Search Results — 2000 specimen records retrieved (1587 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229556  Abronia maritima Geo. B. Grant 1898-4-1 s.n. Los Angeles San Pedro Comment
  CATA199  Abronia maritima Mark L. Hoefs 1973-4-15 178 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  SD90292  Abronia maritima Robert F. Thorne 1970-3-6 39384 Los Angeles Santa Catalina Island; Ben Weston Beach (Mills Landing) 2 Comment
  JEPS76502  Abronia pogonantha L. R. Heckard with Maynard Moe 1977-4-2 4558 Los Angeles about 0.5 mi e of lake bed at s tip Rogers dry lake; Edwards Air Force Base 728 Comment
  NY679457  Abronia umbellata S. B. Parish 10 1881 1155 Los Angeles Near coast. Comment
  SFV16046  Abronia umbellata A. M. Orcino, A. Sutton 1994-4-22 3 Los Angeles Los Angeles Basin Playa del Rey Beach at corner of Pacific Avenue and Convoy Street, 0.1 miles north of Culver Blvd. 1 Comment
  UCR68939  Abronia umbellata Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4251 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UCR197128  Acacia verticillata LeRoy Gross 2007-4-6 2629 Los Angeles Transverse Ranges; Verdugo Mountains, southern front of the range, Wildwood Canyon where the road drains into a debris dam, and parking area for one of the trails that climb to the crest of the range. 499 Comment
  SBBG55754  Acamptopappus sphaerocephalus var. hirtellus D. Keil 1976-12-12 11894 Los Angeles 5 mi W of San Bernardino county line along St Hwy 138 1127 Comment
  CAS-BOT-BC412579  Acanthoscyphus parishii var. parishii F. R. Fosberg; J. A. Ewan 1931-8-12 55461 Los Angeles Buckhorn trail, Islip-Williamson divide, bet. Bear Creek & Big Rock Creek, San Gabriel Mts 2000 Comment
  CAS-BOT-BC331560  Acer macrophyllum Joseph Andorfer Ewan 1932-7-4 7582 Los Angeles Millards Canyon above the falls, San Gabriel Mts. Comment
  RSA127782  Acer macrophyllum Peter H. Raven, Henry J. Thompson 1959-6-4 14352 Los Angeles Santa Monica Mountains. Topanga Canyon, in stream bottom. 1.1 miles north of United States Highway 101A. 91 Comment
  RSA394180  Acer macrophyllum Fordyce Griffiths Jr. 1910-06 1931 Los Angeles Strawberry Ridge, San Gabriel Mountains Comment
  UC586920  Acer macrophyllum Joseph Andorfer Ewan 1934-8-5 8457 Los Angeles Prairie Fork Ranger Station San Gabriel Mts., Prairie Fork Ranger Station 1767 Comment
  UC870076  Acer macrophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6731 Los Angeles bottom of San Dimas Canyon San Dimas Canyon Comment
  CATA230  Achillea millefolium Mark L. Hoefs, A. Douglas Propst 1973-5-4 223 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  RSA660038  Achillea millefolium Mary De Arche 1981-5-8 81 -81 Los Angeles 3.5 mi E on East Fork Road. 793 Comment
  RSA660432  Achnatherum coronatum Orlando Mistretta 1992-6-26 619 Los Angeles Glendora Saddle to Lookout Mountain. On W side of ridge. 1800 Comment
  CAS-BOT-BC260442  Achnatherum hymenoides A. D. E. Elmer 1902-6-1 s.n. Los Angeles Acton Comment
  UC60156  Achnatherum speciosum Dr. A. Davidson Los Angeles Lancaster Comment
  CAS-BOT-BC204775  Acmispon argophyllus var. argenteus Alice Eastwood 1917-7-20 6488 Los Angeles Santa Catalina Island Comment
  UCR143301  Acmispon dendroideus var. dendroideus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Channel Islands, Santa Catalina Island, Catalina Harbor 76 Comment
  LA33632  Acmispon glaber Peter H. Raven; 1959-4-4 13967 Los Angeles SANTA MONICA MOUNTAINS, E of Zuma Beach. 30 Comment
  SD69528  Acmispon grandiflorus var. grandiflorus Robert F. Thorne 1966-4-6 35912 Los Angeles Santa Catalina Island; north slope of Black Jack Mountin, along Airport road on shaly bank. 427 Comment
  SEINET957888  Acmispon procumbens J. H. Barber 1901-1 A- 25 Los Angeles S. E. of Templeton. 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
  SFV1852  Acmispon strigosus P. G. Kilburn 1958-4-11 711 Los Angeles Santa Susana Mountains South slope of Oat Mountain. 579 Comment
  SD31202  Acmispon strigosus Edith A. Purer 1931-3-26 981 Los Angeles Palos Verdes Hills, in grassland on hillside Comment
  SBBG113278  Acourtia microcephala S. A. Junak with M. L. Hoefs 1997-6-4 SCa 416 Los Angeles lower part of small cyn at W end of Empire Landing rock quarry site 36 Comment
  RSA11728  Adenostoma fasciculatum Fay A. MacFadden 1929-6-4 1073 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA708689  Adenostoma fasciculatum Valerie L. Soza, Miriam Sidibeh 2003-3-26 1603 Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  SEINET2442363  Adenostoma fasciculatum Bradley J Kayl, Jon ; Deren ; John 1994-5-12 37 Los Angeles Santa Monica Mtns. Tapia park. Malibu. Comment
  SFV20890  Adenostoma fasciculatum L. Gross, B. Hogshead, V. Soza 2003-5-29 946 Los Angeles Verdugo Mountains West end of Verdugo Mountains at junction (saddle) of Verdugo Motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago). Went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). 564 Comment
  UCD112637  Adenostoma fasciculatum Kenneth A. Wilson 1961-3-1 886 Los Angeles Santa Monica Mtns. Mulholland Hwy about 2 mile west of Las Virgenes Hwy. Comment
  UCR124941  Adenostoma fasciculatum B. C. Templeton 1960-5-14 8446 Los Angeles Western San Gabriel Mtns., Mint Canyon near Solemint 500 Comment
  UCR256249  Adenostoma fasciculatum R. G. Swinney 2010-3-22 12081 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 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
  UC1409133  Adenostoma sparsifolium R. F. Thorne and Larry DeBuhr 1972-8-18 42233 Los Angeles ca. 2 mi. w. Clear Creek Station (near top of steep raodbank where Angeles Crest Hwy. crosses head of canyon, at junction with Angeles Forest Hwy.); San Gabriel Mts., Angeles Nat'l Forest 914 Comment
  RSA610521  Adiantum capillus-veneris L. C. Wheeler 1931-7-26 s.n. Los Angeles West Fork Palmer Canyon, San Gabriel Mts. 762 Comment
  RSA762352  Adiantum capillus-veneris R. G. Swinney 2009-2-26 10036 Los Angeles Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 366 Comment
  UCR137598  Adiantum jordanii R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  UCR182114  Adiantum jordanii R. G. Swinney 1994-5-7 2833 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  RSA709572  Aesculus californica Robert J. Steers 2005-5-8 1 Los Angeles South Coast: Palos Verdes Peninsula: In drainage directly across the street from 445 P.V. Dr. North, Palos Verdes Estates. 55 Comment
  RSA0105047  Ageratina adenophora R. G. Swinney 2011-4-26 14481 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  UCD169271  Ageratina adenophora Louis C. Wheeler 1963-5-5 8256 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. West side ca. 1/2 mile downstream from stone cabin, at public campground. 1775 Comment
  RSA0116319  Agoseris heterophylla A. C. Sanders 2006-4-10 32003 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  RSA748468  Agrostis R. G. Swinney, Cody Clarke 2001-8-22 8082 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  CAS-BOT-BC127232  Agrostis exarata I. M. Johnston 1917-8-23 1634 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River. 2133 Comment
  RSA748326  Agrostis exarata R. G. Swinney 2005-8-9 8411 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  SD247278  Agrostis exarata R. G. Swinney 2008-7-2 9134 Los Angeles San Gabriel Mountains: north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon (Waterman Mountain 7.5'Q) 1939 Comment
  UC589654  Agrostis pallens Nell Murbarger May 1936 230 Los Angeles e slopes San Clemente Island Comment
  UCR206458  Agrostis viridis R. G. Swinney 2008-6-9 8950 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA415245  Albizia lophantha Robert Gustafson 1981-4-14 2171 Los Angeles Ballona Wetlands, area 2 Comment
  RSA453106  Alchemilla occidentalis F. R. Fosberg 1931-3-24 S- 4341 Los Angeles Hamilton Canyon Santa Catalina Island. 75 Comment
  SEINET11266803  Aliciella lottiae David Gowen 2016-5-16 1332 Los Angeles Southeast quadrant of junction of Redman (Ave. E) and 120th St. east.; 0 Comment
  SBBG72630  Allenrolfea occidentalis R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  JEPS47632  Allium burlewii I. M. Johnston 1917-6-20 1490 Los Angeles Baldy Lookout of U.S. Forest Service San Antonio Mountains, Mt. San Antonio, Baldy Lookout 2133 Comment
  RSA587747  Allium fimbriatum var. fimbriatum Timothy S. Ross 1991-4-27 4721 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  UC1339531  Allium lacunosum S. W. Hutchinson 1933-4-24 5546 Los Angeles on the Del Sur road near Palmdale; Mohave Desert, Antelope Valley 813 Comment
  RSA0115708  Allium lacunosum var. davisiae Andrew C. Sanders 2008-4-10 34800 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c.1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  RSA638957  Allium monticola L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  SD21563  Allium praecox N. E. Bilderback 1938-3-16 Los Angeles Avalon, Catalina Island. Comment
  UC450895  Allophyllum divaricatum Fay A. MacFadden 1931-4-10 20 R Los Angeles Tajunga Canyon 426 Comment
  UCR273151  Allophyllum divaricatum R. G. Swinney 2011-5-6 14611 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  SBBG116301  Allophyllum gilioides R. Burgess, P. Munro 2002-5-6 5132 Los Angeles Hungry Valley Rd, 0.2 mi W of Smokey Bear Rd 853 Comment
  RSA410073  Allophyllum glutinosum Fay A. MacFadden 1931-3-10 s.n. Los Angeles Tejunga Canyon. 427 Comment
  RSA410085  Allophyllum glutinosum F. R. Fosberg 1931-4-24 S- 4691 Los Angeles Hamilton Canyon, Santa Catalina Island. 30 Comment
  POM2091  Alnus rhombifolia J. H. Barber 1898-2-22 370 Los Angeles Topanga Canyon Comment
  RSA0092469  Alnus rhombifolia R. G. Swinney 2011-10-27 15911 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
  SBBG72673  Amaranthus albus R. Hoffmann 1927-9-23 Los Angeles near Chandler's cottage, Ridge Route (US Hwy 99) Comment
  UCR149783  Amaranthus albus Scott D. White, Pam Devries 2004-6-14 10496 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  RSA402954  Amaranthus albus Robert Gustafson 1980-8-29 1872 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  SBBG72685  Amaranthus blitoides R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SFV13507  Amaranthus californicus M. H. Grayum, D. L. Koutnik, B. Balch 1977-12-3 916 Los Angeles San Fernando Valley Basin of Chatsworth Reservoir. 244 Comment
  PASA1268  Amaranthus graecizans Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  RSA404558  Amaranthus hybridus L. C. Wheeler 1932-10-7 1422 Los Angeles U. C. L. A. Campus, W Los Angeles. 137 Comment
  UC72608  Amaranthus powellii J. Q. Adams 1905-1 2 Los Angeles Southern California; Soldier's Home Comment
  UC1587202  Amblyopappus pusillus Tim Ross 1991-5-22 5446 Los Angeles ca 5300 ft n of Eel Point ((Spray [Point], w side of island, coastal terrace)); San Clemente Island 9 Comment
  CAS-BOT-BC13491  Amblyopappus pusillus A. J. McClatchie 1893-9-12 s.n. Los Angeles Catalina Comment
  CAS-BOT-BC133199  Ambrosia acanthicarpa Dan S. Cooper 2010-6-13 610 -66 Los Angeles Western Transverse Range; eastern Santa Monica Mtns.: Forest Lawn Drive west of Griffith Park 155 Comment
  SBBG54460  Ambrosia acanthicarpa L. R. Abrams 1930-9-19 12908 Los Angeles Los Angeles Comment
  UCR30452  Ambrosia artemisiifolia O. F. Clarke 1970-8-5 s.n. Los Angeles San Fernando Valley, Northridge, at the home of Judy Owen, 8841 Quakertown Ave. 258 Comment
  SBBG12925  Ambrosia chamissonis E. R. Blakley 1962-6-10 5250 Los Angeles large beach dunes near Wall 2 20 Comment
  RSA150972  Ambrosia chamissonis Peter H. Raven 1962-4-11 17265 Los Angeles Due west of Wall 2; San Clemente Island 6 Comment
  RSA416932  Ambrosia chamissonis I. M. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  SBBG61678  Ambrosia dumosa J. R. and R. C. Robbins 1930-3-29 Los Angeles Antelope Valley Comment
  SBBG132336  Ambrosia psilostachya J. Shute, K. Merrill 2011-9-2 11 -60 Los Angeles ditch at edge of MIR fire site Comment
  LA91098  Ambrosia psilostachya T. A. Geissman; October 1969 TAG 101068 APMC Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Comment
  RSA0110574  Ambrosia salsola Richard G. Swinney 2011-4-19 14407 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
  UCR19475  Ambrosia trifida John C. Roos 1937-9-7 s.n. Los Angeles San Fernando Valley, North Hollywood Comment
  JEPS45150 Image available Amelanchier utahensis Frank W. Peirson 1919-6-14 471 Los Angeles along s side Head of Rock Creek; San Gabriel Mts. 2011 Comment
  UCR150542  Amelanchier utahensis R. G. Swinney 1999-6-21 7386 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  SDSU233  Amorpha californica J. Godsil 1953-5-17 608 Los Angeles Oak flat guard station, US 99 823 Comment
Read comments
Nov 10 2008
  RSA226494  Amorpha californica var. californica C. W. Tilforth 1971-6-6 383 Los Angeles Johnson's Pastures, hills N of Claraboya, Claremont. Comment
  SFV18454  Amorpha californica var. californica I. P. Swift 2001-5-25 152 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area, Walker Ranch section. 564 Comment
  RSA166081  Amsinckia intermedia E. R. Blakley 1963-12-8 6411 Los Angeles San Clemente Island, between Northwest Harbor and Whale Point. 15 Comment
  UC1922007  Amsinckia menziesii Scott D. White, Pam DeVries 2006-5-9 11405 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Comment
  RSA0089902  Amsinckia menziesii var. menziesii T. S. Ross, J. Mark Porter 1995-5-4 8498 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  SBBG96685  Amsinckia spectabilis S. Boyd 1990-4-7 4274 Los Angeles lower half of China Cyn, W side at cyn mouth Comment
  POM368387  Amsinckia tessellata Ora M. Clark 1929-3-30 1918 Los Angeles W of Lancaster Comment
  SBBG63560  Amsinckia tessellata R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  UCR123811  Amsinckia tessellata Steven R. Hill, K. Kramer 2001-4-22 33338 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  RSA587757  Amsinckia tessellata Tim Ross 1991-4-27 4620 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking S to SSW). ca 0.25- 0.3 miles W of the county line. 1183 Comment
  RSA0030943  Anagallis arvensis M. A. Savatgy 1966-5-10 s.n. Los Angeles San Raphael Hills. 213 Comment
  RSA0073129  Anagallis arvensis Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 28 Los Angeles Santa Catalina Island. Deer Valley Trail. 62 Comment
  RSA650589  Anagallis arvensis P. A. Hall 1948-5-5 s.n. Los Angeles Found in open area at the mayo Nursery, on Glendora Road, 1/2 mi. So. of Hwy #66. 244 Comment
  UCR125948  Anemopsis californica A. C. Sanders, Mark Elvin 2002-6-19 25172 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA747735  Anthriscus caucalis Scott D. White, J. Wood, J. Miner 2009-5-12 12697 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  RSA0091497  Antirrhinum coulterianum R. G. Swinney 2010-6-29 13372 B Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  RSA425829A  Antirrhinum coulterianum Albert J. Perkins 1920-2-16 s.n. Los Angeles Glendora, Little Dalton Trail Comment
  UCR230272  Antirrhinum coulterianum Dan S. Cooper 2011-4-26 411- 7 Los Angeles Los Angeles Basin/San Gabriel Mtns. Foothills, Sunland, Big Tujunga Wash, between 210 Fwy and Foothill Blvd. 358 Comment
  RSA710700  Antirrhinum kelloggii Valerie L. Soza, Susan Caplow 2003-4-11 1631 Los Angeles Brand Park vicinity, upper Brand Canyon, alongside Brand Park Mtwy. 549 Comment
  CATA2975  Antirrhinum nuttallianum Peter J. Dixon 2015-2-17 003 Los Angeles Santa Catalina Island: Ben Weston Ridge Rd. near feral animal removal fence gate. 60 m West of Middle Ranch Rd. 137 Comment
  POM354882  Antirrhinum nuttallianum subsp. subsessile Anstruther Davidson 1891-6-25 s.n. Los Angeles Santa Catalina Island, sea coast. Comment
  RSA287994  Antirrhinum nuttallianum subsp. subsessile C. W. Tilforth, John Dourley, Walter Wisura 1978-4-5 1593 Los Angeles Base of bluffs at Point Dume. west of Malibu Comment
  RSA604397  Antirrhinum nuttallianum subsp. subsessile Sara L. Crockett 1997-4-1 633 Los Angeles Santa Catalina Island. 0.3 miles WNW on Two Harbors Road from jct. with upper road leading into Little Harbor CG; old road leading to power poles on N side of road. 46 Comment
  SBBG13513  Antirrhinum nuttallianum subsp. subsessile P. H. Raven 1962-5-20 17779 Los Angeles near Bird Park, Avalon Comment
  RSA470381  Apiastrum angustifolium Geo L. Moxley 1915-4-14 307 Los Angeles Ridge SW of Museum Hill. Comment
  RSA726023  Apiastrum angustifolium A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26123 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  SBBG94255  Apiastrum angustifolium C. B. Wolf 1932-5-12 3585 Los Angeles 1.5 mi from Little Harbor on rd to isthmus 91 Comment
  POM133225  Apiastrum angustifolium C. F. Baker 1907-5-5 4771 Los Angeles Claremont. Comment
  CDA5332  Apium graveolens T. C. Fuller 1961-5-11 7264 Los Angeles Northeast of Lemon Avenue & Vejar Road, Walnut. 0 Comment
  RSA3488  Apteria aphylla Carl B. Wolf 1932-5-9 3431 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  RSA482630  Arabis pulchra Anstruther Davidson 1893-5-12 s.n. Los Angeles Del Sur. Comment
Read comments
Jan 26 2011
  UCR203194  Arabis pulchra R. G. Swinney 2005-5-21 8260 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
Read comments
Jul 7 2020
  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
  RSA578196  Arceuthobium occidentale Tim S. Ross, Steve D. Boyd 1994-9-21 8320 Los Angeles Sandberg: low, rounded knoll ca 150-260 m SW of town 1280 Comment
  RSA213364  Arctostaphylos catalinae Reid V. Moran 1941-2-28 651 Los Angeles Head of Johnson's Canyon, Santa Catalina Island. 400 Comment
  RSA626714  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20207 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626788  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20186 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626731  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22106 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA0098606  Arctostaphylos glandulosa subsp. glandulosa R. G. Swinney 2011-6-14 15134 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA70850  Arctostaphylos glandulosa subsp. mollis F. W. Peirson 1920-5-9 142 Los Angeles east trail to Mt. Lowe 1341 Comment
  IRVC29005  Arctostaphylos glauca A. C. Sanders, Mark Elvin 2002-6-25 25274 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 366 Comment
  RSA48475  Arctostaphylos glauca F. W. Peirson 1924-12-5 5383 Los Angeles Little Santa Anita Trail 915 Comment
  RSA631410  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15701 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA631427  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20503 Los Angeles Chilao Campground. 1600 Comment
  RSA631499  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15838 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631671  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20489 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA0087360  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15750 Los Angeles Santa Clara Divide Rd. (3N17), 2 km off Sand Canyon Rd., San Gabriel Mountains. 900 Comment
  RSA128277  Arctostaphylos glauca var. glauca H. J. Thompson 1959-3-27 1883 Los Angeles Santa Monica Mountains: 0.5 mile east of peak, Saddle Peak, 701 Comment
  RSA634734  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20430 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA634847  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20540 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634857  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20571 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634933  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20254 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  CAS-BOT-BC44840  Arctostaphylos pungens Vernon O. Bailey 1907-9-3 s.n. Los Angeles San Gabriel Mts. - East base of San Antonio Peak 1828 Comment
  UCR129659  Arenaria douglasii F. R. Fosberg 1931-4-29 S- 04721 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  POM122870  Arenaria serpyllifolia Marcus E. Jones 1926-6-19 s.n. Los Angeles Claremont. 365 Comment
  RSA0057890  Argemone munita Richard G. Swinney 2010-9-7 13683 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA778746  Argemone munita Orlando Mistretta, Christine Mistretta 2010-6-3 5248 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  CAS-BOT-BC401706  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-5-29 2121 Los Angeles San Francisquito Canyon, 8.8 miles n. of Saugus Comment
  RSA249731  Aristida adscensionis var. modesta R. F. Thorne, M. Z. Thorne 1973-2-12 42473 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman's Cove. 46 Comment
  SEINET3127927  Aristida divaricata G. B. Grant 1905-4-2 66 -6459 Los Angeles Altadena Comment
  POM50226  Artemisia californica L. W. Nuttall 1920-12-27 992 Los Angeles Rock Spring Canyon, Santa Catalina Island Comment
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Jun 9 2014
  POM6576  Artemisia californica L. R. Abrams 1916-10-31 6374 Los Angeles Cahuenga Pass Comment
  RSA0068439  Artemisia californica R. G. Swinney 2010-8-16 13556 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  SDSU6168  Artemisia californica A. H. Gallup 1948-1-17 97 Los Angeles On foothill blvd. east of Claremont 1/2 mile. 366 Comment
  UC1281270  Artemisia californica H. E. McMinn 1924-7-25 1299 Los Angeles Catalina Island Comment
  UC750621  Artemisia californica Lewis S. Rose 1946-12-20 46294 Los Angeles Malibu 9 Comment
  UCR133744  Artemisia californica F. R. Fosberg 1931-12-10 7149 Los Angeles Channel Islands, Avalon, Public Utilities Canyon, Santa Catalina Island 50 Comment
  UCR209942  Artemisia douglasiana R. G. Swinney 2008-10-16 9593 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  RSA762881  Artemisia dracunculus R. G. Swinney 2008-10-10 9576 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA417317  Artemisia dracunculus B. C. Templeton 1932-8-26 5091 Los Angeles West Blue Ridge, Big Pines Park. San Gabriel Mountains 2195 Comment
  RSA417320  Artemisia dracunculus G. J. Hollenberg 1928-7-24 s.n. Los Angeles Near El Segundo. Comment
  RSA48849  Artemisia tridentata subsp. parishii J. C. Roos 1949-11-27 4704 Los Angeles Flats 4 miles east of Palmdale. 823 Comment
  JEPS36970  Artemisia tridentata subsp. tridentata W. L. Jepson 1920-5-3 8936 Los Angeles Mts. above Castaic Creek ((Ridge Route)) 975 Comment
  UC1587610  Artemisia tridentata subsp. tridentata Tim Ross 1991-8-14 5781 Los Angeles summit Roundtop Mountain; San Gabriel Mountains, Chilao Flat Quadrangle, Roundtop Moun 1920 Comment
  SFV18748  Arthrocnemum subterminale J. N. Hogue 2003-10-11 208 .2 Los Angeles Mojave Desert Antelope Valley, Lancaster. Intersection of Ave. I and 60th Street West. 716 Comment
  RSA0059642  Arthrocnemum subterminale Robert Gustafson 1980-8-29 1891 Los Angeles Ballona Wetlands, Area 1. Confined to the western part of Area 1. Comment
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Jul 2 2020
  UCSB4941  Asclepias fascicularis Haller, John 1960-7-22 Los Angeles North side of Calif. 138, 0.6 miles east of U.S 99, 1.5 miles east of Gorman 1127 Comment
  POM8494  Aspidotis californica P. A. Munz, R. D. Harwood 1920-4-21 3713 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA225896A  Aspidotis californica R. F. Thorne, A. C. Gibson 1971-5-22 39767 Los Angeles San Gabriel Mts., Angeles National Forest: upper Fish Canyon near Falls 396 Comment
  POM4788  Aster lanceolatus subsp. hesperius I. M. Johnston 1917-8-20 s.n. Los Angeles Camp Baldy. 1280 Comment
  UCR219929  Aster subulatus R. G. Swinney 2009-4-17 10386 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  RSA562926  Aster subulatus var. ligulatus D. Charlton 1992-08 s.n. Los Angeles S base water well field, 1/2 mile N of water tower, Edwards 732 Comment
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Sep 1 2016
  RSA725762  Astragalus didymocarpus A. C. Sanders 2003-5-1 26259 Los Angeles Western San Gabriel Mtns.: SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property. 396 Comment
  UC635653  Astragalus didymocarpus H. L. Mason 1926-4-26 2963 Los Angeles four mi w Saugus; w of Saugus Comment
  CAS-BOT-BC182302  Astragalus didymocarpus var. didymocarpus Ralph Hoffmann 1932-4-27 s.n. Los Angeles 5 miles n. of Lancaster Comment
  RSA498266  Astragalus douglasii var. douglasii Geo C. Johnstone 1928-4-28 s.n. Los Angeles Canyon N of Big Pines. Comment
  UCR109028  Astragalus gambelianus L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  RSA112062  Astragalus lentiginosus var. albifolius H. D. Ripley, R. C. Barneby 1944-3-16 5859 Los Angeles North of Lancaster. 716 Comment
  UCR124718  Astragalus lentiginosus var. antonius B. C. Templeton 1933-6-15 5138 Los Angeles San Gabriel Mtns., East Blue Ridge, Big Pines Park, Angeles National Forest 2195 Comment
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Jul 7 2009
  RSA415606  Astragalus miguelensis M. B. Dunkle 1939-4-5 7267 Los Angeles China Point, San Clemente Island Comment
  UCR180561  Astragalus purshii var. tinctus Scott D. White, Pam Devries 2006-5-10 11428 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  SBBG117938  Astragalus trichopodus var. lonchus M. E. Jones 1903-5-15 Los Angeles Santa Catalina Island 30 Comment
  RSA415739  Astragalus trichopodus var. lonchus E. A. Purer, Freda Detmers 1931-3-19 s.n Los Angeles Los Angeles; along Manchester Ave near Vermont Comment
  SBBG13726  Astragalus trichopodus var. lonchus P. H. Raven 1962-5-20 17794 Los Angeles Middle Cyn 2.9 mi above the Ranch 243 Comment
  POM187626  Astragalus trichopodus var. phoxus Joseph A. Ewan 1930-5-17 5502 Los Angeles Pico Canyon above Newhall. 457 Comment
  RSA737476  Atriplex R. E. Riefner 2006-7-8 6 -288 Los Angeles City of Malibu, Malibu Lagoon at Pacific Coast Hwy. 10 Comment
  SFV21955  Atriplex amnicola L. H. Garcia 2011-5-8 s. n. Los Angeles Malibu Lagoon. 5 Comment
  POM184071  Atriplex argentea P. A. Munz 1932-8-31 12812 Los Angeles Back beach, Playa del Rey. Comment
  SD124382  Atriplex argentea var. expansa F. C. Boutin 1967-4-23 1622 Los Angeles San Clemente Island; north end of island between Northwest Harbor and airstrip. Comment
  LA30868  Atriplex californica Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 c 160 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA774235  Atriplex confertifolia R. G. Swinney 2009-5-5 10637 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UC221402  Atriplex confertifolia H. M. Hall 1922-12-6 11842 Los Angeles Oban to Lancaster (Antelope Valley); , Oban to Lancaster Comment
  SD69367  Atriplex coulteri Robert F. Thorne, P. Everett 1965-5-11 34645 Los Angeles Santa Catalina Island; along road from Rancho Escondido above Cottonwood Dam in Cottonwood Canyon. 105 Comment
  CAS-BOT-BC170114  Atriplex lentiformis Peter H. Raven; Henry J. Thompson 1959-9-6 14384 Los Angeles Mouth of Malibu Creek, Santa Monica Mountains 12 Comment
  RSA587181  Atriplex lentiformis Scott D. White 1995-12-5 3759 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  SEINET4135195  Atriplex lentiformis Grant D. Brown 1950-11-24 568 Los Angeles Base of Palisades bet. Wilshire and California Ave. in Santa Monica.; 0 8 Comment
  UC56784  Atriplex lentiformis Ernest Braunton Oct 1902 710 Los Angeles Ballona Ballona (shore of lagoon) Comment
  SBBG12207  Atriplex leucophylla P. H. Raven 1962-7-12 18032 Los Angeles Northwest Harbor 9 Comment
  UC56776  Atriplex leucophylla Ernest Braunton Oct 1902 711 Los Angeles Ballona Ballona (on beach) Comment
  UC850845  Atriplex leucophylla Ezra C. Knopf 189 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC180946  Atriplex nummularia Carl B. Wolf 1931-12-30 2636 Los Angeles Playa del Rey 30 Comment
  RSA188196  Atriplex semibaccata R. F. Thorne, P. Everett 1965-6-23 s.n. Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. Comment
  RSA478404  Atriplex semibaccata F. R. Fosberg 1931-4-10 S 4569 Los Angeles Santa Catalina Island. Hamilton Beach. 2 Comment
  SBBG98680  Atriplex semibaccata T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5064 Los Angeles lower Wilson Cove Cyn; draw SW of and above pier operations 15 Comment
  RSA478426  Atriplex serenana Anonymous 1925-9-19 s.n. Los Angeles Catalina [Island]. Comment
  RSA385377  Avena barbata F. R. Fosberg 1931-3-18 S- 4298 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 10 Comment
  IRVC26424  Avena barbata A. C. Sanders, Mark Elvin 2003-3-5 25733 Los Angeles Newhall Ranch, "Exon Mesa," due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA649002  Avena fatua Scott Lowe 1991-4-20 10 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  UC1109342  Avena fatua Peter H. Raven 1962-4-9 17133 Los Angeles Wilson Cove San Clemente Island (near barracks) 60 Comment
  RSA385413  Avena sativa F. R. Fosberg 1931-3-31 S- 4425 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA694978  Azolla filiculoides Freda Detmers 1928-10-17 s.n. Los Angeles Verdugo Woodlands. Comment
  UC56663  Azolla filiculoides Ernest Braunton July 1902 572 Los Angeles L. A. River Comment
  IRVC4809  Baccharis glutinosa Carl Epling, Lincoln Ellison 1929-4-27 Los Angeles Topango [sic] Canyon. Santa Monica Mountains Comment
  SBBG89721  Baccharis glutinosa M. B. Dunkle 1928-10-7 1993 Los Angeles Middle Ranch Gorge Comment
  NY39303  Baccharis malibuensis R. M. Beauchamp 1991-8-26 s.n. Los Angeles Santa Monica Mountains; Stokes Canyon, on south-facing slope 213.4 Comment
  RSA0008313  Baccharis malibuensis Carl Wishner 2000-10-13 3950 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot. 58 Comment
  RSA579279  Baccharis pilularis Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7422 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  RSA608054  Baccharis salicifolia L. C. Wheeler 1931-2-7 s.n. Los Angeles Base of San Gabriel Mountains: San Dimas Wash Comment
  SBBG31372  Baccharis salicifolia R. F. Thorne with P. C. Everett 1965-5-11 34657 Los Angeles above pond behind Cottonwood Dam in Cottonwood Cyn 45 Comment
  RSA93198  Baccharis salicifolia F. W. Peirson 1925-4-23 5802 Los Angeles Forks of San Gabriel River. 534 Comment
  LA51492  Barbarea orthoceras O. H. Kappler; 1944-5-21 627 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido 228 Comment
  RSA703252  Batis maritima R. E. Riefner Jr. 2004-4-20 4 -138 Los Angeles City of Long Beach, Middle Harbor area of San Gabriel River, West of Westminster Ave. 12 Comment
  UC2030085  Berberis nevinii Valerie Soza, Carol Bruscha, Ron Bruscha, Bart O'Brien, G. D. Wallace, Steve Young 2000-11-16 1060 Los Angeles SANTA MONICA MOUNTAINS: Griffith park at water tank 113, N of Mt. Hollywood, Del Valle Drive. Comment
  SD233721  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25294 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. Comment
  CAS-BOT-BC102043  Bidens laevis F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles river bottom. Near Los Angeles Comment
  UC2029998  Bituminaria bituminosa Valerie Soza, LeRoy Gross 2001-4-18 1140 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, between Little Santa Anita and Santa Anita Canyons, north side of Santa Anita Canyon Road. Comment
  UCR178932  Bloomeria crocea R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., in and Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill firebreak 488 Comment
  RSA652078  Bloomeria crocea K. M. Kosak 1961-5-17 sn Los Angeles San Dimas: hillside near Puddingstone Dam. Comment
  RSA656675  Bloomeria crocea G. Pitto 1980-6-8 49 Los Angeles At base of trail, south end of Hinderberg Park [Crescenta Valley Park] bottom of Dunsmore Ave. La Crescenta. 518 Comment
  SBBG72277  Boechera arcuata R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  CAS-BOT-BC16084  Boechera californica R. C. Foster 1937-4-3 149 Los Angeles Mouth of Evey Canyon, foothills of San Gabriel Mountains, northeast of Claremont. Comment
  JEPS85801  Boechera sparsiflora Roy E. Buck 1989-6-23 1347 Los Angeles ca 0.1 air km nnw Icy Springs (26 air km nnw of Glendora, just e of ruins of old stone house, lowermost ne-facing slope of canyon of upper Big Rock Creek); San Gabriel Mountains, Big Rock Creek 1737 Comment
  CATA3503  Bothriochloa barbinodis Julia Parish, Olivia Reda 2017-8-29 034 Los Angeles Santa Catalina Island: Avalon; Baker's Dam on Falls Canyon Road by water tanks 110 Comment
  UC284129  Bowlesia incana P. A. Munz 1923-4-9 6643 Los Angeles e coast of San Clemente Island San Clemente Island Comment
  POM19218  Bowlesia incana P. A. Munz 1923-4-9 6643 Los Angeles San Clemente Island. Comment
  UCR194256  Boykinia rotundifolia R. G. Swinney 1998-8-5 6662 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  CAS-BOT-BC100421  Brickellia californica F. Grinnell Jr. 1917-9-2 s.n. Los Angeles Pine Flat near Mt. Islip, San Gabriel Mountains Comment
  RSA703516  Brickellia nevinii Michael Honer 2004-6-22 2010 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  UC188690  Brodiaea terrestris subsp. kernensis Samuel B. Parish April, 1887 1931 Los Angeles Elizabeth Lake 1066 Comment
  RSA600198  Bromus arenarius Steve Boyd, Lauren Raz 1997-5-29 9912 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  CAS-BOT-BC149409  Bromus berteroanus Ernest C. Twisselmann 1962-4-10 6850 Los Angeles Mojave Desert. Antelope Valley. Avenue A 2.8 miles west of Highway 6. 670 Comment
  RSA679049  Bromus berteroanus Valerie L. Soza, LeRoy Gross 2002-5-8 1455 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  RSA774749  Bromus carinatus R. G. Swinney 2009-6-17 11162 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  SD132494  Bromus carinatus Andrew C. Sanders 1988-2-18 7692 Los Angeles El Segundo Dunes; W of L.A. Intl. Airport between Pershing Dr and Vista Del Mar Blvd; on sandy flats behind the beach 4 Comment
  RSA0095250  Bromus carinatus var. carinatus R. G. Swinney 2011-6-20 15226 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  SEINET943635  Bromus carinatus var. carinatus Louis C. Wheeler 1970-1 s.n. Los Angeles Los Angeles, Lyon and Vignes St. Comment
  UC1595279  Bromus carinatus var. carinatus Tim Ross 1992-5-17 6385 Los Angeles about 145 m sse of mouth of Shoemaker Canyon (e fork of San Gabriel River); San Gabriel Mountains, San Gabriel River Comment
  RSA656418  Bromus diandrus Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 674 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  RSA0041495  Bromus diandrus Ron Martinolich 1991-5-3 54 Los Angeles Glendale, Flint Peak access road, 0.5 mi. west of water tower, off road to southwest along old, overgrown road cut, up gully to west. 10 Comment
  CAS-BOT-BC155588  Bromus grandis G. B. Grant 1902-5-10 s.n. Los Angeles Arcadia. Comment
  RSA660259  Bromus grandis Orlando Mistretta, Peter L. Morrell 1992-6-4 507 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA650442  Bromus hordeaceus Marion P. Harthill 1972-4-8 656 Los Angeles [San Gabriel Mountains] Azuza Canyon, Angeles National Forest 457 Comment
  SBBG95250  Bromus hordeaceus M. B. Dunkle 1928-4-10 1842 Los Angeles above Parson's Landing Comment
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Mar 14 2012
  UC2052836  Bromus hordeaceus M. B. Dunkle 1939-4-4 7254 Los Angeles San Clemente Island, Pyramid Cove. Comment
  LA33367  Bromus madritensis subsp. rubens Peter H. Raven; Henry J. Thompson 1959-5-5 14107 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  RSA602317  Bromus pseudolaevipes Steve Boyd, Lauren Raz 1997-6-17 9943 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit., Near 34? 41' 19.3''N 118? 34' 28.3''W. 1597 Comment
  RSA604199  Bromus rubens L. C. Wheeler 1972-5-21 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just inside National Forest Boundary. Comment
  RSA628954  Bromus rubens L. C. Wheeler 1968-4-26 s.n. Los Angeles Saddle immediately east of Magic Mountain Comment
  RSA639185  Bromus rubens L. C. Wheeler 1967-5-15 9552 Los Angeles San Gabriel Mountains: Fremont Pass, north side. 541 Comment
  RSA657470  Bromus rubens J. Totino 1976-4-22 15 Los Angeles Verdugo Mountains Region: Backyard on slope, 2776 Valley Vista Road [Valley View Road], Glendale. Feet. Comment
  SBBG95278  Bromus rubens M. B. Dunkle 1928-4-29 1917 Los Angeles Little Harbor Comment
  RSA0041496  Bromus rubens Ron Martinolich 1991-5-3 51 Los Angeles Glendale, Flint Peak access road, .5 mi. west of water tower, off road to southwest along old, overgrown road cut. 30 Comment
  RSA639173  Bromus sterilis L. C. Wheeler 1967-7-6 9929 Los Angeles San Gabriel Mountains: San Dimas Canyon 488 Comment
  UC167148  Bromus trinii Geo. B. Grant 1905-4-15 123 Los Angeles Pasadena; Southern California, Pasadena Comment
  CDA5375  Buddleja saligna T. C. Fuller 1966-9-27 15215 Los Angeles Adjacent to power sub-station, east side of Rambla Pacifico Road, Santa Monica Mountains, 0.3 mile north of Malibu Sea Lion, Malibu. 0 Comment
  SBBG31542  Cakile maritima R. M. Beauchamp 1967-3-19 324 Los Angeles West Cove Comment
  SD255841  Calandrinia breweri R. G. Swinney 2010-3-22 12004 Los Angeles San Gabriel Mountains: West Fork Kagel Canyon, 0.5 miles west of Kagel Canyon Rd, along Lopez Rd, 10-100 meters east of Lopez Rd (San Fernando 7.5'Q) 164 Comment
  RSA675963  Calandrinia ciliata LeRoy Gross 2003-3-9 807 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. 354 Comment
  RSA0038449  Calandrinia ciliata var. menziesii Carol Haines 1964-4-16 s.n. Los Angeles Robinson Road, Topanga, Santa Monica Mountains. 304 Comment
  RSA352848  Calocedrus decurrens L. E. Hoffman 1932-8-14 s.n. Los Angeles Crystal Lake, Angeles National Forest. Comment
  UC1211141  Calocedrus decurrens Huron H. Smith 1912-4-30 4854 Los Angeles top of Mt. Wilson 2037 Comment
  UCD139456  Calochortus albus J. E. Law 1923-5-22 252 Los Angeles Eaton Canyon trail, over Oak Flat. Comment
  CAS-BOT-BC487474  Calochortus albus R. C. Foster 1937-6-6 344 Los Angeles Cobal Canon (foothills of San Gabriel Mts.), north of Claremont. Comment
  LA22341  Calochortus catalinae LeRoy Abrams; 1903-3-14 3143 Los Angeles San Pedro Hills Comment
  SEINET4169778  Calochortus catalinae B. C. Templeton 1939-4-19 Los Angeles Huntington Palisades Comment
  LA82370  Calochortus clavatus O. H. Kappler; 1940-5-31 37 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC3398  Calochortus invenustus J. H. Barber 1897-7-11 253 Los Angeles Summit Mt. San Gabriel Range Comment
  POM123266  Calochortus plummerae H. E. Hasse 1890-06 s.n. Los Angeles Foothills, Sierra Santa Monica [Santa Monica Mountains]. Comment
  RSA647873  Calochortus plummerae LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 233 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 533 Comment
  UCR187095  Calochortus venustus A. C. Sanders 2006-5-16 32297 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA763233  Calycoseris parryi Justin M. Wood 2010-5-10 1571 Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  SBBG1919  Calyptridium monandrum H. and M. Dearing 1935-4-13 223 Los Angeles Bouquet Cyn, near Palmdale Comment
  UCR86823  Calystegia macrostegia Scott D. White 1995-4-27 2970 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
  SD52944  Calystegia macrostegia Peter H. Raven 1962-4-9 17143 Los Angeles San Clemente Island; grassy slopes near barracks, Wilson Cove. 60 Comment
  RSA422196  Calystegia macrostegia subsp. amplissima F. H. Elmore 1939-2-18 396 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC215762  Calystegia macrostegia subsp. arida P. A. Munz 1918-5-16 2241 Los Angeles Claremont Comment
  RSA653772  Calystegia macrostegia subsp. arida J. Bogdanoff-Lord 1989-5-21 18 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
  LA105361  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 1989-4-23 8457 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 518 Comment
  RSA394899  Calystegia macrostegia subsp. intermedia Fay A. MacFadden 1931-4-1 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  CHSC70113  Calystegia occidentalis subsp. fulcrata Robert A. Schlising 1971-7-8 2993 Los Angeles Barley Flats, near Co. Camp No. 18, off Angeles Crest Highway (Hwy 2). Comment
  RSA574329  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1994-6-20 2955 Los Angeles South Fork Lytle Creek 1000 Comment
  RSA298500  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1919-6-14 497 Los Angeles Rock Creek. 1905 Comment
  UCR108419  Calystegia peirsonii Scott D. White, Pam DeVries 1998-5-15 6501 Los Angeles San Gabriel Mtns., Soledad Canyon area: proposed quarry area north of Soledad Canyon Rd, south of I-14 freeway, east of Bee Canyon and west of Agua Dulce Canyon 823 Comment
  RSA545314  Calystegia purpurata Tim Ross, Mathew Bell, A. R. Ross 1992-3-22 6050 Los Angeles W side of Yerba Buena Road ca 360m NNW of intersection with Mulholland Highway. 488 Comment
  CAS-BOT-BC168152  Camissonia bistorta A. C. Sanders 2003-5-22 26825 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
  RSA0110842  Camissonia californica R. G. Swinney 2011-4-26 14515 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA244397  Camissonia californica Robin S. Collins 1973-4-9 229 Los Angeles San Gabriel Mountains, Angeles National Forest, Trail Canyon, near trail ca. 1/2 mile from its start. 609 Comment
  JEPS33758  Camissonia campestris W. L. Jepson 1935-4-17 17035 Los Angeles Lancaster w. Mohave Desert 716 Comment
  RSA454721  Camissonia campestris subsp. campestris Gale Sphon 1955-4-16 s.n. Los Angeles Gorman; junction of highways 99 and 138. Comment
  CLARK-A1528-3325  Camissonia cheiranthifolia Alfred R. Roos 1956-5-22 Los Angeles 9 Comment
  POM3222  Camissonia claviformis subsp. claviformis Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA598936  Camissonia graciliflora Steve Boyd, T. S. Ross 1997-3-21 9195 A Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA600032  Camissonia graciliflora Steve Boyd, Lauren Raz 1997-3-25 9252 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA186682  Camissonia guadalupensis subsp. clementina Peter H. Raven 1964-4-18 18772 Los Angeles San Clemente Island, Raven 17628 X Guadalupe Island, Moran & Ernst 6737 (Progenies) Comment
  POM175376  Camissonia hirtella West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles Near Pine Flats, North Fork--San Gabriel Canyon. Comment
  UCR58281  Camissonia hirtella Dolores A. Davidson 1976-6-3 169 Los Angeles Graphite Canyon in Angeles National Forest; road to Lake Hughes from Lake Cataic 762 Comment
  POM49723  Camissonia micrantha L. R. Abrams 1901-4-6 1390 Los Angeles Big Tujunga Wash Comment
  UCR222755  Camissonia pallida R. G. Swinney 2009-4-29 10562 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCR270164  Camissonia pallida R. G. Swinney 2011-4-20 14425 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  RSA144893  Camissonia pallida subsp. pallida E. G. Linsley 1960-5-6 60 -57 Los Angeles Mojave Desert, 18 miles W of Lancaster Comment
  UCR271577  Camissonia strigulosa R. G. Swinney 2011-6-23 15288 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  SFV2540  Camissoniopsis cheiranthifolia P. G. Kilburn 1958-10-18 878 Los Angeles Zuma Beach. 3 Comment
  CAS-BOT-BC160441  Camissoniopsis cheiranthifolia subsp. suffruticosa H. Wedberg 1957-3-24 9 Los Angeles On the beach at intersection of Birdview Drive x Westward Beach Road, Point Dume Comment
  CAS-BOT-BC160436  Camissoniopsis cheiranthifolia subsp. suffruticosa Julia A. Bettys 1929-5-20 s.n. Los Angeles Manhattan Beach, Los Angeles Comment
  CAS-BOT-BC160514  Camissoniopsis guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17301 Los Angeles San Clemente Island. Beach behind Northwest Harbor 6 Comment
  CATA3037  Camissoniopsis intermedia Amy Catalano 2016-3-18 044 Los Angeles Santa Catalina Island: On west side ca. 0.5 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road 308 Comment
  JEPS31580  Camissoniopsis pallida subsp. pallida Frank W. Peirson 1919-6-14 478 Los Angeles Rock Creek San Gabriel Mountains 1524 Comment
  UC9909  Canbya candida Dr. A. Davidson May 1895 Los Angeles Mohave Desert Comment
  RSA658633  Capsella bursa-pastoris R. W. Hufstader 1971-3-22 36 Los Angeles Collected at Puddingstone Resevoir. Off San Dimas Rd. at entrance to resevoir. 213 Comment
  UC10415  Cardamine californica J. H. Barber 1897-3-21 80 Los Angeles Sepulveda Canyon Sepulveda Canyon (Southern California) Comment
  POM369323  Cardamine californica var. californica Martha Hilend 1928-2-9 42 Los Angeles Big Santa Anita Canyon. Comment
  UCR190257  Cardamine oligosperma R. G. Swinney 2000-5-21 7780 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UCR131384  Cardamine pensylvanica Alison Lipman 1998-8-17 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  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
  RSA772200  Carex R. G. Swinney 2009-5-27 10874 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
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Sep 12 2018
  POM21251  Carex alma Phillip A. Munz 1923-5-25 6809 Los Angeles Big Rock Creek, San Gabriel Mts. Wash among willows. 1280 Comment
  RSA802568  Carex alma Orlando Mistretta, Christine Mistretta 2011-7-1 5885 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA667894  Carex globosa Michael Denslow, Samantha Tessel 2002-6-4 690 Los Angeles Upper Rincon Red Box Road, 1372 Comment
  SD90320  Carex heteroneura R. F. Thorne, M. Z. Thorne 1969-7-10 38366 Los Angeles San Gabriel Mountains; Angeles National Forest; bottom of cold, snow-melt gully, northwest facing slope near Lodgepole Picnic Ground; ca. 1.5 miles southeast of Dawson Saddle along Angeles Crest Highway. 2316 Comment
  CAS-BOT-BC32083  Carex multicaulis George B. Grant 1906-6-17 138 Los Angeles Summit Mt. Wilson 1828 Comment
  RSA729923  Carex multicaulis R. G. Swinney 1999-7-5 7528 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  UC1109364  Carex praegracilis Peter H. Raven 1962-7-11 18005 Los Angeles upper reaches of first canyon s Lemon Tank; San Clemente Island Comment
  RSA0013640  Carex schottii Orlando Mistretta, Youssef Atallah 2011-8-16 6039 Los Angeles Aliso Canyon near junction of Aliso Canyon Road and Angeles Forest Highway. 1259 Comment
  RSA724713  Carex senta K. Dobry 1991-3-15 425 -a Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  RSA682298  Carex spissa R. E. Riefner 2000-8-29 Los Angeles La Tuna Canyon, Santa Monica Mountains. Conservency Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  SEINET10625715  Carica papaya Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3769 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA250619  Castilleja affinis subsp. affinis Robert F. Thorne 1971-4-2 41407 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  RSA425905  Castilleja affinis subsp. affinis Edwin Kline 1923-4-2 s.n. Los Angeles San Gabriel Canyon. Comment
  POM50171  Castilleja applegatei subsp. martinii L. R. Abrams 1901-4-13 1510 Los Angeles Wilsons Peak Trail. Comment
  RSA706667  Castilleja applegatei subsp. martinii Naomi S. Fraga, Paul Morton 2004-5-19 1191 Los Angeles Trail (7W02) to Baldy from San Antonio Falls Road. 2104 Comment
  UC1561386  Castilleja applegatei subsp. martinii Barbara Ertter with Teresa Sholars and David Thompson 1987-5-24 6976 Los Angeles ca 5 air mi wnw Wrightwood (Hwy 2 between Blue Ridge and Vincent Gulch); San Gabriel Mts. Comment
  RSA714913  Castilleja exserta A. C. Sanders, Mark A. Elvin 2003-4-14 25978 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
  UC1409006  Castilleja exserta subsp. exserta G. Wallace and D. Wilken 1966-3-18 139 Los Angeles Russel Valley Simi Hills (just off the Ventura Freeway, in the Simi Hills) 274 Comment
  RSA400559  Castilleja foliolosa Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall 610 Comment
  RSA400549  Castilleja foliolosa L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest Comment
  RSA545285  Castilleja foliolosa D. Propst, M. Hoefs 1973-3-3 7 Los Angeles Santa Catalina Island: Upper middle Ranch Canyon south. 305 Comment
  RSA300701  Castilleja gleasoni James R. Shevock 1974-7-19 3737 Los Angeles Near Mt. Gleason along FS road below Dear Spring. San Gabriel Mountains. Angeles National Forest. 1768 Comment
  RSA0005957  Castilleja grisea M. B. Dunkle 1939-4-2 7201 Los Angeles Southeast corner of San Clemente Island Comment
  CAS-BOT-BC32537  Castilleja gyroloba Francis Whittier Pennell 1940-4-18 25140 Los Angeles Route 99 near Oak Flat Camp 914 Comment
  POM4465  Castilleja linariifolia L. R. Abrams, E. A. McGregor 1908-7-1 524 Los Angeles Rock Creek. Desert slopes of San Gabriel Mountains. 1220 Comment
  SBBG47139  Castilleja linariifolia K. K. Muller 1972-5-2 3078 Los Angeles Red Rover Mine turnoff from St Hwy 14 between Los Angeles and Palmdale Comment
  RSA226002  Castilleja minor subsp. spiralis Robert F. Thorne, C. W. Tilforth 1971-6-29 40659 -B Los Angeles San Gabriel Mountains, Angeles National Forest: Lttle Rock Creek, just below Little Rock Forestry station, 1/2 mi. below Little Rock Dam 945 Comment
  RSA305053  Castilleja minor subsp. spiralis Peter H. Raven 1960-7-17 15558 Los Angeles along Malibu Creek about 2 miles above the Ocean. 46 Comment
  RSA555349  Castilleja subinclusa subsp. subinclusa D. Charlton 1991-5-21 5231 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Narrow north facing canyon. 1037 Comment
  UC1537564  Castilleja subinclusa subsp. subinclusa Gordon H. True Jr. 1935-3-27 180 Los Angeles 5 mi s Palmdale 914 Comment
  JEPS24714  Castilleja subinclusa subsp. subinclusa E. R. Blakley 1960-4-26 3280 Los Angeles w of Acton (Ward Road) 1005 Comment
  RSA0115479  Caulanthus amplexicaulis A. C. Sanders, T. B. Salvato, Mitch Provance, Aaron Keller 2007-4-12 33382 B Los Angeles Western Antelope Valley: Neenach, south of Hwy 138 at end of 290th St. West, toe of hills between Horse Camp and Cow Spring canyons and into mouth of Cow Spring Canyon. 945 Comment
  UC479213  Caulanthus amplexicaulis Marcus E. Jones, A. M. 1931-6-28 28882 Los Angeles San Antonio Peak Comment
  RSA0086391  Caulanthus amplexicaulis var. amplexicaulis Scott D. White, Kent Hughes 2000-5-16 7828 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  JEPS26576  Caulanthus cooperi Peter Kamb 1948-5-6 980 Los Angeles above Little Rock (desert foothills of San Gabriel Mts.); San Gabriel Mts. above Little Rock 975 Comment
  POM143650  Caulanthus coulteri var. coulteri H. M. Hall 1902-5-1 3060 Los Angeles Vicinity of Elizabeth Lake 1067 Comment
  POM369302  Caulanthus coulteri var. coulteri B. C. Templeton 1930-5-5 s.n. Los Angeles 1 mile no. of Elizabeth Lake. 1100 Comment
  SBBG53170  Caulanthus lasiophyllus S. A. Junak 1978-4-15 SCa 5 Los Angeles S side of upper Cherry Valley, S of Pk 637 Comment
  CAS-BOT-BC48727  Ceanothus crassifolius Carl B. Wolf 1936-5-27 7844 Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  POM2835  Ceanothus crassifolius I. M. Johnston 1917-2-14 s.n. Los Angeles Evey Canyon. Comment
  UC1211151  Ceanothus crassifolius Huron H. Smith 1912-4-23 4813 Los Angeles Eagle Rock 213 Comment
  LA32005  Ceanothus cuneatus Henry J. Thompson; 1959-2-23 1850 Los Angeles SANTA MONICA MOUNTAINS, Sierra Canyon, 1 mi above Seminole Hot Springs. 457 Comment
  RSA127430  Ceanothus cuneatus H. J. Thompson 1959-2-23 1850 Los Angeles water shed of Sierra Canyon, 1 mile above Seminole Hot Springs. 457 Comment
  RSA399015  Ceanothus cuneatus M. B. Dunkle 1936-4-9 4718 Los Angeles San Rafael Valley Comment
  UCR108360  Ceanothus cuneatus Scott D. White, Pam DeVries 1998-4-20 6313 Los Angeles Transverse Ranges/Liebre Mtns, Soledad Canyon area: proposed quarry area north of Soledad Canyon Rd., south of the I-14 Fwy, east of Bee Canyon and west of Agua Dulce Canyon 762 Comment
  CAS-BOT-BC50079  Ceanothus insularis Ezra C. Knopf 1926-3-30 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  SD65480  Ceanothus integerrimus var. puberulus Reid Moran 1967-7-22 14098 Los Angeles Canyon S of Chilao, S Gabriel Mtns 1550 Comment
  CAS-BOT-BC50573  Ceanothus leucodermis L. R. Abrams 1906-7-19 s.n. Los Angeles Mount Wilson Trail 609 Comment
  RSA651871  Ceanothus leucodermis Michael Krawczyk 1981-4-26 3 Los Angeles 200 yards down canyon on north side of Highway 39, 2 miles south of Rincon forest station in the San Gabriel Mtns. Comment
  UC1552128  Ceanothus leucodermis David Charlton 1988-4-2 1487 Los Angeles Cleghorn Road turnoff on Cajon Pass, I 15, Swarthout Valley Road to end pavement under powerline; Valley surrounded by hills about 5500 ft 1524 Comment
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Feb 4 2015
  CAS-BOT-BC51434  Ceanothus megacarpus var. megacarpus Peter H. Raven 1959-2-15 13788 Los Angeles Beverly Glen Canyon 2.6 miles North of Sunset Boulevard 213 Comment
  UC1070874  Ceanothus megacarpus var. megacarpus P. L. Johannsen 1934-1-11 220 Los Angeles Las Flores Canyon 152 Comment
  CAS-BOT-BC50491  Ceanothus oliganthus John Thomas Howell 1928-3-2 3369 Los Angeles Vermont Canyon, Griffith Park Comment
  RSA657448  Ceanothus oliganthus L. Corpening 1979-4-23 1 Los Angeles Verdugo Mountains Region: About 1/2 mile north of intersection of Blanchard Canyon Road and Covert Ave., Tujunga. Feet. Comment
  UCD162838  Ceanothus oliganthus D. O. Burge 2015-3-17 1689 Los Angeles Newhall Pass. 550 Comment
  LA91404  Ceanothus spinosus Bruce Douglas Clayton; Greg Shaw 1972-3-16 4 Los Angeles SANTA MONICA MOUNTAINS, upper Temescal Canyon, Mountain Park Research Campus, Ceanothus Road near pull-out. 518 Comment
  UC1594359  Ceanothus spinosus Tim Ross, Mathew Bell 1992-3-22 6054 Los Angeles w side of Yerba Buena Road ca 360m nnw of intersection with Mulholland Highway (Santa Monica Mountains); Triunfo Pass Quad., Santa Monica Mountains 487 Comment
  UC66842  Ceanothus spinosus N. K. Berg 1904-3-7 Los Angeles Santa Monica Comment
  UCD150977  Centaurea melitensis D. S. Park 2010-4-29 63 Los Angeles Wildwood Canyon, trailside. Growing on hillside 30 degree gradient. 447 Comment
  LA200178  Centaurea melitensis Barry A. Prigge; 1985-6-14 6394 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail from upper gate of Cold Creek Preserve to Murphy Ranch site. 658 Comment
  LA94406  Centaurea melitensis Norman A. Cole; May 1964 334 C Los Angeles Santa Monica Mountains, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico 152 Comment
  RSA232056  Centaurea repens C. W. Tilforth 1972-8-17 621 Los Angeles Open field, Datmouth St and Garey Ave, .5 mi N of Foothill blvd, N edge of Pomona. 366 Comment
  UC481041  Centromadia pungens Katharine Brandegee Los Angeles Comment
  CAS-BOT-BC179817  Centrostegia thurberi A. D. E. Elmer 1902-6-1 3679 Los Angeles Acton Comment
  UCD166197  Centrostegia thurberi Jack Major 1962-4-15 762 Los Angeles Desert near Pearblossom. (Exact location unkown. Coordinates estimated by label maker.) 930 Comment
  UCR222745  Centrostegia thurberi R. G. Swinney 2009-4-29 10572 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  RSA392712  Centrostegia thurberi var. thurberi Robert Gustafson, Gary D. Wallace 1982-4-26 2529 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  RSA187735  Cerastium glomeratum R. F. Thorne 1966-4-4 35759 Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus 61 Comment
  CAS-BOT-BC388298  Cerastium glomeratum Munz; Street; Williams 1919-4-5 2468 Los Angeles Puddingston Canon [Canyon], Sam Dimas Comment
  CAS-BOT-BC388303  Cerastium glomeratum Geo. B. Grant 1903-3-1 s.n. Los Angeles Monrovia Comment
  RSA597736  Ceratophyllum demersum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3792 Los Angeles Vicinity of Crystal Lake 1677 Comment
  SJSU2323  Cercocarpus betuloides Victor Duran 1933-8-10 3544 Los Angeles S Fork Big Rock Cr, San Gabriel Mts 1394 Comment
  UCR241710  Cercocarpus betuloides Dan S. Cooper 2012-8-31 812- 81 Los Angeles Western Transverse Range; Santa Monica Mountains, Encinal Canyon Rd. near Malibu Country Club 537 Comment
  CAS-BOT-BC142170  Cercocarpus betuloides var. betuloides Le Roy Abrams 1903-3-11 3116 Los Angeles Sepulveda canyon, Santa Monica Mountains Comment
  JEPS45546  Cercocarpus betuloides var. betuloides Frank W. Peirson 1919-7-1 340 a Los Angeles Fish Canyon; San Gabriel Mountains, Fish Canyon 304 Comment
  RSA660802  Cercocarpus betuloides var. betuloides Gerald Braden, Lori Ackerman 1988-5-19 23 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  UC12128  Cercocarpus betuloides var. betuloides Dr. A. Davidson 1892-1 Los Angeles Glendale Comment
  RSA453267  Cercocarpus betuloides var. betuloides Ron Yee 1979-5-6 102 Los Angeles San Gabriel Mountains, Angeles National Forest 1006 Comment
  RSA650394  Cercocarpus betuloides var. betuloides T. Strid 1971-6-1 s.n. Los Angeles Glendora Road. Comment
  UCSB2753  Cercocarpus betuloides var. betuloides Foster, R. 1937-4-5 Los Angeles Near University Club, Claremont Comment
  UCD19473  Cestrum nocturnum Glen Holstein 2001-11-18 s.n. Los Angeles Los Angeles, Brentwood district. East side of Canyon View Drive. Comment
  UCR258785  Chaenactis artemisiifolia R. G. Swinney 2010-5-25 12968 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
  POM66521  Chaenactis artemisiifolia Marcus E. Jones 1887-04 s.n. Los Angeles Los Angeles. Comment
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Oct 26 2009
  RSA003816  Chaenactis artemisiifolia Fay A. MacFadden 1929-06 1992 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA252870  Chaenactis fremontii R. F. Thorne 1973-5-11 43527 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  CAS-BOT-BC277325  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Steve Boyd 1994-5-24 7871 Los Angeles Liebre Mountains. Lower NE slope of Grass Mountain: Northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon 1158 Comment
  CAS-BOT-BC277331  Chaenactis glabriuscula var. glabriuscula Alice Eastwood 1928-6-15 15384 Los Angeles Claremont Comment
  CAS-BOT-BC277346  Chaenactis glabriuscula var. glabriuscula F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CAS-BOT-BC277523  Chaenactis glabriuscula var. lanosa I. Johnston 1917-4-28 1933 Los Angeles Wash west of Upland 365 Comment
  RSA585951  Chaenactis santolinoides Timothy S. Ross, Steve Boyd 1990-5-23 2621 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon. 1524 Comment
  UCR281165  Chaenactis stevioides R. G. Swinney 2014-4-23 16183 Los Angeles San Gabriel Mountains, east of Valyermo, Holcomb Ridge, 0.18-0.32 miles north of Bob's Gap Rd., 1.04 air-miles west of Bob's Gap 1302 Comment
  UCR270152  Chaenactis xantiana R. G. Swinney 2011-4-20 14434 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  UCR3285  Chaenactis xantiana Vernon M. Stern 1964-4-2 640402- 05 Los Angeles Beside State Hwy 138 just east of junction with U.S. Hwy 99 near Gorman 1006 Comment
  OBI2897  Chaenactis xantiana Lewis S. Rose 1968-4-5 68018 Los Angeles 10 mi E of Gorman 853 Comment
  UCSB42597  Chamaesyce albomarginata Rajala, Mary Ann 1980-5-25 Los Angeles Hungry Valley Road, 3.3 mi. west of Hwy. 5 981 Comment
  UC303790  Chamaesyce maculata Geo. B. Grant 1904-9-2 427 Los Angeles Pasadena Comment
  RSA643110  Chamaesyce melanadenia Orlando Mistretta 1992-9-16 806 Los Angeles San Gabriel Mountains: Oak Springs Trail; Tujunga Ranger District. 624 Comment
  CDA4779  Chamaesyce nutans J. B. Cook, George Garrettson 1958-6-6 Los Angeles Southern Pacific Railroad right-or-way near Pomona. 0 Comment
  SJSU4462  Chamaesyce polycarpa H. R. Garrett 1962-4-15 Los Angeles Shady Cove Dr, Burbank Comment
  RSA128786  Chamaesyce polycarpa var. polycarpa P. H. Raven 1959-5-3 s.n. Los Angeles Matted on banks; open in oak woodland, Woodland Wilson Drive 1.6 miles west of Cahuenga Pass. 305 Comment
  CATA2920  Chamelaucium uncinatum Sara L. Crockett 1997-4-15 124 Los Angeles Santa Catalina Island: 326 Sumner Avenue 15 Comment
  SEINET6744569  Cheilanthes covillei Marcus E. Jones 1882-1 3033 Los Angeles Pasadena Comment
  SEINET10470300  Cheilanthes fendleri Jason R. Grant, W. Wheeler 1904-5-17 Grant UMO 32272 Los Angeles Collected at Mt. Wilson, southern California. In crevices of rocks. 1524 Comment
  SBBG133177  Chenopodium album B. C. Templeton 1951-9-12 Los Angeles South Harvard, Claremont Comment
  SJSU2916  Chenopodium album C. W. Sharsmith 1966-1-1 7435 Los Angeles Tujanga Comment
  SBBG65293  Chenopodium berlandieri R. Hoffmann 1927-7-16 Los Angeles Chandler's Comment
  UC519965  Chenopodium berlandieri Louis C. Wheeler 1932-10-7 1421 Los Angeles U.C.L.A. Campus W Los Angeles 137 Comment
  POM155744  Chenopodium berlandieri var. sinuatum M. B. Dunkle 1928-10-7 2005 Los Angeles Middle Ranch Canyon. Santa Catalina Island. 168 Comment
  RSA0022523  Chenopodium botrys Duncan S. Bell, Caitlin Elam 2013-6-24 5247 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA583077  Chenopodium californicum T. S. Ross 1993-4-22 6884 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft); 1000m ESE of Cactus Peak summit; large [rock] outcrop on NNW side of 1528-ft peak. 447 Comment
  RSA64807  Chenopodium californicum F. W. Peirson 1919-5-26 348 Los Angeles New York Ave. in the Rubio Wash, Altadena. Comment
  RSA0085505  Chenopodium fremontii R. G. Swinney 2010-9-9 13800 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CDA23385  Chenopodium hians G. C. Fleischman 1943-8-8 Los Angeles Highway San Gabriel Mountains to Palmdale. 0 Comment
  RSA126736  Chenopodium murale P. H. Raven 1959-3-15 13850 Los Angeles Stream east of Zuma Beach, Point Dume. 9 Comment
  UCD98353  Chenopodium murale Kenneth A. Wilson 1961-2-21 872 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  RSA600808  Chenopodium pumilio L. C. Wheeler 1966-11-23 9143 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  UC519964  Chenopodium pumilio Louis Wheeler 1932-10-7 1428 Los Angeles San Gabriel 106 Comment
  UCR132653  Chenopodium strictum Sharon Dougherty 1997-9-7 s.n. Los Angeles San Gabriel Mtns., Kratka Ridge, Angeles National Forest 2073 Comment
  LA201532  Chenopodium strictum var. glaucophyllum Arthur C. Gibson; 2003-9-2 4896 Los Angeles 289 Comment
  CAS-BOT-BC252775  Chorizanthe parryi var. parryi Marcus E. Jones 1926-5-21 s.n. Los Angeles Mountains near Claremont Comment
  CAS-BOT-BC244802  Chorizanthe staticoides Samuel B. Parish 1887-6-1 1999 Los Angeles Plants of Southern California Comment
  RSA708600  Chorizanthe staticoides Valerie L. Soza, LeRoy Gross 2001-5-9 1202 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 244 Comment
  UCR248998  Chorizanthe staticoides Elizabeth A. Kempton, Eric Paul 2006-6-11 392 Los Angeles Roadside along N2, Ridge Road 1223 Comment
  UCR190765  Chorizanthe watsonii R. G. Swinney 2001-6-2 7958 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  RSA593592  Chorizanthe xanti var. xanti Steve Boyd, Orlando Mistretta 1996-5-23 8832 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  JEPS30450  Cichorium intybus Donald W. Kyhos 1958-12-4 58 -235 Los Angeles Puente Hills Whittier Comment
  RSA0059669  Cirsium occidentale Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5325 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  POM352192  Cirsium occidentale var. californicum A. G. Goodwin 1940-05 s.n. Los Angeles Palos Verde Comment
  UCD130640  Cirsium occidentale var. californicum P. B. Kennedy 1928-3-28 s.n. Los Angeles Ridge above Avalon, Santa Catalina Island. Comment
  RSA620159  Cirsium vulgare L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Foster Ranch, Sycamore Canyon. South slope Johnstone Peak 731 Comment
  RSA643264  Cirsium vulgare R. D. Goeden, D. W. Ricker 1972-5-19 s.n. Los Angeles San Jose Hills: Bonelli Regional Park, S of Puddingstone Reservoir, along Via Verde 1/2 mile east of 210 Freeway, between Pomona and San Dimas 305 Comment
  CATA2974  Cistanthe maritima Peter J. Dixon 2015-2-17 002 Los Angeles Santa Catalina Island: Ben Weston Ridge Rd. near feral animal removal fence gate. 60 m West of Middle Ranch Rd. 137 Comment
  RSA582791  Cistanthe monandra Timothy S. Ross, Steve Boyd 1993-5-23 7285 Los Angeles Steep, northerly draw draining from saddle between Red Mtn's long E Ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 430-500 m SSW of Plum Spring. 875 Comment
  RSA466632  Cistanthe monosperma Fred Burlew 2994 Los Angeles Mount San Antonio Comment
  LA212433  Clarkia biloba P. R. Brown; May 1970 s.n. Los Angeles upper end of Canon de Lana. Comment
  SFV16012  Clarkia bottae P. W. Byrne, M. Hill 1994-5-15 43 Los Angeles San Gabriel Mountains Bear Canyon at Liver Oak Campground. South side of dry riverbed. 600 Comment
  UCD104379  Clarkia bottae Gordon Pilone 1961-5-19 47 Los Angeles Pomona College, Claremont. 365 Comment
  UC494498  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-22 56 Los Angeles n Saugus; Bouquet Canyon 600 Comment
  RSA453452  Clarkia dudleyana Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon, Wolfskill Canyon. 549 Comment
  RSA0016859  Clarkia dudleyana Mary P. Walker s.n. Los Angeles Live Oak Canyon. 549 Comment
  CAS-BOT-BC172007  Clarkia epilobioides John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  SBBG131723  Clarkia epilobioides S. A. Junak 1999-5-8 SCa 917 Los Angeles Fern Cyn, Cottonwood watershed, just upstream from fenceline, elevated floodplain Comment
  RSA702370  Clarkia purpurea Scott D. White, Pam DeVries 2004-5-18 10436 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
  CAS-BOT-BC163702  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1959-5-9 14166 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 304 Comment
  CLARK-A1528-2658  Clarkia purpurea subsp. quadrivulnera Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains Comment
  CAS-BOT-BC164726  Clarkia rhomboidea I. M. Johnston 1917-7-3 1404 Los Angeles San Antonio [Canon] Canyon 1524 Comment
  RSA448469  Clarkia unguiculata G. R. Johnstone 1931-5-3 s.n. Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA448584  Clarkia unguiculata Amelia Eatherton 1930-05 s.n. Los Angeles Griffith Park. Comment
  RSA658898  Clarkia unguiculata Geraldine Dodd 1992-5-16 16 Los Angeles 1.5 miles north of corner of Mira Monte Ave. & Mt. Wilson Trail Dr. in Sierra Madre,. Mt Wilson Hiking Trail 732 Comment
  UCD105038  Clarkia unguiculata Gerald Dickinson 1962-5-19 41 Los Angeles 3 miles W of Topanga Canyon-Mulholland, Santa Monica Mountains. 356 Comment
  SEINET10492173  Clarkia unguiculata Tim Holtsford 1992-5-31 Holtsford 920531 -1-B Los Angeles Mandeville canyon rd, just n and across the st from 3676 canyon rd. Coastal Sage-scrub with oaks, sycamores, elderberry, many cultivars. Comment
  RSA618591  Claytonia parviflora subsp. parviflora L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravenna. 716 Comment
  POM794  Claytonia perfoliata subsp. intermontana L. R. Abrams 1901-4-15 1506 Los Angeles Wilson's Trail Comment
  RSA247432  Clematis lasiantha Jack Delaini 1974-5-9 178 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest 762 Comment
  CAS-BOT-BC92811  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash. 106 Comment
  RSA440835  Cleome isomeris M. B. Dunkle 1928-3-17 1759 Los Angeles Santa Catalina Island, Emerald Bay. Dry headland between Coves. Comment
  RSA680486  Cnicus benedictus Scott D. White, Michael Honer 2003-6-23 9578 Los Angeles Newhall Area: South Fork, Santa Clarita Riv. between Lyons Ave. and Magic Mountain Parkway. 351 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
  RSA408413  Collinsia bartsiifolia var. davidsonii Anstruther Davidson 1922-5-1 3493 Los Angeles Lancaster. Comment
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Jun 16 2008
  RSA79814  Collinsia callosa F. W. Peirson 1923-5-25 3530 Los Angeles along stream on south side of canyon of Rock Creek, San Gabriel Mountains. 1296 Comment
  RSA79815  Collinsia callosa F. W. Peirson 1921-6-15 2443 Los Angeles Chilao, San Gabriel Mountains. 1646 Comment
  UC26593 Image available Collinsia callosa H. M. Hall Jun 19-21 1899 1267 Los Angeles Swartout Canyon San Antonio Mountains; Swartout Canyon, San Antonio Mts. 1981 Comment
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Jul 14 2010
  UCR139468  Collinsia callosa H. M. Hall 1900-6-3 1492 Los Angeles San Gabriel ('Antonio') Mtns., Swarthout Canyon 2012 Comment
  LA201519  Collinsia heterophylla Arthur C. Gibson; 2003-4-29 4871 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, Stunt Ranch Santa Monica Mountains Reserve, along service road into Stunt Range on Stunt Rd. 350 Comment
  POM6998  Collinsia heterophylla Philip A. Munz, L. T. Street, G. Williams 1919-4-5 2431 Los Angeles Puddingstone Canon, San Dimas Comment
  RSA0117321  Collinsia parryi Steve D. Boyd 1996-4-25 8687 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  UCR179488  Colutea arborescens R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mountains, Glendora Wilderness Park, in Big Dalton Canyon. 1.6 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 473 Comment
  RSA467088  Comarostaphylis diversifolia subsp. planifolia Albert J. Perkins 1919-4-29 s.n. Los Angeles slopes of Mt. Orizaba Comment
  RSA650267  Conium maculatum Leonard Brown 1948-5-13 s.n. Los Angeles Found on the west side of Chino near the Cal. Aero airfield. 224 Comment
  RSA0073116  Convolvulus arvensis Mark L. Hoefs 1995-5-23 2078 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, near road to Bulrush Canyon. 116 Comment
  RSA394792  Convolvulus arvensis Robert Gustafson 1980-8-29 1884 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA785631  Convolvulus arvensis Doris Bowers 1968-6-28 693 Los Angeles Diamond Bar Ranch 305 Comment
  UCR178065  Conyza bonariensis LeRoy Gross 2001-11-10 454 Los Angeles Los Angeles Basin, Verdugo Mountains, north side. Off the 210 Fwy east bound LaTuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast) 457 Comment
  RSA258374  Conyza bonariensis C. W. Tilforth 1972-6-23 601 Los Angeles Los Angeles. Found occasionally under almost all conditions. Comment
  CDA21759  Conyza canadensis G. C. Fleischman 1945-9-29 Los Angeles Pasadena. 0 Comment
  POM310451  Conyza canadensis Margaret Hardinge 1945-10-23 15 Los Angeles Claremont irrigation ditch. 351 Comment
  RSA118800  Conyza canadensis S. Carlquist 1958-8-30 619 Los Angeles Weed in field, Foothill Blvd at W City limits of Claremont. Comment
  RSA91007  Conyza canadensis F. W. Peirson 1919-09 273 Los Angeles Weed at 1085 New York Drive, Altadena Comment
  RSA228987  Corallorhiza maculata Robert F. Thorne 1971-8-25 41274 Los Angeles San Gabriel Mountains, Angeles National Forest: Near Lily Springs on NW slope Mt. Hawkins 2500 Comment
  RSA412322  Cordylanthus nevinii I. M. Johnston 1917-8-21 1662 Los Angeles Upper San Antonio Ca - on. 2043 Comment
  JEPS23843  Cordylanthus rigidus subsp. setiger Henry J. Thompson 1958-9-28 1805 Los Angeles 2.5 mi ne Monte Nido Fire Station (Cold Canyon Road); Santa Monica Mts. 274 Comment
  RSA587603  Coreopsis bigelovii Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1146 Los Angeles Santiago Canyon. Near confluence with Little Rock Creek. 1067 Comment
  SEINET1004570  Coreopsis bigelovii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-1 25711 Los Angeles NE end of Santa Sussana Mtns.: Newhall Ranch, ''Grapevine Mesa'' ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon. 335 Comment
  RSA611832  Coreopsis calliopsidea Steve Boyd, J. Mark Porter, Zel Lederman 1998-4-27 10149 Los Angeles Mojave Desert: Antelope Valley region, north of Lake Los Angeles (aka Lovejoy Lake) in valley between Lovejoy and Saddleback buttes, along 170th Street, just east of Challenger Middle School. 793 Comment
  CAS-BOT-BC105748  Corethrogyne filaginifolia Ralph Hoffmann 1930-7-7 s.n. Los Angeles Santa Rosa Island Comment
  SFV12659  Corethrogyne filaginifolia M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-27 900 Los Angeles Malibu, near Malibu Creek just above Pacific Coast Highway bridge. 3 Comment
  UC895247  Corethrogyne filaginifolia L. R. Abrams 1916-10-31 6367 Los Angeles Fremont's Pass Comment
  UC63682  Cornus sericea subsp. sericea H. M. Hall June, 1899 Los Angeles San Antonio Mts., Mescal Creek Comment
  RSA654657  Coronilla glauca Matt Brooks 1988-5-12 65 Los Angeles Hacienda Heights, Athel Dr. 0.2 miles east of its intersection with Oak Canyon Dr. Comment
  RSA738050  Cotoneaster M. A. Sanatay s.n. Los Angeles San Rafael Hills 213 Comment
  CATA3055  Cotula coronopifolia Amy Catalano 2016-3-25 067 Los Angeles Santa Catalina Island: In seep 230 meters northeast of Edison pumpstation in Cottonwood Canyon, 115 meters south of Fern Canyon Road 120 Comment
  UCR123265  Cotula coronopifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25488 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UCR45204  Cotyledon orbiculata A. C. Sanders 1986-7-30 6821 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  UC1714527  Crepis acuminata I. M. Johnston 1918-7-6 2083 Los Angeles Pine Mt. Ridge San Antonio Mountains (lee-side of ridge crest) 2438 Comment
  UC872170  Crocanthemum scoparium var. vulgare Ira W. Clokey, B. Templeton May 1929 4490 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  CATA1592  Crossosoma californicum M. B. Dunkle 1932-1-24 2862 Los Angeles Santa Catalina Island: Open East ridge of Avalon 91 Comment
  CATA696  Crossosoma californicum Mark L. Hoefs 1991-4-26 1189 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  RSA397727  Crossosoma californicum M. B. Dunkle 1928-12-30 2039 Los Angeles Head of Grand Canyon, Santa Catalina Island Comment
  SBBG32035  Crossosoma californicum R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -264 Los Angeles lower Cape Cyn Comment
  UCR139935  Crossosoma californicum L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  RSA0088149  Croton californicus R. G. Swinney 2010-5-4 12515 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  UC177308  Croton californicus T. S. Brandegee May 1889 Los Angeles Saugus Comment
  UC527249  Croton californicus C. B. Wolf 1913-5-13 2001 Los Angeles on road from Tujunga to San Fernando near bridge; Pacoima Wash 365 Comment
  SEINET6056315  Croton californicus Unknown 1946-10-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. 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
  RSA613030  Croton setiger L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mountains: Ridge at head of Little Dalton Canyon. 960 Comment
  SD107907  Croton setiger Larry DeBuhr, Gary Wallace 1972-9-3 706 Los Angeles San Clemente Island, weed around building on top of Thirst Peak 580 Comment
  UCR276814  Cryptantha R. G. Swinney 2010-5-21 12888 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
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Feb 19 2020
  UCR269948  Cryptantha barbigera var. barbigera R. G. Swinney 2010-5-19 12783 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA595116  Cryptantha circumscissa Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8578 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
  SBBG41181  Cryptantha circumscissa J. P. Broughton 1970-4-19 Los Angeles just outside Devil's Punchbowl County Park Comment
  RSA640275  Cryptantha clevelandii R. F. Thorne 1971-5-17 41369 Los Angeles Santa Catalina Island: Ben Weston Beach. 6 Comment
  SD181670  Cryptantha decipiens LeRoy Gross, Orlando Mistretta and Valerie Soza 2003-5-13 894 Los Angeles Big Rock Creek, north and east of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  UCR209952  Cryptantha echinella R. G. Swinney 2008-7-15 9226 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA526514  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4253 b Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA650999  Cryptantha intermedia Marion P. Harthill 1972-5-22 s.n. Los Angeles Hist. Monument Hwy. 138. 1188 Comment
  UCR146877  Cryptantha intermedia L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, c. 0.5 mi [southeast] of Blum Ranch 945 Comment
  RSA17766  Cryptantha microstachys C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  RSA609279  Cryptantha microstachys L. C. Wheeler 1968-5-24 s.n. Los Angeles Smith Mountain along the Bear Creek Trail. 1219 Comment
  RSA748196  Cryptantha microstachys Scott D. White, Justin M. Wood 2009-5-6 12647 Los Angeles San Gabriel River- West Fork, dirt road between Cogswell Dam and fill slope on the S side of Cogswell Reservoir. 726 Comment
  RSA660823  Cryptantha microstachys LeRoy Gross 2001-5-6 384 Los Angeles Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley Comment
  IRVC26334  Cryptantha muricata A. C. Sanders, Andy Thompson 2003-4-15 25987 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  SFV8250  Cryptantha muricata T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1607 Los Angeles San Gabriel Mountains Chilao Flat. 1585 Comment
  UC1871088  Cryptantha muricata Tim Ross, Walter Appleby 1993-5-13 7114 Los Angeles Western San Gabriel Mountains: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 853 Comment
  UCR114187  Cryptantha muricata A. C. Sanders, D. Malueg 1998-6-24 22067 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  UCR270967  Cryptantha muricata R. G. Swinney 2011-4-28 14529 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  UCSB5593  Cryptantha muricata B., K. 1943-6-14 Los Angeles Climatic station, 5100 foot contour, Fern Canyon, near head of East fork of San Dimas Canyon, San Dimas Experimental Forest, San Gabriel Mtns. Comment
  RSA0079138  Cryptantha muricata var. denticulata Orlando Mistretta 1992-8-20 773 Los Angeles San Gabriel Mts region: Mt. Gleason Management Unit. Mt Gleason. Tujunga Ranger District. Comment
  SBBG63811  Cryptantha muricata var. jonesii R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  RSA0079395  Cryptantha muricata var. jonesii F. W. Peirson 1921-7-1 2476 Los Angeles Arraster Creek, north slope of San Gabriel Mountains. 945 Comment
  RSA0079396  Cryptantha muricata var. jonesii T. S. Ross, Peter Fritsch 1990-6-20 3671 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA756625  Cryptantha muricata var. jonesii Orlando Mistretta, Christine Mistretta 2008-4-17 2485 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  RSA0079360  Cryptantha muricata var. muricata Steve Boyd, Lauren Raz 1997-3-31 9395 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. 914 Comment
  RSA570198  Cryptantha nevadensis var. rigida T. S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5036 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA571541  Cryptantha nevadensis var. rigida Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8306 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  RSA757214  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2008-4-3 2281 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 63, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass Comment
  RSA0116325  Cryptantha oxygona A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31953 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  UCR153355  Cryptantha oxygona LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 841 Los Angeles Transverse Ranges/San Gabriel Mtns region, E side of Punchbowl Canyon 1585 Comment
  RSA587368  Cryptantha oxygona Orlando Mistretta 1995-4-25 1641 C Los Angeles San Gabriel Mountains. Kitter Canyon. Near the confluence of Kitter canton and Little Rock creek. 1098 Comment
  RSA640241  Cryptantha similis R. F. Thorne, R. Carolin, C. Davidson 1967-3-23 41599 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  SEINET10569468  Cryptomeria japonica David B. Dunn 1939-10-25 Dunn UMO 46536 Los Angeles Cultivated tree growing in Pasadena, Calif. along Orange Dr. 274 Comment
  POM4560  Cucurbita foetidissima Effie M. Ingels 1905-06 364 Los Angeles Claremont Wash. 366 Comment
  RSA394307  Cucurbita foetidissima B. C. Templeton 1938-8-10 6638 Los Angeles Ravine, ocean side of dune. El Segundo Comment
  UCR117113  Cupaniopsis anacardioides A. C. Sanders, D. Malueg 2001-5-17 24349 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  UCR51491  Cupressus macrocarpa A. C. Sanders 1987-12-4 7446 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  CAS-BOT-BC224477  Cuscuta californica Le Roy Abrams 1900-8-9 877 Los Angeles San Gabriel Canon [Canyon] Comment
  CAS-BOT-BC224478  Cuscuta californica LeRoy Abrams 1902-7-5 2654 Los Angeles Near Azusa Comment
  IRVC29575  Cuscuta californica A. C. Sanders 2003-4-29 26187 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA0012266  Cuscuta californica var. californica Orlando Mistretta, Youssef Atallah 2011-8-12 6028 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  UC496531  Cycladenia humilis var. venusta T. Craig 1927-6-8 451 Los Angeles trail to summit of Mt. San Antonio (Bear Canyon); Bear Canyon 2743 Comment
  IRVC28989  Cynara scolymus A. C. Sanders 2003-6-18 26929 Los Angeles near mouth of "Off-haul Canyon" ca. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
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Dec 5 2007
  RSA660636  Cynodon dactylon Peter J. Estournes 1981-5-27 35 Los Angeles 2550 North Towne Avenue. Pomona. Comment
  RSA608304  Cyperus difformis L. C. Wheeler 1946-9-8 6352 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 - 3/4 mile W of Bear Creek. 518 Comment
  CAS-BOT-BC114637  Cyperus eragrostis J. Ewan 1931-7-31 4778 Los Angeles Along road ditch Telegraph Road near Santa Fe Crossing. Comment
  RSA32487  Cyperus erythrorhizos G. C. Fleischman 1946-10-20 s.n. Los Angeles Puddingstone Reservoir near San Dimas. Comment
  CAS-BOT-BC114312  Cyperus esculentus Joseph Andorfer Ewan 1932-6-28 7501 Los Angeles Los Angeles River at Fletcher Ave Bridge. Comment
  RSA651582  Cyperus esculentus Robert Lloyd 1948-4-29 27 Los Angeles 3 1/2 miles east of Covina. 227 Comment
  RSA365126  Cyperus involucratus L. C. Wheeler 1933-10-7 2170 Los Angeles Liveoak Canyon, San Gabriel Mts. 488 Comment
  RSA365104  Cyperus niger var. capitatus Louis Greata 1900-10-28 s.n. Los Angeles Oak Knoll, Pasadena Comment
  UCR270905  Cystopteris fragilis R. G. Swinney 2011-8-17 15622 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  SFV21040  Cytisus striatus L. Gross 2001-11-10 451 Los Angeles Verdugo Mountains North side of mountains off the 210 Freeway, east bound La Tuna Canyon Road exit. Opposite this exit is a road that starts out paved (Hostetter Mountainway); follow this road that parallels the freeway east until a dirt road forks off on the right (southeast). 457 Comment
  RSA660249  Dactylis glomerata Orlando Mistretta, Peter L. Morrell 1992-6-4 480 Los Angeles San Gabriel Mountains: Short Cut Canyon, OVH area. Arroyo District Comment
  RSA229724  Datisca glomerata R. F. Thorne 1969-7-2 38216 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  RSA517160  Datisca glomerata T. S. Ross, Orlando Mistretta 1990-10-9 3526 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest 1414 Comment
  RSA173361  Datisca glomerata J. D. Olmsted 1959-9-30 1062 Los Angeles Along Mt. Baldy Trail to water supply meadow, above Camp Baldy; then left on side trail for 1.5 miles to stream crossing. 1860 Comment
  LA39063  Datura wrightii Harlan Lewis; 1940-8-14 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Campus. Comment
  LA51851  Datura wrightii W. R. Ernst; May 1947 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  OBI69425  Datura wrightii Steve Morgan 1974-5-1 95 Los Angeles W boundary point of Scholl Cyn Park, Glendale 335 Comment
  RSA714788  Daucus carota A. C. Sanders, Kim Marsden 2003-6-20 26987 Los Angeles Western Transverse Range/Santa Clara River Watershed: Del Valle area, between San Martinez Grand Canyon Rd. and (San Martinez) Chiquto Canyon Rd., north of Hwy 126, Newhall Ranch. 305 Comment
  POM155754  Daucus pusillus M. B. Dunkle 1928-4-22 1890 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  UCR147755  Daucus pusillus Valerie Soza, Laura Moore 2000-5-30 969 Los Angeles Transverse Range; Liebre Mountains, San Franisquito Canyon, at Los Angeles Dept. of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, west of San Francisquito Canyon Road 488 Comment
  UC1587223  Daucus pusillus Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-20 5339 Los Angeles w. side San Clemente Isl. (between Box and Horse Canyons) 484 Comment
  SBBG94271  Deinandra clementina F. R. Fosberg 1931-5-7 S 4838 Los Angeles Santa Catalina Island 200 Comment
  SD139339  Deinandra clementina Jon Rebman, Jonathan Dunn 1996-4-29 3117 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 24 Comment
  SD85067  Deinandra clementina E. R. Blakley 1962-6-9 5189 Los Angeles San Clemente Island; China Point Comment
  UC1478699  Deinandra fasciculata Larry DeBuhr 1977-4-16 2658 Los Angeles coastal bluffs around Little and Shark Harbours; Santa Catalina Island Comment
  CAS-BOT-BC299266  Deinandra fasciculata Tim Ross 1992-6-15 6590 Los Angeles Ridgetop between two un-named canyons that drain ENE toward Orange Grove Avenue in Hacienda Heights, Whitteier Hills (local name for the western extremity of the Puente Hills) 321 Comment
  SBBG98577  Deinandra fasciculata T. Ross, A. Ross 1991-6-3 5537 Los Angeles Elephant Hill, W Pomona, descending from the E ridge summit 304 Comment
  UC480891  Deinandra fasciculata Katharine Brandegee Los Angeles Redondo Comment
  CHSC92949  Delairea odorata John Dittes; Eva Dittes 2005-12-30 1303 Los Angeles South Coast; Santa Monica Mtns.; Topanga Cyn; ca. 2.2 air-miles N of intersection of Topanga Cyn Road and Pacific Coast Hwy (State Hwy 1), ca. 1.6 air-miles southeast of intersection of Topanga Cyn Road and Old Topanga Cyn Road, ca. 1.5 air-miles W of Santa Ynez Canyon; slope on W side of Topanga Cyn Road. 129 Comment
  CAS-BOT-BC33197  Delphinium inflexum Anstruther Davidson 1927-5-1 3641 Los Angeles San Gabriel Mts. Fish Canyon. Comment
  POM316456  Delphinium parryi Gordon Pilone 1962-6-24 505 Los Angeles 1 mile W of Topanga Canyon Road on [Robinson?] Road 305 Comment
  RSA131040  Delphinium parryi Percy C. Everett, E. K. Balls 1959-6-2 23833 Los Angeles 1 mi NE of entrance to Stokes Canyon, Santa Monica Mts. 229 Comment
  RSA715157  Delphinium parryi A. C. Sanders, Tricia Wotipka, Mark Elvin 2003-4-29 26151 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east of Lake Hughes Rd. 488 Comment
  SD215634  Delphinium parryi Steve Boyd, Lauren Raz & Timothy S. Ross 1997-4-1 9491 Los Angeles Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines 792 Comment
  UCR142072  Delphinium parryi A. C. Sanders, Mark A. Elvin, et al 2003-5-1 26270 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  POM123107  Delphinium patens subsp. hepaticoideum Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  UCD96565  Delphinium patens subsp. hepaticoideum Geoffrey Levin 1974-4-27 62 Los Angeles Evey Canyon, a side canyon of San Antonio Canyon. 731 Comment
  SD85160  Dendromecon harfordii E. R. Blakley 1962-10-3 5387 Los Angeles Santa Catalina Island; face of rocky road-cut, start of road to Whites Landing, east side of Blackjack Mountain. 410 Comment
  SDSU19963  Dendromecon rigida Steve Bullock 1972-5-8 257 Los Angeles Santa Monica Mountains, Saddle Peak, 3/4 mile below saddle on stunt road, southeast exposure. 844 Comment
  SDSU802  Dendromecon rigida Gerald Collier 1951-4-24 M 180 Los Angeles 10 miles south of Gorman along US HWY 99. Comment
  RSA0034891  Dendromecon rigida Carol Haines 1964-3-15 59 Los Angeles Fernwood Pacific, Topanga, Santa Monica Mts. 426 Comment
  UCR231913  Deschampsia danthonioides Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8027 Los Angeles Mojave Desert, Antelope Valley, N of Lancaster, where Amargosa Creek jct of Sierra Highway and Avenue E, c. 150 m W of Hwy and just S of Ave E 701 Comment
  JEPS53457  Descurainia pinnata subsp. glabra W. L. Jepson 1935-4-17 17043 Los Angeles 6.5 mi w Lancaster 731 Comment
  CATA2487  Desmazeria rigida Martin A. Piehl 1962-10-3 62501 Los Angeles Santa Catalina Island: Dry clayey soil at margin of Echo Lake 0 Comment
  POM97782  Dicentra chrysantha Marcus E. Jones 1903-6-28 s.n. Los Angeles Mountains near Pasadena Comment
  CAS-BOT-BC402523  Dicentra ochroleuca Peter H. Raven 1960-4-2 14859 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mulholland Drive 1.5 miles east of Los [Las] Virgenes Road 213 Comment
  SD44661  Dicentra ochroleuca Darley F. Howe 1951-4-6 2084 Los Angeles Decker Mulholland Road, ca., 5.0 miles northwest of Malibu, Santa Monica Mountains. 395 Comment
  UC1871177  Dichelostemma capitatum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4818 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UCR108286  Dichelostemma capitatum Matilda Low 1997-3-16 21 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges). NW corner of Mills Ave & Foothill Blvd. 412 Comment
  RSA712708  Dichelostemma capitatum subsp. capitatum A. C. Sanders 2003-3-14 25755 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. 159 Comment
  POM169659  Dichelostemma capitatum subsp. capitatum C. F. Baker 1904-3-18 4061 Los Angeles Claremont. 365 Comment
  RSA52500  Dichelostemma capitatum subsp. capitatum I. L. Wiggins 1949-2-22 11959 Los Angeles Northern end of San Clemente Island Comment
  UC29824  Dieteria asteroides var. asteroides J. Burtt Davy 1893-11-1 Los Angeles U. C. Botanic Garden Comment
  CAS-BOT-BC150660  Diplacus longiflorus Peter H. Raven 1959-5-9 14167 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  CAS-BOT-BC150850  Diplacus puniceus Huron H. Smith 1912-6-14 5107 Los Angeles Silver Canyon, Santa Catalina Isl. 487 Comment
  SBBG113263  Diplacus puniceus S. A. Junak 1997-3-28 SCa 386 Los Angeles Avalon Cyn along lower end of Hermit Gulch Trail, just uphill from Crk crossing 137 Comment
  CAS-BOT-BC43562  Diplotaxis tenuifolia A. Davidson 1893-8-2 s.n. Los Angeles Los Angeles. Comment
  RSA596473  Diplotaxis tenuifolia L. C. Wheeler 1945-8-26 6099 Los Angeles Alhambra. West Main Street. Dry, sunny electric railway right of way. Comment
  RSA725591  Dodecatheon clevelandii subsp. insulare Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 411 Los Angeles Santa Catalina Island. Boushay Canyon below Silver Peak Road. 356 Comment
  UCR3770  Dodecatheon clevelandii subsp. insulare O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  NY324342  Dondia taxifolia L. Abrams 1902-6-9 2490 Los Angeles Playa del Rey Comment
  CAS-BOT-BC435201  Drosanthemum floribundum A. C. Sanders 1986-7-30 6803 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  CAS-BOT-BC67948  Dryopteris arguta Marcus E. Jones 1882-11-28 3032 Los Angeles Pasadena Comment
  SD69632  Dryopteris arguta Robert F. Thorne, P. Everett 1965-5-12 34607 Los Angeles Santa Catalina Island, Bulrush Canyon 245 Comment
  RSA85045  Dryopteris arguta F. W. Peirson 1919-12-2 1506 Los Angeles West Fork of Rubio Canyon, south base of San Gabriel Mtns 762 Comment
  UC1543917  Dudleya Peter H. Raven and David Verity 1960-5-7 15333 Los Angeles at mouth Big Sycamore Canyon; Santa Monica Mtns; (Lat. N. 34 degrees; Long. 118 to 119 degrees W.) 22 Comment
  RSA0065456  Dudleya abramsii Peter Gail 1961-05 s.n. Los Angeles Glendora Mountain Road, N. of Glendora. Comment
  UC792928  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1948-6-8 3086 Los Angeles Mouth of Winter Canyon Malibu Beach (Malibu Beach) 76 Comment
  SD116677  Dudleya cymosa subsp. crebrifolia K. Nakai 1981-6-24 775 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of canyon. 395 Comment
  CAS-BOT-BC428126  Dudleya cymosa subsp. cymosa Le Roy Abrams; E. A. McGregor 1908-7-3 603 Los Angeles North Baldy Mountain, San Gabriel Mountains Comment
  CAS-BOT-BC109681  Dudleya cymosa subsp. marcescens K. Nakai; B. Broadbent 1980-5-4 595 Los Angeles Santa Monica Mountains, Malibue Creek State Park, ca. 1375 m southeast of the junction of Cornell Road and Mulholland Highway along Malibu Creek. 250 Comment
  RSA638947  Dudleya lanceolata L. C. Wheeler 1967-5-15 9568 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  UCR216455  Dudleya lanceolata Nolan M. Ung 2008-5-26 035 Los Angeles San Gabriel Mountains, San Antonio Canyon above Upland, south of Mt. Baldy Village at Angeles National Forest fire station, just north of Shinn Rd., near San Bernardino Co. line 762 Comment
  LA104983  Dudleya lanceolata K. Nakai; 1981-7-4 787 Los Angeles San Gabriel Mountains, 0.2 mi W of Clear Creek 320 Comment
  RSA598228  Dudleya virens James C. Dice 1983-6-7 351 Los Angeles Point Vicente, 0.4 km east of lighthouse, along south edge of Palos Vedes Drive South 67 Comment
  CAS-BOT-BC109756  Dudleya virens subsp. insularis Alice Eastwood 1917-7-20 6489 Los Angeles Santa Catalina Island. Comment
  UCR129649  Dudleya virens subsp. insularis Reid Moran 1941-5-27 874 Los Angeles Palos Verdes Peninsula, 0.25 mi. east of Point Vicente 20 Comment
  UCR256192  Dysphania botrys R. G. Swinney 2010-6-4 13057 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR231073  Dysphania multifida Dan S. Cooper 2011-9-13 s.n. Los Angeles South Coast, southeastern Hollywood, Fountain Ave. at Western Ave. 105 Comment
  CDA1984  Echinochloa colona L. C. Wheeler 1970-10-15 s.n. Los Angeles Los Angeles: Huntington Drive and Collis Avenue. 0 Comment
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Oct 17 2014
  PASA1873  Echinocystis macrocarpa Sally Ellis 1946-3-25 Los Angeles Claremont Comment
  UC1537372  Ehrendorferia chrysantha Gordon H. True Jr. 1935-5-16 299 Los Angeles Bouquet Canyon Comment
  RSA65627  Elatine brachysperma F. W. Peirson 1921-6-19 2470 Los Angeles Crystal Lake, North Fork San Gabriel River 1676 Comment
  UCR187244  Eleocharis A. C. Sanders 2006-5-16 32333 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  SBBG31400  Eleocharis macrostachya R. F. Thorne 1966-4-7 35979 Los Angeles one of upper small ponds near Arrow Pt 60 Comment
  UCR204876  Eleocharis macrostachya R. G. Swinney 2005-8-9 8403 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  SEINET3911387  Eleocharis montevidensis Timothy S. Ross, Steve Boyd 1994-5-24 7839 Los Angeles Cottonwoodd Swamp': confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. Warm Springs Mountain 7.5' USGS Quadrangle. dissected by San Francisquito canyon Road.; 0 512 Comment
  RSA365443  Eleocharis montevidensis var. montevidensis H. L. Bauer 1929-09 382 Los Angeles Long Beach. 30 Comment
  RSA610732  Eleocharis parishii L. C. Wheeler 1932-9-20 1405 Los Angeles Los Angeles R. [river] at Los Feliz Boulevard. Alt. 400 ft. 122 Comment
  RSA0112520  Elymus Richard G. Swinney 2010-9-30 13926 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  CAS-BOT-BC227500  Elymus elymoides A. D. E. Elmer 1902-6-1 4166 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC207375  Elymus elymoides subsp. elymoides Timothy S. Ross 1991-4-28 4734 Los Angeles Black Butte Basin Road at its intersection with Avenue 'U', NW corner, 0.85 mile and ca 152 deg. SW of Three Sisters buttes, Mojave Desert 960 Comment
  POM365343  Elymus glaucus Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  UCD169402  Elymus glaucus R. G. Swinney 2008-7-2 9133 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  UCR125958  Elymus glaucus A. C. Sanders, Mark Elvin 2002-6-19 25151 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR126848  Elymus glaucus A. C. Sanders, Mark A. Elvin 2003-6-18 26961 Los Angeles Santa Susana Mountains, Western Transverse Range, private dirt road along crest of range, above Salt Canyon 976 Comment
  UCR259591  Elymus glaucus R. G. Swinney 2010-9-7 13730 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
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Oct 27 2020
  RSA603785  Elymus glaucus subsp. glaucus L. C. Wheeler 1948-6-17 6657 Los Angeles San Gabriel Mountains: West side Big Santa Anita Canyon, ca. 0.5 mile S of West Fork. Comment
  RSA401542  Emmenanthe penduliflora C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  RSA401552  Emmenanthe penduliflora var. penduliflora L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest Comment
  RSA640378  Encelia actoni L. C. Wheeler 1967-5-23 9688 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon 579 Comment
  CLARK-A1528-1807  Encelia californica John C. Roos 1946-10-12 3130 Los Angeles Los Angeles Comment
  UC54182  Encelia californica W. A. Setchell 1901-3-13 Los Angeles Elysian Park Los Angeles, Elysian Park Comment
  CAS-BOT-BC140531  Encelia farinosa A. C. Sanders 2003-3-14 25751 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 560 Comment
  RSA226023  Ephedra nevadensis Robert F. Thorne, Dick Tilforth 1971-6-29 40689 Los Angeles San Gabriel Mts., Angeles National Forest: N slope San Gabriel Mts., ca. 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. 854 Comment
  RSA383901  Ephedra nevadensis M. Maslow 1968-3-10 11 Los Angeles Mohave Desert. 1.1 miles east of Pearblossom, off of Calif. Hwy. 118 [138] 312 Comment
  UCR241034  Ephedra nevadensis Nathan Moorhatch 2013-4-17 s.n. Los Angeles Mojave Desert, near Duncan Road east of Desert Ranch Rd. and west of Johnson Rd., 0.57 mi east of Sheep Creek Road 1108 Comment
  POM17987  Ephedra viridis Philip A. Munz 1923-5-27 6876 Los Angeles Rock Creek; San Gabriel Mts 1296 Comment
  RSA748909  Ephedra viridis R. G. Swinney 2008-5-2 8735 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR153371  Ephedra viridis L. C. Wheeler 1967-5-31 9800 Los Angeles Transverse Ranges: San Gabriel Mountains region, San Gabriel Mtns: Sycamore Flat Campground, Big Rock Creek Comment
  UCR126332  Epilobium canum A. C. Sanders 2003-8-5 27109 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  RSA272051  Epilobium canum subsp. canum Arthur L. Cohen 1934-8-2 489 Los Angeles Beverly Drive, Santa Monica. 61 Comment
  SD44622  Epilobium canum subsp. canum Darley F. Howe Oct 1951 2162 Los Angeles Mandeville Canyon; Santa Monica Mountains. Comment
  CAS-BOT-BC171920  Epilobium canum subsp. latifolium Fordyce Grinnell 1916-9-2 s.n. Los Angeles Near Pasadena, San Gabriel Mts. Comment
  RSA448518  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-9-20 153 Los Angeles Barret Canyon off San Antonio Canyon, San Gabriel Mountains 1311 Comment
  UCR209139  Epilobium ciliatum R. G. Swinney 2008-6-24 9092 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR219434  Epilobium ciliatum R. G. Swinney 2009-3-28 10184 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  RSA9806  Epilobium ciliatum subsp. ciliatum Fay A. MacFadden 1931-4-10 2579 Los Angeles Tejunga [Tujunga] Canyon. A few trees near the stream. 396 Comment
  UC1586189  Epilobium densiflorum Tim Ross 1991-8-16 5824 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad (sandy bed of dry stream depression) 1719 Comment
  UCR209645  Epilobium glaberrimum R. G. Swinney 2008-7-2 9122 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR194171  Epipactis gigantea R. G. Swinney 1998-7-24 6558 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR207972  Epipactis gigantea I. M. Johnston 1917-7-20 1746 Los Angeles Transverse Range; San Gabriel Mtns., Camp Baldy [= Mt. Baldy Village] 1220 Comment
  UCR129827  Equisetum hyemale subsp. affine L. C. Wheeler 1931-9-27 161 Los Angeles San Gabriel Mtns., San Dimas Canyon 686 Comment
  UCD135426  Equisetum hyemale subsp. affine Kenneth A. Wilson 1961-3-14 1031 Los Angeles Santa Monica Mtns., Mulholland Hwy, 2 miles west of Sulphur Hot Springs. Comment
  RSA639360  Equisetum laevigatum L. C. Wheeler 1932-9-19 1384 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  SBBG27543  Equisetum laevigatum L. C. Wheeler 1932-7-2 890 Los Angeles San Dimas Cyn 457 Comment
  POM211417  Equisetum laevigatum L. C. Wheeler 1933-10-7 2167 Los Angeles Dry sunny bank with underground water. Liveoak Canyon, San Gabriel Mts. 762 Comment
  POM959  Equisetum laevigatum I. M. Johnston 1917-5-13 27 Q Los Angeles El Monte 106 Comment
  RSA0073115  Equisetum telmateia subsp. braunii Mark L. Hoefs 1995-5-23 2075 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, near road to Bulrush Canyon. 116 Comment
  CAS-BOT-BC284128  Eragrostis pectinacea var. pectinacea Peter H. Raven 1961-9-24 16752 Los Angeles Bouquet Reservoir 914 Comment
  SEINET10662326  Eragrostis tef Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2638 Los Angeles City of Pasadena. Wild Oats Market, 603 S. Lake. Comment
  RSA535310  Eremocarpus setiger T. S. Ross 1991-5-21 5375 Los Angeles San Clemente Island: recent burn between Box and Horse Canyons; 1.2 - 1.25 miles SSW from north-south axis road separating just NW of Thirst. (just NE of small knoll). 483 Comment
  OBI28061  Eremothera David J. Keil, Dirk Walters 1977-4-30 12301 Los Angeles Ridge Rte ca 2 mi S of jctn with Los Angeles Co Rd N-2 1280 Comment
  CAS-BOT-BC162975  Eremothera boothii subsp. decorticans E. R. Blakley 1958-5-9 B- 2272 Los Angeles Hills two miles east of Gorman and north of State Hwy. 138. 1097 Comment
  RSA0121287  Eriastrum sapphirinum subsp. dasyanthum George B. Grant s.n. Los Angeles Santa Monica Range. Comment
  RSA0124687  Eriastrum sparsiflorum Steve Boyd, Lauren Raz 1997-6-17 9951 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A. 1646 Comment
  UCR271159  Ericameria cuneata R. G. Swinney 2011-11-1 15976 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, 70-200 meters west (upstream) from confluence with North Fork, south side of FS Rd 2N25/W. Fork Scenic Bikeway 476 Comment
  JEPS31285  Ericameria linearifolia I. W. Clokey and B. C. Templeton 1930-4-8 4717 Los Angeles San Francisquito Canyon 700 Comment
  POM359396  Ericameria linearifolia B. C. Templeton 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  SBBG62625  Ericameria linearifolia R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  UCR102530  Ericameria linearifolia George K. Helmkamp, E. A. Helmkamp 1997-3-6 1356 Los Angeles Tehachapi Mtns., Hills south of Gorman. Along Gorman Post Rd c. 1.1 mi. NW of Calif. Hwy 138 1128 Comment
  RSA716356  Ericameria linearifolia Andrea Edwards, Pam De Vries 2006-4-11 98 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SEINET4560563  Ericameria nauseosa R. G. Swinney 2009-1 11600 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr. Canyon, N. of Mt Emma Rd. 908 Comment
  RSA0081636  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-9-9 13750 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA0022258  Ericameria nauseosa var. bernardina Duncan S. Bell, Caitlin Elam 2013-8-1 5548 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  CAS-BOT-BC298055  Ericameria nauseosa var. mohavensis Eugene Wells 1909-11-27 s.n. Los Angeles Lancaster Comment
  SBBG62922  Ericameria nauseosa var. mohavensis C. M. Hoak, M. N. Ackley 1930-9-21 1180 Los Angeles Valley Forge 1036 Comment
  CAS-BOT-BC299525  Ericameria palmeri var. pachylepis John Thomas Howell 1927-11-13 3204 Los Angeles 3/4 mile south of Elizabeth Lake, Liebre Mts. 1005 Comment
  JEPS30523  Ericameria palmeri var. pachylepis Peter H. Raven and Henry J. Thompson 1959-10-18 14687 Los Angeles Potrero Road 6.1 mi e of junction with Lewis Road; Santa Monica Mountains 152 Comment
  LA103318  Ericameria palmeri var. pachylepis Jonathan Sauer; Walt Westman 1976-12-23 5919 Los Angeles Oak Spring Canyon, near Saugus Comment
  POM359438  Ericameria palmeri var. pachylepis E. A. Purer 1933-10-7 5583 Los Angeles El Segundo. Comment
  RSA381398  Ericameria palmeri var. pachylepis R. F. Thorne 1967-1 41657 Los Angeles Santa Catalina Island: Skull Canyon Comment
  UC1118787  Ericameria palmeri var. pachylepis P. L. Johannsen 1934-2-8 271 Los Angeles Saugus Santa Susana Quadrangle Comment
  UC55084  Ericameria palmeri var. pachylepis Miss E. D. Palmer Los Angeles Los Angeles Comment
  JEPS30502  Ericameria parishii var. parishii Peter H. Raven and Henry J. Thompson 1959-10-31 14722 Los Angeles 5.8 mi n Sunset Boulevard; Santa Monica Mountains, Mandeville Canyon 365 Comment
  RSA3305  Ericameria pinifolia C. B. Wolf 1931-10-20 2465 Los Angeles 1/2 mile above Montrose, on road from Tujunga to La Canada 457 Comment
  SBBG62798  Ericameria pinifolia S. W. Hutchinson, M. N. Ackley 1928-9-22 430 Los Angeles Mint Cyn 396 Comment
  UC1118813  Ericameria pinifolia A. Lewis 1933-5-1 3074 Los Angeles Spunky Canyon Angeles National Forest, Elizabeth Quad., Spunky Canyon 914 Comment
  RSA141590  Ericameria pinifolia E. K. Balls 1960-10-27 24315 Los Angeles Volunteer in Rancho Santa Ana Botanic Garden, Claremont. 396 Comment
  PASA1729  Erigeron foliosus Theodore Hayes Los Angeles Arroyo Seco Comment
  RSA588870  Erigeron foliosus var. foliosus Orlando Mistretta 1994-9-21 1495 Los Angeles San Gabriel Mtns., Santiago Canyon, At jct. of Forest Rd. 4N20 with Santiago Creek. 1280 Comment
  UCR199598  Erigeron foliosus var. foliosus Scott D. White, J. Wood 2008-5-8 11945 Los Angeles Puente/Chino Hills, SCE powerline corridor, east of Fullerton Road and south of Pathfinder, above Rowland Heights 305 Comment
  CAS-BOT-BC296175  Erigeron foliosus var. foliosus Geo. B. Grant 1904-6-14 6303 Los Angeles Sand Pit Canyon, Monrovia Comment
  POM357485  Erigeron foliosus var. foliosus Erwin Miller 1934-6-30 19117 Los Angeles San Gabriel Mountains. Comment
  UCR281722  Erigeron foliosus var. franciscensis Neil Uelman 2017-6-23 s.n. Los Angeles Palos Verdes Peninsula, Malaga Canyon, along Malaga Canyon Trail 189 Comment
  HSC13530  Eriodictyon crassifolium C. E. Fellows 1965-4-15 27 Los Angeles 1 mile NW of Sunland city limits where Hwy. 118 crosses Tujunga Wash Comment
  LA205574  Eriodictyon crassifolium Jonathan Sauer; R. Gibson 1971-5-1 4904 Los Angeles Elderberry Canyon, siteof future Castaic Reservoir Comment
  RSA578632  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd 1994-7-7 8166 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
  UCD119242  Eriodictyon crassifolium var. nigrescens A. C. Sanders; Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26199 Los Angeles Western San Gabriel Mtns.: Castaic Valley at west foot of Castaic Mesa, Newhall Ranch. 366 Comment
  CAS-BOT-BC188960  Eriodictyon parryi Le Roy Abrams; E. A. McGregor 1908-6-19 386 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  CAS-BOT-BC188090  Eriodictyon traskiae E. R. Blakley 1962-10-5 5430 Los Angeles Ne side of Black Jack Moutain, at junction of Island Road and White's Landing Road, Santa Catalina Island 381 Comment
  SD146247  Eriodictyon trichocalyx A. C. Sanders, D. Malueg 1998-6-24 22077 Los Angeles San Gabriel Mountains: 2 miles E of Mt Gleason at Little Gleason Forestry Plantation, on S. Cal. Edison Mesa-Vicent transmission line at tower 7-2 (Acton 7.5'Q) 1707 Comment
  POM184770  Eriodictyon trichocalyx var. trichocalyx P. A. Munz 1932-5-17 12643 Los Angeles 1 mile north of Claremont. 396 Comment
  RSA607038  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1932-7-2 907 Los Angeles Browns Flat, San Gabriel Mts. 1311 Comment
  RSA771848  Eriogonum R. G. Swinney 2009-5-27 10909 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  CAS-BOT-BC248473  Eriogonum angulosum Clare B. Hardham 1966-5-7 14151 Los Angeles Near Gorman 1219 Comment
  UC545884  Eriogonum angulosum Carl B. Wolf 1932-10-21 4362 Los Angeles 1/2 mi e Palmdale; Mojave Desert 1112 Comment
  UCSB1379  Eriogonum angulosum 1937-10-15 Los Angeles Mint Cnyn. Rd. near "Y" near Palmdale Comment
  CAS-BOT-BC241575  Eriogonum baileyi var. baileyi H. E. Hasse 1893-8-1 s.n. Los Angeles Acton Comment
  RSA506846  Eriogonum baileyi var. baileyi James L. Reveal, Barbara J. Ertter 1976-6-28 4553 Los Angeles San Gabriel Mountains: Angeles Forest Highway (CA Hwy N-3) in Kentucky Canyon, 4.0 miles S of CA Hwy 14 and 3.3 miles N of the Aliso Canyon Road. 1067 Comment
  SBBG33438  Eriogonum brachyanthum A. D. E. Elmer -Jun-1902 3688 Los Angeles Acton Comment
  CAS-BOT-BC241893  Eriogonum cinereum A. C. Sanders; Karen Kirtland 2010-5-14 38349 Los Angeles South Coast: Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  UCR17823  Eriogonum cinereum A. C. Sanders 1976-3-10 550 Los Angeles Southern coast, Palos Verdes Peninsula Comment
  RSA229069  Eriogonum cithariforme var. agninum Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38909 Los Angeles San Gabriel Mountains, Angeles National Forest: S slope Table Mountain above Big Pines 2119 Comment
  UCR275526  Eriogonum davidsonii D. E. Bramlet 2011-8-13 4947 Los Angeles San Gabriel Mountains, Mt. Gleason, along Mt. Gleason Rd./ Forest Serv. Rd 3N17 1944 Comment
  LA52304  Eriogonum elongatum var. elongatum H. P. Bracelin; 1931-10-11 571 Los Angeles Comment
  RSA305709  Eriogonum fasciculatum Mark Hoefs 1973-7-13 351 Los Angeles Santa Catalina Island. Between airport and Escondido. Southeast side of Main Rd. 267 Comment
  SDSU6546  Eriogonum fasciculatum H. Wedberg 1966-4-3 1210 Los Angeles Above Hill Dr. and Neal, i nEagle Rock. 457 Comment
  UCR155126  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2005-5-5 29924 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  UCR258559  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13013 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  CAS-BOT-BC253277  Eriogonum fasciculatum var. foliolosum Ernest C. Twisselmann 1961-10-31 6680 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  RSA393412  Eriogonum fasciculatum var. foliolosum Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  CAS-BOT-BC250103  Eriogonum fasciculatum var. polifolium Le Roy Abrams; E. A. McGregor 1908-7-2 549 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  CAS-BOT-BC250116  Eriogonum fasciculatum var. polifolium H. E. Hasse 1893-5-25 s.n. Los Angeles Acton Comment
  SD114056  Eriogonum giganteum Darley F. Howe 1953-4-2 2433 Los Angeles Wain Canyon, Santa Catalina Island Comment
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Jun 10 2014
  UC849438  Eriogonum giganteum Carl B. Wolf 1932-10-4 4226 Los Angeles above Amphitheatre; Santa Catalina Island, Avalon 30 Comment
  RSA139588  Eriogonum giganteum var. formosum Reid V. Moran 1958-9-16 6843 Los Angeles San Clemente Island, 2 miles SE of Eel Point 100 Comment
  SBBG108938  Eriogonum giganteum var. formosum S. A. Junak 1996-9-28 SCl 674 Los Angeles W side of island in Box Cyn, ca. 0.5 mi downstream from Triangulation Pt "Snapper" 323 Comment
  SD85199  Eriogonum giganteum var. giganteum E. R. Blakley 1962-10-3 5375 Los Angeles Common, sun, rocky clay soil, banks around Wrigley Reservoir, summit of island road. Santa Catalina Island 424 Comment
  UC1872969  Eriogonum giganteum var. giganteum John Knapp, Denise Knapp 2003-4-13 10 Los Angeles Catalina Island Comment
  RSA766310  Eriogonum gracile Joseph A. Ewan 1931-10-11 5243 Los Angeles Sepulveda Canyon Rd. N of Mulholland. 244 Comment
  UCR45205  Eriogonum gracile A. C. Sanders 1986-7-30 6818 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  CAS-BOT-BC253466  Eriogonum gracile Timothy S. Ross 1991-11-15 s.n. Los Angeles Slope on the NW side of Indian Hill Mesa (i.e., The Back 40), RSABG grounds, Claremont 417 Comment
  JEPS97033  Eriogonum gracillimum Ralph Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UC483200  Eriogonum grande var. grande L. R. Abrams and I. L. Wiggins 1931-7-6 356 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  SBBG61819  Eriogonum maculatum R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UC634603  Eriogonum maculatum Margaret Stason 1927-5-15 Los Angeles Pinon Ridge San Gabriel Mts., Pinon Ridge Comment
  RSA0005072  Eriogonum microtheca var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles San Antonio Mts., west spur of Baldy. 2744 Comment
  SD239857  Eriogonum microthecum R. G. Swinney 2008-7-16 9262 Los Angeles San Gabriel Mtns.: Little Rock Creek, 0.1 mi north of its confluence with Cooper Canyon, on the Burkhart Trail. 1741 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
  UCR205254  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2005-8-17 8493 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
  UCR223699  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2009-6-24 11246 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  JEPS56588  Eriogonum nudum var. pauciflorum Frank W. Peirson 1918-8-17 20 Los Angeles San Antonio Canyon San Gabriel Mts. 1676 Comment
  RSA766129  Eriogonum nudum var. pauciflorum Joseph A. Ewan 1936-7-29 9856 Los Angeles Sw. slope of Table Mt. San Gabriel Mts. 2134 Comment
  CAS-BOT-BC269773  Eriogonum nudum var. pauciflorum James L. Reveal; Barbara J. Ertter 1976-6-28 4557 Los Angeles San Gabriel Mountains, along the road from Mill Creek Summit to Mt. Gleason, 1.1 mile northwest of Mill Creek Summit 1615 Comment
  UCR259395  Eriogonum nudum var. pubiflorum R. G. Swinney 2010-9-9 13734 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA783172  Eriogonum parishii Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 399 Los Angeles Road 7N23, Liebre Mountains 1501 Comment
  UCR85824  Eriogonum parishii T. S. Ross 1991-8-16 5863 Los Angeles San Gabriel Mtns, Horse Flats (S end) 1741 Comment
  LA30859  Eriogonum parvifolium Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 Los Angeles Point Dume Comment
  RSA127986  Eriogonum parvifolium var. parvifolium H. J. Thompson 1958-10-23 1815 Los Angeles Point Dume. 30 Comment
  RSA0012046  Eriogonum pusillum R. G. Swinney 2009-4-29 10595 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCR222828  Eriogonum pusillum R. G. Swinney 2009-4-29 10595 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  SD219096  Eriogonum pusillum R. F. Thorne, Walter Wisura, et al. 1982-4-20 54982 Los Angeles San Gabriel Mountains; Mojave Desert slopes; 0.25-p.5 mile north of Bob's Gap, north slope of Holcomb Ridge, ca. 2.5 miles due south of Llano. 1157 Comment
  RSA755611  Eriogonum saxatile R. G. Swinney 2008-7-25 9313 Los Angeles Twin Peaks, west peak. 2299 Comment
  UCR194605  Eriogonum saxatile R. G. Swinney 1998-8-13 6741 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR223610  Eriogonum umbellatum var. munzii R. G. Swinney 2009-7-29 11438 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC265001  Eriogonum wrightii var. subscaposum F. Grinnell Jr. 1908-9-14 s.n. Los Angeles Mt. Wilson 1794 Comment
  POM122957  Eriogonum wrightii var. subscaposum Marcus E. Jones 1926-9-12 s.n. Los Angeles Swartout Valley. Comment
  CATA3235  Eriophyllum confertiflorum Julie L. King 2017-1-17 46 Los Angeles Santa Catalina Island: North side of West End Rd., 0.3 road miles southeast of eastern entrance to Emerald Bay 40 Comment
  POM305833  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1940-3-10 1083 Los Angeles N of Claremont. Comment
  POM4910  Eriophyllum confertiflorum G. R. Stephenson 1909-5-30 56 Los Angeles Claremont. Comment
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Oct 10 2009
  RSA658306  Eriophyllum confertiflorum D. Roche 1998-5-26 25 Los Angeles Mt. Baldy Road 1.3 miles from the intersection of Mills Ave. adn Mt. Baldy Rd. South side of the road. 579 Comment
  UCR127188  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 396 Comment
  UCR194012B  Eriophyllum confertiflorum R. G. Swinney 1999-6-5 7250 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR68912  Eriophyllum confertiflorum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4244 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  LA203579  Eriophyllum confertiflorum var. confertiflorum Victor Duran; 1933-7-8 3502 Los Angeles San Gabriel Mountains, Horse Flats 1676 Comment
  LA91470  Eriophyllum confertiflorum var. confertiflorum Bruce Douglas Clayton; Greg Clayton 1972-4-4 70 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, At upper canyon entrance of Temescal and Rustic Canyons 566 Comment
  RSA547471  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Orlando Mistretta 1992-7-24 6766 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  SBBG17979  Eriophyllum confertiflorum var. confertiflorum E. R. Blakley 1963-4-9 5558 Los Angeles Pebbly Beach, S of Avalon 15 Comment
  SBBG96630  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-6 4159 Los Angeles Lemon Tank Cyn (used as dumping area) 274 Comment
  UCR188657  Erodium botrys R. G. Swinney 1990-3-24 1550 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  UC1587699  Erodium botrys Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-18 5170 Los Angeles 1100 ft ssw Twin Dams (nnw of Boulder marker (1850 ')); San Clemente Island 490 Comment
  UCSB3525  Erodium botrys 1940-5-13 Los Angeles San Dimas Exp. Forest; Glendora Ridge Truck Trail Comment
  UCR259943  Erodium cicutarium R. G. Swinney 2010-3-18 11979 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCR281998  Erodium cicutarium R. G. Swinney 2014-5-7 16417 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  RSA716363  Erodium cicutarium Andrea Edwards, Pam DeVries 2006-4-11 93 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UCR91360  Erodium moschatum Scott D. White 1995-3-15 2560 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  RSA654335  Erodium moschatum Benjamen Rangel 1992-4-11 777 -03 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
  UCR205095  Erysimum capitatum R. G. Swinney 2008-4-11 8657 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR205457  Erysimum capitatum R. G. Swinney 2008-5-2 8734 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA530290  Erysimum capitatum var. capitatum T. W. Minthorn 1923-4-3 s.n. Los Angeles Pacoima Wash, foothills 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
  RSA0076235  Erythranthe rubella R. G. Swinney 2008-6-4 8925 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  SBBG119272  Eschscholzia caespitosa O. Mistretta 1995-6-23 1845 Los Angeles Lookout Mtn Trail 1463 Comment
  SEINET6911602  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1955-3-26 3487 Los Angeles Antelope Valley east of Fairmont on 110th Street. "Gilia expanse" east side of road in field. Comment
  UCR152881  Eschscholzia californica A. C. Sanders, Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC403189  Eschscholzia californica Timothy S. Ross; Steve Boyd 1994-5-4 7652 Los Angeles Liebre Mountains. Grass Mountain: gradual, grassy slope of easterly exposure, ca 70 m ENE of the summit 1391 Comment
  RSA658411  Eschscholzia californica Erinn Wilson 1996-5-18 28 Los Angeles found off j lot [Cal Poly Pomona, parking] Comment
  UCSB2177  Eschscholzia californica Wedberg, Lee 1954-5-23 Los Angeles Santa Monica 30 Comment
  RSA3696  Eschscholzia californica var. peninsularis Carl B. Wolf 1932-5-10 3542 Los Angeles Along the ridge SE of the Golf links Avalon, santa Catalina Island 274 Comment
  RSA509531  Eschscholzia californica var. peninsularis S. J. Myers, Ed LaRue 1989-3-27 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. San Andreas rift zone bisects the site. 884 Comment
  POM158272  Eschscholzia californica var. peninsularis M. B. Dunkle 1928-5-27 1983 Los Angeles Hamilton Canyon; San Clemente Island 15 Comment
  RSA316363  Eschscholzia minutiflora Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54987 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  UCR190462  Eschscholzia minutiflora R. G. Swinney 2001-4-18 7887 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  SBBG112771  Eschscholzia ramosa S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 516 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  CHSC98721  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges; Santa Susana Mountains; Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road, climbs to main crest. Next to old foundation, off of old motorway. 610 Comment
  UCR281335  Eucrypta chrysanthemifolia var. chrysanthemifolia R. G. Swinney 2014-5-21 16627 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
  LA200686  Eulobus californicus W. O. Griesel; 1936-3-29 sn Los Angeles Santa Monica Mountains, Mulholland Drive near Sepulveda Way 396 Comment
  UCR153575  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2005-4-26 29715 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  SD69023  Euphorbia peplus Robert F. Thorne, B. Propst 1968-5-29 37702 Los Angeles Santa Catalina Island, bed of Hermit Gulch off Avalon Canyon 89 Comment
  RSA652508  Euphorbia peplus Jim Reutzel 1994-5-29 500 Los Angeles Cal Poly Pomona campus. Up behind the water tower on the closest hill in the northeast portion of the campus, near the university house. Hills behind the Cal poly Pomona Univ. campus. Comment
  SD69675  Euphorbia serpillifolia Robert F. Thorne, P. Everett 1965-6-23 34964 Los Angeles Santa Catalina Island Number 2 Reservoir upper part of Middle Ranch Canyon 299 Comment
  UCR205726  Euphorbia serpillifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37007 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UC57509  Euphorbia spathulata J. H. Barber 1897-6-2 163 Los Angeles Santa Monica Forestry Station Comment
  UCR205704  Euphorbia terracina A. C. Sanders, T. B. Salvato 2009-5-18 36808 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  RSA613503  Euthamia occidentalis L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  UCR119845  Festuca microstachys L. C. Wheeler 1967-5-24 9743 Los Angeles San Gabriel Mtns, Angeles National Forest, Indian Canyon, '2300 ft 488 Comment
  UCR90286  Festuca microstachys Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  UCR273183  Festuca myuros R. G. Swinney 2011-5-19 14758 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  UCR200018  Festuca myuros var. hirsuta Valerie Soza, Mariam Sidibeh 2003-3-26 1612 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  LA99130  Festuca octoflora R. L. Armacost; 1968-4-18 2357 Los Angeles 365 Comment
  RSA0061126  Festuca octoflora LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6830 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  CATA782  Festuca perennis Mark L. Hoefs 1991-6-5 1344 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  SD69693  Festuca perennis Robert F. Thorne 1966-5-31 36449 Los Angeles Santa Catalina Island: salina behind Little Harbor on beach at circa 15 feet elevation 4 Comment
  SBBG109001  Ficus carica S. A. Junak 1996-5-20 Los Angeles Mosquito Cove, just S of first gully S of main cyn 18 Comment
  UCR273276  Ficus carica R. G. Swinney 2011-10-25 15858 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
  RSA0040381  Filago californica R. G. Swinney 2010-5-11 12657 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  RSA393715  Filago californica M. B. Dunkle 1929-4-7 2103 Los Angeles White's Landing, Santa Catalina Island. Comment
  POM158118  Foeniculum vulgare L. R. Abrams 1902-8-26 2977 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA6049  Foeniculum vulgare C. B. Wolf 1932-10-3 4214 Los Angeles Santa Catalina Island. About 1 1/4 mile from Wrigley Drive on road to Renton Mine (head of right fork of Pebbly Beach canyon) 305 Comment
  RSA464873  Forestiera pubescens Anstruther Davidson 1898-07 s.n. Los Angeles Lancaster Comment
  UCR163335  Forestiera pubescens Anuja Parikh, Nathan Gale 2004-6-22 2062 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  LA212442  Frangula californica Vincent Arellano; 1980-6-2 41 Los Angeles 4 miles from bear divide road. Left side of road. 670 Comment
  SBBG71310  Frangula californica subsp. tomentella R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  UC455457  Frankenia salina I. J. Condit 1908-6-27 Los Angeles Catalina Island Comment
  UC1123346  Fraxinus dipetala G. T. Nordstrom 1935-3-24 407 Los Angeles 2.25 mi se Mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quad. 701 Comment
  UCR126833  Fraxinus uhdei A. C. Sanders, Mark A. Elvin 2002-8-26 25592 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 305 Comment
  UCR151014  Fraxinus uhdei Scott D. White 1997-5-7 5052 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  RSA69898  Fraxinus velutina var. coriacea F. W. Peirson 1921-6-20 2459 Los Angeles West fork of San Gabriel River 457 Comment
  UCR177732  Fraxinus velutina var. coriacea LeRoy Gross 2002-6-24 544 Los Angeles Transverse Ranges: Verdugo Mountains Region, along La Tuna Canyon Road 488 Comment
  SEINET10766868  Fremontodendron californicum George Yatskievych, Michael D. Windham; Fay, Wei Li 2011-5-12 Yatskievych 11 -15 Los Angeles Along dirt road (Big Rock Creek Road) to South Fork campground, heading S off Big Pines Highway, Angeles National Forest, N side of San Gabriel Mountains. 1254 Comment
  POM3369  Funastrum cynanchoides var. hartwegii I. M. Johnston 1918-5-15 s.n. Los Angeles Claremont. [Campus by Harwood Hall.] 366 Comment
  UCSB63432  Galenia pubescens var. pubescens Ekhoff, John 1992-6-12 Los Angeles Signal Hill: disturbed, undeveloped property along Hill Street in the two-block area between Stanley and Ohio Avenues. Long Beach USGS 7.5' topo; T4S R12W Sect 29 76 Comment
  POM367615  Galium T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA0081635  Galium angustifolium R. G. Swinney 2010-9-9 13749 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA584970  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-1 2759 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  RSA602320  Galium angustifolium subsp. angustifolium Steve D. Boyd, Lauren Raz 1997-6-17 9940 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  RSA729724  Galium angustifolium subsp. angustifolium R. G. Swinney 1999-6-18 7324 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  SBBG14287  Galium angustifolium subsp. angustifolium H. and M. Dearing 1944-10-5 5897 Los Angeles Charlton Flat Comment
  JEPS56059  Galium angustifolium subsp. gabrielense Clare B. Hardham 1966-7-29 14274 Los Angeles Sunset Mtn<?> Rd San Gabriel Mts., Evey <?> Canyon (head of canyon) 1615 Comment
  UC729798  Galium catalinense Carl B. Wolf 1932-5-11 3552 Los Angeles w side Isthmus Harbor; Santa Catalina Island 15 Comment
  SD86318  Galium catalinense subsp. acrispum R. Beauchamp, M. Douglas 1972-3-24 3219 Los Angeles On canyon cliff, San Clemente Island 99 Comment
  JEPS7419  Galium catalinense subsp. catalinense George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 490 -2282 Los Angeles Santa Catalina Island Comment
  SBBG119353  Galium grande V. Soza with M. Acosta 2001-6-20 1297 Los Angeles Van Tassel Ridge, S side of Van Tassel Ridge Rd (FS Rd 1N36A), ca. 0.2 mi E of jct with Van Tassel Truck Trail (FS Rd 1N36), E side of Mt Bliss (Azusa: 34 11'09.6"N, 117 56'46.6"W; T1N R10W S8, N/2, SE/4) 1037 Comment
  RSA682407  Galium grande Valerie L. Soza, Bill Hogshead 2003-5-6 1649 -a Los Angeles Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  UCR73389  Galium johnstonii T. S. Ross 1991-8-14 5743 Los Angeles San Gabriel Mtns, Granite Mountain, southeasterly slope 1887 Comment
  CATA1041  Galium nuttallii subsp. insulare Mark L. Hoefs 1995-5-10 1967 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  SBBG41336  Galium nuttallii subsp. insulare M. R. Benedict 1970-6-30 Los Angeles ca. 0.5 mi W of Eagles Nest Comment
  SD70517  Galium parishii F. Ehrendorfer 1959-6-14 5902 Los Angeles San Gabriel Mountains, hills about 2 miles north of Big Pines 1981 Comment
  RSA0085405  Galium porrigens Richard G. Swinney 2010-8-9 13467 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA599179  Galium porrigens Scott D. White 1997-3-12 4767 Los Angeles NW of Zuma Beach, Encinal Canyon Rd. between Pacific Coast Hwy and Mulholland Hwy. 305 Comment
  RSA527617  Galvezia speciosa Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-6 4161 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  UCR71325  Galvezia speciosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4430 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  UC175478  Gamochaeta pensylvanica A. Davidson, M. D. 1914-6-1 2973 Los Angeles Azusa Station 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
  RSA682125  Garrya flavescens var. pallida Valerie L. Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  RSA160557  Garrya veatchii J. D. Olmsted 1959-2-23 s.n. Los Angeles Blanchard Park, Pomona College Campus near Claremont, near E boundary LA, Foot of San Gabriel Mts. 366 Comment
  RSA604405  Garrya veatchii Louis C. Wheeler 1936-6-23 4175 Los Angeles San Dimas Canyon. 732 Comment
  UCR131599  Gastridium ventricosum L. C. Wheeler 1932-6-4 803 Los Angeles San Gabriel Mtns., Liveoak Canyon 518 Comment
  CDA5227  Gaura sinuata Dick Jones 1933-9-19 Los Angeles San Fernando Valley. 0 Comment
  RSA747192  Gayophytum R. G. Swinney 2008-6-10 8983 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  UC64308  Gayophytum diffusum subsp. parviflorum H. M. Hall Jun 3 1900-Jun 6 1900 1502 Los Angeles Swarthout Canyon San Antonio Mountains 1828 Comment
  UCR271736  Genista monspessulana R. G. Swinney 2011-3-26 14235 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR124476  Geranium californicum B. C. Templeton 1932-7-20 5018 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA773615  Gilia R. G. Swinney 2009-6-24 11241 Los Angeles summit of Granite Mountain 1988 Comment
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Dec 7 2018
  SDSU3050  Gilia achilleifolia subsp. multicaulis A. H. Gallup 1949-4-17 408 Los Angeles Lasca. 152 Comment
  CATA449  Gilia angelensis Sara L. Crockett 1997-3-18 589 Los Angeles Santa Catalina Island: Upper Cape Canyon, 1.0 mile NE on Cape Canyon Road from jct. with Middle Ranch Road; on slope adjacent to first side canyon S and W from jct. with Lower Cape Canyon Reservoir Road 304 Comment
  RSA611624  Gilia angelensis Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10106 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
  UCD117597  Gilia angelensis Dan Axelrod 1932-3-21 s.n. Los Angeles 10 miles north of San Fernando. Comment
  RSA526588  Gilia angelensis T. S. Ross 1991-3-24 4292 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridge and steep westerly slope above small canyon that drains northward to Turnbull Canyon from NW side of Workman Hill. 360 Comment
  RSA776387  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-14 5318 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  CAS-BOT-BC226325  Gilia latiflora subsp. davyi Louis C. Wheeler 1932-4-9 566 Los Angeles 4 mi. WSW Fairmont, Antelope Valley 914 Comment
  CAS-BOT-BC226331  Gilia latiflora subsp. davyi W. R. Dudley; F. H. Lamb 1896-6-8 4381 Los Angeles Kings Canyon, Liebre Mountains Comment
  CAS-BOT-BC226346  Gilia latiflora subsp. davyi Herbert L. Mason 1926-4-27 3060 Los Angeles Thirty miles west of Victorville, Mohave [Mojave] Desert Comment
  LA88523  Gilia latiflora subsp. davyi O. H. Kappler; 1946-4-13 1125 Los Angeles 4 mi S of Palmdale, Southern Antelope Valley 914 Comment
  UC1870216  Gilia latiflora subsp. excellens LeRoy Gross 2005-5-3 2211 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 1150 Comment
  CAS-BOT-BC226406  Gilia latiflora subsp. latiflora Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4787 Los Angeles Liebre Mountains. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna, NW Los Angeles County 1259 Comment
  POM280099  Gilia latiflora subsp. latiflora Lyman Benson 1932-3-25 3146 Los Angeles Little Rock. 762 Comment
  SD214607  Gilia latiflora subsp. latiflora Alva Grant 1955-4-7 9550 Los Angeles Mohave Desert between Palmdale and Lancaster Comment
  SD51882  Gilia nevinii Peter H. Raven 1962-4-9 17166 Los Angeles San Clemente Island. Side of small arroyo in rocky grassland above Wilson cove. 60 Comment
  UC1594349  Gilia nevinii Tim Ross and Amy Kendall 1992-4-15 6191 Los Angeles sw 'Ledge' (central upland portion of San Clemente Island, sw of 'Ledge' (1328' knoll w of Stone field station), 236 degrees sw, ca 170m distant from summit of 'Ledge'); central upland portion of San Clemente Island 393 Comment
  RSA660066  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1992-5-25 407 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  CAS-BOT-BC407854  Gilia ochroleuca subsp. ochroleuca Robert F. Thorne; G. Wallace 1973-4-25 43365 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4 mile N of Bob's Gap, 3.5 mile S of Llano, N slope of Holcomb Ridge 1188 Comment
  UCD15431  Gilia scopulorum S. Mason,; H. Mason, and C. Katzfey 1995-4-23 54 Los Angeles California, Los Angeles Co.; in the northern foothills of Transverse Range/Mojave Desert foothills near Little Rock; along Mt. Emma Road, 0.8 miles above Ft. Tejon Rd.; along the right side of the road in a road cut; 914 Comment
  UCR191197  Gilia splendens R. G. Swinney 1999-7-5 7529 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
  RSA783534  Gilia tricolor J. D. Olmsted 1958-4-26 114 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern boundary of LA Co. 366 Comment
  LA32023  Glebionis coronaria Peter H. Raven; Henry J. Thompson 1959-6-4 14325 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  POM358786  Gnaphalium californicum Fay A. MacFadden 1931-4-17 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA190992  Gnaphalium californicum R. F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 36734 Los Angeles Santa Catalina Island. Salta Verde, approx. N of Salta Verde Pt. 366 Comment
  RSA004471  Gnaphalium californicum Fay A. MacFadden 1931-4-17 2967 Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCR213410  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Dan S. Cooper 2010-3-12 37332 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA188128  Gnaphalium palustre R. F. Thorne 1966-4-28 36192 Los Angeles Santa Catalina Island: desiccated margin of Hay Press Reservoir 412 Comment
  UCR223029  Grayia spinosa R. G. Swinney 2009-4-29 10614 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCR138522  Grindelia camporum var. bracteosa L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns, Bluebird Truck Trail, near Big Dalton Canyon 732 Comment
  RSA545186  Guillenia lasiophylla Timothy S. Ross 1992-4-14 6165 Los Angeles San Clemente Island, central E side of island, mouth of Nancy Canyon 180 Comment
  RSA611008  Guillenia lasiophylla L. C. Wheeler 1968-5-25 s.n. Los Angeles Mesa W of Bear Creek. 548 Comment
  POM359198  Gutierrezia microcephala Anstruther Davidson 1897-09 2005 Los Angeles Little Rock Creek. Comment
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Sep 18 2014
  CAS-BOT-BC302126  Gutierrezia sarothrae Peter H. Raven; Henry J. Thompson 1959-9-18 14450 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). University of California, West Los Angeles 152 Comment
  CAS-BOT-BC302134  Gutierrezia sarothrae Le Roy Abrams 1902-7-5 1557 Los Angeles Azusa Comment
  CAS-BOT-BC282859  Hainardia cylindrica LeRoy Abrams 1902-6-20 2567 Los Angeles Ballona marshes near Mesmer Comment
  CATA1995  Hainardia cylindrica Steven A. Junak, Mark Hoefs 1997-6-4 405 Los Angeles Santa Catalina Island: Along W and E sides of Deep Tank Reservoir, SW of housing at Empire Landing 106 Comment
  UCR274125  Hainardia cylindrica Steven A. Junak 1999-5-20 SCa- 953 Los Angeles Channel Islands, Santa Catalina Island, Cottonwood-Black Jack Road, plant stop 305 Comment
  RSA0088889  Hainardia cylindrica Steven A. Junak, Mark L. Hoefs 1998-6-12 SCa- 732 Los Angeles Santa Catalina Island. Along Banning House Road, ca. 1.0 mile from Two Harbors. 228 Comment
  UCR228415  Halogeton glomeratus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8013 Los Angeles Mojave Desert, Antelope Valley, N of Lancaster, E of Amargosa Creek, E side of Sierra Highway, 630 m N of Ave F and one km S of Ave E 702 Comment
  SD234338  Harpagonella palmeri A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26265 Los Angeles Wesetern San Gabriel Mtns.: NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 miles due W of confluence of Bitter and Charlie Canyons (Warm Springs Mtn 7.5'Q) 441 Comment
  RSA584027  Hedera canariensis T. S. Ross, Steve D. Boyd 1990-5-29 2702 Los Angeles San Gabriel Mtns: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging Station. 1235 Comment
  UCR55900  Helianthemum scoparium J. A. Adams 1965-4-29 151 Los Angeles San Gabriel Mtns., Thompson's Wash, at N end of Indian Hill Blvd., Claremont 427 Comment
  UCSB4149  Helianthemum scoparium H., J. 1934-6-1 Los Angeles San Dimas Exp. Forest; trail from 2800 contour to dams; sec. 1, T 1N, R 9W 822 Comment
  RSA441780  Helianthemum scoparium var. vulgare Fay A. MacFadden 1931-4-10 s.n. Los Angeles Dry hillsides, Tejunga [Tujunga] Canyon 426 Comment
  CAS-BOT-BC305424  Helianthus annuus Timothy S. Ross; Steve Boyd 1994-9-21 8324 Los Angeles Liebre Mountains. Cow Spring Pond: sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage 1155 Comment
  UCSB6594  Helianthus annuus Crum, Charles 1958-7-19 Los Angeles Roadside in Topanga Canyon Comment
  RSA0036282  Helianthus annuus s.n. Los Angeles Montrose 60 Comment
  RSA660322  Helianthus annuus David Finch 1984-4-30 19 Los Angeles Upland, Benson Ave., .2 miles north of Basline Road. Comment
  RSA225966  Helianthus annuus subsp. lenticularis Arthur C. Gibson 1971-5-22 39723 Los Angeles Fish Creek 549 Comment
  RSA600517  Helianthus annuus subsp. lenticularis L. C. Wheeler 1968-2-4 s.n. Los Angeles Bluebird Ranch (Truck Trail) east of Richard Ferguson's house 457 Comment
  OBI72020  Helianthus californicus Mark A. Elvin, J. M. Porter, Anuja Parikh 2003-11-5 3099 Los Angeles Liebre Mts: Agua Ducle Cyn, 100m N of SR 14 (Agua Dulce 7.5') 701 Comment
  UC127124  Helianthus gracilentus H. M. and G. R. Hall 1908-7-4 8333 Los Angeles San Francisquito Canyon Comment
  UCR238989  Helianthus gracilentus Anuja Parikh, Nathan Gale 2010-5-24 3211 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 5.0 km west of State Hwy 14, 1.6 km southwest of California Aqueduct, under powerlines 1005 Comment
  UC75964  Helianthus nuttallii subsp. parishii Geo. B. Grant 1901-1-1 548 Los Angeles Oak Knoll Comment
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Jul 6 2010
  POM156364  Heliotropium curassavicum var. oculatum L. R. Abrams 1902-6-11 2513 Los Angeles Playa del Rey. Comment
  UCR126858  Hemizonia fasciculata A. C. Sanders 2003-4-29 26181 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCR247922  Hemizonia kelloggii L. Cortez, Robert Arias 2011-8-16 PDR 1313940 Los Angeles Leona Valley, Elizabeth Lake Road near 90th Street Comment
  RSA653483  Hesperocnide tenella Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 777 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 335 Comment
  RSA527620  Hesperocnide tenella Steve D. Boyd 1990-4-8 4405 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  SFV21954  Hesperolinon micranthum L. L. Zung, T. Sagar 2011-5-2 4 Los Angeles Santa Monica Mountains Malibu Creek near spillway of Malibu Lake. 215 Comment
  RSA509588  Heterocodon rariflorum L. C. Wheeler 1967-7-15 10033 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA547455  Heterocodon rariflorum T. S. Ross, Orlando Mistretta 1992-7-24 6746 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  CAS-BOT-BC143696  Heteromeles arbutifolia June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Dunicks landing to Isthmus Comment
  CHSC100218  Heteromeles arbutifolia John Dittes; Josephine Guardino 2006-11-25 1433 Los Angeles Western Transverse Range; San Gabriel Mtns.; Little Tujunga Cyn; ca. 4.5 air-miles northeast of Pacoima Memorial Hospital, ca. 3.3 air-miles southwest of Magic Mountain Communication Facility, ca. 2.4 air-miles west of Mendenhall peak; 0.2 air-miles southwest of Dillon Divide; west side of FS Route 3N322. 830 Comment
  RSA0072421  Heteromeles arbutifolia Joseph M. Keefe 2001-1-19 30949 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  RSA188326  Heteromeles arbutifolia Robert F. Thorne, Percy C. Everett 1965-6-22 34920 Los Angeles Catalina Island. South of Avalon golf course. 91 Comment
  UCR8313  Heteromeles arbutifolia B. Freeman 1968-7-4 680704- 3 Los Angeles City of Los Angeles, Griffith Park, Mt. Hollywood Dr., 1 mile from the tunnel Comment
  SD79059  Heteromeles arbutifolia var. macrocarpa R. M. Beauchamp 1966-8-9 56 Los Angeles Santa Catalina Island: South slope above road between the Isthmus and Fourth of July Cove Comment
  POM604733  Heterotheca fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-9-2 163 Los Angeles Lady Bug Canyon, Angeles Crest Highway Comment
  CDA12159  Heterotheca grandiflora A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Eaton Canyon, immediately to the S below Mt. Wilson. Comment
  JEPS20375  Heterotheca grandiflora I. W. Clokey and E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon Comment
  RSA0074066  Heterotheca grandiflora R. G. Swinney 1997-12-31 5890 Los Angeles South Coast: Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway about 300 m E of Irwindale Ave. 152 Comment
  RSA608590  Hieracium argutum L. C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, along trail to Chilao. 1249 Comment
  UCR190122  Hieracium argutum var. parishii R. G. Swinney 1998-8-21 6785 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  CAS-BOT-BC55302  Hirschfeldia incana David B. Weissman 1971-6-24 153 Los Angeles Santa Monica Mountains. Corner of Mulholland and Decker Roads. 518 Comment
  LA200300  Hirschfeldia incana Jonathan Sauer; et. al. 1969-6-4 4585 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, lower, Pacific Palisades, edge of Annona orchard. Comment
  RSA628349  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles Southern edge of the Antelope Valley at the north base of Portal Ridge, along 180th Street West, near the California Aqueduct, east of mouth of Broad Canyon. 915 Comment
  RSA611271  Holodiscus discolor Louis C. Wheeler 1931-6-15 S- 27 Los Angeles Liveoak [Live Oak] Canyon, San Gabriel Mountains. 457 Comment
  RSA792100  Holodiscus discolor Jane Tirrell, Shirley Imsand 2012-7-6 LS 0092 Los Angeles 50 ft. South of Pacific Crest Trail on ridge, approx 0.6 mi east of Windy Gap. 2507 Comment
  CAS-BOT-BC149957  Holodiscus discolor var. discolor Joseph Andorfer Ewan 1933-7-4 7876 Los Angeles Spanish Canyon above Monrovia, San Gabriel Mts. 609 Comment
  CATA1994  Hordeum intercedens Steven A. Junak, Mark Hoefs, Janet Takara 1997-3-28 402 Los Angeles Santa Catalina Island: N side of Cherry Cove, at Birdie Chester gravesite (1906) 21 Comment
  RSA230387  Hordeum jubatum R. F. Thorne 1969-7-10 38383 Los Angeles San Gabriel Mts., Angeles National Forest: Wet margin of Jackson Lake. 1860 Comment
  UCR184046  Hordeum marinum A. C. Sanders 2007-4-19 33430 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA0060871  Hordeum murinum R. G. Swinney 2010-6-8 13196 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
  UCR216752  Hordeum murinum R. G. Swinney 2009-2-20 10015 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR223764  Hordeum murinum R. G. Swinney 2009-5-28 10979 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UC1587627  Hordeum murinum subsp. glaucum Tim Ross 1991-4-21 4514 Los Angeles Middle Turnbull Canyon drainage just sw old water tank (Whittier Hills (Puente Hills, pro parte)); Whittier Hills (Puente Hills), Middle Turnbull Cyn drainage 219 Comment
  SD39950  Horkelia cuneata Rempel 1932-3-14 Los Angeles El Segundo, Est dunes Comment
  RSA499313  Horkelia cuneata subsp. cuneata E. S. Spalding 1923-4-3 s.n. Los Angeles Manhattan Beach. Comment
  SD11897  Hosackia oblongifolia Victor Duran 1933-7-22 3528 Los Angeles San Gabriel Mountains, Buckhorn, marshy places & along streams 1981 Comment
  UCD106145  Hosackia oblongifolia Robert F. Thorne; M. Z. Thorne 1967-7-19 37136 Los Angeles San Gabriel Mts. Angeles National Forest. Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River. 1249 Comment
  UCR271149  Hulsea heterochroma R. G. Swinney 2011-7-8 15511 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
  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
  RSA708874  Isocoma acradenia var. bracteosa Scott D. White, Andrea Warniment 2005-9-9 11216 Los Angeles Tehachapi Mountains: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. 1006 Comment
  SBBG112824  Isocoma menziesii S. A. Junak with K. Kirkland 1998-7-17 SCa 787 Los Angeles mouth of Silver Cyn 3 Comment
  POM158316  Isocoma menziesii var. sedoides M. B. Dunkle 1928-4-29 1898 Los Angeles Santa Catalina Island, Little Harbor. 12 Comment
  RSA763355  Isocoma menziesii var. vernonioides Doris Bowers 1970-6-7 784 Los Angeles Palos Verdes Pennisula 305 Comment
  UCR180996  Isomeris arborea R. G. Swinney 1997-2-22 5407 Los Angeles San Gabriel Mtns., Duarte, due west of Fish Canyon mouth, south spur of SW end of Van Tassel Ridge 579 Comment
  UCR186566  Isomeris arborea A. C. Sanders 2006-4-25 32199 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  SEINET12323656  Jacaranda mimosifolia E. Mason, Mason, R. E. 1944-1 s.n. Los Angeles near Los Angeles Comment
  POM122626  Jepsonia malvifolia Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  CAS-BOT-BC478181  Juglans californica R. E. Jr. Riefner 2015-8-21 15 -335 Los Angeles San Jose Hills, Unincorporated Los Angeles County, S of Interstate-10, E of Palomino Drive, E of Mesquite Lane, near end of Surry Drive, W of Forest Lawn Memorial Park 284 Comment
  SEINET1869731  Juglans californica A. C. Sanders, Mark Elvin 2003-1 27165 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch , Santa Clara River bottom east of Del Valle. 282 Comment
  UCR209206  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37163 Los Angeles San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR3262  Juglans californica H. M. Whistler 1964-4-11 640411- 05 Los Angeles San Gabriel Valley, 100 yards off road across from Puddingstone Reservoir 290 Comment
  UCR277006  Juncus R. G. Swinney 2010-9-30 13906 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  CAS-BOT-BC110042  Juncus acutus Carl B. Wolf 1932-5-12 3586 Los Angeles Santa Catalina Island. 0.75 mile from Little Harbor on road to Isthmus. 30 Comment
  SBBG128435  Juncus acutus subsp. leopoldii M. L. Hoefs 1995-5-16 2036 Los Angeles Big Springs Cyn, near rd to Two Harbors 103 Comment
  UCR223455  Juncus balticus R. G. Swinney 2009-6-8 11100 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR222999  Juncus bufonius R. G. Swinney 2009-6-2 11022 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR265495  Juncus bufonius Dan S. Cooper 2015-3-5 2015- 43 Los Angeles Los Angeles Basin; Coastal Plain, Torrance, SW corner of Crenshaw Blvd. and West 208th St. 22 Comment
  RSA0028821  Juncus bufonius Carl B. Wolf 1932-5-12 3608 Los Angeles Middle Ranch Canyon, near bridge on lower road to Isthmus, Santa Catalina Island 30 Comment
  UC625026  Juncus bufonius F. R. Fosberg 1931-5-4 S 4751 Los Angeles below Eagle's Nest (Middle Ranch Canyon, 2nd bridge below Eagle's Nest); Santa Catalina Island 140 Comment
  RSA509703  Juncus effusus subsp. austrocalifornicus L. C. Wheeler 1967-8-2 10293 Los Angeles San Gabriel Mts., Angeles Nat'l Forest: Sheep camp Spring, W slope Mt. Pacifico., NOTE: No lilies were observed at Sheep Camp Spring on 1 July 1994. The species appears to have been extirpated loc 1950 Comment
  RSA633361  Juncus macrophyllus L. C. Wheeler 1965-8-22 s.n. Los Angeles San Gabriel Mountains: Devil s Canyon campground. Comment
  RSA719110  Juncus macrophyllus R. G. Swinney 1997-8-6 5765 Los Angeles Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood. 1890 Comment
  RSA749073  Juncus macrophyllus R. G. Swinney 2005-8-11 8469 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR102381  Juncus macrophyllus L. C. Wheeler 1947-7-11 6542 Los Angeles San Gabriel Mtns., Millard Canyon 412 Comment
  RSA368079A  Juncus macrophyllus Anstruther Davidson 1923-09 s.n. Los Angeles Los Angeles River, Griffith Park. Comment
  RSA586691  Juncus mexicanus Orlando Mistretta, Mark A. Elvin 1995-6-20 1791 Los Angeles San Gabriel Mountains, Bare Mountain Canyon; Fountainhead Spring, E of Pacifico Mtn. 2012 Comment
  RSA594299  Juncus mexicanus Steve Boyd, Lauren Raz 1996-10-14 9065 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  RSA69629  Juncus patens F. W. Peirson 1923-4-10 3416 Los Angeles San Clemente Island: canyon running south from summit. Comment
  POM1597  Juncus textilis I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 122 Comment
  RSA69859  Juncus textilis F. W. Peirson 1921-6-20 1640 Los Angeles North Fork of San Gabriel River 762 Comment
  CATA305  Juncus xiphioides Mark L. Hoefs 1973-6-5 326 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon, below Edison station, in stream 274 Comment
  RSA229037  Juncus xiphioides Robert F. Thorne, C. W. Tilforth 1971-6-30 40739 Los Angeles San Gabriel Mts., Angeles Nat l Forest: Big Rock Canyon below detention camp 1524 Comment
  SEINET3863447 Image available Juniperus californica Steve Boyd 1996-4-24 8659 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon.; 0 1067 Comment
  UC83  Juniperus californica W. H. Brewer 1861-1-1 126 Los Angeles San Gabriel Comment
  UCR177296  Juniperus californica LeRoy Gross 2005-5-3 2244 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
  CAS-BOT-BC235768  Keckiella cordifolia Carl B. Wolf 1932-5-9 3472 Los Angeles Santa Catalina Island. Pebbly Beach Canyon. About 1/2 way to mexican houses 60 Comment
  RSA79783  Keckiella cordifolia Raymond J. Dobbs 1927-6-28 7684 Los Angeles Arroyo Seco near Switzers, San Gabriel Mountains. 915 Comment
  UC886920  Keckiella cordifolia Ira W. Clokey, B. Templeton May 1929 4561 Los Angeles Mandeville Canyon; Santa Monica Mountains 500 Comment
  UC1063189  Keckiella ternata var. septentrionalis G. T. Nordstrom 1935-1-25 316 Los Angeles 1 mi ssw Peace Valley entrance; Santa Barbara National Forest, Tejon Quad. 914 Comment
  POM274198  Kochia californica J. C. Roos 1947-9-18 2790 Los Angeles 2 mi. N of Lancaster. Comment
  UCR161200  Kochia californica T. B. Salvato, Melissa Clemons 2005-9-27 1228 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  LA200970  Kochia scoparia Carl Wishner; 1989-5-20 1660 Los Angeles 325.0 Comment
  POM352636  Lamarckia aurea Ora M. Clark 1929-3-10 1675 Los Angeles Elyssian Park Comment
  RSA592219  Lamarckia aurea L. C. Wheeler 1967-4-30 9218 Los Angeles San Gabriel Mountains. Limekiln Canyon. 731 Comment
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Oct 1 2014
  RSA533462  Lamium amplexicaule Tim S. Ross 1991-4-21 4552 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  UCR11993  Lantana montevidensis P. H. Raven 1959-3-1 13820 Los Angeles Western Transverse Range; Santa Monica Mtns., Vermont Canyon. Griffith Park 244 Comment
  CHSC14023  Lasthenia californica L. M. Mayer; I. J. Mayer 1974-4-10 160 Los Angeles On n side of Bouquet Canyon Rd. ca. 4 1/2 mi e of its intersection with Sierra Pelona Rd. Comment
  SEINET2053250 Image available Lasthenia californica Steve Myers, Ed LaRue 1989-3-21 Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. San Andreas rift zone bisects the site. 883 Comment
  RSA0116326  Lasthenia gracilis A. C. Sanders 2008-4-17 34936 Los Angeles Transverse Range: mouth of canyon in hills c. 1.25 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon. 956 Comment
  RSA655991  Lasthenia gracilis James Henrickson 1985-3-30 19775 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  SBBG12560  Lasthenia gracilis P. H. Raven 1962-4-10 17207 Los Angeles summit of Thirst 579 Comment
  RSA589173  Lasthenia gracilis Timothy S. Ross 1991-4-28 4733 Los Angeles Black butte Basin Road, on the S margin of the Southern Pacific Rail Road Tracks; ca 1.75 miles and ca 148 SW of Three Sisters [buttes]. 979 Comment
  UCR186779  Lathyrus vestitus Gary Kovnat, LeRoy Gross 2003-2-16 22 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone 683 Comment
  UCR217415  Lathyrus vestitus R. G. Swinney 2009-3-10 10059 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA405669  Lathyrus vestitus subsp. laetiflorus Richard C. Barkelew 1929-4-7 15826 Los Angeles Cahuenga Pass Comment
  UC15339  Lathyrus vestitus subsp. laevicarpus J. H. Barber 1897-1-9 14 Los Angeles Santa Monica Canyon Comment
  OBI69278  Lathyrus vestitus var. vestitus John Knapp, Denise Knapp 2003-4-13 3 Los Angeles Catalina Island, 3688953.820N x 377327.333E 37 Comment
  SBBG15898  Lathyrus vestitus var. vestitus W. G. Webb 1934-12-12 Los Angeles Glendale, Eagle Rock Comment
  RSA725125  Layia glandulosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -57 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
  CAS-BOT-BC321515  Layia glandulosa Le Roy Abrams; E. A. McGregor 1908-6-20 365 Los Angeles Libre Mountain 1463 Comment
  RSA0077564  Layia heterotricha Anstruther Davidson, Hasse 1906-6-2 1468 Los Angeles Big Rock Creek. Comment
  SFV4012  Layia platyglossa P. G. Kilburn 1958-2-25 625 Los Angeles Santa Monica Mountains Point Dume, west of Malibu overlooking the Pacific Ocean. In field north of parking area at Point Dume. 60 Comment
  JEPS39205  Layia platyglossa F. W. Peirson 1919-3-27 328 Los Angeles Hill w of Arroyo Seco; San Gabriel Mts. 426 Comment
  SBBG101156  Layia platyglossa T. Ross 1992-4-14 6151 Los Angeles midway between the mouth of Nanny Cyn and the first major escarpment draw S of it 182 Comment
  SD70967  Layia platyglossa subsp. campestris R. Mitchel Beauchamp 1967-3-17 274 Los Angeles San Clemente Island; on slope of canyon below Lemon Tank. Comment
  SEINET11992602  Lepidium flavum H. H. Heller 1937-1 465 Los Angeles 20 mi E of Lancaster on Victorville Rd Comment
  CAS-BOT-BC89429  Lepidium fremontii W. R. Dudley; F. H. Lamb 1896-6-4 4312 Los Angeles Lancaster. Comment
  RSA590938  Lepidium fremontii var. fremontii Orlando Mistretta 1994-4-12 1029 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  SBBG98635  Lepidium lasiocarpum var. lasiocarpum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5100 Los Angeles North Head; WNW of new landing field 15 Comment
  RSA251539  Lepidium nitidum R. F. Thorne 1973-4-11 42784 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  UC10672  Lepidium nitidum J. H. Barber 1897-4 293 Los Angeles Sierra de Santa Monica Comment
  UCR256432  Lepidium strictum R. G. Swinney 2010-6-8 13198 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  CAS-BOT-BC60037  Lepidium virginicum var. menziesii Alice Eastwood 1919-5-29 9001 Los Angeles San Gabriel Canyon. Comment
  RSA702163  Lepidium virginicum var. pubescens Michael Honer 2004-6-22 1996 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  RSA651363A  Lepidium virginicum var. robinsonii G. F. Orr 1956-3-29 s.n. Los Angeles South Fork, San Gabriel Canyon 426 Comment
  CAS-BOT-BC328085  Lepidospartum squamatum Dr. Barton W. Evermann 1916-5-16 s.n. Los Angeles Sangus Comment
  RSA587498  Lepidospartum squamatum Orlando Mistretta 1994-9-13 1464 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  RSA762342  Leptochloa fusca subsp. uninervia R. G. Swinney 2008-10-20 9643 Los Angeles San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA762134  Leptodactylon californicum Orlando Mistretta, Christine Mistretta 2008-5-15 3071 Los Angeles W fork of the San Gabriel River, Short Cut Cyn Rd. 1063 Comment
  RSA251416  Leptosiphon bicolor R. F. Thorne 1966-4-17 31627 Los Angeles San Clemente Island, Box Canyon, NW of Horse Canyon, SW of Thirst. 274 Comment
  RSA230189  Leptosiphon breviculus R. F. Thorne 1969-7-2 38226 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  SEINET7968707 Image available Leptosiphon chrysanthus subsp. chrysanthus Larry DeBuhr, R. F. Thorne 1973-5-11 1077 Los Angeles Ridge on south side of Mt. Emma Road 1.9 miles west of Little Rock Creek 1158 Comment
  RSA73055  Leptosiphon lemmonii F. W. Peirson 1920-4-26 2111 Los Angeles Santa Anita Wash above Foothill Blvd. 213 Comment
  RSA608044  Leptosiphon liniflorus L. C. Wheeler 1947-6-13 6519 Los Angeles San Gabriel Mountains: Mesa south of San Antonio Canyon [Los Angeles/San Bernardino counties]. Comment
  UC75201  Lessingia glandulifera var. glandulifera C. F. Baker 1903-8-1 3444 Los Angeles Claremont Comment
  UCR125933  Lessingia glandulifera var. glandulifera A. C. Sanders, Mark Elvin 2002-6-19 25192 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UC55076  Lessingia glandulifera var. glandulifera Miss E. D. Palmer 1904-11-1 Los Angeles vicinity of Los Angeles Comment
  SEINET10595835  Leymus condensatus LeRoy R. Abrams 1902-7-2 Abrams 2638 Los Angeles Little Santa Anita canyon, Sierra Madre. Comment
  RSA707552  Lilium humboldtii subsp. ocellatum Naomi Fraga, LeRoy Gross, Anh Nguyen 2005-6-9 1586 Los Angeles Palmer Canyon north of Claremont. 701 Comment
  RSA763248  Linanthus aureus Justin M. Wood 2010-5-10 1642 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  RSA0091726  Linanthus aureus subsp. aureus R. G. Swinney 2011-4-20 14439 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  CAS-BOT-BC226766  Linanthus californicus C. F. Baker 1909-5-15 5313 Los Angeles Mts. near Claremont Comment
  SEINET3163740  Linanthus dianthiflorus G. B. Grant 695 Los Angeles Sangus Comment
  POM65844  Linanthus dianthiflorus subsp. dianthiflorus L. R. Abrams 1903-4-10 3235 Los Angeles Grassy hills, near Inglewood Comment
  UCR150873  Linanthus dichotomus R. G. Swinney 1998-4-14 5973 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA715753  Linanthus liniflorus Scott D. White, Andrea Warniment 2006-7-7 11622 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  RSA0091725  Linanthus parryae R. G. Swinney 2011-4-20 14440 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  UCR99472  Linanthus pygmaeus Steve Boyd, T. S. Ross 1997-3-21 9221 Los Angeles Liebre Mtns., Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 mi east of the junction of F.S. Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgelind dividing Bleich Canyon and Broad Canyon 1311 Comment
  RSA468219  Lithophragma affine Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall 610 Comment
  UCR191310  Lithophragma affine R. G. Swinney 1998-7-10 6361 Los Angeles San Gabriel Mtns., Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
Read comments
May 8 2012
  CAS-BOT-BC426252  Lithophragma affine Frank W. Peirson 1921-3-12 4190 Los Angeles Big Santa Anita Canyon, San Gabriel Mts. 762 Comment
  RSA616931  Lithophragma bolanderi Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  CLARK-A1528-5171  Lithophragma heterophyllum John C. Roos 1942-4-18 1082 Los Angeles San Gabriel Mountains Comment
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Aug 22 2016
  RSA739664  Logfia filaginoides John Dittes 2006-5-30 1376 Los Angeles Western Transverse Range, San Gabriel Mtns, Big Tujunga Canyon, 3.7 air miles NE of Verdugo Hills High School, 2.5 air mile SW of Condor Peak, 2.5 air miles SSE of Mt. McKinley 529 Comment
  UC1587752  Logfia filaginoides Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-19 5244 Los Angeles w fork Near-Death Canyon (beginning of drainage to Mosquito Cove. (drainage beginning 800 ft n of Rest [1136 ft] marker; 1800 ft se of Malo Knoll [1396 ft])); San Clemente Island, Near-Death Canyon 388 Comment
  UC206243  Logfia filaginoides Katharine Brandegee Los Angeles Santa Catalina Id. Comment
  UCR273175  Logfia filaginoides R. G. Swinney 2011-5-6 14606 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  UCD66307  Lolium multiflorum Robert F. Thorne; P. Everett 1965-5-11 34551 Los Angeles Behind N beach at Little Harbor, Santa Catalina Island. 1 Comment
  UCR210015  Lolium perenne R. G. Swinney 2008-12-2 9913 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
  RSA639568  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-5-23 9677 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  UCD66484  Lolium temulentum Frank W. Gould 1944-4-12 2282 Los Angeles 120th Street and Western Ave. Comment
  SFV18437  Lomatium dasycarpum subsp. dasycarpum unknown 1971-5-5 Los Angeles San Gabriel Mountains Placerita Canyon Park. West section. Comment
  RSA452097  Lomatium mohavense Robert Gustafson, Gary D. Wallace 1982-4-26 2549 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 975 Comment
  CATA3200  Lonicera hispidula Julie L. King 2016-11-16 19 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 270 Comment
  RSA640283  Lonicera hispidula var. vacillans R. F. Thorne 1971-5-18 41362 Los Angeles Santa Catalina Island: upper part of West Fork of Gallagher Canyon. 381 Comment
  JEPS12807  Lonicera interrupta Frank W. Peirson 1918-6-15 264 Los Angeles Mint Canyon San Gabriel Mountains Comment
  UCR150552  Lonicera interrupta R. G. Swinney 1999-6-21 7354 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA749085  Lonicera subspicata R. G. Swinney 2005-8-11 8456 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  CAS-BOT-BC234863  Lonicera subspicata var. denudata Le Roy Abrams 1899-3-30 367 Los Angeles Sepulveda Canon [Canyon] Comment
  SEINET13387029 Image available Lonicera subspicata var. denudata R. G. Swinney 2011-1 15959 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  UC28539  Lonicera subspicata var. denudata J. H. Barber 1897-1-9 10 Los Angeles Santa Monica Canyon Comment
  RSA0073132  Lotus argophyllus Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 33 Los Angeles Santa Catalina Island. Deer Valley Trail. 92 Comment
  JEPS55411  Lotus argophyllus var. argophyllus Frank W. Peirson 1918-5-26 96 Los Angeles Toll Road up Mt. Wilson 1066 Comment
  HSC46500  Lotus argophyllus var. hancockii M. B. Dunkle 1939-4-4 7252 Los Angeles China Pt., Pyramid Cove, San Clemente Island Comment
  RSA771858  Lotus argophyllus var. ornithopus Robert F. Thorne 1973-4-12 42900 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  POM294754  Lotus crassifolius var. crassifolius Lyman Benson 1945-6-5 11751 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  NY37284  Lotus dendroideus var. traskiae T. S. Ross 1992-4-14 6174 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
  RSA306171  Lotus grandiflorus var. grandiflorus Fay A. MacFadden 1935-06 14164 Los Angeles Malibu Beach. Comment
  RSA592013  Lotus hamatus Mark Hoefs, Doug Propst 1973-4-6 147 Los Angeles Middle of Cape Canyon, Santa Catalina Island. 305 Comment
  UCR189719  Lotus heermannii R. G. Swinney 1998-7-10 6372 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  RSA0112767  Lotus heermannii var. heermannii R. G. Swinney 2011-3-29 14239 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
  RSA5482  Lotus heermannii var. heermannii C. B. Wolf 1932-8-11 4015 Los Angeles Big Rock Creek, 1 1/4 mi. below Big Rock Ranger Station 915 Comment
  UCR154613  Lotus humistratus A. C. Sanders, T. B. Salvato 2005-4-26 29761 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 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
  RSA547445  Lotus oblongifolius var. oblongifolius T. S. Ross 1992-5-17 6376 Los Angeles San Gabriel Mountains: lower Shoemaker Canyon, draining to E fork of San Gabriel River, joining it at 2125 ft. elevation 723 Comment
  UCR129928  Lotus oblongifolius var. oblongifolius Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1140 Los Angeles San Gabriel Mtns, Santiago Canyon. Near confluence with Little Rock Creek 1067 Comment
  RSA151617  Lotus oblongifolius var. oblongifolius R. C. Bacigalupi 1953-6-15 4205 Los Angeles at crossing of North Fork Pacoima Creek, 8.8 miles below (west of) Messenger Flat Forest Service Public Camp 1189 Comment
  UCR85825  Lotus purshianus var. purshianus T. S. Ross 1991-8-16 5831 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
  SFV18455  Lotus salsuginosus var. salsuginosus I. P. Swift, K. Grady 2002-4-1 396 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area. Walker Ranch. 598 Comment
  POM2621  Lotus strigosus M. E. Gibson 1903-5-20 s.n. Los Angeles Collected near Pasadena Comment
  RSA679059  Lotus strigosus Valerie L. Soza, LeRoy Gross 2001-5-14 1220 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  SEINET4035447  Lotus strigosus R. Moran 1941-1 701 Los Angeles On sparsely grassy slope, ridge north of Middle Ranch, Santa Catalina Island. 300 Comment
  UCR223742  Lotus strigosus R. G. Swinney 2009-6-24 11238 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA588162  Lotus unifoliolatus Orlando Mistretta 1994-5-23 1249 Los Angeles San Gabriel Mountains: Little Rock Creek. Drainage E of creek and N of Forest Rd. 4N15. 1280 Comment
Read comments
Nov 3 2009
  UC440403  Lotus wrangelianus Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topanga Canyon Santa Monica Mountains Comment
  RSA607709  Ludwigia peploides subsp. peploides Scott D. White 1997-11-5 6014 Los Angeles Malibu Coast: Mouth of Trancas Cyn., north of Pacific Coast Hwy. 8 Comment
  JEPS83251  Lupinus W. L. Jepson 1935-4-17 17063 Los Angeles Portal Ridge Comment
  RSA750017  Lupinus R. G. Swinney 1999-8-16 7662 Los Angeles Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UC198104  Lupinus affinis Katharine Brandegee May 1916 Los Angeles Santa Catalina Island Comment
  UC1129263  Lupinus albifrons A. D. Gifford 1934-4-23 141 Los Angeles 1 1/8 mi ne Cornell; Triunfo Pass Quadrangle Comment
  SEINET10488417  Lupinus albifrons 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# 6450 x 7325 Comment
  CAS-BOT-BC201422  Lupinus albifrons var. albifrons R. Hoffmann 1931-4-28 513 Los Angeles W. end of Bouquet Cany. [Canyon] Comment
  SEINET3860261  Lupinus bicolor R. G. Swinney 2009-3-19 10147 Los Angeles San Gabriel Mtns. Foothills: Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel channel, c. 100 m north of Hwy 39.; 0 230 Comment
  POM350030  Lupinus bicolor subsp. microphyllus N. C. Cooper 1948-4-21 2702 Los Angeles Littlerock Creek. 762 Comment
  SDSU19956  Lupinus bicolor subsp. umbellatus S. H. Bullock 1968-3-23 2 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. 351 Comment
  RSA590869  Lupinus concinnus Orlando Mistretta 1994-4-12 994 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Little Rock Reservoir. 976 Comment
  RSA597007  Lupinus concinnus T. S. Ross 1990-6-25 3902 Los Angeles ridgetop to the NW of Crystal Lake (ridge descending SSW from Mt. Islip) 2072 Comment
  SD21298  Lupinus concinnus Norman E. Bilderback 1938-4-23 Los Angeles Catalina Island, Catalina Harbor. Comment
  RSA619088  Lupinus densiflorus R. S. Woglum 1930-4-13 1474 Los Angeles North Hollywood Comment
  UC586897  Lupinus elatus Joseph Andorfer Ewan 1934-8-4 8393 Los Angeles Blue Ridge; San Gabriel Mts., Blue Ridge 2590 Comment
  UCR256259  Lupinus elatus R. G. Swinney 2010-10-13 14032 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  CAS-BOT-BC310335  Lupinus excubitus R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-3-26 723 Los Angeles Hungry Valley State Vehicular Recreation Area. Off Interstate-5, about 2 miles west of Gorman 1371 Comment
  IRVC29637  Lupinus excubitus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26205 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  UCR190103  Lupinus excubitus R. G. Swinney 1998-6-16 6980 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  CAS-BOT-BC205410  Lupinus excubitus var. austromontanus Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  RSA799975  Lupinus excubitus var. austromontanus Pam De Vries 2013-4-3 7822 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
  UC520186  Lupinus excubitus var. hallii H. Anderson 1932-3-24 Los Angeles Hungry Valley Comment
  RSA0033874  Lupinus formosus John F. Emmel 1997-4-28 1464 Los Angeles Sierra Pelona; along Bouquet Canyon Road at summit, just east of the national forest boundary. 1097 Comment
  SBBG69109  Lupinus formosus R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  POM23930  Lupinus formosus var. formosus George B. Grant 1906-1 s.n. Los Angeles Summit of Mt. Wilson. 1829 Comment
  RSA91204  Lupinus formosus var. formosus F. W. Peirson 1907-7-7 3 Los Angeles pine Flats Comment
  CATA2304  Lupinus guadalupensis Howard L. Ferguson 1980-4-3 106 Los Angeles San Clemente Island: Just N of Eel Pt. on Westhore Rd. 15 Comment
  UC1738477  Lupinus guadalupensis Steven A. Junak 1997-2-25 SCI 728 Los Angeles just N of Camera Pad Bud 3, near Benchmark 516 San Clemente Island, W side 158 Comment
  LA99391  Lupinus hirsutissimus Walt Westman; E. R. Hobbs 1979-1 sn Los Angeles Santa Monica Mountains, Leo Carrillo State Park, Site #1 45 Comment
  CAS-BOT-BC211723  Lupinus longifolius Theodore Payne 1948-5-15 12285 Los Angeles Palos Verdes Comment
  SEINET10485633  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
  RSA599614  Lupinus microcarpus Steve Boyd, Lauren Raz 1997-4-16 9508 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  UCR205922  Lupinus microcarpus R. G. Swinney 2008-5-5 8764 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA497244  Lupinus microcarpus var. densiflorus L. C. Wheeler 1967-5-18 9618 Los Angeles Placerita Canyon 518 Comment
  POM20546  Lupinus microcarpus var. microcarpus F. W. Peirson 1922-6-4 4223 Los Angeles Soledad Pass, sw Mojave Desert. 945 Comment
  SEINET10450730  Lupinus odoratus James S. Henrickson 1965-4-22 Henrickson 1932 Los Angeles Mojave desert. Along hwy. 138, 1 Mi se of jct. Of hwy. From victorville, ca 25 Mi w of victorville. With larrea, lycium, and yucca brevifolia, and other Desert annuals. Soil, decomposed granite-sand. Flowers dark purple-blue, keel With white, banner with light yellow spot in white spot. Fleshy. 975 Comment
  UC1294052  Lupinus peirsonii Charles F. Quibell 1960-3-11 383 Los Angeles base Mt. Islip (above Crystal Lake); San Gabriel Mts., , base Mt. Islip 2133 Comment
  SEINET10486198  Lupinus ruber David B. Dunn 1947-4-16 Dunn 2948 Los Angeles 3 mi e and 2 mi s of palmdale, among desert shrubs. Station 6. Comment
  UCR258730  Lupinus sparsiflorus R. G. Swinney 2010-6-23 13349 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  SEINET10490975  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth 1971-4-9 Thorne 41512 Los Angeles San gabriel mts, angeles national forest. San dimas canyon near dam on san Dimas creek, on disturbed dry slopes. Fls purple, annual; with erharta Calycina, camissonia ignota, c. Hirtella, eschscholzia californica, lotus Salsuginosus, etc. 457 Comment
  HSC14883  Lupinus subvexus C. S. Apperson 1967-6-11 Los Angeles 4 miles up Haskell Cyn. Rd off of Bouquet Cyn. Rd. Comment
  SBBG530  Lupinus succulentus S. A. Junak with K. Kirkland 1998-5-2 SCa 649 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 243 Comment
  LA52451  Lupinus truncatus Carl Epling; 1931-3-21 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM2390  Lupinus truncatus L. R. Abrams 1899-03 369 Los Angeles Ballona Harbor Comment
  RSA0086994  Lupinus truncatus R. G. Swinney 2010-4-21 12328 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  UCR281425  Lupinus truncatus R. G. Swinney 2014-5-21 16625 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
  RSA414375  Lupinus truncatus E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach Comment
  RSA414383  Lupinus truncatus M. Bisbee 1917-4-10 s.n. Los Angeles Hill Ave. Eagle Rock Comment
  UCR209964  Luzula comosa var. laxa R. G. Swinney 2008-7-15 9235 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  CATA3257  Lycium californicum Julie L. King 2017-2-19 55 Los Angeles Santa Catalina Island: North side of road running along north side of Catalina Harbor, abuot 5 meters from road 12 Comment
  UCR206448  Lycium cooperi R. G. Swinney 2008-6-9 8965 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  CAS-BOT-BC140176  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4403 Los Angeles San Clemente Island. E side of island, Bryce Cyn near Malo Point Comment
  RSA526647  Lyonothamnus floribundus subsp. aspleniifolius Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1990-4-7 4207 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA155792  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-20 17786 Los Angeles Santa Catalina Island. Grove above White's Landing on Airport Road. 427 Comment
  RSA589777  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay 1994-8-3 8196 Los Angeles Santa Catalina Island. Upper Cherry Valley, W of the Isthmus. 128 Comment
  CHSC95446  Lythrum californicum LeRoy Gross; Wayne Law 2000-8-8 177 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  UC1922357  Lythrum californicum Scott D. White, A. Warniment 2006-7-7 11621 Los Angeles SE TEHACHAPI MTNS.: Gorman area, Gorman Creek NE of the I-5 Freeway. Comment
  UCR246420  Madia elegans Dan S. Cooper 2011-7-13 711- 95 Los Angeles San Gabriel Mountains, Monrovia Canyon Truck Trail 595 Comment
  RSA92910  Madia elegans subsp. densifolia F. W. Peirson 1920-9-17 2712 Los Angeles San Antonio Canyon, San Gabriel Mountains. 1341 Comment
  CAS-BOT-BC343063  Madia gracilis I. M. Johnston 1917-7-1 1438 Los Angeles San Antonio Mountains. Evey Canon [Canyon] 762 Comment
  LA37326  Madia gracilis Kei Nakai; June 1976 TCSP 20 76 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, Topanga Canyon State Park 0.25 mi. from ranger's office 380 Comment
  RSA717987  Madia gracilis R. G. Swinney 1997-5-13 5520 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  POM362205  Madia gracilis B. C. Templeton 1932-6-1 4870 Los Angeles West Blue Ridge, Big Pines Park 2194 Comment
Read comments
Dec 16 2012
  RSA0022987  Maianthemum stellatum Duncan S. Bell, Caitlin Elam 2013-8-1 5559 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  RSA631369  Maianthemum stellatum Louis C. Wheeler 1967-9-3 10642 Los Angeles San Gabriel Mountains; Prairie Fork. 2317 Comment
  UCR34457  Malacothamnus davidsonii Don Emery 1981-1 s.n. Los Angeles San Gabriel Mtns., Tujunga Canyon near Sunland. 610 Comment
  CAS-BOT-BC206217  Malacothamnus fasciculatus E. R. Blakley 1962-10-5 5422 Los Angeles At Old Mill site in Hen Cove north of White's Landing, Santa Catalina Island 3 Comment
  CAS-BOT-BC206218  Malacothamnus fasciculatus Carl B. Wolf 1932-5-11 3575 Los Angeles Hillside at west side of Isthmus Harbor, Santa Catalina Island 30 Comment
  CAS-BOT-BC206232  Malacothamnus fasciculatus Rev. J. C. Nevin 1904-1-1 s.n. Los Angeles Cahuenga Pass Comment
  SBBG128370  Malacothamnus fasciculatus M. L. Hoefs 1973-5-15 291 Los Angeles open field, above #7 & 8 holes of golf course, Avalon Cyn 76 Comment
  SFV2283  Malacothamnus fasciculatus M. L. Vincent 1962-7-18 264 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Old Topanga Canyon turnoff. 440 Comment
  UCD116356  Malacothamnus fasciculatus Marc Meyer 1993-4-25 30 Los Angeles Santa Susana Mts., Moonshine Cyn. Park, Porter Ranch, 2.5 mi. N of Tampa offramp of 118 Fwy. 400 Comment
  UC198130  Malacothamnus fasciculatus var. catalinensis Katharine Brandegee Los Angeles Santa Catalina Island Comment
  IRVC26311  Malacothamnus fremontii Mark A. Elvin 2003-8-13 2986 Los Angeles Newhall Ranch, Santa Clara River at the mouth of Long Canyon Santa Clarita Valley 274 Comment
  UC2029926  Malacothamnus fremontii S. D. White, Kent Hughes 2000-5-16 7836 Los Angeles SAN GABRIEL MTS.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. Comment
  UCR145174  Malacothamnus fremontii June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  POM160274  Malacothamnus marrubioides F. W. Peirson 1929-7-1 s.n. Los Angeles Aliso Creek, San Gabriel Mts. 1098 Comment
  SBBG98609  Malacothamnus orbiculatus T. Ross, S. Boyd 1991-7-24 5638 Los Angeles NNE slope, Granite Mtn; T3N R11W S6, SW/4 of NE/4 1901 Comment
  UCR75299  Malacothrix Scott D. White 1992-10-8 901 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  UCD23363  Malacothrix californica Sally Jue 1977-4-24 40 Los Angeles Annual herb, flower heads pale yellow; creosote bush scrub, sandy flats, full sun. Beside 230th Street, East, 0.8 mile north of junction with Avenue O. Antelope Valley, about 29 miles east of Lancaster. 853 Comment
  UCR51038  Malacothrix californica A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7764 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  SBBG121833  Malacothrix clevelandii A. Parikh, N. Gale 2005-6-17 785 Los Angeles Portal Ridge, 1.6 km NNE of intersection of N2/Johnson Rd, 2.1 km E of intersection of N2/Munz Ranch Rd 1135 Comment
  UC637181  Malacothrix foliosa R. M. Bond 1940-5-14 Los Angeles Santa Barbara Island Comment
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Feb 14 2006
  SD85026  Malacothrix foliosa subsp. foliosa E. R. Blakley 1962-6-10 5220 Los Angeles San Clemente Island; Wilson Cove. 10 Comment
  UCR68946  Malacothrix foliosa subsp. foliosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4238 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA0073374  Malacothrix saxatilis R. G. Swinney 2010-3-16 11955 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
  SEINET11799393  Malacothrix saxatilis var. tenuifolia J. F. Bright, Wyman, C. 1931-1 5470 Los Angeles near Pasadena Comment
  UCR50856  Malva nicaeensis A. C. Sanders 1988-5-18 7818 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA450618  Malva parviflora A. C. Sanders 1987-12-4 7572 Los Angeles El Segundo Dunes, immediately W of Los Angeles Int. Airport and Pershing Dr. 30 Comment
  RSA434890  Malva parviflora M. Bisbee 1917-4-10 s.n. Los Angeles Garden, Eagle Rock Comment
  RSA279016  Malvella leprosa Robert F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42190 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  RSA749660  Malvella leprosa R. G. Swinney 2005-8-5 8360 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy. 1561 Comment
  UCR187254  Marah fabacea A. C. Sanders 2006-4-21 32130 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  UCR259762  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. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR259953  Marah macrocarpa R. G. Swinney 2010-4-28 12429 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
  UCR270227  Marah macrocarpa R. G. Swinney 2011-4-1 14298 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA657458  Marah macrocarpa J. Keeling 1980-5-26 20 Los Angeles Verdugo Mountains; South end of dam. Beginning of Childs Canyon, 500 yards east of Allen Street. Glendale. 335 Comment
  UC1004925  Marah macrocarpa Philip A. Munz 1940-4-29 16574 Los Angeles ne Claremont (Base Line Road) 487 Comment
  UC1922292  Marrubium vulgare Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 820 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, south side: Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, W of De Bell Municipal Golf Course. Near 34deg 12' 37.7'' N 118deg 18' 15'' W T2N R14W SW/4 sec. 36. Elev. 1300 Feet. Comment
  UCR108173  Marrubium vulgare Valerie Soza, J. Gural 1997-3-26 31 Los Angeles Base of San Gabriel Mtns., Claremont, Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Blvd. 412 Comment
  RSA409839  Marrubium vulgare E. A. McGregor 1965-5-18 s.n. Los Angeles foothills above Claremont Comment
  RSA590591  Marrubium vulgare Tim S. Ross 1993-5-20 7193 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 963 Comment
  SFV3173  Marrubium vulgare P. M. Kennamer 1958-8-7 s. n. Los Angeles San Fernando Valley San Fernando Valley State College campus on Lindley Ave. Road bed opposite Building F. 274 Comment
  RSA0065716  Marsilea vestita subsp. vestita Justin M. Wood 2011-7-7 4342 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  POM362442  Matricaria matricarioides M. B. Dunkle 1931-4-22 2451 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  UCR55755  Matricaria matricarioides J. A. Adams 1964-5-8 41 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  JEPS36099  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles s of Rogers Lake (Avenue A); Mojave Desert, Edwards Air Force Base 614 Comment
  UC446432  Meconella denticulata Geo. B. Grant May, 1904 1009 Los Angeles Pasadena Comment
  UC50446  Meconella denticulata H. M. Hall Apr 1903 3739 Los Angeles near Los Angeles (Eagle Rock) Comment
  RSA526531  Medicago polymorpha Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4269 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  POM211420  Medicago polymorpha var. brevispina Louis C. Wheeler 1934-2-2 2368 Los Angeles Elysian Park, Los Angeles. 122 Comment
  POM362464  Melampodium perfoliatum Geo. L. Moxley 1915-9-8 451 Los Angeles Florence Ave. between Long Beach and Alameda Comment
  CATA981  Melica imperfecta Mark L. Hoefs 1994-5-21 1851 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  RSA360115  Melica imperfecta B. A. Prigge 1986-3-29 7147 Los Angeles E of Red Rover Mine Rd. and Antelope Valley Fwy 914 Comment
  RSA735834  Melica imperfecta Scott D. White, Justin M. Wood 2008-5-6 11936 -B Los Angeles Puente / Chino Hills: Chino Hills, NW of Carbon Canyon Rd. and SE of Tonner Canyon, on SCE powerline corridor (SE corner of county). 213 Comment
  UCR87376  Melica imperfecta R. G. Swinney 1994-5-7 2837 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  POM348166  Melilotus albus B. E. Burch 1943-07 s.n. Los Angeles Palos Verdes Cliffs, Redondo Beach Comment
  RSA746774  Melilotus indicus R. G. Swinney 2008-4-17 8683 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  POM348181  Melilotus indicus Jack Rempel 1932-4-10 s.n. Los Angeles El Segundo. Comment
  RSA239463  Melilotus indicus E. R. Blakley 1963-12-7 6368 Los Angeles San Clemente Island, 200 yards S E of new air strip. 61 Comment
  RSA39057  Melilotus indicus E. A. Purer 1932-3-23 2693 Los Angeles El Segundo. Comment
  RSA533444  Melilotus indicus Tim S. Ross 1991-4-21 4505 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  RSA652187  Melilotus indicus A. E. Hersh 1950-7-5 s.n. Los Angeles Garden 411 Wade St., Venice. 30 Comment
  SBBG69268  Mentzelia congesta R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  UC1121673  Mentzelia congesta Jerome S. Horton 1939-6-1 546 Los Angeles Cucamonga Quadrangle, Fern canyon Comment
  RSA0057904  Mentzelia laevicaulis Richard G. Swinney 2010-9-7 13696 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA440467  Mentzelia laevicaulis Anstruther Davidson 1921-01 3507 Los Angeles La Liebre, Mohave Desert. Comment
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Jun 26 2012
  CAS-BOT-BC167626  Mentzelia veatchiana Timothy S. Ross; Steve Boyd 1994-5-24 7860 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  UCR223471  Mentzelia veatchiana R. G. Swinney 2009-5-28 10929 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA402607  Mesembryanthemum crystallinum Freda Detmers 1933-6-4 s.n. Los Angeles Watch horn Basin near San Pedro. Comment
  UCR186872  Microseris douglasii A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32070 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, north of Hwy 138 and the California Aqueduct at the crossing of Oso Canyon 976 Comment
  UCR194145  Microseris douglasii A. C. Sanders 2008-4-25 35104 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  UCR282615  Microseris heterocarpa Dan S. Cooper 2017-3-20 317- 12 Los Angeles Whittier Hills, Skyline Dr. [Skyline #2 Fire Rd.] 351 Comment
  IRVC29551  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26150 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  POM363445  Microseris lindleyi M. B. Dunkle 1929-4-13 2118 Los Angeles Little Gibralter, Santa Catalina Island. Comment
  RSA188054  Microseris lindleyi R. F. Thorne 1966-4-7 35936 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  UCR184108  Microseris lindleyi A. C. Sanders, T. B. Salvato 2007-4-24 33487 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  RSA587404  Microseris lindleyi Orlando Mistretta 1995-4-4 1594 Los Angeles Drainage west of Little Rock Creek Reservoir 1021 Comment
  RSA595989  Microseris lindleyi L. C. Wheeler 1967-5-8 9347 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  SD197929  Mimetanthe pilosa R. G. Swinney, Cody Clarke 2001-8-22 8086 Los Angeles 1.5 miles southsouthwest of Dawson Saddle, junction of South Fork Big Rock Creek and Highway 2. 2305 Comment
  RSA439244  Mimulus aurantiacus M. V. Hood 1939-5-30 s.n. Los Angeles Aliso Canyon. 1524 Comment
  SDSU10750  Mimulus aurantiacus A. H. Gallup 1948-6-30 154 Los Angeles Mouth of Cobalt Canyon. 610 Comment
  UC1584749  Mimulus aurantiacus var. pubescens Tim Ross, Annette Ross 1991-3-7 4158 Los Angeles draw at sw base Elephant Hill; San Dimas USGS 7.5' Quadrangle, western Pomona 251 Comment
  UC535367  Mimulus aurantiacus var. pubescens Ira W. Clokey, B. Templeton Apr. 1929 4441 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  UC76130  Mimulus aurantiacus var. pubescens Pupils of Los Angeles High School June 1902 Los Angeles near Garvanza Comment
  RSA420988  Mimulus brevipes Louis C. Wheeler 1931-6-21 S- 7 Los Angeles Liveoak [Live Oak] Canyon, San Gabriel Mts. 610 Comment
  UC886128  Mimulus cardinalis Ezra C. Knopf 136 Los Angeles Santa Catalina Island Comment
  UCR231788  Mimulus cardinalis Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns, Pasadena, c. 1 mile north of Rose Bowl 305 Comment
  RSA132232  Mimulus cardinalis Gale Sphon 1959-6-27 376 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  SFV16490  Mimulus cardinalis P. M. Schiffman, R. van de Hoek 1996-11-3 s. n. Los Angeles California Channel Islands Santa Catalina Island. Cottonwood Canyon near waterfall. About 0.5 miles from beach. Comment
  RSA629682  Mimulus floribundus Scott D. White, Dave Bramlet 1998-8-11 7043 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  SEINET3079364 Image available Mimulus fremontii John S. Garth 1948-4-21 C- 2679 Los Angeles Littlerock. 762 Comment
  RSA624024  Mimulus fremontii var. fremontii Unspecified 1926-6-18 3756 Los Angeles Big Tujunga Canyon. Comment
  RSA0034300  Mimulus guttatus Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  UC1018205  Mimulus guttatus J. Warren 1952-5-27 Los Angeles Taipa Park 121 Comment
  RSA434678  Mimulus pilosus Freda Detmers 1928-9-30 14930 Los Angeles San Gabriel Canyon Comment
  RSA603730  Mimulus rubellus Louis C. Wheeler 1948-6-13 6648 Los Angeles San Gabriel Mountains: Depression Wickiup Creek. 1364 Comment
  UCR220050  Minuartia douglasii R. G. Swinney 2009-4-24 10449 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  SBBG13254  Mirabilis californica M. A. Piehl 1962-6-10 62384 Los Angeles E of Thirst 304 Comment
  SBBG69792  Mirabilis laevis var. crassifolia R. Hoffmann 1929-5-17 Los Angeles Harold Comment
  UC72745  Mirabilis laevis var. crassifolia Pupils of Los Angeles High School 1903-5-2 Los Angeles Los Angeles Comment
  RSA464830  Mirabilis laevis var. villosa T. W. Minthorn 1925-5-3 s.n. Los Angeles Palmdale. Comment
  RSA611370  Mirabilis laevis var. villosa Louis C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1677 Comment
  UCR209105  Monardella australis R. G. Swinney 2008-6-18 9071 Los Angeles San Gabriel Mountains, south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek 2012 Comment
  JEPS63327  Monardella breweri subsp. lanceolata Samuel B. Parish June 1887 Los Angeles Comment
  SD239800  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin, Adam Clause 2008-5-30 5972 Los Angeles Transverse Ranges: Santa Monica Mountains: Santa Ynez Canyon, ca. 300 m N of Verde De La Montura Road Comment
  RSA230712  Monardella linoides subsp. stricta Robert F. Thorne, M. Z. Thorne 1969-7-9 38524 Los Angeles San Gabriel Mountains, Angeles National Forest: just S of Big Meadow, Big Pines 2088 Comment
  SEINET11263743  Monardella linoides subsp. stricta Tim Ross 1990-8-17 3146 Los Angeles San Gabriel Mtns, upper Big Rock Creek. 120-200 m N of Icy Springs. Valyermo 7.5' USGS.; 0 1725 Comment
  SEINET1910802  Monardella macrantha Elizabeth McClintock 1941-1 133 Los Angeles Julian. About 1 1/2 miles from Julian on Highway 78 turn right on dirt road, and go about .2 mile. This is a short distance from the turn off to Volcan View Drive. Comment
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Mar 23 2014
  LA54255  Monardella saxicola Louis Wheeler; 1932-7-2 896 Los Angeles San Gabriel Mountains, Brown Flat-Fern Canyon water trail 1310 Comment
  SBBG61100  Monolopia lanceolata R. Hoffmann 1925-4-19 Los Angeles E end of Bouquet Cyn Comment
  CAS-BOT-BC108993  Mucronea californica Geo. B. Grant 1902-5-10 s.n. Los Angeles Arcadia. Comment
  JEPS26608  Mucronea californica Peter Kamb 1948-6-26 1120 Los Angeles near Sunland; Tujunga Wash 350 Comment
  SBBG62244  Mucronea perfoliata R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA755634  Muhlenbergia californica R. G. Swinney 2008-7-16 9266 Los Angeles Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1817 Comment
  UCR205262  Muhlenbergia californica R. G. Swinney 2005-8-17 8503 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
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Dec 21 2018
  RSA714522  Muhlenbergia microsperma A. C. Sanders, Lee Jones 2005-4-8 29325 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  SBBG113043  Muhlenbergia microsperma S. A. Junak with K. Kirkland 1998-4-30 SCa 563 Los Angeles upper portion of Hamilton Cyn drainage, just downslope from Airport Rd 304 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
  CAS-BOT-BC274974  Muhlenbergia rigens Timothy S. Ross; Steve Boyd 1994-9-21 8331 Los Angeles Liebre Mountains. Cow Spring Pond: sag pond on the San Andreas Fault Zone at the N foot of Liebre Mountain and on the S side of W Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage, NW edge of pond 1155 Comment
  RSA0085092  Muilla maritima R. G. Swinney 2010-4-1 12167 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA599631  Muilla maritima Steve Boyd, Lauren Raz 1997-4-16 9525 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
  UC1215227  Munzothamnus blairii Peter H. Raven 1962-7-11 17992 Los Angeles ne of Lemon Tank (about half way down, canyon n of station Nanny); San Clemente Island Comment
  CHSC95456  Nassella cernua LeRoy Gross 2001-5-27 424 Los Angeles Los Angeles Basin; Verdugo Mountains Region: northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just north of La Tuna Canyon Road in the city of Sun Valley, just west of mouth of McDonald Creek. A short distance going north up the ridge heading for the main crest. Comment
  RSA584629  Nassella cernua Timothy S. Ross, Janet Takara, Stacey Otte 1993-4-24 6950 Los Angeles Santa Catalina Island: W end of island beyond isthmus, on main east-west ridgetop, ca 615 meters E of Granite Triangulation Point and 620 meters WNW of Oak Triangulation Point. 488 Comment
  CAS-BOT-BC259923  Nassella lepida H. E. Hasse 1895-4-8 s.n. Los Angeles Canons [Canyons] of Santa Monica Range Comment
  RSA177747  Nassella lepida R. F. Thorne, P. Everett 1965-5-11 34530 Los Angeles Near Ballast Point, E side of Catalina Harbor, Santa Catalina Island 46 Comment
  RSA654647  Nasturtium officinale Fred Brooks 1988-5-7 43 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  RSA680219  Nemacladus sigmoideus Valerie L. Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1683 Los Angeles Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. 1982 Comment
  RSA421312  Nemophila menziesii Ora M. Clark 1929-3-30 1896 Los Angeles W. of Lancaster Comment
  UCR182260  Nemophila menziesii R. G. Swinney 1998-4-14 6025 Los Angeles San Gabriel Mtns./Southern Mojave Desert, 100 m east of mouth of Mescal Canyon, in Mescal Heights area, 50 m east of 237th St. East 1512 Comment
  RSA652201  Nemophila menziesii Eleanor McClung 1937-4-12 93 Los Angeles Franklin Canyon, Los Angeles. [North of Beverly Hills] Comment
  RSA597768  Nemophila menziesii var. menziesii Steve Boyd, Lauren Raz 1997-3-14 9180 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  UCR242114  Nemophila pedunculata Anuja Parikh, Nathan Gale 2010-4-27 3143 Los Angeles Tehachapi Mtns. Foothills/Western Mojave Desert, hills north of Quail Lake, along dirt road in Oso Canyon 1074 Comment
  LA211201  Nemophila pedunculata Arthur C. Gibson; 2009-3-21 5385 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, Side trail from service road to M.A.S.H. site. Comment
  UCR252577  Nicotiana attenuata R. G. Swinney 2010-5-11 12668 A Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  CAS-BOT-BC231559  Nicotiana glauca Geo. B. Grant 1901-3-13 s.n. Los Angeles Pasadena Comment
  OBI35608  Nicotiana glauca Rebecca Cicoria 1981-5-18 27 Los Angeles Portuguese Bend slide area, N of Narcissa Dr, Rancho Palos Verdes Comment
  OBI69348  Nicotiana glauca John Knapp, Denise Knapp 2002-11-27 22 Los Angeles Santa Catalina island Comment
  RSA578824  Nicotiana glauca Tim S. Ross, Darin Banks 1994-4-13 7519 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  SBBG128071  Nicotiana glauca B. E. Carter 2012-8-23 6988 Los Angeles Airport Rd, ca. 0.25 mi N of Middle Ranch Rd 405 Comment
  UCR209224  Nicotiana glauca R. G. Swinney 1969-12-5 698 Los Angeles San Gabriel Mtns., Glendora, c. 0.5 mi. north of Sierra Madre Ave. above the north end of Pennsylvania Ave. 348 Comment
  UCR258686  Nicotiana glauca R. G. Swinney 2010-3-16 11940 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
  IRVC28599  Nicotiana glauca A. C. Sanders, Mark Elvin 2002-6-19 25201 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 282 Comment
  SEINET10950897  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3955 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA69488  Nitrophila occidentalis E. L. Paddock 1951-8-1 s.n. Los Angeles Coyote Creek Wash, toward Norwalk. Comment
  CATA3054  Nuttallanthus texanus Amy Catalano 2016-3-25 066 Los Angeles Santa Catalina Island: On Fern Canyon Road, about 200 meters up the road 129 Comment
  JEPS44069  Oenothera californica W. L. Jepson 1935-4-17 17052 Los Angeles 6 1/2 mi w Lancaster 731 Comment
  RSA670382  Oenothera contorta Bonnie C. Templeton 1931-5-17 1217 Los Angeles W. of Lancaster, Mojave Desert. Comment
  POM3091  Oenothera elata subsp. hirsutissima C. N. Carter 1909-6-12 s.n. Los Angeles Claremont. Comment
  RSA0012074  Oenothera rosea Steve Boyd, Rick Riefner 2007-4-27 11734 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  UCR206470  Oenothera rosea A. C. Sanders, T. B. Salvato 2009-5-20 36848 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
  RSA34884  Oenothera speciosa Joseph A. Ewan 1932-6-29 7564 Los Angeles Arizona Ave. four miles W of Hawthorn. Comment
  UC219273  Oenothera speciosa P. A. Munz May 1921 4560 Los Angeles between Chino and Pomona 274 Comment
  POM214690  Opuntia littoralis F. R. Fosberg 1932-7-15 8612 Los Angeles San Pedro Hills. Comment
  UC2030073  Opuntia parryi Joseph Marlowe Keefe 2001-1-19 30981 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, California 91040. Los Angeles County. Comment
  POM317740  Opuntia vaseyi David Walkington 1963-6-25 196 Los Angeles N of Puddingstone rd on Casa de Carrion homestead, west of house. 305 Comment
  POM3337  Oreonana vestita I. M. Johnston 1917-7-4 1413 Los Angeles near summit of Baldy 2896 Comment
  RSA640000  Oreonana vestita L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  RSA771604  Orobanche R. G. Swinney 2009-5-28 10972 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  CAS-BOT-BC502622  Orobanche bulbosa Ernest C. Twisselmann 1959-6-2 5354 Los Angeles Liebre Mountain Road, 0.3 i E of the old Ridge Route 1249 Comment
  SBBG68720  Orobanche fasciculata R. Hoffmann 1927-6-13 Los Angeles near Chandler's Comment
  UC1125591  Orobanche fasciculata A. D. Gifford 1935-5-10 699 Los Angeles 1 3/4 miles SSE of Neenach. Tejon 7.5' Quad. Comment
  RSA0070935  Orobanche fasciculata Tim Ross, Steve Boyd 1991-7-24 5662 Los Angeles Granite Mountain: San Gabriel Mountain Range. 1935 Comment
  RSA611255  Orobanche fasciculata Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge, at head of Brainard Canyon. 1402 Comment
  CHSC1165  Orobanche parishii subsp. parishii E. Thomas 1940-5-12 Los Angeles San Fernando foothills. Comment
  RSA555359  Orthocarpus purpurascens var. ornatus D. Charlton 1991-5-18 5183 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  SEINET10855058  Oryza sativa Heidi H. Schmidt 1999-10-10 Schmidt 3926 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  JEPS13148  Osmadenia tenella Elizabeth Day Palmer 1908-8-1 Los Angeles Los Angeles Comment
  UCR150885  Osmorhiza brachypoda Valerie Soza, LeRoy Gross 1999-7-15 628 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt Wilson Trail above Little Santa Anita Canyon 1067 Comment
  RSA592290  Oxalis albicans subsp. pilosa Louis C. Wheeler 1967-5-13 9537 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  UCR143416  Oxalis californica F. R. Fosberg 1931-4-13 S- 4586 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, right fork 290 Comment
  RSA641431  Oxypolis occidentalis L. C. Wheeler 1967-8-24 10501 Los Angeles Angeles National Forest: SW slope of Mt. Waterman 2164 Comment
  RSA640176  Oxytheca parishii Louis C. Wheeler 1964-11-6 8645 Los Angeles San Gabriel Mountains: Cortelyou Springs, Angeles Crest Highway at Crystal Lake turnoff. Comment
  RSA229155  Oxytheca parishii var. parishii Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38910 Los Angeles San Gabriel Mountains, Angeles National Forest: S slope Table Mountain above Big Pines 2119 Comment
  RSA776524  Oxytheca parishii var. parishii Jane Tirrell 2011-7-25 LS- 32 Los Angeles On crest of ridge approximately 0.5 mile east of Windy Gap. 2426 Comment
  UCR276888  Oxytheca trilobata R. G. Swinney 2011-5-16 14748 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  CAS-BOT-BC318199  Packera breweri LeRoy Abrams 1927-4-30 11720 Los Angeles Head of Antelope Valley. Comment
  SBBG62726  Packera ionophylla West, Sweet, Crow 1930-7-12 Los Angeles North Baldy Comment
  LA82451  Paeonia californica O. H. Kappler; 1941-2-19 82 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CAS-BOT-BC274182  Pappostipa speciosa D. E. Breedlove 1962-5-12 2706 Los Angeles Eastern edge of Gorman 1219 Comment
  SD51865  Parapholis incurva Peter H. Raven 1962-4-10 17187 Los Angeles San Clemente Island; along banks of ditch, in grassy field above the barracks, Wilson Cove 106 Comment
  UC625092  Parietaria hespera var. hespera F. R. Fosberg 1931-3-24 S 4349 Los Angeles Hamilton Canyon; Santa Catalina Island 50 Comment
  SD187492  Parthenocissus vitacea Scott D. White 2006-7-18 11635 Los Angeles SE Tehachapi Mtns.: Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway 1006 Comment
  UCD88737  Paspalum dilatatum Charles F. Hewitt 1975-3-13 LASCA 1046 Los Angeles nursery area, Los Angeles State and County Arboretum, Arcadia. Comment
  UCR217712  Paspalum dilatatum A. C. Sanders, Dan S. Cooper 2010-8-5 38550 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  SEINET10919024  Passiflora citrina S. Krosnick 2008-1-7 Krosnick 431 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #102 in Honduras Comment
  UCR220040  Pectocarya anisocarpa R. G. Swinney 2009-4-24 10459 A Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA0120023  Pectocarya penicillata R. G. Swinney 2014-4-30 16292 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  UCR194155  Pectocarya penicillata A. C. Sanders 2008-4-13 34882 Los Angeles Western Mojave Desert, Antelope Valley, Llano, 165th St. East, 0.3 mi. N of Hwy 138, 0.2 mi. S of Ave. 'V 955 Comment
  RSA589185  Pectocarya recurvata T. S. Ross 1991-4-28 4738 Los Angeles Black Butte, Southeasterly finger of the butte. 930 Comment
  IRVC29541  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  LA94159  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-13 1731 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca 2.5 mi from mouth of canyon. 152 Comment
  UC223688  Pellaea andromedifolia C. F. Millspaugh 1920-2-5 4677 Los Angeles Hay Press; Santa Catalina Isl Comment
  RSA226229  Pellaea andromedifolia var. andromedifolia Gary D. Cromwell, David W. Wheat 1971-5-14 649 Los Angeles San Gabriel Mountains: Mystic Canyon, Angeles National Forest. 2 miles NE of Glendora. On ridge west of canyon mouth 457 Comment
  RSA686907  Pellaea mucronata Richard C. Barkelew 1929-4-17 s.n. Los Angeles Mulholland Highlands, Los Angeles Comment
  UCR91498  Pennisetum clandestinum Scott D. White 1995-3-15 2584 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  RSA596485  Penstemon centranthifolius Louis C. Wheeler 1967-5-24 9721 Los Angeles San Gabriel Mountains. Indian Canyon 'Campground' 823 Comment
  POM305725  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1937-6-27 929 Los Angeles Liebre Mts., Sandberg, Angeles National Forest. Comment
  RSA412432  Penstemon centranthifolius L. E. Hoffman 1932-8-14 17101 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Islip 1982 Comment
  UC55373  Penstemon centranthifolius J. H. Barber Los Angeles Soma Canyon Comment
  RSA408061  Penstemon grinnellii subsp. grinnellii N. C. Cooper 1949-6-18 4196 Los Angeles Mt. Baldy Resorts. 1372 Comment
  RSA586479  Penstemon grinnellii subsp. grinnellii Orlando Mistretta 1995-6-20 1819 Los Angeles Bare Mountain Canyon. 1829 Comment
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Nov 26 2007
  POM171399  Penstemon grinnellii subsp. grinnellii Unspecified 1930-7-30 s.n. Los Angeles San Gabriel Mts. Comment
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Feb 5 2011
  UCR124784  Penstemon heterophyllus B. C. Templeton, H. J. Andrews 1938-6-22 1690 Los Angeles San Gabriel Mtns., Mint Canyon near the crest 854 Comment
  UCR209655  Penstemon heterophyllus R. G. Swinney 2008-6-25 9100 Los Angeles San Gabriel Mountains, Glendora, West Harrow Canyon, 0.4 mi. NW of Harrow Canyon Debris Basin 439 Comment
  JEPS4474  Penstemon labrosus Rimo Bacigalupi 1952-8-9 3904 Los Angeles summit of Blue Ridge above and sw of Wrightwood and Swarthout Valley (near Guffey Public Camp, in the San Gabriel Range); San Gabriel Range, Angeles National Forest 2438 Comment
  SBBG118437  Penstemon labrosus O. Mistretta 1993-6-28 906 Los Angeles Table Mtn, Sunrise Ski Area Comment
  UCR141588  Penstemon rostriflorus June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2409 Comment
  RSA191124  Penstemon spectabilis subsp. subviscosus Robert F. Thorne, M. Z. Thorne 1967-6-25 37094 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA79860  Penstemon spectabilis subsp. subviscosus F. W. Peirson 1920-4-28 206 Los Angeles San Anita Wash, south base of San Gabriel Mountains. 213 Comment
  RSA0060327  Pentagramma triangularis E. L. Brown 1893-03 s.n. Los Angeles Arroy Seco [Arroyo Seco]. Comment
  SFV12135  Pentagramma triangularis V. Padgett, M. H. Grayum, D. L. Koutnik 1975-5-6 76 Los Angeles Santa Monica Mountains Fryman Canyon. 244 Comment
  LA200088  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-5-14 2022 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Dr., canyon N of road between Benedict Cyn Dr and Coldwater Canyon Dr. 304 Comment
  RSA687377  Pentagramma triangularis subsp. triangularis B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  CAS-BOT-BC73760  Peritoma arborea var. arborea Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7440 Los Angeles Palos Verdes Peninsula, Rancho Palos Verdes - eroded canyon through southerly coastal bluffs, 15 Comment
  RSA471849  Perityle emoryi George B. Grant 1906-9-1 7167 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC419012  Persicaria lapathifolia I. Johnston 1917-6-14 1343 Los Angeles West of Pomona Comment
  SEINET6091126  Persicaria punctata Louis C. Wheeler 1946-9-22 6371 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UC881204  Phacelia Ira W. Clokey, B. Templeton May 1929 4531 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  UC671714  Phacelia austromontana Lincoln Constance and Frank W. Peirson 1941-6-25 2855 Los Angeles n side Vincent Gulch; San Gabriel Mountains 2133 Comment
  RSA17080  Phacelia brachyloba Carl B. Wolf 1936-5-26 7832 Los Angeles Indian Canyon Camp, 2 mi. off Soledad Canyon. 915 Comment
  UCR270939  Phacelia brachyloba R. G. Swinney 2011-6-14 15142 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  SEINET3372074  Phacelia campanularia subsp. campanularia G. Rink 2011-6-3 10590 Los Angeles Hills east of Diamond Bar 244 Comment
  RSA427630  Phacelia cicutaria var. hispida A. M. Johnson 1934-5-1 4446 Los Angeles Shaded moutain side, Sepulveda Canyon. Comment
  RSA602473  Phacelia cicutaria var. hispida Scott D. White 1997-5-8 5071 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  SD239786  Phacelia curvipes R. G. Swinney 2008-6-17 9027 Los Angeles San Gabriel Mountains: 2.3 miles north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway (Valyermo 7.5'Q) 1992 Comment
  UCR190392  Phacelia curvipes R. G. Swinney 2001-4-18 7889 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR223752  Phacelia curvipes R. G. Swinney 2009-5-28 10967 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA426228  Phacelia distans T. S. Clare 1929-4-11 s.n. Los Angeles Verdugo Hills. Comment
  RSA599547  Phacelia distans Steve Boyd, Lauren Raz 1997-4-16 9529 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
  RSA703906  Phacelia distans Gary D. Wallace, Ann Hiller 1983-5-18 2048 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  RSA725204  Phacelia distans Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -43 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
  UC702990  Phacelia distans John Thomas Howell 1928-6-10 3888 Los Angeles Fish Canyon San Gabriel Mts. Comment
  UCR271065  Phacelia distans R. G. Swinney 2011-6-6 15014 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  HSC24434  Phacelia distans M. B. Dunkle 1939-5-28 8122 Los Angeles N slope, E coast of San Clemente Island Comment
  RSA226937  Phacelia distans Robert F. Thorne 1971-6-17 39964 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  SEINET12280103  Phacelia distans E. A. Purer 1935-1 6596 Los Angeles Comment
  LA205636  Phacelia douglasii Elizabeth McClintock; 1938-3-6 sn Los Angeles Playa del Rey Comment
  SEINET12280106  Phacelia douglasii H. M. Hall 1903-1 3778 Los Angeles Playa del Rey Comment
  UC284786  Phacelia floribunda P. A. Munz 1923-4-12 6779 a Los Angeles Wilson's Cove San Clemente Island Comment
  POM8647  Phacelia grandiflora P. A. Munz 1920-5-2 3832 Los Angeles San Dimas Canyon. 457 Comment
  SBBG64951  Phacelia grandiflora M. N. Ackley 1927-5-29 Los Angeles Mulholland Drive 548 Comment
  UCR111502  Phacelia grandiflora A. C. Sanders, D. Malueg 1998-6-22 22025 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 Comment
  UCR89973  Phacelia imbricata Scott D. White, Chet McGaugh 1995-6-6 3227 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  SEINET12280247  Phacelia imbricata E. A. Purer 1935-1 6581 Los Angeles Malibou Road, Santa Monica Mts Comment
  UCR126947  Phacelia imbricata subsp. imbricata Mark A. Elvin 2003-6-12 2943 Los Angeles Santa Clarita Valley, Newhall Ranch, south side of Potrero Canyon, south of Potrero Mesa 335 Comment
  UCR213952  Phacelia imbricata subsp. imbricata Dave Silverman, Cindy Hopkins 2007-4-27 6780 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 0.8 miles SSE of National Cement and 600m NE of Oso 3804 benchmark 1052 Comment
  UCR270836  Phacelia imbricata subsp. imbricata R. G. Swinney 2011-5-26 14867 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  POM18151  Phacelia longipes P. A. Munz 1923-5-26 6828 Los Angeles San Gabriel Mountains, Big Rock Creek on loose dry slope. 1524 Comment
  UC1584235  Phacelia longipes Tim Ross and Steve Boyd 1990-6-6 2878 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle (sw edge) 644 Comment
  UCR258773  Phacelia longipes R. G. Swinney 2010-6-23 13346 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  RSA0076147  Phacelia longipes LeRoy Gross 1999-6-5 161 Los Angeles San Gabriel Mountains. Along Rattlesnake trail, just above (east) of the Burkhart Trail along upper Little Rock Creek. 1707 Comment
  SBBG12265  Phacelia lyonii P. H. Raven 1962-5-8 17602 Los Angeles second cyn S of Seal Cove 30 Comment
  CHSC8107  Phacelia minor Edward L. Smith 1958-4-5 413 Los Angeles Located in Cobal Canyon. San Gabriel Mts. 304 Comment
  RSA0080974  Phacelia minor R. G. Swinney 2010-4-28 12402 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  CAS-BOT-BC145073  Phacelia mohavensis Victor Duran 1933-7-1 3512 Los Angeles Sulphur Springs, San Gabriel Mts. Comment
  SEINET12280298  Phacelia parryi Unknown 1934-1 9237 Los Angeles Santa Monica coast range Comment
  UC1174692  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  CAS-BOT-BC144948  Phacelia ramosissima var. austrolitoralis Peter H. Raven; Henry J. Thompson 1959-6-4 14319 Los Angeles Point Dume, Santa Monica Mountains 45 Comment
  RSA522336  Phacelia ramosissima var. latifolia Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4026 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  SEINET3158356  Phacelia whitlavia G. B. Grant 1901-1-1 965 Los Angeles Mt. Lowe Comment
  RSA188062  Phalaris minor R. F. Thorne 1966-4-4 35786 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  RSA0044609  Phlox gracilis A. C. Sanders 2007-4-19 33422 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  HSC46676  Pholisma arenarium B. C. Templeton 1938-8-31 6514 Los Angeles Dune Ravine, El Segundo; Upper Sonoran Zone 10 Comment
  RSA459305  Pholistoma racemosum F. R. Fosberg 1931-3-24 4345 Los Angeles Hamilton s Canyon, Santa Catalina Island 50 Comment
  UC455948  Pholistoma racemosum I. J. Condit 1911-3-27 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC134961  Phoradendron bolleanum Del Wiens 1953-12-10 882 Los Angeles Crystal Lake Area, San Gabriel Mts. 1676 Comment
  RSA0012045  Phoradendron densum R. G. Swinney 2009-4-29 10602 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA133209  Phoradendron macrophyllum Del Wiens 1958-12-10 2428 Los Angeles Mouth of Cobal Canyon, north of Claremont. 427 Comment
  UCR95510  Phoradendron macrophyllum L. C. Wheeler 1966-10-12 8979 Los Angeles San Gabriel Mtns., San Gabriel Canyon, E fork, 0.25 mi upstream from Heaton Flat 610 Comment
  POM354341  Phoradendron villosum Gary D. Wallace 1965-5-1 s.n. Los Angeles San Dimas. Comment
  UCR124593  Phoradendron villosum B. C. Templeton, I. W. Clokey 1930-4-8 1063 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 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
  UCR180792  Phoradendron villosum R. G. Swinney 1995-4-4 3475 Los Angeles San Gabriel Mtns., Glendora, Glendora Wilderness Park, upper east-facing slope of Mystic Canyon along upper Mystic Cyn. trail,, c. 0.4 mi. N of Big Dalton Cyn. Rd. 488 Comment
  UCR65261  Phyllospadix torreyi F. R. Fosberg 1931-4-12 S- 4575 Los Angeles Channel Islands, Santa Catalina Island, Jewfish Point 0 Comment
  RSA682938  Phyllospadix torreyi E. Yale Dawson 1958-3-15 18487 Los Angeles 25200 Malibu Road, Station #34. Comment
  RSA682966  Phyllospadix torreyi E. Yale Dawson 1957-3-14 16351 Los Angeles Lechuza Point, Los Angeles County Comment
  CDA41159  Physalis acutifolia Louis Wheeler 1931-9-11 s.n. Los Angeles 1/2 mile north of Claremont, near Los Angeles. 0 Comment
  RSA601637  Picris echioides L. C. Wheeler 1967-6-26 9871 Los Angeles Elsmere Canyon. 441 Comment
  RSA497254  Pinus coulteri L. C. Wheeler 1966-11-30 9163 Los Angeles San Gabriel Mountains: Crystal Lake cutoff c. 1 mi S from Snow Spring, Bear Creek off W Fk San Gabriel Drainage. Scattered grove below and some trees above Hwy for c. 1 mi both N and S of Snow Spring, on SW slope Mt. Islip 1768 Comment
  NY61553  Pinus halepensis C. Dziekanowski 1976-7-20 2413 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
  RSA638858  Pinus jeffreyi Valerie L. Soza, LeRoy Gross 1999-9-14 643 Los Angeles San Gabriel Mountains: Kratka Ridge, Upper Little Rock Creek-Williamson Rock climbing area. 2012 Comment
  MACF019662  Pinus monophylla F. A. M. 1924-5-8 1553 Los Angeles San Bernardino Mts Comment
  SEINET10932754  Pinus muricata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4822 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SBBG80496  Piperia cooperi S. A. Junak 1978-4-16 SCa 41 Los Angeles entrance to Fourth of July Cove 30 Comment
  RSA535327  Piptatherum miliaceum Timothy S. Ross 1991-5-20 5358 Los Angeles San Clemente Island, uppermost reaches of the Wilson Cove Canyon drainage; 3300 ft. NW of the 750 ft BM 142 Comment
  RSA702832  Pittosporum undulatum Scott D. White 2004-4-23 10237 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  UCR261544  Pittosporum undulatum R. G. Swinney 2010-2-27 11708 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
  LA82519  Pityrogramma triangularis O. H. Kappler; 1941-3-30 163 Los Angeles Santa Monica Mountains, W fork, Las Trancas Canyon 365 Comment
  CAS-BOT-BC71778  Pityrogramma triangularis var. viscosa Grant 1900-3-29 2381 Los Angeles Avalon, Santa Catalina I. Comment
  SBBG118740  Plagiobothrys arizonicus L. Gross with P. Morton 2004-6-9 1347 Los Angeles W end of main crest; S from Pacific Crest Trail along rd 7N23 past the 2nd Pacific Crest Trail that exits to the N; W of Bear Gulch Camp; T7N R17W S12,11,10&3 1688 Comment
  UC1069012  Plagiobothrys arizonicus A. D. Gifford 1935-3-31 530 Los Angeles 5 6/10 mi nw Redrock Mountain; Angeles National Forest, Tejon Quadrangle Comment
  UCR192592  Plagiobothrys arizonicus A. C. Sanders 2008-4-10 34814 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA592774  Plagiobothrys canescens Steve Boyd, Michael Wall 1996-4-4 8539 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 1.4 road miles south of jtn with 5N16. 488 Comment
  SEINET13365350  Plagiobothrys canescens G. B. Grant, W. Wheeler 1904-1 996 /6159 Los Angeles On Santa Catalina Island. Comment
  UCR185569  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2007-4-25 33526 Los Angeles Tehachapi Mtns. Foothills, lower Oso Canyon 1006 Comment
  JEPS21221  Plagiobothrys canescens var. catalinensis George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 996 /6159 Los Angeles Santa Catalina Island Comment
  CATA1877  Plagiobothrys collinus var. gracilis Denise Knapp 2003-3-31 Los Angeles Santa Catalina Island: Airport Burn, near photo station #2 440 Comment
  POM3835  Plagiobothrys nothofulvus P. A. Munz, L. T. Street, G. Williams 1919-4-5 2473 Los Angeles Puddingstone Canyon, San Dimas. 290 Comment
  UCR223097  Plagiobothrys tenellus R. G. Swinney 2009-6-2 11020 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCD124390  Plantago coronopus Robert F. Thorne; P. Everett 1965-5-11 34544 Los Angeles north of Catalina Harbor, Santa Catalina Island. 1 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
  RSA709408  Plantago erecta A. C. Sanders, T. B. Salvato 2005-4-26 29736 Los Angeles Western San Gabriel: Liebre Mtns. Region: Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  RSA512028  Plantago major Louis C. Wheeler 1966-10-1 8947 Los Angeles San Gabriel Mts., Angeles National Forest: Colby Ranch. 1098 Comment
  UCR261791  Plantago major R. G. Swinney 2010-9-13 13841 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR204019  Platanthera R. G. Swinney 2001-9-15 8142 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  POM1530  Platanus racemosa O. W. Robinson 1916-5-1 s.n. Los Angeles Claremont. Comment
  RSA133759  Platanus racemosa Peter H. Raven 1959-5-3 14093 Los Angeles Cahuenga Pass, near Woodrow Wilson Drive. 213 Comment
  UCR212799  Platanus racemosa Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1793 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, at intersection of San Dimas Canyon Road near 1st canyon home 461 Comment
  CAS-BOT-BC91669  Platystemon californicus Timothy S. Ross; Steve Boyd 1994-5-11 7802 Los Angeles Liebre Mountains. Sawmill Mountain. West summit area ca. 260-350 m SE of Sawmill Campground. 1621 Comment
  SD38060  Platystemon californicus Edith A. Purer 1931-3-8 1009 Los Angeles Griffith Park. Comment
  UCR281309  Platystemon californicus R. G. Swinney 2014-4-17 16077 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  SEINET10871892  Platystemon californicus David B. Dunn 1941-3-22 Dunn 881 Los Angeles Desert by goldtown below on desert floor. Larrya franseria formation. Comment
  RSA545331  Poa secunda Timothy S. Ross 1992-4-14 6154 Los Angeles San Clemente Island. Central E side of island; just below the mouth of Nanny Canyon on the rocky, rutted slope that drains northward. 137 Comment
  RSA600396  Poa secunda V. W. Steinmann 1996-4-7 824 Los Angeles San Gabriel Mountains, ca. 1 kilometer from trailhead at Cow Canyon Saddle along Coldwater Canyon Truck Trail. 1350 Comment
  UCR223445  Poa secunda R. G. Swinney 2009-6-3 11045 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR270515  Poa secunda R. G. Swinney 2010-4-13 12198 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  CAS-BOT-BC236200  Poa secunda subsp. secunda G. B. Grant 1906-6-19 6911 Los Angeles Summit, Mount Wilson Comment
  RSA607192  Poa secunda subsp. secunda L. C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, ca. 1/3 mile upstream from falls at first side canyon on east side 1067 Comment
  SBBG101155  Poa secunda subsp. secunda T. Ross 1992-4-14 6154 Los Angeles just below the mouth of Nanny Cyn 137 Comment
  UC1132826  Poa secunda subsp. secunda A. D. Gifford 1935-3-25 506 Los Angeles 5 1/4 mi nnw Sawmill Peak; Tejon Quadrangle Comment
  UC1971500  Poa secunda subsp. secunda Louis C. Wheeler 1973-4-21 s.n. Los Angeles FOOTHILLS OF SAN GABRIEL MOUNTAINS: 2 miles northeast Vincent. Comment
  UC589655  Poa secunda subsp. secunda Nell Murbarger April 1936 139 Los Angeles San Clemente Isl Comment
  VVC3238  Poa secunda subsp. secunda Tim Thomas 1977-5-5 97 Los Angeles Transverse Range, Santa Monica Mountains, Stunt Ranch 381 Comment
  UCR277148  Polycarpon tetraphyllum R. G. Swinney 2010-5-29 13245 Los Angeles San Gabriel Mountains, May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54 854 Comment
  SD40899  Polygonum argyrocoleon Carl B. Wolf none given 4216 Los Angeles Santa Catalina Island. Around the rock crusher at mouth of Pebbly Beach Canyon 14 Comment
  SD249268  Polygonum aviculare Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2195 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.3 miles north of China Point. 182 Comment
  UCSB1565  Polygonum aviculare Wedberg, H. 1958-4-14 Los Angeles UCLA campus above vivdrium Comment
  SEINET4691499  Polygonum hydropiper Dan S. Cooper 2011-1 711 -90 Los Angeles South Coast: Madrona Marsh. Torrance 24 Comment
  CATA3234  Polypodium californicum Julie L. King 2017-1-17 45 Los Angeles Santa Catalina Island: South side of West End Rd., 0.3 road miles southeast of eastern entrance to Emerald Bay 40 Comment
  POM12059  Polypodium californicum M. L. Kendall 1921-1-30 8 Los Angeles San Jose Hills, near Pomona Comment
  POM12376  Polypodium californicum M. L. Kendall 1921-3-23 93 Los Angeles Lone Hill, San Dimas Comment
  RSA177757  Polypodium californicum R. F. Thorne, Percy C. Everett 1965-5-12 34606 Los Angeles Bullrush Canyon, Santa Catalina Island 244 Comment
  SBBG80338  Polypodium californicum F. C. Boutin 1967-4-23 1658 Los Angeles Lemon Tank 304 Comment
  RSA329724  Polypodium californicum Gary D. Wallace 1966-3-25 223 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  UCSB62296  Polypodium californicum Kiefer, Lawrence 1968-1-21 Los Angeles Palos Verdes Peninsula, Malaga Canyon, ca. 25 yards above Via Campesina 243 Comment
  UCSB62409  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canyon Comment
  UC729759  Polypogon interruptus Carl B. Wolf 1932-5-12 3609 Los Angeles Middle Ranch Canyon Santa Catalina Island (near bridge on Lower Road to Isthmus); , Middle Ranch Canyon 30 Comment
  CATA1701  Polypogon monspeliensis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-6 3018 Los Angeles Santa Catalina Island: Parson's Landing 4 Comment
  LA10113  Polypogon monspeliensis H. M. Plunkett; A. M. Johnson 1932-5-5 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  CAS-BOT-BC320578  Polypogon viridis Peter Rubtzoff 1988-10-7 9960 Los Angeles Gold Creek Rd near jctn with Little Tujunga Rd, Little Tujunga Canyon, ca. 2 mi NE of the entrance to Angeles National Forest, or ca. 4 mi NE of jctn of Osborne St & Foothill Blvd., San Gabriel Mountains. 478 Comment
  RSA596986  Polypogon viridis Steve Boyd, Lauren Raz 1996-9-24 8960 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA747066  Polypogon viridis R. G. Swinney 2008-5-30 8913 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  SEINET10827282  Polypogon viridis Oscar D. Allen 1885-1 Allen s.n. Los Angeles Comment
  POM360817  Populus balsamifera subsp. trichocarpa Marcus E. Jones 1930-2-14 26534 Los Angeles San Antonio Canyon, San Gabriel Mountains. Comment
  POM360751  Populus fremontii Robert Gustafson 1978-6-1 988 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
  JEPS64557  Populus trichocarpa W. L. Jepson 1908-7-13 3060 Los Angeles Santa Catalina Isl'd Comment
  LA200831  Populus trichocarpa A. M. Johnson; 39 Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, Griffith Park Comment
  RSA0036063  Populus trichocarpa I. M. Johnston 1917-3-7 1447 Los Angeles Upper San Antonio Canon [Canyon] 2286 Comment
  RSA611540  Potamogeton foliosus var. foliosus L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  UC472160  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Lake Malibu; Santa Monica Mountains 304 Comment
  CAS-BOT-BC158284  Prunus fasciculata var. fasciculata Marcus E. Jones 1924-9-10 s.n. Los Angeles [Swartout] Swarthout Valley, San Gabriel Mts. Comment
  SD231428  Prunus fasciculata var. fasciculata Sula Vanderplank, Leroy Gross, Steve Hoskinson 2005-5-6 50506 73 Los Angeles Transvers Ranges; San Gabriel Mountains region: Bob's Gap. At the South edge of Bob's Gap. 1444 Comment
  RSA156033  Prunus ilicifolia subsp. lyonii Peter H. Raven 1962-5-22 17828 Los Angeles Santa Catalina Island: near mouth of Cherry Canyon 61 Comment
  RSA187780  Prunus lyonii Robert F. Thorne 1966-4-29 36313 Los Angeles Santa Catalina Island. In canyon leading to N slope of Black Jack Mt. 366 Comment
  SEINET3245952  Prunus virginiana R. G. Swinney 2009-1 11489 Los Angeles Transverse Range; San Gabriel Mtns. : Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. (Mescal Creek 7.5') 2060 Comment
  UCR275504  Pseudognaphalium beneolens D. E. Bramlet 2011-8-17 4927 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  RSA670691  Pseudognaphalium biolettii B. C. Templeton 1968-2-25 11386 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  SBBG19132  Pseudognaphalium biolettii M. A. Piehl 1963-12-7 631078 Los Angeles opposite Pyramid Head on SE tip of island 12 Comment
  RSA527791  Pseudognaphalium biolettii Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4357 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  LA88400  Pseudognaphalium californicum O. H. Kappler; 1940-7-1 66 Los Angeles Santa Monica Mountains, Carbon Canyon Comment
  RSA0087061  Pseudognaphalium californicum R. G. Swinney 2010-5-4 12509 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  CATA1797  Pseudognaphalium luteoalbum Benjamin E. Carter 2012-8-23 6981 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 310 Comment
  UCR243019  Pseudognaphalium luteoalbum R. G. Swinney 2009-8-6 11517 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
  UC896846  Pseudognaphalium microcephalum Carl B. Wolf 1932-10-3 Los Angeles about 1.25 mi from Wrigley Drive (on road to Renton Mine, about the head of right fork of Pebbly Beach Canyon); Santa Catalina Island, Pebbly Beach Canyon 304 Comment
  UC1402299  Pseudotsuga macrocarpa J. S. Horton 1938-9-21 8384 A Los Angeles Glendora Comment
  LA94238  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-4-10 1857 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  UC1440257  Pteris vittata L. L. Kiefer 1967-4-1 3153 Los Angeles n of Altadena (Millard Canyon ca. 1 mi above Millard Camp); San gabriel Mts, Millard Canyon 762 Comment
  SEINET3448119  Punica granatum Unknown 137 Los Angeles Los Angeles, Los Angeles Comment
  PASA1186  Purshia glandulosa Stason 1931-4-2 Los Angeles Rock Creek Comment
  SEINET3197315 Image available Purshia glandulosa Richard G. Swinney 2009-4-2 10244 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road. (Valyermo 7.5' Q) 1223 Comment
  UCR149775  Purshia glandulosa Scott D. White, Michael Honer 2004-3-30 9974 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  UCR220201  Purshia glandulosa R. G. Swinney 2009-4-2 10244 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  POM106168  Quercus X grandidentata Ernest Braunton 1902-6-11 485 Los Angeles Griffith Park Comment
  RSA2160  Quercus X macdonaldii Knopf, Johnson 1930-2-2 s.n. Los Angeles Pebble [Pebbly] Beach Canyon, Catalina Island. Comment
  SD1074  Quercus agrifolia Mary S. Snyder Los Angeles Claremont Comment
  POM18608  Quercus berberidifolia E. S. Spalding 1921-4-9 XIX- 2 b Los Angeles Ganesha Hills, Pomona. Comment
  RSA0035995  Quercus berberidifolia R. G. Swinney 2010-6-21 13259 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA668666  Quercus berberidifolia Steve Boyd, LeRoy Gross 2002-5-7 10435 Los Angeles Del Sur Ridge, upper Haskel Canyon drainage, west of Bouquet Canyon, southward from the Coarse Gold Road (5N24). 610 Comment
  RSA724504  Quercus berberidifolia K. Dobry 1991-3-23 d- 123 Los Angeles 415 Stunt Rd. Santa Monica Mts. Upper Cold Creek Cyn Comment
  SBBG52793  Quercus berberidifolia C. Davidson 1975-5-25 2552 Los Angeles ca. 1 mi NE of Old Ridge Route (USFS 8N04) 7N23 to Liebre Mtn 1356 Comment
  CAS-BOT-BC258375  Quercus chrysolepis P. S. Manos 1988-10-26 667 Los Angeles Angeles National Forest; San Gabriel Mts. Along Rte. 2 1900 Comment
  LA46472  Quercus chrysolepis Mary V. Hood; 1943-5-29 43- 51 k* Los Angeles San Gabriel Mountains, near Horse Flats 1676 Comment
  SEINET5792293 Image available Quercus chrysolepis Marcus E. Jones 1882-1 3035 Los Angeles Pasadena, California Comment
  UC1135368  Quercus chrysolepis A. Lewis Feb 1934 289 Los Angeles Indian Grove Angeles National Forest, San Fernando Quad. 1341 Comment
  UCD45534  Quercus chrysolepis Robert F. Thorne; M. Z. Thorne 1966-5-31 36420 Los Angeles Santa Catalina Island: In open oak woodland along N-facing slopes of ridge running from S end of Mt. Orizaba, S side of S fork of Fern Canyon, elev. ca. 1600 feet. 487 Comment
  UCD45535  Quercus chrysolepis Robert F. Thorne; M. Z. Thorne 1966-5-31 36418 Los Angeles Santa Catalina Island: smalll grove in open oak woodland along N-facing slopes of ridge running from S end of Mt. Orizaba, S side of S fork of Fern Canyon, elev. ca. 1400 feet. 426 Comment
  CAS-BOT-BC86205  Quercus dumosa Peter H. Raven 1959-3-8 13838 Los Angeles Santa Monica Mountains. On Mulholland Drive 5.0 miles W of Topanga Canyon 365 Comment
  POM257221  Quercus durata var. gabrielensis Annetta Carter 1940-1-11 1489 a Los Angeles ridge northeast on head of Baldwin Avenue, Sierra Madre, foothills of the San Gabriel Mountains 335 Comment
  RSA655779  Quercus durata var. gabrielensis LeRoy Gross, Laura Moore 2000-6-5 225 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  UCR272315  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 Devonwood Rd. 570 Comment
  RSA19029  Quercus durata var. gabrielensis E. S. Spalding 1921-3-28 s.n. Los Angeles San Dimas Canyon. 366 Comment
  RSA762408  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-9 3014 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 Comment
  RSA708556  Quercus engelmannii Valerie L. Soza, LeRoy Gross 2001-5-9 1198 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  UC630412  Quercus engelmannii Annetta Carter 1940-1-11 1489 c Los Angeles e side of canyon at head of Baldwin Avenue (foothills of the San Gabriel Mountains); Sierra Madre, San Gabriel Mountains 320 Comment
  UCR143539  Quercus garryana var. breweri Ward B. Holt 1941-10-19 5 -1941 Los Angeles Transverse Range, Not far from Artesian Spring Camp, road east of reservoir, Bouquet Canyon to Loma Pelona Lookout 1280 Comment
  UCR95197  Quercus garryana var. breweri Steve Boyd, Lauren Raz 1996-10-8 9014 Los Angeles Liebre Mtns. region, crest of Sierra Pelona area at the headwaters of the westerly fork of Maple Canyon, west of Mount McDill. 1402 Comment
  RSA616074  Quercus john-tuckeri Scott D. White, B. Leatherman 1997-1-15 6053 Los Angeles San Gabriel Mtns: Santa Clara River Watershed: mapped 'jeep trail' between Pole Cyn. and Bear Cyn. 793 Comment
  UCR56323  Quercus john-tuckeri S. J. Myers, Ed LaRue 1989-3-21 s.n. Los Angeles Western Mojave Desert, Palmdale area, Elizabeth Lake Road at California Aqueduct 887 Comment
  UCSB34819  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge, West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  UCSB60801  Quercus john-tuckeri Muller, Cornelius 1945-3-20 Los Angeles 5 mi. S of Caswell Comment
  RSA571669  Quercus kelloggii C. Epling 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  POM296401  Quercus pacifica Lyman Benson, Joseph Lanjouw 1953-5-2 15106 -b Los Angeles Catalina Island. North face of Swain Canyon, Whites Landing 366 Comment
  RSA679309  Quercus pacifica Mark A. Elvin, Janet Takera, Mary Meyer, Shelia Shyler, Sarah Crockett 1997-3-16 367 Los Angeles Santa Catalina Island. At curve in road past garden to Divide Rd. Comment
  UCR142716  Quercus pacifica M. B. Dunkle 1928-10-14 s.n. Los Angeles Channel Islands, Santa Catalina Island, Renton Mine Road 229 Comment
  SBBG47499  Quercus tomentella M. B. Dunkle 1939-11-25 8679 Los Angeles NE rim Comment
  RSA0035996  Quercus wislizeni var. frutescens R. G. Swinney 2010-6-21 13260 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  SBBG59037  Quercus wislizeni var. wislizeni R. Hoffmann 1927-9-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  UCR205903  Rafinesquia californica R. G. Swinney 2008-5-5 8780 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  RSA584857  Rafinesquia californica Timothy S. Ross 1993-6-1 7360 Los Angeles Just NW of Chantry Flat along Upper Winter Creek Trail. 732 Comment
  UC827828  Ranunculus hebecarpus Ira W. Clokey, B. Templeton Apr. 1929 4429 Los Angeles Mandeville Canyon Santa Monica Mountains (n slope) 300 Comment
  RSA431476  Raphanus sativus Anstruther Davidson 1902-06 s.n. Los Angeles Orchard Ave. Comment
  RSA608062  Raphanus sativus L. C. Wheeler 1931-2-15 s.n. Los Angeles Pomona. Comment
  RSA660780  Raphanus sativus J. Doughty 1985-5-19 201 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  UCR280797  Rapistrum rugosum Jesse York 2017-7-18 s.n. Los Angeles Los Angeles Basin; San Fernando Valley, Sepulveda Dam, Van Nuys 210 Comment
  UCR190247  Rhamnus californica R. G. Swinney 2000-6-19 7809 Los Angeles San Gabriel Mtns., west of Pine Mountain and north of Azusa, junction of FS Rd. 2N24 and Pine Mtn. spur rd. 1274 Comment
  SEINET10841813  Rhamnus californica Walter H. Lewis 1991-6-13 Lewis 14926 Los Angeles San Gabriel Mountains, San Antonio Canyon, Mt. Baldy Rd., near Hog Back turnoff. 1146 Comment
  SEINET3246090  Rhamnus crocea A. C. Sanders, Mitch Provance, T. B. Salvato 2009-1 37082 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte. 140 Comment
  UCR154220  Rhamnus crocea A. C. Sanders, T. B. Salvato 2005-5-24 30251 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  RSA0039610  Rhamnus crocea L. E. Hoffman 1931-10-12 s.n. Los Angeles Pacoima - near town. Comment
  LA30494  Rhamnus ilicifolia Jane Turner; T. Mosquin 1958-11-16 C 51 Los Angeles Comment
  NY42971  Rhamnus ilicifolia J. B. Walker 1995-3-29 1294 Los Angeles Angeles National Forest, East Fork Rd, 3km E of junction with Gabriel Canyon Rd 600 Comment
  OBI44797  Rhamnus ilicifolia David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20057 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  RSA39860  Rhamnus ilicifolia W. R. Dudley, F. H. Lamb 1896-6-7 4363 Los Angeles Kings Ca - on, Antelope Valley. Comment
  UCD112345  Rhamnus ilicifolia Kenneth A. Wilson 1961-3-10 952 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, ca. 1/4 mile west of Topanga Canyon Road. Comment
  POM9557  Rhamnus ilicifolia P. A. Munz 1920-3-10 3529 Los Angeles 1.5 mi. east of Claremont. 366 Comment
  RSA545273  Rhamnus pirifolia D. Propst, Hoefs 1973-3-3 16 Los Angeles Santa Catalina Island, upper White's Landing Road Comment
  SBBG11616  Rhamnus pirifolia P. H. Raven 1962-5-9 17683 Los Angeles near head of cyn above Mosquito Cove 274 Comment
Read comments
Feb 14 2006
  POM243720  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1928-3-29 1578 Los Angeles 2 mi. from Sandbergs on the Ridge Route, on road to Elizabeth Lake. 1098 Comment
  LA32122  Rhamnus tomentella subsp. tomentella Peter H. Raven; 1959-10-18 14679 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy 2.9 mi E of Decker Rd. 662 Comment
  CHSC109991  Rhus integrifolia L. P. Janeway; B. Castro 2011-11-25 10783 Los Angeles Peninsular Ranges. North slope of Puente Hills, Shabarum Re-gional Park; along the dirt road/trail up the main canyon 0.8 km south of the horse corrals. 229 Comment
  POM137321  Rhus integrifolia T. S. Brandegee 8833 Los Angeles San Clemente Island. Comment
  RSA150683  Rhus integrifolia P. H. Raven 1962-5-10 17729 Los Angeles Horse Canyon, the large canyon west Thirst, San Clemente Island 366 Comment
  RSA600438  Rhus integrifolia L. C. Wheeler 1933-6-17 1862 Los Angeles Claremont 365 Comment
  RSA710278  Rhus integrifolia A. C. Sanders, Lee Jones 2005-4-8 29356 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UC1215164  Rhus integrifolia Peter H. Raven 1962-4-10 17245 Los Angeles n of Thirst (west side of San Clemente Island); San Clemente Island 457 Comment
  UCR234430  Rhus integrifolia Jeremiah George 2012-3-11 s.n. Los Angeles South Coast, Palos Verdes Estates, just east of junction of Palos Verdes Blvd., Palos Verdes West and Palos Verdes Dr. North 73 Comment
  LA82202  Rhus ovata O. H. Kappler; 1944-2-13 546 Los Angeles SANTA MONICA MOUNTAINS, Lechusa Canyon, along Decker Rd. 152 Comment
  RSA386378  Rhus ovata Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  POM145719  Rhus trilobata var. quinata L. R. Abrams 1927-4-30 11748 Los Angeles West of Lancaster. Comment
  CAS-BOT-BC433167  Ribes Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mts., Swartout [Swarthout] Valley Comment
  RSA247303  Ribes amarum G. D. Wallace 1966-3-25 208 Los Angeles Millard Canyon, N of Altadena. 457 Comment
  RSA0009704  Ribes amarum Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  RSA0083312  Ribes aureum R. G. Swinney 2010-3-22 12028 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  LA33882  Ribes aureum var. gracillimum Henry J. Thompson; 1959-3-22 1872 Los Angeles Santa Monica Mountains, Lobo Canyon, 1 mi. W of Triunfo Canyon 243 Comment
  CAS-BOT-BC93079  Ribes californicum var. hesperium Le Roy Abrams 1899-4-1 250 Los Angeles Santa Monica Mountains. Comment
  CAS-BOT-BC93112  Ribes californicum var. hesperium Clarence R. Quick 1939-11-22 050 Los Angeles Collected in San Gabriel Canyon. Comment
  UC1334716  Ribes californicum var. hesperium John E. Stumbo and John C. Bayse 1963-12-10 Los Angeles native vegetation area of Lux Arboretum Annex; Monrovia 365 Comment
  RSA595510  Ribes indecorum Louis C. Wheeler 1969-2-16 s.n. Los Angeles San Gabriel Mountains. Bench 1/4 mi. east of confluence of Arroyo Seco and El Prieto Canyon. 388 Comment
  UC79751 Image available Ribes indecorum C. F. Baker 1904-2-17 4009 Los Angeles Claremont Comment
  UC1127276  Ribes malvaceum P. L. Johannsen 1934-1-27 248 Los Angeles 1 1/2 mi w Oat Mountain; Santa Susana Quadrangle Comment
  UCR100420  Ribes malvaceum Scott D. White 1997-11-30 6036 A Los Angeles San Gabriel Mtns, San Gabriel River Canyon: north of Azusa; south of unnamed dirt access road to gauging station below Morris Dam; just SE of private orchard. 259 Comment
  SFV15341  Ribes malvaceum var. malvaceum J. C. Dittes, P. Dittes 1990-3-17 52 Los Angeles Santa Monica Mountains Charmlee State Campground. 150 m west of gate near water seep on south side of road. 427 Comment
  UCR204213  Ribes nevadense R. G. Swinney 2001-9-16 8163 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  SBBG125928  Ribes quercetorum A. Parikh, N. Gale 2010-5-24 3210 Los Angeles Sierra Pelona, 5.0 km W of State Hwy 14, 1.6 km SW of California Aqueduct 1005 Comment
  CAS-BOT-BC186160  Ribes roezlii var. roezlii Carl B. Wolf 1928-3-29 1579 Los Angeles 2 mi. from Sandbergs on the ridge route, on road to Elizabeth Lake 1097 Comment
  RSA454977  Ribes viburnifolium M. B. Dunkle 1929-2-10 2049 Los Angeles Santa Catalina Island. Bullrush Canyon Comment
  CATA160  Ricinus communis Mark L. Hoefs, A. Douglas Propst 1973-3-14 121 Los Angeles Santa Catalina Island: Upper White's Landing Road 144 Comment
  UCR259938  Robinia pseudoacacia R. G. Swinney 2010-4-1 12148 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
  SEINET10536524  Romneya Walter H. Lewis Lewis 15647 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  RSA0080748  Romneya coulteri R. G. Swinney 2010-6-23 13369 Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  HSC19618  Rosa californica C. S. Apperson 1967-6-8 Los Angeles 4 mi. up Ruby Cyn. from Elizabeth Lake Cyn. Rd. Comment
  LA52071  Rosa californica Carl Epling; May 1927 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA449700  Rosa californica Anstruther Davidson s.n. Los Angeles Los Angeles. Comment
  RSA499274  Rosa californica Unspecified 1920-09 s.n. Los Angeles Topanga Canyon. Comment
  RSA191646  Rosa woodsii subsp. gratissima Robert F. Thorne, M. Z. Thorne 1966-8-29 36609 Los Angeles San Gabriel Mountains, Angeles National forest; Big Pines Recreation Area, on road from Big Pines to Valyermo 1860 Comment
  SEINET3156854  Roubieva multifida G. B. Grant 1133 Los Angeles collected at Pasadena Comment
  JEPS47295  Rubus pensilvanicus Joseph Andorfer Ewan 1932-6-24 7548 Los Angeles Arizona Ave 4 mi w Hawthorne; w of Hawthorne Comment
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Jul 23 2014
  UCR17465  Rubus pensilvanicus Anna Mayers 1978-4-14 s.n. Los Angeles Hollywood Hills, Griffith Park off Bronson, City of Los Angeles Comment
  UCSB2933  Rubus ursinus Haller, Norman 1953-5-17 Los Angeles Greanlead Canyon Rd., 1/2 mile North of Topanga Shopping Center, Santa Monica Mts. Los Angeles Co, Caiif 304 Comment
  RSA695945  Rumex Scott D. White, Michael Honer 2003-6-2 9437 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  SEINET13387118 Image available Rumex conglomeratus R. G. Swinney 2011-1 15412 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
  UCR269970  Rumex conglomeratus R. G. Swinney 2010-6-29 13387 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA719127  Rumex crispus Naomi Fraga 2001-5-18 45 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  RSA0104902  Rumex salicifolius R. G. Swinney 2011-10-18 15827 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA774168  Rumex salicifolius R. G. Swinney 2009-7-22 11341 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  UCR204554  Rumex salicifolius R. G. Swinney 2005-8-5 8369 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  UC557640  Rumex salicifolius var. salicifolius Nell Murbarger Apr 1936 45 Los Angeles w side San Clemente Island Comment
  UC56031  Rumex salicifolius var. salicifolius J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  POM348834  Rupertia physodes Anstruther Davidson 1890-04 s.n. Los Angeles Arroyo near Pasadena Comment
  UCD98445  Sagina apetala Daryl Koutnik 1978-4-21 406 Los Angeles Glendale at east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  RSA249788  Salazaria mexicana Robert F. Thorne 1973-5-11 43481 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  SFV3201  Salazaria mexicana K. A. Wilson 1961-4-29 1169 Los Angeles Mojave Desert 1 mile northwest of Valyermo. 1085 Comment
  SBBG132169  Salicornia pacifica S. A. Junak 1996-4-15 SCI 343 Los Angeles mouth of Horse Beach Cyn 6 Comment
  RSA597292  Salix exigua R. G. Swinney 1994-8-23 3224 Los Angeles San Gabriel Mountains: Mount Baldy Road on W shoulder, approx. 1/4 mi SW of Mount Baldy Road Junction with Glendora Mountain Road. 1220 Comment
  SJSU254  Salix exigua Carl W. Sharsmith 1932-1-17 13 Los Angeles Lower Gabriel Canyon c. 9.5 km above Azusa 304 Comment
  UC506456  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-1-28 7631 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  CHSC26073  Salix gooddingii R. C. Koukol 1968-5-9 21 Los Angeles Ca. 2 miles SE of La Canada at Devil's Gate Dam. 457 Comment
  RSA618762  Salix gooddingii Louis C. Wheeler 1976-1 s.n. Los Angeles Dominguez Hills. Comment
  CHSC26085  Salix laevigata Bill Barron 1968-4-9 6 Los Angeles Ca. 2 miles SE of La Canada along North shore of Devils' Gate Reservoir in San Gabriel Mtns. 304 Comment
  RSA652676  Salix laevigata H. J. Thompson 1959-5-22 1873 Los Angeles Santa Monica Mountains. (Lat. N 34 deg.; Long. 118 deg. -119 deg. W) along Triunfo creek, near mouth of La Sierra Canyon, about 1.5 miles west of Malibu lake. 183 Comment
  UC846598  Salix laevigata I. W. Clokey and B. C. Templeton 1930-4-8 4645 Los Angeles San Francisquito Canyon 800 Comment
  UCD111119  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mts. Comment
  POM362745  Salix lasiolepis Ora M. Clark 1929-3-29 1856 Los Angeles Tejon Pass. Comment
  SEINET3158609  Salix lasiolepis G. B. Grant 1161 Los Angeles Pasadena Comment
  UCR219411  Salix lasiolepis R. G. Swinney 2009-4-1 10242 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  UCR270868  Salix lasiolepis R. G. Swinney 2010-9-9 13792 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CAS-BOT-BC107555  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles between Calabasas and Agoura 285 Comment
  CAS-BOT-BC126296  Salix sessilifolia I. Johnston 1917-5-13 1242 Los Angeles El Monte 91 Comment
  CDA20312  Salsola australis M. O'Brien 2004-11-17 s.n. Los Angeles Southern California Coast; Malibu Creek State Park. Sheet 1 of 2. 0 Comment
  SFV22129  Salsola tragus V. Soza, L. Gross, M. Sripracha 2001-7-20 1358 Los Angeles Verdugo Mountains Whiting Woods Mountainway junction with Verdugo Mountain Mountainway, near radio facilities. Southeast-facing slope alongside paved road to radio facilities. 854 Comment
  UCR199988  Salsola tragus Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1358 Los Angeles Transverse Ranges; Verdugo Mountains, Whiting Woods Motorway junction with Verdugo Mountain Motorway, near radio facilities 854 Comment
  RSA0095115  Saltugilia australis P. A. Munz 1925-4-23 9460 Los Angeles San Gabriel Canyon. 488 Comment
  RSA585941  Saltugilia splendens subsp. grantii T. S. Ross, S. D. Boyd 1990-5-23 2637 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon. 1308 Comment
  CATA765  Salvia apiana Mark L. Hoefs 1991-5-28 1305 Los Angeles Santa Catalina Island: Near road from Black Jack to Middle Canyon [Cape Canyon Road] 469 Comment
  RSA401634B  Salvia apiana William Emboden 1970-6-12 10 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA442831  Salvia apiana William Emboden 1969-5-28 16 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA659440  Salvia apiana Monica Acosta 1998-5-26 29 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona). 226 Comment
  RSA589261  Salvia carduacea Tim S. Ross 1991-4-27 4665 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg SW of Three Sisters [buttes]. 1003 Comment
  RSA401458B  Salvia columbariae Roy R. Snelling 1977-3-19 15 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  UC1124713  Salvia columbariae A. D. Gifford 1934-5-8 211 Los Angeles 4 mi nw Castro Peak; Triunfo Pass Quad. 670 Comment
  UCR260012  Salvia columbariae R. G. Swinney 2010-4-1 12153 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
  UC76197  Salvia columbariae Miss E. D. Palmer Nov 1904 Los Angeles vicinity Los Angeles Comment
  UCR194037  Salvia dorrii R. G. Swinney 1999-6-5 7245 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA446284  Salvia dorrii var. pilosa Howard Mullins 1931-4-1 s.n. Los Angeles 1 miles south of Palmdale. (Antelope Valley). Comment
  SBBG127009  Salvia dorrii var. pilosa A. Parikh, N. Gale 2011-6-7 3424 Los Angeles Portal Ridge, 2 km W of Godde Hill Rd, 0.4 km S of California Aqueduct 1011 Comment
  SBBG96786  Salvia leucophylla T. Ross, S. Boyd 1990-6-6 2876 Los Angeles Piru Ponds 644 Comment
  UC50294  Salvia leucophylla H. M. Hall 1902-5-11 3258 Los Angeles Sierra Santa Monica Comment
  POM305154  Salvia mellifera Henry J. Ramsey 1937-4-26 423 Los Angeles Azusa. Comment
  POM62659  Salvia mellifera L. R. Abrams 1901-4-7 s.n. Los Angeles Verdugo Hills Comment
  SD186251  Salvia mellifera A. C. Sanders 2003-3-14 25763 Los Angeles Abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., and south of Foothill Blvd. 159 Comment
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Jun 22 2010
  SD30226  Salvia mellifera Paul Schallert 1943-4-18 Los Angeles Monrovia Comment
  RSA748436  Salvia sonomensis Justin M. Wood 2009-6-1 801 Los Angeles Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4) 1582 Comment
  LA200596  Salvia spathacea J. A. Ewan; 1931-3-21 4076 Los Angeles Santa Monica Mountains, Las Flores Canyon, near summit 609 Comment
  RSA434076  Salvia spathacea A. M. Johnson 1934-5-4 4472 Los Angeles Santa Monica Mtns: Sepulveda Canyon, beyond tunnel; bottom of ravine. Comment
  CLARK-A1703-88  Sambucus mexicana Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 304 Comment
  RSA584847  Sambucus mexicana T. S. Ross 1993-6-1 7362 b Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  CAS-BOT-BC238721  Sambucus nigra subsp. caerulea Alice Eastwood 1917-7-20 6471 Los Angeles Santa Catalina Island Comment
  RSA0087241  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-4 12532 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  SBBG13262  Sambucus nigra subsp. caerulea M. A. Piehl 1962-6-10 62393 Los Angeles E of Thirst 304 Comment
  SBBG69495  Sambucus nigra subsp. caerulea R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SFV3602  Sambucus nigra subsp. caerulea K. A. Wilson 1961-3-7 947 Los Angeles Santa Monica Mountains Mulholland Highway about 3 miles west of Las Virgenes Road. Comment
  UCR277024  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-25 12910 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA470995  Sanicula arguta Sam Tyson 1943-3-26 s.n. Los Angeles San Dimas Canyon 457 Comment
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Aug 21 2007
  RSA628035  Sanicula arguta L. C. Wheeler 1931-3-20 s.n. Los Angeles Pomona: Ganesha Heights, east end of San Jose Hills. 304 Comment
  LA32980  Sanicula crassicaulis Louis C. Wheeler; 1932-4-2 Los Angeles Santa Monica Mountains, Head of Mandeville Canyon 487 Comment
  POM155762  Sanicula crassicaulis M. L. Bryan 1928-4-20 89 Los Angeles Mandeville Canyon, near Santa Monica. Comment
  UC1006676  Sanicula crassicaulis C. Ritchie Bell 1953-3-8 3 X491 Los Angeles near Avalon (Santa Catalina Island); Santa Catalina Island Comment
  CAS-BOT-BC539831  Sanicula crassicaulis Carl Epling 1931-5-2 s.n. Los Angeles Santa Monica Mountains: Los Alisos Canyon Comment
  UC1598737  Sanicula tuberosa A. J. McClatchie 1893-3-30 3 Los Angeles Pasadena Comment
  UCR246417  Sanicula tuberosa Dan S. Cooper 2011-6-6 611- 78 Los Angeles Western San Gabriel Mountains, Portal Ridge, east of Three Points, off Pine Canyon Rd. 1332 Comment
  SD69005  Satureja douglasii Robert F. Thorne, D. Propst 1968-5-28 37647 Los Angeles Santa Catalina Island, middle Bulrush Canyon 244 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
  UCR55754  Schinus molle J. A. Adams 1966-6-10 244 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  SD252263  Schismus Steven A. Junak 1999-5-20 Sca 959 Los Angeles Santa Catalina Island: base of paved road leading to rop of Black Jack Peak, on SW side of peak. 530 Comment
  RSA632019  Schismus barbatus L. C. Wheeler 1973-4-8 s.n. Los Angeles San Gabriel Mountains: Little Tujunga Canyon. 426 Comment
  LA33906  Schoenoplectus acutus var. occidentalis Peter H. Raven; Henry J. Thompson 1959-10-14 14640 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  CAS-BOT-BC111232  Schoenoplectus californicus George B. Grant 1904-7-14 6334 Los Angeles East lake Reservoir Comment
  SBBG131701  Scirpus microcarpus S. A. Junak 1999-9-10 SCa 1094 Los Angeles Middle Ranch Cyn, inland from Ben Weston Beach (Mills Landing) 91 Comment
  RSA155827  Scrophularia villosa Peter H. Raven 1962-5-21 17806 Los Angeles Santa Catalina Island, Camp Cactus Road just about[above?] turn to Camp Cactus, about 0.5 mile east of Carlos. Comment
  SBBG128412  Scrophularia villosa M. L. Hoefs 1994-5-21 1862 Los Angeles near upper Renton Mine Rd 252 Comment
  SBBG53158  Scrophularia villosa S. A. Junak 1978-4-15 SCa 1 Los Angeles next to crk at upper end of Cherry Valley Boy Scout Camp; lower Cherry Valley 7 Comment
  UCD125762  Scutellaria mexicana James Dilley 1997-5-4 s.n. Los Angeles Angeles National Forest on the north slope of the San Gabriel Mountains. Mt. Emma Road, 1 mile east of Angeles forest Highway. Comment
  RSA0012265  Scutellaria siphocampyloides Orlando Mistretta, Youssef Atallah 2011-8-16 6052 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 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
  LA200011  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-16 1797 Los Angeles SANTA MONICA MOUNTAINS, Garapito Creek, ca 1 mi E of Topanga Canyon Rd. 396 Comment
  SD253313  Selaginella bigelovii R. G. Swinney 2011-10-27 15903 Los Angeles San Gabriel Mountains: West fork San Gabraiel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  CAS-BOT-BC363456  Senecio californicus Le Roy Abrams 1901-4-1 1197 Los Angeles Ballona Harbor Comment
  RSA191106  Senecio flaccidus var. douglasii R. F. Thorne, M. Z. Thorne 1967-6-25 37098 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  UC166894  Senecio flaccidus var. douglasii unknown 1906-9-14 Los Angeles Pasadena Comment
  SEINET7042286  Senecio flaccidus var. douglasii A. G. Vestal 1938-7-4 s.n. Los Angeles Bottom of Wash, Eaton Canyon, Angeles National Forest. Mount Wilson quadrangle. UTM Zone 11, 399333mE, 3785184mN. Comment
  RSA643397  Senecio ionophyllus Orlando Mistretta, Joe Mistretta 1992-9-22 816 Los Angeles San Gabriel Mountains: Pacific Crest Trail, between Cloudburst Summit and Cooper Camp. Comment
  CAS-BOT-BC341192  Senecio lyonii Reid Moran 1941-2-18 589 Los Angeles Mouth of Middle Ranch canyon, San Clemente Island Comment
  RSA473113  Senecio vulgaris F. R. Fosberg 1930-6-26 53036 Los Angeles Lower Ballona Creek. 6 Comment
  RSA402665  Sesuvium verrucosum T. H. Holmes 1933-4-25 s.n. Los Angeles Mohave Desert. Comment
  RSA594406  Setaria parviflora Steve Boyd, Lauren Raz 1996-10-14 9084 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. 1021 Comment
  IRVC29258  Setaria verticillata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25553 Los Angeles north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons Santa Clara River Valley 274 Comment
  SEINET7249135  Setaria viridis Andrew C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-1 37185 Los Angeles Los Angeles Basin Region; Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  RSA447541  Sherardia arvensis Anstruther Davidson 1911-07 2863 Los Angeles Alhambra. Comment
  RSA433863  Sidalcea malviflora M. Campbell 1931 Los Angeles Los Angeles. Comment
  UC108855  Sidalcea neomexicana H. E. Hasse Los Angeles Santa Monica Comment
  CATA3148  Silene antirrhina Sarah Ratay, Tyler Dvorak 2011-5-26 142 Los Angeles Santa Catalina Island: North of Echo Lake, northwest of Goat Harbor Road 383 Comment
  RSA477833  Silene antirrhina Anstruther Davidson 1890-3-24 s.n. Los Angeles Foothills L.A. Comment
  UC1215142  Silene gallica Peter H. Raven 1962-4-10 17184 Los Angeles above Wilson Cove; San Clemente Island, above Wilson Cove 60 Comment
  UCR140433  Silene gallica June Latting 1958-3-30 235 Los Angeles San Gabriel Mtns., end of Live Oak Canyon Road, 3 miles north of Claremont 610 Comment
  POM502080  Silene gallica L. R. Abrams 1899-03 225 Los Angeles Inglewood. Comment
  RSA213408  Silene gallica Bonnie C. Templeton 1939-4-6 7305 Los Angeles San Clemente Island. In grassy bluffs, Middle Ranch, Mosquito Harbor. Comment
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May 16 2008
  RSA477870  Silene gallica Freda Detmers 1929-4-13 s.n. Los Angeles Horse Trail, Santa Catalina Island. Comment
  RSA762297  Silene gallica Orlando Mistretta, Christine Mistretta 2008-5-6 2663 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  SD112102  Silene laciniata subsp. major Linda Allen 1975-6-15 Los Angeles Century Ranch, west Santa Monica Mountains. 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
  RSA0081490  Silene platyota LeRoy Gross, Valerie Soza 2003-6-10 1020 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., ca. 2.5 miles south of Mount San Antonio summit along trail. 2409 Comment
  RSA774864  Silene verecunda R. G. Swinney 2009-6-24 11248 Los Angeles Summit of Granite Mountain. 1988 Comment
  UCR43326  Silene verecunda David Charlton 1986-6-15 235 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  SEINET3371866  Silybum marianum G. Rink 2011-6-1 10566 Los Angeles Next to Highway 57, north of La Brea, weedy place 213 Comment
  SD69707  Sinapis arvensis Robert F. Thorne 1966-4-29 36291 Los Angeles Santa Catalina Island; disturbed ground near dam, Middle Ranch, Middle Ranch Canyon. 199 Comment
  POM490  Sisymbrium altissimum D. L. Crawford 1915-7-2 563 Los Angeles Claremont. Comment
  UCR214621  Sisymbrium irio A. C. Sanders, Dan S. Cooper 2010-3-12 37360 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA653684  Sisymbrium officinale Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 872 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. 365 Comment
  LA200924  Sisyrinchium bellum Carlos Hagen; 1980-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Zuma Creek?, near Point Dume. Comment
  LA200925  Sisyrinchium bellum Carlos Hagen; 1979-3-16 sn Los Angeles Santa Monica Mountains, at mouth of Malibu Creek Comment
  LA24000  Sisyrinchium bellum Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA133842  Sisyrinchium bellum H. J. Thompson 1959-5-31 2053 Los Angeles East of junction of Latigo Canyon Road with Mulholland Highway 518 Comment
  RSA79237  Sisyrinchium bellum G. R. Campbell 1952-6-28 17288 Los Angeles South slope Mt. (''Baldy'') San Antonio 2499 Comment
  SFV22014  Sisyrinchium bellum V. Soza, L. Gross, A. Munoz 2000-5-12 900 Los Angeles Verdugo Mountains Northwestern end of Verdugo Mountains. Crestline Drive from New Home Avenue in Sunland. Ridge east of 210 Freeway and west of fire road, south (above) water tank. Northeast-facing slope above fire road. 488 Comment
  UCR108185  Sisyrinchium bellum Steve Boyd, Valerie Soza 1998-4-28 10161 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, c. 2 mi west of the junction w/ Sierra Hwy in Mint Canyon, top of ridge on the south side of the canyon. 634 Comment
  SBBG119079  Solanum americanum S. D. White with P. De Vries 2004-6-14 10483 a Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  UC126818  Solanum americanum J. and H. W. Grinnell 1906-9-15 Los Angeles near Pasadena Comment
  UCR154191  Solanum americanum A. C. Sanders, T. B. Salvato 2005-5-24 30243 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  RSA584010  Solanum douglasii Tim S. Ross 1991-4-25 4593 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  RSA703329  Solanum douglasii LeRoy Gross 2005-2-15 1398 Los Angeles About 1/4 mile beyond the cemetery up Brand Canyon, on the south side of the mountains. 356 Comment
  UCD126023  Solanum douglasii Natalie deGarder 1992-5-30 22 Los Angeles Altadena, 1.5 mi. from Highway 210 up Lincoln Rd to top of Rising Hill Road. 518 Comment
  UCR259966  Solanum douglasii R. G. Swinney 2010-3-18 11982 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  POM8503  Solanum douglasii Philip A. Munz, R. D. Harwood 1920-5-13 3935 Los Angeles Cold Water canyon. 305 Comment
  RSA422436  Solanum douglasii Robin S. Collins 1973-5-15 298 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 609 Comment
  LA51798  Solanum elaeagnifolium J. A. Ewan; September 258 1932 680 Los Angeles West Los Angeles Comment
  RSA703835  Solanum sarrachoides A. C. Sanders, Mark A. Elvin 2002-6-20 25217 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  RSA0091719  Solanum umbelliferum R. G. Swinney 2011-3-17 14132 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA610968  Solanum umbelliferum Louis C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2012 Comment
  UC26268  Solanum umbelliferum W. H. Brewer 1861-2-1 207 Los Angeles Santa Susanna Mountains Comment
  UCR191518  Solanum umbelliferum R. G. Swinney 1998-7-8 6316 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR209499  Solanum umbelliferum R. G. Swinney 2008-6-17 9032 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  POM305698  Solanum umbelliferum Henry J. Ramsey, Henry J. Ramsey 1937-3-26 968 Los Angeles Pacoima Canyon, near San Fernando, Angeles National Forest. Comment
  SBBG55465  Solanum umbelliferum S. Michael 1967-5-12 28 Los Angeles Pomona College Wash, Claremont near San Bernardino county line, S of US Hwy 66 335 Comment
  CAS-BOT-BC237746  Solanum wallacei A. J. McClatchie 1893-9-10 s.n. Los Angeles Valley, Catalina Island Comment
  NY820741  Solanum wallacei F. R. Fosberg 1932-5-6 8169 Los Angeles Santa Catalina I. [Island], Big Wash Can. Avalon 25 Comment
  SBBG70638  Solanum xanti M. N. Ackley 1927-6-5 977 Los Angeles old trail to Switzerland 457 Comment
  SBBG70643  Solanum xanti R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UCR130060  Solanum xanti George K. Helmkamp, E. A. Helmkamp 1998-5-21 4057 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  RSA473691  Solidago confinis Thekla Mohr 1915-1 3007 Los Angeles North Fork, San Gabriel River. Comment
  JEPS32448  Solidago velutina subsp. californica F. W. Peirson 1918-11-1 230 a Los Angeles Arroyo Seco , Arroyo Seco (San Gabriel Mts.) 1295 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
  RSA596190  Sonchus asper Lauren Raz, S. D. Boyd 1996-10-23 023 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  UC1215152  Sonchus asper Peter H. Raven 1962-4-12 17336 Los Angeles narrow canyon s of canyon below the Tomb (w side San Clemente Island); w side San Clemente Island 274 Comment
  RSA127961  Sonchus oleraceus H. J. Thompson, P. H. Raven 1959-6-4 14346 Los Angeles Point Dume. 15 Comment
  RSA188044  Sonchus oleraceus R. F. Thorne 1966-4-5 35846 Los Angeles Santa Catalina Island, Cottonwood Canyon. 107 Comment
  OBI35712  Sonchus oleraceus Rebecca Cicoria 1982-5-8 62 Los Angeles Palos Verdes Peninsula, Sepulveda Cyn, along Si's Trl, Rolling Hills Comment
  UCD136208  Sonchus oleraceus Kenneth A. Wilson 1961-2-21 875 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  RSA588698  Spartium junceum Orlando Mistretta 1995-7-12 1916 Los Angeles San Gabriel Mountains: Little Rock Creek Confluence on Little Rock Creek and South Fork fo Little Rock Creek. 1220 Comment
  UCR213427  Spergula arvensis A. C. Sanders, Dan S. Cooper 2010-3-12 37327 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SD237403  Spergularia A. C. Sanders 2003-8-6 27114 Los Angeles NE end of Santa Susana Mountains: Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters (Val Verde 7.5'Q) 320 Comment
  RSA0098605  Spergularia marina M. B. Dunkle 1928-3-17 1737 Los Angeles Santa Catalina Island, Howland's Landing. Comment
  SDSU4521  Spergularia marina A. H. Gallup 1949-3-17 343 Los Angeles 152 Comment
  SEINET3195634 Image available Spergularia rubra G. Rink 2011-6-6 10598 Los Angeles Just south of the Triple Clays Shooting Range in Whittier. 50 Comment
  RSA0098141  Spergularia rubra L. C. Wheeler 1932-10-21 1432 Los Angeles Temple City. 107 Comment
  UCD116769  Sphaeralcea ambigua Rudolf Schmid 1962-5-18 s.n. Los Angeles Below road to Kellogg Hall, Cal Poly, Pomona. Comment
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Jan 1 2018
  RSA65446B  Spraguea F. W. Peirson 1905-7-14 37 Los Angeles South of summit of Mt. San Antonio, San Gabriel Mountains Comment
  RSA46602  Stachys albens Frances Runyan 1971-7-14 s.n. Los Angeles Moist draw, 3 1/2 miles west of Acton, Agua Dulce Canyon Road, Agua Dulce. 701 Comment
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May 11 2016
  LA26158  Stachys bullata Judith Webb; 1955-4-2 s.n. Los Angeles SANTA MONICA MOUNTAINS, near Mount Saint Mary's College. 243 Comment
  LA52370  Stachys rigida var. rigida Carl Epling; May 1927 Los Angeles Santa Monica Mountains, Universal City, hills in rear [S] of 213 Comment
  UCSB33628  Stanleya pinnata Fong, Fred 1963-5-15 Los Angeles Little Rock Dam, San Gabriel Mountains 914 Comment
  RSA611606  Stanleya pinnata var. pinnata L. C. Wheeler 1968-5-12 s.n. Los Angeles 2/3 mile E of Juniper Bowl, Juniper Hills. 1158 Comment
  CAS-BOT-BC374809  Stebbinsoseris heterocarpa Steven A. Junak 1997-4-8 SCI- 790 Los Angeles California Islands. San Clemente Island: W side of island, on flats just N of upper portion of Wall Rock Canyon 310 Comment
  RSA478181  Stellaria media F. R. Fosberg 1931-4-16 S- 4644 Los Angeles Eagles Nest, Middle Ranch Canyon; Santa Catalina Island. 180 Comment
  POM308941  Stellaria nitens Kay H. Beach 1940-5-14 695 Los Angeles along trail to Cattle Canyon Comment
  RSA139165  Stephanomeria blairii Reid V. Moran 1958-9-15 6824 Los Angeles San Clemente Island: canyon 1.8 miles SE of Eel Point. 100 Comment
  POM56349  Stephanomeria cichoriacea C. F. Baker 1903-8-2 3656 Los Angeles San Gabriel Mountains: San Antonio Canyon near Claremont. Comment
  RSA474169  Stephanomeria cichoriacea Geo. C. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson Trail. 762 Comment
  CAS-BOT-BC375474  Stephanomeria exigua subsp. exigua W. R. Dudley; F. H. Lamb 1896-6-4 4309 Los Angeles Lancaster Comment
  SBBG67884  Stephanomeria exigua subsp. exigua R. Hoffmann 1929-5-20 Los Angeles W Mojave Desert Comment
  POM211779  Stephanomeria pauciflora var. pauciflora L. C. Wheeler 1933-9-26 2123 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  PASA347  Stephanomeria runcinata Frank W. Peirson 1928-9-4 Los Angeles Roock Creek about 1 mile below canyon Comment
  UCR210476  Stephanomeria virgata R. G. Swinney 2008-11-30 9897 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCR51520  Stipa cernua A. C. Sanders 1988-2-3 7603 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  UCR259125  Stipa coronata var. coronata R. G. Swinney 2010-5-4 12522 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  CATA1630  Stipa lepida Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2903 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 256 Comment
  RSA0120154  Stipa lepida R. G. Swinney 2014-5-27 16684 Los Angeles San Gabriel Mountains; Glendora, Glendora Peak (Glendora. C.5 set by County Surveyor. 1937), 0.74 miles ENE (34 deg.) of Azusa Pk., adj. and south of Glendora Ridge Mtwy. 791 Comment
  LA105744  Stipa miliacea A. C. Sanders; 1988-5-18 7839 Los Angeles El Segundo Dunes, immediately W of LA International Airport and E of Vista Del Mar Blvd Comment
  UCR209895  Stipa occidentalis R. G. Swinney 2008-7-24 9282 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  CATA25  Stipa pulchra USC Wrigley Interns: Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 9 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  CATA3408  Stipa tenuissima Julia A. Parish 2017-4-19 022 Los Angeles Santa Catalina Island: Avalon Canyon, 357 West Whittley Avenue 46 Comment
  CAS-BOT-BC61000  Streptanthella longirostris Ernest C. Twisselmann 1965-5-5 10702 Los Angeles Mojave Desert. Lancaster Boulevard near the Kern County Line. (Edwards Air Force Base). 746 Comment
  POM50642  Streptanthella longirostris A. D. E. Elmer 1902-06 3625 Los Angeles Lancaster. Comment
  RSA383487  Stuckenia pectinata Anstruther Davidson 1918 Los Angeles E. Los Angeles. Comment
  CAS-BOT-BC376010  Stylocline gnaphaloides F. W. Peirson 1921-5-20 2789 Los Angeles Little Rock Creek, San Gabriel Mts. 1097 Comment
  CHSC100159  Stylocline gnaphaloides John Dittes 2006-5-20 1376 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 3.7 air-miles northeast of Verdugo Hills High School, ca. 2.5 air-miles southwest of Condor Peak, ca. 2.5 air-miles south x southeast of Mt. McKinley; slope above Trail Canyon Creek, north of Big Tujunga Rd. 528 Comment
  RSA653475  Stylocline gnaphaloides Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 785 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  UCR165064  Stylocline gnaphaloides A. C. Sanders, Helen Kennedy 2005-4-13 29465 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA587153  Stylocline gnaphaloides Orlando Mistretta 1995-4-28 1654 Los Angeles San Gabriel Mountains: Kitter Canyon. Slopes W of main canyon. 1235 Comment
  OBI56531  Stylocline masonii Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4965 a Los Angeles Soledad Cyn Wash (easterly extension of the Santa Clara river wash system); broad sandy wash 2600 ft ESE of Acton. T5 R13W, SE/4 SE/4 sect 36, Acton 7.5 USGS quad 829 Comment
  UC1929981  Stylomecon heterophylla V. Soza, LeRoy Gross 2002-4-3 1380 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 549 Comment
  SEINET4471316  Stylophyllum hassei B. Trask 1902-1 s.n. Los Angeles Comment
  POM183479  Symphoricarpos mollis Joseph A. Ewan 1929-5-4 3469 Los Angeles Santa Monica Mountains, Santa Ynez Canyon. Comment
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