Search Results — 2000 specimen records retrieved (1573 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0073303  Abies concolor Bonnie C. Templeton 1932-6-1 4867 Los Angeles Table Mountains, Big Pines Park, San Gabriel Mts. Comment
  RSA460953  Abronia pogonantha N. C. Cooper 1949-5-16 3656 Los Angeles Lancaster 718 Comment
  SEINET3133938  Abronia umbellata L. Abrams 1902-6-9 2494 Los Angeles Playa del Rey Comment
  UC557643  Abronia umbellata Nell Murbarger April, 1936 144 Los Angeles San Clemente Island Comment
  SD95174  Abronia umbellata Mindy Kilpatrick 1972-5-21 29 Los Angeles El Segundo-Manhattan Beach sand dunes, 0.5-1.0 mile from ocean. Comment
  LA28404  Abronia umbellata subsp. umbellata Harlan Lewis; 1940-4-3 1269 Los Angeles Santa Monica Mountains, 10 mi. N [W] of Malibu Beach 1 Comment
  RSA659155  Acacia longifolia Scarlett Mellin 1994-5-28 27 Los Angeles Diamond Bar Hills; Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive. Comment
  LA212322  Acacia podalyriifolia Jack Pepper; 1953-2-10 s.n. Los Angeles SAN FERNANDO VALLEY, Comment
  POM184685  Acer macrophyllum Joseph A. Ewan 1932-6-17 7361 Los Angeles San Gabriel Mountains. Upper Arroyo Seco. Upper Sonoran zone. Fine trees along stream with sycamores. 1098 Comment
  POM306284  Acer macrophyllum Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1394 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA0022367  Acer macrophyllum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5125 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA755841  Acer macrophyllum R. G. Swinney 2008-7-2 9108 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 and Old Hwy 39 1878 Comment
Read comments
Sep 21 2010
  SEINET4068103 Image available Acer macrophyllum R. Gustafson 1977-1 402 Los Angeles Off Angeles Crest Highway, about 5 miles from the junction with Foothill Blvd., San Gabriel Mountains. Comment
  UCR256621  Acer macrophyllum R. G. Swinney 2010-8-16 13535 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA407714  Achillea millefolium O. R. Dorado, A. Liston, K. Tan 1987-6-10 1690 Los Angeles San Gabriel Mtns. Near Rincon Ranger Station. 762 Comment
  RSA584484  Achillea millefolium T. S. Ross 1992-5-24 6415 Los Angeles Brown's Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  RSA0048476  Achillea millefolium Lee Haines 1935-7-4 s.n. Los Angeles San Dimas Lookout, San Gabriel Mountains. Comment
  RSA91729  Achnatherum coronatum F. W. Peirson 1918-6-10 1583 Los Angeles E trail to Mt Low, San Gabriel Mts 915 Comment
  RSA772419  Achnatherum speciosum R. G. Swinney 2009-5-12 10732 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  SBBG67341  Acmispon americanus M. N. Ackley 1927-5-29 538 Los Angeles Mulholland Drive 281 Comment
  SBBG16967  Acmispon americanus M. Vincent 1962-7-5 269 Los Angeles 0.5 mi W of Topanga Cyn Blvd on Old Topanga Cyn Rd Comment
  CAS-BOT-BC204776  Acmispon argophyllus var. argenteus L. E. Cox 1908-3-31 s.n. Los Angeles Catalina Island Comment
  CAS-BOT-BC213455  Acmispon argophyllus var. argophyllus Charles Piper Smith 1914-6-21 2867 Los Angeles Mt. Willson - Sierra Madre Trail Comment
  SD39821  Acmispon glaber Edith A. Purer 1931-2-21 93 Los Angeles El Segundo, sand dunes Comment
  RSA0117594  Acmispon glaber var. glaber A. C. Sanders 2008-4-17 34917 Los Angeles Transverse Range: 1.5 mile SW of Neenach School, c. 0.75 mi. SW of VABM Pine, south of peak 3413. 1012 Comment
  RSA0015846  Acmispon heermannii var. heermannii LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6202 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  UCR271597  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-19 14761 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
Read comments
Aug 31 2017
  CATA1621  Acmispon maritimus Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2894 Los Angeles Santa Catalina Island: Near Divide Road, east end, 1.8 miles from Wrigley Memorial 341 Comment
  SD262277  Acmispon maritimus R. G. Swinney 2014-5-8 16476 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
  CHSC13866  Acmispon strigosus L. M. Mayer 1974-4-5 131 Los Angeles Big Tujunga Canyon Rd. 1 mi E of intersection with Mt. Gleason Blvd. 1 1/2 mi. from Tjunga. Comment
  SD181518  Acmispon wrangelianus Louis C. Wheeler 1968-4-13 Los Angeles San Gabriel Mountains, saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  SBBG131910  Acourtia microcephala S. A. Junak 2000-6-30 SCa 1360 Los Angeles just E of Middle Ranch Rd, ca. 1.1 mi from intersection with Airport Rd 289 Comment
  LA31697  Acroptilon repens Henry J. Thompson; 1959-10-31 14731 Los Angeles Santa Monica Mountains, Pacific Palisades, Santa Monica, Pacific Palisades 45 Comment
  CAS-BOT-BC133177  Adenostoma fasciculatum Timothy S. Ross; J. Mark Porter 1995-5-4 8423 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road; Liebre Mountains 585 Comment
  CAS-BOT-BC133178  Adenostoma fasciculatum Tim Ross; Steve Boyd 1993-5-23 7296 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons; Liebre Mountains 963 Comment
  RSA390577  Adenostoma fasciculatum var. fasciculatum Betty Munson 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  RSA390580  Adenostoma fasciculatum var. fasciculatum A. M. Johnson 1933-5-20 4309 Los Angeles San Gabriel Mountains, Fish Canyon Wash, open flat, west of bridge, Foothill Boulevard. Comment
  RSA596054  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, J. Mark Porter 1995-5-4 8423 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA600135  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Lauren Raz 1997-5-28 9834 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
  UCR281311  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2014-5-8 16447 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
  UCSB41807  Adenostoma fasciculatum var. fasciculatum Ley, George 1971-6-8 Los Angeles San Gabriel Mts., Morris Res. area, from Hwy 39 to approx. 1 mi into Islip Canyon along stream. 609 Comment
  UC811102  Adiantum capillus-veneris F. R. Fosberg 1931-7-13 R 112 Los Angeles near Avalon (Hamilton Canyon); Santa Catalina Isl 60 Comment
  LA200054  Adiantum jordanii Lawrence L. Kiefer; 1966-3-12 1672 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi E of junction with Hwy 23 on Encinal Canyon Rd. 365 Comment
  RSA765312  Ageratina adenophora Doris Bowers 1957-3-24 936 Los Angeles Millard's Canyon N/o Altadena 1220 Comment
  RSA597813  Ageratina adenophora Louis C. Wheeler 1969-4-19 s.n. Los Angeles Pasadena. On west side of Pasadena Freeway at Sycamore Grove Park. Comment
  RSA639735  Ageratina adenophora Louis C. Wheeler 1969-3-8 s.n. Los Angeles San Gabriel Mountains: Southwest mouth of San Gabriel Canyon, watered in summer. Comment
  RSA0101277  Agoseris retrorsa R. G. Swinney 2011-6-22 15262 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1780 Comment
  UCR190016  Agrostis R. G. Swinney 1998-10-3 7009 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  RSA156039  Agrostis exarata P. H. Raven 1962-5-21 17814 Los Angeles Santa Catalina Island: lower end of Bullrush Canyon 198 Comment
  RSA577546  Agrostis exarata L. C. Wheeler 1936-7-2 4202 Los Angeles Big Dalton Canyon 457 Comment
  RSA596131  Agrostis exarata Timothy S. Ross, Steve Boyd 1995-6-28 8633 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  UCD53073  Agrostis pallens Katharine Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  RSA640875  Agrostis scabra L. C. Wheeler 1967-8-8 10361 Los Angeles San Gabriel Mountains, Angeles National Forest: East Fork of Alder Creek at Chilao Flat 1555 Comment
  SD41980  Allium fimbriatum var. fimbriatum Darley F. Howe 1947-5-5 1531 Los Angeles Between Palmdale and Littlerock. Comment
  SBBG133130  Allium peninsulare S. A. Junak 1996-4-13 SCI- 309 Los Angeles 0.09 mi NW of Camera Pad "Malo", W of head of 3rd cyn S of Bryce Cyn, in small swale 365 Comment
Read comments
Aug 5 2019
  CAS-BOT-BC475403  Allium praecox Carl B. Wolf 1932-5-12 3583 Los Angeles Santa Catalina Island. 2 mi. from isthmus on road to little harbor 91 Comment
  RSA26660  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  RSA28454  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  UC1714455  Allophyllum gilioides subsp. gilioides Geo. B. Grant 1906-6-14 507 Los Angeles summit Mt. Wilson; S. California 1524 Comment
  RSA410073  Allophyllum glutinosum Fay A. MacFadden 1931-3-10 s.n. Los Angeles Tejunga Canyon. 427 Comment
  CDA37820  Alternanthera philoxeroides J. L. Johnson 1975-7-1 s.n. Los Angeles Rio Hondo Settling Basin. 0 Comment
  SEINET12876876 Image available Alternanthera philoxeroides Unknown 1965-9-23 14171 Los Angeles 0.2 mi. N. of flood gates of Whittier Narrows Dam, W. of Rosemead Blvd., E. bank of the Rio Hondo, just E. of Montebello. Comment
  SD8011  Amaranthus albus J. C. Nevin Unknown Los Angeles Los Angeles Comment
  RSA402959  Amaranthus albus E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  RSA763022  Amaranthus blitoides R. G. Swinney 2009-3-13 10110 -B Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel. 192 Comment
  RSA0048591  Amaranthus retroflexus Lee Haines 1948-7-6 s.n. Los Angeles Canoga Park. Comment
  POM155794  Amblyopappus pusillus M. B. Dunkle 1928-4-22 1886 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  SEINET4001595 Image available Amblyopappus pusillus M. B. Dunkle 1939-1 7268 Los Angeles China Point, San Clemente Island. Comment
  CAS-BOT-BC42854  Ambrosia acanthicarpa Cecil Hart 1921-7-1 10 Los Angeles Howard & Smith's nursery, Montebello Comment
  CAS-BOT-BC42897  Ambrosia acanthicarpa Ernest C. Twisselmann 1956-9-14 3167 Los Angeles Upper end of Castaic Valley 1188 Comment
  RSA607925  Ambrosia acanthicarpa L. C. Wheeler 1961-6-13 7878 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  JEPS30688  Ambrosia confertiflora Peter H. Raven 1961-10-8 16875 Los Angeles along n side of Sunset Boulevard just w of Alta Drive Beverly Hills Comment
  LA201524  Ambrosia psilostachya Arthur C. Gibson; 2003-8-11 4882 Los Angeles 7 Comment
  RSA573720  Amelanchier utahensis Tim S. Ross 1990-8-17 3172 Los Angeles S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2042 Comment
  SBBG131524  Ammannia coccinea S. A. Junak 1999-7-17 SCa 1062 Los Angeles NW side of Patrick Reservoir 411 Comment
  CAS-BOT-BC180605  Amorpha californica var. californica Alice Eastwood 1919-6-20 9046 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC180647  Amorpha californica var. californica Geo. B. Grant 1904-5-19 39 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC180648  Amorpha californica var. californica Geo. B. Grant 1904-5-19 39 Los Angeles Mt. Wilson Comment
  RSA415275  Amorpha californica var. californica Robert L. Dressler 1949-6-19 893 Los Angeles Johnstone Peak, San Gabriel Mountains. 854 Comment
  UC862264  Amorpha californica var. californica K. Kneen 1933-5-14 Los Angeles Topanga Canyon Comment
  SBBG128382  Amsinckia intermedia M. L. Hoefs 1991-4-7 1045 Los Angeles upper Avalon Cyn, above Wrigley Memorial and Garden, near rd to Divide 326 Comment
  SD52432  Amsinckia intermedia Benjamin C. Stone 1953-3-16 306 B Los Angeles San Jose-Puente Hills, South of Pomona on the Brea Canyon Road 245 Comment
  RSA717349  Amsinckia menziesii Scott D. White, Pam De Vries 2006-5-9 11405 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC881412  Amsinckia menziesii var. menziesii Louis C. Wheeler 1934-3-31 2495 Los Angeles La Verne 304 Comment
  IRVC27805  Amsinckia retrorsa A. C. Sanders, T. B. Salvato 2005-4-26 29753 Los Angeles Santa Clarita area; S of Plum Cyn at end of Canyon Crest Dr, NW of mouth of Mint Cyn. Western San Gabriel/Liebre Mtns Region 488 Comment
  UC881416  Amsinckia spectabilis F. R. Fosberg 1931-3-23 S 4329 Los Angeles Hamilton's Canyon; Santa Catalina Island 30 Comment
  SEINET5320904  Amsinckia tessellata Unknown 2002-3-25 6134 Los Angeles Antelope Valley; Along State Highway 138, 5.3 miles west of its junction with State Highway 14 720 Comment
  SFV9186  Amsinckia tessellata H. Wells 1968-3-30 14 Los Angeles Mojave Desert 3.1 miles north of junction of Palmdale Boulevard and State Highway 14 on State Highway 14. 1.4 miles west of junction of State Highway 14 and side road, on side road. Comment
  UCSB45405  Amsinckia tessellata Osburn, Rob 1979-3-25 Los Angeles West Antelope Valley - 70th St. and Ave. L 716 Comment
  UCR197735  Amsinckia tessellata var. tessellata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 36 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA587519  Amsinckia tessellata var. tessellata Orlando Mistretta 1994-4-29 1108 Los Angeles San Gabriel Mountains: Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N of Forest Road 4N20. 1372 Comment
  RSA535879  Anagallis arvensis Tim S. Ross 1991-9-1 5893 Los Angeles Santa Ana Mountains. Near Mulholland Highway x Yerba Buena Road. 427 Comment
  RSA570193  Ancistrocarphus filagineus Timothy S. Ross, Steve Boyd, L. Arnseth 1991-4-30 5029 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA0058203  Andropogon glomeratus Richard G. Swinney 2010-6-23 13370 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
  SEINET10511405  Andropogon glomeratus var. pumilus Moxley 1917-9-3 MOXLEY 632 Los Angeles Eaton Canyon. Comment
  UC54952  Anemopsis californica H. P. Chandler 1902-9-9 4038 Los Angeles Ballona Marsh Comment
  CAS-BOT-BC84663  Anthemis cotula Le Roy Abrams 1901-6-6 1732 Los Angeles Mesmer Comment
  UC891822  Anthemis cotula I. W. Clokey and B. C. Templeton 1936-5-18 5663 Los Angeles Puddingston Reservoir Comment
  LA200152  Anthemis cotula O. H. Kappler; 1943-5-23 465 Los Angeles Santa Monica Mountains, Trancas Canyon, West fork 518 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
  RSA660116  Antirrhinum coulterianum Orlando Mistretta 1992-6-12 557 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  LA32225  Antirrhinum multiflorum Peter H. Raven; Henry J. Thompson 1959-9-27 14551 Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Road, 1.0 mi E of Newton Canyon. 563 Comment
  RSA660248  Antirrhinum multiflorum Orlando Mistretta, Peter L. Morrell 1992-6-4 479 Los Angeles San Gabriel Mountains: Short Cut Canyon, OVH area. Arroyo District Comment
  UCR216453  Antirrhinum multiflorum Nolan M. Ung 2008-5-26 042 Los Angeles San Gabriel Mountains, San Antonio Canyon above Upland, south of Mt. Baldy Village at Angeles National Forest fire station, just north of Shinn Rd., near San Bernardino Co. line 762 Comment
  UCR78153  Antirrhinum multiflorum Wandalee Thompson 1964-7-8 59 Los Angeles Transverse Range; Liebre Mtns., Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  UC1587203  Antirrhinum nuttallianum subsp. subsessile Tim Ross 1991-5-22 5447 Los Angeles about 5300 ft n Eel Point, San Clemente Island (Spray [Point]); San Clemente Island Comment
  RSA682655  Apocynum cannabinum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1109 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
  UCR178175  Arabidopsis thaliana LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 729 Los Angeles Transverse Ranges: Verdugo Mountains, SW-trending ridge east of the Brand Canyon Cemetery and west of the land fill; lower part of Brand Park Motorway 307 Comment
  RSA776480  Arabis platysperma var. platysperma Jane Tirrell 2011-7-25 LS- 36 Los Angeles Along use trail from mile marker 66.36 on Highway 2 to Windy Gap. 2252 Comment
  RSA249816  Arabis pulchra R. F. Thorne, Gary D. Wallace 1973-4-25 43383 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  UCR172774  Arabis sparsiflora Wayne Law, Jun Hu 2000-4-30 08 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  PASA2349  Araucaria bidwillii Los Angeles PHS grounds, Pasadena Comment
  CLARK-A1528-1142  Arbutus menziesii Adelbert Lee Haines 1937-4-17 Los Angeles Santa Anita Canyon 548 Comment
  UCR95552  Arbutus menziesii L. C. Wheeler 1966-11-26 9157 Los Angeles San Gabriel Mtns., West Fork San Gabriel Canyon Drainage. Pine Mountain Truck Trail 915 Comment
  UCR141032  Arctostaphylos glandulosa June Latting, Ted Hanes, et al 1977-10-15 s.n. Los Angeles San Gabriel Mountains, fuelbreak below Chilao Flat, Angeles Crest 1659 Comment
  RSA626834  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22123 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA629073  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20301 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  CAS-BOT-BC23062  Arctostaphylos glandulosa subsp. mollis Mrs. Joseph Clemens 1922-5-30 s.n. Los Angeles Mt. Love Comment
  POM50609  Arctostaphylos glandulosa subsp. mollis L. R. Abrams 1901-4-15 1120 Los Angeles Wilsons Peak 1220 Comment
  POM8104  Arctostaphylos glandulosa subsp. mollis Geo L. Moxley 1919-9-1 713 Los Angeles Ridge 1/2 mile north of Mt. Hollywood, Griffith Park. Comment
  LA34182  Arctostaphylos glauca Peter H. Raven; 1959-2-23 13803 Los Angeles Santa Monica Mountains, Mulholland Dr 3.1 mi. E of Decker Road 548 Comment
  RSA631481  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15972 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631558  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22004 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 Comment
  RSA631613  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15857 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
  UC1745910  Arctostaphylos parryana Annetta M. Carter, Arthur Carter 1935-9-12 974 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  RSA634365  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20616 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634735  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20564 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634822  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22025 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634856  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20572 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634862  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20260 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA70824  Arctostaphylos patula F. W. Peirson 1918-6-17 143 Los Angeles summit of North Baldy 2743 Comment
  RSA748917  Arctostaphylos patula R. G. Swinney 2001-8-27 8094 Los Angeles Throop Peak, west of Mt. Baden-Powell. 2780 Comment
  UCR124730  Arenaria macradenia B. C. Templeton 1932-8-25 5081 Los Angeles San Gabriel Mtns., Table Mountain near Big Pines Park, Angeles National Forest 2091 Comment
  CAS-BOT-BC401600  Argemone albiflora Theodore Payne 1934-4-1 s.n. Los Angeles Stone Canyon, Santa Monica Mts. Comment
  UCR270675  Argemone munita R. G. Swinney 2011-5-24 14819 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  CAS-BOT-BC102139  Arida carnosa Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster Comment
  SD69502  Aristida adscensionis Robert F. Thorne 1966-4-7 35942 Los Angeles Santa Catalina Island, dry south-southeast-facing rocky slope at Cherry valley. 60 Comment
  UCR282670  Aristida adscensionis Dan S. Cooper 2017-4-13 417- 26 Los Angeles Cornell Corners, ridge east of Kanan Rd. & Cornell Rd. 283 Comment
  JEPS19511  Artemisia californica Peter H. Raven 1957-9-21 11330 Los Angeles nw end of campus UCLA campus; Los Angeles Comment
  LA200156  Artemisia californica Michael Neuman; November 1983 10 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon Comment
  UC1119313  Artemisia californica A. D. Gifford 1935-1-7 409 Los Angeles 6 1/2 mi ese Whitaker Peak; Tejon Quadrangle 518 Comment
  RSA628372  Artemisia californica Steven A. Junak 1997-10-20 SC 1 -968 Los Angeles San Clemente Island: E side of island, on coastal slopes just S of southernmost canyon in Bryce Canyon complex. 55 Comment
  SEINET11837820  Artemisia californica D. P. Reagan 5 Los Angeles Hasley Canyon. 2 mi NW of Valencia Comment
  RSA0029484  Artemisia douglasiana Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2986 Los Angeles Santa Catalina Island. Middle Ranch Reservoir. 189 Comment
  RSA729581  Artemisia dracunculus R. G. Swinney 1999-4-5 7061 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  SBBG62417  Artemisia dracunculus R. Hoffmann 1927-8-31 Los Angeles Mint Cyn Comment
  UC1745908  Artemisia dracunculus Annetta M. Carter, Arthur Carter 1935-9-11 970 Los Angeles Chilao Ranger Station at junction of Charleton Flats (Pine Flats) & Pacifico Road. San Gabriel Mtns. 457 Comment
  CAS-BOT-BC93700  Artemisia ludoviciana subsp. incompta C. B. Wolf 1931-10-23 2492 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  CAS-BOT-BC90810  Artemisia nesiotica Robert F. Thorne 1968-4-27 37508 Los Angeles Santa Barbara Island: plateau near headwaters of Middle Canyon 76 Comment
  UC1215232  Artemisia nesiotica Peter H. Raven 1962-7-11 18006 Los Angeles upper end of first canyon s of Lemon Tank; San Clemente Island Comment
  UCR279828  Artemisia spinescens Onkar Singh 2016-4-2 5694 Los Angeles Mojave Desert, Antelope Valley, 11 km NW of Lancaster, 200 m south of West Avenue F and 400 m west of 60th Street West 708 Comment
  UC892568  Artemisia suksdorfii Carl B. Wolf 1932-10-5 4233 Los Angeles 1 mi from Black Jack Mine (on road to Middle Ranch); Santa Catalina Island 274 Comment
  IRVC27302  Artemisia tridentata A. C. Sanders, Mark Elvin 2003-8-7 27161 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  CAS-BOT-BC97286  Artemisia tridentata subsp. parishii H. J. Thompson 1951-1-1 1425 Los Angeles On high banks above Santa Clara River, 2 mi. WNW of Saugus, along Saugus-Newhall Ranch cut off 304 Comment
  RSA596007  Artemisia tridentata subsp. parishii Timothy S. Ross, J. Mark Porter 1995-5-4 8434 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SFV21165  Artemisia tridentata subsp. vaseyana J. N. Hogue 2007-6-23 294 .1 Los Angeles San Gabriel Mountains Across Sulphur Springs Road from Angeles Crest Christian Camp. 1840 Comment
  SEINET181919  Artemisia vulgaris Unknown 1929-6-1 Los Angeles Los Angeles County: Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UC277071  Asclepias californica I. Johnston 1917-6-20 1266 Los Angeles Baldy Lookout of USFS San Antonio Mts. 2133 Comment
  POM155623  Asclepias curassavica M. L. Bryan 1928-7-28 17 Los Angeles Mandeville Canyon, near Santa Monica. 152 Comment
  SBBG5709  Asclepias erosa R. Hoffmann 1927-9-19 Los Angeles Neenach Comment
  LA30243  Asclepias fascicularis Mary V. Hood; 1941-9-6 41- 170 k* Los Angeles SANTA MONICA MOUNTAINS, Agoura, Ventura Blvd. 304 Comment
  UC22990  Asclepias fascicularis J. H. Barber 1897-7-2 237 Los Angeles Bear canyon Comment
  SBBG109025  Asphodelus fistulosus S. A. Junak 1996-5-17 SCl 481 Los Angeles NE end of island, E of airfield runways, at intersection of Perimeter Rd and rd to Dolphin Bay, just S of Camera Pad "Naddo" 57 Comment
  CHSC8346  Asplenium vespertinum Edward L. Smith 1957-2-20 330 Los Angeles Located in Upper Palmer Canyon, San Gabriel Mtns. 762 Comment
  RSA586453  Aster greatae Orlando Mistretta 1994-9-27 1502 Los Angeles San Gabriel Mountains; Little Rock Creek. SE (upstream) of confluence with Bare Mtn. Canyon. 1128 Comment
  POM4790  Aster subulatus var. ligulatus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  CAS-BOT-BC308950  Asteraceae J. H. Thomas 1957-4-27 6703 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume, 15 miles due west of Santa Monica 152 Comment
  POM50159  Astragalus didymocarpus var. didymocarpus L. R. Abrams 1901-4-4 1322 Los Angeles Chatsworth Park. Comment
  CAS-BOT-BC178346  Astragalus gambelianus Geo. B. Grant 1904-5-23 75 a Los Angeles Saugus Comment
  UC1349054  Astragalus gambelianus Robert F. Thorne 1966-4-28 36234 Los Angeles w-facing rocky bank near upper end Renton Mine Road in Pebbly Beach Canyon (Santa Catalina Island); , Pebbly Beach Canyon 259 Comment
  RSA612285  Astragalus gambelianus L. C. Wheeler 1934-5-14 2589 Los Angeles Mouth San Dimas Canyon, San Gabriel Mountains. 442 Comment
  SEINET3416673 Image available Astragalus leucopsis Edith A. Purer 1935-5-11 6548 Los Angeles Malibou Road, Santa Monica Mountains. Comment
  CAS-BOT-BC187571  Astragalus miguelensis Peter H. Raven 1962-4-11 17259 Los Angeles San Clemente Island. On sandy beach due west of Wall 2 6 Comment
  RSA151210B  Astragalus nevinii Peter H. Raven 1962-7-11 18007 Los Angeles 1 mile south of Wilson Cove, San Clemente Island Comment
  UC2025789  Astragalus trichopodus T. R. Huggins 2013-3-19 13 -018 Los Angeles Diamond Bar. On disturbed grassy hills adjacent to, and N of the 60 Fwy at its intersection with the 57 Fwy. Comment
  RSA415729  Astragalus trichopodus var. lonchus C. Epling 1931-5-2 s.n Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  CAS-BOT-BC199086  Astragalus trichopodus var. phoxus Louis C. Wheeler 1931-11-11 345 Los Angeles Topanga Canyon, Santa Monica Mts. 518 Comment
  SBBG18418  Astragalus trichopodus var. phoxus E. R. Blakley 1963-4-28 5609 Los Angeles Elizabeth Cyn, 4.5 mi NE of Hwy 99 396 Comment
  UC1128735  Astragalus trichopodus var. phoxus A. D. Gifford 1935-3-15 462 Los Angeles 4 1/2 mi sw Red Mtn.; Tejon Quad., Angeles National Forest, sw of Red Mtn. Comment
  RSA600558  Athyrium filix-femina L. C. Wheeler 1954-9-1 7074 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  POM257561  Atriplex californica C. B. Wolf 1932-5-12 3601 Los Angeles Santa Catalina Island: between Little Harbor and Cottonwood Creek. 46 Comment
  CAS-BOT-BC172640  Atriplex coulteri George B. Grant; Walter Wheeler 1904-4-21 2313 Los Angeles On Santa Catalina Island, at Isthmus, Pacific Ocean, off southern California, Comment
  IRVC28705  Atriplex lentiformis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25485 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  UC205258  Atriplex leucophylla J. Burtt Davy 1896-10-14 2733 Los Angeles Santa Monica Comment
  RSA478312  Atriplex leucophylla F. R. Fosberg 1930-7-7 S- 3172 Los Angeles Alamitos Bay 4 Comment
  CAS-BOT-BC176356  Atriplex parryi Roxana S. Ferris 1918-6-12 900 Los Angeles In desert road between Oban and Lancaster Comment
  SEINET4136263  Atriplex semibaccata Steve Boyd, L. Raz 1996-10-8 9021 Los Angeles Liebre Mountains region, rugged hills at eastern edge of Bouquet Canyon, south of Vasquez Canyon and northwest of Cruzan Mesa, along Vasquez Canyon Road, ca. 0.9 miles east of junction with Bouquet Canyon Road.; 0 524 Comment
  RSA453955  Atriplex semibaccata E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  SD66894  Atriplex semibaccata R. Mitchel Beauchamp 1967-3-17 251 Los Angeles San Clemente Island; slope east of Wilson Cove. Comment
  SD90487  Atriplex semibaccata Robert F. Thorne 1973-4-12 42898 Los Angeles San Clemente Island; China Point at end of road. 14 Comment
  SEINET3860089  Atriplex suberecta R. G. Swinney 2009-3-16 10128 Los Angeles San Gabriel Mtns. Foothills: Azusa, mouth of San Gabriel River Canyon, 400 m NW of River Bike Path parking lot at Hwy 39.; 0 227 Comment
  SBBG72601  Atriplex torreyi Weld 1931-11-15 Los Angeles Lancaster Comment
  RSA187777  Atriplex watsonii R. F. Thorne 1966-9-15 36690 Los Angeles Santa Catalina Island. Salina within the base of Ballast Point, Catalina Harbor. 0 Comment
  CAS-BOT-BC98730  Baccharis douglasii Louis C. Wheeler 1933-10-7 2165 Los Angeles Liveoak Canyon, San Gabriel Mts. 701 Comment
  UCSB41777  Baccharis salicifolia Buchmann, Steve 1971-4-30 Los Angeles In Tonner Cyn. about 1 mi. from Hwy. 57 304 Comment
  UC30394  Baccharis salicifolia subsp. salicifolia J. H. Barber 1897-11-7 20 Los Angeles Sullivan's Canyon Comment
  UCR178893  Baccharis sarothroides R. G. Swinney 1989-9-11 s.n. Los Angeles San Gabriel Mtns. Foothills, Glendora, east end of South Hills, at end of High Country Drive 305 Comment
  RSA0051683  Baccharis viminea Lee Haines 1935-7-3 s.n. Los Angeles San Gabriel Mountains - Dalton Canyon. Comment
  UCR184350  Balsamorhiza deltoidea A. C. Sanders 2007-4-19 33461 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA482809  Barbarea orthoceras B. C. Templeton 1932-5-31 4848 Los Angeles Below amateur ski jump, Big Pines Camp Comment
  UCR99504  Berberis nevinii Steve Boyd, Mark Elvin 1997-1-25 9126 Los Angeles San Gabriel Mtns., Southern base of the Mtns, upper Western edge of the alluvial fan spilling from the mouth of San Antonio Canyon, just south of Mt. Baldy Road and west of Padua Ave. 543 Comment
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May 31 2011
  UCR127383  Berula erecta A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25524 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CATA1207  Beta vulgaris Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2263 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  SBBG17886  Beta vulgaris P. H. Raven 1962-5-7 17581 Los Angeles 1 mi S of Wilson Cove 6 Comment
  UCR136841  Bidens pilosa John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  LA31647  Bidens pilosa Peter H. Raven; 1959-10-10 14617 Los Angeles Santa Monica Mountains, Westwood, UCLA campus 129 Comment
  CDA6794  Bidens pilosa var. pilosa L. C. Wheeler 1966-10-25 9074 Los Angeles San Gabriel Mountains; 1/4 mile north of El Encanto, San Gabriel Canyon. 0 Comment
  RSA0097610  Bituminaria bituminosa R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14356 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 268 Comment
  LA211125  Bituminaria bituminosa Arthur C. Gibson; Jorge Ochoa 2009-4-18 5255 Los Angeles Hollywood Hills, Cedar Grove of Griffith Park. Comment
  RSA188250  Bloomeria crocea var. crocea Robert F. Thorne, Percy C. Everett 1965-6-22 34897 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road. 213 Comment
  SD21562  Bloomeria crocea var. crocea Norman E. Bilderback 1938-4-23 Los Angeles Catalina Harbor, Catalina. Comment
  RSA482678  Boechera B. C. Templeton 1932-5-31 4849 Los Angeles Big Pines Camp 2260 Comment
  CAS-BOT-BC15860  Boechera arcuata Rimo Bacigalupi 1926-4-18 1177 Los Angeles San Gabriel Mountains. San Antonio Canyon near mouth of Canyon. Comment
  LA204389  Boechera arcuata J. A. Ewan; 1929-5-11 2112 Los Angeles San Gabriel Mountains, Mt. Lukens Trail 1219 Comment
  UC402650  Boechera arcuata unknown 1904-4-4 53 a5633 Los Angeles Garvanza Comment
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Jan 11 2015
  SEINET3132242  Boechera californica G. B. Grant 1904-4-4 53 a-5633 Los Angeles Garvanza Comment
  CAS-BOT-BC14586  Boechera pulchra Timothy S. Ross; Steve Boyd 1994-6-23 8025 Los Angeles Liebre Mountains. Sawmill Mountain. 5514 foot summit and immediately adjacent slopes. 1680 Comment
  RSA0129469  Boechera pulchra Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 86 B Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  SBBG31290  Bothriochloa barbinodis R. F. Thorne with P. C. Everett 1965-6-22 34860 Los Angeles Pebbly Beach Rd 30 Comment
  CATA1937  Bowlesia incana M. B. Dunkle 1929-4-7 2085 Los Angeles Santa Catalina Island: White's Landing 0 Comment
  SEINET6082845  Bowlesia incana Unknown 1969-5-4 Los Angeles San Gabriel Mountains. East side of Little Tujunga Canyon. .75 mi south/southeast of Herreres Ranch. Comment
  RSA466771B  Boykinia rotundifolia Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail Comment
  UCR190873  Boykinia rotundifolia R. G. Swinney 1999-7-14 7554 Los Angeles San Gabriel Mtns., Allison Gulch, an eastern tributary of East Fork San Gabriel River Canyon 1012 Comment
  SBBG12189  Brachypodium distachyon E. R. Blakley 1961-9-23 4746 Los Angeles beach bluff between Isthmus Harbor and Fisherman's Cove 6 Comment
  RSA0114815  Brassica geniculata R. G. Swinney 2011-10-25 15861 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  UC1929301  Brassica juncea Scott D. White, Justin Wood 2008-3-27 11787 Los Angeles San Gabriel Mountains; San Gabriel Mountain foothills, city of Glendora at Brodiaea filifolia location at the end of N Loraine Ave. 473 Comment
  SEINET959053  Brassica nigra Jennifer H. Jones 2006-1 339 Los Angeles Transverse Rangers; Foothills of San Gabriel Mtns.: South Hills Park Glendora. E of Grand Avenue and S. of Alosta Avenue (San Dimas 7.5Q) 244 Comment
  RSA0084245  Brassica nigra E. S. Spalding 1923-6-25 s.n. Los Angeles Eagle Rock. Comment
  SEINET10970562  Brassica nigra David B. Dunn 1971-8-12 Dunn 18354 Los Angeles Cultivated plant at 316 ave 50 in highland park. Comment
  SFV12450  Brassica nigra M. H. Grayum, D. L. Koutnik 1978-1-28 955 Los Angeles Santa Monica Mountains Along Temescal Canyon Road. 8 Comment
  SEINET10626305  Brassica rapa Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3790 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  PASA2162  Brickellia californica Frank W. Peirson 1924-10-26 Los Angeles Arroyo Seco 198 Comment
  RSA0021014  Brickellia californica Duncan S. Bell, Caitlin Elam 2013-7-11 5361 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA675711  Brickellia nevinii Scott D. White 2000-10-22 8138 Los Angeles San Antonio Canyon north of Shinn Rd. (=Mountain Ave.) crossing 793 Comment
  RSA739767  Brickellia nevinii John Dittes 2006-11-3 1428 Los Angeles Western Transverse Ranges, San Gabriel Mtns, Big Tujunga Canyon, 2.4 air miles S of Mt. McKinley, 4.3 air miles W of Big Tujunga Resevoir, 3.4 air miles NE of Mt. Gleason Jr. High school., Slope N of Big Tujunga Canyon road about 1/2 way betw Delta Flats overlook land trail canyon road. 579 Comment
  SEINET10570602  Brodiaea capitata Howery HOWERY s.n. 1912 Los Angeles Claremont Comment
  CAS-BOT-BC144331  Bromus L. R. Abrams 1929-3-14 12635 Los Angeles Hollywood. Comment
  RSA717298  Bromus arenarius Scott D. White, Pam DeVries 2006-5-9 11403 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  LA14241  Bromus arizonicus Marjorie Bowler; 1931-11-11 Los Angeles Ditch below National Blvd Comment
  SBBG56591  Bromus carinatus R. Hoffmann 1931-5-4 Los Angeles north Bouquet Cyn Comment
  UCR138506  Bromus carinatus L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp. 2012 Comment
  RSA92049  Bromus carinatus F. W. Peirson 1918-04 1560 Los Angeles Altadena. Comment
  CAS-BOT-BC149197  Bromus carinatus var. carinatus Louis C. Wheeler 1936-5-6 4099 Los Angeles San Gabriel Mountains. East of San Gabriel Mountains, 0.5 mile east of Liveoak Canyon. 419 Comment
  CAS-BOT-BC149198  Bromus carinatus var. carinatus Geo. B. Grant 1902-5-10 s.n. Los Angeles Arcadia. Comment
  RSA574275  Bromus carinatus var. carinatus Timothy S. Ross, Walter Appleby 1993-5-19 7173 Los Angeles Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle. 948 Comment
  UC205259  Bromus carinatus var. carinatus D. L. Crawford 1916-5-20 Los Angeles above Claremont Comment
  UCD58268  Bromus carinatus var. carinatus Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy Camp. Comment
  SBBG131633  Bromus catharticus S. A. Junak 1999-5-22 SCa 1014 Los Angeles Avalon Cyn, at entrance to Catalina Stables 48 Comment
  POM363400  Bromus diandrus Donald Tahara 1975-5-27 65 Los Angeles Puma [Piuma] Road 0.5 mile south of Malibu Canyon. Comment
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Apr 10 2014
  RSA258431  Bromus diandrus Dick Tilforth 1972-4-14 481 Los Angeles [Claremont. Rancho Santa Ana Botanic Garden.] 412 Comment
  SEINET251662 Image available Bromus grandis Mark A. Elvin, Cathleen Weigand 2003-5-22 2908 Los Angeles Santa Susana Mtns.: crest fo mountains at head of Salt Canyon Mewhall Ranch (Simi Valley East 7.5' Q.:) 914 Comment
  RSA657457  Bromus hordeaceus J. Keeling 1980-5-9 8 Los Angeles Verdugo Mountains; Next to south side of frontage road, beginning of Fire Road East, 1/2 mile east of La Tuna offramp, 210 freeway, Tujunga. 488 Comment
  UCR13475  Bromus hordeaceus O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  POM183391  Bromus marginatus Anonymous s.n. Los Angeles Santa Monica Mountains Comment
  POM113992  Bromus pseudolaevipes Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA668293  Bromus rubens Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 99 Los Angeles San Clemente Island. Comment
  UCR123807  Bromus rubens Steven R. Hill, K. Kramer 2001-4-22 33348 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR210454  Bromus rubens R. G. Swinney 2008-11-30 9896 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCR220159  Bromus rubens R. G. Swinney 2009-4-2 10263 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR50993  Bromus rubens A. C. Sanders, E. J. Lawlor 1988-4-3 7761 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  POM364048  Bromus sterilis Donald Tahara 1975-5-8 69 Los Angeles 0.5 mile east of mouth of West Trail, .25 mile North of Ferndell Park. Comment
  RSA599842  Bromus sterilis Steve Boyd, Lauren Raz 1997-5-6 9759 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  SEINET254496 Image available Bromus sterilis A. C. Sanders 2005-5-11 30157 Los Angeles Western San Gabriel/Liebre mountains. Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Road, northwest of Forest Park between Mint and Bouquet Canyons. 610 Comment
  CATA3479  Caesalpinia spinosa Michael Thomas, Benjamin Dion 2017-12-5 006 Los Angeles Santa Catalina Island: Interior; roadside, 20m south of Rancho Escondido Road in Lower Cottonwood Canyon watershed 106 Comment
  SFV1428  Cakile maritima K. A. Wilson 1961-3-16 1036 Los Angeles Zuma Beach. 3 Comment
  CAS-BOT-BC233951  Calandrinia breweri Carl Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  UC457254  Calandrinia breweri Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA533973  Calandrinia ciliata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5177 Los Angeles San Clemente Island: SSW of Twin Dams, 1450 ft. NNW of Boulder marker (1859 ). 491 Comment
  UC1215145  Calandrinia ciliata Peter H. Raven 1962-4-10 17198 Los Angeles n-facing clayey slopes <of> Thirst; San Clemente Island 579 Comment
  RSA235309  Calandrinia maritima M. A. Piehl 1963-12-7 631048 Los Angeles San Clemente Island: across SE tip from Pyramid Head 22 Comment
  UC71066  Calceolaria Ernest Braunton July 1901 Los Angeles Los Angeles, Cal Comment
  UCD123510  Callitriche longipedunculata Louis C. Wheeler 1933-4-9 1630 Los Angeles Le Verne (Damar Sta.). 274 Comment
  RSA610138  Callitriche marginata L. C. Wheeler 1933-4-9 1630 Los Angeles La Verne (Damar Sta.) 274 Comment
  POM982  Calocedrus decurrens D. L. Crawford 1915-7-1 s.n. Los Angeles Mts. Above Claremont. 2134 Comment
  LA200917  Calochortus clavatus Jonathan Sauer; William Bond 1983-5-15 6252 Los Angeles SANTA MONICA MOUNTAINS, Stokes Canyon Comment
  LA22353  Calochortus clavatus Carl Epling; 1926-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA26278  Calochortus clavatus var. clavatus Reid V. Moran 1941-8-17 862 Los Angeles Pico Canyon. 600 Comment
  SBBG132180  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2014-5-19 809 Los Angeles N of Santa Clara River near Val Verde, 0.2 km N of Hunstock St, 0.1 km SE of Del Valle Rd 395 Comment
  LA211142  Calochortus clavatus var. gracilis Arthur C. Gibson; Tarja Sagar 2010-8-14 5302 Los Angeles SANTA MONICA MOUNTAINS, overlooking Zuma Creek, Newton Canyon Trail just downstream of bridge. Comment
  RSA369025  Calochortus invenustus Anstruther Davidson s.n. Los Angeles Mt. Baldy, San Gabriel Mountains., Los Angeles/San Bernardino County. 2744 Comment
  RSA377439  Calochortus plummerae Bonnie C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  POM158277  Calochortus splendens M. B. Dunkle 1928-5-12 1922 Los Angeles Santa Catalina Island: Empire Landing 61 Comment
  SBBG32141  Calochortus splendens R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -230 Los Angeles between Middle Ranch Cyn and Cottonwood Cyn Comment
  UCR168284  Calochortus splendens F. R. Fosberg 1931-4-23 S- 4690 Los Angeles Channel Islands; Santa Catalina Island, SE slopes of Black Jack Mountain 350 Comment
  CHSC95344  Calochortus venustus LeRoy Gross; Valeria Soza 2003-5-15 921 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side: 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. 518 Comment
  RSA377477  Calochortus venustus Robert Gustafson 1978-6-1 s.n. Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
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Apr 1 2010
  SD260292  Calyptridium monandrum R. G. Swinney 2010-5-19 12818 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill sumit, abandoned Naval Analytics Station, at end of Pacific Tel. Access Rd., just W of Angeles Natl.l Forest boundary, 2.05 air miles E of Angeles Forest Hwy., 0.8 miles W of Mt. Emma Rd. 1335 Comment
  RSA710601  Calystegia longipes R. K. Brummitt, S. D. Boyd 1998-5-25 20042 Los Angeles 17 km NNW of Castaic on Ridge Route, 9 km N of Templin Hwy. 1000 Comment
  RSA394904  Calystegia macrostegia subsp. intermedia Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA580980  Calystegia macrostegia subsp. macrostegia Catherine A. Mish 1995-3-4 15 Los Angeles Santa Susana Mtns., Eddleston Park. 400 Comment
  JEPS112755  Calystegia peirsonii Dean W. Taylor 2002-5-1 18028 Los Angeles Sierra Pelona, hillslopes flanking Anaverde Valley (4 air miles SW of Palmdale), under electrical transmission lines 1066 Comment
  UC23202  Calystegia peirsonii J. Burtt Davy May 9 1896-May 24 1896 2304 Los Angeles near Palmdale (Antelope Valley); , near Palmdale Comment
  RSA71111  Calystegia soldanella F. W. Peirson 894 Los Angeles Ballona Comment
  UCR114733  Camissonia A. C. Sanders 1988-2-18 7688 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  UCR124743  Camissonia B. C. Templeton, I. W. Clokey 1930-4-2 4410 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  RSA466144  Camissonia californica Fay A. MacFadden 1931-3-28 36 Los Angeles Verdugo Mountains, La Tuna Canyon Comment
  RSA716216  Camissonia campestris Andrea Edwards, Pam DeVries 2006-4-11 82 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA454718  Camissonia campestris subsp. campestris Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-8 s.n. Los Angeles Antelope Valley, Mojave Desert. East side of Valley. Comment
  UCR137726  Camissonia cheiranthifolia subsp. suffruticosa L. C. Wheeler 1974-4-4 s.n. Los Angeles Pacific slope, West end of the Los Angeles International Airport [LAX] 61 Comment
  UCR205226  Camissonia claviformis R. G. Swinney 2008-5-2 8722 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA729733  Camissonia claviformis subsp. claviformis R. G. Swinney 1999-6-5 7255 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  UCR259166  Camissonia hirtella R. G. Swinney 2010-6-23 13354 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
  RSA187567  Camissonia intermedia Peter H. Raven 1962-5-23 17857 Los Angeles Santa Catalina Island, ocean bluffs at East side of Avalon Bay. Comment
  OBI28020  Camissonia kernensis subsp. gilmanii David J. Keil, Dirk Walters 1977-4-30 12297 Los Angeles Ridge Rte, 1 mi S of jctn with Los Angeles co Rd N-2 Comment
  RSA703391  Camissonia pallida subsp. pallida Gary D. Wallace, Ann Hiller 1983-5-18 2062 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  RSA595932  Camissonia strigulosa Louis C. Wheeler 1967-5-9 9387 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  SBBG60516  Camissonia strigulosa R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  UC147962  Camissoniopsis bistorta C. F. Baker 1909-5-29 5331 Los Angeles Claremont Comment
  UC2030099  Camissoniopsis hirtella Steve Boyd, Amber Maurice 2004-5-18 11319 Los Angeles Transverse Ranges; Liebre Mountains region: On road leading down towards Atmore Meadows area from main road on crest of Liebre Mountain, at crossing of spring outflow. 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
  SD260279  Camissoniopsis pallida R. G. Swinney 2010-5-19 12832 Los Angeles San Gabriel Mountains / Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Tel. Access Rd., W of Angeles Natl. Forest boundary, 2.05 air miles E of Angeles Forest Hwy., 0.8 miles W of Mt. Emma Rd. 1335 Comment
  SFV2504  Camissoniopsis pallida P. G. Kilburn 1958-4-12 724 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  PASA394  Capsella bursa-pastoris Annetta Carter 1928-12-29 Los Angeles Base of Sierra Madre Comment
  SEINET5341060  Cardamine integrifolia var. integrifolia I. W. Clokey, E. G. Anderson 1931-3-2 5323 Los Angeles San Gabriel Canyon. 1200 Comment
  RSA653345  Cardaria draba Kelly Middleton, David Middleton 1988-5-8 5 Los Angeles Glendora Ridge Road, 4.4 miles west of Mt Baldy Road intersection. 1220 Comment
  SD237386  Cardaria draba David Charlton 2010-7-21 Los Angeles Western Jojave Desert: Edward's Air Force Base, SW of Piute Ponds and adjacent to Shuttle Road and District 14 wast water outlet, west side of Shuttle Road at curve (Rosamund 7.5'Q) 698 Comment
  UC1713818  Cardionema ramosissimum I. Johnston 1917-6-10 1268 Los Angeles near Mesmer Comment
  UCR210343  Carex R. G. Swinney 2008-10-16 9596 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
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Sep 12 2018
  RSA584972  Carex alma Timothy S. Ross, Steve Boyd 1990-6-1 2758 Los Angeles Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. along Moody Canyon 1341 Comment
  UCR210264  Carex alma R. G. Swinney 2008-8-13 9377 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UC1133494  Carex alma Jerome S. Horton 1937-6-10 459 Los Angeles below Fern Canyon debris Dam 1371 Comment
  UCR224014  Carex barbarae Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11679 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  CHSC76590  Carex fracta Louis C. Wheeler 1967-8-2 10307 Los Angeles San Gabriel Mountains: Sheep Camp Spring, W slope of Mt. Pacifico. 1950 Comment
  UCR271224  Carex heteroneura R. G. Swinney 2011-9-27 15710 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  RSA617928  Carex jonesii L. C. Wheeler 1966-8-21 8823 Los Angeles San Gabriel Mountains: Northwest slope Mount Burnham, Lodgepole Picnic Area. Comment
  RSA601841  Carex praegracilis Steve Boyd 1996-4-25 8695 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  UCR275027  Carex praegracilis Michael Honer, Rachel Woodard 2006-4-18 2199 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile north of Hwy 138 976 Comment
  CAS-BOT-BC115671  Carex triquetra George B. Grant 1902-5-1 s.n. Los Angeles Glendora Comment
  UC1133504  Carex triquetra Jerome S. Horton 1936-4-28 311 Los Angeles n end San Dimas Reservoir; Pomona Quadrangle, San Dimas watershed Comment
  UC836555  Carex triquetra L. W. Nuttall 1920-5-6 131 Los Angeles Santa Catalina Island Comment
  SEINET11942213  Carpobrotus chilensis J. F. Bright, Wyman, C. 1931-1 5325 Los Angeles Comment
  UCR3673  Castanospermum australe Scarlet Hunt 1970-10-22 s.n. Los Angeles Arcadia, a canyon north of the city 569 Comment
  RSA425858  Castilleja affinis F. R. Fosberg 1931-3-25 S- 4362 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 10 Comment
  JEPS23166  Castilleja affinis subsp. affinis E. R. Blakley 1959-4-5 B- 2732 Los Angeles w side Point Dume 15 Comment
  UCR181105  Castilleja applegatei R. G. Swinney 1997-4-25 5503 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  JEPS16670  Castilleja applegatei subsp. martinii Rimo Bacigalupi with C. L. Custer 1954-4-4 4391 Los Angeles directly back of Altadena (Millard's Public Camp, in Millard's Canyon, lower s reaches of San Gabriel Mountains); San Gabriel Mountains, Angeles National Forest, Millard's Ca 556 Comment
  POM175584  Castilleja applegatei subsp. martinii E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon - North Fork, San Gabriel Canyon. Comment
  RSA448671  Castilleja applegatei subsp. martinii Geo. C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  UC26484  Castilleja applegatei subsp. martinii Harley P. Chandler 1897-4-12 Los Angeles Palmer's Canyon; Claremont 731 Comment
  RSA730603  Castilleja applegatei subsp. martinii Robert F. Thorne, M. Z. Thorne 1969-7-10 38436 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood 1951 Comment
  RSA81463  Castilleja applegatei subsp. martinii F. W. Peirson 1922-7-6 3182 Los Angeles Covering large areas of Blue Ridge, east end of San Gabriel Mts. near line between Los Angeles and San Bernardino counties. 2439 Comment
  UCR150962  Castilleja exserta Sandra L. Leatherman, Brian Daniels 1998-11-10 58 Los Angeles Bouquet Canyon: directly west of the intersection of Bouquet Canyon Rd. and Vasquez Canyon Rd 488 Comment
  VVC1944  Castilleja exserta P. J. MacKay, T. Thomas 2005-4-16 2191 Los Angeles Antelope Valley, Poppy Preserve State Park, north west of visitor center. 861 Comment
  JEPS30730  Castilleja exserta subsp. exserta Peter H. Raven 1962-3-27 16996 Los Angeles 1.4 mi e Portugese Bend (along Palos Verdes Drive); Palos Verdes Hills Comment
  RSA0012416  Castilleja foliolosa Orlando Mistretta, Christine Mistretta 2011-6-16 5698 Los Angeles Northern edge of San Gabriel Mountains, Along Southern California Edison transmission line corridor, 0.5 air miles N of Aliso Canyon Rd. 1141 Comment
  RSA599261  Castilleja foliolosa Steve D. Boyd, Lauren Raz 1997-3-31 9436 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
  UCD122515  Castilleja foliolosa Daryl Koutnik 1978-5-10 478 Los Angeles End of Corral Canyon Road, Santa Monica Mountains. 731 Comment
  JEPS66319  Castilleja gleasoni L. R. Heckard 1971-5-25 2583 Los Angeles nw of Chilao Flat (near Horse Flat Campground); San Gabriel Mts. 1737 Comment
  RSA0019746  Castilleja gleasoni Naomi Fraga, Emily Biben, Katie VinZant, Dani Henning 2013-7-12 4339 Los Angeles Of FS Road 3N17 near Mount Gleason. 1890 Comment
  RSA0114747  Castilleja gleasoni Steve D. Boyd, Lauren Raz 1997-3-31 9437 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
  RSA585938  Castilleja gleasoni Tim S. Ross, S. D. Boyd 1990-5-23 2641 Los Angeles Mt. Gleason Area: North-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody canyon 1250 Comment
  UCR191300  Castilleja miniata R. G. Swinney 1998-7-6 6271 Los Angeles San Gabriel Mtns., near mouth of Mescal Canyon, 2.7 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1488 Comment
  RSA594636  Castilleja minor subsp. spiralis Steve D. Boyd, Lauren Raz 1996-10-29 9119 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  UCR209137  Castilleja minor var. stenantha R. G. Swinney 2008-6-24 9095 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  SD215667  Castilleja plagiotoma Louis C. Wheeler 1968-4-17 Los Angeles San Gabriel Mountains: Big Rock Creek, 3/4 mile north of Big Rock Springs 1157 Comment
  UCR78137  Castilleja pruinosa Wandalee Thompson 1964-4-8 21 Los Angeles Transverse Range; Liebre Mtns., Cottonwood Campground, Elizabeth Lake Canyon Road, Angeles National Forest. 808 Comment
  SD197723  Caulanthus amplexicaulis R. G. Swinney 2008-5-5 8756 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs. 1000 Comment
  UCR215249  Caulanthus amplexicaulis LeRoy Gross, Duncan Bell 2008-5-27 3424 Los Angeles Transverse Ranges; San Gabriel Mountains, East Mill Creek and Angeles Forest Highway, west from Falcon Mine, SW of Mill Creek Summit, along side of Road 4N18.1 1311 Comment
  JEPS31684  Caulanthus coulteri W. L. Jepson 1935-4-17 17070 Los Angeles Portal Ridge between Leonis Valley and Mojave Desert; Portal Ridge btwn Leonis Valley and Mojave Desert Comment
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Aug 2 2007
  RSA152194  Caulanthus heterophyllus Wesley O. Griesel 1962-3-31 s.n. Los Angeles Corell Post Office, Santa Monica Mts. 152 Comment
  RSA774238  Caulanthus inflatus R. G. Swinney 2009-5-5 10633 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  CAS-BOT-BC39567  Caulanthus major Gale Sphon 1959-6-27 385 Los Angeles San Gabriel Mountains. Angeles National Forest. Big Rock Canyon. Icy Springs. Comment
  SEINET11182700  Ceanothus arboreus G. B. Grant, W. Wheeler 1904-1 148 /6146 Los Angeles Santa Catalina Island, Pacific Ocean, off Southern California. Comment
  LA52212  Ceanothus crassifolius Henry J. Thompson; 1959-2-23 1851 Los Angeles SANTA MONICA MOUNTAINS, Castro Peak, Latigo Canyon Rd, 1 mi SE Mulholland Hwy, N side of main crest of mountains, NW slope of Castro Peak. 594 Comment
  PASA1639  Ceanothus crassifolius A. Carter 1929-1-1 Los Angeles Mouth of Big Santa Anita Canyon Comment
  RSA585545  Ceanothus crassifolius Tim S. Ross 1992-4-21 6227 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  UC870518  Ceanothus crassifolius I. W. Clokey, E. G. Anderson 1931-3-11 5341 Los Angeles San Gabriel Canyon 365 Comment
  UC870519  Ceanothus crassifolius Marcus E. Jones 1882-2-25 3022 Los Angeles Pasadena Comment
  RSA0005504  Ceanothus cuneatus Hutchinson 1920-5-1 3332 Los Angeles Bouquet Canyon Comment
  POM184695  Ceanothus greggii var. vestitus Joseph A. Ewan 1932-5-29 7223 Los Angeles trail in Arrastre Canyon. 1372 Comment
  RSA0056348  Ceanothus griseus var. horizontalis P. R. Brown 1970-9-24 s.n. Los Angeles Pierce College Nature Center, entrance, Canon de lana. Comment
  SEINET13203244 Image available Ceanothus integerrimus var. macrothyrsus R. G. Swinney 2011-1 15492 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  POM2822  Ceanothus jepsonii C. F. Baker 1903-12-26 4001 Los Angeles Pomona. Comment
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Sep 6 2010
  RSA754113  Ceanothus leucodermis Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1816 Los Angeles San Gabriel River above Morris Dam 385 Comment
  RSA399121  Ceanothus megacarpus Freda Detmers 1929-2-22 s.n. Los Angeles Mandeville Canyon, Botanic Garden. Comment
  UCR131485  Ceanothus oliganthus subsp. oliganthus June Latting 1973-2-24 s.n. Los Angeles San Gabriel Mountains, Monrovia Canyon 549 Comment
  RSA584055  Ceanothus oliganthus var. oliganthus Tim S. Ross, S. D. Boyd 1991-4-25 4602 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
  UCD170933  Ceanothus oliganthus var. sorediatus R. G. Swinney 2009-3-16 10117 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39. 227 Comment
  RSA398945  Ceanothus spinosus Freda Detmers 1924-2-22 s.n. Los Angeles Mandeville Canyon. Comment
  UCR124376  Ceanothus spinosus I. W. Clokey, B. C. Templeton 1929-1 4438 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  RSA0069718  Centaurea melitensis Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 10 Los Angeles Santa Catalina Island. Deer Valley Trail. 22 Comment
  CAS-BOT-BC288838  Centromadia parryi subsp. australis L. R. Abrams 1902-8-24 2969 Los Angeles Mesmer Comment
  CAS-BOT-BC288837  Centromadia parryi subsp. australis H. E. Hasse 1888-8-24 s.n. Los Angeles Unspecified Comment
  VVC2914  Centromadia pungens subsp. pungens Tim Thomas 2014-5-4 6298 Los Angeles Mojave Desert, North Lancaster; 0.3 mi NE of Sierra Hwy & W Ave H intersection 713 Comment
  RSA515168  Centrostegia thurberi Steve Boyd, Orlando Mistretta 1986-3-31 1542 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA727339  Centrostegia thurberi R. G. Swinney 1998-5-16 6058 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA777920  Centrostegia thurberi R. G. Swinney 2009-5-6 10671 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR223353  Centrostegia thurberi R. G. Swinney 2009-5-20 10836 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UC584111  Centrostegia thurberi var. thurberi David D. Keck, Palmer Stockwell 1935-5-16 3306 Los Angeles 1.5 mi s of Palmdale Comment
  RSA764518  Cerastium glomeratum Orlando Mistretta, Christine Mistretta 2008-5-3 2636 Los Angeles Southern California Edison transmission line tower (Segment 11, structure 92 per TRTP Survey 2008), in the vicinity of Eaton Canyon, N of New York Drive. 316 Comment
  LA47756  Cercocarpus betuloides W. R. Ernst; May 1947 sn Los Angeles San Gabriel Canyon, Crystal Lake area Comment
  POM199706  Cercocarpus betuloides I. W. Clokey, Bonnie C. Templeton 1929-07 4596 Los Angeles Mandeville Canyon. 300 Comment
  POM2670  Cercocarpus betuloides Philip A. Munz 1918-4-16 2060 Los Angeles Claremont. Comment
  RSA305936  Cercocarpus betuloides Fay A. MacFadden 1933-3-30 s.n. Los Angeles Tejunga [Tujunga] Wash, Stonehurst Comment
  RSA0049524  Cercocarpus betuloides J. C. Roos 1942-3-7 1104 Los Angeles Big Tujunga Canyon, San Gabriel Mtsn. Comment
  CAS-BOT-BC135509  Cercocarpus betuloides var. betuloides Tim Ross 1993-4-22 6912 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; near dogleg in drainage, Santa Catalina South USGS 7.5'. 230 Comment
  CAS-BOT-BC142109  Cercocarpus betuloides var. betuloides H. E. McMinn 1924-7-25 1332 Los Angeles Catalina Island 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
  UC729520  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-5-13 3619 Los Angeles Hamilton Canyon, along ridge fence-line Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 243 Comment
  UC859432  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-10-4 5182 Los Angeles back of St. Catherine's Hotel (Avalon, Santa Catalina Island); Santa Catalina Island, Avalon 22 Comment
  UCD22491  Cercocarpus betuloides var. blancheae Brian Vanden Heuvel 2003-5-8 220 Los Angeles Santa Monica Mountains. On Decker Rd., 1 mile north of junction of Mulholland Hwy. and Decker Rd. Comment
  RSA330774  Cercocarpus ledifolius Wayne E. Sawyer 1981-7-7 s.n. Los Angeles San Gabriel Mountains., Angeles National Forest: Lily Spring 2454 Comment
  CAS-BOT-BC279531  Chaenactis artemisiifolia Alice Eastwood 1906-5-27 106 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  CAS-BOT-BC276893  Chaenactis fremontii W. R. Dudley; F. H. Lamb 1896-6-5 4335 Los Angeles Edge of Antelope Valley near Fairmont, Liebre Mountains Comment
  RSA160869  Chaenactis fremontii Percy C. Everett 1962-4-30 24457 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  SD30668  Chaenactis glabriuscula var. denudata Edith A. Purer 1935-5-12 6593 Los Angeles El Segundo 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
  RSA588061  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta 1994-4-15 1044 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1036 Comment
  UCR207704  Chaenactis glabriuscula var. glabriuscula Justin M. Wood 2009-4-10 474 Los Angeles San Gabriel Mountains, foothills, city of San Dimas, San Dimas Wash just above the Puddingstone Diversion Dam and adjacent to the golf course 366 Comment
  POM351748  Chaenactis glabriuscula var. glabriuscula James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  UC699714  Chaenactis glabriuscula var. glabriuscula L. R. Abrams 1890 Los Angeles Mt. Wilson, Los Angeles Co. Comment
  CAS-BOT-BC277517  Chaenactis glabriuscula var. lanosa Carl B. Wolf 1935-5-23 6995 Los Angeles Liebre Mts., 1/2 mi. E. of Gorman 1158 Comment
  CAS-BOT-BC277518  Chaenactis glabriuscula var. lanosa Le Roy Abrams 1899-4-1 216 Los Angeles Ballona Harbor Comment
  RSA642039  Chaenactis santolinoides Orlando Mistretta 1993-6-28 907 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  RSA652573  Chaenactis stevioides Marion P. Harthill 1974-4-22 1663 Los Angeles Mojave Comment
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Jan 4 2012
  RSA497603  Chaenactis xantiana A. C. Sanders 1988-4-3 7746 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  UCR123638  Chaenactis xantiana Steven R. Hill, K. Kramer 2001-4-22 33355 Los Angeles San Gabriel Mountains/SW Mojave Desert, S side of Antelope Valley, Johnson Road, 6.2 mi NNE of junction with Elizabeth Lake Road, 3 mi south of junction of Avenue I and 110th Street West 939 Comment
  UCR149968  Chaenactis xantiana Scott D. White 2004-5-5 10301 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  RSA0062656  Chaenactis xantiana Charles D. Dunn 1972-4-3 s.n. Los Angeles W. Quartz Hill. 1219 Comment
  RSA435967  Chamaesyce albomarginata M. B. Dunkle 1933-4-19 3316 Los Angeles Palos Verde Hills. Comment
  RSA638919  Chamaesyce albomarginata L. C. Wheeler 1946-8-27 6266 Los Angeles San Gabriel Mountains: Shoemaker Canyon just north of Pallett Ranch by side of Pear Blossom Highway. 1219 Comment
  UC577116  Chamaesyce melanadenia Lewis S. Rose 1934-12-26 34521 Los Angeles San Gabriel Canyon Comment
  POM177957  Chamaesyce melanadenia Joseph A. Ewan 1931-4-25 4169 Los Angeles S. Fork La Tuna Canyon, Verdugo Range. Comment
  JEPS60011  Cheilanthes covillei Joseph Ewan 1937-5-30 7207 Los Angeles Mill Creek near junction of North Fork Tujunga Creek 914 Comment
  RSA600481  Cheilanthes covillei Steve Boyd, Lauren Raz 1997-4-30 9608 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
  SEINET3153755  Cheilanthes intertexta L. T. Stephenson sn Los Angeles Chat. [perhaps Chatsworth in Los Angeles Co.?] Comment
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Dec 17 2016
  RSA226102  Chenopodium album R. F. Thorne, C. W. Tilforth 1971-6-17 39944 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  SBBG133177  Chenopodium album B. C. Templeton 1951-9-12 Los Angeles South Harvard, Claremont Comment
  RSA423272  Chenopodium album Robert Gustafson 1981-5-15 2225 Los Angeles Ballona Wetlands, Area 2 Comment
  JEPS59717  Chenopodium ambrosioides Frank W. Peirson 1918-10-16 284 Los Angeles Pacoima Canyon 518 Comment
  RSA657365  Chenopodium ambrosioides Joseph M. Keefe 2001-1-19 30967 Los Angeles Verdugo Mountains: 4 meters east of intersection with Wescott Avenue, Big Tujunga Wash, Sunland District. 200 meters southwest of [coordinates]. 385 Comment
  SBBG18741  Chenopodium berlandieri E. R. Blakley 1962-10-5 5424 Los Angeles old mill site in Hen Cove N of White's Landing 3 Comment
  UCR206492  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2009-5-21 36901 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  UCR259751  Chenopodium berlandieri R. G. Swinney 2010-4-28 12432 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
  UCR259942  Chenopodium berlandieri R. G. Swinney 2010-4-13 12211 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA593419  Chenopodium botrys Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8901 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA681924  Chenopodium botrys Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9630 Los Angeles Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  RSA562655  Chenopodium botrys D. Charlton 1992-9-13 s.n. Los Angeles Angeles Forest Hwy, 6 miles north of La crescenta near georges gap 914 Comment
  LA105113  Chenopodium californicum Barry A. Prigge; 1988-7-9 8272 Los Angeles Santa Monica Mountains, Calabasas, Calabasas, 900 ft. SEE of N-jtn of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  RSA611051  Chenopodium californicum L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  SBBG119907  Chenopodium californicum A. C. Sanders, E. J. Lawlor 1988-4-3 7743 Los Angeles 1 mi NW of Gorman on a gasline rd, 0.4 mi above the old hwy 1284 Comment
  UCD98163  Chenopodium californicum J. Warren 1952-4-15 s.n. Los Angeles Facult Hill UCLA, Los Angeles. 121 Comment
  RSA0087063  Chenopodium murale R. G. Swinney 2010-5-4 12531 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
  RSA596913  Chenopodium murale T. S. Ross, J. Mark Porter 1995-5-4 8516 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  CAS-BOT-BC178910  Chorizanthe Timothy S. Ross; J. Mark Porter 1995-5-4 8504 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  RSA584402  Chorizanthe breweri Tim S. Ross, S. D. Boyd 1994-5-25 8001 Los Angeles Warm Springs Mountain: ca 450 m NW of summit. 1140 Comment
  SBBG119985  Chorizanthe parryi var. fernandina M. A. Elvin 2003-6-11 2940 Los Angeles ridge ca. 900 m SW of Airport Mesa, Newhall Ranch, N end of Santa Susana Mtns 366 Comment
  SD186287  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of Airport Mesa 111 Comment
  UCR125433  Chorizanthe parryi var. fernandina A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25718 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR265468  Chorizanthe spinosa Jordan Zylstra 2015-6-5 15006 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1015 Comment
  IRVC29106  Chorizanthe staticoides A. C. Sanders 2003-6-20 27002 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  JEPS57759  Chorizanthe staticoides Frank W. Peirson 1918-6-12 26 Los Angeles foothills e Rubio Canyon (San Gabriel Mountains); , foothills e Rubio Canyon 609 Comment
  RSA0025347  Chorizanthe staticoides Anuja Parikh, Nathan Gale 2011-6-24 3502 Los Angeles TR, SnGb, S of Iron Mtn, 1.5 km E of Angeles Forest Hwy, 0.9 km S of Monte Cristo Creek. 1390 Comment
  RSA611010  Chorizanthe staticoides Louis C. Wheeler 1968-5-25 s.n. Los Angeles Mesa W of Bear Creek. 549 Comment
  UC1922179  Chorizanthe staticoides Scott D. White, Jennifer H. Jones 2005-6-23 11149 Los Angeles San Gabriel Mtns.: Acton area. South of Powerline access road (ANF 4N32) between Arrastre Canyon and Moody Canyon. Comment
  SBBG62338  Chorizanthe watsonii R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA716901  Chorizanthe xanti var. xanti LeRoy Gross 2006-5-30 s.n. Los Angeles Along Whitaker Peak Road (6N53). West of Interstate Freeway 5 and the old Golden State Highway, near Whitaker Summit., Survey along road Southwest of the peak from Whitaker Peak Lookout along the northeast side of Whitaker peak to a saddle that divides Ruby Canyon and Canton Canyon drainages, short distance west from Road 6N53B. 1128 Comment
  SEINET7450594 Image available Chrysopsis sessiliflora I. W. Clokey, B. C. Templeton 1936-5-18 5666 Los Angeles San Gabriel Canyon, mile above dam. 400 Comment
  POM158239  Chrysothamnus nauseosus subsp. mohavensis P. A. Munz, I. M. Johnston 1928-9-5 11179 Los Angeles road from Rock Creek to Big Pines 1371 Comment
  POM351994  Chrysothamnus nauseosus subsp. mohavensis Samuel R. Tyson 1943-9-1 s.n. Los Angeles Brown's Flat, San Dimas canyon. 1250 Comment
  UCR146532  Chrysothamnus nauseosus subsp. mohavensis Scott D. White 2004-8-11 10698 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  POM352152  Cirsium occidentale var. californicum L. C. Wheeler 1933-7-4 1903 Los Angeles San Gabriel Mountains: San Dimas Canyon 640 Comment
  POM352166  Cirsium occidentale var. californicum M. B. Dunkle, M. Z. Thorne 1933-6-17 3590 Los Angeles San Antonio River Canyon 914 Comment
  SD30679  Cirsium occidentale var. californicum Edith A. Purer 1935-5-11 6554 Los Angeles Santa Monica Mountains, Malibou Road. Comment
  RSA0070684  Cirsium occidentale var. californicum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3676 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  POM352197  Cirsium occidentale var. occidentale Gale Sphon 1955-5-12 s.n. Los Angeles Mulholland Drive. On fire road opposite Sepulvada fire road. Comment
  RSA188188  Cirsium occidentale var. occidentale R. F. Thorne, Percy C. Everett 1965-6-23 35014 Los Angeles Santa Catalina Island, lower part of Hamilton Canyon along stream bed. 61 Comment
  RSA507973  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross 1988-4-28 2227 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  CDA1496  Cirsium ochrocentrum George Garretson 1959-8-31 s.n. Los Angeles San Jose Creek Walnut district; (City of Industry?) Southern Pacific R.R. right-of-way, 200 ft. W of Water St. 0 Comment
  RSA643264  Cirsium vulgare R. D. Goeden, D. W. Ricker 1972-5-19 s.n. Los Angeles San Jose Hills: Bonelli Regional Park, S of Puddingstone Reservoir, along Via Verde 1/2 mile east of 210 Freeway, between Pomona and San Dimas 305 Comment
  RSA547811  Cirsium vulgare Timothy S. Ross, Peter W. Fritsch 1990-6-20 3613 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA640311  Cistanthe monandra L. C. Wheeler 1931-3-29 s.n. Los Angeles Base of San Gabriel Mountains: San Dimas Wash. Comment
  CAS-BOT-BC172447  Clarkia bottae LeRoy Abrams 1902-6-16 2553 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  RSA448243  Clarkia bottae I. W. Clokey 1929-05 4534 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  SFV16012  Clarkia bottae P. W. Byrne, M. Hill 1994-5-15 43 Los Angeles San Gabriel Mountains Bear Canyon at Liver Oak Campground. South side of dry riverbed. 600 Comment
  UCSB4356  Clarkia bottae DeWitt, Jack 1959-5-15 Los Angeles Mint Canyon; at park 4.3 miles E of Solemint 609 Comment
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Nov 13 2014
  HSC16282  Clarkia cylindrica C. E. Fellows 1965-6-27 108 Los Angeles 3/10 mi. S of Dartford St. on Sepulveda Blvd. Comment
  RSA602349  Clarkia dudleyana Scott D. White 1997-5-8 5075 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  UC144378  Clarkia epilobioides C. F. Baker 1904-5-5 4735 Los Angeles Claremont Comment
  LA45550  Clarkia purpurea subsp. quadrivulnera Carl Epling; M. Epling 1925-5-15 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  LA82400  Clarkia purpurea subsp. quadrivulnera O. H. Kappler; 1940-5-28 703 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA3607  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1932-5-13 3624 Los Angeles Santa Catalina Island; near largest reservoir 3.5 miles from Avalon (by road) on way to Isthmus 366 Comment
  RSA448324  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles La Crescenta. Comment
  SBBG118132  Clarkia purpurea subsp. quadrivulnera F. R. Fosberg 1931-4-23 4696 Los Angeles Hay Press [Haypress] 350 Comment
  UCR223139  Clarkia rhomboidea R. G. Swinney 2009-7-22 11356 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  LA45498  Clarkia unguiculata Harvey Anderson; Carl Epling 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA448585  Clarkia unguiculata Martha Hilend 1928-5-27 332 Los Angeles Bouquet Canyon. Comment
  RSA448595  Clarkia unguiculata Ron Yee 1979-5-12 139 Los Angeles Winding Way, private road near Malibu. 152 Comment
  RSA652340  Clarkia unguiculata Burgess Spring 1948-5-8 s.n. Los Angeles Puddingstone Dam, San Dimas. 305 Comment
  UCR132293  Clarkia unguiculata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam 366 Comment
  UCR177624  Clarkia unguiculata LeRoy Gross, Valerie Soza 2001-6-6 436 Los Angeles Los Angeles Basin region:, Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road 488 Comment
  RSA466706  Claytonia parviflora subsp. parviflora Ruth E. Hammond 1929-05 s.n. Los Angeles Verdugo Woodlands. Comment
  UCR51861  Claytonia parviflora subsp. utahensis Steve Boyd, T. S. Elias 1987-4-14 2047 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  RSA784353  Claytonia perfoliata Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 10 Los Angeles road 7N23 turn from road 7N08 Comment
  RSA126702  Claytonia perfoliata subsp. mexicana H. J. Thompson 1959-4-19 1934 Los Angeles Mulholland Highway, 1 mile W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  RSA190985  Claytonia perfoliata subsp. mexicana R. F. Thorne, Reed Rollins, D. Propst, R. Carolin 1967-3-18 36755 Los Angeles In Bulrush Canyon, Santa Catalina Island. 244 Comment
  RSA678207  Claytonia perfoliata subsp. mexicana V. Soza, LeRoy Gross 2001-4-18 1133 -b Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 793 Comment
  CHSC4739  Claytonia rubra subsp. rubra M. MacArthur 1967-6-24 53 Los Angeles 17 mi from turn off on Angeles Crest Hwy., to lower Chilao keeping always to right--left side of rd. by intermittent stream bed, Angeles National Forest. 1584 Comment
  RSA778877  Claytonia rubra subsp. rubra Orlando Mistretta, Christine Mistretta 2010-6-1 5222 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  CAS-BOT-BC91391  Clematis lasiantha I. Johnston 1917-5-6 1916 Los Angeles Ebey Canon [Canyon]. 914 Comment
  RSA128276  Clematis lasiantha H. J. Thompson 1959-5-31 1916 Los Angeles 1.1 mile south-west of Seminole Hot Springs, about 2 miles south-west of Cornell. 396 Comment
  RSA0105075  Clematis ligusticifolia R. G. Swinney 2011-10-18 15815 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR277193  Clematis ligusticifolia R. G. Swinney 2010-9-30 13928 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  SEINET12090138  Clematis ligusticifolia P. H. Raven, Thompson, H. J. 1960-1 s.n. Los Angeles Santa Monica Mts 610 Comment
  POM243810  Cleome isomeris F. R. Fosberg 1931-12-10 7148 Los Angeles Avalon, Public Utilities Canyon. Santa Catalina Island. 50 Comment
  CAS-BOT-BC423115  Cleomella obtusifolia Roxana S. Ferris 1918-6-19 912 Los Angeles Lancaster Comment
  POM96827  Cnicus benedictus P. A. Munz 1926-5-3 10813 Los Angeles Weed along car track, Pomona Jct. 305 Comment
  UCR271566  Collinsia R. G. Swinney 2011-5-19 14773 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  SBBG15796  Collinsia bartsiifolia var. davidsonii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  RSA0076347  Collinsia callosa F. W. Peirson 1921-6-15 2443 Los Angeles Abundant from Pine Flats to Islip, in the Chilao district, San Gabriel Mountains. (Pine Flats is now Charlton Flats; presumably Mt. Islip is what is referred to simply as 'Islip' - R.C.B.) 1646 Comment
  POM49311  Collinsia heterophylla Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA727275  Collinsia heterophylla R. G. Swinney 1998-5-25 6150 Los Angeles San Gabriel Valley; Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  UCR213372  Collinsia heterophylla Dan S. Cooper 2010-3-29 20100312- 16 B Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0117358  Collinsia parryi Scott D. White, Kent Hughes 2000-5-16 7850 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA0117386  Collinsia parryi F. W. Peirson 1921-6-14 2828 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 1250 Comment
  RSA330804  Collinsia torreyi var. wrightii Wayen E. Sawyer 1981-6-11 14 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 2.75 miles from Dawson Saddle. 2271 Comment
  UC1871299  Collomia grandiflora T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3899 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  SD30234  Colutea arborescens Paul O. Schallert 1943-4-19 Los Angeles Monrovia, in canyon Comment
  UCR147612  Colutea arborescens Naomi Fraga, B. Hogshead 2004-4-23 1101 Los Angeles Transverse Ranges; San Gabriel Mountains, along the lower part of Josephine Peak Road near its intersection with Angeles Forest Hwy 1098 Comment
  RSA252239  Comarostaphylis diversifolia subsp. planifolia Gary D. Wallace 1975-1-18 1387 Los Angeles Santa Monica Mtns. 3.1 mi N of Hwy. 1 along Topanga Can. Blvd. Comment
  RSA725616  Comarostaphylis diversifolia subsp. planifolia Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 409 Los Angeles Santa Catalina Island. Boushay Canyon below Silver Peak Road. 356 Comment
  RSA714799  Conium maculatum A. C. Sanders 2003-6-18 26932 Los Angeles Western Transverse Range/Santa Clara River Watershed: in mouth of Off-haul Canyon ca. 1 mile west of Mayo Spur between San Martinez Grande Canyon and the Ventura Co. line, north of Hwy 126, Newhall Ranch. 305 Comment
  SD90469  Constancea nevinii Robert F. Thorne 1970-3-6 39401 Los Angeles Santa Catalina Island; Indian Rock in Emerald Bay. 14 Comment
  UC879374  Convolvulus arvensis I. M. Johnston 1918-5-19 2000 Los Angeles near Pomona 304 Comment
  RSA602561  Cordylanthus rigidus subsp. setiger Louis C. Wheeler 1967-8-28 10551 Los Angeles San Gabriel Mountains: Gold Dollar Mine at head of Dry Gulch off Coldwater Canyon. 2195 Comment
  CAS-BOT-BC287746  Coreopsis bigelovii Steve Boyd; Lauren Raz 1997-3-25 9305 Los Angeles Liebre Mts Region: Upper end of broad alluvial valley at head of Cienaga Canyon, S base of LIebre Mt, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  UCR281149  Coreopsis bigelovii R. G. Swinney 2014-5-7 16419 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  UCR34455  Coreopsis bigelovii John C. Roos 1937-3-25 2482 Los Angeles Western Mojave Desert, between Lancaster & Ridge Route, west of Lancaster Comment
  UC829014  Coreopsis californica var. californica Marcus E. Jones, A. M. 1882-5-2 3373 Los Angeles Pasadena Comment
  UC166689  Coreopsis gigantea George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 680 -2228 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC105697  Corethrogyne filaginifolia Moxley 1920-8-28 812 Los Angeles Garpito Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC105698  Corethrogyne filaginifolia L. A. Greata 1900-9-20 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC32931  Corethrogyne filaginifolia var. filaginifolia Frank Warrington Peirson 1923-10-7 4159 Los Angeles San Gabriel Mts. Newhall, Railroad Station Comment
  SD28085  Cornus glabrata Carl B. Wolf 1932-5-13 3617 Los Angeles Santa Catalina Island; Hamilton Canyon. 124 Comment
  UCR205935  Coronopus didymus A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37062 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
  UC69647  Cotula australis T. W. Minthorn 1905-2-2 5 Los Angeles Los Angeles 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
  UCR126901  Crassula connata A. C. Sanders 2003-4-29 26160 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCR138496  Crassula connata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  SD90380  Crassula connata Robert F. Thorne 1966-4-17 36119 Los Angeles San Clemente Islandp Rocky bottom of Bx Canyon, northwest of Horse Canyon, southwest of Thirst. 245 Comment
  RSA19188  Crassula connata var. erectoides P. A. Munz 1923-4-8 6600 Los Angeles San Clemente Island, Wilson's [Wilson] Cove Comment
  LA201039  Crassula erecta Louis Wheeler; 1932-3-9 471 Los Angeles Santa Monica Mountains, Westwood, UCLA campus 121 Comment
  RSA600446  Crassula tillaea L. C. Wheeler 1968-3-15 s.n. Los Angeles San Gabriel Mountains: Bichota Mesa, North Fork San Gabriel River. 945 Comment
  UCR35838  Crassula tillaea R. F. Thorne 1979-4-25 52776 Los Angeles Rancho Santa Ana Botanic Garden: S end of desert garden growing on hard-packed ground 415 Comment
  POM156724  Crepis acuminata L. R. Abrams 1902-7-12 2712 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  RSA0039068  Cressa truxillensis Jeremiah George, Audrey S. George 2014-7-24 s.n. Los Angeles Carson, just west of intersection of East Carson St. and North Avalon Blvd. 23 Comment
  UCR256965  Cressa truxillensis Jeremiah George 2012-4-25 s.n. Los Angeles Compton, decommissioned railroad right-of-way NW of intersection of W Carob St. and South Acacia Ct., c. 1000 ft. west of Compton Creek channel, south of W Greenleaf Blvd., Rancho Dominguez area 21 Comment
  CAS-BOT-BC175844  Crossosoma californicum George B. Grant; Walter Wheeler 1904-4-21 235 /6149 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA249728  Crossosoma californicum R. F. Thorne, Doug Propst 1973-2-14 42478 Los Angeles Santa Catalina Island. N of junction of Isthmus and Marine Science Laboratory roads 122 Comment
  RSA589504  Crossosoma californicum T. S. Ross, Allan Elvinn, Elvinn 1995-5-21 8611 Los Angeles San Clemente Island, fork at the head of Snail Canyon between the snail's eye-stems, 1970 ft. N of slope triangulation point (781 ft) and 5880 ft. SSE of Rest, triangulation point (1336 ft). 244 Comment
  UC17562  Croton californicus W. H. Brewer Dec 1 1860-Dec 5 1860 28 Los Angeles Los Angeles Comment
  CATA1340  Crypsis vaginiflora Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2443 Los Angeles Santa Catalina Island: Haypress Reservoir 420 Comment
  SD85129  Crypsis vaginiflora E. R. Blakley 1962-10-3 5377 Los Angeles Santa Catalina Island; in dry soil above water line of banks of Wrigley Reservoir at summit of Island Road 427 Comment
  CAS-BOT-BC189246  Cryptantha Elizabeth McClintock 1965-7-2 269 /90 Los Angeles Table Mountain, above Wrightwood, San Gabriel Mountains 2133 Comment
  RSA0110916  Cryptantha R. G. Swinney 2011-6-7 1508 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
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Feb 19 2020
  SEINET9354277  Cryptantha Steve Myers, LaRue, Ed 1989-3-20 16004 Los Angeles Palmdale area. Elizabeth Lake Road at California Aqueduct. San Andreas rift zone bisects the site. Juniper - joshua tree woodland, with some sagebrush scrub; including Yucca brevifolia, Juniperus californica, Haplopappus cooperi, H. linearifolia, Artemisia tridentata, Arctostaphylos glauca & Chrysothamnus nauseosus. Comment
  UCR187003  Cryptantha A. C. Sanders 2006-4-28 32224 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR270244  Cryptantha R. G. Swinney 2011-7-7 15442 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
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Feb 19 2020
  RSA592172  Cryptantha barbigera L. C. Wheeler 1967-5-12 9431 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SBBG18987  Cryptantha barbigera M. A. Piehl 1963-5-30 63489 Los Angeles just W of Rocky Pt Cmpgrd, Littlerock Reservoir ca. 5.5 mi SW of Littlerock 914 Comment
  SBBG31158  Cryptantha clevelandii R. F. Thorne with M. Z. Thorne 1966-5-31 36422 Los Angeles ridge running S from Orizaba Mtn 579 Comment
  UCR143263  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 S- 4351 Los Angeles Channel Islands, Hamilton's Canyon near Avalon, Santa Catalina Island 80 Comment
  SBBG63674  Cryptantha corollata R. Hoffmann 1930-6-6 Los Angeles Liebre Station, Ridge Route [historic site] Comment
  RSA660085  Cryptantha echinella Orlando Mistretta 1992-5-25 432 Los Angeles Fenner Canyon Conservation Camp 1738 Comment
  UCD119802  Cryptantha flaccida Collector unknown 1923-5-22 271 Los Angeles Eaton Canyon. Comment
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Sep 6 2013
  RSA191109  Cryptantha intermedia R. F. Thorne, M. Z. Thorne 1967-6-25 37095 Los Angeles Between Cobal and Evey Canyons; 731 Comment
  POM368242  Cryptantha intermedia E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  POM9236  Cryptantha intermedia P. A. Munz 1920-3-17 3365 Los Angeles Lone Hill, glendora. 335 Comment
  RSA0075634  Cryptantha intermedia var. johnstonii L. C. Wheeler 1932-4-15 621 Los Angeles 2.5 miles NNE of Claremont 419 Comment
  LA94310  Cryptantha micromeres Carl Epling; 1925-5-15 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA654033  Cryptantha micromeres Valerie L. Soza, Laura Moore 2000-5-10 854 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak 1936. 579 Comment
  SEINET3152299  Cryptantha microstachys G. B. Grant 1904-5-24 241 Los Angeles Pasadena; Comment
  RSA0079393  Cryptantha muricata var. jonesii Pam De Vries 2011-5-4 7763 Los Angeles Southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita). 501 Comment
  UCR93295  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1994-5-25 7941 Los Angeles Liebre Mtns., Necktie Basin: Hanging basin c. 470-830 m west of Warm Springs Mtn. summit, c. 600-800 m WSW of summit 1076 Comment
  RSA0079281  Cryptantha muricata var. muricata Frances L. Cramer 1934-3-15 s.n. Los Angeles Santa Susana Pass. Comment
  UC1871243  Cryptantha nevadensis T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5036 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  UCR186944  Cryptantha nevadensis var. rigida A. C. Sanders 2006-4-10 31996 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
  UC1928587  Cryptantha oxygona Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 54 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA524202  Cryptantha oxygona Tim Ross, Steve Boyd 1990-6-6 2895 Los Angeles Piru Pond: Los Padres National Forest (admin. by Angeles N.F.). 645 Comment
  SD69480  Cryptantha wigginsii Robert F. Thorne 1966-4-5 35850 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon 105 Comment
  RSA518480  Cupressus macrocarpa A. C. Sanders 1987-12-4 7446 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  CAS-BOT-BC224475  Cuscuta californica Le Roy Abrams 1902-7-5 1560 Los Angeles Azusa Comment
  CAS-BOT-BC224480  Cuscuta californica I. M. Johnston 1917-8-22 1686 Los Angeles San Antonio Mountains. Pine Mt. 2438 Comment
  CAS-BOT-BC224489  Cuscuta californica Alice Eastwood 1915-8-25 4902 Los Angeles Duarte Comment
  CAS-BOT-BC224494  Cuscuta californica Timothy S. Ross; Steve Boyd 1994-9-21 8285 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  SBBG58150  Cuscuta californica R. Hoffmann 1927-6-13 Los Angeles near Chandler's Comment
  RSA732850  Cuscuta californica var. californica R. G. Swinney 2001-5-18 7939 Los Angeles Mojave Desert: Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy. 138. 1284 Comment
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Apr 17 2010
  RSA709747  Cuscuta pentagona A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27126 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters. 320 Comment
  RSA586639  Cylindropuntia echinocarpa Orlando Mistretta 1995-6-1 1745 Los Angeles Carr Canyon, near mouth of canyon 945 Comment
  CAS-BOT-BC190268  Cynodon dactylon Geo. B. Grant 1904-5-10 s.n. Los Angeles Pasadena. Comment
  RSA0034929  Cynodon dactylon P. R. Brown 1970-4-25 13 Los Angeles Upper end of Canon de Lana. Woodland Hills Nature Center. Comment
  RSA608304  Cyperus difformis L. C. Wheeler 1946-9-8 6352 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 - 3/4 mile W of Bear Creek. 518 Comment
  UCR218021  Cyperus odoratus A. C. Sanders, Dan S. Cooper 2010-8-5 38539 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA188707  Cytisus monspessulanus R. F. Thorne 1965-6-22 34858 Los Angeles Santa Catalina Island: along Upper Pebble [Pebbly] Beach road 30 Comment
  RSA25628  Cytisus monspessulanus C. B. Wolf 1941-6-25 10892 Los Angeles About 1 mile NE of the Wrigley Mausoleum at head of Avalon Valley; Santa Catalina Island. 122 Comment
  SD252241  Dactylis glomerata Steven A. Junak 1999-4-23 Sca 857 Los Angeles Santa Catalina Island. W fork of canyon above Howland's Landing, above road. 523 Comment
  RSA482327  Datisca glomerata Aaron Liston, S. D. Boyd 1987-6-24 578 -1 Los Angeles Upper Big Tujunga Canyon, at base of small drainage 1120 Comment
  RSA121919A  Datura stramonium Louis C. Wheeler 1931-8-6 S- 10 Los Angeles 2 miles north of Claremont. 412 Comment
  LA82091  Daucus pusillus O. H. Kappler; 1944-6-11 675 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA527602  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4429 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UC557736  Daucus pusillus Nell Murbarger March, 1936 37 Los Angeles mesa summit to beach on e. side of island San Clemente Isl. Comment
  CAS-BOT-BC130920  Deinandra clementina E. R. Blakley 1961-10-21 4790 Los Angeles Landing Cove, Santa Barbara Island 6 Comment
  CAS-BOT-BC130929  Deinandra clementina I. E. Diehl 1902-6-28 257 Los Angeles Avalon, Catalina Island Comment
  SBBG31535  Deinandra clementina R. M. Beauchamp 1967-3-18 309 Los Angeles W of Wilson Cove Comment
  SBBG84735  Deinandra clementina M. R. Benedict 1971-6-25 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SD139339  Deinandra clementina Jon Rebman, Jonathan Dunn 1996-4-29 3117 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 24 Comment
  CAS-BOT-BC299299  Deinandra fasciculata L. R. Abrams; I. L. Wiggins 1931-7-3 303 Los Angeles Santa Barbara Island Comment
  SD9034  Deinandra fasciculata J. C. Nevin 1885-1 Los Angeles Los Angeles Comment
  UC89082  Deinandra fasciculata M. K. Curran 1885-7-1 Los Angeles Downey Comment
  UC897751  Deinandra fasciculata Carl Epling, N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mts Comment
  CAS-BOT-BC299284  Deinandra fasciculata Alice Eastwood 1906-5-27 91 Los Angeles Country adjacent to Los Angeles Comment
  CAS-BOT-BC299290  Deinandra fasciculata H. M. Hall 1902-5-12 3289 Los Angeles Howard Summit near Los Angeles Comment
  SD134521  Deinandra minthornii Craig Reiser 1988-9-1 Los Angeles Hummingbird Creek near Simi Valley Comment
  UCR241699  Delosperma Dan S. Cooper 2012-9-6 912- 76 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park 137 Comment
  RSA0102436  Delphinium X belladonna Scarlett Mellin 1994-5-28 20 Los Angeles Diamond Bar Hills. Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive. Comment
  RSA394511  Delphinium cardinale H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills. Comment
  RSA713807  Delphinium cardinale Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1353 Los Angeles Mesa Lila Rd, southeast side of Henderson Canyon. 427 Comment
  RSA68781  Delphinium parishii subsp. parishii F. W. Peirson 1917-5-13 640 Los Angeles Near Big Rock Creek, Mojave Desert; San Gabriel Mountains. Comment
  POM148  Delphinium parryi J. F. Illingworth 1898-06 s.n. Los Angeles Claremont. 366 Comment
  RSA187960  Delphinium parryi Robert F. Thorne 1966-4-30 187960 Los Angeles Santa Catalina Island; mouth of Gallagher's Canyon. 8 Comment
  CAS-BOT-BC116267  Delphinium parryi subsp. parryi John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  RSA732811  Delphinium parryi subsp. parryi R. G. Swinney 2000-5-19 7683 Los Angeles San Gabriel Mtns.: San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden hills Rd. and 400 m west of stream. 512 Comment
  SBBG122107  Delphinium parryi subsp. parryi A. Parikh, N. Gale 2003-5-24 736 Los Angeles Plum Cyn, 1.3 km SSW of Cruzan Mesa, 2.1 km W of Sierra Hwy 622 Comment
  POM293283  Delphinium parryi subsp. parryi Lyman Benson 1947-4-18 12310 Los Angeles Claremont, Indian Hill. 427 Comment
  UCR108447  Delphinium patens L. C. Wheeler 1967-5-18 9622 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA400039  Delphinium patens subsp. hepaticoideum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  LA45868  Dendromecon rigida Harvey Anderson; 1932-5-9 sn Los Angeles Sandbergs Comment
  RSA433210  Dendromecon rigida T. W. Minthorn 1924-4-1 s.n. Los Angeles Mint Canyon. Bet. Newhall and Palmdale. Comment
  UCD95273  Dendromecon rigida K. C. Zakar 1969-7-1 s.n. Los Angeles Pine forest community; Cloudburst Summit, Angeles Crest Hgwy, San Gabriel Mtns. 1828 Comment
  RSA433208  Dendromecon rigida Alva Watry 1951-5-10 s.n. Los Angeles Rattlesnake Canyon: Angeles National Forest. Comment
  SEINET4085840  Dendromecon rigida subsp. rigida R. Gustafson 1977-1 sn Los Angeles Tapia Park, Malibu Canyon, Santa Monica Mountains. Comment
  SBBG72163  Descurainia pinnata R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  RSA799804  Descurainia sophia Pam De Vries 2013-4-3 7828 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  CAS-BOT-BC43491  Descurainia sophia Ira L. Wiggins 1966-5-24 20651 Los Angeles Along Palmdale Boulevard between Street 90 E and Street 150 E, about 15 miles east of Palmdale. Comment
  SEINET3245636  Dicentra chrysantha R. G. Swinney 2009-1 11290 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley; San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway (Azusa 7.5') 194 Comment
  CAS-BOT-BC499445  Dichelostemma capitatum J. H. Thomas 1949-2-22 3 Los Angeles San Clemente Island, near Wilson's Cove. Comment
  RSA376854  Dichelostemma capitatum subsp. capitatum M. Bisbee 1917-4-15 42 Los Angeles East hills of Eagle Rock Valley Comment
  RSA709685  Dichelostemma capitatum subsp. capitatum LeRoy Gross 2005-4-28 2175 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
  SEINET8472339  Dichelostemma capitatum subsp. capitatum N. J. Hartke 1953-4-1 8 Los Angeles Ganesha Hills, Pomona. Comment
  RSA188198  Dichondra occidentalis R. F. Thorne, P. C. Everett 1965-6-24 35020 Los Angeles Catalina Island. Rancho Escondido, Escondido Canyon 213 Comment
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Jan 14 2008
  RSA752344  Digitaria ischaemum Justin M. Wood 2009-7-25 1161 Los Angeles Private residence on Ramona Ave, just SE of intersection of Arrow Highway and Mills Ave. 351 Comment
  PASA645  Digitaria sanguinalis Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  SEINET14453299  Diplacus johnstonii Noel H. Holmgren, James L. Reveal 1966-1 2615 Los Angeles San Gabriel Mountains, 2 miles northwest of Mt. Wilson 1646 Comment
  SEINET4095744  Diplacus puniceus R. Moran 1941-1 628 Los Angeles Bottom of wash, Johnson's Valley, Santa Catalina Island. 100 Comment
  RSA530708  Diplotaxis tenuifolia H. L. Bauer 1929-4-15 s.n. Los Angeles Long Beach. Comment
  CAS-BOT-BC195620  Distichlis spicata I. Johnston 1917-5-13 s.n. Los Angeles El Monte 91 Comment
  UC402542  Dithyrea californica George B. Grant 1904-5-14 266 a Los Angeles Playa del Rey Comment
  SBBG38688  Dodecatheon clevelandii subsp. insulare R. Moran 1941-2-16 571 Los Angeles Middle Ranch 500 Comment
  CATA2954  Drymocallis glandulosa Sarah Ratay 2006-8-9 98 Los Angeles Santa Catalina Island: Middle Canyon, NW side of drainage, few hundred meters E of Three Oaks Turnout, growing on NW side of a Malosma laurinia shrub 128 Comment
  RSA681158  Drymocallis glandulosa LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1067 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 550 Comment
  RSA586690  Drymocallis glandulosa var. viscida Orlando Mistretta, Mark A. Elvin 1995-6-20 1792 Los Angeles San Gabriel Mountains, Bare Mountain Canyon; Fountainhead Spring, E of Pacifico Mtn. 2012 Comment
  LA200111  Dryopteris arguta Lawrence L. Kiefer; 1966-3-6 1645 Los Angeles SANTA MONICA MOUNTAINS, San Nicholas Canyon, ca 0.75 mi from canyon mouth. 152 Comment
  LA91444  Dryopteris arguta Bruce Douglas Clayton; Greg Shaw 1972-4-1 45 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, Shovel Spring. 502 Comment
  POM155663  Dryopteris arguta M. B. Dunkle 1928-5-13 1948 Los Angeles Santa Catalina Island: north slope Eagle's Nest 106 Comment
  UC42170  Dryopteris arguta W. H. Brewer 1861-1-9 118 Los Angeles San Gabriel Comment
  CAS-BOT-BC67901  Dryopteris arguta Mrs. Frank 1900-2-1 s.n. Los Angeles Sta. Catalina Island Comment
  RSA649989  Dryopteris arguta Donald A. Job 1949-1-29 s.n. Los Angeles San Dimas. 290 Comment
  RSA584592  Dudleya cymosa subsp. pumila T. S. Ross, Orlando Mistretta 1993-5-26 7317 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (USFS) between Wilson Canyon Saddle and May Canyon Saddle; N slope of the 3834-foot peak NW of May Canyon Saddle. 1098 Comment
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Sep 30 2014
  UC115207  Dudleya cymosa subsp. pumila A. J. McClatchie 1896-5-25 Los Angeles San Gabriel Mtns Comment
  UC1127121  Dudleya lanceolata Jerome S. Horton 1937-6-14 461 Los Angeles San Dimas Wash Pomona Quadrangle 365 Comment
  UC407281  Dudleya lanceolata LeRoy Abrams 1902-6-15 2546 Los Angeles Sepulveda Canyon Santa Monica Mtns Comment
  UCR238637  Dudleya lanceolata Anuja Parikh, Nathan Gale 2010-6-30 3379 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Peak, 0.8 km ESE of the summit, [Upper Clamshell Truck Trail]1.7 km N of White Saddle 1250 Comment
  UCR61047  Dudleya lanceolata R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., in and Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill firebreak 488 Comment
  RSA303604  Dudleya lanceolata J. R. Shevock 1970-5-5 191 Los Angeles Little Tujunga Canyon 365 Comment
  RSA608255  Echinochloa crus-galli L. C. Wheeler 1966-10-25 9060 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  PASA1873  Echinocystis macrocarpa Sally Ellis 1946-3-25 Los Angeles Claremont Comment
  CAS-BOT-BC445602  Echinodorus berteroi R. G. Swinney 2009-7-1 11295 Los Angeles Transverse Range; San Gabriel Mtns.: Puddingstone Diversion Dam, San Dimas Canyon. 354 Comment
  UCD169229  Eleocharis R. G. Swinney 2009-5-28 10924 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SD82933  Eleocharis montevidensis Arthur C. Gibson, Linda C. Gibson 1972-3-11 2785 Los Angeles Growing in moist, sandy soil in Big Tujunga Wash, along the stream. Comment
  UCR274120  Elymus condensatus Steven A. Junak 2000-7-1 SCa- 1373 Los Angeles California Islands, Santa Catalina Island, Cape Canyon Comment
  RSA91968  Elymus elymoides subsp. elymoides F. W. Peirson 1920-9-15 5370 Los Angeles Along ridge west of summit of Mt. San Antonio, San Gabriel Mountains. 2896 Comment
  RSA757075  Elymus glaucus R. G. Swinney 2008-9-13 9455 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  CAS-BOT-BC206742  Elymus glaucus subsp. glaucus Joseph Andorfer Ewan 1933-6-17 10823 Los Angeles Temescal Canyon, Santa Monica Mts. Comment
  SEINET13276844 Image available Elymus hispidus R. G. Swinney 2011-1 15509 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the north base of Strawberry Peak (Chilao Flat 7.5' Q.) 1170 Comment
  RSA729971  Elymus stebbinsii R. G. Swinney 1999-5-29 7211 Los Angeles San Gabriel Mtns.: San Dimas Canyon, main fork c. 100 m north of confluence with Wolfskill Canyon 537 Comment
  UCR125184  Elymus triticoides A. C. Sanders, Mark Elvin 2002-6-25 25263 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
  RSA517116  Elytrigia intermedia subsp. intermedia Timothy S. Ross 1990-5-14 2471 Los Angeles Angeles National Forest: Yerba Buena Ridge Tujunga Ranger District 1128 Comment
  UCR192573  Emmenanthe penduliflora A. C. Sanders 2008-4-10 34828 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
  UCR281959  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2014-4-24 16234 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  RSA150685  Encelia californica Peter H. Raven 1962-5-9 17659 Los Angeles San Clemente Island, along road just north of Guds. 250 Comment
  UCR214615  Encelia californica A. C. Sanders, Dan S. Cooper 2010-3-12 37356 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC81804  Ephedra nevadensis L. R. Abrams 1924-4-2 10125 Los Angeles Mint [Canon] Canyon Comment
  SBBG56458  Ephedra nevadensis R. Hoffmann 1929-5-19 Los Angeles Harold Comment
  UCR258725  Ephedra nevadensis R. G. Swinney 2010-5-19 12836 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR281372  Ephedra nevadensis R. G. Swinney 2014-4-23 16147 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  UCR129929  Ephedra viridis Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1134 Los Angeles San Gabriel Mtns, Santiago Canyon 1143 Comment
  CAS-BOT-BC166211  Epilobium canum subsp. canum Louis C. Wheeler 1931-9-26 160 Los Angeles 2 mi. N Claremont 411 Comment
  HSC33357  Epilobium canum subsp. canum E. A. Wise 4 Los Angeles Tapia Park, 10 mi. E of coast on Malibu Rd. Comment
  POM37819  Epilobium canum subsp. canum Marcus E. Jones 1902-6-27 s.n. Los Angeles Santa Catalina Island. Comment
  RSA149820  Epilobium canum subsp. canum George W. Barclay 1839-09 3053 Los Angeles San Pedro. Comment
  RSA588398  Epilobium canum subsp. canum Samuel R. Tyson 1942-11-27 s.n. Los Angeles San Dimas Experimental Forest. West Fork of San Dimas Canyon. Comment
  RSA591466  Epilobium canum subsp. canum Louis C. Wheeler 1966-10-12 8968 Los Angeles San Gabriel Mountains. Susanna Canyon, 1/4 mi. downstream from falls. 534 Comment
  UCR124360  Epilobium canum subsp. canum B. C. Templeton 1929-11-24 1452 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 180 Comment
  CHSC22139  Epilobium canum subsp. latifolium Robert A. Schlising 1971-9-14 2997 Los Angeles At jct Horse Flats Road and Angeles Crest Highway (Hwy 2), 2.2 miles NE of Upper Chileo. Comment
  POM305720  Epilobium canum subsp. latifolium Henry J. Ramsey, Henry J. Ramsey 1937-6-27 934 Los Angeles Pine Canyon, Angeles National Forest Comment
  UC284995  Epilobium canum subsp. latifolium P. A. Munz 1923-9-1 7710 Los Angeles narrow n-facing canyon at old sawmill San Antonio Mts., Swartout Valley 2042 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
  UCR133746  Epilobium ciliatum F. R. Fosberg 1931-7-10 S- 5370 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA311283  Epilobium ciliatum subsp. ciliatum Robert F. Thorne 1969-7-10 38419 Los Angeles San Gabriel Mts; Angeles National Forest; south of Wrightwood-Big Pines Hwy, c. 1.5 miles W of Wrightwood, Swarthout Valley 1951 Comment
  RSA610429  Epilobium ciliatum subsp. ciliatum R. S. Woglum 1940-7-6 2905 Los Angeles San Gabriel Mountains, Angeles National Forest, Charlton Flats Comment
  UC625071  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1931-7-10 S 5370 Los Angeles below spring and in creek bed Santa Catalina Island, Middle Ranch Canyon, Eagle's Nest 180 Comment
  UCR113664  Epilobium ciliatum subsp. ciliatum L. C. Wheeler 1968-6-14 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Spring on north side of Blue Ridge by Guffy Camp Comment
  UCR103766  Epilobium densiflorum David Charlton 1989-6-10 3214 Los Angeles Tehachapi Mtns., Tejon Pass, [Tejon Post Rd] Gorman Post Rd., 1 mile [S]SE of Gorman, alkali spring at the electric substation. 1098 Comment
  LA94794  Epipactis gigantea Peter H. Raven; Henry J. Thompson 1960-7-17 15541 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  POM1815  Epipactis gigantea F. M. Baldwin 1899-6-10 s.n. Los Angeles Burbank Canyon, Claremont, [San Gabriel Mountains]. 457 Comment
  RSA639594  Equisetum arvense L. C. Wheeler 1933-7-7 1919 Los Angeles Lexington Wash near El Monte. 73 Comment
  POM47142  Equisetum hyemale var. affine I. M. Johnston 1924-8-13 s.n. Los Angeles Evey-Palmer Canyon Firebreak. About spring where locally abundant and reaching 10 ft. in height. 1036 Comment
  LA33494  Equisetum laevigatum Peter H. Raven; 1959-10-25 14701 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  SEINET3866289  Equisetum laevigatum Louis C. Wheeler 1967-5-24 9733 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth.; 0 678 Comment
  UCR172287  Equisetum laevigatum Anuja Parikh, Nathan Gale 2005-7-11 2133 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  RSA684701  Equisetum laevigatum Anonymous 9244 Los Angeles [no locality information provided] Comment
  SD186033  Eragrostis barrelieri A. C. Sanders, Kim Marsden 2003-6-20 26989 Los Angeles Del Valle area, between San Marinez Grande Canyon Rd. and Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch. 305 Comment
  RSA596209  Eragrostis pectinacea Lauren Raz, Steve Boyd 1996-10-23 20 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  CAS-BOT-BC284131  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley, Gorman Highway 5 miles west of Highway 14, Mojave Desert 1005 Comment
  UC1122010  Eremalche exilis A. D. Gifford 1935-4-21 614 Los Angeles 2 mi. n.e. Manzana; Tejon Quad. Comment
  JEPS52501  Eremocarpus setiger Elizabeth Day Palmer 1908-7-28 Los Angeles Los Angeles Comment
  CAS-BOT-BC162726  Eremothera boothii subsp. decorticans W. R. Dudley; F. H. Lamb 1896-6-12 4438 Los Angeles Near Gorman's Station - Tejon Pass, Mt. Pinos Region Comment
  SBBG129306  Eriastrum densifolium subsp. austromontanum A. Parikh, N. Gale 2012-6-24 3594 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of State Hwy 2 (Angeles Crest Hwy); San Gabriel Mtns 1317 Comment
  RSA0104339  Eriastrum densifolium subsp. austromontanum B. C. Templeton 1932-7-21 5048 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  UCR126216  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-14 134 Los Angeles San Gabriel Mtns., Lower Big Tujunga Creek (upper Tujunga Valley), in center of wash, 400 m north of western end of Wentworth St. in city of Sunland 378 Comment
  RSA0120066  Eriastrum eremicum subsp. eremicum H. E. Hasse 1906-6-1 s.n. Los Angeles Big Rock Creek. Comment
  JEPS7993  Eriastrum filifolium L. R. Heckard 1953-5-2 371 Los Angeles On point near ocean just s Camp Orizaba (Pasadena YMCA Camp), Santa Catalina Island. Comment
  CAS-BOT-BC514981  Eriastrum sapphirinum subsp. dasyanthum C. F. Baker 1903-7-20 3345 Los Angeles Claremont Comment
  CAS-BOT-BC515033  Eriastrum sapphirinum subsp. sapphirinum Fordyce Grinnell, Jr. 1917-6-30 s.n. Los Angeles Altadena 475 Comment
  UCSB24617  Ericameria cooperi Head, W. 1966-5-13 Los Angeles 2 miles southeast Littlerock; along Highway 138; Mojave Desert 548 Comment
  UC1118697  Ericameria cooperi var. cooperi G. T. Nordstrom 1935-1-8 303 Los Angeles 4 mi e of Bear Mountain; Tejon Qauadrangle Comment
  SFV21423  Ericameria linearifolia L. Gross, T. Anderson 2004-5-3 1216 Los Angeles San Gabriel Mountains Road started west of Mount Lukens, down (southeast) to a little west of Earl Canyon Road (USFS Roads 2N76.1 & 2N76.2) 1380 Comment
  CAS-BOT-BC299099  Ericameria nauseosa var. leiosperma Ernest C. Twisselmann 1970-10-17 17553 Los Angeles Wastelands at the W shore of Rosamond Dry Lake 716 Comment
  CAS-BOT-BC298053  Ericameria nauseosa var. mohavensis Ernest C. Twisselmann 1959-10-4 5852 Los Angeles San Emigdio Range and the Mt Pinos Region. Gorman: waste area at the Standard Oil Service Station 1127 Comment
  RSA773858  Ericameria nauseosa var. mohavensis R. G. Swinney 2009-8-25 11467 Los Angeles west summit of Table Mountain, NE of Big Pines. 2284 Comment
  SD11856  Ericameria nauseosa var. mohavensis C. B. Wolf 1931-10-23 2491 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mountains 1830 Comment
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Jul 4 2013
  SD30748  Ericameria pachylepis Edith A. Purer 1933-10-7 5583 Los Angeles Along roadside, Los Angeles flood plain, east of El Segundo. Comment
  SBBG128413  Ericameria palmeri var. pachylepis M. L. Hoefs, S. A. Junak, J. Takara, K. Kirkland 1995-11-10 2554 Los Angeles lower rd to Empire Landing, toward beach 24 Comment
  RSA702817  Ericameria parishii Scott D. White 2004-8-20 10726 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  CAS-BOT-BC131650  Ericameria parishii var. parishii F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC293155  Ericameria pinifolia Samuel B. Parish 1882-10-1 1131 Los Angeles Santa Monica Comment
  POM41768  Ericameria pinifolia Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  UCR206457  Erigeron foliosus R. G. Swinney 2008-6-9 8964 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  OBI5692  Erigeron foliosus var. foliosus Carl B. Wolf 1931-5-13 1999 Los Angeles Pacoima Wash, near bridge on the rd from Tujunga to san Fernando 366 Comment
  SBBG60609  Erigeron foliosus var. foliosus R. Hoffmann 1927-8-21 Los Angeles Oak's Garage, Mint Cyn Comment
  SEINET3200282  Erigeron foliosus var. foliosus G. Rink 2011-6-1 10579 Los Angeles Chino Hills, northeast of La Brea, weedy place. 260 Comment
  CAS-BOT-BC189193  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1936-7-1 4204 Los Angeles Bell Canyon, San Gabriel Mountains 944 Comment
  SBBG121261  Eriodictyon crassifolium var. nigrescens V. Soza, L. Moore 2000-5-10 836 Los Angeles Verdugo Crestline Dr, N of La Tuna Cyn and S of Pasko Park; fire rd S of Verdugo Crestline Dr at fire gate to power lines 594 Comment
  UC1124351  Eriodictyon crassifolium var. nigrescens A. Lewis Feb 1934 270 Los Angeles San Francisquito Canyon; Angeles National Forest, Elizabeth Lake Quad. Comment
  UCR271526  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-31 14901 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  CAS-BOT-BC188943  Eriodictyon parryi John H. Thomas 1957-5-8 6740 Los Angeles About 13 miles NE of center of Pasadena, San Gabriel Mountains 1676 Comment
  CAS-BOT-BC222680  Eriodictyon trichocalyx I. M. Johnston 1917-7-28 1574 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 2286 Comment
  CAS-BOT-BC222689  Eriodictyon trichocalyx P. A. Munz 1918-5-16 2250 Los Angeles Claremont Comment
  CAS-BOT-BC376120  Eriodictyon trichocalyx var. trichocalyx Marck Menke 2002-3-29 132 Los Angeles San Gabriel Mts., Glendora Mountain Road at a pullout north of the intersection with Glendora Ridge Road Comment
  LA205720  Eriodictyon trichocalyx var. trichocalyx Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Cajon Pass Comment
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Nov 11 2014
  RSA607813  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains; Devil s Canyon. 1433 Comment
  UC1929463  Eriogonum Mark Elvin, Orlando Mistretta 1996-3-24 139 Los Angeles Channel Islands; San Clemente Island: Eagle Canyon. Comment
  UCR240277  Eriogonum S. J. Myers 2010-6-14 s.n. Los Angeles Western Mojave Desert, Antelope Valley, California Poppy Preserve, Southern California Edison transmission tower on a low ridge at the eastern end of the Antelope Buttes, east of 130th St. West, north of West Ave. E 8, NW of Lancaster 822 Comment
  CAS-BOT-BC248472  Eriogonum angulosum Sam Foster 1956-10-31 s.n. Los Angeles Between Solemint & Saugus Comment
  SEINET3246222  Eriogonum angulosum Mark A. Elvin 2003-1 2949 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch. 366 Comment
  RSA766415  Eriogonum baileyi Fay A. MacFadden 1929-11-2 86 Los Angeles Near Palmdale 823 Comment
  RSA608006  Eriogonum baileyi var. baileyi Louis C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains; Devil's Canyon. 1433 Comment
  CAS-BOT-BC241904  Eriogonum cinereum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7403 A Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive 164 Comment
  LA94744  Eriogonum cinereum Norman A. Cole; May 1964 324 .1 Los Angeles SANTA MONICA MOUNTAINS, 1.3 mi from Pacific Coast Hwy along Rambla Pacifico. 152 Comment
  SBBG61922  Eriogonum cinereum J. Ewan 1929-8-17 Los Angeles near sea, Trancas Cyn 7 Comment
  UCR147299  Eriogonum cithariforme var. agninum Orlando Mistretta 1992-8-20 758 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  CAS-BOT-BC242746  Eriogonum davidsonii Timothy S. Ross; Steve Boyd 1994-9-20 8254 Los Angeles Liebre Mountains. Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  RSA393173  Eriogonum davidsonii Anstruther Davidson 1905-1 s.n. Los Angeles Hollywood. Comment
  UCR280753  Eriogonum davidsonii R. G. Swinney 2014-4-30 16272 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  CAS-BOT-BC242761  Eriogonum davidsonii John Thomas Howell 1947-7-18 23381 Los Angeles Mill Creek, San Gabriel Mts. 1219 Comment
  RSA491736  Eriogonum davidsonii James L. Reveal, R. Broome 1987-6-26 6579 Los Angeles San Gabriel Mountains: along the Angeles Crest Highway (California Highway 2) a Blue Ridge Summit, 2 miles west of Big Pines 2248 Comment
  SD1305  Eriogonum davidsonii R. B. Randall 1931-7-18 Los Angeles Recreation Camp, Swartout, San Bernardino Mts. Comment
  RSA587215  Eriogonum deflexum var. baratum Orlando Mistretta, Christine Mistretta 1995-5-2 1667 A Los Angeles San Gabriel Mountains: Carr canyon. 1098 Comment
  UC534916  Eriogonum elongatum var. elongatum Mrs. H. P. Bracelin and Ray Fosberg 1931-10-11 571 Los Angeles 3 mi e Ocean beach; Santa Monica Mts., Topanga Canyon Comment
  RSA580977  Eriogonum fasciculatum Catherine A. Mish 1995-3-4 18 Los Angeles Caballero Canyon. 380 Comment
  UCR205548  Eriogonum fasciculatum subsp. fasciculatum A. C. Sanders, T. B. Salvato 2009-5-19 36817 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
  RSA773801  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-17 11153 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  UCR223916  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-24 11281 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  CAS-BOT-BC253257  Eriogonum fasciculatum var. foliolosum Timothy S. Ross; Steve Boyd 1994-7-7 8165 Los Angeles South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, ANgeles Nat'l Forest map, 1982), Upper Cienaga Canyon, Liebre Mountains 1018 Comment
  CAS-BOT-BC253258  Eriogonum fasciculatum var. foliolosum Timothy S. Ross; Steve Boyd 1994-9-20 8228 Los Angeles Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road, Liebre Mountains 902 Comment
  UC849425  Eriogonum fasciculatum var. foliolosum Marcus E. Jones, A. M. 1882-2-25 3019 Los Angeles Pasadena Comment
  CAS-BOT-BC250113  Eriogonum fasciculatum var. polifolium Le Roy Abrams; E. A. McGregor 1908-6-19 324 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA515128  Eriogonum giganteum var. formosum Aaron Liston 1989-4-30 805 -1 Los Angeles San Clemente Island. Waynuk Canyon, W slope of island. Comment
  SBBG31239  Eriogonum giganteum var. giganteum R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles lower portion of Hamilton Cyn 76 Comment
  UC1032331  Eriogonum gracile Jerome S. Horton 1935-9-20 240 Los Angeles Dalton Canyon above C.C.C. Camp; Pomona Quadrangle, Dalton Canyon Comment
  RSA66031  Eriogonum gracile var. gracile F. W. Peirson 1923-10-7 4164 Los Angeles Railroad station at Newhall. Comment
  RSA755827  Eriogonum heermannii R. G. Swinney 2008-10-7 9484 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA0025354  Eriogonum hirtiflorum Anuja Parikh, Nathan Gale 2010-6-18 3339 Los Angeles TR, SnGb, Upper Big Tujunga Canyon, 0.9 km N of State Highway 2 (SH 2, Angeles Crest Hwy), 0.3 km W of Upper Big Tujunga Canyon Road. 1240 Comment
  JEPS56459  Eriogonum pusillum Frank W. Peirson 1921-5-19 2406 Los Angeles Little Rock Creek San Gabriel Mountains, Little Rock Creek Comment
  RSA630309  Eriogonum pusillum Louis C. Wheeler 1968-4-17 s.n. Los Angeles Big Rock Creek 1 mile north of Big Rock Springs. 1143 Comment
  UCR264734  Eriogonum pusillum Steve Boyd, Gary D. Wallace 2011-4-14 12316 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
  RSA424843  Eriogonum pusillum F. W. Peirson 1921-7-2 s.n. Los Angeles Pallett Creek, San Gabriel Mountains. 1098 Comment
  SBBG65436  Eriogonum reniforme R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  CAS-BOT-BC253057  Eriogonum roseum Timothy S. Ross; Steve Boyd 1994-9-21 8281 Los Angeles Vicinity of West Summit, construed as knoll ca 85 m S of intersection of sections 3,4,9,10, , Liebre Mountains 1708 Comment
  RSA524638  Eriogonum roseum Tim S. Ross, S. D. Boyd 1990-6-6 2813 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  UCR180380  Eriogonum roseum Scott D. White, Andrea Warniment 2006-7-6 11606 Los Angeles SE Tehachapi Mtns, Gorman area, sag ponds and adjacent slopes just N of Gorman Post Road 1143 Comment
  CAS-BOT-BC267622  Eriogonum saxatile H. E. McMinn 1926-7-22 1785 Los Angeles Trail from Camp Baldy to Mt. San Antonio Comment
  JEPS56302  Eriogonum saxatile F. R. Fosberg and J. Ewan 1931-8-12 4922 Los Angeles n slope Mount Islip Mount Islip 2438 Comment
  RSA781294  Eriogonum saxatile R. G. Swinney 2009-7-23 11377 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET13276750 Image available Eriogonum saxatile R. G. Swinney 2011-1 15700 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
  UCR145163  Eriogonum saxatile June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  CAS-BOT-BC262865  Eriogonum thurberi Peter Kamb 1948-6-26 1125 Los Angeles Tujunga Wash near Sunland 350 Comment
  UC205985  Eriogonum thurberi I. Johnston 1917-5-13 978 Los Angeles San Gabriel Wash 152 Comment
  RSA233721  Eriogonum umbellatum var. minus Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42253 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  RSA529202  Eriogonum umbellatum var. munzii Tim S. Ross, S. D. Boyd 1991-7-24 5603 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1927 Comment
  UC1595311  Eriogonum umbellatum var. munzii Tim Ross, Steve Boyd 1990-6-18 3474 Los Angeles n draw draining to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mts., Mescal Creek USGS 7.5' quad. 1877 Comment
  SEINET6088125  Eriogonum wrightii Louis C. Wheeler 1968-7-23 Los Angeles San Gabriel Mtns Comment
  RSA420585  Eriogonum wrightii var. subscaposum Anstruther Davidson 1926-08 s.n. Los Angeles Mt. San Antonio. Comment
  CAS-BOT-BC297951  Eriophyllum confertiflorum A. D. E. Elmer 1902-6-1 3712 Los Angeles Acron, Mt Gleason Comment
  RSA608713  Eriophyllum confertiflorum L. C. Wheeler 1931-3-30 s.n. Los Angeles La Verne. Comment
  UCD132138  Eriophyllum confertiflorum Victor Duran 1933-7-8 3502 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  UCR202715  Eriophyllum confertiflorum R. G. Swinney 2001-8-18 8061 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  LA102222  Eriophyllum confertiflorum var. confertiflorum Barry A. Prigge; 1985-6-14 6402 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail from upper gate of Cold Creek Preserve to Murphy Ranch site. 658 Comment
  LA94441  Eriophyllum confertiflorum var. confertiflorum Carl Epling; Lincoln Ellison 1929-4-27 43 Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA640149  Eriophyllum confertiflorum var. confertiflorum L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  SBBG96975  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4327 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  RSA190995  Eriophyllum pringlei R. F. Thorne 1963-5-15 31682 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
  LA35708  Erodium brachycarpum David Dunn; 1941-4-24 1255 Los Angeles UCLA Campus Botany Garden Comment
  SFV18428  Erodium cicutarium C. Ferguson 1971-5-5 s.n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Hillside east of Nature Center. 460 Comment
  UC1130275  Erodium cicutarium P. L. Johannsen 1934-3-5 313 Los Angeles 1 mi ne Castac; Santa Susana Quad. 457 Comment
  LA200508  Erodium cicutarium Harlan Lewis; 1940-2-24 1090 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA483724  Erodium cicutarium Richard Noyes 1988-4-30 518 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 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
  SBBG19185  Erodium cicutarium M. A. Piehl 1963-12-8 631094 Los Angeles Cave Cyn, 0.25 mi from mouth 30 Comment
  RSA390952  Erodium macrophyllum Anstruther Davidson 1906-5-12 1459 Los Angeles Providencia Ranch, Hollywood. Comment
  CHSC99448  Erodium moschatum LeRoy Gross 2000-4-9 167 Los Angeles City of Sunland: Bluff south side of Big Tujunga Wash, weed in yard in housing tract called Sunhill Estates. 365 Comment
  RSA0094562  Erysimum capitatum Richard G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  LA204346  Erysimum capitatum var. capitatum R. A. Freeman; 1950-7-4 sn Los Angeles San Gabriel Mountains, Turnout area 32.6 mi beyond Red Box 1280 Comment
  SBBG66755  Erythranthe cardinalis M. N. Ackley -Jun-1926 1051 Los Angeles near Glendale Comment
  SD90256  Erythranthe guttata Robert F. Thorne 1973-4-11 42837 Los Angeles San Clemente Island, wet bottom of Norton Canyon 274 Comment
  CHSC26327  Erythranthe palmeri Wesley O. Griesel 1966-4-23 Los Angeles State Hwy. #2, Newcombs Ranch, San Gabriel Mts. 1828 Comment
  LA202015  Eschscholzia caespitosa Arthur C. Gibson; 2003-8-1 5023 Los Angeles Santa Monica Mountains, Calabasas, fire road off Old Topanga Rd Comment
  UC855150  Eschscholzia californica I. W. Clokey 1942-4-19 5973 Los Angeles West Arcadia 250 Comment
  UCR220238  Eschscholzia californica R. G. Swinney 2009-4-15 10336 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  RSA0038398  Eschscholzia californica Harold L. Pirie 1963-4-27 s.n. Los Angeles Santa Monica Mts., near Wells Drive and Calvin Street, Woodland Hills. 274 Comment
  UCSB8553  Eschscholzia californica Haller, John 1950-3-30 Los Angeles UCLA, Le Conte Ave., in front of University Extension buildings Comment
  POM177572  Eschscholzia californica var. peninsularis Ralph Hoffmann 1931-4-28 336 Los Angeles Upper Bouquet Canyon Comment
  SEINET3160688  Eschscholzia elegans G. B. Grant, W. Wheeler 1904-4-21 419 Los Angeles Collected on Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA659945  Eschscholzia minutiflora Orlando Mistretta 1992-5-18 353 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SBBG98459  Eschscholzia ramosa T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5068 Los Angeles lower Wilson Cove Cyn, rocky draw SW of and above pier operations 15 Comment
  SDSU844  Eschscholzia ramosa R. M. Beauchamp 1967-1-28 149 Los Angeles Growing in a field one mile north of China Point on seaward slope. San Clemente Island. Comment
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May 16 2008
  SBBG131974  Eschscholzia ramosa S. A. Junak, B. Collins 1991-4-24 SCI 155 Los Angeles upper part of Eel Pt grade 198 Comment
  CATA3118  Eucalyptus camaldulensis Amy Catalano 2016-5-24 123 Los Angeles Santa Catalina Island: North side of Middle Ranch Road between horse corrals and milkhouse 155 Comment
  UC1870223  Eucalyptus camaldulensis LeRoy Gross 2003-1-26 689 Los Angeles Los Angeles Basin Region: San Fernando Valley: Haines Canyon Channel in Big Tujunga Wash, south front of the San Gabriel Mountains, east of Foothill Blvd. south side of wash 366 Comment
  OBI81428  Eucalyptus cornuta Unknown 2007-3-10 122 Los Angeles Open woodlands on slope with Heteromeles. Palos Verdes Peninsula, Palos Verdes Estates, N of Palos VErdes Dr, West, Malaga Creek, Via Alar at Via Corta. 41 Comment
  SEINET3463249  Eucalyptus globulosus Unknown 1939-7-10 119 Los Angeles Los Angeles, Los Angeles, Campus Comment
  UCR178042  Eucalyptus globulus LeRoy Gross 2003-1-25 687 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  CATA606  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs 1991-4-8 1053 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  CDA19812  Eulobus californicus Adams 2002-3-26 PDR 067846 Los Angeles Southern California; Hwy 210 in Pacoima. 0 Comment
  LA46654  Eulobus californicus C. S. Venkatesh; 1957-7-1 4 Los Angeles Comment
  UCR193636  Euphorbia A. C. Sanders 2008-7-10 35736 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR152902  Euphorbia albomarginata A. C. Sanders, Helen Kennedy 2005-4-13 29436 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  JEPS78785  Euphorbia palmeri L. R. Heckard with Michael Morris 1976-6-13 4263 A Los Angeles ca 3 mi w Wrightwood (along Route 2, 0.5 mi w of Holiday Hill Ski Lifts, 0.5 mi e of Big Pines Ranger Station); San Gabriel Mts. 1828 Comment
  CATA1437  Euphorbia peplus Mark L. Hoefs, Robert F. Thorne 1996-4-6 2600 Los Angeles Santa Catalina Island: Pebbly Beach 6 Comment
  CDA4863  Euphorbia peplus A. C. Sanders 2003-3-14 25765 Los Angeles San Gabriel Valley; Long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 Freeway east of the San Gabriel River channel. Comment
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Apr 22 2010
  UCR91382  Euphorbia peplus Scott D. White 1996-4-13 3930 Los Angeles Claremont. Geneva Avenue: north of San Jose, south of Arrow Highway, west of Indian Hill, east of Towne 323 Comment
  RSA127972  Euphorbia serpillifolia P. H. Raven 1959-10-25 14698 Los Angeles Arroyo Sequit 1.6 miles north of Coast Hwy. 137 Comment
  CDA21197  Euphorbia terracina A. Bona 2006-9-26 PDR 1253133 Los Angeles Southwestern California; Dean Dana Friendship Nature Center, W 9th St., San Pedro. 0 Comment
  SD224945  Euphorbia terracina Daryl Koutnik 1996-3-14 Los Angeles Santa Monica Mtns: Corral Canyon Road abuut 1/4 mi. N of Pacific Coast Highway, at crossing of Solstice Canyon. 10 Comment
  UCR56540  Euphorbia terracina A. C. Sanders 1987-12-4 7584 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  SD90286  Extriplex californica Robert F. Thorne 1970-3-6 39387 Los Angeles Santa Catalina Island; rocky slopes above Cotton Canyon beach. 7 Comment
  UCR180377  Festuca arundinacea Scott D. White, Pam Devries 2006-5-9 11414 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  SBBG20524  Festuca myuros E. R. Blakley 1963-12-7 6338 a Los Angeles N of Lighthouse, N of Pyramid Head, shallow cyn sloping to ocean 60 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
  UC1595350  Ficus carica Tim Ross 1992-5-17 6356 Los Angeles (156 degrees sse), 285 m distant from mouth of Shoemaker Canyon (East Fork of San Gabriel River); San Gabriel Mountains, East Fork San Gabriel River 640 Comment
  CAS-BOT-BC500446  Ficus microcarpa R. E. Riefner, Jr. 2015-7-26 15 -209 Los Angeles City of Los Angeles, E side of Figueroa St. at 45th St. 42 Comment
  UCR267271  Ficus microcarpa R. E. Riefner Jr. 2015-8-21 15- 341 Los Angeles City of Covina, north of I-10 Freeway, east side of Grande Ave. at Walnut Creek, general vicinity of Fairway Ln. 150 Comment
  IRVC28372  Filago californica A. C. Sanders, Tricia Wotipka 2003-4-28 26100 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  UCR153569  Filago gallica A. C. Sanders 2005-5-11 30178 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  RSA656218  Filago gallica Joseph M. Keefe 1978-5-11 22916 Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  RSA470472  Foeniculum vulgare Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  SD69450  Foeniculum vulgare Robert F. Thorne, P. Everett 1965-6-22 Los Angeles Santa Catalina Island: Avalon Canyon 89 Comment
  RSA659538  Foeniculum vulgare Monica Acosta 1998-5-14 3 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. 225 Comment
  CLARK-A1528-3288  Forestiera neomexicana John C. Roos 1937-8-11 22 Los Angeles Lancaster Comment
  CAS-BOT-BC52547  Frangula californica subsp. californica H. E. McMinn 1924-8-4 1222 Los Angeles Huntington Drive near Pasadena Comment
  RSA729323  Frangula californica subsp. cuspidata R. G. Swinney 1999-6-30 7470 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills. 1463 Comment
  UCR147289  Fraxinus dipetala Orlando Mistretta 1992-6-17 590 Los Angeles Transverse Ranges; San Gabriel Mountains, Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon Comment
  SEINET13943186 Image available Fraxinus velutina Leila M. Shultz 1981-1 4938 Los Angeles cultivated Rancho Santa Ana Botanic Garden; ca. 1000 ft alt. 305 Comment
  RSA779983  Fremontodendron californicum R. G. Swinney 2009-6-17 11217 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  SBBG16996  Fremontodendron californicum K. A. Wilson 1962-5-12 1276 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  UCD116293  Fremontodendron californicum Stephen Mason 1995-5-14 64 Los Angeles Vallyermo, Big Rock Creek Rd., just past Sycamore Flat Campground, northern edge of Transverse Range. 1066 Comment
  UC1137176  Fremontodendron californicum subsp. californicum P. L. Johannsen 1934-2-21 301 Los Angeles Santa Susana Mountains 990 Comment
  RSA367723  Fritillaria biflora Anstruther Davidson 1892-04 s.n. Los Angeles Cahuenga. Comment
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Oct 3 2010
  PASA567  Fritillaria biflora Margaret Stason 1932-3-15 Los Angeles Wooded Hillside near Glendora Comment
  POM1726  Fritillaria biflora Philip A. Munz 1918-4-21 2909 Los Angeles South Hills near Pomona. 305 Comment
  RSA746542  Funastrum cynanchoides var. hartwegii A. C. Sanders, T. B. Salvato 2009-5-20 36865 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines NE of Plaza Dr., SE of Montebello Blvd. and SW of San Gabriel Blvd. 96 Comment
  RSA612599  Galium andrewsii Louis C. Wheeler 1933-6-2 1759 Los Angeles Ridge Route near Summit. 1220 Comment
  SBBG46735  Galium andrewsii subsp. intermedium Leota Davidson 1966-5-14 326 Los Angeles Hwy 99 (Ridge Route), S of Oak Flat cmpgrd on Whitaker Park Rd Comment
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Jul 1 2015
  CAS-BOT-BC223023  Galium angustifolium A. C. Sanders; T. B. Salvato 2009-5-29 37035 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 Fwy, S of Live Oak Ave. 114 Comment
  UCD121579  Galium angustifolium A. C. Sanders 2003-6-19 26973 Los Angeles Western Transverse Range/Santa Clara River Watershed: hills west of San Martinez Grande Canyon, north of Hwy. 126, Newhall Ranch. 366 Comment
  UCSB6248  Galium angustifolium H., J. 1934-5-25 Los Angeles San Dimas Exp. Forest; dam no. 2; sec 1, T 1N, R 9W 792 Comment
  UCSB6249  Galium angustifolium Kraebel, C. 1931-9-10 Los Angeles San Dimas Canyon SRE plot Comment
  JEPS56096  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4115 Los Angeles intersection of Angeles Forest Hwy with Angeles Crest Highway (s-facing canyon); San Gabriel Mountains Comment
  UCR124234  Galium angustifolium subsp. angustifolium T. S. Ross, Steve Boyd 1990-5-14 2463 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1152 Comment
  UCR129376  Galium angustifolium subsp. angustifolium Orlando Mistretta 1992-5-8 309 Los Angeles San Gabriel Mtns, Little Rock Creek. Slopes east of Little Rock Creek Reservoir 1159 Comment
  RSA585676  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3338 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
  RSA660407  Galium angustifolium subsp. angustifolium Orlando Mistretta 1992-5-21 368 Los Angeles Right Star Mine, S of Acton. Comment
  POM367695  Galium angustifolium subsp. gabrielense M. B. Dunkle 1933-6-17 3612 Los Angeles San Antonio River Canyon. Coastal Southern California. 915 Comment
  LA208474  Galium angustifolium subsp. gracillimum F. R. Fosberg; J. Ewan 1941-8-12 4915 Los Angeles San Gabriel Mountains, Local on steep slope under pines near summit Mount Islip 2499 Comment
  UCR270912  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-5-26 14874 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA486468  Galium angustifolium subsp. nudicaule Richard Noyes 1988-7-30 601 Los Angeles Claremont; foothills of the San Gabriel Mts; 200 meters east of Thompson Creek Dam. 500 Comment
  SD70488  Galium angustifolium subsp. nudicaule Lauramay T. Dempster, Clare Hardham 1965-6-16 4123 Los Angeles San Gabriel Mountains, Cloudburst Summit, Angeles Crest Highway north of Waterman Mountain 2139 Comment
  POM367747  Galium aparine Donald R. Bissing 1973-6-2 105 Los Angeles Evey Canyon; San Gabriel Mountains. 707 Comment
  POM4426  Galium aparine Minnie Reed 1896-4-2 s.n. Los Angeles Pomona. Comment
  RSA776477  Galium bifolium Jane Tirrell 2011-6-23 LS- 22 Los Angeles Lily Spring 2462 Comment
  CATA657  Galium catalinense Mark L. Hoefs 1991-4-18 1146 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  SBBG127511  Galium catalinense M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2840 Los Angeles bluff SE of Rippers Cove 6 Comment
  SBBG118579  Galium grande L. Gross with M. Denslow, B. Hogshead, V. Soza 2003-5-12 837 Los Angeles Van Tassel Truck Trail (1N36) close to jct with Silver Fish Rd (1N29); T1N R10W S8, NW 1/4 1037 Comment
  JEPS9441  Galium hallii F. W. Peirson 1918-6-17 214 Los Angeles Rock Cr. San Gabriel Mts. (n slope of mts.) 1676 Comment
  RSA78380  Galium hallii J. C. Roos 1951-7-30 5074 Los Angeles Big Rock Creek, San Gabriel Mts. 1677 Comment
  JEPS56041  Galium johnstonii Lauramay T. Dempster 1966-6-16 4234 Los Angeles along Angeles Crest Hwy 2.9 mi above Upper Chilao Recreation Area Comment
  UCR73392  Galium johnstonii T. S. Ross 1991-8-14 5755 Los Angeles San Gabriel Mtns, Roundtop Mtn 1890 Comment
  CAS-BOT-BC223172  Galium nuttallii subsp. insulare Reid Moran 1941-3-11 700 Los Angeles Ridge north of Middle Ranch, Santa Catalina Island Comment
  RSA252964  Galium porrigens var. porrigens Robert F. Thorne, C. W. Tilforth 1973-4-20 43113 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1037 Comment
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Mar 7 2014
  RSA424697A  Galvezia speciosa Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA603419  Gamochaeta pensylvanica Joseph A. Ewan 1937-8-23 11060 Los Angeles Common dooryard weed, Cauby home, San Fernando City. Comment
  SFV21385  Gamochaeta ustulata L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 44 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 586 Comment
  RSA773298  Garrya veatchii R. G. Swinney 2009-6-8 11063 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223201  Gayophytum R. G. Swinney 2009-7-22 11308 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA529920  Gayophytum diffusum subsp. parviflorum Tim S. Ross 1991-8-16 5818 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  CATA3492  Genista linifolia Benjamin J. Dion, Nathalie Cartan, Michael Thomas 2017-9-27 044 Los Angeles Santa Catalina Island: Interior; on west-facing slope in Middle Cottonwood Canyon watershed 219 Comment
  UCR108421  Genista linifolia L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mtns., Mt. Wilson road, below Henninger Flats 671 Comment
  RSA390987  Geranium carolinianum F. R. Fosberg 1931-3-20 s 4319 Los Angeles Hamilton Canyon, Santa Catalina Island 40 Comment
  RSA0112636  Gilia A. C. Sanders 2005-5-11 30160 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons. 610 Comment
  POM10160  Gilia angelensis P. A. Munz, R. D. Harwood 1920-5-17 3992 Los Angeles Topango Canon [now Topanga Canyon], Santa Monica Mountains. 213 Comment
  RSA657286  Gilia angelensis Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -18 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  UCR190431  Gilia angelensis R. G. Swinney 2000-5-19 7685 Los Angeles San Gabriel Mtns., San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden Hills Rd. and 400 m west of stream 512 Comment
  UCR130058  Gilia brecciarum subsp. brecciarum George K. Helmkamp, E. A. Helmkamp 1998-5-21 4054 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  SEINET6061868  Gilia cana Scott D. White 1998-6-29 6832 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA660776  Gilia capitata subsp. abrotanifolia Laura Moore, Ron Burchet, LeRoy Gross, Debby Zygielbaum 2000-6-8 41 Los Angeles Verdugo Mountains; La Tuna Canyon Park. Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 546 Comment
  RSA752639  Gilia capitata subsp. abrotanifolia Amber Maurice, Laura Hoglin, Sylvia Rivera 2003-4-24 3 Los Angeles Gorman Pass, Tejon Ranch. Comment
  RSA624988  Gilia inconspicua L. C. Wheeler 1963-5-5 8252 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  UCR166085  Gilia latiflora Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  RSA86545  Gilia latiflora subsp. latiflora Verne Grant, Alva Grant 1954-4-19 9323 Los Angeles Several miles west of Desert Springs. 1159 Comment
  SBBG127081  Gilia leptantha subsp. transversa A. Parikh, N. Gale 2011-6-22 3497 Los Angeles NW of Iron Mtn, 1.5 km E of Angeles Forest Hwy, 0.9 km S of Monte Cristo Crk; San Gabriel Mtns 1370 Comment
  UC908498  Gilia minor Herbert L. Mason 1926-4-26 2989 Los Angeles desert slopes between Vincent and Palmdale (Mohave Desert); , btw Vincent and Palmdale Comment
  UCR270458  Gilia modocensis R. G. Swinney 2011-5-12 14676 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA72283  Gilia nevinii F. W. Peirson 1923-4-9 3433 Los Angeles San Clemente Island: Wilson's Cove. Comment
  RSA0017220  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1994-4-12 1026 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1220 Comment
  CAS-BOT-BC402080  Gilia ochroleuca subsp. vivida F. W. Peirson 1923-5-26 3534 Los Angeles Rock Creek Divide, San Gabriel Mountains Comment
  UC212502  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-6-20 1265 Los Angeles Baldy Lookout of U.S.F.S. , Baldy Lookout (San Antonio Mountains) 2133 Comment
  CAS-BOT-BC402075  Gilia ochroleuca subsp. vivida Clare B. Hardham 1965-6-19 13101 Los Angeles San Gabriel Mountains 2133 Comment
  POM6210  Glyptopleura setulosa Marjorie Shaw, Edna Spaulding 1917-4-6 s.n. Los Angeles E end Antelope Valley. 762 Comment
  RSA706651  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 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
  RSA481883  Gnaphalium canescens subsp. microcephalum Richard Noyes 1988-9-18 742 Los Angeles Behind San Antonio Dam 701 Comment
  UCR210526  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2008-12-6 9957 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  POM4660  Gnaphalium canescens subsp. microcephalum Shaw s.n. Los Angeles Canyon near Claremont 518 Comment
  IRVC26834  Gnaphalium luteo-album S. D. White 1997-5-14 5124 Los Angeles Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, E of Hansen Dam and N of Wentworth Street. Base of San Gabriel Mtns. 335 Comment
  UCR68897  Gnaphalium luteoalbum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4276 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SEINET13387097 Image available Gnaphalium microcephalum R. G. Swinney 2011-1 15682 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  LA88401  Gnaphalium palustre O. H. Kappler; 1943-5-2 392 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR276975  Gnaphalium palustre R. G. Swinney 2010-6-1 13148 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
  RSA91695  Gnaphalium palustre F. W. Peirson 1315 Los Angeles Sink at Inglewood. Comment
  POM358930  Gnaphalium ramosissimum Anstruther Davidson 1896-1 s.n. Los Angeles [Unspecified] Comment
  CAS-BOT-BC108970  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. 731 Comment
  OBI37941  Goodmania luteola David J. Keil, V. L. Holland 1980-4-18 s.n. Los Angeles 1 mi W of jctn with Calif 14 along Clalif 138 762 Comment
  RSA727377  Grayia spinosa R. G. Swinney 1998-5-16 6104 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, west of Mescal Highlands, Graham Canyon, 0.3 mi. N of Panorama Way at Graham Cyn. Motorway, 2.0 mi. S. of Ft. Tejon Rd. 1317 Comment
  UCR264070  Grayia spinosa John F. Green 2008-3-26 308- 07 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  RSA562319  Grindelia D. Charlton 1991-9-19 5626 Los Angeles Sierra Hwy near Avenue E S of Edwards AFB and Rosamond in Antelope Valley, Mojave Desert. 710 Comment
  RSA652949  Grindelia camporum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23268 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds. 610 Comment
  CAS-BOT-BC305253  Grindelia hirsutula Samuel B. Parish 1887-6-1 1935 Los Angeles Gladstone Comment
  POM178029  Grindelia hirsutula J. Ewan 1931-5-11 4184 Los Angeles Vacant lot at Bonnie Brae Beverly Comment
  LA51488  Guillenia lasiophylla O. H. Kappler; 1944-5-7 615 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  SEINET5321345  Guillenia lasiophylla A. G. Vestal 1962-3-30 Los Angeles Antelope Valley; South of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN 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
  POM4723  Gutierrezia californica W. R. Shaw 1900-7-1 57 Los Angeles Claremont. 365 Comment
  SFV12449  Gutierrezia californica M. H. Grayum, D. L. Koutnik, B. Balch 1978-1-8 944 Los Angeles San Gabriel Mountains North of Placerita Creek at junction with Los Pinetos Canyon. South slope. 549 Comment
  RSA590861  Gutierrezia microcephala Orlando Mistretta 1994-4-12 1035 A Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  UCR179566  Gypsophila elegans Scott D. White, Pam DeVries 2004-5-18 10448 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
  CATA3332  Harpagonella palmeri Amy Catalano 2017-4-13 049 Los Angeles Santa Catalina Island: Steep hillside about 150 meters SW of junction of Silver Peak and Water Tank roads 323 Comment
  RSA0096643  Harpagonella palmeri Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 631 Los Angeles Santa Catalina Island. Ca. 0.95 air miles NW of East Peak. 329 Comment
  CAS-BOT-BC302324  Hazardia squarrosa var. squarrosa Louis C. Wheeler 1931-9-25 159 Los Angeles Eagle Rock 274 Comment
  SEINET10974182  Hedera David B. Dunn 1971-8-11 Dunn 18337 Los Angeles Cultivated plants on chimney at 4911 Pasadena Ave. Terr. in Highland Park. Comment
  SEINET3148245  Helenium bigelovii G. B. Grant 1904-7-23 545 a/6380 Los Angeles Mt. San Gorgonio Comment
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Aug 27 2013
  RSA441777  Helianthemum scoparium L. E. Hoffman 1932-5-6 16306 Los Angeles Grizzly flats, San Gabriel Mts. Comment
  RSA441780  Helianthemum scoparium var. vulgare Fay A. MacFadden 1931-4-10 s.n. Los Angeles Dry hillsides, Tejunga [Tujunga] Canyon 426 Comment
  RSA0055996  Helianthus annuus Richard G. Swinney 2010-3-16 11938 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA763509  Helianthus annuus R. G. Swinney 2008-11-30 9884 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA92422  Helianthus gracilentus F. W. Peirson 1919-7-3 512 Los Angeles San Gabriel Mts: on Lukens Peak trail. 1220 Comment
  NY621875  Helianthus nuttallii subsp. parishii H. E. Hasse 09 1882 s.n. Los Angeles Near Los Angeles Comment
  SEINET3153347  Heliotropium curassavicum L. Abrams 1902-6-11 2513 Los Angeles Playa del Rey Comment
  CATA1131  Helminthotheca echioides Mark L. Hoefs 1995-5-23 2118 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  CHSC35815  Helminthotheca echioides Philip A. Silverstone 1978-8-12 276 Los Angeles State 1 between Malibu and Pt. Dume, Corral State Beach, sea side of highway. Comment
  POM30660  Hemizonia australis H. E. Hasse 1890-08 s.n. Los Angeles Flats near Ballona Comment
  RSA604598  Hemizonia clementina L. C. Wheeler 1962-5-20 8085 Los Angeles Catalina Island: Isthmus Station Comment
  POM360304  Hemizonia fasciculata Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon. 457 Comment
  SEINET7884148 Image available Hemizonia fasciculata Muriel F. Wheeler 1938-1 893 Los Angeles at mouth of San Dunas Canyon (east approach), San Gabriel Mountains 400 Comment
  LA34209  Hesperoyucca whipplei Peter H. Raven; Henry J. Thompson 14150 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, 4.1 mi NW of Tapia Park on road to Malibu Lake. 182 Comment
  SBBG96052  Heteromeles arbutifolia M. B. Dunkle 1939-11-24 7344 Los Angeles Mosquito summit Comment
  SEINET13276704 Image available Heteromeles arbutifolia Unknown 2011-1 15867 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  UC466692  Heteromeles arbutifolia Mrs. Blanche Trask 1833-7-4 Los Angeles Catalina Island Comment
  RSA0074519  Heterotheca fastigiata Anstruther Davidson 1441 Los Angeles Rock Creek Comment
  JEPS30536  Heterotheca grandiflora Kyhos 1958-12-5 58 -236 Los Angeles Whittier Comment
  UCSB6604  Heterotheca grandiflora Kamb, Peter 1948-1-10 Los Angeles Millard Canyon, San Gabriel Mts. 762 Comment
  UC1871052  Heterotheca sessiliflora subsp. fastigiata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3937 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UCD170561  Heuchera caespitosa R. G. Swinney 1998-7-28 6517 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1366 Comment
  RSA0063276  Heuchera elegans R. G. Swinney 1998-10-3 7019 Los Angeles San Gabriel Mountains: upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground. 2012 Comment
  CAS-BOT-BC319769  Hieracium argutum I. M. Johnston 1917-7-15 1365 Los Angeles Day Canyon, San Antonio Mountains 914 Comment
  RSA748488  Hieracium horridum Orlando Mistretta 1992-7-6 640 Los Angeles From confluence of Cooper and Buckhorn Canyons, up +/- upstream to falls of Buckhorn Creek, near Campground. Comment
  CHSC95368  Hirschfeldia incana LeRoy Gross; Wayne Law 2000-8-8 251 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  CHSC98046  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
  RSA405278  Hoffmannseggia glauca Theodore Payne 1917-1 s.n Los Angeles Coyote Pass, Los Angeles. Comment
  RSA602801  Holodiscus microphyllus Louis C. Wheeler 1967-9-13 10739 Los Angeles San Gabriel Mountains: West Baldy. 3043 Comment
  UCR30557  Holodiscus microphyllus John C. Roos 1937-7-16 2426 Los Angeles San Gabriel Mtns., Baldy Peak Comment
  UCR95511  Holodiscus microphyllus var. microphyllus L. C. Wheeler 1966-10-6 8960 Los Angeles San Gabriel Mtns., Mt. Williamson 2485 Comment
  POM222220  Hordeum intercedens L. C. Wheeler 1936-4-12 4089 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  SBBG17867  Hordeum murinum P. H. Raven 1962-4-11 17275 Los Angeles due W of Wall 2 6 Comment
  RSA598357  Hordeum murinum subsp. glaucum L. C. Wheeler 1967-5-24 9747 Los Angeles Indian Canyon, near mouth 701 Comment
  LA14713  Hordeum murinum subsp. glaucum Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  CAS-BOT-BC273519  Hordeum vulgare Peter H. Raven 1959-5-3 14097 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mulholland Drive at Laurel Pass 350 Comment
  RSA451568  Horkelia cuneata subsp. cuneata Anstruther Davidson 1890-04 s.n. Los Angeles Cahuanga hills, Los Angeles. Comment
  CAS-BOT-BC537284  Horkelia cuneata var. cuneata Le Roy Abrams 1901-4-1 1237 Los Angeles near Ballena Harbor Comment
  SD39949  Horkelia cuneata var. cuneata Edith A. Purer 1933-4-16 4990 A Los Angeles El Segundo Comment
  RSA584133  Hulsea heterochroma Timothy S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2959 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA300637  Hulsea vestita subsp. gabrielensis J. R. Shevock 1974-7-19 3732 Los Angeles San Gabriel Mountains, Angeles National Forest: along Forest Service road 3N17, 7.4 miles east of Bear Divide Station and 14.2 miles west of Mt. Gleason 1220 Comment
  RSA720498  Hulsea vestita subsp. gabrielensis Naomi Fraga, Bill Hogshead 2006-5-31 1684 Los Angeles Along the Santa Clara Divide Road, between Indian Canyon and North Fork Station. Comment
  SBBG109018  Hypochaeris glabra S. A. Junak 1996-5-20 SCl 513 Los Angeles mouth of cyn at Mosquito Cove 3 Comment
  UCR95321  Hypochaeris glabra L. C. Wheeler 1967-4-9 9183 Los Angeles San Gabriel Mtns., San Gabriel Canyon, Canyon Inn [2280 North San Gabriel Canyon Rd., Azusa] 244 Comment
  RSA547794  Hypochaeris glabra Timothy S. Ross, Peter Fritsch 1990-6-20 3608 Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  SFV7628  Hypochaeris radicata T. Gordon 1975-6-24 1089 Los Angeles San Fernando Valley Lindley Ave. near Superior on CSUN campus. Comment
  RSA601867  Imperata brevifolia L. C. Wheeler 1964-3-18 8424 Los Angeles San Gabriel Mountians: About half way between Roberts Canyon and Fish Canyon. Comment
  HSC35739  Isocoma menziesii var. decumbens E. A. Wise 1975-12-25 Los Angeles 1 1/2 mi. S of Malibu colony on E side U. S. 101 Comment
  JEPS19161  Isocoma menziesii var. menziesii W. L. Jepson 1941-10-28 20645 Los Angeles 4-5 mi nw of San Fernando; Fremont Pass 457 Comment
  RSA763354  Isocoma menziesii var. vernonioides Doris Bowers 1967-10-4 545 Los Angeles Palos Verdes Pen. 305 Comment
  JEPS41100  Iva axillaris subsp. robustior Frank W. Peirson 1921-7-2 1322 Los Angeles near n base San Gabriel Mountains (about 5 mi due n of Pearblossom); southern edge of Mohave Desert, Pallett Creek 1097 Comment
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Jul 28 2014
  UC32934  Iva axillaris subsp. robustior Dr. Vought 1896-5-1 Los Angeles Antelope Valley Comment
  POM156276  Jaumea carnosa L. R. Abrams 1902-6-19 2566 Los Angeles Ballona marshes, near Mesmer Comment
  RSA401012  Juglans californica G. R. Johnstone 1931-4-16 s.n. Los Angeles Elysian Park. Los Angeles Comment
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Mar 28 2014
  SD255777  Juglans californica R. G. Swinney 2010-4-20 12280 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2 mile north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  SD69369  Juglans californica var. californica Robert F. Thorne, P. Everett 1965-5-11 34674 Los Angeles Santa Catalina Island; near circle on summit road from Avalon to airport. 91 Comment
  SD90207  Juglans californica var. californica Benjamin C. Stone 1953-3-16 294 Los Angeles Brea Canyon Road, south of Pomona. 274 Comment
  RSA780933  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37162 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  CAS-BOT-BC167119  Juglans nigra A. C. Sanders; R. E. Riefner, Jr. 2009-8-18 37164 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 69 Comment
  SFV22084  Juncus bufonius R. G. Swinney 2009-6-2 11022 Los Angeles San Gabriel Mountains Horse Flats. 1 air mile north-northwest of Newcomb's Ranch on CA-Highway 2. 1720 Comment
  UCR172297  Juncus bufonius Anuja Parikh, Nathan Gale 2005-7-16 2143 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  SEINET13095142  Juncus duranii Unknown 1936-8-14 10060 Los Angeles San Gabriel Mts. Lilly Springs, N. slope Mt. Hawkins. Comment
  RSA70261  Juncus macrandrus F. W. Peirson 1922-7-6 3180 Los Angeles Big Pines Meadow, Swartout Valley Region, San Gabriel Mountains. 2088 Comment
  RSA716471  Juncus macrandrus Scott D. White, Andrea Warniment 2006-7-7 11614 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  RSA733589  Juncus macrophyllus R. G. Swinney 1998-7-24 6556 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  RSA657296  Juncus mexicanus Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -5 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  RSA776490  Juncus saximontanus LeRoy Gross, Jane Tirrell 2011-7-20 5528 Los Angeles Spring, along Angeles Crest Highway, north of Lily Spring. Near 2287 Comment
  RSA656782  Juncus textilis Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 710 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 548 Comment
  RSA594408  Juncus torreyi Steve Boyd, Lauren Raz 1996-10-14 9087 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. 1021 Comment
  CATA1358  Juncus xiphioides Mark L. Hoefs, Robert F. Thorne 1995-7-26 2470 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below Eagle's Nest Lodge 134 Comment
  UC842991  Juncus xiphioides Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Seco 975 Comment
  CAS-BOT-BC80993  Juniperus californica Ernest C. Twisselmann 1970-9-8 17496 Los Angeles Antelope Valey: Avenue C 0.2 mile east of Highway 14 746 Comment
  CAS-BOT-BC80998  Juniperus californica W. R. Dudley; F. H. Lamb 1896-6-7 4342 Los Angeles Near Neenach, Antelope Valley Comment
  LA6639  Juniperus californica Carl Clawson Epling; M. Epling May 1925 sn Los Angeles Mint Canyon Comment
  NY99570  Juniperus californica S. D. Boyd 1996-4-24 8659 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon 1066.8 Comment
  CATA237  Keckiella cordifolia Mark L. Hoefs, A. Douglas Propst 1973-5-4 232 Los Angeles Santa Catalina Island: Lower Middle Canyon 144 Comment
  CATA799  Keckiella cordifolia Mark L. Hoefs, Robert Given 1991-6-12 1371 Los Angeles Santa Catalina Island: 1/2 mile from Camp Cactus near road between Middle Canyon and Bulrush Canyon 231 Comment
  JEPS11571  Keckiella cordifolia Frank W. Peirson 1918-6-28 205 Los Angeles e of Rubio Canyon; San Gabriel Mountains 609 Comment
  LA28268  Keckiella cordifolia Philip A. Munz; 1920-5-15 3952 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 152 Comment
  RSA401697  Keckiella cordifolia Erwin Miller 1934-6-30 19118 Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  SBBG79213  Keckiella cordifolia F. R. Fosberg 1932-5-6 8114 Los Angeles cyn above Villa Park, Avalon Comment
  UCR205631  Kickxia elatine A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36998 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
  UCR107791  Kochia californica Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10152 Los Angeles Mojave Desert, Antelope Valley, Amargosa Creek drainage at W G Street, west of Hwy 14, SW of Rosamond Dry Lake. 793 Comment
  UCR223444  Koeleria macrantha R. G. Swinney 2009-6-3 11046 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA0116806  Lactuca serriola Richard G. Swinney 2010-10-5 13965 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA640959  Lactuca serriola L. C. Wheeler 1931-7-22 s.n. Los Angeles La Verne: Wheeler's residence. Comment
  CDA7524  Lactuca serriola Phillipson 1915-6-12 Los Angeles Monrovia. Comment
  CAS-BOT-BC273827  Lamarckia aurea David B. Weissman 1971-6-26 180 Los Angeles San Clemente Island. Gravel surface area above Mosquito Cove 345 Comment
  UCR271552  Lantana camara R. G. Swinney 2011-3-18 14165 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA748844  Lantana montevidensis Justin M. Wood 2009-4-13 491 Los Angeles Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 49 Comment
  RSA226019  Larrea tridentata Robert F. Thorne, C. W. Tilforth 1971-6-29 40662 Los Angeles San Gabriel Mountains, Angeles National Forest: Above Little Creek, just below Little Rock Forestry Station, 1/2 mile below Little Rock Dam 945 Comment
  UCR281350  Larrea tridentata R. G. Swinney 2014-4-24 16189 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  CAS-BOT-BC338109  Lasthenia californica Timothy S. Ross 1995-4-26 8393 Los Angeles Liebre Mountains. Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1208 Comment
  LA51477  Lasthenia californica Henry J. Thompson; 1959-3-27 1888 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  UC53907  Lasthenia coronaria Ernest Braunton 1902-4-1 254 Los Angeles north Pomona Comment
  UCR172462  Lasthenia coronaria Anuja Parikh, Nathan Gale 2005-4-13 2103 Los Angeles NE end of Santa Susana Mtns., Long Canyon, Newhall Ranch, Study Area 31 335 Comment
  RSA681290  Lasthenia coronaria LeRoy Gross, Valerie Soza 2003-5-15 907 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place., Just east of where we started. 518 Comment
  RSA0098616  Lasthenia gracilis R. G. Swinney 2011-4-20 14467 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UC55099  Lasthenia gracilis H. M. Hall 1903-4-1 3764 Los Angeles Playa del Rey Comment
  CSUSB2259  Lathyrus laetiflorus Libby Edwards 1970-5-10 40 Los Angeles Sierra Madre Sierra Madre. 576 Elm Ave. Comment
  UC1584756  Lathyrus latifolius Tim Ross and Annette Ross 1991-3-7 4151 Los Angeles n slopes Elephant Hill (w Pomona); Pomona, San Dimas U.S.G.S. 7.5' Quad. 335 Comment
  UCSB42847  Lathyrus latifolius Green, Lisa 1980-5-30 Los Angeles 1/2 mi. E of Iverson Rd. N of the Simi Valley Freeway 426 Comment
  UCR281875  Lathyrus vestitus Mitch Provance 2010-5-20 510- 18 Los Angeles Tehachapi Mountains/Western Mojave Desert, 7.2 miles NW of corner of Rosamond Blvd. and 170th St., vicinity of powerline road. 1204 Comment
  RSA527723  Lathyrus vestitus subsp. laetiflorus T. S. Ross, Annette Ross 1991-3-7 4151 Los Angeles Elephant Hill, western Pomona. 230 Comment
  POM9218  Lathyrus vestitus subsp. laevicarpus P. A. Munz, R. D. Harwood 1920-3-17 3986 Los Angeles Topango Canyon, Santa Monica Mountains 152 Comment
  SBBG38929  Lathyrus vestitus var. alefeldii E. R. Blakley 1963-4-7 5524 Los Angeles Middle Ranch Cyn, ca. 2.5 mi above Middle Ranch 274 Comment
  RSA90278  Lathyrus vestitus var. vestitus F. W. Peirson 1919-3-11 104 Los Angeles first canyon east of Rubio Canyon 549 Comment
  RSA90279  Lathyrus vestitus var. vestitus F. W. Peirson 1919-4-19 374 Los Angeles Pacoima Canyon, west end of San Gabriel Mountains. 671 Comment
  RSA724458  Lavandula K. Dobry 1991-5-18 607 Los Angeles At 415 Stunt Rd. Santa Monica Mts. Cold Creek Cyn Comment
  RSA727537  Layia glandulosa R. G. Swinney 1998-5-16 6085 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  UC912595  Layia glandulosa Herbert L. Mason 1926-4-27 3042 Los Angeles Little Rock Creek Comment
  UCR269975  Layia glandulosa R. G. Swinney 2010-5-19 12776 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA316349  Layia glandulosa R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54967 Los Angeles San Gabriel Mts: Mojave Desert slopes; 1/4 -1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA92277  Layia glandulosa F. W. Peirson 1921-7-3 2778 Los Angeles 2 miles NE of Rock Creek Divide, N slope of San Gabriel Mts. 2287 Comment
  POM277122  Layia glandulosa subsp. glandulosa E. S. Steele, H. S. Pratt 1934-3-21 s.n. Los Angeles Northwest of Lancaster, Mojave Desert. Comment
  UCR169503  Lemna A. C. Sanders, Mark Elvin 2002-6-19 25166 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  CATA678  Lepechinia fragrans Mark L. Hoefs 1991-4-23 1169 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  RSA624578  Lepidium didymum L. C. Wheeler 1973-4-9 s.n. Los Angeles Millard Canyon; approx. national forest boundary Comment
  RSA67361  Lepidium fremontii F. W. Peirson 1932-4-17 9867 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. 762 Comment
  UCR199945  Lepidium latifolium Scott D. White, Justin Wood 2008-5-19 12019 Los Angeles Los Angeles Basin, Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor 70 Comment
  LA201824  Lepidium latifolium Arthur C. Gibson; 2003-7-18 4940 Los Angeles Santa Monica Mountains, Along service road in Nickerson Arroyo Sequit NRA, near Mulholland Highway Comment
  CAS-BOT-BC12817  Lepidium perfoliatum Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 988 Los Angeles Mojave Desert. Antelope Valley. Comment
  UCR256432  Lepidium strictum R. G. Swinney 2010-6-8 13198 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA0112561  Lepidium virginicum subsp. virginicum R. G. Swinney 2011-6-15 15193 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  UCR205089  Lepidium virginicum var. pubescens R. G. Swinney 2008-4-10 8641 B Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  RSA550007  Lepidospartum squamatum var. squamatum Scott D. White 1992-10-8 899 B Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  RSA0022558  Leptochloa Peter Rubtzoff 1988-10-7 9961 Los Angeles Gold Creek Road nesr junction with Little Tujunga Road, Little Tujunga Canyon, ca. 2 mi northeast of the entrance to Angeles National Forest, or ca. 4 mi northeast of junction of Osborne Street and Foothill Blvd. 479 Comment
  UCR127393  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-8-7 25555 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  SEINET12278990  Leptodactylon californicum J. F. Bright, Wyman, C. 1931-1 5512 Los Angeles foothills of Mt. Wilson Comment
  SEINET6043721  Leptosiphon androsaceus Unknown 1996-4-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA706436  Leptosiphon breviculus LeRoy Gross 2005-6-23 2378 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1401 Comment
  SBBG51639  Leptosiphon breviculus R. Gustafson, C. Davidson 1977-4-20 427 Los Angeles Devil's Punch Bowl County Park, along trail descending to the stream below the campsite 1219 Comment
  CHSC5090  Leptosiphon parviflorus M. MacArthur 1967-7-16 75 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  POM128995  Leptosiphon parviflorus Thos. Craig 1927-6-15 397 Los Angeles At dam near mouth of Cobal Canyon, above Claremont. Comment
  RSA469983  Leptosiphon parviflorus Robert L. Dressler 1949-6-18 877 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  SBBG19656  Leptosyne bigelovii E. C. Twisselmann 1963-6-3 8367 Los Angeles rd to US Hwy 99, just W of Gorman 1203 Comment
  UCR280519  Leptosyne bigelovii R. G. Swinney 2014-4-17 16069 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  UCSB16969  Leptosyne californica Meisenbach, C. 1963-5-3 Los Angeles State Highway 138, 3.6 miles west of Victorville junction east of Pearblossom 944 Comment
  RSA589140  Lessingia glandulifera var. glandulifera Orlando Mistretta 1994-5-11 1175 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  UC73962  Lessingia glandulifera var. glandulifera Jos. Burtt Davy 1896-10-18 2879 Los Angeles Pomona Comment
  UCR223180  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-7-22 11312 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  SBBG63088  Lessingia glandulifera var. glandulifera R. Hoffmann 1931-9-28 Los Angeles 4 mi W of Harold Comment
  SBBG120142  Leymus condensatus A. C. Sanders 2003-5-22 26820 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Freeway (which bisects it) and N of Santa Fe railroad, E of San Gabriel River channel 171 Comment
  SEINET10595835  Leymus condensatus LeRoy R. Abrams 1902-7-2 Abrams 2638 Los Angeles Little Santa Anita canyon, Sierra Madre. Comment
  POM1311  Leymus triticoides I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte, in ditch along R.R. 106 Comment
  RSA595425  Leymus triticoides Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 2399 Los Angeles By road, middle of Cape Canyon, Santa Catalina Island. 244 Comment
  RSA729591  Leymus triticoides R. G. Swinney 1999-6-30 7491 Los Angeles San Gabriel Mtns.: Grand View Canyon, c. 1.1 mi. north of Big Pines hwy at All Nation Camp 1585 Comment
  SBBG31101  Leymus triticoides R. F. Thorne 1966-5-31 36448 Los Angeles Little Harbor on beach 4 Comment
  PASA2350  Libocedrus Los Angeles PHS grounds, Pasadena Comment
  UC1279996  Lilium humboldtii subsp. humboldtii Peter H. Raven with H. L. Wedberg 1957-6-15 10901 Los Angeles 0.8 mi. n. of U.S. 101A Latigo Canyon; Santa Monica Mts., Latigo Canyon Comment
  RSA669140  Lilium humboldtii subsp. ocellatum LeRoy Gross 2002-6-24 545 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 549 Comment
  UCR177531  Linanthus bigelovii LeRoy Gross 2005-4-28 2114 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  POM230717  Linanthus californicus I. W. Clokey, B. C. Templeton 1936-5-18 6805 Los Angeles San Gabriel Canyon. Comment
  RSA199011  Linanthus californicus W. M. Gauntt 1966-4-16 152 Los Angeles Junction of Glendora Mountain Road and San Gabriel Canyon Road. 915 Comment
  RSA482002  Linanthus californicus Richard Noyes 1988-5-12 563 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  POM74788  Linanthus californicus subsp. glandulosus Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  CATA2071  Linanthus dianthiflorus Steven A. Junak 1978-4-15 9 Los Angeles Santa Catalina Island: Just E of 1901 Chester grave, N side of Cherry Cove 0 Comment
  RSA578958  Linanthus dichotomus T. S. Ross, S. D. Boyd 1994-5-11 7763 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Gulch Camp. 1695 Comment
  UC52364  Linanthus liniflorus H. M. Hall 1902-5-3 Los Angeles near Elizabeth Lake Comment
  RSA252948  Linanthus parryae R. F. Thorne, Gary D. Wallace 1973-4-24 43414 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  RSA628959  Linanthus parryae L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UC52470  Linanthus parryae H. M. Hall 1900-6-4 15105 Los Angeles Mescal Creek, near head of 1920 Comment
  UCSB5183  Linanthus parryae Haller, John 1957-4-13 Los Angeles Palmdale Ave., and ca. 9 mi. E. of center of Palmdale. 762 Comment
  UC61531  Lithophragma affine Ernest Braunton May 1904 912 Los Angeles Glendale to Burbank; Glendale to Burbank Comment
  CAS-BOT-BC426252  Lithophragma affine Frank W. Peirson 1921-3-12 4190 Los Angeles Big Santa Anita Canyon, San Gabriel Mts. 762 Comment
  RSA683134  Lithophragma affine LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 962 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.), We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 549 Comment
  RSA468211  Lithophragma affine subsp. mixtum T. S. Clare 1929-4-13 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  CHSC109285  Lobelia dunnii Scott D. White; Chris Huntley 2008-9-30 12544 Los Angeles San Gabriel Mountains: San Gabriel River-West fork between Bear Creek and Cogswell Dam. 610 Comment
  RSA729546  Lobelia dunnii var. serrata R. G. Swinney 1999-7-14 7558 Los Angeles San Gabriel Mtns.: East Fork San Gabriel River Canyon, c. 0.25 mi. north of Laurel Gulch. 713 Comment
  POM78665  Lobelia dunnii var. serrata Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon, Sierra Madre. Comment
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Sep 16 2007
  UCR108174  Lobularia maritima Jeanne Gural, V. Soza, M. E. Siqueiros D. 1997-3-8 22 Los Angeles Bernard Field Station [Claremont], of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  CDA3838  Lobularia maritima L. C. Wheeler 1945-4-15 6010 Los Angeles Transverse Ranges; San Gabriel Mountains region; Millard Canyon; Elev. 1350 . Comment
  UC106715  Loeseliastrum matthewsii Mrs. K. Brandegee 1889-1 Los Angeles Ravena Comment
  SBBG131659  Logfia gallica S. A. Junak 1999-5-20 SCa 941 Los Angeles just S of Cottonwood-Black Jack Rd, along N side of Escondido Cyn 323 Comment
  POM356969  Lolium temulentum Anstruther Davidson 1917-04 3230 Los Angeles Alvarado Street, Los Angeles. Comment
  RSA603273  Lolium temulentum L. C. Wheeler 1936-6-16 4160 Los Angeles Bell Canyon, San Gabriel Mts. 701 Comment
  UCD66670  Lolium temulentum L. Y. Leonard 1919-5-29 X 3026 Los Angeles San Fernando. Comment
  RSA452133  Lomatium lucidum C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  UCR124688  Lomatium nevadense B. C. Templeton 1932-5-31 4855 Los Angeles San Gabriel Mtns., Jackson Lake, Angeles National Forest 1930 Comment
  JEPS25804  Lomatium nevadense var. parishii W. L. Jepson 1939-4-21 19228 B Los Angeles Leonis Valley 975 Comment
  UCR186968  Lomatium utriculatum A. C. Sanders 2006-4-10 32011 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  CAS-BOT-BC240492  Lonicera hispidula Peter H. Raven 1962-5-20 17773 Los Angeles Santa Catalina Island: Avalon Canyon about 1 mile south of Avalon Comment
  CAS-BOT-BC234866  Lonicera subspicata var. denudata Robert F. Thorne; C. W. Tilforth 1971-6-29 40708 Los Angeles San Gabriel Mts., Angeles National Forest: along Aliso Creek at Tie Canyon where crossed by Angeles Forest Rd. 1371 Comment
  JEPS23710  Lonicera subspicata var. denudata Peter H. Raven, Henry J. Thompson 1959-10-11 13758 Los Angeles Saddle Peak Santa Monica Mountains 822 Comment
  RSA455361  Lonicera subspicata var. denudata Fay A. MacFadden 1931-04 s.n. Los Angeles Verdugo Mountains: La Tuna Canyon. Comment
  RSA482529  Lonicera subspicata var. denudata Richard Noyes, L. Arnseth 1988-4-30 558 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  RSA608895  Lonicera subspicata var. denudata L. C. Wheeler 1931-5-1 s.n. Los Angeles Claremont: College Way. Comment
  UC1125286  Lonicera subspicata var. denudata A. Lewis Feb 1934 291 Los Angeles Little Tujunga Canyon San Fernando Quadrangle Comment
  UCR271990  Lonicera subspicata var. denudata R. G. Swinney 2011-5-31 14899 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
  UCSB33632  Lonicera subspicata var. denudata Miller, Brian 1960-2-20 Los Angeles Charlton Flats, San Gabriel Mountains 1828 Comment
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Oct 29 2014
  RSA188211  Lotus argophyllus subsp. ornithopus R. F. Thorne, P. C. Everett 1965-6-22 34900 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road 183 Comment
  RSA406761  Lotus argophyllus subsp. ornithopus M. B. Dunkle 1939-11-24 7350 Los Angeles San Clemente Island: Pyramid Cove Comment
  RSA3686  Lotus argophyllus var. ornithopus C. B. Wolf 1932-5-10 3530 Los Angeles Equestrian Trail back of Avalon, Santa Catalina Island. 305 Comment
  RSA155785  Lotus argophyllus var. ornithopus P. H. Raven 1962-5-22 17843 Los Angeles Middle Ranch, Santa Catalina Island. 213 Comment
  RSA729458  Lotus crassifolius var. crassifolius R. G. Swinney 1998-7-8 6321 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA485844  Lotus dendroideus var. traskiae T. S. Elias, Orlando Mistretta 1988-2-10 10673 Los Angeles San Clemente Island: south of Wilson's Cove on northeast part of island Comment
  RSA406156  Lotus hamatus M. B. Dunkle 1932-6-2 2168 Los Angeles Santa Catalina Island. White's landing Comment
  RSA498325  Lotus heermannii var. heermannii Albert J. Perkins 1912-09 s.n. Los Angeles Mt. Wilson trail Comment
  RSA755886  Lotus nevadensis R. G. Swinney 2008-7-24 9291 Los Angeles Waterman Mountain 2412 Comment
  UCR223177  Lotus nevadensis R. G. Swinney 2009-7-22 11319 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA406122  Lotus nevadensis var. davidsonii M. B. Dunkle 1933-7-11 3640 Los Angeles Upper San Gabriel Canyon above dams. Cold Brook camp. Comment
  RSA587606  Lotus procumbens var. procumbens Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1143 Los Angeles Santiago Canyon. Near confluence with Little Rock Creek. 1067 Comment
  UC284270  Lotus procumbens var. procumbens P. A. Munz 1923-5-27 6872 Los Angeles Rock Creek San Gabriel Mts. 1295 Comment
  RSA702968  Lotus salsuginosus Scott D. White, Pam De Vries 2004-5-18 10406 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
  RSA656435  Lotus salsuginosus var. salsuginosus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 697 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 579 Comment
  UCR100614  Lotus scoparius B. G. Pitzer 1996-5-5 2868 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  RSA573454  Lotus scoparius T. S. Ross 1992-6-15 6558 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 294 Comment
  RSA594588  Lotus strigosus L. C. Wheeler 1967-5-7 9291 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  RSA655992  Lotus strigosus James Henrickson 1985-3-30 19777 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  UC75501  Lotus strigosus E. D. Palmer May 1902 Los Angeles near Glendora Comment
  UCR76405  Lotus strigosus T. S. Ross 1992-4-14 6179 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  UC1594417  Lotus strigosus Tim Ross 1992-4-14 6179 Los Angeles above Nanny Canyon drainage channel (87 degrees s and ca 280 m distant from where drainage meets the sea, central e side of San Clemente Island); San Clemente Island 76 Comment
  RSA213333  Lotus strigosus var. strigosus Reid V. Moran 1941-2-25 610 Los Angeles Santa Catalina Island. N of Wilson's Harbor. 50 Comment
  RSA251478  Lotus strigosus var. strigosus R. F. Thorne 1973-4-11 42798 Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon. 427 Comment
  RSA709946  Lotus strigosus var. strigosus LeRoy Gross 2005-4-28 2145 -b 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
  RSA226194  Lotus wrangelianus Gary D. Cromwell 1971-5-14 669 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 564 Comment
  UCD170858  Lupinus R. G. Swinney 2009-5-13 10791 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA158020  Lupinus agardhianus P. H. Raven 1962-5-9 17706 Los Angeles Just north of Gray, San Clemente Island 427 Comment
  UCR273169  Lupinus andersonii R. G. Swinney 2011-6-22 15271 Los Angeles San Gabriel Mountains, 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder 1659 Comment
  UCR102525  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 1997-3-6 1361 Los Angeles Tehachapi Mtns., Hills south of Gorman. Along Gorman Post Rd c. 1.1 mi. NW of Calif. Hwy 138 1128 Comment
  SD253452  Lupinus bicolor R. G. Swinney 2011-5-31 14925 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  SEINET3131549  Lupinus bicolor G. B. Grant 735 Los Angeles Pasadena Comment
  UCR229130  Lupinus bicolor Dan S. Cooper 2011-5-10 511- 75 Los Angeles San Gabriel Valley, San Gabriel, NE corner of South Arroyo Dr. and West Santa Anita Ave., near San Gabriel Mission 128 Comment
  UCR258765  Lupinus bicolor R. G. Swinney 2010-6-1 13128 Los Angeles San Gabriel Mountains, lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  HSC43281  Lupinus bicolor David B. Dunn, Epling 1946-4-19 2138 Los Angeles "Along Hwy. 138, .2 mi. N of jct. of the old Ridge Route." 854 Comment
  RSA563503  Lupinus bicolor T. S. Ross 1993-5-13 7131 Los Angeles Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll. 909 Comment
  SD39036  Lupinus bicolor Edith A. Purer 1933-5-30 4997 Los Angeles Playa del rey, sand dunes Comment
  SD51703  Lupinus bicolor David Dunn 1941-3-29 938 Los Angeles 1.0 mile east of Pomona. Comment
  RSA599345  Lupinus bicolor subsp. marginatus Steve Boyd, Lauren Raz 1997-3-26 9374 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
  POM2410  Lupinus bicolor subsp. microphyllus C. F. Baker 1909-3-20 5252 Los Angeles Claremont. Comment
  UCR192159  Lupinus concinnus A. C. Sanders 2008-4-18 34973 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  RSA0023261  Lupinus concinnus Robert F. Thorne 1980-4-25 54135 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  CAS-BOT-BC205145  Lupinus elatus W. R. Dudley 1900-7-9 s.n. Los Angeles San Gabriel Peak Comment
  UC284914  Lupinus elatus P. A. Munz 1923-8-31 7674 Los Angeles Swartout Valley; San Gabriel Mts., Swartout Valley 2560 Comment
  CAS-BOT-BC216657  Lupinus excubitus subsp. hallii Huron H. Smith 1912-5-29 5015 Los Angeles Summit Road, Santa Catalina Island 243 Comment
  CAS-BOT-BC216658  Lupinus excubitus subsp. hallii Timothy S. Ross; Victor W. Steinmann 1995-5-8 8532 Los Angeles Along Bouquet Canyon Road at its intersection with a USFS road that winds up onto the ridge between Bouquet Canyon and Mystic Canyon 609 Comment
  SFV17594  Lupinus excubitus var. austromontanus J. N. Hogue, L. H. Hogue 1998-7-2 116 .9 Los Angeles San Gabriel Mountains Granite Mountain. Roundtop campground. 1951 Comment
  RSA598255  Lupinus excubitus var. hallii R. G. Swinney 1989-11-24 1494 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon area. Big Dalton Debris Basin. 365 Comment
  RSA0033874  Lupinus formosus John F. Emmel 1997-4-28 1464 Los Angeles Sierra Pelona; along Bouquet Canyon Road at summit, just east of the national forest boundary. 1097 Comment
  UC198110  Lupinus formosus C. F. Baker 1904-4-2 4098 Los Angeles hills near Monrovia; hills near Monrovia Comment
  SEINET10485356  Lupinus formosus James S. Henrickson 1966-4-17 Henrickson 2265 Los Angeles In chaparral just above mojave desert near pinon hills n of san gabriel mtns; With fremontodendron, arctostaphylos, penstemon, etc. Decomposed granite soil. 1372 Comment
  POM305760  Lupinus formosus var. formosus H. J. Ramsey 1937-3-26 964 Los Angeles Pacoima Canyon, near San Fernando, Angeles National Forest. Comment
  UC557773  Lupinus guadalupensis Nell Murbarger March, 1936 15 Los Angeles e side San Clemente Island (near the ocean); e side San Clemente Island Comment
  CATA1453  Lupinus hirsutissimus Mark L. Hoefs, Robert F. Thorne 1996-4-6 2635 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  RSA641519  Lupinus hyacinthinus L. C. Wheeler 1967-9-4 10651 Los Angeles San Gabriel Mountains: Pine Mountain Ridge 2241 Comment
  UCR270401  Lupinus hyacinthinus John F. Emmel 2001-6-3 1715 Los Angeles San Gabriel Mountains, along road on south slope of Table Mountain, 0.0-0.2 air mile north & 0.5-0.8 air mile east of Big Pines Ranger Station 2195 Comment
  CAS-BOT-BC211723  Lupinus longifolius Theodore Payne 1948-5-15 12285 Los Angeles Palos Verdes Comment
  LA200471  Lupinus longifolius Carl Epling; 1933-5-13 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  SEINET10871028  Lupinus longifolius Wolf 1931-6-25 WOLF 2241 Los Angeles Wash, sw of los angeles botanic garden, along beverly blvd. Mandeville canyon. Upper sonoran life zone. Ht 6 ft, spread 7 ft, tr. Diameter 2 in. 61 Comment
  CAS-BOT-BC207247  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  CAS-BOT-BC207248  Lupinus peirsonii Wesley O. Griesel 1962-5-28 s.n. Los Angeles State Hwy. #2 2-2 1/2 miles EAst of Dawson Saddle, San Gabriel Mts. 2286 Comment
  UC499444 Image available Lupinus peirsonii Herbert L. Mason 1926-4-27 3026 Los Angeles Rock Creek San Gabriel Mts.; Rock Creek, San Gabriel Mts. Comment
  CHSC911  Lupinus sparsiflorus E. Thomas 1940-4-13 Los Angeles Claremont. 353 Comment
  RSA777369  Lupinus sparsiflorus Orlando Mistretta, Christine Mistretta 2010-5-19 5135 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  SD262280  Lupinus sparsiflorus R. G. Swinney 2014-4-24 16216 Los Angeles San Gabriel Mountains: NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1 - 3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash. 1256 Comment
  UCR259170  Lupinus sparsiflorus R. G. Swinney 2010-6-23 13358 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
  RSA82618  Lupinus sparsiflorus subsp. sparsiflorus P. A. Munz 1925-4-23 9457 Los Angeles San Gabriel Canyon. 488 Comment
  RSA271180  Lupinus sparsiflorus subsp. sparsiflorus C. W. Tilforth, Walter Wisura 1977-9-30 1483 Los Angeles White Mtn. about 12 air miles E of Bishop, Inyo County Comment
  SEINET10490970  Lupinus sparsiflorus subsp. sparsiflorus James S. Henrickson 1963-5-5 Henrickson 32278 Los Angeles Fls. Purplish; burned-over rocky canyon slopes; sandy soil in weedy, flat area Near mouth of cobal canyon, foothills of san gabriel mts, ca 4 mi n of Claremont. 518 Comment
  SEINET10490972  Lupinus sparsiflorus subsp. sparsiflorus August J. Breitung 1953-5-16 Breitung 15113 Los Angeles Glendora mts rd, san gabriel mts. Keel cilite below near claw. Comment
  CATA687  Lupinus succulentus Mark L. Hoefs 1991-4-26 1178 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  RSA0068441  Lupinus succulentus R. G. Swinney 2010-6-8 13212 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA611672  Lupinus succulentus Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10103 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  UC185426  Lupinus succulentus Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  RSA167629  Lupinus truncatus P. H. Raven, R. F. Thorne 1964-5-7 s.n. Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UC130327  Lupinus truncatus J. Burtt Davy May 9 1896-May 24 1896 2606 Los Angeles Ell's Antelope Valley (Antelope Valley) Comment
  RSA249744  Lycium andersonii Robert F. Thorne, C. W. Tilforth 1973-4-20 42985 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
  CAS-BOT-BC231487  Lycium brevipes var. hassei George B. Grant; Walter Wheeler 1904-4-21 H 6151 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  CAS-BOT-BC231488  Lycium brevipes var. hassei Dr. H. E. Hasse 1888-7-15 s.n. Los Angeles Santa Catalina Island Comment
  RSA428858  Lycium cooperi J. E. Stumbo, J. C. Bayse 1966-4-11 LASCA- 539 Los Angeles Along roadside c. 6 mi. south of Palmdale. 915 Comment
  RSA427019  Lycopersicon esculentum Robert Gustafson 1981-5-27 2230 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA578216  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Given, Gay 1994-8-2 8193 a Los Angeles Santa Catalina Island. Upper Gallagher Canyon; drainage origination just NE of Haypress Reservoir. 299 Comment
  RSA589864  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8208 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system, at head of Bouchette Canyon draining NE to Johnson's Landing. 405 Comment
  RSA599221  Lyonothamnus floribundus subsp. floribundus M. A. Piehl 1962-10-6 62 -518 Los Angeles Santa Catalina Island. In canyon between Pebbly Beach and Renton Mine Comment
  SBBG20548  Lyonothamnus floribundus var. aspleniifolius E. R. Blakley 1963-12-8 6381 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 365 Comment
  RSA228840  Lythrum californicum Robert F. Thorne 1971-6-26 40624 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 427 Comment
  RSA0011274  Lythrum hyssopifolia Robert Gustafson 1980-9-16 1912 Los Angeles Ballona Wetlands, Area 2. [See map on specimen for precise location.] Comment
  SBBG32127  Madia exigua R. N. Philbrick, R. F. Thorne 1967-5-18 B 67 -174 Los Angeles lower Bullrush Cyn Comment
  RSA639267  Madia gracilis R. F. Thorne 1971-5-18 41358 Los Angeles Santa Catalina Island: Cape Canyon. 274 Comment
  SBBG52885  Malacothamnus clementinus F. C. Boutin 1967-4-23 1655 Los Angeles Lemon Tank 304 Comment
  UCR53757  Malacothamnus clementinus F. C. Boutin 1967-4-23 1655 Los Angeles Channel Islands, E side of San Clemente Island, Lemon Tank, a dump site 305 Comment
  CAS-BOT-BC206207  Malacothamnus fasciculatus Wesley O. Griesel 1961-7-26 s.n. Los Angeles State Highway #2, between Big Pines and Wrightwood, San Gabriel Mts. 1828 Comment
  RSA749086  Malacothamnus fremontii R. G. Swinney 2005-8-11 8458 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  JEPS26404  Malacothamnus orbiculatus Frank W. Peirson 1919-6-15 502 Los Angeles San Gabriel Mountains, Rock Creek 1249 Comment
  RSA131028  Malacothrix clevelandii P. C. Everett, E. K. Balls 1959-6-2 23848 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains 183 Comment
  UCR277149  Malacothrix coulteri R. G. Swinney 2011-4-19 14421 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  CAS-BOT-BC323297  Malacothrix foliosa E. R. Blakley 1962-6-9 5191 Los Angeles China Point, San Clemente Island 4 Comment
  RSA95030  Malacothrix foliosa F. W. Peirson 1923-4-12 3463 Los Angeles Wilson's Cove, San Clemente Island. Comment
  UCR73396  Malacothrix foliosa subsp. foliosa T. S. Ross, O. Mistretta, M. Hammit 1991-5-17 5080 Los Angeles Channel Islands, San Clemente Island, West Cove, SW of new landing field 6 Comment
  RSA775877  Malacothrix glabrata Orlando Mistretta, Christine Mistretta 2010-5-26 5214 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1311 Comment
  CAS-BOT-BC347930  Malacothrix saxatilis var. tenuifolia L. Street; G. Williams 1919-5-10 2719 Los Angeles Turnbull Canon [Canyon] 304 Comment
  CAS-BOT-BC347939  Malacothrix saxatilis var. tenuifolia J. H. Thomas 1957-6-2 6804 Los Angeles Arroyo Seco under Colorado St. Bridge, Pasadena Comment
  POM362364  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1930-6-26 446 Los Angeles Lower Ballona Creek 5 Comment
  RSA594978  Malacothrix saxatilis var. tenuifolia Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 2379 Los Angeles Parsons' Landing, Santa Catalina Island 323 Comment
  UC149191  Malacothrix saxatilis var. tenuifolia Le Roy Abrams 1902-6-20 2568 Los Angeles near Soldiers Home Comment
  UC831156  Malacothrix saxatilis var. tenuifolia Ira W. Clokey, B. Templeton May 1929 4550 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 200 Comment
  RSA117143  Malosma laurina Huron H. Smith 1912-6-24 5164 Los Angeles Avalon Canyon, Santa Catalina Island. 24 Comment
  SBBG12014  Malosma laurina E. R. Blakley 1961-9-24 4763 Los Angeles Fourth of July Cove 15 Comment
  UCR177749  Malva neglecta LeRoy Gross, Naomi Fraga 2002-4-4 521 Los Angeles Los Angeles Basin: Verdugo Mountains Region, Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 400 Comment
  RSA598932  Malva parviflora Scott D. White 1997-3-12 4751 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  UC447139  Malva parviflora J. Ewan 1931-5-11 4188 Los Angeles 1 mi n of Van Nuys Estate (Los Angeles, West Sixth Street); Los Angeles, West Sixth Street Comment
  CATA3336  Malva pseudolavatera Amy Catalano 2017-4-13 053 Los Angeles Santa Catalina Island: East side of electronic gate to Two Harbors at Deer Valley Reservoir, on north side of road 162 Comment
  RSA433881  Malvella leprosa Anstruther Davidson 1889-07 s.n. Los Angeles Temple Comment
  RSA4834  Malvella leprosa James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Comment
  RSA678884  Marah Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 158 A Los Angeles San Clemente Island. Second canyon S of Bryce Canyon, on loamy banks along cyn floor. Comment
  RSA611611  Marah macrocarpa Anna Christensen 1997-3-13 5 Los Angeles Claremont, Bernard Biological Field Station. NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  SBBG95934  Marah macrocarpa M. B. Dunkle 1939-11-24 7352 Los Angeles San Clemente Island Comment
  LA200417  Marah macrocarpa Harlan Lewis; 1941-4-7 Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  UC1004924  Marah macrocarpa Philip A. Munz 1940-4-29 165577 Los Angeles ne Claremont; San Antonio Wash 518 Comment
  RSA409837  Marrubium vulgare Gale Sphon 1955-5-12 s.n. Los Angeles Mulholland Drive. On fire road opposite Sepulvada fire road. Comment
  RSA138247  Marrubium vulgare Peter H. Raven 1959-5-3 14102 Los Angeles Santa Monica Mountains: Franklin Canyon 0.1 mile south of Mulholland Drive. 351 Comment
  RSA151235  Marrubium vulgare Peter H. Raven 1962-4-12 17335 Los Angeles Narrow Canyon south of canyon below Tomb, west side of San Clemente Island. 274 Comment
  CAS-BOT-BC348124  Matricaria discoidea Ernest C. Twisselmann 1962-4-10 6858 Los Angeles Mojave Desert. Antelope Valley: Avenue A, 5.2 miles west of Highway 6 670 Comment
  UCR88514  Matricaria matricarioides Scott D. White, Chet McGaugh 1995-5-16 3056 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
  RSA642090  Matricaria occidentalis Orlando Mistretta, Mark Elvin 1995-3-30 1679 Los Angeles Lancaster area: Northwest corner of Sierra Highway and Avenue C, north of Lancaster. Comment
  CAS-BOT-BC422753  Meconella denticulata Geo. B. Grant 1900-4-12 s.n. Los Angeles Mt Lowe, Castle Canon [Canyon] Comment
  RSA91363  Medicago lupulina F. W. Peirson 1922-7-7 3191 Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  RSA597534  Medicago polymorpha L. C. Wheeler 1957-5-17 7267 Los Angeles Pasadena. Northwest corner Cal Tech campus, San Pasqual and North Wilson Avenue. Comment
  SBBG98067  Medicago polymorpha T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5137 Los Angeles 550 ft SSW of the 924 ft Benchmark at E end of the old airfield landing strip 279 Comment
  CATA733  Melica imperfecta Mark L. Hoefs 1991-5-22 1254 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  LA12132  Melica imperfecta A. M. Johnson; 1928-4-1 274 Los Angeles Sunland Comment
  POM357056  Melica imperfecta H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills. Comment
  RSA651300  Melica imperfecta Lori Ackerman, Gerald Braden 1988-5-4 25 Los Angeles North end of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA654641  Melica imperfecta Fred Brooks, P. Sobkowiak 1988-4-23 18 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  RSA656191  Melica imperfecta Joseph M. Keefe 1978-4-28 22830 Los Angeles Verdugo Mountains; Henderson Canyon Creek, 0.5 Km west of Lockerbie Road on Whitting Woods Road, La Crescenta. 427 Comment
  RSA674639  Melica imperfecta Scott D. White, Kent Hughes 2000-5-16 7860 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UCD87928  Melica imperfecta Geoffrey Levin 1974-4-27 49 Los Angeles San Gabriel Mts. Evey Canyon, a side canyon of San Antonio Canyon. 731 Comment
  UCR219402  Melica imperfecta R. G. Swinney 2009-3-25 10158 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  UCR219824  Melica imperfecta R. G. Swinney 2009-4-16 10369 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  UCR270268  Melica imperfecta R. G. Swinney 2010-6-1 13098 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  POM348155  Melilotus albus Robert Gustafson 1980-7-9 1818 Los Angeles Ballona Wetlands, Area 3. Comment
  SEINET7760541  Melilotus indicus G. B. Grant 1903-1 768 Los Angeles Pasadena Comment
  UCR177793  Melinis repens LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 499 Los Angeles Los Angeles Basin; Verdugo Mountains Region, Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Slope on west side of Chandler Canyon 449 Comment
  UCR95770  Mentha canadensis Lauren Raz, Steve Boyd 1996-10-23 003 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  RSA440349  Mentzelia affinis Anstruther Davidson 1908-01 1982 Los Angeles Hollywood. Comment
  UCR26010  Mentzelia albicaulis M. Partsch 1977-5-14 39 Los Angeles Western Mojave Desert, Palmdale Blvd at 140th St. East [SW of Lake Los Angeles] 1067 Comment
  RSA38390  Mentzelia laevicaulis P. A. Munz 1947-9-21 12172 Los Angeles San Antonio Creek at Base Line Road, 3 miles east of Claremont, dry gravelly wash. 457 Comment
  CATA3075  Mentzelia micrantha Amy Catalano 2016-4-15 072 Los Angeles Santa Catalina Island: Side drainage of Renton Pass Canyon, below exclosure 4D, about 100 m up from main drainage, N-facing slope 378 Comment
  HSC15875  Mentzelia micrantha C. S. Apperson 1967-6-28 Los Angeles 2.5 mi. from Atmore Meadows Campground, at the bottom of Fish Canyon. Comment
  RSA446775  Mentzelia micrantha M. B. Dunkle 1933-6-17 206 Los Angeles San Antonio River Canyon 915 Comment
  RSA479518  Mentzelia micrantha Steve Boyd, T. S. Elias 1987-4-14 2061 Los Angeles Ridge between Pine Mountain and Silver Mountain, S of Rincon - Red Box Rd., N of Glendora. Comment
  UCR258575  Mentzelia micrantha R. G. Swinney 2010-4-23 12369 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA0092872  Mentzelia micrantha Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-7-16 SCa- 755 Los Angeles Santa Catalina Island: On ridge between Fourth of July Cove and Cherry Cove (Lions Head ridge). 31 Comment
  UCR206267  Mentzelia montana R. G. Swinney 2008-6-10 8999 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
  SDSU21031  Mentzelia pectinata Ian Cain, Ryan Gilmore 2010-6-2 1486 Los Angeles Angeles National Forest, San Gabrial Mountains. Roughly 2.49km east of Mount Gleason summit 1730 Comment
  UCR203197  Mentzelia veatchiana R. G. Swinney 2005-5-21 8251 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR205456  Mentzelia veatchiana R. G. Swinney 2008-5-2 8733 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA710834  Mentzelia veatchiana LeRoy Gross 2005-5-3 2209 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
  RSA756178  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-3 2264 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 69, per TRTP survey 2008) just south of state Hwy 14 in the vicinity of Soledad Pass 1002 Comment
  RSA650016  Mesembryanthemum blandum Tom Kawakami 1948-2-15 s.n. Los Angeles Loma Vista Way & Paige, Pomona. Comment
  RSA535709  Mesembryanthemum crystallinum T. S. Ross 1991-5-23 5508 Los Angeles San Clemente Island: Wilson cove Settlement; lawn at bus stop on N side of Bldg 60112. 53 Comment
  UCR263277  Micranthes californica Anuja Parikh, Nathan Gale 2012-5-3 3586 Los Angeles Transverse Range: San Gabriel Mountains, West Fork San Gabriel River, 6.7 km west of State Hwy 39, San Gabriel Canyon Road 602 Comment
  CAS-BOT-BC322635  Microseris douglasii subsp. platycarpha P. A. Munz 1923-4-10 6739 a Los Angeles San Clemente Island Comment
  RSA188032  Microseris lindleyi R. F. Thorne 1966-4-30 36346 Los Angeles Santa Catalina Island: mouth of Gallagher's Canyon. 8 Comment
  RSA537265  Mimulus aurantiacus Fordyce Grinnell Jr. 1910-06 3465 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  LA35261  Mimulus aurantiacus var. pubescens Mary V. Hood; 1939-5-30 Los Angeles Mint Canyon 1523 Comment
  RSA590558  Mimulus aurantiacus var. pubescens Tim S. Ross, W. Appleby 1993-5-20 7188 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  UC1302319  Mimulus aurantiacus var. puniceus Robert F. Thorne and P. C. Everett 1964-2-7 33476 Los Angeles junction of Airport road and Canyon road; Santa Catalina Island 457 Comment
  RSA191012  Mimulus brevipes Robert F. Thorne, James Henrickson 1963-5-5 32309 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  UCR263280  Mimulus brevipes Anuja Parikh, Nathan Gale 2012-5-9 3589 Los Angeles Transverse Range: San Gabriel Mountains, 0.8 km north of the West Fork San Gabriel River, 1.4 km east of Shortcut Canyon 1106 Comment
  POM2  Mimulus brevipes C. F. Baker 1903-8-2 3664 Los Angeles Hills N of Claremont Comment
  RSA762704  Mimulus breweri R. G. Swinney 2008-7-24 9344 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA0102532  Mimulus cardinalis Richard G. Swinney 2010-9-30 13955 Los Angeles San Gabriel Mountains: 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCR209600  Mimulus cardinalis R. G. Swinney 2008-7-2 9136 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA332615  Mimulus cardinalis Wayen E. Sawyer 1981-6-29 71 Los Angeles Ca Hwy between Dawson Saddle and junction of Ca Hwy 39, 1.8 mi. from Dawson Saddle. 2241 Comment
  RSA420671  Mimulus cardinalis Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  RSA580454  Mimulus constrictus Tim S. Ross, S. D. Boyd 1994-5-11 7817 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  RSA21243  Mimulus fremontii Carl B. Wolf 1937-4-28 8514 Los Angeles Mojave Desert, Antelope Valley, 4.5 miles S of Lancaster. 716 Comment
  UCSC000868  Mimulus fremontii Peter Kamb 1948-5-6 954 Los Angeles Desert foothills of the San Gabriel Mts above Little Rock San Gabriel Mts, Little Rock 975 Comment
  RSA408104  Mimulus fremontii R. S. Woglum 1932-04 s.n. Los Angeles Palmdale Comment
  POM111A  Mimulus fremontii var. fremontii L. R. Abrams 1901-4-7 s.n. Los Angeles La Canada Comment
  UCR204845  Mimulus johnstonii R. G. Swinney 2005-8-11 8440 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA0056597  Mimulus johnstonii Louis C. Wheeler 1948-6-13 6644 Los Angeles San Gabriel Mountains: Coldwater Canyon, off Big Tujunga. 1006 Comment
  RSA9770  Mimulus palmeri R. M. Straw 1954-6-16 626 Los Angeles Horse Flats Road, off Angeles Crest Hwy. Angeles National Forest. Comment
  RSA682517  Mimulus pilosus Scott D. White, Michael Honer 2003-5-7 9188 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  RSA755900  Mimulus pilosus R. G. Swinney 2008-7-24 9293 Los Angeles Waterman Mountain 2412 Comment
  SBBG69947  Minuartia douglasii R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  RSA0108832  Mirabilis laevis R. G. Swinney 2010-5-21 12891 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. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA649339  Mirabilis laevis Don Holland 1971-3-17 P. 028 Los Angeles Collected on west end of Puddingstone Reservoir, off San Dimas Ave. 335 Comment
  RSA187976  Mirabilis laevis var. crassifolia Robert F. Thorne 1966-4-4 35763 Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus 61 Comment
  UCR143091  Monardella australis subsp. cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Transverse Ranges; San Gabriel Mtns., 'Little Baldy 2896 Comment
  SFV19152  Monardella exilis J. N. Hogue, S. G. Hogue, J. M. Wrublik 2003-5-12 194 .3 Los Angeles Mojave Desert Alpine Butte. 850 Comment
  CAS-BOT-BC220432  Monardella saxicola Louis C. Wheeler 1936-6-22 4174 Los Angeles Tanbark Flat, San Dimas Canyon, San Gabriel Mts. 822 Comment
  POM215886  Monardella viridis subsp. saxicola Louis C. Wheeler 1935-11-3 4065 Los Angeles Palmer canyon, San Gabriel Mtns. 518 Comment
  RSA707387  Monardella viridis subsp. saxicola Naomi S. Fraga, Tim Thibault, Eshan Taquvi 2005-7-26 1632 Los Angeles West Fork of Palmer Canyon. 671 Comment
  VVC99  Monolopia lanceolata Wandalee Thompson 1964-4-13 96 Los Angeles Foothills near Palmdale. 945 Comment
  RSA317216  Muilla maritima Michael C. Long, P. H. Sullivan 1974-5-19 s.n. Los Angeles Deviel s Punchbowl Co. Park, 0.5 mi. N of Parking area. Comment
  UCR91386  Myoporum laetum Scott D. White 1995-3-15 2575 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  SBBG126072  Myosurus minimus A. Parikh with N. Gale, A. C. Sanders, S. Reynolds 2010-3-29 3135 Los Angeles ephemeral stream ca. 0.7 mi ESE (103 deg) of Quail Lake, NE of intersection of National Cement Plant Rd and Hwy 138 1015 Comment
  RSA461905  Myrica californica C. Henne 1945-5-30 s.n. Los Angeles Santa Monica Mts. Comment
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Dec 9 2014
  UC119274  Myrica californica unknown 1891-5 Los Angeles Rustic Canyon Santa Monica Range, Rustic Canyon Comment
  RSA0013167  Nama californica Orlando Mistretta, Christine Mistretta 2011-6-6 5679 Los Angeles Vicinity of Palmdale. Approx. 100 meters SW of intersection of Elizabeth Lake Rd and Southern California Edison transmission line corridor, 2.32 miles E of Jct of Elizabeth Lake Rd. and Godde Hill Rd. 898 Comment
  RSA421091  Nama californica Anstruther Davidson 1907-1 s.n. Los Angeles Antelope Valley Comment
  UCD119562  Nama demissa var. demissa Daryl Koutnik; Vickie Dawes 1978-4-6 266 Los Angeles South of Palmdale along State Hwy 138 to Little Rock. 816 Comment
  SFV2977  Nama demissum P. G. Kilburn 1958-4-18 s. n. Los Angeles Mojave Desert Palmdale. Ave. N and 22nd Street, 3 miles northwest of town. 790 Comment
  UCR51505  Narcissus tazetta A. C. Sanders 1988-2-3 7608 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  CAS-BOT-BC259789  Nassella cernua Frank W. Gould 1944-3-26 2176 Los Angeles Palos Verdes Hills near Walteria Comment
  CAS-BOT-BC259794  Nassella cernua I. M. Johnston 1917-6-10 1300 Los Angeles Near Mesmer 30 Comment
  RSA187854  Nassella lepida R. F. Thorne 1966-6-1 36483 Los Angeles Santa Catalina Island. Opposite Bird Park, Avalon. 30 Comment
  RSA484115  Nassella lepida Anstruther Davidson 1917-06 s.n. Los Angeles Crescenta. Comment
  POM346626  Nasturtium officinale Barry Burnell 1969-5-22 135 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  RSA656181  Navarretia hamata Joseph M. Keefe 1978-6-4 23331 Los Angeles Verdugo Mountains: 100 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 287 Comment
  POM11683  Navarretia hamata subsp. hamata Ernest Braunton 1903-06 891 Los Angeles From Glendale to Burbank Comment
  RSA0044698  Navarretia hamata subsp. hamata L. C. Wheeler 1932-7-2 884 Los Angeles Ridge between main canyon and E Fork San Dimas canyon, San Gabriel Mountains. 915 Comment
  UC557732  Navarretia hamata subsp. leptantha Nell Murbarger May 1936 159 Los Angeles San Clemente Island Comment
  UCR239614  Navarretia ojaiensis Dan S. Cooper 2012-6-14 612- 41 Los Angeles Western Transverse Range; Santa Monica Mountains, Newton Canyon Rd. near Latigo Canyon Rd. intersection 521 Comment
  UCR155604  Navarretia setiloba A. C. Sanders 2005-5-11 30136 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
  CAS-BOT-BC536063  Nemacladus glanduliferus R. G. Swinney 2011-7-7 15433 Los Angeles San Gabriel Mtns: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1231 Comment
  SEINET10939155  Nemacladus sigmoideus Thorne 1973-5-11 THORNE 43541 Los Angeles 1036 Comment
  RSA421328  Nemophila menziesii T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  SFV2988  Nemophila menziesii M. L. Vincent 1961-5-20 117 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles west of New Topanga Canyon Road, south of highway. 245 Comment
  UC284099  Nemophila menziesii var. integrifolia H. M. Hall Apr 1903 Los Angeles near Pasadena; near Pasadena Comment
  POM8272  Nemophila menziesii var. integrifolia P. A. Munz, R. D. Harwood 1920-5-17 3976 Los Angeles Topango [Topanga] Canon, Santa Monica Mtns 152 Comment
  UC24269  Nemophila menziesii var. integrifolia H. M. Hall 3081 Los Angeles Elizabeth Lake, Los Angeles Co. Comment
  UCR102384  Nicandra physalodes L. C. Wheeler 1973-6-8 s.n. Los Angeles Coastal Plains & Basins; Los Angeles Basin region, Los Angeles: [Long Beach/Carson] SE of Alameda Street and San Diego (405) Fwy, between Sepulveda Blvd. & 233rd Street [Los Angeles Harbor Department, Classification Yard, east of Dominguez Flood Control channel] 8 Comment
  UCR269595  Nicotiana attenuata R. G. Swinney 2011-6-29 15367 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  UC586887  Nicotiana attenuata Joseph Andorfer Ewan 1934-8-2 8383 Los Angeles Swartout Valley; near county line 1981 Comment
  CDA5791  Nicotiana glauca T. S. Ross, Walter Appleby 1993-5-19 7179 Los Angeles Transverse Ranges; San Gabriel Mts region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. Comment
  RSA642691  Nicotiana glauca Orlando Mistretta 1992-7-14 709 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  POM48465  Nitrophila occidentalis F. W. Peirson 1924-10-19 5229 Los Angeles Clearwater. Comment
  UC21141  Oenanthe sarmentosa unknown 1893-7-10 476 Los Angeles Pasadena Comment
  CAS-BOT-BC167052  Oenothera californica Louis C. Wheeler 1932-4-9 595 Los Angeles 6 mi. W Lancaster, [Mohave] Mojave Desert 731 Comment
  UC73306  Oenothera californica subsp. californica Pupils of Los Angeles High School May 1901 Los Angeles near Los Angeles Comment
  RSA699576  Oenothera cespitosa Seacord s.n. Los Angeles West Mojave. Comment
  UC20437  Oenothera deltoides subsp. deltoides Dr. A. Davidson May 1895 Los Angeles Lancaster Comment
  RSA736165  Oenothera dentata Rosemarie Zimmermann 1964-5-1 340 Los Angeles E side Hwy 99, 1 miles S of Labor ledge S of Castar Lake. Tehachapi, San Joanquin Valley. 1265 Comment
  CAS-BOT-BC427449  Oligomeris linifolia G. B. Grant 1902-7-20 s.n. Los Angeles Santa Monica Comment
  SEINET10881678  Opuntia parryi Joseph A. Ewan 1937-8-23 Ewan 11061 Los Angeles dry wash, Tujunga Canyon near its mouth. Comment
  POM317682  Opuntia phaeacantha W. Hubert Earle 1968-1 s.n. Los Angeles Lancaster; Meadow Wash Canyon. Mojave Desert. 762 Comment
  RSA512071  Orobanche bulbosa Louis C. Wheeler 1948-6-13 6640 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga at Coldwater Canyon. 976 Comment
  RSA0093123  Orobanche fasciculata Richard G. Swinney 2011-5-12 14688 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy. 1183 Comment
  UC1409138  Orobanche fasciculata R. F. Thorne, L. E. DeBuhr 1972-8-18 42254 Los Angeles San Gabriel Mountains, Angeles National Forest: open peak of Mt. Islip. Comment
  UCR238100  Orobanche fasciculata Mark A. Elvin, Cathleen Weigand 2003-5-22 2902 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA0066510  Orobanche fasciculata Frank W. Peirson 1920-5-28 465 Los Angeles San Antonio Canyon, San Gabriel Mts. 1463 Comment
  RSA0070939  Orobanche fasciculata Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge, at head of Brainard Canyon. 1402 Comment
  SEINET10549693  Orthocarpus linearilobus David B. Dunn 1941-3-22 Dunn 899 Los Angeles Three mi n from clear creek service station, n side of tehachepis oak covered Hills. Comment
  POM292781  Orthocarpus purpurascens Lyman D. Benson 1945-4-14 11673 Los Angeles Claremont. 351 Comment
  POM122164  Orthocarpus purpurascens var. pallidus Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. Comment
  SBBG98302  Osmadenia tenella L. C. Wheeler 1932-6-4 799 Los Angeles Liveoak Cyn 518 Comment
  JEPS15945  Osmorhiza brachypoda Frank W. Peirson 1918-5-19 135 Los Angeles Millards Canyon San Gabriel Mountains Comment
  RSA584950  Osmorhiza brachypoda T. S. Ross, Steve D. Boyd 1991-4-25 4613 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
  RSA785299  Oxalis corniculata Doris Bowers 1957-5-20 110 Los Angeles LaVerne College 305 Comment
  POM353463  Oxalis pes-caprae Louis C. Wheeler 1932-2-22 449 Los Angeles 2 miles north Claremont 412 Comment
  RSA392906  Oxytheca parishii var. parishii Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA473022  Packera ionophylla Robert Gustafson 1983-7-18 2781 Los Angeles San Gabriel Mountains, Angeles Crest Highway, Pine Hollow 2134 Comment
  CAS-BOT-BC121164  Paeonia californica C. F. Baker 1903-4-1 5045 Los Angeles Claremont Comment
  CAS-BOT-BC400778  Paeonia californica Jun Hu; Weena Sangkatavat 2000-4-22 04 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  RSA792776  Paeonia californica Justin M. Wood 2009-3-24 390 Los Angeles City of Claremont: Bernard Field Station, NW corner of Mills Ave. and Foothill Blvd. Northernmost portion of the station, east of RSABG. 410 Comment
  RSA594451  Panicum miliaceum D. L. Banks 1996-3-11 862 Los Angeles Claremont; Oakwood Apartments; 580 S Bucknell Ave.; S side of building next to Patio of Apartment Q. Comment
  UCR127172  Panicum miliaceum subsp. miliaceum A. C. Sanders, Mark A. Elvin 2003-6-20 27003 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  LA32242  Papaver californicum Henry J. Thompson; 1959-5-24 2002 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.9 mi N of Pacific Coast Hwy on Tuna Canyon Rd 335 Comment
  RSA717858  Papaver californicum R. G. Swinney 1997-5-13 5516 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  CAS-BOT-BC274174  Pappostipa speciosa A. D. E. Elmer 1902-6-1 3709 Los Angeles Acton, Mt. Gleason Comment
  RSA545207  Parapholis incurva Timothy S. Ross 1992-4-14 6783 Los Angeles San Clemente Island, Lemon Tank Road, 25m ESE of its intersection with the main N-S island road 341 Comment
  OBI8723  Parietaria hespera Robert J. Rodin 1953-5-2 5811 Los Angeles Cyn behind Whites Cove, Catalina Island Comment
  RSA177658  Parietaria hespera var. hespera Robert F. Thorne, Percy C. Everett 1965-5-10 34489 Los Angeles Upper end of Gallagher Canyon; Santa Catalina Island 412 Comment
  POM364352  Paspalum distichum Geo. L. Moxley 1915-9-2 442 Los Angeles Ave. 54th between Abbott and Ash streets Comment
  CDA34953  Paspalum quadrifarium R. E. Riefner Jr. 2007-7-1 07 -288 Los Angeles San Dimas; Puddingstone Reservoir, Bonelli Regional Park, East Shore Dr. Comment
  SEINET10682088  Passiflora biflora S. Krosnick 2008-7-27 Krosnick 436 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #111C in Honduras Comment
  CATA436  Pectocarya linearis subsp. ferocula Sara L. Crockett, Mark Elvin 1997-3-17 574 Los Angeles Santa Catalina Island: Top of SE-trending ridge, overlooking road ca. 1.25 mies NE on Cape Canyon Road from jct. with Middle Ranch Road 381 Comment
  RSA77867  Pectocarya linearis subsp. ferocula F. W. Peirson 1918-5-5 1017 Los Angeles Brents on the Malibu, Santa Monica Mountains. Comment
  RSA233414  Pectocarya linearis subsp. ferocula R. F. Thorne 1966-4-17 36131 Los Angeles San Clemente Island, Box Canyon, NW of Horse Canyon, SW of Thirst. 274 Comment
  RSA0036305  Pectocarya penicillata LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6970 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  UCR118696A  Pectocarya penicillata David Charlton 1989-4-30 3032 A Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs, c. 5 mi. (air) south of Palmdale, approximately 1 mile north of the northern boundary of the Angeles National Forest 1037 Comment
  UCR93305  Pectocarya penicillata T. S. Ross, Steve Boyd 1994-5-10 7717 Los Angeles San Gabriel Mtns., Warm Springs Canyon: canyon bottom ad adjacent northerly slopes at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; c. 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon. 683 Comment
  UC1871066  Pectocarya recurvata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4801 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
  UCR205462  Pectocarya setosa R. G. Swinney 2008-5-2 8738 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  LA51894  Pedicularis densiflora W. O. Griesel; 1936-4-19 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  LA94153  Pellaea andromedifolia Lawrence L. Kiefer; 1966-4-30 1951 Los Angeles SANTA MONICA MOUNTAINS, ca 1.5 mi SW of Lake Sherwood. 304 Comment
  RSA651836  Pellaea andromedifolia Clyde May 1949-5-3 s.n. Los Angeles North of Cal Poly football field 182 Comment
  RSA777527  Pellaea mucronata R. G. Swinney 2009-4-28 10535 Los Angeles Summit of Mt. Emma 1585 Comment
  UCR152472  Pennisetum setaceum A. C. Sanders, Lee Jones 2005-4-8 29346 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA596485  Penstemon centranthifolius Louis C. Wheeler 1967-5-24 9721 Los Angeles San Gabriel Mountains. Indian Canyon 'Campground' 823 Comment
  SBBG118768  Penstemon centranthifolius L. Gross with P. Morton 2004-6-9 1334 Los Angeles W end of the main crest, S from Pacific Crest Trail along rd (7N23) past the 2nd PC Trail that exits off N of the rd, W of Bear Gulch Camp; T7N R17W S12,11,10and3 1688 Comment
  SBBG66479  Penstemon centranthifolius M. N. Ackley -May-1922 1085 Los Angeles La Crescenta 457 Comment
  UC55373  Penstemon centranthifolius J. H. Barber Los Angeles Soma Canyon Comment
  UC886875  Penstemon centranthifolius B. C. Templeton and I. W. Clokey 1930-4-8 4718 Los Angeles San Francisquita Canyon Comment
  SEINET3160255  Penstemon cordifolius G. B. Grant 1904-6-14 935 Los Angeles Monrovia Comment
  SEINET13276826 Image available Penstemon grinnellii R. G. Swinney 2011-1 15753 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  RSA408038  Penstemon grinnellii subsp. grinnellii F. H. Elmore 1936-4-23 314 Los Angeles Near Big Pines. Comment
  RSA96916  Penstemon grinnellii subsp. grinnellii R. M. Straw 1954-6-16 615 Los Angeles Just west of Cloudburst Summit on Angeles Crest Hwy. 2134 Comment
  JEPS23214  Penstemon grinnellii var. grinnellii Rimo Bacigalupi with Reino Alava 1958-7-20 6427 Los Angeles along Angeles Crest Highway (State Highway 2) (along nw shoulder of Mt. Islip watershed of South Fork of Big Rock Creek); San Gabriel Mountains, Angeles National Forest 2164 Comment
  UCR256534  Penstemon grinnellii var. grinnellii Anuja Parikh, Nathan Gale 2011-6-22 3493 Los Angeles Transverse Range: San Gabriel Mountains, northwest of Iron Mountain, 1.5 km east of Angeles Forest Hwy, 0.9 km south of Monte Cristo Creek 1315 Comment
  UC1293689  Penstemon heterophyllus var. australis P. C. Everett and E. K. Balls 1959-6-2 23843 Los Angeles 1 mi ne of entrance Stokes Canyon; Santa Monica Mts., ne of entrance to Stokes Canyon 182 Comment
  RSA792095  Penstemon rostriflorus Jane Tirrell 2012-7-10 LS 0098 Los Angeles 50 m southwest of junction of Pacific Crest Trail and South Mt. Hawkins Trail 2564 Comment
  RSA15209  Penstemon spectabilis subsp. subviscosus Carl B. Wolf 1926-5-7 s.n. Los Angeles Near Eagle Rock between Eagle Rock city and Pasadena Comment
  RSA729363  Penstemon spectabilis var. subviscosus R. G. Swinney 1998-7-27 6494 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  NY130530  Penstemon ternatus subsp. septentrionalis L. Abrams 1908-6-19 394 Los Angeles Oakgrove Canyon, Liebre Mountains. 1066.8 Comment
  CATA51  Pentagramma triangularis USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 30 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  SFV76  Pentagramma triangularis K. A. Wilson 1961-2-18 856 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Sulfur Hot Springs. Small valley with running stream. Comment
  RSA0066057  Pentagramma triangularis D. Propst, M. Hoefs 1973-2-5 1 Los Angeles Santa Catalina Island: Southeast of Wrigley Memorial in Upper Avalon Canyon. 244 Comment
  SDSU3651  Pentagramma triangularis A. Gallup 1948-1-24 101 Los Angeles Claremeont - in wash at 9th and Amhearst 366 Comment
  LA94216  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-10 1859 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  RSA0070712  Pentagramma viscosa T. R. Pray 1965-6-10 3201 Los Angeles Santa Catalina Island, above road south of Holland's Cove. Comment
  RSA228958  Perideridia parishii subsp. latifolia R. F. Thorne 1971-8-25 41307 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  UCSB56346  Peritoma arborea Thorne, Robert 1975-9-3 Los Angeles Santa Catalina Island, near Blue Cavern Point 15 Comment
  CAS-BOT-BC418872  Persicaria hydropiperoides Le Roy Abrams 1901-8-1 2187 Los Angeles Ballona Creek Comment
  CAS-BOT-BC167755  Petalonyx thurberi Carl B. Wolf 1932-10-19 4350 Los Angeles Mint Canyon. 8 mi. above Saugus 426 Comment
  UCR256925  Petunia parviflora D. E. Bramlet, Robt. L. Allen 2011-5-24 4848 Los Angeles Coastal Plains and Basins; Los Angeles Basin, Whittier Narrows Recreation Area, east shoreline of the middle Legg Lake, 326 m west of Santa Anita Ave., 570 m south of 60 freeway 64 Comment
  UCR271248  Phacelia brachyloba R. G. Swinney 2011-6-1 14970 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  RSA387229  Phacelia brachyloba T. Reeves 1975-5-18 R 2671 Los Angeles 2.7 mi NE of La Canada on Hwy 2. Comment
  UC702985  Phacelia brachyloba John Thomas Howell 1938-6-10 3885 Los Angeles Fish Canyon-Monrovia Canyon Divide San Gabriel Mts. Comment
  RSA427659  Phacelia cicutaria var. hispida F. R. Fosberg 1930-7-3 3033 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UCR192949  Phacelia cicutaria var. hispida Dan S. Cooper 2008-5-9 s.n. Los Angeles Los Angeles Basin, just east of Illinois Dr, southwestern South Pasadena 233 Comment
  SDSU6641  Phacelia cicutaria var. hispida Gerald Collier 1951-4-15 M 409 Los Angeles simi hills. one mile inside en trance of north American testing grounds about 3 miles N.E of Chatts Worth Lake. Grassy Slope. Comment
  SEINET3158135  Phacelia davidsonii G. B. Grant 1906-6-15 957 Los Angeles Summit of Mt. Wilson, San Gabriel Mts. 1829 Comment
  UC1375400  Phacelia davidsonii Robert F. Thorne and C. W. Tilforth 1971-6-30 40762 Los Angeles along a dry branch of creek 0.3 mi below Alder Saddle; San Gabriel Mts., Angeles National Forest, S Fork of Little 1615 Comment
  CHSC100166  Phacelia distans John Dittes 2006-6-4 1389 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air-miles northwest of Chatsworth Highschool, ca. 0.9 air-mile west of Topanga Blvd., ca. 0.8 air-mile east x northeast of Santa Susana Pass. 381 Comment
  RSA426228  Phacelia distans T. S. Clare 1929-4-11 s.n. Los Angeles Verdugo Hills. Comment
  RSA592288  Phacelia distans Louis C. Wheeler 1967-5-12 9423 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA607020  Phacelia distans Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  RSA747417  Phacelia distans R. G. Swinney 2008-5-12 8839 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  SBBG31375  Phacelia distans R. F. Thorne with P. C. Everett 1965-5-11 34525 Los Angeles near Ballast Pt, E side of Catalina Harbor 60 Comment
  UCR275302  Phacelia distans Dan S. Cooper 2010-3-8 s.n. Los Angeles Western Tarnsverse Range; eastern Santa Monica Mtns., Griffith Park, Vermont Canyon, on slope east of tennis Courts 259 Comment
  SBBG64921  Phacelia douglasii R. Hoffmann 1929-4-28 Los Angeles near Harold Comment
  UCR157731  Phacelia douglasii David Charlton 1990-4-7 4199 Los Angeles Western San Gabriel Mtns. Foothills, Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1159 Comment
  SD51899  Phacelia floribunda Peter H. Raven 1962-7-12 18037 Los Angeles Northwest Harbor, west end. 14 Comment
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Feb 20 2017
  SBBG118583  Phacelia fremontii L. Gross with O. Mistretta, V. Soza 2003-5-13 885 Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  UCR260004  Phacelia fremontii R. G. Swinney 2010-5-11 12629 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
  LA91494  Phacelia grandiflora Bruce Douglas Clayton; Greg Shaw 1972-4-15 95 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak 586 Comment
  SEINET3158153  Phacelia grandiflora G. B. Grant 1903-1 960 Los Angeles Pasadena Comment
  POM8874  Phacelia imbricata subsp. imbricata W. R. Dudley, F. H. Lamb 1896-6-8 4380 Los Angeles Liebre Mts. Comment
  RSA11060  Phacelia longipes Carl B. Wolf 1928-3-29 1570 Los Angeles Junction of Pine Canyon road and road to Sandbergs. 3 mi. S.W. of Neenach. 1067 Comment
  RSA332055  Phacelia longipes Wayen E. Sawyer 1981-6-11 24 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Hwy. 2 between Dawson Saddle and juction of CA Hwy. 39, 1.6 mi. from Dawson Saddle 2302 Comment
  RSA428045  Phacelia longipes Geo. L. Moxley 1915-7-4 364 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  UC1375379  Phacelia longipes Robert F. Thorne and A. C. Gibson 1971-5-22 39733 Los Angeles Fish Canyon San Gabriel Mts., Angeles National Forest 304 Comment
  UCR273215  Phacelia longipes R. G. Swinney 2011-5-6 14600 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  CHSC26341  Phacelia minor Emese M. Sajo 1966-4-9 25 Los Angeles Big Tujunga Canyon, 3 miles east of Tujunga in the San Gabriel Mountains. 762 Comment
  RSA0053876  Phacelia minor R. G. Swinney 2010-5-11 12623 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA82619  Phacelia minor P. A. Munz 1925-4-23 9459 Los Angeles San Gabriel Canyon. 488 Comment
  UC881199  Phacelia minor Ira W. Clokey, B. Templeton Mar., 1929 4532 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  JEPS99205  Phacelia mohavensis Victor Duran 1933-7-11 3512 Los Angeles Sulphur Springs San Gabriel Mountains Comment
  UCR256236  Phacelia mohavensis R. G. Swinney 2010-10-13 14039 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA428150  Phacelia parryi Anstruther Davidson 1910-07 2503 Los Angeles San Gabriel Comment
  RSA584494  Phacelia ramosissima var. latifolia Tim S. Ross 1992-5-24 6426 Los Angeles Lower Brown s Gulch: W of San Gabriel Dam, on W side of Hwy 39. 479 Comment
  RSA660095  Phacelia ramosissima var. ramosissima Orlando Mistretta 1992-6-12 545 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  SD38351  Phacelia viscida Edith Purer 1931-5-8 Los Angeles Griffith Park Comment
  SD240811  Phalaris minor Dave Silverman, Jeff Jarvis & Colleen Martin 2010-5-19 8017 Los Angeles Antelope Valley, north of Lancaster, 25 m west of Sierra Highway, 180 m north of Avenue F. 701 Comment
  SEINET10973258  Phaseolus vulgaris Kappes 2001-3-2 Kappes 98 Los Angeles Farm Fresh, 6333 W. 3rd Street, Los Angeles, CA, 90036. Phone: (323) 931-3773. Comment
  RSA609588  Phleum pratense L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
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Feb 19 2015
  CAS-BOT-BC230659  Pholisma arenarium Rich 1920-6-5 s.n. Los Angeles 0.5 mile E of Lancaster Comment
  RSA459257  Pholistoma auritum T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA529294  Pholistoma auritum Tim S. Ross 1991-4-8 4458 Los Angeles Elephant Hill: Western Pomona. 229 Comment
  CAS-BOT-BC222552  Pholistoma auritum var. auritum Louis C. Wheeler 1932-4-2 551 Los Angeles Head of Mandeville Canyon, Santa Monica Mts. 487 Comment
  LA38517  Pholistoma auritum var. auritum Carl Epling; 1930-4-10 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  RSA0119001  Pholistoma membranaceum A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33527 Los Angeles Western Transverse Range; Liebre Mtns. Region: south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch. 945 Comment
  RSA250603  Pholistoma membranaceum Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39496 Los Angeles Mojave Desert: Ca. 3 mi. S of Hwy. 138 on Grandview Canyon road, ca. 9 mi. ESE of Pearblossom 1280 Comment
  RSA459282  Pholistoma membranaceum Anstruther Davidson 1895-5-4 s.n. Los Angeles Gorman St[ation] Comment
  RSA570183  Pholistoma membranaceum Tim S. Ross 1991-4-30 5020 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  RSA628875  Pholistoma membranaceum Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  CAS-BOT-BC134962  Phoradendron bolleanum Charles F. Richter 1920-9-1 s.n. Los Angeles Pleasant View Ridge and Mt. Islip, San Gabriel Mts Comment
  SBBG81861  Phoradendron leucarpum subsp. tomentosum R. J. Rodin 1953-5-17 5829 Los Angeles near main hwy 3 mi S of Gorman Comment
  UCSB15390  Phoradendron leucarpum subsp. tomentosum Breedlove, Dennis 1961-8-4 Los Angeles Steep slope at western edge of Mohave Desert on Big Pines Highway at junction with Largo Vista Road; San Gabriel Mountains 1524 Comment
  UCR84568  Phoradendron macrophyllum Vanessa Ashworth 1994-10-5 66 Los Angeles RSABG grounds (immediately north of main building) Comment
  UCR150956  Phoradendron villosum Sandra L. Leatherman, Brian Daniels 1998-11-10 61 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon: Directly west of the intersection of Bouquet Canyon Road and Vasquez Canyon Road 488 Comment
  RSA434515  Phyla nodiflora Edwin Kline 1928-5-31 s.n. Los Angeles Vacant lots + waste places. Comment
  SD232255  Pickeringia montana var. montana V. Soza, LeRoy Gross 2001-5-22 1245 Los Angeles Transverse Ranges, San Gabriel Mountains region: Just above northern boundary of Morgan Fire 2000 area, headwaters of Morgan Canyon, ca. 500 feet south of Bluebird Motorway, WNW of Sycamore Flat. 808 Comment
  RSA596495  Pinus coulteri L. C. Wheeler 1966-11-30 9163 Los Angeles San Gabriel Mountains. Crystal Lake cutoff ca. 1 mi. southerly from Snow Spring, Bear Creek, off West Fork San Gabriel Drainage. 1768 Comment
  RSA773288  Pinus coulteri R. G. Swinney 2009-6-24 11274 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  CAS-BOT-BC78599  Pinus flexilis Robert F. Thorne 1971-8-25 41277 Los Angeles San Gabriel Mts., Angeles National Forest: Summit of Mt. Hawkins 2697 Comment
  RSA169027  Pinus jeffreyi Mark Parratt 1964-2-6 604 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  RSA774602  Pinus jeffreyi R. G. Swinney 2009-7-29 11401 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SFV21907  Pinus lambertiana J. N. Hogue 2011-5-12 s. n. Los Angeles San Gabriel Mountains Highway 2 at east entrance to Buckhorn Campground. 2000 Comment
  UCR12152  Pinus monophylla Art Whistler 1966-6-23 s.n. Los Angeles San Gabriel Mtns., along Hwy to Palmdale (Route 138) from Route 2 to Mt. Wilson Comment
  POM308085  Pinus ponderosa Henry J. Ramsey, Henry J. Ramsey 1940-10-13 2912 Los Angeles San Gabriel Mountains. Angeles Crest Hwy. 1524 Comment
  RSA611915  Piperia cooperi Louis C. Wheeler 1934-4-27 2574 Los Angeles Marshall Creek (La Verne Quad.), San Gabriel Mountains. 457 Comment
  UCD89887  Piptatherum miliaceum W. M. Phillipson 1914-5-1 4747 Los Angeles Monrovia. Comment
  SEINET10630720  Pisum sativum Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2523 Los Angeles City of Pasadena. How's Market, 3035 Huntington Drive. Comment
  UCR205564  Pityrogramma triangularis R. G. Swinney 2008-5-30 8899 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
  RSA593686  Plagiobothrys arizonicus Steve Boyd 1996-4-25 8711 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  UCR126605  Plagiobothrys arizonicus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26062 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course 396 Comment
  POM368861  Plagiobothrys canescens F. R. Fosberg 1932-5-7 10648 Los Angeles Ridges of Grand Canyon, Santa Catalina Island. Comment
  POM246603  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-4-6 696 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  SD90636  Plagiobothrys collinus var. gracilis Robert F. Thorne 1966-4-17 36103 Los Angeles San Clemente Island 548 Comment
  SD69598  Plantago coronopus Robert Thorne, P. Everett 1965-5-11 Los Angeles Salt flat behind N beach at Little Harbor; Santa Catalina Island; 2 Comment
  RSA402028A  Plantago erecta A. Menke 1955-3-26 s.n. Los Angeles Point Dume. Comment
  UC28044  Plantago erecta Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  SD241124  Plantago indica R. G. Swinney 2009-4-7 10293 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley: Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel Rover channel (Axusa 7.5'Q) 168 Comment
  UCR132938  Plantago indica Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  RSA191071  Plantago major Robert F. Thorne, M. Z. Thorne 1967-7-2 37240 Los Angeles San Antonio Canyon; Chapman Ranch, above Mt. Baldy Village. 1357 Comment
  UCR214592  Plantago ovata A. C. Sanders, Dan S. Cooper 2010-4-30 38119 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CATA173  Plantago ovata var. insularis Mark L. Hoefs, A. Douglas Propst 1973-4-6 138 Los Angeles Santa Catalina Island: Middle of Cape Canyon 304 Comment
  RSA0089519  Platanthera dilatata var. leucostachys R. G. Swinney 2011-8-17 15619 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA250511  Platanthera sparsiflora Robert F. Thorne, John Dourley 1967-10-10 37353 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  RSA578833  Platanus racemosa Tim S. Ross, Darin Banks 1994-4-13 7523 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  SEINET12036344  Platanus racemosa Unknown 1936-1 12733 Los Angeles near Santa Monica Comment
  LA206297  Platystemon californicus Carl Epling; M. Epling May 1925 sn Los Angeles Arroyo Seco Comment
  SBBG70060  Platystemon californicus R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  POM7031  Plectritis ciliosa subsp. insignis Philip A. Munz, L. T. Street, G. Williams 1919-4-5 2417 Los Angeles Puddingstone Canyon. San Dimas. 259 Comment
  CAS-BOT-BC244434  Poa annua Geo. B. Grant 1903-4-1 s.n. Los Angeles Pasadena Comment
  UCR210407  Poa annua R. G. Swinney 2008-12-6 9968 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  UCR193598  Poa pratensis R. G. Swinney 1999-8-16 7658 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  RSA746898  Poa secunda R. G. Swinney 2005-4-15 8218 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  RSA229729  Poa secunda var. secunda R. F. Thorne 1971-6-26 40605 Los Angeles Summit of Mt. Wilson 1738 Comment
  POM8867  Polycarpon depressum L. R. Abrams 1901-4-1 1212 Los Angeles Ballona Harbor. Comment
  UC130517  Polycarpon depressum F. M. Reed 1909-7-4 2841 Los Angeles hills se Avalon; Catalina Island 304 Comment
  RSA477715  Polycarpon depressum Tom Burch 1940-3-9 s.n. Los Angeles Redondo Beach. 0 Comment
  CAS-BOT-BC167817  Polygala cornuta var. fishiae Peter H. Raven 1960-5-21 15403 Los Angeles Triunfo Canyon 259 Comment
  CAS-BOT-BC167818  Polygala cornuta var. fishiae A. J. McC. 1893-7-29 168 Los Angeles Pasadena 1219 Comment
  RSA580116  Polygonum lapathifolium Tim S. Ross, S. D. Boyd 1994-9-21 8335 Los Angeles 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100m W of the Cow Spring Canyon drainage. 1149 Comment
  CAS-BOT-BC71880  Polypodium californicum Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  LA4308  Polypodium californicum W. Scott Lewis; 1903-5-17 298 Los Angeles SANTA MONICA MOUNTAINS, Mt Hollywood Comment
  UC399457  Polypodium californicum C. F. Millspaugh 1920-1-12 4573 Los Angeles Middle Ranch Canyon; Santa Catalina Isl. Comment
  UCR194273  Polypodium californicum R. G. Swinney, Dave Larson 1999-6-25 7396 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA85047  Polypodium californicum F. W. Peirson 1919-11-30 2838 Los Angeles South base of San Gabriel Mnts., Middle Eaton Canyon. 610 Comment
  UCSB62419  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UC572684  Polypogon monspeliensis Nell Murbarger May, 1936 229 Los Angeles San Clemente Island; top of mesa Comment
  RSA0088588  Polypogon semiverticillatus R. G. Swinney 2010-9-13 13835 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
  CATA1359  Polypogon viridis Mark L. Hoefs, Robert F. Thorne 1995-7-26 2471 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below Eagle's Nest Lodge 134 Comment
  RSA799857  Polystichum imbricans Monica Rodriguez, Michelle Terrazino, Naomi Fraga 2013-7-23 4 Los Angeles Glendora Ridge Road 1288 Comment
  UCR194627  Polystichum imbricans R. G. Swinney 1998-8-30 6858 Los Angeles San Gabriel Mtns., south fork of Dry Lake Canyon, a western tributary of San Antonio Canyon 994 Comment
  CAS-BOT-BC72279  Polystichum imbricans subsp. curtum Jon Nickoloff 1973-3-1 730301 -10 Los Angeles 60' north of Mt. Wilson Trail on NE face, San Gabriel Mtns. 1036 Comment
  UC1595434  Polystichum imbricans subsp. curtum Tim Ross 1992-7-10 6682 Los Angeles Big Tujunga Creek between Coldwater and Wickiup Canyons; San Gabriel Mts 975 Comment
  CAS-BOT-BC6244  Polystichum munitum subsp. curtum Joseph Andorfer Ewan 1931-9-7 5159 Los Angeles Sawpit Canyon, San Bernardino Mts. 1280 Comment
  RSA448070  Populus alba G. R. Johnstone 1931-4-18 s.n. Los Angeles Elysian Park Comment
  UCR206482  Populus balsamifera subsp. trichocarpa A. C. Sanders, T. B. Salvato 2009-5-20 36862 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  RSA596505  Populus fremontii subsp. fremontii Louis C. Wheeler 1966-11-19 9137 Los Angeles San Gabriel Mountains. Dagger Flat vicinity, Pacoima Canyon. Comment
  RSA601918  Potamogeton foliosus L. C. Wheeler 1945-8-15 6089 Los Angeles El Monte: Lake Shangri-La. Comment
  SEINET3892555  Potamogeton foliosus var. foliosus Louis C. Wheeler 1950-9-23 6793 Los Angeles San Gabriel Mountains: Paloma Flat. Big Tujunga Canyon.; 0 561 Comment
  UCR216368  Potentilla glandulosa Dan S. Cooper 2010-6-6 610- 60 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Oak Canyon, Griffith Park 221 Comment
  CAS-BOT-BC157930  Prunus emarginata Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  LA208114  Prunus fasciculata J. Sauer; E. Hobbs 1979-5-6 6078 Los Angeles Antelope Valley, Fort Tejon Rd near Juniper Hills Comment
  RSA249768  Prunus fasciculata var. fasciculata Robert F. Thorne, C. W. Tilforth 1973-5-11 42984 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
  CAS-BOT-BC154933  Prunus ilicifolia Le Roy Abrams 1901-4-6 1380 Los Angeles Verdugo Hills - near B. Tujunga Wash Comment
  OBI2661  Prunus ilicifolia W. Holbrook 1967-4-23 2 Los Angeles 400 yds W of Rose Bowl, Pasadena 259 Comment
  RSA497992  Prunus ilicifolia Freda Detmers 1931-5-17 s.n. Los Angeles Hillside, Mint Canyon. Comment
  RSA713790  Prunus ilicifolia A. C. Sanders, Helen Kennedy 2005-4-13 29428 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA0072136  Prunus ilicifolia James W. Raymond s.n. Los Angeles Verdugo Hills. 762 Comment
  SBBG38730  Prunus ilicifolia subsp. lyonii M. B. Dunkle 1939-11-24 7343 Los Angeles Mosquito summit Comment
  UC625120  Prunus ilicifolia subsp. lyonii F. R. Fosberg 1931-4-2 S 4446 Los Angeles Santa Catalina Island, Hamilton Canyon just below road Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 350 Comment
  RSA187780  Prunus lyonii Robert F. Thorne 1966-4-29 36313 Los Angeles Santa Catalina Island. In canyon leading to N slope of Black Jack Mt. 366 Comment
  RSA86845  Prunus virginiana var. demissa F. W. Peirson 1921-7-17 2622 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains 2210 Comment
  RSA527763  Pseudognaphalium biolettii Steve Boyd, L. Arnseth 1990-4-8 4328 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA0115092  Pseudognaphalium californicum Steven A. Junak 2000-6-30 SCa- 1359 Los Angeles Santa Catalina Island. Just W of summit of Mt. Torquemada and Triangulation Point well 2. 402 Comment
  SBBG131704  Pseudognaphalium luteoalbum S. A. Junak 1999-9-10 SCa 1079 Los Angeles just S of Bulrush Cyn Trail, in upper reaches of cyn drainage 438 Comment
  SD69016  Pseudognaphalium luteoalbum Robert F. Thorne, D. Propst 1968-5-27 37640 Los Angeles Santa Catalina Island; Ben Weston Beach at mouth of Middle Ranch Canyon. Comment
  SFV21101  Pseudognaphalium luteoalbum L. Gross, W. Law 2000-8-8 246 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  RSA384629  Pseudotsuga macrocarpa L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  UC665710  Pseudotsuga macrocarpa Victor Duran 1933-7-27 3537 Los Angeles Little Rock Creek San Gabriel Mountains, Little Rock Creek 1676 Comment
  RSA0035029  Pseudotsuga macrocarpa Jack Pepper 1950-11-4 s.n. Los Angeles Charleton Flats. 1524 Comment
  LA94238  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-4-10 1857 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  RSA690874  Pteridium aquilinum var. pubescens Blanche Trask 1903-08 s.n. Los Angeles Avalon, Catalina Island. Comment
  UC586870  Pterospora andromedea Joseph Andorfer Ewan 1934-8-9 8413 Los Angeles Mount Williamson San Gabriel Mts. (near summit) 2438 Comment
  IRVC29578  Pterostegia drymarioides A. C. Sanders 2003-4-29 26184 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA574339  Pterostegia drymarioides R. G. Swinney 1994-5-7 2831 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  JEPS40266  Quercus George B. Grant Mar 1903 Los Angeles Sawpit Canyon Monrovia Comment
  UC993208  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  UC993209  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  NY248647  Quercus X grandidentata J. A. Ewan 1934-12-27 8487 Los Angeles 2 mi. above A.T. & S.F. tracks at mouth of sawpit Canyon (i.e. Monrovia C.), San Gabriel Mts. 228.6 Comment
  POM48579  Quercus X grandidentata George B. Grant 1904-6-14 s.n. Los Angeles Monrovia Comment
  RSA719929  Quercus X grandidentata R. G. Swinney 1997-9-27 5882 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam. 488 Comment
  SBBG95269  Quercus X macdonaldii M. B. Dunkle 1928-10-9 2003 Los Angeles Middle Ranch Cyn Comment
  UCR230265  Quercus berberidifolia Dan S. Cooper 2011-3-28 311- 21 Los Angeles Industry Hills, S of Temple Ave., La Puente 177 Comment
  RSA0081391  Quercus chrysolepis R. G. Swinney 2010-9-13 13812 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA522457  Quercus chrysolepis Tim S. Ross 1990-7-10 4047 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 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
  CATA1953  Quercus douglasii Martin A. Piehl 1962-10-3 62535 Los Angeles Santa Catalina Island: Bulrush Canyon, between the reservoirs 0 Comment
  SBBG59004  Quercus douglasii R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  CAS-BOT-BC86217  Quercus dumosa J. Ewan 1931-10-24 5259 b Los Angeles One mile above Malibu Lake on Seminole Hot Springs Rd. Santa Monica Mts. Comment
  UCSB28150  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 975 Comment
  RSA656313  Quercus durata var. gabrielensis Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 656 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 579 Comment
  RSA752453  Quercus durata var. gabrielensis Justin M. Wood 2009-4-22 520 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  RSA752690  Quercus durata var. gabrielensis Duncan S. Bell, Shawn Overstreet 2009-9-29 473 Los Angeles Webb Canyon, just north of the bridge along Webb Canyon Road. 428 Comment
  UCD57991  Quercus durata var. gabrielensis Louis C. Wheeler 1974-3-6 s.n. Los Angeles San Gabriel Mountains: Gold Bar mill site. Lynx Gulch. Comment
  UCSB34831  Quercus engelmannii Lloyd, Robert 1959-3-12 Los Angeles Near 1400 Rancho Road in Arcadia, Calif., Near foothills of the San Gabriel Mts. 171 Comment
  RSA778906  Quercus ilex R. G. Swinney 2009-6-27 11287 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge. 194 Comment
  UCR185578  Quercus lobata A. C. Sanders 2007-4-25 33571 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  CDA21991  Quercus pacifica J. M. Tucker 1992-4-1 s.n. Los Angeles Channel Islands; Santa Catalina Island; Above Cherry Valley Creek, roughly 1.5 miles northwest of the isthmus, 1/4 mile above road; elev. 300 ft Comment
  SD225830  Quercus pacifica John M. Tucker 1992-3-31 Los Angeles Santa Catalina Island, upper Middle Ranch Canyon below pump station, roughly 4 1/2 mi. west of Avalon. 256 Comment
  UCD81369  Quercus palmeri D. Charles Dailey 1973-12-31 1275 Los Angeles 0.94 mile south of Valyermo Road on Pallett Creek Road, ca. 1-1.25 mile west of Valyermo (Big Rock) Fire Station. Comment
  RSA488003  Quercus tomentella Mark Hoefs 1974-10-3 582 Los Angeles Santa Catalina Island, lower Cape Canyon just above buffalo corrals 305 Comment
  UCD47341  Quercus tomentella Robert F. Thorne 1966-4-5 35823 Los Angeles Santa Catalina Island: Cape Canyon. 274 Comment
  HSC35974  Quercus turbinella Thomas W. Nelson, James Nelson 1975-8-19 2172 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  LA205371  Quercus wislizeni Carl Epling; 1931-4-1 sn Los Angeles Tehachapi Mountains, Keene Station Comment
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Aug 4 2014
  POM48107  Quercus wislizeni var. frutescens I. M. Johnston 1924-8-13 s.n. Los Angeles Head of Every Canyon. 1372 Comment
  RSA719730  Quercus wislizeni var. frutescens R. G. Swinney 1996-8-7 5211 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  UCR271806  Rafinesquia californica R. G. Swinney 2010-5-7 12591 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
  CDA8525  Rafinesquia californica T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Highland Drive & Flintridge, near La Canada. 0 Comment
  RSA639227  Rafinesquia californica R. F. Thorne, M. Z. Thorne 1971-4-25 41335 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  UCR204553  Ranunculus cymbalaria R. G. Swinney 2005-8-5 8368 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  CAS-BOT-BC74278  Raphanus sativus Ernest Braunton 1902-5-10 357 Los Angeles Rivera. Comment
  RSA652694  Raphanus sativus Phillip Robinson 1991-5-12 365 Los Angeles Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd & Workman Mill Road. 1.2 miles east of Workman Mill Rd on trail into canyon. [City of Industry, sw of Rio Hondo College, east of 605 Fwy] Comment
  RSA19463  Rhamnus californica subsp. californica H. E. McMinn 1925-8-6 1554 Los Angeles Sawpit Dam, San Gabriel Mountains Comment
  LA200808  Rhamnus ilicifolia Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  LA52134  Rhamnus ilicifolia A. M. Johnson; 1928-2-16 2799 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA567259  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3870 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  RSA584140  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2978 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA586344  Rhamnus ilicifolia Orlando Mistretta 1995-3-17 1549 Los Angeles San Gabriel Mountains: slopes NW of Little Rock Reservoir. On Emma section of Little Rock creek Managment Unit. 1250 Comment
  RSA628705  Rhamnus ilicifolia R. S. Woglum 1942-5-20 3335 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. . Comment
  RSA756897  Rhamnus ilicifolia Orlando Mistretta, Christine Mistretta 2008-4-7 2351 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  UC1871230  Rhamnus ilicifolia T. S. Ross, W. Appleby 1993-5-20 7203 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  SEINET11244036  Rhamnus ilicifolia G. B. Grant 1115 Los Angeles Garvanza. Comment
  CAS-BOT-BC59780  Rhamnus pirifolia Geo. B. Grant 1906-9-1 7161 Los Angeles Catalina Is. Comment
  UC303597  Rhamnus pirifolia G. B. Grant 1900-1 Los Angeles Santa Catalina Island Comment
  RSA390142  Rhamnus tomentella subsp. cuspidata M. B. Dunkle 1933-6-17 3591 Los Angeles San Antonio River Canyon. 915 Comment
  UCR198511  Rhus aromatica Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  CAS-BOT-BC170442  Rhus integrifolia I. Johnston 1917-3-10 s.n. Los Angeles Cucamonga Wash, east of Upland 487 Comment
  RSA386475  Rhus integrifolia F. R. Fosberg 1931-3-18 S- 4286 Los Angeles Hamilton Canyon, Santa Catalina Island. 20 Comment
  SBBG19195  Rhus integrifolia M. A. Piehl 1963-12-8 631090 Los Angeles 0.25 mi from mouth of Cave Cyn 9 Comment
  UCR217438  Rhus integrifolia R. G. Swinney 2009-2-26 10038 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  CAS-BOT-BC167952  Rhus ovata C. F. B. 1903-4-2 4147 Los Angeles Hills near Monrovia Comment
  LA33877  Rhus ovata Henry J. Thompson; 1959-5-24 1995 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  UC1130579  Rhus ovata Jerome S. Horton 1935-7-18 226 Los Angeles Divide between e fork San Dimas and San Gabriel Canyons (1 mi w of 4350 Climate Staion 35) 1310 Comment
  UCR273129  Rhus ovata R. G. Swinney 2011-4-26 14523 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
  UC56270  Rhus trilobata Ernest Braunton 1902-6-1 487 Los Angeles Griffith Park Comment
  RSA592150  Rhus trilobata var. quinata L. C. Wheeler 1967-5-2 9278 Los Angeles San Gabriel Mountains. North side foothills ca. 0.3 mi. west of LA Aqueduct, just south of San Clarito Hospital. Baker Ranch on Los Angeles County firearms closure map. 396 Comment
  UC421651  Ribes amarum John Thomas Howell 1928-2-9 3332 Los Angeles Santa Anita Canyon San Gabriel Mts. Comment
  SEINET3245897  Ribes aureum T. B. Salvato, Sandra Murcia 2007-1 2009 Los Angeles San Gabriel Mountains: Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi S of the Elkins Avenue entrance gate. 640 Comment
  SFV18429  Ribes aureum C. Ferguson s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Along road into Walker Ranch. Comment
  UCR271720  Ribes californicum R. G. Swinney 2011-3-26 14211 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UC168763  Ribes californicum var. hesperium Geo. B. Grant 1906-2-21 1122 a6593 Los Angeles Santa Anita Canyon Comment
  CAS-BOT-BC108881  Ribes divaricatum var. parishii B. D. Stark 1934-5-27 5738 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Whittier Woodland Park. Comment
  CAS-BOT-BC6065  Ribes hesperium Alfred James McClatchie s.n. Los Angeles San Gabriel Mts, near Pasadena Comment
  RSA279117  Ribes indecorum R. F. Thorne 1971-3-18 41494 Los Angeles Cobal Canyon, 3 miles N of Claremont. 502 Comment
  RSA522325  Ribes indecorum Steve Boyd 1990-2-3 3819 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon Comment
  LA210741  Ribes indecorum Arthur C. Gibson; 2004-1-9 5220 Los Angeles SANTA MONICA MOUNTAINS, upper Stunt Road ca. 2 km from Saddle Peak Rd. Comment
  UC1871026  Ribes malvaceum T. S. Ross 1993-5-20 7191 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W, T3N, NE/4 SE/4 Sec. 9; ca 3110 ft. elevation 947 Comment
  RSA724675  Ribes malvaceum var. viridifolium K. Dobry 1992-4-14 d- 1140 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  SEINET3151817  Ribes nevadense G. B. Grant, W. Wheeler 1904-5-17 1125 /6241 Los Angeles Mt. Wilson, southern CA 1829 Comment
  RSA0056533  Ribes nevadense Orlando Mistretta 1992-5-16 15 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area, San Gabriel Mountains. Comment
  RSA476238  Ribes roezlii C. Epling 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  UCR272846  Ribes roezlii R. G. Swinney 2011-8-5 15611 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  LA50717  Ribes speciosum Carl Epling; 1925-2-10 6286 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCR107781  Ricinus communis Anna Christensen 1997-4-21 24 Los Angeles Claremont, Bernard BIological Field Station (Claremont Colleges) NW corner of Mills Avenue and Foothill Blvd., touching E fence, 170 yds into N panhandle region 412 Comment
  CAS-BOT-BC92171  Romneya coulteri var. coulteri S. B. Parish; W. F. Parish 1882-10-1 393 Los Angeles Santa Ana River. Comment
  SDSU1279  Rorippa nasturtium-aquaticum Gerald Collier 1951-5-5 M 195 Los Angeles Santa Anita Canyon, San Gabriel Mts. Comment
  RSA229035  Rosa californica Robert F. Thorne, C. W. Tilforth 1971-6-29 40715 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  UC1128584  Rosa californica A. D. Gifford 1934-4-23 146 Los Angeles 2 mi nw Castro Pk.; Triunfo Pass Quadrangle Comment
  UCD113834  Rosa californica M. Vincent 1963-5-22 357 Los Angeles Old Topanga Canyon Road, 1/4 mile W of New Topanga Canyon Road. Comment
  CAS-BOT-BC146958  Rosa woodsii var. gratissima H. M. Hall 1900-6-3 1513 Los Angeles West of Swarthout Canyon, 7 mi. E. of Rock Creek 1889 Comment
  CAS-BOT-BC148394  Rubus leucodermis Le Roy Abrams 1902-6-30 2584 Los Angeles Strains camp, Mt. Wilson Comment
  LA29322  Rubus parviflorus Mary V. Hood; 1943-6-25 Los Angeles Buckhorn Flats 1981 Comment
  POM1440  Rubus ursinus Charles W. Metz 1909-6-1 8 Los Angeles Claremont. Comment
  POM366447  Rubus ursinus Louis C. Wheeler 1932-3-12 484 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  RSA213340  Rubus ursinus Reid V. Moran 1941-3-7 685 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  CAS-BOT-BC421761  Rumex conglomeratus Henry J. Thompson 1959-5-24 1994 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). 0.7 miles north of Coast Highway, Tuna Canyon 91 Comment
  UCSB1591  Rumex conglomeratus Wedberg, H. 1958-7-15 Los Angeles Behind store at jct. New and Old Topanga Canyons, Santa Monica Mtns. Comment
  POM158280  Rumex crispus M. B. Dunkle 1928-4-29 1919 Los Angeles Little Harbor. 5 Comment
  UCR269585  Rumex crispus R. G. Swinney 2011-6-29 15372 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  LA33888  Rumex crispus Peter H. Raven; Henry J. Thompson 1959-5-5 14114 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  POM2341  Rumex crispus D. L. Crawford 1915-7-18 s.n. Los Angeles Glendora Foothills Comment
  RSA607621  Rupertia physodes L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  RSA177759  Ruppia maritima Robert F. Thorne, Percy C. Everett 1965-5-11 34640 Los Angeles Santa Catalina Island, Little Harbor. 2 Comment
  SEINET10869900  Salazaria mexicana David B. Dunn 1947-4-16 Dunn 2946 Los Angeles 3 mi e and 2 mi s of palmdale. Station 13, 1 mi sw of from jct of lp and cut Off. Comment
  UCR223258  Salix exigua R. G. Swinney 2009-5-20 10851 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  LA208683  Salix exigua var. hindsiana Willis H. Wheeler; 1930-3-8 sn Los Angeles San Gabriel Mountains, San Dimas Canyon, about 0.25 mi above the W fork 609 Comment
  UC1135106  Salix exigua var. hindsiana Jerome S. Horton 1935-7-18 211 Los Angeles above C.C.C. Camp Dalton Canyon; Pomona Quadrangle Comment
  UCR212826  Salix gooddingii Ellen Mackey, Bart O'Brien, Blake Whittington 2006-10-19 NFWF- 1808 Los Angeles San Gabriel Valley, San Gabriel River [channel, northeast of East Huntington Drive], Lario San Gabriel River Trail Park 180 Comment
  CAS-BOT-BC104138  Salix hindsiana G. B. Grant 1904-3-31 1492 Los Angeles Los Angeles Comment
  POM362612  Salix laevigata Blanche Trask 1901-03 s.n. Los Angeles Avalon, Catalina Island. Comment
  RSA117654  Salix laevigata Robert F. Thorne, Percy C. Everett 1965-5-10 34438 Los Angeles Cape Canyon, Santa Catalina Island. 274 Comment
  RSA187807  Salix laevigata Robert F. Thorne 1966-4-5 35812 Los Angeles Santa Catalina Island: Middle Ranch Canyon below Stage Station SW of Eagles Nest 76 Comment
  SBBG59057  Salix laevigata R. Hoffmann 1929-4-21 Los Angeles Harold Comment
  UCR187120  Salix laevigata A. C. Sanders 2006-4-10 31984 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
  LA208793  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-2-16 7656 Los Angeles Verdugo Canyon at Colina Drive [Area 3] Comment
  POM219773  Salix lasiolepis Carl. W. Sharsmith 1931-11-15 3 Los Angeles Foot of coastal headland near mouth of Topanga Canyon. 15 Comment
  RSA776518  Salix lasiolepis Jane Tirrell 2011-5-26 LS- 9 a Los Angeles Along north side of Highway 2 near mile marker 67.7. 2284 Comment
  UC1234783  Salix lasiolepis Peter H. Raven 1962-5-20 17801 Los Angeles about opposite ranch in Middle Canyon Bullrush Canyon; Santa Catalina Isl., Bullrush Canyon 213 Comment
  UC149285  Salix lasiolepis LeRoy Abrams 1902-3-6 3103 Los Angeles Centinela Creek Inglewood Comment
  UCR92063  Salix lasiolepis Scott D. White 1995-2-7 2528 Los Angeles Santa Susana Mtns,, Sunshine Canyon. Landfill expansion area, driectly west of I-5, just south of interchange with Hwy 14 457 Comment
  CAS-BOT-BC128523  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-2-14 10 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  LA34152  Salix lucida subsp. lasiandra Henry J. Thompson; 1959-5-31 2063 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, along Malibu Creek , Piuma Rd, 0.2 mi E of Tapia Park. 182 Comment
  SBBG58393  Saltugilia splendens R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  POM50158  Saltugilia splendens subsp. grantii L. R. Abrams 1901-07 1877 Los Angeles San Gabriel Mountains: West Fork of San Gabriel River. Comment
  UC52511  Saltugilia splendens subsp. grantii Ernest Braunton 1902-7-9 511 Los Angeles Hobart Comment
  UCR272632  Saltugilia splendens subsp. grantii R. G. Swinney 2011-9-22 15667 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA0095313  Saltugilia splendens subsp. splendens Richard G. Swinney 2011-6-6 14992 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA334178  Saltugilia splendens subsp. splendens R. F. Thorne, M. Z. Thorne 1969-7-9 38515 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Table Mt. 2133 Comment
  RSA305367  Salvia apiana D. C. Michener, J. Dourley, B. Haner, D. Pettys, M. Hoefs 1983-6-7 4302 Los Angeles Santa Catalina Island. Head of Swains Canyon [near Timms] beyond main road to airport. 427 Comment
  UCR175042  Salvia apiana Holly Summers 2006-6-4 56 Los Angeles San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon 701 Comment
  RSA0021396  Salvia apiana A. E. Hersh 1950-7-15 s.n. Los Angeles about 1/4 mile from west end of Topango [Topanga] Canyon. El. 30 Comment
  RSA442821  Salvia apiana William Emboden 1969-5-28 4 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442847  Salvia apiana William Emboden 1969-5-28 37 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  SEINET4567415  Salvia apiana S. Carlquist 1983-7-27 15804 Los Angeles Campus of Webb School, Claremont Comment
  SBBG71155  Salvia carduacea R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  UCD125472  Salvia carduacea Michael Alvord; Marc Blain, Mark Meyers 1993-5-1 36 Los Angeles City of Llano, Mojave Desert, 0.9 mile east on Black Butte Basin Road from the intersection of Black Butte Basin Road and Largo Vista Road. 243 Comment
  UCR260092  Salvia columbariae Mitch Provance, Callen Huff 2009-4-28 10708 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  RSA401465B  Salvia columbariae N. C. Cooper 1945-5-1 2241 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  CAS-BOT-BC214321  Salvia dorrii var. pilosa A. D. E. Elmer 1902-6-1 3696 Los Angeles Vincent Comment
  IRVC27775  Salvia leucophylla A. C. Sanders, T. B. Salvato 2005-4-26 29703 Los Angeles Santa Clarita area, Plum Cyn Rd, NW of Forest Park and S of Cruzan Mesa. Western San Gabriel/Liebre Mtns Region 595 Comment
  LA82017  Salvia leucophylla Henry J. Thompson; 1960-6-7 3072 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UC520120  Salvia leucophylla Carl Epling 1932-6-10 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  UCR155125  Salvia leucophylla A. C. Sanders 2005-5-5 29926 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  RSA133756  Salvia mellifera Peter H. Raven 1959-5-3 14096 Los Angeles Santa Monica Mountains: Franklin Canyon 0.1 mile south of Mulholland Drive. 351 Comment
  RSA434125  Salvia mellifera L. B. Ware 1971-5-16 102 Los Angeles Tuna Canyon (east side), Santa Monica mountains. 168 Comment
  RSA563493  Salvia mellifera Tim S. Ross, Walter Appleby 1993-5-13 7116 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
  UC519730  Salvia mellifera Joseph Andorfer Ewan 1932-5-10 7463 Los Angeles w rim Verdugo Canyon Comment
  LA200602  Salvia spathacea A. M. Johnson; 1934-5-4 4472 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  LA200606  Salvia spathacea Harlan Lewis; 1940-2-24 1070 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA5921  Sambucus mexicana C. B. Wolf 1932-7-6 3833 Los Angeles Van Nuys Blvd., 1/2 mile E of Pacoima Post Office 335 Comment
  UC1871097  Sambucus mexicana T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3873 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  HSC3970  Sambucus nigra subsp. caerulea David Porter 1965-5-14 Los Angeles Along Mulholland Hwy., 1 mi. W of Canyon Rd. 305 Comment
  UCSB9498  Sambucus nigra subsp. caerulea Haller, Norman 1953-3-29 Los Angeles Mulholland Dr. above Sepulveda Santa Monica Mts. 457 Comment
  UC57558  Samolus parviflorus J. H. Barber 1898-7-3 Los Angeles Los Angeles County, California Los Angeles County; , California Comment
  JEPS195  Sanicula arguta Frank W. Peirson 1919-3-27 336 Los Angeles Lukens Peak Trail San Gabriel Mountains (foot) 579 Comment
  SD28055  Sanicula arguta Carl B. Wolf 1932-5-11 Los Angeles Santa Catalina Island, west side of fourth of July Cove 29 Comment
  RSA470984  Sanicula arguta Reid V. Moran 1941-3-7 685 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  RSA470994  Sanicula arguta Ella M. Kennedy 1923-02 s.n. Los Angeles South Pasadena, Hillside Comment
  POM3422  Sanicula bipinnata L. R. Abrams 1901-4-3 1301 Los Angeles Los Angeles River, San Fernando Valley Comment
  RSA590481  Sanicula crassicaulis T. S. Ross, Walter Appleby 1993-5-20 7199 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  RSA592771  Sanicula tuberosa Steve Boyd, Michael Wall 1996-4-4 8542 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17;, ca 0.4 road miles south of jtn with 5N30, south of Red Mountain. Near 34 deg 33.120'N, 118 deg 31.541'W. T5N R16W sec. 2. 701 Comment
  RSA425045  Sarcodes sanguinea D. Charlton 1986-6-15 272 Los Angeles between Blue Ridge Campground (1.5 miles directly SSE of Big Pine) and the reservoir at the top of Chisolm ski run along the reservoir maintenance road. 0.7 miles S of Angeles Crest Hwy on forest RD. 3N06 2439 Comment
  UCR65188  Satureja douglasii F. R. Fosberg 1931-4-28 S- 04702 Los Angeles Channel Islands, Santa Catalina Island, Eagle's Nest, Middle Ranch Canyon 180 Comment
  POM183635  Satureja douglasii Joseph A. Ewan 1929-6-22 s.n. Los Angeles Santa Monica Mtns: Rodgers Canyon. Comment
  RSA445299  Satureja mimuloides H. E. Hasse 1895-07 s.n. Los Angeles Acton. Comment
  UCR101179  Satureja mimuloides L. C. Wheeler 1965-6-5 8698 Los Angeles San Gabriel Mtns., c. 1 mi. upstream from Mill Creek, opposite turn-off to Upper Big Tujunga to Camp Colby. Comment
  SBBG131664  Schismus arabicus S. A. Junak 1999-5-20 SCa 959 Los Angeles base of paved rd leading to top of Black Jack Peak, on SW side of peak 530 Comment
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Jul 28 2016
  CDA2416  Schismus barbatus L. C. Wheeler 1973-4-8 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Little Tujunga Canyon. Comment
  RSA592349  Schismus barbatus L. C. Wheeler 1967-5-12 9425 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR258832  Schismus barbatus R. G. Swinney 2010-4-23 12340 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA0115848  Schismus barbatus Steven A. Junak 1999-4-24 SCa- 859 Los Angeles Santa Catalina Island. Plant stop, main road. 445 Comment
  UCR126840  Schoenoplectus acutus var. occidentalis A. C. Sanders, Mark A. Elvin 2002-8-26 25582 B Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  SEINET7591432 Image available Schoenoplectus americanus Steve Boyd, Lauren Raz 1996-9-24 8959 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluival valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  RSA127824  Schoenoplectus californicus Peter H. Raven, H. J. Thompson 1959-9-6 s.n. Los Angeles Santa Monica Mountains: Malibu Creek., 34 deg N, 118 deg -119 deg W. 6 Comment
  SBBG121992  Schoenoplectus saximontanus A. Parikh, N. Gale 2003-6-16 760 Los Angeles central part of Cruzan Mesa, 2.7 km W of Sierra Hwy, 0.9 km SW of Vasquez Cyn Rd 655 Comment
  UCR206502  Scirpus maritimus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36963 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA729228  Scirpus microcarpus R. G. Swinney 1998-7-10 6412 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with riparian forest of Alnus rhombifolia, surrounded by montane coniferous forest and chaparral. 1585 Comment
  LA82041  Scrophularia californica subsp. californica O. H. Kappler; 1943-4-28 377 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Lower end Sepulveda Canyon. Comment
  RSA654419  Scrophularia californica subsp. floribunda Matt Brooks 1988-5-1 26 Los Angeles Whittier, along the fire road at the bottom of Turnbull Canyon 0.2 miles south of its intersection with the Skyline Equestrian trail. Comment
  RSA25629  Scrophularia villosa Carl B. Wolf 1941-6-25 10895 Los Angeles Santa Catalina [Island]. Head of Avalon Canyon, 300 yards SW of Wrigley Mausoleum. 152 Comment
  SBBG130996  Scrophularia villosa S. A. Junak 1999-5-6 SCa 888 Los Angeles Parsons Landing, at W end of beach, just inland from crk mouth, at first fork in cyn 24 Comment
  SD66844  Scrophularia villosa R. Mitchell Beauchamp 1967-6-3 562 Los Angeles north side of canyon, south of Thirst, San Clemente Island Comment
  UC1349356  Scrophularia villosa Robert F. Thorne 1966-4-5 35797 Los Angeles sw of and near Empire Landing; Santa Catalina Isl 152 Comment
  UC1409082  Scrophularia villosa Robert F. Thorne and Doug Propst 1973-2-12 42484 Los Angeles e Isthmus (above Banning House, Ironwood Gully); Santaa Catalina Isl 182 Comment
  UC887495  Scrophularia villosa F. R. Fosberg 1931-4-8 S 4520 Los Angeles Avalon Valley; Santa Catalina Isl 60 Comment
  LA30220  Scutellaria mexicana Harlan Lewis; H. L. Wedberg 1957-4-13 sn Los Angeles Pearblossom Comment
  UCR255765  Scutellaria mexicana R. G. Swinney 2010-5-12 12709 Los Angeles San Gabriel Mountains/Mojave Desert, 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
  RSA165716  Scutellaria siphocampyloides Lawrence T. McHargue, B. Miller 1963-7-6 s.n. Los Angeles Atmore Meadow, Liebre Mtn. 1372 Comment
  UCD125683  Scutellaria siphocampyloides Cameron Blake; Jane Turner, Francis M. Ball 1962-6-2 954 Los Angeles Mill Creek Picnic Ground on Angeles Crest Highway. North of La Canada. 1097 Comment
  RSA0063082  Sedum album R. E. Riefner 2006-7-18 06 -305 Los Angeles City of Pasadena, San Rafael Hills, vicinity of Wierfield Dr. at Glen Oaks Bld. 389 Comment
  UCR194033  Sedum spathulifolium R. G. Swinney 1998-7-28 6522 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  LA94000  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1687 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 0.75 mi W of Triunfo Canyon Rd, bluff just N of Lobo Creek. 304 Comment
  RSA609978  Selaginella bigelovii Louis Cutter Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: East Fork San Gabriel Canyon, ca. 1/4 mile upstream from Alder Gulch. 1158 Comment
  UC306799  Selaginella bigelovii T. S. Brandegee 1896-8-25 Los Angeles San Clemente Isl. Comment
  SEINET4065922  Selaginella bigelovii G. B. Grant, W. Wheeler 1904-1 1191 Los Angeles Collected on Santa Catalina Island in the Pacific Ocean off southern California. Comment
  UC35948  Senecio californicus H. P. Chandler 1897-2-10 Los Angeles Claremont Comment
  OBI34020  Senecio douglasii var. douglasii Mark Schneider 1973-9-26 s.n. Los Angeles Tujunga Wash. Wentworth St. 100 yds W of Wheatland. Left hand side 457 Comment
  CAS-BOT-BC333114  Senecio flaccidus var. douglasii Le Roy Abrams 1902-7-3 2646 Los Angeles Little Santa Anita Canyon Comment
  RSA653842  Senecio vulgaris Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 768 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 518 Comment
  PASA956  Senecio vulgaris Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  RSA0040261  Senecio vulgaris Anstruther Davidson 1906-6-1 1606 Los Angeles Gadean [or Nadeau] Comment
  RSA0116906  Setaria viridis Lyman Benson 1946-10-14 12199 Los Angeles Claremont. 350 Comment
  SBBG131810  Silene antirrhina S. A. Junak, B. Collins 1991-4-25 SCI 210 Los Angeles Middle Ranch Cyn 457 Comment
  POM502080  Silene gallica L. R. Abrams 1899-03 225 Los Angeles Inglewood. Comment
  CAS-BOT-BC174911  Silene laciniata L. R. A. 1901-6-6 1691 Los Angeles Los [Tunas Canon] Tuna Canyon, S. Monica Mts. Comment
  UCD98925  Silene laciniata Earl Brown; Tracy Brown 1993-4-18 s.n. Los Angeles Santa Monica Mountains, Will Rogers State Park, aobut 1.1 miles from the beginning of Loop Trail to Inspiration Point and 5' off of the trail. 213 Comment
  LA94365  Silene laciniata subsp. laciniata W. O. Griesel; 1936-6-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SBBG71641  Silene laciniata subsp. laciniata M. N. Ackley -May-1922 73 Los Angeles Burbank Hills 274 Comment
  SFV13219  Silene verecunda W. M. Perry 1980-8-29 114 Los Angeles San Gabriel Mountains Pine Mountain. Comment
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Sep 12 2014
  RSA649644  Sisymbrium altissimum Michael Horn 1991-5-7 32 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
  SD143969  Sisymbrium irio Scott D. White 1997-3-12 4757 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach 10 Comment
  SD51921  Sisymbrium irio Peter H. Raven 1962-4-9 17140 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  CHSC98738  Sisymbrium orientale LeRoy Gross 2001-3-31 375 Los Angeles Los Angeles Basin: Verdugo Mountains Region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road. The road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 548 Comment
  RSA0022951  Sisymbrium orientale Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5124 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0080646  Sisymbrium orientale R. G. Swinney 2010-5-29 13021 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA662619  Sisymbrium orientale Paul Neipp 1994-4-28 17 Los Angeles Directly west of San Dimas Ranger Station on San Dimas Canyon Road. Comment
  SEINET4044596  Sisyrinchium bellum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Pt. Mugu State Park. 76 Comment
  CDA39478  Sisyrinchium rosulatum A. C. Sanders, D. Malueg 2001-5-17 24313 Los Angeles Los Angeles Basin; Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. Comment
  SEINET10898365  Solandra guttata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4843 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  HSC12481  Solanum douglasii Wendell Wood 1970-6-17 1 Los Angeles Chevy Chase and Linda Vista Rd., Glendale 366 Comment
  SBBG96671  Solanum douglasii S. Boyd with T. Ross, L. Arnseth 1990-4-7 4259 Los Angeles lower half of China Cyn Comment
  UCR97782  Solanum douglasii Scott D. White 1997-3-12 4746 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA422425  Solanum douglasii Elbert Benjamine 1929-4-21 249 Los Angeles Los Angeles. Comment
  POM11210  Solanum umbelliferum Philip A. Munz 1921-6-18 4601 Los Angeles San Antonio Mountains: Swartout Valley 2287 Comment
  RSA658835  Solanum umbelliferum J. S. Burns 1992-5-11 20 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest 762 Comment
  RSA427440  Solanum umbelliferum Bonnie C. Templeton 1932-5-31 4859 Los Angeles Blue Ridge Mt., Big Pines Park 2330 Comment
  LA32370  Solanum xanti Peter H. Raven; 1959-2-23 13801 Los Angeles Santa Monica Mountains, Decker Road, 1.0 mi N of junction with Mulholland Hwy 502 Comment
  NY820357  Solanum xanti L. Abrams 1908-7-2 597 Los Angeles Rock Creek, San Gabriel Mountains 1524 Comment
  SBBG70661  Solanum xanti R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  SD143695  Solanum xanti Scott D. White 1997-5-22 5217 Los Angeles San Gabriel River Wash; Azusa; alluvial fan E and W of levee; between Foothill Blvd. crossing and San Gabr. Valley Gun Club. 182 Comment
  POM4615  Solidago confinis J. F. Illingworth 1898-05 s.n. Los Angeles Claremont. 366 Comment
  UCR182709  Solidago confinis R. G. Swinney 1997-7-16 5662 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  RSA0110535  Sonchus asper R. G. Swinney 2010-6-1 13135 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
  UCR219557  Sonchus oleraceus R. G. Swinney 2009-3-28 10212 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  POM19130  Sonchus oleraceus P. A. Munz 1923-4-9 6680 Los Angeles San Clemente Island. Canyon 3 miles southeast of Casa Blanca. Comment
  RSA652723  Spartium junceum Diane T. Liggett 1981-5-29 22 Los Angeles Glendora Mtn. Road, 40 km east of Los Angeles before exit to San Dimas Experimental Forest. Comment
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Aug 28 2014
  RSA660760  Spartium junceum J. Doughty 1985-5-19 192 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  SFV16051  Spartium junceum P. W. Byrne, H. Levin 1994-4-23 18 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  UCD108502  Spartium junceum Gordon Pilone 1961-4-1 145 Los Angeles San Antonio Canyon, north of dam on new road. San Gabriel Mt. Range. 731 Comment
  SBBG51677  Spergularia bocconi M. R. Benedict 1971-6-26 Los Angeles between buildings, Navy headquarters Wilson Cove Comment
  UCR270971  Spergularia bocconi R. G. Swinney 2011-4-28 14554 Los Angeles San Gabriel Mountains, north of Glendora, 0.5 miles south of the ridge immediately south of Persinger Cyn. on east side of Glendora Mountain Rd 927 Comment
  CAS-BOT-BC390332  Spergularia macrotheca var. macrotheca Geo. B. Grant 1902-8-6 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  CAS-BOT-BC344983  Stachys albens Duncan S. Bell; Caitlin Elam; Evan Meyer 2013-6-13 5150 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just S of the mouth of Iron Fork 899 Comment
  LA30871  Stachys albens Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 152 Los Angeles 9 Comment
  UCR128019  Stachys albens Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2989 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  RSA0037252  Stachys albens Sandy Leatherman, Jennifer S. Pareti 2013-5-28 2013 -7 Los Angeles Transverse Ranges; Santa Monica Mountains region; 0.3 miles west of the intersection of Agoura Road and Kanan Road. 258 Comment
  CSUSB1068  Stachys bullata Sally Crum 1966-4-16 Los Angeles San Gabriel Mountains San Gabriel Mountains; In deeply shaded ravine at southern end of San Lorenzo Nursery boundary road in Cloverleaf Canyon. 1066 Comment
  RSA446640  Stachys bullata Gale Sphon 1955-5-12 s.n. Los Angeles Mulholland Drive. On fire road opposite Sepulvada fire road. Comment
  SEINET3153402  Stachys californica L. Abrams 1902-6-16 2548 Los Angeles Sepulveda canyon, Santa Monica Mts. Comment
  CATA2017  Stebbinsoseris heterocarpa Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 Los Angeles Santa Catalina Island: Little Ripper's Canyon, just inland from beach 36 Comment
  SD234319  Stebbinsoseris heterocarpa A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26116 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, N 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. (Warm Springs Mtn 7.5' Q) 487 Comment
  UCR64456  Stellaria graminea L. C. Wheeler 1932-5-30 00795 Los Angeles City of Los Angeles, 2 mi. NE of La Verne. 381 Comment
  SDSU4480  Stellaria media A. H. Gallup 1949-2-21 317 Los Angeles Lasca. 152 Comment
  RSA545254  Stellaria media D. Propst, Mark Hoefs 1973-3-3 49 Los Angeles Santa Catalina Island: Cottonwood Canyon 183 Comment
  CAS-BOT-BC375069  Stephanomeria Cecil Hart 1921-7-1 16 Los Angeles Howard & Smith's nursery, Montebello Comment
  UCD136246  Stephanomeria diegensis L. D. Gottlieb 1969-9-25 6946 Los Angeles 1-1.5 miles north of Route N1, Malibu Beach, on Route 1. Comment
  RSA589055  Stephanomeria exigua subsp. coronaria Orlando Mistretta 1994-6-6 1316 Los Angeles San Gabriel Mountains, Little Rock Creek: Slopes on E side of canyon S of junction of Forest Service roads 4N15 and 5N04.3. 1280 Comment
  CAS-BOT-BC322846  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley, Mojave Desert 731 Comment
  RSA0081372  Stephanomeria virgata R. G. Swinney 2010-9-9 13787 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CATA1397  Stephanomeria virgata subsp. virgata Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2539 Los Angeles Santa Catalina Island: Road past radio station to Salta Verde 493 Comment
  OBI29185  Stipa hymenoides David J. Keil 1976-12-12 11901 Los Angeles 5 mi W of San Bernardino Co line along Calif Rte 138 Comment
  UCR155657  Stipa speciosa A. C. Sanders, T. B. Salvato 2005-4-26 29687 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  CAS-BOT-BC376006  Stylocline gnaphaloides Geo. B. Grant 1906-5-24 6656 Los Angeles Arrowhead Hot Springs Comment
  RSA757337  Stylocline gnaphaloides Orlando Mistretta, Christine Mistretta 2008-4-8 2379 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road 959 Comment
  RSA589206  Stylocline psilocarphoides Timothy S. Ross 1991-4-28 4747 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 927 Comment
  POM11843  Suaeda calceoliformis Joseph Cook Nevin 727 Los Angeles Green meadows near Los Angeles Comment
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Jul 31 2013
  RSA155925  Suaeda californica P. H. Raven 1962-7-12 18040 Los Angeles Just west of North Head, San Clemente Island 6 Comment
  SBBG13481  Suaeda taxifolia E. R. Blakley 1962-6-10 5249 Los Angeles large beach dunes near Triangulation Pt "Wall 2" 6 Comment
  CLARK-A1528-5646  Symphoricarpos vaccinioides John C. Roos 1937-5-31 2046 Los Angeles San Gabriel Mountains Comment
  CAS-BOT-BC97619  Symphyotrichum defoliatum Geo. B. Grant 1904-7-8 s.n. Los Angeles Cienaga Comment
  CAS-BOT-BC97995  Symphyotrichum hesperium I. M. Johnston 1917-7-4 1427 Los Angeles Camp Baldy, San Antonio [Canon] Canyon 1280 Comment
  SD230181  Syntrichopappus fremontii Louis C. Wheeler 1968-5-27 Los Angeles San Gabriel mountains: Alimony Ridge. 1493 Comment
  RSA252872  Syntrichopappus lemmonii R. F. Thorne 1973-5-11 43521 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  CATA3501  Syzygium australe Julia Parish, Peter Dixon 2017-8-22 031 Los Angeles Santa Catalina Island: Interior; Black Jack Campground, near bbq southwest of the bathrooms 457 Comment
  CATA2224  Tamarix parviflora Sara L. Crockett 1997-3-14 92 Los Angeles Santa Catalina Island: Hillside adjacent to small park at junction of Avalon Canyon Road and 5-way intersection, SW of steps leading to Country Club Drive 36