Search Results — 2000 specimen records retrieved (1563 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA534114  Abronia maritima Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5099 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  SD84836  Abronia maritima Reid Moran 1941-3-4 675 Los Angeles Santa Catalina Island; Little Harbor. 4 Comment
  SFV1114  Abronia maritima K. A. Wilson 1961-3-12 1004 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  UC1215154  Abronia maritima Peter H. Raven 1962-4-11 17296 Los Angeles beach behind Northwest Harbor; San Clemente Island 3 Comment
  LA212316  Abronia maritima Paul Gripp; s.n. Los Angeles Playa del Rey. 30 Comment
  RSA69980  Abronia pogonantha F. W. Peirson 1921-5-19 2414 Los Angeles Little Rock Creek: north base of San Gabriel Mountains. 1037 Comment
  RSA0025887  Abronia umbellata Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4251 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA0048568  Abronia villosa Geo. R. Julian 1962-4-20 s.n. Los Angeles 10 miles East of Pearblossom. Comment
  RSA613265  Abutilon theophrasti Louis C. Wheeler 1976-8-2 s.n. Los Angeles Dominguez Hills: Del Amo Boulevard and Dominguez Avenue 9 Comment
  POM306283  Acer macrophyllum Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1395 Los Angeles Eaton Canyon Park, Altadena. Comment
  SD251166  Acer macrophyllum Duncan S. Bell 2013-7-11 5371 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountin Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  UCR206461  Acer negundo var. californicum A. C. Sanders, T. B. Salvato 2009-5-20 36852 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  RSA91731  Achnatherum coronatum F. W. Peirson 1926-4-29 6645 Los Angeles Among shrubs on east side of stream bed, Pacoima Wash, at west end of San Gabriel Mountains Comment
  SEINET8911915  Achnatherum hymenoides D. J. M. 1991-1 Los Angeles Lake Los Angeles, Lovejoy Buttes in Lake Los Angeles 914 Comment
  CAS-BOT-BC210880  Achnatherum parishii subsp. depauperatum I. M. Johnston 1917-7-3 1515 Los Angeles San Antonio Mountains. Upper San Antonio Canon [Canyon] 2057 Comment
  RSA718213  Achnatherum parishii subsp. parishii R. G. Swinney 1997-6-13 5580 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
  RSA616314  Achnatherum speciosum Scott D. White 1998-4-20 6316 Los Angeles Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  RSA730248  Achnatherum speciosum R. G. Swinney 1999-6-5 7268 Los Angeles San Gabriel Mtns.: western end of ridge extending from Big John Peak, above Big John Flat 1768 Comment
  RSA764463  Achnatherum speciosum Doris Hoover Bowers 1957-4-25 573 Los Angeles Mohave Desert N/o Big Pines 1220 Comment
  CAS-BOT-BC29776  Achyrachaena mollis Tim Ross; J. Takara; Stacey Otte 1993-4-24 6946 Los Angeles Santa Catalina Island, along road between Upper Buffalo Corral Reservoir and Summit Reservoir 220 Comment
  CATA3283  Acmispon dendroideus var. dendroideus Julie L. King 2017-3-1 61 Los Angeles Santa Catalina Island: Isthmus Rd. above Two Harbors campground 112 Comment
  LA200524  Acmispon glaber var. glaber Norman A. Cole; May 1964 388 Los Angeles Santa Monica Mountains, La Sierra Canyon, 3.1 mi E of junction of Mulholland and Cornell Rd 274 Comment
  OBI30230  Acmispon glaber var. glaber Peter Rowlands 1970-5-3 T 92 b Los Angeles Puddingstone Res. Lake, LaVerne 305 Comment
  CATA1868  Acmispon strigosus Denise Kraus 2000-6-13 48 Los Angeles Santa Catalina Island: Goat Harbor burn area, at large conspicuous rock outcrop at end of western fuel break ridge/road 381 Comment
  SBBG128233  Acmispon strigosus M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-8 3027 Los Angeles lower Fern Cyn 195 Comment
  SBBG128327  Acourtia microcephala M. Zou, A. Cheung, S. Lawrence-Gomez, D. Kasang, S. Ratay 2011-7-8 27 Los Angeles Deer Valley Trail 62 Comment
  UC485227  Acourtia microcephala J. Grinnell 1903-7-3 Los Angeles Arroyo Seco Pasadena Comment
Read comments
Jul 24 2012
  UC1127727  Adenostoma fasciculatum G. E. Sindel 1935-1-7 107 Los Angeles 2 1/2 mi. s.e. Quail Lake; Tejon Quad. Comment
  UCR255816  Adenostoma fasciculatum R. G. Swinney 2010-5-4 12500 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
  RSA0094373  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-31 14933 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA650374  Adenostoma fasciculatum var. fasciculatum Eleanor McClung 1937-5-20 184 Los Angeles Griffith Park. Comment
  RSA660223  Adenostoma fasciculatum var. fasciculatum Fred Brooks 1988-4-3 4 Los Angeles San Antonio Canyon, above lower ranger station along stream and sides of canyon. Comment
  RSA85011  Adiantum aleuticum F. W. Peirson 1919-12-28 1522 Los Angeles Eaton Canyon, south base of San Gabriel Mts. 1066 Comment
  RSA687667  Adiantum capillus-veneris Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA747063  Adiantum capillus-veneris R. G. Swinney 2008-5-30 8906 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office. 268 Comment
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Sep 22 2010
  LA200056  Adiantum jordanii Lawrence L. Kiefer; 1966-3-13 1735 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca 2.5 mi from mouth of canyon. 152 Comment
  RSA687719  Adiantum jordanii B. C. Templeton, I. W. Clokey 1929-05 4538 Los Angeles Mandeville Canyon 350 Comment
  SBBG97001  Adiantum jordanii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4369 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  UCR223665  Ageratina adenophora R. G. Swinney 2009-6-12 11133 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  CDA6741  Ageratina adenophora G. C. Fleischman 1953-3-18 Los Angeles G. C. Fleischman property, Pasadena. 0 Comment
  HSC92034  Ageratina adenophora Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-13 11 Los Angeles San Bernardino National Forest, on San Gabriel Canyon Rd. Comment
  CLARK-A1528-1281  Agrostis diegoensis John C. Roos 1939-6-8 Los Angeles Burbank Comment
  RSA78217  Agrostis exarata J. C. Roos 1951-7-30 5076 Los Angeles North slope Mt. Baden Powell, San Gabriel Mountains. 2043 Comment
  SEINET10790176  Agrostis gigantea Joseph A. Ewan 1936-8-2 Ewan 9918 Los Angeles San Gabriel Mts. Rock pocket along living stream, fairly deep shade of alders. Mescal Creek. 1615 Comment
  CAS-BOT-BC139058  Agrostis pallens Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Near Soldiers Home. Comment
  RSA87115  Agrostis stolonifera Joseph A. Ewan 1936-8-2 9918 Los Angeles Mescal Creek, San Gabriel Mountains. 1616 Comment
  SEINET3917192  Agrostis stolonifera var. major Jack Delaini 1974-2-14 7 Los Angeles Along San Dimas Creek at the mouth of the canyon.; 0 427 Comment
  UCR205937  Agrostis viridis A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37068 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  RSA706665  Allium burlewii Naomi Fraga, Paul Morton 2004-5-18 1186 Los Angeles Spur trail from main trail to summit of Mount Hillyer. 1860 Comment
  RSA230704  Allium campanulatum Robert F. Thorne, M. Z. Thorne 1969-7-9 38519 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  SEINET10666943 Image available Allium cepa Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2574 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  RSA649699  Allium fimbriatum Michael Horn 1991-5-7 30 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site 1463 Comment
  RSA756575  Allium fimbriatum var. fimbriatum Orlando Mistretta, Christine Mistretta 2008-4-30 2561 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  RSA654227  Allium haematochiton Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 941 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 655 Comment
  UC1339531  Allium lacunosum S. W. Hutchinson 1933-4-24 5546 Los Angeles on the Del Sur road near Palmdale; Mohave Desert, Antelope Valley 813 Comment
  UCR253915  Allium lacunosum var. davisiae Mitch Provance 2010-5-6 0510- 07 Los Angeles Transverse Range/Mojave Desert, Tejon Ranch, c. 1.5 miles west of Neenach and 0.5 mi. SW of Hwy 138 crossing of Pacific Crest Trail 960 Comment
  UCR84561  Allium lacunosum var. lacunosum T. S. Ross, Steve Boyd 1994-5-25 7922 Los Angeles Liebre Mtns., Necktie Basin: Hanging basin c. 470-830 m west of Warm Springs Mtn. summit, c. 600-800 m WSW of summit 1076 Comment
  UCR147571  Allium monticola Naomi Fraga, Paul Morton 2004-5-18 1187 Los Angeles Transverse Ranges; San Gabriel Mountains region, Along main trail to summit of Mount Hillyer 1890 Comment
  CAS-BOT-BC475404  Allium praecox George B. Grant; Walter Wheeler 1904-4-21 34 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA410055  Allophyllum divaricatum Anstruther Davidson 1889-08 1945 Los Angeles Los Angeles. Comment
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Dec 21 2020
  SEINET2444428  Allophyllum divaricatum Leigh A. Johnson, Gery Allen 1997-5-26 97 -083 Los Angeles Angeles National Forest, San Gabriel Mtns. Ca. 1 miles down road to [crystal lake] creek from Glendora Ridge Road. 1000 Comment
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Jul 19 2016
  UC494806  Allophyllum divaricatum T. Craig 1927-6-8 405 Los Angeles Bear Canyon trail to Mt. San Antonio; e. Los Angeles Co. Comment
  UCR49208  Allophyllum divaricatum Kathy Harper 1987-5-2 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy, between Las Virgenes Valley Overlook [34 deg. 06' 07'N, 118 deg. 41' 37'W) and Yerba Buena Rd.; at Yerba Buena Road Comment
  RSA28484  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  LA201905  Allophyllum gilioides Arthur C. Gibson; 2003-7-10 4916 Los Angeles Santa Monica Mountains, Old Topanga Canyon, near the village of Topanga 243 Comment
  RSA410092  Allophyllum glutinosum Anstruther Davidson 1891-9-10 s.n. Los Angeles Topanga Canyon Comment
  RSA634  Allophyllum glutinosum J. T. Howell 1928-6-29 1011 Los Angeles Near Seminole Hot Springs. Santa Monica Mountains 305 Comment
  RSA482493  Alnus rhombifolia Richard Noyes 1987-10-17 458 Los Angeles San Gabriel Mountains. San Antonio Canyon. One-half mile north of Mt. Baldy road tunnels along gated road leading to power station. 1037 Comment
  RSA659796  Alnus rhombifolia Brian McColgan 1988-5-14 16 Los Angeles 1 mile N of Padua on Mt. Blady Rd. 915 Comment
  RSA91233  Alnus rhombifolia F. W. Peirson 1919-1-5 301 Los Angeles Monrovia Canyon, San Gabriel Mountains 579 Comment
  UCR149783  Amaranthus albus Scott D. White, Pam Devries 2004-6-14 10496 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  UCR205252  Amaranthus albus R. G. Swinney 2008-3-26 8577 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR252899  Amaranthus albus R. G. Swinney 2010-5-29 13395 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  CATA910  Amblyopappus pusillus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1753 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  JEPS30624  Amblyopappus pusillus Peter H. Raven 1959-4-4 13947 Los Angeles sand of stabilized dunes Point Dume; Santa Monica Mountains 9 Comment
  RSA416876  Amblyopappus pusillus F. R. Fosberg 1931-5-18 S 4892 Los Angeles Santa Catalina Island, Little Harbor. Comment
  RSA416897  Ambrosia acanthicarpa Anstruther Davidson 1890-09 2009 Los Angeles Cienega, Los Angeles. Comment
  RSA746549  Ambrosia acanthicarpa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37031 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UCR273225  Ambrosia acanthicarpa R. G. Swinney 2011-10-18 15822 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
Read comments
Aug 24 2017
  UCD128717  Ambrosia acanthicarpa Daryl Koutnik; Bruce Holguin 1978-4-1 204 Los Angeles Mint Canyon on Sierra Hwy, 5 miles northwest of State Hwy 14. 563 Comment
  POM50888  Ambrosia chamissonis L. R. Abrams 1899-3-4 1195 Los Angeles Ballona. Sea shore. Comment
  CAS-BOT-BC45016  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1959-10-18 14674 Los Angeles Near mouth of Malibu Creek on north arm of Malibu Lake. 220 Comment
  POM2593  Amelanchier utahensis I. M. Johnston 1917-8-22 1711 Los Angeles Prarie Fork of San Gabriel River, San Antonio Mountains. 2134 Comment
  RSA187659  Ammannia coccinea Robert F. Thorne 1966-9-16 36710 Los Angeles Near Hay Press Reservoir, Santa Catalina Island. 412 Comment
  CHSC26572  Amorpha californica Wesley O. Griesel 1962-5-24 Los Angeles San Rafael Hills, Glendale. 304 Comment
  POM305742  Amorpha californica Henry J. Ramsey, Henry J. Ramsey 1937-6-27 912 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  RSA0118868  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32081 Los Angeles Transverse Range; Liebre Mtns. Region: 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 976 Comment
  RSA167817  Amsinckia intermedia R. F. Thorne, P. C. Everett 1964-2-7 33457 Los Angeles Santa Catalina Island, lower end of Pebbly Beach, E end of island 76 Comment
  SBBG63531  Amsinckia intermedia R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  POM3935  Amsinckia intermedia Harry Pruitt 1909-6-9 49 Los Angeles Claremont. Comment
  RSA638173  Amsinckia menziesii L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. Comment
  RSA711440  Amsinckia tessellata var. tessellata LeRoy Gross 2005-5-19 2305 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  UCD121199  Amsonia tomentosa J. E. Law 1923-5-19 341 Los Angeles Quail Spring. Comment
Read comments
Sep 23 2017
  UCR155609  Ancistrocarphus filagineus A. C. Sanders 2005-5-11 30144 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  CAS-BOT-BC137814  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1964-3-18 8425 Los Angeles San Gabriel Mountains. About half way between Roberts Canyon and Fish Canyon. Comment
  RSA509581  Anemopsis californica L. C. Wheeler 1967-7-23 10163 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Springs, San Andreas Rift Zone. Comment
  RSA249783  Anisocoma acaulis R. F. Thorne, Gary D. Wallace 1973-4-25 43404 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  UCR265025  Anisocoma acaulis Mitch Provance, Callen Huff 2009-4-28 10673 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  CAS-BOT-BC59208  Antennaria dimorpha F. W. Peirson 1921-6-15 2492 Los Angeles Pine Flats, headwaters of Tujunga, San Gabriel Mts. 1676 Comment
  RSA0110798  Anthriscus caucalis R. G. Swinney 2011-4-28 14532 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
  UCR146339  Antirrhinum coulterianum James Henrickson 1985-3-30 19782 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  RSA80432  Antirrhinum kelloggii F. W. Peirson 1925-4-23 5787 Los Angeles Forks of San Gabriel River. 534 Comment
  UCD123444  Antirrhinum kelloggii James Dilley 1997-4-13 s.n. Los Angeles Santa Monica Mountains, Corral Canyon Road, 0.5 miles south of pavement's end. 1 mile down fire road. Comment
  POM354860  Antirrhinum multiflorum Fordyce Griffiths Jr. 1910-6-20 3374 Los Angeles Head of Long Canyon, San Gabriel Mts. 1296 Comment
  UCR152466  Aphanisma blitoides A. C. Sanders, Lee Jones 2005-4-8 29323 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 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
  RSA599702  Apiastrum angustifolium Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9451 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA617729  Apiastrum angustifolium Scott D. White 1998-5-22 6563 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  SEINET4044585 Image available Apiastrum angustifolium D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Puerco Canyon. 182 Comment
  UCR142490  Apiastrum angustifolium F. R. Fosberg 1931-4-10 S- 4540 Los Angeles Channel Islands, Santa Catalina Island, Avalon Canyon below Pacific Divide 190 Comment
  UCR269964  Apiastrum angustifolium R. G. Swinney 2010-5-7 12575 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  SEINET11080170  Apiastrum angustifolium J. H. Barber 1897-3-28 113 Los Angeles Santa Monica Canyon. Comment
  RSA729424  Aquilegia formosa R. G. Swinney 1998-7-14 6429 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  RSA0127009  Aquilegia formosa Louis C. Wheeler 1967-7-15 10015 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  RSA0031448  Arabis glabra var. glabra Orlando Mistretta, Christine Mistretta 2008-5-19 3113 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 103 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 976 Comment
  RSA0126237  Arabis glabra var. glabra Fred Cox 1916-4-15 s.n. Los Angeles Johnson's Pasure, above Claremont Comment
  RSA0129312  Arabis gracilipes Seacord s.n. Los Angeles West Mojave Comment
  RSA0043292  Arabis maxima Lee Haines 1951-3-29 s.n. Los Angeles Cfhatsworth Hills. Comment
  RSA225882  Arabis platysperma var. platysperma R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41064 Los Angeles San Gabriel Mountains, Angeles National Forest: N-facing ridge of Mt. San Antonio along trail to Dawson Peak. 2927 Comment
  RSA0129095  Arabis platysperma var. platysperma Wayne E. Sawyer 1981-6-16 36 Los Angeles San Gabriel Mountains, Angeles National Forest: Crest trail above Lily Spring, Ca. 0.25 mi. W of Mt. Hawkins. 2606 Comment
  UCR213951  Arabis pulchra var. gracilis Dave Silverman, Cindy Hopkins 2007-4-27 6781 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 0.8 miles SSE of National Cement and 600m NE of Oso 3804 benchmark 1052 Comment
  RSA0020294  Arabis sparsiflora Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5121 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA596499  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
  SEINET11992702  Arbutus unedo Unknown 1945-1 s.n. Los Angeles Altadena Comment
  RSA0073275  Arceuthobium campylopodum Bonnie C. Templeton 1932-5-31 4846 Los Angeles Big Pines Camp, Angeles Natl. Forest. Comment
  CAS-BOT-BC410153  Arceuthobium occidentale Timothy S. Ross; Steve Boyd 1994-9-21 8320 Los Angeles Liebre Mountains ca. 150-260 m SW of town of Sandberg 1292 Comment
  RSA626818  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-10 21998 Los Angeles Road 7N23, north of Burnt Peak. 1425 Comment
  RSA626743  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley 1978-9-2 7226 Los Angeles Singing Pines Camp, Angeles Crest Hwy. 2000 Comment
  CAS-BOT-BC23244  Arctostaphylos glandulosa subsp. glandulosa LeRoy Abrams 1901-4-13 1520 Los Angeles Wilson's Peak 914 Comment
  POM367269  Arctostaphylos glandulosa subsp. glandulosa H. L. Bauer 1932-5-1 15356 Los Angeles Santa Monica Mts., along road to Saddle Peak. 610 Comment
  UC303637  Arctostaphylos glandulosa subsp. glandulosa Geo. B. Grant Jul 1904 59 Los Angeles Mt. Wilson Comment
  RSA626768  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20485 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA631572  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15649 Los Angeles Angeles Forest Highway, 1.8 km south of Hidden Springs Cafe. 850 Comment
  RSA631609  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15642 Los Angeles Clear Creek Vista, Angeles Crest Highway. 1130 Comment
  RSA631702  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15844 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA755982  Arctostaphylos glauca Orlando Mistretta, Christine Mistretta 2008-4-12 2426 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  RSA634756  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20384 Los Angeles Road to Pacifico Mtn., 3.7 km east of Mill Creek Summit, San Gabriel Mtns. 1710 Comment
  RSA634830  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22063 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA634875  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20223 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635074  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20376 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  LA42218  Arctostaphylos patula J. A. Ewan; 1936-6-27 9852 Los Angeles N end of Tahoe Mt, Swarthout Valley 2133 Comment
Read comments
Dec 17 2014
  RSA635229  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20668 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  RSA772159  Arctostaphylos patula R. G. Swinney 2009-6-2 10995 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223553  Arctostaphylos patula R. G. Swinney 2009-6-2 10995 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA636853  Arctostaphylos tomentosa Raymond J. Dobbs 943 Los Angeles 1 1/2 miles above Switzer on Tujunga Trail, San Gabriel Mountains. Comment
  UCR190760  Arenaria macradenia R. G. Swinney 1999-7-5 7499 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  RSA434334  Argemone munita Gus Gluechert 1937-6-26 s.n. Los Angeles Mint Canyon. Comment
  CAS-BOT-BC401657  Argemone munita subsp. munita Belle Richardson Jackson 1941-6-1 s.n. Los Angeles Road up to Mt. Wilson, from La Canyada [Canada] Comment
  IRVC29288  Aristida adscensionis Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 N side of Santa Susana Mtns. 305 Comment
  RSA12641  Artemisia biennis C. B. Wolf 1934-8-16 6057 Los Angeles Bryant Ranch east of Long Beach. 5 Comment
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Sep 22 2011
  RSA623964  Artemisia californica Arthur R. Kruckeberg 1939-2-11 s.n. Los Angeles In hills around Johnson's Lake, Pasadena Comment
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Oct 22 2014
  UC892277  Artemisia californica Carl B. Wolf 1932-10-3 4207 Los Angeles road to Renton Mine (about 1 mi from junction with Wrigley Drive); Santa Catalina Island 304 Comment
  SBBG62509  Artemisia douglasiana R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  SBBG79909  Artemisia douglasiana F. R. Fosberg 1931-7-11 5384 Los Angeles Cape Cyn 230 Comment
  CAS-BOT-BC90347  Artemisia douglasiana Cecil Hart 1922-9-12 s.n. Los Angeles Howard & Smith's nursery Montebello, Los Angeles Comment
  UCR273217  Artemisia dracunculus R. G. Swinney 2011-10-18 15833 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA180087  Artemisia nesiotica Peter H. Raven 1962-4-10 17190 A Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  LA98863  Artemisia tridentata E. R. Hobbs; 1979-6-25 79- 105 Los Angeles Antelope Valley, Palmdale, NW corner of Avenue P and 30th Street Comment
  UCR24341  Artemisia tridentata John C. Roos 1937-8-11 2527 Los Angeles Newhall Comment
  CAS-BOT-BC97281  Artemisia tridentata subsp. parishii H. J. Thompson 1951-1-1 1424 Los Angeles Castaic River near where it joins the Santa Clara River, 1 mi. E of Newhall Ranch along Hwy. #126 289 Comment
  SBBG130706  Arthrocnemum subterminale S. A. Junak 2000-7-21 SCa 1387 Los Angeles just inland from mouth of crk at Shark Harbor 1 Comment
  SEINET8728664 Image available Arthrocnemum subterminale F. R. Fosberg 1931-1 S 4888 Los Angeles Little Harbor, Santa Catalina Island 5 Comment
  UC212182  Asclepias californica I. M. Johnston 1917-6-20 1266 Los Angeles Baldy Lookout of U.S.F.S. San Antonio Mountains 2133 Comment
  SEINET10637013  Asclepias fascicularis Joseph Rothrock Rothrock 190 Los Angeles Lake Elizabeth 966 Comment
  SEINET2042300 Image available Asclepias vestita B. Pitzer 1998-5-12 3709 Los Angeles Western Mojave Desert; HWY 18 (=Hwy 138 = Palmdale Hwy), ca. 1 mi W of the San Bernardino Co. Line. (Mescal cCreek 7.5') 1171 Comment
  IRVC28585  Asparagus officinalis A. C. Sanders, Mark Elvin 2002-6-19 25176 Los Angeles Newhall Ranch, head of "Adobe Cyn." and pass into "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  LA104173  Aspidotis californica Kei Nakai; T. Thomas, J. Dice, B. Gustaffson 1983-5-12 1030 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, S of Newton Canyon on W-side of creek. 274 Comment
  RSA632936  Aspidotis californica Valerie L. Soza, Kent Hughes 1999-6-17 542 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  CAS-BOT-BC68897  Aspidotis californica Louis C. Wheeler 1932-2-11 444 Los Angeles Foothills San Gabriel mts. 2 mi. N Thompson Creek Dam 670 Comment
  RSA85549  Aspidotis californica F. W. Peirson 1920-4-26 4296 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  LA202865  Asplenium vespertinum Lawrence L. Kiefer; 1967-4-22 3310 Los Angeles San Gabriel Mountains, Groverland Canyon, tributary to E Fork of San Gabriel River, ca. 0.5 mi. from the mouth 548 Comment
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Jun 17 2014
  RSA0078236  Astragalus antisellii Carl B. Wolf 1928-3-29 1584 Los Angeles 5 mi. N. of Castaic, Ridge Route Rd. 548 Comment
  CAS-BOT-BC177527  Astragalus bicristatus I. M. Johnston 1917-8-24 1656 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel River 1676 Comment
  RSA733156  Astragalus bicristatus R. G. Swinney 1997-6-13 5590 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  CAS-BOT-BC180499  Astragalus brauntonii Dr. H. E. Hasse 1899-6-25 s.n. Los Angeles Dry ridge of Santa Monica Range Comment
  UCD50216  Astragalus brauntonii Glen Holstein 2004-4-17 s.n. Los Angeles Along an unpaved fire access road in Santa Ynez Canyon, Pacific Palisades districts, city of Los Angeles, Los Angeles County. The fire access road extends north from Michael Lane to a summit ridge at the upper end of Santa Ynez Canyon. One individual was observed along the access road 100 m north and uphill from Michael Lane. Approximately 10 more were observed along the access road 0.6 k north and uphill from Michael Lane near a sign marking the border of Topanga State Park. Comment
  RSA712910  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin 2003-4-16 26050 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  CAS-BOT-BC182306  Astragalus didymocarpus var. didymocarpus Lois E. James 1946-4-25 1747 Los Angeles Along the railroad tracks at Acton, Soledad Canyon Comment
  CATA493  Astragalus didymocarpus var. didymocarpus Sara L. Crockett 1997-4-1 635 Los Angeles Santa Catalina Island: 0.5 mile SE of Rancho Escondido on Isthmus Road, 10 m W of road 265 Comment
  JEPS54602  Astragalus douglasii Frank W. Peirson 1919-5-10 397 Los Angeles Arrastre Canyon , Arrastre Canyon (San Gabriel Mts.) 975 Comment
  RSA230657  Astragalus douglasii var. douglasii R. F. Thorne, M. Z. Thorne 1969-7-9 38479 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
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Oct 23 2007
  UC284764  Astragalus douglasii var. douglasii P. A. Munz 1923-8-31 7696 Los Angeles Mescal Creek , Mescal Creek (San Antonio Mts.) 1950 Comment
  UCR237911  Astragalus gambelianus Mark A. Elvin 2003-5-1 2501 Los Angeles Santa Clarita Valley, Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon in Charlie Canyon, survey area 69 396 Comment
  UC1077128  Astragalus lentiginosus var. antonius Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts., Pinon Ridge Comment
  UCR6006  Astragalus leucolobus Steve Stadler 1966-4-17 41766- 61 Los Angeles San Gabriel Mountains, 1.5 miles west of Big Pines Junction on Big Pines to Palmdale Road [= Big Pines Hwy] 1829 Comment
  UCR223060  Astragalus pachypus R. G. Swinney 2009-5-6 10688 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  SEINET948675  Astragalus purshii Carl B. Wolf 1937-1 8743 Los Angeles Tehachapi Mountains., 1 mi, so. of Tejon Pass on Hungry Valley Road. 1280 Comment
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Jan 9 2019
  RSA188227  Astragalus trichopodus R. F. Thorne, Percy C. Everett 1965-6-22 34872 Los Angeles Santa Catalina Island, along lower road to Pebble [Pebbly] Beach ca. 0.5 mile from Avalon. 8 Comment
  SEINET5326932  Astragalus trichopodus G. B. Grant, Walter Wheeler 1904-4-21 72 -6262 Los Angeles on santa Catalina Island, Pacific Ocean, off Southern California Comment
  UCR58306  Astragalus trichopodus J. A. Adams 1963-4-25 11 Los Angeles San Jose Hills, Diamond Bar Ranch. 305 Comment
  CAS-BOT-BC194075  Astragalus trichopodus var. lonchus Robert F. Thorne; C. W. Tilforth 1971-6-17 39970 Los Angeles 2 mi. up Lower Tujunga Rd. from Forestry Headquarters, Little Tujunga Creek, San Gabriel Mts., Angeles National Forest 457 Comment
  CAS-BOT-BC199088  Astragalus trichopodus var. phoxus Cecil Hart 1927-4-10 s.n. Los Angeles Ridge route to Lancaster. Comment
  RSA751519  Atriplex amnicola Carl Wishner, A. Gale 2005-8-12 1 -36 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  UCR119560  Atriplex argentea L. C. Wheeler 1968-9-16 s.n. Los Angeles Liebre Mtns, Una Lake, near Palmdale Comment
  RSA155816  Atriplex argentea P. H. Raven 1962-7-11 17998 Los Angeles Just south of old airstrip, San Clemente Island Comment
  RSA188135  Atriplex californica R. F. Thorne 1966-4-29 6297 Los Angeles Ben Weston Beach, Santa Catalina Island. 3 Comment
  SFV12422  Atriplex californica D. L. Koutnik 1978-4-28 412 Los Angeles Point Dume near Zuma Beach. On ocean bluff. 46 Comment
  UC729766  Atriplex californica Carl B. Wolf 1932-5-12 3601 Los Angeles between Little Harbor and Cottonwood Creek (Santa Catalina Island, edge of rapidly drying pond); Santa Catalina Island, bet Little Harbor, Cottonwood Creek 45 Comment
  RSA452400  Atriplex californica Jack Remple 1932-4-24 s.n. Los Angeles El Segundo. Comment
  POM278671  Atriplex canescens subsp. canescens Grant D. Brown 1949-11-7 423 Los Angeles 6 mi. W of Jackson Lake on Big Pines-Valyermo Road 1706 Comment
  RSA599744  Atriplex canescens subsp. canescens L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains : Kentucky Springs. 1082 Comment
  RSA639753  Atriplex canescens subsp. canescens L. C. Wheeler 1956-9-15 7240 Los Angeles San Gabriels Mountains: Caldwell Lake. Comment
  CAS-BOT-BC168272  Atriplex canescens var. canescens Eugene Walls 1909-11-27 4 Los Angeles Lancaster Comment
  CAS-BOT-BC170022  Atriplex confertifolia Geo. B. Grant 1901-7-13 s.n. Los Angeles Palmdale Comment
  UC1601677  Atriplex confertifolia Katharine Brandegee Los Angeles Lancaster Comment
  SBBG31064  Atriplex coulteri R. F. Thorne with P. C. Everett 1965-5-11 34645 Los Angeles rd from Rancho Escondido above Cottonwood Dam in Cottonwood Cyn 106 Comment
  UC2030064  Atriplex glauca Steve Boyd, L. Raz 1997-3-4 9156 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. Comment
  POM213099  Atriplex johnstonii C. B. Wolf 1931-12-30 s.n. Los Angeles Playa del Rey 30 Comment
  CAS-BOT-BC170108  Atriplex lentiformis Dr. H. E. Hasse 1888-9-1 s.n. Los Angeles Beach at Santa Monica Comment
  CAS-BOT-BC170117  Atriplex lentiformis Le Roy Abrams 1901-8-1 2189 Los Angeles Santa Monica Comment
  POM278750  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-11-24 566 Los Angeles Base of Palisades bet. Colorado Ave. and Broadway in Santa Monica 8 Comment
  SEINET4135318  Atriplex nummularia Louis C. Wheeler 1933-4-27 1657 Los Angeles Playa del Rey.; 0 8 Comment
  SEINET4136259  Atriplex semibaccata Timothy S. Ross, J. Mark Porter; Gery J. Allan; Vanessa Ashworth; Darin L. Banks; Megan Tommerup 1994-3-28 7438 Los Angeles Palso Verdes Peninsula: rancho Palos Verdes; southerly coastal bluffs ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point; san Pedro 7.5' USGS quadrangle.; 0 12 Comment
  UC110345  Atriplex serenana var. davidsonii Katharine Brandegee 1893-10-15 Los Angeles San Pedro Comment
  RSA0097781  Avena barbata R. G. Swinney 2011-4-26 14520 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 378 Comment
  RSA177769  Avena barbata R. F. Thorne, Percy C. Everett 1965-5-11 34587 Los Angeles Santa Catalina Island. N beach of Little Harbor. 2 Comment
  RSA660892  Avena barbata Ann Williams 1992-5-14 23 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  RSA709687  Avena barbata LeRoy Gross 2005-4-28 2176 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  SFV20999  Avena fatua L. Gross 2003-3-23 815 Los Angeles San Fernando Valley Sunland, Sunhill Estates housing tract on south bluff overlooking Big Tujunga Wash. 335 Comment
  UCR220219  Avena fatua R. G. Swinney 2009-4-7 10287 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  SD69569  Azolla filiculoides Robert F. Thorne 1966-9-14 36659 Los Angeles Santa Catalina Island, Lower Middle Ranch Canyon, ca.75 miles above Ben Weston Beach, on surface of small shallow stream 53 Comment
  UCD170029  Azolla filiculoides Louis C. Wheeler 1933-7-15 1941 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 121 Comment
  UCR207979  Azolla filiculoides Samuel R. Tyson 1943-7-7 s.n. Los Angeles San Gabriel Mountains, San Dimas Canyon, San Dimas Reservoir 438 Comment
  UCR127384  Baccharis glutinosa A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25525 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA0008312  Baccharis malibuensis Carl Wishner, Suzanne Goode 2000-10-13 3950 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot 58 Comment
  RSA612188  Baccharis pilularis L. C. Wheeler 1971-11-22 s.n. Los Angeles San Gabriel Mountains: Buck Canyon off Little Tujunga Comment
  RSA615860  Baccharis pilularis Scott D. White 1995-10-19 3695 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UC57445  Baccharis pilularis J. H. Barber 1898-7-3 Los Angeles Santa Monica Canon Comment
  LA91450  Baccharis salicifolia Bruce Douglas Clayton; Greg Clayton 1972-4-1 50 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, Upper Temecal and Rustic Canyons 490 Comment
  POM350350  Baccharis salicifolia M. B. Dunkle 1933-6-17 3586 Los Angeles San Antonio River Canyon. Coastal Southern California. 915 Comment
  RSA93168  Baccharis salicifolia F. W. Peirson 1918-10-16 283 Los Angeles foot of Echo Mountain Trail 549 Comment
  RSA0030947  Baccharis viminea Jane Snyder 1966-5-10 5 Los Angeles San Raphael HIlls. 213 Comment
  UCR119053  Bassia hyssopifolia Jeremiah George 2000-1 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes Estates, Malaga Cove 1 Comment
  UCD97594  Bassia hyssopifolia Robert F. Thorne 1966-4-28 36193 Los Angeles Santa Catalina Island, on roadside near high school, Avalon. 30 Comment
  SFV3766  Bidens frondosa K. A. Wilson, D. E. Bianchi 1961-2-2 813 Los Angeles Santa Susana Mountains Granada Hills. Base of Limekiln Canyon. 350 Comment
  POM178034  Bidens pilosa Joseph A. Ewan 1931-5-11 4187 Los Angeles Throughly naturalized in vacant lot Ocean View Street. Comment
  LA211125  Bituminaria bituminosa Arthur C. Gibson; Jorge Ochoa 2009-4-18 5255 Los Angeles Hollywood Hills, Cedar Grove of Griffith Park. Comment
  CAS-BOT-BC482056  Bloomeria crocea var. crocea Louis C. Wheeler 1932-4-30 672 Los Angeles Near UCLA Campus W Los Angeles 137 Comment
  RSA367308  Bloomeria crocea var. crocea Jack Remple 1934-4-19 s.n. Los Angeles Slough, Centinela Blvd. SW of Los Angeles. Comment
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Aug 23 2009
  UCR238657  Boechera californica Anuja Parikh, Nathan Gale 2010-6-22 3360 Los Angeles Transverse Range, San Gabriel Mountains, Upper Shortcut Canyon, 0.5 km south of State Hwy 2 (Angeles Crest Hwy), 1.2 km southeast of intersection of State Hwy 2 and Upper Big Tujunga Canyon Road 1400 Comment
  CAS-BOT-BC16084  Boechera californica R. C. Foster 1937-4-3 149 Los Angeles Mouth of Evey Canyon, foothills of San Gabriel Mountains, northeast of Claremont. Comment
  SEINET6088271  Boechera retrofracta Unknown 1917-3-11 533 Los Angeles Pacoima Canyon near San Fernando. Comment
  UCR271963  Boechera sparsiflora R. G. Swinney 2011-6-20 15219 Los Angeles San Gabriel Mountains, southeast margin of Crystal Lake, 10-30 meters from water line 1692 Comment
  CAS-BOT-BC30965  Bolboschoenus maritimus Louis C. Wheeler 1932-9-19 1392 Los Angeles Los Angeles R. at Los Feliz Blvd. 121 Comment
  CATA1364  Bolboschoenus maritimus subsp. paludosus Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2483 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  UCR89463  Bolboschoenus maritimus subsp. paludosus T. S. Ross, Janet Takara, Misty Gay 1993-4-20 6824 Los Angeles Santa Catalina Island, NE side of Little Harbor near the outlet of Little Springs Canyon drainage. 2 Comment
  UCD119133  Borago officinalis Collector unknown 1977-4-29 LASCA 1095 Los Angeles location unknown. Comment
  RSA611264  Bothriochloa barbinodis L. C. Wheeler 1970-10-31 s.n. Los Angeles Los Angeles: Collis Avenue at Huntington Drive. Comment
  RSA592375  Bowlesia incana Mark Hoefs 1974-3-28 419 Los Angeles Santa Catalina Island: in upper Bullrush Canyon 251 Comment
  POM293196  Boykinia rotundifolia Lyman Benson 1948-9-15 13541 Los Angeles San Gabriel Canyon - Lower dam. Pacific Slope Drainage Area. 244 Comment
  CATA20  Brachypodium distachyon USC Wrigley Interns: Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 6 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  UCR280402  Brachypodium distachyon Jeremiah George, Eric Kline 2017-4-17 417- 07 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  UCR150033  Brassica fruticulosa Scott D. White 2001-2-4 8155 Los Angeles San Gabriel Mtns, Cismontane foothills; Evey Canyon, a tributary to San Antonio Canyon just above San Antonio Flood Control Dam 854 Comment
  UCR108416  Brassica geniculata Jeanne Gural, V. Soza 1997-3-26 17 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Boulevard 412 Comment
  RSA0084243  Brassica nigra Jennifer Jones 2006-5-27 339 Los Angeles South Hills Park Glendora. E of Grand Avenue and S of Alosta Avenue. 244 Comment
  POM462  Brassica rapa P. A. Munz 1918-4-11 s.n. Los Angeles Claremont. 365 Comment
  CAS-BOT-BC100416  Brickellia californica Frank W. Peirson 1922-9-14 4732 Los Angeles Cascade [Canon] Canyon, San Antonio Region 1402 Comment
  RSA522946  Brickellia californica Timothy S. Ross, Orlando Mistretta 1990-10-24 3293 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  SBBG66092  Brickellia microphylla R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  UCR102413  Brickellia nevinii Steve Boyd 1997-9-17 10038 A Los Angeles San Gabriel Mtns., Knapp Ranch area, upper end of Castaic Creek drainage in broad alluvial valley at head of Cienega Canyon, south of Liebre Mountain 976 Comment
  SEINET10570590  Brodiaea capitata F. R. Fosberg 1931-3-25 Fosberg 54369 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. Grassy S wall. Upper Sonoran Zone. 50 Comment
  CAS-BOT-BC520431  Brodiaea filifolia Kathleen Stockwell 2006-5-28 s.n. Los Angeles San Gabriel Mtns. Foothills: Glendora, N of N end of N Loraine Ave. 377 Comment
  UCD57679  Bromus arizonicus A. A. Beetle 1942-4-18 3081 Los Angeles Foothill Blvd., 13 miles south of Pasadena. Comment
  RSA653129  Bromus berteroanus A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21990 Los Angeles San Gabriel Mountains: Soledad Pass area at N foot of mtns, ca. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation., (34 deg 28'58''N, 118 deg 07'24''W) 1000 Comment
  POM244886  Bromus carinatus F. R. Fosberg 1931-4-3 S- 4484 Los Angeles Pebble [Pebbly] Beach. Santa Catalina Island. Comment
  RSA385311  Bromus carinatus Anstruther Davidson 1895-5-3 s.n. Los Angeles Gorman Hills, Antelope Valley. Comment
  RSA0112846  Bromus carinatus Steven A. Junak 1999-5-8 SCa- 918 Los Angeles Santa Catalina Island. Fern Canyon, Cottonwood Canyon watershed, just upstream from fenceline. Comment
  CAS-BOT-BC149577  Bromus carinatus var. carinatus I. Johnston 1917-7-1 1519 Los Angeles San Antonio Mountains. Browns Flats. 1371 Comment
  CAS-BOT-BC156111  Bromus diandrus Le Roy Abrams 1902-5-31 2483 Los Angeles Ingelwood. Comment
  RSA592818  Bromus diandrus Steve Boyd 1996-4-25 8672 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 915 Comment
  RSA639972  Bromus diandrus L. C. Wheeler 1967-5-29 9763 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  UC440487  Bromus diandrus Carl Epling, Lincoln Ellison 1929-4-27 Los Angeles Santa Monica Mountains, Topanga Canyon Topanga Canyon; Santa Monica Mountains, Topanga Canyon Comment
  UCD58581  Bromus diandrus Robert D. Clarke 1979-4-15 s.n. Los Angeles Central Los Angeles. Comment
  RSA706553  Bromus grandis LeRoy Gross 2005-6-23 2381 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1458 Comment
  RSA650443  Bromus hordeaceus David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  RSA594218  Bromus madritensis subsp. madritensis L. C. Wheeler 1967-5-8 9326 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  CATA580  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-4-7 1019 Los Angeles Santa Catalina Island: Cottonwood Canyon east of main road 64 Comment
  CHSC99442  Bromus madritensis subsp. rubens LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 698 a Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 823 Comment
  RSA656328  Bromus rubens Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 682 Los Angeles Verdugo Mountains, north side: Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park., Area burned in August 1999. 579 Comment
  UC934031  Bromus tectorum H. L. Cogswell 1951-5-31 104 Los Angeles 1.25 mi w, 1/3 mi s of Camp Baldy (s slope of Cow Canyon=Pacific drainage, San Gabriel Mountains); San Gabriel Mountains, Cow Canyon 1249 Comment
  UCD59840  Bromus tectorum B. Crampton 1955-4-28 2729 Los Angeles Old State Hwy. 138, 15.5 miles west of Lancaster. Comment
  UCR127022  Calandrinia ciliata Mark A. Elvin, Cathleen Weigand 2003-4-8 2465 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  UCR138132  Calandrinia ciliata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  CAS-BOT-BC438413  Calandrinia ciliata Carl B. Wolf 1932-3-4 2670 Los Angeles South base of San Gabriel Mts., Thompson Creek, 3 - 4 mi. No. of Claremont. 457 Comment
  UC1611539  Calocedrus decurrens Tim Ross and Walter Appleby 1993-5-14 Los Angeles 200 m ssw of May Canyon Saddle May Peak (330 m nw of May Peak); San Gabriel Mtns 975 Comment
  CAS-BOT-BC132270  Calochortus catalinae B. C. Templeton 1939-4-19 4587 Los Angeles Huntington Palisades, Santa Monica Mountains Comment
  CAS-BOT-BC227419  Calochortus catalinae Tim Ross 1993-4-22 6889 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); southerly coastal slope 1320 m SE of Cactus Peak summit 350 Comment
  CATA1029  Calochortus catalinae Mark L. Hoefs 1995-5-4 1950 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  RSA377285  Calochortus catalinae C. B. Liter, Jas A. Powell, J. A. Powell 1928-4-4 s.n. Los Angeles Santa Catalina Island, above Chicken Johnnies. Comment
  RSA377290  Calochortus catalinae C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  RSA716545  Calochortus catalinae Andrea Edwards, Pam De Vries, David Hughes 2006-4-18 120 Los Angeles Calabasas USGS quad; in Dayton Canyon within preserved open space area. 366 Comment
  UC741287  Calochortus catalinae B. C. Templeton 1939-4-19 4587 Los Angeles Huntington Palisades Santa Monica Mountains Comment
  RSA753866  Calochortus clavatus var. gracilis Frank Landis 2009-4-20 FCL- 2009 -20 Los Angeles Disturbed vegetation around base of electrical tower, NE of Corral Sunshine Mtwy. 777 Comment
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Aug 27 2012
  SBBG122108  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-24 734 Los Angeles Plum Cyn, 1 km S of Cruzan Mesa, 1.2 km W of Sierra Hwy, 2 km W of Sierra Hwy 665 Comment
  RSA229095  Calochortus invenustus Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38903 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  RSA97698  Calochortus invenustus R. M. Straw 1954-6-16 628 Los Angeles Horse Flats Road, off Angeles Crest Hwy, Angeles National Forest. Comment
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Oct 7 2011
  CAS-BOT-BC132484  Calochortus plummerae Marion Ownbey; Ruth P. Ownbey 1938-6-27 1666 Los Angeles Mouth of Los Alisos Canyon, Santa Monica Mts. Comment
  UCR124385  Calochortus plummerae I. W. Clokey, B. C. Templeton 1929-1 4579 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR280513  Calochortus plummerae R. G. Swinney 2014-5-13 16504 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
  RSA377432  Calochortus splendens F. R. Fosberg 1931-5-21 S- 4944 Los Angeles Johnsons Landing, Santa Catalina Island. Comment
  JEPS61725  Calochortus splendens Frank W. Peirson 1918-6-12 8 Los Angeles e of Rubio Canyon Comment
  SEINET12044550  Calochortus splendens F. R. Fosberg 1931-1 54690 Los Angeles Santa Catalina Island, SE slopes of Black Jack Mt 350 Comment
  POM302273  Calycadenia tenella Lyman Benson 1957-5-23 15730 Los Angeles Webb School, above Claremont 487 Comment
  POM4995  Calycadenia tenella Minnie Reed 1895-8-22 s.n. Los Angeles Claremont, Sierra Madre Mts. Comment
  CSUSB1003  Calystegia macrostegia subsp. cyclostegia J. Operskalski 1976-4-24 Los Angeles La Canada, Dicken's Canyon, 1 mile north of Foothill Blvd. Comment
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Jun 2 2015
  LA105334  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 1989-4-23 8416 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA50075  Calystegia macrostegia subsp. intermedia Sharon Johnston; 1957-3-7 M 387 Los Angeles Vacant lot at Hilgard Ave. and Le Conte Ave. near UCLA 182 Comment
  LA50080  Calystegia macrostegia subsp. intermedia Virginia Mars; 1951-3-30 sn Los Angeles Santa Monica Mountains, Westwood Blvd., U.C.L.A. Campus Comment
  RSA609381  Calystegia macrostegia subsp. intermedia L. C. Wheeler 1930-5-17 s.n. Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  SBBG121234  Calystegia macrostegia subsp. intermedia V. Soza, L. Moore 2000-5-10 856 Los Angeles Verdugo Crestline Dr, N of La Tuna Cyn and S of Pasko Park; fire rd S of Verdugo Crestline Dr from fire gate to power lines to peak O'1936" 579 Comment
  SDSU20288  Calystegia macrostegia subsp. macrostegia Patrick McConnell 2003-4-7 28 Los Angeles Horse beach Creek in chalk canyon growing immediate to Malacothamnus clementinus, 1/2 mile to 3/4 mile up canyon from beach, San Clemente Island. 30 Comment
  CAS-BOT-BC224754  Calystegia malacophylla subsp. pedicellata Timothy S. Ross; Victor W Steinmann 1995-5-8 8545 Los Angeles Liebre Mountains. Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir 926 Comment
  RSA608305  Calystegia occidentalis subsp. fulcrata L. C. Wheeler 1946-8-29 6306 Los Angeles Blue Ridge, 1.5 miles SW Swarthout 2240 Comment
  RSA764507  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2589 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA465665  Camissonia bistorta Howard Mullins 1931-4-15 s.n. Los Angeles Flintridge Comment
  RSA465682  Camissonia bistorta T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica Mountains, Santa Monica Canyon Comment
  UCR197742  Camissonia boothii subsp. desertorum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 91 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  RSA225715  Camissonia californica Robert F. Thorne, A. C. Gibson 1971-5-22 39705 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA552483  Camissonia californica D. Charlton 1991-4-18 4830 Los Angeles Ritter Ridge, extension of 30th St. near Aqueduct 1067 Comment
  RSA652378  Camissonia californica R. Morrison 1962-5-1 6 Los Angeles San Gabriel Cyn. West fork, past east fork bridge. Comment
  CHSC106704  Camissonia campestris subsp. campestris Barbara Ertter; L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7478 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2). Comment
  UC1871173  Camissonia campestris subsp. campestris T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4840 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
  RSA775132  Camissonia confusa Orlando Mistretta, Christine Mistretta 2010-6-7 5268 Los Angeles Mill Creek Canyon; vicinity of Iron Mountain, along Southern California Edison transmission line corridor. 1361 Comment
  RSA611651  Camissonia graciliflora Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10082 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  UCR185599  Camissonia graciliflora A. C. Sanders 2007-4-25 33584 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  UCR114188  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22069 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  RSA567168  Camissonia intermedia Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3906 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  UCR177472  Camissonia kernensis subsp. gilmanii LeRoy Gross 2005-5-19 2287 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
  UCR270164  Camissonia pallida R. G. Swinney 2011-4-20 14425 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  RSA187795  Camissonia robusta Robert F. Thorne 1966-9-14 36644 Los Angeles Santa Catalina Island: sandy, disturbed area behind Ben Weston Beach 3 Comment
  UCR160088  Camissonia strigulosa L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mtns., N of Mill Canyon off Soledad Canyon, near Ravenna 716 Comment
  UCR198512  Camissonia strigulosa Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  UC20426  Camissoniopsis bistorta J. H. Barber 1897-1-29 42 Los Angeles Ballona Hills Comment
  SFV2539  Camissoniopsis cheiranthifolia P. G. Kilburn 1958-3-1 626 Los Angeles Point Dume overlooking Pacific Ocean, 4 miles west of Malibu. 60 Comment
  CAS-BOT-BC160491  Camissoniopsis cheiranthifolia subsp. suffruticosa Peter H. Raven 1962-6-8 17934 Los Angeles Point Dume Comment
  UCSB45374  Camissoniopsis cheiranthifolia subsp. suffruticosa Connor, Mike 1977-6-4 Los Angeles Waterview St., Playa del Rey 30 Comment
  CAS-BOT-BC160514  Camissoniopsis guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17301 Los Angeles San Clemente Island. Beach behind Northwest Harbor 6 Comment
  SD239821  Camissoniopsis hirtella R. G. Swinney 2009-3-20 10139 Los Angeles San Gabriel Mountains Foothills: Azusa/Irwindale, mouth of San Gabriel River Canyon, 100-400 m north of I-210 Fwy, 300 m east of the river channel. (Azusa 7.5'Q) 177 Comment
  LA32213  Camissoniopsis intermedia Peter H. Raven; 1959-5-2 14047 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, 4.1 mi NW of Tapia Park on road to Malibu Lake. 182 Comment
  UCD168215  Camissoniopsis pallida J. W. Barry May1980 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
  SEINET10818925  Capsicum Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3799 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  RSA249723  Cardamine californica var. integrifolia R. F. Thorne, D. Propst 1973-2-12 42483 Los Angeles Santa Catalina Island. Ironwood Gully on slopes of hill E of Isthmus above Banning House. 183 Comment
  RSA762452  Cardamine hirsuta R. G. Swinney 2009-2-20 10005 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA17175  Carex alma Carl B. Wolf 1936-5-27 7837 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  UCD169234  Carex alma R. G. Swinney 2008-9-10 9423 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek. 1463 Comment
  UCR223729  Carex alma R. G. Swinney 2009-6-12 11136 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR224193  Carex alma Scott D. White 2004-7-28 10651 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  CAS-BOT-BC17666  Carex alma Frank W. Peirson 1918-5-21 1636 Los Angeles San Gabriel Mountains. Arroyo Seco Canyon. Comment
  RSA603206  Carex fracta L. C. Wheeler 1954-9-1 7085 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  UCR271224  Carex heteroneura R. G. Swinney 2011-9-27 15710 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  RSA229080  Carex heteroneura var. heteroneura Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38894 Los Angeles 1.3 mi SE of Dawson Saddle 2332 Comment
  CAS-BOT-BC118416  Carex praegracilis LeRoy Abrams 1901-4-8 1447 Los Angeles Los Angeles River near Tropico Comment
  CAS-BOT-BC443970  Carex praegracilis A. C. Sanders 2006-4-10 32001 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
  RSA90849  Carex senta F. W. Peirson 1921-5-20 2658 Los Angeles Little Rock Creek 1067 Comment
  RSA629718  Carex spissa L. C. Wheeler 1947-5-4 6480 Los Angeles San Gabriel Mountains: San Gabriel Canyon, 1/4 mile upstream from mouth. Comment
  UC836555  Carex triquetra L. W. Nuttall 1920-5-6 131 Los Angeles Santa Catalina Island Comment
  UC1587159  Carex tumulicola Tim Ross 1991-5-21 5390 Los Angeles upper e branch Box Canyon; San Clemente Island 463 Comment
  RSA402596  Carpobrotus edulis Robert Gustafson 1981-3-10 2118 Los Angeles Ballona Wetlands, Area 1. Comment
  UC1348975  Castilleja X montigena Robert F. Thorne and M. Z. Thorne 1967-7-19 37167 Los Angeles above Crystal Creek Recreation Area (Big Cienega Springs); San Gabriel Mts., Angeles National Forest 1981 Comment
  POM7000  Castilleja affinis Philip A. Munz, Street, Williams 1919-4-5 2448 Los Angeles Puddingstone Canyon Comment
  SBBG79234  Castilleja affinis W. A. Wright 1931-2-19 Los Angeles above school, Banning Cyn Comment
  UCR157910  Castilleja affinis Robert J. Steers 2005-5-8 12 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
  LA94902  Castilleja affinis subsp. affinis K. Larson; J. Neel 1950-4-2 29 Los Angeles 365 Comment
  RSA757320  Castilleja applegatei R. G. Swinney 2008-6-17 9054 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26. 2160 Comment
  RSA760674  Castilleja applegatei R. G. Swinney 2008-8-13 9403 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA628819  Castilleja applegatei subsp. martinii Scott D. White, David E. Bramlet 1998-6-29 6809 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. [Correct TRS should be 3N, 9W] 1707 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
  UC129405  Castilleja applegatei subsp. martinii Geo. B. Grant 1906-6-18 Los Angeles Summit Mt. Wilson Comment
  RSA622844  Castilleja applegatei subsp. martinii Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  SBBG53203  Castilleja exserta S. A. Junak 1978-4-15 SCa 29 Los Angeles just W of Chester grave site on N side of Cherry Cove Comment
  UCD122460  Castilleja exserta subsp. exserta Daryl Koutnik 1978-4-28 424 Los Angeles Point Dume near Zuma Beach. 45 Comment
  RSA716220  Castilleja exserta var. exserta Andrea Edwards, Pam De Vries 2006-4-11 78 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA400545  Castilleja foliolosa F. R. Fosberg 1931-4-7 S- 4500 Los Angeles Hamilton Beach, Santa Catalina Island. 10 Comment
  UC885215  Castilleja foliolosa Ira W. Clokey, B. Templeton May 1929 4484 Los Angeles Mandeville Canyon; Santa Monica Mountains 250 Comment
  UCSB8705  Castilleja foliolosa Haller, John 1950-3-26 Los Angeles San Gabriel Mtns; slope of little Dalton Caynon 518 Comment
  SD138805  Castilleja gleasoni Craig Reiser 1994-5-3 Los Angeles South of Kentucky Springs; east of Mount Gleason; Angeles Crest Highway below forest station Comment
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Nov 12 2014
  RSA0110789  Castilleja miniata Richard G. Swinney 2010-9-30 13919 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA631367  Castilleja miniata subsp. miniata Louis C. Wheeler 1967-9-4 10686 Los Angeles San Gabriel Mountains: Ravine south of Camp Lupine, Prairie Fork. 2043 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
  UC284277  Castilleja plagiotoma P. A. Munz 1923-5-27 6878 Los Angeles Big Rock Creek; San Gabriel Mts. 1295 Comment
  UC592153  Caulanthus amplexicaulis Herbert L. Mason 1926-4-27 3039 Los Angeles Rock Creek San Gabriel Mts., Rock Creek Comment
  RSA594534  Caulanthus amplexicaulis var. amplexicaulis L. C. Wheeler 1967-5-9 9368 Los Angeles Aliso Canyon, east of Acton, ca. 1 mi. downstream from Wagon Wheel Ranch. 1173 Comment
  SBBG112775  Caulanthus lasiophyllus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 518 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  CAS-BOT-BC39564  Caulanthus major Joseph Ewan; Nesta Ewan 1936-8-2 9897 Los Angeles San Gabriel Mountains. 1.5 mile below head of Cedar Canyon off Mescal Canyon. Comment
  CAS-BOT-BC47906  Ceanothus arboreus George B. Grant; Walter Wheeler 1904-4-21 1486146 Los Angeles Santa Catalina Island Comment
  POM126295  Ceanothus crassifolius V. Newsom, M. Hilend 1927-4-13 s.n. Los Angeles Hills S.W. of Newhall. Comment
  RSA2997  Ceanothus crassifolius Carl B. Wolf 1932-3-4 2671 Los Angeles Thompson Creek: S base of San Gabriel Mountains, 3-4 mi. N of Claremont. 457 Comment
  RSA670298  Ceanothus crassifolius Joseph M. Keefe 2001-3-19 31148 Los Angeles San Rafael Mountains. 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, CA 91208 466 Comment
  UCR204891  Ceanothus crassifolius R. G. Swinney 2008-3-31 8592 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  UCSB3871  Ceanothus crassifolius Kamb, Peter 1948-2-29 Los Angeles Ridge west of Sheep Corral Canyon, North slope of the Verdugo Range 701 Comment
  CAS-BOT-BC48871  Ceanothus cuneatus C. F. Baker 1904-3-18 4055 Los Angeles Claremont Comment
  RSA399015  Ceanothus cuneatus M. B. Dunkle 1936-4-9 4718 Los Angeles San Rafael Valley Comment
  SEINET6078636  Ceanothus cuneatus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA399027  Ceanothus cuneatus var. cuneatus L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  UCSB3886  Ceanothus cuneatus var. cuneatus Wilson, Richard 1958-2-1 Los Angeles 3 miles N. of Topanga Canyon Rd. on old Topanga Canyon Rd. 304 Comment
  RSA524622  Ceanothus greggii var. vestitus Tim S. Ross, S. D. Boyd 1990-5-17 2591 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  UCR223092  Ceanothus integerrimus R. G. Swinney 2009-6-2 11008 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CAS-BOT-BC50555  Ceanothus leucodermis Alice Eastwood 1919-6-20 9020 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC50575  Ceanothus leucodermis W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon near Monrovia Comment
  RSA651871  Ceanothus leucodermis Michael Krawczyk 1981-4-26 3 Los Angeles 200 yards down canyon on north side of Highway 39, 2 miles south of Rincon forest station in the San Gabriel Mtns. Comment
  UCR271153  Ceanothus leucodermis R. G. Swinney 2011-7-8 15475 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
  RSA177819  Ceanothus megacarpus var. insularis Robert F. Thorne, Percy C. Everett 1965-5-10 34425 Los Angeles Santa Catalina Island. Upper end of White's Landing Road, N slope of Blackjack Mt. 412 Comment
  POM293303  Ceanothus oliganthus Lyman Benson 1945-3-25 11613 Los Angeles Big Dalton Canyon, Glendora 351 Comment
  UC1071164  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-2-17 289 Los Angeles Pico Canyon Santa Susana quad. 640 Comment
  LA32019  Ceanothus spinosus Peter H. Raven; Henry J. Thompson 1959-5-5 14140 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1), Malibu Creek drainage 365 Comment
  LA42089  Ceanothus spinosus Carl Epling; 1926-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
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Apr 22 2014
  RSA650468  Ceanothus spinosus George Maruko 1948-2-23 s.n. Los Angeles South slope above golf course, Griffeth Park, Los Angeles. 213 Comment
  UCR206446  Ceanothus vestitus R. G. Swinney 2008-6-10 9009 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 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
  UCR200166  Centaurea melitensis Valerie Soza, Laura A. Moore 2000-5-10 828 Los Angeles Transverse Ranges: Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 595 Comment
  UC61537  Centaurium venustum Ernest Braunton Jun 1903 890 Los Angeles Glendale to Burbank Comment
  UC741167  Centaurium venustum Muriel F. Wheeler 1938-6-13 975 Los Angeles 0.5 mi ne San Dimas County Park; San Dimas Wash 360 Comment
  CAS-BOT-BC288836  Centromadia parryi subsp. australis H. M. Hall 1930-11-4 12990 Los Angeles Watts Comment
  UCR161195  Centromadia pungens subsp. pungens T. B. Salvato, Melissa Clemons 2005-9-27 1242 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
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Jan 8 2013
  CAS-BOT-BC279600  Centromadia pungens subsp. pungens Ernest Braunton 1903-6-1 899 Los Angeles L. A. River, Glendale to Burbank Comment
  CAS-BOT-BC179820  Centrostegia thurberi Margaret Stason 1927-5-14 s.n. Los Angeles Mohave Desert, near Palmdale Comment
  UCR231910  Centrostegia thurberi Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8064 Los Angeles Mojave Desert, Antelope Valley, north of Palmdale and west of Air Force plant, 50 m west of Sierra Highway and 325 m north of Avenue N 779 Comment
  CATA1214  Cerastium glomeratum Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2270 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  CAS-BOT-BC388298  Cerastium glomeratum Munz; Street; Williams 1919-4-5 2468 Los Angeles Puddingston Canon [Canyon], Sam Dimas Comment
  SEINET12161223  Ceratonia siliqua Unknown 1944-1 s.n. Los Angeles Claremont Comment
  RSA0014965  Cercocarpus betuloides Steve D. Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11693 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  RSA0085288  Cercocarpus betuloides R. G. Swinney 2010-8-16 13533 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR17481  Cercocarpus betuloides J. L. Huber 1969-4-27 969 Los Angeles San Gabriel Mtns, Chilao, 1 mi north of Chilao Fire Station 1524 Comment
  UCR242032  Cercocarpus betuloides Dan S. Cooper 2012-8-31 812- 83 Los Angeles Western Transverse Range; Santa Monica Mountains, Decker Canyon Rd. (Hwy 23) at Hassted Dr. 511 Comment
  UC1971393  Cercocarpus betuloides Louis C. Wheeler 1946-8-25 6242 Los Angeles SAN GABRIEL MOUNTAINS: Near Soldier Creek on Coldbrook, Crystal Lake Road. Comment
  CAS-BOT-BC135509  Cercocarpus betuloides var. betuloides Tim Ross 1993-4-22 6912 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; near dogleg in drainage, Santa Catalina South USGS 7.5'. 230 Comment
  RSA653357  Cercocarpus betuloides var. betuloides LeRoy Gross 2000-10-28 305 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain st. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road). 488 Comment
  SEINET13276842 Image available Cercocarpus betuloides var. betuloides R. G. Swinney 2011-1 15170 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  UC1127865  Cercocarpus betuloides var. betuloides H. A. Jensen 1933-4-10 282 Los Angeles Verdugo Mountain 762 Comment
  RSA161096  Cercocarpus betuloides var. blancheae Peter H. Raven 1962-5-21 17800 Los Angeles Santa Catalina Island. Bullrush Canyon, about opposite ranch in Middle Canyon 213 Comment
  SBBG31385  Cercocarpus betuloides var. blancheae R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-13 36737 Los Angeles Salta Verde, Wild Boar Gully 167 Comment
  CAS-BOT-BC136973  Cercocarpus ledifolius var. intermontanus V. W. Steinmann 1996-6-17 921 Los Angeles San Gabriel Mountains, ca. 2.5 km (by air) south-southwest of Mt. San Antonio, along Baldy Trail 2550 Comment
  RSA507980  Chaenactis artemisiifolia Steve Boyd, Timothy S. Ross 1988-4-28 2235 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  UCD130220  Chaenactis artemisiifolia Robert F. Thorne; C. W. Tilforth 1971-6-17 39957 Los Angeles San Gabriel Mountains, Angeles National Forest. 2 miles up Lower Tujunga Road from Forestry Headquarters. Little Tujunga Creek. 457 Comment
  SFV3806  Chaenactis fremontii K. A. Wilson 1962-5-12 1268 Los Angeles Mojave Desert Antelope Valley. 1 mile east of Littlerock on Highway 138. 900 Comment
  UCR205068  Chaenactis glabriuscula R. G. Swinney 2008-4-4 8614 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  CAS-BOT-BC277331  Chaenactis glabriuscula var. glabriuscula Alice Eastwood 1928-6-15 15384 Los Angeles Claremont Comment
  JEPS34164  Chaenactis glabriuscula var. glabriuscula Julia A. Bettys 1929-4-29 Los Angeles Los Angeles Comment
  RSA774278  Chaenactis stevioides R. G. Swinney 2009-6-17 11182 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA0068307  Chamaesyce albomarginata R. G. Swinney 2010-5-12 12705 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA70550  Chamaesyce albomarginata F. W. Peirson 1919-6-13 459 Los Angeles Rock Creek. 1296 Comment
  SDSU21096  Chamaesyce albomarginata Ian Cain, Bruce Lund 2010-5-10 1406 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  RSA435972  Chamaesyce albomarginata N. C. Cooper 1944-4-23 1163 Los Angeles Pomona. 244 Comment
  RSA613519  Chamaesyce albomarginata L. C. Wheeler 1976-8-4 s.n. Los Angeles Dominguez Hills: Near Wilmington Avenue and Victoria Street. 48 Comment
  JEPS60011  Cheilanthes covillei Joseph Ewan 1937-5-30 7207 Los Angeles Mill Creek near junction of North Fork Tujunga Creek 914 Comment
  RSA527586  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4413 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA685780  Cheilanthes newberryi Richard C. Barkelew 1929-4-17 s.n. Los Angeles Santa Monica Mountains, Mulholland Highlands, Los Angeles. Comment
  UCR85823  Chenopodium T. S. Ross 1991-8-16 5802 Los Angeles San Gabriel Mtns., Big Tujunga Canyon, 1/5 mi due east of the confluence of Lucas Creek 918 Comment
  LA31611  Chenopodium ambrosioides Henry J. Thompson; 1959-11-23 3006 Los Angeles Santa Monica Mountains, Franklin Canyon, S shore of upper Franklin Canyon Reservoir 259 Comment
  RSA133815  Chenopodium ambrosioides H. J. Thompson 1959-11-23 3006 Los Angeles South shore of Upper Franklin Canyon Reservoir. 259 Comment
  RSA423258  Chenopodium atrovirens F. R. Fosberg, J. Ewan 1931-6-12 4977 Los Angeles along ridge trail near big rock-Bear Creek divide 2133 Comment
  CATA1651  Chenopodium berlandieri Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-6-13 2937 Los Angeles Santa Catalina Island: Behind Little Harbor 9 Comment
  UCR177303  Chenopodium berlandieri LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1041 Los Angeles Transverse Ranges; Verdugo Mountains region, South side of mountains, Brand Canyon, at check dam ( man-made waterfall), where the canyon forks 393 Comment
  RSA726042  Chenopodium californicum R. G. Swinney 1998-4-14 6005 Los Angeles San Gabriel Mtns./Southern Mojave Desert: Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St., W of Mescal Creek Canyon, Mescal Highlands. 1299 Comment
  LA200366  Chenopodium multifidum Jonathan Sauer; D Caretto 1971-5-7 4911 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  UCR258838  Chenopodium murale R. G. Swinney 2010-3-16 11918 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR262101  Chenopodium strictum R. G. Swinney 2005-8-5 8397 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  LA37478  Chenopodium strictum var. glaucophyllum H. Lewis; 1940-8-14 sn Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  RSA662677  Chenopodium strictum var. glaucophyllum LeRoy Gross 2001-11-10 455 Los Angeles Verdugo Mountains, north side. Off the 210 freeway east bound LaTuna Canyon Road exit opposite this exit is a road that starts out paved (Hostetter Mountainway)., Follow this road that parallels the freeway east till a dirt road forks off on the right (southeast) 457 Comment
  UCR194147  Chorizanthe spinosa A. C. Sanders 2008-4-25 35105 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 976 Comment
  CAS-BOT-BC244805  Chorizanthe staticoides J. Ewan 1929-6-21 3645 Los Angeles Verdugo Canyon, south end. Dry, hard ground of fire-break 548 Comment
  CAS-BOT-BC536482  Chorizanthe staticoides A. C. Sanders; D. Malueg 1998-6-22 22040 Los Angeles San Gabriel Mtns: Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3--4, just below confluence with Beartrap Canyon 1005 Comment
  RSA0108828  Chorizanthe staticoides R. G. Swinney 2010-6-1 13140 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
  RSA507995  Chorizanthe staticoides Steve Boyd, Tim S. Ross 1988-4-28 2250 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA718069  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney 1997-8-19 5810 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  POM290506  Chrysothamnus nauseosus subsp. hololeucus Lyman Benson 1949-11-7 14280 Los Angeles 10 miles northwest of Big Pine. San Gabriel Mountains. Mojave Desert Drainage Area. 1753 Comment
  POM158239  Chrysothamnus nauseosus subsp. mohavensis P. A. Munz, I. M. Johnston 1928-9-5 11179 Los Angeles road from Rock Creek to Big Pines 1371 Comment
  POM352028  Chrysothamnus teretifolius F. R. Fosberg 1931-11-22 7060 Los Angeles Big Rock Creek 1400 Comment
  CHSC26014  Chylismia claviformis subsp. claviformis N. Rinden 1971-5-2 44 Los Angeles 15 miles East of Palmdale on South slope of Lovejoy Buttes in Mojave Desert. 914 Comment
  LA25939  Cirsium occidentale Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  UCR277080  Cirsium occidentale R. G. Swinney 2011-6-7 15098 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 1780 Comment
  CAS-BOT-BC285399  Cirsium occidentale var. californicum John Thomas Howell 1931-5-29 6557 Los Angeles Westwood Hills, Santa Monica Mts. Comment
  POM352156  Cirsium occidentale var. californicum M. B. Dunkle 1933-7-11 3660 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  RSA529142  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd 1991-7-24 5611 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1915 Comment
  RSA729725  Cirsium occidentale var. californicum R. G. Swinney 1999-6-18 7325 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  UCR273432  Cirsium occidentale var. californicum R. G. Swinney 2011-6-22 15256 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
  SBBG98553  Cirsium occidentale var. coulteri T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5325 Los Angeles terrace flats between Box and Horse Cyns 484 Comment
  UC1922499  Cirsium occidentale var. venustum Scott D. White, A. Warniment 2005-9-9 11220 Los Angeles Tehachapi Mtns.: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. Comment
  UCR138701  Cirsium occidentale var. venustum L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Pallett Creek 1280 Comment
  RSA756147  Cirsium vulgare R. G. Swinney 2008-7-13 9185 Los Angeles San Dimas Experimental Forest, east fork of Bell Canyon at debris basin 756 Comment
  RSA229020  Cistanthe monandra R. F. Thorne, C. W. Tilforth 1971-6-30 40780 Los Angeles San Gabriel Mountains, Angeles National Forest: Pinyon Flats 1.6 miles below Alder Saddle along dry branch of S fork of Little Rock Creek 1585 Comment
  RSA65419  Cistanthe monosperma F. W. Peirson 1905-7-14 34 Los Angeles San Antonio Canyon, San Gabriel Mts., Los Angeles Co., California Comment
  UCR266274  Clarkia D. E. Bramlet, Mike Ahmer 2005-4-14 3800 Los Angeles Puente Hills, Powder Canyon 229 Comment
  RSA448247  Clarkia bottae E. A. Purer 1935-5-11 6584 Los Angeles Santa Monica Hills. Comment
  RSA453462  Clarkia bottae F. E. Durkee 1906-05 s.n. Los Angeles Los Angeles, Hollywood Canyon. Comment
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Nov 17 2015
  RSA609141  Clarkia bottae Louis C. Wheeler 1932-6-18 832 Los Angeles San Dimas Canyon. 427 Comment
  SBBG28057  Clarkia bottae C. L. Hitchcock 1928-5-11 51 Los Angeles mouth of San Dimas Cyn 900 Comment
  RSA73342  Clarkia dudleyana F. W. Peirson 1919-6-7 466 Los Angeles Cow Canyon divide, San Antonio Creek Region 1372 Comment
  SBBG28049  Clarkia dudleyana C. L. Hitchcock 1928-5-11 46 Los Angeles above dam, San Dimas Cyn 1000 Comment
  RSA727274  Clarkia epilobioides R. G. Swinney 1998-5-25 6146 Los Angeles San Gabriel Valley; Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
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Mar 14 2013
  SD53049  Clarkia epilobioides Peter H. Raven 1962-5-22 17823 Los Angeles Santa Catalina Island; open grassland above Emerald Bay. 121 Comment
  UC450944  Clarkia epilobioides Fay A. MacFadden 1931-4-10 2600 Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA151274  Clarkia epilobioides Peter H. Raven 1962-5-10 17710 Los Angeles Canyon just north of Thirst, San Clemente Island. 335 Comment
  RSA534031  Clarkia epilobioides Orlando Mistretta, Mike Hammit 1991-5-19 5301 Los Angeles San Clemente Island: westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft. N of rest [1336 ] marker; 1800 ft. SE of Malo Knoll [1396 ]) Upper portion of drainage 274 Comment
  UC73317  Clarkia epilobioides Miss E. D. Palmer November, 1904 Los Angeles vicinity Los Angeles Comment
  UC58867  Clarkia purpurea subsp. quadrivulnera H. P. Chandler 1897-5-24 Los Angeles Claremont Comment
  RSA0035486  Clarkia purpurea subsp. quadrivulnera Orlando Mistretta 1989-5-5 s.n. Los Angeles Bouquet Canyon. Comment
  RSA73348  Clarkia rhomboidea F. W. Peirson 1927-5-21 7300 Los Angeles North side of canyon of Rock Creek 1524 Comment
  RSA674733  Clarkia unguiculata Scott D. White, Pam DeVries 2000-5-18 7912 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  UCD170699  Clarkia xantiana R. G. Swinney 2008-5-12 8837 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA0059501  Claytonia exigua subsp. exigua Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4978 Los Angeles Soledad Canyon Wash between Acton and Paris. 835 Comment
  RSA0010527  Claytonia parviflora subsp. parviflora LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6796 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SD217355  Claytonia perfoliata Tim Ross, Laurel Arnseth 1990-4-8 4360 Los Angeles San Clemente Island. East side of island, Bruce Canyon near Malo Poin. Comment
  UCR271732  Claytonia perfoliata subsp. mexicana R. G. Swinney 2011-3-26 14197 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  SDSU17713  Claytonia perfoliata subsp. mexicana S. H. Bullock 1968-5-23 158 Los Angeles San Gabriel Mountain Range. San Antonio Canyon off of the 'Old' Mount Baldy Road. 945 Comment
  CAS-BOT-BC91392  Clematis lasiantha J. H. Thomas 1957-5-11 6756 Los Angeles San Gabriel Mountains, about 4.5 miles north of La Canada. 975 Comment
  UCR179265  Clematis lasiantha R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  RSA187647  Clematis ligusticifolia Robert F. Thorne 1966-9-14 36628 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 198 Comment
  CAS-BOT-BC92811  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash. 106 Comment
  OBI10670  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash 107 Comment
  UC853957  Clematis pauciflora Louis C. Wheeler 1932-6-27 881 Los Angeles San Gabriel Mts., San Dimas Canyon Dam Comment
  POM93650  Cleome isomeris George B. Grant s.n. Los Angeles Santa Catalina Island, Avalon. Comment
  UC212290  Cleomella obtusifolia Geo. B. Grant Jul 1901 4401 Los Angeles Palmdale Mojave Desert Comment
  JEPS1762  Collinsia heterophylla C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4749 Los Angeles Bouquet Canyon 700 Comment
  LA2023  Collinsia heterophylla A. M. Johnson; 1925-4-26 4575 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
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Jun 25 2015
  SBBG66394  Collinsia heterophylla R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  RSA14205  Collinsia heterophylla Carl B. Wolf 1926-04 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA408268  Collinsia heterophylla Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon. 560 Comment
  POM21410  Collinsia parryi George B. Grant 1904-5-5 s.n. Los Angeles Arroyo Seco near Pasadena Comment
  RSA0117373  Collinsia parryi Scott D. White, Justin M. Wood 2009-5-6 12667 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA0117326  Collinsia parryi Wesley O. Griesel 1961-4-18 s.n. Los Angeles Switzers Inlet, San Gabriel Mountains. 762 Comment
  CHSC95369  Conium maculatum LeRoy Gross; Steve Larson, Valerie Soza 2001-5-31 386 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southeast side. At the mouth of Dead Horse Canyon, along road (Heather Ridge Dr.) where paved road ends. 305 Comment
  UC149162  Constancea nevinii T. S. Brandegee May, 1890 Los Angeles Santa Catalina Island Comment
  CLARK-A1528-7870  Convolvulus althaeoides John C. Roos 1950-5-9 4793 Los Angeles Los Angeles 91 Comment
  UCR186411  Convolvulus arvensis T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2083 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  SBBG108424  Convolvulus simulans T. Ross 1995-5-21 8604 Los Angeles near head of Chenetti Cyn, just SW of W prong of the trident formed at the top of the longest tributary; 1800' SSE of Rest Triangulation Pt (1336') 347 Comment
  LA32106  Conyza bonariensis Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  RSA463683  Conyza bonariensis A. C. Sanders 1987-9-18 7368 Los Angeles El Segundo Dune, W of Los Angeles International Airport and Pershing Dr. 38 Comment
  CAS-BOT-BC286125  Conyza canadensis Peter H. Raven; Henry J. Thompson 1959-10-18 14667 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mouth of Medea Creek, north arm of Malibu Lake 220 Comment
  UCR88690  Conyza canadensis Scott D. White 1995-10-19 3706 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR209903  Cordylanthus nevinii R. G. Swinney 2008-7-24 9289 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  IRVC28562  Cordylanthus rigidus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27125 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  RSA602561  Cordylanthus rigidus subsp. setiger Louis C. Wheeler 1967-8-28 10551 Los Angeles San Gabriel Mountains: Gold Dollar Mine at head of Dry Gulch off Coldwater Canyon. 2195 Comment
  SEINET4676159  Cordylanthus rigidus subsp. setiger Timothy S. Ross, Steve Boyd 1994-9-21 8289 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 foot USGS Quadrangle.; 0 1676 Comment
  RSA271447  Coreopsis bigelovii C. W. Tilforth, John Dourley, Walter Wisura 1978-4-17 1529 Los Angeles Bob's Gap, about 2 1/2 mile north-east of Valyermo, north (desert) slopes of San Gabriel Mountains. 1097 Comment
  CAS-BOT-BC287090  Coreopsis douglasii Marcus E. Jones 1882-5-2 3361 Los Angeles Pasadena Comment
  RSA188170  Coreopsis gigantea R. F. Thorne 1966-4-6 35913 Los Angeles Santa Catalina Island. Old quarry W of Empire Landing. 91 Comment
  RSA526073  Coreopsis gigantea Steve Boyd, Timothy S. Ross, Peter W. Fritsch 1990-4-6 4172 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called 'Jack'. 152 Comment
  CAS-BOT-BC105690  Corethrogyne filaginifolia Edith A. Purer 1933-10-7 5588 Los Angeles Sand dunes, El Segundo Comment
  RSA719748  Corethrogyne filaginifolia R. G. Swinney, Dave W. Larson 1996-8-7 5237 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s. 1524 Comment
  UC625073  Corethrogyne filaginifolia F. R. Fosberg 1931-7-11 S 5375 Los Angeles Middle Ranch Canyon at mouth of Cape Canyon; Santa Catalina Island 200 Comment
  UCD130848  Corethrogyne filaginifolia Geoffrey Levin 1974-4-27 57 Los Angeles Evey Canyon, a side Canyon of San Antonio Canyon. San Gabriel Mountains, Santa Ana River and Pacific Slope Drainage Area. 731 Comment
  UCR261323  Corethrogyne filaginifolia R. G. Swinney 2010-3-13 11885 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR273186  Corethrogyne filaginifolia R. G. Swinney 2011-10-25 15891 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  POM96631  Corethrogyne filaginifolia E. S. Spalding 1924-4-5 s.n. Los Angeles Manhattan Beach. Comment
  POM356112  Corethrogyne filaginifolia var. filaginifolia Thekla Mohr 1915-1 3042 Los Angeles North Fork, San Gabriel River. Comment
  CAS-BOT-BC287259  Cotula australis A. Kellogg; W. G. W. Harford 1868-1-1 518 Los Angeles Unspecified Comment
  LA31705  Cotula australis Peter H. Raven; 1959-3-1 13819 Los Angeles 243 Comment
  CAS-BOT-BC427735  Crassula connata J. H. Thomas 1957-3-16 6501 Los Angeles Pt. Dume. About 18 miles due west of Santa Monica. 60 Comment
  SFV1571  Crassula connata M. L. Vincent 1963-5-7 340 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
  UC1928625  Crassula connata Steve Boyd 2003-1-17 10440 Los Angeles Los Angeles Basin region; Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. Comment
  UC1929979  Crassula connata V. Soza, LeRoy Gross 2002-4-3 1376 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  UCR276899  Crassula erecta R. G. Swinney 2011-3-29 14276 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
  UCR193172  Crepis nana R. G. Swinney 1999-8-14 7619 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 1.3 air mi. ESE of Upper Fish Fork Campground 2268 Comment
  RSA71014  Cressa truxillensis F. W. Peirson 896 Los Angeles Banning Wharf, San Pedro. Comment
  UCD116895  Crocanthemum scoparium Daryl Koutnik 1978-5-2 459 Los Angeles Bell Canyon in the Simi Hills. 426 Comment
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Oct 1 2015
  RSA485831  Crossosoma californicum T. S. Elias 1988-2-10 10662 Los Angeles San Clemente Island. West shore near Marine Terrace Grade Comment
  RSA162837  Croton californicus J. D. Olmsted 1959-3-27 315 Los Angeles On terrace 1/4 mile SW of stream gaging station below San Dimas Ranger station; Mt. Range: San Gabriel Mts; Drainage area: San Dimas Creek. 488 Comment
  RSA479354  Croton californicus M. B. Dunkle 1934-9-30 3823 Los Angeles Long Beach, San Gabriel River. 9 Comment
  UCR205220  Cryptantha R. G. Swinney 2006-6-18 8532 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
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Feb 19 2020
  SBBG132078  Cryptantha S. A. Junak, B. Collins 1991-4-25 SCI 213 Los Angeles Middle Ranch Cyn, just downstream from cement dam 463 Comment
  RSA709627  Cryptantha barbigera LeRoy Gross 2005-4-28 2123 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
  UCR205863  Cryptantha barbigera R. G. Swinney 2008-5-8 8801 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA593453  Cryptantha circumscissa Steve Boyd 1996-4-24 8642 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA717215  Cryptantha circumscissa Scott D. White, Pam De Vries 2006-5-10 11434 Los Angeles St Tehachapi: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA656413  Cryptantha intermedia Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 679 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 579 Comment
  RSA79567  Cryptantha intermedia F. W. Peirson 1919-5-11 402 Los Angeles Arraster Creek, San Gabriel Mountains 915 Comment
  UCR251876  Cryptantha intermedia Victoria M. Woods, David G. Cook 2014-5-10 27 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Mount Baldy area, Potato Mountain Trail at Baldy Mtn. Rd turnoff 1043 Comment
  SEINET7991457  Cryptantha intermedia Louis C. Wheeler 1946-5-21 6209 Los Angeles San Gabriel Mountains, San Gabriel Wash, 2 mi S of Monrovia Comment
  UC857318  Cryptantha micrantha I. W. Clokey and B. C. Templeton 1930-4-8 4674 Los Angeles San Francisquito Canyon 600 Comment
  RSA712187  Cryptantha micrantha var. lepida A. C. Sanders, Mark Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26195 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA609265  Cryptantha microstachys L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek off West Fork San Gabriel River. 610 Comment
  RSA726184  Cryptantha microstachys Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley: Castaic Junction, Newhall, SW of the junction of SR 126 and US5, N of the Santa Clara River 305 Comment
  UCR108379  Cryptantha muricata L. C. Wheeler 1967-5-18 9616 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR255835  Cryptantha muricata R. G. Swinney 2010-4-20 12308 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR99594  Cryptantha muricata R. G. Swinney 1994-3-19 2716 Los Angeles San Gabriel Mtns., Glendora, 2.5 mi northwest of Big Dalton Canyon Road at Glendora Mountain Rd, c. 100 m below (S) of road 549 Comment
  RSA499701  Cryptantha muricata Frances Runyan 1973-4-7 32 Los Angeles Agua Dulce, north of freeway 610 Comment
  RSA0097179  Cryptantha muricata var. denticulata R. G. Swinney 2011-6-1 14977 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA0079353  Cryptantha muricata var. muricata L. R. Abrams 1902-6-17 2555 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  RSA0079451  Cryptantha muricata var. muricata L. C. Wheeler 1932-5-25 754 Los Angeles Santa Monica Mountains: Head of Sepulveda Canyon. 366 Comment
  SEINET8555263  Cryptantha muricata var. muricata I. W. Clokey, B. C. Templeton 1935-5-18 5667 Los Angeles San Gabriel Canyon, one mile above dam. Comment
  UC61122  Cryptantha nevadensis J. Burtt Davy 1896-5-17 2306 Los Angeles Llano Verde Antelope Valley Comment
  RSA716351  Cryptantha nevadensis var. rigida Andrea Edwards, Pam De Vries 2006-5-15 103 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SEINET9318798  Cryptantha pterocarya Unknown 2009-4-28 10537 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma (Pacifico Mtn). Pinyon-juniper woodland and chaparral, burned in c. 2006; with Quercus john-tuckeri, Eriogonum fasciculatum poliofolium, Poa secunda, etc. Comment
  UC1168710  Cryptantha pterocarya Peter H. Raven 1958-3-23 11962 Los Angeles 4.3 mi s Pearblossom (along road, above Big Rock Creek) Comment
  RSA0078838  Cryptantha pterocarya var. pterocarya Justin M. Wood 2010-5-10 1592 Los Angeles San Gabriel Mountains: Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  RSA679954  Cryptantha similis LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 878 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UCR116706  Cupaniopsis anacardioides Sharon Dougherty 2001-7-3 s.n. Los Angeles San Gabriel Mtns. (foothills), Pasadena, Cal Tech (Jet Propulsion Laboratory) 457 Comment
  UCR146260  Cupressus guadalupensis var. forbesii Steve Boyd, Lee W. Lenz 2001-5-2 10425 Los Angeles Transverse Ranges; Liebre Mountains region, Warm Springs Mountain, along road to summit, just west of cutoff to Necktie Basin on slope between road and steep escarpment into Warm Springs Canyon Comment
  UCSB4989  Cuscuta californica Wedberg, H. 1958-7-15 Los Angeles On Mulholland highway between Topanga Canyon and Beverly Glen, Santa Monica Mtns. Comment
  LA210109  Cuscuta subinclusa Louis C. Wheeler; 1932-8-28 1297 Los Angeles San Jose Hills, Puddingstone Dam 274 Comment
  RSA409718  Cuscuta subinclusa George Price 1967-5-20 s.n. Los Angeles Whittier narrows Comment
  UCD98527  Cycloloma atriplicifolium Henson - Goodwin 1932-7-6 s.n. Los Angeles Exact location unknown. Comment
  SEINET10669863  Cynara scolymus Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3746 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  RSA775589  Cynosurus echinatus Orlando Mistretta, Christine Mistretta 2010-6-25 5352 Los Angeles Transverse Ranges; San Gabriel Mountains region: On Forest Route 2N24 near head of N fork Santa Anita Canyon, along Southern California Edison transmission line corridor. 1215 Comment
  RSA0112848  Cyperus Steven A. Junak 1999-5-8 SCa- 911 Los Angeles Santa Catalina Island. Lower part of Fern Canyon, just 0.3 mi upstream from junction with Cottonwood Canyon. 122 Comment
  LA15026  Cyperus esculentus var. leptostachyus Louis Wheeler; 1932-9-19 1397 Los Angeles 121 Comment
  RSA602180  Cyperus involucratus L. C. Wheeler 1946-11-10 6442 -A Los Angeles Rosemead: Rio Hondo at Garvey Avenue. Comment
  UCD169671  Cyperus odoratus Louis C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. 116 Comment
  RSA167862  Cytisus linifolius R. F. Thorne, P. C. Everett 1964-2-6 33277 Los Angeles Santa Catalina Island. On road from airport to horse ranch, E of Little Harbor Comment
  JEPS23134  Datisca glomerata Rimo Bacigalupi with Reino Alava 1958-7-21 6453 Los Angeles South Fork of Little Rock Creek, Angeles National Forest South Fork of Little Rock Creek; San Gabriel Mountains, Angeles National Forest, Little Rock 1432 Comment
  RSA173361  Datisca glomerata J. D. Olmsted 1959-9-30 1062 Los Angeles Along Mt. Baldy Trail to water supply meadow, above Camp Baldy; then left on side trail for 1.5 miles to stream crossing. 1860 Comment
  RSA228868  Datura wrightii Robert F. Thorne 1971-6-26 40638 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  CATA63  Daucus pusillus USC Wrigley Interns: Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 39 Los Angeles Santa Catalina Island: Deer Valley Trail 92 Comment
  UC1018427  Daucus pusillus Francis M. Ball May 1948 Los Angeles Sepulveda Blvd. 1 mi. w. of tunnel Santa Monica Mts. Comment
  UC1228819  Daucus pusillus Peter H. Raven 1962-4-9 17168 Los Angeles arroyo in grassland above Wilson Cove (San Clemente Isl.); San Clemente Isl. 60 Comment
  CAS-BOT-BC130911  Deinandra clementina L. R. Abrams; I. L. Wiggins 1931-7-6 342 Los Angeles Vicinity of Mosquito Harbor Comment
  CAS-BOT-BC130933  Deinandra clementina W. M. Heusi 1930-11-5 111 Los Angeles Pebble Beach, Santa Catalina Island Comment
  CATA754  Deinandra clementina Mark L. Hoefs 1991-5-22 1283 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  UC174175 Image available Deinandra clementina T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  SBBG128559  Deinandra clementina M. L. Hoefs, P. Hartman, B. Marin 1995-6-27 2335 Los Angeles Catalina Harbor 3 Comment
  SBBG90430  Deinandra fasciculata M. C. Hochberg 1985-4-7 1210 Los Angeles Little Springs Cyn 243 Comment
  SBBG98650  Deinandra fasciculata T. Ross 1991-5-20 5361 Los Angeles uppermost reaches of the Wilson Cove Cyn drainage, 3300 feet NW of the 750 ft bench mark 141 Comment
  SEINET7838965 Image available Deinandra fasciculata I. W. Clokey, B. C. Templeton 4600 Los Angeles Mandeville Canyon, Santa Monica Mts. Comment
  UCD131160  Deinandra minthornii Daryl Koutnik; William Balch, Bruce Holguin 1979-12-31 594 Los Angeles Charmlee Regional Park, about one mile southwest of Enicinal Canyon Road. 243 Comment
  RSA669288  Delairea odorata LeRoy Gross 2001-12-9 459 Los Angeles Big Santa Anita Canyon; ca. 1/4 mile down from the tributary of Winter Creek, east of Chantry Flat. 518 Comment
  UC2058823  Delphinium Robert F. Thorne, M. Z. Thorne 1969-7-10 38433 Los Angeles San Gabriel Mountains, Angeles National Forest. Transverse ranges; 1.5 miles W of Wrightwood. Comment
  POM220069  Delphinium parryi F. R. Fosberg 1932-5-5 8120 Los Angeles Canyon above Villa Park, Avalon. 50 Comment
  UC854179  Delphinium parryi subsp. maritimum John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island Comment
  CAS-BOT-BC116400  Delphinium patens subsp. hepaticoideum Marcus E. Jones 1882-5-2 3204 Los Angeles Pasadena Comment
  RSA400043  Delphinium patens subsp. hepaticoideum Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  RSA400068  Delphinium variegatum subsp. kinkiense M. B. Dunkle 1939-4-6 7322 Los Angeles San Clemente Island: Mosquito-Pyramid Trail. Comment
  SD90467  Dendromecon harfordii Robert F. Thorne 1970-3-5 39362 Los Angeles Santa Catalina Island; north slope of Blackjack Mountain. 456 Comment
  LA32135  Dendromecon rigida Peter H. Raven; 1959-3-8 13841 Los Angeles Santa Monica Mountains, Laurel Pass, Mulholland Drive, 5.0 mi E of Beverly Glen Canyon 335 Comment
  LA82464  Dendromecon rigida O. H. Kappler; 1941-3-26 152 Los Angeles 609 Comment
  RSA433213  Dendromecon rigida Geo. L. Moxley 1915-7-19 385 Los Angeles Arroyo Seco Canyon: ca. 1/2 mi above Switzer's Canyon Comment
  RSA607926  Dendromecon rigida Louis C. Wheeler 1961-6-13 7879 Los Angeles Pacoima Canyon near Dutch Louie Camp. 716 Comment
  SD253511  Dendromecon rigida R. G. Swinney 2011-5-19 14788 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 mile at 84 degrees SSE of ct. of Colby Ranch Rd. and FSR 3N19, upper Colby Canyon. 1018 Comment
  SEINET12088955  Dendromecon rigida C. V. Braun 1975-1 140 Los Angeles T6N, R15W, 2 mi SW of junction with Spunky Canyon Road Comment
  RSA199175  Dendromecon rigida subsp. rhamnoides Robert F. Thorne, Propst 1968-5-29 37695 Los Angeles Santa Catalina Island. On north slope of Black Jack Mountain at upper end Swain's Canyon toward Echo Lake. 396 Comment
  SEINET10524200  Deschampsia danthonioides Robert F. Thorne 1966-4-17 Thorne 36082 Los Angeles San Clemente Island: Grassland near reservoirs between Boulder & Horton, NE side of island; with Lupinus bicolor, Delphinium variegatum thornei, Festuca spp., Stipa spp., etc.; New genus for San Clemente Island. Comment
  UCR204839  Dicentra chrysantha R. G. Swinney 2005-8-11 8457 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR222992  Dichelostemma capitatum R. G. Swinney 2009-5-5 10634 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223501  Dichelostemma capitatum R. G. Swinney 2009-5-28 10949 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA583038  Dichelostemma capitatum subsp. capitatum Timothy S. Ross 1993-4-22 6871 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 289 Comment
  RSA755854  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2008-6-17 9046 Los Angeles Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1945 Comment
  UCR281406  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-4-24 16226 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  RSA367522  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1928-4-10 1819 Los Angeles Johnson s canyon Comment
  CAS-BOT-BC150627  Diplacus longiflorus Timothy S. Ross; J. Mark Porter 1995-5-4 8499 Los Angeles Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road 682 Comment
  SBBG113263  Diplacus puniceus S. A. Junak 1997-3-28 SCa 386 Los Angeles Avalon Cyn along lower end of Hermit Gulch Trail, just uphill from Crk crossing 137 Comment
  SBBG95217  Distichlis spicata M. B. Dunkle 1928-4-29 1909 Los Angeles near lagoon, Little Harbor Comment
  SD39648  Dithyrea maritima Edith A. Purer 1932-4-23 2774 Los Angeles El Segundo Comment
  SD168071  Dodecatheon clevelandii subsp. insulare G. L. Webster, M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7758 Los Angeles Catalina Island; slopes of Black Jack Mt. 449 Comment
  RSA461353  Dodecatheon clevelandii subsp. insulare Reid V. Moran 1941-2-16 571 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  UC212318  Drymocallis glandulosa var. viscida I. M. Johnston 1918-7-6 2068 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River (along small stream) 1981 Comment
  SD112361  Dryopteris arguta Darley F. Howe 1915-3-1 16 Los Angeles San Dimas Canyon Comment
  UCR217409  Dryopteris arguta R. G. Swinney 2009-2-26 10044 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  CAS-BOT-BC427996  Dudleya caespitosa K. Nakai 1980-6-5 620 Los Angeles Santa Monica Mountains, at the end of Pt. Dume on north facing slopes. 10 Comment
  RSA423523  Dudleya densiflora B. C. Templeton 1936-5-18 5660 Los Angeles San Gabriel Canyon. 366 Comment
  RSA0021511  Dudleya lanceolata Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5159 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA603695  Dudleya lanceolata L. C. Wheeler 1932-6-12 824 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  CAS-BOT-BC428401  Dudleya lanceolata Geo. B. Grant May 25 s.n. Los Angeles Terminal Id. Comment
  CAS-BOT-BC428410  Dudleya lanceolata Alice Eastwood 1919-7-4 9302 Los Angeles Elysian hills Comment
  RSA613166  Dudleya lanceolata Joseph A. Ewan 1932-6-29 7560 Los Angeles 1/2 mi. N of El Segundo. Comment
  RSA0084854  Dysphania ambrosioides R. G. Swinney 2010-9-1 13665 Los Angeles Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  RSA0103474  Dysphania botrys R. G. Swinney 2011-10-18 15809 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
  UCR258959  Dysphania botrys R. G. Swinney 2010-9-13 13816 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  POM365249  Echinochloa crus-galli L. E. Hoffman 1932-8-16 s.n. Los Angeles semi-moist river wash (near Ave. 59) Comment
  POM365257  Echinochloa crus-galli Anstruther Davidson 1889-08 s.n. Los Angeles L.A. River. Comment
  RSA594400  Echinochloa crus-galli Steve Boyd, Lauren Raz 1996-10-14 9077 Los Angeles Liebre Mountains region, 'Cow Spring Pond', a sag pond along the San Andreas Fault at the north base of Liebre Mountain in Oakdale Canyon, just west of confluence of Cow Spring Canyon. 1159 Comment
  RSA620043  Echinochloa crus-galli LeRoy Gross 1998-11-1 93 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga wash. East of 210 freeway, city of Sunland. 365 Comment
  UCR210478  Echinochloa crus-galli R. G. Swinney 2008-11-30 9899 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  RSA739769  Eclipta prostrata John Dittes 2006-11-3 1426 Los Angeles Western Transverse Ranges, San Gabriel Mtns, Big Tujunga Canyon, 2.7 air miles SE of Mt. Mckinley, 3.8 air miles W of Big Tujunga Reservoir, 3.6 air miles NE of Mt. Gleason Jr. Highschool 512 Comment
  SD197626  Ehrharta calycina R. G. Swinney 2008-3-26 8567 Los Angeles San Gabriel Mountains; San Dimas, Puddingstone Diversion Dam at mouth of San Dimas Canyon. 353 Comment
  CHSC109687  Ehrharta longiflora Scott D. White; Justin Wood 2008-5-8 11943 Los Angeles Puente/Chino Hills; SCE powerline corridor near Skyline Dr., and E of Hacienda Blvd.; Hacienda Heights. 320 Comment
  SBBG31325  Elatine californica R. F. Thorne 1966-4-6 35898 Los Angeles below Catalina Airport 435 Comment
  UCR155131  Eleocharis macrostachya A. C. Sanders 2005-5-5 29938 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, SW end of Cruzan Mesa at site of former dairy, east of Bench Mark 'Plum 655 Comment
  UCR190755  Eleocharis macrostachya R. G. Swinney 1999-7-5 7496 Los Angeles San Gabriel Mtns., head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2037 Comment
  RSA0118866  Eleocharis parishii A. C. Sanders 2006-5-16 32333 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  RSA228843  Eleocharis parishii Robert F. Thorne 1971-6-26 40620 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 426 Comment
  RSA608865  Eleocharis parishii L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Soledad Canyon, Santa Clara River. 530 Comment
  SD72776  Elymus condensatus F. R. Fosberg 1931-5-14 S 4875 Los Angeles Middle Ranch Canyon, Santa Catalina Island, small ravine, canyon floor 199 Comment
  POM359920  Elymus elymoides J. G. Smith 1935-4-19 s.n. Los Angeles 1 mile west of Palmdale, Mojave Desert. Comment
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Oct 21 2015
  RSA645704  Elymus elymoides A. C. Sanders, E. J. Lott 1993-5-6 13956 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F''., (34 deg 45'N, 118 deg 09'W; [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 701 Comment
  RSA0105970  Elymus elymoides subsp. elymoides R. G. Swinney 2011-7-8 15510 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  RSA603025  Elymus elymoides subsp. elymoides L. C. Wheeler 1967-6-26 9906 Los Angeles San Gabriel Mountains : Placerita Canyon. 610 Comment
  CDA31745  Elymus glaucus L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns. Campground vicinity, Devil s Canyon Comment
  UC817412  Elymus glaucus F. R. Fosberg 1931-4-14 S- 4610 Los Angeles Eagles Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  RSA0091868  Elymus glaucus Steven A. Junak, Ralph N. Philbrick 2001-5-18 SCa- 1547 Los Angeles Santa Catalina Island. S side of Fern Canyon (one of the middle S forks of Cottonwood Canyon), above first creek crossing in road up Fern Canyon, ca. 0.5 mile upstream from junction with Cottonwood Canyon Road. 182 Comment
  POM308935  Elymus glaucus subsp. glaucus Kay H. Beach 1944-6-14 696 Los Angeles Spot B. road near Tanbark San Dimas Experimental Forest. San Gabriel Mountains. Comment
  RSA86747  Elymus glaucus subsp. glaucus F. W. Peirson 1924-5-27 4632 Los Angeles Tujunga Canyon west end of San Gabriel Mountains. 793 Comment
  UCR271826  Emmenanthe penduliflora R. G. Swinney 2010-3-24 12064 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
  RSA9613  Emmenanthe penduliflora var. penduliflora C. F. Baker 1904-05 4711 Los Angeles Hills near Claremont. Comment
  UC1118042  Encelia actoni A. Lewis 1934-2-1 287 Los Angeles mouth of Tick Canyon; San Fernando Quadrangle, Tick Canyon 533 Comment
  CAS-BOT-BC131209  Encelia californica Tim Ross 1993-4-22 6892 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); southerly coastal slope 1320 m SE of Cactus Peak summit 350 Comment
  CAS-BOT-BC140639  Encelia californica A. C. Sanders; Karen Kirtland 2010-5-14 38345 Los Angeles South Coast: Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  LA31638  Encelia californica Peter H. Raven; 1959-4-4 13946 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  RSA0049936  Ephedra nevadensis R. G. Swinney 2010-5-12 12743 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  POM123010  Epilobium brachycarpum Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley. Comment
  UCR146698  Epilobium canum Scott D. White 2004-8-11 10717 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 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
  VVC339  Epilobium canum P. J. MacKay 1989-1 s.n. Los Angeles San Gabriel Mtns, N facing slope of Mt Baden Powell ca 5 mi w of Wrightwood on Hwy 2 2043 Comment
  CAS-BOT-BC166266  Epilobium canum subsp. canum R. J. Dobbs 1927-11-11 s.n. Los Angeles 1/4 mile above Muller Ranger Station 365 Comment
  CHSC22139  Epilobium canum subsp. latifolium Robert A. Schlising 1971-9-14 2997 Los Angeles At jct Horse Flats Road and Angeles Crest Highway (Hwy 2), 2.2 miles NE of Upper Chileo. Comment
  RSA762420  Epilobium ciliatum R. G. Swinney 2008-8-13 9376 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  UCR270850  Epilobium ciliatum R. G. Swinney 2011-6-29 15345 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  JEPS39296  Epilobium ciliatum subsp. ciliatum Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  RSA587458  Epilobium ciliatum subsp. ciliatum Orlando Mistretta 1995-4-11 1618 -A Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  RSA588349  Epilobium ciliatum subsp. ciliatum Geo. L. Moxley 1915-7-4 365 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA250376  Epilobium glaberrimum Robert F. Thorne, John Dourley 1967-10-3 37284 Los Angeles Mt. Baden-Powell: Lamel Spring 2378 Comment
  RSA458702  Epilobium glaberrimum subsp. glaberrimum F. R. Fosberg, Joseph A. Ewan 1931-8-12 5010 Los Angeles Windy Camp Spring, Mt. Islip 2287 Comment
  JEPS64375  Epipactis gigantea Frank W. Peirson 1918-7-8 13 Los Angeles San Antonio Canyon San Gabriel Mountains 1828 Comment
  RSA0105686  Epipactis gigantea Sarah Ratay, Jack Baldelli 2011-4-13 134 Los Angeles Santa Catalina Island. In Fern Grotto, side canyon W of Coffeepot Canyon, near Thunder Beach, population starts just upstream from old road crossing and extends at least 400 m along drainage. Comment
  RSA0051551  Equisetum hyemale var. robustum Tom Golbin 1965-2-18 s.n. Los Angeles Rustic Canyon, Santa Monica Mts. 91 Comment
  POM281824  Equisetum laevigatum S. F. Blake 1910-9-7 963 Los Angeles Near Pasadena Comment
  RSA0073365  Equisetum laevigatum R. G. Swinney 2010-3-16 11960 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
  RSA0107653  Equisetum laevigatum R. G. Swinney 2011-6-23 15314 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center. 1582 Comment
  SEINET3237843 Image available Equisetum laevigatum R. G. Swinney 1998-7-21 6462 Los Angeles San Gabriel Mtns.; upper Fish Fork drainage, c. 200 m east of Little Fish Fork Campground. 2049 Comment
  UCR129905  Equisetum laevigatum L. C. Wheeler 1932-7-2 890 Los Angeles San Gabriel Mtns., San Dimas Canyon 457 Comment
  RSA684700  Equisetum laevigatum Anstruther Davidson 1905-5-11 1430 Los Angeles Frordencie Ranch(?), L.A. River Comment
  CAS-BOT-BC57799  Equisetum telmateia G. B. Grant; Walter Wheeler 1904-4-21 s.n. Los Angeles Santa Catalina Island. Comment
  RSA188236  Equisetum telmateia var. braunii R. F. Thorne, Percy C. Everett 1965-6-23 34958 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon 91 Comment
  CDA2078  Eragrostis lehmanniana A. C. Sanders 2003-5-26 25861 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 Comment
  POM352260  Eragrostis mexicana subsp. mexicana Geo. L. Moxley 1919-3-29 683 Los Angeles 39th Street near Compton Ave Comment
  RSA129658  Eragrostis mexicana subsp. virescens H. S. Yates 1936-8-28 6358 Los Angeles 5 miles ESE of Palmdale. 814 Comment
  SEINET12141704  Eremocarpus setiger Unknown 1902-1 2966 Los Angeles near Inglewood Comment
  JEPS31693  Eremothera boothii subsp. decorticans Frank W. Peirson 1928-6-2 7949 Los Angeles Rock Cr. San Gabriel Mts. (main stream bed) 1371 Comment
  RSA0104862  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3961 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 nr the intersection of sections 3,4,9,10) 1390 Comment
  UC55344  Eriastrum densifolium subsp. austromontanum J. H. Barber 1897-6-26 192 Los Angeles Aliso Canyon Comment
  RSA0104654  Eriastrum densifolium subsp. austromontanum Verne Grant, Alva Grant 1951-7-13 16083 Los Angeles Near Boy Scout Camp in San Antonio Canyon. 1524 Comment
  UC1294032  Eriastrum densifolium subsp. elongatum G. B. Van Schaack 1950-7-31 2981 Los Angeles Acton Comment
  UC23528  Eriastrum densifolium subsp. elongatum J. H. Barber 1897-6-22 167 Los Angeles San Fernando Valley Comment
  UC620597  Eriastrum sapphirinum Muriel F. Wheeler 1938-6-13 860 Los Angeles 1/2 mi ne San Dimas County Park; San Dimas Wash 350 Comment
  RSA0060814  Eriastrum sapphirinum subsp. brevibracteatum LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6962 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
  CAS-BOT-BC514963  Eriastrum sapphirinum subsp. dasyanthum F. Grinnell Jr. 1903-6-27 s.n. Los Angeles Arroyo Seco near Pasadena Comment
  RSA0121292  Eriastrum sapphirinum subsp. dasyanthum I. W. Clokey, B. C. Templeton 1929-05 4549 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  RSA0063029  Ericameria cooperi var. cooperi LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7011 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
  SJSU2498  Ericameria cooperi var. cooperi H. L. Buckalew 1962-4-19 Los Angeles Mohave Desert between Little Rock & Victorville Comment
  RSA549816  Ericameria cuneata var. cuneata Wandalee Thompson 1965-10-31 103 Los Angeles Mt. Williamson Tunnel, Mt. Williamson, Angeles Crest Highway, Angeles National Forest, San Gabriel Mountains. 2073 Comment
  LA200216  Ericameria ericoides J. Sauer; Linda Newby 1977-2-6 5928 Los Angeles Santa Monica Mountains, Zuma Beach, Zuma Beach 9 Comment
  SBBG112161  Ericameria linearifolia C. Bornstein, E. Collins 1997-4-14 Los Angeles USFS Rd N2, ca. 1.2 mi W of jct with Sawmill Mt Rd 1211 Comment
  CAS-BOT-BC298888  Ericameria nauseosa var. bernardina Fordyce Grinnell, Jr. 1916-9-20 s.n. Los Angeles Mt Waterman. San Gabriel Mt, near Pasadena 2590 Comment
  CAS-BOT-BC299019  Ericameria nauseosa var. hololeuca Lester Rowntree 1936-10-23 s.n. Los Angeles Mint Canyon Comment
  UCR117562  Ericameria palmeri A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23269 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  JEPS19468  Ericameria palmeri var. pachylepis Peter H. Raven 1957-9-21 11340 Los Angeles near hill at nw end U.C.L.A. Campus Comment
  POM357602  Erigeron Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  POM122910  Erigeron breweri var. covillei Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont. 1524 Comment
  RSA300650  Erigeron breweri var. jacinteus J. R. Shevock 1974-10-5 3873 Los Angeles at the summit of Mt. Baden-Powell on the southern side of the peak. San Gabriel Mountains. Angeles National Forest. 2864 Comment
  SBBG13793  Erigeron canadensis M. A. Piehl 1962-10-3 62523 Los Angeles near bridge along main rd, W side of island Comment
  UCR223394  Erigeron foliosus R. G. Swinney 2009-7-29 11404 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
  POM357476  Erigeron foliosus var. foliosus Fordyce Grinnell Jr. 1910-7-22 s.n. Los Angeles Switzer's Camp 915 Comment
  UCR281721  Erigeron foliosus var. franciscensis Neil Uelman 2017-6-23 s.n. Los Angeles Palos Verdes Peninsula, Malaga Canyon, along Malaga Canyon Trail 180 Comment
  UC697774  Eriodictyon crassifolium Kay H. Beach 1943-5-11 1743 Los Angeles on Woods Trail upper part Lewis Paul Canyon; San Gabriel Mts., Lewis Paul Canyon Comment
  CAS-BOT-BC189115  Eriodictyon crassifolium var. crassifolium Ernest C. Twisselmann 1964-6-10 9622 Los Angeles Fork at the head of Castaic Valley 1310 Comment
  CAS-BOT-BC189151  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Steve Boyd 1993-5-23 7221 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope 140-220 m SE of the saddle between ruby and Clearwater Canyons 963 Comment
  LA200559  Eriodictyon crassifolium var. nigrescens Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  UC1871047  Eriodictyon crassifolium var. nigrescens Tim Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3922 Los Angeles Liebre Mountain: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1487 Comment
  NY42966  Eriodictyon traskiae J. B. Walker 1995-4-8 1332 Los Angeles Santa Catalina Island, 1.5km S of Black Jack Mountain, along paved road 100 Comment
  RSA0068450  Eriodictyon trichocalyx var. trichocalyx R. G. Swinney 2010-9-9 13779 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
  UCSB5288  Eriodictyon trichocalyx var. trichocalyx Wedberg, H. 1958-7-3 Los Angeles Crystal Lake, San Gabriel Mtns. Comment
  UCR127660  Eriogonum angulosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25516 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  RSA708567  Eriogonum baileyi Scott D. White, Andrea Warniment 2005-9-9 11218 Los Angeles Tehachapi Mountains: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. 1006 Comment
  RSA766416  Eriogonum baileyi Joseph A. Ewan 1934-8-3 8369 Los Angeles San Gabriel Mts. Swartout Valley. Near county line 1982 Comment
  UCR127655  Eriogonum baileyi var. baileyi A. C. Sanders 2003-8-6 27124 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR256564  Eriogonum baileyi var. baileyi Anuja Parikh, Nathan Gale 2011-6-24 3501 Los Angeles Transverse Ranage; San Gabriel Mountains, south of Iron Mountain, 1.5 km east of Angeles Forest Hwy, 1.3 km south of Monte Cristo Creek 1390 Comment
  RSA601142  Eriogonum baileyi var. baileyi Louis C. Wheeler 1966-10-23 9054 Los Angeles San Gabriel Mountains. Kentucky Springs. Comment
  SEINET6329284  Eriogonum brachyanthum Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9634 Los Angeles Santa Clarita area: Santa Clara River wash, near Soledad Canyon Road bridge. Upstream and downstream ca 1.5 miles (Mint Canyon). T4N R15W S17, 18, 20-22 390 Comment
  RSA766379  Eriogonum cinereum C. Epling 1931-5-2 5988 Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA766381  Eriogonum cithariforme var. agninum Joseph A. Ewan 1932-6-14 7404 Los Angeles Above Sulphur Springs, east of Pacifico Mt. 1677 Comment
  CAS-BOT-BC242770  Eriogonum davidsonii A. J. McClatchie 1893-8-16 s.n. Los Angeles San Antonio Mt Comment
  SBBG126945  Eriogonum davidsonii A. Parikh, N. Gale 2011-6-17 3481 Los Angeles Aliso Cyn, just W of Angeles Forest Hwy, 0.5 km S of Aliso Cyn Rd; San Gabriel Mtns 1285 Comment
  UCR280745  Eriogonum davidsonii R. G. Swinney 2014-4-23 16164 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA393486  Eriogonum elongatum H. L. Bauer 1932-11-1 s.n. Los Angeles Topango Canon. Comment
  UC519962  Eriogonum elongatum var. elongatum Louis C. Wheeler 1932-10-7 1425 Los Angeles Eagle Rock 228 Comment
  CAS-BOT-BC249767  Eriogonum elongatum var. elongatum Peter H. Raven 1957-9-21 11335 Los Angeles At northwest end of campus of University of California at Los Angeles Comment
  RSA0098362  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2011-11-1 15961 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. 634 Comment
  RSA523834A  Eriogonum fasciculatum subsp. polifolium Tim S. Ross 1991-8-14 5793 Los Angeles San Gabriel Mountains: Pacifico Mountain Road, 3200 feet NW of Alder Saddle. 1768 Comment
  RSA766098  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1931-3-21 4071 Los Angeles Summit, Saddle Peak. Santa Monica Mts. 823 Comment
  SBBG62032  Eriogonum fasciculatum var. foliolosum M. N. Ackley -May-1922 869 Los Angeles Burbank Hills 274 Comment
  UC56804  Eriogonum fasciculatum var. polifolium J. B. Davy 1896-10-18 2880 Los Angeles Pomona Comment
  UC161731  Eriogonum giganteum F. M. Reed 1909-7-2 2821 Los Angeles Pebbly Beach Road Catalina Island 15 Comment
  UC6298  Eriogonum giganteum var. formosum C. A. Purpus 1899-5 Los Angeles San Clemente Island Comment
  RSA766141  Eriogonum gracile Raymond J. Dobbs 1922-8-3 s.n. Los Angeles San Gabriel Mountains. Lower arroyo near Teddy 396 Comment
  UCR210206  Eriogonum heermannii R. G. Swinney 2008-8-14 9438 Los Angeles San Gabriel Mtns., confluence of Big Rock Creek and Fenner Canyon 1640 Comment
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Oct 23 2020
  JEPS56812  Eriogonum kennedyi var. alpigenum Joseph Andorfer Ewan and Nesta Ewan 1936-8-13 10038 Los Angeles North Baldy San Gabriel Mts., North Baldy 2834 Comment
  CAS-BOT-BC268777  Eriogonum mohavense Katharine Brandegee No date on label s.n. Los Angeles Lancaster Comment
  RSA399610  Eriogonum nudum var. pauciflorum Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  SD197881  Eriogonum pusillum R. G. Swinney 2005-8-11 8442 Los Angeles Big Rock Creek at Paradise Springs. 1438 Comment
  CAS-BOT-BC267603  Eriogonum saxatile Le Roy Abrams 1901-7-1 1921 Los Angeles Mt. San Antonio Comment
  POM243685  Eriogonum saxatile F. R. Fosberg 1931-8-11 s.n. Los Angeles San Gabriel Mountains: S slope of Mt. Hawkins near Islip-Hawkins divide 2300 Comment
  UCR210025  Eriogonum saxatile R. G. Swinney 2008-7-25 9313 Los Angeles San Gabriel Mtns., Twin Peaks, west peak 2316 Comment
  CAS-BOT-BC263600  Eriogonum trichopes A. D. E. Elmer 1902-6-1 3642 Los Angeles Palmdale Comment
  RSA761705  Eriogonum umbellatum R. G. Swinney 2008-10-10 9570 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA65986  Eriogonum umbellatum var. minus F. W. Peirson 1920-9-12 21 Los Angeles Summit of 'Baldy' (Mt. San Antonio) 3049 Comment
  UCD101452  Eriogonum umbellatum var. minus Louis C. Wheeler 1970-7-26 s.n. Los Angeles San Gabriel Mountains, summit of Mt. Hawkins. 2697 Comment
  RSA549493  Eriogonum umbellatum var. munzii Tim S. Ross, S. D. Boyd 1990-6-18 3474 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 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
  UCR210090  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-8-13 9401 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  CAS-BOT-BC297913  Eriophyllum confertiflorum Louis C. Wheeler 1931-11-20 366 Los Angeles 2 miles N Claremont 411 Comment
  RSA0088256  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12971 Los Angeles 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
  SD31209  Eriophyllum confertiflorum Edith A. Purer 1931-4-28 Los Angeles Palos Verdes Hills Comment
  JEPS34715  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1919-5-10 409 Los Angeles Arraster Canyon San Gabriel Mts., Arraster Canyon 838 Comment
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Aug 21 2014
  LA200194  Eriophyllum confertiflorum var. confertiflorum Jonathan Sauer; 1969-6-4 4573 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  RSA165695  Eriophyllum confertiflorum var. confertiflorum Brian C. Miller 1963-6-15 s.n. Los Angeles Singing Springs, Mill Creek Canyon, San Gabriel Mountains. 1220 Comment
  RSA517861  Eriophyllum pringlei Steve Boyd 1986-3-30 1517 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  SJSU2509  Eriophyllum pringlei H. L. Buckalew 1962-4-18 Los Angeles Mohave Desert between Vincent & Little Rock Comment
  RSA252975  Eriophyllum wallacei R. F. Thorne, C. W. Tiforth 1973-4-20 43100 Los Angeles San Gabriel Mountains. 1143 Comment
  RSA506809  Eriophyllum wallacei L. C. Wheeler 1967-5-12 9455 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCD132246  Eriophyllum wallacei Geoffrey Levin 1975-5-17 505 Los Angeles 1.5 mi. east on State 138 from junction with State 18 near Pinyon Hills. Drainage Area: Mohave River. 1158 Comment
  UCR205848  Eriophyllum wallacei R. G. Swinney 2008-5-8 8818 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA0114179  Erodium botrys Steven A. Junak 2000-6-30 SCa- 1354 Los Angeles Santa Catalina Island. Above Airport Road, across from Wrigley Reservoir, at turnoff for East Summit Vista area. 427 Comment
  UCD103069  Erodium botrys Daryl Koutnik 1978-3-27 168 Los Angeles John's Pasture in Live Oak Canyon drainage at north end of Mountain Ave, Claremont. 579 Comment
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Aug 9 2017
  UCR99464  Erodium brachycarpum L. C. Wheeler 1948-4-26 6636 Los Angeles Altadena. Canyon Crest Drive and Lincoln Avenue. 402 Comment
  RSA391786  Erodium cicutarium M. B. Dunkle 1929-3-17 2063 Los Angeles Cape Canyon, Catalina Island Comment
  SBBG131983  Erodium cicutarium S. A. Junak 1990-11-9 SCI 139 Los Angeles immediately below field station, at Camera Pad "Stone" 448 Comment
  UCR280676  Erodium cicutarium R. G. Swinney 2014-5-21 16636 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  UCR48938  Erodium moschatum A. C. Sanders 1987-7-22 7153 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  SFV21073  Erodium moschatum L. Gross 2001-3-23 343 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. 427 Comment
  HSC6765  Erysimum capitatum var. capitatum C. S. Apperson 1967-6-20 Los Angeles 2 mi. E of Sierra Pelona Lookout on Big Oak Tree Trail Comment
  RSA135175  Erysimum capitatum var. capitatum P. H. Raven 1960-5-15 15371 Los Angeles Piuma Road 5.1 miles north-west of Rambla Pacifica [Rd]. 213 Comment
  SBBG14999  Erysimum capitatum var. capitatum E. C. Twisselmann 1962-4-10 6829 Los Angeles Rosamond region, 1.3 mi E of Hwy 6 on rd at the end of Ave A 624 Comment
  SBBG91990  Erysimum capitatum var. capitatum R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  SBBG92024  Erysimum capitatum var. capitatum R. Hoffmann 1931-5-4 Los Angeles 5 mi N of Lancaster Comment
  UCD115015  Erysimum capitatum var. capitatum Kenneth A. Wilson; D. E. Bianchi 1961-2-2 829 Los Angeles San Gabriel Mountains. Little Tijunga Canyon, 2 miles north of Route 118. Comment
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Oct 29 2014
  CAS-BOT-BC403170  Eschscholzia californica John Thomas Howell 1930-5-12 4878 Los Angeles 1 mile north of Acton Comment
  CATA284  Eschscholzia californica Mark L. Hoefs 1973-5-21 298 Los Angeles Santa Catalina Island: Canyon above Renton Mine Road 304 Comment
  RSA433647  Eschscholzia californica M. B. Dunkle 1932-5-28 2958 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA433659  Eschscholzia californica subsp. californica M. Bisbee 1917-5-26 s.n. Los Angeles Eagle Rock. Comment
  CAS-BOT-BC83102  Eschscholzia minutiflora John Thomas Howell 1930-5-12 4885 Los Angeles Mojave Desert. 3 miles south of Palmdale. Comment
  UCR263063  Eschscholzia minutiflora Mitch Provance 2008-4-14 10138 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  CAS-BOT-BC92214  Eschscholzia ramosa Carl B. Wolf 1932-5-9 3448 Los Angeles Santa Catalina Island. Pebbly Beach. 7 Comment
  RSA251403  Eschscholzia ramosa Robert F. Thorne 1966-4-15 36010 Los Angeles San Clemente Island, rocky sea-bluff 1/2 mile SSE of Eel Point, SW side of island 3 Comment
  SD27740  Eschscholzia ramosa Carl B. Wolf 1932-5-9 3448 Los Angeles Santa Catalina Island; Pebbly Beach. 7 Comment
  CHSC98721  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges; Santa Susana Mountains; Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road, climbs to main crest. Next to old foundation, off of old motorway. 610 Comment
  UCR19577  Eucrypta chrysanthemifolia Martha Hilend 1928-4-18 203 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Los Angeles Comment
  CATA1724  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs, Steven A. Junak 2000-4-14 3071 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor 469 Comment
  SBBG29768  Eucrypta chrysanthemifolia var. chrysanthemifolia E. Lloyd 1933-5-3 Los Angeles Temescal Cyn Comment
  RSA646283  Eupatorium adenophorum Orlando Mistretta 1992-7-14 714 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UCR277052  Euphorbia R. G. Swinney 2011-9-22 15671 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  UCR265523  Euphorbia albomarginata Dan S. Cooper 2015-3-5 2015- 41 Los Angeles Los Angeles Basin; Coastal Plain, Torrance, SW corner of Crenshaw Blvd. and West 208th St. 22 Comment
  RSA674605  Euphorbia maculata Scott D. White 2000-6-24 8095 Los Angeles Puente Hills: City of Rowland Heights, Rancho Rincon de la Brea near Bill Blevins Park. 213 Comment
  SBBG31145  Euphorbia peplus R. F. Thorne 1966-5-31 36426 Los Angeles Avalon 7 Comment
  UCR124362  Euphorbia peplus B. C. Templeton 1929-12-10 1445 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 250 Comment
  RSA702458  Euphorbia polycarpa Gary D. Wallace 1978-2-12 1580 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  SD215503  Euphorbia rigida Louis C. Wheeler 1974-6-4 Los Angeles University of Southern California, Kerckhoff Estate, 734 West Adams Blvd., Los Angeles. Comment
  RSA433506B  Euphorbia spathulata Blanche Trask 1901-03 1931 Los Angeles Avalon, Catalina Island. Comment
  CDA19095  Euphorbia terracina S. Williams 2001-3-22 PDR 053173 Los Angeles Southern California; Solstice Canyon Trail, Santa Monica Natural Recreation Area. 0 Comment
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May 30 2014
  RSA616067  Euryops pectinatus Scott D. White 1997-12-31 6039 Los Angeles Malibu Coast: Mouth of Trancas Canyon, north of Pacific Coast Highway. Roadside bank just west of Highway 1 bridge over Trancas Creek. 8 Comment
  CAS-BOT-BC312240  Euthamia occidentalis F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River boogm, near Los Angeles Comment
  RSA66311  Fallopia convolvulus F. W. Peirson 1918-5-26 1800 Los Angeles Hennigers Flat, Mt. Wilson Toll Road 854 Comment
  SBBG31431  Festuca arundinacea R. F. Thorne 1967-5-18 36861 Los Angeles Middle Bullrush Cyn 243 Comment
  SBBG117114  Festuca bromoides S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1520 Los Angeles N of main rd between Airport and Little Harbor 128 Comment
  SEINET4554229 Image available Festuca microstachys R. G. Swinney 2005-5-21 8250 Los Angeles San Gabriel Mountains: west of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR127065  Festuca microstachys Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2925 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR270822  Festuca microstachys R. G. Swinney 2011-6-14 15139 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  LA105073  Festuca perennis Barry A. Prigge; 1988-7-3 8195 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
  SD30966  Festuca temulenta Edith A. Purer 1931-3-18 983 Los Angeles Palos Verdes Hills Comment
  CAS-BOT-BC474726  Ficus microcarpa R. E. Riefner, Jr. 2014-7-13 14 -245 Los Angeles City of San Pedro, Port of Los Angeles, near Los Angeles Maritime Museum, Sampson Way at W. 6th St. 1 Comment
  RSA0088626  Ficus microcarpa R. E. Riefner Jr. 2015-7-19 15 -200 Los Angeles City of Carson, E side of 110-Freeway along 190th St. 11 Comment
  UCR124246  Filago arizonica L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  LA99308  Filago californica R. L. Armacost; 1968-5-7 2373 Los Angeles Santa Monica Mountains, Tapia Park, above park 152 Comment
  RSA746798  Filago californica R. G. Swinney 2008-3-26 8572 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UC1922246  Foeniculum vulgare Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1346 Los Angeles Transverse Ranges; Verdugo Mountains region; La Tuna Canyon, along La Tuna Canyon Road. 427 Comment
  CHSC98406  Forestiera pubescens LeRoy Gross 2001-3-25 360 a Los Angeles Los Angeles Basin: Verdugo Mountains Region: Off Verdugo Crestline Drive, dirt road that is north of the 210 freeway in the northwest section of the Verdugo Mountains, just east of Sunland exit off ramp, you can get on this fire road from the west at Topley Lane and Newhome Ave off of Foothill Blvd. in the city of Sunland. North northeast facing slope just below fire road next to an aluminum culvert, appears to be spreading as is growing in thick areas of the chaparrral 20-30 feet below and 50-75 feet across this small draw and into a NW facing slope out of this draw. 548 Comment
  SEINET11978025  Frankenia salina J. F. Bright, Wyman, C. 1931-1 5720 Los Angeles In and around Hollywood Comment
  SEINET11978027  Frankenia salina J. F. Bright, Wyman, C. 1931-1 5720 Los Angeles In and around Hollywood Comment
  CAS-BOT-BC217366  Frasera neglecta S. B. Parish 1893-7-1 s.n. Los Angeles Rock Creek, San Bernardino Range Comment
  RSA795685  Fraxinus W. R. Ferren, Hamilton 1993-9-1 EPA- 294 Los Angeles Santa Monica Mountains. Tapia County Park. In campground at confluence of Malibu Creek and an intermittent creek. Comment
  RSA350147  Fraxinus dipetala Wesley O. Griesel 1986-3-6 s.n. Los Angeles Placerita canyon. 518 Comment
  SEINET6754439 Image available Fraxinus velutina var. coriacea Leila M. Shultz 1981-1 4238 Los Angeles Cultivated native plants, Rancho Santa ana Botanic Garden 305 Comment
  UC1122061  Fremontodendron californicum subsp. californicum A. D. Gifford 1935-4-2 546 Los Angeles 5 1/2 mi ne of Redrock Mountain (Angeles National Forest, Sawmill Mountain, Quadrangle Tejon); Angeles National Forest, Sawmill Mountain 1493 Comment
  RSA0119762  Funastrum cynanchoides var. hartwegii R. G. Swinney 2014-5-27 16648 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  UCR162365  Gaillardia pulchella Anuja Parikh, Nathan Gale 2004-6-15 2041 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  CAS-BOT-BC304323  Galinsoga parviflora F. W. Peirson 1931-4-11 9375 Los Angeles 1077 New York Ave, Altadena Comment
  RSA0081702  Galium andrewsii R. G. Swinney 2010-5-19 12803 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA702032  Galium andrewsii Steve D. Boyd, Amber Maurice 2004-5-18 11311 Los Angeles Atmore Meadows area. Comment
  JEPS52808  Galium andrewsii subsp. intermedium Lauramay T. Dempster and G. L. Stebbins 1964-1-27 3983 Los Angeles Hwy 99 4.1 mi s junction with Hwy 38 (e side of ridge, n-facing slope, se of Gorman) Comment
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Jul 16 2008
  UC1587575  Galium andrewsii subsp. intermedium Tim Ross 1991-9-2 5906 Los Angeles near Mulholland Highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass USGS 7.5' quadrangle 472 Comment
  UCR203184  Galium angustifolium R. G. Swinney 2005-5-21 8262 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR259238  Galium angustifolium R. G. Swinney 2010-9-9 13749 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
  RSA597570  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3762 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  SD253546  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-7-7 15430 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Canyon (Chilao Flat 7.5'Q) 1220 Comment
  UCR178787  Galium angustifolium subsp. angustifolium R. G. Swinney 1989-5-17 s.n. Los Angeles San Gabriel Mtns, SW border of Glendora Wilderness Park, along fire road at Bluebird Hill 390 Comment
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Mar 10 2013
  JEPS56059  Galium angustifolium subsp. gabrielense Clare B. Hardham 1966-7-29 14274 Los Angeles Sunset Mtn<?> Rd San Gabriel Mts., Evey <?> Canyon (head of canyon) 1615 Comment
  JEPS9467  Galium angustifolium subsp. gabrielense I. M. Johnston 1917-6-20 1262 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  UCR271079  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-6-14 15131 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  PASA41  Galium aparine Sally Ellis 1939-4-7 Los Angeles Puddingstone Dam Comment
  POM367743  Galium aparine Sam Tyson 1942-6-18 s.n. Los Angeles San Antonio Canyon 1524 Comment
  POM19217  Galium aparine Philip A. Munz 1923-4-9 6442 Los Angeles San Clemente Island. Comment
  SBBG128202  Galium catalinense M. G. Simpson, A. Russell, J. Dunn 2000-7-20 2208 Los Angeles S side of Eagle Cyn 351 Comment
  RSA535744  Galium catalinense subsp. acrispum Tim S. Ross 1991-5-23 5493 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment 81 Comment
  UCR238649  Galium grande Anuja Parikh, Nathan Gale 2010-6-28 3366 Los Angeles Transverse Range; San Gabriel Mtns., ridge between Fish and Sawpit canyons, 0.4 km SE of White Saddle, 1.1 km NW of Mount Bliss, under powerlines 985 Comment
  IRVC26636  Galium nuttallii subsp. insulare Reid Moran 1941-3-11 700 Los Angeles Santa Catalina Island; ridge N of Middle Ranch Channel Islands 250 Comment
  RSA190911  Galium nuttallii subsp. insulare Robert F. Thorne 1967-5-18 36868 Los Angeles Santa Catalina Island. Salta Verde, above Wild Boar Gully (Cercocarpus Arroyo). 213 Comment
  SD69652  Galium nuttallii subsp. insulare Robert F. Thorne 1967-5-18 36868 Los Angeles Santa Catalina Island; dry slope, Salta Verde, above Wild Boar Gully (Cercocarpus Arroyo) 700 Comment
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Apr 4 2012
  RSA522961  Galium nuttallii subsp. nuttallii Tim S. Ross 1991-2-23 4095 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  RSA0105760  Galium porrigens R. G. Swinney 2011-6-7 15033 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road. 1585 Comment
  UCR277095  Galium porrigens R. G. Swinney 2010-10-5 13995 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA587278  Galium porrigens var. porrigens Tim S. Ross, Steve D. Boyd 1990-5-17 2576 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA0021847  Galium trifidum subsp. columbianum Louis C. Wheeler 1933-10-20 2182 Los Angeles San Gabriel River. 70 Comment
  POM292881  Galvezia speciosa Lyman D. Benson, Joseph Lanjouw, Robert Benson 1953-5-2 15110 Los Angeles Catalina Island. White's Landing 15 Comment
  RSA534234  Galvezia speciosa M. B. Dunkle 1939-4-4 7249 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  SDSU10623  Galvezia speciosa R. M. Beauchamp 1967-1-27 127 Los Angeles Behind Wilson Cover Pier. Comment
  RSA0082567  Gamochaeta pensylvanica R. G. Swinney 2010-4-28 12433 Los Angeles 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
  RSA488018  Gamochaeta ustulata Mark Hoefs 1974-4-30 439 Los Angeles Santa Catalina Island: Hermit's Gulch by Trail 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
  UC1122716  Garrya veatchii F. H. Raymond 1930-1-30 50 Los Angeles Head of Corral Canyon; Calabasas Quad. 670 Comment
  RSA573738  Gayophytum heterozygum Tim S. Ross 1992-7-17 6719 Los Angeles San Gabriel Mtns: Summit of Condor Peak. 1645 Comment
  POM355352  Gayophytum oligospermum Fordyce Grinnell Jr. 1910-6-4 s.n. Los Angeles San Gabriel Mountains Comment
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Feb 3 2011
  CDA4080  Genista monosperma Steve Boyd 1990-2-3 3828 Los Angeles San Gabriel Mtns.; San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon. 0 Comment
  RSA0034454  Geranium californicum Bonnie C. Templeton 1932-7-20 5018 Los Angeles Big Pines Park, San Gabriel Mts. 2088 Comment
  LA211147  Geranium dissectum Arthur C. Gibson; 2011-6-8 5353 Los Angeles SANTA MONICA MOUNTAINS, Upper Stunt Trail, Stunt Rd., Calabasas. Comment
  UCR177252  Geranium rotundifolium LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1065 Los Angeles Verdugo Mountains, North side of the mountains, south of Hostetter Motorway just off La Tuna Canyon Road, south of the 210 Fwy 564 Comment
  RSA0091739  Gilia R. G. Swinney 2011-5-12 14676 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
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Dec 7 2018
  UCR259072  Gilia achilleifolia R. G. Swinney 2010-6-23 13325 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UCD117629  Gilia achilleifolia subsp. achilleifolia Daryl Koutnik; Bruce Holguin 1978-4-1 207 Los Angeles Sierra Pelona Valley, west side of Anthony Road and north of Sierra Highway. 890 Comment
  RSA469712  Gilia aliquanta subsp. aliquanta B. C. Templeton, I. W. Clokey 1930-4-8 1047 Los Angeles South of Saugus. 500 Comment
  RSA763649  Gilia angelensis Doris Bowers 1957-3-23 826 Los Angeles Rocky Point, LaVerne 335 Comment
  UC125971  Gilia angelensis C. F. Baker 1904-4-1 4112 Los Angeles Claremont Comment
  RSA187849  Gilia angelensis R. F. Thorne 1966-4-6 35915 Los Angeles Santa Catalina Island. Old quarry W of Empire Landing. 91 Comment
  RSA470149A  Gilia australis Anstruther Davidson s.n. Los Angeles Acton. Comment
  UC2026429  Gilia austrooccidentalis Louis C. Wheeler 1968-5-30 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, depression on bench NE of Campground. Comment
  PASA778  Gilia capitata J. E. Giguette May, '26 Los Angeles Flintridge Comment
  RSA660776  Gilia capitata subsp. abrotanifolia Laura Moore, Ron Burchet, LeRoy Gross, Debby Zygielbaum 2000-6-8 41 Los Angeles Verdugo Mountains; La Tuna Canyon Park. Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 546 Comment
  UC1922362  Gilia capitata subsp. abrotanifolia Valerie Soza, Susan Caplow 2003-4-11 1627 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park vicinity, head of Brand Canyon, alongside Brand Park Mtwy, north side of powerline tower. 640 Comment
  UCD117689  Gilia capitata subsp. abrotanifolia Robert F. Thorne; M. Z. Thorne 1967-6-25 37105 Los Angeles San Gabriel Mountains, Evey Canyon. 883 Comment
  RSA470248  Gilia capitata subsp. abrotanifolia Christopher Davidson 1973-3-26 1737 Los Angeles Escondido Canyon Rd, ca. 1 mi NE of jct with Agua Dulce Rd. 762 Comment
  RSA624988  Gilia inconspicua L. C. Wheeler 1963-5-5 8252 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  UCR194159  Gilia latiflora A. C. Sanders 2008-4-13 34875 Los Angeles Western Mojave Desert, Antelope Valley, Lancaster Rd. near California Poppy Reserve, c. 0.8 mi. west of Munz Ranch Rd., 9.8 mi. (air) NW of Quartz Hill 806 Comment
  RSA0062844  Gilia latiflora subsp. latiflora LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6767 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  CAS-BOT-BC225504  Gilia nevinii E. R. Blakley 1962-6-9 5175 Los Angeles Triangulation Thirst, San Clemente Island 598 Comment
  RSA526147  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-6 4141 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  UCSB28037  Gilia ochroleuca Blakley, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  SBBG64633  Gilia ochroleuca subsp. bizonata R. Hoffmann 1930-6-6 Los Angeles Liebre Station, Ridge Route [historic site] Comment
  SD114220  Gilia ochroleuca subsp. bizonata Darley F. Howe 1947-5-6 1564 Los Angeles North face of San Gabriel Mountains. 1676 Comment
  RSA0016257  Gilia ochroleuca subsp. bizonata E. C. Twisselmann 1959-6-2 5324 Los Angeles Summit of Liebre Mountain 1677 Comment
  RSA0017212  Gilia ochroleuca subsp. bizonata LeRoy Gross 2005-5-3 2242 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA0016177  Gilia ochroleuca subsp. ochroleuca R. F. Thorne, Gary D. Wallace 1973-4-25 43365 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  UC303724  Gilia ochroleuca subsp. vivida unknown Jun 15 1906-Jun 18 1906 Los Angeles summit Mt. Wilson San Gabriel Mts., summit Mt. Wilson (San Gabriel Mts., Southern California) 1828 Comment
  UCR209595  Gilia ochroleuca subsp. vivida R. G. Swinney 2008-7-3 9153 B Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UC284822  Gilia ochroleuca subsp. vivida P. A. Munz 1923-5-26 6854 Los Angeles Vincent Gulch San Gabriel Mts., Vincent Gulch (Southern California) 2042 Comment
  UCD15431  Gilia scopulorum S. Mason,; H. Mason, and C. Katzfey 1995-4-23 54 Los Angeles California, Los Angeles Co.; in the northern foothills of Transverse Range/Mojave Desert foothills near Little Rock; along Mt. Emma Road, 0.8 miles above Ft. Tejon Rd.; along the right side of the road in a road cut; 914 Comment
  RSA0004813  Gilia sherman-hoytiae P. A. Munz, T. Craig 1933-5-13 12925 Los Angeles 10 miles south of Muroc. Comment
  RSA517846  Gilia sinuata Steve Boyd 1986-3-30 1495 -a Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA638812  Githopsis diffusa subsp. diffusa Valerie L. Soza, Laura Moore 1999-6-30 590 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  CAS-BOT-BC303662  Glebionis coronaria Joseph Andorfer Ewan 1932-6-29 7547 Los Angeles 3 miles W of Hawthorne Comment
  NY43119  Gnaphalium bicolor J. B. Walker 1995-6-6 1435 Los Angeles Santa Catalina Island, Lower Cape Canyon, hillside above buffalo corrals 280 Comment
  UCR223288  Gnaphalium canescens subsp. beneolens R. G. Swinney 2009-7-23 11386 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
  RSA0115831  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2011-3-29 14257 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
  UCR142078  Gnaphalium leucocephalum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26194 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR213411  Gnaphalium luteoalbum A. C. Sanders, Dan S. Cooper 2010-3-12 37331 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR219473  Gnaphalium luteoalbum R. G. Swinney 2009-3-31 10220 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 0.7-1.2 mi. north and NE of Foothill Blvd, Azusa/Duarte 213 Comment
  CDA6036  Gnaphalium luteoalbum Agricultural Commissioner 1950-12-14 197 Los Angeles A. E. Burley Ranch, 90th Street East & Avenue H, Roosevelt Hill. 0 Comment
  UCR205606  Gnaphalium palustre R. G. Swinney 2008-5-12 8846 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  POM4657  Gnaphalium palustre L. R. Abrams 1901-4-2 1241 Los Angeles Inglewood. Comment
  RSA645574  Goodmania luteola A. C. Sanders, E. J. Lott 1993-5-6 13947 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Highway at Ave ''G'' to 1/10 mi. NW of intersection. [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 706 Comment
  SBBG103939  Grindelia hirsutula M. A. Lane 1986-9-4 3094 Los Angeles E of intersection of St Hwy 138 with St Hwy 14 at "T" intersection of Ave D and Sierra Hwy, N off Lancaster 609 Comment
  POM359226  Gutierrezia californica F. R. Fosberg 1931-7-11 7197 Los Angeles Ridge Route near Tumble Inn,, Western Sierra Madre Mts. 1100 Comment
  RSA591212  Hainardia cylindrica Steven A. Junak 1985-5-14 SC 1 -71 Los Angeles San Clemente Island, central part of island, along main road, roughly midway between intersection of road to Lemon Tank and intersection with road to Peak 1603 and Field Station at Cemera Pad Stone 381 Comment
  RSA704705  Hainardia cylindrica Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2086 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  UCR104152  Haplopappus menziesii Scott D. White, Pam DeVries 1997-11-20 6026 Los Angeles San Gabriel Mtns., Big Tujunga Wash, west of Sunland, SW of I-210 freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  RSA187720  Harpagonella palmeri R. F. Thorne 1966-4-5 35873 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  RSA590422  Harpagonella palmeri T. S. Ross 1993-4-21 6843 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'' 397 Comment
  RSA678688  Hazardia cana Mark Elvin, Orlando Mistretta 1996-3-24 138 Los Angeles San Clemente Island. Eagle Canyon. 244 Comment
  RSA719496  Hazardia squarrosa Gary Kovnat, LeRoy Gross 2003-6-28 48 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SD253387  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-11-3 15996 Los Angeles San Gabriel Mts.: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre (Mt. Wilton 7.5'Q) 548 Comment
  SFV20796  Hazardia squarrosa var. grindelioides L. Gross, V. Soza, N. Gilbert 2000-10-18 281 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. A short walking distance from road in a northwest facing draw, east of saddle near above coordinates. 610 Comment
  CATA3446  Hedera helix Benjamin J. Dion, Tobias Nickel 2017-6-22 028 Los Angeles Santa Catalina Island: Interior; Haypress watershed in drainage below Haypress Reservoir and southeast of Hidden Lakes Reservoir 409 Comment
  SEINET10907872  Hedera helix David B. Dunn Dunn 12704 Los Angeles Highland Park, Los Angeles. Comment
  RSA0041743  Helenium bigelovii Timothy S. Ross 1990-8-17 3175 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  POM199698  Helianthemum scoparium var. vulgare I. W. Clokey, B. C. Templeton, C. B. Clokey 1929-05 4490 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  UC897420  Helianthus annuus Marcus E. Jones, A. M. 1882-2-27 3029 Los Angeles Pasadena Comment
  POM4952  Helianthus annuus subsp. lenticularis O. W. Robinson 1916-3-25 25 Los Angeles Claremont, wash near Gymnasium Comment
  POM359980  Helianthus annuus var. lenticularis Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  UC1953171  Helianthus californicus Mark A. Elvin with J. M. Porter, Anuja Parikh 2003-11-5 3099 Los Angeles Liebre Mountains: Agua Dulce Canyon Comment
  CAS-BOT-BC305697  Helianthus gracilentus 1902-6-25 1037 Los Angeles San Gabriel Canon [Canyon] Comment
  UCR51913  Heliotropium amplexicaule Adelina Munoz 1988-5-14 121 Los Angeles San Gabriel Mtns, San Dimas: Sycamore Canyon behind San Dimas Canyon Park 305 Comment
  RSA596431  Hemizonia fasciculata Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8871 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  UCR138529  Hemizonia fasciculata L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns., east side of Little Tujunga Canyon 549 Comment
  RSA210977  Hemizonia fasciculata C. W. Tilforth 1969-7-1 206 Los Angeles Mouth of small canyon 1/2 mile E of Colima Ave & Punta del Este St intersection N of Whittier. Comment
  RSA659448  Hemizonia fasciculata Monica Acosta 1998-5-26 31 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona) 226 Comment
  UCR11542  Hemizonia fasciculata subsp. ramosissima Harlan Lewis 1940-8-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns. Foothills, Los Angeles, Westwood; UCLA campus 183 Comment
  CATA412  Hesperocyparis macrocarpa Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 549 Los Angeles Santa Catalina Island: Mt. Black Jack Campgrounds 451 Comment
  LA200889  Hesperoyucca whipplei Jonathan Sauer; J. Habeck, D. Bradbury 1969-5-21 4546 Los Angeles Comment
  UCD169114  Hesperoyucca whipplei R. G. Swinney 2009-6-17 11192 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR260622  Hesperoyucca whipplei R. G. Swinney 2010-4-23 12370 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UC2027705  Heterocodon rariflorum Anuja Parikh with Nathan Gale 2010-6-19 3349 Los Angeles TR, SnGB, Upper Big Tujunga Canyon, 1.0 km W of Shortcut Station, 0.7 km N of State Highway 2 (Angeles Crest Highway). Comment
  CAS-BOT-BC143701  Heteromeles arbutifolia Herman Knoche 1919-7-4 Series A, No. 1003 Los Angeles San Clemente Island, Camp Mosquito Comment
  POM1843  Heteromeles arbutifolia D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  UC114252  Heteromeles arbutifolia T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  UCR172733  Heteromeles arbutifolia Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  UCR256839  Heteromeles arbutifolia R. G. Swinney 2010-8-16 13560 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR108321  Heterotheca grandiflora L. C. Wheeler 1970-10-10 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, El Monte: Rio Hondo at Valley Boulevard 79 Comment
  RSA0074425  Heterotheca grandiflora Roxanne Smith 1991-5-7 20 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/8 mile north of intersection of Clear Creek Canyon Drive & Steep Canyon Road. Comment
  JEPS8608  Heuchera elegans Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4200 Los Angeles along Forest Service road following crest of Mendenhall Ridge 9 mi e of its start at paved road crossing western crest of this ridge between Little Tujunga and Pacoima Canyons; w end San Gabriel Mountains, Angeles National Forest 1493 Comment
  RSA95180  Hieracium argutum F. W. Peirson 1918-8-6 258 Los Angeles Trail to Sierra Madre; San Gabriel Mts. 823 Comment
  LA200305  Hirschfeldia incana Norman A. Cole; May 1964 317 C2 Los Angeles SANTA MONICA MOUNTAINS, 1.3 mi from Pacific Coast Hwy along Rambla Pacifico. 152 Comment
  CLARK-A1528-2783  Hoffmannseggia densiflora John C. Roos 1947-5-11 3607 Los Angeles Monterey Park Comment
  POM263069  Hoffmannseggia glauca J. C. Roos 1940-8-31 241 Los Angeles Monterey Park. Comment
  CAS-BOT-BC149941  Holodiscus discolor var. discolor Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10045 Los Angeles Along crest of shoulder of Throop Peak, San Gabriel Mts. 2743 Comment
  RSA617228  Holodiscus microphyllus LeRoy Gross 1998-8-22 46 Los Angeles Top of Mt. Baden-Powell. 2866 Comment
  RSA0093466  Hordeum brachyantherum subsp. brachyantherum Richard G. Swinney 2011-6-7 15058 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy.2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  SD252247  Hordeum depressum Steven A. Junak 1999-5-20 Sca 957 Los Angeles Santa Catalina Island. Along Cottonwood-Black Jack Road. 305 Comment
  RSA535312  Hordeum intercedens Timothy S. Ross 1991-5-20 5371 Los Angeles San Clemente Island, west Side. Terrace flats between Box and Horse Canyons. 486 Comment
  RSA589313  Hordeum intercedens Timothy S. Ross 1995-5-21 8608 Los Angeles San Clemente Island, terrace on W side of Chenetti Canyon and just N of Snail Canyon, 4300 feet SSE of Rest triangulation point (1336-feet) and 3540 feet NNW of slope tri. pt. (781-feet). 271 Comment
  CATA1054  Hordeum murinum Mark L. Hoefs 1995-5-10 1987 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  RSA0117863  Hordeum murinum Robert L. Benson 1960-5-19 49 Los Angeles Blanchard Park. [Pomona College.] Claremont. 365 Comment
  UCR2468  Hordeum murinum George B. Grant 1904-1 594 Los Angeles San Gabriel Valley, City of Pasadena Comment
  LA14713  Hordeum murinum subsp. glaucum Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCD86246  Hordeum murinum subsp. leporinum G. T. Nordstrom 1935-4-6 431 Los Angeles 1.5 miles W of Gorman. 1249 Comment
  CATA459  Hordeum vulgare Sara L. Crockett, Steve Junak, Mark Hoefs 1997-3-27 602 Los Angeles Santa Catalina Island: End of Skull Canyon Road, adjacent to ditch ca. 20 m NE of road 231 Comment
  POM307812  Horkelia cuneata subsp. puberula Henry J. Ramsey 1938-3-5 2748 Los Angeles North Craig Ave., Altadena Comment
  RSA0025171  Hulsea heterochroma Jane Tirrell 2012-6-27 LS 0083 Los Angeles Along Pacific Crest Trail 30 yd. east of junction with S. Mt. Hawkins Trail, approximately 0.4 miles west of Mt. Hawkins. 2561 Comment
  RSA94159  Hulsea heterochroma F. W. Peirson 1919-7-3 514 Los Angeles San Gabriel Mts: on Lukens Peak trail. 1220 Comment
  CAS-BOT-BC312602  Hulsea vestita subsp. gabrielensis Timothy S. Ross; Steve Boyd 1990-5-23 2608 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon 1798 Comment
  JEPS8610  Hulsea vestita subsp. gabrielensis Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4201 Los Angeles along Forest Service road following the crest Mendenhall Ridge (10 mi e of its start at paved road crossing western crest of ridge between Little Tujunga and Pacoima canyons); western end San Gabriel Mountains, Angeles National Forest 1554 Comment
  RSA725097  Hymenoclea salsola var. salsola Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -82 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  SFV3992  Hypochaeris glabra M. Wisotsky 1958-5-30 s. n. Los Angeles San Fernando Valley In front of house at 12904 Osborne Ave. Northeast corner of fence. Comment
  UC382613  Isocoma acradenia var. acradenia H. M. Hall 1919-10-21 Los Angeles Lancaster Antelope Valley Comment
  JEPS19118  Isocoma menziesii var. vernonioides Elizabeth Day Palmer 1908-8-11 Los Angeles Los Angeles Comment
  RSA279098  Isocoma menziesii var. vernonioides R. F. Thorne, D. Propst, Mark Hoefs 1974-9-12 45112 Los Angeles Santa Catalina Island: near Buffalo Springs Reservoir. 427 Comment
  SD249146  Isocoma menziesii var. vernonioides Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2202 Los Angeles San Clemente Island, ca 0.7 mile north-northwest of South Point, along ridge. 121 Comment
  RSA593401  Isolepis cernua Steve Boyd, Orlando Mistretta 1996-5-23 8820 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA595157  Isolepis cernua Steve Boyd 1996-4-25 8702 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  UCR87358  Isomeris arborea R. G. Swinney 1994-3-19 2715 Los Angeles San Gabriel Mtns., Glendora, 2.5 mi northwest of Big Dalton Canyon Road at Glendora Mountain Rd, c. 100 m below (S) of road 549 Comment
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Jun 15 2009
  CATA1526  Jaumea carnosa Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2747 Los Angeles Santa Catalina Island: Catalina Harbor at the Isthmus 3 Comment
  RSA167619  Juglans californica Peter H. Raven, Robert Thorne 1964-5-7 19004 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA599211  Juglans californica var. californica Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of stables, Brown School for Girls. 335 Comment
  SD252225  Juncus bufonius Steven A. Junak 1999-7-15 Sca 1030 Los Angeles Santa Catalina Island. Bulrush Canyon. 238 Comment
  RSA0112557  Juncus bufonius var. occidentalis R. G. Swinney 2011-6-15 15187 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA509579  Juncus bufonius var. occidentalis L. C. Wheeler 1967-8-2 10338 Los Angeles Angeles National Forest: at Lower Chilao Flat Road 1584 Comment
  UCR177220  Juncus macrophyllus LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1072 Los Angeles Verdugo Mountains, North side of the mountains, south of Hostetter Motorway just off La Tuna Canyon Road, south of the 210 Fwy 564 Comment
  RSA607713  Juncus macrophyllus L. C. Wheeler 1947-7-11 6542 Los Angeles San Gabriel Mountains: Millard Canyon. 412 Comment
  SBBG98501  Juncus patens T. Ross 1991-5-21 5405 Los Angeles E fork of Box Cyn near its jct with the W fork 451 Comment
  RSA602457  Juncus rugulosus Scott D. White 1997-5-14 5144 A 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
  RSA720178  Juncus rugulosus LeRoy Gross 2007-3-13 2612 Los Angeles Southern side of range: Wildwood Canyon. 499 Comment
  UCR178954  Juncus rugulosus R. G. Swinney 1988-9-5 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon Debris basin 335 Comment
  RSA748845  Juncus textilis Justin M. Wood 2009-4-13 490 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  SBBG126141  Juncus textilis A. C. Sanders with T. B. Salvato 2009-5-21 36889 Los Angeles Whittier Narrows near S El Monte, N of San Gabriel River channel and SE of Durfee Ave, W half of Whittier Narrows Nature Center 66 Comment
  UCR205713  Juncus textilis A. C. Sanders, T. B. Salvato 2009-5-21 36889 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  JEPS45906  Juncus xiphioides Joseph Andorfer Ewan 1934-8-11 8348 Los Angeles below Newcomb's Ranch; San Gabriel Mts., Chilao Region Comment
  RSA368384  Juncus xiphioides Bryan 1929-7-4 s.n. Los Angeles Switzer's Camp; Arroyo [Seco]. 975 Comment
  UCR210258  Juncus xiphioides R. G. Swinney 2008-8-13 9367 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA547796  Juncus xiphioides Timothy S. Ross, Peter Fritsch 1990-6-20 3606 Los Angeles near confluence of E and W Forks of the San Gabriel River 466 Comment
  RSA70316  Juncus xiphioides F. W. Peirson 1930-5-21 8916 Los Angeles Below Lovejoy Dam, southwest Mojave Desert. Comment
  UCR274355  Juncus xiphioides Steven A. Junak 1999-7-16 SCa- 1053 Los Angeles California Islands, Santa Catalina Island. Lower Cottonwood Canyon, just downstream from crossing of road to Ben Weston Beach Comment
  RSA250673  Juniperus californica Robert F. Thorne, A. C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39484 Los Angeles Mojave Desert: Ca. 3 mi. S of Hwy. 138 on Grandview Canyon road, ca. 9 mi. ESE of Pearblossom 1280 Comment
  RSA670384  Juniperus californica B. C. Templeton 1930-4-8 1017 Los Angeles San Francisquito Canyon, San Gabriel Mts. 915 Comment
  UCD133797  Juniperus occidentalis T. I. Storer 1923-3-19 342 Los Angeles Near Fairmont. Comment
  CAS-BOT-BC235734  Keckiella cordifolia C. F. Baker 1903-7-20 3441 Los Angeles Claremont Comment
  POM21408  Keckiella cordifolia George B. Grant 1901-7-26 s.n. Los Angeles Sturtevant's Camp, San Gabriel Mountians. Comment
  RSA79783  Keckiella cordifolia Raymond J. Dobbs 1927-6-28 7684 Los Angeles Arroyo Seco near Switzers, San Gabriel Mountains. 915 Comment
  UC527608  Keckiella cordifolia C. B. Wolf 1931-6-25 Los Angeles Mandeville Canyon; sw of Los Angeles Botanic Garden, along Beverly Blvd 60 Comment
  RSA400472  Keckiella ternata subsp. ternata R. S. Woglum 1940-7-6 2903 Los Angeles San Gabriel Mountains, Angeles National Forest, Charlton Flats Comment
  RSA597033  Keckiella ternata subsp. ternata Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3847 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  CAS-BOT-BC271334  Koeleria pyramidata Geo. B. Grant 1900-4-15 2472 Los Angeles Old Wilson Trail Comment
  RSA586666  Lactuca serriola Orlando Mistretta 1995-6-1 1762 Los Angeles San Gabriel Mountains. Carr Canyon. 1021 Comment
  UCD133558  Lactuca serriola Robert F. Thorne; J. Dourley 1967-10-10 37333 Los Angeles San Gabriel Mountains, Angeles National Forest, Jackson Lake, west end of lake. 1866 Comment
  CAS-BOT-BC340759  Laennecia coulteri Reid Moran 1959-3-9 7156 Los Angeles 1 mile north of Eel Point, San Clemente Island 20 Comment
  UCR180170  Lamarckia aurea R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., north of Glendora, 200 yds. south of Glendora Mtn Rd. on firebreak on west boundary of Glendora Wilderness Park, east of Colby Fire Rd. 473 Comment
  SEINET4670733  Lamarckia aurea G. Grant 1901 to 1905 665 Los Angeles Pacific Coast, Southern California, Pasadena Comment
  UC519990  Lamium amplexicaule Louis C. Wheeler 1932-5-30 796 Los Angeles 2 mi ne La Verne 373 Comment
  UC520376  Lamium amplexicaule Louis C. Wheeler 1933-7-14 1937 Los Angeles near Rio Hondo; Potrero Chico 68 Comment
  SEINET5512236  Langloisia matthewsii E A Carl 1964-1 Los Angeles Palmdale Blvd between 100th & 150th Streets W near Palmdale. Drainage area: Antelope Valley 792 Comment
  SEINET12276196  Lantana camara J. F. Bright, Wyman, C. 1931-1 5694 Los Angeles Hollywood Comment
  CAS-BOT-BC171060  Larrea tridentata A. D. E. Elmer 1902-6-1 3664 Los Angeles Lancaster Comment
  POM361490  Lasthenia californica Gary D. Wallace 1979-4-19 1679 Los Angeles Mojave Desert, W of Palmdale, N of Elizabeth Lake near north end of Munz Ranch Road. Comment
  SD8880  Lasthenia californica J. C. Nevins 1885-1 Los Angeles Los Angeles Comment
  UCD150963  Lasthenia glabrata subsp. glabrata D. S. Park 2010-4-27 49 Los Angeles Ranch Santa Ana Botanic Garden 328 Comment
  POM361485  Lasthenia gracilis Geo L. Moxley 1920-5-1 748 Los Angeles Catalina Island. Comment
  SBBG117120  Lasthenia gracilis S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1533 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
  SBBG98060  Lasthenia gracilis T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5161 Los Angeles 950 ft WNW of Stone at the beginning of the Stone Cyn drainage 441 Comment
  UC1409095  Lasthenia gracilis Robert F. Thorne 1966-4-15 36001 Los Angeles 2/3 mi sse Eel Point (n of Seal Cove); San Clemente Island 76 Comment
  UCR155367  Lasthenia gracilis A. C. Sanders 2005-5-11 30127 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  SEINET955803  Lathyrus laetiflorus Wesley O. Griesel 1959-1 Los Angeles Millard Canyon, San Gabriel Mts. 610 Comment
  CATA1890  Lathyrus odoratus Denise Knapp 2006-5-12 Los Angeles Santa Catalina Island: Hayfield across from J. Ackerman Native Plant Nursery 0 Comment
  RSA405688  Lathyrus vestitus subsp. laetiflorus James Clizbe 1930-4-2 s.n. Los Angeles Griffith Park Comment
  UCD106525  Lathyrus vestitus var. alefeldii Richard A. Evans 1999-4-19 s.n. Los Angeles San Dimas Canyon, north of Glendora. Comment
  OBI13237  Lathyrus vestitus var. alefeldii D. H. Thomson 1944-4-7 s.n. Los Angeles Burbank, Verdugo Hills mt range 671 Comment
  RSA90276  Lathyrus vestitus var. vestitus F. W. Peirson 1924-5-26 4627 Los Angeles trail to Switzer's Camp 915 Comment
  CHSC95915  Layia glandulosa LeRoy Gross 2005-5-3 2227 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  RSA570188  Layia glandulosa Timothy S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5025 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA611841  Layia glandulosa Steve Boyd, Valerie Soza 1998-4-28 10171 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  POM30332  Layia glandulosa Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  UC1250443  Layia glandulosa Isabelle Tavares and Valera Brinson 1962-4-16 273 Los Angeles near Palmdale (2.7 mi e of Highway 6, on highway connecting with Angeles Crest Highway (Highway 2)) Comment
  RSA0077564  Layia heterotricha Anstruther Davidson, Hasse 1906-6-2 1468 Los Angeles Big Rock Creek. Comment
  UCR274094  Layia platyglossa Steven A. Junak 1999-5-20 SCa- 931 Los Angeles Channel Islands, Santa Catalina Island, ridge between Cottonwood and Escondido Canyons, on south side of Cottonwood-Black Jack Road, c. 0.6 mile up from reservoir 256 Comment
  UCR182673  Lepechinia fragrans R. G. Swinney 1998-4-13 5958 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR198289  Lepechinia rossii LeRoy Gross, V. Arvizu, B. Hogshead 2005-5-24 2311 Los Angeles Transverse Ranges; Liebre Mountains, Ruby Cleaarwater Truck Trail, south of Ruby Canyon, north of Red Mountain 788 Comment
  OBI45078  Lepidium didymum Robert F. Thorne 1973-4-11 42726 Los Angeles Rancho Santa Ana Botanic Garden-claremont. Near admin bldg 366 Comment
  CAS-BOT-BC89306  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  UCSB10039  Lepidium flavum Haller, John 1957-4-13 Los Angeles 1 mile W of Los Angeles- San Bernardino Co. line; ca. 32 road miles E of Palmdale 914 Comment
  UC1536953  Lepidium fremontii Gordon H. True Jr. 1935-5-17 309 Los Angeles hills s Littlerock 914 Comment
  RSA429893  Lepidium fremontii B. C. Templeton 1931-4-19 s.n. Los Angeles 9 miles W of Lancaster Comment
  RSA725076  Lepidium fremontii var. fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 86 -A Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  RSA727338  Lepidium fremontii var. 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 1305 Comment
  RSA429956  Lepidium latipes H. E. Hasse 1892-1 s.n. Los Angeles Santa Monica. Comment
  CAS-BOT-BC12477  Lepidium nitidum Le Roy Abrams 1899-2-1 245 Los Angeles Inglewood. Comment
  CDA3814  Lepidium pinnatifidum G. C. Fleischman 1942-4-6 Los Angeles La Senda Station, Southern Pasadena. 0 Comment
  RSA0110765  Lepidium strictum Steven A. Junak 1997-3-27 SCa- 344 Los Angeles Santa Catalina Island. Avalon Canyon, along E side of Avalon Canyon Road, across from store at Hermit Gulch Campground. 91 Comment
  CAS-BOT-BC328064  Lepidospartum squamatum F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mts. 914 Comment
  LA200241  Lepidospartum squamatum Jonathan Sauer; C. O. Sauer 1969-11-30 4673 Los Angeles 9 Comment
  SEINET3147932  Lepidospartum squamatum G. B. Grant 1906-9-14 sn Los Angeles Pasadena Comment
  UC472177  Lepidospartum squamatum J. Ewan 1931-10-24 5272 Los Angeles one mile above Malibu Lake; Santa Monica Mts. Comment
  RSA252930  Leptosiphon breviculus R. F. Thorne, C. W. Tilforth 1973-4-20 43031 Los Angeles San Gabriel Mts., Mojave Desert slopes: ridge N of Shoemaker Canyon, 3 mi. WNW of Mile High & c. 1.5 mi E of Big Rock Springs 1372 Comment
  POM247137  Leptosiphon breviculus Victor Duran 1933-7-11 3516 Los Angeles Sulphur Spring, San Gabriel Mts. 1524 Comment
  RSA600683  Leptosiphon parviflorus L. C. Wheeler 1936-6-6 4123 Los Angeles San Dimas Canyon near dam, San Gabriel Mountains. 457 Comment
  RSA251451  Leptosiphon pygmaeus subsp. pygmaeus R. F. Thorne 1966-4-17 36077 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  SD129588  Leptosyne gigantea A. C. Sanders unknown 7594 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, East of Vista Del Mar Boulevard 29 Comment
  UCR141033  Lessingia filaginifolia var. filaginifolia June Latting, Ted Hanes, et al 1977-10-15 s.n. Los Angeles San Gabriel Mountains, fuelbreak below Chilao Flat, Angeles Crest 1659 Comment
  RSA0087097  Lessingia glandulifera var. glandulifera R. G. Swinney 2010-6-1 13080 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA716926  Leucojum aestivum LeRoy Gross, Naomi Fraga 2006-1-20 2445 Los Angeles North end of the San Rafael Hills, east side of the main crest. North of Lookout Tower. Near 503 Comment
  RSA584597  Leymus condensatus Timothy S. Ross, Orlando Mistretta 1993-5-26 7303 Los Angeles W end of the San Gabriel Mountains: near head of upper E Fork Wilson Canyon just E of 'Lupine Saddle', ca. 780 meters E of Wilson Canyon Saddle. 976 Comment
  RSA730749  Leymus condensatus A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26118 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  CAS-BOT-BC274480  Leymus triticoides A. D. E. Elmer 1902-6-1 3652 Los Angeles Acton Comment
  RSA377137  Lilium humboldtii subsp. ocellatum Donald R. Bissing 1973-6-2 14 Los Angeles Evey Canyon, 0.6 mile from canyon mouth along roadside. 732 Comment
  RSA604148  Lilium parryi Louis C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  UCR258516  Limosella acaulis R. G. Swinney 2010-9-13 13803 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  RSA596064  Linanthus aureus L. C. Wheeler 1967-5-9 9394 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  SEINET7047932  Linanthus aureus Steven R. Hill, Kate Kramer 2001-4-22 33387 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  UCR205926  Linanthus bigelovii R. G. Swinney 2008-5-5 8776 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  JEPS86573  Linanthus breviculus Roy E. Buck 1988-4-9 889 Los Angeles 3.1 rd mi s CA Hwy. 138 (e of Largo Vista Rd, 0.3 air km e of 4200 ft elev on wash draining Grandview Canyon, 14 air km ese of Pearblossom, s side of Antelope Valley); Antelope Valley, Grandview Canyon 1280 Comment
  RSA468432  Linanthus californicus subsp. glandulosus James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  PASA750  Linanthus ciliatus Margaret Stason 1932-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  SD84765  Linanthus dianthiflorus Reid Moran 1941-3-9 690 Los Angeles Middle Ranch, Santa Catalina Island, on ridge 249 Comment
  RSA788855  Linanthus pungens J. Mark Porter, Lauren Machen 2012-5-30 15131 .3 Los Angeles Along CA Hwy 2 (Angeles Crest Highway) near (W of) Cortleyou Spring, 0.4 mi E (by road) of Islip Saddle and the junction with CA 39 (San Gabriel Canyon Road). 2070 Comment
  UCR272564  Linanthus pungens R. G. Swinney 2011-8-5 15598 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA400303  Linaria canadensis var. texana Robert M. Perkins 1936-4-18 144 Los Angeles El Segundo. Comment
  UCR220356  Linum usitatissimum R. G. Swinney 2009-4-13 10324 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR166271  Lithophragma Scott D. White, Chet McGaugh 1995-5-9 2984 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
  CAS-BOT-BC426264  Lithophragma affine M. E. Jones 1882-5-3 3223 Los Angeles Pasadena Comment
  RSA682118  Lithophragma affine Valerie L. Soza, Bill Hogshead 2003-5-6 1650 Los Angeles Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  SEINET6032168  Lithophragma affine G. B. Grant 1904-1 701 Los Angeles Garvanza Comment
  POM1498  Lithophragma affine subsp. mixtum L. R. Abrams 1901-04 1269 Los Angeles Santa Monica Mountains Comment
  SEINET12219415  Lithophragma affine subsp. mixtum J. F. Bright 1934-1 9251 Los Angeles Santa Monica Coast Range Comment
  RSA680114  Lithophragma tenellum LeRoy Gross, Michael Denslow 2003-6-4 997 Los Angeles Southeast of Dawson Saddle, south side of Angeles Crest Highway (Hwy. 2). 2439 Comment
  RSA595511  Lobularia maritima L. C. Wheeler 1969-2-16 s.n. Los Angeles Canyon Crest Road, west side Millard Canyon. 403 Comment
  RSA608640  Lobularia maritima L. C. Wheeler 1931-3-7 s.n. Los Angeles La Verne. Comment
  RSA652836  Lobularia maritima Ron Martinolich 1991-4-7 41 Los Angeles Los Angeles, Griffth Park, north on Vista Del Valle Dr., to first fire road on right (east) past Bee Rock trailhead, down (ca. north) on fire road 0.25 miles. Comment
  POM8218  Loeflingia squarrosa P. A. Munz 1921-05 4688 Los Angeles Claremont. Comment
  SBBG98622  Logfia filaginoides T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5321 Los Angeles between Box and Horse Cyns 484 Comment
  UC1211046  Logfia filaginoides Huron H. Smith 1912-5-31 5061 Los Angeles Pebble Beach Road Santa Catalina Isl. 30 Comment
  CATA1196  Logfia gallica Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-5 2215 Los Angeles Santa Catalina Island: Upper White's Landing Road 426 Comment
  POM356949  Lolium perenne subsp. multiflorum F. R. Fosberg 1930-6-26 S- 3004 Los Angeles Culver Garden. 15 Comment
  POM7111  Lolium temulentum P. A. Munz, G. Williams 1919-4-19 2488 Los Angeles Lone Hill Comment
  UC1605243  Lomatium dasycarpum subsp. dasycarpum Tim Ross and Steve Boyd 1993-5-23 7250 Los Angeles ca. 700-840 m. s.e. of saddle between Ruby and Clearwater Canyon (lower e. ridge of Red Mt.); n.w. Los Angeles Co., Liebre Mts., Red Mt., Green Valley Qua 938 Comment
  UC1605268  Lomatium dasycarpum subsp. dasycarpum Tim Ross and Darin Banks 1994-4-12 7495 Los Angeles ca. 670 m. s.-s.e. of where Drinkwater Canyon joins San Francisquito Canyon (w. draw draining from ridge which divides S. Fr. Cyn from Dry Canyon, upper portion of open draw near ...); Liebre Mts., Warm Springs Quad., San Francisquito Canyon 536 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
  SBBG59772  Lomatium mohavense R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  CATA822  Lonicera hispidula Mark L. Hoefs 1991-6-17 1414 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon 329 Comment
  RSA100222  Lonicera interrupta F. W. Peirson 1919-6-14 4504 Los Angeles Rock Creek, north slopes of San Gabriel Mts. 1295 Comment
  RSA0116801  Lonicera subspicata R. G. Swinney 2010-5-25 12923 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR146883  Lonicera subspicata Kathleen Stockwell 2000-6-24 s.n. Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, North Padua Ave., uphill to water reservoirs near Padua Hills Theatre, NNE of Claremont 610 Comment
  RSA0019893  Lonicera subspicata var. denudata Orlando Mistretta, Youssef Atallah 2011-8-12 6031 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
  UCR212775  Lonicera subspicata var. denudata Ellen Mackey, Blake Whittington 2006-9-28 NFWF- 1765 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, Sycamore Canyon, [along Sycamore Canyon Road, north of San Dimas Canyon Park], on a horse trail 117 Comment
  UC1211061  Lotus argophyllus var. argenteus Huron H. Smith 1912-5-29 5020 Los Angeles Summit Road Santa Catalina Island 365 Comment
  RSA0003344  Lotus argophyllus var. argenteus M. B. Dunkle 1939-4-5 7273 Los Angeles Pyramid Cove, San Clemente Island. Comment
  SEINET10907089  Lotus crassifolius Zona 1989-6-21 ZONA 345 Los Angeles Mtn high ski resort; w of wrightwood, n slopes of san gabriel mts. Abies Concolor, pinus jeffreyi, p. Ponderosa, quercus kelloggii, ceanothus cordulatus. Common herb in sunny areas on ski runs and at the base of slopes in disturbed Areas. Flowers pale yellow. Comment
  RSA161323  Lotus dendroideus var. dendroideus P. H. Raven 1962-5-20 17768 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  RSA639618  Lotus grandiflorus var. grandiflorus L. C. Wheeler 1967-5-23 9701 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA592013  Lotus hamatus Mark Hoefs, Doug Propst 1973-4-6 147 Los Angeles Middle of Cape Canyon, Santa Catalina Island. 305 Comment
  RSA0042309  Lotus hamatus Mark L. Hoefs, Steven A. Junak 2000-4-14 3075 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor. 469 Comment
  UCR186595  Lotus heermannii T. B. Salvato, Sarah Flack 2007-8-8 3038 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  UCR139933  Lotus humistratus L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  UCR155929  Lotus humistratus A. C. Sanders 2005-5-5 29890 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA586641  Lotus humistratus Orlando Mistretta 1995-6-1 1767 Los Angeles San Gabriel Mountains. Carr Canyon. 1098 Comment
  RSA229052  Lotus nevadensis var. davidsonii R. F. Thorne, Tilforth, John Dourley 1969-7-29 38866 Los Angeles Angeles National Forest: Dawson Saddle 2424 Comment
  RSA90413  Lotus oblongifolius var. oblongifolius F. W. Peirson 1904-8-28 4079 Los Angeles Little Santa Anita Canyon, south base of San Gabriel Mts. Comment
  RSA755581  Lotus salsuginosus R. G. Swinney 2008-7-12 9172 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  SEINET3860266  Lotus salsuginosus R. G. Swinney 2009-4-21 10417 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mile north (upstream) of Puente Largo bridge.; 0 192 Comment
  SEINET12151346  Lotus scoparius C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  UCR209146  Lotus scoparius subsp. scoparius Dan S. Cooper 2009-1 109- 24 Los Angeles South Coast, Sand Dune Park, Manhattan Beach 27 Comment
  NY15752  Lotus scoparius var. brevialatus A. M. Ottley 1920-5-3 589 Los Angeles Side of Litte Tujunga Wash. 335.3 Comment
  RSA652464  Lotus scoparius var. brevialatus N. D. Hogg 1969-5-11 s.n. Los Angeles Mountain Avenue and Mount Baldy Road, Padua Hill. Rocky alluvial fan of San Antonio Canyon. Comment
  RSA674277  Lotus strigosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 712 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 576 Comment
  UCR223771  Lotus strigosus R. G. Swinney 2009-6-17 11172 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR51921  Lotus strigosus Steve Boyd, T. S. Elias 1987-4-14 2037 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  RSA709636  Lotus strigosus LeRoy Gross 2005-4-28 2145 -a 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
  UCR256143  Lotus strigosus var. strigosus R. G. Swinney 2010-3-22 11995 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA75379  Ludwigia peploides subsp. peploides F. W. Peirson 1916-09 2080 Los Angeles Kewen Lake, Pasadena Comment
  RSA738048  Lupinus James W. Raymond 1960-3-20 s.n. Los Angeles Hansen Dam Comment
  SEINET10488415  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 year old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x 7325 (2) Comment
  UC1481357  Lupinus albifrons David B. Dunn 1957-5-18 RSA- 6450 -7325 Los Angeles Comment
  RSA0041492  Lupinus bicolor Ron Martinolich 1991-5-3 61 Los Angeles Glendale, Flint Peak access road, 0.25 mi. east of water tower, on roadside. Comment
  RSA563503  Lupinus bicolor T. S. Ross 1993-5-13 7131 Los Angeles Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll. 909 Comment
  UCSB9862  Lupinus bicolor H., J. 1941-4-4 Los Angeles San Dimas Canyon; 1/2 mi. below San Dimas Dam Comment
  UCR50072  Lupinus bicolor subsp. microphyllus Steve Morgan 1974-4-16 35 Los Angeles San Fernando Valley, 9648 Haddon Avenue, Pacoima 280 Comment
  POM350024  Lupinus bicolor subsp. microphyllus M. B. Dunkle 1938-3-20 5251 Los Angeles Rolling hills, Palos Verdes Hills, Los Angeles. Comment
  SEINET10484881  Lupinus bicolor subsp. microphyllus Emma Shumway 1903-1 Shumway s.n. Los Angeles Field Comment
  SDSU19956  Lupinus bicolor subsp. umbellatus S. H. Bullock 1968-3-23 2 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. 351 Comment
  RSA102541  Lupinus chamissonis McFadden 1929-2-22 s.n. Los Angeles El Segundo. Comment
  SEINET12154481  Lupinus chamissonis Unknown 1933-1 10354 Los Angeles Playa del Rey Comment
  SBBG78227  Lupinus concinnus F. R. Fosberg 1931-3-27 4413 Los Angeles Hamilton Cyn, North Wall 120 Comment
  SFV1875  Lupinus concinnus P. G. Kilburn 1958-3-29 673 Los Angeles Santa Susana Mountains Beside road leading to Standard Oil land from Phil Gentile Ranch. Comment
  UC284672  Lupinus concinnus P. A. Munz 1923-4-10 6747 Los Angeles w coast San Clemente Island (dry slope of canyon s of Lemon Tank); w coast San Clemente Island Comment
  RSA599807  Lupinus concinnus var. optatus Steve Boyd, Lauren Raz 1997-3-25 9299 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
  RSA414467  Lupinus elatus F. R. Fosberg, Joseph A. Ewan 1931-8-12 4918 Los Angeles San Gabriel Mountains: trail to summit of Mount Islip 2439 Comment
  UCR213245  Lupinus excubitus Dan S. Cooper 2010-3-10 20100409- 33 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., east side of bird sanctuary in Griffith Park 357 Comment
  RSA641374  Lupinus excubitus var. austromontanus Orlando Mistretta 1995-6-23 1837 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1921 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
  UC201990  Lupinus formosus Geo. B. Grant 1906-1 Los Angeles summit Mt. Wilson (San Gabriel Mts.); , summit Mt. Wilson 1828 Comment
  SEINET10485358  Lupinus formosus Thorne 1973-4-24 THORNE 43431 Los Angeles San gabriel mtns. Mojave desert slope. Along ft. Tejon rd near jct with Longview rd, ca 3 mi s of pearblossom rd. Joshua tree and juniper woodland With numerous annuals; flowers purplish. 1067 Comment
  POM2512  Lupinus formosus var. formosus I. M. Johnston 1917-7-1 1754 Los Angeles San Antonio Mountains. Browns Flats. 1310 Comment
  POM2546  Lupinus formosus var. formosus D. W. Sturges 1916-6-2 s.n. Los Angeles San Antonio Mt 1555 Comment
  UCR216867  Lupinus hirsutissimus R. G. Swinney 2009-3-13 10108 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  RSA733774  Lupinus latifolius var. parishii R. G. Swinney 1998-7-29 6531 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp. 2110 Comment
  CAS-BOT-BC202087  Lupinus longifolius Charles Piper Smith 1923-7-16 3785 Los Angeles Sierra Madre Comment
  LA200473  Lupinus longifolius Carl Epling; L. Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA3241  Lupinus longifolius Carl B. Wolf 1931-6-25 11124 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  SFV16158  Lupinus longifolius P. A. Krueger 1994-5-11 15 Los Angeles San Gabriel Mountains 0.7 miles on 2N24 from Highway 39. 650 Comment
  UCSB3310  Lupinus longifolius Ellis, Richard 1960-4-11 Los Angeles Malibu Canyon Road 1.5 miles north of Highway 101 Comment
  UC527610  Lupinus longifolius C. B. Wolf 1931-6-25 2241 Los Angeles along Beverly Blvd. sw Los Angeles Botanic Garden ((Mandeville Canyon)); sw of Los Angeles Botanic Garden 60 Comment
  UCR255766  Lupinus microcarpus R. G. Swinney 2010-5-12 12708 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  UCD168227  Lupinus microcarpus var. densiflorus J. W. Barry Apr1980 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
  LA33641  Lupinus microcarpus var. microcarpus Peter H. Raven; 1959-5-5 14157 Los Angeles Santa Monica Mountains, Tapia Park, above park 152 Comment
  SEINET10973348  Lupinus odoratus David B. Dunn 1947-4-16 Dunn 2944 Los Angeles Along power line 5 mi e and 2 mi s of palmdale. Comment
  CAS-BOT-BC207249  Lupinus peirsonii Wesley O. Griesel 1962-5-28 s.n. Los Angeles State Hwy. #2 2-2 1/2 miles EAst of Dawson Saddle, San Gabriel Mts. 2286 Comment
  SBBG3696  Lupinus sparsiflorus H. and M. Dearing 1938-5-22 1946 Los Angeles Decker Ranch Rd Comment
  UC723825  Lupinus sparsiflorus Joseph Andorfer Ewan IV 1933 10909 Los Angeles Higgins Canyon; Santa Monica Mts., Higgins Canyon 457 Comment
  RSA127893  Lupinus subvexus var. subvexus Peter H. Raven, Henry J. Thompson 1959-5-5 14157 Los Angeles Tapia park 152 Comment
  RSA226534  Lupinus succulentus C. W. Tilforth 1969-4-30 187 Los Angeles West side of Colima Ave Just north of Hacienda Blvd intersection north of Whittier. Comment
  RSA619105  Lupinus succulentus R. S. Woglum s.n. Los Angeles South Coast: North Hollywood; San Fernando Valley. Comment
  SD85154  Lupinus succulentus Ralph N. Philbrick 1972-2-22 Los Angeles Collected as seed from top of terrace north of Wilsons Cove, San Clemente Island. Comment
  UCR126612  Lupinus truncatus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26049 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR65529  Lupinus truncatus Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 795- 5 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  UCSB3369  Lupinus truncatus Haller, Norman 1953-3-21 Los Angeles Point Dume Comment
  SEINET6091638  Lycium andersonii Louis Wheeler 1973-4-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CATA575  Lycium californicum Mark L. Hoefs 1991-4-16 1010 Los Angeles Santa Catalina Island: Hillside south-west of Little Harbor 9 Comment
  SBBG30341  Lycium californicum R. N. Philbrick 1968-2-23 B 68 -5 Los Angeles Little Fisherman Cove Comment
  UCR71268  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4399 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  SBBG26565  Lyonothamnus floribundus var. floribundus M. R. Benedict 1965-12-12 Los Angeles 1.5 mi SW of Johnson's Landing Comment
  SBBG51682  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62512 Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  RSA435267  Lythrum californicum Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon. [San Gabriel Mountains] 457 Comment
  RSA773973  Machaeranthera canescens R. G. Swinney 2009-7-29 11441 Los Angeles Pacifico Mountain summit 2134 Comment
  UCR146542  Machaeranthera canescens Scott D. White 2004-8-11 10695 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  RSA642273  Machaeranthera canescens var. canescens Orlando Mistretta, R. T. Hawke 1995-11-8 1950 Los Angeles San Gabriel Mountains. Comment
  SBBG105549  Madia elegans T. S. Ross, S. Boyd 1944-5-4 7659 Los Angeles NE summit of Grass Mtn 1383 Comment
  SBBG52727  Madia exigua F. R. Fosberg 1931-5-4 4763 Los Angeles Bullrush Cyn 60 Comment
  UC187706  Madia exigua Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  SD218974  Madia gracilis R. F. Thorne, P. C. Everett 1965-5-11 34676 Los Angeles Santa Catalina Island, above summit road from Avalon to airport. 60 Comment
  RSA639267  Madia gracilis R. F. Thorne 1971-5-18 41358 Los Angeles Santa Catalina Island: Cape Canyon. 274 Comment
  UCR119555  Madia minima L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns., Chilao Creek headwaters 1799 Comment
  RSA0083119  Malacothamnus R. G. Swinney 2010-6-4 13040 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA320825  Malacothamnus clementinus F. C. Boutin 1967-4-23 1654 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site. 305 Comment
  UCR23599  Malacothamnus davidsonii John C. Roos 1942-3-7 1001 Los Angeles San Gabriel Mtns., Big Tujunga Canyon 457 Comment
  RSA712216  Malacothamnus davidsonii Andrea Warniment, D. Hughes 2005-6-15 ADW- 3 Los Angeles Transverse Ranges; San Gabriel Mtns. region: Stetson Debris Basi in mixed sage scrub. 465 Comment
  RSA641514  Malacothamnus fasciculatus Louis C. Wheeler 1967-8-27 10573 Los Angeles San Gabriel Mts; Angeles National Forest; Allison Trail 0.3 mile W of Widman Ranch, Coldwater Canyon 1311 Comment
  UCR88662  Malacothamnus fasciculatus Scott D. White 1995-10-19 3708 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  CAS-BOT-BC8191  Malacothamnus fasciculatus subsp. fasciculatus John I. Carlson 1915-6-13 s.n. Los Angeles Santa Catalina Island. Avalon. Comment
  CHSC5105  Malacothamnus fasciculatus var. fasciculatus M. MacArthur 1967-7-22 90 Los Angeles Ca. 1 mi from Hwy 101 and ocean, along left side of Latigo Canyon Rd., Santa Monica Mts. 152 Comment
  RSA77034  Malacothamnus fremontii F. W. Peirson 1917-5-13 68 Los Angeles Roadside near village of Little Rock, north side of San Gabriel Mountains. Comment
  UCR209411  Malacothamnus fremontii R. G. Swinney 2008-10-8 9519 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  CAS-BOT-BC204189  Malacothamnus marrubioides John Thomas Howell 1950-11-9 27485 Los Angeles 12 miles n. of Castac [Castaic] 609 Comment
  RSA0116398  Malacothamnus marrubioides Scott D. White, Andrea Warniment 2005-9-22 11228 Los Angeles Liebre Mountains: Tapia Canyon: ca. 2 air miles east of the Interstate 5 / Old Ridge Rt. junction. 427 Comment
  SBBG66060  Malacothrix californica R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  UC557744  Malacothrix foliosa Nell Murbarger May, 1936 164 Los Angeles e and n sides of island San Clemente Island Comment
  SJSU2492  Malacothrix glabrata H. L. Buckalew 1962-4-18 Los Angeles rd between Vincent & Littlerock Comment
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Feb 14 2006
  CAS-BOT-BC347615  Malacothrix glabrata Ira L. Wiggins; W. R. Ernst 1958-5-2 229 Los Angeles Flats 1 mile northwest of Little Rock Comment
  CAS-BOT-BC347928  Malacothrix saxatilis var. tenuifolia Carl B. Wolf 1932-5-9 3445 Los Angeles Santa Catalina Island. Pebbly Beach 7 Comment
  CAS-BOT-BC347946  Malacothrix saxatilis var. tenuifolia John I. Carlson 1918-5-10 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  POM362376  Malacothrix saxatilis var. tenuifolia Robert Gustafson 1980-7-9 1808 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA594978  Malacothrix saxatilis var. tenuifolia Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 2379 Los Angeles Parsons' Landing, Santa Catalina Island 323 Comment
  UC1536039  Malacothrix saxatilis var. tenuifolia Robert F. Thorne September 1973 44722 Los Angeles Blue Cavern Point Santa Catalina Island Comment
  RSA780693  Malacothrix saxatilis var. tenuifolia Sandy Leatherman, Pam DeVries 2011-4-28 2011 -10 Los Angeles Transverse Ranges; Liebre Mountains region; 925 meters SW of Vasquez Canyon Road at Mesa Drive in Santa Clarita 576 Comment
  CAS-BOT-BC170385  Malosma laurina Alice Eastwood 1919-7-4 9292 Los Angeles Santa Monica Canyon Comment
  CATA3163  Malosma laurina Amy Catalano 2016-6-24 147 Los Angeles Santa Catalina Island: South side of canyon that runs northeast from junction of Cape Canyon Road and Upper Cape Reservoir Road 309 Comment
  POM224199  Malosma laurina Annetta Carter 1935-9-8 955 Los Angeles in bottom of steep walled canyon 381 Comment
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Nov 14 2012
  RSA386396  Malosma laurina F. R. Fosberg 1931-7-16 S- 5602 Los Angeles Gallagher s Canyon. Santa Catalina Island. 5 Comment
  RSA652782  Malosma laurina Monica Acosta 1998-5-25 41 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  CAS-BOT-BC206649  Malva assurgentiflora Reid Moran 1941-2-26 625 Los Angeles Northeast slope of rock, Indian Rock, Wilson's Harbor, Santa Catalina Island Comment
  CAS-BOT-BC206654  Malva assurgentiflora Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  UCR97327  Malva nicaeensis B. G. Pitzer 1996-4-27 2725 Los Angeles City of Signal Hill, Reservoir Park, on Wardlow Road between Orange Street & Walnut Street, east of Long Beach Blvd. Comment
  RSA611923  Malva parviflora Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  CATA3107  Malvella leprosa Amy Catalano, C. Matt Guilliams & Steve Junak 2016-5-12 111 Los Angeles Santa Catalina Island: West edge of Echo Lake 391 Comment
  RSA600386  Malvella leprosa Louis C. Wheeler 1933-8-5 2051 Los Angeles Los Angeles River, At Sepulveda Blvd 198 Comment
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Jan 22 2008
  SBBG32155  Marah macrocarpa R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -315 Los Angeles Descanso Cyn 91 Comment
  RSA0065716  Marsilea vestita subsp. vestita Justin M. Wood 2011-7-7 4342 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  UCR154031  Matricaria matricarioides A. C. Sanders 2005-5-11 30202 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UC1595233  Medicago lupulina Tim Ross and Peter Fritsch 1990-6-20 3603 Los Angeles mouth of canyon near confluence of E and W Forks of the San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  CDA4221  Medicago polymorpha L. C. Wheeler 1945-4-17 6016 Los Angeles Los Angeles Basin, near intersection of Slauson and Garfield Ave., [city of Commerce] 3 miles south of Montebello Comment
  LA33776  Medicago polymorpha Peter H. Raven; Henry J. Thompson 1959-5-5 14117 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  RSA640636  Medicago polymorpha L. C. Wheeler 1967-5-15 9602 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  RSA494611  Melianthus major A. C. Sanders 1988-5-18 7817 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Drive, and E of Vista Del Mar Blvd. 1 Comment
  POM204794  Melica imperfecta C. V. Piper 1904-5-16 6816 Los Angeles Laurel Canyon, near Los Angeles Comment
  RSA0084869  Melica imperfecta R. G. Swinney 2010-5-4 12556 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA133750  Melica imperfecta P. H. Raven 1959-4-4 13960 Los Angeles Just east of Zuma Beach, Point Dume 30 Comment
  UCD88055  Melica imperfecta Robert F. Thorne; P. Everett 1965-5-12 34624 Los Angeles Bulrush Canyon, Santa Catalina Island. 243 Comment
  UCR181112  Melica imperfecta R. G. Swinney 1997-4-25 5509 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  UCR193531  Melica stricta R. G. Swinney 1999-6-18 7296 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UC1595448  Melilotus albus Tim Ross 1992-7-10 6664 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  UCR125954  Melilotus albus A. C. Sanders, Mark Elvin 2002-6-19 25146 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
  UCR217710  Melilotus albus A. C. Sanders, Dan S. Cooper 2010-8-5 38545 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  POM348164  Melilotus albus Bonnie C. Templeton 1934-10-13 4811 Los Angeles Los Angeles River Comment
  RSA483728  Melilotus indicus Richard Noyes 1988-4-30 522 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  RSA608715  Melilotus officinalis L. C. Wheeler 1931-3-31 s.n. Los Angeles Huntington's Grove, [Vicinity of Claremont]. Comment
  POM158119  Mentha X smithiana L. R. Abrams 1902-8-26 2978 Los Angeles Ballona Creek, near Mesmer. Comment
  SD69695  Mentha spicata Robert F. Thorne 1966-4-29 36299 Los Angeles Santa Catalina Island: in clear water of stream be in upper Middle Ranch Canyon just below small reservoir. 274 Comment
  OBI28970  Mentzelia affinis David J. Keil 1976-12-12 11885 Los Angeles 5 mi W of San Bernardino Co line along Calif Rte 138 1128 Comment
  SBBG69333  Mentzelia affinis M. N. Ackley 1927-5-8 506 Los Angeles Little Rock 914 Comment
  SD86349  Mentzelia affinis R. Beauchamp, M. Douglas 1972-3-24 3216 Los Angeles West side of canyon, San Clemente Island 99 Comment
  RSA435437  Mentzelia albicaulis Robert Gustafson 1982-4-26 2541 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA0014582  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2011-6-18 5718 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  RSA0035488  Mentzelia dispersa Orlando Mistretta 1989-5-5 s.n. Los Angeles Bouquet Canyon. Comment
  RSA679293  Mentzelia laevicaulis Mark A. Elvin, Anne Marie Ruff 1996-8-1 296 -A Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 1.5mi from gate. Along road cuts on N side. Comment
  JEPS42852  Mentzelia laevicaulis var. laevicaulis F. W. Peirson 1918-6-16 121 Los Angeles San Gabriel Mts., Rock Creek Comment
  RSA446759  Mentzelia micrantha F. R. Fosberg 1931-3-23 4337 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 25 Comment
  UCR272686  Mentzelia micrantha Steven A. Junak 2000-5-18 SCa- 1289 Los Angeles Channel Islands, Santa Catalina Island, west side of Avalon Canyon, overlooking Las Lomas Road, just downslope fom Hogsback Road 91 Comment
  UCR51997  Mentzelia micrantha Steve Boyd, T. S. Elias 1987-4-14 2061 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  UCR99796  Mentzelia micrantha R. G. Swinney 1994-5-12 2845 Los Angeles San Gabriel mtns, Glendora Mtn Road, 2.5 mi north of jct with Big Dalton Canyon Road. south side of road 518 Comment
  JEPS41206  Mentzelia montana Frank W. Peirson 1918-6-12 120 Los Angeles Trail at Mt. Markham San Gabriel Mts., Mt. Markhkam 1645 Comment
  RSA250700  Mentzelia veatchiana Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39481 Los Angeles Mojave Desert: Ca. 2 miles south of Highway 138, 8 miles ESE of Pearblossom on Grandview Canyon Road. 1189 Comment
  RSA666627  Mentzelia veatchiana A. C. Sanders, D. Malueg 1998-6-22 22041 Los Angeles Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
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Apr 10 2008
  SEINET6654143  Mentzelia veatchiana R. G. Swinney 2008-5-8 8781 Los Angeles San Gabriel Mtns, West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co Park. 0.6 mi southwest of Big Rock Creed Rd.; 0 Comment
  UC872444  Mentzelia veatchiana I. W. Clokey, B. C. Templeton 1930-4-8 4651 Los Angeles w Lancaster 400 Comment
  RSA0034485  Mentzelia veatchiana Kim Baird 1972-5-12 s.n. Los Angeles North State Hwy 14. East on Pearblossom Hwy. So. 130rd St. 624 Comment
  CATA2969  Mesembryanthemum crystallinum Amy Catalano 2016-1-27 006 Los Angeles Santa Catalina Island: Mushroom Flats, about 1/8 mile down canyon from Quail Valley 125 Comment
  SBBG70899  Micranthes californica unknown -Jun-1893 Los Angeles Glendale Comment
  UCR153573  Microseris lindleyi A. C. Sanders, T. B. Salvato 2005-4-26 29717 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  POM155735  Microseris lindleyi M. B. Dunkle 1928-4-10 1823 Los Angeles Johnson's Canyon, Santa Catalina Island. 244 Comment
  RSA469890  Microsteris gracilis subsp. gracilis George B. Grant 1904-06 s.n. Los Angeles Pasadena. Comment
  POM34  Mimulus aurantiacus O. W. Robinson 1916-3-15 s.n. Los Angeles Johnson's Pastures. [N of Claremont] Comment
  OBI69387  Mimulus aurantiacus var. aurantiacus Suzan Barth, Steven Korenstein 1994-4-2 8 Los Angeles Santa Susana Mts. Northridge, Palisades Trl Aliso Cyn. 200 m E of Reseda Blvd 150 Comment
  RSA733391  Mimulus aurantiacus var. pubescens R. G. Swinney 2001-6-2 7965 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  LA209123  Mimulus aurantiacus var. puniceus Joseph Dunlavy; 1934-5-4 4483 Los Angeles Santa Catalina Island, S side Santa Catalina Island Comment
  RSA0040125  Mimulus brevipes Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  RSA0058217  Mimulus brevipes R. G. Swinney 2010-6-23 13351 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA783243  Mimulus brevipes J. D. Olmsted 1958-5-1 121 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus. 366 Comment
  RSA678166  Mimulus flemingii Mark A. Elvin, Orlando Mistretta 1996-3-24 125 Los Angeles Eagle Canyon, San Clemente Island Comment
  UC56673  Mimulus fremontii var. fremontii Ernest Braunton May 1902 334 Los Angeles Glendora Comment
  SFV3395  Mimulus guttatus K. A. Wilson 1962-5-12 1274 Los Angeles San Gabriel Mountains Canyon with public campgrounds leading to Devil's Punch Bowl Trail. North slope of San Gabriel Mountains. 1400 Comment
  UC76128  Mimulus guttatus E. D. Palmer 1903-4-30 Los Angeles near Los Angeles Comment
  LA209381  Mimulus guttatus W. R. Ernst; May 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  RSA442751  Mimulus guttatus H. Twining 1906-05 s.n. Los Angeles Echo Park and River. Comment
  JEPS4689  Mimulus johnstonii Rimo Bacigalupi with G. Thomas Robbins and L. R. Heckard 1953-6-16 4210 Los Angeles upper middle reaches Big Rock Creek (n side of mts); San Gabriel Mts., Angeles National Forest 1584 Comment
  SFV16960  Mimulus johnstonii J. N. Hogue, P. Wilson 1997-6-27 87 .3 Los Angeles San Gabriel Mountains Highway 2, mile marker 54.22. Near Camp Valcrest. 1829 Comment
  RSA0056590  Mimulus johnstonii Robert F. Thorne 1971-6-26 40602 Los Angeles San Gabriel Mtns., Angeles National Forest: On summit of Mt. Wilson. 1738 Comment
  RSA228979  Mimulus moschatus Robert F. Thorne 1971-8-25 41318 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip. 2256 Comment
  UCR203201  Mimulus palmeri R. G. Swinney 2005-5-21 8242 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  RSA529919  Mimulus pilosus Tim S. Ross 1991-8-16 5829 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA547463  Mimulus pilosus Tim S. Ross, Orlando Mistretta 1992-7-24 6754 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  RSA0092858  Mimulus puniceus Steven A. Junak 1997-3-28 SCa- 386 Los Angeles Santa Catalina Island: Avalon Canyon, along lower end of Hermit Gulch Trail, just uphill from creek crossing. 137 Comment
  UCR277020  Mimulus rubellus R. G. Swinney 2010-9-30 13923 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  RSA729790  Minuartia douglasii R. G. Swinney 1998-6-16 6977 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  RSA748799  Minuartia nuttallii subsp. gracilis R. G. Swinney 2001-8-9 8012 Los Angeles east peak on Pleasant View Ridge 2504 Comment
  JEPS79934  Mirabilis californica I. W. Clokey and B. C. Templeton 1930-4-8 4685 Los Angeles San Francisquito Canyon 700 Comment
  SBBG54250  Mirabilis californica F. C. Boutin 1967-4-21 1700 Los Angeles coast NW of Eel Pt Comment
  RSA165258  Mirabilis californica var. californica Mark Parratt 1963-4-28 531 Los Angeles Isthmus area, Santa Catalina Island. Comment
  POM155651  Mirabilis laevis var. crassifolia D. Meadows 1928-1-7 317 a Los Angeles Ridge above high school. Avalon, Santa Catalina Island. Comment
  RSA464644  Mirabilis laevis var. crassifolia Bonnie C. Templeton 1968-2-25 11388 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  RSA0027962  Mirabilis laevis var. crassifolia Diane Elliott 1985-5-10 25 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  UC284982  Mirabilis laevis var. villosa P. A. Munz 1923-5-26 6823 Los Angeles Big Rock Creek, San Gabriel Mountains 1280 Comment
  RSA668151  Mirabilis multiflora var. pubescens Michael C. Long, Ian Swift 2001-5-16 MCL- 577 Los Angeles W. Antelope Valley, 229th Street W., 0.5 mi. S. of Hwy 138. (open field west of road). Comment
  RSA611046  Monardella breweri Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Top of ridge north of Punchbowl Canyon. 1479 Comment
  RSA508661  Monardella lanceolata var. lanceolata Gordon Pilone, Mark Parratt 1962-6-24 508 Los Angeles 1 mile W of Topanga Canyon Road on [Robinson?] Road 305 Comment
  RSA401602  Monardella linoides subsp. stricta Anstruther Davidson 1893-7-4 1871 Los Angeles Big Rock Creek. Comment
  UCD134608  Monolopia lanceolata Henry J. Thompson 1959-3-31 1903 Los Angeles Santa Monica Mountains. cornell road 1 mile north of junction with Mulholland Highway, 1.8 miles south of Malibu Junction. 274 Comment
Read comments
Nov 17 2015
  POM211814  Montia stenophylla L. C. Wheeler 1934-2-13 2380 Los Angeles 1 mi. NE Puddingstone Dam (Harwood Hill) San Jose Hills. 351 Comment
  RSA392632  Mucronea californica Anstruther Davidson 1891-06 s.n. Los Angeles Glendale. Comment
  CAS-BOT-BC262699  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1600 Comment
  SBBG128564  Muhlenbergia microsperma M. L. Hoefs, R. Given 1992-4-16 1803 Los Angeles Wild Boar Gully 152 Comment
  SFV22096  Muhlenbergia richardsonis L. Gross, J. G. Tirrell 2011-7-20 5530 Los Angeles San Gabriel Mountains Headwaters of South Fork Big Rock Creek, east of Angeles Crest Highway. Open, sunny slope near spring. 2317 Comment
  RSA305062  Muhlenbergia rigens P. H. Raven, Henry J. Thompson 1960-5-21 s.n. Los Angeles Cornell Corners, Santa Monica Mountains. 244 Comment
  RSA609282  Muilla maritima L. C. Wheeler 1968-5-24 s.n. Los Angeles Smith Mountain along the Bear Creek Trail. 1219 Comment
  SBBG133652  Muilla maritima L. Gross, P. DeVries, O. Gasser 2015-4-7 6959 Los Angeles Arrastre Cyn, near Acton; started at the junction between Arrastre Cyn Rd and Moody Truck Trail; follow the crk and slope beyond where Moody Truck Trail crosses the crk, NE side slope only 807 Comment
  RSA77252  Nama californica F. W. Peirson 1921-6-14 2421 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 1250 Comment
  UC880827  Nama demissa var. demissa I. W. Clokey, B. C. Templeton 1930-4-8 4649 Los Angeles w Lancaster (open field); w of Lancaster 400 Comment
  CHSC95455  Nassella cernua LeRoy Gross; Naomi Fraga, Bill Hogshead 2002-3-21 494 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Sunny southwest facing gentle slope, near the main ridgetop south of Morning Glow. 412 Comment
  POM296907  Nassella lepida Lyman Benson 1945-5-11 11682 Los Angeles Indian Hill, Claremont Comment
  RSA484115  Nassella lepida Anstruther Davidson 1917-06 s.n. Los Angeles Crescenta. Comment
  SFV21456  Nassella lepida L. Gross 2001-5-28 413 Los Angeles Verdugo Mountains Northeast side of mountains. Start from dead end street (Mesa Lila Road) in Verdugo City. Along ridge between Henderson and Engleheard Canyons. 549 Comment
  SEINET12394364 Image available Nassella lepida J. M. Keefe 1977-1 22155 Los Angeles Glendale, Verdugo Mountains, trail to Water Caves, south fork Engleheard Canyon, 1 km south of camp Max Straus 400 Comment
  RSA484127  Nassella pulchra M. B. Dunkle 1928-3-31 1786 Los Angeles Cottonwood Canyon, Santa Catalina Island Comment
  SBBG95225  Nassella pulchra M. B. Dunkle 1928-3-31 1780 Los Angeles Little Harbor Comment
  RSA703496  Navarretia Scott D. White, Michael Honer 2004-6-24 10484 -B Los Angeles Pomona Valley / San Gabriel Mtn Foothills: City of Claremont; San Antonio Canyon alluvial fan, north of Baseline Ave. and west of concrete-lined flood control channel. 488 Comment
  RSA469885  Navarretia atractyloides var. hamata Geo L. Moxley 1915-6-14 348 Los Angeles Vacant lot of E. Ave. 54 nr. Arroyo Seco, Los Angeles Comment
  UC372850  Nemacladus orientalis Marcus E. Jones, A. M. Aug 1884 Los Angeles Los Angeles Comment
  RSA0040382  Nemacladus secundiflorus R. G. Swinney 2010-5-11 12656 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  RSA439271  Nemacladus sigmoideus Robert Gustafson 1982-4-26 2028 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St 1006 Comment
  UC1409080  Nemacladus sigmoideus Robert F. Thorne 1973-5-11 43511 Los Angeles n of Shoemaker Canyon (betwen Mile High and Valyermo); San Gabriel Mts. 1341 Comment
  POM50138  Nemacladus sigmoideus L. R. Abrams 1901-6-10 1899 Los Angeles Wilson's Peak Comment
  RSA570348  Nemophila menziesii var. integrifolia Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4951 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA156323  Nemophila menziesii var. integrifolia L. R. Abrams 1902-7-1 2614 Los Angeles Little Santa Anita Canyon 914 Comment
  RSA595452  Nemophila menziesii var. menziesii Tim S. Ross, Victor W. Steinmann 1995-5-8 8570 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA612803  Nerium oleander L. C. Wheeler 1946-11-28 6444 Los Angeles About 2 miles north of Claremont: Mahon School, Padua Avenue. Comment
  POM307173  Nicotiana glauca Henry J. Ramsey, Henry J. Ramsey 1937-8-29 2097 Los Angeles Altadena. 396 Comment
  RSA0083314  Nicotiana glauca R. G. Swinney 2010-3-22 12025 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA611983  Nicotiana glauca Valerie L. Soza, Laura Moore 1997-8-16 60 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. [Coordinates given are] at center of BFS; ca. 10 feet east of fire road. 412 Comment
  RSA80765  Nicotiana glauca F. W. Peirson 1920-4-25 352 Los Angeles Arroyo Seco Canyon, near Pasadena, Ca. 381 Comment
  RSA686407  Notholaena californica L. C. Wheeler 1932-6-26 878 Los Angeles San Gabriel Canyon 304 Comment
  SD167074  Oenothera californica subsp. californica Anuja Parikh, Nathan Gale 2004-6-22 2063 Los Angeles Northeast end of Santa Susana Mountains/Santa Clara River Valley: Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur. 259 Comment
  UC1273560  Oenothera californica subsp. californica W. M. Klein 1958-6-12 476 Los Angeles 23.2 mi n Castaic (on US 99 to Los Angeles) Comment
  UC129099  Oenothera deltoides subsp. cognata H. M. Hall and H. P. Chandler 1906-6-11 7386 Los Angeles near Lancaster Comment
  UC1043492  Oenothera elata subsp. hirsutissima E. K. Balls 1954-8-19 19770 Los Angeles Blk 13-24 Claremont, Botanic Garden (near lower pool) Comment
  UCR190089  Oenothera elata subsp. hookeri R. G. Swinney 1998-7-24 6564 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR205658  Oenothera laciniata A. C. Sanders, T. B. Salvato 2009-5-20 36871 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
  UCR23469  Oenothera rosea Alfred R. Roos 1958-6-17 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  RSA779451  Opuntia basilaris var. brachyclada R. G. Swinney 2009-6-17 11223 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  POM321011  Opuntia guerrana Lyman Benson, L. Scheinvar 1975-2-16 LS- 1660 Los Angeles La Verne. Comment
  RSA458971  Oreonana vestita F. R. Fosberg, Mildred Mathias 1931-6-23 752 Los Angeles Summit of Mt. San Antonio. 3030 Comment
  RSA647867  Orobanche bulbosa LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 239 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 716 Comment
  CAS-BOT-BC502624  Orobanche bulbosa A. J. McClatchie 1893-9-13 s.n. Los Angeles Catalina Comment
  VVC2463  Orobanche vallicola Tim Thomas 1986-7-8 940 Los Angeles Santa Monica Mtns., Charmlee Park; just south of picnic area. 421 Comment
  CAS-BOT-BC502946  Orobanche vallicola D. L. Crawford 1916-7-8 547 Los Angeles Claremont: Blanchard Park Comment
  RSA402064  Orthocarpus purpurascens Howard Mullins 1931-4-11 s.n. Los Angeles L. A. County Park. Comment
  CAS-BOT-BC6999  Orthocarpus purpurascens var. pallidus George Bernard Grant 1902-4-1 886 Los Angeles Lincoln Park, near Pasadena Comment
  CAS-BOT-BC355756  Osmadenia tenella Alice Eastwood 1906-5-27 11 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  RSA748655  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2009-5-6 12633 Los Angeles San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  RSA458989  Osmorhiza brachypoda Donald R. Bissing 1973-6-2 167 Los Angeles Evey Canyon, San Gabriel Mountains. On NE face of canyon wall in open shady area 1.0 mile from canyon mouth 854 Comment
  RSA0085299  Oxalis pes-caprae R. G. Swinney 2010-3-16 11929 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
  RSA162826  Oxalis rubra J. D. Olmsted 1959-3-23 309 Los Angeles Blanchard Park on Pomona College campus by area catching runoff from sprinkling system-common weed. San Antonio wash. 366 Comment
  RSA776525  Oxytheca parishii var. parishii Jane Tirrell 2011-7-25 LS- 32 Los Angeles On crest of ridge approximately 0.5 mile east of Windy Gap. 2426 Comment
  CAS-BOT-BC318201  Packera breweri Harvey Monroe Hall 1905-6-16 6262 Los Angeles Tyon Pass. 1280 Comment
  RSA126748  Packera breweri P. H. Raven 1959-5-1 14051 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virenes Rd. 274 Comment
  UC519909  Packera breweri Carl Epling and Louise Wheeler 1933-6-4 1848 Los Angeles near Quail Lake; Sandberg 1310 Comment
  UC68955  Packera breweri H. M. Hall 1905-6-16 6262 Los Angeles Tejon Pass 1280 Comment
  RSA473028  Packera ionophylla Anstruther Davidson 1893-7-6 s.n. Los Angeles Big Rock Creek 1371 Comment
  RSA0087853  Paeonia californica R. G. Swinney 2010-3-13 11884 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA562905  Panicum capillare Gary D. Wallace 1979-5-2 1837 Los Angeles Arcadia: Vacant lot, SW corner of Baldwin Ave. and Foothill Blvd. Comment
  SEINET13387011 Image available Panicum capillare R. G. Swinney 2011-1 15382 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  RSA656163  Papaver Joseph M. Keefe 1978-4-9 22600 A Los Angeles Verdugo Mountains: Southwest corner of Verdugo Road, 1600 block, west of Glendale College, Glendale. 183 Comment
  PASA50  Parietaria floridana Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA660797  Parietaria hespera var. hespera LeRoy Gross, Valerie Soza 2001-6-6 432 Los Angeles Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 701 Comment
  RSA616859  Parietaria hespera var. hespera Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Just west of Bluebird Truck Trail. 473 Comment
  UC1922064  Parthenocissus inserta Scott D. White, A. Warniment 2006-7-18 11635 Los Angeles SE TEHACHAPI MTNS.: Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway. Comment
  UCR125164  Paspalum distichum A. C. Sanders, Mark Elvin 2002-6-25 25285 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  SEINET255569 Image available Paspalum vaginatum C. Wishner, A. Gale, 2005-8-12 Los Angeles Santa Monica Mountains, Malibu Lagoon State Bench. 3 Comment
  UCR204906  Paspalum vaginatum R. E. Riefner Jr. 2006-7-29 06- 327 Los Angeles South Coast, city of Carson, near Victoria Park, Dominguez Channel at Del Amo Blvd. 7 Comment
  RSA682514  Pectocarya anisocarpa Scott D. White, Michael Honer 2003-5-7 9187 Los Angeles South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  UCR177280  Pectocarya anisocarpa Scott D. White, Michael Honer 2003-5-7 9210 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  RSA158838  Pectocarya linearis subsp. ferocula P. H. Raven 1962-5-9 17707 Los Angeles Just north of Gray, San Clemente Island 427 Comment
  JEPS68199  Pectocarya penicillata W. L. Jepson 1939-4-21 19233 Los Angeles Fairmont Mojave Desert, Fairmont 847 Comment
  UC440374  Pectocarya penicillata Carl Epling, Lincoln Ellison, Harvey Anderson 1930-4-17 Los Angeles Mojave Desert, Lancaster Comment
  RSA549538  Pectocarya penicillata T. S. Ross 1992-4-27 6242 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  RSA599609  Pectocarya setosa Steve Boyd, Lauren Raz 1997-4-16 9503 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  UCR190792  Pectocarya setosa R. G. Swinney 2001-4-18 7924 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  RSA654215  Pedicularis semibarbata Valerie L. Soza, LeRoy Gross 2000-5-23 953 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
  UCR190914  Pedicularis semibarbata R. G. Swinney 1998-7-2 6249 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  SEINET13276779 Image available Pellaea andromedifolia R. G. Swinney 2011-1 14495 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UC812330  Pellaea andromedifolia F. R. Fosberg 1931-4-1 R 83 Los Angeles near Avalon (Hamilton Canyon); Santa Catalina Isl 60 Comment
  POM150502  Pellaea andromedifolia P. H. Raven 1962-4-11 17304 Los Angeles 1 miles south of Wilson Cove, San Clemente Island 122 Comment
  CAS-BOT-BC71340  Pellaea mucronata Peter H. Raven; Henry J. Thompson 1959-4-3 13912 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway 548 Comment
  POM22838  Pellaea mucronata var. mucronata D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Topango Canyon, Santa Monica Mountains Comment
  UCR49210  Penstemon X parishii Kathy Harper 1987-5-2 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy, between Las Virgenes Valley Overlook and Yerba Buena Rd. At overlook Comment
  UCR202738  Penstemon caesius R. G. Swinney 2001-8-27 8100 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  RSA585913  Penstemon centranthifolius Tim S. Ross 1990-5-17 2566 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA660506  Penstemon centranthifolius Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 4 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  SD13115  Penstemon centranthifolius Edith A. Purer 1935-5-11 6573 Los Angeles Dry hillside, east of Malibou Lake Comment
  SEINET13276826 Image available Penstemon grinnellii R. G. Swinney 2011-1 15753 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  JEPS23214  Penstemon grinnellii var. grinnellii Rimo Bacigalupi with Reino Alava 1958-7-20 6427 Los Angeles along Angeles Crest Highway (State Highway 2) (along nw shoulder of Mt. Islip watershed of South Fork of Big Rock Creek); San Gabriel Mountains, Angeles National Forest 2164 Comment
  SBBG25466  Penstemon heterophyllus M. Vincent 1961-5-10 45 Los Angeles Malibu Cyn Rd 0.25 mi N of Tapia Park Comment
  UCR124431  Penstemon heterophyllus subsp. australis I. W. Clokey, B. C. Templeton 1929-1 4522 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA408095  Penstemon heterophyllus var. australis Unspecified 1945-06 s.n. Los Angeles Seminole Hot Springs. Comment
  RSA408100  Penstemon heterophyllus var. australis L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  SBBG54519  Penstemon heterophyllus var. australis F. W. Pennell 1940-4-18 25139 Los Angeles slope E of Frenchman's Flat Comment
  RSA250516  Penstemon rostriflorus Robert F. Thorne, John Dourley 1967-10-10 37368 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.5 miles east of Dawson Saddle. 2348 Comment
  UCR209683  Penstemon spectabilis Dan S. Cooper 2009-5-13 509- 30 Los Angeles Eastern Santa Monica Mtns., Los Angeles, Griffith Park, along Mulholland Hwy. above Brush Canyon 363 Comment
  RSA0072132  Penstemon spectabilis Carol Frazier 1966-5-10 23 Los Angeles San Rafael Hills. 213 Comment
  RSA191947  Pentachaeta lyonii Henry Mudd 1963-06 s.n. Los Angeles Saddle Rock Ranch Comment
  RSA0008517  Pentachaeta lyonii F. W. Peirson 1908-4-18 1223 Los Angeles Point Fermin. Comment
  RSA0070817  Pentagramma triangularis T. S. Ross, Steve Boyd 1990-5-31 2742 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA0062903  Pentagramma triangularis T. S. Ross 1991-3-24 4296 Los Angeles Whittier Hills (Puente Hills, pro parte): Small canyon that drains northward to Turnbull Canyon from the NW side of Workman Hill. 341 Comment
  LA3431  Pentagramma triangularis subsp. triangularis A. M. Johnson; 1928-2-16 51 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  UCSB62243  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-6-11 Los Angeles San Gabriel Mtns., Bichota Cyn. ca. 1 1/2 mi. from confluence with San Gabriel River 853 Comment
  CAS-BOT-BC217829  Perideridia pringlei W. R. Dudley; F. H. Lamb 1896-6-9 4428 Los Angeles Liebre Mountains Comment
  UCR99485  Perideridia pringlei Steve Boyd, Lauren Raz 1997-5-29 9908 Los Angeles San Gabriel Mtns., Portal Ridge, north of the San Andreas rift zone, in Cow Spring drainage along Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  RSA526530  Perityle emoryi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4268 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UC485144  Perityle emoryi G. B. Grant 1906-9-1 7167 Los Angeles Santa Catalina Island Comment
  UCR76424  Perityle emoryi T. S. Ross 1992-4-14 6173 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  RSA471856  Perityle emoryi E. C. Jaeger 1921-4-7 s.n. Los Angeles Palm Springs. Comment
  RSA574346  Phacelia brachyloba R. G. Swinney 1994-5-12 2842 Los Angeles Glendora Mountain Rd., 2.5 mi. N of jct with Big Dalton Canyon Rd. 518 Comment
  RSA11007  Phacelia cicutaria var. hispida Carl B. Wolf 1928-4-1 1622 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  UCD120316  Phacelia cicutaria var. hispida Daryl Koutnik 1978-4-14 351 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  UCR271886  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-28 12415 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
  UCR272839  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-31 14937 B 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
  UCR85811  Phacelia cicutaria var. hispida T. S. Ross, Annette Ross 1991-6-3 5543 Los Angeles San Gabriel Valley, Elephant Hill, west Pomona 305 Comment
  UCR88701  Phacelia cicutaria var. hispida Scott D. White, Chet McGaugh 1995-5-9 2980 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
  RSA427658  Phacelia cicutaria var. hispida L. E. Hoffman 1930-5-13 s.n. Los Angeles Arroyo Seco Comment
  RSA611770  Phacelia cicutaria var. hispida Louis C. Wheeler 1934-4-24 2557 Los Angeles Liveoak Canyon Dam 457 Comment
  SDSU6641  Phacelia cicutaria var. hispida Gerald Collier 1951-4-15 M 409 Los Angeles simi hills. one mile inside en trance of north American testing grounds about 3 miles N.E of Chatts Worth Lake. Grassy Slope. Comment
  UCSB33703  Phacelia curvipes Griesel, Wesley 1962-6-6 Los Angeles Trail from Charlton Flats of Chilao, San Gabriel Mts. 1524 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
  LA38567  Phacelia distans Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA426227  Phacelia distans Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  POM9662  Phacelia distans P. A. Munz 1920-2-24 3241 Los Angeles 3 miles north of Claremont. 427 Comment
  RSA3780  Phacelia distans L. R. Abrams 1901-03 1178 Los Angeles Tennel near San Fernando Valley. Comment
  SD113330  Phacelia douglasii Darley F. Howe 1948-5-2 1780 Los Angeles Desert side of Angeles Crest Highway. 1584 Comment
  JEPS21170  Phacelia fremontii A. D. Gifford 1935-3-27 516 Los Angeles 2 3/4 mi nne Sawmill Peak; Tejon Quadrangle 1219 Comment
  UCR258947  Phacelia fremontii R. G. Swinney 2010-5-11 12698 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR273126  Phacelia grandiflora R. G. Swinney 2011-4-26 14511 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UCR127407  Phacelia imbricata A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25575 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  RSA729812  Phacelia imbricata subsp. patula R. G. Swinney 1998-6-10 6381 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA428045  Phacelia longipes Geo. L. Moxley 1915-7-4 364 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  SBBG54435  Phacelia longipes J. T. Howell 1928-6-10 3889 Los Angeles Fish Cyn Comment
  CATA1543  Phacelia lyonii Mark L. Hoefs, Steven A. Junak 1997-6-4 2771 Los Angeles Santa Catalina Island: End of road, past Empire Landing quarry 30 Comment
  SBBG93598  Phacelia lyonii M. B. Dunkle 1928-5-12 1929 Los Angeles Empire Landing, along old rd Comment
  UC1375364  Phacelia lyonii C. Davidson 1971-5-8 1532 Los Angeles White's Landing Catalina Island Comment
  SD253474  Phacelia minor R. G. Swinney 2010-4-13 12193 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5'Q) 561 Comment
  UCD120576  Phacelia minor Gordon Pilone 1960-5-24 49 Los Angeles Wash area Pomona College in Claremont. 365 Comment
  SBBG25236  Phacelia minor Leota Davidson 1966-3-9 307 Los Angeles Tick Cyn off Soledad Cyn; about 1 mi back from head of cyn Comment
  UCR218006  Phacelia ramosissima A. C. Sanders, Dan S. Cooper 2010-8-5 38584 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA319219  Phacelia ramosissima var. austrolitoralis T. S. Elias, Walter Wisura 1984-7-25 8524 Los Angeles North of Malibu; Point Dume. Comment
  RSA428164  Phacelia ramosissima var. austrolitoralis Tom Burch 1940-04 s.n. Los Angeles Redondo Beach. Comment
  UC1002525  Phacelia ramosissima var. austrolitoralis A. M. Johnson 1933-5-17 4278 Los Angeles dunes El Segundo Comment
  CHSC731  Phacelia tanacetifolia E. Thomas 1941-3-30 Los Angeles Claremont. Comment
  RSA738063  Phacelia tanacetifolia Fran Dourisboure 1966-5-10 2 Los Angeles San Rafael Hills. 213 Comment
  RSA763657  Phacelia tanacetifolia Doris Bowers 1974-4-4 2169 Los Angeles Slope below Vista Grande School, Palos Verdes Pen. 244 Comment
  RSA781094  Phacelia tanacetifolia Sandy Leatherman, Pam DeVries 2011-4-27 2011 -5 Los Angeles Transverse Ranges; Liebre Mountains Region: 500 meters east of Haskell Canyon and 870 meters north of Copper Hill Dr. on Edison access road 543 Comment
  UCSB5428  Phacelia tanacetifolia Broder, Richard 1958-03 Los Angeles 21 miles NW on US 138 from junction with US 395 Comment
  CLARK-A1528-5109  Phacelia viscida John C. Roos 1937-7-7 404 Los Angeles La Crescenta 478 Comment
  RSA158310  Phalaris minor P. H. Raven 1962-4-11 17302 Los Angeles Northwest end of island between Driggs and West Rock, San Clemente Island 15 Comment
  RSA623860  Phalaris minor K. Scott 1921-5-12 s.n. Los Angeles Lincoln Ave, Pasadena Comment
  UCR88668  Phalaris minor Scott D. White, Chet McGaugh 1995-5-9 2986 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
  RSA724987  Phalaris paradoxa K. Dobry 1991-6-13 d- 863 Los Angeles Thousand Oaks Simi Hills on slopes of Metclef ridge. 1/2 mi N. of Olsen Rd off Moorpark Rd. Comment
  UC1964694  Phlebodium aureum R. E. Riefner Jr. 2015-12-13 15 -469 Los Angeles City of Malibu, Eastern Malibu, N side Pacific Coast Highway at Carbon Mesa Road W of Carbon Canyon Road. Comment
  RSA0044609  Phlox gracilis A. C. Sanders 2007-4-19 33422 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  CAS-BOT-BC219548  Pholisma arenarium Dr. H. E. Hasse 1899-1-1 s.n. Los Angeles Near Santa Monica Comment
  UCD120597  Pholistoma auritum Beth Greenhalgh 1993-4-14 30 Los Angeles Santa Monica Mtns., Kanan Cyn., Malibu, beginning of trail 100 ft. north of south tunnel on Kanan Rd. 457 Comment
  RSA0119001  Pholistoma membranaceum A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33527 Los Angeles Western Transverse Range; Liebre Mtns. Region: south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch. 945 Comment
  UCR95768  Pholistoma membranaceum L. C. Wheeler 1967-5-12 9490 Los Angeles San Gabriel Mtns., Ravine south of summit 4174, east of Vincent 1250 Comment
  SBBG78975  Pholistoma racemosum F. R. Fosberg 1931-3-23 4333 Los Angeles Hamilton Cyn 75 Comment
  SD51877  Pholistoma racemosum Peter H. Raven 1962-4-9 17148 Los Angeles San Clemente Island. Wilson Cove, on grassy slopes near barracks. 60 Comment
  RSA628625  Pholistoma racemosum Steven A. Junak 1997-3-11 sc 755 Los Angeles San Clemente Island: Extreme SE end of Island, in W fork of small canyon SSE of Triangulation Station Guds ca. 0.4 miles SSE of Guds on E side of Sibara Ridge 91 Comment
  SEINET4044599 Image available Picris echioides D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 1910 meters from coast. 22 slope, aspect 220. 198 Comment
  UCR277100  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-23 13888 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  SFV18303  Pinus coulteri J. N. Hogue 2002-7-21 179 2 Los Angeles San Gabriel Mountains Angeles National Forest, Camp Eaton (= Camp Cumorah Crest), 3 km NE of Newcomb Ranch. 1860 Comment
  RSA250397  Pinus flexilis Robert F. Thorne, J. Dourley 1967-10-3 37289 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  RSA0048537  Pinus jeffreyi J. Harris 1977-5-30 5 Los Angeles Angeles Crest Highway, Kartka Ridge. 2590 Comment
  UCR190109  Pinus lambertiana R. G. Swinney 1998-8-27 6791 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UC167  Pinus monophylla H. M. Hall Jun 3 1900-Jun 6 1900 Los Angeles Lone Pine Canyon San Antonio Mountains, Lone Pine Canyon 1524 Comment
  UCR178045  Pinus pinea LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1063 Los Angeles Verdugo Mountains, North side of the mountains, south of Hostetter Motorway just off La Tuna Canyon Road, south of the 210 Fwy 564 Comment
  RSA0105688  Piperia elongata Sarah Ratay, T. Dvorak 2010-7-1 125 Los Angeles Santa Catalina Island. Blackjack/Cape Road. 422 Comment
  UCR209951  Piptatherum miliaceum R. G. Swinney 2008-7-12 9174 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  CSUSB1123  Pityrogramma triangularis Keith Thompson 1969-12-13 s.n. Los Angeles Evey Canyon 731 Comment
  UCR122608  Plagiobothrys arizonicus George K. Helmkamp, E. A. Helmkamp 1998-5-21 4043 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  IRVC29650  Plagiobothrys canescens A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26227 Los Angeles Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property Western San Gabriel Mtns. 351 Comment
  UC76142  Plagiobothrys canescens Geo. B. Grant 996 Los Angeles Eagle Rock Canyon, So. California Eagle Rock Canyon Comment
  SBBG18706  Plagiobothrys collinus var. gracilis E. R. Blakley 1963-4-10 5587 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  SBBG98682  Plagiobothrys collinus var. gracilis T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5176 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  SBBG31261  Plantago coronopus R. F. Thorne 1965-5-11 34662 Los Angeles Picnic Ground 426 Comment
  POM243769  Plantago erecta F. R. Fosberg 1931-4-16 S- 4659 Los Angeles Bulrush Ridge, Santa Catalina Island. 200 Comment
  SEINET3161440  Plantago erecta G. B. Grant 1906-4-2 1104 Los Angeles Altadena Comment
  RSA401982  Plantago erecta Louis C. Wheeler 1932-4-1 544 Los Angeles San Jose Hills at Pomona 305 Comment
  RSA402027A  Plantago erecta Robert Gustafson, Christopher Davidson 1977-4-20 410 Los Angeles Escondido Cyn. Road, about 1 mi NE of junction with Agua Dulce Cyn. Road. 762 Comment
  RSA164773  Plantago lanceolata R. M. Straw 1956-10-18 954 Los Angeles Weed along sidewalks; Pasadena Comment
  UCR95322  Plantago lanceolata L. C. Wheeler 1967-4-8 9177 Los Angeles San Gabriel Mtns., San Gabriel Canyon, El Encanto 259 Comment
  RSA187857  Plantago major Robert F. Thorne 1966-6-1 36485 Los Angeles Santa Catalina Island: site of razed St. Catherine's Hotel, N of Avalon. 5 Comment
  SD251773  Plantago ovata M. B. Dunkle 1939-4-5 7269 Los Angeles San Clemente Island: China Point. Comment
  SD814  Platanthera dilatata var. leucostachys Ruth B. Randall Jul 1924 Los Angeles San Gabriel Canyon. Comment
  LA200743  Platanus racemosa Carl Epling; 1930-4-10 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA743528  Platanus racemosa Sara L. Crockett 1997-2-19 C 62 Los Angeles Santa Catalina Island. 0.2 mile NE of Wrigley Botanical Garden (toward Avalon) on Avalon Canyon Road; Hermit Gulch campground. 107 Comment
  SD253523  Platanus racemosa R. G. Swinney 2011-10-27 15913 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 meters east of entrance gate to Cogswell Dam, between FSR 2N25 and the stream. 648 Comment
  UC527602  Platanus racemosa C. B. Wolf 1931-6-25 2234 Los Angeles wash sw Los Angeles Botanic Garden (along Beverley Blvd. (Mandeville Canyon)) 60 Comment
  UCD143186  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
  RSA0049938  Platystemon californicus R. G. Swinney 2010-5-12 12745 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA445699  Platystemon californicus Jennie Alberts 1884-3-22 s.n. Los Angeles W of Los Angeles Comment
  SBBG127979  Poa annua M. L. Hoefs, S. A. Junak 1996-5-1 2691 Los Angeles Haypress Reservoir, at cmpgrd 384 Comment
  LA200954  Poa annua Harlan Lewis; 1941-3-19 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  RSA484216  Poa secunda Anstruther Davidson 1890-1 s.n Los Angeles Los Angeles Comment
  RSA586348  Poa secunda Orlando Mistretta 1995-3-17 1551 Los Angeles Slopes southwest of Little Rock reservoir. On Emma section of Little Rock Creek Management Unit. 1219 Comment
  RSA757054  Poa secunda R. G. Swinney 2008-6-17 9061 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCD90314  Poa secunda A. A. Beetle 1942-4-24 3213 Los Angeles 6 miles W of Llano. Comment
  CAS-BOT-BC236205  Poa secunda subsp. secunda L. R. A. 1901-4-1 1262 Los Angeles Santa Monica Mountains Comment
  RSA639571  Poa secunda subsp. secunda L. C. Wheeler 1967-5-23 9676 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  SBBG56796  Poa secunda subsp. secunda R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SD113386  Polycarpon tetraphyllum Darley F. Howe 1956-5-19 2539 Los Angeles Lawn at University of California Los Angeles. Comment
  RSA177685  Polygonum aviculare subsp. aviculare Robert F. Thorne, Percy C. Everett 1965-5-10 34458 Los Angeles Black Jack Mt., few hundred feet below summit; Santa Catalina Island 488 Comment
  RSA464410  Polygonum aviculare subsp. aviculare E. Crow 1928-3-21 275 Los Angeles Claremont. Comment
  RSA66323  Polygonum lapathifolium F. W. Peirson 1923-10-10 4160 Los Angeles Santa Clara River at crossing north of Saugus. Comment
  RSA592515  Polypodium californicum Mark Hoefs 1973-3-13 71 Los Angeles Santa Catalina Island: upper Avalon Canyon, west of Memorial. 259 Comment
  SDSU3573  Polypodium californicum J. Godsil 1952-4-28 218 Los Angeles Little Dalton Canyon, above Geendora, 366 Comment
  UC1215283  Polypodium californicum Peter H. Raven 1962-4-12 17341 Los Angeles Wilson Cove; San Clemente Isl. 76 Comment
  UCR1105  Polypodium californicum Shirley Ward 1957-4-21 s.n. Los Angeles San Gabriel Mtns., Monrovia Canyon, 1/2 mile from waterfalls 610 Comment
  RSA689899  Polypodium californicum I. M. Johnston, Clare De Forest 1925-5-16 s.n. Los Angeles Hollywood Mountain Comment
  SBBG132076  Polypodium californicum S. A. Junak, B. Collins 1991-4-25 SCI 215 Los Angeles Middle Ranch Cyn, just downstream from cement dam 463 Comment
  UCSB62354  Polypodium californicum Kiefer, Lawrence 1967-4-16 Los Angeles San Gabriel Mtns., N of Monrovia, Big Santa Anita Canyon, ca. 1mi above Big Santa Anita Dam 457 Comment
  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
  CATA1385  Polypogon monspeliensis Mark L. Hoefs 1995-9-7 2515 Los Angeles Santa Catalina Island: Upper Avalon Canyon near Wrigley Garden, southeast side [Rattlesnake Canyon] 144 Comment
  RSA755579  Polypogon monspeliensis R. G. Swinney 2008-7-12 9168 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  SEINET10927108  Polypogon monspeliensis Joseph A. Ewan 1931-7-5 Ewan 4745 Los Angeles Wet sand of open stream bank, 1 mile above Buena Vista trail Jct. 914 Comment
  RSA191376  Polypogon viridis R. F. Thorne, M. Z. Thorne 1967-7-19 37138 Los Angeles San Gabriel Mountains, Angeles National Forest, Crystal Lake Recreation Area; above junction of roads to Crystal Lake and Angeles Crest Highway 1555 Comment
  RSA385486  Polypogon viridis Edwin Kline 1924-5-20 s.n. Los Angeles Los Angeles. Comment
  SEINET3152574  Polystichum imbricans subsp. curtum G. B. Grant, W. Wheeler 1904-5-17 1032 /6236 Los Angeles Pasadena: Mt. Wilson 1676 Comment
  RSA549134  Polystichum imbricans subsp. imbricans T. S. Ross 1992-7-16 6709 Los Angeles San Gabriel Mts: NE slope of Condor Peak on granitic substrate; 88 degrees E, 195m distant from summit 1557 Comment
  LA52079  Populus trichocarpa A. M. Johnson; 1932-5-30 4099 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  CAS-BOT-BC267152  Potamogeton foliosus A. D. E. Elmer 1902-6-1 3503 Los Angeles Lancaster Comment
  CAS-BOT-BC453703  Potamogeton illinoensis Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3822 Los Angeles San Gabriel Mountains. Vicinity of Crystal Lake 1700 Comment
  POM11428  Prunus emarginata Philip A. Munz 1921-6-17 4606 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  RSA699567  Prunus emarginata LeRoy Gross, Paul Morton 2004-6-9 1350 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1727 Comment
  RSA586998  Prunus fasciculata var. fasciculata Orlando Mistretta 1992-5-8 298 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  IRVC28590  Prunus ilicifolia subsp. ilicifolia A. C. Sanders, Mark Elvin 2002-6-19 25187 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  SBBG19178  Prunus ilicifolia subsp. lyonii M. A. Piehl 1963-12-8 631089 Los Angeles 0.25 mi from mouth of Cave Cyn 9 Comment
  UCR65554  Prunus lyonii Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 796- 11 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  CAS-BOT-BC159727  Prunus occidentalis Geo. B. Grant 1901-4-1 1045 Los Angeles Santa Catalina Isl. Comment
  RSA578644  Prunus virginiana var. demissa Tim S. Ross 1994-4-28 7568 Los Angeles Grass Mountain: northeast summit (ca 4560 ft) 1387 Comment
  POM358732  Pseudognaphalium biolettii C. B. Liter, J. A. Powell 1928-4-2 s.n. Los Angeles Santa Catalina Island. NW of Avalon. Comment
  RSA0101274  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14139 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA188215  Pseudognaphalium biolettii R. F. Thorne, P. Everett 1965-6-22 34873 Los Angeles Santa Catalina Island: canyon behind Bird Park 91 Comment
  UC468782  Pseudognaphalium biolettii C. F. Millspaugh 1920-1-12 4584 Los Angeles Wishbone Santa Catalina Island, Wishbone Comment
  UCR273540  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14139 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  SD69729  Pseudognaphalium californicum Robert F. Thorne 1966-4-29 36322 Los Angeles Santa Catalina Island, below road to White's Landing above turnoff to Echo Lake 409 Comment
  UC1594375  Pseudognaphalium californicum Tim Ross 1992-4-16 6207 Los Angeles 291 degrees wnw 725 m distant from summit of 1603 ft peak above Stone field station (central part of San Clemente Island on upland grassland); San Clemente Island 416 Comment
  UC485717  Pseudognaphalium microcephalum Minnie Reed 1895-8-3 Los Angeles Pomona Comment
  CAS-BOT-BC357295  Pseudognaphalium microcephalum John I. Carlson 1918-4-24 s.n. Los Angeles Country adjacent to Los Angeles. Hollywood Comment
  LA32052  Pseudognaphalium ramosissimum Peter H. Raven; Henry J. Thompson 1958-9-19 13722 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2 mi E of turnoff to Zuma Beach on US 101 [now Pacific Coast Hwy, US 1] 45 Comment
  UC63251  Pseudognaphalium ramosissimum Geo. B. Grant 1902-8-1 5056 Los Angeles Pasadena 304 Comment
  SBBG122106  Psilocarphus brevissimus var. brevissimus A. Parikh, N. Gale 2003-5-24 740 Los Angeles Plum Cyn, 1.6 km SW of Cruzan Mesa, 2.8 km W of Sierra Hwy 570 Comment
  CDA4002  Psoralea bituminosa Wesley O. Griesel 1961-4-11 Los Angeles San Gabriel Mountains: Millard Canyon. Comment
  LA94237  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-5-7 1997 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, ca 0.5 mi above the dam. 182 Comment
  RSA690874  Pteridium aquilinum var. pubescens Blanche Trask 1903-08 s.n. Los Angeles Avalon, Catalina Island. Comment
  RSA85046  Pteridium aquilinum var. pubescens F. W. Peirson 1923-5-21 3510 Los Angeles Fish Canyon, south base of San Gabriel Mountains 762 Comment
  RSA229100  Pterospora andromedea R. F. Thorne 1969-7-29 38872 Los Angeles Near Lodgepole Picnic ground at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Hwy., 1.2 mi. SE of Dawson saddle. 2332 Comment
  UCR205177  Pterostegia drymarioides R. G. Swinney 2008-4-10 8637 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  SDSU9683  Pterostegia drymarioides Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, San Gabriel Mtns. Chantry Flats Trail about 1/2 way from canyon floor. Comment
  UCR162508  Pulicaria paludosa Anuja Parikh, Nathan Gale 2004-9-9 2094 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  CAS-BOT-BC158665  Purshia tridentata var. glandulosa Robert F. Thorne; C. W. Tilforth 1973-4-20 43029 Los Angeles Ridge N of Shoemaker Cnayon, 3 mi WNW of Mile High & c. 1.5 mi E of Big Rock Springs, Mojave Desert slopes - San Gabriel Mountains 1371 Comment
  OBI10034  Purshia tridentata var. glandulosa Donald Alpert 1962-4-14 s.n. Los Angeles LIttle Rock Dam 1128 Comment
  RSA451424  Purshia tridentata var. glandulosa Howard Mullins 1931-4-1 s.n. Los Angeles 10 miles S.E. of Palmdale. Comment
  RSA710330  Purshia tridentata var. glandulosa LeRoy Gross 2005-5-3 2196 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA729717  Purshia tridentata var. glandulosa R. G. Swinney 1999-6-18 7318 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  POM244224  Quercus X macdonaldii F. R. Fosberg 1931-12-10 7152 Los Angeles Pebble [Pebbly] Beach Canyon left fork Santa Catalina Island. 40 Comment
  RSA670799  Quercus agrifolia var. agrifolia Joseph M. Keefe 2001-3-13 31090 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042 256 Comment
  UCSB34689  Quercus berberidifolia Nixon, Kevin; Hendon, Emily 1980-5-25 Los Angeles County road N2, Lake Hughes; 7.7 miles southeast of Calif. Hwy 138 (at 3 points rd.) Comment
  CAS-BOT-BC62533  Quercus chrysolepis Louis C. Wheeler 1931-11-8 339 Los Angeles San Antonio Canyon, San Gabriel Mts. 944 Comment
  CAS-BOT-BC86225  Quercus dumosa Reid Moran 1941-3-14 707 Los Angeles By creek, Middle Ranch, Santa Catalina Island 200 Comment
  CAS-BOT-BC86368  Quercus dumosa C. B. Wolf 1931-10-20 2467 Los Angeles 1/2 mile above Montrose on the road from Tujunga to La Canada, San Gabriel Mts. 457 Comment
  SEINET10477870  Quercus dumosa Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4766 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UCSC001117  Quercus dumosa Peter Kamb 1948-2-14 775 Los Angeles Santa Anita Canyon, San Gabriel Mountains 396 Comment
  RSA788645  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles Middle of Maple Canyon, 490m east of Big Tujunga Rd. & 477m W of Angeles Forest Hwy. 786 Comment
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Dec 19 2014
  SEINET8044067 Image available Quercus durata var. gabrielensis R. G. Swinney 2010-1 13460 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1036 Comment
  CAS-BOT-BC94182  Quercus engelmannii Ralph N. Philbrick; Robert F. Thorne 1967-5-18 B 67 -220 Los Angeles Santa Catalina Island; Lower-middle Bull Rush Canyon, Salta Verde Comment
  CATA1956  Quercus engelmannii Ralph N. Philbrick, Robert F. Thorne 1967-5-18 208 Los Angeles Santa Catalina Island: South of road, upper middle Bulrush Canyon, Salta Verde 0 Comment
  JEPS38039  Quercus engelmannii Joseph Andorfer Ewan 1933-7-4 7852 Los Angeles Sturdevant trail Santa Gabriel Mts., Santa Anita Canyon 1066 Comment
  OBI14201  Quercus engelmannii H. A. Wheeler 1931-11-1 s.n. Los Angeles 1 mi E Liveoak Cyn, San Gabriel Mts 671 Comment
  SD69368  Quercus engelmannii Robert F. Thorne, P. Everett 1965-5-12 34611 Los Angeles Sanat Catalina Island, Bulrush Canyon 244 Comment
  UC533192  Quercus engelmannii Joseph Andorfer Ewan 1900-1 8487 c Los Angeles San Gabriel Mountains Comment
  UCR214602  Quercus ilex A. C. Sanders, Dan S. Cooper 2010-4-30 38124 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA603680  Quercus john-tuckeri Steve Boyd 1997-9-17 10046 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. 854 Comment
  UCSB34827  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge, West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  RSA477324  Quercus lobata G. R. Johnstone 1931-10-24 14029 Los Angeles Santa Susanna Mts. 915 Comment
  RSA571662  Quercus lobata Louis C. Wheeler 1933-8-5 2050 Los Angeles Encino, S side San Fernando Valley. 229 Comment
  RSA592269  Quercus lobata Louis C. Wheeler 1967-5-8 9356 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  OBI14274  Quercus pacifica Robert J. Rodin 1953-5-2 5820 Los Angeles Near White's Cove, Catalina Island Comment
  OBI4456  Quercus pacifica Robert J. Rodin 1953-5-2 5820 Los Angeles Near White's Cove, Catalina Island Comment
  UCD45313  Quercus pacifica Ralph Day 1949-9 s.n. Los Angeles Catalina Island, Los Angeles County, California. Comment
  CAS-BOT-BC257063  Quercus tomentella P. S. Manos 1988-10-28 699 Los Angeles San Clemente Island, N fork of Eagle Canyon 243 Comment
  LA30789  Quercus wislizeni Jo Ann W. Flock; 1958-12-20 12 Los Angeles Liebre Mt., 0.5 mi. E of Horse Trail Public Camp 914 Comment
  IRVC26333  Rafinesquia californica A. C. Sanders, Andy Thompson 2003-4-15 25988 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA155835  Rafinesquia californica P. H. Raven 1962-5-22 17821 Los Angeles Santa Catalina Island, above Emerald Bay 122 Comment
  SD82808  Ranunculus californicus I. W. Clokey, E. G. Anderson 1935-5-9 6947 Los Angeles Pomona Hills, grassy slope 399 Comment
  RSA187752  Ranunculus hebecarpus Robert F. Thorne 1966-4-7 35959 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  UCR139424  Ranunculus hebecarpus Fay A. MacFadden 1931-3-29 17 E Los Angeles La Tuna Canyon, Verdugo Hills 488 Comment
  LA212266  Raphanus raphanistrum subsp. sativus Elwood Fordham; 1951-3-20 s.n. Los Angeles Westwood, UCLA campus. "Faculty Hill". Comment
  RSA33816  Raphanus sativus N. C. Cooper 1944-4-23 1152 Los Angeles Pomona. 244 Comment
  RSA431480  Raphanus sativus L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA512050  Raphanus sativus L. C. Wheeler 1967-5-13 9507 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  UC870779  Rhamnus californica Louis C. Wheeler 1932-7-2 909 Los Angeles Browns Flat San Gabriel Mts. 1310 Comment
  UCR150376  Rhamnus californica subsp. californica D. E. Bramlet 1999-5-14 2762 Los Angeles Peninsular Ranges/Chino-Puente Hills region, Puente Hills: 457 m NW of the 57/60 freeway and 1 km east of old La Brea Canyon Rd., 310 m E from the end of Cottonwood Lane 201 Comment
  CAS-BOT-BC59936  Rhamnus crocea L. R. Abrams 1912-7-11 4918 Los Angeles Near Sugar Loaf Valley. Comment
  UCR216933  Rhamnus crocea R. G. Swinney 2009-3-19 10134 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, between I-210 Fwy and Foothill Blvd., west side of the river channel 171 Comment
  RSA95308  Rhamnus crocea F. W. Peirson 1919-4-1 339 Los Angeles Arroyo Seco, west of Pasadena. Comment
  RSA95310  Rhamnus crocea F. W. Peirson 1920-4-26 216 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  CAS-BOT-BC55999  Rhamnus ilicifolia A. D. E. Elmer 1902-6-1 3649 Los Angeles Saugus Comment
  LA52145  Rhamnus ilicifolia A. M. Johnson; 1934-4-20 4431 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA390827  Rhamnus ilicifolia Bonnie C. Templeton 1932-8-26 5117 Los Angeles Big Rock Creek; San Gabriel Mountains 1905 Comment
  RSA390836  Rhamnus ilicifolia Sam Tyson 1943-4-2 ** Los Angeles Big Dalton Canyon 366 Comment
  RSA526575  Rhamnus ilicifolia Tim S. Ross 1991-3-24 4310 Los Angeles Whittier Hills (Puente Hills, pro parte).Steep southwesterly slope of canyon that drains SSE into Turnbull Canyon. 238 Comment
  HSC35979  Rhamnus ilicifolia Thomas W. Nelson, Jane Nelson 1975-8-19 2177 Los Angeles Beside Hwy. 5, just west of junction with Hwy. 138 Comment
  CAS-BOT-BC360866  Rhamnus pirifolia Alice Eastwood 1917-7-20 6469 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC59793  Rhamnus pirifolia S. B. Parish 1916-3-31 5761 Los Angeles Santa Catalina Island. Comment
  SBBG39126  Rhamnus pirifolia M. Van Rensselaer 1937-7-1 Los Angeles Santa Catalina Island Comment
  UCD39261  Rhus aromatica B. Crampton 1976-9-21 9411 Los Angeles ca. 10 miles east of Saugus. Agua Dulce canyon area. 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
  RSA754092  Rhus integrifolia Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1806 Los Angeles Lario San Gabriel River Trail Park, east of bike path on 2nd bank 180 Comment
  SBBG13116  Rhus integrifolia E. R. Blakley 1962-6-9 5198 Los Angeles cyn W of rd, 2.5 mi N of China Pt 167 Comment
  SBBG50383  Rhus integrifolia R. M. Beauchamp, M. Douglas 1972-3-24 3214 Los Angeles W side of cyn 100 Comment
  UCR170623  Rhus integrifolia Alex R. Van Dam 2004-4-25 029 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  RSA386377  Rhus ovata Harvey Anderson, C. Epling 1930-5-30 s.n. Los Angeles Mandeville Canyon. Comment
  RSA615558  Rhus ovata LeRoy Gross 1998-5-15 16 Los Angeles San Gabriel Mtns: Big Tujunga Wash. East of 210 freeway ,west of Big Tujunga Canyon Road. 365 Comment
  UCR200141  Rhus ovata Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 807 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 549 Comment
  CAS-BOT-BC92296  Ribes amarum Geo. B. Grant 1902-3-1 1124 Los Angeles Garvanza. Comment
  CAS-BOT-BC92303  Ribes amarum Wesley O. Griesel 1959-2-27 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 609 Comment
  LA50708  Ribes aureum var. gracillimum A. M. Johnson; 1928-2-16 132 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA162691  Ribes aureum var. gracillimum J. D. Olmsted 1959-2-23 s.n. Los Angeles Blanchard Park, Pomona College Campus near Claremont, near E boundary LA, Foot of San Gabriel Mts. 366 Comment
  RSA747048  Ribes aureum var. gracillimum R. G. Swinney 2008-4-16 8669 Los Angeles San Dimas, Spring Canyon. 341 Comment
  SD90237  Ribes aureum var. gracillimum Benjamin C. Stone 1952-3-22 9 Los Angeles Blanchard Park, Claremont. 334 Comment
  UC447167  Ribes aureum var. gracillimum J. Ewan 1931-2-8 4024 Los Angeles above Monrovia (road to Monrovia Canyon) Comment
  RSA9723  Ribes aureum var. gracillimum Louis C. Wheeler 1932-5-26 763 Los Angeles San Gabriel Wash. 107 Comment
  UCR239613  Ribes californicum Dan S. Cooper 2012-6-15 612- 47 Los Angeles Western Transverse Range; Santa Monica Mountains, Sherman Oaks, Dixie Canyon 299 Comment
  CAS-BOT-BC93079  Ribes californicum var. hesperium Le Roy Abrams 1899-4-1 250 Los Angeles Santa Monica Mountains. Comment
  UC1127640  Ribes californicum var. hesperium Jerome S. Horton 1936-1-13 249 Los Angeles Bell Canyon shelter house Pomona Quadrangle, San Dimas Experimental Forest Comment
  UC519968 Image available Ribes indecorum Louis Wheeler 1933-3-4 1510 Los Angeles Claremont 388 Comment
  CAS-BOT-BC173443  Ribes malvaceum John Thomas Howell 1928-2-9 3336 Los Angeles On trail between Santa Anita [Canon] Canyon and Sierra Madre, San Gabriel Mts. Comment
  IRVC26627  Ribes malvaceum var. malvaceum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island; Mosquito Summit, head of canyon. Channel Islands Comment
  POM187642  Ribes malvaceum var. viridifolium Joseph A. Ewan 1930-3-2 3713 Los Angeles Along trail thru, Higgins Canyon, Santa Monica Mts. Comment
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May 9 2014
  SD77870  Ribes malvaceum var. viridifolium Darley F. Howe 1970-3-8 Los Angeles 10.8 miles west of Laurel Canyon Blvd. on Mulholland Drive; Santa monica Mountains. 456 Comment
  RSA659872  Ribes roezlii Orlando Mistretta 1992-8-20 768 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  RSA601694  Ribes roezlii var. roezlii Louis C. Wheeler 1968-2-4 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail 1 mi. southwest of Johnstone Peak. 732 Comment
  CAS-BOT-BC144443  Ribes speciosum Le Roy Abrams 1901-4-3 1315 Los Angeles Santa Monica Mts. 243 Comment
  UCR100065  Ribes speciosum R. G. Swinney 1969-4-2 322 Los Angeles Western Transverse Range; Santa Monica Mtns., 2 miles SW of Cornell on Mulholland Highway 396 Comment
  CDA4897  Ricinus communis Phillipson 1915-5-7 Los Angeles Monrovia. Comment
  UCSB3613  Ricinus communis Kamb, Peter 1948-2-29 Los Angeles Crest of the Verdugo Range 853 Comment
  RSA0046821  Ricinus communis Erinn Wilson 1996-5-25 24 Los Angeles On dirt road by pasture 10 feet from M lot. Comment
  UCR186903  Rorippa nasturtium-aquaticum A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32017 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
  RSA550704  Rosa californica Tim S. Ross, Annette Ross 1991-7-29 5702 s Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  UCR124390  Rosa californica I. W. Clokey, B. C. Templeton 1929-1 4559 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  CDA15359  Rosmarinus officinalis A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Near summit of Mt. Wilson. Comment
  RSA247426  Rosmarinus officinalis Jack Delaini 1974-2-27 44 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. along Johnston Peak rd. 884 Comment
  UCR4188  Rubus pensilvanicus R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns., along road, c. 2.5 miles into Arroyo Seco Canyon, Pasadena 427 Comment
  CATA1115  Rubus ursinus Mark L. Hoefs 1995-5-23 2079 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, near road to Bulrush Canyon 115 Comment
  UCSB72302  Rumex acetosella Gross, LeRoy; Fraga, Naomi 2002-5-16 Los Angeles San Gabriel Mountains: (Angeles National Forest road survey of 2002) Van Tassel road a short distance southeast of White Saddle. (Azusa Quad. 7.5; T1N R10W S5, SE1/4) Comment
  UCR180569  Rumex conglomeratus Scott D. White, Andrea Warniment 2006-7-7 11610 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  RSA706650  Rumex crispus A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-7-31 25514 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters 313 Comment
  UCR136825  Rumex crispus 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
  POM265701  Rumex crispus J. C. Roos 1942-10-19 2570 Los Angeles On vacant lot, West Los Angeles. Comment
  RSA0080426  Rumex crispus R. G. Swinney 2011-6-29 15372 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  UCR233750  Rumex hymenosepalus Jeremiah George 2012-3-11 s.n. Los Angeles South Coast, Palos Verdes Estates, just east of junction of Palos Verdes Blvd., Palos Verdes West and Palos Verdes Dr. North 73 Comment
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Aug 11 2014
  UCR260789  Rumex hymenosepalus R. G. Swinney 2010-2-27 11731 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  CAS-BOT-BC433925  Rumex salicifolius L. R. Abrams; I. L. Wiggins 1931-7-6 366 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  HSC79915  Rumex salicifolius Philip A. Silverstone 1978-8-20 310 Los Angeles Jct. on Maguire and Escondido Sts., 0.3 km. from jct. of Maguire and Latigo Canyon Rd. Comment
  UC850519  Rumex salicifolius var. salicifolius Louis C. Wheeler 1932-6-17 831 Los Angeles 1 mi w Claremont 365 Comment
  UC2048894  Rumohra adiantiformis R. E. Riefner Jr. 2016-9-24 16 -375 Los Angeles City of Venice, along Venice Blvd. between Lyceum Ave. and Walgrove Ave. Comment
  SEINET3130580  Ruppia maritima G. B. Grant 1904-1 1142 Los Angeles Playa de Rey Comment
  RSA353675  Sagittaria latifolia Anstruther Davidson 1889-05 s.n. Los Angeles Near Glendale Comment
  RSA191570  Salazaria mexicana Robert F. Thorne 1966-4-23 36147 Los Angeles San Gabriel Mountains: just N of Valyermo 1067 Comment
  RSA584335  Salix exigua Tim S. Ross, Orlando Mistretta 1993-5-26 7312 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (USFS) between Wilson Canyon Saddle and May Canyon saddle. Seepy northerly draw at roadside, head of a tributary of Los Pinetos Canyon. 1043 Comment
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Sep 30 2014
  RSA624066  Salix exigua Louis C. Wheeler 1967-5-23 9665 Los Angeles 1.25 mile ESE Honby 457 Comment
  SBBG124475  Salix exigua R. Burgess, P. Munro 1999-4-17 3268 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 502 Comment
  RSA127416  Salix laevigata Peter H. Raven, Henry J. Thompson 1959-10-18 14668 Los Angeles Mouth of Medea Creek, north arm of Malibu Lake 221 Comment
  UC482205  Salix laevigata Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 568 Los Angeles 2.5 km. w Ocean Beach; Santa Monica Mts., Lower Topanga Canyon 15 Comment
  UC506433  Salix laevigata Carl Hedin and Joseph Ewan 1933-6-29 7644 Los Angeles Comment
  LA208837  Salix lasiandra Carl W. Sharsmith; 1932-1-17 12 Los Angeles San Gabriel Mountains, at bottom of Lower San Gabriel Canyon, about 11 km above Azusa 91 Comment
  POM182039  Salix lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles At top of grade between Calabasas and Agoura. 285 Comment
  POM2066  Salix lasiolepis M. L. M. 1912-6-17 s.n. Los Angeles Claremont. Comment
  RSA507005  Salix lasiolepis Robert F. Thorne, M. Z. Thorne 1969-7-10 38361 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1951 Comment
  RSA550405  Salix lasiolepis Tim S. Ross, Peter Fritsch 1990-6-20 s.n. Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  RSA618592  Salix lasiolepis Louis C. Wheeler 1966-8-21 8822 Los Angeles San Gabriel Mountains: Northwest slope, Mount Burnham Comment
  RSA776517  Salix lasiolepis Jane Tirrell 2011-5-26 LS- 9 b Los Angeles Along north side of Highway 2 near mile marker 67.7. 2284 Comment
  UCR255493  Salix lasiolepis Dan S. Cooper 2014-6-26 614- 45 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  RSA618991  Salix lucida subsp. lasiandra LeRoy Gross 1998-10-16 83 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  SEINET3158752  Salix sessilifolia var. hindsiana G. B. Grant 1156 Los Angeles Los Angeles Comment
  CAS-BOT-BC180745  Salsola tragus Ernest C. Twisselmann 1970-9-8 17479 Los Angeles Antelope Valley, Avenue A at 50th Street West - Mojave Desert 731 Comment
  SFV22129  Salsola tragus V. Soza, L. Gross, M. Sripracha 2001-7-20 1358 Los Angeles Verdugo Mountains Whiting Woods Mountainway junction with Verdugo Mountain Mountainway, near radio facilities. Southeast-facing slope alongside paved road to radio facilities. 854 Comment
  UC1136478  Salsola tragus G. T. Nordstrom 1935-5-15 583 Los Angeles 1/2 mi. n. Tejon Pass; Tejon Quad. Comment
  RSA444931  Salsola tragus Alva Watry 1931-5-17 s.n. Los Angeles Palmdale. Comment
  SBBG126983  Saltugilia splendens subsp. grantii A. Parikh, N. Gale 2011-6-24 3502 Los Angeles S of Iron Mtn, 1.5 km E of Angeles Forest Hwy, 0.9 km S of Monte Cristo Crk; San Gabriel Mtns 1390 Comment
  RSA679882  Saltugilia splendens subsp. splendens LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 843 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  RSA424328  Salvia apiana William Emboden 1970-6-12 23 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA647933  Salvia apiana Michelle Manolovitz, Brian Willie 1992-4-27 1 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  SD21269  Salvia apiana Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Catalina. Comment
  SEINET2066006 Image available Salvia carduacea Norman C. Cooper 1948-4-21 2695 Los Angeles Littlerock Reservoir 762 Comment
  SEINET3558284 Image available Salvia carduacea Victor Duran 1933-5-22 3414 Los Angeles Near Lancaster. 716 Comment
  RSA187973  Salvia columbariae Robert F. Thorne 1966-4-5 35852 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  RSA615710  Salvia columbariae Louis C. Wheeler 1973-4-20 s.n. Los Angeles Aliso Canyon 1/4 mile south-southwest of Blum Ranch. 915 Comment
  RSA620658  Salvia columbariae B. Pitzer 1998-5-23 3757 Los Angeles Soledad Canyon: vicinity of Soledad Pass, Soledad Canyon Rd ca 1/2 mi. S of Sierra Hwy., [UTM 10km cell: 11SLJ-9E, 1N. Soledad Canyon] 945 Comment
  UCR260092  Salvia columbariae Mitch Provance, Callen Huff 2009-4-28 10708 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  RSA401454A  Salvia columbariae Helen M. Oster 1924-4-27 13810 Los Angeles Foothills n. end of Vermont Ave. Comment
  UC1871307  Salvia dorrii var. pilosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5012 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
  SD43735  Salvia leucophylla Darley F. Howe 1948-5-29 1985 Los Angeles Santa Monica Mountains. Comment
  SFV4260  Salvia leucophylla W. A. Emboden, Jr. 1962-5-6 2058 b Los Angeles Santa Monica Mountains Mulholland Drive, 1 mile west of Roscomare Drive [Road]. 365 Comment
  CDA1019  Salvia mellifera D. G. Kelch 1991-3-17 1336 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  POM96018  Salvia mellifera P. A. Munz 1926-4-4 10014 Los Angeles 2 miles north of Saugus. Comment
  RSA0088258  Salvia mellifera R. G. Swinney 2010-5-25 12969 Los Angeles 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
  RSA656388  Salvia mellifera Ray Vose 1980-5-31 s.n. Los Angeles Verdugo Mountains: Location 20-30 yards south of 3420 Figueroa Street, Glendale. 412 Comment
  UCR213580  Salvia mellifera A. C. Sanders 2010-5-7 38342 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 104 Comment
  SEINET9368959  Salvia mellifera Unknown 1988-5-15 9 Los Angeles Topanga Canyon Comment
  POM50365  Salvia spathacea L. R. Abrams 1901-4-3 s.n. Los Angeles Santa Monica Mountains. Comment
  SEINET9291814  Sambucus canadensis var. canadensis Unknown 2008-7-15 9222 Los Angeles Winston Peak Comment
  PASA280  Sambucus cerulea Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA477548  Sambucus mexicana N. C. Cooper 1948-4-21 2704 Los Angeles Saugus. 762 Comment
  RSA477563  Sambucus mexicana William Greenberg 1939-7-24 s.n. Los Angeles Beverly Hills Canyon. Comment
  RSA596802  Sambucus mexicana T. S. Ross, J. Mark Porter 1995-5-4 8509 Los Angeles Texas Canyon: ca 2.8 road miles NE of Bouquet Canyon Road. 610 Comment
  RSA99341  Sambucus mexicana F. W. Peirson 1921-7-21 8650 Los Angeles Arraster Creek, San Gabriel Mountains. 945 Comment
  SBBG79378  Sambucus nigra subsp. caerulea F. R. Fosberg 1931-3-18 4289 Los Angeles Hamilton Cyn 10 Comment
  SBBG95262  Sambucus nigra subsp. caerulea M. B. Dunkle 1928-5-28 1984 Los Angeles Avalon Cyn 38 Comment
  UCR270865  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12261 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  UCSB16374  Sambucus nigra subsp. caerulea Hurst, Linda 1963-2-23 Los Angeles 20 feet E of North Kenter Road, 3 miles N of Sunset Blvb., 10 miles N of U.S. Highway 101 548 Comment
  LA94336  Sambucus nigra subsp. canadensis M. Epling; Carl Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA69000  Samolus parviflorus F. W. Peirson 1918-08 s.n. Los Angeles San Fernando Valley, Los Angeles River. Comment
  SBBG17871  Sanicula arguta P. H. Raven 1962-4-10 17211 Los Angeles summit of Thirst 579 Comment
  RSA470984  Sanicula arguta Reid V. Moran 1941-3-7 685 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  POM17284  Sanicula bipinnata P. A. Munz 1923-5-1 7779 Los Angeles Puddingstone Canyon, San Dimas 259 Comment
  LA33038  Sanicula tuberosa Carl Epling; March 1925 6466 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  POM3423  Sanicula tuberosa C. F. Baker 1905-5-2 4761 Los Angeles Hills near Claremont Comment
  RSA778907  Sarcodes sanguinea R. G. Swinney 2009-6-24 11255 -B Los Angeles summit of Granite Mountain 1988 Comment
  RSA602449  Schedonorus arundinaceus Scott D. White 1997-5-14 5132 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
  RSA747981  Schedonorus arundinaceus R. G. Swinney 2005-5-14 8232 Los Angeles San Gabriel Mtns. N of Juniper Hills, S of Pear Blossom, SE corner of Tejon Road and Longview Rd. (131st street). 1091 Comment
  CAS-BOT-BC111388  Schoenoplectus acutus var. occidentalis Timothy S. Ross; Steve Boyd 1994-5-24 7840 Los Angeles Cottonwood Swamp, Confluence of San Francisquito Canyon stream 515 Comment
  SEINET11749060  Schoenoplectus acutus var. occidentalis H. E. Hasse 1888-1 Los Angeles near Los Angeles Comment
  RSA628593  Schoenoplectus americanus L. C. Wheeler 1967-7-23 10160 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Spring. Comment
  CDA39109  Scirpus californicus Bernard Rohrer Jul 1948 s.n. Los Angeles San Pedro. 0 Comment
  RSA425191  Scrophularia californica subsp. californica Douglas Bothwell 1934-5-1 s.n. Los Angeles Along gulch and low on hillside (shady exposure) Verdugo Woodlands Comment
  RSA427196  Scrophularia villosa Blanche Trask 1901-03 3473 Los Angeles Avalon, Santa Catalina Island. Comment
  SDSU11024  Scrophularia villosa D. F. Howe 1968-2-25 4490 Los Angeles Fourth of July Cove, Santa Catalina Island. Comment
  UC1181404  Scrophularia villosa Robert Ornduff with R. L. Taylor 1960-3-19 5095 Los Angeles Santa Catalina Island, Golf Links Canyon Golf Links Canyon; Santa Catalina Island, Golf Links Canyon Comment
  RSA0013628  Scutellaria siphocampyloides Orlando Mistretta, Youssef Atallah 2011-8-16 6047 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  UCR124707  Scutellaria siphocampyloides B. C. Templeton 1932-6-18 4928 Los Angeles San Gabriel Mtns, Angeles National Forest: Big Pines Park 2195 Comment
  UCR189674  Scutellaria siphocampyloides R. G. Swinney 1998-7-6 6275 Los Angeles San Gabriel Mtns., Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  LA81991  Scutellaria tuberosa O. H. Kappler; 1944-5-7 605 Los Angeles Santa Monica Mountains, Monte Nido 213 Comment
  RSA647790  Scutellaria tuberosa LeRoy Gross, Michael Honer, Lel Lubinsky 2000-4-27 193 Los Angeles San Rafael Hills: Ridge running west from lookout Tower, East of the (2) Glendale Freeway N 488 Comment
  RSA82355  Scutellaria tuberosa F. W. Peirson 1919-3-11 178 Los Angeles Small Canyon east of Rubio Canyon south base of San Gabriel Mtns. at 1800 ft. 549 Comment
  CAS-BOT-BC61987  Selaginella asprella I. M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canyon 1752 Comment
  RSA233461  Selaginella asprella Robert F. Thorne, M. Z. Thorne 1968-11-9 37868 Los Angeles San Gabriel Mts., Angeles National Forest: at base of rocks, S slope of Mt. Williamson at S end of summit ridge 2438 Comment
  RSA683753  Selaginella bigelovii Gary Gugisberg 1959-3-8 109 Los Angeles 7.6 mi up Bouquet Canyon. Mt St Helena to the Santa Lucia Mtns and S to San Diego Co. Comment
  RSA0012730  Senecio californicus L. C. Wheeler 1933-5-13 1729 Los Angeles Cobal Canyon, San Gabriel Mountains. 488 Comment
  CAS-BOT-BC333108  Senecio flaccidus var. douglasii Louis C. Wheeler 1931-8-30 31 Los Angeles San Antonio Canyon, San Gabriel Mountains 914 Comment
  CAS-BOT-BC333117  Senecio flaccidus var. douglasii Peter H. Raven 1957-11-30 11408 Los Angeles Along Mulholland Drive 4 miles east of Topanga Canyon, Santa Monica Mountains Comment
  RSA730757  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin 2002-6-18 25126 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  UC91406  Senecio lyonii T. S. Brandegee 1890-5-20 Los Angeles Santa Catalina Island Comment
  RSA171021  Senecio vulgaris R. F. Thorne, James Henrickson 1963-5-5 32277 Los Angeles Near Mouth of Cobal Canyon. Foothill of San Gabriel Mts. ca. 4 mi. N of Claremont. 518 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
  LA209933  Senecio vulgaris O. A. Plunkett; 1926-3-4 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  RSA473108  Senecio vulgaris Samuel R. Tyson 1943-3-26 s.n. Los Angeles San Dimas Canyon 670 Comment
  UC1587633  Senecio vulgaris Tim Ross 1991-4-21 4506 Los Angeles Lower Turnbull Canyon drainage above nw bank stream course (Whittier Hills, Puente Hills pro parte); Whittier Hills (Puente Hills, pro parte): Lower Turnbull Can 182 Comment
  UCSB33616  Senecio vulgaris Griesel, Wesley 1962-3-17 Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  CAS-BOT-BC438168  Sesuvium verrucosum G. B. Grant 1904-6-5 6112 Los Angeles Near Ballona Comment
  RSA512065  Setaria viridis L. C. Wheeler 1966-9-21 8894 Los Angeles San Gabriel Mountains, north fork San Gabriel Canyon, 1/4 mile downhill from intersection of main road to upper Bichota Canyon. 854 Comment
  LA82217  Sidalcea malviflora O. H. Kappler; 1941-5-22 275 Los Angeles Santa Monica Mountains, Upper Dume Canyon [Zuma Cyn, E-fork], Backus Ranch 487 Comment
  SBBG87617  Silene gallica E. R. Blakley 1963-4-10 5594 Los Angeles S of Avalon 30 Comment
  RSA165680  Silene gallica Wesley O. Griesel 1963-4-26 770 Los Angeles About 1/2 mile southeast of Devil s Gate Dam, Pasadena. 366 Comment
  RSA696562  Silene gallica Edna Dickson s.n. Los Angeles Roadside. Comment
  SEINET4076466  Silene gallica R. Moran 1941-1 705 Los Angeles About ranch houses, Middle Ranch, Santa Catalina Island. 200 Comment
  UCD98931  Silene laciniata subsp. laciniata Gerald Dickinson 1962-5-22 50 Los Angeles Topanga Canyon and Upper Robinson Road, Santa Monica Mountains. 304 Comment
  RSA649810  Silene laciniata subsp. major Matt Brooks 1988-5-1 27 Los Angeles Whittier, along the fire road at the bottom of Turnbull Canyon 0.3 miles south of its intersection with the Skyline Equestrian trail. Comment
  CATA3423  Silybum marianum Jaimie Choi, Olivia Reda, Stuart Olshevski 2017-5-1 004 Los Angeles Santa Catalina Island: Cape Canyon, interior 278 Comment
  RSA785939  Silybum marianum Doris Bowers 1972-7-7 1864 Los Angeles Palos Verdes Pen., field N/o Ridgecrest School Comment
  RSA771495  Sisymbrium altissimum R. G. Swinney 2009-4-28 10540 Los Angeles summit of Mt. Emma 1585 Comment
  SBBG51622  Sisymbrium altissimum R. Gustafson, C. Davidson 1977-4-20 12 Los Angeles Fort Tejon Rd, S of Littlerock, ca. 1.5 mi E of jct with 82nd St 975 Comment
  UCR220063  Sisymbrium altissimum R. G. Swinney 2009-4-24 10445 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR281334  Sisymbrium altissimum R. G. Swinney 2014-4-24 16241 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  POM9559  Sisymbrium altissimum P. A. Munz 1920-3-10 3332 Los Angeles Claremont. 366 Comment
  RSA230742  Sisymbrium altissimum R. F. Thorne, M. Z. Thorne 1969-7-9 38563 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines 2088 Comment
  RSA0092856  Sisymbrium irio Steven A. Junak, Mark Hoefs, Misty Gay 1997-6-6 SCa- 443 Los Angeles Santa Catalina Island: Just inland from beach at White's Landing. 3 Comment
  LA24007  Sisyrinchium bellum Carl Epling; Lincoln Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UC205493  Sisyrinchium bellum S. B. Parish 1919-4-19 19268 Los Angeles near San Dimas; Lone Hill Comment
  SD48953  Solanum americanum Reid Moran 1958-9-15 6834 Los Angeles 1.8 miles SE of Eel Point, San Clemente Island 99 Comment
  UCR214644  Solanum americanum A. C. Sanders, Dan S. Cooper 2010-3-12 37380 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  JEPS12087  Solanum douglasii Julia A. Bettys 1929-4-29 Los Angeles Huntington Palisades Comment
  RSA0062515  Solanum douglasii R. G. Swinney 2010-4-20 12313 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  SD90498  Solanum douglasii Robert F. Thorne 1966-4-16 36027 Los Angeles San Clemente Island: rocky slope above Wilson Cove, NE end of island 29 Comment
  UC284785  Solanum douglasii P. A. Munz 1923-4-8 6605 Los Angeles San Clemente Island Comment
  UCR223622  Solanum douglasii R. G. Swinney 2009-6-27 11286 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
  UCR271837  Solanum douglasii R. G. Swinney 2011-3-15 14082 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  SEINET12274721  Solanum douglasii J. F. Bright, Wyman, C. 1931-1 5749 Los Angeles in suburbs of Hollywood Comment
  CDA5954  Solanum elaeagnifolium Phillipson 1916-6-18 Los Angeles Duarte. Comment
  RSA670655  Solanum mauritianum Bonnie C. Templeton 1947-5-15 7 Los Angeles SW. Los Angeles Comment
  CAS-BOT-BC156793  Solanum umbelliferum A. Eastwood 1906-6-1 108 Los Angeles Laurel Canyon Comment
  UCR179734  Solanum umbelliferum R. G. Swinney, Dave Larson 1996-7-17 5136 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR223682  Solanum umbelliferum R. G. Swinney 2009-6-17 11155 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR149970  Solanum umbelliferum var. incanum Scott D. White 2004-5-5 10305 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  SD112051  Solanum wallacei subsp. clokeyi Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Santa Catalina Island; east side of Black Jack Mountain Comment
  POM308916  Solidago californica Anonymous 720 Los Angeles West branch of San Dimas Canyon, road from Tanbark to Ranger Station, 1000 feet from junction with Dalton Road. 793 Comment
  RSA518119  Solidago confinis Christopher Davidson 1967-9-7 960 Los Angeles Mt. Baldy trail from Baldy Village, near Bear Flat. 1524 Comment
  CAS-BOT-BC365842  Soliva sessilis A. C. Sanders; T. B. Salvato 2009-5-20 36885 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
  LA32095  Sonchus asper subsp. asper Peter H. Raven; 1959-10-25 14700 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  UCR272637  Sonchus oleraceus R. G. Swinney 2011-5-6 14587 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  LA35622  Sonchus oleraceus Ronald A. Cross; May 1952 35622 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA526159  Sonchus oleraceus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4153 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA601024  Sonchus oleraceus L. C. Wheeler 1967-5-13 9504 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  SFV11229  Sonchus oleraceus D. K. Shayne 1966-3-9 104 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  UCR150959  Sorghum bicolor Sandra L. Leatherman, Brian Daniels 1998-10-27 55 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon: adjacent to Bouquet Canyon Road, south of Vasquez Canyon Road and north of Esguerra Road 488 Comment
  RSA507551  Sorghum halepense L. C. Wheeler 1967-8-13 10465 Los Angeles San Gabriel Mountains: Angeles National Forest; Live Oak Campground, Sand Canyon. Comment
  UCR168228  Sorghum halepense G. D. Wallace 1979-5-2 1835 Los Angeles San Gabriel Valley, Arcadia, vacant lot at SW corner of N Baldwin Ave. and W Foothill Blvd. 194 Comment
  RSA747191  Spartium junceum R. G. Swinney 2008-6-9 9011 Los Angeles middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail 1585 Comment
  UCR146504  Spartium junceum Scott D. White 2004-7-28 10654 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR273285  Spartium junceum R. G. Swinney 2011-10-18 15831 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA65492  Spergula arvensis F. W. Peirson 1923-3-18 5322 Los Angeles field, San Gabriel Blvd at olf Eucalyptus road, San Gabriel Valley Comment
  CATA1232  Spergularia bocconi Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2298 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  UCR86640  Spergularia bocconi T. S. Ross 1992-4-14 6176 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  RSA0097909  Spergularia bocconi R. F. Thorne, Doug Propst 1968-5-27 37630 Los Angeles Santa Catalina Island: near margin of Thompson s Reservoir, Middle Ranch at upper (W) end of reservoir. Comment
  CAS-BOT-BC390264  Spergularia macrotheca var. leucantha Alice Eastwood; John Thomas Howell 1937-4-26 3978 Los Angeles Rosamond Lake bottom Comment
  UC1587705  Spergularia macrotheca var. macrotheca Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5101 Los Angeles North Head San Clemente Island (coastal flats wnw of new landing field) 15 Comment
  RSA0098536  Spergularia marina R. F. Thorne 1966-4-4 35768 Los Angeles Santa Catalina Island. Tip of Ballast Point, Catalina Harbor, Isthmus. 0 Comment
  CATA502  Spergularia villosa Sara L. Crockett 1997-4-2 646 Los Angeles Santa Catalina Island: 0.85 mile W along Empire Landing Road from jct. with Airport Road, S side of road 481 Comment
  CATA2910  Sphaeropteris cooperi Sara L. Crockett 1997-3-7 88 Los Angeles Santa Catalina Island: Across from 337A Clemente Street 24 Comment
  LA52394  Stachys albens J. A. Ewan; 1931-10-24 5281 Los Angeles Santa Monica Mountains, La Sierra Canyon, 0.5 mi. below Seminole Hot Springs 304 Comment
  UCR204564  Stachys albens R. G. Swinney 2005-8-5 8381 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA446652  Stachys bullata Anstruther Davidson s.n. Los Angeles Los Angeles. Comment
  UCR219825  Stanleya pinnata R. G. Swinney 2009-4-24 10433 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  CAS-BOT-BC374809  Stebbinsoseris heterocarpa Steven A. Junak 1997-4-8 SCI- 790 Los Angeles California Islands. San Clemente Island: W side of island, on flats just N of upper portion of Wall Rock Canyon 310 Comment
  UC306449  Stebbinsoseris heterocarpa S. B. Parish 1919-4-19 19256 Los Angeles near San Dimas (slopes of Lone Hill, Southern California); slopes of Lone Hill Comment
  RSA598811  Stellaria media R. G. Swinney 1989-11-24 1471 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 442 Comment
  UC1125845  Stellaria media Jerome S. Horton 1936-5-4 319 Los Angeles San Dimas Canyon, East Fork Pomona Quad. (Flume 5) 609 Comment
  UCR59352  Stenotaphrum secundatum C. F. Smith 1957-11-14 5680 Los Angeles Along sidewalk above ocean at Manhattan Beach Comment
  CAS-BOT-BC375072  Stephanomeria F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  RSA678435  Stephanomeria blairii Mark A. Elvin, Orlando Mistretta 1996-3-24 129 Los Angeles San Clemente Island. 427 Comment
  CAS-BOT-BC375143  Stephanomeria cichoriacea F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon], near Pasadena, San Gabriel Mts. Comment
  UCR276745  Stephanomeria cichoriacea R. G. Swinney 2010-8-11 13497 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  RSA732846  Stephanomeria parryi R. G. Swinney 2001-5-18 7934 Los Angeles Mojave Desert: Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy. 138. 1284 Comment
  UCR240029  Stephanomeria pauciflora R. G. Swinney 2009-11-13 11612 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  RSA226049  Stephanomeria pauciflora var. pauciflora R. F. Thorne, C. W. Tilforth 1971-6-17 39893 Los Angeles N slope of