Search Results — 2000 specimen records retrieved (1558 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SFV252  Abies concolor P. G. Kilburn 1957-12-19 570 Los Angeles San Gabriel Mountains Base of Mount Waterman ski lift 1982 Comment
  RSA460979  Abronia John P. Hill 1929-3-1 s.n. Los Angeles El Segundo. Comment
  LA200661  Abronia maritima Jonathan Sauer; D. Birindelli, L. Birindelli 1968-5-6 4345 Los Angeles Santa Monica Mountains, Point Dume 365 Comment
  IRVC26141  Abronia pogonantha B. C. Templeton 1931-5-17 1201 Los Angeles between Palmdale and Lancaster Mojave Desert 762 Comment
  RSA20227  Abronia pogonantha Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9495 Los Angeles Highway between Adelanto and Lancaster. Comment
  RSA0065426  Acacia retinodes Marvin L. Becker 1948-2-13 s.n. Los Angeles Priv. res. Los Angeles. Comment
  POM42138  Acamptopappus sphaerocephalus var. hirtellus H. M. Hall, H. P. Chandler 1906-6-11 7388 Los Angeles Near Lancaster, in the lower Sonoran Zone of the Mohave Desert. 213 Comment
  CAS-BOT-BC331557  Acer macrophyllum James R. Shevock 1974-4-30 3433 Los Angeles Adjacent to San Gabriel Dam S of Angeles Crest Hwy, San Gabriel Mts., Angeles National Forest 457 Comment
  RSA650006  Acer macrophyllum Matt Bogdanoff 1981-5-27 41 Los Angeles Ca Hwy 39, 6.3 mi N of junction with Sierra Madre Ave., N of Azusa. 488 Comment
  SBBG31503  Achillea millefolium R. M. Beauchamp 1967-3-18 261 Los Angeles E of Bluff Comment
  UCR223129  Achillea millefolium R. G. Swinney 2009-7-22 11345 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  POM186248  Achillea millefolium Joseph A. Ewan 1933-7-4 7873 Los Angeles San Gabriel Mtns. Ridge east of Monrovia Peak 1372 Comment
  RSA94579  Achillea millefolium F. W. Peirson 1919-5-18 443 Los Angeles San Gabriel Mtns. Monrovia Canyon. 396 Comment
  RSA239453  Achillea millefolium var. californica E. R. Blakley 1962-6-10 5219 Los Angeles Wilson Cove, San Clemente Island. 9 Comment
  RSA138239  Achnatherum coronatum P. H. Raven, HJ Thompson 1959-5-5 14159 Los Angeles Malibu Canyon, 3 miles south of Tapia Park 91 Comment
  SEINET261377 Image available Achnatherum coronatum Mary E. Barkworth 1981-1 4086 Los Angeles Angeles National Forest. Beside CA 20, just East of marker 41.16. 1370 Comment
Read comments
Sep 15 2014
  RSA748408  Achnatherum speciosum Justin M. Wood 2009-6-1 785 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  OBI5979  Acmispon glaber var. brevialatus Carl B. Wolf 1931-7-21 2935 Los Angeles Upper Sonoran. Little Tujunga Wash, 1/2 mi aobve bridge on Sunland to San Fernando Rd 335 Comment
  SFV1853  Acmispon strigosus P. G. Kilburn 1958-4-12 714 Los Angeles San Gabriel Mountains Soledad Canyon, 0.5 miles south of junction with U. S. Highway 6. 900 Comment
  POM6262  Acourtia microcephala Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  RSA188364  Acourtia microcephala R. F. Thorne, P. Everett 1965-6-22 34890 Los Angeles Santa Catalina Island. At upper end of Avalon Canyon along road. 213 Comment
  UCD128469  Acourtia microcephala Daryl Koutnik 1978-6-24 548 Los Angeles on north-facing slope, Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  SEINET5543328  Acroptilon repens S. Boyd, M. Elvin, V. Jotikasthira 1996-1 8866 Los Angeles Liebre Mountains, along the Ridge Route west of Castaic Canyon, 1.3 miles north of the junction with Templin Highway, just north of small development on private land. 853 Comment
  RSA0072131  Adenostoma fasciculatum Fran Dourisboure 1966-5-10 8 Los Angeles San Raphael Hills. 213 Comment
  RSA453177  Adenostoma sparsifolium H. L. Bauer 1932-8-12 s.n. Los Angeles Saddle Peak Santa Monica Mountains. Comment
  RSA737152  Adiantum capillus-veneris Scott D. White, Chris Huntley 2008-9-30 12545 Los Angeles San Gabriel River- West fork between Bear Creek and Cogswell Dam. 610 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
  CAS-BOT-BC65641  Adiantum jordanii Geo. B. Grant 1901-1-1 177 Los Angeles Pasadena Comment
  LA94092  Adiantum jordanii Lawrence L. Kiefer; 1966-4-30 1953 Los Angeles SANTA MONICA MOUNTAINS, ca 1.5 mi SW of Lake Sherwood. 304 Comment
  RSA616134  Adiantum jordanii L. C. Wheeler 1967-5-18 9628 Los Angeles San Gabriel Mountains: Placerita Canyon. T4N R15W sec. 4. 518 Comment
  UCR23352  Adiantum jordanii John C. Roos 1942-4-18 1084 Los Angeles Transverse Range; San Gabriel Mtns., East Fork of Santa Anita Canyon Comment
  SEINET10720747  Agave Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2625 Los Angeles Temple City, Valumart Food Warehouse, 6340 Rosemead. Comment
  RSA0081386  Ageratina adenophora R. G. Swinney 2010-8-26 13590 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  UCR231791  Ageratina adenophora Darren T. Hasegawa 2007-4-21 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  UCR258954  Ageratina adenophora R. G. Swinney 2010-2-27 11756 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  CDA6747  Ageratina adenophora H. Daniels, Foster 1952-2-1 Los Angeles Griffith Park, Los Angeles. 0 Comment
  RSA0089521  Agrostis idahoensis R. G. Swinney 2011-8-17 15623 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA605022  Agrostis stolonifera L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  UCR205944  Ailanthus altissima A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37069 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  LA201977  Albizia lophantha Arthur C. Gibson; 2004-3-10 5009 Los Angeles 146 Comment
  CHSC95921  Allium burlewii LeRoy Gross; Valerie Soza 2003-6-10 1017 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. UTM Zone; 3793403N 0439641E. Just off the trail. 2896 Comment
  RSA70455  Allium burlewii F. W. Peirson 1918-6-17 4 Los Angeles Summit of North Baldy, San Gabriel Mts. 2820 Comment
  RSA649699  Allium fimbriatum Michael Horn 1991-5-7 30 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site 1463 Comment
  RSA366472  Allium monticola Fred Burlew 1916-07 3135 Los Angeles Mt. San Antonio. San Gabriel Mountains. Comment
  RSA366489  Allium peninsulare var. peninsulare Anstruther Davidson 1921-6-1 3426 Los Angeles San Gabriel Mountians Comment
  POM158342  Allium praecox M. B. Dunkle 1928-3-31 1761 Los Angeles Santa Catalina Island: Little Harbor 61 Comment
  RSA191135  Allophyllum divaricatum R. F. Thorne, M. Z. Thorne 1967-6-25 37089 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  UC55345  Allophyllum glutinosum J. H. Barber 1898-8-3 Los Angeles Topango Comment
  UCR281706  Allophyllum glutinosum B. C. Templeton 1939-4-26 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Huntington Palisades [neighborhood in Pacific Palisades] Comment
  RSA248662  Allophyllum glutinosum Christopher Davidson 1974-6-4 2289 Los Angeles Tapia Park, off Malibu Canyon Rd. 46 Comment
  CAS-BOT-BC170977  Alnus rhombifolia Fordyce Grinnell 1903-12-22 29 Los Angeles Arroyo Seco Canon [canyon], near Pasadena Comment
  POM184703  Alnus rhombifolia Joseph A. Ewan 1932-5-29 7182 Los Angeles Along stream at head of arrastre Canyon North slope Mt. Gleason. Upper Sonoran 1524 Comment
  SBBG112923  Amaranthus albus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-10-22 SCa 825 Los Angeles Cherry Cove near buildings at Boy Scout Camp Comment
  RSA598952  Amaranthus albus R. G. Swinney 1989-8-5 s.n. Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. Glendora Ridge Motorway, 1/4 mi. W of Glendora Mountain Road. 731 Comment
  IRVC28762  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-8-7 25558 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  UCR95243  Amaranthus blitoides L. C. Wheeler 1945-9-20 6152 Los Angeles San Gabriel Mtns., Kinneloa ('Sycamore') Canyon, near base of mountains 366 Comment
  UCR151880  Amaranthus blitum Tom Yutani 1989-4-27 s.n. Los Angeles La Mirada. Rosecrans Ave and Beach Blvd (Hwy 39), between Hwy 39 and Coyote Creek 46 Comment
  CAS-BOT-BC13486  Amblyopappus pusillus George B. Grant; Walter Wheeler 1904-4-21 38 -4682 Los Angeles Catalina Island Comment
  RSA3744  Amblyopappus pusillus C. B. Wolf 1932-5-11 3569 Los Angeles Santa Catalina Island. On point at west side of Fourth of July Cove. Comment
  CAS-BOT-BC42898  Ambrosia acanthicarpa Ernest C. Twisselmann 1956-9-14 3167 Los Angeles Upper end of Castaic Valley 1188 Comment
  JEPS40936  Ambrosia acanthicarpa W. L. Jepson 1941-10-28 20649 Los Angeles 4-8 mi s-se of, near Caswell road station Gorman; Peace Valley 914 Comment
  RSA594792  Ambrosia acanthicarpa Steve Boyd, Lauren Raz 1996-10-29 9103 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  UCD128707  Ambrosia acanthicarpa James Dilley 1996-10-26 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest, Vincent Gap, on Angeles Crest Hw. Comment
  RSA416928  Ambrosia chamissonis L. E. Hoffman 1929-5-16 s.n. Los Angeles Castle Rock, Santa Monica. Comment
  CAS-BOT-BC44999  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  RSA739770  Ambrosia confertiflora John Dittes, R. A. Dittes 2006-10-30 1422 Los Angeles El Encino Land Grand, S Coast Sub-region, San Fernando Valley, Sepulveda Dam Flood Control Basin, 2.2 air miles SW of Van Nuys Civic Center, 0.9 air mile S of Victory Blvd, 0.9 air mile W of the San Diego Freeway 405,, 0.6 air mile N of the Ventura Freeway 101, next to Apollo field Model Airport. 207 Comment
  SBBG61686  Ambrosia salsola var. salsola R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  CAS-BOT-BC142545  Amelanchier utahensis Wesley O. Griesel 1959-5-3 s.n. Los Angeles Big Pines - San Gabriel Mtns. 1524 Comment
  UC1925831  Amelanchier utahensis Larry Kelly and Dave Keil 1989-4-21 354 Los Angeles Along Big Pine Highway Comment
  CAS-BOT-BC180645  Amorpha californica var. californica Ernest Braunton 1902-6-1 424 Los Angeles Elysian Park Comment
  SFV17015  Amorpha californica var. californica J. D. Dilley 1997-5-22 182 Los Angeles Verdugo Mountains Verdugo Mountains. La Tuna Canyon Park on La Tuna Canyon, 1 mile west of Interstate Highway 210. 0.5 miles upstream. 550 Comment
  SD85083  Amsinckia intermedia E. R. Blakley 1963-4-7 5519 Los Angeles Santa Catalina Island, Middle Ranch Canyon, ca. 1 miles above Middle Ranch 230 Comment
  SEINET3151699  Amsinckia intermedia G. B. Grant Error Los Angeles Pasadena Comment
  UCR216875  Amsinckia intermedia R. G. Swinney 2009-3-13 10115 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  POM71508  Amsinckia intermedia Marcus E. Jones 1882-9-13 s.n. Los Angeles Los Angeles Comment
  RSA0079997  Amsinckia intermedia Doris Bowers 1957-3-23 266 Los Angeles Rocky Point, LaVerne. 335 Comment
  RSA499963  Amsinckia intermedia L. C. Wheeler 1934-3-23 2461 Los Angeles San Dimas Canyon, San Gabriel Mts. 427 Comment
  UCR192537  Amsinckia tessellata var. gloriosa A. C. Sanders 2008-4-10 34834 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
  UCR220203  Anagallis arvensis R. G. Swinney 2009-4-3 10276 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. 183 Comment
  RSA465141  Anagallis arvensis John E. Marble 1894-3-30 s.n. Los Angeles Between Glendora and San Dimas. 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
  RSA592351  Ancistrocarphus filagineus L. C. Wheeler 1967-5-9 9414 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  JEPS20402  Androsace elongata subsp. acuta Philip A. Munz 1937-3-26 14937 Los Angeles San Dimas , San Dimas (Puddingstone Canyon) 304 Comment
  UCR240239  Anthriscus caucalis Dan S. Cooper 2011-3-11 311- 41 Los Angeles San Gabriel Mountains Foothills, Monrovia Hills, 'Hidden Valley' north of Hidden Valley Ave. 258 Comment
  UC1595271  Antirrhinum coulterianum Tim Ross and Peter Fritsch 1990-6-20 3662 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1328 Comment
  UCR88617  Antirrhinum kelloggii Scott D. White, Chet McGaugh 1995-5-16 3084 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  RSA580188  Antirrhinum multiflorum Tim S. Ross, Steve D. Boyd 1994-5-25 7919 Los Angeles Warm Springs Mountain: ca 450 m NW of summit. 1140 Comment
  RSA725897  Antirrhinum multiflorum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2927 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA729337  Antirrhinum multiflorum R. G. Swinney 1999-7-28 7583 Los Angeles San Gabriel Mtns.: Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence. 951 Comment
  UC1871020  Antirrhinum multiflorum T. S. Ross, W. Appleby 1993-5-13 7121 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  RSA150857  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-4-12 17313 Los Angeles Head of canyon near the Tomb. Semishade. San Clemente Island Comment
  UC859112  Aphanes occidentalis F. R. Fosberg 1931-3-24 S 4341 Los Angeles Hamilton Canyon; Santa Catalina Island 75 Comment
  RSA535283  Aphanisma blitoides T. S. Ross 1991-5-20 5349 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  SD115060  Aphyllon californicum subsp. feudgei W. P. Armstrong 1983-8-1 1157 Los Angeles San Gabriel Mountains; Blue Ridge Road near turnoff to Guffy Campground. 2377 Comment
  UC56942  Apiastrum angustifolium Ernest Braunton 1902-5-27 264 Los Angeles near Sherman Comment
  SD51894  Apiastrum angustifolium Peter H. Raven 1962-5-9 17665 Los Angeles San Clemente Island, grassland near head of canyon at south end of Mosquito Cove 320 Comment
  RSA766898  Apium graveolens P. Reisentz 1977-4-23 s.n. Los Angeles Malibu Lagoon, 5 miles west of Highway 27 on Pacific Coast Highway 1 Comment
  RSA127979  Aptenia cordifolia P. H. Raven, Henry J. Thompson 1959-10-18 14662 Los Angeles Coast Highway at mouth of Topanga Canyon 5 Comment
  UCR138510  Aquilegia formosa L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains, Fish Fork 1098 Comment
  UCR190544  Arabis R. G. Swinney 2000-6-19 7834 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UC1871132  Arabis pulchra T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4806 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
  RSA585410  Arabis pulchra var. pulchra Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-5-29 2695 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  RSA292455  Arctostaphylos catalinae James Henrickson 1973-01 8106 Los Angeles Santa Catalina Island: 2 air miles WNW of Avalon near N end of Grand Canyon; in narrow ravine Comment
Read comments
Jul 10 2011
  RSA626815  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20198 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626821  Arctostaphylos glandulosa Jon E. Keeley 1992-8-3 11160 Los Angeles Top of Mt. Gleason, San Gabriel Mts. 1900 Comment
  CAS-BOT-BC23245  Arctostaphylos glandulosa subsp. glandulosa LeRoy Abrams 1901-6-4 1699 Los Angeles Las Tunas Canyon, Santa Monica Mts. Comment
  RSA609386  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1930-3-15 15 Los Angeles Mandeville Canyon.. . Comment
  RSA721289  Arctostaphylos glandulosa subsp. mollis R. G. Swinney 1998-3-14 5905 Los Angeles Potato Mtn. NW of Upland 1043 Comment
  CAS-BOT-BC39306  Arctostaphylos glauca J. H. Thomas 1957-5-8 6742 Los Angeles San Gabriel Mountains, about 10 mi. NE of Pasadena 1371 Comment
  RSA367301  Arctostaphylos glauca Anstruther Davidson 1892-8-22 1769 Los Angeles Wilson's Peak Comment
  RSA600302  Arctostaphylos glauca L. C. Wheeler 1961-6-13 7869 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1066 Comment
  RSA631419  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15704 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA631472  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16026 Los Angeles Ridge Route, 18 km south of Liebre Gulch turnoff. 900 Comment
  RSA631552  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15858 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA632596  Arctostaphylos glauca Jon E. Keeley 1982-7-18 7800 Los Angeles Study site off Angeles Crest Highway, above Switzers Campground, recently cleared. Comment
  SFV2645  Arctostaphylos glauca P. G. Kilburn 1957-12-28 577 Los Angeles San Gabriel Mountains Trail to Devil's Punchbowl. South-facing, dry slopes. Comment
  CAS-BOT-BC46729  Arctostaphylos parryana Carl B. Wolf 1936-5-27 7850 Los Angeles San Gabriel Mts., Aliso Canyon to Buckhorn Flats Rd., Tie Camp summit. 1524 Comment
  RSA367376  Arctostaphylos parryana Anstruther Davidson 1893-7-22 1768 Los Angeles Wilson's Peak Comment
  RSA634738  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20590 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634766  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20611 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.3 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1705 Comment
  RSA634776  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20347 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA199838  Arctotis stoechadifolia S. Carlquist 1965-10-3 1816 Los Angeles Los Angeles State and County Arboretum, Arcadia Comment
  CHSC110177  Argemone munita Jane Tirrell; Graham Bothwell 2012-7-11 LS 0105 Los Angeles Transeverse Ranges; San Gabriel Mountains region: North side California State Route 2 approx. 200 m east of mile marker 67.86. Alt: 2308m/7587 ft. 2308 Comment
  CAS-BOT-BC401797  Argemone munita subsp. rotundata Ernest C. Twisselmann 1959-6-2 5341 Los Angeles Old Ridge Route, 0.8 mile south of Sandberg's Lodge 1234 Comment
  RSA589512  Aristida adscensionis Timothy S. Ross, Gery Allan, Mark Elvin 1995-5-21 8597 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  RSA670297  Artemisia californica Joseph M. Keefe 2001-3-19 31140 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  SD85056  Artemisia californica E. R. Blakley 1962-1-7 4836 Los Angeles Santa Catalina Island, ocean bluff Comment
  UC472242  Artemisia californica F. M. Reed 1909-7-2 2811 Los Angeles Pebbly Beach Road Catalina Island 15 Comment
  SBBG62508  Artemisia douglasiana R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  SEINET6775386 Image available Artemisia douglasiana G. B. Grant 1904-1 68 a Los Angeles Pasadena Comment
  RSA417358  Artemisia nesiotica M. B. Dunkle 1939-4-5 7276 Los Angeles Pyramid Cove, San Clemente Island. Comment
  SBBG43894  Artemisia nesiotica M. R. Benedict 1971-6-25 Los Angeles low terrace 0.5 mi S of Wilson Cove 12 Comment
  UCR239943  Artemisia tridentata R. G. Swinney 2009-11-16 11630 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  LA204706  Arthrocnemum subterminale Jonathan Sauer; D. L. Johnson 1969-5-10 4504 Los Angeles San Clemente Island, N of Eel Point, central west coast Comment
  RSA17060  Asclepias californica C. B. Wolf 1936-5-27 7858 Los Angeles Aliso Canyon to Buckhorn Flats Road, 3.6 mi. above Tie Camp Summit (1st summit) 1889 Comment
  RSA70338  Asclepias californica F. W. Peirson 1923-5-26 3541 Los Angeles Rock Creek Divide 2011 Comment
  UCR223153  Asclepias eriocarpa R. G. Swinney 2009-7-22 11337 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  JEPS49954  Asclepias fascicularis Frank W. Peirson 1918-8-18 149 Los Angeles San Antonio Canyon; San Gabriel Mts. 1341 Comment
  UCR256871  Asclepias fascicularis R. G. Swinney 2010-6-8 13215 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
  UCSB4934  Asclepias fascicularis Kamb, Peter 1947-6-1 Los Angeles Red Box Gap, San Gabriel Mts.; upper Sonoran Zone 1402 Comment
  LA202460  Asparagus asparagoides Arthur C. Gibson; 2006-2-15 5118 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, along road above main parking lot above lower reservoir. Comment
  SEINET12045051  Asparagus officinalis I. Johnston 1917-1 s.n. Los Angeles El Monte 275 Comment
  RSA0011734  Asplenium vespertinum G. R. Proctor 1944-2-27 788 Los Angeles Santa Anita Canyon Comment
  RSA417732  Aster hesperius Anstruther Davidson 1892-08 1023 Los Angeles Cienega Comment
  RSA639708  Astragalus bicristatus L. C. Wheeler 1968-7-15 s.n. Los Angeles San Gabriel Mountains: Fork to Guffy Camp, Blue Ridge. Comment
Read comments
Sep 19 2018
  UCD104716  Astragalus didymocarpus P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC182303  Astragalus didymocarpus var. didymocarpus Robert F. Thorne 1973-5-11 43554 Los Angeles San Gabriel Mts., Mojave Desert slopes: Along Mt. Emma Road, 1.9 mi W of Little Rock Creek below the dam Comment
  RSA717300  Astragalus douglasii Scott D. White, Pam De Vries 2006-5-9 11406 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SBBG20572  Astragalus miguelensis E. R. Blakley 1963-12-8 6413 Los Angeles N of West Cove at Sand Pt near Triangulation Pt "Driggs" 7 Comment
  SD92006  Astragalus miguelensis Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-25 22703 Los Angeles San Clemente Island, sandy flat, NW end 4 Comment
  UC1215202  Astragalus miguelensis Peter H. Raven 1962-7-12 18028 Los Angeles near point at e end Northwest Harbor (San Clemente Island); , e end Northwest Harbor 30 Comment
  RSA251383  Astragalus nevinii R. F. Thorne 1966-4-15 35994 Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 Comment
  SD86319  Astragalus nevinii R. Mitchel Beauchamp, M. Douglas 1972-3-24 3207 Los Angeles San Clemente Island, in stabilized sandy areas 24 Comment
  UCR274564  Astragalus preussii var. laxiflorus Kelly Schmoker 2014-6-18 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, south of Buckhorn Dry Lake, W of 100th St. East and north of Ave. 'A' near its end, NE of old homestead site and NW of 'L' shaped windbreak 699 Comment
  RSA0116318  Astragalus purshii var. tinctus A. C. Sanders 2006-4-10 31990 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
  RSA415744  Astragalus trichopodus var. lonchus Jack Rempel 1932-4-24 s.n Los Angeles El Segundo. Comment
  SBBG27811  Astragalus trichopodus var. lonchus M. R. Benedict 1965-12-7 Los Angeles point E of Parson's Landing 3 Comment
  SBBG38922  Astragalus trichopodus var. lonchus E. R. Blakley 1963-4-7 5499 Los Angeles Little Harbor Comment
  SEINET12160167  Astragalus trichopodus var. lonchus Unknown 1933-1 8309 Los Angeles Tehachapi Mtns Comment
  RSA599268  Astragalus trichopodus var. phoxus Steve Boyd, Lauren Raz 1997-3-31 9442 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
  UC56446  Astragalus trichopodus var. phoxus H. M. Hall 1902-5-3 3096 Los Angeles San Franciquito Pass San Francisquito Pass (Southern California) 609 Comment
  UC1595297  Athysanus pusillus Tim Ross 1991-3-10 4222 Los Angeles on e side of Rancho Santa Ana Botanic Garden (vicinity of (some 15m ne of) Phake Lake, Bernard Field Station); Claremont, Bernard Field Station 391 Comment
  UCR247553  Atriplex amnicola R. E. Riefner Jr. 2013-1-5 13- 9 Los Angeles South Coast, Dockweiler State Beach, vicinity of Vista Del Mar Blvd at Imperial Hwy 14 Comment
  POM158314  Atriplex californica M. B. Dunkle 1928-4-29 1894 Los Angeles Little Harbor. 5 Comment
  SEINET3930306  Atriplex californica F. R. Fosberg 1931-5-17 54889 Los Angeles Little Harbor, Santa Catalina Island.; 0 2 Comment
  SEINET3930713  Atriplex canescens Grant D. Brown 1950-3-31 528 Los Angeles Located 2 miles south of Caswell on highway #99. Pacific drainage area.; 0 Comment
  CAS-BOT-BC168281  Atriplex canescens var. canescens Ernest Braunton 1903-9-1 906 Los Angeles Glendale to Burbank Comment
  RSA3033  Atriplex johnstonii C. B. Wolf 1931-12-30 s.n. Los Angeles Playa del Rey 30 Comment
  RSA713910  Atriplex lentiformis subsp. lentiformis R. E. Riefner 2006-7-29 6 -328 Los Angeles Torrance, Victoria Park, Dominguez Channel, vicinity of Del Amo Blvd. and Carson Plaza Dr. 9 Comment
  UC484227  Atriplex lentiformis subsp. lentiformis C. B. Wolf 1930-12-23 1820 Los Angeles 1/2 mi n of town Santa Monica; n of Santa Monica 7 Comment
  CLARK-A1528-2547  Atriplex parryi John C. Roos 1947-7-21 Los Angeles Lancaster Comment
  CLARK-A1528-2502  Atriplex rosea Alfred R. Roos 1948-8-21 Los Angeles Long Beach Comment
  UCR125244  Atriplex rosea A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25515 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR95274  Atriplex serenana L. C. Wheeler 1970-8-31 s.n. Los Angeles Corner of 18th and Georgia St. Comment
  RSA478433  Atriplex serenana Gertrude Dunn 1930-8-3 s.n. Los Angeles 2 mi. S of Downey, roadside of Washington Blvd. Comment
  SBBG130571  Atriplex suberecta S. A. Junak 2000-10-13 SCa 1415 Los Angeles Deer Valley Reservoir (Summit Reservoir) 167 Comment
  SEINET9365618  Atriplex watsonii Unknown 1972-11-15 55235 Los Angeles Common on edges of shelly sand dune near top of sea cliff along S.W. coast. Comment
  RSA714194  Avena barbata Valerie L. Soza, Miriam Sidibeh 2003-3-26 1616 Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  SBBG12177  Avena barbata P. H. Raven 1962-4-9 17132 Los Angeles near barracks, Wilson Cove 60 Comment
  UCR258834  Avena barbata R. G. Swinney 2010-3-22 12021 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCSB8329  Azolla filiculoides B., K. 1943-6-22 Los Angeles Floating on San Dimas Reservoir, San Dimas Experimental Forrest, San Gabriel mountains Comment
  UCR217691  Baccharis pilularis A. C. Sanders, Dan S. Cooper 2010-8-5 38560 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  LA91450  Baccharis salicifolia Bruce Douglas Clayton; Greg Clayton 1972-4-1 50 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, Upper Temecal and Rustic Canyons 490 Comment
  RSA188161  Baccharis salicifolia R. F. Thorne 1966-4-5 35836 Los Angeles Santa Catalina Island, along stream in Cottonwood Canyon 107 Comment
  SDSU6388  Baccharis salicifolia subsp. salicifolia A. H. Gallup 1949-2-14 304 Los Angeles Lasca - north of lake. 152 Comment
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Apr 29 2015
  HSC79561  Baccharis salicina James Henrickson Jan 1973 8113 Los Angeles Santa Catalina Island, 2 mi. WNW of Avalon, in Haypress area Comment
  CAS-BOT-BC100022  Balsamorhiza deltoidea Timothy S. Ross; Steve Boyd 1994-6-23 8033 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle 1680 Comment
  SBBG54245  Bassia hyssopifolia F. C. Boutin 1967-4-23 1632 Los Angeles N end of island at W end of air field runway Comment
  UCR127388  Bassia hyssopifolia A. C. Sanders, Mark Elvin 2002-8-7 25560 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  CAS-BOT-BC75510  Batis maritima J. C. Nevin 1885-4-1 s.n. Los Angeles San Clemente Island. Comment
  RSA786890  Bellis perennis Doris Bowers 1957-3-6 534 Los Angeles LaVerne College lawn (University of LaVerne) 457 Comment
  CAS-BOT-BC136687  Berberis nevinii A. C. Sanders; T. B. Salvato 2009-5-21 36892 Los Angeles San Gabriel Valley: Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  UC854628  Berberis nevinii C. Darland 1932-5-12 Los Angeles San Fernando Comment
  POM18235  Bergerocactus emoryi P. A. Munz 1923-4-13 6789 Los Angeles San Clemente Island. Comment
  UCR125137  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25258 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CDA6796  Bidens pilosa Phillipson 1915-6-12 Los Angeles Monrovia. Comment
  UC200808  Bloomeria crocea Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC14720  Boechera repanda A. A. Beetle 1942-6-25 3638 Los Angeles San Bernardino Mountains. 4 miles north of Big Pine Camp on Route 2. 1828 Comment
  UCR149853  Borago officinalis Scott D. White 2004-4-23 10227 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  SD67607  Bothriochloa barbinodis Leroy Abrams 1903-3-11 3110 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC145599  Bothriochloa laguroides subsp. torreyana LeRoy Abrams 1903-3-11 3110 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  RSA177791  Bowlesia incana R. F. Thorne, P. Everett 1965-5-10 34488 Los Angeles Upper end of Gallagher Canyon; Santa Catalina Island 411 Comment
  RSA0115757  Bowlesia incana Steven A. Junak 1999-5-20 SCa- 945 Los Angeles Santa Catalina Island. Just S of Cottonwood-Black Jack Road. 304 Comment
  CATA779  Brachypodium distachyon Mark L. Hoefs 1991-6-5 1341 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  UCR194731  Brassica geniculata Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 695 Los Angeles Transverse Ranges: Verdugo Mountains, Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  RSA482913  Brassica rapa Ora M. Clark 1929-1-13 1470 Los Angeles N of San Pedro. Comment
  CAS-BOT-BC100400  Brickellia californica Mrs. S. Earle Kelley 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  CHSC35172  Brickellia californica James Henrickson 1972-11-2 8097 Los Angeles 8 miles NW of Newhall, NW of jct. of Hwy 5 and Hasley Canyon Road. 365 Comment
  LA39080  Brickellia californica Harlan Lewis; 1940-12-7 sn Los Angeles San Gabriel Mountains, Angeles Crest Highway 1066 Comment
  RSA127982  Brickellia californica H. J. Thompson 1958-10-22 1812 Los Angeles Santa Monica Mountains, N slope of Mt. Hollywood 381 Comment
  RSA5991  Brickellia californica C. B. Wolf 1932-10-4 4225 Los Angeles Santa Catalina Island; above the Amphitheater, Avalon 30 Comment
  RSA639883  Brickellia microphylla L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2072 Comment
  RSA177698  Brodiaea jolonensis Robert F. Thorne, Percy C. Everett 1965-5-12 34625 Los Angeles Bulrush Canyon, Santa Catalina Island 244 Comment
  RSA788187  Brodiaea pulchella Doris Bowers 1957-3-10 56 .2 Los Angeles Rocky Point, La Verne 335 Comment
  SEINET7042275  Bromus A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  SFV21398  Bromus arizonicus L. Gross 2002-4-13 525 Los Angeles Verdugo Mountains Intersection of Stough Canyon Mountainway and Verdugo Mountainway along main crest. 579 Comment
  UCD58001  Bromus carinatus F. R. Fosberg 1931-4-3 S 4484 Los Angeles Santa Catalina Island. Pebble Beach. Comment
  SEINET3921948  Bromus catharticus L. M. Prince, J. Dolan 2002-3-29 02 -299 Los Angeles Claremont. Rancho Santa Ana Botanic Garden.; 0 400 Comment
  RSA592147  Bromus diandrus L. C. Wheeler 1967-5-8 9327 Los Angeles Liebre Mountains. Between Bouquet Junction and Bonelli Ranch. 381 Comment
  UCR43957  Bromus diandrus B. A. Prigge 1986-3-20 7973 Los Angeles Tehachapi Mtns, 0.4 mi. east of Gorman on Lancaster Road 1128 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
  RSA91690  Bromus diandrus F. W. Peirson 1924-5-27 4621 Los Angeles San Gabriel Mountains. North slope, Strawberry Peak. 1753 Comment
  RSA532657  Bromus grandis Timothy S. Ross 1991-8-14 5780 Los Angeles Roundtop [Mtn.] 1768 Comment
  RSA0105486  Bromus hordeaceus R. G. Swinney 2011-3-18 14148 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA544531  Bromus hordeaceus Timothy S. Ross, Elizabeth A. Kellogg 1992-4-12 6134 Los Angeles San Clemente Island: at the head of Grove Canyon; 110? ESE, 600 meters from Vista (point) 495 Comment
  RSA592296  Bromus hordeaceus L. C. Wheeler 1967-5-13 9545 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  CAS-BOT-BC155334  Bromus laevipes Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains. North side of Bichota Canyon, east of heliport. 1402 Comment
  SBBG131681  Bromus madritensis S. A. Junak 1999-4-24 SCa 873 Los Angeles E of Empire Landing Rd 213 Comment
  LA13777  Bromus madritensis Carl Epling; April 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA601176  Bromus madritensis subsp. madritensis L. C. Wheeler 1967-6-27 9919 Los Angeles San Gabriel Mountains : Sunset Ridge, NE of Cogswell Reservoir. 640 Comment
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Feb 4 2015
  RSA702909  Bromus madritensis subsp. madritensis Scott D. White, Pam DeVries 2004-5-18 10411 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
  CATA937  Bromus madritensis subsp. rubens Mark L. Hoefs, Robert Given 1992-4-16 1800 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  SEINET269223 Image available Bromus rigidus Scott D. White, Chet McGaugh 1995-5-16 3059 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts.'Sunshine Cyn': W of San Fernando Rd. and I-5 fwy SW of interchange w/ 457 Comment
  POM363942  Bromus rubens Donald R. Bissing 1973-6-2 156 Los Angeles Evey Canyon, San Gabriel Mountains: mouth of canyon. 707 Comment
  UCD59512  Bromus rubens Beecher Crampton 1968-8-10 8319 Los Angeles Santa Catalina Island, Avalon. Comment
  RSA714525  Bromus sterilis A. C. Sanders 2005-5-11 30157 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Boquet Cyns. 610 Comment
  RSA777520  Bromus tectorum R. G. Swinney 2009-5-20 10799 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  SFV20832  Bromus tectorum L. Gross 2005-4-28 2162 Los Angeles San Gabriel Mountains Ridgeline to Mount Emma and canyon south of this ridge. West from Mount Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest). East of Mount Emma Road near above coordinates then dropped off ridge into canyon bottom back to origin. From a slight decline bench south of the ridgeline. 1235 Comment
  UC1131301  Bromus tectorum A. D. Gifford 1935-4-26 633 Los Angeles 4 mi w of Manzana 975 Comment
  SBBG13109  Cakile maritima E. R. Blakley 1962-10-5 5427 Los Angeles N of White's Landing 3 Comment
  UC535529  Calandrinia breweri Ira W. Clokey, B. Templeton Mar. 1929 4524 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  SD214616  Calandrinia ciliata Darley F. Howe Mar 1915 30 Los Angeles Claremont Comment
  SBBG13264  Calandrinia menziesii M. A. Piehl 1962-6-10 62381 Los Angeles cyn E of Thirst 304 Comment
  POM119451  Calocedrus decurrens George B. Grant 691 Los Angeles from Santa Monica Range Comment
  UC1922247  Calocedrus decurrens Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1348 Los Angeles Transverse Ranges; Verdugo Mountains region; Near intersection of La Tuna Canyon and Las Barras Canyon at lower end of Hostetter Mtwy. 473 Comment
  RSA188171  Calochortus catalinae Robert F. Thorne 1966-4-4 35780 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove 30 Comment
  SEINET3364116 Image available Calochortus catalinae Marcus E. Jones 1982-5-1 3212 Los Angeles Los Angeles Comment
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Sep 16 2014
  SEINET3884910  Calochortus catalinae K. Dobry 1991-5-4 d 264 Los Angeles Stunt Ranch, Cold Creek Canyon, Santa Monica Mountains.; 0 Comment
  UCR65200  Calochortus catalinae F. R. Fosberg 1931-4-2 S- 04456 Los Angeles Channel Islands, Santa Catalina Island, divide between Hamilton and Descanso Canyons 250 Comment
  RSA0087103  Calochortus catalinae Steven A. Junak 2001-5-4 SCa- 1494 Los Angeles Santa Catalina Island. E of Parson's Landing. 121 Comment
  CAS-BOT-BC487907  Calochortus kennedyi R. G. Swinney 2009-5-12 10734 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi NW up ridge 1463 Comment
  RSA68649  Calochortus kennedyi Frank W. Peirson 1917-5-13 2850 Los Angeles Road east of Palmdale, Mojave Desert. Comment
  RSA134733  Calochortus plummerae Percy C. Everett, E. K. Balls 1959-6-29 23873 Los Angeles Stokes Canyon, Santa Monica Mountains. 152 Comment
  UCR252574  Calochortus plummerae R. G. Swinney 2010-6-21 13252 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UC729800  Calochortus splendens Carl B. Wolf 1932-5-11 Los Angeles w side Isthmus Harbor; Santa Catalina Island 15 Comment
  CAS-BOT-BC493412  Calochortus splendens Williams; Street; Munz 1919-5-3 2625 Los Angeles Santa Ana River Canon Comment
  CAS-BOT-BC132519  Calochortus striatus James L. Reveal 1988-5-17 6796 Los Angeles Antelope Valley, along G Street 0.2 mile east of G Street on the south side of the highway and General W.J. Fox Airport, about 5.5 air miles west-northwest of Lancaster 731 Comment
  CAS-BOT-BC132520  Calochortus striatus R. C. Barneby 1954-5-7 11365 Los Angeles 1 mi. n. of Lancaster 2350 Comment
  SBBG57742  Calochortus striatus W. B. Holt 1939-5-14 259 Los Angeles Lancaster Comment
  HSC15391  Calochortus venustus C. S. Apperson 1967-6-3 Los Angeles 15 mi. E of Hwy. 99 on Ave. D Comment
  POM351394  Calycadenia tenella Anstruther Davidson 1890-5-17 s.n. Los Angeles Glendale. Comment
  RSA710182  Calycoseris parryi LeRoy Gross 2005-5-3 2218 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA0096977  Calyptridium monandrum R. G. Swinney 2011-5-31 14892 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  CATA1107  Calystegia macrostegia Mark L. Hoefs 1995-5-23 2070 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  UCR131409  Calystegia macrostegia Alison Lipman 1998-9-28 s.n. Los Angeles South Coastal Plains Region, George F Canyon, Palos Verdes Peninsula 305 Comment
  RSA764272  Calystegia macrostegia Doris Bowers 1957-5-2 738 Los Angeles Road to Puddingstone, LaVerne 320 Comment
  CAS-BOT-BC224312  Calystegia macrostegia subsp. amplissima Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA572379  Calystegia macrostegia subsp. amplissima F. H. Elmore 1939-11-26 s.n. Los Angeles Northwest Harbor of San Clemente Island. Comment
  RSA650296  Calystegia macrostegia subsp. cyclostegia L. W. Fellows 1948-2-28 s.n. Los Angeles Fellows Ranch. Chatsworth. Comment
  UCR50075  Calystegia macrostegia subsp. cyclostegia Steve Morgan 1974-4-19 40 Los Angeles Western Transverse Range; Santa Monica Mtns., between Malibu and Point Dume, 4.2 mi. north of Pacific Coast Hwy on Latigo Canyon Road. 396 Comment
  CAS-BOT-BC215753  Calystegia macrostegia subsp. intermedia Robert F. Thorne; P. Everett 1965-6-22 34882 Los Angeles rocky slope along new road along East Mountain, S end of island, Santa Catalina Island 457 Comment
  CAS-BOT-BC215798  Calystegia macrostegia subsp. intermedia Geo. B. Grant 1905-4-19 6479 Los Angeles Garvanza Comment
  RSA646093  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1993-6-2 853 Los Angeles San Gabriel Mountains: Vicinity of Mt. Baden Powell. Near Vincent Gap above Vincent Gulch. 2011 Comment
  RSA71122  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1923-5-21 3516 Los Angeles Fish Canyon 914 Comment
  SFV2828  Calystegia occidentalis subsp. fulcrata P. G. Kilburn 1958-6-18 837 Los Angeles San Gabriel Mountains Angeles Crest Highway near Big Pines. 0.8 miles southeast of Highway on gravel road. 2226 Comment
  RSA764507  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2589 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA780996  Camissonia R. G. Swinney 2009-5-27 10908 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  UCR203199  Camissonia R. G. Swinney 2005-5-21 8249 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR204815  Camissonia R. G. Swinney 2005-8-22 8519 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  UCR259922  Camissonia R. G. Swinney 2010-3-18 11977 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
  RSA755667  Camissonia bistorta Robert F. Thorne, C. W. Tilforth 1971-4-9 41542 Los Angeles Angeles National Forest; or near entrance thereto and below entrance to wooded area of San Dimas Canyon along San Dimas Creek. 381 Comment
  RSA0098640  Camissonia californica R. G. Swinney 2010-5-11 12688 Los Angeles San Gabriel Mountains: east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR184366  Camissonia campestris A. C. Sanders 2007-4-19 33468 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA567281  Camissonia campestris subsp. campestris Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3954 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA596065  Camissonia campestris subsp. campestris Louis C. Wheeler 1967-5-9 9395 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA454049  Camissonia cheiranthifolia subsp. suffruticosa Wm. Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  RSA597283  Camissonia confusa Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-22 3734 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  POM96025B  Camissonia ignota P. A. Munz 1926-4-4 10018 B Los Angeles 2 miles north of Saugus. Comment
  POM3238  Camissonia micrantha I. M. Johnston 1917-5-6 1932 Los Angeles Evey Canon, north of Claremont. 686 Comment
  RSA449032  Camissonia micrantha Anstruther Davidson 1907-04 1754 Los Angeles Hollywood. Comment
  UCR229500  Camissonia micrantha Jeremiah George 2011-7-19 s.n. Los Angeles South Coast, Palos Verdes Estates, east of end of Via Tejon at Malaga Dune 62 Comment
  UCR241709  Camissonia micrantha Dan S. Cooper 2012-4-14 412- 20 Los Angeles Western Transverse Range; Hollywood Hills, Griffith Park, Vermont Canyon area, near mouth of canyon behind tennis courts 259 Comment
  UCR252549  Camissonia micrantha R. G. Swinney 2010-3-11 11869 Los Angeles San Gabriel Mountains/Verdugo Mountains, flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash 348 Comment
  UC187671  Camissonia robusta Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  UC1871252  Camissonia strigulosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4961 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  UC20426  Camissoniopsis bistorta J. H. Barber 1897-1-29 42 Los Angeles Ballona Hills Comment
  UCSB8425  Camissoniopsis cheiranthifolia subsp. suffruticosa McElwain, Isabelle 1963-3-21 Los Angeles Point Dume Comment
  LA32208  Camissoniopsis intermedia Henry J. Thompson; 1959-4-12 1926 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 2 mi W of Las Virgenes Rd. 304 Comment
  UCR182720  Capsella bursa-pastoris R. G. Swinney 1998-2-16 5900 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  RSA530950  Capsella bursa-pastoris Samuel R. Tyson 1943-3-21 s.n. Los Angeles Sam Dimas Canyon, LA county. 488 Comment
  SFV6153  Capsella bursa-pastoris T. Gordon 1974-2-4 16 Los Angeles San Fernando Valley Los Angeles, Northridge. Northridge Park. Comment
  CAS-BOT-BC174798  Cardamine californica Tim Ross; Steve Boyd 1993-5-23 7275 Los Angeles Lower portion of steep, northerly draw draining from saddle between Red Mtn's long E ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 270-340 m SW of Plum Spring 829 Comment
  LA51499  Cardamine californica O. H. Kappler; 1941-2-9 83 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  IRVC26344  Cardaria draba A. C. Sanders, Andy Thompson 2003-4-15 26019 Los Angeles Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park NE end of Santa Susana Mtns. 316 Comment
  POM435  Cardionema ramosissimum I. M. Johnston 1917-6-10 1268 Los Angeles Near Mesmer. Comment
  RSA674714  Carduus pycnocephalus Scott D. White, P. De Vries 2000-5-18 7911 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  UCR108195  Carduus pycnocephalus Steve Boyd, R. K. Brummitt, Laura A. Moore 1998-5-26 10226 Los Angeles San Gabriel Mtns., north base of range, just to the south of Hwy 14 at Golden Valley Road, Placerita Canyon watershed. 549 Comment
  CAS-BOT-BC18180  Carex C. B. Clokey; B. C. Templeton; I. W. Clokey 1930-5-13 4613 Los Angeles South end of Bouquet Canyon. 500 Comment
  RSA364526  Carex Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  RSA0082416  Carex alma R. G. Swinney 2010-9-7 13724 Los Angeles 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
  RSA628803  Carex alma Scott D. White, David E. Bramlet 1998-6-29 6828 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  UCR224193  Carex alma Scott D. White 2004-7-28 10651 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  RSA228999  Carex alma Robert F. Thorne, C. W. Tilforth 1971-6-30 40836 Los Angeles San Gabriel Mountains, Angeles National Forest: 3.3 miles below Alder Saddle along & above S Fork of Little Rock Creek 1433 Comment
  SEINET7549339 Image available Carex alma Louis C. Wheeler 1966-9-21 8912 Los Angeles San Gabriel Mountains. Vicinity of Lily Spring, northwest slope of Mt. Hawkins. 2469 Comment
  RSA286784  Carex fracta Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44751 Los Angeles ANGELES NATIONAL FOREST: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek 2439 Comment
  RSA364721  Carex fracta I. M. Johnston 1917-7-31 1505 Los Angeles San Antonio Mts. Icehouse Canon. 1982 Comment
  RSA639181  Carex fracta L. C. Wheeler 1966-10-1 8948 Los Angeles San Gabriel Mountains; Colby Ranch. Comment
  RSA91602  Carex multicaulis Joseph A. Ewan 1933-7-4 7870 Los Angeles 1/2 mile below summit Monrovia Peak 1463 Comment
  CHSC82145  Carex schottii John Dittes; Dave Stolp 1990-3-10 46 Los Angeles San Gabriel mts. Angeles National Forest. Along and emersed in stream. 200 yards upstream from the Big Tujunga flood control reservoir. 731 Comment
  SEINET13701042  Carex schottii I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4613 Los Angeles Boquet Canyon 450 Comment
  CAS-BOT-BC115972  Carex subfusca Ivan Murray Johnston 1917-8-23 1636 Los Angeles Pine Mt. 2438 Comment
  UCR192860  Carex subfusca R. G. Swinney 1998-7-14 6427 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  SFV1132  Carpobrotus edulis K. A. Wilson 1961-3-12 1002 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  UCD123073  Castilleja Gordon Pilone 1961-3-3 108 Los Angeles Padua Hills, 100 yards above Spanish restaurant. San Gabriel Mt. Range. 396 Comment
  UC219078  Castilleja affinis subsp. affinis S. B. Parish 1919-4-19 19267 Los Angeles near San Dimas; Lone Hill Comment
  JEPS57112  Castilleja affinis subsp. affinis L. R. Heckard with P. C. Silva 1967-3-30 1589 Los Angeles w slope Point Dume (above beach) Comment
  RSA425905  Castilleja affinis subsp. affinis Edwin Kline 1923-4-2 s.n. Los Angeles San Gabriel Canyon. Comment
  JEPS5153  Castilleja applegatei subsp. martinii F. W. Peirson 1918-5-19 209 Los Angeles Millards Canyon San Gabriel Mountains 853 Comment
  OBI9639  Castilleja applegatei subsp. martinii Wesley O. Griesel 1961-6-1 s.n. Los Angeles State Hwy 2 near Camp Valcrest San Gabriel Mts 1829 Comment
  POM175581  Castilleja applegatei subsp. martinii E. Crow 1930-6-29 s.n. Los Angeles San Gabriel Mts. Trail below Crystal Lake. Comment
  RSA584018  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd 1991-4-25 4605 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  RSA638864  Castilleja applegatei subsp. martinii Valerie L. Soza, Laura Moore 1999-6-30 594 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  SD215664  Castilleja exserta Steve Boyd, Lauren Raz 1997-3-14 9178 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg 1213 Comment
  RSA670420  Castilleja foliolosa Bonnie C. Templeton 1929-05 4470 Los Angeles Mandeville Canyon, Santa Monica Mountains. 300 Comment
  UC26421  Castilleja foliolosa Harley P. Chandler 1897-3-14 Los Angeles San Dimas 609 Comment
  RSA400566  Castilleja foliolosa Kenneth A. Wilson 1961-3-11 988 Los Angeles San Francisquito Canyon 1.5 miles south of Green Valley (Spunky Canyon Road). Comment
  SD92024  Castilleja grisea Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22689 Los Angeles San Clemente Island, on cliffs, west fork of Red rock Canyon 274 Comment
  UCR194601  Castilleja miniata R. G. Swinney 1998-7-24 6565 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  RSA448775  Castilleja minor subsp. spiralis Anstruther Davidson 1889-06 s.n. Los Angeles Glendale. Comment
  SBBG66947  Castilleja minor subsp. spiralis M. N. Ackley 1927-6-5 1035 Los Angeles trail to Switzerland 762 Comment
  SBBG72105  Caulanthus amplexicaulis var. amplexicaulis R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  RSA531094  Caulanthus amplexicaulis var. amplexicaulis H. E. Hasse 1893-05 1853 Los Angeles Acton Comment
  CAS-BOT-BC38472  Caulanthus coulteri Carl B. Wolf 1928-3-29 1557 Los Angeles 3 miles southwest of Neenach at junction Pine Canyon road and road to Sandbergs. 1066 Comment
  POM369305  Caulanthus coulteri Anstruther Davidson 1893-4-22 s.n. Los Angeles San Fernando Comment
  UCR282194  Caulanthus heterophyllus D. E. Bramlet 2011-4-27 4811 Los Angeles San Gabriel Mountains, Maple Canyon, east of Big Tujunga Canyon, south Big Tujunga Reservoir 915 Comment
  SD52162  Caulanthus lasiophyllus Davison 1893-1 Los Angeles Lancaster Comment
  SBBG38797  Ceanothus arboreus R. Moran 1941-2-23 607 Los Angeles ridge between Johnson's Valley and Howland's Valley 121 Comment
  SEINET11182700  Ceanothus arboreus G. B. Grant, W. Wheeler 1904-1 148 /6146 Los Angeles Santa Catalina Island, Pacific Ocean, off Southern California. Comment
  UC1043440  Ceanothus cordulatus Richard M. Straw 1954-6-16 617 Los Angeles Drata Ridge, Angeles Crest Hwy San Gabriel Mountains Comment
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Dec 3 2014
  LA82215  Ceanothus crassifolius O. H. Kappler; 1941-3-25 147 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, at head of Corral Canyon, N slope. 761 Comment
  RSA640798  Ceanothus crassifolius Louis C. Wheeler 1931-1-13 s.n. Los Angeles Mills Place: (vicinity of Claremont). Comment
  RSA651875  Ceanothus crassifolius Diane T. Liggett 1981-5-29 26 Los Angeles San Dimas Experimental Forest, 45 km east of Los Angeles 850 Comment
  UC1871016  Ceanothus crassifolius T. S. Ross, W. Appleby 1993-5-19 7180 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W T3N NE/4 NW/4 SW/4 sect 15; elevation ca. 2520 ft. 768 Comment
  LA30362  Ceanothus crassifolius Mary V. Hood; 1941-2-9 41- 10 k* Los Angeles Base of Angelus Crest Hwy Comment
  SEINET12210838  Ceanothus crassifolius W. Knight, Knight, I. 1982-1 4486 Los Angeles Brom Tilden Botanic Garden, Berkeley. Orig. collected in San Antonio Canyon Comment
  RSA27114  Ceanothus crassifolius var. planus Roxana S. Ferris 1941-3-9 10321 Los Angeles Pico Canyon, Santa Susana Mountains, about 2 miles west of US Highway #99 Comment
  CAS-BOT-BC48872  Ceanothus cuneatus Cecil Hart 1927-4-10 s.n. Los Angeles ridge route to Lancaster Comment
  CAS-BOT-BC50152  Ceanothus integerrimus Le Roy Abrams; E. A. McGregor 1908-7-3 585 Los Angeles North Baldy Mountain, San Gabriel Mountains, near head of Rock Creek 1828 Comment
  RSA0069201  Ceanothus leucodermis R. G. Swinney 2010-9-9 13778 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA635040  Ceanothus leucodermis Valerie L. Soza, Kent Hughes 1999-6-17 562 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  LA52217  Ceanothus megacarpus Robert Fowler; 1935-2-8 4544 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Sepulveda Canyon. 152 Comment
  POM199765  Ceanothus megacarpus I. W. Clokey, Bonnie C. Templeton 1929-04 4508 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  SD45616  Ceanothus megacarpus Darley F. Howe 1953-5-2 Los Angeles Wain Canyon, Catalina Island Comment
  UC535500  Ceanothus megacarpus Ira W. Clokey, B. Templeton Apr 1929 4508 Los Angeles Alluvial bottom Mandeville Canyon; Santa Monica Mountains Comment
  CATA421  Ceanothus megacarpus var. insularis Sara L. Crockett 1997-1-18 558 Los Angeles Santa Catalina Island: 2.2 miles NW on Stage Road frm jct. with Middle Ranch Road 365 Comment
  UC870598  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-4-10 S 4559 Los Angeles Pacific Divide Santa Calalina Island 200 Comment
  LA45333  Ceanothus oliganthus A. M. Johnson; 1934-3-16 4343 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  UCR273558  Ceanothus oliganthus subsp. oliganthus R. G. Swinney 2011-5-10 14638 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA77698  Ceanothus oliganthus var. sorediatus F. W. Peirson 1920-4-26 732 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  LA32022  Ceanothus spinosus Peter H. Raven; Henry J. Thompson 1959-4-3 13918 Los Angeles 822 Comment
  RSA0112553  Ceanothus vestitus R. G. Swinney 2011-6-15 15174 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy. 1585 Comment
  RSA0053864  Centaurea melitensis R. G. Swinney 2010-4-28 12439 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA607947  Centaurea melitensis L. C. Wheeler 1932-9-5 1348 Los Angeles San Antonio Canyon, San Gabriel Mountains. 884 Comment
  RSA724516  Centaurium venustum K. Dobry 1992-10-25 d- 1078 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  CATA264  Centranthus ruber Mark L. Hoefs 1973-5-14 271 Los Angeles Santa Catalina Island: Pebbly Beach Road, by boat dock 6 Comment
  RSA652046  Centranthus ruber Hyrum O. Fischer 1949-6-20 s.n. Los Angeles Elysian park at North Figueroa entrance. 213 Comment
  UCR205570  Centranthus ruber R. G. Swinney 2008-5-30 8873 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  RSA0051678  Centranthus ruber Carol Haines 1964-5-7 116 Los Angeles Topanga Canyon Blvd., 5.5 miles NE of Highway 101, Santa Monica Mountains. 259 Comment
  UC84368  Centrostegia thurberi var. thurberi K. Curran July 1884 Los Angeles Mohave Desert, Lancaster Lancaster; Mohave Desert, Lancaster Comment
  CAS-BOT-BC400186  Ceratophyllum demersum Louis Wheeler 1933-10-22 2196 Los Angeles Crystal Lake, San Gabriel Mts. 1706 Comment
  RSA0098633  Ceratophyllum demersum R. G. Swinney 2010-9-7 13702 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR139943  Ceratophyllum demersum L. C. Wheeler 1964-11-6 8644 Los Angeles San Gabriel Mtns., Crystal Lake 1677 Comment
  LA52115  Cercocarpus betuloides var. betuloides A. M. Johnson; 1932-5-30 4110 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  SBBG122095  Cercocarpus betuloides var. betuloides A. Parikh, N. Gale 2000-4-30 1730 Los Angeles Newhall Ranch, SE of confluence of Castaic Crk and Santa Clara River, N side of Santa Susana Mtns 345 Comment
  UCSB70450  Cercocarpus betuloides var. betuloides Keefe, Joseph 2001-1-19 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles, California 90041 304 Comment
  CATA1784  Cercocarpus betuloides var. blancheae Benjamin E. Carter, John Clark 2012-8-9 6962 Los Angeles Santa Catalina Island: Bulrush Canyon, between reservoirs and Salta Verde turnoff 270 Comment
  LA88754  Cercocarpus betuloides var. blancheae Karen Searcy; 1967-1-29 35 Los Angeles Santa Catalina Island, above Avalon Comment
  UC187678  Cercocarpus betuloides var. blancheae Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  RSA96407  Cercocarpus ledifolius E. K. Balls 1954-9-4 19785 Los Angeles Trail to summit of Mt. Baldy 2470 Comment
  HSC18558  Cercocarpus montanus var. glaber C. E. Fellows 1965-4-13 43 Los Angeles 3.1 mi. SW of Old Topanga Rd on Mullholland Hwy., Santa Monica Mtns. Comment
  HSC34785  Cercocarpus montanus var. glaber R. E. Cooksey Apr 1974 177 Los Angeles Glendora Mtn. Rd., Saw Gabriel Valley Overlook 640 Comment
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Jun 11 2014
  UCD112909  Cercocarpus traskiae Robert F. Thorne 1967-5-18 36872 Los Angeles Santa Catalina Island. Wild Boar Gully (Cercocarpus Arroyo). 167 Comment
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Jun 12 2014
  CAS-BOT-BC279525  Chaenactis artemisiifolia Peter H. Raven; H. J. Thompson; S. R. Snow 1956-6-22 9451 Los Angeles Below Mulholland Drive above Sepulveda Blvd., Santa Monica Mts. Comment
  UCSB10325  Chaenactis fremontii Haller, John 1957-4-13 Los Angeles On Palmdale Ave. 0.7 miles E. of jct. with Calif. 138 and ca. 9 miles E. of center of Palmdale 762 Comment
  IRVC27309  Chaenactis glabriuscula A. C. Sanders, Mark Elvin, et al. 2003-4-14 25950 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  UCR205837  Chaenactis glabriuscula R. G. Swinney 2008-6-9 8971 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  UCR241081  Chaenactis glabriuscula Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 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
  RSA0091356  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-6-15 15162 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA17073  Chaenactis glabriuscula var. glabriuscula C. B. Wolf 1936-5-27 7839 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  RSA507977  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross 1988-4-28 2231 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA709683  Chaenactis glabriuscula var. glabriuscula LeRoy Gross 2005-4-28 2174 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  POM6010  Chaenactis glabriuscula var. lanosa C. F. Baker 1904-05 4784 Los Angeles Hills near Claremont Comment
  POM96909  Chaenactis glabriuscula var. lanosa Philip A. Munz 1925-4-19 9382 Los Angeles Pacoima Canyon wash, near San Fernando Comment
  NY163289  Chaenactis santolinoides var. indurata L. Abrams 1902-6-29 2589 Los Angeles Mt. Wilson 1767.8 Comment
  CAS-BOT-BC277872  Chaenactis stevioides John Thomas Howell 1930-5-12 4884 Los Angeles 3 miles south of Palmdale, Mojave Desert Comment
  SEINET3859872  Chaenactis stevioides R. G. Swinney 2009-4-24 10458 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  RSA526589  Chamaesyce albomarginata T. S. Ross 1991-3-24 4290 Los Angeles Whittier Hills (Puente Hills, pro parte). 313 Comment
  RSA578729  Chamaesyce albomarginata T. S. Ross, J. Mark Porter 1994-5-1 7589 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA598275  Chamaesyce maculata R. G. Swinney 1989-6-30 s.n. Los Angeles in and near Glendora Wilderness Park, Big Dalton Canyon, 1.4 mi. NE of Glendora Mountain Road 442 Comment
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Mar 12 2013
  LA50648  Chamaesyce melanadenia M. Epling; Carl Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA599236  Chamaesyce melanadenia L. C. Wheeler 1968-3-21 s.n. Los Angeles Foothills; Brown School for Girls, vicinity of stables. 335 Comment
  CDA4803  Chamaesyce prostrata L. C. Wheeler 1969-5-8 s.n. Los Angeles Sierra Madre Elementary School: 160 Canon Ave. Sierra Madre. . 0 Comment
  RSA660991  Chamomilla suaveolens LeRoy Gross 2001-5-28 412 Los Angeles Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. 476 Comment
  CAS-BOT-BC68148  Cheilanthes newberryi L. R. Abrams; I. L. Wiggins 1931-7-6 349 Los Angeles San Clemente Island - vicinity of Mosquito Harbor Comment
  UCR208183  Cheilanthes newberryi M. B. Dunkle 1939-4-3 7230 Los Angeles Channel Islands, Chenetti Canyon, San Clemente Island Comment
  UCR71596  Cheilanthes newberryi Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4365 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  POM18207  Cheilanthes newberryi Philip A. Munz 1923-4-10 6729 Los Angeles San Clemente Island: in canyons of middle of island Comment
  UCR229128  Chenopodium Dan S. Cooper 2011-5-10 511- 74 B Los Angeles San Gabriel Valley, San Gabriel, NE corner of South Arroyo Dr. and West Santa Anita Ave., near San Gabriel Mission 128 Comment
  UC54958  Chenopodium ambrosioides H. P. Chandler 1902-9-9 2019 Los Angeles roadside near Ballona Lagoon Comment
  RSA643289  Chenopodium ambrosioides R. D. Goeden, D. W. Ricker 1968-12-3 s.n. Los Angeles San Gabriel River Watershed: Whittier Narrows Dam, East San Gabriel. 61 Comment
  UCR205630  Chenopodium berlandieri A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36999 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
  RSA226053  Chenopodium botrys R. F. Thorne, C. W. Tilforth 1971-6-17 39921 Los Angeles 0.6 mi. below Bear Divide station, San Gabriel Mountains, Angeles National Forest 732 Comment
  RSA604691  Chenopodium botrys L. C. Wheeler 1967-9-29 s.n. Los Angeles Ridge 1/2 mile WNW Pine Mountain. 1249 Comment
  SEINET3156669  Chenopodium californicum Unknown 167 a Los Angeles Pasadena; southern California Comment
  UC450877  Chenopodium californicum Fay A. Macfadden 1931-3-20 14 E Los Angeles Tuna Canyon Verdugo Hills 335 Comment
  UC625088  Chenopodium californicum F. R. Fosberg 1931-3-18 S 4283 Los Angeles Hamilton Canyon Santa Catalina Island 10 Comment
  UCR197163  Chenopodium californicum Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1143 Los Angeles Transverse Ranges: Verdugo Mountains, mouth of McDonald Creek 335 Comment
  POM156659  Chenopodium californicum L. R. Abrams 1903-4-10 3242 Los Angeles Grassy hills, near Inglewood Comment
  UC1971324  Chenopodium desiccatum Louis C. Wheeler 1966-10-1 8935 Los Angeles SAN GABRIEL MOUNTAINS: Millie's Orchard, lower Colby Ranch. Coldwater Canyon. Comment
  UC1136393  Chenopodium murale A. D. Gifford 1934-5-15 234 Los Angeles Escondido Canyon Triunfo Pass Quadrangle (mouth) Comment
  UCR231386  Chenopodium murale Dan S. Cooper 2011-10-6 1011- 121 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Western Canyon, debris basin at north end of picnic area 205 Comment
  RSA64831  Chenopodium pumilio F. W. Peirson 1919-11-12 1823 Los Angeles Holliston Ave. between Boulevard and Mendocino, Altadena. Comment
  UC519964  Chenopodium pumilio Louis Wheeler 1932-10-7 1428 Los Angeles San Gabriel 106 Comment
  RSA89979  Chloris gayana J. C. Roos, A. R. Roos 1950-9-16 4987 Los Angeles Los Angeles. 61 Comment
  LA82376  Chlorogalum pomeridianum O. H. Kappler; 1941-6-15 306 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR149829  Chlorogalum pomeridianum Scott D. White, Pam Devries 2004-5-18 10407 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  UCR258896  Chlorogalum pomeridianum R. G. Swinney 2010-4-30 12470 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  CAS-BOT-BC498811  Chlorogalum pomeridianum LeRoy Abrams 1902-6-2 2634 Los Angeles Sierra Madre, on dry hillsides. Comment
  CAS-BOT-BC244735  Chorizanthe staticoides Le Roy Abrams 1901-4-3 1274 Los Angeles Santa Monica Mts. 243 Comment
  IRVC26201  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26954 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  LA201780  Chorizanthe staticoides Arthur C. Gibson; 2001-5-30 4851 Los Angeles Comment
  UCR177735  Chorizanthe staticoides LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1091 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. 598 Comment
  RSA727370  Chorizanthe watsonii R. G. Swinney 1998-5-16 6075 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  UCD103926  Chylismia claviformis subsp. claviformis Ira L. Wiggins 1966-4-24 20650 Los Angeles Along Palmdale Blvd. between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mohave Desert. Comment
  SEINET5344368  Chylismia claviformis subsp. claviformis N. H. Holmgren, P. K. Holmgren 1974-4-6 7639 Los Angeles Antelope Valley, 3 airline miles northeast of Threepoint. 914 Comment
  UCR127634  Cirsium occidentale Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2914 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  JEPS59145  Cirsium occidentale var. californicum Frank W. Peirson 1918-6-1 248 Los Angeles San Gabriel Mts., Eaton Canyon 640 Comment
  RSA225680  Cirsium occidentale var. californicum R. F. Thorne, A. C. Gibson 1971-5-22 39720 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  CAS-BOT-BC285589  Cirsium occidentale var. occidentale L. R. Abrams; I. L. Wiggins 1931-7-4 334 Los Angeles White's Landing, Santa Catalina Island Comment
  UCR133719  Cirsium occidentale var. occidentale F. R. Fosberg 1931-5-14 S- 4876 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Canyon, 2 miles above ranch 220 Comment
  UC1174821  Cirsium ochrocentrum var. ochrocentrum George W. Garrettson 1960-7-22 Los Angeles about 100 yards w of Water Street; Walnut Comment
  UCR179469  Cirsium vulgare R. G. Swinney, Dave Larson 1996-8-7 5252 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
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Jun 10 2014
  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
  CAS-BOT-BC438755  Cistanthe monandra Alice Eastwood 1906-6-5 246 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  CAS-BOT-BC438760  Cistanthe monandra Peter H. Raven 1962-5-1 17514 Los Angeles Santa Monica Mountains, Corral Canyon Road 5.3 miles north of Coast Highway 579 Comment
  CAS-BOT-BC172437  Clarkia bottae Barbara Shervanick 1974-5-23 1300 Los Angeles Foog of Lodi Canyon, near stream, Pacific drainage, San Gabriel Mts. 396 Comment
  RSA585426  Clarkia bottae Tim S. Ross, Steve D. Boyd 1990-5-31 2749 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  JEPS43846  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 55 Los Angeles 8 mi w Elizabeth Lake 1000 Comment
Read comments
Jun 27 2006
  POM153233  Clarkia dudleyana C. L. Hitchcock 1928-5-19 47 Los Angeles Palmer s Canyon. 900 Comment
  RSA747747  Clarkia dudleyana Scott D. White, J. Wood, J. Miner 2009-5-12 12705 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  RSA609955  Clarkia dudleyana R. S. Woglum 1930-5-10 s.n. Los Angeles Western Transverse Ranges: San Fernando Valley. North Hollywood. Comment
  IRVC27792  Clarkia purpurea A. C. Sanders 2005-5-11 30190 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  SBBG117108  Clarkia purpurea subsp. quadrivulnera S. A. Junak with R. N. Philbrick, M. L. Hoefs 2001-5-19 SCa 1572 Los Angeles Black Jack Rd, ca. 0.15 mi from jct with Airport Rd, ca. 0.34 mi N of Black Jack summit, on N side of ridge below Black Mtn 402 Comment
  CAS-BOT-BC165517  Clarkia unguiculata Geo. L. Moxley 1922-5-1 1095 Los Angeles Mint Canyon Comment
  RSA682668  Clarkia unguiculata LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1095 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  SD215628  Claytonia exigua subsp. exigua Steve Boyd, Lauren Raz 1997-3-14 9164 Los Angeles Lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1390 Comment
  RSA0101269  Claytonia parviflora R. G. Swinney 2011-3-18 14149 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA771775  Claytonia parviflora R. G. Swinney 2009-5-20 10817 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  UCR276947  Claytonia parviflora R. G. Swinney 2010-5-21 12853 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
  RSA653484  Claytonia parviflora subsp. parviflora Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 776 b 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
  UC148009  Claytonia parviflora subsp. parviflora C. F. Baker 1909-4-19 5360 Los Angeles Claremont Comment
  RSA756787  Claytonia parviflora subsp. viridis Orlando Mistretta, Christine Mistretta 2008-4-28 2534 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Impact area 9 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1127 Comment
  RSA527772  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4335 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  POM790  Claytonia perfoliata subsp. mexicana P. A. Munz 1918-4-5 2020 Los Angeles Pomona. Comment
  RSA187821  Claytonia perfoliata subsp. mexicana R. F. Thorne 1966-4-7 35963 Los Angeles Santa Catalina Island: in canyon bottom, Cherry Valley 61 Comment
  SBBG17335  Clematis lasiantha K. A. Wilson 1961-2-18 863 Los Angeles Decker Rd 1 mi N of jct of E portion of Mulholland Hwy Comment
  RSA762062  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2008-5-16 1096 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 107 per TRTP Survey 2008), Upper Fish Canyon 1073 Comment
  RSA573711  Clematis ligusticifolia Tim S. Ross 1990-8-17 3151 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  SBBG31305  Clematis ligusticifolia R. F. Thorne 1966-9-14 36669 Los Angeles Cottonwood Crk (where isthmus rd crosses) 30 Comment
  CLARK-A1528-2384  Cleomella obtusifolia John C. Roos 1947-7-21 Los Angeles Lancaster Comment
  RSA165690  Collomia grandiflora Lawrence T. McHargue, Brian C. Miller 1963-7-6 s.n. Los Angeles Sawmill Mt. Campground 1616 Comment
  LA46185  Comarostaphylis diversifolia subsp. diversifolia K. Kneen; 1933-8-25 6212 Los Angeles Santa Monica Mountains Comment
  RSA618686  Conyza floribunda LeRoy Gross 1998-10-16 85 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  CAS-BOT-BC287759  Coreopsis bigelovii A. D. E. Elmer 1902-6-1 4161 Los Angeles Palmdale Comment
  RSA594963  Coreopsis bigelovii Timothy S. Ross 1995-4-26 8376 Los Angeles Southwesterly slope of Liebre Mountain along Forest Service Road 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft). 1439 Comment
  POM4868  Coreopsis californica C. F. Baker 1903-4-15 4090 Los Angeles Claremont. Comment
  UC569648  Coreopsis douglasii Marcus E. Jones 3361 Los Angeles Pasadena Comment
  RSA149753  Corethrogyne filaginifolia Wesley O. Griesel 1961-9-23 s.n. Los Angeles Switzers Camp. 762 Comment
  SBBG79573  Corethrogyne filaginifolia F. R. Fosberg 1931-7-11 5375 Los Angeles Middle Ranch Cyn at mouth of Cape Cyn 200 Comment
  UCSB37417  Corethrogyne filaginifolia Gordon, Patricia 1980-2-17 Los Angeles 1 mile west of junction of Agoura Rd. and Hwy. 101, on Agoura Rd. 304 Comment
  UCR101181  Coriandrum sativum L. C. Wheeler 1975-5-13 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, Rio Hondo: c. 0.25 mi. north of San Gabriel Blvd. 58 Comment
  RSA397700  Cornus glabrata M. B. Dunkle 1931-4-22 2462 Los Angeles Hamilton Canyon, Santa Catalina Island. 61 Comment
  UCR214665  Coronopus didymus A. C. Sanders, Dan S. Cooper 2010-4-30 38136 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CATA2208  Cotoneaster pannosus Sara L. Crockett 1997-3-14 90 Los Angeles Santa Catalina Island: Hillside adjacent to small park at base of Avalon Canyon Road near 5-way intersection, below steps leading up to Country Club Drive 36 Comment
  RSA670206  Cotula australis Joseph M. Keefe 2001-3-16 31100 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  RSA719197  Cotula australis R. G. Swinney 1998-4-13 5968 Los Angeles Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of N terminous of Mills Ave., on Cobal Canyon Rd. 543 Comment
  UCR146911  Cotula australis D. E. Bramlet, Sandy Leatherman, Brian Leatherman 2001-5-3 3131 Los Angeles Mt. Pinos region, Slopes above (east) of Grasshopper Canyon and adjacent to a large cattle pond; c. 488m east of the old ridge route and 3.7 km north of the mouth of Grasshopper Canyon 541 Comment
  CAS-BOT-BC287259  Cotula australis A. Kellogg; W. G. W. Harford 1868-1-1 518 Los Angeles Unspecified Comment
  RSA629721  Cotula australis L. C. Wheeler 1947-3-1 6457 Los Angeles San Gabriel Mountians: Eaton Canyon about 1/4 mile upstream from mouth.. . Comment
  CATA803  Cotula coronopifolia Mark L. Hoefs, Robert Given 1991-6-12 1375 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  UCR142772  Crassula tillaea L. C. Wheeler 1967-4-23 9193 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  RSA592154  Crassula tillaea L. C. Wheeler 1967-5-7 9286 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 625 Comment
  UCR193172  Crepis nana R. G. Swinney 1999-8-14 7619 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 1.3 air mi. ESE of Upper Fish Fork Campground 2268 Comment
  POM87065  Croton californicus Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  RSA480568  Croton californicus L. E. Hoffman 1933-7-17 s.n. Los Angeles Hermosa Beach. Comment
  RSA592234  Croton californicus L. C. Wheeler 1967-4-30 9244 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  POM2752  Croton californicus var. tenuis C. F. Baker 1903-10-1 3700 Los Angeles Claremont. 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
  SD31213  Croton setiger Edith A. Purer 1962-8-31 4864 Los Angeles Palos Verdes Hills Comment
  IRVC27007  Crypsis schoenoides A. C. Sanders, Mark Elvin 2003-8-7 27168 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  RSA226029  Crypsis vaginiflora R. F. Thorne, C. W. Tilforth 1971-6-29 40647 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.6 mi. above Little Rock Dam near reservoir Campground 976 Comment
  UCR189880  Cryptantha R. G. Swinney 1998-7-27 6490 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
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Dec 6 2018
  UCR252564  Cryptantha R. G. Swinney 2010-6-21 13261 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
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Dec 7 2018
  RSA763225  Cryptantha barbigera Justin M. Wood 2010-5-10 1591 Los Angeles San Gabriel Mountains: Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  UCD40976  Cryptantha barbigera var. barbigera Ellen Dean; Thomas Starbuck, Margaret Starbuck 2003-4-14 1600 Los Angeles Antelope Valley Poppy Reserve. Comment
  RSA772383  Cryptantha circumscissa R. G. Swinney 2009-5-12 10754 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1435 Comment
  RSA0031371  Cryptantha clevelandii M. L. Bryan 1928-4-28 14 Los Angeles Mandeville Canyon, near Santa Monica Comment
  RSA599278  Cryptantha decipiens Steve Boyd, Lauren Raz 1997-3-31 9414 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
  LA31579  Cryptantha intermedia Henry J. Thompson; 1959-4-12 1927 Los Angeles 304 Comment
  LA94299  Cryptantha intermedia Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA94301  Cryptantha intermedia Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  POM368247  Cryptantha intermedia Jack Rempel 1932-4-24 15250 Los Angeles El Segundo. Comment
  RSA612663  Cryptantha intermedia E. Hewgley 1997-4-2 s.n. Los Angeles Bernard Field Station of the Claremont colleges, located on the NW corner of Mills Ave and Foothill Blvd. E of gate, near RSA parking area. 412 Comment
  UCSB10523  Cryptantha intermedia Haller, Norman 1953-3-21 Los Angeles Point Dume Comment
  POM369503  Cryptantha intermedia Bette Wright s.n. Los Angeles Foothills, Glendale Comment
  UCD119866  Cryptantha intermedia Kenneth A. Wilson 1961-4-20 1148 Los Angeles Soledad Canyon, at base of Bee Canyon. Comment
  UCSB5552  Cryptantha intermedia Beach, Kay 1944-6-20 Los Angeles Tanbark SRE Comment
  POM316870  Cryptantha intermedia var. intermedia L. R. Abrams 1901-04 1203 Los Angeles Ballona Harbor Comment
  RSA251521  Cryptantha maritima R. F. Thorne 1973-4-12 42954 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  RSA0106742  Cryptantha microstachys R. G. Swinney 2011-5-19 14763 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  LA94314  Cryptantha muricata Carl Epling; Lincoln Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0058218  Cryptantha muricata R. G. Swinney 2010-6-23 13348 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
  RSA0110198  Cryptantha muricata Richard G. Swinney 2011-5-16 14729 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  SEINET4044559  Cryptantha muricata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  UCR255818  Cryptantha muricata R. G. Swinney 2010-5-4 12498 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR259576  Cryptantha muricata R. G. Swinney 2010-4-13 12206 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA646966  Cryptantha muricata Orlando Mistretta 1992-9-4 794 Los Angeles San Gabriel Mountains: Yerba Buena Trail; Tujunga Ranger District. 1433 Comment
  SEINET6048798  Cryptantha muricata Unknown 1946-5-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA0078883  Cryptantha muricata var. denticulata R. G. Swinney 2008-10-8 9526 Los Angeles San Gabriel Mtns.: Table Mountain West, north of Big Pines. 2284 Comment
  UCR271863  Cryptantha muricata var. denticulata R. G. Swinney 2011-5-31 14886 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCR273436  Cryptantha muricata var. denticulata R. G. Swinney 2011-4-26 14472 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA0079400  Cryptantha muricata var. jonesii L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil s Canyon, depression on bench NE of Campground. 1433 Comment
  RSA0073267  Cryptantha muricata var. muricata Orlando Mistretta, Christine Mistretta 2005-4-21 2072 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA0113374  Cryptantha nevadensis var. rigida LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7552 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  SBBG24518  Cryptantha nevadensis var. rigida R. N. Philbrick 1965-5-20 B 65 -1182 Los Angeles S fork of Little Rock Crk Comment
  RSA0008568  Cryptantha traskiae P. H. Raven 1962-4-11 17271 Los Angeles All over large dune on coast north of a point due west of Wall 2, San Clemente Island 9 Comment
  SD249169  Cryptantha wigginsii Michael G. Simpson, Lori L. Simpson 2012-4-21 3682 Los Angeles Santa Catalina Island. West-facing road cut, on road between Cherry Cove and Howland's Landing. 50 Comment
  SEINET10966020  Cupressus guadalupensis David B. Dunn 1939-10-25 Dunn UMO 46517 Los Angeles Cultivated tree in a park area near Colorado Blvd. and Orange Dr., Pasadena, Calif. 274 Comment
  CHSC95789  Cuscuta californica LeRoy Gross 2002-6-24 548 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side. Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 518 Comment
  UCR204058  Cuscuta californica R. G. Swinney 2005-7-8 8280 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  RSA628304  Cuscuta californica var. californica L. C. Wheeler 1973-11-20 s.n. Los Angeles San Gabriel Mountains: Chaney Trail ca. 1/2 way up. Comment
  RSA609507  Cuscuta occidentalis L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  RSA0008159  Cuscuta salina P. H. Raven, Henry J. Thompson 1959-9-6 14364 Los Angeles At mouth of Malibu Creek. 2 Comment
  UCR141579  Cycladenia humilis June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  UCR192659  Cycladenia humilis R. G. Swinney 1999-8-9 7614 Los Angeles San Gabriel Mtns., along Bear Canyon Trail c. 1 mi south of West Baldy peak of Mt. San Antonio 2756 Comment
  RSA601138  Cyclospermum leptophyllum L. C. Wheeler 1946-6-28 6217 Los Angeles Los Angeles. 637 North Ardmore Ave. Comment
  RSA235292  Cynodon dactylon M. A. Piehl 62498 Los Angeles Santa Catalina Island: main road above Goat Harbor. Comment
  RSA724711  Cyperus K. Dobry 1992-10-25 d- 1103 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  UCR168542  Cyperus erythrorhizos L. C. Wheeler 1932-9-19 1390 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 122 Comment
  CAS-BOT-BC114414  Cyperus erythrorhizos F. R. Fosberg; J. Ewan 1931-8-10 4938 Los Angeles Wet soil along lakeshore Crystal Lake, N Fork San Gabriel. 1615 Comment
  UC303945  Cyperus esculentus I. M. Johnston 1918-7-29 2108 Los Angeles Covina 152 Comment
  SEINET7582153 Image available Cyperus involucratus Louis C. Wheeler 1945-6-3 6061 Los Angeles San Gabriel Mountains, west fork, San Gabriel Canyon, 1 mile west of Fork. Comment
  UC57099  Cyperus niger Ernest Braunton July 1902 566 Los Angeles Los Angeles R. Comment
  RSA703839  Cyperus odoratus A. C. Sanders, Mark A. Elvin 2002-6-20 25233 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
  UC1063769  Cystopteris fragilis Jerome S. Horton 1936-4-28 316 Los Angeles above Falls Wolfskill Canyon; Pomona Quadrangle Comment
  RSA586974  Cystopteris fragilis Orlando Mistretta, Steve Boyd 1995-5-23 1715 Los Angeles San Gabriel Mtns, Bare Mtn Canyon, W side tributary drainage NE of Pacifico Mtn. 1784 Comment
  RSA726055  Dactylis glomerata R. G. Swinney 1997-6-25 5636 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  JEPS23134  Datisca glomerata Rimo Bacigalupi with Reino Alava 1958-7-21 6453 Los Angeles South Fork of Little Rock Creek, Angeles National Forest South Fork of Little Rock Creek; San Gabriel Mountains, Angeles National Forest, Little Rock 1432 Comment
  RSA682456  Datisca glomerata LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1045 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 519 Comment
  UCR210026  Datisca glomerata R. G. Swinney 2008-7-16 9263 Los Angeles San Gabriel Mtns., Little Rock Creek Canyon, 1.7 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1793 Comment
  UC1929323  Datura stramonium Scott D. White, Ed Kentner, Amanda Breen 2007-7-18 11759 Los Angeles Los Angeles Basin; Whittier Narrows Recreation Area- S of the 60 freeway and W of 605 freeway. ''Legg Lake'' 64 Comment
  RSA602181  Datura stramonium Louis C. Wheeler 1946-10-26 6395 Los Angeles 1/4 mile north of Azusa. Comment
  RSA470781  Daucus pusillus F. R. Fosberg 1931-4-10 S- 4526 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon. 50 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
  CAS-BOT-BC130920  Deinandra clementina E. R. Blakley 1961-10-21 4790 Los Angeles Landing Cove, Santa Barbara Island 6 Comment
  UC1215184  Deinandra clementina Peter H. Raven 1962-5-7 17575 Los Angeles Wilson Cove San Clemente Island, Wilson Cove 45 Comment
  UC206221  Deinandra fasciculata Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC299268  Deinandra fasciculata M. E. Jones 1902-6-27 s.n. Los Angeles Catalina Is. Comment
  UC535386  Delphinium cardinale Ira W. Clokey, B. Templeton June 1929 4580 Los Angeles hill side Santa Monica Mountains, Mandeville Canyon 300 Comment
  UCR258600  Delphinium cardinale R. G. Swinney 2010-8-26 13599 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  POM123102  Delphinium cardinale H. E. Hasse 1890-06 s.n. Los Angeles [Unspecified] Comment
  RSA394507  Delphinium cardinale F. Denser 1939-6-26 s.n. Los Angeles Benedict Canyon. Comment
  RSA571281  Delphinium parishii subsp. parishii Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8322 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
  SBBG77827  Delphinium parryi subsp. maritimum F. R. Fosberg 1932-6-6 8130 Los Angeles Big Wash Cyn, Avalon 50 Comment
  CAS-BOT-BC116285  Delphinium parryi subsp. parryi Ynez Whilton Winblad 1941-5-24 s.n. Los Angeles Ridge Route, Highway 99 Comment
  LA82452  Delphinium parryi subsp. parryi O. H. Kappler; 1940-5-12 9 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA0029535  Delphinium parryi subsp. purpureum Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Angeles Nat'l Forest; On the road between Liebre and Sawmill Mountains 1463 Comment
  UCD96554  Delphinium patens Kenneth A. Wilson 1961-3-14 1019 Los Angeles Santa Monica Mtns. Mulholland Hwy. 1/2 mile west of Seminole Hot Springs. Comment
  SD90467  Dendromecon harfordii Robert F. Thorne 1970-3-5 39362 Los Angeles Santa Catalina Island; north slope of Blackjack Mountain. 456 Comment
  LA200716  Dendromecon rigida Virginia Mars; 1951-3-10 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA433202  Dendromecon rigida subsp. rhamnoides M. B. Dunkle 1928-4-21 1875 Los Angeles Renton Mine Hill, Santa Catalina Island. Comment
  SBBG72170  Descurainia pinnata M. N. Ackley 1928-2-12 134 Los Angeles Eaton Wash 365 Comment
  SBBG17040  Descurainia pinnata M. Vincent 1962-2-19 135 Los Angeles near Piuma Rd, 5 mi E of Malibu Cyn Rd Comment
  RSA746855  Descurainia pinnata subsp. halictorum Orlando Mistretta 1992-5-21 380 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  CDA24799  Descurainia pinnata subsp. menziesii G. C. Fleischman 1942-4-18 Los Angeles Along Beverly Drive, Altadena. 0 Comment
  RSA433591  Dicentra ochroleuca H. E. Hasse 1891-1 s.n. Los Angeles Near Santa Monica Comment
  CAS-BOT-BC499428  Dichelostemma capitatum John H. Thomas 1957-4-27 6702 Los Angeles Santa Monica Mtns. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles nw of Pt. Dume. 15 mi.due west of Santa Monica 152 Comment
  RSA598200  Dichelostemma capitatum Steve Boyd, Lauren Raz 1997-3-4 9140 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 987 Comment
  UCR100067  Dichelostemma capitatum R. G. Swinney 1969-5-4 409 -12 Los Angeles San Gabriel Mtns., Glendora Foothills. 0.6 mi north of Sierra Madre Ave. on N Pennsylvania Ave., Glendora 366 Comment
  UCR2717958  Dichelostemma capitatum R. G. Swinney 2010-5-7 12587 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  SFV686  Dichelostemma capitatum C. Gasser 1956-3-3 s. n. Los Angeles Santa Monica Mountains One-third mile from Highway 101 on Malibu Canyon Road. 610 Comment
  LA26157  Dichelostemma capitatum subsp. capitatum Judith Webb; 1955-4-2 sn Los Angeles 243 Comment
  RSA376836  Dichelostemma capitatum subsp. capitatum F. R. Fosberg 1931-4-15 S 4632 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  RSA526632  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4225 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA640805  Dichelostemma capitatum subsp. capitatum L. C. Wheeler 1931-4-10 s.n. Los Angeles Pomona: Ganesha Heights. Comment
  UCR48959  Digitaria sanguinalis A. C. Sanders 1987-7-22 7167 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  UCR261324  Dimorphotheca sinuata R. G. Swinney 2010-3-13 11886 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  CAS-BOT-BC166982  Diplacus longiflorus A. C. Sanders; T. B. Salvato 2009-5-29 37033 Los Angeles San Gabriel Valley: Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Hwy, S of Live Oak Ave. 114 Comment
  SD217383  Diplacus parviflorus Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4421 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  CDA3676  Diplotaxis tenuifolia S. Foster 1948-12-1 Los Angeles San Fernando Road at Cobalt Street, San Fernando Valley. 0 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
  RSA639731  Dodecatheon clevelandii subsp. clevelandii Louis C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: Ridge east of Ham Canyon. 755 Comment
  UCR129363  Drymocallis cuneifolia var. ewanii F. W. Peirson 1921-6-18 2801 Los Angeles San Gabriel Mtns., Windy [Little Jimmy] Camp, Mt. Islip 2256 Comment
  RSA332611  Drymocallis glandulosa Wayen E. Sawyer 1981-6-11 26 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of Highwaty 39, 1.8 mile from Dawson Saddle 2287 Comment
  POM366518  Drymocallis glandulosa var. glandulosa Anstruther Davidson 1890-04 s.n. Los Angeles Near Burbank Comment
  CHSC95356  Dryopteris arguta LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 296 Los Angeles Verdugo Mountains: Hostetter Mountainway. 640 Comment
  RSA127775  Dudleya blochmaniae P. H. Raven, Henry J. Thompson 1959-6-4 14337 Los Angeles Point Dume. 37 Comment
  RSA226128  Dudleya cymosa subsp. pumila R. F. Thorne, C. W. Tilforth 1971-6-17 39955 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA83348  Dudleya cymosa subsp. pumila F. W. Peirson 1924-5-27 4640 Los Angeles Trail below Colby's 853 Comment
  CAS-BOT-BC411383  Dudleya lanceolata Geo. B. Grant 1902-5-27 s.n. Los Angeles Little Santa Anita Canyon 609 Comment
  RSA0110505  Dudleya lanceolata R. G. Swinney 2010-6-1 13141 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  CAS-BOT-BC411394  Dudleya lanceolata Joseph Andorfer Ewan 1932-6-29 7560 Los Angeles 1/2 mile N of El Segundo Comment
  UC1713540  Dudleya multicaulis I. M. Johnston May 1917 1290 Los Angeles hills n Claremont (Johnson's Pasture); San Antonio Mountains 609 Comment
  SBBG98197  Dudleya virens F. R. Fosberg 1931-5-18 4890 Los Angeles Little Harbor 2 Comment
  UC1593823  Dudleya virens Jim Dice, Rowena Thompson and Bob Thompson 1983-6-7 351 Los Angeles 0.4 km e lighthouse (on n facing slope along edges os Palos Verdes Dr South); Point Vincente 67 Comment
  RSA397765  Dudleya virens subsp. hassei M. B. Dunkle 1931-4-22 2467 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  RSA198835  Dudleya virens subsp. insularis R. F. Thorne 1968-5-28 37675 Los Angeles Santa Catalina Island. above mouth of Wild Boar Gully, 1 mi WNW of Salta Verde Pt. and due N of Black Ridge, 91 Comment
  SEINET13311319  Dudleya virens subsp. insularis Reid Moran 1972-5-27 19143 Los Angeles Just east of Pt. Vicente 5 Comment
  SD112655  Dysphania botrys D. F. Howe 1956-7-1 2550 Los Angeles Tujunga Can, San Gabriel Mts. 456 Comment
  RSA617167  Eclipta prostrata LeRoy Gross 1998-9-18 57 Los Angeles Southern base of San Gabriel Mountains; Big Tujunga Wash east of the 210 freeway 365 Comment
  UC1922784  Ehrharta calycina LeRoy Gross 2007-4-6 2620 Los Angeles [Transverse Ranges; Verdugo Mountains region]; South base of the range; Just east of Craig Canyon, at the intersection of Groton drive and Hamline Place. Between the city of Burbank and the south slope of the range. Near 288 Comment
  RSA666731  Ehrharta erecta A. C. Sanders, D. Malueg 2001-5-17 24314 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decomissioned. 122 Comment
  RSA187815  Elatine californica R. F. Thorne 1966-4-6 35898 Los Angeles Santa Catalina Island: below Catalina Airport 436 Comment
  RSA0068308  Eleocharis R. G. Swinney 2010-5-12 12713 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA365447  Eleocharis montevidensis T. S. Clare 1929-4-11 s.n. Los Angeles Verdugo Hills, near Glendale Comment
  RSA709613  Eleocharis obtusa A. C. Sanders 2005-5-5 29896 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  RSA550378  Eleocharis parishii Timothy S. Ross 1992-7-10 6667 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  SEINET7586930 Image available Eleocharis parishii Steve Boyd, Mike Wall 1996-5-16 8788 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluences with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca 0.9 mi E of jtn with Lake Hughes Road. 622 Comment
  SEINET3129032  Elymus condensatus Unknown 1902-7-2 2638 Los Angeles Little Santa Anita canyon, Sierra Madre Comment
  RSA729101  Elymus elymoides R. G. Swinney 1999-7-5 7504 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  SEINET10564655  Elymus elymoides Victor Duran 1933-7-9 Duran 3506 Los Angeles Horse Flats, San Gabriel Mts. One of the most plentiful grasses in the sparse grassland of the dry open floor of the Jeffrey pine forests in this region. 1676 Comment
  UCR127187  Elymus glaucus A. C. Sanders 2003-5-1 26249 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
  UCR194594  Elymus glaucus R. G. Swinney 1998-8-6 6679 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UC1870331  Elymus glaucus subsp. glaucus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 404 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Vedugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 427 Comment
  RSA0031749  Elymus glaucus subsp. glaucus Orlando Mistretta, Christine Mistretta 2008-4-19 2498 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  RSA0127509  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-7-18 10097 Los Angeles Yerba Buena Spring, Gold Creek of Little Tujunga [Canyon]. 1189 Comment
  CAS-BOT-BC234099  Elymus multisetus R. L. Armacost 1967-6-2 2240 Los Angeles Vacant lot opposite 910 Franklin St., Santa Monica Comment
  RSA588899  Elytrigia intermedia subsp. intermedia Timothy S. Ross, Steve Boyd 1990-5-15 2542 Los Angeles Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE). 1012 Comment
  SFV2956  Emmenanthe penduliflora J. Chapman 1956-3-29 s. n. Los Angeles Tehachapi Mountains Gorman. 1160 Comment
  UCR252875  Emmenanthe penduliflora R. G. Swinney 2010-5-11 12654 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
  RSA3506  Encelia californica C. B. Wolf 1932-5-9 3449 Los Angeles Pebbly Beach, Santa Catalina Island. 8 Comment
  SFV3868  Encelia californica K. A. Wilson 1961-3-16 1033 Los Angeles Santa Monica Mountains Point Dume. Summit of Birdview and Cliffside Drive. Sandy field. 38 Comment
  SBBG126264  Encelia farinosa A. C. Sanders with T. B. Salvato 2009-5-29 37043 Los Angeles Irwindale on W side of Santa Fe Dam, W edge of 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam 130 Comment
  NY70330  Ephedra nevadensis L. S. Rose 1968-4-5 68013 Los Angeles Acton, Mojave Desert 1585.0 Comment
  RSA0034244  Ephedra nevadensis David Charlton 1992-5-18 s.n. Los Angeles 1 mile north of Redman on southern boundary of Edwards AFB, Western Mojave Desert. 716 Comment
  RSA85055  Ephedra nevadensis F. W. Peirson 1921-5-19 1527 Los Angeles Little Rock Creek 945 Comment
  UCR264733  Ephedra nevadensis var. nevadensis Steve Boyd, Gary D. Wallace 2011-4-14 12314 B Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA595129  Ephedra viridis Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8565 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  RSA0041745  Epilobium angustifolium subsp. circumvagum Tim S. Ross 1990-8-17 3177 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  CAS-BOT-BC166195  Epilobium canum subsp. canum Fordyce Grinnell, Jr. 1903-12-31 107 Los Angeles Mt. Wilson Trail, Santa Anita [Canon] Canyon 457 Comment
  RSA322909  Epilobium canum subsp. canum Reid V. Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22691 Los Angeles San Clemente Island. Near mouth of Red Rock Canyon. 20 Comment
  RSA609534  Epilobium canum subsp. canum Louis C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Mt. Wilson road below Henninger Flats. 671 Comment
  UC64602  Epilobium canum subsp. canum T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  CAS-BOT-BC171927  Epilobium canum subsp. latifolium I. M. Johnston 1917-7-29 1586 Los Angeles San Antonio Canyon, San Antonio Mountains 2286 Comment
  CAS-BOT-BC167110  Epilobium ciliatum A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36975 Los Angeles San Gabriel Valley: Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA0073364  Epilobium ciliatum R. G. Swinney 2010-3-16 11959 Los Angeles 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
  POM3150  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  POM6404  Epipactis gigantea M. Hitchcock 1918-7-28 s.n. Los Angeles Pacoima Canyon. Comment
  RSA229749  Epipactis gigantea Wesley O. Griesel 1962-4-17 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 549 Comment
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Jul 5 2010
  RSA381696  Epipactis gigantea George Henry Grinnell s.n. Los Angeles Los Angeles. Comment
  RSA381737  Epipactis gigantea Albert J. Perkins 1914-5-17 s.n. Los Angeles Near Mexican Ranch. Tejunga Canon [Tujunga Canyon]. Comment
  RSA724618  Epipactis gigantea K. Dobry 1991-5-18 606 Los Angeles Cold Creek Cyn. Santa Monica Mts at Lower Cold creek Presv Comment
  LA200042  Equisetum X ferrissii Lawrence L. Kiefer; 1962-12-24 1828 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 3 mi N of Sunset Blvd. 274 Comment
  RSA639594  Equisetum arvense L. C. Wheeler 1933-7-7 1919 Los Angeles Lexington Wash near El Monte. 73 Comment
  UCR189826  Equisetum arvense R. G. Swinney 1998-9-4 6903 A Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  UCR208113  Equisetum hyemale subsp. affine L. C. Wheeler 1932-5-4 679 Los Angeles Transverse Range; San Gabriel Mtns., San Dimas Canyon 381 Comment
  RSA650207  Equisetum hyemale var. affine G. Foster 1961-6-3 127 Los Angeles West Covina Comment
  CAS-BOT-BC57317  Equisetum laevigatum Peter H. Raven 1959-10-25 14701 Los Angeles Arroyo Sequit 1.6 miles north of Coast Highway 137 Comment
  UCR184104  Equisetum laevigatum A. C. Sanders 2007-4-13 33411 Los Angeles Tehachapi Mtns. Foothills, below the entrance road near the gate to the National Cement Plant, along creek c. 0.25 mi south of Kern Co. line 991 Comment
  RSA0034729  Equisetum laevigatum Richard Schlichting 1948-5-23 s.n. Los Angeles San Dimas Canyon Park. 304 Comment
  CAS-BOT-BC57798  Equisetum telmateia G. B. Grant 1900-2-4 s.n. Los Angeles Arroyo Seco, Cal St., Pasadena. Comment
  RSA0036102  Equisetum telmateia Le Roy Abrams 1901-4-11 1464 Los Angeles Ballona Creek Comment
  RSA684719A  Equisetum telmateia var. braunii M. B. Dunkle 1928-5-20 1964 a Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  RSA127969  Equisetum telmateia var. braunii Peter H. Raven 1959-10-25 1469 Los Angeles Santa Monica Mountains: Arroyo Sequit 1.6 miles north of Coast Highway 137 Comment
  SBBG56821  Eragrostis mexicana R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UC53417  Eragrostis mexicana subsp. mexicana Dr. A. Davidson 1890-1 Los Angeles Los Angeles Comment
  RSA651607  Eragrostis mexicana subsp. virescens G. T. Parks 1949-12-20 s.n. Los Angeles Found between Cypress and Bonita on Vincent right near the wash 198 Comment
  CDA2076  Eragrostis minor R. G. Howell 1965-6-28 Los Angeles Newhall Avenue, Saugus. 0 Comment
  UCR21045  Eragrostis pectinacea var. pectinacea John C. Roos 1940-9-6 s.n. Los Angeles Westwood Village, Los Angeles 90 Comment
  LA32284  Eremocarpus setiger Peter H. Raven; Henry J. Thompson 1959-10-18 14682 Los Angeles Santa Monica Mountains, along Decker Road, 1.8 mi S of Mulholland Hwy 487 Comment
  RSA600751  Eremocarpus setiger L. C. Wheeler 1967-6-15 9834 Los Angeles San Gabriel Mountains: North slope foothills between Bouquet Junction and Bonelli Ranch. 366 Comment
  UCR228578  Eremogone macradenia var. arcuifolia Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8054 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 800 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1110 Comment
  UCR204821  Eriastrum densifolium R. G. Swinney 2005-8-22 8513 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  RSA0104860  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3889 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA0108911  Eriastrum densifolium subsp. austromontanum Mark Brunell 1993-7-16 137 Los Angeles San Jacinto Mts. Thomas Mtn Road 1.5 km west of thomas Mtn. Campground, both sides of road. 1939 Comment
  LA106819  Eriastrum densifolium subsp. densifolium D. Bradbury; Gloria Bradbury 1907-6-20 344 Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Highway Comment
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Aug 1 2016
  RSA0121166  Eriastrum pluriflorum subsp. sherman-hoytiae P. A. Munz, T. Craig 1933-5-13 12930 Los Angeles 12 miles south of Munroc. Comment
  RSA0103478  Eriastrum rosamondense Steve Boyd, Kent Hughes 1998-5-5 10189 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  IRVC28993  Eriastrum sapphirinum A. C. Sanders 2003-6-18 26935 Los Angeles ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch N end of Santa Susana Mtns. 366 Comment
  RSA0121814  Eriastrum sapphirinum subsp. dasyanthum Michael Wall 2003-6-11 336 Los Angeles City of Claremont, vacant lot sold for commercial development at NW corner of Monte Vista Ave. and Foothill Blvd. 427 Comment
  CAS-BOT-BC514975  Eriastrum sapphirinum subsp. dasyanthum Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon Comment
  RSA0121283  Eriastrum sapphirinum subsp. dasyanthum K. Dobry 1991-6-24 d- 759 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UCSB28949  Eriastrum sapphirinum subsp. dasyanthum Patterson, R. 1976-5-21 Los Angeles Halsey Canyon Road, ca. 2 mi. NW of junction with Del Valle Road 400 Comment
  RSA628718  Ericameria cooperi R. S. Woglum 1942-5-20 3323 Los Angeles Mojave Desert: Angeles Crest Highway, desert side. Comment
  UCR151331  Ericameria cooperi LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 853 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  UCR186902  Ericameria cooperi A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32018 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  POM359352  Ericameria ericoides var. ericoides H. de Forest 1928-11-14 s.n. Los Angeles El Segundo. Comment
  RSA0091519  Ericameria linearifolia R. G. Swinney 2010-5-12 12723 Los Angeles Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  RSA0116166  Ericameria linearifolia R. G. Swinney 2011-6-15 15211 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  SBBG112161  Ericameria linearifolia C. Bornstein, E. Collins 1997-4-14 Los Angeles USFS Rd N2, ca. 1.2 mi W of jct with Sawmill Mt Rd 1211 Comment
  UCR184212  Ericameria linearifolia A. C. Sanders 2007-4-19 33451 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR270497  Ericameria linearifolia R. G. Swinney 2011-4-1 14316 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  CAS-BOT-BC298041  Ericameria nauseosa var. mohavensis Timothy S. Ross; Steve Boyd 1994-9-21 8296 Los Angeles Liebre Mts. Vicinity of West Summit 1690 Comment
  CATA402  Ericameria palmeri var. pachylepis Mark L. Hoefs, A. Douglas Propst & Robert F. Thorne 1974-9-12 528 Los Angeles Santa Catalina Island: Above Empire Landing 60 Comment
  LA32040  Ericameria palmeri var. pachylepis Peter H. Raven; Henry J. Thompson 1959-10-31 14720 Los Angeles Santa Monica Mountains, Tarzana, Vanalden Avenue S of Wells Avenue 304 Comment
  UC1483335  Ericameria palmeri var. pachylepis Robert F. Thorne, D. Propst, and H. Hoefs 1974-9-12 45114 Los Angeles near Empire Landing; Santa Catalina Island 45 Comment
  POM359448  Ericameria parishii var. parishii Albert J. Perkins 1928-09 s.n. Los Angeles Clear Creek Trail, Sierra Madre Mountains Comment
  RSA250343  Ericameria parishii var. parishii R. F. Thorne, Larry E. DeBuhr 1972-8-18 42235 Los Angeles Charlton Flats Burn W. of Mt. Mooney 1645 Comment
  CAS-BOT-BC293142  Ericameria pinifolia Alice Eastwood 1913-5-11 3166 Los Angeles San Fernando Wash Comment
  UC1118803  Ericameria pinifolia A. E. Wieslander 1934-2-1 361 Los Angeles Mint Canyon Angeles National Forest, Elizabeth Lake Quad., Mint Canyon 640 Comment
  UC1971445  Ericameria pinifolia Steve Boyd 1998-10-7 10298 Los Angeles LIEBRE MOUNTAINS REGION: Bouquet Canyon, east of Bouquet Reservoir along Spunky Canyon Road just west of junction with Bouquet Canyon Road. Comment
  UCR272531  Ericameria pinifolia R. G. Swinney 2011-9-22 15688 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge 1009 Comment
  CATA1697  Erigeron canadensis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-10-22 3002 Los Angeles Santa Catalina Island: Near road above Two Harbors dump 195 Comment
  SBBG31360  Erigeron canadensis R. F. Thorne 1966-9-14 36668 a Los Angeles behind dunes at Little Harbor 4 Comment
  LA94432  Erigeron foliosus var. foliosus J. A. Ewan; 1929-6-22 3438 Los Angeles Comment
  UC68941  Erigeron foliosus var. foliosus H. M. Hall 1905-7-1 6714 Los Angeles Fairmount Antelope Valley, Fairmount 853 Comment
  UCD168359  Eriodictyon crassifolium var. crassifolium J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  LA35983  Eriodictyon crassifolium var. nigrescens Peter H. Raven; 1960-5-15 15378 Los Angeles Santa Monica Mountains, Cold Canyon, junction of Mulholland Hwy with Cold Canyon Rd 365 Comment
  OBI13963  Eriodictyon crassifolium var. nigrescens Robert J. Rodin 1953-5-17 5821 Los Angeles Near hwy 101, 3 mi S of Gorman Comment
  UCD119243  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1946-8-27 6247 Los Angeles San Gabriel Mountains: Intersection of Angeles Crest Highway and Angeles Forest Highway on ridge between Arroyo Seco and Tujunga Canyon. Comment
  CAS-BOT-BC188953  Eriodictyon parryi Le Roy Abrams 1908-7-2 577 Los Angeles Rock Creek, San Gabriel Mountains 1676 Comment
  SFV16677  Eriodictyon trichocalyx P. Wilson, J. M. Albert 1996-6-12 3436 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 52.85, near Three Points. 1799 Comment
  SEINET6053984  Eriogonum angulosum Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabreil Mtns. 2 mi NE of Vincent Comment
  UCD99684  Eriogonum angulosum A. C. Sanders 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed; Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon. WNW of Del Valle. 335 Comment
  UC412875  Eriogonum baileyi A. Davidson 1901-8-11 1951 Los Angeles Rock Creek Comment
  CAS-BOT-BC241579  Eriogonum baileyi var. baileyi A. D. E. Elmer 1902-6-1 3667 Los Angeles Acton Comment
  UCD105103  Eriogonum cinereum M. Vincent 1962-12-5 311 Los Angeles Santa Monica Mountains, Mulholland Highway one mile east of Las Virgenes Road. Comment
  RSA580096A  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-7 8144 A Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  JEPS56689  Eriogonum davidsonii Joseph Andorfer Ewan 1934-8-3 8396 Los Angeles near county line; San Gabriel Mts., Swartout Valley 1981 Comment
  RSA755870  Eriogonum davidsonii R. G. Swinney 2008-7-15 9194 Los Angeles Winston Peak. 2275 Comment
  SBBG125525  Eriogonum davidsonii A. Parikh, N. Gale 2010-6-15 3290 Los Angeles upper Big Tujunga Cyn, 0.2 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1305 Comment
  SD197875  Eriogonum davidsonii R. G. Swinney 2005-8-26 8525 Los Angeles Devil's Punchbowl County Park,peak 6374, ca. 0.5 mile southwest of Devil's Chair. 1933 Comment
  UC1584917  Eriogonum davidsonii Tim Ross, Steve Boyd 1991-7-24 5645 Los Angeles nne slope Grantite Mountain Granite Mountain, Pacifico Mountain USGS 7.5' quadrangle 1901 Comment
  RSA393302  Eriogonum elongatum var. elongatum F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5447 Los Angeles San Gabriel Mountains: Pine Flats, First Camp, N fork San Gabriel Canyon 1700 Comment
  UCR210490  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2008-11-30 9867 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  RSA0055776  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-4-28 12422 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
  UCR270220  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-10 15744 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  HSC17272  Eriogonum fasciculatum var. foliolosum C. S. Apperson 1967-6-15 Los Angeles 4 mi. up Townsend Pk. Rd. off of Hwy. 99. Comment
  RSA602458  Eriogonum fasciculatum var. foliolosum Scott D. White 1997-5-15 5150 Los Angeles Big Tujunga Wash: Sunland-Tujunga area;alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  SBBG62032  Eriogonum fasciculatum var. foliolosum M. N. Ackley -May-1922 869 Los Angeles Burbank Hills 274 Comment
  SEINET4557591  Eriogonum fasciculatum var. foliolosum Jeannie Gregory, Vistoria Marshall 2009-1 3252 Los Angeles Mesa Grande, Nature Conservancy (Whetly Property), 2 miles W of Morettis Junction (Pala Road & Hwy 79) E of Mesa Grande Road, 2.5 miles S of dam at Lake Henshaw. 1061 Comment
  RSA393438  Eriogonum fasciculatum var. polifolium L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA532644  Eriogonum fasciculatum var. polifolium Tim S. Ross 1991-8-14 5757 Los Angeles Roundtop Mountain. 1878 Comment
  UCR108443  Eriogonum fasciculatum var. polifolium L. C. Wheeler 1961-6-13 7872 Los Angeles San Gabriel Mtns, Pacoima Canyon at Bad Canyon 1098 Comment
  UC398795  Eriogonum giganteum Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC250299  Eriogonum giganteum var. giganteum G. B. Grand No date on label s.n. Los Angeles Santa Catalina Island Comment
  UC56805  Eriogonum gracile J. B. Davy Oct 1896 2748 Los Angeles Santa Monica Comment
  SBBG62116  Eriogonum gracile R. Hoffmann 1928-11-11 Los Angeles near Balestier's, Mint Cyn Comment
  RSA393225  Eriogonum gracile var. gracile Joseph A. Ewan 1930-10-22 3430 Los Angeles Bouquet canyon, 4 miles above mouth. Comment
  RSA486470  Eriogonum gracile var. gracile Richard Noyes 1988-7-30 599 Los Angeles Burbank Canyon, NW of Thompson Creek Dam 525 Comment
  RSA66031  Eriogonum gracile var. gracile F. W. Peirson 1923-10-7 4164 Los Angeles Railroad station at Newhall. Comment
  SEINET7862101  Eriogonum gracile var. gracile M. A. Elvin 2003-5-25 2927 A Los Angeles NE end of Santa Susana Mtns.; [Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage.] 595 Comment
  SD92012  Eriogonum grande var. grande Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22670 Los Angeles on cliff above sea, east side 1 mile south of Wilson's Cove, San Clemente Island 35 Comment
  UC729491  Eriogonum heermannii var. heermannii Carl B. Wolf 1932-8-11 4009 Los Angeles 1/8 mi below Big Rock Ranger Station (Big Rock Creek); San Gabriel Mts., Big Rock Creek 1066 Comment
  UC6213  Eriogonum maculatum H. M. Hall 1899-6-19 1268 Los Angeles n slope San Antonio Mountains San Antonio Mountains 1981 Comment
  RSA393658  Eriogonum maculatum Anstruther Davidson 1901-08 1860 ? Los Angeles Little Rock Creek. Comment
  CHSC111504  Eriogonum nudum var. pauciflorum Duncan S. Bell; Caitlin Elam 2013-7-11 5369 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mt. Wilderness; eastern flanks of Mt. Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  POM13371  Eriogonum nudum var. pauciflorum P. A. Munz 1922-7-22 6126 Los Angeles San Antonio Canyon, San Gabriel Mountains 1829 Comment
  POM17793  Eriogonum parishii P. A. Munz 1923-8-31 7680 Los Angeles Blue Ridge, south of Swartout Valley, San Gabriel Mountains. 2576 Comment
  CAS-BOT-BC257754  Eriogonum parvifolium A. J. McClatchie 1893-7-3 149 Los Angeles Redondo Comment
  UCR191159  Eriogonum pusillum R. G. Swinney 1999-6-28 7457 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
  SBBG125875  Eriogonum roseum A. Parikh, N. Gale 2010-6-4 3258 Los Angeles Sierra Pelona, 2.9 km W of State Hwy 14, 1.2 km S of Avenue S; E Liebre Mtns 995 Comment
  SBBG95289  Eriogonum saxatile D. Keil, V. L. Holland 1987-5-1 20047 Los Angeles Littlerock Reservoir Comment
  CAS-BOT-BC267606  Eriogonum saxatile James L. Reveal; C. Rose Broome 1987-6-25 6571 Los Angeles Along teh Angeles Crest Highway (California Highway 2) at milepost 47.3, 10.4 miles south of Cloudburst Summit and 0.4 mile south of Charlton Flat Campground, San Gabriel Mountains 1615 Comment
  RSA777688  Eriogonum thurberi Orlando Mistretta, Christine Mistretta 2010-5-19 5103 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA590617  Eriogonum thurberi Tim S. Ross, S. D. Boyd 1990-6-4 2795 Los Angeles ridge separating Moody Canyon (on the E) from Mill Canyon and Bootleggers Canyon (on the W). 1036 Comment
  UCR190423  Eriogonum umbellatum var. minus R. G. Swinney, Cody Clarke 2001-6-20 8009 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  SD215621  Eriogonum viridescens Timothy S. Ross, Peter W. Fritsch, et al. 1990-6-22 3721 Los Angeles Pinyon Ridge; eastern half of the ridge, directly north of Fenner Canyon. 1938 Comment
  UCR209419  Eriogonum wrightii R. G. Swinney 2008-10-8 9514 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  RSA191580  Eriogonum wrightii var. subscaposum Robert F. Thorne, M. Z. Thorne 1966-8-29 36589 Los Angeles San Gabriel Mountains, Angeles National Forest: S end of Crystal Lake at upper end of canyon of N fork of San Gabriel River 1707 Comment
  POM357946  Eriophyllum confertiflorum M. B. Dunkle 1939-11-24 7345 Los Angeles Canyon head, Mosquito summit, San Clemente Island. Comment
  POM4915  Eriophyllum confertiflorum W. R. Shaw 1900-6-11 57 Los Angeles Claremont. 365 Comment
  RSA526061  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4159 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA724396  Eriophyllum confertiflorum K. Dobry 1991-4-22 s.n. Los Angeles Santa Monica Mts. Upper Cold Creek Cyn Comment
  UCR170406  Eriophyllum confertiflorum Alex R. Van Dam 2004-5-16 018 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park on hiking trail on N-facing slope 262 Comment
  UCR206160  Eriophyllum confertiflorum R. G. Swinney 2008-6-4 8931 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  JEPS32961  Eriophyllum confertiflorum var. confertiflorum E. R. Blakley 1958-5-9 2274 Los Angeles hills 2 mi e Gorman 1097 Comment
  SD45602  Eriophyllum confertiflorum var. trifidum Darley F. Howe 1953-5-3 Los Angeles Santa Catalina Island, hillside at mouth of Wain Canyon. Comment
  CAS-BOT-BC308362  Eriophyllum nevinii June Giddings 1924-8-1 s.n. Los Angeles Pebbly Beach, Santa Catalina Island Comment
  RSA526572  Eriophyllum nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4280 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  UCR170319  Eriophyllum pringlei John F. Green 2006-3-15 s.n. Los Angeles Mojave Desert, between Llano and Pearblossom, Hwy 138 at Big Rock Wash crossing, both sides of wash in zone being cleared for highway widening 963 Comment
  UCD132246  Eriophyllum wallacei Geoffrey Levin 1975-5-17 505 Los Angeles 1.5 mi. east on State 138 from junction with State 18 near Pinyon Hills. Drainage Area: Mohave River. 1158 Comment
  UCR205912  Eriophyllum wallacei R. G. Swinney 2008-5-5 8753 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA190998  Eriophyllum wallacei R. F. Thorne 1963-5-15 31667 Los Angeles San Gabriel Mountains region: 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  RSA584172  Erodium botrys Tim S. Ross 1990-5-15 2354 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA647971  Erodium cicutarium Michelle Manolovitz, Brian Manolovitz 1992-5-12 12 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 400 feet northwest of park office. Comment
  UC192991  Erodium macrophyllum Samuel B. Parish Jun 1887 1906 Los Angeles Elizabeth Lake Comment
  RSA670927  Erodium moschatum Joseph M. Keefe 2001-1-19 30927 Los Angeles North side of wood fence along the Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 meters west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive); Eagle Rock District, Los Angeles, 90041. 293 Comment
  UCR48938  Erodium moschatum A. C. Sanders 1987-7-22 7153 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA512060  Erodium moschatum Louis C. Wheeler 1967-5-13 9505 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA660470  Erodium moschatum Mary C. Hunter 1994-5-23 14 Los Angeles Arroyo Seco; West of Aqueduct; South of 134 overpass; Near building P, Pasadena. Comment
  CAS-BOT-BC41509  Erysimum asperum Joseph Andorfer Ewan 1932-5-29 7219 Los Angeles San Gabriel Mountains. Mount Gleason. 1737 Comment
  UCR178897  Erysimum capitatum R. G. Swinney 1970-4-4 0013 Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 421 Comment
  POM148416  Eschscholzia caespitosa C. F. Baker 1904-4-22 4180 Los Angeles Monrovia. Comment
  RSA433637  Eschscholzia caespitosa Edwin Kline 1925-4-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mountains. Comment
  CAS-BOT-BC403156  Eschscholzia californica Alice Eastwood 1917-7-20 6531 Los Angeles Santa Catalina Island Comment
  RSA592417  Eschscholzia californica Mark Hoefs, D. Propst 1973-3-3 37 Los Angeles Santa Catalina Island. North slope of Black Jack Mt. 442 Comment
  SEINET3480180  Eschscholzia californica Unknown 1939-7-10 131 Los Angeles Los Angeles, Los Angeles Comment
  CAS-BOT-BC403175  Eschscholzia californica Ernest C. Twisselmann 1966-4-27 12108 Los Angeles Mojave Desert. Southwest side of Antelope Valley 883 Comment
  RSA0056412  Eschscholzia californica James R. Shevock 1970-3-14 34 Los Angeles Claremont. 518 Comment
  RSA716360  Eschscholzia californica Andrea Edwards, Pam De Vries 2006-4-11 96 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  IRVC26379  Eucalyptus camaldulensis Mark A. Elvin, Kim Marsden 2003-8-8 2979 Los Angeles Newhall Ranch, Santa Clara River, ca 100 m east of the Ventura Co. line Santa Clarita Valley 290 Comment
  UCR125614  Eucalyptus citriodora A. C. Sanders 2003-5-22 26813 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  SD197821  Eucalyptus grandis A. C. Sanders, T. B. Salvato 2009-5-19 36822 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines south of Montebello Boulevard and west of Plaza Drive, south of large shopping mall called Montebello Town Center. 110 Comment
  CDA20780  Eucalyptus sideroxylon M. O'Brien 2006-10-8 s.n. Los Angeles South of Mulholland Hwy.; the road from Stunt Rd. to the water tank, along the Backbone Trail. Comment
  UCR259678  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-13 12202 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  SEINET3149926  Eulobus californicus G. B. Grant 430 Los Angeles Pasadena Comment
  PASA693  Euphorbia albomarginata Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  UCR282012  Euphorbia albomarginata R. G. Swinney 2014-5-8 16460 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA498942  Euphorbia crenulata L. C. Wheeler 1931-7-21 s.n. Los Angeles Liveoak Canyon 457 Comment
  UCR66721  Euphorbia helioscopia L. C. Wheeler 1933-11-9 02239 Los Angeles 2 mi SE El Monte 76 Comment
  UCR97079  Euphorbia maculata Scott D. White 1996-8-31 4506 Los Angeles City of Claremont, Geneva Avenue, north of San Jose, south of Arrow Highway, west of Indian Hill, east of Towne. 323 Comment
  POM222388  Euphorbia peplus L. C. Wheeler 1936-6-30 4195 Los Angeles Wolfskill Canyon 533 Comment
  CDA33561  Euphorbia peplus Michael O Brien 2011-4-3 Los Angeles On the Pacific Coast Highway [CalTrans right-of-way] near El Pescador State Beach. 0 Comment
  RSA9710  Euphorbia peplus L. C. Wheeler 1932-2-20 447 Los Angeles Mandeville canyon, Santa Monica mtns. 137 Comment
  UC1241147  Euryops pectinatus Peter H. Raven 1959-3-18 13870 Los Angeles Arcadia Los Angeles State and County Arboretum, Arcadia Comment
  CATA912  Extriplex californica Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1755 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  IRVC26369  Festuca microstachys A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26053 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  RSA0091973  Festuca microstachys R. G. Swinney 2011-4-20 14451 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
  UCR259761  Festuca myuros R. G. Swinney 2010-5-11 12639 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
  UCR129373  Festuca myuros var. hirsuta Orlando Mistretta 1994-6-15 1357 Los Angeles San Gabriel Mtns, Santiago Canyon. Side drainage entering Santiago Canyon from the west, c. 3 mi south of confluence of Santiago Creek and Little Rock Creek 1585 Comment
  CATA859  Festuca perennis Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1668 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  LA35613  Festuca perennis A. K. Khudairi; 1951-5-13 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  RSA574267  Festuca trachyphylla Timothy S. Ross, Walter Appleby 1993-5-14 7145 Los Angeles 270m SW of May Canyon Saddle and 450 WNW of May Peak 1109 Comment
  UCR205700  Ficus carica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37029 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  CAS-BOT-BC500442  Ficus microcarpa R. E. Riefner, Jr. 2015-4-25 15 -127 Los Angeles City of Los Angeles, Lincoln Heights, S side of West Ave 26 at Interstate 10 bridge 109 Comment
  RSA654863  Filago californica A. C. Sanders, D. Malueg 1998-6-24 22068 Los Angeles San Gabriel Mnts.: E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Canyon Road, ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  UCR20357A  Filago californica Fordyce Grinnell Jr. 1921-4-3 15741 A Los Angeles San Gabriel Mtns, Pacoima Canyon, 'Santa Monica Mtns. 793 Comment
  UCR204885  Filago californica R. G. Swinney 2008-3-26 8564 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA533447  Filago californica Timothy S. Ross 1991-4-21 4537 Los Angeles Whittier Hills ( Puente Hills, pro parte) Middle Turnbull Canyon, ridgetop on N side, 1000 ft. NW of the old water tank. 280 Comment
  RSA562555  Filago gallica Steve Boyd, Orlando Mistetta 1993-5-11 8126 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon 488 Comment
  UCR205560  Filago gallica R. G. Swinney 2008-5-30 8885 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  SBBG125929  Forestiera pubescens A. Parikh, N. Gale 2010-5-27 3226 Los Angeles Sierra Pelona, 4.3 km W of State Hwy 14, 2 km SW of California Aqueduct; E Liebre Mtns 1060 Comment
  SBBG90427  Frankenia salina M. C. Hochberg 1985-4-7 1207 Los Angeles Little Springs Cyn 243 Comment
  RSA121929  Fraxinus dipetala G. T. Nordstrom 1935-3-24 407 Los Angeles 2.25 miles SE of mouth of Beartrap Canyon 701 Comment
  UC878069  Fraxinus dipetala Louis C. Wheeler 1932-6-18 835 Los Angeles n slope San Dimas Canyon; San Gabriel Mts. 426 Comment
  CAS-BOT-BC212385  Fremontodendron californicum Le Roy Abrams; E. A. McGregor 1908-7-2 615 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains Comment
  UCR124670  Fremontodendron californicum B. C. Templeton 1933-7-21 5016 Los Angeles San Gabriel Mountains, between Prairie Forks and Big Pines Camp 2092 Comment
  RSA367717  Fritillaria biflora E. Crow 1929-3-17 198 Los Angeles Glendora. Comment
  UCR220093  Fumaria capreolata Fred M. Roberts, Ian Cain 2010-5-3 7297 Los Angeles Los Angeles Basin, Whittier Narrows Dam Recreation Area, Hondo Creek, c. 08 km west southwest of Legg Lake and c. 0.5 km upstream from San Gabriel Blvd Bridge 61 Comment
  UCR219944  Galinsoga parviflora R. G. Swinney, Jane Strong 2009-4-21 10409 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
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May 3 2014
  UC1143114  Galium andrewsii subsp. intermedium A. D. Gifford 1935-4-10 557 Los Angeles 7 mi nw Redrock Mountain; Angeles National Forest, Tejon Quadrangle Comment
  CAS-BOT-BC223027  Galium angustifolium A. C. Sanders; Helen Kennedy 2005-4-13 29457 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA771837  Galium angustifolium R. G. Swinney 2009-5-28 10917 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SDSU9311  Galium angustifolium A. H. Gallup 1948-4-9 132 Los Angeles 'The Wash' Claremont. 366 Comment
  SEINET11171320  Galium angustifolium G. B. Grant 488 Los Angeles Pasadena, S. Cal. Comment
  POM367681  Galium angustifolium subsp. angustifolium Marie Jensen 1931-7-10 16035 Los Angeles Griffith Park. Comment
  RSA642709  Galium angustifolium subsp. angustifolium Orlando Mistretta 1992-7-13 695 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA597403  Galium angustifolium subsp. gabrielense Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3771 Los Angeles Vicinity of Crystal Lake. 1677 Comment
  SBBG13298  Galium aparine M. A. Piehl 1962-6-9 62346 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  RSA658528  Galium aparine Diane Elliott 1985-5-10 34 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  SDSU9318  Galium aparine Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, San Gabriel Mtns. About 1.5 miles up canyon from base of Chantry Flats Trail. Comment
  UC774538  Galium catalinense Carl B. Wolf 1941-6-24 10887 Los Angeles nw side Isthmus Harbor; Santa Catalina Island 30 Comment
  SD249282  Galium catalinense subsp. acrispum Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2208 Los Angeles San Clemente Island, sout side of Eagle Canyon 351 Comment
  POM367803  Galium catalinense subsp. catalinense F. R. Fosberg 1931-5-21 S- 4960 Los Angeles Fourth of July Canyon, Santa Catalina Island. Comment
  SBBG132207  Galium catalinense subsp. catalinense S. A. Junak 1978-4-15 SCa 014 Los Angeles N side of Cherry Cove, near Lion's Head Point Comment
  RSA678816  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1292 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.8 miles from trailhead out of Chantry Flat area. 838 Comment
  RSA678820  Galium grande Valerie L. Soza, Monica Acosta 2001-6-19 1296 -a Los Angeles Mt. Wilson Trail helispot, west side Little Santa Anita Canyon, ca. 2 miles from the Mt. Wilson trailhead in Sierra Madre. 823 Comment
  JEPS21682  Galium jepsonii Rimo Bacigalupi with Reino Alava 1958-7-20 6422 Los Angeles about 1 mi w Cedar Spring (upper slopes of Little Rock Creek Canyon, near base of n-facing side of Kratka Ridge); San Gabriel Mountains, Angeles National Forest, Little Rock 2072 Comment
  RSA640504  Galium jepsonii Louis C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  OBI69289  Galium nuttallii subsp. insulare John Knapp, Denise Knapp 2003-5-11 40 Los Angeles Catalina Island 198 Comment
  LA200804  Galium nuttallii subsp. nuttallii Jonathan Sauer; 1971-5-21 4925 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  JEPS24236  Galium porrigens var. porrigens Peter H. Raven 1959-4-4 13951 Los Angeles just e Zuma Beach; Santa Monica Mountains, Point Dume 15 Comment
  RSA0021847  Galium trifidum subsp. columbianum Louis C. Wheeler 1933-10-20 2182 Los Angeles San Gabriel River. 70 Comment
  UCR143048  Galvezia speciosa Reid Moran 1941-2-23 602 Los Angeles Channel Islands, Santa Catalina Island, northwest of Johnson's Valley 10 Comment
  UCR68908  Galvezia speciosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4196 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  SBBG132304  Gambelia speciosa S. A. Junak 1995-1-5 SCI- 244 Los Angeles N of Pyramid Head light station, just S of "U18-2" marker 85 Comment
  UCR110906  Gamochaeta pensylvanica A. C. Sanders, D. Malueg 1998-6-22 22016 Los Angeles San Gabriel Mtns., W of Rosemead Blvd., Burton Ave. at Longden Ave., under SCE powerlines 146 Comment
  RSA517154  Garrya flavescens Tim S. Ross 1990-10-9 3251 Los Angeles San Gabriel Mtns: Mill Creek Drainage, Tujunga Ranger Distric, Angeles National Forest. 1460 Comment
  UC1122663  Garrya flavescens A. Lewis Feb 1934 296 Los Angeles Gold Creek; Angeles National Forest 1036 Comment
  UCR190011  Garrya veatchii R. G. Swinney 1998-7-30 6598 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCSB41783  Garrya veatchii Dressler, Robert 1949-3-5 Los Angeles San Gabriel Mts.; 5 mi No. of Angeles Crest Guard Station Comment
  RSA151250  Gastridium phleoides P. H. Raven 1962-7-10 17969 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island Comment
  SEINET10491748  Gayophytum diffusum Thorne 1969-7-10 THORNE 38392 Los Angeles San gabriel mts., Angeles national forest; dry, sunny slope at mescal creek play area. 2027 Comment
  UCR147290  Gayophytum diffusum subsp. parviflorum Orlando Mistretta, Peter L. Morrell 1992-6-4 504 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  UCR50064  Gayophytum diffusum subsp. parviflorum David Charlton 1986-6-15 226 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
  UCR114180  Gayophytum oligospermum A. C. Sanders, D. Malueg 1998-6-24 22086 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  CDA18911  Genista linifolia D. Woods May 2000 s.n. Los Angeles Catalina Island; Catalina Island. 0 Comment
  RSA127944  Geranium carolinianum H. J. Thompson 1959-4-19 1955 Los Angeles Mulholland Highway, 1 miles W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  SBBG118148  Geranium carolinianum F. R. Fosberg 1931-3-20 4319 Los Angeles Hamilton Cyn 40 Comment
  RSA0110537  Gilia R. G. Swinney 2010-6-1 13138 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  CATA174  Gilia angelensis Mark L. Hoefs, A. Douglas Propst 1973-4-6 139 Los Angeles Santa Catalina Island: Middle of Cape Canyon, southeast exposure 304 Comment
  SFV21730  Gilia angelensis A. Dittmer 2005-1-26 81 Los Angeles Santa Monica Mountains Red Rock Canyon, about 0.25 miles from main parking inside eastern entrance of park. 350 Comment
  RSA470108  Gilia angelensis Geo L. Moxley 1914-2-23 s.n. Los Angeles Hills near Highland Park, Los Angeles. Comment
  SDSU3068  Gilia angelensis R. M. Beauchamp 1967-3-20 378 Los Angeles On slope above Abalone Point, south of Avalon. San Clemente Island. Comment
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May 16 2008
  UCR108183  Gilia capitata subsp. abrotanifolia L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mtns., N of Mill Canyon off Soledad Canyon, near Ravenna 716 Comment
  RSA470248  Gilia capitata subsp. abrotanifolia Christopher Davidson 1973-3-26 1737 Los Angeles Escondido Canyon Rd, ca. 1 mi NE of jct with Agua Dulce Rd. 762 Comment
  RSA470251  Gilia capitata subsp. abrotanifolia Ora M. Clark 1929-3-29 1799 Los Angeles East of Sandberg. Comment
  CAS-BOT-BC226315  Gilia latiflora subsp. davyi Timothy S. Ross; Steve Boyd 1994-5-25 7882 Los Angeles Liebre Mountains. West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  RSA799685  Gilia latiflora subsp. davyi Pam De Vries 2013-4-3 7834 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 1.0 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1042 Comment
  UCR260083  Gilia latiflora subsp. davyi Mitch Provance, Callen Huff 2009-4-29 10704 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile NE of Gorman; site PO1087 1390 Comment
  CAS-BOT-BC226399  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2970 Los Angeles Soledad Pass, four miles south of Vincent (Mint Canyon Highway) Comment
  UC52362  Gilia latiflora subsp. latiflora H. M. Hall 1902-5-3 3045 Los Angeles Rock Creek Antelope Valley, Rock Creek Comment
  RSA747679  Gilia leptantha subsp. transversa R. G. Swinney 2005-5-14 8240 Los Angeles NE of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  UCR227607  Gilia leptantha subsp. transversa Orlando Mistretta, Christine Mistretta 2010-6-1 5230 Los Angeles San Gabriel Mountains, Mill Creek Canyon along Southern California Edison transmission line corridor, c. 1.0 air mi south of Mill Creek Summit, near spur road to Falcon Mine 1280 Comment
  SBBG42080  Gilia minor J. P. Broughton, K. K. Muller 1971-4-2 1352 Los Angeles between Palmdale and Lancaster Comment
  RSA757198  Gilia minor Orlando Mistretta, Christine Mistretta 2008-4-8 2387 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  RSA526147  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-6 4141 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  HSC80285  Gilia ochroleuca subsp. bizonata R. F. Thorne 1973-5-11 43561 Los Angeles San Gabriel Mtns., along Mt. Emma Rd., 1.9 mi. W of Little Rock Creek below the dam 1159 Comment
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May 30 2016
  UC908547  Gilia ochroleuca subsp. bizonata Frank W. Peirson 1919-5-10 268 Los Angeles Arraster Creek San Gabriel Mts., Arraster Creek 914 Comment
  UCR193162  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-7-14 6437 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
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May 3 2012
  RSA0016248  Gilia ochroleuca subsp. bizonata R. F. Thorne 1973-5-11 43561 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  RSA0017177  Gilia ochroleuca subsp. vivida Fordyce Grinnell Jr. 1911-06 s.n. Los Angeles Mount Wilson. Comment
  JEPS69712  Gilia splendens subsp. splendens Frank W. Peirson 1921-7-3 2485 Los Angeles trail ne Rock Creek divide; San Gabriel Mountains, ne of Rock Creek divide 2133 Comment
  UCD132398  Glyptopleura marginata Geoffrey Levin 1975-5-17 506 Los Angeles 1.5 mi. east on State 138 from junction with State 18 near Pinyon Hills. Drainage Area: Mohave River. 1158 Comment
  CAS-BOT-BC303879  Gnaphalium John I. Carlson 1918-5-10 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  SEINET11849334  Gnaphalium beneolens J. F. Bright, Wyman, C. 1931-1 5714 Los Angeles Hollywood Comment
  RSA0036802  Gnaphalium californicum Louis Van Velzen 1987-5-19 87 -16 Los Angeles Walnut Creek Co. Pk., west of San Dimas, on trail between Scarborough St. and 210 Fwy. Comment
  IRVC26843  Gnaphalium luteo-album S. D. White 1997-11-5 6018 Los Angeles Mouth of Trancas Canyon, N of Pacific Coast Hwy (= CA Hwy 1) Malibu Coast 0 Comment
  POM358867  Gnaphalium microcephalum Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  POM358891  Gnaphalium microcephalum Ora M. Clark 1929-3-24 1776 Los Angeles Santa Susanna Mts. Comment
  UCR172446  Gnaphalium stramineum Anuja Parikh, Nathan Gale 2005-7-8 2131 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills between Potrero Canyon and Long Canyon, study area 25 412 Comment
  RSA487210  Goodmania luteola James L. Reveal 1988-5-17 6799 Los Angeles Antelope Valley, along G street at 40th street, in a field northwest of this junction and the bike path of Apollo Park, about 5 air miles northwest of Lancaster 732 Comment
  OBI28055  Greeneocharis circumscissa David J. Keil, Dirk Walters 1977-4-30 12290 Los Angeles On S side of Calif rte 138 in vicinity of jctn with Los Angeles Co Rd N-2 across hwy from Quail Reservoir Comment
  POM359072  Grindelia camporum George R. Johnstone 1931-10-24 14031 Los Angeles Santa Susanna Mts. 915 Comment
  POM359089  Grindelia robusta Robert Gustafson 1980-8-29 1866 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA608876  Guillenia lasiophylla L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  CHSC62037  Gutierrezia californica L. P. Janeway 1993-10-5 4610 Los Angeles Puente Hills; at the head of Arroyo San Miguel. On dirt road and drilling pad. 228 Comment
  RSA725861  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  RSA41026  Gutierrezia sarothrae H. E. Hasse 1890-09 s.n. Los Angeles Santa Monica Mountains, Foothills. Comment
  UC1118611  Gutierrezia sarothrae G. T. Nordstrom 1935-1-8 306 Los Angeles 4 mi e of Bear Mtn; Tejon Quadrangle 944 Comment
  IRVC28719  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-26 25582 Los Angeles Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle Western Transverse Range/Santa Clara River Watershed 335 Comment
  CAS-BOT-BC307281  Hazardia squarrosa var. grindelioides Fordyce Grinnell, Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena, San Gabriel Mts. Comment
  UCR190081  Helenium bigelovii R. G. Swinney 1998-8-5 6635 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
  UCR194578  Helenium bigelovii R. G. Swinney 1998-7-29 6537 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  RSA773832  Helenium puberulum R. G. Swinney 2009-6-12 11115 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  RSA775594  Helianthemum scoparium Orlando Mistretta, Christine Mistretta 2010-6-23 5346 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  UCR204893  Helianthemum scoparium R. G. Swinney 2008-4-1 8598 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  RSA441787  Helianthemum scoparium var. vulgare George B. Grant 1903-1 546 Los Angeles Dry sunny places, Pasadena Comment
  UC1595206  Helianthus gracilentus Tim Ross and Peter Fritsch 1990-6-20 3659 Los Angeles ridgetop between W Fk San Gabriel River and Roberts Canyon (Rincon-Red Box Rd. (2N24)); San Gabriel Mountains 1255 Comment
  UC75965  Helianthus nuttallii subsp. parishii unknown Aug 1901 549 Los Angeles Los Angeles Comment
  UC1010488  Heliotropium amplexicaule P. A. Munz 1954-9-5 20183 Los Angeles 3 mi. n. Claremont (vacant lots at Padua Hills); Padua Hills 487 Comment
  UCR55334  Heliotropium curassavicum S. J. Myers 1988-9-30 s.n. Los Angeles Western Mojave Desert, Palmdale area, north of Elizabeth Lake Road, near the intersection with 25th St. West 841 Comment
  UCSB5612  Heliotropium curassavicum Ralph, F. 1959-7-18 Los Angeles on U.S. 99; about 6.4 miles south of its jct. with Calif. 138 762 Comment
  LA32229  Heliotropium curassavicum var. oculatum Peter H. Raven; Henry J. Thompson 1959-9-6 14400 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  UC32396  Hemizonella minima unknown 1896-5-25 Los Angeles Wilson's Peak Comment
  RSA526154  Hemizonia clementina Steve Boyd 1990-4-6 4148 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  UCR116940  Hemizonia fasciculata A. C. Sanders, D. Malueg 2001-5-17 24342 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
  UCR143397  Hemizonia fasciculata F. R. Fosberg 1931-5-21 S- 4930 Los Angeles Channel Islands, Santa Catalina Island, Parson's Landing 20 Comment
  POM360265  Hemizonia fasciculata F. R. Fosberg 1930-7-7 3171 Los Angeles Alamitos Bay 7 Comment
  CATA1455  Hesperocnide tenella Mark L. Hoefs, Robert F. Thorne 1996-4-6 2637 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  RSA187930A  Hesperocnide tenella Robert F. Thorne 1966-4-28 36216 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  CAS-BOT-BC143672  Heteromeles arbutifolia A. C. Sanders; T. B. Salvato 2009-5-19 36819 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA86824  Heteromeles arbutifolia F. W. Peirson 77 Los Angeles Sink at Inglewood. Comment
  UC484146  Heteromeles arbutifolia E. R. Johnson 1930-1-30 Los Angeles upper Avalon Canyon; Catalina Island Comment
  RSA0072476  Heteromeles arbutifolia Tim S. Ross 1991-5-21 5403 Los Angeles San Clemente Island. E fork of Box Canyon near junction with westerly fork. 451 Comment
  RSA0074533  Heterotheca fastigiata George B. Grant 1906-9-14 s.n. Los Angeles Pasadena. Comment
  RSA0074540  Heterotheca fastigiata L. C. Wheeler 1932-9-11 1372 Los Angeles Thompson Wash, 2 miles NE La Verne. 373 Comment
  CAS-BOT-BC318850  Heterotheca grandiflora Geo. B. Grant 1905-5-10 568 Los Angeles Pasadena Comment
  CAS-BOT-BC318865  Heterotheca grandiflora John H. Thomas 1957-2-14 6486 Los Angeles North of Eagle Rock about 3-4 miles east of Pasadena 304 Comment
  LA37426  Heterotheca grandiflora Elizabeth McClintock; 1943-9-10 sn Los Angeles Santa Monica Mountains, Westwood Blvd, UCLA campus Comment
  RSA0075640  Heterotheca grandiflora John P. Hill 1932-3-5 4983 Los Angeles Verdugo Woodlands. Comment
  UC1076517  Heterotheca sessiliflora subsp. fastigiata Frank W. Peirson 1922-9-26 Los Angeles at California Street Bridge Arroyo Seco Comment
  RSA0063084  Heuchera abramsii I. M. Johnston 1917-9-16 1728 Los Angeles San Antonio Mountains, West spur of Baldy. 2591 Comment
  UCR12254  Heuchera abramsii Art Whistler 1966-6-23 s.n. Los Angeles Hwy 2 past Mt. Wilson Rd. 2287 Comment
  UCSB42375  Heuchera caespitosa Taylor, A. 1980-5-10 Los Angeles S. side of Glendora Ridge Rd., 16 miles east of Glendora Mountain Rd. San Gabriel Mtns 1158 Comment
  RSA0062942  Heuchera elegans Wesley O. Griesel 1963-7-11 831 Los Angeles Little Jimmy Springs, San Gabriel Mountains. 2134 Comment
  CAS-BOT-BC123605  Heuchera rubescens var. abramsii LeRoy Abrams 1901-7-1 1924 Los Angeles Mt. San Antonio Comment
  UC57439  Hieracium argutum J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  CHSC98042  Hirschfeldia incana LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 692 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway .Area burned in Summer-Fall of 2002. 783 Comment
  SD215402  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles Liebre Mountains Region: 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. 914 Comment
  RSA449778  Holodiscus discolor Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  RSA584855  Holodiscus discolor Tim S. Ross 1993-6-1 7358 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. 774 Comment
  RSA449768  Holodiscus discolor Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles. Comment
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Sep 17 2014
  RSA202453  Hordeum depressum R. L. Armacost 1963-5-7 1618 Los Angeles Malibu to Old Topanga [Canyon]. Comment
  SBBG31222  Hordeum murinum R. F. Thorne 1966-4-4 35777 Los Angeles Blue Cavern Pt 30 Comment
  SD69505  Hordeum murinum subsp. leporinum Robert F. Thorne 1966-4-4 35777 Los Angeles Santa Catalina Island: Blue Cavern Point, NE of Isthmus Cove 29 Comment
  SBBG12191  Hordeum vulgare P. H. Raven 1962-4-11 17292 Los Angeles near airfield at N end of island 30 Comment
  SEINET11907287  Horkelia cuneata subsp. puberula E. A. Purer 1935-1 6592 Los Angeles Santa Monica Mountains, near junction of Malibou Lodge Road & Ventura Boulevard Comment
  RSA451547  Horkelia rydbergii L. E. Hoffman 1931-12-23 s.n. Los Angeles Chilao Flats, Angeles National Forest. 2134 Comment
  RSA761711  Horkelia rydbergii R. G. Swinney 2008-10-10 9545 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  LA211986  Hosackia oblongifolia var. oblongifolia Orlando Mistretta; 1990-7-2 4478 Los Angeles SAN GABRIEL MOUNTAINS, Bear Flat. 1746.0 Comment
  SBBG125058  Hulsea vestita subsp. gabrielensis A. Parikh, N. Gale 2010-6-18 3338 Los Angeles Upper Big Tujunga Cyn, 1.1 km N of St Hwy 2 (St Hwy 2, Angeles Crest Hwy), 0.3 km W of Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1222 Comment
  UCSB33633  Hypericum scouleri Miller, Brian 1960-7-21 Los Angeles Charltan Flats; San Gabriel Mountains 1981 Comment
  UCR273192  Hypochaeris glabra R. G. Swinney 2011-4-26 14474 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  JEPS64612  Isocoma acradenia var. acradenia Ernest C. Twisselmann 1970-9-8 17500 Los Angeles Avenue A at 50th Street West; Mojave Desert, Antelope Valley 731 Comment
  RSA704713  Isocoma menziesii Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2094 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  SBBG12514  Isocoma menziesii P. H. Raven 1962-7-11 18011 Los Angeles Wilson's (Wilson) Cove 60 Comment
  POM359499  Isocoma menziesii var. vernonioides E. S. Spalding 1923-2-7 s.n. Los Angeles Eagle Rock. Comment
  RSA654349  Isocoma menziesii var. vernonioides Valerie L. Soza, LeRoy Gross 2000-5-25 962 Los Angeles South Side; North of fire road between Ebey and Doane canyons, south of Goldenrod Spring, above Sunland. 548 Comment
  POM1382  Isolepis cernua I. M. Johnston 1917-6-14 1344 Los Angeles West of Pomona. Comment
  LA31662  Jaumea carnosa Peter H. Raven; Henry J. Thompson 1959-9-6 14363 Los Angeles Santa Monica Mountains, at mouth of Malibu Creek 1 Comment
  JEPS99426  Jepsonia malvifolia D. H. Wilken with E. Painter 1997-12-2 15394 Los Angeles n branch of Eagle Canyon, San Clemente Island 260 Comment
  RSA431147  Juglans californica Lyman Benson 1933-11-12 5734 Los Angeles Beverly Glen, Beverly Hills, Pacific Ocean Watershed. 244 Comment
  UCR102258  Juglans californica David Charlton 1989-4-30 2958 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  UCR282525  Juglans californica D. E. Bramlet 2011-5-10 4828 Los Angeles Puente Hills, 610 ft south of Powder Cyn., 368 ft. south of Fullerton Rd., 1,385 ft. west of N Harbor Blvd. 213 Comment
  RSA0011185  Juglans californica Robert F. Thorne, Everett 1965-5-11 34674 Los Angeles Near circle on summit road from Avalon to airport. Santa Catalina Island. 91 Comment
  LA200577  Juglans californica var. californica Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA595028  Juglans californica var. californica Steve Boyd, Lauren Raz 1996-10-8 8991 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  CHSC35498  Juglans regia James Henrickson 1979-5-18 18124 Los Angeles Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14; open weedy flats S of creek. 402 Comment
  RSA279126  Juncus acutus subsp. leopoldii Robert F. Thorne, D. Propst, Hoefs 1974-9-12 45107 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  POM1550  Juncus bufonius I. M. Johnston 1917-6-14 1347 Los Angeles West of Pomona. Comment
  SEINET3877999  Juncus covillei var. obtusatus Louis C. Wheeler 1954-9-1 7088 a Los Angeles San Gabriel Mountains: Little Rock Creek at Buckhorn.; 0 Comment
  RSA0025165  Juncus duranii Jane Tirrell 2012-6-19 LS 0077 Los Angeles North-facing hillside seep along California State Route 2 approximately 50 yards east of mile marker 67.7. 2306 Comment
  RSA0021956  Juncus macrophyllus Duncan S. Bell, Caitlin Elam 2013-6-24 5294 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA781817  Juncus macrophyllus R. G. Swinney 2009-7-23 11372 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG127067  Juncus macrophyllus A. Parikh, N. Gale 2011-6-13 3460 Los Angeles N of Aliso Cyn, just W of Angeles Forest Hwy, 1.2 km N of Aliso Cyn Rd; San Gabriel Mtns 1195 Comment
  RSA368131  Juncus mexicanus Robert Gustafson 1981-5-26 2232 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA764409  Juncus rugulosus Justin M. Wood 2009-8-18 1258 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA776391  Juncus tiehmii Orlando Mistretta, Christine Mistretta 2010-5-22 5188 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  RSA762499  Juncus xiphioides R. G. Swinney 2008-11-29 9850 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UC1595420  Juncus xiphioides Tim Ross 1992-7-10 6666 Los Angeles between Coldwater Canyon and Wickiup Canyon (San Gabriel Mts., Big Tujunga Creek); San Gabriel Mts., Big Tujunga Creek 967 Comment
  UCR4366  Juniperus californica Frank C. Vasek 1964-5-27 640527- 06 Los Angeles Western Mojave Desert, Antelope Valley, between Gorman & Lancaster Comment
  UCSB197  Juniperus californica Whitehouse, W. 1960-5-14 Los Angeles 11 miles west of Yucca Inn, Deerhaven drive and Highway 138 intersection Comment
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Sep 8 2014
  SEINET10531113  Juniperus virginiana var. silicicola David B. Dunn 1939-10-18 Dunn UMO 46525 Los Angeles Cultivated plant growing in Lafayette Park, Los Angeles, Calif. Comment
  LA209294  Keckiella breviflora Carl B. Wolf; 1936-5-27 7842 Los Angeles San Gabriel Mountains, Indian Canyon Camp, 2 mi off Soledad Canyon 914 Comment
  CAS-BOT-BC235738  Keckiella cordifolia F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canon [Canyon], San Gabriel Mountains Comment
  RSA401692  Keckiella cordifolia T. S. Clare 1929-7-4 s.n. Los Angeles Topanga Canyon. Comment
  RSA527789  Keckiella cordifolia Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4355 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  SBBG128439  Keckiella cordifolia M. L. Hoefs 1995-5-23 2077 Los Angeles lower Middle Ranch Cyn, near rd to Bullrush Cyn 115 Comment
  UC557824  Keckiella cordifolia Nell Murbarger Apr 1936 81 Los Angeles canyon e side San Clemente Island Comment
  UCR19774  Keckiella cordifolia Art Whistler 1966-6-20 s.n. Los Angeles Cold Canyon Rd. en route to Malibu from the Mulholland Hwy Comment
  UCR258807  Keckiella cordifolia R. G. Swinney 2010-5-25 12980 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
  RSA293285  Keckiella ternata subsp. septentrionalis D. C. Michener 1980-6-30 3692 Los Angeles San Gabriel Mountais, Indian Canyon: ca. 2 miles south of junction with old CA 14. 900 Comment
  RSA522463  Keckiella ternata subsp. ternata Tim S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4041 Los Angeles San Gabriel Mountains: NNE of Tie Summit Station and E of Angeles National Forest. 1567 Comment
  RSA550394  Keckiella ternata subsp. ternata Tim S. Ross 1992-7-10 6683 -B Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater and Wickiup Canyons; N and NE slope above stream. 975 Comment
  RSA239429  Krascheninnikovia lanata C. W. Tilforth, John Dourley 1973-5-24 827 Los Angeles Bob's Gap Comment
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Dec 14 2011
  SBBG19131  Lamarckia aurea M. A. Piehl 1963-12-7 631077 Los Angeles across SE tip of Pyramid Head E of Triangulation Pt "Rock" 12 Comment
  SBBG20519  Lamarckia aurea E. R. Blakley 1963-12-7 6358 Los Angeles old Rd on beach bluff, E end of Pyramid Cove 7 Comment
  SEINET10598999  Lamarckia aurea Roland McKee 1920-5-12 McKee s.n. Los Angeles Los Angeles Comment
  POM3994  Lamium amplexicaule I. M. Johnston 1918-8-4 2133 Los Angeles Claremont. Comment
  UC284793  Lamium amplexicaule I. M. Johnston 1918-8-4 2113 Los Angeles Claremont 365 Comment
  RSA605814  Lamium amplexicaule Louis C. Wheeler 1966-10-27 9092 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  RSA0004830  Langloisia flaviflora Anstruther Davidson 1922-5-28 3506 Los Angeles Willow Springs. Comment
  RSA609289  Lasthenia californica L. C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 411 Comment
  UC53907  Lasthenia coronaria Ernest Braunton 1902-4-1 254 Los Angeles north Pomona Comment
  CAS-BOT-BC352718  Lasthenia coronaria A. Davidson 1892-5-1 s.n. Los Angeles Devil's Gate, Pasadena Comment
  CAS-BOT-BC354220  Lasthenia coronaria Lilian Wheeler 1895-3-16 s.n. Los Angeles Claremont Comment
  SBBG13346  Lasthenia gracilis E. R. Blakley 1962-6-9 5178 Los Angeles Triangulation Pt Thirst 598 Comment
  SBBG61620  Lasthenia gracilis J. R. and R. C. Robbins 1930-3-29 Los Angeles Antelope Valley Comment
  UC1118943  Lasthenia gracilis A. D. Gifford 1935-4-12 553 Los Angeles 2 mi w Manzana; Tejon Quadrangle Comment
  UCR274117  Lathyrus Steven A. Junak 2000-4-15 SCa- 1195 Los Angeles California Islands, Santa Catalina Island, upper Avalon Canyon, along east Summit Road, c. 0.1 mile inland from gate at Wrigley Memorial 305 Comment
  CAS-BOT-BC204906  Lathyrus David Dreyer 1968-3-23 s.n. Los Angeles San Gabriel River canyon above Morris Dam, small side canyon to the west Comment
  SEINET956182  Lathyrus strictus Rea Raymond 1961-1 41 Los Angeles Little Jajunge Canyon. Angeles National Forest. Comment
  CHSC856  Lathyrus vestitus E. Thomas 1940-4-6 Los Angeles Spreading grounds for San Antonio river. Comment
  SFV1828  Lathyrus vestitus C. Gasser 1956-3-9 s. n. Los Angeles Santa Monica Mountains Roadside on Malibu Canyon Road, 3 miles from Highway 101. 210 Comment
  RSA0106492  Lathyrus vestitus subsp. vestitus R. G. Swinney 2011-3-18 14157 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  UC557810  Lathyrus vestitus var. vestitus Nell Murbarger 1936-3-1 32 Los Angeles e side San Clemente Island Comment
  UC557733  Lavatera assurgentiflora subsp. glabra Nell Murbarger May 1936 208 Los Angeles norther end San Clemente Island (San Clemente Island, West Cove); northern end San Clemente Island, West Cove Comment
  UCR221443  Lavatera cretica D. E. Bramlet, Mike Ahmer 2005-4-12 3790 Los Angeles Los Angeles Basin Region, Puente Hills, Powder Canyon, just east of main dirt access road, c. 1900 ft. east of Skyline Dr. and 3300 ft. north of Fullerton Rd. 250 Comment
  CHSC95915  Layia glandulosa LeRoy Gross 2005-5-3 2227 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  UCR270052  Layia glandulosa R. G. Swinney 2011-4-20 14429 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
  RSA602638  Layia glandulosa B. Pitzer 1996-4-20 2687 Los Angeles Western Mojave Desert Antelope Valley, north side of Hwy 138 (Ave. D), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14). 915 Comment
  RSA709958  Layia glandulosa LeRoy Gross 2005-4-28 2181 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  CAS-BOT-BC380224  Layia platyglossa Le Roy Abrams; I. L. Wiggins 1931-7-6 376 Los Angeles Mosquito Harbor, San Clemente Island Comment
  RSA177835  Layia platyglossa subsp. campestris R. F. Thorne 1965-5-11 34549 Los Angeles Along road to Rancho Escondito above Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  POM305363  Layia platyglossa subsp. campestris Henry J. Ramsey, Henry J. Ramsey 1938-3-23 655 Los Angeles Los Angeles Comment
  POM361675  Layia platyglossa subsp. campestris Anstruther Davidson 1890-3-30 s.n. Los Angeles Foot hills L.A. Comment
  RSA251395  Layia platyglossa subsp. campestris R. F. Thorne 1966-4-15 35996 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove). 76 Comment
  RSA344532  Layia platyglossa subsp. campestris F. C. Boutin 1967-4-23 1670 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site 305 Comment
  NY42991  Lepechinia fragrans J. B. Walker 1995-4-8 1333 Los Angeles Santa Catalina Island, 1.5km S of Black Jack Mountain, along paved road 100 Comment
  SBBG121654  Lepechinia rossii L. Gross, V. Arvizu, B. Hogshead 2005-5-24 2311 Los Angeles Ruby Clearwater Truck Trail, S of Ruby Cyn, N of Red Mtn; Liebre Mtns 788 Comment
  CAS-BOT-BC88915  Lepidium densiflorum var. densiflorum Geo. B. Grant 1898-2-12 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC89304  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  SEINET7062863  Lepidium flavum var. flavum A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on the Pearblossom Highway near the California Aqueduct. UTM Zone 11, 410587mE, 3820401mN. (WGS84/NAD83). 887 Comment
  SD253418  Lepidium fremontii R. G. Swinney 2011-4-1 14302 B Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon , 0.4 mile south of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 890 Comment
  UC673528  Lepidium fremontii H. L. Mason 1926-4-27 3056 Los Angeles 30 mi w Victorville; Mohave Desert Comment
  SBBG131941  Lepidium latipes S. A. Junak 2000-5-19 SCa 1309 Los Angeles rd on SE side of Echo Lake 390 Comment
  RSA527719  Lepidium nitidum Timothy S. Ross, Annette Ross 1991-3-7 4142 Los Angeles Elephant Hill, western Pomona. 230 Comment
  SBBG14241  Lepidium oblongum M. A. Piehl 1962-6-9 62364 Los Angeles Thirst 597 Comment
  CAS-BOT-BC12868  Lepidium pinnatifidum Peter H. Raven 1959-6-15 14358 Los Angeles Santa Monica Mountains. University of California, west Los Angeles. 121 Comment
  UCD115863  Lepidium pinnatifidum J. C. Roos 1956-6-15 s.n. Los Angeles Santa Monica Blvd. along railroad tracks between Westwood and Beverly Glen Blvds. Comment
  SBBG127977  Lepidium strictum M. L. Hoefs, S. A. Junak 1996-5-1 2687 Los Angeles Haypress Reservoir, at cmpgrd 384 Comment
  RSA723076  Lepidium strictum LeRoy Gross 2007-5-13 s.n. Los Angeles Big Tujunga Wash. Below the mouth of the canyon that flows out of the San Gabariel Mountains. West of the dead end street called Grove Street. West of Oro Vista Av. which turns into Big Tujunja Canyon Road. City of Sunland. 387 Comment
  SEINET13711390  Lepidium virginicum J. Adams, J. Adams (Botany) 1965-1 82 A Los Angeles Claremont, N End Indian Hill Blvd, Thompson's Wash 1400 Ft 427 Comment
  SEINET5342065  Lepidium virginicum H. M. Hall s.n. Los Angeles Near Los Angeles. Comment
  UCR144091  Lepidium virginicum var. pubescens Scott D. White 1998-6-10 6716 Los Angeles San Gabriel Mtns, San Antonio Canyon, c. 1.5 air mi N of San Antonio Dam/Shinn Road (=Mountain Ave) Bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station 777 Comment
  HSC5929  Lepidospartum squamatum W. H. Kinch 1954-9-30 14 Los Angeles Padua Ave. N Claremont, San Antonio Wash. 335 Comment
  UC53936  Lepidospartum squamatum Ernest Braunton 1902-9-1 695 Los Angeles Arroyo Seco Comment
  RSA469961  Leptosiphon aureus subsp. aureus Ralph Hoffmann 1931-5-3 s.n. Los Angeles Bouquet Canyon. Comment
  RSA334159  Leptosiphon breviculus R. F. Thorne, M. Z. Thorne 1969-7-9 38555 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  RSA775125  Leptosiphon breviculus Orlando Mistretta, Christine Mistretta 2010-6-7 5277 Los Angeles Mill Creek Canyon; vicinity of Iron Mountain, along Southern California Edison transmission line corridor. 1361 Comment
  SD65479  Leptosiphon breviculus Reid Moran 1967-7-22 14093 Los Angeles Canyon south of Chilao, San Gabriel Mountains. 1550 Comment
  POM175377  Leptosiphon breviculus West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles San Gabriel Canyon: above Pine Flats North Fork. Comment
  SD52894  Leptosiphon pygmaeus subsp. pygmaeus Peter H. Raven 1962-5-9 17692 Los Angeles San Clemente Island. In grassland at head of canyon just north of Gray. 487 Comment
  UCR45034  Leptospermum laevigatum A. C. Sanders 1986-7-30 6806 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
  RSA0077370  Leptosyne bigelovii Orlando Mistretta, Christine Mistretta 2005-4-21 2069 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  CATA682  Leptosyne gigantea Mark L. Hoefs 1991-4-26 1173 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  UCR179707  Lessingia filaginifolia R. G. Swinney, Dave Larson 1996-7-17 5121 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  LA30870  Lessingia filaginifolia var. filaginifolia Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 155 Los Angeles Santa Monica Mountains, Point Dume Comment
  SJSU13581  Lessingia glandulifera C. W. Sharsmith 1943-9-10 4584 Los Angeles near Llano, W Mojave Desert Comment
  RSA0042669  Lessingia glandulifera var. glandulifera S. Kaatmann 1998-10 12 Los Angeles Pitzer College Arboretum. The interior of the Outback, near the path closest to the western boundary. 350 Comment
  RSA600211  Lessingia glandulifera var. peirsonii Steve Boyd, Lauren Raz 1997-5-28 9897 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA65446A  Lewisia rediviva F. W. Peirson 1905-7-14 37 Los Angeles South of summit of Mt. San Antonio, San Gabriel Mountains Comment
  CAS-BOT-BC283774  Leymus cinereus A. D. E. Elmer 1902-6-1 3662 Los Angeles Lancaster Comment
  POM365317  Leymus condensatus Edith A. Purer, Freda Detmers 1931-8-20 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA656673  Lilium humboldtii subsp. ocellatum G. Pitto 1980-6-8 50 Los Angeles At base of trail, south end of Hinderberg Park [Crescenta Valley Park] bottom of Dunsmore Ave. La Crescenta. 518 Comment
  UCR177445  Linanthus aureus subsp. aureus LeRoy Gross 2005-5-19 2275 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
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Feb 14 2017
  UC557682  Linanthus bicolor Nell Murbarger Mar 1936 21 Los Angeles Mesa summit, and e side of San Clemente Island San Clemente Island Comment
  UC908803  Linanthus bigelovii Herbert L. Mason 1932-4-1 6860 Los Angeles 1 mi e Lancaster; Mohave Desert Comment
  UCR189742  Linanthus breviculus R. G. Swinney 1998-7-10 6385 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA468437  Linanthus californicus Martha Hilend 1929-5-14 s.n. Los Angeles Mt. Lowe. Comment
  RSA652617  Linanthus californicus P. A. Hall 1948-4-17 1 Los Angeles Found about 3 1/2 miles from Glendora up the Glendora Mt. Road. 548 Comment
  RSA654197  Linanthus californicus Kelly Middleton, David Middleton 1988-5-8 1 Los Angeles Glendora Ridge Road, 4.4 miles north of Glendora Mountain road and Sierra Madre Blvd. in Glendora 1220 Comment
  RSA0095266  Linanthus californicus subsp. glandulosus B. C. Templeton, Ira W. Clokey 1936-5-18 5661 Los Angeles San Gabriel Canyon. 366 Comment
  UC1929525  Linanthus concinnus Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1673 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. Comment
  UC23496  Linanthus dianthiflorus Harley P. Chandler 1897-4-7 Los Angeles Claremont 701 Comment
  RSA596920  Linanthus dichotomus T. S. Ross, J. Mark Porter 1995-5-4 8523 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SBBG126947  Linanthus dichotomus A. Parikh, N. Gale 2011-6-11 3453 Los Angeles N of Aliso Cyn, 0.1 km W of Angeles Forest Hwy, 1.2 km N of Aliso Cyn Rd; San Gabriel Mtns [ subsp. pattersonii ] 1201 Comment
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Jul 7 2015
  UCR149354  Linanthus dichotomus R. G. Swinney 1998-4-14 5998 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  RSA0030713  Linanthus parryae Pam De Vries 2014-3-25 7871 Los Angeles Mojave Desert (West); Near the town of Antelope Acres in an open field on the west side of 90th St, one mile south of Hwy 138. 735 Comment
  UC908615  Linanthus parviflorus Margaret Stason 1927-5-14 Los Angeles Big Pines San Gabriel Mts. Comment
  UC1563058  Linanthus parviflorus Steve Boyd and Orlando Mistretta 1986-3-31 1561 Los Angeles 4 mi e Highway 138 jct. with Highway 18, ne of Pinyon Hills (Highway 138); Mojave Desert Comment
  RSA468214  Lithophragma affine subsp. mixtum Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon. 350 Comment
  RSA84371  Lithophragma affine subsp. mixtum F. W. Peirson s.n. Los Angeles Nichols Canyon. Comment
  SBBG129324  Lithophragma bolanderi A. Parikh, N. Gale 2012-5-2 3576 Los Angeles W Fork San Gabriel River, 0.8 km E of Cogswell Dam 650 Comment
  UCR71304  Lithophragma maximum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4318 Los Angeles Channel Islands, San Clemente Island: E side of island near Malo Point, second canyon south of Bryce Canyon Comment
  UCR126677  Lobularia maritima A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26217 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  UCR270990  Lobularia maritima R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14333 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  RSA660839  Lobularia maritima Ann Williams 1992-5-14 8 -92 Los Angeles End of Canyon Dr., 0.2 mi. off Penn St. and 100 yds E of Whittier College track. 152 Comment
  SBBG106259  Lobularia maritima S. A. Junak with M. C. Hochberg, H. Ferguson 1981-7-28 SCl 17 Los Angeles around buildings at old airfield, on W side of main rd 252 Comment
  SEINET10481377  Lobularia maritima David B. Dunn 1947-7-20 Dunn 2987 Los Angeles Collected at 316 n. Ave. Comment
  SBBG12123  Loeseliastrum matthewsii E. R. Blakley 1958-5-17 2377 Los Angeles where Rock Crk crosses Pearblossom to Victorville Rd 1005 Comment
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Mar 30 2015
  CAS-BOT-BC342198  Logfia filaginoides Ernest Braunton 1903-3-1 854 Los Angeles Playa del Rey Comment
  SBBG98054  Logfia filaginoides T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5216 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  SFV16510  Logfia filaginoides K. Tajbakhsh 1996-5-2 21 Los Angeles San Fernando Valley Chatsworth. Rocky Point Park about 300 m on the main trail on a west facing slope. Comment
  RSA150937  Lolium perenne P. H. Raven 1962-5-8 17617 Los Angeles Wilson Cove, barracks area; San Clemente Island 91 Comment
  UC1595309  Lolium perenne Tim Ross and Steve Boyd 1990-6-18 3492 Los Angeles northerly draw draining to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mtns., Mescal Creek Quad, Camp Verdugo Pines 1877 Comment
  RSA601625  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-6-16 9861 Los Angeles San Gabriel Mountains : North side of Sunset Ridge under power line. 594 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
  UCR216865  Lolium perenne subsp. multiflorum R. G. Swinney 2009-3-12 10098 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  SBBG59390  Lolium temulentum R. Hoffmann 1930-4-29 Los Angeles 3 mi N of Saugus Comment
  SEINET12118775  Lomatium caruifolium Unknown 1936-1 12723 Los Angeles Santa Monica Mts., Mt. Malabu Comment
  CDA38384  Lomatium dasycarpum W. E. Henson 1929-6-9 s.n. Los Angeles Ridge Route. 0 Comment
  JEPS17030  Lomatium mohavense Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  UCR277121  Lomatium mohavense R. G. Swinney 2010-5-21 12856 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
  RSA771765  Lomatium mohavense subsp. longilobum R. G. Swinney 2009-5-20 10809 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  SBBG59785  Lomatium nevadense R. Hoffmann 1930-4-10 Los Angeles between Lancaster and Del Sur, near highway Comment
  IRVC26425  Lomatium utriculatum A. C. Sanders, Mark Elvin, K. Rindlaub 2003-3-5 25705 Los Angeles Newhall Ranch, near entrance to Magic Mountain Amusement Park, north of magin Mtn. Parkway and west of I-5 NE end of Santa Susana Mtns. 335 Comment
  RSA702565  Lomatium vaginatum Scott D. White 2004-5-5 10290 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  POM243773  Lonicera hispidula var. vacillans F. R. Fosberg 1931-5-12 S- 4851 Los Angeles Hay Press, Santa Catalina Island. 350 Comment
  SBBG69577  Lonicera interrupta R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  POM199700  Lonicera subspicata var. denudata I. W. Clokey 1929-06 4554 Los Angeles Mandeville Canyon, Santa Monica Moutains. 300 Comment
  RSA0022515  Lonicera subspicata var. denudata Duncan S. Bell, Caitlin Elam 2013-6-24 5235 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  POM18426  Lotus argophyllus subsp. ornithopus P. A. Munz 1923-4-8 6611 Los Angeles San Clemente Island. Comment
  RSA729718  Lotus crassifolius var. crassifolius R. G. Swinney 1999-6-18 7337 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  UC1871217  Lotus hamatus T. S. Ross 1993-4-21 6834 Los Angeles Channel Islands; Santa Catalina Island; Santa Catalina Island: SW part of the island along major E-W ridge between Carlos and Cactus Peak; 500-1200 ft NNE to NE of Quartz 397 Comment
  PASA1099  Lotus micranthus Frank W. Peirson 1919-5-18 436 Los Angeles Monrovia Canyon, San Gabriel Mts. 426 Comment
  RSA771560  Lotus nevadensis R. G. Swinney 2009-5-28 10943 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR271197  Lotus nevadensis R. G. Swinney 2011-6-6 14998 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UC169100  Lotus nevadensis var. davidsonii Geo. B. Grant 1906-6-16 713 -6697 Los Angeles Mt. Wilson 1524 Comment
  RSA719588  Lotus oblongifolius var. oblongifolius R. G. Swinney 1997-7-16 5671 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  POM175359  Lotus oblongifolius var. oblongifolius E. Crow 1930-6-29 s.n. Los Angeles near camp coldbrook Comment
  UC69140  Lotus procumbens var. procumbens H. M. Hall Jun 1905 6264 Los Angeles Tejon Pass 1280 Comment
  RSA782807  Lotus purshianus A. C. Sanders, Dan S. Cooper 2010-8-5 38536 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  POM243727  Lotus salsuginosus F. R. Fosberg 1931-3-31 S- 4422 Los Angeles Avalon, Santa Catalina Island. 5 Comment
  RSA680541  Lotus salsuginosus Scott D. White, Michael Honer 2003-6-23 9577 Los Angeles Newhall Area: South Fork, Santa Clarita Riv. between Lyons Ave. and Magic Mountain Parkway. 351 Comment
  RSA0080396  Lotus salsuginosus var. salsuginosus R. G. Swinney 2010-3-24 12050 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR78089  Lotus salsuginosus var. salsuginosus David Charlton 1991-7-5 5502 Los Angeles San Gabriel Mtns., Lake Hughes Road, south of Castaic Lake, l mi. [NE] of Visitor Center 400 Comment
  HSC98260  Lotus scoparius C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA0035193  Lotus scoparius James S. Burns 1992-5-11 16 Los Angeles 1.5 miles west on Rincon fire road from east access, Angeles National Forest. 762 Comment
  RSA128253  Lotus scoparius H. J. Thompson 1959-10-23 1822 Los Angeles Point Dume. 30 Comment
  RSA670034  Lotus scoparius Joseph M. Keefe 2001-1-19 30975 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  SFV4238  Lotus scoparius C. M. Wainwright 1967-5-11 s. n. Los Angeles Santa Monica Mountains 0.25 miles of Topanga Canyon Blvd. off of Hillside Drive. 412 Comment
  UCR252737  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-29 13408 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA406844  Lotus scoparius var. scoparius Fay A. MacFadden 1931-4-1 95 E Los Angeles Dry sandy slopes, Tuna Canyon, Verdugo Hills Comment
  RSA626239  Lotus scoparius var. scoparius L. C. Wheeler 1967-5-15 9585 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  RSA714716  Lotus strigosus A. C. Sanders 2005-5-5 29921 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark Plum. 701 Comment
  RSA592348  Lotus strigosus P. H. Raven 1962-3-27 17001 Los Angeles just north of Palos Verdes 91 Comment
  UC1871086  Lotus strigosus T. S. Ross, Walter Appleby 1993-5-13 7133 Los Angeles Transverse Ranges; San Gabriel Mountains region; Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll; San Fernando 7.5' USGS quad; R15W T3N, NW/4 NE/4 NE/4 sect. 9; ca 2980 feet elevation. 908 Comment
  RSA406937  Lotus strigosus var. strigosus M. B. Dunkle 1929-4-14 2127 Los Angeles Hay Press, Santa Catalina Island. Comment
  UCR242038  Lotus wrangelianus Dan S. Cooper 2012-4-30 412- 4 Los Angeles Santa Monica Mountains, Topanga, west end of Robinson Road/ Kim Trail, off North Topanga Canyon Blvd/Hwy 27 281 Comment
  RSA728785  Lupinus Gary D. Wallace 1979-4-19 1678 Los Angeles Mojave Desert, W of Palmdale, N of Elizabeth Lake near north end of Munz Ranch Road. Comment
  UCD170855  Lupinus R. G. Swinney 2009-5-28 10944 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR222801  Lupinus R. G. Swinney 2009-5-9 10707 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway 183 Comment
  IRVC26312  Lupinus bicolor A. C. Sanders, Andy Thompson 2003-4-15 26000 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA488021  Lupinus bicolor Mark Hoefs 1974-3-28 423 Los Angeles Santa Catalina Island; upper Bulrush Canyon. 220 Comment
  SEINET3145127  Lupinus bicolor E. K. Balls, LW Lenz 1950-3-28 14462 Los Angeles 1 mi E of junction of Hwy 99 and 138, just S of Gorman 1158 Comment
  SFV22132  Lupinus bicolor V. Soza, S. Caplow 2003-4-11 1629 Los Angeles Verdugo Mountains Head of Brand Canyon in vicinity of Brand Park, alongside Brand Park Mountainway, north side of powerline tower on west-northwest-facing slope. 640 Comment
  UC73220  Lupinus bicolor E. D. Palmer Apr. 1903 Los Angeles Los Angeles Comment
  UCR200023  Lupinus bicolor Valerie Soza, Mariam Sidibeh 2003-3-26 1610 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
  POM350025  Lupinus bicolor subsp. microphyllus M. B. Dunkle 1939-4-6 7321 Los Angeles San Clemente Island, High Terrace. Comment
  RSA155803  Lupinus bicolor subsp. umbellatus Peter H. Raven 1962-4-10 17195 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  POM19123  Lupinus concinnus Philip A. Munz 1923-4-10 6747 Los Angeles San Clemente Island: canyon south of 'Lemon Tank'; west coast. Comment
  RSA187893  Lupinus concinnus Robert F. Thorne 1966-4-7 35946 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  UCR190459  Lupinus concinnus R. G. Swinney 2001-4-18 7894 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  RSA0057914  Lupinus excubitus Richard G. Swinney 2010-3-30 12113 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  SEINET271859  Lupinus excubitus S. D. White 1996-3-18 3841 Los Angeles Marina Del Rey area; Ballona Ck. floodplain and adjacent N-faing slopw W of Lincoln Bl. and S of Jefferson BI. ca. 10ft 3 Comment
  UCR117623  Lupinus excubitus Scott D. White 1997-5-8 5079 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  UCR259636  Lupinus excubitus R. G. Swinney 2010-3-30 12113 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR187255  Lupinus excubitus subsp. austromontanus A. C. Sanders 2006-4-21 32129 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
  RSA0095317  Lupinus excubitus subsp. hallii Richard G. Swinney 2011-4-28 14527 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi west to San Gabriel Cyn. Dam. 878 Comment
  CAS-BOT-BC205405  Lupinus excubitus var. austromontanus E. K. Balls 1952-4-9 8449 Los Angeles 1/2 mi. E of Junct. Hwy. 99 & Hwy. 138 at Gorman 1127 Comment
  SBBG69114  Lupinus formosus R. Hoffmann 1929-5-22 Los Angeles Del Sur, Antelope Valley Comment
  SFV21472  Lupinus formosus J. H. Nishida 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide, on Little Tujunga Canyon. Fire break. 793 Comment
  POM305760  Lupinus formosus var. formosus H. J. Ramsey 1937-3-26 964 Los Angeles Pacoima Canyon, near San Fernando, Angeles National Forest. Comment
  POM19045  Lupinus hyacinthinus P. A. Munz 1923-8-31 7673 Los Angeles Swartout Valley, San Gabriel Mts 2591 Comment
  SFV7539  Lupinus latifolius T. Gordon, K. Kimbrough, M. H. Grayum, K. A. Wilson, B. Collins, D. Brown, A. Starrett, G. Poseley 1975-5-26 1007 Los Angeles Santa Monica Mountains First canyon east of Malibu Lake ("Fern Creek"). 244 Comment
  SBBG69381  Lupinus microcarpus var. horizontalis R. Hoffmann 1932-4-27 Los Angeles 1 mi E of Harold Comment
  SBBG67043  Lupinus microcarpus var. microcarpus R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk near Castaic Comment
  RSA252912  Lupinus microcarpus var. microcarpus R. F. Thorne 1973-5-11 43501 Los Angeles San Gabriel Mountains: near mouth of Big Rock Creek Canyon 1204 Comment
  CAS-BOT-BC207243  Lupinus peirsonii Wesley O. Griesel 1962-5-28 s.n. Los Angeles State Hwy. #2 2-2 1/2 miles East of Dawson Saddle, San Gabriel Mts. 2286 Comment
  LA33640  Lupinus sparsiflorus Peter H. Raven; Henry J. Thompson 1959-5-5 13932 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1) 335 Comment
  RSA507991  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd 1988-4-28 2246 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA594973  Lupinus sparsiflorus subsp. sparsiflorus T. S. Ross 1995-4-26 8383 Los Angeles West end of LIEBRE MOUNTAIN along Forest Service Road 7N23 ca 0.9 road-mile NE of its junction with the Old Ridge Route; ca 4550 ft SSW of Sandberg Triangulation Point (5345 ft). 1341 Comment
  POM2550  Lupinus succulentus L. R. Abrams 1899-03 7172 Los Angeles Los Angeles. Comment
  SEINET3131621  Lupinus succulentus Unknown 715 Los Angeles Vernon Comment
  LA200481  Lupinus truncatus A. M. Johnson; 1934-3-16 4337 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  UCR152454  Lupinus truncatus A. C. Sanders, Helen Kennedy 2005-4-13 29416 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR260013  Lupinus truncatus R. G. Swinney 2010-4-1 12145 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
  UCR50689  Lupinus truncatus Lyman Benson 1945-5-11 11705 Los Angeles San Gabriel Mountains, Canyon below Johnson's Pasture, above Claremont 549 Comment
  RSA582431  Lupinus truncatus E. Loyd 1933-3-25 s.n. Los Angeles Mandeville Canyon Comment
  RSA758069  Lupinus truncatus D. E. Bramlet, Jennifer Pareti 2008-4-14 4199 Los Angeles [Unspecified] Comment
  SEINET12154802  Lupinus truncatus J. F. Bright 1934-1 9252 Los Angeles Santa Monica Coast Range Comment
  UCR210273  Luzula comosa R. G. Swinney 2008-9-13 9460 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  SBBG13249  Lycium californicum M. A. Piehl 1962-6-10 62374 Los Angeles about buildings at Navy Base 38 Comment
  CAS-BOT-BC231603  Lycium cooperi Ralph Hoffmann 1932-4-26 s.n. Los Angeles Harold Comment
  UCSB18024  Lycium cooperi Gates, C. 1963-5-3 Los Angeles State Highway 138, 11.2 miles E of Pearblossom 1066 Comment
  SD85196  Lyonothamnus floribundus M. Van Rensselaer 1937-7-1 Los Angeles Tributary of Bull Rush Creek Catalina Island Comment
  CATA1954  Lyonothamnus floribundus subsp. floribundus Martin A. Piehl 1962-10-6 62 -512 Los Angeles Santa Catalina Island: Grove 3, probably in canyon between Pebbly Beach and Renton Mine 0 Comment
  RSA578213  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  SBBG51683  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62512 a Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  POM158111  Lythrum californicum L. R. Abrams 1902-8-8 2962 Los Angeles Ballona Creek near Mesmer Comment
  RSA0011274  Lythrum hyssopifolia Robert Gustafson 1980-9-16 1912 Los Angeles Ballona Wetlands, Area 2. [See map on specimen for precise location.] Comment
  UC33200  Madia elegans J. H. Barber 1897-7-11 259 Los Angeles Mt. Gleason summit; Mt. Gleason summit Comment
  SBBG108578  Madia elegans T. S. Ross 1992-7-12 5992 s Los Angeles home of T. S. Ross, Ontario Comment
  POM362165  Madia exigua F. R. Fosberg 1931-5-2 4734 Los Angeles Eagles nest, Middle Ranch canyon, Santa Catalina Island, 180 Comment
  POM362175  Madia gracilis L. C. Wheeler 1932-6-12 813 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  CAS-BOT-BC230897  Malacothamnus davidsonii C. B. Wolf 1931-7-2 2264 Los Angeles Little Tujunga Wash, 1/2 mi. above the bridge on the road from Sunland to San Fernando 335 Comment
  RSA226909  Malacothamnus fasciculatus Robert F. Thorne, C. W. Tilforth 1971-6-17 39976 Los Angeles San Gabriel Mountains, Angeles National Forest: 2 mi. up Lower Tujunga Rd. from Forestry Headquarters 457 Comment
  RSA434304B  Malacothamnus fasciculatus Fay A. MacFadden 1931-5-22 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA695385  Malacothamnus fasciculatus A. C. Sanders, Mark A. Elvin 2002-6-19 25202 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills S of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 282 Comment
  SBBG38761  Malacothamnus fasciculatus var. catalinensis R. Moran 1941-3-3 670 Los Angeles near Parson's Landing 60 Comment
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Oct 15 2014
  CAS-BOT-BC206366  Malacothamnus fremontii Ernest C. Twisselmann 1966-7-13 12617 Los Angeles Cuddy Canyon Road at the Ridge Route Freeway - San Emigdio Range and the Mt. Pinos Region 1188 Comment
  CAS-BOT-BC206370  Malacothamnus fremontii Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3702 Los Angeles Eastern half of the ridge, directly N of Fenner Canyon, Pinyon Ridge - San Gabriel Mountains 1990 Comment
  RSA0062839  Malacothamnus fremontii LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6762 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA438847  Malacothamnus marrubioides Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  CAS-BOT-BC345412  Malacothrix clevelandii Carl Epling; Lincoln Ellison 1929-5-18 s.n. Los Angeles Santa Monica Mountains, Topango [Topanga] Canyon Comment
  RSA301955  Malacothrix saxatilis var. tenuifolia J. R. Shevock 1972-9-30 2296 Los Angeles Point Dume. 15 Comment
  SBBG66180  Malacothrix saxatilis var. tenuifolia R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  SFV18075  Malacothrix saxatilis var. tenuifolia J. N. Hogue 1997-7-10 91 .2 Los Angeles Los Angeles, Eagle Rock. 152 Comment
  UC450779  Malosma laurina F. A. MacFadden 1931-4-20 2955 Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon Comment
  CAS-BOT-BC206651  Malva assurgentiflora Reid Moran; R. M. Beauchamp; T. Oberbauer 1975-8-22 22673 Los Angeles Wilson's Cove, San Clemente Island 50 Comment
  RSA0087068  Malva parviflora R. G. Swinney 2010-5-4 12525 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
  SBBG13274  Malva parviflora M. A. Piehl 1962-6-9 62333 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  SD153090  Malva pseudolavatera Steven A. Junak 1997-4-23 SCI 858 Los Angeles San Clemente Island; east side of island, in Larkspur Canyon just upstream from large drop-off in canyon. 188 Comment
  SEINET1004067  Malva sylvestris A. C. Sanders, Lee Jones 2005-1 29347 Los Angeles South Coast: Palos Verdes Peninsula, old MarineLand Site on Long Point and Bluffs toward Pt. Vicente (Redondo Beach 7.5' Q) 2 Comment
  SBBG14039  Malvella leprosa E. R. Blakley 1962-10-3 5378 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  RSA762448  Marah macrocarpa R. G. Swinney 2009-2-20 10007 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA440930  Marah macrocarpa Edwin Kline 1924-3-9 s.n. Los Angeles Sunset Canyon Comment
  HSC49045  Marrubium vulgare Patricia Shesgreen 1978-6-17 98 Los Angeles Whittier Hills, 0.4 mi. E of Painter Ave., N side of Turnbull Canyon Rd. Comment
  NY42930  Marrubium vulgare J. B. Walker 1995-3-31 1309 Los Angeles 3km S of Castaic, at N border of correctional facility 400 Comment
  PASA1162  Marrubium vulgare Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  RSA409840  Marrubium vulgare 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
  RSA682292  Marsilea vestita R. E. Riefner 2002-9-8 2 -226 Los Angeles Chatsworth, Chatsworth County Park, NW portion of park. 320 Comment
  POM148420  Meconella denticulata C. F. Baker 1904-5-2 4166 Los Angeles Hills near Claremont Comment
  RSA646976  Meconella denticulata LeRoy Gross 2000-4-22 172 Los Angeles Verdugo Mountains: South on La Crescenta to Shirleyjean turn right to Camp Max Straus. City of Verdugo City. 518 Comment
  UC635441  Meconella denticulata Frank W. Peirson 1925-4-23 5806 Los Angeles below Forks; San Gabriel Canyon 365 Comment
  UCSB68629  Medicago lupulina Gross, LeRoy 2004-5-19 Los Angeles Coastal Plains & Basins; San Fernando Valley Basin region; City of Sunland; bluff south side of Big Tujunga Wash, in yard in housing tract called "Sunhill Estates" Comment
  POM222454  Medicago lupulina L. C. Wheeler 1936-6-8 4139 Los Angeles San Gabriel Mountains: Mouth of Bell Canyon. 609 Comment
  CATA1135  Medicago polymorpha Mark L. Hoefs 1995-5-23 2125 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  SBBG98620  Medicago polymorpha T. Ross 1991-5-21 5376 Los Angeles between Box and Horse cyns; 1.2-1.25 mi SSW from N-S axis rd separating just NW of Thirst 483 Comment
  UCD107888  Medicago polymorpha Louis C. Wheeler 1967-5-15 9602 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  PASA197  Medicago sativa Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  RSA584119  Melia azedarach Tim S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 2992 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  UCR187135  Melica californica A. C. Sanders 2006-5-16 32309 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
  UC1587719  Melica imperfecta Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5259 Los Angeles w fork Near-Death Canyon (draining into Mosquito Cove (draining beginning 800 ft n of Rest [1336 '] marker; 1800 ft se of Malo Knoll [1396']), beginning of drainage); San Clemente Island, Mosquito Cove 384 Comment
  RSA623743  Melica imperfecta K. Scott 1921-2-8 s.n. Los Angeles College Hill Comment
  RSA507550  Melica stricta var. albicaulis L. C. Wheeler 1967-8-25 10518 Los Angeles Angeles National Forest: Confluence of Reed Spring branch and South Fork Big Rock Creek. 1768 Comment
  RSA652196  Melilotus albus Irvin Slade 1948-1-18 s.n. Los Angeles at Griffelth Park, between Glendale and Burbank. Comment
  RSA659824  Melilotus albus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 119 Los Angeles San Clemente Island. Comment
  RSA599692  Melilotus indicus L. C. Wheeler 1936-6-12 4149 Los Angeles Monroe Canyon, San Gabriel Mountains. 549 Comment
  RSA669713  Melinis repens LeRoy Gross 2002-2-23 482 Los Angeles Northeast side: Along Beaudry North Mountainway (dirt road) from bottom of Deer Creek this road leads to the main crest of the Verdugo's. Entered at the intersection of Beaudry Blvd. & Beaudry Terrace. 366 Comment
  RSA0087310  Mentha suaveolens R. G. Swinney 2010-9-13 13828 Los Angeles 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
  RSA682501  Mentha villosa Scott D. White 2003-7-31 9718 Los Angeles San Gabriel Mtn foothills: Tujunga area. Big Tujunga Wash south of the I-210 freeway. S terminus of Christy Ave. 329 Comment
  UCR191191  Mentzelia R. G. Swinney 1999-7-5 7523 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
  UCR193449  Mentzelia R. G. Swinney 1999-6-5 7265 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
  RSA167050  Mentzelia affinis W. G. Webb 1935-4-19 s.n. Los Angeles Tejon Ranchos, near Lebec Comment
  RSA314595  Mentzelia albicaulis Robert F. Thorne, C. W. Tilforth 1973-4-20 43019 Los Angeles San Gabriel Mts., Mojave Desert Slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 Comment
  RSA741035  Mentzelia albicaulis Scott D. White, Michael Honer 2004-3-30 9958 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  UC872540  Mentzelia albicaulis Ira Waddell Clokey and B. C. Templeton 1930-4-8 4657 Los Angeles w Lanchaster 400 Comment
  UCSB10559  Mentzelia laevicaulis Gill, Robert 1959-10-4 Los Angeles San Antonio Canyon, San Gabriel Mtns. 1005 Comment
  RSA69575  Mentzelia micrantha F. W. Peirson 1923-5-21 4450 Los Angeles Fish Canyon 534 Comment
  RSA446790  Mentzelia montana Bonnie C. Templeton 1933-5-16 5132 Los Angeles West Blue Ridge, Big Pines Park, San Gabriel Mts. 2195 Comment
  RSA0121622  Mentzelia veatchiana Pam De Vries 2013-4-3 7835 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 1.0 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1042 Comment
  SEINET3155071  Mentzelia veatchiana E. K. Balls, L. W. Lenz 1950-3-28 14466 Los Angeles 1 miles E of junction of Hwy 99 and Hwy 138, just S of Gorman. 1158 Comment
  RSA173997  Mentzelia veatchiana Robert F. Thorne 1963-5-15 31669 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  CAS-BOT-BC435291  Mesembryanthemum nodiflorum Carl B. Wolf 1932-5-9 3446 Los Angeles Santa Catalina Island. Pebbly Beach. 7 Comment
  POM214594  Micropus californicus var. californicus L. C. Wheeler 1932-5-28 784 Los Angeles San Antonio Canyon, below hogback 1280 Comment
  CAS-BOT-BC322632  Microseris douglasii subsp. platycarpha Louis C. Wheeler 1936-4-12 4092 Los Angeles Hills S Monterey Park 121 Comment
  RSA249753  Microseris heterocarpa R. F. Thorne, C. W. Tilforth 1973-4-20 43020 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  UCR155365  Microseris heterocarpa A. C. Sanders 2005-5-11 30129 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  POM18206  Microseris lindleyi P. A. Munz 1923-4-10 6732 a Los Angeles Grassy slope S of Lemon Tank, San Clemente Island 244 Comment
  SBBG66675  Mimetanthe pilosa H. and M. Dearing 1944-10-1 5887 Los Angeles Charlton Flats, Angeles Crest Hwy Comment
  RSA650926  Mimulus aurantiacus Daniel Curran 1981-2-25 27 Los Angeles San Dimas Canyon Rd. 0.3 miles S of San Dimas Dam. Comment
  RSA82099  Mimulus aurantiacus Unspecified 1920-4-22 4494 Los Angeles Rubio Canyon, south base of San Gabriel Mountains. 534 Comment
  RSA0120031  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-19 16549 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  RSA442637  Mimulus aurantiacus var. pubescens Harvey Anderson, C. Epling 1930-5-30 s.n. Los Angeles Mandeville Canyon. Comment
  UC1012396  Mimulus aurantiacus var. pubescens Francis W. Pennell 1940-6-25 26004 Los Angeles Mount Wilson 1676 Comment
  UCR38923  Mimulus aurantiacus var. pubescens B. A. Prigge 1985-6-14 6396 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch Site 659 Comment
  RSA161320  Mimulus aurantiacus var. puniceus Peter H. Raven 1962-5-20 17774 Los Angeles Santa Catalina Island. Avalon canyon about 1 mile south of Avalon. Comment
  UC729554  Mimulus aurantiacus var. puniceus Carl B. Wolf 1932-5-10 3509 Los Angeles Avalon Canyon, above the last almond orchard Santa Catalina Island 121 Comment
  POM8951  Mimulus brevipes P. A. Munz, R. D. Harwood 1920-4-21 3690 Los Angeles San Dimas Canyon, [San Gabriel Mountains] 457 Comment
  UCD122450  Mimulus brevipes R. S. Woglum 1930-4-28 s.n. Los Angeles East- Central Los Angeles County: hills south of Glendora. Comment
  POM246562  Mimulus cardinalis F. R. Fosberg 1931-5-18 S- 4910 Los Angeles Sweetwater Canyon, Santa Catalina Island. 160 Comment
  POM246632  Mimulus cardinalis F. R. Fosberg 1931-5-7 S- 4846 Los Angeles Cottonwood Canyon, left fork, Santa Catalina Island. 220 Comment
  RSA600748  Mimulus floribundus Louis C. Wheeler 1967-6-26 9870 Los Angeles Elsmere Canyon. 434 Comment
  RSA776786  Mimulus fremontii Orlando Mistretta, Christine Mistretta 2010-6-2 5236 -a Los Angeles Mill Creek Canyon, 1.40 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1348 Comment
  RSA777618  Mimulus fremontii Orlando Mistretta, Christine Mistretta 2010-5-20 5144 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  RSA252944  Mimulus fremontii var. fremontii Robert F. Thorne, Gary D. Wallace 1973-4-24 43423 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  UC63719  Mimulus fremontii var. fremontii Dr. A. Davidson Los Angeles Rock Creek San Gabriel Mts. Comment
  LA209385  Mimulus guttatus A. Handschiegel; 1925-5-19 sn Los Angeles Little Rock Creek Comment
  HSC20745  Mimulus guttatus C. S. Apperson 1967-6-3 Los Angeles 4 mi. from Gorman on Hwy. 138 Comment
  LA35215  Mimulus guttatus Mary V. Hood; 1939-4-28 39- 20 -k* Los Angeles near Gorman Comment
  RSA286432  Mimulus guttatus Mary H. O'Brien 1976-5-2 s.n. Los Angeles Whittier, Whittier Narrows Wildlife Sanctuary 1/3 mi. from headquarters near small lake, slightly sandy soil, fairy packed. Comment
  UCD122700  Mimulus guttatus Lisa J. Seemann 1993-5-5 s.n. Los Angeles intersection of Elizabeth Lake Rd. and Ranch Club Dr. 1066 Comment
  UCR126623  Mimulus pilosus A. C. Sanders, Mark Elvin 2003-8-7 27169 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  CAS-BOT-BC388664  Minuartia douglasii Geo. B. Grant 1906-6-10 6669 Los Angeles Mt Lowe, Castle Canyon Trail 1219 Comment
  RSA616308  Minuartia douglasii Scott D. White, Pam De Vries 1998-4-20 6297 Los Angeles Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  RSA725127  Minuartia douglasii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -65 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UC205826  Minuartia douglasii I. M. Johnston 1917-6-20 1356 Los Angeles Baldy Lookout of U.S.F.S. San Antonio Mountains 2133 Comment
  RSA0026047  Mirabilis jalapa R. G. Swinney 2009-8-19 11453 Los Angeles Monrovia Canyon Wilderness Park, 50 m north of rental cabins 366 Comment
  HSC16158  Mirabilis laevis David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  LA200668  Mirabilis laevis var. crassifolia M. Zaitlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA3537  Mirabilis laevis var. crassifolia Carl B. Wolf 1932-5-9 s.n. Los Angeles Left (east) fork of Pebbly Beach Canyon about 1/3 mile above the Mexican houses, Santa Catalina Island. 152 Comment
  SBBG69796  Mirabilis laevis var. crassifolia R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  SEINET3142119  Mirabilis laevis var. crassifolia S. B. Parish 1919-4-19 19258 Los Angeles near San Dimas Comment
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Oct 2 2016
  UC465715  Mirabilis laevis var. crassifolia R. L. Pendleton 1909-7-2 1367 Los Angeles road E of Avalaon, Santa Catalina Island 4 Comment
  RSA0027967  Mirabilis laevis var. crassifolia Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 123 Los Angeles San Clemente Island. Comment
  UCR181771  Monardella R. G. Swinney 1997-6-13 5589 Los Angeles San Gabriel Mtns, ridge NE of Table Mountain (peak 7473 ft.), c. 0.4 mi. west of San Bernardino Co. line 2195 Comment
  RSA641076  Monardella australis Orlando Mistretta 1995-7-12 1924 Los Angeles San Gabriel Mountains: Little Rock Creek, Buckhorn Campground. 2073 Comment
  RSA0016136  Monardella australis Orlando Mistretta 1995-7-11 1886 Los Angeles San Gabriel Mountains, Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  RSA96406  Monardella australis subsp. cinerea E. K. Balls 1954-9-4 19786 Los Angeles Trail from ski lift to Badly Summit Comment
  UC213275  Monardella breweri subsp. lanceolata I. M. Johnston 1918-9-1 2139 Los Angeles Brown's Flats San Antonio Mountains 1310 Comment
  UCR137727  Monardella breweri subsp. lanceolata L. C. Wheeler 1947-7-11 6545 Los Angeles San Gabriel Mtns., Millard Canyon. Mesa between Millard Canyon and Arroyo Seco 442 Comment
  CAS-BOT-BC221701  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin; Adam Clause 2008-5-30 5972 Los Angeles Transverse Ranges: Santa Monica Mtns: Santa Ynez Cyn, ca. 300m N of Verde De La Montura Rd. Comment
  POM306240  Monardella lanceolata var. lanceolata Henry J. Ramsey, Mrs. Ramsey 1937-7-12 s.n. Los Angeles Altadena, dry mesa. Comment
  LA62746  Monardella linoides Joseph Andorfer Ewan; 1934-8-6 8352 Los Angeles San Gabriel Mountains, E slope N Mount Baldy [=Mt. Baden Powell] at head of Mine Gulch, 2743 Comment
  CAS-BOT-BC220436  Monardella saxicola Louis C. Wheeler 1933-8-14 2081 Los Angeles San Dimas Canyon, San Gabriel Mts. 640 Comment
  SD40074  Mucronea californica Edith A. Purer 1933-5-30 5000 B Los Angeles Partially stabilized sand dunes, Playa del Rey Comment
  RSA151515  Muhlenbergia appressa P. H. Raven 1962-5-9 17708 Los Angeles Just north of Gray, San Clemente Island 427 Comment
  UCR210227  Muhlenbergia californica R. G. Swinney 2008-9-10 9422 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  CAS-BOT-BC275282  Muhlenbergia microsperma John Thomas Howell 1928-2-9 3339 Los Angeles On trail between Sierra Madre and Santa Anita Canon, San Gabriel Mountains Comment
  SBBG96687  Muhlenbergia microsperma S. Boyd with T. Ross, L. Arnseth 1990-4-7 4195 Los Angeles upper reaches of China Cyn Comment
  UCR128125  Muhlenbergia microsperma Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  RSA0086864  Muhlenbergia microsperma Steven A. Junak 1998-6-13 SCa- 748 Los Angeles Santa Catalina Island: W side of Avalon Canyon drainage, along N rim of Quail Canyon, just W of Los Angeles County Fire Station. 24 Comment
  RSA641502  Muhlenbergia richardsonis L. C. Wheeler 1967-8-24 10499 Los Angeles Angeles National Forest: SW slope of Mt. Waterman 2164 Comment
  RSA403606  Muhlenbergia rigens Anstruther Davidson 1912-07 2909 Los Angeles Hollywood. Comment
  UCR271161  Muhlenbergia rigens R. G. Swinney 2011-10-10 15732 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR270216  Muilla maritima R. G. Swinney 2011-6-15 15160 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  POM1690  Muilla maritima Harry Pruett 1909-5-25 17 Los Angeles Claremont. 365 Comment
  SEINET3243552  Muilla maritima Wesley O. Griesel 1961-1 Los Angeles Charleton Flats, San Gabriel Mts., Los Angeles County, California. 1524 Comment
  CAS-BOT-BC327742  Munzothamnus blairii Peter H. Raven 1962-4-12 17310 Los Angeles San Clemente Island. Large canyon below the Tomb. 243 Comment
  UCR172736  Myoporum laetum Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  RSA681044  Nama demissa Scott D. White 2003-6-8 9505 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  RSA522290  Narcissus tazetta Steve Boyd 1990-2-3 3823 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon Comment
  POM353172  Nassella cernua Anstruther Davidson 1890-06 s.n. Los Angeles E. Los Angeles. Comment
  RSA655999  Nassella cernua James Henrickson 1985-3-30 19786 Los Angeles Ca. 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
  UC1133132  Nassella cernua H. A. Jensen 1933-5-18 303 Los Angeles opposite mouth of Aliso Canyon; Tujunga Quadrangle Comment
  RSA679269  Nassella lepida Valerie L. Soza, LeRoy Gross 2001-5-14 1214 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UC285003  Nassella lepida P. A. Munz 1923-4-8 6632 Los Angeles rocky slopes of e coast San Clemente Island Comment
  RSA3589  Nasturtium officinale C. B. Wolf 1932-5-12 3606 Los Angeles Middle Ranch Canyon, near bridge on lower road to Isthmus, Santa Catalina Island 30 Comment
  UC61540  Navarretia atractyloides Ernest Braunton Jun 1903 898 Los Angeles Glendale to Burbank Comment
  SEINET6095429  Navarretia atractyloides Unknown 1902-5-15 821 Los Angeles Arcadia. Comment
  UCR182391  Navarretia hamata R. G. Swinney 1998-5-15 6054 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  JEPS15010  Navarretia hamata subsp. hamata Ira W. Clokey, B. Templeton 1929-7-1 4577 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
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Oct 9 2016
  RSA190949  Navarretia hamata subsp. leptantha R. F. Thorne 1966-4-29 36307 Los Angeles Santa Catalina Island: hillside along Airport Road before turn-off to Middle Ranch Canyon 457 Comment
  UC150153  Navarretia prostrata Dr. N. S. Gardner 1907-5-1 Los Angeles West Washington St., Los Angeles Los Angeles Comment
  LA94322  Nemacladus ramosissimus Peter H. Raven; David S. Verity 1960-5-7 15347 Los Angeles Santa Monica Mountains, Cornell Corners, just W of Cornell Corners 228 Comment
  RSA75121  Nemacladus ramosissimus F. W. Peirson 1918-6-4 220 Los Angeles Burned area in Hlls east of Rubio Canyon Comment
  SBBG69637  Nemacladus secundiflorus var. robbinsii R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  UCR204041  Nemacladus sigmoideus R. G. Swinney 2005-5-14 8235 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  UC24265  Nemophila menziesii H. M. Hall May, 1902 3082 Los Angeles Elizabeth Lake Comment
  RSA596000  Nemophila menziesii var. integrifolia Louis C. Wheeler 1967-5-2 9258 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 366 Comment
  UC535387  Nemophila menziesii var. integrifolia Ira W. Clokey, B. Templeton Apr. 1929 4454 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 350 Comment
  SBBG64800  Nemophila menziesii var. integrifolia R. Hoffmann 1927-6-14 Los Angeles Pine Cyn, Cottonwood Springs Comment
  SEINET3162303  Nicotiana bigelovii G. B. Grant 839 Los Angeles Covina Comment
  CAS-BOT-BC231702  Nicotiana glauca Ira L. Wiggins 1925-6-1 1755 Los Angeles White's [Whites] Landing, Santa Catalina Island Comment
  SBBG106201  Nicotiana glauca S. A. Junak with M. C. Hochberg, H. Ferguson 1981-7-28 SCl 16 Los Angeles N portion of island, around photo management building, on E side of Main Rd, just N of intersection with rd to NOTS Pier 219 Comment
  UCD126678  Nicotiana glauca Kenneth A. Wilson; D. E. Bianchi 1961-2-2 815 Los Angeles Santa Susana Mts. Granada Hills. Base of Limeklin Canyon. Comment
  UC1584265  Nicotiana quadrivalvis Tim Ross and Steve Boyd 1990-6-6 2843 Los Angeles Green Valley Pasture San Francisquito Canyon, Lake Hughes U.S.G.S. 7.5' Quad. (in San Francisquito Canyon) 926 Comment
  POM264652  Notholaena californica L. C. Wheeler 1932-7-9 955 Los Angeles 3/4 mi. from mouth of Rogers Canyon, San Gabriel Mountains 305 Comment
  UC153580  Oenanthe sarmentosa LeRoy Abrams 1902-6 2526 Los Angeles Ballona creek near Mesmer; Ballona creek Comment
  CAS-BOT-BC167049  Oenothera californica Louis C. Wheeler 1932-4-9 595 Los Angeles 6 mi. W Lancaster, [Mohave] Mojave Desert 731 Comment
  POM355305  Oenothera californica Stevenson 1923-04 s.n. Los Angeles Near Los Angeles. Comment
  POM3090  Oenothera elata subsp. hirsutissima M. Hitchcock 1918-7-28 26 Los Angeles Pacoima Canyon. Near San Fernando Valley. Comment
  RSA355621  Oenothera elata subsp. hirsutissima Robert Gustafson 1981-7-15 2342 Los Angeles Ballona Wetlands, Area 2. Comment
  SEINET13294182 Image available Oenothera glazioviana Unknown Los Angeles Grown at Claremont, California Comment
  LA201976  Olea europaea Arthur C. Gibson; 2004-3-10 5008 Los Angeles Santa Monica Mountains, Rustic Canyon, from Camp Josepho to the bottom of Rustic Canyon Comment
  POM311524  Opuntia ficus-indica Lyman Benson 1963-6-20 16342 Los Angeles Pomona, Walnut Ave. 1/4 mile from Puddingdtone Ave just north of Carrion House. 274 Comment
  CAS-BOT-BC56847  Opuntia littoralis L. R. Abrams; I. L. Wiggins 1931-7-6 384 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  POM317737  Opuntia littoralis David Walkington 1963-6-20 184 Los Angeles Southwest of Walnut Ave., just N of Puddingstone Rd., San Dimas. 305 Comment
  UCR177530  Opuntia littoralis LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 402 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 290 Comment
  SEINET10973654  Opuntia littoralis var. littoralis Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4783 Los Angeles Santa Catalina Island; Catalina Conservancy Land, Haypress Reservoir, around reservoir. 4 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 400 Comment
  JEPS14151  Oreonana vestita Frank W. Peirson 1918-6-17 137 Los Angeles summit of North Baldy San Gabriel Mts.; , N. Baldy 2743 Comment
  RSA0070492  Orobanchaceae Jean Pitzer McBurney 1932-03 s.n. Los Angeles San Antonio Canyon, San Gabriel Mts. 1219 Comment
  IRVC26158  Orobanche fasciculata A. C. Sanders, Mark A. Elvin 2003-6-18 26946 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  JEPS10828  Orobanche fasciculata Frank W. Peirson 1919-6-7 465 Los Angeles San Gabriel Mountains, Cow Canyon Divide. Comment
  JEPS81485  Orobanche fasciculata R. Mitchel Beauchamp 1982-8-22 Los Angeles on cliff above beach at mouth of canyon below Nanny camera pad site 6 Comment
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Dec 25 2010
  RSA0066439  Orobanche fasciculata Louis C. Wheeler 1967-8-9 10435 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1981 Comment
  UC303473  Orobanche parishii I. M. Johnston 1917-7-4 1429 Los Angeles San Antonio Mountains, Evey Canyon Evey Canyon; San Antonio Mountains, Evey Canyon 1066 Comment
  RSA230260  Osmorhiza berteroi R. F. Thorne 1969-7-2 38317 Los Angeles Angeles National Forest; Cedar springs ca. 1/2 mile E of Kratka ridge along Angeles Crest Hwy 2072 Comment
  RSA785299  Oxalis corniculata Doris Bowers 1957-5-20 110 Los Angeles LaVerne College 305 Comment
  UCR219450  Oxalis pes-caprae R. G. Swinney 2009-3-28 10183 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  POM353464  Oxalis pes-caprae Charles F. Seymour 1902-3-4 s.n. Los Angeles 150 W. Pico St. Comment
  RSA230205  Oxytheca parishii var. parishii Robert F. Thorne 1969-7-2 38329 Los Angeles San Gabriel Mountains, Angeles National Forest: Jarvis Memorial Vista near Islip Saddle on Angeles Crest Hwy. 2058 Comment
  RSA776525  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
  RSA0080362  Oxytheca trilobata R. G. Swinney 2011-6-29 15361 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  RSA507003  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-28 4559 Los Angeles San Gabriel Mountains, along the road from Mill Creek Summit to Mt. Gleason, 2.7 mile northwest of Mill Creek Summit 1707 Comment
  RSA596427  Packera ionophylla Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3362 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1731 Comment
  LA50666  Paeonia californica Virginia Mars; 1951-3-10 sn Los Angeles Santa Monica Mountains, Upper Sepulveda Canyon, West Los Angeles Comment
  RSA0091108  Paeonia californica R. G. Swinney 2011-3-22 14186 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  CAS-BOT-BC121161  Paeonia californica Louis C. Wheeler 1932-3-3 452 Los Angeles San Jose hills at Pomona 304 Comment
  SEINET10799056  Palafoxia arida David B. Dunn 1948-2-21 Dunn 3660 Los Angeles In wash. A rain about two weeks earlier. Hills still quite dry. Near Pushawalla. Comment
  CAS-BOT-BC274176  Pappostipa speciosa Roxana S. Ferris 1918-6-12 947 Los Angeles 5 miles south of Lancaster Comment
  CAS-BOT-BC403914  Parietaria hespera E. R. Blakley 1963-12-7 6336 Los Angeles 200 feet north of Lighthouse, north of Pyramid Head. San Clemente Island 53 Comment
  RSA592399  Parietaria hespera var. hespera Mark Hoefs, D. Propst 1974-5-10 466 Los Angeles Santa Catalina Island: upper Fern Canyon 335 Comment
  SEINET4098993  Parietaria hespera var. hespera M. B. Dunkle 1940-1 7422 Los Angeles Santa Barbara Island. Comment
  CAS-BOT-BC259626  Paspalum dilatatum J. H. Thomas 1956-9-22 6454 Los Angeles Occidental College Campus, Los Angeles Comment
  UCR155375  Pectocarya anisocarpa A. C. Sanders 2005-5-5 29914 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  UCR95373  Pectocarya anisocarpa T. S. Ross, J. M. Porter 1995-5-4 8463 A Los Angeles Transverse Range, Texas Canyon: c. 3.6 road miles NE of Bouquet Canyon Road 683 Comment
  UCR126691  Pectocarya penicillata A. C. Sanders, Andy Thomson 2003-4-15 26015 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  UCR150712  Pectocarya penicillata R. G. Swinney 1998-4-14 5978 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
  RSA549538  Pectocarya penicillata T. S. Ross 1992-4-27 6242 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  UCR182136  Pectocarya setosa R. G. Swinney 1998-4-14 5988 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
  CAS-BOT-BC67718  Pellaea andromedifolia George B. Grant 1904-5-17 918 Los Angeles Mt. Wilson Comment
  UC42642  Pellaea andromedifolia R. S. Norris June 1893 Los Angeles Catalina Island Comment
  UC42620  Pellaea mucronata var. mucronata W. H. Brewer 1860-12-18 55 Los Angeles Santa Monica Range Comment
  RSA686912  Pellaea mucronata var. mucronata Robin S. Collins 1973-5-15 260 Los Angeles Trail Canyon, within 1 mile of beginning of pack trail 671 Comment
  RSA747682  Penstemon caesius R. G. Swinney 2001-8-27 8104 Los Angeles San Gabriel Mountains: Mt. Burnham, west of Mt. Baden-Powell. 2740 Comment
  RSA755945  Penstemon grinnellii R. G. Swinney 2008-7-25 9307 Los Angeles Twin Peaks, east peak. 2357 Comment
  RSA702363  Penstemon heterophyllus Scott D. White, Pam De Vries 2004-6-14 10495 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA660405  Penstemon heterophyllus subsp. australis Orlando Mistretta 1992-6-17 594 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  RSA580317  Penstemon heterophyllus var. heterophyllus Tim S. Ross, Steve D. Boyd 1994-5-25 7935 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  JEPS7417  Penstemon spectabilis var. subviscosus Ira W. Clokey, B. Templeton 1929-3-26 4475 Los Angeles Mandeville Canyon , Mandeville Canyon (Santa Monica Mountains) 300 Comment
  NY661219  Penstemon spectabilis var. subviscosus I. W. Clokey 03 1929 4475 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  RSA0062901  Pentagramma triangularis T. S. Ross 1991-5-23 5484 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment. 39 Comment
  RSA687363  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1939-11-24 7341 Los Angeles Canyon head, Mosquito summit, San Clemente Island. Comment
  RSA687373  Pentagramma triangularis subsp. triangularis A. Menke 1955-4-21 s.n. Los Angeles Faculty Hill, UCLA campus, Los Angeles. Comment
  RSA0070742  Pentagramma viscosa M. B. Dunkle 1928-4-21 1884 Los Angeles Santa Catalina Island. Renton Mine. 304 Comment
  RSA601337  Perideridia pringlei Steve Boyd, Lauren Raz 1997-6-17 9957 Los Angeles Liebre Mountains region: Summit of Burnt Peak, generally to the northeast of the FAA site., Near 34 deg 41' 08.8''N 118 deg 34' 47.7''W. 1706 Comment
  LA33622  Peritoma arborea Henry J. Thompson; 1958-11-28 1827 Los Angeles Santa Monica Mountains, 1 mi NW of Point Mugu opposite Mugu Salt Marsh 15 Comment
  CAS-BOT-BC73734  Peritoma arborea var. globosa Geo. B. Grant 1901-1-1 615 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC355960  Perityle emoryi Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4268 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W. side Comment
  CAS-BOT-BC355976  Perityle emoryi Mrs. C. E. Miller 1918-6-10 s.n. Los Angeles The Isthmus, Santa Catalina Island Comment
  RSA3493  Perityle emoryi C. B. Wolf 1932-5-9 3436 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  SDSU382  Perityle emoryi R. M. Beauchamp 1967-1-28 135 Los Angeles Growing in canyon on South facing slope 1/2 mile southeast of Eel Point. San Clemente Island. Comment
  CAS-BOT-BC418875  Persicaria hydropiperoides A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36952 Los Angeles San Gabriel Valley: confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines. 88 Comment
  UC19636  Petalonyx thurberi subsp. thurberi J. H. Barber 1897-7-12 275 Los Angeles in Soledad Canyon near Saugus; Soledad Canyon Comment
  RSA426112  Phacelia E. S. Spalding 1924-5-8 s.n. Los Angeles Manhattan Beach. Comment
  UCR138526  Phacelia affinis L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, Oak Spring, Oak Spring Canyon, off Little Tujunga 793 Comment
  CHSC95772  Phacelia austromontana LeRoy Gross; Michael Denslow 2003-6-4 994 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southeast of Dawson Saddle, south side of Angeles Crest Highway (Hwy. 2), UTM Zone; 3802915N 0426388E. Just off the trail to Throop Peak, a short distance from the highway. 2439 Comment
  LA81956  Phacelia brachyloba Henry J. Thompson; 1960-5-14 3060 Los Angeles Santa Monica Mountains, 1 mi E of Saddle Peak 731 Comment
  JEPS1556  Phacelia brachyloba Ethel Rockwell 1851-1 969 Los Angeles w Glendale; Los Angeles River Comment
  RSA608695  Phacelia brachyloba Louis C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  POM155787  Phacelia cicutaria var. hispida M. B. Dunkle 1928-4-21 1864 Los Angeles Santa Catalina Island: Renton Mine. 305 Comment
  UCR219912  Phacelia cicutaria var. hispida R. G. Swinney, Jane Strong 2009-4-21 10419 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  RSA427662  Phacelia cicutaria var. hispida E. S. Spalding 1923-5-20 s.n. Los Angeles Fish Canyon. Comment
  RSA427696A  Phacelia ciliata Anstruther Davidson 1922 Los Angeles Gorman Station, Antelope Valley. Comment
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Jan 24 2015
  RSA674784  Phacelia cryptantha Scott D. White, Kent Hughes 2000-5-16 7846 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 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
  UCSB33703  Phacelia curvipes Griesel, Wesley 1962-6-6 Los Angeles Trail from Charlton Flats of Chilao, San Gabriel Mts. 1524 Comment
  SEINET3158135  Phacelia davidsonii G. B. Grant 1906-6-15 957 Los Angeles Summit of Mt. Wilson, San Gabriel Mts. 1829 Comment
  UC1426003  Phacelia distans Robert F. Thorne and C. W. Tilforth 1973-4-20 42990 Los Angeles 1 mi n Bob's Gap (3.2 mi s of Llano, n slope of ridge); San Gabriel Mts., Mojave Desert slope, Holcomb Ridge 1143 Comment
  UC56219  Phacelia distans H. M. Hall Apr. 1903 3755 Los Angeles near Pasadena Comment
  UCR101708  Phacelia distans B. G. Pitzer 1998-5-23 3753 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR209489  Phacelia distans R. G. Swinney 2008-6-17 9042 Los Angeles San Gabriel Mountains, Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1952 Comment
  RSA426204  Phacelia distans Richard C. Barkelew 1929-4-7 s.n. Los Angeles Nichols Canyon Comment
  RSA426237  Phacelia distans Bonnie C. Templeton 1930-4-2 4409 Los Angeles Mulholland Dr. Santa Monica Mountains. Comment
  RSA570176  Phacelia fremontii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4790 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA426157  Phacelia fremontii Bonnie C. Templeton, I. W. Clokey 1930-4-8 1033 Los Angeles Mojave Desert, W of Lancaster. 400 Comment
  CDA40372  Phacelia grandiflora T. C. Fuller & T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Chaney Trail above Altadena. 0 Comment
  RSA428004  Phacelia imbricata subsp. imbricata I. M. Johnston 1917-7-1 1443 Los Angeles Brown s Flat Comment
  UC1228374  Phacelia imbricata subsp. imbricata L. R. Heckard 1956-6-30 776 Los Angeles near Padua Hills (ne of Claremont); foothills of San Gabriel Mountains Comment
  UC24393  Phacelia lemmonii Samuel B. Parish June 1887 1880 Los Angeles Rock Creek Comment
  RSA26543  Phacelia longipes J. T. Howell 1928-6-10 3889 Los Angeles Fish Canyon Comment
  RSA642423  Phacelia longipes Orlando Mistretta 1995-6-23 1828 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 1. 1829 Comment
  UCR271246  Phacelia longipes R. G. Swinney 2011-6-1 14968 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  UCR68901  Phacelia lyonii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4282 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UCR280692  Phacelia minor R. G. Swinney 2014-5-27 16666 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  LA46947  Phacelia parryi Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR205979  Phacelia ramosissima A. C. Sanders, T. B. Salvato 2009-5-29 37050 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UC1424845  Phacelia ramosissima var. austrolitoralis C. W. Tilforth, J. Dourley, W. Wisura 1978-6-8 1596 Los Angeles w Malibu (base of bluffs); Point Dume Comment
  UC1400330  Phacelia ramosissima var. ramosissima R. F. and M. Z. Thorne 1969-7-9 38590 Los Angeles Big Pines San Gabriel Mts., Angeles National Forest 2087 Comment
  UC55313  Phacelia tanacetifolia J. H. Barber 1898-3-20 Los Angeles South Beach Comment
  RSA660460  Phacelia tanacetifolia Mary C. Hunter 1994-5-23 9 Los Angeles South Pasadena (Mission and Fair oaks Backyard). Comment
  HSC94031  Phacelia viscida Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9455 Los Angeles Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  SD125449  Phacelia viscida Daryl Koutnik 1978-5-10 466 Los Angeles Santa Monica Mts, Corral Canyon Rd, roadside 640 Comment
  UC122013  Phalaris caroliniana Dr. A. Davidson 1898-1 Los Angeles Los Angeles Comment
  RSA592519  Pholistoma auritum Mark Hoefs, D. Propst 1973-3-14 80 Los Angeles Cape Canyon, Santa Catalina Island. 290 Comment
  SBBG126050  Pholistoma membranaceum J. M. Wood 2010-5-10 1575 Los Angeles Little Rock Crk, downstream of Little Rock Reservoir, within 0.25 mi of the dam; San Gabriel Mtns 966 Comment
  SEINET4080671  Pholistoma racemosum R. Moran 1941-1 663 Los Angeles Arrow Point, Santa Catalina Island. 200 Comment
  RSA526519  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4258 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA800515  Phoradendron bolleanum Jane Tirrell 2012-8-31 LS 0172 Los Angeles North side California State Route 2, just west of mile marker 67.23, approx. 1.75 mi west of Dawson Saddle. 2254 Comment
  RSA420763  Phoradendron californicum L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  RSA589970  Phoradendron densum Orlando Mistretta 1994-3-30 941 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1159 Comment
  UC6070  Phoradendron densum J. H. Barber 1897-6-28 205 Los Angeles Kentucky Springs near Acton; Kentucky Springs Comment
  RSA683017  Phyllospadix scouleri E. Yale Dawson 1958-5-22 19147 Los Angeles Latigo shore Road, Malibu beach Comment
  RSA0030775  Physalis acutifolia Louis C. Wheeler 1932-7-19 964 Los Angeles 2 miles N Claremont. 412 Comment
  POM219188  Physalis lancifolia Louis C. Wheeler 1932-8-29 1309 Los Angeles 2 miles northeast of La Verne. 373 Comment
  UCR214600  Picris echioides A. C. Sanders, Dan S. Cooper 2010-4-30 38125 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR256173  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-21 13846 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA774624  Pinus coulteri R. G. Swinney 2009-7-29 11431 Los Angeles Pacifico Mountain summit 2134 Comment
  RSA86531  Pinus flexilis F. W. Peirson 3997 Los Angeles Blue Ridge 2591 Comment
  UCR206170  Pinus halepensis A. C. Sanders, T. B. Salvato 2009-5-21 36894 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  CAS-BOT-BC78747  Pinus lambertiana Joseph Andorfer Ewan; Nesta Ewan 1936-8-17 10110 Los Angeles Little Rock - Bear Creek divide, San Gabriel Mts. 1981 Comment
  CAS-BOT-BC78753  Pinus lambertiana Geo. B. Grant 1897-12-29 s.n. Los Angeles on northern slope of Mt. Wilson Comment
  RSA0047921  Pinus lambertiana R. G. Swinney 2010-9-23 13872 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA384349  Pinus lambertiana Ora M. Clark 1928-12-8 1364 Los Angeles Mt. San Antonio Comment
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Mar 27 2014
  RSA384364  Pinus monophylla George R. Johnstone 1928-03 s.n. Los Angeles Near Little Rock, Mojave Desert Comment
  RSA384374  Pinus monophylla Albert J. Perkins 1919-5-30 s.n. Los Angeles Big Rock Creek, Antelope Valley. Comment
  RSA612190  Pinus monophylla L. C. Wheeler 1970-10-7 s.n. Los Angeles Los Angeles: 1/2 mile northeast of Charlton Station near Center. 1677 Comment
  RSA649648  Pinus monophylla Michael Horn 1991-5-3 18 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  LA6137  Pinus muricata Tom O'Donnell; 1953-4-30 sn Los Angeles Santa Monica Mountains, Big Oak Flat Comment
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Jun 18 2014
  RSA617368  Pinus sabiniana Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10233 Los Angeles Liebre Mountains region: Warm Springs Mountain, ca. 0.5 miles west of the peak along ridgeline dividing Warm Springs Canyon and Necktie Basin. 1189 Comment
  SFV274  Pinus sabiniana P. G. Kilburn 1958-4-12 738 Los Angeles San Gabriel Mountains Saugus district of Angeles National Forest. Sawmill Mountain area, 0.5 miles east of entrance to Lower Shake Campground. Just SW of road across from picnic site. 1250 Comment
  UC845544  Piperia cooperi F. R. Fosberg 1931-4-7 S 4495 Los Angeles Hamilton Beach Santa Catalina Island 20 Comment
  LA33418  Piptatherum miliaceum Peter H. Raven; Henry J. Thompson 1959-9-6 4391 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth of Malibu Creek 12 Comment
  CATA2201  Pittosporum tobira Sara L. Crockett 1997-3-14 89 Los Angeles Santa Catalina Island: Base of Avalon Canyon Road at 5 way intersection, in small park on W side of street 36 Comment
  UCR152549  Pittosporum tobira A. C. Sanders, Lee Jones 2005-4-8 29348 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  SEINET3873523  Pityrogramma triangularis var. triangularis K. Dobry 1992-4-14 d 3692 a Los Angeles West Santa Monica Mts. 5 mi No of Pacific Coast Hwy, At Camp Shalom.; 0 Comment
  UCR176954  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9340 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 396 Comment
  UCR126749  Plagiobothrys canescens A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26227 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  SD237379  Plagiobothrys collinus R. G. Swinney 2009-5-28 10926 Los Angeles Transverse Range; San Gabariel Mountains: Sulphur Springs Campground, South Fork of Little Rock Creek (Waterman Mtn 7.5'Q) 1584 Comment
  POM50666  Plagiobothrys collinus var. californicus A. J. McClatchie 1897-5-2 s.n. Los Angeles Wilmington Comment
  RSA0094550  Plagiobothrys collinus var. fulvescens Richard G. Swinney 2011-6-6 14999 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  SD82922  Plagiobothrys collinus var. fulvescens Robert F. Thorne 1969-7-2 38230 Los Angeles San Gabriel Mountains; Charlton Flats burn of 1954. 1600 Comment
  SBBG113138  Plagiobothrys collinus var. gracilis S. A. Junak 1997-3-28 SCa 400 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 Comment
  SD90554  Plagiobothrys collinus var. gracilis Robert F. Thorne 1973-4-11 42783 Los Angeles San Clemente Island; plateau in Middle Ranch area at head of Middle Ranch Canyon. 427 Comment
  UCR232371  Plagiobothrys leptocladus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8011 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m east of Sierra Highway, 240 m north of Avenue F, and 1.3 km south of Avenue E 703 Comment
  SBBG95219  Plantago coronopus M. B. Dunkle 1911-4-29 1911 Los Angeles Little Harbor Comment
  POM246417  Plantago erecta F. R. Fosberg 1931-3-27 S- 4399 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 80 Comment
  RSA401981C  Plantago erecta Louis C. Wheeler 1934-3-10 2426 Los Angeles San Gabriel Mountains, near mouth of San Dimas Canyon. 442 Comment
  SEINET6089751  Plantago erecta Unknown 1975-5-14 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA209615  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7270 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  POM277032  Platanthera leucostachys Robert C. Frampton 1946-7-21 s.n. Los Angeles Little Jimmie Springs near Crystal Lake, Pacific Drainage Area, San Gabriel Mountains. Comment
  CAS-BOT-BC93179  Platanus racemosa Le Roy Abrams 1899-3-1 s.n. Los Angeles Between Los Angeles and Pasadena. Comment
  SBBG25133  Platystemon californicus D. Myrick 1966-4-6 1400 Los Angeles Avenue I from Lancaster Comment
  RSA580448  Platystemon californicus var. crinitus Tim S. Ross, S. D. Boyd 1994-5-11 7802 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  POM214384  Plectritis ciliosa subsp. insignis Louis C. Wheeler 1932-3-26 537 Los Angeles Puddingstone Dam, San Jose Hills. 274 Comment
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Mar 28 2010
  UCR185605  Poa bulbosa A. C. Sanders 2007-4-25 33560 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  CAS-BOT-BC237682  Poa secunda Timothy S. Ross 1994-5-31 7967 Los Angeles San Gabriel Mountains. Pacifico Mountain: ca 530 m due W of the 7124 ft. summit, head of Santiago Canyon 2023 Comment
  CHSC103497  Poa secunda V. Soza; LeRoy Gross, Bill Hogshead 2002-5-9 1463 Los Angeles Tranverse Ranges, San Gabriel Mountain region: Along Sunset Peak Road, 2.8 km ESE from Glendora Ridge Road. UTM 11S: 37 86 174 N x 04 35 497 E. 1493 Comment
  SEINET10602294  Poa secunda LeRoy R. Abrams Abrams 1475 Los Angeles Santa Minica Mts Comment
  CAS-BOT-BC236262  Poa secunda subsp. juncifolia Timothy S. Ross; Steve Boyd 1994-4-12 7461 Los Angeles Liebre Mountains. San Francisquito Canyon, ca. 220 m SW of where Drinkwater Canyon joins S Fr. Canyon 512 Comment
  RSA763751  Poa secunda subsp. secunda Orlando Mistretta, Christine Mistretta 2008-5-20 3143 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  RSA353052  Poa secunda var. secunda L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA495085  Polycarpon tetraphyllum A. C. Sanders 1988-5-18 7828 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. Comment
  RSA746554  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36952 Los Angeles confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  RSA0084859  Polygonum lapathifolium R. G. Swinney 2010-9-1 13670 Los Angeles Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  UC1595416  Polygonum lapathifolium Tim Ross and Annette H. Ross 1991-7-29 5719 Los Angeles Elephant Hill San Dimas USGS 7.5 ' quad, Puente Hills, W Pomona (base of n slope, n-most point of hills, w-running streamlet) 231 Comment
  PASA1869  Polypodium californicum Sally Ellis 1940-4-16 Los Angeles Claremont, Evies Canyon Comment
  UCSB62418  Polypodium californicum Kendall, M. 1921-3-23 Los Angeles Lone Hill, San Dimas Comment
  CAS-BOT-BC71881  Polypodium californicum J. Von Loh 1978-1-4 3283 Los Angeles S. Clemente I., near Nots Pier 45 Comment
  RSA85047  Polypodium californicum F. W. Peirson 1919-11-30 2838 Los Angeles South base of San Gabriel Mnts., Middle Eaton Canyon. 610 Comment
  UCSB62347  Polypodium californicum Kiefer, Lawrence 1967-1-21 Los Angeles San Gabriel Mtns., NE of Sunland, Gold Canyon tributary of Big Canyon, ca. 1mi up the trail 609 Comment
  UCSB62354  Polypodium californicum Kiefer, Lawrence 1967-4-16 Los Angeles San Gabriel Mtns., N of Monrovia, Big Santa Anita Canyon, ca. 1mi above Big Santa Anita Dam 457 Comment
  RSA782110  Polypogon monspeliensis A. C. Sanders, Dan S. Cooper 2010-4-30 38157 Los Angeles Madrona Marsh, Torrance 24 Comment
  SBBG106895  Polypogon monspeliensis M. L. Hoefs, R. F. Thorne 1996-4-6 2659 Los Angeles Hermit's Gulch Trail, where trail crosses stream 164 Comment
  SBBG59510  Polypogon monspeliensis R. Hoffmann 1926-4-19 Los Angeles Antelope Valley Comment
  SEINET10593653  Polypogon monspeliensis Joseph A. Ewan 1932-6-28 Ewan 7506 Los Angeles wet sand about river bed pool. Los Angelos River at Hyperion Bridge, Upper Sonoran Comment
  RSA0127703  Polypogon viridis Louis C. Wheeler 1967-7-18 10105 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  CAS-BOT-BC102546  Populus fremontii Ernest C. Twisselmann 1970-9-8 17485 Los Angeles Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  UCR191177  Populus fremontii R. G. Swinney 1999-6-28 7462 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  RSA607600  Portulaca oleracea L. C. Wheeler 1966-10-25 9065 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  SEINET3892989  Potamogeton pectinatus Louis C. Wheeler 1945-8-15 6088 Los Angeles El Monte: Lake Shangri-La. Margin of sunny lake.; 0 Comment
  CAS-BOT-BC141843  Potentilla anserina LeRoy Abrams 1899-3-1 255 Los Angeles Mesmer Comment
  RSA756752  Potentilla glandulosa R. G. Swinney 2008-6-18 9075 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  SBBG118562  Proboscidea lutea R. F. Thorne 1969-10-31 37869 Los Angeles Rancho Santa Ana Botanic Garden 365 Comment
  SEINET12329301  Proteaceae W. R. Hamilton 1901-1 s.n. Los Angeles Long Beach Comment
  RSA424605A  Prunella vulgaris subsp. lanceolata Fred Burlew 1926-07 s.n. Los Angeles Mt Islip. Comment
  RSA599339  Prunus dulcis Steve D. Boyd, Lauren Raz 1997-3-26 9367 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  RSA586998  Prunus fasciculata var. fasciculata Orlando Mistretta 1992-5-8 298 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  RSA580738  Prunus ilicifolia Tim S. Ross, Steve D. Boyd 1994-5-25 7931 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  RSA600476  Prunus ilicifolia Steve D. Boyd, Lauren Raz 1997-4-30 9598 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  UCD113470  Prunus ilicifolia Geoffrey Levin 1974-5-2 69 Los Angeles wash in Blancahrd Park, Pomona College, Claremont. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) 335 Comment
  SBBG10985  Prunus ilicifolia subsp. lyonii R. Moran 1958-9-16 6844 Los Angeles 2 mi SE of Eel Pt 150 Comment
  SBBG13619  Prunus ilicifolia subsp. lyonii P. H. Raven 1962-5-2 17828 Los Angeles near mouth of Cherry Cyn Comment
  RSA232621  Prunus lyonii Larry E. DeBuhr, Gary D. Wallace 1972-9-2 697 Los Angeles San Clemente Island: near top of the canyon from Lemon Tank on east side of Island. 366 Comment
  RSA454148  Prunus lyonii Anstruther Davidson s.n. Los Angeles Santa Catalina Island. Comment
  RSA454151  Prunus lyonii F. R. Fosberg 1931-4-4 S- 4488 Los Angeles Cherry Canyon 30 Comment
  JEPS44912  Prunus virginiana var. demissa Frank W. Peirson 1919-6-4 82 a Los Angeles Icehouse Canyon; San Gabriel Mountain, Icehouse Canyon 2057 Comment
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Dec 10 2014
  JEPS23714  Pseudognaphalium biolettii Peter H. Raven 1959-2-15 13786 Los Angeles 2.6. mi n Sunset Blvd; Santa monica Mountains, Beverly Glen Canyon 213 Comment
  RSA712717  Pseudognaphalium biolettii A. C. Sanders 2003-3-14 25759 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
  UCSB10469  Pseudognaphalium biolettii McElwain, Isabelle 1953-3-21 Los Angeles Point Dume Comment
  UCD168194  Pseudognaphalium microcephalum J. W. Barry 1980-6-16 s.n. Los Angeles Hungry Valley SVRA. Northeast portion of unit. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR277043  Pseudognaphalium stramineum R. G. Swinney 2010-6-8 13229 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA660221  Pseudotsuga macrocarpa Fred Brooks 1988-5-7 39 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  UCR242719  Psilotum nudum A. C. Sanders 2012-11-12 40519 Los Angeles South Coast/Los Angeles Basin, Gardena, Marukai Market Place, 1740 West Artesia Blvd., near intersection with Western Ave. 9 Comment
  CAS-BOT-BC421199  Pterostegia drymarioides John H. Thomas 1957-5-25 6772 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena. 609 Comment
  RSA747404  Pterostegia drymarioides R. G. Swinney 2008-6-4 8934 Los Angeles San Gabriel Mtns.: Devils Punchbowl Co. Park, 0.5 mile north of park headquarters in headwaters of Sandrocks Canyon. Comment
  UCR223028  Purshia glandulosa R. G. Swinney 2009-4-29 10615 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
  UC25276  Pycnanthemum californicum J. H. Barber 1897-6-30 239 Los Angeles Pierson's Mine Comment
  SEINET13947143 Image available Pycnanthemum californicum C. F. B. 1903-1 3449 Los Angeles San Antonio Canon near Claremong, Los Angeles county, Ca. Comment
  RSA0080555  Pyrola dentata Robert C. Frampton 1946-8-4 6167 Los Angeles San Gabriel Mt. Range. Windy Gap - Little Jimmy trail Comment
  UC1922331  Pyrus communis Gary Kovnat with LeRoy Gross 2003-2-16 28 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  RSA177664  Quercus X macdonaldii Robert F. Thorne, P. Everett 1965-5-12 34639 Los Angeles Bullrush Canyon, Santa Catalina Island. 244 Comment
  SBBG128174  Quercus X macdonaldii B. E. Carter, J. Clark 2012-8-9 6963 Los Angeles Bulrush Cyn, below Salta Verde turnoff 255 Comment
  CAS-BOT-BC45627  Quercus agrifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8473 Los Angeles Texas Canyon: ca. 3.6 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 682 Comment
  RSA0014961  Quercus agrifolia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11691 -A Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  UCD45009  Quercus agrifolia Gary D. Cromwell; David W. Wheat 1971-4-30 589 Los Angeles On rocky bluff, facing S-SE. Hard dry soil. 1400' Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi. NE of Glendora, Calif. 426 Comment
  RSA0091713  Quercus agrifolia var. agrifolia R. G. Swinney 2011-4-9 14388 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA0114809  Quercus agrifolia var. agrifolia R. G. Swinney 2011-10-25 15883 Los Angeles San Gabriel Mountains; south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  SDSU21247  Quercus agrifolia var. agrifolia S. H. Bullock 1971-10-30 220 Los Angeles Tuna Canyon, 1.6 miles from coast, N. exposure. 427 Comment
  UCR212806  Quercus agrifolia var. agrifolia Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1794 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon Road below dam]. Near trail on San Dimas Canyon Creek 398 Comment
  RSA723066  Quercus berberidifolia LeRoy Gross 2007-5-16 2734 Los Angeles Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near 273 Comment
  SD38236  Quercus berberidifolia Edith A. Purer 1935-5-11 6578 Los Angeles Malibou Lodge Road, Santa Monica Mountains. Comment
  UC1922652  Quercus berberidifolia Valerie Soza, Leland Lubinsky 2001-5-16 1224 Los Angeles Transverse Ranges; Verdugo Mountains region; Northern San Rafael Hills: Liz's Loop (Edison Road) to Cherry Canyon Fire Road. 457 Comment
  UC450850  Quercus berberidifolia Fay A. McFadden 1931-7-8 3078 Los Angeles Tuna Canyon Verdugo Hills Comment
  UCD45261  Quercus berberidifolia A. D. Gifford 1935-4-14 580 Los Angeles 2 1/2 miles east of Whitaker Peak. Altitude 3000 feet. 914 Comment
  UCD45268  Quercus berberidifolia Daryl Koutnik 1978-4-28 s.n. Los Angeles Common shrub on dry hillside with Juniperus californica. Cornell Corners, south of Agoura Road on Cornell Road. Elevation 1000 feet. 304 Comment
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Oct 1 2018
  UCD45315  Quercus berberidifolia John M. Tucker 1948-9-26 1879 Los Angeles California, Los Angeles Co.; 11.4 mi. west of Palmdale, beside road to Elizabeth Lake; Comment
  JEPS97689  Quercus chrysolepis Annetta M. Carter, Arthur Carter 1935-9-12 975 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  OBI37771  Quercus chrysolepis David J. Keil 1980-3-27 13730 Los Angeles 1 mi E of Ridge rte on Pine Canyon rd (L.A. county rd N-2) 1189 Comment
  RSA476889  Quercus chrysolepis L. E. Hoffman 1931-5-11 s.n. Los Angeles Millard's Canyon, Angeles Nat'l Forest. Comment
  RSA488015  Quercus chrysolepis Mark Hoefs, D. Propst 1974-5-10 465 Los Angeles Santa Catalina Island: lower Fern Canyon. 213 Comment
  RSA652308  Quercus chrysolepis Matt Bogdanoff 1981-5-27 38 Los Angeles Ca Hwy 39, 14.5 mi N of junction with Sierra Madre Ave., N of Azusa. 793 Comment
  UCSB58436  Quercus chrysolepis McCaskill, June 1961-5-9 Los Angeles At foot of footbridge to 100 inch telescope, Mount Wilson, Sierra Madre Mountains, ca. 30 miles northeast of Los Angeles 1737 Comment
  CAS-BOT-BC86898  Quercus douglasii Timothy S. Ross; Steve Boyd 1994-9-21 8323 Los Angeles Sandberg: low, rounded knoll ca 150-260 m SW of town. Liebre Mountain. 7.5' USGS Quadrangle 1292 Comment
  CAS-BOT-BC86204  Quercus dumosa Peter H. Raven; Henry J. Thompson 1958-10-18 14678 Los Angeles Santa Monica Mountains. along Mulholland Highway 3.2 miles E of Decker Road 640 Comment
  CAS-BOT-BC79761  Quercus durata Alice Eastwood 1915-8-25 4924 Los Angeles Duarte Comment
  RSA0091775  Quercus durata var. gabrielensis R. G. Swinney 2011-3-17 14126 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA653358  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 301 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following the fire break up to main crest (to Beaudry fire road) 305 Comment
  RSA733153  Quercus durata var. gabrielensis Susan Grose, L. Braccio, L. Gross 2007-11-11 190 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  RSA0031752  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-6 2668 Los Angeles Transverse Ranges; San Gabriel Mountains region; Southern California Edison transmission line corridor (Segment 11, Impact Areas 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  CAS-BOT-BC94174  Quercus engelmannii Geo. B. Grant 1904-5-5 6167 Los Angeles Pasadena Comment
  SD121746  Quercus engelmannii Ward B. Holt 1941-10-31 Los Angeles Monrovia Comment
  SD121747  Quercus engelmannii Ward B. Holt 1941-10-31 23 1941 Los Angeles Monrovia Comment
  SD72799  Quercus engelmannii F. R. Fosberg 1931-1-7 7111 Los Angeles Arcadia 149 Comment
  UC533190  Quercus engelmannii Joseph Andorfer Ewan 1900-1 8487 a Los Angeles San Gabriel Mountains Comment
  UCR182178  Quercus engelmannii R. G. Swinney 1997-9-27 5881 Los Angeles San Gabriel Mountains, between Live Oak Canyon and Marshall Canyon, c. 0.25 mi. NW of Live Oak Canyon Dam 512 Comment
  CAS-BOT-BC105257  Quercus kelloggii Le Roy Abrams; E. A. McGregor 1908-6-19 480 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA0017015  Quercus kelloggii F. W. Peirson 1919-6-14 1708 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1982 Comment
  CAS-BOT-BC61501  Quercus lobata Peter H. Raven; Henry J. Thompson 1959-4-3 13922 Los Angeles slopes just east of Malibu Junction. Santa Monica Mountains 243 Comment
  UC848097  Quercus lobata Carl B. Wolf 1932-10-19 Los Angeles 0.25 mi s Santa Clara River (Ridge Route Road) 365 Comment
  CAS-BOT-BC257062  Quercus tomentella P. S. Manos 1988-10-28 690 Los Angeles San Clemente Island, just S of Vista Canyon and N of Eagle Canyon 243 Comment
  UC1204737  Quercus tomentella Huron H. Smith 1912-6-19 5118 Los Angeles Cherry Canyon Santa Catalina Island 91 Comment
  UCR180004  Quercus wislizeni R. G. Swinney 1996-8-7 5211 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  RSA0091489  Quercus wislizeni var. frutescens R. G. Swinney 2011-6-15 15167 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  CAS-BOT-BC362463  Rafinesquia californica A. C. Sanders; Tricia Wotipka; Mark A. Elvin; et al 2003-4-29 26154 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. 488 Comment
  RSA188047  Rafinesquia californica R. F. Thorne 1966-4-6 35890 Los Angeles Santa Catalina Island. Between White and Moonstone Coves 15 Comment
  POM8739  Rafinesquia californica P. A. Munz, R. D. Harwood 1920-5-15 3961 Los Angeles Santa Monica Mountains 305 Comment
  SBBG131556  Rafinesquia californica S. A. Junak 2000-4-15 SCa 1199 Los Angeles E side of rd to Lone Tree, ca. 0.1 mi from jct with Divide Rd 472 Comment
  UC150026  Ranunculus californicus LeRoy Abrams 1903-3-8 3104 Los Angeles Inglewood Comment
  POM308886  Ranunculus californicus Kay H. Beach 1943-4-29 649 Los Angeles Johnstone [Peak], below peak, near edge of San Dimas Experimental Forest. U.S. Forestry Department, Angeles Forest, San Gabriel Mountains. Comment
  CAS-BOT-BC378869  Ranunculus californicus var. californicus Peter H. Raven 1959-4-4 13948 Los Angeles just east of Zuma Beach, Point Dume 0000000000000000000000 15 Comment
  RSA400002  Ranunculus hebecarpus Bonnie C. Templeton 1947-5-21 6273 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  CDA3827  Raphanus raphanistrum L. C. Wheeler 1973-4-8 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Kagel Canyon. Comment
  RSA549576  Rhamnus crocea Tim S. Ross 1991-3-10 4210 Los Angeles Claremont: Bernard Field Station, on E side of RSA 392 Comment
  UCR273541  Rhamnus crocea subsp. crocea R. G. Swinney 2011-3-18 14141 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  CAS-BOT-BC55979  Rhamnus ilicifolia Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles near Monrovia Comment
  CAS-BOT-BC59840  Rhamnus ilicifolia Timothy S. Ross; Steve Boyd 1993-5-23 7272 Los Angeles Northerly draw draining from saddle between Red Mtn's long e. ridge and a small notched peak (3227-ft), to upper 896 Comment
  RSA695393  Rhamnus ilicifolia A. C. Sanders, Mark A. Elvin 2002-6-19 25165 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 S of Santa Clara River. 305 Comment
  SFV21391  Rhamnus ilicifolia L. Gross 2002-4-28 535 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Off La Tuna Canyon Road in Santa Monica Mountains Conservancy land, south of 210 Freeway. Second canyon from the trail that starts from La Tuna climbs up and over a ridge to drop down into a this canyon. 549 Comment
  UC1121871  Rhamnus ilicifolia P. L. Johannsen 1934-1-18 233 Los Angeles 1 mi nw lower dam Malibu Creek; Calabasas Quad. 365 Comment
  UCR132306  Rhamnus ilicifolia John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  UCR150900  Rhamnus ilicifolia Valerie Soza, Kent Hughes 1999-6-17 557 Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Winter Creek Trail, above San Olene Canyon 747 Comment
  UCR256163  Rhamnus ilicifolia R. G. Swinney 2010-6-4 13031 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
  RSA304929  Rhamnus ilicifolia James R. Shevock 1970-5-8 195 Los Angeles San Gabriel Mts. 534 Comment
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Oct 16 2014
  SBBG39126  Rhamnus pirifolia M. Van Rensselaer 1937-7-1 Los Angeles Santa Catalina Island Comment
  LA62891  Rhus aromatica Louis Wheeler; 1932-4-9 578 Los Angeles Kings Canyon, near Elizabeth Lake 1036 Comment
  CAS-BOT-BC170462  Rhus integrifolia Brandegee s.n. Los Angeles Catalina Island Comment
  RSA190974  Rhus integrifolia R. F. Thorne, Reed Rollins, Doug Propst, R. Carolin 1967-3-18 36739 Los Angeles Santa Catalina Island. Wild Boar Gully, ca. 1 mi. WNW of Salta Verde Point 198 Comment
  RSA600438  Rhus integrifolia L. C. Wheeler 1933-6-17 1862 Los Angeles Claremont 365 Comment
  SBBG95272  Rhus integrifolia M. B. Dunkle 1928-3-31 1803 Los Angeles Cottonwood Cyn 152 Comment
  SBBG95409  Rhus integrifolia M. B. Dunkle 1928-3-4 1718 Los Angeles Orizaba Cyn 243 Comment
  SD90475  Rhus integrifolia Robert F. Thorne 1973-4-11 42855 Los Angeles Middle portion of Norton Canyon, San Clemente Island Comment
  RSA0062682  Rhus laurina Matt Bogdanoff 1981-5-31 43 Los Angeles Big Dalton Canyon Road, 0.7 mi E of junction with Glendora Mountain Road, N of Glendora. 365 Comment
  CAS-BOT-BC167963  Rhus ovata Grant 1902-5-16 4557 Los Angeles Eagle Rock near Pasadena Comment
  POM201730  Rhus ovata L. C. Wheeler 1931-11-11 341 Los Angeles 2 mi. SW Girard. 427 Comment
  RSA0092556  Rhus ovata Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14330 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  UCR100059  Rhus ovata R. G. Swinney 1967-4-5 329 Los Angeles San Gabriel Mtns,, c. 300 yds north of Hwy 66 in Irwindale, c. 500 yds east of the San Gabriel River Channel Comment
  UCR172778  Rhus ovata Wayne Law, Jun Hu 2000-4-30 07 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCR200141  Rhus ovata Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 807 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 549 Comment
  UCR271588  Rhus ovata R. G. Swinney 2011-11-3 15995 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  SD143856  Ribes aureum Scott D. White 1997-2-2 4664 Los Angeles San Dimas/Pomona Area; Near Bonelli Regional Park, just NW of Puddingstone Reservoir, San Dimas Ave., and E of the I-210 Freeway. On fill slope below (N of) San Dimas Ave. 244 Comment
  CAS-BOT-BC92443  Ribes aureum var. gracillimum L. Street 1919-3-16 2399 Los Angeles Lone Hill. Comment
  CAS-BOT-BC92457  Ribes aureum var. gracillimum Antone Blazic 1923-3-5 31 Los Angeles Los Angeles. Comment
  POM48022  Ribes aureum var. gracillimum Alice Eastwood 1904-3-15 6390 Los Angeles Glendora. Comment
  RSA127912  Ribes aureum var. gracillimum Peter H. Raven 1959-3-1 13827 Los Angeles Griffith Park, north of junction of Vista del Valle Drive with Hollywood Drive. 396 Comment
  RSA476428  Ribes aureum var. gracillimum E. S. Spalding 1923-3-21 s.n. Los Angeles Exposition park, Los Angeles Comment
  SDSU14342  Ribes aureum var. gracillimum John Viggiano 2003-4-3 29 Los Angeles 1South Hills Park, Glendora. /2 mile North along trail behind restroom, in a clearing. 290 Comment
  CAS-BOT-BC93084  Ribes californicum var. hesperium Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canon [Canyon] (near Monrovia). Comment
  JEPS26543  Ribes californicum var. hesperium Peter Kamb 1948-1-10 747 Los Angeles Millards Canyon San Gabriel Mts. 762 Comment
  UC1127394  Ribes californicum var. hesperium R. St. John 1933-2-7 330 Los Angeles Head of Towley Canyon, Plot #13 Santa Susana Quadrangle Comment
  UCR25493  Ribes divaricatum var. parishii Brian C. Miller 1963-3-9 s.n. Los Angeles Whittier Narrows, San Gabriel River, Pico Rivera 122 Comment
  SD237464  Ribes indecorum R. G. Swinney, Jane Strong 2009-4-7 10305 Los Angeles Transverse Range; San Gabriel Mountains Foothills: San Antonio Canyon, 2.4 miles N of Shinn Road (Mt Baldy 7.5'Q) 1073 Comment
  CAS-BOT-BC173409  Ribes malvaceum L. R. Abrams 1901-4-1 1313 Los Angeles Santa Monica Mountains Comment
  RSA27109  Ribes malvaceum Roxana S. Ferris 1941-3-10 10324 Los Angeles Ridge west of US Hwy 99, near Pico Canyon road, Santa Susana Mtns. 473 Comment
  UCR182256  Ribes malvaceum R. G. Swinney, Dave Larson 1998-4-26 6043 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  UCSB17129  Ribes malvaceum var. malvaceum Vernand, Ramona 1963-3-15 Los Angeles 36 miles northwest of Santa Monica via U.S. Highway 101 alternate; 1.5 miles north on Decker Canyon Road Comment
  CAS-BOT-BC219186  Ribes nevadense Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Valley Comment
  UCR276730  Ribes roezlii R. G. Swinney 2010-9-21 13852 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  CAS-BOT-BC186163  Ribes roezlii var. roezlii Le Roy Abrams; E. A. McGregor 1908-7-3 606 Los Angeles North Baldy Mountain, San Gabriel Mountains 2590 Comment
  RSA0087035  Robinia pseudoacacia R. G. Swinney 2010-4-1 12148 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
  CSUSB500  Rorippa nasturtium-aquaticum John Milbauer 1976-5-15 S. N. Los Angeles Santa Monica Mountains Santa Monica Mountains, Old Topanga Canyon road Comment
  RSA0092463  Rosa californica R. G. Swinney 2011-6-23 15281 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  RSA449697  Rosa californica M. B. Dunkle 1928-10-7 1991 Los Angeles Santa Catalina Island, Middle Ranch Gorge Comment
  CATA2965  Rubus armeniacus Charlie de la Rosa 2011-5-10 Los Angeles Santa Catalina Island: Sweetwater Canyon 260 Comment
  CAS-BOT-BC158707  Rubus ulmifolius Louis C. Wheeler 1969-12-22 s.n. Los Angeles Big Santa Anita Canyon at Winter Creek - San Gabriel Mountains 548 Comment
  JEPS44765  Rubus ursinus Frank W. Peirson 1919-4-19 380 Los Angeles Pacoima Canyon San Gabriel Mts., Pacoima Canyon 609 Comment
  RSA578643  Rubus ursinus Tim S. Ross 1994-4-28 7567 Los Angeles 'Cottonwood Swamp' confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain 512 Comment
  CAS-BOT-BC421880  Rumex acetosella Tim Ross; Walter Appleby 1993-5-14 7144 Los Angeles Western San Gabriel Mtns: between May Canyon Saddle and May Peak [3948'] 1146 Comment
  JEPS39882  Rumex conglomeratus Frank W. Peirson 1919-6-5 463 Los Angeles San Antonio Canyon San Gabriel Mountains 1310 Comment
  RSA0082586  Rumex crispus R. G. Swinney 2010-6-4 12997 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  CAS-BOT-BC433577  Rumex hymenosepalus Geo. B. Grant 1897-12-19 s.n. Los Angeles Covina Comment
  POM244917  Rumex salicifolius F. R. Fosberg 1931-4-29 S 4708 Los Angeles Santa Catalina Island. Mouth of Cottonwood Canyon. 3 Comment
  UCR129500  Rumex salicifolius A. C. Sanders, Mark Elvin 2002-6-20 25221 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
  UCR143198  Rumex salicifolius F. R. Fosberg 1931-5-6 S- 4794 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 280 Comment
  RSA0104976  Rumex salicifolius Steven A. Junak 1999-7-16 SCa- 1050 Los Angeles Santa Catalina Island. Lower part of Cottonwood Canyon, just upstream from road to Ben Weston Beach. 31 Comment
  LA200488  Rupertia physodes O. A. Plunkett; 1932-5-18 sn Los Angeles Santa Monica Mountains, Stone Canyon Comment
  RSA177759  Ruppia maritima Robert F. Thorne, Percy C. Everett 1965-5-11 34640 Los Angeles Santa Catalina Island, Little Harbor. 2 Comment
  RSA258412  Sagina decumbens subsp. occidentalis C. W. Tilforth 1974-4-22 962 Los Angeles R.S.A.B.G. Found only in pots in greenhouse and lathhouse. Comment
  RSA0055074  Salazaria mexicana James R. Shevock 1972-4-25 1589 Los Angeles Sierra Highway, near Palmdale. 967 Comment
  RSA213406  Salicornia virginica M. B. Dunkle 1940-8-21 7652 Los Angeles Sea cliff, middle of San Clemente Island. Comment
  RSA511015  Salicornia virginica R. F. Thorne 1973-4-12 42930 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  CAS-BOT-BC108063  Salix exigua Timothy S. Ross; Steve Boyd 1994-5-10 7713 Los Angeles Warm Srpings Canyon - Spring (un-named, but marked on topo map) along Warm Springs - Fish Canyon Truck Trail (6N32); ca 2160 m NNW of Warm Springs Mtn. summit. Warm Springs 7.5' USGS Quadrangle 804 Comment
  LA52087  Salix exigua Carl Hedin; Joseph Ewan 1932-4-22 7630 Los Angeles SANTA MONICA MOUNTAINS, 4 hectometers E of Radford Dr. Los Angeles River. Comment
  POM360987  Salix exigua Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  RSA618588  Salix exigua Louis C. Wheeler 1973-4-20 s.n. Los Angeles Western Mojave Desert: Antelope Valley. Vicinity of Una Lake, San Andreas Rift Zone. 854 Comment
  UCR125257  Salix exigua A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25495 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  RSA0038289  Salix exigua Carl W. Sharsmith 1932-1-17 13 Los Angeles Bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa., In gravelly alluvium. Upper Sonoran Zone. 300 Comment
  LA103425  Salix laevigata Barry A. Prigge; 1986-3-20 6960 Los Angeles Santa Monica Mountains, Medea Creek, just N of Paramount Ranch State Park 231 Comment
  POM362610  Salix laevigata Robert Gustafson 1981-2-4 2099 Los Angeles Area 1, Ballona Wetlands. Comment
  RSA703550  Salix laevigata Gary D. Wallace, Ann Hiller 1983-5-18 2067 Los Angeles Dirt road W of Mt. Emma Rd. Comment
  RSA771570  Salix laevigata R. G. Swinney 2009-5-6 10657 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UC506441  Salix laevigata Carl Hedin and Joseph Ewan 1932-5-10 7659 Los Angeles Fernbrook Place Verdugo Canyon Comment
  RSA92702  Salix laevigata F. W. Peirson 1923-5-27 9609 Los Angeles Pallett Creek, north slope of San Gabriel Mountains 1098 Comment
  CAS-BOT-BC128132  Salix lasiandra var. lasiandra Carl W. Sharsmith 1932-1-17 12 Los Angeles At bottom of Lower San Gabriel Canyon, about 11 km. above Azusa 300 Comment
  CATA3193  Salix lasiolepis Julia Parish, Margie Pfeffer 2016-8-18 005 Los Angeles Santa Catalina Island: Up drainage on south side of West End Rd., about 60 meters west of junction with Parsons Landing Rd. 68 Comment
  RSA729943  Salix lasiolepis R. G. Swinney 1999-6-18 7299 Los Angeles Big John Flat, SE end along canyon bottom of east of fork of Boulder Canyon. 1732 Comment
  UC492421  Salix lasiolepis Carl W. Sharsmith 1932-2-14 10 Los Angeles ca. 9.5 km. above Azusa; Lower San Gabriel Canyon 300 Comment
  UC506409  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-2-16 7660 Los Angeles at Colina Dr. Verdugo Canyon Comment
  UC506414  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-5-19 7664 Los Angeles Ballona Marshes Ballona Creek (Area 4, Tree 3) Comment
  UC506420  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-11 7667 Los Angeles Ballona Creek at Ballona Marshes (back of dike); Ballona Creek at Ballona Marshes Comment
  SEINET12512726  Salix lasiolepis Unknown 1896-1 s.n. Los Angeles Avalon, Santa Catalina Island;Channel Islands;;; Comment
  CAS-BOT-BC126289  Salix sessilifolia L. A. Greata 1900-9-1 s.n. Los Angeles Los Angeles Comment
  UCR207626  Salpichroa origanifolia O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  SD230207  Salsola paulsenii Louis C. Wheeler 1973-6-8 Los Angeles Los Angeles: SE of Alameda St. & San Diego (405) Fwy, between Sepulveda Blvd. & 233rd St. (L.A. Harbor Dept., Classification Yard, E of Dominguez Flood Control Channel) Comment
  RSA444922  Salsola tragus G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Del Rey Palisades. Comment
  UC2027711  Saltugilia splendens subsp. grantii Anuja Parikh with Nathan Gale 2011-6-24 3502 Los Angeles TR, SnGb,S of Iron Mountains, 1.5 km E of Angeles Forest Highway, 0.9 km S of Monte Cristo Creek. Comment
  UC907849  Saltugilia splendens subsp. grantii Herbert L. Mason 1927-6-11 3753 Los Angeles San Antonio Canyon San Gabriel Mountains, San Antonio Canyon 914 Comment
  UCR271171  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-8 15500 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA71829  Saltugilia splendens subsp. splendens F. W. Peirson 1925-4-23 5785 Los Angeles Forks of San Gabriel River. 534 Comment
  RSA145216  Salvia apiana Alice Ann Webb, R. Heald 1961-3-21 791 Los Angeles Johnson's Pasture, Claremont. San Gabriel Mt. Range, San Gabriel drainage area. 457 Comment
  RSA145220  Salvia apiana Alice Ann Webb 1961-3-17 784 Los Angeles End of Indian Hill (N.), where bulldozers were messing around, Claremont. Mt. Range - San Gabriel. 457 Comment
  RSA294795  Salvia apiana Lyman Benson 1946-5-13 12088 Los Angeles Midway between Pomona and Brea. Pacific Slope Drainage Area, Puente Hills. 274 Comment
  RSA401631B  Salvia apiana William Emboden 1970-6-12 43 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA9744  Salvia apiana Louis C. Wheeler 1932-5-21 725 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  UCR259771  Salvia apiana R. G. Swinney 2010-4-28 12393 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
  UCR65229  Salvia apiana F. R. Fosberg 1931-5-6 S- 04808 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 280 Comment
  RSA716222  Salvia carduacea Andrea Edwards, Pam DeVries 2006-4-11 76 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  PASA470  Salvia carnosa 4/28 Los Angeles near Palmdale Comment
  LA200610  Salvia columbariae Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA401451B  Salvia columbariae N. C. Cooper 1948-4-21 2665 Los Angeles Littlerock. 762 Comment
  RSA569936  Salvia columbariae Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4844 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA580701  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-5-25 7908 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  RSA668667  Salvia columbariae Steve Boyd, LeRoy Gross 2002-5-7 10434 Los Angeles Del Sur Ridge, upper Haskel Canyon drainage, west of Bouquet Canyon, southward from the Coarse Gold Road (5N24). 610 Comment
  UCSB9267  Salvia dorrii var. dorrii Wedberg, H. 1957-4-19 Los Angeles 0.5 mi E Pearblossom 914 Comment
  RSA776323  Salvia dorrii var. pilosa R. G. Swinney 2009-4-29 10612 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  SD121490  Salvia dorrii var. pilosa Barbara Ertter, Jeffrey Strachan 1980-5-18 3443 Los Angeles Forest Road 4N11 along Big Rock Creek just south of junction with Big Pines Highway ( Forest Road 4N06) 0.5 mile north of Angeles NF, ca. 1.5 miles southeast of Valyermo. 1219 Comment
  CAS-BOT-BC233655  Salvia leucophylla Vernon O. Bailey 1907-10-29 s.n. Los Angeles Santa Monica Mountains Comment
  CAS-BOT-BC233660  Salvia leucophylla Tim Ross 1992-6-15 6571 Los Angeles S-draining tributary of Turnbull Canyon, Whittier Hills (local name for the western extremity of the Puente Hills) 237 Comment
  IRVC28985  Salvia leucophylla A. C. Sanders 2003-6-19 26972 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  LA105977  Salvia leucophylla Barry A. Prigge; 1988-7-3 8189 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA0115310  Salvia leucophylla R. G. Swinney 2010-5-25 12906 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA446321  Salvia leucophylla Bonnie C. Templeton 1934-6-17 1091 Los Angeles Franklin Canyon, north of Beverly Hills. Comment
  UCR126860  Salvia leucophylla A. C. Sanders 2003-4-29 26174 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  SEINET12273160  Salvia leucophylla Unknown 1933-1 8490 Los Angeles Near Los Angeles Comment
  RSA547801  Salvia mellifera Tim S. Ross, Peter Fritsch 1990-6-20 3601 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel River; ranging from stream bottom to slopes. 445 Comment
  RSA580062  Salvia mellifera Louis C. Wheeler 1933-5-1 1676 Los Angeles Santa Monica Mountains, Rustic Canyon 61 Comment
  SBBG119544  Salvia mellifera A. C. Sanders 2003-3-14 25763 Los Angeles boundary of Irwindale and Azusa, E of Irwindale Ave, S of Interstate 210 (which bisects pit) and N of Santa Fe Railroad, E of the San Gabriel River channel 520 Comment
  UCR124735  Sambucus mexicana B. C. Templeton 1932-7-21 5024 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SEINET13710412  Sambucus mexicana J. Adams, J. Adams (Botany) 1963-1 30 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  SBBG69482  Sambucus nigra subsp. caerulea R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SBBG95262  Sambucus nigra subsp. caerulea M. B. Dunkle 1928-5-28 1984 Los Angeles Avalon Cyn 38 Comment
  LA82085  Sambucus nigra subsp. canadensis O. H. Kappler; 1940-5-31 40 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CATA989  Sanicula arguta Mark L. Hoefs 1994-5-21 1863 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  LA32910  Sanicula arguta Louis C. Wheeler; Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  UCR193474  Sanicula bipinnatifida Dan S. Cooper 2008-3-20 s.n. Los Angeles Los Angeles Basin, clay patch on Peterson Ave. east of Harriman Ave., southwestern South Pasadena 199 Comment
  SFV16838  Sanicula crassicaulis J. D. Dilley 1997-3-29 149 Los Angeles Santa Monica Mountains Studio City. Beatty Dearing Trail, beginning on Mulholland Drive, 0.5 miles west of Laurel Canyon. 245 Comment
  UC450876  Sarcostemma cynanchoides subsp. hartwegii Fay A. MacFadden 1931-3-29 18 E Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon 335 Comment
  UC75127  Sarcostemma cynanchoides subsp. hartwegii C. F. Baker 1903-8-5 3676 Los Angeles Claremont Comment
  SEINET3158952  Sarcostemma cynanchoides var. hartwegii G. B. Grant 972 Los Angeles Covina Comment
  UC1369830  Satureja douglasii Robert F. Thorne and D. Propst 1968-5-28 37647 Los Angeles Middle Bulrush Canyon Santa Catalina Island 243 Comment
  RSA458889  Saxifraga californica Louis C. Wheeler 1932-3-10 468 Los Angeles Big Dalton Canyon, San Gabriel Mountains 427 Comment
  RSA302164  Schinus molle J. R. Shevock 1972-9-16 2256 Los Angeles Malibu Canyon, N-1 Rd. Comment
  RSA586540  Schismus arabicus Timothy S. Ross 1991-4-28 4743 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA0081303  Schismus barbatus R. G. Swinney 2010-3-24 12075 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA563505  Schismus barbatus Timothy S. Ross 1993-5-13 7123 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  SD90231  Schoenoplectus acutus var. occidentalis Benjamin C. Stone May 1954 504 Los Angeles Streamside, Carbon Canyon, near Pomona. 395 Comment
  RSA366048  Schoenoplectus americanus Louis Greata 1900-9-2 s.n. Los Angeles Near Ballona. Comment
  UCR101731  Schoenoplectus californicus L. C. Wheeler 1946-7-28 6221 Los Angeles Los Angeles Basin region; San Gabriel Valley, Rio Hondo, 0.25 mi north of San Gabriel Blvd. 58 Comment
  SFV12569  Scirpus acutus var. occidentalis M. H. Grayum 1977-11-24 876 Los Angeles San Fernando Valley Sepulveda Basin. Along Los Angeles River, between dam and Burbank Blvd. 207 Comment
  RSA647906  Scirpus microcarpus LeRoy Gross, Wayne Law 2000-8-8 255 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., Near N34 deg 16' 01.8'' W118 deg 22' 08.0 325 Comment
  SEINET7592478 Image available Scirpus microcarpus Louis C. Wheeler 1966-1 8950 Los Angeles San Gabriel Mountians; Colby Ranch 1097 Comment
  CAS-BOT-BC238495  Scrophularia villosa Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6960 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, lower Bouchette Canyon (draining northeastward to Johnsons Landing) 91 Comment
  POM19063  Scrophularia villosa Philip A. Munz 1923-4-10 6703 Los Angeles San Clemente Island: canyon-wall, south of 'Lemon Tank'; east coast Comment
  UC1234694  Scrophularia villosa Peter H. Raven 1962-5-10 17711 Los Angeles n Thirst; San Clemente Isl 304 Comment
  LA33908  Scutellaria tuberosa Henry J. Thompson; 1959-4-19 1948 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  LA52366  Scutellaria tuberosa Ernest Braunton; 1902-4-13 198 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  CAS-BOT-BC63900  Sedum spathulifolium Timothy S. Ross 1994-5-11 7831 Los Angeles Elizabeth Lake Canyon. Dogleg bend in canyon between influxes of Warm Springs Canyon & Ruby Canyon. 627 Comment
  RSA0083644  Sedum spathulifolium F. W. Peirson 1921-6-21 2472 Los Angeles West Fork of San Gabriel River. 686 Comment
  RSA636133  Selaginella asprella Louis Cutter Wheeler 1951-4-7 8548 Los Angeles San Gabriel Mountains: Mount Deception,[0.6] mile near Mount Disappointment. 1764 Comment
  RSA683756  Selaginella bigelovii Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon Comment
  POM305565  Senecio flaccidus var. douglasii Henry J. Ramsey, Ramsey 1940-9-12 788 Los Angeles San Gabriel Wash, between Monrovia and Irwindale Comment
  RSA444576  Senecio flaccidus var. douglasii B. Roy 1987-10-9 10- 9 -87/4 Los Angeles 2 miles S of Mt. Baldy Village, opposite turnout N. of the northernmost tunnel. 1037 Comment
  UC1586207  Senecio flaccidus var. douglasii Tim Ross 1991-8-16 5800 Los Angeles n Pasadena (Woodwardia Canyon); Condor Peak Quad., San Gabriel Mountains, Woodwardia Canyon 818 Comment
  UCR210010  Senecio flaccidus var. douglasii R. G. Swinney 2008-10-7 9464 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  CATA390  Senecio lyonii Mark L. Hoefs 1974-5-2 456 Los Angeles Santa Catalina Island: By road to Isthmus, south of buffalo corrals 213 Comment
  POM257574  Senecio lyonii C. B. Wolf 1932-5-14 3630 Los Angeles Between Avalon and Pebbly Beach, Santa Catalina Island. 30 Comment
  RSA473039  Senecio lyonii F. H. Elmore 1939-2-18 399 Los Angeles San Clemente Island. Comment
  SEINET4015256 Image available Senecio lyonii M. B. Dunkle 1939-1 7203 Los Angeles SE point, San Clemente Island. Comment
  RSA675874  Senecio vulgaris LeRoy Gross 2003-3-9 784 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  SFV15329  Senecio vulgaris J. C. Dittes, D. Stolp 1990-3-10 43 Los Angeles San Gabriel Mountains Small, roadside gully off of Big Tujunga Canyon Road, 3.5 miles east of Angeles Forest Highway turnoff. Gully leads to reservoir. 762 Comment
  UCR220085  Senna Fred M. Roberts, Ian Cain, Chezzy W. Brungraber 2010-5-3 7294 Los Angeles Los Angeles Basin, Montebello Hills, oil field above Sycamore Canyon and North Montebello Blvd, 0.6 km southeast of Paramount Blvd Bridge over Pomona Fwy 138 Comment
  RSA584498  Setaria parviflora Timothy S. Ross 1992-5-24 6401 Los Angeles W margin of Hwy 39, and on disturbed slope descending into Brown's Gulch. 479 Comment
  SBBG59135  Setaria viridis R. Hoffmann 1927-9-21 Los Angeles 5 mi W of Castaic Comment
  UCSB470  Setaria viridis B., K. 1943-6-18 Los Angeles Lysimeter plots, Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mountains 822 Comment
  UCR131596  Sherardia arvensis L. C. Wheeler 1934-4-28 2577 Los Angeles San Gabriel Valley, La Verne 305 Comment
  CAS-BOT-BC384482  Silene antirrhina A. C. Sanders; Helen Kennedy 2005-4-13 29420 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC387020  Silene gallica A. C. Sanders; Dan S. Cooper 2010-3-12 37321 Los Angeles South Coast: Madrona Marsh, Torrance 24 Comment
  RSA4825  Silene gallica James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  UC1215142  Silene gallica Peter H. Raven 1962-4-10 17184 Los Angeles above Wilson Cove; San Clemente Island, above Wilson Cove 60 Comment
  RSA0030915  Silene gallica Norman C. Cooper 1944-4-23 1162 Los Angeles Pomona. 243 Comment
  RSA439084  Silene gallica Anstruther Davidson 1918-06 3320 Los Angeles Exposition Park. Comment
  CAS-BOT-BC174891  Silene laciniata Wesley O. Griesel 1961-6-4 s.n. Los Angeles San Rafael Hills 609 Comment
  RSA477942  Silene laciniata subsp. major L. E. Hoffman 1929-6-10 s.n. Los Angeles Arroyo Seco, near Strawberry Peak. Comment
  RSA477914  Silene laciniata subsp. major Gus Gluechert 1937-5-3 s.n. Los Angeles Hills above Culver City. Comment
  RSA598265  Silene laciniata subsp. major R. G. Swinney 1989-5-17 s.n. Los Angeles in and near the city of Glendora. SW boundary of Glendora wilderness park along firebread adjacent to Bluebird Hill 396 Comment
  RSA763748  Silene lemmonii Orlando Mistretta, Christine Mistretta 2008-5-20 3138 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  UCR200158  Silene multinervia Valerie Soza, Laura A. Moore 2000-5-10 858 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  UCR209472  Silene verecunda R. G. Swinney 2008-7-3 9151 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  RSA529150  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd 1991-7-24 5635 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1902 Comment
  RSA729304  Silene verecunda subsp. platyota R. G. Swinney 1998-7-2 6211 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  CATA1446  Sinapis arvensis Mark L. Hoefs, Robert F. Thorne 1996-4-6 2610 Los Angeles Santa Catalina Island: Pebbly Beach 6 Comment
  CAS-BOT-BC74959  Sinapis arvensis P. A. Munz 1921-4-12 4407 Los Angeles Claremont. South of town. 365 Comment
  UCR189714  Sisymbrium altissimum R. G. Swinney 1998-7-10 6402 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA762451  Sisymbrium erysimoides R. G. Swinney 2009-2-20 10010 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR270372  Sisymbrium officinale John F. Emmel 2003-4-3 1776 Los Angeles Verdugo Mountains, hill 3077 NW of radio towers on high peak 915 Comment
  UCR282044  Sisymbrium officinale R. G. Swinney 2014-5-15 16538 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  RSA675864  Sisymbrium orientale LeRoy Gross 2003-3-7 768 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  SBBG109048  Sisymbrium orientale S. A. Junak 1996-5-29 SCl 537 Los Angeles lower portion of China Cyn, at bridge just upstream from mouth of cyn 6 Comment
  SFV7985  Sisymbrium orientale T. Gordon, M. H. Grayum, K. Felt 1976-5-7 1351 Los Angeles San Gabriel Mountains Knoll adjacent to lower Trail Canyon. 762 Comment
  UC1870254  Sisymbrium orientale LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 703 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. By power pole next to road and on nearby slopes 622 Comment
  RSA127837  Sisyrinchium bellum Peter H. Raven 1959-4-4 13968 Los Angeles Point Dume, Santa Monica Mountains. 15 Comment
  UCR124445  Sisyrinchium bellum I. W. Clokey, B. C. Templeton 1929-1 4542 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA0127217  Sisyrinchium bellum Louis C. Wheeler 1967-7-15 10064 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. Comment
  RSA0080782  Solanum douglasii R. G. Swinney 2010-4-15 12250 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary. 415 Comment
  SD90498  Solanum douglasii Robert F. Thorne 1966-4-16 36027 Los Angeles San Clemente Island: rocky slope above Wilson Cove, NE end of island 29 Comment
  UCR178946  Solanum douglasii R. G. Swinney 1968-3-18 224 Los Angeles San Gabriel Mtns., Big Dalton Canyon, 1.0 mi. east of Glendora Mtn. Road 427 Comment
  RSA572382  Solanum douglasii F. H. Elmore 1939-11-26 s.n. Los Angeles Wilson Cove, San Clemente Island. Comment
  SDSU11167  Solanum douglasii Gerald Collier 1951-3-22 M 455 Los Angeles Faculty Hill; 1/4 mile west of UCLA Campus, dense, shady hillside. Comment
  POM305770  Solanum elaeagnifolium Henry J. Ramsey, Henry J. Ramsey 1937-6-27 954 Los Angeles Old Ridge Route, Liebre Mts., Angeles National Forest Comment
  CDA35668  Solanum elaeagnifolium Michael O Brien 2011-7-11 Los Angeles White Oak Farm Unit of Malibu Creek State Park; along Las Virgenes Road. 0 Comment
  NY821419  Solanum nigrum L. Abrams 1902-5-31 2488 Los Angeles Inglewood Comment
  CAS-BOT-BC154691  Solanum umbelliferum E. C. Twisselmann 1964-6-10 9619 Los Angeles Fork at the head of Castaic Valley 1310 Comment
  RSA598140  Solanum umbelliferum Victor W. Steinmann 1995-5-8 662 Los Angeles Libre Mountains, along Bouquet Canyon Road, ca. 1.5 km (by road) N of the Texas Canyon Fire Station 600 Comment
  RSA654171  Solanum umbelliferum Marilyn Porter 1991-5-5 12 Los Angeles Upland at San Bernardino County line north from parking area at Shinn Road and Mount Baldy Road, followed abandoned road in flood plain. Start: (1/2) ? mile in. Stopped: (2)? miles. 670 Comment
  RSA748741  Solanum umbelliferum R. G. Swinney 2008-3-31 8585 Los Angeles Glendora Mountain summit 1003 Comment
  RSA0020563  Solanum umbelliferum G. Foster 1961-6-3 s.n. Los Angeles West Covina Comment
  UC26249  Solanum wallacei Blanche Trask Mar. 1890 Los Angeles Santa Catalina Island, Avalon Avalon; Santa Catalina Island, Avalon Comment
  CHSC3672  Solanum xanti Mary MacArthur 1966-5-26 36 Los Angeles Switzers Camp-San Gab. Mts. 914 Comment
  UCD127089  Solanum xanti Gerald Dickinson 1962-3-29 3 Los Angeles 7 miles W of Topanga Canyon Road. Mulholland Dr. Santa Monica Mountains. 356 Comment
  RSA473611  Solidago californica Fordyce Grinnell Jr. 1921-4-3 17782 Los Angeles Pacoima Canyon. Comment
  SBBG63042  Solidago confinis R. Hoffmann 1927-9-21 Los Angeles Gorman, Ridge Route (US Hwy 99) Comment
  UCR282136  Sonchus asper R. G. Swinney 2014-5-15 16534 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  RSA526562  Sonchus asper Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4247 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA474109  Sonchus oleraceus F. R. Fosberg 1931-4-1 S- 4437 Los Angeles Hamilton canyon, near Avalon, Santa Catalina Island, 70 Comment
  RSA688878  Sorghum halepense R. E. Riefner 2003-10-30 3 -465 Los Angeles City of Chino, Edison Avenue at magnolia Avenue 230 Comment
  LA33481  Spergula arvensis Peter H. Raven; 1959-4-4 13969 Los Angeles Santa Monica Mountains, Pt. Dume, just behind point 15 Comment
  RSA477984  Spergula arvensis Ora M. Clark 1929-1-13 1469 Los Angeles Los Angeles Comment
  SD48930  Spergularia macrotheca Reid Moran 1958-9-15 6856 Los Angeles San Clemente Island, 1.7 miles southeast of Eel Point. 99 Comment
  SD75609  Spergularia macrotheca M. B. Dunkle 1939-4-1 7205 Los Angeles San Clemente; north rocky slope, southeast point of island. Comment
  CAS-BOT-BC390263  Spergularia macrotheca var. leucantha Roxana S. Ferris 1918-6-12 916 Los Angeles Lancaster Comment
  CAS-BOT-BC235434  Sporobolus airoides A. D. E. Elmer 1902-6-1 3623 Los Angeles Lancaster Comment
  RSA164833  Stachys bullata Wesley O. Griesel 1963-5-22 786 Los Angeles Glen Oaks Blvd., San Rafael Hills, Glendale 305 Comment
  SEINET3153402  Stachys californica L. Abrams 1902-6-16 2548 Los Angeles Sepulveda canyon, Santa Monica Mts. Comment
  SEINET3860008  Stanleya pinnata R. G. Swinney 2009-4-24 10433 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campground.; 0 915 Comment
  UCR126870  Stanleya pinnata A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26145 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, 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 518 Comment
  UCR98229  Stellaria media B. G. Pitzer 1996-4-27 2724 Los Angeles City of Signal Hill, Reservoir Park, on Wardlow Road between Orange Street & Walnut Street, east of Long Beach Blvd. Comment
  UCR216564  Stephanomeria Dan S. Cooper 2010-6-15 610- 64 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Drive west of Griffith Park 163 Comment
  CDA8850  Stephanomeria parryi E. Remmer 1958-4-24 Los Angeles Merridale Farms, northeast corner Avenue 2 & 67th Street, West Lancaster. 0 Comment
  JEPS36900  Stephanomeria pauciflora Donald H. Graham 1917-10-12 Los Angeles Lancaster Comment
  RSA128783  Stephanomeria virgata P. H. Raven, Henry J. Thompson 1958-10-11 13750 Los Angeles Santa Monica Mountains. Lat N 34 deg.; Long. 118 deg. to 119 W. Tuna Canyon Road 0.5 miles from Saddle Peak Road 518 Comment
  RSA474249  Stephanomeria virgata B. C. Templeton 1934-10-13 4809 Los Angeles Los Angeles River Comment
  JEPS26122  Stephanomeria virgata subsp. virgata Peter H. Raven 1958-9-28 13735 Los Angeles Elysian Park Santa Monica Mountains 198 Comment
  SBBG42906  Stephanomeria virgata subsp. virgata L. D. Gottlieb 1966-8-13 66157 Los Angeles 1 mi S of Crystal Lake; on St Hwy 39 1432 Comment
  UCR191514  Stipa R. G. Swinney 1998-7-8 6313 B Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  CATA924  Stipa pulchra Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1776 Los Angeles Santa Catalina Island: Open slope above Parson's Landing 213 Comment
  UCR2801  Stipa pulchra F. M. Reed 1920-4-11 4303 Los Angeles [San Jose] Hills south of Covina 488 Comment
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May 1 2011
  UCR223233  Stipa speciosa R. G. Swinney 2009-5-20 10830 Los Angeles Transverse Range; San