Search Results — 2000 specimen records retrieved (1534 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  SFV252  Abies concolor P. G. Kilburn 1957-12-19 570 Los Angeles San Gabriel Mountains Base of Mount Waterman ski lift 1982 Comment
  RSA460917  Abronia maritima Jack Rempel 1932-3-19 15240 Los Angeles El Segundo. Comment
  CAS-BOT-BC229369  Abronia umbellata Philip A. Munz 1932-8-31 12814 Los Angeles Playa del Rey Comment
  RSA0036756  Acacia baileyana Carol Zuck 1981-2-27 54 Los Angeles Vacant lot at end of Whispering Oaks Dr., West Covina. Comment
  CAS-BOT-BC177024  Acacia cyclops A. C. Sanders 2009-5-19 36813 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  CHSC26544  Acacia longifolia D. Freed 1967-5-20 97 Los Angeles 1/4 mile west of Rose Bowl, Pasadena. 76 Comment
  UCR49366  Acacia saligna A. C. Sanders 1987-9-18 7381 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  OBI51903  Acamptopappus sphaerocephalus Steve Myers 1988-6-29 s.n. Los Angeles Big Rock Creek wash, 2.5 mi e of Pearblossom Comment
  RSA725185  Acamptopappus sphaerocephalus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -108 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
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Jan 5 2015
  RSA249796  Acamptopappus sphaerocephalus var. hirtellus R. F. Thorne 1973-5-11 43495 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  CSUSB874  Acer macrophyllum Unknownnown 1968-4-18 s.n. Los Angeles On South side of wash bottom. About 5 miles north of San Antonio Dam on Mt. Baldy Road. San Gabriel Mts. Comment
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Oct 9 2014
  SEINET12766388  Acer macrophyllum K. Dobry 1991-5-2 581 Los Angeles Elsmere Canyon, West San Gabiel Mountains.; 0 Comment
  RSA776735  Acer negundo Steve D. Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11675 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA584484  Achillea millefolium T. S. Ross 1992-5-24 6415 Los Angeles Brown's Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  POM157975  Achillea millefolium var. californica M. B. Dunkle 1928-3-17 1754 Los Angeles Santa Catalina Island. Isthmus. 152 Comment
  SEINET261377 Image available Achnatherum coronatum Mary E. Barkworth 1981-1 4086 Los Angeles Angeles National Forest. Beside CA 20, just East of marker 41.16. 1370 Comment
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Sep 15 2014
  SEINET8911915  Achnatherum hymenoides D. J. M. 1991-1 Los Angeles Lake Los Angeles, Lovejoy Buttes in Lake Los Angeles 914 Comment
  SEINET255877  Achnatherum occidentale Mary E. Barkworth, LR Firestone 1982-8-26 4085 Los Angeles Angeles National Forest ; Campground on Cal 2 2240 Comment
  POM353190  Achnatherum speciosum Anstruther Davidson 1893-4-23 s.n. Los Angeles San Fernando Comment
  RSA660173  Achnatherum speciosum Orlando Mistretta 1992-5-25 450 Los Angeles Fenner Canyon Conservation Camp. S side of camp. Comment
  RSA775504  Achnatherum speciosum Orlando Mistretta, Christine Mistretta 2010-5-20 5164 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  RSA0091096  Acmispon americanus R. G. Swinney 2011-6-29 15326 Los Angeles mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  SD75555  Acmispon argophyllus var. argenteus Reid Moran 1941-2-19 594 Los Angeles San Clemente Island, Middle Ranch, gravelly slope of ravine 500 Comment
  SDSU4287  Acmispon argophyllus var. argenteus R. M. Beauchamp 1967-1-27 118 Los Angeles East of Wilson Cove. San Clemente Island. Comment
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May 16 2008
  UCD104218  Acmispon maritimus A. D. Gifford 1935-3-15 452 Los Angeles Seven miles south-east of Whitaker Peak. 548 Comment
  UCD104221  Acmispon maritimus Daryl Koutnik 1978-5-10 465 Los Angeles Corral Canyon Road, Santa Monica Mountains. 548 Comment
  CHSC99844  Acmispon maritimus var. maritimus LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Souza 2003-2-10 710 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. On west descending ridge down into Brand Canyon on east side of Brand Canyon. Collected on southwest facing slope. 576 Comment
  LA202291  Acmispon micranthus Arthur C. Gibson; 2005-3-27 5043 Los Angeles Simi Hills, Box Canyon, Box Canyon Road, N of Chatsworth Lake Comment
  SD186198  Acmispon micranthus A. C. Sanders, Mark Elvin, et al. 2003-4-14 25954 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  CATA1707  Acmispon strigosus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3027 Los Angeles Santa Catalina Island: Lower Fern Canyon 195 Comment
  UCD104701  Acmispon wrangelianus Kenneth A. Wilson 1962-3-25 1252 Los Angeles Soledad Canyon, west of Bee Canyon, north of River's End Ranch. Comment
  LA52121  Adenostoma fasciculatum A. M. Johnson; 1934-4-20 4430 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  POM96983  Adenostoma fasciculatum Philip A. Munz 1925-4-23 9440 Los Angeles San Gabriel Canyon. 488 Comment
  SD112024  Adenostoma fasciculatum Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, Upper White's Landing road Comment
  UC1127709  Adenostoma fasciculatum A. D. Gifford 1934-4-24 157 Los Angeles 2 mi. n.e. Castro Peak; Triunfo Pass Quad. Comment
  POM155756  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1928-4-22 1888 Los Angeles Santa Catalina Island; Buttonshell Beach. 23 Comment
  RSA729403  Adiantum aleuticum R. G. Swinney 1998-10-3 7008 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 2012 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
  POM246612  Adiantum capillus-veneris F. R. Fosberg 1931-7-13 R 112 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island 60 Comment
  SBBG31574  Adiantum jordanii R. M. Beauchamp 1967-3-20 361 Los Angeles cyn above beach rd, S of Avalon Comment
  UCR194075  Adiantum jordanii R. G. Swinney, Dave Larson 1999-5-29 7237 Los Angeles San Gabriel Mtns., lower East Fork San Dimas Canyon 598 Comment
  SBBG108185  Adiantum jordanii S. L. Crockett 1997-4-1 640 Los Angeles offshoot Cyn from Middle Cyn; 0.2 mi SW on Middle Cyn Rd from pump house; SE side of Rd 315 Comment
  UC1930146  Adiantum jordanii Mark Elvin, Orlando Mistretta 1996-3-24 136 Los Angeles Channel Islands; San Clemente Island: Eagle Canyon. Comment
  RSA657966  Agapanthus orientalis Christopher Vellema 2001-2-4 108 Los Angeles City of Glendale. Next to trail leading out of Greenbriar Street near northern edge of private property. 366 Comment
  RSA0053869  Ageratina adenophora R. G. Swinney 2010-4-20 12293 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UC1586192  Agnorhiza ovata Tim Ross 1991-8-16 5830 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad 1719 Comment
  RSA587283  Agoseris retrorsa Timothy S. Ross, Steve Boyd 1990-5-17 2559 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
  RSA588644  Agoseris retrorsa Orlando Mistretta 1994-5-31 1274 Los Angeles San Gabriel Mountains; Santiago canyon. N slope of Pacifico Mountain. 2021 Comment
  CAS-BOT-BC384740  Agrostemma githago C. F. Baker 1912-2-1 s.n. Los Angeles Claremont Comment
  UCR202722  Agrostis R. G. Swinney, Cody Clarke 2001-8-22 8082 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA594669  Agrostis exarata L. C. Wheeler 1967-7-30 10287 Los Angeles San Gabriel Mountains. Trail Canyon, vicinity of falls near confluence with McKinley Canyon. 732 Comment
  RSA330752  Agrostis idahoensis Wayne E. Sawyer 1981-7-24 104 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39. 1.8 miles from Dawson Saddle. 2287 Comment
  RSA384939  Agrostis stolonifera L. H. Ritchie 1943-6-27 s.n. Los Angeles Los Angeles. Comment
  CLARK-A1528-5191  Ailanthus altissima Alfred R. Roos 1949-7-21 Los Angeles Los Angeles Comment
  UCR178792  Ailanthus altissima R. G. Swinney 1989-6-24 s.n. Los Angeles San Gabriel Mtns., Little Dalton Canyon 427 Comment
  UCR101246  Alisma triviale L. C. Wheeler 1951-8-20 6836 Los Angeles Pasadena: Devils Gate Dam 305 Comment
  LA33455  Allium haematochiton Henry J. Thompson; 1959-3-27 1882 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi. E of peak. 701 Comment
  RSA641304  Allium lacunosum var. davisiae Orlando Mistretta, Mark Elvin 1995-5-8 1685 Los Angeles San Gabriel Mountains. Comment
  UCR192864  Allium monticola R. G. Swinney 1999-8-9 7605 Los Angeles San Gabriel Mtns., east end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  CAS-BOT-BC472948  Allium monticola Marcus E. A M Jones 1926-7-8 s.n. Los Angeles San Antonio Peak Comment
  JEPS56374  Allium peninsulare var. peninsulare Frank W. Peirson 1919-7-1 509 Los Angeles Fish Canyon San Gabriel Mountains, Fish Canyon 609 Comment
  SEINET10667014  Allium tuberosum Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3788 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  RSA748072  Allophyllum divaricatum R. G. Swinney 2003-5-12 8201 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  UC1714455  Allophyllum gilioides subsp. gilioides Geo. B. Grant 1906-6-14 507 Los Angeles summit Mt. Wilson; S. California 1524 Comment
  RSA452775  Alnus rhombifolia Fay A. MacFadden 1931-4-10 s.n. Los Angeles Tejunga [Tujunga] Canyon. A few trees near the stream. 396 Comment
  RSA59162  Alnus rhombifolia P. C. Everett 1950-9-30 15897 Los Angeles Holcomb Canyon, along trail to Devil s Punchbowl. 1326 Comment
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Mar 20 2014
  UC586847  Alnus rhombifolia Joseph Andorfer Ewan 1934-8-5 8458 Los Angeles Public Cp. #1 San Gabriel Mts., Prairie Fork San Gabriel River 1615 Comment
  UCR276796  Alnus rhombifolia R. G. Swinney 2011-3-29 14243 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
  RSA385636  Alopecurus myosuroides H. L. Bauer 1929-5-25 s.n. Los Angeles San Pedro Hills. [Palos Verdes Hills] Comment
  UCR149797  Amaranthus albus Scott D. White, Pam Devries 2004-6-14 10487 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  UCR259592  Amaranthus albus R. G. Swinney 2010-9-7 13678 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR205938  Amaranthus blitoides A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37067 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UCR205654  Amaranthus palmeri A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36991 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA70010  Amaranthus palmeri L. C. Wheeler 1932-9-8 1355 Los Angeles 2 miles NE La Verne 365 Comment
  RSA128250  Amaranthus powellii P. H. Raven 1959-10-25 14707 Los Angeles Santa Monica Mountains, Morning View Drive 61 Comment
  SD139700  Amblyopappus pusillus Jon Rebman, Jonathan Dunn 1996-4-29 3106 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 10 Comment
  RSA177888  Amblyopappus pusillus R. F. Thorne, Percy C. Everett 1965-5-11 34647 Los Angeles Along road to Rancho Escondito above Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  IRVC24009  Ambrosia acanthicarpa Fred M. Roberts, Gordon A. Marsh 1985-10-16 2464 Los Angeles Long Beach: Los Angeles River Channel between Willow St. and Pacific Coast Hwy, 3-4.5km from ocean, along margin of channeled river course in early successional riparian habitat, sandy soil. southern coastal 5 Comment
  UC53916  Ambrosia chamissonis Ernest Braunton 1902-5-1 311 Los Angeles Redondo Comment
  UC1069628  Ambrosia salsola A. Lewis 1933-4-20 189 Los Angeles 1.75 mi sw Palmdale; Elizabeth Lake Quad. 871 Comment
  UCR137149  Ammannia coccinea Anstruther Davidson 1902-5-30 s.n. Los Angeles Southern Coast, Bixby Slough [=Harbor Lake/Harbor Park, near Long Beach] 8 Comment
  CAS-BOT-BC180635  Amorpha californica var. californica Scott D. White; Justin Wood 2008-5-6 11933 B Los Angeles Chino Hills, NW of Carbon Canyon Rd. and SE of Tonner Canyon, SCE powerline corridor, SE corner of county, Firestone Boy Scout Reservation - Puente/Chino Hills 365 Comment
  CAS-BOT-BC180645  Amorpha californica var. californica Ernest Braunton 1902-6-1 424 Los Angeles Elysian Park Comment
  RSA499946  Amsinckia intermedia F. H. Elmore 1939-11-23 s.n. Los Angeles Northwest Harbor, San Clemente Island. Comment
  UC159172  Amsinckia intermedia Geo. B. Grant 1901-1 40 Los Angeles Pasadena; Pacific Coast Comment
  UCR205129  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  SD251685  Amsinckia intermedia M. B. Dunkle 1939-4-4 7263 Los Angeles San Clemente Island, Chenetti Canyon Comment
  UC79289 Image available Amsinckia lycopsoides Edward Lee Greene 1893-5-1 Los Angeles Watt's Station Comment
  SEINET3372079  Amsinckia menziesii G. Rink 2011-6-5 10595 Los Angeles Chino Hills 396 Comment
  UCR125431  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25716 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  RSA0089904  Amsinckia menziesii var. menziesii George B. Grant 1904-03 40 a Los Angeles Pasadena. Comment
  RSA0103784  Amsinckia tessellata R. G. Swinney 2011-4-20 14463 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  RSA465129  Anagallis arvensis F. R. Fosberg 1931-4-1 S 4433 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 60 Comment
  LA200778  Anagallis arvensis Jonathan Sauer; D. Bradbury, et. al. 1969-6-4 4580 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, lower, Pacific Palisades, edge of Annona orchard. 76 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
  UCR259179  Andropogon glomeratus R. G. Swinney 2010-6-23 13370 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
  SD232138  Andropogon glomeratus var. scabriglumis Justin M. Wood 2008-11-25 255 Los Angeles San Gabriel mountains, Big Tujunga Canyon, near road to Wildwood picinic area. On the side of the road in vicinity of spring. 579 Comment
  RSA0063155  Andropogon glomeratus var. scabriglumis F. W. Peirson 1918-10-16 1571 Los Angeles Near foot of Pacoima Canyon, west end of San Gabriel Mts. Comment
  UCR185585  Androsace elongata subsp. acuta A. C. Sanders 2007-4-25 33555 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  POM178027  Anemopsis californica Joseph A. Ewan 1931-5-16 4221 Los Angeles Dry Canyon near Calabasas. Comment
  RSA305713  Anemopsis californica Mark Hoefs 1973-6-5 331 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon. 23 Comment
  UC566704  Anisocoma acaulis Herbert L. Mason 1926-4-27 3034 Los Angeles Little Rock Creek; Mohave Desert Comment
  RSA93639  Antennaria dimorpha F. W. Peirson 1921-6-15 2492 Los Angeles Pine Flats, headwaters of Tujunga 1677 Comment
  POM6042  Anthemis cotula J. F. Illingworth 1898-05 57 Los Angeles Claremont. 366 Comment
  SBBG119295  Anthriscus caucalis V. Soza, K. Hughes 1999-6-17 531 Los Angeles Chantry Flat, off rd 2N41, W of water tank 701 Comment
  RSA656189  Anthriscus caucalis Joseph M. Keefe 1978-4-28 22835 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
  RSA603328  Antirrhinum coulterianum Scott D. White 1997-5-21 5214 Los Angeles San Gabriel River Canyon: N of Azusa; roadside along Highway 39 above San Gabriel Reservoir. 476 Comment
  RSA678398  Antirrhinum kelloggii Valerie L. Soza, Steve D. Boyd 2002-4-10 1386 Los Angeles Ridge above east fork of Haskell Canyon, ridge just west of Del Sur Ridge. Approx. 1.8 miles NW along Coarse Gold Canyon fire road from Bouquet Canyon. Stables Fire 2001 area. 640 Comment
  UC1922301  Antirrhinum kelloggii Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 694 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 18'' N 118deg 17' 17.4'' W T2N R Comment
  UCR280395  Antirrhinum kelloggii Jeremiah George, Eric Kline 2017-4-17 417- 05 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  RSA152112  Antirrhinum kelloggii Wesley O. Griesel 1962-3-31 s.n. Los Angeles Corell Post Office, Santa Monica Mts. 152 Comment
  UCR56174  Antirrhinum multiflorum J. A. Adams 1966-5-24 808 Los Angeles San Gabriel Mtns., San Antonio Canyon, 6 mi above Claremont 915 Comment
  POM354879  Antirrhinum nuttallianum subsp. subsessile M. B. Dunkle 1929-4-7 2093 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA536044  Antirrhinum nuttallianum subsp. subsessile Tim S. Ross 1991-5-21 5418 Los Angeles San Clemente Island: Ridgetop at the 'armpit' jct of the upper two forks of Box Canyon. 470 Comment
  CATA2941  Aphanisma blitoides Sarah Ratay 2010-4-30 119 Los Angeles Santa Catalina Island: Just S of Little Harbor Overlook 32 Comment
  RSA0105689  Aphanisma blitoides Sarah Ratay 2010-4-30 119 Los Angeles Santa Catalina Island. Just S of Little Harbor Overlook. 32 Comment
  SD115060  Aphyllon californicum subsp. feudgei W. P. Armstrong 1983-8-1 1157 Los Angeles San Gabriel Mountains; Blue Ridge Road near turnoff to Guffy Campground. 2377 Comment
  RSA0080790  Apiastrum angustifolium R. G. Swinney 2010-5-7 12575 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  CDA5332  Apium graveolens T. C. Fuller 1961-5-11 7264 Los Angeles Northeast of Lemon Avenue & Vejar Road, Walnut. 0 Comment
  RSA660270  Apocynum cannabinum Orlando Mistretta, Peter L. Morrell 1992-6-4 500 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA733577  Aquilegia formosa R. G. Swinney 1998-7-29 6549 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground. 1817 Comment
  UCR210158  Aquilegia formosa R. G. Swinney 2008-8-13 9359 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR205098  Arabis glabra R. G. Swinney 2008-4-11 8660 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  LA200295  Arabis glabra var. glabra Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA599253  Arabis pulchra Steve Boyd, Lauren Raz 1997-3-31 9428 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UC565466  Arabis pulchra H. L. Mason 1926-4-26 2978 Los Angeles Summit of Mint Canyon San Gabriel Mountains Comment
  RSA585694  Arabis pulchra var. pulchra Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3009 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  UCR150836  Arabis sparsiflora R. G. Swinney, Dave Larson 1999-5-15 7174 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  POM367172  Arbutus menziesii G. R. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson trail. 762 Comment
  RSA755848  Arceuthobium californicum R. G. Swinney 2008-7-2 9114 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
  UCR182760  Arceuthobium campylopodum R. G. Swinney 1997-8-6 5758 Los Angeles San Gabriel Mtns, Table Mountain area, Jesus Canyon west of road 4N47, NW of Wrightwood 1927 Comment
  RSA626822  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-6-30 15866 Los Angeles Highway 39, 1 km northwest of Crystal Lake Recreation. 1700 Comment
  SD253438  Arctostaphylos glandulosa R. G. Swinney 2011-10-13 15796 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Highway 2. 1622 Comment
  RSA626693  Arctostaphylos glandulosa subsp. cushingiana Allen Massihi, Jon E. Keeley 1992-6-23 15716 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  POM367279  Arctostaphylos glandulosa subsp. mollis Anstruther Davidson 1892-5-29 1770 Los Angeles Wilson's Peak Comment
  RSA631217  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21977 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  SBBG54045  Arctostaphylos glauca K. R. Montgomery, T. W. Strid 1973-3-22 73 -3 Los Angeles Dillon Divide, site of LASCA Cistus field plot Comment
  JEPS19910  Arctostaphylos parryana Frank W. Peirson 1919-5-10 429 Los Angeles Mt. Gleason 1737 Comment
Read comments
Aug 21 2014
  RSA634340  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22085 Los Angeles Entrance to Crystal Lake Recreation Area, San Gabriel Mountains. 1720 Comment
  RSA634772  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20357 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA634843  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20510 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634868  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20267 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635118  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20356 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635134  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20594 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA635185  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20591 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  UCR203111  Arctostaphylos patula R. G. Swinney 2001-8-27 8105 Los Angeles San Gabriel Mountains, Mt. Burnham, west of Mt. Baden-Powell 2743 Comment
  UCR223577  Arctostaphylos patula R. G. Swinney 2009-6-3 11037 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
  RSA199838  Arctotis stoechadifolia S. Carlquist 1965-10-3 1816 Los Angeles Los Angeles State and County Arboretum, Arcadia Comment
  UCR191681  Arenaria douglasii T. B. Salvato 2008-4-22 3318 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
  CAS-BOT-BC384747  Arenaria serpyllifolia var. serpyllifolia Frank W. Peirson 1924-5-27 4622 Los Angeles San Gabriel Mts. Colby's Ranch 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
  CAS-BOT-BC401798  Argemone munita subsp. rotundata John Thomas Howell 1947-7-18 23416 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  SFV12660  Artemisia biennis M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-27 899 Los Angeles Santa Monica Mountains Tapia Park. Along Malibu Creek. 145 Comment
  IRVC24024  Artemisia douglasiana Fred M. Roberts, Gordon A. Marsh 1985-10-16 2489 Los Angeles Long Beach: Los Angeles River Channel between Willow St. and Pacific Coast Hwy, 3-4.5km from ocean, along margin of channeled river course in early successional riparian habitat, sandy soil. southern coastal 5 Comment
  LA94392  Artemisia douglasiana O. H. Kappler; 1942-11-1 Los Angeles Santa Monica Mountains, West fork Las Trancas Canyon 365 Comment
  RSA754353  Artemisia douglasiana Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1770 Los Angeles San Gabriel River Watershed. 394 Comment
  CAS-BOT-BC93826  Artemisia dracunculus Timothy S. Ross; Steve Boyd 1994-9-20 8249 Los Angeles Liebre Mountains - Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet 993 Comment
  CAS-BOT-BC93700  Artemisia ludoviciana subsp. incompta C. B. Wolf 1931-10-23 2492 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  UC449638  Artemisia tridentata C. F. Saunders 1920-12-1 Los Angeles San Fernando Valley Comment
  CAS-BOT-BC97293  Artemisia tridentata subsp. parishii Philip A. Munz 1923-11-11 7802 Los Angeles Newhall Comment
  CAS-BOT-BC97294  Artemisia tridentata subsp. parishii L. R. Abrams 1916-10-31 6363 Los Angeles Type locality: Newhall, Fremont's Pass, near Newhall Comment
  CLARK-A1528-1595  Artemisia tridentata subsp. parishii John C. Roos 1949-11-24 4699 Los Angeles Lancaster Comment
  RSA596007  Artemisia tridentata subsp. parishii Timothy S. Ross, J. Mark Porter 1995-5-4 8434 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SBBG62478  Artemisia tridentata subsp. parishii L. R. Abrams 1916-10-31 6363 Los Angeles Fremont's Pass, near Newhall Comment
  RSA417397  Artemisia tridentata subsp. tridentata L. C. Wheeler 1933-10-22 2189 Los Angeles Pine Flat, N Fork San Gabriel River, San Gabriel Mts. 1676 Comment
  RSA17060  Asclepias californica C. B. Wolf 1936-5-27 7858 Los Angeles Aliso Canyon to Buckhorn Flats Road, 3.6 mi. above Tie Camp Summit (1st summit) 1889 Comment
  SEINET10454946  Asclepias eriocarpa Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-7-20 Dziekanowski 2415 Los Angeles Laverne, on Brydon Rd. Near live-oak roadside and chapparal Comment
  POM48128  Asclepias erosa Katherine Brandegee s.n. Los Angeles Santa Catalina Island. Comment
  SEINET10637221  Asclepias michauxii Austin Griffiths Jr. 1961-12-21 Griffiths 4445 Los Angeles Comment
  SEINET10359300 Image available Asparagus densiflorus Unknown 2015-1 501 Los Angeles Santa Monica, CALIFORNIA. Los Angeles Co.: Santa Monica, behind Loews Santa Monica Beach Hotel, along Ocean Ave. Comment
  SEINET3884854  Asphodelus fistulosus Tim Ross, Elizabeth Kellogg 1992-4-13 6137 Los Angeles San Clemente Island: North head of the island.; 0 43 Comment
  LA94124  Aspidotis californica Lawrence L. Kiefer; 1966-3-26 1776 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  POM281095  Aspidotis californica Lyman Benson 1945-1-20 11590 Los Angeles Upper end of upper reservoir, San Gabriel River Canyon. San Gabriel Mountains, Pacific Slope drainage. 427 Comment
  RSA247423  Aspidotis californica Jack Delaini, Larry E. DeBuhr 1974-2-21 34 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. On moist, shaded N-facing slope of a high knoll. 487 Comment
  UCR159162  Astragalus A. C. Sanders, E. J. Lott 1993-5-6 13961 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  RSA680195  Astragalus bicristatus Valerie L. Soza, Naomi Fraga 2003-6-13 1670 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  UC57474  Astragalus brauntonii J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  SEINET5323335  Astragalus brauntonii E. Braunton 1907-1 Los Angeles Comment
  UC1293710  Astragalus douglasii var. douglasii P. C. Everett and E. K. Balls 1959-5-22 23802 Los Angeles ca 1.5 mi se Fairmount (Antelope Valley, San Andreas Rift); San Andreas Rift, Antelope Valley, se of Fairmount 822 Comment
  SBBG68293  Astragalus gambelianus M. N. Ackley 1926-5-8 559 Los Angeles Little Rock 914 Comment
  SD121758  Astragalus gilmanii Ralph Hoffman 1931-6-21 Los Angeles Mount Baldy, rocky slope Comment
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Jan 5 2012
  POM50163  Astragalus lentiginosus var. antonius H. M. Hall 1900-6-3 1485 Los Angeles Swarthout Canyon; San Antonio Mountains Comment
  RSA599813  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-3-26 9387 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08. 1311 Comment
  SBBG68238  Astragalus purshii var. tinctus R. Hoffmann 1929-5-19 Los Angeles Los Angeles Recreation Park 1828 Comment
  SBBG18449  Astragalus trichopodus var. lonchus E. R. Blakley 1961-9-24 4783 Los Angeles Little Springs Cyn 15 Comment
  LA33465  Astragalus trichopodus var. phoxus Peter H. Raven; Henry J. Thompson 1959-5-5 14158 Los Angeles Santa Monica Mountains, Malibu Canyon, 3 mi S of Tapia Park 91 Comment
  SFV1784  Astragalus trichopodus var. phoxus Cheechako 1961-3-26 s. n. Los Angeles San Gabriel Mountains Roadside of Sierra Highway in Soledad - Mint Canyons junction. Comment
  UCD105469  Astragalus trichopodus var. phoxus F. E. Todd 1935-6-15 s.n. Los Angeles Elizabeth Canyon. Comment
  UCR253905  Astragalus trichopodus var. phoxus Mitch Provance 2009-6-24 0609- 3 Los Angeles Western Transverse Range, about 5 miles SE of Pyramid Lake , c. 0.5 mi. SE of Whitaker Summit on Golden State Highway, adjacent to I-5 820 Comment
  CAS-BOT-BC17506  Athysanus pusillus C. F. Baker 1904-4-1 4124 Los Angeles Claremont. Comment
  RSA598861  Athysanus pusillus Steve Boyd, Timothy S. Ross 1997-3-21 9237 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
  UCR247553  Atriplex amnicola R. E. Riefner Jr. 2013-1-5 13- 9 Los Angeles South Coast, Dockweiler State Beach, vicinity of Vista Del Mar Blvd at Imperial Hwy 14 Comment
  RSA411869  Atriplex argentea subsp. expansa H. L. Bauer 1931-7-12 s.n. Los Angeles Playa Del Rey Comment
  SBBG105378  Atriplex argentea var. expansa H. L. Ferguson 1981-8-11 260 Los Angeles main rd, S of old airfield 259 Comment
  RSA572375  Atriplex californica F. H. Elmore 1939-11-24 s.n. Los Angeles Northwest Harbor, San Clemente Island. Comment
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Feb 25 2014
  RSA190908  Atriplex californica R. F. Thorne 1967-5-19 36898 Los Angeles Indian Head Point, Santa Catalina Island. 91 Comment
  UCR223111  Atriplex canescens R. G. Swinney 2009-5-13 10798 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  SBBG65416  Atriplex canescens var. canescens Anstruther Davidson 1893-1 Los Angeles Lancaster Comment
  UC1787285  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25491 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley. 299 Comment
  SD237406  Atriplex lentiformis A. C. Sanders, Dan S. Cooper 2010-4-30 38123 Los Angeles South Coast: Madrona Marsh, Torrance. Former oil field with gravel service road remnants. 24 Comment
  SBBG13623  Atriplex lentiformis subsp. breweri P. H. Raven 1962-5-7 17580 Los Angeles just above coast 1 mi S of Wilson Cove 6 Comment
  CHSC98224  Atriplex lentiformis subsp. lentiformis R. E. Riefner Jr. 2006-7-29 06 -328 Los Angeles Torrance, Victoria Park, Dominguez Channel, vicinity of Del Amo Blvd. and Carson Plaza Dr. UTM; 11S 0382502E 3746087N 8 Comment
  SBBG12207  Atriplex leucophylla P. H. Raven 1962-7-12 18032 Los Angeles Northwest Harbor 9 Comment
  SD66911  Atriplex leucophylla R. Mitchel Beauchamp 1967-3-19 326 Los Angeles Sandy area at West Cove, San Clemente Island. Comment
  RSA3030  Atriplex nummularia C. B. Wolf 1931-12-30 2638 Los Angeles Playa del Rey 30 Comment
  RSA0110615  Atriplex pacifica Steven A. Junak 1999-4-23 SCa- 855 Los Angeles Santa Catalina Island. S side of island, saddle on ridgetop, below Triangulation Point granite. 341 Comment
  CAS-BOT-BC176356  Atriplex parryi Roxana S. Ferris 1918-6-12 900 Los Angeles In desert road between Oban and Lancaster Comment
  SEINET269133  Atriplex parryi A. C. Sanders, E. J. Lott 1993-5-6 13974 Los Angeles SW edge of Rosamond Dry Lake near E end of Ave. C just W of Piute Ponds and E of Sierra Hwy. at edge of Edwards AFB. 701 Comment
  CAS-BOT-BC176586  Atriplex serenana var. davidsonii Le Roy Abrams 1901-6-16 1719 Los Angeles Mesmer Comment
  LA31605  Atriplex serenana var. serenana Peter H. Raven; Henry J. Thompson, Henry J. Thompson 1959-10-14 14619 Los Angeles Santa Monica Mountains, Malibu Junction 266 Comment
  RSA0115134  Atriplex suberecta Steven A. Junak 2000-10-12 SCa- 1407 Los Angeles Santa Catalina Island. Skull Canyon, 0.4 mi. from MIddle Canyon Road, just outside gate at storage yard. 204 Comment
  RSA478349  Atriplex subspicata M. B. Dunkle 1931-4-20 2440 -a Los Angeles Salta Verde, Santa Catalina Island. Comment
  UCR184213  Avena fatua A. C. Sanders 2007-4-19 33452 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA187949  Avena sativa R. F. Thorne 1966-4-29 36274 Los Angeles Santa Catalina Island: above ranch in Middle Ranch Canyon 229 Comment
  UCR23357  Azolla filiculoides John C. Roos 1942-3-7 1009 Los Angeles San Gabriel Mtns., Big Tujunga Canyon 457 Comment
  UC63383  Baccharis glutinosa Ernest Braunton 1902-7-1 602 Los Angeles Los Angeles River Comment
  LA94398  Baccharis salicifolia Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA657209  Baccharis salicifolia Joseph M. Keefe 2001-1-19 30995 a Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 Comment
  RSA777919  Baccharis salicifolia R. G. Swinney 2009-5-6 10670 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  SFV16700  Baccharis salicifolia P. Wilson, J. M. Albert 1996-6-12 3449 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 44.03, near Short Cut. 1524 Comment
  UCR108461  Baccharis salicifolia Erin Hewgley, J. Gural 1997-4-27 13 Los Angeles San Gabriel Mtns., Claremont, Bernard Field Station of the Claremont Colleges, NW corner of Mills Avenue and Foothill Blvd. 412 Comment
  POM350737  Balsamorhiza deltoidea Anstruther Davidson 1895-5-4 2031 Los Angeles Gorman Station Comment
  UCR184350  Balsamorhiza deltoidea A. C. Sanders 2007-4-19 33461 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA703252  Batis maritima R. E. Riefner Jr. 2004-4-20 4 -138 Los Angeles City of Long Beach, Middle Harbor area of San Gabriel River, West of Westminster Ave. 12 Comment
  CAS-BOT-BC400047  Berberis Joseph Andorfer Ewan 1932-7-4 7590 Los Angeles Millards [Millard] Canyon, San Gabriel Mts. 1158 Comment
  UC118112  Berberis nevinii Dr. J. C. Nevin Los Angeles Comment
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Dec 3 2011
  IRVC28713  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25258 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  SBBG112958  Beta macrocarpa S. A. Junak with M. L. Hoefs 1998-6-12 SCa 731 Los Angeles ca. 2 mi from Two Harbors, Banning House Rd 228 Comment
  SD52883  Beta vulgaris subsp. maritima Peter H. Raven 1962-5-7 17581 Los Angeles San Clemente Island; just above coast 1.0 mile south of Wilson Cove. 6 Comment
  CAS-BOT-BC101990  Bidens pilosa LeRoy Abrams 1902-5-31 2484 Los Angeles Inglewood Comment
  UC134529  Bidens pilosa C. F. Baker 1903-10-1 3729 Los Angeles Claremont Comment
  CAS-BOT-BC101987  Bidens pilosa P. A. Munz 1918-5-19 2260 Los Angeles Claremont Comment
  CAS-BOT-BC101991  Bidens pilosa Le Roy Abrams 1901-6-20 1859 Los Angeles Inglewood Comment
  CAS-BOT-BC101997  Bidens pilosa Alice Eastwood 1906-5-27 81 Los Angeles Streets of Los Angeles Comment
  POM266305  Bidens pilosa J. C. Roos 1942-9-12 1721 Los Angeles parkways, Santa Monica Comment
  UC1929857  Bloomeria crocea Michael Honer, Dylan Hannon 2003-7-1 1839 Los Angeles LIEBRE MTS: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway jtn. with Ridge Rt. Rd. Comment
  CAS-BOT-BC482057  Bloomeria crocea var. crocea Cecil Hart 1930-5-20 s.n. Los Angeles Montebello Comment
  UC1595393  Boechera californica Tim Ross and Peter Fritsch 1990-6-20 3680 Los Angeles ridgetop between West Fork of San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  RSA0094387  Boechera sparsiflora Richard G. Swinney 2011-5-31 14917 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
  UC586876  Boykinia rotundifolia Joseph Andorfer Ewan 1934-8-2 8478 Los Angeles San Antonio Canyon San Gabriel Mts., San Antonio Canyon (at foot of Baldy Trail) 1371 Comment
  UCR271206  Boykinia rotundifolia R. G. Swinney 2011-11-1 15970 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  RSA714519  Brachypodium distachyon A. C. Sanders, Lee Jones 2005-4-8 29344 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  SEINET10973537  Brassica campestris David B. Dunn 1937-3-14 Dunn UMO 40311 Los Angeles Palos verdes. Comment
  UCR51501  Brassica geniculata A. C. Sanders 1987-12-4 7576 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  UCR258723  Brassica nigra R. G. Swinney 2010-2-27 11778 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
  UCR271895  Brassica nigra R. G. Swinney 2010-5-7 12595 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  SEINET6036304  Brassica nigra Unknown 1929-4-10 Los Angeles Long Beach. Comment
  LA210056  Brassica rapa John O'Leary; 1957-3-7 m 194 Los Angeles Hilgard Ave. and Le Conte Ave. near UCLA 182 Comment
  OBI30164  Brassica rapa A. H. Teramura 1970-3-19 E 25 Los Angeles In a cyn 300 yds NW of San Dimas Ave, 0.25 mi from Gate 6 of Puddingstone Park 366 Comment
  RSA609011  Brickellia californica L. C. Wheeler 1930-11 s.n. Los Angeles Clark's Grove, [Vicinity of Claremont]. Comment
  UC619742  Bromus arizonicus W. R. Dudley and F. H. Lamb 1896-6-8 4400 Los Angeles Liebre Mountains Comment
  RSA645572  Bromus berteroanus A. C. Sanders, E. J. Lott 1993-5-6 13951 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Highway at Ave G'' to 1/10 mi. NW of intersection., (34 deg 45'N, 118 deg 09'W; [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 706 Comment
  RSA679049  Bromus berteroanus Valerie L. Soza, LeRoy Gross 2002-5-8 1455 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  UCR150464  Bromus carinatus R. G. Swinney 1999-6-21 7394 Los Angeles San Gabriel Mtns., Boulder Canyon, upper end near Hwy 2 1854 Comment
  UCR193140  Bromus carinatus R. G. Swinney 1998-7-14 6451 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  UCR273448  Bromus carinatus R. G. Swinney 2011-5-19 14760 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  UCR64176  Bromus carinatus A. C. Sanders 1988-2-18 7692 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  UCR65256  Bromus carinatus F. R. Fosberg 1931-4-14 S- 04608 Los Angeles Channel Islands, Santa Catalina Island, Eagles Nest, Middle Ranch Canyon 180 Comment
  RSA0095250  Bromus carinatus var. carinatus R. G. Swinney 2011-6-20 15226 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  RSA699882  Bromus carinatus var. carinatus LeRoy Gross, Ted Anderson 2004-5-3 1214 Los Angeles Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1458 Comment
  RSA430467  Bromus catharticus A. C. Sanders 1987-9-18 7352 Los Angeles El Segundo Dunes, W of L.A. International Airport and Pershing Drive., (Near 33 deg 56'N, 118 deg 26'W.) 38 Comment
  RSA544571  Bromus catharticus Timothy S. Ross, E. Kellogg 1992-4-13 6136 Los Angeles San Clemente Island: Wilson Cove settlement. 46 Comment
  POM1260  Bromus grandis Le Roy Abrams 1902-6-29 1653 Los Angeles Summit of Mt. Wilson. Comment
  RSA229206  Bromus grandis R. F. Thorne, C. W. Tilforth 1971-6-30 40832 Los Angeles San Gabriel Mountains, Angeles National Forest: 3.3 miles below Alder Saddle along & above S Fork of Little Rock Creek 1433 Comment
  RSA584625  Bromus grandis Timothy S. Ross, Steve Boyd 1991-4-25 4596 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora). 536 Comment
  POM257623  Bromus hordeaceus L. C. Wheeler 1934-4-6 2509 Los Angeles San Dimas Canyon, San Gabriel Mountains. 442 Comment
  RSA0106845  Bromus hordeaceus R. G. Swinney 2011-5-10 14632 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  RSA650443  Bromus hordeaceus David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  RSA574282  Bromus hordeaceus subsp. molliformis T. S. R., Janet Takara, M. Gay 1993-4-20 6830 Los Angeles Santa Catalina Island: Indian Head Rock, SSW of, and overlooking Little Harbor. Santa Catalina North USGS quad. 79 Comment
  RSA127909  Bromus madritensis P. H. Raven, H. J. Thompson 1959-5-5 14107 Los Angeles Mullholand Highway 1 mile W of Las Virgenes Road; Malibu Creek drainage. 274 Comment
  UC934028  Bromus racemosus H. L. Cogswell 1951-5-8 89 Los Angeles 2/3 mi n of San Dimas Foothill County Park (base of San Gabriel Mountains); San Gabriel Mountains 454 Comment
  RSA595652  Bromus rubens Timothy S. Ross, Victor W. Steinmann 1995-5-8 8556 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCD59591  Bromus rubens J. O. McMullin 1914-9-1 s.n. Los Angeles Casa Desierto. Comment
  UCR280557  Bromus rubens R. G. Swinney 2014-4-17 16072 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  RSA682448  Bromus sterilis LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 957 Los Angeles 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 Mortorway) Basically a triangle. 564 Comment
  RSA0117862  Bromus tectorum Robert L. Benson 1960-5-26 52 Los Angeles 1/2 mile above fire station, San Antonio Canyon. Mt. Range: San Gabriel. 609 Comment
  LA35971  Bromus tectorum Peter H. Raven; Henry J. Thompson 1960-5-29 15427 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, 3.7 mi N of Pacific Coast Hwy. 121 Comment
  SEINET3840848  Bromus tectorum Unknown 1968-4-17 Los Angeles San Gabriel Mountains 1150 Comment
  UC185564  Bromus trinii T. S. Brandegee 1890-5-12 Los Angeles Santa Catalina Island Comment
  CATA3302  Cakile maritima Amy Catalano, Jen Dreizehn 2017-3-16 019 Los Angeles Santa Catalina Island: Rippers Cove 4 Comment
  RSA713150  Cakile maritima A. C. Sanders, Lee Jones 2005-4-8 29369 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  RSA603897  Calandrinia ciliata L. C. Wheeler 1975-5-14 s.n. Los Angeles San Gabriel Mountains: Head of East Fork Little Tujunga. Comment
  RSA466582  Calandrinia maritima Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG130716  Calandrinia menziesii S. A. Junak 2000-4-1 SCa 1161 Los Angeles Cherry Cyn, above main rd 79 Comment
  SBBG131563  Calandrinia menziesii S. A. Junak 2000-4-15 SCa 1204 Los Angeles W side of rd to Lone Tree, ca. 0.1 mi from junction with Divide Rd 478 Comment
  JEPS17844  Calochortus albus I. W. Clokey and E. G. Anderson 1935-5-9 6544 Los Angeles San Dimas Canyon Comment
  CAS-BOT-BC492126  Calochortus albus Robert F. Thorne; A. C. Gibson 1971-5-22 39764 Los Angeles Fish Canyon; San Gabriel Mts., Angeles National Forest 396 Comment
  LA22304  Calochortus albus Flora Murray Scott; May 1926 sn Los Angeles Santa Monica Mountains, Malibu Ranch Comment
  LA200919  Calochortus catalinae John O'Leary; R. Brumbaugh 1973-4-5 73 Los Angeles Comment
  RSA377286  Calochortus catalinae M. B. Dunkle 1932-6-2 2165 Los Angeles Santa Catalina Island. White's landing Comment
  RSA562419  Calochortus catalinae D. E. Bramlet 1993-4-15 2313 Los Angeles Puente Hills, NE of Pomona peak. W of intersection Pomona Freeway and Chino Hills Parkway 381 Comment
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Dec 26 2010
  UCR12183  Calochortus catalinae Art Whistler 1966-5-1 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Dr. from Seminole Hot Springs to Bacchus Dr. intersection, then to Decker Rd. 6 mi south of Bacchus Rd Comment
  UCR65200  Calochortus catalinae F. R. Fosberg 1931-4-2 S- 04456 Los Angeles Channel Islands, Santa Catalina Island, divide between Hamilton and Descanso Canyons 250 Comment
  RSA757997  Calochortus clavatus var. gracilis D. E. Bramlet, Jennifer S. Pareti 2008-5-6 4251 Los Angeles Bouquet Cyn, 854 m SE of Bouquet Cyn Rd & 579 m S of Hayfork Road. Comment
  RSA330766  Calochortus invenustus Wayne E. Sawyer 1981-6-25 60 Los Angeles Angeles National Forest: Junction of crest trail and trail to Crystal Lake area 0.15 mi. S of Little Jimmy Spring. 2302 Comment
  UCR43358  Calochortus invenustus David Charlton 1986-6-15 233 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
  UCR205614  Calyptridium monandrum R. G. Swinney 2008-5-12 8825 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA0098173  Calyptridium monospermum R. G. Swinney 2011-8-5 15604 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  LA35973  Calystegia macrostegia subsp. cyclostegia Peter H. Raven; 1959-5-5 14057 Los Angeles Santa Monica Mountains, Mulholland Drive near Beverly Glen Blvd 137 Comment
  LA105389  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 8523 Los Angeles between Falls Creek and Devil Canyon: ca 1 air mi NE of junction of Simi Valley Frwy and Topanga Canyon blvd 502 Comment
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Nov 11 2014
  UC879425  Calystegia macrostegia subsp. intermedia J. Q. A. Fritchey 1889-3-30 Los Angeles Santa Catalina Island Comment
  RSA0004010  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1929-7-1 8448 Los Angeles Mt. Pacifico. 1905 Comment
  SD186168  Calystegia peirsonii A. C. Sanders, Mark Elvin, et al. 2003-4-14 25967 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain. 351 Comment
  RSA764505  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2591 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA616320  Camissonia Scott D. White, Pam DeVries 1998-4-20 6317 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 579 Comment
  RSA724374  Camissonia K. Dobry 1990-3-25 d- 390 Los Angeles Simi Hills at Dayton Canyon. Comment
  RSA465654  Camissonia bistorta N. C. Cooper 1949-4-19 3616 Los Angeles Newhall. 457 Comment
  RSA465693  Camissonia bistorta Grace Shaffer s.n. Los Angeles Sierra Madre, Mountain Trail St. Comment
  UCR206451  Camissonia campestris R. G. Swinney 2008-6-9 8968 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCD103369  Camissonia campestris Daryl Koutnik; Vickie Dawes 1978-4-6 290 Los Angeles State Highway 18 just E of Valermo turnoff. 944 Comment
  RSA21244  Camissonia campestris subsp. campestris Carl B. Wolf 1937-4-28 8515 Los Angeles Mojave Desert, Antelope Valley, 4.5 miles S of Lancaster. 716 Comment
  RSA680171  Camissonia campestris subsp. campestris Scott D. White 2003-6-8 s.n. Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  SBBG16004  Camissonia campestris subsp. campestris W. G. Webb 1935-4-19 Los Angeles near Castaic Comment
  UC874012  Camissonia campestris subsp. campestris I. W. Clokey and B. C. Templeton 1930-4-8 4653 Los Angeles w Lanchaster 400 Comment
  UCR187023  Camissonia graciliflora A. C. Sanders 2006-4-25 32158 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
  RSA448986  Camissonia hirtella Anstruther Davidson 1904-6-1 1083 Los Angeles Wilsons Peak, L.A. Comment
  UCR209292  Camissonia hirtella Dan S. Cooper 2009-3-6 309- 04 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, adjacent to Mt. Lee, Griffith Park 512 Comment
  UCR247274  Camissonia hirtella Dan S. Cooper 2013-8-8 813- 41 Los Angeles Griffith Park, edge of Los Angeles Zoo near Zoo Dr. and Crystal Springs Dr. 143 Comment
  POM9305  Camissonia intermedia P. A. Munz, R. D. Harwood 1920-5-17 3968 Los Angeles Topango [Topanga] Canon. Santa Monica Mts. 122 Comment
  RSA611293  Camissonia palmeri Steve Boyd 1998-4-1 10127 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
  UC1595354  Camissoniopsis bistorta Tim Ross 1992-5-17 6351 Los Angeles 164 deg sse and ca 555 m distant from mouth of Shoemaker Canyon; San Gabriel Mountains, E Fork of the San Gabriel River 646 Comment
  CAS-BOT-BC160248  Camissoniopsis cheiranthifolia subsp. cheiranthifolia E. R. Blakley 1962-6-10 5255 Los Angeles Near Wall #2, San Clemente Island 9 Comment
  CAS-BOT-BC160250  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1962-5-8 17627 Los Angeles On western side of island opposite Wilson Cove, San Clemente Island 30 Comment
  CAS-BOT-BC160251  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter L. Morrell; O. Mistretta; L. Arnseth 1992-4-4 122 Los Angeles On WNW-facing slope, approx. 2 km SSW of Wilson Cove on W side of island. San Clemente Island 20 Comment
  CDA38023  Camissoniopsis ignota T. C. Fuller 1962-4-1 8164 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  UC634893  Canbya candida Herbert L. Mason 1926-4-26 3020 Los Angeles Little Rock Creek Mojave Desert Comment
  UCR210548  Capsella bursa-pastoris R. G. Swinney 2008-12-6 9972 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  LA200309  Cardamine californica Carl Epling; 1934-12-12 2967 Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  RSA162707  Cardamine californica var. californica J. Olmstead 1960-2-24 1106 Los Angeles Wolfskill Canyon at junction with San Dimas Canyon 518 Comment
  RSA222896  Cardamine californica var. californica Gerald L. Benny, Colin M. Wainwright 1971-5-24 503 Los Angeles Day Canyon, San Bernardino National Forest. 1280 Comment
  SD232637  Cardaria pubescens A. C. Sanders, E. J. Lott 1993-5-6 13969 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F. 701 Comment
  CDA6818  Carduus nutans George Garrettson 1954-6-1 Los Angeles San Vicente Ranch, Walnut. 0 Comment
  UC830162  Carex I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4612 Los Angeles s end Boquet Canyon 450 Comment
  CAS-BOT-BC17681  Carex alma Timothy S. Ross; J. Mark Porter 1995-5-4 8487 Los Angeles Liebre Mountains. Texas Canyon: ca. 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  JEPS97724  Carex alma Annetta M. Carter, Arthur Carter 1935-9-12 977 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1645 Comment
  UCR242850  Carex alma R. G. Swinney 2009-8-8 11505 Los Angeles Transverse Range; San Gabriel Mtns., 0.2-1 mi. north of summit of Pacifico Mtn., SE fork of Santiago Canyon 2055 Comment
  RSA88765  Carex douglasii Joseph A. Ewan 1936-7-29 9862 Los Angeles Table Mt. 2134 Comment
  RSA364543  Carex fracta F. R. Fosberg, Joseph A. Ewan 1931-8-13 55548 Los Angeles Big Cienega, Pine Flats, N fork, San Gabriel River Comment
  RSA732919  Carex fracta R. G. Swinney 1999-8-16 7659 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope, 2445 Comment
  SEINET7559359 Image available Carex fracta Louis C. Wheeler 1967-8-2 10299 Los Angeles San Gabriel Mountains, Sheep Camp Spring, W slope Mt Pacifico. 1951 Comment
  CAS-BOT-BC31778  Carex mesochorea Frank W. Peirson 1929-5-10 a.n. Los Angeles Introduced in a lawn in Pasadena Comment
  SEINET3128314  Carex multicaulis Unknown 1904-5-17 138 /6223 Los Angeles Mt. Wilson Comment
  RSA0114940  Carex senta R. G. Swinney 2011-6-15 15191 Los Angeles San Gabriel Mountains; Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  CAS-BOT-BC115914  Carex subfusca P. M. Kamb 1947-6-13 602 Los Angeles Summit of Mt. San Antonio, San Gabriel Mts. 3048 Comment
  RSA402586  Carpobrotus chilensis Jack Rempel 1932-3-20 s.n. Los Angeles El Segundo. Comment
  UCD96832  Carpobrotus chilensis Daryl Koutnik 1978-4-28 420 Los Angeles Point Dume near Zuma Beach. 45 Comment
  RSA177855  Castilleja affinis Robert F. Thorne, Percy C. Everett 1965-5-11 34659 Los Angeles Santa Catalina Island, along road from Rancho Escondido to Little Harbor. 122 Comment
  SBBG66843  Castilleja affinis R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  RSA167082  Castilleja affinis E. R. Blakley 1959-4-5 B- 2732 Los Angeles Beach Bluff on west side of Point Dune 15 Comment
  SBBG42275  Castilleja affinis R. Moran 1941-2-25 609 Los Angeles N of Wilson's Harbor 50 Comment
  UC138725  Castilleja affinis subsp. affinis C. F. Baker 1904-5-6 4745 Los Angeles near Pomona Comment
  RSA762240  Castilleja applegatei subsp. martinii Orlando Mistretta, Christine Mistretta 2008-5-19 3126 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 101 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 1146 Comment
  UC1349034  Castilleja exserta Robert F. Thorne and P. Everett 1965-5-12 34610 Los Angeles Bulrush Canyon; Santa Catalina Island 243 Comment
  RSA80235  Castilleja exserta subsp. exserta F. W. Peirson 1917-5-13 1163 Los Angeles Little Rock, north base of San Gabriel Mts. Comment
  IRVC27854  Castilleja foliolosa A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26111 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  UCR126658  Castilleja foliolosa A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26111 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
  RSA428382A  Castilleja grisea H. S. Gentry 1939-2-18 411 Los Angeles San Clemente Island Comment
  SD92024  Castilleja grisea Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22689 Los Angeles San Clemente Island, on cliffs, west fork of Red rock Canyon 274 Comment
  RSA229049  Castilleja miniata subsp. miniata Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38852 Los Angeles San Gabriel Mountains, Angeles National Forest: N-facing slope above Angeles Crest Higway N and below Lily Spring at headwater of S Fork, Big Rock Creek, ca. 2 miles S of Dawson Saddle. 2317 Comment
  RSA250486  Castilleja miniata subsp. miniata Robert F. Thorne, John Dourley 1967-10-10 37354 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  SD51781  Castilleja minor subsp. spiralis Rimo Bacigalupi, G. T. Robbins, L. R. Heckard 1953-6-15 4207 Los Angeles Boggy flat at junction (confuence of) north fork and main fork of Pacoima Creek, 0.7 mile below Diamond Public Camp (on main fork), San Garbiel Mtns. Comment
  SBBG6790  Castilleja subinclusa subsp. subinclusa H. and M. Dearing 1933-4-9 1808 Los Angeles Bouquet Cyn Comment
  SD215668  Castilleja subinclusa subsp. subinclusa Steve Boyd, Timothy S. Ross 1997-3-21 9229 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
  UCR205638  Catalpa speciosa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37006 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR187139  Caucalis microcarpa A. C. Sanders 2006-5-16 32304 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  LA100756  Caulanthus amplexicaulis Henry J. Thompson; 1980-5-23 sn Los Angeles San Gabriel Mountains, Angeles Forest Highway, S of the summit, upper part of Big Tujunga Canyon, S slope of the mountains 1371 Comment
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Nov 25 2014
  SD254565  Caulanthus coulteri Jordan Zylstra 2015-4-10 15004 Los Angeles Western Antelope Valley: Tejon Ranch, NW of Quail Lake (Lebec 7.5'Q) 1102 Comment
  RSA176308  Caulanthus crassicaulis var. glaber Wandalee Thompson 1963-6-24 32792 Los Angeles Pine Canyon, 3.5 miles W of Lake Hughes. 1189 Comment
  SEINET3148269  Caulanthus lasiophyllus G. B. Grant 1288 Los Angeles Garvanza Comment
  UCR143394  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Channel Islands, ridge between Johnson's Valley and Howland's Valley [above Sullivan's Landing], Santa Catalina Island 400 Comment
  RSA0029521  Ceanothus arboreus Bonnie C. Templeton 1934-4-21 s.n. Los Angeles Bird Sanctuary, Griffith Park Comment
  UCR209892  Ceanothus cordulatus R. G. Swinney 2008-7-24 9269 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  LA82215  Ceanothus crassifolius O. H. Kappler; 1941-3-25 147 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, at head of Corral Canyon, N slope. 761 Comment
  UCSB36648  Ceanothus crassifolius Brownell, Kathleen 1980-5-18 Los Angeles On Mt. Baldy Rd., 1 mi. N of Hwy 83; San Gabriel Mountains 914 Comment
  RSA0115701  Ceanothus cuneatus Andrew C. Sanders, Teresa B. Salvato 2007-4-24 33492 Los Angeles Tehachapi Mountains: hills above head of Oso Canyon near Kern Co. line, c.1 mi SW of National Cement Plant. 1128 Comment
  JEPS42304  Ceanothus greggii var. vestitus F. W. Peirson 1919-5-10 415 Los Angeles Mt. Gleason; San Gabriel Mts., Mt. Gleason 1219 Comment
  RSA0021013  Ceanothus integerrimus Duncan S. Bell, Caitlin Elam 2013-7-11 5360 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA659379  Ceanothus leucodermis Marianne Marshall 1981-5-29 22 Los Angeles Ca. Hwy 39, 4.7 mi. N of junction w/ Sierra Madre Ave. N of Azusa. Comment
  RSA754113  Ceanothus leucodermis Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1816 Los Angeles San Gabriel River above Morris Dam 385 Comment
  UCR223601  Ceanothus leucodermis R. G. Swinney 2009-6-8 11085 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
  SEINET10397680 Image available Ceanothus macrocarpus Bonnie C. Templeton 1930-4-2 4407 Los Angeles Mulholland Drive., San Monica Mountains. Comment
  RSA14405  Ceanothus megacarpus Elmer I. Applegate 1927-2-18 4979 Los Angeles Mandeville Canyon Comment
  SBBG31407  Ceanothus megacarpus var. insularis R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-18 Los Angeles Salta Verde, ca. N of Salta Verde Pt 365 Comment
  UC1302265  Ceanothus megacarpus var. insularis Robert F. Thorne and P. C. Everett 1964-2-6 33434 Los Angeles Santa Catalina Island, central part. 457 Comment
  UC1348879  Ceanothus megacarpus var. insularis Robert F. Thorne and Reed C. Rollins, Doug Propst, R. Carolin 1967-3-18 36733 Los Angeles Salta Verde approx. N of Salta Verde Pt.; Santa Catalina Island 365 Comment
  LA45332  Ceanothus oliganthus Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  JEPS42411  Ceanothus oliganthus var. oliganthus Frank W. Peirson 1918-6-30 113 Los Angeles Toll Road Mt. Wilson; , Toll Road 1280 Comment
  RSA399740  Ceanothus oliganthus var. oliganthus Albert J. Perkins 1928-4-8 s.n. Los Angeles Bear Ca - on, Sierra Madre Mts. Comment
  RSA651872  Ceanothus oliganthus var. oliganthus Stephen Hill 1981-2-27 26 Los Angeles Hwy 39, 2.7 mi. N. of Morris Dam. Comment
  RSA126742  Ceanothus spinosus Peter H. Raven, H. J. Thompson 1959-4-3 13918 Los Angeles North slope near summit of Saddle Peak. 838 Comment
  RSA650468  Ceanothus spinosus George Maruko 1948-2-23 s.n. Los Angeles South slope above golf course, Griffeth Park, Los Angeles. 213 Comment
  UC1071386  Ceanothus spinosus J. B. Spring 1931-3-10 24 Los Angeles W of Verdugo Protero Comment
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Dec 4 2011
  CDA1092  Centaurea iberica L. A. Co. Hort. Comm. s.n. Los Angeles Los Angeles County. 0 Comment
  UCR148896  Centaurea maculosa J. Skelton 2002-7-22 PDR 053583 Los Angeles [Lancaster?] Avenue G and 210th Street West 1037 Comment
  RSA631375  Centaurea melitensis Valerie L. Soza, LeRoy Gross 1999-5-10 453 Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  POM12331  Centaurea melitensis F. L. Robinson 1921-6-2 90 Los Angeles Between Claremont and Upland Comment
  OBI68585  Centaurea stoebe subsp. micranthos J. Hartman 2001-5-22 PDR 067680 Los Angeles Tanbark Flats, San Dimas Experimental forest, 3 mi N of Glendora, Angeles Natl forest, Los Angeles. T01N, R09W BM:S Comment
  RSA236382  Centaurium venustum S. F. Blake 1910-7-26 497 Los Angeles Dry bank, near Pasadena Comment
  UC878384  Centaurium venustum Alice Eastwood May 27 1906-Jun 10 1906 34 Los Angeles Garvanza Comment
  CATA264  Centranthus ruber Mark L. Hoefs 1973-5-14 271 Los Angeles Santa Catalina Island: Pebbly Beach Road, by boat dock 6 Comment
  CATA407  Centranthus ruber Sara L. Crockett 1996-10-30 544 Los Angeles Santa Catalina Island: Across road from Yacht Club, on roadcut 6 Comment
  RSA583059  Centranthus ruber Tim S. Ross, Janet Takara, S. Otte 1993-4-25 6975 Los Angeles Santa Catalina Island: E of Avalon along Mount Ada Road, and ca 345 m S of Abalone Point. 122 Comment
  UCR123802  Centrostegia thurberi Steven R. Hill, K. Kramer 2001-4-22 33369 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  JEPS51335  Cerastium glomeratum Frank W. Peirson 1919-5-18 438 Los Angeles Monrovia Canyon San Gabriel Mts., Monrovia Canyon 457 Comment
  RSA151223  Cerastium glomeratum P. H. Raven 1962-4-10 17210 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  CAS-BOT-BC142128  Cercocarpus betuloides Louis C. Wheeler 1931-10-16 257 Los Angeles Foothills San Gabriel Mts. 1 mi. E Palmer Canyon 609 Comment
  POM296509  Cercocarpus betuloides Lyman D. Benson, Robert Benson, Joseph Lanjouw 1953-5-2 15097 Los Angeles Santa Catalina Island. North face of Swain Canyon, Whites Landing. Comment
  RSA306192  Cercocarpus betuloides Fay A. MacFadden 1933-3-27 s.n. Los Angeles La Tuna Canyon, Verdugo Mountains Comment
  RSA552392  Cercocarpus betuloides D. Charlton 1990-4-15 4187 Los Angeles Kentucky Springs, Sierra Hwy, northern edge of the Angeles National Forest 1037 Comment
  SEINET11907897  Cercocarpus betuloides D. P. Reagan 1974-1 11 Los Angeles just E of Sandberg along State Road N-2 Comment
  SD60419  Cercocarpus betuloides var. betuloides Peter H. Raven 1962-5-21 17800 Los Angeles Santa Catalina Island. Bullrush Canyon, about opposite ranch in Middle Canyon. 213 Comment
  POM158334  Cercocarpus betuloides var. blancheae M. B. Dunkle 1928-3-4 1715 Los Angeles Orizaba Canyon, Santa Catalina Island. 244 Comment
  SBBG78165  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-3-18 4282 Los Angeles Hamilton Cyn 10 Comment
  SEINET3146198  Chaenactis artemisiifolia G. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  UCR271847  Chaenactis artemisiifolia R. G. Swinney 2011-5-31 14900 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
  RSA702951  Chaenactis fremontii Scott D. White, Michael Honer 2004-3-30 9961 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  UCR110890  Chaenactis glabriuscula A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21996 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR271969  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-5-31 14905 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
  POM6048  Chaenactis glabriuscula var. glabriuscula I. M. Johnston 1918-5-12 1954 Los Angeles San Antonio Mountains. San Antonio Canyon 915 Comment
  UCR190889  Chaenactis santolinoides R. G. Swinney, Cody Clarke 2001-6-20 7993 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UC1871068  Chaenactis stevioides T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4795 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UCD168369  Chaenactis xantiana J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  POM122562  Chamaesyce albomarginata Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley Comment
  POM178030  Chamaesyce albomarginata Joseph A. Ewan 1931-5-11 4194 Los Angeles 1.n. Van Nuys Estate, W. 6th Street, Los Angeles. Comment
  RSA670936  Chamaesyce maculata Joseph M. Keefe 2001-3-19 31169 Los Angeles San Rafael Mountains. 3 meters north of Glenoaks Boulevard, 100 meters west of end of road, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 470 Comment
  SFV20836  Chamaesyce melanadenia L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 706 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 622 Comment
  RSA607509  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1973-6-15 s.n. Los Angeles Los Angeles: Between San Diego (405) Fwy and Sepulveda Blvd., just E of Alameda St. Comment
  SFV1091  Chenopodium album P. G. Kilburn 1958-5-2 775 Los Angeles San Fernando Valley Northridge. SFVSC campus just east of Zelzah at Prairie Street.. Comment
  RSA732722  Chenopodium album var. album A. C. Sanders 2002-7-20 25220 Los Angeles NE end of Santa Ana 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
  UCR119818  Chenopodium album var. stevensii A. C. Sanders, D. Malueg 1998-6-22 22010 Los Angeles San Gabriel Valley, Pasadena, just north of the I-210 Freeway on E bank of Eaton Wash, north side of Foothill Blvd. where it goes under the 210, under SCE transmission lines 225 Comment
  RSA0082962  Chenopodium berlandieri R. G. Swinney 2010-4-23 12355 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0103920  Chenopodium berlandieri R. G. Swinney 2011-10-10 15742 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
  RSA749118  Chenopodium berlandieri R. G. Swinney 2005-8-5 8387 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UC1595401  Chenopodium berlandieri Tim Ross and Annette H. Ross 1991-7-29 5688 Los Angeles Elephant Hill San Dimas USGS 7.5' quad., Puente Hills, W Pomona (sw side, hill in n-most point of Puente Hills) 316 Comment
  UCR282519  Chenopodium berlandieri Mitch Provance, Tegan Provance 2017-9-30 917- 08 Los Angeles San Gabriel Mountains / Mojave Desert Transition, Pallet Creek, S side of Pallet Creek Rd., 1.3 miles W of Valyermo Rd. 1146 Comment
  CSUSB1001  Chenopodium botrys J. Operskalski 1976-5-5 Los Angeles West Los Angeles, Moraga Drive near refuse site off 405 freeway Comment
  CDA1012  Chenopodium californicum D. G. Kelch 1991-3-17 1323 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  UCR182205  Chenopodium californicum R. G. Swinney 1998-4-14 6005 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA535747  Chenopodium californicum T. S. Ross 1991-5-23 5496 Los Angeles San Clemente Island: lower Tota Canyon, middle of Island, eastern escarpment. 82 Comment
  SBBG119566  Chenopodium californicum L. C. Wheeler 1967-5-31 9798 Los Angeles just over the rise immediately W of Caldwell Lake Comment
  LA200363  Chenopodium multifidum Jonathan Sauer; L. Onesti 1973-11-22 5563 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  RSA187789  Chenopodium murale R. F. Thorne 1966-9-14 36649 Los Angeles Santa Catalina Island: behind Ben Weston Beach 3 Comment
  UCR259136  Chenopodium murale R. G. Swinney 2010-5-4 12531 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
  OBI69300  Chenopodium murale John Knapp, Denise Knapp 2003-5-10 52 Los Angeles Catalina Island; 36737.02N x 3696207.81E 472 Comment
  POM220099  Chenopodium pumilio L. C. Wheeler 1931-7-21 s.n. Los Angeles 2 mi. N Claremont 412 Comment
  UCR95529  Chenopodium rubrum L. C. Wheeler 1946-8-28 6295 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  CDA1887  Chloris gayana Garrettson 1933-10-13 45 Los Angeles L.A. County. 0 Comment
  SDSU11879  Chlorogalum pomeridianum D. F. Howe 1952-9-14 2260 Los Angeles West slope of Lookout Mt. Santa Monica mts. Comment
  UC1584725  Chlorogalum pomeridianum var. pomeridianum Tim Ross and Annette Ross 1991-6-3 5527 Los Angeles northwesterly slope of hill west Pomona, Elephant Hill 286 Comment
  SBBG44382  Chorizanthe brevicornu var. brevicornu G. Sphon, D. Hearn 1950-5-10 25 Los Angeles Black Butte Comment
  RSA392509  Chorizanthe parryi var. fernandina Anstruther Davidson s.n. Los Angeles Hollywood or Toluca. Comment
Read comments
Nov 16 2009
  UCD170166  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-4-24 2527 Los Angeles Santa Clara River Valley: Valencia, Newhall Ranch, entrance to Magic Mountain Theme Park, survey area 62. 366 Comment
  SD38926  Chorizanthe staticoides Edith A. Purer 1931-5-4 2065 b Los Angeles Griffith Park Comment
  UCR127177  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 c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  RSA0031451  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2008-5-3 2628 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
  RSA724456  Chorizanthe staticoides subsp. staticoides K. Dobry 1991-5-22 d- 660 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  SBBG62336  Chorizanthe watsonii R. Hoffmann 1929-5-19 Los Angeles Paradise Camp, Big Rock Crk Comment
  RSA587161  Chorizanthe xanti Orlando Mistretta 1995-4-28 1652 E Los Angeles Kitter Canyon; Slopes W of main canyon. 1280 Comment
  SEINET10854223 Image available Chrysanthemum coronarium Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3793 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  RSA476623  Chrysolepis sempervirens Ora M. Clark 1928-12-8 1369 Los Angeles San Antonio Peak, San Gabriel Mts. Comment
  RSA164849  Chrysothamnus nauseosus subsp. bernardinus Wesley O. Griesel 1962-9-14 737 Los Angeles Near Dawson Saddle, State Hwy #2, San Gabriel Mts. 2378 Comment
  CDA1298  Cirsium occidentale var. californicum T. C. Fuller 1958-3-18 1182 58 A Los Angeles Wash below Padua Hill, L.A. County. (Claremont). Comment
  SD90227  Cirsium occidentale var. occidentale Benjamin C. Stone May 1952 43 Los Angeles Blanchard Park, Claremont. 334 Comment
  RSA94905  Cirsium occidentale var. occidentale F. W. Peirson 1923-4-12 3482 Los Angeles Wilson's Cove, San Clemente Island. Comment
  RSA155838  Cirsium vulgare Peter H. Raven 1962-7-14 18046 Los Angeles Weed in the Botanic Garden, Claremont. 320 Comment
  RSA629710  Cirsium vulgare L. C. Wheeler 1967-7-6 9926 Los Angeles San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  CATA460  Cistanthe maritima Sara L. Crockett, Mark Hoefs, Steve Junak 1997-3-27 603 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly overlooking beach, ca. 25 m upslope 18 Comment
  RSA316338  Cistanthe monandra R. F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54950 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA570166  Cistanthe monandra Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-29 4817 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna 1119 Comment
  RSA570312  Cistanthe monandra Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4976 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA710329  Cistanthe monandra LeRoy Gross 2005-5-3 2197 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA771599  Cistanthe monandra R. G. Swinney 2009-5-13 10760 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  CAS-BOT-BC228707  Cistanthe umbellata Le Roy Abrams; E. A. McGregor 1908-7-3 608 Los Angeles North Baldy Mountain, San Gabriel Mountains 2743 Comment
  RSA649614  Cistus creticus Lori Ackerman, Gerald Braden 1988-5-20 32 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA394286  Citrullus lanatus Robert Gustafson 1981-7-15 2331 Los Angeles Ballona Wetlands, Area 2 Comment
  SD252356  Clarkia Steven A. Junak 1999-5-21 Sca 973 Los Angeles Santa Catalina Island: In upper reaches of Coffee Pot Canyon, near benchmark 1732; N-facing slope. Comment
  POM153236  Clarkia bottae C. L. Hitchcock 1928-4-21 59 Los Angeles Santa Monica Mountains: beside road leading to Ventura Hwy. 500 Comment
  RSA453457  Clarkia bottae Louis C. Wheeler 1931-5-5 s.n. Los Angeles San Dimas Canyon. Comment
  SDSU8635  Clarkia bottae D. F. Howe 1949-5-29 1983 Los Angeles Santa Monica Mts. 274 Comment
  RSA762143  Clarkia bottae Orlando Mistretta, Christine Mistretta 2008-5-15 3061 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1214 Comment
  SBBG60288  Clarkia cylindrica subsp. cylindrica M. N. Ackley 1927-5-29 747 Los Angeles Mulholland Drive 457 Comment
  RSA747747  Clarkia dudleyana Scott D. White, J. Wood, J. Miner 2009-5-12 12705 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  RSA9779  Clarkia dudleyana Louis C. Wheeler 1932-5-8 690 Los Angeles Puddingstone Dam; San Jose Hills 305 Comment
  UC206789  Clarkia epilobioides Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UCR273559  Clarkia purpurea R. G. Swinney 2011-5-10 14637 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA491786  Clarkia purpurea subsp. quadrivulnera James L. Reveal 1988-5-17 6790 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon). Road and 3.3. miles southwest of the junction of Elizabeth Lake Road (County Road N2) in Leona Valley., At the junction of San Franciscito Road at the Angeles National Forest boundary. 1128 Comment
  UC58867  Clarkia purpurea subsp. quadrivulnera H. P. Chandler 1897-5-24 Los Angeles Claremont Comment
  POM214269  Clarkia unguiculata Louis C. Wheeler 1932-5-25 759 Los Angeles Santa Monica Mountains: Sepulveda Canyon. 244 Comment
  POM50072  Clarkia unguiculata L. R. Abrams 1901-6-4 1711 Los Angeles Los Tunas Canyon. Comment
  SD113950  Clarkia unguiculata Darley F. Howe 1947-5-4 1568 Los Angeles Dry Hillside, Mint Canyon. Comment
  RSA757201  Claytonia exigua subsp. exigua Orlando Mistretta, Christine Mistretta 2008-4-7 2358 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 43 per TRTP survey-2008) 1020 Comment
  SD178259  Claytonia parviflora A. C. Sanders, T. B. Salvato 2005-4-26 29712 Los Angeles Western San Gabriel/Liebre Mountains Region: Santa Clarita area, Plum Canyon Road in Mint Canyon, northwest of Forest Park and south of Cruzan Mesa. 594 Comment
  UCD168216  Claytonia parviflora subsp. parviflora J. W. Barry Apr1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  RSA466693  Claytonia parviflora subsp. parviflora Kenneth R. Montgomery, Thomas W. Strid 1973-4-14 73- 18 -C Los Angeles Dillon Divide, San Gabriel Mountains. Site of LASCA Cistus field plot. Comment
  RSA670426  Claytonia perfoliata I. W. Clokey, Bonnie C. Templeton 1929-03 4525 Los Angeles Mandeville Canyon, Santa Monica Mountains. 275 Comment
  UCR150980  Claytonia perfoliata subsp. mexicana L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  RSA582220  Clematis lasiantha Tim S. Ross, S. D. Boyd 1992-7-5 6604 Los Angeles Liebre Mts: Red Mountain: rocky summit area. 1201 Comment
  SBBG54753  Clematis lasiantha H. Firestone 1969-5-22 65 Los Angeles San Antonio Cyn 1066 Comment
  RSA386280  Clematis pauciflora Louis C. Wheeler 1932-5-4 680 Los Angeles San Gabriel Wash 107 Comment
  RSA151320  Cleome isomeris P. H. Raven 1962-7-11 17989 Los Angeles Lower reaches of canyon north of nanny, northeast of Lemon Tank, San Clemente Island Comment
  RSA439944  Cleome lutea A. J. Merrit 1894-05 s.n. Los Angeles Los Angeles, near Downey. Comment
  SBBG32030  Clinopodium douglasii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -214 Los Angeles lower Bullrush Cyn, Salta Verde Comment
  RSA0034869  Collinsia P. A. Munz 1918-4-21 2087 Los Angeles South hills of Pomona. Comment
  RSA707061  Collinsia callosa Bart O'Brien 2005-5-13 s.n. Los Angeles Adjacent to property 21674 Big Pines Highway, some collected on Angeles NF property Comment
  RSA579493  Collinsia childii Tim S. Ross, Steve D. Boyd 1994-5-11 7816 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  RSA350660  Collinsia davidsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  POM68645  Collinsia heterophylla Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  RSA567163  Collomia grandiflora T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3899 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
  UCR213791  Colutea arborescens Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12688 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  CHSC26338  Convolvulus arvensis L. Neuenschwander 1970-8-20 44 Los Angeles Los Angeles, 0.5 mi. from jct. of San Bernardino and Long Beach Fwys. At Cal-State Los Angeles. 152 Comment
  RSA202470  Convolvulus arvensis R. L. Armacost 1963-6-10 1674 Los Angeles SMCC campus weed, Santa Monica Comment
  RSA394791  Convolvulus arvensis Robert Gustafson 1980-8-29 1886 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA749121  Conyza canadensis R. G. Swinney 2005-8-9 8405 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  POM355839  Conyza canadensis B. C. Templeton 1938-8-4 4327 Los Angeles Exposition Park Comment
  RSA127418  Conyza canadensis Peter H. Raven, H. J. Thompson 1959-10-18 14667 Los Angeles Santa Monica Mountains north arm of Malibu Lake 220 Comment
  RSA0084702  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Pacifico Mountain summit. 2134 Comment
  UCR223404  Cordylanthus nevinii R. G. Swinney 2009-7-23 11398 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
  RSA598096  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-4 9144 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  POM356132  Corethrogyne filaginifolia Freda Detmers 1932-11-27 s.n. Los Angeles 3 miles N of mouth of Topanga Canyon. Comment
  POM356201  Corethrogyne filaginifolia L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  RSA127866  Corethrogyne filaginifolia Peter H. Raven, H. J. Thompson 1958-10-11 13755 Los Angeles Saddle Peak, Santa Monica Mountains. 823 Comment
  RSA93349  Corethrogyne filaginifolia var. filaginifolia Raymond J. Dobbs 1924-7-8 5400 Los Angeles San Gabriel Mountains: N of Pasadena, trail 2.7 miles below Switzer's Camp. 731 Comment
  POM187607  Cornus occidentalis Joseph A. Ewan 1928-6-9 3634 Los Angeles Formerly abundant locally (at date of collection) in stream bottom thicket, Verdugo Canyon at Colima Drive Comment
  CAS-BOT-BC212111  Cornus sericea Le Roy Abrams; E. A. McGregor 1908-7-5 653 Los Angeles Swawrtout Canyon, desert slopes of San Gabriel Mountains 1828 Comment
  CAS-BOT-BC212117  Cornus sericea A. J. McClatchie 1893-9-7 471 Los Angeles Catalina Comment
  RSA787099  Coronilla valentina subsp. glauca Danielle LeFer 2012-5-23 s.n. Los Angeles Abalone Cove Reserve in Rancho Palos Verdes. Approximately 3 miles East of Palo Verdes Drive South from Hawthorne Boulevard. Right side of road in disturbed area. 61 Comment
  SD240941  Coronopus didymus R. G. Swinney 2009-4-7 10283 Los Angeles Transverse Ranges: San Gabariel Mountains Foothills; San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west (Azusa 7.5'Q) 184 Comment
  CATA3539  Cortaderia selloana Kristy Lanz, Benjamin J. Dion 2018-5-18 002 Los Angeles Santa Catalina Island: Interior; in drainage in Middle Cottonwood Canyon watershed 171 Comment
  UCR95170  Cotoneaster pannosus L. C. Wheeler 1970-1-4 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Santa Anita Canyon, just upstream from Winter Creek 549 Comment
  RSA602309  Cotula australis L. C. Wheeler 1946-12-14 6448 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  CAS-BOT-BC427736  Crassula connata Geo. B. Grant 1905-4-19 6480 Los Angeles Garvanza Comment
  SBBG12024  Crassula connata P. H. Raven 1962-4-10 17208 Los Angeles summit of Thirst 579 Comment
  SBBG98685  Crassula connata T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5154 Los Angeles 950 ft WNW of Stone at the beginning of the Stone Cyn drainage 441 Comment
  RSA592204  Crassula connata var. connata L. C. Wheeler 1967-4-23 9194 Los Angeles San Gabriel Mountains. Sunset Ridge, by Millard Canyon. Comment
  RSA723434  Crassula connata var. erectoides M. B. Dunkle 1929-4-21 2139 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  RSA592229  Crassula tillaea L. C. Wheeler 1967-4-30 9241 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  SBBG18705  Cressa truxillensis E. R. Blakley 1963-4-7 5503 Los Angeles Little Harbor 15 Comment
  RSA0127212  Crocanthemum scoparium var. vulgare Louis C. Wheeler 1967-7-18 10108 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  UC729577  Crossosoma californicum Carl B. Wolf 1932-5-9 3500 Los Angeles junction of Upper Pebbly Beach Rd and road to Renton Mine; Santa Catalina Island 121 Comment
  LA200764  Croton californicus Norman A. Cole; May 1964 405 .8 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, at junction of Cornell Rd and Lake Vista Rd 213 Comment
  LA204932  Croton californicus A. M. Johnson; 1928-3-13 2856 Los Angeles Del Rey Hills Comment
  UCR41727  Croton californicus G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  SD252239  Crypsis Steven A. Junak 1999-9-11 Sca 1098 Los Angeles Santa Catalina Island. W side of upper Buffalo Springs reservoir. 433 Comment
  SBBG13011  Crypsis vaginiflora E. R. Blakley 1962-10-3 5377 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  SEINET10518388  Crypsis vaginiflora Robert F. Thorne 1966-9-16 Thorne 36712 Los Angeles Santa Catalina Island: desiccated muddy of reservoir at Hay Press, with Ammania coccinea, Gnaphalium palustre, etc. Comment
  UCR270096  Cryptantha R. G. Swinney 2011-4-20 14437 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
Read comments
Feb 19 2020
  RSA14758  Cryptantha circumscissa Alice Eastwood 1919-6-20 9018 Los Angeles Mt. Wilson. Comment
  UCD119640  Cryptantha clevelandii Robert F. Thorne; M. Z. Thorne 1973-2-12 42470 Los Angeles Santa Catalina Island, north of Marine Science Station at Fisherman's Cove. 45 Comment
  CHSC95537  Cryptantha intermedia LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 235 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. Open ridgetop, on trail up out of canyon and going to the crest following a ridge running northwest from the crest. 548 Comment
  RSA499646  Cryptantha micrantha E. Van der Pas 1968-3-30 5 Los Angeles 0.3 miles off Hwy 14, 3.7 miles N of Palmdade Comment
  LA94312  Cryptantha micromeres A. M. Johnson; 1934-5-1 4443 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM9044  Cryptantha microstachys P. A. Munz, R. D. Harwood 1920-5-15 3944 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  LA94318  Cryptantha muricata Carl Epling; 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA802427  Cryptantha muricata Orlando Mistretta, Cher Batchelor 2011-7-27 5995 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  UCR146207  Cryptantha muricata Scott D. White, Michael Honer 2004-6-24 10488 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
  UCR191741  Cryptantha muricata A. C. Sanders 2008-4-23 35094 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  SEINET12280868  Cryptantha muricata M. T. Doutt 1931-1 s.n. Los Angeles Sierra Madre Mts Comment
  UC1595476  Cryptantha muricata var. denticulata Tim Ross 1992-4-4 6068 Los Angeles 1 mi se Black Butte (middle butte of the three, sw Mohave Desert); Mojave Desert, Three Sisters, El Mirage U.S.G.S. 7.5' topo 969 Comment
  UCR280656  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-21 16620 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
  RSA0117521  Cryptantha nevadensis var. rigida A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37978 Los Angeles Tehachapi Mountains: Crane Canyon, 1.0 mi. SE (144 deg ) of Castac Lake, 1.7 mi. NE (43 deg ) of Gorman, just S of Kern Co. line. 1141 Comment
  RSA0113684  Cryptantha oxygona LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7543 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
  RSA80755  Cryptantha pterocarya F. W. Peirson 1919-6-4 477 Los Angeles Rock Creek, north slope of San Gabriel Mts. 1692 Comment
  UCR261881  Cryptantha pterocarya var. pterocarya Tim Thomas 2014-5-4 6289 Los Angeles Mojave Desert, Antelope Valley, 2.6 miles north of Neenach, just east of aqueduct just south of Ave A 884 Comment
  UCR277232  Cryptantha similis R. G. Swinney 2011-4-19 14394 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA641428  Cryptantha simulans L. C. Wheeler 1967-7-15 10039 Los Angeles Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  SBBG133094  Cryptantha traskiae S. A Junak 1996-4-14 SCI- 334 Los Angeles NE side of North Head, opposite Bird Rock, on lower terrace 7 Comment
  SBBG131887  Cryptantha traskiae S. A. Junak, D. Wilken 1996-3-27 SCI 259 Los Angeles just S of Eel Cove Cyn 24 Comment
  RSA594295  Cucurbita foetidissima L. C. Wheeler 1967-7-30 10243 Los Angeles San Gabriel Mountains. Big Tujunga wash. 426 Comment
  UCR146494  Cupressus arizonica Scott D. White 2004-7-27 10645 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  HSC6389  Cuscuta californica C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA669281  Cuscuta californica LeRoy Gross 2002-6-24 548 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 518 Comment
  RSA190906B  Cuscuta occidentalis R. F. Thorne 1967-5-18 36869 Los Angeles Santa Catalina Island, near Wild Boar Gully (Cercocarpus Arroyo) 229 Comment
  RSA573699  Cuscuta subinclusa T. S. Ross 1990-8-17 3155 Los Angeles Icy springs in upper Big Rock Creek 1752 Comment
  SEINET10938265  Cycas revoluta Carl C. Epling Epling s.n. Los Angeles Comment
  UCR206129  Cycladenia humilis var. venusta R. G. Swinney 2008-6-10 8997 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  RSA0098340  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2014-11-15 18262 Los Angeles San Gabriel Mountains, Grandview Canyon, 15 km SE of Pearblossum, 40 km north of Pomona. 1460 Comment
  RSA483543  Cynodon dactylon McCulloch 1931-4-4 s.n. Los Angeles Los Angeles. Comment
  UCR231391  Cyperus eragrostis Dan S. Cooper 2011-9-30 911- 128 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Royce Canyon 264 Comment
  POM184638  Cyperus esculentus L. C. Wheeler 1932-9-19 1397 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  RSA625693  Cyperus gracilis T. Yutani 1983-8-8 s.n. Los Angeles Santa Monica. Comment
  RSA365125  Cyperus involucratus T. S. Clare 1929-4-13 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  POM340635  Cyperus involucratus F. R. Fosberg 1973-11-15 55346 Los Angeles San Clemente Island, Wilson s Cove. Comment
  RSA0110588  Cystopteris fragilis Richard G. Swinney 2010-6-8 13240 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. 598 Comment
  UCR129691  Cystopteris fragilis R. F. Thorne 1971-6-30 40791 Los Angeles San Gabriel Mtns., south fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area 1555 Comment
  UCR143250  Cytisus multiflorus LeRoy Gross 2004-3-30 1212 Los Angeles Transverse Ranges, Verdugo Mountains region; north side of the mountains; off the south side of the 210 fwy between La Tuna Canyon Road and Lowell Ave. in the city Tujunga 549 Comment
  RSA597282  Dactylis glomerata Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3730 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA602959  Dactylis glomerata Steven A. Junak 1996-5-1 2698 Los Angeles Santa Catalina Island: by summit reservoir. 409 Comment
  LA82384  Datisca glomerata O. H. Kappler; 1940-5-26 2 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA271750  Datisca glomerata J. Sauer 1975-7-10 5707 Los Angeles Sequit basin, Santa Monica Mts. 335 Comment
  RSA549240  Datura wrightii Scott D. White 1992-10-8 871 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  RSA421881  Datura wrightii Jack Rempel 1932-5-9 15271 Los Angeles El Segundo. Comment
  SD69538  Datura wrightii Robert F. Thorne, P. Everett 1965-6-22 34929 Los Angeles Santa Catalina Island: open fields S of Avalon golf course in Avalon Canyon 91 Comment
  PASA1930  Daucus pusillus Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA248845  Daucus pusillus R. F. Thorne 1973-4-11 42862 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  SD107920  Deinandra clementina Larry DeBuhr 1977-4-16 2563 Los Angeles Santa Catalina Island; coastal bluffs around Little and Shark Harbours. Comment
  SDSU19661  Deinandra clementina Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas, Mike Walgren 2000-7-19 2189 Los Angeles San Clemente Island, ca. 0.2 mile south from the end of road that runs south from Eel Point. 69 Comment
  CATA233  Deinandra fasciculata Mark L. Hoefs, A. Douglas Propst 1973-5-4 226 Los Angeles Santa Catalina Island: By Thompson Dam, middle canyon, south exposure 213 Comment
  UCR186796  Deinandra fasciculata Gary Kovnat, LeRoy Gross 2003-6-28 44 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone Comment
  UC303958  Deinandra fasciculata Geo. B. Grant 1901-9-1 1694 Los Angeles Pacific shore Comment
  UC2026453  Deinandra kelloggii Louis C. Wheeler 1965-6-21 8696 Los Angeles LIEBRE MOUNTAIN: Two Shay Ranch, Bouquet Canyon. Comment
  LA82455  Delphinium cardinale O. H. Kappler; 1940-6-9 46 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak Road. 518 Comment
  CAS-BOT-BC7964  Delphinium parishii subsp. parishii H. M. Hall 1900-6-1 1462 Los Angeles San Antonio Mountains, Lytle Creek Canyon 1676 Comment
  POM199533  Delphinium parryi I. W. Clokey, Bonnie C. Templeton 1929-05 4555 Los Angeles Mandeville Canyon, Santa Monica Mountains. 500 Comment
  POM155  Delphinium parryi Harry Lowe 1903-5-13 s.n. Los Angeles Collected near Pasadena Comment
  POM156  Delphinium parryi P. A. Munz 1918-5-16 2255 Los Angeles Claremont. Comment
  CAS-BOT-BC116265  Delphinium parryi subsp. parryi T. S. Ross; V. W. Steinmann 1995-5-8 8536 Los Angeles BOUQUET CANYON: along Bouquet Canyon Road near Bouquet Campground No. 3. USGS 7.5' Green Valley Quadrangle 743 Comment
  LA52175  Delphinium parryi subsp. parryi W. O. Griesel; 1936-3-17 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  UCR197233  Delphinium parryi subsp. parryi Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 983 B Los Angeles Verdugo Mountains, southwest side, along Verdugo Mtwy, above Brace Canyon, west of junction with Stough Canyon Mtwy 610 Comment
  RSA398737  Delphinium parryi subsp. parryi Donald R. Bissing 1973-6-2 108 Los Angeles Evey Canyon, San Gabriel Mountains. 0.6 miles from mouth of canyon. 756 Comment
  UCR194609  Delphinium patens R. G. Swinney 1999-4-9 7079 Los Angeles San Gabriel Mtns., Dime Canyon, c. 200 m south of Cattle Canyon at the falls 671 Comment
  OBI60238  Delphinium patens Stacie Call, Patrick Tennant 1994-3-29 s.n. Los Angeles Big Tujunga Wash, Angeles Natl Forest, San Gabriel Mts. Exit E bound 210 fwy at Sunland Ave Turn rt (east) and go to Oro Vista Rd. N on Oro vista to N Trl cyn. Turn left and follow to end 1000 Comment
  CAS-BOT-BC121533  Delphinium patens subsp. hepaticoideum M. E. Jones 1882-5-2 3204 Los Angeles Pasadena Comment
  CAS-BOT-BC121542  Delphinium patens subsp. hepaticoideum LeRoy Abrams; E. A. McGregor 1908-7-5 640 Los Angeles Swartout Canyon, slopes of the San Gabriel Mountains 1981 Comment
  CAS-BOT-BC121543  Delphinium patens subsp. hepaticoideum LeRoy Abrams 1899-4-1 229 Los Angeles Elysian Park Comment
  RSA279051  Delphinium patens subsp. hepaticoideum Robert F. Thorne 1971-4-23 41468 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA400026  Delphinium patens subsp. hepaticoideum Robin S. Collins 1973-3-11 206 Los Angeles Angeles Nationall Forest, Trail Canyon, ca. 1/2 miles along pack trail from start of trail. 610 Comment
  RSA0030019  Delphinium patens subsp. montanum Steve Boyd, T. S. Elias 1987-4-14 2053 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  UCR272641  Delphinium patens subsp. montanum R. G. Swinney 2011-6-7 15047 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 1585 Comment
  RSA0030017  Delphinium patens subsp. montanum R. Carlson 1961-5-31 79 Los Angeles Glendora Mt. Rd., 3/4 way to Mt. Baldy. Comment
  RSA0030028  Delphinium patens subsp. montanum Sam Tyson 1943-3-26 s.n. Los Angeles San Dimas Canyon Comment
  RSA783867  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 E Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  CAS-BOT-BC82816  Dendromecon harfordii Reid Moran 1941-2-25 613 Los Angeles Above creek, Johnson's Valley, Santa Catalina Island. Comment
  SD52978  Dendromecon harfordii Peter H. Raven 1962-5-20 17784 Los Angeles Santa Catalina Island; Airport Road on main ridge ca. 1.5 miles west of Middle Ranch turn-off. Comment
  OBI34047  Dendromecon rigida Mark Schneider 1973-5-12 28 Los Angeles vogel Flats, Big Tujunga Cyn 792 Comment
  UCD95176  Dendromecon rigida James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles Angeles National Forest, Big Tujunga Canyon Rd., about 1 mile E of ranger station. Comment
  SBBG133159  Deschampsia danthonioides E. Howe 2010-5-16 SERG 10 -45 Los Angeles ephemeral pool on OP3 rd 519 Comment
  UCR210118  Deschampsia danthonioides R. G. Swinney 2008-7-24 9342 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA726185  Descurainia obtusa subsp. adenophora Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley: Castaic Junction, Newhall, SW of the junction of SR 126 and US5, N of the Santa Clara River 305 Comment
  UCR170395  Descurainia pinnata John F. Green 2006-3-15 s.n. Los Angeles Mojave Desert, between Llano and Pearblossom, Hwy 138 at Big Rock Wash crossing, both sides of wash in zone being cleared for highway widening 963 Comment
  CAS-BOT-BC43345  Descurainia pinnata subsp. glabra Timothy S. Ross; Darin Banks 1994-4-13 7539 Los Angeles Liebre Mountains. Bouquet Reservoir. North shore at effluence of Spunky Canyon. 905 Comment
  JEPS64192  Dichelostemma capitatum Frank W. Peirson 1918-5-21 7 Los Angeles Arroyo Seco San Gabriel Mts. Comment
  RSA0065633  Dichelostemma capitatum subsp. capitatum LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6788 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA15195  Dichelostemma capitatum subsp. capitatum Carl B. Wolf 1926-3-22 72 Los Angeles Occidental College Campus, Eagle Rock Comment
  SD230138  Diplachne fusca var. fascicularis Louis C. Wheeler 1946-9-1 6331 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/4 mile westerly from confluence with North Fork. Comment
  CAS-BOT-BC150659  Diplacus longiflorus Irene Mersereau 1911-8-7 1015 Los Angeles Verdugo [Canon] Canyon Comment
  SBBG90460  Distichlis spicata M. C. Hochberg 1985-4-7 1205 Los Angeles Little Springs Cyn 243 Comment
  RSA530770  Dithyrea californica Ora M. Clark 1929-3-30 1924 Los Angeles E of Lancaster. Comment
  UCR149921  Dodecatheon clevelandii R. G. Swinney 1998-3-7 5901 Los Angeles San Gabriel Valley, Glendora, South Hills Wilderness Area, c. 300 m east-northeast of junction of Bonnie Cove Ave. and 210 Fwy. 305 Comment
  RSA461498  Dodecatheon clevelandii Bonnie C. Templeton 1931-3-29 s.n. Los Angeles Mandeville Canyon. Comment
  RSA603541  Dodecatheon clevelandii subsp. insulare Sara L. Crockett 1997-1-18 556 Los Angeles Santa Catalina Island. Knobby ridge 0.6 miles WSW of Coach Road (to Airport), from point 0.2 miles W of jct. with Middle ranch road. 424 Comment
  UCR43322  Dodecatheon redolens David Charlton 1986-6-16 308 Los Angeles San Gabriel Mtns, Angeles Crest Hwy, near Kratka Ridge. 2287 Comment
  POM34248  Drymocallis glandulosa Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA0127371  Drymocallis glandulosa Louis C. Wheeler 1967-7-15 10041 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  UCR271049  Drymocallis glandulosa var. viscida R. G. Swinney 2011-6-6 15018 B Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  LA200119  Dryopteris arguta Lawrence L. Kiefer; 1966-3-20 1768 Los Angeles SANTA MONICA MOUNTAINS, Big Rock Road at Malibu Heights. 60 Comment
  LA82518  Dryopteris arguta O. H. Kappler; 1941-3-9 107 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR280662  Dryopteris arguta R. G. Swinney 2014-5-21 16606 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
  RSA650216  Dryopteris arguta Ken Chapman, Glenn Harthorn, Don Lage 1949-5-3 s.n. Los Angeles San Dimas Canyon. 518 Comment
  RSA670383  Dryopteris arguta I. W. Clokey, B. C. Templeton 1929-05 4539 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  UCR190289  Dudleya cymosa R. G. Swinney 1998-8-1 6626 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  RSA679295  Dudleya cymosa subsp. cymosa Mark Elvin, Anne Marie Ruff 1996-8-1 295 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road (gate). South side of road on curve. Comment
  UCR109031  Dudleya cymosa subsp. pumila L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mtns., NW slope of Smith Mtn, along the Bear Creek Trail 1250 Comment
  RSA83395  Dudleya densiflora F. W. Peirson 1919-7-1 517 Los Angeles Fish Canyon 274 Comment
  UC933197  Dudleya hassei Reid Moran 1941-5-27 872 Los Angeles canyon to s school (Avalon); Santa Catalina Island Comment
  LA200393  Dudleya lanceolata Joan Malloy; 1952-5-15 sn Los Angeles Comment
  RSA611254  Dudleya lanceolata L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: West side of Bear Creek, off West Fork San Gabriel River. 610 Comment
  SBBG70387  Dudleya lanceolata R. Hoffmann 1931-5-8 Los Angeles 2-3 mi E of Elizabeth Lake Comment
  RSA497532  Dudleya lanceolata W. Wisura, Timothy S. Ross 1989-6-13 4377 Los Angeles Malibu Canyon, Santa Monica Mts. Comment
  RSA632832  Dudleya lanceolata R. F. Thorne 1971-6-17 39955 Los Angeles San Gabriel Mountains: LIttle Tujunga Creek 457 Comment
  RSA670636  Dudleya lanceolata B. C. Templeton 1938-6-22 1698 Los Angeles Mint Canyon, near the crest. Comment
  UC1127122  Dudleya lanceolata Jerome S. Horton 1937-5-19 446 Los Angeles San Dimas Canyon Trail to flumes 4 and 5 Pomona Quadrangle 579 Comment
  CAS-BOT-BC109629  Dudleya multicaulis Louis C. Wheeler 1934-4-27 2572 Los Angeles Marshall Creek, San Gabriel Mountains. 487 Comment
  UCD98653  Dysphania ambrosioides Daryl Koutnik 1978-8-24 s.n. Los Angeles 6922 Hesperia Avenue, Reseda. 213 Comment
  UCR180183  Echinochloa crus-galli R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., north of Glendora, Littloe Dalton Debris Basin 366 Comment
  CAS-BOT-BC197216  Echinochloa crus-pavonis I. M. Johnston 1918-8-4 2111 Los Angeles North Pomona 365 Comment
  UCD95147  Ehrendorferia ochroleuca Henry J. Thompson 1960-5-14 3059 Los Angeles Santa Monica Mountains, along road to Saddle Peak, just west of La Tuna Canon summit. 609 Comment
  RSA0092327  Ehrharta calycina R. G. Swinney 2011-3-17 14118 Los Angeles San Gabriel Mountains: Glendora, north of Mull Canyon debris basin 366 Comment
  UCR197130  Ehrharta calycina LeRoy Gross 2007-4-6 2620 Los Angeles Transverse Ranges; Verdugo Mountains, south base of the range, just east of Craig Canyon, at the intersection of Groton Drive and Hamline Place, between the city of Burbank and the south slope of the range 288 Comment
  RSA0064474  Eleocharis R. G. Swinney 2010-9-1 13658 Los Angeles Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  UCR101730  Eleocharis bernardina L. C. Wheeler 1967-7-15 10022 Los Angeles San Gabriel Mtns., SW side of Mt. Waterman 2134 Comment
  POM184654  Eleocharis montevidensis var. montevidensis L. C. Wheeler 1932-9-19 1396 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  RSA590827  Elymus Orlando Mistretta 1992-5-4 218 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  UCR94710  Elymus cinereus A. C. Sanders, E. J. Lott 1993-5-6 13967 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  RSA0094389  Elymus condensatus Richard G. Swinney 2011-5-31 14934 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
  UCR125918  Elymus condensatus A. C. Sanders, Mark Elvin 2002-6-19 25179 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  POM114272  Elymus elymoides Marcus E. Jones 1926-6-7 s.n. Los Angeles South of Lebec. Comment
  UCD61603  Elymus elymoides Larry E. Brown 1970-5-2 1791 Los Angeles San Gabriel Mts. Ca. 10 miles south of Joshua Tree State Park. Comment
  SBBG131611  Elymus glaucus S. A. Junak 1999-5-21 SCa 990 Los Angeles Coffee Pot Cyn, upstream from rd crossing 426 Comment
  LA33384  Elymus glaucus subsp. glaucus Peter H. Raven; 1959-5-9 14162 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. Comment
  RSA610548  Elymus stebbinsii L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
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Feb 19 2015
  UCR277414  Elymus trachycaulus R. G. Swinney 2010-9-30 13910 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
  SD69726  Elymus triticoides Robert F. Thorne 1966-4-29 36269 Los Angeles Santa Catalina Island: along stream in Middle Ranch Canyon along road to Ben Weston Beach 60 Comment
  CATA681  Emmenanthe penduliflora Mark L. Hoefs 1991-4-26 1172 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 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
  RSA654014  Emmenanthe penduliflora var. penduliflora Valerie L. Soza, Laura Moore 2000-5-10 848 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 564 Comment
  UCR273149  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-6 14609 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
  CAS-BOT-BC131206  Encelia californica Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  CAS-BOT-BC131215  Encelia californica LeRoy Abrams 1903-3-8 3107 Los Angeles Hillsides near Inglewood Comment
  POM356645  Encelia californica F. H. Elmore 1939-2-18 393 Los Angeles San Clemente Island Comment
  SFV3868  Encelia californica K. A. Wilson 1961-3-16 1033 Los Angeles Santa Monica Mountains Point Dume. Summit of Birdview and Cliffside Drive. Sandy field. 38 Comment
  UCR258100  Encelia californica Michael Wall, Mark A. Elvin, Lauren Raz, Meyers 1997-3-18 235 Los Angeles Channel Islands, Santa Catalina Island, Cape Canyon, upper slopes c. 1 mile below Reservoir Road junction 252 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
  IRVC28192  Ephedra viridis L. C. Wheeler 1967-5-31 9800 Los Angeles Sycamore Flat Campground, Big Rock Creek. Transverse Ranges, San Gabriel Mtns Comment
  RSA649693  Ephedra viridis Michael Horn 1991-5-7 28 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site 1463 Comment
  LA200706  Epilobium canum subsp. canum Louis Wheeler; 1931-11-11 sn Los Angeles Santa Monica Mountains, near Girard [Woodland Hills] 457 Comment
  RSA127421  Epilobium canum subsp. canum Peter H. Raven, H. J. Thompson 1959-10-18 14681 Los Angeles Santa Monica Mountains north arm of Malibu Lake 221 Comment
  RSA9681  Epilobium canum subsp. canum Louis C. Wheeler 1931-10-16 253 Los Angeles Sawpit Canyon. San Gabriel Mountains. 305 Comment
  SEINET13387043 Image available Epilobium canum subsp. latifolium R. G. Swinney 2011-1 15725 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  UCR209923  Epilobium ciliatum R. G. Swinney 2008-7-13 9191 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
  POM50080  Epilobium ciliatum subsp. ciliatum L. R. Abrams 1901-6-11 1745 Los Angeles New River near Long Beach. Comment
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Jan 5 2016
  RSA600733  Epilobium glaberrimum subsp. glaberrimum Louis C. Wheeler 1954-9-1 7081 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  SBBG122061  Epilobium pygmaeum A. Parikh, N. Gale 2003-5-24 741 Los Angeles Plum Cyn, 1.6 km SW of Cruzan Mesa, 2.8 km W of Sierra Hwy 570 Comment
  RSA729391  Epipactis gigantea Richard G. Swinney 1998-7-21 6474 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  POM168753  Epipactis gigantea C. J. Pox 1903-05 s.n. Los Angeles Near Glendale Comment
  CAS-BOT-BC58013  Equisetum L. R. Abrams 1941-4-18 13869 Los Angeles State highway 138 one mi. e. of junction with U.S. Highway 99. Comment
  SBBG28787  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles Pine Cyn Dam, San Gabriel Cyn 304 Comment
  SEINET6087563  Equisetum arvense Unknown 1946-10-26 6389 Los Angeles San Gabriel Mountains. San Gabriel Canyon. 0.8 mi upstream from mouth. North side. Comment
  CAS-BOT-BC57173  Equisetum hyemale subsp. affine I. Johnston 1917-5-13 271 Los Angeles El Monte 121 Comment
  CAS-BOT-BC57174  Equisetum hyemale subsp. affine 1904-1-1 s.n. Los Angeles unspecified Comment
  RSA596102  Equisetum telmateia var. braunii Mark Hoefs, Robert F. Thorne 1995-7-26 2454 Los Angeles Santa Catalina Island. Middle Canyon in stream bed just below reservoir. 169 Comment
  RSA603676  Equisetum telmateia var. braunii Steve Boyd 1997-9-17 10042 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 854 Comment
  UCD62929  Eragrostis lehmanniana A. C. Sanders 2003-5-26 25861 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of San Gabriel River channel. 158 Comment
  RSA596209  Eragrostis pectinacea Lauren Raz, Steve Boyd 1996-10-23 20 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  LA30499  Eremocarpus setiger Jane Turner; T. Mosquin 1958-11-16 C 46 Los Angeles 472 Comment
  RSA599294  Eremocarpus setiger L. C. Wheeler 1946-8-25 6245 Los Angeles San Gabriel Mountains: Camp Rincon, West Fork San Gabriel River. 457 Comment
  CAS-BOT-BC300527  Eriastrum densifolium B. Ertter; J. Strachan 1979-6-29 3009 Los Angeles N edge of Angeles Nat'l Forest ca 9 airmiles ESE of Pearblossom, 1.7 mi N of Mile High on County Hwy N4 1463 Comment
  RSA0104862  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3961 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W., (West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10) 1390 Comment
  UC1871043  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3961 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  CDA40035  Eriastrum densifolium subsp. elongatum Phillipson 1915-7-11 3 .11.A Los Angeles San Fernando. Comment
  UC527252  Eriastrum densifolium subsp. elongatum C. B. Wolf 1931-5-13 1998 Los Angeles near bridge on the rd. from Tujunga to San Francisco; Pacoima Wash 365 Comment
  JEPS16259 Image available Eriastrum pluriflorum Philip A. Munz and T. Craig 12925 Los Angeles 10 mi s Muroc; ; S of Muroc, Los Angeles Co. Comment
  UCR192887  Eriastrum sapphirinum R. G. Swinney 1998-7-6 6274 Los Angeles San Gabriel Mtns., Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  RSA0122936  Eriastrum sapphirinum Orlando Mistretta, Mark Elvin 1995-5-10 1702 C Los Angeles San Gabriel Mountains: Bare Mountain Canyon, West Fork. 1402 Comment
  RSA0060814  Eriastrum sapphirinum subsp. brevibracteatum LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6962 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA0122087  Eriastrum sapphirinum subsp. brevibracteatum Orlando Mistretta 1994-5-11 1182 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  RSA0122089  Eriastrum sapphirinum subsp. brevibracteatum P. A. Munz, T. Craig 1933-5-13 12953 Los Angeles Five miles south of Lancaster. Comment
  RSA0121273  Eriastrum sapphirinum subsp. dasyanthum F. W. Peirson 1921-7-1 2829 Los Angeles Mint Canyon. 473 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
  CAS-BOT-BC515038  Eriastrum sapphirinum subsp. sapphirinum Ella Dales Cantelow 1933-7-3 397 Los Angeles San Dimas Canyon Comment
  RSA0115441  Ericameria cooperi R. G. Swinney 2010-6-1 13171 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
  RSA589266  Ericameria cuneata var. spathulata Timothy S. Ross 1991-4-28 4763 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  OBI5878  Ericameria ericoides Carl B. Wolf 1931-12-30 2640 Los Angeles Bluffs at Playa Del Rey Comment
  UCR108226  Ericameria linearifolia L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns., Aliso Canyon c. 0.5 mi SSW of Blum Ranch 945 Comment
  RSA0064064  Ericameria nauseosa var. hololeuca Richard G. Swinney 2010-10-13 14035 Los Angeles Lily Spring, within 100 meters of main spring. East of spring. 2454 Comment
  CAS-BOT-BC298045  Ericameria nauseosa var. mohavensis C. B. Wolf 1931-10-23 2491 Los Angeles Swartout Valley 1 mile E of Wrightwood Lodge, San Gabriel Mts 1828 Comment
  POM359437  Ericameria palmeri var. pachylepis F. R. Fosberg 1931-8-23 7289 Los Angeles Lomita Quarry, San Pedro Hills 100 Comment
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Jul 3 2014
  UCR177931  Ericameria parishii LeRoy Gross 2001-9-1 446 Los Angeles Los Angeles Basin, Verdugo Mountains; north side, along Hostetter Mountain Way 610 Comment
  UC1870189  Ericameria parishii var. parishii LeRoy Gross 2001-9-1 446 Los Angeles Verdugo Mountains; north side, Along Hostetter Mountain Way. 610 Comment
  LA202512  Ericameria pinifolia C. B. Wolf; 1931-10-20 2465 Los Angeles San Gabriel Mountains, 0.5 mi. above Montrose on the road from Tujunga to La Canada 457 Comment
  POM201729  Ericameria pinifolia L. C. Wheeler 1931-10-17 260 Los Angeles Thompson Creek Wash 412 Comment
  POM359465  Ericameria pinifolia Anstruther Davidson 1915-8-1 3082 Los Angeles Camp Baldy. Comment
  UCR179972  Erigeron breweri R. G. Swinney 1996-8-7 5216 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  RSA232284  Erigeron divergens R. F. Thorne, M. Z. Thorne 1969-7-10 38407 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 miles W of Wrightwood 1951 Comment
  PASA1727  Erigeron foliosus Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  UCR259088  Erigeron foliosus R. G. Swinney 2010-9-9 13752 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA582237  Eriodictyon crassifolium var. crassifolium Louis C. Wheeler 1933-6-24 1882 Los Angeles Verdugo Creek, Verdugo Hills. 534 Comment
  LA205618  Eriodictyon crassifolium var. nigrescens George R Smart; 1952-7-13 81 Los Angeles Pine Canyon, Castaic-Lake Hughes Road, 19.8 mi. from Castaic 609 Comment
  UCR277139  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-29 13246 Los Angeles San Gabriel Mountains, May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54 854 Comment
  CAS-BOT-BC219334  Eriodictyon trichocalyx var. trichocalyx Geo. B. Grant 1902-6-25 s.n. Los Angeles San Gabriel Canon [Canyon] 457 Comment
  LA205720  Eriodictyon trichocalyx var. trichocalyx Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Cajon Pass Comment
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Nov 11 2014
  RSA455066  Eriodictyon trichocalyx var. trichocalyx Robert M. Perkins 1936-5-23 266 Los Angeles San Gabriel Canyon. Comment
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Dec 15 2011
  RSA393072  Eriogonum angulosum Robert Gustafson 1978-6-1 959 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1311 Comment
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Nov 29 2013
  SEINET6053984  Eriogonum angulosum Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabreil Mtns. 2 mi NE of Vincent Comment
  RSA336400  Eriogonum brachyanthum Robert F. Thorne, Dick Tilforth 1978-6-21 52328 Los Angeles San Gabriel Mountains: N of Bob's Gap Comment
  RSA393141  Eriogonum cinereum C. Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA706908  Eriogonum cinereum Gary D. Wallace, M. Wallace 1985-3-2 2181 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  SEINET6332077  Eriogonum cinereum David J. Keil 1983-8-23 17873 Los Angeles South Coast; Just west of Leo Carrillo State beach along Hwy 1, c. 1 mi. south of Ventura Co. line 8 Comment
  CAS-BOT-BC241938  Eriogonum cithariforme John Thomas Howell 1947-7-18 23382 Los Angeles Mill Creek, San Gabriel Mts. 1371 Comment
  RSA586653  Eriogonum clavatum Orlando Mistretta 1995-6-1 1752 Los Angeles Carr Canyon, near mouth of canyon 945 Comment
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Dec 22 2020
  CAS-BOT-BC256284  Eriogonum clavatum Wm. H. Brewer 1861-7-6 s.n. Los Angeles Near Furnace, Guirado, San Juan Comment
  CAS-BOT-BC242759  Eriogonum davidsonii S. B. Parish 1915-6-25 10510 Los Angeles Victorville Comment
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Aug 3 2019
  RSA679871  Eriogonum davidsonii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 860 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA777619  Eriogonum davidsonii Orlando Mistretta, Christine Mistretta 2010-5-20 5146 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  RSA782511  Eriogonum davidsonii Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 2 Los Angeles Angeles National Forest: Sawmill Mountain. Road 7N08 turn from Co Hwy N2, first major dirt road crossing. Comment
  SBBG126945  Eriogonum davidsonii A. Parikh, N. Gale 2011-6-17 3481 Los Angeles Aliso Cyn, just W of Angeles Forest Hwy, 0.5 km S of Aliso Cyn Rd; San Gabriel Mtns 1285 Comment
  UC284248  Eriogonum davidsonii P. A. Munz 1923-8-31 7675 Los Angeles ridge s Swartout Valley; San Gabriel Mts. 2590 Comment
  UC6265 Image available Eriogonum davidsonii Dr. A. Davidson 1892-1 Los Angeles on Wilsons Peak Wilsons Peak; Wilson's Peak, Los Angeles Co. Comment
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Oct 3 2010
  UCR205222  Eriogonum davidsonii R. G. Swinney 2005-8-11 8445 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  VVC3076  Eriogonum davidsonii Tim Thomas, P. J. MacKay 2015-5-10 6618 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  RSA393177  Eriogonum davidsonii F. R. Fosberg, Joseph A. Ewan 1931-8-11 S- 5488 Los Angeles Crystal Lake: north fork of San Gabriel Canyon. 1600 Comment
  UC6279  Eriogonum elongatum var. elongatum W. H. Brewer 1861-1-12 129 Los Angeles San Gabriel Comment
  RSA629051  Eriogonum elongatum var. elongatum Valerie L. Soza, Laura Moore 1999-6-30 603 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  RSA393511  Eriogonum fasciculatum Gary D. Wallace 1978-2-12 1579 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  RSA650856  Eriogonum fasciculatum K. C. Zakar 1969-08 s.n. Los Angeles Mt. Hollywood Road, Griffith Park. 305 Comment
  RSA0091785  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-7-7 15426 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA609051  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1930-10-20 s.n. Los Angeles 2 mi. NE La Verne. 377 Comment
  RSA65151  Eriogonum fasciculatum var. foliolosum F. W. Peirson 1919-1-26 305 Los Angeles San Gabriel Mountains: Rubio Reservoir, foot of Rubio Canyon 549 Comment
  RSA672296  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-19 30940 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  RSA713813  Eriogonum fasciculatum var. foliolosum Valerie L. Soza, Miriam Sidibeh 2003-3-26 1619 -b Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  UC83223  Eriogonum fasciculatum var. foliolosum Le Roy Abrams 1902-7-5 1559 Los Angeles Azusa Comment
  UC1922911  Eriogonum gracillimum Scott D. White, A. Warniment 2005-9-13 11223 Los Angeles Tehachapi Mountains: Slopes and plateus West of Oso Canyon, ca. 1-2 air miles North of Quail Lake. (Lebec) Comment
  RSA393215  Eriogonum grande var. grande F. R. Fosberg 1931-7-16 S 5608 Los Angeles Avalon. Santa Catalina Island. 5 Comment
  UC557696  Eriogonum grande var. grande Nell Murbarger May, 1936 176 Los Angeles San Clemente Island 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
  UCR193550  Eriogonum maculatum R. G. Swinney 1999-6-28 7420 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  CAS-BOT-BC33963  Eriogonum microthecum var. johnstonii Ivan Murray Johnston 1917-9-16 1726 Los Angeles San Antonio Mountains. West spur of Baldy. 2743 Comment
  UC2042128  Eriogonum microthecum var. johnstonii Orlando Mistretta 1995-12-12 1954 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek Canyon. Comment
  SBBG64118  Eriogonum nudum Anstruther Davidson 1893-1 Los Angeles Big Rock Crk Comment
  SBBG64121  Eriogonum nudum R. Hoffmann 1929-11-11 Los Angeles Little Rock Dam Comment
  UCR190784  Eriogonum nudum R. G. Swinney 1999-7-5 7539 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  CHSC111504  Eriogonum nudum var. pauciflorum Duncan S. Bell; Caitlin Elam 2013-7-11 5369 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mt. Wilderness; eastern flanks of Mt. Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  RSA0021021  Eriogonum nudum var. pauciflorum Duncan S. Bell, Caitlin Elam 2013-7-11 5369 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  RSA149742  Eriogonum nudum var. pauciflorum Wesley O. Griesel 1961-8-18 s.n. Los Angeles Trail from Charleton Flats to Chilao, San Gabriel Mountains 1524 Comment
  UCD100841  Eriogonum plumatella M. Vincent 1962-10-4 298 Los Angeles 31 St. east and Pallett Creek Road. Comment
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Jul 28 2014
  RSA64585  Eriogonum pusillum F. W. Peirson 1923-8-31 4006 Los Angeles Blue Ridge, eastern San Gabriel Mountains near line between Los Angeles and San Bernardino counties. 2591 Comment
  RSA64768  Eriogonum thurberi F. W. Peirson 1951-9-24 s.n. Los Angeles San Gabriel Wash, bridge. Comment
  RSA65304  Eriogonum thurberi F. W. Peirson 1930-5-30 8901 Los Angeles shade of oaks, Mint Canyon 610 Comment
  RSA420689  Eriogonum umbellatum var. canifolium Fordyce Grinnell Jr. 1917-8-29 s.n. Los Angeles Mt. Waterman Ridge. Comment
  CAS-BOT-BC268164  Eriogonum umbellatum var. minus Robert F. Thorne; J. Dourley 1967-10-3 37285 Los Angeles Mt. Baden-Powell: N of peak 2804 Comment
  CAS-BOT-BC268172  Eriogonum umbellatum var. minus G. J. Goodman; C. L. Hitchcock 1930-7-28 1726 Los Angeles Near top of Mt. San Antonio 3048 Comment
  CAS-BOT-BC268173  Eriogonum umbellatum var. minus H. E. McMinn 1926-7-22 1790 Los Angeles Bear Flat trail to Mt. San Antonio Comment
  UC426420  Eriogonum umbellatum var. minus G. J. Goodman, C. L. Hitchcock Jul 28 1930-Jul 30 1930 1726 Los Angeles near top of Mt. San Antonio; Mt. San Antonio 3048 Comment
  UCD101509  Eriogonum viridescens L. LaPre 1988-7-1 s.n. Los Angeles Big Rock Creek Wash, 2.5 miles E of Pearblossom. Comment
  POM122957  Eriogonum wrightii var. subscaposum Marcus E. Jones 1926-9-12 s.n. Los Angeles Swartout Valley. Comment
  RSA420590  Eriogonum wrightii var. subscaposum Bonnie C. Templeton 1932-8-25 5077 Los Angeles Near Animal Park, Big Pines Park, San Gabriel Mountains. 2073 Comment
  RSA695683  Eriophyllum confertiflorum Anonymous s.n Los Angeles Milard's Canyon [Millard Canyon]. Comment
  SEINET13203149 Image available Eriophyllum confertiflorum R. G. Swinney 2010-1 11826 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  UCR223311  Eriophyllum confertiflorum R. G. Swinney 2009-5-20 10846 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA295275  Eriophyllum confertiflorum var. confertiflorum Kenneth R. Montgomery, Thomas W. Strid 1973-6-7 73 -148 Los Angeles Collected on north facing slope at Dillon Divide, site of LASCA Cistus field plot Comment
  SBBG96664  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-7 4244 Los Angeles lower half of China Cyn Comment
  UC1584896  Eriophyllum confertiflorum var. confertiflorum Tim Ross and Steve Boyd 1991-7-24 5610 Los Angeles ridge nne of Granite Mountain (Pacifico Mountain USGS 7.5 ft quad, Granite Mountain vicinity); Pacifico Mountain Quadrangle 1892 Comment
  UC468956  Eriophyllum confertiflorum var. confertiflorum R. L. Pendleton 1909-7-2 1361 Los Angeles road e of Avalon; Santa Catalina Island 6 Comment
  CAS-BOT-BC308344  Eriophyllum nevinii Nevin; Lyon 1884-4-1 s.n. Los Angeles San Clemente Island Comment
  POM358084  Eriophyllum nevinii George R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  RSA251400  Eriophyllum nevinii R. F. Thorne 1966-4-15 36011 Los Angeles San Clemente Island, 1/2 mile SSE of Eel Point, SW side of island Comment
  RSA316354  Eriophyllum wallacei R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54976 Los Angeles San Gabriel Mts: 1158 Comment
  SFV7501  Eriophyllum wallacei M. H. Grayum, D. R. Perry, S. Merschel 1975-5-4 s. n. Los Angeles Mojave Desert Antelope Valley. Along Pearblossom Highway, west of Littlerock. 854 Comment
  SBBG67637  Erodium cicutarium M. N. Ackley -Mar-1928 373 Los Angeles Eagle Rock 182 Comment
  UCR223099  Erysimum capitatum R. G. Swinney 2009-6-2 11018 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
  UCR223328  Erysimum capitatum R. G. Swinney 2009-5-20 10841 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA329731  Erysimum capitatum Gary D. Wallace 1966-3-25 206 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  JEPS53546  Erysimum capitatum var. capitatum W. L. Jepson 1935-4-17 17036 Los Angeles mesa flats west Mohave Desert, Lancaster 716 Comment
  RSA600346  Erysimum capitatum var. capitatum Steve Boyd, Lauren Raz 1997-3-26 9384 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 1311 Comment
  LA204349  Erysimum capitatum var. capitatum W. R. Ernst; April 1947 sn Los Angeles San Gabriel Mountains, Glendora Mt. Road Comment
  RSA608048  Erysimum capitatum var. capitatum L. C. Wheeler 1931-1-20 s.n. Los Angeles North Hills, vicinity of Claremont Comment
  SD40151  Erysimum suffrutescens Edith A. Purer 1931-2-21 91 Los Angeles El Segundo Comment
  UCSB21672  Erysimum suffrutescens Keefe, Joseph 1967-3-27 Los Angeles Marina del Rey, intersection of Vista del Mar and 66th Avenue, Playa del Rey 6 Comment
  CAS-BOT-BC474773  Eschscholzia californica Shannon M. Still 2006-3-31 73 Los Angeles NE corner of W Ave. F-8 and 170th St 852 Comment
  CATA59  Eschscholzia californica Mark L. Hoefs, A. Douglas Propst 1973-3-3 37 Los Angeles Santa Catalina Island: North slope of Mt. Black Jack 441 Comment
  RSA747226  Eschscholzia californica R. G. Swinney 2008-4-10 8628 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  UC855135  Eschscholzia californica Marcus E. Jones, A. M. 1882-2-27 3038 Los Angeles Pasadena Comment
  RSA509531  Eschscholzia californica var. peninsularis S. J. Myers, Ed LaRue 1989-3-27 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. San Andreas rift zone bisects the site. 884 Comment
  RSA783235  Eschscholzia californica var. peninsularis J. D. Olmsted 1962-4-30 412 Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  UCR263063  Eschscholzia minutiflora Mitch Provance 2008-4-14 10138 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  SD85148  Eschscholzia ramosa E. R. Blakley 1963-12-8 6409 Los Angeles San Clemente Island, between Northwest Harbor and Whale Point. 7 Comment
  CHSC95520  Eucalyptus globulus LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 408 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland. 427 Comment
  LA201975  Eucalyptus macrandra Arthur C. Gibson; 2004-3-10 5017 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, near Camp Josepho. 198 Comment
  RSA595007  Eucrypta chrysanthemifolia Mark Hoefs, Robert F. Thorne 1996-4-6 2636 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
  UCR252782  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-10 11799 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  LA105329  Eucrypta chrysanthemifolia var. chrysanthemifolia Barry A. Prigge; 1989-4-23 8435 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
  RSA669148  Eucrypta chrysanthemifolia var. chrysanthemifolia LeRoy Gross, Naomi S. Fraga 2002-4-4 511 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road., (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 532 Comment
  JEPS112934  Eulobus californicus Dean W. Taylor 2002-4-30 18024 Los Angeles upper headwaters Haskell Canyon, Del Sur Ridge, Angeles National Forest 1219 Comment
  CDA19812  Eulobus californicus Adams 2002-3-26 PDR 067846 Los Angeles Southern California; Hwy 210 in Pacoima. 0 Comment
  UCR205693  Euphorbia maculata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36982 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  CATA2141  Euphorbia maculata Steven A. Junak 1990-11-9 144 Los Angeles San Clemente Island: N end of island, just SE of passenger terminal building at airfield 60 Comment
  UC1349058  Euphorbia peplus Robert F. Thorne 1966-9-15 36697 Los Angeles Middle Ranch Canyon Santa Catalina Island (at Middle Ranch, Santa Catalina Island) 213 Comment
  UC447144  Euphorbia peplus J. Ewan 1931-5-17 4230 Los Angeles Monrovia Comment
  SD125125  Euphorbia serpens Richard S. Felger 1986-5-6 Los Angeles San Marino, weed at Huntington Library Comment
  UCR126621  Euphorbia serpillifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  SBBG17778  Euphorbia spathulata P. H. Raven 1962-5-9 17675 Los Angeles above Mosquito Cove 335 Comment
  CDA29953  Euphorbia terracina Michael O Brien 2009-7-26 s.n. Los Angeles Topanga State Beach: in flood plain of Topanga Creek, in an area that used to be a historic community of shacks, bungalows, and mobile homes. 0 Comment
  SD224945  Euphorbia terracina Daryl Koutnik 1996-3-14 Los Angeles Santa Monica Mtns: Corral Canyon Road abuut 1/4 mi. N of Pacific Coast Highway, at crossing of Solstice Canyon. 10 Comment
  RSA0116462  Euthamia occidentalis R. G. Swinney 2011-9-22 15660 Los Angeles San Gabriel Mountains; Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA128008  Euthamia occidentalis Peter H. Raven, H. J. Thompson 1959-10-18 14658 Los Angeles Mouth of Topanga Canyon, Santa Monica Mountains, (34deg.N; 118-119deg.W.) 5 Comment
  CATA450  Festuca myuros Sara L. Crockett 1997-3-18 590 Los Angeles Santa Catalina Island: Upper Cape Canyon; 1.0 mile NE on Cape Canyon Road from jct. with Middle Ranch Road, slope adjacent to first side canyon S and W of jct. with Lower Cape Canyon Reservoir Road 304 Comment
  UCR90815  Festuca myuros A. C. Sanders, G. K. Helmkamp 1996-3-24 18020 Los Angeles Mojave Desert, Ave. 'J', 3.3 mi west of 240th St. E, just NE of Saddleback Butte. 890 Comment
  SDSU3244  Festuca perennis Gerald Collier 1951-5-10 M 60 Los Angeles 11618 Mayfield Ave, LA 49. Comment
  CAS-BOT-BC500445  Ficus microcarpa R. E. Riefner, Jr. 2015-7-26 15 -207 Los Angeles City of Los Angeles, on 43rd St. bridge, W side of 100 freeway, E of Flower St. 58 Comment
  RSA0116291  Ficus microcarpa R. E. Riefner Jr. 2015-7-26 15 -209 Los Angeles City of Los Angeles, E side of Figueroa St. at 45th St. 42 Comment
  UCR61244  Ficus palmata R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Big Dalton Canyon and its tributaries. Dunn Canyon 457 Comment
  RSA248901  Filago californica R. F. Thorne 1973-4-11 42861 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA547822  Filago gallica Timothy S. Ross, Peter Fritsch 1990-6-20 3623 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel River; ranging from stream bottom to slopes. 445 Comment
  POM158118  Foeniculum vulgare L. R. Abrams 1902-8-26 2977 Los Angeles Ballona Creek, near Mesmer. Comment
  SEINET3860296  Forestiera pubescens R. G. Swinney 2009-4-24 10482 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 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
  CAS-BOT-BC52568  Frangula californica subsp. californica R. S. Woglum 1934-6-15 s.n. Los Angeles Altadena Comment
  CAS-BOT-BC52569  Frangula californica subsp. californica A. R. D. 1915-6-10 s.n. Los Angeles Claremont, Californica campus Comment
  UC483217  Frankenia salina L. R. Abrams and I. L. Wiggins 1931-7-7 402 Los Angeles Catalina Harbor Channel Islands, Santa Catalina Island Comment
  RSA747461  Fraxinus dipetala R. G. Swinney 2008-4-1 8599 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora. 671 Comment
  RSA426871  Fremontodendron californicum J. Aug. Kusche 1922-05 s.n. Los Angeles Mojave Desert Comment
  RSA367718  Fritillaria biflora E. Crow 1929-4-14 327 Los Angeles Hills 2 miles east of Glendora Comment
  RSA640808  Fritillaria biflora Louis C. Wheeler 1931-2-27 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon (M. S. R. ). Comment
  RSA367721  Fritillaria biflora Geo L. Moxley 1914-2-15 204 Los Angeles Hills n.w. of Highland Park Comment
  RSA68729  Fritillaria biflora Frank W. Peirson 1676 Los Angeles Wash of Arroyo Seco, Pasadena Comment
  RSA773511  Fumaria capreolata Fred M. Roberts, Ian Cain 2010-5-3 7297 Los Angeles Los Angeles Basin Region: Whittier Narrows Dam Recreation Area, Hondo Crek, ca. 0.8 km WSW western shore of Legg Lake and about 0.5 km upstream from San Gabriel Blvd. bridge 61 Comment
  UCR227649  Galium angustifolium R. F. Thorne, Percy C. Everett 1965-5-12 31634 Los Angeles Channel Islands; Santa Catalina Island, upper end of Middle [Ranch] Canyon 305 Comment
  SD4906  Galium angustifolium Mrs. Kate Stephens 1922-7-6 Los Angeles Ten miles west of Semmler Comment
  POM367661  Galium angustifolium subsp. angustifolium Donald R. Bissing 1973-6-2 103 Los Angeles San Gabriel Mountains, Evey Canyon, 0.3 mile from the canyon mouth 720 Comment
  POM367680  Galium angustifolium subsp. angustifolium Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon. Comment
  RSA488444  Galium angustifolium subsp. angustifolium Mark Hoefs 1974-9-25 547 Los Angeles Santa Catalina Island, Gallagher's Canyon- lower west fork 53 Comment
  POM8698  Galium angustifolium subsp. angustifolium Philip A. Munz, R. D. Harwood 1920-3-13 3302 Los Angeles San Jose Hills 1 mi. s. of San Dimas. 305 Comment
  RSA367697  Galium angustifolium subsp. angustifolium Thekla Mohr 1897-05 1931 Los Angeles Los Angeles. Comment
  POM219653  Galium angustifolium subsp. gabrielense F. R. Fosberg 1932-6-18 8558 Los Angeles Below Camp Baldy, San Antonio Canyon 1400 Comment
  POM367740  Galium aparine Louis Greata 1901-03 s.n. Los Angeles Highland Park. Comment
  SBBG19128  Galium aparine M. A. Piehl 1963-12-7 631060 Los Angeles opposite Pyramid Head on SE tip of island 12 Comment
  UC888843  Galium catalinense F. R. Fosberg 1931-3-27 S 4418 Los Angeles Pebble Beach Road Santa Catalina Island 30 Comment
  UCR143194  Galium catalinense R. F. Thorne, D. Propst 1973-2-12 42480 Los Angeles Channel Islands, Santa Catalina Island; Ironwood Gully on slopes of hill east of Isthmus above Banning House 183 Comment
  POM147960  Galium catalinense subsp. catalinense Marcus E. Jones 1927-5-29 5 M-11-26 Los Angeles Isthmus, Catalina Island. Comment
  RSA678827  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1284 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 0.6 mile from trailhead out of Chantry Flat area. 716 Comment
  RSA0051343  Galium johnstonii Valerie Soza 2004-6-17 1722 b Los Angeles San Gabriel Mountains, ca. 1 mile east of Three Points, south side of Hwy 2. 1847 Comment
  RSA588970  Galium johnstonii Orlando Mistretta 1994-6-8 1351 Los Angeles Little Rock Creek, un-named drainage draining N slope of Bare Mountain 1738 Comment
  LA50673  Galium nuttallii subsp. nuttallii Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  RSA0045218  Galium porrigens R. G. Swinney 2010-6-21 13267 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 561 Comment
  UC520245  Galium porrigens Carl Epling 1931-5-2 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA573700  Garrya flavescens Tim S. Ross 1990-8-17 3156 Los Angeles Icy springs in upper Big Rock Creek 1752 Comment
  CAS-BOT-BC158020  Garrya veatchii Le Roy Abrams; E. A. McGregor 1908-7-5 671 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains Comment
  CAS-BOT-BC158021  Garrya veatchii Marcus E. Jones 1903-5-16 s.n. Los Angeles Cajon Pass 1158 Comment
  RSA579301  Gaura sinuata Tim S. Ross, Carolyn Neal, Janet Takara 1994-8-4 8214 Los Angeles Santa Catalina Island: Middle Ranch, ca. 120m NNE of Thompson Dam. 184 Comment
  UCD170714  Gayophytum R. G. Swinney 2009-7-29 11420 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit. 2172 Comment
  UCR189871  Gayophytum R. G. Swinney 1998-7-10 6401 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
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May 1 2012
  RSA0081706  Gayophytum heterozygum R. G. Swinney 2011-7-21 15549 Los Angeles Strawberry Peak summit. 1860 Comment
  POM2881  Geranium carolinianum I. M. Johnston 1917-05 1023 Los Angeles El Mouth Ditch along Railroad 84 Comment
  RSA390995  Geranium carolinianum Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon. 457 Comment
  UCR177252  Geranium rotundifolium LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1065 Los Angeles Verdugo Mountains, North side of the mountains, south of Hostetter Motorway just off La Tuna Canyon Road, south of the 210 Fwy 564 Comment
  UCR281972  Gilia R. G. Swinney 2014-4-17 16093 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  SFV2884  Gilia achilleifolia H. L. Bauer 1941-4-20 685 Los Angeles El Segundo. Sand dunes. 30 Comment
  RSA339258  Gilia aliquanta subsp. aliquanta R. F. Thorne, W. Wisura, S. Granger, Pamela Burton 1982-4-20 54972 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  POM3441  Gilia angelensis C. F. Baker 1904-4-22 4184 Los Angeles Monrovia. Comment
  UCR125424  Gilia angelensis A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25691 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along dirt road on eastern slopes below 'Grapevine Mesa,' 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  RSA187867  Gilia capitata subsp. abrotanifolia R. F. Thorne 1966-4-28 36195 Los Angeles Santa Catalina Island: roadside S of golf links, Avalon Canyon 30 Comment
  UC1922232  Gilia capitata subsp. abrotanifolia Valerie L. Soza, Laura Moore 2000-5-10 869 Los Angeles Transverse Ranges; Verdugo Mountains region; 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''. Near 34deg 14' 22.9'' N 118deg 18' .7'' W T2N R14W NE/4, SW/4 sec. 24. Comment
  RSA470208  Gilia capitata subsp. abrotanifolia Anonymous 1922-05 s.n. Los Angeles Vicinity of Los Angeles. Comment
  RSA72065  Gilia capitata subsp. abrotanifolia Robert L. Dressler 1949-4-23 709 Los Angeles Ca. 15 mi. w. of Vincent. 500 Comment
  JEPS33700  Gilia capitata subsp. capitata John Thomas Howell 1928-5-6 3783 Los Angeles near Fern Lodge (Santa Anita Canyon); San Gabriel Mts., , nr Fern Lodge Comment
  RSA756125  Gilia latiflora subsp. cuyamensis Orlando Mistretta, Christine Mistretta 2008-4-30 2569 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
  CAS-BOT-BC226315  Gilia latiflora subsp. davyi Timothy S. Ross; Steve Boyd 1994-5-25 7882 Los Angeles Liebre Mountains. West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  UCR102541  Gilia latiflora subsp. davyi George K. Helmkamp, E. A. Helmkamp 1997-3-11 1474 Los Angeles c. 12 mi. west of Lancaster at Lancaster Rd & Willow Springs Cyn. 899 Comment
  RSA469399  Gilia latiflora subsp. davyi Frances Runyan 1973-4-14 s.n. Los Angeles On dirt road just out of Gorman. 1067 Comment
  RSA725121  Gilia leptantha subsp. transversa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -90 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  JEPS69687  Gilia minor W. L. Jepson 1935-4-17 17034 Los Angeles Lancaster , Lancaster (w Mohave Desert) 716 Comment
  RSA783531  Gilia multicaulis J. D. Olmsted 1958-3-2 5 Los Angeles Blanchard Park on Pomona College campus, Claremont near eastern end of Los Angeles County. 366 Comment
  RSA0115690  Gilia ochroleuca subsp. bizonata A. C. Sanders 2007-4-25 33587 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Canyon Rd. 1143 Comment
  RSA0016265  Gilia ochroleuca subsp. bizonata L. C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1220 Comment
  CAS-BOT-BC402066  Gilia ochroleuca subsp. vivida Geo. B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson, San Gabriel Mts. 1828 Comment
  RSA469498  Gilia ochroleuca subsp. vivida F. R. Fosberg 1931-8-12 792 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  UCR147756  Gilia splendens subsp. grantii Valerie Soza, Et al. 2000-6-28 1042 Los Angeles San Gabriel Mountains, Northwestern extension of Pine Mountain, jct. of Rincon Red Box Road (FSR 2N24.2) and road to Pine Mountains (FSR 2N24A) along fire road 1250 Comment
  SDSU21373  Gilia tricolor S. H. Bullock 1968-4-6 55 Los Angeles Claremont. North side of Foothill Blvd. between Darthmouth and College Ave. 366 Comment
  UCSB33235  Glebionis coronaria Partsch, M. 1977-5-7 Los Angeles In vacant lot on 182nd St. just off Hawthorne Blvd. in Torrance 30 Comment
  POM4648  Gnaphalium beneolens I. M. Johnston 1918-9-3 2146 Los Angeles Brea Canyon, Puente Hills 396 Comment
  UCR154018  Gnaphalium californicum A. C. Sanders 2005-5-11 30155 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
  CDA5878  Gnaphalium californicum Webber 1952-5-9 Los Angeles Santa Monica Mountains; Beyond Malibu. 0 Comment
  POM358787  Gnaphalium californicum N. C. Cooper 1949-6-24 4240 Los Angeles Los Padres National Forest. 457 Comment
  POM4642  Gnaphalium californicum Shaw 1900-6-11 s.n. Los Angeles Claremont. Comment
  RSA6052  Gnaphalium microcephalum C. B. Wolf 1932-10-3 4211 Los Angeles Santa Catalina Island. About 1 1/4 mile from Wrigley Drive on road to Renton Mine (head of right fork of Pebbly Beach canyon) 305 Comment
  SFV10345  Gnaphalium palustre M. L. Vincent 1963-3-5 315 Los Angeles San Fernando Valley Northridge. San Fernando Valley State College campus. In lawn behind greenhouse. 260 Comment
  POM358906  Gnaphalium palustre Anstruther Davidson 1809 Los Angeles E. Los Angeles. Comment
  RSA690963  Goodmania luteola J. Mark Porter, Laren Machen 2004-5-2 14095 Los Angeles Antelope Valley; along California Highway 138 (Avenue D) several miles W of Interstate 14. 704 Comment
  UCD98856  Grayia spinosa E. La Rue; R. Montijo 1991-4-2 91- 1 Los Angeles Palmdale. Property bounded on the N by Avenue M, on the W by 20th St. West, on the S by Avenue N, and on the E by 10th St. West; W of Hwy 14. 792 Comment
  UCR216365  Grindelia Dan S. Cooper 2010-6-6 610- 61 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Oak Canyon, Griffith Park 208 Comment
  POM359090  Grindelia robusta Edwin Kline 1924-6-9 s.n. Los Angeles Los Angeles, mesa and open ground W of City. Comment
  RSA656488  Guillenia lasiophylla Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 717 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
  UCR261363  Gutierrezia californica R. G. Swinney 2010-4-1 12166 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  POM49721  Hainardia cylindrica Le Roy Abrams 1902-6-20 2567 Los Angeles Ballona marshes near Mesmer. Comment
  UCR78093  Haplopappus squarrosus subsp. grindelioides David Charlton 1991-7-5 5508 Los Angeles San Gabriel Mtns., Elizabeth Lake Canyon, Lake Hughes Rd. bridge near Warm Spring Cyn. 396 Comment
  CAS-BOT-BC158027  Hedera helix Tim Ross; Steve Boyd 1990-5-29 2702 Los Angeles San Gabriel Mtns: Big Rock Creek. Vicinity of an old destroyed homestead on the W side of the riparian strip, just upstream from the Gaging Station (only the foundation and scattered rocks remaining.) Comment
  UCD132669  Hedypnois cretica Daryl Koutnik 1978-3-30 s.n. Los Angeles Northwest of intersection of Pacific Avenue and Culver Boulevard near base of Ballona Bluffs. 3 Comment
  RSA188503  Helenium bigelovii R. F. Thorne, John Olmsted 1965-8-26 35358 Los Angeles Angeles National Forest: along switchback below Guffy Camp on Blue Ridge 2470 Comment
  RSA0041743  Helenium bigelovii Timothy S. Ross 1990-8-17 3175 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  UC729473  Helenium puberulum Carl B. Wolf 1932-9-16 Los Angeles 100-150 ft w State Highway (Bryant Ranch, at extreme se corner of Pacific Western Oil Co. Lease) 1 Comment
  UCR124674  Helenium puberulum B. C. Templeton 1933-7-21 5043 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  UC579452  Helianthus gracilentus A. D. Gifford 1935-5-8 684 Los Angeles 2.5 mi s Warm Springs; Tehon Quadrangle, Elizabeth Lake Canyon 487 Comment
  UC881672  Heliotropium curassavicum F. R. Fosberg 1931-4-29 7166 Los Angeles mouth of Cottonwood Canyon; Santa Catalina Isl. 2 Comment
  SD39697  Heliotropium curassavicum Edith A. Purer 1931-9-15 2332 Los Angeles El Segundo Comment
  POM156364  Heliotropium curassavicum var. oculatum L. R. Abrams 1902-6-11 2513 Los Angeles Playa del Rey. Comment
  RSA139169  Hemizonia clementina Reid V. Moran 1958-9-15 6837 Los Angeles San Clemente Island, Wilson's cove. 50 Comment
  RSA515095  Hemizonia clementina Aaron Liston, Orlando Mistretta, Riesenberg 1989-8-29 801 -6 Los Angeles San Clemente Island, main dune area At Darter Road, NW part of island Comment
  RSA589319  Hemizonia fasciculata Timothy S. Ross 1995-5-21 8613 Los Angeles San Clemente Island: Broad clay terrace W of Pyramid Cove and E of Horse Beach Canyon, alt 1350ft SSW of slope triangulation point (781ft) and 12580ft W of Guds tri pt (1336ft) 174 Comment
  UCR11542  Hemizonia fasciculata subsp. ramosissima Harlan Lewis 1940-8-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns. Foothills, Los Angeles, Westwood; UCLA campus 183 Comment
  CATA3112  Herniaria hirsuta var. cinerea Amy Catalano 2016-5-20 115 Los Angeles Santa Catalina Island: Northwest end of bank below Lower Cape Canyon Reservoir 201 Comment
  LA34209  Hesperoyucca whipplei Peter H. Raven; Henry J. Thompson 14150 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, 4.1 mi NW of Tapia Park on road to Malibu Lake. 182 Comment
  CAS-BOT-BC143684  Heteromeles arbutifolia June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Pebbly Beach Summit Comment
  CAS-BOT-BC143694  Heteromeles arbutifolia Grant 1904-4-21 6174 Los Angeles [Avelon] Avalon Comment
  POM141327  Heteromeles arbutifolia C. F. Baker 1903-8-2 6517 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  SBBG31350  Heteromeles arbutifolia R. F. Thorne with P. C. Everett 1965-6-22 Los Angeles S of Avalon Golf Course 91 Comment
  SD49388  Heteromeles arbutifolia var. macrocarpa Reid Moran 1959-3-9 7166 Los Angeles Canyon 2 miles SE of Eel Point, San Clemente Island 99 Comment
  CAS-BOT-BC318858  Heterotheca grandiflora W. R. Dudley 1895-1-4 s.n. Los Angeles San Pedro Harbor Comment
  RSA0075834  Heterotheca grandiflora Louis C. Wheeler 1966-9-21 8900 Los Angeles San Gabriel Mountains, north fork San Gabriel River, 1/4 mi. west of intersection of main road with road to upper Bichota Canyon. 930 Comment
  RSA0048636  Heuchera sanguinea Jack Pepper 1953-4-10 s.n. Los Angeles Cheviot Hills. Comment
  RSA0066339  Hirschfeldia incana S. Koukol, R. Koukol 1998-5-3 34 Los Angeles La Verne, Foothill Blvd., 75 m W. of Wheeler Avenue. 344 Comment
  SD215402  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles Liebre Mountains Region: Southern edge of the Antelope Valley at the north base of Portal Ridge, along 180th Street West near the California Aqueduct, east of mouth of Broad Canyon. 914 Comment
  RSA449806  Holodiscus microphyllus L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy, Angeles National Forest, [San Gabriel Mountains]. 3049 Comment
  UCR194631  Holodiscus microphyllus R. G. Swinney 1998-8-13 6738 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR232376  Hordeum depressum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 8001 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, c. 100 m east of Sierra Highway, 190 m west of 10th St, 535 m north of Ave C and one km south of Ave B 704 Comment
  RSA0070324  Hordeum murinum R. G. Swinney 2010-5-7 12605 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
  SFV21389  Hordeum murinum subsp. glaucum L. Gross, J. Gross, J. Gross, Jr., M. Gross 2002-4-27 532 a Los Angeles San Gabriel Mountains West Fork San Gabriel River, Valley Forge Campground. 1057 Comment
  UCD86244  Hordeum murinum subsp. glaucum Daryl Koutnik 1978-4-28 s.n. Los Angeles 6922 Hesperia Avenue, Reseda. 213 Comment
  POM352466  Hordeum murinum subsp. leporinum Edwin Kline 1924-5-16 s.n. Los Angeles Los Angeles. Comment
  SEINET4670389  Hordeum murinum subsp. leporinum G. Grant 1901 to 1905 594 Los Angeles Pacific coast, Pasadena Comment
  CAS-BOT-BC172783  Hordeum vulgare Timothy S. Ross; Steve Boyd 1994-5-4 7633 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  RSA127852  Horkelia cuneata subsp. cuneata Peter H. Raven 1959-4-18 13998 Los Angeles Santa Monica Mountains, Point Dume, sandy field behind point. 24 Comment
  RSA611622  Horkelia cuneata subsp. puberula Damian Ross 1997-3-29 21 Los Angeles Bernard Biological Field Station, Claremont Colleges. NE side of Phake Lake. 412 Comment
  UC860571  Horkelia cuneata subsp. puberula Louis C. Wheeler 1932-5-23 753 Los Angeles San Gabriel Wash at Arrow Highway; San Gabriel Wash at Arrow Highway 106 Comment
  SD65467  Horkelia rydbergii Reid Moran 1967-7-22 14087 Los Angeles canyon south of Chilao, San Gabriel Mountains 1550 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
  RSA596809  Hypochaeris glabra Timothy S. Ross, J. Mark Porter 1995-5-4 8483 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA639175  Hypochaeris glabra L. C. Wheeler 1967-7-6 9932 Los Angeles San Gabriel Mountains: San Dimas Canyon. 441 Comment
  LA202295  Iris pseudacorus Arthur C. Gibson; 2005-5-14 5046 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, Cold Creek Preserve Comment
  RSA248897  Isocoma menziesii R. F. Thorne 1973-4-12 42922 Los Angeles San Clemente Island, Horse Cove, S end of island. 3 Comment
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Jun 24 2014
  SBBG105364  Isocoma menziesii H. L. Ferguson 1981-4-20 251 Los Angeles mouth of Horse Cyn 38 Comment
  UC87190  Isocoma menziesii var. vernonioides T. S. Brandegee 1883-8-1 Los Angeles Newhall Comment
  UCR100427  Isomeris arborea Scott D. White 1997-11-5 6016 Los Angeles Malibu Coast, Mouth of Trancas Canyon, north of Pacific Coast Hwy (= Calif. Hwy 1) 8 Comment
  RSA626104  Isopyrum occidentale LeRoy Gross 1999-4-10 131 Los Angeles Sierra Pelona: Along the Pacific Crest Trail, north side of the crest. 1372 Comment
  RSA279011  Iva axillaris R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42188 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  SBBG108994  Jepsonia malvifolia S. A. Junak 1996-10-1 SCl 691 Los Angeles E side of upper Horse Cyn, in southernmost of 2 small side cyns 499 Comment
  CAS-BOT-BC133203  Juglans californica A. C. Sanders; R. E. Riefner, Jr. 2009-8-18 37169 Los Angeles San Gabriel Valley: Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  UCR132319  Juglans californica John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 366 Comment
  UCSB996  Juglans californica McElwain, I. 1953-3-29 Los Angeles 1/4 mi north of 18000 Bull Canyon Road; Granada Hills 457 Comment
  CHSC98612  Juglans californica var. californica LeRoy Gross; Valerie Soza 2001-5-31 392 Los Angeles Los Angeles Basin: Verdugo Mountains Regions: Southeast side. Along Las Flores Mountain Way, dirt road south of Polaris Dr. Pasadena. Collected along road. 396 Comment
  SFV839  Juglans californica var. californica P. G. Kilburn 1958-3-7 651 Los Angeles Santa Monica Mountains Old Topanga Canyon, beside road across from Cephalopod pit. Comment
  CAS-BOT-BC518750  Juglans hindsii R. E. Riefner, Jr. 2014-5-10 14 -114 Los Angeles San Fernando Valley, City of Los Angeles. Sepulveda Flood Basin, Sepulveda Basin Wildlife Area, vicinity Haskell Creek at Woodley Park, E of Woodley Ave., W of San Diego Freeway, N of Burbank Blvd. 227 Comment
  RSA596704  Juglans hindsii Steve Boyd, Lauren Raz 1996-9-24 8928 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  UCR187101  Juncus balticus A. C. Sanders 2006-5-16 32335 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  SBBG131559  Juncus bufonius S. A. Junak 1999-7-15 SCa 1030 Los Angeles Bulrush Cyn 237 Comment
  UCR210121  Juncus bufonius R. G. Swinney 2008-7-24 9338 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UC1594378  Juncus bufonius Tim Ross 1992-4-16 6202 Los Angeles 289 degrees wnw, 680m distant from peak above Stone Station (central part of San Clemente Island); San Clemente Island 416 Comment
  RSA698754  Juncus macrophyllus LeRoy Gross, Paul Morton 2004-6-9 1364 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1642 Comment
  RSA368130  Juncus mexicanus Anonymous 1978-6-21 1030 Los Angeles Hungry Valley, about 0.5 mile west of Gorman. 1220 Comment
  SD227688  Juncus rugulosus Scott D. White 1997-5-14 5144 A Los Angeles Big Tujunga wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mtns. SW of I-210 Freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  UCR219922  Juncus rugulosus R. G. Swinney, Jane Strong 2009-4-21 10401 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
  RSA589091  Juncus rugulosus Orlando Mistretta 1994-9-13 1468 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980 1213 Comment
  RSA70061  Juncus rugulosus F. W. Peirson 1924-8-23 5057 Los Angeles west fork of San Gabriel River 411 Comment
  SD230118  Juncus saximontanus Louis C. Wheeler 1967-9-17 Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  RSA550429  Juncus tiehmii Timothy S. Ross 1992-7-10 6663 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  RSA754210  Juncus xiphioides Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1789 Los Angeles edge of San Dimas Creek along trail next to the gate 454 Comment
  SEINET11787905  Juncus xiphioides S. M. Tracy, Evans 1887-1 s.n. Los Angeles Los Angeles Comment
  RSA305937  Juniperus californica Fay A. MacFadden 1933-3-15 s.n. Los Angeles Tejunga [sic] Wash, near Stonehurst Comment
  CAS-BOT-BC235756  Keckiella cordifolia Reid Moran 1941-2-26 629 Los Angeles Johnson's Valley, Santa Catalina Island Comment
  UCD123816  Keckiella cordifolia Louis C. Wheeler 1932-6-16 829 Los Angeles Liveoak Wash, 2 miles northeast La Verne. 403 Comment
  UCR111525  Keckiella cordifolia A. C. Sanders, D. Malueg 1998-6-22 22034 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  CAS-BOT-BC246110  Keckiella ternata var. ternata J. Ewan 1931-7-4 4741 Los Angeles 2 miles above Gold Creek Road, Pacoima Canyon, San Gabriel Mts. Comment
  CAS-BOT-BC246111  Keckiella ternata var. ternata Geo. L. Moxley 1913-8-31 182 Los Angeles Summit of Mt. Wilson Comment
  CAS-BOT-BC246117  Keckiella ternata var. ternata W. R. Dudley 1900-7-9 s.n. Los Angeles Near summit of Mt. Lowe, San Gabriel Mountains Comment
  UC1584061  Keckiella ternata var. ternata Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4041 Los Angeles nne of Tie Summit Station (e of Angeles Forest Highway); San Gabriel Mountains, Tujunga Ranger District 1566 Comment
  LA98922  Koeleria macrantha John O'Leary; April 1979 sn Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, 0.25 mi N of Pacific Coast Hwy. 121 Comment
  UCR2498  Koeleria macrantha George B. Grant 1906-6-16 s.n. Los Angeles San Gabriel Mtns, Summit of Mt. Wilson 1829 Comment
  RSA0103866  Kopsiopsis strobilacea Bonnie C. Templeton 1959-5-31 8259 Los Angeles On Mt. Baldy, San Gabriel Mountains. Comment
  OBI6969  Krascheninnikovia lanata Shirley Vaughan 1974-5-11 32 Los Angeles 10th st. E and Kettering St., Lancaster 718 Comment
  SFV1093  Krascheninnikovia lanata K. A. Wilson 1962-5-12 1273 Los Angeles Mojave Desert Antelope Valley. Valyermo Road, 2 miles southeast of 131st St. East in Pearblossom. 1070 Comment
  RSA603404  Lactuca serriola L. C. Wheeler 1975-8-22 s.n. Los Angeles San Gabriel Mountains: North side Sunset Ridge by Millard Canyon, by power line. Comment
  RSA188063  Lamarckia aurea R. F. Thorne 1966-4-4 35791 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  RSA729191  Lamarckia aurea R. G. Swinney 1999-5-15 7170 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  SEINET11678606  Lamarckia aurea I. W. Clokey, Templeton, B. 1929-1 4512 Los Angeles Mandeville Canyon, Santa Monica Mountains 400 Comment
  PASA1161  Lamium amplexicaule Dr. R. J. Dobba 1927-3-21 Los Angeles Michilinda Comment
  SEINET12276209  Lantana involucrata J. F. Bright, Wyman, C. 1931-1 5693 Los Angeles Hollywood Comment
  CAS-BOT-BC338110  Lasthenia californica Geo. B. Grant 1903-4-23 s.n. Los Angeles Saugus Comment
  CAS-BOT-BC338111  Lasthenia californica Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  POM50716  Lasthenia coronaria L. R. Abrams 1901-04 1234 Los Angeles Ballona Harbor Comment
  SBBG17369  Lasthenia gracilis K. A. Wilson 1962-3-25 1258 Los Angeles Soledad Cyn, W of Bee Cyn, N of River's End Ranch Comment
  POM12311  Lasthenia gracilis F. L. Robinson 54 Los Angeles Claremont Comment
  SBBG131498  Lasthenia gracilis S. A. Junak, B. Collins 1991-4-24 SCI 183 Los Angeles W side of W Shore Rd 36 Comment
  UC557666  Lasthenia gracilis Nell Murbarger 1936-3-1 30 Los Angeles on the mesa summit and a few hundred feet down the e and w slopes of the island, San Clemente Island San Clemente Island Comment
  SBBG131557  Lathyrus S. A. Junak 2000-4-15 SCa 1195 Los Angeles E Summit Rd, ca. 0.1 mi inland from gate at Wrigley Memorial 304 Comment
  SEINET10973248  Lathyrus latifolius Thompson 1959-4-19 Thompson 1938 Los Angeles Plants of the santa monica mts. Corolla white or pale cream, banner streaked With violet, herbaceous, perennial vine; burred area under quercus agrefolic. Mulholland hwy, 1 mi w of las virgenes rd. Malibu creek drainage. 274 Comment
  SBBG133426  Lathyrus odoratus J. Shute, K. Merrill, E. Havstad 2011-5-3 SERG 11 -53 Los Angeles E of VC3 off ridge rd to the S by concrete ruins of a building Comment
  RSA405726  Lathyrus vestitus subsp. alefeldii C. B. Liter 1928-4-4 s.n. Los Angeles Catalina Island. Comment
  RSA632951  Lathyrus vestitus var. vestitus Valerie L. Soza, Kent Hughes 1999-6-17 547 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  UC520362  Lavatera assurgentiflora subsp. assurgentiflora Louis C. Wheeler 1932-8-28 1307 Los Angeles Puddingstone Dam , Puddingstone Dam (San Jose Hills) 274 Comment
  CAS-BOT-BC321538  Layia glandulosa Timothy S. Ross; Victor W. Steinmann 1995-5-8 8559 Los Angeles Liebrel Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  RSA630365  Layia glandulosa L. C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1220 Comment
  UCR96331  Layia glandulosa B. G. Pitzer 1996-4-20 2687 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
  RSA594969  Layia glandulosa Timothy S. Ross 1995-4-26 8378 B Los Angeles Southwesterly slope of Liebre Mountain along Forest Service Road 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft). 1439 Comment
  UC1348961  Layia platyglossa Robert F. Thorne 1966-4-4 35779 Los Angeles ne of Isthmus Cove Blue Cavern Point; Santa Catalina Island 30 Comment
  SD60416  Layia platyglossa subsp. campestris Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island; lower end of Bullrush Canyon. 199 Comment
  SDSU11836  Lemna cyclostasa A. H. Gallup 1949-3-5 326 Los Angeles Lacsa, in quiet water below lake. 152 Comment
  UCR178903  Lemna minima 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
  SEINET7844098  Lepechinia fragrans James Henrickson, Barry Prigge 18843 Los Angeles Santa Monica Mountains: ca. 5 mi S of Hwy 101 off Topanga Canyon Rd. Comment
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Oct 1 2019
  RSA715798  Lepidium densiflorum Scott D. White, Andrea Warniment 2006-7-6 11605 Los Angeles Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. 1113 Comment
  RSA657224  Lepidium densiflorum Patricia Kouo 1994-4-27 944108 Los Angeles 3 miles south of I-10, and 1 mile northo f I-60. On the West side of Rosemead Blvd, at the most southern lake. Comment
  SFV18076  Lepidium didymum P. M. Schiffman 2000-4-27 s. n. Los Angeles Point Dume, Zuma Lagoon. Comment
  SD253418  Lepidium fremontii R. G. Swinney 2011-4-1 14302 B Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon , 0.4 mile south of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 890 Comment
  UCD115667  Lepidium fremontii M. Vincent 1962-5-19 244 Los Angeles One mile from Pearblossom turn off to Valyermo. Comment
  RSA534122  Lepidium lasiocarpum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5085 Los Angeles San Clemente Island. Sand dunes of coastal terrace at West Cove, SW of the new landing field 6 Comment
  UCD115684  Lepidium lasiocarpum subsp. lasiocarpum Daryl Koutnik; Vickie Dawes 1978-4-20 389 Los Angeles North Hollywood at the intersection of Laurel Canyon Blvd. and Stagg Street. 243 Comment
  RSA670280  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena. 335 Comment
  UCR129413  Lepidium latifolium A. C. Sanders, Mark Elvin 2002-6-20 25249 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
  UCR217406  Lepidium latifolium David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW corner of area 698 Comment
  CAS-BOT-BC12475  Lepidium nitidum R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-3-27 729 Los Angeles Antelope Valley Poppy Preserve. Off Highway 138, about 13 miles west of Lancaster. 868 Comment
  RSA485846  Lepidium nitidum T. S. Elias, Orlando Mistretta 1988-2-10 10663 Los Angeles San Clemente Island, near top of Marine Terrace Grade Comment
  CAS-BOT-BC12817  Lepidium perfoliatum Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 988 Los Angeles Mojave Desert. Antelope Valley. Comment
  SBBG113145  Lepidium strictum S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 394 Los Angeles lower portion of Cherry Cyn, just inland from salina at cyn mouth 6 Comment
  UC2029958  Lepidium virginicum Valerie Soza, LeRoy Gross 2001-5-14 1222 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. Comment
  UCR125618  Lepidium virginicum A. C. Sanders 2003-5-22 26809 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
  RSA596046  Lepidospartum squamatum Timothy S. Ross, J. Mark Porter 1995-5-4 8405 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UC527606  Lepidospartum squamatum C. B. Wolf 1931-6-25 2238 Los Angeles sw of Los Angeles Botanic Garden Mandeville Canyon; Beverly Blvd 60 Comment
  UC450913  Leptodactylon californicum Fay A. MacFadden 1931-3-26 8 E Los Angeles n side Tuna Canyon (Verduga Hills); , n side Tuna Canyon Comment
  UC881520  Leptodactylon californicum Marcus E. Jones, A. M. 1882-5-2 3209 Los Angeles Pasadena Comment
  HSC79975  Leptosiphon aureus James Henrickson 1973-5-12 9588 Los Angeles 9 mi. SW of Little Rock, .2 mi. S of Mt. Emma Rd., along Hwy. N3 1189 Comment
  RSA235182  Leptosiphon breviculus C. W. Tilforth 1972-6-7 586 Los Angeles Running springs. 1829 Comment
  RSA579438  Leptosiphon breviculus T. S. Ross, D. L. Banks 1994-6-21 7993 Los Angeles Vicinity of Pacifico Mountain: saddle between the north fork Tie Canyon on the SW and a major NE-draining tributary of Santiago Canyon on the NE; ca 3160 m NW of Pac. Mtn's 7124-foot summit. 1646 Comment
  RSA73033  Leptosiphon breviculus F. W. Peirson 1922-7-5 4709 Los Angeles 0.5 mile east of Big Pines, San Gabriel Mtns. 2027 Comment
  SBBG64548  Leptosiphon liniflorus R. Hoffmann 1927-9-23 Los Angeles Neenach Comment
  LA32102  Lessingia filaginifolia var. filaginifolia Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  SFV21786  Lessingia glandulifera var. glandulifera J. N. Hogue 2010-8-21 372 .1 Los Angeles San Gabriel Mountains South Fork Little Rock Creek near Pinyon Flats. 1640 Comment
  UC166733  Lessingia glandulifera var. glandulifera unknown 1906-9-14 Los Angeles Pasadena Comment
  UCR62107  Lessingia glandulifera var. glandulifera 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
  RSA0042670  Lessingia glandulifera var. glandulifera S. Kaatmann 1998-10 12 Los Angeles Pitzer College Arboretum. The interior of the Outback, near the path closest to the western boundary. 350 Comment
  CAS-BOT-BC272299  Leymus X multiflorus Le Roy Abrams 1901-5-1 1671 Los Angeles Near Ballona Harbor Comment
  SEINET251715 Image available Leymus cinereus David Charlton, Mark Hagen 1989-6-30 3256 A Los Angeles Western Mojave Desert: southwest of Piute Ponds, Edwards Air Force Base (Rosamond 7.5' Q.:). 700 Comment
  SBBG31150  Leymus triticoides R. F. Thorne 1966-4-29 36269 Los Angeles Middle Ranch Cyn along rd to Ben Weston Beach 60 Comment
  RSA656673  Lilium humboldtii subsp. ocellatum G. Pitto 1980-6-8 50 Los Angeles At base of trail, south end of Hinderberg Park [Crescenta Valley Park] bottom of Dunsmore Ave. La Crescenta. 518 Comment
  RSA250561  Lilium parryi Robert F. Thorne, John Dourley 1967-10-3 37278 Los Angeles Mt. Baden-Powell: Lamel Spring 2378 Comment
  UCR190382  Linanthus breviculus R. G. Swinney 2001-4-18 7918 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  CDA40054  Linanthus californicus T. C. Fuller 1965-4-26 13376 Los Angeles East slope of Saddle Peak, Tuna Canyon Road above Fernwood Pacific Drive, 2.7 miles west of Topanga. 0 Comment
  CATA2071  Linanthus dianthiflorus Steven A. Junak 1978-4-15 9 Los Angeles Santa Catalina Island: Just E of 1901 Chester grave, N side of Cherry Cove 0 Comment
  LA81937  Linanthus dianthiflorus O. H. Kappler; 1941-4-21 231 Los Angeles Santa Monica Mountains, W fork Trancas (Rattlesnake) Canyon, near Lechusa Fire Station 457 Comment
  LA212129  Linanthus dianthiflorus K. Kneen; 1933-4-11 s.n. Los Angeles Westwood, UCLA campus. "Faculty Hill". Comment
  RSA187835  Linanthus dianthiflorus subsp. dianthiflorus R. F. Thorne 1966-4-4 35757 Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus 61 Comment
  UCD118536  Linanthus dichotomus Dan Axelrod 1932-3-21 s.n. Los Angeles 2 miles E of Fairmont, Antelope Valley. Comment
  POM277117  Linanthus dichotomus subsp. dichotomus E. S. Steele, G. F. Pratt 1934-3-21 7016 Los Angeles Northwest of Lancaster, Mojave Desert. Comment
  UC23698  Linanthus liniflorus J. Burtt Davy May 9 1896-May 24 1896 2538 Los Angeles Manzana Antelope Valley Comment
  RSA772524  Linanthus parryae R. G. Swinney 2009-5-13 10761 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  UCR124025  Linanthus parryae George K. Helmkamp, E. A. Helmkamp 2001-5-2 6660 Los Angeles Western Mojave Desert, Antelope Valley, 0.1 mi west of Calif. Hwy 138 on Ave. W, then 0.3 mi S on [180th St. East] dirt road 976 Comment
  UC23762  Linanthus parviflorus J. Burtt Davy May 9 1896-May 24 1896 2632 Los Angeles Leonis Valley Antelope Valley Comment
  UCR124406  Linaria canadensis var. texana B. C. Templeton 1968-2-25 11385 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  RSA533972  Linaria canadensis var. texana Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5181 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 442 Comment
  LA51397  Lithophragma affine Peter H. Raven; Henry J. Thompson 1960-4-24 15124 Los Angeles 609 Comment
  UC998921  Lithophragma affine P. O. Schallert 1944-4-20 Los Angeles Monrovia Canyon Comment
  UCR199960  Lithophragma affine subsp. mixtum Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1154 Los Angeles Transverse Ranges: Verdugo Mountains, ridgetop above McDonald Creek 396 Comment
  RSA0086826  Lithophragma bolanderi R. G. Swinney 2011-5-3 14562 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA659683  Lobularia maritima Chris White 1991-5-20 25 Los Angeles Point Fermin Comment
  UCR4159  Lobularia maritima R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns. Foothills, Pasadena, Arroyo Seco, just north of Jet Propulsion Laboratory 366 Comment
  RSA233551  Loeseliastrum matthewsii R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42104 Los Angeles San Gabriel Mountains, Angeles National Forest: c. 2.0 mi SE of Valyermo on road to Jackson Lake 1433 Comment
  SBBG98053  Logfia arizonica T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5218 Los Angeles vicinity of Knob, 5100 ft NW of Guds 251 Comment
  SD52881  Logfia arizonica Peter H. Raven 1962-5-8 17592 Los Angeles San Clemente Island, slopes above Seal Cove. 39 Comment
  SFV3916  Logfia filaginoides M. L. Vincent 1963-5-7 332 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
  SBBG31110  Logfia gallica R. F. Thorne 1966-4-30 36356 Los Angeles above Gallagher's Cyn 426 Comment
  POM156187  Lolium perenne subsp. multiflorum Le Roy Abrams 1902-6-12 2525 Los Angeles Ballona Creek, near Mesmer. Comment
  POM356945  Lolium perenne subsp. multiflorum Robert Gustafson 1981-4-29 2228 Los Angeles Ballona Wetlands, Area 2. Comment
  UCR211814  Lolium perenne subsp. multiflorum Valerie Soza, LeRoy Gross 2001-5-22 1238 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat 648 Comment
  UCR155625  Lomatium dasycarpum A. C. Sanders 2005-5-11 30137 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
  CHSC98729  Lomatium lucidum LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 958 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. 564 Comment
  RSA0119948  Lomatium lucidum R. G. Swinney 2014-5-21 16632 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  UC398767  Lomatium macrocarpum Katharine Brandegee 1916-1 Los Angeles Santa Catalina Isl. Comment
  RSA252876  Lomatium mohavense R. F. Thorne 1973-5-11 43516 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA570219  Lomatium mohavense T. S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5015 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA772284  Lomatium mohavense subsp. longilobum R. G. Swinney 2009-5-6 10654 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR177458  Lomatium mohavense subsp. longilobum LeRoy Gross 2005-4-28 2154 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  RSA588064  Lomatium mohavense subsp. mohavense Orlando Mistretta 1994-4-15 1047 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1036 Comment
  UCR56409  Lomatium utriculatum S. J. Myers, E. LaRue 1989-3-21 s.n. Los Angeles Western Mojave Desert, Palmdale area, Elizabeth Lake Road at California Aqueduct 887 Comment
  RSA97246  Lomatium vaginatum F. W. Peirson 1926-4-26 6647 Los Angeles Summit of Mint Canyon Grade, northwest part of San Gabriel Mts. Comment
  UC662465  Lonicera confusa Katherine D. Jones 1941-8-18 Los Angeles Evans and Reeves, Beverley Hills Nursery, California. Comment
  POM88090  Lonicera interrupta A. D. E. Elmer 1902-06 3964 Los Angeles Acton. Mt. Gleason. 829 Comment
  RSA100195  Lonicera interrupta F. W. Peirson 1918-6-30 218 Los Angeles Mt. Wilson Road, south face of San Gabriel Mountains 1158 Comment
  RSA455357  Lonicera subspicata var. denudata B. C. Templeton 1930-5-27 8943 Los Angeles Near Mulholland Drive. North of Hollywood. Comment
  RSA608503  Lonicera subspicata var. denudata L. C. Wheeler 1930-5-31 48 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UC28539  Lonicera subspicata var. denudata J. H. Barber 1897-1-9 10 Los Angeles Santa Monica Canyon Comment
  POM276678  Lotus Arthur L. Cohen 1934-8-2 493 Los Angeles Beverly Drive, Santa Monica. 61 Comment
  RSA526553  Lotus argophyllus subsp. ornithopus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4239 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  RSA545284  Lotus argophyllus subsp. ornithopus D. Propst, Mark Hoefs 1973-3-3 43 Los Angeles Road just above Escondido, Santa Catalina Island. 244 Comment
  UC1211061  Lotus argophyllus var. argenteus Huron H. Smith 1912-5-29 5020 Los Angeles Summit Road Santa Catalina Island 365 Comment
  UC1129243  Lotus crassifolius var. crassifolius Jerome S. Horton 1935-7-18 229 Los Angeles Sunset Peak Cucamonga Quad. 1676 Comment
  UC457227  Lotus grandiflorus Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mountains Comment
  RSA776784  Lotus heermannii var. heermannii Orlando Mistretta, Christine Mistretta 2010-6-15 5303 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  UCR154613  Lotus humistratus A. C. Sanders, T. B. Salvato 2005-4-26 29761 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  UCR187232  Lotus humistratus A. C. Sanders 2006-4-25 32189 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UCR223297  Lotus nevadensis R. G. Swinney 2009-7-29 11419 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  RSA586475  Lotus nevadensis var. davidsonii Orlando Mistretta 1995-6-20 1786 Los Angeles Bare Mountain Canyon. Head of drainge E of Pacifico mtn at end of Forest Rd 3N7E. 2073 Comment
  UCR203245  Lotus oblongifolius R. G. Swinney 2005-7-11 8298 Los Angeles San Gabriel Mountains, Juniper Hills, Pallet Creek 0.4 mile south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
  SEINET3131507  Lotus oblongifolius var. oblongifolius G. B. Grant 1904-6-17 710 Los Angeles Pasadena Comment
  RSA17983  Lotus procumbens var. procumbens P. A. Munz 1923-5-27 6872 Los Angeles Rock Creek 1296 Comment
  IRVC28579  Lotus purshianus A. C. Sanders, Mark Elvin 2002-6-19 25158 Los Angeles 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 NE end of Santa Susana Mtns. 305 Comment
  RSA187884  Lotus salsuginosus R. F. Thorne 1966-4-5 35856 Los Angeles Above stream in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  POM243728  Lotus salsuginosus F. R. Fosberg 1931-3-26 S- 4386 Los Angeles Santa Catalina Island. Sea bluffs W Hamilton Cany[on]. 90 Comment
  RSA406806  Lotus salsuginosus var. salsuginosus F. R. Fosberg 1931-3-24 S- 4352 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 80 Comment
  RSA54168  Lotus scoparius var. brevialatus C. B. Wolf 1931-7-2 s.n. Los Angeles Little Tujunga Wash 1/2 mile above the bridge on the road from Sunland to San Fernando. 335 Comment
  RSA530047  Lotus strigosus T. S. Ross 1991-8-16 5832 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA702376  Lotus strigosus Scott D. White, Pam De Vries 2004-5-18 10413 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
  UCR152905  Lotus strigosus A. C. Sanders, Helen Kennedy 2005-4-13 29437 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR270936  Lotus strigosus R. G. Swinney 2011-6-14 15123 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  CAS-BOT-BC8395  Lotus sulphureus Anstruther Davidson 1892-8-1 s.n. Los Angeles Wilson's Peak Comment
  SEINET13387096 Image available Lotus unifoliolatus var. unifoliolatus R. G. Swinney 2011-1 15759 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  UCR209433  Lotus wrangelianus Dan S. Cooper 2009-2-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  CAS-BOT-BC201195  Lupinus Charles Piper Smith 1923-7-16 3786 Los Angeles Newhall Tunnel Hills Comment
  RSA0085065  Lupinus Lyman Benson 1945-4-14 11675 Los Angeles Claremont. 351 Comment
  RSA738048  Lupinus James W. Raymond 1960-3-20 s.n. Los Angeles Hansen Dam Comment
  LA205016  Lupinus albifrons R. Herley; 1932-3-26 sn Los Angeles Santa Catalina Island Comment
  SD262278  Lupinus albifrons Mitch Provance 2017-6-30 617 39 Los Angeles Catalina Island: Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  SEINET10488412  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x arb. Hyb. (1) Comment
  RSA0061213  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042003 Los Angeles Templin Hwy off I-5. 258 Comment
  RSA407014  Lupinus albifrons var. eminens N. C. Cooper 1945-5-1 2176 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA339701  Lupinus bicolor R. F. Thorne 1982-4-20 55000 Los Angeles San Gabriel Mts: Grassy slopes above Little Rock Creek below dams 976 Comment
  SBBG96987  Lupinus bicolor S. Boyd with T. Ross, L. Arnseth 1990-4-8 4348 Los Angeles near Malo Pt Comment
  UC1537130  Lupinus bicolor Gordon H. True Jr. 1936-3-27 175 Los Angeles foothills 5 mi w Palmdale; w of Palmdale 914 Comment
  RSA756181  Lupinus bicolor Orlando Mistretta 2008-4-3 2268 Los Angeles Transverse Ranges; Liebre Mountains region: Southern California Edison transmission line tower (Segment 5, Structure 62, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass. Comment
  POM350034  Lupinus bicolor subsp. microphyllus L. C. Wheeler 1933-4-7 1627 Los Angeles Temple City. 107 Comment
  POM350058  Lupinus bicolor subsp. microphyllus M. Bisbee 1917-4-10 s.n. Los Angeles Hill Ave. Eagle Rock Comment
  RSA527750  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4316 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SEINET10484888  Lupinus bicolor subsp. microphyllus David B. Dunn 1946-4-20 Dunn 2149 Los Angeles Station 65, west margin of Mohave Desert. Comment
  RSA101180  Lupinus bicolor subsp. tridentatus David B. Dunn, C. Epling 1946-4-19 2121 Los Angeles 5 miles S of LA Honor Farm Ridge. route Hwy 99 762 Comment
  UC625152  Lupinus concinnus F. R. Fosberg 1931-3-27 S 4413 Los Angeles n wall Hamilton Canyon, Santa Catalina Island (Santa Catalina Island); , Hamilton Canyon 120 Comment
  SEINET10488652  Lupinus concinnus Robert F. Thorne 1982-4-20 Thorne 54979 Los Angeles San gabriel mtns: mojave desert slopes; 1/4-1/2 mi n of bob's gap, n slope of holcomb ridge, about 2.5 mi due s of llano, in juniper-joshua tree woodland. Annual in sandy wash. 1158 Comment
  SEINET2062844 Image available Lupinus densiflorus var. lacteus Mary V. Hood 1945-5-1 2246 Los Angeles Tapia Park area, Santa Monica Mts. 762 Comment
  UCR14487  Lupinus elatus George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest, on Calif. Hwy 39 2134 Comment
  UCR270679  Lupinus elatus R. G. Swinney 2011-8-17 15645 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  SEINET10490382  Lupinus excubitus subsp. austromontanus Lyman D. Benson 1963-5-3 Benson 16257 Los Angeles Tejon ranch, 1 mile e of state route 138 and us99 near gorman; pacific slope, Granitic soil; pacific grassland; s slope; tehachapi mt. Range 1219 Comment
  CAS-BOT-BC216668  Lupinus excubitus subsp. hallii Alice M. Ottley 1920-5-6 606 Los Angeles Fish Canon [Canyon] 685 Comment
  UCR281672  Lupinus excubitus var. excubitus R. G. Swinney 2014-4-10 16057 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  UC285022  Lupinus formosus P. A. Munz 1923-5-26 6856 Los Angeles Vincent Gulch; San Gabriel Mts., Vincent Gulch 1981 Comment
  SD157643  Lupinus formosus Darley F. Howe Apr 1915 64 Los Angeles Claremont Comment
  SD82956  Lupinus formosus R. F. Thorne, M. Z. Thorne 1969-7-9 38505 Los Angeles San Gabriel Mountains; Angeles National Forest. 2133 Comment
  RSA753967  Lupinus formosus var. formosus Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54990 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  POM305760  Lupinus formosus var. formosus H. J. Ramsey 1937-3-26 964 Los Angeles Pacoima Canyon, near San Fernando, Angeles National Forest. Comment
  SDSU4978  Lupinus guadalupensis R. M. Beauchamp 1967-3-18 262 Los Angeles East of Bluff. San Clemente Island. Comment
Read comments
May 16 2008
  RSA703624  Lupinus hirsutissimus Tim Thibault, Ryan Gilmore 2004-4-29 238 Los Angeles Dry Lake Canyon, between tunnels W of Mt. Baldy Road 974 Comment
  UCR281361  Lupinus hirsutissimus R. G. Swinney 2014-5-15 16514 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
  POM2423  Lupinus longifolius Crawford, Otis Hiatt 1916-3-28 703 Los Angeles Santa Monica Mts. Foothills near city Comment
  RSA599894  Lupinus longifolius L. C. Wheeler 1936-6-8 4144 Los Angeles San Gabriel Mountains: Mouth of Monroe Canyon.. 548 Comment
  RSA91320  Lupinus longifolius F. W. Peirson 1923-2-10 543 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  SEINET10485605  Lupinus longifolius David B. Dunn 1957-4-7 Dunn s.n. Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. 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
  RSA0034183  Lupinus microcarpus Pam De Vries 2013-4-17 7851 Los Angeles About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1036 Comment
  SBBG69056  Lupinus microcarpus var. densiflorus R. Hoffmann 1930-6-6 Los Angeles Piru Crk Comment
  OBI48492  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1346 Los Angeles Hwy 138 and 26th Ave in Palmdale Comment
  RSA0055060  Lupinus succulentus Jim Shevock 1970-3-23 51 Los Angeles Foothills of San Gabriel Mountains. 304 Comment
  RSA226534  Lupinus succulentus C. W. Tilforth 1969-4-30 187 Los Angeles West side of Colima Ave Just north of Hacienda Blvd intersection north of Whittier. Comment
  RSA414303  Lupinus succulentus F. R. Fosberg 1931-3-27 4414 Los Angeles Pebble Beach Road, Santa Catalina Island. 5 Comment
  SD84827  Lupinus succulentus Reid Moran 1941-3-2 666 Los Angeles Santa Catalina Island; between Wilson's Cove and Howlands. 24 Comment
  UCR205104  Lupinus truncatus R. G. Swinney 2008-4-11 8666 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA182331  Lupinus truncatus J. D. Olmsted 1962-4-20 3418 Los Angeles Johnstone Park burn, from west fork of San Dimas Creek to Wolfskill falls. 457 Comment
  UCD109649  Lupinus truncatus Raymond A. Evans 1949-4-19 s.n. Los Angeles San Dimas. Comment
  UCSB3367  Lupinus truncatus Wedberg, H. 1957-4-6 Los Angeles Mouth of Las Flores Canyon Comment
  LA209637  Lycium andersonii A. M. Johnson; 1932-4-17 3973 Los Angeles 6 mi. W of Palmdale Comment
  LA51849  Lycium californicum W. O. Griesel; 1936-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Comment
  RSA341620  Lycium californicum F. C. Boutin 1967-4-24 1702 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  RSA281207  Lycium ferocissimum T. C. Fuller 1979-1-16 20255 Los Angeles Playa del Rey, 400 m north of 431 East Culver Blvd. Comment
  UCD34119  Lycium torreyi Beecher Crampton 1976-9-22 9423 Los Angeles Mojave Desert, San Gabriel Mtns., ca. 10 miles N.W. of Phelan. Comment
  CAS-BOT-BC142288  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-21 17816 Los Angeles Lower end of Bullrush Canyon - Santa Catalina Island 198 Comment
  RSA589866  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara 1994-8-4 8209 Los Angeles Santa Catalina Island. SW side of the island, 460m ENE of Carlos triangulation point (972 ft) and 2080m NNW of Quartz triangulation point (1252 ft) 207 Comment
  SBBG51687  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62 -475 Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  UCR210321  Lythrum californicum R. G. Swinney 2008-11-29 9852 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA230671  Machaeranthera canescens var. canescens R. F. Thorne, M. Z. Thorne 1969-7-9 38539 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  LA38636  Madia exigua Henry J. Thompson; 1959-5-24 2021 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  RSA3747  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
  UC1430061  Malacothamnus clementinus Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22697 Los Angeles China Canyon; San Clemente Island, China Canyon 130 Comment
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Aug 31 2006
  RSA433278  Malacothamnus davidsonii Louis C. Wheeler 1933-8-5 2053 Los Angeles 2 miles NW Roscoe, San Fernando Valley 274 Comment
  SBBG118478  Malacothamnus davidsonii O. Mistretta 1992-7-14 723 Los Angeles Gold Cyn Trail; Tujunga Ranger District Comment
  LA30496  Malacothamnus fasciculatus Jane Turner; T. Mosquin 1958-11-16 C 49 Los Angeles 472 Comment
  POM243808  Malacothamnus fasciculatus F. R. Fosberg 1931-7-14 S- 5406 Los Angeles Whites Landing, Santa Catalina Island. 5 Comment
  UCR270537  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA730307  Malacothamnus fremontii R. G. Swinney 1998-9-4 6899 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  UCR75299  Malacothrix Scott D. White 1992-10-8 901 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  RSA606993  Malacothrix clevelandii L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1249 Comment
  UCR205582  Malacothrix clevelandii R. G. Swinney 2008-5-12 8826 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  CAS-BOT-BC345519  Malacothrix coulteri Timothy S. Ross 1991-4-27 4725 Los Angeles Black Butte: rocky easterly and northeasterly slopes 1091 Comment
  RSA251506  Malacothrix foliosa R. F. Thorne 1973-4-12 42908 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  SBBG20737  Malacothrix foliosa subsp. foliosa E. R. Blakley 1963-12-7 6324 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  POM82676  Malacothrix glabrata P. A. Munz 1925-4-23 9457 Los Angeles San Gabriel Canyon. 488 Comment
  SBBG18363  Malacothrix glabrata M. A. Piehl 1963-5-30 63504 Los Angeles St Hwy 138, ca. 1.5 mi W of SBD county line 1213 Comment
  RSA0073374  Malacothrix saxatilis R. G. Swinney 2010-3-16 11955 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  POM11776  Malacothrix saxatilis var. tenuifolia R. L. Pendleton, F. M. Reed 1909-7-2 2820 Los Angeles Santa Catalina Island. Road east of Avalon. 9 Comment
  POM156278  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1902-6-20 2568 Los Angeles Ballona marshes near Mesmer. Comment
  SBBG31294  Malacothrix saxatilis var. tenuifolia R. F. Thorne 1966-6-1 36469 Los Angeles Pebbly Beach Rd, SE of Avalon 7 Comment
  UCD134445  Malacothrix saxatilis var. tenuifolia G. H. Vansell 1936-6-1 s.n. Los Angeles Sawmill Mt. Comment
  CAS-BOT-BC347935  Malacothrix saxatilis var. tenuifolia L. E. Cox 1908-3-28 s.n. Los Angeles Catalina Island Comment
  RSA652782  Malosma laurina Monica Acosta 1998-5-25 41 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  UCR50039  Malva nicaeensis Lyman Benson 1946-4-30 12061 Los Angeles Puente Hills area, 5 mi. NE of Brea. 274 Comment
  RSA434876  Malva nicaeensis Anstruther Davidson 1919-06 3318 Los Angeles Temple and Bonnie Brae, Los Angeles Comment
  RSA0073368  Malva parviflora R. G. Swinney 2010-3-16 11963 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  SBBG13433  Malva parviflora E. R. Blakley 1962-6-10 5225 Los Angeles near the military camp, Wilson Cove 30 Comment
  RSA433878  Malvella leprosa Edwin Kline 1924-5-20 s.n. Los Angeles Los Angeles. Comment
  RSA0053885  Marah macrocarpa R. G. Swinney 2010-5-11 12638 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA440979  Marah macrocarpa Martha Hilend 1928-3-4 51 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  RSA213374  Marah macrocarpa Reid V. Moran 1947-2-16 573 Los Angeles Middle Ranch, San Clemente Island. Comment
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May 16 2008
  SD84919  Marah macrocarpa Mary H. Ward 1971-3-2 127 Los Angeles San Rafael hills, SW Pasadena, behind Linda Vista 305 Comment
  SEINET8551204  Marah macrocarpa G. B. Grant 1904-1 778 Los Angeles Pasadena. Comment
  PASA1165  Marrubium vulgare Annetta Carter 1929-1-6 Los Angeles Arcadia, mouth of Big San. Anita Can. Comment
  RSA409825  Marrubium vulgare T. S. Clare 1929-3-18 s.n. Los Angeles Topanga Canyon. Comment
  RSA579232  Marrubium vulgare Tim S. Ross, J. Mark Porter, H. H. Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7407 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  RSA724550  Matricaria matricarioides K. Dobry 1992-4-14 D- 367 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  CAS-BOT-BC422744  Meconella denticulata Louis C. Wheeler 1934-3-23 2466 Los Angeles San Dimas Canyon, San Gabriel Mts. 426 Comment
  LA36077  Meconella denticulata Peter H. Raven; Henry J. Thompson 1960-4-24 15121 Los Angeles 609 Comment
  RSA445534  Meconella denticulata Bonnie C. Templeton 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles Nat'l Forest. Comment
  POM348013  Medicago lupulina Thekla Mohr 1912-01 s.n. Los Angeles Los Angeles. Comment
  UCSB3432  Medicago lupulina 1940-5-20 Los Angeles Dalton Canyon, above Reservoir, San Dimas Experimental Forest, San Gabriel Mountains Comment
  UCR127888  Medicago polymorpha A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26109 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  OBI35717  Medicago polymorpha Rebecca Cicoria 1982-4-25 46 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling Hills Comment
  CHSC95426  Melia azedarach LeRoy Gross 2002-3-31 502 Los Angeles Los Angeles Basin region: Big Tujunga Was, southern front of the San Gabriel Mountains; Where the storm waters run down through Haines Canyon channel, east of Foothill Blvd. South side of wash. 366 Comment
  UCR126745  Melia azedarach A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26232 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  CAS-BOT-BC281538  Melica imperfecta Timothy S. Ross; Steve Boyd 1994-5-25 7936 Los Angeles Liebre Mts. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mt summit. These collections from ca 600-800 m WSW of summit 1075 Comment
  LA98900  Melica imperfecta E. R. Hobbs; 1979-5-6 79 -64 Los Angeles Devil's Punchbowl County Park Comment
  POM1214  Melica imperfecta I. M. Johnston 1917-5-6 1013 Los Angeles Evey Canyon mouth. [San Gabriel Mountains]. Comment
  RSA276033  Melica imperfecta Jack Delaini 1974-3-22 82 Los Angeles Lodi canyon, San Dimas experimental Forest 366 Comment
  SD260159  Melica imperfecta R. G. Swinney 2010-5-19 12811 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd, just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy. 1335 Comment
  RSA674540  Melilotus indicus LeRoy Gross 2003-2-22 736 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  SBBG98424  Melilotus indicus T. Ross 1991-5-22 5453 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  SD69379  Mentha spicata Robert F. Thorne 1966-9-14 36637 Los Angeles Santa Catalina Island; shallow water of small stream in lower Middle Ranch Canyon ca. 3/4 mi. above Ben Weston Beach. 174 Comment
Read comments
Apr 3 2012
  SBBG11639  Mentzelia affinis E. R. Blakley 1958-5-9 2273 Los Angeles hills 2 mi E of Gorman 1097 Comment
  UCR51071  Mentzelia affinis A. C. Sanders 1988-3-17 7728 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  RSA0094547  Mentzelia dispersa Richard G. Swinney 2011-6-6 15003 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  UCR271247  Mentzelia dispersa R. G. Swinney 2011-6-1 14969 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  UCR206428  Mentzelia laevicaulis R. G. Swinney 2008-6-10 8994 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  UC1234727  Mentzelia laevicaulis var. laevicaulis David P. Gregory 1961-7-12 471 Los Angeles over the ridge Wrightwood (near the stream in the botton of the canyon); San Gabriel Mts., Prarie Fork Comment
  RSA9407  Mentzelia micrantha P. A. Munz, R. D. Harwood 1920-4-29 3796 Los Angeles San Dimas Canyon. 457 Comment
  RSA250700  Mentzelia veatchiana Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39481 Los Angeles Mojave Desert: Ca. 2 miles south of Highway 138, 8 miles ESE of Pearblossom on Grandview Canyon Road. 1189 Comment
  RSA597455  Mentzelia veatchiana Tim S. Ross, Steve D. Boyd 1990-6-6 2829 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA599799  Mentzelia veatchiana Steve D. Boyd, Lauren Raz 1997-3-25 9291 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA131256  Mentzelia veatchiana Percy C. Everett, E. K. Balls 1959-5-22 23801 Los Angeles Antelope Valley, SE of Fairview, 1/2-1 mile, San Andreas Rift 854 Comment
  RSA587180  Mesembryanthemum nodiflorum Scott D. White 1995-12-5 3758 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  SD52972  Mesembryanthemum nodiflorum Peter H. Raven 1962-7-11 17995 Los Angeles San Clemente Island, just south of old airstrip Comment
  RSA617406  Micropus californicus Scott D. White 1998-5-19 6527 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR184110  Microseris douglasii A. C. Sanders, T. B. Salvato 2007-4-24 33476 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  IRVC26342  Microseris heterocarpa A. C. Sanders 2003-4-16 26021 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  RSA659743  Microseris heterocarpa Orlando Mistretta, E. Kellogg, Laurel Arnseth, Peter L. Morrell 1992-4-3 63 Los Angeles San Clemente Island. Comment
  UCR189271  Microseris lindleyi R. G. Swinney 1998-5-16 6083 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  RSA158340  Microseris lindleyi P. H. Raven 1962-4-9 17157 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  RSA232789  Microseris lindleyi R. F. Thorne 1966-4-17 36091 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  RSA618782  Microseris lindleyi L. C. Wheeler 1973-4-20 s.n. Los Angeles Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  RSA0044611  Microseris sylvatica A. C. Sanders 2007-4-19 33418 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  RSA469892  Microsteris gracilis Fay A. MacFadden 1931-03 2599 Los Angeles Mint Canyon, Palmdale side. Comment
  UC26711  Mimulus H. P. Chandler 1897-3-4 Los Angeles San Dimas 609 Comment
  LA105091  Mimulus aurantiacus Barry A. Prigge; 1988-7-3 8236 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  RSA725419  Mimulus aurantiacus K. Dobry 1991-5-20 599 Los Angeles West San Gabriel Mts. along Little Tujunga Rd up to Bear Divide. 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
  IRVC26935  Mimulus aurantiacus var. pubescens A. C. Sanders 2003-4-28 26086 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA442641  Mimulus aurantiacus var. pubescens F. Post 1931-4-1 s.n. Los Angeles Santa Susana Pass Comment
  RSA59143  Mimulus aurantiacus var. pubescens G. R. Campbell 1950-4-17 14584 Los Angeles Escondido Canyon, leading to Malibu Lake, ca. 5 miles above Highway Alt. 101. 457 Comment
  RSA668845  Mimulus aurantiacus var. pubescens Carl Wishner 2002-4-2 4230 Los Angeles Puente Hills (Whittier Hills portion), along Turnbull Canyon Road, 1,100 feet northwest of Workman Hill. 305 Comment
  UCD122372  Mimulus aurantiacus var. pubescens Gordon Pilone 1960-4-21 14 Los Angeles Little Dalton Canyon above Glendora. Mt. Range: San Gabriel. Drainage Area: Pacific Slope. 365 Comment
  UCR62094  Mimulus aurantiacus var. pubescens S. J. Myers, R. Montijo 1990-4-20 s.n. Los Angeles Powder Canyon, in city of La Habra Heights 245 Comment
  UC1018204  Mimulus aurantiacus var. pubescens J. Warren 1952-5-15 Los Angeles Fish Canyon 457 Comment
  UCR116291  Mimulus bigelovii B. G. Pitzer 1998-5-12 3704 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  RSA702438  Mimulus cardinalis Scott D. White 2004-7-28 10661 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SEINET3159643  Mimulus cardinalis G. B. Grant, W. Wheeler 1904-1 287 /6143 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California. Comment
  POM183636  Mimulus cardinalis J. Ewan 1929-6-22 3428 Los Angeles Brushy streamside growth Tuna Canyon near the sea. Comment
  RSA733128  Mimulus floribundus R. G. Swinney 1998-7-30 6583 Los Angeles San Gabriel Mtns.: tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle of Glendora Rodge Rd. 1338 Comment
  RSA733676  Mimulus floribundus R. G. Swinney 1998-8-5 6651 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 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
  RSA408111  Mimulus fremontii var. fremontii Albert J. Perkins 1912-09 s.n. Los Angeles Mt. Wilson Trail, Sierra Madre. Comment
  SBBG96964  Mimulus guttatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4304 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  SBBG97019  Mimulus guttatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4437 Los Angeles Bryce Cyn near Malo Pt Comment
  SEINET3860457  Mimulus guttatus R. G. Swinney 2009-4-19 10389 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.; 0 213 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
  RSA641693  Mimulus johnstonii Orlando Mistretta 1993-6-2 867 Los Angeles San Gabriel Mountains: Vincent Gulch Mine. 2079 Comment
  UC1409079  Mimulus johnstonii R. F. Thorne, C. W. Tilforth, J. Dourley, and R. Scogin 1972-8-11 42199 Los Angeles near Three Points (along Angeles Crest Hwy.); San Gabriel Mts., Angeles National Forest 1828 Comment
  RSA656389  Mimulus longiflorus Gerald Pitto 1980-4-18 13 Los Angeles Verdugo Mountains: 300 yards from end of Cedarbend Drive in Glenwood Oaks, La Crescenta. Comment
  POM17791  Mimulus pilosus P. A. Munz 1923-8-31 7699 Los Angeles Mescal Creek, San Gabriel Mountains 1951 Comment
  CAS-BOT-BC388656  Minuartia douglasii C. F. Baker 1909-5-15 5351 Los Angeles Mts near Claremont Comment
  POM82647  Minuartia douglasii P. A. Munz 1925-4-23 9452 Los Angeles San Gabriel Canyon. 488 Comment
  IRVC28665  Mirabilis laevis A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25103 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  CAS-BOT-BC434616  Mirabilis laevis var. crassifolia Henry J. Thompson 1959-4-12 1924 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). 2 miles west of Las Virgenes Road 304 Comment
  RSA131262  Mirabilis laevis var. villosa Percy C. Everett, E. K. Balls 1959-5-22 23808 Los Angeles Big Rock Creek, N slopes, San Gabriel Mts, from Valyermo 1220 Comment
  RSA668151  Mirabilis multiflora var. pubescens Michael C. Long, Ian Swift 2001-5-16 MCL- 577 Los Angeles W. Antelope Valley, 229th Street W., 0.5 mi. S. of Hwy 138. (open field west of road). Comment
  RSA774791  Monardella breweri subsp. lanceolata R. G. Swinney 2009-7-23 11382 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA588735  Monardella cinerea Orlando Mistretta 1994-5-31 1282 Los Angeles Santiago canyon. N slope of Pacifico Mountain. 2027 Comment
  RSA578715  Monardella exilis Tim S. Ross 1994-5-1 7607 Los Angeles Southwestern Mojave Desert: open desert, ca 1740 m S of Black Butte and 1000m W of Three Sisters Buttes. 945 Comment
  RSA530071  Monardella lanceolata Tim S. Ross 1991-8-16 5851 Los Angeles San Gabriel Mountains, Horse Flats. 1713 Comment
  RSA703159  Monardella linoides subsp. erecta Scott D. White 2004-8-11 10706 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  SEINET11263743  Monardella linoides subsp. stricta Tim Ross 1990-8-17 3146 Los Angeles San Gabriel Mtns, upper Big Rock Creek. 120-200 m N of Icy Springs. Valyermo 7.5' USGS.; 0 1725 Comment
  RSA401624A  Monardella macrantha subsp. hallii Louis C. Wheeler 1932-7-2 899 Los Angeles San Dimas Canyon - Browns Flat trail, San Gabriel Mountains. 1220 Comment
  CHSC118944  Muhlenbergia californica Duncan S. Bell; Caitlin Elam 2013-6-24 5265 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  RSA512026  Muhlenbergia californica L. C. Wheeler 1967-7-30 s.n. Los Angeles San Gabriel Mountains. Trail Canyon, vicinity of falls near confluence with McKinley Canyon. 732 Comment
  CDA30164  Muhlenbergia microsperma J. Dittes, J Guardino 2008-2-23 1501 Los Angeles Transverse Ranges; San Gabriel Mountains; Big Tujunga Canyon; circa 2.4 air-miles southeast of Mount McKinley, circa 4.3 air-miles west of Big Tujunga Reservoir, circa 3.4 air-miles northeast of Mount Gleason Jr. High School; near Delta Flat Picnic Area. Comment
  UC196400  Muhlenbergia microsperma Mrs. H. S. Yates 1914-6-6 Los Angeles Monrovia Comment
  UCR241702  Muhlenbergia microsperma Dan S. Cooper 2012-4-14 412- 21 Los Angeles Western Transverse Range; Hollywood Hills, 1-mile Tree, off Western Canyon Rd., Griffith Park 270 Comment
  CAS-BOT-BC275085  Muhlenbergia richardsonis I. M. Johnston 1917-8-21 1628 Los Angeles San Antonio Mountains. Upper San Antonio Canon 2209 Comment
  RSA716516  Muilla maritima Scott D. White, Pam DeVries 2006-5-10 11445 Los Angeles Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC1595338  Muilla maritima Tim Ross and Orlando Mistretta 1992-7-24 6749 Los Angeles e side of peak near divide divide between Colby and Wickiup Canyons (120 degrees se, 1065m distant from peak summit); San Gabriel Mts., Strawberry Peak 1560 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
  UCR260373  Muilla maritima R. G. Swinney 2010-4-1 12167 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  CAS-BOT-BC515100  Muilla maritima C. F. Baker 1901-4-20 4759 Los Angeles Claremont Comment
  CAS-BOT-BC515101  Muilla maritima Alice Eastwood; John Thomas Howell 1937-4-26 3975 Los Angeles Near Palmdale Comment
  RSA633359  Muilla maritima L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast Vincent 708 Comment
  SD51842  Munzothamnus blairii Peter H. Raven 1962-7-11 17992 Los Angeles San Clemente Island; canyon north of station Nanny, northeast of Lemon Tank. Comment
  RSA0046854  Myrica californica Anstruther Davidson 1892-08 s.n. Los Angeles Canyon, Santa Monica. Comment
  UCR117678  Myriophyllum spicatum Scott D. White 1997-5-21 5195 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  LA211192  Najas guadalupensis subsp. guadalupensis Arthur C. Gibson; 2008-9-7 5333 Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Rocky Oaks. Comment
  RSA421148  Nama demissa Robert Gustafson, Gary D. Wallace 1982-4-26 2537 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA757801  Nassella cernua Orlando Mistretta, Christine Mistretta 2008-4-7 2368 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 46 per TRTP survey-2008) 1031 Comment
  UCSB44588  Nassella cernua Strong, Lisa 1982-5-20 Los Angeles .5 mile north on Hungry Valley Road from its offramp at Interstate 5 914 Comment
  SBBG32122  Nassella lepida R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -194 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  SBBG77204  Nassella lepida F. R. Fosberg 1931-3-19 4304 Los Angeles Hamilton Cyn near Avalon 10 Comment
  UC624989  Nassella pulchra F. R. Fosberg 1931-3-19 S 4308 Los Angeles near Avalon (canyon floor); Santa Catalina Island, Hamilton Canyon 10 Comment
  UCR243029  Nasturtium officinale R. G. Swinney 2009-8-6 11540 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  RSA0036178  Navarretia Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  CATA1372  Navarretia atractyloides Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2494 Los Angeles Santa Catalina Island: Upper Bulrush Reservoir 292 Comment
  RSA9683  Navarretia atractyloides L. C. Wheeler 1932-5-19 716 Los Angeles San Gabriel Wash. 107 Comment
  SFV21061  Navarretia hamata subsp. hamata L. Gross, S. Larson, V. Soza 2001-5-31 388 Los Angeles Verdugo Mountains Southeast side of mountains. Dead Horse Canyon along road (Heather Ridge Drive). 335 Comment
  RSA252945  Nemacladus longiflorus var. breviflorus R. F. Thorne, Gary D. Wallace 1973-4-24 43421 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  UCR271575  Nemacladus longiflorus var. breviflorus R. G. Swinney 2011-5-19 14791 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg. SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  RSA778737  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-4 5252 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  UCR272977  Nemacladus sigmoideus R. G. Swinney 2011-6-1 14955 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  SEINET10460868  Nemacladus sigmoideus Thorne THORNE 43359 Los Angeles MOJave Desert Slope 1158 Comment
  SEINET10460882  Nemacladus sigmoideus Rimo Bacigalupi 1953-6-14 Bacigalupi 4190 Los Angeles Upper slopes of South Fork of Little Rock Creek Canyon, San Gabriel Mountains, Angeles National Forest 1554 Comment
  RSA652167  Nemophila menziesii Toppenberg s.n. Los Angeles Angeles Crest hwy, 1 miles from Ranger Station. Comment
  SD111947  Nemophila menziesii Barbara Ertter, Jeffrey Strachan 1980-5-18 3442 Los Angeles South fork Big Rock Creek, ca. 0.5 mile north of South Fork Campground on Forest Road 4N11A. 1372 Comment
  UC880911  Nemophila menziesii var. integrifolia Geo. L. Fisher 1920-7-8 124 Los Angeles Mt. Wilson 609 Comment
  SD247659  Nemophila menziesii var. menziesii Ed Kentner, Onkar Singh 2014-4-4 368 Los Angeles Western Mojave Desert, approx 3.3 km northeast of Valyermo along Bob's Gap Road approx. 1.6 km southeast of the aqueduct. 1125 Comment
  UCR253388  Nemophila spatulata R. G. Swinney 2010-6-21 13270 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA612803  Nerium oleander L. C. Wheeler 1946-11-28 6444 Los Angeles About 2 miles north of Claremont: Mahon School, Padua Avenue. Comment
  LA45878  Nicotiana glauca Elizabeth Levine; 1949-5-8 sn Los Angeles San Gabriel Mountains, Big Tujunga Wash N of the bridge Comment
  RSA0057926  Nicotiana glauca Richard G. Swinney 2010-2-27 11774 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, E end of Orcas Park to 0.5 mi. toward the east and from the I-210 Fwy. to Big Tujunga Wash to the south. 331 Comment
  RSA172328  Nicotiana glauca Robert F. Thorne, James Henrickson 1963-5-5 32276 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  RSA482198  Nicotiana glauca Richard Noyes 1987-9-19 426 Los Angeles Claremont. Intersection of Mills Avenue and Mt. Baldy Road. 500 Comment
  SEINET10696860  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3942 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  UC1273560  Oenothera californica subsp. californica W. M. Klein 1958-6-12 476 Los Angeles 23.2 mi n Castaic (on US 99 to Los Angeles) Comment
  UCSB4405  Oenothera californica subsp. californica Haller, Norman 1953-4-18 Los Angeles Highway 99 at junction with Highway 158, 1 mile S.E. of Gorman 1066 Comment
  UC129099  Oenothera deltoides subsp. cognata H. M. Hall and H. P. Chandler 1906-6-11 7386 Los Angeles near Lancaster Comment
  POM50649  Oenothera deltoides subsp. deltoides A. D. E. Elmer 1902-06 3810 Los Angeles Lancaster. Comment
  UC20437  Oenothera deltoides subsp. deltoides Dr. A. Davidson May 1895 Los Angeles Lancaster Comment
  SD90262  Oligomeris linifolia Robert F. Thorne 1973-4-12 42925 Los Angeles San Clemente Island: Horse Cove, S end of island 4 Comment
  RSA65769  Opuntia basilaris var. brachyclada F. W. Peirson 1923-5-26 3546 Los Angeles Rock Creek, north slope of San Gabriel Mts., 1524 Comment
  SEINET10881682  Opuntia covillei var. piercei Joseph A. Ewan 1936-8-2 Ewan 9916 A Los Angeles San Gabriel Mts. Few scattered clumps on gravel bars in mid stream course. Mescal Creek. 1615 Comment
  UCR222802  Opuntia littoralis R. G. Swinney 2009-5-9 10706 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway 183 Comment
  UCR272539  Opuntia littoralis R. G. Swinney 2011-9-22 15673 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area, north of lodge 976 Comment
  RSA595952  Orcuttia californica J. Travis Columbus, C. R. Annable, C. dos Santos, J. Mark Porter, M. E. Siqueiros D 1996-6-5 2687 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 rd. mi. W from jct. with Sierra Hwy.., In vernal pool basin (not evident from rd.) on shelf just N of and above Plum Canyon bottom and rd turnout with an adjacent Populus sp., in NE of 3 small depressions within basin 610 Comment
  POM156716  Oreonana vestita L. R. Abrams 1902-7-12 2702 Los Angeles Mt. San Antonio 2744 Comment
  RSA628668  Oreonana vestita L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, north side Little Rock Creek at Cooper Canyon. 1768 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
  SD103326  Orobanche valida W. P. Armstrong 1979-7-12 Los Angeles Trail up South Fork of Big Rock Creek, ca. 2.4 km southwest of South Fork Campground. 1707 Comment
  RSA402070  Orthocarpus purpurascens F. R. Fosberg 1931-5-21 S- 4938 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  UC1605259  Osmorhiza brachypoda Timothy S. Ross and Steve Boyd 1994-5-25 7880 Los Angeles Liebte Mtn. Liebre Mountains, Liebre Mountain 7.5' USGS Quadrangle (w summit, West Summit here construed as the rounded knoll 100 m s of the intersection of sections 3,4,9, and 10, just s of knoll summit) 1684 Comment
  UCR272941  Osmorhiza chilensis R. G. Swinney 2011-7-29 15556 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  UCR275521  Oxytheca caryophylloides D. E. Bramlet 2011-9-21 4953 Los Angeles San Gabriel Mountains, Pacifico Mountain 2163 Comment
  RSA64774  Oxytheca trilobata F. W. Peirson 1929-7-1 8418 Los Angeles Aliso Creek, San Gabriel Mts. 1098 Comment
  RSA473133  Packera breweri Anstruther Davidson 1895-5-3 s.n. Los Angeles Gorman Station Comment
  RSA228986  Packera ionophylla R. F. Thorne 1971-8-25 41279 Los Angeles Angeles National Forest: Just N of summit of Mt. Hawkins on saddle between Hawkins & Throop Peak 2667 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
  JEPS18478  Papaver californicum Rimo Bacigalupi with Robert J. Sweeney 1957-5-12 5880 Los Angeles slopes above Las Flores Canyon (1/4 mi above U.S. Army Nike launching site, Santa Monica Mountains); Santa Monica Mountains 274 Comment
  RSA448004  Parietaria hespera var. hespera F. R. Fosberg 1931-4-12 S- 4570 Los Angeles Cliffs near Jewfish Point, Santa Catalina Island. 10 Comment
  RSA582999  Parietaria hespera var. hespera Tim S. Ross 1993-4-22 6886 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak. Large rock outcrop 1000m ESE of Cactus Peak summit. 476 Comment
  RSA535687  Parietaria hespera var. hespera Tim S. Ross 1991-5-23 5480 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 6 Comment
  UCR205954  Paspalum distichum A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37075 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  SEINET4670192  Paspalum distichum G. B. Grant 1904-7-14 912 Los Angeles Los Angeles Comment
  RSA751517  Paspalum vaginatum Carl Wishner, A. Gale 2005-8-12 2 -11 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  UCSB27924  Pectocarya heterocarpa Kunze, G. 1971-4-17 Los Angeles 245th Street; 4.6 miles south of Avenue D; Antelope Valley 914 Comment
  RSA0098645  Pectocarya linearis subsp. ferocula R. G. Swinney 2010-6-1 13130 Los Angeles San Gabriel Mountains: lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  UCR125409  Pectocarya penicillata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25701 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR119285  Pectocarya setosa A. C. Sanders, D. Malueg 1998-6-22 22048 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCD120188  Pectocarya setosa Daryl Koutnik; Vickie Dawes 1978-4-7 335 Los Angeles west side of Sierra Highway just north of Pearblossom Highway. 914 Comment
  POM150502  Pellaea andromedifolia P. H. Raven 1962-4-11 17304 Los Angeles 1 miles south of Wilson Cove, San Clemente Island 122 Comment
  RSA526594  Pellaea andromedifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4178 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  RSA534030  Pellaea andromedifolia T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5287 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']). Upper portion of drainage. 305 Comment
  RSA686742  Pellaea andromedifolia Erwin Miller 1934-3-27 s.n. Los Angeles San Gabriel Mts., Angeles National Forest. Fish Canyon. 305 Comment
  SD81627  Pellaea andromedifolia var. andromedifolia Herb. Louis Wheeler 1931-9-2 Los Angeles 1 mile north-northwest of Thompson Creek Dam 609 Comment
  UCR231175  Pellaea mucronata Dan S. Cooper 2011-10-10 1011- 116 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, SW slope of Mt. Hollywood, just north of tunnels of Mt. Hollywood Dr. 369 Comment
  POM199762  Pellaea mucronata var. mucronata I. W. Clokey 1929-05 4537 Los Angeles Mandeville Canyon, Santa Monica Mountains. 450 Comment
  CATA3349  Pennisetum setaceum Julia Parish, Ben Dion 2017-3-8 015 Los Angeles Santa Catalina Island: Chimes Tower Rd., directly west of (across road from) Chimes Tower 78 Comment
  RSA748855  Penstemon caesius R. G. Swinney 2001-8-27 8100 Los Angeles Throop Peak, west of Mt. Baden-Powell. 2780 Comment
  CHSC4738  Penstemon centranthifolius Mary MacArthur 1967-6-24 52 Los Angeles .7 mi. from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittent stream bed, Angeles National Forest. 1584 Comment
  RSA585913  Penstemon centranthifolius Tim S. Ross 1990-5-17 2566 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  POM305725  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1937-6-27 929 Los Angeles Liebre Mts., Sandberg, Angeles National Forest. Comment
  RSA597189  Penstemon centranthifolius Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3719 Los Angeles San Gabriel Mountains, Pinyon Ridge: eastern half of the ridge, directly N of Fenner Canyon. 1939 Comment
  CAS-BOT-BC6646  Penstemon grinnellii Fordyce Grinnell 1903-6-6 s.n. Los Angeles Mt. Wilson Comment
  POM128325  Penstemon grinnellii subsp. grinnellii George B. Grant 4594 Los Angeles Mt. Wilson. Comment
  RSA296357  Penstemon grinnellii subsp. grinnellii R. C. Bacigalupi 1952-8-9 3906 Los Angeles summit of Blue ridge directly south of Wrightwood and above Swartout Valley, near Guffey Public Camp. 2439 Comment
  RSA702611  Penstemon grinnellii subsp. grinnellii Tim Thibault, Bryan Tutt, Dolores Gault 2004-6-18 316 Los Angeles Mt. Williamson 2090 Comment
  POM4207B  Penstemon heterophyllus subsp. australis Philip A. Munz 1918-5-26 2276 Los Angeles Claremont. Near mouth of Live Oak Canyon. Comment
  RSA660405  Penstemon heterophyllus subsp. australis Orlando Mistretta 1992-6-17 594 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  UC314545  Penstemon heterophyllus var. australis Marcus E. Jones, A. M. 1926-6-2 Los Angeles Claremont Comment
  UCR146453  Penstemon labrosus Orlando Mistretta 1993-6-28 906 Los Angeles San Gabriel Mountains, Angeles National Forest. Table Mountain; Sunrise ski area 2226 Comment
  RSA424046  Penstemon rostriflorus Bonnie C. Templeton 1932-8-26 5100 Los Angeles Big Rock Creek; San Gabriel Mountains 1905 Comment
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Jan 5 2010
  SDSU10971  Penstemon spectabilis Gerald Collier 1953-6-20 Los Angeles 1/4 mile E of Muscatel Ave, 1/8 mile S Klingerman St. Rio Hondo west side, San Gabriel. Comment
  RSA0008516  Pentachaeta lyonii F. W. Peirson 1908-4-18 1221 Los Angeles Point Fermin. Comment
  CATA51  Pentagramma triangularis USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 30 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  RSA0059337  Pentagramma triangularis F. W. Peirson 1919-12-2 1502 Los Angeles West fork of Rubio Canyon, south base of San Gabriel Mts. 655 Comment
  RSA0062910  Pentagramma triangularis Clara Roush s.n. Los Angeles The wash near Claremont. 853 Comment
  RSA0066083  Pentagramma triangularis Frank W. Hedges 1948-5-9 7 Los Angeles San Dimas Dam. 304 Comment
  RSA0070822  Pentagramma triangularis T. S. Ross, Steve Boyd 1991-3-23 4255 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, +/- west of Lovejoy Springs (destroyed by development). 926 Comment
  LA94206  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-16 1775 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  LA94209  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-26 1789 Los Angeles SANTA MONICA MOUNTAINS, Woodland Hills, Mulholland Hwy [prob Dr.], ca 1 mi W of Topanga Canyon Rd. 304 Comment
  SEINET4065774  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1939-1 7244 Los Angeles Collected from grassy bluffs in Chenetti Canyon on San Clemente Island. Comment
  UC399561  Pentagramma viscosa F. M. Reed 1909-7-4 2845 Los Angeles hills se of Avalon; Santa Catalina Isl. 335 Comment
  RSA233255  Perideridia parishii subsp. latifolia R. F. Thorne 1969-7-2 38314 Los Angeles SE of Angeles Crest Hwy. 3.2 miles WSW of Cloudburst summit 1951 Comment
  SEINET5767576  Peritoma arborea A. A. Heller 1908-6-19 8956 Los Angeles Santa Catalina Island, near Avalon Comment
  CAS-BOT-BC355969  Perityle emoryi G. B. Grant 1906-9-1 7167 Los Angeles Santa Catalina Island Comment
  POM11708  Perityle emoryi R. L. Pendleton 1909-7-2 s.n. Los Angeles Santa Catalina Island. Road east of Avalon. 9 Comment
  SBBG31540  Perityle emoryi R. M. Beauchamp 1967-3-18 291 Los Angeles Lemon Tank Comment
  UCR162503  Petalonyx thurberi subsp. thurberi Anuja Parikh, Nathan Gale 2004-9-10 2096 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UCR189847  Phacelia R. G. Swinney 1998-7-21 6471 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  RSA428289A  Phacelia brachyloba Anstruther Davidson 1915-7-4 3103 Los Angeles Mt. Islip Trail. Comment
  POM20903  Phacelia brachyloba Fordyce Grinnell Jr. 1917-8-12 s.n. Los Angeles San Gabriel Mountains, Big Santa Anita Canyon. 1128 Comment
  RSA182324  Phacelia brachyloba J. Olmstead 1962-4-30 3403 Los Angeles 1960 Johnston Peak fire, from west fork of San Dimas Creek to Wolfskill falls 457 Comment
  SBBG126135  Phacelia brachyloba D. Keil 1992-4-24 Los Angeles outskirts of Lancaster along Ave 1 700 Comment
  RSA427633  Phacelia cicutaria var. hispida N. C. Cooper 1949-10-12 2195 Los Angeles Tapia Park area, Santa Monica Mtns 610 Comment
  UCR194852  Phacelia congdonii T. B. Salvato, Steve Reynolds 2008-4-15 s.n. Los Angeles Tehachapi Mountains Foothills, Oso Canyon, 1.3 miles (air) southwest of the National Cement plant 1102 Comment
  SD90555  Phacelia distans Robert F. Thorne 1973-4-12 42953 Los Angeles San Clemente Island: Pyramid Cove at south end of island. 3 Comment
  UCR259683  Phacelia distans R. G. Swinney 2010-4-1 12125 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  POM3767  Phacelia distans O. W. Robinson 1916-3-10 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  UCR205914  Phacelia fremontii R. G. Swinney 2008-5-5 8751 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA428245  Phacelia grandiflora N. C. Cooper 1933-7-11 3664 Los Angeles Lower San Gabriel Canyon, between Dams. Comment
  UC56893  Phacelia hubbyi W. A. Setchell 1901-3-13 Los Angeles Elysian Park Los Angeles Comment
  UC1348980  Phacelia imbricata subsp. imbricata Robert F. Thorne, M. Z. Thorne 1967-7-19 37171 Los Angeles above Crystal Lake Recreation Area; San Gabriel Mts., Angeles National Forest, Big Cienega Sprin 1981 Comment
  UC24411  Phacelia imbricata subsp. imbricata Harley P. Chandler 1897-5-4 Los Angeles Claremont 365 Comment
  CHSC23493  Phacelia imbricata subsp. patula L. M. Mayer 1974-4-5 129 Los Angeles Big Tujunga Canyon Rd., ca. 1 mi e of intersection with Mt. Gleason Blvd. and 1 1/2 mi from Tujunga. Comment
  POM3697  Phacelia minor C. F. Baker 1904-4-15 4105 Los Angeles Claremont. Comment
  POM49698  Phacelia minor L. R. Abrams 1901-4-7 s.n. Los Angeles Devil's Gate Comment
  RSA0091082  Phacelia minor R. G. Swinney 2011-3-22 14174 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  UCR258910  Phacelia minor R. G. Swinney 2010-4-23 12353 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA669705  Phacelia minor LeRoy Gross 2002-2-24 483 Los Angeles Northwest side; Entered at the corners of Ledge Ave. & Tuxford St. off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek 305 Comment
  CAS-BOT-BC145069  Phacelia mohavensis Le Roy Abrams; E. A. McGregor 1908-7-5 641 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1676 Comment
  RSA286658  Phacelia mohavensis Robert F. Thorne 1974-6-28 44746 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  RSA706548  Phacelia mohavensis LeRoy Gross 2005-6-23 2386 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1580 Comment
  CHSC114478  Phacelia ramosissima Duncan S. Bell; Caitlin Elam, Evan Meyer 2013-6-13 5087 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR180005  Phacelia ramosissima R. G. Swinney 1996-8-7 5209 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  UCR60508  Phacelia ramosissima R. F. Thorne 1973-5-11 43505 Los Angeles San Gabriel Mtns/ Mojave Desert, Ridge north of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA717378  Phacelia tanacetifolia Scott D. White, Pam DeVries 2006-5-9 11398 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA738063  Phacelia tanacetifolia Fran Dourisboure 1966-5-10 2 Los Angeles San Rafael Hills. 213 Comment
  POM1060  Phalaris canariensis Harry Pruett 1909-6-16 75 Los Angeles Claremont. Comment
  SBBG133157  Phalaris lemmonii E. Howe 2010-5-16 SERG 10 -44 Los Angeles ephemeral pool on OP3 rd 519 Comment
  RSA601623  Phalaris minor L. C. Wheeler 1967-6-26 9864 Los Angeles San Gabriel Mountains : Whitney Canyon, near mouth. 434 Comment
  CATA3132  Phalaris paradoxa Sarah Ratay 2010-3-31 116 Los Angeles Santa Catalina Island: End of east WBG road 201 Comment
  CHSC8053  Philadelphus lewisii Edward L. Smith 1957-4-25 227 Los Angeles Located in Little Dalton Canyon. San Gabriel Mts. 365 Comment
  RSA459258  Pholistoma auritum M. B. Dunkle 1929-4-7 2089 Los Angeles White s Landing. Santa Catalina Island. Comment
  RSA747044  Pholistoma auritum R. G. Swinney 2008-4-16 8673 Los Angeles San Dimas, Spring Canyon, north end between east and west forks of canyon. 393 Comment
  UCD120597  Pholistoma auritum Beth Greenhalgh 1993-4-14 30 Los Angeles Santa Monica Mtns., Kanan Cyn., Malibu, beginning of trail 100 ft. north of south tunnel on Kanan Rd. 457 Comment
  LA38517  Pholistoma auritum var. auritum Carl Epling; 1930-4-10 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  SD49382  Pholistoma racemosum Reid Moran 1959-3-9 7157 Los Angeles San Clemente Island. 1 mile north of Eel Point. Among grass in arroyo. 20 Comment
  UC284126  Pholistoma racemosum P. A. Munz 1923-4-9 6646 Los Angeles e. coast San Clemente Isl. San Clemente Isl. Comment
  RSA527623  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4407 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UC6070  Phoradendron densum J. H. Barber 1897-6-28 205 Los Angeles Kentucky Springs near Acton; Kentucky Springs Comment
  LA209881  Phoradendron leucarpum subsp. macrophyllum Louis C. Wheeler; 1932-1-10 437 Los Angeles San Jose Hills, Puddingstone Dam 304 Comment
  LA209885  Phoradendron leucarpum subsp. macrophyllum Louis C. Wheeler; 1932-12-17 1452 Los Angeles San Gabriel Mountains, San Antonio Canyon 883 Comment
  RSA132815  Phoradendron pauciflorum Del Wiens 1953-12-10 881 Los Angeles San Gabriel Mountains, Crystal Lake Area. 1677 Comment
  UCR223351  Phoradendron pauciflorum R. G. Swinney 2009-7-29 11418 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC141155  Phoradendron serotinum subsp. macrophyllum Louis C. Wheeler 1932-1-10 437 Los Angeles Puddingstone 304 Comment
  RSA0017048  Phoradendron villosum Peter J. Estournes 1981-5-10 s.n. Los Angeles Mount Baldy, southern side. 1677 Comment
  RSA0072477  Photinia arbutifolia var. macrocarpa F. R. Fosberg 1931-12-11 7158 Los Angeles Gallaghers Beach, Santa Catalina Island. 2 Comment
  UCR93944  Phyllospadix torreyi P. J. MacKay, T. Thomas 1996-8-31 s.n. Los Angeles Leo Carillo State Beach 0 Comment
  RSA683977  Phyllospadix torreyi E. Yale Dawson 1957-7-1 17267 Los Angeles Malibu Beach at Latigo Shore Road. Station # 19. Comment
  RSA660989  Pickeringia montana var. montana LeRoy Gross 2001-5-28 411 Los Angeles Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. 549 Comment
  CAS-BOT-BC78537  Pinus coulteri John H. Thomas 1957-5-8 6741 Los Angeles San Gabriel Mountains. About 13 miles NE of center of Pasadena 1676 Comment
  RSA773288  Pinus coulteri R. G. Swinney 2009-6-24 11274 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  CAS-BOT-BC78602  Pinus flexilis Le Roy Abrams; E. A. McGregor 1908-7-3 605 Los Angeles North Baldy Mountain, San Gabriel Mountains 2743 Comment
  RSA717864  Pinus lambertiana R. G. Swinney 1997-4-25 5498 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  RSA577895  Piperia cooperi Louis C. Wheeler 1936-6-12 4152 Los Angeles Monroe Canyon, San Gabriel Mountains. 549 Comment
  CATA2945  Piperia elongata Sarah Ratay, Tyler Dvorak 2010-7-1 125 Los Angeles Santa Catalina Island: Blackjack/Cape Road 422 Comment
  CLARK-A1528-5221  Pittosporum phylliraeoides Austin Griffiths, Jr. , Jeanette L. Huber 1969-10-15 5606 Los Angeles Los Angeles County Arboretum Comment
  RSA702832  Pittosporum undulatum Scott D. White 2004-4-23 10237 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  CSUSB1123  Pityrogramma triangularis Keith Thompson 1969-12-13 s.n. Los Angeles Evey Canyon 731 Comment
  CAS-BOT-BC71786  Pityrogramma triangularis var. viscosa Carl B. Wolf 1932-5-9 3499 Los Angeles Santa Catalina Island, along road to Renton Mine, about due West of Pebbly Beach 304 Comment
  RSA611838  Plagiobothrys arizonicus Steve Boyd, Valerie Soza 1998-4-28 10174 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  UCR193416  Plagiobothrys arizonicus R. G. Swinney 1999-4-5 7064 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  POM3728  Plagiobothrys canescens P. A. Munz, L. T. Street, G. Williams 1919-3-15 2410 Los Angeles South Hills, Pomona. Comment
  UCR261860  Plagiobothrys canescens var. canescens Tim Thomas 1987-3-17 1040 Los Angeles South Coast, Santa Monica Mountains, Paramount Ranch, north secion on small hill 229 Comment
  CHSC35053  Plagiobothrys leptocladus R. Schlising; R. Banchero 1981-4-17 4033 Los Angeles NW of Oroville along Cottonwood Road, ca. 0.4 mile E of jct with Hwy 99. Roadside vernal pools. 41 Comment
  LA94805  Plagiobothrys nothofulvus Kei Nakai; Frank Almeda 1976-4-5 TCSP 9 76 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, in horse pasture next to pond, near the telescope mount 365 Comment
  UCR192530  Plagiobothrys nothofulvus A. C. Sanders 2008-4-10 34790 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR84481  Plagiobothrys nothofulvus T. S. Ross, D. L. Banks 1994-4-12 7500 Los Angeles San Gabriel Mtns., San Francisquito Canyon, westerly ridge descending from SW/NE-trending ridge which divides San Francisquito Canyon from Dry Canyon; c. 480 m SE of where Drinkwater Canyon joins San Francisquito Canyon 671 Comment
  OBI43717  Plantago arenaria A. C. Sanders, 1986-7-30 6814 Los Angeles El Segundo Dunes, immed W of LA International Airport and Pershing dr, E of Vista Del Mar Blvd 30 Comment
  POM243751  Plantago coronopus F. R. Fosberg 1931-4-16 4657 Los Angeles Bulrush Ridge, Santa Catalina Island. 200 Comment
  SBBG98634  Plantago erecta T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5333 Los Angeles between Box and Horse Cyns 484 Comment
  SD215598  Plantago erecta Louis C. Wheeler 1969-5-3 Los Angeles San Gabriel Mountains: Bluebird Truck Trail 715 Comment
  UCSB43771  Plantago erecta Nakashima, L. 1982-4-18 Los Angeles 0.3 miles south of Catalina airfield in Cottonwood Canyon; on Santa Catalina Island 411 Comment
  SD84852  Plantago ovata M. B. Dunkle 1939-4-5 7270 Los Angeles China Point, San Clemente Island. Comment
  SBBG12675  Plantago ovata var. insularis E. R. Blakley 1962-6-9 5184 Los Angeles China Pt near lighthouse 9 Comment
  RSA601028  Platanthera leucostachys Louis C. Wheeler 1966-9-21 8913 Los Angeles San Gabriel Mountains. Lily Spring. 2470 Comment
  RSA0053867  Platanus racemosa R. G. Swinney 2010-4-20 12297 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR192178  Platystemon californicus A. C. Sanders 2008-4-17 34944 Los Angeles Transverse Range, hills 1.5 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 976 Comment
  RSA445705  Platystemon californicus Frances M. Morey 1922-4-14 s.n. Los Angeles Culver City. Comment
  UCR222659  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09- 118 Los Angeles South Coast, city of Malibu, vicinity of La Piedra State Beach 7 Comment
  POM11451  Poa annua P. A. Munz, R. D. Harwood 1920-3-13 3313 Los Angeles San Jose Hills 2 miles W of Pomona 305 Comment
  RSA584960  Poa pratensis subsp. pratensis Timothy S. Ross 1990-6-1 2770 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  POM296918A  Poa secunda Lyman Benson 1945-3-30 11649 Los Angeles Canyon at Padua Hills above Claremont. Altitude 1800 feet. 549 Comment
  RSA484249  Poa secunda George R. Johnstone 1926-4-24 s.n. Los Angeles Shoemaker Canyon Comment
  RSA574522  Poa secunda Walter Wisura 1994-4-9 4935 Los Angeles N side of San Gabriel Mts along Mt Emma Road W of Rock Creek Comment
  UC1595439  Poa secunda subsp. juncifolia Tim Ross 1992-4-4 6064 Los Angeles 1 mi se Black Butte (middle butte of Three Sisters); sw Mojave Desert 969 Comment
  UCSB37845  Poa secunda subsp. juncifolia Roos, John; Roos, Lucille 1951-5-27 Los Angeles Flats between Lancaster and Rosamond, Mojave Desert 701 Comment
  SEINET13276686 Image available Poaceae R. G. Swinney 2011-1 15250 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
  SFV1213  Polycarpon tetraphyllum R. L. Armacost 1957-6-15 870 Los Angeles Santa Monica. Comment
  UCD98429  Polycarpon tetraphyllum Robert F. Thorne 1974-6-3 44688 Los Angeles Claremont; at 1010 Northwestern Drive. 335 Comment
  RSA460146  Polygala cornuta var. fishiae L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
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Apr 30 2011
  UCR138513  Polygonum argyrocoleon L. C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro, south of 200 E. Signal Street 3 Comment
  UCR256882  Polygonum capitatum R. G. Swinney 2010-8-16 13537 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA708716  Polygonum lapathifolium Scott D. White, Andrea Warniment 2005-9-9 11219 Los Angeles Tehachapi Mountains: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. 1006 Comment
  UCR119234  Polygonum lapathifolium Jeremiah George 2001-8-26 s.n. Los Angeles South Coastal Plains Region, Manhattan Beach, 869 17th St. 12 Comment
  RSA689883  Polypodium californicum Martha Hilend 1928-2-9 40 Los Angeles Big Santa Anita Canyon. Comment
  SEINET175056 Image available Polypodium californicum Marcus E. Jones 1882-2-27 Los Angeles Pasadena Comment
  UCR200146  Polypodium californicum Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 799 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 488 Comment
  UCR271669  Polypodium californicum R. G. Swinney 2011-3-26 14218 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCSB62333  Polypodium californicum Kiefer, Lawrence 1967-1-7 Los Angeles San Gabriel Mtns., NE of San Fernando, Limekiln Canyon, ca. 1.5mi from Maclay Ave. 762 Comment
  UCSB62398  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canyon Comment
  UCSB62499  Polypodium californicum Kiefer, Lawrence 1966-6-11 Los Angeles San Gabriel Mtns., Bichota Canyon, ca. 1.5mi from confluence with San Gabriel River 853 Comment
  UCD51651  Polypogon interruptus Katharine Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  RSA601051  Polypogon monspeliensis Steve Boyd, Lauren Raz 1997-6-18 9977 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR206411  Polypogon monspeliensis R. G. Swinney 2008-6-9 8952 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR194266  Polystichum imbricans R. G. Swinney 1998-8-5 6657 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  RSA693287  Polystichum imbricans subsp. imbricans G. R. Proctor 1944-2-27 786 Los Angeles Santa Anita Canyon Comment
  RSA605822  Populus balsamifera subsp. trichocarpa Louis C. Wheeler 1966-10-27 9105 Los Angeles San Gabriel Mountains: East Fork San Gabriel River, just above Cattle Canyon. Comment
  CAS-BOT-BC102554  Populus fremontii Le Roy Abrams; E. A. McGregor 1908-6-20 412 Los Angeles Liebre Mountains, Elizabeth Lake Comment
  LA211143  Populus trichocarpa Arthur C. Gibson; 2010-4-7 5309 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, on the northern side of creek just east Malibu Creek, Piuma Rd. Comment
  RSA191573  Potamogeton crispus Robert F. Thorne 1966-4-23 36152 Los Angeles San Gabriel Mountains: Jackson Lake WNW of Big Pines, Big Pines Recreation Area, Angeles National Forest 1829 Comment
  CHSC98102  Potentilla glandulosa subsp. glandulosa LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1067 Los Angeles Transverse Ranges; Verdugo Mountains region: North side of mountains: South of Hostetter Motorway (on the Thomas guide), just off La Tuna Canyon Road, south of and you can see the 210 freeway. Unnamed canyon that Hostetter road follows to near the main crest. Could be La Tuna Canyon as this is near the head of that canyon. If this is La Tuna Canyon, then the canyon makes a turn from draining to the west, turns south so the drainage is north. These collections are around the bend in the canyon. The canyon is narrower here and thick with brush, as the canyon is not very incised into the mountains. 550 Comment
  UCR238472  Potentilla glandulosa subsp. reflexa Orlando Mistretta, Christine Mistretta 2008-5-6 2666 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  SD212714  Prunus ilicifolia Jennifer H. Jones 2006-6-4 370 Los Angeles Foothills of San Gabriel Mountains: Southwest of Claremont Wilderness Park near the West end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel. Base of Northeast facing slope, South of road. 476 Comment
  UCR277023  Prunus ilicifolia R. G. Swinney 2010-5-25 12911 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  LA33816  Prunus ilicifolia subsp. ilicifolia Henry J. Thompson; 1959-3-27 1892 Los Angeles 731 Comment
  CAS-BOT-BC154570  Prunus ilicifolia subsp. lyonii R. M. Beauchamp 1967-1-29 150 Los Angeles West and below the Marine Artillary Spotters Outpost above the Pyramid Cove area. San Clemente Island Comment
  RSA562003  Prunus lyonii M. S. Lyon 1884-07 s.n. Los Angeles Santa Catalina Island. Comment
  RSA782215  Prunus virginiana R. G. Swinney 2009-8-25 11489 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  POM6814  Pseudognaphalium biolettii I. M. Johnston 1920-1-1 s.n. Los Angeles San Gabriel Wash at Azusa. 152 Comment
  CAS-BOT-BC356547  Pseudognaphalium biolettii Louis Wheeler 1931-9-11 136 Los Angeles Thompson Wash near La Verne 373 Comment
  CAS-BOT-BC356558  Pseudognaphalium biolettii Peter H. Raven 1959-3-15 13856 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Shore just east of Zuma Beach, Point Dume 9 Comment
  SD66913  Pseudognaphalium biolettii R. Mitchel Beauchamp 1967-3-18 286 Los Angeles San Clemente Island; in field between main road and Lemon Tank. Comment
  SD69729  Pseudognaphalium californicum Robert F. Thorne 1966-4-29 36322 Los Angeles Santa Catalina Island, below road to White's Landing above turnoff to Echo Lake 409 Comment
  UCR270261  Pseudognaphalium canescens R. G. Swinney 2011-10-10 15729 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 1585 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
  RSA308095  Pseudotsuga macrocarpa Henry J. Ramsey, Henry J. Ramsey 1940-10-13 2902 Los Angeles Angeles Crest Highway. Mt. Range San Gabriel. 1067 Comment
  POM36281  Psilocarphus brevissimus H. E. Hasse 1890-07 s.n. Los Angeles [Unspecified] Comment
  CDA4237  Psoralea bituminosa Scott D. White 2003-10-22 9839 Los Angeles Transverse Ranges; San Gabriel Mountains region; Foothills above Sierra Madre. L.A. Dept of Public Works Sierra Madre Debris Basin. Northern terminus of Sumac St. Comment
  SD144151  Pteris vittata Scott D. White, Pam DeVries 1997-11-25 6028 Los Angeles San Gabriel River Canyon: north of Azusa; parallel to Highway 39, along unnamed dirt access road to gauging station, below Morris Dam. 249 Comment
  CAS-BOT-BC421202  Pterostegia drymarioides Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  LA33819  Pterostegia drymarioides Peter H. Raven; 1959-5-9 14178 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  SBBG98618  Pterostegia drymarioides T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5338 Los Angeles between Box and Horse Cyns 484 Comment
  RSA0080437  Purshia glandulosa R. G. Swinney 2010-5-19 12786 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
  JEPS58814  Pyrola dentata F. W. Peirson 1920-9-14 519 a Los Angeles On ridges around the head of The Coldwater up to the San Antonio Divide, San Gabriel Mountains 2133 Comment
  RSA450193  Quercus agrifolia A. R. Roos 1937-12-15 s.n. Los Angeles Sepulveda Canyon Comment
  SFV20816  Quercus agrifolia L. Gross, N. Fraga 2002-4-4 518 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 468 Comment
  UC450933  Quercus agrifolia Fay A. MacFadden 1931-3-17 2625 Los Angeles Tuna Canyon Verdugo Hills Comment
  SEINET12027835  Quercus agrifolia C. V. Braun 1974-1 14 Los Angeles approx 1.4mi W of Newhall exit,Interstate 5 Comment
  UCR131486  Quercus agrifolia var. agrifolia June Latting 1973-2-24 s.n. Los Angeles San Gabriel Mountains, Monrovia Canyon 549 Comment
  UCR178210  Quercus berberidifolia LeRoy Gross 2000-11-4 318 Los Angeles Verdugo Mountains, trail at end of Morning Glow, past Sunglow Way, east of La Tuna Canyon Road, Sun Valley 366 Comment
  JEPS97690  Quercus chrysolepis Annetta M. Carter, Arthur Carter 1935-9-12 976 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  UCR270636  Quercus chrysolepis R. G. Swinney 2011-6-15 15166 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  POM9637  Quercus chrysolepis P. A. Munz 1920-12-5 4398 Los Angeles Claremont. 366 Comment
  RSA702911  Quercus durata var. gabrielensis Scott D. White, Michael Honer 2004-6-30 10546 Los Angeles San Gabriel Mountains: Mt. Baldy (town). Along Glendora Ridge Rd. ca. 0.25 mile SW of jtn. w/ Mt. Baldy Rd. 1311 Comment
  POM290530  Quercus engelmannii Lyman Benson 1948-11-9 13551 Los Angeles Hill at west side of mouth of Monrovia Canyon 305 Comment
  RSA598261  Quercus engelmannii R. G. Swinney 1989-5-20 s.n. Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon. 150 yds E of Big Dalton Campground, 1 mi NE of Glendora Mtn. Rd. 427 Comment
  RSA733151  Quercus engelmannii Susan Grose, L. Braccio, L. Gross 2007-11-11 188 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  SEINET9033996  Quercus engelmannii G. B. Grant 1904-5-5 1086 Los Angeles Collected at Pasadena, So. Cal. Comment
  SJSU3200  Quercus john-tuckeri C. W. Sharsmith 1959-11-29 6713 Los Angeles by Hwy 99 (Ridge Route) c. 10 mi S of Tejon Pass Comment
  UC848092  Quercus kelloggii Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  SBBG111476  Quercus pacifica J. M. Tucker 1992-3-29 Los Angeles just E of Haypress Reservoir, roughly 1.75 mi NW of Avalon 396 Comment
  SD234137  Quercus wislizeni Virginia Pinkus Ryder 1964-7-1 243 Los Angeles Road to Mount Wilson. 1562 Comment
  UCR277101  Quercus wislizeni R. G. Swinney 2011-9-22 15685 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
  SEINET7143825  Quercus wislizeni Ralph R. Wilson 1941-4-18 514 Los Angeles San Dimas Experimental Forest above Glendora.; 0 914 Comment
  SJSU16076  Quercus wislizeni var. frutescens Allen W. Jacobs 1938-8-9 388 Los Angeles 1/2 mile down the highway below Coldbrook R.S on the lower, right side of the road, against the slope 1066 Comment
  UCD47629  Quercus wislizeni var. frutescens Mike Grayum; Daryl Koutnik 1978-1-22 950 Los Angeles Summit of Saddle Peak., Santa Monica Mts. 822 Comment
  RSA188048  Rafinesquia californica R. F. Thorne 1966-4-7 35958 Los Angeles Cherry Valley, Santa Catalina Island. 61 Comment
  RSA584981  Rafinesquia californica Timothy S. Ross 1993-5-16 7150 Los Angeles Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse, and Little Dalton Canyons; ca 770 m NW of Horse Canyon Saddle. 1067 Comment
  UCR271591  Rafinesquia californica R. G. Swinney 2011-5-19 14766 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  UCR271806  Rafinesquia californica R. G. Swinney 2010-5-7 12591 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  CAS-BOT-BC379001  Ranunculus aquatilis var. diffusus P. A. Munz 1922-5-16 5601 Los Angeles San Dimas, sluggish brook east of Puddingstone Canyon 366 Comment
  POM99239  Ranunculus hebecarpus Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  VVC3079  Ranunculus testiculatus Tim Thomas, P. J. MacKay 2015-5-10 6622 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  UCR237896  Raphanus sativus Mark A. Elvin 2003-4-22 2531 Los Angeles Western Transverse Range, Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi. east of Ventura Co. line 314 Comment
  POM12335  Raphanus sativus F. L. Robinson 1921-6-2 88 Los Angeles Between Claremont and Upland Comment
  UC1364337  Rhamnus H. H. Rudy 1909-8-22 Los Angeles Monrovia Comment
  CAS-BOT-BC59943  Rhamnus crocea Alice Eastwood 1919-6-20 9059 Los Angeles Mt. Wilson. Comment
  CAS-BOT-BC59944  Rhamnus crocea Alice Eastwood 1906-5-27 277 Los Angeles Roscoe. Comment
  CAS-BOT-BC56016  Rhamnus ilicifolia Carl B. Wolf 1928-5-11 2179 Los Angeles On Newhall Grade, just above the place where the Los Angeles aqueduct crosses highway Comment
  LA32120  Rhamnus ilicifolia Henry J. Thompson; 1959-3-31 1913 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, Trippet Ranch 335 Comment
  RSA11762  Rhamnus ilicifolia E. Lloyd 1933-3-25 s.n. Los Angeles Temescal canon. Comment
  RSA391041  Rhamnus ilicifolia H. L. Bauer 1932-03 15370 Los Angeles Mouth of Topango [Topanga] Canyon. Comment
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May 29 2014
  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
  CAS-BOT-BC200705  Rhus aromatica Alice Eastwood 1919-5-29 8953 Los Angeles San Gabriel Canyon Comment
  UCR259983  Rhus aromatica R. G. Swinney 2010-6-8 13181 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  RSA162830  Rhus integrifolia J. D. Olmsted 1959-2-23 s.n. Los Angeles Blanchard Park, Pomona College Campus near Claremont, near E boundary LA, Foot of San Gabriel Mts. 366 Comment
  RSA535706  Rhus integrifolia T. S. Ross 1991-5-23 5504 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment. 8 Comment
  RSA649822  Rhus integrifolia Matt Brooks 1988-5-7 47 Los Angeles Whittier, 1.0 miles east of the Whittier water tank on a fire road along a ridge. Comment
  RSA0084951  Rhus ovata R. G. Swinney 2010-6-4 13041 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA386383  Rhus ovata B. C. Templeton 1931-11-9 s.n. Los Angeles Millards Canyon Comment
  SDSU2177  Rhus ovata Gerald Collier 1951-5-5 M 293 Los Angeles Santa Anita Canyon, San Gabriel Mtns. About 1 mile up canyon fromk base of Chantry Flats Trail. Comment
  RSA522464  Rhus trilobata T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4040 Los Angeles NNE of Tie summit Station and E of Angeles Forest Hwy., Tujunga Ranger District. 1561 Comment
  UC17946  Rhus trilobata Frank Crikelair May, 1900 Los Angeles Los Angeles Comment
  RSA523169  Rhus trilobata var. pilosissima T. S. Ross 1991-2-23 4112 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca 1/5 air-mile WNW of Turnbull Cyn Rd & Skyline Drive. 210 Comment
  JEPS104676  Ribes John L. Morrison 1937-6-17 2541 Los Angeles San Gabriel Mountains. Around the spring about 200 m from Windy Camp. N sid of Mount Islip 2209 Comment
  POM8837  Ribes aureum var. gracillimum I. M. Johnston 1920-1-4 3229 Los Angeles Lone HIll south of Glendora Comment
  SFV21030  Ribes aureum var. gracillimum L. Gross 2002-2-23 479 Los Angeles Verdugo Mountains Northeast side of mountains along Beaudry North Mountainway (dirt road). From bottom of Deer Creek this road leads to the main crest of the Verdugo's. Entered at the intersection of Beaudry Blvd. and Beaudry Terrace. 366 Comment
  UCR62226  Ribes aureum var. gracillimum R. G. Swinney 1990-1-13 1511 Los Angeles San Gabriel Mtns, Glendora, 'South Hills'; west end on ridge top at 'South Hills Park 305 Comment
  CAS-BOT-BC93097  Ribes californicum var. hesperium C. F. Baker 1903-2-17 4063 Los Angeles San Antonio Canyon near Claremont. Comment
  JEPS26543  Ribes californicum var. hesperium Peter Kamb 1948-1-10 747 Los Angeles Millards Canyon San Gabriel Mts. 762 Comment
  POM307118  Ribes californicum var. hesperium Henry J. Ramsey, Henry J. Ramsey 1939-1-1 1971 Los Angeles Eaton Canyon, Altadena. Comment
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Dec 10 2015
  POM48559  Ribes californicum var. hesperium Alice Eastwood 1904-2-17 s.n. Los Angeles San Antonio Canyon Comment
  RSA748888  Ribes cereum R. G. Swinney 2001-8-11 8037 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  UCR70822  Ribes divaricatum var. parishii L. C. Wheeler 1933-7-7 1915 Los Angeles Lexington Wash near El Monte 73 Comment
  RSA0008286  Ribes divaricatum var. parishii J. C. Roos 1951-3-10 5032 Los Angeles San Gabriel River at Whittier Narrows. 61 Comment
  RSA0008292  Ribes divaricatum var. parishii Brian C. Miller 1963-3-9 s.n. Los Angeles Whittier Narrows, San Gabriel River, Pico Rivera. 122 Comment
  SEINET5332699 Image available Ribes grantii G. B. Grant, Walter Wheeler 1904-1 1125 /6241 Los Angeles Mt. Wilson, southern California Comment
  CAS-BOT-BC173095  Ribes indecorum Ernest Braunton 1903-1-10 793 Los Angeles Arroyo Seco Comment
  RSA84503  Ribes indecorum F. W. Peirson 1923-4-9 3460 Los Angeles Canyon at Lemon Tank, San Clemente Island Comment
  SD237464  Ribes indecorum R. G. Swinney, Jane Strong 2009-4-7 10305 Los Angeles Transverse Range; San Gabriel Mountains Foothills: San Antonio Canyon, 2.4 miles N of Shinn Road (Mt Baldy 7.5'Q) 1073 Comment
  HSC12390  Ribes malvaceum Wendell Wood 1970-6-21 24 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  RSA396477  Ribes malvaceum var. viridifolium Steve Boyd, A. Listen, Walter Wisura 1987-4-30 4146 Los Angeles 8.6 miles from Rincon Forest Station along Rincon-Red Box forest rd. Comment
  UC723826  Ribes malvaceum var. viridifolium Joseph Andorfer Ewan April 1933 10914 Los Angeles Higgins Canyon Santa Monica Mts. 304 Comment
  UCR270520  Ribes malvaceum var. viridifolium R. G. Swinney 2011-3-22 14191 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  JEPS49394  Ribes montigenum Frank W. Peirson 1918-8-16 73 Los Angeles summit Baldy; Mt. San Antonio Comment
  RSA476199  Ribes nevadense F. R. Fosberg 1931-8-12 S 5579 Los Angeles Little Jimmy Spring, Windy Camp, north slope Mt. Islip, San Gabriel Mountains. 2300 Comment
  RSA729857  Ribes nevadense R. G. Swinney 1999-5-22 7206 Los Angeles Le Montaine Canyon, c. 0.5 mi. south of Camp Junilee Rd. 1701 Comment
  UCSB23061  Ribes nevadense Wilken, Dieter 1967-7-1 Los Angeles Lily Springs; north of Mt. Hawkins; along State Highway 2; San Gabriel Mtns 2407 Comment
  RSA659872  Ribes roezlii Orlando Mistretta 1992-8-20 768 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  SBBG72078  Ribes roezlii R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UCR270861  Ribes roezlii var. roezlii R. G. Swinney 2011-8-17 15640 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  POM294607  Ribes speciosum Lyman Benson 1946-12-28 12272 Los Angeles Head of Turnbull Canyon, Whittier, Puente Hills Mt. 305 Comment
  UCR4092  Ribes speciosum Carole Sims 1965-4-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 5.3 mi from intersection of Mulholland Drive and Old Topanga Canyon Rd., up Old Topanga Canyon Rd 305 Comment
  RSA0110805  Ricinus communis R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14335 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
  UCR210459  Ricinus communis R. G. Swinney 2008-11-29 9854 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA751106  Romneya coulteri Justin M. Wood 2009-6-5 833 Los Angeles [City of Claremont:] Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA0038379  Romneya trichocalyx Harold L. Pirie 1963-7-4 s.n. Los Angeles At the top of Saddle Peak. 609 Comment
  UCR219432  Rorippa nasturtium-aquaticum R. G. Swinney 2009-3-28 10186 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR126618  Rosa californica A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27139 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR218016  Rosa californica A. C. Sanders, Dan S. Cooper 2010-8-5 38571 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CHSC34406  Rubus ursinus Alisa Goldman 1980-4-5 1 Los Angeles Pacific Palisades, Temescal Canyon; Presbyterian Conference Ground, Sunset Blvd. and Temescal Canyon Road. 167 Comment
  RSA86833  Rubus ursinus F. W. Peirson 1921-5-3 8653 Los Angeles North Fork of Millards Canyon 1067 Comment
  CAS-BOT-BC421878  Rumex acetosella Geo. B. Grant No date on label s.n. Los Angeles Pasadena Comment
  RSA65366  Rumex acetosella F. W. Peirson 1919-5-18 1809 Los Angeles South slope of San Gabriel Mountains. Monrovia Canyon. 427 Comment
  CAS-BOT-BC422279  Rumex californicus Geo. B. Grant 1904-7-25 s.n. Los Angeles Mt San Gorgonio, High Creek Comment
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Mar 12 2019
  RSA29896  Rumex conglomeratus Louis C. Wheeler 1932-6-14 826 Los Angeles Pomona. 244 Comment
  UCR269585  Rumex crispus R. G. Swinney 2011-6-29 15372 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  LA33968  Rumex salicifolius Peter H. Raven; 1959-9-6 14403 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  LA33962  Ruppia cirrhosa Peter H. Raven; Henry J. Thompson 1959-9-6 14360 Los Angeles Santa Monica Mountains, Malibu Lagoon, mouth of Malibu Creek 1 Comment
  POM9701  Sagina decumbens subsp. occidentalis P. A. Munz 1921-4-10 4410 Los Angeles Claremont; Blanchard Park. 366 Comment
  RSA587361  Salazaria mexicana Orlando Mistretta 1992-5-4 242 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  RSA703549  Salix exigua Gary D. Wallace, Ann Hiller 1983-5-18 2066 Los Angeles Dirt road W of Mt. Emma Rd. Comment
  UCR190087  Salix exigua R. G. Swinney 1998-8-5 6643 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, c. 100 m south of confluence with Mine Gulch 1323 Comment
  UC55026  Salix exigua var. hindsiana Samuel B. Parish June 1887 1984 Los Angeles San Francisquito Canyon Comment
  UCR197127  Salix gooddingii LeRoy Gross 2007-4-6 2627 Los Angeles Transverse Ranges; Verdugo Mountains, southern front of the range, Wildwood Canyon where the road drains into a debris dam, and parking area for one of the trails that climb to the crest of the range. 499 Comment
  LA208731  Salix laevigata Carl Hedin; Joseph Ewan 1932-5-19 7666 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  LA33899  Salix laevigata Peter H. Raven; Henry J. Thompson 1959-10-14 14638 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA127931  Salix laevigata Peter H. Raven, Henry J. Thompson 1958-10-11 13762 Los Angeles Saddle Peak, 0.3 miles south of junction of roads at summit. Santa Monica Mountains. 732 Comment
  SBBG59070  Salix laevigata R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UC506443  Salix laevigata Carl Hedin and Joseph Ewan 1932-4-30 7692 Los Angeles stream along Baldwin Hills near Higuera Rd. Culver City Comment
  UC506462  Salix laevigata Carl Hedin and Joseph Ewan 1933-1-28 7629 Los Angeles at Radford Dr. Los Angeles R.; San Fernando Valley, Los Angeles R. Comment
  CDA1018  Salix lasiolepis D. G. Kelch 1991-3-17 1332 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  JEPS13834  Salix lasiolepis W. L. Jepson 1908-7-13 3053 Los Angeles Swain Canyon; Catalina Isl., Swain Canyon Comment
  LA208790  Salix lasiolepis Carl Hedin; Joseph Ewan 1932-5-10 7651 Los Angeles Verdugo Canyon at Colina Drive [Area 3] Comment
  POM182042  Salix lasiolepis F. R. Fosberg 1932-1-26 7178 Los Angeles Flood plain of Los Angeles River, at foot of Cahuenga Pass grade. 180 Comment
  POM362750  Salix lasiolepis Ora M. Clark 1929-2-3 1498 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  RSA127458  Salix lasiolepis Peter H. Raven, Henry J. Thompson 1958-10-11 13749 Los Angeles Tuna Canyon 1.8 miles north of Coast Highway 427 Comment
  RSA599150  Salix lasiolepis Louis C. Wheeler 1966-11-19 9134 Los Angeles San Gabriel Mountains. Tunnel Bypass, 1/4 mi. upstream from Dutch Louie Camp, Pacoima Canyon. 716 Comment
  RSA600002  Salix lasiolepis Steve D. Boyd, Lauren Raz 1997-5-28 9841 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA755863  Salix lasiolepis R. G. Swinney 2009-1-19 9995 Los Angeles Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCR271726  Salix lasiolepis R. G. Swinney 2011-3-26 14212 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  CAS-BOT-BC107556  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7172 Los Angeles between Calabasas and Agoura 285 Comment
  CAS-BOT-BC403756  Salpichroa origanifolia Philip A. Munz 1939-10-9 15565 Los Angeles East end of Claremont 365 Comment
  LA201041  Salpichroa origanifolia George T. Hastings; 1950-7-23 sn Los Angeles Comment
  RSA0110503  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-7 15088 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  UCR276881  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-7 15088 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
  RSA599900  Saltugilia splendens subsp. grantii L. C. Wheeler 1933-7-4 1902 Los Angeles San Dimas Canyon 640 Comment
  UCR108664  Salvia apiana L. C. Wheeler 1961-6-13 7871 Los Angeles San Gabriel Mtns, Pacoima Canyon at Bad Canyon 1098 Comment
  POM4075  Salvia apiana Daniel J. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon, Claremont. Comment
  RSA411362  Salvia carduacea Jack Rempel 1932-5-16 s.n. Los Angeles El Segundo. Comment
  RSA411356  Salvia carduacea L. E. Hoffman 1929-3-18 s.n. Los Angeles Soledad Canyon. Comment
  IRVC29640  Salvia columbariae A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26209 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  LA200612  Salvia columbariae Norman A. Cole; May 1964 408 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, at junction of Cornell Rd and Lake Vista Rd 213 Comment
  RSA401450B  Salvia columbariae H. de Forest 1929-3-21 s.n. Los Angeles Palos Verdes Hills Comment
  RSA82999  Salvia columbariae F. W. Peirson 1919-3-30 335 Los Angeles Hills west of the Arroyo Seco, west of Pasadena 427 Comment
  RSA0080439  Salvia dorrii R. G. Swinney 2010-5-19 12788 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
  UCSB5787  Salvia dorrii var. dorrii Haller, John 1960-4-3 Los Angeles near cutoff road from Mint Canyon (US 6) to Littlerock; 0.7 miles northeast of US 6; at a point 4.2 miles south of Palmdale 914 Comment
  RSA446281  Salvia dorrii var. pilosa Gale Sphon 1959-4-4 285 Los Angeles 3 miles north of Big Rock Public Camp, Big Rock Creek. Comment
  UCR99522  Salvia dorrii var. pilosa Steve Boyd, Lauren Raz 1997-3-25 9262 Los Angeles Liebre Mountains Region, Extreme NW corner of the range in Peace Valley, small side canyon just east of I-5 off Copco Road 951 Comment
  CAS-BOT-BC233304  Salvia mellifera Marcus E. Jones 1926-5-20 s.n. Los Angeles Claremont Comment
  CATA95  Salvia mellifera Peter Henrikson 1987-4-17 71 Los Angeles Santa Catalina Island: Below upper White's Landing Road, east exposure 396 Comment
  SEINET3101624 Image available Salvia mellifera G. Rink 2011-6-1 10569 Los Angeles Chino Hills, northeast of La Brea. 260 Comment
  UCD125553  Salvia mellifera G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  UCD125594  Salvia mellifera Geoffrey Levin 1974-4-27 37 Los Angeles San Antonio Canyon below San Antonio Canyon Dam. San Gabriel Mountains. South slope. 579 Comment
  UCR124447  Salvia spathacea I. W. Clokey, B. C. Templeton 1929-1 4481 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 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
  RSA600410  Sambucus mexicana Steve Boyd, Lauren Raz 1997-4-30 9637 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
  RSA654186  Sambucus mexicana Marilyn Porter 1991-5-19 34 Los Angeles Upland at San Bernardino County line south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 671 Comment
  RSA771774  Sambucus mexicana R. G. Swinney 2009-5-20 10816 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  SEINET8058166  Sambucus nigra W. Wheeler 1904-6-10 s.n. Los Angeles Covina. Comment
  CAS-BOT-BC238728  Sambucus nigra subsp. caerulea Peter H. Raven 1957-9-21 11330 Los Angeles At n.w. end of U.C.L.A. campus, Los Angeles Comment
  SFV3601  Sambucus nigra subsp. caerulea J. Pakcyk 1959-3-15 s. n. Los Angeles San Gabriel Mountains Angeles Crest. 610 Comment
  SEINET4069697 Image available Sanicula arguta R. Moran 1941-1 579 Los Angeles Middle Ranch. San Clemente Island. 500 Comment
  UCR71252  Sanicula arguta Steve Boyd, T. Ross, et al 1990-4-8 4354 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA533883  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5159 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 441 Comment
  LA32984  Sanicula crassicaulis Harlan Lewis; 1940-2-24 1085 Los Angeles Santa Monica Mountains, Topanga Canyon 304 Comment
  POM155762  Sanicula crassicaulis M. L. Bryan 1928-4-20 89 Los Angeles Mandeville Canyon, near Santa Monica. Comment
  UC1619331  Sanicula crassicaulis Timothy S. Ross 1995-4-7 8355 Los Angeles Templin Highway, 100-250 ft NE of int. with the Old Ridge Route (near headwaters of Violin Canyon) Liebre Mountains 865 Comment
  UC1022477  Sanicula crassicaulis C. Ritchie Bell 1953-2-21 3 X480 Los Angeles 2.6 mi e of U.S. Highway 101 (in Alisos Canyon); Alisos Canyon Comment
  RSA0035493  Sarcodes sanguinea Orlando Mistretta 1992-5-16 20 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area Comment
  RSA670183  Satureja mimuloides Ian Swift 2001-7-2 236 Los Angeles Middle Fish Canyon, 1.5 miles north of Cienega Campground 808 Comment
  UCR220346  Scandix pecten-veneris D. E. Bramlet, Mike Ahmer 2005-4-14 3794 Los Angeles Los Angeles Basin Region, Puente Hills in La Habra Heights, main drainage of Powder Canyon, c. 547 ft. east of Skyline Drive and 1460 ft. north of Fullerton Rd. 249 Comment
  CAS-BOT-BC219079  Schinus molle Elizabeth McClintock 1961-11-25 s.n. Los Angeles Northridge, northwestern part of San Fernando Valley Comment
  POM186326  Schinus molle L. C. Wheeler 1932-7-9 948 Los Angeles 1 mile SW San Dimas. 244 Comment
  SBBG107472  Schinus molle S. L. Crockett, M. L. Hoefs, S. A. Junak, G. Allan 1996-10-31 548 Los Angeles Mt Black Jack Cmpgrd 451 Comment
  UCR46050  Schinus terebinthifolius G. F. Pratt 1986-7-15 s.n. Los Angeles El Segundo Dunes Comment
  CAS-BOT-BC239928  Schismus arabicus Ernest C. Twisselmann 1966-4-27 10107 Los Angeles Hi Vista 868 Comment
  SBBG128454  Schismus arabicus M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1765 Los Angeles open slope above Parson's Landing 213 Comment
  SFV21010  Schismus barbatus L. Gross 2003-3-7 776 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Verdugo Crestline Dr. (fire road) just north of the 210 Freeway. Entered on the west side at Topley Lane, off of Newhome Ave. in Sunland. Main ridge line between two pylons, parallel with road. 564 Comment
  RSA773528  Schoenoplectus acutus R. G. Swinney 2009-7-1 11296 Los Angeles Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  LA51846  Scrophularia californica subsp. californica W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CATA1019  Scrophularia villosa Mark L. Hoefs 1995-5-4 1936 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  CHSC5106  Scutellaria siphocampyloides M. MacArthur 1967-7-16 91 Los Angeles .7 mi from turn-off on Angeles Crest Hwy. to lower Chilao keeping to right at fork--left side of road. by intermittent stream bed, Angeles National Forest. 1584 Comment
  RSA549513  Scutellaria siphocampyloides Tim S. Ross, Steve D. Boyd 1990-6-18 3467 Los Angeles San Gabriel Mountains: Angeles National Forest. Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1877 Comment
  POM8692  Scutellaria tuberosa P. A. Munz, R. D. Harwood 1920-3-13 3323 Los Angeles San Jose Hills, Ganesha Park. 305 Comment
  RSA0048205  Scutellaria tuberosa L. Haines 1950-3-5 s.n. Los Angeles Chaney Road & Topanga Cyn. Road. 243 Comment
  RSA653905  Selaginella bigelovii Valerie Sosa, Shalini Deo, Stephen Dreher 2000-4-27 812 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, above end of paved Wildwood Canyon Road and below trail along ridgetop to Verdugo Mtwy 595 Comment
  RSA683760  Selaginella bigelovii July N. Ackley 1935-01 328 Los Angeles Big Tujunga. 610 Comment
  POM191  Senecio californicus C. F. Baker 1904-4-15 4178 Los Angeles Claremont. Comment
  SEINET3148687  Senecio californicus G. B. Grant 1905-4-20 1196 Los Angeles Pasadena Comment
  POM199  Senecio californicus I. M. Johnston 1917-3-29 1250 Los Angeles Above Claremont. Comment
  LA200265  Senecio flaccidus var. douglasii Jonathan Sauer; D. Bradbury 1969-7-14 4600 Los Angeles Santa Monica Mountains, above Woodland Hills Comment
  RSA607267  Senecio flaccidus var. douglasii L. C. Wheeler 1931-8-11 S 9 Los Angeles 2 miles northeast of La Verne 377 Comment
  UC127519  Senecio flaccidus var. douglasii H. M. and G. R. Hall 1908-7-4 8334 Los Angeles San Francisquito Canyon Comment
  CAS-BOT-BC341195  Senecio lyonii Carl B. Wolf 1932-5-14 3630 Los Angeles Santa Catalina Island. Between Avalon & Pebbly Beach 30 Comment
  RSA0009751  Senecio lyonii Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UCR209623  Senecio vulgaris R. G. Swinney 2008-12-2 9907 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  JEPS37247  Senecio vulgaris F. W. Peirson 1918-10-21 290 Los Angeles Opids Camp San Gabriel Mts., West Fork San Gabriel River 1219 Comment
  PASA955  Senecio vulgaris Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA592829  Senecio vulgaris L. C. Wheeler 1967-4-8 9178 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. Comment
  UCR130506  Senna artemisioides R. E. Riefner Jr. 2000-8-29 00- 763 Los Angeles Verdugo Hills, [Las Barras] 'La Tuna' Canyon, La Tuna Canyon Rd. at 210 Freeway exit 488 Comment
  SEINET10569486  Sequoia sempervirens David B. Dunn 1939-10-18 Dunn UMO 46522 Los Angeles Cultivated plant growing along Sunset Blvd. near Beverly Hills Hotel. Beverly Hills, Calif. 213 Comment
  RSA402664  Sesuvium verrucosum I. M. Johnston 1917-4-11 s.n. Los Angeles Gardena 16 Comment
  CAS-BOT-BC243538  Setaria italica unspecified 1916-8-1 s.n. Los Angeles unspecified Comment
  UCD14567  Setaria viridis Don Ford 1984-8-10 s.n. Los Angeles California, Los Angeles Co.; Lancaster, Antelope Valley Dairy; Comment
  JEPS97731  Sidotheca trilobata Annetta M. Carter, Arthur Carter 1935-9-13 990 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  CATA1039  Silene gallica Mark L. Hoefs 1995-5-10 1962 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  POM157991  Silene gallica M. B. Dunkle 1928-3-17 1738 Los Angeles Santa Catalina Island, Howland s Landing. Comment
  CAS-BOT-BC387010  Silene gallica Geo. B. Grant 1905-4-2 1206 Los Angeles Pasadena, Southern California Comment
  CAS-BOT-BC387011  Silene gallica A. H. Gallup 1905-4-2 1206 Los Angeles Extreme northwest corner of the property, LASCA Comment
  CAS-BOT-BC387017  Silene gallica Carl B. Wolf 1932-5-9 3456 Los Angeles Santa Catalina Island; Junction of Skyline Drive & Pebbly Beach Road 30 Comment
  LA103366  Silene gallica Barry A. Prigge; 1986-3-19 6926 Los Angeles Santa Monica Mountains, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy 22 Comment
  CAS-BOT-BC175107  Silene verecunda Frank W. Peirson 1922-7-5 4687 Los Angeles N. of Big Pines. San Gabriel Mts. Comment
  UCR159906  Silene verecunda subsp. platyota Orlando Mistretta 1993-7-17 920 05 Los Angeles San Gabriel Mtns, Bear Canyon Trail to Mt Baldy 2049 Comment
  RSA438866  Silene verecunda subsp. platyota F. R. Fosberg, J. Ewan 1931-8-12 4990 Los Angeles San Gabriel Mountains: trail to summit of Mount Islip 2439 Comment
  RSA656973  Silybum marianum Patricia Kouo 1994-5-13 945129 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the west side of Rosemead Blvd., at the most south lake. Comment
  LA212280  Sinapis arvensis William Baker; Lee Haines 1974-3-25 s.n. Los Angeles Open field along Ventura Blvd. just west of Winnetka Ave. 243 Comment
  POM9703  Sinapis arvensis P. A. Munz 1921-4-12 s.n. Los Angeles Claremont. 366 Comment
  CDA3861  Sisymbrium altissimum L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains region; Transverse Ranges; saddle immediately east of Magic Mountain 0 Comment
  RSA428429  Sisymbrium irio Ida Lou Sayler 1942-4-19 s.n. Los Angeles Vacant lot, San Marino Comment
  RSA724772  Sisymbrium officinale K. Dobry 1991-5-2 590 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  SBBG31213  Sisymbrium orientale R. F. Thorne 1966-4-6 25896 Los Angeles beach at White's Landing 1 Comment
  UCR154021  Sisymbrium orientale A. C. Sanders 2005-5-11 30158 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
  RSA431735  Sisymbrium orientale Robert Gustafson 1978-6-1 981 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  HSC13919  Sisyrinchium bellum David Porter 1965-5-14 Los Angeles Along Mulholland Hwy., 1 mi. W of Canyon Rd. 305 Comment
  RSA651592  Sisyrinchium bellum William Gilbert 1969-5-14 s.n. Los Angeles Puddingstone Dam, south of reservoir Comment
  UCR189726  Sisyrinchium bellum R. G. Swinney 1998-7-21 6477 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  UCR200307  Solanum americanum Steve Boyd, Mark A. Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11702 Los Angeles Transverse Ranges; Liebre Mountains, southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains 1024 Comment
  CHSC95861  Solanum douglasii LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 720 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. Sunny east slope just above the bottom of upper part of Brand Canyon. 576 Comment
  OBI35679  Solanum douglasii Rebecca Cicoria 1982-4-25 51 Los Angeles Palos Verdes Peninsula: Lower Purple Cyn, Rolling Hills Comment
  SD90498  Solanum douglasii Robert F. Thorne 1966-4-16 36027 Los Angeles San Clemente Island: rocky slope above Wilson Cove, NE end of island 29 Comment
  UC998925  Solanum douglasii P. O. Schallert 1944-4-27 Los Angeles Monrovia Canyon Comment
  UCR261348  Solanum douglasii R. G. Swinney 2010-3-13 11893 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  RSA599350  Solanum douglasii Louis C. Wheeler 1968-3-17 s.n. Los Angeles Morgan Canyon at Ferguson Motorway 488 Comment
  UCR238082  Solanum elaeagnifolium Mark A. Elvin, Julie M. Vanderwier 2002-7-17 2098 A Los Angeles Western Transverse Range; Santa Clarita Valley, west face of Potrero Mesa, south of Santa Clara River, above Pico Canyon Rd. 305 Comment
  POM249900  Solanum elaeagnifolium J. D. Laudermilk 1939-8-27 s.n. Los Angeles Blaisdell Ranch, 3 mi. north of Claremont. Comment
  SD69035  Solanum elaeagnifolium Robert F. Thorne 1966-9-15 36693 Los Angeles Santa Catalina Island: at riding stables, Avalon 14 Comment
  LA32368  Solanum physalifolium var. nitidibaccatum Peter H. Raven; Henry J. Thompson 1959-10-4 14582 Los Angeles SANTA MONICA MOUNTAINS, Point Mugu, just N of Point Mugu, edges of field by Revolon Slough. 9 Comment
  POM220639  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1932-8-6 1125 Los Angeles 2 mi. NNE Claremont 427 Comment
  CDA5983  Solanum rostratum W. E. Henson 1943-8-6 Los Angeles Southern Western Avenue, Los Angeles. 0 Comment
  RSA611922  Solanum sarrachoides Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  CAS-BOT-BC83636  Solanum umbelliferum L. Abrams 1902-6-17 2556 Los Angeles Santa Monica Mountains. Sepulveda Canyon. Comment
  CAS-BOT-BC83645  Solanum umbelliferum E. Braunton 1903-1-12 796 Los Angeles Laurel Canyon Comment
  POM175471  Solanum umbelliferum F. W. Peirson 1919-6-15 1082 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  RSA427423  Solanum umbelliferum Donald R. Bissing 1973-3-29 24 Los Angeles Evey Canyon, 1/8 mile from canyon mouth 732 Comment
  POM339143  Solanum umbelliferum F. R. Fosberg 1932-5-19 8186 Los Angeles Alluvial ban at mouth of San Dimas Blvd. Comment
  SEINET7262138 Image available Solanum umbelliferum W. G. Granert 1965-6-9 s.n. Los Angeles Santa Monica Mountains; Beverly Hills; Ferrari Dr., 0.5 block from jct. with Summit Ridge Road Comment
  SEINET10938069  Solidago californica Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4791 Los Angeles Santa Catalina Island; Catalina Conservancy Land, Middle Canyon, just downstream of Pump Station #2. Along Middle Canyon Trail (Road), between the Middle Ranch Junction and Cape Canyon Trail. 7-8 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 350 Comment
  POM153279  Solidago confinis P. A. Munz, I. M. Johnston 1928-9-5 11172 Los Angeles Rock Creek, San Gabriel Mountains. 1159 Comment
  RSA473686  Solidago confinis F. R. Fosberg, Joseph A. Ewan 1931-8-13 4942 Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  UCR272576  Solidago velutina subsp. californica R. G. Swinney 2011-9-22 15659 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA0054193  Sonchus oleraceus Richard G. Swinney 2010-4-23 12341 Los Angeles San Gabriel Moutains; lower Loop Canyon, 0.2-0.6 miles upstream from Verterans Park, below US Forest Sercive boundary. 549 Comment
  RSA533523  Sonchus oleraceus Timothy S. Ross 1991-3-9 4172 Los Angeles Whittier Hills (Puente Hills, pro parte): seepage ca 300 ft SW of Colima Rd x Camino del Sur. 213 Comment
  RSA679271  Sonchus oleraceus Valerie L. Soza, LeRoy Gross 2001-5-14 1215 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UCD150976  Sonchus oleraceus D. S. Park 2010-4-29 62 Los Angeles Wildwood Canyon, roadside near first canyon entrance trailhead. 388 Comment
  UCR213420  Sonchus oleraceus A. C. Sanders, Dan S. Cooper 2010-3-12 37323 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  LA209938  Sonchus oleraceus Monte Lloyd; 1950-7-31 500731 953 Los Angeles Campus of University of California at Los Angeles 121 Comment
  SFV11229  Sonchus oleraceus D. K. Shayne 1966-3-9 104 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  UC284186  Sonchus oleraceus P. A. Munz 1923-4-9 6680 Los Angeles 2 mi s Casa Blanca (San Clemente Island); San Clemente Island Comment
  SDSU1124  Sorghum halepense F. Youngberg Los Angeles Orange Orchard near Claremont Comment
  UC53556  Sorghum halepense H. P. Chandler 1902-9-9 2014 Los Angeles raodside near Ballona Lagoon Comment
  POM1007  Sparganium erectum subsp. stoloniferum I. M. Johnston 1917-6-10 1310 Los Angeles Cienega , West of Los Angeles. Comment
  RSA349192  Spartium junceum Donald R. Bissing 1973-5-18 80 Los Angeles Evey Canyon, San Gabriel Mountains: At mouth of canyon just below road embankment on north side of Mt. Baldy Road in Evey Canyon. 707 Comment
  RSA593402  Spartium junceum Steve Boyd, Orlando Mistretta 1996-5-23 8819 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR199981  Spartium junceum Valerie Soza, L. Lubinsky 2001-5-16 1231 Los Angeles Transverse Ranges; Verdugo Mountains, Southeastern edge of Verdugo Mountains, Las Flores Motorway, above Dead Horse Canyon 473 Comment
  UCR259055  Spartium junceum R. G. Swinney 2010-6-21 13302 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  CATA254  Spergularia macrotheca var. macrotheca Mark L. Hoefs, A. Douglas Propst 1973-5-4 256 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  RSA660870  Spergularia macrotheca var. macrotheca Orlando Mistretta 1992-4-4 133 Los Angeles San Clemente Island. Comment
  RSA0098580  Spergularia villosa R. F. Thorne 1966-4-16 36031 Los Angeles San Clemente Island: top of mesa S of Lemon Tank, S of Nanny, NE side of island. 305 Comment
  LA48335  Stachys albens Peter H. Raven; Henry J. Thompson 1960-7-17 15540 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  SEINET9297583  Stachys albens Unknown 2007-8-8 3036 Los Angeles San Gabriel Mtns Comment
  UCR124471  Stachys albens B. C. Templeton 1932-7-20 5015 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SFV5485  Stachys bullata W. A. Kelley Jun 1967 s. n. Los Angeles Santa Monica Mountains Stream near Fire Road #9, near Laurel Canyon. Comment
  UCLA71353  Stachys bullata Miss Courtney 1926-4-3 Los Angeles vic<inity> Los Angeles Comment
  SD30995  Stachys rigida var. rigida Edith A. Purer 1931-3-12 960 Los Angeles Palos Verdes. Comment
  RSA235087  Stanleya pinnata James Henrickson 1971-5-2 5542 Los Angeles 15 miles E of Palmdale, S slope of Lovejoy Buttes. 854 Comment
  RSA596231  Stanleya pinnata var. pinnata Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3389 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  SD90492  Stebbinsoseris heterocarpa Robert F. Thorne 1966-4-16 36053 Los Angeles San Clemente Island; rocky slope above pebbly beach; 0.5 mile southsoutheast of Eel Point, southwest side of island. Comment
  RSA596831  Stellaria media Timothy S. Ross, J. Mark Porter 1995-5-4 8491 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA596952  Stellaria media Scott D. White, Chet McGaugh 1995-5-9 3015 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14., Sunshine Canyon Landfill property; site proposed for landfill expansion. 457 Comment
  UCR281380  Stellaria media R. G. Swinney 2014-5-15 16521 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
  RSA0093399  Stephanomeria Mitch Provance, Scott Duff 2015-9-11 1115 -08 Los Angeles Antelope Valley: S side of Hwy 138, c. 4.7 miles W of Antelope Acres, SCE transmission route, c. 0.2 miles E of 140th St. W. 790 Comment
  RSA526143  Stephanomeria blairii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4137 Los Angeles San Clemente Island: Stone House field station on E side of island, headland between Stone & Burns Canyons. 457 Comment
  RSA614141  Stephanomeria parryi L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge, at head of Brainard Canyon. 1402 Comment
  UC217678  Stephanomeria pauciflora Katharine Brandegee Los Angeles Ravenna Comment
  RSA595584  Stephanomeria pauciflora var. pauciflora Lauren Raz, S. D. Boyd 1996-10-23 060 Los Angeles Liebre Mountains. Cienega Campground. Ca. four miles along Forest Service Road 6N32 from saddle between Warm Springs and Fish Canyon 670 Comment
  POM199716  Stephanomeria virgata I. W. Clokey, B. C. Templeton 1929-06 4581 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  UCR100430  Stephanomeria virgata Scott D. White, Pam DeVries 1997-11-20 6023 Los Angeles San Gabriel Mtns., Big Tujunga Wash, west of Sunland, SW of I-210 freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  RSA474196  Stephanomeria virgata Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  UCR263048  Stephanomeria virgata subsp. virgata Mitch Provance, Callen Huff 2009-6-26 609- 04 Los Angeles Tehachapi Mountains Foothills/W Mojave Desert, Neenach, water reserve near the intersection of 300th St. W and W Ave. A 930 Comment
  UCR125934  Stillingia linearifolia A. C. Sanders, Mark Elvin 2002-6-19 25191 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
  IRVC27432  Stillingia paucidentata B. Pitzer 1998-5-12 3689 Los Angeles c. 18 air mi. NW of Adelanto & 12.8 mi (airline) W of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. N of junction with El Mirage Rd. (= Ave. "P"), 0.25 mi. E of 240th St., and c. 3.4 mi. S of Ave. "J." Western Mojave Desert 866 Comment
  RSA0055950  Stipa lepida Richard G. Swinney 2010-4-30 12471 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway. 549 Comment
  UCR125634  Stipa speciosa A. C. Sanders 2003-5-26 25864 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  RSA187649  Stuckenia pectinata Robert F. Thorne 1966-9-14 36673 Los Angeles Santa Catalina Island. Bank along Cottonwood Creek near Isthmus road 30 Comment
  CAS-BOT-BC376008  Stylocline gnaphaloides Geo. B. Grant 1901-4-1 1256 Los Angeles Avalon, Catalina Isl. Comment
  RSA4801  Suaeda calceoliformis James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Station #4, Plant #5 Comment
  CAS-BOT-BC110415  Suaeda taxifolia L. R. Abrams; I. L. Wiggins 1931-7-7 407 Los Angeles Santa Catalina Island. Catalina Harbor. Comment
  UC7237  Suaeda taxifolia W. H. Brewer 1860-12-21 79 Los Angeles Sierra Santa Monica Comment
  CAS-BOT-BC234670  Symphoricarpos mollis P. A. Munz; R. D. Harwood 1920-5-17 3988 Los Angeles Topango Canon [Topanga Canyon], Santa Monica Mtns 152