Search Results — 2000 specimen records retrieved (1525 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384193  Abies concolor Ora M. Clark 1928-12-8 1367 Los Angeles San Gabriel Mountains; high mountains Comment
  SFV252  Abies concolor P. G. Kilburn 1957-12-19 570 Los Angeles San Gabriel Mountains Base of Mount Waterman ski lift 1982 Comment
  SD84836  Abronia maritima Reid Moran 1941-3-4 675 Los Angeles Santa Catalina Island; Little Harbor. 4 Comment
  RSA569226  Abronia pogonantha Bonnie C. Templeton 1931-5-17 1201 Los Angeles near Lancaster, Mohave Desert Comment
  SD41441  Abronia umbellata Edith A. Purer 1931-2-21 103 Los Angeles El Segundo. Comment
  RSA460984  Abronia umbellata Peterson 1931-07 s.n. Los Angeles Sand Dunes El Segundo Comment
  LA28404  Abronia umbellata subsp. umbellata Harlan Lewis; 1940-4-3 1269 Los Angeles Santa Monica Mountains, 10 mi. N [W] of Malibu Beach 1 Comment
  CATA3347  Acacia decurrens Julia Parish 2017-2-23 013 Los Angeles Santa Catalina Island: South edge of main buildings at Airport, planted 0 Comment
  RSA596219  Acamptopappus sphaerocephalus var. hirtellus T. S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3402 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 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
  UCR270485  Acer macrophyllum R. G. Swinney 2011-3-22 14194 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCSB32418  Acer macrophyllum Goodrich, Robert 1962-3-26 Los Angeles Along stream, in stream woodland community; Switzer's Inlet 914 Comment
  SEINET3282740 Image available Acer negundo var. californicum A. C. Sanders, T. B. Salvato 2009-5-20 36852 Los Angeles Sang Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  CAS-BOT-BC211915  Achnatherum coronatum Timothy S. Ross; Steve Boyd 1994-5-10 7702 Los Angeles Vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132), ca 2920 m NNW of Warm Springs Mtn. Summit, Warm Springs Mountain 7.5' USGS Quadrangle, 890 Comment
  RSA654027  Achnatherum coronatum Valerie L. Soza, Laura Moore 2000-5-10 835 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. at fire gate to powerlines. 594 Comment
  CAS-BOT-BC260444  Achnatherum hymenoides Roxana S. Ferris 1918-6-12 931 Los Angeles Lancaster Comment
  POM365954  Achnatherum hymenoides T. W. Minthorn 1925-5-30 s.n. Los Angeles Newhall Hills, Newhall. Near the hills to the west. Comment
  UCD63331  Achyrodes aureum L. Y. Leonard 1919-5-29 X- 3027 Los Angeles San Fernando. Comment
  RSA0091096  Acmispon americanus R. G. Swinney 2011-6-29 15326 Los Angeles mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  SBBG133334  Acmispon dendroideus var. traskiae D. Pivorunas, J. Savage, J. Lambert, J. Dunn 2003-5-28 DP 10 -2003 Los Angeles below Tota parking lot 323 Comment
  SD231309  Acmispon glaber var. brevialatus Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 100 Los Angeles Transverse Ranges; San Gabriel Mountains region: North side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  UCR271660  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-31 14928 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  SD240992  Acmispon maritimus R. G. Swinney 2009-3-31 10224 Los Angeles Transverse Range; San Gabriel Mountains: mouth of San Gabriel Canyon, 1.2 miles north of Foothill Blvd., Azusa/Duarte (Axusa 7.5'Q) 182 Comment
  UCSB68619  Acmispon maritimus Denslow, Michael; Sidibeh, Mariam; Soza, Valerie 2003-2-10 Los Angeles West descending ridge down into Brand Canyon on east side of Brand Canyon; Verdugo Mountains Region;: South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 576 Comment
  SBBG67982  Acmispon maritimus var. maritimus R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  SD251228  Acmispon nevadensis var. davidsonii Jane Tirrell 2012-8-3 LSO 141 Los Angeles Transverse Ranges; San Gabriel Mountains region; south side Pacific Crest Trail, ca. 300 m. west of Mt. Hawkins. 2603 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
  CHSC98049  Acmispon strigosus LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 693 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway .Area burned in Summer-Fall of 2002. 783 Comment
  LA36000  Acourtia microcephala Peter H. Raven; 1960-5-21 15410 Los Angeles University of California, Los Angeles 121 Comment
  UCR133645  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks 335 Comment
  SD134535  Acroptilon repens Craig Reiser 1990-5-16 Los Angeles Ritter Ranch, NW of Palmdale near Amargosa Creek Comment
  SDSU8957  Adenostoma fasciculatum Thomas A. Zink 1971-5-1 Los Angeles Near Cascadia Rd. in the Verdugo Hills, Glendale. 610 Comment
  UC1587608  Adenostoma fasciculatum Tim Ross 1991-8-14 5761 Los Angeles just below summit Roundtop Mt.; San Gabriel Mts., Chilao Flat U.S.G.S. 7.5' quad., Roundtop 1871 Comment
  LA52122  Adenostoma fasciculatum C. L. Hogue; 1954-5-4 Los Angeles Comment
  RSA85063  Adenostoma sparsifolium Katherine Kneen 1933-8-25 s.n. Los Angeles foot of Saddle Peak. Comment
  CAS-BOT-BC65563  Adiantum capillus-veneris L. R. Abrams; I. L. Wiggins 1931-7-4 322 Los Angeles White's Landing, Santa Catalina Island Comment
  LA3986  Adiantum jordanii W. Scott Lewis; 1904-4-24 402 Los Angeles SANTA MONICA MOUNTAINS, Nichols Canyon Comment
  SBBG108185  Adiantum jordanii S. L. Crockett 1997-4-1 640 Los Angeles offshoot Cyn from Middle Cyn; 0.2 mi SW on Middle Cyn Rd from pump house; SE side of Rd 315 Comment
  UCR53138  Aegilops ovata B. Lennart Johnson 1967-1 s.n. Los Angeles Grown at University of California, Los Angeles 152 Comment
  HSC13492  Aesculus californica C. S. Apperson 1967-6-8 Los Angeles Junction of Elizabeth Lake Canyon Rd and Maxwell truck trail Comment
  SBBG71281  Aesculus californica R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UC1595285  Ageratina adenophora Tim Ross 1992-5-17 6375 Los Angeles lower Shoemaker Canyon (draining to the E. Fork of the San Gabriel River an joining it at 2125 ft elevation); San Gabriel Mts., E. Fork of the San Gabriel River, Shoemake 737 Comment
  RSA416418  Agoseris retrorsa Robin S. Collins 1973-5-28 s.n. Los Angeles Trail Canyon, ca. 2 1/2 miles into canyon from beginning of pack trail 853 Comment
  UCSB31628  Agoseris retrorsa Griesel, Wesley 1962-5-2 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  RSA726054  Agropyron cristatum R. G. Swinney 1997-6-25 5638 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  RSA0062634  Agrostis R. G. Swinney 2010-9-9 13773 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA228965  Agrostis idahoensis R. F. Thorne 1971-8-25 41313 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  RSA776487  Agrostis scabra LeRoy Gross, Jane Tirrell 2011-7-20 5531 Los Angeles Head waters of South Fork Big Rock Creek, east of Angeles Crest Highway. 2317 Comment
  RSA286112  Agrostis stolonifera John F. Emmel 1980-8-19 754 Los Angeles San Gabriel Mountains. 0.1 air mile WSW of Big Pines Ranger Station 2091 Comment
  RSA755583  Agrostis stolonifera R. G. Swinney 2008-10-16 9585 Los Angeles Jackson Lake, south side of Big Pines Highway 1872 Comment
  RSA702489  Ailanthus altissima Scott D. White 2004-5-5 10304 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA682645  Ailanthus altissima LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1028 Los Angeles South side of mountains:Along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. 262 Comment
  SEINET10666941  Allium cepa Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3781 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA606186  Allium haematochiton Carl Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  UCR108205  Allium haematochiton Steve Boyd, Valerie Soza 1998-4-28 10154 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, c. 2 mi west of the junction w/ Sierra Hwy in Mint Canyon, top of ridge on the south side of the canyon. 634 Comment
  JEPS34547  Allium lacunosum Frank W. Peirson 1919-5-10 426 Los Angeles Arrastre Creek San Gabriel Mountains 853 Comment
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Jan 1 2017
  CHSC59620  Allium lacunosum var. lacunosum Daryl Koutnik 1978-4-28 431 Los Angeles Fireroad north of Mulholland Highway and northwest of Saddle rock. 609 Comment
  POM18103  Allium monticola Philip A. Munz 1923-5-25 6807 Los Angeles Big Rock Creek 1280 Comment
  POM244776  Allophyllum glutinosum F. R. Fosberg 1931-7-14 S- 5413 Los Angeles Hamilton Canyon, Santa Catalina Island. 30 Comment
  UC57499  Alnus rhombifolia J. H. Barber 1898-2-22 370 Los Angeles Topango Canyon Comment
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May 22 2014
  UCR218013  Alnus rhombifolia A. C. Sanders, Dan S. Cooper 2010-8-5 38569 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR259375  Alnus rhombifolia R. G. Swinney 2010-8-26 13585 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  SEINET5766009 Image available Amaranthus David Charlton 1991-5-27 5313 Los Angeles Mojave Desert Jct. 90 th and C St. west of Palmdale and south of Little Rock road to Edwards AFB. 945 Comment
  RSA661186  Amaranthus albus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 398 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  UCR205659  Amaranthus blitoides A. C. Sanders, T. B. Salvato 2009-5-20 36875 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  RSA598953  Amaranthus blitoides R. G. Swinney 1989-7-12 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Mouth of Lewis Paul Canyon. 502 Comment
  UCR151880  Amaranthus blitum Tom Yutani 1989-4-27 s.n. Los Angeles La Mirada. Rosecrans Ave and Beach Blvd (Hwy 39), between Hwy 39 and Coyote Creek 46 Comment
  RSA404560  Amaranthus palmeri Anstruther Davidson 1945-1 s.n. Los Angeles Los Angeles. Comment
  RSA404559  Amaranthus powellii Anstruther Davidson 1917-10 3298 Los Angeles Streets. Comment
  RSA535692  Amblyopappus pusillus Timothy S. Ross 1991-5-22 5446 Los Angeles San Clemente Island. Spray [point], W side of island about 5300 feet N of El Point. Coastal terrace. 9 Comment
  CAS-BOT-BC42855  Ambrosia acanthicarpa Cecil Hart 1922-9-12 5 Los Angeles Howard & Smith's nursery, Montebello Comment
  SBBG45022  Ambrosia acanthicarpa J. Snow 1932-1 Los Angeles Bryant Ranch, near Long Beach; T4S, R11W, SE/2 S27 Comment
  RSA416929  Ambrosia chamissonis Wm. Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  RSA232705  Ambrosia chamissonis Larry E. DeBuhr, Gary D. Wallace 1972-9-1 s.n. Los Angeles San Clemente Island. West Cove NW on island. Comment
  RSA128053  Ambrosia psilostachya Peter H. Raven, Henry J. Thompson 1958-9-28 13730 Los Angeles Elysian Park. 198 Comment
  RSA279130  Ambrosia psilostachya R. F. Thorne, D. Propst, Mark Hoefs 1974-9-12 45101 Los Angeles Santa Catalina Island: near bridge over stream lower end of Cottonwood Canyon. 30 Comment
  LA203758  Ambrosia salsola A. M. Johnson; 1932-4-17 3963 Los Angeles N of Palmdale in Joshua-tree area Comment
  JEPS39440  Ambrosia salsola var. salsola F. W. Peirson 1921-5-19 1316 Los Angeles Little Rock Cr. San Gabriel Mts., Little Rock Cr. 944 Comment
  RSA177944  Amorpha californica var. californica Joseph A. Ewan 1931-5-16 4212 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 304 Comment
  UC450834  Amorpha californica var. californica Fay A. Macfadden 1931-4-25 2630 Los Angeles woods opposite Belmont Club; Verdugo Hills, Tuna Canyon Comment
  SJSU13355  Amorpha fruticosa C. W. Sharsmith 1941-6-22 4401 Los Angeles Eaton Canyon, San Gabriel Mts 457 Comment
  CATA1723  Amsinckia intermedia Mark L. Hoefs, Steven A. Junak 2000-4-14 3070 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor 469 Comment
  RSA0069776  Amsinckia intermedia LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6994 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA190953  Amsinckia intermedia R. F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-19 36764 Los Angeles Santa Catalina Island: lower portion of Toyon Canyon 60 Comment
  SD21299  Amsinckia intermedia Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island Comment
  UCR152883  Amsinckia intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29441 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  SEINET9119016  Amsinckia intermedia E. Adams 1978-1 S.N. Los Angeles Pomona, behind Calif. Polytechnic Univ. health unit. Grassy hillside. Comment
  RSA499937  Amsinckia menziesii var. menziesii George B. Grant 1904-03 s.n. Los Angeles Sandy soil, Pasadena Comment
  UCR200173  Amsinckia retrorsa Valerie Soza, Laura A. Moore 2000-5-10 853 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  IRVC27964  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26120 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  UCR223101  Amsinckia tessellata R. G. Swinney 2009-5-12 10730 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA587757  Amsinckia tessellata Tim Ross 1991-4-27 4620 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking S to SSW). ca 0.25- 0.3 miles W of the county line. 1183 Comment
  RSA0091454  Amsinckia tessellata var. tessellata Orlando Mistretta 1992-5-4 212 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  RSA465133  Anagallis arvensis M. B. Dunkle 1929-4-7 2098 Los Angeles White's Landing, Santa Catalina Island. Comment
  UC1922237  Anagallis arvensis Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 886 Los Angeles Verdugo Mountains; northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  LA212289  Anagallis arvensis W. M Arbaugh; 1968-5-10 228 Los Angeles Cal Poly, on sunny hillside behind Fremont Hall. Comment
  RSA647313  Anagallis arvensis Vernon Cliffe 1948-5-3 s.n. Los Angeles Found growing in empty lot, W side of 3600 Blk., Orange Ave. 61 Comment
  RSA667597  Ancistrocarphus filagineus Steve Boyd, Lee Lenz 2001-5-2 10423 Los Angeles Along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. [Latitude should be 34 instead of 36] Comment
  CAS-BOT-BC137846  Andropogon glomeratus var. glomeratus McClatchie s.n. Los Angeles Pasadena. Comment
  CATA3458  Andropogon glomeratus var. scabriglumis Benjamin J. Dion, Stuart Olshevski 2017-7-17 039 Los Angeles Santa Catalina Island: Pacific Side; in drainage east of Palisades in Sage Canyon watershed 223 Comment
  SD232138  Andropogon glomeratus var. scabriglumis Justin M. Wood 2008-11-25 255 Los Angeles San Gabriel mountains, Big Tujunga Canyon, near road to Wildwood picinic area. On the side of the road in vicinity of spring. 579 Comment
  CAS-BOT-BC400323  Anemopsis californica Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8095 Los Angeles Liebre Mountains. Cottonwood Swamp; Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain 515 Comment
  RSA652511  Anthemis cotula Jim Reutzel 1994-5-29 200 Los Angeles Los Angeles [Pomona], hills behind Cal Poly Pomona University, behind the north Health Center parking lot. Comment
  RSA654562  Anthemis cotula Benjamen Rangel 1992-5-17 777 -47 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  UCR155665  Antirrhinum coulterianum A. C. Sanders, Helen Kennedy 2005-4-13 29460 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA425824  Antirrhinum kelloggii Geo. L. Moxley 1915-5-31 338 Los Angeles Sturtevant Trail, Santa Anita Canyon. Comment
  RSA135187  Antirrhinum multiflorum Peter H. Raven 1960-5-21 15392 Los Angeles Triunfo Canyon. Santa Monica Mountains. 259 Comment
  UCR258569  Antirrhinum multiflorum R. G. Swinney 2010-5-29 13014 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  RSA188317  Antirrhinum nuttallianum subsp. subsessile Robert F. Thorne 1965-6-23 34992 Los Angeles Santa Catalina Island. Near mouth of Hamilton Canyon NW of Avalon. 23 Comment
  SBBG31219  Antirrhinum nuttallianum subsp. subsessile R. F. Thorne 1966-4-5 35876 Los Angeles lower portion of Cottonwood Cyn 106 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
  LA200139  Apiastrum angustifolium O. H. Kappler; 1941-4-6 179 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR189824  Apocynum androsaemifolium R. G. Swinney 1998-9-4 6904 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  CHSC95444  Apocynum cannabinum LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Vergen 2003-6-19 1109 Los Angeles Transverse Ranges: Verdugo Mountains region: 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
  RSA600003  Apocynum cannabinum Steve Boyd, Lauren Raz 1997-5-28 9842 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
  UCSB4908  Apocynum cannabinum Wedberg, H. 1958-7-3 Los Angeles About 5 mi. below Crystal L., San Gabriel Mtns. Comment
  RSA733042  Aquilegia formosa R. G. Swinney 1998-8-6 6703 Los Angeles Alder Gulch, a western tributary of upper East Fork San Gabriel River. 1159 Comment
  UCR210158  Aquilegia formosa R. G. Swinney 2008-8-13 9359 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR259103  Arabis John F. Emmel 1996-5-11 1397 Los Angeles Sierra Pelona, SSE of Bouquet Reservoir; along USFS Road 6N07, 1.2 road mi west of junction with USFS Road 6N08 1402 Comment
  RSA0126237  Arabis glabra var. glabra Fred Cox 1916-4-15 s.n. Los Angeles Johnson's Pasure, above Claremont Comment
  RSA229073  Arabis perennans R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38915 Los Angeles San Gabriel Mountains, Angeles National Forest: S slope Table Mountain above Big Pines 2119 Comment
  POM301544  Arbutus menziesii J. C. Roos 1942-3-21 1095 Los Angeles Chantry Flats, Santa Anita Canyon Comment
  RSA507523  Arbutus menziesii L. C. Wheeler 1966-11-26 9157 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon Drainage. Pine Mountain Truck Trail. 914 Comment
  RSA755896  Arceuthobium californicum R. G. Swinney 2008-7-25 9302 Los Angeles Twin Peaks, east peak. 2357 Comment
Read comments
Sep 27 2010
  SBBG37682  Arctostaphylos catalinae R. Moran 1941-2-28 651 Los Angeles head of Johnson's Cyn 400 Comment
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Mar 14 2012
  UCSB43769  Arctostaphylos catalinae Nakashima, L. 1982-4-18 Los Angeles 1.6 miles south of Catalina airfield in Cottonwood Canyon on Santa Catalina Island 426 Comment
  RSA626703  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22113 Los Angeles Glendora Ridge Road, 7 km southwest of Baldy Road. 1410 Comment
  RSA636833  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22122 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA626726  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22110 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  UC879406  Arctostaphylos glandulosa subsp. glandulosa Ira W. Clokey, B. Templeton Apr. 1929 4452 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  POM367278  Arctostaphylos glandulosa subsp. mollis Geo L. Moxley 1919-9-1 713 Los Angeles Ridge 1/2 mile north of Mt. Hollywood, Griffith Park. Comment
  RSA609386  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1930-3-15 15 Los Angeles Mandeville Canyon.. . Comment
  RSA631213  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21973 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  UCR65516  Arctostaphylos glandulosa subsp. mollis T. S. Ross, Steve Boyd 1990-5-15 2468 Los Angeles San Gabriel Mtns., Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District 1049 Comment
  CAS-BOT-BC39338  Arctostaphylos glauca W. R. Dudley; F. H. Lamb 1896-6-7 4345 Los Angeles Liebre Mountains, Kings Canyon Comment
  RSA631427  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20503 Los Angeles Chilao Campground. 1600 Comment
  RSA631483  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15974 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA0087355  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15815 Los Angeles San Gabriel Canyon, Hwy 39, 9-10 km N of ORV area, San Gabriel Mountains. 900 Comment
  RSA634692  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20331 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634720  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20517 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635159  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20273 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  RSA635175  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20558 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA635251  Arctostaphylos patula Jon E. Keeley 1992-8-21 20642 Los Angeles Cloudburst summit 640 Comment
  UCR141043  Arctostaphylos patula June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  UCR270215  Argemone munita R. G. Swinney 2011-7-7 15435 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR271523  Argemone munita R. G. Swinney 2011-5-31 14914 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  RSA791805  Argyranthemum foeniculaceum R. E. Riefner Jr. 2011-8-19 11 -103 Los Angeles Palos Verdes Peninsula, Malaga Cove, north ca. 0.2 miles from Paseo del Mar St. at Palos Verdes Dr. West. 90 Comment
  SD90448  Aristida adscensionis Robert F. Thorne, M. Z. Thorne 1973-2-12 42473 Los Angeles Santa Catalina Island, north of Marine Science Station at Fisherman's Cove, bare clayey openings in coastal sage scrub. 46 Comment
  POM9640  Artemisia californica Philip A. Munz 1920-12-5 4401 Los Angeles Claremont. 366 Comment
  RSA0083139  Artemisia douglasiana R. G. Swinney 2010-9-13 13822 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA0103475  Artemisia douglasiana R. G. Swinney 2011-10-18 15810 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1021 Comment
  RSA417272  Artemisia douglasiana F. R. Fosberg 1931-10-11 7214 Los Angeles Topanga Canyon. Santa Monica Mts. Comment
  RSA754436  Artemisia douglasiana Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1801 Los Angeles San Gabriel River 181 Comment
  UCR210255  Artemisia douglasiana R. G. Swinney 2008-8-13 9364 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  CAS-BOT-BC93827  Artemisia dracunculus Timothy S. Ross; Steve Boyd 1994-9-20 8222 Los Angeles Liebre Mountains - Upper Bee Canyon: drainage on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua 740 Comment
  POM249898  Artemisia dracunculus Gaines 1939-08 s.n. Los Angeles Near U.C.L.A. Campus, Westwood. 591 Comment
  UCR210171  Artemisia ludoviciana R. G. Swinney 2008-10-16 9618 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  UCR209410  Artemisia tridentata R. G. Swinney 2008-10-8 9518 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  CAS-BOT-BC97277  Artemisia tridentata subsp. parishii Philip A. Munz 1923-11-11 7803 Los Angeles Newhall Comment
  CAS-BOT-BC97285  Artemisia tridentata subsp. parishii George H. Ward; Whitmire 1951-3-26 977 Los Angeles just S of Lancaster Comment
  RSA48849  Artemisia tridentata subsp. parishii J. C. Roos 1949-11-27 4704 Los Angeles Flats 4 miles east of Palmdale. 823 Comment
  OBI70302  Artemisia tridentata subsp. tridentata Louis C. Wheeler 1956-9-16 7239 Los Angeles San Gabriel mtns: Guffy Camp, Blue Ridge Comment
  RSA549235  Asclepias fascicularis Scott D. White 1992-10-8 872 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  SFV2806  Asclepias fascicularis M. L. Vincent 1962-7-10 273 Los Angeles Santa Monica Mountains Dry Canyon, 0.5 miles west of Old Topanga Canyon Road. 360 Comment
  SBBG119428  Aspidotis californica S. D. White with P. De Vries 2000-5-18 7895 Los Angeles foothills above Irwindale, Fish Crk Cyn, from the mouth of the cyn at CalMat quarry upstream to falls 305 Comment
  RSA417650  Aster subulatus var. ligulatus L. C. Wheeler 1933-9-28 2140 Los Angeles Puddingstone Diversion Channel, La Verne. 305 Comment
  RSA0008146  Aster subulatus var. ligulatus Peter H. Raven, Henry J. Thompson 1959-9-6 14366 Los Angeles Santa Monica Mountains: Malibu Creek. 34 deg.N, 118 deg.-119 deg.W. 6 Comment
  SFV4899  Astragalus brauntonii M. H. Grayum 1971-5-16 s. n. Los Angeles Santa Monica Mountains Temescal Canyon near Sunset Blvd. 76 Comment
  NY621866  Astragalus brauntonii G. B. Grant 06 1901 4127 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
  POM9795  Astragalus coccineus Wm. M. Pierce 1921-4-1 s.n. Los Angeles Near Palmdale. Comment
  CAS-BOT-BC177827  Astragalus curtipes Marcus E. Jones 1903-5-15 s.n. Los Angeles Catalina Island 30 Comment
  SBBG68228  Astragalus didymocarpus R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake to Antelope Valley Comment
  UC1128764  Astragalus didymocarpus A. D. Gifford 1935-4-21 617 Los Angeles 3 mi nnw Manzana; Tejon Quad., nnw of Manzana Comment
  SEINET898804  Astragalus didymocarpus Lois E. James 1946-1 1747 Los Angeles Along the railroad tracks at Acton, Soledad Canyon. Comment
  SD48967  Astragalus didymocarpus var. obispoensis Lois E. James 1947-4-13 1752 Los Angeles Ca. 0.5 miles west of Ravenna in Soledad Canyon Comment
  UCR120576  Astragalus douglasii Steven R. Hill, K. Kramer 2001-4-22 33339 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR180355  Astragalus douglasii Scott D. White, Pam Devries 2006-5-9 11406 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  UCR235683  Astragalus douglasii Mark Hoddle 2007-4-26 CA-MSH- 610 Los Angeles Western Mojave Desert, Antelope Valley, California Poppy Preserve, 150th St. West, north of Lancaster Rd. 856 Comment
  SEINET10877851  Astragalus miguelensis Meryle B. Dunkle 1939-4-5 Dunkle 7267 Los Angeles Channel Islands Biological Survey. China Point, San Clemente Island. Comment
  SBBG12723  Astragalus nevinii E. R. Blakley 1968-6-10 5233 Los Angeles cyn mouth SE of Eel Pt, half way toward Seal Cove 7 Comment
  RSA0034694  Astragalus preussii var. laxiflorus David Charlton 1992-5-13 s.n. Los Angeles 100 yards north of the South Base well fields water tower, Edwards AFB. 701 Comment
  CAS-BOT-BC193026  Astragalus purshii var. tinctus Ernest C. Twisselmann 1962-4-18 6971 Los Angeles Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  UCR101212  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-6-17 9956 Los Angeles Liebre Mtns, Summit of Burnt Peak, generally to the NE of the FAA site. 1762 Comment
  RSA415733  Astragalus trichopodus var. lonchus Gale Sphon 1955-3-30 s.n Los Angeles Zuma Beach. (a.k.a. Westward Beach) Comment
  RSA131033  Astragalus trichopodus var. phoxus Percy C. Everett 1959-6-2 23844 Los Angeles 1 miles NE of entrance of Stokes Canyon, Santa Monica Mountains. 183 Comment
  RSA15344  Astragalus trichopodus var. phoxus C. B. Wolf 1926-04 s.n. Los Angeles Big Tujunga Wash, east of San Fernando Comment
  RSA692173  Astragalus trichopodus var. trichopodus Scott D. White 2003-5-20 9317 Los Angeles Northern Chino hills: Diamond Bar. Hills and canyons within gated community called The Country, east of Diamond Bar Blvd. Steep unnamed canyons draining southward into Tonner Canyon. 244 Comment
  UC465989  Atriplex R. L. Pendleton 1909-7-2 1381 Los Angeles near cottage Santa Catalina Id. (Avalon, Santa Catalina Id); Santa Catalina Id, Avalon 6 Comment
  SEINET5585516  Atriplex amnicola R. E. Riefner Jr. 2013-1 13 -9 Los Angeles Los Angeles, Dockweiler State Beach, vicinity Vista Del Mar Blvd. at Imperial Hwy. 14 Comment
  RSA452708  Atriplex californica F. R. Fosberg 1931-4-29 S- 4727 Los Angeles Santa Catalina Island. Between Cottonwood and Middle Ranch Canyon Comment
  RSA452435  Atriplex canescens Anstruther Davidson 1892-07 s.n. Los Angeles Lancaster. Comment
  OBI70694  Atriplex canescens subsp. canescens Louis C. Wheeler 1956-9-15 7240 Los Angeles San Gabriel Mts. Caldwell Lake Comment
  RSA226016  Atriplex canescens subsp. canescens R. F. Thorne, C. W. Tilforth 1971-6-29 40682 Los Angeles San Gabriel Mts., Angeles National Forest: N slope San Gabriel Mts., ca. 1.5 miles E of junction of Aliso Creek wash and Santa Clara River in sandy wash of Aliso Canyon. 854 Comment
  CAS-BOT-BC168271  Atriplex canescens var. canescens Roxana S. Ferris 1918-6-12 932 Los Angeles In vacant lot Lancaster Comment
  LA204699  Atriplex canescens var. canescens Joseph Andorfer Ewan; 1930-10-22 3424 Los Angeles Bouquet Canyon Road out of Saugus 365 Comment
  UCR94677  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13986 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  UCR94688  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13943 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  RSA575260  Atriplex leucophylla H. C. Stutz 1982-7-8 9026 Los Angeles Malibu Beach. Comment
  UC1191362  Atriplex leucophylla Malcolm A. Nobs, S. Galen Smith 1948-9-8 645 Los Angeles mouth of creek just w Malibu; w of Malibu Comment
  CAS-BOT-BC176355  Atriplex parryi Carl B. Wolf 1932-9-15 4084 Los Angeles Mojave Desert. Antelope Valley. 2 blocks W. of center of town of Lancaster 718 Comment
  RSA6640  Atriplex parryi C. B. Wolf 1932-9-15 1548 Los Angeles About 2 blocks west of center of town of Lancaster. Antelope Valley, Mojave Desert. 718 Comment
  UCR274357  Atriplex prostrata Steven A. Junak 1999-7-16 SCa- 1057 Los Angeles California Islands, Santa Catalina Island. Just inland from mouth of Cottonwood Canyon, north side of creekbed 6 Comment
  RSA303592  Atriplex semibaccata J. R. Shevock 1972-9-16 2275 Los Angeles Point Dume. 6 Comment
  UCR178782  Atriplex semibaccata R. G. Swinney 1989-9-11 s.n. Los Angeles San Gabriel Mtns. Foothills, Glendora, east end of South Hills, at end of High Country Drive 305 Comment
  RSA594304  Atriplex serenana var. serenana Steve Boyd, Lauren Raz 1996-10-14 9036 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  LA31608  Atriplex triangularis Peter H. Raven; Henry J. Thompson 1959-9-6 14370 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 3 Comment
  RSA385388  Avena barbata M. B. Dunkle 1938-3-31 1792 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  RSA595954  Avena barbata J. Travis Columbus, C. R. Annable, C. dos Santos, J. Mark Porter, M. E. Siqueiros D 1996-6-5 2689 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 rd. mi. W from jct. with Sierra Hwy., In vernal pool basin (not evident from rd.) on shelf just N of and above Plum Canyon bottom and rd turnout with an adjacent Populus sp., in NE of 3 small depressions within basin 610 Comment
  SEINET3919639  Avena barbata L. M. Prince 2002-3-25 02 -277 Los Angeles Claremont. Vacant lot behind gas station on Claremont Ave. just north of Foothill Blvd.; 0 400 Comment
  UCR258834  Avena barbata R. G. Swinney 2010-3-22 12021 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA715124  Avena fatua Daisie Huang 2006-3-9 60309 -1 Los Angeles Vacant lot on Huntington Dr. east of Highland Ave., Duarte, CA. Sunny flat. 165 Comment
  UC56663  Azolla filiculoides Ernest Braunton July 1902 572 Los Angeles L. A. River Comment
  CATA3135  Baccharis glutinosa Sarah Ratay 2010-7-26 129 Los Angeles Santa Catalina Island: Empire, off road near picnic tree 107 Comment
  UCR70787  Baccharis plummerae Anstruther Davidson 1891-9-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Comment
  SEINET11861781  Baccharis plummerae S. B. Parish, Parish, W. F. 1881-1 1110 Los Angeles Santa Monica Comment
  JEPS19506  Baccharis plummerae subsp. plummerae Peter H. Raven 1957-9-21 11362 Los Angeles 2.5 mi above US Hwy 101A Topanga Canyon (Santa Monica Mountains); Santa Monica Mountains Comment
  CAS-BOT-BC106754  Baccharis salicifolia H. E. McMinn 1924-7-25 1327 C Los Angeles Catalina Island Comment
  SEINET13203150 Image available Baccharis salicifolia R. G. Swinney 2010-1 11829 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  UCR197189  Baccharis salicifolia Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 669 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UCSB27664  Baccharis salicifolia Lavinger, S. 1975-10-27 Los Angeles On Bear Divide 1 mile west from its junction with Little Tujunga Road; Little Tujunga Canyon 609 Comment
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Nov 12 2014
  UCD129482  Baccharis salicifolia subsp. salicifolia Peter H. Raven 1959-2-15 13921 Los Angeles Santa Monica Mountains. Beverly Glen Boulevard 2.6 miles north of Sunset Boulevard. 213 Comment
  UC1119010  Balsamorhiza deltoidea A. D. Gifford 1935-4-12 571 Los Angeles 4 mi wsw of Manzana; Tejon Quadrangle 1005 Comment
  CAS-BOT-BC75747  Berberis nevinii Carl B. Wolf 1927-7-27 682 Los Angeles About one-half mile south of San Fernando. Comment
  OBI5971  Berberis nevinii Carl B. Wolf 1927-1 Los Angeles Comment
  OBI6014  Berberis nevinii Carl B. Wolf 1927-1 Los Angeles Comment
  RSA221898  Bergerocactus emoryi Arthur C. Gibson, R. F. Thorpe, Taxonomy class 1971-5-5 1970 Los Angeles Santa Catalina Island. Growing on the Pacific side, Indian Head Point. Comment
  UC56502  Berula erecta Ernest Braunton Aug 1902 647 Los Angeles Oak Knoll Comment
  CDA10521  Bidens laevis J. B. Cook, C. Siebe 1960-7-1 Los Angeles West side of Rosemead, just opposite weir on Legg Lake. 0 Comment
  POM350852  Bidens pilosa F. R. Fosberg 1931-3-1 4216 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mts. 60 Comment
  UC134531  Bidens pilosa Jos. W. Wolfskill 1899-11-21 Los Angeles Los Angeles Comment
  UCR136841  Bidens pilosa John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  JEPS32544  Bidens pilosa Elizabeth Day Palmer 1908-7-29 Los Angeles Comment
  CAS-BOT-BC482053  Bloomeria crocea var. crocea Le Roy Abrams 1901-4-10 1453 -G Los Angeles Inglewood Comment
  RSA601053  Bloomeria crocea var. montana Steve Boyd, Lauren Raz 1997-6-18 9973 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  POM346633  Boechera californica Barry Burnell 1969-5-22 143 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  CAS-BOT-BC14585  Boechera pulchra Alice Eastwood; John Thomas Howell 1937-4-26 3968 Los Angeles Near Palmdale. Comment
  RSA0129236  Boechera pulchra Orlando Mistretta, Christine Mistretta 2008-4-4 2300 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Tuckerway Ranch Road (Segment 5, structure 56 per TRTP survey; 2008) 1284 Comment
  POM1036A  Bothriochloa barbinodis P. A. Munz 1918-4-11 2055 Los Angeles Lone Hill near Glendora. Comment
  SD252231  Bothriochloa barbinodis Steven A. Junak 1999-7-15 Sca 1023 Los Angeles Santa Catalina Island. Immediately inland from Salta Verde Beach, on slump or landslide area. 6 Comment
  RSA0042794  Brassica arvensis L. Haines 1949-7-22 s.n. Los Angeles Canoga Park. Comment
  SEINET10627065  Brassica juncea Heidi H. Schmidt 1999-10-14 Schmidt 3816 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  RSA0036838  Brassica nigra Matt Bogdanoff 1981-5-24 11 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  SBBG31147  Brassica nigra R. F. Thorne 1966-4-28 36194 Los Angeles near high school, Avalon 30 Comment
  RSA162716  Brassica rapa J. D. Olmsted 1958-5-8 127 Los Angeles Along San Antonio Creek in Balnchard Park on Pomona College Campus, Claremont near eastern boundary of Los Angeles County 366 Comment
  RSA482918  Brassica rapa F. R. Fosberg 1930-6-26 S- 3077 Los Angeles Lower Ballona Creek 5 Comment
  UCR41733  Brassica tournefortii G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  CAS-BOT-BC100423  Brickellia californica Wesley O. Griesel 1961-9-23 s.n. Los Angeles [Switzers] Switzer Camp, San [Gavriel] Gabriel Mts. 762 Comment
  CAS-BOT-BC100431  Brickellia californica B. 1903-8-2 3672 Los Angeles San Antonio [Canon] Canyon Comment
  POM351113  Brickellia californica Anstruther Davidson 1889-09 2006 Los Angeles Los Angeles Comment
  RSA670163  Brickellia californica Joseph M. Keefe 2001-3-19 31143 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  SBBG66138  Brickellia californica R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam 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
  RSA535546  Brickellia nevinii Timothy S. Ross, Annette Ross 1991-9-7 5947 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 579 Comment
  UCR231165  Brickellia nevinii Dan S. Cooper 2011-9-27 911- 111 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, slope south of Forest Lawn Dr. just west of Travel Town 178 Comment
  CAS-BOT-BC106139  Brickellia nevinii Peter H. Raven; Henry J. Thompson 1959-10-18 14684 Los Angeles Santa Monica Mountains - Yerba Buena road 1.0 miles north of Mulholland Highway 518 Comment
  UCR193708  Bromus R. G. Swinney, Dave Larson 1999-6-25 7407 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  SD52892  Bromus arizonicus Peter H. Raven 1962-5-8 17623 Los Angeles San Clemente Island, near shore west side of island opposite Wilson Cove. 29 Comment
  POM244886  Bromus carinatus F. R. Fosberg 1931-4-3 S- 4484 Los Angeles Pebble [Pebbly] Beach. Santa Catalina Island. Comment
  SD90265  Bromus carinatus Robert F. Thorne 1973-4-11 42840 Los Angeles San Clemente Island; bottom of Norton Canyon 274 Comment
  CAS-BOT-BC149191  Bromus carinatus var. carinatus Henry J. Thompson 1959-4-19 1950 Los Angeles Santa Monica Mountains. Mulholland Highway 1 mile west of Las Virgenes Road Malibu Creek Drainage. 274 Comment
  RSA585669  Bromus carinatus var. carinatus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3345 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  UC1871123  Bromus carinatus var. carinatus T. S. Ross, Walter Appleby 1993-5-19 7173 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando quad: R15W T3N, SW/4 NE/4 SE/4 sect. 9; elev. 3110 ft. 948 Comment
  UC188825  Bromus carinatus var. carinatus Geo. B. Grant 1668 Los Angeles Oak Knoll; Southern California, Oak Knoll Comment
  UCR273428  Bromus carinatus var. carinatus R. G. Swinney 2011-6-22 15250 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  POM364005  Bromus catharticus S. F. Patton 1914-4-5 s.n. Los Angeles Los Angeles. Comment
  POM363397  Bromus diandrus Robert D. Clarke 1979-4-12 s.n. Los Angeles Arcadia. LASCA [Los Angeles County and State Arbretum] Comment
  RSA0057930  Bromus diandrus Richard G. Swinney 2010-3-18 11989 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  SBBG56612  Bromus diandrus R. Hoffmann 1929-4-26 Los Angeles near Camulos Comment
  UCR192807  Bromus diandrus T. B. Salvato 2008-4-25 3348 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, Hwy 138, west of Cow Spring Canyon and 0.6 mi east of 300th Street West 950 Comment
  CAS-BOT-BC155587  Bromus grandis Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. Comment
  RSA0097617  Bromus hordeaceus R. G. Swinney 2011-4-28 14530 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  RSA483707  Bromus hordeaceus Richard Noyes, L. Arnseth 1988-4-30 525 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  UCR150631  Bromus 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
  SD31185  Bromus madritensis subsp. rubens Edith A. Purer 1931-3-12 957 Los Angeles Palos Verdes Hills, in field Comment
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Jul 11 2010
  SD69357  Bromus madritensis subsp. rubens Robert P. Thorne, P. Everett 1965-5-10 34454 Los Angeles Santa Catalina Island; Echo Lake; weedy area around Lake 410 Comment
  IRVC28854  Bromus madritensis subsp. rubens Mark A. Elvin, Cathleen Weigand 2003-4-7 2440 Los Angeles Newhall Ranch Commerce Center, S of Castaic Creek, N of SR 126 Santa Clarita Valley 297 Comment
  LA13825  Bromus madritensis subsp. rubens Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  POM363947  Bromus rubens Bette Wright 1942-5-2 s.n. Los Angeles Glendale. Comment
  SEINET3923285  Bromus rubens Timothy S. Ross, Steve Boyd 1994-5-4 7634 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit. Lale Hughes 7.5' USGS Quadrangle.; 0 1055 Comment
  RSA714525  Bromus sterilis A. C. Sanders 2005-5-11 30157 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Boquet Cyns. 610 Comment
  CAS-BOT-BC161404  Bromus tectorum L. R. Abrams 1927-4-30 11744 Los Angeles Antelope Valley between Neenach and Fairmont. Comment
  CAS-BOT-BC185548  Bromus tectorum Peter H. Raven; Henry J. Thompson 1959-5-5 14109 Los Angeles Santa Monica Mountains. Mulholland Highway 1 mile west of Las Virgenes Road. Malibu Creek drainage. 274 Comment
  RSA0036299  Bromus tectorum LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6977 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  SBBG22686  Bromus tectorum M. S. Walters 1950-1 Los Angeles Ridge Route (US Hwy 99) Comment
  LA201646  Buddleja saligna Arthur C. Gibson; 2003-12-27 5007 Los Angeles SANTA MONICA MOUNTAINS, Schleuren Road at mile marker 0.24, near junction of Stunt and Saddle Peak roads. Comment
  RSA764417  Caesalpinia gilliesii Justin M. Wood 2009-8-18 1250 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UC1871242  Calandrinia ciliata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5037 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
  CAS-BOT-BC438410  Calandrinia ciliata Huron H. Smith 1912-3-27 4939 Los Angeles Azusa 304 Comment
  SBBG12319  Calandrinia menziesii P. H. Raven 1962-4-10 17198 Los Angeles summit of Thirst 579 Comment
  SBBG121995  California macrophylla A. Parikh, N. Gale 2005-4-11 762 Los Angeles Liberty Cyn, 0.6 km N of intersection of Hwy 101 and Liberty Cyn Rd, Agoura Hills 267 Comment
  SD234417  California macrophylla A. C. Sanders, Mark A. Elvin, et al 2003-5-1 26263 Los Angeles Westerm San Gabriel Mtns.: NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons (Warm Springs Mtn 7.5'Q) 441 Comment
  RSA352844  Calocedrus decurrens V. V. Giles 1936-7-5 230 Los Angeles Crystal Lake Comment
  UCR194070  Calochortus albus R. G. Swinney, Dave Larson 1999-5-29 7216 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with East Fork 549 Comment
  SEINET3884908  Calochortus catalinae Barry A. Prigge 1986-3-19 6931 Los Angeles Santa Monica Mountains: 0.3 mile west of Mulholland Hwy on Pacific Coast Hwy.; 0 30 Comment
  UC1349052  Calochortus catalinae Robert F. Thorne and P. Everett 1965-5-10 34464 Los Angeles n slope Black Jack Mt.; Santa Catalina Island 457 Comment
  UC1537206  Calochortus clavatus Gordon H. True Jr. 1935-5-16 291 Los Angeles Bouquet Canyon Comment
  UCR147551  Calochortus plummerae Naomi Fraga, Et al. 2004-6-3 1236 Los Angeles Transverse Ranges; San Gabriel Mountains, On fuel break above Evey Canyon. 793 Comment
  UC1293693  Calochortus splendens P. C. Everett and E. K. Balls 1959-6-2 23849 Los Angeles 1.5 mi ne from jct with rd to Lake Malibu and Stokes Canyon; Santa Monica Mts. Comment
  UC1929967  Calochortus splendens V. Soza, LeRoy Gross 2001-5-22 1236 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat. 686 Comment
  POM181827  Calochortus venustus C. L. Hitchcock 1928-5-27 s.n. Los Angeles Road to Mt. Pinos, 1 mile W of junction with Ridge Route. Comment
  RSA600026  Calochortus venustus Steve Boyd, Lauren Raz 1997-5-6 9711 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  UCR272520  Calyptridium monandrum R. G. Swinney 2011-7-7 15428 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR241080  Calystegia fulcrata Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  POM50662  Calystegia longipes A. D. E. Elmer 1902-07 3603 Los Angeles Acton, Mt. Gleason. San Gabriel Mountains Comment
  UCR259902  Calystegia macrostegia R. G. Swinney 2010-4-23 12335 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  CAS-BOT-BC224320  Calystegia macrostegia subsp. amplissima Reid Moran 1941-2-19 593 Los Angeles Middle Ranch, San Clemente Island Comment
  LA35973  Calystegia macrostegia subsp. cyclostegia Peter H. Raven; 1959-5-5 14057 Los Angeles Santa Monica Mountains, Mulholland Drive near Beverly Glen Blvd 137 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
  RSA0011530  Calystegia occidentalis subsp. fulcrata Orlando Mistretta, Christine Mistretta 2011-6-23 5730 Los Angeles San Gabriel Mountains: Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA545314  Calystegia purpurata Tim Ross, Mathew Bell, A. R. Ross 1992-3-22 6050 Los Angeles W side of Yerba Buena Road ca 360m NNW of intersection with Mulholland Highway. 488 Comment
  RSA616304  Camissonia Scott D. White, Pam DeVries 1998-5-15 6488 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Road., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 579 Comment
  RSA0055772  Camissonia bistorta R. G. Swinney 2010-4-28 12390 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  POM31972  Camissonia bistorta C. F. Baker 1909-4-4 5064 Los Angeles Claremont. Comment
  RSA226940  Camissonia bistorta Robert F. Thorne, C. W. Tilforth 1971-6-17 39965 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA465661  Camissonia bistorta M. Bisbee 1917-5-12 s.n. Los Angeles Hills north side of Eagle Rock Valley Comment
  UCR179257  Camissonia californica R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon 366 Comment
  UCR88511  Camissonia californica Scott D. White, Chet McGaugh 1995-5-9 3026 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  UCR259046  Camissonia campestris R. G. Swinney 2010-5-12 12756 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCR94706  Camissonia campestris A. C. Sanders, E. J. Lott 1993-5-6 13983 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  RSA506208  Camissonia campestris subsp. campestris Louis C. Wheeler 1967-5-12 9452 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA454046  Camissonia cheiranthifolia subsp. suffruticosa A. Menke 1955-3-26 s.n. Los Angeles Point Dume, California. Comment
  RSA746630  Camissonia confusa R. G. Swinney 2008-4-10 8642 Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  RSA599513  Camissonia graciliflora Steve Boyd, Lauren Raz 1997-3-26 9338 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCR183577  Camissonia graciliflora A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33528 Los Angeles Western Transverse Range; Liebre Mtns. Region, south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch 976 Comment
  RSA680068  Camissonia guadalupensis subsp. clementina Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-8 323 Los Angeles San Clemente Island. Edge of Dune ridge in ocean in scrub area. 30 Comment
  UCR114178  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22085 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  HSC31660  Camissonia ignota Thomas E. Higley 1974-4-20 24 Los Angeles 20 mi. NE of Azusa along the E Fork of the San Gabriel River Trail 457 Comment
  RSA182327  Camissonia micrantha J. Olmstead 1962-4-30 3409 Los Angeles 1960 Johnston Peak fire, from west fork of San Dimas Creek to Wolfskill falls 457 Comment
  RSA670300  Camissonia micrantha Joseph M. Keefe 2001-3-19 31178 Los Angeles San Rafael Mountains. 2 meters north of Glenoaks Boulevard, 60 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 476 Comment
  RSA682504  Camissonia micrantha Scott D. White, Michael Honer 2003-5-7 9202 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  RSA454103  Camissonia strigulosa Bonnie C. Templeton, I. W. Clokey 1930-4-8 1017 Los Angeles San Fernando Valley. Grassy flat. 400 Comment
  UCD103607  Camissoniopsis Gerald Dickinson 1962-3-29 4 Los Angeles 3 miles W of Topanga Canyon Road. Mulholland Dr. Santa Monica Mountains. 356 Comment
  LA82395  Camissoniopsis bistorta O. H. Kappler; 1941-4-14 206 Los Angeles Santa Monica Mountains, Old Topanga Canyon 761 Comment
  UC107678  Camissoniopsis bistorta T. S. Brandegee May 1889 Los Angeles San Pedro Comment
  UC873863  Camissoniopsis bistorta I. W. Clokey and B. C. Templeton 1930-4-8 4693 Los Angeles San Francisquito Canyon 700 Comment
  LA91419  Camissoniopsis intermedia Bruce Douglas Clayton; Greg Shaw 1972-3-20 20 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak. 594 Comment
  UC440394  Camissoniopsis intermedia Carl Epling and H. Anderson 1930-5-30 103 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  CAS-BOT-BC160535  Camissoniopsis lewisii Le Roy Abrams 1901-4-1 1192 Los Angeles Ballona Harbor Comment
  SBBG61357  Camissoniopsis pallida R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA66536  Capsella bursa-pastoris F. W. Peirson 1920-4-20 2106 Los Angeles 1085 New York Drive, Altadena. Comment
  SBBG128315  Capsella bursa-pastoris M. L. Hoefs 1991-4-8 1083 Los Angeles side cyn (Rattlesnake Cyn) of upper Avalon Cyn 146 Comment
  CAS-BOT-BC37082  Capsella bursa-pastoris Steven A. Junak 1997-2-24 SCI- 719 Los Angeles San Clemente Island. Along San Clemente Island Ridge Road. 569 Comment
  LA200316  Capsella bursa-pastoris A. M. Johnson; 1935-2-22 4549 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UCR229502  Cardamine Dan S. Cooper 2011-3-8 311- 39 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCSB12457  Cardamine californica Haines, Bruce 1962-3-10 Los Angeles 1 mile west of junction of California State Highway 27 on old Topanga Road 243 Comment
  UCR220372  Cardamine oligosperma R. G. Swinney 2009-4-16 10362 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  UCR242027  Cardamine oligosperma Dan S. Cooper 2012-2-13 212- 8 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon along Griffith Park Dr. 169 Comment
  RSA531019  Cardaria pubescens Anstruther Davidson 1917-04 3177 Los Angeles Ave. 23 and Cienega, Los Angeles. Comment
  UCR209606  Carex R. G. Swinney 2008-7-2 9144 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
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Sep 12 2018
  CAS-BOT-BC17680  Carex alma Timothy S. Ross; J. Mark Porter 1995-5-4 8486 Los Angeles Liebre Mountains. Texas Canyon: ca. 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  RSA600480  Carex alma Steve Boyd, Lauren Raz 1997-4-30 9611 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  SEINET7549357 Image available Carex alma Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8845 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon. 549 Comment
  UC1584056  Carex alma Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4050 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, w drainage that meets Tie Canyon); San Gabriel Mts., Angeles N.F., Tujunga Ranger District 1463 Comment
  UCR168038  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR273809  Carex alma R. G. Swinney 2011-6-15 15198 A Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA587980  Carex alma Orlando Mistretta, Timothy S. Ross 1994-6-1 1292 Los Angeles San Gabriel Mountains, Santiago Canyon. Pacifico Mountain, near top of Santiago Canyon. 1929 Comment
  SEINET7549355 Image available Carex alma Tim Ross, Steve Boyd 1990-5-29 2708 Los Angeles San Gabriel Mtns: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging Station. Valyermo 7.5' USGS quadrangle. 1236 Comment
  UC56691  Carex barbarae Ernest Braunton 1903-1-20 799 Los Angeles Oak Knoll Comment
  HSC24483  Carex douglasii R. F. Thorne, M. Z. Thorne 1969-7-9 38548 Los Angeles San Gabriel Mtns, Angeles National Forest: summit of Table Mtn. above Big Pines Ranger Station 2134 Comment
  UC1257220  Carex fracta Robert F. Thorne, C. W. Tilforth, and John Dourley 1969-7-29 38857 Los Angeles 1.7 mi S of Dawson Saddle (Angeles Crest Hwy at headwater of S Fork, Big Rock Creek); San Gabriel Mountains, Angeles National Forest 2316 Comment
  RSA656940  Carex hassei Valerie Soza, Laura Moore 2000-6-14 1011 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  CAS-BOT-BC118427  Carex praegracilis George B. Grant 1910-2-1 3425 Los Angeles Oak Knoll Pasadena Comment
  RSA203233  Carex praegracilis R. G. Swinney 2005-7-21 8314 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UC1922861  Carex praegracilis Scott D. White, A. Warniment 2006-7-7 11613 Los Angeles SE TEHACHAPI MTNS.: Gorman area, Gorman Creek, NE of the I-5 Freeway. Lebec 7.5' Quad. Comment
  UC834501  Carex praegracilis W. R. Dudley and F. H. Lamb 1896-6-12 4453 Los Angeles Castac Lake Tejon Pass Comment
  UC72471  Carex senta W. H. Brewer 1861-2-19 218 Los Angeles near San Fernando Comment
  RSA0116662  Carex subfusca R. G. Swinney 2008-10-16 9596 Los Angeles San Gabriel Mtns.; Jackson Lake, south side of Big Pines Highway. 1872 Comment
  RSA529916  Carex subfusca Timothy S. Ross 1991-8-16 5837 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  CAS-BOT-BC230122  Carpobrotus edulis Eric Walther 1932-5-30 s.n. Los Angeles California Botanic Garden, Los Angeles Comment
  JEPS57316  Castilleja affinis subsp. affinis L. R. Heckard 1968-5-12 1863 Los Angeles at the mouth of Big Sycamore Canyon Big Sycamore Canyon Comment
  RSA660172  Castilleja affinis subsp. affinis Orlando Mistretta 1992-5-25 423 Los Angeles Fenner Canyon Conservation Camp. 1641 Comment
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Oct 4 2010
  UCR138999  Castilleja applegatei subsp. martini L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mtns., NW slope of Smith Mtn, along the Bear Creek Trail 1250 Comment
  POM4458  Castilleja applegatei subsp. martinii I. M. Johnston 1917-5-6 1915 Los Angeles Evey Canyon, north of Claremont. 915 Comment
  RSA638864  Castilleja applegatei subsp. martinii Valerie L. Soza, Laura Moore 1999-6-30 594 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  RSA650909  Castilleja applegatei subsp. martinii C. A. Schideler 1981-4-26 32 Los Angeles Angeles Nat. Forest, San Gabriel Mtns., N. end of Hwy. 39 - San Gabriel Canyon Rd., end of East [Fork] at fire station. Comment
  RSA81469  Castilleja applegatei subsp. martinii F. W. Peirson 1918-5-19 209 Los Angeles Millard's Canyon, south base of San Gabriel Mts. Comment
  SFV10452  Castilleja applegatei subsp. martinii M. L. Vincent 1964-6-24 577 Los Angeles San Gabriel Mountains Wrightwood Road, 2 miles west of Wrightwood, near the campground west of ranger station. 2070 Comment
  POM308416  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3104 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  SBBG66951  Castilleja applegatei subsp. pinetorum R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  IRVC28121  Castilleja exserta A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26278 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  UCR150962  Castilleja exserta Sandra L. Leatherman, Brian Daniels 1998-11-10 58 Los Angeles Bouquet Canyon: directly west of the intersection of Bouquet Canyon Rd. and Vasquez Canyon Rd 488 Comment
  SDSU10851  Castilleja exserta A. H. Gallup 1948-3-27 122 Los Angeles Claremont, vacant lot north of town. 381 Comment
  UCR113675  Castilleja foliolosa L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns., Mill Canyon off Soledad Canyon 732 Comment
  RSA578823  Castilleja foliolosa Tim S. Ross, Darin Banks 1994-4-13 7513 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  RSA611844  Castilleja gleasoni Steve D. Boyd, Valerie Soza 1998-4-28 10168 Los Angeles Liebre Mountains region: Western end of Liebre Mountain, at junction of Old Ridge Route (8S04) and Forest Service Road 7N23 on divide between Salt Creek and Liebre Gulch. 1201 Comment
  RSA729726  Castilleja miniata subsp. miniata R. G. Swinney 1999-6-18 7326 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA0091142  Castilleja minor subsp. spiralis R. G. Swinney 2011-5-24 14809 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  RSA761710  Castilleja minor var. spiralis R. G. Swinney 2008-10-10 9546 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCR185393  Castilleja plagiotoma R. G. Swinney 1998-5-16 6055 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  RSA515219  Caulanthus cooperi Steve Boyd, Orlando Mistretta 1986-3-31 1533 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  SBBG72126  Caulanthus heterophyllus M. N. Ackley -Feb-1928 147 Los Angeles Eagle Rock (cf. var. pseudosimulans Buck, nom. illegit.) Comment
  UCR142887  Caulanthus lasiophyllus Christopher Davidson 1973-3-26 1738 Los Angeles Western Transverse Range, Escondido Canyon Rd., c. 1 mi NE of jct. with Agua Dulce Rd. 762 Comment
  UCR184217  Caulanthus lasiophyllus A. C. Sanders 2007-4-19 33463 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA718115  Caulanthus major R. G. Swinney 1997-6-13 5570 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  RSA0028431  Ceanothus Jerry Davids 1949-1-2 s.n. Los Angeles 455 22nd St. Santa Monica. 107 Comment
  CAS-BOT-BC47902  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Santa Catalina Island - Ridge between Johnson's Valley and Howland's Valley 121 Comment
  CATA464  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Santa Catalina Island: Ridge between Johnson's Valley and Howland's Valley 121 Comment
  RSA233626  Ceanothus arboreus Robert F. Thorne 1970-3-5 39359 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
  SD215636  Ceanothus cordulatus Timothy S. Ross, Steve Boyd & Peter W. Fritsch 1990-6-11 3360 Los Angeles Big Rock Creek Canyon: ca 120 meters north-northwest of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin); Valyermo 7.5' USGS topo sheet 1730 Comment
  RSA398860  Ceanothus crassifolius Fay A. MacFadden 1931-3-18 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA398875  Ceanothus crassifolius Albert J. Perkins 1914-3-1 s.n. Los Angeles Santa Anita Canyon. Comment
  RSA717418  Ceanothus crassifolius Gary Kovnat, LeRoy Gross 2003-1-19 6 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail. Comment
  RSA747045  Ceanothus crassifolius R. G. Swinney 2008-4-11 8664 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA755788  Ceanothus crassifolius Dylan O. Burge 2007-3-23 DOB 806 c Los Angeles San Gabriel Mountains, Angeles National Forest, between Horse Canyon and Oak Canyon, above the San Gabriel River, 5.9 road miles from Highway 39 via East Fork Road and Glendora Mountain Road., 15.8 kilometers 49 degrees true east-northeast of Azusa. 630 Comment
  UC1595241  Ceanothus crassifolius Tim Ross and Peter Fritsch 1990-6-20 3591 Los Angeles near confluence of E and W Forks of San Gabriel River (mouth of Burro Canyon); San Gabriel Mts. Comment
  JEPS42305  Ceanothus greggii var. vestitus F. W. Peirson 1919-6-14 415 a Los Angeles san Gabriel Mts. 1371 Comment
  JEPS97658  Ceanothus greggii var. vestitus Annetta M. Carter 1951-5-21 3059 Los Angeles Fork of Little Rock Creek 1.3 mi. S of Little Cedars Campground. San Gabriel Mtns. Comment
  POM2769  Ceanothus integerrimus D. L. Crawford 1915-6-30 s.n. Los Angeles Bear Flats, mountains above Claremont 2134 Comment
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Jan 20 2011
  RSA95335  Ceanothus integerrimus F. W. Peirson 111 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  RSA95404  Ceanothus integerrimus F. W. Peirson 1920-5-16 2138 Los Angeles Delta Canyon branch of Tujunga Canyon, west end of San Gabriel Mountains 518 Comment
  SD84808  Ceanothus megacarpus Reid Moran 1941-3-5 679 Los Angeles Side and bottom of Arroyo, Salta Verde, Santa Catalina Island 349 Comment
  UCR124377  Ceanothus megacarpus I. W. Clokey, B. C. Templeton 1929-1 4507 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  CAS-BOT-BC51438  Ceanothus megacarpus var. megacarpus Peter H. Raven; Robert F. Thorne 1964-5-7 19028 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  LA32011  Ceanothus megacarpus var. megacarpus Henry J. Thompson; 1959-2-23 1853 Los Angeles SANTA MONICA MOUNTAINS, Castro Peak, Latigo Canyon Rd, 1.5 mi SE of Mulholland Hwy, W slope of Castro Peak. 609 Comment
  CAS-BOT-BC50453  Ceanothus oliganthus A. Davidson M. D. 1891-1-1 s.n. Los Angeles Near Los Angeles Comment
  UCSB8402  Ceanothus oliganthus Haller, John 1950-3-26 Los Angeles San Gabriel Mtns., west ridge of Little Dalton Canyon 762 Comment
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Jan 20 2015
  RSA214312  Ceanothus spinosus Louis C. Wheeler 1932-3-5 456 Los Angeles Mandeville Canyon. 122 Comment
  RSA398944  Ceanothus spinosus Ora M. Clark 1928-12-2 1318 Los Angeles N.E. Hollywood Comment
  CAS-BOT-BC63296  Ceanothus tomentosus var. olivaceus Cecil Hart 1927-5-1 s.n. Los Angeles San Dimas Canyon. Comment
  RSA779871  Centaurea melitensis R. G. Swinney 2009-4-7 10299 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  SD69619  Centaurea melitensis Robert F. Thorne, P. Everett 1965-5-10 34435 Los Angeles Santa Catalina Island, weedy margins of small stream 274 Comment
  UCR157905  Centaurea melitensis Robert J. Steers 2005-5-8 10 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  RSA0013637  Centaurium exaltatum Orlando Mistretta, Youssef Atallah 2011-8-12 6013 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. 1083 Comment
  JEPS46928  Centaurium venustum Chas. J. Lovell 1941-7-1 Los Angeles Altadena San Gabriel Mts. Comment
  POM158303  Centaurium venustum M. B. Dunkle 1928-4-29 1905 Los Angeles Little Harbor. 6 Comment
  SBBG125065  Centromadia parryi subsp. australis A. Parikh, N. Gale 2010-8-4 3383 Los Angeles Whittier Narrows, Shooting Range, 0.4 km S of Hwy 60 (Pomona Fwy), 0.5 km W of Hwy 19 (Rosemead Blvd), under power lines 64 Comment
  RSA642712  Cerastium glomeratum Orlando Mistretta 1992-7-13 692 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA723829  Ceratonia siliqua Thomas Poon, Sarah Primrose, Amy Tran, Veronica McClellan, Lyanne Dominguez 2007-9-15 s.n. Los Angeles Claremont. Scripps College campus at the southwest corner of Jaqua Quadrangle. Comment
  CHSC26362  Cercocarpus betuloides var. betuloides James Henrickson 1972-3-19 7183 Los Angeles Ca 7 air miles north of Sierra Madre along Hwy 2 in San Gabriel Mts. 1402 Comment
  UC1745958  Cercocarpus betuloides var. betuloides Annetta M. Carter, Arthur Carter 1935-9-13 988 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  UC859428  Cercocarpus betuloides var. betuloides I. W. Clokey, B. C. Templeton 1930-4-2 4606 Los Angeles Mulholland Drive 600 Comment
  SD69031  Cercocarpus betuloides var. betuloides Robert F. Thorne 1966-9-16 36721 Los Angeles Santa Catalina Island. Near terminus of Renton Mine Road, upper end Pebbly Beach Canyon. 274 Comment
  RSA177860  Cercocarpus betuloides var. blancheae Robert F. Thorne 1965-5-12 34638 Los Angeles Bulrush Canyon, Santa Catalina Island 244 Comment
  SEINET3162161  Cestrum elegans G. B. Grant 1906-3-15 159 Los Angeles Pasadena Comment
  CHSC26376  Cestrum parqui Marilyn Chase 1967-7-7 176 Los Angeles Pasadena, Calif. Inst. of Tech., Earhart Plant Research Lab. Comment
  CAS-BOT-BC279512  Chaenactis artemisiifolia Le Roy Abrams 1899-3-30 217 Los Angeles Sepulveda Canon [Canyon], Santa Monica Mts. Comment
  UCR104153  Chaenactis artemisiifolia Scott D. White 1997-5-21 5215 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  RSA517857  Chaenactis fremontii Steve Boyd 1986-3-30 1509 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  UCD168220  Chaenactis glabriuscula J. W. Barry 1980-4-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  POM351756  Chaenactis glabriuscula Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  UCSB69243  Chaenactis glabriuscula Gross, LeRoy 2005-4-28 Los Angeles Transverse Ranges; San Gabriel Mtns. region; Ridgeline to Mt. Emma and cyn. S of this ridge; W from Mt. Emma; east of Mt. Emma Rd.; near 34.45864 N, 118.08684W to 34.46310N, 118.07530W; (Pacifico Mtn. 7.5 Quad. T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1413 Comment
  RSA620656  Chaenactis glabriuscula var. glabriuscula B. Pitzer 1998-5-23 3738 Los Angeles Western Transverse Range Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  RSA656220  Chaenactis glabriuscula var. glabriuscula Joseph M. Keefe 1977-6-10 22061 Los Angeles Northern Verdugo Mountains; 1 km south of La Tuna Canyon Road on Fire Break Road West, Sun Valley 457 Comment
  SBBG98309  Chaenactis glabriuscula var. glabriuscula G. B. Grant -May-1904 249 Los Angeles Pasadena Comment
  UCR270223  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-6-15 15162 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  CAS-BOT-BC277359  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3831 Los Angeles San Gabriel Mountains. Ridgetop to the NW of Crystal Lake [ridge descending SSW from Mt. Islip] 2194 Comment
  POM351802  Chaenactis santolinoides F. R. Fosberg 1931-8-12 S 5459 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA660166  Chaenactis santolinoides Orlando Mistretta 1992-5-25 440 Los Angeles Transverse Ranges; San Gabriel Mountains region: Fenner Canyon Conservation Camp, Between camp boundary and water tower. Comment
  CAS-BOT-BC133209  Chaenactis stevioides R. G. Swinney 2009-5-12 10724 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, junction of Alimony Ridge and Alimony Rdge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  SEINET3859912  Chaenactis xantiana R. G. Swinney 2009-4-28 10512 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 mi. SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  CAS-BOT-BC279718  Chaenactis xantiana Palmer Stockwell 1935-5-16 1311 Los Angeles Near Gorman Comment
  RSA756586  Chaenactis xantiana Orlando Mistretta, Christine Mistretta 2008-4-3 2273 Los Angeles Transverse Ranges; Liebre Mountains region: Southern California Edison transmission line tower (Segment 5, Structure 62, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass. Comment
  UC1746161  Chamaesyce Annetta M. Carter 1946-4-23 1759 Los Angeles Sierra Madre. Crest of first hill on Mt. Wilson Trail. 365 Comment
  POM145687  Chamaesyce albomarginata L. R. Abrams 1927-4-30 11715 Los Angeles Head of Antelope Valley. Comment
  RSA435997  Chamaesyce maculata George B. Grant 1904-9-2 6417 Los Angeles Pasadena Comment
  RSA569537  Chamaesyce polycarpa var. polycarpa Mark Morris 1929-3-11 s.n Los Angeles Griffith Park - Los Angeles. Comment
  RSA432469B  Chamaesyce serpillifolia S. D. s.n. Los Angeles Los Angeles. Comment
  SBBG118147  Chamaesyce serpyllifolia F. R. Fosberg 1931-5-18 4912 Los Angeles rd between Eagles' Nest and Sweetwater Cyn Comment
  UCR208183  Cheilanthes newberryi M. B. Dunkle 1939-4-3 7230 Los Angeles Channel Islands, Chenetti Canyon, San Clemente Island Comment
  RSA0077375  Chenopodium album Orlando Mistretta 1992-7-13 672 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA423270  Chenopodium album Anstruther Davidson 1892-09 s.n. Los Angeles E. Los Angeles. Comment
  RSA478485  Chenopodium californicum T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA611051  Chenopodium californicum L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  SBBG119907  Chenopodium californicum A. C. Sanders, E. J. Lawlor 1988-4-3 7743 Los Angeles 1 mi NW of Gorman on a gasline rd, 0.4 mi above the old hwy 1284 Comment
  RSA573456  Chenopodium californicum T. S. Ross 1992-6-15 6555 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 294 Comment
  UC501519  Chenopodium multifidum Frank W. Peirson 1920-10-1 2291 Los Angeles near corner of Broadway and Union Streets; Pasadena Comment
  SBBG98705  Chenopodium murale T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5306 Los Angeles ridge between the two forks of Near-Death Cyn (draining to Mosquito Cove), ca. 1000 ft NNE of Rest (1336') marker 396 Comment
  LA201083  Chenopodium pumilio Louis C. Wheeler; 1932-7-2 Los Angeles San Gabriel Mountains, San Dimas Canyon 457 Comment
  RSA478567  Chenopodium pumilio L. C. Wheeler 1932-10-7 1428 Los Angeles San Gabriel. 107 Comment
  UCR150389  Chenopodium strictum L. C. Wheeler 1970-8-15 s.n. Los Angeles Pico and Figueroa St., Los Angleles 71 Comment
  CAS-BOT-BC184913  Chloris gayana Carl B. Wolf 1932-9-16 4121 Los Angeles Long Beach. Bryant Ranch on west side of San Gabriel River Flood Control 1400 feet south of 7th Street. 3 Comment
  POM364940  Chloris gayana F. R. Fosberg 1930-7-7 S- 3173 Los Angeles Alamitos Bay 2 Comment
  CDA1960  Chloris gayana Garrettson 1933-10-13 45 Los Angeles L.A. County. 0 Comment
  SEINET4044533  Chlorogalum pomeridianum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Puerco Canyon. 182 Comment
  UCR265608  Chondrilla juncea John L. Thompson 2015-6-25 s.n. Los Angeles Glendale, near Descanso Motorway Comment
  CAS-BOT-BC252776  Chorizanthe parryi var. parryi Geo. B. Grant 1902-5-14 s.n. Los Angeles Glendora Comment
  JEPS57709  Chorizanthe parryi var. parryi Frank W. Peirson 1919-5-21 446 Los Angeles Arroyo Seco San Gabriel Mountains, Arroyo Seco 381 Comment
  RSA747228  Chorizanthe procumbens R. G. Swinney 2008-4-7 8618 Los Angeles San Gabriel Mtns. Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  UCR167546  Chorizanthe spinosa S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  CLARK-A1528-3606  Chorizanthe staticoides John C. Roos 1937-5-19 1805 Los Angeles Claremont Comment
  RSA479531  Chorizanthe staticoides Steve Boyd, T. S. Elias 1987-4-14 2069 Los Angeles San Gabriel Mountains, ridge between Pine Mtn. and Silver Mtn. S. of Rincon - Red Box Rd, N of Glendora. Comment
  RSA733750  Chorizanthe staticoides R. G. Swinney 2000-5-20 7694 Los Angeles NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch north of Hwy 39. 610 Comment
  UCD170171  Chorizanthe watsonii R. G. Swinney 2009-5-13 10759 Los Angeles Transverse Range; San Gabriel Mtns.: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper hills. 1122 Comment
  UCR227717  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2010-6-4 5254 Los Angeles San Gabriel Mountains, Monte Cristo Canyon, triutary of Mill Creek Canyon, 3.0 mi southwest of Mill Creek Summit, along SCE transmission line corridor 1372 Comment
  RSA0098836  Chrysolepis sempervirens R. G. Swinney 2011-8-5 15594 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
  RSA188543  Chrysothamnus nauseosus subsp. bernardinus R. F. Thorne, John Olmsted 1965-8-26 35370 Los Angeles Blue ridge, ca. 1/2 mi beyond junction with Angeles Crest Hwy 2255 Comment
  POM351994  Chrysothamnus nauseosus subsp. mohavensis Samuel R. Tyson 1943-9-1 s.n. Los Angeles Brown's Flat, San Dimas canyon. 1250 Comment
  CAS-BOT-BC162779  Chylismia claviformis subsp. claviformis Robert F. Thorne; G. Wallace 1973-4-24 43434 Los Angeles Along F. Tejon Road near junctino with Longview Road, c. 3 mi S of Pearblossom Road, San Gabriel Mts., Mojave Desert slope. 1066 Comment
  UC54177  Cirsium occidentale var. californicum Ernest Braunton 1902-6-1 416 Los Angeles Elysian Park Comment
  RSA0070680  Cirsium occidentale var. californicum Gary D. Cromwell, David W. Wheat 1971-4-30 608 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi NE of Glendora. 457 Comment
  CAS-BOT-BC285588  Cirsium occidentale var. occidentale Timothy S. Ross; J. Mark Porter 1995-5-4 8508 Los Angeles Liebre Mountains. Texas Canyon: ca 2.8 road miles NE of Bouquet Canyon Road 609 Comment
  SBBG18725  Cirsium vulgare E. R. Blakley 1962-10-5 5466 Los Angeles near cattle corral, Middle Ranch Crk between mouth of Cape Cyn and its head 228 Comment
  CAS-BOT-BC438761  Cistanthe monandra Peter H. Raven 1962-4-6 17106 Los Angeles 0.5 miles north of Pearblossom 853 Comment
  CAS-BOT-BC172246  Clarkia cylindrica subsp. cylindrica Peter H. Raven; Henry J. Thompson 1959-5-5 14119 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage, Santa Monica Mountains 274 Comment
  JEPS43846  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 55 Los Angeles 8 mi w Elizabeth Lake 1000 Comment
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Jun 27 2006
  UCR150860  Clarkia dudleyana R. G. Swinney, Dave Larson 1999-5-15 7146 Los Angeles San Gabriel Mtns., Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 549 Comment
  RSA609955  Clarkia dudleyana R. S. Woglum 1930-5-10 s.n. Los Angeles Western Transverse Ranges: San Fernando Valley. North Hollywood. Comment
  CATA513  Clarkia epilobioides Sara L. Crockett 1997-4-9 658 Los Angeles Santa Catalina Island: 1.0 mile up Hermit Gulch Trail from Hermit Gulch CG, S side of trail ca. 10 m upslope 304 Comment
  POM3132  Clarkia epilobioides C. F. Baker 1904-5-5 4735 Los Angeles Claremont. Comment
  CAS-BOT-BC172543  Clarkia purpurea subsp. purpurea H. E. Hasse 1888-4-1 s.n. Los Angeles Near Los Angeles Comment
  LA45495  Clarkia purpurea subsp. quadrivulnera A. M. Johnson; 1934-5-4 4452 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CAS-BOT-BC165516  Clarkia unguiculata L. McHargue; B. Miller 1963-7-6 s.n. Los Angeles Atmore Meadow near Mt. Liebre, Angeles National Forest 1371 Comment
  RSA0088004  Clarkia unguiculata R. G. Swinney 2010-6-21 13280 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA448453  Clarkia unguiculata M. B. Dunkle 1931-4-22 2464 Los Angeles Santa Catalina Island, Middle Ranch Canyon. Comment
  RSA73363  Clarkia unguiculata F. W. Peirson 1920-5-16 2086 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 457 Comment
  SDSU8704  Clarkia unguiculata Gerald Collier 1951-5-15 M 336 Los Angeles Open Field near Provosts Residnece, Just So. of sunset Blvd. UCLA campus. Comment
  UC1122465  Clarkia unguiculata A. D. Gifford 1935-5-8 679 Los Angeles 2 1/2 mi s Warm Springs; Angeles National Forest, Tejon Quadrangle Comment
  UC1870167  Clarkia unguiculata LeRoy Gross 2001-5-6 383 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley Comment
  RSA0059967  Clarkia xantiana subsp. xantiana Tim S. Ross, Steve D. Boyd 1995-6-28 8656 Los Angeles COLD CANYON, SW end of Liebre Mountain: trail from U.S. Forest Service road 7N23 NNE to an abandoned mine. 1293 Comment
  RSA779999  Claytonia parviflora R. G. Swinney 2009-4-7 10282 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, under 2nd span from west 184 Comment
  SFV1189  Claytonia perfoliata M. L. Vincent 1963-5-7 343 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  UCR182268  Claytonia perfoliata R. G. Swinney, Dave Larson 1998-4-26 6035 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  SEINET11942589  Claytonia perfoliata I. W. Clokey, Templeton, B. 1929-1 4525 Los Angeles Mandeville Canyon, Santa Monica Mountains 275 Comment
  RSA482006  Claytonia perfoliata subsp. mexicana Richard Noyes 1988-5-12 567 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  UC7911  Claytonia perfoliata subsp. mexicana Harley P. Chandler 1897-3-14 Los Angeles Claremont 365 Comment
  RSA466717  Claytonia perfoliata subsp. mexicana M. Bisbee 1917-5-27 s.n. Los Angeles Near Verdugo road, Verdugo Canyon Comment
  RSA679285  Clematis lasiantha Mark A. Elvin, Anne Marie Ruff 1996-8-1 306 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. Comment
  RSA386252  Clematis ligusticifolia Bonnie C. Templeton 1932-8-25 5071 Los Angeles Big Rock Creek, San Gabriel Mts. 1905 Comment
  RSA755851  Clematis ligusticifolia R. G. Swinney 2008-7-2 9128 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  UC220784  Cleomella obtusifolia A. D. E. Elmer Jun 1902 3629 Los Angeles Lancaster Comment
  POM202312  Cnicus benedictus L. M. Booth 806 Los Angeles Burbank Comment
  JEPS14934  Collinsia bartsiifolia var. davidsonii H. M. Hall May 1 1902-May 3 1902 3062 b Los Angeles vicinity of Elizabeth Lake Antelope Valley 1066 Comment
  JEPS1762  Collinsia heterophylla C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4749 Los Angeles Bouquet Canyon 700 Comment
  RSA670944  Collinsia heterophylla Joseph M. Keefe 2001-1-19 30931 Los Angeles North side of wood fence along the Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 meters west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive); Eagle Rock District, Los Angeles, 90041. 293 Comment
  UC56431  Collinsia heterophylla Ernest Braunton Mar 1903 850 Los Angeles Playa del Rey Comment
  UC741163  Collinsia heterophylla B. C. Templeton 1939-4-26 5486 Los Angeles Santa Monica Mountains, Huntingon Palisades Huntingon Palisades; Santa Monica Mountains, Huntingon Palisades 640 Comment
  SDSU10583  Collinsia heterophylla R. M. Beauchamp 1967-3-18 269 Los Angeles Growing on grassy slopes of canyon below Lemon Tank. San Clemente Island. Comment
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May 16 2008
  RSA0117361  Collinsia parryi Anuja Parikh, Nathan Gale 2005-4-13 2102 Los Angeles NE end of Santa Susana Mtns.: Long Canyon, Newhall Ranch, Study Area 31. 305 Comment
  UC26665  Collinsia torreyi var. wrightii H. M. Hall 1900-6-6 1500 Los Angeles Swarthout Canyon San Antonio Mts. 2072 Comment
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Nov 28 2015
  UCR219812  Commelina benghalensis Lorraine Weller 2009-7-29 290709- 09 Los Angeles Union Avenue/Cesar Chavez Community Garden, 1136 South Union Ave., Westlake, Los Angeles 70 Comment
  SBBG12877  Constancea nevinii E. R. Blakley 1962-6-10 5228 Los Angeles Eel Pt 6 Comment
  RSA650757  Convolvulus Eleanor McClung 1937-5-2 157 Los Angeles Coast Ranges near Lake Malibu. Comment
  RSA118800  Conyza canadensis S. Carlquist 1958-8-30 619 Los Angeles Weed in field, Foothill Blvd at W City limits of Claremont. Comment
  RSA592867  Conyza canadensis var. canadensis L. C. Wheeler 1967-7-30 10274 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground 1006 Comment
  RSA138527  Conyza coulteri Reid V. Moran 1959-3-9 7156 Los Angeles 1 mile N of Eel Point, San Clemente Island 20 Comment
  RSA702219  Cordylanthus nevinii Scott D. White 2004-8-11 10704 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA127409A  Cordylanthus rigidus subsp. setiger H. J. Thompson 1958-9-28 1805 Los Angeles Cold Canyon Road, 2.5 miles north-east of Monte Nido Fire Station. 274 Comment
  LA31636  Coreopsis bigelovii Henry J. Thompson; 1959-3-31 1905 Los Angeles Santa Monica Mountains, Medea Creek, Cornell Rd, 1 mi N of Mulholland Hwy, 1.8 mi S of Malibu Junction 274 Comment
  RSA587352  Coreopsis bigelovii Orlando Mistretta 1992-5-4 231 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  POM48458  Coreopsis californica var. californica P. A. Munz 1925-3-16 9357 Los Angeles Cobal Canyon, north of Claremont. 518 Comment
  UC1302311  Coreopsis gigantea Robert F. Thorne and P. C. Everett 1964-2-7 33449 Los Angeles just e Avalon (on road to Pebbly Beach); Santa Catalina Island 7 Comment
  CAS-BOT-BC105679  Corethrogyne filaginifolia Wesley O. Griesel 1961-9-16 s.n. Los Angeles Los Angeles 152 Comment
  RSA611975  Corethrogyne filaginifolia var. filaginifolia Valerie L. Soza, Laura Moore 1997-8-16 52 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard: West of main road, north of grass area north of Foothill Boulevard. 411 Comment
  UCD112971  Cotoneaster pannosus Robert F. Thorne 1971-3-18 41491 Los Angeles San Gabriel Mts.; Cobal Canyon; c. 3 mi N of Claremont. 502 Comment
  OBI36524  Cotula australis Mark Schneider 2005-5-26 s.n. Los Angeles Pierce College Campus Comment
  CAS-BOT-BC291376  Cotula coronopifolia Arthur C. Gibson; Linda Gibson 1972-3-4 2776 Los Angeles Near Zuma Beach, near Point Dume Comment
  CATA665  Crassula connata Mark L. Hoefs 1991-4-23 1154 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  RSA747362  Crassula connata R. G. Swinney 2008-3-26 8563 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA762167  Crassula connata Orlando Mistretta, Christine Mistretta 2008-5-6 2670 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  RSA595532  Crassula connata var. erectoides L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mountains. Placerita Canyon 457 Comment
  RSA723440  Crassula connata var. eremica George B. Grant 1905-4-19 s.n. Los Angeles [Unspecified] Comment
  RSA565747  Crassula tetragona Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles Arroyo seco Canyon; between Gould Mesa Picnic area and Nino Picnic Area. Comment
  SBBG51546  Crocanthemum scoparium var. vulgare J. Nickoloff 1973-5-2 730502 -5 Los Angeles ridge 600 ft N of Mt Wilson Trail, Sierra Madre 304 Comment
  CAS-BOT-BC175827  Crossosoma californicum Tim Ross; Janet Takara 1993-4-23 6937 b Los Angeles Santa Catalina Island: SW part of the island in Cape Canyon; just above bed of canyon near roadisde 256 Comment
  POM244221  Crossosoma californicum F. R. Fosberg 1931-4-8 S 4522 Los Angeles Santa Catalina Island; Avalon Valley 60 Comment
  LA82170  Croton californicus O. H. Kappler; 1941-5-22 273 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  RSA0091121  Croton californicus R. G. Swinney 2010-4-13 12189 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  RSA479357  Croton californicus R. F. Folger 1929-12 s.n. Los Angeles El Segundo. Comment
  RSA480698  Croton californicus var. tenuis Mildred R. Solomen 1931-07 s.n. Los Angeles El Segundo. Comment
  UCR126820  Croton setiger A. C. Sanders 2003-6-19 26971 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCD142196  Croton setiger M. Vincent 1962-12-5 309 Los Angeles Santa Monica Mts.; 0.5 mile west of Old Topanga Canyon Road on Dry Canyon Road. Comment
  UC1537680  Cryptantha circumscissa Gordon H. True Jr. 1935-4-19 270 Los Angeles Lovejoy Butte 853 Comment
  RSA0094672  Cryptantha clevelandii Steve Boyd, Lauren Raz 1997-5-6 9719 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA177785  Cryptantha clevelandii R. F. Thorne, P. Everett 1965-5-10 34499 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  UC551793  Cryptantha clevelandii Ivan M. Johnston 1932-3-28 10620 Los Angeles hills between Del Rey and El Segundo 25 Comment
  UCR213786  Cryptantha clevelandii Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12706 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  UCR143263  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 S- 4351 Los Angeles Channel Islands, Hamilton's Canyon near Avalon, Santa Catalina Island 80 Comment
  POM3896  Cryptantha clevelandii var. florosa I. M. Johnston 1918-5-5 1948 Los Angeles Puente Hills. 335 Comment
  UCR276927  Cryptantha corollata R. G. Swinney 2011-3-29 14274 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UC174987  Cryptantha dumetorum Katharine Brandegee Los Angeles Lancaster Comment
  UCD119787  Cryptantha flaccida Dan Axelrod 1932-3-21 s.n. Los Angeles 1 mile east of Claremont, Antelope Valley. Comment
  LA209957  Cryptantha intermedia Henry J. Thompson; 1960-5-14 3062 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi E of peak 701 Comment
  RSA187719  Cryptantha intermedia R. F. Thorne 1966-4-6 35888 Los Angeles Santa Catalina Island. Between White and Moonstone Coves 15 Comment
  SBBG63824  Cryptantha intermedia R. Hoffmann 1929-4-26 Los Angeles near Castaic, Soledad Cyn Comment
  UCR126601  Cryptantha intermedia A. C. Sanders, Mark A. Elvin 2003-4-16 26039 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  POM369525  Cryptantha intermedia M. Bisbee 1917-5-1 s.n. Los Angeles Hills north side of Eagle Rock Valley. Comment
  RSA653843  Cryptantha micromeres Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 767 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 518 Comment
  RSA191110  Cryptantha microstachys R. F. Thorne 1967-6-25 37115 Los Angeles In chaparral on dry, rocky bank along fire road between Cobal and Evey Canyons 732 Comment
  LA31581  Cryptantha muricata Henry J. Thompson; 1959-5-24 sn Los Angeles Comment
  LA94318  Cryptantha muricata Carl Epling; 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0106735  Cryptantha muricata R. G. Swinney 2011-5-19 14768 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  RSA595625  Cryptantha muricata L. C. Wheeler 1967-5-9 9380 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  SFV6286  Cryptantha muricata M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains Oat Mountain. Junction of Browns Canyon Road and main ridge road. 1059 Comment
  UCD119950  Cryptantha muricata Geoffrey Levin 1974-4-27 39 Los Angeles San Antonio Canyon below San Antonio Canyon Dam, San Gabriel Mountain Range. 579 Comment
  UCR61100  Cryptantha muricata Steve Boyd, T. S. Ross 1988-4-28 2245 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA499692  Cryptantha muricata H. de Forest, George R. Johnstone 1925-5-16 s.n. Los Angeles Hollywood Mt. Comment
  RSA0096980  Cryptantha muricata var. denticulata Richard G. Swinney 2011-5-31 14907 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0104906  Cryptantha muricata var. denticulata R. G. Swinney 2011-10-18 15842 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA0078912  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2956 a 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
  RSA0079205  Cryptantha muricata var. muricata C. B. Wolf 1936-5-26 7831 Los Angeles Indian Canyon Camp, 2 mi. off Soledad Canyon, NW end of of San Gabriel Range. 914 Comment
  RSA0079456  Cryptantha muricata var. muricata Anstruther Davidson 1904-6-1 1475 Los Angeles Wilson s Peak. Comment
  RSA0079552  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd 1990-6-18 3520 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  RSA0070126  Cryptantha nevadensis var. rigida LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6958 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  UCR185567  Cryptantha nevadensis var. rigida A. C. Sanders 2007-4-25 33572 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCR205587  Cryptantha nevadensis var. rigida R. G. Swinney 2008-5-13 8866 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA0079293  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-5-6 10677 Los Angeles San Gabriel Mtns./Western Mojave Desert: Carr Canyon at confluence with Little Rock Creek. 909 Comment
  SD90389  Cryptantha pterocarya var. pterocarya Robert F. Thorne, C. W. Tilforth 1973-4-20 43047 Los Angeles San Gabriel Mountains, Mojave Desert slopes; 3.2 miles south of Highway 138 along Grandview Canyon Road. 1280 Comment
  UCR280419  Cryptantha pterocarya var. pterocarya Onkar Singh 2014-3-18 4375 Los Angeles Mojave Desert, c. 10 km north of Littlerock, near junction of Avenue O and 110th St. 804 Comment
  RSA0019770  Cryptantha simulans Orlando Mistretta, Christine Mistretta 2011-6-23 5752 Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  RSA127938  Cucurbita foetidissima P. H. Raven, Henry J. Thompson 1959-10-14 s.n. Los Angeles Malibu Junction. 267 Comment
  UCR205523  Cupaniopsis anacardioides A. C. Sanders, T. B. Salvato 2009-5-19 36814 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA733987  Cuscuta D. M. McFadden 1955-1 s.n. Los Angeles Lakewood Village. 30 Comment
  LA210102  Cuscuta californica Carl Epling; 1926-2-21 8741 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA751110  Cuscuta californica Justin M. Wood 2009-6-5 829 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UCR205728  Cuscuta californica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37012 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA409677  Cuscuta californica Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park Comment
  UCD54441  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 11 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  LA210114  Cuscuta subinclusa Elizabeth Epling; Juddy Epling 1937-8-20 Los Angeles Santa Monica Mountains Comment
  SEINET10468125  Cynodon dactylon David B. Dunn 1948-2-21 Dunn 3658 Los Angeles In wash. A rain about 2 wks earlier. Below springs. Near pushawalla. Comment
  RSA0107831  Cyperus Steven A. Junak 2000-6-29 SCa- 1352 Los Angeles Santa Catalina Island. Just E of Middle Ranch Road, ca 1.1 mi. from intersection with Airport Road. 289 Comment
  CATA1344  Cyperus eragrostis Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2448 Los Angeles Santa Catalina Island: Haypress Reservoir 420 Comment
  UCR210505  Cyperus eragrostis R. G. Swinney 2008-11-30 9870 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR259359  Cyperus eragrostis R. G. Swinney 2010-4-20 12291 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR45016  Cyperus eragrostis A. C. Sanders 1986-7-30 6812 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  SDSU11714  Cyperus eragrostis A. H. Gallup 1947-10-13 60 Los Angeles Below Morris Dam in San Gabriel 732 Comment
  RSA0062565  Cyperus involucratus R. G. Swinney 2010-8-16 13543 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  POM11156  Cystopteris fragilis F. W. Peirson 1920-9-15 s.n. Los Angeles Mt. San Antonio, north slope 2819 Comment
  RSA651096  Cytisus monspessulanus Rudolf Schmid 1962-4-26 s.n. Los Angeles By northern pond, Cal Poly, Pomona. Comment
  CATA3086  Dactylis glomerata Amy Catalano, Steven Junak 2016-4-27 086 Los Angeles Santa Catalina Island: Along Silver Peak Road, 260 meters south of junction with Boushay Road 509 Comment
  UCR241704  Dactylis glomerata Dan S. Cooper 2012-9-6 912- 66 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park 137 Comment
  RSA431664  Datisca glomerata Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon Comment
  CATA2939  Datura wrightii Sarah Ratay, Sula Vanderplank, Lucinda McDade, Jeanie Shelton 2009-10-26 108 Los Angeles Santa Catalina Island: Up road from top end of Wrigley Botanic Garden 130 Comment
  RSA640822  Datura wrightii Louis C. Wheeler 1930-11-12 s.n. Los Angeles LaVerne: Wheeler's residence. Comment
  RSA660458  Datura wrightii Ian Thompson 1997-3-22 49 Los Angeles Cal Poly Pomona Ecological Reserve, South facing slope of F-canyon. Comment
  PASA1930  Daucus pusillus Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA527602  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4429 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  CAS-BOT-BC299271  Deinandra fasciculata John I. Carlson 1914-4-25 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  SBBG125834  Delphinium parishii subsp. parishii A. Parikh, N. Gale 2010-5-24 3215 Los Angeles Sierra Pelona, 5.4 km W of State Hwy 14, 1.9 km SW of California Aqueduct 1105 Comment
  RSA398741  Delphinium parryi Unspecified s.n. Los Angeles Milard's Canyon [Millard Canyon]. Comment
  UC854185  Delphinium parryi Alice Eastwood Jun 19 1906-Jun 30 1906 20 Los Angeles Garvanza Zaca Lake Forest Reserve Comment
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Jan 11 2015
  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
  CAS-BOT-BC116269  Delphinium parryi subsp. parryi Alice Eastwood 1906-5-27 20 Los Angeles Garvanza Comment
  SD212710  Delphinium parryi subsp. parryi Anuja Parikh, Nathan Gale 2005-4-29 2109 Los Angeles Newhall Ranch, River Park area East of I-5, North of Santa Clara River and West of Bouquet Canyon 351 Comment
  RSA398717  Delphinium parryi subsp. parryi L. E. Hoffman 1926-4-18 s.n. Los Angeles Arroyo Seco, Can. [La Canada] Comment
  LA82453  Delphinium patens subsp. hepaticoideum O. H. Kappler; 1946-4-6 1079 Los Angeles SANTA MONICA MOUNTAINS, Hidden Valley, French Ranch, W of Lake Sherwood. 335 Comment
  RSA0030029  Delphinium patens subsp. montanum Tim S. Ross 1993-5-16 7148 Los Angeles Glendora Ridge Road on the divide between San Dimas Canyon and Cow Canyon. 1329 Comment
  UC1587211  Delphinium variegatum Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-20 5312 Los Angeles upper e fork Box Canyon (rocky slope of draw, terrace flats between Box Canyon and Horse Canyon, w side of island); San Clemente Island 477 Comment
  SD84842  Delphinium variegatum subsp. kinkiense M. B. Dunkle 1939-4-6 7322 Los Angeles Channel Islands, San Clemente Island Comment
  CAS-BOT-BC82824  Dendromecon harfordii E. R. Blakley 1962-10-3 5387 Los Angeles Santa Catalina Island. East side of Blackjack Mountain at start of road to Whites Landing. 411 Comment
  POM14762  Dendromecon rigida Alice Eastwood 1906-1 s.n. Los Angeles Roscoe. Comment
  UC1126352  Dendromecon rigida R. St. John 1930-1-7 68 Los Angeles near San Vicente Peak; Calabasas Quadrangle; TRS coordinates followed by SBM Comment
  UCR185609  Descurainia pinnata A. C. Sanders 2007-4-25 33564 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCR190458  Descurainia pinnata R. G. Swinney 2001-4-18 7888 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  CAS-BOT-BC402256  Dicentra chrysantha Tim Ross; Steve Boyd 1992-7-5 6615 Los Angeles Liebre Mountains. Red Mountain: rocky summit area 1217 Comment
  RSA773530  Dicentra chrysantha R. G. Swinney 2009-6-28 11290 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway. 194 Comment
  UC855129  Dicentra ochroleuca I. W. Clokey and B. C. Templeton 1930-4-2 4615 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  SD139375  Dichelostemma capitatum subsp. capitatum Jon P. Rebman, Jonathan Dunn 1996-4-29 3115 Los Angeles San Clemente Island, Eel Cove and Eel Cove Canyon, on west side of island. In rocky canyon above wash. (IPB 3/08) 24 Comment
  UCR281633  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-6-5 16716 Los Angeles San Gabriel Mountains, Glendora, 0.53 mile north of jct. of Rainbow Drive and Sierra Madre Ave., at south base of ridge 463 Comment
  RSA251402  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1966-4-16 36071 Los Angeles San Clemente Island, canyon below Lemon Tank near dump, S of Nanny, NE side of island 183 Comment
  SEINET4063539  Dichelostemma capitatum subsp. capitatum R. Moran 1941-1 580 Los Angeles Middle Rancy, San Clemente Island. 500 Comment
  RSA752344  Digitaria ischaemum Justin M. Wood 2009-7-25 1161 Los Angeles Private residence on Ramona Ave, just SE of intersection of Arrow Highway and Mills Ave. 351 Comment
  CAS-BOT-BC209064  Digitaria sanguinalis Ernest C. Twisselmann 1970-10-17 17548 Los Angeles Gorman Highway 5 miles west of Highway 14, Antelope Valley - Mojave Desert 1005 Comment
  PASA645  Digitaria sanguinalis Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  UCR101686  Dimorphotheca sinuata B. G. Pitzer 1998-5-23 3755 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  RSA0047423  Diplacus aurantiacus subsp. aurantiacus R. G. Swinney 2010-5-4 12505 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
  OBI32771  Diplacus brevipes H. Anderson & Carl Epling, Carl Epling 1930-5-30 s.n. Los Angeles Santa Monica Mts, Mandeville Cyn Comment
  CAS-BOT-BC152899  Diplacus brevipes Grant 1901-4-7 3770 Los Angeles Near Laurel [Canon] Canyon Comment
  CAS-BOT-BC153050  Diplacus fremontii Alice Eastwood; John Thomas Howell 1937-4-26 3969 Los Angeles Near Palmdale Comment
  SD38174  Diplacus longiflorus Edith A. Purer 1931-3-8 1553 Los Angeles Griffith Park, hillsides Comment
  SD42004  Diplacus longiflorus Darley F. Howe 1947-5-3 Los Angeles Topanga Canyon Comment
  LA52240  Dodecatheon clevelandii Sharon Johnston; 1957-3-13 Los Angeles Westwood, UCLA campus. Faculty Hill 182 Comment
  RSA166487  Dodecatheon clevelandii subsp. clevelandii W. G. Webb 1935-2-16 s.n. Los Angeles Chevy Chase, San Rafael Hills north of Glendale Comment
  SBBG38689  Dodecatheon clevelandii subsp. insulare R. Moran 1941-2-23 604 Los Angeles S of Johnson's Valley 200 Comment
  SD66877  Dodecatheon clevelandii subsp. insulare R. Mitchell Beauchamp 1967-3-20 357 Los Angeles open slope above beach road south of Avalon, Santa Catalina Island Comment
  RSA461368  Dodecatheon clevelandii subsp. sanctarum Ora M. Clark 1929-3-24 1773 Los Angeles S. Santa Susana Mtns. Comment
  RSA233384  Dodecatheon clevelandii subsp. sanctarum Arthur C. Gibson, Linda C. Gibson 1972-2-26 2802 Los Angeles Dume Road near Heathercliff Road near Point Dume. Comment
  CAS-BOT-BC129961  Dodecatheon redolens Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10065 Los Angeles Lilly Spring, n. slope Mt. Hawkins, San Gabriel Mts. Comment
  UC1532947  Draba corrugata Robert F. Thorne, C. W. Tilforth and John Dourley 1969-7-29 38867 Los Angeles Dawson Saddle San Gabriel Mts., Angeles National Forest 2423 Comment
  RSA225834  Draba corrugata var. corrugata R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41069 b Los Angeles West Baldy Peak on ridge running E toward Old Baldy (Mt. San Antonio) 2743 Comment
  RSA641179  Drymocallis cuneifolia var. ewanii Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38858 Los Angeles N facing slope above Angeles Crest Hwy N and below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  RSA642700  Dryopteris arguta Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UC1063778  Dryopteris arguta F. H. Raymond 1930-1-29 41 Los Angeles Santa Ynez Canyon; Calabasas Quadrangle 213 Comment
  UCR271199  Dryopteris arguta R. G. Swinney 2011-11-1 15945 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
  UCSB8254  Dryopteris arguta Haller, John 1950-5-29 Los Angeles Santa Monica Mtns., Mulholland Dr., above Sepulveda Tunnel. 411 Comment
  SFV10204  Dryopteris arguta J. G. Cuti 1978-6-20 73 Los Angeles About 0.5 miles off Santa Susana Pass Road on Box Canyon Road. Comment
  RSA670389  Dudleya cymosa B. C. Templeton 1947-5-21 6278 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  CAS-BOT-BC428120  Dudleya cymosa subsp. cymosa K. Nakai 1980-5-25 608 Los Angeles Santa Monica Mountains, Arroyo Sequit in UCLA-NLWRS Reserve next to Camp JCA (Jewish Community Association) ca. 2.5 km south of junction of Mulholland Hwy. and Little Sycamore Rd. on Mulholland Hwy. 209 Comment
  UC205027  Dudleya cymosa subsp. pumila I. M. Johnston 1917-7-30 1643 Los Angeles Ontario Peak, San Antonio Mtns 2590 Comment
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May 13 2016
  CAS-BOT-BC428396  Dudleya lanceolata Alice Eastwood 1919-5-29 9009 b Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC428404  Dudleya lanceolata Reid Moran 1941-5-17 866 Los Angeles Floor of San Fernando Valley East of San Fernando 325 Comment
  LA105036  Dudleya lanceolata Peter H. Raven; David S. Verity 1960-5-7 15345 Los Angeles Santa Monica Mountains, Cornell Corners, just W of Cornell Corners 228 Comment
  UC128961  Dudleya lanceolata H. M. Hall 7403 Los Angeles vicinity Newhall 457 Comment
  RSA422246  Dudleya lanceolata F. R. Fosberg 1931-8-30 812 Los Angeles El Segundo 15 Comment
  SD73457  Dudleya lanceolata R. S. Woglum 1935-6-15 813 Los Angeles San Gabriel Mountains, San Gabriel River. Comment
  SD51843  Dudleya virens Peter H. Raven 1962-7-10 17984 Los Angeles San Clemente Island; canyon below Lemon Tank. 230 Comment
  SDSU19674  Dudleya virens Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-21 2213 Los Angeles Northwest of dunes, northwest portion of San Clemente Island, near F4 Phantom. 58 Comment
  CAS-BOT-BC109729  Dudleya virens subsp. insularis Reid Moran 1941-5-27 874 Los Angeles Ocean bluff 0.25 mile east of Point Vincente. 20 Comment
  UCR223615  Dysphania pumilio R. G. Swinney 2009-6-27 11284 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  RSA699878  Echium candicans LeRoy Gross 2004-3-19 1208 Los Angeles San Rafael Hills: North section of hills; Gate # 4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. 502 Comment
  RSA605809  Eclipta prostrata L. C. Wheeler 1966-10-25 9084 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UCSB3675  Ehrendorferia chrysantha Kamb, Peter 1947-6-30 Los Angeles Upper Sonoran Zone, San Gabriel Canyon road below Crystal Lake, San Gabriel Mts. 1371 Comment
  RSA0045496  Ehrharta calycina Wendy Boes 2009-3-26 2009 -053 Los Angeles San Gabriel Mountains; Johnstone Peak Spur, Forest Service Raod 1N17. 822 Comment
  SBBG31400  Eleocharis macrostachya R. F. Thorne 1966-4-7 35979 Los Angeles one of upper small ponds near Arrow Pt 60 Comment
  LA15804  Eleocharis montevidensis A. M. Johnson; 1932-5-30 4072 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA705545  Eleusine coracana subsp. africana R. E. Riefner Jr. 2003-12-14 3 -504 Los Angeles City of Pasadena, Lower Arroyo Park, near Arroyo Seco Creek, south of Arroyo Boulevard and Norwood Street. 120 Comment
  UCR274120  Elymus condensatus Steven A. Junak 2000-7-1 SCa- 1373 Los Angeles California Islands, Santa Catalina Island, Cape Canyon Comment
  RSA202447  Elymus glaucus R. L. Armacost 1963-5-7 1626 Los Angeles Tapia Park, Santa Monica Comment
  SBBG32080  Elymus glaucus R. N. Philbrick 1967-5-18 B 67 -216 Los Angeles lower-middle Bullrush Cyn, Salta Verde Comment
  UC1586196  Elymus glaucus Tim Ross 1991-8-16 5815 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad. (near margin of dried stream depression) 1719 Comment
  CAS-BOT-BC206746  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2478 Los Angeles Tamarack Valley - San Jacinto Mountains 2804 Comment
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Oct 10 2020
  RSA611078  Elymus glaucus subsp. glaucus L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: Fish Fork. 1098 Comment
  RSA589145  Elymus glaucus subsp. jepsonii Orlando Mistretta 1994-5-13 1195 Los Angeles San Gabriel Mts; Little Rock Creek; slopes E of creek opposite confluence with Kitter Canyon 1067 Comment
  RSA605011  Elymus trachycaulus subsp. trachycaulus L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  RSA0105692  Elymus triticoides Amy Catalano 2016-5-25 16 -132 Los Angeles Santa Catalina Island. Short spur road at sharp turn at south end of Big Springs Road. 63 Comment
  SEINET12330749  Emmenanthe penduliflora H. W. Graham 1927-1 9- 9 -5 Los Angeles Mt. Lowe to observatory on Mt. Wilson near Los Angeles Comment
  RSA715749  Encelia actoni Scott D. White, Andrea Warniment 2006-7-7 11627 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  SBBG121469  Encelia actoni R. Burgess, P. Munro 1999-4-17 3242 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk between first and second narrows 487 Comment
  RSA313368  Encelia californica R. F. Thorne 1973-4-12 42923 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 5 Comment
  CAS-BOT-BC81830  Ephedra nevadensis Lewis S. Rose 1968-4-5 68013 Los Angeles Acton, Mojave Desert 822 Comment
  CDA745  Ephedra nevadensis G. D. Barbe, T. C. Fuller 1973-5-21 1392 Los Angeles Roadside field in SE corner of Pearblossom Hwy at Small Road, E of railroad overpass, 4 mi W of Four Points (junction with Hwy 138). Comment
  LA211928  Ephedra nevadensis R. G. Swinney; 2010-5-12 12770 Los Angeles SAN GABRIEL MOUNTAINS, Carr Canyon above Mount Emma road crossing, 0.6 miles E of Littlerock Creek confluence with Carr Canyon. 945.0 Comment
  NY70310  Ephedra nevadensis T. S. Ross 1991-4-30 5003 Los Angeles Soledad Canyon Eash: ca. 0.5 mile east of Acton; Acton USGS 7.5' Quadrangle 829.1 Comment
  SEINET7047914  Ephedra nevadensis Steven R. Hill, Kate Kramer 2001-4-22 33363 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon. Elevation about 1800 feet. Comment
  CAS-BOT-BC81965  Ephedra viridis Tim Ross 1995-4-26 8385 Los Angeles Liebre Gulch: along Forest Service Road 8N05 descending into the gulch from the Tumble Inn (site) on the Old Ridge Route 1024 Comment
  RSA164845  Epilobium brachycarpum Wesley O. Griesel 1963-8-9 876 Los Angeles Big Pines, San Gabriel Mts 2073 Comment
  UCR272958  Epilobium canum R. G. Swinney 2011-7-7 15468 B Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  RSA279092  Epilobium canum subsp. canum Robert F. Thorne, D. Propst 1974-9-10 45118 Los Angeles Santa Catalina Island: Big Spring area 122 Comment
  CAS-BOT-BC171916  Epilobium canum subsp. latifolium Charles F. Richter 1920-9-1 s.n. Los Angeles Mt. Islip, San Gabriel Mts. Comment
  CAS-BOT-BC171921  Epilobium canum subsp. latifolium Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10042 Los Angeles Throop Peak, San Gabriel Mts. 2743 Comment
  POM21345  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  POM8101  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1916-09 s.n. Los Angeles Eaton Canyon. San Gabriel Mtns Comment
  UCR203252  Epilobium ciliatum R. G. Swinney 2001-8-27 8122 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UCR205199  Epilobium ciliatum R. G. Swinney 2008-4-30 8703 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 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
  POM3146  Epilobium ciliatum subsp. ciliatum L. R. Abrams 1900-8-10 873 Los Angeles San Gabriel River Canyon. Comment
  RSA72175  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1951-08 s.n. Los Angeles Kewen Lake, Pasadena Comment
  RSA730083  Epilobium ciliatum subsp. ciliatum R. G. Swinney, D. W. Larson 1999-5-29 s.n. Los Angeles San Dimas Canyon, at waterfall in main fork ca. 600 m north of confluence with East Fork. 610 Comment
  UCR223606  Epilobium densiflorum R. G. Swinney 2009-6-8 11077 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
  UCSB24354  Epilobium glaberrimum Peirson, Frank 1921-7-17 Los Angeles Prairie Fork, San Gabriel River, San Gabriel Mountains 2011 Comment
  RSA611876  Epipactis gigantea Louis C. Wheeler 1932-8-2 1108 Los Angeles N Fork San Gabriel River, San Gabriel Mountains 1433 Comment
  UC211429  Equisetum X ferrissii I. Johnston 1917-5-13 27 T Los Angeles El Monte 121 Comment
  RSA684650  Equisetum arvense L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  LA47630  Equisetum telmateia subsp. braunii Henry J. Thompson; 1960-6-7 3069 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, in deep side canyon ca 0.4 mi S of tunnel, 1.6 mi S of Tapia Park. 152 Comment
  POM9734  Equisetum telmateia var. braunii F. W. Peirson 1920-4-25 s.n. Los Angeles Arroyo Seco, Pasadena 411 Comment
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Sep 26 2014
  RSA3590  Equisetum telmateia var. braunii C. B. Wolf 1932-5-12 3607 Los Angeles Middle Ranch Canyon, near bridge on lower road to Isthmus, Santa Catalina Island 30 Comment
  CAS-BOT-BC204477  Eragrostis cilianensis Ernest C. Twisselmann 1970-10-17 17549 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1005 Comment
  RSA639264  Eragrostis curvula L. F. Lane 1965-05 41832 Los Angeles Mountains North of Los Angeles [Santa Monica Mts?]. Comment
  SBBG56821  Eragrostis mexicana R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  SBBG4670  Eremalche exilis H. and M. Dearing 1938-5-1 2684 Los Angeles near Palmdale Comment
  RSA421756  Eremocarpus setiger F. R. Fosberg 1931-4-23 S- 4698 Los Angeles Cape Canyon, Santa Catalina Island. 240 Comment
  UC557759  Eremocarpus setiger Nell Murbarger May, 1936 184 Los Angeles San Clemente Island; e side Comment
  IRVC29107  Eriastrum densifolium A. C. Sanders, Mark A. Elvin 2003-6-20 27005 Los Angeles lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle Western Transverse Range/Santa Clara River Watershed 305 Comment
  SEINET12278715  Eriastrum densifolium J. F. Bright, Wyman, C. 1932-1 7964 Los Angeles Hollywood Comment
  UCR126218  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-14 136 Los Angeles Western San Gabriel Mtns., southern mouth of Bee Canyon, c. 250 m SW of Antelope Valley Fwy (Hwy 14), immediately adjacent to north side of Soledad Canyon Road and further up wash several hundred meters 549 Comment
  POM3560  Eriastrum filifolium George B. Grant 1901-1 502 Los Angeles From Pasadena. Comment
  LA201864  Eriastrum sapphirinum Arthur C. Gibson; 2003-9-1 4961 Los Angeles Simi Hills, Valley Circle Blvd. on W-side of Chatsworth Reservoir, near Chatsworth Lake Manor and Simi Hills Comment
  LA52313  Eriastrum sapphirinum Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UC147004  Eriastrum sapphirinum C. F. Baker 1909-12-15 5239 Los Angeles Claremont Comment
  CAS-BOT-BC514960  Eriastrum sapphirinum subsp. dasyanthum F. Grinnell Jr. 1910-6-20 s.n. Los Angeles San Gabriel Mts. Comment
  CAS-BOT-BC514994  Eriastrum sapphirinum subsp. dasyanthum G. B. Grant 1901-5-18 11495 Los Angeles Los Angeles: Western Ave. Comment
  RSA0122097  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1933-6-24 1881 Los Angeles Verdugo Creek, Verdugo Hills. 533 Comment
  CAS-BOT-BC515037  Eriastrum sapphirinum subsp. sapphirinum Prof. W. R. Dudley 1907-11-22 s.n. Los Angeles Near Monrovia Comment
  RSA589248  Ericameria cooperi Timothy S. Ross 1991-4-28 4742 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UCR259894  Ericameria cooperi R. G. Swinney 2010-6-1 13075 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  POM359393  Ericameria linearifolia Florence Collins 1942-2-27 s.n. Los Angeles Griffith Park Planetarium. Comment
  RSA584171  Ericameria linearifolia Timothy S. Ross, Steve Boyd 1990-5-15 2535 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA799686  Ericameria linearifolia Pam De Vries 2013-4-3 7833 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.75 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1035 Comment
  UC284263  Ericameria linearifolia P. A. Munz 1923-5-26 6826 Los Angeles Big Rock Creek San Gabriel Mts., Big Rock Creek (in stony wash) 1402 Comment
  UCR270943  Ericameria linearifolia R. G. Swinney 2010-5-12 12723 Los Angeles San Gabriel Mountains, 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
  CAS-BOT-BC298890  Ericameria nauseosa var. bernardina H. M. Hall 1930-11-2 12989 Los Angeles Blue Ridge, San Antonio Mts Comment
  UC284765  Ericameria nauseosa var. bernardina P. A. Munz 1923-8-31 7698 Los Angeles San Antonio Mts., Mescal Creek 1950 Comment
  CAS-BOT-BC299011  Ericameria nauseosa var. hololeuca Ernest C. Twisselmann 1961-10-31 6683 Los Angeles Leona Valley, Liebre Mts 929 Comment
  SBBG62922  Ericameria nauseosa var. mohavensis C. M. Hoak, M. N. Ackley 1930-9-21 1180 Los Angeles Valley Forge 1036 Comment
  SEINET5708375 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Dennis Clark; Matt Betkouski 1973-1 1449 Los Angeles Rancho Santa Ana Botanic Gardens, originally collected from No. Calif. chaparral.; Rancho Santa Ana Botanic Garden Comment
  UCR162780  Ericameria palmeri J. R. Ekhoff 1999-9-28 s.n. Los Angeles South Coast, Long Beach 30 Comment
  LA201908  Ericameria palmeri var. pachylepis Arthur C. Gibson; 2003-9-27 4964 Los Angeles 365 Comment
  RSA549138  Ericameria parishii var. parishii Timothy S. Ross 1992-7-16 6703 Los Angeles ridgeline between Iron Mtn. and Condor Peak 1511 Comment
  SD90402  Ericameria parishii var. parishii R. F. Thorne, L. E. DeBuhr 1972-8-18 42235 Los Angeles San Gabriel Mountains, Angeles National Forest. Charlton Flats burn west of Mount Mooney 1645 Comment
  RSA0011598  Ericameria parishii var. parishii Orlando Mistretta, Christine Mistretta 2011-6-15 5689 Los Angeles Northern edge of San Gabriel Mountains, 1.1 air miles N of Aliso Cyn Rd, 1.3 air miles W of Angeles Forest Hwy, 2.4 air miles S of Vincent. 1046 Comment
  UC1536031  Ericameria pinifolia Robert F. Thorne, M. Z. Thorne 1966-11-1 41378 Los Angeles near Mt. Baldy Village; San Gabriel Mts., Angeles National Forest, San Antonio Canyo Comment
  UC527675  Ericameria pinifolia C. B. Wolf 1931-10-20 Los Angeles 0.50 mi e Pacoima Creek Bridge (on the Tujunga to San Fernando Road) 365 Comment
  UCR212808  Ericameria pinifolia Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1851 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UCR259234  Erigeron canadensis R. G. Swinney 2010-9-9 13735 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
  UCR192941  Erigeron foliosus Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Royce Canyon, Los Angeles 320 Comment
  UCR204030  Erigeron foliosus R. G. Swinney 2001-9-15 8154 Los Angeles San Gabriel Mountains, Mt Islip 2515 Comment
  CAS-BOT-BC296209  Erigeron foliosus var. foliosus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  RSA724561  Erigeron foliosus var. stenophyllus K. Dobry 1991-6-24 D- 743 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  RSA600577  Eriodictyon crassifolium Louis C. Wheeler 1962-6-30 8158 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  RSA455001  Eriodictyon crassifolium var. nigrescens Wm. Martin 1972-4-1 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  UCR271465  Eriodictyon parryi R. G. Swinney 2011-6-14 15153 Los Angeles San Gabriel Mountains, upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road 1671 Comment
  CAS-BOT-BC188082  Eriodictyon traskiae Carl B. Wolf 1932-10-5 4235 Los Angeles 1 mile from Middle Ranch on road to Black Jack Peak, Santa Catalina Island 274 Comment
  CAS-BOT-BC222680  Eriodictyon trichocalyx I. M. Johnston 1917-7-28 1574 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 2286 Comment
  RSA647963  Eriodictyon trichocalyx Michelle Manolovitz, Brian Manolovitz 1992-5-19 29 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 0.35 miles northeast of park office. Comment
  SD113479  Eriodictyon trichocalyx F. F. Gander 12 Los Angeles Claremont Comment
  RSA608199  Eriogonum R. S. Woglum 1940-5-15 2912 Los Angeles South Coast: Tujunga Wash; San Fernando Valley. . Comment
  RSA65973  Eriogonum baileyi F. W. Peirson 1921-11-11 2718 Los Angeles E shore of lake near the road to Antelope Valley Comment
  SBBG61887  Eriogonum baileyi P. A. Munz, I. M. Johnston 1928-9-4 11175 Los Angeles Rock Crk 1158 Comment
  RSA393146  Eriogonum cinereum Ora M. Clark 1928-10-21 1220 Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  UCR223410  Eriogonum davidsonii R. F. Thorne, M. Z. Thorne 1969-7-10 38398 Los Angeles Transverse Ranges; San Gabriel Mountains, Angeles National Forest, Mescal Creek Play Area 2027 Comment
  CAS-BOT-BC242769  Eriogonum davidsonii I. M. Johnston 1917-7-30 1583 Los Angeles San Antonio Mountains. Cucamonga Pk 2438 Comment
  RSA393480  Eriogonum deflexum var. baratum Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  SBBG125857  Eriogonum deflexum var. baratum A. Parikh, N. Gale 2010-6-2 3250 Los Angeles Sierra Pelona, 3.7 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1150 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
  LA200762  Eriogonum elongatum var. elongatum Norman A. Cole; May 1964 389 .7 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, Malibu Lake, Lake Malibu bridge on Lake Vista Rd. 213 Comment
  RSA0011362  Eriogonum elongatum var. elongatum Orlando Mistretta, Youssef Atallah 2011-8-12 6023 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
  OBI44791  Eriogonum fasciculatum David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20050 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  RSA647936  Eriogonum fasciculatum Michelle Manolovitz, Brian Willie 1992-4-27 1 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 200 feet northwest of park office. Comment
  RSA729703  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-7-27 6509 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  CAS-BOT-BC253213  Eriogonum fasciculatum var. fasciculatum Alice Eastwood 1919-7-4 9288 Los Angeles Santa Monica Canyon Comment
  CATA322  Eriogonum fasciculatum var. fasciculatum Mark L. Hoefs 1973-7-13 351 Los Angeles Santa Catalina Island: Between airport and Escondido, southeast side of main road 266 Comment
  RSA393409  Eriogonum fasciculatum var. foliolosum Lester H. Cushman 1933-6-4 s.n. Los Angeles Glendale 488 Comment
  RSA725927  Eriogonum fasciculatum var. foliolosum Mark A. Elvin 2003-5-25 2927 -B Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage. 595 Comment
  UC159221  Eriogonum giganteum I. J. Condit 1908-6-29 23 Los Angeles Catalina Island Comment
  UC398795  Eriogonum giganteum Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  SEINET7848305  Eriogonum giganteum subsp. formosum Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22672 Los Angeles Channel Islands; east side 1 mile south of Wilsons Cove, San Clemente Island 50 Comment
  RSA188099  Eriogonum giganteum var. giganteum Robert F. Thorne 1965-6-22 34926 Los Angeles Catalina Island. South of Avalon golf course. 91 Comment
  SBBG62115  Eriogonum gracile R. Hoffmann 1928-9-11 Los Angeles between Lang and Acton Comment
  POM180160  Eriogonum gracile var. gracile Joseph A. Ewan 1931-10-29 5271 Los Angeles One mile above Malibu Lake. Comment
  RSA0110528  Eriogonum hirtiflorum R. G. Swinney 2011-6-7 15083 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA530076  Eriogonum hirtiflorum Tim S. Ross 1991-8-16 5863 Los Angeles Horse Flats (southern end). 1741 Comment
  RSA65089  Eriogonum hirtiflorum F. W. Peirson 1921-6-15 2452 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  UCR239044  Eriogonum inflatum Anuja Parikh, Nathan Gale 2010-6-8 3265 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, northwest of Vincent and Soledad Pass, 3.4 km northwest of State Hwy 14, under power lines 1190 Comment
  CAS-BOT-BC268748  Eriogonum mohavense A. Davidson 1897-1-1 s.n. Los Angeles Rock Creek, Mohave [Mojave] Desert Comment
  CAS-BOT-BC268773  Eriogonum mohavense Ira L. Wiggins 1966-4-23 20622 Los Angeles E of 145 Street E, between Palmdale Boulevard and Avenue O, north of Pearblossom. Mohave [Mojave] Desert Comment
  JEPS56626  Eriogonum nudum var. pauciflorum Joseph Andorfer Ewan 1934-8-3 8446 Los Angeles summit Table Mt., head of Le Montaine Creek San Gabriel Mts., Table Mt., Le Montaine Creek 2286 Comment
  RSA393617  Eriogonum nudum var. pauciflorum L. E. Hoffman 1932-9-18 s.n. Los Angeles San Gabriel Mountains, Angeles Forest: Barley Flats. Comment
  RSA0081629  Eriogonum nudum var. pubiflorum R. G. Swinney 2010-9-9 13734 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  SFV1016  Eriogonum plumatella M. L. Vincent 1962-10-4 298 Los Angeles San Gabriel Mountains 131st Street East and Pallett Creek Road. Roadside. 1170 Comment
  SD230264  Eriogonum pusillum Louis c. Wheeler 1946-8-29 6321 Los Angeles San Gabriel Mountains: North of Prairie fork, 1/4 mile SE Blue Ridge Lookout. 2560 Comment
  RSA567182  Eriogonum roseum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 4004 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  SBBG125875  Eriogonum roseum A. Parikh, N. Gale 2010-6-4 3258 Los Angeles Sierra Pelona, 2.9 km W of State Hwy 14, 1.2 km S of Avenue S; E Liebre Mtns 995 Comment
  UC1871264  Eriogonum roseum T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3869 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  CAS-BOT-BC267753  Eriogonum roseum Timothy S. Ross; Steve Boyd 1994-9-21 8310 Los Angeles Southwesterly slope at the west end of the moutnain, along Forest Service Road 7N23, ca 1080 m SW of Sandberg Triangulation Point (5345-ft), Liebre Mountain 1470 Comment
  RSA781191  Eriogonum roseum D. Silverman, Cindy Hopkins 2007-4-26 3205 Los Angeles Tejon Ranch, 620 m west of California Aqueduct, 1.3 km south of Kern County line, and 3.6 km NNE of Quail Lake 977 Comment
  CAS-BOT-BC267607  Eriogonum saxatile James L. Reveal; Barbara J. Ertter 1976-6-28 4555 Los Angeles Angeles Forest Highway (California Highway N-3) in Aliso Canyon near the junction of Tie Creek, 1.2 mile north of Mill Creek Summit, San Gabriel Mountains 1371 Comment
  CHSC112546  Eriogonum umbellatum var. minus Duncan S. Bell; Caitlin Elam 2013-8-1 5552 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  CAS-BOT-BC268210  Eriogonum umbellatum var. munzii Frank W. Peirson 1922-7-5 4684 Los Angeles Peak north of Big Pines Camp, San Gabriel Mountains 2209 Comment
  RSA703179  Eriogonum umbellatum var. munzii Scott D. White 2004-8-11 10713 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  UCSB33670  Eriogonum umbellatum var. munzii Fortlage, Robert 1961-9-23 Los Angeles desert side of the San Gabriel Mts; Pinyon Flats, Angeles National Forest 1066 Comment
  RSA0036146  Eriogonum vimineum Anstruther Davidson 1891-1 1876 Los Angeles Little Rock Creek. Comment
  POM307843  Eriophyllum confertiflorum Henry J. Ramsey 1938-6-11 2731 Los Angeles Eaton Canyon Park. Comment
  RSA29639  Eriophyllum confertiflorum Joseph A. Ewan 1933-6-17 10826 Los Angeles Dry canyon bottom, with Platanus Temescal Canyon, Santa Monica Mts. Comment
  RSA658306  Eriophyllum confertiflorum D. Roche 1998-5-26 25 Los Angeles Mt. Baldy Road 1.3 miles from the intersection of Mills Ave. adn Mt. Baldy Rd. South side of the road. 579 Comment
  RSA695683  Eriophyllum confertiflorum Anonymous s.n Los Angeles Milard's Canyon [Millard Canyon]. Comment
  SBBG127510  Eriophyllum confertiflorum M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2838 Los Angeles bluff SE of Rippers Cove 6 Comment
  SBBG131943  Eriophyllum confertiflorum S. A. Junak 2000-5-19 SCa 1316 Los Angeles N-facing slope overlooking Button Shell Beach, N side of ridge between Button Shell Camp and White's Landing, just W of powerline route 164 Comment
  UCR255782  Eriophyllum confertiflorum R. G. Swinney 2010-4-15 12271 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  RSA0073230  Eriophyllum confertiflorum Bonnie C. Templeton 1931-5-17 1214 Los Angeles Boquet Canyon, San Gabriel Mts. Comment
  JEPS17966  Eriophyllum confertiflorum var. confertiflorum George B. Rossbach 1955-6-20 532 Los Angeles Los Angeles Crest Highway (Route 2) about 2 mi n Mill Creek Summit (near Aliso Canyon Road) 1219 Comment
  JEPS30453  Eriophyllum confertiflorum var. confertiflorum Henry J. Thompson 1959-5-2 1968 Los Angeles 1.7 mi up the canyon from Coast Highway; Santa Monica Mountains, Little Sycamore Canyon, Yerba Buena 152 Comment
  LA200194  Eriophyllum confertiflorum var. confertiflorum Jonathan Sauer; 1969-6-4 4573 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  LA203576  Eriophyllum confertiflorum var. confertiflorum F. R. Fosberg; 1932-5-5 8104 Los Angeles Santa Catalina Island, Hill n. Avalon 40.0 Comment
  POM175388  Eriophyllum confertiflorum var. confertiflorum West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles San Gabriel Mountains. Comment
  RSA250667  Eriophyllum pringlei R. F. Thorne, J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39536 Los Angeles Mojave Desert: Along road to Valyermo ca. 1 mile east of Pallett Ranch at foot of grade north of Pinyon Pine Ridge in Shoemaker Canyon. 1402 Comment
  UCD39073  Eriophyllum pringlei Beecher Crampton 1963-5-7 6774 Los Angeles San Bernardino: Los Angeles County border; 0.5 miles n.w. Desert Springs, State Hwy. 138. 1185 Comment
  UCR222839  Eriophyllum pringlei R. G. Swinney 2009-5-13 10758 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UC1563063  Eriophyllum wallacei Steve Boyd and Orlando Mistretta 1986-3-31 1537 A Los Angeles Highway 138, 4 mi e of jct w/ Hwy 18 (ne of Pinyon Hills); Mojave Desert, Highway 138 Comment
  UCR151011  Erodium botrys Scott D. White 1997-5-7 5067 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  CDA4356  Erodium botrys L. C. Wheeler 1947-1-5 6454 a Los Angeles Along Santa Fe Railroad, 180 yards east of California Street on Duarte Road, Monrovia 0 Comment
  RSA0060764  Erodium cicutarium LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6827 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR255833  Erodium cicutarium R. G. Swinney 2010-5-4 12503 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
  RSA652313  Erodium moschatum Guy C. Black 1948-4-23 s.n. Los Angeles Found 4 miles west of Covina. 229 Comment
  RSA0094562  Erysimum capitatum Richard G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  POM553  Erysimum capitatum var. capitatum L. R. Abrams 1901-04 1339 Los Angeles San Fernando Mts. 762 Comment
  UC1871187  Erysimum capitatum var. capitatum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4822 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  RSA530236  Erysimum suffrutescens Robert Gustafson 1981-2-4 2097 Los Angeles Ballona Wetlands, Area 1, coastal strand along the western boundary of Area 1 Comment
  UCSB2146  Eschscholzia caespitosa Wedberg, H. 1957-5-9 Los Angeles 4 miles N Hwy 101, Latigo Canyon Comment
  UCR271675  Eschscholzia californica R. G. Swinney 2011-5-31 14923 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  CAS-BOT-BC403163  Eschscholzia californica unspecified 1901-4-9 s.n. Los Angeles Avalon, Central Canon [Canyon] near pump, Santa Catalina Id. [Island] Comment
  RSA0038384  Eschscholzia californica Kelly Williams 1980-3-17 7 Los Angeles Highway 23, 2 mi. S of Potrero Road. 487 Comment
  RSA0056412  Eschscholzia californica James R. Shevock 1970-3-14 34 Los Angeles Claremont. 518 Comment
  SD113754  Eschscholzia californica Darley F. Howe Apr 1915 57 Los Angeles Claremont Comment
  SEINET12102669  Eschscholzia californica J. F. Bright, Wyman, C. 1931-1 5284 Los Angeles Antelope Valley Comment
  RSA433663  Eschscholzia californica subsp. californica George B. Grant 1903-03 418 a Los Angeles Pasadena. Comment
  POM50340  Eschscholzia californica var. crocea L. R. Abrams 1901-04 1357 Los Angeles San Fernando Mts. 762 Comment
  RSA454359  Eschscholzia californica var. peninsularis F. R. Fosberg 1931-4-16 4650 Los Angeles Eagle Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  POM12314  Eschscholzia californica var. peninsularis F. L. Robinson 1921-5-9 75 Los Angeles Claremont. Comment
  RSA523173  Eschscholzia californica var. peninsularis Tim S. Ross 1991-2-23 4107 Los Angeles Whittier Hills (Puente Hills), upper Turnbull Canyon, 1/4 air mile W of Turnbull Canyon road x Skyline Drive in heavily disturbed drainage area. 252 Comment
  RSA587001  Eschscholzia minutiflora Orlando Mistretta 1992-5-8 295 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  RSA589200  Eschscholzia minutiflora Tim S. Ross 1991-4-27 4669 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 SW of Three Sisters [buttes]. 1003 Comment
  UC10049  Eschscholzia minutiflora J. Burtt Davy May, 1896 2489 Los Angeles Manzana Antelope Valley Comment
  UC1215177  Eschscholzia ramosa Peter H. Raven 1962-4-9 17165 Los Angeles above Wilson Cove; San Clemente Island 60 Comment
  UCR214638  Eucalyptus A. C. Sanders, Dan S. Cooper 2010-3-12 37378 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR117120  Eucalyptus citriodora A. C. Sanders, D. Malueg 2001-5-17 24323 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  RSA0069422  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-10 11799 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0128960  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin 2003-4-14 25980 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  RSA187872  Eucrypta chrysanthemifolia Robert F. Thorne 1966-4-7 35964 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  RSA595007  Eucrypta chrysanthemifolia Mark Hoefs, Robert F. Thorne 1996-4-6 2636 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
  SBBG120062  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders 2003-4-14 25980 Los Angeles Newhall Ranch, ca. 0.4 mi N of St Hwy 126, W of Castaic Crk and N of its confluence with Santa Clara River, 0.6 mi S of Commerce Center Drive along Franklin Parkway 305 Comment
  SD251722  Euphorbia misera M. B. Dunkle 1939-4-7 7336 Los Angeles San Clemente Island, Pyramid Cove, edge of first terrace Comment
  RSA656864  Euphorbia peplus Joseph M. Keefe 2001-1-24 31020 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
  RSA0107271  Euphorbia peplus Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-6-11 SCa- 706 Los Angeles Santa Catalina Island. NE side of island, at mouth of small canyon just SE of Frog Rock. 3 Comment
  UCR109018  Euphorbia prostrata L. C. Wheeler 1949-10-12 6756 Los Angeles City of Los Angeles, University of Southern California campus, lawn west of Doherty Library on 36 Street. 74 Comment
  IRVC27006  Euphorbia serpyllifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  SD224945  Euphorbia terracina Daryl Koutnik 1996-3-14 Los Angeles Santa Monica Mtns: Corral Canyon Road abuut 1/4 mi. N of Pacific Coast Highway, at crossing of Solstice Canyon. 10 Comment
  POM187601  Euthamia occidentalis Joseph A. Ewan 1931-10-24 5277 Los Angeles Santa Monica Mountains: 0.5 mile below Seminole Hot Springs. Comment
  SBBG131805  Extriplex californica S. A. Junak, B. Collins 1991-4-24 SCI 190 Los Angeles dune area, just N of Eel Cove Cyn, E side of dunes 42 Comment
  RSA0051676  Feijoa sellowiana Jack Pepper 1953-4-10 s.n. Los Angeles Cheviot Hills. Comment
  UCR180379  Festuca arundinacea Scott D. White, Pam Devries 2006-5-9 11411 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  UCR138858  Festuca microstachys L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon 0.25 mi SSW of Blum Ranch 915 Comment
  UCR153321  Festuca microstachys A. C. Sanders, T. B. Salvato 2005-4-26 29737 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  UCR260002  Festuca microstachys R. G. Swinney 2010-5-11 12632 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
  RSA0104991  Festuca myuros R. G. Swinney 2011-3-18 14147 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  UCR273183  Festuca myuros R. G. Swinney 2011-5-19 14758 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  LA13697  Festuca octoflora A. M. Johnson; 1935-4-23 4569 Los Angeles 228 Comment
  UC1871330  Festuca trachyphylla T. S. Ross 1993-5-14 7145 Los Angeles San Gabriel Mtns.; 220 m SSW of May Canyon Saddle and 380 m WNW of May Peak [3948'] 1113 Comment
  RSA0110559  Ficus carica Steven A. Junak, Keri Kirkland 1998-7-17 SCa- 773 Los Angeles Santa Catalina Island: on W side of lower portion of Silver Canyon, ca. 0.65 air miles inland from beach. 67 Comment
  SEINET10621141  Ficus carica Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2601 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  RSA191102  Filago californica R. F. Thorne, M. Z. Thorne 1967-6-25 27091 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA758242  Filago californica Orlando Mistretta, Christine Mistretta 2008-4-16 2464 -a Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  SFV16498  Foeniculum vulgare K. Tajbakhsh 1996-4-13 26 Los Angeles California Channel Islands Catalina Island. Fisherman's Bay. 50 m outside of USC Marine Research Station. Comment
  CAS-BOT-BC384173  Forestiera pubescens subsp. parvifolia Roxana S. Ferris 1918-6-12 902 Los Angeles Between Oban and Lancaster Comment
  UCR277196  Frangula californica subsp. californica R. G. Swinney 2010-9-30 13957 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
  CATA3177  Frankenia salina Julie L. King 2016-10-25 4 Los Angeles Santa Catalina Island: Near bathrooms at Parsons Landing 10 Comment
  RSA609139  Fraxinus dipetala Louis C. Wheeler 1932-6-18 835 Los Angeles San Dimas Canyon. 427 Comment
  OBI36774  Fraxinus velutina David J. Keil 1980-3-28 13741 Los Angeles Lower Shake campground near Lake Hughes 1311 Comment
  RSA162693  Fremontodendron mexicanum J. D. Olmsted 1958-3-11 56 Los Angeles Along SE edge of Blanchard Park; oak woodland with gradual southward drainage along San Antonio Creek on Pomona College campus 366 Comment
  SFV21405  Funastrum cynanchoides var. hartwegii L. Gross, N. Fraga, B. Hogshead 2002-3-21 497 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. South of La Tuna Canyon Road at end of Morning Glow Way. Near the main ridgetop south of Morning Glow. 412 Comment
  RSA600174  Galium andrewsii subsp. andrewsii Steve D. Boyd, Lauren Raz 1997-5-1 9666 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA771837  Galium angustifolium R. G. Swinney 2009-5-28 10917 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR155670  Galium angustifolium A. C. Sanders, Helen Kennedy 2005-4-13 29457 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR220357  Galium angustifolium R. G. Swinney 2009-4-15 10339 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  LA200800  Galium angustifolium subsp. angustifolium Norman A. Cole; May 1964 337 .9 Los Angeles SANTA MONICA MOUNTAINS, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico. Site 9. 152 Comment
  LA82081  Galium angustifolium subsp. angustifolium O. H. Kappler; 1940-7-1 65 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  RSA0020296  Galium angustifolium subsp. angustifolium Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5123 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA610980  Galium angustifolium subsp. angustifolium Louis C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: Fish Fork. 1098 Comment
  SBBG96792  Galium angustifolium subsp. angustifolium T. Ross, S. Boyd 1990-6-6 2821 a Los Angeles Green Valley Pasture, in San Francisquito Cyn Comment
  UC1584745  Galium angustifolium subsp. angustifolium Tim Ross and Annette Ross 1991-3-7 4147 Los Angeles westerly slope just below rocky ridgetop; western Pomona, Elephant Hill 292 Comment
  UC57011  Galium angustifolium subsp. angustifolium Ernest Braunton 1902-7-8 515 Los Angeles Sherman Comment
  RSA733122  Galium angustifolium subsp. gabrielense R. G. Swinney 1998-7-24 6571 Los Angeles San Gabriel Mtns.: upper Fish Fork of San Gabriel River. 1585 Comment
  SBBG128438  Galium catalinense M. L. Hoefs 1995-5-23 2076 Los Angeles lower Middle Ranch Cyn, near rd to Bullrush Cyn 115 Comment
  RSA187782  Galium catalinense subsp. catalinense Robert F. Thorne 1966-4-30 36349 Los Angeles Santa Catalina Island; mouth of Gallagher's Canyon. 8 Comment
  RSA678817  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1293 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.7 miles from trailhead out of Chantry Flat area. 854 Comment
  SBBG119351  Galium grande V. Soza with M. Acosta 2001-6-20 1298 Los Angeles N of Mt Bliss, along Van Tassel Truck Trail (FS Rd 1N36), ca. 0.15 mi N of jct with Van Tassel Ridge Rd (FS Rd 1N36A); T1N R10W S8, SW/4, NE/4 Comment
  UC1302436  Galium grande Robert F. Thorne 1964-1-25 34053 Los Angeles n Sierra Madre; Angeles National Forest, Arroyo Seco Section, Chantry Flats 762 Comment
  RSA596412  Galium hallii Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3349 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  JEPS56041  Galium johnstonii Lauramay T. Dempster 1966-6-16 4234 Los Angeles along Angeles Crest Hwy 2.9 mi above Upper Chilao Recreation Area Comment
  RSA0014589  Galium johnstonii Orlando Mistretta, Christine Mistretta 2011-6-18 5711 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  UCR223402  Galium johnstonii R. G. Swinney 2009-7-23 11399 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
  CATA796  Galium nuttallii subsp. insulare Mark L. Hoefs, Robert Given 1991-6-12 1365 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 304 Comment
  JEPS19523  Galium parishii Peter H. Raven with H. L. Wedberg 1957-8-17 11210 Los Angeles slopes near summit of mt. San Gabriel Mountains, Mount San Antonio 3048 Comment
  CATA2072  Gambelia speciosa 1929-4-20 Los Angeles Santa Catalina Island 0 Comment
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Apr 28 2015
  RSA507515  Gamochaeta pensylvanica L. C. Wheeler 1967-5-13 9546 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA779984  Garrya flavescens R. G. Swinney 2009-6-17 11218 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR147618  Garrya flavescens Naomi Fraga, LeRoy Gross, B. Hogshead 2004-5-20 1199 Los Angeles Transverse Ranges; San Gabriel Mountains region, North Fork of Lytle Creek, on slopes along north side of the canyon, northeast of Paiute Campground 1860 Comment
  UCR210734  Garrya veatchii R. G. Swinney 2009-1-19 10000 Los Angeles San Gabriel Mtns., Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  CDA5231  Gaura sinuata Johnson 1939-8-1 Los Angeles West Covina. 0 Comment
  POM249876  Gaura sinuata E. Johnson 1939-08 s.n. Los Angeles Citrus Ave., west of Cameron, West Covina. Comment
  UCR202514  Gayophytum R. G. Swinney 2001-8-9 8015 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  UCR206435  Gayophytum R. G. Swinney 2008-6-10 8983 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
  RSA597038  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3838 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  UCR271831  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-23 15299 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  RSA390986  Geranium carolinianum F. R. Fosberg 1931-4-15 s 4627 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA70502  Geranium carolinianum F. W. Peirson 1919-5-18 437 Los Angeles Monrovia Canyon, south base of San Gabriel Mts. 457 Comment
  UCR185591  Gilia A. C. Sanders 2007-4-25 33587 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  SEINET6969900  Gilia Wanda P. Vestal, A. G. Vestal 1955-3-26 3479 Los Angeles East side of road in field, Antelope Valley east of Fairmont on 110th Street. Comment
  RSA276106  Gilia angelensis Mark Hoefs, Doug Propst 1973-4-6 139 Los Angeles Santa Catalina Island: Middle of Cape Canyon. 304 Comment
  RSA674824  Gilia angelensis Scott D. White, Sandy Leatherman, D. E. Bramlet, A. O'Neal, W. Sangkatavat 2001-4-24 8408 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  UC880105  Gilia angelensis Alice Eastwood May 27 1906-Jun 10 1906 43 Los Angeles Garvanza country adjacent to Los Angeles, Garvanza Comment
  RSA555412  Gilia angelensis Patricia Wilder 1963-1 2004 Los Angeles Distillery. Comment
  RSA72292  Gilia angelensis F. W. Peirson 1918-5-26 157 Los Angeles Hennigers Flat, Mt. Wilson Toll Road 853 Comment
  RSA78148  Gilia angelensis Verne Grant 1953-5-2 18437 Los Angeles Santa Catalina Island. On headland south of mouth of Gallagher Canyon. 46 Comment
  RSA0116741  Gilia brecciarum subsp. brecciarum W. Wisura 2001-4-30 5154 Los Angeles San Gabriel Mts.: Hwy N4 9.4 mi N. fr. jctn. with Hwy 2. Comment
  RSA783536  Gilia capitata J. D. Olmsted 1958-10-26 115 Los Angeles Near eastern boundary of Los Angeles County. Blanchard Park on Pomona College campus. 366 Comment
  POM3532  Gilia capitata subsp. abrotanifolia I. M. Johnston 1917-5-6 s.n. Los Angeles Evey Canon, north of Claremont. 685 Comment
  RSA570061  Gilia capitata subsp. abrotanifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4888 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity 492 Comment
  UC52708  Gilia capitata subsp. abrotanifolia J. Burtt Davy May 9 1896-May 24 1896 2638 c Los Angeles Leonis Valley Antelope Valley, Leonis Valley Comment
  LA206520  Gilia capitata subsp. abrotanifolia C. B. Wolf; 1936-4-26 7775 Los Angeles San Fernando Valley, W side of Burbank at Victory Blvd and Elm Ave 152 Comment
  UCR102537  Gilia interior George K. Helmkamp 1997-3-6 1344 Los Angeles Western Mojave Desert, west of Lancaster at 125th St. & Calif. Hwy 138 762 Comment
  CAS-BOT-BC226334  Gilia latiflora subsp. davyi L. R. Abrams 1927-4-30 11725 Los Angeles Head of Antelope Valley Comment
  RSA469411  Gilia latiflora subsp. davyi Marjorie Shaw, Edna S. Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Bouquet Canyon. Comment
  RSA469632B  Gilia modocensis H. E. Hasse 1906-7-1 1610 Los Angeles Big Rock Creek. Comment
  PASA790  Gilia multicaulis Sally Ellis 1939-3-24 Los Angeles Claremont Comment
  SEINET3163605  Gilia multicaulis G. B. Grant 511 Los Angeles Sangus [?-illegible] Comment
  RSA233399  Gilia nevinii R. F. Thorne 1966-4-17 36100 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  RSA0016256  Gilia ochroleuca subsp. bizonata Steve Boyd, Lauren Raz 1997-3-25 9315 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UC1870156  Gilia ochroleuca subsp. vivida LeRoy Gross, Valerie Soza 2003-6-10 1021 Los Angeles San Gabriel Mountains region: Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., ca. 2.5 mi S of Mount San Antonio summit along trail. 2407 Comment
  RSA0017160  Gilia ochroleuca subsp. vivida Anstruther Davidson 1895-6-6 1943 Los Angeles Mt. Wilson Comment
  UCR189260  Gilia sinuata R. G. Swinney 1998-5-16 6062 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR142905  Gilia splendens R. F. Thorne 1963-7-11 32774 Los Angeles San Gabriel Mtns., Angeles National Forest, along road to Upper Shake Campground, c. 3 mi west of Lake Hughes 1402 Comment
  RSA608506  Gilia tricolor L. C. Wheeler 1930-6-7 52 Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  RSA603907  Githopsis diffusa subsp. diffusa L. C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mountains: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  SFV12655  Glinus lotoides M. H. Grayum, H. Grayum 1977-11-27 903 Los Angeles San Fernando Valley Big Tujunga Wash. In caked, hard mud flats just behind Hansen Dam. 305 Comment
  UCSB51745  Glycyrrhiza lepidota Hodgson, John 1928-7-17 Los Angeles Along creek below Peace Valley, Santa Barbara-Tejon forest 609 Comment
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Apr 1 2015
  POM358777  Gnaphalium californicum F. R. Fosberg 1931-4-2 4449 Los Angeles Santa Catalina Island. Camp Frost 300 Comment
  RSA0036802  Gnaphalium californicum Louis Van Velzen 1987-5-19 87 -16 Los Angeles Walnut Creek Co. Pk., west of San Dimas, on trail between Scarborough St. and 210 Fwy. Comment
  UCR73399  Gnaphalium californicum T. S. Ross, O. Mistretta, M. Hammitt 1991-5-18 5199 Los Angeles San Clemente Island, 1300 ft NNW of Guds marker 268 Comment
  RSA004471  Gnaphalium californicum Fay A. MacFadden 1931-4-17 2967 Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA658315  Gnaphalium californicum D. G. Tanner 1989-5-31 sx- 23 Los Angeles Fish Canyon Wash. Comment
  POM358815  Gnaphalium chilense F. R. Fosberg 1930-7-3 3022 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA177875  Gnaphalium chilense R. F. Thorne, P. Everett 1965-5-10 34429 a Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  SEINET11849353  Gnaphalium chilense J. F. Bright, Wyman, C. 1931-1 5691 Los Angeles Hollywood Comment
  RSA598574  Gnaphalium luteoalbum L. C. Wheeler 1966-11-23 9145 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  CATA1225  Gnaphalium palustre Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2291 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  SBBG122109  Gnaphalium palustre A. Parikh, N. Gale 2003-5-24 738 Los Angeles Plum Cyn, 1.6 km SW of Cruzan Mesa, 2.8 km W of Sierra Hwy 570 Comment
  POM358905  Gnaphalium palustre B. C. Templeton 1934-10-13 4802 Los Angeles Los Angeles River Comment
  LA32028  Grindelia camporum var. bracteosa Henry J. Thompson; 1959-5-24 2034 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi E of peak 701 Comment
  UCR138522  Grindelia camporum var. bracteosa L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns, Bluebird Truck Trail, near Big Dalton Canyon 732 Comment
  RSA535720  Guillenia lasiophylla Timothy S. Ross 1991-4-22 5473 Los Angeles San Clemente Island, Spray Canyon, short Canyon 2400ft ENE of Spray (which in turn is 5200ft N of Eel Point), W side of island. 99 Comment
  POM359223  Gutierrezia californica Fordyce Grinnell Jr 1915-9-6 s.n. Los Angeles Pasadena. Comment
  UC63374  Gutierrezia californica Ernest Braunton 1902-7-1 570 Los Angeles Griffith Park Los Angeles, Griffith Park Comment
  SBBG113261  Hainardia cylindrica S. A. Junak 1997-6-6 SCa 436 Los Angeles N end of upper Buffalo Springs Reservoir, just NW of airport 435 Comment
  CLARK-A1528-1893  Haplopappus venetus John C. Roos 1942-9-12 1720 Los Angeles Comment
  RSA640647  Hazardia cana Steven A. Junak 1996-10-1 SCI- 693 Los Angeles San Clemente Island: middle portion of Horse Canyon, 1.2 miles SW of Thirst Peak. 372 Comment
  JEPS19465  Hazardia squarrosa var. grindelioides Peter H. Raven 1957-9-21 11325 Los Angeles nw end U.C.L.A. Campus; Los Angeles, U.C.L.A. Campus Comment
  SFV3960  Hazardia squarrosa var. grindelioides K. A. Wilson 1963-10-26 1315 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  UCR271587  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-11-3 15996 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  UCR190290  Helenium bigelovii R. G. Swinney 1998-8-1 6627 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  RSA93873  Helenium puberulum F. W. Peirson 1923-10-21 4228 Los Angeles Sunset Canyon, Verdugo Mountains 457 Comment
  RSA0094720  Helianthemum scoparium R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14341 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  UCR197194  Helianthemum scoparium Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 672 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  OBI62817  Helianthus annuus Peter Gray 1971-2-20 15 Los Angeles 1/8 mi W of Rinaldi and Zelzah intersectin in Granada Hills Comment
  CHSC95512  Helianthus gracilentus LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1090 Los Angeles Transverse Ranges: Verdugo Mountains region: North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Low foothills north of the 210 freeway. We followed the firebreak southwest. 598 Comment
  UC579452  Helianthus gracilentus A. D. Gifford 1935-5-8 684 Los Angeles 2.5 mi s Warm Springs; Tehon Quadrangle, Elizabeth Lake Canyon 487 Comment
  RSA590599  Helianthus gracilentus Timothy S. Ross, Walter Appleby 1993-5-13 7133 Los Angeles Western San Gabriel Mts: Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll. 817 Comment
  UCR206526  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2009-5-19 36821 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA650980  Heliotropium curassavicum T. Strid 1972-6-10 s.n. Los Angeles Puddingstone Dam. 274 Comment
  POM369742  Heliotropium curassavicum var. oculatum M. Salino 1943-07 s.n. Los Angeles vacant lot near Bimini Baths Comment
  UCR65221  Hemizonia clementina R. M. Beauchamp 1967-3-18 309 Los Angeles Channel Islands, San Clemente Island, field west of Wilson Cove Comment
  RSA713814  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2005-5-24 30272 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area. ca. 0.5 mi. NW of community of Mint Canyon 549 Comment
  POM360264  Hemizonia fasciculata F. R. Fosberg 1930-6-23 2943 Los Angeles Del Rey. 1 Comment
  RSA696928  Hemizonia fasciculata R. H. McArthur 1932-4-30 s.n. Los Angeles Limestone Bouscout Camp. Comment
  UCR204270  Hemizonia parryi subsp. australis Julie A. Greene 1997-9-12 s.n. Los Angeles South Coast, Long Beach area, intersection of Pacific Coast Hwy (Calif. Hwy 1) and Studebaker Road, near Long Beach Marina 5 Comment
  LA35607  Hesperocnide tenella A. K. Khudairi; 1951-5-16 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UC1870284  Hesperocnide tenella LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 966 Los Angeles Transverse Ranges; Verdugo Mountains region; West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast o ... 549 Comment
  CAS-BOT-BC403836  Hesperocnide tenella E. Braunton 1902-1-1 s.n. Los Angeles L.A. Comment
  POM214597  Hesperocnide tenella Louis C. Wheeler 1932-4-23 649 Los Angeles Mandeville Canyon, Santa Monica Mountains. 137 Comment
  SEINET10873416  Heterocodon rariflorum Robert F. Thorne, C. W. Tilforth 1971-6-30 Thorne 40768 Los Angeles SAN GABRIEL MTS. S FORK OF LITTLE ROCK CR 0.3 MI BELOW ALDER SADDLE 5300 Comment
  POM243800  Heteromeles arbutifolia F. R. Fosberg 1931-4-10 s- 4552 Los Angeles Santa Catalina Island. Avalon Canyon. 90 Comment
  SBBG13796  Heteromeles arbutifolia M. A. Piehl 1962-10-3 62496 Los Angeles near jct of main rd and White's Landing Rd Comment
  SD253540  Heteromeles arbutifolia R. G. Swinney 2011-3-26 14233 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  CAS-BOT-BC318860  Heterotheca grandiflora Ernest Braunton 1902-8-1 638 Los Angeles Echo Park Comment
  UCR95536  Heterotheca grandiflora L. C. Wheeler 1966-9-21 8900 Los Angeles San Gabriel Mtns., North Fork San Gabriel River, 1/4 mi west of intersection of main road with road to upper Bichota Cyn. 930 Comment
  CAS-BOT-BC318849  Heterotheca grandiflora Herman Knoche 1919-6-25 916 Los Angeles Santa Catalina Island Comment
  RSA0074407  Heterotheca grandiflora M. B. Dunkle 1928-11-25 2036 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  RSA0075648  Heterotheca grandiflora Joseph M. Keefe 1978-5-23 23276 A Los Angeles Verdugo Mountains: Summit of hill, 200 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 317 Comment
  CAS-BOT-BC311265  Heterotheca sessiliflora subsp. echioides Moxley 1920-8-28 819 Los Angeles Garapito Canyon, Santa Monica Mts. Comment
  RSA93363  Heterotheca sessiliflora subsp. fastigiata F. W. Peirson 1921-10-9 4735 Los Angeles Delta Canyon, tributary to Tujunga Creek, west end of San Gabriel Mountains. 915 Comment
  CAS-BOT-BC48129  Heuchera elegans W. R. Dudley 1899-7-20 s.n. Los Angeles Mount Lowe Comment
  UC457281  Heuchera elegans Martha Hilend 1929-5-14 Los Angeles Mt. Lowe 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
  RSA0085498  Hieracium argutum R. G. Swinney 2010-8-9 13454 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
  SD52888  Hirschfeldia incana Peter H. Raven 1962-5-9 17660 Los Angeles San Clemente Island; near observation point on slope overlooking Pyramid Cove. 170 Comment
  RSA599764  Hordeum marinum subsp. gussoneanum Steve Boyd, Dave Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9783 Los Angeles Along Old Ridge Route north of Templin Highway and northwest of the confluence of Castaic Creek and Fish Creek, ca 600m southeast of transit station Hiway., Near 34? 37' 00N 118 ? 40' 58.8W 975 Comment
  RSA12281  Hordeum murinum subsp. glaucum C. B. Wolf 1934-4-11 5656 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
  RSA651786  Hordeum murinum subsp. glaucum Richard L. Herrin 1948-3-29 s.n. Los Angeles Corner of Olive Avenue & Kenneth Road in vacant lot in Burbank. Comment
  RSA592139  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-4-30 9209 Los Angeles San Gabriel Mountains; foothills, NW end, between Bouquet Junction and Bonelli Ranch. 366 Comment
  SBBG31111  Hordeum vulgare R. F. Thorne 1966-4-29 Los Angeles above ranch in Middle Ranch Cyn 228 Comment
  CAS-BOT-BC532299  Horkelia cuneata var. puberula C. F. Baker 1904-4-20 4760 Los Angeles Pacific Coast, Claremont Comment
  CAS-BOT-BC532301  Horkelia cuneata var. puberula John I. Carlson 1918-4-26 s.n. Los Angeles Country adjacent to Los Angeles, Griffith Park Comment
  UC10310  Hornungia procumbens A. Davidson 1893-5-11 Los Angeles Del Sur Comment
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Jan 26 2011
  LA47883  Hosackia crassifolia var. crassifolia Mary V. Hood; 1943-7-11 43- 85 k* Los Angeles near Charlton Flat 1310 Comment
  SEINET480194  Hulsea vestita subsp. parryi D. Wilken 1973-6-1 Los Angeles Angeles Crest Hwy, 3 miles east of Chilao, San Gabriel Mountains Comment
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Aug 6 2019
  LA211176  Hydrocotyle verticillata Arthur C. Gibson; Tarja Sagar, Tony Valois 2008-9-11 5342 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, next to bridge near Century Lake. Comment
  RSA453776  Hydrocotyle verticillata Anstruther Davidson s.n. Los Angeles Malibu Creek. Comment
  CAS-BOT-BC312938  Hypochaeris glabra Robert F. Thorne 1971-3-31 41435 Los Angeles San Gabriel Mts.: Johnson's Pastures, N of Mountain Ave., Claremont 548 Comment
  RSA276043  Hypochaeris glabra Jack Delaini 1974-4-25 125 Los Angeles Lodi Canyon, San Dimas Experimental Forest. 427 Comment
  SEINET10637909 Image available Ipomoea batatas Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3802 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  CHSC62038  Isocoma menziesii var. menziesii L. P. Janeway 1993-10-5 4606 Los Angeles Puente Hills; at the head of Arroyo San Miguel. Dirt road and drilling pad. 228 Comment
  CATA1789  Isocoma menziesii var. vernonioides Benjamin E. Carter, John R. Clark 2012-8-9 6973 Los Angeles Santa Catalina Island: Twin Peaks, a ridge of limestone forming southwestern rim of Bulrush Canyon 390 Comment
  POM156145  Isocoma menziesii var. vernonioides L. R. Abrams 1904-9-2 4171 Los Angeles Elysian Park. Comment
  UC1746498  Isocoma menziesii var. vernonioides A. C. Sanders with D. Malueg, K. D. Jones 1999-11-19 23257 Los Angeles upper Limekiln Cyn; Santa Susana Mountains; Aliso Canyon Oil Field, Oat Mountain; Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds. This from upper Limekiln Cyn. near So Cal Gas office, SW/4 S27. 595 Comment
  SEINET10758454  Isocoma menziesii var. vernonioides David B. Dunn 1946-8-30 Dunn 2764 Los Angeles Faculty Hill near Floriculture area. Comment
  UC1211082  Isomeris arborea Huron H. Smith 1912-5-30 5033 Los Angeles road to Cherry Canyon, Santa Catalina Island; Santa Catalina Island 7 Comment
  CATA3426  Jacaranda mimosifolia Tobias Nickel, Julia Parish, Jamie Choi, Stuart Olshevski 2017-4-12 002 Los Angeles Santa Catalina Island: Channel side; Hamilton Cove, intersection of Marde Cortez and Alta Vista 54 Comment
  RSA249739  Jepsonia malvifolia R. F. Thorne 1973-2-12 42462 Los Angeles Blue Cavern Point, Santa Catalina Island. 61 Comment
  RSA0011195  Juglans californica Elna Pantolin 1951-11-11 s.n. Los Angeles Cedars Springs Comment
  RSA787251  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37167 Los Angeles Pomona, between Mt. San Antonio College and Cal Poly Pomona on Temple Ave., at crest of pass 245 Comment
  UCR209209  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37168 Los Angeles San Gabriel Valley, Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  SEINET10476753  Juglans californica Lyman D. Benson 1949-4-29 Benson 13597 Los Angeles Puente hills, 4 miles sw of pomona, california oak woodland, north slope heavy Soils 305 Comment
  RSA592231  Juglans californica var. californica Louis C. Wheeler 1967-4-30 9251 Los Angeles Foothills ca. 1/10 mile SE of mouth of Pacoima Canyon, ca. 300 yards from Pacoima Wash. 473 Comment
  SFV838  Juglans californica var. californica K. A. Wilson 1961-3-12 1011 Los Angeles Santa Monica Mountains Decker Road (Los Alisos Canyon), 1 mile north of Coast Highway. 180 Comment
  CAS-BOT-BC354032  Juglans hindsii R. E. Riefner, Jr. 2014-1-1 14 -20 Los Angeles La Habra Heights, Puente Hills, Fullerton Rd. East ca 0.2 mi from Skyline Dr. 254 Comment
  CDA39156  Juncus balticus Robert Gustafson 1981-5-26 2232 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; Ballona Wetlands, Area 2. Just east of the Gas Company plant. 0 Comment
  RSA0083162  Juncus bufonius R. G. Swinney 2010-5-11 12694 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
  RSA583063  Juncus bufonius Timothy S. Ross 1993-4-22 6900 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); 750 meters due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 320 Comment
  RSA611959  Juncus bufonius var. occidentalis L. C. Wheeler 1953-03 7031 Los Angeles San Gabriel River at Whittier Narrows Dam. Comment
  SEINET3880049  Juncus macrophyllus Timothy S. Ross, Steve Boyd; Steve W. Burns 1994-7-7 8141 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3, 4, 9, 10). Liebre Mountain 7.5' USGS Quadrangle.; 0 1676 Comment
  CATA755  Juncus mexicanus Mark L. Hoefs 1991-5-22 1284 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  UCR172295  Juncus mexicanus Anuja Parikh, Nathan Gale 2005-7-16 2141 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  RSA735910  Juncus patens Justin M. Wood 2008-5-31 6 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  RSA646280  Juncus rugulosus Orlando Mistretta 1992-7-14 716 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UC142404  Juncus textilis Ernest Braunton Sep 1902 666 Los Angeles Los Angeles River Comment
  RSA69861  Juncus torreyi F. W. Peirson 1928-9-4 8186 Los Angeles about 1 mile above Pallett Creek Comment
  RSA228872  Juncus xiphioides Robert F. Thorne 1971-6-26 40629 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  UCSB6149  Keckiella antirrhinoides Gill, Robert 1959-4-16 Los Angeles Pomona College 365 Comment
  CAS-BOT-BC235637  Keckiella breviflora var. breviflora Dr. A. Davidson 1892-7-1 s.n. Los Angeles Lancaster; Mojave Desert Comment
  CATA214  Keckiella cordifolia Mark L. Hoefs, A. Douglas Propst 1973-4-24 199 Los Angeles Santa Catalina Island: Upper Descanso Canyon, west fork 198 Comment
  CATA237  Keckiella cordifolia Mark L. Hoefs, A. Douglas Propst 1973-5-4 232 Los Angeles Santa Catalina Island: Lower Middle Canyon 144 Comment
  LA103228  Keckiella cordifolia Barry A. Prigge; 1985-6-14 6393 a Los Angeles Santa Monica Mountains, Cold Creek Canyon near upper gate to Cold Creek Preserve on Stunt Rd 661 Comment
  POM158296  Keckiella cordifolia M. B. Dunkle 1928-3-11 1732 Los Angeles Santa Catalina Island. Upper Canyon slopes, Grand Canyon. Comment
  RSA0055980  Keckiella cordifolia Richard G. Swinney 2010-5-25 12980 Los Angeles San Gabriel Mountains; just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA167830  Keckiella cordifolia Robert F. Thorne, Percy C. Everett 1964-2-7 33485 Los Angeles Santa Catalina Island. Along creek in Middle Canyon below dam. 152 Comment
  UC1211019  Keckiella cordifolia Huron H. Smith 1912-6-13 5103 Los Angeles Santa Catalina Island; Rock Spring Canyon 91 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
  RSA305732  Keckiella ternata subsp. septentrionalis Henry J. Ramsey, Henry J. Ramsey 1937-6-27 922 Los Angeles Half Way, Old Ridge Route, Liebre Mts., Angeles National Forest. Comment
  CAS-BOT-BC246114  Keckiella ternata var. ternata Geo. B. Grant 1904-6-27 1796 Los Angeles Mt. Lowe 1828 Comment
  CAS-BOT-BC176819  Kochia californica Ernest C. Twisselmann 1970-9-8 17492 Los Angeles Antelope Valley: Highway 14 at Avenue A 762 Comment
  POM50838  Kochia californica A. D. E. Elmer 1902-06 3717 Los Angeles Lancaster. Comment
  UCR125621  Koelreuteria bipinnata A. C. Sanders 2003-5-22 26812 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA0012049  Kyllinga brevifolia Steve Boyd 2005-7-27 11634 Los Angeles Pasadena, southeastern side of campus of California Institute of Technology, just west of front entrance to the Athenaeum (Faculty Club) 247 Comment
  CATA1250  Lagunaria patersonia Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2330 Los Angeles Santa Catalina Island: Catalina Harbor 3 Comment
  CAS-BOT-BC273834  Lamarckia aurea LeRoy Abrams 1903-4-9 3244 Los Angeles Inglewood 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
  POM352649  Lamarckia aurea Jack Rempel 1932-3-27 s.n. Los Angeles El Segundo. Comment
  RSA640454  Lamarckia aurea L. C. Wheeler 1967-5-15 9596 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  SBBG19131  Lamarckia aurea M. A. Piehl 1963-12-7 631077 Los Angeles across SE tip of Pyramid Head E of Triangulation Pt "Rock" 12 Comment
  CAS-BOT-BC338132  Lasthenia californica A. R. Kruckeberg 1940-3-9 s.n. Los Angeles Summit of Pine Canon [Canyon] Road, Liebre Mts. Comment
  POM361492  Lasthenia californica Elbert Benjamine 1929-3-31 s.n. Los Angeles Palmdale Comment
  RSA92920  Lasthenia californica F. W. Peirson 1918-4-28 1371 Los Angeles Summit of Turnbull Canyon, hills above Whittier Comment
  RSA0055760  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 Mac 399 Comment
  RSA626404  Lasthenia coronaria LeRoy Gross 1999-4-16 134 Los Angeles Big Tujunga Wash, east of 210 freeway 366 Comment
  SEINET10616993  Lasthenia debilis David B. Dunn 1947-4-16 Dunn 2942 Los Angeles Comp. found 1 1/2 miles north of Palmdale. Comment
  UCR281594  Lasthenia gracilis R. G. Swinney 2014-4-10 16043 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
  UCR90272  Lasthenia gracilis Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  CAS-BOT-BC366279  Lasthenia minor Samuel B. Parish 1887-6-1 1926 Los Angeles Elizabeth Lake Comment
  UCR178387  Lathyrus vestitus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 717 Los Angeles Transverse Ranges: Verdugo Mountains, south side of mountains, off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. West-descending ridge down into Brand Canyon on east side of Brand Canyon 576 Comment
  POM180175  Lathyrus vestitus subsp. laetiflorus Joseph A. Ewan 1929-4-27 3705 Los Angeles North end Verdugo Range, at Sunland. 365 Comment
  RSA405685  Lathyrus vestitus subsp. laetiflorus H. L. Bauer 1931-3-1 13947 Los Angeles Tunas Canyon near Topanga Canyon. Comment
  RSA60204  Lathyrus vestitus subsp. laevicarpus E. K. Balls, L. W. Lenz 1950-3-28 14454 Los Angeles 12 miles south of Castaic, hwy 99. 335 Comment
  RSA191034  Lathyrus vestitus var. vestitus R. F. Thorne 1963-5-5 32293 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  CAS-BOT-BC321506  Layia glandulosa Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles Comment
  JEPS32793  Layia glandulosa E. R. Blakley 1958-5-9 2264 Los Angeles 2 mi e Gorman 1097 Comment
  SJSU5534  Layia glandulosa C. W. Sharsmith 1957-4-13 6374 Los Angeles c. 1 mi S of Gorman 1066 Comment
  SBBG54395  Layia platyglossa M. Hastings 1965-4-7 21 Los Angeles Pomona College, Blanchard Park, Claremont Comment
  SDSU4717  Layia platyglossa R. M. Beauchamp 1967-1-29 156 Los Angeles West and below Marine Outpost; San Clemente Island. Comment
  POM155627  Layia platyglossa subsp. campestris M. L. Bryan 1928-6-2 23 Los Angeles Mandeville Canyon, near Santa Monica Mts Comment
  RSA11174  Layia platyglossa subsp. campestris C. B. Wolf 1926-4-3 197 Los Angeles 1/2 mile east of San Fernando Comment
  UCR119565  Lemna minuta L. C. Wheeler 1952-11-29 7012 Los Angeles San Gabriel Mtns., Wildwood Canyon. Foothills north of San Dimas Comment
  RSA725595  Lepechinia fragrans Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 415 Los Angeles Santa Catalina Island. Boushay Canyon below Silver Peak Road. 356 Comment
  UC712433  Lepidium flavum C. W. and H. K. Sharsmith 1935-1-3 1427 Los Angeles near Lovejoy Buttes; Mojave Desert 914 Comment
  UCR124757  Lepidium fremontii B. C. Templeton 1930-5-19 1457 Los Angeles San Gabriel Mtns., Mint Canyon, near Mojave Desert 854 Comment
  UCR189656  Lepidium fremontii R. G. Swinney 1998-5-16 6059 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  SBBG20503  Lepidium lasiocarpum var. lasiocarpum E. R. Blakley 1963-12-7 6366 Los Angeles E of the mouth of Chenity Cyn in Pyramid Cove 7 Comment
  CATA1573  Lepidium nitidum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2842 Los Angeles Santa Catalina Island: By upper end of road to Toyon Beach 411 Comment
  RSA151243  Lepidium nitidum P. H. Raven 1962-4-9 17134 Los Angeles Near barracks, Wilson Cove, San Clemente Island 61 Comment
  UC1595415  Lepidium pinnatifidum Tim Ross and Annette H. Ross 1991-7-29 5712 Los Angeles n base Elephant Hill (n-most point of the Puente Hills, w Pomona); Pomona, Puente Hills, San Dimas U.S.G.S. 7.5' Quad. 240 Comment
  SEINET13203170 Image available Lepidium virginicum R. G. Swinney 2010-1 12483 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. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  UCR191186  Lepidium virginicum R. G. Swinney 1999-7-28 7585 Los Angeles San Gabriel Mtns., Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence 951 Comment
  CAS-BOT-BC328062  Lepidospartum squamatum Geo. B. Grant 1906-9-14 7184 Los Angeles Pasadena Comment
  RSA593425  Lepidospartum squamatum Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8896 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UC455508  Lepidospartum squamatum I. J. Condit 1908-7-28 Los Angeles Hollywood Comment
  UC527637  Lepidospartum squamatum C. B. Wolf 1931-7-2 2267 Los Angeles 1/2 mi above the bridge Road from Sunland to San Fernando; Little Tujunga Wash 335 Comment
  UCR124766  Lepidospartum squamatum B. C. Templeton 1932-8-26 5114 Los Angeles San Gabriel Mtns., Big Rock Creek, near Vincent Gap, Angeles National Forest 1905 Comment
  UCR212797  Lepidospartum squamatum Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1839 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UCSB6628  Lepidospartum squamatum Ballard 1954-9-28 Los Angeles One mile north of Route 66, Claremont 289 Comment
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Nov 5 2014
  UCR124643  Leptodactylon californicum B. C. Templeton, I. W. Clokey 1936-5-18 5661 Los Angeles San Gabriel Mountains, San Gabriel Canyon, from 0.5 mi. below dam to 1.0 mi. above 488 Comment
  PASA2013  Leptodactylon californicum Margaret Stason 1931-4-18 Los Angeles near Crystal Lake Comment
  SBBG112781  Leptosiphon bicolor S. A. Junak 1998-4-4 SCa 532 Los Angeles Little Ripper's Cyn 73 Comment
  RSA230189  Leptosiphon breviculus R. F. Thorne 1969-7-2 38226 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  RSA587538  Leptosiphon breviculus Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1114 Los Angeles Santiago Canyon. Ridge on W edge of Santiago Cyn. watershed, approximatly 1 mi. S of Mt. Emma. 1387 Comment
  SD255256  Leptosiphon breviculus Orlando Mistretta, Christine Mistretta 2005-4-21 2052 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  UCD118460  Leptosiphon breviculus Robert F. Thorne; M. Z. Thorne 1967-7-19 37174 Los Angeles San Gabriel Mountains, Angeles National Forest; Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  RSA73032  Leptosiphon breviculus F. W. Peirson 1929-7-1 8443 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  SD231200  Leptosyne bigelovii Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 6 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCSB43816  Leptosyne gigantea Morales, M. 1982-4-18 Los Angeles On Crescent Road 0.6 miles east of Avalon on Abalone Point 9 Comment
  CAS-BOT-BC339284  Lessingia glandulifera var. glandulifera Ernest Braunton 1902-9-1 694 Los Angeles Arroyo Seco Comment
  RSA530044  Lessingia glandulifera var. glandulifera T. S. Ross 1991-8-16 5834 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  UCR164532  Lessingia glandulifera var. glandulifera T. B. Salvato, Sandra Murcia 2005-11-1 1249 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel east of 46th St., 0.1 mi past Hwy 138 on Palmdale Blvd, and south of Avenue Q 793 Comment
  RSA529905  Lessingia glandulifera var. glandulifera T. S. Ross 1991-8-16 5812 Los Angeles Sulphur Springs Rd., .95 mile (as the crow flies) due W of its junction with Angeles Crest Hwy 1817 Comment
  SEINET10595835  Leymus condensatus LeRoy R. Abrams 1902-7-2 Abrams 2638 Los Angeles Little Santa Anita canyon, Sierra Madre. Comment
  PASA2350  Libocedrus Los Angeles PHS grounds, Pasadena Comment
  UCSB6815  Lilium humboldtii Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon, 2 mi. from 101 Comment
  UC908215  Linanthus breviculus Herbert L. Mason 1926-4-27 3036 Los Angeles Rock Creek, Mohave Desert slope of San Gabriel Mountains San Gabriel Mountains Comment
  CAS-BOT-BC226765  Linanthus californicus V. June Wetherell; C. F. Quibell 1960-4-29 242 Los Angeles Angeles National Forest, along road to Crystal Lake Recreation Area Comment
  POM230717  Linanthus californicus I. W. Clokey, B. C. Templeton 1936-5-18 6805 Los Angeles San Gabriel Canyon. Comment
  SD45586  Linanthus californicus Darley F. Howe 1953-5-31 Los Angeles Arroyo Seco, San Gabriel Mountains. 671 Comment
  UCD118502  Linanthus dianthiflorus Robert F. Thorne Date Unknown 34461 Los Angeles N slope of Black Jack Mountain, Santa Catalina Island. 457 Comment
  POM9666  Linanthus dianthiflorus subsp. dianthiflorus P. A. Munz 1920-2-24 3244 Los Angeles 3 miles north of Claremont. 427 Comment
  UC908269  Linanthus dichotomus Herbert L. Mason 1926-4-27 3023 Los Angeles Rock Creek San Gabriel Mountains Comment
  UCR50984  Linanthus parryae A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7776 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  POM65867  Linanthus parryae H. M. Hall 1902-5-1 3049 Los Angeles Vicinity of Elizabeth Lake. 915 Comment
  RSA721301  Linaria canadensis var. texana R. G. Swinney 1998-4-11 5937 Los Angeles Claremont, 0.5 mi. to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr 768 Comment
  SFV1589  Lithophragma affine K. A. Wilson 1961-3-14 1029 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Seminole Hot Springs. 460 Comment
  CAS-BOT-BC426268  Lithophragma affine Reid Moran 1941-3-6 682 Los Angeles North side of a bank, Middle Ranch Conyon, Santa Catalina Island 300 Comment
  UCD102697  Lithophragma affine Daryl Koutnik; John Cuti 1978-4-12 345 Los Angeles Northeastern Verdago Mountains near La Tuna Canyon. 609 Comment
  SBBG69641  Lobelia cardinalis unknown -Sep-1893 Los Angeles Los Angeles County [no specific locality] Comment
  UCR277178  Logfia depressa R. G. Swinney 2011-4-19 14414 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  CAS-BOT-BC342186  Logfia filaginoides Geo. B. Grant 1902-5-10 s.n. Los Angeles Arcadia Comment
  SBBG63178  Logfia filaginoides M. N. Ackley -May-1926 215 Los Angeles Ranger Station, Big Tujunga 511 Comment
  SBBG131659  Logfia gallica S. A. Junak 1999-5-20 SCa 941 Los Angeles just S of Cottonwood-Black Jack Rd, along N side of Escondido Cyn 323 Comment
  RSA653619  Lolium perenne subsp. multiflorum Monica Acosta 1998-5-26 24 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona) 226 Comment
  RSA762299  Lolium perenne subsp. multiflorum Orlando Mistretta, Christine Mistretta 2008-5-5 2653 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  SEINET12118775  Lomatium caruifolium Unknown 1936-1 12723 Los Angeles Santa Monica Mts., Mt. Malabu Comment
  LA201144  Lomatium dasycarpum Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SFV21399  Lomatium dasycarpum subsp. dasycarpum L. Gross 2002-4-13 529 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Entered at the corners of Ledge Ave. & Tuxford St. off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow Hills where Sunland Blvd. runs through. 305 Comment
  SFV2586  Lomatium lucidum R. L. Armacost 1957-5-7 853 Los Angeles Santa Monica Mountains Zuma Canyon. Comment
  SD260164  Lomatium mohavense R. G. Swinney 2010-5-19 12808 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd, just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy. 1335 Comment
  RSA0115704  Lomatium nevadense Andrew C. Sanders 2008-4-10 34802 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c.1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  SBBG59746  Lomatium utriculatum R. Hoffmann 1932-4-27 Los Angeles alkaline flat NW of Lancaster Comment
  CAS-BOT-BC240744  Lonicera interrupta Le Roy Abrams; E. A. McGregor 1908-6-19 395 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA596027  Lonicera interrupta T. S. Ross, J. Mark Porter 1995-5-4 8445 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SBBG44570  Lonicera interrupta Leota Davidson 1966-5-15 269 Los Angeles Oak Flat Cmpgrd on Ridge Route, Hwy 99 Comment
  SBBG69577  Lonicera interrupta R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  UCR172461  Lonicera interrupta Anuja Parikh, Nathan Gale 2005-6-2 2113 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, SW of Magic Mountain, study area 46 366 Comment
  RSA670312  Lonicera subspicata Joseph M. Keefe 2001-3-16 31110 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  RSA733769  Lonicera subspicata R. G. Swinney 2000-6-19 7811 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA802340  Lonicera subspicata var. denudata Orlando Mistretta, Christine Mistretta 2011-7-7 5925 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  UC1745899  Lonicera subspicata var. denudata Annetta M. Carter, Arthur Carter 1935-9-8 954 Los Angeles Canyon at head of Auburn Ave. Sierra Madre. 381 Comment
  RSA515111  Lotus argophyllus var. adsurgens Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-30 803 -1 Los Angeles San Clemente Island: Pyramid Head, S end of island 15 Comment
  POM147966  Lotus hamatus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UCR276983  Lotus procumbens R. G. Swinney 2010-6-1 13156 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
  UCR189667  Lotus purshianus R. G. Swinney 1998-7-6 6279 Los Angeles San Gabriel Mtns., 0.2 mi. up western tributary of Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  UCR78570  Lotus purshianus R. G. Swinney 1993-6-10 2256 Los Angeles San Gabriel Mtns., San Gabriel Mountains, 1.5 mi. east of Glendora Mountain Road at Big Dalton Canyon Road, north side of road at NE end of flood control tunnel 433 Comment
  SFV15695  Lotus salsuginosus var. salsuginosus H. L. Fredell 1992-4-22 103 Los Angeles San Gabriel Mountains Chiquito Canyon, Chiquito Canyon Road, 0.1 miles northeast of CA-Highway 126. Comment
  POM156181  Lotus scoparius L. R. Abrams 1902-6-11 2518 Los Angeles Playa del Rey. Comment
  RSA652461  Lotus scoparius Marion P. Harthill 1971-3-28 74 Los Angeles Claremont. Comment
  RSA406840  Lotus scoparius Anstruther Davidson 1892-09 s.n. Los Angeles Redondo. Comment
  UCR273369  Lotus scoparius subsp. scoparius R. G. Swinney 2011-3-18 14161 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  JEPS19470 Image available Lotus scoparius var. brevialatus A. M. Ottley 1920-5-3 589 Los Angeles Little Tujunga Wash San Gabriel Mts.; Little Tujunga Wash, San Gabriel Mts. 335 Comment
  RSA0081708  Lotus strigosus R. G. Swinney 2011-7-21 15551 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0117147  Lotus strigosus Mitchell Provance, Stephen Reynolds 2011-5-5 17213 Los Angeles San Gabriel Valley: City of San Gabriel, northwest of the itnersection of Burton Ave. and E. Las Tunas Dr. Beneath the SCE power lines. 130 Comment
  UC1595217  Lotus strigosus Tim Ross and Peter Fritsch 1990-6-20 3660 Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  UCR281161  Lotus strigosus R. G. Swinney 2014-5-27 16651 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA406314  Lotus strigosus Robin S. Collins 1973-8-9 223 Los Angeles Trail Canyon 579 Comment
  RSA0038715  Lotus strigosus var. strigosus R. G. Swinney 2010-3-22 11995 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
  RSA618719  Lotus strigosus var. strigosus Scott D. White, Sandy Leatherman 1998-5-19 6532 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA589181  Lotus tomentellus T. S. Ross 1991-4-28 4749 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA230194  Lotus unifoliolatus R. F. Thorne 1969-7-2 38290 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  RSA597251  Ludwigia peploides subsp. montevidensis B. Pitzer 1996-4-28 2738 Los Angeles Harbor City/ City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Highway (St. Hwy) and Vermont Ave. Comment
  UCR190932  Lupinus R. G. Swinney 1998-7-2 6243 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UC1871218  Lupinus agardhianus T. S. Ross 1993-4-21 6835 Los Angeles Channel Islands: Santa Catalina Island; Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak; Santa Catalina South USGS7.5 elev. ca. 1470 ft. 448 Comment
  UC1481368  Lupinus albifrons David B. Dunn April 1956 RSA- 7325 -6453 Los Angeles Comment
  RSA0070140  Lupinus albifrons var. austromontanus Daisie Huang 2009-5-10 09051001 Los Angeles Liebre Sawmill Road, Liebre Mountain. 1649 Comment
  RSA3609  Lupinus albifrons var. eminens C. B. Wolf 1932-5-13 3627 Los Angeles 100 yds above the Wishbone, on the Avalon Isthmus road. 152 Comment
  SD215533  Lupinus bicolor Steve Boyd, Lauren Raz 1997-3-26 9374 Los Angeles Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 975 Comment
  UC1401296 Image available Lupinus bicolor D. B. Dunn and C. Epling 1946-4-19 2129 Los Angeles 0.9 mi s Highway 99 and Highway 138 junction (and for several miles to the n of junction and n of the town of Gorman); N of Gorman, Los Angeles Co. 1066 Comment
  UCR88675  Lupinus bicolor Scott D. White, Chet McGaugh 1995-5-9 2994 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  RSA0023262  Lupinus bicolor Robert F. Thorne 1980-4-25 54134 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  UC1183626  Lupinus bicolor Dave Dunn 1941-3-29 948 Los Angeles Foothill Blvd at San Dimas Canyon Rd.; Foothill Blvd at San Dimas Canyon Rd. Comment
  RSA91252  Lupinus breweri var. grandiflorus F. W. Peirson 1921-6-16 2441 Los Angeles Summit of Mt. Waterman, San Gabriel Mountains 2317 Comment
  CATA1564  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2832 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  RSA177717  Lupinus concinnus Robert F. Thorne, Percy C. Everett 1965-5-10 34469 Los Angeles Santa Catalina Island: N slope of Black Jack Mountain 457 Comment
  UCR281672  Lupinus excubitus var. excubitus R. G. Swinney 2014-4-10 16057 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
  RSA413593  Lupinus excubitus var. hallii Robert Gustafson 1980-8-29 1885 Los Angeles Ballona Wetlands, Area 3. 2-3 plants confined to a small strip of coastal strand near the jct. of Lincoln Blvd. and the Ballona Creek Channel. Comment
  UC865154  Lupinus excubitus var. hallii F. R. Fosberg 1931-5-12 S 4849 Los Angeles Descanso Canyon near Coach Road Santa Catalina Id. (Santa Catalina Id.); , Descanso Canyon near Coach Road 300 Comment
  UCR150944  Lupinus excubitus var. hallii D. E. Bramlet 1999-5-14 2760 Los Angeles Peninsular Ranges/Chino-Puente Hills region, Puente Hills: 274 m NW of the 57/60 freeway and 1.1 km east of old Brea Canyon Rd. E-facing slope of last small knoll before Lincoln Ave. (existing residential area) 207 Comment
  UCR272636  Lupinus excubitus var. hallii R. G. Swinney 2011-5-6 14584 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  RSA0119589  Lupinus excubitus var. hallii Lyman Benson 1945-6-5 11754 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Gendora Road. Mt. Range: San Gabriel. Drainage Area: Pacific Slope. 1372 Comment
  SEINET10450556  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 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
  POM11486  Lupinus excubitus var. johnstonii P. A. Munz 1921-6-18 4638 Los Angeles Between Swartout and Pairie Fork 2439 Comment
  RSA641695  Lupinus excubitus var. johnstonii Orlando Mistretta 1993-6-2 869 Los Angeles San Gabriel Mountains: Vincent Gulch Mine. 2100 Comment
  UCR146450  Lupinus formosus Orlando Mistretta 1991-7-20 s.n. Los Angeles Transverse ranges; San Gabriel Mtns region, Prairie Fork. 1829 Comment
  RSA229190  Lupinus formosus var. formosus R. F. Thorne 1971-6-30 40747 Los Angeles Pacifico Mountain 1951 Comment
  RSA413634  Lupinus formosus var. formosus Robert Gustafson, Gary D. Wallace 1982-4-26 2538 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA586062  Lupinus formosus var. formosus Orlando Mistretta 1995-6-20 1814 Los Angeles Bare Mountain Canyon. 1738 Comment
  UCR271321  Lupinus formosus var. formosus R. G. Swinney 2011-5-12 14718 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  SFV15549  Lupinus hirsutissimus R. K. Stachelek 1992-4-4 5 Los Angeles Approximately 0.2 miles from intersection of Balboa and Foothill, on north side of Foothill next to roadside. Comment
  UC397196  Lupinus hirsutissimus Crawford and Hiatt 1916-3-29 Los Angeles Santa Monica Mts. Comment
  JEPS65273  Lupinus latifolius var. parishii Frank W. Peirson 1919-6-5 464 Los Angeles San Antonio Canyon; San Gabriel Mts., San Antonio Canyon 1341 Comment
  CAS-BOT-BC211717  Lupinus longifolius LeRoy Abrams 1902-7-10 2505 Los Angeles Playa del Rey Comment
  POM203864  Lupinus longifolius Charlotte M. Hoak 1933-7-1 s.n. Los Angeles Pacific Palisades, Santa Monica, Los Angeles. Comment
  UCR142752  Lupinus longifolius I. W. Clokey, B. C. Templeton 1929-1 4560 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  SEINET10485617  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  HSC104226  Lupinus microcarpus R. G. Swinney 2009-4-24 10439 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR269258  Lupinus microcarpus var. horizontalis Pam De Vries 2013-5-20 7862 Los Angeles Tehachapi Mountains/Western Transverse Range, Gorman Hills, about 0.50 air mile NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1034 Comment
  SBBG67047  Lupinus microcarpus var. microcarpus R. Hoffmann 1932-4-27 Los Angeles Palmdale Comment
  RSA0082545  Lupinus microcarpus var. microcarpus Ernest C. Twisselmann 1962-4-18 6956 Los Angeles Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine. 1005 Comment
  UC1076227  Lupinus odoratus Herbert L. Mason 1926-4-26 3018 Los Angeles Little Rock Comment
  UCSB3333  Lupinus odoratus Ralph, F. 1960-4-1 Los Angeles N side of Calif. Hwy. 138, 9.0 miles E of its jct. with road to Valyermo and Big Pines E of Pearblossom and 0.6 miles W of jct. of the road to Victorville Comment
  RSA680130  Lupinus peirsonii LeRoy Gross, Michael Denslow 2003-6-4 998 Los Angeles Southeast of Dawson Saddle, north side of Angeles Crest Highway (Hwy. 2). 2439 Comment
  UCSB12039  Lupinus peirsonii Dearing, Hugh; Dearing, Margaret 1949-5-1 Los Angeles Rock Creek, San Gabriel Mts. Comment
  UCSB31760  Lupinus peirsonii Griesel, Wesley 1962-6-27 Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  RSA654083  Lupinus sparsiflorus Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 746 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 427 Comment
  UC199150  Lupinus sparsiflorus Geo. B. Grant 1904-5-10 731 -6173 Los Angeles Pasadena Comment
  UCR230249  Lupinus sparsiflorus Dan S. Cooper 2011-4-18 411- 13 Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, Padua Park, off Padua Ave. near Claremont 559 Comment
  UCR269939  Lupinus sparsiflorus R. G. Swinney 2010-4-13 12184 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  RSA249813  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1973-4-20 43011 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA86938  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1919-5-10 s.n. Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains 915 Comment
  RSA414812  Lupinus sparsiflorus subsp. sparsiflorus George R. Johnston 1926-4-24 s.n. Los Angeles Antelope Valley Comment
  RSA0084493  Lupinus succulentus R. G. Swinney 2010-5-4 12540 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  SFV20784  Lupinus succulentus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 695 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
  UCR127171  Lupinus succulentus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26138 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCSB43750  Lupinus succulentus Nakashima, L. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road, 0.84 miles from its junction with Avalon Canyon Road on Santa Catalina Island 304 Comment
  RSA414360  Lupinus truncatus F. R. Fosberg 1931-3-23 4328 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 30 Comment
  SBBG133190  Lupinus truncatus J. Savage 2003-4-12 JS 2 -2003 Los Angeles Tombstone ATV trail, near seal cove before bridge 64 Comment
  RSA414375  Lupinus truncatus E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach Comment
  CAS-BOT-BC231610  Lycium cooperi Frank W. Peirson 1921-5-19 1086 Los Angeles San Gabriel Mts., Little Rock Cr. Comment
  OBI57000  Lyonothamnus floribundus subsp. aspleniifolius M. B. Dunkle 1939-8-14 8611 Los Angeles Channel Islands Biological Survey 1938-1941. Santa Cruz Island, Pelican Bay Comment
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Jan 2 2015
  CATA1954  Lyonothamnus floribundus subsp. floribundus Martin A. Piehl 1962-10-6 62 -512 Los Angeles Santa Catalina Island: Grove 3, probably in canyon between Pebbly Beach and Renton Mine 0 Comment
  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
  RSA716479  Lythrum californicum Scott D. White, Andrea Warniment 2006-7-7 11621 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  SFV6237  Madia gracilis M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North slope of Oat Mountain. Along main ridge road. 1037 Comment
  RSA0073298  Madia gracilis Bonnie C. Templeton 1932-6-1 4870 Los Angeles West Blue Ridge, Big Pines Park, San Gabriel Mts. 2195 Comment
  UCR256160  Malacothamnus R. G. Swinney 2010-6-4 13040 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
  UC1745884  Malacothamnus davidsonii Annetta M. Carter, Arthur Carter 1935-9-13 993 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  CAS-BOT-BC206214  Malacothamnus fasciculatus Peter H. Raven 1962-5-21 17802 Los Angeles Bullrush Canyon, about opposite ranch in Middle Canyon, Santa Catalina Island 213 Comment
  LA30369  Malacothamnus fasciculatus Mary V. Hood; 1938-4-30 38 11 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  JEPS85114  Malacothamnus fasciculatus var. fasciculatus Roy E. Buck, Rexford Palmer 1989-4-27 1217 Los Angeles 7 air km nw of Castaic (ca 2.8 air km se of Townsend Pk summit; betw lanes of Interstate 5, near nw end of crossover sect, +/- on ridge betw Violin Canyon (see notes)) Comment
  CAS-BOT-BC206310  Malacothamnus fremontii I. M. Johnston 1917-8-22 1673 Los Angeles Prairie Fk. of San Gabriel R., San Antonio Mountains 1889 Comment
  CAS-BOT-BC206367  Malacothamnus fremontii Ernest C. Twisselmann 1966-7-13 12617 Los Angeles Cuddy Canyon Road at the Ridge Route Freeway - San Emigdio Range and the Mt. Pinos Region 1188 Comment
  RSA753990  Malacothamnus fremontii David Marqua 1967-7-20 670720 Los Angeles N side of the San Gabriel Mts. near Devil s Punch Bowl Co. Park. Comment
  SBBG66060  Malacothrix californica R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  UCR186946  Malacothrix californica A. C. Sanders 2006-4-10 31994 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
  RSA0082688  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles Oso Canyon, about 0.5 mile above Oso Corral. 1036 Comment
  RSA670348  Malacothrix californica B. C. Templeton 1931-5-17 1200 Los Angeles Between Palmdale and Lancaster. Mojave Desert. Comment
  LA201032  Malacothrix clevelandii Carl Epling; L. Ellison 1929-5-18 sn Los Angeles 228 Comment
  RSA573467  Malacothrix clevelandii Timothy S. Ross 1992-5-8 6295 Los Angeles San Gabriel Mountains: San Antonio Canyon; upper N side of Hog Back. 1183 Comment
  SBBG87883  Malacothrix coulteri H. C. Forbes 1986-4-6 Los Angeles St Hwy 138, ca. 24 mi W of Hwy 14 Comment
  UC557744  Malacothrix foliosa Nell Murbarger May, 1936 164 Los Angeles e and n sides of island San Clemente Island Comment
  UCR124434  Malacothrix saxatilis I. W. Clokey, B. C. Templeton 1929-1 4550 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR157916  Malacothrix saxatilis Robert J. Steers 2005-5-8 5 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  CAS-BOT-BC347948  Malacothrix saxatilis var. tenuifolia Louis C. Wheeler 1933-8-14 2080 Los Angeles On dry ridge San Dimas Canyon, San Gabriel Mts. 609 Comment
  SFV2137  Malosma laurina M. L. Vincent 1962-7-10 279 Los Angeles Santa Monica Mountains Piuma Road, 1.5 miles east of Malibu Canyon Road. 220 Comment
  CAS-BOT-BC167850  Malosma laurina S. Y. Parnay Mar. s.n. Los Angeles Unspecified Comment
  CSUSB814  Malva parviflora J. Operskalski 1976-4-24 Los Angeles Glendale, 5 miles south of 210 freeway. Comment
  RSA434896  Malva parviflora Bette Wright 1942-4-24 s.n. Los Angeles Vacant lot in city, Glendale Comment
  OBI14819  Marah macrocarpa Bill Arbaugh 1966-3-27 15 Los Angeles Cold Canyon Rd, Santa Monica Mts 457 Comment
  RSA0068438  Marrubium vulgare R. G. Swinney 2010-8-16 13557 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  UCR260351  Marrubium vulgare R. G. Swinney 2010-5-4 12559 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
  RSA658521  Marrubium vulgare Diane Elliott 1985-4-19 6 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  CAS-BOT-BC422752  Meconella denticulata Geo. B. Grant 1904-5-19 6237 Los Angeles Mt Wilson Comment
  POM175349  Meconella denticulata E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  UC450917  Meconella denticulata F. A. M. 1931-3-29 16 E Los Angeles Tuna Canyon Verduga Hills 335 Comment
  RSA600731  Medicago polymorpha L. C. Wheeler 1955-4-30 7147 Los Angeles San Jose Hills: ca. 1/2 mile north-westerly from Puddingstone Dam.. Comment
  RSA592307  Medicago polymorpha L. C. Wheeler 1967-5-13 9506 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  UCSB3418  Medicago polymorpha Haller, John 1950-3-30 Los Angeles UCLA Base of Faculty Hill, near Sunset Blvd. Comment
  RSA773854  Medicago sativa R. G. Swinney 2009-8-19 11458 Los Angeles Confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  RSA652176  Medicago sativa Dean Brown 1948-4-25 3 Los Angeles near the S.E. corner of C & 4th. Streets. Laverne. 243 Comment
  CAS-BOT-BC281527  Melica imperfecta W. A. Silveus 1938-6-18 7783 Los Angeles Mt Wilson Comment
  POM1200  Melica imperfecta I. M. Johnston 1918-6-2 2021 Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  UC1584871  Melica imperfecta Tim Ross 1991-4-8 4473 Los Angeles Elephant Hill Pomona, San Dimas U.S.G.S. 7.5' Quad. (w Pomona) 347 Comment
  UCR223560  Melica imperfecta R. G. Swinney 2009-6-2 10984 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CDA32522  Melica imperfecta T. C. Fuller & T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Chaney Trail above Altadena. 0 Comment
  POM2395  Melilotus albus D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  SFV1928  Melilotus albus P. M. Kennamer 1958-8-7 6 Los Angeles San Fernando Valley San Fernando Valley State College campus on Lindley Ave. Road bed opposite Building F. 274 Comment
  POM348180  Melilotus indicus F. R. Fosberg 1931-4-10 4604 Los Angeles Eagle nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  UCD108078  Melilotus indicus 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
  UCD108096  Melilotus indicus J. Warren 1952-5-15 s.n. Los Angeles Mulholland Drive. 457 Comment
  UC1929991  Mentzelia albicaulis Scott D. White 2004-5-5 10296 Los Angeles Liebre Mtns: Bald Mtn area, west of Old Ridge Route. Comment
  UC73396  Mentzelia congesta H. M. Hall 1899-6-20 1228 Los Angeles San Antonio Mountains, Lytte Creek Canyon 1752 Comment
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Mar 21 2014
  UCR191735  Mentzelia dispersa A. C. Sanders 2008-4-23 35080 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1130 Comment
  SD38198  Mentzelia lindleyi Edith A. Purer 1931-3-8 Los Angeles Griffith Park Comment
  OBI25817  Mentzelia micrantha Williams 1961-4-20 s.n. Los Angeles Angeles Crest hwy Comment
  RSA446756  Mentzelia micrantha M. B. Dunkle 1931-4-22 2465 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  SBBG113276  Mentzelia micrantha S. A. Junak with M. L. Hoefs 1997-6-4 SCa 410 Los Angeles W end of Empire Landing, rock quarry site, on E side of small cyn 36 Comment
  RSA446791  Mentzelia montana Samuel R. Tyson 1943-9-1 s.n. Los Angeles Brown s Flat, San Dimas canyon. 1250 Comment
  CDA37134  Mentzelia veatchiana L. Cortez & R. Arias 2012-4-19 PDR# RI 1 P06002200 Los Angeles Leona Valley; 12150 Elizabeth Lake Road. 0 Comment
  CAS-BOT-BC435249  Mesembryanthemum crystallinum Herman Knoche 1919-7-4 Series A, No. 1015 Los Angeles Smugglers Cove, San Clemente Island Comment
  UCR271470  Microseris lindleyi R. G. Swinney 2011-5-3 14565 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR280550  Microseris lindleyi R. G. Swinney 2014-4-18 16133 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
  RSA618782  Microseris lindleyi L. C. Wheeler 1973-4-20 s.n. Los Angeles Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  RSA600409  Mimulus aurantiacus Steve Boyd, Lauren Raz 1997-4-30 9638 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  SFV5509  Mimulus aurantiacus var. pubescens W. A. Kelley Jun 1967 Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  UCD122373  Mimulus aurantiacus var. pubescens Gordon Pilone 1961-3-3 109 Los Angeles Padua Hills, 100 yards above Spanish Restaurant. Mt. Range: San Gabriel. Drainage Area: Pacific Slope. 396 Comment
  LA35210  Mimulus brevipes Mary V. Hood; 1941-4-27 41- 77 -k* Los Angeles SANTA MONICA MOUNTAINS, near Malibu Lake. 213 Comment
  SEINET12269798  Mimulus brevipes I. Tavares, Brinson, V. 1962-1 255 Los Angeles Bouquet (Boquet) Canyon road, 3 mi S of Boquet Canyon Guard Station Comment
  RSA226220  Mimulus floribundus Gary D. Cromwell, David W. Wheat 1971-7-1 698 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest. Two miles NE of Glendora. 396 Comment
  UCR202736  Mimulus floribundus R. G. Swinney, Cody Clarke 2001-8-22 8072 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
  RSA604989  Mimulus floribundus Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  SFV21882  Mimulus fremontii L. L. Zung 2011-5-17 8 Los Angeles San Gabriel Mountains Juniper Hills. 1280 Comment
  UCR147664  Mimulus guttatus Steve Boyd, Amber Maurice 2004-5-18 11310 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  POM156324  Mimulus guttatus L. R. Abrams 1902-7-1 2612 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA527610  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4437 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA649435  Mimulus guttatus H. M. Smith 1955-5-23 s.n. Los Angeles Cal Poly campus, 3 m. W of San Dimas 201 Comment
  SBBG17873  Mimulus guttatus P. H. Raven 1962-4-12 17327 Los Angeles cyn S of cyn below the Tomb 182 Comment
  RSA625528  Mimulus palmeri Louis C. Wheeler 1963-5-25 8258 Los Angeles San Gabriel Mountains: Upper Big Tujunga at Vetter Gulch. . Comment
  RSA727342  Minuartia douglasii R. G. Swinney 1998-5-16 6068 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA756893  Minuartia douglasii Orlando Mistretta, Christine Mistretta 2008-4-7 2345 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  UC1930009  Minuartia douglasii V. Soza, LeRoy Gross 2002-4-3 1379 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  RSA587377  Minuartia douglasii Orlando Mistretta 1995-4-21 1634 Los Angeles Little Rock Creek. Un-named canyon draining the west slopes of Little Rock Creek canyon 0.5 mile N of Kitter Canyon 1052 Comment
  RSA746897  Mirabilis laevis R. G. Swinney 2005-4-15 8217 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  CAS-BOT-BC434643  Mirabilis laevis var. crassifolia John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  UCR224022  Modiola caroliniana Steve Boyd, Rick Riefner 2007-4-27 11737 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
  UCD86112  Monanthochloe littoralis Robert F. Thorne; P. Everett 1965-5-11 34535 Los Angeles Santa Catalina Island. Salt flat inside Ballast Point on E side of Catalina Harbor. Comment
  RSA0016136  Monardella australis Orlando Mistretta 1995-7-11 1886 Los Angeles San Gabriel Mountains, Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  RSA0088944  Monardella candicans Bonnie C. Templeton 1971-5-16 11609 Los Angeles About 7 mi. n.e. of Palmdale. 815 Comment
  RSA729179  Monardella cinerea R. G. Swinney 1998-7-14 6439 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  CAS-BOT-BC220138  Monardella exilis Roxana S. Ferris 1918-6-12 925 Los Angeles Lancaster Comment
  HSC24429  Monardella exilis James Henrickson 1971-5-2 5539 Los Angeles 15 mi. E of Palmdale, S slope of Lovejoy Buttes in Mojave Desert 854 Comment
  JEPS73669  Monardella exilis Frank W. Peirson 1921-5-19 2416 Los Angeles Little Rock Creek San Gabriel Mts. 1036 Comment
  UCR190471  Monardella saxicola R. G. Swinney 2000-6-25 7800 Los Angeles San Gabriel Mtns., ridge on west side of San Antonio Canyon, between Evey Cyn. and nameless 1st canyon to north, c. 1/2 mi. west of San Antonio Cyn. Rd. 1159 Comment
  CDA35808  Morus alba R. G. Swinney 2009-3-12 10103 Los Angeles San Gabriel Mtns. Foothills; Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. Comment
  UC849126  Mucronea californica Louis C. Wheeler 1932-6-4 798 Los Angeles wash at Arrow Hwy; San Gabriel Wash 106 Comment
  SBBG62242  Mucronea perfoliata R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  RSA639106  Muhlenbergia asperifolia L. C. Wheeler 1966-10-1 8925 Los Angeles San Gabriel Mountains: Big Tujunga Canyon at Colby Ranch Road. 960 Comment
  SBBG128784  Muhlenbergia microsperma M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1786 Los Angeles N of Rd between Emerald Bay and Parsons Landing 121 Comment
  SEINET10827803  Muhlenbergia microsperma LeRoy R. Abrams 1903-3-11 Abrams 3111 Los Angeles Sepulveda canyon, Santa Monica Mts. Comment
  RSA377599  Muilla maritima Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  RSA718264  Muilla maritima R. G. Swinney 1998-4-11 5942 Los Angeles Claremont, hills c. 0.75 mi. NE of Padua Hills Restaurant, 0.4 SW of Potato Mtn. 823 Comment
  RSA729404  Muilla maritima R. G. Swinney 1998-6-12 6954 Los Angeles San Gabriel Mtns.: NW of Jackson Lake at Ball Flat. 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Road 1890 Comment
  UCR222725  Muilla maritima R. G. Swinney 2009-5-12 10723 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA377601  Muilla maritima Thekla Mohr s.n. Los Angeles Eaton Canyon. Comment
  RSA561571  Muilla maritima Steve Boyd, Walter Appleby 1993-5-24 8161 Los Angeles Loop Canyon Road at jct. with Santa Clarita Rd. 1097 Comment
  CAS-BOT-BC219355  Nama stenocarpa Dr. H. E. Hasse 1889-9-1 s.n. Los Angeles Near Santa Monica Comment
  RSA213386  Nassella cernua Reid V. Moran, A. Chase 1941-2-16 570 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
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Jun 5 2014
  RSA574277  Nassella cernua Timothy S. Ross 1993-4-21 6832 Los Angeles Santa Catalina Island. SW part of the island along major E-W ridge between 'Carlos' (972 ft) and Cactus Peak (1560 ft); 500-1200- ft. NNE to NE of 'Quart' (1252 ft) 396 Comment
  RSA602673  Navarretia atractyloides L. C. Wheeler 1936-6-8 4131 Los Angeles Bell-W Fork San Dimas Canyon divide, San Gabriel Mountains. 884 Comment
  RSA678775  Navarretia atractyloides Valerie L. Soza, LeRoy Gross 2002-4-16 1422 Los Angeles Between Pettinger and Haskell canyons. Stables Fire 2001 area. 625 Comment
  RSA614282  Navarretia atractyloides L. C. Wheeler 1932-6-4 804 Los Angeles Live Oak Canyon 518 Comment
  JEPS5593  Nemacladus ramosissimus P. A. Munz, R. D. Harwood 1920-5-2 3827 Los Angeles San Dimas Canyon 457 Comment
  RSA0068082  Nemacladus secundiflorus R. G. Swinney 2010-5-19 12841 Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  JEPS7677  Nemacladus sigmoideus Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4187 Los Angeles junction of road to Horse Flat Public Camp and main paved road from Upper Chilao Recreation Area; San Gabriel Mountains, Angeles National Forest 1828 Comment
  UCSB31759  Nemophila maculata Risk, Paul 1963-5-15 Los Angeles Descanso Gardens; Native Plant section Comment
  SD75491  Nemophila menziesii Reid Moran 1941-3-6 681 Los Angeles Santa Catalina Island; Middle Ranch Canyon. 299 Comment
  SEINET269310  Nemophila menziesii Scott D. White, Chet McGaugh 1995-5-9 3017 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando road and 457 Comment
  JEPS1517  Nemophila menziesii var. integrifolia John Thomas Howell 1928-4-18 3724 Los Angeles Griffith Park Los Angeles, Griffith Park Comment
  UCSC000896  Nemophila menziesii var. integrifolia E. McMillan 1952-3-23 19 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock San Gabriel Mts., Little Rock Comment
  SD253360  Nerium oleander R. G. Swinney 2011-3-26 14215 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1-0.6 mile upstream from confluence with San Dimas Canyon. 476 Comment
  UCR210433  Nerium oleander R. G. Swinney 2008-11-30 9879 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  RSA426653  Nicotiana attenuata Anstruther Davidson 1893-6-4 s.n. Los Angeles Big Rock Comment
  SBBG122029  Nicotiana quadrivalvis S. D. White with A. Warniment 2005-9-13 11224 Los Angeles slopes and plateaus W of Oso Cyn, ca. 1-2 air mi N of Quail Lake, Tehachapi Mtns 1067 Comment
  RSA273018  Nierembergia hippomanica Sharon Haennelt 1977-1 s.n. Los Angeles Hills around county and state park, Placerita Canyon. 488 Comment
  UCR193435  Oenothera californica R. G. Swinney 1999-6-5 7266 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
  CAS-BOT-BC167048  Oenothera californica W. R. Dudley; F. H. Lamb 1896-6-9 4408 Los Angeles Elizabeth Lake [Canon] Canyon, near [Lovell's] Lovell, Liebre Mountains Comment
  POM250396  Oenothera californica subsp. californica I. W. Clokey, C. B. Clokey, Bonnie C. Templeton 1930-5-13 4745 Los Angeles Bouquet Canyon. 800 Comment
  RSA230654  Oenothera californica subsp. californica Robert F. Thorne, M. Z. Thorne 1969-7-10 38444 Los Angeles Angeles National Forest: Jackson Lake 1860 Comment
  LA206196  Oenothera deltoides Carl Epling; May 1927 sn Los Angeles Tehachapi Mountains Comment
  RSA34884  Oenothera speciosa Joseph A. Ewan 1932-6-29 7564 Los Angeles Arizona Ave. four miles W of Hawthorn. Comment
  RSA251410  Oligomeris linifolia Robert F. Thorne 1966-4-16 36050 Los Angeles San Clemente Island, c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  UCR225149  Oncosiphon piluliferum Steve Boyd 2006-5-11 11659 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
  UC557627  Opuntia Nell Murbarger 1936-3 94 Los Angeles San Clemente Island; mesa summit Comment
  POM18234  Opuntia X occidentalis P. A. Munz 1923-4-13 6787 Los Angeles San Clemente Island. Comment
  UC1870329  Opuntia vaseyi LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 402 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 290 Comment
  CAS-BOT-BC254290  Orcuttia californica Frank W. Gould 1944-6-17 2350 Los Angeles On Rosecrans Avenue just W of Western Avenue Comment
  RSA332048  Oreonana vestita Wayne E. Sawyer 1981-6-16 50 Los Angeles ridge trail, 0.7 mi W of Mt. Hawkins 2530 Comment
  RSA79250  Oreonana vestita G. R. Campbell 1952-6-28 17296 Los Angeles South slope of Mt. San Antonio (Baldy) 2621 Comment
  RSA0059189  Orobanche bulbosa F. R. Fosberg 1931-4-23 S 4687 Los Angeles Santa Catalina Island. Headwaters of Swain Canyon. NE slope Black Jack Mt. 350 Comment
  RSA250334  Orobanche fasciculata Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42254 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  SBBG129182  Orobanche parishii A. Parikh, N. Gale 2012-5-23 2159 Los Angeles Newhall Ranch, 1.6 km S of the Santa Clara River, 1.9 km W of Interstate 5, N side of Santa Susana Mtns 365 Comment
  RSA765570  Orthocarpus erianthus Doris Bowers 1968-3-24 283 Los Angeles Portuguese Bend, Palos Verde Peninsula 30 Comment
  SEINET10661462  Oryza sativa Heidi H. Schmidt 1999-10-10 Schmidt 3914 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  POM67102  Osmorhiza brachypoda Marcus E. Jones 1924-05 s.n. Los Angeles Stoddard Canon Comment
  UC1400353  Osmorhiza brachypoda Donald R. Bissing 1973-6-2 168 Los Angeles Evey Canyon San Gabriel Mountains (ne side, 1.3 mi from canyon mouth) 975 Comment
  UCR260010  Oxalis pes-caprae R. G. Swinney 2010-3-24 12095 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  POM353467  Oxalis pes-caprae H. L. Bauer 1932-03 s.n. Los Angeles Santa Monica Comment
  RSA652547  Oxalis pes-caprae Carol Zuck 1981-2-27 57 Los Angeles 547 Dove Ln. W. Covina. Comment
  SDSU605  Oxalis rubra Gerald Collier 1951-5-22 Los Angeles 11621 Mayfield Avenue, L.A. 49. Comment
  RSA641508  Oxytheca parishii var. parishii Louis C. Wheeler 1967-9-2 10598 Los Angeles San Gabriel Mountains, Angeles National Forest: East summit of Twin Peaks 2366 Comment
  RSA597501  Oxytheca trilobata Louis C. Wheeler 1961-6-9 7841 Los Angeles San Gabriel Mountains. Nameless gulch west of Lynx Gulch, off Big Tujunga Canyon. 1052 Comment
  RSA473132  Packera breweri C. Epling, L. C. Wheeler 1933-6-4 1848 Los Angeles Sandbergs near Quail Lake. 1311 Comment
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Jan 25 2012
  RSA126730  Paeonia californica Peter H. Raven, H. J. Thompson 1959-5-5 s.n. Los Angeles Mulholland Hwy. 1 mile W of Las Virgenes Rd, Malibu Creek drainage. 335 Comment
  UC72895  Paeonia californica Geo. B. Grant Apr 1902 908 Los Angeles Pasadena Comment
  RSA434236  Paeonia californica Louis C. Wheeler 1932-3-3 452 Los Angeles San Jose Hills at Pomona. 305 Comment
  RSA608523  Paeonia californica Louis C. Wheeler 1930-3-29 19 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA187833  Papaver somniferum Robert F. Thorne 1966-6-1 36476 Los Angeles Santa Catalina Island, field near small building, in Pebbly Beach Canyon near upper end of road, possibly escaped Comment
  SBBG96801  Parietaria hespera var. californica S. Boyd with T. Ross, L. Arnseth 1990-4-7 4241 Los Angeles lower half of China Cyn Comment
  UCR126242  Paspalum dilatatum A. C. Sanders 2003-3-14 25772 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  RSA0016998  Paspalum distichum Anstruther Davidson 1917-07 3160 Los Angeles Whittier. Comment
  CHSC106737  Passiflora caerulea R. E. Riefner Jr. 2007-4-15 07 -180 Los Angeles Harbor City, Harbor Regional Park and Lake, Bixby Slough, Vermont Ave./Pacific Coast Hwy. UTM: (NAD 83) 11S0380774E 378961N. 14 Comment
  UCR220040  Pectocarya anisocarpa R. G. Swinney 2009-4-24 10459 A Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  IRVC27797  Pectocarya linearis A. C. Sanders 2005-5-11 30172 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  UCR133735  Pectocarya linearis var. ferocula F. R. Fosberg 1931-3-27 S- 4404 Los Angeles Channel Islands, Hamilton Canyon, Santa Catalina Island 150 Comment
  RSA771853  Pectocarya penicillata R. G. Swinney 2009-5-28 10922 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UC882256  Pectocarya penicillata I. W. Clokey and B. C. Templeton 1930-4-8 4674 Los Angeles San Francisquita 550 Comment
  SEINET2441553  Pectocarya setosa R. G. Swinney 2008-5-8 8789 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. (Valyermo 7.5' Q.). 1264 Comment
  UCR119285  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
  RSA230245  Pedicularis semibarbata Robert F. Thorne, M. Z. Thorne 1969-7-10 38357 Los Angeles San Gabriel Mountains: Angeles National Forest. Along Angeles Crest Highway, Near Lodgepole Picnic Ground. 2317 Comment
  POM348827  Pediomelum californicum Anstruther Davidson 1917-07 3247 Los Angeles Mt. Diablo Comment
  CAS-BOT-BC67713  Pellaea andromedifolia Le Roy Abrams 1901-4-11 1471 Los Angeles Santa Monica Mts. - Santa Monica Canyon 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
  RSA686718  Pellaea andromedifolia Blanche Trask 1900-03 s.n. Los Angeles Avalon, Catalina island Comment
  SBBG80284  Pellaea andromedifolia F. C. Boutin 1967-4-23 1682 Los Angeles Lemon Tank 304 Comment
  RSA526157  Pellaea andromedifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4151 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA651844  Pellaea andromedifolia Bill Harris 1949-2-8 s.n. Los Angeles San Dimas Canyon. 457 Comment
  RSA686742  Pellaea andromedifolia Erwin Miller 1934-3-27 s.n. Los Angeles San Gabriel Mts., Angeles National Forest. Fish Canyon. 305 Comment
  RSA530062  Pellaea mucronata var. mucronata T. S. Ross 1991-8-16 5874 Los Angeles San Gabriel Mountains, Horse Flats 1787 Comment
  RSA590922  Pellaea mucronata var. mucronata Orlando Mistretta 1994-4-12 1012 Los Angeles Little Rock creek. Slopes E of Little Rock reservoir. 1006 Comment
  UCR91498  Pennisetum clandestinum Scott D. White 1995-3-15 2584 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  RSA0110197  Penstemon centranthifolius Richard G. Swinney 2011-5-16 14723 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  UCR281666  Penstemon centranthifolius R. G. Swinney 2014-4-23 16186 Los Angeles San Gabriel Mountains/Mojave Desert, Bob's Gap Rd. east of Valyermo at Bobs Gap, near Lime Kiln in wash bottom, c. 30 meters east of 165th Street 1232 Comment
  SD37439  Penstemon centranthifolius Edith A. Purer 1935-5-11 6573 Los Angeles Dry hillside, east of Malibou Lake Comment
  UC1012242  Penstemon grinnellii Francis W. Pennell 1940-6-25 26006 Los Angeles Mount Wilson 1676 Comment
  RSA97114  Penstemon grinnellii R. M. Straw 1954-6-17 632 Los Angeles Red Box Canyon, 0.4 mi. west of road jct., Angeles Crest Hwy, San Gabriel Mtns., near fire station Comment
  CHSC26125  Penstemon grinnellii var. grinnellii Marilyn Chase 1967-6-24 162 Los Angeles Ca. 50 mi. NNE of Azusa off Hwy. 2 on slope of ridge between Dawson Saddle and Throop Peak in San Gabriel Mtns. 1828 Comment
  NY601209  Penstemon grinnellii var. grinnellii A. D. E. Elmer 06 1902 3615 Los Angeles Acton Comment
  UC314545  Penstemon heterophyllus var. australis Marcus E. Jones, A. M. 1926-6-2 Los Angeles Claremont Comment
  RSA580317  Penstemon heterophyllus var. heterophyllus Tim S. Ross, Steve D. Boyd 1994-5-25 7935 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  NY604272  Penstemon labrosus V. Duran 1933-7-19 3519 Los Angeles Buckhorn, San Gabriel Mountains. 1981.2 Comment
  RSA579441  Penstemon labrosus Tim S. Ross, D. L. Banks 1994-6-21 7985 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
  SEINET10547610  Penstemon rostriflorus Scott Zona, D. Arias; Oscar R. Dorado R.; M. Hanson; Jose Luis Villasenor R. 1921-1 Zona 323 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2018 Comment
  HSC12391  Penstemon spectabilis Wendell Wood 1970-6-20 17 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  RSA650001  Penstemon spectabilis A. Mayor, Daly 1973-5-5 s.n. Los Angeles Malibu Cyn. Comment
  RSA623955  Penstemon spectabilis subsp. subviscosus Bruce D. Riska 1971-5-23 29 Los Angeles Ca. 2 miles inside (N of boundry) Angeles National Forest, Mt. Baldy Road. 610 Comment
  NY661191  Penstemon spectabilis var. spectabilis A. M. Ottley 1920-5-8 633 Los Angeles San Rafael Hills Comment
  NY661210  Penstemon spectabilis var. subviscosus F. W. Pennell 1940-5-3 25303 Los Angeles Route 66, Claremont 701.0 Comment
  RSA0092550  Penstemon spectabilis var. subviscosus Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14320 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madres, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  SD90531  Pentagramma glanduloviscida Robert F. Thorne 1973-4-11 42866 Los Angeles San Clemente Island, middle portion of Norton Canyon 274 Comment
  RSA0062915  Pentagramma triangularis Lyman Benson 1945-1-20 11591 Los Angeles Upper end of upper reservoir, San Gabriel River Canyon. San Gabriel Mountains, Pacific Slope drainage. 427 Comment
  RSA687375  Pentagramma triangularis subsp. triangularis L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Can. Angeles National Forest Comment
  UC223682  Pentagramma viscosa C. F. Millspaugh 1919-12-4 4466 Los Angeles Descanso Canyon; Santa Catalina Isl. Comment
  RSA252911  Perideridia pringlei R. F. Thorne 1973-5-11 43574 Los Angeles along Mt. Emma Road, 10 mi. W of Little Rock Creek below the dam 1036 Comment
Read comments
Jul 14 2014
  CAS-BOT-BC355974  Perityle emoryi F. M. Reed 1909-7-2 2805 Los Angeles Pebbly Beach Road - Catalina Island 15 Comment
  RSA762696  Phacelia R. G. Swinney 2008-7-24 9352 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA82717  Phacelia brachyloba P. A. Munz 1925-4-23 9444 Los Angeles San Gabriel Canyon. 488 Comment
  UCR256175  Phacelia brachyloba R. G. Swinney 2010-6-4 13061 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
  RSA428305A  Phacelia brachyloba George C. Johnston 1927-10-30 s.n. Los Angeles Upper part of Big Tujunga Canyon. Comment
  RSA487576  Phacelia brachyloba M. V. Hood 1944-5-21 s.n. Los Angeles Monte Nido. 168 Comment
  UC702985  Phacelia brachyloba John Thomas Howell 1938-6-10 3885 Los Angeles Fish Canyon-Monrovia Canyon Divide San Gabriel Mts. Comment
  POM11768  Phacelia cicutaria var. hispida Katherine Brandegee s.n. Los Angeles Santa Catalina Island. Comment
  RSA0087092  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-30 12112 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA156044  Phacelia cicutaria var. hispida Peter H. Raven 1962-5-23 17855 Los Angeles Santa Catalina Island, ocean bluffs at East side of Avalon Bay. Comment
  UCD120317  Phacelia cicutaria var. hispida Daryl Koutnik 1978-6-25 558 Los Angeles One mile south of Seminole Hot Springs on Mulholland Highway. 335 Comment
  CHSC95500  Phacelia cryptantha LeRoy Gross 2005-4-28 2153 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  SD181481  Phacelia cryptantha LeRoy Gross 2005-4-28 2153 Los Angeles Transverse Ranges,San Gabriel Mtns region,ridgeline to Mt. Emma & cyn S of ridge, W from Mt. Emma (NW-trending ridge, lower part of ridgeline turns SW), E of Mt. Emma Rd. Then dropped off ridge into cyn bottom back to origin; Pacifico Mtn 7.5' quad. 1235 Comment
  UCR160021  Phacelia curvipes L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mtns., Big Rock Creek, 0.75 mi north of Big Rock Springs 1159 Comment
  UCR47883  Phacelia davidsonii Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Hwy 2, west of Big Pines in vicinity of Dawson Saddle, at mile marker 56.54 2409 Comment
  PASA1381  Phacelia distans Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA426230  Phacelia distans Donald R. Bissing 1973-6-2 125 Los Angeles Evey Canyon, 0.5 mile from canyon mouth 744 Comment
  UC56219  Phacelia distans H. M. Hall Apr. 1903 3755 Los Angeles near Pasadena Comment
  RSA0034412  Phacelia distans C. F. Baker 1904-4-20 4724 Los Angeles Claremont. Comment
  RSA426193  Phacelia distans Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  RSA709681  Phacelia distans LeRoy Gross 2005-4-28 2155 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
  UC57028  Phacelia distans Geo. B. Grant April, 1902 4061 Los Angeles near Pasadena; Altadena Comment
  RSA725182  Phacelia fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -105 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  SBBG127056  Phacelia fremontii A. Parikh, N. Gale 2011-6-10 3444 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1.3 km N of Aliso Cyn Rd; San Gabriel Mtns 1170 Comment
  RSA627567  Phacelia grandiflora Sandy Leatherman 1998-7-1 30 Los Angeles San Gabriel Canyon. North of State Route 39 and east of Roberts Canyon. Comment
  RSA428008  Phacelia imbricata subsp. patula Thekla Mohr 1915-1 3135 Los Angeles North Fork, San Gabriel River. Comment
  RSA656842  Phacelia longipes Valerie L. Soza, LeRoy Gross 2000-6-15 1023 Los Angeles South-facing slope of southeastern extension of Lookout Mountain, below firebreak, ca. 0.25 mile SE of summit. 1860 Comment
  RSA187965  Phacelia lyonii Robert F. Thorne 1966-4-5 35810 Los Angeles Santa Catalina Island. Along small stream in Middle Ranch Canyon below Stage Station SW of Eagles Nest. 76 Comment
  SBBG93598  Phacelia lyonii M. B. Dunkle 1928-5-12 1929 Los Angeles Empire Landing, along old rd Comment
  RSA599673  Phacelia minor Steve Boyd, Lauren Raz 1997-5-6 9692 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA651302  Phacelia minor Lori Ackerman, Gerald Braden 1988-4-22 2 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  UCR186758  Phacelia minor T. B. Salvato, Sandra Murcia 2007-3-28 2013 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  RSA0003854  Phacelia minor Marcus E. Jones 1882-2-27 3031 Los Angeles Pasadena. Comment
  RSA533414  Phacelia minor Tim S. Ross 1991-4-21 4523 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  RSA650538  Phacelia minor Eleanor McClung 1937-4-18 136 Los Angeles Vasquez Rd. Comment
  RSA660471  Phacelia minor Mary C. Hunter 1994-5-25 22 Los Angeles Altadena foothills; Top of Lake Ave; East of Lake Ave. Comment
  RSA7454  Phacelia minor Fay A. MacFadden 1930-5-9 1654 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  UCR223209  Phacelia mohavensis R. G. Swinney 2009-5-27 10895 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  VVC278  Phacelia parryi P. J. MacKay 1975-4-8 s.n. Los Angeles Cismontane S Cal, Cal Poly Pomona campus, above and to the east of the health center 293 Comment
  NY83883  Phacelia polysperma L. Abrams 1908-7-2 560 Los Angeles Rock Creek, desert slope of the San Gabriel Mountains 1158.2 Comment
  RSA642099  Phacelia ramosissima var. ramosissima Orlando Mistretta, R. T. Hawke 1995-6-29 1862 Los Angeles San Gabriel Mountains: Lightening Ridge Trail, Blue Ridge. Comment
  RSA0103788  Phacelia tanacetifolia R. G. Swinney 2011-4-20 14464 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  RSA106837  Phacelia tanacetifolia Percy C. Everett, Nick Lolonis 1962-4-30 24459 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  RSA654576  Phalaris arundinacea B. L. Bement 1977-4-30 s.n. Los Angeles Cal Poly Pomona Campus. Comment
  CAS-BOT-BC259050  Phalaris lemmonii I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  CAS-BOT-BC250597  Phalaris minor Street; Williams 1919-5-10 2836 Los Angeles Bassett Comment
  SEINET4182707 Image available Phalaris minor Carl B. Wolf 1932-5-14 3633 Los Angeles Santa Catalina Island. Avalon. Above the amphitheater. 61 Comment
  RSA0004089  Pholisma paniculatum Bonnie C. Templeton, Pierce, Pool 1938-8-10 4588 Los Angeles Between El Segundo & Playa del Rey 4 Comment
  SBBG31448  Pholistoma auritum R. F. Thorne 1966-4-5 Los Angeles Cape Cyn 274 Comment
  UC284274  Pholistoma auritum P. A. Munz 1923-4-9 6663 Los Angeles e. coast San Clemente Isl. Comment
  RSA248846  Pholistoma auritum Robert F. Thorne 1973-4-11 42869 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  SD75537  Pholistoma racemosum Reid Moran 1941-2-17 574 Los Angeles San Clemente Island. Middle Ranch, east side of ravine, among rocks. 500 Comment
  SD215691  Phoradendron leucarpum subsp. tomentosum Timothy S. Ross, Steve Boyd, Orlando Mistretta & Peter W. Fritsch 1990-6-25 3848 Los Angeles Crystal Lake USGS 7.5' Quad. 1676 Comment
  RSA702562  Phoradendron villosum Scott D. White 2004-5-10 10357 Los Angeles Liebre Mountains: North slope below Bald Mountain. 1098 Comment
  UCR210457  Picris echioides R. G. Swinney 2008-11-29 9855 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  JEPS37023  Picrothamnus desertorum R. F. Hoover 1938-4-16 3125 Los Angeles Lancaster Comment
  RSA522981  Pinus halepensis T. S. Ross, Orlando Mistretta 1990-10-24 3287 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. Ca 1/4 air-mile SSW of Camp Oak Grove along Upper Monroe Road. 524 Comment
  CAS-BOT-BC78870  Pinus monophylla G. B. Grant 1901-6-15 s.n. Los Angeles Seven Oaks Trail 1828 Comment
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Oct 10 2020
  RSA384364  Pinus monophylla George R. Johnstone 1928-03 s.n. Los Angeles Near Little Rock, Mojave Desert Comment
  UC1134054  Pinus monophylla A. Lewis 1934-2-1 271 Los Angeles 1.5 mi sw Una Lake; Elizabeth Lake 1219 Comment
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Dec 15 2014
  RSA382798  Piperia michaelii George Henry Grinnell 1929-5-29 s.n. Los Angeles Glendale. Comment
  RSA382807  Piperia michaelii George Henry Grinnell 1929-4-15 s.n. Los Angeles Eagle Rock. Comment
  UCR129387  Piptatherum miliaceum L. C. Wheeler 1933-9-10 2104 Los Angeles San Gabriel Mtns., Santa Anita Canyon 534 Comment
  LA105080  Piptatherum miliaceum Barry A. Prigge; 1988-7-3 8186 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
  RSA674691  Plagiobothrys canescens Scott D. White, S. Leateherman, David E. Bramlet, A. O'Neal, Walter sangkatavat 2001-4-24 8406 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  UCR216684  Plagiobothrys collinus Dan S. Cooper 2010-5-13 510- 44 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., northern base of Burbank Peak, Griffith Park 322 Comment
  RSA709408  Plantago erecta A. C. Sanders, T. B. Salvato 2005-4-26 29736 Los Angeles Western San Gabriel: Liebre Mtns. Region: Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  SBBG18713  Plantago erecta E. R. Blakley 1963-4-7 5529 Los Angeles between Haypress and Gallagher Cyn's head 411 Comment
  UC28038  Plantago erecta J. H. Barber 1897-3-23 89 Los Angeles near Soldiers' Home; Santa Monica Comment
  OBI2691  Plantago erecta E. Ryel 1967-4-8 14 Los Angeles Glendora Mt rd 3 mi N of Sierra Madre 457 Comment
  RSA188084  Plantago erecta Robert F. Thorne 1966-4-28 36261 Los Angeles Santa Catalina Island. Water tank above Mausoleum, Avalon Canyon above road 183 Comment
  RSA632003  Plantago erecta Louis C. Wheeler 1969-5-3 s.n. Los Angeles San Gabriel Mtns. Bluebird truck trail. 716 Comment
  RSA719818  Plantago indica R. G. Swinney 1997-7-14 5675 Los Angeles Glendora, Big Dalton Canyon Percolation Basin, east side of Glendora Mtn. Rd. 320 Comment
  RSA608256  Plantago major Louis C. Wheeler 1966-10-25 9059 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA0115681  Plantago major Steven A. Junak 1997-11-15 SCa- 481 Los Angeles Santa Catalina Island. Avalon Canyon at Los Angeles County Interpretive Center. 76 Comment
  RSA258423  Plantago major C. W. Tilforth 1972-5-12 536 Los Angeles Found only in one area o the Mesa. Comment
  RSA643426  Plantago major B. Pitzer, P. Gomez 1996-4-28 2751 Los Angeles Harbor City/ City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Highway (St. Hwy) and Vermont Ave. Comment
  SBBG68791  Plantago major M. N. Ackley 1929-5-26 781 Los Angeles San Dimas Cyn 457 Comment
  SD69564  Plantago major Robert F. Thorne 1966-6-1 36485 Los Angeles Santa Catalina Island; weed in former lawn of razed St. Catherine's Hotel, north of Avalon. 4 Comment
  SBBG20526  Plantago ovata var. insularis E. R. Blakley 1963-12-7 6356 Los Angeles mouth of cyn between Pyramid Head and Cove and S of Triangulation Pt Guds 15 Comment
  UCR208880  Plantago patagonica F. W. Peirson 1921-5-20 2410 Los Angeles Transverse Ranges; San Gabriel Mountains, Little Rock Creek 960 Comment
  UC405466  Platanus racemosa Geo. B. Grant 1904-5-10 1007 /6169 Los Angeles Pasadena Comment
  UCD143187  Platanus racemosa Louis C. Wheeler 1946-8-27 6263 Los Angeles San Gabriel Mountains, Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1112 Comment
  SEINET4890925  Platanus racemosa G. B. Grant 1904-5-5 1007 Los Angeles Pasadena Comment
  UC635475  Platystemon californicus Curtis Ferris 1923-3-21 83 Los Angeles Fairmont Comment
  UC72709  Platystemon californicus Pupils of Los Angeles High School 1902-3 Los Angeles Garvanza Comment
  RSA0121226  Platystemon californicus M. B. Dunkle 1933-4-19 3321 Los Angeles Palos Verdes Hills. Comment
  RSA593019  Platystemon californicus var. crinitus Steve Boyd 1996-4-25 8728 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, north side of Cold Canyon along Forest Service Road 7N23 ca 2.3 road miles N of jtn with 7N22. 1537 Comment
  UC1070064  Pluchea sericea A. D. Gifford 1935-5-8 681 Los Angeles junction of Castaic and Elizabeth Lake Canyon; Tejon Quad. 396 Comment
  UC35680  Pluchea sericea Dr. A. Davidson June 1892 Los Angeles Wilsons Peak Comment
  SEINET7709122  Poa annua L. C. Wheeler 1934-2-10 2374 Los Angeles 2 mi. NE of La Verne. 373 Comment
  UCR2714  Poa nervosa George B. Grant 1905-4-4 1016- 6463 Los Angeles Pasadena Comment
  UCR209615  Poa pratensis R. G. Swinney 2008-10-10 9579 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  POM158251  Poa secunda M. B. Dunkle 1928-3-31 1782 Los Angeles Santa Catalina Island. Campo Blanco 152 Comment
  RSA588902  Poa secunda Timothy S. Ross, Steve Boyd 1990-5-15 2539 Los Angeles Yerba Buena Ridge, Tujunga RAnger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE) 1012 Comment
  RSA728781  Poa secunda Gary D. Wallace 1979-4-19 1688 Los Angeles Mojave Desert, w. of Fairmont along Lancaster Rd. Comment
  UCR223559  Poa secunda R. G. Swinney 2009-6-2 10983 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR272354  Poa secunda subsp. juncifolia R. G. Swinney 2011-6-20 15231 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  LA12629  Poa secunda subsp. secunda Louis Wheeler; April 1932 565 Los Angeles Antelope Valley, 4 mi. WSW Fairmont 914 Comment
  LA33427  Poa secunda subsp. secunda Peter H. Raven; 1959-4-4 13963 Los Angeles SANTA MONICA MOUNTAINS, just E of Zuma Beach. 24 Comment
  OBI2548  Poa secunda subsp. secunda Larry E. Brown 1970-5-2 1794 Los Angeles San Gabriel Mts. Ca 10 mi S of Joshua Tree State Park Comment
  CATA3030  Polycarpon tetraphyllum Amy Catalano 2016-3-14 036 Los Angeles Santa Catalina Island: 106 Middle Ranch, backyard, along back side of house and sidewalk 202 Comment
  SBBG31083  Polygonum arenastrum R. F. Thorne 1966-9-16 36713 Los Angeles margin of reservoir at Hay Press 411 Comment
  RSA466389  Polygonum argyrocoleon E. S. Spalding 1925-9-19 s.n. Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  UCR255857  Polygonum aviculare Dan S. Cooper 2014-5-19 514- 57 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Wonder View Dr., northwest of Hollywood Reservoir 273 Comment
  RSA609071  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1931-3-7 s.n. Los Angeles 2 miles NE. La Verne. 381 Comment
  CAS-BOT-BC414180  Polygonum aviculare subsp. depressum Geo. B. Grant 1905-11-1 s.n. Los Angeles Pasadena Comment
  RSA602463  Polygonum hydropiperoides Scott D. White 1997-5-14 5125 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  UCR256836  Polygonum lapathifolium R. G. Swinney 2010-8-16 13545 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UC371188  Polypodium californicum unknown Jun 1902 Los Angeles S Cal, Sierra Madre Mts. Comment
  UC61202  Polypodium californicum H. P. Chandler 1897-4-12 Los Angeles Palmer's Canyon Claremont 731 Comment
  UCSB62351  Polypodium californicum Kiefer, Lawrence 1967-1-14 Los Angeles San Gabriel Mtns., N of Sylmar, Sombrero Canyon, ca. 1.5mi N of Foothill Blvd 609 Comment
  UCSB62378  Polypodium californicum Kiefer, Lawrence 1967-5-13 Los Angeles San Gabriel Mtns., N of Mt. Wilson, Shortcut Canyon, tributary of the W fork of the San Gabriel River 1066 Comment
  UCSB62396  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canyon Comment
  CATA113  Polypogon interruptus Peter Henrikson 1987-5-8 84 Los Angeles Santa Catalina Island: Little Springs Canyon 30 Comment
  RSA600146  Polypogon maritimus Steve Boyd, Lauren Raz 1997-5-6 9737 B Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  CAS-BOT-BC232402  Polypogon monspeliensis Joseph Andorfer Ewan 1936-7-22 9813 Los Angeles San Gabriel Mountains. Cienega, Big Pines Meadow 2072 Comment
  SFV21111  Polypogon monspeliensis L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1111 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. At concrete tunnel at north end of 210 Freeway. 457 Comment
  UC1870299  Polypogon monspeliensis LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1111 Los Angeles Transverse Range: Verdugo Mountains Region.; N side of mountains: Entered W of Haines Canyon Park, off of Estepa Drive in Tiujuanga. Follow a ridge SW, then W into a small tributary NW of this ridge. Tributary is N of the 210 freeway. S of 210, tributary drains into La Tuna Canyon. Survey N of 210 457 Comment
  UCR256863  Polypogon semiverticillatus R. G. Swinney 2010-8-16 13540 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CATA1359  Polypogon viridis Mark L. Hoefs, Robert F. Thorne 1995-7-26 2471 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below Eagle's Nest Lodge 134 Comment
  POM307020  Polystichum imbricans subsp. imbricans Henry J. Ramsey, Henry J. Ramsey 1937-7-18 1903 Los Angeles Altadena, San Gabriel Mts., Soldier's Creek. Comment
  CAS-BOT-BC410012  Populus X parryi Herman Knoche 1919-6-28 952 Los Angeles Middle Ranch, Santa Catalina Island Comment
  POM249844  Populus X parryi F. R. Fosberg 1931-5-7 S 4830 Los Angeles Santa Catalina Island. Cottonwood Canyon, just below Cape Blanco. Comment
  RSA233603  Populus X parryi Robert F. Thorne 1970-3-6 39386 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon near bridge. 30 Comment
  POM366489  Potentilla anserina var. grandis Louis Greata 1900-9-2 s.n. Los Angeles Near Ballona. Comment
  RSA0008278  Potentilla multijuga H. E. Hasse 1890-08 s.n. Los Angeles Flats near Ballona Comment
  RSA548671  Prosopis glandulosa var. torreyana Tim S. Ross, Annette Ross 1991-6-3 5554 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  RSA14725  Prunus ilicifolia Fay A. MacFadden 1929-06 1072 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA497995  Prunus ilicifolia H. L. Bauer 1932-4-1 15387 Los Angeles Saddle Peak road. 671 Comment
  RSA454126  Prunus ilicifolia subsp. ilicifolia L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  RSA695390  Prunus ilicifolia subsp. ilicifolia A. C. Sanders, Mark A. Elvin 2002-6-19 25187 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  RSA599347  Prunus persica Steve D. Boyd, Lauren Raz 1997-3-26 9376 Los Angeles Liebre Mountains region: 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
  UCR223623  Prunus persica R. G. Swinney 2009-6-27 11288 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  UCR73405  Prunus persica T. S. Ross 1991-4-21 4499 Los Angeles Whittier Hills (Puente Hills, pro parte): Turnbull Canyon drainage near mouth of canyon 154 Comment
  UC1714460  Pseudognaphalium Ernest Braunton 1839-1 Los Angeles Los Angeles Comment
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Feb 27 2020
  CAS-BOT-BC356550  Pseudognaphalium biolettii F. Grinnell 1903-7-3 s.n. Los Angeles Scoville Hill, near Pasadena Comment
  UCR4209  Pseudognaphalium biolettii K. S. Gill 1965-3-20 14 Los Angeles San Gabriel Mtns., Palmer-Evey Motorway in foothills of Mt. Baldy, 5 miles north of Claremont 610 Comment
  JEPS26549  Pseudognaphalium biolettii Peter Kamb 1948-3-6 796 Los Angeles s crest of the San Rafael Hills 457 Comment
  POM358752  Pseudognaphalium biolettii James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  CAS-BOT-BC356704  Pseudognaphalium californicum Herman Knoche 1919-6-24 Series A, No. 881 Los Angeles Catalina Island Comment
  RSA0036278  Pseudognaphalium californicum Bill Duval s.n. Los Angeles Montrose Comment
  UC469109  Pseudognaphalium microcephalum unknown 1902-5-1 Los Angeles Laurel Canon Comment
  UC1595406  Pseudognaphalium microcephalum Tim Ross and Annette H. Ross 1991-7-29 5686 Los Angeles Elephant Hill Puente Hills, San Dimas Quadrangle, West Pomona, Elephant Hi (West Pomona, n most point of the Puente Hills, on San Dimas USGS 7.5 ft quad, on rocky xeric sw ridge) 310 Comment
  UC1348837  Pseudotsuga macrocarpa unknown 1938-9-21 8387 Los Angeles Altadena 609 Comment
  UCR258607  Pteridium aquilinum R. G. Swinney 2010-8-26 13603 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  CAS-BOT-BC421192  Pterostegia drymarioides B. Pitzer 1998-5-23 3756 Los Angeles Soledad Canyon: vicinity of Soledad Pass, Soledad Canyon Rd ca. 1/2 mi. S of Sierra Hwy. 945 Comment
  RSA586345  Pterostegia drymarioides Orlando Mistretta 1995-3-17 1548 Los Angeles San Gabriel Mountains: slopes NW of Little Rock Reservoir. On Emma section of Little Rock creek Managment Unit. 1250 Comment
  RSA65369  Pterostegia drymarioides F. W. Peirson 1925-4-23 5790 Los Angeles Forks of San Gabriel River. 534 Comment
  UCR47064  Purshia tridentata var. tridentata A. E. Metcalf 1987-5-23 45 Los Angeles San Gabriel Mtns., West of Wrightwood on Highway 2, 8.4 mi. west of junction of Hwy 2 and Hwy 138, at a private road to Rio Hondo Prep School 1845 Comment
  UC25276  Pycnanthemum californicum J. H. Barber 1897-6-30 239 Los Angeles Pierson's Mine Comment
  UCD170505  Quercus agrifolia var. agrifolia D. O. Burge 2017-4-3 2239 Los Angeles Santa Monica Mountains, Rocky Oaks Dam. 530 Comment
  RSA595796  Quercus berberidifolia Steve Boyd, Lauren Raz 1996-10-8 9016 Los Angeles Liebre Mountains region, crest of Sierra Pelona area at the headwaters of the westerly fork of Maple Canyon, west of Mount McDill. 1402 Comment
  UCD45318  Quercus berberidifolia John M. Tucker 1948-9-26 1879 Los Angeles California, Los Angeles Co.; 11.4 mi. west of Palmdale, beside road to Elizabeth Lake; Comment
  UCR111524  Quercus berberidifolia A. C. Sanders, D. Malueg 1998-6-22 22035 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCR189938  Quercus berberidifolia T. B. Salvato, Sandra Murcia 2007-10-18 3092 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  CAS-BOT-BC62528  Quercus chrysolepis W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  POM123327  Quercus chrysolepis Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  RSA652325  Quercus chrysolepis Paul M. Inman 1983-5-15 51583 -4 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabrile Mountains, about 1 mile north of Arcadia, growing at 3000' [along] the upper Winter Creek trail above Hoegees Camp. 915 Comment
  RSA773603  Quercus chrysolepis R. G. Swinney 2009-6-24 11266 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  SDSU19646  Quercus chrysolepis Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2204 A Los Angeles San Clemente Island, south side of Eagle Canyon. 457 Comment
  UC1135366  Quercus chrysolepis G. T. Nordstrom 1935-3-24 412 Los Angeles 1.5 mi se Mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quad 701 Comment
  CAS-BOT-BC86405  Quercus dumosa P. B. Kennedy 1907-4-21 s.n. Los Angeles Avalon, Catalina Island Comment
  UCSB24636  Quercus durata Wheeler, Louis 1931-11-6 Los Angeles Foot of hills 1/2 mi. E Palmer Canyon, San Gabriel Mts. 609 Comment
  RSA0091710  Quercus durata var. gabrielensis R. G. Swinney 2011-4-9 14370 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA703508  Quercus durata var. gabrielensis Scott D. White 2004-9-3 10747 Los Angeles San Gabriel Mountains: 'Grizzly Flat,' ca. 1 air mile N of Angeles Crest Hwy and ca. 1 air mi S of Big Tujunga Cyn. Rd. 732 Comment
  CAS-BOT-BC94178  Quercus engelmannii Geo. B. Grant 1901-1-1 s.n. Los Angeles Pasadena Comment
  RSA0110803  Quercus engelmannii Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14351 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead. 268 Comment
  SFV21072  Quercus engelmannii L. Gross 2001-3-23 344 Los Angeles Verdugo Mountains North side of mountains on Whiting Woods Mountainway, dirt road at end of Whiting Woods Road, in Verdugo City. Road starts at Henderson Canyon and climbs to the main crest. 488 Comment
  CAS-BOT-BC105251  Quercus kelloggii Timothy S. Ross; Steve Boyd 1994-6-23 8031 Los Angeles Liebre Mountains. Sawmill Mountain: 5514- ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle 1680 Comment
  POM243779  Quercus pacifica F. R. Fosberg 1931-7-16 S 5435 Los Angeles Gallagher's Canyon, Santa Catalina Island. 100 Comment
  CAS-BOT-BC257064  Quercus tomentella P. S. Manos 1988-10-28 705 Los Angeles San Clemente Island, Twin Canyons 213 Comment
  RSA479366  Quercus tomentella Mark Hoefs 1974-10-3 579 Los Angeles Santa Catalina Island, ridge between Sweetwater Canyon and Cape Canyon on Sweetwater side 457 Comment
  RSA479372  Quercus tomentella Mark Hoefs 1974-9-25 562 Los Angeles West fork of Gallagher's Canyon, Santa Catalina Island. 160 Comment
  RSA488013  Quercus tomentella Mark Hoefs, Propst 1974-5-10 470 Los Angeles Santa Catalina Island: upper Fern Canyon 335 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
  SBBG43934  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SD107852  Quercus tomentella Larry DeBuhr, Gary Wallace 1972-9-3 714 Los Angeles San Clemente Island, on rocky canyon walls of Horse Canyon, the large canyon from Thirst Peak to the SW 456 Comment
  SD75586  Quercus tomentella M. B. Dunkle 1939-11-25 7357 Los Angeles San Clemente Island, NE slope Comment
  RSA0080744  Quercus wislizeni R. G. Swinney 2010-8-11 13513 Los Angeles Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  UC1135887  Quercus wislizeni A. D. Gifford 1935-3-26 289 Los Angeles 2.25 mi wnw Sawmill Peak; Angeles National Forest, Tejon Quad. 1432 Comment
  SEINET7143825  Quercus wislizeni Ralph R. Wilson 1941-4-18 514 Los Angeles San Dimas Experimental Forest above Glendora.; 0 914 Comment
  LA93205  Quercus wislizeni var. frutescens Kei Nakai; 1975-11-11 sn Los Angeles 426 Comment
  UC1135905  Quercus wislizeni var. frutescens R. St. John 1930-2-6 87 Los Angeles Oat Mountain Santa Susana Quad. 1066 Comment
  RSA629054  Rafinesquia californica Valerie L. Soza, Laura Moore 1999-6-30 600 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  UCR205184  Rafinesquia californica R. G. Swinney 2008-4-30 8718 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA590601  Rafinesquia californica Timothy S. Ross, Walter Appleby 1993-5-13 7113 Los Angeles Western San Gabriel Mountains, steep northerly slope 850 meters NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  UC284970  Rafinesquia californica P. A. Munz 1923-4-10 6755 Los Angeles canyon on w coast San Clemente Island Comment
  RSA250509  Ranunculus cymbalaria var. saximontanus Robert F. Thorne, John Dourley 1967-10-10 37341 Los Angeles Angeles National Forest: Jackson Lake, W end of lake. 1867 Comment
  RSA0110778  Raphanus sativus Steven A. Junak 2000-5-18 SCa- 1301 Los Angeles Santa Catalina Island. N side of N Shore Road, 0.6 mi E of turn-off for Howland's Landing. 39 Comment
  SBBG25547  Raphanus sativus D. Emery 1947-4-4 Los Angeles San Fernando Valley Comment
  UC535548  Rhamnus californica Ira W. Clokey, B. Templeton Jun 1929 4586 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  RSA653682  Rhamnus californica subsp. californica Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 874 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. At Sacred Council junction off main road. 366 Comment
  CAS-BOT-BC59971  Rhamnus crocea Louis Wheeler 1932-4-1 539 Los Angeles Near La Verne 403 Comment
  CHSC95548  Rhamnus crocea LeRoy Gross; Naomi Fraga, Bill Hogshead 2002-3-21 501 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. On northwest facing slope in small canyon above (east) of Village Christian School in Sun Valley. 366 Comment
  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
  RSA390841  Rhamnus ilicifolia Louis C. Wheeler 1932-3-19 530 Los Angeles Head Mandeville Canyon, Santa Monica Mts. 457 Comment
  RSA527724  Rhamnus ilicifolia Tim S. Ross, Annette H. Ross 1991-3-7 4154 Los Angeles Elephant Hill: Western Pomona. 341 Comment
  UC592727  Rhamnus ilicifolia Carl B. Wolf 1928-5-11 2179 Los Angeles just above where the Los Angeles Aqueduct crosses the highway on Newhall Grade Comment
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Dec 13 2015
  UC80240  Rhamnus ilicifolia Ernest Braunton Jun 1902 483 Los Angeles Griffith Park Comment
  CAS-BOT-BC199070  Rhus aromatica W. R. Dudley; F. H. Lamb 1896-6-9 4412 Los Angeles Elizabeth Lake, Liebre Mts. Comment
  CAS-BOT-BC167916  Rhus integrifolia Robert F. Thorne; P. C. Everett 1964-2-6 33428 Los Angeles (Perhaps 1 mi. SW of Empire Landing), N Central part of Santa Catalina Island 243 Comment
  RSA167661  Rhus integrifolia R. F. Thorne, P. Everett 1964-2-6 33286 Los Angeles Santa Catalina Island. W of Catalina Harbor at Isthmus. 5 Comment
  RSA386475  Rhus integrifolia F. R. Fosberg 1931-3-18 S- 4286 Los Angeles Hamilton Canyon, Santa Catalina Island. 20 Comment
  UC1787300  Rhus integrifolia A. C. Sanders 2003-5-26 26835 Los Angeles San Gabriel Valley: on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Sante Fe RR, east of the San Gabriel River channel 170 Comment
  RSA0029483  Rhus integrifolia Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 1 Los Angeles Santa Catalina Island. Deer Valley Trail. 4 Comment
  SEINET3155707  Rhus integrifolia var. integrifolia G. B. Grant 1120 Los Angeles Pasadena Comment
  UCR205675  Rhus laurina A. C. Sanders, T. B. Salvato 2009-5-29 37032 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  IRVC28603  Rhus ovata A. C. Sanders, Mark Elvin 2002-6-20 25210 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  RSA0106774  Rhus ovata R. G. Swinney 2011-11-3 15995 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA591468  Rhus ovata L. C. Wheeler 1966-10-12 8966 Los Angeles San Gabriel Mountains. Susanna Canyon, 1/4 mi. downstream from falls. 533 Comment
  SBBG17832  Rhus ovata E. R. Blakley 1963-4-8 5541 Los Angeles head of Avalon Valley near Wrigley Memorial 137 Comment
  SEINET13384026 Image available Rhus ovata R. G. Swinney 2010-1 12103 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  JEPS66276  Rhus trilobata Frank W. Peirson 1919-3 342 Los Angeles Monrovia Canyon, Arroyo Seco Monrovia Canyon; San Gabriel Mountains 426 Comment
  RSA602050  Ribes aureum var. gracillimum Scott D. White 1997-5-7 5068 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I-210 freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  RSA612176  Ribes aureum var. gracillimum Ma. Elena Siqueiros 1997-3-8 4346 Los Angeles NW corner of Mills Ave, and Foothill Blvd, Claremont, West of main road on foothill entrance, jct of two fire roads, south of old infirmary. 412 Comment
  PASA2244  Ribes californicum Annetta Carter 1928-12-26 Los Angeles Mt. Wilson Trail, Mt. Wilson, Pasadena Comment
  UC1127639  Ribes californicum var. hesperium Jerome S. Horton 1936-6-19 359 Los Angeles above Flume#3 (San Dimas Canyon); Cucamonga Quadrangle, San Dimas Experimental Forest Comment
  CAS-BOT-BC173107  Ribes indecorum Le Roy Abrams; E. A. McGregor 1908-7-5 673 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 1066 Comment
  RSA476172  Ribes indecorum Louis C. Wheeler 1932-1-31 440 Los Angeles foothills San Gabriel Mts. 1 mi. E Palmer Canyon. 609 Comment
  UC11550  Ribes indecorum W. H. Brewer 1861-2-16 200 Los Angeles San Fernando Valley 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
  HSC90100  Ribes malvaceum Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-12 10 Los Angeles Angeles National Forest, Glendora Mtn. Rd. Comment
  RSA582208  Ribes malvaceum Tim S. Ross, Steve D. Boyd 1992-7-5 6614 Los Angeles Liebre Mts: Red Mountain: rocky summit area. 1201 Comment
  UCR3492  Ribes malvaceum Frances Miller 1964-4-11 6418 Los Angeles San Gabriel Mtns, Southern slopes of Mt. Wilson, 1 mi up trail from Winter Creek Trail to Orchard Camp Trail, Winter Creek Canyon 1220 Comment
  RSA84497  Ribes malvaceum var. viridifolium F. W. Peirson 1919-12-2 2342 Los Angeles West Fork of Rubio Canyon, Sn Gabriel Mts 1067 Comment
  POM156289  Ribes nevadense L. R. Abrams 1902-6-30 2583 Los Angeles summit of Mt. Wilson Comment
  RSA476204  Ribes nevadense Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  SBBG112162  Ribes roezlii C. Bornstein, B. Collins 1997-4-14 Los Angeles Liebre-Sawmill Mtn Rd [USFS 7N23], Liebre Mtns 1615 Comment
  UCR276730  Ribes roezlii R. G. Swinney 2010-9-21 13852 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  UCR124733  Ribes roezlii var. roezlii B. C. Templeton 1932-7-21 5020 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  LA26151  Ribes speciosum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  RSA476290  Ribes speciosum Anstruther Davidson 1890-4-10 s.n. Los Angeles Cahuenga Comment
  UC61519  Ribes viburnifolium Geo. B. Grant 1904-4-24 5053 Los Angeles n Isthmus; Catalina Island Comment
  SBBG31412  Ricinus communis R. F. Thorne with P. C. Everett 1965-6-22 34875 Los Angeles behind Bird Park 91 Comment
  RSA652729  Robinia pseudoacacia N. D. Hogg 1969-5-16 s.n. Los Angeles San Antonio Canyon, 2 mi. So. of Mt. Baldy Village Comment
  CAS-BOT-BC92176  Romneya coulteri var. coulteri June Giddings s.n. Los Angeles Altadena. Comment
  SD85079  Rorippa nasturtium-aquaticum E. R. Blakley 1962-10-5 5442 Los Angeles Santa Catalina Island; Cottonwood Canyon , 0.25 mile upstream from ocean. 29 Comment
  RSA654412  Rosa californica Matt Brooks 1988-5-12 64 Los Angeles Hacienda Heights, Oak Canyon Dr. 0.8 miles south of its intersection with Turnbull Canyon Rd. Comment
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Aug 12 2014
  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
  RSA729490  Rosa woodsii subsp. gratissima R. G. Swinney 1999-6-21 7380 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  UCR217412  Rumex crispus R. G. Swinney 2009-3-10 10067 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR282526  Rumex dentatus D. E. Bramlet, Robt. L. Allen 2011-5-24 4849 Los Angeles Coastal Plains and Basins; Los Angeles Basin, Whittier Narrows Recreation Area, 422 ft. NW of the dam spillway & 576 ft. south of Siphon Road. 60 Comment
  LA38811  Rumex fueginus Peter H. Raven; Henry J. Thompson 1959-10-4 14579 Los Angeles 9 Comment
  CAS-BOT-BC433578  Rumex hymenosepalus Le Roy Abrams 1901-4-6 1399 Los Angeles Monte Vista Comment
  SD85198  Rumex salicifolius Martin A. Piehl 1962-10-3 62500 Los Angeles Santa Catalina Island, Echo lake Comment
  RSA579215  Rumex salicifolius Tim S. Ross, S. D. Boyd 1994-7-7 8157 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  LA33962  Ruppia cirrhosa Peter H. Raven; Henry J. Thompson 1959-9-6 14360 Los Angeles Santa Monica Mountains, Malibu Lagoon, mouth of Malibu Creek 1 Comment
  RSA0055074  Salazaria mexicana James R. Shevock 1972-4-25 1589 Los Angeles Sierra Highway, near Palmdale. 967 Comment
  UC465479  Salicornia subterminalis unknown 1920-1-21 4610 Los Angeles Isthmus Santa Catalina Island Comment
  CAS-BOT-BC125938  Salix X rubens Geo. B. Grant 1905-4-15 s.n. Los Angeles Oak Knoll, Pasadena Comment
  CAS-BOT-BC103745  Salix exigua G. L. Moxley 1922-6-12 56 -1273 Los Angeles San Francisquito [Canon] Canyon Comment
  UCR259360  Salix gooddingii R. G. Swinney 2010-4-20 12292 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0034852  Salix laevigata var. araquipa H. P. Bracelin, F. R. Fosberg 1931-10-11 568 Los Angeles Lower Topanga Canyon, San Monica Mountains. 15 Comment
  CATA3188  Salix lasiolepis Julia Parish 2016-8-9 006 Los Angeles Santa Catalina Island: East of Old Cottonwood Dam Road, at drainage crossing 68 Comment
  POM182047  Salix lasiolepis F. R. Fosberg 1932-3-3 7410 Los Angeles Agoura (Picture City). Comment
  POM362702  Salix lasiolepis Blanche Trask 1901-03 s.n. Los Angeles Avalon, Catalina Island. Comment
  RSA526471  Salix lasiolepis Tim S. Ross 1991-3-24 4304 Los Angeles Whittier Hills (Puente Hills, pro parte): Lower Turnbull Canyon Comment
  SBBG93111  Salix lasiolepis D. Swinney 1990-2-12 1512 Los Angeles near Glendora, Big Dalton Debris Basin 351 Comment
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Mar 3 2013
  SD37396  Salix lasiolepis Edith A. Purer 1931-3-15 1018 Los Angeles Griffith Park, along stream edge Comment
  CAS-BOT-BC107533  Salix lasiolepis var. lasiolepis Alice Eastwood Aug. 18 s.n. Los Angeles Antelope Valley Comment
  LA210396  Salix lucida subsp. lasiandra Carl Hedin; Joseph Andorfer Ewan 1932-6-28 7674 Los Angeles Los Angeles River at Los Feliz Bridge Comment
  CAS-BOT-BC125660  Salix melanopsis Joseph Andorfer Ewan 1936-8-8 9987 Los Angeles Swartout Valley Meadow, San Gabriel Mts. 1905 Comment
  CAS-BOT-BC126300  Salix sessilifolia F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  SBBG131988  Salsola tragus S. A. Junak, R. Philbrick 1990-11-8 SCI 128 Los Angeles Wilson Cove Comment
  RSA0116639  Saltugilia splendens subsp. grantii Orlando Mistretta, Christine Mistretta 2008-4-16 2472 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  RSA469654  Saltugilia splendens subsp. grantii Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon 1463 Comment
  UC303706  Saltugilia splendens subsp. grantii D. L. Crawford 1916-6-30 Los Angeles Bear Canyon San Antonio Mts., Bear Canyon 2133 Comment
  UCR271256  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-12 14698 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  RSA0100132  Salvia apiana R. G. Swinney 2011-5-31 14894 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  RSA578531  Salvia apiana Tim S. Ross, Steve D. Boyd 1994-6-22 8009 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  POM49296  Salvia apiana L. W. Nuttall 1920-5-22 s.n. Los Angeles Santa Catalina Island. Rock Spring canyon. Comment
  UCR186974  Salvia carduacea A. C. Sanders 2006-4-10 31988 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
  PASA477  Salvia columbariae J. E. Giguette may '26 Los Angeles Big Tujunga Comment
  UC25690  Salvia columbariae Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  CAS-BOT-BC214318  Salvia dorrii var. pilosa B. Ertter; J. Strachan 1980-5-18 3443 Los Angeles Forest Road 4N11 along Big Rock Creek just south of junction with Big Pines Highway (Forest Road 4N06) 1/2 mile north of Angeles NF, ca 1 1/2 miles southeast of Valyermo, south side San Gabriel Mountains 1219 Comment
  RSA725119  Salvia dorrii var. pilosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -41 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  CAS-BOT-BC233695  Salvia leucophylla Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route Comment
  RSA434098  Salvia leucophylla F. R. Fosberg 1931-6-19 S- 5157 Los Angeles Carbon Canyon, Puente Hills Range. Comment
  RSA727070  Salvia leucophylla Jay Walker, R. C. Walker 3190 Los Angeles NW of Castaic Lake. Along Ridge Route, 1.0 miles south of Templin road. Comment
  CAS-BOT-BC229992  Salvia mellifera Grant 1897-9-30 s.n. Los Angeles Pasa [Pasadena] Comment
  OBI69242  Salvia mellifera John Knapp, Denise Knapp 2003-4-13 18 Los Angeles Catalina Island 3687871.928N x 377624.177E 64 Comment
  RSA144754  Salvia mellifera Alice Ann Webb 1961-2-28 777 Los Angeles Padua Hills, side road off parking lot, Claremont. San Gabriel Mt. Range 442 Comment
  RSA434124  Salvia mellifera Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. Comment
  RSA59067  Salvia mellifera G. R. Campbell 1950-4-17 14594 Los Angeles Escondido Canyon, on road to Malibu Lake, 8 miles from Hwy Alt. 101. 549 Comment
  UC440462  Salvia mellifera Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  UCD125586  Salvia mellifera F. R. Fosberg 1931-3-18 S 4291 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  LA200593  Salvia spathacea Jonathan Sauer; A. Lang, et. al. 1972-4-5 5029 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  RSA434076  Salvia spathacea A. M. Johnson 1934-5-4 4472 Los Angeles Santa Monica Mtns: Sepulveda Canyon, beyond tunnel; bottom of ravine. Comment
  PASA280  Sambucus cerulea Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA329674  Sambucus mexicana Gary D. Wallace 1975-4-26 1423 Los Angeles Claremont, vacant wash and weedy coastal sage scrub area near Rancho Santa Ana Botanic Garden. Comment
  RSA477570  Sambucus mexicana E. A. McGregor 1963-8-20 s.n. Los Angeles Whittier. Comment
  SEINET13710412  Sambucus mexicana J. Adams, J. Adams (Botany) 1963-1 30 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  OBI69409  Sambucus nigra subsp. caerulea Suzan Barth 1994-5-17 33 Los Angeles Santa Susana Mtns. Aliso cyn 600 m from Sesnon trail head at bottom of first loop Comment
  LA32916  Sanicula arguta Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  RSA595420  Sanicula arguta Mark Hoefs, Robert F. Thorne 1996-4-6 2642 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  SDSU2338  Sanicula arguta R. M. Beauchamp 1967-3-20 366 Los Angeles South of Avalon. Santa Catalina Island. Comment
  SEINET4044457 Image available Sanicula arguta D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Puerco Canyon. 182 Comment
  SEINET4069693 Image available Sanicula arguta M. B. Dunkle 1939-1 7236 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  UC1598723  Sanicula arguta Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UCR213238  Sanicula arguta Dan S. Cooper 2010-3-26 20100326- 21 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, between Fern Canyon and Lower Beacon Trail 198 Comment
  RSA639242  Sanicula bipinnatifida R. F. Thorne, M. Z. Thorne 1971-4-25 41347 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  LA32984  Sanicula crassicaulis Harlan Lewis; 1940-2-24 1085 Los Angeles Santa Monica Mountains, Topanga Canyon 304 Comment
  SEINET12119577  Sanicula laciniata F. W. Johnson 1910-1 s.n. Los Angeles Topanga Canon Comment
  PASA1826  Sanicula tuberosa Sally Ellis 1939-4-7 Los Angeles Puddingstone Dam Comment
  SD254587  Saponaria officinalis R. G. Swinney 2011-7-7 15463 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area (Chilao Flat 7.5'Q) 1098 Comment
  IRVC26139  Sarcodes sanguinea B. C. Templeton 1932-5-31 4865 Los Angeles Jackson Lake, Angeles National Forest San Gabriel Mtns. 1768 Comment
  POM7666  Saxifraga californica P. A. Munz 1920-3-17 3353 Los Angeles Lone Hill, San Dimas. 305 Comment
  CDA4986  Schinus molle T. S. Ross, Annette Ross 1991-3-7 4133 Los Angeles Coastal Plains and Basins; San Bernardino Basin region; Elephant Hill: western Pomona. T1S R9W, W 2/3 S1/2 sec. 26 (projected); San Dimas USGS 7.5 quadrangle. Elev. 780 ft. Comment
  UC1870191  Schinus molle LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 409 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 427 Comment
  RSA356022  Schismus barbatus R. F. Thorne 1973-3-14 42645 Los Angeles San Dimas Canyon near its mouth. Comment
  UCR259755  Schismus barbatus R. G. Swinney 2010-5-11 12628 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  CAS-BOT-BC111305  Schoenoplectus acutus var. occidentalis George B. Grant 1901-5-6 3864 Los Angeles Oak Knoll, Pasadena Comment
  LA15584  Schoenoplectus americanus A. M. Johnson; 1928-4-7 2957 Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, Griffith Park Comment
  RSA366050  Schoenoplectus americanus F. R. Fosberg 1930-6-23 S- 2964 Los Angeles Del Rey. 0 Comment
  RSA127824  Schoenoplectus californicus Peter H. Raven, H. J. Thompson 1959-9-6 s.n. Los Angeles Santa Monica Mountains: Malibu Creek., 34 deg N, 118 deg -119 deg W. 6 Comment
  RSA604398  Schoenoplectus maritimus Mark Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2483 Los Angeles Santa Catalina Island: Little Harbor. 3 Comment
  RSA366069  Schoenoplectus maritimus I. M. Johnston 1917-6-10 1318 Los Angeles Playa del Rey. Comment
  SFV622  Scirpus acutus var. occidentalis K. A. Wilson 1961-4-29 1174 Los Angeles San Gabriel Mountains Big Rock Creek. In small, marshy area. 1200 Comment
  RSA29314  Scrophularia californica Joseph A. Ewan 1933-04 10920 Los Angeles Brushy slope with Artemisia douglasiana and Rhus trilobata. Comment
  SEINET12287679  Scrophularia californica I. W. Clokey, Templeton, B. 1929-1 4573 Los Angeles Mandeville Canyon, Santa Monica Mts 300 Comment
  RSA425196  Scrophularia californica subsp. floribunda H. L. Bauer 1929-4-1 s.n. Los Angeles Santa Monica Mtns. Comment
  CAS-BOT-BC238493  Scrophularia villosa Reid Moran 1941-2-27 645 Los Angeles Johnson Valley, Catalina Island Comment
  SD66844  Scrophularia villosa R. Mitchell Beauchamp 1967-6-3 562 Los Angeles north side of canyon, south of Thirst, San Clemente Island Comment
  UCR139939  Scutellaria tuberosa L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  POM222228  Secale cereale L. C. Wheeler 1936-6-21 4164 Los Angeles Palmer Canyon, San Gabriel Mts. 701 Comment
  LA94001  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1704 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Rd. S of Mulholland Hwy, just N of Cold Creek and E of road. 304 Comment
  RSA584039  Selaginella bigelovii Timothy S. Ross, S. D. Boyd 1991-4-25 4583 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fork of the San Gabriel River). 731 Comment
  RSA151018  Selaginella bigelovii Peter H. Raven 1962-5-8 17635 Los Angeles San Clemente Island: mouth of canyon at south end of Seal Cove 15 Comment
  RSA151122  Selaginella bigelovii Peter H. Raven 1962-4-12 17322 Los Angeles Rocky walls of canyon, with Galvezia, in canyon below the Tomb, San Clemente Island 122 Comment
  RSA472945  Senecio flaccidus var. douglasii Robert Gustafson 1978-6-21 1033 Los Angeles Hungry Valley, about 1/4 mile north of the Lane Ranch, near wire gate, about 3 miles south of Gorman 945 Comment
  RSA755995  Senecio flaccidus var. douglasii R. G. Swinney 2008-10-7 9464 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  UCSB27642  Senecio flaccidus var. douglasii Lavinger, S. 1975-10-6 Los Angeles Angeles Crest Highway .3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains 762 Comment
  UCR178068  Senecio mikanioides LeRoy Gross 2001-12-9 459 Los Angeles Tansverse Ranges: San Gabriel Mountains, Big Santa Anita Canyon; c. 1/4 mile down from the tributary of Winter Creek, east of Chantry Flat 518 Comment
  RSA599961  Senecio vulgaris L. C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 701 Comment
  RSA669704  Senecio vulgaris LeRoy Gross, Naomi Fraga 2002-4-4 512 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road,, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 532 Comment
  UCR186881  Senecio vulgaris A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32039 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR209623  Senecio vulgaris R. G. Swinney 2008-12-2 9907 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  UC7711  Sesuvium verrucosum Dr. A. Davidson 1891-1 Los Angeles Comment
  CAS-BOT-BC243581  Setaria parviflora Peter H. Raven 1956-6-17 9403 Los Angeles Westwood, Los Angeles Comment
  CAS-BOT-BC240233  Setaria viridis Ralph Hoffmann 1929-10-27 s.n. Los Angeles Field, 5 miles n. of Saugus Comment
  UC2026386  Setaria viridis Louis C. Wheeler 1966-10-25 9064 Los Angeles SAN GABRIEL MOUNTAINS: E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA590820  Sibara filifolia D. Propst, Mark Hoefs 1973-6-5 350 Los Angeles Santa Catalina Island, Cape Canyon. 305 Comment
  SBBG19  Sidotheca trilobata R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  RSA248874  Silene antirrhina R. F. Thorne 1973-4-12 42971 Los Angeles San Clemente Island, large canyon S of Mosquito Cove, N of Chenity. 274 Comment
  POM158278  Silene gallica M. B. Dunkle 1928-5-12 1921 Los Angeles Empire Landing, Santa Catalina Island. 30 Comment
  RSA526554  Silene gallica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4240 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UC55872  Silene gallica Ernest Braunton 1902-5-15 369 Los Angeles Gardena Comment
  PASA1299  Silene gallica Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  RSA0030915  Silene gallica Norman C. Cooper 1944-4-23 1162 Los Angeles Pomona. 243 Comment
  SD217260  Silene gallica Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4436 Los Angeles San Clemente Island; east side of island,Bryce Canyon near Malo Point. Comment
  SEINET3155767  Silene laciniata G. B. Grant 1205 Los Angeles collected at Pasadena Comment
  RSA65695  Silene laciniata subsp. major F. W. Peirson 1919-4-19 42 Los Angeles Pacoima Canyon, west end of San Gabriel Mountains 457 Comment
  POM123150  Silene lemmonii George B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson 1829 Comment
  OBI51924  Silybum marianum Tony Simon 1994-5-10 21 Los Angeles Santa Monica Mts, Stunt rd, 1 mi S of Mulholland Rd 183 Comment
  RSA725211  Sisymbrium altissimum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -32 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
  RSA771495  Sisymbrium altissimum R. G. Swinney 2009-4-28 10540 Los Angeles summit of Mt. Emma 1585 Comment
  UCR204456  Sisymbrium altissimum R. G. Swinney 2005-7-21 8310 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UCR216863  Sisymbrium irio R. G. Swinney 2009-3-12 10100 A Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  CDA34313  Sisymbrium officinale M. O'Brien 2011-6-14 MOB 11 -2 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  RSA638818  Sisymbrium officinale Valerie L. Soza, Laura Moore 1999-6-30 584 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  SD69781  Sisyrinchium bellum Robert F. Thorne, Bill Weber, Rolf Santesson 1966-4-7 35976 Los Angeles Grassy slope near Arrow Point, near road to Parson Landing, west end of Catalina Island. 91 Comment
  SEINET3876438  Sisyrinchium bellum Hannah Stevens, Daphne K. Christopher 2003-4-4 272 Los Angeles Santa Monica Mountains. Stunt Ranch Santa Monica Mountains Reserve. About 4.5 miles N of the city of Malibu.; 0 340 Comment
  UC909922  Sisyrinchium bellum I. W. Clokey, E. G. Anderson 1935-5-9 6559 Los Angeles Puddingstone Reservoir Comment
  RSA640737  Sisyrinchium bellum Louis C. Wheeler 1931-3-31 s.n. Los Angeles Base of San Gabriel Mountains: Padua Hills. Comment
  RSA585032  Solanum capsicastrum Tim S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  UC26214  Solanum douglasii Harley P. Chandler 1897-6-21 Los Angeles Claremont 365 Comment
  UC998925  Solanum douglasii P. O. Schallert 1944-4-27 Los Angeles Monrovia Canyon Comment
  UCR259126  Solanum douglasii R. G. Swinney 2010-4-28 12384 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  POM305693  Solanum douglasii Henry J. Ramsey, Henry J. Ramsey 1937-8-29 973 Los Angeles Altadena. 396 Comment
  RSA422401  Solanum douglasii Charlotte Brown 1929-1-13 s.n. Los Angeles Little Santa Anita Canyon Comment
  UCD126878  Solanum douglasii C. W. Tilforth 1969-5-2 180 Los Angeles West side of Colima Avenue, just north of Punta del Este Road, between Whittier and West Covina. Comment
  SEINET7262340 Image available Solanum elaeagnifolium J. A. Ewan 1932-1 680 Los Angeles West Los Angeles Comment
  RSA762651  Solanum esculentum R. G. Swinney 2008-11-30 9888 Los Angeles Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  CAS-BOT-BC157587  Solanum umbelliferum Alice Eastwood 1906-6-1 108 Los Angeles Laurel Canyon Comment
  RSA0105750  Solanum umbelliferum R. G. Swinney 2011-7-7 15446 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  UCR259621  Solanum umbelliferum R. G. Swinney 2010-5-25 12953 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259910  Solanum umbelliferum R. G. Swinney 2010-3-18 11993 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  CAS-BOT-BC156794  Solanum umbelliferum E. C. Twisselmann 1955-6-23 2210 Los Angeles Castaic Valley, 1/2 mile north of Holland Summit 1219 Comment
  RSA428806  Solanum villosum Louis C. Wheeler 1932-9-10 1369 Los Angeles Harrison and San Antonio Ave. W Claremont. 366 Comment
  LA209704  Solanum wallacei F. R. Fosberg; 1932-5-6 8168 Los Angeles Santa Catalina Island, Big Wash Canyon, Avalon 25.0 Comment
  RSA427379  Solanum wallacei M. B. Dunkle 1928-2-19 1709 Los Angeles Hay Press, Santa Catalina Island. Comment
  LA51385  Solanum xanti Henry J. Thompson; 1959-3-22 1865 Los Angeles Santa Monica Mountains, Las Virgines Rd, 1 mi N of Tapia Park, N of Malibu Canyon Rd 213 Comment
  SD143695  Solanum xanti Scott D. White 1997-5-22 5217 Los Angeles San Gabriel River Wash; Azusa; alluvial fan E and W of levee; between Foothill Blvd. crossing and San Gabr. Valley Gun Club. 182 Comment
  CAS-BOT-BC365027  Solidago velutina subsp. californica F. Grinnell Jr. 1917-8-30 s.n. Los Angeles Buckhorn Canon [Canyon], San Gabriel Mountains Comment
  JEPS32448  Solidago velutina subsp. californica F. W. Peirson 1918-11-1 230 a Los Angeles Arroyo Seco , Arroyo Seco (San Gabriel Mts.) 1295 Comment
  RSA104870  Soliva sessilis D. F. Howe 1956-04 s.n. Los Angeles 826 S Holt. Comment
  RSA0081057  Sonchus asper R. G. Swinney 2010-5-12 12722 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
  UCR210516  Sonchus asper R. G. Swinney 2008-12-4 9935 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 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
  UCR280569  Sonchus oleraceus R. G. Swinney 2014-5-13 16490 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  HSC15087  Spartium junceum David Porter 1965-4-26 Los Angeles 1/2 mi. N of Topanga Canyon Blvd. Topanga Canyon, Santa Monica Mtn. 412 Comment
  RSA588910  Spartium junceum T. S. Ross 1990-6-8 2951 Los Angeles Upper Big Tujunga Canyon (ca. 0.9-1.4 air miles ENE of Barley Flats). 1280 Comment
  SD85182  Spergularia macrotheca Michael R. Benedict 26-27 Jun 1971 Los Angeles San Clemente Island, ca. 0.5 mile south of Wilson Cove. Comment
  LA82420  Spergularia macrotheca var. macrotheca O. H. Kappler; 1944-3-26 559 Los Angeles Santa Monica Mountains, Zuma Beach 7 Comment
  SBBG17783  Spergularia macrotheca var. macrotheca P. H. Raven 1962-4-9 17145 Los Angeles near barracks, Wilson Cove 60 Comment
  SBBG80299  Spergularia macrotheca var. macrotheca F. C. Boutin 1967-4-23 1698 Los Angeles near Eel Pt Comment
  SBBG31489  Spergularia marina R. F. Thorne 1966-4-4 Los Angeles tip of Ballast Pt, Catalina Harbor, isthmus Comment
  RSA0098643  Sphaeralcea ambigua subsp. ambigua R. G. Swinney 2010-6-1 13127 Los Angeles San Gabriel Mountains: lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  SBBG59  Sporobolus airoides R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  POM223057  Stachys albens Louis C. Wheeler 1933-7-7 1921 Los Angeles Lexington Wash near El Monte. 73 Comment
  POM4030  Stachys albens D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA0116461  Stachys albens R. G. Swinney 2011-9-22 15661 Los Angeles San Gabriel Mountains; Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA225686  Stachys bullata Robert F. Thorne, Arthur C. Gibson 1971-5-22 39763 Los Angeles San Gabriel Mts., Angeles National Forest. Fish Canyon. 396 Comment
  RSA708603  Stachys bullata Valerie L. Soza, LeRoy Gross 2001-5-9 1205 Los Angeles Southern San Rafael Hills: South of western end of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 297 Comment
  RSA0016979  Stachys bullata Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  RSA580341  Stachys rigida subsp. rigida Louis C. Wheeler 1933-4-27 1665 Los Angeles San Pedro Hills 305 Comment
  RSA650766  Stanleya pinnata A. E. Hersh 1950-7-15 s.n. Los Angeles on Pacific Coast [Highway] north of Malibu. 7 Comment
  RSA670394  Stanleya pinnata B. C. Templeton 1931-5-17 1209 Los Angeles South of Lancaster. Mojave Desert. Comment
  LA212119  Stanleya pinnata Elwood Fordham; 1957-4-18 s.n. Los Angeles Malibu Beach. Comment
  CAS-BOT-BC374813  Stebbinsoseris heterocarpa Louis C. Wheeler 1934-5-1 2578 Los Angeles La Verne 304 Comment
  UC54144  Stebbinsoseris heterocarpa H. M. Hall May 1902 3262 Los Angeles Sierra Santa Monica Sierra Santa Monica (Southern California) Comment
  RSA0081322  Stellaria media R. G. Swinney 2010-3-16 11934 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0115268  Stellaria media Richard G. Swinney 2010-6-8 13226 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA762713  Stellaria media R. G. Swinney 2009-2-20 10033 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  SEINE