Search Results — 2000 specimen records retrieved (1535 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SFV21899  Abies concolor J. N. Hogue 2011-5-12 s. n. Los Angeles San Gabriel Mountains Highway 2 at east entrance to Buckhorn Campground. 2000 Comment
  SBBG105344  Abronia maritima L. Sayre 1990-6-24 5 Los Angeles sandy area N of W end of airstrip 24 Comment
  RSA0135524  Abronia pogonantha David E. Bramlet 2016-6-2 5307 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  RSA250605  Abronia pogonantha Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39512 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1433 Comment
  SEINET4084347  Abronia umbellata W. C. Martin 1971-1 sn Los Angeles Point Dume. Comment
  SEINET4175493  Acanthoscyphus parishii var. parishii J. L. Reveal, B. J. Ertter 1976-6-28 4558 Los Angeles San Gabriel Mountains, along the road from Mill Creek Summit to Mt. Gleason, 1.7 mile northwest of Mill Creek Summit 1661 Comment
  RSA0110591  Acer macrophyllum Richard G. Swinney 2010-6-8 13235 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. 598 Comment
  SFV21413  Acer macrophyllum L. Gross, N. Fraga, S. Williams 2002-7-17 566 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Side canyon off of La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 488 Comment
  UCR199989  Acer macrophyllum Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1354 Los Angeles Transverse Ranges; Verdugo Mountains, Whiting Woods Road, mouth of Henderson Canyon 396 Comment
  SEINET6700481 Image available Achillea millefolium G. B. Grant, W. Wheeler 1904-4-21 18 Los Angeles Santa Catalina Island Comment
  RSA682500  Achyrachaena mollis Scott D. White, Michael Honer 2003-5-7 9232 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  UC1922162  Achyrachaena mollis Scott D. White, Pam DeVries 2006-5-10 11427 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Comment
  SBBG43866  Acmispon argophyllus var. argenteus M. R. Benedict 1971-6-27 Los Angeles NW tip of San Clemente Island Comment
  SBBG96854  Acmispon argophyllus var. argenteus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4239 Los Angeles lower half of China Cyn, W side Comment
  SD69605  Acmispon dendroideus var. dendroideus Robert F. Thorne, P. Everett 1965-5-10 34426 Los Angeles Santa Catalina Island, rocky bluff along Summit Road near Hogsback 91 Comment
  CAS-BOT-BC204897  Acmispon dendroideus var. traskiae F. C. Boutin 1967-4-24 1704 Los Angeles San Clemente Island: E side of island, Wilson Cove Comment
  UCSB8572  Acmispon glaber Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre 304 Comment
  SD181521  Acmispon maritimus var. maritimus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 710 Los Angeles Transverse Ranges, Verdugo Mountains Region, south side, off dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall 2002; Burbank 7.5' quad. Collected on southwest-facing slope. 576 Comment
  LA52407  Acmispon micranthus Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  POM6262  Acourtia microcephala Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  LA200814  Adenostoma fasciculatum Mary Reynolds; 1927-4-12 94 Los Angeles Santa Monica Mountains, Higgins Canyon Comment
  UC1870251  Adenostoma fasciculatum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1087 Los Angeles Transverse Ranges; Verdugo Mountains region: North side of mountains; South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway 556 Comment
  UCR258816  Adenostoma fasciculatum R. G. Swinney 2010-5-25 12973 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UC1409133  Adenostoma sparsifolium R. F. Thorne and Larry DeBuhr 1972-8-18 42233 Los Angeles ca. 2 mi. w. Clear Creek Station (near top of steep raodbank where Angeles Crest Hwy. crosses head of canyon, at junction with Angeles Forest Hwy.); San Gabriel Mts., Angeles Nat'l Forest 914 Comment
  CAS-BOT-BC65641  Adiantum jordanii Geo. B. Grant 1901-1-1 177 Los Angeles Pasadena Comment
  LA3989  Adiantum jordanii A. M. Johnson; 1934-3-16 4345 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA0062527  Adiantum jordanii R. G. Swinney 2010-6-4 13051 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  POM50090  Adiantum jordanii L. W. Nuttall 1921-1-15 1126 Los Angeles Santa Catalina Island: Pebble [Pebbly] Beach Canyon. Comment
  RSA691049  Ageratina adenophora Scott D. White 2003-10-14 9832 Los Angeles Foothills above Sierra Madre. L. A. Dept of Public Works Baily' Debris Basin, just north of BailyCanyon Park. (Mt. Wilson). 366 Comment
  RSA627489  Ageratina adenophora Louis C. Wheeler 1965-5-8 8705 Los Angeles San Gabriel Mountains: Fish Canyon near the mouth. Comment
  UC1043437  Agnorhiza ovata Richard M. Straw 1954-6-16 623 Los Angeles Horse Flats road, off Angeles Crest Hwy San Gabriel Mts., Angeles National Forest Comment
  UC1586192  Agnorhiza ovata Tim Ross 1991-8-16 5830 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad 1719 Comment
  SEINET13203213 Image available Agoseris heterophylla R. G. Swinney 2011-1 15317 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 (Chilao Flat 7.5' Q.) (T3N R11W S22) 1582 Comment
  UCR189385  Agoseris retrorsa R. G. Swinney 1998-6-12 6181 Los Angeles San Gabriel Mountains, SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir 1500 Comment
  UCSB31628  Agoseris retrorsa Griesel, Wesley 1962-5-2 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  CAS-BOT-BC384740  Agrostemma githago C. F. Baker 1912-2-1 s.n. Los Angeles Claremont Comment
  POM308909  Agrostis exarata Anonymous 1943-7-30 660 Los Angeles Monroe station #12, San Dimas Experimental forest, U.S. Forest Dept. San Gabriel Mountains. Comment
  RSA0089522  Agrostis exarata R. G. Swinney 2011-8-17 15624 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA641572  Agrostis pallens L. C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat, Graveyard Canyon. 823 Comment
  UCR207986  Agrostis pallens F. R. Fosberg 1931-4-29 S- 4729 Los Angeles Channel Islands, Santa Catalina Island, between Cottonwood and Middle Ranch Canyons 140 Comment
  RSA87117  Agrostis stolonifera F. W. Peirson 1923-8-31 4015 Los Angeles Big Pines Camp, north side of San Gabriel Mountains. 2088 Comment
  LA212439  Albizia lophantha Jack Pepper; 1953-2-11 s.n. Los Angeles Comment
  RSA602275  Alisma triviale L. C. Wheeler 1952-7-10 6857 Los Angeles Whittier Narrows Dam. Comment
  CHSC3663  Allium lacunosum var. davisiae Mary Mac Arthur 1966-6-4 46 Los Angeles Chilao. Comment
  RSA586618  Allium lacunosum var. davisiae Timothy S. Ross, Steve Boyd 1991-3-23 4250 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs, (destroyed by development) 926 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
  RSA569414  Allium monticola B. C. Templeton 1933-5-15 5125 Los Angeles San Gabriel Mountains. Big Pines Park. West Blue Ridge. 2195 Comment
  RSA583037  Allium praecox Timothy S. Ross 1993-4-22 6872 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak. 419 Comment
  POM1643  Allium praecox George B. Grant, Walter Wheeler 34 Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC476831  Allium validum Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains. Table Mountain, above Wrightwood, in yellow-Jeffrey pine forest. 2133 Comment
  RSA410052  Allophyllum divaricatum Samuel R. Tyson 1942-5-5 s.n. Los Angeles San Dimas Canyon. 640 Comment
  RSA410064  Allophyllum divaricatum Geo L. Moxley 1919-5-31 337 Los Angeles Santa Anita Canyon. Comment
  UCR179703  Allophyllum divaricatum R. G. Swinney, Dave Larson 1996-7-17 5133 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR24330  Allophyllum gilioides John C. Roos 1942-5-23 1058 Los Angeles San Gabriel Mtns., Santa Anita Canyon Comment
  UC879976  Allophyllum glutinosum F. R. Fosberg 1931-7-14 S 5413 Los Angeles Santa Catalina Isl., Hamilton Canyon 30 Comment
  SFV4825  Alnus rhombifolia F. L. McPherson 1959-4-21 s. n. Los Angeles San Gabriel Mountains Soledad Canyon. Soledad Public Campgrounds. 518 Comment
  UC1135171  Alnus rhombifolia Jerome S. Horton 1936-2-10 251 Los Angeles Below Bell & Volfe Canyon Flumes Comment
  UC116351  Alternanthera caracasana J. C. Nevin Los Angeles Los Angeles Comment
  SEINET10481951  Alyssum alyssoides August J. Breitung 1953-5-17 Breitung 15155 Los Angeles Los angeles crest hwy, san bernardino mts. Comment
  SEINET10970466  Alyssum alyssoides E. R. Blakley 1958-5-9 Blakely 2268 Los Angeles Perennial. Fls purple. Few, well drained slopes of granite loam soil, sun. Rolling grasslands. Hills 2 mi. E of gorman, n of st hwy 138. 1097 Comment
  CDA3265  Amaranthus albus L. C. Wheeler 1966-10-1 8949 Los Angeles San Gabriel Mountains, Colby Ranch. Comment
  RSA601048  Amaranthus albus Steve Boyd, Lauren Raz 1997-6-18 9980 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA258356  Amaranthus deflexus C. W. Tilforth 1972-6-1 565 Los Angeles Weeds of Rancho Santa Ana Botanic Garden. Frequent in all soils and conditions. Comment
  RSA235156  Amaranthus retroflexus David Wheat 1972-8-20 738 Los Angeles Roadside weed on Padua Ave. between Baseline Rd. and Mt. Baldy Road 518 Comment
  POM155794  Amblyopappus pusillus M. B. Dunkle 1928-4-22 1886 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  UCR272518  Ambrosia acanthicarpa R. G. Swinney 2011-10-27 15925 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  SD107877  Ambrosia chamissonis Mark Hoefs 1973-4-15 183 Los Angeles Santa Catalina Island, Ben Weston Beach on dunes 7 Comment
  RSA416932  Ambrosia chamissonis I. M. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC44998  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC55598  Ambrosia psilostachya J. Ewan 1931-10-24 5267 Los Angeles North shore Malibu Lake, Santa Monica Mts. Comment
  LA91102  Ambrosia psilostachya T. A. Geissman; 1970-8-14 TAG 14870 MD Los Angeles Santa Monica Mountains, Mulholland Dr. at San Diego Frwy 365 Comment
  RSA416986  Ambrosia psilostachya M. B. Dunkle 1930-7-23 2439 Los Angeles Little Harbor, Santa Catalina Island. Comment
  POM11922  Amelanchier utahensis Philip A. Munz 1922-5-30 5580 Los Angeles Mescal Valley, San Antonio Mountains. 2043 Comment
  POM294315  Ammannia robusta Lyman Benson 1946-10-16 12205 Los Angeles Hills above Devil's Gate Dam Comment
  CAS-BOT-BC180648  Amorpha californica var. californica Geo. B. Grant 1904-5-19 39 Los Angeles Mt. Wilson Comment
  RSA526152  Amsinckia intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-4-6 4146 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA799973  Amsinckia menziesii Pam De Vries 2013-4-3 7827 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  UC1922569  Amsinckia menziesii Gary Kovnat with LeRoy Gross 2003-2-16 18 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  RSA638173  Amsinckia menziesii L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. Comment
  SBBG132065  Amsinckia spectabilis S. A. Junak, B. Collins 1991-4-24 SCI 196 Los Angeles S side of mouth of Eel Cove Cyn 42 Comment
  SFV9186  Amsinckia tessellata H. Wells 1968-3-30 14 Los Angeles Mojave Desert 3.1 miles north of junction of Palmdale Boulevard and State Highway 14 on State Highway 14. 1.4 miles west of junction of State Highway 14 and side road, on side road. Comment
  UC1084566  Amsinckia tessellata var. gloriosa Francia Chisaki, Peter M. Ray 1952-5-1 2247 Los Angeles 2 mi s Gorman (on US Hwy #99) Comment
  RSA249770  Amsinckia tessellata var. tessellata R. F. Thorne, C. W. Tilforth 1973-4-20 43017 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA465151  Anagallis arvensis Chung-Hsin Chung 1931-3-4 s.n. Los Angeles Roadside, Pasadena Comment
  RSA708608  Anagallis arvensis Valerie L. Soza, LeRoy Gross 2001-5-9 1209 Los Angeles Southern San Rafael Hills: South of Scholl Canyon, Valle Vista fire road, west of junction with Scholl Canyon Road, ridgetop north of Hwy 134. 297 Comment
  RSA658527  Anagallis arvensis Diane Elliott 1985-4-26 19 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  RSA570193  Ancistrocarphus filagineus Timothy S. Ross, Steve Boyd, L. Arnseth 1991-4-30 5029 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  SBBG63203  Ancistrocarphus filagineus R. Hoffmann 1929-4-29 Los Angeles Harold, near Palmdale Comment
  UC204674  Andropogon glomeratus var. pumilus Geo. L. Moxley 1917-9-3 632 Los Angeles San Gabriel Mts. Eaton Canyon; , Eaton Canyon Comment
  RSA0113904  Androsace elongata subsp. acuta LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7548 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  CATA753  Anemopsis californica Mark L. Hoefs 1991-5-22 1282 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  RSA0135656  Anisocoma acaulis David E. Bramlet 2016-6-2 5313 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  RSA587199  Anisocoma acaulis Orlando Mistretta, Mark Elvin 1995-5-10 1686 A Los Angeles San Gabriel Mountains: Bare Mountain Canyon. Head of W. Fork. 1768 Comment
  RSA643158  Anisocoma acaulis Orlando Mistretta 1995-4-28 1656 B Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Kitter Canyon. 1357 Comment
  UCR189987  Antennaria dimorpha R. G. Swinney 1998-6-12 6960 Los Angeles San Gabriel Mtns., 4.3 miles N of Big Pines Hwy (Hwy 2) at end of Rd. AB9, off Table Mtn. Rd., 1/4 mi. NE of end of AB9 1890 Comment
  RSA0110782  Anthemis cotula Steven A. Junak 2000-7-1 SCa- 1376 Los Angeles Santa Catalina Island. Jus N of Cape Canyon Road, 0.4 mi. E of intersection w/Middle Ranch Road, at storage shed, near Cape Canyon corrals. 228 Comment
  RSA416829  Anthemis cotula M. B. Dunkle 1928-5-28 s.n. Los Angeles Avalon Canyon Comment
  RSA592435  Anthriscus caucalis L. C. Wheeler 1967-5-13 9517 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. 259 Comment
  LA99313  Antirrhinum coulterianum Jonathan Sauer; 1978-5-27 6038 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon State Park, high ridge in Topanga State Park. Comment
  RSA682672  Antirrhinum coulterianum LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1080 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  UCR155665  Antirrhinum coulterianum A. C. Sanders, Helen Kennedy 2005-4-13 29460 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA80189  Antirrhinum coulterianum F. W. Peirson 1926-4-26 6644 Los Angeles East of stream bed in pacoima Wash Comment
  SFV6290  Antirrhinum coulterianum M. H. Grayum, K. Felt 1974-5-26 s. n. Los Angeles Santa Susana Mountains Upper Llajas Canyon. Open spot in chaparral along roadside. 556 Comment
  UCSB32469  Antirrhinum coulterianum Coz, Susan 1977-6-4 Los Angeles 5 mi N on Malibu Cyn Rd from Hwy 1; E side of road across from Tapia park 182 Comment
  RSA80433  Antirrhinum multiflorum F. W. Peirson 1951-1 190 Los Angeles Summit of Mt. Lowe Comment
  UC1063069  Antirrhinum multiflorum Jerome S. Horton 1935-6-4 169 Los Angeles Little Dalton Canyon Pomona Quad. (Glendora Motorway) 609 Comment
  UCR131369  Antirrhinum nuttallianum Jeremiah George 2001-5-29 6 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  SBBG113055  Aphanes occidentalis S. A. Junak with K. Kirkland 1998-4-30 SCa 583 Los Angeles N side of ridge on N side of Hamilton Cyn 243 Comment
  CATA3445  Aphanisma blitoides Benjamin J. Dion, Tobias Nickel 2017-5-11 027 Los Angeles Santa Catalina Island: Pacific Side; near cliffside bluff in Cactus Bay watershed, close to the border of Salt Cedar Glen watershed 161 Comment
  POM18427  Aphanisma blitoides P. A. Munz 1923-4-11 6774 Los Angeles San Clemente Island: low shore on west coast. Comment
  RSA660871  Aphanisma blitoides Orlando Mistretta 1992-4-4 134 Los Angeles San Clemente Island. Comment
  SD90556  Aphanisma blitoides Robert F. Thorne 1973-4-12 42950 Los Angeles San Clemente Island, Pyramid Cove at south end of island Comment
  POM3221  Apiastrum angustifolium C. F. Baker 1909-3-20 5245 Los Angeles Claremont Comment
  SD38883  Apiastrum angustifolium Edith A. Purer 1935-5-11 6555 Los Angeles Malibou Lodge, Santa Monica Mountains Comment
  RSA596202  Apium graveolens Lauren Raz, Steve Boyd 1996-10-23 13 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  RSA470398  Apium graveolens L. C. Wheeler 1933-10-14 2173 Los Angeles San Gabriel Mountains, San Dimas Canyon 534 Comment
  RSA766898  Apium graveolens P. Reisentz 1977-4-23 s.n. Los Angeles Malibu Lagoon, 5 miles west of Highway 27 on Pacific Coast Highway 1 Comment
  UCR189397  Aquilegia formosa R. G. Swinney 1998-5-30 6168 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  LA212127  Aquilegia formosa A. Lee Haines; 1935-6-24 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Comment
  RSA0051700  Aquilegia truncata Lee Haines 1935-6-24 s.n. Los Angeles San Gabriel Mountains. Comment
  UC1922367  Arabidopsis thaliana Valerie Soza, Bill Hogshead 2003-4-23 1640 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park, Brand Canyon. 457 Comment
  RSA586985  Arabis pulchra Orlando Mistretta 1992-5-8 311 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  UCR189951  Arabis pulchra R. G. Swinney, Vanessa Merritt 1998-6-12 6961 Los Angeles San Gabriel Mtns., 3 miles west of Pinon Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek 1378 Comment
  RSA230716  Arabis pulchra var. gracilis R. F. Thorne, M. Z. Thorne 1969-7-9 38556 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station 2134 Comment
  RSA0128607  Arabis repanda var. repanda R. F. Thorne 1971-8-25 41303 Los Angeles San Gabriel Mts., Angeles National Forest: near Windy Spring on N Slope of Mt Islip. 2256 Comment
  UCR147293  Arabis sparsiflora var. sparsiflora Orlando Mistretta, Peter L. Morrell 1992-6-4 508 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  RSA736005  Araujia sericifera Scott D. White, Justin Wood 2008-6-4 12055 Los Angeles Skyline Dr. E of Hacienda Blvd. SCE corridor at proposed tower 42. 366 Comment
  OBI30080  Arbutus menziesii Ted L. Hanes 1967-3-2 s.n. Los Angeles Pine Mountain Truck trail, 6 mi SE Rincon, San Gabriel Mts 1067 Comment
  RSA637497  Arctostaphylos Valerie L. Soza, Kent Hughes 1999-6-17 565 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 792 Comment
  RSA626816  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20208 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  UCSB4723  Arctostaphylos glandulosa subsp. mollis Sage, Paul 1958-2-21 Los Angeles On ridge 0.2 mi. below reservoir above Millard Canyon, 100 yards NW of Chainy Trail, Altadena 762 Comment
  RSA0092470  Arctostaphylos glauca R. G. Swinney 2011-10-27 15912 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA631614  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15855 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA739717  Arctostaphylos glauca John Dittes 2006-1-3 1313 Los Angeles Transverse Ranges, San Gabriels Mtns, Upper Big Tujunga Canyon, 6.8 air miles SE of Mill Creek summit, 1.7 air miles W of Vetter Mtn, 1.8 air mile NE of intersection of Upper Big Tujunga Canyon road and Angeles Crest Hwy (Hwy2),, N side of upper Big Tujunga Canyon road. 1113 Comment
  UCR125178  Arctostaphylos glauca A. C. Sanders, Mark Elvin 2002-6-25 25274 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  SD146284  Arctostaphylos parryana A. C. Sanders, D. Malueg 1998-6-24 22080 Los Angeles San Gabriel Mountains: 2 miles E of Mt. Gleason at Little Gleason Forestry Plantation, on S. Cal. Edison Mesa-Vincent transmission line at Tower 7-2 (Acton 7.5'Q) 1707 Comment
  RSA634001  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi 1992-8-20 20244 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634360  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20627 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634758  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22017 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634853  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20578 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA634867  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20265 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635129  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20286 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA635275  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20638 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  UCR205928  Arenaria douglasii R. G. Swinney 2008-5-5 8774 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
  UC1584893  Arenaria macradenia var. arcuifolia Tim Ross, Steve Boyd 1991-7-24 5615 Los Angeles Granite Mountain 1874 Comment
  UC9889  Argemone munita J. H. Barber 1897-6-24 172 Los Angeles Saugus Comment
  CHSC26539  Argemone munita subsp. munita Barry White 1969-4-12 190 Los Angeles 30 miles North of Azusa, 1 mile So. Of Crystal Lake on Hwy. 39 in San Gabriel Mtns. 762 Comment
  RSA763833  Argyranthemum foeniculaceum Doris Bowers 1972-7-13 1863 Los Angeles Lunada Bay 1 Comment
  UCD56414  Aristida adscensionis Beecher Crampton 1968-8-10 8320 Los Angeles Santa Catalina Island, Avalon. Comment
  UCD56860  Aristida ternipes var. gentilis Louis C. Wheeler 1934-4-15 2525 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  RSA417246  Artemisia californica Alva Watry 1930-11-27 s.n. Los Angeles San Dimas Canyon. Comment
  SBBG97011  Artemisia californica S. Boyd with T. Ross, L. Arnseth 1990-4-8 4420 Los Angeles Brice Cyn near Malo Pt Comment
  JEPS26141  Artemisia douglasiana Peter H. Raven 1959-3-8 13837 Los Angeles 1.1 mi. west of Coast Highway; Santa Monica Mountains, Topanga Canyon Comment
  LA200161  Artemisia douglasiana T. A. Geissman; 1966-10-15 TAG 101566 ADM Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  CAS-BOT-BC90349  Artemisia douglasiana L. R. Abrams 1901-8-21 2181 Los Angeles Ballona Comment
  RSA0057888  Artemisia dracunculus Richard G. Swinney 2010-9-7 13691 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UCR126331  Artemisia dracunculus A. C. Sanders 2003-8-5 27110 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  CAS-BOT-BC93863  Artemisia dracunculus J. Ewan 1931-9-7 5176 Los Angeles San Bernardino Mts., near Hawes Ranch, Horsethief Canyon. Comment
  UCR210171  Artemisia ludoviciana R. G. Swinney 2008-10-16 9618 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  SD66835  Artemisia nesiotica R. Mitchel Beauchamp 1967-3-17 246 Los Angeles San Clemente Island; on slope east of Wilson Cove. Comment
  SDSU6157  Artemisia nesiotica R. M. Beauchamp 1967-6-2 539 Los Angeles Below road one mile northeast of NOTPier, San Clemente Island. Comment
  CAS-BOT-BC97287  Artemisia tridentata subsp. parishii J. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley Comment
  RSA417400  Artemisia tridentata subsp. tridentata L. E. Hoffman 1934-7-24 s.n Los Angeles Holcomb Creek, Angeles National Forest, San Gabriel Mts. Comment
  UCR145193  Artemisia tridentata subsp. tridentata June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  UCR108423  Arundo donax L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mtns., Mt. Wilson road, below Henninger Flats 671 Comment
  JEPS47798  Asclepias californica Frank W. Peirson 1919-6-15 496 Los Angeles Rock Creek; San Gabriel Mts. 1981 Comment
  LA47641  Asclepias californica Peter H. Raven; 1960-4-2 14861 Los Angeles Santa Monica Mountains, Lake Enchanto, 0.2 mi east of Lake Enchanto 228 Comment
  SFV2797  Asclepias californica K. A. Wilson 1962-5-12 1280 Los Angeles San Gabriel Mountains Canyon with public campgrounds leading to Devil's Punch Bowl Trail. North slope of San Gabriel Mountains. 1400 Comment
  LA50701  Asclepias eriocarpa J. A. Ewan; Carl Epling 1993-7-7 7595 Los Angeles 426 Comment
  UCR209930  Asclepias eriocarpa R. G. Swinney 2008-7-15 9202 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  POM320290  Asclepias eriocarpa Greg Wright 1971-6-22 181 Los Angeles West of Roughrider Rd., southwest of Live Oak Canyon Dam, Northwest of Claremont 480 Comment
  POM75772  Asclepias eriocarpa Marcus E. Jones 1884-1 s.n. Los Angeles Los Angeles. Comment
  UCR255467  Asclepias fascicularis Dan S. Cooper 2014-5-23 514- 10 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Mt. Hollywood Dr. between Royce Canyon and Toyon Landfill 298 Comment
  RSA0127184  Asclepias fascicularis Louis C. Wheeler 1967-7-20 10132 Los Angeles Aliso Canyon. 1067 Comment
  CATA3424  Asparagus asparagoides Olivia Reda, Julia Parish, Jamie Choi, Tobias Nickel, Stuart Olshevski 2017-3-31 001 Los Angeles Santa Catalina Island: Middle Ranch reservoir 206 Comment
  RSA544572  Asphodelus fistulosus Timothy S. Ross, E. Kellogg 1992-4-13 6137 Los Angeles San Clemente Island: North head of the island, off the E end of the active runway. 43 Comment
  LA94124  Aspidotis californica Lawrence L. Kiefer; 1966-3-26 1776 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  RSA417630  Aster bernardinus Anstruther Davidson 1893-1 2019 Los Angeles Hollywood. Comment
  RSA417671  Aster greatae Fordyce Grinnell Jr. 1915-9-4 3119 Los Angeles Above Arroyo Seco-West Fork Divide. Comment
  RSA726009  Astragalus didymocarpus A. C. Sanders, Tricia Wotipka, Mark Elvin 2003-4-28 26134 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
  UCR239014  Astragalus didymocarpus var. dispermus Anuja Parikh, Nathan Gale 2010-6-9 3271 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, northwest of Vincent and Soledad Pass, 3.0 km northwest of State Hwy 14, under powerlines 1125 Comment
  JEPS54602  Astragalus douglasii Frank W. Peirson 1919-5-10 397 Los Angeles Arrastre Canyon , Arrastre Canyon (San Gabriel Mts.) 975 Comment
  RSA0118841  Astragalus douglasii A. C. Sanders 2006-4-10 31977 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  UCD104750  Astragalus douglasii Ernest C. Twisselmann 1959-6-2 s.n. Los Angeles Old Ridge Route, 7.7 miles south of Liebre Mountain Road. 1036 Comment
  RSA611607  Astragalus douglasii var. douglasii L. C. Wheeler 1968-5-12 s.n. Los Angeles 2/3 mile E of Juniper Bowl, Juniper Hills. 1158 Comment
  UCR187190  Astragalus gambelianus A. C. Sanders 2006-4-21 32149 B Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  RSA112059  Astragalus lentiginosus var. albifolius H. D. Ripley, R. C. Barneby 1943-6-21 5853 Los Angeles N. of Lancaster. 640 Comment
  RSA726052  Astragalus lentiginosus var. antonius R. G. Swinney 1997-6-25 5641 Los Angeles San Gabriel Mountains: southwest of Wrightwood, Blue Ridge ca. 0.5 mi. W of Guffy Camp, Forest Service Rd. 3N06, ca. 5.1 miles east of Hwy 2. 2518 Comment
  SD111579  Astragalus lentiginosus var. antonius Wayne P. Armstrong 1982-7-18 Los Angeles Blue Ridge Road southwest of Wrightwood, near Guffy Campground. 2440 Comment
  SBBG96862  Astragalus miguelensis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4208 Los Angeles lower half of China Cyn Comment
  CATA1706  Astragalus trichopodus var. lonchus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3026 Los Angeles Santa Catalina Island: Lower Fern Canyon 195 Comment
  UC397241  Astragalus trichopodus var. lonchus S. B. Parish 1918-2-23 11664 Los Angeles Hermosa Beach Hermosa Beach (dunes of the sea coast) Comment
  LA200443  Astragalus trichopodus var. phoxus Louis Wheeler; 1931-11-11 345 B Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA751514  Atriplex amnicola Carl Wishner, A. Gale 2005-8-12 1 -38 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  SD211579  Atriplex amnicola R. E. Riefner Jr. 2006-7-8 06 289 Los Angeles City of Malibu, Malibu Lagoon at Pacific Coast Highway 10 Comment
  UC1234705  Atriplex argentea var. mohavensis Peter H. Raven 1962-5-8 17619 Los Angeles in clayey grassland near summit of ridge above Wilson Cove (San Clemente Island); , above Wilson Cove 121 Comment
  CDA34303  Atriplex californica M. O'Brien 2011-6-15 15 -Nov Los Angeles Santa Monica Mountains; El Matador State Beach. 30 Comment
  RSA151200  Atriplex californica P. H. Raven 1962-7-11 18010 Los Angeles Wilson s Cove; San Clemente Island 61 Comment
  RSA341621  Atriplex californica F. C. Boutin 1967-4-23 1639 Los Angeles San Clemente Island: Wilson Cove Comment
  JEPS85111  Atriplex canescens Roy E. Buck, Rexford Palmer 1989-4-28 1221 Los Angeles ca 0.5 air km e Pyramid Rock summit (21 air km nw of Castaic, Piru Gorge below Pyramid Dam, in large w-draining side canyon (next large canyon s of Posey Canyon) near mouth); Piru Gorge below Pyramid Dam, s of Posey Canyon 731 Comment
  RSA65360  Atriplex canescens F. W. Peirson 1921-7-1 1811 Los Angeles Soledad Canyon, north base of San Gabriel Mountains. 442 Comment
  UCR259087  Atriplex canescens subsp. canescens R. G. Swinney 2010-10-15 14065 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR281433  Atriplex confertifolia Mitch Provance 2011-7-14 714- 01 Los Angeles Western Mojave Desert, Lancaster, near Rosamond, NW corner of the intersection of Sierra Hwy. and W Ave. B. 704 Comment
  CAS-BOT-BC172640  Atriplex coulteri George B. Grant; Walter Wheeler 1904-4-21 2313 Los Angeles On Santa Catalina Island, at Isthmus, Pacific Ocean, off southern California, Comment
  RSA188194  Atriplex coulteri R. F. Thorne, P. Everett 1965-6-23 34980 Los Angeles Santa Catalina Island. Hay Press Reservoir 411 Comment
  SBBG98506  Atriplex coulteri T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5146 Los Angeles 950 ft WNW of Stone at the beginning of the Stone Cyn drainage 441 Comment
  RSA739269  Atriplex halimus R. E. Riefner 2007-9-23 07 -401 Los Angeles Palos Verdes Peninsula, vicinity of via Coronel Road and Via Olivera Road, Margate School 105 Comment
  RSA3031  Atriplex johnstonii C. B. Wolf 1931-12-30 s.n. Los Angeles Playa del Rey 30 Comment
  SBBG105330  Atriplex lentiformis subsp. breweri R. M. Beauchamp 1975-8-17 4010 Los Angeles above beach at Pyramid Cove Comment
  SD212555  Atriplex lentiformis subsp. breweri Tim Searl 2007-10-15 151007 07 Los Angeles South Coast; Las Flores, along Pacific Coast Highway ca. 3.0 miles east of Malibu. 14 Comment
  LA50816  Atriplex leucophylla Flora Murray Scott; May 1926 sn Los Angeles Santa Monica Mountains, Malibu Ranch Comment
  RSA478310  Atriplex leucophylla G. J. Hoffenberg 1928-7-24 s.n. Los Angeles Del Rey Palisades Comment
  RSA279138  Atriplex prostrata R. F. Thorne 1974-9-13 s.n. Los Angeles Santa Catalina Island. E side of inner Catalina Harbor. Comment
  LA50820  Atriplex semibaccata Harlan Lewis; 1939-10-8 1008 Los Angeles Santa Monica Mountains, West Los Angeles 60 Comment
  RSA478426  Atriplex serenana Anonymous 1925-9-19 s.n. Los Angeles Catalina [Island]. Comment
  UCR123266  Atriplex serenana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25489 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UCR217404  Atriplex serenana David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base 697 Comment
  UCR282518  Atriplex serenana Mitch Provance, Tegan Provance 2017-9-30 917- 11 Los Angeles San Gabriel Mountains / Mojave Desert Transition, Pallet Creek, S side of Pallet Creek Rd., 1.3 miles W of Valyermo Rd. 1146 Comment
  RSA65343  Atriplex truncata F. W. Peirson 1904-8-22 1819 Los Angeles Playa del Rey, coast of Los Angeles Co. Comment
  CAS-BOT-BC146038  Avena barbata Geo. B. Grant 1905-4-9 87 Los Angeles Pasadena. Comment
  SFV21406  Avena barbata L. Gross, N. Fraga, B. Hogshead 2002-3-21 496 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. South of La Tuna Canyon Road at end of Morning Glow Way. Near the main ridgetop south of Morning Glow. 412 Comment
  UCR125390  Avena barbata A. C. Sanders, Mark Elvin 2003-3-5 25733 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR223020  Avena barbata R. G. Swinney 2009-5-5 10626 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UC1109342  Avena fatua Peter H. Raven 1962-4-9 17133 Los Angeles Wilson Cove San Clemente Island (near barracks) 60 Comment
  RSA0042646  Avena fatua Jami Liberi 1983-4-16 5 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  SEINET10868752  Avena fatua Amelia F. Eby Eby s.n. Los Angeles Comment
  SEINET2473453 Image available Avena sativa Richard G. Swinney 2009-1 10377 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills; Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR127645  Azolla filiculoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27137 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  SBBG131547  Azolla filiculoides S. A. Junak 1999-7-16 SCa 1054 Los Angeles lower Cottonwood Cyn, just downstream from crossing of rd to Ben Weston Beach 24 Comment
  SBBG13803  Azolla filiculoides M. A. Piehl 1962-10-3 62522 Los Angeles Middle Ranch Crk; Cottonwood Crk at bridge along main rd, W side of island Comment
  UC63384  Baccharis glutinosa Ernest Braunton 1902-8-1 644 Los Angeles Griffith Park Comment
  UC1595287  Baccharis pilularis Tim Ross 1991-3-10 4221 Los Angeles e side of, (Bernard Field Stn, near Phake Lake, marked as Pit on topo map) RSA; Claremont, Phake Lake 391 Comment
  UC472249  Baccharis plummerae subsp. plummerae Theodore W. Minthorn 1910-10-16 7 Los Angeles near Port Los Angeles Comment
  CHSC25950  Baccharis salicifolia James Henrickson 1972-3-17 7179 Los Angeles 5 road miles along Angeles Crest Hwy 5, NE of La Canada in San Gabriel Mts. 822 Comment
  LA88393  Baccharis salicifolia O. H. Kappler; 1943-4-28 379 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA93202  Baccharis salicifolia F. W. Peirson 1919-02 353 Los Angeles Rubio Canyon, S side of San Gabriel Mts. 549 Comment
  UC1118917  Baccharis salicifolia subsp. salicifolia G. T. Nordstrom 1935-1-8 308 Los Angeles 4 1/2 mi e Bear Mtn.; Tejon Quad. 944 Comment
  RSA128058  Bassia hyssopifolia P. H. Raven, H. J. Thompson 1959-9-6 14365 Los Angeles Salt marsh at mouth of Malibu Creek. 3 Comment
  JEPS47756  Berberis nevinii Margaret Stason March 1927 Los Angeles Pacoima Wash; San Fernando Valley Comment
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Apr 7 2008
  LA204056  Berberis nevinii John Thomas Howell; Martha Hilend 1930-5-11 sn Los Angeles San Fernando Valley Comment
  UC159222  Bergia texana Theodore W. Minthorn 1910-10-22 8 Los Angeles 5 miles East of Los Angeles Comment
  RSA226132  Berula erecta R. F. Thorne 1971-6-17 39883 Los Angeles 0.7 mile W of Soledad Station, Soledad Canyon, N slope of San Gabriel Mountains; wet, sandy flat along Santa Clara River. 610 Comment
  SBBG118572  Bituminaria bituminosa S. L. Hobbs 1999-4-22 1 Los Angeles Clamshell Truck Trail, Monrovia 1079 Comment
  SEINET3146114  Blepharipappus elegans G. B. Grant 1905-4-20 109 Los Angeles Pasadena Comment
  RSA586530  Bloomeria crocea Timothy S. Ross 1992-5-24 6412 Los Angeles Brown s Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam 464 Comment
  SEINET197968  Bloomeria crocea var. aurea G. B. Grant 1901-5-1 114 Los Angeles Garvanza, Cal. Comment
  SBBG127525  Bloomeria crocea var. crocea M. L. Hoefs, S. A. Junak, L. Stratton 1998-6-11 2922 Los Angeles upper Avalon Cyn, near horse trail 109 Comment
  RSA0128796  Boechera californica Orlando Mistretta, Christine Mistretta 2008-4-17 2478 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  CAS-BOT-BC25679  Boechera sparsiflora I. M. Johnston 1918-5-12 1952 Los Angeles San Antonio Mountains. Upper San Antonio Canyon. 1524 Comment
  SD260231  Boechera sparsiflora R. G. Swinney 2011-5-31 14917 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1 - 0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. Station Fire burn of 2009. 1096 Comment
  RSA0128962  Borago officinalis Scott D. White, John Green 2004-4-23 10227 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  UCR202517  Boschniakia strobilacea R. G. Swinney 2001-8-9 8021 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  CAS-BOT-BC95409  Bowlesia incana Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Island Comment
  LA202157  Boykinia occidentalis Dorothy Steinicke; 2004-7-13 Los Angeles 234 Comment
  SD185077  Brachypodium distachyon A. C. Sanders, Lee Jones 2005-4-8 29344 Los Angeles Palos Verdes Peninsula, ole Marineland site on Long Point. 2 Comment
  RSA609972  Brassica napus L. C. Wheeler 1970-5-31 s.n. Los Angeles Los Angeles: NW corner of Pico & Figueroa streets. Comment
  UCR124484  Brassica rapa B. C. Templeton 1932-7-20 5050 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCR213345  Brassica rapa Justin M. Wood 2009-3-6 339 Los Angeles city of Claremont, northwest corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County 412 Comment
  RSA482923  Brassica rapa L. E. Hoffman 1932-2-3 s.n. Los Angeles Arroyo Seco, near Ave. 57, Pasadena. Comment
  UCR280567  Brassica rapa subsp. sylvestris R. G. Swinney 2014-5-13 16485 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
  RSA0105489  Brickellia californica R. G. Swinney 2011-11-3 15992 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  UCR95761  Brickellia californica Lauren Raz, Steve Boyd 1996-10-23 026 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  LA31687  Brickellia californica Peter H. Raven; Henry J. Thompson 1958-10-11 13765 Los Angeles Santa Monica Mountains, Piuma Road, 4.2 mi W of Saddle Peak 640 Comment
  RSA729961  Brickellia microphylla R. G. Swinney 1998-10-24 7026 Los Angeles San Gabriel Mtns.: lower North Fork Lytle Creek ('Alpine Canyon'), east of saddle between Dawson Pk. and Pine Mtn. 2146 Comment
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Jun 7 2016
  CAS-BOT-BC106133  Brickellia nevinii Fordyce Grinnell 1915-11-1 s.n. Los Angeles Echo Mt. near Pasadena Comment
  RSA522932  Brickellia nevinii Timothy S. Ross, Orlando Mistretta 1990-10-24 3294 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  SFV16469  Brickellia nevinii P. M. Schiffman, J. A. Matos 1996-10-22 s. n. Los Angeles San Gabriel Mountains Roadcut along the old Ridge Route between Castaic Lake and Highway 138. Comment
  RSA678124  Brodiaea filifolia Valerie L. Soza, LeRoy Gross 2001-5-22 1242 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (less than 100 feet below). 473 Comment
  POM50850  Bromus carinatus Le Roy Abrams 1901-04 1395 Los Angeles Monte Vista. Comment
  SEINET901504  Bromus carinatus Tim Ross, Steve Boyd 1990-1 3489 Los Angeles Camp Verdugo Pines and vicinity; Northerly draw draining to Jackson Lake; Mescal Creek 7.5; (QUAD); Rancho Santa Ana Botanic Garden 1877 Comment
  RSA0095250  Bromus carinatus var. carinatus R. G. Swinney 2011-6-20 15226 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  RSA229192  Bromus carinatus var. carinatus R. F. Thorne, C. W. Tilforth 1971-6-30 40761 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek 1616 Comment
  RSA230042  Bromus carinatus var. carinatus R. F. Thorne 1971-6-26 40600 Los Angeles Summit of Mt. Wilson 1738 Comment
  RSA610975  Bromus carinatus var. carinatus L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mountains: Little Fish Fork, Fish Fork Camp. 2012 Comment
  UC1137107  Bromus carinatus var. carinatus August L. Hormay 1932-7-30 Los Angeles vicinity of Los Angeles Comment
  CAS-BOT-BC148925  Bromus carinatus var. marginatus George B. Grant 1906-6-16 6794 Los Angeles Summit Mount Wilson. 1828 Comment
  POM13956  Bromus catharticus P. A. Munz 1922-4-15 5142 Los Angeles Claremont. 365 Comment
  RSA650442  Bromus hordeaceus Marion P. Harthill 1972-4-8 656 Los Angeles [San Gabriel Mountains] Azuza Canyon, Angeles National Forest 457 Comment
  SBBG97027  Bromus hordeaceus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4414 Los Angeles Bryce Cyn near Malo Pt Comment
  SEINET3922488  Bromus hordeaceus A. C. Sanders, Helen Kennedy 2005-4-13 29475 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons (Mint Canyon).; 0 457 Comment
  UCR190728  Bromus hordeaceus R. G. Swinney 1990-3-24 1552 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  UC2026501  Bromus madritensis subsp. madritensis Louis C. Wheeler 1975-6-8 s. n. Los Angeles SAN GABRIEL MOUNTAINS: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  UCR104099  Bromus madritensis subsp. madritensis Scott D. White 1997-5-21 5200 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  LA13780  Bromus orcuttianus Victor Duran; 1933-7-20 3521 Los Angeles San Gabriel Mountains, Buckhorn 1981 Comment
  UCD59293  Bromus pseudolaevipes Peter H. Raven 1960-5-15 15354 Los Angeles Santa Monica Mountains. Piuma Road 2.1 miles east of Rambla Pacifica. 487 Comment
  CAS-BOT-BC161867  Bromus rubens Carl Epling 1931-4-1 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  RSA518482  Bromus rubens A. C. Sanders 1988-2-3 7606 Los Angeles El Segundo Dunes, immediately W of LA..International Airport and Pershing Drive, E of Vista Del Mar Boulevard. 30 Comment
  RSA628954  Bromus rubens L. C. Wheeler 1968-4-26 s.n. Los Angeles Saddle immediately east of Magic Mountain Comment
  UCD59650  Bromus rubens Robert F. Thorne; P. Everett 1965-5-10 34454 Los Angeles Around Echo Lake, Santa Catalina Island. 411 Comment
  UCR281854  Bromus rubens R. G. Swinney 2014-4-10 16061 A 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
  POM364047  Bromus secalinus Anstruther Davidson 1889-1 s.n. Los Angeles Los Angeles. Comment
  UCSB49805  Bromus tectorum Black, Nan 1968-5-10 Los Angeles 25 yds S of Escondido Canyon Rd, 0.3 mi S of jct with State Highway 14 914 Comment
  RSA466538  Calandrinia ciliata Bonnie C. Templeton 1930-4-2 1407 Los Angeles Mulholland Dr., Northwest of Hollywood 600 Comment
  UCR187210  Calandrinia ciliata A. C. Sanders 2006-4-21 32135 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  UCR61034  Calendula officinalis R. G. Swinney 1989-8-25 s.n. Los Angeles San Gabriel Mtns., Glendora, base of the San Gabriel Mountains, c. 100 meters n. of Blue-bird Truck Rd., c. 200 meters w. of San Dimas Expt. For. boundary, s. of Big Dalton Cyn. Wilderness Park 795 Comment
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Mar 7 2013
  CAS-BOT-BC167291  California macrophylla Ernest C. Twisselmann 1962-4-18 6959 Los Angeles Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  RSA68668  Calochortus albus Frank W. Peirson 1923-5-21 8605 Los Angeles Fish Canyon, San Gabriel Mountains. 610 Comment
  RSA733426  Calochortus albus Richard G. Swinney 2000-5-25 7784 Los Angeles San Gabriel Mnts.: Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon. 1000 Comment
  CAS-BOT-BC132287  Calochortus catalinae Peter H. Raven; H. L. Wedberg 1957-6-15 10909 Los Angeles In Latigo Canyon, 0.8 miles n. of U.S. 101A, Santa Monica Mts. Comment
  OBI69272  Calochortus catalinae John Knapp, Denise Knapp 2003-4-13 9 Los Angeles Catalina Island 44 Comment
  RSA377288  Calochortus catalinae F. R. Fosberg 1931-3-25 S- 4359 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 140 Comment
  UCSB618  Calochortus catalinae Wedberg, H. 1958-4-26 Los Angeles Mulholland Drive, 2-3 miles west of Beverly Glen, Santa Monica Mts Comment
  POM183610  Calochortus catalinae Joseph A. Ewan 1929-5-25 3485 Los Angeles Above Providencio Rancho, Santa Monica Mountains. Comment
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May 9 2014
  RSA0051310  Calochortus clavatus Allison D. Rudalevige, Jennifer S. Pareti, Sandra Leatherman, Sarah Thomas, Jordan Zylstra, Jason Mintzer 2014-4-23 ADR 8 Los Angeles Castaic Area, west of Castaic Lake. 480 Comment
  SBBG122014  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-28 749 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 585 Comment
  UCR237989  Calochortus clavatus var. gracilis D. E. Bramlet, Jennifer Pareti 2008-5-6 4251 Los Angeles Transverse Ranges; Liebre Mountains Region, Bouquet Canyon, 854 m SE of Bouquet Canyon Rd. & 579 m south of Hayfork Rd. 486 Comment
  CAS-BOT-BC483413  Calochortus invenustus John Thomas Howell 1947-7-18 23414 Los Angeles Blue Ridge, San Gabriel Mountains 2590 Comment
  SBBG57691  Calochortus kennedyi R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk 1066 Comment
  POM305745  Calochortus plummerae H. J. Ramsey, Henry J. Ramsey 1937-6-27 948 Los Angeles Bear Creek, north of Pacoima Reservoir, Angeles National Forest, San Gabriel Mountains. Comment
  POM246449  Calochortus splendens F. R. Fosberg 1931-4-23 S- 4690 Los Angeles SE slopes of Black Jack Mountain, Santa Catalina Island 350 Comment
  RSA651580  Calochortus splendens D. Bartholomew 1961-5-20 s.n. Los Angeles San Antonio Heights. Comment
  UCR20280  Calochortus splendens T. P. Krantz 1979-6-21 s.n. Los Angeles San Gabriel Mtns, 0.3 mi below Alder Saddle on 5N04, along South Fork of Little Rock Creek 1677 Comment
  CAS-BOT-BC493411  Calochortus splendens Williams; Street; Munz 1919-5-3 2625 Los Angeles Santa Ana River Canon Comment
  RSA641309  Calochortus striatus Orlando Mistretta, Mark Elvin 1995-3-30 1673 Los Angeles Lancaster area: Northwest corner of Sierra Highway and Avenue C, north of Lancaster. Comment
  SD247272  Calochortus venustus Mitch Provance 2010-5-18 0510 48 Los Angeles Westernmost Mojave Desert: along Hwy 138, c. 0.5 mile WSW of intersection with 300th Street West (La Liebre Ranche 7.5'Q) 940 Comment
  CAS-BOT-BC496760  Calochortus venustus S. M. Kaune 1962-6-13 386 Los Angeles ca. 15-20 mi. s. of Tejon Pass; on route toward Castaic; off of Hwy 99; just s. and above Oso canon; sw. end of the Tehatchopi Mtns.; Angeles Nat'l Forest 914 Comment
  UCR258902  Calyptridium monandrum R. G. Swinney 2010-4-30 12461 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCR239611  Calystegia macrostegia Dan S. Cooper 2012-8-6 812- 53 Los Angeles Western Transverse Range; Santa Monica Mountains, Las Flores Canyon along Gorge Rd. 116 Comment
  RSA71107  Calystegia macrostegia subsp. amplissima F. W. Peirson 1923-4-9 3483 Los Angeles San Clemente Island: 2 miles SE of Wilson's Cove Comment
  RSA710776  Calystegia macrostegia subsp. intermedia R. K. Brummitt 1998-5-24 20019 Los Angeles San Gabriel Canyon between two dams; steep shrubby roadside bank. 400 Comment
  UCR280553  Calystegia macrostegia subsp. intermedia R. G. Swinney 2014-6-5 16701 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  CAS-BOT-BC292507  Calystegia sepium subsp. binghamiae LeRoy Abrams 1899-4-1 310 Los Angeles Cienega Comment
  POM50049  Camissonia californica L. R. Abrams 1901-4-3 1271 Los Angeles Santa Monica Mountains. Comment
  RSA144784  Camissonia campestris subsp. campestris E. G. Linsley, J. W. McSwain 1960-5-3 60 -41 Los Angeles Along state Highway 138, 0.5 miles east of Gorman-Lancaster junction. Comment
  UC1186525  Camissonia campestris subsp. campestris E. G. Linsley and J. W. MacSwain 1960-5-3 60 -41 Los Angeles Hwy 138 0.5 mi e Gorman-Lancaster junction Comment
  UCR205226  Camissonia claviformis R. G. Swinney 2008-5-2 8722 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA135205  Camissonia claviformis subsp. claviformis P. A. Munz 1957-5-15 22579 Los Angeles 14 miles east of Lancaster, Mojave Desert. Comment
  RSA448983  Camissonia hirtella Anstruther Davidson 1889-07 s.n. Los Angeles Riverside. Los Angeles. Comment
  RSA549795  Camissonia intermedia Wandalee Thompson 1964-4-11 11 Los Angeles San Francisquito Canyon. 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
  POM196707  Camissonia intermedia Bonnie C. Templeton, I. W. Clokey 1929-4-11 4458 Los Angeles Mandeville Canon, Santa Monica Mts. 366 Comment
  RSA609610  Camissonia lewisii Louis C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 61 Comment
  HSC87157  Camissonia micrantha Steve Boyd, T. S. Elias 1987-4-14 2034 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  RSA703391  Camissonia pallida subsp. pallida Gary D. Wallace, Ann Hiller 1983-5-18 2062 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  RSA507528  Camissonia strigulosa Louis C. Wheeler 1967-5-18 9644 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  UCR282003  Camissonia strigulosa R. G. Swinney 2014-5-1 16319 A Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  SDSU3336  Camissoniopsis bistorta H. Wedberg 1959-4-12 408 Los Angeles Tapia Park, Santa Monica Mountains. Comment
  CAS-BOT-BC160249  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1962-7-10 17958 Los Angeles Near northwest end of island. San Clemente Island Comment
  SFV16024  Camissoniopsis cheiranthifolia subsp. suffruticosa A. M. Orcino, A. Sutton 1994-4-22 2 Los Angeles Los Angeles Basin Playa del Rey Beach at corner of Pacific Avenue and Convoy Street, 0.1 miles north of Culver Blvd. 1 Comment
  CAS-BOT-BC160513  Camissoniopsis guadalupensis subsp. clementina Peter H. Raven 1962-5-8 17628 Los Angeles San Clemente Island. Dunes on western side of island opposite Wilson Cove 30 Comment
  RSA802574  Camissoniopsis hirtella Orlando Mistretta, Christine Mistretta 2011-7-6 5916 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  UCD77447  Camissoniopsis intermedia Robert E. Preston 1998-6-19 1149 Los Angeles Mint Canyon, ca. 0.5 mile N of Sierra Hwy 804 Comment
  UC874051  Camissoniopsis micrantha F. R. Fosberg 1931-3-20 S 4315 Los Angeles mouth of Hamilton Canyon Santa Catalina Island 2 Comment
  UC20647  Camissoniopsis pallida subsp. pallida J. Burtt Davy May 9 1896-May 24 1896 2506 Los Angeles Manzana Antelope Valley Comment
  CAS-BOT-BC37459  Cardamine californica J. Ewan 1930-3-30 2279 Los Angeles San Gabriel Mountains. Monrovia Canyon. 640 Comment
  CAS-BOT-BC37463  Cardamine californica Wesley O. Griesel 1962-2-22 s.n. Los Angeles Near Cornell Post Office. Santa Monica Mountains. 304 Comment
  LA204288  Cardamine californica Carl Epling; May 1925 sn Los Angeles Arroyo Seco, [Pasadena?] Comment
  SD69467  Cardamine californica Robert F. Thorne 1966-4-7 35962 Los Angeles Santa Catalina Island; at bottom of canyon, Cherry Valley. 60 Comment
  UCD114195  Cardamine californica Daryl Koutnik 1978-3-24 161 Los Angeles east side of Cornell Road, 1 mile south of Seminole Hot Springs. 365 Comment
  POM346628  Cardamine californica var. californica Barry Burnell 1971-3-18 238 Los Angeles San Dimas Canyon, 6.2 miles from the intersection of Foothill and San Dimas Canyon Rd. 480 Comment
  POM358  Cardamine californica var. californica D. L. Crawford 1916-3-1 s.n. Los Angeles Mts above Claremont. Moist Canyon 1828 Comment
  UCR261542  Cardamine oligosperma R. G. Swinney 2010-2-27 11706 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-BC37899  Cardamine oligosperma A. R. Roos 1958-6-12 s.n. Los Angeles Evans & Reeves Nursery, Brentwood. West Los Angeles. Comment
  RSA729707  Carex alma R. G. Swinney 1998-7-28 6514 Los Angeles San Gabriel Mtns.: south fork of Cow Canyon at and above Fallen Leaf spring, to 0.2 mi. south of Glendora Ridge rd. 1366 Comment
  UC1595251  Carex alma Tim Ross and Peter Fritsch 1990-6-20 3637 Los Angeles mouth of Burron Canyon near confluence of the E and W Forks of San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
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Nov 3 2010
  UCR199826  Carex alma Steve Boyd, Amber Maurice 2004-5-18 11336 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA602754  Carex bolanderi L. C. Wheeler 1967-8-2 10298 Los Angeles San Gabriel Mountains, Angeles National Forest: Sheep Camp Spring, W slope Mt. Pacifico 1951 Comment
  RSA0011528  Carex fracta Orlando Mistretta, Christine Mistretta 2011-6-23 5728 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  CAS-BOT-BC21913  Carex heteroneura Robert F. Thorne 1971-8-25 41260 Los Angeles Lily Spring on NW slope of Mt. Hawkins. San Gabriel Mountains, Angeles National Forest. Comment
  POM222224  Carex schottii L. C. Wheeler 1936-6-21 4169 Los Angeles W Fork Palmer Canyon 640 Comment
  RSA605014  Carex schottii L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  UC837149  Carex schottii I. M. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4613 Los Angeles Bouquet Canyon 450 Comment
  RSA724713  Carex senta K. Dobry 1991-3-15 425 -a Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  RSA364532  Carex spissa Anstruther Davidson 1890-04 s.n. Los Angeles San Fernando. Comment
  RSA535880  Carex spissa Timothy S. Ross 1991-9-1 5894 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 426 Comment
  SEINET7577189 Image available Carex subfusca Louis C. Wheeler 1966-9-21 8917 Los Angeles San Gabriel Mountains, Lily Spring. 2438 Comment
  CAS-BOT-BC115635  Carex triquetra George Bernard Grant 1901-8-1 139 Los Angeles Aroyo Seco Canyon. 609 Comment
  UCR194253  Castilleja R. G. Swinney 1998-8-6 6673 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR202521  Castilleja R. G. Swinney 2005-8-15 8478 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
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Jul 28 2021
  POM180171  Castilleja affinis J. Ewan 1930-5-17 5509 Los Angeles Pico Canyon above Newhall. 549 Comment
  RSA250619  Castilleja affinis subsp. affinis Robert F. Thorne 1971-4-2 41407 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  SEINET3079362 Image available Castilleja angustifolia var. dubia Norman C. Cooper 1948-4-21 2667 Los Angeles Littlerock 762 Comment
  RSA660186  Castilleja applegatei subsp. martinii Orlando Mistretta 1992-7-9 652 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA730601  Castilleja applegatei subsp. martinii Robert F. Thorne, M. Z. Thorne 1969-7-2 38208 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1616 Comment
  HSC90853  Castilleja applegatei subsp. martinii L. R. Heckard 1971-5-25 2584 Los Angeles Just above canyon bridge along Rd. (N3) over San Gabriel Mts. to Palmdale 1341 Comment
  UC729802  Castilleja exserta Carl B. Wolf Los Angeles Avalon Santa Catalina Island (first main ridge s of Wm. Wrigley, Jr. home) 243 Comment
  RSA592310  Castilleja exserta subsp. exserta Louis C. Wheeler 1967-5-13 9514 Los Angeles San Gabriel Mountains. West side of Little Dalton Canyon, Glendora Mt. Road. 480 Comment
  POM8510  Castilleja foliolosa Philip A. Munz, R. D. Harwood 1920-5-15 3925 Los Angeles Sepulveda Canyon. 244 Comment
  UC1018207  Castilleja foliolosa J. Warren 1952-5-3 Los Angeles Mt. Baldy 1219 Comment
  RSA448772  Castilleja minor subsp. spiralis Louis C. Wheeler 1932-6-26 879 Los Angeles San Gabriel Canyon. 335 Comment
  RSA81474  Castilleja minor subsp. spiralis F. W. Peirson 1951-9-1 211 Los Angeles Arroyo Seco, Pasadena Comment
  CAS-BOT-BC241067  Castilleja plagiotoma Peter Kamb Ray 1948-5-6 943 Los Angeles Desert slope of the San Gabriel Mountains, above and south of Little Rock 975 Comment
  SBBG118586  Castilleja plagiotoma L. Gross, O. Mistretta, V. Soza 2003-5-13 848 Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  UC57005  Castilleja subinclusa subsp. subinclusa H. M. Hall Apr 1902 3071 Los Angeles 10 mi w Palmdale; Antelope Valley Comment
  RSA706668  Caulanthus amplexicaulis var. amplexicaulis Naomi Fraga, Paul Morton 2004-5-19 1190 Los Angeles Trail (7W02) to Baldy from San Antonio Falls Road. 2104 Comment
  RSA597820  Caulanthus cooperi L. C. Wheeler 1969-4-20 s.n. Los Angeles Mt. Emma Road just north of National Forest Boundary; ridge east of Hunt Canyon. Comment
  UC1292765  Caulanthus coulteri Freed W. Hoffman 1950-4-20 3407 Los Angeles Lancaster road (Hwy 138), 1.0 mi from Hwy 99 Comment
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Feb 23 2016
  LA200340  Caulanthus heterophyllus Henry J. Thompson; 1959-4-12 1919 Los Angeles Santa Monica Mountains, Mulholland Hwy, 2 mi W of Las Virgenes Rd 304 Comment
  UCSB33611  Caulanthus inflatus Cummings, C. 1965-4-12 Los Angeles Hi Vista 762 Comment
  RSA213331  Ceanothus arboreus Reid V. Moran 1941-2-23 607 Los Angeles Santa Catalina Island. Ridge between Johnson's Valley and Howland's Valley 122 Comment
  CAS-BOT-BC48739  Ceanothus crassifolius Roxana S. Ferris 1941-3-9 10321 Los Angeles Pico Canyon, Santa Susana Mountains, about 2 miles west of U.S. Highway #99 Comment
  CAS-BOT-BC48756  Ceanothus crassifolius Tim Ross; Orlando Mistretta 1993-5-26 7299 Los Angeles W end of the San Gabriel Mtns: southerly slope off the main E/W divide about midway 993 Comment
  CLARK-A1528-3883  Ceanothus crassifolius John C. Roos 1942-3-7 1105 Los Angeles San Gabriel Mountains Comment
  UC1184968  Ceanothus crassifolius Huron H. Smith 1912-4-30 4875 Los Angeles Mt. Wilson 975 Comment
  UC1211151  Ceanothus crassifolius Huron H. Smith 1912-4-23 4813 Los Angeles Eagle Rock 213 Comment
  UCR184204  Ceanothus cuneatus A. C. Sanders, T. B. Salvato 2007-4-24 33492 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1128 Comment
  RSA0060776  Ceanothus leucodermis LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6814 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 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
  UCR204098  Ceanothus leucodermis Mark A. Elvin, Anne Marie Ruff 1996-8-1 302 Los Angeles Transverse Ranges; San Gabriel Mountains, Angeles National Forest, Glendora Ridge Road, 4.2 mi from gate 1043 Comment
  RSA0028429  Ceanothus leucodermis George B. Grant, Walter Wheeler 1904-5-17 2560 Los Angeles Mt. Wilson. 1524 Comment
  RSA399111  Ceanothus megacarpus Louis C. Wheeler 1932-2-20 448 Los Angeles Mandeville canyon, Santa Monica mtns. 137 Comment
  RSA650501  Ceanothus megacarpus A. E. Hersh 1950-7-15 s.n. Los Angeles about 3 miles from west end of Topanga Canyon. El. 152 Comment
  RSA190993  Ceanothus megacarpus var. insularis Robert F. Thorne, Doug Propst, R. Caroline, Reed Rollins 1967-3-18 36733 Los Angeles Santa Catalina Island. Salta Verde, approx. N of Salta Verde Pt. 366 Comment
  RSA399703  Ceanothus megacarpus var. insularis Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  SBBG32103  Ceanothus megacarpus var. insularis R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -177 Los Angeles just E of Wild Boar Gully, Salta Verde Comment
  CAS-BOT-BC51435  Ceanothus megacarpus var. megacarpus Peter H. Raven; Robert F. Thorne 1964-5-7 19027 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  LA43629  Ceanothus megacarpus var. megacarpus John Thomas Howell; 1928-3-2 3353 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park 243 Comment
  SBBG91497  Ceanothus megacarpus var. megacarpus M. W. Parratt 1965-1-25 640 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC50486  Ceanothus oliganthus H. E. McMinn 1925-8-6 1551 c Los Angeles Sawpit Canyon, San Gabriel Mts. Comment
  JEPS42113  Ceanothus oliganthus C. E. Hutchinson 1892-7-20 Los Angeles San Gabriel Mts., Mt. Wilson 762 Comment
  RSA127441  Ceanothus oliganthus H. J. Thompson 1959-3-22 1868 Los Angeles 1 mile W of Triunfo Canyon, 3 miles W of Malibu Lake, Lobo Canyon. 274 Comment
  RSA399743  Ceanothus oliganthus var. oliganthus Albert J. Perkins 1914-3-1 s.n. Los Angeles Santa Anita Canyon. Comment
  SEINET13946037 Image available Ceanothus perplexans Martha P. Creighton 1952-1 461 Los Angeles Juniper Hills, Sima Mesa, Gabriel Mts., 4400 ft alt 1341 Comment
  UCR223514  Ceanothus vestitus R. G. Swinney 2009-5-28 10963 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR149813  Celtis australis Scott D. White, John Green 2004-4-23 10233 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA608873  Cenchrus longispinus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  SEINET3925820  Cenchrus longispinus Louis C. Wheeler 1966-10-22 9043 Los Angeles San Gabriel Mountains. Grandad's Ranch, Aliso Canyon.; 0 Comment
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Nov 23 2015
  SBBG31301  Centaurea cineraria R. F. Thorne with P. C. Everett 1965-6-23 35016 Los Angeles Hamilton Cyn, N of Descanso Cyn 60 Comment
  RSA772394  Centaurea melitensis R. G. Swinney 2009-5-8 10697 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SFV16020  Centaurea melitensis A. M. Orcino, A. Sutton 1994-5-21 36 Los Angeles San Fernando Valley Van Nuys. Sepulveda Wildlife Reserve, Sepulveda Basin. 215 Comment
  LA91518  Centaurea melitensis Bruce Douglas Clayton; Greg Clayton 1972-5-13 118 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, on firebreak E of canyon overlook 594 Comment
  RSA320813  Centaurea melitensis F. C. Boutin 1967-4-23 1633 Los Angeles San Clemente Island: Wilson Cove Comment
  UC1375328  Centaurium exaltatum Robert F. Thorne and C. W. Tilforth 1971-6-29 40694 Los Angeles 2.2 mi down Aliso Canyon junction with Angeles Forest Rd. (margins of Aliso Creek); San Gabriel Mts., Angeles National Forest, Aliso Creek 1036 Comment
  UCR204056  Centaurium exaltatum R. G. Swinney 2005-7-8 8278 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  SEINET181907  Centaurium venustum Unknown 1929-7-1 4574 Los Angeles Mandeville Canyon, Santa Monica Mountians. 200 Comment
  UC444841  Centaurium venustum I. J. Condit Los Angeles San Dimas Comment
  RSA0051757  Centaurium venustum A. Lee Haines 1967-6-20 s.n. Los Angeles Mulholland Highway and Las Virgines Road, Santa Monica Mountains. 304 Comment
  UC1871300  Centrostegia thurberi T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3898 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Comment
  RSA586997  Centrostegia thurberi Orlando Mistretta 1992-5-8 300 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  CAS-BOT-BC388303  Cerastium glomeratum Geo. B. Grant 1903-3-1 s.n. Los Angeles Monrovia Comment
  RSA0098633  Ceratophyllum demersum R. G. Swinney 2010-9-7 13702 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  CAS-BOT-BC142140  Cercocarpus betuloides var. betuloides C. F. Baker 1903-8-2 3441 Los Angeles San Antonio Canyon near Claremont Comment
  LA34190  Cercocarpus betuloides var. betuloides Peter H. Raven; Henry J. Thompson 1959-9-27 14547 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy just E of Decker Rd. 548 Comment
  RSA250435  Cercocarpus betuloides var. betuloides Robert F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41610 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
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Nov 5 2014
  UCR194000  Cercocarpus ledifolius R. G. Swinney 1998-8-13 6735 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  RSA0087064  Chaenactis artemisiifolia R. G. Swinney 2010-5-4 12518 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  UCR111499  Chaenactis glabriuscula A. C. Sanders, D. Malueg 1998-6-22 22023 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 Comment
  SD132001  Chaenactis glabriuscula Barbara Ertter, L. Heckard, et. al. 1988-5-23 7476 Los Angeles Pine Canyon Road, along San Andreas fault on north side of San Gabriel Mountains. Comment
  RSA595117  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8577 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N05, 6.2 road miles from jtn with 8N05. 1174 Comment
  UC894480  Chaenactis glabriuscula var. glabriuscula C. F. Baker 1904-5-1 4784 Los Angeles hills near Claremont Pacific Coast, Claremont Comment
  SBBG14717  Chaenactis glabriuscula var. glabriuscula P. H. Raven 1962-5-1 17523 Los Angeles just S of Agoura 259 Comment
  CAS-BOT-BC277832  Chaenactis santolinoides Rimo Bacigalupi; G. Thomas Robbins; L. R. Heckard 1953-6-14 4189 Los Angeles Upper slopes of So. Fork of Little Rock Creek Canyon, higher north slopes of the San Gabriel Mts., Angeles National Forest 1554 Comment
  CLARK-A1528-4928  Chaenactis santolinoides John C. Roos 1937-5-31 2035 Los Angeles San Gabriel Mountains Comment
  RSA351848  Chaenactis xantiana Anstruther Davidson, Hasse 1906-6-9 1462 Los Angeles Big Rock Creek. Comment
  RSA249823  Chamaesyce albomarginata R. F. Thorne, Gary D. Wallace 1973-4-25 43391 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
  POM2856  Chamaesyce melanadenia D. L. Crawford 1915-7-18 s.n. Los Angeles Glendora foothills Comment
  RSA599348  Chamaesyce melanadenia L. C. Wheeler 1968-3-17 s.n. Los Angeles Morgan Canyon at Ferguson Motorway 488 Comment
  CHSC24454  Cheilanthes covillei G. R. Pintler 1976-4-16 13 Los Angeles Ca. 5.2 mi w of Junc of Mt. Baldy Rd and Glendora Ridge Rd, ca. 2 m s of Glendora Ridge Rd, ca. 2 mi w of Sunset Peak. 914 Comment
  RSA512038  Cheilanthes covillei L. C. Wheeler 1967-5-23 9709 Los Angeles At mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA613608  Cheilanthes covillei L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  RSA423408  Chenopodium ambrosioides H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. 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
  SBBG65291  Chenopodium berlandieri R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  SEINET12723482 Image available Chenopodium berlandieri R. G. Swinney 2011-1 15680 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  UC1595401  Chenopodium berlandieri Tim Ross and Annette H. Ross 1991-7-29 5688 Los Angeles Elephant Hill San Dimas USGS 7.5' quad., Puente Hills, W Pomona (sw side, hill in n-most point of Puente Hills) 316 Comment
  UCR281160  Chenopodium berlandieri R. G. Swinney 2014-6-5 16713 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  RSA0085505  Chenopodium fremontii R. G. Swinney 2010-9-9 13800 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA730180  Chenopodium hians R. G. Swinney 1998-9-4 6889 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06 2241 Comment
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Apr 11 2010
  UCR272630  Chenopodium leptophyllum R. G. Swinney 2011-9-22 15669 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  LA200363  Chenopodium multifidum Jonathan Sauer; L. Onesti 1973-11-22 5563 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  OBI35624  Chenopodium murale Rebecca Cicoria 1981-4-24 21 Los Angeles Upper end of Altamira Cyn, adj to Crest Rd, Rolling Hills Comment
  UC527181  Chloris gayana Carl B. Wolf 1932-9-16 4121 Los Angeles Bryant Ranch Long Beach (on w side of San Gabriel River Flood Control, 1400 ft s of 7th St., Long Beach); w side of San Gabriel River Flood Control, Long Beach 3 Comment
  UCR85816  Chlorogalum parviflorum T. S. Ross, Annette Ross 1991-6-3 5528 Los Angeles San Gabriel Valley, Elephant Hill: western Pomona 287 Comment
  SBBG124787  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2010-4-7 2156 Los Angeles Newhall Ranch, 1.8 km S of jct of Interstate 5 and Hwy 126 345 Comment
  UC849146  Chorizanthe parryi var. parryi Louis C. Wheeler 1932-5-27 765 Los Angeles Thompson Creek Dam near Claremont; Thompson Creek Dam near Claremont 487 Comment
  RSA226228  Chorizanthe staticoides Gary D. Cromwell, David W. Wheat 1971-4-30 621 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora, west-facing slope above lower part of canyon 396 Comment
  SD46365  Chorizanthe staticoides Darley F. Howe 1956-7-1 2551 Los Angeles Near San Fernando, San Gabriel Mts. Comment
  UC1605446  Chorizanthe staticoides Tim Ross, Steve Boyd 1993-5-23 7226 Los Angeles on northerly slope 140-220 m se of the saddle between Ruby and Clearwater Canyons (lower, easternly ridge of Red Mtn.); Liebre Mountains, lower e ridge Red Mtn, Green Valley Quad. 950 Comment
  UCR152903  Chorizanthe staticoides A. C. Sanders, Helen Kennedy 2005-4-13 29435 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA587219  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 1995-5-2 1670 Los Angeles San Gabriel Mountains: Carr Canyon. 1067 Comment
  CLARK-A1528-1762  Chrysanthemum carinatum Alfred R. Roos 1955-5-7 Los Angeles El Segundo Comment
  CLARK-A1528-5627  Chrysanthemum coronarium Alfred R. Roos 1955-5-7 Los Angeles El Segundo Comment
  UC1980198  Chrysanthemum coronarium R. Old 2003-3-20 sn Los Angeles USA. CALIFORNIA. Los Angeles. Santa Monica / Los Angeles vicinity. Comment
  JEPS48990  Chrysolepis sempervirens Joseph Andorfer Ewan 1934-8-9 8307 Los Angeles about Mount Williamson summit; Mount Williamson 2499 Comment
  RSA0115960  Chrysolepis sempervirens R. G. Swinney 2010-9-21 13850 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  UCR124727  Chrysolepis sempervirens B. C. Templeton 1932-7-21 5031 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCD150956  Chrysothamnus viscidiflorus D. S. Park 2010-4-26 41 Los Angeles Ranch Santa Ana Botanic Garden 401 Comment
  POM352121  Cichorium intybus Robert Gustafson 1980-7-9 1830 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA0105220  Cirsium occidentale R. G. Swinney 2011-7-8 15471 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak. 1207 Comment
  RSA0059666  Cirsium occidentale Mark Hoefs 1973-3-11 54 Los Angeles Santa Catalina Island. Near Renton Mine Road. 213 Comment
  POM246452  Cirsium occidentale var. occidentale F. R. Fosberg 1931-5-13 4860 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  POM293895  Cirsium occidentale var. occidentale Lyman Benson 1947-3-29 12286 Los Angeles Indian Hill, City of Claremont. 427 Comment
  RSA658412  Cirsium vulgare Erinn Wilson 1996-4-26 14 Los Angeles G Canyon on Cal Poly Campus Pomona. Comment
  RSA191133  Cistanthe monandra R. F. Thorne, M. Z. Thorne 1967-6-25 37092 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA653909  Cistanthe monandra Valerie L. Soza, Laura Moore 2000-5-10 849 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 563 Comment
  RSA679990  Cistanthe monandra LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 897 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA225675  Cistanthe monosperma M. Z. Thorne, Christopher Davidson 1971-6-12 39854 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. San Antonio, Baldy Notch 2439 Comment
  RSA226054  Cistus creticus R. F. Thorne, C. W. Tilforth 1971-6-17 39920 Los Angeles Angeles National Forest; at Bear Divide station 822 Comment
  CAS-BOT-BC223896  Cistus ladanifer Timothy S. Ross; Steve Boyd 1990-5-15 2530 Los Angeles San Gabriel Mountains. Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; peripheral ridge N from Yerba Buena Rd dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N). In areas closer to the road (3N29) 1021 Comment
  UCR146483  Cistus ladanifer Scott D. White 2004-7-27 10628 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  SEINET10956560  Citrus limon Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2497 Los Angeles City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd. 270 Comment
  CAS-BOT-BC172434  Clarkia bottae Raymond J. Dobbs 1927-5-26 s.n. Los Angeles Loner Arroyo Comment
  CHSC22112  Clarkia bottae Robert A. Schlising 1968-7-6 2897 Los Angeles Santa Monica Mts. along Mulholland Dr. 1.4 miles west of Jct. with San Diego Hwy. Roadside. Comment
  POM50320  Clarkia bottae L. R. Abrams 1901-6-4 1713 Los Angeles Los Tunas Canyon. Comment
  UC56102  Clarkia bottae J. H. Barber 1897-6-25 Los Angeles canyon above Lang Comment
  UCR166712  Clarkia bottae Scott D. White, Jennifer H. Jones 2005-6-23 11146 Los Angeles San Gabriel Mtns, Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon 1098 Comment
  UC1122390  Clarkia dudleyana A. L. Haines and A. H. Warne 1935-7-11 206 Los Angeles just above Flume; Pomona Quadrangle, Bell Canyon Comment
  UCR189405  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
  CSUSB237  Clarkia purpurea John Milbauer 1976-5-15 Los Angeles Santa Monica Mountains Santa Monica Mountains, Old Topanga Canyon road Comment
  CAS-BOT-BC163711  Clarkia purpurea subsp. quadrivulnera R. J. Dobbs 1924-6-5 s.n. Los Angeles Swetzers [Switzer] Comment
  CATA1587  Clarkia purpurea subsp. quadrivulnera Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2857 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  RSA724371  Clarkia purpurea subsp. quadrivulnera K. Dobry 1991-5-22 d- 769 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UC1143240  Clarkia purpurea subsp. quadrivulnera H. Lewis and M. Lewis 1947-5-7 210 Los Angeles 0.9 mi n Ranger Station (Decker Road); Santa Monica Mts. Comment
  RSA73350  Clarkia rhomboidea F. W. Peirson 1919-6-5 5307 -a Los Angeles San Antonio Canyon, along stream bed above bridge. 1448 Comment
  RSA73354  Clarkia rhomboidea Louis C. Wheeler 1932-7-2 901 Los Angeles Browns Flat, San Gabriel Mts. 1311 Comment
  UCR271674  Clarkia xantiana R. G. Swinney 2011-5-31 14922 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
  UCR276947  Claytonia parviflora R. G. Swinney 2010-5-21 12853 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA678323  Claytonia parviflora subsp. parviflora V. Soza, LeRoy Gross 2002-4-3 1381 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 549 Comment
  UCR193160  Claytonia perfoliata R. G. Swinney 1998-7-14 6453 Los Angeles San Gabriel Mtns., north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat 2165 Comment
  POM793  Claytonia perfoliata subsp. intermontana D. L. Crawford 1915-6-30 s.n. Los Angeles Bear Flats, mountains above Claremont 2134 Comment
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Jan 23 2011
  RSA597769  Claytonia rubra subsp. rubra Steve Boyd, Lauren Raz 1997-3-14 9181 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  RSA386206  Clematis lasiantha Thekla Mohr 1911-1 s.n. Los Angeles Los Angeles. Comment
  RSA396476  Clematis lasiantha Walter Wisura, A. Liston, S. D. Boyd 1987-4-30 4147 Los Angeles 8.6 miles from Rincon Forest Station along Rincon-Red Box forest road. San Gabriel Mountains. Comment
  LA52244  Clematis lasiantha Tom O'Donnell; 1953-4-30 Los Angeles SANTA MONICA MOUNTAINS, Big Oak Flats. 457 Comment
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Jun 18 2014
  RSA330803  Clematis ligusticifolia Wayne E. Sawyer 1981-7-31 117 Los Angeles CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.8 mi from Dawson Saddle 2287 Comment
  RSA386250  Clematis ligusticifolia Freda Detmers 1928-10-17 s.n. Los Angeles Stream side, Verdugo Woodlands Comment
  UCR258591  Clematis ligusticifolia R. G. Swinney 2010-8-11 13516 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  RSA440833  Cleome isomeris Reid V. Moran 1941-3-2 668 Los Angeles South of Wilson's Harbor, Santa Catalina Island. 25 Comment
  UC11110  Cleomella obtusifolia J. Burtt Davy May 9 1896-May 24 1896 2274 Los Angeles Lancaster Antelope Valley Comment
  SEINET10472089  Clivia miniata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4840 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA639235  Cnicus benedictus R. F. Thorne 1971-5-18 41354 -A Los Angeles Santa Catalina Island: Near mine on Blackjack Mountain. 518 Comment
  UCR271566  Collinsia R. G. Swinney 2011-5-19 14773 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  RSA408415  Collinsia bartsiifolia var. davidsonii Robert M. Perkins 1935-4-14 s.n. Los Angeles Two miles north of Lancaster. Comment
  JEPS6200  Collinsia childii Frank W. Peirson 1920-5-28 2156 Los Angeles Bear Canyon San Gabriel Mountains ((San Antonio tributary)) 1371 Comment
  UC26573  Collinsia heterophylla J. H. Barber 1897-3-14 50 Los Angeles Santa Monica Experiment Station Comment
  RSA408259  Collinsia heterophylla R. S. Woglum 1930-4-28 s.n. Los Angeles Glendora Comment
  RSA408277  Collinsia heterophylla H. L. Bauer 1932-4-26 15360 Los Angeles Near Topango Comment
  RSA0117362  Collinsia parryi LeRoy Gross 2006-5-17 2459 Los Angeles Road Surveys for the Forest Sevice. Along Indian Canyon Road (4N37). 818 Comment
  SBBG129317  Collinsia parryi A. Parikh, N. Gale 2012-5-2 3583 Los Angeles W Fork San Gabriel River, 1.0 km E of Cogswell Dam 643 Comment
  UCR133568  Collinsia parryi George B. Grant 1905-5-4 201 Los Angeles Pasadena 264 Comment
  RSA0117355  Collinsia parryi R. S. Woglum 1932-4-9 s.n. Los Angeles Mojave Desert: Palmdale. Comment
  UCR253385  Colocasia R. G. Swinney 2010-9-1 13648 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR275325  Convolvulus arvensis Jeremiah George 2011-6-5 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  RSA0110776  Convolvulus arvensis Steven A. Junak 2000-5-18 SCa- 1303 Los Angeles Santa Catalina Island. NW-facing slope overlooking Parsons Landing. 73 Comment
  POM308949  Conyza bonariensis Kay H. Beach 1943-7-3 659 Los Angeles San Dimas Experimental forest. San Gabriel Mt. Range. Comment
  POM355838  Conyza canadensis Ora M. Clark 1928-10-21 1221 Los Angeles Waste Places, NW Santa Monica Comment
  UC56998  Cordylanthus rigidus subsp. setiger Ernest Braunton 1902-7-9 513 Los Angeles Hobart Comment
  RSA412295  Cordylanthus rigidus subsp. setiger Wm. Martin 1971-8-25 s.n. Los Angeles Trancas Canyon area, Santa Monica Mountains. Comment
  UCR220273  Coreopsis bigelovii R. G. Swinney 2009-4-24 10492 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR281603  Coreopsis bigelovii R. G. Swinney 2014-4-17 16103 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  CAS-BOT-BC287868  Coreopsis californica I. Johnston 1917-3-29 1251 Los Angeles Above Claremont Comment
  UC485340  Coreopsis californica var. californica Geo. B. Grant Apr 1902 681 Los Angeles Altadena, Comment
  POM266289  Corethrogyne filaginifolia var. filaginifolia J. C. Roos 1942-9-12 1719 Los Angeles Westwood Village. Comment
  RSA506845  Corethrogyne filaginifolia var. filaginifolia Louis C. Wheeler 1967-8-24 10492 Los Angeles Angeles National Forest: SW slope of Mt. Waterman. 2164 Comment
  POM356118  Corethrogyne filaginifolia var. filaginifolia B. C. Templeton 1932-8-25 5079 Los Angeles San Gabriel Mountains. 2036 Comment
  CAS-BOT-BC209771  Cornus glabrata Carl B. Wolf 1932-5-13 3617 Los Angeles Santa Catalina Island. Hamilton Canyon, left fork, 200 ft. above forks 121 Comment
  RSA787099  Coronilla valentina subsp. glauca Danielle LeFer 2012-5-23 s.n. Los Angeles Abalone Cove Reserve in Rancho Palos Verdes. Approximately 3 miles East of Palo Verdes Drive South from Hawthorne Boulevard. Right side of road in disturbed area. 61 Comment
  RSA719197  Cotula australis R. G. Swinney 1998-4-13 5968 Los Angeles Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of N terminous of Mills Ave., on Cobal Canyon Rd. 543 Comment
  UCR186695  Cotula australis T. B. Salvato, Sandra Murcia 2007-3-28 2000 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  UCR275336  Cotula coronopifolia Jeremiah George 2011-6-5 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  RSA670203  Crassula connata Joseph M. Keefe 2001-3-16 31101 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  SBBG17378  Crassula connata K. A. Wilson 1962-4-3 1262 Los Angeles Old Topanga Cyn Rd, one half mi NW of New Topanga Cyn Rd Comment
  RSA600786  Crassula connata var. connata L. C. Wheeler 1948-4-26 6635 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam. 321 Comment
  RSA423448  Crassula connata var. erectoides M. B. Dunkle 5259 Los Angeles Palos Verdes Hills; rolling hills Comment
  UC56359  Crassula connata var. subsimplex Ernest Braunton 1903-1-15 803 Los Angeles Glendora Comment
  UCR99457  Crassula tillaea L. C. Wheeler 1948-4-26 6634 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam 305 Comment
  UC447172  Crocanthemum scoparium var. vulgare J. Ewan 1931-3-21 4065 Los Angeles Los Flores Canyon, end of road Santa Monica Mts. 548 Comment
  POM155646  Crossosoma californicum D. Meadows 1927-12-4 305 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA249728  Crossosoma californicum R. F. Thorne, Doug Propst 1973-2-14 42478 Los Angeles Santa Catalina Island. N of junction of Isthmus and Marine Science Laboratory roads 122 Comment
  UCR116051  Crossosoma californicum Dan S. Cooper 1999-4-3 s.n. Los Angeles Palos Verdes Peninsula, c. 200 m north of gate at end of Forrestal Road ('quarry') Comment
  IRVC29262  Croton californicus A. C. Sanders 2003-5-26 26855 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel San Gabriel Valley 171 Comment
  RSA479353  Croton californicus Johnstone 1937-7-25 s.n. Los Angeles Angeles Crest Blvd. Comment
  RSA589196  Croton californicus T. S. Ross 1991-4-27 4677 Los Angeles Mojave Desert: Black Butte Basin Road: 1.95 miles and ca 148 deg. SW of Three Sisters buttes. 982 Comment
  POM2756  Croton californicus var. tenuis L. R. Abrams 1899-07 867 Los Angeles Ballona Harbor Comment
  POM293339  Croton californicus var. tenuis Lyman Benson 1947-4-29 12346 Los Angeles Indian Hill, Claremont. Drainage Area: Pacific Slope 427 Comment
  SEINET9591991  Croton setiger G. B. Grant 1901-1 445 Los Angeles Pasadena. Comment
  CAS-BOT-BC190124  Crypsis schoenoides Timothy S. Ross; Steve Boyd 1994-9-21 8329 Los Angeles Liebre Mountains. Cow Spring Pond. Sag pond on the San Andreas Fault Zone at the N foot of Liebre Mountain and on the S side of West Oakdale Canyon drainage. 1155 Comment
  IRVC27007  Crypsis schoenoides A. C. Sanders, Mark Elvin 2003-8-7 27168 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  UCR242037  Cryptantha Dan S. Cooper 2012-4-30 412- 5 Los Angeles Santa Monica Mountains, Topanga, west end of Robinson Road/ Kim Trail, off North Topanga Canyon Blvd/Hwy 27 281 Comment
  RSA579326  Cryptantha circumscissa T. S. Ross 1994-5-31 7971 Los Angeles Pacifico Mountain: somewhat flat granitic ridgetop ca 800 m WNW of summit 2060 Comment
  RSA668120  Cryptantha clevelandii var. florosa L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  UCR126681  Cryptantha corollata A. C. Sanders, Mark A. Elvin 2003-4-16 26040 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  RSA507531  Cryptantha flaccida L. C. Wheeler 1967-5-8 9341 Los Angeles between Bouquet Junction and Bonelli Ranch 396 Comment
  RSA629677  Cryptantha intermedia Scott D. White, Dave Bramlet 1998-6-29 6811 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  SBBG14244  Cryptantha intermedia M. A. Piehl 1962-6-9 62360 Los Angeles China Pt 7 Comment
  UCR141733  Cryptantha intermedia L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mtns, Head of Bad Canyon at Santa Clara Divide Road 1303 Comment
  JEPS18472  Cryptantha micromeres Rimo Bacigalupi with J. Robert Sweeney 1957-5-12 5876 Los Angeles slopes above Las Flores Canyon (1/4 mi. above U.S. Army Nike launching site, Santa Monica Mts.); Santa Monica Mts. 274 Comment
  POM9046  Cryptantha micromeres P. A. Munz, R. D. Harwood 1920-5-17 3966 Los Angeles Topango [Topanga] Canon. Santa Monica Mts. 121 Comment
  UCR95593  Cryptantha microstachys Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8552 Los Angeles Liebre Mtns., upper Osito Canyon between Interstate 5 and Old Ridge Route 854 Comment
  UC2026382  Cryptantha muricata Louis C. Wheeler 1968-5-30 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, depression on bench NE of Campground. Comment
  RSA0079383  Cryptantha muricata var. jonesii Orlando Mistretta, Christine Mistretta 2010-5-19 5127 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA0079260  Cryptantha muricata var. jonesii R. F. Thorne 1971-6-26 40616 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 426 Comment
  RSA0079584  Cryptantha muricata var. muricata Orlando Mistretta 1992-5-21 374 Los Angeles Bouquet Canyon Rd., 3.9 miles E of Bouquet Reservoir. Comment
  RSA0073719  Cryptantha similis Orlando Mistretta, Christine Mistretta 2005-4-21 2055 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  SEINET10625756  Cucumis melo Heidi H. Schmidt 1999-10-14 Schmidt 3844 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  UCR50873  Cucurbita foetidissima A. C. Sanders 1988-5-18 7844 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  SEINET10625783  Cucurbita pepo Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2514 Los Angeles City of Pasadena. Farm Fresh Ranch Market, 475 E. Orange Grove Blvd. Comment
  RSA781297  Cuscuta californica R. G. Swinney 2009-7-22 11368 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  POM264166  Cuscuta californica J. C. Roos 1937-9-2 644 Los Angeles Manhattan Beach. Comment
  RSA409694  Cuscuta californica G. J. Hollenberg 1928-7-24 s.n. Los Angeles S of Del Rey, Palisadea along RR at foot of bluff Comment
  RSA409746  Cuscuta salina F. R. Fosberg 1930-6-26 3048 Los Angeles Lower Ballona Creek. 8 Comment
  UCR24273  Cycloloma atriplicifolium John C. Roos 1937-9-29 s.n. Los Angeles San Gabriel Valley, near the San Gabriel River, in El Monte 91 Comment
  UCR252052  Cyclospermum leptophyllum Dan S. Cooper 2013-4-22 413- 59 Los Angeles Western Transverse Range; Hollywood Hills, Hollywood Reservoir, Montlake Dr. 235 Comment
  SEINET10400893  Cylindropuntia echinocarpa Marc A. Baker, Bruce D. Parfitt 1987-4-15 7518 Los Angeles 1.3 km S of Pearblossom Hwy along 165th St. E.; ca. 4 km N. of Holcomb Ridge. 990 Comment
  CAS-BOT-BC190271  Cynodon dactylon D. Demaree 1933-5-30 s.n. Los Angeles El Segundo. Comment
  UC816661  Cynodon dactylon Ezra C. Knopf 420 Los Angeles Santa Catalina Island Comment
  SBBG127366  Cynosurus echinatus A. Parikh, N. Gale 2011-7-7 3536 Los Angeles Barley Flats, 4.4 km W of Shortcut Station, 1 km N of St Hwy 2; San Gabriel Mtns 1705 Comment
  RSA365090  Cyperus esculentus Anstruther Davidson 1923-10-1 s.n. Los Angeles [Los Angeles]. LA River. Comment
  RSA0081321  Cyperus involucratus R. G. Swinney 2010-3-16 11919 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
  CAS-BOT-BC113867  Cyperus niger var. capitatus H. E. Hasse 1907-7-15 s.n. Los Angeles Cienega. Comment
  RSA678213  Cytisus canariensis Valerie L. Soza, LeRoy Gross 2001-4-18 1139 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons, southern end of FS Road 2N40 (San Olene Station). 976 Comment
  RSA188707  Cytisus monspessulanus R. F. Thorne 1965-6-22 34858 Los Angeles Santa Catalina Island: along Upper Pebble [Pebbly] Beach road 30 Comment
  RSA695425  Dactyloctenium aegyptium A. C. Sanders, Mark A. Elvin, Cathleen Weigand, et al. 2002-8-6 25552 Los Angeles Santa Clara River Valley: north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  RSA13765  Datura stramonium Louis C. Wheeler 1933-12-12 2323 Los Angeles Behind San Dimas Canyon Dam. 412 Comment
  RSA188393  Datura wrightii Robert F. Thorne, Percy C. Everett 1965-6-22 34929 Los Angeles Santa Catalina Island. S of Avalon golf course in Avalon Canyon. 91 Comment
  SBBG84102  Datura wrightii M. N. Ackley -Sep-1929 1276 Los Angeles Eagle Rock 182 Comment
  UC1870295  Datura wrightii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 286 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway 914 Comment
  UCR282206  Datura wrightii R. G. Swinney 2014-4-24 16208 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  RSA421880  Datura wrightii Freda Detmers 1931-11-11 14185 Los Angeles Griffith Park. Comment
  RSA589326  Daucus pusillus T. S. Ross, Gery Allan, Mark Elvin, Jennifer Stone 1995-5-19 8586 Los Angeles San Clemente Island: Northern tributary of Canchalagua Canyon, ca. 1070 ft NNE of the 1135-ft trangulation point. 256 Comment
  SBBG13708  Deinandra fasciculata E. R. Blakley 1962-10-4 5398 Los Angeles Ironwood Gully, S of Catalina Harbor at the isthmus 182 Comment
  SBBG98084  Deinandra fasciculata T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5111 Los Angeles 700 ft ENE of North Tank and 2300 ft W of Jack (not Jack Pt) 239 Comment
  CAS-BOT-BC294072  Deinandra kelloggii David D. Keck 1933-9-19 2534 Los Angeles Brea Canyon, 3 mi. N. of Orange County line Comment
  RSA0025342  Delphinium cardinale Anuja Parikh, Nathan Gale 2011-7-12 3554 Los Angeles TR, SnGb, West Fork San Gabriel River, 2.6 km W of State Highway 39 (San Gabriel Canyon Rd.) 523 Comment
  CAS-BOT-BC9099  Delphinium cardinale LeRoy Abrams 1901-7-1 1875 Los Angeles Short Cut Canon, San Gabriel Mountains Comment
  SBBG50732  Delphinium cardinale R. W. Woglum 1937-6-15 812 Los Angeles San Gabriel River Wash Comment
  UCR272851  Delphinium glaucum R. G. Swinney 2011-7-29 15561 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA763244  Delphinium parishii Justin M. Wood 2010-5-10 1561 Los Angeles San Gabriel Mountains. Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  CAS-BOT-BC7972  Delphinium parishii subsp. parishii W. R. Dudley; Frank Haines Lamb 1896-6-7 4350 Los Angeles Kings Canyon, Liebre Mountains Comment
  RSA68782  Delphinium parishii subsp. parishii F. W. Peirson 1929-7-1 8441 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  RSA11306  Delphinium parryi Fay A. MacFadden 1929-6-6 1600 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA730073  Delphinium patens R. G. Swinney, D. W. Larson 1999-5-15 7043 Los Angeles San Gabriel Mtns.: Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 549 Comment
  RSA0102446  Delphinium patens subsp. montanum R. G. Swinney 2009-5-28 10942 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA0029731  Delphinium patens subsp. montanum Robert F. Thorne, C. W. Tilforth 1971-6-30 40754 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1616 Comment
  LA97311  Dendromecon rigida Kei Nakai; 1976-4-7 TCSP 5 76 Los Angeles Santa Monica Mountains, Santa Ynez Canyon 213 Comment
  UC1126347  Dendromecon rigida G. T. Nordstrom 1935-2-1 8105 Los Angeles 1 3/4 mi e mouth of Beartrap Canyon; Angeles National Forest, Tejon Quadrangle Comment
  UCR126546  Descurainia obtusa subsp. adenophora 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 US 5, north of the Santa Clara River 305 Comment
  UC857338  Descurainia pinnata I. W. Clokey and B. C. Templeton 1930-4-8 4658 Los Angeles w of Lancaster 400 Comment
  UCR193726  Descurainia pinnata R. G. Swinney 1999-4-5 7039 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  CAS-BOT-BC43173  Descurainia pinnata subsp. brachycarpa C. W. Tilforth 1970-3-3 249 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  RSA587412  Descurainia pinnata subsp. halictorum Orlando Mistretta 1995-3-28 1574 Los Angeles San Gabriel Mountains: Drainage W of Little Rock Creek Reservoir just S of dam. 1006 Comment
  RSA792779  Descurainia pinnata subsp. menziesii Justin M. Wood 2009-3-24 387 Los Angeles City of Claremont: Bernard Field Station, NW corner of Mills Ave. and Foothill Blvd. Northernmost portion of the station, east of RSABG. 410 Comment
  UC10804  Descurainia pinnata subsp. menziesii W. H. Brewer Feb 1861 Los Angeles Scorpion Hills Comment
  UCR255755  Descurainia sophia R. G. Swinney 2010-5-12 12720 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
  JEPS53459  Descurainia sophia W. L. Jepson 1935-4-17 17038 Los Angeles Lancaster Mohave Desert (w Mohave Desert) 716 Comment
  RSA756176  Descurainia sophia Orlando Mistretta, Christine Mistretta 2008-4-3 2261 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 65, per TRTP survey 2008) just south of state Hwy 14 in the vicinity of Soledad Pass 977 Comment
  CATA1983  Desmazeria rigida Steven A. Junak 1997-3-27 347 Los Angeles Santa Catalina Island: Avalon Canyon, at S edge of Hermit Gulch Campground, along beginning of Hermit Gulch Trail 106 Comment
  RSA433540  Dicentra chrysantha N. C. Cooper 1949-6-18 4198 Los Angeles Mt. Baldy Resort. 1220 Comment
  RSA597122  Dicentra chrysantha Tim S. Ross 1990-6-22 3714 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA433598  Dicentra ochroleuca Jack Rempel 1934-5-6 18982 Los Angeles Mulholland Drive, Santa Monica Mountains. Comment
  UCR170694  Dichelostemma capitatum Alex R. Van Dam 2004-4-25 036 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  SDSU11599  Dichelostemma capitatum R. M. Beauchamp 1967-1-28 144 Los Angeles Growing on slope west of the main road below Stone. San Clemente Island. Comment
  RSA611809  Dichelostemma capitatum subsp. capitatum L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mountains: Spring Hill, San Antonio Canyon. T2 N R8 W SE 1/4 sec. 36 1220 Comment
  SEINET10533939  Dichelostemma pulchellum Reid Moran 1941-2-17 Moran 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island, Calif. 500 Comment
  RSA719820  Dieteria canescens var. canescens R. G. Swinney 1997-7-14 5679 Los Angeles West of Wrightwood, Table Mtn. area, approx. 100 m NW of amphitheater and Table Mtn. Campground. 2207 Comment
  UC1159706  Digitaria ciliaris F. R. Fosberg 1937-8-14 14264 Los Angeles Hollywood 100 Comment
  POM365105  Digitaria ischaemum George B. Grant 1906-8-9 [ 7158 ] Los Angeles Pasadena. Comment
  CAS-BOT-BC209061  Digitaria sanguinalis Le Roy Abrams 1901-7-1 1860 Los Angeles Inglewood Comment
  RSA623779  Digitaria sanguinalis R. M. Selle 1931-7-4 s.n. Los Angeles Garden, Eagle Rock Comment
  SBBG66723  Diplacus johnstonii L. G. Yates 1893-1 Los Angeles Mt Wilson Comment
  SD51892  Diplacus parviflorus Peter H. Raven 1962-5-10 17731 Los Angeles San Clemente Island; Horse Canyon, the large canyon west of Thirst 274 Comment
  CAS-BOT-BC150629  Diplacus rutilus Carl B. Wolf 1936-4-24 7772 Los Angeles Base of Santa Susana Pass 365 Comment
  CATA1248  Distichlis littoralis Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2328 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA773682  Distichlis littoralis R. F. Thorne 1973-09 44715 Los Angeles Santa Catalina Island, small salina at base of Ballast Pt. in Catalina Harbor. Comment
  UCSB45199  Dithyrea californica Matthews, K. 1977-3-26 Los Angeles Off roadside 4 miles east of Pearblossom on Highway 18 792 Comment
  SFV22075  Dittrichia graveolens P. M. Schiffman 2011-10-24 s. n. Los Angeles San Fernando Valley Sepulveda Flood Control Basin. Disturbed field south of pond containing outflow from Tilman Sewage Treatment Plant. 215 Comment
  SBBG62190  Dodecahema leptoceras Anstruther Davidson -May-1893 Los Angeles Newhall Comment
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Jan 25 2016
  SBBG98331  Dodecatheon clevelandii subsp. clevelandii P. A. Munz 1919-3-8 2293 Los Angeles Pomona Comment
  POM155650  Dodecatheon clevelandii subsp. insulare D. Meadows 1928-1-7 317 b Los Angeles Ridge above high school. Avalon, Santa Catalina Island. Comment
  SBBG31341  Dodecatheon clevelandii subsp. insulare R. F. Thorne 1966-4-4 35776 Los Angeles Blue Cavern Pt 30 Comment
  LA210059  Draba cuneifolia var. integrifolia Carl Epling; Lincoln Ellison 1930-3-28 sn Los Angeles Comment
  JEPS44247  Drymocallis cuneifolia var. ewanii Frank W. Peirson 1919-6-16 493 Los Angeles South Fork Rock Creek San Gabriel Mts., South Fork Rock Creek 1981 Comment
  RSA641179  Drymocallis cuneifolia var. ewanii Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38858 Los Angeles N facing slope above Angeles Crest Hwy N and below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  UC586837  Drymocallis cuneifolia var. ewanii Joseph Andorfer Ewan 1934-8-13 8336 Los Angeles n slope, 1/2 mi w Windy Camp Mt. Islip; San Gabriel Mts., n slope Mt. Islip 2286 Comment
  POM156291  Drymocallis glandulosa var. reflexa L. R. Abrams 1902-6-30 2585 Los Angeles Strains camp. Mt. Wilson. Comment
  POM175573  Drymocallis glandulosa var. reflexa E. Crow 1930-6-29 s.n. Los Angeles Along trail between Camp Coldbrook and Pine Flats, San Gabriel Mountains. Comment
  RSA188324  Drymocallis glandulosa var. wrangelliana Robert F. Thorne, Percy C. Everett 1965-6-23 34963 Los Angeles Santa Catalina Island. Upper part of Middle Ranch Canyon. 274 Comment
  LA200095  Dryopteris arguta Lawrence L. Kiefer; 1966-3-12 1710 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, upper Las Flores Creek Rd. 304 Comment
  RSA650215  Dryopteris arguta G. S. Eleiott 1949-5-4 s.n. Los Angeles San Dimas Canyon. 457 Comment
  SBBG131992  Dryopteris arguta S. A. Junak, R. Philbrick 1990-11-8 SCI 124 Los Angeles Camera Pad "Pebble" 365 Comment
  SD93159  Dryopteris arguta Lucille Kempers 1953-5-26 65 Los Angeles San Gabriel Mountains, Little Dalton Canyon 365 Comment
  SD106236  Dudleya cymosa subsp. agourensis K. Nakai 1980-5-25 606 Los Angeles Santa Monica Mountains, 0.4 km north of junction of Agoura Rd. and Cornell Road on northwest-facing conglomerate rock road embankment. 274 Comment
  RSA423510  Dudleya cymosa subsp. pumila L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  UCR150629  Dudleya densiflora Scott D. White 1997-5-8 5072 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  UC625134  Dudleya hassei F. R. Fosberg 1931-5-18 722 Los Angeles Little Harbor Santa Catalina Island Comment
  UC1127121  Dudleya lanceolata Jerome S. Horton 1937-6-14 461 Los Angeles San Dimas Wash Pomona Quadrangle 365 Comment
  UC205023  Dudleya lanceolata I. Johnston 1917-6-16 1294 Los Angeles Playa del Rey Comment
  UC52268  Dudleya lanceolata Ernest Braunton May 1903 882 Los Angeles Los Angeles Comment
  UC933287  Dudleya lanceolata Reid Moran 1946-5-30 2065 Los Angeles 2 mi above Coldbrook Guard Station (Soldier Canyon) 1158 Comment
  UC115256  Dudleya virens T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  RSA534027  Dudleya virens T. S. Ross 1991-5-19 5281 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 305 Comment
  CAS-BOT-BC109757  Dudleya virens subsp. insularis Reid Moran 1941-5-27 872 Los Angeles Catalina Island. South of the school, Avalon. 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
  UCR277251  Dysphania botrys R. G. Swinney 2010-9-30 13944 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  UCR142740  Eclipta prostrata L. C. Wheeler 1966-10-27 9100 Los Angeles San Gabriel Mtns, Angeles National Forest; West Fork San Gabriel River at [Rincon Station] Camp Rincon 457 Comment
  SD172151  Ehrharta calycina Martin A. Piehl 1963-12-8 631117 Los Angeles San Clemente Island, West end of airfield runway inland from West Cove, (Southeast of Driggs) 17 Comment
  UCR205235  Ehrharta calycina R. G. Swinney 2008-3-26 8567 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  SD197604  Eleocharis macrostachya R. G. Swinney 2008-4-30 8697 Los Angeles Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  SD28053  Eleocharis macrostachya Carl B. Wolf 1932-5-12 3597 Los Angeles Santa Catalina Island; between Little Harbor and Cottonwood Creek; edge of rapidly drying pond. 46 Comment
  RSA365424  Eleocharis palustris Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA750099  Eleocharis palustris R. G. Swinney 2008-4-30 8697 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  CAS-BOT-BC113287  Eleocharis parishii Robert F. Thorne 1971-6-26 40620 Los Angeles San Gabriel Mts, Angeles Natl Forest: Shallow water at mouth of Big Tujunga Canyon. 426 Comment
  RSA774831  Eleocharis parishii Orlando Mistretta, Christine Mistretta 2010-6-8 5285 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  SEINET13203234 Image available Elymus X hansenii R. G. Swinney 2011-1 15251 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 (Waterman Mt. 7.5' Q.) 1780 Comment
  UCD61556  Elymus elymoides A. A. Beetle 1942-4-24 3210 Los Angeles 6 miles W of Llano. Comment
  RSA0029446  Elymus elymoides R. F. Thorne 1973-5-11 43464 Los Angeles Mojave Desert Slope: 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb Ridge, ca. 2 1/2 miles due S of Llano. 1159 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
  UCR194056  Elymus glaucus R. G. Swinney 1998-8-17 6770 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  CAS-BOT-BC206754  Elymus glaucus subsp. glaucus Geo. B. Grant 1906-6-14 s.n. Los Angeles Mt. Wilson, summit Mt. Howard Comment
  CAS-BOT-BC206759  Elymus glaucus subsp. glaucus Timothy S. Ross 1992-5-24 6418 Los Angeles Brown's Gulch, Draining to San Gabriel Canyon at the base of San Gabriel Dam - San Gabriel Mountains 475 Comment
  UCR182688  Elymus triticoides R. G. Swinney 1997-8-6 5775 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
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Mar 27 2014
  PASA2102  Emmenanthe penduliflora J. E. Giguette May, '26 Los Angeles Big Tujunga Comment
  RSA0115264  Emmenanthe penduliflora Richard G. Swinney 2010-6-8 13230 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  UC1871131  Emmenanthe penduliflora T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4808 Los Angeles Transverse Ranges; Liebre Mountains region; Parker Mountain and ridge to 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
  UCR256165  Emmenanthe penduliflora R. G. Swinney 2010-3-22 12002 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
  RSA678394  Encelia actoni Valerie L. Soza, LeRoy Gross 2002-4-3 1377 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  UCR238076  Encelia actoni Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2105 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  SBBG121470  Encelia californica R. Burgess, P. Munro 1998-1-25 2633 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  SBBG96674  Encelia californica S. Boyd with T. Ross, L. Arnseth 1990-4-7 4256 Los Angeles lower half of China Cyn Comment
  UC895499  Encelia californica Ira W. Clokey, B. Templeton 1929-3-1 4453 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  UCR129429  Encelia californica A. C. Sanders, Mark Elvin 2002-6-20 25206 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCSB45412  Encelia californica Kaplan, Lisa 1979-3-10 Los Angeles Crest Rd. 1 mile north of Ganado Dr., Rancho Palos Verdes 335 Comment
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Jul 23 2007
  RSA0035112  Encelia californica L. E. Hoffman 1963-7-5 s.n. Los Angeles Malibu Canyon, Santa Monica Mountains. Comment
  CAS-BOT-BC81807  Ephedra nevadensis Louis C. Wheeler 1932-4-10 603 Los Angeles Palmdale, Mojave Desert 762 Comment
  CDA745  Ephedra nevadensis G. D. Barbe, T. C. Fuller 1973-5-21 1392 Los Angeles Roadside field in SE corner of Pearblossom Hwy at Small Road, E of railroad overpass, 4 mi W of Four Points (junction with Hwy 138). Comment
  POM1000  Ephedra nevadensis Marjorie Shaw, Edna Spaulding, C. L Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Desert Flats 915 Comment
  RSA0081143  Ephedra nevadensis R. G. Swinney 2010-6-1 13124 Los Angeles Lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  RSA177589  Ephedra nevadensis S. Carlquist 1965-4-22 1700 Los Angeles 11 miles east of Palmdale. Comment
  UC1871061  Ephedra nevadensis Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-29 4874 Los Angeles Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna Comment
  SEINET7047913  Ephedra nevadensis Steven R. Hill, Kate Kramer 2001-4-22 33362 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon. Elevation about 1800 feet. Comment
  RSA129437  Ephedra viridis G. T. Nordstrom 1935-3-24 408 Los Angeles 1.75 miles S. W. of Mouth of Beartrap Canyon 793 Comment
  UCR189703  Epilobium R. G. Swinney 1998-7-24 6574 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  POM2992  Epilobium adenocaulon var. parishii W. R. Shaw 1900-7-3 39 Los Angeles Claremont. Comment
  CAS-BOT-BC171923  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-9-20 153 Los Angeles Barrett Canyon, off San Antonio Canyon, San Gabriel Mts. 1310 Comment
  UCR259662  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-7 13719 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  RSA766856  Epilobium ciliatum Justin M. Wood 2009-9-9 1297 Los Angeles [City of Claremont;] Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  POM50051  Epilobium ciliatum subsp. ciliatum L. R. Abrams 1901-6-11 1744 Los Angeles New River near Long Beach. Comment
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Jan 5 2016
  RSA748361  Epilobium foliosum Scott D. White, Justin M. Wood 2009-5-6 12657 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UC1134737  Epipactis gigantea Jerome S. Horton 1937-6-16 475 Los Angeles West Fork San Dimas Canyon Pomona Quadrangle, San Dimas Experimental Forest Comment
  RSA381715  Epipactis gigantea Bonnie C. Templeton, I. W. Clokey 1936-5-18 5665 Los Angeles San Gabrie1 Canyon, 1/2 mile below dam. [San Gabriel Mounntains]. Comment
  UCD135570  Equisetum laevigatum Louis C. Wheeler 1933-5-13 1735 Los Angeles Cobal Canyon, San Gabriel Mts. 563 Comment
  SBBG32143  Equisetum telmateia subsp. braunii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -224 Los Angeles lower Middle Ranch Cyn crk Comment
  POM1184  Eragrostis mexicana subsp. virescens I. M. Johnston 1918-5-19 2004 Los Angeles Claremont 366 Comment
  RSA640877  Eragrostis mexicana subsp. virescens L. C. Wheeler 1967-8-8 10371 Los Angeles Loomis Ranch, Alder Creek 1311 Comment
  CAS-BOT-BC284131  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley, Gorman Highway 5 miles west of Highway 14, Mojave Desert 1005 Comment
  SBBG71519  Eremalche exilis R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  LA32284  Eremocarpus setiger Peter H. Raven; Henry J. Thompson 1959-10-18 14682 Los Angeles Santa Monica Mountains, along Decker Road, 1.8 mi S of Mulholland Hwy 487 Comment
  UCR125939  Eriastrum densifolium subsp. densifolium A. C. Sanders, Mark Elvin 2002-6-19 25184 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR126218  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-14 136 Los Angeles Western San Gabriel Mtns., southern mouth of Bee Canyon, c. 250 m SW of Antelope Valley Fwy (Hwy 14), immediately adjacent to north side of Soledad Canyon Road and further up wash several hundred meters 549 Comment
  RSA0106900  Eriastrum densifolium subsp. elongatum W. Wisura, John Dolan 1990-6-19 4451 Los Angeles San Francisquito Canyon, 1.8 mi fr Seco Canyon Rd. Comment
  LA52314  Eriastrum sapphirinum Carl Epling; M. Epling 1935-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SEINET2473461 Image available Eriastrum sapphirinum Richard G. Swinney 2009-1 10704 Los Angeles Transverse Range; San Gabriel Mtns.; Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 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
  CAS-BOT-BC514945  Eriastrum sapphirinum subsp. brevibracteatum Roxana S. Ferris 1918-6-12 944 Los Angeles 5 mi S of Landaster Comment
  CAS-BOT-BC515037  Eriastrum sapphirinum subsp. sapphirinum Prof. W. R. Dudley 1907-11-22 s.n. Los Angeles Near Monrovia Comment
  RSA359324  Ericameria cuneata var. cuneata Anstruther Davidson 1915-8-1 3086 Los Angeles Camp Baldy. Comment
  POM359392  Ericameria linearifolia Anstruther Davidson 1906-6-1 2001 Los Angeles Big Rock Creek. Comment
  SD68971  Ericameria linearifolia James Henrickson 1966-4-16 2234 Los Angeles Soledad Canyon along Escondito Canyon Road, 1 mile northwest of Highway 14. 885 Comment
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Jul 9 2014
  UCR239986  Ericameria nauseosa R. G. Swinney 2009-11-13 11603 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UC1137172  Ericameria nauseosa var. hololeuca J. Horton 1936-12-10 424 Los Angeles near Volfe Canyon; San Dimas Experimental Forest, Pomona Quad. 975 Comment
  SBBG62892  Ericameria palmeri var. pachylepis R. Hoffmann 1931-10-23 Los Angeles S end of Ridge Route (US Hwy 99) Comment
  RSA481991  Ericameria parishii var. parishii Richard Noyes 1988-9-18 741 Los Angeles Behind San Antonio Dam 701 Comment
  CAS-BOT-BC293133  Ericameria pinifolia C. F. B. 1903-10-1 4076 Los Angeles Claremont Comment
  CAS-BOT-BC294822  Erigeron breweri var. covillei C. W. Tilforth 1973-5-24 821 Los Angeles Bob's Gap, c. 2 mi. e.n.e. of Valyermo, Holcomb Ridge Comment
  UCR259234  Erigeron canadensis R. G. Swinney 2010-9-9 13735 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR194267  Erigeron foliosus R. G. Swinney 1998-8-6 6678 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  RSA640156  Erigeron foliosus var. foliosus L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  SBBG14462  Erigeron foliosus var. foliosus H. and M. Dearing 1944-10-5 5899 Los Angeles Chilao 1524 Comment
  RSA771616  Erigeron foliosus var. stenophyllus R. F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42196 Los Angeles Angeles National Forest; Along Angeles Crest Hwy near Three Points. 1829 Comment
  UCD168359  Eriodictyon crassifolium var. crassifolium J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  IRVC29634  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26199 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  OBI26929  Eriodictyon crassifolium var. nigrescens David J. Keil, Dirk Walters 1977-4-30 12310 Los Angeles Ridge Rte, ca. 9 mi from jctn with Los Angeles Co. Rd N-2 Comment
  RSA626977  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1967-5-15 9576 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 473 Comment
  SFV8265  Eriodictyon parryi T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1622 Los Angeles San Gabriel Mountains Along Angeles Crest Highway, at head of Upper Big Tujunga Canyon, southeast of Charleton Flats. 1677 Comment
  RSA455062  Eriodictyon trichocalyx var. trichocalyx M. B. Dunkle 1933-11-7 3651 Los Angeles Upper San Gabriel Canyon Comment
  PASA1464  Eriogonum baileyi Margaret Stason 1926-5-30 Los Angeles Mohave Desert Comment
  LA206744  Eriogonum cinereum C. M. Dammers; 1933-10-27 sn Los Angeles Point Firman Comment
  POM78651  Eriogonum cinereum Albert J. Perkins 1918-10-28 s.n. Los Angeles Santa Monica Canon. Comment
  SEINET6332074  Eriogonum cinereum Helen Witham 1969-9-25 476 Los Angeles Malibu Canyon Road, 2.6 miles north of Malibu 200 Comment
  RSA580193  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd 1994-5-25 7939 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  RSA0013638  Eriogonum davidsonii Orlando Mistretta, Youssef Atallah 2011-8-16 6036 Los Angeles Aliso Canyon, 0.8 miles south of junction of Aliso Canyon Road and Angeles Forest Highway. 1295 Comment
  RSA585411  Eriogonum davidsonii Tim S. Ross, S. D. Boyd 1990-5-29 2692 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  UCR205188  Eriogonum davidsonii R. G. Swinney 2008-5-2 8729 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA65159  Eriogonum elongatum var. elongatum F. W. Peirson 1919-10-26 19 Los Angeles Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts. 549 Comment
  UCR271735  Eriogonum elongatum var. elongatum R. G. Swinney 2011-10-27 15923 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  RSA656214  Eriogonum fasciculatum Joseph M. Keefe 1978-4-9 22592 Los Angeles Verdugo Mountains: 400 meters southeast of Aviation-Arts Building, Glendale College, 1500 North Verdugo Road, Glendale. Comment
  RSA766102  Eriogonum fasciculatum Joseph A. Ewan 1936-7-22 9827 Los Angeles Blue Ridge trail. San Gabriel Mts. 2317 Comment
  RSA0073370  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-3-16 11946 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
  RSA773801  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-17 11153 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  LA52260  Eriogonum fasciculatum var. foliolosum Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM279962  Eriogonum fasciculatum var. foliolosum Arthur L. Cohen 1934-8-2 492 Los Angeles Beverly Drive, Santa Monica. 61 Comment
  POM7770  Eriogonum fasciculatum var. polifolium C. F. Baker 1903-8-2 3454 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA678702  Eriogonum giganteum var. giganteum Mark A. Elvin, Orlando Mistretta 1996-3-24 139 Los Angeles San Clemente Island. Eagle Canyon Comment
  SD73469  Eriogonum giganteum var. giganteum Robert F. Thorne 1966-9-16 36724 Los Angeles Santa Catalina Island: dry rocky top of promontory , Lookout Point SE of Pebbly Beach 46 Comment
  RSA393234  Eriogonum gracile M. Bisbee 1917-09 s.n. Los Angeles North hills, Eagle Rock Comment
  RSA766307  Eriogonum gracile Raymond J. Dobbs 1927-11-11 s.n. Los Angeles Lower Arroyo near Teddy's 305 Comment
  POM187775  Eriogonum gracile var. gracile Thos. Craig 1933-10-9 2006 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  UCR277115  Eriogonum gracile var. gracile R. G. Swinney 2010-10-5 13959 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  CATA406  Eriogonum grande var. grande Sara L. Crockett 1996-10-30 543 Los Angeles Santa Catalina Island: Directly across from Casino 9 Comment
  SBBG121838  Eriogonum molestum A. Parikh, N. Gale 2005-6-18 790 Los Angeles Portal Ridge, 0.7 km NW of intersection of N2/Johnson Rd, 1.3 km SE of intersection of N2/Munz Ranch Rd 1025 Comment
  JEPS56544  Eriogonum parishii Frank W. Peirson 1923-8-31 4004 Los Angeles 4 mi e Big Pines Camp (summit of Blue Ridge); Blue Ridge 2590 Comment
  UCSB1473  Eriogonum parvifolium Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  CAS-BOT-BC267616  Eriogonum saxatile Geo. B. Grant 1901-5-1 3968 Los Angeles Unspecified 1524 Comment
  RSA424971  Eriogonum thurberi F. R. Fosberg 1930-8-3 S 3081 Los Angeles Lexington Wash San Gabriel River. El Monte. 80 Comment
  CAS-BOT-BC268170  Eriogonum umbellatum var. minus Le Roy Abrams; E. A. McGregor 1908-7-3 609 Los Angeles North Baldy Mountain, San Gabriel Mountains Comment
  UCR202538  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-9 8017 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  CAS-BOT-BC268211  Eriogonum umbellatum var. munzii Dr. H. E. Hasse 1893-8-1 s.n. Los Angeles Acton 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
  RSA0060782  Eriophyllum confertiflorum LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6808 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA526559  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4244 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR126237  Eriophyllum confertiflorum A. C. Sanders 2003-3-14 25761 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  UCR192888  Eriophyllum confertiflorum R. G. Swinney 1998-7-6 6284 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  RSA003874  Eriophyllum confertiflorum Fay A. MacFadden 1929-6-6 1189 Los Angeles Verdugo Mountains: La Tuna Canyon. Comment
  SBBG17108  Eriophyllum confertiflorum var. confertiflorum K. A. Wilson 1961-4-10 1139 Los Angeles S arm of Bee Cyn-Mission Pt (Peak) area; Santa Susana Mts 762 Comment
  CAS-BOT-BC308337  Eriophyllum nevinii Reid Moran 1958-9-15 6820 Los Angeles 1.8 miles SE of Eel Point, San Clemente Island 100 Comment
  RSA0108897  Eriophyllum pringlei Richard G. Swinney 2011-4-1 14304 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mi south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  SEINET7063087  Eriophyllum pringlei A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Mountains southeast of Bobs Gap on Big Pines Road. UTM Zone 11, 428035mE, 3808604mN. (WGS84/NAD83). 1571 Comment
  RSA92397  Eriophyllum pringlei F. W. Peirson 1917-5-12 1386 Los Angeles County public camp ground in Mint Canyon, northwest corner of San Gabriel Mts. Comment
  SBBG8200  Eriophyllum wallacei H. and M. Dearing 1930-4-15 1900 Los Angeles between Cajon Pass and Palmdale Comment
  RSA582998  Erodium botrys Tim S. Ross 1993-4-22 6880 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560ft), 825m ESE of Cactus Peak summit, in saddle between 1548ft and 1528ft summits. 431 Comment
  RSA311761  Erodium botrys Robert Gustafson 1981-3-18 2122 Los Angeles Ballona Wetlands, Area 3. Comment
  SBBG98681  Erodium botrys T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5170 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  RSA0047420  Erodium cicutarium R. G. Swinney 2010-5-4 12503 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA598262  Erodium cicutarium R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Disturbed area on Big Dalton Canyon Road, 0.9 mi. E of Glendora Mtn. Rd. 427 Comment
  UC17098  Erodium cicutarium J. Burtt Davy May 9 1896-May 24 1896 2585 Los Angeles near West Palmdale; Antelope Valley Comment
  UCR210714  Erodium cicutarium R. G. Swinney 2008-10-22 9669 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  OBI35620  Erodium cicutarium Rebecca Cicoria 1981-4-23 5 Los Angeles In upper end of Altamira Cyn, Rolling Hills 1829 Comment
  UCSB8670  Erodium cicutarium Haller, Norman 1953-3-29 Los Angeles 2 blks. West of Sepulveda on Mulholland Santa Monica Mts 457 Comment
  UCR127220  Erodium macrophyllum A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26263 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 442 Comment
  RSA596101  Erodium moschatum Mark Hoefs, Robert F. Thorne 1996-4-6 2601 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  POM12313  Erodium moschatum F. L. Robinson 1921-5-9 77 Los Angeles Claremont. Comment
  POM19141  Erodium moschatum P. A. Munz 1923-4-9 6665 Los Angeles San Clemente Island, east coast. Comment
  RSA390934  Erodium moschatum M. B. Dunkle 1939-4-6 7306 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA747419  Erysimum capitatum R. G. Swinney 2008-5-13 8849 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UC1034746  Erysimum capitatum G. B. Rossbach 1955-4-29 586 Los Angeles Route 6 ca 7 mi w Vincent (near Soledad Pass) Comment
  UCSB2332  Erysimum capitatum var. capitatum Wedberg, Lee 1954-3-1 Los Angeles Millard Canyon, San Gabriel Mtns. 457 Comment
  CAS-BOT-BC32839  Erysimum suffrutescens LeRoy Abrams 1902-6-10 2511 Los Angeles Playa del Rey Comment
  CHSC24204  Erythranthe cardinalis T. P. Spira 1976-7-12 62 Los Angeles White Fir Springs, off of Angeles Crest Hwy (2), Angeles National Forest. 1828 Comment
  LA82466  Eschscholzia californica O. H. Kappler; 1941-3-26 771 Los Angeles Santa Monica Mountains, Corral Canyon 457 Comment
  RSA433647  Eschscholzia californica M. B. Dunkle 1932-5-28 2958 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA0042641  Eschscholzia californica Jami Liberi 1983-4-17 07 Los Angeles 15 feet above a brook. Across the street from San Antonio Dam. 640 Comment
  RSA433672  Eschscholzia californica Unspecified 1891-04 s.n. Los Angeles [Unspecified] Comment
  UCR204040  Eschscholzia minutiflora R. G. Swinney 2005-5-14 8234 Los Angeles San Gabriel Mountains, north of Juniper Hills, south of Pear Blossom, southeast corner of Tejon Road and Longview Road (131st Street) 1091 Comment
  SEINET3160695  Eschscholzia picta E. L. Greene 418 a Los Angeles Pasadena Comment
  UCR178042  Eucalyptus globulus LeRoy Gross 2003-1-25 687 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  SEINET3860280  Eucrypta chrysanthemifolia R. G. Swinney 2009-4-16 10382 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Duarte, lower Van Tassel fire road, Van Tassel Canyon.; 0 439 Comment
  UCR154618  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-4-26 29756 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  POM49293  Eucrypta chrysanthemifolia L. W. Nuttall 1920-5-22 s.n. Los Angeles Santa Catalina Island. Rock Spring canyon. Comment
  RSA75987  Eucrypta chrysanthemifolia var. chrysanthemifolia F. W. Peirson 1921-6-20 5303 Los Angeles North Fork of San Gabriel River 762 Comment
  UCR258942  Eulobus californicus R. G. Swinney 2010-5-11 12688 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR261357  Eulobus californicus R. G. Swinney 2010-4-1 12165 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  SEINET6070302  Eulobus californicus Unknown 1929-4-1 4459 Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  UCR186062  Euphorbia albomarginata T. B. Salvato, M. A. Hasskamp 2006-4-24 1346 Los Angeles Tehachapi Mtns Foothills, c. 4 mi east of Quail Lake and 0.5 mi north of Hwy 138 976 Comment
  POM221982  Euphorbia crenulata L. C. Wheeler 1936-6-21 4163 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains. 701 Comment
  SEINET3246224  Euphorbia helioscopia A. C. Sanders, T. B. Salvato 2009-1 36876 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. 66 Comment
  UCD142665  Euphorbia ocellata var. arenicola Louis C. Wheeler 1965-6-21 8694 Los Angeles Alpine Butte: ca. 3 mi. east of 90th street east and Ave 6 on Ave 0 ca. 1 mile west of Alpine Butte. Wildflower Sanctuary. Comment
  RSA632014  Euphorbia peplus L. C. Wheeler 1973-4-9 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just up stream from national forest boundary. Comment
  RSA70385  Euphorbia peplus F. W. Peirson 1921-4-8 2400 Los Angeles Coolidge Rare plant gardens, Santa Anita Road, Pasadena, CA. Comment
  LA201244  Euphorbia spathulata Arthur C. Gibson; 2003-4-3 4698 Los Angeles 289 Comment
  CAS-BOT-BC418821  Fagopyrum esculentum I. M. Johnston 1918-7-29 2109 Los Angeles La Verne 304 Comment
  RSA0110928  Festuca microstachys R. G. Swinney 2011-6-7 15075 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0053873  Festuca perennis R. G. Swinney 2010-5-11 12626 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  SBBG98679  Festuca perennis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5074 Los Angeles lower Wilson Cove Cyn, draw SW of and above pier operations 15 Comment
  UCR126842  Ficus carica A. C. Sanders, Mark A. Elvin 2002-8-26 25584 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  RSA535281  Filago californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5321 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA656194  Filago gallica Joseph M. Keefe 1978-5-23 23275 A Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  POM251787  Forestiera pubescens J. C. Roos 1937-8-11 22 Los Angeles W of Lancaster, Mojave Desert Comment
  RSA499369  Fragaria californica Freda Detmers 1931-4-18 s.n. Los Angeles Griffith Peak Comment
  LA52236  Frangula californica subsp. californica A. M. Johnson; 1932-5-30 4115 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  CAS-BOT-BC52549  Frangula californica subsp. californica Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles unspecified Comment
  RSA391393  Frankenia grandifolia Mildred R. Solomen 1931-06 s.n. Los Angeles Playa del Rey. Comment
  CATA1523  Frankenia salina Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2741 Los Angeles Santa Catalina Island: Bluff below U.S.C. Building at Fisherman's Cove 6 Comment
  UC420675  Frankenia salina I. Johnston 1917-6-19 1269 Los Angeles between Mesmer and Playa del Rey Comment
  UCR161210  Frankenia salina T. B. Salvato, Melissa Clemons 2005-9-27 1237 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
  RSA127955  Fraxinus dipetala H. J. Thompson 1959-3-31 1909 Los Angeles Lobo Canyon, 2 miles W of Cornell 274 Comment
  POM308321  Fremontodendron mexicanum H. J. Ramsey 1937-7-12 3062 Los Angeles Altadena, dry mesa. Comment
  UCR90329  Fritillaria pinetorum Ed LaRue 1992-7-18 SGM- 15 Los Angeles San Gabriel Mtns., [west of] Wrightwood, 0.25 mi east of parking lot above Mountain High Ski area Comment
  RSA0097140  Galium angustifolium R. G. Swinney 2011-6-20 15214 Los Angeles San Gabriel Mountains: southeast margin of Crystal Lake, 10-30 meters from water line. 1692 Comment
  UCSB9394  Galium angustifolium McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd. Granada Hills Comment
  RSA615923  Galium angustifolium subsp. angustifolium Scott D. White, Brian Leatherman 1997-1-14 6043 Los Angeles Santa Clara River Watershed. Upper Oak Springs Canyon above existing gravel quarry. 579 Comment
  POM367678  Galium angustifolium subsp. angustifolium Anstruther Davidson 1899-6-25 s.n. Los Angeles Santa Monica. Comment
  SBBG105351  Galium aparine R. M. Beauchamp 1976-5-22 4117 Los Angeles S side of cyn below Lemon Tank Comment
  POM367753  Galium aparine Martha Hilend 1928-4-18 192 Los Angeles Griffith Park. Comment
  RSA637485  Galium californicum subsp. flaccidum Valerie L. Soza, LeRoy Gross 1999-7-15 621 Los Angeles San Gabriel Mountains: Mt. Wilson Trail, north of junction with Upper Winter Creek Trail, southeastern side of Mount Harvard. 1341 Comment
  NY42935  Galium catalinense J. B. Walker 1995-4-8 1328 Los Angeles Santa Catalina Island, 2km S of Howland's Landing 100 Comment
  RSA527761  Galium catalinense subsp. acrispum Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4326 -C Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA3706  Galium catalinense subsp. catalinense Carl B. Wolf 1932-5-11 3553 Los Angeles Hillside W. of Isthmus harbor. Santa Catalina Island. 15 Comment
  UC2030076  Galium grande V. Soza, Monica Acosta 2001-6-20 1297 Los Angeles Transverse Ranges, San Gabriel Mountains region: Van Tassel Ridge, south side of Van Tassel Ridge road (FS Road 1N36A), 0.2 mile east of function with Van Tassel Truck Trail (FS Road 1N36), east side of Mt. Bliss. Comment
  SEINET3245983  Galium hilendiae R. G. Swinney 2009-1 10828 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
  RSA0110596  Galium johnstonii Richard G. Swinney 2011-5-16 14732 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  LA50676  Galium nuttallii subsp. nuttallii Carl Epling; March 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  SD253548  Galium porrigens R. G. Swinney 2011-5-3 14568 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road, Ecology Trail east of the Nature Center (Mint Canyon 7.5'Q) 487 Comment
  SBBG107223  Gambelia speciosa J. Rebman, J. Dunn 1996-4-29 3116 Los Angeles between Eel Cove and Eel Cove Cyn 25 Comment
  SBBG19192  Gambelia speciosa M. A. Piehl 1963-12-8 631097 Los Angeles bottom of Cave Cyn, 0.5 mi from mouth 15 Comment
  RSA161125  Gamochaeta pensylvanica Peter H. Raven 1961-10-29 16869 Los Angeles Weed in the Botanic Garden, near the front gate, Calremont. 259 Comment
  RSA590414  Gamochaeta ustulata Timothy S. Ross 1993-4-21 6847 Los Angeles Santa Catalina Island, SW part of the Island along major EW ridge between Carlos 992ft and Cactus Peak 1560ft. 2750ft WNW of Cactus Peak summit. 436 Comment
  RSA596415  Garrya flavescens Tim S. Ross 1990-6-11 3352 Los Angeles Big Rock Creek canyon. 120m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1732 Comment
  RSA773298  Garrya veatchii R. G. Swinney 2009-6-8 11063 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SD90213  Garrya veatchii Benjamin C. Stone 1953-3-9 291 Los Angeles Chaparral above San Gabriel dam area, San Gabriel Mountains. 1067 Comment
  UC141267  Garrya veatchii C. F. Baker 1903-8-2 3651 Los Angeles near Claremont; San Antonio Canyon Comment
  CDA5230  Gaura sinuata Johnson 1939-8-1 5 Los Angeles West Covina. 0 Comment
  RSA747192  Gayophytum R. G. Swinney 2008-6-10 8983 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  RSA755899  Gayophytum R. G. Swinney 2008-6-17 9021 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  UCR209597  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2008-7-3 9155 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  RSA691052  Gazania linearis Scott D. White 2003-10-22 9837 Los Angeles San Gabriel Mountains: Foothills above Altadena. Los Angeles Dept. of Public Works 'Kinneloa West' debris basin. Northern terminus of Brambling Lane.(Mt. Wilson). 427 Comment
  UCR225179  Geranium dissectum Steve Boyd, Rick Riefner 2007-4-27 11744 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA747405  Gilia R. G. Swinney 2008-6-4 8936 Los Angeles San Gabriel Mtns: Devils Punchbowl Co. Park, 0.2 mile north of park headquarters/nature center. 1430 Comment
Read comments
Dec 7 2018
  RSA506805  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1967-5-12 9476 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA621041  Gilia aliquanta subsp. aliquanta J. Mark Porter 1998-4-27 11827 Los Angeles North Slope San Gabriel Mtns.: Z9 Road, off Largo Vista. 1371 Comment
  RSA0118854  Gilia brecciarum subsp. brecciarum A. C. Sanders 2007-4-19 33467 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  RSA697060  Gilia capitata subsp. abrotanifolia LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1057 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 520 Comment
  UCR126550  Gilia capitata subsp. abrotanifolia Mark A. Elvin 2003-5-1 s.n. Los Angeles Santa Clarita Valley, Newhall Ranch, Castaic Mesas. c. 1 mi SW of Castaic Lagoon at the W edge of a mesa, north of Charlie Canyon 366 Comment
  RSA0088595  Gilia latiflora R. G. Swinney 2010-5-11 12674 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  UCR102539  Gilia latiflora subsp. davyi George K. Helmkamp 1997-3-6 1346 Los Angeles Western Mojave Desert, west of Lancaster at 125th St. & Calif. Hwy 138 762 Comment
  VVC2937  Gilia latiflora subsp. latiflora Tim Thomas 2014-5-4 6291 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  CAS-BOT-BC225498  Gilia nevinii Robert F. Thorne 1973-4-11 42813 Los Angeles Plateau W of upper end of Norton Canyon, San Clemente Island 396 Comment
  CAS-BOT-BC225501  Gilia nevinii Blanche Trask 1900-4-1 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA248880  Gilia nevinii R. F. Thorne 1973-4-12 42976 Los Angeles San Clemente Island, large canyon S of Mosquito Cove, N of Chenity. 274 Comment
  UCR223782  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-5-27 10902 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  RSA0017214  Gilia ochroleuca subsp. bizonata F. W. Peirson 1919-5-10 268 Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains 915 Comment
  JEPS14053  Gilia ochroleuca subsp. vivida Rimo Bacigalupi with Leroy Custer 1952-8-9 3907 Los Angeles s of and above Swartout Valley; San Gabriel Mountains, Blue Ridge 2255 Comment
  RSA0017174  Gilia ochroleuca subsp. vivida George B. Grant 1906-6-16 s.n. Los Angeles Mount Wilson: summit. Comment
  SBBG118581  Gilia sinuata L. Gross, O. Mistretta, V. Soza 2003-5-13 872 a Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  UCR189743  Gilia splendens R. G. Swinney 1998-7-10 6386 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
  SEINET10631171  Glycine max Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3743 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  POM358788  Gnaphalium californicum Robert Gustafson 1981-4-14 216 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA719744  Gnaphalium canescens subsp. beneolens R. G. Swinney 1996-8-7 5230 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  RSA133383  Gnaphalium canescens subsp. microcephalum Peter H. Raven 1959-9-27 s.n. Los Angeles Sepulveda Canyon. 244 Comment
  CLARK-A1528-1850  Gnaphalium chilense John C. Roos 1942-5-23 1059 Los Angeles San Gabriel Mountains Comment
  RSA600468  Gnaphalium luteoalbum Steve Boyd, Lauren Raz 1997-4-30 9614 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  UCR210479  Gnaphalium luteoalbum R. G. Swinney 2008-12-2 9923 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR61030  Gnaphalium luteoalbum R. G. Swinney 1989-5-22 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon, Big Dalton Debris basin 366 Comment
  RSA251555  Gnaphalium luteoalbum R. F. Thorne 1973-4-11 s.n. Los Angeles San Clemente Island, upper part of Middle Ranch Canyon. 381 Comment
  RSA597982  Gnaphalium microcephalum L. Raz 1997-3-16 66 Los Angeles Santa Catalina Island. Avalon Canyon via 'Divide Trail', northeast of the Wrigley Botanical Garden. 183 Comment
  SBBG94236  Gnaphalium palustre C. B. Wolf 1932-5-12 Los Angeles between Little Harbor and Cottonwood Crk 45 Comment
  RSA251411  Gnaphalium palustre R. F. Thorne 1966-4-17 36093 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  UCR277109  Grayia spinosa R. G. Swinney 2011-4-19 14406 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  CAS-BOT-BC305274  Grindelia hirsutula F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  LA51491  Guillenia lasiophylla O. H. Kappler; 1944-5-7 616 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  UC56769  Guillenia lasiophylla W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  POM97402  Guillenia lasiophylla P. A. Munz 1926-4-4 10040 Los Angeles Bouquet Canyon, 5 miles N of Saugus. Comment
  UC1118600  Gutierrezia californica A. D. Gifford 1935-1-22 420 Los Angeles 3.7 mi s Red Mountain (in Charlie Canyon); Tejon Quad. 609 Comment
  UCR210525  Gutierrezia californica R. G. Swinney 2008-12-6 9958 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  UCR261363  Gutierrezia californica R. G. Swinney 2010-4-1 12166 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UC32181  Gutierrezia sarothrae J. H. Barber 1897-6-22 170 Los Angeles San Fernando Valley Comment
  SD264705  Hainardia cylindrica Steven A. Junak, Mark Hoefs 1998-6-12 Sca 732 Los Angeles UTM in supplement. Santa Catalina Island: Along Banning House Road, ca. 1.0 mile from Two Harbors. 228 Comment
  JEPS26449  Hazardia detonsa Peter H. Raven 1958-11-23 13768 Los Angeles Botanical Garden, University of Los Angeles, w Los Angeles Los Angeles, University of Los Angeles, Botanical Garden Comment
  POM359475  Hazardia squarrosa var. grindelioides F. R. Fosberg 1931-11-29 7079 Los Angeles La Crescenta Comment
  UC1118876  Hazardia squarrosa var. grindelioides Jerome S. Horton 1939-9-29 247 Los Angeles divide between East Fork San Dimas Canyon and San Gabriel Canyon (4350 Climactic Station, San Gabriel Divide); Cucamonga Quadrangle Comment
  SEINET10805303  Hedera David B. Dunn 1971-8-11 Dunn 18338 Los Angeles Cultivated plants at 4991 Pasadena Ave. Terr. in Highland Park, CA. Comment
  RSA623465  Helenium bigelovii L. C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: West of heliport. 1585 Comment
  SBBG65774  Helenium bigelovii E. Crow 1930-6-29 Los Angeles trail between Coldbrook and Pine Flats Comment
  UCR277401  Helianthemum scoparium R. G. Swinney 2010-8-23 13574 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  IRVC28699  Heliotropium curassavicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25477 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UC729765  Heliotropium curassavicum Carl B. Wolf 1932-5-12 3602 Los Angeles at mouth of Cottonwood Canyon; Santa Catalina Isl. 15 Comment
  UCSB31381  Hemizonia clementina Don Schroeder s. n. Los Angeles collected in the San Clemente Island San Clemente Island Comment
  UCR85803  Hemizonia fasciculata T. S. Ross, A. Ross 1991-6-3 5537 Los Angeles San Gabriel Valley, Elephant Hill, west Pomona 305 Comment
  POM186715  Herissantia crispa Thomas Craig 1928-3-11 682 Los Angeles San Pedro Bay, 0.5 mile from shore Comment
  LA51804  Hesperocnide tenella Louis Wheeler; 1932-4-23 649 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA135199  Hesperocnide tenella Peter H. Raven 1960-5-15 15372 Los Angeles Piuma Road 5.1 miles north-west of Rambla Pacifica [Rd]. Santa Monica Mountains. 213 Comment
  RSA792781  Hesperocnide tenella Justin M. Wood 2009-3-24 385 Los Angeles City of Claremont: Bernard Field Station, NW corner of Mills Ave. and Foothill Blvd. Northernmost portion of the station, east of RSABG. 410 Comment
  SBBG107477  Hesperocyparis macrocarpa S. L. Crockett, M. L. Hoefs, S. A. Junak, G. Allan 1996-10-31 549 Los Angeles Mt Black Jack Cmpgrd Comment
  CAS-BOT-BC135948  Hesperoyucca whipplei I. W. Clokey 1935-7-1 6994 Los Angeles Hillside, Pasadena Glen 400 Comment
  OBI29603  Hesperoyucca whipplei Leo Thibault 1966-5-28 24 Los Angeles Mohave Desert, 1.5 mi NE of Palmdale 1082 Comment
  CAS-BOT-BC143703  Heteromeles arbutifolia L. R. Abrams; I. L. Wiggins 1931-7-6 385 Los Angeles Vicinity of Mosquito Harbor Comment
  RSA0072429  Heteromeles arbutifolia Scott D. White 1997-2-2 4657 Los Angeles San Dimas/Pomona area: Bonelli Regional Park. Just NW of Puddingstone Reservoir, S of San Dimas Ave., and E of the I-210 Freeway. 244 Comment
  RSA725786  Heteromeles arbutifolia A. C. Sanders, Mark A. Elvin 2002-6-18 25128 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
  SBBG13790  Heteromeles arbutifolia M. A. Piehl 1962-10-3 62533 Los Angeles 0.75 mi E of Middle Ranch, main rd in Middle Ranch Cyn Comment
  SD230284  Heteromeles arbutifolia Steve Boyd 1997-9-17 10038 B Los Angeles Liebre Mountains Region: Knapp Rand area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 975 Comment
  SFV21041  Heteromeles arbutifolia L. Gross 2001-11-10 450 Los Angeles Verdugo Mountains North side of mountains on Santa Monica Mountains Conservancy land. South side of La Tuna Canyon Road just west of the 210 Freeway, La Tuna Canyon exit. Sunny area near canyon bottom. 427 Comment
  UCR260609  Heteromeles arbutifolia R. G. Swinney 2010-8-9 13458 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail 427 Comment
  SD132613  Heteromeles arbutifolia var. macrocarpa F. R. Fosberg 1931-5-4 S 4763 Los Angeles Bullrush Canyon, Santa Catalina Island 99 Comment
  RSA0074504  Heterotheca fastigiata C. F. Baker 1903-8-2 3669 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA0074529  Heterotheca fastigiata Mary H. Ward 1970-4-16 LASCA- 897 Los Angeles San Rafael Hills behind Linda Vista, southwestern Pasadena. Comment
  RSA0074064  Heterotheca grandiflora Scott D. White 1995-10-19 3711 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
  SFV3986  Heterotheca grandiflora C. Gasser 1956-3-2 s. n. Los Angeles Santa Monica Mountains 3.5 miles from Highway 101 on Malibu Canyon Road, by Honor Camp #3. 610 Comment
  CAS-BOT-BC318849  Heterotheca grandiflora Herman Knoche 1919-6-25 916 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC311264  Heterotheca sessiliflora subsp. echioides F. W. Peirson 1923-10-7 4163 Los Angeles Newhall at Railway Station, San Gabriel Mts. Comment
  CAS-BOT-BC310847  Heterotheca sessiliflora subsp. fastigiata Le Roy Abrams 1900-8-9 851 Los Angeles Monrovia Comment
  UCR129355  Heuchera elegans F. W. Peirson 1924-5-27 4639 Los Angeles San Gabriel Mtns., north slope, Strawberry Peak 1753 Comment
  RSA789058  Hieracium albiflorum Jane Tirrell 2012-7-20 LS 0113 Los Angeles Approx 100 ft above south side California State Route 2 at mile marker 66.43 2277 Comment
  LA32277  Hirschfeldia incana Peter H. Raven; Henry J. Thompson 1959-9-20 14460 Los Angeles 274 Comment
  UCR265466  Hordeum depressum Jordan Zylstra 2015-4-10 15002 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1016 Comment
  RSA0085052  Hordeum glaucum Paul M. Inman 1983-5-15 51583 -5 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia. On Winter Creek trail=c above Hoegee's Camp. 914 Comment
  SEINET3129342  Hordeum marinum Unknown 1903-4-11 3243 Los Angeles Along streets Inglewood Comment
  UCR214622  Hordeum marinum A. C. Sanders, Dan S. Cooper 2010-3-12 37363 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA757805  Hordeum murinum subsp. glaucum Orlando Mistretta, Christine Mistretta 2008-4-7 2373 Los Angeles along SCE transmission line corridor, ca. 1.5 mi. NW of intersection of transmission line with State Hwy. 14 (1.75 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 41 per TRTP survey-2008) 972 Comment
  LA14713  Hordeum murinum subsp. glaucum Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA251427  Hordeum murinum subsp. leporinum R. F. Thorne 1966-4-15 36038 Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 Comment
  SD90628  Hordeum murinum subsp. leporinum Robert F. Thorne 1966-4-16 36038 Los Angeles San Clemente Island: sandy bank of old raised beach, 2/3 mile SSE of Eel Point and N of Seal Cove, SW side of island 29 Comment
  UCSB6768  Hordeum murinum subsp. leporinum Ilch, D.; Gleason, C. 1933-5-29 Los Angeles San Dimas SRE plot 304; block 8F Comment
  RSA151240  Hordeum vulgare P. H. Raven 1962-4-11 17292 Los Angeles Near airfield at north end of island, San Clemente Island 30 Comment
  SBBG12191  Hordeum vulgare P. H. Raven 1962-4-11 17292 Los Angeles near airfield at N end of island 30 Comment
  UCR96173  Hordeum vulgare B. G. Pitzer 1996-4-20 2706 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  JEPS44525  Horkelia rydbergii Frank W. Peirson 1921-6-15 2448 Los Angeles San Gabriel Mts., Pine Flats stream [Charlton Flat] 1524 Comment
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Jul 29 2016
  UC1586212  Horkelia rydbergii Tim Ross 1991-8-16 5838 Los Angeles Horse Flats San Gabriel Mtns, Chilao Flats USGS 7.5' quad 1719 Comment
  UCR275501  Horkelia rydbergii D. E. Bramlet 2011-8-17 4931 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  UCR272948  Hulsea heterochroma R. G. Swinney 2011-8-5 15609 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
  POM360702  Hulsea heterochroma Fordyce Grinnell Jr 1916-6-10 s.n. Los Angeles Sister Elsie Trail, San Gabriel Mountains near Pasadena. Comment
  CAS-BOT-BC312601  Hulsea vestita subsp. gabrielensis Timothy S. Ross 1994-5-31 7976 Los Angeles San Gabriel Mountains. Pacifico Mountain: somewhat flat granitic ridgetop ca 860 m WNW of the 7124-ft summit 2081 Comment
  NY546780  Hulsea vestita subsp. gabrielensis D. H. Wilken 1973-6-1 11880 Los Angeles Angeles Crest Highway, 3 miles East of Chilao, San Gabriel Mts. 1828.8 Comment
  CAS-BOT-BC312943  Hypochaeris glabra Timothy S. Ross 1992-5-24 6411 Los Angeles San Gabriel Mountains. Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 475 Comment
  UC92002  Hypochaeris radicata A. J. McClatchie 1893-5-21 136 Los Angeles along street in Pasadena Comment
  UCR18378  Hypochaeris radicata O. F. Clarke 1977-7-4 s.n. Los Angeles Pasadena, residential garden at 384 North Oakland Avenue 268 Comment
  SEINET10637909 Image available Ipomoea batatas Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3802 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  SEINET3876145  Iris longipetala Bonnie C. Templeton 1947-7-1 4399 Los Angeles Fraser Mt., mount Pinas region.; 0 Comment
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Feb 17 2015
  SD85058  Isocoma menziesii var. menziesii E. R. Blakley 1961-9-23 4738 Los Angeles Santa Catalina Island, south shore of Catalina Harbor east of Ballast Point 2 Comment
  UC892009  Isocoma menziesii var. menziesii Carl B. Wolf 1932-10-4 4223 Los Angeles about 1/4 mi from Avalon (along road to Pebbly Beach); Santa Catalina Island 7 Comment
  CAS-BOT-BC311652  Isocoma menziesii var. vernonioides E. R. Blakley 1962-10-3 5374 Los Angeles Banks around Wrigley Reservoir at the summit of the island road. Santa Catalina Island 426 Comment
  RSA593483  Isolepis cernua Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8846 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon. 549 Comment
  CAS-BOT-BC101912  Juglans californica John Thomas Howell 1928-3-4 3381 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  RSA401014  Juglans californica Elbert Benjamine 1929-2-24 47 Los Angeles Laurel Canyon, Hollywood Comment
  RSA660476  Juglans californica Ian Thompson 1997-2-26 16 Los Angeles Cal Poly Pomona Ecological Reserve. Northeast facing slope south of E-line. Comment
  RSA670755  Juglans californica Joseph M. Keefe 2001-4-8 31202 Los Angeles San Rafael Mountains. South side of Upperton Place (south across street from 1366 Upperton Place) 0.5 mile west of intersection with Upperton Avenue; ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, CA 90042. 259 Comment
  LA200575  Juglans californica var. californica A. M. Johnson; 1928-2-16 56 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0011158  Juglans californica var. californica D. E. Bramlet, Jennifer Pareti 2008-4-14 4197 Los Angeles Transverse Ranges: Liebre Mtns reg: Bouquet Cyn.; Creek SE of Bouquet Cyn Rd and Vasquez Cyn. Road. Comment
  SBBG90458  Juncus acutus M. C. Hochberg 1985-4-7 1203 Los Angeles Little Springs Cyn 243 Comment
  CATA853  Juncus acutus subsp. leopoldii Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1662 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA692083  Juncus balticus subsp. ater A. C. Sanders 2002-6-19 25152 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just S of Santa Clara River. 305 Comment
  SD69793  Juncus bufonius Robert F. Thorne 1966-4-6 35901 Los Angeles Santa Catalina Island, margin of small reservoir north of Catalina Airport. 436 Comment
  UC1971179  Juncus bufonius Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon Comment
  RSA228884  Juncus covillei Robert F. Thorne 1971-8-25 41300 Los Angeles San Gabriel Mountains, Angeles National Forest: At Little Jimmy Springs. 2256 Comment
  RSA600732  Juncus duranii L. C. Wheeler 1954-9-1 7086 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  UC212767  Juncus macrophyllus Ivan Johnston 1916-10-15 Los Angeles Evy Canyon; stream Comment
  CAS-BOT-BC110157  Juncus mertensianus Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38881 Los Angeles San Gabriel Mountains. Angeles National Forest. Near Lodgepole Picnic area at headwaters of Dorr Canyon, North slope Throop Peak, above Angeles Crest Highway, 1.2 mile southeast of Dawson Saddle. 2331 Comment
  RSA0015840  Juncus rugulosus LeRoy Gross, Evan Meyer, Bart O Brien 2013-10-17 6210 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  UCR204745  Juncus rugulosus R. G. Swinney 2005-8-9 8420 A Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR210247  Juncus rugulosus R. G. Swinney 2008-8-14 9433 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  RSA0116658  Juncus textilis R. G. Swinney 2008-10-10 9580 Los Angeles San Gabriel Mtns.; Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UC842991  Juncus xiphioides Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Seco 975 Comment
  RSA594661  Juncus xiphioides L. C. Wheeler 1947-5-24 6506 Los Angeles San Gabriel Mountains. South side of San Gabriel Canyon, 1/4 mi. upstream from mouth. Comment
  RSA585375  Juniperus osteosperma T. S. Ross 1991-4-27 4655 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  UCR78122  Keckiella antirrhinoides Wandalee Thompson 1964-4-11 3 Los Angeles San Gabriel Mtns., Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest 457 Comment
  CAS-BOT-BC235762  Keckiella cordifolia F. Grinnell 1903-7-3 s.n. Los Angeles Scoville's [Scoville] Hill, near Pasadena Comment
  CATA237  Keckiella cordifolia Mark L. Hoefs, A. Douglas Propst 1973-5-4 232 Los Angeles Santa Catalina Island: Lower Middle Canyon 144 Comment
  RSA0070275  Keckiella cordifolia R. G. Swinney 2010-8-16 13532 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  SEINET8731936 Image available Keckiella cordifolia Bruce Haines 1988-1 3 Los Angeles Approximately 5 miles north of Pacific on state highway 27, Topanga Canyon, Santa Monica Comment
  RSA596141  Keckiella ternata subsp. ternata Tim S. Ross, Steve D. Boyd 1995-6-28 8655 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  CLARK-A1528-2584  Kochia californica John C. Roos 1947-9-18 2790 Los Angeles Lancaster Comment
  UCD168230  Kochia prostrata 2015-1-1 s.n. Los Angeles Antelope Valley [UTM convert by label maker]. 750 Comment
  UCR179445  Koeleria macrantha R. G. Swinney, Dave Larson 1996-7-17 5115 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  CAS-BOT-BC271338  Koeleria pyramidata Victor Duran 1933-7-9 3505 Los Angeles Horse Flats, San Gabriel Mountains 1676 Comment
  RSA0012044  Krascheninnikovia lanata R. G. Swinney 2009-4-29 10601 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 945 Comment
  RSA698763  Lagophylla ramosissima subsp. ramosissima LeRoy Gross, P. Morton 2004-6-10 1374 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  CAS-BOT-BC273824  Lamarckia aurea John H. Thomas 1957-4-27 6696 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume. 15 miles due west of Santa Monica 152 Comment
  CAS-BOT-BC273829  Lamarckia aurea LeRoy Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  CATA3420  Lamarckia aurea Jaimie Choi, Julia Parish, Olivia Reda, Tobias Nickel, Stuart Olshevski 2017-3-31 001 Los Angeles Santa Catalina Island: Interior; Roadside, northeast of Middle Ranch reservoir 234 Comment
  CDA31249  Lamarckia aurea M. O'Brien 2010-4-23 MOB 10 -01 Los Angeles Leo Carrillo - County Line State Beach Comment
  SBBG128757  Lamarckia aurea M. L. Hoefs, R. Given 1992-4-16 1808 Los Angeles Wild Boar Gully 152 Comment
  SEINET2473454 Image available Lamarckia aurea Richard G. Swinney 2009-1 10375 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills; Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UC1584700  Lamarckia aurea Tim Ross 1991-3-24 4317 Los Angeles between Sycamore Canyon and Turnbull Canyon (Whittier Hills, (Puente Hills, pro parte)); Whittier Hills 361 Comment
  UCR197126  Lamium amplexicaule LeRoy Gross 2007-3-12 2597 Los Angeles Transverse Ranges; Verdugo Mountains, base of northern side of the range, behind the Foothill Athletic Club at the southern end of Lowell Avenue 468 Comment
  RSA356052  Lamium amplexicaule Robert F. Thorne 1973-3-26 42718 Los Angeles Webb Canyon, N of Claremont 366 Comment
  CAS-BOT-BC338155  Lasthenia californica M. E. Jones 1882-3-7 s.n. Los Angeles Pasadena Comment
  CATA363  Lasthenia californica Mark L. Hoefs 1974-3-28 412 Los Angeles Santa Catalina Island: Ridge above and north of upper Bulrush Canyon, northwest exposure 335 Comment
  SEINET7047893  Lasthenia californica Steven R. Hill, Kate Kramer 2001-4-22 33341 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  RSA0055760  Lasthenia coronaria R. G. Swinney 2010-4-1 12144 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  UC30403  Lasthenia coronaria Harley P. Chandler 1897-2-10 Los Angeles Claremont 365 Comment
  RSA177880  Lasthenia gracilis R. F. Thorne, P. Everett 1965-5-10 34520 Los Angeles Near upper end of Gallagher Canyon; Santa Catalina Island. 427 Comment
  RSA600029  Lasthenia gracilis Steve Boyd, Lauren Raz 1997-3-25 9249 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
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Apr 28 2008
  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
  UC2061411  Lasthenia gracilis Rachael L. Olliff Yang with Ellery Mayence, Ana Penny, Lynn Yamashita, Bridget Wessa 2017-4-17 5 Los Angeles Tejon Ranch. Mojave Side; close to 290th Street Gate (Loomis Gate). Comment
  UC1587207  Lasthenia gracilis Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5331 Los Angeles between Box and Horse Canyons; w side San Clemente Island 484 Comment
  UC1584756  Lathyrus latifolius Tim Ross and Annette Ross 1991-3-7 4151 Los Angeles n slopes Elephant Hill (w Pomona); Pomona, San Dimas U.S.G.S. 7.5' Quad. 335 Comment
  SBBG31130  Lathyrus vestitus var. alefeldii R. F. Thorne 1966-4-28 Los Angeles rd to Renton Mine, Pebbly Beach Cyn 243 Comment
  RSA598254  Lathyrus vestitus var. vestitus R. G. Swinney 1989-11-24 1482 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road 1.4 mi. NE of Glendora Mountain Road. 457 Comment
  RSA90278  Lathyrus vestitus var. vestitus F. W. Peirson 1919-3-11 104 Los Angeles first canyon east of Rubio Canyon 549 Comment
  UC1587714  Lavatera cretica Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5140 Los Angeles at the beginning of Larkspur Canyon drainage, 900 ft sse of the 924' BM at the e end of the old airfield landing strip San Clemente Island; , Larkspur Canyon drainage 266 Comment
  CAS-BOT-BC321513  Layia glandulosa Carl B. Wolf 1928-3-29 1591 Los Angeles S base of Ridge Route, 1 mi N of Castaic. 396 Comment
  SBBG12519  Layia glandulosa E. R. Blakley 1958-5-9 2264 Los Angeles 2 mi E of Gorman 1097 Comment
  UCR192175  Layia glandulosa A. C. Sanders 2008-4-17 34928 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  POM361624  Layia glandulosa M. Bisbee 1917-5-30 s.n. Los Angeles Wild flower garden, Exposition Park Comment
  RSA784342  Layia platyglossa Anonymous 1958-3-11 46 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont, near eastern end of Los Angeles County. 366 Comment
  UCLA64369 Image available Lepechinia floribunda Carl Epling 1947-8-15 Los Angeles Horticultural Area, University of California, West Los Angeles, California. Comment
  UC457317  Lepechinia fragrans Carl Epling 1931-5-30 Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  RSA752455  Lepidium didymum Justin M. Wood 2009-4-22 518 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  CAS-BOT-BC89309  Lepidium flavum Ernest C. Twisselmann 1962-4-10 6831 Los Angeles Mojave Desert. Rosamund region. Avenue A 1.3 mile east of Highway 6. 624 Comment
  JEPS53632  Lepidium flavum W. L. Jepson 1935-4-17 17033 Los Angeles Lancaster, w Mohave Desert Mohave Desert 716 Comment
  CAS-BOT-BC89416  Lepidium fremontii A. D. E. Elmer 1902-6-1 3632 Los Angeles Lancaster. Comment
  CHSC101723  Lepidium latifolium Scott D. White; Justin Wood 2008-5-19 12019 Los Angeles Los Angeles Basin; Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Avve. And 605 freeway. SCE powerline corridor. 68 Comment
  SDSU19983  Lepidium nitidum S. H. Bullock 1968-4-6 63 Los Angeles Claremont, north of foothill Blvd. between Dartmouth and College Ave. 351 Comment
  UC511915  Lepidium perfoliatum Frank W. Peirson 1933-5-13 10666 Los Angeles 12 mi ne Lancaster Comment
  UC216493  Lepidium virginicum var. pubescens A. J. McClatchie 1893-4-10 Los Angeles near Pasadena Comment
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Dec 9 2010
  UCR210341  Lepidium virginicum var. pubescens R. G. Swinney 2008-10-16 9597 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UC1010238  Lepidospartum latisquamum John C. Roos 1951-7-30 5073 Los Angeles Swartout Valley between Wrightwood and Big Pines; San Gabriel Mts., Swartout Valley between Wrightwood and Big 1981 Comment
  RSA95036  Lepidospartum latisquamum F. W. Peirson 1928-9-5 8194 Los Angeles Swartout Valley, 1 mile E of summit at Big Pines 2011 Comment
  POM361776  Lepidospartum squamatum L. C. Wheeler 1931-8-1 s.n. Los Angeles Thompson Wash near La Verne. 373 Comment
  UC1483332  Lepidospartum squamatum C. W. Tilforth 1975-10-14 1194 Los Angeles between College Ave and Mills Ave; Foothills Blvd. Comment
  UCR210130  Leptochloa uninervia R. G. Swinney 2008-10-20 9643 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA0098374  Leptosiphon breviculus R. G. Swinney 2011-6-6 14988 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA0081005  Leptosiphon breviculus Dick Swinney 1994-6-12 2885 Los Angeles Sheep Mountain Wilderness, Prairie Fork Canyon, 2.1 mi. SE of jct of FS rds 3N06 and 3N39, at rd 3N39. S of road. 2194 Comment
  RSA73032  Leptosiphon breviculus F. W. Peirson 1929-7-1 8443 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  SD231198  Leptosyne bigelovii Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 50506 6 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR209971  Lessingia filaginifolia R. G. Swinney 2008-9-9 9328 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  CAS-BOT-BC339277  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-10-9 3142 Los Angeles One mile sw. of San Fernando, San Fernando Valley Comment
  RSA126888  Lessingia glandulifera var. glandulifera H. S. Yates 1936-8-28 6369 Los Angeles 2 miles southeast of Big Pine Park 1905 Comment
  RSA187985  Leymus condensatus R. F. Thorne, Percy C. Everett 1965-6-22 34869 Los Angeles Santa Catalina Island: along Upper Pebble [Pebbly] Beach road 30 Comment
  RSA747397  Leymus triticoides R. G. Swinney 2008-6-9 8957 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  SBBG59319  Leymus triticoides R. Hoffmann 1927-8-30 Los Angeles Castaic Comment
  RSA377135  Lilium humboldtii subsp. ocellatum Louis C. Wheeler 1932-6-18 833 Los Angeles San Dimas Canyon 427 Comment
  UCR209421  Lilium parryi R. G. Swinney 2008-9-13 9457 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  JEPS58201  Linanthus aureus Frank W. Peirson 1919-3-30 343 Los Angeles Big Tujunga Canyon San Gabriel Mountains 426 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
  SEINET7040198  Linanthus bigelovii A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  UC908215  Linanthus breviculus Herbert L. Mason 1926-4-27 3036 Los Angeles Rock Creek, Mohave Desert slope of San Gabriel Mountains San Gabriel Mountains Comment
  LA99461  Linanthus californicus Hisao P. Arai; 1957-3-16 sn Los Angeles 853 Comment
  RSA679887  Linanthus concinnus LeRoy Gross, Valerie Soza 2003-6-10 1024 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., ca. 2.5 miles south of Mount San Antonio summit along trail. 2409 Comment
  UC908005  Linanthus dianthiflorus I. W. Clokey and E. G. Anderson 1931-3-11 5336 Los Angeles San Gabriel Canyon 900 Comment
  SBBG98237  Linanthus dianthiflorus C. B. Wolf 1932-3-4 2669 Los Angeles Thompson Crk, 3-4 mi N of Claremont 457 Comment
  RSA0117699  Linanthus dichotomus A. C. Sanders 2007-4-25 33582 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  UCD118539  Linanthus dichotomus Steve Boyd; Orlando Mistretta 1986-3-31 1564 Los Angeles Mojave Desert: Highway 138, 4 miles E of junction with Highway 18 NE of Pinyon Hills. Comment
  SBBG126917  Linanthus parryae A. Parikh, N. Gale 2010-6-2 3248 Los Angeles 3.9 km W of St Hwy 14, 2.1 km SW of California Aqueduct, under power lines; Sierra Pelona, Liebre Mtns 1130 Comment
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Jul 7 2015
  RSA729393  Linanthus pungens R. G. Swinney 1998-7-21 6488 Los Angeles Fish Fork Trail, 1.9 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2134 Comment
  UCR270103  Linanthus pungens R. G. Swinney 2011-7-21 15533 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  SEINET5344335  Linaria canadensis J. Barber 1897-3-14 47 Los Angeles Santa Monica Forestry Station Comment
  RSA400291  Linaria canadensis var. texana M. B. Dunkle 1939-4-2 s.n. Los Angeles San Clemente Island, S. E. point Comment
  UCR220244  Lithophragma R. G. Swinney 2009-4-15 10341 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  RSA244386  Lithophragma affine Robin S. Collins 1973-4-9 237 Los Angeles Angeles National Forest, San Gabriel Mts: Trail Cyn. 610 Comment
  UC858161  Lithophragma affine Ira W. Clokey, B. Templeton Apr. 1929 4430 Los Angeles Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 350 Comment
  CAS-BOT-BC432211  Lithophragma bolanderi Timothy S. Ross 1993-6-1 7353 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. Mt. Wilson 7.5 USGS gradrangle. 804 Comment
  UCR191524  Lithophragma tenellum R. G. Swinney 1998-7-8 6338 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  SJSU13574  Lobelia dunnii var. serrata C. W. Sharsmith 1940-8-29 4223 Los Angeles at head of Eaton Canyon, San Gabriel Mts 1371 Comment
  RSA659683  Lobularia maritima Chris White 1991-5-20 25 Los Angeles Point Fermin Comment
  RSA436047  Lobularia maritima A. G. Goodwin 1940-05 s.n. Los Angeles Hermosa Beach Comment
  RSA337418  Loeseliastrum matthewsii R. F. Thorne 1973-5-11 43533 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  UCSB34492  Loeseliastrum matthewsii Timbrook, Steven 1977-4-21 Los Angeles 3.1 miles west of 263rd Street East on California 18 Comment
  CAS-BOT-BC342187  Logfia filaginoides Le Roy Abrams 1901-4-3 1257 Los Angeles Santa Monica Mts. 213 Comment
  RSA784230  Lolium J. D. Olmsted 1962-4-30 416 Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  CAS-BOT-BC269095  Lolium perenne LeRoy Abrams 1902-6-12 2525 Los Angeles Ballona Creek near Mesmer Comment
  UC1424818  Lomatium lucidum Jack Delaini and Ken Zakar 1974-4-11 117 Los Angeles side canyon of Lodi Canyon, San Dimas Experimental Forest Angeles National Forest 579 Comment
  RSA661477  Lomatium mohavense subsp. longilobum Vasu Dev, Barbara Dev 2001-3-30 s.n. Los Angeles On ridge west of road, ca. 0.6 miles south of Acton. Comment
  RSA97341  Lomatium mohavense subsp. mohavense F. W. Peirson 1926-4-26 6655 Los Angeles about 1 mile east of Palmdale Comment
  SBBG59761  Lomatium utriculatum M. N. Ackley -Apr-1929 Los Angeles La Crescenta 457 Comment
  SFV6239  Lomatium utriculatum M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain. Above cattle reservoir on Orcutt Ranch. 1021 Comment
  RSA794251  Lomatium utriculatum Doris Hoover Bowers 1957-3-23 923 Los Angeles Rocky Point, LaVerne. 335 Comment
  SBBG110500  Lonicera hispidula S. A. Junak 1996-7-24 SCl 652 Los Angeles Box Cyn, ca. 1.2 mi inland from beach 243 Comment
  POM128321  Lonicera hispidula var. vacillans F. M. Reed 1909-7-3 2832 Los Angeles Santa Catalina Island; canyon above golf links at Avalon. Comment
  RSA229111  Lonicera interrupta R. F. Thorne, C. W. Tilforth 1971-6-29 40708 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  LA33629  Lonicera subspicata var. denudata Peter H. Raven; 1958-10-11 13758 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, N-facing side of summit. 822 Comment
  UCR125897  Lotus A. C. Sanders, Mark Elvin, et al 2002-6-26 25298 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  SEINET957157  Lotus argophyllus var. argophyllus J. E. Deisler 1984-1 Los Angeles Santa Catalina Island; on hill south of USC Marine Station, overlooking the ocean to the east. Comment
  RSA155785  Lotus argophyllus var. ornithopus P. H. Raven 1962-5-22 17843 Los Angeles Middle Ranch, Santa Catalina Island. 213 Comment
  SBBG31272  Lotus corniculatus R. F. Thorne 1966-9-15 36700 Los Angeles Middle Ranch, Middle Ranch Cyn 213 Comment
  UC1595379  Lotus crassifolius Tim Ross and Steve Boyd 1990-6-18 3487 Los Angeles vicinity Camp Verdugo Pines (n draw draining to Jackson Lake); San Gabriel Mtns., Jackson Lake, Mescal Creek U.S.G.S. 7.5' 1877 Comment
  RSA406923  Lotus dendroideus var. dendroideus R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  RSA698757  Lotus grandiflorus var. grandiflorus LeRoy Gross, P. Morton 2004-6-9 1367 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.) 1732 Comment
  RSA585942  Lotus grandiflorus var. grandiflorus T. S. Ross 1990-5-23 2635 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon. 1308 Comment
  UCR275541  Lotus heermannii D. E. Bramlet 2011-8-26 4941 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  POM18112  Lotus heermannii var. heermannii P. A. Munz 1923-5-25 6819 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  RSA596449  Lotus heermannii var. heermannii R. G. Swinney 1989-8-6 s.n. Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton debris basin. 365 Comment
  RSA586351  Lotus humistratus Orlando Mistretta 1995-3-17 1544 Los Angeles Northwest of Little Rock Reservoir, on Emma section of Little Rock Creek Management Unit. 1128 Comment
  RSA715426  Lotus nevadensis var. davidsonii R. G. Swinney 1997-8-19 5825 Los Angeles San Antonio Peak (=Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  RSA90360  Lotus nevadensis var. davidsonii F. W. Peirson 1922-7-5 4089 Los Angeles Big Pines Camp 2104 Comment
  RSA406254  Lotus procumbens var. procumbens B. C. Templeton 1933-5-16 5133 Los Angeles West Blue Ridge, Big Pines Park. 2088 Comment
  UC1871340  Lotus procumbens var. procumbens T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3977 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UCR256223  Lotus purshianus R. G. Swinney 2010-6-4 13034 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UC864944  Lotus salsuginosus I. W. Clokey and B. C. Templeton 1930-4-8 4644 Los Angeles San Francisquito Canyon 800 Comment
  UCR124369  Lotus salsuginosus I. W. Clokey, B. C. Templeton 1929-1 4517 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  POM128952  Lotus salsuginosus var. salsuginosus George B. Grant 1901-04 712 Los Angeles Garvanza [?] So Cal Comment
  RSA279068  Lotus salsuginosus var. salsuginosus R. F. Thorne 1971-4-9 41534 Los Angeles Angeles National Forest; or near entrance thereto and below entrance to wooded area of San Dimas Canyon along San Dimas Creek. 381 Comment
  RSA0087387  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-25 12976 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
  UCR206537  Lotus scoparius subsp. scoparius A. C. Sanders, T. B. Salvato 2009-5-19 36831 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  POM16372  Lotus scoparius var. brevialatus Fossler 1923-4-2 s.n. Los Angeles Near Arroyo Seco, Pasadena Comment
  RSA708690  Lotus scoparius var. scoparius Valerie L. Soza, Miriam Sidibeh 2003-3-26 1600 Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  UCR13749  Lotus scoparius var. scoparius L. B. Ware 1971-6-10 103 Los Angeles W of Saint Bernard High School, Playa del Rey 37 Comment
  IRVC26368  Lotus strigosus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26057 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  UC557701  Lotus strigosus Nell Murbarger Mar 1936 22 Los Angeles San Clemente Island Comment
  UCR192538  Lotus strigosus A. C. Sanders 2008-4-10 34839 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR273413  Lotus strigosus R. G. Swinney 2011-6-22 15260 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
  UCR282043  Lotus strigosus R. G. Swinney 2014-4-18 16112 Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  POM18198  Lotus strigosus var. strigosus P. A. Munz 1923-4-10 6750 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  POM201889  Lotus unifoliolatus L. M. Booth 1932-06 1258 Los Angeles Long Beach. Comment
  RSA406262  Lotus unifoliolatus A. N. Dunn 1931-5-30 s.n. Los Angeles Santa Monica Mountains. Comment
  POM9714  Lotus wrangelianus P. A. Munz 1921-4-24 4436 Los Angeles Ridge Road, near Castaic. 610 Comment
  RSA90343  Lotus wrangelianus F. W. Peirson 1918-5-5 4072 Los Angeles along road to [Brents] on the Malibu, Santa Monica Mts. Comment
  UCR124567  Lupinus B. C. Templeton 1932-6-17 4915 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  RSA0085065  Lupinus Lyman Benson 1945-4-14 11675 Los Angeles Claremont. 351 Comment
  UC1481355  Lupinus albifrons David B. Dunn 1957-5-18 RSA- 6450 Los Angeles Comment
  RSA213328  Lupinus albifrons var. eminens Reid V. Moran 1941-3-13 704 Los Angeles Santa Catalina Island. Hermit Gulch, near creek. 50 Comment
  UCD107281  Lupinus bicolor Daryl Koutnik; American Birder 1978-4-15 373 Los Angeles Porter Ranch in the San Fernando Valley, west of Limekiln Canyon. 609 Comment
  RSA603533  Lupinus bicolor Mark Hoefs, Steven A. Junak 1996-5-1 2702 Los Angeles Road to lone Tree, past Upper Road to Avalon Canyon. 463 Comment
  RSA756879  Lupinus bicolor Orlando Mistretta, Christine Mistretta 2008-4-4 2339 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 53 per TRTP survey; 2008) 1220 Comment
  UCD107125  Lupinus bicolor C. F. Baker 1909-3-20 5252 Los Angeles Claremont. Comment
  SJSU13354  Lupinus breweri C. W. Sharsmith 1945-9-7 5468 Los Angeles E slope Mt Waterman, San Gabriel Mts 2042 Comment
  LA205007  Lupinus chamissonis Harlan Lewis; 1939-4-22 sn Los Angeles Hermosa Beach 0 Comment
  SBBG129041  Lupinus chamissonis J. George, A. S. George 2014-1-15 Los Angeles Redondo Beach, immediately E of intersection of Artesia Blvd and Goodman Ave 33 Comment
  RSA595121  Lupinus concinnus Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8573 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N01, 6.2 road miles from jtn with 8N05. 1174 Comment
  UCR182227  Lupinus concinnus R. G. Swinney 1998-4-14 6003 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
  SEINET10488646  Lupinus concinnus H. Lewis 1946-5-2 Lewis s.n. Los Angeles Collected on catalina island at whitley ave. At canyon, on hillside back of Town. Comment
  NY15861  Lupinus densiflorus var. mcgregorii L. Abrams 1908-7-2 551 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158.2 Comment
  CAS-BOT-BC205148  Lupinus elatus Robert F. Thorne; J. Dourley 1967-10-10 37376 Los Angeles San Gabriel Mts., Angeles National Forest: Cortelyou Springs 2072 Comment
  UC625117  Lupinus excubitus var. hallii F. R. Fosberg 1931-5-12 S 4849 Los Angeles Descanso Canyon near Coach Road Santa Catalina Id; Santa Catalina Id., Descanso Canyon 300 Comment
  SEINET10485295  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA 6226 x 6457 (pl 2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  SBBG69110  Lupinus formosus R. Hoffmann 1925-4-19 Los Angeles W border of Antelope Valley Comment
  RSA305927  Lupinus formosus var. bridgesii McFadden 1933-05 11041 Los Angeles Pacoima, San Fernando Valley Comment
  POM184697  Lupinus formosus var. formosus Joseph A. Ewan 1932-6-17 7263 Los Angeles West of Barley flats 1677 Comment
  RSA657453  Lupinus formosus var. formosus C. Schapiro 1979-5-27 20 Los Angeles Verdugo Mountains: On fire road at intersection of Linda Vista and Figueroa, North Glendale 762 Comment
  UCSB45219  Lupinus hirsutissimus Davis, K. 1979-2-24 Los Angeles Santa Monica Mountains; near Highway 23, 2 miles north of the junction with Highway 1 152 Comment
  RSA175430  Lupinus latifolius subsp. parishii Joseph A. Ewan 1930-6-23 2660 Los Angeles Little Cienega below Crystal Lake 1463 Comment
  CAS-BOT-BC211690  Lupinus longifolius Alice Eastwood 1940-5-11 s.n. Los Angeles Mandeville Canyon Comment
  LA91414  Lupinus longifolius Bruce Douglas Clayton; Greg Shaw 1972-3-16 14 Los Angeles Santa Monica Mountains, along fire road to Mountain Park Research Campus 548 Comment
  POM2602  Lupinus longifolius Philip A. Munz 1918-4-11 2043 Los Angeles Glendora. Comment
  RSA0055064  Lupinus longifolius Jim Shevock 1970-4-16 111 Los Angeles Topanga Canyon, Santa Monica Mountains. 411 Comment
  UC575464  Lupinus longifolius C. B. Wolf 1931-6-25 2243 Los Angeles along Beverly Blvd. on grade leading down into Santa Monica Canyon; on grade leading down into Santa Monica Canyon 45 Comment
  SD186211  Lupinus microcarpus A. C. Sanders, Mark Elvin, et al. 2003-4-14 25971 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain. 351 Comment
  UCR192947  Lupinus microcarpus Dan S. Cooper 2008-3-25 s.n. Los Angeles Los Angeles Basin, 300 m north of end of Catalina Ave., Whittier 111 Comment
  UCR78131  Lupinus microcarpus Wandalee Thompson 1964-4-14 13 Los Angeles Transverse Range; Liebre Mtns., Mouth of Richardson Canyon, 2 miles west of Three Points on N-2 (Pine Canyon Road) 1128 Comment
  UC1129605  Lupinus microcarpus var. densiflorus A. D. Gifford 1935-3-15 451 Los Angeles 6 mi ese Whitaker Peak; Tejon Quadrangle Comment
  RSA659049  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-16 1346 Los Angeles Roadside ditch and adjacent disturbed field, Hwy 138 and 26th Ave. in Palmdale. Comment
  RSA641225  Lupinus odoratus R. F. Thorne 1974-4-9 44709 Los Angeles San Gabriel Mountains: Bob's Gap in Holcomb Ridge. 1220 Comment
  POM29398  Lupinus odoratus var. odoratus C. Morse 1918-1 s.n. Los Angeles Mojave Desert (no data on label) Comment
  RSA152082  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson saddle 2438 Comment
  RSA642098  Lupinus peirsonii Orlando Mistretta 1994-9-22 1499 Los Angeles San Gabriel Mountains: Vicinity of Devils Punchbowl. Ridge east of Caruther's Creek, on east side of ridge 1767 Comment
  RSA87422  Lupinus polyphyllus subsp. bernardinus F. W. Peirson 1923-5-21 3520 Los Angeles Fish Canyon, San Bernardino Mountains 686 Comment
  RSA675806  Lupinus sparsiflorus LeRoy Gross 2003-3-7 763 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  UCR281643  Lupinus sparsiflorus R. G. Swinney 2014-5-27 16657 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA586066  Lupinus sparsiflorus subsp. sparsiflorus Orlando Mistretta 1995-4-21 1640 Los Angeles San Gabriel Mountains, Little Rock Creek, un-named Canyon draining the west slopes of Little Rock Creek Canyon 0.5 mile N of Kitter Canyon 1280 Comment
  RSA86965  Lupinus stiversii F. W. Peirson 1921-5-3 2405 Los Angeles Ridge Westward from Mt. Lowe near pint where the trail from Millard's Canyon crosses it, San Gabriel Mts 1296 Comment
  RSA589508  Lupinus succulentus Tim S. Ross 1995-5-21 8603 Los Angeles San Clemente Island: Near head of Chenetti Canyon. just SW of the W prong of the trident formed at the top of the longest tributary; 1800 ft SSE of Rest triangulation point (1336 ft). 347 Comment
  SBBG31457  Lupinus succulentus R. F. Thorne 1966-4-4 35762 Los Angeles bluff SE of Ballast Pt and Catalina Harbor, isthmus 60 Comment
  UCR214590  Lupinus succulentus A. C. Sanders, Dan S. Cooper 2010-4-30 38117 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCSB3345  Lupinus succulentus Wedberg, H. 1958-2-22 Los Angeles About 2 miles west of Berverly Glen Blvd. on Mulholland Drive, Santa Monica Mts. Comment
  UCSB45205  Lupinus succulentus Batson, J. 1979-2-24 Los Angeles End of Trancas Canyon Road near Malibu, CA 91 Comment
  RSA0083315  Lupinus truncatus R. G. Swinney 2010-3-22 12024 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UC575011  Lupinus truncatus E. Lloyd 1933-3-25 Los Angeles Mandeville Canyon; Sta. Monica Mts., Mandeville Canyon Comment
  UC1595441  Lycium andersonii Tim Ross 1992-4-4 6066 Los Angeles 1 mi se Black Butte (middle butte of the three); Mojave Desert, Three Sisters, El Mirage U.S.G.S. 7.5'Quad. 969 Comment
  RSA428827  Lycium californicum F. R. Fosberg 1931-5-20 S 4926 Los Angeles Catalina Harbor, Santa Catalina Island. 5 Comment
  UC625130  Lycium californicum F. R. Fosberg 1931-4-29 S 4705 Los Angeles 1.5 mi below Eagle's Nest; Santa Catalina Island, Middle Ranch Canyon 180 Comment
  SEINET13383963 Image available Lycium cooperi R. G. Swinney 2011-1 14443 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. (Pacifico Mountain 7.5' Q.); 34.480278 -118.0675 1219 Comment
  SEINET2042302 Image available Lycium cooperi B. Pitzer 1998-5-12 3688 Los Angeles Western Mojave Desert; ca. 18.3 air mi. NW of Adelanto, on dirt road, 0.3 mi E of 240th St. East. Ca. 6.8 mi N of intersection with El Mirage Road, and ca. 3.2 mi S of Avenue J (N5). (Adobe Mountain 7.5'Q) 890 Comment
  UCR259051  Lycium cooperi R. G. Swinney 2010-5-12 12761 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  SEINET4090625  Lyonothamnus floribundus R. Moran 1941-1 652 Los Angeles Head of Johnson's Canyon, Santa Catalina Island. 400 Comment
  RSA451792  Lyonothamnus floribundus subsp. floribundus M. B. Dunkle 1928-5-20 1962 Los Angeles Santa Catalina Island. Head of Swain's Canyon. 396 Comment
  RSA578203  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8187 Los Angeles Santa Catalina Island. 915m due SW from the Catalina Airfield runway, at the head of a Cottonwood Canyon tributary. 320 Comment
  RSA582448  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8204 Los Angeles Santa Catalina Island. W end of the island, midway between Star Bay and Black Point. 280 Comment
  SD252372  Lyonothamnus floribundus subsp. floribundus Steven A. Junak 2000-5-19 Sca 1319 Los Angeles Santa Catalina Island: N-facing slope in canyon above Button Shell Beach. 228 Comment
  SBBG20548  Lyonothamnus floribundus var. aspleniifolius E. R. Blakley 1963-12-8 6381 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 365 Comment
  CATA1171  Lysimachia arvensis Mark L. Hoefs 1995-5-30 2165 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  UCR259095  Lythrum californicum R. G. Swinney 2010-10-15 14058 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  POM49797  Madia exigua L. W. Nuttall 1920-6-6 s.n. Los Angeles Cattail Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC343073  Madia gracilis Timothy S. Ross; Steve Boyd 1995-6-28 8619 Los Angeles Liebre Mountains. Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 737 Comment
  LA38634  Madia gracilis Henry J. Thompson; 1959-5-24 2023 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  RSA590594  Madia gracilis Timothy S. Ross, Walter Appleby 1993-5-20 7185 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  SFV7536  Madia gracilis T. Gordon, K. Kimbrough, M. H. Grayum, K. A. Wilson, B. Collins, D. Brown, A. Starrett, G. Poseley 1975-5-26 1004 Los Angeles Santa Monica Mountains Along road in Century Ranch, east of Century Lake. 213 Comment
  JEPS26415  Malacothamnus davidsonii Joseph Andorfer Ewan 1928-7-10 Los Angeles Tujunga Wash San Fernando Valley (above S.P.R.R. bridge) 205 Comment
  RSA77030  Malacothamnus davidsonii F. W. Peirson 1928-9-4 8180 Los Angeles Paicoma Wash at Upper Boulevard, San Fernando Valley Comment
  SD155443  Malacothamnus davidsonii Craig Reiser 2001-8-21 Los Angeles Sylmar, NE of Roxford Road and the 210 Freeway. Comment
  CATA955  Malacothamnus fasciculatus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1820 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  POM199710  Malacothamnus fasciculatus I. W. Clokey, Bonnie C. Templeton 1929-07 4595 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA199200  Malacothamnus fasciculatus Robert F. Thorne, D. Propst 1968-5-28 37646 Los Angeles Santa Catalina Island. Beside Thompson s Reservoir, Middle Ranch. 213 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
  SFV2306  Malacothamnus marrubioides R. L. Armacost 1933-7-4 11 dup. Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  SEINET5763224 Image available Malacothrix californica var. glabrata Marjorie Shaw, Edna Spaulding, Mrs. C. L. Walton 1917-4-6 Los Angeles Mojave Desert, Antelope Valley 2500 Comment
  UCR126657  Malacothrix coulteri A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26112 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCR277149  Malacothrix coulteri R. G. Swinney 2011-4-19 14421 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  SBBG105356  Malacothrix foliosa subsp. foliosa H. L. Ferguson 1979-6-13 6 Los Angeles N end and W side of island 10 Comment
  CAS-BOT-BC347915  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1946-7-21 46229 Los Angeles N. end of Hollywood Reservoir, Los Angeles 228 Comment
  RSA596277  Malacothrix saxatilis var. tenuifolia R. G. Swinney 1989-5-12 s.n. Los Angeles In and near Glendora Wilderness Park. Firebreak on west boundary of the park, east of Colby fire road, 200 yards south of Glendora Mountain Road. 488 Comment
  SBBG66172  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1931-4-3 4480 Los Angeles Pebbly Beach 5 Comment
  CAS-BOT-BC167864  Malosma laurina W. R. Dudley 1907-12-8 s.n. Los Angeles Near Monrovia Comment
  CAS-BOT-BC167869  Malosma laurina Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  CAS-BOT-BC170379  Malosma laurina Timothy S. Ross 1994-7-19 8173 Los Angeles S base of Indian Hill Mesa, Claremont 396 Comment
  RSA386400  Malosma laurina George B. Grant 1901-6-25 4458 Los Angeles Sturdevant's Camp Trail, Sierra Madre Mountains Comment
  RSA652803  Malva parviflora S. Koukol, E. Lutz 1998-4-26 20 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 424 Comment
  SFV2286  Malva parviflora K. A. Wilson 1961-2-21 869 Los Angeles San Fernando Valley Los Angeles, Northridge. San Fernando Valley State College campus. Weedy field and edges of orange grove. 260 Comment
  UCR280660  Malva parviflora R. G. Swinney 2014-5-21 16604 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
  RSA534011  Malva parviflora Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5105 Los Angeles San Clemente Island. 550 ft SSW of the 927 BM at the E end of the old airfield landing strip. 280 Comment
  SD30975  Malva parviflora Edith A. Purer 1931-4-28 1753 Los Angeles Palos Verdes Hills. Comment
  RSA0080767  Manihot grahamii R. G. Swinney 2010-6-11 13248 Los Angeles Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mile north of Foothill Blvd. 184 Comment
  RSA441002  Marah macrocarpa T. S. Clare 1929-3-10 s.n. Los Angeles Topanga Canyon Comment
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Jul 10 2011
  UC1408989  Marah macrocarpa var. macrocarpa Gary Wallace and G. Cromwell 1966-2-19 6 Los Angeles 2 mi n Glendora (up Glendora Mountain Road on a side fire road) Comment
  RSA0089152  Matricaria discoidea R. G. Swinney 2010-3-24 12074 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0113367  Matricaria discoidea LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7515 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  PASA941  Matricaria matricarioides Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  RSA431438  Matthiola incana Anstruther Davidson 1921-5-1 s.n. Los Angeles Acton. Comment
  CAS-BOT-BC422745  Meconella denticulata Le Roy Abrams 1901-4-7 1411 Los Angeles Verdugo Hills Comment
  SEINET8793402  Meconella denticulata G. B. Grant 1904-1 1009 Los Angeles Pasadena. Comment
  UC159170  Medicago polymorpha Geo. B. Grant 1905-5-16 761 -6498 Los Angeles Garvanza Comment
  UCR178059  Medicago polymorpha LeRoy Gross 2003-2-22 735 Los Angeles Transverse Ranges: Verdugo Mountains Region, South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin 287 Comment
  POM2399  Medicago sativa D. L. Crawford 1915-6-30 s.n. Los Angeles Mts above Claremont 1524 Comment
  POM49326  Medicago sativa L. W. Nuttall 1920-5-31 s.n. Los Angeles Golf Links Comment
  CHSC108514  Melaleuca quinquenervia R. E. Riefner Jr. 2007-3-10 07 -110 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro. 3 Comment
  LA89807  Melica imperfecta Elizabeth McClintock; 1945-5-1 Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon, Cold Creek. Comment
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May 8 2014
  RSA151298  Melica imperfecta P. H. Raven 1962-4-9 17170 Los Angeles Near barracks, Wilson Cove, San Clemente Island 61 Comment
  RSA653292  Melica imperfecta Kelly Middleton, David Middleton 1988-5-8 15 Los Angeles Glendora Ridge Road, 6.6 miles west of Mt. Baldy Road intersection 1220 Comment
  RSA656324  Melica imperfecta Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 686 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. 594 Comment
  RSA226?71  Melica imperfecta R. F. Thorne 1971-6-17 39925 Los Angeles 1.3 miles below Bear Divide Station junction, along Little Tujunga Canyon Rd. 671 Comment
  OBI26219  Melilotus albus Mark Schneider 1974-1-3 s.n. Los Angeles 7-Hills Ranch, Avocado orchard, Tujung 549 Comment
  UCR210481  Melilotus albus R. G. Swinney 2008-12-2 9925 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  RSA0127374  Melilotus albus Louis C. Wheeler 1967-7-20 10126 Los Angeles Aliso Canyon. 1067 Comment
  SBBG31479  Melilotus indicus R. F. Thorne 1966-4-4 35764 Los Angeles bluff SE of Ballast Pt and Catalina Harbor, isthmus 60 Comment
  RSA649799  Melilotus indicus Matt Brooks 1988-5-7 30 Los Angeles Whittier, Dark Canyon 0.2 miles east of its confluence with Sycamore Canyon. Comment
  CDA36657  Mentzelia affinis G. D. Barbe, T. C. Fuller 1973-4-9 1197 Los Angeles 4 miles (6.4 km) south of Palmdale, 0.7 mile north of Pearblossom Highway on Sierra Highway, 5.3 miles (8.5 km) west of Four Points (junction Highway 138). 0 Comment
  SBBG69290  Mentzelia albicaulis R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA184055  Mentzelia albicaulis I. L. Wiggins 1966-4-17 20597 Los Angeles Desert about 2miles N of Theodore Payne Wildflower Sanctuary, NE of Pearblossom. Comment
  SEINET7047894  Mentzelia albicaulis Steven R. Hill, Kate Kramer 2001-4-22 33342 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  UCR223494  Mentzelia congesta R. G. Swinney 2009-6-8 11074 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
  RSA0025154  Mentzelia dispersa Jane Tirrell 2012-6-11 LS 0066 Los Angeles North-facing semi-open slope along Pacific Crest Trail approximately 0.3 miles east of Windy Gap. 2450 Comment
  RSA440454  Mentzelia laevicaulis Bonnie C. Templeton 1932-7-21 5052 Los Angeles Prairie Forks, San Gabriel Mts. 1905 Comment
  UC56937  Mentzelia laevicaulis var. laevicaulis E. B. Babcock Nov 1902 Los Angeles near Pomona Comment
  UCR255834  Mentzelia micrantha R. G. Swinney 2010-5-4 12501 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
  RSA446767  Mentzelia micrantha Louis C. Wheeler 1933-5-5 1699 Los Angeles San Gabriel Mountains: Fish Canyon. 305 Comment
  RSA630313  Mentzelia veatchiana Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  RSA765197  Mentzelia veatchiana Justin M. Wood 2010-5-10 1600 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  RSA756881  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-4 2341 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 53 per TRTP survey; 2008) 1220 Comment
  RSA402614  Mesembryanthemum crystallinum F. R. Fosberg 1931-7-12 S- 5387 Los Angeles Bird Rock, Santa Catalina Island. Comment
  CAS-BOT-BC438131  Mesembryanthemum nodiflorum Herman Knoche 1919-7-4 Series A, No. 997 Los Angeles San Clemente Island Comment
  LA51478  Micropus californicus var. californicus Henry J. Thompson; 1959-5-24 2030 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi E of peak. 670 Comment
  UC284752  Microseris elegans P. A. Munz 1923-4-10 6732 Los Angeles slope s Lemon Tank; San Clemente Island 243 Comment
  RSA611852  Microseris heterocarpa Steve Boyd, Valerie Soza 1998-4-28 10160 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon, top of ridge on south side of the canyon. 634 Comment
  RSA0110202  Microseris lindleyi Richard G. Swinney 2011-5-16 14730 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA592817  Microseris lindleyi Steve Boyd 1996-4-25 8669 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
  UCR180368  Microseris lindleyi Scott D. White, Pam Devries 2006-5-10 11423 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  UCR71308  Microseris lindleyi Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4383 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  POM6863  Microsteris gracilis subsp. gracilis P. A. Munz, L. T. Street, G. Williams 1919-3-8 2297 Los Angeles Pomona. Comment
  RSA339631  Mimulus aurantiacus Robert F. Thorne, M. Z. Thorne 1980-3-23 54009 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  RSA0114884  Mimulus aurantiacus var. pubescens R. G. Swinney 2011-4-26 14510 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
  RSA442642  Mimulus aurantiacus var. pubescens F. E. Durkee 1906-6-3 s.n. Los Angeles Hollywood. Comment
  RSA580984  Mimulus aurantiacus var. pubescens Catherine A. Mish 1995-3-4 11 Los Angeles Santa Monica Mountains, Hollywood Reservoir. 250 Comment
  UC943828  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-6 1888 C Los Angeles hills a few mi w Pomona (on Highway 99 at summit of grade on high cut s side of road) Comment
  UC943857  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-10 1914 B Los Angeles e Whittier (near summit of grade); Turnbull Canyon Comment
  LA82049  Mimulus brevipes O. H. Kappler; 1941-5-9 263 Los Angeles Santa Monica Mountains, Las Flores Canyon, near summit 609 Comment
  UCSB30847  Mimulus brevipes Coz, Susan 1977-6-4 Los Angeles 100 yds E of malibu Cyn Rd; 5 mi N on Malibu Cyn Rd; from Hwy 1 across from Tapia Park 182 Comment
  RSA713804  Mimulus cardinalis Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1362 Los Angeles Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  UCR259654  Mimulus cardinalis R. G. Swinney 2010-9-1 13669 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  RSA420682  Mimulus cardinalis V. V. Giles 1936-7-5 40 Los Angeles Road 4 miles below Crystal Lake. Comment
  RSA799904  Mimulus floribundus Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 7 Los Angeles Glendora Ridge Road. 1313 Comment
  UCR193603  Mimulus floribundus R. G. Swinney 1999-6-28 7449 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  UCR220204  Mimulus floribundus R. G. Swinney 2009-4-3 10277 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  UCR276972  Mimulus floribundus R. G. Swinney 2010-6-1 13136 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
  RSA80076  Mimulus floribundus F. W. Peirson 1921-6-19 2456 Los Angeles Crystal Lake, North Fork San Gabriel River 1677 Comment
  RSA420996  Mimulus fremontii John S. Garth 1948-4-21 C- 2679 Los Angeles Littlerock 762 Comment
  RSA550412  Mimulus guttatus Tim S. Ross 1992-7-10 6674 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  LA209381  Mimulus guttatus W. R. Ernst; May 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  POM42  Mimulus guttatus L. R. Abrams 1901-4-8 1442 Los Angeles Arroyo river near PasadenaArrowhead Hotsprings and immediate vicinity, Coldwater Canyon and Strawberry Creek ca. 1/2 mile E of the old Arrowhead Hot Springs Hotel. Comment
  RSA442768  Mimulus guttatus L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA527610  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4437 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC1409079  Mimulus johnstonii R. F. Thorne, C. W. Tilforth, J. Dourley, and R. Scogin 1972-8-11 42199 Los Angeles near Three Points (along Angeles Crest Hwy.); San Gabriel Mts., Angeles National Forest 1828 Comment
  RSA0091357  Mimulus pilosus R. G. Swinney 2011-10-10 15723 Los Angeles 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 1537 Comment
  UCR140959  Mimulus pilosus June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, South Fork, Big Rock Creek 1402 Comment
  POM19082  Mimulus rubellus P. A. Munz 1923-5-26 6843 Los Angeles head of Vincent Gulch. 2012 Comment
  UCR189848  Mimulus rubellus R. G. Swinney 1998-7-21 6469 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  RSA727731  Minuartia douglasii R. G. Swinney 1998-5-16 6090 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  UC284261  Minuartia douglasii P. A. Munz 1923-5-26 6825 Los Angeles Big Rock Creek San Gabriel Mts. 1371 Comment
  SBBG31463  Mirabilis californica R. F. Thorne 1966-4-4 Los Angeles bluff SE of Ballast Pt and Catalina Harbor, isthmus 60 Comment
  RSA587329  Mirabilis laevis var. villosa Orlando Mistretta 1992-5-4 228 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  RSA587245  Mirabilis laevis var. villosa Orlando Mistretta 1994-5-11 1187 Los Angeles Little Rock Creek. E slopes of canyon W of Basin Campground. 1037 Comment
  SBBG69855  Mirabilis multiflora R. Hoffmann 1927-6-14 Los Angeles Neenach Comment
  UC1349051  Monanthochloe littoralis Robert F. Thorne and P. Everett 1965-5-11 34535 Los Angeles inside Ballast Point on e side of Catalina Harbor, Santa Catalina Island Ballast Point; Santa Catalina Island, Catalina Harbor, Ballast Point Comment
  RSA641507  Monardella australis subsp. cinerea Wheeler 1967-9-2 10608 Los Angeles San Gabriel Mr., Angeles National Forest: N side Twin Peaks, S 2073 Comment
  SBBG13654  Monardella breweri E. R. Blakley 1958-5-10 2280 Los Angeles Hwy 138, 14 mi E of Quail Lake, Antelope Valley 914 Comment
  RSA583153  Monardella breweri subsp. breweri C. Epling 1937-5-9 s.n. Los Angeles Neenach, Antelope Valley. Comment
  RSA408595  Monardella lanceolata Gus Gluechert 1937-6-27 s.n. Los Angeles Mint Canyon. 470 Comment
  RSA608036  Monardella lanceolata Louis C. Wheeler 1947-7-11 6545 Los Angeles San Gabriel Mountains: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco. 442 Comment
  RSA408587  Monardella lanceolata G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  CAS-BOT-BC275277  Muhlenbergia microsperma Le Roy Abrams 1903-3-11 3111 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  RSA403577  Muhlenbergia microsperma Albert J. Perkins 1920-2-11 s.n. Los Angeles Glendora. Little Dalton Trail. Comment
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Jun 12 2014
  SBBG113062  Muhlenbergia microsperma S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 600 Los Angeles Whitley's Pk, overlooking upper part of Swain's (Swain) Cyn 374 Comment
  SBBG128564  Muhlenbergia microsperma M. L. Hoefs, R. Given 1992-4-16 1803 Los Angeles Wild Boar Gully 152 Comment
  CAS-BOT-BC275085  Muhlenbergia richardsonis I. M. Johnston 1917-8-21 1628 Los Angeles San Antonio Mountains. Upper San Antonio Canon 2209 Comment
  RSA776560  Muhlenbergia rigens Orlando Mistretta, Christine Mistretta 2010-6-15 5308 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  RSA377611  Muilla maritima Elbert Benjamine 1929-5-26 190 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  SBBG1046  Muilla maritima H. and M. Dearing 1940-4-29 4246 Los Angeles Mint Cyn Comment
  RSA0010799  Myoporum laetum Tim S. Ross, Angelika Brinkmann-Busi 1992-3-28 6058 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; lower Altamira Canyon (first small canyon NW of Portuguese Point). 15 Comment
  UC1537545  Nama demissa Gordon H. True Jr. 1935-3-17 118 Los Angeles Lovejoy Butte 853 Comment
  RSA421136  Nama demissa var. deserti N. C. Cooper 1949-4-19 3605 Los Angeles Mojave Desert, Lancaster. 762 Comment
  UC285002  Nassella cernua P. A. Munz 1923-5-25 6794 Los Angeles e Saugus (open slopes at summit of grade); Mint Canyon Comment
  UCD88076  Nassella cernua R. Tofsrud 1950-5-1 s.n. Los Angeles 1 mile S of Fairmont, Hwy. 138. Comment
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Jun 25 2014
  RSA484105  Nassella lepida Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  SBBG98546  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5340 Los Angeles between Box and Horse Cyns 484 Comment
  CATA1689  Nasturtium officinale Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2984 Los Angeles Santa Catalina Island: Middle Ranch Reservoir 188 Comment
  SBBG98198  Navarretia hamata C. B. Wolf 1932-5-11 3547 Los Angeles W side of Isthmus Harbor 15 Comment
  RSA468365  Navarretia prostrata Edwin Kline 1896-1 s.n. Los Angeles Los Angeles Comment
  UC737255  Navarretia prostrata Frank W. Gould 1944-4-15 2291 Los Angeles vicinity Manhattan Beach (near junction of Sepulveda Blvd and W. Railroad) Comment
  RSA611849  Nemacladus ramosissimus Steve Boyd, Valerie Soza 1998-4-28 10163 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon, top of ridge on south side of the canyon. 634 Comment
  RSA252868  Nemacladus sigmoideus R. F. Thorne 1973-5-11 43511 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA587205  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 1995-5-2 1660 Los Angeles San Gabriel Mountains, Carr Canyon. 1036 Comment
  RSA597744  Nemacladus sigmoideus T. S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3747 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  UCR189255  Nemophila menziesii R. G. Swinney 1998-5-16 6091 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  UCR193674  Nemophila menziesii R. G. Swinney, Dave Larson 1999-6-25 7414 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR205094  Nemophila menziesii R. G. Swinney 2008-4-11 8650 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA459289  Nemophila menziesii var. integrifolia L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA240754  Nemophila menziesii var. menziesii Robert F. Thorne 1973-4-20 43016 Los Angeles San Gabriel Mountains. 1143 Comment
  UC1595357  Nerium oleander Tim Ross 1992-5-17 6347 Los Angeles 25 degrees nne and 885 m distant from East Fork Station (just ne of Heaton Flat, E Fork San Gabriel River, San Gabriel Mts.); San Gabriel Mts., E Fork San Gabriel River 694 Comment
  UC64486  Nicotiana attenuata H. M. Hall Jun 1899 Los Angeles Swartout Canyon; San Antonio Mountains 1828 Comment
  RSA597197  Nicotiana attenuata Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3726 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA264652  Notholaena californica L. C. Wheeler 1932-7-9 955 Los Angeles 3/4 mi. from mouth of Rogers Canyon, San Gabriel Mountains 305 Comment
  SBBG14833  Notholaena californica L. L. Kiefer 1963-12-30 346 Los Angeles entrance to cyn, just E of cmpgrd, Placerita Cyn St Park 304 Comment
  POM187473  Notholaena californica subsp. californica L. C. Wheeler 1933-5-5 1709 Los Angeles 1/2 mi. below falls, Fish Canyon, San Gabriel Mts. 351 Comment
  UCR261559  Nothoscordum inodorum Hsu-Han Lee 2015-4-11 s.n. Los Angeles Puente Hills, Rowland Heights, on Adney Street 150 Comment
  RSA0069829  Nuttallanthus texanus R. G. Swinney 2010-3-22 11998 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  JEPS44060  Oenothera californica W. L. Jepson 1939-4-21 19225 Los Angeles Saugus 356 Comment
  UCR191715  Oenothera californica A. C. Sanders 2008-4-18 34955 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth, beside dirt road 974 Comment
  RSA717348  Oenothera californica subsp. californica Scott D. White, Pam DeVries 2006-5-9 11396 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR215154  Oenothera elata Kimberly Doughty, Darran Doughty 2008-5-24 37 Los Angeles Baldwin Hills, Los Angeles, Kenneth Hahn Park 88 Comment
  POM32312  Oenothera elata subsp. hirsutissima C. F. Baker 1903-9-20 3685 Los Angeles San Antonio Canyon near Claremont. Comment
  POM355619  Oenothera elata subsp. hirsutissima P. A. Munz 1930-7-3 S- 3100 Los Angeles San Gabriel River, El Monte. Comment
  RSA748993  Oenothera rosea A. C. Sanders, T. B. Salvato 2009-5-21 36906 Los Angeles Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines. 64 Comment
  UCR262473  Oenothera rosea Esther Chuang 2013-5-19 52 Los Angeles Walnut, 21840 Arbor Court 216 Comment
  RSA799969  Opuntia basilaris var. treleasei Pam De Vries 2013-5-26 7818 Los Angeles Tehachapi Mountains/Western Transverse Range (Groman Hills): About 3.5 air mi SE of the town of Gorman, 0.75 air mi NNE of the Quail Lake Road off ramp on the I5. Hills east of Gorman Creek, west of Gorman Post Road. 1090 Comment
  RSA719122  Opuntia littoralis Naomi Fraga 2001-5-27 56 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  UC306247 Image available Opuntia oricola Davidson May 1916 Los Angeles Hollywood Comment
  RSA458966  Oreonana vestita F. R. Fosberg 1931-8-12 792 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA82088  Orobanche bulbosa Raymond J. Dobbs 1927-6-29 7681 Los Angeles trail to Strawberry Peak, from Switzer's, San Gabriel Mtns. 1372 Comment
  RSA603788  Orobanche fasciculata Louis C. Wheeler 1948-6-13 6639 Los Angeles San Gabriel Mountains: North side Big Tujunga, opposite Coldwater Canyon. 1006 Comment
  CAS-BOT-BC355755  Osmadenia tenella Grant 1904-5-26 6269 Los Angeles Pasadena Comment
  RSA0020288  Osmorhiza brachypoda Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5102 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UC1400351  Osmorhiza brachypoda Donald R. Bissing 1973-2-22 6 Los Angeles Evey Canyon San Gabriel Mountains (1.0 mi from canyon mouth, on ne face of canyon wall) 853 Comment
  UC457330  Oxalis albicans subsp. californica Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mtns Comment
  CATA3093  Oxalis corniculata Amy Catalano 2016-5-5 096 Los Angeles Santa Catalina Island: Growing in gravel and planters surrounding herbarium 99 Comment
  RSA529188  Oxytheca parishii var. parishii Tim S. Ross, Steve Boyd 1991-7-24 5647 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1915 Comment
  UC205916  Oxytheca parishii var. parishii I. M. Johnston 1917-6-20 1487 Los Angeles Baldy U.S.F.S. Lookout San Antonio Mountains 1981 Comment
  UCR276888  Oxytheca trilobata R. G. Swinney 2011-5-16 14748 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  UCR223565  Packera ionophylla R. G. Swinney 2009-6-2 10990 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCSB11513  Paeonia californica Haines, Bruce 1962-3-11 Los Angeles 5 miles North of the Pacific Ocean on California highway 27, Topanga 274 Comment
  UCSB49819  Paeonia californica Reisentz, Paul 1975-3-16 Los Angeles 2 miles east on Stunt Rd. from Mulholland Hwy., Santa Monica Mtns. 365 Comment
  PASA314  Palmerella debilis var. serrata Annetta Carter 1929-7-28 Los Angeles Near stream big Santa Anita canyon, above dam Comment
  RSA628026  Panicum acuminatum var. acuminatum L. C. Wheeler 1964-11-6 8643 Los Angeles North fork San Gabriel River: Yucca Flat, near falling spring between Coldbrook and Crystal Lake. . Comment
  CATA3323  Papaver californicum Amy Catalano 2017-4-3 040 Los Angeles Santa Catalina Island: South side of West End Rd., about 0.25 miles southeast of entrance to Cherry Valley towards Fourth of July Cove 2 Comment
  POM8493  Papaver californicum P. A. Munz, R. D. Harwood 1920-4-21 3714 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  CAS-BOT-BC422861  Papaver somniferum Gerry V. Patten 1964-5-26 s.n. Los Angeles Volunteer, residential garden, 1768 Walworth Avenue, Pasadena Comment
  SBBG20508  Parietaria hespera var. californica E. R. Blakley 1963-12-8 6391 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity Comment
  UCR197135  Parkinsonia aculeata LeRoy Gross 2007-4-27 2660 Los Angeles Transverse Range; Verdugo Mountains, southern front of the range, debris basin behind Bel Aire ball park, corner of Cambridge drive and Bel Aire Drive in Burbank 273 Comment
  RSA482384  Paspalum dilatatum Richard Noyes 1988-8-24 636 Los Angeles Claremont. Intersection of Mills Ave. and Baseline Ave. Comment
  LA8367  Paspalum distichum J. A. Ewan; 1932-6-28 7514 Los Angeles 99 Comment
  RSA760565  Pectocarya linearis R. G. Swinney 2009-2-20 10017 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR47490  Pectocarya linearis var. ferocula F. R. Fosberg 1932-5-7 10644 Los Angeles Channel Islands, Santa Catalina Island, summit of Coach Road Comment
  CHSC95508  Pectocarya penicillata LeRoy Gross; Valerie Soza 2003-5-15 915 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone; 3789207N, 0377280E. 366 Comment
  RSA0036305  Pectocarya penicillata LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6970 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  UCR126859  Pectocarya recurvata A. C. Sanders 2003-4-29 26180 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCR223078  Pectocarya setosa R. G. Swinney 2009-5-13 10779 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  RSA592605  Pellaea andromedifolia Mark Hoefs 1973-3-17 128 Los Angeles Santa Catalina Island: hanging from slope near Ben Weston Beach Road. 60 Comment
  UCR270484  Pellaea andromedifolia R. G. Swinney 2011-3-22 14193 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  SBBG94698  Pellaea andromedifolia J. Vanderwier 1983-5-10 Los Angeles NE of airport, SW of the bend in Beach Rd Comment
  RSA599822  Pellaea mucronata var. mucronata Steve Boyd, Lauren Raz 1997-3-31 9399 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  OBI26232  Penstemon centranthifolius Mark E. Schneider 1973-5-3 27 Los Angeles 1/4 mi W of topanga cyn blvd, Santa Monica Mts 396 Comment
  POM50423  Penstemon centranthifolius L. R. Abrams 1901-4-5 1340 Los Angeles Chatsworth Park Comment
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Mar 6 2011
  RSA412441  Penstemon centranthifolius Bonnie C. Templeton, I. W. Clokey 1930-4-18 1064 Los Angeles San Francisquito Canyon, San Gabriel Mts. 274 Comment
  RSA79779  Penstemon centranthifolius F. W. Peirson 1905-1 200 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  RSA650195  Penstemon centranthifolius Lori Ackerman, Gerald Braden 1988-4-22 22 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  RSA0096804  Penstemon grinnellii R. G. Swinney 2011-10-10 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 1537 Comment
  SD247508  Penstemon grinnellii R. G. Swinney 2010-10-8 14008 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mountain Hawkins on Hawkins Ridge (Crystal Lake 7.5'Q) 2421 Comment
  RSA97010  Penstemon grinnellii subsp. grinnellii R. M. Straw 1954-6-7 599 Los Angeles Crystal Lake, upper San Gabriel River canyon, San gabriel Mountains. 1524 Comment
  RSA172239  Penstemon grinnellii var. scrophularioides Robert F. Thorne 1963-7-11 32788 Los Angeles Near junction of road to Upper Shake Campground and Lake Hughes-Gorman road, Angeles National Forest. Comment
  UCR277034  Penstemon heterophyllus R. G. Swinney 2010-5-25 12918 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA408101  Penstemon heterophyllus var. australis Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  RSA0006158  Penstemon heterophyllus var. australis C. F. Baker 1904-6-14 4778 Los Angeles Hills near Claremont Comment
  UC887101  Penstemon labrosus Victor Duran 1933-7-19 Los Angeles Buckhorn San Gabriel Mts., Buckhorn 1981 Comment
  HSC21047  Penstemon palmeri C. S. Apperson 1967-6-3 Los Angeles 6 mi. E of Hwy. 99 on Ave. D Comment
  POM175367  Penstemon rostriflorus Helen E. Sweet, West, E. Crow 1930-7-12 s.n. Los Angeles Ridge between Mt. Islip and north Baldy Peak, San Gabriel Mountains. Comment
  UCR141588  Penstemon rostriflorus June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2409 Comment
  RSA642040  Penstemon speciosus Orlando Mistretta 1993-6-28 908 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  POM305924  Penstemon spectabilis Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1224 Los Angeles Altadena, North Craig Ave. Comment
  UCSB32473  Penstemon spectabilis Coz, Susan 1977-6-4 Los Angeles Across from Tapia Park, 5 mi. north of Malibu Canyon Road from Hwy. 1, on East side of road 182 Comment
  RSA607094  Penstemon spectabilis subsp. subviscosus Louis C. Wheeler 1932-7-2 905 Los Angeles Brown's Flat 1311 Comment
  JEPS11596  Penstemon spectabilis var. subviscosus F. W. Peirson 1918-6-30 206 Los Angeles Mt. Wilson Toll Road San Gabriel Mts, Mt. Wilson 1295 Comment
  LA94195  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1691 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 1 mi W of Triunfo Canyon Rd. 304 Comment
  LA94208  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-26 1786 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Decker School Road. 304 Comment
  RSA687402  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1928-4-21 1882 Los Angeles Santa Catalina Island: wooded hillside, Renton Mine 304 Comment
  SFV1552  Peritoma arborea C. Gasser 1956-3-9 s. n. Los Angeles Santa Monica Mountains Calabasas, 2 miles from Highway 101 on Topanga Canyon Road on side of road. 210 Comment
  LA200344  Peritoma arborea Jonathan Sauer; L. Birindelli, D. Birindelli 1968-5-6 4349 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  CAS-BOT-BC73757  Peritoma arborea var. arborea E. M. Zeile 1924-6-20 s.n. Los Angeles Catalina Island, bank above road. Comment
  OBI10855  Persicaria lapathifolia H. E. McMinn 1924-7-23 1357 Los Angeles Along San Gabriel River near Whittier Comment
  UC880991  Phacelia brachyloba I. W. Clokey and B. C. Templeton 1930-5-13 4756 Los Angeles near stream Boquet Canyon 450 Comment
  UC1400395  Phacelia cicutaria var. hispida Robin S. Collins 1973-5-15 275 Los Angeles Trail Cyn. Angeles National Forest, San Gabriel Mts. 609 Comment
  RSA596371  Phacelia cicutaria var. hispida R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon and its tributaries. Poop-out Hill firebreak. 488 Comment
  RSA682647  Phacelia cicutaria var. hispida LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber. 2003-6-17 1031 Los Angeles South side of mountains:Along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. 262 Comment
  RSA426186A  Phacelia distans F. R. Fosberg 1931-4-13 4598 Los Angeles Pebble [Pebbly] Beach, Santa Catalina Island. Comment
  UC1426009  Phacelia distans Donald R. Bissing 1973-6-2 126 Los Angeles along roadside 0.3 mi from canyon mouth; San Gabriel Mountains, Evey Canyon 719 Comment
  UCR101708  Phacelia distans B. G. Pitzer 1998-5-23 3753 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR273593  Phacelia distans R. G. Swinney 2011-6-22 15233 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
  RSA586447  Phacelia fremontii Orlando Mistretta 1995-2-28 1518 Los Angeles Carr Canyon 1012 Comment
  RSA783256  Phacelia fremontii J. D. Olmsted 1959-4-25 473 Los Angeles 1 mile NNE of Valyermo P.O. along Holcomb Ridge east of the road from Wrightwood to Pearblossom 1128 Comment
  RSA131022  Phacelia grandiflora Percy C. Everett, E. K. Balls 1959-6-2 23854 Los Angeles 0.5 miles N of Jct of Mulholland Drive and Road to Backus, Santa Monica Mountains. 610 Comment
  CAS-BOT-BC6871  Phacelia hispida var. eximia Fordyce Grinnell 1903-12-31 109 Los Angeles Santa Anita Canyon, Mt. Wilson Trail Comment
  RSA654348  Phacelia hubbyi Valerie L. Soza, LeRoy Gross 2000-5-25 963 -a Los Angeles South Side; North of fire road between Ebey and Doane canyons, south of Goldenrod Spring, above Sunland. 549 Comment
  RSA605396  Phacelia imbricata Scott D. White, Chet McGaugh 1995-6-6 3227 Los Angeles E edge of Santa Susana Mountains, just W of San Gabriel Mountains: Sunshine Canyon. W of San Fernando Road & I-5 Freeway, just SW of interchange w/ SR 14 Freeway. 457 Comment
  SD234892  Phacelia imbricata R. G. Swinney 1998-5-10 6051 Los Angeles San Gabriel Mountains: Glendora, c. 1 mile north of Sierra Madre Ave. on Garcia Trail. 523 Comment
  POM3793  Phacelia imbricata subsp. bernardina P. A. Munz 1918-5-16 2256 Los Angeles Claremont. Comment
  RSA74918  Phacelia imbricata subsp. imbricata F. W. Peirson 1921-5-18 2827 Los Angeles summit of Newhall Grade, northwest end of San Gabriel Range. 427 Comment
  RSA755590  Phacelia imbricata subsp. patula R. G. Swinney 2008-7-15 9227 Los Angeles Winston Peak. 2275 Comment
  CATA1217  Phacelia lyonii Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2275 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  RSA188123  Phacelia lyonii Robert F. Thorne, P. Everett 1965-6-22 34886 Los Angeles Santa Catalina Island. Road to East Mountain, S end of island. 457 Comment
  POM8027  Phacelia minor M. E. Churchill 1920-3-1 3333 Los Angeles Claremont, Field N of high school Comment
  RSA533414  Phacelia minor Tim S. Ross 1991-4-21 4523 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  RSA650541  Phacelia minor Frank W. Hedges 1948-4-23 s.n. Los Angeles Collected 9 mi. NE of Azusa 366 Comment
  SEINET9120542  Phacelia minor E. Adams 1978-1 S.N. Los Angeles Altadena, Eaton Canyon, chaparral community. Comment
  RSA0094630  Phacelia mohavensis Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-2 8515 Los Angeles Western slopes of Mount Baden-Powell; north slope of Mount Hawkins, in the vicinity of Lily Spring. 2401 Comment
  RSA428148  Phacelia parryi Christopher Davidson 1973-4-6 1858 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  UCR193643  Phacelia ramosissima A. C. Sanders 2008-7-10 35729 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  LA81949  Phacelia ramosissima var. austrolitoralis O. H. Kappler; 1943-4-18 369 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  UC1348977  Phacelia ramosissima var. latifolia Robert F. Thorne, M. Z. Thorne 1967-7-19 37126 Los Angeles 1/2 mi above Coldbrook Station; San Gabriel Mts., Angeles National Forest 1097 Comment
  UCR276783  Phacelia tanacetifolia R. G. Swinney 2011-4-1 14306 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR90063  Phacelia tanacetifolia P. F. Horner 1973-3-30 60 Los Angeles Along Road near entrance to Phacelia Sanctuary near Edwards AFB 883 Comment
  RSA428210  Phacelia tanacetifolia M. V. Hood 1939-5-13 s.n. Los Angeles Big Oak above Bouquet Canyon. 1098 Comment
  SD38339  Phacelia viscida Edith Purer 1935-5-11 6581 Los Angeles Near Seminole Hot Springs, Hillside Comment
  SBBG128363  Phalaris aquatica M. L. Hoefs 1991-5-28 1296 Los Angeles Black Jack Cmpgrd 490 Comment
  RSA630771  Phalaris lemmonii Steven A. Junak 1997-4-22 SCI- 849 Los Angeles San Clemente Island. E side of island, along N side of Horton Canyon Road, 0.6 miles E of San Clemente Island Ridge Road 466 Comment
  UC777916  Phalaris minor Frank W. Gould 1944-4-15 2292 Los Angeles near corner of Crenshaw and Rosecrans Comment
  UCR191709  Phlox gracilis A. C. Sanders 2008-4-11 34863 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  UCR205931  Phlox gracilis R. G. Swinney 2008-5-5 8771 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
  POM3467  Pholistoma auritum George B. Grant 1902-04 832 Los Angeles Garvanza. Comment
  SBBG108976  Pholistoma auritum S. A. Junak 1997-3-13 SCl 772 Los Angeles E fork of first cyn E of Mosquito Cyn 320 Comment
  JEPS96577  Pholistoma auritum var. auritum Dean W. Taylor 1992-5-1 12490 Los Angeles 1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2) 1219 Comment
  LA40158  Pholistoma auritum var. auritum Tamar; 1961-4-20 6403 Los Angeles Old Topanga Road, 1 mi. from Topanga Canyon 274 Comment
  SBBG125863  Pholistoma membranaceum A. Parikh, N. Gale 2010-6-2 3255 Los Angeles Sierra Pelona 3.7 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1140 Comment
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Mar 31 2014
  SEINET1918177 Image available Pholistoma racemosum Reid Moran 1941-3-1 663 Los Angeles Arrow Point, Santa Catalina Island. 200 Comment
  RSA420801  Phoradendron macrophyllum Louis C. Wheeler 1932-1-10 437 Los Angeles Puddingstone Dam. 305 Comment
  UCR143551  Phoradendron macrophyllum George H. Grinnell 1923-6-5 s.n. Los Angeles San Gabriel Mtns., near Camp Baldy 1372 Comment
  CAS-BOT-BC141146  Phoradendron serotinum subsp. macrophyllum Del Wiens 1958-12-10 2427 Los Angeles Cobal Canyon, N of Claremont 426 Comment
  CAS-BOT-BC141301  Phoradendron serotinum subsp. tomentosum Geo. B. Grant 1900-4-1 s.n. Los Angeles Mt. Lowe Comment
  RSA587527  Phoradendron villosum Orlando Mistretta, Steve D. Boyd, D. L. Banks 1994-4-29 1101 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  SDSU8072  Phoradendron villosum A. H. Gallup 1947-10-27 67 Los Angeles North of second grade north of Castaic on blue oak. 823 Comment
  RSA683943  Phyllospadix scouleri E. Yale Dawson 1957-6-30 17193 Los Angeles Lunada Bay, Los Angelas County. Station # 25. Comment
  UC1587171  Phyllospadix torreyi Tim Ross 1991-5-22 5438 Los Angeles w side of island about 5300 ft n Eel Point; San Clemente Island, Spray [Point] 0 Comment
  RSA636109  Phyllospadix torreyi Robert F. Thorne 1974-9-13 45093 Los Angeles Santa Catalina Island: Inner shore of Catalina Harbor. Comment
  RSA683974  Phyllospadix torreyi E. Yale Dawson 1956-11-30 15536 Los Angeles Rocky beach E of Flat Rock Point, Station no 7, 180-200 ft from shore base point Comment
  RSA684038  Phyllospadix torreyi E. Yale Dawson 1958-5-22 19146 Los Angeles Latigo shore Road, Malibu beach Comment
  UC340  Phyllospadix torreyi De Alton Saunders September 1896 2219 Los Angeles San Pedro Comment
  SDSU11212  Physalis philadelphica F. Youngberg Los Angeles Orange orchard near Claremont. Comment
  RSA472028  Picris echioides L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco Canyon Comment
  UCR210457  Picris echioides R. G. Swinney 2008-11-29 9855 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA472031  Picris echioides N. C. Cooper 1947-9-1 2092 Los Angeles Santa Fe Srpings. Comment
  CAS-BOT-BC73403  Pinus Geo. B. Grant 1906-4-2 6606 Los Angeles Pasadena, Altadena Comment
  UCR181214  Pinus coulteri R. G. Swinney 1997-4-25 5514 Los Angeles San Gabriel Mtns., ridge c. 0.5 mi. south of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2241 Comment
  UCR280727  Pinus coulteri R. G. Swinney 2011-6-7 15106 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
  CATA1927  Pinus halepensis Amy Catalano, Anne Kelly 2014-10-14 018 Los Angeles Santa Catalina Island: One-quarter mile west of Cape Canyon reservoir, along Cape Canyon Road 303 Comment
  RSA755335  Pinus halepensis Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 305 Comment
  RSA169040  Pinus jeffreyi Mark Parratt 1964-2-6 602 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  SFV18302  Pinus jeffreyi J. N. Hogue 2002-7-21 179 1 Los Angeles San Gabriel Mountains Angeles National Forest, Camp Eaton (= Camp Cumorah Crest), 3 km NE of Newcomb Ranch. 1860 Comment
  SD255603  Pinus lambertiana R. G. Swinney 2010-10-8 14007 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge (Crystal Lake 7.5'Q) 2421 Comment
  RSA384361  Pinus monophylla B. C. Templeton 1932-8-26 5090 Los Angeles Big Rock Canyon 2012 Comment
  RSA597392  Pinus monophylla T. S. Ross, Steve Boyd 1990-6-18 3510 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages; 1744 Comment
  SEINET3875110 Image available Pinus sabiniana Timothy S. Ross 1995-4-26 8390 Los Angeles Upper end of LIEBRE GULCH along Forest Service Road 8N05. USGS 7.5' Liebre Mountain Quadrangle.; 0 1122 Comment
  CATA298  Piperia cooperi Mark L. Hoefs 1973-6-5 317 Los Angeles Santa Catalina Island: By upper White's Landing Road 426 Comment
  RSA577896  Piperia cooperi Louis C. Wheeler 1933-5-5 1694 Los Angeles San Gabriel Mountains, Fish Canyon. 290 Comment
  RSA730069  Piptatherum miliaceum R. G. Swinney, D. W. Larson 1999-5-29 7230 Los Angeles San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork 600 m north of confluence with East Fork Comment
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Dec 17 2012
  UCR201413  Pistacia vera Justin M. Wood 2008-11-21 253 Los Angeles San Gabriel Mountains, Beartrap Canyon at confluence with Aliso Canyon 1026 Comment
  RSA562423  Plagiobothrys acanthocarpus D. E. Bramlet 1993-4-15 2317 Los Angeles In the Puente Hills, approx. 274 m. NW of Pomona peak. The site is located some 1220m W of the intersection of the Pomona freeway and Chino Hills Parkway. 381 Comment
  UCR261850  Plagiobothrys acanthocarpus Tim Thomas 1990-3-29 1356 Los Angeles Transverse Range, Southern Simi Hills, Chesebro Canyon parking lot 305 Comment
  UCR263065  Plagiobothrys arizonicus Mitch Provance 2008-4-14 10137 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
  RSA590523  Plagiobothrys arizonicus Orlando Mistretta 1994-3-30 971 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  LA103428  Plagiobothrys canescens Barry A. Prigge; 1986-3-20 6954 Los Angeles Santa Monica Mountains, Medea Creek, just N of Paramount Ranch State Park 231 Comment
  UC205903  Plagiobothrys collinus L. A. Greata 1901-4-9 Los Angeles Avalon Santa Catalina Island Comment
  RSA535279  Plagiobothrys collinus var. gracilis Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5315 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons 486 Comment
  SBBG98550  Plagiobothrys collinus var. gracilis T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5315 Los Angeles between Box and Horse Cyns 486 Comment
  UC881338  Plagiobothrys leptocladus Alice Eastwood and John Thomas Howell 1937-4-26 3980 Los Angeles bottom Rosamond Lake; Rosamond Lake bottom Comment
  RSA401968A  Plantago erecta F. R. Fosberg 1931-5-14 S- 4862 Los Angeles Above Ranch, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  RSA401981C  Plantago erecta Louis C. Wheeler 1934-3-10 2426 Los Angeles San Gabriel Mountains, near mouth of San Dimas Canyon. 442 Comment
  SBBG31247  Plantago erecta R. F. Thorne 1966-4-6 35906 Los Angeles N of Catalina Airport 435 Comment
  RSA401977B  Plantago erecta Ora M. Clark 1929-3-29 1818 Los Angeles East Sandberg. Comment
  CDA20321  Plantago major M. O'Brien 2004-10-12 s.n. Los Angeles Solstice Canyon. 0 Comment
  RSA599897  Plantago major Louis C. Wheeler 1933-10-20 2180 Los Angeles San Gabriel River. 70 Comment
  SD66882  Plantago ovata R. Mitchel Beauchamp 1967-3-19 329 Los Angeles San Clemente Island, justbehind the beach at West Cove. Comment
  RSA747445  Platanthera Richard G. Swinney 2001-9-15 8142 Los Angeles Lily Spring, N slope of Mt. Hawkins , 7.5 air miles W SW of Wrightwood, 2561 Comment
  RSA720611  Platanthera sparsiflora Richard G. Swinney 1997-7-22 5710 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area 2073 Comment
  RSA286663  Platanthera sparsiflora Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44762 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big Rock Creek 2439 Comment
  HSC95402  Platanus racemosa A. C. Sanders, Mark A. Elvin 2002-6-18 25140 Los Angeles Newhall Ranch, 'Sawtooth Ridge' area ca. 1.5 mi. SE of Del Valle, N of Potrero Canyon, vicinity of bench mark 1533 366 Comment
  LA29314  Platanus racemosa Mary V. Hood; 1942-12-16 42 96 k Los Angeles 128 Comment
  UCR186476  Platanus racemosa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2086 Los Angeles Tehachapi Mountains Foothills, lower Big Sycamore Canyon 1000 Comment
  CAS-BOT-BC91669  Platystemon californicus Timothy S. Ross; Steve Boyd 1994-5-11 7802 Los Angeles Liebre Mountains. Sawmill Mountain. West summit area ca. 260-350 m SE of Sawmill Campground. 1621 Comment
  RSA670712  Platystemon californicus Bonnie C. Templeton 1947-5-21 6282 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  UCR222659  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09- 118 Los Angeles South Coast, city of Malibu, vicinity of La Piedra State Beach 7 Comment
  SBBG31060  Pluchea odorata var. odorata R. F. Thorne 1966-9-15 36677 Los Angeles above Parson's Landing, NW end of island 45 Comment
  UCR209417  Poa annua R. G. Swinney 2008-12-2 9921 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
  POM292715  Poa secunda Lyman Benson 1949-4-29 13601 Los Angeles Hill 3 miles SW of Pomona 305 Comment
  RSA0093463  Poa secunda Richard G. Swinney 2011-6-7 15062 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
  RSA587753  Poa secunda Timothy S. Ross 1991-4-27 4622 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  CHSC95918  Poa secunda subsp. secunda LeRoy Gross 2005-4-28 2156 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. T4NR12W S1 NE1/4, T4NR11W S6 NW1/4. General collecting started from a slight decline bench south of the ridgeline. 1324 Comment
  LA99243  Poa secunda subsp. secunda R. L. Armacost; 1959-5-27 1151 Los Angeles SANTA MONICA MOUNTAINS, Near Riviera Country Club. Comment
  OBI25691  Poa secunda subsp. secunda David J. Keil, Dirk Walters 1977-4-30 12294 Los Angeles On S side of Calif Rte 138 in vicinity of jctn with Los Angeles co Rd N-2 across hwy from Quail Reservoir Comment
  UCD91660  Poa secunda subsp. secunda Peter Kamb 1948-5-6 944 Los Angeles Lower Sonora Zone. Desert foothills of the San Gabriel Mountains, above Little Rock. 975 Comment
  RSA595616  Polycarpon tetraphyllum L. C. Wheeler 1970-8-2 s.n. Los Angeles San Gabriel Mountains. Henninger Flats. 792 Comment
  RSA4817  Polygonum argyrocoleon James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach. Station #1, Plant #1 Comment
  UCR210536  Polygonum aviculare R. G. Swinney 2008-12-4 9941 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA608025  Polygonum aviculare subsp. depressum Louis C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. and San Diego Fwy, between Sepulveda and 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  POM156192  Polygonum hydropiperoides L. R. Abrams 1902-6-13 2530 Los Angeles Ballona Creek near Mesmer. Comment
  RSA613275  Polygonum ramosissimum Louis C. Wheeler 1976-3-20 s.n. Los Angeles Long Beach Harbor: Windham Street at Embarcadero Street. Comment
  LA94046  Polypodium californicum Lawrence L. Kiefer; 1966-5-14 2035 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Peak, ca 0.5 mi above Barham Blvd, NW [label says NE] side of Cahuenga Peak. 304 Comment
  LA94081  Polypodium californicum Lawrence L. Kiefer; 1963-12-29 1133 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit 60 Comment
  RSA689887  Polypodium californicum M. B. Dunkle 1929-1-26 2044 Los Angeles Santa Catalina Island. Hillside above school. Comment
  RSA689895  Polypodium californicum F. R. Fosberg 1931-1-7 7119 Los Angeles Mouth of little Santa Anita Canyon, Sierra Madre. 300 Comment
  UCR207627  Polypodium californicum O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  UCR91446  Polypodium californicum Scott D. White 1995-2-7 2539 Los Angeles San Gabriel Mtns., San Dimas Canyon Rd above San Dimas Reservoir. 457 Comment
  UCD136918  Polypodium californicum C. R. Parks 1963-2-9 112 Los Angeles San Gabriel Mountains, ca. 5 miles north of Arcadia, on upper trail of Winter Creek, above Chantry Flats in Santa Anita Canyon. 1158 Comment
  UCSB62420  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's Canon, San Gabriel Mtns. Comment
  UC121355  Polypogon interruptus T. S. Brandegee 1890-5-13 61 Los Angeles Santa Catalina Island Comment
  UC1109359  Polypogon monspeliensis Peter H. Raven 1962-5-8 17598 Los Angeles in bed of stream near mouth of canyon at s end of Seal Cove San Clemente Island; , s end Seal Cove 9 Comment
  UCR73124  Polypogon monspeliensis Scott D. White 1992-10-8 916 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  SEINET10593653  Polypogon monspeliensis Joseph A. Ewan 1932-6-28 Ewan 7506 Los Angeles wet sand about river bed pool. Los Angelos River at Hyperion Bridge, Upper Sonoran Comment
  UCR189995  Polystichum imbricans R. G. Swinney 1998-6-16 6975 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  RSA747774  Polystichum imbricans subsp. curtum Scott D. White, Justin M. Wood 2009-5-6 12658 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA693294  Polystichum imbricans subsp. imbricans Robin S. Collins 1973-5-28 302 Los Angeles Angeles National Forest: Trail Canyon, ca. 3 miles into canyon from beginning of pack trail. 976 Comment
  RSA611540  Potamogeton foliosus var. foliosus L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  CAS-BOT-BC453704  Potamogeton illinoensis F. Grinnell Jr. 1917-9-1 s.n. Los Angeles Crystal Lake near Mt Islip, San Gabriel Mountains Comment
  SEINET10629182 Image available Prunus armeniaca Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2598 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  RSA657203  Prunus ilicifolia Joseph M. Keefe 2001-1-19 30984 Los Angeles Verdugo Mountains: Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles. 385 Comment
  UCSB2894  Prunus ilicifolia subsp. ilicifolia Ralph, F. 1959-5-15 Los Angeles Mint Canyon at campground along U. S. Hwy, 6, 7.9 miles NE of jct. with Soledad Canyon Rd. 609 Comment
  UC284969  Prunus ilicifolia subsp. lyonii P. A. Munz 1923-4-10 6757 Los Angeles s of Lemmon Tank (San Clemente Island); San Clemente Island Comment
  UCR210207  Prunus virginiana R. G. Swinney 2008-8-13 9405 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  UCSB7168  Pseudognaphalium beneolens Philbrick, Ralph 1954-9-30 Los Angeles South slope of San Antonio Canyon 701 Comment
  CAS-BOT-BC356569  Pseudognaphalium biolettii Alice Eastwood 1917-7-20 6470 Los Angeles Santa Catalina Island Comment
  RSA721291  Pseudognaphalium biolettii R. G. Swinney 1998-3-14 5902 Los Angeles Potato Mtn. NW of Upland 1043 Comment
  SBBG63274  Pseudognaphalium biolettii M. N. Ackley -Feb-1928 217 Los Angeles Eagle Rock 243 Comment
  RSA526631  Pseudognaphalium biolettii Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4201 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SDSU3741  Pseudognaphalium biolettii H. Wedberg 1966-4-3 1203 Los Angeles Above Hill Dr. x Neal, in Eagle Rock. 457 Comment
  SFV6187  Pseudognaphalium biolettii R. M. Muran 1974-2-17 24 Los Angeles Santa Monica Mountains Hillside in Zuma Canyon. 412 Comment
  RSA0069423  Pseudognaphalium californicum R. G. Swinney 2010-3-10 11801 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  UCR272537  Pseudognaphalium californicum R. G. Swinney 2011-5-6 14595 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  CAS-BOT-BC356722  Pseudognaphalium californicum A. J. McC. 1892-3-19 101 Los Angeles Pasadena Comment
  RSA0036278  Pseudognaphalium californicum Bill Duval s.n. Los Angeles Montrose Comment
  CAS-BOT-BC357298  Pseudognaphalium microcephalum Alice Eastwood 1906-5-27 143 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  LA200201  Pseudognaphalium microcephalum Jonathan Sauer; H. Walter 1973-9-28 5550 Los Angeles Santa Monica Mountains, crest of Santa Monica Mountains above Brentwood Comment
  SBBG9842  Pseudognaphalium microcephalum T. Ross 1991-5-22 5465 Los Angeles Spray Cyn, short cyn 2400 ft ENE of Spray (which is 5200' N of Eel Pt) 79 Comment
  RSA650249  Pseudotsuga macrocarpa J. A. Harpel 1974-5-18 s.n. Los Angeles Near Big Rock Cr. C.G., on Rd. 8W04, Angeles Nat. For. 1372 Comment
  UC1272459  Pseudotsuga macrocarpa H. M. Hall May 1 1902-May 3 1902 3079 Los Angeles vicinity of Elizabeth Lake Antelope Valley 1219 Comment
  UCR61048  Psoralea macrostachya R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. Morgan Canyon, near spring west of Morgan Canyon debris basin 366 Comment
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Oct 4 2020
  RSA584883  Pteridium aquilinum var. pubescens T. S. Ross, Steve Boyd 1990-6-1 2782 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  CAS-BOT-BC421206  Pterostegia drymarioides Tim Ross; Orlando Mistretta 1993-5-27 7341 Los Angeles W end of the San Gabriel Mtns: Wilson Canyon 621 Comment
  RSA392915  Pterostegia drymarioides Edwin Kline 1925-5-3 s.n. Los Angeles Muhlholland Estate. Comment
  RSA526577  Pterostegia drymarioides Tim S. Ross 1991-3-24 4313 Los Angeles Whittier Hills (Puente Hills, pro parte). 341 Comment
  RSA778910  Purshia glandulosa R. G. Swinney 2009-6-17 11214 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 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
  POM78694  Pycnanthemum californicum Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon Comment
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Feb 14 2008
  RSA532836  Pycnanthemum californicum Tim S. Ross 1991-8-14 5794 Los Angeles Pacifico Mtn rd, 3200 ft NW of Alder saddle. 1768 Comment
  SEINET7968328  Pycnanthemum californicum J. H. Barber 1897-6-30 239 Los Angeles Bear Canyon. Comment
  RSA0080554  Pyrola dentata R. F. Thorne 1971-8-25 41287 Los Angeles Along trail from Windy Gap to Mt. Hawkins. 2439 Comment
  UC993207  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  UC1188267  Quercus X macdonaldii P. C. Everett 1960-9-27 24295 Los Angeles along road through Middle Ranch Santa Catalina Island 182 Comment
  RSA652790  Quercus agrifolia S. Koukol, R. Koukol 1998-5-3 53 Los Angeles La Verne, in field S of Baseline Road, appx. 0.25 mi E of Williams Ave. 381 Comment
  RSA703429  Quercus agrifolia var. agrifolia R. E. Riefner Jr. 2000-8-29 759 Los Angeles La Tuna Canyon, Santa Monica Mountains Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  SEINET13203205 Image available Quercus agrifolia var. agrifolia R. G. Swinney 2011-1 15883 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  RSA653519  Quercus berberidifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 280 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  SFV20801  Quercus berberidifolia L. Gross 2000-11-4 320 Los Angeles Verdugo Mountains Trail at end of Morning Glow, past Sunglow Way, east off La Tuna Canyon Road, Sun Valley. 396 Comment
  UCR208081  Quercus berberidifolia B. C. Templeton 1930-4-2 1433 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  UCR230265  Quercus berberidifolia Dan S. Cooper 2011-3-28 311- 21 Los Angeles Industry Hills, S of Temple Ave., La Puente 177 Comment
  RSA774172  Quercus chrysolepis R. G. Swinney 2009-7-22 11326 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA0091710  Quercus durata var. gabrielensis R. G. Swinney 2011-4-9 14370 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  UC1870149  Quercus durata var. gabrielensis LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 290 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. Along roadside, a short distance down Hostetter Mountainway north side 914 Comment
  UCD45992  Quercus durata var. gabrielensis D. Q. Cavagnaro 1963-9-19 101 Los Angeles 1.1 mile above Lower San Antonio Ranger Station, Mt. Baldy Road, Los Angeles County, California. Elevation 3000 feet. 914 Comment
  CATA1958  Quercus engelmannii Ralph N. Philbrick, Robert F. Thorne 1967-5-18 220 Los Angeles Santa Catalina Island: Lower-middle Bulrush Canyon, Salta Verde 0 Comment
  POM123329  Quercus engelmannii George B. Grant 1901-1-1 s.n. Los Angeles Pasadena. Comment
  SBBG44661  Quercus engelmannii W. B. Holt 1941-10-31 24 -1941 Los Angeles Monrovia Comment
  UCR271071  Quercus engelmannii R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14351 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  CAS-BOT-BC489843  Quercus engelmannii Ora Melvin Clark 1928-12-8 1361 Los Angeles E. Pasadena Comment
  RSA587491  Quercus john-tuckeri Orlando Mistretta 1994-9-13 1476 Los Angeles Santiago Canyon; Santiago Creek near junction of Forest Road 4N20 and BM 3980. 1213 Comment
  POM2108  Quercus lobata George B. Grant 1901-5-12 s.n. Los Angeles Collected at Pasadena Comment
  SFV892  Quercus lobata P. G. Kilburn 1957-10-31 534 Los Angeles San Fernando Valley Chatsworth Circle Road opposite Chatsworth Reservoir, 150 feet east of road. 275 Comment
  UCR168351  Quercus pacifica Reid Moran 1941-3-14 708 Los Angeles Channel Islands, Santa Catalina Island: Middle Ranch 200 Comment
  CAS-BOT-BC104430  Quercus tomentella R. M. Beauchamp 1967-1-29 163 Los Angeles San Clemente Island, in canyon W of Thirst Comment
  RSA618297  Quercus tomentella M. A. Piehl, Eisler 1962-6-10 62407 Los Angeles San Clemente Island: canyon E. of Thirst. 244 Comment
  SBBG17811  Quercus tomentella P. H. Raven 1962-7-10 17981 Los Angeles below Lemon Tank 243 Comment
  SBBG31886  Quercus tomentella R. N. Philbrick 1964-6-12 B 64 -5 Los Angeles just E of Thirst Comment
  UC1348959  Rafinesquia californica Robert F. Thorne 1966-4-7 35958 Los Angeles Cherry Valley Santa Catalina Island 60 Comment
  UC450766  Rafinesquia californica F. A. MacFadden 1931-5-8 89 E Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA639094  Rafinesquia californica L. C. Wheeler 1967-5-15 9581 a Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  PASA2628  Ranunculus californicus Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA399385  Ranunculus californicus J. W. Holland 1884-4-19 s.n. Los Angeles [Unspecified] Comment
  RSA399397  Ranunculus californicus H. G. Whitmore 1947-3-23 7 Los Angeles Santa Monica Mountains, Benedict Canyon, 2 miles south of Mulholland Drive Comment
  RSA721995  Ranunculus hebecarpus F. R. Fosberg 1931-3-24 S- 4348 Los Angeles Hamilton Canyon, Santa Catalina Island. 40 Comment
  UC2026477  Ranunculus hebecarpus Louis C. Wheeler 1975-5-14 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Head of East Fork of Little Tujunga. Comment
  SD69689  Raphanus raphanistrum Robert F. Thorne, P. Everett 1965-6-22 34924 Los Angeles Santa Catalina Island; south of Avalon golf course in open flat sandy bottom of Avalon Canyon. 89 Comment
  RSA33816  Raphanus sativus N. C. Cooper 1944-4-23 1152 Los Angeles Pomona. 244 Comment
  RSA640328  Rhamnus californica Louis C. Wheeler 1931-6-19 s.n. Los Angeles Base of San Gabriel Mountains: La Verne. . Comment
  UCR107831  Rhamnus californica Anna Christensen 1997-4-2 15 Los Angeles Claremont. Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Ave. and Foothill Blvd., 25 yds from E fence, 200 yds. into N. panhandle region. 412 Comment
  UCR132301  Rhamnus californica John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam 366 Comment
  CHSC95548  Rhamnus crocea LeRoy Gross; Naomi Fraga, Bill Hogshead 2002-3-21 501 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. On northwest facing slope in small canyon above (east) of Village Christian School in Sun Valley. 366 Comment
  RSA640802  Rhamnus crocea Louis C. Wheeler 1931-3-30 s.n. Los Angeles Base of San Gabriel Mountains: Thompson Creek Wash. Comment
  CAS-BOT-BC55975  Rhamnus ilicifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8413 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 585 Comment
  CAS-BOT-BC55998  Rhamnus ilicifolia Le Roy Abrams 1900-8-10 1020 Los Angeles San Gabriel Canyon Comment
  JEPS41982  Rhamnus ilicifolia Frank W. Peirson 1918-6-1 109 Los Angeles Eaton Canyon San Gabriel Mts. 609 Comment
  LA200810  Rhamnus ilicifolia A. M. Johnson; 1934-3-16 4365 Los Angeles Simi Hills-Santa Susana Mountains, Santa Susana Pass, beyond Chatsworth near summit of pass 457 Comment
  SBBG71338  Rhamnus ilicifolia M. N. Ackley -Jan-1928 932 Los Angeles Eagle Rock 243 Comment
  UC219146  Rhamnus ilicifolia Munz and Harwood 1920-3-13 3310 Los Angeles 2 mi w Pomona; San Jose Hills 304 Comment
  UCD111901  Rhamnus ilicifolia P. B. Kennedy 1928-3-29 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR209438  Rhamnus ilicifolia R. G. Swinney 1969-6-12 565 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 348 Comment
  CATA1007  Rhamnus pirifolia Mark L. Hoefs 1994-7-18 1889 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  POM292764  Rhamnus pirifolia Lyman Benson, Joseph Lanjouw, Robert Benson 1953-5-2 15114 Los Angeles Catalina Island. White's Landing 15 Comment
  RSA177839  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-5-10 34474 Los Angeles Santa Catalina Island, near Echo Lake 427 Comment
  RSA583018  Rhamnus pirifolia Tim S. Ross, Takara, Otte 1993-4-24 6961 Los Angeles Santa Catalina Island, W end of island beyond the isthmus, lower Boughette Canyon (draining NE to Johnsons Landing). 91 Comment
  SBBG108971  Rhamnus pirifolia S. A. Junak 1996-9-30 SCl 689 Los Angeles W side of Norton Cyn, just below rim of mesa 365 Comment
  RSA641640  Rhamnus tomentella subsp. cuspidata Louis C. Wheeler 1967-9-4 10678 Los Angeles Camp Lupine, Prairie Fork. 1982 Comment
  SEINET10692947  Rhus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2500 Los Angeles City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd. 270 Comment
  UC440405  Rhus Carl Epling, Lincoln Ellison 1929-5-18 Los Angeles Topango [Topanga] Canyon Southern California, Santa Monica Mountains Comment
  OBI34569  Rhus integrifolia David J. Keil 1983-8-23 17868 Los Angeles Just W of Leo Carillo State beach along hwy 1 , ca. 1 mi E of Ventura Cnty line. Comment
  RSA188214  Rhus integrifolia R. F. Thorne, P. Everett 1965-6-22 34917 Los Angeles Catalina Island. South of Avalon golf course. 91 Comment
  SBBG19212  Rhus integrifolia C. Burch 1963-12-8 Los Angeles first cyn S of Seal Cove Comment
  SBBG78531  Rhus integrifolia F. R. Fosberg 1931-3-18 4286 Los Angeles Hamilton Cyn 20 Comment
  UCR213517  Rhus integrifolia A. C. Sanders, Karen Kirtland 2010-5-14 38343 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  CDA971  Rhus ovata D. G. Kelch 1991-3-24 1339 -B Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  RSA774271  Rhus trilobata R. G. Swinney 2009-6-8 11094 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SFV1598  Ribes amarum R. L. Armacost 1964-3-21 1730 Los Angeles San Gabriel Mountains San Antonio Canyon, 1 mile above dam. 760 Comment
  UC2029986  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles SAN GABRIEL MOUNTAINS: Arroyo Seco. Comment
  CAS-BOT-BC92432  Ribes aureum var. gracillimum Ellsworth Bethel s.n. Los Angeles Monrovia. Comment
  RSA127912  Ribes aureum var. gracillimum Peter H. Raven 1959-3-1 13827 Los Angeles Griffith Park, north of junction of Vista del Valle Drive with Hollywood Drive. 396 Comment
  LA50720  Ribes californicum var. hesperium A. M. Johnson; 1932-5-30 4081 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  RSA522288  Ribes californicum var. hesperium Steve Boyd 1990-2-3 3821 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon. Comment
  OBI14056  Ribes indecorum Louis C. Wheeler 1932-2-10 443 Los Angeles Thompson Crk dam near Claremont 503 Comment
  RSA279117  Ribes indecorum R. F. Thorne 1971-3-18 41494 Los Angeles Cobal Canyon, 3 miles N of Claremont. 502 Comment
  UC921817  Ribes indecorum Louis C. Wheeler 1932-2-28 450 Los Angeles near Claremont (Thompson Creek Dam); Thompson Creek 502 Comment
  LA200837  Ribes malvaceum Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  SBBG38685  Ribes malvaceum M. B. Dunkle 1939-11-24 7338 Los Angeles head of cyn, Mosquito Summit; ISOTYPE: R. malvaceum var. clementinum Comment
  LA33977  Ribes malvaceum var. viridifolium Peter H. Raven; 1959-2-15 13781 Los Angeles Santa Monica Mountains, Brown Canyon, Beverly Glen Canyon, 2.6 mi N of Sunset Boulevard 213 Comment
  SFV6202  Ribes malvaceum var. viridifolium R. M. Muran 1974-2-2 5 Los Angeles Santa Monica Mountains About 2 miles south of Mulholland Drive in Mandeville Canyon. 427 Comment
  JEPS49394  Ribes montigenum Frank W. Peirson 1918-8-16 73 Los Angeles summit Baldy; Mt. San Antonio Comment
  UC1929634  Ribes roezlii V. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 1460 Los Angeles Transverse Ranges; San Gabriel Mountains region; Along Sunset Ridge Fire Road, approximately 900 m southwest of Sunset Peak. UTM 11S: 37 85 387 N x 04 36 184 E. 1646 Comment
  POM11582  Ribes roezlii var. roezlii P. A. Munz 1921-6-17 4670 Los Angeles Sawmill, Swartout [Swarthout] Valley. 2043 Comment
  SEINET3151844  Ribes speciosum G. B. Grant 1127 Los Angeles Pasadena Comment
  UCR16476  Ribes speciosum Anna Mayers 1978-5-14 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Hollywood Hills, Griffith Park off Bronson, Los Angeles Comment
  CAS-BOT-BC340990  Robinia pseudoacacia Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3332 Los Angeles San Gabriel Mountains. Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon 1280 Comment
  RSA747743  Robinia pseudoacacia Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12687 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  SBBG72214  Rorippa curvisiliqua R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  LA200325  Rorippa nasturtium-aquaticum Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1970-6-15 4823 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  UCR262469  Rorippa nasturtium-aquaticum Esther Chuang 2013-4-7 37 Los Angeles Walnut, 250 m north of intersection of Grand Ave. and Snow Creek Dr. 197 Comment
  CAS-BOT-BC147481  Rosa californica J. Ewan 1931-7-5 4750 Los Angeles 1 mile above Buena Vista Trail Jct., Pacoima Canyon, San Gabriel Mts. Comment
  UC150056  Rosa californica LeRoy Abrams 1902-6-15 2539 Los Angeles Sepulveda Canyon Santa Monica Mts. Comment
  RSA0020318  Rosa californica D. C. Pearson 822 Los Angeles Bubrush [Bullrush] Canyon. 790113. [Santa Catalina Island?] Comment
  RSA720396  Rosa woodsii subsp. gratissima R. G. Swinney 1997-7-22 5714 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area. 2073 Comment
  CAS-BOT-BC156590  Rubus ulmifolius Louis C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: Big Santa Anita Canyon 579 Comment
  JEPS44765  Rubus ursinus Frank W. Peirson 1919-4-19 380 Los Angeles Pacoima Canyon San Gabriel Mts., Pacoima Canyon 609 Comment
  POM366447  Rubus ursinus Louis C. Wheeler 1932-3-12 484 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  SD38932  Rumex acetosella Edith A. Purer 1931-4-15 1809 Los Angeles Oak Knoll, waste ground Comment
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Jul 11 2010
  CAS-BOT-BC433571  Rumex hymenosepalus Timothy S. Ross 1991-4-27 4687 Los Angeles Mojave Desert: Black Butte Basin Road at its intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters [buttes]. 960 Comment
  UC6948  Rumex hymenosepalus J. Burtt Davy May 9 1896-May 24 1896 2567 Los Angeles Llano Verde Antelope Valley, West Palmdale Comment
  SBBG131627  Rumex salicifolius S. A. Junak 1999-9-10 SCa 1086 Los Angeles S side of upper reservoir, Bulrush Cyn 316 Comment
  RSA3576  Ruppia maritima Carl B. Wolf 1932-5-12 3591 Los Angeles Santa Catalina Island. Border of Catalina Harbor. 3 Comment
  RSA607226  Salazaria mexicana Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  POM243797  Salicornia virginica F. R. Fosberg 1931-7-15 S 5426 Los Angeles Isthmus, Santa Catalina Island. Comment
  CAS-BOT-BC108062  Salix exigua Carl W. Sharsmith 1932-1-17 13 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  SBBG131139  Salix gooddingii S. A. Junak 1999-5-20 SCa 927 Los Angeles Cottonwood Cyn, at reservoir 134 Comment
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Jul 28 2016
  LA105373  Salix laevigata Barry A. Prigge; 1989-4-23 8475 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air miles NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 429 Comment
  LA38394  Salix laevigata Henry J. Thompson; 1960-3-13 3017 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  POM362617  Salix laevigata Robert Gustafson 1978-6-1 989 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  RSA0034680  Salix laevigata var. araquipa Carl W. Sharsmith 1931-10-26 2 Los Angeles Santa Clara River Valley, 1.5 km. north of Castaic. 315 Comment
  CAS-BOT-BC128137  Salix lasiandra var. lasiandra A. J. McClatchie s.n. Los Angeles Pasadena Comment
  CATA105  Salix lasiolepis Peter Henrikson 1987-4-23 78 Los Angeles Santa Catalina Island: Lower Middle Canyon 15 Comment
  POM123205  Salix lasiolepis Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  POM219774  Salix lasiolepis Carl. W. Sharsmith 1931-11-15 4 Los Angeles Foot of coastal headland near mouth of Topanga Canyon. 15 Comment
  RSA597773  Salix lasiolepis Steve D. Boyd, Lauren Raz 1997-3-14 9185 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
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Jun 26 2008
  SD124467  Salix lasiolepis Barry Prigge 1986-3-20 6953 Los Angeles Santa Monica Mountains; Triunfo Canyon. Kanan Road and Triunfo Creek 235 Comment
  SD903  Salix lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura (Picture City), Santa Monica Mountains Comment
  UCR209275  Salix lasiolepis R. G. Swinney 2008-10-7 9483 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR271603  Salix lasiolepis R. G. Swinney 2011-10-13 15774 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  UCR271726  Salix lasiolepis R. G. Swinney 2011-3-26 14212 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
  RSA92640A  Salix lasiolepis F. W. Peirson 1919-3-30 720 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 457 Comment
  SEINET12003295  Salix lasiolepis Unknown 1934-1 9236 Los Angeles Santa Monica Coast Range Comment
  UC506473  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-4-22 7625 Los Angeles 40 hectometers e. of Radford Dr. Los Angeles R.; San Fernando Valley, Los Angeles R. Comment
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Oct 9 2014
  UCSB976  Salix lasiolepis Wedberg, H. 1958-2-22 Los Angeles 0.7 miles from Coast Hwy. 101 in Latigo Canyon, Santa Monica Mts Comment
  SEINET4855861  Salix lasiolepis var. bracelinae F. R. Fosberg 1932-1-26 7179 Los Angeles Santa Monica Mts., in bottom of Topanga Canyon. 69 Comment
  RSA52937  Salpichroa origanifolia George T. Hastings 1950-7-23 s.n. Los Angeles Santa Monica. Comment
  RSA444934  Salsola tragus L. E. Hoffman 1932-8-18 s.n. Los Angeles El Segundo. Comment
  SBBG98657  Salsola tragus T. Ross 1991-5-20 5372 Los Angeles upper N fork of the un-named drainage that empties to sea just N of Jack Pt lighthouse, near eroded earthen dam 164 Comment
  UCSB1714  Salsola tragus Wedberg, H. 1958-7-24 Los Angeles Vincent-Littlerock Road, about 1 mile east of Hwy. 6 Comment
  POM175353  Saltugilia splendens subsp. grantii E. Crow 1930-6-29 s.n. Los Angeles Trail near Crystal Lake. Comment
  RSA0095313  Saltugilia splendens subsp. splendens Richard G. Swinney 2011-6-6 14992 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  UC1595363  Saltugilia splendens subsp. splendens Tim Ross and Steve Boyd 1990-6-18 3455 Los Angeles northerly draw draining to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mtns., Mescal Creek Quad., Camp Verdugo Pines 1877 Comment
  RSA608720  Salvia apiana Louis C. Wheeler 1931-3-13 s.n. Los Angeles San Dimas: Puddingstone. Comment
  SFV21059  Salvia apiana L. Gross, V. Soza 2001-5-31 390 Los Angeles Verdugo Mountains Southeast side of mountains. Ridge north of Dead Horse Canyon. 457 Comment
  RSA337607  Salvia apiana S. Carlquist 1983-7-20 15799 Los Angeles Mt. Baldy Road near flood control dam at base of canyon. Comment
  RSA442857  Salvia apiana William Emboden 1969-5-28 50 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA576922  Salvia apiana S. Carlquist 1983-7-20 15799 Los Angeles Mt. Baldy Road near flood control dam at base of canyon. Comment
  UC25666  Salvia carduacea J. H. Barber 1897-4-20 150 Los Angeles near Pomona Experimental Station Comment
  RSA578243  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-4-4 7684 Los Angeles Head of South Portal Canyon: northwest of Grass Mountain on forest service road that follows South Portal Canyon. 1180 Comment
  UCR126663  Salvia columbariae A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26209 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA0051564  Salvia columbariae Geo. R. Julian 1962-4-20 s.n. Los Angeles 10 miles east of Pearblossom. Comment
  LA69678  Salvia dorrii D. Lewis; 1953-4-9 sn Los Angeles Mohave Desert, Palmdale Comment
  UCR186889  Salvia dorrii A. C. Sanders 2006-4-14 32059 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  SD43395  Salvia dorrii var. pilosa Darley F. Howe 1948-5-2 1777 Los Angeles Angolus Crest Grade. 1036 Comment
  RSA651054  Salvia leucantha Jerry Davis 1949-12-31 s.n. Los Angeles 3rd St., La Verne. 305 Comment
  CAS-BOT-BC233696  Salvia leucophylla Carl B. Wolf 1928-5-11 2183 Los Angeles Ridge Route Road, 2 mi. no. of Castaic 487 Comment
  LA69818  Salvia leucophylla James Lauter; 1953-5-7 sn Los Angeles Comment
  LA82015  Salvia leucophylla Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA446329  Salvia leucophylla L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  HSC14363  Salvia mellifera David Porter 1965-4-29 Los Angeles .5 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtn. 412 Comment
  RSA434125  Salvia mellifera L. B. Ware 1971-5-16 102 Los Angeles Tuna Canyon (east side), Santa Monica mountains. 168 Comment
  SEINET3200285  Salvia mellifera G. Rink 2011-6-1 10569 Los Angeles Chino Hills, northeast of La Brea. 260 Comment
  SFV3236  Salvia mellifera J. C. Crawford 1958-2-14 s. n. Los Angeles Santa Monica Mountains Mulholland Drive, 2.8 miles west of Beverly Glen Blvd. 425 Comment
  UC1124803  Salvia mellifera P. L. Johannsen 1934-1-26 241 Los Angeles Brown's Canyon; Santa Susana Quad. 396 Comment
  UCR258784  Salvia mellifera R. G. Swinney 2010-5-25 12969 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  LA200603  Salvia spathacea Martha Hilend Kinsey; 1935-4-6 sn Los Angeles Santa Monica Mountains, Stone Canyon Comment
  RSA434066  Salvia spathacea Martha Hilend 1928-3-4 52 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  SD12563  Salvia spathacea Edith A. Purer 1935-5-11 6572 Los Angeles Malibou Road Comment
  RSA477566  Sambucus mexicana Gale Sphon 1955-4-4 s.n. Los Angeles Mulholland Drive. Comment
  UC1871232  Sambucus mexicana T. S. Ross, Walter Appleby 1993-5-20 7211 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mts: vicinity of Los Pinetos Spring; 60 m NE of the spring R15W T3N, NW/4 NW/4 SW/4 sect. 10 890 Comment
  SEINET12287038  Sambucus mexicana M. T. Doutt 1931-1 630 Los Angeles Sierra Madre Mts. trail between Mt. Lowe and Mt. Wilson Comment
  CAS-BOT-BC238732  Sambucus nigra subsp. caerulea Carl B. Wolf 1932-7-6 3833 Los Angeles San Fernando Valley, Van Nuys Blvd. 1/2 mi. East of Pacoima Post Office 335 Comment
  OBI26305  Sambucus nigra subsp. caerulea Mark Schneider 1973-5-1 27 Los Angeles Mulholland hwy 1-1/2 mi past Stunt Rd. Comment
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May 8 2014
  UCR260398  Sambucus nigra subsp. caerulea R. G. Swinney 2010-6-21 13278 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  LA34414  Sanicula arguta Harlan Lewis; 1940-2-4 1067 Los Angeles Santa Monica Mountains, Saddle Peak 609 Comment
  RSA471441  Sanicula arguta Louis Greata 1901-03 1931 Los Angeles Garvanza Comment
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Aug 21 2007
  SFV6174  Sanicula arguta R. M. Muran 1974-5-16 73 Los Angeles Santa Monica Mountains Cold Creek Canyon. 427 Comment
  RSA470988  Sanicula arguta M. B. Dunkle 1939-4-3 7236 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA628035  Sanicula arguta L. C. Wheeler 1931-3-20 s.n. Los Angeles Pomona: Ganesha Heights, east end of San Jose Hills. 304 Comment
  SD215376  Sanicula arguta Louis C. Wheeler 1969-5-4 Los Angeles San Gabriel Mountains: Placerita Canyon, same location as April 19. Comment
  CATA1470  Sanicula crassicaulis Mark L. Hoefs, Robert F. Thorne 1996-4-6 2660 Los Angeles Santa Catalina Island: Upper Avalon Canyon, Hermit's Gulch Trail, where trail crosses stream 164 Comment
  RSA471115  Sarcodes sanguinea F. R. Fosberg 1931-8-11 s 5649 Los Angeles Pine Flats, N fork San Gabriel Canyon 1900 Comment
  UC625067  Satureja douglasii F. R. Fosberg 1931-4-28 S 4702 Los Angeles Eagle's Nest Santa Catalina Id., Middle Ranch Canyon (creek bed) 180 Comment
  UCR140427  Saxifraga californica June Latting 1958-3-30 234 Los Angeles San Gabriel Mtns., end of Live Oak Canyon Road, 3 miles north of Claremont 610 Comment
  CATA411  Schinus molle Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 548 Los Angeles Santa Catalina Island: Mt. Black Jack Campgrounds 451 Comment
  CDA20779  Schinus molle M. O'Brien 2006-10-8 s.n. Los Angeles South of Mulholland Hwy., the road from Stunt Rd. to the water tank along the Backbone Trail. Comment
  SD112698  Schismus arabicus Darley F. Howe 1953-5-2 2293 Los Angeles Mouth of Wain Canyon, Santa Catalina Island Comment
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Jun 10 2014
  RSA587511  Schismus barbatus Orlando Mistretta 1995-3-24 1560 Los Angeles San Gabriel Mountains: Carr Canyon. 1098 Comment
  UCR255791  Schismus barbatus R. G. Swinney 2010-3-10 11822 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  RSA366070  Schoenoplectus maritimus Edwin Kline 1924-7-5 s.n. Los Angeles Near Inglewood. Comment
  RSA652087  Scrophularia californica Frank Sparks 1948-4-23 s.n. Los Angeles 1/2 mi. from campus [Cal Poly Pomona] Comment
  UCR13486  Scrophularia villosa O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  SBBG125935  Scutellaria mexicana A. Parikh, N. Gale 2010-6-4 3259 Los Angeles Sierra Pelona, 2.8 km W of State Hwy 14, 1.3 km S of Avenue S; E Liebre Mtns 987 Comment
  RSA549513  Scutellaria siphocampyloides Tim S. Ross, Steve D. Boyd 1990-6-18 3467 Los Angeles San Gabriel Mountains: Angeles National Forest. Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1877 Comment
  SBBG125469  Scutellaria siphocampyloides A. Parikh, N. Gale 2010-6-18 3337 Los Angeles upper Big Tujunga Cyn, 01.2 km N of St Hwy 2, 0.4 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1220 Comment
  UC1595381  Scutellaria siphocampyloides Tim Ross, Steve Boyd 1990-6-18 3467 Los Angeles Camp Verdugo Pines and vicinity, [northerly draw draining] to Jackson Lake Camp Verdugo Pines; San Gabriel Mountains, Camp Verdugo Pines 1877 Comment
  UC284663  Scutellaria tuberosa G. B. Grant Feb. 1901 3393 Los Angeles Pasadena Comment
  POM8692  Scutellaria tuberosa P. A. Munz, R. D. Harwood 1920-3-13 3323 Los Angeles San Jose Hills, Ganesha Park. 305 Comment
  RSA0081653  Sedum spathulifolium Frank W. Peirson 1908-5-9 428 Los Angeles Rocky banks of West Fork of Eaton Canyon, south base of San Gabriel Mts. 991 Comment
  CAS-BOT-BC62022  Selaginella bigelovii Tim Ross; Steve Boyd 1991-4-25 4583 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon 731 Comment
  LA200011  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-16 1797 Los Angeles SANTA MONICA MOUNTAINS, Garapito Creek, ca 1 mi E of Topanga Canyon Rd. 396 Comment
  CAS-BOT-BC363455  Senecio californicus C. F. Baker 1909-3-20 5251 Los Angeles Claremont Comment
  IRVC27788  Senecio flaccidus var. douglasii A. C. Sanders 2005-5-11 30175 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  UC750623  Senecio flaccidus var. douglasii Lewis S. Rose 1946-12-21 46299 a Los Angeles 3 mi ne La Canada (Angeles Crest Highway) 609 Comment
  UCR55646  Senecio flaccidus var. monoensis S. J. Myers 1988-9-30 s.n. Los Angeles Western Mojave Desert, Palmdale area, north of Elizabeth Lake Road, near the intersection with 25th St. West 841 Comment
  SEINET11805353  Senecio flaccidus var. monoensis R. A. Schlising 1971-1 3003 Los Angeles Lopez Canyon, N of Pacoima Comment
  POM19159  Senecio lyonii P. A. Munz 1923-4-8 6629 Los Angeles San Clemente Island, Wilson's [Wilson] Cove Comment
  CATA3387  Senecio vulgaris Peter J. Dixon 2017-3-24 077 Los Angeles Santa Catalina Island: Near Isthmus, 670 m northeast of Tower Pk. 260 Comment
  POM347497  Senna armata W. Hutchinson 1920-6-1 s.n. Los Angeles Mojave Desert Comment
  RSA402665  Sesuvium verrucosum T. H. Holmes 1933-4-25 s.n. Los Angeles Mohave Desert. Comment
  UCR172292  Setaria viridis Anuja Parikh, Nathan Gale 2005-7-11 2138 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  UCR205691  Sherardia arvensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36980 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA433864  Sidalcea malviflora Anstruther Davidson 1890-05 s.n. Los Angeles Riverside, Sunnyside, Los Angeles Comment
  SFV4894  Silene coniflora M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. 150 Comment
  UCR199971  Silene gallica Valerie Soza, LeRoy Gross 2001-5-9 1191 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 274 Comment
  RSA3698  Silene gallica C. B. Wolf 1932-5-11 3545 Los Angeles Santa Catalina Island, hillside W of Isthmus Harbor. 15 Comment
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Jan 23 2014
  RSA650325  Silene gallica Jim Kishi 1948-2-11 s.n. Los Angeles Foot of mountains west of Dalton Canyon. [ Little or Big Dalton Canyon ?, N of Glendora]. Comment
  SEINET8879643  Silene laciniata J. H. Barber 1897-1 308 Los Angeles Santa Monica Canyon. Comment
  RSA431762  Sisymbrium altissimum L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima, Angeles National Forest. Comment
  UC1126793  Sisymbrium altissimum A. D. Gifford 1935-4-30 640 Los Angeles 6 mi wsw of Manzana 1005 Comment
  UCR216749  Sisymbrium erysimoides R. G. Swinney 2009-2-20 10010 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
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Dec 24 2010
  RSA592838  Sisymbrium irio L. C. Wheeler 1967-4-30 9208 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 366 Comment
  SBBG130745  Sisymbrium irio S. A. Junak 2000-3-30 SCa 1143 Los Angeles cmpgrd at Little Harbor 6 Comment
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Jul 26 2016
  UCR222768  Sisymbrium officinale R. G. Swinney 2009-5-8 10694 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA0113753  Sisymbrium officinale Steven A. Junak 1999-5-20 SCa- 946 Los Angeles Santa Catalina Island. Cottonwood-Black Jack Road, plant stop, near small creekbed, at bird sample point #36. 290 Comment
  RSA669161  Sisymbrium orientale LeRoy Gross, Naomi Fraga 2002-4-4 519 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet., (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 457 Comment
  UCR258555  Sisymbrium orientale R. G. Swinney 2010-5-29 13021 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  RSA366923  Sisyrinchium bellum Elbert Benjamine 1929-3-17 112 Los Angeles Griffith Park, Los Angeles. Comment
  RSA733588  Sisyrinchium bellum Richard G. Swinney 1998-7-24 6555 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  UC457334  Sisyrinchium bellum Carl Epling 1931-3-2 Los Angeles Los Alisos Canyon; Santa Monica Mountains Comment
  RSA0087099  Sisyrinchium bellum Steven A. Junak 2001-5-4 SCa- 1484 Los Angeles Santa Catalina Island. W end of island, S of Parson's Landing. 109 Comment
  UCR190731  Smilacina stellata R. G. Swinney 1999-7-5 7494 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
  LA200855  Solanum americanum Michael Neuman; October 1983 5 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon 374 Comment
  RSA602762  Solanum douglasii Louis C. Wheeler 1972-12-24 12796 Los Angeles San Gabriel Mountains: near center of Las Flores Canyon. 762 Comment
  RSA647796  Solanum douglasii LeRoy Gross, Laura Moore 2000-6-5 206 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 Comment
  RSA561592  Solanum douglasii Steve D. Boyd, Orlando Mistretta 1993-6-3 8180 Los Angeles North of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons, 1/4 mile northeast of May Canyon saddle. 914 Comment
  NY821435  Solanum nigrum P. O. Schallert 1943-4-19 s.n. Los Angeles Monrovia Comment
  CAS-BOT-BC156472  Solanum umbelliferum L. Abrams; E. A. McGregor 1908-7-2 597 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1524 Comment
  RSA650187  Solanum umbelliferum Lori Ackerman, Gerald Braden 1988-5-20 13 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA651337  Solanum umbelliferum Matt Bogdanoff 1981-5-25 26 Los Angeles Glendora Mtn. Rd., 5.2 mi N of junction with Sierra Madre Ave., N of Glendora. 671 Comment
  RSA702166  Solanum umbelliferum Michael Honer 2004-6-22 1993 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  UC26239  Solanum umbelliferum W. H. Brewer 1860-1 108 Los Angeles San Gabriel Comment
  CAS-BOT-BC156509  Solanum umbelliferum Prof. W. R. Dudley 1907-12-18 s.n. Los Angeles Sawpit [Canon] Canyon (near Monrovia) Comment
  RSA167534  Solanum umbelliferum Robert F. Thorne 1964-1-25 34057 Los Angeles Chantry Flats, N of Sierra Madre Arroyo Seco section, Angeles National Forest 762 Comment
  NY820715  Solanum wallacei R. V. Moran 1941-3-8 687 Los Angeles Whites Landing, Santa Catalina Island 50 Comment
  UCR114177  Solanum xanti A. C. Sanders, D. Malueg 1998-6-24 22084 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  SEINET4100513  Solanum xanti var. intermedium R. Gustafson 1977-1 sn Los Angeles Gold Creek, Little Tujunga. Comment
  RSA473611  Solidago californica Fordyce Grinnell Jr. 1921-4-3 17782 Los Angeles Pacoima Canyon. Comment
  RSA678777  Solidago californica Valerie L. Soza, LeRoy Gross 2002-4-16 1420 Los Angeles Between Pettinger and Haskell canyons. Stables Fire 2001 area. 579 Comment
  JEPS32439  Solidago velutina subsp. californica F. W. Peirson 1918-9-16 230 Los Angeles Mt. San Antonio 1371 Comment
  SEINET13276800 Image available Solidago velutina subsp. californica R. G. Swinney 2011-1 15885 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  UCR205655  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
  CAS-BOT-BC374611  Sonchus oleraceus M. B. Dunkle 1940-3-21 7450 Los Angeles East slope, Santa Barbara Island Comment
  OBI35712  Sonchus oleraceus Rebecca Cicoria 1982-5-8 62 Los Angeles Palos Verdes Peninsula, Sepulveda Cyn, along Si's Trl, Rolling Hills Comment
  UC57089  Sparganium erectum subsp. stoloniferum Ernest Braunton 1902-6-8 490 Los Angeles Ballone Ballona Comment
  RSA407709  Spartium junceum O. R. Dorado R. 1987-6-10 1701 Los Angeles San Gabriel Mountains; near Rincon Ranger Station. 762 Comment
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Sep 17 2014
  UCR206440  Spartium junceum R. G. Swinney 2008-6-9 9011 Los Angeles San Gabriel Mtns., 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
  UCR95307  Spartium junceum Steve Boyd, M. Wall 1996-5-16 8776 Los Angeles Liebre Mtns., confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain 585 Comment
  RSA0097875  Spergularia bocconi Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-8 4358 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SFV16351  Spergularia macrotheca P. M. Schiffman, R. van de Hoek 1996-7-29 s. n. Los Angeles California Channel Islands Santa Catalina Island. Bird Rock near Isthmus Harbor. Bird guano covered rock just off shore. Bird Rock #6. 1 Comment
  SD52879  Spergularia macrotheca Peter H. Raven 1962-4-9 17145 Los Angeles San Clemente Island in rocky grassland near barracks, Wilson Cove. 60 Comment
  CATA2053  Spergularia marina Steven A. Junak, Mark Hoefs, Lisa Stratton, Keri Kirkland 1998-7-16 756 Los Angeles Santa Catalina Island: N end of salina just inland from mouth of Cherry Canyon 3 Comment
  POM179  Spergularia salina L. R. Abrams 1901-04 1458 Los Angeles Hyde Park. Comment
  CATA3121  Spergularia villosa Amy Catalano 2016-5-24 126 Los Angeles Santa Catalina Island: Road by old grass production field at junction of Cape Canyon and Middle Canyon roads 173 Comment
  UC1584740  Spergularia villosa Tim Ross and Annette Ross 1991-6-3 5523 Los Angeles Elephant Hill west Pomona (disturbed flat at sw base) 230 Comment
  RSA77048  Sphaeralcea emoryi subsp. variabilis F. W. Peirson 1917-5-13 776 Los Angeles Palmdale, SW Mojave Desert. Comment
  SD3043  Sphaeralcea grossulariifolia Ruth B. Randall Apr 1920 Los Angeles Between Palmdale and Lancaster. Comment
  POM1131  Sporobolus airoides W. R. Dudley, F. H. Frank 1896-6-6 [ 4321 ] Los Angeles Lancaster. Comment
  SEINET3153395  Stachys albens G. B. Grant 1245 Los Angeles Pasadena Comment
  SEINET3860008  Stanleya pinnata R. G. Swinney 2009-4-24 10433 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campground.; 0 915 Comment
  UCSB51707  Stanleya pinnata Haller, John 1928-6-12 Los Angeles 1 mi. above Schoolhouse hill, Mill Canyon; Santa Barbara Forest 1676 Comment
  RSA452247  Stanleya pinnata var. pinnata Roger Minahan 19819 Los Angeles Valyermo, L.A. Co. near Big Rock Creek 1005 Comment
  SFV15508  Stanleya pinnata var. pinnata E. J. Spencer 1992-5-10 25 Los Angeles San Gabriel Mountains Elizabeth Lake Road just east of San Francisquito Canyon Road. 701 Comment
  POM219127  Stellaria graminea L. C. Wheeler 1932-5-30 795 Los Angeles 2 miles NE La Verne 381 Comment
  RSA3711  Stellaria media C. B. Wolf 1932-5-11 3558 Los Angeles Fourth O July Cove; Santa Catalina Island 30 Comment
  CAS-BOT-BC375072  Stephanomeria F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  UCR206456  Stephanomeria parryi R. G. Swinney 2008-6-9 8963 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR181265  Stipa parishii R. G. Swinney 1997-6-13 5580 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 1.1 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 1841 Comment
  CATA1565  Stipa pulchra Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2833 Los Angeles Santa Catalina Island: Hillside above New York Harbor 79 Comment
  OBI17216  Stutzia covillei Bill Arbaugh 1966-4-16 14 Los Angeles W on 138 from Lancaster Comment
  RSA774828  Stylocline gnaphaloides Orlando Mistretta, Christine Mistretta 2010-6-8 5288 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  RSA393790  Stylocline gnaphaloides M. B. Dunkle 1929-4-25 2145 Los Angeles Renton Pass, Santa Catalina Island. Comment
  RSA92503  Stylocline gnaphaloides F. W. Peirson 1919-3-27 232 Los Angeles Hills west of Arroyo Seco, near Pasadena 426 Comment
  RSA438625  Suaeda moquinii Frances M. Morey s.n. Los Angeles Culver City Comment
  CAS-BOT-BC238992  Symphoricarpos rotundifolius Le Roy Abrams; E. A. McGregor 1908-7-5 638 Los Angeles Swartout [Swarthout] Canyon, desert slopes of the San Gabriel Mountains Comment
  UC1871128  Syntrichopappus fremontii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4812 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. Collect