Search Results — 2000 specimen records retrieved (1574 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
  UC7609  Abronia maritima J. H. Barber 1907-1-25 Los Angeles So. Santa Monica Comment
  RSA33480  Abronia umbellata Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  CHSC26544  Acacia longifolia D. Freed 1967-5-20 97 Los Angeles 1/4 mile west of Rose Bowl, Pasadena. 76 Comment
  CSUSB1300  Acacia melanoxylon Rand Ch. Isbell 1970-5-10 12 A Los Angeles Palos Verdes Peninsula in a barley field at the intersection of Palos Verdes Drive and Hawthorne Blvd. 60 Comment
  UCR125783  Acacia melanoxylon A. C. Sanders 2003-5-26 26845 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
  UCD170141  Acanthoscyphus parishii R. G. Swinney 1998-7-2 6267 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1963 Comment
  RSA394175  Acer macrophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6731 Los Angeles San Dimas Canyon, bottom of canyon Comment
  UC284810  Acer macrophyllum P. A. Munz 1923-5-26 6833 Los Angeles Big Rock Creek , Big Rock Creek (San Gabriel Mts.) 1920 Comment
  RSA0051231  Acer macrophyllum James R. Shevock 1976-4-24 5020 Los Angeles San Gabriel Mountains, Angeles National Forest. 1386 Comment
  RSA416193  Achillea millefolium var. californica F. R. Fosberg 1931-4-9 7168 Los Angeles Avalon. Santa Catalina Island. 5 Comment
  RSA730720  Achnatherum hymenoides R. G. Swinney 1997-6-13 5585 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. Ridge; pinyon-juniper woodland and chaparral. 1829 Comment
  SEINET10892654  Achnatherum hymenoides Adolph D. E. Elmer Elmer 3617 Los Angeles Lancaster. Comment
  RSA732918  Achnatherum occidentale subsp. occidentale R. G. Swinney 1999-8-16 7655 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope, 2445 Comment
  RSA250335  Achnatherum parishii R. F. Thorne, Larry E. DeBuhr 1972-8-18 42252 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  RSA587389  Achnatherum speciosum Orlando Mistretta 1992-5-8 278 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E of Little Rock Creek Reservoir 1067 Comment
  RSA679876  Achnatherum speciosum LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 859 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA713258  Achnatherum speciosum LeRoy Gross 2005-5-3 2221 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. 1085 Comment
  SBBG52683  Acmispon americanus F. R. Fosberg 1931-7-11 4386 Los Angeles middle of Cape Cyn 200 Comment
  UCD103985  Acmispon argophyllus var. fremontii Marc Blain 1993-4-16 18 Los Angeles San Gabriel Mountains, 3.5 miles North of Greenridge Ave. on Angeles Crest Highway. 762 Comment
  SBBG120127  Acmispon brachycarpus A. C. Sanders 2005-5-5 29948 Los Angeles W edge of Cruzan Mesa, N of Bench Mark "Plum"; Santa Clarita area 671 Comment
  SD252327  Acmispon dendroideus var. dendroideus Steven A. Junak 1999-5-22 Sca 110 Los Angeles Santa Catalina Island: At Goat Harbor. 3 Comment
  SDSU4346  Acmispon glaber Gerald Collier 1951-3-16 3648 Los Angeles Faculty hill; 1/4 mile west of UCLA campus. Comment
  SBBG67379  Acmispon grandiflorus var. grandiflorus R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  SDSU4350  Acmispon strigosus A. H. Gallup 1948-3-27 125 Los Angeles Claremont-Open fields. 366 Comment
  RSA711925  Acourtia microcephala Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1360 Los Angeles Crest of Verdugo Mountains, Verdugo Lateral off Verdugo Mtwy. 823 Comment
  RSA390564  Adenostoma fasciculatum Anstruther Davidson 1889-1 s.n. Los Angeles Glendale. Comment
  RSA0124091  Adenostoma fasciculatum Louis C. Wheeler 1967-7-15 10012 Los Angeles West end. Waterman Mt. 61 Comment
  RSA276020  Adenostoma fasciculatum var. fasciculatum Jack Delaini 1974-5-9 179 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest 762 Comment
  RSA650365  Adenostoma fasciculatum var. fasciculatum R. Carlston 1961-5-8 s.n. Los Angeles 4th of July Cove, Catalina Island. Comment
  RSA687670  Adiantum capillus-veneris E. Crow 1928-10-21 1 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA687678  Adiantum capillus-veneris M. B. Dunkle 1928-3-9 1721 Los Angeles Santa Catalina Island, Silver Canyon. 168 Comment
  RSA616134  Adiantum jordanii L. C. Wheeler 1967-5-18 9628 Los Angeles San Gabriel Mountains: Placerita Canyon. T4N R15W sec. 4. 518 Comment
  RSA687716  Adiantum jordanii House s.n. Los Angeles San Clemente Island Comment
  UCR259752  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
  RSA584296  Ageratina adenophora T. S. Ross, Orlando Mistretta 1993-5-27 7333 Los Angeles Wilson Canyon, along the riparian strip. 588 Comment
  RSA724636  Agoseris grandiflora K. Dobry 1992-10-25 D- 1086 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  UC129597  Agoseris grandiflora var. grandiflora H. M. Hall 7393 Los Angeles vicinity Elizabeth Lake Comment
  CAS-BOT-BC13418  Agoseris retrorsa Timothy S. Ross 1994-5-31 7975 Los Angeles San Gabriel Mountains. Pacifico Mountain: ridgetop ca 860 m WNW of the 7124-ft summit 2081 Comment
  RSA416384  Agoseris retrorsa B. C. Templeton 1947-5-21 6262 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  SEINET14412058  Agrostis R. G. Swinney 2008-1 9237 Los Angeles Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  UCR210124  Agrostis R. G. Swinney 2008-7-24 9351 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA550419  Agrostis exarata Timothy S. Ross 1992-7-10 6660 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  RSA607826  Agrostis exarata L. C. Wheeler 1947-6-8 6515 Los Angeles San Gabriel Mountains: Millard Canyon. Comment
  UC205253  Agrostis exarata I. M. Johnston 1917-7-28 1510 Los Angeles N. Fk San Antonio Canyon <?> San Antonio Mountains 2682 Comment
  SEINET3282791 Image available Agrostis stolonifera R. G. Swinney 2008-10-16 9585 Los Angeles San Gabriel Mtns.; Jackson Lake, south side of Big Pines Highway. 1872 Comment
  UC205245  Agrostis viridis D. L. Crawford 1916-5-20 Los Angeles mountains above Claremont Comment
  UCR177308  Ailanthus altissima LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1028 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon 262 Comment
  SEINET10667010  Allium ampeloprasum Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2526 Los Angeles The Farmers Market, 6333 3rd St. Stand: The Fruit Company. Comment
  CHSC95921  Allium burlewii LeRoy Gross; Valerie Soza 2003-6-10 1017 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. UTM Zone; 3793403N 0439641E. Just off the trail. 2896 Comment
  UC1971151  Allium fimbriatum var. fimbriatum Louis C. Wheeler 1973-4-21 Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. Comment
  POM1639  Allium haematochiton Philip A. Munz 1918-4-11 2049 Los Angeles Lone Hill near Glendora. Comment
  RSA70220  Allium haematochiton F. W. Peirson 1921-4-21 2401 Los Angeles Trail below Sycamore Flat, on way to San Dimas, San Gabriel Mountains. Alt. 2600 ft. 793 Comment
  RSA367166  Allium lacunosum var. davisiae Carl Epling, L. Ellison 1930-4-17 s.n. Los Angeles Palmdale. Comment
  RSA638957  Allium monticola L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  SBBG133130  Allium peninsulare S. A. Junak 1996-4-13 SCI- 309 Los Angeles 0.09 mi NW of Camera Pad "Malo", W of head of 3rd cyn S of Bryce Cyn, in small swale 365 Comment
Read comments
Aug 5 2019
  UC557647  Allium praecox Nell Murbarger May, 1936 227 Los Angeles w side of San Clemente Island San Clemente Island Comment
  SBBG98490  Allium praecox T. Ross 1991-5-21 5410 Los Angeles jct of upper forks of Box Cyn, SW side of island 449 Comment
  RSA507970  Allophyllum divaricatum Steve Boyd, T. S. Ross 1988-4-28 2224 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 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
  CAS-BOT-BC170972  Alnus rhombifolia Lewis S. Rose 1935-12-26 34503 Los Angeles Arroyo Seco, Altadena Comment
  RSA302702  Alnus rhombifolia Jim Shevock 1970-4-8 107 Los Angeles L.A. Pierce College. 244 Comment
  RSA329732  Alnus rhombifolia Gary D. Wallace 1966-3-25 214 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  RSA482493  Alnus rhombifolia Richard Noyes 1987-10-17 458 Los Angeles San Gabriel Mountains. San Antonio Canyon. One-half mile north of Mt. Baldy road tunnels along gated road leading to power station. 1037 Comment
  UCR205955  Alnus rhombifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37074 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
  RSA611362  Amaranthus albus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA597276  Amaranthus blitoides T. S. Ross, Steve D. Boyd 1990-6-18 3511 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  RSA786330  Amaranthus blitoides K. Dobry 1991-6-27 783 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  UC310493  Amaranthus blitoides Philip A. Munz Nov 1925 10812 Los Angeles Claremont 365 Comment
  SBBG32084  Amblyopappus pusillus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -232 Los Angeles Indian Head Pt Comment
  SD90425  Amblyopappus pusillus Robert F. Thorne 1966-4-16 36035 Los Angeles San Clemente Island; sandy bank of old, raised beach, 2/3 miles southsoutheast of Eel Point and north of Seal Cove; southwest side of island. 29 Comment
  SEINET4560557  Ambrosia acanthicarpa R. G. Swinney 2009-1 11611 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 920 Comment
  RSA248858  Ambrosia chamissonis R. F. Thorne 1973-4-11 42876 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  CAS-BOT-BC55552  Ambrosia psilostachya Lewis S. Rose 1966-12-24 66115 Los Angeles Westwood Village 121 Comment
  JEPS41036  Ambrosia psilostachya Elizabeth Day Palmer 1908-8-7 Los Angeles Los Angeles Comment
  UCR255484  Ambrosia psilostachya Dan S. Cooper 2014-6-12 614- 13 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, west edge of Wilson-Harding Golf Course, east of Boys Camp Rd. 149 Comment
  RSA127976  Ambrosia psilostachya Peter H. Raven, Henry J. Thompson 1959-10-18 14674 Los Angeles Santa Monica Mountains north arm of Malibu Lake 220 Comment
  CAS-BOT-BC142546  Amelanchier utahensis R. F. Thorne; M. Z. Thorne 1969-7-10 38420 Los Angeles San Gabriel Mtns., Angeles National Forest: wet bed of small stream, c. 1.5 miles W of Wrightwood 1950 Comment
  SD230253  Ammannia coccinea Louis C. Wheeler 1946-9-2 6335 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  RSA177944  Amorpha californica var. californica Joseph A. Ewan 1931-5-16 4212 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 304 Comment
  RSA0079973  Amsinckia intermedia R. F. Thorne 1971-3-31 41443 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  UCR149969  Amsinckia menziesii Scott D. White 2004-5-5 10303 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  RSA0023297  Amsinckia menziesii R. F. Thorne 1980-4-25 54129 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  RSA598942  Amsinckia menziesii var. menziesii Steve Boyd, Timothy S. Ross 1997-3-21 9191 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR71289  Amsinckia spectabilis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4311 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  CHSC8309  Amsinckia tessellata Edward L. Smith 1958-2-18 315 Los Angeles Located in Cobal Canyon. San Gabriel Mt. Range. 60 Comment
  RSA711440  Amsinckia tessellata var. tessellata LeRoy Gross 2005-5-19 2305 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  RSA653783  Anagallis arvensis J. Bogdanoff-Lord 1989-5-21 21 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  LA201854  Anagallis arvensis Arthur C. Gibson; 2003-4-15 4986 Los Angeles Simi Hills, Box Canyon, along hiking trail along Box Canyon Rd, ca 0.5 km S of Pioneer Pass 496 Comment
  POM3618  Anagallis arvensis C. N. Carter 1909-5-11 s.n. Los Angeles [No location data on label] Comment
  CAS-BOT-BC45260  Ancistrocarphus filagineus Steve Boyd; Lauren Raz 1997-4-16 9511 Los Angeles Liebre Mtns, Lower Apple Canyon, due E of the confluence of Canda de Los Alamos (Lower Hungry Vly) and Peace Vly and I-5 853 Comment
  RSA732538  Ancistrocarphus filagineus A. C. Sanders 2003-4-29 26169 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, N of Charlie Canyon and E Lake Hughes Rd. 396 Comment
  SEINET7594995 Image available Andropogon glomeratus Louis C. Wheeler 1946-1 6343 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile W of Bear Creek 518 Comment
  CAS-BOT-BC400317  Anemopsis californica L. R. Abrams 1901-6-1 1733 Los Angeles Mesmer Comment
  UCR123627  Anemopsis californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25481 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCD97917  Anredera cordifolia Peter Shamble 1964-12-18 s.n. Los Angeles Excel Lawn Service, 3440 N. Magnum St., Baldwin Park. Comment
  CAS-BOT-BC84663  Anthemis cotula Le Roy Abrams 1901-6-6 1732 Los Angeles Mesmer Comment
  UCR189408  Anthriscus caucalis R. G. Swinney 1998-5-25 6152 Los Angeles San Gabriel Valley, Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  RSA131244  Antirrhinum coulterianum Percy C. Everett, E. K. Balls 1959-6-2 23830 Los Angeles 1 mile NE of Entrance to Stokes Canyon 229 Comment
  POM72419  Antirrhinum kelloggii Philip A. Munz 1925-4-23 9431 Los Angeles San Gabriel Canyon. 488 Comment
  RSA600149  Antirrhinum kelloggii Steve D. Boyd, Lauren Raz 1997-5-6 9740 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA128266  Antirrhinum kelloggii H. J. Thompson 1959-4-12 1918 Los Angeles 2 miles west of Las Virgenes Road, Mulholland Hwy. Santa Monica Mountains. 305 Comment
Read comments
Aug 26 2009
  SBBG125446  Antirrhinum multiflorum A. Parikh, N. Gale 2010-6-16 3314 Los Angeles Upper Shortcut Cyn, 0.1 km S of St Hwy 2, 0.5 km E of intersection of St Hwy 2 and Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1440 Comment
  SBBG131565  Aphanes occidentalis S. A. Junak 2000-4-15 SCa 1200 Los Angeles W side of rd to Lone Tree, ca. 0.1 mi from junction with Divide Rd 478 Comment
  SEINET4044585 Image available Apiastrum angustifolium D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Puerco Canyon. 182 Comment
  UC1587661  Apocynum androsaemifolium Tim Ross 1991-8-14 5776 Los Angeles Roundtop Mt. San Gabriel Mts., Chilao Flat USGS 7.5' Quad 1722 Comment
  UC22893  Apocynum cannabinum J. H. Barber 1897-6-30 222 Los Angeles Pierson's Mine Comment
  RSA69920  Apocynum cannabinum F. W. Peirson 1918-6-18 146 Los Angeles Devil s Punch Bowl, Rock Creek Comment
  UCR51497  Aptenia cordifolia A. C. Sanders 1987-12-4 7448 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  POM306225  Aquilegia formosa Henry J. Ramsey, Henry J. Ramsey 1937-7-18 s.n. Los Angeles Soldiers' Creek, San Gabriel Mountains. Comment
  RSA0126172  Arabis glabra var. glabra R. F. Thorne, M. Z. Thorne 1967-7-19 37166 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area 1981 Comment
  RSA588904  Arabis glabra var. glabra Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-8 2942 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  UCR78139  Arabis pulchra Wandalee Thompson 1964-4-11 19 Los Angeles Transverse Range; Liebre Mtns., De La Fodor Ranch, Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  UCR193165  Arabis repanda R. G. Swinney 1998-7-14 6440 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  UCR189861  Aralia californica R. G. Swinney 1998-7-28 6515 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  SBBG37682  Arctostaphylos catalinae R. Moran 1941-2-28 651 Los Angeles head of Johnson's Cyn 400 Comment
Read comments
Mar 14 2012
  RSA626709  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-8-20 20181 -a Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA138250  Arctostaphylos glandulosa subsp. mollis P. H. Raven 1959-3-8 13840 Los Angeles Mulholland Dr., 5 miles west of Topanga Canyon 366 Comment
  POM292906  Arctostaphylos glauca Lyman Benson 1945-1-20 11593 Los Angeles North Fork San Gabriel River 915 Comment
  RSA631434  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15613 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA631554  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15852 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631570  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15645 Los Angeles Angeles Forest Highway, 1.8 km south of Hidden Springs Cafe. 850 Comment
  RSA631583  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15627 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA631604  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15628 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631622  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15772 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  RSA652406  Arctostaphylos glauca C. J. Humphrey 1936-6-5 244 Los Angeles Los Angeles. Comment
  RSA9796  Arctostaphylos glauca I. M. Johnston 1917-1-28 40 Los Angeles north of San Antonio Canyon Comment
  RSA634336  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22127 Los Angeles Campground below Mt. Baldy ski lift, San Gabriel Mtns. 1880 Comment
  RSA634725  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20524 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634737  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20604 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634779  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20337 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634800  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20484 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA634808  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20455 Los Angeles Pinyon Flats, N of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1610 Comment
  RSA634896  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20406 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA635195  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20392 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  UCR190938  Arctostaphylos patula R. G. Swinney 1998-7-2 6245 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA423569  Arenaria macradenia var. arcuifolia Bonnie C. Templeton 1932-8-25 5081 Los Angeles Table Mtn., Big Pines Park, San Gabriel Mountains 2037 Comment
  RSA230730  Argemone munita Robert F. Thorne, M. Z. Thorne 1969-7-9 38487 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  RSA628624  Aristida adscensionis var. modesta Steven A. Junak 1997-3-11 751 Los Angeles San Clemente Island: Extreme SE end of island, at base of SE side of Sibara Ridge, ca. 0.35 miles S of Triangulation Station 'Guds' 107 Comment
  SD181777  Aristida purpurea var. parishii LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 400 Los Angeles LA Basin, Vedugo Mtn Reg, NW side, N of Ledge Ave & Tuxford St, W of McDonald Ck, City of Sun Valley; Burbank [quad]. On ridge that runs down to mouth of McDonald Ck, on W side of creek, on sunny S-facing slope on hill to E of ridge. 366 Comment
  CAS-BOT-BC146298  Aristida ternipes var. gentilis George B. Grant 1905-4-2 66 -6459 Los Angeles Altadena. Comment
  SBBG127987  Artemisia douglasiana M. L. Hoefs, S. A. Junak 1996-7-9 2735 Los Angeles Lower Cape Cyn Reservoir, Cape Cyn 237 Comment
  SEINET221464  Artemisia douglasiana Mark Hoefs 1973-7-20 395 Los Angeles Santa Catalina Island: By the northwest corner of Middle Ranch Reservoir. 183 Comment
  UCR205694  Artemisia douglasiana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37023 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
  UCR239974  Artemisia douglasiana R. G. Swinney 2009-11-16 11640 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCSB27652  Artemisia dracunculus Lavinger, S. 1975-10-26 Los Angeles At Charlton Flats Camp Grounds, near camp site #21; San Gabriel Mountains 1645 Comment
  SBBG11028  Artemisia nesiotica R. Moran 1958-9-15 6833 Los Angeles cyn 1.8 mi SE of Eel Pt 100 Comment
  SD66835  Artemisia nesiotica R. Mitchel Beauchamp 1967-3-17 246 Los Angeles San Clemente Island; on slope east of Wilson Cove. Comment
  SBBG62485  Artemisia tridentata subsp. parishii R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, below Bob's Place Comment
  UCR126861  Asclepias californica A. C. Sanders 2003-4-29 26173 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  RSA588922  Asclepias californica T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2929 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA681050  Asclepias eriocarpa Scott D. White 2003-6-2 9448 Los Angeles City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR223350  Asclepias eriocarpa R. G. Swinney 2009-7-29 11417 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  HSC3300  Asclepias eriocarpa C. E. Fellows 1965-9-7 160 Los Angeles 1/4 mi. up Hwy. from Charlton Flats Information Station, N side of Angeles Crest Hwy. 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
  CATA1681  Asclepias fascicularis Mark L. Hoefs, Steven A. Junak, Bob Given, Keri Kirkland 1998-7-17 2973 Los Angeles Santa Catalina Island: At junction of Grand Canyon and Silver Canyon 109 Comment
  IRVC28693  Asclepias fascicularis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25471 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  SEINET3158760  Asclepias fascicularis G. B. Grant 1994-7-8 63 -6319 Los Angeles at Cienega Comment
  UCR223681  Asclepias fascicularis R. G. Swinney 2009-6-17 11154 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  POM8707  Asclepias fascicularis P. A. Munz, R. D. Harwood 1920-8-11 4386 Los Angeles 1 mi. So. of Claremont. 366 Comment
  LA94119  Aspidotis californica Lawrence L. Kiefer; 1966-3-26 1793 Los Angeles SANTA MONICA MOUNTAINS, Greenleaf Canyon, N of Topanga. 259 Comment
  POM307090  Aspidotis californica Henry J. Ramsey, Henry J. Ramsey 1939-1-1 1965 Los Angeles Eaton Canyon, Altadena. Comment
  UCR110589  Aster greatae L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mtns., Graveyard Canyon Comment
  RSA0033876  Astragalus John F. Emmel 1997-4-28 1466 Los Angeles Sierra Pelona; along USFS Road 6N07, 0.8 road mile ENE of junction with Road 6N08. 1389 Comment
  UC1614045  Astragalus Charles M. Belshaw 1935-3-29 494 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp); West Antelope Valley, La Liebre Scarp Comment
  CAS-BOT-BC177525  Astragalus bicristatus I. M. Johnston 1918-7-6 2056 Los Angeles Prairie Fork of San Gabriel River 2133 Comment
  RSA0006711  Astragalus bicristatus P. A. Munz 1921-6-18 4593 Los Angeles San Antonio Mountains, head of Swartout [Swarthout] Valley. 2072 Comment
  RSA230738  Astragalus bicristatus R. F. Thorne, M. Z. Thorne 1969-7-9 38542 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  SBBG68221  Astragalus didymocarpus var. dispermus R. Hoffmann 1929-4-27 Los Angeles near Roosevelt Comment
  CAS-BOT-BC182836  Astragalus douglasii Wesley O. Griesel 1962-6-7 s.n. Los Angeles Big Pines, San Gabriel Mts. 1066 Comment
  UC284764  Astragalus douglasii var. douglasii P. A. Munz 1923-8-31 7696 Los Angeles Mescal Creek , Mescal Creek (San Antonio Mts.) 1950 Comment
  UC57472  Astragalus douglasii var. douglasii J. H. Barber 1897-6-28 204 Los Angeles Kentucky Springs Comment
  RSA90233  Astragalus douglasii var. douglasii F. W. Peirson 1919-5-10 397 Los Angeles Arraster [Arrastre] Creek. 976 Comment
  CAS-BOT-BC178344  Astragalus gambelianus Geo. B. Grant 1903-4-23 5438 Los Angeles Saugus Comment
  RSA230655  Astragalus leucolobus R. F. Thorne 1969-7-9 38501 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Table Mt. 2133 Comment
  UC1587707  Astragalus nevinii Tim Ross, Orlando Mistwetta, Mike Hammitt 1991-5-17 5086 Los Angeles sw new landing field (coastal terrace at West Cove, San Clemente Island); San Clemente Island, West Cove 6 Comment
  UC557768  Astragalus nevinii Nell Murbarger April, 1936 124 Los Angeles w side and s end San Clemente Island (near the ocean); w side and s end San Clemente Island Comment
  SBBG68238  Astragalus purshii var. tinctus R. Hoffmann 1929-5-19 Los Angeles Los Angeles Recreation Park 1828 Comment
  LA210508  Astragalus trichopodus var. lonchus T. R. Huggins; 2013-3-16 13- 13 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, Corral Canyon Rd ; ca. 1.2 mi from Pacific Coast Highway. 129.0 Comment
  POM49322  Astragalus trichopodus var. lonchus L. W. Nuttall 1920-5-31 s.n Los Angeles Big Wash Canyon, Santa Catalina Island. Comment
  RSA415743  Astragalus trichopodus var. lonchus Floy Stanley 1928-3-18 14538 Los Angeles El Segundo. Comment
  RSA524185  Astragalus trichopodus var. phoxus T. S. Ross, S. D. Boyd 1990-6-6 2861 Los Angeles 0.3 miles ESE of Oak Flat Spring near the intersection of Threemile Grade x the road W to Camp Caula; Los Padres National Forest (admin. by Angeles N.F.). 840 Comment
  UCD105458  Astragalus trichopodus var. phoxus E. R. Burroughs 1921-5-19 s.n. Los Angeles Tarzana Ranch, Van Nuys. Comment
  UCR101218  Athyrium filix-femina var. cyclosorum L. C. Wheeler 1954-9-1 7074 Los Angeles San Gabriel Mtns., Little Rock Creek, c. 1 mi downstream from Cooper Creek 1677 Comment
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Oct 12 2010
  IRVC29073  Atriplex canescens subsp. canescens June Latting 1976-10-6 s.n. Los Angeles Mountain foothills/Mojave Desert: Bob's Gap and Valyermo Road Transverse Ranges, San Gabriel Mountains 1250 Comment
  UCR94693  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13957 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  UCR265465  Atriplex coronata Jordan Zylstra 2015-6-5 15005 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1015 Comment
  RSA593583  Atriplex lentiformis Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8908 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA303591  Atriplex lentiformis subsp. breweri J. R. Shevock 1972-11-30 2294 Los Angeles Point Dume. 3 Comment
  UCR24118  Atriplex lentiformis subsp. breweri John C. Roos 1942-9-12 1724 Los Angeles South Coast/Santa Monica Mtns., northwest of Santa Monica 30 Comment
  UC444328  Atriplex parryi Parry 1881-1 282 Los Angeles Colton Lancaster; Mohave Desert; Colton, Lancaster, Mohave Desert Comment
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Mar 1 2011
  SBBG72586  Atriplex rosea R. Hoffmann 1927-8-30 Los Angeles W of Castaic Comment
  SBBG98680  Atriplex semibaccata T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5064 Los Angeles lower Wilson Cove Cyn; draw SW of and above pier operations 15 Comment
  RSA0073125  Atriplex semibaccata Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 24 Los Angeles Santa Catalina Island. Deer Valley Trail. 62 Comment
  UC1354391  Atriplex semibaccata Delzie Demaree 1959-7-15 41331 Los Angeles P.O. San Pedro P.O. San Pedro (vacant dry lots) Comment
  UCR108401  Atriplex serenana var. serenana L. C. Wheeler 1968-9-21 s.n. Los Angeles Saugus, E side of railroad 398 Comment
  RSA453973  Atriplex watsonii Anstruther Davidson 1896-10 2940 Los Angeles San Pedro. Comment
  SD53055  Atriplex watsonii Peter H. Raven 1962-7-10 17950 Los Angeles Near west shore of island due west of Wall 2. Comment
  RSA547792  Avena barbata Timothy S. Ross, Peter Fritsch 1990-6-20 3687 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA385390  Avena fatua Gary D. Wallace 1979-4-12 1675 Los Angeles Monrovia. Comment
  SBBG98688  Avena fatua T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5052 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  SEINET6082852  Avena fatua Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  CAS-BOT-BC53695  Azolla filiculoides Robert F. Thorne; D. Propst; M. Hoefs 1974-9-12 45109 Los Angeles Santa Catalina Island: on surface of stream and reservoir in Cottonwood Canyon below Rancho Escondido. 106 Comment
  RSA612188  Baccharis pilularis L. C. Wheeler 1971-11-22 s.n. Los Angeles San Gabriel Mountains: Buck Canyon off Little Tujunga Comment
  IRVC24044  Baccharis pilularis subsp. consanguinea Fred M. Roberts, Gordon Marsh 1985-10-16 2479 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
  UCR187000  Baccharis salicifolia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32228 Los Angeles Tehachapi Mtns. Foothills, near Oso Pumping Plant on the California Aqueduct, just below the Kern Co. line along the road to the pumping plant 939 Comment
  JEPS49063  Baccharis salicifolia subsp. salicifolia Lewis S. Rose 1966-12-18 66113 Los Angeles Santa Monica Mountains, Franklin Canyon 335 Comment
  SEINET7003040  Baeria chrysostoma Wanda P. Vestal, A. G. Vestal 1955-3-26 3486 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  RSA786890  Bellis perennis Doris Bowers 1957-3-6 534 Los Angeles LaVerne College lawn (University of LaVerne) 457 Comment
  UCR159955  Berberis nevinii Valerie Soza, Steve Boyd, G. D. Wallace 2000-3-28 653 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mtns, S side: Cobal Canyon, Claremont Hills Wilderness Park, west of fire road up Cobal Canyon, above junct of Burbank and Cobal fire roads 518 Comment
  UC53909  Bidens laevis Ernest Braunton Sep 1902 665 Los Angeles L. A. River Comment
  UC30570  Bidens pilosa J. H. Barber 1897-5-24 158 Los Angeles Exp't Station, Santa Monica Santa Monica, Exp't Station Comment
  RSA623944  Bidens pilosa C. J. Fotheringham 1996-4-20 133 Los Angeles 4264 Verdugo View Dr. Eagle Rock. 600 Comment
  SEINET3146114  Blepharipappus elegans G. B. Grant 1905-4-20 109 Los Angeles Pasadena Comment
  RSA670599  Bloomeria crocea B. C. Templeton 1930-5-27 1465 Los Angeles Near Mulholland Drive. Santa Monica Mountains. 300 Comment
  POM147819  Bloomeria crocea var. crocea Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  POM183611  Bloomeria crocea var. crocea Joseph A. Ewan 1929-5-25 3496 Los Angeles Ridge above Providencio Rancho. Comment
  RSA482678  Boechera B. C. Templeton 1932-5-31 4849 Los Angeles Big Pines Camp 2260 Comment
  SBBG72391  Boechera arcuata R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  CATA3503  Bothriochloa barbinodis Julia Parish, Olivia Reda 2017-8-29 034 Los Angeles Santa Catalina Island: Avalon; Baker's Dam on Falls Canyon Road by water tanks 110 Comment
  CAS-BOT-BC95440  Bowlesia incana Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4302 Los Angeles San Clemente Island, E side of island near Malo Point, first canyon S of Bryce Canyon Comment
  IRVC26317  Bowlesia incana A. C. Sanders, Andy Thompson 2003-4-15 25995 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  LA35919  Bowlesia incana Peter H. Raven; 1960-4-2 14858 Los Angeles Santa Monica Mountains, Old Topanga Canyon, 0.9 mi. S of Dry Canyon road 335 Comment
  RSA660822  Bowlesia incana LeRoy Gross 2001-5-6 385 Los Angeles Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley Comment
  LA202157  Boykinia occidentalis Dorothy Steinicke; 2004-7-13 Los Angeles 234 Comment
  RSA674584  Boykinia rotundifolia Scott D. White 2000-8-25 8124 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  SD69363  Brachypodium distachyon P. Everett 1965-5-11 34567 Los Angeles N beach of Little Harbor, Santa Catalina Island. 2 Comment
  UC1117452  Brachypodium distachyon Peter H. Raven 1962-5-20 17771 Los Angeles road above Pebbly Beach (Santa Catalina Island); Santa Catalina Island 60 Comment
  LA210053  Brassica rapa Leo Boyd; 1953-4-1 Los Angeles Faculty Hill U.C.L.A. Campus Comment
  CHSC98714  Brickellia californica LeRoy Gross 2000-10-28 298 Los Angeles Verdugo Moountains; Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road). Open west facing side of ridge, area around this area burned about 5 years ago (fire island), below reservoir. 304 Comment
  JEPS30437  Brickellia californica Peter H. Raven and Henry J. Thompson 1959-10-31 14725 Los Angeles Roadside banks in coastal sage, Manderville Canyon 5.8 mi N of Sunset Boulevard, Santa Monica Mountains. 365 Comment
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May 9 2014
  RSA94119  Brickellia californica F. W. Peirson 1918-9-7 221 Los Angeles Upper end of Eaton Canyon 1524 Comment
  SEINET11861351  Brickellia californica M. T. Doutt 1931-9-6 632 Los Angeles Sierra Madre Mts., Mt. Home 1524 Comment
  PASA2165  Brickellia nevinii Frank W. Peirson September, 1918 Los Angeles Near foot of Mt. Wilson Toll Road 396 Comment
  RSA737560  Brickellia nevinii Sandra Leatherman 1999-6-18 80 Los Angeles Transverse Ranges, Santa Susana Mtns region, Dayton Canyon 341 Comment
  SEINET11837876  Brickellia nevinii D. P. Reagan 1974-1 17 Los Angeles Hasley Canyon, about 2 mi NW of Valencia Comment
  CAS-BOT-BC483121  Brodiaea jolonensis Le Roy Abrams 1901-4-10 1453 -a Los Angeles Inglewood Comment
  CATA1199  Brodiaea jolonensis Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-6 2231 Los Angeles Santa Catalina Island: Just past gate (from Airport road) by road to Black Jack Camp 350 Comment
  UCR273214  Bromus R. G. Swinney 2011-7-8 15491 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA385306  Bromus arizonicus E. S. Spalding 1920-2-25 s.n. Los Angeles Waste lot, Glendale Comment
  SD70964  Bromus arizonicus R. Mitchel Beauchamp 1967-3-19 335 Los Angeles San Clemente Island, small gully just behind beach, I(c) mile SE of West Cove. Comment
  UC1595318  Bromus carinatus var. carinatus Tim Ross, Steve Boyd 1990-6-18 3489 Los Angeles northerly to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mountains, Camp Verdugo Pines 1877 Comment
  UCR272565  Bromus carinatus var. carinatus R. G. Swinney 2011-6-7 15063 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
  LA37480  Bromus diandrus Harlan Lewis; 1941-3-19 Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  POM363396  Bromus diandrus Robin S. Collins 1973-4-30 254 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 610 Comment
  UC440487  Bromus diandrus Carl Epling, Lincoln Ellison 1929-4-27 Los Angeles Santa Monica Mountains, Topanga Canyon Topanga Canyon; Santa Monica Mountains, Topanga Canyon Comment
  UCR198390  Bromus diandrus Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 674 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UCR206414  Bromus diandrus R. G. Swinney 2008-6-9 8958 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA532657  Bromus grandis Timothy S. Ross 1991-8-14 5780 Los Angeles Roundtop [Mtn.] 1768 Comment
  RSA714680  Bromus grandis A. C. Sanders, Mark A. Elvin 2003-6-18 26960 Los Angeles Western Transverse Range: private dirt road along crest of range, above Salt Canyon 976 Comment
  RSA732910  Bromus hallii R. G. Swinney 1997-6-25 5630 Los Angeles San Gabrial Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  POM363836  Bromus hordeaceus F. R. Fosberg 1931-4-11 S- 4566 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 40 Comment
  RSA258392  Bromus hordeaceus C. W. Tilforth 1972-4-13 476 Los Angeles Rancho Santa Ana Botanic Garden. [Claremont] 412 Comment
  SEINET7106140  Bromus hordeaceus K. Dobry 1991-5-13 482 Los Angeles West San Gabriel Mts. at Elsmere Canyon.; 0 Comment
  UCR147606  Bromus laevipes Naomi Fraga, Paul Morton 2004-5-18 1183 Los Angeles Transverse Ranges; San Gabriel Mountains region, On ridgeline of Mount Hillyer, near summit 1860 Comment
  SD264699  Bromus madritensis Steven A. Junak 2001-5-18 Sca 1531 Los Angeles Santa Catalina Island. Avalon Canyon, at Wrigley Memorial Garden. Comment
  HSC9312  Bromus madritensis subsp. rubens C. S. Apperson 1967-6-22 Los Angeles Newhall Ranger Station. Comment
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Aug 7 2014
  SBBG128566  Bromus madritensis subsp. rubens M. L. Hoefs, R. Given 1992-4-16 1800 Los Angeles Wild Boar Gully 152 Comment
  RSA706987  Bromus rubens L. M. Prince, J. Dolan 2002-3-26 2 -287 Los Angeles Claremont, Rancho Santa Ana Botanic Garden, Fay's meadow. 400 Comment
  SEINET3923285  Bromus rubens Timothy S. Ross, Steve Boyd 1994-5-4 7634 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit. Lale Hughes 7.5' USGS Quadrangle.; 0 1055 Comment
  UCR280856  Bromus rubens R. G. Swinney 2014-4-23 16154 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  SEINET3923579  Bromus tectorum Robert F. Thorne 1971-5-18 41368 Los Angeles Santa Catalina Island: White's Landing.; 0 30 Comment
  RSA0019970  Bromus tectorum D. Charlton 1989-4-13 2876 Los Angeles Mojave Desert. Palmdale. Comment
  SD125923  Cakile maritima A. C. Sanders 1988-5-18 7816 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport. Comment
  UCD114952  Cakile maritima 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
  LA202374  Calandrinia breweri Arthur C. Gibson; 2005-4-8 5039 Los Angeles Comment
  CATA690  Calochortus catalinae Mark L. Hoefs 1991-4-26 1182 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  SEINET3154065  Calochortus catalinae G. B. Grant, W. Wheeler 1904-1 Error Los Angeles Santa Catalina Island, Pacific Ocean Comment
  UC843640  Calochortus catalinae Marcus E. Jones, A. M. 1882-5-1 3212 Los Angeles Los Angeles Comment
  UCR257109  Calochortus kennedyi Mitch Provance 2010-5-12 0510- 58 Los Angeles Western Transverse Range/W Mojave Desert, hills south side of Hwy 138, c. 3 miles west of Neenach and 5.5 miles east of intersection of Hwy 138 and N2/Ridge Route 1009 Comment
  LA22471  Calochortus palmeri C. M.; April 1947 sn Los Angeles San Gabriel Mountains, Glendora Mt. Road Comment
  CAS-BOT-BC132486  Calochortus plummerae Ernest Braunton 1901-6-5 131 Los Angeles Hills near Sherman Comment
  POM199718  Calochortus plummerae I. W. Clokey, Bonnie C. Templeton 1929-06 4579 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  UCD100289  Calyptridium monandrum Steve Boyd 1986-3-30 1510 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  SBBG69697  Calyptridium monandrum R. Hoffmann 1931-5-2 Los Angeles above Fetterley's, San Francisquito Cyn Comment
  SBBG58091  Calystegia macrostegia R. Hoffmann 1928-7-9 Los Angeles Elizabeth Lake Comment
  LA81927  Calystegia macrostegia subsp. cyclostegia O. H. Kappler; 1944-2-13 545 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon 60 Comment
  UCR189755  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1998-7-10 6389 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
  CAS-BOT-BC215907  Calystegia peirsonii T. Krantz 1979-6-20 s.n. Los Angeles Along roadcut of Bouquet Canyon Road, just E of junction 6N04, E of Bouquet Reservoir under the powerlines, San Gabriel Mts. Comment
  RSA595131  Calystegia peirsonii Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8563 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  RSA599487  Camissonia bistorta Steve Boyd, Lauren Raz 1997-3-25 9312 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA465684  Camissonia bistorta H. de Forest 1929-3-21 s.n. Los Angeles Palos Verdes Hills Comment
  UCR177526  Camissonia campestris subsp. campestris LeRoy Gross 2005-4-28 2134 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
  RSA746630  Camissonia confusa R. G. Swinney 2008-4-10 8642 Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  RSA448989  Camissonia hirtella Anstruther Davidson s.n. Los Angeles Hollywood or Toluca. Comment
  RSA579489  Camissonia ignota Tim S. Ross, Steve D. Boyd 1994-5-10 7757 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon. 873 Comment
  RSA0035999  Camissonia micrantha R. G. Swinney 2010-3-11 11869 Los Angeles Flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  RSA652351  Camissonia micrantha T. Strid 1972-6-11 s.n. Los Angeles Arroyo Seco, Pasadena. 396 Comment
  UCR131401  Camissonia micrantha Alison Lipman 1998-5-28 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA449023  Camissonia micrantha Unspecified s.n. Los Angeles [No location information on label.] Comment
  UCR193720  Camissonia pallida R. G. Swinney 1999-4-5 7066 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
  RSA756170  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-4 2335 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 53 per TRTP survey; 2008) 1220 Comment
  SEINET13297610 Image available Camissonia strigulosa R. G. Swinney 2011-1 15288 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5' Q.) (T3N R11W S22) 1570 Comment
  UCR271577  Camissonia strigulosa R. G. Swinney 2011-6-23 15288 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR276776  Camissoniopsis R. G. Swinney 2011-5-16 14722 Los Angeles San Gabriel Mountains, Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 deg. SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  LA206044  Camissoniopsis cheiranthifolia Carl Epling; March 1925 sn Los Angeles Clifton Comment
  UC1922650  Camissoniopsis ignota Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1158 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 457 Comment
  SDSU3384  Camissoniopsis micrantha H. Wedberg 1958-3-22 171 Los Angeles At Point Dume. Comment
  CATA967  Capsella bursa-pastoris Mark L. Hoefs 1994-5-21 1835 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  PASA394  Capsella bursa-pastoris Annetta Carter 1928-12-29 Los Angeles Base of Sierra Madre Comment
  UC56684  Cardamine californica Ernest Braunton 1903-1-10 789 Los Angeles Arroyo Seco Comment
  UCR242027  Cardamine oligosperma Dan S. Cooper 2012-2-13 212- 8 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon along Griffith Park Dr. 169 Comment
  RSA653345  Cardaria draba Kelly Middleton, David Middleton 1988-5-8 5 Los Angeles Glendora Ridge Road, 4.4 miles west of Mt Baldy Road intersection. 1220 Comment
  CAS-BOT-BC384775  Cardionema ramosissimum Peter H. Raven; Henry J. Thompson 1959-6-4 14338 Los Angeles Santa Monica Mountains. Point Dume 42 Comment
  RSA364526  Carex Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  UC1595251  Carex alma Tim Ross and Peter Fritsch 1990-6-20 3637 Los Angeles mouth of Burron Canyon near confluence of the E and W Forks of San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
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Nov 3 2010
  CAS-BOT-BC17667  Carex alma D. E. Breedlove 1961-8-7 926 Los Angeles 3 miles north of Wrightwood on road to Valyermo. 1828 Comment
  SEINET11629422  Carex alma C. V. Braun 1975-1 144 Los Angeles 1.4 mi N NW of Drinkwater Reservoir, San Francisquito Canyon Comment
  RSA0127370  Carex densa Louis C. Wheeler 1967-7-15 10040 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  SEINET7559361 Image available Carex fracta Louis C. Wheeler 1966-9-21 8907 Los Angeles San Gabriel Mountains. South fork of Big Rock Creek in the vicinity of Lily Spring. 2530 Comment
  RSA286785  Carex heteroneura var. heteroneura Robert F. Thorne 1974-6-28 44750 Los Angeles ANGELES NATIONAL FOREST: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek 2439 Comment
  UCR98822  Carex multicaulis T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3781 Los Angeles San Gabriel Mtns., Natural depression SSW of Crystal Lake 1704 Comment
  RSA601841  Carex praegracilis Steve Boyd 1996-4-25 8695 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
  CAS-BOT-BC117928  Carex schottii Louis C. Wheeler 1936-6-21 4169 Los Angeles W. Fk. Palmer Canyon, San Gabriel Mts. 640 Comment
  RSA641442  Carex senta L. C. Wheeler 1967-7-15 10017 Los Angeles Angeles National Forest: SW Side Waterman Mt. 2134 Comment
  SEINET7577189 Image available Carex subfusca Louis C. Wheeler 1966-9-21 8917 Los Angeles San Gabriel Mountains, Lily Spring. 2438 Comment
  LA210892  Carthamus lanatus Tarja Sagar; 2010-9-2 s.n. Los Angeles SANTA MONICA MOUNTAINS, Stunt Ranch, near buildings. Comment
  PASA993  Castilleja Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  LA52008  Castilleja affinis Carl Clawson Epling; 1926-3-20 8747 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  POM7655  Castilleja affinis C. F. Baker 1904-5-6 4745 Los Angeles Hills near Pomona Comment
  SEINET12288576  Castilleja affinis I. W. Clokey, Templeton, B. 1929-1 4427 Los Angeles Mandeville Canyon, Santa Monica Mountains 425 Comment
  RSA774163  Castilleja applegatei R. G. Swinney 2009-7-22 11329 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  UCR190518  Castilleja applegatei R. G. Swinney 2000-6-19 7821 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA721304  Castilleja exserta R. G. Swinney 1998-4-11 5931 Los Angeles Claremont, 0.5 mi. to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr 768 Comment
  UCR155919  Castilleja exserta A. C. Sanders 2005-5-5 29887 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA4327  Castilleja foliolosa S. K. 1909-6-21 55 Los Angeles Claremont. Comment
  RSA595120  Castilleja foliolosa Steve D. Boyd, Orlando Mistretta, John Dolan 1996-4-18 8574 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N01, 6.2 road miles from jtn with 8N05. 1174 Comment
  JEPS81755  Castilleja foliolosa L. R. Heckard with Michael Morris 1976-6-14 4269 Los Angeles n Claremont (just below Lower San Antonio Ranger Station); Mouth of San Antonio Canyon Comment
  RSA0110789  Castilleja miniata Richard G. Swinney 2010-9-30 13919 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA239843  Castilleja miniata subsp. miniata John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles Along State Highway 2, below Dawson Saddle, San Gabriel Mountains. 2348 Comment
  UC57004  Castilleja minor subsp. spiralis Ernest Braunton 1902-5-10 271 Los Angeles Rivera Comment
  UCSB6020  Castilleja minor subsp. spiralis Olsen, Meryl 1954-5-26 Los Angeles San Gabriel Mt. range, Little Dalton Canyon on south-west slope 548 Comment
  SBBG118771  Castilleja subinclusa subsp. subinclusa L. Gross with P. Morton 2004-6-10 1378 Los Angeles E end of the main crest; Rd 7N23, E to W from jct with Atmore Meadows Rd (7N19) along Sawmill Mtn to Burnt Pk Rd (7N23A): T7N R16W S8,9,16,15 1590 Comment
  UCD123034  Castilleja subinclusa subsp. subinclusa Daryl Koutnik; Bruce Holguin 1978-4-1 221 Los Angeles northwest of Palmdale on Elizabeth Lake Road. 914 Comment
  CAS-BOT-BC38147  Caulanthus amplexicaulis Wesley O. Griesel 1962-5-28 s.n. Los Angeles San Gabriel Mountains. Angeles Forest Highway between Mill Creek Summit and Tunnel. 1371 Comment
  LA200341  Caulanthus heterophyllus Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA589272  Caulanthus inflatus Timothy S. Ross 1991-4-28 4740 Los Angeles Mojave Desert, 240th Street E, 1.1 miles S of its jct with Avenue 'J'. 2880m SW of Adobe Mtn. 878 Comment
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Mar 22 2016
  RSA549547  Caulanthus lasiophyllus var. utahensis Timothy S. Ross 1992-4-4 6085 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  CAS-BOT-BC47909  Ceanothus arboreus Knopf; Johnson 1930-1-30 11214 Los Angeles Catalina Island Comment
  RSA399159  Ceanothus arboreus Anstruther Davidson 1891-6-20 s.n. Los Angeles Catalina Island Comment
  UC1952543  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Ridge between Johnson's Valley & Howland's Valley, Santa Catalina Island. Comment
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Dec 13 2015
  UCR150899  Ceanothus crassifolius Valerie Soza, Kent Hughes 1999-6-17 561 b Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Winter Creek Trail, above San Olene Canyon 747 Comment
  CAS-BOT-BC48877  Ceanothus cuneatus John Thomas Howell 1928-4-5 3719 Los Angeles near head of Bouquet Canyon, Liebre Mts. Comment
  UCR150960  Ceanothus cuneatus Sandra L. Leatherman, Brian Daniels 1998-11-10 60 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon, east of Bouquet Canyon Road, immediately south of Esguerra Road 610 Comment
  CAS-BOT-BC49263  Ceanothus cuneatus C. F. Baker 1909-2-15 5237 Los Angeles unspecified Comment
  RSA0005504  Ceanothus cuneatus Hutchinson 1920-5-1 3332 Los Angeles Bouquet Canyon Comment
  UC1070660  Ceanothus greggii var. vestitus H. A. Jensen 1933-5-24 309 Los Angeles Middle Fork of Alder Creek 1524 Comment
  CAS-BOT-BC50154  Ceanothus integerrimus Mrs. G. Earle Kelly 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  RSA682124  Ceanothus integerrimus Valerie L. Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  RSA0091740  Ceanothus leucodermis R. G. Swinney 2011-5-12 14687 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA399009  Ceanothus leucodermis Julian P. Donahue 1971-5-23 283 Los Angeles Cloudburst Canyon Comment
  RSA774617  Ceanothus leucodermis R. G. Swinney 2009-7-29 11425 Los Angeles Pacifico Mountain summit. 2134 Comment
  UCR277157  Ceanothus leucodermis R. G. Swinney 2011-6-15 15177 B Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  RSA133470  Ceanothus megacarpus Peter H. Raven, H. J. Thompson 1959-4-3 13908 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway. 549 Comment
  SD37628  Ceanothus megacarpus Edith A. Purer 1931-5-8 Los Angeles Griffith Park Comment
  RSA598221  Ceanothus megacarpus var. insularis Sara L. Crockett 1997-1-18 558 Los Angeles Santa Catalina Island. 2.2 miles NW on Stage Road frm jct. with Middle Ranch Road. 366 Comment
  SBBG32103  Ceanothus megacarpus var. insularis R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -177 Los Angeles just E of Wild Boar Gully, Salta Verde Comment
  LA43632  Ceanothus megacarpus var. megacarpus M. Zaitlin; 1951-3-10 sn Los Angeles 304 Comment
  CAS-BOT-BC50451  Ceanothus oliganthus H. E. McMinn 1925-8-6 1551 b Los Angeles Sawpit Canyon, San Gabriel Mts. Comment
  LA202403  Ceanothus oliganthus var. oliganthus Arthur C. Gibson; 2001-5-18 4888 Los Angeles SANTA MONICA MOUNTAINS, Rocky Oaks National Recreation Area, near Mulholland and Malibu Canyon Rd. Comment
  RSA562578  Ceanothus oliganthus var. oliganthus Steve Boyd, W. Appleby 1993-4-22 7992 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA640256  Ceanothus oliganthus var. oliganthus Robert F. Thorne 1971-4-23 41462 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  UCR150618  Ceanothus oliganthus var. oliganthus Scott D. White 1997-5-8 5089 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  LA39242  Ceanothus spinosus H. L. Bauer; 1935-4-1 107 Los Angeles 731 Comment
  POM8741  Ceanothus spinosus P. A. Munz, R. D. Harwood 1920-5-15 3950 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  UCR149806  Ceanothus spinosus Scott D. White 2004-4-23 10231 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA0028430  Ceanothus spinosus N. C. Cooper 1949-6-18 4194 Los Angeles Mt. Baldy Resorts 1829 Comment
  RSA0040255  Ceanothus spinosus Ora M. Clark 1929-3-24 1784 Los Angeles Santa Susanna Mountains, So. Calif. Comment
  RSA750897  Celtis sinensis A. C. Sanders 2008-7-10 35741 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  SBBG31301  Centaurea cineraria R. F. Thorne with P. C. Everett 1965-6-23 35016 Los Angeles Hamilton Cyn, N of Descanso Cyn 60 Comment
  POM155577  Centaurea melitensis M. B. Dunkle 1928-4-11 1845 Los Angeles Emerald Bay, Santa Catalina Island. 30 Comment
  RSA127768  Centaurea melitensis Peter H. Raven 1959-6-4 14323 Los Angeles Santa Monica Mountains. Point Dume. 46 Comment
  UCR125942  Centaurea melitensis A. C. Sanders, Mark Elvin 2002-6-19 25190 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
  RSA649817  Centaurea melitensis Matt Brooks 1988-5-7 43 Los Angeles Whittier, Dark Canyon 1.6 miles east of its confluence with Sycamore Canyon. Comment
  RSA655774  Centaurea solstitialis LeRoy Gross 2001-1-13 333 Los Angeles Verdugo Mountains: Radio facility on top of main crest, just above were Whiting Woods Mountainway and Verdugo Mountainway connects. 915 Comment
  SEINET6744581 Image available Centaurium venustum M. F. Wheeler 1938-6-13 975 Los Angeles San Dimas Wash, 0.5 mi NE of San Dimas County Park, California Comment
  UC535524  Centaurium venustum Ira W. Clokey, B. Templeton Jul 1929 4574 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  SBBG60909  Centromadia pungens subsp. pungens R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  RSA711448  Centromadia pungens subsp. pungens LeRoy Gross 2005-5-19 2304 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  UCD98850  Centrostegia thurberi Steve Boyd; Orlando Mistretta 1986-3-31 1542 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/Hwy 18 NE of Pinyon Hills. Comment
  UCR200122  Cerastium glomeratum Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 780 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  RSA597736  Ceratophyllum demersum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3792 Los Angeles Vicinity of Crystal Lake 1677 Comment
  UCR259459  Ceratophyllum demersum R. G. Swinney 2010-9-7 13702 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  SD181358  Cercocarpus betuloides J. Henrickson 2000-4-29 20732 Los Angeles Ca. 11 air miles NE of La Cresenta along Angeles Crest Highway north of Mt. Wilson in the San Gabriel Mountains. Near Red Box Gap. 1399 Comment
  RSA453268  Cercocarpus betuloides var. betuloides L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest Comment
  RSA647803  Cercocarpus betuloides var. betuloides LeRoy Gross, Laura Moore 2000-6-5 226 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  UC410547  Cercocarpus betuloides var. betuloides Alice Eastwood 1928-6-15 15377 Los Angeles Claremont Comment
  SBBG105501  Cercocarpus traskiae R. Moran 1941-3-5 678 Los Angeles Salta Verde, bottom of arroyo 250 Comment
  RSA610964  Cestrum nocturnum Louis C. Wheeler 1936-2-23 4079 Los Angeles San Gabriel: 217 S. Muscatel Avenue. Siskiyou Mountains: Oak Knoll Ranger Station, Klamath River. 107 Comment
  CAS-BOT-BC279512  Chaenactis artemisiifolia Le Roy Abrams 1899-3-30 217 Los Angeles Sepulveda Canon [Canyon], Santa Monica Mts. Comment
  LA88339  Chaenactis artemisiifolia O. H. Kappler; 1941-6-15 303 Los Angeles 548 Comment
  RSA679957  Chaenactis fremontii LeRoy Gross, Orlando Mistretta, Valerie L. Sosa 2003-5-13 862 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA747140  Chaenactis glabriuscula R. G. Swinney 2008-6-9 8971 Los Angeles lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  RSA765194  Chaenactis glabriuscula Justin M. Wood 2010-5-10 1597 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  CAS-BOT-BC277369  Chaenactis glabriuscula var. glabriuscula Cecil Hart 1927-5-1 s.n. Los Angeles San Dimas Canyon Comment
  LA203104  Chaenactis glabriuscula var. glabriuscula A. M. Johnson; 1928-3-13 186 Los Angeles Del Rey Hills Comment
  RSA225743  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, A. C. Gibson 1971-5-22 39714 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  UCR252575  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-11 12644 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  CAS-BOT-BC100655  Chaenactis glabriuscula var. orcuttiana Edith A. Purer 1935-5-12 6593 Los Angeles El Segundo Comment
  CAS-BOT-BC277820  Chaenactis santolinoides Timothy S. Ross; Steve Boyd 1994-5-4 7687 Los Angeles Liebre Mountains. Upper South Portal Canyon: along forest service road which follows the canyon's SE slope; ca 770 m SW of Spruce Draw 1075 Comment
  CAS-BOT-BC277821  Chaenactis santolinoides Timothy S. Ross; Steve Boyd 1990-5-23 2621 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon 1719 Comment
  UC481113  Chaenactis santolinoides Charlotte M. Wilder 1905-8-20 592 Los Angeles San Antonio Mt. 2590 Comment
  SBBG65600  Chaenactis santolinoides Anstruther Davidson -Jul-1895 Los Angeles [label without specific locality] Comment
  RSA777212  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2010-5-12 5094 Los Angeles Northern Antelope Valley, S. base of the Tehachapi Mountains, 0.75 miles NE of the intersection of 160th St. W. and W. Rosamond Blvd. Along Southern California Edison transmission line corridor (Segment 10, map sheet 4 per TRTP survey 2010). 832 Comment
  JEPS3303  Chaenactis stevioides R. Bacigalupi, R. S. Ferris and Richard Holm 1953-4-19 4033 Los Angeles 1/2 mi w junction with road to Muroc (along U.S. 466, 18 1/2 mi e of Mojave); Mojave Desert Comment
  LA211080  Chamaebatia australis Tarja Sagar; 2011-4-29 0 s.n. Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Rocky Oaks. Comment
  UCSB17154  Chamaesyce albomarginata Otey, D. 1963-5-3 Los Angeles 9.4 miles west of San Bernardino County Line on California Highway 138 944 Comment
  RSA795202  Chamaesyce serpillifolia subsp. serpillifolia Jane Tirrell 2012-8-3 LS 0145 - Los Angeles South side California State Route 2, approx. 100 ft. east of turnout at mile marker 67.7. 2308 Comment
  JEPS52358  Chamaesyce serpyllifolia R. L. Pendleton 1909-7-3 1398 Los Angeles canyon s Avalon; Santa Catalina Island 22 Comment
  RSA248850  Cheilanthes newberryi Robert F. Thorne 1973-4-11 42865 Los Angeles San Clemente Island: middle portion of Norton Canyon. 274 Comment
  RSA0082905  Chenopodium Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3123 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along upper terrace overlooking the ocean. 39 Comment
  RSA225728  Chenopodium album R. F. Thorne, A. C. Gibson 1971-5-22 39745 Los Angeles Fish Canyon 335 Comment
  RSA423409  Chenopodium ambrosioides George R. Johnstone 1931-10-24 s.n. Los Angeles Twin Lakes. Comment
  RSA608871  Chenopodium atrovirens L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  RSA594203  Chenopodium berlandieri Steve Boyd, Lauren Raz 1996-10-14 9050 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  RSA478474  Chenopodium californicum E. S. Spalding 1923-4-21 s.n. Los Angeles Laurel Canyon. Comment
  RSA535321  Chenopodium californicum T. S. Ross 1991-5-20 5353 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  RSA703175  Chenopodium fremontii Scott D. White 2004-8-11 10708 Los Angeles About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA624444  Chenopodium multifidum L. C. Wheeler 1932-9-4 1314 Los Angeles La Verne. 304 Comment
  SFV16350  Chenopodium murale P. M. Schiffman, R. van de Hoek 1996-7-29 s. n. Los Angeles California Channel Islands Santa Catalina Island. Bird Rock near Isthmus Harbor. Bird guano covered rock just off shore. Bird Rock #4. 1 Comment
  LA51486  Chenopodium strictum var. glaucophyllum Peter H. Raven; Henry J. Thompson 1959-9-27 14510 Los Angeles Santa Monica Mountains, Sepulveda Canyon, along Sepulveda Blvd 243 Comment
  SFV21036  Chenopodium strictum var. glaucophyllum L. Gross 2001-11-10 455 Los Angeles Verdugo Mountains North side of mountains off the 210 Freeway, east bound La Tuna Canyon Road exit. Opposite this exit is a road that starts out paved (Hostetter Mountainway); follow this road that parallels the freeway east until a dirt road forks off on the right (southeast). 457 Comment
  UC527181  Chloris gayana Carl B. Wolf 1932-9-16 4121 Los Angeles Bryant Ranch Long Beach (on w side of San Gabriel River Flood Control, 1400 ft s of 7th St., Long Beach); w side of San Gabriel River Flood Control, Long Beach 3 Comment
  UCD57936  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert, Gorman Highway 5 miles west of Highway 14, Antelope Valley. 1005 Comment
  SEINET3885528  Chlorogalum parviflorum Louis C. Wheeler 1934-5-14 2583 Los Angeles 1 mi NE Puddingstone Dam, San Jose Hills.; 0 351 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
  RSA732843  Chorizanthe brevicornu var. brevicornu R. G. Swinney 2001-5-17 7951 Los Angeles Mojave Desert: Bobs Gap, c. 1/4 mile north of Panorama Rd. on Bobs Gap Rd. 1232 Comment
  RSA0085098  Chorizanthe coriacea R. G. Swinney 2010-4-23 12377 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  CAS-BOT-BC252764  Chorizanthe parryi var. fernandina H. E. Hasse 1893-6-30 69 Los Angeles Newhall Comment
  RSA65170  Chorizanthe parryi var. fernandina F. W. Peirson 1920-5-3 2120 Los Angeles Little Tujunga Wash just above the junction with Big Tujunga, SW base of San Gabriel Mountains 335 Comment
  UC1792811  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa' 365 Comment
  UC849146  Chorizanthe parryi var. parryi Louis C. Wheeler 1932-5-27 765 Los Angeles Thompson Creek Dam near Claremont; Thompson Creek Dam near Claremont 487 Comment
  CAS-BOT-BC244726  Chorizanthe staticoides Carl B. Wolf 1936-5-26 s.n. Los Angeles Santa Clara Valley, 1 mi. west of Castaic Junction 335 Comment
  JEPS57797  Chorizanthe staticoides Ralph Hoffmann 1930-7-7 Los Angeles N Los Angeles County. Elizabeth Lake Canyon Comment
  POM122040  Chorizanthe staticoides George B. Grant 1904-6-17 169 Los Angeles Pasadena. Comment
  UC1605446  Chorizanthe staticoides Tim Ross, Steve Boyd 1993-5-23 7226 Los Angeles on northerly slope 140-220 m se of the saddle between Ruby and Clearwater Canyons (lower, easternly ridge of Red Mtn.); Liebre Mountains, lower e ridge Red Mtn, Green Valley Quad. 950 Comment
  UC1922674  Chorizanthe staticoides Valerie Soza, LeRoy Gross 2001-5-9 1202 Los Angeles Transverse Ranges; Verdugo Mountains region; Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 244 Comment
  UC849165  Chorizanthe staticoides Louis C. Wheeler 1932-5-27 764 Los Angeles Thompson Creek Dam Claremont; Thompson Creek Dam near Claremont 487 Comment
  RSA567255  Chorizanthe staticoides subsp. staticoides Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3866 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA716670  Chorizanthe xanti var. xanti Scott D. White, Pam De Vries 2006-5-10 11454 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
  UCR94476  Chorizanthe xanti var. xanti Orlando Mistretta 1995-6-1 1764 Los Angeles San Gabriel Mtns., Carr Canyon 1098 Comment
  CDA7840  Chrysanthemum coronarium Michael O Brien 2008-4-13 s.n. Los Angeles La Piedra State Beach 0 Comment
  UCR256187  Chrysolepis sempervirens R. G. Swinney 2010-9-23 13879 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UCR179680  Chrysothamnus nauseosus R. G. Swinney, Dave Larson 1996-8-7 5240 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
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Jul 6 2021
  RSA587966  Chrysothamnus teretifolius Orlando Mistretta 1992-5-4 261 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  CAS-BOT-BC280034  Cirsium mohavense John Thomas Howell 1952-10-26 28880 Los Angeles Just north of Lancaster Comment
  RSA3510  Cirsium occidentale var. californicum C. B. Wolf 1932-5-9 3453 Los Angeles At junction of Skyline Drive and Pebbly Beach Road. Santa Catalina Island 30 Comment
  UCR139883  Cirsium occidentale var. californicum Scott D. White 1997-5-8 5084 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  POM352198  Cirsium occidentale var. occidentale Elbert Benjamine, Johnstone 1929-5-29 180 Los Angeles San Dimas Canyon; San Gabriel Mts. Comment
  CAS-BOT-BC292694  Cirsium occidentale var. venustum Donald Kyhos 1958-6-20 58 -217 Los Angeles 0.75 miles south of Gorman, Highway 99 Comment
  RSA160889  Cirsium vulgare Peter H. Raven 1961-10-1 16783 Los Angeles San Gabriel Mountains: upper Evey Canyon 854 Comment
  RSA0031450  Cistanthe monandra Orlando Mistretta, Christine Mistretta 2008-5-15 3073 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. 1200 Comment
  RSA0065530  Cistus villosus R. Carlston 1961-5-27 s.n. Los Angeles Big Dalton Canyon, Glendora. Comment
  RSA225731  Clarkia bottae Robert F. Thorne, Arthur C. Gibson 1971-5-22 39709 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA453475  Clarkia bottae L. E. Hoffman 1929-6-10 s.n. Los Angeles Arroyo Seco, below Strawberry Peak. Comment
  SFV15491  Clarkia bottae E. J. Spencer 1992-5-14 6 Los Angeles Santa Monica Mountains Topanga Canyon Road, 1.2 miles south of Muholland Drive. 366 Comment
  UCR159913  Clarkia bottae Orlando Mistretta 1992-7-13 679 Los Angeles Transverse Ranges; San Gabriel Mountains region, Los Pinetos Spring Canyon Trail 915 Comment
  UCSB4356  Clarkia bottae DeWitt, Jack 1959-5-15 Los Angeles Mint Canyon; at park 4.3 miles E of Solemint 609 Comment
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Nov 13 2014
  CAS-BOT-BC172245  Clarkia cylindrica subsp. cylindrica Peter H. Raven 1959-5-3 14069 Los Angeles Mulholland Drive 0.5 miles east of Berverly Glen Boulevard, Santa Monica Mountains 411 Comment
  JEPS43825  Clarkia dudleyana Frank W. Peirson 1919-6-7 466 Los Angeles Cow Canyon Divide San Gabriel Mountains 1371 Comment
  RSA73342  Clarkia dudleyana F. W. Peirson 1919-6-7 466 Los Angeles Cow Canyon divide, San Antonio Creek Region 1372 Comment
  UCR209875  Clarkia dudleyana R. G. Swinney 2008-7-13 9187 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
  LA200702  Clarkia epilobioides W. R. Ernst; sn Los Angeles SANTA MONICA MOUNTAINS, North Sepulveda Way near Sepulveda Blvd. 396 Comment
  UC61529  Clarkia epilobioides Ernest Braunton June 1903 887 Los Angeles Glendale to Burbank Comment
  RSA151274  Clarkia epilobioides Peter H. Raven 1962-5-10 17710 Los Angeles Canyon just north of Thirst, San Clemente Island. 335 Comment
  CAS-BOT-BC163715  Clarkia purpurea subsp. quadrivulnera Le Roy Abrams 1899-3-31 304 Los Angeles Sepulveda [Canon] Canyon, S. Monica Mts. Comment
  POM153232  Clarkia purpurea subsp. quadrivulnera C. L. Hitchcock 1928-5-19 54 Los Angeles Palmer s Canyon. 900 Comment
  RSA648038  Clarkia unguiculata Orlando Mistretta 1992-7-13 674 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UC1870247  Clarkia unguiculata LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1095 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 freeway. South of ... 457 Comment
  RSA580452  Claytonia exigua subsp. exigua Timothy S. Ross, Steve Boyd 1994-5-11 7813 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  UCR190447  Claytonia parviflora R. G. Swinney 2000-5-6 7668 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 Comment
  UCR263059  Claytonia parviflora Mitch Provance 2008-4-14 408- 08 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
  RSA590866  Claytonia parviflora subsp. parviflora Orlando Mistretta 1994-1 997 Los Angeles San Gabriel Mountains: Little Rock creek. slopes E of Little Rock Reservoir. 976 Comment
  RSA597780  Claytonia parviflora subsp. parviflora Steve Boyd, Lauren Raz 1997-3-14 9174 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  UCR85807  Claytonia parviflora subsp. utahensis T. S. Ross, Steve Boyd, L. Arnseth 1991-4-29 4848 Los Angeles Parker Mountain, on the N and NE slopes 1220 Comment
  UCR192053  Claytonia perfoliata A. C. Sanders 2008-4-11 34851 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, vicinity of mapped spring NW of VABM 'Pine 973 Comment
  UC852087  Claytonia perfoliata subsp. mexicana Ira W. Clokey, B. Templeton Mar 1929 4527 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 365 Comment
  LA207185  Clematis lasiantha O. A. Plunkett; 1926-3-6 sn Los Angeles Santa Anita Canyon, Sierra Madre Comment
  POM19006  Clematis ligusticifolia P. A. Munz 1923-9-1 7714 Los Angeles Swartout Valley, narrow north-facing canyon at old sawmill 2043 Comment
  RSA760604  Clematis ligusticifolia R. G. Swinney 2008-9-10 9414 Los Angeles South Fork Big Rock Creek 1463 Comment
  UC853911  Clematis ligusticifolia Carl B. Wolf 1932-10-5 4239 Los Angeles 1 mi. from Middle Ranch (on rd. to Black Jack Peak); Santa Catalina Is. 274 Comment
  POM376  Clematis pauciflora O. W. Robinson 1916-3-8 s.n. Los Angeles Johnson's Pastures, N of Claremont. Comment
  LA52027  Collinsia heterophylla Harvey Anderson; Carl Epling, Lincoln Ellison 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA732820  Collinsia heterophylla R. G. Swinney 2000-5-21 7776 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  UC2030104  Collinsia heterophylla V. Soza, LeRoy Gross 2002-4-16 1421 Los Angeles Transverse Ranges, Liebre Mountains region: Between Pettinger and Haskell canyons. Comment
  CAS-BOT-BC240955  Collinsia parryi C. F. Baker 1909-4-16 5295 Los Angeles Claremont Comment
  UCR263274  Collinsia parryi Anuja Parikh, Nathan Gale 2012-5-2 6583 Los Angeles Transverse Range: San Gabriel Mountains, West Fork San Gabriel River, 1.0 km east of Cogswell Reservoir 643 Comment
  LA211131  Collinsia parryi Tarja Sagar; 2009-4-14 0 s.n. Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Gillette Ranch (Soka University). Comment
  UC1260167  Collinsia torreyi var. wrightii Robert F. Thorne and Larry DeBuhr 1974-6-28 44747 Los Angeles Lily Springs Area on n slope of Mount Hawkins, drainage of South Fork of Big Rock Creek, San Gabriel Mountains, Angeles National Forest South Fork of Big Rock Creek; San Gabriel Mountains, Angeles National Forest 2438 Comment
  RSA579445  Collomia grandiflora T. S. Ross, S. D. Boyd 1994-6-22 8023 -a Los Angeles N slope of Sawmill Mountain complex: ca 1300 m (air) due E of Sawmill Mountain summit, along draw draining N to Hideaway Canyon. 1500 Comment
  RSA719644  Commelina benghalensis Richard G. Swinney 1998-2-16 5894 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  CHSC95369  Conium maculatum LeRoy Gross; Steve Larson, Valerie Soza 2001-5-31 386 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southeast side. At the mouth of Dead Horse Canyon, along road (Heather Ridge Dr.) where paved road ends. 305 Comment
  CLARK-A1528-7870  Convolvulus althaeoides John C. Roos 1950-5-9 4793 Los Angeles Los Angeles 91 Comment
  RSA305711  Convolvulus arvensis Mark Hoefs 1973-6-5 329 Los Angeles Santa Catalina Island: Middle Ranch Canyon. Comment
  POM3582  Convolvulus arvensis P. A. Munz 1918-5-19 2272 Los Angeles Hills south of Pomona. Comment
  UCR276741  Conyza bonariensis R. G. Swinney 2010-8-11 13502 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  RSA93265  Conyza bonariensis F. W. Peirson 1920-6-13 1348 Los Angeles Weed at 1085 New York Drive, Altadena Comment
  RSA0088137  Conyza canadensis Steven A. Junak, Keri Kirkland, Margie Bushman 1998-10-21 SCa- 813 Los Angeles Santa Catalina Island. Above pier at W end of Moonstone Cove, along trail to White's Landing. 18 Comment
  RSA706004  Conyza floribunda LeRoy Gross 2005-7-26 2398 Los Angeles Rancho Santa Ana Botanic Garden. 366 Comment
  RSA228987  Corallorhiza maculata Robert F. Thorne 1971-8-25 41274 Los Angeles San Gabriel Mountains, Angeles National Forest: Near Lily Springs on NW slope Mt. Hawkins 2500 Comment
  RSA412321  Cordylanthus nevinii Christopher Davidson 1974-8-1 2519 Los Angeles On Angeles Crest Highway, west of Islip Saddle, opposite Kratka Ridge Ski Lift. Angeles National Forest 2134 Comment
  RSA188537  Cordylanthus rigidus subsp. setiger Robert F. Thorne, J. Olmstead 1965-8-26 35405 Los Angeles Angeles National Forest, Cabin Flat along Prairie Fork 1585 Comment
  CAS-BOT-BC287746  Coreopsis bigelovii Steve Boyd; Lauren Raz 1997-3-25 9305 Los Angeles Liebre Mts Region: Upper end of broad alluvial valley at head of Cienaga Canyon, S base of LIebre Mt, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  RSA301984  Coreopsis gigantea Jim Shevock 1971-2-13 665 Los Angeles Along Hwy. 46 Comment
  POM356122  Corethrogyne filaginifolia Anstruther Davidson 1920-4-1 s.n. Los Angeles Playa del Rey. Comment
  RSA455879  Corethrogyne filaginifolia M. Bisbee 1917-9-15 s.n. Los Angeles Hills north of Eagle Rock Comment
  SEINET13387001 Image available Corethrogyne filaginifolia R. G. Swinney 2011-1 15899 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5' Q.) 649 Comment
  PASA1808  Corethrogyne filaginifolia var. bernardina Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  POM57993  Corethrogyne filaginifolia var. filaginifolia Minnie Reed 1895-8-17 s.n. Los Angeles Pomona. Comment
  RSA397702  Cornus glabrata Blanche Trask 1901-06 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR73406  Coronilla valentina subsp. glauca T. S. Ross 1991-3-9 4204 Los Angeles Whittier Hills (Puente Hills, pro parte): Skyline Drive at the head of Turnbull Canyon 348 Comment
  CAS-BOT-BC143495  Cotoneaster pannosus Jeannette L. Huber 1972-4-9 1219 Los Angeles On old Cobb estate, north end of Lake Avenue, Altadena Comment
  RSA611653  Crassula connata Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10083 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA639755  Crassula connata L. C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Vogel Flat, Big Tujunga Canyon. 556 Comment
  SBBG119352  Crassula connata V. Soza with L. Gross 2001-4-18 1138 Los Angeles between Little Santa Anita and Santa Anita Cyns 716 Comment
  RSA19188  Crassula connata var. erectoides P. A. Munz 1923-4-8 6600 Los Angeles San Clemente Island, Wilson's [Wilson] Cove Comment
  UCR276899  Crassula erecta R. G. Swinney 2011-3-29 14276 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  POM356341  Crepis nana Fred Burlew 1916-08 3140 Los Angeles Mt. San Antonio Comment
  CATA1530  Crepis setosa Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2751 Los Angeles Santa Catalina Island: By Avalon School science building, Falls Canyon 27 Comment
  SD85052  Crocanthemum scoparium var. vulgare E. R. Blakley 1963-4-10 5585 Los Angeles Santa Catalina Island; junction of White's Landing and Airport Road, northeast side of Black Jack Mountain. 365 Comment
  UC520251  Crocanthemum scoparium var. vulgare Carl Epling, N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  CATA1046  Crossosoma californicum Mark L. Hoefs 1995-5-10 1974 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  NY43014  Crossosoma californicum J. B. Walker 1995-4-8 1327 Los Angeles Santa Catalina Island, 2km S of Howland's Landing 100 Comment
  RSA595430  Crossosoma californicum Mark Hoefs 1996-4-6 2646 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  SBBG95703  Crossosoma californicum M. B. Dunkle 1932-1-24 2862 Los Angeles East Ridge of Avalon 91 Comment
  UCR116051  Crossosoma californicum Dan S. Cooper 1999-4-3 s.n. Los Angeles Palos Verdes Peninsula, c. 200 m north of gate at end of Forrestal Road ('quarry') Comment
  LA200765  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
  RSA127857  Croton californicus P. H. Raven 1959-4-4 13945 Los Angeles East of Zuma Beach; Point Dume. 9 Comment
  UCD141970  Croton californicus Robert F. Thorne; C. W. Tilforth 1971-4-9 41541 Los Angeles San Gabriel Mts., Angeles National Forest. San Dimas Canyon near San Dimas Creek. 381 Comment
  RSA678872  Crypsis schoenoides Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/ Studebaker Rd., near Long Beach Marina. Salt marsh and seasonal freshwater wetland 5 Comment
  UCR204859  Cryptantha R. G. Swinney 2006-6-18 8542 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
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Feb 19 2020
  UCR216687  Cryptantha Dan S. Cooper 2010-4-19 410- 50 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., trail between Mt. Hollywood and the observatory, Griffith Park 410 Comment
  RSA229026  Cryptantha circumscissa R. F. Thorne 1971-6-30 40749 Los Angeles Pacifico Mountain 1951 Comment
  SBBG63583  Cryptantha circumscissa R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna Comment
  RSA0031372  Cryptantha clevelandii F. R. Fosberg 1932-5-7 10647 Los Angeles Santa Catalina Island, ridges S of Grand Canyon. Comment
  RSA0014595  Cryptantha decipiens Orlando Mistretta, Christine Mistretta 2011-6-17 5705 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1087 Comment
  RSA679833  Cryptantha decipiens LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 894 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UC174987  Cryptantha dumetorum Katharine Brandegee Los Angeles Lancaster Comment
  IRVC26464  Cryptantha intermedia A. C. Sanders, Mark Elvin, et al. 2003-3-4 25697 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  POM369516  Cryptantha intermedia E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA726024  Cryptantha intermedia A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26131 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  RSA747553  Cryptantha intermedia R. G. Swinney 2008-4-11 8667 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR136844  Cryptantha intermedia John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  POM368248  Cryptantha intermedia Robin S. Collins 1973-4-30 243 Los Angeles within 1/2 mile from beginning of pack trail 610 Comment
  UCSB5552  Cryptantha intermedia Beach, Kay 1944-6-20 Los Angeles Tanbark SRE Comment
  RSA656323  Cryptantha micromeres Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 687 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 594 Comment
  UCR101191  Cryptantha micromeres L. C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mtns., c. 1 mi east of mouth of Little Tujunga Canyon Comment
  SBBG117931  Cryptantha microstachys C. F. Millspaugh 1920-3-14 4783 Los Angeles Fisherman's Cove Comment
  UCR277413  Cryptantha muricata R. G. Swinney 2010-5-21 12896 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA0079123  Cryptantha muricata var. denticulata R. G. Swinney 1998-8-1 6630 Los Angeles San Gabriel Mtns.: Vincent Gulch, 1.2 mi. SE of Vincent Gap Trail Head, c. 2 mi. east of the summit of Mt. Baden-Powell. 1631 Comment
  RSA0079136  Cryptantha muricata var. denticulata L. C. Wheeler 1946-8-29 6322 Los Angeles San Gabriel Mountains: North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout. 2560 Comment
  UCR280691  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-27 16660 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA0079317  Cryptantha muricata var. jonesii Matt Bogdanoff, Lord 1989-6-10 32 Los Angeles Mt. Baldy Rd. burn area. Comment
  UCR47372  Cryptantha muricata var. muricata David Charlton 1986-6-15 227 Los Angeles San Gabriel Mtns, Angeles Crest Hwy, several miles north of Big Pine on shaded E-facing slope at the base of a roadcut 2134 Comment
  UCR93296  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1994-6-23 8038 Los Angeles San Gabriel Mtns., Sawmill Mountain: 5514 ft summit and immediately adjacent slopes. 1681 Comment
  SEINET3860016  Cryptantha nevadensis R. G. Swinney 2009-4-24 10454 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  RSA584877  Cryptantha nevadensis var. nevadensis T. S. Ross, Steve D. Boyd 1990-6-1 2788 Los Angeles Lower Moody Canyon: 1.9 (road) miles N of Magnetic Springs along Moody Truck Road 957 Comment
  RSA0028826  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-13 10782 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  RSA680220  Cryptantha oxygona Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1677 Los Angeles Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. 1982 Comment
  UCR191301  Cryptantha oxygona R. G. Swinney 1998-7-2 6257 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR194617  Cryptantha oxygona R. G. Swinney 1999-5-1 7089 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  CHSC98598  Cryptantha pterocarya LeRoy Gross 2005-5-3 2210 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. T04N, 05N R09W, 10W S06, 01, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. Alt: 1085-1215m. 1150 Comment
  RSA0079119  Cryptantha pterocarya var. pterocarya Steve Boyd, Orlando Mistretta 1986-3-31 1526 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA0113436  Cryptantha similis LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7539 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
  UCR277397  Cryptantha similis R. G. Swinney 2010-6-1 13167 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
  RSA628376  Cryptantha simulans Scott D. White, Dave Bramlet 1998-6-29 6820 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  UCR153479  Cryptantha simulans R. F. Thorne 1969-7-9 38552 Los Angeles Transverse Ranges; San Gabriel Mtns., Angeles National Forest, slope of Table Mountain above Big Pines Ranger Station 2134 Comment
  SEINET10569468  Cryptomeria japonica David B. Dunn 1939-10-25 Dunn UMO 46536 Los Angeles Cultivated tree growing in Pasadena, Calif. along Orange Dr. 274 Comment
  RSA0065398  Cycladenia humilis Marion P. Harthill 1971-9-25 596 Los Angeles Mt. Baden Powell, Angeles National Forest. 2834 Comment
  CATA3058  Cynara cardunculus Charlie de la Rosa 2011-3-16 042 Los Angeles Santa Catalina Island: South side 0 Comment
  SBBG12183  Cynodon dactylon P. H. Raven 1962-4-12 17342 Los Angeles Wilson Cove 45 Comment
  CATA1344  Cyperus eragrostis Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2448 Los Angeles Santa Catalina Island: Haypress Reservoir 420 Comment
  CATA1801  Cyperus eragrostis Benjamin E. Carter 2012-8-23 6985 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 309 Comment
  RSA365127  Cyperus eragrostis Robert Gustafson 1980-4-29 2216 Los Angeles Ballona Wetlands, Area 2. Comment
  SEINET7581713 Image available Cyperus erythrorhizos Louis C. Wheeler 1932-9-19 1391 Los Angeles Los Angeles River at Los Feliz Boulevard. 122 Comment
  CDA2586  Cyperus gracilis Tom Yutani 1983-9-2 Los Angeles Santa Monica. 0 Comment
  UCR151019  Cyperus involucratus Scott D. White 1997-5-7 5062 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  RSA125598  Cyperus rotundus Peter H. Raven 1957-11-14 11406 Los Angeles Westwood Village, West Los Angeles. 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
  UCD170925  Cytisus striatus A. C. Sanders; T. B. Salvato 2009-5-20 36864 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines NE of Plaza Dr., SE of Montebello Blvd. and SW of San Gabriel Blvd. 96 Comment
  RSA187951  Dactylis glomerata R. F. Thorne 1966-6-1 36487 Los Angeles Santa Catalina Island: site of razed St. Catherine's Hotel, N of Avalon. 5 Comment
  UCR241704  Dactylis glomerata Dan S. Cooper 2012-9-6 912- 66 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park 137 Comment
  POM156269  Datisca glomerata L. R. Abrams 1902-6-16 2557 Los Angeles Santa Monica Mountains: Sepulveda Canyon. Comment
  RSA470782  Daucus pusillus F. R. Fosberg 1931-3-26 S- 4382 Los Angeles Santa Catalina Island. Sea bluffs W of Hamilton Canyon. 90 Comment
  CAS-BOT-BC299275  Deinandra fasciculata John H. Thomas 1957-5-31 6802 Los Angeles Occidental College Campus, Los Angeles Comment
  CAS-BOT-BC299306  Deinandra fasciculata W. M. Heusi 1930-11-5 112 Los Angeles Above the Isthmus, Santa Catalina Island Comment
  UC1587209  Deinandra fasciculata Tim Ross 1991-5-20 5361 Los Angeles uppermost reaches Wilson Cove Canyon drainage (3300 ft nw of the 750 ft BM); San Clemente Island 141 Comment
  CHSC92949  Delairea odorata John Dittes; Eva Dittes 2005-12-30 1303 Los Angeles South Coast; Santa Monica Mtns.; Topanga Cyn; ca. 2.2 air-miles N of intersection of Topanga Cyn Road and Pacific Coast Hwy (State Hwy 1), ca. 1.6 air-miles southeast of intersection of Topanga Cyn Road and Old Topanga Cyn Road, ca. 1.5 air-miles W of Santa Ynez Canyon; slope on W side of Topanga Cyn Road. 129 Comment
  UC1930049  Delairea odorata Scott D. White 2003-1-7 8794 Los Angeles CISMONTANE INTERIOR VALLEY: Claremont. Blaisdell Park, east of College Ave. and north of Oak Park Dr. Southeast corner of the park. Comment
  IRVC26213  Delphinium cardinale A. C. Sanders, Mark A. Elvin 2003-6-18 26956 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  RSA0108892  Delphinium cardinale Richard G. Swinney 2010-8-11 13510 Los Angeles San Gabriel Mountains: San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/service road. 595 Comment
  RSA612066  Delphinium cardinale Valerie L. Soza 1998-4-26 77 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  SBBG50732  Delphinium cardinale R. W. Woglum 1937-6-15 812 Los Angeles San Gabriel River Wash Comment
  SD262363  Delphinium parishii R. G. Swinney 2014-4-17 16068 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. 901 Comment
  UCR222746  Delphinium parishii R. G. Swinney 2009-4-29 10571 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  POM156  Delphinium parryi P. A. Munz 1918-5-16 2255 Los Angeles Claremont. Comment
  RSA398744  Delphinium parryi Frances M. Morey 1922-4-29 s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC116272  Delphinium parryi subsp. parryi Alice Eastwood 1919-5-29 8980 Los Angeles San Gabriel Canyon Comment
  UCR223056  Delphinium patens R. G. Swinney 2009-6-2 11017 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
  RSA0029731  Delphinium patens subsp. montanum Robert F. Thorne, C. W. Tilforth 1971-6-30 40754 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1616 Comment
  CAS-BOT-BC82859  Dendromecon harfordii D. Lansky 1981-4-15 139 Los Angeles Piuma Road. 2 miles south of Las Virgens road. 320 Comment
  UCR260791  Dendromecon rigida R. G. Swinney 2010-2-27 11733 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
  RSA433699  Dendromecon rigida subsp. rigida I. M. Johnston 1913-5-14 13778 Los Angeles wash west of Upland Comment
  CAS-BOT-BC43169  Descurainia pinnata subsp. brachycarpa Carl B. Wolf 1928-3-29 1544 Los Angeles Foothills at south side of Antelope Valley, 2 miles south of Neenach. 1066 Comment
  RSA0060769  Descurainia pinnata subsp. brachycarpa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6822 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR190763  Descurainia sophia R. G. Swinney 1999-6-30 7492 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  CAS-BOT-BC43492  Descurainia sophia Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9478 Los Angeles 5 miles west of Lancaster on Antelope Valley Road. Comment
  CAS-BOT-BC402264  Dicentra chrysantha F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canon [Canyon] near Mt Lowe. San Gabriel Mountains Comment
  RSA737101  Dicentra chrysantha Scott D. White, Justin M. Wood 2008-10-7 12548 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  UC1126519  Dicentra chrysantha R. St. John 1931-4-30 212 Los Angeles Palomas Canyon; Tejon Quad. 609 Comment
  SDSU7274  Dicentra chrysantha A. H. Gallup 1948-4-28 159 Los Angeles ' The Wash' Claremont. 366 Comment
  SBBG57583  Dichelostemma capitatum subsp. capitatum R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  SD39679  Dichelostemma capitatum subsp. capitatum Edith A. Purer 1931-4-8 2001 Los Angeles El Segundo, established dunes. Comment
  UCR260814  Digitaria Steve Ries 2009-12-10 s.n. Los Angeles South Coastal Plain Region, weed in turf on north edge of Los Angeles Basin Comment
  POM307836  Digitaria sanguinalis Henry J. Ramsey, Henry J. Ramsey 1938-1-9 2765 Los Angeles Altadena. Comment
  RSA585123  Digitaria sanguinalis L. C. Wheeler 1933-11-19 2271 Los Angeles San Gabriel Canyon. 335 Comment
  CAS-BOT-BC151043  Diplacus brevipes Dr. Barton W. Evermann 1916-5-16 s.n. Los Angeles Saugus Comment
  CAS-BOT-BC153185  Diplacus johnstonii Jean L. Pawek 1964-9-15 627 Los Angeles San Gabriel Mountains. Highway 2 1828 Comment
  CAS-BOT-BC150636  Diplacus longiflorus L. R. Abrams 1913-7-18 5020 Los Angeles Russel's Lake Comment
  CAS-BOT-BC150645  Diplacus longiflorus Dr. Barton W. Evermann 1916-5-5 s.n. Los Angeles Newhall Comment
  SD114418  Diplacus longiflorus Darley F. Howe 1915-1 46 Los Angeles Claremont Comment
  CAS-BOT-BC150859  Diplacus rutilus Marcus E. Jones 1926-3-16 s.n. Los Angeles West of Pomona Comment
  UC2026405  Diplotaxis tenuifolia Louis C. Wheeler 1946-11-11 6443 Los Angeles LOS ANGELES: New Depot Street & Figueroa. Comment
  SD203911  Dissanthelium californicum Emily Howe 2010-4-8 Los Angeles San Clemente Island: Area north of the SCI airfield at the north end of the island Comment
  CAS-BOT-BC195613  Distichlis spicata Roxana S. Ferris 1918-6-12 894 Los Angeles Between Oban and Lancaster Comment
  RSA595128  Distichlis spicata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8566 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  SBBG122021  Dodecahema leptoceras A. Parikh, N. Gale 2003-5-28 747 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NNE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 538 Comment
  LA33497  Dodecatheon clevelandii Peter H. Raven; 1959-4-4 13962 Los Angeles SANTA MONICA MOUNTAINS, just E of Zuma Beach. 24 Comment
  UC1178653  Dodecatheon redolens Peter Kamb June 1947 618 Los Angeles Little Jimmy Spring San Gabriel Mts., Little Jimmy Spring 2286 Comment
  CAS-BOT-BC41698  Draba cuneifolia var. sonorae Geo. D. Abrams 1901-2-1 s.n. Los Angeles Fruitland. Comment
  CAS-BOT-BC159708  Drymocallis cuneifolia var. ewanii Wesley Griesel 1963-7-27 729 Los Angeles Lodgepole Picnic Area, State Hwy #2, San Gabriel Mts. 2286 Comment
  UC1586194  Drymocallis glandulosa Tim Ross 1991-8-16 5813 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat Quad., Horse Flats 1719 Comment
  UC1128211  Drymocallis glandulosa var. wrangelliana A. D. Gifford 1934-4-23 148 Los Angeles 1 1/2 mi w and 3/4 mi n Castro Pk.; Triunfo Pass Quadrangle Comment
  UCR192863  Drymocallis lactea var. lactea R. G. Swinney 1998-7-14 6430 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  LA200107  Dryopteris arguta Lawrence L. Kiefer; 1966-4-9 1835 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon, ca 3 mi N of Sunset Blvd in ravine W of road. 182 Comment
  RSA693704  Dryopteris arguta V. V. Giles 1936-7-5 269 Los Angeles Crystal Lake Road 1220 Comment
  UCR261517  Dryopteris arguta Joseph Cahill 2010-12-22 1210- 14 Los Angeles Western Transverse Range; Santa Monica Mountains, Mulholland Hwy, c. 2 miles from Pacific Coast Hwy 65 Comment
  SBBG70385  Dudleya cymosa R. Hoffmann 1930-6-6 Los Angeles Elizabeth Lake Cyn Comment
  UCR189400  Dudleya cymosa R. G. Swinney 1998-6-12 6190 Los Angeles San Gabriel Mountains, southwest of Pinon Hills, 0.2 mi due east of reservoir at mouth of Mescal Canyon [along Table Mountain Road] 1448 Comment
  CAS-BOT-BC109688  Dudleya cymosa subsp. ovatifolia K. Nakai 1980-6-8 621 Los Angeles Santa Monica Mountains, Topanga Canyon, 3.15 km north of California Highway 1. 150 Comment
  UCD101901  Dudleya cymosa subsp. ovatifolia Daryl Koutnik 1978-5-30 505 Los Angeles Cornell Corners on Cornell Road south of Agoura Road. 274 Comment
  RSA423503B  Dudleya cymosa subsp. pumila Anstruther Davidson s.n. Los Angeles Rock Creek. Comment
  RSA83366  Dudleya cymosa subsp. pumila F. W. Peirson 1919-5-14 452 Los Angeles Eaton Canyon. 685 Comment
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Dec 9 2015
  UC1178503  Dudleya cymosa subsp. pumila Peter Kamb 1947-5-25 531 Los Angeles above Sunset Ridge guard station (Millard's Canyon); San Gabriel Mtns 670 Comment
  SFV22018  Dudleya lanceolata V. Soza, L. Gross, A. Munoz 2000-5-12 896 Los Angeles Verdugo Mountains Northwestern end of Verdugo Mountains. Crestline Drive from New Home Avenue in Sunland. Ridge east of 210 Freeway and west of fire road, south (above) water tank. Northeast-facing slope of ridgetop. 488 Comment
  UCR205533  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2009-5-29 37036 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  UCR238637  Dudleya lanceolata Anuja Parikh, Nathan Gale 2010-6-30 3379 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Peak, 0.8 km ESE of the summit, [Upper Clamshell Truck Trail]1.7 km N of White Saddle 1250 Comment
  CAS-BOT-BC411394  Dudleya lanceolata Joseph Andorfer Ewan 1932-6-29 7560 Los Angeles 1/2 mile N of El Segundo Comment
  RSA225720  Dudleya lanceolata R. F. Thorne, A. C. Gibson 1971-5-22 39773 Los Angeles Fish Canyon 335 Comment
  RSA729787  Dudleya saxosa R. G. Swinney 1998-6-12 6967 Los Angeles San Gabriel Mtns.: 3 miles west of Pinion Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek. 1378 Comment
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May 25 2011
  RSA83353  Dudleya virens F. W. Peirson 1923-4-9 3487 Los Angeles San Clemente Island: at Middle Ranch Comment
  CAS-BOT-BC109732  Dudleya virens subsp. hassei L. R. Abrams 1932-6-1 s.n. Los Angeles Santa Catalina Island. Comment
  UCD98653  Dysphania ambrosioides Daryl Koutnik 1978-8-24 s.n. Los Angeles 6922 Hesperia Avenue, Reseda. 213 Comment
  CHSC95447  Echinochloa crus-galli LeRoy Gross; Wayne Law 2000-8-8 252 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  RSA353644  Echinodorus cordifolius Geo L. Moxley 1914-8-31 254 Los Angeles Between Dominquez Junction and Cota. Comment
  HSC12521  Ehrendorferia chrysantha Wendell Wood 1970-6-24 48 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  RSA279015  Ehrharta calycina R. F. Thorne, C. W. Tilforth 1971-4-9 41555 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek 381 Comment
  UCR125778  Ehrharta erecta A. C. Sanders 2003-5-26 26838 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
  RSA0086862  Ehrharta erecta Steven A. Junak 1998-6-13 SCa- 743 Los Angeles Santa Catalina Island: City of Avalon, in planted area at Casino Building. 2 Comment
  RSA0084179  Eleocharis palustris Scott D. White 1998-5-22 6558 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA612180  Eleocharis palustris Valerie Soza 1997-4-11 38 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenues and Foothill Boulevard. 412 Comment
  CAS-BOT-BC113165  Eleocharis palustris LeRoy Abrams 1903-3-1 851 Los Angeles Echo Park Comment
  RSA188252  Eleocharis palustris Robert F. Thorne, Percy C. Everett 1965-6-23 34982 Los Angeles Santa Catalina Island: Hay Press Reservoir. 412 Comment
  RSA729330  Eleocharis parishii R. G. Swinney 1999-6-30 7472 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. Riparian zone with Alnus rhombifolia, surrounded by pinyon-juniper woodland. 1561 Comment
  RSA656852  Eleocharis rostellata Valerie Soza, Laura Moore 2000-6-14 1013 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  UCD94957  Elymus elymoides A. D. E. Elmer 1902-7-1 s.n. Los Angeles Acton, SW of Palmdale, NE of Los Angeles. Comment
  RSA0091532  Elymus elymoides subsp. elymoides R. G. Swinney 2011-6-14 15128 Los Angeles Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UC1870331  Elymus glaucus subsp. glaucus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 404 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Vedugo 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
  UCR256263  Elymus trachycaulus R. G. Swinney 2010-10-13 14047 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  PASA2102  Emmenanthe penduliflora J. E. Giguette May, '26 Los Angeles Big Tujunga Comment
  RSA652210  Emmenanthe penduliflora Jeanne Bellemin 1969-5-16 s.n. Los Angeles San Gabriel Can. at Reservoir. Comment
  SFV15597  Emmenanthe penduliflora K. C. Molina, K. L. Garrett 1992-5-10 2 Los Angeles San Gabriel Mountains 4 km northeast Valyermo Ranger Station at Bob's Gap. Gravel hillside. 1200 Comment
  UCR127892  Emmenanthe penduliflora A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26107 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
  LA38486  Emmenanthe penduliflora var. penduliflora Carl Epling; L. Ellison 1929-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA654081  Emmenanthe penduliflora var. penduliflora Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 744 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 427 Comment
  SBBG121469  Encelia actoni R. Burgess, P. Munro 1999-4-17 3242 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk between first and second narrows 487 Comment
  RSA167094  Encelia californica W. G. Webb 1935-2-17 s.n. Los Angeles Eagle Rock. Comment
  UCR100610  Encelia californica B. G. Pitzer 1996-5-5 2852 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCD150969  Encelia farinosa D. S. Park 2010-4-27 55 Los Angeles Ranch Santa Ana Botanic Garden 380 Comment
  RSA249747  Ephedra nevadensis Robert F. Thorne, Gary Wallace 1973-4-25 43399 Los Angeles Holcomb Ridge 1159 Comment
  UC1083315  Ephedra viridis H. L. Mason 1926-4-26 2960 a Los Angeles 4 mi w of Sanger Comment
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Jul 31 2014
  RSA747584  Epilobium brachycarpum R. G. Swinney 2005-8-22 8515 Los Angeles San Gabriel Mountains: Devil s Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  RSA574950  Epilobium brachycarpum R. G. Swinney 1993-9-11 2652 Los Angeles Wrightwood, jct of Pine Rd & Hwy 2. S side of stream & adjacent to it. 1799 Comment
  CAS-BOT-BC166206  Epilobium canum subsp. canum Steven A. Junak 1996-9-28 SCI- 677 Los Angeles San Clemente Island: W side of island, in Box Canyon, ca. 0.5 miles downstream from Triangulation Point Snapper 304 Comment
  POM182356  Epilobium canum subsp. canum Joseph A. Ewan 1931-10-24 5289 Los Angeles East Fork Dume Canyon, Santa Monica Mountains. 427 Comment
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May 8 2014
  SBBG17104  Epilobium canum subsp. canum D. Laufenberg 1962-9-20 Los Angeles 3600 block of Dixie Cyn Ave, Sherman Oaks Comment
  UC20669  Epilobium canum subsp. canum W. H. Brewer 1861-12-5 45 Los Angeles San Gabriel Mts. Comment
  POM308134  Epilobium canum subsp. latifolium Henry J. Ramsey 1937-9-2 2941 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  RSA0096795  Epilobium canum subsp. latifolium R. G. Swinney 2011-10-10 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 1537 Comment
  UCR217816  Epilobium canum subsp. latifolium Dan S. Cooper 2010-8-27 810- 94 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south side of Zoo Dive, just west of Travel Town 168 Comment
  UCR223374  Epilobium canum subsp. latifolium R. G. Swinney 2009-7-23 11392 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
  SBBG78676  Epilobium ciliatum F. R. Fosberg 1931-7-10 5370 Los Angeles Eagles Nest, Middle Ranch Cyn; below spring 180 Comment
  UCR190930  Epilobium ciliatum R. G. Swinney 1999-7-28 7599 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, just south of confluence of Clark Gulch 963 Comment
  UCR270850  Epilobium ciliatum R. G. Swinney 2011-6-29 15345 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA573705  Epilobium ciliatum subsp. ciliatum Tim S. Ross 1990-8-17 3149 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  SD85084  Epilobium ciliatum subsp. ciliatum E. R. Blakley 1962-10-5 5443 Los Angeles Santa Catalina Island, Cottonwood Canyon 1/4 mile upstream from the ocean. 29 Comment
  UC56105  Epilobium ciliatum subsp. ciliatum J. H. Barber 1898-8-3 Los Angeles Topango Comment
  POM247923  Epilobium ciliatum subsp. glandulosum Joseph A. Ewan 1936-8-8 9991 Los Angeles Swartout Valley. 1905 Comment
  RSA774789  Epilobium densiflorum R. G. Swinney 2009-7-23 11389 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET3149904  Epilobium parishii G. B. Grant 1904-6-17 400 /6302 Los Angeles Pasadena Comment
  UCR258614  Epipactis gigantea R. G. Swinney 2010-6-23 13333 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  RSA229749  Epipactis gigantea Wesley O. Griesel 1962-4-17 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 549 Comment
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Jul 5 2010
  RSA381715  Epipactis gigantea Bonnie C. Templeton, I. W. Clokey 1936-5-18 5665 Los Angeles San Gabrie1 Canyon, 1/2 mile below dam. [San Gabriel Mounntains]. Comment
  SDSU272  Equisetum arvense A. H. Gallup 1949-4-17 406 Los Angeles Lasca-- around the lake. 152 Comment
  UCR239950  Equisetum laevigatum R. G. Swinney 2009-11-16 11641 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCR273182  Equisetum laevigatum R. G. Swinney 2011-5-19 14757 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
  RSA432672  Eremalche exilis Blanche Trask 1901-03 2593 Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG4670  Eremalche exilis H. and M. Dearing 1938-5-1 2684 Los Angeles near Palmdale Comment
  RSA421553  Eremocarpus setiger Geo. L. Moxley 1917-9-4 s.n. Los Angeles Eagle Rock. Comment
  SBBG126939  Eremogone macradenia var. macradenia A. Parikh, N. Gale 2011-6-6 3418 Los Angeles 5 km W of St Hwy 14, 1.6 km SW of California Aqueduct; E Liebre Mtns 1063 Comment
  LA200985  Eremothera boothii subsp. decorticans Carl Wishner; 1987-3-15 1300 Los Angeles 499 Comment
  RSA0118095  Eriastrum densifolium subsp. elongatum 2015-8-19 7555 Los Angeles Along Santa Clara River at Discovery Park, west side of Canyon Country, east of Honby, northeast of Santa Clarita. North of Soledad Canyon Road, at edge of river wash. 396 Comment
  SD197852  Eriastrum densifolium subsp. elongatum R. G. Swinney 2005-8-22 8513 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  RSA0107960  Eriastrum densifolium subsp. elongatum Fay A. MacFadden 1931-7-8 3083 Los Angeles Roscoe. Comment
  JEPS123280  Eriastrum hooveri David Gowen 2005-5-12 322 Los Angeles Cuyama River. Santa Barbara Canyon Road just west of Hwy 33. Comment
  UC130872  Eriastrum rosamondense Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  SBBG17122  Eriastrum sapphirinum K. A. Wilson 1961-4-26 1157 Los Angeles Soledad Cyn; small cyn adjacent to Bee Cyn, N of River's End Ranch Comment
  RSA0121275  Eriastrum sapphirinum subsp. dasyanthum D. E. Bramlet 1976-5-27 53 a Los Angeles California State Polytechnic University campus. Found east of upper parking lot (behind the health center). 274 Comment
  RSA0121289  Eriastrum sapphirinum subsp. dasyanthum F. R. Fosberg 1930-7-3 S- 3105 Los Angeles San Gabriel River, El Monte. Comment
  RSA0122872  Eriastrum sapphirinum subsp. dasyanthum L. R. Abrams 1902-7-2 2636 Los Angeles Sierra Madre. Comment
  RSA587221  Ericameria cooperi Orlando Mistretta, Christine Mistretta 1995-5-2 1671 Los Angeles San Gabriel Mountains: Carr Canyon. 1052 Comment
  RSA725079  Ericameria cooperi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -74 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  SD231203  Ericameria cooperi Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 50506 74 Los Angeles Transverse Ranges: San Gabriel Mountains region: Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash 1444 Comment
  CAS-BOT-BC131686  Ericameria cooperi var. cooperi H. M. Hall 1905-6-1 6312 Los Angeles Tejon Pass (near Kern Co. line) 1219 Comment
  JEPS19136  Ericameria cuneata var. cuneata Frank W. Peirson 1918-9-7 222 Los Angeles trail from Mt. Lowe to Mt. Wilson; San Gabriel Mountains 1615 Comment
  POM359351  Ericameria ericoides var. ericoides Anstruther Davidson 1894-09 s.n. Los Angeles Redondo Comment
  JEPS26434  Ericameria linearifolia Peter H. Raven and Henry J. Thompson 1960-4-24 15126 Los Angeles Cornell Corners Santa Monica Mountains, Cornell Corners 213 Comment
  UCSB50659  Ericameria linearifolia Wood, Kathy 1980-5-22 Los Angeles Interstate 5 north to Hungry Valley Road offramp 22 miles 914 Comment
  UCR239958  Ericameria nauseosa R. G. Swinney 2009-11-16 11649 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Big Rock Wash, 1.2 miles south of Pallett Creek Rd. & Valyermo Rd. junction, 50 m west of Valyermo Rd. 1079 Comment
  SEINET13203275 Image available Ericameria nauseosa subsp. consimilis R. G. Swinney 2011-1 15864 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  SBBG62954  Ericameria nauseosa var. hololeuca R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, ca. 7 mi E of Saugus Comment
  UC590905  Ericameria nauseosa var. hololeuca F. R. Fosberg 1931-7-11 7057 Los Angeles near Reservoir Summit (Ridge Route, w Sierra Madre Mountains); Sierra Madre Mountains 1200 Comment
  CAS-BOT-BC298044  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
  CAS-BOT-BC298186  Ericameria nauseosa var. oreophila I. M. Johnston 1917-8-21 1706 Los Angeles Upper San Antonio Canon 2286 Comment
  LA32043  Ericameria parishii var. parishii Henry J. Thompson; 1958-10-22 1811 Los Angeles SANTA MONICA MOUNTAINS, Mt. Hollywood, Griffith Park, just N of Mt. Hollywood. 380 Comment
  RSA292490  Ericameria pinifolia James Henrickson 1973-11-2 8094 Los Angeles 8 miles NW of Newhall on Chaparral hillside above fields Nw of jct of Hwy 5 & Hasley Canyon road. 366 Comment
  UC55178  Ericameria pinifolia H. M. Hall 1903-4-1 3758 Los Angeles above Los Angeles; Verdugo Wash Comment
  UCR108196  Ericameria pinifolia Valerie Soza, M. E. Siqueiros D. 1997-3-19 16 Los Angeles San Gabriel Mtns., Claremont, Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Blvd. west of main paved road, north of Foothill Blvd. 412 Comment
  UCR95537  Ericameria pinifolia L. C. Wheeler 1967-5-2 9256 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  RSA0022952  Erigeron breweri var. covillei Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5131 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA226997  Erigeron breweri var. jacinteus R. F. Thorne 1971-8-25 41242 Los Angeles San Gabriel Mountains, Angeles National Forest: S ridge of summit of Mt. Baden- Powell 2805 Comment
  RSA330815  Erigeron breweri var. jacinteus Wayne E. Sawyer 1981-8-11 128 Los Angeles Crest trail, ca. 0.5 mi. se of Littly Jimmy Spring and 1.1 mi. W of Mt. Hawkins 2453 Comment
  UCR280939  Erigeron foliosus Mitch Provance 2017-6-30 617- 35 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  SFV13409  Erigeron foliosus var. foliosus W. M. Perry 1980-7-3 74 Los Angeles San Gabriel Mountains Firebreak on ridge of east side of lower Cattle Canyon. 1050 Comment
  SJSU13599  Erigeron foliosus var. foliosus C. W. Sharsmith 1945-9-7 5460 Los Angeles summit of Mt Waterman, San Gabriel Mts 2225 Comment
  SJSU3878  Erigeron foliosus var. foliosus C. W. Sharsmith 1964-1-1 7177 Los Angeles near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mountains 1371 Comment
  CHSC14154  Eriodictyon crassifolium L. M. Mayer 1974-4-5 121 Los Angeles On Big Tujunga Canyon Rd. ca 1/2 mi ne of its junction with Mt. Gleason Blvd. Comment
  RSA0116165  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. 610 Comment
  RSA222245  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1936-7-1 4204 Los Angeles Bell Canyon. 945 Comment
  RSA654026  Eriodictyon crassifolium var. nigrescens Valerie L. Soza, Laura Moore 2000-5-10 836 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines. 595 Comment
  UC666537  Eriodictyon crassifolium var. nigrescens Reid Moran 1941-5-17 863 Los Angeles n San Fernando (Pico Canyon); , n of San Fernando 600 Comment
  UCD119241  Eriodictyon crassifolium var. nigrescens Steve Boyd; Amber Maurice 2004-5-18 11317 Los Angeles Transverse Ranges; Liebre Mountains region: On road leading down towards Atmore Meadows area from main road on crest of Liebre Mountain, at crossing of spring outflow. 1437 Comment
  UCR238105  Eriodictyon crassifolium var. nigrescens Mark A. Elvin, Julie M. Vanderwier 2002-5-9 2017 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, near entrance of Magic Mountain amusement park 351 Comment
  CAS-BOT-BC188953  Eriodictyon parryi Le Roy Abrams 1908-7-2 577 Los Angeles Rock Creek, San Gabriel Mountains 1676 Comment
  RSA748438  Eriodictyon trichocalyx Justin M. Wood 2009-6-1 805 Los Angeles Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4) 1582 Comment
  SBBG65120  Eriodictyon trichocalyx R. Hoffmann 1929-5-19 Los Angeles Paradise Camp, Big Rock Crk Comment
  UC24059  Eriodictyon trichocalyx var. trichocalyx Harley P. Chandler 1897-5-11 Los Angeles Claremont 426 Comment
  RSA226034  Eriogonum angulosum Robert F. Thorne, C. W. Tilforth 1971-6-29 40673 Los Angeles San Gabriel Mountains, Angeles National Forest: ca. 1/2 mi W of Soledad near mouth of Kentucky Springs Canyon 945 Comment
  RSA524962  Eriogonum angulosum Tim S. Ross, S. D. Boyd 1990-6-6 2816 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  UCD99684  Eriogonum angulosum A. C. Sanders 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed; Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon. WNW of Del Valle. 335 Comment
  UCR163334  Eriogonum baileyi Anuja Parikh, Nathan Gale 2004-6-22 2061 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  UC284984  Eriogonum brachyanthum P. A. Munz 1923-5-27 6894 Los Angeles Pallett Creek San Gabriel Mts., Pallett Creek Comment
  CAS-BOT-BC241895  Eriogonum cinereum J. Ewan 1931-10-24 5293 Los Angeles Escondido Canyon, Santa Monica Mts. 304 Comment
  LA206741  Eriogonum cinereum Harvey Anderson; August 1931 sn Los Angeles Santa Monica Mountains, Escondido Canyon Comment
  RSA393136  Eriogonum cinereum Anstruther Davidson 1910-7-5 2498 Los Angeles Redondo bluffs. Comment
  RSA580193  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd 1994-5-25 7939 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  CAS-BOT-BC242763  Eriogonum davidsonii Timothy S. Ross; Steve Boyd 1994-9-21 8302 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point (5345-ft.) 1623 Comment
  RSA393180  Eriogonum davidsonii Unspecified 1905-1 1871 Los Angeles Hollywood Comment
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Aug 27 2011
  RSA659866  Eriogonum davidsonii Orlando Mistretta 1992-8-20 758 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  RSA727372  Eriogonum davidsonii R. G. Swinney 1998-5-16 6077 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  UCR145167  Eriogonum davidsonii June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  UCR149890  Eriogonum davidsonii R. G. Swinney 1999-6-18 7323 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  SBBG125857  Eriogonum deflexum var. baratum A. Parikh, N. Gale 2010-6-2 3250 Los Angeles Sierra Pelona, 3.7 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1150 Comment
  RSA393481  Eriogonum deflexum var. baratum Anstruther Davidson 1897-10 s.n. Los Angeles Little Rock Creek. Comment
  SEINET11931588  Eriogonum fasciculatum R. A. Schlising 1971-1 3008 Los Angeles Lopez Canyon, N of Pacoima Comment
  CAS-BOT-BC253268  Eriogonum fasciculatum var. foliolosum John H. Thomas 1957-2-14 6485 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  UCR212771  Eriogonum fasciculatum var. foliolosum Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1772 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed [Sycamore Canyon, east of Sycamore Canyon Road and north of San Dimas Canyon Park] 385 Comment
  RSA2255  Eriogonum fasciculatum var. foliolosum L. R. Abrams 1900-8-10 1048 Los Angeles San Gabriel Mountians: San Gabriel Canyon. Comment
  UC161739  Eriogonum giganteum F. M. Reed 1909-7-3 2799 Los Angeles crest of island s of Avalon; Catalina Island 365 Comment
  UC77569  Eriogonum giganteum Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC250316  Eriogonum giganteum var. formosum Marcus E. Jones 1902-6-27 s.n. Los Angeles Catalina Island Comment
  SBBG12769  Eriogonum giganteum var. formosum E. R. Blakley 1962-6-10 5236 Los Angeles above and N of Seal Cove 60 Comment
  CAS-BOT-BC250298  Eriogonum giganteum var. giganteum Brandegee 1890-5-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA393368  Eriogonum giganteum var. giganteum T. Gertrude Williamson 1924-08 s.n. Los Angeles Santa Catalina Island. Comment
  UC472153  Eriogonum gracile J. Ewan 1931-10-11 5247 Los Angeles Sepulveda Canyon Rd. n Mulholland; Santa Monica Mts. Comment
  SD52902  Eriogonum grande var. grande Peter H. Raven 1962-7-10 17979 Los Angeles San Clemente Island; Canyon below Lemon Tank 244 Comment
  RSA755827  Eriogonum heermannii R. G. Swinney 2008-10-7 9484 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  SD143490  Eriogonum heermannii Victor Duran 1933-8-10 3545 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1395 Comment
  RSA300693  Eriogonum kennedyi var. alpigenum James R. Shevock 1974-10-5 3877 Los Angeles at the summit of Mt. Baden-Powell on the southern side of the peak. San Gabriel Mountains. Angeles National Forest. 2866 Comment
  CAS-BOT-BC268782  Eriogonum mohavense Victor Duran 1933-5-23 3416 Los Angeles Near Lancaster Comment
  CHSC113757  Eriogonum ordii Sandy Leatherman; Pam DeVries 2011-4-28 2011 -8 Los Angeles Los Angeles County. Transverse Ranges; Liebre Mountains region: Directly north of Esguerra Road, 1500 meters from Bouquet Canyon Road in Santa Clarita. Alt.: 491m/1610ft. UTM Zone 11S; 366107. 08E 3814909.99N. Comment
  CAS-BOT-BC257754  Eriogonum parvifolium A. J. McClatchie 1893-7-3 149 Los Angeles Redondo Comment
  RSA393066  Eriogonum parvifolium var. parvifolium Tom Burch 1940-04 s.n. Los Angeles Redondo Beach. South end of Town. 0 Comment
  SD38703  Eriogonum parvifolium var. parvifolium Edith A. Purer 1933-10-7 5584 Los Angeles Partially stabilized sand dunes, El Segundo Comment
  RSA716493  Eriogonum roseum Scott D. White, Andrea Warniment 2006-7-6 11606 Los Angeles SE Tehachapi Mtns: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. 1113 Comment
  POM49219  Eriogonum roseum A. D. E. Elmer 1902-06 3725 Los Angeles Acton. Comment
  RSA0095310  Eriogonum saxatile Richard G. Swinney 2011-6-23 15323 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao visitor Center. 1582 Comment
  SEINET3160086  Eriogonum saxatile G. B. Grant 1906-6-19 6915 Los Angeles Summit, Mt. Wilson 1829 Comment
  RSA424909  Eriogonum saxatile L. E. Hoffman 1931-11-29 s.n. Los Angeles San Gabriel Mountains, Angeles Forest: Holcomb Creek. Comment
  UCR209459  Eriogonum umbellatum R. G. Swinney 2008-10-10 9570 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR20171  Eriogonum umbellatum var. minus T. P. Krantz 1979-9-15 s.n. Los Angeles San Gabriel Mountains, Pine Mt. Ridge 2134 Comment
  UCR222762  Eriogonum viridescens R. G. Swinney 2009-5-12 10748 B Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  RSA526559  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4244 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCD132155  Eriophyllum confertiflorum Geoffrey Levin 1974-5-1 66 Los Angeles near intersection of Padua Ave. and Baseline Ave., Claremont. Santa Ana River and Pacific Slope Drainage Area. 365 Comment
  UCR209944  Eriophyllum confertiflorum R. G. Swinney 2008-7-15 9206 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  SBBG96975  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4327 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  RSA357919  Eriophyllum confertiflorum var. confertiflorum F. R. Fosberg 1931-8-8 S 5633 Los Angeles San Gabriel Mountains. 1500 Comment
  UCR65219  Eriophyllum nevinii F. R. Fosberg 1931-7-16 S 5609 Los Angeles Channel Islands, Santa Catalina Island, Avalon 5 Comment
  UC1563084  Eriophyllum pringlei Steve Boyd 1986-3-30 1517 Los Angeles 0.5 mi e of junction Hwy 138 (Highway 18, ne of Pinyon Hills); Mojave Desert Comment
  UCD39073  Eriophyllum pringlei Beecher Crampton 1963-5-7 6774 Los Angeles San Bernardino: Los Angeles County border; 0.5 miles n.w. Desert Springs, State Hwy. 138. 1185 Comment
  UCR177444  Eriophyllum pringlei LeRoy Gross 2005-5-19 2264 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
  UCR186967  Erodium brachycarpum A. C. Sanders 2006-4-10 32012 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  UCR123635  Erodium cicutarium Steven R. Hill, K. Kramer 2001-4-22 33350 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  CAS-BOT-BC40719  Erysimum capitatum Alice Eastwood; John Thomas Howell 1937-4-26 3955 Los Angeles Mint Canyon. Comment
  CAS-BOT-BC54693  Erysimum capitatum var. capitatum Joseph Andorfer Ewan; Nesta Ewan 1936-8-2 9895 Los Angeles San Gabriel Mountains. 1.5 mile below head of Cedar Canyon off Mescal Canyon. Comment
  JEPS17081  Erysimum capitatum var. capitatum Rimo Bacigalupi 1955-4-6 4815 Los Angeles 3.5 mi sw Edwards Air Force Base (Muroc Lake); Mojave Desert Comment
  RSA0073278  Erysimum capitatum var. capitatum Bonnie C. Templeton 1932-5-31 4842 Los Angeles Between Big Pines Campground and Jackson Lake. Comment
  RSA587616  Erysimum capitatum var. capitatum Orlando Mistretta 1994-4-29 1133 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  SBBG119272  Eschscholzia caespitosa O. Mistretta 1995-6-23 1845 Los Angeles Lookout Mtn Trail 1463 Comment
  RSA188113  Eschscholzia californica Robert F. Thorne, Percy C. Everett 1965-6-23 34988 Los Angeles Santa Catalina Island. Upper part of Middle Ranch Canyon. 274 Comment
  SBBG82795  Eschscholzia californica M. Bufkin -Apr-1895 Los Angeles near Pasadena Comment
  RSA482504  Eschscholzia californica subsp. californica Richard Noyes, L. Arnseth 1988-4-30 542 Los Angeles Claremont. Foothills of San Gabriel Mountains. North facing slope of Thompson Creek Dam. 500 Comment
  PASA460  Eschscholzia minutiflora Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  RSA0089237  Eschscholzia minutiflora Steve D. Boyd, Gary D. Wallace 2011-4-14 12319 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA188917  Eschscholzia ramosa Robert F. Thorne 1966-4-5 35862 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  RSA445469  Eschscholzia ramosa Katherine Brandegee 1916-5-17 s.n. Los Angeles Santa Catalina Island. Comment
  RSA131018  Eucrypta chrysanthemifolia Percy C. Everett, E. K. Balls 1959-6-2 23836 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  SD72726  Eucrypta chrysanthemifolia F. R. Fosberg 1931-3-27 S 4412 Los Angeles Santa Catalina Island; Hamilton Canyon, near Avalon. 60 Comment
  RSA151311  Eucrypta chrysanthemifolia Peter H. Raven 1962-5-10 17719 Los Angeles Near head of canyon north of Thirst (south side), San Clemente Island. 427 Comment
  UCSB41664  Eucrypta chrysanthemifolia Warren, Linette 1982-4-17 Los Angeles 900 feet up dirt road off Browns Canyon Road; 0.5 miles north of its junction with Simi Valley Fwy.; Browns Canyon; Chatsworth 365 Comment
  UC24010  Eucrypta chrysanthemifolia var. chrysanthemifolia Harley P. Chandler 1897-3-25 Los Angeles San Dimas 609 Comment
  UCSB72621  Eucrypta chrysanthemifolia var. chrysanthemifolia Soza, Valerie; Sidibeh, Miriam 2003-3-26 Los Angeles Transverse Ranges; Verdugo Mountains region: 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
  RSA0042673  Eucrypta chrysanthemifolia var. chrysanthemifolia Laura Moore 1999-4-10 021 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  UC1228867  Eucrypta chrysanthemifolia var. chrysanthemifolia Peter H. Raven 1962-5-9 17695 Los Angeles just s Gray, San Clemente Island; San Clemente Island 304 Comment
  JEPS33741  Eulobus californicus I. W. Clokey and B. C. Templeton 1930-4-8 5357 Los Angeles San Francisquito Canyon 800 Comment
  SFV16044  Eulobus californicus A. M. Orcino 1994-5-10 17 Los Angeles Santa Monica Mountains 0.45 miles east on Stunt Road from junction with Mulholland Highway. 335 Comment
  UCSB7338  Eulobus californicus Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre Canyon 304 Comment
  LA200684  Eulobus californicus D. S. Verity; August 1981 sn Los Angeles Santa Monica Mountains, Sepulvada Can Comment
  UCR194041  Euphorbia albomarginata R. G. Swinney 1999-6-5 7244 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA602210  Euphorbia helioscopia L. C. Wheeler 1945-6-10 6066 Los Angeles South El Monte: Between Rio Hondo and San Gabriel Rivers, between Repetto and Punte Hills. Siphon Road, 1/4 Mile east of Durfee Avenue. Comment
  RSA432451  Euphorbia peplus F. R. Fosberg 1931-4-10 s- 4530 Los Angeles Santa Catalina Island, Avalon. 8 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
  RSA654331  Euphorbia supina Benjamen Rangel 1992-5-17 777 -48 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  CATA756  Extriplex californica Mark L. Hoefs 1991-5-22 1285 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  SD51869  Extriplex californica Peter H. Raven 1962-7-11 18010 Los Angeles San Clemente Island; on grassy slopes, Wilson Cove. 60 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
  RSA0110754  Festuca myuros R. G. Swinney 2011-5-19 14758 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  SBBG105373  Festuca myuros R. M. Beauchamp 1976-5-22 4109 Los Angeles N of jct of main island rd and rd to Stone 403 Comment
  RSA0098636  Filago californica R. G. Swinney 2010-5-11 12696 Los Angeles San Gabriel Mountains: east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA625855  Filago californica Scott D. White, Pam De Vries 1998-4-19 6278 Los Angeles Irwindale: Santa Fe Flood Control Basin (on the San Gabriel River) 150 Comment
  RSA004508  Filago californica Fay A. MacFadden 1931-04 3181 Los Angeles Verdugo Mountains: La Tuna Canyon 335 Comment
  RSA534055  Filago californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5244 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']). Beginning of drainage. 389 Comment
  SBBG13814  Foeniculum vulgare M. A. Piehl 1962-10-3 62485 Los Angeles head of S fork of Gallagher Cyn 396 Comment
  RSA718265  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  CAS-BOT-BC384176  Forestiera pubescens subsp. parvifolia Robert F. Thorne; J. P. Simon; J. Dourley; H. Caulfield 1970-5-1 39542 Los Angeles Along lower Big Rock Creek ca. 1 mi. S of Valyermo Station 1249 Comment
  LA91507  Fraxinus dipetala Bruce Douglas Clayton; Greg Shaw 1972-4-20 107 Los Angeles Santa Monica Mountains, Blackrill Creek canyon, Mountain Park Research Campus, near border of property 548 Comment
  RSA464906  Fraxinus dipetala L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  CAS-BOT-BC211012  Fraxinus velutina Henry J. Thompson 1959-3-22 1874 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.) 0.25 mile from Triunfo Canyon, 2.5 miles west of Malibu Lake, Lobo Canyon 213 Comment
  RSA465214  Fraxinus velutina var. coriacea Robert Gustafson 1981-4-14 2161 Los Angeles Ballona Wetlands, Area 2. Comment
  UC1137176  Fremontodendron californicum subsp. californicum P. L. Johannsen 1934-2-21 301 Los Angeles Santa Susana Mountains 990 Comment
  UCD139700  Fritillaria pinetorum M. Vincent 1962-5-7 238 Los Angeles Big Pine Camping Area. On grounds of Santa Monica Girl Scout Camp. Camp Manzanita. Comment
  UCR80218  Galinsoga parviflora L. C. Wheeler 1932-11-6 1446 Los Angeles San Gabriel Valley, Garey Ave., 3 mi N Pomona 305 Comment
  JEPS7038  Galium andrewsii subsp. intermedium S. B. and W. F. Parish June 1887 1896 Los Angeles Elizabeth Lake Comment
  RSA593434  Galium andrewsii subsp. intermedium Steve D. Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8890 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  RSA0039463  Galium angustifolium R. G. Swinney 2010-6-21 13251 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
  UCR206449  Galium angustifolium R. G. Swinney 2008-6-9 8966 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  CAS-BOT-BC226817  Galium angustifolium subsp. angustifolium Timothy S. Ross; Steve Boyd 1994-5-10 7700 Los Angeles Liebre Mountains. Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  POM367659  Galium angustifolium subsp. angustifolium F. R. Fosberg 1931-3-24 S 4354 Los Angeles Hamilton Canyon, Overlooking Thompson Reservoir. 50 Comment
  RSA0056247  Galium angustifolium subsp. angustifolium Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon. 543 Comment
  RSA507978  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1988-4-28 2232 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA615923  Galium angustifolium subsp. angustifolium Scott D. White, Brian Leatherman 1997-1-14 6043 Los Angeles Santa Clara River Watershed. Upper Oak Springs Canyon above existing gravel quarry. 579 Comment
  RSA702444  Galium angustifolium subsp. angustifolium Scott D. White 2004-7-27 10630 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  SD69537  Galium angustifolium subsp. angustifolium Robert F. Thorne, P. Everett 1965-6-22 34918 Los Angeles Santa Catalina Island: S of Avalon golf course in open, flat sandy bottom of Avalon Canyon 91 Comment
  UC1375377  Galium angustifolium subsp. angustifolium Robert F. Thorne and A. C. Gibson 1971-5-22 39736 a Los Angeles Fish Canyon San Gabriel Mts., Angeles National Forest 304 Comment
  RSA762243  Galium angustifolium subsp. angustifolium Orlando Mistretta, Christine Mistretta 2008-5-19 3123 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
  POM48098  Galium angustifolium subsp. nudicaule I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1585 Comment
  RSA177669  Galium aparine Robert F. Thorne, Percy C. Everett 1965-5-10 34487 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  SBBG97002  Galium aparine S. Boyd with T. Ross, L. Arnseth 1990-4-8 4370 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  POM367746  Galium aparine Blanche Sell 1923-6-12 s.n. Los Angeles Topanga Pass. Comment
  SBBG127511  Galium catalinense M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2840 Los Angeles bluff SE of Rippers Cove 6 Comment
  CAS-BOT-BC217474  Galium catalinense Louis C. Wheeler 1969-5-17 s.n. Los Angeles 0.3 mile south southeast Isthumus Bench Mark, Santa Catalina Island 121 Comment
  UC1587150  Galium catalinense subsp. acrispum Tim Ross 1991-5-23 5493 Los Angeles middle of island San Clemente Island, lower Tota Canyon (eastern escarpment) 80 Comment
  SBBG132298  Galium catalinense subsp. acrispum S. A. Junak, B. Collins 1991-4-25 SCI- 230 Los Angeles overlooking E side of island, Triangulation Point "Jack" 259 Comment
  CAS-BOT-BC217509  Galium grande L. Street 1918-5-19 s.n. Los Angeles Mt. Wilson Trail Comment
  RSA279053  Galium grande Robert F. Thorne 1971-4-23 41465 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  RSA653389  Galium grande Steve Fischer 1998-7-24 SFCNPS 26 Los Angeles Upper Winter Creek Trail. 854 Comment
  UC1929779  Galium grande Valerie Soza, Bill Hogshead 2003-5-6 1649 a Los Angeles Transverse Ranges; San Gabriel Mountains region; Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  UCR20078  Galium grande T. P. Krantz, G. Krantz 1979-4-26 s.n. Los Angeles San Gabriel Mtns., Hills above Chantry Flat Station, on left side of Upper Winter Creek Trail, c. 40 m from trailhead off if fireroad 2N41 671 Comment
  RSA585935  Galium johnstonii Tim S. Ross, Steve D. Boyd 1990-5-23 2638 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon 1308 Comment
  RSA586706  Galium johnstonii Orlando Mistretta, Mark A. Elvin 1995-6-20 1804 Los Angeles Bare Mountain Canyon. 1738 Comment
  RSA611371  Galium johnstonii Louis C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1738 Comment
  RSA774803  Galium johnstonii R. G. Swinney 2009-7-23 11399 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR73392  Galium johnstonii T. S. Ross 1991-8-14 5755 Los Angeles San Gabriel Mtns, Roundtop Mtn 1890 Comment
  LA51374  Galium nuttallii subsp. nuttallii Henry J. Thompson; 1959-3-31 1914 Los Angeles Santa Monica Mountains, 1.2 mi SW of Seminole Hot Springs, about 2 mi SW of Cornell 396 Comment
  RSA719591  Galium parishii R. G. Swinney 1997-7-17 5686 Los Angeles Summit of Table Mountain, NW of Wrightwood. 2277 Comment
  UCR149787  Galium porrigens Scott D. White, Pam Devries 2004-6-14 10499 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
  RSA320822  Galvezia speciosa F. C. Boutin 1967-4-23 1669 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site. 305 Comment
  RSA424698A  Galvezia speciosa F. R. Fosberg 1931-7-15 S- 5415 Los Angeles Isthmus, Santa Catalina Island. 30 Comment
  SBBG39563  Gambelia speciosa K. K. Muller 1953-5-2 596 Los Angeles above ocean, just S of Camp Orizaba, Swain Cyn Comment
  CAS-BOT-BC158046  Garrya veatchii I. M. Johnston 1918-5-19 1983 Los Angeles San Antonio [Canon] Canyon (Kerkhoff Grade) Comment
  CDA5231  Gaura sinuata Johnson 1939-8-1 Los Angeles West Covina. 0 Comment
  RSA0084929  Gazania linearis R. G. Swinney 2010-3-10 11812 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  SD212592  Genista monspessulana Jennifer H. Jones, Jay H. Jones 2006-6-4 382 Los Angeles Foothills of San Gabriel Mountains; Webb Canyon Road. 415 Comment
  RSA70498  Geranium californicum F. W. Peirson 1922-7-6 3185 Los Angeles Swartout Valley region. Big Pines, north side of San Gabriel Mtns. 2073 Comment
  SBBG118148  Geranium carolinianum F. R. Fosberg 1931-3-20 4319 Los Angeles Hamilton Cyn 40 Comment
  OBI32732  Geranium robertianum A. R. Roos 1958-6-3 s.n. Los Angeles Evans-Reserve Nursery, Brentwood, W Los Angeles Comment
  RSA748851  Gilia R. G. Swinney 2008-5-8 8791 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
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Dec 7 2018
  RSA763106  Gilia R. G. Swinney 2008-8-13 9386 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
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Dec 7 2018
  SEINET6969908  Gilia Wanda P. Vestal, A. G. Vestal 1955-3-26 3479 Los Angeles East side of road in field, Antelope Valley east of Fairmont on 110th Street. Comment
  SFV2858  Gilia achilleifolia K. A. Wilson 1961-4-26 1156 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. 610 Comment
  UC1537493  Gilia achilleifolia subsp. achilleifolia Gordon H. True Jr. 1935-3-27 169 Los Angeles foothills 5 mi sw Palmdale; sw of Palmdale 944 Comment
  LA52319  Gilia angelensis Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA732530  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Exon Mesa, due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River. 335 Comment
  RSA276031  Gilia angelensis Jack Delaini 1974-4-5 106 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 503 Comment
  LA200746  Gilia capitata subsp. abrotanifolia J. Sauer; M. Gardner 1983-5-15 6253 Los Angeles Comment
  RSA515209  Gilia latiflora subsp. latiflora Steve Boyd 1986-3-30 1497 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  UCR84373  Gilia latiflora subsp. latiflora T. S. Ross, Steve Boyd, L. Arnseth 1991-4-29 4787 Los Angeles San Gabriel Mtns., Parker Mtn and ridge to the SW: SW of Acton and NNE of Ravenna 1259 Comment
  RSA757198  Gilia minor Orlando Mistretta, Christine Mistretta 2008-4-8 2387 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  UCR191536  Gilia modocensis R. G. Swinney 1998-7-8 6310 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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May 3 2012
  RSA150674  Gilia nevinii P. H. Raven 1962-4-10 17192 Los Angeles San Clemente Island: among rocks on sides of a steep gully, on east side of island below a point about 2 miles north of Thirst. 473 Comment
  UCR129378  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1995-4-11 1621 Los Angeles San Gabriel Mtns, Santiago Canyon. W-draining slopes of Santiago Canyon c. 1 mi SW of the confluence with Little Rock Creek 1159 Comment
  RSA0016262  Gilia ochroleuca subsp. bizonata Orlando Mistretta, Christine Mistretta 2008-4-30 2568 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
  RSA0017201  Gilia ochroleuca subsp. vivida T. S. Ross 1994-5-31 7966 Los Angeles Pacifico Mountain: ca. 530 m. due W of the summit of 7124 ft. A low saddle-like area, functionally the head of Santiago Canyon. 2006 Comment
  SEINET3245863  Gilia splendens R. G. Swinney 2009-1 10936 Los Angeles Transverse Range; San Gabriel Mtns.: Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SBBG18898  Glyptopleura marginata F. E. Clements 1918-5-26 Los Angeles Antelope Valley Comment
  CAS-BOT-BC303878  Gnaphalium Joseph Andorfer Ewan 1934-8-5 8462 Los Angeles Vincent Gulch, off Prairie Fork 1737 Comment
  SEINET11849332  Gnaphalium beneolens E. A. Purer 1933-1 5595 Los Angeles El Segundo Comment
  RSA628552  Gnaphalium canescens subsp. thermale L. C. Wheeler 1967-8-24 10503 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2042 Comment
  RSA177875  Gnaphalium chilense R. F. Thorne, P. Everett 1965-5-10 34429 a Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  CAS-BOT-BC110214  Grayia spinosa Timothy S. Ross; Steve Boyd 1991-3-23 4259 Los Angeles Lovejoy Buttes, on the Mojave Desert. Northeast portion of the main buttes, +- west of Lovejoy Springs (destroyed by development). 941 Comment
  SD136017  Grindelia camporum Meredith A. Lane 1986-9-6 3094 Los Angeles East of intersection of California State Highway 138 and California State Highway 14; intersection of Avenue D and Sierra Highway. 609 Comment
  UCR138490  Grindelia camporum var. camporum L. C. Wheeler 1976-8-4 s.n. Los Angeles Dominguez Hills: Near Wilmington and Victoria Street 49 Comment
  UC1536929  Guillenia lasiophylla Gordon H. True Jr. 1935-3-5 44 Los Angeles 4 mi s Palmdale; Head of Mint Canyon 914 Comment
  UCR103761  Gutierrezia microcephala David Charlton, Robb Fishman 1990-8-30 3930 Los Angeles Western Mojave Desert, Palmdale, corner of Ave 'R' and 30th Street East, c. 1 mile south of Hwy 138 808 Comment
  RSA0112650  Hainardia cylindrica Steven A. Junak 1999-5-20 SCa- 953 Los Angeles Santa Catalina Island. Cottonwood-Black Jack Road, plant stop. 305 Comment
  UC166870  Harpagonella palmeri George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 540 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC308532  Hazardia cana Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4308 Los Angeles E side of island near Malo Point, first cyn S of Bryce Cyn., San Clemente Island Comment
  RSA640647  Hazardia cana Steven A. Junak 1996-10-1 SCI- 693 Los Angeles San Clemente Island: middle portion of Horse Canyon, 1.2 miles SW of Thirst Peak. 372 Comment
  SDSU19670  Hazardia cana Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2199 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.5 miles north of China Point. 183 Comment
  LA203733  Hazardia squarrosa var. grindelioides Louis C. Wheeler; 1931-9-25 159 Los Angeles Eagle Rock 274 Comment
  RSA0094089  Hazardia squarrosa var. grindelioides Richard G. Swinney 2011-11-3 15996 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA662177  Helianthus annuus subsp. lenticularis H. Christopher Gubler 1981-5-12 14 Los Angeles Interstate 10 W 1 mile from junction ca. Hwy 57. Alongside freeway chaparral. Comment
  CDA6537  Helianthus ciliaris Garrettson 1915-1 47 Los Angeles Montebello Hills District. 0 Comment
  JEPS30479  Helianthus gracilentus Henry J. Thompson 1959-5-2 1977 Los Angeles Yerba Buena Road 1.2 mi w of junction with Mulholland Highway; Santa Monica Mountains 609 Comment
  UC557749  Heliotropium curassavicum Nell Murbarger 1936-5-1 205 Los Angeles San Clemente Isl. Comment
  RSA0048391  Heliotropium curassavicum subsp. oculatum A. Lee Haines 1964-5-24 s.n. Los Angeles Elizabeth Canyon, Angeles National Forest. 640 Comment
  RSA4799  Hemizonia australis James Snow 1932-1 s.n. Los Angeles Plants of the Bryant Ranch, Near Long Beach. Station 1, Plant #2 Comment
  RSA604598  Hemizonia clementina L. C. Wheeler 1962-5-20 8085 Los Angeles Catalina Island: Isthmus Station Comment
  POM360255  Hemizonia fasciculata F. R. Fosberg 1931-5-21 4930 Los Angeles Parsons landing, Santa Catalina Island, 20 Comment
  RSA515096  Hemizonia fasciculata Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 795 -12 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  SBBG101133  Herniaria hirsuta var. cinerea T. Ross, E. Kellogg 1992-4-11 6116 Los Angeles ridge between W fork of China Cyn and small lateral draw that meets it at 850 ft; 100 deg e, 490 m distant from 1448' Benchmark 384 Comment
  RSA0055752  Hesperoyucca whipplei R. G. Swinney 2010-5-19 12807 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., 0.8 miles due west of, Mt. Emma Rd. 1335 Comment
  UCR281411  Hesperoyucca whipplei R. G. Swinney 2014-5-19 16567 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  CAS-BOT-BC143695  Heteromeles arbutifolia E. R. Johnson 1930-1-30 1651 Los Angeles Upper Avalon Canyon, Catalina Island Comment
  RSA725786  Heteromeles arbutifolia A. C. Sanders, Mark A. Elvin 2002-6-18 25128 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  SBBG17070  Heteromeles arbutifolia M. Vincent 1962-7-10 280 Los Angeles Cold Cyn just off Mulholland Highway Comment
  SDSU14341  Heteromeles arbutifolia John Viggiano 2003-4-3 27 Los Angeles South Hills Park, Glendora. 1/6 mile south from restroom at park, along trail. 244 Comment
  UCR124403  Heteromeles arbutifolia var. macrocarpa B. C. Templeton 1968-2-25 11397 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  RSA0074519  Heterotheca fastigiata Anstruther Davidson 1441 Los Angeles Rock Creek Comment
  RSA0074536  Heterotheca fastigiata Joseph A. Ewan 1930-12-7 3472 Los Angeles Clam Shell Canyon above Monrovia. Comment
  RSA0074080  Heterotheca grandiflora Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8897 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR100618  Heterotheca grandiflora B. G. Pitzer 1996-5-5 2854 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  IRVC28664  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25102 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-BC310852  Heterotheca sessiliflora subsp. fastigiata LeRoy Abrams 1902-7-5 2653 Los Angeles Azusa Comment
  CAS-BOT-BC317340  Heuchera elegans LeRoy Abrams 1902-7-1 1559 Los Angeles Near Martin's Camp, Mt. Wilson, by the station. Comment
  CAS-BOT-BC317341  Heuchera elegans W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe Comment
  RSA748486  Hieracium albiflorum Orlando Mistretta 1992-7-6 638 Los Angeles From confluence of Cooper and Buckhorn Canyons, up +/- upstream to falls of Buckhorn Creek, near Campground. Comment
  SEINET8044065 Image available Hieracium argutum R. G. Swinney 2010-1 13454 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the campe and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  CAS-BOT-BC319774  Hieracium argutum A. J. McC 1892-9-1 115 Los Angeles Near Pasadena Comment
  RSA653770  Hirschfeldia incana J. Bogdanoff-Lord 1989-5-12 9 Los Angeles Angeles National Forest; 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  UC1126856  Hirschfeldia incana Jerome S. Horton 1937-6-14 462 Los Angeles San Dimas Canyon Wash 365 Comment
  RSA592187  Hirschfeldia incana L. C. Wheeler 1967-3-3 9171 Los Angeles Sunset Ridge, west of Chaney Trail. Comment
  POM222220  Hordeum intercedens L. C. Wheeler 1936-4-12 4089 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  SBBG113058  Hordeum intercedens S. A. Junak 1998-5-1 SCa 596 Los Angeles small rise just NE of Airport Rd, just S of ridge with Whitney's Pk 426 Comment
  RSA0087100  Hordeum intercedens Steven A. Junak 2001-5-4 SCa- 1487 Los Angeles W end of island, S of Parson's Landing. 109 Comment
  LA33405  Hordeum murinum subsp. glaucum Peter H. Raven; Henry J. Thompson 1959-5-5 14124 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  UCR258964  Hordeum murinum subsp. leporinum R. G. Swinney 2010-2-27 11758 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  CAS-BOT-BC532299  Horkelia cuneata var. puberula C. F. Baker 1904-4-20 4760 Los Angeles Pacific Coast, Claremont Comment
  CAS-BOT-BC311968  Hulsea heterochroma Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  RSA0103787  Hulsea vestita subsp. gabrielensis R. G. Swinney 2011-6-14 15116 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA350802  Hutchinsonia Anstruther Davidson 1893-5-12 s.n. Los Angeles Del Sur. Comment
  UC1052926  Hydrocotyle moschata Peter H. Raven 1956-6-17 9402 Los Angeles Westwood; Los Angeles Comment
  SEINET7047936  Hymenoclea salsola Steven R. Hill, Kate Kramer 2001-4-22 33393 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  RSA458213  Hypericum androsaemum Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA588897  Hypochaeris glabra Timothy S. Ross, S. D. Boyd 1990-5-15 2545 Los Angeles Ridgetop between Boulder Canyon drainage (on W) and Gold Canyon (on E). Gold Canyon Saddle: Tujunga Ranger District, Angeles National Forest. 902 Comment
  UCD133322  Hypochaeris glabra Jack Delaini; Ken Zekar 1974-4-30 151 Los Angeles east facing slope on west ridge of canyon. Lodi canyon, San Dimas Experimental Forest, Angeles National Forest. 822 Comment
  RSA398412  Ipomoea cairica E. S. Spalding 1925-9-19 s.n. Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  SD85066  Isocoma menziesii var. menziesii E. R. Blakley 1962-10-3 5374 Los Angeles Santa Catalina Island, banks around Wrigley Reservoir at summit of Island road 424 Comment
  UC892009  Isocoma menziesii var. menziesii Carl B. Wolf 1932-10-4 4223 Los Angeles about 1/4 mi from Avalon (along road to Pebbly Beach); Santa Catalina Island 7 Comment
  RSA239450  Isocoma menziesii var. sedoides E. R. Blakley 1961-9-23 4738 Los Angeles S Shore of Catalina Harbor E of Ballast Point, Santa Catalina Island 2 Comment
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Jul 7 2011
  POM359490  Isocoma menziesii var. vernonioides F. R. Fosberg 1931-9-16 5684 Los Angeles Baldwin Hills. 50 Comment
  POM359498  Isocoma menziesii var. vernonioides H. L. Bauer 634 Los Angeles Topanga Canyon. Comment
  POM361283  Isocoma menziesii var. vernonioides B. C. Templeton 1934-10-13 4808 Los Angeles Los Angeles River Comment
  UC1118866  Isocoma menziesii var. vernonioides F. H. Raymond 1930-1-6 15 Los Angeles Escondido Canyon Triunfo Pass Quadrangle 335 Comment
  LA211270  Isolepis cernua Arthur C. Gibson; Tarja Sagar, Tony Valois 2007-9-6 5175 Los Angeles SANTA MONICA MOUNTAINS, Leo Carrillo State Beach Comment
  SEINET12289725  Jasminum W. F. Wright 2342 Los Angeles Elysian Park, Los Angeles Comment
  RSA401015  Juglans californica N. C. Cooper 1942-6-3 1681 Los Angeles 31st. St. and Jefferson. Los Angeles Comment
  UCR210052  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37170 Los Angeles San Gabriel Valley, Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  RSA0011165  Juglans californica var. californica Wesley O. Griesel 1986-4-14 s.n. Los Angeles Las Pinetos Spring 793 Comment
  RSA527687  Juglans regia Tim S. Ross, A. R. Ross 1991-6-3 5542 Los Angeles Elephant Hill, W Pomona 287 Comment
  IRVC29644  Juncus acutus subsp. leopoldii A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26216 Los Angeles Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch Western San Gabriel Mtns. 351 Comment
  RSA368104  Juncus acutus subsp. leopoldii N. C. Cooper 1915-4-29 1915 Los Angeles Little Harbor, Santa Catalina Island. Comment
  RSA777876  Juncus balticus R. G. Swinney 2009-6-8 11100 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG13305  Juncus bufonius M. A. Piehl 1962-6-10 62410 Los Angeles Thirst 304 Comment
  UCR207990  Juncus bufonius F. R. Fosberg 1931-5-4 S- 4751 Los Angeles Channel Islands, Santa Catalina Island; below second bridge below Eagles Nest 140 Comment
  RSA601153  Juncus bufonius var. occidentalis L. C. Wheeler 1966-9-6 8863 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  RSA730314  Juncus covillei R. G. Swinney 1998-9-4 6907 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  UCR271539  Juncus ensifolius R. G. Swinney 2011-10-13 15802 A Los Angeles San Gabriel Mountains, Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  SBBG127067  Juncus macrophyllus A. Parikh, N. Gale 2011-6-13 3460 Los Angeles N of Aliso Cyn, just W of Angeles Forest Hwy, 1.2 km N of Aliso Cyn Rd; San Gabriel Mtns 1195 Comment
  JEPS63880  Juncus mexicanus Frank W. Peirson 1920-9-17 2287 Los Angeles San Antonio Canyon San Gabriel Mountains Comment
  RSA368237  Juncus mexicanus F. R. Fosberg 1930-7-3 S- 3110 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UC1595310  Juncus mexicanus Tim Ross, Steve Boyd 1990-6-18 3475 Los Angeles northerly draw draining to Jackson Lake (San Gabriel Mountains, Camp Verdugo Pines and vicinity); San Gabriel Mountains 1877 Comment
  RSA600365  Juncus rugulosus Steve Boyd, Lauren Raz 1997-5-28 9873 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
  RSA764409  Juncus rugulosus Justin M. Wood 2009-8-18 1258 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA191159  Juncus rugulosus Robert F. Thorne, M. Z. Thorne 1967-7-19 37159 -A Los Angeles San Gabriel Mountains. 1981 Comment
  RSA368078  Juncus rugulosus Anstruther Davidson 1923-9-1 s.n. Los Angeles [Los Angeles] River at Griffith Park. Comment
  RSA587169  Juncus rugulosus Orlando Mistretta 1995-10-2 1934 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  RSA368070  Juncus xiphioides B. C. Templeton 1927-8-19 s.n. Los Angeles Arroyo Seco Canyon, Angeles Nat l. Forest. Comment
  CAS-BOT-BC80901  Juniperus H. E. McMinn 1926-7-22 1793 Los Angeles Trail to San Antonio Peak from Camp Baldy, Bear Flat Trail Comment
  CAS-BOT-BC81009  Juniperus californica Louis C. Wheeler 1931-11-20 363 Los Angeles San Gabriel Wash 152 Comment
  SBBG387  Juniperus californica J. M. Tucker 1946-10-18 1471 Los Angeles vicinity of Hwy 99, 3.9 mi S of Gorman Comment
  UCR4366  Juniperus californica Frank C. Vasek 1964-5-27 640527- 06 Los Angeles Western Mojave Desert, Antelope Valley, between Gorman & Lancaster Comment
  RSA430465  Juniperus communis A. C. Sanders 1987-7-22 7158 Los Angeles El Segundo Dunes, immediatly W of L.A. International Airport and Pershing Drive, E of Vista Del Mar Boulevard. 30 Comment
  UCR181124  Juniperus occidentalis subsp. australis R. G. Swinney 1997-4-25 5496 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  CDA28526  Kallstroemia Henson 1935-1 Los Angeles Near Los Angeles. 0 Comment
  UCR78115  Keckiella breviflora Wandalee Thompson 1964-6-16 49 Los Angeles San Gabriel Mtns., Liebre Mountains, Pine Canyon Road, N-2, near foot of Liebre Mtn. c. 10 mi. west of Lake Elizabeth 1128 Comment
  NY786829  Keckiella breviflora var. breviflora L. J. Xantus de Vesey 1857-1 62 Los Angeles Fort Tejon, and vicinity Comment
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Feb 2 2013
  RSA177829  Keckiella cordifolia Robert F. Thorne, Percy C. Everett 1965-5-10 34427 Los Angeles Cape Canyon, Santa Catalina Island. 290 Comment
  UCR174644  Keckiella cordifolia Jennifer H. Jones, Jay H. Jones 2006-6-4 380 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Webb Canyon Road 457 Comment
  POM308422A  Keckiella ternata subsp. ternata Henry J. Ramsey, Henry J. Ramsey 1937-9-2 3098 Los Angeles Ladybug Canyon, Angeles Crest Highway. Comment
  POM122346  Kochia californica Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster. Comment
  UC990918  Kochia californica D. F. Howe 1948-5-3 Los Angeles 3 mi. n. Lancaster 609 Comment
  UCR2498  Koeleria macrantha George B. Grant 1906-6-16 s.n. Los Angeles San Gabriel Mtns, Summit of Mt. Wilson 1829 Comment
  UCR272627  Koeleria macrantha R. G. Swinney 2011-6-7 15053 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
  RSA182244  Krascheninnikovia lanata James Henrickson 1965-4-22 1912 Los Angeles Near Hwy 138, 2 miles NW of County line; ca. 2 miles SWW of Victorville. 1067 Comment
  SD231280  Krascheninnikovia lanata Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 119 Los Angeles Transverse Ranges; San Gabriel Mountains region: North side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  CAS-BOT-BC340396  Lactuca L. R. Abrams 1915-9-5 5482 Los Angeles Alhambra Comment
  RSA603809  Lactuca sativa L. C. Wheeler 1933-6-24 1876 Los Angeles Sepulveda Blvd. at Los Angeles River, San Fernando Valley 198 Comment
  POM158108  Lactuca serriola L. R. Abrams 1902-8-18 2956 Los Angeles Ballona Creek, near Mesmer Comment
  UCR258495  Lactuca serriola R. G. Swinney 2010-6-23 13316 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UC1595409  Lactuca serriola Tim Ross and Annette H. Ross 1991-7-29 5701 Los Angeles Elephant Hill San Dimas USGS 7.5' Quad, W Pomona, Puente Hills (n-most point in Puente Hills, e and ne slopes of e summit area) 304 Comment
  SEINET10631850  Lagerstroemia speciosa Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2609 Los Angeles City of San Gabriel. Mitsuwa-Yaohan Market, 515 W. Las Tunas. Comment
  UCR238625  Lagophylla ramosissima Anuja Parikh, Nathan Gale 2010-5-12 3160 Los Angeles Western Mojave Desert, Antelope Valley, 3.9 km south of Hwy 138, 0.2 km west of 120th St. West, under power transmission lines 783 Comment
  CATA762  Lamarckia aurea Mark L. Hoefs 1991-5-28 1300 Los Angeles Santa Catalina Island: At Black Jack Campground 490 Comment
  RSA526477  Lamarckia aurea Timothy S. Ross 1991-3-24 4317 Los Angeles Whittier Hills (Puente Hills, pro parte); Between Sycamnore and Turnbull canyons 361 Comment
  UCR216744  Lamarckia aurea R. G. Swinney 2009-2-20 10016 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCSB41985  Lamarckia aurea Corlett, David 1979-4-29 Los Angeles End of Trancas Canyon Road 91 Comment
  RSA0060474  Lantana montevidensis R. G. Swinney 2010-8-16 13539 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  CAS-BOT-BC354216  Lasthenia coronaria L. R. Abrams 1901-4-1 1388 Los Angeles Monte Vista Comment
  RSA396114  Lasthenia glabrata subsp. coulteri C. B. Wolf 1935-3-24 6295 Los Angeles 1 mile north of Buena Park (valley to w of w coyote hills)., [Specimen is 0.1 km W of the Orange County line in L.A. County. Ref; Mr. Fred Roberts and Tom Chester] 53 Comment
  RSA600114  Lasthenia gracilis Steve Boyd, Lauren Raz 1997-3-26 9341 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  SBBG96844  Lasthenia gracilis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4220 Los Angeles lower half of China Cyn Comment
  SBBG98542  Lasthenia gracilis T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5331 Los Angeles between Box and Horse Cyns 484 Comment
  UCR272867  Lasthenia gracilis L. S. Rose 1968-4-5 68020 Los Angeles Western Transverse Range, Newhall Ranch 366 Comment
  POM361505  Lasthenia gracilis Ora M. Clark 1929-3-29 1803 Los Angeles N. W. Saugus Comment
  UC1587158  Lathyrus latifolius Tim Ross 1991-5-21 5406 Los Angeles e fork of Box Canyon, near its junction with the westerly fork San Clemente Island, Box Canyon 451 Comment
  SFV1825  Lathyrus vestitus K. A. Wilson 1961-2-20 867 Los Angeles San Gabriel Mountains Little Tujunga Canyon. Comment
  RSA592367  Lathyrus vestitus subsp. alefeldii Mark Hoefs 1974-4-30 435 Los Angeles Santa Catalina Island; wooded hillside by trail in Hermit's Gulch 122 Comment
  RSA405700  Lathyrus vestitus subsp. laetiflorus Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  RSA11605  Lathyrus vestitus subsp. laevicarpus C. Epling, R. Fowler, K. Kneen 1933-04 s.n. Los Angeles Santa Monica Mtns, Boney Ridge. Comment
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Nov 11 2014
  RSA651393  Lathyrus vestitus subsp. vestitus R. Ponce de Leon 1954-5-10 s.n. Los Angeles on Glendora Mt. Road, 20 miles above Sierra Madre Ave. Glendora. 304 Comment
  LA200453  Lathyrus vestitus var. vestitus Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  RSA702156  Lathyrus vestitus var. vestitus Michael Honer 2004-6-22 1987 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  SD90439  Lathyrus vestitus var. vestitus Donald R. Bissing 1973-3-29 28 Los Angeles San Gabriel Mountains, Evey Canyon, on NE canyon wall in open grassy area, 1 mile from mouthof canyon 975 Comment
  RSA434060  Lavatera assurgentiflora subsp. assurgentiflora H. L. Bauer 1931-7-19 s.n. Los Angeles Sawtelle. Comment
  CAS-BOT-BC321514  Layia glandulosa Le Roy Abrams 1901-4-6 1402 Los Angeles Big Tujunga Wash Comment
  CAS-BOT-BC321526  Layia glandulosa Louis C. Wheeler 1932-4-9 567 Los Angeles 4 mi W of Fairmont, Mohave Desert 914 Comment
  POM361655  Layia glandulosa Anstruther Davidson 1895-05 2024 Los Angeles Manzana. Comment
  RSA702959  Layia glandulosa Scott D. White, Michael Honer 2004-3-30 9971 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  SJSU2496  Layia glandulosa H. L. Buckalew 1962-4-18 Los Angeles between Vincent & Little Rock Comment
  UC30630  Layia glandulosa J. Burtt Davy May 9 1896-May 24 1896 2558 Los Angeles Antelope Valley, Manzana Comment
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Apr 24 2007
  POM30332  Layia glandulosa Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  SBBG31091  Layia platyglossa R. F. Thorne 1966-4-6 35928 Los Angeles ca. 1 mi W of Empire Landing 76 Comment
  RSA0082761  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine. 1005 Comment
  UCR133742  Layia platyglossa subsp. campestris F. R. Fosberg 1931-5-2 S- 4735 Los Angeles Channel Islands, Bullrush Ridge, Santa Catalina Island 250 Comment
  SBBG12652  Lepechinia fragrans E. R. Blakley 1962-10-5 5432 Los Angeles NE side of Black Jack Mtn at the jct of Island Rd and White's Landing Rd 365 Comment
  UCR126560  Lepidium draba A. C. Sanders, Andy Thomson 2003-4-15 26019 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park 316 Comment
  CAS-BOT-BC89303  Lepidium flavum Ira L. Wiggins 1966-5-15 20595 Los Angeles About 2 miles north of Theodore Payne Wildflower Sanctuary, northeast of Pearlblossom. Mohave Desert. Comment
  CAS-BOT-BC89425  Lepidium fremontii Roxana S. Ferris 1918-6-12 908 Los Angeles Vacant lot, Lancaster. Comment
  LA200913  Lepidium latipes var. latipes Carl Wishner; 1989-4-12 1579 1 Los Angeles Simi Hills, Cheeseboro Canyon, 0.125 mi NE of US 101 at Cheeseboro Canyon Rd 289 Comment
  CAS-BOT-BC12470  Lepidium nitidum Dr. Barton W. Evermann 1918-3-1 s.n. Los Angeles Santa Barbara Island. Comment
  CAS-BOT-BC12478  Lepidium nitidum Florence Youngberg 1937-4-1 s.n. Los Angeles Puddingstone, near San Dimas. Comment
  RSA527719  Lepidium nitidum Timothy S. Ross, Annette Ross 1991-3-7 4142 Los Angeles Elephant Hill, western Pomona. 230 Comment
  LA210066  Lepidium nitidum var. nitidum W. O. Griesel; 1936-4-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SBBG113144  Lepidium strictum S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 388 Los Angeles Airport-in-The-Sky, behind control tower 487 Comment
  UCR255848  Lepidium virginicum R. G. Swinney 2010-5-4 12483 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  JEPS53771  Lepidium virginicum Frank W. Peirson 1921-3-3 2357 Los Angeles hills w Arroyo Seco; San Gabriel Mountians 426 Comment
  RSA429656  Lepidium virginicum var. pubescens Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  SBBG108907  Lepidium virginicum var. robinsonii S. A. Junak 1997-3-11 SCl 745 Los Angeles Sibara Ridge overlooking Pyramid Cove, ca. 0.3 mi S of Triangulation Pt Guds 158 Comment
  CDA8160  Lepidospartum squamatum J. B. Cook, J. Mann 1963-10-3 Los Angeles 1634 Houston Court, Claremont. 0 Comment
  UC220221  Lepidospartum squamatum Katharine Brandegee Los Angeles Ravenasa Comment
  UCR259577  Lepidospartum squamatum R. G. Swinney 2010-4-13 12208 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  CHSC109702  Leptochloa fusca subsp. uninervia Julie A. Greene 1997-9-12 Los Angeles Long Beach Area: Intersection of Pacific Coast Highway/Studebaker Road, near Long Beach Marina. 5 Comment
  UCR223198  Leptodactylon pungens R. G. Swinney 2009-7-22 11305 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  SEINET6070056  Leptosiphon androsaceus Louis C. Wheeler 1967-5-15 9589 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SBBG131618  Leptosiphon bicolor S. A. Junak 1999-4-24 SCa 874 Los Angeles E of Empire Landing Rd 182 Comment
  RSA311314  Leptosiphon breviculus R. F. Thorne 1973-5-11 43472 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
  RSA690932  Leptosiphon breviculus J. Mark Porter, Lauren Machen 2004-5-2 14090 Los Angeles San Gabriel Mountains, northern foothills; ca. 0.25 mi. E of Largo Vista Road, several miles S of the California Aqueduct. 1360 Comment
  POM308883  Leptosiphon liniflorus Anonymous 1940-6-24 617 Los Angeles Along Camp 10 road. Angeles Forest near San Dimas Experimental Forest. Comment
  RSA0081012  Leptosiphon parviflorus LeRoy Gross 1999-4-29 139 Los Angeles Santa Susana Mountains, East End: Rice Canyon, north on interstate 5, exit Calgrove Ave. turn left to the old road, City of Newhall. 427 Comment
  CHSC95794  Leptosyne bigelovii LeRoy Gross 2005-5-3 2204 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  OBI49571  Leptosyne gigantea A. C. Sanders 1988-2-3 7594 Los Angeles El Segundo Dunes, immed W of LA international airport & Pershing Dr, E of Vista Del Mar Blvd 30 Comment
  UCR146493  Lessingia filaginifolia Scott D. White 2004-7-27 10631 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
  RSA746638  Lessingia glandulifera var. glandulifera R. G. Swinney 2008-6-4 8943 Los Angeles Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  UCR149898  Lessingia glandulifera var. glandulifera R. G. Swinney 1999-6-18 7319 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  POM307006  Lessingia glandulifera var. glandulifera Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1917 Los Angeles San Gabriel Wash. Comment
  UC729517  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-9-15 4078 Los Angeles 2.5 mi above Saugus Glenwood's Cafe on Highway; Mint Canyon 457 Comment
  CAS-BOT-BC444441  Lewisia rediviva var. minor I. M. Johnston 1917-6-20 1493 Los Angeles San Antonio Mountains. Baldy Lookout of U.S.F.S. 1981 Comment
  POM365322  Leymus condensatus Anstruther Davidson 1917-05 3242 Los Angeles Los Angeles. Comment
  RSA126647  Leymus condensatus R. St John 1933-2-10 331 Los Angeles Cold Creek. 549 Comment
  RSA701594  Lilium humboldtii subsp. ocellatum Naomi Fraga, LeRoy Gross, Sarah J. De Groot, Paul Morton 2004-6-3 1237 Los Angeles In canyon bottom of Evey Canyon. 793 Comment
  RSA0057900  Limosella acaulis Richard G. Swinney 2010-9-7 13704 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UC421659  Linanthus aureus John Thomas Howell 1928-5-25 3822 Los Angeles Chandler's Comment
  UC908628  Linanthus breviculus Herbert L. Mason 1934-3-30 8036 Los Angeles Rock Creek, Mohave Desert slope of San Gabriel Mountains San Gabriel Mountains Comment
  UCR190369  Linanthus breviculus R. G. Swinney, Cody Clarke 2001-6-20 8004 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  CAS-BOT-BC226745  Linanthus californicus Roxana S. Ferris 1941-3-9 10322 Los Angeles Pico Canyon, Santa Susana Mountains, about 2 miles west of U. S. Highway #99 Comment
  HSC17057  Linanthus californicus David Porter 1965-4-22 Los Angeles 1/2 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
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May 21 2014
  RSA468485  Linanthus californicus Robert M. Perkins 1936-4-17 156 Los Angeles Santa Monica Mts. Along the road. Comment
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Oct 8 2015
  RSA482002  Linanthus californicus Richard Noyes 1988-5-12 563 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  RSA468449  Linanthus californicus subsp. glandulosus Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  LA52350  Linanthus dianthiflorus O. A. Plunkett; 1926-4-22 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SBBG16419  Linanthus parryae D. Myrick 1962-4-10 497 Los Angeles Hwy 6, 2 mi E of Palmdale 822 Comment
  RSA164863  Linanthus pungens Wesley O. Griesel 1963-8-1 865 Los Angeles Slopes of Mt. San Antonio 2988 Comment
  CAS-BOT-BC426255  Lithophragma affine I. Johnston 1917-5-6 1927 Los Angeles Evey Canon, north of Claremont 762 Comment
  CAS-BOT-BC426270  Lithophragma affine John I. Carlson 1918-4-24 118 Los Angeles Griffith Park Comment
  CAS-BOT-BC426271  Lithophragma affine S. B. Parish 1919-4-19 19263 Los Angeles Lone Hill, near San Dinias Comment
  UCR129370  Lobelia dunnii var. serrata Ian Swift 2001-7-2 237 Los Angeles Transverse Ranges, Liebre Mtns. region, Middle Fish Canyon, 1 mile north of Cienega Campground 793 Comment
  RSA598809  Lobularia maritima R. G. Swinney 1989-11-24 1474 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 442 Comment
  POM320497  Lobularia maritima Greg Wright 1971-6-26 205 Los Angeles Live Oak Canyon Dam drainage basin, west of Live Oak Canyon Road, Northwest of Claremont. Pacific slope drainage area. 396 Comment
  UCR220205  Loeflingia squarrosa R. G. Swinney 2009-4-3 10278 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  RSA562624A  Loeflingia squarrosa subsp. artemisiarum D. Charlton 1991-5-18 5182 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  JEPS69139  Loeseliastrum matthewsii Frank W. Peirson 1921-5-19 952 Los Angeles Little Rock Creek San Gabriel Mts., Little Rock Creek 1036 Comment
  RSA337418  Loeseliastrum matthewsii R. F. Thorne 1973-5-11 43533 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  LA88398  Logfia filaginoides O. H. Kappler; 1941-5-9 267 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SD197680  Logfia filaginoides R. G. Swinney 2008-3-26 8564 Los Angeles San Gabriel Mountains: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Canyon. 353 Comment
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Apr 29 2011
  UCR125169  Lolium perenne A. C. Sanders, Mark Elvin 2002-6-25 25280 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UC1605267  Lomatium dissectum var. multifidum Tim Ross and Steve Boyd 1994-5-4 7676 Los Angeles Dogwood Canyon - narrow canyon draining n.e. to Burns Canyon from the n.e. summit of Grass Mt.; Liebre Mts., Lake Hughes Quad., Dogwood Canyon 1267 Comment
  RSA747148  Lomatium mohavense R. G. Swinney 2008-5-8 8813 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR229169  Lomatium mohavense Dan S. Cooper 2011-5-5 511- 60 A Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  RSA771580  Lomatium nevadense R. G. Swinney 2009-5-6 10663 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  CAS-BOT-BC234872  Lonicera subspicata var. denudata V. Bailey 1907-10-29 s.n. Los Angeles Santa Monica Mts., (n. slope) Comment
  RSA534013  Lotus argophyllus subsp. ornithopus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5104 Los Angeles San Clemente Island: North Head; WNW of the new landing field 15 Comment
  UCR159823  Lotus grandiflorus var. grandiflorus L. C. Wheeler 1968-4-26 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, head of Rattlesnake Canyon at Santa Clara Divide Road 1410 Comment
  POM7441  Lotus heermannii var. heermannii C. F. Baker 1903-8-2 7478 Los Angeles San Gabriel Mountains: San Antonio Canyon near Claremont. Comment
  UCR270121  Lotus heermannii var. heermannii R. G. Swinney 2010-9-9 13801 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
  PASA1099  Lotus micranthus Frank W. Peirson 1919-5-18 436 Los Angeles Monrovia Canyon, San Gabriel Mts. 426 Comment
  UC15644  Lotus micranthus W. H. Brewer Feb 1861 205 Los Angeles Santa Susanna Mts. Comment
  RSA773982  Lotus nevadensis R. G. Swinney 2009-7-22 11319 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  UC56569  Lotus oblongifolius var. oblongifolius Ernest Braunton May 1902 329 Los Angeles Rivera Comment
  RSA3496  Lotus salsuginosus C. B. Wolf 1932-5-9 3439 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 8 Comment
  SFV1844  Lotus salsuginosus M. L. Vincent 1962-4-6 164 Los Angeles Santa Monica Mountain Old Topanga Canyon Road, 3 miles south of Ventura Blvd. Hillside. 400 Comment
  UCR155116  Lotus salsuginosus A. C. Sanders 2005-5-5 29909 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  RSA592695  Lotus salsuginosus L. C. Wheeler 1967-5-8 9325 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 396 Comment
  CDA12033  Lotus scoparius A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Eaton Canyon, immediately to the S below Mt. Wilson. Comment
  UC864884  Lotus scoparius Ira W. Clokey, B. Templeton May 1929 4480 Los Angeles Mandeville Cnayon Santa Monica Mountains Comment
  UCR259669  Lotus scoparius subsp. scoparius R. G. Swinney 2010-4-1 12146 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
  JEPS55865  Lotus strigosus A. M. Ottley 1920-5-16 691 Los Angeles Tujunga Canyon San Gabriel Mts. Comment
  UCR138542  Lotus strigosus L. C. Wheeler 1961-6-13 7885 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR270858  Lotus strigosus R. G. Swinney 2011-5-24 14820 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA529307  Lotus strigosus T. S. Ross 1991-4-8 4453 Los Angeles Elephant Hill: western Pomona 229 Comment
  RSA406265  Lotus unifoliolatus H. C. Ackley 1917-05 s.n. Los Angeles Mulholland Drive. Comment
  CAS-BOT-BC201202  Lupinus Timothy S. Ross; Darin Banks 1994-4-12 7497 Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon; ca 520 m SSE of where Drinkwater Canyon joins S. Fr. Canyon 560 Comment
  SEINET10488427  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 8292(1) Comment
  CATA82  Lupinus albifrons var. albifrons Peter Henrikson 1987-4-14 63 Los Angeles Santa Catalina Island: Avalon Canyon above baseball diamond, west aspect 76 Comment
  UCR51008  Lupinus benthamii A. C. Sanders, E. J. Lawlor 1988-4-3 7749 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  HSC101289  Lupinus bicolor R. G. Swinney 2009-4-28 10505 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA0010529  Lupinus bicolor LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6794 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA562570  Lupinus bicolor Steve Boyd 1993-4-22 7980 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  SBBG47501  Lupinus bicolor M. B. Dunkle 1928-4-10 1835 Los Angeles Johnson's Landing Cyn Comment
  UCR203181  Lupinus bicolor R. G. Swinney 2005-5-21 8267 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  OBI12937  Lupinus bicolor David Dunn 1941-3-29 938 Los Angeles In vacant lot; One mi E of Pomona Comment
  SD51703  Lupinus bicolor David Dunn 1941-3-29 938 Los Angeles 1.0 mile east of Pomona. Comment
  CAS-BOT-BC187880  Lupinus chamissonis G. L. Moxley 1921-6-22 1007 Los Angeles About a mile S of Playa del Rey Comment
  UC565974  Lupinus concinnus A. D. Gifford 1935-3-31 536 Los Angeles 4 1/2 mi nw Redrock Mountain; Tejon Quadrangle Comment
  UCR204260  Lupinus elatus Naomi Fraga, Elizabeth A. Kempton 2008-7-2 2303 Los Angeles San Gabriel Mountains, north slope of Mount Islip from Little Jimmy Campground to the summit 2500 Comment
  UCD168361  Lupinus excubitus J. W. Barry 1980-4-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  RSA729969  Lupinus excubitus var. austromontanus R. G. Swinney 1999-5-22 7207 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  RSA757056  Lupinus excubitus var. austromontanus R. G. Swinney 2008-6-17 9056 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  SFV1876  Lupinus excubitus var. austromontanus P. G. Kilburn 1958-6-18 839 Los Angeles San Gabriel Mountains Angeles Crest Highway near Big Pines. 0.8 miles southeast of Highway on gravel road. 2226 Comment
  UC1980242  Lupinus excubitus var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042008 Los Angeles Old Ridge Rte, after unmaintained section. Comment
  SEINET10485285  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6226 x 6454 Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  SBBG69114  Lupinus formosus R. Hoffmann 1929-5-22 Los Angeles Del Sur, Antelope Valley Comment
  SFV21018  Lupinus formosus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 699 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  RSA413639  Lupinus formosus var. formosus Geo. L. Moxley 1916-6-15 490 Los Angeles Santa Susana Mountains. Comment
  UC1928584  Lupinus formosus var. formosus Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 75 Los Angeles Transverse Ranges; San Gabriel Mountains region; Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  RSA307829  Lupinus formosus var. formosus H. J. Ramsey 1938-3-27 2773 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA498205  Lupinus hirsutissimus Albert J. Perkins 1920-2-16 s.n. Los Angeles Glendora, Little Dalton Trail Comment
  UCR271875  Lupinus hirsutissimus R. G. Swinney 2010-3-24 12061 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR281847  Lupinus hirsutissimus R. G. Swinney 2014-5-8 16434 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  POM2439  Lupinus hirsutissimus Philip A. Munz 1918-4-16 2067 Los Angeles Claremont. Comment
  SD11885  Lupinus latifolius var. parishii Victor Duran 1933-7-21 3523 Los Angeles San Gabriel Mountains, Buckhorn 1981 Comment
  LA82132  Lupinus longifolius O. H. Kappler; 1941-3-24 145 Los Angeles Santa Monica Mountains, Sepulveda Canyon, Lower end Sepulveda Canyon 152 Comment
  POM2425  Lupinus longifolius I. M. Johnston 1917-6-10 1337 Los Angeles Playa del Rey. Comment
  RSA39570  Lupinus longifolius Theodore Payne 1948-5-15 12285 Los Angeles Palos Verdes Comment
  SEINET10937117  Lupinus longifolius LeRoy R. Abrams 1902-7-10 Abrams 2505 Los Angeles Bluffs near the sea. Playa del rey. Comment
  RSA659211  Lupinus microcarpus var. densiflorus R. Riggins 1981-5-24 1233 Los Angeles Roadside bank Co. Rd. N2, 0.5 mi S Jackson Rd., 2.7 mi SE Hwy 138. 1037 Comment
  UCD168372  Lupinus microcarpus var. microcarpus 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
  SBBG3696  Lupinus sparsiflorus H. and M. Dearing 1938-5-22 1946 Los Angeles Decker Ranch Rd Comment
  UCR126755  Lupinus sparsiflorus A. C. Sanders, Andy Thomson 2003-4-15 26007 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  UCR153557  Lupinus sparsiflorus A. C. Sanders 2005-5-11 30187 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UCR230249  Lupinus sparsiflorus Dan S. Cooper 2011-4-18 411- 13 Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, Padua Park, off Padua Ave. near Claremont 559 Comment
  OBI78141  Lupinus sparsiflorus David J. Keil, Dirk R. Walters 1977-4-30 12303 Los Angeles Ridge Rte, ca 3 mi S of jctn with Los Angeles Co. Rd N-2 Comment
  POM2384  Lupinus sparsiflorus subsp. sparsiflorus C. F. Baker 1909-3-20 5248 Los Angeles Claremont. Comment
  UC865487  Lupinus succulentus F. R. Fosberg 1931-3-27 S 4414 Los Angeles Santa Catalina Island , Pebble Beach Road (Pebble Beach Road) 5 Comment
  RSA0057932  Lupinus truncatus Richard G. Swinney 2010-3-18 11992 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA294749  Lupinus truncatus Lyman Benson 1945-4-13 11668 Los Angeles Little Dalton Canyon, Glendora. Drainage area Pacific slope 365 Comment
  RSA414358  Lupinus truncatus M. B. Dunkle 1932-5-28 2960 Los Angeles Whites Landing, Santa Catalina Island. Comment
  UCR65235  Lupinus truncatus Reid Moran 1941-3-9 692 Los Angeles Channel Islands, ridge north of Middle Ranch, Santa Catalina Island. 350 Comment
  RSA414374  Lupinus truncatus F. R. Fosberg 1930-6-30 3070 Los Angeles Del Rey. 2 Comment
  UCR43351  Luzula comosa David Charlton 1986-6-15 284 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  OBI35607  Lycium brevipes Rebecca Cicoria 1981-5-18 28 Los Angeles Off Palos Verdes Dr S at Pt. Fermin, Rancho Palos Verdes Comment
  RSA680075  Lyonothamnus floribundus Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-7 310 Los Angeles San Clemente Island. Conchulagua Canyon. [Canchalagua] In canyon floor. Shelf under a 25' cliff. [Longitude should be 118 deg. instead of 116 deg.] 213 Comment
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Mar 28 2014
  UCSB2826  Lyonothamnus floribundus subsp. floribundus Muller, Cornelius 1953-5-2 Los Angeles Upper end of Swain Canyon, near ridge top, Santa Catalina Island Comment
  RSA0035881  Lythrum californicum R. G. Swinney 2009-11-9 11587 B Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA595947  Lythrum californicum Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8878 Los Angeles Liebre Mountains, southeastern end of Peace Valley in San Andreas Rift Zone, fault sag south of Highway 138 and north of the California Aqueduct, ca. 0.75 air miles west of Quail Lake. 1006 Comment
  UCR240001  Lythrum californicum R. G. Swinney 2009-11-9 11587 B Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  UCR204429  Madia elegans R. G. Swinney 2003-5-12 8194 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.25 mi. S of Big Dalton Cyn. Rd. in upper 'Dunn Canyon' drainage, 0.25 mi. NW of Big Cienega Spring, S of Coulter Pine Trail 518 Comment
  RSA94376  Madia exigua F. W. Peirson 1923-5-21 3511 Los Angeles Fish Canyon 914 Comment
  POM362175  Madia gracilis L. C. Wheeler 1932-6-12 813 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  UC1348873  Madia gracilis Robert F. Thorne 1966-4-30 36345 Los Angeles on sea bluff above beach at mouth of Gallagher's Canyon; Santa Catalina Island 7 Comment
  RSA643395  Malacothamnus davidsonii Orlando Mistretta 1992-9-16 814 Los Angeles San Gabriel Mountains: Oak Springs Trail at south trail head. 579 Comment
  POM199710  Malacothamnus fasciculatus I. W. Clokey, Bonnie C. Templeton 1929-07 4595 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UC18793  Malacothamnus fasciculatus Le Roy Abrams 1902-7-5 1558 Los Angeles Azusa Comment
  UCR125770  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25542 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  RSA434850  Malacothamnus fremontii I. M. Johnston 1917-8-22 1673 Los Angeles San Antonio Mts., Prairie Fork of the San Gabriel River 1905 Comment
  UCR194354  Malacothamnus fremontii R. G. Swinney 1998-9-4 6919 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  CAS-BOT-BC204187  Malacothamnus marrubioides Le Roy Abrams; E. A. McGregor 1908-7-5 631 Los Angeles Swartout [Swarthout] Canyon, desert slopes of the San Gabriel Mountains Comment
  UC2030083  Malacothamnus marrubioides Steve Boyd, Valerie Soza 2002-4-10 1387 Los Angeles Transverse Ranges, Liebre Mountains region: Ridge above east fork of Haskell Canyon, ridge just west of Del Sur Ridge. Approx. 2 miles NW along Coarse Gold Canyon fire road from Bouquet Canyon. Stable Fire 2001 area. Comment
  PASA321  Malacothrix clevelandii Frank W. Peirson 1919-5-21 Los Angeles Arroyo Seco, San Gabriel Mts. 685 Comment
  UCSB33232  Malacothrix glabrata Partsch, M. 1977-5-14 Los Angeles Along Palmdale Blvd. at 52nd st. east 1066 Comment
  RSA778911  Malacothrix saxatilis R. G. Swinney 2009-6-27 11283 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  RSA654328  Malacothrix saxatilis Benjamen Rangel 1992-5-17 777 -45 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  CAS-BOT-BC347916  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1946-7-26 46250 Los Angeles Malibu 6 Comment
  CAS-BOT-BC347924  Malacothrix saxatilis var. tenuifolia Louis Wheeler 1932-10-7 1424 Los Angeles U.C.L.A. Campus, W Los Angeles 137 Comment
  CAS-BOT-BC347932  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1900-8-1 s.n. Los Angeles Ballona Sand Hills Comment
  LA103200  Malacothrix saxatilis var. tenuifolia Barry A. Prigge; 1985-6-14 6422 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail below Murphy Ranch site. 597 Comment
  SD69585  Malacothrix saxatilis var. tenuifolia Robert F. Thorne 1966-9-16 36727 Los Angeles Santa Catalina Island; west facing slope between Avalon and Descanso Beach. 14 Comment
  SDSU4795  Malacothrix saxatilis var. tenuifolia D. F. Howe 1947-5-4 1573 Los Angeles Culivated ground in Mint Canyon. Comment
  RSA94954  Malacothrix saxatilis var. tenuifolia F. W. Peirson 1921-7-20 2118 Los Angeles San Gabriel River. 457 Comment
  SDSU19654  Malva assurgentiflora Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-21 2212 Los Angeles Courage Street, across from the Galley, San Clemente Island. 116 Comment
  RSA434874  Malva nicaeensis E. A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Redondo Beach. Comment
  RSA592294  Malva parviflora Louis C. Wheeler 1967-5-13 9543 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA657642  Malva parviflora Kristina Sargeant 1992-4-4 92 -5 Los Angeles Flat lot on north side of Tetley St. approx. 200 ft east of intersection of Hacienda Blvd. and Tetley St. in Hacienda Heights. Comment
  UCD116677  Malva parviflora Kenneth A. Wilson 1961-2-21 869 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  RSA239474  Malvella leprosa E. R. Blakley 1962-10-3 5378 Los Angeles Santa Catalina Island. Banks around Wrigley Reservoir at summit of island road 427 Comment
Read comments
Jan 22 2008
  JEPS42476  Marah macrocarpa Frank W. Peirson 1919-1-25 308 Los Angeles Arroyo Seco San Gabriel Mountains 365 Comment
  PASA1165  Marrubium vulgare Annetta Carter 1929-1-6 Los Angeles Arcadia, mouth of Big San. Anita Can. Comment
  RSA409836  Marrubium vulgare L. E. Hoffman 1929-5-5 s.n. Los Angeles Hermon Hills, Ave-57. Pasadena. Comment
  UCR197212  Marrubium vulgare Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 820 Los Angeles Verdugo Mountains, south side, Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, west of De Bell Municipal Golf Course 396 Comment
  OBI8151  Marrubium vulgare Lewis Meltz 1977-4-9 LM 19 Los Angeles Along rd cut of old Mt Wilson toll rd 2.5 km NE of Eaton Cyn bridge Comment
  CAS-BOT-BC67808  Marsilea vestita Peter H. Raven 1961-9-24 16748 Los Angeles Strand of Boquet Reservoir at east end. 914 Comment
  POM348031  Medicago polymorpha H. L. Bauer 1928-3-20 s.n. Los Angeles Long Beach Comment
  RSA762347  Medicago polymorpha R. G. Swinney 2009-3-10 10073 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR271919  Medicago polymorpha R. G. Swinney 2010-3-24 12048 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  POM345069  Medicago sativa F. R. Fosberg 1931-3-31 S 4421 Los Angeles Santa Catalina Island. Comment
  SDSU5049  Medicago sativa Gerald Collier 1951-4-7 3688 Los Angeles In middle of divided highway- U. S. 101 about 2 miles north of Malibu Beach. Comment
  RSA597233  Melaleuca armillaris Scott D. White 1995-4-27 2942 Los Angeles City of Malibu. Upslope from Winter Canyon, near Pepperdine University; N of Pacific Coast Highway, E of Malibu Canyon. Road, SW of Malibu Civic Center Way. 91 Comment
  CHSC95518  Melia azedarach LeRoy Gross; Valerie Soza 2003-5-15 920 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone; 3789207N, 0377280E. 366 Comment
  RSA294714  Melica imperfecta Lyman Benson 1945-6-5 11758 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
  RSA592485  Melica imperfecta Mark Hoefs, Doug Propst 1973-3-14 97 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  UCR180222  Melica imperfecta R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  CAS-BOT-BC281094  Melica stricta A. D. E. Elmer 1902-6-1 3719 Los Angeles Acton Comment
  UCR223358  Melica stricta R. G. Swinney 2009-5-20 10829 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  CATA1050  Melilotus albus Mark L. Hoefs 1995-5-10 1981 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  POM348161  Melilotus albus N. Krueger 1940-1-15 20515 Los Angeles Compton Comment
  RSA652191  Melilotus albus G. F. Orr 1953-2-21 s.n. Los Angeles In alley between Butler and Colby Aves., 50 yds. N. of Richland Ave., (LA) [Los Angeles ?] Comment
  RSA167815  Melilotus indicus Robert F. Thorne, Percy C. Everett 1964-2-7 33455 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  RSA724498  Melilotus indicus K. Dobry 1991-5-13 526 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA535330  Melilotus indicus Tim S. Ross 1991-5-20 5356 Los Angeles San Clemente Island: Un-named knoll ca 5100 feet S of Wilson Cove Settlement; gradual northerly slope 2750 NNW of the 750 BM. 218 Comment
  RSA656235  Melilotus indicus Joseph M. Keefe 1978-4-11 22631 Los Angeles Verdugo Mountains: Verdugo Park, 1601 North Verdugo Road, Glendale. 183 Comment
  SD230245  Melissa officinalis Steve Boyd 1997-7-18 10016 Los Angeles Indian Hill Mesa, Rancho Santa Ana Botanic Garden: Planting bed in North Riparian garden ca. 20 mieters north of the upper pond and 30 meters east of the Home Demonstration garden. Comment
  SBBG21468  Mentha E. R. Blakley, D. E. Breedlove 1961-9-24 1291 Los Angeles Middle Ranch Cyn, about 0.5 mi upstream from its mouth 76 Comment
  UC1121686  Mentzelia dispersa Jerome S. Horton 1939-6-1 547 Los Angeles Cucamonga, Fern Canyon Comment
  RSA578278  Mentzelia gracilenta Tim S. Ross, Steve D. Boyd 1994-5-4 7641 Los Angeles Liebre Mountains, San Francisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit 1055 Comment
  CHSC99446  Mentzelia micrantha LeRoy Gross; Michael Denslow, Bill Hogshead, Sarah Swartzentrub 2003-6-17 1042 Los Angeles Transverse Ranges: Verdugo Mountains region: South side of mountains; Brand Canyon, below the high waterfall, where the canyon forks off. Growing on cliff of canyon wall. UTM Zone 11: 3783985N 0383011E. 393 Comment
  RSA446757  Mentzelia micrantha F. R. Fosberg 1931-4-9 687 Los Angeles Divide between Hamiltons and Descanso Canyon, Santa Catalina Island 75 Comment
  RSA653778  Mentzelia micrantha J. Bogdanoff-Lord 1989-5-21 25 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  UCR82249  Mentzelia obscura J. M. Stewart 1994-4-11 830 Los Angeles Western Mojave Desert, Antelope Valley, Munz Canyon Road, near Elizabeth Lake 1098 Comment
  CAS-BOT-BC167624  Mentzelia veatchiana L. R. Abrams 1901-4-1 1202 Los Angeles Ballona Harbor Comment
  RSA727361  Mentzelia veatchiana R. G. Swinney 1998-5-16 6067 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  UC1870320  Mentzelia veatchiana LeRoy Gross 2005-4-28 2166 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into Comment
  CAS-BOT-BC167616  Mentzelia veatchiana Ira L. Wiggins; W. R. Ernst 1958-5-2 226 Los Angeles About 4 miles south of Big Rock Store, on Highway #2 Comment
  RSA756178  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-3 2264 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 69, per TRTP survey 2008) just south of state Hwy 14 in the vicinity of Soledad Pass 1002 Comment
  UCR187008  Microseris douglasii A. C. Sanders 2006-4-21 32155 Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  POM363444  Microseris lindleyi M. B. Dunkle 1939-4-6 7296 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UCR126872  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26143 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
  UCR258756  Microseris lindleyi R. G. Swinney 2010-5-25 12959 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  LA35262  Mimulus aurantiacus Mary V. Hood; 1943-4-4 43 10 k* Los Angeles SANTA MONICA MOUNTAINS, Griffith Park, below Griffith Park Observatory. Comment
  RSA714688  Mimulus aurantiacus A. C. Sanders, Mark A. Elvin 2003-6-18 26950 Los Angeles Western Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  SFV16365  Mimulus aurantiacus B. Kanno 1992-6-29 Los Angeles Santa Susana Mountains Stony Point. North end of CA-27. At top of rocky slope. 381 Comment
  UCD122223  Mimulus aurantiacus Marc Meyer 1993-4-25 28 Los Angeles Santa Susana Mts., Moonshine Cyn. Park, Porter Ranch, 2 miles north of Tampa offramp of CA Hwy 118. 400 Comment
  UCR194745  Mimulus aurantiacus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 714 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, north side; northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 518 Comment
  UCR207311  Mimulus aurantiacus Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  LA105326  Mimulus aurantiacus var. pubescens Barry A. Prigge; 1989-4-23 8440 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  POM75  Mimulus aurantiacus var. pubescens I. M. Johnston 1917-7-28 1607 Los Angeles San Antonio Mountains, San Antonio Canyon 2287 Comment
  UC314538  Mimulus aurantiacus var. pubescens Marcus E. Jones, A. M. 1926-3-16 Los Angeles w Pomona Comment
  RSA442692  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-3-24 S- 4353 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 80 Comment
  RSA596009  Mimulus brevipes Tim S. Ross, J. Mark Porter 1995-5-4 8426 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UC688889  Mimulus brevipes J. F. Ashley 1941-5-10 Los Angeles Chatsworth Lake Comment
  UCR190811  Mimulus cardinalis R. G. Swinney 1998-8-6 6698 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  UCR224016  Mimulus cardinalis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11681 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UCR163103  Mimulus floribundus Anuja Parikh, Nathan Gale 2004-6-3 2038 Los Angeles Newhall Ranch, along Santa Clara River (SCR sect. 4) between confluence of Castaic Creek and Castaic Junction 305 Comment
  UCR194076  Mimulus floribundus R. G. Swinney, Dave Larson 1999-5-29 7212 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with Wolfskill Canyon 537 Comment
  RSA442745  Mimulus guttatus M. B. Dunkle 1933-6-17 3623 Los Angeles San Antonio Canyon. San Gabriel Mountains Comment
  SFV3395  Mimulus guttatus K. A. Wilson 1962-5-12 1274 Los Angeles San Gabriel Mountains Canyon with public campgrounds leading to Devil's Punch Bowl Trail. North slope of San Gabriel Mountains. 1400 Comment
  UC1483364  Mimulus guttatus Jack Delaini 1974-4-25 137 Los Angeles at mouth Lodi Canyon (San Dimas Creek); Angeles National Forest, San Dimas Experimental Forest 426 Comment
  RSA0021969  Mimulus moschatus Duncan S. Bell, Caitlin Elam 2013-6-24 5281 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA447979  Mimulus moschatus var. sessilifolius Anstruther Davidson 1889-05 s.n. Los Angeles Glendale. Comment
  RSA777364  Mimulus palmeri Orlando Mistretta, Christine Mistretta 2010-5-19 5111 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA0006059  Mimulus traskiae Blanche Trask 1901-1 s.n. Los Angeles Catalina Island. Avalon. Comment
  CAS-BOT-BC388667  Minuartia douglasii Timothy S. Ross; Steve Boyd 1994-5-25 7913 Los Angeles Liebre Mountains. Warm Springs Mountain: ca 450 m NW of summit 1164 Comment
  SBBG69946  Minuartia douglasii R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  LA30860  Mirabilis laevis var. crassifolia Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C- 157 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA587238  Mirabilis laevis var. crassifolia Orlando Mistretta 1994-5-11 1187 Los Angeles Little Rock Creek. E slopes of canyon W of Basin Campground. 1037 Comment
  UC1282135  Monardella Victor Duran 1933-7-11 3514 Los Angeles Sulphur Springs San Gabriel Mountains 1524 Comment
  LA63056  Monardella australis subsp. cinerea Robert L. Dressler; July 2324 1949 953 Los Angeles San Gabriel Mountains, S Hawkins Peak 2346 Comment
  RSA659842  Monardella australis subsp. cinerea Orlando Mistretta 1991-7-30 s.n. Los Angeles Near the summit of Baldy. 2927 Comment
  RSA670375  Monardella candicans var. exilis Bonnie C. Templeton 1931-5-17 1204 Los Angeles Bouquet Canyon, San Gabriel Mountains. Comment
  RSA202456  Mucronea californica W. M. Kinch 1928-5-19 1024 Los Angeles Playa del Rey. Comment
  SD230266  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin park: Albarnes Station, east side San Gabriel Wash, just north of Valley Blvd. Comment
  RSA150658  Muhlenbergia appressa P. H. Raven 1962-5-8 17603 Los Angeles San Clemente Island: second canyon south of Seal Cove 30 Comment
  SBBG20734  Muhlenbergia appressa E. R. Blakley 1963-12-7 6327 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  RSA0071926  Muhlenbergia asperifolia Sarah Ratay, Robyn Shea 2006-12-7 102 Los Angeles Santa Catalina Island. Buffalo Springs Drainage. Comment
  RSA641506  Muhlenbergia californica L. C. Wheeler 1967-8-27 10557 Los Angeles Blind Deer springs, first canyon beyond Shoemaker Canyon on W side of East Fork San Gabriel Pines at new road. Comment
  SEINET179637 Image available Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork Big Rock Creek San Gabriel Mts. 1600 Comment
  RSA739661  Muhlenbergia microsperma John Dittes 2006-6-4 1393 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Raod, 2.3 ir miles NW of chatsworth Highchool, 0.9 air mile W of Topanga Blvd, 0.8 air mile ENE of Santa Susana Pass 381 Comment
  RSA739672  Muhlenbergia microsperma John Dittes, Josephine Guardino 2008-2-23 1501 Los Angeles Western Transverse Ranges, San Gabriel Mtns, Big Tujunga Reservoir, 3.4 air miles NE of Mt. Gleason Jr. Highschool, near Delta Flat Pinic Area 530 Comment
  SBBG131950  Muhlenbergia microsperma S. A. Junak 2000-5-18 SCa 1296 Los Angeles W side of 4th of July Cove, 0.1 mi from turnoff to camp 36 Comment
  UCR270767  Muhlenbergia microsperma Mike Misenhelter 2016-4-15 s.n. Los Angeles Diamond Bar Creek, City of Industry, Grand Ave. north side of Hwy 57/60 freeway 215 Comment
  RSA729338  Muhlenbergia richardsonis R. G. Swinney 1999-6-30 7482 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. 1561 Comment
  CAS-BOT-BC7238  Muilla coronata Charles Christopher Parry 1888-3-1 s.n. Los Angeles Lancaster Comment
  RSA587345  Muilla maritima Orlando Mistretta 1992-5-4 224 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  RSA755835  Muilla maritima R. G. Swinney 2008-6-17 9039 Los Angeles Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1945 Comment
  UCR190794  Muilla maritima R. G. Swinney 2001-4-18 7926 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  CAS-BOT-BC515096  Muilla maritima Le Roy Abrams 1901-4-6 1384 Los Angeles Big Tujunga Wash Comment
  CAS-BOT-BC327747  Munzothamnus blairii Robert F. Thorne 1973-4-11 42834 Los Angeles San Clemente Island. Upper part of Norton Canyon 274 Comment
  SBBG19146  Munzothamnus blairii C. Burch 1963-12-15 Los Angeles first cyn S of Seal Cove Comment
  SEINET3890081  Najas marina Louis C. Wheeler 1947-9-14 6628 Los Angeles North of El Monte. Peck Road, near Arrow Hwy.; 0 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
  UCSC000893  Nama demissa var. demissa D. J. Norman 1969-3-24 352 Los Angeles Eastern end of the Lovejoy Buttes - Antelope Valley 950 Comment
  RSA584764  Nassella lepida Timothy S. Ross, Orlando Mistretta 1993-5-27 7325 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  RSA601833  Nassella lepida Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9478 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of 'Osito Flat', a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  SEINET11682297  Nassella lepida H. E. Hasse 1888-1 s.n. Los Angeles no further locality Comment
  RSA484132  Nassella pulchra Anstruther Davidson 1917-05 3222 Los Angeles Los Angeles. Comment
  UC61535  Navarretia hamata Ernest Braunton Jun 1903 891 Los Angeles Glendale to Burbank Comment
  RSA190947  Navarretia hamata subsp. leptantha Percy C. Everett 1965-6-24 35025 Los Angeles Santa Catalina Island. Rancho Escondido, Escondido Canyon. 213 Comment
  UC1348880  Navarretia hamata subsp. leptantha Robert F. Thorne and P. Everett 1965-6-24 35025 Los Angeles Rancho Escondido Santa Catalina Island, Escondido Canyon 213 Comment
  RSA0091878  Navarretia hamata subsp. leptantha Steven A. Junak, Ralph N. Philbrick 2001-5-18 SCa- 1540 Los Angeles Santa Catalina Island. Cottonwood Canyon, along N side of Cottonwood-Blackjack Road, ca. 1.65 miles WSW of Blackjack Peak. 304 Comment
  SBBG126916  Nemacladus pinnatifidus A. Parikh, N. Gale 2010-6-15 3301 Los Angeles upper Big Tujunga Cyn, 0.2 km ENE of Shortcut Stn, 0.7 km N of St Hwy 2 1310 Comment
  RSA628893  Nemacladus ramosissimus L. C. Wheeler 1969-5-4 s.n. Los Angeles East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 548 Comment
  SEINET10461064  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 Peirson 220 Los Angeles Foothills east of Rubio Canyon, San Gabriel Mountains 610 Comment
  RSA643155  Nemacladus sigmoideus Orlando Mistretta 1994-04 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit. Comment
  RSA518016  Nemophila menziesii Orlando Mistretta 1986-3-31 1553 Los Angeles Mojave Desert:Hwy 138, 4 miles E of jct w/Hwy 18 NE of Pinyon Hills. Comment
  UCR281291  Nerium oleander R. G. Swinney 2014-5-8 16467 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA0060121  Nicotiana clevelandii L. R. Abrams 1901-4-1 1205 Los Angeles Ballona Harbor. Comment
  OBI69348  Nicotiana glauca John Knapp, Denise Knapp 2002-11-27 22 Los Angeles Santa Catalina island Comment
  RSA654656  Nicotiana glauca Fred Brooks, P. Sobkowiak 1988-4-23 12 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  RSA672295  Nicotiana glauca Joseph M. Keefe 2001-1-19 30943 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  SEINET10818928  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3950 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SD232664  Nitrophila occidentalis A. C. Sanders, E. J. Lott 1993-5-6 13988 Los Angeles Western Mojave Desert: 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-BC167067  Oenothera californica Ynez Whilton Winblad 1937-6-26 s.n. Los Angeles Ridge Route, n. Los Angeles Co. Comment
  RSA589175  Oenothera californica subsp. californica Tim S. Ross 1991-4-27 4679 Los Angeles Mojave Desert: Black Butte Basin Road at intersection with Avenue 'U , NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters (buttes). 959 Comment
  LA202286  Oenothera speciosa Arthur C. Gibson; 2005-6-4 5033 Los Angeles Comment
  RSA0115094  Oligomeris linifolia Steven A. Junak 2000-6-30 SCa- 1363 Los Angeles Santa Catalina Island. Just E of Catalina Harbor. 40 Comment
  SBBG133005  Oligomeris linifolia J. Dunn 2003-5-9 JD 20035 Los Angeles S of Seal Cove on first terrace Comment
  SEINET9037806 Image available Opuntia M. A. Baker, Michelle Cloud-Hughes 2015-1 18411 Los Angeles Pomona, 650m SSE of the summit of Elephant Hill 280 Comment
  SEINET3245982  Opuntia basilaris R. G. Swinney 2009-1 10856 Los Angeles Transverse Range; San Gabriel Mtns.: Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 437 Comment
  UCR177797  Opuntia microdasys LeRoy Gross 2001-10-6 449 Los Angeles Los Angeles Basin region, Big Tujunga Wash, southern front of the San Gabriel Mountains; on a bench between Haines Canyon and Big Tujunga River, east of Foothill Blvd. 366 Comment
  POM156366  Opuntia oricola L. R. Abrams 1902-6-9 2515 Los Angeles Playa del Rey. Comment
  UCR130509  Orcuttia californica R. E. Riefner Jr. 2003-7-26 03- 328 Los Angeles Western San Gabriel Mtns., Near Solemint, in Plum Canyon, near intersection with Arline Drive and Sierra Hwy. 587 Comment
  RSA0076161  Orobanche bulbosa Philip A. Munz, R. D. Harwood 1920-5-2 3817 Los Angeles San Dimas Canyon. 457 Comment
  RSA641081  Orobanche valida subsp. valida Orlando Mistretta 1995-7-6 1869 Los Angeles San Gabriel Mountains: Big Rock Creek, on trail at sign indicating [way] to Devil's Punchbowl County Park. (Orobanche valida survey site E). 1509 Comment
  RSA402091  Orthocarpus purpurascens M. Bisbee 1917-4-15 s.n. Los Angeles Low dry hills, e. Eagle Rock Comment
  POM4366  Orthocarpus purpurascens var. pallidus C. N. Carter 1909-5-11 s.n. Los Angeles Claremont. Comment
  CAS-BOT-BC227075  Osmorhiza brachypoda Timothy S. Ross; Steve Boyd 1994-5-4 7682 Los Angeles Liebre Mountains. Dogwood Canyon: narrow canyon draining NE to Burns Canyon from the NE summit of Grass Mountain 1283 Comment
  UCR78152  Osmorhiza brachypoda Wandalee Thompson 1964-4-8 24 Los Angeles Transverse Range; Liebre Mtns., Cottonwood Campground, Elizabeth Lake Canyon Road, Angeles National Forest. 808 Comment
  UC1400352  Osmorhiza brachypoda Donald R. Bissing 1973-2-22 6 Los Angeles Evey Canyon San Gabriel Mountains (1.0 mi from canyon mouth, on ne face of canyon wall) 853 Comment
  LA28440  Oxalis californica Harlan Lewis; 1940-4-3 1291 Los Angeles Santa Monica Mountains, Pacific Coast Hwy 15 mi N [W] of Malibu Comment
  POM145270  Oxalis pes-caprae P. A. Munz 1928-3-7 11067 Los Angeles Claremont, vacant ground north of Foothill Boulevard 366 Comment
  UCR178064  Oxypolis occidentalis LeRoy Gross 2001-11-17 458 Los Angeles San Gabriel Mountains region, just below trail from Three Points to Twin Peaks 1951 Comment
  CAS-BOT-BC318204  Packera breweri C. Epling; L. Wheeler 1933-6-4 1848 Los Angeles Sandbergs near Quail Lake. 1310 Comment
  JEPS55202  Paeonia californica Frank W. Peirson 1919-1-25 314 Los Angeles Arroyo Seco San Gabriel Mountains 381 Comment
  UCR261322  Paeonia californica R. G. Swinney 2010-3-13 11884 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UC1922229  Papaver californicum Valerie Soza, Laura A. Moore 2000-5-10 857 Los Angeles Verdugo Mountains; north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936'' 579 Comment
  RSA545207  Parapholis incurva Timothy S. Ross 1992-4-14 6783 Los Angeles San Clemente Island, Lemon Tank Road, 25m ESE of its intersection with the main N-S island road 341 Comment
  RSA638212  Parapholis incurva L. C. Wheeler 1969-5-16 s.n. Los Angeles Santa Catalina Island. Fishermans Cove: USC Marine lab. 15 Comment
  UC1594354  Parapholis incurva Tim Ross 1992-4-14 6183 Los Angeles Lemon Tank Road ca 25 m ese of intersection Lemon Tank Rd with main n-s island rd San Clemente Island 341 Comment
  SD217393  Parietaria hespera Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4297 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  SBBG112785  Parietaria hespera var. californica S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 520 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  SBBG36277  Parietaria hespera var. californica S. A. Junak with K. Kirkland 1998-5-2 SCa 652 Los Angeles near top of coastal bluffs, ca. 1 air mi W of East Pk at end of ridge SW of Pk 1245 228 Comment
  RSA535338  Parietaria hespera var. hespera Tim S. Ross 1991-5-21 5386 Los Angeles San Clemente Island: Upper easterly branch of Box Canyon, affected by recent burn 473 Comment
  UCR194287  Parnassia cirrata R. G. Swinney 1998-10-3 6994 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, tributary from N side of San Antonio Ridge 1939 Comment
  CATA1509  Paspalum dilatatum Mark L. Hoefs, Steven A. Junak 1996-7-9 2722 Los Angeles Santa Catalina Island: By bunkhouse at Middle Ranch, Middle Canyon 207 Comment
  UCD110573  Passiflora caerulea A. C. Sanders; D. Malueg 2001-5-17 24330 Los Angeles Los Angeles Basin. Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 121 Comment
  SD215434  Pectocarya penicillata Steve Boyd, Lauren Raz 1997-3-25 9279 Los Angeles Liebre Mountains Region; Knapp Ranch area at upper end of Castaic Crek drainage in broad alluvial valley at head of Cienaga Canyon south of Liebre Mountain, flats and slopes just northeast of ranch compound. 975 Comment
  SD90384  Pectocarya setosa Robert F. Thorne, C. W. Tilforth 1973-4-20 42997 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1 mile north of Bob's Gap, 3.2 miles south of Llano, north slope of Holcomb Ridge 1145 Comment
  CAS-BOT-BC67715  Pellaea andromedifolia Marcus E. Jones 1924-2-15 s.n. Los Angeles San Antonio Canyon, Claremont Comment
  RSA0091152  Pellaea andromedifolia R. G. Swinney 2011-11-1 15956 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  SEINET13203201 Image available Pellaea andromedifolia R. G. Swinney 2011-1 15851 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  RSA704360  Pellaea mucronata Gary D. Wallace, Z. Wallace 1982-4-24 1929 Los Angeles West of Palmdale, south end of Munz Ranch road. Comment
  SEINET3860416 Image available Pellaea mucronata R. G. Swinney 2009-4-17 10383 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), ca 0.6 mi. north of Sierra Madre Ave.; 0 213 Comment
  UCR108356  Pennisetum clandestinum L. C. Wheeler 1974-12-29 s.n. Los Angeles San Gabriel Mtns., Bottom of Millard Canyon, on both sides of Angeles National Forest boundary. E side of canyon Comment
  UCR91498  Pennisetum clandestinum Scott D. White 1995-3-15 2584 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  CATA3538  Pennisetum setaceum Benjamin J. Dion, Morgan Fleming 2018-5-11 006 Los Angeles Santa Catalina Island: Channel side; Landfill; roadside between road and steep rockface above the road at the landfill / city dump in the East End Quarry watershed. 77 Comment
  RSA659358  Pennisetum setaceum S. Koukol, R. Koukol 1998-5-3 43 Los Angeles La Verne, Foothill Blvd., 125 m W. of Wheeler Avenue 344 Comment
  LA9088  Pennisetum setaceum Marjorie Bowler; 1937-9-21 sn Los Angeles 121 Comment
  OBI26232  Penstemon centranthifolius Mark E. Schneider 1973-5-3 27 Los Angeles 1/4 mi W of topanga cyn blvd, Santa Monica Mts 396 Comment
  UCD166191  Penstemon centranthifolius Jack Major 1962-4-15 757 Los Angeles On road to Big Pines above Valyermo, north side of San Antonio Peak. (Exact location unknown. Coordinates estimated by label maker.) 1390 Comment
  UCR124594  Penstemon centranthifolius B. C. Templeton, I. W. Clokey 1930-4-8 1064 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  UC55373  Penstemon centranthifolius J. H. Barber Los Angeles Soma Canyon Comment
  UCSB6160  Penstemon centranthifolius 1940-7-1 Los Angeles San Dimas Exp. Forest; road below Sunset Peak Comment
  SD127611  Penstemon grinnellii var. grinnellii Scott Zona, D. Arias, et al. 21-28 Jun 1989 331 Los Angeles Mountain High Ski Resort; west of Wrightwood. 2020 Comment
  SD65483  Penstemon grinnellii var. grinnellii Reid Moran 1967-7-22 14096 Los Angeles Canyon south of Chilao, San Gavriel Mountains. 1550 Comment
  NY601692  Penstemon heterophyllus var. heterophyllus T. S. Ross 1994-5-25 7935 Los Angeles Necktie Basin: Hanging basin ca. 470-830 m west of Warm Springs Mountain summit. These collections from ca. 600-800 m west-southwest of summit. Liebre Mountains. 1060.7 Comment
  UCR189872  Penstemon labrosus R. G. Swinney 1998-7-10 6399 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
  SEINET6099538  Penstemon palmeri Louis C. Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  NY660826  Penstemon speciosus T. S. Ross 1990-6-22 3701 Los Angeles Pinyon Ridge: eastern half of the ridge, directly north of Fenner Canyon 1938.5 Comment
  POM308402  Penstemon spectabilis Henry J. Ramsey, Henry J. Ramsey 1937-12-7 3118 Los Angeles Altadena, North Craig Avenue. Comment
  RSA401894  Penstemon spectabilis N. C. Cooper 1945-5-1 2180 Los Angeles Santa Monica Mountains 762 Comment
  RSA401907  Penstemon spectabilis subsp. subviscosus M. Bisbee 1917-5-24 s.n. Los Angeles Hills and canyons, n. Eagle Rock Comment
  RSA656227  Penstemon spectabilis subsp. subviscosus Joseph M. Keefe 1978-6-2 23305 Los Angeles Verdugo Mountains: 40 m north of Mountain Street, 70 m west of Glendale Freeway (California Highway 2), Glendale College, Glendale, San Rafael Hills. 300 Comment
  NY661190  Penstemon spectabilis var. spectabilis E. A. Purer 1935-5-11 6585 Los Angeles Santa Monica Mountains Comment
  SD37455  Penstemon spectabilis var. subviscosus Edith A. Purer 1931-3-5 1557 Los Angeles Griffith Park, hillsides Comment
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Jun 9 2016
  RSA0070771  Pentagramma triangularis F. W. Peirson 1923-4-10 3440 Los Angeles North slope canyon about 10 miles southeast of Wilson's Cove, San Clemente Island. Comment
  SBBG131717  Pentagramma triangularis S. A. Junak 1999-5-22 SCa 1006 Los Angeles end of Goat Harbor, W fork of cyn 54 Comment
  SD112061  Pentagramma triangularis Linda Allen, Betsy Carpenter 1975-3-23 Los Angeles Santa Catalina Island, upper Avalon Canyon Comment
  RSA0060339  Pentagramma triangularis Karen Hosterman 1957-4-8 963 Los Angeles Santa Catalina Island: Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  UC483376  Pentagramma triangularis subsp. triangularis L. R. Abrams and I. L. Wiggins 1931-7-6 348 Los Angeles vicinity of Mosquito Harbor; San Clemente Isl Comment
  UCSB62233  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-4-17 Los Angeles Santa Monica Mtns., Griffith Park, Vista del Valle Dr. ca. 1/4 mi. e. of Mt. Hollywood Dr., no. of road 365 Comment
  UCSB62241  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-6-4 Los Angeles San Gabriel Mtns., Evey Cyn. ca. 3/4 mi. from Mt. Baldy Rd. 975 Comment
  SBBG59646  Perideridia pringlei R. Hoffmann 1930-6-6 Los Angeles Liebre Station, Ridge Route [historic site] Comment
  LA200255  Perityle emoryi Tom O'Donnell; sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  CAS-BOT-BC355963  Perityle emoryi A. J. McClatchie 1893-9-8 s.n. Los Angeles Avalon Comment
  LA200260  Perityle emoryi Virginia Mars; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA0119518  Phacelia R. G. Swinney 2014-4-23 16169 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E.), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  UCR237901  Phacelia Mark A. Elvin 2003-4-22 2528 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
  RSA74794  Phacelia F. W. Peirson 1930-5-12 8788 Los Angeles on detritus from canyon wall, in lower part of Mint Canyon, NW of San Gabriel Mts Comment
  RSA777682  Phacelia affinis Orlando Mistretta, Christine Mistretta 2010-5-19 5108 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  POM19042  Phacelia brachyloba P. A. Munz 1923-6-9 6921 Los Angeles Bouquet Canyon, near Saugus. 1006 Comment
  RSA595550  Phacelia brachyloba Alan Prather 1993-5-17 1357 Los Angeles Angeles National Forest, along Glendora Mountain Road, 27.4 km N of the intersection with Boulder Springs drive (just S of the entrance to the National Forest). Comment
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Dec 15 2016
  UCR219942  Phacelia brachyloba R. G. Swinney, Jane Strong 2009-4-21 10407 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
  SBBG95418  Phacelia cicutaria var. hispida M. B. Dunkle 1929-4-13 2119 Los Angeles Little Gibraltar Comment
  RSA427351A  Phacelia cicutaria var. hispida Unspecified 1897-06 s.n. Los Angeles San Antonio Canyon. 457 Comment
  RSA44893  Phacelia cicutaria var. hubbyi J. C. Roos 1947-5-4 3603 Los Angeles Kellogg Hill West of Pomona, Los Angeles County Comment
  UCR47883  Phacelia davidsonii Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Hwy 2, west of Big Pines in vicinity of Dawson Saddle, at mile marker 56.54 2409 Comment
  RSA611615  Phacelia distans Anna Christensen 1997-4-3 14 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Avenue and Foothill Boulevard 412 Comment
  UC1375280  Phacelia distans Robert F. Thorne and C. W. Tilforth 1971-6-17 39964 Los Angeles Lower Tujunga Rd 2 mi up from Forestry Headquarters; San Gabriel Mts., Angeles National Forest, Little Tujunga Cr 457 Comment
  UCR125389  Phacelia distans A. C. Sanders, Mark Elvin 2003-3-5 25732 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR146464  Phacelia distans Orlando Mistretta 1992-6-12 556 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  OBI13821  Phacelia distans Bill Arbaugh 1966-4-26 33 Los Angeles W on 138 from Lancaster 762 Comment
  RSA426193  Phacelia distans Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  SD41337  Phacelia distans Edith A. Purer 1931-5-25 Los Angeles El Segundo Comment
  POM289355  Phacelia egena Victor Duran 1933-7-25 3533 Los Angeles San Gabriel Mtns: Buckhorn 1982 Comment
  RSA252916  Phacelia fremontii Robert F. Thorne 1973-4-20 43055 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  RSA426164  Phacelia fremontii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UC55296  Phacelia fremontii J. H. Barber 1897-6-28 210 Los Angeles Kentucky Springs Comment
  UCR124676  Phacelia fremontii B. C. Templeton, I. W. Clokey 1930-4-8 1033 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  RSA700379  Phacelia hubbyi Valerie L. Soza, LeRoy Gross 2000-5-25 963 -b Los Angeles South side; North of fire road between Ebey and Doane canyons, south of Goldenrod Spring, above Sunland. 549 Comment
  RSA783085  Phacelia imbricata J. D. Olmsted 1959-6-11 640 -A Los Angeles San Antonio Creek. 0.5 mi W of San Antonio Canyon in Evey Canyon. 732 Comment
  RSA428004  Phacelia imbricata subsp. imbricata I. M. Johnston 1917-7-1 1443 Los Angeles Brown s Flat Comment
  RSA660164  Phacelia imbricata subsp. imbricata Orlando Mistretta 1992-5-25 442 Los Angeles Transverse Ranges; San Gabriel Mountains region: Fenner Canyon Conservation Camp, Between camp boundary and water tower. Comment
  UCD120301  Phacelia imbricata var. patula Victor Duran 1933-7-25 3533 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  RSA749076  Phacelia lemmonii R. G. Swinney 2005-8-11 8453 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA642423  Phacelia longipes Orlando Mistretta 1995-6-23 1828 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 1. 1829 Comment
  UC1174668  Phacelia longipes L. R. Heckard, R. Bacigalupi, and G. T. Robbins 1953-6-15 508 Los Angeles along Forest Service rd near confluence of Pacoima Creek with its North Fork; San Gabriel Mts., Pacoima Canyon Comment
  RSA139587  Phacelia lyonii Reid V. Moran 1958-9-15 6826 Los Angeles Canyon 1.8 miles SE of Eel Point, San Clemente Island 100 Comment
  SD48929  Phacelia lyonii Reid Moran 1958-9-15 6826 Los Angeles San Clemente Islands, 1.8 miles SE of Eel Point 99 Comment
  POM127603  Phacelia minor George B. Grant 1901-1 965 Los Angeles Mt. Lowe. Comment
  RSA612173  Phacelia minor Anna Christensen 1997-3-11 2 Los Angeles E Los Angeles County, Claremont, Bernard Biological Field Station (Claremont Colleges) NW corner of Mills Ave and Foothill blvd, 35 yards from E fence in N panhandle region. 412 Comment
  UCR273249  Phacelia minor R. G. Swinney 2011-5-6 14620 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
  RSA660759  Phacelia minor J. Doughty 1985-5-11 124 Los Angeles Angeles National Forest: Graveyard Canyon junction of San Gabriel Road and the entrance to Follows Camp. Comment
  RSA713734  Phacelia minor LeRoy Gross 2005-4-28 2169 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA74508  Phacelia mohavensis F. W. Peirson 1921-6-15 962 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  SEINET7072907  Phacelia mohavensis A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Range Mountains southeast of Palmdale. Coordinate datum: WGS84/NAD83. (34? deg. 32' 24" North Latitude, -118? deg. 4' 47" West Longitude; UTM Zone 11, 400913mE, 3822375mN, Coordinate datum: NAD27.). Comment
  RSA428170  Phacelia ramosissima var. austrolitoralis F. R. Fosberg 1930-6-23 2988 Los Angeles Del Rey. 1 Comment
  CHSC3690  Phacelia tanacetifolia M. MacArthur 1966-5-12 18 Los Angeles San Rafael Hills- Glendale College. 213 Comment
  RSA799680  Phacelia tanacetifolia Pam De Vries 2013-4-3 7841 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1054 Comment
  RSA1074  Phacelia viscida J. T. Howell 1928-6-29 997 Los Angeles Seminole Hot Springs Road, Santa Monica Mountains 457 Comment
  SBBG65061  Phacelia viscida unknown -May-1893 Los Angeles Los Angeles Comment
  SEINET3091900 Image available Phacelia viscida var. albiflora Norman C. Cooper 1945-5-1 2199 Los Angeles Tapia Park area, Santa Monica Mountains. Comment
  POM298887  Phalaris lemmonii Frank W. Gould 1944-4-12 2281 Los Angeles Western Avenue at 131st Street, south of Los Angeles. Comment
  UCD88893  Phalaris lemmonii Beecher Crampton 1963-5-8 6795 Los Angeles Los Angeles. N of Gardena, Rosecrans Ave, just W of its junction with Western Ave. Comment
  RSA91909  Phalaris minor F. W. Peirson 1918-4-28 1575 Los Angeles Road east and south of El Monte. Comment
  UC284096  Pholistoma auritum S. B. Parish 1919-4-19 19262 Los Angeles Lone Hill near San Dimas; Lone Hill Comment
  RSA733447  Pholistoma membranaceum R. G. Swinney 2001-4-18 7896 Los Angeles San Gabriel Mtns./Mojave Desert: Valyermo area, ridge top ca. 500 m east of south end of Bobs Gap Comment
  UCR280544  Pholistoma membranaceum R. G. Swinney 2014-4-10 16034 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
  UC1563053  Pholistoma membranaceum Steve Boyd and Orlando Mistretta 1986-3-31 1545 Los Angeles 4 mi. e. of junction with Hwy. 18 n.e. of Pinyon Hills (Hwy. 138); Mojave Desert Comment
  RSA459308  Pholistoma racemosum F. R. Fosberg 1931-4-16 S- 4643 Los Angeles Eagles Nest, Middle Ranch Canyon; Santa Catalina Island. 180 Comment
  SBBG97024  Pholistoma racemosum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4407 Los Angeles Bryce Cyn near Malo Pt Comment
  UC1971391  Phoradendron juniperinum subsp. libocedri Louis C. Wheeler 1946-8-25 6239 Los Angeles San Gabriel Mountains; Pine Flats, north end. Comment
  UC1194622  Phoradendron macrophyllum Del Wiens 1958-12-10 2428 Los Angeles n. Claremont (mouth of Cobal Canyon) 426 Comment
  RSA0044713  Phoradendron macrophyllum Del Wiens 1954-1-10 889 Los Angeles Intersection of Alexander and Cucamonga Ave., Claremont. Residential area. 366 Comment
  JEPS42584  Phoradendron pauciflorum Frank W. Peirson 1918-8-17 32 Los Angeles San Gabriel Mts., Baldy 2286 Comment
  POM354330  Phoradendron villosum Elbert Benjamine 1929-3-24 105 Los Angeles Mint Canyon. Comment
  POM354338  Phoradendron villosum L. E. Hoffman 1932-10-30 17133 Los Angeles San Gabriel Mountains: Barley Flats Comment
  RSA603783  Phoradendron villosum Louis C. Wheeler 1948-6-13 6655 Los Angeles San Gabriel Mountains: Big Tujunga 991 Comment
  UCR102540  Phoradendron villosum George K. Helmkamp, E. A. Helmkamp 1997-3-11 1472 Los Angeles Along Pine Cyn Rd between Sandberg & Three Points (NW LA Co.). 1204 Comment
  POM219966  Phyla nodiflora F. R. Fosberg 1932-5-5 8113 Los Angeles Santa Catalina Island. Hill in Avalon. Ocean bluff. 30 Comment
  SBBG131444  Phyllospadix scouleri S. A. Junak 1996-4-11 SCI 286 Los Angeles ca. 0.9 km N of Eel Point, in small swale immediately behind rocky beach 3 Comment
  RSA683978  Phyllospadix torreyi E. Yale Dawson 1957-6-30 17213 Los Angeles Lunada Bay, Los Angelas County. Station # 25. Comment
  LA202416  Physalis philadelphica Arthur C. Gibson; 2005-9-14 5096 Los Angeles 365 Comment
  POM222231  Pickeringia montana Louis C. Wheeler 1936-6-8 4127 Los Angeles San Gabriel Mountains: Bell-San Dimas Canyon divide 960 Comment
  UC1129871  Pickeringia montana var. montana P. L. Johannsen 1934-1-11 221 Los Angeles Saddle Peak Calabasas Quadrangle Comment
  RSA673605  Pinus attenuata LeRoy Gross 2003-1-18 684 Los Angeles Along dirt road that had a sign stating Plantation Lateral just off Verdugo Mountainway, along crest of the Verdugo's. 854 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
  SEINET3561215 Image available Pinus coulteri Walter Schloer 1965-11-7 s.n. Los Angeles 10 miles northeast of Pasadena. Comment
  RSA169023  Pinus jeffreyi Mark Parratt 1964-2-6 600 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  RSA169040  Pinus jeffreyi Mark Parratt 1964-2-6 602 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  UC1134053  Pinus monophylla H. A. Jensen 1933-6-1 321 Los Angeles Rock Creek Angeles National Forest, Rock Creek Quad., Rock Creek 1371 Comment
  POM308878  Piperia elongata Kay H. Beach 1943-7-31 1872 Los Angeles Tanbark, Gilman Grove, San Dimas Experimental Forest U.S. Forest Dept. Angeles National Forest Comment
  CATA2199  Pittosporum tobira Sara L. Crockett, Michael Daligdig 1996-11-4 29 Los Angeles Santa Catalina Island: Casino point and walkway 9 Comment
  SEINET10529840  Pityrogramma triangularis Jason R. Grant, W. Wheeler 1904-4-21 Grant 530 a Los Angeles Collected on Santa Catalina Island, Pacific Ocean, off southern California. Comment
  SBBG63862  Plagiobothrys arizonicus R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UCR274994  Plagiobothrys arizonicus Michael Honer, Rachel Woodard 2006-4-20 2215 Los Angeles Tehachapi Mountains area:, Oso Canyon area; c. 1/2 mi. north of Quail lake; 1 mile west of cement plant rd. 1037 Comment
  UCR192582  Plagiobothrys canescens A. C. Sanders 2008-4-10 34792 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
  UCR192015  Plagiobothrys leptocladus A. C. Sanders 2008-4-16 34911 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, 0.3 mi. north of Hwy 138 on the east side of the cement plant road, 0.8 mi. E of Quail Lake 1020 Comment
  LA82073  Plantago erecta Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA166572  Plantago erecta W. G. Webb 1935-2-25 s.n. Los Angeles Eagle Rock Canyon Comment
  RSA660997  Plantago lanceolata LeRoy Gross 2001-5-28 415 Los Angeles Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. 488 Comment
  UCR272750  Plantago ovata M. B. Dunkle 1939-4-5 7270 Los Angeles Channel Islands, San Clemente Island, China Point 30 Comment
  SBBG38672  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7270 Los Angeles China Pt Comment
  SEINET10297788  Platanthera dilatata var. leucostachys Unknown 1962-1 Los Angeles Comment
  UCR182757  Platanthera sparsiflora R. G. Swinney 1997-7-22 5710 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  LA206346  Platanus racemosa W. B. Welch; 1928-4-15 51 Los Angeles San Gabriel Mountains, Big Tujunga Comment
  CAS-BOT-BC93192  Platanus racemosa L. E. Cox 1908-3-28 s.n. Los Angeles San Gabriel. Comment
  UC112899  Platystemon californicus C. F. Baker 1904-5-2 4731 Los Angeles hills near Claremont; hills near Claremont Comment
  UC56742  Platystemon californicus Arthur M. Cleghorn 1902-6-11 20 Los Angeles Claremont Comment
  UCR264688  Platystemon californicus Mitch Provance, Callen Huff 2009-4-28 10743 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  LA206290  Platystemon californicus Carolyn Barber; 1969-5-6 sn Los Angeles Gorman Comment
  RSA592263  Platystemon californicus Louis C. Wheeler 1967-5-12 9484 Los Angeles San Gabriel Mountains. Between summits 4174 and 4183, east of Vincent. 1250 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
  RSA0015839  Pluchea odorata var. odorata LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6211 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  RSA229081  Poa secunda var. secunda R. F. Thorne 1971-6-30 40772 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek 1616 Comment
  RSA252881  Poa secunda var. secunda R. F. Thorne 1973-5-11 43530 Los Angeles San Gabriel Mountains, Mojave Desert slope: Along Mt. Emma Road, 1/2 mi E of Little Rock Creek below the dam. 1037 Comment
  UC130517  Polycarpon depressum F. M. Reed 1909-7-4 2841 Los Angeles hills se Avalon; Catalina Island 304 Comment
  SFV21677  Polygonum amphibium var. emersum L. L. Zung 2009-5-20 12 Los Angeles Santa Monica Mountains Rocky Oaks. 530 Comment
  POM2366  Polygonum aviculare W. R. Shaw 1900-7-3 77 Los Angeles Claremont. Comment
  UCSB1565  Polygonum aviculare Wedberg, H. 1958-4-14 Los Angeles UCLA campus above vivdrium Comment
  UC466032  Polygonum aviculare subsp. aviculare Geo. B. Grant 1906-9-1 7172 Los Angeles Catalina Is. Comment
  CAS-BOT-BC414003  Polygonum aviculare subsp. aviculare Geo. B. Grant 1905-5-24 1020 Los Angeles Pasadena Comment
  RSA607580  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. and San Diego Fwy, between Sepulveda and 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  RSA750233  Polygonum hydropiperoides A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37065 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  RSA706652  Polygonum punctatum A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-8-1 25526 Los Angeles Santa Clara River Valley; Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0,75 mi. SW of Castaic Junction. 305 Comment
  CHSC8330  Polypodium californicum Edward L. Smith 1957-5-30 12 Los Angeles Located at Little Dalton Canyon, San Gabriel Mts. 365 Comment
  LA94055  Polypodium californicum Lawrence L. Kiefer; 1966-3-6 1646 Los Angeles SANTA MONICA MOUNTAINS, San Nicholas Canyon, ca 0.75 mi from canyon mouth. 152 Comment
  POM12198  Polypodium californicum M. L. Kendall 1921-1-20 16 Los Angeles San Jose Hills. Comment
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Feb 2 2017
  RSA689870  Polypodium californicum J. A. Powell, C. B. Liter 1928-4-2 s.n. Los Angeles Avalon Valley, Santa Catalina Island. Comment
  RSA689883  Polypodium californicum Martha Hilend 1928-2-9 40 Los Angeles Big Santa Anita Canyon. Comment
  SBBG38821  Polypodium californicum R. Moran 1941-2-2 598 Los Angeles Middle Ranch Comment
  UC812492  Polypodium californicum Ira W. Clokey, B. Templeton May 1929 4483 Los Angeles Mandeville Canyon; Santa Monica Mts. 300 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
  UCSB62325  Polypodium californicum Kiefer, Lawrence 1966-4-10 Los Angeles Santa Monica Mtns., Rustic Canyon, ca. 0.25mi S of Camp Josepho 304 Comment
  UCSB62337  Polypodium californicum Kiefer, Lawrence 1967-1-2 Los Angeles San Gabriel Mtns., NE (NW?) of San Fernando, canyon 1.5mi up Loop Canyon along May Canyon Rd., from Veteran's Hospital 762 Comment
  UCSB62379  Polypodium californicum Kiefer, Lawrence 1967-5-13 Los Angeles San Gabriel Mtns., N of Mt. Wilson, Shortcut Canyon, tributary of the W fork of the San Gabriel River, ca, 0.75mi up 1066 Comment
  CATA847  Polypogon monspeliensis Mark L. Hoefs 1991-6-26 1447 Los Angeles Santa Catalina Island: Upper Cape Canyon at Cape Canyon Reservoir 390 Comment
  RSA729321  Polypogon monspeliensis R. G. Swinney 1999-6-30 7475 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. 1561 Comment
  SD72832  Polypogon monspeliensis F. R. Fosberg 1931-5-2 S 4738 Los Angeles Santa Catalina Island; Middle Ranch Dam, in running stream 199 Comment
  SFV21111  Polypogon monspeliensis L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1111 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. At concrete tunnel at north end of 210 Freeway. 457 Comment
  UC1109341  Polypogon monspeliensis Peter H. Raven 1962-7-12 18042 Los Angeles Wilson Cove San Clemente Island; , Wilson Cove 45 Comment
  UC1109376  Polypogon monspeliensis Peter H. Raven 1962-4-9 17127 Los Angeles Wilson Cove San Clemente Island; , Wilson Cove 60 Comment
  UCD91392  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9393 Los Angeles Avenue E, 0.5 mile east of Highway U.S. 6, Rosamond region. 617 Comment
  CAS-BOT-BC237503  Polypogon viridis Alice Eastwood 1906-5-27 84 Los Angeles Bimini Baths Comment
  RSA729890  Polystichum imbricans subsp. curtum R. G. Swinney 1998-8-30 6858 Los Angeles South fork of Dry Lake Canyon, a western tributary of San Antonio Canyon. 985 Comment
  RSA777523  Potentilla glandulosa R. G. Swinney 2009-5-20 10840 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  CATA419  Primula clevelandii var. insularis 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; (3)70(500) Easting, (36)92(700) Northing 423 Comment
  CAS-BOT-BC206973  Prosopis glandulosa var. torreyana A. D. E. Elmer 1902-6-1 3726 Los Angeles Lancaster, 15 miles east Comment
  UC1128358  Prunus fasciculata H. S. Yates 1936-4-6 5404 Los Angeles near Valyermo 1371 Comment
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Apr 28 2010
  RSA771642  Prunus fasciculata var. fasciculata R. G. Swinney 2009-5-13 10795 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR223106  Prunus fasciculata var. fasciculata R. G. Swinney 2009-5-13 10795 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
  CAS-BOT-BC154926  Prunus ilicifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8404 Los Angeles Liebre Mountains. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  RSA454126  Prunus ilicifolia subsp. ilicifolia L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  SD112028  Prunus ilicifolia subsp. lyonii Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles east slope Black Jack Mountain near Airport Road Comment
  UC1929651  Prunus ilicifolia subsp. lyonii Mark Elvin, Michael Wall, Jennifer Stone 1996-8-7 308 Los Angeles Channel Islands; San Clemente Island: Conchulagua Canyon. In canyon floor. Comment
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Feb 6 2018
  UC454994  Prunus ilicifolia subsp. lyonii I. J. Condit 1908-6-29 Los Angeles Santa Catalina Island Comment
  CATA31  Pseudognaphalium biolettii USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 14 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  LA47057  Pseudognaphalium biolettii Henry J. Thompson; 1959-3-27 1878 Los Angeles Santa Monica Mountains, 2 mi. from Pacific Coast Highway on Rambla Pacifica Road 304 Comment
  POM358709  Pseudognaphalium biolettii B. Campbell 1932-4-16 s.n. Los Angeles Santa Monica Mtns, Los Alisos Canyon Comment
  SD186104  Pseudognaphalium biolettii A. C. Sanders 2003-3-14 25759 Los Angeles 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. 519 Comment
  SD48935  Pseudognaphalium biolettii Reid Moran 1958-9-15 6828 Los Angeles San Clemente Island; 1.8 miles southeast of Eel Point. 99 Comment
  UC1587672  Pseudognaphalium biolettii Tim Ross 1991-4-21 4540 Los Angeles ridge on N side of Turnbull Canyon; Whittier Hills (Puente Hills, pro parte) 304 Comment
  RSA756462  Pseudognaphalium biolettii Orlando Mistretta, Christine Mistretta 2008-4-19 2499 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  JEPS26124  Pseudognaphalium microcephalum Peter H. Raven 1958-9-28 13738 Los Angeles Elysian Park Santa Monica Mountains, Elysian Park 213 Comment
  LA200212  Pseudognaphalium microcephalum Don P. Mullally; 1950-7-21 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 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
  SBBG31119  Pteridium aquilinum var. pubescens R. F. Thorne with M. Z. Thorne 1966-5-31 36429 Los Angeles Fern Cyn 228 Comment
  UC1495652  Pteridium aquilinum var. pubescens Robert T. Clausen 1963-4-6 63037 Los Angeles Solstice Canyon; Santa Monica Mts 35 Comment
  UC812694  Pteridium aquilinum var. pubescens F. R. Fosberg 1931-5-7 S 4834 Los Angeles right fork Cottonwood Canyon; Santa Catalina Isl 200 Comment
  UCR209919  Pterospora andromedea R. G. Swinney 2008-7-16 9268 Los Angeles San Gabriel Mtns., Burkhart Trail on south side of Cooper Creek Canyon, 1.4 mi. NE of Burkhart Trailhead parking lot, west of Buckhorn Canyon 1756 Comment
  CAS-BOT-BC421192  Pterostegia drymarioides B. Pitzer 1998-5-23 3756 Los Angeles Soledad Canyon: vicinity of Soledad Pass, Soledad Canyon Rd ca. 1/2 mi. S of Sierra Hwy. 945 Comment
  RSA392919  Pterostegia drymarioides Anstruther Davidson 1902-04 s.n. Los Angeles Playa del Rey. Comment
  RSA736332  Punica granatum Scott D. White, Justin M. Wood 2008-5-19 12014 Los Angeles Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. 67 Comment
  SEINET12190594  Punica granatum J. F. Bright, Wyman, C. 1931-1 5702 Los Angeles Hollywood Comment
  RSA229714  Purshia tridentata var. glandulosa Robert F. Thorne, C. W. Tilforth 1969-6-26 38199 Los Angeles Big Rock Creek Canyon at Sycamore flat campground, SW slope of Pinyon Ridge 1296 Comment
  RSA657456  Pycnanthemum J. Stephens 1980-4-30 27 Los Angeles Verdugo Mountains Region: Front yard of home on corner of Canyonside Road and Manzanita St., east side of Pickens Canyon, La Crescenta. 701 Comment
  LA201752  Pyracantha angustifolia Arthur C. Gibson; 2001-5-18 4812 Los Angeles 518 Comment
  RSA0080563  Pyrola dentata Jane Tirrell 2012-8-3 LS 0148 Los Angeles South side California State Route 2, in cluvert at mile marker 66.43. 2233 Comment
  UC993206  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  POM244224  Quercus X macdonaldii F. R. Fosberg 1931-12-10 7152 Los Angeles Pebble [Pebbly] Beach Canyon left fork Santa Catalina Island. 40 Comment
  RSA619473  Quercus X macdonaldii E. R. Blakley 1962-10-5 5464 Los Angeles Middle Ranch Corral in Middle Ranch Canyon, Santa Catalina Island 198 Comment
  UCD46916  Quercus X macdonaldii Herman Schroeder 1947-10-26 s.n. Los Angeles Only one such tree, in canyon behind Avalon, Catalina Island, Los Angeles County, California. Comment
  SBBG98566  Quercus agrifolia var. agrifolia T. and A. Ross 1991-3-7 4153 Los Angeles Elephant Hill; W Pomona, San Dimas Quad.; near summit and on mesic northern slopes of hill 335 Comment
  UCR212762  Quercus agrifolia var. agrifolia Ellen Mackey, Blake Whittington 2006-10-24 1825 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel R. main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 402 Comment
  CHSC95811  Quercus berberidifolia LeRoy Gross 2000-10-28 304 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in the city of Glendale. Following fire break up to main crest (to Beaudry fire road). 487 Comment
  POM187672  Quercus berberidifolia Joseph A. Ewan 1931-10-24 5259 -a Los Angeles Santa Monica Mountains Comment
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Mar 9 2015
  RSA0041591  Quercus berberidifolia Justin M. Wood 2009-3-24 381 Los Angeles City of Claremont: Bernard Field Station, NW corner of Mills Ave. and Foothill Blvd. Northernmost portion of the station, east of RSABG. 410 Comment
  UCR178207  Quercus berberidifolia LeRoy Gross 2000-11-12 332 Los Angeles Verdugo Mountains, Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir 412 Comment
  UCSB34815  Quercus berberidifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near comer of Hillcrest and North Hill north of Pomona 274 Comment
  CAS-BOT-BC257061  Quercus chrysolepis P. S. Manos 1988-10-26 663 Los Angeles Angeles National Forest; San Gabriel Mts. Along Rte. 2 1900 Comment
  CAS-BOT-BC62564  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1994-9-21 8303 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; 1623 Comment
  CAS-BOT-BC62575  Quercus chrysolepis F. Grimmell 1903-12-30 90 Los Angeles Mount Wilson Trail, near Pasadena Comment
  POM378356  Quercus chrysolepis Lyman Benson 1947-10-9 12833 Los Angeles 5 miles northeast [NW?] of Big Pine on Valyermo Road. San Gabriel Mt. Mojave Desert. 1677 Comment
  UC586903  Quercus chrysolepis Joseph Andorfer Ewan 1934-8-2 8470 Los Angeles Bear Flats Ranger Station San Gabriel Mts., San Antonio Canyon 1371 Comment
  UCR273023  Quercus chrysolepis M. B. Dunkle 1939-11-25 7361 Los Angeles Channel Islands, San Clemente Island, east rim at canyon head Comment
  UCSB19404  Quercus chrysolepis Haller, John Los Angeles Crystal Lake Campground, San Gabriel Mountains 1767 Comment
  CAS-BOT-BC86225  Quercus dumosa Reid Moran 1941-3-14 707 Los Angeles By creek, Middle Ranch, Santa Catalina Island 200 Comment
  JEPS46660  Quercus dumosa Ernest Braunton 1892-2 Los Angeles near n Pasadena Comment
  POM270186  Quercus durata var. gabrielensis Lyman Benson 1946-10-15 12204 Los Angeles South margin, 2 miles north of Claremont; San Gabriel Mt. 457 Comment
  CAS-BOT-BC94182  Quercus engelmannii Ralph N. Philbrick; Robert F. Thorne 1967-5-18 B 67 -220 Los Angeles Santa Catalina Island; Lower-middle Bull Rush Canyon, Salta Verde Comment
  SBBG44661  Quercus engelmannii W. B. Holt 1941-10-31 24 -1941 Los Angeles Monrovia Comment
  SDSU6967  Quercus engelmannii A. H. Gallup 1947-10-17 65 Los Angeles At mouth of Monrovia Canyon in gravel wash. 229 Comment
  RSA477117  Quercus john-tuckeri Bonnie C. Templeton 1932-8-26 5106 Los Angeles Big Pines park, San Gabriel Mountains 2088 Comment
  RSA681860  Quercus john-tuckeri Scott D. White, Michael Honer 2003-6-18 9558 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  UC1871256  Quercus john-tuckeri T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3949 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
  CAS-BOT-BC105256  Quercus kelloggii Le Roy Abrams; E. A. McGregor 1908-7-5 649 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  RSA594934  Quercus kelloggii Steve Boyd, Lauren Raz 1996-10-8 9017 Los Angeles Liebre Mountains region, crest of Sierra Pelona area at the headwaters of the westerly fork of Maple Canyon, west of Mount McDill. 1402 Comment
  CDA21991  Quercus pacifica J. M. Tucker 1992-4-1 s.n. Los Angeles Channel Islands; Santa Catalina Island; Above Cherry Valley Creek, roughly 1.5 miles northwest of the isthmus, 1/4 mile above road; elev. 300 ft Comment
  RSA5398  Quercus pacifica Carl B. Wolf 1932-10-5 4231 Los Angeles Santa Catalina Island, Black Jack Peak, south side (below buildings used to house workers). 305 Comment
  SBBG21460  Quercus pacifica D. E. Breedlove 1961-9-23 1268 Los Angeles S side of Fourth of July Cove 30 Comment
  UC847943  Quercus pacifica F. R. Fosberg 1931-7-10 S 5374 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  LA205329  Quercus tomentella Jonathan Sauer; D. L. Johnson 1969-5-10 4512 Los Angeles San Clemente Island, bottom of Reservoir Canyon, central E coast Comment
  LA92003  Quercus tomentella Peter H. Raven; 1962-5-21 17808 Los Angeles Santa Catalina Island, lower end of Pebbly Beach Canyon 91 Comment
  RSA158219  Quercus tomentella Peter H. Raven 1962-7-10 17980 Los Angeles Canyon below Lemon Tank in dump; San Clemente Island. 244 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
  UCR270945  Quercus wislizeni var. frutescens R. G. Swinney 2011-6-14 15135 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA594798  Quercus wislizeni var. wislizeni Steve Boyd, Lauren Raz 1996-10-29 9100 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  CAS-BOT-BC362464  Rafinesquia californica Timothy S. Ross; J. Mark Porter 1995-5-4 8407 Los Angeles Liebre Mountains. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  UC1348959  Rafinesquia californica Robert F. Thorne 1966-4-7 35958 Los Angeles Cherry Valley Santa Catalina Island 60 Comment
  UCR126568  Rafinesquia californica A. C. Sanders, Andy Thomson 2003-4-15 25988 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR270989  Rafinesquia californica R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14346 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
  RSA400240  Ranunculus cymbalaria var. saximontanus F. R. Fosberg 1930-7-3 s 3035 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  SD90444  Ranunculus cymbalaria var. saximontanus Robert F. Thorne, J. Dourley 1967-10-10 37341 Los Angeles San Gabriel Mts., Angeles National Forest: Jackson Lake, west end 1867 Comment
  UCR139424  Ranunculus hebecarpus Fay A. MacFadden 1931-3-29 17 E Los Angeles La Tuna Canyon, Verdugo Hills 488 Comment
  UCR95222  Ranunculus hydrocharoides L. C. Wheeler 1946-8-28 6288 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  LA200329  Raphanus sativus Jonathan Sauer; H. N. Sauer 1969-5-30 4557 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  CAS-BOT-BC427516  Reseda alba Geo. B. Grant 1903-6-1 1112 Los Angeles Covina Comment
  RSA652636  Rhamnus californica subsp. californica T. Shipman 1974-8-22 s.n. Los Angeles Soldier Crk., Hwy 39. 1220 Comment
  LA91290  Rhamnus crocea Louis Wheeler; 1932-4-1 539 Los Angeles Liveoak Wash near La Verne 403 Comment
  RSA1649  Rhamnus ilicifolia Ralph Hoffmann 1931-5-3 324 Los Angeles San Francisquito Canyon. Comment
  RSA637661  Rhamnus ilicifolia Robert F. Thorne, R. Carolin, C. Davidson 1967-3-23 41611 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
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Nov 5 2014
  SBBG118498  Rhamnus ilicifolia O. Mistretta 1992-7-14 722 Los Angeles Gold Cyn Trail, Tujunga Ranger District Comment
  UC1121872  Rhamnus ilicifolia A. D. Gifford 1934-4-26 171 Los Angeles Head of Ramera Canyon Triunfo Pass Quad. 609 Comment
  UC592780  Rhamnus ilicifolia unknown 1927-7-24 670 Los Angeles 0.5 mi e Montrose Comment
  CATA1065  Rhamnus pirifolia Mark L. Hoefs 1995-5-16 2005 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  CATA1692  Rhamnus pirifolia Mark L. Hoefs, Robert F. Thorne 1998-10-9 2989 Los Angeles Santa Catalina Island: Upper end of Renton Mine Road 231 Comment
  RSA3559  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3503 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 122 Comment
  CAS-BOT-BC200704  Rhus aromatica Carl B. Wolf 1928-3-29 1565 Los Angeles 3 mi. s.w. of Neenach at junction of Pine Canyon and Sandberg roads Comment
  RSA151059  Rhus integrifolia P. H. Raven 1962-5-9 17666 Los Angeles Canyon south of Mosquito Cove, San Clemente Island 320 Comment
  RSA239458  Rhus integrifolia E. R. Blakely 1962-10-5 5420 Los Angeles Santa Catalina Island. Southeast side of Black Jack Mountain toward White s Cove Canyon. 381 Comment
  RSA386477  Rhus integrifolia M. B. Dunkle 1932-1-24 2861 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA614156  Rhus integrifolia J. Gural, Valerie Soza 1997-3-26 16 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  RSA658604  Rhus ovata Marianne Marshall 1981-4-26 11 Los Angeles 0.75 mi N of fire station, East Fork of San Gabriel River on Hiking trail. off E side of trail. Comment
  SBBG95410  Rhus ovata M. B. Dunkle 1928-3-11 1723 Los Angeles Grand Cyn 6 Comment
  UCR270068  Rhus ovata R. G. Swinney 2011-4-9 14358 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  CAS-BOT-BC133195  Ribes aureum var. gracillimum A. C. Sanders; T. B. Salvato 2009-5-21 36899 Los Angeles San Gabriel Valley: Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  CAS-BOT-BC133226  Ribes aureum var. gracillimum A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-28 36997 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; in fence line between 605 Fwy and the strawberry fields 100 Comment
  LA205466  Ribes aureum var. gracillimum J. Sauer; T. Brothers 1979-5-6 6069 Los Angeles Soledad Canyon, near Ravenna Comment
  UCR205541  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36899 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  RSA0091074  Ribes californicum R. G. Swinney 2011-4-9 14362 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  UC11623  Ribes californicum var. hesperium W. H. Brewer Jan. 1861 133 Los Angeles near Camp 6; San Gabriel Comment
  POM9730  Ribes californicum var. hesperium P. A. Munz 1921-3-29 4417 Los Angeles San Dimas Canyon. 549 Comment
  SD82801  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2542 Los Angeles San Gabriel River 73 Comment
  RSA476172  Ribes indecorum Louis C. Wheeler 1932-1-31 440 Los Angeles foothills San Gabriel Mts. 1 mi. E Palmer Canyon. 609 Comment
  LA50736  Ribes malvaceum Carl Epling; 1934-12-12 3249 Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  SFV15341  Ribes malvaceum var. malvaceum J. C. Dittes, P. Dittes 1990-3-17 52 Los Angeles Santa Monica Mountains Charmlee State Campground. 150 m west of gate near water seep on south side of road. 427 Comment
  RSA19891  Ribes malvaceum var. viridifolium I. W. Clokey 1930-4-2 4607 Los Angeles Mulholland Drive. Comment
  RSA441473  Ribes malvaceum var. viridifolium Bonnie C. Templeton 1931-4-2 s.n. Los Angeles Mulholland Drive. Comment
  RSA441480  Ribes malvaceum var. viridifolium Elbert Benjamine 1929-2-10 2028 Los Angeles Arroyo Seco, above Pasadena. Comment
  RSA441488  Ribes malvaceum var. viridifolium Ora M. Clark 1928-12-2 1317 Los Angeles N.E of Hollywood. Comment
  RSA733763  Ribes malvaceum var. viridifolium R. G. Swinney 2000-6-19 7825 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  UC921824  Ribes malvaceum var. viridifolium Ira W. Clokey, B. Templeton 1929-4-14 4455 Los Angeles Mandeville Canyon Santa Monica Mountains 450 Comment
  UCR272635  Ribes malvaceum var. viridifolium R. G. Swinney 2011-5-6 14592 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  RSA596416  Ribes nevadense Tim S. Ross 1990-6-11 3353 Los Angeles Big Rock Creek canyon. 120m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1732 Comment
  RSA787632  Ribes nevadense Jane Tirrell, Graham Bothwell, Walter Fidler, Thomas Stoughton 2012-5-15 LS 0046 Los Angeles Little Jimmy Springs. 2270 Comment
  UCR182643  Ribes nevadense R. G. Swinney 1997-7-16 5670 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  UCR209116  Ribes nevadense R. G. Swinney 2008-6-18 9076 Los Angeles San Gabriel Mountains, south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek 2012 Comment
  LA104041  Ribes quercetorum Barry A. Prigge; 1986-4-20 7023 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  RSA567152  Ribes roezlii Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3887 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
  CAS-BOT-BC144438  Ribes speciosum Ernest Braunton 1902-3-16 180 Los Angeles Eangle Rock Canyon [Canon] Comment
  CHSC14022  Ribes speciosum L. M. Mayer; I. J. Mayer 1974-4-6 135 Los Angeles 1/2 mi e of Topsia Park on Malibu Canyon. Las Virgenes Rd. Comment
  RSA454975  Ribes viburnifolium F. R. Fosberg 1931-5-5 S 4774 Los Angeles Santa Catalina Island, Bullrush Canyon 60 Comment
  SBBG41340  Ribes viburnifolium M. R. Benedict 1970-6-29 Los Angeles N side of west end, near Lorenzo Pt Comment
  RSA232707  Ricinus communis Larry E. DeBuhr, Gary D. Wallace 1972-9-2 696 Los Angeles San Clemente Island: Wilson Cove below barracks area. Comment
  RSA659681  Ricinus communis Chris White 1991-5-20 12 Los Angeles Point Fermin. Comment
  RSA0087035  Robinia pseudoacacia R. G. Swinney 2010-4-1 12148 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UCR23291  Romneya coulteri Kate Kramer 1981-5-31 58 Los Angeles Western Transverse Range; Santa Monica Mtns., 6 mi. west of Encinal Cyn Rd. and Mulholland Hwy intersection on Encinal Cyn. Rd 213 Comment
  UC14302  Rosa Miss Tichnor and Miss Johnston Jan. 1902 Los Angeles Pasadena Comment
  CAS-BOT-BC147475  Rosa californica Robert F. Thorne; M. Z. Thorne 1966-8-29 36609 Los Angeles San Gabriel Mts., Angeles National Forest: Big Pines Recreation Area, on north side of Jackson Lake at W end, on road from Big Pines to Valyermo 1859 Comment
  POM11794  Rosa californica Unspecified 1918-8-4 2121 Los Angeles Hills west of Pomona Comment
  RSA250512  Rubus leucodermis Robert F. Thorne, John Dourley 1967-10-10 37367 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  SEINET9300518  Rubus parviflorus Unknown 2008-7-2 9126 Los Angeles San Gabriel Mountains (Lat. 34 54' 53") Comment
  RSA584956  Rubus ursinus Tim S. Ross, Steve D. Boyd 1990-6-1 2775 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  UC861858  Rubus ursinus E. Lloyd 1933-4-8 Los Angeles Temescal Canyon Santa Monica Mts., Temescal Canyon Comment
  CATA2002  Rumex conglomeratus Steven A. Junak, Mark Hoefs, Misty Gay 1997-6-6 439 Los Angeles Santa Catalina Island: Along N end of Upper Buffalo Springs Reservoir, just NW of Airport 435 Comment
  UCSB70855  Rumex conglomeratus Burgess, Rick 1984-5-14 Los Angeles Westlake. Riparian area just SE of intersection of Lindero Canyon Rd with Thousand Oaks Blvd. Comment
  LA82485  Rumex crispus O. H. Kappler; 1941-3-3 96 Los Angeles SANTA MONICA MOUNTAINS, Santa Monica. Comment
  SD38934  Rumex crispus Edith A. Purer 1931-3-12 1011 Los Angeles Near El Segundo, roadside Comment
  JEPS39868  Rumex obtusifolius Joseph Andorfer Ewan 1932-7-4 7573 Los Angeles Millards Canyon San Gabriel Mts. (just below the falls) Comment
  SBBG131627  Rumex salicifolius S. A. Junak 1999-9-10 SCa 1086 Los Angeles S side of upper reservoir, Bulrush Cyn 316 Comment
  JEPS39860  Rumex salicifolius var. salicifolius F. W. Peirson 1918-6-18 29 Los Angeles Lower Rock Creek San Gabriel Mts. 1219 Comment
  PASA1150  Salazaria mexicana 4/28 Los Angeles near Palmdale Comment
  RSA611048  Salazaria mexicana Louis C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1159 Comment
  RSA713250  Salazaria mexicana LeRoy Gross 2005-5-3 2222 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
  CAS-BOT-BC103161  Salix bonplandiana Peter H. Raven 1962-5-20 17790 Los Angeles Santa Catalina Island, Cape Canyon Comment
  RSA0065851  Salix exigua var. hindsiana LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6782 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA594585  Salix gooddingii Louis C. Wheeler 1967-5-2 9280 Los Angeles San Gabriel Mountains. North side foothills ca. 0.3 mi. west of LA Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles County firearms closure map. 396 Comment
  SD253551  Salix gooddingii R. G. Swinney 2011-3-18 14166 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, SE of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  CAS-BOT-BC106945  Salix laevigata Timothy S. Ross; Darin Banks 1994-4-13 7520 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 487 Comment
  POM362609  Salix laevigata Anstruther Davidson 1897-1 605 Los Angeles San Clemente Island. Comment
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Nov 10 2010
  SD1009  Salix laevigata Mrs. H. P. Bracelin, F. R. Fosberg 1931-10-11 568 Los Angeles Lower Topanga Canyon, Santa Monica Mountains, stream bed 2.5 km west of Ocean Beach 14 Comment
  CATA3193  Salix lasiolepis Julia Parish, Margie Pfeffer 2016-8-18 005 Los Angeles Santa Catalina Island: Up drainage on south side of West End Rd., about 60 meters west of junction with Parsons Landing Rd. 68 Comment
  POM320744  Salix lasiolepis M. A. Clauser 1965-3-17 120 Los Angeles Evey Canyon. San Gabriel mtn range, Pacific slope drainage area. 762 Comment
  RSA584009  Salix lasiolepis Tim S. Ross, Steve D. Boyd 1991-4-25 4598 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  RSA597773  Salix lasiolepis Steve D. Boyd, Lauren Raz 1997-3-14 9185 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
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Jun 26 2008
  RSA656132  Salix lasiolepis Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 670 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UC492357  Salix lasiolepis F. R. Fosberg 1931-1-26 7172 Los Angeles at top of grade between Calabasas and Agoura 285 Comment
  UCR193728  Salix lasiolepis R. G. Swinney 1999-6-18 7299 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  UCR255840  Salix lasiolepis R. G. Swinney 2010-3-10 11830 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  POM362732  Salix lasiolepis Christopher Davidson 1973-4-6 1871 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  UC506469  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-15 7626 Los Angeles Comment
  CAS-BOT-BC107535  Salix lasiolepis var. lasiolepis Carl Epling; Lincoln Ellison 1930-3-1 s.n. Los Angeles Mandeville Canyon Comment
  CAS-BOT-BC107546  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 9 Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  CDA20916  Salsola australis M. O'Brien 2004-12-15 s.n. Los Angeles Southern California Coast; El Pescador State Beach. 7 Comment
  UCR198209  Salsola australis M. O'Brien 2004-10-14 s.n. Los Angeles Southern California Coast, Malibu Lagoon, along entry road 8 Comment
  RSA469659  Saltugilia splendens subsp. grantii Anstruther Davidson 1892-6-14 1944 Los Angeles Wilson's Peak Comment
  RSA561572  Saltugilia splendens subsp. grantii Steve Boyd, Walter Appleby 1993-5-24 8162 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along ridgeline on western side of Loop Canyon. 792 Comment
  RSA424350  Salvia apiana William Emboden 1970-6-12 11 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UCR139207  Salvia apiana William Emboden 1970-6-12 35 Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Blvd, 3.7 mi north of Topanga on the east bank of the road 457 Comment
  UCR222771  Salvia apiana R. G. Swinney 2009-5-9 10703 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 Comment
  SBBG117927  Salvia apiana C. G. Pringle 1882-4-27 Los Angeles Los Angeles County [no specific locality] Comment
  POM49968  Salvia apiana var. compacta A. D. E. Elmer 1902-06 3684 Los Angeles Acton, Mt. Gleason. Comment
  CHSC26066  Salvia carduacea M. Malody 1966-4-17 34 Los Angeles Mallard Canyon in the San Gabriel Mountains. 365 Comment
  RSA589261  Salvia carduacea Tim S. Ross 1991-4-27 4665 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg SW of Three Sisters [buttes]. 1003 Comment
  UC883866  Salvia carduacea L. R. Abrams 1927-4-30 11746 Los Angeles between Fairmont and Neeach; Antelope Valley Comment
  UCD125472  Salvia carduacea Michael Alvord; Marc Blain, Mark Meyers 1993-5-1 36 Los Angeles City of Llano, Mojave Desert, 0.9 mile east on Black Butte Basin Road from the intersection of Black Butte Basin Road and Largo Vista Road. 243 Comment
  OBI44794  Salvia columbariae David J. Keil, V. L. Holland, Michael Stiles, and Francis Villablanca 1987-5-1 20054 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  UCR269969  Salvia columbariae R. G. Swinney 2010-6-1 13112 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  UCR271459  Salvia columbariae R. G. Swinney 2011-6-14 15157 Los Angeles San Gabriel Mountains, upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road 1671 Comment
  RSA526609  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4191 B Los Angeles San Clemente Island. Upper reaches of China Cyn, S end of island, W side. Comment
  SD4298  Salvia dorrii var. pilosa Ruth B. Randall 1919-1 Los Angeles Palmdale Comment
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Apr 11 2012
  CAS-BOT-BC233664  Salvia leucophylla Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  IRVC28985  Salvia leucophylla A. C. Sanders 2003-6-19 26972 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA531260  Salvia leucophylla Walter Wisura 1991-7-21 4520 Los Angeles Puente Hills, upper Turnbull Canyon, below Skyline Drive. Comment
  RSA651799  Salvia leucophylla A. E. Hersh 1950-7-15 s.n. Los Angeles Saddle Peak Road leading down to ocean. 152 Comment
  CAS-BOT-BC229932  Salvia mellifera Alice Eastwood 1906-5-27 24 Los Angeles Garvanza Comment
  CATA58  Salvia mellifera USC Wrigley Interns: Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 36 Los Angeles Santa Catalina Island: Deer Valley Trail 92 Comment
  SEINET8018555  Salvia mellifera W. D. Billings 1951-6-18 2103 Los Angeles San Gabriel Range, hillside near Bigcone Spruces, Glendora Mt. Rd. 762 Comment
  UC1124834  Salvia mellifera G. T. Nordstrom 1935-1-8 307 Los Angeles 4.7 mi e Bear Mtn.; Tejon Quad. 944 Comment
  LA200597  Salvia spathacea Harlan Lewis; 1940-2-24 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA434068  Salvia spathacea G. R. Johnstone 1929-5-19 14896 Los Angeles Puerco Canon, Santa Monica Mts. Malibu estate 3-4 mi from ocean. Comment
  UCR247479  Salvinia oblongifolia R. E. Riefner Jr. 2008-7-28 08- 251 Los Angeles South Coast, Harbor City, Bixby Slough, vicinity of Dodge St at 255th St 11 Comment
  SEINET9291814  Sambucus canadensis var. canadensis Unknown 2008-7-15 9222 Los Angeles Winston Peak Comment
  RSA477541  Sambucus mexicana Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  RSA587230  Sambucus mexicana Orlando Mistretta 1994-5-11 1176 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  UCR170695  Sambucus mexicana Alex R. Van Dam 2004-4-25 037 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCSB16374  Sambucus nigra subsp. caerulea Hurst, Linda 1963-2-23 Los Angeles 20 feet E of North Kenter Road, 3 miles N of Sunset Blvb., 10 miles N of U.S. Highway 101 548 Comment
  RSA642517  Samolus parviflorus D. E. Bramlet 1999-5-14 2763 Los Angeles Diamond Bar Creek. 61m northwest of the 57/60 freeway and 368m south of Grand Avenue. 200 Comment
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Nov 7 2010
  CATA646  Sanicula arguta Mark L. Hoefs 1991-4-18 1116 Los Angeles Santa Catalina Island: By road above Parson's Landing 129 Comment
  RSA471444  Sanicula bipinnatifida E. Crow 1928-4-11 239 Los Angeles Hills southwest of Pomona. Comment
  RSA595421  Sanicula crassicaulis Mark Hoefs, Robert F. Thorne 1996-4-6 2643 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  UCR242035  Sanicula crassicaulis Dan S. Cooper 2012-4-30 412- 6 Los Angeles Santa Monica Mountains, Topanga, west end of Robinson Road/ Kim Trail, off North Topanga Canyon Blvd/Hwy 27 281 Comment
  CAS-BOT-BC283612  Schedonorus pratensis 1895-1-1 s.n. Los Angeles Near Oak Knoll, Pasadena Comment
  CDA4985  Schinus molle T. S. Ross 1991-4-21 4548 Los Angeles Whittier Hills (Puente Hills, pro parte): ridgetop between Turnbull and Sycamore Canyons. Comment
  CATA1125  Schismus arabicus Mark L. Hoefs 1995-5-23 2092 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  RSA675877  Schismus barbatus LeRoy Gross 2003-3-9 781 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway., Between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  UCR178854  Schismus barbatus LeRoy Gross 2003-3-9 781 Los Angeles Transverse Ranges, San Rafael hills, southwest side. A west-east trending ridge southwest of Flint Peak. Near Mount Carmel Drive, east of the Glendale Fwy (2), between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south 354 Comment
  UCR261133  Schismus barbatus R. G. Swinney 2010-6-21 13271 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UC1584239  Schoenoplectus acutus var. occidentalis Tim Ross, Steve Boyd 1990-6-6 2884 Los Angeles marshy portions at the n end Piru Pond; Liebre Mtn Quad., Los Padres National Forest, Piru Pond 644 Comment
  RSA640900  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1967-7-23 10179 Los Angeles San Gabriel Mountains. Mojave Desert slope: pond 1/2 mi W from Barrel Springs, San Andreas Rift Zone. Comment
  CAS-BOT-BC111237  Schoenoplectus californicus 1901-4-1 s.n. Los Angeles Ballona River Comment
  RSA92164  Scirpus acutus var. occidentalis F. W. Peirson 1918-4-28 1611 Los Angeles Southeast of El Monte. Comment
  UC840934  Scirpus microcarpus C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-5-13 4618 Los Angeles Bouquet Canyon Bouquet Canyon (marsh) 450 Comment
  RSA103937  Scrophularia californica C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  RSA149771  Scrophularia californica subsp. floribunda R. J. Shaw 1954-5-1 779 Los Angeles Evey Canyon, 5 miles north of Claremont. Comment
  SFV12416  Scrophularia californica subsp. floribunda D. L. Koutnik 1978-4-21 398 Los Angeles San Rafael Hills Glendale, at east end of Glenoaks Ave. near Scholl Canyon Park. 305 Comment
  CDA41982  Scrophularia peregrina T. S. Ross, Steve Boyd 1993-3-24 6819 Los Angeles RSABG; collected on the SE edge of Indian Hill Mesa (also observed in the Bernard Field Station to the E of the Botanic Garden) Comment
  CAS-BOT-BC341088  Scutellaria mexicana Robert F. Thorne 1973-5-11 43481 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4-1/2 mi N of Bob's Gap, N slope of Holcomb Ridge, c. 2 1/2 mi due S of Llano 1158 Comment
  POM222228  Secale cereale L. C. Wheeler 1936-6-21 4164 Los Angeles Palmer Canyon, San Gabriel Mts. 701 Comment
  UCR194033  Sedum spathulifolium R. G. Swinney 1998-7-28 6522 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  JEPS48028  Sedum spathulifolium Frank W. Peirson 1919-5-14 428 Los Angeles West Fork Eaton Canyon San Gabriel Mountains, West Fork Eaton Canyon 990 Comment
  CAS-BOT-BC61990  Selaginella asprella Louis C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon 1249 Comment
  POM946  Selaginella asprella Ivan M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canon 1753 Comment
  CAS-BOT-BC62023  Selaginella bigelovii E. R. Blakley 1962-10-3 5388 Los Angeles on north slope, east side of Black Jack Mountain, start of road to White's Landing, Santa Catalina Island 411 Comment
  LA94003  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-13 1733 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca 2.5 mi from mouth of canyon. 152 Comment
  RSA656422  Selaginella bigelovii Valerie Sosa, LeRoy Gross, Ruby Kopelov 2000-3-30 663 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 548 Comment
  UC399196  Selaginella bigelovii C. F. Millspaugh 1920-1-2 4502 Los Angeles road beyond Golf Links; Santa Catalina Isl. Comment
  CAS-BOT-BC62036  Selaginella bigelovii L. R. A. 1898-12-1 219 Los Angeles Eaton Canyon Comment
  CHSC25951  Senecio flaccidus var. douglasii James Henrickson 1971-10-14 7187 Los Angeles NE Claremont along Padua Hills Road. 457 Comment
  RSA0082411  Senecio flaccidus var. douglasii R. G. Swinney 2010-9-7 13677 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  SFV15329  Senecio vulgaris J. C. Dittes, D. Stolp 1990-3-10 43 Los Angeles San Gabriel Mountains Small, roadside gully off of Big Tujunga Canyon Road, 3.5 miles east of Angeles Forest Highway turnoff. Gully leads to reservoir. 762 Comment
  UCR138498  Senecio vulgaris L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  SBBG108987  Senecio vulgaris S. A. Junak 1997-3-7 SCl 735 Los Angeles just E of Camera Pad Horton 3, W side of Twin Dams Cyn 411 Comment
  UCR118600  Sesuvium verrucosum David Charlton, Lew Heide 1991-9-22 5622 Los Angeles Western Mojave Desert, Piute Ponds, SW side of Rosamond Dry Lake, Edwards Air Force Base 695 Comment
  CAS-BOT-BC438167  Sesuvium verrucosum Ernest Braunton 1902-7-1 574 Los Angeles Nigger Slough Comment
  RSA402666  Sesuvium verrucosum F. R. Fosberg 1930-6-23 S- 2968 Los Angeles Del Rey. 0 Comment
  CAS-BOT-BC243583  Setaria parviflora T. C. Fuller 1967-1-23 15436 Los Angeles San Diego Freeway, SW corner of Montana Ave. and Sepulveda Blvd., n.w. of Westwood Comment
  RSA483325  Setaria parviflora Gary D. Wallace 1979-5-3 1841 Los Angeles L.A. County Arboretum, Arcadia. Comment
  RSA483337  Setaria parviflora Robert Gustafson 1981-5-15 2220 Los Angeles Ballona Wetlands, Area 3. Comment
  UCR108643  Setaria viridis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  UCSB469  Setaria viridis B., K. 1943-8-21 Los Angeles Volfe Canyon above end of road, San Dimas Experimental Forest, San Gabriel Mountains Comment
  CATA2050  Silene antirrhina Steven A. Junak 1998-6-13 739 Los Angeles Santa Catalina Island: Coastal slopes just W of beach at Little Harbor 48 Comment
  UCR154141  Silene antirrhina A. C. Sanders 2005-5-11 30166 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
  RSA248874  Silene antirrhina R. F. Thorne 1973-4-12 42971 Los Angeles San Clemente Island, large canyon S of Mosquito Cove, N of Chenity. 274 Comment
  SD43595  Silene californica Darley F. Howe 1948-5-4 Los Angeles Bouquet Canyon. 609 Comment
  UC56297  Silene gallica H. M. Hall April, 1903 3729 Los Angeles near Los Angeles; near Los Angeles Comment
  RSA226193  Silene gallica Gary D. Cromwell, David W. Wheat 1971-5-8 636 Los Angeles Mystic Canyon, 2 mi NE of Glendora 426 Comment
  UC8443  Silene gallica H. P. Chandler 1897-5-11 Los Angeles Claremont 396 Comment
  CAS-BOT-BC174890  Silene laciniata Timothy S. Ross 1992-5-24 6414 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 475 Comment
  CAS-BOT-BC174891  Silene laciniata Wesley O. Griesel 1961-6-4 s.n. Los Angeles San Rafael Hills 609 Comment
  POM177959  Silene laciniata subsp. major Joseph A. Ewan 1931-5-16 4207 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 304 Comment
  RSA477913  Silene laciniata subsp. major James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  RSA629690  Silene parishii Scott D. White, David E. Bramlet 1998-8-11 7049 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  SBBG71671  Silene verecunda A. J. McClatchie 1893-4-28 Los Angeles Pasadena 1524 Comment
  UC534849  Silene verecunda subsp. platyota Victor Duran 1933-7-24 3530 Los Angeles Buckhorn , Buckhorn (San Gabriel Mts.) 1981 Comment
  SFV20997  Silybum marianum L. Gross 2003-5-4 819 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along east side of Brand Canyon a short distance above the large waterfall near above coordinates. Near level area above river bottom. 393 Comment
  UCR205117  Silybum marianum R. G. Swinney 2008-4-17 8679 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  UCD135880  Silybum marianum Robert F. Thorne 1971-3-31 41460 Los Angeles San Gabriel Mts. Johnson's Pastures, north of Mountain Ave., Claremont. 548 Comment
  UC397411  Sinapis arvensis P. A. Munz 1921-4-15 4407 Los Angeles s of town of Claremont Claremont 365 Comment
  RSA699880  Sisymbrium altissimum LeRoy Gross, Ted Anderson 2004-5-3 1218 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) 1333 Comment
  SBBG72151  Sisymbrium altissimum R. Hoffmann 1927-4-30 Los Angeles Mint Cyn, Oak's Garage Comment
  SD124476  Sisymbrium altissimum Barry Prigge 1986-3-20 6968 Los Angeles Tehachapi Mountains: 0.4 mile east of Gorman on Lancaster Road. 1232 Comment
  CATA2970  Sisymbrium irio Amy Catalano 2016-1-27 007 Los Angeles Santa Catalina Island: Mushroom Flats, about 1/8 mile down canyon from Quail Valley 125 Comment
  UC557721  Sisymbrium irio Nell Murbarger March, 1936 63 Los Angeles San Clemente Island Comment
  LA202438  Sisymbrium officinale Arthur C. Gibson; 2006-5-13 5106 Los Angeles Santa Monica Mountains, Nicholas Flat, along trail Comment
  UCR259919  Sisymbrium orientale R. G. Swinney 2010-3-16 11949 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
  SBBG51209  Sisymbrium orientale M. R. Benedict 1971-6-25 Los Angeles ca. 1 mi N of Test Stn, N of Wilson Cove Comment
  RSA592414  Sisyrinchium bellum Mark Hoefs 1974-5-2 451 Los Angeles Santa Catalina Island: above Parsons Landing 61 Comment
  OBI35968  Sisyrinchium bellum J & B Semple, B Semple 1981-8-14 5616 Los Angeles E of Kratka Bridge, along crk Comment
  RSA756987  Solanum americanum A. C. Sanders 2009-11-6 37209 Los Angeles Madrona Marsh, Torrance 24 Comment
  POM156342  Solanum douglasii L. R. Abrams 1902-5-31 2488 Los Angeles Inglewood. Comment
  SBBG42269  Solanum douglasii M. B. Dunkle 1939-11-24 7339 Los Angeles Mosquito summit 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
  UC1584737  Solanum douglasii Tim Ross, Annette Ross 1991-6-3 5518 Los Angeles Elephant Hill, west Pomona Elephant Hill; , west Pomona 262 Comment
  UCR276733  Solanum douglasii R. G. Swinney 2010-8-11 13512 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  UCR282215  Solanum douglasii Dan S. Cooper 2015-10-14 1015- 01 Los Angeles Western Transverse Range; Santa Monica Mtns., Los Angeles, Griffith Park, Vermont Canyon 259 Comment
  SBBG31536  Solanum douglasii R. M. Beauchamp 1967-3-17 243 Los Angeles near rocks E of Wilson Cove Comment
  POM293656  Solanum umbelliferum Lyman D. Benson 1945-6-5 11759 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
  RSA0094391  Solanum umbelliferum Richard G. Swinney 2011-5-31 14910 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
  RSA427426  Solanum umbelliferum C. Epling, Louis C. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  RSA585927  Solanum umbelliferum Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2934 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA714191  Solanum umbelliferum E. A. Purer 1935-5-11 6544 Los Angeles Hillside, Malibu Road Comment
  CAS-BOT-BC156509  Solanum umbelliferum Prof. W. R. Dudley 1907-12-18 s.n. Los Angeles Sawpit [Canon] Canyon (near Monrovia) Comment
  RSA578807  Solanum umbelliferum Tim S. Ross, Darin Banks 1994-4-13 7552 Los Angeles Lower Clearwater Canyon: canyon bottom near stream, at margin of chaparral; ca 1545 m ESE of Plum Spring and ca 770 m W of San Francisquito Powerhouse No. 1. 669 Comment
  UC884942  Solanum umbelliferum I. W. Clokey, B. C. Templeton 1930-4-8 4643 Los Angeles San Francisquito Canyon, nw L.A. County San Francisquito Canyon Comment
  IRVC28162  Solanum xanti A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26276 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  RSA764702  Solanum xanti Scott D. White, Michael Honer 2003-5-7 9229 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 Comment
  SBBG21161  Solanum xanti E. C. Twisselmann 1964-6-10 9619 Los Angeles fork at head of Castaic Valley 1310 Comment
  SEINET6055932  Solanum xanti C. F. Baker 1903-3-16 4059 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCSB9424  Solanum xanti Wedberg, H. 1957-3-16 Los Angeles Faculty Hill, UCLA Comment
  JEPS30425  Solidago velutina subsp. californica Peter H. Raven 1959-10-16 14647 Los Angeles 0.8 mi s Boquet Canyon Guard Station (along stream); Boquet Canyon Comment
  LA209938  Sonchus oleraceus Monte Lloyd; 1950-7-31 500731 953 Los Angeles Campus of University of California at Los Angeles 121 Comment
  LA212314  Sonchus oleraceus Bill Bozarth; 1949-7-11 s.n. Los Angeles Conoga Park. Comment
  POM361387  Sonchus oleraceus N. C. Cooper 1942-10-1 2018 Los Angeles Hancock Bld. campus. Univ. So. Calif. Growing in bed of Pfitzer Juniper. Comment
  RSA649603  Spartium junceum Lori Ackerman, Gerald Braden 1988-4-22 9 Los Angeles North end of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  UCR95431  Spartium junceum Steve Boyd, Orlando Mistretta 1996-5-23 8819 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 500 Comment
  CAS-BOT-BC389949  Spergula arvensis Louis C. Wheeler 1932-3-12 487 Los Angeles La Verne 304 Comment
  POM98128  Spergula arvensis P. A. Munz 1925-3-1 s.n. Los Angeles Claremont Comment
  RSA232821  Spergularia macrotheca R. F. Thorne 1966-4-15 36019 Los Angeles San Clemente Island, 0.5 mile SSE of Eel Point, SW side of island 0 Comment
  SBBG96698  Spergularia macrotheca var. macrotheca S. Boyd with T. Ross, L. Arnseth 1990-4-7 4250 Los Angeles lower half of China Cyn, W side Comment
  SBBG98636  Spergularia macrotheca var. macrotheca T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5101 Los Angeles North Head; WNW of the new landing field 15 Comment
  CDA24140  Spergularia marina T. C. Fuller 1981-4-1 20350 Los Angeles Below Salicornia, Ballona Marsh, 210 meters north of 431 East Culver Boulevard, Playa del Rey. 0 Comment
  SEINET3372082  Spergularia rubra G. Rink 2011-6-6 10598 Los Angeles Just south of the Triple Clays Shooting Range in Whittier, weedy place 55 Comment
  CATA1494  Spergularia villosa Mark L. Hoefs, Steven A. Junak 1996-5-1 2701 Los Angeles Santa Catalina Island: Road to Lone Tree, past Upper Road to Avalon Canyon 463 Comment
  POM1131  Sporobolus airoides W. R. Dudley, F. H. Frank 1896-6-6 [ 4321 ] Los Angeles Lancaster. Comment
  RSA446631  Stachys bullata R. Kirkland 1928-3-28 s.n. Los Angeles Palos Verdes Hills. Comment
  SFV12374  Stachys bullata D. L. Koutnik, V. Dawes 1978-5-12 480 Los Angeles Santa Monica Mountains Arroyo Sequit along Mulholland Highway. 549 Comment
  HSC79817  Stachys rigida var. quercetorum Richard S. Hood 1970-4-16 300 Los Angeles In Pasadena at Arroyo Seco Park on fire road, 1/4 mile S of Pasadena freeway opposite Ave. 57 183 Comment
  HSC35977  Stanleya pinnata Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2175 Los Angeles Beside Hwy. 5, just E of junction with Hwy. 138 915 Comment
  SBBG112779  Stebbinsoseris heterocarpa S. A. Junak 1998-4-4 SCa 526 Los Angeles Little Ripper's Cyn, just inland from beach 36 Comment
  SBBG131631  Stebbinsoseris heterocarpa S. A. Junak 1999-4-23 SCa 853 Los Angeles plant stop [ridge rd E of Mt Torquemada Trail] 347 Comment
  SFV22036  Stellaria nitens V. Soza, L. Gross, B. Hogshead 2001-4-18 1150 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. North-northwest-facing upper slope of ridgetop. 412 Comment
  UCD86396  Stenotaphrum secundatum Peter H. Raven 1957-10-10 11403 Los Angeles West Los Angeles, University of California campus. Comment
  CAS-BOT-BC375147  Stephanomeria cichoriacea Peter H. Raven; Henry J. Thompson 1958-10-11 13744 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Las Tunas Canyon at Coast Highway 152