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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384195  Abies concolor L. E. Hoffman 1931-11-9 s.n. Los Angeles Big Pines County Park, Angeles Forest Comment
  SBBG12479  Abronia maritima P. H. Raven 1962-4-11 17296 Los Angeles sandy beach behind Northwest Harbor 3 Comment
  RSA0009275  Abronia umbellata J. George 2012-3-12 s.n. Los Angeles South Coast: Hermosa Beach, vacant lot south of 1125 Manhattan Ave. 11 Comment
  SBBG107230  Abronia umbellata J. Rebman, J. Dunn 1996-4-29 3105 Los Angeles between Eel Cove and Eel Cove Cyn Comment
  SBBG19182  Abronia umbellata M. A. Piehl 1963-12-8 63163 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 1 Comment
  SD237521  Abronia umbellata Jeremiah George 2012-3-12 Los Angeles South Coast: Hermosa Beach, vacant lot south of 1125 Manhattan Avenue. 10 Comment
Read comments
Aug 12 2016
  UC1587731  Achillea millefolium Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5102 Los Angeles above, on rd near top of e escarpment, 1400 ft nnw of the 553 ft BM Nots Pier; San Clemente Island 138 Comment
  RSA3515  Achillea millefolium var. californica Carl B. Wolf 1932-5-9 3458 Los Angeles At junction of Skyline Drive and Pebbly Beach Road. Santa Catalina Island 30 Comment
  CHSC35487  Achnatherum coronatum James Henrickson 1979-5-18 18125 Los Angeles Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14. 426 Comment
  RSA639112  Achnatherum coronatum L. C. Wheeler 1967-5-15 9557 Los Angeles San Gabriel Mountains: Fremont Pass, north side. 563 Comment
  RSA249795  Achnatherum speciosum R. F. Thorne 1973-5-11 43485 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano 1159 Comment
  RSA597124  Achnatherum speciosum Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3710 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  SDSU19671  Acmispon argophyllus var. adsurgens Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2203 A Los Angeles San Clemente Island, north of Guds, at south end of island. 235 Comment
  UC15673  Acmispon argophyllus var. argenteus Blanche Trask May 1896 Los Angeles Avalon, Santa Catalina Island. Comment
  SFV16405  Acmispon argophyllus var. argophyllus J. H. Nishida 1991-8-24 s. n. Los Angeles San Gabriel Mountains Crystal Lake Campground. 1768 Comment
  SBBG131996  Acmispon dendroideus var. traskiae S. A. Junak 1996-4-16 SCI 356 Los Angeles S side of Eagle Cyn, ironwood grove, just downslope from Delphinium population 426 Comment
  RSA0115856  Acmispon grandiflorus Steven A. Junak 1999-5-6 SCa- 883 Los Angeles Santa Catalina Island. Parsons Landing, at W end of beach, mouth of creek. 3 Comment
  CATA3496  Acmispon grandiflorus var. grandiflorus Benjamin J. Dion, Michael Thomas, Nathalie Cartan 2017-11-2 048 Los Angeles Santa Catalina Island: Pacific side; roadside on eroded slope 1m above (north of) Silver Peak Road, northwest of Silver Peak 457 Comment
  SBBG67984  Acmispon maritimus var. maritimus R. Hoffmann 1932-4-26 Los Angeles Mint Cyn, N of Solemint Comment
  CAS-BOT-BC29209  Acourtia microcephala Herman Knoche 1919-6-24 883 Los Angeles Avalon, Santa Catalina Island Comment
  UC1211026  Acourtia microcephala Huron H. Smith 1912-6-10 5081 Los Angeles Cherry Canyon Santa Catalina Isl. Comment
  CDA3992  Adenocarpus foliolosus G. C. Fleischman Los Angeles Beside service station, Alan Avenue & Villa Street, Pasadena. Northwest corner, north side of fence. 0 Comment
  UCR119288  Adenostoma fasciculatum A. C. Sanders, D. Malueg 1998-6-22 22051 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCR186802  Adenostoma fasciculatum Gary Kovnat, LeRoy Gross 2003-2-2 9 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace south west corner of meadow Comment
  UCR256249  Adenostoma fasciculatum R. G. Swinney 2010-3-22 12081 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  POM156521  Adenostoma fasciculatum var. fasciculatum L. R. Abrams 1902-7-3 2649 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA0094373  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-31 14933 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0012098  Adiantum capillus-veneris Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11692 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  UC557633  Adiantum jordanii Nell Murbarger March, 1936 4 Los Angeles canyons e side of isl San Clemente Isl Comment
  RSA0082598  Ageratina adenophora R. G. Swinney 2010-8-30 13631 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  RSA0105047  Ageratina adenophora R. G. Swinney 2011-4-26 14481 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
  RSA647862  Ageratina adenophora LeRoy Gross, Laura Moore 2000-6-5 215 Los Angeles Verdugo Mountains: Brand Canyon, a short distance above the cemetery 350 Comment
  UCD150974  Ageratina adenophora D. S. Park 2010-4-29 60 Los Angeles Wildwood Canyon, roadside near first canyon entrance trailhead. 388 Comment
  UCR273437  Ageratina adenophora R. G. Swinney 2011-4-26 14481 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UC129597  Agoseris grandiflora var. grandiflora H. M. Hall 7393 Los Angeles vicinity Elizabeth Lake Comment
  SBBG66282  Agoseris retrorsa R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  CAS-BOT-BC127235  Agrostis exarata H. E. Hasse 1892-6-1 s.n. Los Angeles Between Santa Monica and Los Angeles. Comment
  RSA0082408  Agrostis exarata R. G. Swinney 2010-9-7 13722 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
Read comments
Oct 27 2020
  UCR193148  Agrostis exarata R. G. Swinney 1999-8-14 7625 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
Read comments
May 11 2012
  UCR270807  Agrostis idahoensis R. G. Swinney 2011-8-17 15623 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA600627  Agrostis stolonifera L. C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mountains: Big Pines; Headwaters of Mescal Creek. 2043 Comment
  UCR206141  Agrostis viridis R. G. Swinney 2008-5-30 8913 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  RSA0048587  Alisma triviale W. Baker 1973-10-12 s.n. Los Angeles San Dimas Experimental Forest near Ranger's Office. 914 Comment
  UCR147536  Allium burlewii Naomi Fraga, Paul Morton 2004-5-18 1186 Los Angeles Transverse Ranges; San Gabriel Mountains region, Spur trail from main trail to summit of Mount Hillyer. 1860 Comment
  RSA164832  Allium fimbriatum var. fimbriatum Wesley O. Griesel 1963-5-26 788 Los Angeles Between Valyermo and Mile High Ranch 1371 Comment
  UCR188654  Allium haematochiton R. G. Swinney 1990-3-23 1542 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  RSA367101  Allium haematochiton E. Crow 1928-4-11 240 Los Angeles Hills southwest of Pomona. Comment
  UCR281355  Allium lacunosum var. davisiae R. G. Swinney 2014-4-24 16240 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  CLARK-A1528-7759  Allium monticola John C. Roos 1937-7-16 636 Los Angeles San Gabriel Mountains Comment
  RSA70459  Allium monticola F. W. Peirson 1921-6-16 5223 Los Angeles north slope of Mt. Waterman 2133 Comment
  CAS-BOT-BC475403  Allium praecox Carl B. Wolf 1932-5-12 3583 Los Angeles Santa Catalina Island. 2 mi. from isthmus on road to little harbor 91 Comment
  CHSC95536  Allophyllum divaricatum LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 240 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land.On trail up out of canyon and going to the crest following a ridge running northwest from the crest, sunny south side of ridge.. 726 Comment
  RSA0040124  Allophyllum divaricatum Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  UCR273151  Allophyllum divaricatum R. G. Swinney 2011-5-6 14611 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  RSA151507  Allophyllum glutinosum P. H. Raven 1962-5-23 17858 Los Angeles Santa Catalina Island: near Bird Park, Memorial Canyon, Avalon. Comment
  RSA639184  Allophyllum glutinosum L. C. Wheeler 1967-5-15 9559 Los Angeles San Gabriel Mountains: Ridge east of Fremont Pass. 571 Comment
  UCR162299  Allophyllum glutinosum Anuja Parikh, Nathan Gale 2004-7-21 2089 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 21), ridges south of upper Potrero Canyon 427 Comment
  RSA452787  Alnus rhombifolia B. C. Templeton 1932-7-21 5037 Los Angeles Prairie Fork San Gabriel River, near Big Pines Park Comment
  RSA187841  Althaea rosea Robert F. Thorne 1966-6-1 s.n. Los Angeles Santa Catalina Island: edge of undergrowth in Pebbly Beach Canyon near end of road 91 Comment
  UCR206476  Amaranthus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36964 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA187702  Amaranthus albus R. F. Thorne 1966-9-14 36646 Los Angeles Santa Catalina Island: sandy, disturbed area behind Ben Weston Beach 3 Comment
  RSA191637  Amaranthus albus R. F. Thorne, M. Z. Thorne 1966-8-29 36582 Los Angeles Crystal Lake Recreation area, Angeles National Forest 1676 Comment
  RSA402977  Amaranthus blitoides Robert Gustafson 1980-9-16 1904 Los Angeles Ballona Wetlands Comment
  CDA3241  Amaranthus blitum Tom Yutani 1989-4-17 Los Angeles Rosecrans Avenue and Beach Blvd. (Hwy 39), La Mirada . 0 Comment
  SEINET2043131 Image available Amblyopappus pusillus Jon Rebman, J. Dunn 1996-4-29 3106 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island; 10 Comment
  RSA0116760  Ambrosia acanthicarpa R. G. Swinney 2010-10-5 13966 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA126675  Ambrosia acanthicarpa Peter H. Raven, Henry J. Thompson 1959-9-27 14508 Los Angeles Sepulveda Canyon. (Lat N. 34Y, Long. 118Y to 119Y W.) 244 Comment
  UCR109688  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-6-10 s.n. Los Angeles San Gabriel Mtns., Arcadia, NE side of Colorado Place between Oakhurst Lane and Colorado Blvd., just north of Santa Anita Park 152 Comment
  LA207882  Amelanchier utahensis V. Newsom; 1932-6-8 sn Los Angeles San Gabriel Mountains, Wrightwood Comment
Read comments
Jun 10 2015
  SD2576  Amorpha californica Ruth B. Randall 1925-1 269 Los Angeles Griffith Park, Los Angeles, along streams in foothills Comment
  SEINET6050842  Amorpha californica Unknown 1996-5-16 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA415284  Amorpha californica var. californica Christopher Davidson 1975-6-24 2871 Los Angeles Big Tujunga Canyon, ca. 5 mi NE of Sunland on rd 2N78 in a small side canyon running SW. 686 Comment
  UCSB46593  Amsinckia intermedia Welton, Patti 1983-3-28 Los Angeles On southwest side of Mulholland Hwy. 2.2 miles north of its junction with Malibu Canyon Road, Santa Monica Mtns. 472 Comment
  RSA0079961  Amsinckia intermedia L. R. Abrams 1903-3-14 3140 Los Angeles San Pedro Hills near Malaga Cove. Comment
  RSA626102  Amsinckia intermedia LeRoy Gross 1999-3-21 128 Los Angeles Santa Susana Mountains: Top of ridge between Rice and Leaming Canyons, city of Newhall. 609 Comment
  UC551829 Image available Amsinckia spectabilis F. R. Fosberg 1932-3-28 10618 Los Angeles n slope San Pedro Hills , Palos Verdes Estates Comment
  UCR192170  Amsinckia tessellata var. gloriosa A. C. Sanders 2008-4-17 34933 Los Angeles Transverse Range, hills c. 1.5 miles SW of Neenach School, c. 1.5 mi. west of Pine Canyon 989 Comment
  UCR191722  Amsinckia vernicosa var. vernicosa A. C. Sanders 2008-4-11 34848 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM 'Pine 970 Comment
  RSA465145  Anagallis arvensis Richard C. Barkelew 1929-7-4 s.n. Los Angeles Mulholland Highlands near Los Angeles. Comment
  RSA0113434  Ancistrocarphus filagineus LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7537 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
  SEINET7595073 Image available Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1949-1 6755 Los Angeles San Gabriel Mtns.; North Fork San Gabriel River, near Bichota canyon 686 Comment
  CATA1077  Anemopsis californica Mark L. Hoefs 1995-5-16 2027 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  SEINET11853899  Anisocoma acaulis H. M. Hall 1902-1 3075 Los Angeles Elizabeth Lake Comment
  UC1605263  Anthriscus caucalis Tim Ross and Steve Boyd 1994-5-4 7678 Los Angeles Dogwood Canyon Liebre Mountains, Lake Hughes 7.5' U.S.G.S. quad. (narrow canyon draining ne to Burns Canyon from the ne summit of Grass Mountain) 1267 Comment
  LA52037  Antirrhinum coulterianum W. R. Ernst; May 1947 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCR271525  Antirrhinum coulterianum R. G. Swinney 2011-5-31 14895 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
  RSA0120030  Antirrhinum kelloggii R. G. Swinney 2014-5-19 16552 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  POM4291  Antirrhinum multiflorum I. M. Johnston 1917-6-20 s.n. Los Angeles San Antonio Canyon. 1067 Comment
  RSA0091513  Antirrhinum multiflorum R. G. Swinney 2011-6-29 15349 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  CATA697  Antirrhinum nuttallianum subsp. subsessile Mark L. Hoefs 1991-5-3 1192 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  UC457214  Antirrhinum nuttallianum subsp. subsessile Carl Epling 1931-5-9 Los Angeles Los Alisos Canyon; Santa Monica Mountains Comment
  SBBG108980  Aphanes occidentalis S. A. Junak 1997-3-13 SCl 774 Los Angeles head of E fork of first cyn E of Mosquito Cyn 304 Comment
  SBBG131565  Aphanes occidentalis S. A. Junak 2000-4-15 SCa 1200 Los Angeles W side of rd to Lone Tree, ca. 0.1 mi from junction with Divide Rd 478 Comment
  UC874550  Apiastrum angustifolium F. R. Fosberg 1931-4-4 S 4489 Los Angeles Santa Catalina Island, Cherry Canyon Cherry Canyon; Santa Catalina Island, Cherry Canyon 60 Comment
  SEINET12117499  Apiastrum angustifolium I. W. Clokey, Templeton, B. 1929-1 4434 Los Angeles Mandeville Canyon, Santa Monica Mountains 425 Comment
  SFV20828  Apocynum cannabinum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1109 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. South of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 457 Comment
  UC1922444  Aptenia cordifolia LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2826 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southeast side of the San Rafael Hills: Behind a power substation, near a small pond. At end of Wierfield Drive. Near 313 Comment
  RSA84422  Aquilegia formosa F. W. Peirson 1923-5-25 4168 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1296 Comment
  SBBG127002  Aquilegia formosa A. Parikh, N. Gale 2011-7-15 3561 Los Angeles West Fork San Gabriel River, 3.5 km W of St Hwy 39; San Gabriel Mtns 568 Comment
  SBBG71702  Aquilegia formosa R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  RSA0126407  Arabis glabra Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  RSA0126238  Arabis glabra var. glabra Scott D. White, P. De Vries 2000-5-18 7896 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA595690  Arbutus menziesii L. C. Wheeler 1970-1-4 s.n. Los Angeles San Gabriel Mountains. East fork Santa Anita Canyon, Madrone Flat. 883 Comment
  UCR150886  Arbutus menziesii Valerie Soza, LeRoy Gross 1999-7-15 630 Los Angeles Transverse Ranges; San Gabriel Mtns, Helispot off Mt Wilson Trail, 2.7 mi from trailhead in Sierra Madre 823 Comment
  RSA228982  Arceuthobium californicum Robert F. Thorne 1971-8-25 41322 Los Angeles San Gabriel Mts., Angeles National Forest: On springy slope near Windy Spring on N slope of Mt. Islip. 2195 Comment
  LA42234  Arctostaphylos catalinae C. B. Wolf; 1932-5-13 3626 Los Angeles Catalina Island, 3.5 mi. (by road) from Avalon on way to Isthmis 365 Comment
  SD108855  Arctostaphylos catalinae James Henrickson Jan 1973 8106 Los Angeles Santa Catalina Island; 2.0 miles westnorthwest of Avalon near north end of Grand Canyon. Comment
  RSA0034714  Arctostaphylos catalinae Meryl B. Dunkle 1928-12-27 2037 Los Angeles Hay Press, Santa Catalina Island. Comment
  RSA626708  Arctostaphylos glandulosa P. H. Raven, H. J. Thompson 1960-4-13 15079 Los Angeles On northwest slope of Mount Hollywood, Santa Monica Mountains. 335 Comment
  CAS-BOT-BC24912  Arctostaphylos glandulosa subsp. adamsii John Thomas Howell 1942-10-19 17873 Los Angeles Charlton Flat, San Gabriel Mts. Comment
  RSA367255  Arctostaphylos glandulosa subsp. gabrielensis B. C. Templeton 1956-4-22 7684 Los Angeles near Charlton Flats 1829 Comment
  LA105349  Arctostaphylos glandulosa subsp. glandulosa Barry A. Prigge; 1989-4-23 8429 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  CAS-BOT-BC23068  Arctostaphylos glandulosa subsp. mollis Walter Knight; Irja Knight 1986-11-26 6308 Los Angeles San Gabriel Mountains: 1.3 miles below Clear Creek Campground (en route to la Canada Flintridge) Comment
  RSA587284  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1990-5-17 2561 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA721288  Arctostaphylos glandulosa subsp. mollis R. G. Swinney 1998-3-14 5906 Los Angeles Potato Mtn. NW of Upland 1043 Comment
  RSA603190  Arctostaphylos glauca L. C. Wheeler 1972-12-20 12780 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  RSA631477  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16033 Los Angeles Ridge Route, 18 km south of Liebre Gulch turnoff. 900 Comment
  RSA631637  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15843 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  SD260240  Arctostaphylos glauca R. G. Swinney 2010-5-19 12809 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just W of Angeles Nat. Forest boundary, 2.05 air mi. due E of Angeles Forest Hwy., 0.8 mi. due W of Mt. Emma Rd. 1335 Comment
  SFV22023  Arctostaphylos glauca V. Soza, I. E. Anderson, L. Gross 2000-6-6 991 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. Along Verdugo Mountainway east of junction with Stough Canyon Mountainway, above Stough and Wildwood canyons. Ridgetop along fire road. 838 Comment
  RSA0087354  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15826 Los Angeles San Gabriel Canyon, Hwy 39, 11-12 km N of ORV area, San Gabriel Mountains. 1100 Comment
  RSA634354  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20626 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634695  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20340 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634780  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20332 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634844  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20509 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634864  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20263 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634871  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20271 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634929  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20236 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635190  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20386 Los Angeles Road to Pacifico Mtn., 6.0 km east of Mill Creek Summit, San Gabriel Mtns. 1830 Comment
  RSA635252  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20643 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  UCR190760  Arenaria macradenia R. G. Swinney 1999-7-5 7499 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  RSA65501  Arenaria macradenia var. arcuifolia F. W. Peirson 1922-7-5 3157 Los Angeles Summit of Le Montaine, north of Big Pines, north side of San Gabriel Mountains 2209 Comment
  RSA0116179  Argemone munita R. G. Swinney 2011-6-15 15205 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  UCR193462  Argemone munita R. G. Swinney 1999-6-5 7275 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  CHSC95526  Aristida purpurea var. parishii LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 400 Los Angeles Los Angeles Basin: Verdugo Mountains region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. On ridge that runs down to the mouth of McDonald Creek, on west side of creek, but a short distance from the main crest, the population is on the sunny southfacing slope on the hill to the east of this ridge. 366 Comment
  CAS-BOT-BC146301  Aristida ternipes var. gentilis Marcus E. Jones 1882-5-3 3016 Los Angeles Pasadena. Comment
  CAS-BOT-BC90162  Artemisia californica Steven A. Junak 1997-10-20 SCI- 968 Los Angeles San Clemente Island: E side of island, on coastal slopes just S of southernmost canyon in Bryce Canyon complex 54 Comment
  POM277138  Artemisia californica E. S. Steele, H. S. Pratt 1935-10-11 s.n. Los Angeles Glen Oaks Hills, Glendale Comment
  SBBG62499  Artemisia douglasiana R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  SBBG62508  Artemisia douglasiana R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  CAS-BOT-BC90342  Artemisia douglasiana L. A. Greata 1900-9-30 s.n. Los Angeles Eaton [Canon] Canyon Comment
  CAS-BOT-BC93875  Artemisia dracunculus Timothy S. Ross; Steve Boyd 1994-7-7 8162 Los Angeles Liebre Mountains - Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the Kelly Ranch 1018 Comment
  RSA777  Artemisia dracunculus J. T. Howell 1928-6-29 994 Los Angeles Near Santa Monica 76 Comment
  SFV6949  Artemisia dracunculus T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 626 Los Angeles Santa Monica Mountains First canyon east of Stokes Canyon. About 1 mile due east of Claretville Seminary. 229 Comment
  SBBG12507  Artemisia nesiotica P. H. Raven 1962-7-11 18006 Los Angeles upper end of first cyn S of Lemon Tank Comment
  POM30380  Artemisia tridentata subsp. parishii Marcus E. Jones 1900-7-10 s.n Los Angeles Palmdale. Comment
  SBBG98326  Artemisia tridentata subsp. parishii P. A. Munz 1923-11-11 7803 Los Angeles Newhall Comment
  SD252311  Arthrocnemum subterminale Steven A. Junak 2000-7-21 Sca 1387 Los Angeles Santa Catalina Island: Just inland from mouth of creek at Shark Harbor, in canyon bottom. 2 Comment
  SEINET8728663 Image available Arthrocnemum subterminale F. R. Fosberg 1931-1 S 4888 Los Angeles Little Harbor, Santa Catalina Island 5 Comment
  UCR95505  Arundo donax Steve Boyd, Lauren Raz 1996-10-8 8989 Los Angeles Liebre Mountains, Bouquet Canyon, c. 1.7 mi south of the junction with Forest Service Road 6N08 561 Comment
  UCR262010  Asclepias curassavica Randy Jeng 2015-6-7 15 Los Angeles Rowland Heights, Crosshaven Drive 152 Comment
  RSA670182  Asclepias erosa Ian Swift 2001-9-10 333 Los Angeles Lower Poison Oak Canyon 1098 Comment
  SFV2806  Asclepias fascicularis M. L. Vincent 1962-7-10 273 Los Angeles Santa Monica Mountains Dry Canyon, 0.5 miles west of Old Topanga Canyon Road. 360 Comment
  RSA302216  Asclepias fascicularis Jim Shevock 1970-6-3 272 Los Angeles [Unspecified] 610 Comment
  SBBG16837  Asclepias fascicularis M. Vincent 1962-7-10 273 Los Angeles Dry Cyn 0.5 mi W of Old Topanga Cyn Rd Comment
  HSC24295  Asclepias vestita Girina Chen 1971-5-2 26 Los Angeles 15 mi. E of Palmdale, 3 mi. N of Hwy. 138 on 167th St. in Mojave Desert 854 Comment
  CAS-BOT-BC68899  Aspidotis californica George B. Grant 1901-1-1 248 Los Angeles From Santa Monica Range Comment
  RSA0094721  Aspidotis californica R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14349 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  RSA187954  Aspidotis californica Robert F. Thorne 1966-4-28 36211 Los Angeles Santa Catalina Island: on talus from mine shaft above upper end of Renton Mine Road, Pebbly Beach Canyon 274 Comment
  RSA417665  Aster greatae Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon Comment
  RSA252897  Astragalus didymocarpus var. dispermus R. F. Thorne 1973-5-11 43554 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  RSA112058  Astragalus lentiginosus var. albifolius H. D. Ripley, R. C. Barneby 1943-6-21 5853 Los Angeles N. of Lancaster. 640 Comment
  SBBG98673  Astragalus miguelensis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5083 Los Angeles sand dunes on coastal terrace at West Cove, SW of the new landing field 6 Comment
  SD86328  Astragalus miguelensis R. Mitchel Beauchamp, M. Douglas 1972-3-24 3206 Los Angeles San Clemente Island, in sand dunes north of airstrip at Isthmus 24 Comment
  UC56521  Astragalus pycnostachyus var. lanosissimus Ernest Braunton Sept 1902 682 Los Angeles Ballona Slough Comment
  POM246540  Astragalus trichopodus P. A. Munz 1931-3-31 S- 4431 Los Angeles Avalon, Santa Catalina Island. 10 Comment
  OBI4450  Astragalus trichopodus var. lonchus Robert J. Rodin 1953-5-2 5813 Los Angeles Near White's Cove, Catalina Island Comment
  OBI13296  Astragalus trichopodus var. phoxus Robert J. Rodin 1953-5-17 5824 Los Angeles Near hwy 101, 3 mi S of Gorman Comment
  SD113697  Astragalus trichopodus var. phoxus Darley F. Howe 1954-5-9 2354 Los Angeles Malibu Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC200830  Astragalus trichopodus var. trichopodus Marcus E. Jones 1924-4-25 s.n. Los Angeles Brea Canyon Comment
  UCR192051  Athysanus pusillus A. C. Sanders 2008-4-11 34853 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, vicinity of mapped spring NW of VABM 'Pine 973 Comment
  UCSB52777  Atriplex argentea Boutin, F. 1967-4-23 Los Angeles San Clemente Island; N end of island, between NW Harbor and airstrip Comment
  RSA0073225  Atriplex canescens Bonnie C. Templeton 1931-5-17 1203 Los Angeles West of Lancaster, Mohave Desert. Comment
  POM184498  Atriplex johnstonii P. A. Munz 1932-8-31 12817 Los Angeles Playa Del Rey Comment
  RSA587181  Atriplex lentiformis Scott D. White 1995-12-5 3759 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  UCR214603  Atriplex lentiformis A. C. Sanders, Dan S. Cooper 2010-4-30 38123 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG94217  Atriplex leucophylla F. R. Fosberg 1931-5-18 4894 Los Angeles Little Harbor 20 Comment
  SEINET4075437  Atriplex leucophylla B. C. Templeton 1939-1 7264 Los Angeles Dry bluffs at China Point, San Clemente Island. Comment
  RSA478293  Atriplex orbicularis Anstruther Davidson 1896-10 2943 Los Angeles San Pedro. Comment
  CAS-BOT-BC180912  Atriplex pacifica Robert F. Thorne; P. Everett 1965-6-24 35035 Los Angeles Near small poind impounded by dam in lower Cottonwood Canyon, Santa Catalina Island 45 Comment
  SDSU19644  Atriplex pacifica Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2201 Los Angeles San Clemente Island, ca. 0.7 mile north-northwest of South Point, along ridge. 152 Comment
  CAS-BOT-BC176360  Atriplex parryi W. R. Dudley; F. H. Lamb 1896-6-4 4325 Los Angeles Lancaster Comment
  UCR201606  Atriplex semibaccata Justin M. Wood 2008-11-20 236 Los Angeles San Gabriel Mountains, ANF Road (1N36)/SCE access road west of Van Tassel Canyon, above the city of Duarte 793 Comment
  UCR95274  Atriplex serenana L. C. Wheeler 1970-8-31 s.n. Los Angeles Corner of 18th and Georgia St. Comment
  UCR238072  Atriplex suberecta Mark A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Western Transverse Range, Newhall Ranch, Salt Creek 305 Comment
  SD107833  Atriplex watsonii Robert F. Thorne 1974-9-13 45087 Los Angeles Santa Catalina Island, Catalina Harbor inside Ballast Point. 0 Comment
  RSA652771  Avena barbata Monica Acosta 1998-5-14 8 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. 225 Comment
  UCR165238  Avena barbata A. C. Sanders, Helen Kennedy 2005-4-13 29480 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  UCR258746  Avena barbata R. G. Swinney 2010-2-27 11775 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
  RSA593769  Avena fatua Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8562 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  RSA675878  Avena fatua LeRoy Gross 2003-3-23 815 Los Angeles Housing tract known as Sunhill Estates, on the south bluff overlooking the Big Tujunga Wash, in the city of Sunland. 335 Comment
  SD234236  Avena fatua A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26142 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn 7.5' Q) 487 Comment
  RSA0042316  Baccharis glutinosa Benjamin E Carter, John R. Clark, Elizabeth Baniaga 2012-7-24 6898 Los Angeles Channel Islands: Santa Catalina Island. Toyon Bay. Upper border of developed area with buildings. 24 Comment
  POM350394  Baccharis pilularis M. B. Dunkle 1928-10-17 2021 Los Angeles Howland's Landing, Santa Catalina Island. Comment
  POM350400  Baccharis pilularis F. R. Fosberg 1931-7-11 7203 Los Angeles Ridge Route near Tumble Inn,, Western Sierra Madre Mts. 1100 Comment
  RSA760716  Baccharis pilularis R. G. Swinney 2008-12-4 9932 Los Angeles Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA127457  Baccharis plummerae Peter H. Raven, Henry J. Thompson 1958-10-11 1400 Los Angeles Tuna Canyon 1.8 miles north of Coast Highway 426 Comment
  CAS-BOT-BC98167  Baccharis salicifolia H. F. Copeland 1927-12-30 1115 Los Angeles Near Azusa Comment
  SD236177  Baccharis salicifolia Sandra Murcia, Gregg Miller 2006-3-10 Los Angeles South Coast: Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 305 Comment
  JEPS40692  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1941-10-28 20646 Los Angeles Fremont Pass Comment
  UC1118900  Baccharis salicifolia subsp. salicifolia F. H. Raymond 1930-3-3 55 Los Angeles San Rafael Mountains Pasadena Quadrangle, San Rafael Mountains 243 Comment
  UC53946  Baccharis salicifolia subsp. salicifolia Ernest Braunton 1903-1-12 786 Los Angeles Laurel Canyon Comment
  UCR126786  Baccharis sarothroides Mark A. Elvin 2003-6-12 2947 Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  JEPS42575  Barbarea orthoceras Frank W. Peirson 1922-7-5 3166 Los Angeles Big Pines San Gabriel Mountains, Swartout Valley region (in the Swartout Valley region, n side of San Gabriel Mountains) 2072 Comment
  RSA650244  Beloperone guttata Charles Huston 1949-2-19 s.n. Los Angeles On campus of Whittier High School. Comment
  CAS-BOT-BC75750  Berberis nevinii J. C. Nevin 1885-1-1 s.n. Los Angeles San Fernando. Comment
  SD21403  Bloomeria crocea var. crocea Norman E. Bilderback 1938-3-16 Los Angeles Avalon, Catalina Island. Comment
  RSA482649  Boechera californica Samuel R. Tyson 1942-4-24 s.n. Los Angeles San Dimas Canyon Comment
  RSA482650  Boechera californica Frank M. Yocom 1914-5-15 s.n. Los Angeles Rubio Canyon. 731 Comment
  RSA608917A  Boechera californica L. C. Wheeler 1968-5-24 s.n. Los Angeles Smith Mountain along the Bear Creek Trail. 1219 Comment
  RSA0129468  Boechera pulchra R. G. Swinney 2008-5-2 8731 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA0129211  Boechera pulchra LeRoy Gross 2005-5-3 2235 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  JEPS63998  Bolboschoenus maritimus W. F. Parish 1891-1 Los Angeles Long Beach Long Beach (southern California) Comment
  SBBG128294  Bothriochloa barbinodis M. L. Hoefs 1991-4-16 1102 Los Angeles Renton Mine Rd 249 Comment
  RSA451999  Bowlesia incana L. C. Wheeler 1933-4-15 1637 Los Angeles San Gabriel Mountains: Foothills; W Live Oak Canyon. 488 Comment
  HSC12469  Boykinia rotundifolia Wendell Wood 1970-6-24 45 Los Angeles Switzer's Camp. Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  POM142583  Boykinia rotundifolia C. F. Baker 1904-05 4707 Los Angeles Hills near Claremont Comment
  SEINET10448254  Brassica nigra Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4795 Los Angeles Santa Catalina Island; Catalina Conservancy Land. Eastern most Bumpgate in Middle Canyon, along Middle Canyon Trail (Road). Between Middle Ranch Junction and Cape Canyon Trail. 8-9 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 250 Comment
  RSA708641  Brassica rapa Scott D. White, Brian Leatherman 2005-3-18 10799 Los Angeles City of Glendora, South Hills, just north of the I-210 Freeway. Ca. 0.3 air mi ENE of the I-210 / Sunflower intersection. 305 Comment
  RSA679064  Brassica rapa V. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 1459 Los Angeles Along Sunset Ridge Fire Road, approximately 2 km southwest of Sunset Peak. 1585 Comment
  CAS-BOT-BC100436  Brickellia californica Grinnell 1911-9-29 s.n. Los Angeles San Gabriel Mts., Bailey [Canon] Canyon Comment
  POM351118  Brickellia californica Samuel R. Tyson 1942-10-30 s.n. Los Angeles San Dimas Canyon. 457 Comment
  UCR162580  Brickellia longifolia Anuja Parikh, Nathan Gale 2004-7-9 2081 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 19), south of the river between Potrero and Salt Creek Canyons 427 Comment
  LA31689  Brickellia nevinii Peter H. Raven; Henry J. Thompson 1959-10-18 14684 Los Angeles Santa Monica Mountains, Arroyo Sequit, E fork, Yerba Buena Road, 1.0 mi N of Mulholland Hwy 518 Comment
  UC73946  Brickellia nevinii Rev. J. C. Nevin Los Angeles Newhall Mts. Comment
  UCR201828  Brickellia nevinii Scott D. White, Justin M. Wood 2008-10-7 12556 Los Angeles San Gabriel Mountains, west fork of the San Gabriel River, between Bear Creek and Rincon Red Box Road 220 Comment
  SEINET10896160  Brodiaea capitata Paul O. Schallert 1944-4-26 Schallert s.n. 1944 Los Angeles Monrovia Canyon, Calif. Comment
  SEINET12044749  Brodiaea minor S. B. Parish 1887-1 s.n. Los Angeles Elizabeth Lake Comment
  RSA376787  Brodiaea terrestris subsp. kernensis Anstruther Davidson 1890-4-27 s.n. Los Angeles Sunnyside L.A. Comment
  CAS-BOT-BC144162  Bromus arenarius Timothy S. Ross; Steve Boyd 1994-5-4 7671 Los Angeles Liebre Mountains. Northeast summit of Grass Mountain. North slopes draining toward Elizabeth Lake. South slopes toward Green Valley. 1389 Comment
  RSA385300  Bromus arizonicus Anstruther Davidson 1917-04 3178 Los Angeles E. Los Angeles. Comment
  CAS-BOT-BC149412  Bromus berteroanus A. C. Sanders; D. Malueg; K. D. Jones 1998-6-22 21990 Los Angeles San Gabriel Mountains. Soledad Pass area at north foot of mountains, ca. 5 miles southwest of Palmdale, along CE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation. 1000 Comment
  POM363996  Bromus berteroanus George B. Grant 1905-4-15 779 Los Angeles Pasadena. Comment
  UCR270099  Bromus berteroanus R. G. Swinney 2011-4-20 14438 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  CATA2952  Bromus carinatus Sarah Ratay, Lauren Danner 2006-4-12 95 Los Angeles Santa Catalina Island 0 Comment
  UC1137107  Bromus carinatus var. carinatus August L. Hormay 1932-7-30 Los Angeles vicinity of Los Angeles Comment
  CATA1063  Bromus diandrus Mark L. Hoefs 1995-5-16 2003 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  RSA0036300  Bromus diandrus LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6976 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
  RSA599354  Bromus diandrus L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  RSA656418  Bromus diandrus Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 674 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  RSA660814  Bromus diandrus Gerald Braden 1988-5-22 34 Los Angeles Strawberry Peak., UTM 379652 N. 39744 E. [inaccurate UTM] Comment
  SBBG56612  Bromus diandrus R. Hoffmann 1929-4-26 Los Angeles near Camulos Comment
  LA200938  Bromus diandrus Norman A. Cole; May 1964 322 Los Angeles SANTA MONICA MOUNTAINS, 1.3 mi from Pacific Coast Hwy along Rambla Pacifico. 60 Comment
  UC535049  Bromus hallii Victor Duran 1933-7-20 3521 Los Angeles San Gabriel Mountains, Buckhorn Buckhorn; San Gabriel Mountains, Buckhorn 1981 Comment
  CATA41  Bromus hordeaceus USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 22 Los Angeles Santa Catalina Island: Deer Valley Trail 42 Comment
  RSA592403  Bromus hordeaceus Mark Hoefs, D. Propst 1974-5-10 458 Los Angeles Santa Catalina Island: ridge between Cottonwood and Sweet Water Canyons 61 Comment
  RSA594998  Bromus hordeaceus Mark Hoefs, R. F. Thorne 1992-4-1 1734 Los Angeles Santa Catalina Island: past isthmus, just before Emerald Bay. 15 Comment
  RSA599844  Bromus hordeaceus Steve Boyd, Lauren Raz 1997-5-6 9761 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UCR126653  Bromus hordeaceus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26119 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
  UCSB12226  Bromus hordeaceus Hochberg, Fred 1961-3-17 Los Angeles Below Cape Canyon Dam; Black Jack Ranch; Cape Canyon, Catalina Island Comment
  LA13777  Bromus madritensis Carl Epling; April 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  CDA1842  Bromus madritensis subsp. madritensis L. C. Wheeler 1975-4-27 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Fish Canyon.. . 0 Comment
  RSA623468  Bromus madritensis subsp. madritensis L. C. Wheeler 1975-4-27 s.n. Los Angeles San Gabriel Mountains: Fish Canyon. Comment
  UCR101190  Bromus madritensis subsp. madritensis L. C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mtns., c. 1 mi east of mouth of Little Tujunga Canyon Comment
  CATA953  Bromus madritensis subsp. rubens Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1818 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  SEINET10523822  Bromus rigidus Meryle B. Dunkle 1939-5-30 Dunkle 8139 Los Angeles Canyon bank, east side landing Santa Barbara Island. Comment
  RSA656162A  Bromus rubens Joseph M. Keefe 1978-4-20 22726 Los Angeles South east corner of Golden State Freeway (Interstste Hwy. 5), and Ventura Freeway (Calif. Hwy. 134),400 meters west of Los Angeles River. 140 Comment
  RSA656184  Bromus rubens Joseph M. Keefe 1978-4-28 22839 Los Angeles Verdugo Mountains; Henderson Canyon, Mesa Lila Fire Road, 1 Km west of El Lado Road, under Edison Power Line, La Crescenta. 488 Comment
  RSA719091  Bromus rubens Naomi Fraga, Jorge Arriaga 2002-4-28 76 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. S slope of Box Canyon. Comment
  POM364048  Bromus sterilis Donald Tahara 1975-5-8 69 Los Angeles 0.5 mile east of mouth of West Trail, .25 mile North of Ferndell Park. Comment
  RSA729314  Bromus tectorum R. G. Swinney 1998-7-2 6222 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  OBI2547  Bromus tectorum Larry E. Brown 1970-5-2 1792 Los Angeles In northern foothills of the San Gabriel mts ca. 0 mi S of Joshua Tree State park Comment
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Nov 11 2014
  SEINET3840848  Bromus tectorum Unknown 1968-4-17 Los Angeles San Gabriel Mountains 1150 Comment
  LA201902  Caesalpinia gilliesii Arthur C. Gibson; 2003-5-25 4906 Los Angeles 496 Comment
  SDSU158  Cakile maritima R. M. Beauchamp 1967-3-19 324 Los Angeles San Clemente Island. Comment
  SEINET4087346  Calandrinia ciliata M. B. Dunkle 1939-1 7134 Los Angeles San Clemente Island. Comment
  UCR192124  Callitriche marginata A. C. Sanders 2008-4-16 34910 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, 0.3 mi. north of Hwy 138 on the east side of the cement plant road, 0.8 mi. E of Quail Lake 1020 Comment
  UCR258510  Calocedrus decurrens R. G. Swinney 2010-9-13 13810 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  CAS-BOT-BC132266  Calochortus catalinae George B. Grant; Walter Wheeler 1904-4-21 126 a/1847 Los Angeles On Santa Catalina Island, Pacific Ocean, off southern California Comment
  CAS-BOT-BC132273  Calochortus catalinae Le Roy Abrams 1901-4-3 1266 Los Angeles Santa Monica Mts. Comment
  CATA1047  Calochortus catalinae Mark L. Hoefs 1995-5-10 1975 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  LA22345  Calochortus catalinae Mary Reynolds; 1937-4-29 152 Los Angeles Highland Park Comment
  RSA377297  Calochortus catalinae Anstruther Davidson 1890-3-30 s.n. Los Angeles Foot hills L.A. Comment
  UCD139492  Calochortus clavatus Gerald Dickinson 1962-5-19 42 Los Angeles 3 miles west of Topanga Canyon-Mulholland, Santa Monica Mountains. 356 Comment
  RSA600477  Calochortus clavatus var. gracilis Steve Boyd, Lauren Raz 1997-4-30 9619 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
  UCR193442  Calochortus kennedyi R. G. Swinney 1999-6-5 7276 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  UCR223011  Calochortus kennedyi R. G. Swinney 2009-5-5 10628 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA586982  Calochortus kennedyi var. kennedyi Orlando Mistretta 1992-5-8 314 Los Angeles Slopes east of Little Rock Creek Reservoir. 1159 Comment
  RSA651580  Calochortus splendens D. Bartholomew 1961-5-20 s.n. Los Angeles San Antonio Heights. Comment
  RSA377462  Calochortus splendens Louis C. Wheeler 1934-4-27 2570 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  SD125881  Calochortus splendens Lyman Benson 1945-5-11 12083 Los Angeles Midway between Pomona and Brea, in the Puente Hills. Pacific Slope Drainage. 274 Comment
  RSA377442  Calochortus striatus Anstruther Davidson 1893-5-10 s.n. Los Angeles Lancaster. Comment
  SEINET3885387  Calochortus venustus K. Dobry 1992-1 d 1065 Los Angeles South end of Las Virgenes Reservoir at the south end of Lindero Canyon. City of Westlake, Santa Monica Mountain.; 0 Comment
  UCR51556  Calycadenia tenella Lyman Benson 1957-5-23 15730 Los Angeles Claremont 489 Comment
  CHSC8092  Calystegia Edward L. Smith 1958-4-5 464 Los Angeles Located in Live Oak Canyon near Live Oak Dam, San Gabriel Mountains. 457 Comment
  RSA232663  Calystegia macrostegia subsp. macrostegia G. D. Wallace 1972-9-2 694 Los Angeles San Clemente Islands, below barracks area in small canyon at Wilson Cove. Comment
  RSA394923  Calystegia macrostegia subsp. macrostegia C. B. Liter, J. A. Powell 1928-4-3 s.n. Los Angeles Above Coach Road W. of Wrigley's, Catalina island. Comment
  UCR150005  Calystegia malacophylla Scott D. White 2004-5-5 10289 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  RSA678316  Calystegia peirsonii Valerie L. Soza, S. D. Boyd 2002-4-10 1397 Los Angeles Del Sur Ridge, east side of Haskell Canyon, approx. 0.5 mile south of peak '2508'. Stables Fire 2001 area. 579 Comment
  UC1794938  Calystegia peirsonii R. K. Brummitt and S. D. Boyd 1998-5-25 20027 Los Angeles 10 km NE of Castaic, San Francisquito Canyon just N of powerhouse below Drinkwater Res 485 Comment
  RSA764517  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-3 2627 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 31 per TRTP Survey 2008), in the vicinity of Portal Ridge, SE of Elizabeth Lake Rd. 958 Comment
  RSA394818  Calystegia sepium subsp. limnophila Anstruther Davidson 1912-07 2910 Los Angeles [Unspecified] Comment
  RSA594653  Camissonia bistorta Louis C. Wheeler 1967-7-30 10265 Los Angeles San Gabriel Mountains. Big Cienaga Trail Canyon. 1143 Comment
  RSA760560  Camissonia bistorta R. G. Swinney 2009-3-6 10054 Los Angeles 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  RSA159484  Camissonia bistorta P. A. Munz 1928-5-1 11063 Los Angeles 3 miles north of Claremont, recently worked roadside. 500 Comment
  UCD103352  Camissonia campestris D. C. Finfrock 1950-4-21 24 Los Angeles 2.5 miles from Gorman on road to Lancater. Comment
  RSA497610  Camissonia campestris subsp. campestris A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7773 Los Angeles Mojave Desert, near Quartz Hill in Lancaster. S of Avenue L at 37th St. West 747 Comment
  RSA600030  Camissonia campestris subsp. campestris Steve Boyd, Lauren Raz 1997-3-25 9250 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
  UCD103401  Camissonia campestris subsp. campestris J. M. Tucker 1962-4-18 3619 Los Angeles Oso Canyon, 1.5 miles SE of Hamilton Field gate. 1188 Comment
  RSA545201  Camissonia hirtella Tim S. Ross 1992-5-17 6337 Los Angeles San Gabriel Mountains: center W side of the San Gabriel Reservoir; short easterly spur canyon along Highway 39. 463 Comment
  UCR217135  Camissonia hirtella R. G. Swinney 2009-3-20 10139 Los Angeles San Gabriel Mtns. Foothills, Azusa/Irwindale, mouth of San Gabriel River Canyon, 100-400 m north of I-210 Fwy, 300 m east of the river channel 177 Comment
  RSA229076  Camissonia hirtella Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38839 Los Angeles San Gabriel Mts., Angeles National Forest: Chilao area sandy roadbank on Angeles Crest Hwy. 1524 Comment
  RSA243669  Camissonia micrantha F. R. Fosberg 1931-3-20 4315 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 2 Comment
  RSA678388  Camissonia micrantha Valerie L. Soza, LeRoy Gross 2002-4-3 1371 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  RSA724758  Camissonia micrantha K. Dobry 1991-3-16 d- 806 Los Angeles Santa Monica Mts. Lower Cold Creek Cyn. Montifisher Property. Comment
  RSA535274  Camissonia robusta Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5320 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  UC52255  Camissonia strigulosa Pupils of Los Angeles High School Apr. 1903 Los Angeles Los Angeles Comment
  JEPS33689  Camissoniopsis bistorta John Thomas Howell 1928-3-20 3456 Los Angeles Vermont Canyon Los Angeles, Griffith Park Comment
  SD186261  Camissoniopsis bistorta A. C. Sanders, Andy Thompson 2003-4-15 26017 Los Angeles Newhall Ranch, 500 ft. south of Magic Mountain theme park. 351 Comment
  SDSU3316  Camissoniopsis bistorta H. Wedberg 1957-4-6 Los Angeles Point Dume, 74.8 Comment
  SFV2535  Camissoniopsis lewisii K. A. Wilson 1962-3-25 1253 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon west of Bee Canyon, north of River's End Ranch. 610 Comment
  SBBG78752  Camissoniopsis micrantha F. R. Fosberg 1931-3-20 4315 Los Angeles mouth of Hamilton Cyn 2 Comment
  RSA0126607  Cannabis Mr. Turney 1973-11-5 77985 Los Angeles [No location data on label.] Comment
  RSA650987  Capsella bursa-pastoris Richard Clark 1969-5-9 s.n. Los Angeles 8669 Arroyo dr. S. San Gabriel. Comment
  RSA658633  Capsella bursa-pastoris R. W. Hufstader 1971-3-22 36 Los Angeles Collected at Puddingstone Resevoir. Off San Dimas Rd. at entrance to resevoir. 213 Comment
  UCD114196  Cardamine californica Daryl Koutnik; John Cuti 1978-4-12 337 Los Angeles Verdugo Mountains, south of La Tuna Canyon Road. 579 Comment
  UCR13469  Cardamine californica 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
  LA86169  Cardamine californica var. californica Karen Bartholemew; 1966-2-20 0 4 Los Angeles Santa Monica Mountains, Little Sycamore Canyon, 3.3 mi from US Hwy 101 on Little Sycamore Canyon Rd 365 Comment
  RSA748834  Cardamine oligosperma Justin M. Wood 2009-4-13 480 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  CDA19946  Cardaria chalepensis J. Santos 2002-7-1 PDR 053581 Los Angeles Southern California; 98th St W & Leona Valley Ave. 0 Comment
  UCR157685  Carduus pycnocephalus Scott D. White 1994-7-18 2278 Los Angeles San Gabriel Mtns., San Dimas Canyon; along San Dimas Wash 335 Comment
  RSA659539  Carduus pycnocephalus Monica Acosta 1998-5-19 12 Los Angeles The Voorhis Ecological Reserve at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  SD31305  Carex . Ritter 1931-3-29 2022 Los Angeles Near Pasadena Comment
  UCR203255  Carex R. G. Swinney 2001-8-27 8125 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
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Sep 12 2018
  UCR256833  Carex R. G. Swinney 2010-10-13 14017 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
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Sep 12 2018
  RSA639718  Carex athrostachya L. C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  RSA607810  Carex fracta L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mountains: East Fork Alder Creek off Big Tujunga, at below Charlton Flat; future dam site. Comment
  POM1462  Carex globosa I. M. Johnston 1918-9-1 2132 Los Angeles Canyon (Fern C.) north of Brown's Flats. 1280 Comment
  UCR190759  Carex pellita R. G. Swinney 1999-7-5 7498 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
  RSA589146  Carex senta Orlando Mistretta 1994-5-13 1193 Los Angeles San Gabriel Mts; Little Rock Creek; slopes E of creek opposite confluence with Kitter Canyon 1067 Comment
  UC212021  Carex senta D. L. Crawford 1916-3-29 732 Los Angeles Topango[sic] Canyon Santa Monica Mountains Comment
  SEINET7575826  Carex spissa Louis C. Wheeler 1975-1 Los Angeles Comment
  RSA771620  Carex triquetra D. Propst 1972-05 RFT- 42166 Los Angeles Santa Catalina Island. Comment
  UCR97794  Carpobrotus edulis Scott D. White 1997-3-12 4731 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA702080  Carthamus tinctorius Scott D. White, Pam De Vries 2004-5-18 10444 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UCR126998  Castilleja affinis A. C. Sanders 2003-6-19 26969 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR157910  Castilleja affinis Robert J. Steers 2005-5-8 12 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  SFV3325  Castilleja affinis C. Casser 1956-3-2 Los Angeles Santa Monica Mountains 0.5 miles from Highway 101 on Malibu Canyon Road. Roadside. 366 Comment
  JEPS27407  Castilleja affinis subsp. affinis Peter H. Raven 1959-3-15 15357 Los Angeles 2.1 mi e Rambla Pacifica (Piuma Road); Santa Monica Mountains 487 Comment
  UCSB6028  Castilleja applegatei subsp. martinii B., K. 1943-6-14 Los Angeles Fern Springs, San Dimas Experimental Forest, San Gabriel Mountains Comment
  SD215664  Castilleja exserta Steve Boyd, Lauren Raz 1997-3-14 9178 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg 1213 Comment
  UCR155141  Castilleja exserta A. C. Sanders 2005-5-5 29944 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  UCR186474  Castilleja exserta T. B. Salvato 2007-4-27 2096 Los Angeles Tehachapi Mountains Foothills, Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek 1098 Comment
  RSA509591  Castilleja foliolosa Louis C. Wheeler 1967-5-24 9728 Los Angeles San Gabriel Mountains, Angeles National Forest: Indian Canyon, Sec. 17 793 Comment
  HSC20512  Castilleja foliolosa C. S. Apperson 1967-6-15 Los Angeles 4 mi. up Haskell Canyon Rd. off Bouquet Canyon Rd. Comment
  UC1018207  Castilleja foliolosa J. Warren 1952-5-3 Los Angeles Mt. Baldy 1219 Comment
  RSA0019746  Castilleja gleasoni Naomi Fraga, Emily Biben, Katie VinZant, Dani Henning 2013-7-12 4339 Los Angeles Of FS Road 3N17 near Mount Gleason. 1890 Comment
  POM153323  Castilleja linariifolia Philip A. Munz, I. M. Johnston 1928-9-4 11164 Los Angeles North of Rock Creek, Mohave Desert. 1006 Comment
  JEPS8629  Castilleja minor subsp. spiralis Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco; Los Angeles Comment
  UCR240005  Castilleja minor subsp. spiralis R. G. Swinney 2009-11-9 11588 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA652659  Castilleja plagiotoma Marion P. Harthill 1974-4-22 1657 Los Angeles Mojave Comment
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Jan 4 2012
  RSA730547  Castilleja plagiotoma Robert F. Thorne 1973-5-11 43461 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
  UCR150054  Castilleja plagiotoma Orlando Mistretta 1992-5-18 343 Los Angeles Transverse Ranges; San Gabriel Mtns., Hunt Canyon shooting area, Angeles National Forest. Mount Emma Rd., 2 mi west of Little Rock Dam Comment
  UCR238988  Castilleja subinclusa subsp. subinclusa Anuja Parikh, Nathan Gale 2010-5-24 3212 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 5.0 km west of State Hwy 14, 1.6 km southwest of California Aqueduct, under powerlines 1005 Comment
  SEINET4671057  Casuarina Leila M. Shultz 1981-11-18 5729 Los Angeles Arcadia, Los Angeles County Arboretum, along North Baldwin avenue Comment
  UCR198321  Casuarina equisetifolia Christopher Vellema 2001-1-19 101 A Los Angeles Verdugo Mtns, Glendale, Dead Horse Canyon 354 Comment
  SBBG72104  Caulanthus amplexicaulis var. amplexicaulis W. Sweet 1930-6-12 Los Angeles near N Baldy Pk Comment
  SEINET3507682 Image available Caulanthus coulteri A. C. Sanders, E. J. Lawlor 1988-4-3 7741 Los Angeles Southwestern end of the Tehachapi Mountains, one mile NW of Gorman on a gasline road, 0.4 mi. above the old highway. Comment
  UCSB40780  Caulanthus coulteri Steele, Kelly 1980-5-11 Los Angeles 1.1 miles south of Gorman on east unnamed frontage road 1127 Comment
  RSA152194  Caulanthus heterophyllus Wesley O. Griesel 1962-3-31 s.n. Los Angeles Corell Post Office, Santa Monica Mts. 152 Comment
  RSA0080771  Caulanthus lasiophyllus var. rigidus R. G. Swinney 2010-5-19 12790 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  UCSB7073  Ceanothus arboreus Lloyd, Robert 1959-3-31 Los Angeles North side of 3rd, street across from Mudd Hall near intersection of 3rd & College Way on Pomona College 365 Comment
  LA30360  Ceanothus cordulatus Mary V. Hood; 1944-8-15 44- 123 k* Los Angeles Buckhorn Flats 1981 Comment
  RSA729652  Ceanothus cordulatus R. G. Swinney 1998-7-2 6251 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  CAS-BOT-BC48738  Ceanothus crassifolius Vernon Bailey 1907-10-29 s.n. Los Angeles Fernando Comment
  RSA279107  Ceanothus crassifolius Robert F. Thorne 1971-3-25 41504 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  UC1071000  Ceanothus crassifolius R. St. John 1933-3-22 351 Los Angeles Las Llagas Canyon Santa Susana quad 670 Comment
  UCR205102  Ceanothus crassifolius R. G. Swinney 2008-4-11 8664 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCSB7072  Ceanothus crassifolius Lloyd, Robert 1959-3-4 Los Angeles 1/2 mile south of dam in San Dimas Canyon. Stream bed on west side of San Dimas Canyon Road. 365 Comment
  CAS-BOT-BC49265  Ceanothus cuneatus Carl B. Wolf; E. Norland 1941-7-1 11244 Los Angeles Rancho Santa Ana Botanic Garden - Prop. #4226 - Origin of propataion material - 6 3/10 mi. W. of Palmdale 883 Comment
  UCR155626  Ceanothus cuneatus A. C. Sanders 2005-5-11 30138 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UCR191699  Ceanothus greggii A. C. Sanders 2008-4-23 35090 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  RSA344273  Ceanothus megacarpus Peter H. Raven, Robert F. Thorne 1964-5-7 19028 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  SD45616  Ceanothus megacarpus Darley F. Howe 1953-5-2 Los Angeles Wain Canyon, Catalina Island Comment
  RSA177788  Ceanothus megacarpus var. insularis Robert F. Thorne, Percy C. Everett 1965-5-10 34445 Los Angeles Black Jack Mt., few hundred feet below summit; Santa Catalina Island 488 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
  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
  LA43645  Ceanothus oliganthus A. M. Johnson; 1934-3-16 4343 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA0038926  Ceanothus oliganthus var. oliganthus R. G. Swinney 2009-3-10 10058 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SBBG68505  Ceanothus oliganthus var. oliganthus M. N. Ackley -Apr-1929 Los Angeles La Crescenta 487 Comment
  UC775005  Ceanothus oliganthus var. oliganthus Carl B. Wolf 1941-8-2 11134 Los Angeles 2.7 mi s Frenchman Flats Forest Service Camp; Liebre Mts. Comment
  UCR147711  Ceanothus oliganthus var. oliganthus Valerie Soza, Et al. 2000-6-27 1032 b Los Angeles San Gabriel Mountains, Firebreak above Upper Winter Creek Trail, c. 2 mi NW of Chantry Flat along FSR 2N41.2 N of San Olene Canyon 823 Comment
  RSA762411  Ceanothus oliganthus var. oliganthus Orlando Mistretta, Christine Mistretta 2008-5-9 3010 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 Comment
  RSA77698  Ceanothus oliganthus var. sorediatus F. W. Peirson 1920-4-26 732 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  HSC18381  Ceanothus spinosus D. E. Anderson 1966-4-6 47 Los Angeles 1.0 mi S of Topanga on Hwy. 27 Comment
  RSA398965  Ceanothus thyrsiflorus J. Caraine 1932-3-28 15732 Los Angeles San Marino Comment
  RSA0028423  Ceanothus verrucosus Doris Bowers 1957-3-6 630 Los Angeles LaVerne College lawn (University of LaVerne) 457 Comment
  PASA2520  Ceanothus vestitus Sally Ellis 1939-5-5 Los Angeles Mohave desert Comment
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Nov 20 2014
  UCD148360  Centaurea diluta G. C. Fleischman 1952-6-9 s.n. Los Angeles corner of Antwerp and Imperial Aves., Los Angeles. Comment
  CAS-BOT-BC272068  Centaurea melitensis Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass, Los Angeles - Ventura line Comment
  RSA670211  Centaurea melitensis Joseph M. Keefe 2001-3-19 31149 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  SEINET4044544 Image available Centaurea melitensis D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  POM304736  Centaurea melitensis Henry J. Ramsey, Henry J. Ramsey 1937-5-16 144 Los Angeles Altadena, N. Craig Ave. Comment
  RSA567162  Centrostegia thurberi Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3898 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
  UCR280754  Centrostegia thurberi R. G. Swinney 2014-4-30 16271 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  CAS-BOT-BC179815  Centrostegia thurberi Alderson s.n. Los Angeles Antelope Valley Comment
  CATA1214  Cerastium glomeratum Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2270 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  RSA597736  Ceratophyllum demersum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3792 Los Angeles Vicinity of Crystal Lake 1677 Comment
  POM156313  Cercocarpus betuloides L. R. Abrams 1903-3-11 3116 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  POM275798  Cercocarpus betuloides Floyd L. Martin 1948-8-3 359 Los Angeles 100 yds. N. of Foothill Blvd. road to Camp Baldy, east of Claremont. 366 Comment
  CAS-BOT-BC135511  Cercocarpus betuloides var. betuloides Timothy S. Ross; Steve Boyd 1994-5-25 7925 Los Angeles Necktie Basin: Haning basin ca 470-830 m W of Warm Springs Mtn summit.These collections from ca 600-800 m WSW of summit - Liebre Mountains 1075 Comment
  CAS-BOT-BC142114  Cercocarpus betuloides var. betuloides Carl B. Wolf 1932-5-10 3505 Los Angeles Avalon Canyon, above the last almond orchard - Santa Catalina Island 121 Comment
  LA33472  Cercocarpus betuloides var. betuloides Peter H. Raven; Henry J. Thompson 1959-4-3 13915 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, N-facing side of summit. 838 Comment
  LA52111  Cercocarpus betuloides var. betuloides C. & M. Epling; 1925-4-25 Los Angeles Santa Monica Mountains, Griffith Park Comment
  LA91432  Cercocarpus betuloides var. betuloides Bruce Douglas Clayton; Greg Shaw 1972-3-30 32 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, halfway out Drawbridge firebreak. 609 Comment
  SBBG17472  Cercocarpus betuloides var. betuloides K. A. Wilson 1962-5-12 1278 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  RSA304754  Cercocarpus betuloides var. blancheae E. R. Blakley 1962-10-6 5478 Los Angeles Catalina Island. Bullrush Canyon south of Middle Ranch. 229 Comment
  UC1211137  Cercocarpus betuloides var. blancheae Huron H. Smith 1912-6-12 5096 Los Angeles Cherry Canyon, Santa Catalina Island. 304 Comment
  UC859432  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-10-4 5182 Los Angeles back of St. Catherine's Hotel (Avalon, Santa Catalina Island); Santa Catalina Island, Avalon 22 Comment
  SEINET6099582  Cercocarpus montanus Unknown 1972-12-20 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA507980  Chaenactis artemisiifolia Steve Boyd, Timothy S. Ross 1988-4-28 2235 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA549169  Chaenactis artemisiifolia Timothy S. Ross, Peter Fritsch 1990-6-20 3650 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon. 1329 Comment
  RSA003840  Chaenactis glabriuscula Fay A. MacFadden 1930-06 1993 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  UCR126718  Chaenactis glabriuscula A. C. Sanders, Mark Elvin 2003-4-14 25950 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR277047  Chaenactis glabriuscula R. G. Swinney 2010-6-8 13222 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  UCR277146  Chaenactis glabriuscula R. G. Swinney 2011-6-15 15207 Los Angeles San Gabriel Mountains, Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy 1631 Comment
  CAS-BOT-BC277349  Chaenactis glabriuscula var. glabriuscula Grant 1898-4-12 5733 Los Angeles Lincoln Park Comment
  CAS-BOT-BC277366  Chaenactis glabriuscula var. glabriuscula Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel River Comment
  CAS-BOT-BC277373  Chaenactis glabriuscula var. glabriuscula Alice Eastwood 1906-5-27 235 Los Angeles Roscoe Comment
  SBBG65581  Chaenactis glabriuscula var. glabriuscula R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  POM351821  Chaenactis stevioides Anstruther Davidson 1895-5-8 s.n. Los Angeles Manzana Comment
  RSA94402  Chaenactis stevioides F. W. Peirson 1923-5-25 3522 Los Angeles along stream on south side of canyon of Rock Creek, San Gabriel Mountains. 1296 Comment
  RSA0068307  Chamaesyce albomarginata R. G. Swinney 2010-5-12 12705 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA638182  Chamaesyce melanadenia L. C. Wheeler 1969-3-9 s.n. Los Angeles San Gabriel Mountains: Ridge between mouth of Big & Little Dalton Canyon. 350 Comment
  UC17645  Chamaesyce melanadenia William H. Brewer Dec 14 1860-Dec 19 1860 54 Los Angeles Sierra Santa Monica; Camp 2 Comment
  POM2806  Chamaesyce melanadenia Jack Kellogg s.n. Los Angeles Claremont. 305 Comment
  RSA432396  Chamaesyce melanadenia H. E. Hasse 1890-4-27 s.n. Los Angeles Los Angeles Range. Comment
  UC450976  Chamaesyce polycarpa Fay A. Macfadden 1931-3-4 43 E Los Angeles Tuna Canyon Verdugo Hills Comment
  CDA20448  Chasmanthe floribunda M. O'Brien 2003-2-16 s.n. Los Angeles South Coast; El Pescador State Beach in Malibu. 0 Comment
  RSA685795  Cheilanthes newberryi M. B. Dunkle 1939-4-3 7230 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  UC452541  Chenopodium I. J. Condit Los Angeles Alhambra Comment
  UCR127652  Chenopodium album var. lanceolatum A. C. Sanders 2003-5-22 26808 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  UCR282139  Chenopodium berlandieri R. G. Swinney 2014-5-15 16547 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  RSA706649  Chenopodium botrys A. C. Sanders, Mark Elvin 2002-6-20 25218 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UC1586209  Chenopodium botrys Tim Ross 1991-8-16 5801 Los Angeles 1/5 mi due e confluence of Lucas Creek (Angeles Forest Hwy); Condor Peak USGS 7.5' quad, Big Tujunga Canyon 917 Comment
  RSA478482  Chenopodium californicum Ora M. Clark 1929-4-30 1899 Los Angeles W. Lancaster Comment
  SBBG130699  Chenopodium californicum S. A. Junak 2000-5-6 SCa 1275 Los Angeles just W of Upper Quarry Rd, above Empire Landing, ca. 2.0 mi W of intersection with rd to housing at Empire Landing 292 Comment
  UCD98129  Chenopodium californicum A. C. Sanders; E. J. Lawlor 1988-4-3 7743 Los Angeles Southwestern end of the Tehachapi Mountains, one mile NW of Gorman on a gasline road, 0.4 mi. above the old highway. 1280 Comment
  RSA595523  Chenopodium californicum 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
  RSA729382  Chenopodium fremontii R. G. Swinney 1998-7-14 6457 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 Comment
  UCR282024  Chenopodium murale R. G. Swinney 2014-5-21 16615 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA4812  Chenopodium murale James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Station #4, Plant #3. Comment
  RSA597170  Chenopodium pumilio L. C. Wheeler 1950-9-10 6787 Los Angeles San Gabriel Mountains. San Dimas Canyon Dam. 434 Comment
  UCR105986  Chenopodium rubrum L. C. Wheeler 1968-9-16 s.n. Los Angeles Liebre Mtns, Una Lake, near Palmdale Comment
  SBBG132190  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-11 2164 Los Angeles 1.2 km SE of Hwy 126, 2.8 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 330 Comment
  CAS-BOT-BC244659  Chorizanthe staticoides LeRoy Abrams 1902-6-16 2554 Los Angeles Sepulveda Canyon, Santa Monica mountains Comment
  RSA608836  Chorizanthe staticoides Louis C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring Canyon. 945 Comment
  RSA616370  Chorizanthe staticoides Scott D. White, Pam De Vries 1998-4-20 6325 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  RSA653132  Chorizanthe staticoides A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21987 Los Angeles San Gabriel Mtns.: Soledad Pass area at N foot of mtns, ca. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation., [UTM 10km cell: 11S LJ-9E, 1N. Soledad Canyon] 984 Comment
  RSA733364  Chorizanthe staticoides A. C. Sanders 2003-6-20 27002 Los Angeles Western Transverse Range/Santa Clara River Watershed: 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy. 126 and ca. 1km NNW of Mayo Spur. 305 Comment
  RSA303937  Chorizanthe staticoides James R. Shevock 1971-5-11 1053 Los Angeles Old Sierra Highway near Soledad Junction 518 Comment
  UC1870209  Chorizanthe watsonii LeRoy Gross 2005-5-3 2255 Los Angeles Transverse Ranges; San Gabriel Mountains region; West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Comment
  RSA778922  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2010-6-2 5242 Los Angeles Mill Creek Canyon, 1.40 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1348 Comment
  POM351979  Chrysothamnus nauseosus subsp. hololeucus L. E. Hoffman 1931-11-9 s.n. Los Angeles Mojave Desert, Little Rock Creek. Comment
  CAS-BOT-BC280030  Cirsium mohavense Roxana S. Ferris 1918-6-12 904 Los Angeles Between Oban and Lancaster Comment
  LA200182  Cirsium occidentale var. occidentale Jonathan Sauer; J. Habeck, D. Bradbury 1969-5-21 4553 Los Angeles Santa Monica Mountains, above Encino 396 Comment
  POM352182  Cirsium occidentale var. occidentale T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon Rd. San Gabriel Mts. 915 Comment
  POM352200  Cirsium occidentale var. occidentale Samuel R. Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon 366 Comment
  UCR167318  Cirsium occidentale var. venustum Scott D. White, A. Warniment 2005-9-9 11220 Los Angeles Tehachapi Mtns, Oso Canyon, c. 1-2 air miles north of Quail Lake 1067 Comment
  RSA0059675  Cirsium occidentale var. venustum Tim Ross, Orlando Mistretta, Alex Quici 1990-6-28 3980 Los Angeles Liebre Mtn: southerly slope to the S and SW of the West Summit and ridge to its W., West Summit here construed as the 5605-foot knoll nr the intersection of sections 3, 4, 9, 10. 1389 Comment
  RSA620159  Cirsium vulgare L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Foster Ranch, Sycamore Canyon. South slope Johnstone Peak 731 Comment
  UCR260332  Cirsium vulgare R. G. Swinney 2010-5-4 12545 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA791868  Cissus hypoglauca Robert F. Thorne 1977-7-6 49641 Los Angeles Claremont. Comment
  CAS-BOT-BC438757  Cistanthe monandra Alice Eastwood 1919-6-20 9023 Los Angeles Mt. Wilson Comment
  RSA606012  Cistanthe monandra L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground 1433 Comment
  RSA762288  Cistus creticus Orlando Mistretta, Christine Mistretta 2008-5-5 2648 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  CAS-BOT-BC223894  Cistus ladanifer Tim Ross; Walter Appleby 1993-5-13 7112 Los Angeles Western San Gabriel Mtns: May Canyon Saddle 1115 Comment
  SBBG60272  Clarkia amoena M. N. Ackley -Aug-1925 744 Los Angeles Eagle Rock 182 Comment
  POM153231  Clarkia bottae C. L. Hitchcock 1928-5-3 50 Los Angeles Beverly Hills. 250 Comment
  POM153240  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-6-2 1 Los Angeles 1/8 mile north of Newhall Tunnel. 152 Comment
  RSA756740  Clarkia dudleyana R. G. Swinney 2008-6-24 9097 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  UCR206120  Clarkia dudleyana R. G. Swinney 2008-5-30 8904 Los Angeles San Gabriel Mtns., San Gabriel Canyon near El Encanto, 200 m west of entrance along Hwy 39 232 Comment
  RSA3731  Clarkia epilobioides Carl B. Wolf 1932-5-10 3521 Los Angeles Equestrian trail back of Avalon. Santa Catalina [Island]. 244 Comment
  UC450944  Clarkia epilobioides Fay A. MacFadden 1931-4-10 2600 Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA448324  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles La Crescenta. Comment
  RSA600192  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Lauren Raz 1997-5-29 9906 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  POM3161  Clarkia rhomboidea L. R. Abrams, E. A. McGregor 1908-6-19 341 Los Angeles Oak Grove Canyon, Liebre Mts. 1067 Comment
  UCR273565  Clarkia rhomboidea R. G. Swinney 2011-6-15 15180 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  CHSC96309  Clarkia unguiculata LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 949 Los Angeles Transverse Ranges: Verdugo Mountains region: West end of the mountains: At junction (saddle) of Verdugo Motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway) Basically a triangle. UTM Zone: 3787689N 0378361E. 563 Comment
  RSA448596  Clarkia unguiculata Howard Mullins 1931-5-15 s.n. Los Angeles Griffith Park. Comment
  UC1122465  Clarkia unguiculata A. D. Gifford 1935-5-8 679 Los Angeles 2 1/2 mi s Warm Springs; Angeles National Forest, Tejon Quadrangle Comment
  SEINET3860415  Claytonia parviflora R. G. Swinney 2009-4-24 10499 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creekm ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  UCR191672  Claytonia parviflora T. B. Salvato 2008-4-22 3310 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  RSA656486  Claytonia parviflora subsp. parviflora Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 719 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. 518 Comment
  RSA724613  Claytonia parviflora subsp. utahensis K. Dobry 1991-4-22 452 Los Angeles San Gabriel Mts. at Elsmere Cyn Comment
  RSA680108  Claytonia parviflora subsp. viridis LeRoy Gross, Michael Denslow 2003-6-4 988 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  SFV1189  Claytonia perfoliata M. L. Vincent 1963-5-7 343 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  RSA527621  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4404 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  CAS-BOT-BC439916  Claytonia perfoliata subsp. intermontana John H. Thomas 1957-5-11 6753 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  RSA0091971  Claytonia perfoliata subsp. mexicana R. G. Swinney 2011-3-17 14125 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  CAS-BOT-BC439965  Claytonia perfoliata subsp. mexicana C. W. Tilforth; Jack Stumbo 1968-4-4 147 Los Angeles Lux Arboretum Annex; Monrovia 762 Comment
  RSA466703  Claytonia perfoliata subsp. mexicana Albert J. Perkins 1914-3-1 s.n. Los Angeles Santa Anita Canon Comment
  CAS-BOT-BC440114  Claytonia perfoliata subsp. perfoliata C. W. Tilforth; Jack Stumbo 1968-4-4 147 Los Angeles Lux Arboretum Annex; Monrovia 762 Comment
  OBI10778  Claytonia perfoliata subsp. perfoliata Bill Arbaugh 1966-4-24 s.n. Los Angeles Cold Canyon Rd 610 Comment
  RSA466696  Claytonia perfoliata subsp. perfoliata John E. Marble 1898-3-17 202 Los Angeles Elysian Park. Comment
  SDSU18814  Claytonia perfoliata var. perfoliata S. H. Bullock 1968-3-23 6 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. 351 Comment
  CAS-BOT-BC91382  Clematis lasiantha Le Roy Abrams 1901-4-3 1306 Los Angeles Santa Monica Mountains. 304 Comment
  CAS-BOT-BC91390  Clematis lasiantha Marcus E. Jones 1882-5-2 3203 Los Angeles Pasadena. Comment
  RSA756460  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2008-4-19 2496 -a Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  CAS-BOT-BC92639  Clematis ligusticifolia Peter H. Raven; Henry J. Thompson 1959-10-31 14728 Los Angeles Santa Monica Mountains. Madeville Canyon 2.7 miles north of Sunset Boulevard. 259 Comment
  UCD95597  Clematis pauciflora W. Bertsch 1954-4-19 492 Los Angeles Little Dalton Canyon. 365 Comment
  RSA165292  Cleome isomeris Mark Parratt 1962-4-29 221 Los Angeles About 4 miles down Bakersfield side of Grapevine summit on road to Bakersfield. 762 Comment
  CAS-BOT-BC423121  Cleomella obtusifolia Cecil Hart 1925-9-5 s.n. Los Angeles Lancaster Comment
  RSA408415  Collinsia bartsiifolia var. davidsonii Robert M. Perkins 1935-4-14 s.n. Los Angeles Two miles north of Lancaster. Comment
  SBBG6851  Collinsia bartsiifolia var. davidsonii H. and M. Dearing 1938-5-1 2690 Los Angeles near Palmdale Comment
  POM184509  Collinsia childii Thomas Craig 1927-6-8 399 Los Angeles In Bear Canyon Trail to Mt. San Antonio Comment
  UC496530  Collinsia childii Thomas Craig 1927-6-8 399 Los Angeles Bear Canyon trail to summit of Mt. San Antonio, from mouth of canyon to Bear Flats Mt. San Antonio; San Gabriel Mts, Mt. San Antonio Comment
  RSA408283  Collinsia heterophylla Elbert Benjamine 1929-5-26 194 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  RSA727275  Collinsia heterophylla R. G. Swinney 1998-5-25 6150 Los Angeles San Gabriel Valley; Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  UC2030104  Collinsia heterophylla V. Soza, LeRoy Gross 2002-4-16 1421 Los Angeles Transverse Ranges, Liebre Mountains region: Between Pettinger and Haskell canyons. Comment
  RSA408267  Collinsia heterophylla Anstruther Davidson 1920-5-1 s.n. Los Angeles [Unspecified] Comment
  LA105379  Collinsia parryi Barry A. Prigge; 1989-4-23 8484 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 429 Comment
  RSA0117336  Collinsia parryi J. T. Howell 1928-5-6 3780 Los Angeles Big Santa Anita Canyon, San Gabriel Mountains, East Fork Trail. Comment
  RSA412253  Collinsia torreyi var. wrightii Bonnie C. Templeton 1932-6-17 4908 Los Angeles Flat near West Blue Ridge, Big Pines Park, San Gabriel Mountains. Comment
  UC52751  Collomia grandiflora Geo. B. Grant 1901-1 1898 Los Angeles Pasadena Comment
  POM3404  Comarostaphylis diversifolia subsp. planifolia Crawford, Otis Hiatt 1913-3-29 s.n. Los Angeles Topango Canyon Comment
  UC1929607  Comarostaphylis diversifolia subsp. planifolia Mark Elvin, Sarah Crockett 1997-3-17 374 Los Angeles Channel Island; Santa Catalina Island: Cape Canyon. W side of canyon. Comment
  RSA0042229  Comarostaphylis diversifolia subsp. planifolia Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3029 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon. 152 Comment
  RSA669340  Conium maculatum LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 564 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  JEPS34582  Constancea nevinii W. L. Jepson 1908-7-14 3050 Los Angeles Avalon Catalina Island, Avalon Comment
  CATA3437  Convolvulus arvensis Julia Parish, Olivia Reda, Tobias Nickel 2017-6-20 030 Los Angeles Santa Catalina Island: Pacific Side; near historic Genista linifolia population in Wild Boar Gully watershed 187 Comment
  RSA640957  Convolvulus arvensis L. C. Wheeler 1931-7-22 s.n. Los Angeles La Verne: Wheeler's residence. Comment
  RSA12644  Convolvulus arvensis C. B. Wolf 1934-8-16 6055 Los Angeles peat land on Bryant Ranch east of Long Beach. 700 ft. east of center of sect. 34; 950 ft. So. of No. line of Same. 6 Comment
  CAS-BOT-BC285956  Conyza bonariensis Geo. B. Grant 1906-8-7 7157 Los Angeles Pasadena Comment
  RSA662678  Conyza bonariensis LeRoy Gross 2001-11-10 454 Los Angeles Verdugo Mountains, north side. Off the 210 freeway east bound LaTuna Canyon Road exit opposite this exit is a road that starts out paved., (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast) 457 Comment
  POM355842  Conyza canadensis Christina Clark 1928-12-25 s.n. Los Angeles Waste ground and fields Topango Canyon Comment
  RSA602769  Conyza canadensis var. canadensis L. C. Wheeler 1972-12-30 12807 Los Angeles San Gabriel Mountains: Cattle Canyon. 701 Comment
  UC195500  Conyza floribunda D. L. Crawford 1915-8-10 548 Los Angeles Claremont Comment
  UC139616  Cordylanthus rigidus subsp. setiger C. F. Baker 1903-8-2 3655 Los Angeles near Claremont; San Antonio Canyon Comment
  RSA0091730  Coreopsis bigelovii R. G. Swinney 2011-5-12 14660 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA497601  Coreopsis bigelovii A. C. Sanders, E. J. Lawlor 1988-4-3 7751 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  UCR264626  Coreopsis bigelovii Mitch Provance, Callen Huff 2009-4-28 10727 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  CAS-BOT-BC287861  Coreopsis californica Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 s.n. Los Angeles E end Antelope Valley Comment
  CAS-BOT-BC105691  Corethrogyne filaginifolia Louis Wheeler 1932-10-25 1426 Los Angeles Eagle Rock 228 Comment
  CAS-BOT-BC105705  Corethrogyne filaginifolia Fordyce Grinnell 1903-12-22 26 Los Angeles San Gabriel Mts., upper Arroyo Seco Canyon [Canon], near Pasadena Comment
  RSA719748  Corethrogyne filaginifolia R. G. Swinney, Dave W. Larson 1996-8-7 5237 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s. 1524 Comment
  UC895233  Corethrogyne filaginifolia Philip A. Munz and I. M. Johnston 1928-9-4 11153 Los Angeles Bouquet Canyon 762 Comment
  CAS-BOT-BC212112  Cornus sericea Dr. H. E. Hasse 1890-8-1 s.n. Los Angeles Swampy flats near Ballona Comment
  RSA592190  Cotula australis L. C. Wheeler 1967-4-8 9175 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. Comment
  RSA654322  Cotula australis Kristina Sargeant 1992-5-20 92 -031 Los Angeles Cal Poly Pomona campus, disturbed area by parking lot behind Administration Building. Comment
  SEINET11859881  Cotula coronopifolia J. F. Bright, Wyman, C. 1931-8-15 5741 Los Angeles Holllywood Comment
  RSA596885  Crassula connata T. S. Ross, J. Mark Porter 1995-5-4 8462 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  SBBG32022  Crassula connata R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -259 Los Angeles between Sweetwater and Middle Ranch Cyns Comment
  SD123969  Crassula tillaea Robert F. Thorne 1979-4-25 52776 Los Angeles Rancho Santa Ana Botanic Garden, south end of desert garden. Comment
  POM181480  Crepis capillaris H. F. Copeland 1927-7-18 904 Los Angeles Campus of the University of California. Comment
  RSA746558  Crepis nana Orlando Mistretta 1991-7-30 s.n Los Angeles Devils Backbone along trail to Mt Baldy 2744 Comment
  UCR161631  Cressa truxillensis Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  CAS-BOT-BC175835  Crossosoma californicum John I. Carlson 1918-5-10 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  CAS-BOT-BC181055  Crossosoma californicum L. R. Abrams; I. L. Wiggins 1931-7-7 408 Los Angeles Catalina Harbor - Santa Catalina Island Comment
  CATA785  Crossosoma californicum Mark L. Hoefs 1991-6-5 1347 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  RSA234638  Crossosoma californicum R. F. Thorne 1970-3-5 39352 Los Angeles Santa Catalina Island. NE slope of Blackjack Mt. at upper end of Swain's Canyon 396 Comment
  RSA479350  Croton californicus Edwin Kline 1924-6-22 s.n. Los Angeles Mt. Wilson Comment
  RSA480565  Croton californicus F. R. Fosberg 1919-6-23 S- 2993 Los Angeles Del Rey. 1 Comment
  UC56924  Croton californicus J. Burtt Davy June, 1901 7771 Los Angeles Redondo Comment
  RSA480698  Croton californicus var. tenuis Mildred R. Solomen 1931-07 s.n. Los Angeles El Segundo. Comment
  UCR125270  Croton setiger A. C. Sanders, Mark Elvin 2002-6-18 25117 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
  RSA91855  Crypsis vaginiflora F. W. Peirson 1906-7-19 1572 Los Angeles Inglewood. 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
  SBBG47540  Cryptantha clevelandii M. B. Dunkle 1929-4-7 2097 Los Angeles near sea, White's Landing Comment
  UCR47783  Cryptantha clevelandii F. R. Fosberg 1932-5-7 10646 Los Angeles Channel Islands, Santa Catalina Island, Grand Canyon Comment
  RSA0113230  Cryptantha corollata R. G. Swinney 2011-3-29 14274 Los Angeles San Gabriel Mts.; Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel. 366 Comment
  SD241776  Cryptantha echinella R. G. Swinney 2009-5-12 10726 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd., and to 1/2 mi. NW up ridge. 1435 Comment
  IRVC26355  Cryptantha intermedia A. C. Sanders, Mark A. Elvin 2003-4-16 26039 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  UCR219910  Cryptantha intermedia R. G. Swinney, Jane Strong 2009-4-21 10416 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  RSA159350  Cryptantha intermedia P. H. Raven 1962-4-10 17201 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  UC551796  Cryptantha intermedia F. R. Fosberg 1932-5-10 10630 Los Angeles above Claremont; Thompsons Creek 450 Comment
  SEINET8546012  Cryptantha intermedia var. intermedia G. B. Grant 1903-1 238 Los Angeles Pasadena. Comment
  RSA187830  Cryptantha maritima R. F. Thorne 1966-4-5 35855 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  UCR277083  Cryptantha micrantha var. lepida R. G. Swinney 2011-6-7 15081 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
  SFV7381  Cryptantha micromeres T. Gordon, M. H. Grayum, R. Johnson 1975-4-18 900 Los Angeles Santa Monica Mountains Between Castro Peak and Mesa Peak, along main ridge fire road at head of Corral Canyon. 617 Comment
  LA94311  Cryptantha microstachys W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA0113366  Cryptantha microstachys LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7516 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
  RSA746961  Cryptantha microstachys R. G. Swinney 2008-4-30 8706 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Monroe Canyon. 549 Comment
  UCR224268  Cryptantha muricata R. G. Swinney 2009-6-24 11273 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR258501  Cryptantha muricata R. G. Swinney 2010-3-10 11817 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR61100  Cryptantha muricata Steve Boyd, T. S. Ross 1988-4-28 2245 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA0079139  Cryptantha muricata var. denticulata T. S. Ross, Steve D. Boyd 1990-6-4 2794 Los Angeles San Gabriel Mountains: Ridge separating Moody Canyon (on the E) from Mill Canyon and Bootleggers Canyon (on the W). 1036 Comment
  RSA725108  Cryptantha nevadensis var. rigida Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -50 Los Angeles 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
  UCR191732  Cryptantha nevadensis var. rigida A. C. Sanders 2008-4-23 35084 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  RSA756895  Cryptantha oxygona Orlando Mistretta, Christine Mistretta 2008-4-7 3484 -a Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  RSA616940  Cryptantha similis L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR126347  Cucurbita foetidissima A. C. Sanders 2003-8-6 27118 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  SEINET10625750  Cucurbita maxima Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3784 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  UCR202528  Cuscuta R. G. Swinney 2005-8-15 8481 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR261359  Cuscuta R. G. Swinney 2010-3-24 12173 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  RSA409690  Cuscuta californica Wm. Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  RSA774743  Cuscuta californica R. G. Swinney 2009-6-17 11200 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UC1409010  Cuscuta californica Robert F. Thorne and J. Dourley 1967-10-10 37351 Los Angeles Blue Ridge San Gabriel Mts., Angeles National Forest 2255 Comment
  UCR125159  Cuscuta californica A. C. Sanders, Mark Elvin 2002-6-18 25122 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
  RSA70994  Cuscuta californica var. californica F. W. Peirson 150 Los Angeles Hills near Monrovia Comment
  UCD54444  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 14 Los Angeles Lancaster, 60th St. West and Ave B. Comment
  OBI14810  Cuscuta subinclusa Lewis S. Rose 1960-8-28 60086 Los Angeles Santa Monica Mts, E slope of Coldwater Cyn 335 Comment
  SBBG116318  Cylindropuntia californica var. parkeri R. Burgess, P. Munro 2002-5-6 5141 Los Angeles Hungry Valley Rd, 0.5 mi W of Smokey Bear Rd 914 Comment
  SEINET9143485 Image available Cylindropuntia echinocarpa Marc A. Baker, Bruce D. Parfitt 1987-4-12 7517 Los Angeles 0.6 km ENE of Big Rock Road along Big Pines Hwy and the San Andres Rift Zone; 0.5 km SE of Big Rock Springs. 1225 Comment
  CLARK-A1528-4576  Cynodon dactylon John C. Roos 1942-9-5 1717 Los Angeles Los Angeles Comment
  UC1587226  Cynodon dactylon Tim Ross 1991-5-20 5366 Los Angeles upper s branch of the un-named drainage that empties to sea just n Jack Point Lighthouse; n third San Clemente Island 167 Comment
  RSA574268  Cynosurus echinatus Timothy S. Ross, Steve Boyd 1993-6-29 7383 Los Angeles Western San Gabriel Mountains: 530 m WNW of Wilson Canyon Saddle; 340 m NNE of the Radio Facility. 1000 Comment
  RSA764405  Cyperus eragrostis Justin M. Wood 2009-9-9 1295 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UCR209316  Cyperus eragrostis A. C. Sanders 2009-11-6 37222 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC114310  Cyperus esculentus Ernest Braunton 1902-8-1 630 Los Angeles Cienega Comment
  UCR210023  Cyperus involucratus R. G. Swinney 2008-12-2 9904 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
  RSA587983  Cystopteris fragilis Orlando Mistretta, Timothy S. Ross 1994-6-1 1291 Los Angeles San Gabriel Mountains, Santiago Canyon, Pacifico Mountain, near top of Santiago Canyon 1930 Comment
  UC1922146  Cytisus scoparius LeRoy Gross, Valentin Arvizu 2006-5-31 2471 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Forest Service road surveys; Along Magic Mountain Road (4N46) east of Magic Mountain, but before Roads (3N17.7 & 3N17.6). Along the Santa Clara ridge. Near but east of 34.38652N, 118.32904W. 1402 Comment
  RSA656383  Cytisus striatus Tami Stevenson 1980-5-9 31 Los Angeles Verdugo Mountains; Located 1/2 mile east of the 210 freeway at La Tuna Canyon offramp, on fire road east 200 meters above gate. Comment
  CATA3151  Dactylis glomerata Amy Catalano 2016-6-3 138 Los Angeles Santa Catalina Island: East of Wrigley Reservoir, along Airport Road 393 Comment
  UCR143928  Datura wrightii A. C. Sanders, Lee Jones 2004-11-7 29027 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  RSA421885  Datura wrightii F. R. Fosberg 1919-6-30 S- 3076 Los Angeles Del Rey Comment
  UCR143125  Daucus pusillus F. R. Fosberg 1931-4-12 S- 4573 Los Angeles Channel Islands, Near Jewfish Point, Santa Catalina Island 15 Comment
  OBI69296  Daucus pusillus John Knapp, Denise Knapp 2003-5-10 47 Los Angeles Catalina Island. 367768.01N x 3696275.43 488 Comment
  SBBG95446  Deinandra clementina M. B. Dunkle 1928-4-29 Los Angeles Little Harbor Comment
  UC1478697  Deinandra clementina Larry DeBuhr 1977-4-16 2563 Los Angeles bluffs around Little and Shark Harbours; Santa Catalina Island Comment
  UC303078  Deinandra clementina T. Minthorn 1920-7-1 Los Angeles near Avalon; Catalina Island Comment
  CATA29  Deinandra fasciculata USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 12 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  JEPS30635  Deinandra fasciculata Peter H. Raven and Henry J. Thompson 1959-5-5 14113 Los Angeles 1 mi w Las Virgenes Rd. (Mulholland Hwy., Malibu Creek drainage); Santa Monica Mountains, Malibu Creek 274 Comment
  UCR227566  Deinandra minthornii Naomi Fraga, Duncan S. Bell 2009-10-15 3159 Los Angeles Transverse Ranges; Santa Susana Mountains region, Simi Hills. north slope of Simi Peak 689 Comment
  SBBG89603  Delosperma litorale A. C. Sanders 1987-7-22 7147 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  UCR143550  Delphinium cardinale L. C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Valley, San Gabriel Wash, 0.25 mile south of Arrow Highway 122 Comment
  RSA394514  Delphinium cardinale Robert L. Dressler 1949-6-19 898 Los Angeles SanDimas Wash, ca. 1 mile N of San Dimas. 671 Comment
  UCR222850  Delphinium parishii R. G. Swinney 2009-5-12 10715 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  SEINET6086661  Delphinium parishii Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA199195  Delphinium parryi Robert F. Thorne, D. Propst 1968-5-27 37645 Los Angeles Santa Catalina Islands. Upper Middle Ranch Canyon. 244 Comment
  RSA398742  Delphinium parryi H. L. Bauer 1931-4-1 s.n. Los Angeles Santa Suzana Pass. [Santa Susana] Comment
  SFV21045  Delphinium parryi L. Gross, V. Soza 2001-6-6 437 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) from the crest, on north-facing slope. 488 Comment
  UCR16756  Delphinium parryi K. Klimberg 1970-5-24 s.n. Los Angeles Channel Islands, Santa Catalina Island, coast NW of Avalon 3 Comment
  CATA229  Delphinium parryi subsp. parryi Mark L. Hoefs, A. Douglas Propst 1973-5-4 222 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  CAS-BOT-BC116280  Delphinium parryi subsp. parryi George B. Grant 1902-5-1 s.n. Los Angeles Garranza Comment
  RSA182322  Delphinium patens subsp. hepaticoideum John Olmsted 1962-4-30 3411 Los Angeles 1960 Johnstone Park burn, from west fork of San Dimas Creek to Wolfskill Falls 457 Comment
  UC854193  Delphinium patens subsp. hepaticoideum I. W. Clokey and E. G. Anderson 1935-5-9 6621 Los Angeles San Dimas Canyon Comment
  SBBG108931  Delphinium variegatum subsp. kinkiense S. A. Junak 1997-4-25 SCl 875 Los Angeles E edge of terrace between Middle and S Burns cyns, ca. 0.45 mi SE of Camera Pad Stone Comment
  UC54696  Dendromecon rigida L. A. Greata May, 1903 314 -316 Los Angeles Arroyo Seco Comment
  RSA433208  Dendromecon rigida Alva Watry 1951-5-10 s.n. Los Angeles Rattlesnake Canyon: Angeles National Forest. Comment
  SEINET10476255  Dendromecon rigida subsp. rhamnoides Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4798 Los Angeles Santa Catalina Island; Catalina Conservancy Land, The James H. Ackerman Native Plant Nursery. In Middle Canyon, near Middle Ranch and Cape Canyon Trail. 10 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 230 Comment
  UCR223000  Deschampsia danthonioides R. G. Swinney 2009-6-2 11023 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
  RSA758729  Descurainia pinnata Geo L. Moxley 1917-2-4 525 Los Angeles Van Nuys. Comment
  RSA696063  Descurainia pinnata Keith E. Hoffmaster 1927-3-6 s.n. Los Angeles Near Buena park, near Rivera. Comment
  RSA0060769  Descurainia pinnata subsp. brachycarpa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6822 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  CAS-BOT-BC43175  Descurainia pinnata subsp. brachycarpa Philip A. Munz 1928-3-7 11062 Los Angeles Claremont. Comment
  UCR1510  Descurainia sophia W. R. Moberly 1962-4-22 620422- 11 Los Angeles Mojave Desert, directly across from the east entrance to Joshua Tree [Saddleback Butte] State Park 762 Comment
  RSA598352  Descurainia sophia L. C. Wheeler 1969-4-19 s.n. Los Angeles Blum Ranch, Aliso Canyon 883 Comment
  UCD114785  Descurainia sophia M. Halperin 1931-4-1 2180 Los Angeles Lancaster. Comment
  RSA433568  Dicentra chrysantha M. B. Dunkle 1933-6-17 3595 Los Angeles San Antonio River Canyon 915 Comment
  SD211607  Dicentra chrysantha Scott D. White, Justin M. Wood 2008-10-7 12548 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, between Bear Creek and Rincon Red Box Road. (Azusa) 548 Comment
  CATA87  Dichelostemma capitatum Mark L. Hoefs 1973-3-13 66 Los Angeles Santa Catalina Island: Upper Avalon Canyon, east of cactus area, west exposure 121 Comment
  SFV686  Dichelostemma capitatum C. Gasser 1956-3-3 s. n. Los Angeles Santa Monica Mountains One-third mile from Highway 101 on Malibu Canyon Road. 610 Comment
  RSA717193  Dichelostemma capitatum subsp. capitatum Gary Kovnat, LeRoy Gross 2003-2-16 27 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SD86315  Dichelostemma capitatum subsp. capitatum R Mitchel Beauchamp, M. Douglas 1972-3-24 3211 Los Angeles In open area at turnoff for Lamar and Darter Stations, San Clemente Island. 60 Comment
  RSA251402  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1966-4-16 36071 Los Angeles San Clemente Island, canyon below Lemon Tank near dump, S of Nanny, NE side of island 183 Comment
  RSA376856  Dichelostemma capitatum subsp. capitatum Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  RSA652067  Dichelostemma capitatum subsp. capitatum Gerald F. Bliss 1948-4-22 sn Los Angeles 5 miles west of Covina. SE of California State Polytechnic College on side of hill. 244 Comment
  UC284827  Dieteria canescens var. canescens P. A. Munz 1923-8-30 7664 Los Angeles n of Big Pines; San Gabriel Mts., Swartout Valley 2225 Comment
  SACT000985  Digitaria sanguinalis Louis Wheeler 1931-8-1 Los Angeles Comment
  CAS-BOT-BC150860  Diplacus X australis J. Ewan 1930-5-30 2240 Los Angeles Near summit of Cahuenga Peak, Santa Monica Mts. 556 Comment
  CAS-BOT-BC150657  Diplacus longiflorus Mrs. T. C. Pease 1910-5-7 s.n. Los Angeles Claremont Comment
  CATA1896  Dissanthelium californicum Jenny L. McCune, Lauren Danner 2007-7-14 Los Angeles Santa Catalina Island: Collected at releve #76 220 Comment
  RSA749655  Distichlis spicata R. G. Swinney 2005-8-5 8363 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  RSA151267  Dodecatheon clevelandii subsp. insulare Peter H. Raven 1962-7-12 18041 Los Angeles Small colony only about 4 m across. Field base of slope above West point, San Clemente Island Comment
  UCR43322  Dodecatheon redolens David Charlton 1986-6-16 308 Los Angeles San Gabriel Mtns, Angeles Crest Hwy, near Kratka Ridge. 2287 Comment
  UC1532947  Draba corrugata Robert F. Thorne, C. W. Tilforth and John Dourley 1969-7-29 38867 Los Angeles Dawson Saddle San Gabriel Mts., Angeles National Forest 2423 Comment
  UC205855  Draba corrugata I. M. Johnston 1917-7-4 1416 Los Angeles summit Baldy (Southern California); San Antonio Mountains, summit of Baldy 3048 Comment
  UCR256269  Draba corrugata R. G. Swinney 2010-10-13 14038 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  POM370047  Draba cuneifolia Blanche Trask 1902-04 s.n. Los Angeles Avalon. Santa Catalina Island. Comment
  UCR152470  Drosanthemum floribundum A. C. Sanders, Lee Jones 2005-4-8 29359 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA0094629  Drymocallis cuneifolia var. ewanii Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-2 8514 Los Angeles Western slopes of Mount Baden-Powell; north slope of Mount Hawkins, in the vicinity of Lily Spring. 2401 Comment
  POM366511  Drymocallis glandulosa var. glandulosa L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  CAS-BOT-BC536113  Drymocallis glandulosa var. reflexa LeRoy Abrams 1902-6-30 2585 Los Angeles Strains camp, Mt. Wilson Comment
  CATA820  Dryopteris arguta Mark L. Hoefs 1991-6-17 1397 Los Angeles Santa Catalina Island: Near middle of Bulrush Canyon 368 Comment
  LA200099  Dryopteris arguta Lawrence L. Kiefer; 1966-3-6 1660 Los Angeles SANTA MONICA MOUNTAINS, ravine between Las Flores and Big Rock Rd, ca 0.25 mi above Hwy 1. 45 Comment
  SD112362  Dryopteris arguta Darley F. Howe 1915-3-1 15 Los Angeles San Dimas Canyon Comment
  SD92986  Dryopteris arguta W. Bertsch 1953-4-21 83 Los Angeles LIttle Dalton Canyon 365 Comment
  RSA693699  Dryopteris arguta James Clizbe 1930-5-6 16058 Los Angeles Nichols Canyon Comment
  LA200384  Dudleya lanceolata Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1971-6-6 4928 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  LA200386  Dudleya lanceolata Kei Nakai; 1980-5-25 609 Los Angeles 274 Comment
  RSA229715  Dudleya lanceolata R. F. Thorne, C. W. Tilforth 1969-6-26 38201 Los Angeles Big Rock Creek Canyon at Sycamore flat campground, SW slope of Pinyon Ridge 1295 Comment
  RSA635032  Dudleya lanceolata Valerie L. Soza, Kent Hughes 1999-6-17 543 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  CAS-BOT-BC428394  Dudleya lanceolata Reid Moran 1941-5-12 859 Los Angeles Devil's Canyon, tributary of the west fork of San Gabriel Canyon 1200 Comment
  CAS-BOT-BC428407  Dudleya lanceolata K. Nakai 1978-5-4 376 Los Angeles Santa Monica Mountains, Santa Ynez Cyn. 2286 Comment
  RSA1568  Dudleya lanceolata I. M. Johnston 1917-6-10 1294 Los Angeles Playa del Rey. Comment
  UC1174782  Dudleya lanceolata P. C. Everett and E. K. Balls 1960-5-30 24134 Los Angeles 2.2 mi from entrance San Gabriel Canyon; Angeles National Forest 365 Comment
  UCR276997  Dysphania botrys R. G. Swinney 2010-9-30 13914 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  UCR186670  Echinochloa crus-galli T. B. Salvato, Sarah Flack 2007-8-8 3033 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  RSA0008144  Echinochloa crus-galli P. H. Raven, H. J. Thompson 1959-9-6 14404 Los Angeles Near mouth of Malibu Creek. Santa Monica Mountains. 12 Comment
  RSA353643  Echinodorus cordifolius Geo L. Moxley 1914-8-31 254 Los Angeles South of Los Angeles. Comment
  UCSB3675  Ehrendorferia chrysantha Kamb, Peter 1947-6-30 Los Angeles Upper Sonoran Zone, San Gabriel Canyon road below Crystal Lake, San Gabriel Mts. 1371 Comment
  UCR138520  Eleocharis parishii L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Soledad Canyon, Santa Clara River 530 Comment
  RSA188512  Eleocharis parishii Robert F. Thorne, John Olmsted 1965-8-26 35388 Los Angeles San Gabriel Mountains: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  UCR150358A  Eleusine indica Scott D. White 2003-10-14 9835 Los Angeles San Gabriel Mtns, foothills above Sierra Madre. Los Angeles Dept. of Public Works "Sierra Madre Villa' Debris Basin 335 Comment
  IRVC28586  Elymus condensatus A. C. Sanders, Mark Elvin 2002-6-19 25179 Los Angeles Newhall Ranch, head of "Adobe Cyn." and pass into "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  UCR223219  Elymus elymoides R. G. Swinney 2009-5-20 10815 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR276717  Elymus elymoides R. G. Swinney 2010-9-21 13865 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA609045  Elymus elymoides subsp. elymoides L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Mill Creek Picnic Grounds. 1098 Comment
  RSA621307  Elymus elymoides subsp. elymoides L. C. Wheeler 1968-4-26 s.n. Los Angeles Head of Spring Canyon at Santa Clara Divide Road., [Correct TRS should be 4N 14W S36 NW1/4] 1303 Comment
  CDA31745  Elymus glaucus L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns. Campground vicinity, Devil s Canyon Comment
  SBBG131611  Elymus glaucus S. A. Junak 1999-5-21 SCa 990 Los Angeles Coffee Pot Cyn, upstream from rd crossing 426 Comment
  SEINET7303710 Image available Elymus glaucus R. F. Thorne, M. Z. Thorne 1969-1 38508 Los Angeles San Gabriel Mts.; Angeles National Forest 2134 Comment
Read comments
Nov 11 2015
  RSA225682  Elymus glaucus subsp. glaucus R. F. Thorne, A. C. Gibson 1971-5-22 39727 Los Angeles San Gabriel Mountains, Angeles National Forest: Fish Canyon 274 Comment
  UCR190056  Elymus glaucus subsp. virescens R. G. Swinney 1998-9-7 6930 Los Angeles San Gabriel Mtns., Dawson Peak ridge, Dawson Peak Ridge Trail 2829 Comment
  UCD62461  Elymus multisetus B. A. Madson 1931-4-1 Los Angeles Lancaster. 762 Comment
  UC457216  Emmenanthe penduliflora Carl Epling 1931-5-9 Los Angeles Los Alisos Canyon; Santa Monica Mountains Comment
  RSA0061136  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6841 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  SD253464  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-31 14926 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  UCR257216  Encelia actoni LeRoy Gross 2012-6-17 5550 Los Angeles Transverse Ranges; San Gabriel Mountains, Mount Wilson Road to Henninger Flats; short distance east of the Eaton Canyon Bridge 420 Comment
  UCR281845  Encelia actoni R. G. Swinney 2014-5-8 16437 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  HSC5475  Encelia californica David Porter 1965-5-5 Los Angeles 0.5 mi. N of Topanga Canyon Blvd. Topanga Canyon, Santa Monica Mtns. 412 Comment
  JEPS30625  Encelia californica Peter H. Raven 1959-4-4 13946 Los Angeles on bluffs just behind beach e of Zuma Beach; Santa Monica Mountains, Point Dume 10 Comment
  UC1118048  Encelia californica R. St. John 1933-2-28 344 Los Angeles beach w Coal Canyon; Calabasas Quadrangle 7 Comment
  UCR97796  Encelia californica Scott D. White 1997-3-12 4766 Los Angeles Western Transverse Range; Santa Monica Mtns., NW of Zuma Beach. Encinal Canyon Road between Pacific Coast Highway & Mulholland Highway 610 Comment
  SEINET11859821  Encelia californica J. F. Bright, Wyman, C. 1931-5-22 5475 Los Angeles near Pasadena Comment
  RSA0080981  Encelia farinosa R. G. Swinney 2010-4-30 12480 Los Angeles Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon. 482 Comment
  RSA114361  Ephedra nevadensis Percy C. Everett, E. K. Balls 1956-5-9 21563 Los Angeles Mojave Desert, 6 miles S of Lancaster along Highway 6. Joshua Tree community 762 Comment
  RSA252878  Ephedra nevadensis Robert F. Thorne 1973-5-11 43538 Los Angeles Little Rock Creek [San Gabriel Mountains] 1037 Comment
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Apr 5 2012
  RSA625161  Ephedra nevadensis L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA728298  Ephedra nevadensis G. D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1953 Los Angeles Fort Tejon Road Comment
  UC511257  Ephedra nevadensis Lyman Benson 1952-3-25 3149 Los Angeles grade above Valyermo (San Gabriel Mt. Range, mountain slope); San Gabriel Mt. Range, Mojave Desert Watershed 1127 Comment
  CAS-BOT-BC81972  Ephedra viridis Ira L. Wiggins 1966-4-24 20655 Los Angeles just east of J.F.L. Motel, eastern skirts of Pearblossom Comment
  RSA578231  Epilobium brachycarpum Tim S. Ross, Steve D. Boyd 1994-9-21 8294 Los Angeles Liebre Mountain: vicinity of West Summit 1683 Comment
  RSA774787  Epilobium brachycarpum R. G. Swinney 2009-7-23 11385 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR204819  Epilobium brachycarpum R. G. Swinney 2005-8-22 8515 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  CAS-BOT-BC166259  Epilobium canum subsp. canum Moxley 1913-9-1 180 Los Angeles Mt. Wilson Comment
  RSA609534  Epilobium canum subsp. canum Louis C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Mt. Wilson road below Henninger Flats. 671 Comment
  SBBG13589  Epilobium canum subsp. canum E. R. Blakley 1962-10-3 5385 Los Angeles near Wrigley Reservoir at the summit of the island rd 426 Comment
  UC874242  Epilobium canum subsp. canum P. A. Munz 1922-11-20 6568 Los Angeles hills s San Dimas Comment
  RSA530051  Epilobium canum subsp. latifolium Tim S. Ross 1991-8-16 5840 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  UCSB4530  Epilobium canum subsp. latifolium 1940-11-16 Los Angeles San Dimas Exp. Forest, Monroe Truck Trail Comment
  RSA0116574  Epilobium ciliatum R. G. Swinney 2010-9-30 13935 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA748073  Epilobium ciliatum R. G. Swinney 2001-9-15 8182 Los Angeles San Gabriel Mountains: Little Jimmy Spring. 2256 Comment
  UCR124645  Epipactis gigantea B. C. Templeton, I. W. Clokey 1936-5-18 5665 Los Angeles San Gabriel Mountains, San Gabriel Canyon, from 0.5 mi. below dam to 1.0 mi. above 488 Comment
  RSA381692  Epipactis gigantea George Henry Grinnell s.n. Los Angeles Unspecified. Comment
  RSA640898  Equisetum laevigatum L. C. Wheeler 1967-8-2 10292 Los Angeles San Gabriel Mountains, Angeles National Forest: Sheep Camp Spring, W slope Mt. Pacifico 1951 Comment
  SBBG131719  Equisetum laevigatum S. A. Junak 1999-5-21 SCa 980 Los Angeles Coffee Pot Cyn, just upstream from rd crossing 405 Comment
  SBBG31256  Equisetum laevigatum R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles lower portion of Middle Ranch Cyn 91 Comment
  UCR189825  Equisetum laevigatum R. G. Swinney 1998-9-4 6903 B Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  UCR194265  Equisetum laevigatum R. G. Swinney 1998-8-5 6658 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  LA203676  Equisetum laevigatum Lawrence L. Kiefer; 1963-10-5 1034 Los Angeles San Gabriel Mountains, Little Rock Canyon 1066 Comment
  CAS-BOT-BC57752  Equisetum telmateia Le Roy Abrams 1901-4-11 1464 Los Angeles Near Mesmer. Comment
  UCR177689  Equisetum telmateia Freda Detmers 1928-10-17 s.n. Los Angeles Verdugo Mountains region, Verdugo woodlands, near Glendale 549 Comment
  CAS-BOT-BC57797  Equisetum telmateia G. B. Grant 1904-4-6 s.n. Los Angeles Pasadena. Comment
  LA5491  Equisetum telmateia subsp. braunii J. A. Ewan; 1932-6-28 7520 Los Angeles 99 Comment
  UCR138530  Eragrostis curvula var. curvula L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 823 Comment
  RSA0016935  Eragrostis lehmanniana Kelly Middleton, David Middleton 1988-5-23 42 Los Angeles Glendora Ridge Road, 8.4 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1066 Comment
  RSA0084996  Eremogone macradenia var. arcuifolia George R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  SBBG58324  Eriastrum R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCR238099  Eriastrum densifolium Mark A. Elvin, Margie P. Elvin, K. Elvin, A. Elvin 2003-7-1 2965 Los Angeles Western Transverse Range; Santa Susana Mountains, crest of the mountains at head of Salt Creek, 6.5 km SW of Stevenson Ranch 927 Comment
  RSA0104339  Eriastrum densifolium subsp. austromontanum B. C. Templeton 1932-7-21 5048 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  RSA0107784  Eriastrum densifolium subsp. austromontanum Orlando Mistretta 1995-7-12 1913 Los Angeles Little Rock Creek. 1098 Comment
  RSA0107974  Eriastrum densifolium subsp. austromontanum R. E. Riefner 1996-6-7 96 -111 Los Angeles Santa Clarita, Hwy. 14 along Placer Creek. Comment
  UC625597  Eriastrum densifolium subsp. elongatum Annie M. Alexander 1939-6-26 850 Los Angeles Mint Canyon Comment
  CAS-BOT-BC514415  Eriastrum densifolium subsp. mohavense Elizabeth F. Sprague 1968-7-6 s.n. Los Angeles Roadside at Vincent, jct of Hwy 14 and N3, S of Palmdale Comment
  RSA0120066  Eriastrum eremicum subsp. eremicum H. E. Hasse 1906-6-1 s.n. Los Angeles Big Rock Creek. Comment
  RSA469270  Eriastrum filifolium Blanche Trask 1901-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR150457  Eriastrum sapphirinum R. G. Swinney 1999-6-21 7344 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UC909058  Eriastrum sapphirinum Herbert L. Mason 1948-6-15 3787 Los Angeles cirque slide s Baldy; San Antonio Wash 2194 Comment
  CAS-BOT-BC514987  Eriastrum sapphirinum subsp. dasyanthum Ynez Whilton Winblad 1937-6-26 s.n. Los Angeles Ridge Route, northern part of county Comment
  RSA0121280  Eriastrum sapphirinum subsp. dasyanthum Joseph M. Keefe 1978-6-4 23333 Los Angeles Verdugo Mountains: 100 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 287 Comment
  JEPS26434  Ericameria linearifolia Peter H. Raven and Henry J. Thompson 1960-4-24 15126 Los Angeles Cornell Corners Santa Monica Mountains, Cornell Corners 213 Comment
  RSA191192  Ericameria linearifolia R. F. Thorne, M. Z. Thorne 1967-7-19 37142 Los Angeles San Gabriel Mts., Angeles National Forest, Crytal Lake Recreation Area: just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  SBBG62622  Ericameria linearifolia R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  UC1119147  Ericameria nauseosa A. Lewis 1933-4-23 192 Los Angeles 1 1/2 mi sw Palmdale; Elizabeth Lake Quad. 871 Comment
  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
  CATA402  Ericameria palmeri var. pachylepis Mark L. Hoefs, A. Douglas Propst & Robert F. Thorne 1974-9-12 528 Los Angeles Santa Catalina Island: Above Empire Landing 60 Comment
  POM13552  Ericameria palmeri var. pachylepis P. A. Munz 1922-11-20 6569 Los Angeles Hills south of San Dimas. Comment
  POM266283  Ericameria parishii var. parishii J. C. Roos 1937-10-30 2261 Los Angeles Lytle Creek, east end of San Gabriel Mts. Comment
  RSA191627  Ericameria parishii var. parishii R. F. Thorne, M. Z. Thorne 1966-8-29 36596 Los Angeles along hwy from Crystal Lake to Islip Saddle. 1615 Comment
  RSA359446  Ericameria parishii var. parishii Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA90889  Ericameria parishii var. parishii Raymond J. Dobbs 1924-8-25 5401 Los Angeles Slope above Switzers Camp, north of Pasadena, San Gabriel Mts. 1067 Comment
  RSA0078389  Ericameria parryi R. G. Swinney 2010-10-8 14004 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  POM294271  Ericameria pinifolia Lyman Benson 1944-11-12 11557 Los Angeles San Jose Hills, north shore of Puddingstone Lake, San Dimas 305 Comment
  SBBG62804  Ericameria pinifolia R. Hoffmann 1928-7-9 Los Angeles Elizabeth Lake Comment
  UCR231383  Ericameria pinifolia Dan S. Cooper 2011-10-10 1011- 118 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Mt. Hollywood just west of the lookout 484 Comment
  UCSB24045  Ericameria pinifolia McMinn, Howard 1937-2-28 Los Angeles San Fernando Wash Comment
  UCR209413  Erigeron foliosus R. G. Swinney 2008-10-8 9521 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  CAS-BOT-BC296193  Erigeron foliosus var. foliosus Timothy S. Ross; Steve Boyd 1990-6-18 3500 Los Angeles 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainage, Ball Flat, San Gabriel Mountains 1767 Comment
  CAS-BOT-BC296200  Erigeron foliosus var. foliosus L. R. Abrams 1917-7-8 6614 Los Angeles Topanga Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC296211  Erigeron foliosus var. foliosus John Thomas Howell 1928-5-19 3790 Los Angeles Anacapa Island Comment
  CATA1227  Erigeron foliosus var. foliosus Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2293 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  SBBG131650  Erigeron foliosus var. foliosus S. A. Junak 1999-5-8 SCa 926 Los Angeles Escondido Cyn, ca. 0.35 mi above reservoir 152 Comment
  SBBG31302  Erigeron foliosus var. foliosus R. F. Thorne 1965-6-22 34874 Los Angeles behind Bird Park 91 Comment
  LA99374  Eriodictyon crassifolium E. R. Hobbs; 1978-4-23 78- 173 Los Angeles San Gabriel Mountains, Sand Canyon, Santa Clara River Valley, W part of range Comment
  CAS-BOT-BC189118  Eriodictyon crassifolium var. crassifolium F. A. Thackery 1928-5-18 423 Los Angeles Tuyunga Comment
  CAS-BOT-BC188954  Eriodictyon parryi John R. Hodgson 1928-8-1 169 Los Angeles Peace Valley, near Tejon Pass Comment
  CAS-BOT-BC188965  Eriodictyon parryi Steve Boyd; Lauren Raz 1997-5-29 9935 Los Angeles N base of Portal Ridge, N of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail, Liebre Mountains region 1097 Comment
  SD253466  Eriodictyon parryi R. G. Swinney 2011-5-31 14913 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  RSA582968  Eriodictyon traskiae Tim S. Ross, Janet Takara 1993-4-23 6936 Los Angeles Santa Catalina Island: SW part of the island in Cape Canyon. 244 Comment
  CAS-BOT-BC222685  Eriodictyon trichocalyx LeRoy Abrams 1902-6-30 2607 Los Angeles Mt. Wilson 1706 Comment
  RSA0064140  Eriodictyon trichocalyx var. trichocalyx Marck Menke 2002-3-29 132 Los Angeles San Gabriel Mts., Glendora Mountain Road at a pullout north of the intersection with Glendora Ridge Road. Comment
  RSA783132  Eriogonum J. D. Olmsted 1959-9-21 973 Los Angeles 1/2 mi SW of intersection of roads from Tanbark Flat and Glendora Mt. Rd. along Rd. from Big Dalton dam, San Dimas Experimental Forest. 823 Comment
  SBBG61808  Eriogonum angulosum R. Hoffmann 1928-7-9 Los Angeles Antelope Valley Comment
  UCR118538  Eriogonum baileyi var. baileyi David Charlton, Robb Fishman 1990-8-30 3905 Los Angeles Western Mojave Desert, NE Palmdale, corner of Ave 'P' and Sierra Hwy 793 Comment
  CAS-BOT-BC244061  Eriogonum brachyanthum James L. Reveal 1978-6-25 4779 Los Angeles On the off-ramp of California Hghway 14 and Avenue P north of Palmdale 792 Comment
  POM220265  Eriogonum cinereum F. M. Reed 1929-7-18 6542 Los Angeles Malibu Coast highway. Comment
  RSA739671  Eriogonum cinereum John Dittes, Josephine Guardino 2006-12-10 1437 Los Angeles Western Transverse Ranges, Santa Monica Mtns, Malibu Canyon, downslope of Malibu Canyon road, 2.7 air miles NE of Malibu Lagoon State Beach 1.0 air mile S of intersection of Malibu Canyon Road and Piuma Raod, just S of road tunnel 123 Comment
  UC534869  Eriogonum cinereum Mrs. H. P. Bracelin 1931-10-11 570 Los Angeles about 1 1/2 mi e ocean beach (Lower Topenga Canyon); Santa Monica Mts., Lower Topenga Canyon Comment
  UCD99813  Eriogonum cinereum Kenneth A. Wilson 1961-3-5 941 Los Angeles Santa Monica Mountains. Mulholland Highway, 2 miles west of Las Virgenes Road. Comment
  RSA716477  Eriogonum cithariforme Scott D. White, Andrea Warniment 2006-7-7 11601 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  RSA0113998  Eriogonum davidsonii R. G. Swinney 2010-9-7 13709 Los Angeles San Gabriel Mountains; Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  UCR189835  Eriogonum davidsonii R. G. Swinney 1998-9-4 6884 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR190740  Eriogonum davidsonii R. G. Swinney 2001-5-18 7931 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCR239041  Eriogonum deflexum var. baratum Anuja Parikh, Nathan Gale 2010-6-2 3246 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 4.0 km west of State Hwy 14, 2.2 km southwest of California Aqueduct 1143 Comment
  UC1537275  Eriogonum deflexum var. baratum Gordon H. True Jr. 1936-5-17 310 Los Angeles hills s Littlerock 914 Comment
  LA34235  Eriogonum elongatum var. elongatum Peter H. Raven; Henry J. Thompson 1959-9-20 14461 Los Angeles 274 Comment
  UC519962  Eriogonum elongatum var. elongatum Louis C. Wheeler 1932-10-7 1425 Los Angeles Eagle Rock 228 Comment
  RSA393513  Eriogonum fasciculatum Richard C. Barkelew 1932-4-22 s.n. Los Angeles Nichols Canon. Comment
  RSA654409  Eriogonum fasciculatum Matt Brooks 1988-4-15 6 Los Angeles Whittier, Turnbull Canyon Rd. 1.5 miles east of its intersection with Beverly Blvd. Comment
  RSA747091  Eriogonum fasciculatum A. C. Sanders, T. B. Salvato 2009-5-19 36817 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  RSA0092466  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-27 15922 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
  POM177962  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1931-5-15 4196 Los Angeles West fork Garapito Creek. 457 Comment
  RSA766094  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan, Nesta Ewan 1936-8-5 9944 Los Angeles Mescal Creek, San Gabriel Mountains. 1372 Comment
  RSA532644  Eriogonum fasciculatum var. polifolium Tim S. Ross 1991-8-14 5757 Los Angeles Roundtop Mountain. 1878 Comment
  CDA1011  Eriogonum giganteum D. G. Kelch 1991-3-17 1322 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  CAS-BOT-BC250296  Eriogonum giganteum var. giganteum Ira L. Wiggins 1925-6-1 1770 Los Angeles White's [Whites] Landing. Santa Catalina Island Comment
  CATA281  Eriogonum giganteum var. giganteum Mark L. Hoefs 1973-5-21 295 Los Angeles Santa Catalina Island: By road on point past Pebbly Beach Canyon, by old dump 30 Comment
  SBBG77594  Eriogonum giganteum var. giganteum F. R. Fosberg 1931-7-9 5358 Los Angeles Avalon 30 Comment
  CAS-BOT-BC253442  Eriogonum gracile L. R. Abrams 1902-7-5 2721 Los Angeles Azusa Comment
  SBBG149  Eriogonum gracile R. Hoffmann 1927-9-21 Los Angeles near Castaic Comment
  RSA393223  Eriogonum gracile var. gracile Louis C. Wheeler 1931-8-30 38 Los Angeles San Antonio Canyon. 976 Comment
  RSA680329  Eriogonum gracile var. gracile Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9603 Los Angeles Liebre Mountains: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 396 Comment
  RSA393233  Eriogonum gracile var. gracile Robert Gustafson 1981-7-15 2338 Los Angeles Ballona Wetlands, Area 2. Comment
  CAS-BOT-BC261100  Eriogonum gracillimum Bunch 1974-8-16 500 Los Angeles Texaco Oil Field through Archery Range, Castaic Comment
  LA602818  Eriogonum heermannii var. heermannii C. B. Wolf; 1932-10-21 4363 Los Angeles San Gabriel Mountains, 0.125 below Big Rock Ranger Station, Big Rock Creek 1066 Comment
  RSA5790  Eriogonum heermannii var. heermannii Carl B. Wolf 1932-10-21 1619 Los Angeles Big Rock Creek, 1/8 mi. below Big Rock Ranger Station. 1067 Comment
  UC586861  Eriogonum microthecum var. corymbosoides Joseph Andorfer Ewan 1934-8-3 8332 Los Angeles near summit Table Mt. (head of Le Montaine Cr.); San Gabriel Mts., Table Mt., Le Montaine Cr. 2255 Comment
  RSA393689  Eriogonum mohavense Anstruther Davidson 1897-9-29 s.n. Los Angeles Little Rock Creek. Comment
  SBBG1553  Eriogonum mohavense H. and M. Dearing 1934-4-15 112 Los Angeles Mojave Desert Comment
  UC2062978  Eriogonum ordii Elizabeth Kempton with Eric Paul 2006-6-11 385 Los Angeles Vasquez Canyon Road, ca. 1.5-2 mi from Bouquet Canyon Road. Comment
  UCSB1473  Eriogonum parvifolium Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  CAS-BOT-BC267759  Eriogonum roseum John Thomas Howell 1927-11-13 3201 Los Angeles One and a half miles east of Elizabeth Lake, Lieber Mts. Comment
  RSA579581  Eriogonum roseum Tim S. Ross, S. D. Boyd 1994-9-21 8281 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  SD72737  Eriogonum thurberi F. R. Fosberg 1930-7-3 S 3081 Los Angeles Lexington Wash, San Gabriel River, El Monte 79 Comment
  UCR223529  Eriogonum umbellatum R. G. Swinney 2009-5-28 10915 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA420689  Eriogonum umbellatum var. canifolium Fordyce Grinnell Jr. 1917-8-29 s.n. Los Angeles Mt. Waterman Ridge. Comment
  RSA226965  Eriogonum umbellatum var. minus Robert F. Thorne 1971-8-25 41245 Los Angeles San Gabriel Mountains, Angeles National Forest: Summit of Mt. Burnham 2741 Comment
  RSA733086  Eriogonum umbellatum var. minus R. G. Swinney 2001-6-20 8009 Los Angeles Summit of Mt. Lewis, NW of Dawson Saddle. 2524 Comment
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Feb 6 2013
  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
  UC63983  Eriogonum wrightii var. subscaposum Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts., Swartout Canyon 2133 Comment
  UCR225787  Eriogonum wrightii var. trachygonum Dave Silverman, Cindy Hopkins 2007-4-26 6759 Los Angeles Tejon Ranch, 375 m west of California aqueduct, 2.4 km south of Kern County line and 2.9 km northeast of Quail Lake 1030 Comment
  RSA0094357  Eriophyllum confertiflorum R. G. Swinney 2011-5-18 14134 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA527764  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4327 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA654645  Eriophyllum confertiflorum Fred Brooks, P. Sobkowiak 1988-4-23 10 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  UCR170406  Eriophyllum confertiflorum Alex R. Van Dam 2004-5-16 018 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park on hiking trail on N-facing slope 262 Comment
  LA209914  Eriophyllum confertiflorum var. confertiflorum Carl Epling; Lincoln Ellison 1929-5-18 42 Los Angeles Santa Monica Mountains, Topango Canyon Comment
  RSA92530  Eriophyllum wallacei F. W. Peirson 1919-5-30 346 Los Angeles San Gabriel Mountains. 426 Comment
  RSA658376  Erodium cicutarium Naomi Zohman 1985-4-28 11 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  SBBG128075  Erodium cicutarium M. L. Hoefs, S. A. Junak, K. Kirkland 2001-4-14 3138 Los Angeles upper Middle Cyn on hillside by Edison pump house 371 Comment
  LA99310  Erodium cicutarium Jonathan Sauer; John O'Leary 1978-4-18 6001 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, High ridge Comment
  SBBG31429  Erodium moschatum R. F. Thorne 1967-5-19 36892 Los Angeles near rd side above Little Harbor 15 Comment
  POM50370  Erodium moschatum W. W. Eggleston 1924-3-7 19516 Los Angeles Claremont. Comment
  RSA529295  Erodium moschatum Tim S. Ross 1991-4-8 4455 Los Angeles Elephant Hill: western Pomona. 229 Comment
  RSA592306  Erodium moschatum Louis C. Wheeler 1967-5-13 9505 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  SD113960  Erodium moschatum Darley F. Howe April 43 Los Angeles Claremont Comment
  LA29289  Erysimum capitatum var. capitatum Mary V. Hood; 1945-5-20 45- 32 k* Los Angeles Mt Watermann 1889 Comment
  RSA530260  Erysimum capitatum var. capitatum Dr Ralph Hoffman 1930-4-28 s.n. Los Angeles Lancaster 712 Comment
  RSA530231  Erysimum suffrutescens F. R. Fosberg 1930-6-23 S- 2984 Los Angeles Del Rey 2 Comment
  RSA530240  Erysimum suffrutescens E. S. Spalding 1924-5-3 283 Los Angeles Manhattan Beach. Comment
  UC146087  Eschscholzia Geo. B. Grant May, 1901 3777 Los Angeles Catalina Island Comment
  RSA651299  Eschscholzia caespitosa Lori Ackerman, Gerald Braden 1988-5-20 35 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  OBI35699  Eschscholzia californica Rebecca Cicoria 1982-5-8 73 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling Hills Comment
  UC72726  Eschscholzia californica Pupils of Los Angeles High School June 1902 Los Angeles Altadena Comment
  UCD94062  Eschscholzia californica Shannon M. Still 2006-3-31 73 Los Angeles California. Los Angeles County: In field on the NE corner of W. Ave F-8 and 170th Street W. 852 Comment
  UCR152881  Eschscholzia californica A. C. Sanders, Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC83100  Eschscholzia minutiflora W. R. Ernst 1957-4-19 161 Los Angeles Along Highway 6, 2.9 miles north of junction with Angeles Crest Highway (2). Comment
  RSA445471  Eschscholzia ramosa F. R. Fosberg 1931-4-13 S- 4598 Los Angeles Pebble [Pebbly] Beach, Santa Catalina Island. Comment
  RSA0010830  Eucalyptus K. Dobry 1991-4-22 d- 815 Los Angeles Santa Monica Mts. Upper Cold Creek Cyn. Comment
  CATA2921  Eucalyptus cladocalyx Sara L. Crockett, Michael Daligdig 1996-10-21 4 Los Angeles Santa Catalina Island: Descanso Beach Club 15 Comment
  RSA655933  Eucalyptus globulus James Henrickson 2000-4-15 20683 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  SEINET3155596  Eucalyptus rostrata G. B. Grant 421 -A Los Angeles Pasadena Comment
  RSA673618  Eucalyptus rudis LeRoy Gross 2003-1-25 685 Los Angeles 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 549 Comment
  RSA0080966  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-28 12404 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA725905  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25721 Los Angeles NE end of Santa Susand Mtns.: Newhall Ranch, canyon NE of Grapevine Mesa, SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of oil tanks near BM 1073. Comment
  SBBG44678  Eucrypta chrysanthemifolia W. A. Wright 1931-2-19 Los Angeles back of school, Toyon and Bannings Cyn area Comment
  UCR216895  Eucrypta chrysanthemifolia R. G. Swinney 2009-2-20 10030 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA75982  Eucrypta chrysanthemifolia F. W. Peirson 1921-02 167 Los Angeles Coldwater Canyon, Santa Monica Mts. Comment
  UCSB45218  Eucrypta chrysanthemifolia Davis, K. 1979-2-24 Los Angeles Santa Monica Mtns., near Highway 23, 2 miles north of the junction with Highway 1 152 Comment
  UC1584870  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim Ross 1991-4-8 4470 Los Angeles Elephant Hill Pomona, San Dimas U.S.G.S. 7.5' quad. (w Pomona) 335 Comment
  UCR43323  Euphorbia albomarginata David Charlton 1986-6-15 309 Los Angeles San Gabriel Mtns., Mile High, intersection of Swarthout Canyon Road and Largo Vista Road (N4) 1067 Comment
  UCR51907  Euphorbia melanadenia Adelina Munoz 1988-5-14 120 Los Angeles San Gabriel Mtns, San Dimas: Sycamore Canyon behind San Dimas Canyon Park 305 Comment
  UCR124577  Euphorbia palmeri B. C. Templeton 1932-6-19 4919 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  RSA718274  Euphorbia peplus R. G. Swinney 1998-4-13 5962 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  RSA533478  Euphorbia peplus T. S. Ross 1991-4-21 4563 Los Angeles Whittier hills (Puente hills, pro parte): Skyline Drive at the head of Turnbull canyon. 354 Comment
  UCR125160  Euphorbia polycarpa A. C. Sanders, Mark Elvin 2002-6-18 25123 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
  UCR206174  Euphorbia serpens A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36943 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  IRVC29588  Euphorbia spathulata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26149 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  CAS-BOT-BC312240  Euthamia occidentalis F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River boogm, near Los Angeles Comment
  SEINET10807011  Festuca De Camp 1912-6-10 DE CAMP s.n. Los Angeles Claremont. Comment
  SBBG131741  Festuca microstachys S. A. Junak 1999-4-23 SCa 848 Los Angeles Buffalo Reservoir area, S side of main rd, N-facing slope 201 Comment
  UCR126857  Festuca microstachys A. C. Sanders 2003-4-29 26182 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  SBBG17804  Festuca myuros P. H. Raven 1962-4-9 17147 Los Angeles near barracks, Wilson Cove 60 Comment
  UCR186761  Festuca myuros T. B. Salvato, Sandra Murcia 2007-3-28 2010 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
  UCSB388  Festuca myuros B., K. 1943-3-25 Los Angeles Dalton C.C.C; San Dimas Experimental Forest; San Gabriel mountains Comment
  LA13080  Festuca myuros O. A. Plunkett; 1926-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SEINET220411 Image available Festuca ovina Jack L. Reveal 1977-6-12 1981 Los Angeles From a landscaped yard on Densmore St. Burbank 300 Comment
  RSA591980  Filago californica Mark Hoefs, D. Propst 1973-3-14 90 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  UCR155373  Filago californica A. C. Sanders 2005-5-5 29916 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  UCR241090  Filago californica Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  POM277128  Filago californica E. S. Steele, H. S. Pratt 1935-5-10 s.n. Los Angeles West hills of Eagle Rock. Comment
  RSA579132  Foeniculum vulgare T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7442 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; narrow, eroded canyon through southerly coastal bluffs, ca. 2750m SE of Inspiration Point and 2680m WNW of White Point., Near 33 deg. 43 33.5 , 118 deg. 20 28 W 8 Comment
  UCD112548  Frangula californica Geoffrey Levin 1974-5-31 190 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Santa Ana River drainage area. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) 335 Comment
  CAS-BOT-BC52537  Frangula californica subsp. californica Steve Boyd; Amber Maurice 2004-5-18 11309 Los Angeles Transverse Ranges; Liebre Mountains region: Atmore Meadows area Comment
  POM49338  Frankenia grandifolia L. W. Nuttall 1920-6-3 s.n. Los Angeles Santa Catalina Island, on Pebble [Pebbly] Beach Comment
  UCR273024  Frankenia grandifolia F. R. Fosberg 1931-5-17 S- 4885 Los Angeles Channel Islands, Santa Catalina Island, Little Harbor 5 Comment
  RSA547829  Fraxinus dipetala Tim S. Ross, Peter Fritsch 1990-6-20 3640 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA0034700  Fraxinus velutina Louis C. Wheeler 1933-8-20 2091 Los Angeles 0.5 mi below Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mts. 290 Comment
  SEINET10500242  Fraxinus velutina var. coriacea Shutlz 1981-4-11 SHUTLZ 4938 Los Angeles Cultivated native plants, Rancho Santa ana Botanic Garden. 300 Comment
  SEINET11098561 Image available Funastrum hartwegii G. B. Grant July 03 972 Los Angeles Pasadena Comment
  SBBG83897  Galenia pubescens J. L. Johnson 1978-7-5 Los Angeles fuelbreak, Encinal Cyn Rd, Malibu Comment
  RSA164822  Galium andrewsii subsp. intermedium Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mtn. Angeles National Forest. 1616 Comment
  CAS-BOT-BC223026  Galium angustifolium A. C. Sanders; Helen Kennedy 2005-4-13 29458 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR116941  Galium angustifolium A. C. Sanders, D. Malueg 2001-5-17 24341 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  RSA0056247  Galium angustifolium subsp. angustifolium Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon. 543 Comment
  RSA747448  Galium angustifolium subsp. angustifolium R. G. Swinney 2005-5-14 8239 Los Angeles NE of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  POM367665  Galium angustifolium subsp. angustifolium Edwin Kline 1924-5-25 s.n. Los Angeles Bouquet Canyon, Sierra Pelona Mts. Comment
  SBBG17096  Galium angustifolium subsp. angustifolium K. A. Wilson 1961-4-20 1145 Los Angeles Soledad Cyn, sandy wash at base of Bee Cyn Comment
  RSA733558  Galium angustifolium subsp. gabrielense R. G. Swinney 1998-8-13 6755 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  UC1348982  Galium angustifolium subsp. gabrielense Robert F. Thorne, M. Z. Thorne 1967-7-19 37168 Los Angeles above Crystal Lake Recreation Area; San Gabriel Mts., Angeles National Forest, Big Cienega Sprin 1981 Comment
  CATA3326  Galium aparine Amy Catalano 2017-4-13 043 Los Angeles Santa Catalina Island: Edge of small rivulet about 170 meters SW of junction of Silver Peak and Water Tank roads 291 Comment
  SBBG89796  Galium aparine M. B. Dunkle 1939-4-3 7220 Los Angeles Chenetti Cyn Comment
  UCR205572  Galium aparine R. G. Swinney 2008-5-30 8877 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  RSA602749  Galium jepsonii Louis C. Wheeler 1967-8-1 10209 Los Angeles San Gabriel Mountains: Granite Mt.. . Comment
  UCR223275  Galium jepsonii R. G. Swinney 2009-7-29 11447 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  RSA602750  Galium johnstonii Louis C. Wheeler 1967-8-1 10217 Los Angeles San Gabriel Mountains: 1/2 mile N of Roundtop. 1890 Comment
  RSA454438  Galium parishii L. E. Hoffman 1932-10-2 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Baldy. Comment
  UCR200195  Galium porrigens var. porrigens Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 892 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlineset. 396 Comment
  UCR47500  Galvezia speciosa D. C. Michener, R. M. Beauchamp 1982-9-25 4092 Los Angeles Channel Islands, San Clemente Island: Wilson Cove canyon 46 Comment
  CAS-BOT-BC235476  Gambelia speciosa Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4430 Los Angeles San Clemente Island. E side of island, Bryce Cyn near Malo Point Comment
  SBBG96686  Gambelia speciosa S. Boyd with T. Ross, L. Arnseth 1990-4-7 4196 Los Angeles upper reaches of China Cyn Comment
  CAS-BOT-BC158013  Garrya veatchii Louis C. Wheeler 1932-1-15 435 Los Angeles San Antonio Wash 411 Comment
  NY42969  Garrya veatchii J. B. Walker 1995-3-30 1297 Los Angeles Angeles National Forest, Glendora Ridge Rd, 11km W of Baldy Village 1200 Comment
  RSA549150  Garrya veatchii Tim S. Ross 1990-6-20 3651 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA630285  Garrya veatchii LeRoy Gross 1999-1-16 106 Los Angeles San Gabriel Moutains: Grizzly Flat Road (dirt). Headwaters of Vasquez Creek, above Grizzly Flat. North side, near top of ridge. 1037 Comment
  SJSU3879  Garrya veatchii C. W. Sharsmith 1964-1-1 7175 Los Angeles near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mts 1066 Comment
  UC303662  Garrya veatchii I. M. Johnston 1918-5-19 1986 Los Angeles San Antonio Canyon; San Antonio Mountains 1371 Comment
  UCR55881  Garrya veatchii J. A. Adams 1965-3-11 63 Los Angeles San Gabriel Mtns, Palmer Canyon, 1/4 mi beyond Padua Hills, near Claremont. 823 Comment
  UCD66726  Gastridium phleoides Katharine Brandegee Date Unknown Los Angeles Catalina Island. Comment
  RSA311354  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, M. Z. Thorne 1969-7-9 38531 Los Angeles San Gabriel Mountains, Angeles National Forest: just S of Big Meadow, Big Pines 2088 Comment
  UCR271150  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-8 15480 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA735093  Gilia achilleifolia Rosemarie Zimmermann 1961-3-30 21 Los Angeles Blanchard Park, Pomona College. 366 Comment
  CDA40050  Gilia achilleifolia subsp. multicaulis T. C. Fuller 1962-4-1 8177 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  UC449832  Gilia angelensis I. J. Condit Los Angeles San Dimas Comment
  UCR190431  Gilia angelensis R. G. Swinney 2000-5-19 7685 Los Angeles San Gabriel Mtns., San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden Hills Rd. and 400 m west of stream 512 Comment
  RSA470113  Gilia angelensis Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  RSA756459  Gilia brecciarum subsp. brecciarum Orlando Mistretta, Christine Mistretta 2008-4-19 2496 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  UCR280902  Gilia cana R. G. Swinney 2014-4-23 16177 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA698341  Gilia capitata Pomeroy 1929-4-7 s.n. Los Angeles Benedict Canyon. Comment
  SBBG125861  Gilia capitata subsp. abrotanifolia A. Parikh, N. Gale 2010-6-2 3254 Los Angeles Sierra Pelona, 3.8 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1140 Comment
  UCR187011  Gilia capitata subsp. abrotanifolia A. C. Sanders 2006-4-25 32175 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
  UCR107811  Gilia latiflora subsp. davyi Steve Boyd, Valerie Soza 1998-4-28 10172 Los Angeles Liebre Mtns, Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Calif. Hwy 138, west of Fairmont Comment
  RSA20381  Gilia latiflora subsp. latiflora Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9494 Los Angeles Highway between Adelanto and Lancaster. Comment
  UCR269126  Gilia leptantha subsp. transversa Orlando Mistretta, Christine Mistretta 2011-6-15 5694 Los Angeles San Gabriel Mountains, northern edge of the mountains, 0.6 air mile north of Aliso Canyon Road 1078 Comment
  UCR89941  Gilia minor Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  RSA233399  Gilia nevinii R. F. Thorne 1966-4-17 36100 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  RSA527660  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4381 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  CAS-BOT-BC402000  Gilia ochroleuca subsp. bizonata Steve Boyd; Lauren Raz 1997-3-25 9315 Los Angeles Liebre Mountains Region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch 1280 Comment
  CAS-BOT-BC402011  Gilia ochroleuca subsp. bizonata Louis C. Wheeler 1973-4-7 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs Canyon Comment
  UCR129378  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1995-4-11 1621 Los Angeles San Gabriel Mtns, Santiago Canyon. W-draining slopes of Santiago Canyon c. 1 mi SW of the confluence with Little Rock Creek 1159 Comment
  RSA0016251  Gilia ochroleuca subsp. bizonata Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1148 Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit, Santiago Creek Section. Comment
  RSA0017191  Gilia ochroleuca subsp. vivida P. A. Munz 1921-6-18 4649 Los Angeles Sawmill, Swartout Valley. 2073 Comment
  UCD126380  Githopsis diffusa Scott D. White; Justin M. Wood 2009-5-6 12656 Los Angeles San Gabriel Mountains: San Gabriel River - West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UCR271064  Githopsis diffusa R. G. Swinney 2011-6-6 15015 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  CAS-BOT-BC266480  Githopsis diffusa H. E. Hasse 1895-5-15 s.n. Los Angeles Santa Monica [Unreadable] Comment
  POM358785  Gnaphalium californicum Gale Sphon 1955-5-12 s.n. Los Angeles Mulholland Drive. On fire road opposite Sepulvada fire road. Comment
  UCR179727  Gnaphalium californicum R. G. Swinney, Dave Larson 1996-7-17 5146 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA650963  Gnaphalium californicum Len Lorwin 1948-5-20 7 Los Angeles San Dimas Wash. 213 Comment
  RSA632523  Gnaphalium canescens subsp. beneolens L. C. Wheeler 1965-8-22 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon campground. Comment
  RSA127818  Gnaphalium ramosissimum Peter H. Raven, H. J. Thompson 1958-9-19 13722 Los Angeles Santa Monica Mountains, road borders of United States Hwy 101, 0.2 miles east of turn to Zuma Beach. 46 Comment
  LA204725  Grayia spinosa A. M. Johnson; 1932-4-17 3946 Los Angeles N of Palmdale Comment
  RSA578736  Grayia spinosa T. S. Ross, J. M. Porter 1994-5-1 7594 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA80713  Grindelia camporum F. W. Peirson 1928-9-5 8190 Los Angeles roadside about half dry meadows, Rock Creek, N slope of San Gabriel Mts. 1220 Comment
  RSA725861  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  UC63374  Gutierrezia californica Ernest Braunton 1902-7-1 570 Los Angeles Griffith Park Los Angeles, Griffith Park Comment
  POM16944  Gutierrezia microcephala P. A. Munz 1923-9-1 7721 Los Angeles Sheep Creek: San Antonio Mountains. 1372 Comment
  JEPS26136  Hazardia squarrosa var. grindelioides Peter H. Raven and Henry J. Thompson 1958-10-11 13743 Los Angeles at Coast Highway; Santa Monica Mountains, Las Tunas Canyon 152 Comment
  SEINET10454454  Hedera helix Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4769 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SEINET3859853  Hedypnois cretica R. G. Swinney 2009-3-26 10163 Los Angeles San Gabriel Mtns. Foothills: Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park.; 0 296 Comment
  POM308919  Helenium puberulum Kay H. Beach 1943-8-11 1884 Los Angeles along the road below Lysmiters, Tanbark 762 Comment
  UCR125140  Helianthus annuus subsp. lenticularis A. C. Sanders, Mark Elvin 2002-6-25 25269 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  POM359984  Helianthus annuus subsp. lenticularis F. R. Fosberg 1930-10-18 641 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  UCR269136  Helianthus gracilentus Orlando Mistretta, Christine Mistretta 2011-7-6 5917 Los Angeles San Gabriel Mountains, Fall Creek Canyon, tributary of North Fork Mill Creek, along Forest Road 3N27 1239 Comment
  SD252295  Heliotropium curassavicum Steven A. Junak 2000-6-30 Sca 1357 Los Angeles Santa Catalina Island: At upper end of Little Harbot, near camp area, campground (N end) 7 Comment
  UCR55334  Heliotropium curassavicum 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
  POM369758  Heliotropium curassavicum var. oculatum L. E. Hoffman 1932-8-2 s.n. Los Angeles Playa del Rey Comment
  SBBG31127  Helminthotheca echioides R. F. Thorne 1966-5-31 36450 Los Angeles isthmus, rd back of Little Harbor 4 Comment
  UCR215349  Hemizonia Michael Honer, Crissy Slaughter, Julie Love 2009-4-29 3287 Los Angeles Western Mojave Desert, Antelope Valley; 0.75 mi. north of Hwy 138, 1.2 miles east of 170th St. 793 Comment
  RSA599684  Hemizonia fasciculata Steve Boyd, Lauren Raz 1997-5-6 9703 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  SBBG127473  Heteromeles arbutifolia D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 3 Los Angeles Deer Valley Trail 4 Comment
  SBBG94399  Heteromeles arbutifolia Knopf, Johnson 1930-1-30 695 Los Angeles Avalon Cyn Comment
  LA37426  Heterotheca grandiflora Elizabeth McClintock; 1943-9-10 sn Los Angeles Santa Monica Mountains, Westwood Blvd, UCLA campus Comment
  UC897764  Heterotheca grandiflora Marcus E. Jones, A. M. 1882-3-7 3614 Los Angeles Pasadena Comment
  UCR259768  Heterotheca grandiflora R. G. Swinney 2010-4-28 12396 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA0075654  Heterotheca grandiflora R. G. Swinney 1989-5-11 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. SE corner of Big Dalton debris basin. 351 Comment
  UCR125131  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25102 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  CAS-BOT-BC311260  Heterotheca sessiliflora subsp. echioides F. Grinnell Jr. 1917-8-29 s.n. Los Angeles Chiles Flat, San Gabriel Mountains Comment
  SBBG63121  Heterotheca sessiliflora subsp. echioides R. Hoffmann 1928-7-9 Los Angeles Hughes Lake Comment
  CDA30209  Heterotheca sessiliflora subsp. fastigiata J. Dittes 2003-12-27 860 B Los Angeles Western Transverse Ranges; Big Tujunga Canyon; floodplain of Big Tujunga Creek; ca. 1.8 air-miles north by northeast of Sunland, ca. 2.2 air-mile north by northeast of Verdugo Hills High School, ca. 0.9 air-mile southwest of confluence Gold Canyon Comment
  SJSU13545  Heterotheca sessiliflora subsp. fastigiata C. W. Sharsmith 1940-8-29 4230 Los Angeles head of Eaton Canyon, San Gabriel Mts 1371 Comment
  SFV4942  Heuchera elegans M. H. Grayum 1971-7-9 s. n. Los Angeles San Gabriel Mountains Cortelyou Spring, just east of Islip Saddle. 2073 Comment
  RSA0062930  Heuchera elegans Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  POM360453  Hieracium albiflorum Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  RSA653893  Hirschfeldia incana Valerie L. Soza, Laura Moore 2000-5-10 826 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. 579 Comment
  LA32278  Hirschfeldia incana Peter H. Raven; Henry J. Thompson 1959-9-6 14376 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  SD181761  Holcus lanatus Louis C. Wheeler 1973-7-15 Los Angeles San Gabriel Mountains: Graveyard Canyon, second side canyon. South slope Comment
  UC56556  Holodiscus discolor Ernest Braunton 1902-6-13 462 Los Angeles Griffith Park Comment
  CAS-BOT-BC149958  Holodiscus discolor var. discolor Fordyce Grinnell 1916-6-10 s.n. Los Angeles Sister Elsie Pk., San Gabriel Mts. Comment
  RSA0115283  Holodiscus discolor var. microphyllus Richard G. Swinney 2010-9-23 13889 Los Angeles San Gabriel Mountains: summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA191179  Holodiscus microphyllus Robert F. Thorne, M. Z. Thorne 1967-7-19 s.n. Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
  SD254506  Hordeum brachyantherum subsp. brachyantherum R. G. Swinney 2011-6-7 15058 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct. at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1575 Comment
  POM352488  Hordeum depressum F. R. Fosberg 1931-5-21 S 4945 Los Angeles Parson's Landing, Santa Catalina Island. 10 Comment
  SBBG113143  Hordeum intercedens S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 392 Los Angeles E side of Catalina Harbor, just E of end of rd at Triangulation Station "Harbor" 36 Comment
  UCR274108  Hordeum intercedens Steven A. Junak 1999-5-20 SCa- 954 Los Angeles Channel Islands, Santa Catalina Island, Cottonwood-Black Jack Road, plant stop 305 Comment
  UCR155130  Hordeum marinum subsp. gussoneanum A. C. Sanders 2005-5-5 29937 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, SW end of Cruzan Mesa at site of former dairy, east of Bench Mark 'Plum 655 Comment
  RSA609606  Hordeum murinum subsp. leporinum L. C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 411 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
  HSC10233  Hordeum vulgare J. Rockwell 1962-4-15 111 Los Angeles Santa Ana, Harbor Freeway, 3 mi. S of Santa Ana Comment
  CAS-BOT-BC55481  Hornungia procumbens Ernest C. Twisselmann 1962-4-10 6849 Los Angeles Mojave Desert. Antelope Valley. Avenue A 2.8 miles west of Highway 6. Comment
  CAS-BOT-BC311969  Hulsea heterochroma Timothy S. Ross; Steve Boyd 1994-6-23 8042 Los Angeles Liebre Mountains. Sawmill Mountain: 5514-ft summit and immediately adjacent slopes 1680 Comment
  RSA0077382  Hulsea vestita Orlando Mistretta 1992-8-20 s.n. Los Angeles San Gabriel Mts. region: Mt. Gleason Management Unit. Mt. Gleason. Tujunga Ranger District. Comment
  UCR141803  Hulsea vestita subsp. vestita June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, 1 mile east of Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2195 Comment
  RSA498161  Hypochaeris Sam Tyson 1943-4-13 s.n. Los Angeles San Dimas Canyon. Comment
  CATA2007  Isocoma menziesii Steven A. Junak, Keri Kirkland 1997-11-15 Los Angeles Santa Catalina Island: 1 mile NW of Cactus Peak, at E end of conspicuous limestone ridge 387 Comment
  RSA0092870  Isocoma menziesii Steven A. Junak, Keri Kirkland 1998-7-17 SCa- 787 Los Angeles Santa Catalina Island: At mouth of Silver Canyon. 3 Comment
  POM359492  Isocoma menziesii var. decumbens F. R. Fosberg 1931-7-15 S 5421 Los Angeles Isthmus, Santa Catalina Island. 20 Comment
  CAS-BOT-BC311715  Isocoma menziesii var. vernonioides Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach Comment
  RSA748781  Isomeris arborea Justin M. Wood 2009-4-7 469 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA755712  Ivesia santolinoides R. G. Swinney 2008-7-3 9161 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp. 2329 Comment
  UCR95551  Juglans Steve Boyd, Lauren Raz 1996-9-24 8928 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Canyon, south of Liebre Mtn. 930 Comment
  CAS-BOT-BC101907  Juglans californica L. R. Abrams 1912-7-7 4888 Los Angeles North slope of Santa Monica Mts. near Cahuenga Pass Comment
  RSA580972  Juglans californica Catherine A. Mish 1995-3-9 23 Los Angeles Santa Monica Mts., Hollywood Reservoir. 250 Comment
  RSA599208  Juglans californica Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: West Debris Basin, Brown School for Girls. 518 Comment
  SFV840  Juglans californica var. californica P. G. Kilburn 1957-10-31 524 Los Angeles Simi Hills 2 miles west of Chatsworth Reservoir. 100 yards below gate. 350 Comment
  UC34950  Juglans californica var. californica unknown 1825-9-20 Los Angeles Azusa Comment
  RSA0011171  Juglans californica var. californica Thomas Seerley 1948-2-22 s.n. Los Angeles San Gabriel Mountains, Glendora. 457 Comment
  UCR282437  Juglans hindsii D. E. Bramlet, Robt. L. Allen 2011-5-23 4841 Los Angeles Whittier Narrows Recreation Area, 150 ft. east of the Rio Hondo Channel, 2,125 ft west of Rosemead Blvd. , 720 ft. east of San Gabriel Blvd. & 30 ft. west of the Bike path 63 Comment
  UCR204752  Juncus R. G. Swinney 2005-8-9 8426 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  SD85159  Juncus acutus E. R. Blakely 1961-9-24 4784 Los Angeles Dry stream of Little Springs Canyon, Santa Catalina Island. Along a dry rocky stream bed. 14 Comment
  IRVC29644  Juncus acutus subsp. leopoldii A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26216 Los Angeles Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch Western San Gabriel Mtns. 351 Comment
  RSA755831  Juncus balticus subsp. ater R. G. Swinney 2008-10-7 9489 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak 1622 Comment
  UCR154362  Juncus bufonius A. C. Sanders 2005-5-5 29901 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  UCR210108  Juncus bufonius R. G. Swinney 2008-10-16 9626 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  UC1155175  Juncus duranii Victor Duran 1933-7-22 3527 Los Angeles Buckhorn San Gabriel Mountains 1981 Comment
  RSA776390  Juncus macrophyllus Orlando Mistretta, Christine Mistretta 2010-5-22 5186 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  RSA368126  Juncus mexicanus F. R. Fosberg 1931-4-15 S- 4619 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA657296  Juncus mexicanus Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -5 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  LA211114  Juncus patens Arthur C. Gibson; Tarja Sagar 2009-6-30 5263 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, Near M.A.S.H. film site. Comment
  RSA0072150  Juncus rugulosus Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  UCR248936  Juncus rugulosus Peter Rubtzoff 1988-10-7 9959 Los Angeles San Gabriel Mountains, Gold Creek Road near junction with Little Tujunga Road, Little Tujunga Canyon, c. 2 miles NE of entrance to Angeles National Forest, or c. 4 miles NE of junction of Osborne St. and Foothill Blvd. 479 Comment
  RSA0127185  Juncus rugulosus Louis C. Wheeler 1967-7-20 10135 Los Angeles Aliso Canyon. 1067 Comment
  RSA628883  Juncus tiehmii L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1493 Comment
  RSA777205  Juncus tiehmii Orlando Mistretta, Christine Mistretta 2010-5-19 5121 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
  LA201792  Juncus xiphioides Arthur C. Gibson; 2003-5-30 4946 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, Nickerson Arroyo Sequit National Recreation Area, E of residence. Comment
  RSA0011358  Juncus xiphioides Orlando Mistretta, Youssef Atallah 2011-8-12 6017 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy 1083 Comment
  RSA595809  Juncus xiphioides Lauren Raz, Steve Boyd 1996-10-23 42 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 609 Comment
  UCR57215  Juncus xiphioides 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
  CATA305  Juncus xiphioides Mark L. Hoefs 1973-6-5 326 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon, below Edison station, in stream 274 Comment
  RSA729911  Juniperus californica Robert F. Thorne 1973-5-11 43569 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  UCD133681  Juniperus californica Daryl Koutnik 1978-4-28 441 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 Comment
  RSA401764A  Keckiella cordifolia Fay A. MacFadden 1931-05 3005 Los Angeles La Tuna Canyon, Verdugo Hills Comment
  RSA401771A  Keckiella cordifolia Christopher Davidson, B. Gustafson 1975-6-24 2873 Los Angeles Big Tujunga Canyon. On Road 2N78, ca. 5 mi. NE of Sunland. 686 Comment
  RSA584224  Keckiella cordifolia Tim S. Ross, Orlando Mistretta 1993-5-27 7320 Los Angeles Ridge dropping westward from Loop Canyon Road toward Wilson canyon 841 Comment
  RSA597134  Keckiella cordifolia Louis C. Wheeler 1961-6-12 7865 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1067 Comment
  RSA640733  Keckiella cordifolia Louis C. Wheeler 1931-4-27 s.n. Los Angeles College Way: (vicinity of Claremont). Comment
  RSA79774  Keckiella cordifolia F. W. Peirson 205 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  UCR71454  Keckiella cordifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4426 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  CAS-BOT-BC238333  Keckiella ternata var. septentrionalis Tim Ross; Steve Boyd 1992-7-5 6603 Los Angeles Liebre Mountains. Red Mountain: E ridge of Red Mtn, ca 530 m E of the summit 1118 Comment
  RSA529181  Koeleria macrantha Timothy S. Ross, Steve Boyd 1991-7-24 5619 Los Angeles Granite Mountain vicinity: ridge NNE of G.M. 1890 Comment
  RSA0119945  Krascheninnikovia lanata R. G. Swinney 2014-4-23 16181 Los Angeles San Gabriel Mountains: east of Valyermo, Holcomb Ridge, 0.18-032 miles north of Bob's Gap Rd. 1.04 air-miles west of Bob's Gap. 1268 Comment
  SBBG13817  Lamarckia aurea M. A. Piehl 1962-10-3 62483 Los Angeles above S fork of Gallagher Cyn 396 Comment
  UCD63314  Lamarckia aurea A. A. Beetle 1942-4-17 3078 Los Angeles Rt. 101A, 5 miles south of County line from Vent. Co. Comment
  RSA602469  Lastarriaea coriacea Scott D. White 1997-5-15 5145 Los Angeles Big Tujunga Wash: Sunland-Tujunga area;alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  CAS-BOT-BC338119  Lasthenia californica Le Roy Abrams 1901-4-2 1248 Los Angeles Santa Monica Mts. 213 Comment
  CAS-BOT-BC338145  Lasthenia californica C. C. Parry; J. G. Lemmon 1876-1-1 193 Los Angeles Unspecified Comment
  UC75846  Lasthenia coronaria unknown May 1901 99 Los Angeles Altadena Comment
  CAS-BOT-BC354220  Lasthenia coronaria Lilian Wheeler 1895-3-16 s.n. Los Angeles Claremont Comment
  UC373332  Lasthenia glabrata subsp. coulteri Marcus E. Jones 1882-5-1 Los Angeles Pasadena Comment
  SEINET11447695 Image available Lasthenia gracilis H. M. Hall 1903-1 3764 Los Angeles Playa del Rey 6 Comment
  SEINET13203156 Image available Lasthenia gracilis R. G. Swinney 2010-1 12744 Los Angeles San Gabriel Mountains: Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m, to the east on the south side of West Carson Mesa Rd. (Acton 7.5' Q.) (T5N R12W S28) 920 Comment
  UCD133830  Lasthenia gracilis M. Vincent 1963-5-7 349 Los Angeles Santa Susana Valley, 3 miles west of Simi, beside the railroad tracks. 292 Comment
  SEINET956182  Lathyrus strictus Rea Raymond 1961-1 41 Los Angeles Little Jajunge Canyon. Angeles National Forest. Comment
  RSA760559  Lathyrus vestitus R. G. Swinney 2009-3-10 10059 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA213336  Lathyrus vestitus subsp. alefeldii Reid V. Moran 1941-2-28 605 Los Angeles Johnson Valley, Santa Catalina Island 250 Comment
  RSA406621  Lathyrus vestitus subsp. alefeldii Anstruther Davidson 1921-5-1 s.n. Los Angeles Santa Monica Mountains Comment
  RSA405695  Lathyrus vestitus subsp. laetiflorus Christina Clark 1929-1-16 7120 Los Angeles North Hollywood Comment
  UC15339  Lathyrus vestitus subsp. laevicarpus J. H. Barber 1897-1-9 14 Los Angeles Santa Monica Canyon Comment
  OBI13237  Lathyrus vestitus var. alefeldii D. H. Thomson 1944-4-7 s.n. Los Angeles Burbank, Verdugo Hills mt range 671 Comment
  RSA406631  Lathyrus vestitus var. vestitus Fay A. MacFadden 1931-3-31 s.n. Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA658827  Lathyrus vestitus var. vestitus J. S. Burns 1992-5-11 2953 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest. 762 Comment
  RSA405684  Lathyrus vestitus var. vestitus E. Mannatt 1931-5-9 19217 Los Angeles Mt. Baldy Comment
  RSA724458  Lavandula K. Dobry 1991-5-18 607 Los Angeles At 415 Stunt Rd. Santa Monica Mts. Cold Creek Cyn Comment
  RSA434059  Lavatera assurgentiflora subsp. assurgentiflora Unspecified 1931-7-2 s.n. Los Angeles El Segundo. Comment
  RSA434060  Lavatera assurgentiflora subsp. assurgentiflora H. L. Bauer 1931-7-19 s.n. Los Angeles Sawtelle. Comment
  RSA361619  Layia glandulosa Fordyce Grinnell Jr 1921-4-3 s.n. Los Angeles Tujunga Wash Comment
  SD104871  Layia glandulosa Darley Howe 1979-4-30 Los Angeles 2 Miles northwest of Devil's Punch Bowl 1435 Comment
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Jul 11 2010
  UCR256627  Layia glandulosa Mitch Provance 2010-5-4 0510- 40 Los Angeles Tehachapi Mtns., ridgeline overlooking Hwy I-5 about 0.4 miles NE of Gorman 1430 Comment
  UCR82275  Layia glandulosa J. M. Stewart 1994-4-11 827 Los Angeles Western Mojave Desert, Antelope Valley, Munz Canyon Road, near Elizabeth Lake 1098 Comment
  SBBG17772  Layia platyglossa P. H. Raven 1962-4-10 17237 Los Angeles gully to W side of island about 1.5 mi N of Thirst 457 Comment
  CAS-BOT-BC377807  Layia platyglossa Geo. L. Moxley 1915-4-19 313 Los Angeles East Hollywood Comment
  SBBG17799  Layia platyglossa P. H. Raven 1962-5-9 17662 Los Angeles cyn at S end of Mosquito Cove 320 Comment
  UCR169503  Lemna A. C. Sanders, Mark Elvin 2002-6-19 25166 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA306199  Lepidium dictyotum var. acutidens Fay A. MacFadden 1934-3-18 12453 Los Angeles Waste land, Culver City Comment
  UCSB10039  Lepidium flavum Haller, John 1957-4-13 Los Angeles 1 mile W of Los Angeles- San Bernardino Co. line; ca. 32 road miles E of Palmdale 914 Comment
  SBBG33449  Lepidium fremontii A. D. E. Elmer -Jun-1902 3632 Los Angeles Lancaster Comment
  SBBG131802  Lepidium lasiocarpum S. A. Junak, B. Collins 1991-4-24 SCI 193 Los Angeles W side of W Shore Rd, at end of rd 36 Comment
  CAS-BOT-BC12467  Lepidium nitidum P. A. Munz 1918-4-5 2029 Los Angeles South Hills, Pomona. Comment
  SBBG13458  Lepidium nitidum E. R. Blakley 1962-6-9 5181 Los Angeles Triangulation Pt Thirst 598 Comment
  RSA674650  Lepidium virginicum var. pubescens Scott D. White 2000-5-18 7892 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA429662  Lepidium virginicum var. pubescens E. S. Spalding 1922-12-1 s.n Los Angeles Wet places, near Glendale Comment
  POM346619  Lepidium virginicum var. robinsonii Barry Burnell 1971-3-19 246 Los Angeles Claremont, the Pomona College Wash, south east corner. 335 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
  RSA659803  Lepidospartum squamatum Fred Brooks 1988-4-23 21 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  UCR206130  Lepidospartum squamatum A. C. Sanders, T. B. Salvato 2009-5-29 37047 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UCSB27668  Lepidospartum squamatum Lavinger, S. 1975-10-8 Los Angeles On Wentworth Street, 0.2 miles north from its junction with Stonehurst Avenue, San Fernando Valley 152 Comment
  UCSB6627  Lepidospartum squamatum Gill, Robert 1959-10-4 Los Angeles San Antonio Canyon, old stream bed; San Gabriel Mt. Range; Pacific Slope drainage area 1036 Comment
  UCR248883  Leptochloa fusca subsp. uninervia Peter Rubtzoff 1988-10-7 9961 Los Angeles San Gabriel Mountains, Gold Creek Road near junction with Little Tujunga Road, Little Tujunga Canyon, c. 2 miles NE of entrance to Angeles National Forest, or c. 4 miles NE of junction of Osborne St. and Foothill Blvd. 479 Comment
  RSA648260  Leptodactylon californicum Jami Liberi 1983-5-19 34 Los Angeles Located in Claremont, across the [street] from the San Antonio Dam. 640 Comment
  UC1211127  Leptodactylon californicum Huron H. Smith 1912-5-1 4897 Los Angeles Eagle Rock Valley 152 Comment
  CATA2953  Leptosiphon bicolor Sarah Ratay, Lauren Danner 2006-4-25 96 Los Angeles Santa Catalina Island: On way to Ophioglossum site 0 Comment
  RSA780120  Leptosiphon breviculus J. Mark Porter 2005-6-8 14441 Los Angeles Table Mountain, San Gabriel Mountains. Comment
  RSA593449  Leptosiphon liniflorus Steve Boyd 1996-4-24 8650 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA73076  Leptosiphon liniflorus F. W. Peirson 1922-6-3 3077 Los Angeles North of Collins Ranch, Oakgrove Canyon, Liebre Mts. 1006 Comment
  RSA612151  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, Kent Hughes 1998-5-5 10180 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1158 Comment
  UCR209993  Lessingia filaginifolia R. G. Swinney 2008-7-16 9254 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  IRVC28662  Lessingia glandulifera A. C. Sanders 2003-8-4 27105 Los Angeles Newhall Ranch, canyon in low hills north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  CAS-BOT-BC339286  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-9-15 4078 Los Angeles Mint Canyon, 9 1/2 mi. above Saugus. Opposite Glenwood's Cafe on Highway 457 Comment
  UCR125933  Lessingia glandulifera var. glandulifera A. C. Sanders, Mark Elvin 2002-6-19 25192 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
  UCR206264  Lessingia glandulifera var. glandulifera R. G. Swinney 2008-6-4 8943 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  RSA233537  Lessingia glandulifera var. glandulifera R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42109 Los Angeles San Gabriel Mountains, Angeles National Forest: c. 2.0 mi SE of Valyermo on road to Jackson Lake. 1433 Comment
  CAS-BOT-BC339566  Lessingia glandulifera var. peirsonii Steve Boyd; Lauren Raz 1997-5-28 9897 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 938 Comment
  UC284739  Lessingia glandulifera var. peirsonii P. A. Munz 1923-6-9 6936 Los Angeles near Elizabeth Lake (canyon n of Pine Canyon) 1219 Comment
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Feb 15 2016
  POM11662  Lewisia rediviva P. A. Munz 1921-6-17 4609 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  RSA79231  Lewisia rediviva G. R. Campbell 1952-6-8 18504 Los Angeles Blue Ridge, Big Pines Recreation area, San Gabriel Mts 2134 Comment
  RSA708770  Leymus condensatus Valerie L. Soza, Bill Hogshead 2003-4-23 1645 Los Angeles Brand Park, Brand Canyon. 351 Comment
  SBBG59322  Leymus triticoides R. Hoffmann 1927-6-14 Los Angeles Gorman Comment
  UCR256477  Lilium humboldtii subsp. ocellatum R. G. Swinney 2010-6-8 13205 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  CATA3494  Limonium perezii Benjamin J. Dion, Nathalie Cartan, Michael Thomas, Julia Parish 2017-10-11 046 Los Angeles Santa Catalina Island: Channel side; landscaped area on northeast edge of empty lot between Marilla Ave and Hiawatha Ave in Avalon 47 Comment
  UCD98515  Limonium perezii Arthur Alcantara; Earl Brown 1993-4-6 s.n. Los Angeles Palos Verdes Peninsula, Hawthorne Blvd. to end towards ocean, make rt. On Palos Verdes Dr. West, left on Via Margarita to end, hike through gate down cliffs to shoreline, sea level. 540 Comment
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Jul 8 2014
  SD107832  Limonium sinuatum Mark Hoefs 1973-7-13 376 Los Angeles Open area between # 3 golf fairway and main road. 46 Comment
  UCR14497  Linanthus breviculus George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns., Calif. Hwy 2, 2 miles SW of Calif. Hwy 138, beside Sheep Creek 1524 Comment
  UCR43305  Linanthus breviculus David Charlton 1986-6-15 225 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  CAS-BOT-BC226759  Linanthus californicus Fordyce Grinnell, Jr. 1904-6-27 s.n. Los Angeles Pasadena Comment
  RSA549149  Linanthus californicus T. S. Ross, Peter Fritsch 1990-6-20 3653 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  UCR185597  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
  RSA756588  Linanthus dichotomus Orlando Mistretta, Christine Mistretta 2008-4-30 2559 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  RSA599548  Linanthus parryae Steve Boyd, Lauren Raz 1997-4-16 9530 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  UCSB40480  Linanthus parryae Williams, Mark 1978-4-22 Los Angeles 500 feet north of Hwy 138, 15 miles east of Interstate 5 883 Comment
  UCSB7544  Linanthus parryae Phillips, Priscilla 1958-4-26 Los Angeles 2 miles south of Palmdale, route 138 Comment
  LA82094  Lithophragma affine O. H. Kappler; 1941-5-8 248 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  RSA674649  Lithophragma affine Scott D. White, Pam DeVries 2000-5-18 7893 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  CAS-BOT-BC426259  Lithophragma affine Geo. B. Grant 1904-5-5 6186 Los Angeles Arroyo Seso Canyon, Pasadena Comment
  RSA468222  Lithophragma affine E. S. Spalding 1931-4-1 s.n. Los Angeles Monrovia Canyon. Comment
  UCR180712  Lithophragma bolanderi R. G. Swinney 1995-4-4 3481 Los Angeles San Gabriel Mtns, Glendora, ridge overlooking south end of Mystic Canyon at Big Dalton Canyon 451 Comment
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Mar 18 2013
  RSA616931  Lithophragma bolanderi Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  UCSB33630  Lobelia dunnii Griesel, Wesley 1961-9-2 Los Angeles Switzers Camp, San Gabriel Mts. 762 Comment
  RSA133800  Lobularia maritima P. H. Raven 1959-2-15 13784 Los Angeles Beverly Glen Canyon 2.6 miles north of Sunset Blvd. 213 Comment
  SBBG126035  Loeflingia squarrosa A. Parikh, N. Gale 2010-5-6 3146 Los Angeles spillway channel of Santa Fe Flood Control Basin, 0.4 km NNE of intersection of I-605/Arrow Hwy 130 Comment
  POM364835  Loeseliastrum matthewsii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA739664  Logfia filaginoides John Dittes 2006-5-30 1376 Los Angeles Western Transverse Range, San Gabriel Mtns, Big Tujunga Canyon, 3.7 air miles NE of Verdugo Hills High School, 2.5 air mile SW of Condor Peak, 2.5 air miles SSE of Mt. McKinley 529 Comment
  POM356945  Lolium perenne subsp. multiflorum Robert Gustafson 1981-4-29 2228 Los Angeles Ballona Wetlands, Area 2. Comment
  LA51831  Lomatium dasycarpum Carl Epling; 1926-5-8 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SD121797  Lomatium dasycarpum Ralph Hoffmann 1931-5-3 329 Los Angeles Brushy slope, southern end of Bouquet Canyon. Comment
  SBBG59709  Lomatium dasycarpum subsp. dasycarpum R. Hoffmann 1931-5-3 Los Angeles Bouquet Cyn Comment
  UC1605243  Lomatium dasycarpum subsp. dasycarpum Tim Ross and Steve Boyd 1993-5-23 7250 Los Angeles ca. 700-840 m. s.e. of saddle between Ruby and Clearwater Canyon (lower e. ridge of Red Mt.); n.w. Los Angeles Co., Liebre Mts., Red Mt., Green Valley Qua 938 Comment
  UCR280889  Lomatium lucidum R. G. Swinney 2014-5-15 16507 Los Angeles San Gabriel Mountains, Glendora, ridge system between west and north forks of Hook Cyn., 0.48 miles north of Sierra Madre Ave. 427 Comment
  RSA649697  Lomatium mohavense Michael Horn 1991-4-7 3 Los Angeles San Gabriel Mountains, Topo.: Mescal Creek. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile of the unnamed dirt road to site. 1463 Comment
  SEINET12118927  Lomatium mohavense H. H. Heller 1937-1 424 Los Angeles 20 mi E of Lancaster on Victorville Road Comment
  SEINET13944683 Image available Lomatium utriculatum Frank W. Gould 1944-1 2297 Los Angeles Near corner of Ardsheal Drive and Skyline Drive, Whittier Hills Comment
  UC1375330  Lomatium utriculatum C. W. Tilforth 1969-4-14 181 Los Angeles between Whittier and West Covina (along Colima Ave. just n. of Punta del Este Rd.) Comment
  RSA592022  Lonicera Mark Hoefs, D. Propst 1973-3-14 107 Los Angeles Santa Catalina Island: Moonstone canyon, east of Whites Landing; open canyon bottom 61 Comment
  SD28033  Lonicera catalinensis Carl B. Wolf 1932-5-9 3494 Los Angeles Santa Catalina Island; along road to Renton Mine, west of Pebbly Beach. Comment
  LA47632  Lonicera hispidula var. vacillans Henry J. Thompson; 1960-6-7 3070 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, in deep side canyon ca 0.4 mi S of tunnel, 1.6 mi S of Tapia Park. 152 Comment
  POM155668  Lonicera hispidula var. vacillans M. B. Dunkle 1928-5-20 1965 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 213 Comment
  RSA584886  Lonicera interrupta T. S. Ross 1990-6-1 2779 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  SBBG31036  Lonicera subspicata R. F. Thorne with D. Propst 1968-5-27 37623 Los Angeles upper Skull Cyn 304 Comment
  POM68126  Lonicera subspicata var. denudata Marcus E. Jones 1902-6-20 s.n. Los Angeles Mountains near Pasadena. Comment
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Mar 6 2011
  RSA455359  Lonicera subspicata var. denudata Fay A. MacFadden 1931-7-8 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA455360  Lonicera subspicata var. denudata Fay A. MacFadden 1931-04 s.n. Los Angeles Verdugo Mountains: La Tuna Canyon. Comment
  RSA747162  Lonicera subspicata var. denudata R. G. Swinney 2008-5-30 8905 Los Angeles San Gabriel Canyon near El Encanto, 200 m west of entrance along Hwy 39 232 Comment
  CAS-BOT-BC198567  Lotus A. D. E. Elmer 1902-6-1 3697 Los Angeles Acton, Mt. Gleason Comment
  RSA406764  Lotus argophyllus subsp. ornithopus Reid V. Moran 1941-2-19 594 Los Angeles San Clemente Island. Middle Ranch. 500 Comment
  RSA158293  Lotus argophyllus subsp. ornithopus P. H. Raven 1962-4-9 17149 Los Angeles San Clemente Island: on sides of small arroyo above Wilson Cove 61 Comment
  UC866487  Lotus argophyllus var. argenteus Ezra C. Knopf 378 Los Angeles Santa Catalina Island Comment
  HSC98255  Lotus corniculatus C. S. Apperson 1967-6-26 Los Angeles Newhall Ranger Station Comment
  UCR124709  Lotus crassifolius B. C. Templeton 1932-6-19 4939 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  UC534830  Lotus crassifolius var. crassifolius Victor Duran 1933-7-8 3504 Los Angeles Horse Flats San Gabriel Mts. 1676 Comment
  UC1211036  Lotus dendroideus var. dendroideus Huron H. Smith 1912-5-31 5057 Los Angeles Pebble Beach Road; Santa Catalina Island 7 Comment
  UC457227  Lotus grandiflorus Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mountains Comment
  RSA729825  Lotus grandiflorus var. grandiflorus R. G. Swinney 1998-7-2 6268 Los Angeles San Gabriel Mtns.: north of Table Mountain, Wrightwood area, 1.9 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1890 Comment
  UC284814  Lotus heermannii P. A. Munz 1923-5-25 6819 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  RSA0021512  Lotus nevadensis Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5140 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA90362  Lotus nevadensis var. davidsonii F. W. Peirson 1929-7-1 8447 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  UCR205708  Lotus purshianus A. C. Sanders, T. B. Salvato 2009-5-18 36805 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  UC1129241  Lotus purshianus var. purshianus Jerome S. Horton 1935-7-18 210 Los Angeles above Dalton Canyon C.C.C. Camp; Pomona Quad. 426 Comment
  SFV17856  Lotus salsuginosus var. salsuginosus J. N. Hogue 1998-11-19 130 .3 Los Angeles San Gabriel Mountains San Gabriel Canyon, Highway 39 just west of Morris Reservoir. 396 Comment
  RSA608608  Lotus scoparius L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  RSA670200  Lotus scoparius Joseph M. Keefe 2001-3-16 31110 -a Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  RSA658473  Lotus scoparius Erinn Wilson 1996-4-26 2 Los Angeles G Canyon on Cal Poly Campus Pomona. Comment
  SEINET12151341  Lotus scoparius H. M. Hall 1902-1 3094 Los Angeles San Francisquito Pass 457 Comment
  RSA652464  Lotus scoparius var. brevialatus N. D. Hogg 1969-5-11 s.n. Los Angeles Mountain Avenue and Mount Baldy Road, Padua Hill. Rocky alluvial fan of San Antonio Canyon. Comment
  LA52438  Lotus strigosus Louis C. Wheeler; 1932-3-23 520 Los Angeles Santa Monica Mountains, Westwood, near UCLA campus 121 Comment
  RSA0081708  Lotus strigosus R. G. Swinney 2011-7-21 15551 Los Angeles Strawberry Peak summit. 1860 Comment
  UCR259580  Lotus strigosus R. G. Swinney 2010-5-11 12621 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  JEPS55864  Lotus strigosus A. M. Ottley 1920-5-9 644 Los Angeles e trail Mt. Lowe San Gabriel Mts., Mt. Lowe 1371 Comment
  RSA0041773  Lotus strigosus Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2806 Los Angeles Santa Catalina Island: HIllside above upper Cape Canyon. 359 Comment
  RSA660882  Lotus strigosus var. hirtellus Orlando Mistretta 1992-4-5 145 Los Angeles Guds, San Clemente Island. Comment
  RSA155865  Lotus strigosus var. strigosus P. H. Raven 1962-5-8 17600 Los Angeles near mouth of canyon at south end of Seal Cove, San Clemente Island 23 Comment
  RSA533497  Lotus strigosus var. strigosus T. S. Ross 1991-3-9 4195 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyon. 290 Comment
  RSA188232  Lupinus albifrons var. eminens R. F. Thorne, P. C. Everett 1965-6-23 34987 Los Angeles W of Avalon along road to airport. 183 Comment
  CATA1588  Lupinus bicolor Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2858 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  RSA0047915  Lupinus bicolor R. G. Swinney 2010-5-12 12737 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA588148  Lupinus bicolor Orlando Mistretta 1994-5-23 1225 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1341 Comment
  RSA659948  Lupinus bicolor Orlando Mistretta 1992-5-18 350 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SBBG71253  Lupinus bicolor R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UC1129387  Lupinus bicolor A. D. Gifford 1935-3-15 475 Los Angeles mouth of Elizabeth Lake Canyon; Angeles National Forest, Tejon Quad. Comment
  UCR198513  Lupinus bicolor Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  UC1203737  Lupinus bicolor Dave Dunn 1941-3-29 938 Los Angeles 5th Ave 1 mi e Pomona ((near or over boundary) Los Angeles Co.); e of Pomona Comment
  SEINET10484915  Lupinus bicolor subsp. pipersmithii Robert F. Thorne 1966-4-6 Thorne 35911 Los Angeles Santa catalina island: margin of small reservoir n of catalina airport, elev. Ca. 1430'; With juncus bufonius, plantago coronopus, p. Erecta, p. Insularis, Gnaphalium luteo-album, spergularia bocconii, etc. 436 Comment
  SEINET10484944  Lupinus bicolor subsp. tridentatus Ernest C. Twisselmann 1966-4-27 Twisselmann 12109 Los Angeles Sw side of antelope valley, los angeles county. Flowers blue. Abundant on an abandoned farming field, growing in light Gravelly soil. Originally joshua tree woodland. 884 Comment
  OBI43744  Lupinus chamissonis A. C. Sanders 1986-7-30 6831 Los Angeles El Segundo dunes, immediately W of L.A. International airport and Pershing Dr, E of Vista Del Mar Blvd 30 Comment
  UC527613  Lupinus chamissonis C. B. Wolf 1931-6-25 2245 Los Angeles sand hills w El Segundo (El Segundo); sand hills w El Segundo 60 Comment
  UCR137721  Lupinus chamissonis L. C. Wheeler 1974-4-4 s.n. Los Angeles Pacific slope, West end of the Los Angeles International Airport [LAX] 61 Comment
  CATA1564  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2832 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  RSA413488  Lupinus concinnus Christopher Davidson 1973-4-7 1900 Los Angeles Bob's Gap Road, 3 miles toward the desert, 3 miles S of Hwy 138, east side of San Gabriel Mtns. 1098 Comment
  RSA585322  Lupinus concinnus subsp. concinnus Tim S. Ross 1991-4-27 4730 Los Angeles Black Butte: rocky northeasterly slope E of the summit. 945 Comment
  UCR256179  Lupinus elatus R. G. Swinney 2010-9-23 13873 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
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Dec 20 2014
  RSA0081055  Lupinus excubitus subsp. austromontanus R. G. Swinney 2010-6-1 13111 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  CAS-BOT-BC216659  Lupinus excubitus subsp. hallii Ralph Hoffman 1929-4-26 s.n. Los Angeles Mint Canon [Canyon] Comment
  POM97154  Lupinus excubitus var. hallii P. A. Munz 1925-4-23 9421 Los Angeles San Gabriel Canyon. 305 Comment
  UC285022  Lupinus formosus P. A. Munz 1923-5-26 6856 Los Angeles Vincent Gulch; San Gabriel Mts., Vincent Gulch 1981 Comment
  SEINET10485352  Lupinus formosus Donald R. Bissing 1973-6-2 Bissing 78 Los Angeles Evey canyon, san gabriel mtns. Herbaceous plant to 2 ft tall, somewhat Sprawling. Flowers blue-violet with yellow base. In open grassy meadow by Roadside, .4 mi from canyon mouth. 732 Comment
  RSA600020  Lupinus formosus var. formosus Steve Boyd, Lauren Raz 1997-5-29 9933 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1098 Comment
  RSA307829  Lupinus formosus var. formosus H. J. Ramsey 1938-3-27 2773 Los Angeles Eaton Canyon Park, Altadena. Comment
  UCR68900  Lupinus guadalupensis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4281 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SEINET13203257 Image available Lupinus hirsutissimus R. G. Swinney 2011-1 14479 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UCR273205  Lupinus hirsutissimus R. G. Swinney 2011-4-26 14479 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  SFV1884  Lupinus hirsutissimus P. G. Kilburn 1958-3-5 648 Los Angeles San Fernando Valley Foot of Oat Mountain, Brown Canyon. Just south of locked entrance gate. 366 Comment
  UCD107948  Lupinus hyacinthinus Daryl Koutnik; John Cuti 1978-4-19 376 Los Angeles Verdugo Mountains on road overlooking Stough Canyon. 548 Comment
  SBBG3662  Lupinus longifolius H. and M. Dearing 1938-5-22 2593 Los Angeles Topanga Cyn Comment
  RSA91322  Lupinus longifolius F. W. Peirson 1920-5-6 7724 Los Angeles Fish Canyon, S base of San Gabriel Mts 777 Comment
  SEINET10485612  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10485632  Lupinus longifolius Bryan 1928-2-18 BRYAN 59 Los Angeles Mandeville canyon, near santa monica. Comment
  RSA714882  Lupinus microcarpus A. C. Sanders, Mark A. Elvin 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR78141  Lupinus microcarpus Wandalee Thompson 1964-4-17 17 Los Angeles San Gabriel Mtns., Liebre Mountains, near Green Valley, San Francisquito Canyon 854 Comment
  SBBG3587  Lupinus microcarpus var. densiflorus H. and M. Dearing 1935-4-14 765 Los Angeles near Castaic Comment
  UC285023  Lupinus microcarpus var. densiflorus P. A. Munz 1923-5-27 6880 Los Angeles Rock Creek; San Gabriel Mts., Rock Creek 1295 Comment
  SFV1887  Lupinus microcarpus var. horizontalis Lawler 1958-5-10 s. n. Los Angeles Along side of Highway 138, 0.5 miles east of junction with Highway 99. 1220 Comment
  SBBG114155  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-16 1346 Los Angeles Hwy 138 and 26th Ave in Palmdale Comment
  UCR256250  Lupinus sparsiflorus R. G. Swinney 2010-3-22 12082 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA414314  Lupinus succulentus N. C. Cooper 1945-5-1 2247 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA414825  Lupinus succulentus Edwin Kline 1924-4-19 s.n. Los Angeles Near Brookside Park, Pasadena Comment
  RSA604390  Lupinus succulentus Sara L. Crockett 1997-3-28 617 Los Angeles End of Cat Harbor road, NE side of Cat Harbor 15 Comment
  RSA654332  Lupinus succulentus Benjamen Rangel 1992-4-12 777 -11 Los Angeles Off road behind light post G-22, by the cow corrals at Cal Poly Pomona. Comment
  SD30963  Lupinus succulentus Edith A. Purer 1931-4-28 Los Angeles Palos Verdes Hills, on top of hills in grassy area Comment
  RSA187874  Lupinus truncatus Robert F. Thorne 1966-4-7 35951 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  RSA191030  Lupinus truncatus James Henrickson 1963-5-5 32280 Los Angeles near mouth of Cobal Canyon, footlhills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA294749  Lupinus truncatus Lyman Benson 1945-4-13 11668 Los Angeles Little Dalton Canyon, Glendora. Drainage area Pacific slope 365 Comment
  RSA11771  Lupinus truncatus M. E. Floyd 1933-3-25 s.n. Los Angeles Santa Monica Mts., Mandeville Canyon Comment
  UCR43351  Luzula comosa David Charlton 1986-6-15 284 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  UC1125109  Lycium andersonii A. D. Gifford 1935-4-22 609 Los Angeles 2.25 mi ne Manzana; Tejon Quad. 853 Comment
  UCR108202  Lycium cooperi L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Pallett Creek 1280 Comment
  RSA276864  Lycium ferocissimum T. C. Fuller 1979-1-16 20255 Los Angeles Playa del Rey, 400 m north of 431 East Culver Blvd. Comment
  SD84879  Lyonothamnus floribundus Reid Moran 1941-2-28 652 Los Angeles Head of Johnson's Canyon, Santa Catalina Island 399 Comment
  RSA451625  Lyonothamnus floribundus subsp. aspleniifolius M. B. Dunkle 1939-4-6 7316 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA632533  Lyonothamnus floribundus subsp. aspleniifolius Steven A. Junak 1997-10-29 SCI- 985 Los Angeles San Clemente Island: E side of island, near head of first canyon S of Camer Pad 'Malo,' 0.1 mile SSW of 'Malo 1' 381 Comment
  CAS-BOT-BC142287  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-21 17816 Los Angeles Lower end of Bullrush Canyon - Santa Catalina Island 198 Comment
  RSA23581  Lyonothamnus floribundus subsp. floribundus Percy C. Everett 1939-9-19 9539 Los Angeles Santa Catalina Island. East slope of Blackjack Peak in Swain's Canyon. 457 Comment
  RSA479369  Lyonothamnus floribundus subsp. floribundus Mark Hoefs 1974-9-25 567 Los Angeles Santa Catalina Island. West fork of Gallagher's Canyon. 290 Comment
  SBBG109005  Lyonothamnus floribundus var. aspleniifolius S. A. Junak 1996-10-2 SCl 702 Los Angeles lower portion of Horse Cyn, at foot of long ridge entering cyn from w, 2.78 mi SSW of Thirst 91 Comment
  RSA0011264  Lythrum californicum Louis Greata 1900-10 s.n. Los Angeles Eagle Rock Valley Comment
  RSA600269  Lythrum californicum Louis C. Wheeler 1932-7-9 953 Los Angeles San Gabriel Mountains: Rogers [Roberts] Canyon. 442 Comment
  UCR223607  Machaeranthera canescens R. G. Swinney 2009-7-29 11441 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR95489  Madia elegans subsp. wheeleri Steve Boyd, L. Raz 1996-9-24 8969 Los Angeles San Gabriel Mtns., Sawmill Mtn along Forest Service road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon 1622 Comment
  POM257568  Madia exigua C. B. Wolf 1932-5-11 3573 Los Angeles Santa Catalina Island. On point at west side of Fourth of July Cove. Comment
  SBBG95387  Madia gracilis M. B. Dunkle 1928-5-13 1944 Los Angeles Coach Rd 243 Comment
  RSA604007  Mahonia dictyota L. C. Wheeler 1936-4-5 4084 Los Angeles San Dimas Canyon, San Gabriel Mts. 701 Comment
  RSA695431  Malacothamnus A. C. Sanders, M. S. Enright 2002-8-8 25574 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804. 366 Comment
  SBBG52886  Malacothamnus clementinus F. C. Boutin 1967-4-23 1654 Los Angeles Lemon Tank 304 Comment
  UC1738524  Malacothamnus clementinus Steven A. Junak 1997-4-23 SCI 865 Los Angeles ca. 2.3 mi SW of Thirst (terrace on E side of Norton Canyon, near base of escarpment between two terraces); San Clemente Island 268 Comment
  CAS-BOT-BC231887  Malacothamnus davidsonii C. B. Wolf 1932-9-15 4076 Los Angeles About 1/2 mi S of San Fernando and 2 blocks E of San Fernando Road on Vaughn Ave., San Fernando Valley 304 Comment
  RSA177019  Malacothamnus davidsonii Carl B. Wolf 1932-9-15 4076 Los Angeles 0.5 miles south of San Fernando, and 2 blocks east of San Fernando Road on Vaughn Ave. 305 Comment
  UC519947  Malacothamnus davidsonii Louis C. Wheeler 1933-8-5 2053 Los Angeles 2 mi nw Roscoe; San Fernando Valley 274 Comment
  RSA0063397  Malacothamnus fasciculatus Anstruther Davidson 1892-05 s.n. Los Angeles Cahuenga hills. Comment
  RSA0013552  Malacothamnus fremontii Orlando Mistretta, Christine Mistretta 2011-6-23 5749 Los Angeles Vincinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E. of Mt. Gleason summit. 1680 Comment
  RSA0062839  Malacothamnus fremontii LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6762 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA0096978  Malacothamnus fremontii Richard G. Swinney 2011-5-31 14909 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  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
  UC1177003  Malacothamnus marrubioides Carl B. Wolf 1941-8-2 4412 Los Angeles Ridge route rd. S. Frenchman Flat Forst Service Camp Liebre Mts. 762 Comment
  JEPS126433  Malacothrix californica CNPS Field Staff 2015-4-16 SSNF 1907 Los Angeles Private Ranch. Comment
  RSA717216  Malacothrix californica Scott D. White, Pam DeVries 2006-5-9 11397 Los Angeles SE Tehachapi Mtns: Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC33277  Malacothrix coulteri Dr. A. Davidson May 1895 Los Angeles Antelope Valley Comment
  CAS-BOT-BC323296  Malacothrix foliosa Herman Knoche 1919-7-4 982 Los Angeles Camp Mesquite, San Clemente Island Comment
  RSA301947  Malacothrix foliosa E. R. Blakley 1962-6-10 5220 Los Angeles San Clemente Island: Wilson Cove 9 Comment
  RSA95030  Malacothrix foliosa F. W. Peirson 1923-4-12 3463 Los Angeles Wilson's Cove, San Clemente Island. Comment
  SD139335  Malacothrix foliosa subsp. foliosa Jon Rebman, Jonathan Dunn 1996-4-29 3107 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 10 Comment
  UCR86531  Malacothrix foliosa subsp. foliosa T. S. Ross, E. Kellogg 1992-4-13 6146 Los Angeles Channel Islands, NW part of San Clemente Island, terrace in vicinity of Darter 18 Comment
  UC1563082  Malacothrix glabrata Steve Boyd 1986-3-30 1498 Los Angeles 0.5 mi e Highway 18 junction with Highway 138 (ne of Pinyon Hills); Mojave Desert Comment
  CAS-BOT-BC347914  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1931-6-6 6667 A Los Angeles 17 miles s. of Sandberg's Summit, Ridge Route Comment
  POM6236  Malacothrix saxatilis var. tenuifolia I. M. Johnston 1910-6-10 1311 Los Angeles Playa del Rey. Comment
  RSA0103913  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-7-8 15495 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  POM244931  Malosma laurina F. R. Fosberg 1931-7-10 S- 5373 Los Angeles Eagle s Nest. Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  RSA386409  Malosma laurina D. A. Young 1969-5-25 P- 490 Los Angeles Roadside, Foothill Blvd. directly across from Claremont Colleges. 244 Comment
  UC191382  Malosma laurina S. B. and W. F. Parish June, 1887 1928 Los Angeles San Fernando Comment
  UC449684  Malosma laurina J. Grinnell 1903-7-3 Los Angeles Pasadena, Scoville Hill Comment
  UCSB8652  Malosma laurina Haller, John 1950-5-14 Los Angeles Northwest corner of San Fernando Valley; near Chatsworth; under stony point Comment
  UCSB8653  Malosma laurina McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd., Granada Hills 457 Comment
  SD144452  Malva nicaeensis B. Pitzer 1996-4-27 2725 Los Angeles City of Signal Hill, Reservoir Park, on Wardlow Rd between Orange St & Walnut St, E of Long Beach Blvd Comment
  RSA495080  Malva pseudolavatera A. C. Sanders 1988-5-18 7818 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. Comment
  RSA714518  Malva pseudolavatera A. C. Sanders, Lee Jones 2005-4-8 29347 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UCD107539  Marah macrocarpa Gerald Dickinson 1962-4-8 14 Los Angeles 1 mile W Topanga Canyon and Mulholland Santa Monica Mountains. 356 Comment
  UCD107551  Marah macrocarpa Kenneth A. Wilson 1961-3-11 973 Los Angeles San Gabriel Mtns. Placerita Canyon Road. Small canyon 1 mile west of Placerita Canyon State Park. Comment
  LA200415  Marah macrocarpa Robert G. Engman; Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  SD75550  Marah macrocarpa var. major Reid Moran 1941-2-16 573 Los Angeles San Clemente Island, Middle Ranch Comment
  RSA0068438  Marrubium vulgare R. G. Swinney 2010-8-16 13557 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  CATA975  Marrubium vulgare Mark L. Hoefs 1994-5-21 1844 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  LA209927  Matricaria discoidea O. H. Kappler; Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  RSA4768  Medicago polymorpha James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  RSA601062  Medicago sativa Steve Boyd, Lauren Raz 1997-6-18 9996 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Ritter Ridge, 3.6 road miles west of intersection with Highland St. 890 Comment
  SBBG95230  Medicago sativa M. B. Dunkle 1928-4-13 1863 Los Angeles Renton Mine Rd Comment
  UCD107968  Medicago sativa Robert F. Thorne 1973-4-13 42977 Los Angeles San Clemente Island: Low plateau just SE of Airfield Operations. 60 Comment
  RSA578134  Melica imperfecta Timothy S. Ross 1993-5-13 7119 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  RSA623768  Melica imperfecta Arthur R. Kruckeberg 1940-2-17 103 Los Angeles slopes of College Hill, [Occidental College Campus Survey] Comment
  UCR269593  Melilotus albus R. G. Swinney 2011-6-29 15329 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  RSA126735  Melilotus indicus Peter H. Raven 1959-4-4 13978 Los Angeles Point Dume, near houses behind point. 21 Comment
  SEINET7760414  Melilotus indicus N. K. Berg 1904-4-16 s.n. Los Angeles San Pedro Comment
  SFV5399  Mentzelia congesta J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains Angeles Crest Highway [= Angeles Forest Highway], 4 miles south of junction with U. S. Highway 6. Roadside. 1220 Comment
  SD247666  Mentzelia jonesii Ed Kentner 2014-3-21 361 Los Angeles Western Mojave Desert, approx. 13 km east of Pearblossom, near the corner of Largo Vista Road and Avenue X-8. 1876 Comment
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Jun 9 2016
  RSA640326  Mentzelia laevicaulis Louis C. Wheeler 1931-8-10 s.n. Los Angeles San Gabriel Mountains: San Antonio Canyon. 854 Comment
  RSA679292  Mentzelia laevicaulis Mark A. Elvin, Anne Marie Ruff 1996-8-1 296 -C Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 1.5mi from gate. Along road cuts on N side. Comment
  UCR124665  Mentzelia laevicaulis B. C. Templeton 1933-7-21 5052 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  RSA602183  Mentzelia laevicaulis Louis C. Wheeler 1946-10-26 6393 Los Angeles San Gabriel Mountains: East Fork San Gabriel Canyon, at Graveyard Canyon. 480 Comment
  RSA3743  Mentzelia micrantha Carl B. Wolf 1932-5-11 3568 Los Angeles Santa Catalina Island. Point west side of Fourth O July Cove. 30 Comment
  SEINET11942230  Mesembryanthemum crystallinum J. F. Bright, Wyman, C. 1931-1 5727 Los Angeles Hollywood Comment
  SBBG19211  Mesembryanthemum nodiflorum M. A. Piehl 1963-12-7 631046 Los Angeles SE tip of island opposite Pyramid Head 21 Comment
  SBBG95274  Mesembryanthemum nodiflorum M. B. Dunkle 1928-4-9 1812 Los Angeles Emerald Bay 4 Comment
  RSA650015  Mesembryanthemum stipulaceum M. L. Becker 1948-2-13 s.n. Los Angeles 4' E. of Civic Center, Garvey Blvd., Los Angeles 36 Comment
  CDA20478  Metrosideros kermadecensis M. O'Brien 2004-5-3 MOB 3 -04 Los Angeles South Coast; La Piedra State Beach, just above the highest tide line. 0 Comment
  LA33768  Micropus californicus var. californicus Peter H. Raven; Henry J. Thompson 1959-5-5 14132 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1), Malibu Creek drainage Comment
  POM222372  Microseris douglasii subsp. platycarpha L. C. Wheeler 1936-4-12 4092 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  RSA188052  Microseris heterocarpa R. F. Thorne 1966-4-6 35935 Los Angeles Santa Catalina Island: about 1 mile W of Empire Landing 213 Comment
  RSA617728  Microseris heterocarpa Scott D. White 1998-5-22 6564 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR190884  Microseris lindleyi R. G. Swinney 2001-4-18 7906 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  POM18206  Microseris lindleyi P. A. Munz 1923-4-10 6732 a Los Angeles Grassy slope S of Lemon Tank, San Clemente Island 244 Comment
  RSA517149  Microseris lindleyi Timothy S. Ross, Steve Boyd 1990-5-14 2479 Los Angeles San Gabriel Mtns: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1107 Comment
  RSA754194  Mimulus aurantiacus Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1792 Los Angeles San Gabriel River Watershed. [San Dimas Canyon, along San Dimas Cnyn Rd.] 441 Comment
  RSA151198  Mimulus aurantiacus var. parviflorus Peter H. Raven 1962-7-11 18001 Los Angeles on hot rocky wall near head of Twin Canyon, San Clemente Island 427 Comment
  RSA442646  Mimulus aurantiacus var. pubescens Martha Hilend 1928-4-18 202 Los Angeles Griffith Park. Comment
  UC1587664  Mimulus aurantiacus var. pubescens Tim Ross 1991-8-14 5788 Los Angeles 0.30 mi e Lower Pacifica Campground Rd. (Pacifico Mtn. Rd.); San Gabriel Mtns., Pacifico Mtn. USGS 7.5' Quad. 1933 Comment
  UCR280669  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-21 16633 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
  UCR38923  Mimulus aurantiacus var. pubescens B. A. Prigge 1985-6-14 6396 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch Site 659 Comment
  SFV18457  Mimulus brevipes C. Ferguson 1973-5-1 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Main Canyon. Streamside. Comment
  UC1063113  Mimulus cardinalis A. L. Haines and A. H. Warne 1935-7-12 208 Los Angeles Dalton Canyon Dam Pomona Quadrangle Comment
  UCR132310  Mimulus cardinalis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  RSA578221  Mimulus cardinalis Tim S. Ross, S. D. Boyd 1994-9-20 8277 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. 934 Comment
  RSA795195  Mimulus floribundus Jane Tirrell, Graham Bothwell, Walter Fidler, Shirley Imsand, Rich Philibosian 2012-7-27 LS 0137 Los Angeles South side California State Route 2 in seep between mile markers 66.82 and 66.43. 2239 Comment
  UC1409135  Mimulus floribundus R. F. Thorne and L. E. DeBuhr 1972-8-18 42237 Los Angeles Buckhorn Station along Angeles Crest Hwy. San Gabriel Mts., Angeles National Forest 2060 Comment
  RSA709811  Mimulus fremontii Gary D. Wallace, Ann Hiller 1983-5-18 2059 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
  UCR174492  Mimulus guttatus Jennifer H. Jones 2006-5-17 305 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Just in front of Claremont Wilderness Park. N end of Mills Avenue 497 Comment
  LA35216  Mimulus guttatus Mary V. Hood; 1939-4-29 39- 20 -k* Los Angeles near Gorman Comment
  NY90725  Mimulus inconspicuus Collector unspecified s.n. Los Angeles Comment
  RSA228078  Mimulus moschatus Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38880 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area, at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway, 1.2 mile SE of Dawson Saddle. 2332 Comment
  UC1409001  Mimulus parishii Robert F. Thorne, C. W. Tilforth, et al. 1972-6-29 42151 Los Angeles near, along Cajon Creek Cajon Campground; San Gabriel Mts., San Bernardino Nat'l Forest, Cajon Canyon 838 Comment
  RSA291708  Mimulus rubellus Wayen E. Sawyer 1981-6-11 s.n. Los Angeles Big Cienega at head of Big Rock Creek, San Gabriel Mountains, Angeles National Forest. Comment
  CAS-BOT-BC388659  Minuartia douglasii Alice Eastwood 1919-5-29 8997 Los Angeles San Gabriel Canyon Comment
  RSA587377  Minuartia douglasii Orlando Mistretta 1995-4-21 1634 Los Angeles Little Rock Creek. Un-named canyon draining the west slopes of Little Rock Creek canyon 0.5 mile N of Kitter Canyon 1052 Comment
  RSA0077095  Mirabilis laevis R. G. Swinney 2010-4-15 12226 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA138503  Mirabilis laevis var. crassifolia Reid V. Moran 1959-3-9 7170 Los Angeles San Clemente Island. Canyon 2 miles SE of Eel Point. 120 Comment
  UC1587157  Mirabilis laevis var. crassifolia Tim Ross 1991-5-21 5404 Los Angeles e fork of Box Canyon (near its junction with the w fork); San Clemente Island 1463 Comment
  RSA464659  Mirabilis laevis var. crassifolia G. R. Proctor 1944-3-4 793 Los Angeles Santa Susana Pass Comment
  RSA464660  Mirabilis laevis var. crassifolia E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon, near Monrovia, [San Gabriel Mountains]. Comment
  UCR180369  Mirabilis multiflora Scott D. White, Pam Devries 2006-5-10 11422 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
  POM6388  Modiola caroliniana L. T. Street, Williams 1919-5-10 2967 Los Angeles Bassett. 90 Comment
  UC1293674  Monardella breweri subsp. lanceolata P. C. Everett and E. K. Balls 1959-6-2 23826 Los Angeles 1 mi ne of entrance Stokes Canyon; Santa Monica Mts. 182 Comment
  RSA184067  Monardella exilis I. L. Wiggins 1966-4-24 20647 Los Angeles Along Palmdale Boulevard between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mojave Desert. Comment
  RSA83379  Monardella exilis F. W. Peirson 1918-6-18 1067 Los Angeles Between Rock Creek and Cajon Pass, east of Llano. Comment
  UCR274954  Monolopia lanceolata Michael Honer, Rachel Woodard 2006-4-12 2181 Los Angeles Tehachapi Mountains area, Hills above Oso Cyn.; c. 1.5 miles NNW of Quail Lake, 2 miles west of cement plant rd. 1128 Comment
  CAS-BOT-BC444847  Montia fontana Louis C. Wheeler 1934-3-3 2387 Los Angeles Puddingstone Dam, San Jose Hills 304 Comment
  RSA593395  Muhlenbergia asperifolia Steve Boyd, Orlando Mistretta 1996-5-23 8825 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA747272  Muhlenbergia asperifolia R. G. Swinney 2005-8-22 8521 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon 1280 Comment
  RSA648051  Muhlenbergia californica Orlando Mistretta, R. T. Hawke 1995-11-8 1952 Los Angeles San Gabriel Mountains. Comment
  LA9672  Muhlenbergia microsperma Louis Wheeler; 1932-3-12 463 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 400.0 Comment
  RSA305706  Muhlenbergia microsperma Mark Hoefs 1973-4-6 137 Los Angeles Santa Catalina Island: Middle of Cape Canyon. 304 Comment
  RSA0103925  Muhlenbergia rigens R. G. Swinney 2011-10-10 15732 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
  POM123274  Muilla maritima George B. Grant 1905-4-20 803 Los Angeles Collected at Pasadena. Comment
  RSA609282  Muilla maritima L. C. Wheeler 1968-5-24 s.n. Los Angeles Smith Mountain along the Bear Creek Trail. 1219 Comment
  UCR223539  Muilla maritima R. G. Swinney 2009-5-27 10903 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
  UCR259272  Muilla maritima R. G. Swinney 2010-5-4 12517 Los Angeles San Gabriel Mountains, 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
  CAS-BOT-BC515094  Muilla maritima Dr. A. Davidson 1891-1-1 s.n. Los Angeles Los Angeles Comment
  SBBG127965  Munzothamnus blairii M. G. Simpson, A. Russell, J. Dunn 2000-7-20 2204 B Los Angeles S side of Eagle Cyn 457 Comment
  SEINET10768952  Myrsine africana W. Hansis 1977-6-22 Hansis s.n. Los Angeles Botanical Garden, University of California Comment
  UCSB10051  Nama demissa Krogen, Roger 1957-1 Los Angeles 1 mi. E of Pearblossom on HWY. 138 Comment
  RSA565754  Nandina domestica Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles Arroyo Seco Canyon; between Gould Mesa Picnic area and Oakwilde Picnic area Comment
  CAS-BOT-BC259909  Nassella lepida Timothy S. Ross 1995-4-7 8353 Los Angeles Liebre Mountains. Old Ridge Route: 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon, S-facing draw between the road and a low ridge to the E 630 Comment
  LA94792  Nassella lepida Norman A. Cole; May 1964 393 Los Angeles Santa Monica Mountains, La Sierra Canyon, 3.1 mi E of junction of Mulholland and Cornell Rd 274 Comment
  UC1871326  Nassella lepida Tim Ross 1993-4-21 6864 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft), slope and small ridges N of Cactus Peak summit; N slope dropping toward Bullrush Canyon 384 Comment
  RSA584121  Nasturtium officinale Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 2987 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  POM9194  Navarretia atractyloides M. L. Kindall 1920-6-1 s.n. Los Angeles Claremont. 365 Comment
  SBBG95171  Navarretia hamata M. B. Dunkle 1928-5-12 1920 Los Angeles Empire Landing Comment
  UC23386  Navarretia hamata Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  RSA219943  Navarretia hamata subsp. hamata F. R. Fosberg 1932-5-19 8185 Los Angeles mouth of San Dimas Canyon 100 Comment
  UC709723  Navarretia prostrata Rev. J. C. Nevin May 1882 Los Angeles near Wilmington Comment
  RSA653697  Nemacladus ramosissimus Valerie L. Soza, Laura Moore 2000-5-10 860 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  SFV5408  Nemophila menziesii J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains Roadside along Route 2 (Angeles Crest Highway) about 5 miles north of La Canada. 793 Comment
  UCR96143  Nemophila menziesii B. G. Pitzer 1996-4-21 2708 Los Angeles Western Mojave Desert, Antelope Valley. north side of State Hwy 138 (= Ave. 'D'), c. 2 mi. west of Country Store, at town of Neenach (c. 30 mi. west of Hwy I-14). 915 Comment
  RSA421322  Nemophila menziesii Robert M. Perkins 1933-3-31 57 Los Angeles Playa del Rey. Comment
  RSA0087741  Nemophila racemosa F. Raymond Fosberg 1931-3-23 S 4333 Los Angeles Santa Catalina Island. Hamilton Canyon. 75 Comment
  LA52034  Neogaerrhinum kelloggii Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR113694  Nicotiana attenuata L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mtns, Doe Flat, Graveyard Canyon 823 Comment
  RSA426679  Nicotiana bigelovii Anstruther Davidson 1901-01 s.n. Los Angeles Los Angeles. Comment
  RSA0057922  Nicotiana glauca Richard G. Swinney 2010-4-15 12219 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA426692  Nicotiana glauca Elbert Benjamine, Malcolm M. Rice 1929-1-6 s.n. Los Angeles Between N. Ave. 61 and Arroyo Seco, Los Angeles Comment
  UCR48867  Nicotiana glauca Steve Morgan 1974-4-25 71 Los Angeles Western Transverse Range; Santa Monica Mtns., 1/4 mi east of Mulholland Hwy on Stunt Rd. 366 Comment
  UCR167535  Nicotiana quadrivalvis Scott D. White, A. Warniment 2005-9-13 11224 Los Angeles Tehachapi Mtns, Slopes and plateaus west of Oso Canyon, c. 1-2 air mi N of Quail Lake 1159 Comment
  SEINET10696863  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3948 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  UCR210339  Nothoscordum gracile A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37189 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  POM355614  Oenothera deltoides subsp. deltoides N. C. Cooper 1949-4-19 3610 Los Angeles Mojave Desert, Lancaster. 762 Comment
  UCD107000  Oenothera sinuosa J. B. Perret 1921-7-30 16 Los Angeles San Fernando. Comment
  SBBG45340  Oligomeris linifolia Leota Davidson 1966-2-17 328 Los Angeles Soledad Cyn and Spring Cyn Rd (old hwy) Comment
  RSA0127624  Opuntia basilaris var. brachyclada Richard G. Swinney 2014-4-23 16175 Los Angeles San Gabriel Mountains/Mojave Desert: east of Valyermo, 3.1 miles south of Hwy 138 on Bob's Gap Rd (15th St E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  CAS-BOT-BC59012  Opuntia littoralis L. R. Abrams; I. L. Wiggins 1931-7-6 384 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  POM9899  Opuntia vaseyi D. Meadows 1920-6-1 4390 Los Angeles Claremont. Comment
  POM122309  Oreonana vestita Marcus E. Jones 1929-7-8 s.n. Los Angeles San Antonio Peak Comment
  RSA643968  Oreonana vestita V. W. Steinmann 1996-6-17 918 Los Angeles San Gabriel Mountains, at the summit of Mt. San Antonio. 3050 Comment
  UC875237  Oreonana vestita P. A. Munz 1922-7-21 6115 Los Angeles San Gabriel Mts., Mt. San Antonio 2987 Comment
  RSA0104815  Orobanche bulbosa Louis C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek. 579 Comment
  UCSC000709  Orobanche bulbosa Jerome S. Horton 1935-6-21 185 Los Angeles Pomona, Tanbark Flat 823 Comment
  RSA0020702  Orobanche fasciculata Steve Boyd, Lauren Raz 1997-5-1 9673 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  UCR271656  Orobanche fasciculata R. G. Swinney 2011-5-12 14688 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  CAS-BOT-BC499911  Orobanche fasciculata Alice Eastwood 1913-5-11 3149 Los Angeles San Fernando Wash Comment
  RSA0059341  Orobanche vallicola Wayne P. Armstrong 1979-7-6 s.n. Los Angeles Claremont: Pomona College Campus; park area W of junction between Mills Avenue and Blanchard Place; S of observatory area. Comment
  CAS-BOT-BC355762  Osmadenia tenella I. Johnston 1917-5-27 1248 Los Angeles Above Claremont (Johnson's Pasture) Comment
  OBI79411  Osmorhiza brachypoda David J. Keil 1980-3-28 13737 Los Angeles Lower Shake campground near Lake Hughes. Narrow wooded canyon with riparian corridor in center. 1311 Comment
  CATA3350  Osteospermum fruticosum Julia Parish 2017-3-10 016 Los Angeles Santa Catalina Island: Renton Pass house landscaping, about 30 meters from house 0 Comment
  UCR261360  Oxalis pes-caprae R. G. Swinney 2010-2-27 11661 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
  RSA65000  Oxytheca trilobata Joseph A. Ewan, A. N. Dunn 1933-7-23 7825 Los Angeles Tujunga Creek at Alder Cr. Jct. Upper Sonoran zone. 1037 Comment
  RSA733163  Packera ionophylla R. G. Swinney 1997-6-13 5586 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. 1829 Comment
  SEINET209896 Image available Paeonia brownii P. S. Rattle 1938-3 sn Los Angeles San Gabriel Valley Comment
  JEPS79941  Paeonia californica I. W. Clokey and E. G. Anderson 1931-3-11 5339 Los Angeles San Gabriel Canyon 900 Comment
  RSA434239  Paeonia californica Howard Mullins 1931-3-15 s.n. Los Angeles Santa Susana Pass Comment
  RSA434251  Paeonia californica D. A. Young 1969-4-4 p 310 Los Angeles 3 miles NW of Chatsworth, S of Hwy 118 on Santa Susana Road. 293 Comment
  RSA505262  Paeonia californica S. Zona, Oscar Dorado 1989-2-13 305 Los Angeles Mt. Baldy, Angeles National Forest, on Nature Trail just above dam near Ranger Station Comment
  RSA670716  Paeonia californica Bonnie C. Templeton 1969-5-5 11376 Los Angeles Near road to Malibu Lake, so. of Ventura Blvd. Alt: 900 ft. 274 Comment
  SEINET6045448  Paeonia californica Louis C. Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. 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
  POM367107  Parapholis incurva Robert Gustafson 1981-4-29 2220 Los Angeles Ballona Wetlands, Area 1. Comment
  SEINET10596831  Parapholis incurva Timothy S. Ross 1992-4-14 Ross 6183 Los Angeles San Clemente Island: Lemon Tank Road, 25 m ESE of its intersection with the main N-S island road. Locally common annual weed along ruts and margins of the road on hard-packed clay soil. Surrounding vegetation disturbed Stipa grassland with Trifolium spp.,. Achillea, Vulpia myuros, etc. 341 Comment
  RSA150835  Parietaria hespera Peter H. Raven 1962-5-9 19696 Los Angeles Canyon just north of Gray, San Clemente Island. 305 Comment
  UCR204452  Parietaria hespera var. californica R. G. Swinney 2005-4-23 8222 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi. north of north end of Rainbow Dr., west of and adjacent to West Bender Canyon 572 Comment
  RSA640723  Parietaria hespera var. hespera Louis C. Wheeler 1931-4-27 s.n. Los Angeles San Gabriel Mountains: Burbank Canyon. Comment
  UC1215196  Parietaria hespera var. hespera Peter H. Raven 1962-4-12 17309 Los Angeles San Clemente Island; head of canyon near the Tomb Comment
  SEINET4670192  Paspalum distichum G. B. Grant 1904-7-14 912 Los Angeles Los Angeles Comment
  UCR204904  Paspalum vaginatum R. E. Riefner Jr. 2006-7-8 06- 293 Los Angeles South Coast, city of Malibu, Malibu Lagoon, east lagoon near Surfrider Beach 0 Comment
  RSA159349  Pectocarya linearis subsp. ferocula P. H. Raven 1962-4-10 17204 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA599480  Pectocarya penicillata Steve Boyd, Lauren Raz 1997-3-26 9344 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCSB27907  Pectocarya penicillata Kunze, G. 1971-4-17 Los Angeles California 14; 1.7 miles south of Lancaster, Antelope Valley 914 Comment
  RSA600041  Pectocarya setosa Steve Boyd, Lauren Raz 1997-3-25 9261 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
  SFV3422  Pedicularis densiflora M. L. Vincent 1961-3-12 s.n. Los Angeles Santa Monica Mountains Malibu area. Las Virgenes Road. On dry slope in Tapia Park. 150 Comment
  RSA425330  Pedicularis semibarbata Albert J. Perkins 1928-4-23 s.n. Los Angeles Mt. Pacofico. 1677 Comment
  RSA0115699  Pediomelum californicum Andrew C. Sanders 2006-5-16 32318 Los Angeles Transverse Range; Liebre Mtns. Region: 0.5 mi west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 960 Comment
  CATA2238  Pelargonium X hortorum Sara L. Crockett 1997-3-7 84 Los Angeles Santa Catalina Island: 323 Clemente Street 24 Comment
  RSA0114813  Pellaea andromedifolia R. G. Swinney 2011-10-25 15851 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  SBBG31451  Pellaea andromedifolia R. F. Thorne 1966-4-6 35925 Los Angeles ca. 1 mi W of Empire Landing 76 Comment
  SBBG80284  Pellaea andromedifolia F. C. Boutin 1967-4-23 1682 Los Angeles Lemon Tank 304 Comment
  POM150502  Pellaea andromedifolia P. H. Raven 1962-4-11 17304 Los Angeles 1 miles south of Wilson Cove, San Clemente Island 122 Comment
  RSA686721  Pellaea andromedifolia M. B. Dunkle 1939-4-3 7231 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA686731  Pellaea andromedifolia V. Anderson 1973-4-21 s.n. Los Angeles Santa Catalina Island. Above Little Harbor at lookout near pullout. 61 Comment
  RSA686740  Pellaea andromedifolia M. V. Hood 1945-5-1 2240 Los Angeles Tapia Park area 762 Comment
  UC399528  Pellaea mucronata var. mucronata R. S. Norris April, 1893 Los Angeles Fern Canyon; Catalina Isl Comment
  UCR108356  Pennisetum clandestinum L. C. Wheeler 1974-12-29 s.n. Los Angeles San Gabriel Mtns., Bottom of Millard Canyon, on both sides of Angeles National Forest boundary. E side of canyon Comment
  RSA623748  Pennisetum purpureum Arthur R. Kruckeberg 1939-11-26 429 Los Angeles Open place, Mt. Wilson Toll Road. Comment
  POM305725  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1937-6-27 929 Los Angeles Liebre Mts., Sandberg, Angeles National Forest. Comment
  UC1012122  Penstemon centranthifolius Francis W. Pennell 1940-4-19 25142 Los Angeles Route 99 about 2 mi s Castaic; s of Castaic 396 Comment
  RSA0091525  Penstemon grinnellii R. G. Swinney 2010-9-9 13784 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
  UCR206271  Penstemon grinnellii R. G. Swinney 2008-6-10 9016 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  RSA0103795  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-6-14 15114 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA788827  Penstemon grinnellii subsp. grinnellii Jane Tirrell, Shirley Imsand 2012-7-6 LS 0090 Los Angeles Along the Pacific Crest Trail approx. 0.5 mile east of Windy Gap 2423 Comment
  POM4207B  Penstemon heterophyllus subsp. australis Philip A. Munz 1918-5-26 2276 Los Angeles Claremont. Near mouth of Live Oak Canyon. Comment
  SD37447  Penstemon heterophyllus var. heterophyllus Florence Post 1931-5-4 2054 c Los Angeles Flintridge Hills, hillside Comment
  JEPS23985  Penstemon labrosus Victor Duran 1933-7-19 3519 Los Angeles Buckhorn San Gabriel Mountains, Buckhorn 1981 Comment
  UCD124199  Penstemon labrosus Victor Duran 1933-7-19 3519 Los Angeles Buckhorn, San Gabriel Mountains. 1981 Comment
  NY629304  Penstemon palmeri var. palmeri A. M. Ottley 1920-5-16 698 Los Angeles Above Delta Canyon, Tujunga 1725 Comment
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May 6 2014
  UC1587740  Penstemon rostriflorus Tim Ross 1991-8-14 5764 Los Angeles Roundtop Mtn. San Gabriel Mountains, , Chilao Flat quad 1828 Comment
  SBBG26834  Penstemon spectabilis I. W. Clokey, B. Templeton -Apr-1929 4475 Los Angeles Mandeville Cyn 300 Comment
  RSA0036214  Penstemon spectabilis Fran Dourisboure 1966-5-10 s.n. Los Angeles San Rafael (Raphael on sheet) Mountains. 213 Comment
  NY661170  Penstemon spectabilis var. spectabilis F. W. Johnson 1910-3-6 s.n. Los Angeles Monrovia 800 Comment
  NY130530  Penstemon ternatus subsp. septentrionalis L. Abrams 1908-6-19 394 Los Angeles Oakgrove Canyon, Liebre Mountains. 1066.8 Comment
  UCD137787  Pentagramma triangularis Kenneth A. Wilson 1961-3-10 967 Los Angeles Santa Monica Mtns. Old Topanga Canyon Rd., ca. 1/4 mile west of Topanga Rd. Comment
  RSA0060337  Pentagramma triangularis M. B. Dunkle 1928-4-21 1882 Los Angeles Santa Catalina Island. Renton Mine. 304 Comment
  RSA0073131  Pentagramma triangularis Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 30 Los Angeles Santa Catalina Island. Deer Valley Trail. 62 Comment
  UCSB30919  Pentagramma triangularis subsp. viscosa Parker, V. 1974-3-27 Los Angeles On ocean exposed NE slope 600 ft. above ocean; Fisherman's Cove, Santa Catalina Island 182 Comment
  RSA0021420  Perezia microcephala L. Haines 1935-1-15 s.n. Los Angeles San Dimas Park Comment
  SD3467  Perideridia californica Ruth B. Randall Apr 1920 Los Angeles Mint Canyon Southern California Comment
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Mar 16 2014
  LA204580  Peritoma arborea Louis C. Wheeler; 1931-11-23 367 Los Angeles Floatstone Quarry, 4 mi. SE Redondo Beach 76 Comment
  CAS-BOT-BC73733  Peritoma arborea var. globosa Ernest Braunton 1902-5-25 321 Los Angeles Redondo Comment
  LA200252  Perityle emoryi Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4617 Los Angeles Santa Monica Mountains, Sequit Point, above point Comment
  RSA574345  Phacelia brachyloba R. G. Swinney 1994-5-12 2841 Los Angeles Glendora Mountain Rd., 2.5 mi. N of jct with Big Dalton Canyon Rd. 518 Comment
  RSA427574  Phacelia brachyloba Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson's Trail. Comment
  RSA650555  Phacelia cicutaria var. hispida Regina Allen 1983-5-16 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. Comment
  SBBG128322  Phacelia cicutaria var. hispida M. L. Hoefs, D. R. Hoefs, h. Greene 1992-4-14 1754 Los Angeles hillside S of Ben Weston Beach 30 Comment
  UC1587644  Phacelia cicutaria var. hispida Tim Ross 1991-4-21 4558 Los Angeles risdgetop on n side Turnbull Canyon; Whittier Hills (Puente Hills, pro parte) 294 Comment
  UCR209285  Phacelia cicutaria var. hispida Dan S. Cooper 2009-5-30 509- 08 Los Angeles Eastern Santa Monica Mtns., debris basin along Forest Lawn Dr., west of the cemetery 169 Comment
  UCR260006  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-24 12090 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA136784  Phacelia cicutaria var. hispida Percy C. Everett 1960-5-30 24136 Los Angeles San Gabriel Canyon, 2.2 mi. from entrance to Angeles Nat. Forest. 366 Comment
  RSA74168  Phacelia ciliata F. W. Peirson 1903-2-14 967 Los Angeles Road to Pasadena from Los Angeles. Comment
  RSA579428  Phacelia davidsonii Tim S. Ross 1994-5-31 7960 Los Angeles Pacifico Mountain: W slope. ca. 315 m WSW of the 7124-foot summit. 2085 Comment
  UC1929529  Phacelia davidsonii Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1676 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. Comment
  RSA755860  Phacelia distans R. G. Swinney 2009-1-19 9992 Los Angeles Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCR222849  Phacelia distans R. G. Swinney 2009-5-12 10716 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  SD113330  Phacelia douglasii Darley F. Howe 1948-5-2 1780 Los Angeles Desert side of Angeles Crest Highway. 1584 Comment
  RSA0096983  Phacelia fremontii Richard G. Swinney 2011-5-31 14891 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  SD181480  Phacelia fremontii LeRoy Gross 2005-4-28 2139 Los Angeles Transverse Ranges,San Gabriel Mtns region,ridgeline to Mt. Emma & cyn S of ridge, W from Mt. Emma (NW-trending ridge, lower part of ridgeline turns SW), E of Mt. Emma Rd. Then dropped off ridge into cyn bottom back to origin; Pacifico Mtn 7.5' quad. 1235 Comment
  SFV13270  Phacelia fremontii M. J. Thor 1983-4-16 172 Los Angeles Mojave Desert Palmdale, north of Little Rock, Mount Emma Road. West facing slope by roadside. 945 Comment
  POM263547  Phacelia fremontii J. C. Roos 1937-3-25 680 Los Angeles 20 miles E of Palmdale Comment
  CATA3317  Phacelia grandiflora Amy Catalano, Laura Roll 2017-3-25 037 Los Angeles Santa Catalina Island: About 0.4 miles up from mouth of Silver Cyn., 150 meters up the main ridge to the north of the canyon 134 Comment
  RSA225990  Phacelia grandiflora Robert F. Thorne, Arthur C. Gibson 1971-5-22 39765 Los Angeles Fish Canyon. 305 Comment
  UCR187219  Phacelia imbricata A. C. Sanders 2006-5-16 32339 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, c. 1/4 mile north of Hwy 138, south the California Aqueduct 1012 Comment
  UC1375263  Phacelia imbricata subsp. patula Robert F. Thorne and C. W. Tilforth 1971-6-30 40745 Los Angeles Pacifico Mtn. San Gabriel Mts., Angeles National Forest 1950 Comment
  RSA225710  Phacelia longipes Robert F. Thorne 1971-5-22 39733 Los Angeles Fish Canyon. 305 Comment
  CATA1678  Phacelia lyonii Mark L. Hoefs, Steven A. Junak, Bob Given, Keri Kirkland 1998-7-17 2969 Los Angeles Santa Catalina Island: At junction of Grand Canyon and Silver Canyon 109 Comment
  RSA0076148  Phacelia lyonii F. R. Fosberg 1931-5-4 S- 4749 Los Angeles Second bridge below Eagles Nest, Middle Ranch Canyon. Santa Catalina Island. 160 Comment
  PASA1333  Phacelia minor Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA612070  Phacelia minor Valerie L. Soza 1998-4-26 81 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  UCR271467  Phacelia minor R. G. Swinney 2011-6-14 15149 Los Angeles San Gabriel Mountains, upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road 1671 Comment
  UCSB5406  Phacelia minor Gill, Robert 1959-6-2 Los Angeles San Antonio Canyon, along lower road; San Gabriel Mt. Range; Pacific Slope Drainage Area 792 Comment
  LA200570  Phacelia parryi Sharon Johnston; 1957-5-9 23 Los Angeles 30 Comment
  LA201511  Phacelia parryi Arthur C. Gibson; 2003-5-17 4880 Los Angeles 234 Comment
  RSA0021292  Phacelia ramosissima Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5087 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0106739  Phacelia ramosissima R. G. Swinney 2011-5-19 14764 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  RSA697062  Phacelia ramosissima var. latifolia LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1061 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  RSA660335  Phacelia ramosissima var. latifolia David Finch 1984-4-30 20 Los Angeles Upland, Benson Ave., .2 miles north of Basline Road. Comment
  UC1348914  Phacelia ramosissima var. ramosissima Robert F. Thorne and John Olmstead 1965-8-26 35369 Los Angeles along ridge near upper end of Holiday Hill Ski Lift; San Gabriel Mts., Angeles National Forest, Blue Ridge 2468 Comment
  CATA730  Phalaris aquatica Mark L. Hoefs 1991-5-18 1243 Los Angeles Santa Catalina Island: Upper Middle Canyon, near Edison pump station 344 Comment
  CDA2279  Phalaris aquatica L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns; Foster Ranch, Sycamore Canyon, south slope Johnstone Peak. Comment
  OBI69294  Phalaris aquatica John Knapp, Denise Knapp 2003-5-11 46 Los Angeles Catalina Island, 369113.71N x 3690721.77E 259 Comment
  UC407310  Phalaris lemmonii LeRoy Abrams 1903-4-9 3234 Los Angeles Inglewood Comment
  RSA356916  Phalaris minor F. R. Fosberg 1931-4-13 S 4595 Los Angeles Pebble [Pebbly] Beach wash, Santa Catalina Island. 10 Comment
  RSA91908  Phalaris minor Robert Hamilton 1925-5-1 5816 Los Angeles West of El Monte. Comment
  SEINET10657415  Phalaris minor Robert F. Thorne 1973-4-12 Thorne 42891 Los Angeles San Clemente Island: roadside among old buildings at old airfield, grassland 244 Comment
  UC519880  Phlox diffusa Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  RSA568834  Pholisma arenarium Bonnie C. Templeton 1938-8-31 6514 Los Angeles Dune Ravine, El Segundo 10 Comment
  UCR85818  Pholistoma auritum T. S. Ross 1991-4-8 4458 Los Angeles San Gabriel Valley, Elephant Hill: western Pomona 355 Comment
  CAS-BOT-BC222553  Pholistoma auritum var. auritum Henry J. Thompson 1959-4-19 1939 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  LA35912  Pholistoma auritum var. auritum Peter H. Raven; 1960-4-2 14856 Los Angeles Santa Monica Mountains, Old Topanga Canyon, 0.7 mi. NW of Topanga Canyon 243 Comment
  RSA182332  Pholistoma auritum var. auritum J. D. Olmsted 1962-4-30 3420 Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  SFV22022  Pholistoma auritum var. auritum V. Soza, L. Gross, A. Munoz 2000-5-12 891 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Canyon southwest of fire road south from Engleheard Canyon to power lines. West-facing slope of canyon. 427 Comment
  SD51797  Pholistoma racemosum Roy L. Taylor, R. O. Ornduff 1960-3-18 4384 Los Angeles Santa Catalina Island. Near moist creek areas in near vicinity of the town of Avalon. 100 yards S of board walk on road to Pebble Beach. Comment
  SEINET10327137  Phoradendron serotinum subsp. macrophyllum L. C. Wheeler 1931-12-15 395 Los Angeles Thompson Creek Dam, near Claremont. 495 Comment
  RSA682937  Phyllospadix torreyi E. Yale Dawson 1959-2-23 20638 Los Angeles Point Dume Bay, Station # 11. Comment
  RSA0047923  Pinus contorta var. murrayana R. G. Swinney 2010-9-21 13846 Los Angeles summit of Mt. Hawkins, at north end of Copter Ridge 2683 Comment
  UCR222924  Pinus coulteri R. G. Swinney 2009-6-2 11012 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA800795  Pinus jeffreyi Jane Tirrell 2012-8-20 LS 0153 Los Angeles South side of California State Route 2 approx. 1.5 miles west of Dawson Saddle; 100 meters east of mile marker 67.86. 2314 Comment
  UCR223397  Pinus jeffreyi R. G. Swinney 2009-7-29 11401 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
  RSA272159  Pinus lambertiana Robert C. Frampton, Freeman Bouvard 1978-7-22 s.n. Los Angeles Mt. San Antonio, along trail on W rim of Big Bowl 2744 Comment
  RSA384347  Pinus lambertiana George B. Grant, W. Wheeler 1904-5-17 s.n. Los Angeles Mt. Wilson. 1524 Comment
  RSA384367  Pinus monophylla L. E. Hoffman 1931-10-21 s.n. Los Angeles Dark Canyon, Angeles Forest Comment
  RSA169009  Pinus ponderosa Mark Parratt 1964-4-8 623 Los Angeles Charlton Flats Recreation Area, Angeles Crest Highway 1646 Comment
  RSA384486  Pinus torreyana George R. Johnston 1931-9-1 s.n. Los Angeles No locality specified. Southern California Comment
  UCR129397  Piptatherum miliaceum A. C. Sanders, Mark Elvin 2002-6-20 25250 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR20306  Pityrogramma triangularis var. viscosa Dr. H. de Forest, G. R. Johnstone 1934-5-28 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay Comment
  UCR261850  Plagiobothrys acanthocarpus Tim Thomas 1990-3-29 1356 Los Angeles Transverse Range, Southern Simi Hills, Chesebro Canyon parking lot 305 Comment
  PASA1962  Plagiobothrys californicus Sally Ellis 1930-3-25 Los Angeles Claremont Comment
  CATA1729  Plagiobothrys canescens Mark L. Hoefs, Steven A. Junak 2000-4-14 3076 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor 469 Comment
  SBBG33981  Plagiobothrys canescens L. S. Rose 1968-4-5 68021 Los Angeles Newhall Ranch 365 Comment
  UCR186989  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31972 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  POM246416  Plantago erecta F. R. Fosberg 1931-3-25 S- 4360 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 140 Comment
  RSA401980B  Plantago erecta Louis C. Wheeler 1934-3-24 2478 Los Angeles Liveoak Canyon, San Gabriel Mts. 488 Comment
  HSC16849  Plantago major C. E. Fellows 1965-8-22 115 Los Angeles Big Tujunga Canyon, 1.8 mi. E of Rim Canyon Rd. on Mt. Gleason Ave., NE on side road 1.3 mi. Comment
  SEINET8224917  Plantago ovata Jack Rempel \\N-3-20 15313 Los Angeles El Segundo. Comment
  RSA402022B  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7269 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  UCR138541  Platanthera dilatata var. leucostachys L. C. Wheeler 1966-8-21 8826 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  CAS-BOT-BC93195  Platanus racemosa Peter H. Raven 1959-9-6 14368 Los Angeles Santa Monica Mountains. At mouth of Malibu Creek. 9 Comment
  HSC16891  Platanus racemosa C. E. Fellows 1965-9-9 136 Los Angeles 0.8 mi. S of Ventura Blvd. on Reseda Blvd., NE foothills of Santa Monica Mtns. 274 Comment
  RSA29911  Platanus racemosa Louis C. Wheeler 1931-10-16 258 Los Angeles Foothills 1/2 mi. E Palmer Canyon. 610 Comment
  UCD15670  Platanus racemosa Anne B. Overturf 1989-5-28 22 Los Angeles Eaton Canyon. 365 Comment
  CAS-BOT-BC6451  Platystemon californicus Blanche Trask 1897-3-1 s.n. Los Angeles Santa Catalina Island. Avalon. Comment
  RSA751410  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -108 Los Angeles City of Malibu, ca. 0.2 mi E of La Piedra State Beach. 3 Comment
  CAS-BOT-BC244435  Poa annua Geo. B. Grant 1903-4-1 s.n. Los Angeles Santa Monica Mountains. University of California, W Los Angeles 129 Comment
  UCD91806  Poa palustris Tom Yutani 1996-5-1 s.n. Los Angeles Pasadena. 121 Comment
  POM244892  Poa secunda F. R. Fosberg 1931-3-24 4343 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon. 70 Comment
  RSA484216  Poa secunda Anstruther Davidson 1890-1 s.n Los Angeles Los Angeles Comment
  UCR190895  Poa secunda R. G. Swinney 1998-7-2 6224 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR271169  Poa secunda R. G. Swinney 2011-7-8 15479 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CAS-BOT-BC236216  Poa secunda subsp. secunda Timothy S. Ross; Steve Boyd 1991-4-25 4569 Los Angeles San Gabriel Mountains: southerly ridge ca 2000 feet SW of Dow Flat, draining to the lower E Fork of the San Gabriel River 731 Comment
  RSA0082769  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-18 6954 Los Angeles Oso Canyon, 0.5 mile west of Coe Field fence. 1036 Comment
  RSA604600  Polycarpon depressum L. C. Wheeler 1962-4-24 8049 Los Angeles Foothills of San Gabriel Mountains: Between Chantry Trail and La Vina Sanitarium, ridge south side of West Ravine.. . Comment
  HSC87802  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Pasadena, McCaskill Gardens, 25 South Michillinda Avenue. Comment
  RSA183487  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles McCaskill Gardens, 25 S Michillinda Ave, Pasadena. Comment
  SD248475  Polygala cornuta var. fishiae Kai T. Palenscar 2013-6-12 Los Angeles Transverse Ranges: San Gabriel Mountains region: 100 m east of Santa Anita Wash channel, S base of San Gabraiel Mountains, City of Arcadia (Mount Wilson 7.5'Q) 195 Comment
  SBBG61504  Polygonum aviculare M. N. Ackley -Jun-1926 882 Los Angeles Eagle Rock 182 Comment
  RSA594347  Polygonum aviculare subsp. aviculare Steve Boyd, Lauren Raz 1996-10-14 9032 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  UCR259162  Polygonum lapathifolium R. G. Swinney 2010-6-23 13364 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  RSA641209  Polygonum orientale Louis C. Wheeler 1966-5-7 s.n. Los Angeles Rio Hondo, south El Monte. Comment
  RSA689901  Polypodium californicum H. L. Bauer 1931-1-3 s.n. Los Angeles Topanga Canyon Comment
  SEINET5778147 Image available Polypodium californicum Marcus E. Jones 1882-1 Los Angeles Pasadena Comment
  UC812492  Polypodium californicum Ira W. Clokey, B. Templeton May 1929 4483 Los Angeles Mandeville Canyon; Santa Monica Mts. 300 Comment
  UCSB62310  Polypodium californicum Kiefer, Lawrence 1967-5-21 Los Angeles San Gabriel Mtns., NE of Claremont, North Fork Barrett Canyon, tributary of San Antonio Canyon, ca. 1/4mi above USFS Rd. 2N04 1219 Comment
  UCSB8305  Polypodium californicum Olsen, Meryl 1954-4-19 Los Angeles Little Dalton Canyon in San Gabriel Mtns. 548 Comment
  POM12481  Polypodium californicum M. L. Kendall 1921-3-19 62 Los Angeles Puddingstone Canyon, San Dimas Comment
  POM307089  Polypodium californicum Henry J. Ramsey 1939-1-1 1966 Los Angeles Eaton Canyon, Altadena. Comment
  RSA151247  Polypodium californicum P. H. Raven 1962-4-12 17341 Los Angeles San Clemente Island: Wilson Cove 76 Comment
  RSA527771  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4336 Los Angeles San Clemente Island. E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SEINET235743 Image available Polypogon interruptus Scott D. White 1997-5-8 5085 Los Angeles San Gabriel River Canyon; north of Azusa; Canyon bottom and adjacent slopes below San Gabriel Reservoir. 366 Comment
  CAS-BOT-BC232399  Polypogon monspeliensis Alice Eastwood 1906-5-27 193 Los Angeles San Pedro Comment
  RSA569411  Polypogon monspeliensis Bonnie C. Templeton 1932-8-26 5105 Los Angeles Big Pines park, San Gabriel Mountains 2088 Comment
  SBBG95220  Polypogon monspeliensis M. B. Dunkle 1928-4-29 1912 Los Angeles Little Harbor Comment
  UCR219901  Polypogon monspeliensis R. G. Swinney 2009-4-17 10392 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  LA33812  Polypogon monspeliensis Peter H. Raven; Henry J. Thompson 1959-10-18 14685 Los Angeles SANTA MONICA MOUNTAINS, Serrano Road, 0.8 mi W of junction with Cotharin Rd. Comment
  RSA385485  Polypogon viridis S. F. Patton 1914-4-17 s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC410011  Populus X parryi Peter H. Raven; Henry J. Thompson 1959-9-6 14394 Los Angeles Santa Monica Mountains, near mouth of Malibu Creek 12 Comment
  CAS-BOT-BC102554  Populus fremontii Le Roy Abrams; E. A. McGregor 1908-6-20 412 Los Angeles Liebre Mountains, Elizabeth Lake Comment
  POM360753  Populus fremontii L. E. Hoffman 1931-11-9 s.n. Los Angeles Lower Big Rock Creek. Comment
  LA200831  Populus trichocarpa A. M. Johnson; 39 Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, Griffith Park Comment
  UCR194175  Potentilla glandulosa R. G. Swinney 1998-7-29 6539 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  UCR203110  Potentilla glandulosa R. G. Swinney 2001-8-27 8107 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  RSA230370  Potentilla glandulosa subsp. ewanii Robert F. Thorne, M. Z. Thorne 1969-7-10 38365 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1951 Comment
  LA201498  Potentilla glandulosa subsp. glandulosa Arthur C. Gibson; 2003-5-16 4858 Los Angeles Comment
  CAS-BOT-BC539749  Potentilla gracilis var. fastigiata R. F. Thorne; M. Z. Thorne 1969-7-10 38406 Los Angeles Just E of Big Pines Ranger Station, Angeles National Forest, 2072 Comment
  SD114334  Prunus fasciculata Darley F. Howe 1947-5-6 1561 Los Angeles North face of San Gabriel Mountains. 1676 Comment
  RSA0094388  Prunus ilicifolia Richard G. Swinney 2011-5-31 14935 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA497994  Prunus ilicifolia G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA454132  Prunus ilicifolia subsp. ilicifolia Unspecified 1965-6-16 s.n. Los Angeles Cattle Canyon, above Azusa. Comment
  SD69500  Prunus ilicifolia subsp. lyonii Robert F. Thorne 1966-4-7 35970 Los Angeles Santa Catalina Island, in Howland Landing Canyon near road to Johnson's landing 22 Comment
  CAS-BOT-BC356561  Pseudognaphalium biolettii George B. Grant; Walter Wheeler 1904-4-21 6195 Los Angeles Isthmus. Santa Catalina Island, Pacific Ocean, off southern California Comment
  JEPS23714  Pseudognaphalium biolettii Peter H. Raven 1959-2-15 13786 Los Angeles 2.6. mi n Sunset Blvd; Santa monica Mountains, Beverly Glen Canyon 213 Comment
  SBBG32032  Pseudognaphalium biolettii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -201 Los Angeles Middle Bullrush Cyn Comment
  SD27745  Pseudognaphalium biolettii Carl B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina; 0.5 miles from Avalon on road to Pebbly Beach. 7 Comment
  HSC87156  Pseudognaphalium californicum Steve Boyd, T. S. Elias 1987-4-14 2035 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  UCR261321  Pseudognaphalium californicum R. G. Swinney 2010-3-13 11883 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  CATA3105  Pseudognaphalium microcephalum Amy Catalano 2016-5-12 109 Los Angeles Santa Catalina Island: White's Landing, gravel trail on northwest side of camp 22 Comment
  UCR280517  Pseudognaphalium stramineum R. G. Swinney 2014-5-13 16502 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
  SBBG31439  Pseudognaphalium stramineum R. F. Thorne 1966-4-6 35915 a Los Angeles W of Empire Landing 91 Comment
  RSA656195  Psilocarphus tenellus var. tenellus Joseph M. Keefe 1978-5-23 23255 Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  RSA187820  Pterostegia drymarioides Robert F. Thorne 1966-4-7 35966 Los Angeles Santa Catalina Island: in canyon bottom, Cherry Valley 61 Comment
  RSA453107  Pterostegia drymarioides E. Crow 1928-4-11 247 Los Angeles hills south of Pomona Comment
  CAS-BOT-BC158660  Purshia tridentata var. glandulosa Clare B. Hardham 1959-6-16 4874 Los Angeles Dry wash near Pear Blossom Comment
  RSA0073593  Purshia tridentata var. glandulosa Orlando Mistretta, Christine Mistretta 2005-4-21 2061 Los Angeles Transverse ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA499262  Purshia tridentata var. glandulosa L. E. Hoffman 1931-11-28 16310 Los Angeles Holcomb Creek, Angeles National Forest. Comment
  RSA467874  Pyrola bracteata George B. Grant 1906-08 7156 Los Angeles Pasadena Comment
  RSA717700  Quercus Gary D. Wallace 1987-5-5 2647 Los Angeles Monrovia. Gold Hill. Comment
  UC993209  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  SEINET13095464  Quercus X grandidentata Joseph Andorfer Ewan 1934-12-27 8487 Los Angeles 2 mi. above A.T. & S.F. tracks at mouth of Sawpit Canyon (i.e. Monrovia C.), San Gabriel Mts. 229 Comment
  LA43669  Quercus agrifolia Carl Epling; 1930-3-8 sn Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  LA200041  Quercus berberidifolia A. M. Johnson; 1934-4-20 4433 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  POM19033  Quercus berberidifolia E. S. Spalding 1920-12-12 VIII- 2 Los Angeles Claremont E of Indian Hill. Comment
  RSA594977  Quercus berberidifolia Tim S. Ross 1995-4-7 8369 Los Angeles Old Ridge Route': 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
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Jul 11 2016
  RSA595794  Quercus berberidifolia Steve Boyd, Lauren Raz 1996-10-8 9009 Los Angeles Liebre Mountains region, upper southerly flank of Martindale Canyon, just up from Willow Spring on Forest Service Road 6N08, ca. 0.2 miles northwest of the junction with 6N07. 1402 Comment
  UC847959  Quercus berberidifolia I. W. Clokey and B. C. Templeton 1930-4-2 4609 Los Angeles Mulholland Drive Santa Monica Mts. 600 Comment
  UCD56576  Quercus berberidifolia John M. Tucker 1948-9-26 1879 Los Angeles California, Los Angeles Co.; 11.4 mi. west of Palmdale, beside road to Elizabeth Lake; Comment
  UCSB69280  Quercus berberidifolia Gross, LeRoy 2000-11-12 Los Angeles Verdugo Mtns.: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir 411 Comment
  RSA476890  Quercus chrysolepis L. E. Hoffman 1934-7-24 s.n. Los Angeles Arroyo Seco Canyon. Angeles Forest. Comment
  RSA616133  Quercus chrysolepis Louis C. Wheeler 1967-5-18 9619 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  SFV16679  Quercus chrysolepis P. Wilson, J. M. Albert 1996-6-12 3444 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 52.85, near Three Points. 1799 Comment
  CAS-BOT-BC86386  Quercus dumosa John Thomas Howell 1928-3-20 3476 Los Angeles Hills E of Vermont Canyon, Griffith Park Comment
  IRVC21334  Quercus dumosa Karlin G. Marsh 1984-9-19 s.n. Los Angeles Santa Monica Mountains. Westlake Village along Trifuno Canyon Road. 285 Comment
  POM19032  Quercus durata var. gabrielensis E. S. Spalding 1921-2-23 s.n. Los Angeles Near Palmer Canyon, north of Claremont. Comment
  RSA752453  Quercus durata var. gabrielensis Justin M. Wood 2009-4-22 520 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  CAS-BOT-BC94165  Quercus engelmannii William Marriott Canby; Sargent 1894-3-1 450 Los Angeles Pasadena Comment
  RSA611103  Quercus engelmannii Louis C. Wheeler 1936-1-19 4070 Los Angeles South slope San Gabriel Mountains, just above Pottinger Sanitarium. 305 Comment
  RSA748286  Quercus engelmannii Justin M. Wood 2009-4-13 500 Los Angeles Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 49 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-BC94752  Quercus john-tuckeri Timothy S. Ross; Steve Boyd 1994-9-20 8218 Los Angeles Upper Bee Canyon: drainage on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua Dulce Road 740 Comment
  UCR185578  Quercus lobata A. C. Sanders 2007-4-25 33571 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  SBBG52933  Quercus tomentella F. C. Boutin 1967-4-23 1659 Los Angeles Lemon Tank 304 Comment
  UCD47344  Quercus tomentella Robert F. Thorne 1966-9-16 36715 Los Angeles Santa Catalina Island: left branch of Pebbly Beach Canyon. 121 Comment
  UCD47346  Quercus tomentella Larry DeBuhr; Gary Wallace 1972-9-2 700 Los Angeles San Clemente Island, Los Angeles Co; on rocky canyon walls in the second large canyon south of Lemon Tank. On Santa Cruz, Santa Rosa, Santa Catalina, San Clemente Island, and the Guadalupe Island. 365 Comment
  RSA476765  Quercus wislizeni Geo. L. Moxley 1902-6-10 s.n. Los Angeles Mt. Wilson, Southern California. 1524 Comment
  UC1135836  Quercus wislizeni A. Lewis Feb 1934 267 Los Angeles Kings Canyon Elizabeth Lake Quad. 975 Comment
  POM50195A  Rafinesquia californica L. R. Abrams 1901-04 s.n.-A Los Angeles Devil's Gate. Comment
  RSA0105024  Rafinesquia californica R. G. Swinney 2011-4-26 14487 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
  RSA535746  Rafinesquia californica Timothy S. Ross 1991-5-23 5495 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment 81 Comment
  POM99376  Ranunculus californicus George B. Grant 1902-06 1109 Los Angeles Lincoln Park, Los Angeles Comment
  RSA399389  Ranunculus californicus Chung-Hsin Chung 1931-2-14 s.n. Los Angeles Hillside, Eagle Rock Comment
  SBBG122434  Ranunculus muricatus R. Burgess, P. Munro 1998-5-17 2823 Los Angeles vacant land NE of corner of Kanan Rd and Canwood St, Agoura Hills 268 Comment
  SEINET10481174  Raphanus raphanistrum David B. Dunn 1947-3-19 Dunn 2927 Los Angeles Collected on north side of wilshire .5 block e. Of manning in a vacant lot. Comment
  UCSB2402  Raphanus raphanistrum McElwain, Isabelle 1953-3-29 Los Angeles N of 18000 Bull Canyon Rd., Granada Hills Comment
  RSA755840  Rhamnus californica R. G. Swinney 2008-7-2 9109 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 and Old Hwy 39 1878 Comment
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Sep 21 2010
  UC1071539  Rhamnus californica A. Lewis 1934-2-1 268 Los Angeles Elizabeth Lake Canyon Angeles National Forest, Elizabeth Lake Quad. 883 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
  RSA642513  Rhamnus californica subsp. californica D. E. Bramlet 1999-5-14 2762 Los Angeles Puente Hills. 457m northwest of the 57/60 freeway and 1 km east of old Brea Canyon Road. 310m east from the end of Cottonwood Lane. 201 Comment
  UC440439  Rhamnus californica subsp. californica H. Anderson and Carl Epling 1930-5-30 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  SEINET6699512 Image available Rhamnus crocea var. ilicifolia Ira W. Clokey, B. Templeton 4575 Los Angeles Mandeville Canyon, Santa Monica Mountains 275 Comment
  CAS-BOT-BC55978  Rhamnus ilicifolia Herman Knoche 1919-6-25 Series A, No. 886 Los Angeles Catalina Island, Avalon Comment
  CAS-BOT-BC59843  Rhamnus ilicifolia Peter H. Raven; Robert F. Thorne 1964-5-7 18999 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA651272  Rhamnus ilicifolia A. E. Hersh 1950-7-15 s.n. Los Angeles Topango [Topanga] Canyon about 3 miles from west end. 152 Comment
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May 29 2014
  UCSB11512  Rhamnus ilicifolia Haines, Bruce 1962-3-11 Los Angeles 5 miles north of Pacific Ocean on California Highway 27; Topanga 259 Comment
  UCR50759  Rhamnus pirifolia Tom Scott 1988-5-8 s.n. Los Angeles Channel Islands, San Clemente Island, bottom of Horse Canyon Comment
  RSA332043  Rhamnus tomentella subsp. cuspidata Wayne E. Sawyer 1981-7-10 89 Los Angeles Angeles National Forest: Hwy 2 between Dawson Saddle and junction of Highway 39, 1.6 mile from Dawson Saddle. 2302 Comment
  UCR200112  Rhus aromatica Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 655 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  SEINET10778867  Rhus integrifolia Louis C. Wheeler 1933-3-19 Wheeler 1553 Los Angeles Just within mouth of San Grabriel Canyon, San Gabriel Mts. 244 Comment
  RSA155355  Rhus ovata P. H. Raven 1962-5-21 17803 Los Angeles Santa Catalina Island. Upper Bullrush Canyon, ridge on west side. 290 Comment
  UCR100059  Rhus ovata R. G. Swinney 1967-4-5 329 Los Angeles San Gabriel Mtns,, c. 300 yds north of Hwy 66 in Irwindale, c. 500 yds east of the San Gabriel River Channel Comment
  CDA35345  Rhus trilobata E. Pencall 1960-9-21 s.n. Los Angeles Three Points. 0 Comment
  RSA549783  Ribes aureum var. gracillimum Wandalee Thompson 1964-4-11 4 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  CAS-BOT-BC93104  Ribes californicum var. hesperium Joseph Andorfer Ewan 1932-2-27 7025 Los Angeles Santa Monica Mountains. Mandeville Canyon. 304 Comment
  UC11562  Ribes californicum var. hesperium State Survey 1861-1-13 133 Los Angeles San Gabriel Comment
  UCR174651  Ribes californicum var. hesperium Jennifer H. Jones, Jay H. Jones 2006-6-4 381 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Webb Canyon Road 457 Comment
  CAS-BOT-BC93395  Ribes cereum H. E. McMinn 1926-7-22 1784 Los Angeles Near summit of Mount San Antonio. Comment
  JEPS49404  Ribes cereum Frank W. Peirson 1918-6-17 256 Los Angeles summit North Baldy; San Antonio Mts. Comment
  RSA48021  Ribes indecorum C. F. Baker 1904-2-15 4011 Los Angeles San Antonio Canyon Comment
  UCR107800  Ribes indecorum Matilda Low 1997-3-16 25 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges). NW corner of Mills Ave & Foothill Blvd. 412 Comment
  CAS-BOT-BC173401  Ribes malvaceum Peter H. Raven; Henry J. Thompson 1959-2-25 13810 Los Angeles 1.2 miles east of summit, Saddle Peak 670 Comment
  CAS-BOT-BC173422  Ribes malvaceum T. Craig; W. Simonds 1927-4-30 233 Los Angeles Fern Canyon, near Brown's Flats, San Antonio Mts. Comment
  SD84890  Ribes malvaceum var. malvaceum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island: Head of canyon, Mosquito Summit. Comment
  RSA0097616  Ribes malvaceum var. viridifolium R. G. Swinney 2011-4-28 14538 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  UCR203101  Ribes nevadense R. G. Swinney 2001-8-27 8113 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  CAS-BOT-BC168668  Ribes speciosum Alice Eastwood 1919-7-4 9290 Los Angeles Santa Monica Canyon Comment
  POM158000  Ribes viburnifolium M. B. Dunkle 1928-2-19 1707 Los Angeles Santa Catalina Island, Hay Press 427 Comment
  UCR146477  Romneya coulteri Scott D. White, Michael Honer 2004-6-24 10494 B Los Angeles Pomona Valley/ San Gabriel Mtn. Foothills, City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and west of concrete-lined flood control channel 518 Comment
  LA201903  Romneya trichocalyx Arthur C. Gibson; 2003-5-21 4905 Los Angeles 15 Comment
  LA51498  Rorippa nasturtium-aquaticum O. H. Kappler; 1944-5-14 618 Los Angeles 0 Comment
  CATA3123  Rosa californica Amy Catalano 2016-5-25 128 Los Angeles Santa Catalina Island: North side of side drainage going northeast from large oak at sharp turn on Big Springs Road, 100 m up drainage 75 Comment
  POM156200  Rosa californica L. R. Abrams 1902-6-15 2539 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  SBBG70546  Rosa californica M. N. Ackley -May-1930 1268 Los Angeles Monte Vista Park 243 Comment
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May 7 2015
  SEINET3157409  Rosa californica L. Abrams 1902-6-15 2539 Los Angeles Sepulveda Canyon. Santa Monica Mts. Comment
  UC914713  Rosa californica Ezra C. Knopf 153 Los Angeles Santa Catalina Island Comment
  RSA366405  Rubus parviflorus L. E. Hoffman 1928-8-17 s.n. Los Angeles Buckhorn, Angeles National Forest 2165 Comment
  POM366436  Rubus ursinus Anstruther Davidson 1891-06 1828 Los Angeles Catalina Island. Comment
  RSA600918  Rubus ursinus Louis C. Wheeler 1968-3-21 s.n. Los Angeles Foothills of San Gabriel Mountains: West Debris Basin, Brown School for Girls. [added later:] NW of Glendora. 412 Comment
  RSA756731  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36958 Los Angeles confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  LA52271  Rumex crispus M. Zaitlin; 1951-4-8 sn Los Angeles 9 Comment
  LA202426  Rumex fueginus Arthur C. Gibson; 2004-8-30 5081 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, along creek bed entering Lake Malibou, 200 m from bridge off Lake Vista Dr. Comment
  UCR127068  Rumex hymenosepalus Mark A. Elvin, Cathleen Weigand 2003-4-7 2448 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  RSA65462  Rumex maritimus F. W. Peirson 1921-6-19 2449 Los Angeles Crystal Lake, North Fork San Gabriel River 1677 Comment
  RSA65463  Rumex maritimus F. W. Peirson 1804 Los Angeles San Fernando Valley. Comment
  UCD101394  Rumex obtusifolius A. C. Sanders; Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26223 Los Angeles Western San Gabriel Mtns.: Castaic Valley along Castaic Creek 0-2km downstream from Lake Hughes Rd., Newhall Ranch. 351 Comment
  CAS-BOT-BC433925  Rumex salicifolius L. R. Abrams; I. L. Wiggins 1931-7-6 366 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  UC205908  Rumex salicifolius var. salicifolius D. L. Crawford 1915-8-1 Los Angeles mountains near Claremont Comment
  RSA0062518  Sairocarpus coulterianus R. G. Swinney 2010-4-20 12318 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  HSC78690  Salazaria mexicana James Henrickson, D. Soltz 1975-5-26 14678 Los Angeles 8 mi. E of Little Rock along Powerline Rd., 1 mi. N of Pearblossom Hwy. at crossing of Big Rock Creek 930 Comment
  CAS-BOT-BC108058  Salix exigua A. D. E. Elmer 1902-6-1 3650 Los Angeles Saugus Comment
  RSA0110504  Salix exigua R. G. Swinney 2010-6-1 13143 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
  UC506456  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-1-28 7631 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  LA208743  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-11 7643 Los Angeles Above Ballona Creek, S of Culver City [Area 2] Comment
  LA38804  Salix laevigata Henry J. Thompson; 1960-3-13 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  SD186328  Salix laevigata Andrew C. Sanders, Lee Jones 2005-4-8 29352 Los Angeles Palos Verdes Peninsula, old marineland site on Long Point and bluffs toward Pt. Vicente 2 Comment
  POM362597  Salix lasiandra var. lasiandra Louis C. Wheeler 1932-3-10 460 Los Angeles Big Dalton Canyon, San Gabriel Mountains 427 Comment
  UC506420  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-11 7667 Los Angeles Ballona Creek at Ballona Marshes (back of dike); Ballona Creek at Ballona Marshes Comment
  UCR197190  Salix lasiolepis Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 670 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UCSB965  Salix lasiolepis Beach, Kay 1943-4-28 Los Angeles Falls on 4100 north trail; San Dimas Exp. Forest Comment
  CDA20306  Salsola australis M. O'Brien 2004-11-3 s.n. Los Angeles Southern California Coast; El Pescador State Beach. 0 Comment
  RSA599695  Saltugilia splendens subsp. grantii L. C. Wheeler 1936-6-12 4177 Los Angeles San Gabriel Mountains: San Dimas Canyon. 701 Comment
  LA82019  Salvia apiana O. H. Kappler; 1940-6-21 56 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA145216  Salvia apiana Alice Ann Webb, R. Heald 1961-3-21 791 Los Angeles Johnson's Pasture, Claremont. San Gabriel Mt. Range, San Gabriel drainage area. 457 Comment
  RSA411303  Salvia apiana Thekla Mohr 1897-05 s.n. Los Angeles Eaton Canyon. Comment
  SBBG12651  Salvia apiana E. R. Blakley 1962-10-3 5379 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  UC620095  Salvia apiana F. R. Fosberg 1931-5-6 S 4808 Los Angeles Cape Canyon Cape Canyon, Santa Catalina Island; Santa Catalina Island 280 Comment
  UCR186774  Salvia apiana A. C. Sanders 2006-5-16 32348 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  OBI8153  Salvia apiana Lewis Meltz 1977-4-9 LM 15 Los Angeles 25m S of Eaton Cyn wash, 3.0 km E of Eaton Cyn Bridge Comment
  POM49968  Salvia apiana var. compacta A. D. E. Elmer 1902-06 3684 Los Angeles Acton, Mt. Gleason. Comment
  POM4138  Salvia carduacea Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA401451B  Salvia columbariae N. C. Cooper 1948-4-21 2665 Los Angeles Littlerock. 762 Comment
  UCR231786  Salvia columbariae Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  UCR276978  Salvia columbariae R. G. Swinney 2010-6-1 13153 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
  RSA121517  Salvia columbariae G. T. Nordstrom 1935-4-21 466 Los Angeles 1/2 mile N of Tejon Pass. 1280 Comment
  RSA250614  Salvia dorrii var. pilosa Robert F. Thorne, J. P. Simon, J. Dourley, H. Caulfield 1970-5-1 39551 Los Angeles Ca. 3 mi S of Pearblossom near junction of Valyermo & Pearblossom roads 1159 Comment
  POM126520  Salvia leucophylla Katherine Brandegee s.n. Los Angeles Saugus. Comment
  RSA611845  Salvia leucophylla Steve Boyd, Valerie Soza 1998-4-28 10167 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road east of junction with Plum Canyon Road. 512 Comment
  CAS-BOT-BC229935  Salvia mellifera Alice Eastwood 1919-7-4 9279 Los Angeles Santa Monica Canyon, Los Angeles Comment
  JEPS62755  Salvia mellifera Julia A. Bettys 1929-4-29 Los Angeles Los Angeles Comment
  LA52354  Salvia mellifera Carl Epling; Nesta Hutchinson, A. N. Dunn 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA434105  Salvia mellifera N. C. Cooper 1948-4-21 2706 Los Angeles Saugus. 762 Comment
  UCR136928  Salvia mellifera B. C. Templeton 1929-12-19 1439 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 250 Comment
  UCR270988  Salvia mellifera R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14323 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  RSA612437  Sambucus caerulea Bill Campbell 1932-4-23 s.n. Los Angeles Santa Monica Mountains; Los Alisos canyon. Comment
  RSA5921  Sambucus mexicana C. B. Wolf 1932-7-6 3833 Los Angeles Van Nuys Blvd., 1/2 mile E of Pacoima Post Office 335 Comment
  UC1125328  Sambucus mexicana A. Lewis Jan 1934 237 Los Angeles La Brun Angeles National Forest, Elizabeth Lake Quadrangle 762 Comment
  SDSU14343  Sambucus nigra subsp. caerulea John Viggiano 2003-4-3 30 Los Angeles South Hills Park, Glendora. 1/2 mile north along trail behind restroom, in a clearing. 290 Comment
  SFV21130  Sambucus nigra subsp. caerulea L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1036 Los Angeles Verdugo Mountains South side of Verdugo Mountains. West side of Brand Canyon just a short distance above the cemetery. Shady canyon site, next to stairs that go up to an old foundation. 307 Comment
  UCR273545  Sambucus nigra subsp. caerulea R. G. Swinney 2011-7-7 15450 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  LA200368  Sambucus nigra subsp. canadensis Jonathan Sauer; 1969-6-4 4582 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, lower, Pacific Palisades, edge of Annona orchard. Comment
  RSA167642  Sanguisorba minor Peter H. Raven, Robert F. Thorne 1964-5-7 19037 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  POM122935  Sanicula arguta Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UC1587721  Sanicula arguta Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-18 5159 Los Angeles 950 ft wnw of Stone (at beginning of the Stone Canyon drainage, San Clemente Island); San Clemente Island 441 Comment
  POM3422  Sanicula bipinnata L. R. Abrams 1901-4-3 1301 Los Angeles Los Angeles River, San Fernando Valley Comment
  RSA562656  Sanicula crassicaulis Steve Boyd, Walter Appleby 1993-4-22 7985 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA785646  Sanicula tuberosa K. Dobry 1991-5-13 517 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR273427  Saponaria officinalis R. G. Swinney 2011-7-7 15463 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  UC1483932  Sarcodes sanguinea Gary D. Wallace 1969-6-23 821 Los Angeles 1 - 2 mi. e. Ridgecrest (along Angeles Crest Hwy. (State Hwy. 2), 200 yds. w. of a picnic ground, Angeles Nat'l Forest); San Gabriel Mts., Angeles Nat'l Forest Comment
  POM186325  Schinus molle L. C. Wheeler 1932-9-6 1352 Los Angeles Thompson wash near La Verne. 373 Comment
  RSA0070327  Schinus molle R. G. Swinney 2010-5-7 12598 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  LA98920  Schismus arabicus E. R. Hobbs; 1978-4-23 78 -164 Los Angeles Antelope Valley, Little Rock, State Highway 138 Comment
  RSA343363  Schismus arabicus F. R. Fosberg 1983-4-22 64145 Los Angeles N of Saddleback Butte, n of Avenue J, E of Lancaster, Antelope Valley Comment
  SD223162  Schismus arabicus Robert F, Thorne, P. Everett 1965-5-10 34455 Los Angeles around Echo Lake, Santa Catalina Island 410 Comment
  SBBG132309  Schismus arabicus S. A. Junak, B. Collins 1991-4-26 SCI- 241 Los Angeles E side of island along main rd, S of airfield 115 Comment
  RSA1409  Schoenoplectus americanus I. M. Johnston 1917-6-14 1349 Los Angeles West of Pomona. Comment
  LA33905  Scirpus californicus Peter H. Raven; Henry J. Thompson 1959-9-6 14371 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, mouth of creek. 6 Comment
  UC2155  Scirpus maritimus S. B. and W. F. Parish October, 1881 1115 Los Angeles Coyote Creek Comment
  JEPS48954  Scirpus microcarpus J. Ewan 1932-5-30 7232 Los Angeles West Fork Tujunga Creek Mt. Gabriel Mts., West Fork Tujunga Creek 1066 Comment
  UCR271318  Scirpus microcarpus R. G. Swinney 2011-5-12 14696 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  UC887497  Scrophularia californica Ira W. Clokey, B. Templeton July 1929 4573 Los Angeles Mandeville Canyon; Santa Monica Mts 300 Comment
  LA51843  Scrophularia californica subsp. californica Miss Courtney; 1926-4-3 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA658837  Scrophularia californica subsp. floribunda J. S. Burns 1992-5-11 17 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest 762 Comment
  RSA3528  Scrophularia villosa Carl B. Wolf 1932-5-9 3471 Los Angeles Santa Catalina Island. Along the trail in the left (east) fork of Pebbly Beach Canyon, 1/2 mile above the Mexican houses. 61 Comment
  SEINET3153292  Scutellaria angustifolia G. B. Grant 1189 Los Angeles Altadena Comment
  CAS-BOT-BC341088  Scutellaria mexicana Robert F. Thorne 1973-5-11 43481 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4-1/2 mi N of Bob's Gap, N slope of Holcomb Ridge, c. 2 1/2 mi due S of Llano 1158 Comment
  RSA226013  Scutellaria siphocampyloides Robert F. Thorne, C. W. Tilforth 1971-6-29 40657 Los Angeles San Gabriel Mountains, Angeles National Forest: Lttle Rock Creek, just below Little Rock Forestry station, 1/2 mi. below Little Rock Dam 945 Comment
  RSA567299  Scutellaria siphocampyloides Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3974 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA0135519  Scutellaria siphocampyloides Janell Cassianni 2007-06 4 Los Angeles Chilao / Horse Flats. Comment
  LA52368  Scutellaria tuberosa W. O. Griesel; 1936-3-8 sn Los Angeles Santa Monica Mountains, Latigo Canyon, unspecific location Comment
  LA54475  Scutellaria tuberosa A. M. Johnson; 1934-3-16 4374 Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  UCR149317  Scutellaria tuberosa R. G. Swinney 1998-4-13 5963 Los Angeles San Gabriel Mtns., Claremont Hills Wilderness Park 622 Comment
  RSA506210  Selaginella asprella Louis Cutter Wheeler 1967-7-15 10062 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA729491  Selaginella asprella R. G. Swinney 1998-8-27 6806 Los Angeles ridge due north of Big Horn Ridge and south of San Antonio Ridge hight spor on ridge above Coldwater Canyon. Montane coniferous forest and chaparral on rige top. 2378 Comment
  UC557632  Selaginella bigelovii Nell Murbarger Mar 1936 42 Los Angeles San Clemente Island Comment
  CAS-BOT-BC62035  Selaginella bigelovii Grant 1903-3-16 5338 Los Angeles Sawpit Canyon, Mourovia Comment
  UC1587671  Senecio Tim Ross 1991-8-14 5795 Los Angeles 3200 ft nw Alder Saddle (Pacifico Mtn Rd); San Gabriel Mts., Chilao Flat USGS 7.5' 1767 Comment
  RSA94708  Senecio astephanus F. W. Peirson 4312 Los Angeles upper part of Mt. Wilson trail (now toll road) Comment
  UCR124598  Senecio californicus B. C. Templeton, I. W. Clokey 1930-4-8 1058 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  CAS-BOT-BC333116  Senecio flaccidus var. douglasii John H. Thomas 1956-11-8 6471 Los Angeles Western side of santa Anita Canyon about 7 miles NNE of Pasadena, San Gabriel Mountains 609 Comment
  CDA8633  Senecio flaccidus var. douglasii unknown 2005-10-21 152 Los Angeles Santa Monica Mountains: Rustic Canyon. 0 Comment
  UC127519  Senecio flaccidus var. douglasii H. M. and G. R. Hall 1908-7-4 8334 Los Angeles San Francisquito Canyon Comment
  UC149183  Senecio flaccidus var. douglasii LeRoy Abrams 1902-7-3 2646 Los Angeles Little Santa Anita canyon Little Santa Anita Comment
  UC75034  Senecio flaccidus var. douglasii Le Roy Abrams 1902-7-5 1562 Los Angeles Azusa Comment
  RSA643397  Senecio ionophyllus Orlando Mistretta, Joe Mistretta 1992-9-22 816 Los Angeles San Gabriel Mountains: Pacific Crest Trail, between Cloudburst Summit and Cooper Camp. Comment
  CAS-BOT-BC364403  Senecio triangularis I. M. Johnston 1917-8-22 1679 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 2133 Comment
  RSA755821  Senecio vulgaris R. G. Swinney 2008-12-2 9907 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east. 165 Comment
  UCR153142  Senecio vulgaris A. C. Sanders, T. B. Salvato 2005-4-26 29729 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  UC1611554  Senna artemisioides T. S. Elias 1993-1-24 12445 Los Angeles n of Claremont (San Gabriel Mountains, along Burbank Fire Road in Burbank Canyon, w of Palmer Canyon); San Gabriel Mountains, Burbank Canyon, Burbank Fire Road Comment
  RSA0056347  Sequoia sempervirens P. R. Brown 1971-4-1 s.n. Los Angeles Pierce College Nature Center, upper end of Canon de Lana. 274 Comment
  SEINET222399  Sequoiadendron giganteum Leila M. Shultz 1981-4-11 4935 Los Angeles Rancho Santa Ana Botanic Garden Claremont cultivated native plants. 305 Comment
  UC816719  Setaria italica Geo. B. Grant June, 1901 2801 Los Angeles Comment
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Sep 4 2007
  LA8981  Setaria parviflora A. M. Johnson; 1937-11-1 87 Los Angeles Del Rey Comment
  RSA611490  Setaria viridis L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  LA82218  Sida hederacea O. H. Kappler; 1944-6-18 sn Los Angeles West Los Angeles Comment
  CLARK-A1528-3239  Sida leprosa var. hederacea John C. Roos 1942-9-5 1744 Los Angeles Westwood Village Comment
  RSA433864  Sidalcea malviflora Anstruther Davidson 1890-05 s.n. Los Angeles Riverside, Sunnyside, Los Angeles Comment
  UC18936  Sidalcea neomexicana unknown June 1892 Los Angeles Santa Monica Comment
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Dec 24 2007
  CAS-BOT-BC434380  Sidotheca trilobata A. D. E. Elmer 1902-6-1 3695 Los Angeles Acton Comment
  RSA191041  Silene antirrhina James Henrickson 1963-5-5 32324 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts., 518 Comment
  CATA427  Silene gallica Sara L. Crockett, Sheila Schueller 1997-3-8 565 Los Angeles Santa Catalina Island: Valley of the Ollas, 2.8 miles W on Empire Landing Road from jct. with Airport Road, N side of road, ca. 200 m toward San Pedro Channel 268 Comment
  SBBG95241  Silene gallica M. B. Dunkle 1928-4-10 1827 Los Angeles Johnson's Cyn 274 Comment
  SD264801  Silene gallica Steven A. Junak, Ralph N. Philbrick 2001-5-18 Sca 1542 Los Angeles UTM in supplement. Santa Catalina Island. Cottonwood Canyon, along N side of Cottonwood-Blackjack Road, ca 1.65 miles WSW of Blackjack Peak. 305 Comment
  UCR174984  Silene gallica Holly Summers 2006-4-30 003 Los Angeles San Gabriel Mtns., hills northeast of Tujunga, foot of Bluegum Canyon, north side of Day St. between Leona Ave. an Haines Canyon Rd. 585 Comment
  SD66895  Silene gallica R. Mitchel Beauchamp 1967-3-17 244 Los Angeles San Clemente Island; west of Wilson Cove. Comment
  RSA477943  Silene laciniata subsp. major M. Bisbee 1917-6-6 s.n. Los Angeles North hills, Eagle Rock Comment
  POM6293  Silene parishii I. M. Johnston 1917-9-16 1685 Los Angeles west slope of Baldy 2743 Comment
  RSA0089420  Silene parishii R. G. Swinney 2011-7-21 15529 Los Angeles Strawberry Peak summit 1860 Comment
  RSA620160  Silybum marianum L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Foster Ranch, Sycamore Canyon. South slope Johnstone Peak 731 Comment
  RSA598862  Sisymbrium altissimum Steve Boyd, Timothy S. Ross 1997-3-21 9239 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  SBBG12247  Sisymbrium irio P. H. Raven 1962-4-9 17140 Los Angeles near barracks, Wilson Cove 60 Comment
  RSA563490  Sisymbrium orientale Timothy S. Ross, Walter Appleby 1993-5-13 7117 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  RSA602450  Sisymbrium orientale Scott D. White 1997-5-14 5133 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  UC205493  Sisyrinchium bellum S. B. Parish 1919-4-19 19268 Los Angeles near San Dimas; Lone Hill Comment
  CSUSB34  Sisyrinchium bellum S. Catsiff 1965-4-17 Los Angeles 0.5 mile west of Topanga on Old Topanga Road, by stream. 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
  RSA12646  Solanum americanum Carl B. Wolf 1934-8-16 6053 Los Angeles peat land on Bryant Ranch east of Long Beach. 700 ft. east of center of sect. 34; 950 ft. So. of No. line of Same. 6 Comment
  POM280533  Solanum douglasii Lyman D. Benson 1933-11-12 5728 Los Angeles Westwood, Beverly Hills. 122 Comment
  RSA422433  Solanum douglasii Elbert Benjamine, Benjamine Rice 1929-1-6 s.n. Los Angeles Between N Ave. 61 and Arroyo Seco, Los Angeles Comment
  RSA642689  Solanum douglasii Orlando Mistretta 1992-7-14 707 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UC26220  Solanum douglasii J. H. Barber 1897-3-16 65 Los Angeles Santa Monica Experiment Station Comment
  RSA422423  Solanum douglasii Robert Gustafson 1980-9-16 1925 Los Angeles Ballona Wetlands, Area 1. Comment
  SBBG55464  Solanum douglasii D. Wheat 1967-5-9 39 Los Angeles Little Dalton Cyn, NE of Glendora, 3 mi N of US 66 243 Comment
  SEINET7262243 Image available Solanum elaeagnifolium B. Miller, W. Griesel 1963-7-2 s.n. Los Angeles Old Ridge Rte between Violin Summit & Reservoir Lookout Comment
  UCR206504  Solanum nigrum A. C. Sanders, T. B. Salvato 2009-5-20 36849 B Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  RSA0042406  Solanum rostratum Chuck Brasch 2011-8-17 s.n. Los Angeles Private residence in Claremont, CA. No. Grand Ave. 470 Comment
  CAS-BOT-BC156777  Solanum umbelliferum J. T. Howell 1931-6-6 6670 Los Angeles Sandberg's, Ridge Route Comment
  RSA0031687  Solanum umbelliferum M. J. Schoenfeld 1967-8-21 13 Los Angeles Glendale Foothills. 213 Comment
  RSA588965  Solanum umbelliferum Orlando Mistretta 1994-6-8 1346 Los Angeles San Gabriel Mountains: Little Rock Creek. un-named drainage draining N slope of Bare Mountain. 1616 Comment
  SBBG95466  Solanum wallacei M. B. Dunkle 1928-2-19 1709 Los Angeles near rd, Hay Press 426 Comment
  UCD127101  Solanum xanti Daryl Koutnik; Bruce Holguin 1978-4-1 203 Los Angeles Mint Canyon on Sierra Hwy, 5 miles northwest of State Hwy 14. 563 Comment
  LA88586  Solidago californica O. H. Kappler; 1943-9-5 530 Los Angeles Santa Monica Mountains, Lechusa Canyon 304 Comment
  CAS-BOT-BC365994  Sonchus asper Wesley O. Griesel 1961-6-3 s.n. Los Angeles Devils Gate Dam, Pasadena 457 Comment
  POM155584  Sonchus oleraceus M. B. Dunkle 1928-4-11 1854 Los Angeles Santa Catalina Island. Near Isthmus. Comment
  POM310569  Sorghum halepense Hulda Crooks 1945-10-22 127 Los Angeles Claremont. 351 Comment
  UCD92753  Sorghum halepense Jack McWhorter 1976-5-19 s.n. Los Angeles North Hollywood. Comment
  RSA611258  Sparganium erectum subsp. stoloniferum L. C. Wheeler 1946-9-22 6375 Los Angeles Rosemead Blvd. & San Gabriel Blvd. Comment
  RSA603403  Spartium junceum L. C. Wheeler 1975-8-22 s.n. Los Angeles San Gabriel Mountains: North side Sunset Ridge by Millard Canyon, by power line. Comment
  UCR172710  Spartium junceum Jun Hu, Weena Sangkatavat 2000-4-22 07 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  SD21289  Spergularia macrotheca Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island; Avalon. Comment
  CAS-BOT-BC390331  Spergularia macrotheca var. macrotheca Geo. B. Grant 1901-4-9 4884 Los Angeles Avalon Comment
  RSA0098390  Spergularia macrotheca var. macrotheca P. H. Raven, Henry J. Thompson 1959-6-4 14342 Los Angeles Point Dume. 12 Comment
  CAS-BOT-BC390798  Spergularia marina Alice Eastwood 1906-6-2 185 Los Angeles Country adjacent to Los Angeles. San Pedro Comment
  CAS-BOT-BC391001  Spergularia villosa Geo. B. Grant 1906-4-7 6608 Los Angeles Pasadena Comment
  UCR258766  Sphaeralcea ambigua subsp. ambigua R. G. Swinney 2010-6-1 13127 Los Angeles San Gabriel Mountains, lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  SEINET7047911  Sphaeralcea ambigua var. rugosa Steven R. Hill, Kate Kramer 2001-4-22 33360 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
  RSA442886  Sphaeralcea emoryi subsp. variabilis T. W. Minthorn 1925-5-30 s.n. Los Angeles Near Palmdale. Comment
  JEPS62952  Stachys ajugoides var. rigida Frank W. Peirson 1918-8-16 179 Los Angeles San Antonio Canyon San Gabriel Mts. 1341 Comment
  POM156182  Stachys albens L. R. Abrams 1902-6-12 2520 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA447290  Stachys albens Anstruther Davidson 1922-5-1 3553 Los Angeles Playa del Rey. Comment
  CSUSB1068  Stachys bullata Sally Crum 1966-4-16 Los Angeles San Gabriel Mountains San Gabriel Mountains; In deeply shaded ravine at southern end of San Lorenzo Nursery boundary road in Cloverleaf Canyon. 1066 Comment
  UC575005  Stachys bullata E. Lloyd 1933-4-13 Los Angeles Temescal Canyon Santa Monica Mts. Comment
  RSA446684  Stachys rigida subsp. quercetorum Anstruther Davidson 1920-1 s.n. Los Angeles Los Angeles. Comment
  SD124147  Stachys rigida var. quercetorum Richard S. Hood 1970-4-16 300 Los Angeles Pasadena; Arroyo Seco Park on fire road Ao mi. So. Of Pasadena Fwy. Opposite Ave. 57 182 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
  CAS-BOT-BC393694  Stellaria media P. A. Munz; R. D. Harwood 1920-3-1 4307 Los Angeles Cobol Canyon 426 Comment
  CAS-BOT-BC397703  Stellaria nitens Munz; Street; Williams 1919-3-15 2409 Los Angeles South Hills, Pomona Comment
  UCD99480  Stellaria nitens Louis C. Wheeler 1967-5-2 9261 Los Angeles Liebre Mountains, north side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 365 Comment
  CAS-BOT-BC322842  Stephanomeria pauciflora A. D. E. Elmer 1902-6-1 3501 Los Angeles Lancaster Comment
  RSA594195  Stephanomeria pauciflora var. pauciflora Steve Boyd, Lauren Raz 1996-10-14 9053 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  RSA0021707  Stephanomeria virgata Duncan S. Bell, Caitlin Elam 2013-6-24 5256 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  CAS-BOT-BC375811  Stephanomeria virgata Philip A. Munz 1932-8-31 12819 Los Angeles At Playa del Rey Comment
  UC450946  Stillingia linearifolia Fay A. Macfadden 1931-3-30 2605 Los Angeles Tuna Canyon Verdugo Hills Comment
  UCR51520  Stipa cernua A. C. Sanders 1988-2-3 7603 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  SEINET10509447  Stipa hassei Hermann E. Hasse 1891-1 Hasse s.n. Los Angeles Dry ridges near Santa Monica Comment
  CATA694  Stipa lepida Mark L. Hoefs 1991-4-26 1187 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  RSA199184  Stylocline gnaphaloides R. F. Thorne, D. Propst 1968-5-28 37661 a Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA549535  Stylocline gnaphaloides Timothy S. Ross 1992-4-27 6243 Los Angeles Claremont: S side of Indian Hill Mesa, SW of RSA ground. 393 Comment
  RSA249821  Stylocline psilocarphoides R. F. Thorne, Gary D. Wallace 1973-4-25 43384 Los Angeles 1/4 mi N of Bob's Gap, N slope of Holcomb ridge 1158 Comment
  UCR124409  Suaeda californica B. C. Templeton 1968-2-25 11393 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  OBI35704  Symphoricarpos mollis Rebecca Cicoria 1982-4-25 42 Los Angeles Palos Verdes Peninsula: Lower Purple Canyon, Rolling Hills Comment
  UCR223145  Symphoricarpos rotundifolius var. parishii R. G. Swinney 2009-7-22 11327 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UC29845  Symphyotrichum subulatum J. Burtt Davy Oct 1896 2863 Los Angeles Pomona Comment
  RSA772307  Syntrichopappus fremontii R. G. Swinney 2009-4-28 10526 Los Angeles summit of Mt. Emma 1585 Comment
  UC1928590  Syntrichopappus fremontii Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 2 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. 1444 Comment