Search Results — 2000 specimen records retrieved (1563 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
  CATA907  Abronia maritima Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1747 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  RSA585366  Abronia pogonantha Tim S. Ross 1991-4-27 4960 Los Angeles Mojave Desert: ca 0.85 mi W of Three Sisters and 1.2 mi S of Black Butte. Bladed road heading N from Black Butte Basin Road x Avenue 'U' [not on 1968 topo], running northward to the W of BBB Rd for about 1.2 miles, then rejoining it NW of Three Sisters. 944 Comment
  SBBG31518  Abronia umbellata R. M. Beauchamp 1987-3-19 319 Los Angeles S of air strip at Sherman Field Comment
  RSA708764  Acacia baileyana Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1146 Los Angeles McDonald Creek. 381 Comment
  CAS-BOT-BC30944  Acamptopappus sphaerocephalus Adolph Daniel Edward Elmer 1902-6-1 3621 Los Angeles Lancaster Comment
  RSA249796  Acamptopappus sphaerocephalus var. hirtellus R. F. Thorne 1973-5-11 43495 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  JEPS22758  Acanthoscyphus parishii var. parishii Rimo Bacigalupi with Reino Alava 1958-7-20 6412 Los Angeles on Angeles Crest Hwy between Mt. Islip and Mt. Williamson; San Gabriel Mountains, Islip Saddle 2118 Comment
  CAS-BOT-BC331573  Acer macrophyllum Antone Blazic 1923-4-7 30 Los Angeles Los Angeles Comment
  SFV20850  Acer negundo L. Gross, A. E. Gutman, S. Gutman 2000-9-8 267 Los Angeles San Fernando Valley Tujunga Ponds. 335 Comment
  POM5995  Achillea millefolium I. M. Johnston 1918-6-23 s.n. Los Angeles Spring Hill, San Antonio Canyon. 1310 Comment
  SBBG95190  Achillea millefolium M. B. Dunkle 1928-3-17 1754 Los Angeles isthmus 152 Comment
  UCSB11731  Achnatherum hymenoides Bushnell, Bill 1962-5-4 Los Angeles 3.2 mi W of Littlerock on CA Hwy 138. 1036 Comment
  RSA549506  Achnatherum parishii Timothy S. Ross, Steve Boyd 1990-6-18 3840 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA228869  Achnatherum speciosum R. F. Thorne 1971-6-26 40631 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  SBBG57068  Achnatherum speciosum R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  SBBG12140  Achyrachaena mollis P. H. Raven 1962-5-9 17663 Los Angeles near head of cyn at S end of Mosquito Cove 320 Comment
  SD52907  Acmispon argophyllus var. argenteus Peter H. Raven 1962-4-11 17281 Los Angeles San Clemente Island, due west of Wall 2; on sandy beach 9 Comment
  SD90317  Acmispon dendroideus var. dendroideus Robert F. Thorne 1970-3-5 39374 Los Angeles Santa Catalina Island, upper Avalon Canyon in coastal sage scrub Comment
  CHSC34415  Acmispon grandiflorus var. grandiflorus John Sully 1972-4-22 9 Los Angeles 5 mi. N of Malibu in Las Flores Rd. in Cold Creek Cyn. in Santa Monica Mtns. 609 Comment
  SEINET3245643  Acmispon maritimus R. G. Swinney 2008-1 8573 Los Angeles San Gabiel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn (Glendora 7.5') 354 Comment
  UCSB45214  Acmispon maritimus Batson, J. 1979-3-10 Los Angeles Near Highway 23, 1 miles north of its junction with Highway 1 near Malibu 152 Comment
  RSA0069364  Acmispon maritimus var. brevivexillus Dean W. Taylor 2003-3-26 18478 Los Angeles Vincent, ca. 1.5 air mile NW of Vincent electrical substation (along steel-tower electrical transmission line corridor); Soledad Pass vicinity. 1066 Comment
  LA52420  Acmispon maritimus var. maritimus Elizabeth McClintock; 1936-4-18 sn Los Angeles Santa Monica Mountains, at mouth of Malibu Creek Comment
  CATA669  Acmispon micranthus Mark L. Hoefs 1991-4-23 1158 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  SBBG78354  Acmispon micranthus F. R. Fosberg 1932-5-7 8163 Los Angeles summit of Coach Rd [Stagecoach Rd] 250 Comment
  SD69606  Acmispon micranthus Robert F. Thorne, P. Everett 1965-5-10 34522 Los Angeles Santa Catalina Island, near upper end of Gallagher Canyon, sparsely grassy sunny clay slopes 427 Comment
  CATA1707  Acmispon strigosus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3027 Los Angeles Santa Catalina Island: Lower Fern Canyon 195 Comment
  SBBG126967  Acmispon strigosus A. Parikh, N. Gale 2011-6-27 3508 Los Angeles upper Big Tujunga Cyn, just E of Shortcut Station, 0.6 km N of St Hwy 2; San Gabriel Mtns 1283 Comment
  SBBG91838  Acmispon strigosus S. A. Junak 1978-4-15 SCa 22 Los Angeles N side of Cherry Valley, on slopes above Boy Scout Camp 30 Comment
  LA35984  Acourtia microcephala Peter H. Raven; 1960-5-15 15376 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  RSA669526  Acroptilon repens LeRoy Gross 2002-8-24 667 Los Angeles At junction of Hwy. 14 & Ave. H, Northwest area of Lancaster. 701 Comment
  SD230162  Acroptilon repens Louis C. Wheeler 1973-6-14 Los Angeles California State University, Long Beach. Fallow field of several acres at NE corner of campus. Comment
  CAS-BOT-BC133187  Adenostoma fasciculatum E. R. Blakley 1961-9-23 4756 Los Angeles At east end of Isthmus Harbor, Santa Catalina Island 30 Comment
  RSA710275  Adenostoma fasciculatum A. C. Sanders, Mark A. Elvin 2003-8-7 27152 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  LA82109  Adenostoma sparsifolium O. H. Kappler; 1940-7-21 69 Los Angeles 548 Comment
  POM881  Adiantum capillus-veneris L. R. Abrams 1901-7-1 1878 Los Angeles West fork of San Gabriel River. Comment
  RSA0021702  Adiantum capillus-veneris Duncan S. Bell, Caitlin Elam 2013-6-24 5267 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA244390  Adiantum capillus-veneris Robin S. Collins 1973-4-30 241 Los Angeles Angeles National Forest, San Gabriel Mountains, Trail Canyon, near light duty road which leads to beginning of pack trail. 610 Comment
  CAS-BOT-BC65637  Adiantum jordanii Geo. B. Grant 1904-4-20 s.n. Los Angeles Catalina Island Comment
  JEPS35155  Adiantum jordanii I. W. Clokey and E. G. Anderson 1935-5-9 6505 Los Angeles San Dimas Canyon Comment
  SFV12383  Ageratina adenophora D. L. Koutnik 1978-4-21 395 Los Angeles San Rafael Hills Scholl Canyon, north of the Eagle Rock. Along stream bank. 305 Comment
  UCR219455  Ageratina adenophora R. G. Swinney 2009-3-28 10191 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  CDA6743  Ageratina adenophora T. C. Fuller 1961-5-8 6294 Los Angeles Griffith Park, Los Angeles, east of Greek Theatre. 0 Comment
  RSA547444  Ageratina adenophora T. S. Ross 1992-5-17 6375 Los Angeles San Gabriel Mountains 647 Comment
  UC534833  Agnorhiza ovata Victor Duran 1933-7-9 3508 Los Angeles Horse Flats San Gabriel Mts. 1676 Comment
  SEINET2028626 Image available Agoseris heterophylla Marcus E. Jones, A. M. 1882-5-3 3222 Los Angeles Pasadena Comment
  POM308948  Agoseris retrorsa Kay H. Beach 1942-5-28 625 Los Angeles San Dimas Experimental forest, U. S. Forest Dept. 500 feet above flume no. 3 Comment
  RSA416419  Agoseris retrorsa B. C. Templeton 1932-5-31 4856 Los Angeles West Blue Ridge, Big Pines Camp 2194 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
  CAS-BOT-BC139055  Agrostis pallens Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Near Soldiers Home. Comment
  CAS-BOT-BC47985  Ailanthus altissima Timothy S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: on the NW side of Indian Hill Mesa (i.e., The Back 40). Ontario USGS 7.5' Quad; 417 Comment
  RSA608330  Alisma triviale L. C. Wheeler 1951-8-20 6836 Los Angeles Pasadena: Devils Gate Dam. Comment
  RSA353526  Alisma triviale Anstruther Davidson 1913-08 2915 Los Angeles Dominguez Ranch. Comment
Read comments
Nov 12 2009
  LA200894  Allium haematochiton Norman A. Cole; May 1964 376 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  LA201625  Allium haematochiton Arthur C. Gibson; 2001-4-20 4285 Los Angeles SANTA MONICA MOUNTAINS, Mountclef Ridge, Wildwood Regional Park, Thousand Oaks, Santa Rosa Trail. Comment
  UCR200194  Allium haematochiton Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 904 Los Angeles Verdugo Mountains, northwest side, northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of and above 210 Fwy and west of fire road, west-northwest of water tank 457 Comment
  RSA584444  Allium monticola R. G. Swinney 1992-7-10 1853 Los Angeles Boundary between Los Angeles and San Bernardino counties. San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  RSA0000111  Allium monticola Robert Kessler 1921-6-1 1924 Los Angeles Mt. Markham. Comment
  RSA592009  Allium praecox Mark Haefs, D. Propst 1973-5-4 245 Los Angeles Santa Catalina Island. Road above Little Fisherman s Cove. 168 Comment
  SDSU11540  Allium praecox R. M. Beauchamp 1967-3-19 307 Los Angeles San Clemente Island Growing on east rim of canyon south of Wilson Cove Pier. Comment
  UC1605447  Allium praecox Tim Ross, Steve Boyd 1993-5-23 7273 Los Angeles 270-340 m sw of Plum Spring (northerly draw draining from saddle betw Red Mtn's long E ridge and small notched peak to upper Clearwater Canyon, Liebre Mountains, nw LA Co.); Liebre Mountains 816 Comment
  RSA191135  Allophyllum divaricatum R. F. Thorne, M. Z. Thorne 1967-6-25 37089 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA410056  Allophyllum divaricatum Albert J. Perkins 1920-2-16 s.n. Los Angeles Glendora, Little Dalton Trail Comment
  RSA28232  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  RSA495619  Allophyllum gilioides subsp. gilioides S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 342 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  RSA641298  Allophyllum integrifolium Orlando Mistretta, R. T. Hawke 1995-6-29 1860 Los Angeles San Gabriel Mountains: Lightening Ridge Trail, Blue Ridge. Comment
  SD260214  Alnus rhombifolia R. G. Swinney 2011-10-27 15911 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 648 Comment
  UCR48961  Aloe saponaria A. C. Sanders 1987-7-22 7182 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CAS-BOT-BC138030  Alopecurus carolinianus Le Roy Abrams 1901-4-10 1455 Los Angeles Inglewood. Comment
  UCR108328  Alternanthera philoxeroides L. C. Wheeler 1946-8-9 6222 Los Angeles Los Angeles Basin region; San Gabriel Valley, Rio Hondo at San Gabriel Boulevard 59 Comment
  UCR9209  Alternanthera philoxeroides D. H. Wilken 1965-11-3 595 Los Angeles San Gabriel Valley, Rio Hondo River, in the Whittier Narrows 61 Comment
  UCD97220  Amaranthus caudatus Mrs. Vail 1974-12-3 - 1034 Los Angeles Volunteer; Mobile Manor (4241 Live Oak St.), Arcadia. Comment
  LA210783  Amaranthus deflexus F. H. Lewis; 1939-9-24 1007 Los Angeles West Los Angeles Comment
  RSA534151  Amblyopappus pusillus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5054 Los Angeles San Clemente Island, disturbed flats 650ft SE of the air terminal. 64 Comment
  SBBG31330  Ambrosia chamissonis R. F. Thorne with P. C. Everett 1965-6-23 34950 Los Angeles behind N beach at Little Harbor Comment
  SD107877  Ambrosia chamissonis Mark Hoefs 1973-4-15 183 Los Angeles Santa Catalina Island, Ben Weston Beach on dunes 7 Comment
  SD92030  Ambrosia chamissonis Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-25 22705 Los Angeles San Clemente Island, sandy flat northwest end 4 Comment
  UC1118427  Ambrosia chamissonis A. D. Gifford 1934-5-15 233 Los Angeles mouth Escondido Canyon; Triunfo Pass Quad., Escondido Canyon 30 Comment
  UC57583  Ambrosia chamissonis J. H. Barber 1898-7-27 Los Angeles Santa Monica Forestry Station Comment
  SD85099  Ambrosia chamissonis Martin A. Piehl 1963-12-8 63114 Los Angeles San Clemente Island, West Cove on active dunes along west end of airfield 17 Comment
  CATA404  Ambrosia psilostachya Mark L. Hoefs, A. Douglas Propst & Robert F. Thorne 1974-9-12 531 Los Angeles Santa Catalina Island: Cottonwood Stream, above bridge at main road 22 Comment
  JEPS30667  Ambrosia psilostachya Peter H. Raven and Henry J. Thompson 1959-9-18 14430 Los Angeles west, Santa Monica Boulevard near Beverly Glen Boulevard Los Angeles; Santa Monica Mountains 76 Comment
  RSA6000  Ambrosia psilostachya C. B. Wolf 1932-10-5 4241 Los Angeles Santa Catalina Island. In ravine at junction of Isthmus road and road to Black Jack Peak. 244 Comment
  UCR210528  Ambrosia psilostachya R. G. Swinney 2008-12-4 9948 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  RSA5882  Ambrosia psilostachya C. B. Wolf 1932-9-16 4100 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  RSA86818A  Amelanchier utahensis F. W. Peirson 1919-6-14 471 -A Los Angeles Rock Creek Divide, north side of San Gabriel Mountains. 2012 Comment
  RSA77793  Ammannia coccinea F. W. Peirson 1918-08 2079 Los Angeles Long Beach Comment
  SBBG95215  Amsinckia intermedia M. B. Dunkle 1928-3-31 1796 Los Angeles Cottonwood Cyn Comment
  SEINET4070712  Amsinckia intermedia R. Moran 1941-1 569 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  UCR240985  Amsinckia intermedia Dan S. Cooper 2010-3-8 20100308- 34 C Los Angeles South Coast; Los Angeles Basin, between Los Angeles River and Forest Lawn Dr., just west of Forest Lawn Cemetery and east of Warner Bros. studios 157 Comment
  SEINET9119016  Amsinckia intermedia E. Adams 1978-1 S.N. Los Angeles Pomona, behind Calif. Polytechnic Univ. health unit. Grassy hillside. Comment
  CATA1862  Amsinckia menziesii Denise Kraus, Lisa Stratton 2000-6-1 42 Los Angeles Santa Catalina Island: Goat Harbor burn area, northwest corner 152 Comment
  IRVC26441  Amsinckia menziesii var. intermedia A. C. Sanders, Mark Elvin, et al. 2003-3-4 25700 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  POM127662  Amsinckia spectabilis S. B. Parish 1918-6-5 17869 Los Angeles Playa del Rey Comment
  RSA0091278  Amsinckia spectabilis Emily M. Bradford 1904-3-17 s.n. Los Angeles Redondo Beach. Comment
  RSA184059  Amsinckia tessellata I. L. Wiggins 1966-4-17 20604 Los Angeles Hillside across valley to e of Alpine Butte Wildflower Sanctuary, N of Pearblossom Comment
  RSA729579  Amsinckia tessellata R. G. Swinney 1999-4-5 7057 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
Read comments
Sep 25 2020
  SBBG128848  Amsinckia tessellata A. C. Sanders 2006-4-11 32047 Los Angeles Antelope Valley, 0.2 mi W of 20th St E on Ave "G:, NE side of Lancaster, S of Rosamond Lake 710 Comment
  RSA525313  Amsinckia tessellata W. Wisura 1991-4-27 4470 Los Angeles Along Lancaster Road, NW of Munz Ranch Road. Antelope Valley. Comment
  SEINET10455826  Amsinckia tessellata David B. Dunn 1937-4-14 Dunn UMO 40284 Los Angeles Palos Verdes. Comment
  RSA771587  Amsinckia vernicosa R. G. Swinney 2009-5-5 10651 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  UC1871257  Ancistrocarphus filagineus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5029 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
  UCR138543  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1946-9-2 6343 Los Angeles San Gabriel Mtns., West Fork San Gabriel River, 0.2 mi west of Bear Creek 518 Comment
  CAS-BOT-BC400324  Anemopsis californica Louis C. Wheeler 1973-4-21 s.n. Los Angeles San Andreas Rift Zone: Barrel Springs Comment
  RSA624569  Anemopsis californica L. C. Wheeler 1973-4-21 s.n. Los Angeles San Andreas Rift Zone: Barrel Springs 877 Comment
  JEPS16003  Angelica tomentosa Frank W. Peirson 1921-7-19 2508 Los Angeles San Gabriel Mountains, San Gabriel River, Cow Canyon Cow Canyon; San Gabriel Mountains, San Gabriel River, Cow Canyon 914 Comment
  CAS-BOT-BC64022  Anisocoma acaulis Geo. L. Mosley 1922-4-17 928 Los Angeles Antelope Valley Comment
  UCR132937  Anthemis cotula Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  LA201504  Anthemis cotula Arthur C. Gibson; 2003-5-24 4854 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  UCR51865  Anthriscus caucalis Steve Boyd, T. Elias 1987-4-14 2046 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  POM4238  Antirrhinum coulterianum W. R. Dudley, F. H. Lamb 1896-6-9 4394 Los Angeles Kings Canyon, Liebre Mts. Comment
  SEINET12948067  Antirrhinum coulterianum G. B. Grant 1904-1 49 Los Angeles Covina. Comment
  SFV4892  Antirrhinum coulterianum M. H. Grayum 1971-5-3 Los Angeles Santa Monica Mountains Tapia Park. 150 Comment
  RSA80189  Antirrhinum coulterianum F. W. Peirson 1926-4-26 6644 Los Angeles East of stream bed in pacoima Wash Comment
  CHSC22521  Antirrhinum multiflorum Robert A. Schlising 1971-5-19 2973 Los Angeles 1.3 miles NE of Jct Hwy 23 and Little Sycamore Canyon Road, along the latter. Comment
  UCR242705  Antirrhinum multiflorum R. G. Swinney 2009-8-6 11544 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  JEPS24109  Antirrhinum nuttallianum subsp. subsessile Henry J. Thompson 1959-5-24 2010 Los Angeles 1.9 mi n Coast Highway, Tuna Canyon; Santa Monica Mountains, Tuna Canyon 335 Comment
  JEPS27405  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven and Henry J. Thompson 1960-5-16 15387 Los Angeles ridge e Temescal Canyon; Santa Monica Mountains 243 Comment
  CATA2977  Aphanisma blitoides Peter J. Dixon 2015-2-17 005 Los Angeles Santa Catalina Island: Ragger's Point, North Ridge of Cottonwood Canyon 260 m East of Pacific Ocean, West of Two Harbors Rd. Growing on midden. Aspect; South 190 85 Comment
  UCR131365  Aphanisma blitoides Jeremiah George 2001-5-30 3 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 91 Comment
  UCR181269  Arabis R. G. Swinney 1997-6-13 5575 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 0.5 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 2073 Comment
  RSA588299  Arabis pulchra Orlando Mistretta 1994-4-15 1067 Los Angeles San Gabriel Mountains, Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1250 Comment
  UC586912  Aralia californica Joseph Andorfer Ewan 1934-8-2 8466 Los Angeles foot of Baldy Trail vicinity of Bear Flats Ranger Station; San Gabriel Mts., San Antonio Canyon 1371 Comment
  UCR95488  Arbutus menziesii L. C. Wheeler 1970-1-4 s.n. Los Angeles Transverse Range; San Gabriel Mtns., East Fork Santa Anita Canyon, Madrone Flat 884 Comment
  UC1375299  Arceuthobium campylopodum Robert F. Thorne 1971-8-25 41322 Los Angeles near Windy Spring on n slope fo Mt. Islip San Gabriel Mtns, Angeles National Forest Comment
  RSA97430  Arceuthobium occidentale F. W. Peirson 1921-6-15 2322 Los Angeles Chilao, San Gabriel Mountains. 1646 Comment
  RSA631305  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21986 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  RSA629072  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20300 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  UC879406  Arctostaphylos glandulosa subsp. glandulosa Ira W. Clokey, B. Templeton Apr. 1929 4452 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  POM367254  Arctostaphylos glandulosa subsp. mollis Florence Collins 1942-4-5 s.n. Los Angeles Mt. Wilson Comment
  RSA626722  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1993-11-15 25167 Los Angeles Shortcut, Angeles Crest Hwy. 1430 Comment
  CAS-BOT-BC39304  Arctostaphylos glauca Joseph Andorfer Ewan 1937-8-15 10960 Los Angeles San Gabriel Mts., Jct. of no. fork with west fork of San Gabriel River. 518 Comment
  CAS-BOT-BC39350  Arctostaphylos glauca S. Y. Parnay March 262 Los Angeles Mount Wilson 914 Comment
  RSA631561  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15805 Los Angeles San Gabriel Canyon, Highway 39, 9-10 km north of ORV area. 900 Comment
  RSA631592  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15859 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631597  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15609 Los Angeles Angeles Forest Highway, 1 km south of Hidden Springs Cafe. 850 Comment
  RSA631686  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-5-27 22820 Los Angeles Slope north of Switzer's, adjacent to Angeles Crest Highway. 1000 Comment
  RSA631709  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15673 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  RSA0046924  Arctostaphylos glauca Michael C. Long, J. E. Long 1974-3-24 s.n. Los Angeles Devil's Punchbowl Co. Park. 1463 Comment
  RSA139612  Arctostaphylos parryana A. E. Wieslander 1938-10-23 816 Los Angeles near head of Swarthout Valley 1982 Comment
  RSA157966  Arctostaphylos parryana Marcus E. Jones 1927-8-1 s.n. Los Angeles San Gabriel Mountains. Swartout [Swarthout] Valley. Comment
  RSA579442  Arctostaphylos parryana T. S. Ross 1994-6-21 7987 Los Angeles Vicinity of Pacifico Mountain: decending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca. 2325 m NW of Pac. Mtn's 7124-foot summit. 1915 Comment
  RSA634809  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20456 Los Angeles Pinyon Flats, N of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1610 Comment
  RSA634907  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22057 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA635110  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20435 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635173  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20586 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA726747  Arctotis grandis L. C. Wheeler 1933-6-24 1889 Los Angeles Alosta Ave. at Glendora Ave., Glendora. 229 Comment
  JEPS51475  Arenaria macradenia Frank W. Peirson 1918-6-16 44 Los Angeles On the road w Acton Comment
  RSA522444  Arenaria macradenia var. arcuifolia Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4061 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA0034962  Argemone munita subsp. argentea Carol Haines 1964-5-23 157 Los Angeles 13 miles from beginning of Old Ridge Route. 944 Comment
  UCD56414  Aristida adscensionis Beecher Crampton 1968-8-10 8320 Los Angeles Santa Catalina Island, Avalon. Comment
  RSA202459  Aristida adscensionis var. modesta R. L. Armacost 1963-5-7 1640 Los Angeles Santa Monica. Comment
  CAS-BOT-BC90163  Artemisia californica Joseph Andorfer Ewan 1932-10-22 10806 Los Angeles Above Avalon, Santa Catalina Island Comment
  RSA417238  Artemisia californica L. C. Wheeler 1931-11-20 365 Los Angeles 2 miles N of Claremont. 412 Comment
  RSA417240  Artemisia californica F. R. Fosberg 1931-1-7 853 Los Angeles Sierra Madre. 300 Comment
  RSA657208  Artemisia californica Joseph M. Keefe 2001-1-19 30993 Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 Comment
  SBBG118764  Artemisia californica F. R. Fosberg 1931-12-10 7157 Los Angeles Avalon, Public Utilities Cyn 50 Comment
  SBBG95611  Artemisia californica M. B. Dunkle 1939-4-5 7276 Los Angeles Pyramid Cove Comment
  IRVC28722  Artemisia douglasiana A. C. Sanders, Mark A. Elvin 2002-8-26 25590 Los Angeles 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" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  RSA417282  Artemisia douglasiana E. Crow 1928-10-21 2 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA417312  Artemisia dracunculus L. E. Hoffman 1932-10-30 16304 Los Angeles San Gabriel Mountains: Barley Flats Comment
  RSA417317  Artemisia dracunculus B. C. Templeton 1932-8-26 5091 Los Angeles West Blue Ridge, Big Pines Park. San Gabriel Mountains 2195 Comment
  SFV13208  Artemisia dracunculus W. M. Perry Dec 1980 135 Los Angeles San Gabriel Mountains Mount Baldy. Comment
  RSA760586  Artemisia ludoviciana R. G. Swinney 2008-10-16 9618 Los Angeles Big Pine Meadow 2061 Comment
  SBBG133095  Artemisia nesiotica S. A. Junak 1996-4-15 SCI- 339 Los Angeles just E of light at China Point 21 Comment
  CAS-BOT-BC97267  Artemisia tridentata subsp. parishii Dr. Barton W. Evermann 1916-5-16 s.n. Los Angeles Saugus Comment
  SEINET4560562  Artemisia tridentata var. parishii R. G. Swinney 2009-1 11599 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr. Canyon, N. of Mt Emma Rd. 908 Comment
  CATA1430  Arundo donax Mark L. Hoefs, Steven A. Junak, Ralph Philbrick, Sarah Chaney 1996-2-14 2591 Los Angeles Santa Catalina Island: Falls Canyon, above city warehouse and other buildings, below reservoir 57 Comment
  UCR179246  Arundo donax R. G. Swinney 1990-10-10 s.n. Los Angeles San Gabriel Mtns., Glendora, South Hills, c. 700 yds. north of the end of Bonnie Cove Ave. on South Hills Motorway 305 Comment
  LA50701  Asclepias eriocarpa J. A. Ewan; Carl Epling 1993-7-7 7595 Los Angeles 426 Comment
  SD31157  Asclepias fascicularis Edith A. Purer 1932-8-31 4866 Los Angeles Palos Verdes Hills Comment
  UCR102195  Asclepias physocarpa Rudy J. Martinez 1997-11-3 s.n. Los Angeles Los Angeles Basin, city of Los Angeles, residence at 2750 East Guirado Street 10 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
  LA94122  Aspidotis californica Lawrence L. Kiefer; 1966-4-10 1851 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi S of Camp Josepho. 304 Comment
  UCR223264  Aster greatae R. G. Swinney 2009-8-19 11449 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  UCR271204  Aster greatae R. G. Swinney 2011-11-1 15972 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  RSA0006712  Astragalus bicristatus J. C. Roos 1937-5-31 491 Los Angeles Big Pines. Comment
  UCR93946  Astragalus bicristatus John Wear, N. Moorhatch 1996-7-30 s.n. Los Angeles San Gabriel Mtns., Big Pines, Contel communication site 1829 Comment
  UC903397  Astragalus didymocarpus var. obispoensis Lois E. James 1947-4-13 1752 Los Angeles about 1/2 mi w Ravenna (in Soledad Canyon); Soledad Canyon, w of Ravenna Comment
  RSA0118841  Astragalus douglasii A. C. Sanders 2006-4-10 31977 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
  RSA110308  Astragalus douglasii H. D. Ripley, R. C. Barneby 1944-5-16 5857 Los Angeles Summit of Mint Canon, s. of Harold. 991 Comment
  UC205378  Astragalus lentiginosus var. antonius I. M. Johnston 1917-8-24 1655 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork (San Antonio Mountains, Southern Californa) 1676 Comment
  UCR141017  Astragalus lentiginosus var. variabilis June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  RSA678699  Astragalus miguelensis Mark Elvin, Orlando Mistretta 1996-3-24 120 Los Angeles San Clemente Island. Comment
  RSA18874  Astragalus preussii var. laxiflorus Marcus E. Jones 1937-1 s.n. Los Angeles [Antelope Valley. Dr. A.Davidson] Comment
  RSA601338  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-6-17 9956 Los Angeles Liebre Mountains region: Summit of Burnt Peak, generally to the northeast of the FAA site. 1706 Comment
  SEINET10484098  Astragalus trichopodus subsp. leucopsis Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4805 Los Angeles Santa Catalina Island; Catalina Conservancy Land, lower Cape Canyon Reservoir. Along Cape Canyon Trail (Road), .4 miles from junction to Airport Road. 8 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 500 Comment
  UC397240  Astragalus trichopodus var. lonchus I. Johnston 1919-6-10 1319 Los Angeles near Mesmer (dry cliffs and hillsides); near Mesmer Comment
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Sep 11 2007
  UC1584215  Astragalus trichopodus var. phoxus Tim Ross, Steve Boyd 1990-6-6 2861 Los Angeles .3 mi ese Oak Flat Spring (nr the intersection of Threemile Grade x the road W to Camp Caula, Los Padres National Forest (admin. by Angeles N.F.)); Los Padres National Forest, ese of Oak Flat Spring 839 Comment
  RSA155894  Atriplex argentea subsp. expansa P. H. Raven 1962-5-8 17619 Los Angeles Near Summit of Ridge above Wilson Cove, San Clemente Island 122 Comment
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Jan 19 2011
  SD124382  Atriplex argentea var. expansa F. C. Boutin 1967-4-23 1622 Los Angeles San Clemente Island; north end of island between Northwest Harbor and airstrip. Comment
  UC850695  Atriplex argentea var. mohavensis F. R. Fosberg 1931-7-15 S 5423 Los Angeles isthmus Santa Catalina Island; isthmus Santa Catalina Island 3 Comment
  CDA34303  Atriplex californica M. O'Brien 2011-6-15 15 -Nov Los Angeles Santa Monica Mountains; El Matador State Beach. 30 Comment
  UCSB59411  Atriplex californica Ross, Tim 1991-5-20 Los Angeles San Clemente Island; un-named knoll ca. 5500 feet S of Wilson Cove Settlement; westerly slope 2500 ft. NW of the 750 ft. BM 185 Comment
  RSA213402  Atriplex californica M. B. Dunkle 1939-4-5 7275 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA452397  Atriplex californica Robert Gustafson 1981-4-14 2175 Los Angeles Ballona Wetlands, Area 1 Comment
  CAS-BOT-BC172646  Atriplex coulteri Katharine Brandegee s.n. Los Angeles Santa Catalina Isld. Comment
  POM213178  Atriplex johnstonii C. B. Wolf 1931-12-30 s.n. Los Angeles Playa del Rey 30 Comment
  SDSU5515  Atriplex lentiformis R. M. Beauchamp 1967-1-29 160 Los Angeles San Clemente Island. Comment
  CATA3535  Atriplex leucophylla Peter J. Dixon 2017-9-13 102 Los Angeles Santa Catalina Island: Pacific side; Shark Harbor, salina and dune, very near coast, growing in sand 0 Comment
  RSA478309  Atriplex leucophylla M. B. Dunkle 1928-4-11 1852 Los Angeles Isthmus, Santa Catalina Island. Comment
  SBBG12207  Atriplex leucophylla P. H. Raven 1962-7-12 18032 Los Angeles Northwest Harbor 9 Comment
  UCR24186  Atriplex parryi John C. Roos 1947-7-21 s.n. Los Angeles Western Mojave Desert, Lancaster 762 Comment
  CATA1411  Atriplex prostrata Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2562 Los Angeles Santa Catalina Island: Cherry Valley, just back from rocky beach 3 Comment
  RSA454007  Atriplex prostrata Robert Gustafson 1980-9-16 1912 Los Angeles Ballona Wetlands, Area 1. Comment
  SD90487  Atriplex semibaccata Robert F. Thorne 1973-4-12 42898 Los Angeles San Clemente Island; China Point at end of road. 14 Comment
  RSA151504  Avena barbata P. H. Raven 1962-4-9 17132 Los Angeles Wilson Cove, San Clemente Island 61 Comment
  RSA659133  Avena barbata LeRoy Gross 2001-3-31 373 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 old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 457 Comment
  RSA660892  Avena barbata Ann Williams 1992-5-14 23 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UCR186972  Avena barbata A. C. Sanders 2006-4-10 31993 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
  LA10995  Avena barbata s.n. Los Angeles Comment
  LA105576  Avena fatua Barry A. Prigge; 1989-5-10 8698 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, above Dume Cove. 38 Comment
  RSA602596  Azolla filiculoides Louis Cutter Wheeler 1946-12-14 6446 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  CAS-BOT-BC98728  Baccharis douglasii LeRoy Abrams 1903-8-26 2976 Los Angeles Ballona Creek, near Mesmer Comment
  RSA418210  Baccharis douglasii T. Gertrude Williamson 1924-8-22 s.n. Los Angeles Catalina Island, Toyon Canyon Comment
  RSA418214  Baccharis douglasii Anstruther Davidson 1892-08 s.n. Los Angeles Verdugo [Park] Comment
  IRVC9026  Baccharis glutinosa P. W. Rundel 1965-2-6 1528 Los Angeles Palmer Canyon; just north of Padua Hills, west slope. San Gabriel Mountains 610 Comment
  RSA0008313  Baccharis malibuensis Carl Wishner 2000-10-13 3950 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot. 58 Comment
  SEINET11837861  Baccharis pilularis subsp. consanguinea C. V. Braun 1974-1 23 Los Angeles turn-out on E side of I-5 just N of Castaic Comment
  CAS-BOT-BC98168  Baccharis salicifolia Marcus E. Jones 1882-2-25 3021 Los Angeles Pasadena Comment
  POM310423  Baccharis salicifolia Margaret Hardinge 1945-12-10 153 Los Angeles Little Dalton Canyon. 1159 Comment
  RSA15634  Baccharis salicifolia C. B. Wolf 1927-12-31 1464 Los Angeles Occidental College Campus. Comment
  RSA5878  Baccharis salicifolia C. B. Wolf 1932-9-16 4095 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  UCR190853  Baccharis salicifolia R. G. Swinney 1998-8-6 6690 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR220179  Baccharis salicifolia R. G. Swinney, Jane Strong 2009-4-7 10308 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  JEPS30432  Baccharis salicifolia subsp. salicifolia Peter H. Raven and Henry J. Thompson 1959-10-18 14664 Los Angeles at mouth of Topanga Canyon Santa Monica Mountains 4 Comment
  UC1215157  Baccharis salicifolia subsp. salicifolia Peter H. Raven 1962-5-8 17629 Los Angeles opposite of Wilson Cove (dunes on w side 0.3 mi from ocean); San Clemente Island 12 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
  RSA650241  Beloperone guttata E. W. Lathrop 1949-1-30 s.n. Los Angeles Miramonte Blvd., Los Angeles. 61 Comment
  UCR205626  Berberis nevinii A. C. Sanders, T. B. Salvato 2009-5-21 36892 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  LA82374  Bloomeria crocea O. H. Kappler; 1940-5-26 32 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CLARK-A1528-1519  Bloomeria crocea John C. Roos 1947-5-11 3606 Los Angeles Pomona Comment
  CAS-BOT-BC15862  Boechera arcuata Steve Boyd; Amber Maurice 2004-5-18 11343 Los Angeles Transverse Ranges. Liebre Mountains region. Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon. 610 Comment
  SEINET8574374 Image available Bolboschoenus maritimus subsp. paludosus Frank W. Gould 1944-4-12 2280 Los Angeles Western Ave. at 131st Street, south of Los Angeles Comment
  UCR149853  Borago officinalis Scott D. White 2004-4-23 10227 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  CATA1937  Bowlesia incana M. B. Dunkle 1929-4-7 2085 Los Angeles Santa Catalina Island: White's Landing 0 Comment
  IRVC26858  Bowlesia incana Reid Moran 1941-2-17 576 A Los Angeles Middle Ranch, Santa Catalina Island. 500 Comment
  SBBG19139  Bowlesia incana C. Burch 1963-12-8 Los Angeles first cyn S of Seal Cove Comment
  CAS-BOT-BC420341  Boykinia rotundifolia unspecified 1901-7-1 1872 Los Angeles W fork of San Gabriel River Comment
  RSA161296  Boykinia rotundifolia P. H. Raven 1961-10-1 16779 Los Angeles San Gabriel Mountains: upper Evey Canyon 915 Comment
  RSA733679  Boykinia rotundifolia R. G. Swinney 1998-8-6 6669 Los Angeles Falls Gulch, waterfall 100m above confluence with upper East Fork San Gabriel River. 1037 Comment
  RSA799905  Boykinia rotundifolia Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 8 Los Angeles Glendora Ridge Road 1288 Comment
  CATA1183  Brachypodium distachyon Mark L. Hoefs 1995-5-30 2184 Los Angeles Santa Catalina Island: Near Ben Weston Road 30 Comment
  CATA1838  Brachypodium distachyon Denise Kraus 2000-4-27 17 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On eastern side of large, obvious rocky outcrop which is on western fuel break ridge. At GHB Transect 15 381 Comment
  SBBG72249  Brassica geniculata R. Hoffmann 1931-10-1 Los Angeles Bob's Place, Mint Cyn Comment
  UCR107755  Brassica geniculata Matilda Low 1997-3-13 13 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges) NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  UCR145159  Brassica geniculata June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  UCR147037  Brassica geniculata L. C. Wheeler 1967-5-29 9765 Los Angeles San Gabriel Mtns, San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat Canyon 884 Comment
  SEINET6036304  Brassica nigra Unknown 1929-4-10 Los Angeles Long Beach. Comment
  RSA482926  Brassica rapa Robert M. Perkins 1935-3-20 s.n. Los Angeles Los Angeles. Comment
  JEPS30437  Brickellia californica Peter H. Raven and Henry J. Thompson 1959-10-31 14725 Los Angeles Roadside banks in coastal sage, Manderville Canyon 5.8 mi N of Sunset Boulevard, Santa Monica Mountains. 365 Comment
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May 9 2014
  SD72792  Brickellia nevinii F. R. Fosberg 1931-11-7 7193 Los Angeles Ridge Route near Tumble Inn, Western Sierra Madre Mountains 1100 Comment
  CATA1758  Briza minor Mark L. Hoefs, Steven A. Junak 2003-5-5 3212 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 30 Comment
  RSA0085064  Brodiaea filifolia Robert Kessler 1892-05 3418 Los Angeles Foothills N. of Glendora, Los Angeles. Comment
  UC557783  Brodiaea kinkiensis Nell Murbarger May 1936 219 Los Angeles San Clemente Island Comment
  RSA777518  Bromus R. G. Swinney 2009-5-27 10863 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA589254  Bromus berteroanus Timothy S. Ross 1991-4-28 4761 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA157782  Bromus carinatus P. H. Raven 1962-5-8 17623 Los Angeles Slopes above Seal Cove, San Clemente Island 38 Comment
  UC1595318  Bromus carinatus var. carinatus Tim Ross, Steve Boyd 1990-6-18 3489 Los Angeles northerly to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mountains, Camp Verdugo Pines 1877 Comment
  RSA0116842  Bromus diandrus Richard G. Swinney 2010-5-25 12938 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA276042  Bromus diandrus Jack Delaini 1974-4-25 134 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. Near San Dimas Creek at mouth of canyon. 366 Comment
  RSA599841  Bromus diandrus Steve Boyd, Lauren Raz 1997-5-6 9758 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA639972  Bromus diandrus L. C. Wheeler 1967-5-29 9763 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  CLARK-A1528-4537  Bromus grandis John C. Roos 1942-5-23 1060 Los Angeles Santa Anita Canyon Comment
  RSA0116802  Bromus hordeaceus Richard G. Swinney 2010-5-25 12936 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA658487  Bromus hordeaceus Paul Neipp 1994-5-19 29 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  RSA717194  Bromus hordeaceus Gary Kovnat, LeRoy Gross 2003-2-16 31 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SBBG12187  Bromus hordeaceus P. H. Raven 1962-4-9 17159 Los Angeles near barracks, Wilson Cove 60 Comment
  SD234237  Bromus hordeaceus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26119 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn 7.5' Q) 487 Comment
  UCR258965  Bromus hordeaceus R. G. Swinney 2010-2-27 11759 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR198386  Bromus madritensis Valerie Soza, LeRoy Gross, A. Munoz 2000-5-12 903 Los Angeles Transverse Ranges; Verdugo Mountains, northwest side, northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank 488 Comment
  UCR102380  Bromus madritensis subsp. madritensis L. C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mtns., Devil's Canyon, just above the upper falls, below the campground, east of windy gap. 1006 Comment
  UCR144157  Bromus madritensis subsp. madritensis Scott D. White 1997-5-8 5095 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  CATA677  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-4-23 1168 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  UCD59062  Bromus orcuttianus var. hallii A. A. Beetle 1942-6-25 3640 Los Angeles San Bernardino Moutains. Rt. 2, 2 miles north of Big Pine Camp. Comment
  UCD59293  Bromus pseudolaevipes Peter H. Raven 1960-5-15 15354 Los Angeles Santa Monica Mountains. Piuma Road 2.1 miles east of Rambla Pacifica. 487 Comment
  RSA604199  Bromus rubens L. C. Wheeler 1972-5-21 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just inside National Forest Boundary. Comment
  UCR280576  Bromus rubens R. G. Swinney 2014-4-18 16130 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  SFV21125  Bromus sterilis L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1054 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon above the large waterfall where the canyon forks off, near above coordinates. Smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  RSA0019952  Bromus tectorum J. B. Feudge 1924-6-10 983 Los Angeles Big Pines, San Antonio Mountains 1982 Comment
  SFV1426  Cakile maritima R. L. Armacost 1959-1-10 1095 Los Angeles Malibu. Malibu Beach. Comment
  RSA466537  Calandrinia ciliata Christopher Davidson 1973-4-6 1869 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  RSA570199  Calandrinia ciliata Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 5037 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  SD214616  Calandrinia ciliata Darley F. Howe Mar 1915 30 Los Angeles Claremont Comment
  SEINET3863110 Image available Calocedrus decurrens Timothy S. Ross, Steve Boyd 1994-9-21 8319 Los Angeles Sandberg: 150-170 m SSE of town along the 'Old Ridge Route.' Liebre Mountain 7.5' USGS Quadrangle.; 0 1268 Comment
  NY16884  Calocedrus decurrens T. G. Yuncker 1931-6-29 3829 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM8271  Calochortus albus Philip A. Munz, R. D. Harwood 1920-5-17 3977 Los Angeles Topango Canon [now Topanga Canyon]. Santa Monica Mountains. 91 Comment
  POM123269  Calochortus catalinae H. E. Hasse 1890-05 s.n. Los Angeles Foothills, Sierra Santa Monica. Comment
  SBBG95194  Calochortus catalinae M. B. Dunkle 1928-3-31 1762 Los Angeles Little Harbor Comment
  SD69789  Calochortus catalinae Robert F. Thorne 1966-4-4 35767 Los Angeles Santa Catalina Island, on grassy west-facing slope, bluff southeast of Ballast Point and Catalina Harbor, Isthmus. 60 Comment
  UCD139487  Calochortus catalinae Michael Alvord; Curtis Schway 1993-4-14 24 Los Angeles Santa Monica Mountains, Topanga State Park, upper parking lot, Musch Tral. 0.5 mile northeast side of trail. 600 Comment
  UCR62092  Calochortus catalinae S. J. Myers, R. Montijo 1990-4-20 s.n. Los Angeles Powder Canyon, in city of La Habra Heights 245 Comment
  CAS-BOT-BC483411  Calochortus invenustus Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38903 Los Angeles Canyon above Angeles Crest Highway, c. 1 mile west of Vincent Gap at the one of headwaters of east fork Big Rock Creek north face Mt. Baden-powell, Angeles National Forest, San Gabriel Mountains 2331 Comment
  RSA97707  Calochortus invenustus R. M. Straw 1954-6-16 619 Los Angeles Horse Flats Road, off Angeles Crest Hwy, Angeles National Forest. Comment
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Oct 7 2011
  UCR264994  Calochortus striatus Russell Huddleston, Michelle Balk 2015-4-21 s.n. Los Angeles Western Mojave Desert, SW corner of Edwards Air Force Base, west of Rosamond Dry Lake, 0.15 mile south of Ave. A and 0.6 mile east of Division St./ Shuttle Rd., Piute Ponds 701 Comment
  UCR117221  Calyptridium monandrum B. G. Pitzer 1998-5-12 3695 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  UCR97797  Calystegia macrostegia Scott D. White 1997-3-12 4765 Los Angeles Western Transverse Range; Santa Monica Mtns., NW of Zuma Beach. Encinal Canyon Road between Pacific Coast Highway & Mulholland Highway 610 Comment
  UC557823  Calystegia macrostegia subsp. amplissima Nell Murbarger March, 1936 52 Los Angeles San Clemente Island Comment
  UCR231071  Calystegia macrostegia subsp. arida Dan S. Cooper 2011-9-19 s.n. Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Dr. adjacent to Forest Lawn Cemetery 159 Comment
  SD69032  Calystegia macrostegia subsp. cyclostegia Robert F. Thorne 1966-9-14 36630 Los Angeles Santa Catalina Island; weedy margin of reservoir, Middle Ranch, Middle Ranch Canyon. 199 Comment
  HSC24369  Calystegia macrostegia subsp. intermedia Donna Barnes 1970-4-18 26 Los Angeles 2 mi. SSW of Topanga at Jct. of Fernwood Pacific & Tuna Cyn. Rd. in Santa Monica Mtns. 122 Comment
  RSA545205  Calystegia macrostegia subsp. intermedia Tim Ross, Mathew Bell, A. R. Ross 1992-3-22 6051 Los Angeles W side of Yerba Buena Road ca 360m NNW of intersection with Mulholland Highway. 488 Comment
  RSA653736  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Laura Moore 2000-5-10 856 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
  RSA708688  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Miriam Sidibeh 2003-3-26 1602 -b Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  UCR280553  Calystegia macrostegia subsp. intermedia R. G. Swinney 2014-6-5 16701 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  RSA680193  Calystegia occidentalis subsp. fulcrata Valerie L. Soza, Naomi Fraga 2003-6-13 1668 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  UCR260341  Camissonia R. G. Swinney 2010-5-4 12538 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA638944  Camissonia bistorta Louis C. Wheeler 1967-5-15 9564 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  RSA465679  Camissonia bistorta I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  CAS-BOT-BC173253  Camissonia californica A. C. Sanders; Helen Kennedy 2005-4-13 29414 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0085330  Camissonia californica R. G. Swinney 2010-4-1 12165 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  POM9660  Camissonia californica P. A. Munz, R. D. Harwood 1920-5-15 3946 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA587237  Camissonia californica Orlando Mistretta 1994-5-11 1186 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  RSA454716  Camissonia campestris subsp. campestris H. Wells 1968-3-30 13 Los Angeles Mojave Desert, 3.1 miles N of junction of Palmdale Blvd and State Highway 14, on Highway 14, West 1.4 miles junction of State Highway 14 and side road, on side road. Comment
  HSC16455  Camissonia claviformis C. S. Apperson 1966-4-24 Los Angeles Junction of Palmdale Blvd. and 90th St. Comment
  RSA586067  Camissonia claviformis subsp. claviformis Orlando Mistretta, Christine Mistretta 1995-5-2 1663 A Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  RSA593458  Camissonia graciliflora Steve Boyd 1996-4-24 8637 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  UCR225771  Camissonia graciliflora Dave Silverman, Cindy Hopkins 2007-4-27 6786 Los Angeles Tejon Ranch, north of Oso Canyon, 2.8 km due west of CA Aqueduct, 1.3 km south of Kern Co. line, 1.4 km south of National Cement Plant 1062 Comment
  UCR190033  Camissonia hirtella R. G. Swinney 1998-6-16 6989 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR78077  Camissonia hirtella David Charlton 1991-7-5 5504 Los Angeles San Gabriel Mtns., Lake Hughes Road, south of Castaic Lake, l mi. [NE] of Visitor Center 400 Comment
  RSA584041  Camissonia ignota Tim S. Ross, Steve D. Boyd 1991-4-25 4585 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fk of the San Gabriel River). 732 Comment
  RSA724761  Camissonia intermedia K. Dobry 1991-5-22 d- 664 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  RSA187566  Camissonia intermedia Peter H. Raven 1963-4-17 18171 Los Angeles Santa Catalina Island: progeny of no. 17857, cultivated at Stanford. Comment
  RSA772167  Camissonia pallida R. G. Swinney 2009-5-12 10745 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  RSA593443  Camissonia strigulosa Steve Boyd 1996-4-24 8644 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  SBBG126884  Camissoniopsis bistorta A. Parikh, N. Gale 2011-5-19 3391 Los Angeles San Gabriel River, Whittier Narrows Nature Center, 0.2 km SE of Durfee Ave, 0.8 km SW of Peck Rd 67 Comment
  CAS-BOT-BC160512  Camissoniopsis guadalupensis subsp. clementina Robert F. Thorne 1973-4-11 42878 Los Angeles San Clemente Island: dunes near Flasher, NW part of island 4 Comment
  SBBG61441  Camissoniopsis hirtella R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UC306304  Camissoniopsis hirtella D. L. Crawford 1915-6-30 Los Angeles mts. above Claremont 2133 Comment
  UC873865  Camissoniopsis hirtella I. W. Clokey and B. C. Templeton 1930-4-8 4642 Los Angeles San Francisquito Canyon 900 Comment
  LA91498  Camissoniopsis intermedia Bruce Douglas Clayton; Greg Shaw 1972-4-15 98 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak 586 Comment
  SEINET3153544  Camphora officinalis G. B. Grant 1904-1 131 -A Los Angeles Pasadena Comment
  POM369318  Cardamine californica var. californica Ella M. Kennedy 1923-2-18 s.n. Los Angeles San Gabriel Canyon Comment
  UCR216748  Cardamine hirsuta R. G. Swinney 2009-2-20 10005 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA66104  Cardamine oligosperma L. C. Wheeler 1932-3-20 506 Los Angeles San Dimas Canyon 518 Comment
  CAS-BOT-BC17675  Carex alma Fay A. Mac Fadden 1933-6-1 11008 Los Angeles La Tuna Canyon, beyond Belmont Country Club. Comment
  RSA772162  Carex alma R. G. Swinney 2009-5-20 10843 Los Angeles Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA641523  Carex alma L. C. Wheeler 1967-5-31 9807 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  SEINET6053110  Carex alma Unknown 1946-5-19 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CHSC95234  Carex barbarae LeRoy Gross; Naomi Fraga, Steve Williams 2002-7-17 560 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 295 Comment
  SEINET3899175  Carex bolanderi Valerie Soza, Leroy Gross 2000-6-13 996 Los Angeles San Gabriel Mountains: Spring along Burkhart Trail (FS Trail 10W02), from Buckhorn Flat to Cooper Canyon, ca. 0.8 mile along trail from Buckhorn Flat trailhead.; 0 1844 Comment
  RSA0031049  Carex heteroneura Robert F. Thorne 1968-9-24 41400 Los Angeles 1.5 miles east of Dawson Saddle along Angeles Crest Highway. [Label says San Bernardino County] 2576 Comment
  RSA52177  Carex leavenworthii William C. Draper 1949-5-27 s.n. Los Angeles 510 Fairview St., Arcadia. Comment
  RSA1436  Carex phaeocephala Le Roy Abrams 1901-07 1933 Los Angeles Mt. San Antonio 3049 Comment
  CAS-BOT-BC117944  Carex schottii George Bernard Grant 1904-4-1 137 a Los Angeles Pasadena. Comment
  RSA364693  Carex schottii Anonymous 1920-4-17 s.n. Los Angeles Santa Anita Canyon Comment
  CAS-BOT-BC117317  Carex spissa George B. Grant 1904-6-17 137 Los Angeles Pasadena. Comment
  RSA656249  Carex spissa Steve Archer 1977-5-20 12 Los Angeles Verdugo Mountains: Dead-end street near (last canyon) where the 210 Freeway and La Tuna Canyon meet, La Crescenta 273 Comment
  CHSC118260  Carex subfusca Peter F. Zika; Nick Otting 2010-8-4 25263 Los Angeles Junction of Route 2 and Big Pines Highway. San Gabriel Mountains. 2075 Comment
  RSA88843  Carex subfusca Joseph A. Ewan 1936-7-22 9797 Los Angeles Big Pines Meadow, San Gabriel Mountains. 2073 Comment
  CAS-BOT-BC115637  Carex triquetra Peter H. Raven 1960-5-21 15393 Los Angeles Clump in burned chaparral along road to Saddle Peak 2.1 mi from Ferndale. 502 Comment
  RSA402585  Carpobrotus chilensis G. J. Hollenberg 1928-07 s.n. Los Angeles Del Ray Comment
  LA200129  Carpobrotus edulis Jonathan Sauer; 1975-4-26 5649 Los Angeles Santa Monica Mountains, Zuma Beach, W of Point Dume Comment
  SBBG79234  Castilleja affinis W. A. Wright 1931-2-19 Los Angeles above school, Banning Cyn Comment
  UC440397  Castilleja affinis subsp. affinis Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Las Flores Canyon; Santa Monica Mountains Comment
  UCSB45210  Castilleja affinis subsp. affinis Batson, J. 1979-3-10 Los Angeles End of Trancas Canyon Road near Malibu, CA 91 Comment
  SEINET3079828 Image available Castilleja angustifolia var. dubia Steve Myers, Ed LaRue 1989-3-21 Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. San Andres Rift Zone bissects site 884 Comment
  RSA81468  Castilleja applegatei subsp. martinii F. W. Peirson 1921-7-17 2505 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2012 Comment
  UC1611562  Castilleja applegatei subsp. martinii Tim Ross, Orlando Mistretta, Alex Quici 1990-6-28 3990 Los Angeles s and sw of Liebre Mtn., West Summit, and ridge to its west ((West Summit here construed as the 5605 ft knoll near the intersection of sections 3,4,9.10)); Liebre Mountains, Liebre Mtn. 7.5' U.S.G.S. Quad. 1389 Comment
  RSA145410  Castilleja applegatei subsp. martinii Gale Sphon 1959-6-27 384 Los Angeles Icy Springs, Big Rock Canyon, Angeles National forest, San Gabriel Mountains. Comment
  RSA505065  Castilleja applegatei subsp. martinii Orlando Mistretta 1987-6-25 s.n. Los Angeles Angeles National Forest, San Gabriel Mountains. Angeles Crest Highway. 5 miles north of turnoff to Horse Flats Campground. Comment
  SDSU10852  Castilleja exserta Gerald Collier 1951-4-7 Los Angeles At Point Dume, about 2 miles W of US Hwy 101. 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
  RSA599206  Castilleja exserta subsp. exserta Louis C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 632 Comment
  UC76121  Castilleja exserta subsp. exserta Geo. B. Grant 1902-4-1 885 Los Angeles Pasadena Comment
  UCR138706  Castilleja exserta subsp. exserta L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mtns, Spring Hill, San Antonio Canyon 1220 Comment
  JEPS8746  Castilleja foliolosa I. W. Clokey and B. C. Templeton 1930-4-8 4721 Los Angeles San Francisquito Canyon 800 Comment
  LA52015  Castilleja foliolosa Philip A. Munz; R. D. Harwood 1920-5-15 3925 Los Angeles Santa Monica Mountains, Sepulveda Canyon, along Sepulveda Blvd 243 Comment
  RSA4327  Castilleja foliolosa S. K. 1909-6-21 55 Los Angeles Claremont. Comment
  UC1063022  Castilleja foliolosa Jerome S. Horton 1936-4-20 293 Los Angeles San Dimas Canyon Wash; Pomona Quad. 365 Comment
  RSA515116  Castilleja grisea Aaron Liston, Orlando Mistretta, Rieseberg 1989-4-28 796 -2 Los Angeles San Clemente Island: Horse Beach Canyon, S end of island 18 Comment
  UC1929460  Castilleja grisea Mark Elvin, Orlando Mistretta 1996-3-24 133 Los Angeles Channel Islands; San Clemente Island: Eagle Canyon. Comment
  RSA579308  Castilleja minor subsp. spiralis Tim S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8082 Los Angeles Sheep Camp Spring, 334 degrees and 520m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon 1921 Comment
  UCR186596  Castilleja minor subsp. spiralis T. B. Salvato, Sarah Flack 2007-8-8 3034 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  JEPS3172  Castilleja plagiotoma Frank W. Peirson 1919-5-11 210 a Los Angeles Arrastre Canyon (Arraster? near Ravenna RR. station) Arrastre Canyon; San Gabriel Mountains, Arrastre Canyon 838 Comment
  UCR222841  Castilleja plagiotoma R. G. Swinney 2009-5-12 10756 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  CATA2878  Catharanthus roseus Sara L. Crockett, Michael Daligdig 1996-11-11 54 Los Angeles Santa Catalina Island: Buffalo Nickel Restaurant, garden between restaurant and Island Express helicopter service 4 Comment
  RSA0091341  Caulanthus amplexicaulis R. G. Swinney 2011-5-12 14690 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  LA51352  Caulanthus heterophyllus A. M. Johnson; 1935-4-26 4574 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA0013579  Caulanthus heterophyllus D. E. Bramlet 2008-3-26 4123 Los Angeles Bee Canyon. Bowerman landfill site. 202m S of the Bee Cyn. Access Road, 151m west of landfill entrance. Comment
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Nov 2 2018
  CAS-BOT-BC40213  Caulanthus lasiophyllus LeRoy Abrams 1899-3-1 243 Los Angeles Ballona Harbor. Comment
  UCR95451  Caulanthus lasiophyllus L. C. Wheeler 1967-5-12 9435 Los Angeles San Gabriel Mtns., Hunt Canyon, 3 mi. east of Vincent 1067 Comment
  POM49337  Ceanothus arboreus L. W. Nuttall 1920-6-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA182991  Ceanothus arboreus S. Carlquist, Robert F. Thorne 1966-4-28 1822 Los Angeles Upper terminus of road to Renton Mine, Santa Catalina Island. Comment
  SD45611  Ceanothus arboreus D. F. Howe 1953-5-2 2271 Los Angeles Wain Canyon, Catalina Island Comment
  UCR8305  Ceanothus cordulatus J. L. Huber 1969-5-25 973 Los Angeles San Gabriel Mtns., 1 mi east of Kratka Ridge, Pleasant View Ridge Trail 2287 Comment
  CAS-BOT-BC48738  Ceanothus crassifolius Vernon Bailey 1907-10-29 s.n. Los Angeles Fernando Comment
  RSA276047  Ceanothus crassifolius Jack Delaini 1974-2-14 1 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angele National Forest. 366 Comment
  UCR155626  Ceanothus cuneatus A. C. Sanders 2005-5-11 30138 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  SBBG125877  Ceanothus cuneatus var. cuneatus A. Parikh, N. Gale 2010-6-7 3262 Los Angeles Sierra Pelona, 5.2 km W of State Hwy 14, 1.3 km SW of California Aqueduct; E Liebre Mtns 997 Comment
  UC144557  Ceanothus cuneatus var. cuneatus C. F. Baker 1902-2-17 4014 Los Angeles Claremont Comment
  RSA771771  Ceanothus greggii R. G. Swinney 2009-5-20 10821 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA0016929  Ceanothus integerrimus Kelly Middleton, David Middleton 1988-5-8 37 Los Angeles Glendora Ridge Road, 5.7 miles west of Mt. Baldy Road intersection. Roadside collection. 1220 Comment
  CAS-BOT-BC50568  Ceanothus leucodermis Timothy S. Ross 1993-6-1 7348 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail between Chatry Flat and Hoegee Camp (on Winter Creek), 768 Comment
  RSA0106115  Ceanothus leucodermis R. G. Swinney 2011-3-15 14071 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA250431  Ceanothus leucodermis Robert F. Thorne, R. Carolin, C. Davidson 1967-3-23 41615 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
  LA212338  Ceanothus leucodermis Lee Haines; 1935-7-9 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Fern Canyon. Comment
  UC56681  Ceanothus megacarpus Ernest Braunton 1903-1-12 785 Los Angeles Lauarel Canyon Comment
  UCR168234  Ceanothus megacarpus subsp. insularis Reid Moran 1941-3-5 679 Los Angeles Channel Islands; Santa Catalina Island, Salta Verde 350 Comment
  CATA1105  Ceanothus megacarpus var. insularis M. B. Dunkle 1929-3-17 2059 Los Angeles Santa Catalina Island: Cape Canyon 0 Comment
  RSA399714  Ceanothus megacarpus var. insularis Reid V. Moran 1941-3-5 679 Los Angeles Salta Verde, Santa Catalina Island. 350 Comment
  SBBG31299  Ceanothus megacarpus var. insularis R. F. Thorne with P. C. Everett 1965-5-10 Los Angeles near Catalina Airstrip 457 Comment
  SBBG31407  Ceanothus megacarpus var. insularis R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-18 Los Angeles Salta Verde, ca. N of Salta Verde Pt 365 Comment
  UC624985  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-4-10 S 4559 Los Angeles Pacific Divide Santa Calalina Island 200 Comment
  SBBG131130  Ceanothus megacarpus var. megacarpus S. A. Junak 1999-5-21 SCa 995 Los Angeles E side of Coffee Pot Cyn, just W of rd, N facing stream bank 420 Comment
  UC440368  Ceanothus megacarpus var. megacarpus Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  CAS-BOT-BC50452  Ceanothus oliganthus H. E. McMinn 1925-8-6 1551 i Los Angeles Sawpit Canyon, San Gabriel Mts. Comment
  CAS-BOT-BC50479  Ceanothus oliganthus Peter H. Raven; Henry J. Thompson 1959-4-3 13919 Los Angeles Santa Monica Mountains - Saddle Peak - about 0.7 mile north-east of summit 807 Comment
  CAS-BOT-BC50480  Ceanothus oliganthus Carl B. Wolf 1941-8-2 11134 Los Angeles Liebre Mts., Ridge Route Rd. 2.7 mi. S. Frenchman Flats Forest Service Camp 822 Comment
  UCD112286  Ceanothus oliganthus Daryl Koutnik 1978-3-24 s.n. Los Angeles Mulholland Highway at entrance to Seminole Hot Springs. 365 Comment
  UC18372  Ceanothus oliganthus Dr. A. Davidson 1895-1 Los Angeles Comment
  UC56263  Ceanothus oliganthus var. oliganthus H. M. Hall May 1902 3249 Los Angeles Head of San Fernando Valley Comment
  LA52233  Ceanothus spinosus A. M. Johnson; 1934-5-4 4458 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UCR192940  Celtis australis Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Oak Canyon, 0.5 km above Travel Town, Los Angeles 180 Comment
  RSA722088  Celtis australis R. E. Riefner 2006-4-29 6 -158 Los Angeles City of Pasadena, canyon in vicinity of Candeo Dr. and Wierfield Dr. 320 Comment
  SEINET3371865  Centaurea melitensis G. Rink 2011-6-1 10565 Los Angeles Next to Highway 57, north of La Brea, weedy place 213 Comment
  CAS-BOT-BC272067  Centaurea melitensis F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  RSA497600  Centrostegia thurberi A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7769 Los Angeles Mojave Desert, near Quartz Hill in Lancaster. S of Avenue L at 37th St. West 747 Comment
  SBBG62323  Centrostegia thurberi R. Hoffmann 1929-5-19 Los Angeles Harold Comment
  PASA1219  Cercocarpus betuloides Frank W. Peirson 1927-3-19 Los Angeles Seminole Hot Springs Region, Santa Monica Mts. Comment
  RSA453284  Cercocarpus betuloides Ruth Herley 1932-7-4 s.n. Los Angeles Mandeville Canon. Comment
  UCR125180  Cercocarpus betuloides A. C. Sanders, Mark Elvin 2002-6-25 25272 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  CAS-BOT-BC142106  Cercocarpus betuloides var. betuloides S. B. Parish 1916-11-28 10747 Los Angeles Eagle Rock Park, Los Angeles Comment
  LA34190  Cercocarpus betuloides var. betuloides Peter H. Raven; Henry J. Thompson 1959-9-27 14547 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy just E of Decker Rd. 548 Comment
  RSA177026  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-10-4 4222 Los Angeles Santa Catalina Island. West slope above road in back of St. Catherine Hotel, Avalon. 23 Comment
  UC212376  Cercocarpus betuloides var. blancheae G. B. Grant 1906-9-1 7164 Los Angeles Santa Catalina Island 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
  LA47768  Cercocarpus betuloides var. multiflorus Joseph Andorfer Ewan; 1933-7-4 7851 Los Angeles San Gabriel Mountains, Santa Anita Canyon, along trail Sturdevant 609 Comment
  CAS-BOT-BC147721  Cercocarpus betuloides var. traskiae Reid Moran 1941-3-5 678 Los Angeles Salta Verde, Santa Catalina Island Comment
  CAS-BOT-BC32719  Cercocarpus montanus var. traskiae Blanche Trask 1898-3-1 s.n. Los Angeles Santa Catalina Isl. Salte Verde. Avalon. Comment
  CATA934  Cercocarpus traskiae Mark L. Hoefs, Robert Given 1992-4-16 1794 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  SDSU6499  Chaenactis artemisiifolia M. Wedberg 1966-4-3 1191 Los Angeles Above Hill Dr. at Neal, in Eagle Rock. Comment
  SEINET7379759 Image available Chaenactis artemisiifolia J. H. Barber s.n. Los Angeles Santa Monica Forestry Station Comment
  UCD150980  Chaenactis glabriuscula D. S. Park 2010-4-29 66 Los Angeles Wildwood Canyon, found along trail and hillside. 429 Comment
  UCR50872  Chaenactis glabriuscula A. C. Sanders 1988-5-18 7836 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  OBI56575  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Lauren Raz, Timothy S. Rose 1997-4-1 9458 Los Angeles Liebre Mts Region: Upper watershed of Osito Cyn between I-5 and the Old Ridge Rte, vicinity of "Osito Flat", a distinctive, open grassy break in slope under the high tension power lines. T6N R17W SE 3/4 sec 7 914 Comment
  POM156355  Chaenactis glabriuscula var. glabriuscula L. R. Abrams 1902-6-9 2503 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC277376  Chaenactis glabriuscula var. glabriuscula E. Braunton 1982-5-25 s.n. Los Angeles Redondo Comment
  RSA93803  Chaenactis glabriuscula var. glabriuscula F. W. Peirson 1919-3-30 4745 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains 457 Comment
  RSA18347  Chaenactis glabriuscula var. lanosa C. B. Wolf 1926-5-1 471 Los Angeles 1 mile east of San Fernando Comment
  JEPS5005  Chaenactis santolinoides Rimo Bacigalupi with G. Thomas Robbins and L. R. Heckard 1953-6-14 4189 Los Angeles So. Fork of Little Rock Creek Canyon San Gabriel Mts., Angeles National Forest (upper slopes, higher n slopes of mts.) 1554 Comment
  UCR206274  Chaenactis santolinoides R. G. Swinney 2008-6-10 8991 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  UCR193693  Chaenactis stevioides R. G. Swinney 1999-4-5 7047 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
  RSA0089517  Chaenactis xantiana R. G. Swinney 2011-4-20 14434 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA709678  Chaenactis xantiana LeRoy Gross 2005-4-28 2171 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
  SEINET11860938  Chaenactis xantiana H. M. Hall 1902-1 3073 Los Angeles Antelope Valley, vicinity of Elizabeth Lake 1067 Comment
  UC520033  Chamaesyce albomarginata Joseph Andorfer Ewan 1932-7-11 7473 Los Angeles Loma Drive, Van Nuys Estate Comment
  SEINET5742466 Image available Chamaesyce albomarginata D. Ward 1970-1 61 Los Angeles City of Los Angeles, ca. .2 mile CSCLA on hillside near State College Dr..; Los Angeles 122 Comment
  RSA432395  Chamaesyce melanadenia E. Crow 1929-2-10 153 Los Angeles Two miles east of Glendora. Comment
  RSA601627  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1967-6-16 9858 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  SBBG130719  Chamaesyce serpyllifolia S. A. Junak 2000-7-1 SCa 1365 Los Angeles LA County Interpretive Center, Avalon 73 Comment
  UCR223562  Cheilanthes covillei R. G. Swinney 2009-6-2 10986 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA749853  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36957 Los Angeles confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  RSA423281  Chenopodium album Dolores Bullock 1931-7-16 s.n. Los Angeles South Main Street, Los Angeles. Comment
  RSA423306  Chenopodium ambrosioides E. Crow 1928-4-11 236 Los Angeles Puddingstone Canyon Hills, S of San Dimas. Comment
  RSA478529A  Chenopodium ambrosioides E. S. Spalding 1923-10-3 s.n. Los Angeles La Canada road Comment
  SEINET10858602  Chenopodium ambrosioides Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2516 Los Angeles City of Pasadena. Farm Fresh Ranch Market, 475 E. Orange Grove Blvd. Comment
  SD90371  Chenopodium atrovirens Robert F. Thorne, J. Dourley 1967-10-10 37342 Los Angeles San Gabriel Mts., Angeles National Forest; Blue Ridge 2255 Comment
  UC1922243  Chenopodium botrys Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1364 Los Angeles Transverse Ranges; Verdugo Mountains region; Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  RSA628619  Chenopodium botrys L. C. Wheeler 1953-11-11 7054 Los Angeles District 5020: Mission road El Sereno. Comment
  SBBG65275  Chenopodium californicum R. Hoffmann 1925-4-19 Los Angeles Antelope Valley to Elizabeth Lake Comment
  SD132643  Chenopodium californicum M. B. Dunkle 1939-4-2 7202 Los Angeles San Clemente Island, southeast Point. Comment
  UCR71243  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4361 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA0110267  Chenopodium fremontii R. G. Swinney 2005-8-17 8494 Los Angeles Valyermo, Devil s Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1402 Comment
  CATA1209  Chenopodium murale Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2265 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  RSA450810  Chenopodium murale A. C. Sanders 1987-12-4 7586 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA782490  Chenopodium murale R. G. Swinney 2009-4-13 10329 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR265526  Chenopodium murale Dan S. Cooper 2015-3-22 315- 23 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. along dirt service road at northern edge of Commonwealth Nursery 250 Comment
  UCR282024  Chenopodium murale R. G. Swinney 2014-5-21 16615 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA151500  Chenopodium murale P. H. Raven 1962-4-10 17182 Los Angeles Near barracks, Wilson Cove, San Clemente Island 61 Comment
  RSA529902  Chenopodium pratericola T. S. Ross 1991-8-16 5808 Los Angeles Colby Canyon 1064 Comment
  CAS-BOT-BC520400  Chondrilla juncea R. E. Riefner, Jr. 2015-7-19 15 -206 Los Angeles Cit of Los Angeles, Elysian Valley, E of Riverside Dr., Los Angeles River Trail, Blake Ave. btween Oros St. and Fernleaf Dr. 93 Comment
  RSA0085098  Chorizanthe coriacea R. G. Swinney 2010-4-23 12377 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  CAS-BOT-BC252765  Chorizanthe parryi var. fernandina Le Roy Abrams 1901-4-1 1337 Los Angeles Chatsworth Park Comment
  SBBG128649  Chorizanthe parryi var. fernandina M. A. Elvin 2003-6-30 2961 Los Angeles Newhall Ranch, W side of Grapevine Mesa, 4 km SW (216 deg ) of intersection of I-5 Fwy and Hwy 126 366 Comment
  CAS-BOT-BC244735  Chorizanthe staticoides Le Roy Abrams 1901-4-3 1274 Los Angeles Santa Monica Mts. 243 Comment
  RSA226228  Chorizanthe staticoides Gary D. Cromwell, David W. Wheat 1971-4-30 621 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora, west-facing slope above lower part of canyon 396 Comment
  UCR121239  Chorizanthe staticoides Steve Boyd, T. S. Ross 1988-4-28 2250 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  UCR125395  Chorizanthe staticoides A. C. Sanders, Mark Elvin 2003-3-5 25744 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  RSA567165  Chorizanthe staticoides subsp. staticoides Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3901 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA601340  Chorizanthe xanti subsp. xanti Steve Boyd, Lauren Raz 1997-6-17 9954 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A. 1646 Comment
  SBBG62289  Chorizanthe xanti var. xanti R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  SFV3822  Chrysanthemum R. L. Armacost Apr 1934 117 Los Angeles Santa Monica. Vacant hillside. Comment
  CDA20157  Chrysanthemum coronarium M. O'Brien 2003-5-18 MOB 18 -03 Los Angeles South Coast; Malibu Lagoon State Beach. 0 Comment
  CAS-BOT-BC36280  Chrysolepis sempervirens Joseph Andorfer Ewan 1936-7-22 9831 Los Angeles Blue Ridge Crest 2377 Comment
  RSA596987  Chrysothamnus nauseosus subsp. mohavensis Steve Boyd, Lauren Raz 1996-9-24 8961 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  RSA188197  Cirsium occidentale var. californicum R. F. Thorne, Percy C. Everett 1965-6-23 35015 Los Angeles Santa Catalina Island, rocky ridge on Hamilton Canyon side N of Descano Canyon 61 Comment
  RSA0070677  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-8 2976 Los Angeles Upper Big Tujunga Canyon: ridge descending northeastward from Barley Flats road toward Big Tujunga Creek (ca. 0.9-1.4 airmiles E of Barley Flats). 1280 Comment
  POM246452  Cirsium occidentale var. occidentale F. R. Fosberg 1931-5-13 4860 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  CAS-BOT-BC292691  Cirsium occidentale var. venustum Timothy S. Ross; Steve Boyd 1994-9-21 8300 Los Angeles Upper west summit area on broad northerly ridge extending n orthward toward Tentrock Canyon dranage, ca. 340-460 m ENE of Sandberg Triangulation Point, Liebre Mountain 1623 Comment
  UCR256457  Cirsium vulgare R. G. Swinney 2010-9-9 13780 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA599783  Cistanthe monandra Steve Boyd, Lauren Raz 1997-3-25 9276 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA165713  Cistanthe monandra Brian C. Miller, W. Griesel 1963-7-2 s.n. Los Angeles Radio Towers, Liebre Mountain. 1768 Comment
  SFV21727  Cistus ladanifer S. Kimball, M. Garrido 1999-5-2 78 Los Angeles San Gabriel Mountains Millard Canyon, on fire road by upper parking lot for trail to Mount Lowe. 700 Comment
  RSA394286  Citrullus lanatus Robert Gustafson 1981-7-15 2331 Los Angeles Ballona Wetlands, Area 2 Comment
  CAS-BOT-BC172434  Clarkia bottae Raymond J. Dobbs 1927-5-26 s.n. Los Angeles Loner Arroyo Comment
  LA210158  Clarkia bottae Mark A. Elvin; Tarja Sagar 2013-5-31 7155 Los Angeles Santa Monica Mountains, Malibu Canyon, Malibu Canyon Road S of tunnel 137 Comment
  CHSC35817  Clarkia cylindrica Philip A. Silverstone 1981-5-17 528 Los Angeles Santa Monica Mountains; Malibu Creek State Park; Mulholland Hwy 2.4 km E Las Virgenes Rd. 210 Comment
  UCD104475  Clarkia cylindrica Daryl Koutnik 1978-6-3 511 Los Angeles Mulholland Highway, east of Old Topanga Canyon and across from Calabasas High School. 304 Comment
  LA32201  Clarkia cylindrica subsp. cylindrica Peter H. Raven; Henry J. Thompson 1959-5-5 14119 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage 274 Comment
  SBBG127072  Clarkia cylindrica subsp. cylindrica A. Parikh, N. Gale 2011-6-17 3480 Los Angeles Aliso Cyn, just W of Angeles Forest Hwy, 0.5 km S of Aliso Cyn Rd; San Gabriel Mtns 1285 Comment
  UC1536830  Clarkia dudleyana Gordon H. True Jr. 1938-6-22 889 Los Angeles near Bouquet Dam; Bouquet Canyon 609 Comment
  UCR150625  Clarkia dudleyana Scott D. White 1997-5-8 5075 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  CAS-BOT-BC172013  Clarkia epilobioides Geo. B. Grant 1910-4-1 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  RSA448267  Clarkia epilobioides M. B. Dunkle 1929-4-21 2141 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  RSA610410  Clarkia epilobioides R. S. Woglum 1930-5-10 s.n. Los Angeles Western Transverse Ranges: San Fernando Valley. North Hollywood. Comment
  RSA712174  Clarkia purpurea A. C. Sanders, T. B. Salvato 2005-5-24 30275 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area. ca. 0.5 mi. NW of community of Mint Canyon 549 Comment
  UCR189412  Clarkia purpurea R. G. Swinney 1998-5-25 6149 Los Angeles San Gabriel Valley, Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  UCR252058  Clarkia purpurea Dan S. Cooper 2013-4-22 413- 64 Los Angeles Western Transverse Range; Hollywood Hills, Griffith Park area, clay lens at end of Primera Ave., western edge of park 244 Comment
  CAS-BOT-BC164871  Clarkia rhomboidea Le Roy Abrams; E. A. McGregor 1908-6-19 341 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA697028  Clarkia rhomboidea LeRoy Gross, P. Morton 2004-6-9 1344 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  RSA659472  Clarkia unguiculata J. C. Roos 1947-5-17 3626 Los Angeles Placerita Canyon east of Newhall. Comment
  SEINET10492173  Clarkia unguiculata Tim Holtsford 1992-5-31 Holtsford 920531 -1-B Los Angeles Mandeville canyon rd, just n and across the st from 3676 canyon rd. Coastal Sage-scrub with oaks, sycamores, elderberry, many cultivars. Comment
  RSA784350  Claytonia exigua Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 13 Los Angeles road 7N23 turn from road 7N08 Comment
  RSA0116187  Claytonia parviflora R. G. Swinney 2011-5-16 14745 Los Angeles San Gabriel Mountains; Camp Colby (Colby Ranch), 1.18 mi. at 73 deg SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp. 1375 Comment
  UCR192163  Claytonia parviflora A. C. Sanders 2008-4-18 34966 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  UCR276947  Claytonia parviflora R. G. Swinney 2010-5-21 12853 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA317205  Claytonia parviflora subsp. utahensis Michael C. Long, J. E. Long 1974-3-23 s.n. Los Angeles Devil s Punchbowl County Park Comment
  RSA0094555  Claytonia parviflora subsp. viridis Richard G. Swinney 2011-6-6 15008 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  UCR223591  Claytonia parviflora subsp. viridis R. G. Swinney 2009-6-8 11081 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  CAS-BOT-BC439917  Claytonia perfoliata subsp. intermontana Alice Eastwood 1919-5-29 8974 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC439963  Claytonia perfoliata subsp. mexicana John I. Carlson 1918-4-24 s.n. Los Angeles Country adjacent to Los Angeles. Griffith Park Comment
  CAS-BOT-BC443733  Claytonia rubra subsp. rubra Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  CAS-BOT-BC91376  Clematis lasiantha John Thomas Howell 1928-3-4 3372 Los Angeles Santa Monica Mountains, northeast of Pacific Palisades. Comment
  RSA0022365  Clematis lasiantha Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5119 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR179265  Clematis lasiantha R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  RSA386264  Clematis ligusticifolia Ora M. Clark 1929-10-14 1210 Los Angeles Along San Antonio River. Comment
  RSA702214  Clematis ligusticifolia Scott D. White 2004-8-20 10739 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-BC423111  Cleomella obtusifolia Ernest C. Twisselmann 1970-9-8 17497 Los Angeles Mojave Desert. Antelope Valley: Avenue A at 30th Street West 739 Comment
  SEINET10472089  Clivia miniata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4840 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
  POM187467  Cnicus benedictus L. C. Wheeler 1933-6-24 1879 Los Angeles Tujunga (Town) 533 Comment
  SD230297  Collinsia heterophylla Louis C. Wheeler 1968-5-24 Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1250 Comment
  LA104164  Collinsia parryi T. Thomas; April 1981 323 Los Angeles SANTA MONICA MOUNTAINS, Stokes Canyon, at ranger's residence. 228 Comment
  CAS-BOT-BC59724  Comarostaphylis diversifolia subsp. planifolia Brandegee 1889-1-1 12 Los Angeles Santa Catalina Island. Comment
  JEPS87557  Constancea nevinii S. Boyd, O. Mistretta, L. Arnseth, B. O'Brien, T. Hayduk 1995-8-29 Los Angeles San Clemente Island, bottom of Middle Ranch Canyon 53 Comment
  SBBG11591  Constancea nevinii P. H. Raven 1962-7-12 18024 Los Angeles near point at E end of Northwest Harbor 30 Comment
  SD249133  Constancea nevinii Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas. 2000-7-19 2184 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  SD48939  Constancea nevinii Reid Moran 1958-9-15 6820 Los Angeles San Clemente Island, canyon 1.8 miles southeast of Eel Point. 99 Comment
  UC557740  Convolvulus simulans Nell Murbarger April, 1936 125 Los Angeles San Clemente Island; s end Comment
  POM355830  Conyza bonariensis F. R. Fosberg 1930-7-7 3154 Los Angeles Alamitos Bay. 2 Comment
  PASA92  Cordylanthus rigidus Frank W. Peirson 1918-8-6 Los Angeles Mt. Wilson Toll Road, San Gabriel Mts., 2850ft 868 Comment
  UCR256569  Cordylanthus rigidus subsp. setiger Anuja Parikh, Nathan Gale 2011-6-27 3510 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, just north of Shortcut Station, 0.6 km north of State Hwy 2, Angeles Crest Hwy 1285 Comment
  RSA716517  Coreopsis bigelovii Scott D. White, Pam De Vries 2006-5-10 11441 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SEINET3146395  Coreopsis bigelovii E. K. Balls, Lenz, LW 1950-3-28 14463 Los Angeles 1 mi. E of jct. of Hwys. 99 & 138, just S of Gorman 1158 Comment
  UC761896  Coreopsis bigelovii R. F. Hoover 1938-4-16 3120 Los Angeles near Bailey's; Upper Antelope Valley Comment
  UC33135  Coreopsis californica var. californica Dr. A. Davidson 1890-1 Los Angeles Los Angeles Comment
  RSA232206  Coreopsis gigantea James Henrickson 1969-4-10 4210 Los Angeles 8 miles W of Malibu along Sandstone cliff E of Pacific Coast Hwy at Zuma Beach. 3 Comment
  CAS-BOT-BC105721  Corethrogyne filaginifolia Le Roy Abrams 1901-8-15 2177 Los Angeles Ballona Harbor Comment
  POM57995  Corethrogyne filaginifolia var. filaginifolia L. R. Abrams 1902-8-27 2981 Los Angeles Edges of sand dunes, Playa del Rey Comment
  RSA93104  Corethrogyne filaginifolia var. filaginifolia F. W. Peirson 1918-9-15 229 Los Angeles summit of Lukens Peak Comment
  CAS-BOT-BC212117  Cornus sericea A. J. McClatchie 1893-9-7 471 Los Angeles Catalina Comment
  CATA1392  Cortaderia selloana Mark L. Hoefs, Steven A. Junak, Allan Fone 1995-11-8 2530 Los Angeles Santa Catalina Island: Below airport runway, by Buffalo Springs Reservoir 438 Comment
  LA201786  Cotoneaster lacteus Arthur C. Gibson; 2003-9-3 4846 Los Angeles 167 Comment
  RSA533452  Crassula connata var. erectoides Tim Ross 1991-4-21 4542 Los Angeles Whittier Hills (Puente Hills, pro parte): ridge on N side of Turnbull Canyon 305 Comment
  UC165377  Crassula connata var. eremica unknown 1905-4-19 1295 Los Angeles Garvanza Comment
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Nov 25 2011
  POM293339  Croton californicus var. tenuis Lyman Benson 1947-4-29 12346 Los Angeles Indian Hill, Claremont. Drainage Area: Pacific Slope 427 Comment
  UCR95272  Croton setiger L. C. Wheeler 1970-8-2 s.n. Los Angeles San Gabriel Mtns, Henninger Flats 793 Comment
  SEINET3926250  Crypsis schoenoides Timothy S. Ross, Steve Boyd 1994-9-21 8329 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 100 m W of the Cow spring Canyon drainage. Liebre Mountain 7.5' USGS Quadrangle.; 0 1149 Comment
  UCR256174  Cryptantha R. G. Swinney 2010-6-4 13062 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
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Dec 7 2018
  UC1601672  Cryptantha cinerea var. abortiva P. A. Munz 1923-4-9 6661 Los Angeles e coast of San Clemente Island San Clemente Island Comment
  RSA717215  Cryptantha circumscissa Scott D. White, Pam De Vries 2006-5-10 11434 Los Angeles St Tehachapi: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  LA36511  Cryptantha clevelandii Peter H. Raven; Henry J. Thompson 1960-4-12 15033 Los Angeles 365 Comment
  RSA0031374  Cryptantha clevelandii Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9480 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  SEINET4206986  Cryptantha clevelandii K. Dobry 1992-1 d 1112 Los Angeles South end of Las Virgenes Reservoir at the south end of Lindero Canyon, city of Westlake, Santa Monica Mountains.; 0 Comment
  POM368357  Cryptantha clevelandii var. florosa M. B. Dunkle 1928-3-31 1763 Los Angeles Little Harbor, Santa Catalina Island. Comment
  RSA756623  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2008-4-17 2483 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  RSA0118874  Cryptantha flaccida A. C. Sanders 2006-4-25 32165 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. 960 Comment
  CHSC95537  Cryptantha intermedia LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 235 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. Open ridgetop, on trail up out of canyon and going to the crest following a ridge running northwest from the crest. 548 Comment
  JEPS67675  Cryptantha intermedia Frank W. Peirson 1919-5-10 402 Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  RSA191109  Cryptantha intermedia R. F. Thorne, M. Z. Thorne 1967-6-25 37095 Los Angeles Between Cobal and Evey Canyons; 731 Comment
  RSA603552  Cryptantha intermedia Sara L. Crockett, Mark Hoefs, Steven A. Junak, Janet Takara 1997-3-28 621 Los Angeles Santa Catalina Island. N side of Cherry Harbor, overlooking mud flats, 20-30m upslope 43 Comment
  RSA783417  Cryptantha intermedia J. D. Olmsted 1958-3-7 23 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern end of county 366 Comment
  UC1052925  Cryptantha intermedia Peter H. Raven 1956-6-17 9419 A Los Angeles nw of Sunset Boulevard (at Sepulveda Boulevard); Santa Monica Mountains Comment
  UCR73414  Cryptantha intermedia T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5263 Los Angeles Channel Islands, San Clemente Island, W fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft. north of Rest [1336 ft.] marker & 1800 ft. SE of Malo Knoll [1396']. Upper portion of drainage 305 Comment
  POM368265  Cryptantha intermedia M. B. Dunkle 1939-4-4 7260 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  POM316870  Cryptantha intermedia var. intermedia L. R. Abrams 1901-04 1203 Los Angeles Ballona Harbor Comment
  SD39883  Cryptantha intermedia var. johnstonii Edith A. Purer 1933-5-30 4997 Los Angeles Playa del Rey Comment
  SD230184  Cryptantha micrantha Louis C. Wheeler 1968-5-30 Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. Comment
  LA31584  Cryptantha muricata Henry J. Thompson; 1959-4-12 1928 Los Angeles 304 Comment
  LA94314  Cryptantha muricata Carl Epling; Lincoln Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0120159  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-27 16660 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA0079305  Cryptantha muricata var. jonesii E. A. Purer 1935-5-11 6589 Los Angeles Santa Monica Mts. Comment
  RSA0079345  Cryptantha muricata var. jonesii George B. Grant 1906-6-19 s.n. Los Angeles Summit of Mt. Wilson. 1828 Comment
  RSA0079279  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd 1990-5-31 2751 Los Angeles San Gabriel Mountains: Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  UCR271142  Cryptantha muricata var. muricata R. G. Swinney 2011-6-14 15108 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA0079586  Cryptantha muricata var. muricata H. J. Thompson 1959-4-12 1928 Los Angeles Santa Monica Mountains, 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  HSC104248  Cryptantha nevadensis var. rigida R. G. Swinney 2009-4-24 10454 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA0079048  Cryptantha pterocarya var. pterocarya Ralph Hoffman 1930-4-19 s.n. Los Angeles Lancaster. 712 Comment
  RSA0008569  Cryptantha traskiae Aaron Liston, Mistretta, Loren Rieseberg 1989-4-29 801 -3 Los Angeles San Clemente Island: Main dune area at Darter Road, NW part of the island. Comment
  SBBG31353  Cryptantha wigginsii R. F. Thorne 1966-4-5 35850 Los Angeles above stream in Cottonwood Cyn 106 Comment
  RSA394301  Cucurbita foetidissima G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Del Rey Palisades. Comment
  SEINET11738066  Cupressus macrocarpa Unknown 1942-1 s.n. Los Angeles near Los Angeles Comment
  UCR255472  Cuscuta californica Dan S. Cooper 2014-6-26 614- 30 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., southeastern corner of Griffith Park, slope north of Commonwealth Nursery site, above Vista del Valle Dr. 276 Comment
  UCR150449  Cuscuta indecora R. G. Swinney 1999-6-21 7378 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  JEPS14971  Cycladenia humilis var. venusta I. M. Johnston 1917-7-4 1428 Los Angeles s. slope of Baldy (Hardscramble); San Antonio Mts. 2286 Comment
  UCR24273  Cycloloma atriplicifolium John C. Roos 1937-9-29 s.n. Los Angeles San Gabriel Valley, near the San Gabriel River, in El Monte 91 Comment
  UCR255477  Cyclospermum leptophyllum Dan S. Cooper 2014-6-26 614- 22 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  CDA5328  Cyclospermum leptophyllum T. C. Fuller 1975-6-13 20083 Los Angeles Southeast corner of Hilgard & Le Conte Avenues, Westwood. 0 Comment
  RSA0098340  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2014-11-15 18262 Los Angeles San Gabriel Mountains, Grandview Canyon, 15 km SE of Pearblossum, 40 km north of Pomona. 1460 Comment
  SD31161  Cylindropuntia prolifera Edith A. Purer 1931-8-15 2182 Los Angeles Palos Verdes Hills, steep hillside, south exposure. (IPB 7/07) Comment
  RSA177859  Cynodon dactylon R. F. Thorne, Percy C. Everett 1965-5-10 34511 Los Angeles Near upper end of Gallagher Canyon, Santa Catalina Island. 427 Comment
  RSA623812  Cynodon dactylon Arthur R. Kruckeberg 1939-12-21 s.n. Los Angeles On hills around Occidental College Comment
  SEINET10515485  Cynodon dactylon LeRoy R. Abrams Abrams 1716 Los Angeles Ballena Creek, Mesmer. Comment
  CAS-BOT-BC114728  Cyperus difformis Louis C. Wheeler 1946-9-8 6352 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 518 Comment
  CAS-BOT-BC114632  Cyperus eragrostis Peter H. Raven; Henry J. Thompson 1959-9-6 14407 Los Angeles In dry bed of Malibu Creek near its mouth. Santa Monica Mountains. 12 Comment
  UCR132292  Cyperus eragrostis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  RSA137980  Cyperus eragrostis E. K. Balls 1960-1-25 24018 Los Angeles Grown in Botanic Garden, Claremont. 412 Comment
  RSA604482  Cyperus erythrorhizos L. C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. Comment
  UCR223127  Cystopteris fragilis R. G. Swinney 2009-7-22 11357 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA682457  Datisca glomerata LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1045 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 519 Comment
  UCR43296  Datisca glomerata David Charlton 1986-6-15 273 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
Read comments
Jun 26 2008
  RSA725418  Datura wrightii K. Dobry 1991-5-13 513 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UC1125095  Datura wrightii P. L. Johannsen 1934-3-6 320 Los Angeles 1 1/4 mi s head Ramona Canyon; Santa Susana Quad., s Head of Ramona Canyon Comment
  HSC21243  Datura wrightii C. E. Fellows 1965-9-3 122 Los Angeles 3/10 mi. W of Cold Creek Rd. on Mulholland Rd. Comment
  UCR184111  Daucus pusillus A. C. Sanders, T. B. Salvato 2007-4-24 33501 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  SDSU19661  Deinandra clementina Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas, Mike Walgren 2000-7-19 2189 Los Angeles San Clemente Island, ca. 0.2 mile south from the end of road that runs south from Eel Point. 69 Comment
  CAS-BOT-BC299269  Deinandra fasciculata Louis C. Wheeler 1934-5-14 2586 Los Angeles San Dimas Canyon, San Gabriel Mts. 441 Comment
  UC89082  Deinandra fasciculata M. K. Curran 1885-7-1 Los Angeles Downey Comment
  CAS-BOT-BC299293  Deinandra fasciculata James I. McMurphy 1916-8-7 s.n. Los Angeles Los Angeles side of Liebre Pass Comment
  RSA719128  Deinandra fasciculata Naomi Fraga 2001-5-27 46 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  CAS-BOT-BC9127  Delphinium cardinale Muriel F. Wheeler 1938-7-23 952 Los Angeles San Dimas Canyon Wash, 0.5 mile northeast of San Dimas County Park Comment
  JEPS23355  Delphinium cardinale Frank W. Peirson 1918-6-28 49 Los Angeles foothills e Rubio Canyon (ne of Altadena); Angeles National Forest 609 Comment
  JEPS60615  Delphinium parishii subsp. parishii J. B. Davy 1896-5-17 2485 Los Angeles Antelope Valley Comment
  RSA511320  Delphinium parishii subsp. parishii L. F. LaPre 1988-5-13 s.n. Los Angeles Lake Hughes, 16 miles (airline) W of Lancaster in the San Andreas Rift. 1037 Comment
  SBBG117113  Delphinium parryi subsp. maritimum S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1521 Los Angeles E of Little Harbor, just N of Sheep Chute Ridge Rd, ca. 0.2 mi from jct with Little Harbor Rd, on S side of Big Springs Cyn 79 Comment
  LA200791  Delphinium parryi subsp. parryi Sharon Johnston; 1957-5-14 33 Los Angeles SANTA MONICA MOUNTAINS, Mullholland Dr. 0.5 mi east of Alhama Dr. 396 Comment
  CAS-BOT-BC116419  Delphinium patens subsp. hepaticoideum T. Ross 1992-5-8 6300 Los Angeles San Gabriel Mtns: Glendor Ridge Road; steep northerly slope overlooking Coldwater Canyon to the N; 1246 Comment
  UCR133620  Delphinium patens subsp. hepaticoideum I. W. Clokey, B. C. Templeton 1929-1 4433 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA0030023  Delphinium patens subsp. montanum Walter Wisura 1977-6-17 3679 Los Angeles Below summit of Blue Ridge, San Gabriel Mountains. Comment
  CAS-BOT-BC192747  Deschampsia danthonioides J. Vuillet 1935-11-6 1933 Los Angeles Unspecified Comment
  POM307890  Descurainia pinnata subsp. glabra Henry J. Ramsey, Henry J. Ramsey 1938-4-16 2684 Los Angeles Lancaster Comment
  RSA0119669  Descurainia pinnata subsp. glabra R. G. Swinney 2014-4-30 16264 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA65819  Descurainia pinnata subsp. menziesii F. W. Peirson 1919-1-25 309 Los Angeles Foot of Arroyo Seco Canyon, Pasadena 381 Comment
  UC1871141  Desmazeria rigida T. S. Ross, Janet Takara, M. Gay 1993-4-20 6826 Los Angeles Channel Islands; Santa Catalina Island; Indian Head Rock, SSW of & overlooking, Little Harbor; Santa Catalina North USGS 7.5' quad; near 33 deg. 22'46''N, 118 deg. 28'41''W; elev. ca 260 ft. 79 Comment
  CAS-BOT-BC402263  Dicentra chrysantha F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Alpine Tavern, Mt Lowe. San Gabriel Mountains Comment
  CSUSB1747  Dicentra chrysantha Keith Thompson 1969-11-1 Los Angeles Cedar Springs. 1158 Comment
  SFV20424  Dichelostemma capitatum J. Ingrum 1997-3-6 16 Los Angeles Santa Monica Mountains Mulholland Drive, 400 m east of Reseda Blvd. 500 Comment
  UCR101680  Dichelostemma capitatum B. G. Pitzer 1998-5-23 3752 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR170694  Dichelostemma capitatum Alex R. Van Dam 2004-4-25 036 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  SDSU11587  Dichelostemma capitatum Gerald Collier 1951-3-9 M 90 Los Angeles Faculty Hill; 1/4 mile from UCLA campus on a dry grassy slope. West of Campus. Comment
  UCD139438  Dichelostemma capitatum subsp. capitatum Kenneth A. Wilson 1961-3-1 882 Los Angeles Santa Monica Mtns. Mulholland Hwy. Canyon ca. 1 miles west of Las Viegenes Hwy. Comment
  RSA600886  Digitaria ischaemum L. C. Wheeler 1945-10-30 6164 Los Angeles San Gabriel Mountains. Kinneloa Canyon. 365 Comment
  UCD64006  Digitaria sanguinalis Frank W. Gould 1943-10-10 2160 Los Angeles 1 1/2 miles south of Compton. Comment
  CHSC20788  Diplacus fremontii Robert A. Schlising 1968-4-12 2881 Los Angeles SE of Pearblossim; Fort Tejon Road near 165th Street. Comment
  RSA0036280  Diplacus longiflorus Carol Frazier 1966-5-10 s.n. Los Angeles San Rafael Hills. 213 Comment
  SD30508  Distichlis spicata Edith A. Purer 1931-4-22 2043 Los Angeles Los Angeles River Comment
  POM3603  Dodecatheon clevelandii subsp. clevelandii I. M. Johnston 1917-1-28 Cf. 13783 Los Angeles Mouth of San Antonio Canyon Comment
  UC1080591  Dodecatheon clevelandii subsp. clevelandii E. K. Balls, P. C. Everett, R. Shaw 1958-1-8 22849 Los Angeles 4 mi n Claremont (sw of San Antonio Dam); n of Claremont, sw of San Antonio Dam 579 Comment
  UCR190050  Dodecatheon redolens R. G. Swinney 1998-10-3 7006 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  CAS-BOT-BC41604  Draba corrugata var. corrugata Le Roy Abrams; E. A. McGregor 1908-7-3 610 Los Angeles North Baldy Mountain. San Gabriel Mountains. 2743 Comment
  LA200097  Dryopteris arguta Lawrence L. Kiefer; 1966-4-17 1886 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park, Vista del Valle Dr, ca 0.25 mi E of Mt Hollywood Dr, N of road. 365 Comment
  RSA649986  Dryopteris arguta Shlomo Gat 1959-4-9 s.n. Los Angeles Palmer [Canyon] north [Claremont?] Comment
  SFV14644  Dryopteris arguta S. Jonsson 1989-4-19 s. n. Los Angeles Santa Susana Mountains In Bee Canyon of O'Melveny Park. Upstream of Ranger Station 2.5 miles, next to trail. 490 Comment
  RSA693688  Dryopteris arguta Kenneth A. Wilson, Robert Gustafson 1994-5-13 2413 Los Angeles Santa Monica Mountains national Recreation Area; Upper Franklin Canyon Reservoir Comment
  RSA397811  Dudleya blochmaniae Anstruther Davidson 1896-1 s.n. Los Angeles Santa Monica Canyon Comment
  UCR238635  Dudleya cymosa subsp. pumila Anuja Parikh, Nathan Gale 2010-6-29 3369 Los Angeles Transverse Range; San Gabriel Mountains, ridge north of East Fork Santa Anita Canyon, 2.0 km NE of Clamshell Peak, 1.5 km NW of Rankin Peak 1350 Comment
  RSA397772  Dudleya lanceolata E. S. Spalding 1923-5-1 s.n. Los Angeles Los Angeles vicinity Comment
  RSA397777  Dudleya lanceolata Thomas Moore 1947-4-15 16 Los Angeles El Segundo sand dunes. Comment
  SD82939  Dudleya multicaulis C. W. Tilforth 1971-5-30 381 Los Angeles Johnson's Pastures; hills north of Claraboya, Claremont. Comment
  SBBG41338  Dudleya virens M. R. Benedict 1970-6-27 Los Angeles ca. 0.5 mi W of Eagles Nest Comment
  CAS-BOT-BC109728  Dudleya virens subsp. insularis Reid Moran 1941-5-27 874 Los Angeles Ocean bluff 0.25 mile east of Point Vincente. 20 Comment
  RSA0049477  Echinochloa crus-galli Richard G. Swinney 2010-8-16 13526 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  CAS-BOT-BC112854  Eleocharis macrostachya George B. Grant 1904-7-14 s.n. Los Angeles East Lake Reservoir, Los Angeles. Comment
  UC1922874  Eleocharis macrostachya Scott D. White, Pam DeVries 2006-5-9 11407 Los Angeles SE Tehachapi Mountains: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy, and SW of Gorman Post Rd. Lebec 7.5' Quad. Comment
  RSA596096  Eleocharis palustris Mark Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2432 Los Angeles Santa Catalina Island: Lower Buffalo Springs Reservoir. 427 Comment
  SEINET3911378  Eleocharis parishii Louis C. Wheeler 1961-6-9 7847 Los Angeles San Gabriel Mountains. Mouth of Alder Creek, off big Tujunga Canyon.; 0 1052 Comment
  SEINET4889551  Elodea canadensis L. C. Wheeler 1933-12-13 2325 Los Angeles San Gabriel Mts., San Dimas Canyon Dam 411 Comment
  UCR232366  Elymus cinereus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8003 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, along east side of Sierra Highway, 250 m south of Avenue D 701 Comment
  SEINET3929483  Elymus condensatus Steve Boyd, L. Raz 1997-5-6 9765 Los Angeles Liebre Mountains Region: Fish Canyon just upstream from the confluence with Castaic Creek.; 0 500 Comment
  CAS-BOT-BC227505  Elymus elymoides Roxana S. Ferris 1918-6-12 934 Los Angeles 5 miles south of Lancaster Comment
  RSA600141  Elymus elymoides subsp. elymoides Steve Boyd, Lauren Raz 1997-5-29 9922 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  UC1714548  Elymus elymoides subsp. elymoides I. M. Johnston 1917-8-23 1635 Los Angeles Pine Mt. Ridge San Antonio Mountains 2499 Comment
  RSA188521  Elymus glaucus subsp. glaucus R. F. Thorne, John Olmsted 1965-8-26 35385 Los Angeles San Gabriel Mountains: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  RSA225682  Elymus glaucus subsp. glaucus R. F. Thorne, A. C. Gibson 1971-5-22 39727 Los Angeles San Gabriel Mountains, Angeles National Forest: Fish Canyon 274 Comment
  RSA584482  Elymus glaucus subsp. glaucus Timothy S. Ross 1992-5-24 6418 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 464 Comment
  UCR271251  Elymus glaucus subsp. glaucus R. G. Swinney 2011-6-1 14973 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  RSA573744  Elymus glaucus subsp. jepsonii Timothy S. Ross 1992-7-17 6727 Los Angeles San Gabriel Mountains: W of the summit of Condor Peak. 1588 Comment
  RSA608837  Elymus glaucus subsp. jepsonii L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  UCR223260  Elymus hispidus R. G. Swinney 2009-8-25 11468 Los Angeles Transverse Range; San Gabriel Mtns., west summit of Table Mountain, NE of Big Pines 2291 Comment
  UC1133047  Elymus multisetus H. A. Jensen 1933-5-18 302 Los Angeles opposite mouth of Aliso Canyon; Tujunga Quadrangle Comment
  SEINET6654717  Elymus triticoides R. G. Swinney 2005-7-8 8277 Los Angeles San Gabriel Mountains, Juniper Hills, O.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road.; 0 1216 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
  CDA40327  Emmenanthe penduliflora Phillipson 1915-4-28 4 .1.A Los Angeles Monrovia. Comment
  SBBG12895  Encelia californica E. R. Blakley 1962-10-4 5409 Los Angeles SE side of the Isthmus Cove, near beach 1 Comment
  UCD133041  Ephedra californica Sherwin Carlquist 1965-4-22 1700 Los Angeles 11 miles east of Palmdale. Comment
  UC1175015  Ephedra californica E. K. Balls 1959-5-28 23817 Los Angeles Rancho Santa Botanic Garden Claremont, Rancho Santa Botanic Garden Comment
  RSA383905  Ephedra nevadensis Robert Gustafson, Christopher Davidson 1977-4-20 424 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  UCR182761  Epilobium R. G. Swinney 1997-7-23 5733 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR179278  Epilobium canum R. G. Swinney 1989-8-5 s.n. Los Angeles San Gabriel Mtns., base of the mtns. near the city of Glendora; Glendora Ridge Motorway, 0.5 mi west of Glendora Mountain Rd. 732 Comment
  CAS-BOT-BC166219  Epilobium canum subsp. canum F. Grinnell Jr. 1917-8-12 s.n. Los Angeles Big Santa Anita [Canon] Canyon, San Gabriel Mountains 1127 Comment
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Jul 25 2017
  RSA544534  Epilobium canum subsp. canum Tim S. Ross, E. Kellogg 1992-4-22 6131 Los Angeles San Clemente Island; 99 E, 640m distance from Vista (point), near the head of Grove Canyon. 419 Comment
  RSA588402  Epilobium canum subsp. canum G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  RSA754090  Epilobium canum subsp. canum Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1804 Los Angeles San Gabriel River Main Stem, Pejos Canyon near USGS marker el. 1974; cliff next to road on south side of bridge. 602 Comment
  SJSU13323  Epilobium canum subsp. canum C. W. Sharsmith 1946-10-18 5497 Los Angeles N slope Santa Monica Mts near Beverly Glen 304 Comment
  UC107737  Epilobium canum subsp. canum J. W. Toumey 1894-9-15 Los Angeles Catalina Island Comment
  RSA228967  Epilobium canum subsp. latifolium Robert F. Thorne 1971-8-25 41327 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip. 2256 Comment
  RSA530051  Epilobium canum subsp. latifolium Tim S. Ross 1991-8-16 5840 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA588407  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-8-29 s.n. Los Angeles Mt. Waterman Ridge. Comment
  CHSC34421  Epilobium ciliatum subsp. ciliatum Philip A. Silverstone 1978-8-20 315 Los Angeles Jtn Maguire and Escondido Sts., 0.3 km from jtn Maguire and Latigo Canyon Rd., which is 4.8 km inland from State 1. Along small creek. Comment
  POM187764  Epilobium ciliatum subsp. ciliatum Thomas Craig 1933-10-9 2016 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  POM3146  Epilobium ciliatum subsp. ciliatum L. R. Abrams 1900-8-10 873 Los Angeles San Gabriel River Canyon. Comment
  RSA0011364  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Youssef Atallah 2011-8-12 6025 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. 1083 Comment
  UC56456  Epilobium ciliatum subsp. ciliatum Ernest Braunton June 1902 496 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  UC535042  Epilobium densiflorum Victor Duran 1933-7-10 3511 Los Angeles Sulphur Springs San Gabriel Mts. 1524 Comment
  UCD106286  Epilobium densiflorum David Charlton 1989-6-10 3214 Los Angeles Tehachapi Mtns., Tejon Pass. Gorman Post Road, 1 mile SE of Gorman. 1097 Comment
  RSA792096  Epipactis gigantea Jane Tirrell, Shirley Imsand, Walter Fidler 2012-7-6 LS 0096 Los Angeles South side California State Route 2 near mile marker 67.7 2311 Comment
  RSA0127008  Epipactis gigantea Louis C. Wheeler 1967-7-15 10018 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  UC1870338  Equisetum hyemale subsp. affine LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 719 Los Angeles [Transverse Ranges; Verdugo Mountains region]; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 576 Comment
  POM18108  Equisetum laevigatum P. A. Munz 1923-5-25 6815 Los Angeles Big Rock Creek, San Gabriel Mts. Wash among willows. 1280 Comment
  RSA0072152  Equisetum laevigatum Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  RSA756781  Equisetum laevigatum Orlando Mistretta, Christine Mistretta 2008-4-29 2541 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  RSA305032  Equisetum laevigatum R. L. Armacost 1968-5-14 2384 Los Angeles Santa Monica Mtns, behind Topanga Stove. Comment
  CAS-BOT-BC57800  Equisetum telmateia Carl B. Wolf 1932-5-12 3607 Los Angeles Santa Catalina Island. Middle Ranch Canyon, near bridge on lower road to isthmus. 30 Comment
  SBBG131700  Equisetum telmateia subsp. braunii S. A. Junak 1999-9-10 SCa 1096 Los Angeles Middle Ranch Cyn, inland from Ben Weston Beach (Mills Landing) 91 Comment
  RSA640965  Equisetum telmateia var. braunii L. C. Wheeler 1931-7-12 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon. Comment
  POM50294  Equisetum telmateia var. braunii L. R. Abrams 1901-4-5 1352 Los Angeles San Fernando Mtns. Comment
  RSA608939  Equisetum telmateia var. braunii L. C. Wheeler 1931-6-21 s.n. Los Angeles Base of San Gabriel Mountains: Live Oak Canyon. Comment
  RSA608693  Eragrostis curvula L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 822 Comment
  CAS-BOT-BC204584  Eragrostis mexicana subsp. virescens Peter H. Raven; Henry J. Thompson 1959-10-31 14721 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W). Mandeville Canyon just north of Sunset Boulevard 167 Comment
  UCR194154  Eremalche exilis A. C. Sanders 2008-4-13 34879 Los Angeles Western Mojave Desert, Antelope Valley, northeastern Palmdale, Ave. 'O' at 90th St. East 786 Comment
  SEINET8409243  Eremogone macradenia R. F. Thorne, M. Z. Thorne 1969-7-9 38497 Los Angeles San Gabriel Mts., Angeles National Forest; summit of Tabel Mt. 2134 Comment
  CAS-BOT-BC174382  Eremogone macradenia var. arcuifolia Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8123 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
  CHSC3693  Eriastrum Mary Mac Arthur 1966-5-12 14 Los Angeles Low Rafael Hills-Glendale College. Comment
  SEINET3096760 Image available Eriastrum densifolium Barbara Ertter, Jeffrey L. Strachan 1979-6-29 3009 Los Angeles Angeles National Forest; N edge ca 9 airmile ESE of Pearblossom, 1.7 mi N of Mile High on County Hwy N4. 1460 Comment
  RSA0139147  Eriastrum densifolium subsp. austromontanum Sarah J. De Groot 2005-6-30 5106 Los Angeles San Gabriel Mountains, Angeles National Forest (permit FS-2400-8(2/98)): Along Table Mountain Road, near Big Pines. 2183 Comment
  SD65477  Eriastrum densifolium subsp. austromontanum Reid Moran 1967-7-22 14090 Los Angeles Canyon south of Chilao, San Gabriel Mountains. 1550 Comment
  RSA0110982  Eriastrum sapphirinum subsp. brevibracteatum T. S. Ross, S. D. Boyd 1990-5-29 2687 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  CAS-BOT-BC514987  Eriastrum sapphirinum subsp. dasyanthum Ynez Whilton Winblad 1937-6-26 s.n. Los Angeles Ridge Route, northern part of county Comment
  UCR209908  Ericameria cuneata R. G. Swinney 2008-7-24 9285 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  LA82942  Ericameria linearifolia O. H. Kappler; 1945-4-20 734 Los Angeles Gorman, Hiway 99 975 Comment
  RSA0091519  Ericameria linearifolia R. G. Swinney 2010-5-12 12723 Los Angeles Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  UC1536848  Ericameria linearifolia G. H. True Jr. 1935-3-28 184 Los Angeles w Littlerock 914 Comment
  SBBG62956  Ericameria nauseosa var. hololeuca R. Hoffmann 1929-10-27 Los Angeles Mint Cyn, near Acton Comment
  RSA620013  Ericameria palmeri var. pachylepis LeRoy Gross 1998-11-15 100 Los Angeles Santa Susana Mountains.: North on Interstate 5, exit Calgrove, west to old road, south to Towsley Canyon. City of Newhall. 426 Comment
  UCR143332  Ericameria parishii Anstruther Davidson 1916-1 3146 Los Angeles San Gabriel Mtns, La Crescenta [between Verdugo Mtns and San Gabriel Mtns] 610 Comment
  CAS-BOT-BC131657  Ericameria parishii var. parishii Geo. L. Moxley 1914-9-7 275 a Los Angeles Trail to Switzer's camp, ridge above [Arroya] Arroyo Seco Comment
  RSA517168  Ericameria pinifolia Timothy S. Ross, Orlando Mistretta 1990-10-9 3266 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest. 1457 Comment
  UC527729  Ericameria teretifolia C. B. Wolf 1931-11-2 Los Angeles 1 mi above point where road from Action joins Highway; Mint Canyon 975 Comment
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Jul 2 2014
  CAS-BOT-BC294821  Erigeron breweri var. covillei Clare B. Hardham 1959-6-16 4870 Los Angeles Between Pear Blossom and Llano Comment
  UCD131746  Erigeron breweri var. jacinteus Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2103 Comment
  SBBG95449  Erigeron canadensis M. B. Dunkle 1928-10-7 2002 Los Angeles Middle Ranch Cyn 167 Comment
  POM183633  Erigeron foliosus Joseph A. Ewan 1929-6-22 3438 Los Angeles Santa Monica Mtns: Rodgers Canyon. Comment
  JEPS41486  Erigeron foliosus var. foliosus Frank W. Peirson 1918-7-13 231 Los Angeles Santa Anita San Gabriel Mts., Santa Anita 914 Comment
  LA105048  Erigeron foliosus var. foliosus Barry A. Prigge; 1988-7-3 8182 Los Angeles Santa Monica Mountains, ca 0.4 mi E of junction of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School track 316 Comment
  LA200193  Erigeron foliosus var. foliosus Jonathan Sauer; David McJunkin 1977-5-29 5977 Los Angeles Santa Monica Mountains, Tuna Canyon, nonspecific Comment
  POM305740  Erigeron foliosus var. foliosus Henry J. Ramsey, Henry J. Ramsey 1937-6-27 914 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  CHSC14154  Eriodictyon crassifolium L. M. Mayer 1974-4-5 121 Los Angeles On Big Tujunga Canyon Rd. ca 1/2 mi ne of its junction with Mt. Gleason Blvd. Comment
  LA205562  Eriodictyon crassifolium Carl Epling; May 1925 sn Los Angeles Arroyo Seco Comment
  RSA455009  Eriodictyon crassifolium var. nigrescens Martha Hilend 1928-4-27 s.n. Los Angeles 8 miles west of Elizabeth Lake. Comment
  CAS-BOT-BC188959  Eriodictyon parryi Le Roy Abrams 1901-7-10 1888 Los Angeles Wilsons Peak 1767 Comment
  CAS-BOT-BC188962  Eriodictyon parryi A. D. E. Elmer 1902-6-1 3643 Los Angeles Mount Gleason, Acton Comment
  UCR206270  Eriodictyon trichocalyx R. G. Swinney 2008-6-10 9015 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  RSA0091531  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2011-6-14 15127 Los Angeles Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UC24059  Eriodictyon trichocalyx var. trichocalyx Harley P. Chandler 1897-5-11 Los Angeles Claremont 426 Comment
  RSA0020546  Eriodictyon trichocalyx var. trichocalyx Mildred R. Solomen 1931-7-12 s.n. Los Angeles Mt. Wilson. Comment
  UCR127629  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UCR127670  Eriogonum angulosum Mark A. Elvin, Kim Marsden 2003-8-8 2970 B Los Angeles Santa Clarita Valley, Newhall Ranch, SW face of Potrero Mesa 305 Comment
  UCR54652  Eriogonum angulosum S. J. Myers 1988-9-30 s.n. Los Angeles Western Mojave Desert, Palmdale area, north of Elizabeth Lake Road, near the intersection with 25th St. West 841 Comment
  RSA608832  Eriogonum baileyi var. baileyi Louis C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Soledad Canyon, Santa Clara River. 530 Comment
  RSA203443  Eriogonum baileyi var. baileyi E. C. Twisselmann 1955-8-10 2331 Los Angeles Upper Castaic Valley. 1227 Comment
  RSA522438  Eriogonum baileyi var. baileyi Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4013 Los Angeles San Gabriel Mountains, Angeles National Forest: NE of Tie Summit Station and E of Angeles Forest Hwy. Tujunga Ranger District. 1488 Comment
  SBBG61858  Eriogonum brachyanthum P. A. Munz, I. M. Johnston 1928-9-4 11166 Los Angeles ca. 2 mi E of Palmdale 1005 Comment
  OBI34897  Eriogonum cinereum David J. Keil 1983-8-23 17873 Los Angeles Just W of Leo Carillo State beach along hwy 1, ca. 1 mi E of Ventura County line Comment
  RSA393148  Eriogonum cinereum Anstruther Davidson 1891-07 s.n. Los Angeles Santa Monica Canon. [Canyon] Comment
  RSA393153  Eriogonum cinereum G. J. Hollenberg 1928-7-25 s.n. Los Angeles Near Santa Monica. Mouth of Topanga Canyon Comment
  UCD105103  Eriogonum cinereum M. Vincent 1962-12-5 311 Los Angeles Santa Monica Mountains, Mulholland Highway one mile east of Las Virgenes Road. Comment
  POM18999  Eriogonum cithariforme var. agninum P. A. Munz 1923-8-31 7675 Los Angeles San Gabriel Mountains: ridge south of Swartout Valley 2591 Comment
  UCR127674  Eriogonum cithariforme var. agninum Mark A. Elvin 2003-5-25 2927 A Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage 595 Comment
  RSA393176  Eriogonum davidsonii Roy R. Snelling 1977-4-18 10 Los Angeles 2 miles south of Pearblossom. 1067 Comment
  RSA766426  Eriogonum elongatum F. R. Fosberg, Joseph A. Ewan 1931-8-13 4945 Los Angeles Pine Flats. N Fork San Gabriel River. 1677 Comment
  RSA587495  Eriogonum elongatum var. elongatum Orlando Mistretta 1994-9-13 1471 Los Angeles San Gabriel Mountains: Santiago canyon. Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1189 Comment
  SBBG62027  Eriogonum elongatum var. elongatum R. Hoffmann 1928-7-7 Los Angeles 5 mi W of Castaic Comment
  OBI56223  Eriogonum fasciculatum Clinton C. Shock 1980-6-16 139 Los Angeles I-5, 0.4 mi NW of Tejon Pass Comment
  RSA393508  Eriogonum fasciculatum Richard Arnold 1983-8-10 1022 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Area V3. 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
  RSA393417  Eriogonum fasciculatum var. foliolosum F. R. Fosberg 1930-7-3 S 3038 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR141370  Eriogonum fasciculatum var. polifolium R. G. Swinney 1997-8-19 5819 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  CAS-BOT-BC253446  Eriogonum gracile Le Roy Abrams 1902-7-5 2953 Los Angeles San Gabriel Wash near Azusa Comment
  RSA717789  Eriogonum gracile var. gracile R. G. Swinney, Dave Larson 1996-7-17 5123 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  SBBG28224  Eriogonum heermannii C. B. Wolf 1931-11-8 2629 Los Angeles Big Rock Crk, 0.125 mi below Big Rock Ranger Stn 1066 Comment
  SEINET7042259  Eriogonum microthecum A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  UCR205254  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2005-8-17 8493 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
  RSA522440  Eriogonum nudum var. pauciflorum Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4011 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  LA30859  Eriogonum parvifolium Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 Los Angeles Point Dume Comment
  CAS-BOT-BC258234  Eriogonum pusillum Roxana S. Ferris 1918-6-12 897 Los Angeles R.R. embankment between Oban and Lancaster Comment
  RSA0073265  Eriogonum pusillum Orlando Mistretta, Christine Mistretta 2005-4-21 2070 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA292457  Eriogonum roseum James Henrickson 1972-11-2 8087 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. 372 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
  SD108955  Eriogonum roseum James Henrickson 1972-11-2 8087 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at Mc Bean Parkway near Orchard Village Rd. 372 Comment
  RSA602322  Eriogonum saxatile Steve Boyd, Lauren Raz 1997-6-17 9938 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  RSA229110  Eriogonum saxatile Robert F. Thorne, C. W. Tilforth 1971-6-30 40743 Los Angeles San Gabriel Mountains, Angeles National Forest: ca. 0.5 mi. N of Chilao Station on W slopes of Mt. Hillyer 1585 Comment
  RSA0011355  Eriogonum thurberi Orlando Mistretta, Youssef Atallah 2011-8-12 6014 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  CAS-BOT-BC268171  Eriogonum umbellatum var. minus Le Roy Abrams 1901-7-1 1930 Los Angeles Mt. San Antonio 3048 Comment
  RSA0099412  Eriogonum umbellatum var. minus R. G. Swinney 2011-8-5 15593 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
  RSA601842  Eriogonum umbellatum var. munzii Steve Boyd, Tim S. Ross, Laura Moore, Valerie Soza 1997-7-8 10014 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site. 1585 Comment
  UC1375407  Eriogonum umbellatum var. munzii Robert F. Thorne 1969-7-2 38343 b Los Angeles above Vincent Gap (on Angeles Crest Hwy.); San Gabriel Mts., Angeles National Forest 2011 Comment
  CAS-BOT-BC264996  Eriogonum wrightii var. subscaposum Carl B. Wolf 1932-8-11 4006 Los Angeles 8 mi. below Big Pines Park on road to Little Rock, No. slope of San Gabriel Mts. 1371 Comment
  RSA800513  Eriogonum wrightii var. subscaposum Jane Tirrell 2012-8-20 LS 0157 Los Angeles On crest of ridge above Pacific Crest Trail, approx. 0.75 miles east of Windy Gap. 2517 Comment
  POM4920  Eriophyllum confertiflorum M. Hitchcock 1918-7-3 36 Los Angeles Topango [Topanga] Canyon, Santa Monica Mountains. Comment
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May 29 2014
  POM49707  Eriophyllum confertiflorum L. R. Abrams 1901-4-3 1264 Los Angeles Santa Monica Mountains. Comment
  RSA0062562  Eriophyllum confertiflorum R. G. Swinney 2010-4-15 12271 Los Angeles Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 695 Comment
  RSA482518  Eriophyllum confertiflorum var. confertiflorum Richard Noyes, L. Arnseth 1988-4-30 502 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
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Sep 17 2014
  RSA587232  Eriophyllum confertiflorum var. confertiflorum Orlando Mistretta 1994-5-11 1178 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  RSA651117  Eriophyllum confertiflorum var. confertiflorum Shlomo Gat 1959-5-15 53 Los Angeles San Dimas [Canyon] Comment
  UC468940  Eriophyllum confertiflorum var. confertiflorum C. F. Millspaugh 1919-12-6 4486 Los Angeles vicinity of Avalon; Santa Catalina Island Comment
  SBBG61087  Eriophyllum pringlei R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UCR276785  Eriophyllum pringlei R. G. Swinney 2011-4-1 14304 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA587108  Eriophyllum pringlei Orlando Mistretta 1995-4-21 1625 Los Angeles San Gabriel Mts., Little Rock Creek, Unnamed Canyon draining the west slopes of Little Rock Creek Canyon 0.5 mile North of Kitter Canyon. 1037 Comment
  RSA0088589  Eriophyllum wallacei R. G. Swinney 2010-5-11 12672 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  SBBG96631  Erodium botrys S. Boyd with T. Ross, L. Arnseth 1990-4-6 4138 Los Angeles Stone House Field Stn on E side of island, headland between Stone and Burns Cyns 457 Comment
  RSA600099  Erodium brachycarpum Louis C. Wheeler 1948-4-26 6636 Los Angeles Altadena. Canyon Crest Drive and Lincoln Avenue. Comment
  RSA391803  Erodium cicutarium T. S. Clare 1930-4-7 s.n. Los Angeles Sandberg. Comment
  RSA599458  Erodium cicutarium Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9499 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat , a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA639977  Erodium cicutarium Louis C. Wheeler 1967-5-29 9771 Los Angeles Cow Canyon Saddle, [covered former dump]. 1378 Comment
  RSA653774  Erodium cicutarium J. Bogdanoff-Lord 1989-5-24 27 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  UC1587652  Erodium cicutarium Tim Ross 1991-3-9 4194 Los Angeles un-named canyon, Whittier Hills, (Puente Hills, pro parte) Whittier Hills, Puente Hills 304 Comment
  UCR274992  Erodium cicutarium Michael Honer, Mary Ann Hasskamp 2006-4-19 2211 Los Angeles Tehachapi Mountains area:, C. 1/2 mile north of Quail Lake; 1 mile west of cement plant rd. 1037 Comment
  LA200511  Erodium cicutarium Bruce Douglas Clayton; Greg Shaw 1972-3-20 19 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, on firebreak at head of canyon B, upper Temescal and Rustic Canyons 609 Comment
  RSA592264  Erodium cicutarium Louis C. Wheeler 1967-5-12 9485 Los Angeles San Gabriel Mountains. Between summits 4174 and 4183, east of Vincent. 1250 Comment
  RSA630379  Erodium cicutarium Louis C. Wheeler 1967-5-15 9605 Los Angeles San Gabriel Mountains: Whitney Canyon near Newhall 488 Comment
  POM50370  Erodium moschatum W. W. Eggleston 1924-3-7 19516 Los Angeles Claremont. Comment
  SFV20814  Erysimum capitatum L. Gross, N. Fraga 2002-4-4 520 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 457 Comment
  UC205877  Erysimum capitatum I. Johnston 1917-3-10 58 Los Angeles in field Cucamonga Comment
  CAS-BOT-BC40777  Erysimum capitatum Timothy S. Ross 1995-4-26 8388 Los Angeles Liebre Mountains. Liebre Gulch. Along Forest Service Road 8N05 (descending into the gulch from the Tumble Inn site). 993 Comment
  SD52404  Erysimum capitatum var. capitatum Benjamin C. Stone Mar 1952 12 Los Angeles Blanchard Park (The Wash) 334 Comment
  SEINET3150601  Erythraea venusta G. B. Grant 1901-1-1 441 Los Angeles Oak Knoll, Pasadena; Central and S. Calif. Comment
  SEINET14291734  Erythranthe guttata G. B. Grant, W. Wheeler 1904-1 789 6135 Los Angeles Santa Catalina Island, Pacific Ocean, off Southern California. Comment
  UC173984  Eschscholzia californica Geo. B. Grant March 1903 418 a Los Angeles Pasadena Comment
  POM260  Eschscholzia californica var. crocea L. Metz 1909-5-15 35 Los Angeles Claremont. Comment
  RSA523405  Eschscholzia minutiflora G. H. True 1936-3-28 187 Los Angeles Between Littlerock and Palmdale. 915 Comment
  SBBG43865  Eschscholzia ramosa M. R. Benedict 1971-6-26 Los Angeles Eel Pt Comment
  UCD103198  Eucalyptus citriodora A. C. Sanders 2003-5-22 26813 Los Angeles San Gabriel Valley. On boundary between Irwindale and Azusa, E of Irwindale Ave., S of 210 Fwy (which bisects pit) and N of Santa Fe RR, E of the San Gabriel River channel. 170 Comment
  RSA0012830  Eucalyptus rudis R. G. Swinney 1989-7-14 s.n. Los Angeles Base of San Gabriel Mtns., in and near the city of Glendora. S of water reservoir at N terminus of Englewild Ave. 396 Comment
  RSA0045262  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-22 12007 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR165419  Eucrypta chrysanthemifolia A. C. Sanders, Helen Kennedy 2005-4-13 29489 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  UCR259678  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-13 12202 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA420825  Eucrypta chrysanthemifolia H. L. Bauer 1932-03 1538 Los Angeles Santa Monica Mts. Comment
  CATA1724  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs, Steven A. Junak 2000-4-14 3071 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor 469 Comment
  RSA570041  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4898 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  SBBG128302  Eucrypta chrysanthemifolia var. chrysanthemifolia M. L. Hoefs 1991-4-8 1053 Los Angeles upper Avalon Cyn, below Wrigley Memorial, near drainage channel 143 Comment
  UC1124391  Eucrypta chrysanthemifolia var. chrysanthemifolia Jerome S. Horton 1936-5-19 337 Los Angeles San Dimas Canyon; San Dimas Experimental Forest, Pomona Quad. 457 Comment
  JEPS31736  Eulobus californicus Frank W. Peirson 1919-3-27 349 Los Angeles hills w Arroyo Seco; San Gabriel Mountains 426 Comment
  CHSC14150  Euphorbia crenulata L. M. Mayer; I. J. Mayer 1974-4-6 138 Los Angeles Malibu; Malibu Lagoon along Hwy 1. Comment
  RSA239459  Euphorbia misera E. R. Blakley 1963-12-7 6329 Los Angeles San Clemente Island, toward Pyramid Cove; mouth of first large canyon W. of Pyramid Head 23 Comment
  UC303933  Euphorbia palmeri unknown 1904-6-15 425 Los Angeles Pasadena Comment
  RSA608057  Euphorbia peplus L. C. Wheeler 1931-2-20 s.n. Los Angeles Pomona: Ganesha Park. Comment
  UCD142449  Euphorbia peplus J. Ewan 1932-2-20 7022 Los Angeles Santa Monica Mts. Upper Sonoran Zone. Mandeville Canyon at Administration Bldg. Comment
  UCD142789  Euphorbia serpillifolia subsp. hirtula Louis C. Wheeler 1973-6-15 s.n. Los Angeles San Gabriel Mountains: San Gabriel Canyon just northwest of San Gabriel Dam #1. Comment
  CATA2047  Euphorbia spathulata Steven A. Junak 1998-6-12 727 Los Angeles Santa Catalina Island: Slopes on E side of Catalina Harbor, upslope from Del Rey Yacht Club 73 Comment
  CDA4877  Euphorbia terracina T. C. Fuller 1969-7-15 18679 Los Angeles Botanic Garden, U.C.L.A., Westwood. Comment
  UCR101929  Euryops pectinatus Scott D. White 1997-12-31 6039 Los Angeles Malibu Coast: Mouth of Trancas Canyon, north of Pacific Coast Hwy. 8 Comment
  OBI69141  Festuca microstachys Steve Boyd, Lauren Raz 1997-3-26 9337 Los Angeles Liebre Mts Region: N base of Portal Ridge at the mouth of Myrick cyn, S edge of the Antelope Valley, S of Fairmont Reservoir. T7N R15W NE 1/4 sec 14 1000 Comment
  OBI21826  Festuca octoflora Leo Whitney 1935-3-29 3011 b Los Angeles 20 mi W of Lancaster Comment
  UCR270225  Festuca octoflora R. G. Swinney 2011-4-1 14300 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR259261  Festuca perennis R. G. Swinney 2010-6-4 13003 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  CATA994  Festuca temulenta Mark L. Hoefs 1994-5-21 1868 Los Angeles Santa Catalina Island: Near Renton Mine Road 195 Comment
  RSA682716  Ficus carica LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1105 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
  CDA20108  Ficus elastica M. O'Brien 2003-2-9 MOB 6 -03 Los Angeles South Coast; Malibu Bluffs Recreation Area, Pacific Coast Hwy & Malibu Canyon Rd. 0 Comment
  RSA0093711  Filago arizonica Steven A. Junak, Ralph N. Philbrick 2001-5-18 SCa- 1534 Los Angeles Santa Catalina Island. Cottonwood Canyon, just S of Cottonwood-Blackjack Road, ca. 2.6 miles inland from mouth of canyon. 256 Comment
  RSA393714  Filago californica F. R. Fosberg 1931-4-22 4670 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  UCR205605  Filago californica R. G. Swinney 2008-5-12 8845 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA653472  Filago gallica Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 788 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  UCR255774  Filago gallica R. G. Swinney 2010-5-4 12492 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  SBBG108927  Foeniculum vulgare S. A. Junak 1997-4-24 SCl 869 Los Angeles upper portion of Wall Rock Cyn 320 Comment
  RSA226026  Forestiera pubescens Robert F. Thorne, C. W. Tilforth 1971-6-29 40641 Los Angeles Angeles National Forest: along Little Rock Creek, 1.6 mi. above Little Rock Dam near Reservoir Campground 1006 Comment
  SEINET9337875  Frangula californica Unknown 2008-7-2 9109 Los Angeles San Gabriel Mountains (Lat. 34 22' 01") Comment
  CAS-BOT-BC52546  Frangula californica subsp. californica H. E. McMinn 1925-8-6 1554 Los Angeles Sawpit Dam, San Gabriel Mts. Comment
  RSA0011373  Frangula californica subsp. californica Orlando Mistretta, Youssef Atallah 2011-8-16 6060 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  SEINET10898551  Frangula californica subsp. californica Douglas L. Holl 1997-10-9 Holland 114 Los Angeles City of Claremont. Rancho Santa Anna Botanic Garden. Cultivated collection. Originally wild collected from San Mateo, California; Pigeon Point, costal scrub. Source: Yerba Buena Nursery, 15 October 1992. Accession number - 18089. 152 Comment
  SBBG43846  Frankenia salina M. R. Benedict 1971-6-25 Los Angeles ca. 0.5 mi S of Wilson Cove Comment
  CAS-BOT-BC217363  Frasera neglecta H. M. Hall 1899-6-1 1249 Los Angeles Schwartout [Swartout] Canyon, on borders of Mojave Desert, San Antonio Mountains 2042 Comment
  RSA367717  Fritillaria biflora E. Crow 1929-3-17 198 Los Angeles Glendora. Comment
  CAS-BOT-BC304323  Galinsoga parviflora F. W. Peirson 1931-4-11 9375 Los Angeles 1077 New York Ave, Altadena Comment
  RSA0085500  Galium angustifolium R. G. Swinney 2010-8-9 13456 Los Angeles Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  UCR192944  Galium angustifolium Dan S. Cooper 2008-5-8 s.n. Los Angeles Los Angeles Basin, end of Kinney St, Glassell Park, Los Angeles 186 Comment
  LA50691  Galium angustifolium subsp. angustifolium Carl Epling; 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA0051345  Galium angustifolium subsp. angustifolium Valerie Soza 2004-6-17 1721 b Los Angeles San Gabriel Mountains, Mt. Wilson Rd, north of junction with Mt. Lowe Rd. 1569 Comment
  RSA588926  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2924 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
  SBBG118484  Galium angustifolium subsp. angustifolium O. Mistretta 1992-7-13 695 Los Angeles Los Pinetos Spring Cyn Trail Comment
  UC1375353  Galium angustifolium subsp. angustifolium Robert F. Thorne and C. W. Tilforth 1971-6-30 40804 Los Angeles on bank of branch of S Fork of Little Rock Creek 1.8 mi below Alder Saddle; San Gabriel Mts., Angeles National Forest, Pinyon Flats area 1554 Comment
  UCR272355  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-6-20 15230 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  HSC19778  Galium angustifolium subsp. angustifolium David Porter 1965-5-11 Los Angeles Simi Hills, 1 mi. N of Chatsworth 351 Comment
  OBI35700  Galium angustifolium subsp. angustifolium Rebecca Cicoria 1982-5-8 78 Los Angeles Palos Verdes Peninsula: Eastern slope of upper Agua Magna Cyn, along Storms Trail, Rolling Hills Comment
  RSA229734  Galium angustifolium subsp. angustifolium Robert F. Thorne 1971-6-26 40591 Los Angeles San Gabriel Mountians, Angeles National Forest: on summit of Mt. Wilson 1738 Comment
  CHSC83632  Galium angustifolium subsp. nudicaule John Dittes; Gina Hall 1990-7-19 260 Los Angeles Transverse Range; San Gabriel Mts., north of Kratka Ridge, ca. 1.7 air miles east of Cloudburst Summit, North of Angeles Crest Highway. Upslope of Burkhart Trail between Buckhorn Flat Campground and Cooper Canyon. 1889 Comment
  LA33611  Galium aparine Peter H. Raven; 1959-4-4 13949 Los Angeles SANTA MONICA MOUNTAINS, Point Dume Natural Preserve, just E of Zuma Beach. 15 Comment
  RSA0093370  Galium aparine R. G. Swinney 2011-3-26 14202 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 Canyon. 476 Comment
  POM68083  Galium catalinense subsp. catalinense I. E. Diehl 1902-6-28 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UC1929648  Galium grande Valerie Soza, Bill Hogshead 2003-5-6 1649 b Los Angeles Transverse Ranges; San Gabriel Mountains region; Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  UCR20078  Galium grande T. P. Krantz, G. Krantz 1979-4-26 s.n. Los Angeles San Gabriel Mtns., Hills above Chantry Flat Station, on left side of Upper Winter Creek Trail, c. 40 m from trailhead off if fireroad 2N41 671 Comment
  RSA762164  Galium grande Orlando Mistretta, Christine Mistretta 2008-5-20 3170 Los Angeles Southern California Edison transmission line corridor (Segment 6, Impact Area 14 per TRTP Survey 2008), Fish Canyon drainage; Van Tassel Motorway just S of Jct. with Monrovia Cyn Truck Trail. 986 Comment
  RSA529198  Galium jepsonii Tim S. Ross, Steve D. Boyd 1991-7-24 5596 Los Angeles Granite Mountain vicinity: near intersection of Pacifico Mountain Road x Roundtop Truck Road. 1902 Comment
  UC1409064  Galium parishii Robert F. Thorne, M. Z. Thorne 1967-10-21 37392 Los Angeles near summit Mt. Baldy (Mt. San Antonio) 3048 Comment
  CAS-BOT-BC499144  Galium porrigens var. porrigens Valerie Soza 2004-6-21 1726 a Los Angeles Liebre Mountains, N side of Warm Springs Rd 6N32, W of Lake Hughes Rd. 640 Comment
  UC1595495  Galium porrigens var. porrigens Tim Ross 1992-7-10 6679 Los Angeles creek between Coldwater Canyon and Wickiup Canyon (n and ne slope above stream); San Gabriel Mountains, Big Tujunga Creek 975 Comment
  RSA680066  Galvezia speciosa Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-8 327 Los Angeles San Clemente Island. Lemon Tank Canyon. N side at/in dump. 30' below canyon ridge. Comment
  CAS-BOT-BC235475  Gambelia speciosa Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4196 Los Angeles San Clemente Island. Upper reaches of China Cyn, S end of island, W side Comment
  RSA190933  Gamochaeta ustulata R. F. Thorne 1967-5-19 36883 Los Angeles Santa Catalina Island, top of side valley of Sweetwater Canyon. 381 Comment
  RSA0113441  Gamochaeta ustulata Steven A. Junak 1999-5-21 SCa- 969 Los Angeles Santa Catalina Island. E side of KBRT Valley, NE of Antenna Farm. 445 Comment
  RSA0112523  Garrya flavescens Richard G. Swinney 2011-10-13 15803 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2. 1622 Comment
  CAS-BOT-BC158002  Garrya veatchii F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzers Camp, San Gabriel Mts 914 Comment
  UCR225151  Gazania longiscapa Steve Boyd 2006-5-11 11661 Los Angeles Transverse Ranges; San Gabriel Mountains region, Alluvial fan below San Antonio Canyon at southern base of the range, just west of Los Angeles/San Bernardino County line along north margin of the west-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp. 488 Comment
  LA202746  Geranium Arthur C. Gibson; 2003-3-29 5021 Los Angeles Santa Monica Mountains, Santa Ynez Canyon, Pacific Palisades, along service road through canyon next to stream crossing 182 Comment
  RSA138249  Geranium carolinianum Peter H. Raven 1959-4-4 13949 a Los Angeles Just east of Zuma Beach, Point Dume. 15 Comment
  RSA718266  Geranium carolinianum R. G. Swinney 1998-4-13 5969 Los Angeles Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of N terminous of Mills Ave., on Cobal Canyon Rd. 543 Comment
  RSA746903  Geranium carolinianum R. G. Swinney 2003-5-12 8200 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  POM153451  Geranium molle R. L. Armacost 1928-05 s.n. Los Angeles Sawtelle Comment
  UCR215153  Geranium molle Kimberly Doughty, Darran Doughty 2008-5-24 25 Los Angeles Baldwin Hills, Los Angeles, Kenneth Hahn Park 88 Comment
  RSA763106  Gilia R. G. Swinney 2008-8-13 9386 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
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Dec 7 2018
  UCR194150  Gilia A. C. Sanders 2008-4-13 34884 Los Angeles Western Mojave Desert, Antelope Valley, Llano, 165th St. East, 0.3 mi. N of Hwy 138, 0.2 mi. S of Ave. 'V 955 Comment
  UCR276984  Gilia R. G. Swinney 2010-6-1 13138 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA703590  Gilia Gary D. Wallace, M. Wallace 1983-5-20 2076 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  UCD117629  Gilia achilleifolia subsp. achilleifolia Daryl Koutnik; Bruce Holguin 1978-4-1 207 Los Angeles Sierra Pelona Valley, west side of Anthony Road and north of Sierra Highway. 890 Comment
  RSA250586  Gilia aliquanta subsp. aliquanta R. F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41595 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 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
  POM3441  Gilia angelensis C. F. Baker 1904-4-22 4184 Los Angeles Monrovia. Comment
  RSA724535  Gilia angelensis K. Dobry 1991-5-13 481 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA555412  Gilia angelensis Patricia Wilder 1963-1 2004 Los Angeles Distillery. Comment
  RSA587530  Gilia brecciarum subsp. brecciarum Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1104 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  UCR220262  Gilia cana R. G. Swinney 2009-4-28 10504 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  LA206526  Gilia latiflora subsp. davyi Elizabeth Grant; 1937-5-8 sn Los Angeles Mint Canyon 1523 Comment
  RSA621048  Gilia latiflora subsp. davyi J. Mark Porter 1998-4-27 11837 Los Angeles Antelope Valley: N. of Hwy 138 (Avenue D - Neenach Rd) at powerline, Antelope Valley California Poppy Reserve. Comment
  UC963955  Gilia latiflora subsp. davyi R. F. Hoover 1938-4-16 3119 Los Angeles near Bailey's (Upper Antelope Valley); upper Antelope Valley, near Bailey's Comment
  RSA756572  Gilia latiflora subsp. davyi Orlando Mistretta, Christine Mistretta 2008-4-30 2564 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  SBBG127016  Gilia latiflora subsp. latiflora A. Parikh, N. Gale 2011-6-8 3434 b Los Angeles Portal Ridge, 1.2 km W of Godde Hill Rd, 1 km S of California Aqueduct 1110 Comment
  RSA229748  Gilia latiflora subsp. latiflora Wesley O. Griesel 1962-4-14 s.n. Los Angeles Little Rock Dam. 976 Comment
  RSA777926  Gilia modocensis Orlando Mistretta, Christine Mistretta 2010-5-20 5145 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  UCR206441  Gilia modocensis R. G. Swinney 2008-6-10 9001 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 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
  SEINET3163603  Gilia multicaulis L. Abrams 1903-4-10 3245 Los Angeles near Inglewood Comment
  RSA545185  Gilia nevinii T. S. Ross 1992-4-14 6164 Los Angeles San Clemente Island: Central E side of island, rutted channel that runs N from Nanny Canyon, 300m N from the mouth of NC. 69 Comment
  UC964781  Gilia ochroleuca subsp. bizonata Herbert L. Mason 1926-4-26 2967 Los Angeles Summit of 1st Grade, Mint Canyon Road Mint Canyon Road Comment
  RSA0083780  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1992-6-19 598 Los Angeles Transverse Ranges; San Gabriel Mtns.: Angeles National Forest; Timber Mountain. On saddle between Timber and Telegraph Pk. Comment
  RSA0017110  Gilia ochroleuca subsp. ochroleuca Verne Grant, Alva Grant 1954-4-19 19595 Los Angeles On Hwy 138 4.5 miles W of Big Pines jct. Near Los Angeles-San Bernardino County line. 1220 Comment
  RSA0017155  Gilia ochroleuca subsp. vivida Jane Tirrell 2011-7-25 LS- 35 Los Angeles Approximately 0.75 mile west of Mt. Hawkins on west-facing slope of ridge. 2545 Comment
  RSA0017198  Gilia ochroleuca subsp. vivida B. C. Templeton 1932-5-31 4858 Los Angeles West Blue Ridge, Big Pines Camp. Comment
  RSA0017164  Gilia ochroleuca subsp. vivida R. F. Thorne 1971-8-25 41282 Los Angeles Angeles National Forest: Just N of summit of Mt. Hawkins on saddle between Hawkins & Throop Peak 2667 Comment
  RSA0017173  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-6-20 1265 Los Angeles Baldy Lookout of USFS. 2134 Comment
  RSA152127  Gilia ochroleuca subsp. vivida Wesley O. Griesel 1962-6-6 s.n. Los Angeles Hwy 2, E of Newcombs Ranch, San Gabriel Mts 1829 Comment
  RSA0051754  Gilia scopulorum Carol Haines 1964-5-24 171 Los Angeles Elizabeth Canyon Road. 990 Comment
  UCR173850  Gilia splendens Michael Honer 2004-6-22 2017 Los Angeles San Gabriel Mtns, San Antonio Canyon: along Mount Baldy Rd. between Spruce Canyon and 'Hog Back 1159 Comment
  UC1745968  Gilia splendens subsp. grantii Annetta M. Carter, Arthur Carter 1935-9-13 991 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  RSA0094564  Githopsis diffusa Richard G. Swinney 2011-6-6 15015 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  UCD126380  Githopsis diffusa Scott D. White; Justin M. Wood 2009-5-6 12656 Los Angeles San Gabriel Mountains: San Gabriel River - West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UCR271655  Gnaphalium californicum R. G. Swinney 2011-3-26 14199 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
  RSA658482  Gnaphalium californicum Patricia Kouo 1994-4-27 944118 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  IRVC26843  Gnaphalium luteo-album S. D. White 1997-11-5 6018 Los Angeles Mouth of Trancas Canyon, N of Pacific Coast Hwy (= CA Hwy 1) Malibu Coast 0 Comment
  RSA562263  Gnaphalium luteoalbum D. Charlton, Robb Fishman 1989-4-13 2898 Los Angeles Mojave Desert, corner of 10th and M street, Palmdale, Joshua Tree Woodland with Morman Tea, Hopsage, 4 Wing Salt Bush, Winter Fat and Wolfberry. Ruderial with Wash (Amargosa Creek) and Mid bajada (N facing) Comment
  CAS-BOT-BC108971  Goodmania luteola Ralph Hoffman 1930-4-28 s.n. Los Angeles Lancaster. Comment
  SD231279  Grayia spinosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 72 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  PASA1966  Greeneocharis circumscissa Stason 1932-5-11 Los Angeles Lovejoy Buttes Comment
  RSA608700  Grindelia camporum var. bracteosa L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail, near Big Dalton Canyon. 731 Comment
  CAS-BOT-BC305273  Grindelia hirsutula L. R. Abrams 1901-6-17 1856 Los Angeles Wiseburn Comment
  UC468769  Grindelia hirsutula H. P. Chandler 1898-3-14 198 Los Angeles San Dimas Comment
  RSA653685  Guillenia lasiophylla Valerie L. Soza, Laura Moore 2000-5-10 871 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''. 518 Comment
  SEINET14589904 Image available Gutierrezia californica David Keil 1986-9-27 19734 -2 Los Angeles NW Los Angeles County; along I-5, just S of Hungry Valley Rd exit. 914 Comment
  SBBG112959  Hainardia cylindrica S. A. Junak 1998-6-12 SCa 732 Los Angeles N end of upper Buffalo Springs Reservoir, just NW of airport 435 Comment
  SEINET11849319  Haplopappus venetus subsp. vernonioides H. M. Hall 1902-1 3276 Los Angeles Santa Monica Comment
  CAS-BOT-BC231094  Harpagonella palmeri Tim Ross; Janet Takara 1993-4-23 6939 Los Angeles Santa Catalina Island: upper E side of Cottonwood Canyon drainage, 900 m WNW of Black Jack Mountain summit 493 Comment
  RSA590341  Harpagonella palmeri T. S. Ross 1993-4-21 6853 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak; slope and small ridges N of Cactus peak summit. 426 Comment
  RSA719496  Hazardia squarrosa Gary Kovnat, LeRoy Gross 2003-6-28 48 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  CAS-BOT-BC307280  Hazardia squarrosa var. grindelioides Fordyce Grinnell, Jr. 1903-12-22 7 Los Angeles Arroyo Seco Canyon, Sierra Madre Mts. near Pasadena Comment
  RSA14705  Hazardia squarrosa var. grindelioides Peter H. Raven 1959-10-25 14705 Los Angeles Mulholland Hwy 1.6 miles W of Decker Road 305 Comment
  CAS-BOT-BC302322  Hazardia squarrosa var. squarrosa Scott D. White; Pam Devries 1997-11-20 6026 Los Angeles Big Tujunga Wash (San Gabriel Mtn. foothills / E San Fernando Valley): West of Sunland, SW of I-210 Freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  CAS-BOT-BC306295  Hedypnois cretica Peter H. Raven; Robert F. Thorne 1964-5-7 19034 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  UCR200215  Hedypnois cretica Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 879 Los Angeles Verdugo Mountains, northeast side'', Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Near archery station off main road. 366 Comment
  UCD132669  Hedypnois cretica Daryl Koutnik 1978-3-30 s.n. Los Angeles Northwest of intersection of Pacific Avenue and Culver Boulevard near base of Ballona Bluffs. 3 Comment
  UCR204893  Helianthemum scoparium R. G. Swinney 2008-4-1 8598 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  CAS-BOT-BC175017  Helianthemum scoparium var. vulgare Tim Ross; Steve Boyd 1993-5-23 7220 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons 963 Comment
  OBI39233  Helianthus annuus John L. Stevens 1970-4-25 129 Los Angeles Haven Rd at the jctn with Wilson rd. Near Chaffey college 762 Comment
  OBI16320  Helianthus californicus P. A. Holden 1968-9-15 558 Los Angeles Along Agua Dulce Rd near Acton Comment
  LA200225  Helianthus gracilentus Jonathan Sauer; Frank Almeda 1975-9-18 5742 Los Angeles Santa Monica Mountains, Arroyo Sequit, Sequit Basin, W Santa Monica Mountains Comment
  RSA549165  Helianthus gracilentus Timothy S. Ross, Peter Fritsch 1990-6-20 3659 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  UCR170703  Helianthus gracilentus Dan S. Cooper 2005-6-6 s.n. Los Angeles Transverse Ranges; W San Gabriel Mtns./Liebre Mtns., Lake Hughes Road, near Castaic Reservoir (Lake) 732 Comment
  UCR281343  Helianthus gracilentus R. G. Swinney 2014-5-27 16688 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  SDSU2670  Helianthus gracilentus unknown 1940-5-20 3136 Los Angeles Santa Susana Mts., to San Bernardino. Comment
  SBBG79046  Heliotropium curassavicum F. R. Fosberg 1931-4-4 7166 Los Angeles mouth of Cottonwood Cyn 2 Comment
  RSA0107830  Heliotropium curassavicum Steven A. Junak 2000-6-29 SCa- 1353 Los Angeles Santa Catalina Island. Along E side of Middle Ranch Road, ca. 1.1 mi. from intersection with Airport Road. Just above creek. 292 Comment
  CATA1884  Herniaria hirsuta Denise Knapp 2005-6-27 Los Angeles Santa Catalina Island: South side of artichoke thistle population 0 Comment
  UCR184106  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato 2007-4-24 33486 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  CATA3112  Herniaria hirsuta var. cinerea Amy Catalano 2016-5-20 115 Los Angeles Santa Catalina Island: Northwest end of bank below Lower Cape Canyon Reservoir 201 Comment
  SBBG117024  Herniaria hirsuta var. cinerea S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1509 Los Angeles rd to Cape Cyn ridgetop, on N side of Middle Ranch Cyn 402 Comment
  CAS-BOT-BC403832  Hesperocnide tenella Geo. B. Grant 1904-5-26 6267 Los Angeles Pasadena. Gulch on W side of A. Seco, directly opposite end of Colo. Sp. Comment
  CAS-BOT-BC135902  Hesperoyucca whipplei Alice Eastwood 1906-6-5 223 Los Angeles Country adjacent to Los Angeles. Comment
  UCD169113  Hesperoyucca whipplei R. G. Swinney 2009-5-13 10794 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
  HSC79919  Heteromeles arbutifolia James Henrickson 1972-11-2 8100 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Canyon Rd. 366 Comment
  RSA0110756  Heteromeles arbutifolia R. G. Swinney 2011-10-25 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. 1001 Comment
  UC1128098  Heteromeles arbutifolia R. St. John 1930-2-12 91 Los Angeles Head of Galvin Canyon; Santa Susana Quad. 609 Comment
  UCR106303  Heteromeles arbutifolia B. G. Pitzer 1996-5-5 2869 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR155605  Heteromeles arbutifolia A. C. Sanders 2005-5-11 30140 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  RSA0072411  Heteromeles arbutifolia M. B. Dunkle 1939-11-24 7344 Los Angeles San Clemente Island. Canyon head, Mosquito Summit. Comment
  RSA188515  Heterotheca fastigiata R. F. Thorne, John D. Olmsted 1965-8-26 35382 Los Angeles San Gabriel Mts.: Angeles National Forest, Camp Lupine near Prairie Fork. 2012 Comment
  RSA0074533  Heterotheca fastigiata George B. Grant 1906-9-14 s.n. Los Angeles Pasadena. Comment
  RSA0075650  Heterotheca grandiflora LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 289 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  UCR233753  Heterotheca grandiflora Jeremiah George 2012-3-12 s.n. Los Angeles South Coast, Hermosa Beach, vacant lot south of 1125 Manhattan Avenue 11 Comment
  RSA0074069  Heterotheca grandiflora L. C. Wheeler 1970-10-10 s.n. Los Angeles San Gabriel Valley, El Monte: Rio Hondo at Valley Boulevard. Comment
  SFV21038  Heterotheca sessiliflora subsp. fastigiata L. Gross 2001-11-10 453 Los Angeles Verdugo Mountains North side of mountains off the 210 Freeway, east bound La Tuna Canyon Road exit. Opposite this exit is a road that starts out paved (Hostetter Mountainway); follow this road that parallels the freeway east until a dirt road forks off on the right (southeast). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  RSA755878  Hieracium albiflorum R. G. Swinney 2008-7-16 9261 Los Angeles Cooper Canyon, 1.5 mi. NE of Burkhart Trail parking lot along the trail, NE of Buckhorn Campground 1707 Comment
  UCR209885  Hieracium albiflorum R. G. Swinney 2008-7-16 9261 Los Angeles San Gabriel Mtns., Cooper Canyon, 1.5 mi. NE of Burkhart Trail parking lot along the trail, NE of Buckhorn Campground 1707 Comment
  CAS-BOT-BC319774  Hieracium argutum A. J. McC 1892-9-1 115 Los Angeles Near Pasadena Comment
  RSA660633  Holodiscus discolor Matt Bogdanoff 1981-5-27 35 Los Angeles Ca Hwy 39, 3.5 mi N of junction with Sierra Madre Ave., N of Azusa. 396 Comment
  UC520298  Holodiscus discolor Joseph Andorfer Ewan 1933-7-4 7853 Los Angeles San Gabriel Mountains, Santa Anita Canyon, Sturdevant Trail Santa Anita Canyon; San Gabriel Mountains, Santa Anita Canyon 1066 Comment
  CAS-BOT-BC149953  Holodiscus discolor var. discolor P. A. Munz 1918-5-4 2218 Los Angeles Laguna [Canon] Canyon Comment
  CAS-BOT-BC149960  Holodiscus discolor var. discolor Blanche Trask 1900-6-1 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  UCR271180  Holodiscus microphyllus var. microphyllus R. G. Swinney 2011-9-27 15695 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  CAS-BOT-BC284994  Hordeum depressum I. Johnston 1917-4-11 s.n. Los Angeles Gardena Comment
  RSA12283  Hordeum depressum C. B. Wolf 1934-4-11 5658 Los Angeles Bryant Ranch, east of Long Beach along Bixby Ave. 0.5 mile west of Hansen Rd. 100 ft N of fence. 7 Comment
  UCR274108  Hordeum intercedens Steven A. Junak 1999-5-20 SCa- 954 Los Angeles Channel Islands, Santa Catalina Island, Cottonwood-Black Jack Road, plant stop 305 Comment
  CATA774  Hordeum murinum subsp. glaucum Mark L. Hoefs 1991-6-5 1336 Los Angeles Santa Catalina Island: Hillside southeast of Hamilton Cove 60 Comment
  CHSC95532  Hordeum murinum subsp. glaucum LeRoy Gross 2002-4-13 526 Los Angeles Los Angeles Basin: Verdugo Mountains Region: At intersection of Stough Canyon Mountainway and Verdugo Mountainway, along main crest. 579 Comment
  POM180361  Hordeum murinum subsp. glaucum Edwin B. Bartram 1920-2-5 s.n. Los Angeles Santa Monica Beach Comment
  SEINET10605405  Hordeum murinum subsp. glaucum LeRoy R. Abrams 1903-4-11 Abrams 3243 Los Angeles Along streets, Inglewood. Comment
  LA33404  Hordeum murinum subsp. leporinum Peter H. Raven; 1959-4-4 13973 Los Angeles SANTA MONICA MOUNTAINS, Pt. Dume, behind point. 21 Comment
  SEINET3129344  Hordeum nodosum L. R. Abrams 1901-6-6 1734 Los Angeles Mesmir Comment
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Apr 17 2015
  LA52104  Horkelia cuneata subsp. cuneata Virginia Mars; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA612067  Horkelia cuneata subsp. puberula Valerie L. Soza 1998-4-26 78 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: Just west of main road, SE of pHake Lake, just N of Foothill Boulevard. 412 Comment
  CAS-BOT-BC532287  Horkelia cuneata var. puberula Geo B. Grant 1901-1-1 599 Los Angeles Pacific Coast, Pasadena Comment
  UCD106088  Hosackia crassifolia Marian Vincent 1964-6-24 594 Los Angeles Wrightwood Road. Big Pine camping area across the road from Meseal Camp. Comment
  RSA585908  Hulsea vestita subsp. gabrielensis Timothy S. Ross, S. D. Boyd 1990-5-23 2608 Los Angeles Mt. Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. San Gabriel Mountains. 1720 Comment
  RSA716882  Hulsea vestita subsp. gabrielensis LeRoy Gross, Valentin Arvizu 2006-5-31 2469 Los Angeles Forest Service road surveys; Along Santa Clara Road (3N17.6) from Magic Mountain to a short distance pass (east) of Indian Canyon Road (4N37). 1424 Comment
  CDA38602  Hydrilla verticillata CDFA Staff 1980-10-15 s.n. Los Angeles Los Angeles Museum (of Natural History?) 0 Comment
  RSA670652  Hymenoclea salsola B. C. Templeton, H. J. Andrews 1938-3-22 1687 Los Angeles Shoemaker Canyon. Comment
  UC19028  Hypericum anagalloides H. M. Hall July 1899 Los Angeles Lancaster Flat San Bernardino Mts., Lancaster Flat 1828 Comment
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Mar 3 2013
  RSA458213  Hypericum androsaemum Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  UCR214641  Hypochaeris glabra A. C. Sanders, Dan S. Cooper 2010-3-12 37375 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC311529  Isocoma acradenia var. acradenia Roxana S. Ferris 1918-6-12 903 Los Angeles Between Oban & Lancaster Comment
  CAS-BOT-BC311717  Isocoma menziesii var. vernonioides Henry J. Thompson 1958-10-23 1814 Los Angeles Santa Monica Mountains. Point Dume 30 Comment
  RSA678916  Isocoma menziesii var. vernonioides Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/ Studebaker Rd., near Long Beach Marina. Salt marsh and seasonal freshwater wetland 5 Comment
  RSA763354  Isocoma menziesii var. vernonioides Doris Bowers 1967-10-4 545 Los Angeles Palos Verdes Pen. 305 Comment
  OBI15982  Iva axillaris Wesley O. Griesel 1962-5-28 s.n. Los Angeles San Gabriel Mts; on the rd from Big Pines to Valyermo 1524 Comment
  SBBG31376  Jaumea carnosa R. F. Thorne with P. C. Everett 1965-5-11 34537 Los Angeles inside Ballast Pt on E side of Catalina Harbor Comment
  UC53979  Jaumea carnosa H. P. Chandler 1902-9-9 2049 Los Angeles Ballona Marshes Comment
  SEINET12033433  Juglans californica I. W. Clokey, Templeton, B. 1929-1 4585 Los Angeles Mandeville Canyon, Santa Monica Mountains 250 Comment
  LA200573  Juglans californica var. californica Louis Wheeler; 1931-11-11 351 Los Angeles Santa Monica Mountains, opposite Franklin Canyon on N-side of mountain 365 Comment
  RSA599211  Juglans californica var. californica Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of stables, Brown School for Girls. 335 Comment
  SBBG14755  Juncus acutus D. E. Breedlove 1961-9-23 1281 Los Angeles Little Springs Cyn above Little Harbor Comment
  CAS-BOT-BC110043  Juncus acutus Carl B. Wolf 1932-9-16 4101 Los Angeles Bryant Ranch. 100 - 150 feet west of State Highway, at extreme southeast corner of Pacific Western Oil Company Lease. 3 Comment
  LA19855  Juncus acutus subsp. leopoldii John Thomas Howell; 1927-6-30 2623 Los Angeles near Long Beach Comment
  RSA729089  Juncus balticus subsp. ater R. G. Swinney 1999-6-30 7466 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills 1463 Comment
  SD234739  Juncus balticus subsp. ater A. C. Sanders 2003-5-1 26248 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 395 Comment
  SBBG31402  Juncus bufonius R. F. Thorne 1966-4-6 35901 Los Angeles margin of small reservoir N of Catalina Airport 435 Comment
  RSA596745  Juncus bufonius var. bufonius L. C. Wheeler 1966-9-6 8864 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  POM308934  Juncus macrophyllus Kay H. Beach 1943-6-22 703 Los Angeles Tanbark Creek at Sycamore Flat, Angeles Forest Comment
  RSA600365  Juncus rugulosus Steve Boyd, Lauren Raz 1997-5-28 9873 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
  RSA729227  Juncus saximontanus R. G. Swinney 1998-7-10 6410 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
  UCR125147  Juncus torreyi A. C. Sanders, Mark Elvin 2002-6-25 25288 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  IRVC5004  Juncus xiphioides Peter H. Raven, H. J. Thompson 1960-7-17 15559 Los Angeles Santa Monica Mountains, along Malibu Creek 2 miles above the ocean. Comment
  RSA85558  Juniperus californica F. W. Peirson 1919-5-11 427 Los Angeles Arraster Creek, north slope of San Gabriel Mts. 853 Comment
  UCR196009  Juniperus californica R. F. Thorne 1973-5-11 43569 Los Angeles Transverse Ranges; San Gabriel Mtns region, Mohave Desert Slope, along Mt. Emma Road, 1.9 mi west of Little Rock Creek, below the dam 1159 Comment
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Jan 27 2011
  RSA772279  Keckiella cordifolia R. G. Swinney 2009-5-8 10693 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  POM292884  Keckiella ternata subsp. septentrionalis Lyman D. Benson, Robert Benson, Joseph Lanjouw 1953-5-2 15099 Los Angeles Santa Catalina Island, north face of Swain Canyon, Whites Landing 183 Comment
  SBBG66604  Keckiella ternata subsp. septentrionalis R. Hoffmann 1928-7-9 Los Angeles Hughes Lake Comment
  POM1172  Koeleria macrantha I. M. Johnston 1917-7-3 1521 Los Angeles San Antonio Canyon 1829 Comment
  RSA529907  Koeleria macrantha Timothy S. Ross 1991-8-16 5816 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  UCSB71671  Krascheninnikovia lanata Gross, LeRoy 2005-5-3 Los Angeles Transverse Ranges; San Gabriel Mountains region; W terminus of Holcomb Ridge, W of Big Rock Creek; along E, NE side of hill; N of Fort Tejon Road, west of Valyermo Road; (Valyermo 7.5 Quad. T4N, 5N R9W, 10 W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31) 1215 Comment
  CAS-BOT-BC340580  Lactuca serriola Peter H. Raven; Henry J. Thompson 1959-9-18 14428 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Santa Monica Boulevard near Beverly Glen Boulevard, West Los Angeles 76 Comment
  SEINET6050464  Lactuca serriola Unknown 1996-9-24 8952 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CATA120  Lamarckia aurea Mark L. Hoefs, A. Douglas Propst 1973-3-14 92 Los Angeles Santa Catalina Island: Ridge between Cape and Skull Canyons 304 Comment
  CATA3218  Lamarckia aurea Julie L. King 2016-11-30 37 Los Angeles Santa Catalina Island: North side of Quarry Haul Rd., about 0.6 road miles from SE junction with Empire Landing Rd. 134 Comment
  POM158252  Lamarckia aurea M. B. Dunkle 1928-3-31 1781 Los Angeles Little Harbor, Santa Catalina Island. 152 Comment
  RSA659729  Lamarckia aurea Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 86 Los Angeles San Clemente Island. Comment
  SBBG12182  Lamarckia aurea P. H. Raven 1962-4-9 17156 Los Angeles near barracks, Wilson Cove 60 Comment
  SBBG13321  Lamarckia aurea M. A. Piehl 1962-6-9 62369 Los Angeles Thirst 597 Comment
  SFV21801  Lamarckia aurea A. M. Hodges 2010-4-24 s. n. Los Angeles Marina del Rey, Ballona Creek. Between creek and bike path near UCLA boathouse. 2 Comment
  CDA5664  Lamium amplexicaule L. C. Wheeler 1973-4-9 s.n. Los Angeles Transverse Ranges; San Gabriel Mts. region; Millard Canyon, approximate forest service boundary 0 Comment
  UCR55329  Lampranthus A. C. Sanders 1987-9-28 7395 Los Angeles El Segundo Dunes west of Los Angeles International Airport and Pershing Drive 38 Comment
  POM353911  Lantana montevidensis Glenn A. Gorelick 1966-4-5 s.n. Los Angeles Griffith Park. Comment
  POM50333  Larrea tridentata A. D. E. Elmer 1902-06 3664 Los Angeles Lancaster. Comment
  POM2171  Lastarriaea coriacea L. R. Abrams 1901-4-1 1218 Los Angeles Ballona Harbor. Comment
  UCR259665  Lasthenia coronaria R. G. Swinney 2010-4-1 12144 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  CAS-BOT-BC354221  Lasthenia coronaria L. R. Abrams 1901-4-6 1388 Los Angeles Verduga Hills bordering Tujunga Wash Comment
  SBBG117120  Lasthenia gracilis S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1533 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
  SBBG61623  Lasthenia gracilis R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  UCR185593  Lasthenia gracilis A. C. Sanders 2007-4-25 33593 Los Angeles Tehachapi Mtns., Oso Canyon, 0.7 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  CAS-BOT-BC204907  Lathyrus Peter H. Raven 1962-2-5 16880 Los Angeles Unspecified 335 Comment
  CATA2915  Lathyrus odoratus Sara L. Crockett 1997-3-7 87 Los Angeles Santa Catalina Island: 331 Clemente Street 24 Comment
  POM18202  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1923-4-10 6736 Los Angeles San Clemente Island: canyon south of 'Lemon Tank'; west coast. Comment
  POM50626  Lathyrus vestitus subsp. laevicarpus L. R. Abrams 1901-4-3 1303 Los Angeles Santa Monica Mountains. Comment
  UC1349068  Lathyrus vestitus var. alefeldii Robert F. Thorne 1966-4-28 36205 Los Angeles Santa Catalina Island, along road to Renton Mine, Pebbly Beach Canyon. 243 Comment
  UCD106565  Lathyrus vestitus var. vestitus Daryl Koutnik; John Cuti 1978-4-12 342 Los Angeles Verdugo Mountains, south of La Tuna Canyon Road. 579 Comment
  RSA0108843  Layia glandulosa R. G. Swinney 2010-6-1 13159 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
  RSA585345  Layia glandulosa Timothy S. Ross 1991-4-27 4636 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA679861  Layia glandulosa LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 886 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA717221  Layia glandulosa Scott D. White, Pam De Vries 2006-5-10 11440 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SD104871  Layia glandulosa Darley Howe 1979-4-30 Los Angeles 2 Miles northwest of Devil's Punch Bowl 1435 Comment
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Jul 11 2010
  UCR190404  Layia glandulosa R. G. Swinney 2001-4-18 7904 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  POM361623  Layia glandulosa George B. Grant 1904-5-5 4074 Los Angeles Arroyo Seco canyon, Sierra Madre Mountains Comment
  SBBG131667  Layia platyglossa S. A. Junak 1999-5-20 SCa 931 Los Angeles ridge between Cottonwood and Escondido Cyns, S side of Cottonwood-Black Jack Rd, ca. 0.6 mi up from reservooir 256 Comment
  UC133404  Layia platyglossa Ernest Braunton 1902-3-1 158 Los Angeles Eagle Rock Canyon Comment
  UCR258764  Layia platyglossa R. G. Swinney 2010-6-1 13129 Los Angeles San Gabriel Mountains, lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  SBBG17875  Layia platyglossa P. H. Raven 1962-4-12 17331 Los Angeles S of cyn below the Tomb 228 Comment
  RSA161324  Layia platyglossa subsp. campestris Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Canyon 198 Comment
  UC520383  Lemna gibba Louis C. Wheeler 1932-8-28 1301 Los Angeles San Jose Hills, Puddingstone Dam Puddingstone Dam; San Jose Hills, Puddingstone Dam 274 Comment
  SFV1444  Lepidium didymum R. L. Armacost 1958-5-1 992 Los Angeles Santa Monica. Santa Monica City College campus. Comment
  UC184285  Lepidium flavum A. D. E. Elmer Jun 1902 3653 Los Angeles Lancaster Comment
  RSA0091363  Lepidium fremontii R. G. Swinney 2011-4-1 14302 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR280548  Lepidium fremontii R. G. Swinney 2014-4-17 16076 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
  RSA252943  Lepidium fremontii var. fremontii R. F. Thorne, Gary D. Wallace 1973-4-24 43429 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom 1174 Comment
  RSA526546  Lepidium nitidum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4233 a Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA612149  Lepidium perfoliatum Steve Boyd, Kent Hughes 1998-5-5 10191 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  UCR130842  Lepidium perfoliatum David Charlton 1989-4-21 2882 Los Angeles Mojave Desert (W): Antelope Valley, Ave. 'B' between 120th and 140th St. East, just south of Edwards Air Force Base. 701 Comment
  RSA429968  Lepidium pinnatifidum Wm. Martin, Robert Gustafson 1971-7-14 s.n. Los Angeles Crenshaw and Rodeo Blvd., Los Angeles. Comment
  LA204443  Lepidium virginicum A. M. Johnson; 1933-5-20 4307 Los Angeles Fish Canyon Wash, N side Foothill Boulevard, just W of bridge Comment
  CAS-BOT-BC13008  Lepidium virginicum Lewis S. Rose 1937-4-9 37081 Los Angeles Near Llano, 3 miles southeast of Palmdale. 1036 Comment
  CAS-BOT-BC60047  Lepidium virginicum var. menziesii Frank W. Peirson 1921-3-3 2357 Los Angeles San Gabriel Mountains. Hills of the Arroyo Seco. 426 Comment
  SBBG91840  Lepidium virginicum var. pubescens S. A. Junak 1978-4-15 SCa 021 Los Angeles N side of Cherry Valley above Boy Scout Camp 30 Comment
  UCSB49607  Lepidospartum latisquamum Roos, John 1951-7-30 Los Angeles Swartout Valley between Wrightwood and Big Pines, San Gabriel Mts. 1981 Comment
  SFV17994  Lepidospartum squamatum J. N. Hogue 1999-8-26 149 .1 Los Angeles Santa Monica Mountains Triunfo Canyon at Lake Enchanto. Peter Strauss Ranch. 230 Comment
  UC472177  Lepidospartum squamatum J. Ewan 1931-10-24 5272 Los Angeles one mile above Malibu Lake; Santa Monica Mts. Comment
  RSA0048497  Lepidospartum squamatum Sol Karlin 1965-7-24 s.n. Los Angeles Tujunga Wash, San Gabriel Mountains. 609 Comment
  POM3482  Leptosiphon aureus Henry M. Ford 1903-05 s.n. Los Angeles Collected near Pasadena. Comment
  RSA469969  Leptosiphon bicolor M. B. Dunkle 1939-11-25 7258 Los Angeles San Clemente Island: Eagle Canyon. Comment
  UCSB32964  Leptosiphon breviculus Patterson, R.; Mason, R.; Trager, J. 1978-6-20 Los Angeles San Gabriel Mtns., Calif. Hwy. 2, ca. 4 mi. W of Bigpines 2300 Comment
  CHSC4748  Leptosiphon ciliatus M. MacArthur 1967-6-24 63 Los Angeles .7 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
  RSA756274  Leptosiphon liniflorus Michael Honer, Crissy Slaughter, Julie Love 2009-4-30 3296 Los Angeles Antelope valley; Along 170th Street West, appx. 1.5 mi. N of Highway 138. 805 Comment
  SD234292  Leptosyne bigelovii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25711 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon. 334 Comment
  SBBG17015  Leptosyne gigantea K. A. Wilson 1961-2-4 836 Los Angeles US Hwy 101 A, ca. 2 mi W of Decker Rd (Hwy 23) Comment
  CAS-BOT-BC339272  Lessingia glandulifera var. glandulifera B. Ertter; J. Strachan 1979-6-29 3008 Los Angeles N edge of Angeles Nat'l Forest ca 9 air-miles ESE of Pearblossom, 1.7 mi N of Mile High on County Hwy N4 1463 Comment
  POM153337  Lessingia glandulifera var. glandulifera P. A. Munz, I. M. Johnston 1928-9-5 11177 Los Angeles road from Rock Creek to Big Pines 1371 Comment
  SBBG63086  Lessingia glandulifera var. glandulifera unknown 1928-8-26 Los Angeles Big Tujunga Wash Comment
  UCR25572  Lessingia glandulifera var. glandulifera M. Partsch 1977-5-14 37 Los Angeles Western Mojave Desert, Palmdale Blvd at 140th St. East [SW of Lake Los Angeles] 1067 Comment
  CAS-BOT-BC339564  Lessingia glandulifera var. peirsonii John Thomas Howell 1927-11-13 3200 Los Angeles 1 1/2 miles east of Elizabeth Lake, Liebre Mts. 914 Comment
  CAS-BOT-BC283780  Leymus cinereus W. R. Dudley; F. H. Lamb 1896-6-4 4304 Los Angeles Lancaster Comment
  UCD87719  Leymus triticoides Peter H. Raven 1962-5-22 17851 Los Angeles Santa Catalina Island. 1 mile below Middle Ranch. Comment
  RSA0088411  Ligustrum lucidum R. G. Swinney 2010-2-27 11761 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  RSA788186  Lilium humboldtii Doris Bowers 1967-7-19 821 Los Angeles Topanga Canyon 610 Comment
  UCSB50283  Lilium humboldtii Reisentz, Paul 1975-6-7 Los Angeles Twin Falls Reserve, 1 mile east on Stunt Rd. from Mulholland Hwy 274 Comment
  LA22058  Lilium humboldtii subsp. ocellatum W. O. Griesel; 1936-6-16 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon Comment
  UC1922870  Lilium humboldtii subsp. ocellatum R. E. Riefner Jr. 2006-6-12 06 -236 Los Angeles Verdugo Mountains, N of side of 210 Freeway, W ca. 0.6 mi from La Tuna Canyon Rd. exit. Comment
  POM65161  Linanthus californicus C. F. Baker 1903-8-2 3652 Los Angeles San Antonio Canyon, Claremont. Comment
  RSA122988  Linanthus californicus G. T. Nordstrom 1935-2-26 339 Los Angeles 21/2 mi. S.E. of Mouth of Liebre Gulch. 671 Comment
  RSA468426  Linanthus californicus Edwin Kline 1924-6-22 s.n. Los Angeles Mt. Wilson Comment
  RSA652607  Linanthus californicus Horton Sherwood 1948-5-5 3 Los Angeles 18 miles north of Azusa on the road to Crystal Lake. 609 Comment
  RSA468439  Linanthus californicus subsp. glandulosus L. C. Wheeler 1933-3-31 1558 Los Angeles Topango [Topanga] Canyon, Santa Monica Mountains. 152 Comment
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May 29 2014
  RSA660394  Linanthus concinnus Orlando Mistretta 1992-6-19 599 Los Angeles Angeles National Forest; Timber Mountain, San Gabriel Mountains. Comment
  LA52351  Linanthus dianthiflorus A. M. Johnson; 1932-2-27 3840 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UCR223035  Linanthus parryae R. G. Swinney 2009-5-6 10674 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  RSA252896  Linanthus parryae R. F. Thorne 1973-5-11 43553 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
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Apr 5 2012
  RSA73283  Linanthus pungens F. W. Peirson 1921-6-16 2828 Los Angeles Ridge Westward from summit of Mt. Waterman, San Gabriel Mts. 2256 Comment
  UCR272564  Linanthus pungens R. G. Swinney 2011-8-5 15598 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
  SBBG98628  Linanthus pygmaeus subsp. pygmaeus T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5337 Los Angeles between Box and Horse Cyns 484 Comment
  RSA602977  Lithophragma bolanderi Louis C. Wheeler 1967-5-18 9627 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  CLARK-A1528-4106  Lithophragma heterophyllum John C. Roos 1942-4-18 1083 Los Angeles San Gabriel Mountains Comment
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Aug 22 2016
  CAS-BOT-BC428417  Lithophragma tenellum Joseph Andorfer Ewan 14 June 192 7413 Los Angeles Head of Santiago Canyon, north slope Pacifico Mt., San Gabriel Mts. 1889 Comment
  POM4569  Lobelia dunnii var. serrata C. F. Baker 1903-9-20 3699 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA436336  Lobelia dunnii var. serrata L. C. Wheeler 1931-9-6 61 Los Angeles Wolfskill Canyon, San Gabriel Mountains 533 Comment
  SD41386  Lobularia maritima Edith A. Purer 1931-4-9 Los Angeles El Segundo Comment
  CAS-BOT-BC342195  Logfia filaginoides F. W. Peirson 1921-6-20 5278 Los Angeles West fork San Gabriel River, San Gabriel Mts. 533 Comment
  SBBG98054  Logfia filaginoides T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5216 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  RSA785593  Lolium perenne subsp. multiflorum Doris Bowers 1968-6-29 692 Los Angeles Diamond Bar Ranch 305 Comment
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Aug 20 2014
  RSA13881  Lolium rigidum L. C. Wheeler 1933-6-24 1875 Los Angeles Sepulveda Blvd. at Los Angeles River, San Fernando Valley 198 Comment
  UCR102620  Lomatium mohavense B. G. Pitzer 1998-5-23 3749 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UC1375330  Lomatium utriculatum C. W. Tilforth 1969-4-14 181 Los Angeles between Whittier and West Covina (along Colima Ave. just n. of Punta del Este Rd.) Comment
  RSA452145  Lomatium vaginatum Robert Gustafson 1978-5-2 891 Los Angeles Off dirt road leading into Hungry Valley 0.2 mile from the junction with the 2-lane paved Peace Valley Rd., west of Gorman 1249 Comment
  UCR165068  Lonicera interrupta A. C. Sanders, Helen Kennedy 2005-4-13 29468 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  PASA276  Lonicera subspicata Annetta Carter 1929-1-1 Los Angeles Mouth of Big Santa Anita Canyon Comment
  RSA406764  Lotus argophyllus subsp. ornithopus Reid V. Moran 1941-2-19 594 Los Angeles San Clemente Island. Middle Ranch. 500 Comment
  RSA213376  Lotus argophyllus subsp. ornithopus M. B. Dunkle 1939-4-4 7252 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  RSA534077  Lotus argophyllus var. adsurgens T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5249 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']. Upper portion of drainage 389 Comment
  POM2476  Lotus crassifolius var. crassifolius I. M. Johnston 1917-7-1 1751 Los Angeles San Antonio Mountains; Near Browns Flats. 1372 Comment
  RSA406094  Lotus crassifolius var. crassifolius Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  POM50101  Lotus dendroideus var. dendroideus L. W. Nuttall 1920-11-29 948 Los Angeles Avalon Creek, Santa Catalina Island. Comment
  UC457227  Lotus grandiflorus Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mountains Comment
  RSA176757  Lotus grandiflorus var. grandiflorus Donald W. Kyhos 1962-4-8 62 -82 Los Angeles Stuntz Road 2.2 miles from junction with Mulholland Highway Comment
  RSA0081784  Lotus heermannii R. G. Swinney 2010-9-7 13715 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA709409  Lotus humistratus A. C. Sanders, T. B. Salvato 2005-4-26 29724 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines. 610 Comment
  UCR274997  Lotus humistratus Michael Honer, Rachel Woodard 2006-4-24 2223 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile east of aqueduct; 1 mile north of Hwy 138 1006 Comment
  RSA732937  Lotus nevadensis R. G. Swinney 1998-7-8 6344 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA229730  Lotus nevadensis var. davidsonii R. F. Thorne 1971-6-26 40604 Los Angeles Summit of Mt. Wilson. 1738 Comment
  POM304866  Lotus oblongifolius var. oblongifolius H. J. Ramsey 1937-7-18 269 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  UCR192938  Lotus purshianus Dan S. Cooper 2008-5-30 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., unnamed canyon along south side of Forest lawn Dr. (across from tennis club), just northwest of border of Griffith Park, Los Angeles 180 Comment
  POM128895  Lotus salsuginosus F. M. Reed 1909-7-2 2809 Los Angeles Pebbly Beach Road, Santa Catalina Island Comment
  UC200703  Lotus salsuginosus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UCR149830  Lotus salsuginosus Scott D. White, Pam Devries 2004-5-18 10406 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
  RSA653281  Lotus scoparius var. brevialatus Kelly Middleton, David Middleton 1988-5-23 24 Los Angeles Glendora Ridge Road, 8.4 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1066 Comment
  POM305738  Lotus scoparius var. scoparius H. J. Ramsey 1937-6-27 916 Los Angeles Bear Creek, north of Pacoima Reservoir, Angeles National Forest, San Gabriel Mountains. Comment
  RSA250692  Lotus strigosus R. F. Thorne 1971-4-2 41433 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  RSA620240  Lotus strigosus B. Pitzer 1998-5-23 3745 Los Angeles Western Transverse Range Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR259646  Lotus strigosus R. G. Swinney 2010-4-1 12129 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA90391  Lotus strigosus F. W. Peirson 1920-5-9 4693 Los Angeles east trail to Mt. Lowe 1341 Comment
  RSA273194  Lotus strigosus var. strigosus Glenn A. Gorelick 1978-4-8 s.n. Los Angeles Santa Catalina Island. Canyon west of Cottonwood Canyon. Comment
  RSA589181  Lotus tomentellus T. S. Ross 1991-4-28 4749 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  CAS-BOT-BC198388  Lupinus albifrons Reid Moran 1950-7-1 3446 Los Angeles Nera the ranch house San Miguel Island Comment
  UC185431  Lupinus albifrons Katharine Brandegee 1916-5-20 Los Angeles Santa Catalina Island Comment
  SEINET10488416  Lupinus albifrons David B. Dunn 1957-4-2 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa# 6452 x 6456 Comment
  RSA406978  Lupinus albifrons var. eminens Geo. L. Moxley 1920-5-1 s.n. Los Angeles Catalina Island. Comment
  JEPS64997  Lupinus bicolor Dr. A. Davidson 1891-1 Los Angeles Los Angeles Comment
  RSA191027  Lupinus bicolor R. F. Thorne 1963-5-5 32325 a Los Angeles Open, burned-over ridge top, Cobal Canyon, foothills of San Gabriel Mts. 4 mi. North of Claremont 518 Comment
  RSA620238  Lupinus bicolor B. Pitzer 1998-5-23 3734 Los Angeles Western Transverse Range Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  RSA679205  Lupinus bicolor Michael Denslow, S. D. Boyd 2003-5-7 1085 Los Angeles Lower Glendora Ridge Motorway (1N26) above Azusa. 610 Comment
  UCR258893  Lupinus bicolor R. G. Swinney 2010-4-30 12468 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  UCD107262  Lupinus bicolor Elise Jackson 1993-4-20 33 Los Angeles Newhall, Placerita Canyon Nature Center, no. side of entrance to Canyon Trail, across stream. 487 Comment
  POM350015  Lupinus bicolor subsp. marginatus Robert Gustafson 1978-6-1 991 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
  POM12240A  Lupinus bicolor subsp. microphyllus F. L. Robinson 1921-4-20 40 Los Angeles Claremont. Comment
  RSA594537  Lupinus concinnus L. C. Wheeler 1967-5-9 9374 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  SFV1874  Lupinus concinnus P. G. Kilburn 1958-4-12 737 Los Angeles Saugus district of Angeles National Forest. Sawmill Mountain area, 0.5 miles east of entrance to Lower Shake Campground. 1250 Comment
  RSA590525  Lupinus concinnus Orlando Mistretta 1994-3-30 966 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  SEINET3440246 Image available Lupinus excubitus G. Helmkamp 1997-3-6 1353 Los Angeles Western Mojave Desert west of Lancaster, along Lancaster Rd, just S of California Poppy Preserve. 793 Comment
  UCR78130  Lupinus excubitus Wandalee Thompson 1964-4-14 14 Los Angeles Transverse Range; Liebre Mtns., Oakdale Canyon at mouth of Richardson Canyon, 2 miles west of Three Points on N-2, Pine Canyon Road, 1159 Comment
  LA205060  Lupinus excubitus var. austromontanus Carl Epling; 1926-4-24 sn Los Angeles near Saugus Comment
  RSA755626  Lupinus excubitus var. austromontanus R. G. Swinney 2008-7-15 9204 Los Angeles Winston Peak. 2275 Comment
  RSA656079  Lupinus excubitus var. hallii James Henrickson 1985-3-30 19758 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
  SEINET10485303  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 x 6453(?)(2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  SBBG69108  Lupinus formosus R. Hoffmann 1927-6-14 Los Angeles Chandler's Comment
  RSA586062  Lupinus formosus var. formosus Orlando Mistretta 1995-6-20 1814 Los Angeles Bare Mountain Canyon. 1738 Comment
  POM11095  Lupinus formosus var. formosus H. D. Collins 1921-4-22 35 Los Angeles Claremont. 366 Comment
  RSA641519  Lupinus hyacinthinus L. C. Wheeler 1967-9-4 10651 Los Angeles San Gabriel Mountains: Pine Mountain Ridge 2241 Comment
  RSA718068  Lupinus hyacinthinus R. G. Swinney 1997-8-19 5809 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
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May 4 2010
  SEINET10485437  Lupinus hyacinthinus Robert F. Thorne 1972-8-11 Thorne 42208 Los Angeles San gabriel mts, angels nat'l forest: mt. Waterman, e end of mt waterman ridge, Se facing slope. 2316 Comment
  SEINET6655428  Lupinus latifolius var. parishii Victor Duran 1933-7-21 3523 Los Angeles Buckhorn, San Gabriel Mts.; 0 1981 Comment
  CAS-BOT-BC211692  Lupinus longifolius Philip A. Munz 1949-5-10 13389 Los Angeles La Crescenta Comment
  UCR205181  Lupinus longifolius R. G. Swinney 2008-4-30 8715 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UC527611  Lupinus longifolius C. B. Wolf 1931-6-25 2243 Los Angeles along Beverly Blvd. on grade leading down into Santa Monica Canyon; on grade leading down into Santa Monica Canyon 45 Comment
  RSA589201  Lupinus odoratus var. odoratus Tim S. Ross 1991-4-27 4673 Los Angeles Mojave Desert: Black Butte Basin Road: 1.95 miles and ca 148 deg SW of Three Sisters buttes. 982 Comment
  SEINET10871080  Lupinus pasadenensis Rowntree 1936-4-20 ROWNTREE s.n. Los Angeles At the end of new york avenue towards pasadena glen, pasadena, ca. Growing in Decomposed granite. Comment
  RSA641672  Lupinus peirsonii Orlando Mistretta 1993-7-6 930 Los Angeles San Gabriel Mountains: Dawson Saddle Trail 2475 Comment
  UCD38458  Lupinus pusillus var. rubens Beecher Crampton 1955-4-28 2720 Los Angeles State Hwy. 138, 5 miles west of Desert Springs. Comment
  RSA756082  Lupinus sparsiflorus R. G. Swinney 1998-4-14 5987 Los Angeles Pinyon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands. 1299 Comment
  SFV1918  Lupinus sparsiflorus P. G. Kilburn 1958-4-18 754 Los Angeles Solemint Canyon about 3 miles south of junction with U.S. Highway 6. Comment
  RSA414304  Lupinus succulentus F. R. Fosberg 1931-4-10 689 Los Angeles Avalon Canyon, Santa Catalina Island 160 Comment
  UC185428  Lupinus succulentus Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  UCR152488  Lupinus succulentus A. C. Sanders, Lee Jones 2005-4-8 29372 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR165245  Lupinus succulentus A. C. Sanders, Helen Kennedy 2005-4-13 29466 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  UCR88508  Lupinus succulentus Scott D. White, Chet McGaugh 1995-5-16 3076 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
  UCR194736  Lupinus truncatus Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 749 Los Angeles Transverse Range: Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motortway 427 Comment
  UCR233748  Lupinus truncatus Jeremiah George 2012-3-11 s.n. Los Angeles South Coast, Palos Verdes Estates, just east of junction of Palos Verdes Blvd., Palos Verdes West and Palos Verdes Dr. North 73 Comment
  SFV15693  Lupinus truncatus H. L. Fredell 1992-4-22 105 Los Angeles San Gabriel Mountains Chiquito Canyon, Chiquito Canyon Road, 1.2 miles northeast of CA-Highway 126. Comment
  UC1870212  Lycium cooperi LeRoy Gross 2005-5-3 2206 Los Angeles Transverse Ranges; San Gabriel Mountains region; West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Comment
  CAS-BOT-BC140224  Lyonothamnus floribundus subsp. aspleniifolius Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA544553  Lyonothamnus floribundus subsp. aspleniifolius Tim S. Ross, Kellogg 1992-4-11 6113 Los Angeles San Clemente Island; West fork of China Canyon 259 Comment
  RSA77095  Lyonothamnus floribundus subsp. aspleniifolius F. W. Peirson 1923-4-10 3454 Los Angeles North slope canyon about 10 miles southeast of Wilson's Cove, San Clemente Island. Comment
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Jan 12 2015
  POM243678  Lyonothamnus floribundus subsp. floribundus F. R. Fosberg 1931-5-19 S 4918 Los Angeles Santa Catalina Island. Head of Swain's Canyon, base of Blackjack Mountain Comment
  SD53084  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-20 17786 Los Angeles Santa Catalina Island, more than 100 trees, grove above Whites Landing on Airport Raod 427 Comment
  CATA1001  Lysimachia arvensis Mark L. Hoefs 1994-7-18 1881 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  RSA737272  Madia elegans Scott D. White, Chris Huntley 2008-9-30 12542 Los Angeles San Gabriel Mountains: Mt Gleason 1982 Comment
  UCR228149  Madia gracilis R. F. Thorne 1965-5-10 34481 Los Angeles Channel Islands, Santa Catalina Island, upper end of Gallagher Canyon 412 Comment
  SD66863  Malacothamnus clementinus R. Mitchel Beauchamp 1967-3-18 287 Los Angeles San Clemente Island, in dump on edge of canyon below Lemon Tank. Comment
  CAS-BOT-BC231879  Malacothamnus davidsonii Carl B. Wolf 1931-7-30 3904 Los Angeles 1/2 mile east of San Fernando, San Fernando Valley 304 Comment
  RSA6078  Malacothamnus davidsonii Carl B. Wolf 1932-9-15 4076 Los Angeles 0.5 miles south of San Fernando, and 2 blocks east of San Fernando Road on Vaughn Ave. 305 Comment
  CAS-BOT-BC206206  Malacothamnus fasciculatus Peter H. Raven 1962-5-20 17778 Los Angeles Near Bird Park, Avalon, Santa Catalina Island Comment
  UCR212781  Malacothamnus fasciculatus Ellen Mackey, Blake Whittington 2006-9-28 NFWF- 1767 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel [River] Watershed, Tanbark Flats, Forest Service area 838 Comment
  UC1366102  Malacothamnus fasciculatus var. fasciculatus Stanislaw Modzelewski 1962-7-30 lasca 475 Los Angeles In chaparral above Malibu (on coastal slope of Santa Monica Mountains); Santa Monica Mountains Comment
  SBBG66063  Malacothrix californica R. Hoffmann 1925-4-19 Los Angeles between Antelope Valley and Elizabeth Lake Comment
  SBBG98332  Malacothrix clevelandii Anstruther Davidson -Jul-1893 Los Angeles Switzers Camp Comment
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Mar 31 2015
  RSA597447  Malacothrix foliosa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5241 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  UC133516  Malacothrix foliosa Blanche Trask Los Angeles Santa Barbara Island Comment
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Feb 14 2006
  SBBG12551  Malacothrix foliosa subsp. foliosa P. H. Raven 1962-5-8 17625 Los Angeles near W shore of island opposite Wilson Cove 45 Comment
  UCR205846  Malacothrix glabrata R. G. Swinney 2008-5-8 8815 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  SBBG44742  Malacothrix glabrata Leota Davidson 1965-5-9 125 Z Los Angeles ca. 6-10 mi E of Littlerock Comment
  CAS-BOT-BC347915  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1946-7-21 46229 Los Angeles N. end of Hollywood Reservoir, Los Angeles 228 Comment
  RSA643393  Malacothrix saxatilis var. tenuifolia Orlando Mistretta 1992-9-16 812 Los Angeles San Gabriel Mountains: Near Oak Springs. Oak Springs Trail; Tujunga Ranger District. 792 Comment
  UC1069910  Malacothrix saxatilis var. tenuifolia A. D. Gifford 1934-5-8 204 Los Angeles 3 2/10 mi w and 1 3/10 mi n Castro Pk; Triunfo Pass Quad. Comment
  UCR271147  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-7-8 15495 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CAS-BOT-BC347920  Malacothrix saxatilis var. tenuifolia J. G. Williamson 1928-8-4 s.n. Los Angeles Catalina Isl. Comment
  RSA94954  Malacothrix saxatilis var. tenuifolia F. W. Peirson 1921-7-20 2118 Los Angeles San Gabriel River. 457 Comment
  RSA660897  Malosma laurina Ann Williams 1992-5-14 20 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  RSA786327  Malosma laurina K. Dobry 1991-6-27 791 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  UC1130577  Malosma laurina Jerome S. Horton 1935-7-18 213 Los Angeles below dam Dalton Canyon; Pomona Quad., Dalton Canyon Comment
  POM13564  Malva nicaeensis P. A. Munz 1922-5-10 5600 Los Angeles Claremont. 366 Comment
  UCR127389  Malva parviflora A. C. Sanders, Mark Elvin 2002-8-7 25559 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA0011883  Malva parviflora P. R. Brown 1970-4-24 Los Angeles Canon de Lana. Comment
  UCR274961  Marah fabacea Michael Honer, Rachel Woodard 2006-4-11 2175 Los Angeles Tehachapi Mountains area, Grazed hills c. 3.5 miles ENE of Quail Lake 976 Comment
  POM296450  Marah macrocarpa Lyman Benson 1945-5-21 11718 Los Angeles Claremont: Indian Hill. Pacific Slope Drainage Area. 396 Comment
  RSA3681  Marah macrocarpa C. B. Wolf 1932-5-9 3455 Los Angeles Pebbly Beach, Santa Catalina Island. 30 Comment
  SD20937  Marah macrocarpa Paul F. Covel 1938-4-19 Los Angeles Mojave near Lancaster Comment
  UC1971404  Matricaria discoidea Louis C. Wheeler 1967-5-15 9600 Los Angeles SAN GABRIEL MOUNTAINS: Elsmere Canyon; bottom of canyon near mouth. Comment
  POM148420  Meconella denticulata C. F. Baker 1904-5-2 4166 Los Angeles Hills near Claremont Comment
  POM148424  Meconella denticulata L. R. Abrams 1901-4-11 1411 Los Angeles Santa Monica Canyon, Santa Monica Mountains. Comment
  POM321  Meconella denticulata I. Johnston 1917-5-6 1925 Los Angeles Evey Canyon: N of Claremont. 625 Comment
  RSA445536  Meconella denticulata Martha Hilend 1928-4-18 127 Los Angeles Griffith Park. Comment
  SBBG15801  Meconella denticulata W. G. Webb 1935-1 Los Angeles near Eagle Rock Comment
  UC1922583  Meconella denticulata Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1155 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 412 Comment
  SBBG133373  Medicago polymorpha J. Lambert, S. McDonough 2005-4-6 Bot 53 -05 Los Angeles Swat 2 near roadside 16 Comment
  RSA4768  Medicago polymorpha James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  SD51866  Medicago polymorpha Peter H. Raven 1962-4-9 17131 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  POM348052  Medicago polymorpha var. brevispina C. B. Liter, J. A. Powell 1928-4-5 s.n. Los Angeles Catalina Island. Banning Canyon. Comment
  RSA773854  Medicago sativa R. G. Swinney 2009-8-19 11458 Los Angeles Confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  SEINET12192460  Melaleuca armillaris Unknown 1944-1 s.n. Los Angeles near Los Angeles Comment
  RSA660205  Melica imperfecta Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 22 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  RSA747857  Melica imperfecta Scott D. White, Justin M. Wood 2009-5-6 12678 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA771582  Melica imperfecta R. G. Swinney 2009-5-6 10661 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  SBBG56873  Melica imperfecta R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SEINET10599448  Melica imperfecta F. R. Fosberg 1931-3-31 Fosberg S 4430 Los Angeles Avalon. Santa Catalina Island. Ocean bluffs. Littoral zone. 8 Comment
  CATA1087  Melilotus albus Mark L. Hoefs 1995-5-16 2037 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  RSA0112555  Melilotus indicus R. G. Swinney 2011-6-29 15336 B Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon, confluence with Mill Creek. 1098 Comment
  RSA654334  Melilotus indicus Benjamen Rangel 1992-5-10 777 -40 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  UC557705  Melilotus indicus Nell Murbarger April, 1938 134 Los Angeles San Clemente Island; s end Comment
  UCR205250  Mentha aquatica R. G. Swinney 2005-8-11 8466 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  CATA356  Mentha spicata Mark L. Hoefs 1973-7-20 401 Los Angeles Santa Catalina Island: Along stream bed, by Edison pump station, upper Middle Ranch Canyon 274 Comment
  UCR177518  Mentha suaveolens Scott D. White 2003-7-31 9718 Los Angeles Transverse Ranges; San Gabriel Mountains region, Tujunga area. Big Tujunga Wash south of the I-210 freeway. S terminus of Christy Ave. 329 Comment
  SD85086  Mentzelia affinis E. R. Blakley 1962-6-9 5194 Los Angeles San Clemente Island, sand flat Ao mile toward Pyramid Cove from China Point 99 Comment
  RSA603878  Mentzelia dispersa Louis C. Wheeler 1948-6-13 6647 Los Angeles San Gabriel Mountains: Coldwater Canyon, off Big Tujunga. 1006 Comment
  UCR263211  Mentzelia jonesii Ed Kentner 2014-3-21 361 Los Angeles Western Mojave Desert, c. 13 km east of Pearblossom, near the corner of Largo Vista Road and Avenue X-8 1876 Comment
  RSA305703  Mentzelia micrantha Mark Hoefs, D. Propst 1973-5-4 257 Los Angeles Santa Catalina Island, W end road just beyond Cherry Cove, near Lyon s Head Point 46 Comment
  RSA446769  Mentzelia micrantha L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon, Angeles Forest; Pacoima Wash. Open trail side. Comment
  VVC3372  Mentzelia micrantha Tim Thomas 1973-5-1 17 Los Angeles Transverse Range, Santa Monica Mountains, upper Cold Creek Road. 267 Comment
  RSA0105161  Mentzelia veatchiana R. G. Swinney 2011-5-12 14672 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
  RSA60194  Mentzelia veatchiana E. K. Balls, L. W. Lenz 1950-3-28 14466 Los Angeles 1 mile east of junction of Hwys 99 and 138, just south of Gorman. 1159 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
  UCR271395  Mentzelia veatchiana R. G. Swinney 2011-5-12 14672 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
  RSA250697  Mentzelia veatchiana Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39506 -b Los Angeles SAN GABRIEL MTS.: Edge of Angeles National Forest in Grandview Canyon, ca. 5 mi. S of Hwy. 138, ca. 10 mi. SE of Pearblossom 1433 Comment
  RSA190950  Mesembryanthemum crystallinum R. F. Thorne 1966-4-4 35783 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  CDA36187  Mesembryanthemum nodiflorum A. C. Sanders 2010-5-7 38332 Los Angeles South Coast; Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary. Comment
  RSA603557  Mesembryanthemum nodiflorum Sara L. Crockett 1997-3-20 594 Los Angeles Santa Catalina Island, point overlooking and NE of Ben Weston Beach. 165 Comment
  SBBG108134  Mesembryanthemum nodiflorum S. L. Crockett 1997-3-20 594 Los Angeles point overlooking and NE of Ben Weston Beach 164 Comment
  UC851881  Mesembryanthemum nodiflorum F. R. Fosberg 1931-4-29 S 4732 Los Angeles 1 1/2 mi below Eagle's Nest (Middle Ranch Canyon); Santa Catalina Island, Middle Ranch Canyon 100 Comment
  SFV10357  Micropus californicus M. L. Vincent 1963-5-22 358 Los Angeles Santa Monica Mountains Intersection of Old Topanga Canyon Road and Mulholland Highway, 0.5 miles off road. Comment
  RSA393756  Micropus californicus var. californicus L. C. Wheeler 1934-4-15 2520 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  UC206204  Microseris douglasii subsp. platycarpha Katharine Brandegee Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC349096  Microseris douglasii subsp. tenella Kenton L. Chambers 1954-4-26 498 Los Angeles Ventura Blvd. (Hwy. 101), Russell Valley, ca. 3 mi. e. of Thousand Oaks Comment
  RSA784354  Microsteris gracilis Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 9 Los Angeles Road 7N23 turn from road 7N08 Comment
  SEINET6043913  Microsteris gracilis Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  SD65469  Mimetanthe pilosa Reid Moran 1967-7-22 14086 Los Angeles dry wash; canyon south of Chilao, San Gabriel Mountains 1550 Comment
  UCR177926  Mimulus aurantiacus LeRoy Gross 2001-5-28 417 Los Angeles Los Angeles Basin region, Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City 476 Comment
  RSA439245  Mimulus aurantiacus var. pubescens H. L. Bauer 1931-3-1 s.n. Los Angeles Topanga Canyon. Comment
  UC917892  Mimulus aurantiacus var. pubescens Frank W. Gould 1944-4-16 2302 Los Angeles near corner of Skyline Drive and Ardsheal Drive; Whittier Hills Comment
  UCR271799  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-7 12588 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
  RSA408174  Mimulus brevipes Robin S. Collins 1973-4-9 238 Los Angeles Angeles National Forest, San Gabriel Mounts: Trail Canyon. 610 Comment
  UCR277041  Mimulus brevipes R. G. Swinney 2010-5-25 12925 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  LA82052  Mimulus cardinalis O. H. Kappler; 1940-5-12 11 Los Angeles Santa Monica Mountains, West Fork, Las Trancas (Rattlesnake) Canyon 365 Comment
  RSA420666  Mimulus cardinalis F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5571 Los Angeles Little Jimmy Spring, Windy Camp, north slope Mt. Islip, San Gabriel Mountains. 2300 Comment
  UCR3455  Mimulus cardinalis Bob Arthur 1964-5-10 640510- 3 Los Angeles San Gabriel Mountains, Monrovia Canyon, on North Canyon Blvd, 1.5 mi. from gate 610 Comment
  JEPS11020  Mimulus floribundus Frank W. Peirson 1921-6-19 2456 Los Angeles Crystal Lake San Gabriel Mountains 1676 Comment
  UCR203192  Mimulus floribundus R. G. Swinney 2005-5-21 8266 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  POM7  Mimulus fremontii var. fremontii Will Crowley 1903-05 s.n. Los Angeles Collected near Pasadena Comment
  RSA408113  Mimulus fremontii var. fremontii H. E. Hasse, Anstruther Davidson 1906-06 1492 Los Angeles Big Rock Creek. Comment
  RSA598371  Mimulus fremontii var. fremontii Louis C. Wheeler 1967-5-24 9738 Los Angeles Indian Canyon, near mouth 701 Comment
  RSA0105039  Mimulus guttatus R. G. Swinney 2011-4-26 14471 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA648709  Mimulus guttatus Paul Neipp 1994-4-8 3 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  UCR125142  Mimulus guttatus A. C. Sanders, Mark Elvin 2002-6-25 25293 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  RSA0056592  Mimulus johnstonii Naomi Fraga, Elizabeth A. Kempton 2008-7-2 2301 Los Angeles Pacific Crest Trail, ca. 0.5 miles north of Islip Saddle on route to Mount Williamson. 2226 Comment
  RSA755846  Mimulus moschatus R. G. Swinney 2008-7-2 9124 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
  RSA714526  Mimulus parishii A. C. Sanders, T. B. Salvato 2005-5-24 30242 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River. 518 Comment
  SFV12656  Mimulus pilosus M. H. Grayum, H. Grayum 1977-11-27 904 Los Angeles San Fernando Valley Big Tujunga Wash. In caked, hard mud flats just behind Hansen Dam. 305 Comment
  UC1586187  Mimulus pilosus Tim Ross 1991-8-16 5829 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad (bed of dry stream) 1719 Comment
  UCD169569  Minuartia douglasii R. G. Swinney 1998-6-16 6977 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  CAS-BOT-BC174761  Minuartia nuttallii var. gracilis Robert F. Thorne; C. W. Tilforth; John Dourley 1971-7-27 41068 Los Angeles San Gabriel Mts., Angeles National Forest: West Baldy Peak on ridge running E toward Old Baldy (Mt. San Antonio) 3017 Comment
  RSA0077095  Mirabilis laevis R. G. Swinney 2010-4-15 12226 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  CATA255  Mirabilis laevis var. crassifolia Mark L. Hoefs, A. Douglas Propst 1973-5-4 259 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  LA200671  Mirabilis laevis var. crassifolia E. Lloyd; 1933-4-8 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  RSA0027971  Mirabilis laevis var. crassifolia Richard A. Goodfellow 1948-4-28 s.n. Los Angeles By ranger station on north side of mountain at San Dimas. Comment
  CAS-BOT-BC434878  Mirabilis multiflora var. pubescens Ynez Whilton Winblad 1941-6-4 s.n. Los Angeles Antelope Valley Comment
  CAS-BOT-BC219888  Monardella breweri subsp. breweri J. Ewan 1931-7-4 4737 Los Angeles Near Gold Creek Road, Pacoima Canyon, San Gabriel Mts. Comment
  UCR115990  Monardella breweri subsp. lanceolata A. C. Sanders, D. Malueg 1998-6-22 22038 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  CAS-BOT-BC221701  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin; Adam Clause 2008-5-30 5972 Los Angeles Transverse Ranges: Santa Monica Mtns: Santa Ynez Cyn, ca. 300m N of Verde De La Montura Rd. Comment
  JEPS63341  Monardella lanceolata I. M. Johnston 1918-9-1 2139 Los Angeles Brown's Flats San Gabriel Mts., San Antonio Mts. 1310 Comment
  RSA699467  Monardella lanceolata LeRoy Gross, P. Morton 2004-6-10 1377 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  SEINET12272525  Monardella lanceolata Unknown 1933-1 3514 Los Angeles Sulphur Springs, San Gabriel Mountains 1524 Comment
  RSA13721  Monardella viridis subsp. saxicola Louis C. Wheeler 1933-8-14 2081 Los Angeles San Dimas Canyon. 640 Comment
  UCR164921  Monardella viridis subsp. saxicola Naomi Fraga, T. Thibault 2005-7-26 1632 Los Angeles Transverse Ranges: San Gabriel Mountains region, West Fork of Palmer Canyon 671 Comment
  RSA725184  Mucronea perfoliata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -106 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA512043  Muhlenbergia asperifolia L. C. Wheeler 1966-8-20 8815 Los Angeles San Gabriel Mountains: Cabin Flat, Prairie Fork. Comment
  RSA760697  Muhlenbergia californica R. G. Swinney 2008-9-10 9422 Los Angeles South Fork Big Rock Creek 1463 Comment
  UCR182490  Muhlenbergia californica R. G. Swinney 1997-7-22 5695 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  UCR86550  Muhlenbergia californica T. S. Ross, Annette Ross 1989-9-20 1780 Los Angeles San Gabriel Mtns., San Antonio Canyon. Near the pond west of Spring Hill & below Baldy Road in the canyon 976 Comment
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Nov 15 2006
  CAS-BOT-BC275286  Muhlenbergia microsperma John H. Thomas 1957-4-27 6697 Los Angeles Santa Monica Mountains. W side of mouth of Latigo Canyon, about 3 miles NW of Point Dume. 15 miles due W of Santa Monica 152 Comment
  RSA591202  Muhlenbergia microsperma L. C. Wheeler 1933-11-19 2272 Los Angeles San Gabriel Canyon. 335 Comment
  RSA13824  Muhlenbergia richardsonis Victor Duran 1933-7-20 3522 Los Angeles Buckhorn, San Gabriel Mountains. 1982 Comment
  UCR202734  Muhlenbergia richardsonis R. G. Swinney, Cody Clarke 2001-8-22 8084 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA0102544  Muilla maritima Richard G. Swinney 2011-6-7 15104 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due 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
  UC450855  Muilla maritima Fay A. Macfadden 1931-4-10 2581 Los Angeles Tejunga Canyon Comment
  CAS-BOT-BC515092  Muilla maritima G. B. Grant 1902-5-5 s.n. Los Angeles Pasadena Comment
  RSA729958  Nama demissa var. demissa R. G. Swinney 1999-4-5 7062 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
  SEINET269344  Nassella pulchra Scott D. White 1995-4-27 2948 Los Angeles Upslope from Winter Canyon near Pepperdine University; north of Pacific Coast Highway east of Malibu Canyon Road sout 91 Comment
  UCD87662  Nassella pulchra Peter H. Raven; Henry J. Thompson 1960-4-24 15125 Los Angeles Santa Monica Mountains. 2 miles east of Decker Road on Mulholland Highway. 609 Comment
  UCSB51704  Nasturtium officinale Bishop, Richard 1967-5-14 Los Angeles Bull Creek, 1 mi. east of intersection of Balboa and Rinaldi Streets, Town of Granada Hills Comment
  RSA0048215  Nasturtium officinale Carol Haines 1964-5-23 s.n. Los Angeles Atmore Meadows, Old Ridge Route. 1310 Comment
  POM129401  Navarretia atractyloides R. L. Pendleton 1909-7-3 1392 Los Angeles Chicken John's Ranch, Santa Catalina Island. 23 Comment
  RSA469867  Navarretia hamata subsp. leptantha F. R. Fosberg 1931-4-22 54674 Los Angeles Santa Catalina Island. Ridge above Eagles Nest, Middle Ranch Canyon 200 Comment
  SBBG127088  Nemacladus pinnatifidus A. Parikh, N. Gale 2011-6-20 3488 Los Angeles S of Rabbit Peak, 1.8 km E of Angeles Forest Hwy, 0.2 km N of Monte Cristo Crk; San Gabriel Mtns 1330 Comment
  JEPS78508  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 220 Los Angeles foothills e. of Rubio Canyon; San Gabriel Mountains 609 Comment
  UCR155386  Nemacladus ramosissimus A. C. Sanders, T. B. Salvato 2005-5-24 30277 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  RSA597744  Nemacladus sigmoideus T. S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3747 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  UCR190388  Nemophila menziesii R. G. Swinney 2001-4-18 7878 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  CSUSB119  Nemophila menziesii Dick Bernier 1966-3-14 Los Angeles 500 yards along a path, end of 14th Street in the Puente Hills; found in a rocky, grassy slope. 213 Comment
  RSA421307  Nemophila menziesii Geo. L. Moxley 1917-4-1 728 Los Angeles Upper Aliso Canyon, Santa Susana Mts. Comment
  RSA725200  Nemophila menziesii var. integrifolia Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -71 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UC24266  Nemophila menziesii var. integrifolia J. H. Barber 1897-3-15 60 Los Angeles Santa Monica Comment
  UC284099  Nemophila menziesii var. integrifolia H. M. Hall Apr 1903 Los Angeles near Pasadena; near Pasadena Comment
  SFV21021  Nemophila menziesii var. menziesii L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 697 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. South side of slope at saddle of Verdugo Motorway and Brand Park Motorway on the crest of mountains. 823 Comment
  RSA0091743  Nemophila pedunculata R. G. Swinney 2011-5-26 14847 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA199039  Nemophila pedunculata W. M. Gauntt 1966-4-16 146 Los Angeles Glendora Mt. Road, 1/2 mi past fork to Mt. Baldy. 915 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
  POM49430  Nicotiana attenuata A. D. E. Elmer 1902-06 3656 Los Angeles Acton. Comment
  HSC21280  Nicotiana glauca C. E. Fellows 1965-4-15 29 Los Angeles 1 mi. NW of Sunland city limits where Hwy. 118 crosses Tujunga Wash Comment
  SBBG44675  Nicotiana glauca W. A. Wright 1931-2-19 Los Angeles Bannings Cyn Comment
  RSA579480  Nicotiana quadrivalvis Tim S. Ross, Steve D. Boyd 1994-5-10 7730 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  UC812257  Notholaena californica Louis C. Wheeler 1933-5-5 1709 Los Angeles 1/2 mi below falls Fish Canyon; San Gabriel Mts 350 Comment
  SEINET13290728 Image available Oenothera biennis P. A. Munz 1936-10-16 14589 Los Angeles Claremont Comment
  CAS-BOT-BC167065  Oenothera californica Robert F. Thorne; C. W. Tilforth 1973-4-20 43089 Los Angeles San Gabriel Mts., Mojave Desert slope: c. 2 mi NW of Mormon Rocks and 5 mi SE of jct of roads to Palmdale and Wrightwood Comment
  RSA119438  Oenothera californica subsp. californica William M. Klein 1958-6-12 475 Los Angeles 23.2 mi north of Castaic on US 99 tp Los Angeles. Comment
  UCR205201  Oenothera elata subsp. hirsutissima R. G. Swinney 2005-8-11 8454 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA355621  Oenothera elata subsp. hirsutissima Robert Gustafson 1981-7-15 2342 Los Angeles Ballona Wetlands, Area 2. Comment
  SDSU8869  Oenothera villosa subsp. strigosa Gerald Collier 1953-6-20 Los Angeles 1/4 mile east Muscatel Ave., 1/8 mile south of Klingerman St., west side of Rio Hondo river. Bottom woodland. San Gabriel. Comment
  CATA1821  Olea europaea Benjamin E. Carter 2012-8-31 7022 Los Angeles Santa Catalina Island: Black Jack Campground 459 Comment
  SEINET10732291 Image available Opuntia X occidentalis George Engelmann 1880-9-18 Engelmann s.n. Los Angeles Comment
  POM321005  Opuntia ficus-indica Lyman Benson, L. Scheinvar 1975-2-16 LS- 1652 Los Angeles La Verne. Comment
  RSA668618  Opuntia littoralis F. R. Fosberg 1931-5-18 S- 4892 Los Angeles Santa Catalina Island, Little Harbor 3 Comment
  UC284127  Opuntia prolifera P. A. Munz 1923-4-13 6788 Los Angeles San Clemente Island; in canyons Comment
  POM285265  Opuntia vaseyi Lyman Benson 1953-6-3 15134 Los Angeles Southeast of Indian Hill, Claremont. 427 Comment
  RSA775126  Orobanche fasciculata Orlando Mistretta, Christine Mistretta 2010-6-7 5276 Los Angeles Mill Creek Canyon; vicinity of Iron Mountain, along Southern California Edison transmission line corridor. 1361 Comment
  RSA0059164  Orobanche parishii subsp. parishii Tim Ross, Steve D. Boyd 1991-7-24 5651 Los Angeles Granite Mountain: San Gabriel Mountain Range. 1942 Comment
  RSA402075  Orthocarpus purpurascens Jack Rempel 1932-3-26 15263 Los Angeles El Segundo. Comment
  RSA402068  Orthocarpus purpurascens var. purpurascens Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  UC894264  Osmadenia tenella Alice Eastwood 1906-5-24 Los Angeles Garvanza Lake Tahoe Region Comment
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Jan 11 2015
  RSA0106748  Osmorhiza brachypoda R. G. Swinney 2011-5-3 14577 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA286655  Osmorhiza brachypoda R. F. Thorne, Larry E. DeBuhr 1974-6-28 44779 Los Angeles San Gabriel Mts., Angeles National Forest: Falling Springs on Soldier Creek 1173 Comment
  RSA584487  Osmorhiza brachypoda T. S. Ross 1992-5-24 6422 Los Angeles Brown's gulch: draining to San Gabriel Canyon at the base of San Gabriel Dam 502 Comment
  RSA97392  Osmorhiza brachypoda F. W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco Canyon, near Pasadena. 610 Comment
  SBBG61383  Osmorhiza brachypoda M. N. Ackley -May-1929 1293 Los Angeles San Dimas Cyn 365 Comment
  RSA591182  Oxalis corniculata Steven A. Junak 1985-5-14 SC 1 -56 Los Angeles San Clemente Island: Wilson Cove, along rd to pier. 30 Comment
  RSA118116  Oxalis pes-caprae Robert F. Thorne, Percy C. Everett 1965-6-23 34986 Los Angeles Santa Catalina Island. At base of rocky bluff between Avalon Casino and St. Catherine Hotel 8 Comment
  SEINET6645814  Oxalis pes-caprae N. Bacon 1967-3-29 s.n. Los Angeles Los Angeles, Glenwood Pl., south gate Comment
  RSA594795  Oxytheca trilobata Steve Boyd, Lauren Raz 1996-10-29 9099 Los Angeles Liebre Mountains region, western end of Sawmill Mountain in saddle with Liebre Mountain at the head of the North Fork Fish Canyon, along Forest Service Road 7N23, ca. 0.6 miles east of junction with 7N19, the road to Atmore Meadows. 1476 Comment
  RSA601847  Oxytheca trilobata Steve Boyd, Tim S. Ross, Laura Moore, Valerie Soza 1997-7-8 10004 Los Angeles Liebre Mountains region: Saddle between Sawmill Mountain and Liebre Mountain, at the head of the north fork of Fish Canyon. 1457 Comment
  CAS-BOT-BC253853  Panicum miliaceum Peter H. Raven 1956-6-17 9399 Los Angeles Along streets, Westwood, Los Angeles Comment
  RSA597945  Panicum miliaceum F. M. Reed 1929-7-30 6545 Los Angeles Claremont, Foothill Blvd. Comment
  UCR2614  Panicum miliaceum F. M. Reed 1929-7-30 6545 Los Angeles San Gabriel Valley, Foothill Boulevard, NW of Claremont 274 Comment
  LA98279  Papaver californicum Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon-Cold Creek Road. Comment
  POM50187  Parietaria hespera L. R. Abrams 1901-04 1349 Los Angeles Chatsworth Park. Comment
  RSA0108861  Parietaria hespera var. californica Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 SCa- 520 Los Angeles Santa Catalina Island: Little Ripper's Canyon, just inland from beach. 9 Comment
  UCR205557  Parietaria hespera var. hespera R. G. Swinney 2008-5-30 8882 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, tributary on south side of canyon 0.1 mi. east of park office 305 Comment
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Oct 8 2009
  SBBG128808  Paspalum dilatatum M. L. Hoefs, S. A. Junak, K. Kirkland 1995-11-11 2569 Los Angeles lower Descanso cyn, just above Descanso Beach 6 Comment
  UCR217709  Paspalum distichum A. C. Sanders, Dan S. Cooper 2010-8-5 38552 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA651732  Passiflora caerulea Tim Turmezei 1988-3-2 24 Los Angeles Walnut Creek. Comment
  SEINET11957947  Passiflora caerulea J. F. Bright, Wyman, C. 1931-1 5292 Los Angeles Los Angeles Comment
  SEINET10952305  Passiflora foetida S. Krosnick 2008-7-27 Krosnick 449 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #109 in Honduras Comment
  UCR205233  Pectocarya linearis R. G. Swinney 2008-3-26 8565 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA639322  Pectocarya penicillata R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55007 Los Angeles S of Emma Mountain Road, just E of Little Rock Creek 1006 Comment
  UCD120193  Pectocarya setosa A. C. Sanders; D. Malueg 1998-6-22 22048 Los Angeles San Gabriel Mtns. Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  UCR280530  Pectocarya setosa R. G. Swinney 2014-4-10 16024 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA18947  Pectocarya setosa Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9474 Los Angeles Tejon Pass Lancaster road in western edge of yucca juniper forest, antelope Valley Comment
  RSA549511  Pedicularis semibarbata Tim S. Ross, Steve D. Boyd 1990-6-18 3465 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake 1878 Comment
  RSA495623  Pedicularis semibarbata S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 343 Los Angeles Mountain High Ski Resort; W of Wrightwood. North slopes of San Gabriel Mountains. 2018 Comment
  RSA0091481  Pellaea andromedifolia R. G. Swinney 2011-3-22 14193 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA651031  Pellaea andromedifolia K. Bahns 1949-2-8 s.n. Los Angeles San Dimas Canyon. 457 Comment
  UC1870340  Pellaea mucronata subsp. californica LeRoy Gross, Michael Denslow 2003-6-4 985 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. Near 34.36445N, 117.84960W Comment
  SD153121  Pellaea mucronata subsp. mucronata Steven A. Junak 1997-4-22 855 Los Angeles San Clemente Island; west side of island, just below rim on north side of Waynuk Canyon, just upstream from large drop-off, across canyon from old fenceline. 365 Comment
  UC71382  Pellaea mucronata var. mucronata J. H. Barber 1897-7-6 245 Los Angeles Mt Gleason Comment
  UCR220355  Pennisetum clandestinum R. G. Swinney 2009-4-13 10325 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR255770  Pennisetum setaceum R. G. Swinney 2010-5-4 12488 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR258688  Pennisetum setaceum R. G. Swinney 2010-3-16 11926 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
  UCR282589  Penstemon X parishii Dan S. Cooper 2017-6-13 617- 36 Los Angeles 25742 Mulholland Hwy, Calabasas 247 Comment
  RSA145414  Penstemon caesius Gale Sphon 1959-6-27 382 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  RSA596485  Penstemon centranthifolius Louis C. Wheeler 1967-5-24 9721 Los Angeles San Gabriel Mountains. Indian Canyon 'Campground' 823 Comment
  OBI7907  Penstemon centranthifolius G. L. Parsons 1976-5-21 66 Los Angeles San Gabriel Mts., alongside rd, 5 mi SE of Valyermo Comment
  RSA191022  Penstemon centranthifolius Robert F. Thorne 1963-5-15 31679 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  SBBG54561  Penstemon centranthifolius F. W. Pennell 1940-4-19 25142 Los Angeles ca. 2 mi S of Castaic Comment
  UCR146695  Penstemon grinnellii Scott D. White 2004-8-20 10738 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  UCR259988  Penstemon grinnellii R. G. Swinney 2010-10-8 14008 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  SD125718  Penstemon heterophyllus var. australis K. Harper 1986-5-17 Los Angeles Bouquet Canyon Rd. just W of Spundy Canyon Rd., E of Bouquet Reservoir, near road Comment
  NY629304  Penstemon palmeri var. palmeri A. M. Ottley 1920-5-16 698 Los Angeles Above Delta Canyon, Tujunga 1725 Comment
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May 6 2014
  SEINET10376032 Image available Penstemon rostriflorus Wesley O. Griesel 1961-1 Los Angeles State Hwy. 2 near White Thorn Picnic Area, San Gabriel Mountains 2286 Comment
  CHSC3711  Penstemon spectabilis 1966-5-12 Los Angeles San Rafael Mtn. 213 Comment
  PASA1030  Penstemon spectabilis Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  SEINET4438930  Pentachaeta lyonii W. S. Lyon 1885-1 Los Angeles 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
  RSA0059334  Pentagramma triangularis Anonymous 1895-05 s.n. Los Angeles near Pasadena. Comment
  RSA0062910  Pentagramma triangularis Clara Roush s.n. Los Angeles The wash near Claremont. 853 Comment
  CATA497  Pentagramma triangularis subsp. triangularis Sara L. Crockett 1997-4-1 639 Los Angeles Santa Catalina Island: Offshoot canyon from Middle Canyon; 0.2 mile SW on Middle Canyon Road from pumphouse; SE side of road 315 Comment
  LA3444  Pentagramma triangularis subsp. triangularis Robert G. Engman; sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Campus. Comment
  CATA437  Pentagramma triangularis subsp. viscosa Sara L. Crockett, Mark Elvin 1997-3-17 576 Los Angeles Santa Catalina Island: SE-trending slope overlooking road 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road; top of minor canyon SE of Peak 1395 373 Comment
  UC223682  Pentagramma viscosa C. F. Millspaugh 1919-12-4 4466 Los Angeles Descanso Canyon; Santa Catalina Isl. Comment
  RSA0070739  Pentagramma viscosa Geo L. Moxley 1919-5-6 688 Los Angeles Catalina Island. Comment
  RSA608751  Persea americana L. C. Wheeler 1963-9-27 8399 Los Angeles Los Angeles: Kerckhoff Estate, 734 W. Adams Blvd. Comment
  POM308326  Petalonyx thurberi Henry J. Ramsey, Henry J. Ramsey 1937-8-7 3057 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  PASA1366  Phacelia bicolor Stason 1930-3-18 Los Angeles W. of Adelanto Comment
  LA38559  Phacelia cicutaria var. hispida Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA85582  Phacelia cicutaria var. hispida Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon-Cold Creek Road. Comment
  UC1584866  Phacelia cicutaria var. hispida Tim Ross 1991-4-8 4459 Los Angeles mesic nw slope of hill San Dimas USGS 7.5' quadrangle, western Pomona, Elephant Hil 228 Comment
  RSA0042556  Phacelia cicutaria var. hispida Paul Neipp 1994-5-5 20 Los Angeles Directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  PASA1380  Phacelia davidsonii Margaret Stason 1931-6-13 Los Angeles Chilao, San Gabriel Mts. Comment
  RSA0092236  Phacelia distans R. G. Swinney 2011-5-12 14682 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
  RSA592260  Phacelia distans Louis C. Wheeler 1967-5-12 9479 Los Angeles San Gabriel Mountains. ca. 1/2 way between Hunt Canyon and Soledad Canyon at Vincent. 1159 Comment
  RSA725204  Phacelia distans Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -43 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA799926  Phacelia distans Justin M. Wood 2009-3-20 370 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  UCR209489  Phacelia distans R. G. Swinney 2008-6-17 9042 Los Angeles San Gabriel Mountains, Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1952 Comment
  UCR261138  Phacelia distans R. G. Swinney 2010-2-27 11723 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR281169  Phacelia distans R. G. Swinney 2014-5-7 16426 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
  RSA582640  Phacelia distans Louis C. Wheeler 1933-5-20 1740 Los Angeles 2 miles NE La Verne. 373 Comment
  RSA74959  Phacelia douglasii F. W. Peirson 1922-6-3 3085 Los Angeles East of Oak Grove Creek Divide, Liebre Mts. 1174 Comment
  RSA0039199  Phacelia douglasii Alton Clare 1929-4-10 s.n. Los Angeles Verdugo Hills near Glendale. Comment
  RSA587288  Phacelia egena Tim S. Ross 1990-5-17 2551 Los Angeles North Fork Mill Creek: along Forest Service Road 3N27, 10.0 road miles N of Big Tujunga Canyon Rd. ca 425m SSW of Ed Triangulation Point (4990 ft) 1396 Comment
  RSA0053877  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. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  POM298634  Phacelia fremontii Lincoln Constance 1941-4-10 2801 Los Angeles Antelope Valley, 1.5 miles W of Lancaster. 412 Comment
  UCR281358  Phacelia grandiflora R. G. Swinney 2014-5-21 16635 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  SBBG118710  Phacelia grandiflora O. Mistretta with M. Hammitt 1991-6-21 Los Angeles near crossing of USFS Rd 2N66 and Fern Cyn drainage just W of water tank; T2N R12W SW 1/4 NE 1/4 Sec 29 768 Comment
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Jun 5 2010
  RSA654348  Phacelia hubbyi Valerie L. Soza, LeRoy Gross 2000-5-25 963 -a Los Angeles South Side; North of fire road between Ebey and Doane canyons, south of Goldenrod Spring, above Sunland. 549 Comment
  UC450769  Phacelia imbricata subsp. imbricata F. A. MacF. 1931-4-10 2932 Los Angeles Tuna Canyon Verdugo Hills Comment
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Jul 1 2014
  UCR259409  Phacelia imbricata subsp. patula R. G. Swinney 2010-9-9 13739 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  JEPS2141  Phacelia lemmonii S. B. Parish June 1888 1980 Los Angeles Rock Creek Mojave Desert; Rock Creek, Mojave Desert Comment
  RSA0097174  Phacelia longipes R. G. Swinney 2011-6-1 14968 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  UC107324  Phacelia longipes A. Davidson 19 Los Angeles Lancaster Comment
  SBBG47534  Phacelia lyonii M. B. Dunkle 1929-4-25 2146 Los Angeles Middle Ranch Gorge Comment
  SDSU6589  Phacelia minor H. Wedberg 1966-4-3 1182 Los Angeles Chaparral slope burned in 1964, above Hill Dr. at Neal, in Eagle Rock. 457 Comment
  SFV15345  Phacelia minor J. C. Dittes, C. Dittes 1990-3-31 61 Los Angeles San Gabriel Mountains Little Tujunga Canyon Road, 300 m southwest of entrance to Angeles National Forest shooting range. 396 Comment
  UC1174713  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  UCR280495  Phacelia minor R. G. Swinney 2014-6-5 16705 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  POM280815  Phacelia minor Henry J. Ramsey 1937-3-27 s.n. Los Angeles Little Tijuna Canyon. Comment
  RSA230267  Phacelia mohavensis Robert F. Thorne 1969-7-2 38307 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit. 1982 Comment
  UCR202730  Phacelia mohavensis R. G. Swinney, Cody Clarke 2001-8-22 8085 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  NY83883  Phacelia polysperma L. Abrams 1908-7-2 560 Los Angeles Rock Creek, desert slope of the San Gabriel Mountains 1158.2 Comment
  RSA0021292  Phacelia ramosissima Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5087 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA188489  Phacelia ramosissima var. latifolia Robert F. Thorne, J. D. Olmsted 1965-8-26 35369 Los Angeles San Gabriel Mountains, Angeles National Forest: along Blue Ridge near upper end of Holiday Hill Ski Lift 2470 Comment
  LA38548  Phacelia tanacetifolia Carl Epling; March 1925 6503 Los Angeles Santa Monica Mountains, Griffith Park 121 Comment
  RSA607086  Phacelia tanacetifolia Louis C. Wheeler 1932-4-10 596 Los Angeles 8 mi. W Palmdale on Portal Ridge north of Amargosa Creek. 1037 Comment
  SD73409  Phacelia tanacetifolia Paul Currie VII/1969 22 Los Angeles Santa Monica Mountains. Tapia Park. 213 Comment
  CLARK-A1528-5109  Phacelia viscida John C. Roos 1937-7-7 404 Los Angeles La Crescenta 478 Comment
  RSA131239  Phacelia viscida Percy C. Everett, E. K. Balls 1959-6-2 23825 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  UC572685  Phalaris minor Nell Murbarger April, 1936 158 Los Angeles near ocean w side San Clemente Island; w side San Clemente Island Comment
  LA202389  Phalaris paradoxa Arthur C. Gibson; 2005-6-17 5071 Los Angeles Comment
  RSA187971  Pholistoma auritum Robert F. Thorne 1966-4-5 35827 Los Angeles Santa Catalina Island, Cape Canyon. 274 Comment
  SBBG106891  Pholistoma auritum M. L. Hoefs, R. F. Thorne 1996-4-6 2645 Los Angeles Renton Mine Rd 243 Comment
  LA38517  Pholistoma auritum var. auritum Carl Epling; 1930-4-10 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  RSA459284  Pholistoma membranaceum L. E. Hoffman 1932-3-27 s.n. Los Angeles Big Rock Creek. Comment
  RSA459310  Pholistoma racemosum M. B. Dunkle 1929-3-3 2052 Los Angeles Hamilton Beach; Santa Catalina Island Comment
  RSA459314  Pholistoma racemosum Bonnie C. Templeton 1968-2-25 11383 Los Angeles North slope of bank near the bottom of a canyon. Near the Isthmus, Santa Catalina Is. Comment
  SBBG37812  Pholistoma racemosum R. Moran 1941-2-17 574 Los Angeles Middle Ranch 152 Comment
  UC455948  Pholistoma racemosum I. J. Condit 1911-3-27 Los Angeles Santa Catalina Island Comment
  SBBG96790  Phoradendron leucarpum subsp. tomentosum T. Ross, S. Boyd 1990-6-6 2812 Los Angeles Green Valley Pasture, San Francisquito Cyn 926 Comment
  UCR125251  Phoradendron macrophyllum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25545 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  RSA608348  Phoradendron macrophyllum subsp. macrophyllum Louis C. Wheeler 1930-3-22 s.n. Los Angeles Santa Monica Mountains: Mandeville Canyon Comment
  SEINET10327137  Phoradendron serotinum subsp. macrophyllum L. C. Wheeler 1931-12-15 395 Los Angeles Thompson Creek Dam, near Claremont. 495 Comment
  POM354339  Phoradendron villosum F. R. Fosberg 1931-7-14 S 5672 Los Angeles San Gabriel Mountains: Lower Pine Flats, First Camp, north fork San Gabriel River 1500 Comment
  RSA651307  Phyla nodiflora Dolores Perez 1981-5-19 43 Los Angeles Frank G. Bonelli Regional County Park Comment
  SEINET8715724 Image available Phyllospadix torreyi F. R. Fosberg 1931-1 4575 Los Angeles Jewfish Point Santa Catalina Island, Los Angeles Co. 0 Comment
  SEINET10530510  Pinus canariensis David B. Dunn 1939-10-18 Dunn UMO 46537 Los Angeles Cultivated tree commonly planted in southern California, tree with a stem injury or something which caused many sprouts from the base which all had juvinile foliage. Coll. along Sunset Blvd. near Beverly Hills Hotel. 213 Comment
  SEINET3562271 Image available Pinus coulteri Walter Schlaer 1965-11-7 s.n. Los Angeles Charlton Picnic Area, 10 miles northeast of Pasadena, Angeles National Forest. 1646 Comment
  CAS-BOT-BC78602  Pinus flexilis Le Roy Abrams; E. A. McGregor 1908-7-3 605 Los Angeles North Baldy Mountain, San Gabriel Mountains 2743 Comment
  RSA649648  Pinus monophylla Michael Horn 1991-5-3 18 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  CAS-BOT-BC79012  Pinus ponderosa Joseph Andorfer Ewan 1932-5-29 7218 Los Angeles on summit Mount Gleason, San Gabriel Mts. 1889 Comment
  SEINET3161353  Pittosporum undulatum C. F. Baker 1909-9-15 119 Los Angeles At Claremont. Comment
  UCR137343  Pityrogramma triangularis var. triangularis R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, 0.8 mi east of Glendora Mtn Road 412 Comment
  CAS-BOT-BC71781  Pityrogramma triangularis var. viscosa I. M. Johnston 1918-5-4 1926 Los Angeles Hills back of Laguna Beach 152 Comment
  UCR125418  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25704 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR126747  Plagiobothrys arizonicus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26234 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  RSA716210  Plagiobothrys arizonicus Andrea Edwards, Pam De Vries 2006-4-11 88 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  POM11630  Plagiobothrys canescens George B. Grant 1898-3-20 s.n. Los Angeles Lincoln Park Comment
  JEPS68011  Plagiobothrys collinus Frank W. Peirson 1921-6-15 997 Los Angeles Pine Flats to Chilao; San Gabriel Mountains 1676 Comment
  SD90554  Plagiobothrys collinus var. gracilis Robert F. Thorne 1973-4-11 42783 Los Angeles San Clemente Island; plateau in Middle Ranch area at head of Middle Ranch Canyon. 427 Comment
  RSA791583  Plagiobothrys leptocladus D. Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8011 Los Angeles Antelope Valley, north of Lancaster, 100 m east of Sierra Highway, 240 km north of Avenue F, and 1.3 km south of Avenue E. 703 Comment
  RSA0035990  Plagiobothrys nothofulvus R. G. Swinney 2010-3-10 11805 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  POM3871  Plagiobothrys parishii Marjorie Shaw, Spaulding, Walton 1917-4-6 993 Los Angeles Lovejoy Springs, 16 miles north of east Palmdale Comment
  POM61309  Plantago erecta L. R. Abrams 1903-4-10 3241 Los Angeles Near Mesmer. Comment
  UC166763  Plantago erecta Geo. B. Grant 1906-4-2 Los Angeles Altadena Comment
  UCR127219  Plantago erecta A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26285 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UCR270841  Platanthera dilatata var. leucostachys R. G. Swinney 2011-8-17 15619 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA720610  Platanthera sparsiflora Richard G. Swinney 1997-7-23 5722 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area 2256 Comment
  CAS-BOT-BC91666  Platystemon californicus C. F. Baker 1904-5-2 s.n. Los Angeles Hills near Claremont. Comment
  CAS-BOT-BC92222  Platystemon californicus Geo. B. Grant 1901-3-10 s.n. Los Angeles Garvanza. Comment
  RSA772522  Platystemon californicus R. G. Swinney 2009-5-13 10763 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  POM6277  Platystemon californicus Caroline S. Weinland s.n. Los Angeles Indian Hill. Claremont. 366 Comment
  RSA497255  Platystemon californicus var. crinitus Louis C. Wheeler 1967-5-12 9483 Los Angeles San Gabriel Mountains. Between summits 4174 and 4183, east of Vincent. 1250 Comment
  CAS-BOT-BC236192  Poa secunda subsp. secunda Geo. B. Grant 1905-4-4 1016 -6463 Los Angeles Pasadena Comment
  SBBG112833  Polycarpon tetraphyllum S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 764 Los Angeles near buildings at mouth of Cherry Cyn, at Boy Scout Camp 6 Comment
  UC905077  Polygonum argyrocoleon John Thomas Howell 1948-7-2 24770 Los Angeles Palos Verdes Hills Comment
  SD230268  Polygonum aviculare subsp. depressum Louis C. Wheeler 1973-6-8 Los Angeles Los Angeles: Southeast of Alameda St. and San Diego (405) Fwy, between Sepulveda Blvd. and 233rd St. [L.A. Harbor Dept., Classification Yard, East of Dominguez Flood Control Channel.] Comment
  RSA756996  Polygonum hydropiperoides A. C. Sanders 2009-11-6 37218 Los Angeles Madrona Marsh, Torrance 24 Comment
  LA94062  Polypodium californicum Lawrence L. Kiefer; 1966-3-19 1740 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3 mi from mouth. 304 Comment
  SBBG128177  Polypodium californicum M. L. Hoefs, R. Given 1992-5-16 1789 Los Angeles Wild Boar Gully 152 Comment
  SFV16596  Polypodium californicum J. D. Dilley 1996-12-14 114 Los Angeles Verdugo Mountains La Tuna Canyon Park, about 1.2 miles up trail. 610 Comment
  UC399449  Polypodium californicum C. F. Millspaugh 1919-12-4 4465 Los Angeles Hamilton Beach Canyon; Santa Catalina Isl. Comment
  UCR216753  Polypodium californicum R. G. Swinney 2009-2-20 10004 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCSB62410  Polypodium californicum Kendall, M. 1921-3-23 Los Angeles Lone Hill Comment
  CAS-BOT-BC71895  Polypodium californicum Geo. L. Moxley 1914-5-30 s.n. Los Angeles Scholl's Canyon, San Rafael Hills Comment
  UCSB62473  Polypodium californicum Kendall, M. 1921-2-11 Los Angeles Fish Canon Comment
  CATA1140  Polypogon interruptus Mark L. Hoefs 1995-5-23 2131 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  SBBG128762  Polypogon interruptus M. L. Hoefs 1995-5-16 2038 Los Angeles Big Springs Cyn, near rd to Two Harbors 103 Comment
  UCR187241  Polypogon interruptus A. C. Sanders 2006-5-16 32330 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  CAS-BOT-BC232412  Polypogon monspeliensis P. Munz; L. Street; G. Williams 1919-5-3 2655 Los Angeles Santa Ana River Canon [Canyon] Comment
  RSA651595  Polypogon monspeliensis Bill Amling 1948-5-12 16 Los Angeles 5 miles from Puente on Hacienda Ave. 152 Comment
  RSA654299  Polypogon monspeliensis Monica Acosta 1998-5-22 16 Los Angeles The Center for Regenerative Stuedies, South of California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  LA105074  Polypogon monspeliensis Barry A. Prigge; 1988-7-3 8192 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  SBBG51405  Polystichum munitum J. Nickoloff 1973-3-1 730301 -10 Los Angeles N of Mt Wilson Trail on NE face 1036 Comment
  SEINET11714697  Polystichum munitum Unknown 1936-1 12591 Los Angeles Westwood, Los Angeles Comment
  POM360795  Populus X parryi F. R. Fosberg 1931-5-7 S 4830 Los Angeles Santa Catalina Island. Cottonwood Canyon, just below Cape Blanco. Comment
  HSC12497  Populus fremontii subsp. fremontii Wendell Wood 1970-6-22 33 Los Angeles Tujunga Canyon Rd., 3 mi. beyond intersection of Mt. Gleason Ave., Tujunga 457 Comment
  RSA640637  Populus fremontii subsp. fremontii Louis C. Wheeler 1967-5-15 9604 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  SD90359  Populus trichocarpa Robert F. Thorne 1970-3-6 39382 Los Angeles Santa Catalina Island; along road to Ben Weston Beach (Mills Landing) 91 Comment
  RSA464677  Portulaca oleracea Freda Detmers 1932-7-19 s.n. Los Angeles 2600 block of Hoover St. Comment
  CAS-BOT-BC267152  Potamogeton foliosus A. D. E. Elmer 1902-6-1 3503 Los Angeles Lancaster Comment
  UCR141103  Potamogeton pectinatus R. F. Thorne 1974-9-12 45719 Los Angeles Santa Catalina Island: Deer Valley Reserve 213 Comment
  UCSB3470  Prosopis glandulosa var. torreyana Philbrick, Ralph 1953-3-3 Los Angeles In a wash in Claremont 304 Comment
  RSA454129  Prunus ilicifolia Fay A. MacFadden 1931-3-17 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UC1128379  Prunus ilicifolia P. L. Johannsen 1934-2-13 279 Los Angeles 1 mi se Junction Haskell and Bouquet Canyon 426 Comment
  RSA199026  Prunus ilicifolia subsp. ilicifolia W. M. Gauntt 1966-4-16 156 Los Angeles Junction of Glendora Mountain Road and San Gabriel Canyon Road. 915 Comment
  RSA660226  Prunus ilicifolia subsp. ilicifolia Fred Brooks, P. Sobkowiak 1988-4-23 13 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  CAS-BOT-BC154567  Prunus ilicifolia subsp. lyonii Edgar A. Mearns 1894-8-25 4063 Los Angeles San Clemente Island Comment
  SEINET10871337  Prunus ilicifolia subsp. lyonii Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4799 Los Angeles Santa Catalina Island; Catalina Conservancy Land, The James H. Ackerman Native Plant Nursery. In Middle Canyon, near Middle Ranch and Cape Canyon Trail. 10 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 230 Comment
  RSA232621  Prunus lyonii Larry E. DeBuhr, Gary D. Wallace 1972-9-2 697 Los Angeles San Clemente Island: near top of the canyon from Lemon Tank on east side of Island. 366 Comment
  UCR99490  Prunus persica Steve Boyd, Lauren Raz 1997-3-26 9376 Los Angeles Libre Mtns., Sierra Pelona Ridge, southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 at Artesian Spring Campground 1098 Comment
  SBBG32092  Pseudognaphalium biolettii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -179 Los Angeles just E of Wild Boar Gully, Salta Verde Comment
  SD255661  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14139 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  UC485716  Pseudognaphalium biolettii Crawford and Hiatt 1916-3-28 701 Los Angeles Santa Monica Mts. Comment
  UCR99397  Pseudognaphalium biolettii Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  RSA659541  Pseudognaphalium biolettii Monica Acosta 1998-5-26 98 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona) 226 Comment
  CAS-BOT-BC356709  Pseudognaphalium californicum Alice Eastwood 1906-5-27 147 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  SBBG32061  Pseudognaphalium stramineum R. N. Philbrick, R. F. Thorne 1967-5-20 B 67 -311 Los Angeles Descanso Cyn 91 Comment
  UC729467  Pseudognaphalium stramineum Carl B. Wolf 1932-5-10 3517 Los Angeles above the Last Almond Orchard; Santa Catalina Island, Avalon Canyon 121 Comment
  CAS-BOT-BC80057  Pseudotsuga macrocarpa E. W. Lathrop 1976-11-1 7603 Los Angeles North slope of Pleasant Peak, Main Divide Truck Trail Comment
  CAS-BOT-BC80071  Pseudotsuga macrocarpa W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  RSA544548  Psilocarphus brevissimus Timothy S. Ross, Elizabeth Kellogg 1992-4-11 6118 Los Angeles San Clemente Island, west of the west fork of China Canyon. 83 degrees east, 410m distance from 1448'BM. 1865 Comment
  SBBG98050  Psilocarphus tenellus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5219 Los Angeles ca. 300' NE of Knob 271 Comment
  RSA512058  Psilocarphus tenellus var. tenellus L. C. Wheeler 1967-5-18 9658 Los Angeles San Gabriel Mountains, Angeles National Forest: Placerita Canyon. 594 Comment
  RSA0082966  Pteridium aquilinum R. G. Swinney 2010-8-26 13603 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  UCR178086  Pteridium aquilinum var. pubescens LeRoy Gross, Steve Larson, Valerie Soza 2001-5-31 389 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Southeast side. Dead Horse Canyon 335 Comment
  RSA0011721  Pteris vittata Scott D. White, Pam DeVries 6028 Los Angeles San Gabriel River Canyon. N of Azusa. Parallel to Hwy 39. Canyon bottom and adjacent slopes along unnamed dirt access rd to gauging stn. below Morris Dam. 244 Comment
  LA211196  Puccinellia distans Tarja Sagar; 2008-4-18 s.n. Los Angeles SANTA MONICA MOUNTAINS, Edge of reparian woodland, Calabasas. Comment
  JEPS18616  Purshia tridentata var. glandulosa Frank W. Peirson 1918-6-16 80 Los Angeles Rock Creek; San Gabriel Mts. 1447 Comment
  UC12830  Purshia tridentata var. glandulosa Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  RSA657456  Pycnanthemum J. Stephens 1980-4-30 27 Los Angeles Verdugo Mountains Region: Front yard of home on corner of Canyonside Road and Manzanita St., east side of Pickens Canyon, La Crescenta. 701 Comment
  CAS-BOT-BC45784  Quercus Marcus E. Jones 1923-10-10 s.n. Los Angeles Cajon Pass Comment
  LA43657  Quercus agrifolia George R Smart; 1952-7-13 66 Los Angeles on Castaic-Lake Hughes Road, 4.7 miles from Castaic, W side of canyon near flowing stream 152 Comment
  LA43661  Quercus agrifolia A. M. Johnson; 1927-10-21 2672 Los Angeles Antelope Valley, canyon sides, E of Palmdale Comment
  RSA128283  Quercus agrifolia H. J. Thompson 1959-3-27 1893 Los Angeles Santa Monica Mountains: Saddle Peak, 1.5 miles east of peak. 732 Comment
  RSA0114809  Quercus agrifolia var. agrifolia R. G. Swinney 2011-10-25 15883 Los Angeles San Gabriel Mountains; south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  RSA652555  Quercus agrifolia var. agrifolia Thomas Seerley 1948-2-22 s.n. Los Angeles San Gabriel Mountains, Glendora. Comment
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Jun 16 2014
  RSA655937  Quercus berberidifolia James Henrickson 2000-4-15 20706 Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200ft of Hwy 14 473 Comment
  CAS-BOT-BC62536  Quercus chrysolepis W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe, San Gabriel Mts. Comment
  CAS-BOT-BC62574  Quercus chrysolepis Grimmell 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mts. 914 Comment
  POM2095  Quercus chrysolepis C. F. Baker 1903-9-20 3688 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA476899  Quercus chrysolepis Bonnie C. Templeton 1932-6-17 4894 Los Angeles Big Pines Park, San Gabriel Mtns. Comment
  RSA624007  Quercus chrysolepis Raymond J. Dobbs 1924-6-6 269 Los Angeles 1/2 mile north of Switzer's, High trail Comment
  SBBG17868  Quercus chrysolepis P. H. Raven 1962-5-10 17726 Los Angeles head of Horse Cyn, large cyn W of Thirst 487 Comment
  SFV16176  Quercus chrysolepis P. A. Krueger 1994-5-14 23 Los Angeles San Gabriel Mountains 2 miles west on 2N23 from Newcomb's Saddle._x000B_ 900 Comment
  UC1586182  Quercus chrysolepis Tim Ross 1991-8-16 5850 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1712 Comment
  UCR191258  Quercus chrysolepis R. G. Swinney 1998-7-2 6214 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  CAS-BOT-BC86209  Quercus dumosa Alice Eastwood 1917-7-20 6521 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC86405  Quercus dumosa P. B. Kennedy 1907-4-21 s.n. Los Angeles Avalon, Catalina Island Comment
  UCR200190  Quercus durata var. gabrielensis Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 893 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlineset. 396 Comment
  UCR271200  Quercus durata var. gabrielensis R. G. Swinney 2011-11-1 15942 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  RSA594659  Quercus engelmannii Louis C. Wheeler 1945-9-20 6154 Los Angeles San Gabriel Mountains. Kinneloa (''Sycamore'') Canyon. 366 Comment
  UCR222458  Quercus engelmannii R. F. Thorne 1980-4-26 54146 Los Angeles Channel Islands; Santa Catalina Island, Blackjack Camp, west slope of Blackjack Peak 518 Comment
  CAS-BOT-BC94260  Quercus garryana var. breweri Timothy S. Ross; Steve Boyd 1994-9-21 8307 Los Angeles Liebre Mountain: upper W end of the mt., along Forest Service Road 7N23, ca 200 m SW of Sandberg Triangulation Point 1581 Comment
  UCR224024  Quercus ilex Steve Boyd, Rick Riefner 2007-4-27 11740 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA597118  Quercus john-tuckeri Tim S. Ross 1990-6-22 3711 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  UCSB60797  Quercus john-tuckeri Muller, Cornelius 1945-3-20 Los Angeles 3 1/2 mi. S of Gorman Comment
  RSA0017014  Quercus john-tuckeri F. W. Peirson 1919-5-11 404 Los Angeles Arraster [Arrastre] Creek, north slope of San Gabriel Mts. 854 Comment
  UCR204094  Quercus pacifica Mark A. Elvin, Janet Takera, Mary Meyer, Shelia Shyler, Sarah Crockett 1997-3-16 367 Los Angeles Channel Islands, Santa Catalina Island, open area at curve in road past garden to Divide Road Comment
  UCR208875  Quercus robur L. C. Wheeler 1936-7-3 4212 Los Angeles San Gabriel Valley, west side of 600 block South Rosemead Blvd., Michilinda near Pasadena 183 Comment
  RSA479367  Quercus tomentella Mark Hoefs 1974-10-2 568 Los Angeles Santa Catalina Island, side canyon below Renton Mine 91 Comment
  SBBG42322  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles lower part of grove, E of Pk 1942 in middle of E side of island Comment
  LA205336  Quercus wislizeni D. Bradbury; Jonathan Sauer, L. Wester 1969-10-19 4653 Los Angeles San Gabriel Mountains, Mount Pacifico 1981 Comment
  CLARK-A1528-2910  Quercus wislizeni var. frutescens John C. Roos 1941-10-4 865 Los Angeles San Gabriel Mountains Comment
  RSA472413  Rafinesquia californica Elbert Benjamine 1929-5-26 189 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  UCR252882  Rafinesquia californica R. G. Swinney 2010-5-11 12660 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
  UCR256170  Rafinesquia californica R. G. Swinney 2010-3-22 12014 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  CAS-BOT-BC362473  Rafinesquia californica Louis C. Wheeler 1934-4-24 2539 Los Angeles Liveoak [Live Oak] Canyon Dam, San Gabriel Mts. 457 Comment
  RSA682303  Rafinesquia californica LeRoy Gross, Valerie Soza 2003-5-15 899 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. 396 Comment
  RSA0051765  Ranunculus californicus Elwood Fordham 1951-3-18 s.n. Los Angeles Topanga, Robinson Road near juncture Topanga Highway. 304 Comment
  SEINET12006550  Raphanus raphanistrum Unknown 1945-1 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC74281  Raphanus sativus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SEINET13276830 Image available Rhamnaceae R. G. Swinney 2011-1 14180 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  RSA640328  Rhamnus californica Louis C. Wheeler 1931-6-19 s.n. Los Angeles Base of San Gabriel Mountains: La Verne. . Comment
  CHSC35812  Rhamnus californica subsp. californica Philip A. Silverstone 1981-5-17 521 Los Angeles Santa Monica Mtns.; Malibu Creek State Park; Mulholland Hwy. 2.4 km E Las Virgenes Rd. 210 Comment
  LA207792  Rhamnus crocea Paul Gripp; May 1954 sn Los Angeles Mt. Gleason Rd., Tujunga Comment
  RSA0101276  Rhamnus crocea subsp. crocea R. G. Swinney 2011-3-18 14141 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  PASA426  Rhamnus cuspidata Frank W. Peirson 1921-7-17 Los Angeles Prairie Fork of San Gabriel River 2011 Comment
  LA52137  Rhamnus ilicifolia Carl Epling; 1926-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
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Apr 22 2014
  RSA226005  Rhamnus ilicifolia Robert F. Thorne, C. W. Tilforth 1971-6-29 40644 Los Angeles Angeles National Forest: along Little Rock Creek, 1.6 mi. above Little Rock Dam near Reservoir Campground 1006 Comment
  CAS-BOT-BC360866  Rhamnus pirifolia Alice Eastwood 1917-7-20 6469 Los Angeles Santa Catalina Island Comment
  RSA213334  Rhamnus pirifolia Reid V. Moran 1941-2-2 608 Los Angeles Santa Catalina Island, Johnson's Valley 20 Comment
  RSA583018  Rhamnus pirifolia Tim S. Ross, Takara, Otte 1993-4-24 6961 Los Angeles Santa Catalina Island, W end of island beyond the isthmus, lower Boughette Canyon (draining NE to Johnsons Landing). 91 Comment
  SBBG41344  Rhamnus pirifolia M. R. Benedict 1970-6-29 Los Angeles coast rd W of Parson Landing Comment
  SBBG96794  Rhus aromatica T. Ross, S. Boyd 1990-6-6 2832 Los Angeles Green Valley Pasture (San Francisquito Cyn) 926 Comment
  CAS-BOT-BC170454  Rhus integrifolia Peter H. Raven 1959-3-1 13814 Los Angeles Vermont Canyon, Griffith Park - Santa Monica Mountains 243 Comment
  HSC3152  Rhus integrifolia C. E. Fellows 1965-12-20 189 Los Angeles 2 mi. S of Ventura Blvd. on Reseda Blvd., across from the Deauville Country Club, 200 yds. up the hillside Comment
  SBBG98599  Rhus integrifolia T. Ross 1999-3-9 4183 Los Angeles Whittier Hills (Puente Hills); SE side of ridgetop knoll, head of Oak Cyn 368 Comment
  UCR13460  Rhus integrifolia 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
  CATA1473  Rhus ovata Mark L. Hoefs, Robert F. Thorne 1996-4-6 2663 Los Angeles Santa Catalina Island: Upper Avalon Canyon, Hermit's Gulch Trail, where trail crosses stream 164 Comment
  RSA0098647  Rhus ovata R. G. Swinney 2010-5-25 12961 Los Angeles San Gabriel Mountains: just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 659 Comment
  RSA624002  Rhus ovata Jack Hudson 1950-03 s.n. Los Angeles San Rafael Hills-between Glenoaks and Hill Dr. Comment
  SEINET4890185 Image available Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains: Arroyo Seco. 457 Comment
  UCSB33720  Ribes aureum Miller, Brian 1963-3-15 Los Angeles Whittier Narrows; San Gabriel River 91 Comment
  RSA0042665  Ribes aureum Laura Moore, Jean Moore 1999-2-6 002 Los Angeles Pitzer College, Claremont: Northeast corner of Outback area. 350 Comment
  CAS-BOT-BC92454  Ribes aureum var. gracillimum Dr. Davidson 1894-1-1 s.n. Los Angeles Plains near Los Angeles. Comment
  RSA98695  Ribes aureum var. gracillimum C. R. Quick 1931-2-14 47 Los Angeles Arcadia. Comment
  UCR189756  Ribes cereum R. G. Swinney 1998-7-10 6388 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  CAS-BOT-BC108896  Ribes divaricatum var. pubiflorum Clarence R. Quick 1942-4-18 s.n. Los Angeles El Monte. Comment
  CAS-BOT-BC173106  Ribes indecorum F. V. Coville; Rimo Bacigalupi 1925-4-18 172 Los Angeles Entrance to San Antonio Canyon, San Gabriel Mts. Comment
  RSA48021  Ribes indecorum C. F. Baker 1904-2-15 4011 Los Angeles San Antonio Canyon Comment
  UC11549  Ribes indecorum W. H. Brewer 1860-12-18 69 Los Angeles Sierra Santa Monica Comment
  UC11602 Image available Ribes indecorum Harley P. Chandler 1897-1-1 Los Angeles Palmer's Canyon Claremont 701 Comment
  CAS-BOT-BC173399  Ribes malvaceum Peter H. Raven; Robert F. Thorne 1964-5-7 19005 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  HSC12390  Ribes malvaceum Wendell Wood 1970-6-21 24 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  LA50740  Ribes malvaceum W. O. Griesel; March 1936 sn Los Angeles Santa Monica Mountains, Mulholland Hy near Sepulveda Can 396 Comment
  UCSB2637  Ribes malvaceum var. viridifolium Haller, John 1950-3-26 Los Angeles San Gabriel Mtns; along Glendora Mtn Road; North Shore 1066 Comment
  SEINET6744575 Image available Ribes menziesii Marcus E. Jones 1882-1 2378 Los Angeles Pasadena, California Comment
  CAS-BOT-BC209704  Ribes quercetorum Frank W. Peirson 1922-6-3 2548 Los Angeles East of Oakgrove Canon [Canyon] Divide, Liebre Mts. Comment
  RSA476237  Ribes roezlii F. R. Fosberg 1971-8-12 S 5564 Los Angeles Buckhorn trail, NW ridge Mt. Islip. 2140 Comment
  UC1929634  Ribes roezlii V. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 1460 Los Angeles Transverse Ranges; San Gabriel Mountains region; Along Sunset Ridge Fire Road, approximately 900 m southwest of Sunset Peak. UTM 11S: 37 85 387 N x 04 36 184 E. 1646 Comment
  CAS-BOT-BC173944  Ribes viburnifolium Knopf; Johnson 1930-2-1 1464 Los Angeles Cherry Valley, near Isthmus, Catalina Island Comment
  SBBG41340  Ribes viburnifolium M. R. Benedict 1970-6-29 Los Angeles N side of west end, near Lorenzo Pt Comment
  SBBG78088  Ribes viburnifolium L. Rowntree 1929-5-20 Los Angeles Santa Catalina Island Comment
  UC162058  Ribes viburnifolium George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 1130 -5053 Los Angeles Santa Catalina Island Comment
  UCR141313  Ribes viburnifolium R. F. Thorne 1977-3-22 45760 Los Angeles Santa Catalina Island, ENE slope of Blackjack Mine 457 Comment
  SEINET3165394  Ricinus communis G. B. Grant 1905-5-10 1130 -A Los Angeles Pasadena Comment
  IRVC28608  Rorippa nasturtium-aquaticum A. C. Sanders, Mark Elvin 2002-6-20 25225 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  CAS-BOT-BC147475  Rosa californica Robert F. Thorne; M. Z. Thorne 1966-8-29 36609 Los Angeles San Gabriel Mts., Angeles National Forest: Big Pines Recreation Area, on north side of Jackson Lake at W end, on road from Big Pines to Valyermo 1859 Comment
  POM306718  Rosa californica Henry J. Ramsey, Henry J. Ramsey 1937-7-18 1664 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  RSA451661  Rosa woodsii subsp. gratissima I. M. Johnston 1917-8-23 1704 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA720396  Rosa woodsii subsp. gratissima R. G. Swinney 1997-7-22 5714 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area. 2073 Comment
  CAS-BOT-BC146959  Rosa woodsii var. gratissima Le Roy Abrams; E. A. McGregor 1908-7-5 652 Los Angeles [Swartout] Swarthout Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  CAS-BOT-BC146962  Rosa woodsii var. gratissima C. B. Wolf 1931-10-23 2494 Los Angeles 100 ft. west of Wrightwood Lodge, [Swartout] Swarthout Valley, San Gabriel Mts. 1828 Comment
  SEINET3289854 Image available Rosmarinus officinalis M. W. Denslow, LeRoy Gross 2003-5-12 1142 Los Angeles Transverse Ranges; San Gabriel Mountains region: Along Rincon Red Box Road (2N24.1) at intersection with Valley Forge Canyon off road-side. 1250 Comment
  RSA0038714  Rubus leucodermis R. G. Swinney 2010-10-13 14030 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  UC1971400  Rubus ursinus Louis C. Wheeler 1967-5-15 9594 Los Angeles SAN GABRIEL MOUNTAINS: Elsmere Canyon, near mouth. Comment
  CAS-BOT-BC433248  Rumex crispus Peter H. Raven; Henry J. Thompson 1959-5-5 14114 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  CATA1337  Rumex salicifolius Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2439 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  CHSC36052  Rumex salicifolius James Henrickson 1973-6-15 10701 Los Angeles City of Long Beach, in open flats near small pond at junction of Pacific Coast Highway and Colorado St. 3 Comment
  UCSB1615  Rumex salicifolius Wedberg, H. 1958-7-15 Los Angeles behind store at jct. New and Old Topanga Canyons, Santa Monica Mtns. Comment
  UC1070549  Rumex salicifolius var. salicifolius Jerome S. Horton 1936-8-26 393 Los Angeles Tanbark Pomona Quad. 792 Comment
  RSA466078  Rumex salicifolius var. salicifolius Frances Runyan 1971-7-14 s.n. Los Angeles Moist draw, 3 1/2 miles west of Acton, Agua Dulce Canyon Road, Agua Dulce. 701 Comment
  JEPS65650  Rupertia physodes F. W. Peirson 1918-5-26 93 Los Angeles Henninger Flats San Gabriel Mts. 868 Comment
  SFV15591  Salazaria mexicana K. C. Molina, K. L. Garrett 1992-5-10 17 Los Angeles San Gabriel Mountains Valyermo. Valyermo Road, about 1 km northwest of Big Rock Creek. 1200 Comment
  UCR123896  Salazaria mexicana Steven R. Hill, K. Kramer 2001-4-22 33395 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  RSA478900  Salicornia virginica L. E. Hoffman 1932-8-3 s.n. Los Angeles Playa del Rey. Comment
  RSA0070370  Salix exigua R. G. Swinney 2010-4-1 12152 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., (below burn area of 2009, Station Fire), below Forest Service boundary, from wash bottom to 150 m. to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UC1375348  Salix exigua var. hindsiana Robert F. Thorne 1971-6-26 40628 Los Angeles at mouth of Big Tujunga Canyon; San Gabriel Mts., Angeles Nat'l Forest 426 Comment
  RSA162844  Salix gooddingii J. D. Olmsted 1959-3-30 330 Los Angeles 1/2 mile SW of jct between Cobal and Palmer Canyons. E county boundary; Mt. Range: San Gabriel Mtns; Drainage: Thompson Creek. 412 Comment
  RSA754094  Salix gooddingii Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1808 Los Angeles Lario San Gabriel River Trail Park 180 Comment
  UCR216909  Salix gooddingii R. G. Swinney 2009-3-16 10125 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
  LA208743  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-11 7643 Los Angeles Above Ballona Creek, S of Culver City [Area 2] Comment
  POM186369  Salix laevigata A. N. Dunn, Joseph A. Ewan 1933-7-23 7818 Los Angeles Colby's Ranch, San Gabriel Mountains 1143 Comment
  RSA578825  Salix laevigata Tim S. Ross, Darin Banks 1994-4-13 7520 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  RSA621265  Salix laevigata Louis C. Wheeler 1968-4-13 s.n. Los Angeles Bluebird Truck Trail 450 Comment
  UCR238478  Salix laevigata Orlando Mistretta, Christine Mistretta 2008-4-29 2619 Los Angeles Transverse Ranges; San Gabriel Mountains, Short Cut Station, upper Big Tujunga Canyon, northwest of junction of State Hwy 2 (Angeles Crest Hwy) and Forest Service Route 3N19 (Upper Big Tujunga Canyon Road) 1280 Comment
  CAS-BOT-BC128131  Salix lasiandra var. lasiandra Carl W. Sharsmith 1932-1-17 12 Los Angeles At bottom of Lower San Gabriel Canyon, about 11 km. above Azusa 300 Comment
  POM362715  Salix lasiolepis Carl. W. Sharsmith 1932-1-17 10 -A Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  POM362721  Salix lasiolepis Robert Gustafson 1981-3-18 2128 a Los Angeles Ballona Wetlands, Area 1. Comment
  RSA729943  Salix lasiolepis R. G. Swinney 1999-6-18 7299 Los Angeles Big John Flat, SE end along canyon bottom of east of fork of Boulder Canyon. 1732 Comment
  SBBG44668  Salix lasiolepis W. A. Wright 1931-2-19 Los Angeles Bannings Cyn, 0.66 mi from sea Comment
  UCR202748  Salix lasiolepis R. G. Swinney 2001-8-27 8088 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  CAS-BOT-BC107533  Salix lasiolepis var. lasiolepis Alice Eastwood Aug. 18 s.n. Los Angeles Antelope Valley Comment
  POM362683  Salix lucida subsp. lasiandra E. A. Purer 1935-5-11 6583 Los Angeles Ventura Boulevard, near Calabasas. Comment
  RSA657473  Salsola tragus Joseph M. Keefe 2001-1-24 31033 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  CAS-BOT-BC180708  Salsola tragus Peter H. Raven 1961-9-24 16754 Los Angeles Bouquet Reservoir 914 Comment
  RSA607576  Salsola tragus L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.] Comment
  SBBG58385  Saltugilia australis R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk Comment
  CHSC5102  Saltugilia caruifolia M. MacArthur 1967-7-16 87 Los Angeles Charlton Flat ca. 1 mi from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. Near path. 1524 Comment
  RSA244394  Saltugilia splendens subsp. grantii Robin S. Collins 1973-5-28 321 Los Angeles Trail Canyon 732 Comment
  RSA424330  Salvia apiana William Emboden 1970-6-12 16 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA424334  Salvia apiana William Emboden 1970-6-12 31 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA424348  Salvia apiana William Emboden 1970-6-12 40 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA424353  Salvia apiana William Emboden 1970-6-12 30 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA651804  Salvia apiana Shlomo Gat 1959-5-22 53 Los Angeles San Dimas [Canyon] Comment
  RSA657025  Salvia apiana Joseph M. Keefe 2001-1-19 30902 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, 90042. 262 Comment
  UC620095  Salvia apiana F. R. Fosberg 1931-5-6 S 4808 Los Angeles Cape Canyon Cape Canyon, Santa Catalina Island; Santa Catalina Island 280 Comment
  POM4134  Salvia carduacea Alice Davis 1908-5-1 s.n. Los Angeles Claremont. 400 Comment
  RSA0048544  Salvia carduacea Geo. R. Julian 1962-4-14 s.n. Los Angeles 10 miles east of Pearblossom. Comment
  RSA651664  Salvia carduacea Arthur L. Smith 1955-5-15 s.n. Los Angeles Llano Antalope Valley [Antelope Valley?] 1037 Comment
  LA200613  Salvia columbariae Carl Epling; 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA599615  Salvia columbariae Steve Boyd, Lauren Raz 1997-4-16 9509 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 854 Comment
  SFV6209  Salvia columbariae R. M. Muran 1974-4-26 81 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  UC1215241  Salvia columbariae Peter H. Raven 1962-4-12 17319 Los Angeles w side San Clemente Island (near foot of canyon s of canyon below the Tomb) 106 Comment
  POM3990  Salvia columbariae Dian Haynes 1890-05 s.n. Los Angeles Arroyo Seco. Comment
  RSA401459B  Salvia columbariae Robin S. Collins 1973-4-9 227 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon., ca. 1/2 - 1 mile into cyn. along pack trail 640 Comment
  SBBG55016  Salvia columbariae T. T. Smith 1962-5-13 25 Los Angeles 0.5 mi up Cobal Cyn Fire Rd N of Claremont 548 Comment
  UCD125532  Salvia dorrii var. pilosa Ira L. Wiggins 1966-4-15 20588 Los Angeles immediately east of J.F.L. Motel, Pearblossom. Comment
  RSA573480  Salvia leucophylla Tim S. Ross 1992-6-15 6571 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 256 Comment
  CAS-BOT-BC229935  Salvia mellifera Alice Eastwood 1919-7-4 9279 Los Angeles Santa Monica Canyon, Los Angeles Comment
  LA99057  Salvia mellifera R. L. Armacost; 1960-6-9 1299 Los Angeles 335 Comment
  RSA3509  Salvia mellifera Carl B. Wolf 1932-5-9 3452 Los Angeles Pebbly Beach, Santa Catalina Island. 30 Comment
  SD186250  Salvia mellifera A. C. Sanders, Helen Kennedy 2005-4-13 29432 Los Angeles Santa Clarita area, lower Mint Canyon at Mint Canyon. 456 Comment
  UC416698  Salvia mellifera R. L. Pendleton 1909-7-2 1370 Los Angeles road e Avalon; Santa Catalina Island 6 Comment
  UCD125537  Salvia mellifera A. C. Sanders; D. Malueg 1998-6-22 22029 Los Angeles San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  RSA0085073  Salvia mellifera Mark Hotchkiss 1977-4-18 s.n. Los Angeles Cal Poly Campus. 259 Comment
  SD12563  Salvia spathacea Edith A. Purer 1935-5-11 6572 Los Angeles Malibou Road Comment
  SEINET9291814  Sambucus canadensis var. canadensis Unknown 2008-7-15 9222 Los Angeles Winston Peak Comment
  RSA682452  Sambucus mexicana LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1036 Los Angeles South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  UC1125369  Sambucus mexicana R. St. John 1930-2-15 96 Los Angeles Pico Canyon Santa Susana Quadrangle 533 Comment
  UC1871099  Sambucus mexicana T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4938 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880&apos Comment
  UC450905  Sambucus mexicana F. A. MacF. 1931-4-1 Los Angeles Tuna Canyon Verdugo Hills Comment
  HSC3970  Sambucus nigra subsp. caerulea David Porter 1965-5-14 Los Angeles Along Mulholland Hwy., 1 mi. W of Canyon Rd. 305 Comment
  UCR277199  Sambucus nigra subsp. caerulea R. G. Swinney 2010-9-30 13954 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
  LA91438  Sambucus nigra subsp. canadensis Bruce Douglas Clayton; Greg Clayton 1972-3-30 38 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus, at head of canyon. 585 Comment
  RSA3745  Sanicula arguta C. B. Wolf 1932-5-11 3571 Los Angeles Santa Catalina Island. Point west side of Fourth O July Cove. 30 Comment
  UC1598723  Sanicula arguta Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  RSA659736  Sanicula arguta Orlando Mistretta, Peter L. Morrell 1992-4-3 95 Los Angeles San Clemente Island. Comment
  UC303477  Sanicula bipinnata I. M. Johnston 1918-5-19 2003 Los Angeles Hills s of Pomona; Southern California 365 Comment
  UCR179661  Sanicula crassicaulis R. G. Swinney 1991-4-23 1585 Los Angeles San Gabriel Valley, Glendora, South Hills City Park, along Toyon Trail, south of Mauna Loa Park 256 Comment
  UC1400363  Sanicula crassicaulis Robert F. Thorne 1971-4-2 41434 Los Angeles n of Mountain Avenue (San Gabriel Mts, Claremont, Johnson's Pastures); San Gabriel Mts, Claremont, Johnson's Pastures 548 Comment
  UCR190054  Sarcodes sanguinea R. G. Swinney 1998-9-7 6931 Los Angeles San Gabriel Mtns., Dawson Peak ridge, Dawson Peak Ridge Trail 2829 Comment
  SD69005  Satureja douglasii Robert F. Thorne, D. Propst 1968-5-28 37647 Los Angeles Santa Catalina Island, middle Bulrush Canyon 244 Comment
  RSA588057  Schismus arabicus Orlando Mistretta 1994-4-15 1068 Los Angeles San Gabriel Mountains, Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1250 Comment
  UCR193704  Schismus barbatus R. G. Swinney 1999-5-22 7192 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  LA33907  Schoenoplectus americanus Peter H. Raven; 1959-10-25 14712 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, 4.1 mi N of Pacific Coast Hwy along Malibu Creek. 91 Comment
  RSA590506  Schoenoplectus maritimus Timothy S. Ross, Janet Takara, M. Gay 1993-4-20 6824 Los Angeles Santa Catalina Island: NE side of Little Harbor near the outlet of Little Springs Canyon drainage. 1 Comment
  POM184671  Scirpus microcarpus Joseph A. Ewan 1932-5-30 7232 Los Angeles North Fork Tujunga Creek. San Gabriel Mts. 1067 Comment
  RSA587086  Scirpus microcarpus Orlando Mistretta, Steve Boyd 1995-5-23 1720 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. W side tributary drainage NE of Pacifico Mtn 1631 Comment
  RSA91467  Scirpus microcarpus F. W. Peirson 1924-5-27 4636 Los Angeles Colby's Ranch 975 Comment
  POM50040  Scrophularia californica L. R. Abrams 1901-4-11 1478 Los Angeles Santa Monica Canyon, Santa Monica Mountains. Comment
  RSA0116794  Scrophularia californica R. G. Swinney 2010-5-25 12932 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA549146  Scrophularia californica subsp. floribunda Tim S. Ross, Peter Fritsch 1990-6-20 3656 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  UCR147286  Scrophularia californica subsp. floribunda Orlando Mistretta 1992-6-17 580 Los Angeles Transverse Ranges; San Gabriel Mountains, Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon Comment
  SD69531  Scrophularia villosa Robert F. Thorne 1966-4-5 35797 Los Angeles Santa Catalina Island; SW of and near Empire Landing 152 Comment
  UCR13486  Scrophularia villosa 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
  RSA13807  Scutellaria siphocampyloides Victor Duran 1933-7-8 3503 Los Angeles San Gabriel Mountains, Horse Flats. 1677 Comment
  CHSC25023  Scutellaria tuberosa T. P. Spira 1977-4-6 102 Los Angeles Ca. 1 mi e of Las Virgenes Road, off of Stokes Canyon Road. Associates: Adenostoma fasciculatum, Quercus sp. 200 Comment
  RSA0081665  Sedum spathulifolium Scott D. White, Justin M. Wood 2009-5-6 12632 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  RSA0081654  Sedum spathulifolium L. C. Wheeler 1932-7-2 908 Los Angeles San Dimas Canyon - Brown Flat trail 1 mi. from Flat. San Gabriel Mts. 1219 Comment
  UC813070  Selaginella bigelovii I. W. Clokey and E. G. Anderson 1931-3-11 6508 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC333117  Senecio flaccidus var. douglasii Peter H. Raven 1957-11-30 11408 Los Angeles Along Mulholland Drive 4 miles east of Topanga Canyon, Santa Monica Mountains Comment
  RSA639475  Senecio flaccidus var. douglasii Walter Wisura 5130 Los Angeles San Gabriel Mts.: 3.5 mi W of Cow Canyon Saddle on forestry rd off Glendora Ridgeroad. Comment
  UC1586207  Senecio flaccidus var. douglasii Tim Ross 1991-8-16 5800 Los Angeles n Pasadena (Woodwardia Canyon); Condor Peak Quad., San Gabriel Mountains, Woodwardia Canyon 818 Comment
  POM243665  Senecio lyonii F. R. Fosberg 1931-3-27 S- 4416 Los Angeles Pebble [Pebbly] Beach Road, Santa Catalina Island. 15 Comment
  UC1594390  Senecio lyonii Tim Ross and Elizabeth Kellogg 1992-4-13 6145 Los Angeles in the vicinity Darter (nw part of San Clemente Island); San Clemente Island 18 Comment
  UC306327  Senecio lyonii George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 6134 1193 a Los Angeles Santa Catalina Island Comment
  POM302243  Senecio mikanioides George B. Grant 1900-1-2 s.n. Los Angeles Garden, Pasadena Comment
  RSA0117990  Senecio vulgaris Robert L. Benson 1905-5-16 64 Los Angeles Diamond Bar Ranch. 7 miles south of Pomona. Comment
  RSA527759  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4343 Los Angeles San Clemente Island. East side of island, near Malo Point, second canyon south of Bryce Canyon. Comment
  RSA383926  Sequoia sempervirens B. Davies s.n. Los Angeles Los Angeles (cultivated) Woods. Comment
  POM294724  Setaria parviflora Lyman Benson 1945-7-3 11834 Los Angeles Claremont, Pacific slope. 351 Comment
  UCD98643  Silene gallica Jack Delani; Barbara Shervanick 1974-5-23 205 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest; by edge of Johnstone Peak Road. 853 Comment
  SEINET4044551  Silene laciniata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  CSUSB706  Silene laciniata Virginia M. Bolton 1966-5-10 Los Angeles Pomona (city), on the Cal Poly campus hillside. California Polytechnic University, Pomona. Comment
  UC8464  Silene laciniata subsp. major J. H. Barber 1897-4 308 Los Angeles Santa Monica Comment
  CAS-BOT-BC175099  Silene verecunda Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  UCR223459  Silene verecunda R. G. Swinney 2009-6-8 11096 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
  RSA228962  Silene verecunda subsp. platyota R. F. Thorne 1971-8-25 41328 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  RSA60287  Silybum marianum S. L. Armstrong 1948-5-5 s.n. Los Angeles Los Angeles, in meadow, S of Chino Comment
  RSA654330  Silybum marianum Benjamen Rangel 1992-5-10 777 -41 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  RSA748346  Sisymbrium altissimum Justin M. Wood 2009-6-1 792 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  UCR189714  Sisymbrium altissimum R. G. Swinney 1998-7-10 6402 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR220291  Sisymbrium altissimum R. G. Swinney 2009-4-24 10475 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA0080389  Sisymbrium irio R. G. Swinney 2010-3-24 12044 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA584675  Sisymbrium officinale Timothy S. Ross, Annette Ross 1991-6-3 5551 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  UCR256955  Sisymbrium officinale LeRoy Gross 2012-6-17 5552 Los Angeles Transverse Ranges; San Gabriel Mountains, along trail and benches of the creek bottom, near Idlehour campground, upper Eaton Canyon 808 Comment
  RSA747286  Sisymbrium officinale R. G. Swinney 2008-5-30 8876 Los Angeles San Gabriel Mtns.: San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA431759  Sisymbrium orientale Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  SD90125  Sisymbrium orientale Mary H. Ward 1973-3-26 157 Los Angeles Manhattan Beach Comment
  UCR259590  Sisyrinchium bellum R. G. Swinney 2010-9-7 13731 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  POM1753  Sisyrinchium bellum I. M. Johnston 1918-5-5 1888 Los Angeles Trumbull Canyon, Puente Hills 30 Comment
  POM250487  Sisyrinchium bellum I. W. Clokey, E. G. Anderson 1935-5-9 6559 Los Angeles Puddingstone Dam Comment
  LA81978  Solanum douglasii O. H. Kappler; 1944-2-12 543 Los Angeles 7 Comment
  RSA0040208  Solanum douglasii Orlando Mistretta 1989-5-15 s.n. Los Angeles San Clemente Island, Bryce Canyon. Comment
  RSA527695  Solanum douglasii Tim S. Ross, Annette Ross 1991-6-3 5518 Los Angeles Elephant Hill: W Pomona. 329 Comment
  UCR143218  Solanum physalifolium var. nitidibaccatum L. C. Wheeler 1932-8-6 1125 Los Angeles San Gabriel Valley, 2 miles NNE of Claremont 427 Comment
  CAS-BOT-BC83637  Solanum umbelliferum L. Abrams 1902-6-29 2586 Los Angeles Mt. Wilson. 1524 Comment
  RSA654171  Solanum umbelliferum Marilyn Porter 1991-5-5 12 Los Angeles Upland at San Bernardino County line north from parking area at Shinn Road and Mount Baldy Road, followed abandoned road in flood plain. Start: (1/2) ? mile in. Stopped: (2)? miles. 670 Comment
  UC26272  Solanum umbelliferum Brewer 207 Los Angeles San Fernando Comment
  UC884970  Solanum umbelliferum Ira W. Clokey, B. Templeton April 1929 4432 Los Angeles Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 200 Comment
  RSA427410  Solanum umbelliferum Wm. Martin 1972-4-1 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  CAS-BOT-BC237747  Solanum wallacei Grant; Wheeler 1904-4-1 6141 Los Angeles Santa Catalina Island Comment
  LA209707  Solanum wallacei R. Herley; 1932-4-26 sn Los Angeles Santa Catalina Island, Avalon and Piedra Escadera Canyon Comment
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Jun 12 2014
  UCR108637  Solanum xanti L. C. Wheeler 1970-6-28 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp 2012 Comment
  UCR126742  Solanum xanti A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26221 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  UCR4116  Solanum xanti var. intermedium Ronald M. Cope 1965-3-27 s.n. Los Angeles San Gabriel Mtns., road from Devil's Canyon Wild Area to Azusa, 8-12 mi north of where the road crosses the west fork of the San Gabriel River 762 Comment
  UCR259594  Solidago californica R. G. Swinney 2010-9-7 13727 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  CAS-BOT-BC365019  Solidago velutina subsp. californica Peter H. Raven; Henry J. Thompson 1959-9-27 14552 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Latigo Canyon 1.1 miles north of Coast Highway 213 Comment
  JEPS30662  Solidago velutina subsp. californica Peter H. Raven and Henry J. Thompson 1959-9-27 14552 Los Angeles Latigo Canyon 1.1 mi n Coast Highway (Santa Monica Mountains); , Latigo Canyon 213 Comment
  UC1215152  Sonchus asper Peter H. Raven 1962-4-12 17336 Los Angeles narrow canyon s of canyon below the Tomb (w side San Clemente Island); w side San Clemente Island 274 Comment
  RSA594990  Sonchus oleraceus Mark Hoefs, R. F. Thorne 1996-4-6 2633 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
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Nov 20 2009
  LA209937  Sonchus oleraceus Norman A. Cole; May 1964 350 b Los Angeles Santa Monica Mountains, 9.7 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  UCD136160  Sonchus oleraceus Gary D. Cromwell; David W. Wheat 1971-5-14 653 Los Angeles west-facing slope above middle part of canyon. Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 miles northeast of Glendora. 548 Comment
  UC465709  Spergula arvensis subsp. arvensis D. L. Crawford 1916-3-28 996 Los Angeles low hills near city - Santa Monica Mts. Santa Monica Mts. Comment
  SBBG131034  Spergularia bocconi S. A. Junak 1999-5-6 SCa 881 Los Angeles 0.1 mi W of Emerald Bay Rd, at gate 15 Comment
  NY482312  Spergularia macrotheca S. D. Boyd 1990-4-7 4250 Los Angeles San Clemente Island. Lower half of China Syn, S end of island, W side. Comment
  RSA185751  Spergularia macrotheca I. L. Wiggins 1949-2-21 11958 Los Angeles San Clemente Island: Wilson s Cove Comment
  RSA0098530  Spergularia marina Orlando Mistretta 1992-4-5 205 Los Angeles Guds, San Clemente Island. Comment
  SBBG131579  Spergularia villosa S. A. Junak 2000-4-15 SCa 1222 Los Angeles E of Lone Tree 432 Comment
  UCR162579  Sporobolus airoides Anuja Parikh, Nathan Gale 2004-7-2 2078 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  RSA506195  Sporobolus cryptandrus L. C. Wheeler 1966-10-22 9045 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  CAS-BOT-BC235459  Sporobolus indicus Peter H. Raven; Henry J. Thompson 1958-9-28 13729 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Near Ohio Street on Westwood Boulevard 68 Comment
  UCR151391  Stachys ajugoides Scott D. White 2000-5-6 7782 Los Angeles Peninsular Ranges; Chino-Puente Hills region, Puente Hills: City of Rowland Heights, 'Rancho Rincon de la Brea' near Bill Blevins Park 244 Comment
  LA30871  Stachys albens Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 152 Los Angeles 9 Comment
  UC1595232  Stachys albens Tim Ross, Peter Fritsch 1990-6-20 3604 Los Angeles near Confluence of E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  LA52379  Stachys bullata Leo Boyd; 1953-5-10 sn Los Angeles Comment
  RSA725069  Stanleya pinnata var. pinnata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -78 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  RSA669145  Stellaria media LeRoy Gross, Naomi Fraga 2002-4-4 516 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, head north down Wildwood Fire Road, to old home site near La Tuna Canyon Road. 468 Comment
  UCR189417  Stellaria media R. G. Swinney 1998-5-30 6163 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR205552  Stellaria media R. G. Swinney 2008-5-30 8879 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
  RSA716214  Stellaria media Andrea Edwards, Pam De Vries 2006-4-11 84 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UCD99429  Stellaria media Frank W. Pierson 1919-4-19 368 Los Angeles Pacoima Canyon, San Gabriel Mts. 609 Comment
  RSA478123  Stellaria nitens L. C. Wheeler 1932-3-26 534 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  UCR180717  Stellaria nitens R. G. Swinney 1995-4-4 3478 Los Angeles San Gabriel Mtns, Glendora, ridge overlooking south end of Mystic Canyon at Big Dalton Canyon 451 Comment
  UCR270008  Stephanomeria parryi R. G. Swinney 2010-6-1 13119 Los Angeles San Gabriel Mountains, lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  UCR280899  Stephanomeria virgata R. G. Swinney 2014-5-1 16328 Los Angeles San Gabriel Mountains/Mojave Desert, NW of Valyermo, extreme west end of Holcomb Ridge, 400-500 meters NE of Valyermo Rd. and 250 m east of Big Rock Wash, 0.3 mile north of jct. of Pallett Creek Rd. and Valyermo Rd. 1110 Comment
  SEINET256101  Stipa Mary E. Barkworth, LR Firestone 1982-8-26 4086 Los Angeles Angeles National Forest ; Campground on CA Hwy 2 2240 Comment
  UCR187436  Stipa lepida Gary Kovnat, LeRoy Gross 2003-2-2 008 Los Angeles Transverse Ranges: San Gabriel Mountains, Angeles National Forest, Gold Creek Ecological Preserve, south terace south descending trail 671 Comment
  UCR256129  Stipa lepida R. G. Swinney 2010-3-22 12005 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540