Search Results — 2000 specimen records retrieved (1576 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  UCR141176  Abies concolor June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek site, Fenner Canyon 1768 Comment
  RSA0025887  Abronia umbellata Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4251 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SDSU8418  Abronia umbellata subsp. alba R. M. Beauchamp 1967-1-28 129 Los Angeles San Clemente Island Comment
  RSA651427  Acacia cultriformis M. L. Becker 1948-2-13 s.n. Los Angeles Priv. Res. Los Angeles 30 Comment
  UCR172740  Acacia cyclops Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  CATA3274  Acacia melanoxylon Ben Dion, Julia Parish 2017-1-30 006 Los Angeles Santa Catalina Island: Interior; Black Jack Campground: south of restrooms and lockers 461 Comment
  CAS-BOT-BC30943  Acamptopappus sphaerocephalus R. S. Ferris 1918-6-12 945 Los Angeles 5 mi south of Lancaster Comment
  SFV2163  Acer macrophyllum P. G. Kilburn 1958-4-11 708 Los Angeles Santa Susana Mountains Oat Mountain, north slope ravine. 945 Comment
  UC440404  Acer macrophyllum Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topango Canyon Santa Monica Mountains, Topango Canyon Comment
  SEINET12766394  Acer macrophyllum Jerry Turney 1987-4-19 8 Los Angeles Lower Eaton Canyon San Gabriel Mtns.; 0 Comment
  CAS-BOT-BC21680  Achillea millefolium George B. Grant; Walter Wheeler 1904-4-21 18 /4923 Los Angeles Santa Catalina Island Comment
  CATA118  Achillea millefolium Mark L. Hoefs, A. Douglas Propst 1973-3-14 91 Los Angeles Santa Catalina Island: Ridge between Cape and Skull Canyons 304 Comment
  RSA773912  Achillea millefolium R. G. Swinney 2009-7-22 11345 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA660038  Achillea millefolium Mary De Arche 1981-5-8 81 -81 Los Angeles 3.5 mi E on East Fork Road. 793 Comment
  UC1131584  Achnatherum hymenoides A. D. Gifford 1935-4-21 615 Los Angeles 2 1/2 mi nnw Manzana; Tejon Quadrangle Comment
  UC641627  Achnatherum hymenoides G. L. Stebbins Jr. 1939-6-16 2860 Los Angeles 5 mi s Gorman (along US Hwy 99) 1005 Comment
  RSA230703  Achnatherum parishii R. F. Thorne, M. Z. Thorne 1969-7-9 38483 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station 2119 Comment
  SBBG57064  Achnatherum speciosum R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  CATA1478  Achyrachaena mollis Mark L. Hoefs, Steven A. Junak 1996-4-30 2675 Los Angeles Santa Catalina Island: Road to Isthmus (from Avalon), just past gate and Isthmus summit reservior 106 Comment
  SD212604  Acmispon americanus Jennifer H. Jones 2006-6-4 376 Los Angeles Foothills of San Gabriel Mountains, southwest of Claremont Wilderness Park near the west end of Pomello Drive. 476 Comment
  UC15673  Acmispon argophyllus var. argenteus Blanche Trask May 1896 Los Angeles Avalon, Santa Catalina Island. Comment
  UCD104082  Acmispon brachycarpus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  LA48003  Acmispon dendroideus var. dendroideus F. R. Fosberg; 1932-5-6 8115 Los Angeles Santa Catalina Island, ridge above Villa Park, Avalon 60.0 Comment
  SBBG120134  Acmispon glaber A. C. Sanders, M. Elvin et al 2003-4-14 25966 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  LA91430  Acmispon glaber var. glaber Bruce Douglas Clayton; Greg Shaw 1972-3-30 30 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, halfway out Drawbridge firebreak 614 Comment
  SEINET10407828 Image available Acmispon glaber var. glaber Walter Wheeler 1904-7-15 711 Los Angeles Covina Comment
  SBBG108970  Acmispon micranthus S. A. Junak 1997-4-8 SCl 789 Los Angeles just N of upper portion of Wall Rock Cyn 310 Comment
  SBBG128230  Acmispon micranthus M. L. Hoefs, S. A. Junak 2000-4-14 3075 Los Angeles hillside about halfway between Airport Rd and Goat Harbor 469 Comment
  SBBG31487  Acmispon micranthus R. F. Thorne 1966-4-5 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SD13187  Acmispon strigosus Edith A. Purer 1935-5-12 6599 Los Angeles El Segundo, old sand dunes Comment
  CATA2157  Acmispon wrangelianus Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-6-11 715 Los Angeles Santa Catalina Island: Along horse trail/fire road on E side of Avalon Canyon, across from Quail Canyon and above baseball field 106 Comment
  SEINET10799353  Acroptilon repens David B. Dunn 1948-6-21 Dunn 3835 Los Angeles Collected 1/2 way between Lancaster and Mojave, along road bank. Comment
  CDA25689  Adenostoma fasciculatum T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
  UC1127709  Adenostoma fasciculatum A. D. Gifford 1934-4-24 157 Los Angeles 2 mi. n.e. Castro Peak; Triunfo Pass Quad. Comment
  RSA724444  Adenostoma fasciculatum var. fasciculatum K. Dobry 1991-5-13 504 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  CAS-BOT-BC139855  Adenostoma sparsifolium K. Kneen 1933-8-25 s.n. Los Angeles Foot of Saddle Peak, Santa Monica Mts. Comment
  LA52129  Adenostoma sparsifolium Harvey Anderson; August 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR194596  Adiantum aleuticum R. G. Swinney, Dave Larson 1999-6-25 7399 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  CAS-BOT-BC65572  Adiantum capillus-veneris L. L. K. 1962-9-23 152 Los Angeles Santa Monica Mtns., Malibu Canyon 274 Comment
  RSA729547  Adiantum capillus-veneris R. G. Swinney 1999-7-14 7559 Los Angeles San Gabriel Mtns.: Eask Fork San Gabriel River Canyon, c. 0.25 mi. north of Laurel Gulch. 713 Comment
  POM158005  Adiantum jordanii M. B. Dunkle 1928-3-31 1776 Los Angeles Campo Blanco. Santa Catalina Island. 183 Comment
  RSA687708  Adiantum jordanii Richard C. Barkelew 1929-4-23 s.n. Los Angeles Malibu Mountains. Comment
  UCR53151  Aegilops ovata B. Lennart Johnson 1964-1 s.n. Los Angeles Grown at University of California, Los Angeles 152 Comment
  UCR255780  Ageratina adenophora R. G. Swinney 2010-4-15 12269 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  RSA657459  Ageratina adenophora J. Keeling 1980-5-26 21 Los Angeles Verdugo Mountains; South end of dam. Beginning of Childs Canyon, 500 yards east of Allen Street. Glendale. 335 Comment
  RSA416398  Agoseris heterophylla var. heterophylla Anstruther Davidson 1895-5-6 s.n. Los Angeles Antelope Valley. Crane's Lake. Comment
Read comments
Dec 1 2015
  UCR190351  Agoseris retrorsa R. G. Swinney 2001-6-16 7970 Los Angeles San Gabriel Mtns., Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons 1951 Comment
  CAS-BOT-BC13417  Agoseris retrorsa Timothy S. Ross; Steve Boyd 1990-5-17 2559 Los Angeles N side of Mt Gleason Road about the E headwaters of Gleason Canyon, about about 2 air miles E of Mt Gleason summit 1767 Comment
  UC1408984  Agoseris retrorsa Robin S. Collins 1973-5-28 304 Los Angeles 2.5 mi into (from beginning of pack trail) Trail Canyon; Angeles National Forest, San Gabriel Mts. 853 Comment
  RSA188278  Agrostis pallens R. F. Thorne 1966-6-1 36459 Los Angeles Santa Catalina Island: SE of Avalon 15 Comment
  HSC24471  Agrostis stolonifera R. F. Thorne, M. Z. Thorne 1969-7-9 38562 Los Angeles San Gabriel Mountains, Angeles National Forest; upper part of large sloping meadow at Big Pines 2088 Comment
  JEPS68411  Agrostis viridis Elizabeth Day Palmer 1908-7 Los Angeles Los Angeles Comment
  CAS-BOT-BC135894  Allium haematochiton John Thomas Howell 1928-3-2 3359 Los Angeles Vermont Canyon [Canon], Griffith Park Comment
  SD69738  Allium peninsulare Robert F. Thorne 1966-4-30 36340 Los Angeles Santa Catalina Island, on sea bluff above beach at mouth of Gallagher's Canyon. 7 Comment
  RSA410059  Allophyllum divaricatum Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  RSA71859  Allophyllum divaricatum F. W. Peirson 1923-10-26 293 Los Angeles Big Dalton Canyon, San Gabriel Mountains. 762 Comment
  SEINET2444422  Allophyllum divaricatum I. M. Johnston 1917-7-1 1439 Los Angeles San Antonio Mountains. 1067 Comment
  RSA0031449  Allophyllum divaricatum Orlando Mistretta, Christine Mistretta 2008-5-16 3090 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 107 per TRTP Survey 2008), Upper Fish Canyon 1073 Comment
  RSA698745  Allophyllum gilioides subsp. violaceum LeRoy Gross, Paul Morton 2004-6-10 1372 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1432 Comment
  LA52306  Allophyllum glutinosum Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA410087  Allophyllum glutinosum M. B. Dunkle 1931-4-22 2442 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  UC440420  Allophyllum glutinosum Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topango Canyon Santa Monica Mts., Topango Canyon Comment
  RSA726059  Allophyllum integrifolium R. G. Swinney 1997-6-25 5633 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
  RSA452783  Alnus rhombifolia Ora M. Clark 1929-2-3 1508 Los Angeles Topango [Topanga] Canyon Comment
Read comments
May 29 2014
  UCR48961  Aloe saponaria A. C. Sanders 1987-7-22 7182 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  UCR149783  Amaranthus albus Scott D. White, Pam Devries 2004-6-14 10496 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  LA31598  Amaranthus albus Peter H. Raven; Henry J. Thompson 1959-6-4 14330 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA598663  Amaranthus albus L. C. Wheeler 1966-11-23 9147 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  RSA611362  Amaranthus albus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA3744  Amblyopappus pusillus C. B. Wolf 1932-5-11 3569 Los Angeles Santa Catalina Island. On point at west side of Fourth of July Cove. Comment
  SBBG12908  Amblyopappus pusillus E. R. Blakley 1962-6-10 5232 Los Angeles SE of Eel Pt, halfway toward Seal Cove 6 Comment
  UCR76407  Amblyopappus pusillus T. S. Ross, E. Kellogg 1992-4-13 6140 Los Angeles Channel Islands, NW part of San Clemente Island, terrace in vicinity of Darter 18 Comment
  RSA481993  Ambrosia acanthicarpa Richard Noyes 1988-9-18 744 Los Angeles Behind San Antonio Dam 701 Comment
  RSA416893  Ambrosia acanthicarpa F. R. Fosberg 1931-11-7 7206 Los Angeles Small creek near Castaic, Santa Clara Valley. 300 Comment
  RSA317012  Ambrosia chamissonis Thomas S. Elias, Walter Wisura 1984-9-27 8519 Los Angeles North of Malibu ; Point Dume. Comment
  SBBG12893  Ambrosia chamissonis E. R. Blakley 1962-6-10 5251 Los Angeles large dunes near Wall 2 9 Comment
  CDA9972  Ambrosia confertiflora T. S. Ross 1991-3-9 4179 Los Angeles Whittier Hills (Puente Hills, pro parte): Southeast side of ridgetop knoll, head of Oak Canyon. Comment
  CAS-BOT-BC55598  Ambrosia psilostachya J. Ewan 1931-10-24 5267 Los Angeles North shore Malibu Lake, Santa Monica Mts. Comment
  CAS-BOT-BC142545  Amelanchier utahensis Wesley O. Griesel 1959-5-3 s.n. Los Angeles Big Pines - San Gabriel Mtns. 1524 Comment
  UC1925831  Amelanchier utahensis Larry Kelly and Dave Keil 1989-4-21 354 Los Angeles Along Big Pine Highway Comment
  SEINET6050842  Amorpha californica Unknown 1996-5-16 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
Read comments
Oct 27 2015
  CAS-BOT-BC180602  Amorpha californica var. californica Geo. B. Grant 1904-5-19 6239 Los Angeles Mt. Wilson 1219 Comment
  RSA177944  Amorpha californica var. californica Joseph A. Ewan 1931-5-16 4212 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 304 Comment
  CATA2811  Amsinckia intermedia Howard L. Ferguson 1980-3-10 199 Los Angeles San Clemente Island: NW end of island near large antennae 30 Comment
  SBBG131616  Amsinckia intermedia S. A. Junak 1999-4-24 SCa 872 Los Angeles Cape, E of Empire Landing Rd, NW-facing slope 213 Comment
  UCR269885  Amsinckia intermedia Jeremiah George 2015-4-10 415- 09 Los Angeles Western Mojave Desert, Lancaster, southeast of intersection of West Ave. I and 30th St. West, north of Jackman St. 708 Comment
  RSA0079982  Amsinckia intermedia R. F. Thorne 1973-4-12 42958 Los Angeles San Clemente Island: Large canyon S of Mosquito Cove, N of Chenity. 335 Comment
  RSA499944  Amsinckia intermedia M. B. Dunkle 1939-4-4 7263 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  SEINET13710411  Amsinckia intermedia J. Adams, J. Adams (Botany) 1965-1 67 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  SFV22094  Amsinckia menziesii P. J. De Vries 2011-6-16 7772 Los Angeles San Gabriel Mountains Southwest portion of Liebre Mountains. About 0.33 air miles west-northwest of the intersection of San Francisquito Canyon Road and Riverview Road, north of the city of Santa Clarita in low hills just west of San Francisquito Creek. 427 Comment
  RSA0089955  Amsinckia retrorsa F. W. Peirson 1919-3-26 361 Los Angeles South side of New York Drive, east of Hill Ave., Altadena. Comment
  POM369890  Amsinckia spectabilis Jack Rempel 1932-3-19 s.n. Los Angeles El Segundo. Comment
  RSA0012036  Amsinckia tessellata A. C. Sanders 2006-4-11 32046 Los Angeles Antelope Valley, NE of Palmdale, 90th St. East in vicinity of Ave. O . 793 Comment
  RSA0103784  Amsinckia tessellata R. G. Swinney 2011-4-20 14463 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UCR126884  Ancistrocarphus filagineus A. C. Sanders 2003-4-29 26169 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  SD255636  Anisocoma acaulis Mitch Provance, Callen Huff 2009-4-28 10673 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, ca. 1.3 miles ENE of Gorman. 1371 Comment
  UCR265025  Anisocoma acaulis Mitch Provance, Callen Huff 2009-4-28 10673 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  UCR280742  Anisocoma acaulis R. G. Swinney 2014-4-23 16165 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
  RSA608934  Anthemis cotula L. C. Wheeler 1931-5-6 s.n. Los Angeles San Dimas: Puddingstone. Comment
  LA32247  Antirrhinum coulterianum Peter H. Raven; Henry J. Thompson 1959-5-5 14154 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, 4.1 mi NW of Tapia Park on road to Malibu Lake. 182 Comment
  POM354839  Antirrhinum coulterianum N. C. Cooper 1949-6-29 4359 Los Angeles San Gabriel Canyon. 457 Comment
  RSA189643  Antirrhinum coulterianum Noel Holmgren, James L. Reveal 1966-5-30 2612 Los Angeles San Gabriel Mountains, Tujunga Creek Canyon, 1/2 mile west of Wickiup Campground. 976 Comment
  SD107884  Antirrhinum nuttallianum subsp. subsessile Mark Hoefs, Doug Propst 1973-5-4 227 Los Angeles Santa Catalina Island; by Thompson Dam, Middle Canyon 213 Comment
  JEPS27405  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven and Henry J. Thompson 1960-5-16 15387 Los Angeles ridge e Temescal Canyon; Santa Monica Mountains 243 Comment
  SD69360  Aphanisma blitoides Robert F. Thorne, P. Everett 1965-5-11 34528 Los Angeles Santa Catalina Island, east side of Catalina Harbor, near Ballast Point 49 Comment
  RSA470374  Apiastrum angustifolium H. de Forest 1926-1 s.n. Los Angeles Verdugo Woodlands. Comment
  CDA5332  Apium graveolens T. C. Fuller 1961-5-11 7264 Los Angeles Northeast of Lemon Avenue & Vejar Road, Walnut. 0 Comment
  RSA402582  Aptenia cordifolia Freda Detmers 1932-11-27 s.n. Los Angeles 3 miles N of mouth of Topanga Canyon. Comment
  SD129269  Aptenia cordifolia A. C. Sanders 1987-12-4 7448 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Dr 29 Comment
  POM366914  Aquilegia formosa Geo. L. Moxley 1915-7-4 360 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA0125859  Arabidopsis thaliana Valerie Soza, Bill Hogshead 2003-4-23 1640 Los Angeles Brand Park, Brand Canyon. 457 Comment
  RSA0126362  Arabis glabra var. glabra R. G. Swinney 2009-6-3 11059 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA659849  Arabis glabra var. glabra Orlando Mistretta, Mike Hammitt 1991-5-29 s.n. Los Angeles Monrovia Canyon. Comment
  UCR204025  Arceuthobium campylopodum R. G. Swinney 2001-9-15 8149 Los Angeles San Gabriel Mountains, Little Jimmy Campground on Pacific Crest Trail 2268 Comment
  SD45236  Arctostaphylos catalinae Reid Moran 1949-2-8 3153 Los Angeles Santa Catalina Island; canyon above White's Landing. 455 Comment
  UC792943  Arctostaphylos catalinae Reid Moran 1949-2-8 3153 Los Angeles Whites Canyon Santa Catalina Id. 457 Comment
  SEINET11988232  Arctostaphylos catalinae A. Seneres, Seneres, M.; Hoefs, M. L. 1981-1 s.n. Los Angeles Blackjack Canyon Rd & Airport Rd, Santa Catalina Island Comment
  UCD50481  Arctostaphylos catalinae Robert F. Thorne; P. Everett 1965-5-11 34669 Los Angeles Near road to Hay Press; Santa Catalina Island. 457 Comment
  RSA631211  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21981 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA626798  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley 1978-9-4 7239 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1650 Comment
  CAS-BOT-BC23243  Arctostaphylos glandulosa subsp. glandulosa LeRoy Abrams 1901-4-13 1520 Los Angeles Wilson's Trail 1219 Comment
  LA105369  Arctostaphylos glandulosa subsp. glandulosa Barry A. Prigge; 1989-4-23 8471 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 457 Comment
  POM367281  Arctostaphylos glandulosa subsp. mollis Anstruther Davidson s.n. Los Angeles Hollywood. 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
  RSA626804  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1992-10-15 22096 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  RSA626810  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1992-10-15 22093 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  RSA0055758  Arctostaphylos glauca R. G. Swinney 2010-5-19 12809 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd. just 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
  RSA631526  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15656 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  RSA631534  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15744 Los Angeles Santa Clara Divide Road (3N17), 2 km off Sand Canyon Road. 900 Comment
  RSA631575  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15967 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631683  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15694 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA127428  Arctostaphylos glauca var. glauca H. J. Thompson 1959-2-23 1849 Los Angeles north side of main crest of mountains, north-west slope of Castro Peak, 1.0 mile sout-east of Mulholland Highway, Latigo Canyon Road 595 Comment
  RSA157966  Arctostaphylos parryana Marcus E. Jones 1927-8-1 s.n. Los Angeles San Gabriel Mountains. Swartout [Swarthout] Valley. Comment
  RSA70415  Arctostaphylos parryana F. W. Peirson 1922-7-6 3196 Los Angeles hills immediately south of divide, Big Pines, north side of San Gabriel Mountains 2104 Comment
  RSA634698  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20304 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA634747  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20602 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634812  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20477 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA634870  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20270 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635127  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20288 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  POM156715  Arctostaphylos patula L. R. Abrams 1902-7-12 2703 Los Angeles Mt. San Antonio 2744 Comment
  RSA732849  Arenaria macradenia R. G. Swinney 2001-5-18 7938 Los Angeles Mojave Desert: Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy. 138. 1284 Comment
  RSA423573  Arenaria macradenia Bonnie C. Templeton 1931-4-19 s.n. Los Angeles Mojave Desert. Comment
  SD113375  Arenaria macradenia Darley F. Howe 1947-5-4 1566 Los Angeles Dry hillside east of Mint Canyon, western Mojave Desert. 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
  CAS-BOT-BC401703  Argemone munita subsp. munita A. D. E. Elmer 1902-6-1 3721 Los Angeles Acton Comment
  CAS-BOT-BC248307  Argyranthemum foeniculaceum R. E. Riefner, Jr. 2011-8-19 11 -103 Los Angeles Palos Verdes Peninsula, Malaga Cove, north ca. 0.2 mi from Paseo del Mar St. at Palos Verdes Dr. West 89 Comment
  POM182057  Argyrochosma jonesii L. C. Wheeler 1933-2-22 1475 Los Angeles Little Rock Creek. 1066 Comment
  RSA202459  Aristida adscensionis var. modesta R. L. Armacost 1963-5-7 1640 Los Angeles Santa Monica. Comment
  RSA249731  Aristida adscensionis var. modesta R. F. Thorne, M. Z. Thorne 1973-2-12 42473 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman's Cove. 46 Comment
  UCD56355  Aristida divaricata Marcus E. Jones 1882-5-3 3216 Los Angeles Pasadena. Comment
  SFV7064  Artemisia biennis T. Gordon, M. H. Grayum, D. R. Perry, K. Felt 1974-11-3 764 Los Angeles Santa Monica Mountains Malibu Creek, about 0.5 miles from ocean. Comment
  POM18214  Artemisia californica Philip A. Munz 1923-4-10 6713 Los Angeles San Clemente Island; wall of canyon S of 'Lemon Tank' Comment
  RSA417233  Artemisia californica M. B. Dunkle 1928-10-14 2015 Los Angeles Santa Catalina Island. Renton Mine Comment
  UCR218003  Artemisia californica A. C. Sanders, Dan S. Cooper 2010-8-5 38566 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  SD251654  Artemisia californica M. B. Dunkle 1939-11-24 7342 Los Angeles San Clemente Island; mosquito summit. Comment
  RSA0103475  Artemisia douglasiana R. G. Swinney 2011-10-18 15810 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1021 Comment
  SFV14459  Artemisia douglasiana J. L. Reveal 1987-9-9 3879 Los Angeles Santa Susana Mountains Limekiln Canyon, north of Rinaldi. 396 Comment
  SEINET11853293  Artemisia douglasiana I. W. Clokey, Templeton, B. 1929-1 4594 Los Angeles Mandeville Canyon, Santa Monica Mts 200 Comment
  RSA0021697  Artemisia dracunculus Duncan S. Bell, Caitlin Elam 2013-6-24 5270 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
  RSA638230  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1967-9-4 10648 Los Angeles San Gabriel Mountains: Pine Mountain Ridge 2241 Comment
  UC284781  Artemisia nesiotica P. A. Munz 1923-4-9 6615 Los Angeles San Clemente Island Comment
  LA202946  Artemisia tridentata T. A. Geissman; TAG- 41766 -ATS Los Angeles E of Saugus at start of Bouquet Canyon Road Comment
  RSA0094083  Artemisia tridentata Richard G. Swinney 2011-10-13 15775 Los Angeles San Gabriel Mountains: Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  CAS-BOT-BC97278  Artemisia tridentata subsp. parishii Philip A. Munz 1923-11-11 7802 Los Angeles Newhall Comment
  CAS-BOT-BC97284  Artemisia tridentata subsp. parishii John Thomas Howell 1950-11-9 27484 Los Angeles 3 miles sw. of Newhall Comment
  SEINET231398  Artemisia tridentata subsp. parishii Leila M. Shultz 1981-10-14 5719 Los Angeles CULTIVATED; Rancho Santa Ana Botanic Garden, cultivated from apopulation collected at Newall, Los Angeles country 330 Comment
  SBBG130706  Arthrocnemum subterminale S. A. Junak 2000-7-21 SCa 1387 Los Angeles just inland from mouth of crk at Shark Harbor 1 Comment
  RSA595026  Arundo donax Steve Boyd, Lauren Raz 1996-10-8 8989 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  CDA39804  Asclepias californica T. C. Fuller 1958-5-7 3710 Los Angeles Mint Canyon, Highway 6, 2 miles north of The Oaks. 0 Comment
  RSA401380L  Asclepias californica B. C. Templeton 1932-6-19 4920 Los Angeles Big Pines Park, San Gabriel Mts. Comment
  RSA0104733  Asclepias eriocarpa LeRoy Gross 2004-6-9 1348 Los Angeles West end of the main crest; from the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys). 1727 Comment
  RSA367400  Asphodelus fistulosus Fay A. MacFadden 1934-4-5 12483 Los Angeles Culver City. Comment
  RSA0011736  Asplenium vespertinum F. W. Peirson 1919-12-28 1520 Los Angeles Middle Eaton Canyon, south face of San Gabriel Mts. 610 Comment
  CAS-BOT-BC99216  Aster John H. Thomas 1956-11-8 6470 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 Comment
  RSA250441  Aster greatae R. F. Thorne, John Dourley 1967-10-3 37263 Los Angeles Angeles National Forest, San Gabriel Mts.: Yucca Flats Summer Home Tract, upper end of Canyon of N. Fork of San Gabriel River 1250 Comment
  RSA608442  Aster greatae L. C. Wheeler 1932-9-30 1414 Los Angeles 1/4 mi. below falls, Fish Canyon, San Gabriel Mts. 335 Comment
  SD234386  Astragalus didymocarpus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26134 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 487 Comment
  CAS-BOT-BC182853  Astragalus douglasii P. C. Everett; E. K. Balls 1959-5-22 23802 Los Angeles Antelope Valley, c. 1 1/2 mi. SE. of Fairmount, San Andreas Rift 822 Comment
  RSA641083  Astragalus douglasii var. douglasii Orlando Mistretta 1994-8-4 1453 a Los Angeles Horse Canyon shooting area. Comment
  CAS-BOT-BC182946  Astragalus filipes Ernest C. Twisselmann 1964-6-10 9624 Los Angeles Old Highway 101, 0.5 mile northwest of Gorman 1188 Comment
  UCR108647  Astragalus gambelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, ridge south of mouth of Big Dalton Canyon 495 Comment
  UC397247  Astragalus layneae Marjorie Shaw, Edna Spaulding, Mrs. C. L. Walton Apr 6 1917-Apr 8 1917 b Los Angeles Mojave Desert , Antelope Valley 762 Comment
  SEINET898144  Astragalus lentiginosus E. A. Maier 1908-1 3766 Los Angeles Palmdale Comment
  RSA151210A  Astragalus miguelensis P. H. Raven 1962-4-11 17259 Los Angeles beach due west of Wall 2; San Clemente Island. 9 Comment
  SBBG19135  Astragalus miguelensis R. Loveland 1963-12-8 Los Angeles SE of West Cove at Darter near Trick Pt Comment
  SD139271  Astragalus nevinii Jon Rebman, Jonathan Dunn 1996-4-29 3113 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 49 Comment
  CAS-BOT-BC194047  Astragalus trichopodus var. lonchus Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Island Comment
  RSA177706  Astragalus trichopodus var. lonchus R. F. Thorne, Percy C. Everett 1965-5-12 34621 Los Angeles Bulrush Canyon, Santa Catalina Island. 244 Comment
  SBBG38920  Astragalus trichopodus var. lonchus E. R. Blakley 1963-4-7 5508 Los Angeles N slope of ridge between Little Harbor and Cottonwood Cyn 45 Comment
  UC862876  Astragalus trichopodus var. lonchus F. R. Fosberg 1931-5-15 S 4618 Los Angeles Middle Ranch Canyon Santa Catalina Island (Eagle's Nest, Santa Catalina Id.) 180 Comment
  LA200443  Astragalus trichopodus var. phoxus Louis Wheeler; 1931-11-11 345 B Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  CAS-BOT-BC200834  Astragalus trichopodus var. trichopodus P. A. Munz; R. D. Harwood 1920-5-17 3994 Los Angeles Topango [Topanga] Canyon, Santa Monica Mts. 213 Comment
  RSA746846  Athysanus pusillus Orlando Mistretta 1992-5-21 393 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UC1980259  Atriplex R. E. Riefner Jr. 2006-7-8 06 -286 Los Angeles City of Malibu, Malibu Lagoon W side of Pacific Coast Hwy. Comment
  UC205347  Atriplex argentea var. mohavensis Ernest Braunton July 1901 138 Los Angeles Los Angeles Los Angeles (waste ground) Comment
  RSA0084866  Atriplex canescens R. G. Swinney 2010-9-1 13674 Los Angeles Sunland/Lakeview Terrace, 0.1 mi. east of Orcas Park, Tujunga Valley, just south of I-210. 329 Comment
  UCR248210  Atriplex canescens David J. Keil 1986-9-27 19742 -2 Los Angeles Along Hwy I-5, just south of Hungry Valley Road exit 915 Comment
  UCR167219  Atriplex confertifolia S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  SD53035  Atriplex coulteri Peter H. Raven 1962-5-8 17589 Los Angeles San Clemente Island; Slopes above Seal Cove. 39 Comment
  SD85132  Atriplex coulteri Ralph N. Philbrick, Robert F. Thorne 1967-5-19 B 67 239 Los Angeles Santa Catalina Island; Little Harbor. Comment
  CAS-BOT-BC180945  Atriplex nummularia Carl B. Wolf 1931-12-30 2634 Los Angeles Playa del Rey 30 Comment
  POM279020  Atriplex nummularia Grant D. Brown 1945-11-24 445 Los Angeles Playa del Rey. 30 Comment
  SBBG29937  Atriplex nummularia C. B. Wolf 1931-12-30 2636 Los Angeles Playa del Rey 30 Comment
  SD67741  Atriplex nummularia Carl B. Wolf 1931-12-30 2636 Los Angeles Coastal bluffs at Playa del Rey. 29 Comment
  POM8909  Atriplex parryi F. H. Lamb, W. R. Dudley 1896-6-6 s.n. Los Angeles Lancaster. Comment
  RSA226146  Atriplex rosea R. F. Thorne, C. W. Tilforth 1971-6-17 39908 Los Angeles N slope of San Gabriel Mountains: near junction of Bee Canyon with Santa Clara River valley, 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter. 549 Comment
  UCR95526  Atriplex rosea L. C. Wheeler 1946-8-28 6278 Los Angeles San Gabriel Mtns., Mescal Creek, just about (S of) Appletree Flat 1884 Comment
  RSA453962  Atriplex semibaccata Joseph A. Ewan 1931-7-31 4773 Los Angeles Telegraph Road near Santa Fe Crossing, East Los Angeles. Comment
  UCD97696  Atriplex semibaccata W. W. Ellis 1931-9-1 s.n. Los Angeles Inglewood. Comment
  UC520378  Atriplex serenana Louis C. Wheeler 1932-9-4 1315 Los Angeles La Verne 304 Comment
  UC56780  Atriplex triangularis Ernest Braunton Sep 1902 633 Los Angeles Cienega Comment
  CAS-BOT-BC146039  Avena barbata Geo. B. Grant 1902-2-1 s.n. Los Angeles Pasadena. Comment
  PASA638  Avena barbata Sally Ellis 1939-4-7 Los Angeles Puddingstone Dam Comment
  SBBG31306  Azolla filiculoides R. F. Thorne 1966-9-14 Los Angeles lower Middle Ranch Cyn, ca. 0.75 mi above Ben Weston Beach 53 Comment
  SBBG131547  Azolla filiculoides S. A. Junak 1999-7-16 SCa 1054 Los Angeles lower Cottonwood Cyn, just downstream from crossing of rd to Ben Weston Beach 24 Comment
  RSA150925  Baccharis pilularis Peter H. Raven 1962-4-11 17288 Los Angeles N of point due W of Wall 2, just above coast, San Clemente Island Comment
  RSA606367  Baccharis plummerae Jon E. Keeley 1994-6-17 25328 Los Angeles First year after wild fire. Carbon Canyon, 1 km E of Hwy 1. Study Site CC1. Santa Monica Mountains 18 Comment
  CAS-BOT-BC98169  Baccharis salicifolia Le Roy Abrams; E. A. McGregor 1908-7-2 557 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1188 Comment
  POM350364  Baccharis salicifolia Ora M. Clark 1929-2-3 1495 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  RSA754143  Baccharis salicifolia Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1835 Los Angeles San Gabriel River near Rincon Ranger Station 445 Comment
  UC53946  Baccharis salicifolia subsp. salicifolia Ernest Braunton 1903-1-12 786 Los Angeles Laurel Canyon Comment
  UC893723  Baccharis salicifolia subsp. salicifolia I. W. Clokey and E. G. Anderson 1931-3-11 5324 Los Angeles San Gabriel Canyon 900 Comment
  CLARK-A1528-5652  Bassia hyssopifolia John C. Roos 1937-6-29 Los Angeles Malibu Beach Comment
  UCR205665  Bellis perennis A. C. Sanders, T. B. Salvato 2009-5-20 36882 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  LA204055  Berberis nevinii C. Dorland; 1932-5-12 sn Los Angeles San Fernando Comment
  RSA435912  Berberis nevinii Anstruther Davidson 1893-5-1 s.n. Los Angeles San Fernando Comment
  UC207749  Bergerocactus emoryi R. L. Pendleton 1909-7-6 1424 Los Angeles Santa Cataline Isl., Catalina Cove 6 Comment
  UC483195  Bergerocactus emoryi L. R. Abrams and I. L. Wiggins 1931-7-6 420 Los Angeles San Clemente Island; San Clemente Island, vicinity of Mosquito Harbor Comment
  RSA716482  Berula erecta Scott D. White, Andrea Warniment 2006-7-7 11618 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  RSA712218  Bituminaria bituminosa Andrea Warniment, Pam De Vries 2005-3-24 ADW- 005 Los Angeles Transverse Ranges; San Gabriel Mtns. region: Lannan Debris Basin, in foothills of San Gabriel Mtns., above the City of Sierra Madre. 317 Comment
  RSA0080967  Blitum californicum R. G. Swinney 2010-4-28 12405 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UC905455  Bloomeria crocea I. W. Clokey and E. G. Anderson 1935-5-9 6871 Los Angeles s Puddington Reservoir Comment
  RSA783275  Bloomeria crocea J. D. Olmsted 1958-5-19 147 Los Angeles Along Thompson Creek with SW drainage along Baseline, and Indian Hill, north of Claremont 488 Comment
  RSA0128743  Boechera californica Steve Boyd, Thomas Elias 1987-4-14 2051 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora. Comment
  SBBG125214  Boechera californica A. Parikh, N. Gale 2010-6-22 3360 Los Angeles Upper Shortcut Cyn, 0.5 km S of St Hwy 2, 1.2 km SE of intersection of St Hwy 2 and Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1400 Comment
  RSA124048  Boechera californica Percy C. Everett, E. K. Balls 1958-4-25 22955 Los Angeles San Antonio Dam, 4 miles N of Claremont Comment
  SEINET3162708  Boechera xylopoda M. D. Windham 2004-4-1 2960 Los Angeles SE of Pearblossom along Bobs Gap Rd. near Holcomb Ridge ca. 1.50 km NE of the summit (4272) of Holcomb Ridge. 1158 Comment
  RSA452002  Bowlesia incana Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  PASA1923  Bowlesia septentrionalis Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  SFV21103  Boykinia rotundifolia L. Gross, L. Moore 2000-6-5 229 Los Angeles Verdugo Mountains Shady canyon a short distance south from La Tuna Canyon Road, on Santa Monica Mountains Conservancy land. 488 Comment
  RSA466770  Boykinia rotundifolia Christopher Davidson, B. Gustafson 1975-6-24 2869 Los Angeles Big Tujunga Canyon, ca. 5 miles NE of Sunland on Road 2N78, in a small side canyon running SW. 686 Comment
  CAS-BOT-BC145698  Brachypodium distachyon David B. Weissman 1971-6-16 81 Los Angeles Santa Catalina Island. Big Springs Reservoir. 289 Comment
  UCR213507  Brachypodium distachyon A. C. Sanders, Karen Kirtland 2010-5-14 38351 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  RSA0042797  Brassica campestris Harold L. Pirie 1963-4-27 s.n. Los Angeles Near Jopham entrance of L.A. Pierce College, Woodland Hills. 243 Comment
  SEINET10481261  Brassica campestris David B. Dunn 1948-3-20 Dunn 3787 Los Angeles Collected along cypress ave 1/2 mi e of irwindale ave about 2 mi w of covina. Comment
  RSA0119759  Brassica geniculata R. G. Swinney 2014-5-27 16670 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  UCR178393  Brassica geniculata LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 692 Los Angeles Transverse Ranges: Verdugo Mtns, south side of mountains, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 783 Comment
  UCR261760  Brassica geniculata R. G. Swinney 2010-9-13 13837 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR273226  Brassica geniculata R. G. Swinney 2011-10-18 15823 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  SFV12450  Brassica nigra M. H. Grayum, D. L. Koutnik 1978-1-28 955 Los Angeles Santa Monica Mountains Along Temescal Canyon Road. 8 Comment
  CAS-BOT-BC36737  Brassica rapa John I. Carlson 1915-6-13 s.n. Los Angeles Avalon. Santa Catalina Island. Comment
  RSA522935  Brickellia californica Timothy S. Ross, Orlando Mistretta 1990-10-24 3295 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  RSA596193  Brickellia californica Lauren Raz, Steve Boyd 1996-10-23 026 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  SBBG66092  Brickellia microphylla R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  CAS-BOT-BC106148  Brickellia nevinii Fordyce Grinnell 1915-9-5 s.n. Los Angeles Echo Mts. - San Gabriel Mts. Comment
  RSA653374  Brickellia nevinii LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 266 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  UCR17767  Brickellia nevinii Jack Weber 1975-10-17 s.n. Los Angeles San Gabriel Mtns., Glendora Mountain Road 612 Comment
  UCR266385  Brickellia nevinii D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4364 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  RSA0097777  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
  SEINET901457  Bromus arizonicus Andrew C. Sanders 1988-1 7692 Los Angeles Ed Segundo Dunes, W. of L.A. International Airport, between Pershing Dr. and Vista Del Mar Blvd. 5 Comment
  RSA0071931  Bromus berteroanus LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7005 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  POM1269  Bromus carinatus D. L. Crawford, Otis Hiatt 1916-3-28 709 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  SD31187  Bromus carinatus Edith Purer 1931-3-16 955 Los Angeles Palos Verdes Hills Comment
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Jul 11 2010
  RSA707811  Bromus carinatus var. carinatus Naomi Fraga, Paul Morton 2004-5-18 1183 Los Angeles On ridgeline of Mount Hillyer, near summit. 1860 Comment
  UC1586197  Bromus carinatus var. carinatus Tim Ross 1991-8-16 5814 Los Angeles San Gabriel Mountain, Horse Flats Horse Flats; San Gabriel Mountain, Horse Flats 1719 Comment
  POM364043  Bromus catharticus Robert Gustafson 1981-4-29 2229 Los Angeles Ballona Wetlands, Area 2. Comment
  SBBG56657  Bromus catharticus M. N. Ackley -Oct-1925 5 Los Angeles Glendale, La Canada Blvd 213 Comment
  POM363396  Bromus diandrus Robin S. Collins 1973-4-30 254 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 610 Comment
  RSA188108  Bromus diandrus R. F. Thorne 1966-4-4 35785 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  RSA3481  Bromus diandrus C. B. Wolf 1932-5-9 3424 Los Angeles Santa Catalina Island; Avalon. 8 Comment
  RSA675933  Bromus diandrus LeRoy Gross 2003-3-9 793 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
  SBBG128332  Bromus diandrus S. Lawrence-Gomez, A. Cheung, D. Kasang, M. Zou, S. Ratay 2011-7-8 38 Los Angeles Deer Valley Trail 92 Comment
  UC816459  Bromus diandrus Agnes Chase Apr 12 1910-Apr 15 1910 5540 Los Angeles s of Playa del Rey Comment
  SEINET14410017  Bromus diandrus R. F. Thorne 1971-1 41473 Los Angeles San Gabriel Mts., Angeles National Forest, NE of Chantry Flats, along Santa Anita Creek 548 Comment
  RSA660189  Bromus grandis Orlando Mistretta 1992-7-9 645 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  SBBG56565  Bromus grandis M. N. Ackley 1929-5-11 Los Angeles San Dimas Cyn Comment
  POM277343  Bromus hallii Victor Duran 1933-7-20 3521 Los Angeles Buckhorn, San Gabriel Mountains. 1982 Comment
  RSA311356  Bromus hallii R. F. Thorne, M. Z. Thorne 1969-7-9 38527 Los Angeles San Gabriel Mountains, Angeles National Forest: just S of Big Meadow, Big Pines 2087 Comment
  POM363868  Bromus hordeaceus H. L. Bauer 1929-3-20 sn. Los Angeles Long Beach. Comment
  RSA0089141  Bromus hordeaceus R. G. Swinney 2010-5-7 12597 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  UC589648  Bromus hordeaceus Nell Murbarger April 1936 171 Los Angeles San Clemente Island Comment
  UC1117453  Bromus laevipes Peter H. Raven 1962-5-20 17772 Los Angeles road above Pebbly Beach (Santa Catalina Island); Santa Catalina Island 60 Comment
  SEINET7047900  Bromus madritensis subsp. rubens Steven R. Hill, Kate Kramer 2001-4-22 33348 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  RSA0038269  Bromus sterilis Scott D. White, Chet McGaugh 1995-6-6 3223 Los Angeles E edge of Santa Susana Mts, just W of San Gabriel Mts. Sunshine Canyon (name not shown on topo): W of San Fernando Rd. and I-5 Fwy, just, SW of interchange w/ SR 14 Fwy. Sunshine Canyon Landfill property, site proposed for landfill expansion. 457 Comment
  RSA660792  Bromus sterilis LeRoy Gross, Valerie Soza 2001-6-6 441 Los Angeles Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. 427 Comment
  SFV21125  Bromus sterilis L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1054 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon above the large waterfall where the canyon forks off, near above coordinates. Smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  UCR280577  Bromus tectorum R. G. Swinney 2014-4-18 16129 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  UCR137458  Bromus trinii L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns, Foothills of the mountains: 2 mi NE of Vincent 991 Comment
  CATA3479  Caesalpinia spinosa Michael Thomas, Benjamin Dion 2017-12-5 006 Los Angeles Santa Catalina Island: Interior; roadside, 20m south of Rancho Escondido Road in Lower Cottonwood Canyon watershed 106 Comment
  RSA0113905  Calandrinia ciliata LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7549 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
  UCR190788  Calandrinia ciliata R. G. Swinney 2001-4-17 7873 Los Angeles San Gabriel Mtns., Glendora, Morgan Canyon plateau 402 Comment
  RSA0116195  Calandrinia ciliata Steven A. Junak 2000-4-15 SCa- 1204 Los Angeles Santa Catalina Island. On W side of road to Lone Tree, ca. 0.1 mi. from junction w/ Divide Road. 479 Comment
  RSA609283  Calandrinia ciliata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, east of Glendora. Comment
  SFV2442  Callistemon rigidus J. W. Adams 1958-11-1 s. n. Los Angeles Los Angeles Basin Los Angeles, Westwood. Corner of Santa Monica Blvd. and Westwood Blvd. 70 Comment
  LA6442  Calocedrus decurrens Carl Epling; October 1926 sn Los Angeles San Gabriel Mountains, Manker Flats [near Mt Baldy] Comment
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Nov 6 2014
  UCD139457  Calochortus albus Justin Miller 1995-5-1 s.n. Los Angeles Calabasas, Santa Monica Mountains, Stunt Road, Cold Creek, 1.25 miles south north side of Creek. Comment
  CAS-BOT-BC487473  Calochortus albus R. C. Foster 1937-6-6 344 Los Angeles Cobal Canon (foothills of San Gabriel Mts.), north of Claremont. Comment
  CAS-BOT-BC132273  Calochortus catalinae Le Roy Abrams 1901-4-3 1266 Los Angeles Santa Monica Mts. Comment
  POM123269  Calochortus catalinae H. E. Hasse 1890-05 s.n. Los Angeles Foothills, Sierra Santa Monica. Comment
  RSA377322  Calochortus catalinae Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  UCD139489  Calochortus catalinae P. B. Kennedy 1928-3-30 s.n. Los Angeles White's Landing, Santa Catalina Island. Among east ridge to south. Comment
  RSA0113509  Calochortus catalinae Lyman Benson 1949-4-29 13599 Los Angeles Hills 4 miles southwest of Pomona. Mt. Range: Puente Hills. 304 Comment
  SBBG132181  Calochortus clavatus A. Parikh, N. Gale 2014-5-8 808 Los Angeles N of Santa Clara River, 1.3 km S of intersection of Hasley Cyn Rd and Del Valle Rd 392 Comment
  JEPS17761 Image available Calochortus clavatus Frank W. Peirson 1918-6-16 288 Los Angeles Mint Canyon, top of first grade Mint Canyon Comment
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Nov 9 2011
  RSA641424  Calochortus invenustus Louis C. Wheeler 1967-7-15 10047 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  UC3398  Calochortus invenustus J. H. Barber 1897-7-11 253 Los Angeles Summit Mt. San Gabriel Range Comment
  POM1705  Calochortus plummerae B. P. Flinn 1912-6-15 s.n. Los Angeles Claremont. Comment
  CATA236  Calochortus splendens Mark L. Hoefs, A. Douglas Propst 1973-5-4 230 Los Angeles Santa Catalina Island: By Thompson Dam, middle canyon, south exposure 213 Comment
  VVC2908  Calochortus striatus Tim Thomas 2014-5-4 6299 Los Angeles Mojave Desert, North Lancaster; 0.3 mi NE of Sierra Hwy & W Ave H intersection 713 Comment
  RSA599754  Calochortus venustus Steve Boyd, Lauren Raz 1997-5-6 9773 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA627541  Calochortus venustus Sandy Leatherman, Scott D. White 1998-5-15 8 Los Angeles Western Liebre Mountains. West of Castaic Lake and east of Interstate 5. 610 Comment
  SEINET12054007  Calochortus weedii C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  UCR205921  Calycoseris parryi R. G. Swinney 2008-5-5 8765 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA0115753  Calyptridium monandrum R. G. Swinney 2011-3-29 14277 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
  UCR261772  Calyptridium monandrum R. G. Swinney 2010-5-11 12684 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
  RSA716890  Calystegia longipes LeRoy Gross 2006-6-19 2519 Los Angeles Forest Service road survey: Santa Clara Divide. Along road (3N17.6) from North Fork Saddle Station east to near 34.37875, 118.23062. Comment
  UC557823  Calystegia macrostegia subsp. amplissima Nell Murbarger March, 1936 52 Los Angeles San Clemente Island Comment
  RSA702168  Calystegia macrostegia subsp. arida Michael Honer 2004-6-22 2011 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon andHog Back. 854 Comment
  RSA187864  Calystegia macrostegia subsp. intermedia R. F. Thorne 1966-4-28 36249 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
  RSA656424  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 708 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. 548 Comment
  CAS-BOT-BC215913  Calystegia peirsonii Lauren Raz; Steve Boyd 1997-4-30 9605 Los Angeles About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine, Liebre Mountains 914 Comment
  UCR150468  Camissonia R. G. Swinney 1999-6-21 7373 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  RSA524970  Camissonia bistorta Tim S. Ross, Steve D. Boyd 1990-6-6 2825 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA19205  Camissonia campestris subsp. campestris P. A. Munz 1923-5-27 6904 Los Angeles San Gabriel Mountains, Pallett Creek Comment
  SBBG60384  Camissonia campestris subsp. campestris R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA0097618  Camissonia hirtella R. G. Swinney 2011-4-28 14534 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  RSA584128  Camissonia hirtella Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2967 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
  UCR281150  Camissonia hirtella R. G. Swinney 2014-5-7 16422 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  RSA226219  Camissonia hirtella Gary D. Cromwell, David W. Wheat 1971-5-8 640 Los Angeles East-facing slope west of canyon. Mystic Canyon, Angeles National Forest, San Gabriel Mts. 2 mi. NE of Glendora, Calif 549 Comment
  RSA607222  Camissonia intermedia Louis C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. 1433 Comment
  CAS-BOT-BC32370  Camissonia intermedia Peter Hamilton Raven 1962-5-1 17517 Los Angeles Mulholland Highway 2.6 miles E of Seminole Hot Springs, Santa Monica Mountains 548 Comment
  RSA30676  Camissonia micrantha Louis C. Wheeler 1932-7-5 921 Los Angeles Liveoak Wash 2 miles NE La Verne. 404 Comment
  RSA0089512  Camissonia pallida R. G. Swinney 2011-4-20 14425 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA507529  Camissonia strigulosa Louis C. Wheeler 1967-5-24 9742 Los Angeles San Gabriel Mts., Angeles National Forest: Indian Canyon, sunny sandy slope with sparse grass. 701 Comment
  UCR223766  Camissonia strigulosa R. G. Swinney 2009-5-28 10959 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR263056  Camissonia strigulosa Mitch Provance 2008-4-14 408- 11 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
  UCR272622  Camissoniopsis R. G. Swinney 2011-6-7 15031 A Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  UC20429  Camissoniopsis bistorta J. H. Barber 1897-3-28 100 Los Angeles Santa Monica Canyon Comment
  SBBG61443  Camissoniopsis hirtella R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  UC440394  Camissoniopsis intermedia Carl Epling and H. Anderson 1930-5-30 103 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  LA2392  Camissoniopsis micrantha O. H. Kappler; 1941-3-30 165 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  UCR270503  Camissoniopsis pallida R. G. Swinney 2011-5-26 14852 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA595514  Capsella bursa-pastoris L. C. Wheeler 1969-4-19 s.n. Los Angeles Blum Ranch, Aliso Canyon 883 Comment
  LA200310  Cardamine californica Martha Hilend Kinsey; 1934-3-10 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  LA51503  Cardamine californica O. H. Kappler; 1945-3-25 729 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido 228 Comment
  RSA249723  Cardamine californica var. integrifolia R. F. Thorne, D. Propst 1973-2-12 42483 Los Angeles Santa Catalina Island. Ironwood Gully on slopes of hill E of Isthmus above Banning House. 183 Comment
  RSA748656  Cardamine oligosperma Scott D. White, Justin M. Wood 2009-5-6 12634 Los Angeles San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 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
  RSA658830  Carduus pycnocephalus Louis van Velzen 1987-5-19 87 -18 Los Angeles Walnut Creek Co. Pk., west of San Dimas, on trail between Scarborough St. [Lane] and 210 [57] Fwy. Comment
  RSA674587  Carduus pycnocephalus Scott D. White 2000-5-6 7779 Los Angeles Puente Hills: City of Rowland Heights, 'Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  CAS-BOT-BC281785  Carduus tenuiflorus G. W. Garrettson 1957-5-17 s.n. Los Angeles Dudley Philips Ranch near Masonic Home, Covina Comment
  UCR209540  Carex R. G. Swinney 2008-7-2 9125 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
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Sep 12 2018
  UCR210027  Carex R. G. Swinney 2008-7-12 9180 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
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Sep 12 2018
  RSA775351  Carex alma Orlando Mistretta, Christine Mistretta 2010-6-4 5262 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  UC115917  Carex alma H. E. Hasse Aug 1893 Los Angeles San Bernardino Range 1524 Comment
  RSA522454  Carex alma Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4050 Los Angeles Tujunga Ranger District, NE of summit of Tie Summit Station and E of Angeles Forest Hwy. 1463 Comment
  RSA623977  Carex alma Arthur R. Kruckeberg 1940-3-24 s.n. Los Angeles Dagger Flat Canyon near Pacoima Canyon, San Gabriel Mountains. Comment
  SEINET3897000  Carex alma Timothy S. Ross, Steve Boyd 1994-5-24 7838 Los Angeles Cottonwoodd Swamp': confluence of san Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. Warm Springs Mountain 7.5' USGS Quadrangle. Dissected by San Francisquito Canyon Road.; 0 512 Comment
  UCSB519  Carex alma Beach, Kay 1943-6-22 Los Angeles Sycamore Flat trail; San Dimas Experimental Forest; San Gabriel Mountains Comment
  RSA229047  Carex heteroneura var. heteroneura Robert F. Thorne 1969-7-29 38849 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, open N-facing slope above Angeles Crest Hwy. at headwater of S Fork, Big Rock Creek, c. 1.7 mi. S of Dawson Saddle 2317 Comment
  CAS-BOT-BC32088  Carex multicaulis Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-25 3781 Los Angeles Natural depression SSW of Crystal Lake: Crystal Lake USGS 7.5' Quad. 1703 Comment
  UCR265497  Carex spissa Dan S. Cooper 2015-4-29 2015- 38 Los Angeles Western Transverse Range; Santa Monica Mountains, Monte Nido, Cold Creek at end of Pony Cross Rd. 159 Comment
  SEINET7575826  Carex spissa Louis C. Wheeler 1975-1 Los Angeles Comment
  RSA228992  Carex subfusca Robert F. Thorne 1971-8-25 41294 Los Angeles San Gabriel Mountains, Angeles National Forest: At Little Jimmy Springs. 2256 Comment
  SD51674  Carex triquetra F. R. Fosberg 1931-4-16 S 4645 Los Angeles Santa Catalina Island, Eagles Nest, Middle Ranch Canyon, dry steep south wall. Comment
  POM9537  Carex triquetra Phillip A. Munz 1900-4-21 3711 Los Angeles San Dimas Canyon. 457 Comment
  CDA35025  Carpobrotus chilensis M. O'Brien 2005-3-6 s.n. Los Angeles El Matador State Beach. Bluff top above the strand. 0 Comment
  RSA628634  Castanopsis sempervirens Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: West side Pallett Mountain. 2348 Comment
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Sep 2 2017
  UCR194253  Castilleja R. G. Swinney 1998-8-6 6673 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  RSA347522  Castilleja affinis Barry A. Prigge 1986-3-19 6934 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  LA200845  Castilleja affinis subsp. affinis D. Bradbury; J. Sauer 1969-7-14 4610 Los Angeles Comment
  UC885395  Castilleja affinis subsp. affinis F. R. Fosberg 1931-3-25 S 4362 Los Angeles s wall Hamilton Canyon; Santa Catalina Island 10 Comment
  POM97376  Castilleja affinis subsp. affinis Thomas Craig 1926-4-5 s.n. Los Angeles Johnson's Pasture, north of Claremont. Comment
  OBI9639  Castilleja applegatei subsp. martinii Wesley O. Griesel 1961-6-1 s.n. Los Angeles State Hwy 2 near Camp Valcrest San Gabriel Mts 1829 Comment
  RSA11072  Castilleja foliolosa Carl B. Wolf 1928-3-29 1558 Los Angeles Junction of Pine Canyon road and road to Sandbergs. 3 mi. S.W. of Neenach. 1067 Comment
  UCD122548  Castilleja foliolosa A. C. Sanders 2005-5-11 30173 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. 579 Comment
  RSA3508  Castilleja foliolosa Carl B. Wolf 1932-5-9 3451 Los Angeles Santa Catalina Island: Pebbly Beach, hillside canyon. 30 Comment
  RSA400543  Castilleja foliolosa Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  UCR129384  Castilleja linariifolia Orlando Mistretta 1994-9-13 1467 Los Angeles San Gabriel Mtns, Santiago Canyon, Santiago Creek near junction of Forest Service Road 4N20 and BM 3980 1213 Comment
  UCR150046  Castilleja minor subsp. spiralis L. C. Wheeler 1967-9-4 10686 Los Angeles Transverse Ranges; San Gabriel Mountains, Ravine south of Camp Lupine, Prairie Fork 2043 Comment
  SD108965  Castilleja plagiotoma James Henrickson 1973-5-12 9605 Los Angeles 6 (air) miles SE of Pearblossom, 4.6 (rd) miles S of Llano in lower portion of Bob's Gap along 165 St. 1234 Comment
  OBI70592  Castilleja subinclusa subsp. subinclusa Steve Boyd, Lauren Raz 1997-3-26 9353 Los Angeles Liebre Mts Region: N base of Portal Ridge at the mouth of Myrick Cyn, S edge of the Antelope Valley S of Fairmont Reservoir 1000 Comment
  RSA587407  Caulanthus cooperi Orlando Mistretta 1995-4-5 1605 Los Angeles drainage W of Little Rock Creek Reservoir. 1311 Comment
  CAS-BOT-BC47922  Ceanothus arboreus H. E. McMinn 1924-7-25 1314 Los Angeles Catalina Island Comment
  CAS-BOT-BC48723  Ceanothus crassifolius Alice Eastwood 1919-6-20 9042 Los Angeles Mt. Wilson Comment
  UC1071007  Ceanothus crassifolius A. Lewis 1934-2-2 251 Los Angeles Indian Canyon 762 Comment
  UC18261  Ceanothus crassifolius W. H. Brewer 295 Los Angeles Cahuenga Pass Comment
  UCD162840  Ceanothus crassifolius D. O. Burge 2015-3-17 1690 Los Angeles Newhall Pass. 550 Comment
  UCR197185  Ceanothus crassifolius Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 661 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 549 Comment
  SEINET12210838  Ceanothus crassifolius W. Knight, Knight, I. 1982-1 4486 Los Angeles Brom Tilden Botanic Garden, Berkeley. Orig. collected in San Antonio Canyon Comment
  RSA616318  Ceanothus cuneatus Scott D. White, Pam De Vries 1998-4-20 6314 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 579 Comment
  UC7071124  Ceanothus cuneatus var. cuneatus A. Lewis Feb 1934 284 Los Angeles Vasquez Rocks 762 Comment
  RSA777877  Ceanothus greggii R. G. Swinney 2009-6-8 11101 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA613607  Ceanothus greggii var. vestitus Louis C. Wheeler 1968-4-26 s.n. Los Angeles head of Rattlesnake Canyon at Santa Clara Divide Road 1410 Comment
  UC1070658  Ceanothus greggii var. vestitus A. Lewis May 1933 206 Los Angeles Bear Canyon 1341 Comment
  POM184710  Ceanothus integerrimus Joseph A. Ewan 1932-6-17 7240 Los Angeles Summit San Gabriel Peak, San Gabriel Mountains. Comment
  UCSB36662  Ceanothus integerrimus Brownell, Kathleen 1980-5-18 Los Angeles 2.5 mi. N on Mt. Baldy Rd. 83; San Gabriel Mtns; Angeles National Forest 1127 Comment
  CAS-BOT-BC50656  Ceanothus jepsonii C. F. Baker 1903-12-26 4001 Los Angeles Pomona Comment
  RSA0105964  Ceanothus leucodermis R. G. Swinney 2011-7-8 15475 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak. 1207 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
  UC398774  Ceanothus megacarpus var. insularis Katharine Brandegee 1916-1 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC51445  Ceanothus megacarpus var. megacarpus Carl B. Wolf 1932-5-10 3541 Los Angeles Santa Catalina Island. Along ridge between summit of the equestrian trail & Mt. Shatto 335 Comment
  LA43632  Ceanothus megacarpus var. megacarpus M. Zaitlin; 1951-3-10 sn Los Angeles 304 Comment
  SBBG68433  Ceanothus megacarpus var. megacarpus unknown -May-1893 Los Angeles Cahuenga Pass Comment
  UC18367  Ceanothus megacarpus var. megacarpus Dr. Davidson 1892-1 Los Angeles Comment
  CAS-BOT-BC50487  Ceanothus oliganthus Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena Comment
  RSA729760  Ceanothus oliganthus R. G. Swinney 1998-8-10 6728 Los Angeles San Gabriel Mtns.: Cattle Canyon, west of (downstream from) Thompson Flat. 671 Comment
  UCD112709  Ceanothus palmeri Antonio F. Machado; Lisa Seemann 1993-4-28 5 a Los Angeles Santa Clarita Valley, S of Spunky Canyon Rd, 3.4 mi E of San Francisquito Rd. 1100 Comment
  UCR217431  Ceanothus sorediatus R. G. Swinney 2009-3-10 10058 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  CDA9426  Ceanothus spinosus D. G. Kelch 1991-3-24 1340 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  UC1071356  Ceanothus spinosus R. St. John 1930-1-20 74 Los Angeles 2 1/2 mi e Triunfo Pass (Plot 9); Triunfo Pass Quad. Comment
  CDA7010  Centaurea cyanus L. B. Wendt 1968-7-18 Los Angeles Adjacent to north bound off-ramp of Highway 99 at Gorman. 0 Comment
  JEPS30477  Centaurea melitensis Henry J. Thompson 1959-5-24 Los Angeles 0.7 mi n of Coast Highway; Santa Monica Mountains, Tuna Canyon 91 Comment
  POM351503  Centaurea melitensis Robert Gustafson 1980-7-9 1800 Los Angeles Ballona Wetlands, Area 3. Comment
  SEINET3480350  Ceratonia siliqua Unknown 1939-7-7 100 Los Angeles Los Angeles, Los Angeles, Campus Comment
  RSA0057898  Ceratophyllum demersum Richard G. Swinney 2010-9-7 13702 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  CAS-BOT-BC142101  Cercocarpus betuloides var. betuloides I. M. Johnston 1917-4-28 1370 Los Angeles San Antonio Canyon wash. 365 Comment
  CAS-BOT-BC142132  Cercocarpus betuloides var. betuloides Munz; Street; Williams 1919-4-5 2450 Los Angeles Puddingstone Canyon Comment
  LA33472  Cercocarpus betuloides var. betuloides Peter H. Raven; Henry J. Thompson 1959-4-3 13915 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, N-facing side of summit. 838 Comment
  RSA277936  Cercocarpus betuloides var. betuloides Austin P. Griffiths 1962-4-11 4496 Los Angeles Chantry Flat, Big Santa Anita Canyon, N of Arcadia, in San Gabriel Mts Comment
  RSA190891  Cercocarpus betuloides var. blancheae Robert F. Thorne 1967-5-18 36875 Los Angeles Santa Catalina Island. In bottom of Wild Boar Gully. 137 Comment
  RSA208943  Cercocarpus betuloides var. blancheae Theadore H. Mortenson 1967-5-18 1518 Los Angeles Wild Boar Gully (Cercocarpus Arroyo), Santa Catalina Island 168 Comment
  LA88336  Chaenactis artemisiifolia O. H. Kappler; 1943-5-30 479 Los Angeles Santa Monica Mountains, Arroyo Sequit 213 Comment
  RSA549198  Chaenactis artemisiifolia Timothy S. Ross, Peter Fritsch 1990-6-20 3679 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  CHSC105209  Chaenactis fremontii L. Mayer; I. Mayer 1974-4-10 167 Los Angeles On Hwy 18 ca. 1 mi nw of its junction with Hwy 138. Comment
  RSA93811  Chaenactis fremontii F. W. Peirson 1930-5-30 8905 Los Angeles 1 miles N of Llano Comment
  RSA680540  Chaenactis glabriuscula Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9606 Los Angeles Liebre Mountains: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 396 Comment
  UCSB33699  Chaenactis glabriuscula Griesel, Wesley 1962-5-25 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  RSA16274  Chaenactis glabriuscula var. glabriuscula C. B. Wolf 1935-5-23 6995 Los Angeles Liebre Mts. 1/2 mile east of Gorman. 1159 Comment
  RSA239861  Chaenactis santolinoides John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles near the base of Mt. Baden-Powell trail 2194 Comment
  RSA0073717  Chaenactis stevioides Orlando Mistrettta, Christine Mistretta 2005-4-21 2053 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  UC1595725  Chaenactis stevioides W. Wisura and E. Roeder 1992-4-21 4695 Los Angeles near Valyermo (Mountain Brook Ranch); West Mojave Comment
  SBBG118765  Chaenactis xantiana L. Gross with P. Morton 2004-6-9 1340 Los Angeles W end of main crest; S from Pacific Crest Trail along rd 7N23 past the 2nd Pacific Crest Trail that exits to the N; W of Bear Gulch Camp; T7N R17W S12,11,10&3 1688 Comment
  SEINET3164760  Chamaesyce albomarginata L. Abrams 1902-5-31 2480 Los Angeles Inglewood Comment
  UCSB8660  Chamaesyce albomarginata McElwain, Isabelle 1953-3-8 Los Angeles East side of driveway 17090 Bull Canyon Rd., Granada Hills Comment
  RSA737490  Chamaesyce melanadenia D. E. Bramlet 2007-7-13 4110 Los Angeles La Verne. 152 m North of Baseline, 1.37km west of Live Oak Cyn Road & 1.28km east of Marshall Creek. Comment
  POM2853  Chamaesyce melanadenia I. M. Johnston 1917-11-30 1806 Los Angeles Mouth of live Oak Canon. Upper Sonoran Zone. 457 Comment
  RSA607509  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1973-6-15 s.n. Los Angeles Los Angeles: Between San Diego (405) Fwy and Sepulveda Blvd., just E of Alameda St. Comment
  UC2030090  Chamaesyce serpyllifolia Scott D. White 2000-6-24 8095 Los Angeles PUENTE HILLS: City of Rowland Heights, Rancho Rincon de la Brea near Bill Blevins park. Comment
  POM9913  Cheilanthes covillei F. W. Peirson 1921-5-3 2404 Los Angeles Bear Canyon Ridge west of Mt. Lowe 1219 Comment
  SFV53  Cheilanthes covillei P. G. Kilburn 1957-12-1 557 Los Angeles San Gabriel Mountains Beside highway leading to Mount Wilson from Angeles Crest. 1220 Comment
  POM18207  Cheilanthes newberryi Philip A. Munz 1923-4-10 6729 Los Angeles San Clemente Island: in canyons of middle of island Comment
  RSA0036772  Chenopodium Toad 1981-2-26 0010 -81 Los Angeles 130 W. Grondahl, Covina. Comment
  RSA423259  Chenopodium album L. C. Wheeler 1932-10-7 1421 Los Angeles U. C. L. A. Campus, W Los Angeles. 137 Comment
  RSA423287  Chenopodium album E. S. Spalding 1923-04 s.n. Los Angeles E. Los Angeles. Comment
  LA31609  Chenopodium ambrosioides Peter H. Raven; Henry J. Thompson 1958-10-11 13754 Los Angeles Santa Monica Mountains, Tuna Canyon, near junction of Tuna Canyon Road with Saddle Peak Rd 533 Comment
  UCR125238  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25521 Los Angeles NE end of Santa Susana Mtns., Santa Clara River Valley, south side at edge of farm fields near mouth of 'Long Canyon' c. 1 km due south of Del Valle 274 Comment
  UCR126350  Chenopodium berlandieri A. C. Sanders 2003-8-6 27115 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR247283  Chenopodium berlandieri Dan S. Cooper 2013-8-8 813- 49 Los Angeles Griffith Park, edge of Los Angeles Zoo near Zoo Dr. and Crystal Springs Dr. 143 Comment
  UCR280508  Chenopodium berlandieri R. G. Swinney 2014-5-13 16497 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  UCR199984  Chenopodium botrys Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1364 Los Angeles Transverse Ranges; Verdugo Mountains, Intersection of North Beaudry Motorway and Deer Creek 518 Comment
  UCR204853  Chenopodium botrys R. G. Swinney 2005-8-9 8414 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  CDA3041  Chenopodium botrys T. S. Ross 1991-8-16 5801 Los Angeles Big Tujunga Canyon 1/5 miles due east of the confluence of Lucas Creek; Angeles Forest Highway. Comment
  CHSC35494  Chenopodium murale James Henrickson 1979-5-23 18184 Los Angeles Ca. 7 air miles N of Newhall in Dry Canyon; S of Dry Canyon Reservoir. 411 Comment
  RSA534016  Chenopodium murale T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5297 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 274 Comment
  UCR66734  Chenopodium pumilio L. C. Wheeler 1932-7-2 00894 Los Angeles San Gabriel Mtns., San Dimas Canyon 457 Comment
  IRVC28745  Chenopodium rubrum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25522 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  LA37478  Chenopodium strictum var. glaucophyllum H. Lewis; 1940-8-14 sn Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  POM1651  Chlorogalum pomeridianum D. L. Crawford 1915-07 s.n. Los Angeles Claremont. Comment
  RSA593595  Chorizanthe brevicornu var. brevicornu Steve Boyd, Orlando Mistretta 1996-5-23 8830 A Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA627560  Chorizanthe staticoides Sandy Leatherman, Brian Daniels 1998-5-27 37 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. .25 mile down the existing dirt road. 366 Comment
  CAS-BOT-BC32830  Chorizanthe staticoides var. staticoides J. T. Howell 1928-6-10 3876 Los Angeles San Gabriel Mts., Monrovia Canyon, near Deer Park Comment
  RSA725135  Chorizanthe watsonii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -17 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR177565  Chorizanthe watsonii LeRoy Gross 2005-5-3 2255 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  CAS-BOT-BC248073  Chorizanthe xanti var. xanti Timothy S. Ross; Steve Boyd 1995-6-28 8618 Los Angeles Liebre Mountains. Elizabeth Lake Canyon near the confluence of Red Fox Canyon: xeric southerly slope below Lake Hughes Road and above the stream 722 Comment
  PASA1790  Chrysopsis villosa var. fastigiata Frank W. Peirson 1928-10-21 Los Angeles West Fork San Gabriel River 1066 Comment
  RSA586176  Chrysothamnus nauseosus subsp. hololeucus Orlando Mistretta 1995-10-2 1938 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  UCR282144  Chylismia claviformis subsp. claviformis R. G. Swinney 2014-4-30 16242 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  CAS-BOT-BC280035  Cirsium mohavense John Thomas Howell 1952-10-26 28880 Los Angeles Lancaster Comment
  POM352176  Cirsium occidentale var. californicum M. B. Dunkle 1931-4-22 2469 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC285583  Cirsium occidentale var. occidentale Grant Apr 8 s.n. Los Angeles Avalon Comment
  POM352199  Cirsium occidentale var. occidentale Ora M. Clark 1929-2-3 1507 Los Angeles Venice Comment
  SFV3839  Cirsium vulgare K. A. Wilson 1961-3-11 986 Los Angeles San Gabriel Mountains Bouquet Canyon. Small stream gully. 2 miles north of Texas Canyon. 550 Comment
  RSA466598  Cistanthe monandra Jack Rempel 1932-4-23 s.n. Los Angeles El Segundo. Comment
  POM780  Cistanthe monosperma I. M. Johnston 1917-7-31 1397 Los Angeles Head of San Antonio Canyon, upper transition zone 2439 Comment
  JEPS26606  Clarkia bottae Peter Kamb 1948-6-26 1132 Los Angeles near Ant Canyon (s side of Pacoima Canyon); San Gabriel Mts. 731 Comment
  LA45531  Clarkia bottae Carl Epling; 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0115257  Clarkia bottae Richard G. Swinney 2010-5-25 12942 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA775950  Clarkia dudleyana Orlando Mistretta, Christine Mistretta 2010-6-23 5344 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  UC73317  Clarkia epilobioides Miss E. D. Palmer November, 1904 Los Angeles vicinity Los Angeles Comment
  SBBG118132  Clarkia purpurea subsp. quadrivulnera F. R. Fosberg 1931-4-23 4696 Los Angeles Hay Press [Haypress] 350 Comment
  POM96829  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1926-5-3 10815 Los Angeles Puddingstone Canyon, San Dimas. 305 Comment
  CHSC95869  Clarkia unguiculata LeRoy Gross 2001-5-6 383 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley. Comment
  UCR276947  Claytonia parviflora R. G. Swinney 2010-5-21 12853 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  UCR277136  Claytonia parviflora R. G. Swinney 2010-6-8 13227 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  OBI70925  Claytonia parviflora subsp. parviflora Steve Boyd, Lauren Raz 1997-3-26 9328 Los Angeles Liebre Mts Region: Portal Ridge N of Lake Hughes, upper end of Myrick Cyn drainage along Lakeview Rd 1134 Comment
  RSA621258  Claytonia parviflora subsp. parviflora L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Head of Bear Canyon (off Soledad Canyon) at Santa Clara Divide Road. 1280 Comment
  JEPS43189  Claytonia parviflora subsp. viridis Frank W. Peirson 1923-5-26 3545 Los Angeles n of Rock Creek Divide; San Gabriel Mountains 2133 Comment
  RSA729662  Claytonia perfoliata R. G. Swinney 1998-7-2 6261 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.8 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  UCR191176  Claytonia perfoliata R. G. Swinney, Dave Larson 1999-7-21 7564 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE of Browns Flat 1463 Comment
  CAS-BOT-BC439787  Claytonia perfoliata Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  CAS-BOT-BC91392  Clematis lasiantha J. H. Thomas 1957-5-11 6756 Los Angeles San Gabriel Mountains, about 4.5 miles north of La Canada. 975 Comment
  LA52247  Clematis lasiantha Harlan Lewis; 1940-2-24 1071 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA386209  Clematis lasiantha Martha Hilend 1928-3-4 50 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  RSA585150  Clematis lasiantha Tim S. Ross, S. D. Boyd 1990-5-31 2735 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon 1220 Comment
  SEINET12099143  Clematis lasiantha H. W. Graham 1927-1 s.n. Los Angeles along trail and Rd from Mt. Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson, Near Los Angeles Comment
  UCR182846  Clematis ligusticifolia R. G. Swinney 1989-8-24 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, along Big Dalton Canyon Rd, 1.2 mi NE of Glendora Mtn Rd., south side of road 427 Comment
  UCR204559  Clematis ligusticifolia R. G. Swinney 2005-8-5 8376 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR216900  Clematis pauciflora R. G. Swinney 2009-2-20 10022 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA358486  Cleome isomeris R. F. Thorne 1973-09 44723 Los Angeles Santa Catalina Island. Blue Cavern Point Comment
  RSA440800  Cleome isomeris E. A. Purer 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA526076  Cleome isomeris Steve Boyd 1990-4-6 4175 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called Jack. 152 Comment
  POM49817  Cleome serrulata P. A. Munz 1924-4-20 8152 Los Angeles 1 mile N of Claremont 426 Comment
  UCR181116  Collinsia R. G. Swinney 1997-5-13 5523 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  SFV3347  Collinsia bartsiifolia var. davidsonii W. G. Webb 1935-4-20 Los Angeles Mojave Desert Near Lancaster. Comment
  RSA587116  Collinsia callosa Orlando Mistretta 1995-4-25 1644 Los Angeles San Gabriel Mountains, Kitter Canyon: near the confluence of Kitter Canyon and Little Rock Creek. 1098 Comment
  LA91449  Collinsia heterophylla Bruce Douglas Clayton; Greg Shaw 1972-4-1 49 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, Shovel Spring. 502 Comment
  RSA408285  Collinsia heterophylla Richard C. Barkelew 1929-4-21 s.n. Los Angeles Mulholland Hy. Comment
  RSA727256  Collinsia heterophylla R. G. Swinney 1998-5-30 6177 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  VVC3353  Collinsia heterophylla Tim Thomas 1973-4-24 14 Los Angeles Transverse Range, Santa Monica Mountains, Mulholland Hwy at Cold Creek 290 Comment
  POM19187  Collinsia heterophylla Philip A. Munz 1923-4-9 6686 Los Angeles Lemon Tank, San Clemente Island Comment
  RSA14205  Collinsia heterophylla Carl B. Wolf 1926-04 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  UC166909  Collinsia parryi Geo. B. Grant 1905-5-4 201 Los Angeles San Gabriel Mountains, Pasadena, Willard Canyon Pasadena; San Gabriel Mountains, , Willard Canyon Comment
  RSA0117339  Collinsia parryi E. Crow 1928-5-2 279 Los Angeles San Antonio Canyon, San Gabriel Mountains. So. Calif. Comment
  UCR179620  Colutea arborescens R. G. Swinney 1991-1 1597 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Debris Basin 335 Comment
  SEINET6196118  Comarostaphylis diversifolia subsp. diversifolia Robert F. Thorne, P. Everett 1965-6-24 35032 Los Angeles Santa Catalina Island; West slope of Orizaba Mountain near upper end of Escondido Canyon, near spring and water pipe line to Rancho Escondido 274 Comment
  LA32183  Conium maculatum Peter H. Raven; Henry J. Thompson 1959-6-4 14345 Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  RSA652786  Convolvulus arvensis S. Koukol, R. Koukol 1998-5-3 28 Los Angeles La Verne, Foothill Blvd., 75 m W. of Wheeler Avenue. 344 Comment
  RSA394796  Convolvulus arvensis Freda Detmers 1932-10-16 16054 Los Angeles N. Van Nuys Comment
  CATA1731  Convolvulus simulans Mark L. Hoefs, Steven A. Junak, Denise Knapp 2000-5-5 3078 Los Angeles Santa Catalina Island: Near road below El Rancho Escondido 146 Comment
  JEPS41816  Conyza bonariensis Geo. B. Grant 1906-8-7 7157 Los Angeles Pasadena Comment
  CAS-BOT-BC285957  Conyza bonariensis George L. Moxley 1927-5-1 2009 Los Angeles Los Angeles Comment
  RSA720489  Conyza canadensis R. G. Swinney 1997-9-27 5879 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam 488 Comment
  POM355837  Conyza canadensis D. A. Young 1969-5-26 p 499 Los Angeles Along Brea Canyon Road, 3 miles from Orange county line 274 Comment
  SEINET4676051  Cordylanthus filifolius K. Dobry 1990-9-22 d 126 Los Angeles Upper Stunt Road, Cold Creek Canyon, Santa Monica Mountains.; 0 Comment
  UCR204836  Cordylanthus rigidus subsp. setiger R. G. Swinney 2005-8-11 8460 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR205615  Coreopsis bigelovii R. G. Swinney 2008-5-12 8831 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  CAS-BOT-BC105709  Corethrogyne filaginifolia Alice Eastwood 1917-7-20 6517 Los Angeles The Isthmus, Santa Catalina Island Comment
  SBBG60552  Corethrogyne filaginifolia R. Hoffmann 1927-9-23 Los Angeles Neenach Comment
  SFV3854  Corethrogyne filaginifolia K. A. Wilson 1963-10-24 1302 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  UC485380  Corethrogyne filaginifolia Crawford and Hiatt 1916-3-29 566 Los Angeles Santa Monica Mts. Comment
  UC63364  Corethrogyne filaginifolia Jos. Burtt Davy 1901-6-1 7772 Los Angeles Redondo Comment
  UCR224011  Corethrogyne filaginifolia Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11674 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA200011  Cornus stolonifera Wandalee Thompson 1968-9-5 s.n. Los Angeles Shake Canyon about 6 miles west of Lake Hughes. 1524 Comment
  LA201839  Coronopus didymus Arthur C. Gibson; 2003-5-28 4931 Los Angeles 121 Comment
  RSA655354  Cortaderia selloana LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 297 Los Angeles Verdugo Mountains: Hostetter Mountainway. 640 Comment
  UCR220366  Cortaderia selloana R. G. Swinney 2009-4-16 10345 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, confluence of Van Tassel and San Gabriel canyons, 1.3 miles north of Foothill Blvd., on both side of El Encanto Parkway 183 Comment
  UCR213578  Cotula coronopifolia A. C. Sanders, Dan S. Cooper 2010-4-30 38163 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  JEPS30727  Cotula coronopifolia Peter H. Raven 1961-10-15 17845 Los Angeles 0.9 mi s of Atherton Street San Gabriel River, Long Beach 1 Comment
  SEINET10449690  Crassula argentea Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4868 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA533916  Crassula connata var. erectoides Tim Ross, Mike Hammitt, Orlando Mistretta 1991-5-18 5154 Los Angeles San Clemente Island; 950 ft WNW of Stone at the beginning of the Stone Canyon drainage. 442 Comment
  RSA423437  Crassula connata var. subsimplex Reid V. Moran 1941-2-19 568 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  RSA624463  Crassula tillaea L. C. Wheeler 1973-5-20 s.n. Los Angeles Ridge on last side of Las Flores Canyon Comment
  RSA0046817  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
  POM311760  Crossosoma californicum Karen Hosterman 1957-4-9 989 Los Angeles Catalina [Island]; Isthmus. Comment
  RSA508701  Crossosoma californicum Mark Parratt 1965-1-26 642 Los Angeles Santa Catalina Island near the Isthmus area. 0 Comment
  SD79061  Crossosoma californicum R. Mitchel Beauchamp 1966-8-8 51 Los Angeles Santa Catalina Island, south of Avalon Comment
  UC729577  Crossosoma californicum Carl B. Wolf 1932-5-9 3500 Los Angeles junction of Upper Pebbly Beach Rd and road to Renton Mine; Santa Catalina Island 121 Comment
  UCR227641  Crossosoma californicum R. F. Thorne 1968-2-25 37915 Los Angeles Channel Islands, Santa Catalina Island, Cherry Valley 49 Comment
  RSA480564  Croton T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Palos Verdes Hills. Comment
  RSA599297  Croton californicus L. C. Wheeler 1946-10-26 6390 Los Angeles San Gabriel Mountains: San Gabriel Canyon; 0.8 miles upstream from mouth at first bridge, north side. 259 Comment
  RSA609611  Croton californicus L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  SEINET5628202 Image available Croton californicus Mary B. Fallass 1923-1 3431 Los Angeles foot hills around Los Angeles Calif Comment
  UCR138995  Croton setiger L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns., Sand Canyon at the mouth of Reynier Canyon 564 Comment
  UCD142189  Croton setiger Ted H. Thorsted Jr. 1970-8-20 s.n. Los Angeles California State College at Los Angeles. 121 Comment
  UCSB7435  Croton setiger Wedberg, H. 1958-7-14 Los Angeles Faculty Hill, UCLA Campus Comment
  UCR209855  Crypsis schoenoides R. G. Swinney 2008-9-9 9321 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  SEINET3245986  Cryptantha barbigera R. G. Swinney 2009-1 10853 -A Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
  UCR276809  Cryptantha barbigera R. G. Swinney 2010-5-21 12893 A 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
  SEINET3152222  Cryptantha circumscissa G. B. Grant 1906-6-15 1373 -6691 Los Angeles Collected at Summit Mt. Wilson, southern California. 1829 Comment
  UC402793  Cryptantha clevelandii Crawford and Hiatt 1916-3-29 995 Los Angeles Topanga Canyon Santa Monica Mts. Comment
  CATA3352  Cryptantha intermedia Amy Catalano 2017-4-21 058 Los Angeles Santa Catalina Island: NW side of West End Rd. on S-facing hillside, 120 meters SE of water tanks on north edge of Two Harbors 31 Comment
  CATA479  Cryptantha intermedia Sara L. Crockett, Mark Hoefs, Steve Junak, Janet Takara 1997-3-28 621 Los Angeles Santa Catalina Island: N side of Cherry Harbor, overlooking mud flats, 20 - 30 m upslope 42 Comment
  UC24742  Cryptantha intermedia Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UCR220186  Cryptantha intermedia R. G. Swinney 2009-4-7 10289 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA674781  Cryptantha microstachys Scott D. White, Kent Hughes 2000-5-16 7849 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  POM211518  Cryptantha microstachys L. C. Wheeler 1934-4-24 2541 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA0079203  Cryptantha muricata var. muricata Scott D. White, P. De Vries 1998-4-20 6311 Los Angeles Liebre Mts.: Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  RSA0079581  Cryptantha muricata var. muricata Gary D. Cromwell 1971-5-14 639 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi, E of Glendora. 442 Comment
  RSA0079627  Cryptantha muricata var. muricata K. Steddom 1994-5-22 29 Los Angeles USFS trail. 1500 Comment
  UCR185567  Cryptantha nevadensis var. rigida A. C. Sanders 2007-4-25 33572 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCR228575  Cryptantha nevadensis var. rigida Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8044 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 800 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1110 Comment
  RSA0055754  Cryptantha oxygona R. G. Swinney 2010-5-19 12813 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
  RSA232822  Cryptantha traskiae R. F. Thorne 1966-4-15 35992 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove), SW side of island 30 Comment
  RSA394301  Cucurbita foetidissima G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Del Rey Palisades. Comment
  SD237411  Cuscuta californica A. C. Sanders, Mitch Provance, T. G. Salvato 2009-6-1 37089 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte. 139 Comment
  POM264166  Cuscuta californica J. C. Roos 1937-9-2 644 Los Angeles Manhattan Beach. Comment
  RSA409691  Cuscuta californica F. R. Fosberg, J. A. Ewan 1931-8-13 S 5440 Los Angeles Islip Trail near Islip-Hawkins divide; Mount Hawkins, Hawkins divide, San Gabriel Mts. 2300 Comment
  UC879581  Cuscuta subinclusa Ira W. Clokey, B. Templeton 1929-7-1 4590 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  RSA300657  Cycladenia humilis var. venusta J. R. Shevock 1974-10-5 3874 Los Angeles at the summit of Mt. Baden-Powell on the southern side of the peak. San Gabriel Mountains. Angeles National Forest. 2864 Comment
  UCR25127  Cyclospermum leptophyllum John C. Roos 1951-8-1 5079 Los Angeles Los Angeles, [near Westwood Village] Overland Ave. near Santa Monica Blvd. 61 Comment
  RSA483543  Cynodon dactylon McCulloch 1931-4-4 s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC113870  Cyperus niger var. capitatus Ernest Braunton 1902-7-1 566 Los Angeles LA River. Comment
  RSA725241  Dactylis glomerata K. Dobry 1991-5-2 d- 569 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA594312  Datura wrightii Steve D. Boyd, Lauren Raz 1996-10-14 9044 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
  UCR95386  Datura wrightii L. C. Wheeler 1966-11-19 9126 Los Angeles San Gabriel Mtns, Pacoima Canyon. Dillon Ranch Road at Little Tujunga Canyon Road. 747 Comment
  RSA304189  Datura wrightii James R. Shevock 1970-5-3 176 Los Angeles Sagas Beach. 8 Comment
  UCSB5892  Datura wrightii Gill, Robert 1959-11-16 Los Angeles Wash, Pomona College Campus Comment
  SEINET10852039  Daucus carota David B. Dunn 1947-12-15 Dunn 3589 Los Angeles Cultivated plants from 316 N Ave 50. L.A. 42, California. Highland Park; North part of Los Angeles, near the Southwest Museum. Comment
  POM12330  Daucus pusillus F. L. Robinson 1921-5-18 81 Los Angeles Claremont. 365 Comment
  POM3248  Daucus pusillus Crawford, Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mountains Comment
  JEPS12565  Deinandra fasciculata Frank W. Peirson 1918-6-28 236 Los Angeles e of Rubio Canyon; San Gabriel Mountains 609 Comment
  UC2026453  Deinandra kelloggii Louis C. Wheeler 1965-6-21 8696 Los Angeles LIEBRE MOUNTAIN: Two Shay Ranch, Bouquet Canyon. 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
  RSA394495  Delphinium cardinale Wm. Martin 1971-8-25 s.n. Los Angeles On the road to Saddle Peak, Santa Monica Mountains. Comment
  RSA398699  Delphinium parishii T. H. Holmes 1933-4-22 s.n. Los Angeles Mohave Desert Comment
  RSA729366  Delphinium parishii subsp. parishii R. G. Swinney 1998-7-14 6435 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top' montane coniferous forest. 2247 Comment
  LA52183  Delphinium parryi O. A. Plunkett; 1926-4-22 52183 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  CAS-BOT-BC121380  Delphinium parryi subsp. maritimum John Hunter Thomas 1957-4-27 6708 Los Angeles Santa Monica Mtns, coastal hills, W side of mouth of Latigo Canyon, about 3 mi NW of Pt. Dume, 15 mi due W Santa Monica 152 Comment
  SBBG122020  Delphinium parryi subsp. parryi A. Parikh, N. Gale 2003-6-13 754 Los Angeles E of dirt track between Cruzan Mesa and Plum Cyn, 1.9 km W of Sierra Hwy, 1.8 km SW of Vasquez Cyn Rd 682 Comment
  UC2029978  Delphinium patens Orlando Mistretta 1993-6-2 845 Los Angeles SAN GABRIEL MOUNTAINS: Vicinity of Mt. Baden Powell. Near vincent Gap; north slope of Mt. Baden Powell above Vincent Gulch. Comment
  RSA0030029  Delphinium patens subsp. montanum Tim S. Ross 1993-5-16 7148 Los Angeles Glendora Ridge Road on the divide between San Dimas Canyon and Cow Canyon. 1329 Comment
  RSA783871  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 A Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  CAS-BOT-BC82815  Dendromecon harfordii Reid Moran 1949-2-7 3150 Los Angeles Johnsons Cove, Catalina Island. Comment
  UC1871138  Dendromecon rigida T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4863 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UCR128159  Dendromecon rigida Mark A. Elvin, Cathleen Weigand 2003-5-22 2898 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA603540  Dendromecon rigida subsp. rigida Sara L. Crockett 1979-1-18 557 Los Angeles 2.2 miles NW on Stage Road from jct. with Middle Ranch Rd. 366 Comment
  RSA777916  Deschampsia danthonioides R. G. Swinney 2009-6-2 11023 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA641436  Deschampsia elongata L. C. Wheeler 1967-7-15 10055 Los Angeles Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA749037  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  SBBG53163  Descurainia pinnata S. A. Junak 1978-4-15 SCa 13 Los Angeles N side of Cherry Harbor Comment
  SD197725  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs, on cmapground property. 1000 Comment
  SEINET3246202  Descurainia pinnata R. G. Swinney 2008-1 8794 Los Angeles San Gabriel Mtns.: West Fork Punchbowl Canyon near north boundary of Devils PUnchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1260 Comment
  UC857339  Descurainia pinnata I. W. Clokey and B. C. Templeton 1930-4-8 4658 Los Angeles w of Lancaster 400 Comment
  UCR193726  Descurainia pinnata R. G. Swinney 1999-4-5 7039 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  CAS-BOT-BC43344  Descurainia pinnata subsp. glabra W. R. Dudley; F. H. Lamb 1896-6-12 4448 Los Angeles Mt. Pinos Region. Tejon Pass Road. Tejon Pass. Comment
  LA21935  Dichelostemma capitatum subsp. capitatum M. Zaitlin; 1951-2-17 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  SD215335  Dichelostemma capitatum subsp. capitatum Steve Boyd, Lauren Raz, et al 1997-4-1 9473 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 high power lines. 792 Comment
  RSA89978  Digitaria ciliaris J. C. Roos, A. R. Roos 1950-9-16 4989 Los Angeles Los Angeles. 61 Comment
  UCR142809  Digitaria sanguinalis L. C. Wheeler 1932-9-5 1339 Los Angeles San Gabriel Mtns, San Antonio Canyon 1067 Comment
  SEINET3828977  Diplachne fusca var. fascicularis Louis C. Wheeler 1946-1 6331 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/4 mile westerly from confluence with North Fork. Comment
  SD12590  Diplacus longiflorus Edith A. Purer 1935-5-11 6545 Los Angeles Hillside, Malibu Road, Santa Monica Mts. Comment
  SD66878  Diplacus puniceus R. Mitchell Beauchamp 1967-3-20 342 Los Angeles In shady canyon above the beach road, south of Avalon, Santa Catalina Island Comment
  CAS-BOT-BC221633  Distichlis littoralis Paul Currie 1969-1-1 17 Los Angeles Los Angeles Comment
  RSA3575  Distichlis spicata C. B. Wolf 1932-5-12 3590 Los Angeles Little Harbor, Santa Catalina Island. Comment
  RSA600367  Distichlis spicata Steve Boyd, Lauren Raz 1997-5-28 9871 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
  RSA749655  Distichlis spicata R. G. Swinney 2005-8-5 8363 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  SBBG52925  Distichlis spicata F. C. Boutin 1967-4-23 1627 a Los Angeles N end of island. at W end of airfield runway Comment
  UCD64334  Distichlis spicata var. stolonifera Peter H. Raven; Henry J. Thompson 1959-9-6 14364 A Los Angeles At mouth of Malibu Creek. 1 Comment
  UCD118799  Dodecatheon clevelandii Geoffrey Levin 1974-4-27 63 Los Angeles Evey Canyon, a side canyon of San Antonio Canyon. San Gabriel Mts. 731 Comment
  UC56419  Dodecatheon clevelandii subsp. clevelandii Ernest Braunton Feb. 1903 815 Los Angeles Griffith Park Comment
  RSA600187  Dodecatheon clevelandii subsp. clevelandii Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Brown School for Girls, northwest of Glendora. 358 Comment
  RSA187814  Dodecatheon clevelandii subsp. insulare Robert F. Thorne 1966-4-4 35776 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove. 30 Comment
  RSA748739  Dodecatheon redolens R. G. Swinney, Cody Clarke 2001-8-22 8078 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area. 2305 Comment
  UCD113101  Drymocallis glandulosa Kenneth A. Wilson 1961-3-10 961 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, ca. 1/4 mile W of Topanga Canyon Road. Comment
  POM9219  Drymocallis glandulosa var. wrangelliana Philip A. Munz, R. D. Harwood 1920-5-17 3982 Los Angeles Topanga Canyon, Santa Monica Mountains 152 Comment
  RSA188324  Drymocallis glandulosa var. wrangelliana Robert F. Thorne, Percy C. Everett 1965-6-23 34963 Los Angeles Santa Catalina Island. Upper part of Middle Ranch Canyon. 274 Comment
  CAS-BOT-BC67944  Dryopteris arguta George L. Moxley 1920-11-28 864 Los Angeles San Gabriel Canyon Comment
  LA94243  Dryopteris arguta Lawrence L. Kiefer; 1966-4-10 1841 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, ca 2 mi S of Mulholland Hwy on W-side. 304 Comment
  POM817  Dryopteris arguta C. F. Baker 1903-8-2 3660 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA0089429  Dryopteris arguta R. G. Swinney 2011-3-17 14128 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA0115997  Dryopteris arguta R. G. Swinney 2010-8-11 13486 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  SBBG77003  Dryopteris arguta F. R. Fosberg 1932-6-6 8127 Los Angeles Big Wash Cyn, Avalon 50 Comment
  SD82014  Dryopteris arguta Louis C. Wheeler 1931-7-28 Los Angeles San Antonio Mountains, Coble's Canyon 580 Comment
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Jan 2 2014
  UCR259374  Dryopteris arguta R. G. Swinney 2010-8-26 13586 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  RSA656919  Dryopteris arguta Glen Kinoshita 1996-5-19 36 Los Angeles Found on the Santa Monica Mountains (2.5)? miles south of old Topanga Canyon Road on Razorback Trail, .5 miles west of Monte Vista Drive. Comment
  CATA2207  Dryopteris filix-mas Sara L. Crockett 1997-2-24 73 Los Angeles Santa Catalina Island: Sol Vista housing development, WSW of corner of Beacon and Lower Terrace Streets 21 Comment
  UC792928  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1948-6-8 3086 Los Angeles Mouth of Winter Canyon Malibu Beach (Malibu Beach) 76 Comment
  CAS-BOT-BC428112  Dudleya cymosa subsp. cymosa Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: North side of Bichota Canyon, east of heliport. 1402 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
  RSA680105  Dudleya cymosa subsp. pumila LeRoy Gross, Michael Denslow 2003-6-4 983 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  CAS-BOT-BC428398  Dudleya lanceolata Alice Eastwood 1919-5-29 9009 a Los Angeles San Gabriel Canyon Comment
  SD207018  Dudleya lanceolata Reid Moran 1946-5-30 2061 Los Angeles Bichota Canyon; 5.5 kilometers above Rincon Guard Sta. 730 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
  UCR89974  Dudleya lanceolata Scott D. White, Chet McGaugh 1995-6-6 3229 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  CAS-BOT-BC411392  Dudleya lanceolata Geo. B. Grant 1904-6-17 s.n. Los Angeles Arroyo Seco, Pasadena Comment
  LA104976  Dudleya lanceolata K. Nakai; 1981-1-1 690 Los Angeles San Gabriel Mountains, 3.5 mi fron junction of Glendora Mtn. Rd. and E Fork San Gabriel River Rd. on Glendora Mtn. Rd. On N-facing slope 914 Comment
  CAS-BOT-BC471242  Dudleya virens Reid Moran 1972-5-27 19143 Los Angeles Seabluffs just E of Pt. Vicente, to 50 m. 50 Comment
  POM180094  Dudleya virens F. R. Fosberg 1931-5-18 722 Los Angeles Santa Catalina Island, Little Harbor. Comment
  SEINET13311319  Dudleya virens subsp. insularis Reid Moran 1972-5-27 19143 Los Angeles Just east of Pt. Vicente 5 Comment
  RSA600809  Echinochloa crus-pavonis L. C. Wheeler 1966-11-23 9154 Los Angeles San Gabriel Mountains. Between head of Morris Reservoir and San Gabriel Dam. Comment
  SBBG92150  Ehrharta calycina A. C. Sanders 1988-5-18 7849 Los Angeles El Segundo dunes immediately W of Los Angeles InterNat Airport and E of Vista del Mar Blvd [above the end of World Way West] Comment
  UCR207703  Ehrharta calycina Justin M. Wood 2009-4-10 473 Los Angeles San Gabriel Mountains, foothills, city of San Dimas, San Dimas Wash just above the Puddingstone Diversion Dam and adjacent to the golf course 366 Comment
  CDA2015  Ehrharta erecta A. C. Sanders, Dan Malueg 2001-5-17 24345 Los Angeles Los Angeles Basin; Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned Comment
  SBBG131733  Ehrharta erecta S. A. Junak 1999-5-22 SCa 1015 Los Angeles Avalon Cyn, at entrance to Catalina Stables 48 Comment
  RSA0011696  Elaeagnus angustifolia R. G. Swinney 1997-6-19 5628 Los Angeles Big Pines Hwy, c. 0.25 mi. east of Appletree Campground, west of Wrightwood. 2018 Comment
  UCR223465  Eleocharis R. G. Swinney 2009-5-28 10924 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SBBG120369  Eleocharis macrostachya A. C. Sanders 2005-5-5 29938 Los Angeles SW end of Cruzan Mesa at site of former dairy, E of Bench Mark "Plum"; Santa Clarita area 655 Comment
  SEINET7586257 Image available Eleocharis macrostachya Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains, west fork of Morgan Canyon near Ferguson Motorway. 434 Comment
  POM11252  Eleocharis parishii I. M. Johnston 1917-8-23 1631 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM184662  Eleocharis radicans L. C. Wheeler 1932-9-19 1388 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  CAS-BOT-BC112216  Eleocharis rostellata F. R. Fosberg; J. Ewan 1931-8-13 4995 Los Angeles Common in wet muck along streams Big Cienega above Crystal Lake. 1981 Comment
  UC814653  Elodea canadensis Louis C. Wheeler 1933-12-13 2325 Los Angeles San Dimas Canyon Dam; San Gabriel Mts. 411 Comment
  CAS-BOT-BC208518  Elymus A. D. E. Elmer 1902-6-1 3750 Los Angeles Acton Comment
  SEINET3129026  Elymus condensatus Unknown 3662 Los Angeles Lancaster Comment
  UCR180185  Elymus condensatus R. G. Swinney 1967-6-25 159 Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 488 Comment
  UCR223360  Elymus elymoides R. G. Swinney 2009-5-20 10827 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA0127215  Elymus elymoides Louis C. Wheeler 1967-7-15 10071 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. Comment
  CDA31745  Elymus glaucus L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns. Campground vicinity, Devil s Canyon Comment
  UCR194056  Elymus glaucus R. G. Swinney 1998-8-17 6770 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  RSA774830  Elymus glaucus subsp. glaucus Orlando Mistretta, Christine Mistretta 2010-6-8 5286 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  SBBG118738  Elymus glaucus subsp. glaucus L. Gross with P. Morton 2004-6-9 1355 Los Angeles W end of the main crest; from S of Pacific Crest Trail along Rd 7N23, to the NW corner of Sec 3 and the W end of Sec 12, W of Bear Gulch Camp 1727 Comment
  SEINET4208315  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-5-18 9617 Los Angeles San Gabriel Mountains: Placerita Canyon.; 0 518 Comment
  UCR256835  Elymus trachycaulus R. G. Swinney 2010-10-13 14020 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA585697  Elymus trachycaulus subsp. subsecundus Timothy S. Ross 1990-6-11 3003 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  IRVC28650  Elymus triticoides A. C. Sanders, Mark Elvin 2002-6-25 25263 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  RSA0091493  Emmenanthe penduliflora R. G. Swinney 2010-3-13 11889 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  UCD119217  Emmenanthe penduliflora Lisa Peralta 1996-5-13 s.n. Los Angeles Santa Susana Mts. Towsley cyn. 1 mi. W of the Old Road. Comment
  UCR95449  Emmenanthe penduliflora L. C. Wheeler 1967-5-12 9433 Los Angeles San Gabriel Mtns., Hunt Canyon, 3 mi. east of Vincent 1067 Comment
  SBBG53209  Emmenanthe penduliflora var. penduliflora S. A. Junak 1978-4-15 SCa 23 Los Angeles old trail above Cherry Valley Boy Scout Camp Comment
  RSA0036427  Encelia actoni LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6983 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  CLARK-A1528-1807  Encelia californica John C. Roos 1946-10-12 3130 Los Angeles Los Angeles Comment
  POM4937  Encelia californica C. L. Hitchcock 1918-7-3 5 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  UC1211169  Encelia californica Huron H. Smith 1912-4-27 4850 Los Angeles Cahuenga Pass 274 Comment
  RSA215566  Encelia farinosa var. farinosa R. G. Swinney 1969-4-22 344 Los Angeles W side of jct of Sierra Madre Ave and Vernon Ave, Azusa. Comment
  UCR241034  Ephedra nevadensis Nathan Moorhatch 2013-4-17 s.n. Los Angeles Mojave Desert, near Duncan Road east of Desert Ranch Rd. and west of Johnson Rd., 0.57 mi east of Sheep Creek Road 1108 Comment
  UCR193168  Epilobium R. G. Swinney 1999-8-14 7627 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
  UC1964681  Epilobium canum H. M. Beard, R. S. Beard 1959-11-28 Los Angeles Topanga Canyon, ca 1/4 mi on Highway 27, S of Topanga post office. 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
  RSA754225  Epilobium canum subsp. canum Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1771 Los Angeles San Gabriel River Watershed; along road. 405 Comment
  UCR210713  Epilobium ciliatum R. G. Swinney 2008-9-10 9419 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  SEINET13387022 Image available Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-1 15396 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  RSA639193  Epilobium ciliatum subsp. glandulosum Louis C. Wheeler 1967-9-3 10635 Los Angeles San Gabriel Mountains; Prairie Fork. 2317 Comment
  JEPS60124  Equisetum X ferrissii Louis C. Wheeler 1931-9-5 59 Los Angeles San Dimas Canyon; San Gabriel Mts., 487 Comment
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Sep 26 2010
  POM211792  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles In sunny stream. Pine Canyon Dam, San Gabriel Mts. 305 Comment
  SDSU272  Equisetum arvense A. H. Gallup 1949-4-17 406 Los Angeles Lasca-- around the lake. 152 Comment
  CAS-BOT-BC57315  Equisetum laevigatum Ernest Braunton 1902-5-1 s.n. Los Angeles Rivera Comment
  JEPS60136  Equisetum laevigatum F. R. Fosberg and J. Ewan 1931-8-13 4941 Los Angeles above Crystal Lake (Big Cienega) 1981 Comment
  POM246806  Equisetum laevigatum F. R. Fosberg 1931-4-15 R 90 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  SBBG25429  Equisetum laevigatum E. R. Blakley 1961-9-24 Los Angeles ca. 0.5 mi upstream in Middle Ranch Cyn from its mouth 76 Comment
  RSA684632  Equisetum laevigatum H. C. Ackley 1929-05 305 Los Angeles San Dimas Canyon, wet land Comment
  UCR177689  Equisetum telmateia Freda Detmers 1928-10-17 s.n. Los Angeles Verdugo Mountains region, Verdugo woodlands, near Glendale 549 Comment
  CAS-BOT-BC57759  Equisetum telmateia Louis C. Wheeler 1931-8-27 29 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  RSA133462  Eragrostis hypnoides P. H. Raven, H. J. Thompson 1959-9-20 14486 Los Angeles Lake Eleanor. Comment
  UCR280421  Eremalche exilis Onkar Singh 2014-3-18 4369 Los Angeles Mojave Desert, c. 10 km north of Littlerock, near junction of Avenue O and 110th St. 804 Comment
  POM158123  Eremocarpus setiger L. R. Abrams 1902-8-20 2966 Los Angeles Inglewood. Comment
  CAS-BOT-BC162973  Eremothera boothii subsp. decorticans A. Davidson 1893-7-1 s.n. Los Angeles Rock Creek, Mojave Desert Comment
  UCR282002  Eremothera refracta R. G. Swinney 2014-5-1 16319 B Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  SBBG58325  Eriastrum R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  SBBG113074  Eriastrum filifolium S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 604 Los Angeles E side of Whitley's Pk ridge, just below spine of ridge 381 Comment
  UC880228  Eriastrum sapphirinum Ira W. Clokey, B. Templeton May 1929 4551 Los Angeles Mandeville Canyon Santa Monica Mountains 500 Comment
  RSA0122858  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1998-6-12 6964 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
  RSA0122854  Eriastrum sapphirinum subsp. brevibracteatum F. W. Peirson 1921-7-1 922 Los Angeles Arraster Creek. 945 Comment
  OBI11546  Eriastrum sapphirinum subsp. dasyanthum R. F. Hoover 1968-6-6 11147 Los Angeles Summit of Santa Monica Mts. just west of Sepulveda Blvd. Comment
  RSA0119519  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 2014-4-23 16173 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
  RSA0121821  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1949-6-29 4357 Los Angeles San Gabriel Canyon. 457 Comment
  UCSB28949  Eriastrum sapphirinum subsp. dasyanthum Patterson, R. 1976-5-21 Los Angeles Halsey Canyon Road, ca. 2 mi. NW of junction with Del Valle Road 400 Comment
  CAS-BOT-BC515033  Eriastrum sapphirinum subsp. sapphirinum Fordyce Grinnell, Jr. 1917-6-30 s.n. Los Angeles Altadena 475 Comment
  JEPS31285  Ericameria linearifolia I. W. Clokey and B. C. Templeton 1930-4-8 4717 Los Angeles San Francisquito Canyon 700 Comment
  OBI5702  Ericameria parishii var. parishii Carl B. Wolf 1931-8-5 2299 Los Angeles Just below the Padua Hills Theatre; above Claremont, San Gabriel Mts 457 Comment
  POM266284  Ericameria pinifolia J. C. Roos 1942-10-10 1723 Los Angeles Westwood Village NW of Los Angeles County Comment
  UC1118805  Ericameria pinifolia P. L. Johannsen 1934-2-15 285 Los Angeles 1 mi nw San Fernando Pass; S. Susana Quad. 441 Comment
  UCR149834  Ericameria pinifolia Scott D. White, Pam Devries 2004-5-18 10403 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  CAS-BOT-BC293347  Ericameria teretifolia C. B. Wolf 1931-11-2 2505 -A Los Angeles Mint Canyon, 1 mile above where road from Acton joins Highway 975 Comment
  RSA748461  Erigeron breweri var. jacinteus R. G. Swinney 2001-8-18 8054 Los Angeles c. 400 m south of summit of Mt. Baden-Powell 2805 Comment
  UC1947573  Erigeron divergens I. M. Johnston 1911-8-22 1708 Los Angeles San Antonio Mountains, Prairie Fork of San Gabriel River 1524 Comment
  RSA188207  Erigeron foliosus R. F. Thorne 1965-6-22 34892 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road. 243 Comment
  UCR194021  Erigeron foliosus R. G. Swinney 1998-9-7 6928 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1 mi. west of summit of Pine Mountain 2659 Comment
  UCR204824  Erigeron foliosus R. G. Swinney 2005-8-22 8510 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  UCR256231  Erigeron foliosus R. G. Swinney 2010-6-4 13043 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  SFV3882  Erigeron foliosus var. foliosus R. L. Armacost 1959-6-3 1171 Los Angeles Santa Monica Mountains Mulholland Drive. Comment
  CAS-BOT-BC189150  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Steve Boyd 1994-5-10 7691 Los Angeles 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 meters NNW of Warm Springs Mountain summit 585 Comment
  UC1871306  Eriodictyon crassifolium var. nigrescens T. S. Ross 1991-4-30 5013 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' USGS Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  CAS-BOT-BC188953  Eriodictyon parryi Le Roy Abrams 1908-7-2 577 Los Angeles Rock Creek, San Gabriel Mountains 1676 Comment
  UC1187676  Eriodictyon traskiae P. C. Everett 1960-9-28 24297 Los Angeles Santa Catalina Island, n slope of Mount Blackjack, along Ridge Road Mount Blackjack; Santa Catalina Island, , Ridge Road 365 Comment
  UC1234583  Eriodictyon traskiae Peter H. Raven 1962-5-20 17787 Los Angeles on Airport Road above Whites Landing; Santa Catalina Island, above Whites Landing 426 Comment
  RSA611616  Eriodictyon trichocalyx Damian Ross 1997-3-29 17 Los Angeles Bernard Biological Field Station, Claremont Colleges. NE side of Phake Lake. 412 Comment
  RSA654191  Eriodictyon trichocalyx Marilyn Porter 1991-5-5 6 Los Angeles Upland at San Bernardino County line north from parking area at Shinn Road and Mount Baldy Road, followed abandoned road in flood plain. Start: (1/2) ? mile in. Stopped: (2)? miles. 670 Comment
  RSA307211  Eriodictyon trichocalyx var. trichocalyx Henry J. Ramsey 1937-6-24 2059 Los Angeles Big Pines, San Bernandino Road. Comment
  RSA783132  Eriogonum J. D. Olmsted 1959-9-21 973 Los Angeles 1/2 mi SW of intersection of roads from Tanbark Flat and Glendora Mt. Rd. along Rd. from Big Dalton dam, San Dimas Experimental Forest. 823 Comment
  UCR209484  Eriogonum R. G. Swinney 2008-6-17 9031 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR256564  Eriogonum baileyi var. baileyi Anuja Parikh, Nathan Gale 2011-6-24 3501 Los Angeles Transverse Ranage; San Gabriel Mountains, south of Iron Mountain, 1.5 km east of Angeles Forest Hwy, 1.3 km south of Monte Cristo Creek 1390 Comment
  RSA393091  Eriogonum baileyi var. baileyi Anstruther Davidson 1891-1 s.n. Los Angeles Little Rock Creek. Comment
  POM19151  Eriogonum brachyanthum P. A. Munz 1923-5-27 6894 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  SBBG33438  Eriogonum brachyanthum A. D. E. Elmer -Jun-1902 3688 Los Angeles Acton Comment
  SD11878  Eriogonum cinereum Mrs. H. P. Bracelin 1931-10-11 570 Los Angeles Lower Topanga Canyon, about one and one-half miles east of ocean beach. Santa Monica Mts. Comment
  CAS-BOT-BC241934  Eriogonum cithariforme Le Roy Abrams; E. A. McGregor 1908-6-19 392 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  SBBG118694  Eriogonum cithariforme var. agninum O. Mistretta 1992-8-20 758 Los Angeles Mt Gleason, Tujunga Ranger District, Gleason Management Unit Comment
  SBBG118734  Eriogonum cithariforme var. agninum L. Gross with P. Morton 2004-6-10 1366 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 1432 Comment
  CAS-BOT-BC242765  Eriogonum davidsonii Alice Eastwood 1919-6-20 9026 Los Angeles Mt. Wilson Comment
  UC1929548  Eriogonum davidsonii Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1681 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. Comment
  RSA760613  Eriogonum elongatum R. G. Swinney 2008-12-6 9962 Los Angeles Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39. 256 Comment
  SBBG127613  Eriogonum elongatum var. elongatum R. Burgess, P. Munro 2008-10-8 8154 Los Angeles E side of Westlake Blvd, just SE of intersection of Westlake Blvd and Carlisle Rd, in grassy swale adjacent to tributary of Lake Eleanor Crk; Thousand Oaks 304 Comment
  OBI35614  Eriogonum fasciculatum Rebecca Cicoria 1981-4-24 20 Los Angeles Purple Cyn, one mi from Crest rd, Rolling HIlls Comment
  RSA654270  Eriogonum fasciculatum Monica Acosta 1998-5-25 21 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  UCR270220  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-10 15744 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR277124  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13242 Los Angeles San Gabriel Mountains, May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54 854 Comment
  CAS-BOT-BC253267  Eriogonum fasciculatum var. foliolosum John H. Thomas 1957-3-9 6499 A Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  POM306265  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1938-1-1 1413 Los Angeles North Craig Ave., Altadena. Comment
  RSA533517  Eriogonum fasciculatum var. foliolosum Tim S. Ross 1991-3-9 4164 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll. 366 Comment
  RSA657963  Eriogonum fasciculatum var. foliolosum S. Campbell 1980-6-4 41 Los Angeles Verdugo Mountains: Eastern slope of Verdugo Mountains on hill between Wabasso Way and Opechee Way. 267 Comment
  CAS-BOT-BC250122  Eriogonum fasciculatum var. polifolium C. F. B. 1908-8-2 3454 Los Angeles San Antonio Canon [Canyon] near Claremont Comment
  RSA0088943  Eriogonum fasciculatum var. polifolium Bonnie C. Templeton 1971-5-16 11614 Los Angeles 7 mi. n. e. of Palmdale. 815 Comment
  UCR70893  Eriogonum fasciculatum var. polifolium T. S. Ross, Steve Boyd 1990-6-6 2836 Los Angeles Green Valley Pasture, in San Francisquito Canyon 1037 Comment
  UC412791  Eriogonum giganteum R. L. Pendleton 1909-7-2 1354 Los Angeles road e Avalon; Santa Catalina Id. 9 Comment
  RSA194018  Eriogonum giganteum var. formosum R. M. Beauchamp 1967-3-17 256 Los Angeles East of Date 2, San Clemente Island. Comment
  POM180162  Eriogonum gracile var. gracile Joseph A. Ewan 1931-10-24 5276 Los Angeles Santa Monica Mountains: 0.5 mile below Seminole Hot Springs. Comment
  RSA393240  Eriogonum gracile var. gracile Anstruther Davidson 1893-08 s.n. Los Angeles Los Angeles Comment
  RSA393211  Eriogonum grande var. grande M. B. Dunkle 1940-8-7 7612 Los Angeles San Clemente Island Comment
  UCR252695  Eriogonum maculatum Kelly Schmoker 2014-6-18 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, south of Buckhorn Dry Lake, W of 100th St. East and north of Ave. 'A' near its end, NE of old homestead site and NW of 'L' shaped windbreak 699 Comment
  SBBG119156  Eriogonum maculatum R. G. Swinney 1997-9-6 5857 Los Angeles Jackson Lake area W of Wrightwood, ca. 0.9 mi N of Big Pines Rd on USFS Rd 4N16; T4N R8W 1890 Comment
  SBBG15366  Eriogonum molestum H. and M. Dearing 1944-5-10 5894 Los Angeles Charlton Flats, Angeles Crest Hwy Comment
  UCSB1468  Eriogonum nudum Hoffmann, Ralph 1927-9-21 Los Angeles Ridge Route near Sandberg's Comment
  UCR223699  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2009-6-24 11246 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  CAS-BOT-BC258576  Eriogonum ordii Ralph Hoffmann 1930-6-7 s.n. Los Angeles Piru Creek Comment
  RSA393064  Eriogonum parvifolium var. parvifolium L. E. Hoffman 1932-8-18 s.n. Los Angeles El Segundo. Comment
  RSA597125  Eriogonum pusillum Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3744 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  SBBG65221  Eriogonum pusillum R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  UCR264734  Eriogonum pusillum Steve Boyd, Gary D. Wallace 2011-4-14 12316 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  UCR282035  Eriogonum pusillum R. G. Swinney 2014-4-30 16245 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  UC1922354  Eriogonum roseum Scott D. White, A. Warniment 2006-7-6 11606 Los Angeles SE TEHACHAPI MTNS.: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. Comment
  UC6444  Eriogonum saxatile Dr. A. Davidson May 1895 Los Angeles Wilson's Peak Comment
  RSA424906A  Eriogonum saxatile Geo. L. Moxley 1915-7-23 429 Los Angeles San Gabriel Mountains: near summit of Strawberry Peak. Comment
  POM122792  Eriogonum umbellatum var. minus Marcus E. Jones 1926-7-8 s.n. Los Angeles San Antonio Peak. Comment
  RSA149743  Eriogonum umbellatum var. minus Wesley O. Griesel 1961-7-9 s.n. Los Angeles White Thorn Picnic Area State Hwy 2, San Gabriel Mtns. 2287 Comment
  UC61704  Eriogonum umbellatum var. subaridum Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts., Swartout Canyon 2133 Comment
  RSA766281  Eriogonum wrightii var. subscaposum Joseph A. Ewan 1934-8-3 8356 Los Angeles Swartout Canyon. Below summit, Big Pines. San Gabriel Mtns. 1982 Comment
  RSA800513  Eriogonum wrightii var. subscaposum Jane Tirrell 2012-8-20 LS 0157 Los Angeles On crest of ridge above Pacific Crest Trail, approx. 0.75 miles east of Windy Gap. 2517 Comment
  UCR95555  Eriogonum wrightii var. subscaposum L. C. Wheeler 1966-10-6 8959 Los Angeles San Gabriel Mtns., Mt. Williamson 2485 Comment
  CAS-BOT-BC297919  Eriophyllum confertiflorum Alice Eastwood 1928-6-15 15394 Los Angeles Claremont Comment
  PASA2210  Eriophyllum confertiflorum Frank W. Peirson 1923-9-1 Los Angeles West end of Swartout Valley near the old Saw Mill 2011 Comment
  RSA29639  Eriophyllum confertiflorum Joseph A. Ewan 1933-6-17 10826 Los Angeles Dry canyon bottom, with Platanus Temescal Canyon, Santa Monica Mts. Comment
  RSA660807  Eriophyllum confertiflorum Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 6 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  SD66908  Eriophyllum confertiflorum R. Mitchel Beauchamp 1967-3-18 298 Los Angeles San Clemente Island, on canyon slopes below Lemon Tank. Comment
  CHSC95785  Eriophyllum confertiflorum var. confertiflorum LeRoy Gross; Naomi Fraga 2002-4-4 506 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 554 Comment
  JEPS17966  Eriophyllum confertiflorum var. confertiflorum George B. Rossbach 1955-6-20 532 Los Angeles Los Angeles Crest Highway (Route 2) about 2 mi n Mill Creek Summit (near Aliso Canyon Road) 1219 Comment
  JEPS32961  Eriophyllum confertiflorum var. confertiflorum E. R. Blakley 1958-5-9 2274 Los Angeles hills 2 mi e Gorman 1097 Comment
  LA91070  Eriophyllum confertiflorum var. confertiflorum T. A. Geissman; March 1970 TAG- 32870 -ECMD Los Angeles 371 Comment
  NY42993  Eriophyllum confertiflorum var. confertiflorum J. B. Walker 1995-3-29 1292 Los Angeles Angeles National Forest, East Fork Rd, 3km E of junction with Gabriel Canyon Rd 600 Comment
  RSA529207  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Steve Boyd 1991-7-24 5610 Los Angeles GRANITE MOUNTAIN vicinity: ridge NNE of G.M. 1893 Comment
  SBBG8161  Eriophyllum confertiflorum var. confertiflorum H. and M. Dearing 1935-3-9 1898 Los Angeles Mint Cyn Comment
  CAS-BOT-BC308344  Eriophyllum nevinii Nevin; Lyon 1884-4-1 s.n. Los Angeles San Clemente Island Comment
  RSA0081497  Eriophyllum pringlei R. G. Swinney 2010-5-12 12759 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA596166  Eriophyllum wallacei L. C. Wheeler 1967-5-12 9455 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA702956  Eriophyllum wallacei Scott D. White, Michael Honer 2004-3-30 9967 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  UCR222852  Eriophyllum wallacei R. G. Swinney 2009-4-29 10576 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
  RSA653643  Erodium botrys S. Koukol, E. Lutz 1998-4-26 14 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 424 Comment
  SBBG96631  Erodium botrys S. Boyd with T. Ross, L. Arnseth 1990-4-6 4138 Los Angeles Stone House Field Stn on E side of island, headland between Stone and Burns Cyns 457 Comment
  SFV20810  Erodium botrys L. Gross, N. Fraga 2002-4-4 504 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 606 Comment
  SFV22031  Erodium botrys V. Soza, I. E. Anderson, L. Gross 2000-6-6 976 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. North of Chandler Fire Road (Verdugo Mountainway), north of O' La Tuna, above Chandler and Fisher Canyons, south of La Tuna Canyon. Open ridgetop, firebreak. 488 Comment
  POM302493  Erodium botrys J. C. Roos 1943-3-27 2622 Los Angeles Vacant lot, Westwood Village, Los Angeles. Comment
  SFV6474  Erodium cicutarium T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-26 173 Los Angeles San Gabriel Mountains Lone Pine Canyon Road, 3 miles from Cajon Pass. Comment
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Dec 12 2013
  UC17087  Erodium cicutarium Jos. Burtt Davy 1901-1-25 Los Angeles Saugus Comment
  RSA630754  Erodium cicutarium Louis C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 671 Comment
  SBBG106910  Erodium moschatum M. L. Hoefs, R. F. Thorne 1996-4-6 2601 Los Angeles Pebbly Beach 6 Comment
  RSA0036213  Erodium moschatum Bill Duval s.n. Los Angeles Montrose. 60 Comment
  RSA0094562  Erysimum capitatum Richard G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  CSUSB514  Erysimum capitatum K. T. Ingram 1976-5-16 S. N. Los Angeles Angeles National Forest On Big Pine Highway, 1.9 miles from Angeles Crest Highway Comment
  SDSU2408  Erysimum capitatum var. capitatum D. F. Howe 1947-3-23 1521 Los Angeles Beach at El Segundo. Comment
  UC205851  Erysimum suffrutescens S. B. Parish 1918-6-5 11881 Los Angeles dunes Playa del Rey Comment
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Oct 28 2009
  RSA66738  Eschscholzia caespitosa subsp. caespitosa F. W. Peirson 1921-7-16 2503 Los Angeles East fork of San Gabriel River. 1372 Comment
  SD31194  Eschscholzia californica Edith A. Purer 1931-4-28 1760 Los Angeles Palos Verdes Hills. Comment
  POM50340  Eschscholzia californica var. crocea L. R. Abrams 1901-04 1357 Los Angeles San Fernando Mts. 762 Comment
  RSA66270  Eschscholzia californica var. peninsularis F. W. Peirson 1921-4-21 319 Los Angeles Trail below Sycamore Flat, on way to San Dimas, San Gabriel Mountains. 793 Comment
  UCR190462  Eschscholzia minutiflora R. G. Swinney 2001-4-18 7887 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  SBBG96654  Eschscholzia ramosa R. F. Thorne 1966-4-15 36010 Los Angeles ca. 0.5 mi SSE of Eel Pt 3 Comment
  CHSC95486  Eucalyptus camaldulensis LeRoy Gross 2001-9-1 445 Los Angeles Los Angeles Basin: Verdugo Mountains; north side, Along the bottom of Hostetter Mountain Way where road is paved, parallel with 210 freeway. 549 Comment
  UC1870226  Eucalyptus globulus LeRoy Gross 2003-2-22 747 Los Angeles Transverse Ranges; Verdugo Mountains region; South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  UCR209054  Eucrypta chrysanthemifolia Dan S. Cooper 2009-3-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  RSA158270  Eucrypta chrysanthemifolia Peter H. Raven 1962-5-10 17727 Los Angeles Head of Horse Canyon, the large canyon west of Thirst, San Clemente Island 488 Comment
  JEPS31736  Eulobus californicus Frank W. Peirson 1919-3-27 349 Los Angeles hills w Arroyo Seco; San Gabriel Mountains 426 Comment
  LA46921  Eulobus californicus C. S. Venkatesh; 1957-4-29 6 Los Angeles 441 Comment
  UC20223  Eulobus californicus J. H. Barber 1897-6-25 185 Los Angeles above Lang; Soledad Canyon Comment
  UC423048  Eulobus californicus Geo. B. Grant June 1904 430 Los Angeles Pasadena Comment
  RSA599731  Eupatorium adenophorum L. C. Wheeler 1967-12-30 s.n. Los Angeles San Gabriel Mountains: West slope of Silver Mountain along Silver-Fish Truck Trail on east side of Roberts Canyon. 640 Comment
  RSA762497  Euphorbia maculata R. G. Swinney 2008-11-29 9846 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR217696  Euphorbia maculata A. C. Sanders, Dan S. Cooper 2010-8-5 38542 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA0117871  Euphorbia melanadenia Robert L. Benson 1960-4-21 25 Los Angeles Little Dalton Canyon above Glendora. Mt. Range: San Gabriel. 365 Comment
  UCD142568  Euphorbia melanadenia Fay A. MacFadden 1931-3-4 s.n. Los Angeles Tuna Canyon. Comment
  UC1348864  Euphorbia peplus Robert F. Thorne 1966-5-31 36426 Los Angeles Avalon; Santa Catalina Island 7 Comment
  PASA697  Euphorbia peplus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  SFV2103  Euphorbia peplus M. Wisotsky 1958-5-28 s. n. Los Angeles San Fernando Valley 12904 Osborne Ave, northeast corner of house. Comment
  UCR205726  Euphorbia serpillifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37007 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
  CDA20094  Euphorbia terracina M. O'Brien 2003-3-3 s.n. Los Angeles South Coast; Malibu Bluffs. 0 Comment
  JEPS32341  Euthamia occidentalis J. Thomas Howell 1927-10-29 3179 Los Angeles se of Long Beach Comment
  RSA128008  Euthamia occidentalis Peter H. Raven, H. J. Thompson 1959-10-18 14658 Los Angeles Mouth of Topanga Canyon, Santa Monica Mountains, (34deg.N; 118-119deg.W.) 5 Comment
  UCR90817  Festuca microstachys A. C. Sanders, G. K. Helmkamp 1996-3-24 18019 Los Angeles Mojave Desert, Ave. 'J', 3.3 mi west of 240th St. E, just NE of Saddleback Butte. 890 Comment
  CATA1736  Festuca myuros Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-13 3119 Los Angeles Santa Catalina Island: Near road above Empire Landing 137 Comment
  CATA650  Festuca myuros Mark L. Hoefs 1991-4-18 1124 Los Angeles Santa Catalina Island: By road above Parson's Landing 129 Comment
  SBBG19210  Festuca myuros M. A. Piehl 1963-12-7 631074 Los Angeles point opposite Pyramid Head on SE tip of island 12 Comment
  UCR125399  Festuca myuros A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25696 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR186472  Festuca myuros T. B. Salvato 2007-4-27 2098 Los Angeles Tehachapi Mountains Foothills, Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek 1098 Comment
  UCR259643  Festuca myuros R. G. Swinney 2010-4-1 12126 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
  RSA0020289  Filago californica Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5103 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
  RSA588900  Filago californica Timothy S. Ross, Steve Boyd 1990-5-15 2541 Los Angeles Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE). 1012 Comment
  RSA724395  Filago californica K. Dobry 1990-3-25 234 Los Angeles Simi Hills at Dayton Canyon Comment
  RSA762358  Filago californica R. G. Swinney 2009-2-20 10031 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCR136843  Filago gallica 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
  CAS-BOT-BC52567  Frangula californica subsp. californica Peter H. Raven 1959-5-3 14105 Los Angeles 1.8 miles south of Mulholland Drive, Franklin Canyon 243 Comment
  SEINET7417528 Image available Frangula californica subsp. californica Unknown 1904-1 1114 Los Angeles Pasadena Comment
  UCR272351  Frangula californica subsp. californica R. G. Swinney 2011-3-15 14094 Los Angeles San Gabriel Mountains, Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park 232 Comment
  POM2925  Frankenia grandifolia I. M. Johnston 1917-6-10 1269 Los Angeles Ballona Creek, near Mesmer Comment
  RSA5877  Frankenia grandifolia Carl B. Wolf 1932-9-16 4094 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  SFV2751  Fraxinus dipetala J. R. Swanson 1963-3-21 745 Los Angeles Santa Monica Mountains Las Virgenes Road. Northwest slope of the peak at west end of Tapia Park. 150 Comment
  UC1123346  Fraxinus dipetala G. T. Nordstrom 1935-3-24 407 Los Angeles 2.25 mi se Mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quad. 701 Comment
  RSA599886  Fremontodendron californicum Steve D. Boyd, Lauren Raz 1997-5-6 9731 Los Angeles Liebre Mountains region: Northern flank of Red Mountain, near the head of Clearwater Canyon, ca. 0.1 mile east of the saddle divide with Ruby Canyon. 915 Comment
  UC535058  Fremontodendron californicum subsp. californicum Victor Duran 1933-7-11 3510 a Los Angeles San Gabriel Mountains, Sulphur Springs Sulphur Springs; San Gabriel Mountains, Sulphur Springs 1600 Comment
  UC52227  Fritillaria biflora Pupils of Los Angeles High School April 1903 Los Angeles Los Angeles Comment
  RSA13756  Galinsoga parviflora var. parviflora L. C. Wheeler 1934-2-24 2385 Los Angeles 1.5 miles north Claremont. 366 Comment
  POM367613  Galium Mable Emler 1929-7-30 13834 Los Angeles Topango Canyon, near Elkhorn Camp. Comment
  RSA579337  Galium andrewsii subsp. intermedium Tim S. Ross, Steve D. Boyd 1994-9-21 8301 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). (east into adjacent 64th section) 1607 Comment
  RSA592280  Galium andrewsii subsp. intermedium Louis C. Wheeler 1967-5-9 9403 Los Angeles Gleason Canyon, south of Aliso Canyon. 1006 Comment
  UCR205267  Galium angustifolium R. G. Swinney 2005-8-15 8491 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  LA50691  Galium angustifolium subsp. angustifolium Carl Epling; 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  POM367696  Galium angustifolium subsp. angustifolium M. B. Dunkle 1933-6-17 3618 Los Angeles San Antonio River Canyon. Coastal Southern California. 915 Comment
  UC1234765  Galium angustifolium subsp. angustifolium Peter H. Raven 1962-5-20 17770 Los Angeles road above Pebbly Beach; Santa Catalina Island 60 Comment
  UC1539495  Galium angustifolium subsp. angustifolium F. R. Fosberg 1929-5-31 S 1114 Los Angeles Claremont Comment
  POM367663  Galium angustifolium subsp. angustifolium Jack Rempel 1932-5-9 15223 Los Angeles El Segundo. Comment
  POM367679  Galium angustifolium subsp. angustifolium Anstruther Davidson 1889-09 s.n. Los Angeles Foothill L.A. Comment
  JEPS56059  Galium angustifolium subsp. gabrielense Clare B. Hardham 1966-7-29 14274 Los Angeles Sunset Mtn<?> Rd San Gabriel Mts., Evey <?> Canyon (head of canyon) 1615 Comment
  RSA747367  Galium angustifolium subsp. nudicaule Orlando Mistretta 1994-7-12 1404 Los Angeles Transverse Ranges; San Gabriel Mtns region: Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. 1982 Comment
  RSA725210  Galium aparine Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -60 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SBBG13298  Galium aparine M. A. Piehl 1962-6-9 62346 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  SBBG20558  Galium aparine E. R. Blakley 1963-12-7 6338 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 53 Comment
  UCR205217  Galium aparine R. G. Swinney 2006-6-18 8537 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  RSA679054  Galium aparine Valerie L. Soza, LeRoy Gross 2002-5-8 1451 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  CATA1112  Galium catalinense Mark L. Hoefs 1995-5-23 2076 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, near road to Bulrush Canyon 115 Comment
  RSA678821  Galium grande Valerie L. Soza, Monica Acosta 2001-6-19 1296 -b Los Angeles Mt. Wilson Trail helispot, west side Little Santa Anita Canyon, ca. 2 miles from the Mt. Wilson trailhead in Sierra Madre. 823 Comment
  UCR94482  Galium hallii Orlando Mistretta 1994-6-8 1347 Los Angeles San Gabriel Mtns., Little Rock Creek, unnamed drainage draining N slope of Bare Moutain 1616 Comment
  SBBG31343  Galium nuttallii subsp. insulare R. F. Thorne 1966-4-5 35832 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SD92960  Galium nuttallii subsp. nuttallii W. Bertsch 1954-4-19 475 Los Angeles Little Dalton Canyon 366 Comment
  CATA1718  Galium parisiense Mark L. Hoefs, Steven A. Junak, Melissa Askew 1999-7-15 3059 Los Angeles Santa Catalina Island: Lower Bulrush Canyon 262 Comment
  SBBG125218  Galium parisiense A. Parikh, N. Gale 2010-6-25 3365 Los Angeles Upper Van Tassel Cyn, 1.3 km S of Mount Bliss 860 Comment
  UC1922582  Galium porrigens var. porrigens Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1153 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 412 Comment
  RSA535715  Galvezia speciosa Tim S. Ross 1991-5-22 5471 Los Angeles San Clemente Island, Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 85 Comment
  RSA681343  Gamochaeta pensylvanica LeRoy Gross, Valerie Soza 2003-5-15 898 -a Los Angeles 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. 396 Comment
  RSA250688  Garrya flavescens var. pallida Robert F. Thorne 1970-5-1 39545 Los Angeles Along Big Rock Creek, below Sycamore Flat Camp, ca 2.5 miles south of Valyermo Station 1280 Comment
  CAS-BOT-BC158009  Garrya veatchii Louis C. Wheeler 1931-12-30 424 Los Angeles San Antonio Wash 670 Comment
  RSA585535  Garrya veatchii Tim S. Ross 1992-4-21 6217 a Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon and Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  CATA1342  Gastridium phleoides Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2446 Los Angeles Santa Catalina Island: Haypress Reservoir 420 Comment
  SBBG128212  Gastridium phleoides M. L. Hoefs, S. A. Junak, R. Philbrick 2001-5-18 3176 Los Angeles near rd between Cottonwood Cyn and Black Jack Cmpgrd 225 Comment
  RSA0098617  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-1 14981 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA698752  Gayophytum diffusum subsp. parviflorum LeRoy Gross, Paul Morton 2004-6-9 1362 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1732 Comment
  SBBG125535  Gayophytum diffusum subsp. parviflorum A. Parikh, N. Gale 2010-6-15 3300 Los Angeles upper Big Tujunga Cyn, 0.3 km E of Shortcut Station, 0.5 km N of St Hwy 2, San Gabriel Mtns 1300 Comment
  SEINET13203144 Image available Gayophytum heterozygum R. G. Swinney 2008-1 9050 Los Angeles San Gabirel Mountains: 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 (Valyermo 7.5' Q.) 2160 Comment
  RSA0073296  Gayophytum nuttallii Bonnie C. Templeton 1932-6-1 4872 Los Angeles Jackson Lake, Big Pines Park, San Gabriel Mts. Comment
  RSA0108863  Genista linifolia Steven A. Junak, Keri Kirkland 1998-4-5 SCa- 551 Los Angeles Santa Catalina Island: Toyon Bay, just inland from mouth of canyon. 18 Comment
  HSC24467  Geranium richardsonii R. F. Thorne, M. Z. Thorne 1969-7-9 38533 Los Angeles San Gabriel Mtns., Angeles National Forest, at Big Pines 2073 Comment
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Sep 5 2018
  OBI32732  Geranium robertianum A. R. Roos 1958-6-3 s.n. Los Angeles Evans-Reserve Nursery, Brentwood, W Los Angeles Comment
  RSA628583  Geranium rotundifolium Louis C. Wheeler 1967-7-18 10111 Los Angeles San Gabriel Mountains, Angeles National Forest: Gold Creek off Little Tujunga Canyon. 549 Comment
  LA201778  Gilia achilleifolia Arthur C. Gibson; 2001-5-18 4868 Los Angeles Comment
  RSA674824  Gilia angelensis Scott D. White, Sandy Leatherman, D. E. Bramlet, A. O'Neal, W. Sangkatavat 2001-4-24 8408 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  UC23894  Gilia angelensis Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UC52494  Gilia angelensis Ernest Braunton 1902-4-29 240 Los Angeles N. Pomona Comment
  RSA611666  Gilia brecciarum subsp. neglecta Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10097 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  RSA0036975  Gilia capitata R. G. Swinney 2010-5-11 12666 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
  RSA682665  Gilia capitata subsp. abrotanifolia LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1083 Los Angeles North side of mountains: South of Hostetter Motorway (On the Thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  UCR186945  Gilia latiflora A. C. Sanders 2006-4-10 31995 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
  LA206528  Gilia latiflora subsp. davyi Harvey Anderson; 1932-3-30 sn Los Angeles Quail Lake Comment
  SBBG39912  Gilia minor W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  RSA587166  Gilia modocensis Orlando Mistretta 1995-4-28 1653 Los Angeles Kitter Canyon; Slopes W of main canyon. 1280 Comment
  CAS-BOT-BC225494  Gilia nevinii Frank W. Peirson 1923-4-9 3433 Los Angeles Wilson's Cove, San Clemente Is. Comment
  SBBG13068  Gilia nevinii E. R. Blakley 1962-6-9 5175 Los Angeles Triangulation Pt Thirst 598 Comment
  SDSU3091  Gilia nevinii R. M. Beauchamp 1967-6-2 536 Los Angeles Below Lemon Tank. San Clemente Island. 259 Comment
  CAS-BOT-BC402023  Gilia ochroleuca subsp. bizonata Peter H. Raven 1958-3-23 11967 Los Angeles Above Big Rock Creek along road 4.3 miles south of Pearblossom Comment
  RSA0095178  Gilia ochroleuca subsp. bizonata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4975 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  UCR189261  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-5-16 6063 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
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May 3 2012
  LA206805  Gilia ochroleuca subsp. ochroleuca T. Craig; 1927-6-8 433 Los Angeles Bear Canyon trail to summit of Mt. San Antonio 2133 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
  UC167119  Gilia ochroleuca subsp. vivida unknown Jun 15 1906-Jun 18 1906 Los Angeles summit of Mt. Wilson San Gabriel Mts., summit of Mt. Wilson (southern California) 1828 Comment
  SBBG133339  Glebionis coronaria J. Savage, J. Lambart 2003-4-14 CHCO- 1 Los Angeles Wilson Cove near building 121 53 Comment
  OBI45942  Glebionis coronaria Clifton F. Smith 1957-6-13 5569 Los Angeles Along Figueroa St near Long Beach Comment
  PASA2285  Gnaphalium chilense Frank W. Peirson 1921-6-19 Los Angeles Crystal Lake, North Fork San Gabriel River 1676 Comment
  RSA747159  Gnaphalium luteoalbum R. G. Swinney 2008-5-30 8915 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
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Dec 25 2010
  RSA0108879  Gnaphalium palustre R. G. Swinney 2010-1-1 13148 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
  UC1349066  Gnaphalium palustre Robert F. Thorne 1966-6-2 36515 Los Angeles nne of Black Jack Mt. (margin of Echo Lake); Santa Catalina Island, Echo Lake 411 Comment
  UCR223128  Gnaphalium stramineum R. G. Swinney 2009-7-22 11344 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  LA204727  Grayia spinosa S. Atsatt; 1926-4-20 sn Los Angeles Lancaster Comment
  RSA587009  Grayia spinosa Orlando Mistretta 1992-5-8 287 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E of Little Rock Creek Reservoir 1067 Comment
  UCD132550  Grindelia camporum Daryl Koutnik 1978-6-24 545 Los Angeles Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  POM359065  Grindelia camporum var. bracteosa Anstruther Davidson 1893-3-8 s.n. Los Angeles Wiseburn. Comment
  RSA430118  Guillenia lasiophylla M. B. Dunkle 1929-4-7 2084 Los Angeles White s Landing, Santa Catalina Island. Comment
  RSA151229  Guillenia lasiophylla P. H. Raven 1962-4-9 17177 Los Angeles San Clemente Island: on sides of small arroyo above Wilson Cove 61 Comment
  SD244601  Gutierrezia californica David Keil 1986-9-27 19734 2 Los Angeles Along I-5, just s of Hungry Valley Rd exit. Roadside pullout and adjacent flats. 914 Comment
  PASA1739  Gutierrezia divergens Elizabeth Sarge Los Angeles Sierra Madre Comment
  SEINET11849269  Haplopappus pinifolius J. C. Nevin n d 1800 Los Angeles Los Angeles Comment
  SD135121  Hazardia cana Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22694 Los Angeles San Clemente Island, China Canyon, above confluence of Iwo Jima Gulch. 199 Comment
  OBI33605  Hedypnois rhagadioloides A. R. Roos 1954-5-17 s.n. Los Angeles Near N Kenmore and Oakdale Sts, Hollywood 91 Comment
  RSA0110597  Helenium bigelovii Richard G. Swinney 2010-9-30 13917 Los Angeles 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
  JEPS30521  Helenium puberulum Peter H. Raven 1959-10-25 14713 Los Angeles 4.1 mi n Coast Highway (along Malibu Creek); Santa Monica Mountains, Malibu Creek 91 Comment
  RSA126678  Helianthemum scoparium var. vulgare P. H. Raven, Henry J. Thompson 1958-10-11 1750 Los Angeles near junction of Saddle Peak Road with Tuna Canyon Road Comment
  SFV21151  Helianthus annuus J. M. Keefe 2001-1-19 30888 Los Angeles Los Angeles Basin Los Angeles, Highland Park. Backyard of 5623 Raber Street, at intersection of Upperton Avenue. 207 Comment
  UCR165232  Helianthus annuus A. C. Sanders, Helen Kennedy 2005-4-13 29473 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  SFV20827  Helianthus gracilentus L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1090 Los Angeles Verdugo Mountains Low foothills north of the 210 Freeway. Followed the firebreak southwest. 598 Comment
  UC1871089  Helianthus gracilentus T. S. Ross, Walter Appleby 1993-5-13 7133 Los Angeles Transverse Ranges; San Gabriel Mountains region; Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll; San Fernando 7.5' USGS quad; R15W T3N, NW/4 NE/4 NE/4 sect. 9; ca 2980 feet elevation. 908 Comment
  UC1434028  Heliotropium curassavicum G. B. Van Schaack 1950-7-31 2985 Los Angeles 5 mi. n. Lancaster Comment
  UCR161639  Heliotropium curassavicum Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  SD252293  Heliotropium curassavicum Steven A. Junak 2000-10-12 Sca 1413 Los Angeles Santa Catalina Island: On N side of Thompson Reservoir. 195 Comment
  RSA127778  Heliotropium curassavicum var. oculatum H. J. Thompson, P. Raven 1959-6-4 14334 Los Angeles Point Dume. 45 Comment
  RSA360330  Hemizonia australis Frances M. Morey 1994-5-28 s.n. Los Angeles Between W. Adams & Culver City. Comment
  RSA534109  Hemizonia clementina Timothy S. Ross 1991-5-17 5060 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage, 1600 feet SE of the 924'BM at the E end of the old airfield landing strip. 250 Comment
  SEINET11848437  Hemizonia ramosissima I. W. Clokey, Templeton, B. 1929-1 4600 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA187748  Hesperocnide tenella Robert F. Thorne 1966-4-5 35826 Los Angeles Santa Catalina Island, Cape Canyon. 274 Comment
  SD69441  Hesperocnide tenella Robert F. Thorne 1966-4-28 36216 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach canyon 259 Comment
  RSA628889  Hesperocnide tenella Louis C. Wheeler 1969-5-4 s.n. Los Angeles East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 549 Comment
  RSA0110913  Hesperoyucca whipplei Richard G. Swinney 2011-6-7 15079 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  CAS-BOT-BC143680  Heteromeles arbutifolia Peter H. Raven; R. Snow 1957-7-25 11061 B Los Angeles Near Morris Reservoir, San Gabriel Mts. Comment
  CATA295  Heteromeles arbutifolia Mark L. Hoefs 1973-6-4 314 Los Angeles Santa Catalina Island: By road on southeast side of Wrigley Memorial, upper Avalon Canyon 121 Comment
  POM243800  Heteromeles arbutifolia F. R. Fosberg 1931-4-10 s- 4552 Los Angeles Santa Catalina Island. Avalon Canyon. 90 Comment
  RSA0072473  Heteromeles arbutifolia Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1774 Los Angeles Downstream form San Dimas Dam. 403 Comment
  UCR273275  Heteromeles arbutifolia R. G. Swinney 2011-10-25 15867 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  RSA0074446  Heterotheca grandiflora A. E. Hersh 1950-7-9 s.n. Los Angeles Trolley Way and Navy, Ocean Park. 8 Comment
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Jan 24 2022
  SBBG31089  Heterotheca grandiflora R. F. Thorne 1966-4-5 35801 Los Angeles N slope of Black Jack Mtn 411 Comment
  SEINET11261241  Heterotheca grandiflora Steve Boyd 1996-9-24 8925 Los Angeles Liebr Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountains.; 0 914 Comment
  RSA0074071  Heterotheca grandiflora F. R. Fosberg 1931-10-11 7216 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  UC68926  Heterotheca sessiliflora subsp. echioides H. M. Hall 1905-7-1 6713 Los Angeles Antelope Valley Fairmount; Mohave Desert 853 Comment
  CAS-BOT-BC310852  Heterotheca sessiliflora subsp. fastigiata LeRoy Abrams 1902-7-5 2653 Los Angeles Azusa Comment
  RSA0063084  Heuchera abramsii I. M. Johnston 1917-9-16 1728 Los Angeles San Antonio Mountains, West spur of Baldy. 2591 Comment
  UCR194307  Hieracium argutum var. parishii R. G. Swinney 1998-8-6 6675 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCD115132  Hirschfeldia incana P. B. Kennedy 1918-8-1 A Los Angeles Around High School. Comment
  RSA0098172  Holodiscus microphyllus var. microphyllus R. G. Swinney 2011-8-5 15600 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  SEINET10915787  Hordeum Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2551 Los Angeles City of Los Angeles. Little Tokyo. Enbun Market, 124 Japanese Village Plaza. Comment
  RSA603767  Hordeum brachyantherum L. C. Wheeler 1936-4-12 4089 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  POM352468  Hordeum murinum subsp. leporinum H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  UCR100634  Horkelia cuneata subsp. puberula L. C. Wheeler 1967-6-16 9855 Los Angeles San Gabriel Mtns., N side of Sunset Ridge under powerline, Millard Canyon 579 Comment
  CAS-BOT-BC532292  Horkelia cuneata var. puberula Edith A. Purer 1935-5-11 6592 Los Angeles Santa Monica Mountains, near junction of Malibu Lodge Road & Ventura Boulevard Comment
  JEPS44522  Horkelia rydbergii Frank W. Peirson 1923-8-31 4026 Los Angeles San Gabriel Mountains, Big Pines 1859 Comment
  POM18186  Horkelia rydbergii Philip A. Munz 1923-8-31 7694 Los Angeles Mescal Creek 1829 Comment
  RSA0097145  Hulsea heterochroma R. G. Swinney 2011-5-31 14888 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
  SEINET10622464  Hylocereus undatus Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2567 Los Angeles City of Los Angeles. Chinatown. Ai Hoa Supermarket, 860 N. Hill St. Comment
  RSA0096428  Hypericum scouleri R. G. Swinney 2011-6-23 15279 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  SEINET3876145  Iris longipetala Bonnie C. Templeton 1947-7-1 4399 Los Angeles Fraser Mt., mount Pinas region.; 0 Comment
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Feb 17 2015
  CHSC115497  Isocoma menziesii var. vernonioides L. P. Janeway 2011-10-16 10774 Los Angeles Peninsular Ranges. North slope of Puente Hills; Shabarum Regional County Park, along Shabarum Trail; 1.2 air km south-southwest of the junction os S. Azusa Avenue and Colima Road. 244 Comment
  POM359502  Isocoma menziesii var. vernonioides M. B. Dunkle 1928-10-17 2024 Los Angeles Howland's Landing, Santa Catalina Island. Comment
  POM8298  Isocoma menziesii var. vernonioides P. A. Munz, R. D. Harwood 1920-3-13 3307 Los Angeles San Jose Hills 2 miles W of Pomona 305 Comment
  IRVC26617  Isopyrum occidentale W. Wisura, W. Steinmetz 1993-4-10 4832 Los Angeles Sierra Pelona: PCT below rim on N-side of range Comment
  SBBG109145  Jepsonia malvifolia S. A. Junak 1997-10-27 SCl 975 Los Angeles near head of S fork of Eagle Cyn, along S rim of cyn 509 Comment
  JEPS46454  Juglans californica W. L. Jepson 1901-10-30 Los Angeles Santa Monica Comment
  UCR91397  Juglans californica Scott D. White 1995-3-15 2548 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
  RSA0011196  Juglans californica Lyman Benson 1949-4-29 13597 Los Angeles Hills 4 miles SW of Pomona; Mt. Range: Puente Hills; Drainage Area; Pacific Slope. 305 Comment
  RSA0038690  Juglans hindsii R. E. Riefner Jr. 2014-5-3 14 -101 Los Angeles San Fernando Valley, City of Los Angeles, community of Lake View Terrace, Hansen Dam Recreation Center, Foothill Blvd., S of 210 Fwy 325 Comment
  CAS-BOT-BC102333  Juglans regia Peter H. Raven 1959-5-3 14085 Los Angeles Woodrow Wilson Drive 1.2 miles east of Laurel Canyon 350 Comment
  CATA809  Juncus acutus subsp. leopoldii Mark L. Hoefs, Robert Given 1991-6-12 1381 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  CDA39156  Juncus balticus Robert Gustafson 1981-5-26 2232 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; Ballona Wetlands, Area 2. Just east of the Gas Company plant. 0 Comment
  RSA188353  Juncus balticus subsp. ater Robert F. Thorne 1966-5-31 36446 Los Angeles Santa Catalina Island: Little Harbor. 5 Comment
  SD42644  Juncus balticus subsp. ater Darley F. Howe 1947-5-5 1597 Los Angeles Antelope Valley. Comment
  RSA795192  Juncus bufonius Jane Tirrell 2012-7-25 LS 0130 Los Angeles South side California State Route 2 approx. 1.25 mi. east of Islip Saddle between mile markers 66.43 and 66.82. 2235 Comment
  RSA0094631  Juncus duranii Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-2 8516 Los Angeles Western slopes of Mount Baden-Powell; north slope of Mount Hawkins, in the vicinity of Lily Spring. 2453 Comment
  RSA0116695  Juncus duranii R. G. Swinney 2010-9-30 13939 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA250472  Juncus duranii Robert F. Thorne 1967-10-10 37364 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  UCR270809  Juncus duranii R. G. Swinney 2011-8-17 15625 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  LA200992  Juncus effusus var. pacificus Carl Wishner; 1999-5-7 3196 Los Angeles 322.0 Comment
  UCR209608  Juncus macrophyllus R. G. Swinney 2008-10-10 9583 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  CAS-BOT-BC110157  Juncus mertensianus Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38881 Los Angeles San Gabriel Mountains. Angeles National Forest. Near Lodgepole Picnic area at headwaters of Dorr Canyon, North slope Throop Peak, above Angeles Crest Highway, 1.2 mile southeast of Dawson Saddle. 2331 Comment
  CATA869  Juncus mexicanus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1678 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  POM122644  Juncus mexicanus Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA70286  Juncus mexicanus F. W. Peirson 1921-5-20 5352 Los Angeles Little Rock Creek, N slope of San Gabriel Mts 1037 Comment
  UC624999  Juncus mexicanus F. R. Fosberg 1931-4-15 S 4619 Los Angeles Eagles Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  RSA158262  Juncus patens Peter H. Raven 1962-7-11 18004 Los Angeles upper reaches of canyon south of Lemon Tank, San Clemente Island Comment
  RSA0087230  Juncus rugulosus R. G. Swinney 2010-9-13 13832 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  UCR117558  Juncus xiphioides A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23274 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  LA202624  Juniperus californica Arthur C. Gibson; Tarja Sagar 2006-8-30 5133 Los Angeles Santa Monica Mountains, Cornell Corners, above Cornell Way (Sideway Rd?) 274 Comment
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Oct 1 2018
  NY21004  Juniperus californica F. A. MacFadden 1933-3-15 s.n. Los Angeles Tejunga Wash, near Stonehurst Comment
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Oct 13 2014
  RSA587386  Juniperus californica Orlando Mistretta 1992-5-8 283 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E of Little Rock Creek Reservoir 1067 Comment
  UCR159959  Juniperus californica Valerie Soza, G. D. Wallace 2000-1-6 649 Los Angeles Irwindale, San Gabriel Wash: just N of the 210 fwy, south of Huntington Dr 174 Comment
  UCR210495  Juniperus californica R. G. Swinney 2008-11-30 9892 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Canyon, 1.6 mi. north of Foothill Blvd. at El Encanto Dr., at confluence with Fish Canyon 210 Comment
  UCR259228  Juniperus californica Mitch Provance, Callen Huff 2009-4-29 10691 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  RSA640811  Juniperus californica L. C. Wheeler 1930-11-26 s.n. Los Angeles Mojave Desert. Comment
  CAS-BOT-BC235759  Keckiella cordifolia Robert F. Thorne 1967-5-19 36894 Los Angeles Santa Catalina Islasnd: Lower Middle Ranch Canyon below Eagle's Nest 91 Comment
  CAS-BOT-BC235767  Keckiella cordifolia W H Shockley No date on label s.n. Los Angeles Santa Catalina Id. Comment
  CATA799  Keckiella cordifolia Mark L. Hoefs, Robert Given 1991-6-12 1371 Los Angeles Santa Catalina Island: 1/2 mile from Camp Cactus near road between Middle Canyon and Bulrush Canyon 231 Comment
  POM308403  Keckiella cordifolia Henry J. Ramsey, Henry J. Ramsey 1937-12-7 3117 Los Angeles Altadena, North Craig Avenue. Comment
  RSA401703  Keckiella cordifolia Bonnie C. Templeton 1930-5-27 s.n. Los Angeles Higgens Canyon north of Beverly Hills. Comment
  RSA401759A  Keckiella cordifolia F. R. Fosberg 1931-3-23 S- 4325 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon. 35 Comment
  POM21347  Keckiella ternata subsp. ternata Fordyce Griffiths Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe, San Gabriel Ridge. 1616 Comment
  RSA87068  Koeleria macrantha F. W. Peirson 1918-4-28 1596 Los Angeles Road east and south of El Monte. Comment
  RSA584310  Krascheninnikovia lanata T. S. Ross, Steve Boyd 1991-3-23 4283 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  RSA725102  Krascheninnikovia lanata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -119 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  UCR190720  Krascheninnikovia lanata R. G. Swinney 2001-4-18 7927 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  UCR99482  Krascheninnikovia lanata Steve Boyd, Lauren Raz 1997-3-4 9158 Los Angeles Liebre Mtns., S base of Sierra Pelona ridge, east of Crown Valley and NW of Acton Canyon, just north of Sierra Highway c. 0.8 mi. east of Crown Valley Road. 927 Comment
  RSA703546  Lactuca serriola Michael Honer 2004-6-22 2008 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  UCR48966  Lactuca serriola A. C. Sanders 1987-9-18 7360 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  SBBG106258  Lactuca serriola S. A. Junak 1981-7-30 SCl 33 Los Angeles just S of old airfield 262 Comment
  SBBG108937  Laennecia coulteri S. A. Junak 1996-9-28 SCl 673 Los Angeles Box Cyn, ca. 0.46 mi downstream from Triangulation Pt "Snapper" 323 Comment
  POM158252  Lamarckia aurea M. B. Dunkle 1928-3-31 1781 Los Angeles Little Harbor, Santa Catalina Island. 152 Comment
  RSA592302  Lamarckia aurea L. C. Wheeler 1967-5-13 9527 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 262 Comment
  SBBG56851  Lamarckia aurea M. N. Ackley -Feb-1926 3 Los Angeles Eagle Rock 182 Comment
  SEINET10828054  Lamarckia aurea Cyrus G. Pringle 1882-3-31 Pringle s.n. Los Angeles Comment
  RSA161205  Lamium amplexicaule Peter H. Raven 1962-2-1 16877 Los Angeles Los Angeles State and County Arboretum. 183 Comment
  RSA165756  Lamium amplexicaule Wesley O. Griesel 1963-4-23 764 Los Angeles Tapia Park, Santa Monica Mtns. 91 Comment
  UCR197722  Langloisia matthewsii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 92 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  CAS-BOT-BC412752  Lastarriaea coriacea A. J. McClatchie 1893-5-1 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC337928  Lasthenia californica A. C. Sanders; Mark Elvin; et al 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  CAS-BOT-BC338120  Lasthenia californica Le Roy Abrams 1899-4-1 362 Los Angeles Ballona Harbor Comment
  UCR178186  Lasthenia coronaria LeRoy Gross, Valerie Soza 2003-5-15 907 Los Angeles Transverse Ranges; Verdugo Mountains region, Northwest side of mtns, along ridgetop N of La Tuna Canyon Road and south of McDonald Creek, east of Elben Avenue and west of small canyon at the end of Elben Place 518 Comment
  POM361566  Lasthenia glabrata subsp. coulteri Anstruther Davidson 1906-6-18 s.n Los Angeles Ballona Comment
  POM361483  Lasthenia gracilis F. R. Fosberg 1931-3-27 4410 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 80 Comment
  POM6018  Lasthenia gracilis L. R. Abrams 1903-3-14 3134 Los Angeles San Pedro Hills, near Rocky Point. Comment
  RSA719495  Lasthenia gracilis Gary Kovnat, LeRoy Gross 2003-4-5 41 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SD8877  Lasthenia minor J. C. Nevin 1884-1 Los Angeles Los Angeles Comment
  RSA628626  Lathyrus odoratus Steven A. Junak 1997-5-19 SCI- 877 Los Angeles San Clemente Island. Central portion of mesa, on west side of San Clemente Island Ridge Road, across from old airfield, at east end of abandoned building site. 259 Comment
  UCD106524  Lathyrus vestitus var. alefeldii Dan Axelrod 1932-3-21 s.n. Los Angeles 1 mi. east of Claremont, Antelope Valley. Comment
  POM250342  Lathyrus vestitus var. vestitus I. W. Clokey 1931-3-11 5331 Los Angeles San Gabriel Canyon 800 Comment
  SBBG15898  Lathyrus vestitus var. vestitus W. G. Webb 1934-12-12 Los Angeles Glendale, Eagle Rock Comment
  RSA434050  Lavatera assurgentiflora subsp. assurgentiflora F. H. Elmore 1939-2-20 435 Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC321501  Layia glandulosa Geo. B. Grant 1902-4-1 112 Los Angeles Pasadena Comment
  CAS-BOT-BC321532  Layia glandulosa Nora Pettibone; Frank W. Hubby 1897-4-3 s.n. Los Angeles Pasadena Comment
  CHSC35827  Layia glandulosa William Fugimoto 1971-4-18 13 Los Angeles 5 miles SSW of Lancaster in Antelope Valley in Mojave Desert. 762 Comment
  JEPS32793  Layia glandulosa E. R. Blakley 1958-5-9 2264 Los Angeles 2 mi e Gorman 1097 Comment
  UCD133911  Layia glandulosa Tom Gordon 1974-4-26 168 Los Angeles Devil's Punchbowl Road. Around 1 mile south of Longview Road. Comment
  UCD133961  Layia pentachaeta Gordon Pilone 1961-2-14 84 Los Angeles wash area of Ponoma College in Claremont. 365 Comment
Read comments
Feb 2 2020
  SBBG19174  Layia platyglossa M. A. Piehl 1963-12-7 63106 Los Angeles Pyramid Head 7 Comment
  UC53901  Layia platyglossa H. M. Hall 1902-5-1 3069 Los Angeles 10 mi w Palmdale (Antelope Valley); Antelope Valley 838 Comment
  RSA225707  Layia platyglossa subsp. campestris R. F. Thorne, A. C. Gibson 1971-5-22 39732 Los Angeles San Gabriel Mts., Angeles National Forest. Fish Canyon. 305 Comment
  RSA158212  Layia platyglossa subsp. campestris Peter H. Raven 1962-5-9 17662 Los Angeles Canyon south of Mosquito Cove, San Clemente Island 320 Comment
  POM4041  Lepechinia fragrans D. L. Crawford 1916-5-10 s.n. Los Angeles Upper San Dimas Canyon Comment
  RSA703503  Lepechinia fragrans Scott D. White 2004-9-3 10744 Los Angeles San Gabriel Mountains: Grizzly Flat, ca. 1 air mile N of Angeles Crest Hwy and ca. 1 air mi S of Big Tujunga Cyn. Rd. 732 Comment
  SBBG128259  Lepechinia fragrans M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-8 3028 Los Angeles lower Cottonwood Cyn 152 Comment
  SD90423  Lepidium lasiocarpum subsp. lasiocarpum Robert F. Thorne 1966-4-16 36039 Los Angeles San Clemente Island; sandy bank of old, raised beach, 2/3 mile southsoutheast of Eel Point and north of Seal Cove; southwest side of island. 29 Comment
  RSA682499  Lepidium latifolium Scott D. White, Michael Honer 2003-5-7 9199 Los Angeles South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  CAS-BOT-BC12474  Lepidium nitidum Cecil Hart 1927-1-29 s.n. Los Angeles Montebello. Comment
  RSA550688  Lepidium pinnatifidum Timothy S. Ross, Annette Ross 1991-7-29 5712 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona 229 Comment
  UCR261547  Lepidium virginicum var. pubescens R. G. Swinney 2010-2-27 11712 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-BC328080  Lepidospartum squamatum Moxley 1914-9-7 275 Los Angeles On trail to Switzer's Camp; ridge above Arroyo Seco. San Gabriel Mts. Comment
  HSC5929  Lepidospartum squamatum W. H. Kinch 1954-9-30 14 Los Angeles Padua Ave. N Claremont, San Antonio Wash. 335 Comment
  RSA381395  Lepidospartum squamatum R. F. Thorne, M. Z. Thorne 1966-11-1 41377 Los Angeles San Gabriel Mountains, Angeles National Forest; San Antonio Canyon near Mt. Baldy Village Comment
  RSA661005  Lepidospartum squamatum LeRoy Gross, Valerie Soza 2001-5-31 393 Los Angeles Vedugo Mountains Region: Southeast side. Disturbed flat area at end of road (bulldozed) east of Dead Horse Canyon, south off of Las Flores Mountain Way 366 Comment
  UC1283739  Lepidospartum squamatum Beecher Crampton 1965-10-27 7595 Los Angeles ca. 2.6 mi sw of Saugus; US Hwy 99 Comment
  POM272160  Lepidospartum squamatum var. squamatum Lyman Benson 1933-11-12 5729 Los Angeles Westwood, Beverly Hills. 122 Comment
  RSA591404  Leptochloa fusca subsp. uninervia L. C. Wheeler 1951-9-12 143 Los Angeles Foothill Blvd. at San Dimas Wash 365 Comment
  UC1595451  Leptodactylon californicum subsp. glandulosum Tim Ross 1992-7-10 6646 Los Angeles s side Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 969 Comment
  RSA469967  Leptosiphon bicolor Blanche Trask 1901-03 3044 Los Angeles Avalon, Catalina Island. Comment
  RSA0043200  Leptosiphon bolanderi A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-11 33743 Los Angeles Tehachapi Mountains: Hills c 3/4 mile east of Castac Lake, east of the pipeline road and west of Dry Field Canyon. 1280 Comment
  POM321779  Leptosiphon grandiflorus Esther Gerberding 1972-5-15 38 Los Angeles The wash at Pomona college, Claremont 335 Comment
  SBBG64548  Leptosiphon liniflorus R. Hoffmann 1927-9-23 Los Angeles Neenach Comment
  LA52341  Leptosiphon parviflorus Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UC75912  Lessingia glandulifera var. glandulifera E. D. Palmer 1902-6-1 Los Angeles Claremont Comment
  UCR223180  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-7-22 11312 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA0042670  Lessingia glandulifera var. glandulifera S. Kaatmann 1998-10 12 Los Angeles Pitzer College Arboretum. The interior of the Outback, near the path closest to the western boundary. 350 Comment
  CAS-BOT-BC283776  Leymus cinereus Ernest C. Twisselmann 1964-5-7 9390 Los Angeles Mojave Desert. Rosamund region: Avenue E, 3 miles E of Highway US 6 617 Comment
  POM352206  Leymus triticoides Anstruther Davidson 1890-1 s.n. Los Angeles Foothills. Comment
  RSA605002  Lilium parryi Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  RSA468565  Linanthus androsaceus subsp. luteolus Anstruther Davidson 1890-1 s.n. Los Angeles Foothills, L.A. [Los Angeles] Comment
Read comments
Oct 25 2015
  RSA0091726  Linanthus aureus subsp. aureus R. G. Swinney 2011-4-20 14439 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  UC23764  Linanthus breviculus J. H. Barber 1897-7-11 256 Los Angeles Mt. Gleason Summit Comment
  RSA430217  Linanthus californicus Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mountains, Rd N3 at mile marker 20.28, vicinity of Hidden Springs, Angeles National Forest. Comment
  RSA599469  Linanthus dichotomus Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9488 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
  RSA329745  Linanthus parryae Gary D. Wallace 1966-4-24 495 Los Angeles Along Hwy 138 just 1/2 mile S of Pearblossom Hwy. 762 Comment
  RSA594955  Linanthus parryae T. S. Ross 1995-4-26 8395 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft). 1204 Comment
  UC421658  Linanthus parviflorus John Thomas Howell 1928-6-10 3873 Los Angeles Monrovia Canyon San Gabriel Mts. Comment
  RSA729393  Linanthus pungens R. G. Swinney 1998-7-21 6488 Los Angeles Fish Fork Trail, 1.9 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2134 Comment
  RSA468515  Linanthus pungens E. Fitzgerald 1930-07 s.n. Los Angeles Eastern Sierra: opposite Devil's Punchbowl, Angeles National Forest. Comment
  CDA6317  Linaria maroccana T. C. Fuller 1976-3-9 20123 Los Angeles U.C.L.A. Botanic Garden, Westwood. 0 Comment
  UC496532  Lithophragma affine T. Craig 1927-6-8 413 Los Angeles Bear Canyon trail to summit of Mt. San Antonio (summit of Mt. San Antonio); San Gabriel Mts., trail to summit of Mt. San Antonio Comment
  POM1498  Lithophragma affine subsp. mixtum L. R. Abrams 1901-04 1269 Los Angeles Santa Monica Mountains Comment
  RSA567527  Lithophragma bolanderi T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3923 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-BC435638  Lithophragma heterophyllum Timothy S. Ross 1992-5-24 6406 Los Angeles Lower Brown's Gulch: just W of San Gabriel Dam. 463 Comment
  SD217373  Lithophragma maximum Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4318 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  LA202600  Lobelia dunnii var. serrata J. A. Ewan; 1929-8-17 3453 Los Angeles Santa Monica Mountains, lower Trancas Canyon 6 Comment
  SFV12129  Lobularia maritima D. L. Koutnik, P. Collins 1975-4-26 143 Los Angeles Santa Monica Mountains Near intersection of Mulholland and Franklin Canyon. 320 Comment
  UC184327  Loeseliastrum matthewsii A. D. E. Elmer June, 1902 3683 Los Angeles Acton Comment
  SD69784  Logfia filaginoides Robert F. Thorne 1966-4-4 35760 Los Angeles Santa Catalina Island; bluff southeast of Ballast Point and Catalina Harbor. 60 Comment
  POM356944  Lolium perenne subsp. multiflorum Gary D. Wallace 1979-5-17 1843 Los Angeles Los Angeles State & County Arboretum (LASCA), Arcadia Comment
  RSA637496  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 1999-7-15 632 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. 822 Comment
  CAS-BOT-BC271185  Lolium temulentum G. B. Grant 1916-3-1 s.n. Los Angeles Pasadena Comment
  RSA0119948  Lomatium lucidum R. G. Swinney 2014-5-21 16632 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  RSA608884  Lomatium lucidum L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Center Creek off Gold Creek off Little Tujunga Creek. 853 Comment
  UCR258858  Lomatium mohavense R. G. Swinney 2010-5-19 12808 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. 1350 Comment
  RSA597782  Lomatium vaginatum Steve Boyd, Lauren Raz 1997-3-14 9176 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  CAS-BOT-BC240490  Lonicera hispidula Peter H. Raven 1962-5-20 17773 Los Angeles Santa Catalina Island: Avalon Canyon about 1 mile south of Avalon Comment
  CAS-BOT-BC240747  Lonicera interrupta Le Roy Abrams; E. A. McGregor 1908-7-5 629 Los Angeles Swartout [Swarthout] Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  SBBG44570  Lonicera interrupta Leota Davidson 1966-5-15 269 Los Angeles Oak Flat Cmpgrd on Ridge Route, Hwy 99 Comment
  POM4403  Lonicera subspicata var. denudata I. M. Johnston 1917-5-13 980 Los Angeles In San Gabriel Wash. 152 Comment
  RSA455375  Lonicera subspicata var. denudata B. C. Templeton 1920-5-27 1418 Los Angeles Near Mulholland Drive. North of Beverly Hills. 600 Comment
  RSA547468  Lonicera subspicata var. denudata T. S. Ross, Orlando Mistretta 1992-7-24 6739 Los Angeles San Gabriel Mountains; NNE of Strawberry Peak between Coldwater and Wickiup Canyons. 987 Comment
  UCR271990  Lonicera subspicata var. denudata R. G. Swinney 2011-5-31 14899 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  CAS-BOT-BC198567  Lotus A. D. E. Elmer 1902-6-1 3697 Los Angeles Acton, Mt. Gleason Comment
  UC866487  Lotus argophyllus var. argenteus Ezra C. Knopf 378 Los Angeles Santa Catalina Island Comment
  UC75502  Lotus argophyllus var. argophyllus unknown Jun 1904 Los Angeles near Cahuenga Pass Comment
  SEINET8721475 Image available Lotus argophyllus var. ornithopus F. R. Fosberg 1931-1 S 4294 Los Angeles Hamilton Canyon Santa Catalina Island. 10 Comment
  UC153543  Lotus heermannii LeRoy Abrams 1902-7-4 2651 Los Angeles San Gabriel canyon San Gabriel Comment
  RSA755886  Lotus nevadensis R. G. Swinney 2008-7-24 9291 Los Angeles Waterman Mountain 2412 Comment
  RSA229730  Lotus nevadensis var. davidsonii R. F. Thorne 1971-6-26 40604 Los Angeles Summit of Mt. Wilson. 1738 Comment
  RSA250365  Lotus nevadensis var. davidsonii R. F. Thorne 1972-8-11 42201 Los Angeles Angeles Crest hwy. near Three Points Comment
  UC56569  Lotus oblongifolius var. oblongifolius Ernest Braunton May 1902 329 Los Angeles Rivera Comment
  UCR256223  Lotus purshianus R. G. Swinney 2010-6-4 13034 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UC864944  Lotus salsuginosus I. W. Clokey and B. C. Templeton 1930-4-8 4644 Los Angeles San Francisquito Canyon 800 Comment
  UCR126756  Lotus salsuginosus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26135 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
  RSA406849  Lotus scoparius var. brevialatus L. E. Hoffman 1927-7-10 s.n. Los Angeles Swarthout canyon Comment
  RSA647855  Lotus scoparius var. scoparius LeRoy Gross, Laura Moore 2000-6-5 202 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  UCR208069  Lotus scoparius var. scoparius Orlando Mistretta 1995-6-1 1751 Los Angeles San Gabriel Mtns., near mouth of Carr Canyon 945 Comment
  RSA0119951  Lotus strigosus R. G. Swinney 2014-5-21 16630 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  UCR260385  Lotus strigosus var. strigosus R. G. Swinney 2010-2-27 11665 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
  POM271777  Ludwigia peploides subsp. peploides George B. Grant 1897-07 1691 Los Angeles Los Angeles River Comment
  RSA113647  Ludwigia peploides subsp. peploides Peter H. Raven 1957-6-15 10922 Los Angeles 2.6 miles east of Seminole Hot Springs, Santa Monica Mountains. Comment
  UC1481368  Lupinus albifrons David B. Dunn April 1956 RSA- 7325 -6453 Los Angeles Comment
  RSA0061150  Lupinus albifrons var. austromontanus Daisie Huang 2008-3-18 08031802 Los Angeles Along Gorman Post Road, near large Gorman billboard. 1119 Comment
  RSA0061215  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042002 Los Angeles Templin Hwy off I-5. 258 Comment
  NY42968  Lupinus albifrons var. douglasii J. B. Walker 1995-3-29 1293 Los Angeles Angeles National Forest, East Fork Rd, 3km E of junction with Gabriel Canyon Rd 600 Comment
  SBBG95405  Lupinus albifrons var. douglasii M. B. Dunkle 1949-7-25 Los Angeles Coach Rd Comment
  RSA406978  Lupinus albifrons var. eminens Geo. L. Moxley 1920-5-1 s.n. Los Angeles Catalina Island. Comment
  RSA714715  Lupinus bicolor A. C. Sanders 2005-5-5 29920 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark Plum. 701 Comment
  SBBG96987  Lupinus bicolor S. Boyd with T. Ross, L. Arnseth 1990-4-8 4348 Los Angeles near Malo Pt Comment
  SEINET3289849 Image available Lupinus bicolor M. W. Denslow, Steve Boyd 2003-5-7 1085 Los Angeles Transverse Ranges; San Gabriel Mountains region: Lower Glendora Ridge Motorway (1N26) above Azusa. 610 Comment
  UC1871237  Lupinus bicolor T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4949 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  UCR256152  Lupinus bicolor R. G. Swinney 2010-6-4 13055 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR277222  Lupinus bicolor R. G. Swinney 2010-6-1 13172 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
  RSA0023262  Lupinus bicolor Robert F. Thorne 1980-4-25 54134 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  RSA0003371  Lupinus bicolor subsp. marginatus David B. Dunn, C. Epling 1946-4-19 2129 Los Angeles 0.9 mi S junction Hwys 99 & 138. 1067 Comment
  POM2410  Lupinus bicolor subsp. microphyllus C. F. Baker 1909-3-20 5252 Los Angeles Claremont. Comment
  RSA407121  Lupinus chamissonis Richard Arnold 1984-8-10 1021 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2 Comment
  UC57539  Lupinus chamissonis Geo. B. Grant 1903-5-16 5507 Los Angeles Redondo Comment
  RSA0042216  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2832 Los Angeles Santa Catalina Island: Hillside above New York Harbor. 79 Comment
  RSA643153  Lupinus concinnus Orlando Mistretta 1995-3-14 s.n. Los Angeles San Gabriel Mountains: Broad drainage basin on desert edge W of Little Rock Creek. On Emma section of Little Rock Creek Management Unit. 1112 Comment
  RSA0116833  Lupinus elatus R. G. Swinney 2010-9-21 13858 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  CAS-BOT-BC216656  Lupinus excubitus subsp. hallii Grant 1902-5-10 s.n. Los Angeles Arcadia Comment
  RSA599629  Lupinus excubitus var. austromontanus Steve Boyd, Lauren Raz 1997-4-16 9523 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  RSA571657  Lupinus excubitus var. hallii Reid V. Moran 1941-3-13 704 Los Angeles By Creek, mouth of Hermit Gulch, Santa Catalina 50 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
  UCR266428  Lupinus formosus D. E. Bramlet, R. T. Hawke, Michelle Balk, Onkar Singh 2010-9-9 4768 Los Angeles San Gabriel Mountains, Mt. Gleason Rd., 0.5 km airline SE (125 deg. ) of summit 1959 Comment
  POM11096  Lupinus formosus H. D. Collins 1921-4-22 33 Los Angeles Claremont. 366 Comment
  SEINET10937094  Lupinus formosus Everett EVERETT 18943 Los Angeles Natural in the garden at rsabg. Claremont, ca. 305 Comment
  RSA91195  Lupinus formosus var. formosus F. W. Peirson 1920-5-14 4695 Los Angeles Arroyo Seco, near Pasadena 518 Comment
  UC56603  Lupinus formosus var. robustus H. M. Hall Apr. 1902 3055 Los Angeles s side Antelope Valley; s side Antelope Valley Comment
  POM19125  Lupinus guadalupensis P. A. Munz 1923-4-10 6741 Los Angeles San Clemente Island; wall of canyon S of 'Lemon Tank' Comment
  UC1952556  Lupinus guadalupensis M. B. Dunkle 1939-4-5 7279 Los Angeles San Clemente Island, Pyramid Cove Comment
  RSA583061  Lupinus hirsutissimus Tim S. Ross 1993-4-23 6930 Los Angeles Santa Catalina Island, upper E side of Cottonwood Canyon Drainage, ca. 1035 m WNW of Black Jack Mtn. Summit 436 Comment
  RSA0013555  Lupinus latifolius Orlando Mistretta, Christine Mistretta 2011-6-30 5783 Los Angeles North Fork Mill Creek; along Forest Road 3N27. 1200 Comment
  RSA0091106  Lupinus latifolius subsp. latifolius R. G. Swinney 2011-6-30 15376 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  POM2560  Lupinus latifolius subsp. parishii D. W. Sturges 1916-4-12 s.n. Los Angeles Live Oak Canyon Comment
  CAS-BOT-BC211687  Lupinus longifolius Alice Eastwood 1919-5-29 8921 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC211700  Lupinus longifolius Theodore Payne 1925-5-1 s.n. Los Angeles Sierra Madre Comment
  RSA276008  Lupinus longifolius Jack Delaini 1974-5-9 199 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. Johnson Peak Road, at head of Canyon 854 Comment
  RSA91317  Lupinus longifolius F. W. Peirson 1921-4-10 7723 Los Angeles San Dimas Canyon, south base of San Gabriel Mts 442 Comment
  RSA91320  Lupinus longifolius F. W. Peirson 1923-2-10 543 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  HSC104226  Lupinus microcarpus R. G. Swinney 2009-4-24 10439 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR125488  Lupinus microcarpus A. C. Sanders, Mark Elvin 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR192947  Lupinus microcarpus Dan S. Cooper 2008-3-25 s.n. Los Angeles Los Angeles Basin, 300 m north of end of Catalina Ave., Whittier 111 Comment
  RSA127892  Lupinus sparsiflorus Peter H. Raven, Henry J. Thompson 1959-5-5 14134 Los Angeles Mulholland Hwy. 1 mile W of Las Virgenes Rd, Malibu Creek drainage. 335 Comment
  RSA220099  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1971-6-17 39922 Los Angeles 0.6 mi. below Bear Divide station, San Gabriel Mountains, Angeles National Forest 732 Comment
  SD37927  Lupinus succulentus Edith A. Purer 1935-5-11 6588 Los Angeles Milibou Road, Santa Monica Mountains. Comment
  SFV5480  Lupinus succulentus J. H. Lane 1972-3-2 40 Los Angeles San Fernando Valley Los Angeles, Northridge. Along north curb of Nordhoff St. just east of Encino Ave. 256 Comment
  UCR256874  Lupinus succulentus R. G. Swinney 2010-6-8 13212 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA414329  Lupinus succulentus Freda Detmers 1931-3-25 14002 Los Angeles Palos Verdes Hills Comment
  SEINET10489005  Lupinus succulentus August J. Breitung 1954-3-21 Breitung 17967 Los Angeles Muholland drive, santa monica mtns. Comment
  RSA533966  Lupinus truncatus Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5204 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  RSA633354  Lycium andersonii Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  OBI35607  Lycium brevipes Rebecca Cicoria 1981-5-18 28 Los Angeles Off Palos Verdes Dr S at Pt. Fermin, Rancho Palos Verdes Comment
  LA208027  Lyonothamnus floribundus subsp. aspleniifolius D. L. Johnson; 1965-1 Los Angeles Native to islands off Southern California; Planted in UCLA Botanical Garden Comment
  CAS-BOT-BC142285  Lyonothamnus floribundus subsp. floribundus T. S. Brandegee 1887-5-1 s.n. Los Angeles Santa Catalina Island Comment
  SBBG109005  Lyonothamnus floribundus var. aspleniifolius S. A. Junak 1996-10-2 SCl 702 Los Angeles lower portion of Horse Cyn, at foot of long ridge entering cyn from w, 2.78 mi SSW of Thirst 91 Comment
  CATA1037  Lysimachia arvensis Mark L. Hoefs 1995-5-10 1960 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  CATA1575  Lysimachia arvensis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2844 Los Angeles Santa Catalina Island: By upper end of road to Toyon Beach 411 Comment
  RSA77785  Lythrum californicum F. W. Peirson 1920-9-5 291 Los Angeles Eaton Canyon, south base of San Gabriel Mountains. 457 Comment
  RSA0011278  Lythrum hyssopifolia Orlando Mistretta, Christine Mistretta 2008-5-5 2638 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Area 19 per TRTP Survey 2008), in the vicinity of Eaton Canyon, N of New York Drive. 320 Comment
  CAS-BOT-BC203923  Malacothamnus clementinus Frank W. Peirson 1923-4-9 3458 Los Angeles N. slope canon [canyon] at Lemmon [Lemon] Tank, San Clemente Is. Comment
  SBBG131489  Malacothamnus clementinus S. A. Junak 1996-4-15 SCI 344 Los Angeles 0.1 mi inland from mouth of Horse Beach Cyn, on W bank of small E tributary of cyn 15 Comment
  UC18800  Malacothamnus fasciculatus W. H. Brewer 1860-12-21 81 Los Angeles Sierra Santa Monica Comment
  UCR124458  Malacothamnus fasciculatus I. W. Clokey, B. C. Templeton 1929-1 4593 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 300 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
  UC18790  Malacothamnus fasciculatus var. fasciculatus T. Davidson 1892-1 Los Angeles Los Angeles Comment
  RSA0116399  Malacothamnus marrubioides Steve Boyd, T. S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9129 Los Angeles Liebre Mountains region, along Old Ridge Route north of Templin Highway and northwest of the confluence of Castaic Creek and Fish Creek, ca 1000 ft southeast of transit station Hiway . 951 Comment
  UC73953  Malacothrix californica J. Burtt Davy May 9 1896-May 24 1896 2515 Los Angeles Manzana Antelope Valley Comment
  UCR102617  Malacothrix californica B. G. Pitzer 1996-4-20 2689 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  RSA733754  Malacothrix clevelandii R. G. Swinney 2000-5-28 7787 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Redbox Road 2.1 mi. SW of Hwy 39 at Rincon Station; +/-1000. 732 Comment
  UC63105  Malacothrix glabrata H. M. Hall June 1899 Los Angeles Swarthout Canyon San Antonio Mountains 1981 Comment
  RSA0077097  Malacothrix saxatilis R. G. Swinney 2010-4-15 12220 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR131450  Malacothrix saxatilis Alison Lipman 1998-5-7 s.n. Los Angeles South Coastal Plains Region, City Hall property, Rancho Palos Verdes 213 Comment
  UC468868  Malacothrix saxatilis var. tenuifolia C. F. Millspaugh 1919-12-6 4471 Los Angeles vicinity Avalon; Santa Catalina Island Comment
  UCR253907  Malacothrix saxatilis var. tenuifolia Mitch Provance 2009-6-24 0609- 1 Los Angeles Western Transverse Range, about 5 miles SE of Pyramid Lake , c. 0.5 mi. SE of Whitaker Summit on Golden State Highway, adjacent to I-5 820 Comment
  CATA1903  Malosma laurina Elizabeth Baniaga, Joseph Vickers, Ariella Markowitz, Leia Moyse, Makaela Ballard, Benjamin Carter 2012-8-3 Los Angeles Santa Catalina Island: City of Avalon, near base of Hermit Gulch Trail 121 Comment
  SFV2137  Malosma laurina M. L. Vincent 1962-7-10 279 Los Angeles Santa Monica Mountains Piuma Road, 1.5 miles east of Malibu Canyon Road. 220 Comment
  RSA608756  Malus sylvestris Louis C. Wheeler 1963-10-13 8406 Los Angeles Altadena: 47 E. Pine Street. Comment
  SD225018  Malva nicaeensis Scott D. White 1996-3-18 3835 Los Angeles Marina Del Rey Area; Ballona Ck. Floodplain and adjacent N-facing slope, W of Lincoln Bl. And S of Jefferson Bl. 3 Comment
  POM62150  Malva nicaeensis Roxana Stinchfield 1916-6-15 272 Los Angeles House yard - College City. Comment
  UCR205118  Malva parviflora R. G. Swinney 2008-4-17 8680 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  RSA434892  Malva parviflora H. L. Bauer 1929-3-15 s.n. Los Angeles Long Beach. Comment
  RSA5976  Malva parviflora Carl B. Wolf 1932-9-13 4049 Los Angeles Bryant Ranch, 250 ft. S of N boundary & 100 ft. E of drainage ditch in SE 1/4 sect. 27 about 560 ft. east and 250 ft. S of NW corner of SE 1/4 sect. 27. 5 Comment
  UCR255478  Malva pseudolavatera Dan S. Cooper 2014-6-26 614- 40 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  CHSC13875  Marah macrocarpa L. M. Mayer 1974-4-5 125 Los Angeles Big Tujunga Rd. ca 1 mi E of intersection with Mt. Gleason Blvd. Near Tujunga. Comment
  SEINET13276793 Image available Marah macrocarpa R. G. Swinney 2011-1 14506 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UC1870234  Marah macrocarpa var. macrocarpa LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 698 b Los Angeles Transverse Ranges: Verdugo Mountains Region: S side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 822 Comment
  SBBG131671  Matricaria discoidea S. A. Junak 1999-5-20 SCa 949 Los Angeles Cottonwood-Black Jack Rd, near small creekbed, at bird sample point 36 289 Comment
  RSA12393  Matricaria matricarioides C. B. Wolf 1934-4-11 5605 Los Angeles Bryant Ranch E. of Long Beach on mesa. 100 ft. NE of concrete mon. 1864.92 ft. so. of NW corner of section. 15 Comment
  RSA608639  Matricaria matricarioides L. C. Wheeler 1931-3-7 s.n. Los Angeles La Verne. Comment
  OBI35701  Medicago sativa Rebecca Cicoria 1982-4-25 47 Los Angeles Palos Verdes Peninsula; upper end of Altamira Cyn, rancho Palos Verdes Comment
  SD186366  Melaleuca nesophila A. C. Sanders 1987-9-18 7373 Los Angeles El Segundo Dunes, west of LA International Airport. 38 Comment
  CAS-BOT-BC281498  Melica imperfecta Mrs. Jos Clemens 1922-5-5 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC281529  Melica imperfecta W. R. Dudley 1900-7-9 s.n. Los Angeles Slope of San Gabriel Peak Comment
  RSA578134  Melica imperfecta Timothy S. Ross 1993-5-13 7119 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  RSA651811  Melica imperfecta Marion P. Harthill 1972-5-22 714 Los Angeles Cat Canyon. [N of Claremont] Comment
  SBBG56875  Melica imperfecta R. Hoffmann 1929-5-19 Los Angeles Los Angeles Recreation Park 1828 Comment
  SEINET3133935  Melilotus indicus Unknown 1902-5-31 2482 Los Angeles Near Inglewood Comment
  UCR216914  Melilotus indicus R. G. Swinney 2009-3-16 10120 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  LA200587  Mentha canadensis J. A. Ewan; 1931-10-24 5264 Los Angeles 220 Comment
  RSA409919  Mentha spicata Louis C. Wheeler 1931-8-22 17 Los Angeles Puddingstone Lake. 259 Comment
  UCR151375  Mentzelia Scott D. White, Kent Hughes 2000-5-17 7883 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope 671 Comment
  UC303588  Mentzelia micrantha Geo. B. Grant 1904-6-14 6424 Los Angeles Southern California, Monrovia Comment
  UCR280661  Mentzelia micrantha R. G. Swinney 2014-5-21 16605 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA446800  Mentzelia montana Anstruther Davidson 2802 Los Angeles Big Rock Creek. Comment
  RSA529177  Mentzelia montana Tim S. Ross, Steve D. Boyd 1991-7-24 5599 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1927 Comment
  RSA0060683  Mentzelia veatchiana R. G. Swinney 2009-4-2 10259 Los Angeles Bob s Gap, 3.2 miles south of Hwy 138 on east side of Bob s Gap Road. 1223 Comment
  CAS-BOT-BC167629  Mentzelia veatchiana Timothy S. Ross; Steve Boyd 1994-5-25 7899 Los Angeles West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  CAS-BOT-BC435244  Mesembryanthemum crystallinum R. E. Snodgrass 1901-8-1 s.n. Los Angeles Santa Barbara Island Comment
  RSA393757  Micropus californicus Geo. L. Moxley 1915-5-9 322 Los Angeles Low hills Comment
  LA88395  Micropus californicus var. californicus O. H. Kappler; 1941-4-6 186 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA589496  Microseris lindleyi Timothy S. Ross, Gery Allan, Mark Elvin, Jennifer Stone 1995-5-19 8588 b Los Angeles San Clemente Island: Northern tributary of Canchalagua Canyon, ca. 1070 ft NNE of the 1135-ft trangulation point. 256 Comment
  PASA329  Microseris linearifolia Sally Ellis 1940-4-16 Los Angeles Evy's canyon, Claremont Comment
  JEPS4580  Mimulus Frank W. Peirson 1919-5-18 434 Los Angeles hills e Monrovia Canyon; San Gabriel Mountains 457 Comment
  RSA654212  Mimulus aurantiacus Marilyn Porter 1991-5-19 32 Los Angeles Upland at San Bernardino County line south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 671 Comment
  POM19079  Mimulus aurantiacus var. parviflorus P. A. Munz 1923-4-10 6707 Los Angeles San Clemente Island; wall of canyon S of 'Lemon Tank' Comment
  OBI9533  Mimulus aurantiacus var. pubescens H. E. McMinn 1949-6-13 5600 D Los Angeles Foothills of San Gabriel Mts, Hwy 118 Comment
  UC943827  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-6 1888 B Los Angeles hills a few mi w Pomona (on Highway 99 at summit of grade on high cut s side of road) Comment
  RSA592430  Mimulus aurantiacus var. puniceus Mark Hoefs 1973-3-13 61 Los Angeles Santa Catalina Island. Upper Avalon Canyon, by water tank above Wrigley Memorial. 290 Comment
  UC886335  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-3-31 S 4429 Los Angeles divide between Hamilton Canyon and Descanso Canyon; Santa Catalina Island 40 Comment
  RSA279125  Mimulus aurantiacus var. puniceus Robert F. Thorne, D. Propst, M. Hoefs 1974-9-12 45105 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  SEINET3159637  Mimulus bifidus G. B. Grant 1904-5-24 286 Los Angeles From Altadena, southern California. Comment
  RSA747187  Mimulus bigelovii R. G. Swinney 2008-6-10 9007 Los Angeles Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail. 1585 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
  CLARK-A1528-863  Mimulus cardinalis Kathi Klimberg 1970-5-24 Los Angeles Santa Catalina Island Comment
  RSA311409  Mimulus cardinalis Cheryl A. Lawson 1971-7-9 418 Los Angeles Little Tujunga Canyon, San Gabriel Mountains, Angeles National Forest. Comment
  RSA580094B  Mimulus cardinalis Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-6 8117 B Los Angeles Tributary of Clearwater Canyon: fork area of major blueline tributary which drains southward form Tule Ridge and joins Clearwater Canyon at Plum Spring. (section not demarcated on my map). 814 Comment
  RSA420678  Mimulus cardinalis R. S. Woglum 1935-04 1285 Los Angeles San Gabriel Canyon. Comment
  RSA650614  Mimulus cardinalis R. S. Woglum 1937-7-17 832 Los Angeles Soldier Creek, North Fork San Gabriel River Canyon. Comment
  UCSB7511  Mimulus cardinalis Crum, Charles 1958-7-15 Los Angeles Creek bed of Topanga Canyon Comment
  UC1587750  Mimulus flemingii Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5293 Los Angeles 1800 ft se Malo Knoll (upper portion of drainage draining to Mosquito Cove (drainage beginning 800 ft n of Rest marker)); San Clemente Island, West Fork of Near-Death Canyon 274 Comment
  RSA0057894  Mimulus floribundus Richard G. Swinney 2010-9-7 13689 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  SEINET13387032 Image available Mimulus floribundus R. G. Swinney 2011-1 15768 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  UCR271184  Mimulus floribundus R. G. Swinney 2011-9-27 15713 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  UCR71246  Mimulus floribundus Steve Boyd 1990-4-8 4291 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  POM36  Mimulus fremontii Sadie Pearl Bixby 1902-4-27 s.n. Los Angeles San Dimas Wash. Comment
  UCD122614  Mimulus fremontii var. fremontii Geoffrey Levin 1975-5-17 502 Los Angeles 1.5 mi. east on State 138 from junction with State 18 near Pinyon Hills. Drainage Area: Mohave River. 1158 Comment
  UCR258605  Mimulus guttatus R. G. Swinney 2010-8-26 13606 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  SBBG98482  Mimulus guttatus T. Ross 1991-5-21 5411 Los Angeles jct of two fks of Box Cyn 449 Comment
  UC203498  Mimulus johnstonii I. M. Johnston 1917-6-20 1486 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  CHSC114476  Mimulus moschatus Duncan S. Bell; Caitlin Elam 2013-6-24 5281 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA700511  Mimulus moschatus Gary D. Wallace 1985-7-5 2239 Los Angeles San Gabriel Mountains: Mt. Islip. Angeles National Forest. 2515 Comment
  UC76066  Mimulus nasutus Geo. B. Grant April 1901 788 Los Angeles Griffith Park Los Angeles Comment
  RSA226103  Mimulus pilosus Robert F. Thorne, C. W. Tilforth 1971-6-17 39915 Los Angeles Near small pond in canyon below Placerita Canyon road 2.6 mile below junction with Sand Canyon road; W end San Gabriel Mts. 549 Comment
  CAS-BOT-BC388671  Minuartia douglasii Munz; Street; Williams 1919-4-5 2425 Los Angeles Puddingstone Canon [Canyon], San Dimas 274 Comment
  RSA678784  Minuartia douglasii V. Soza, Steve Boyd 2002-4-10 1413 Los Angeles West side of Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 564 Comment
  RSA778738  Minuartia douglasii Orlando Mistretta, Christine Mistretta 2010-6-1 5236 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  SEINET3167816  Mirabilis laevis Robert F. Thorne 1968-4-28 37483 Los Angeles Santa Barbara Island: sunny, floriferous, S-facing slope of high bluff on E side of ebayment of Cat Canyon 69 Comment
  UCR256254  Mirabilis laevis R. G. Swinney 2010-3-22 12086 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  SD84780  Mirabilis laevis var. crassifolia Reid Moran 1941-3-14 706 Los Angeles Santa Catalina Island, on ridge north of Middle Ranch. 299 Comment
  RSA0115480  Mirabilis multiflora var. pubescens T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2080 Los Angeles Tehachapi Mountains Foothils/ Western Antelope Valley: outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138. 915 Comment
  RSA464637  Mirabilis multiflora var. pubescens T. W. Minthorn 1927-6-11 s.n. Los Angeles Near Neenach. Comment
  UCR106889  Monardella australis L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mtns., Divide between W Fork Bear Creek and Devils Canyon 1822 Comment
  UCR209105  Monardella australis R. G. Swinney 2008-6-18 9071 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
  UC205372  Monardella australis subsp. cinerea I. M. Johnston 1917-7-4 1421 Los Angeles s slope Baldy; San Antonio Mountains 2667 Comment
  UC284651  Monardella australis subsp. cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Little Baldy, type station San Antonio Mountains 2895 Comment
  SEINET2065871 Image available Monardella breweri E. R. Blakley 1958-5-10 2280 Los Angeles 14 miles E of Qual Lake on Hwy 138 in Antelope Valley 914 Comment
  RSA164854  Monardella cinerea Wesley O. Griesel 1963-8-1 s.n. Los Angeles Slopes of Mt. San Antonio 2835 Comment
  RSA605657  Monardella exilis Louis C. Wheeler 1965-6-21 8695 Los Angeles Mojave Desert: ca. 3 miles E of 90th Street, East & Ave. O, on Ave. O; ca. 1 mile W of Alpine Butte Wildflower Sanctuary.. . Comment
  UC130970  Monardella exilis Katharine Brandegee May 1909 Los Angeles Lancaster Mohave Desert Comment
  RSA401624A  Monardella macrantha subsp. hallii Louis C. Wheeler 1932-7-2 899 Los Angeles San Dimas Canyon - Browns Flat trail, San Gabriel Mountains. 1220 Comment
  POM47136  Monardella viridis subsp. saxicola I. M. Johnston 1924-8-13 s.n. Los Angeles Head of Evey Canyon at Sunset Trail. 1524 Comment
  RSA478836  Monolepis nuttalliana Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UC50102  Monolopia lanceolata W. H. Brewer Feb. 1861 185 Los Angeles Cahuenga Pass Comment
  UCR274954  Monolopia lanceolata Michael Honer, Rachel Woodard 2006-4-12 2181 Los Angeles Tehachapi Mountains area, Hills above Oso Cyn.; c. 1.5 miles NNW of Quail Lake, 2 miles west of cement plant rd. 1128 Comment
  SFV20885  Morus alba L. Gross, B. Hogshead, V. Soza 2003-5-29 965 Los Angeles Verdugo Mountains West end of Verdugo Mountains at junction (saddle) of Verdugo Motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago). Went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). 549 Comment
  UC72687  Mucronea californica Geo. B. Grant 1901-1 173 Los Angeles Arcadia Comment
  UCR163982  Muhlenbergia californica Naomi Fraga, LeRoy Gross, Orlando Mistretta, Maybeth Alva 2004-6-14 1256 Los Angeles Transverse Ranges; San Gabriel Mountains region, Day Canyon, past old gauging Station, north of Day Canyon Ave., south of Cucamonga Peak 1037 Comment
  CAS-BOT-BC275288  Muhlenbergia microsperma Joseph Burtt Davy 1901-3-1 s.n. Los Angeles Saugus Comment
  SD85123  Muhlenbergia microsperma E. R. Blakley 1963-12-7 6327 Los Angeles rock crevices on south slope, west of Pyramid Head, south of Lighthouse, San Clemente Island 38 Comment
  RSA0070069  Muhlenbergia microsperma Mark L. Hoefs 1991-4-16 1107 Los Angeles Santa Catalina Island: Renton Mine Road. 249 Comment
  RSA725845  Muhlenbergia richardsonis R. G. Swinney 1997-7-16 5669 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  POM11634  Muilla maritima Philip A. Munz 1921-6-18 4631 Los Angeles Head of Swartout Valley. 2287 Comment
  RSA748584  Muilla maritima Scott D. White, Justin M. Wood 2009-5-6 12642 Los Angeles San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  SD85031  Munzothamnus blairii E. R. Blakley 1963-12-8 6385 Los Angeles San Clemente Island; head of canyon above Mosquito Cove and between triangulation points Malo and Chenity. 305 Comment
  RSA0010805  Myoporum laetum Scott D. White 1995-12-5 3775 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  SBBG98052  Myriopteris newberryi T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5221 Los Angeles vicinity of Knob, 5100 ft NW of Guds 251 Comment
  NY1082298  Nama demissum N. H. Holmgren 1974-4-4 7622 Los Angeles Mohave Desert, Antelope Valley, just north of Lovejoy Buttes, 18 airline miles east-southeast of downtown Lancaster 823 Comment
  CAS-BOT-BC259799  Nassella cernua Timothy S. Ross; Steve Boyd 1994-5-25 7921 Los Angeles Liebre Mountains. Necktie Basin: ca. 470-830 m W of Warm Springs Mountain summit. These collections from ca. 600-800 m WSW of summit 1075 Comment
  POM1066  Nassella cernua Anstruther Davidson 1918-04 s.n. Los Angeles Vacant lot in Los Angeles Comment
  SBBG33220  Nassella cernua S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-5 SCa 548 Los Angeles just N of rd to Toyon Bay, 1.1 rd mi from intersection with Airport Rd 316 Comment
  UCD87888  Nassella lepida P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Comment
  SBBG96837  Nassella pulchra S. Boyd with T. Ross, L. Arnseth 1990-4-7 4199 Los Angeles upper reaches of China Cyn Comment
  SBBG98678  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5077 Los Angeles lower Wilson Cove Cyn; draw SW of and above pier operations 15 Comment
  CAS-BOT-BC65037  Nasturtium gambelii Dennis E. Breedlove 1904-1-1 s.n. Los Angeles Cienaga Comment
  RSA0098774  Nasturtium officinale R. G. Swinney 2011-6-1 14958 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA431554  Nasturtium officinale Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  RSA0036178  Navarretia Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  RSA114444  Navarretia atractyloides E. K. Balls 1955-6-23 20792 Los Angeles native to Botanical Garden site, Claremont 335 Comment
  SBBG91834  Navarretia hamata S. A. Junak 1978-4-15 SCa 030 Los Angeles N side of Cherry Valley above Boy Scout Camp 45 Comment
  RSA65001  Nemacaulis denudata var. denudata F. W. Peirson 1951-8-18 1781 Los Angeles Alamitos, Long Beach Comment
  RSA674853  Nemacladus ramosissimus Scott D. White, Kent Hughes 2000-5-17 7872 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  RSA213338  Nemophila menziesii Reid V. Moran 1941-3-6 681 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 300 Comment
  UCR96143  Nemophila menziesii B. G. Pitzer 1996-4-21 2708 Los Angeles Western Mojave Desert, Antelope Valley. north side of State Hwy 138 (= Ave. 'D'), c. 2 mi. west of Country Store, at town of Neenach (c. 30 mi. west of Hwy I-14). 915 Comment
  UC1871057  Nemophila menziesii var. integrifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4789 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  RSA295231  Nemophila pulchella var. pulchella Paul Currie 1969-1 s.n. Los Angeles Millard Canyon, vicinity of Altadena 610 Comment
  SEINET3156503  Nemophila racemosa G. B. Grant, W. Wheeler 1904-4-21 831 /3671 Los Angeles On Santa Catalina Island, Pacific Ocean, off southern California Comment
  CAS-BOT-BC506644  Nephrolepis cordifolia R. E. Riefner, Jr. 2015-8-15 15 -227 Los Angeles City of Los Angeles, Pacific Palisades, vicinity of Arno Way and Pintoresca St. at Bay Club Drive 45 Comment
  UC64486  Nicotiana attenuata H. M. Hall Jun 1899 Los Angeles Swartout Canyon; San Antonio Mountains 1828 Comment
  RSA426678  Nicotiana bigelovii Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles. Comment
  RSA701674  Nicotiana bigelovii Kenneth Beard s.n. Los Angeles Along coast highway; north of Santa Monica Comment
  RSA482198  Nicotiana glauca Richard Noyes 1987-9-19 426 Los Angeles Claremont. Intersection of Mills Avenue and Mt. Baldy Road. 500 Comment
  RSA668160  Nicotiana glauca Don Jillson 1961-3-19 s.n. Los Angeles Scholl Canyon. 290 Comment
  SD21283  Nicotiana glauca Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island, Avalon Comment
  UCR223676  Nicotiana glauca R. G. Swinney 2009-6-12 11125 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  SEINET6174915  Nicotiana glauca E. Braunton 1902-5-10 337 Los Angeles Rivera Comment
  SEINET10696841  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3974 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10696864  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3947 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA610519  Notholaena californica subsp. californica L. C. Wheeler 1933-2-18 1462 Los Angeles Rogers Canyon, San Gabriel Mts. 365 Comment
  UC873905  Oenothera californica subsp. californica C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4745 Los Angeles Bouquet Canyon 800 Comment
  RSA0069417  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-9-1 13641 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA595591  Oenothera elata subsp. hirsutissima Lauren Raz, Steve D. Boyd 1996-10-23 46 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 610 Comment
  POM355623  Oenothera elata subsp. hirsutissima Frances L. Cramer 1934-9-6 s.n. Los Angeles Flood control along road between Los Angeles and Long Beach. Comment
  POM159520  Oenothera macrocarpa Unspecified s.n. Los Angeles [No location information on label.] Comment
  CATA1882  Ophioglossum californicum Lauren K. Danner, Jenny McCune 2005-3-1 Los Angeles Santa Catalina Island: Roughly half way between Black Jack Mountain and the aiport, to the northwest (315 deg. ) of Black Jack, ca. 40 m from streambed, found in oak releve #126, population is ca. 25m from reference corner which is a rusty T-post with a silver tag reading 2466 360 Comment
  SEINET10732294  Opuntia X occidentalis George Engelmann 1880-11-1 Engelmann s.n. Los Angeles Comment
  RSA799966  Opuntia basilaris var. treleasei Pam De Vries 2013-5-17 7812 Los Angeles Tehachapi Mountains/Western Transverse Range (Groman Hills): About 3.5 air mi SE of the town of Gorman, 0.75 air mi NNE of the Quail Lake Road off ramp on the I5. Hills east of Gorman Creek, west of Gorman Post Road. 1068 Comment
  RSA668042  Opuntia oricola F. R. Fosberg 1931-5-18 S 4892 Los Angeles Santa Catalina Island, Little Harbor 3 Comment
  RSA748440  Orobanche Orlando Mistretta 1992-7-23 s.n. Los Angeles Bear Canyon, Prescribed Burn, Arroyo Seco Ranger District Comment
  RSA0059274  Orobanche bulbosa Ivan M. Johnston 1917-7-1 1430 Los Angeles San Antonio Mountains. Evey Canyon. 1372 Comment
  POM353700  Orobanche cooperi Anstruther Davidson 1912 Los Angeles Little Rock. [San Gabriel Mts.] Comment
  CATA1794  Orobanche parishii subsp. brachyloba Benjamin E. Carter, Tony Summers 2012-8-16 6978 Los Angeles Santa Catalina Island: Below Lasso Loop, between Ben Weston Point and China Point 80 Comment
  UCR147620  Orobanche valida subsp. valida Naomi Fraga, LeRoy Gross, B. Hogshead 2004-5-20 1197 Los Angeles Transverse Ranges; San Gabriel Mountains region, North Fork of Lytle Creek, on slopes along north side of the canyon, northeast of Paiute Campground 1860 Comment
  SEINET10661444  Oryza sativa Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2660 Los Angeles City of Glendale. Arko International Foods, 1428 E. Colorado Blvd. Comment
  UC166735  Osmadenia tenella unknown 1904-5-24 125 Los Angeles Pasadena Comment
  CAS-BOT-BC355766  Osmadenia tenella K. Scott 1921-5-10 1447 Los Angeles College Campus [Occidental College] Comment
  POM175343  Osmorhiza brachypoda E. Crow 1930-6-29 s.n. Los Angeles Pine Flats, San Gabriel Mountains. Comment
  RSA721719  Osmorhiza brachypoda R. G. Swinney 1995-3-11 3382 Los Angeles Glendora, Big Dalton Canyon 378 Comment
  RSA97392  Osmorhiza brachypoda F. W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco Canyon, near Pasadena. 610 Comment
  UC501491  Osmorhiza brachypoda Joseph Andorfer Ewan 1932-6-17 7349 Los Angeles Arroyo Seco San Gabriel Mountains (stream bottom) 1097 Comment
  UCR51316  Oxalis pes-caprae A. C. Sanders 1988-2-3 7596 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  CDA4686  Oxalis pes-caprae L. C. Wheeler 1973-3-29 s.n. Los Angeles West side Millard Canyon: Between Canyon Crest Drive & National Forest Boundary. . 0 Comment
  CAS-BOT-BC520324  Oxytheca trilobata R. G. Swinney 2011-6-29 15361 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 m downstream (S) from Monte Cristo Campgrund 1082 Comment
  POM184704  Oxytheca trilobata Joseph A. Ewan 1932-6-14 7403 Los Angeles Above Sulphur Springs, east of Pacifico Mt. 1677 Comment
  CAS-BOT-BC121164  Paeonia californica C. F. Baker 1903-4-1 5045 Los Angeles Claremont Comment
  RSA608455  Panicum capillare L. C. Wheeler 1946-9-8 6348 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 3/4 mile W of Bear Creek. 518 Comment
  RSA594451  Panicum miliaceum D. L. Banks 1996-3-11 862 Los Angeles Claremont; Oakwood Apartments; 580 S Bucknell Ave.; S side of building next to Patio of Apartment Q. Comment
  SBBG89728  Parietaria hespera var. californica M. B. Dunkle 1939-4-3 Los Angeles Chenetti Cyn Gorge Comment
  UCR205557  Parietaria hespera var. hespera R. G. Swinney 2008-5-30 8882 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, tributary on south side of canyon 0.1 mi. east of park office 305 Comment
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Oct 8 2009
  UCR248044  Parietaria judaica Kai T. Palenscar, Jonas Winbolt 2013-7-24 s.n. Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Long Beach, northern side of Los Angeles River, under Pacific Coast Highway and West Anaheim Street overpasses 6 Comment
  RSA720239  Parkinsonia aculeata LeRoy Gross 2007-4-27 2660 Los Angeles Southern front of the range; Debris basin behind Bel Aire ball park. Corner of Cambridge Drive and Bel Aire Drive in Burbank. Near. 273 Comment
  SD186361  Parthenocissus vitacea Andy C. Sanders, Andy Thompson 2003-4-15 26020 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park 316 Comment
  POM301691  Paspalum dilatatum J. C. Roos 1942-10-1 1736 Los Angeles North Boyle and Brooklyn Ave. Comment
  UCR176575  Passiflora caerulea Harry Spilman 1998-4-29 01 Los Angeles South Pasadena, south side of equestrian trail north of the tunnel that passes under the Pasadena (110) Freeway, immediately east of Stoney Drive 183 Comment
  SEINET10734589  Passiflora morifolia S. Krosnick 2008-7-27 Krosnick 578 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Nong Nooch Tropical Botanical Garden in Pattaya, Thailand. Material was given to NNTBG (#03-946) by C. Laurens Comment
  UCR177144  Pectocarya anisocarpa L. C. Wheeler 1967-5-8 9352 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 396 Comment
  SBBG53196  Pectocarya linearis subsp. ferocula R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -218 Los Angeles lower-middle Bullrush Cyn, Salta Verde Comment
  RSA549537  Pectocarya linearis subsp. ferocula Tim Ross 1992-4-27 6244 Los Angeles Claremont: S side of Indian Hill Mesa, SW of RSA ground. 393 Comment
  JEPS85117  Pectocarya penicillata Roy E. Buck and Rexford Palmer 1989-4-29 1231 Los Angeles 2.7 km n Gorman Creek and Hungry Valley drainage confluence (10 km sse of Gorman); Lower Hungry Valley 922 Comment
  RSA624987  Pectocarya penicillata L. C. Wheeler 1963-5-5 8251 Los Angeles Bear Creek, off West Fork San Gabriel River. 548 Comment
  UCD120141  Pectocarya platycarpa Daryl Koutnik 1978-3-23 126 Los Angeles north of State Highway 18 and just west of Los Angeles/San Bernardino county line. 960 Comment
  UC1595475  Pectocarya recurvata Tim Ross 1992-4-4 6105 Los Angeles 1 mi se Black Butte (middle butte of the three); sw Mojave Desert, Three Sisters 969 Comment
  UCR182136  Pectocarya setosa R. G. Swinney 1998-4-14 5988 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA686717  Pellaea andromedifolia F. R. Fosberg 1931-4-2 R 86 Los Angeles Santa Catalina Island. Divide between Hamilton and Descanso Canyons. 100 Comment
  CAS-BOT-BC67703  Pellaea andromedifolia unspecified 1902-6-12 677 Los Angeles Mt. Wilson 1219 Comment
  RSA651029  Pellaea andromedifolia var. andromedifolia Kenny Swinger 1949-1-2 s.n. Los Angeles S.G. [San Gabriel] Mountains [County: L.A. or San Bernardino] 304 Comment
  POM281941  Pellaea mucronata subsp. mucronata George L. Fisher 1929-6-8 102 Los Angeles Glendale. 305 Comment
  UCR204273  Pellaea mucronata var. californica T. R. Pray 1958-7-25 1101 Los Angeles Transverse Ranges; San Gabriel Mountains region, E end of San Gabriel Mountains 2439 Comment
  RSA583040  Pellaea mucronata var. mucronata T. S. Ross 1993-4-22 6875 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak. 419 Comment
  RSA86271  Pellaea mucronata var. mucronata F. W. Peirson 1919-12-2 1514 Los Angeles West Fork of Rubio Canyon, south base of San Gabriel Mtns 762 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
  CHSC99687  Pennisetum setaceum LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 284 Los Angeles Verdugo Mountains: Chandler Fire Road, above locked gate at corners of Olivia Terrace and Edmore Street, Sun Valley. Growing next to a concrete gutter. 365 Comment
  RSA623866  Pennisetum setaceum Kathleen J. Wilder 1991-5-11 76 Los Angeles Mt. Fiji, on Occidental Campus Comment
  UCSB45224  Pennisetum setaceum Batson, J. 1979-5-12 Los Angeles Highway 1 at its junction with Highway 23 near Malibu 22 Comment
  RSA412440  Penstemon centranthifolius Edwin Kline 1924-5-25 s.n. Los Angeles Bouquet Canyon, Sierra Pelona Mts. Comment
  SD112108  Penstemon centranthifolius Linda Allen 1975-6-15 Los Angeles Century Ranch, W. Santa Monica Mts., north facing slope Comment
  JEPS11574  Penstemon centranthifolius Frank W. Peirson 1918-5-26 200 Los Angeles Henniger Flats San Gabriel Mountains, Henniger Flats 868 Comment
  RSA650286  Penstemon centranthifolius Ken Chapman, Glenn Harthorn, Don Lage 1949-4-16 s.n. Los Angeles Lake Hughes. Found on hillside above Lake Hughes. 999 Comment
  UC1537428  Penstemon centranthifolius Gordon H. True Jr. 1935-5-10 279 Los Angeles head of Bouquet Canyon 975 Comment
  UC1584891  Penstemon grinnellii Tim Ross, Steve Boyd 1991-7-24 5623 Los Angeles ridge nne G.M. (Granite Mountain vicinity); , Pacifico Mountain Quad, nne G.M. 1865 Comment
  UCSB6179  Penstemon heterophyllus Gill, Robert 1959-6-10 Los Angeles Johnson pasture; San Gabriel Mt Range Comment
  LA51913  Penstemon heterophyllus var. australis J. A. Ewan; 1931-5-16 4204 Los Angeles Comment
  NY601644  Penstemon heterophyllus var. australis L. Abrams 1902-7-1 2641 Los Angeles Little Santa Anita Canyon Comment
  POM4269  Penstemon heterophyllus var. australis C. F. Baker 1909-5-15 5319 Los Angeles San Antonio Canyon, Claremont. Comment
  RSA407918  Penstemon heterophyllus var. australis N. C. Cooper 4211 Los Angeles Angeles Crest Highway. 1067 Comment
  JEPS13709  Penstemon incertus R. Hoffman 1931-4-28 334 Los Angeles between Willow Springs and Neenach (Antelope Valley); , btw Willow Springs and Neenach Comment
  RSA0106852  Penstemon labrosus R. G. Swinney 2011-7-29 15579 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  SBBG66552  Penstemon labrosus V. Duran 1933-7-19 3519 Los Angeles Buckhorn 1981 Comment
  UCR209871  Penstemon rostriflorus R. G. Swinney 2008-7-16 9248 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  RSA132251  Penstemon rostriflorus Gale Sphon 1959-6-27 373 Los Angeles Angeles National Forest: 9.5 miles west of Wrightwood. Comment
  RSA401904  Penstemon spectabilis subsp. subviscosus L. E. Hoffman 1927-8-16 s.n. Los Angeles Upper Arroyo Seco, near Switzer's Camp. Under Club Pk. 1159 Comment
  POM4778  Pentachaeta aurea H. M. Hall 1909-5-20 s.n. Los Angeles Claremont. 365 Comment
  RSA0070783  Pentagramma triangularis P. H. Raven 1962-4-10 17221 Los Angeles San Clemente Island: Summit ridge about 2 miles north of Thirst. 487 Comment
  LA94187  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-5-14 2036 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Peak, ca 0.5 mi above Barham Blvd, NW [label says NE] side of Cahuenga Peak. 304 Comment
  LA94194  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1706 Los Angeles SANTA MONICA MOUNTAINS, S of Monte Nido on Piuma Rd at 2nd[?] switchback. 290 Comment
  UC812467  Pentagramma triangularis subsp. triangularis F. R. Fosberg 1931-3-20 R 76 Los Angeles Hamilton Canyon; Santa Catalina Isl 35 Comment
  OBI35706  Peritoma arborea Rebecca Cicoria 1982-4-25 52 Los Angeles Palos Verdes Peninsula: Agua Magna Cyn, Rolling Hills Comment
  RSA471846  Perityle emoryi M. B. Dunkle 1930-7-13 2435 Los Angeles Silver Canyon, Santa Catalina Island. Comment
  UC90637  Perityle emoryi K. Brandegee May 1889 Los Angeles Santa Catalina Comment
  RSA788639  Petunia parviflora D. E. Bramlet, R. L. Allen 2011-5-23 4843 Los Angeles Whittier Narrows Recreation Area. N shoreline of the middle Legg Lake, 301m east of Rosemead Blvd. and 532m S 60 freeway. 64 Comment
  POM71760  Phacelia austromontana I. M. Johnston 1925-8-1 6610 Los Angeles San Antonio Mountains: western end Ontario Peak ridge. 2348 Comment
  UC1260170  Phacelia austromontana Robert F. Thorne and Larry DeBuhr 1974-6-28 44746 Los Angeles Lily Springs area San Gabriel Mts., Angeles National Forest, Mt. Hawkins, S. F (on n slope of mt., drainage of creek) 2438 Comment
  RSA650548  Phacelia cicutaria var. hispida A. E. Hersh 1950-7-15 s.n. Los Angeles about 3 miles from west end of Topanga Canyon. El. 152 Comment
  RSA752478  Phacelia cicutaria var. hispida Justin M. Wood 2009-4-22 528 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  UCR125610  Phacelia cicutaria var. hispida A. C. Sanders 2003-5-22 26824 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
  UCR280771  Phacelia cicutaria var. hispida R. G. Swinney 2014-5-19 16586 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
  RSA517135  Phacelia cicutaria var. hispida Tim S. Ross 1990-5-14 2492 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1149 Comment
  UCR194563  Phacelia ciliata A. C. Sanders 2008-4-25 35110 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  RSA756127  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2008-4-30 2566 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
  RSA348940  Phacelia curvipes Robert F. Thorne 1963-5-15 31676 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  POM127072  Phacelia davidsonii George B. Grant 1902-06 957 Los Angeles Summit of Mt. Wilson. 1829 Comment
  UC1745624  Phacelia davidsonii Annetta M. Carter 1951-5-21 3058 Los Angeles Horse Flats, San Gabriel Mtns. Comment
  LA38569  Phacelia distans Carl Epling; J. A. Ewan June 1933 sn Los Angeles Santa Monica Mountains, Temescal Canyon Comment
  RSA426232  Phacelia distans Roy R. Snelling 1977-4-18 8 Los Angeles 2 miles south of Pearblossom. 1067 Comment
  RSA593823  Phacelia distans Steve Boyd 1996-4-25 8714 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  RSA725204  Phacelia distans Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -43 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SBBG17884  Phacelia distans P. H. Raven 1962-4-11 17306 Los Angeles just S of Eel Pt 6 Comment
  SD44546  Phacelia distans Kay H. Beach 1943-4-21 Los Angeles San Gabriel Mountains; mouth of Big Dalton Canyon. 334 Comment
  JEPS2329  Phacelia douglasii W. L. Jepson 1935-4-17 17049 Los Angeles 6 1/2 mi w Lancaster; w. Mohave Desert 731 Comment
  UC284786  Phacelia floribunda P. A. Munz 1923-4-12 6779 a Los Angeles Wilson's Cove San Clemente Island Comment
  RSA0061139  Phacelia fremontii LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6844 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA704353  Phacelia fremontii Gary D. Wallace 1982-4-17 1922 Los Angeles Bob's Gap. Comment
  UCR121213  Phacelia fremontii June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  UCR222845  Phacelia fremontii R. G. Swinney 2009-4-28 10559 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR280694  Phacelia fremontii R. G. Swinney 2014-4-10 16044 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
  RSA75353  Phacelia fremontii F. W. Peirson 1926-4-26 6651 Los Angeles Foot of grade north of Vincent on Palmdale road. Comment
  LA34669  Phacelia grandiflora Mary V. Hood; 1938-5-30 38 12 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  POM155609  Phacelia grandiflora M. L. Bryan 1928-5-9 47 Los Angeles Mandeville canyon. Near Santa Monica. Comment
  SD252350  Phacelia grandiflora Steven A. Junak 2000-5-18 Sca 1290 Los Angeles Santa Catalina Island: Above Goat Harbor, in area burned last year (July 1999); on coastal N-facing slope. 356 Comment
  SFV16029  Phacelia grandiflora P. W. Byrne, K. Moser 1994-5-14 25 Los Angeles Santa Monica Mountains Offroad, 30 m from southwest junction between Stunt Road and Mulholland Highway. 325 Comment
  UCR200028  Phacelia grandiflora Valerie Soza, Susan Caplow 2003-4-11 1626 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, south of junction of Brand Park Motorway and Verdugo Motorway, alongside Brand Park Motorway, head of Brand Canyon 762 Comment
  UCR131371  Phacelia hubbyi Jeremiah George 2001-5-29 010 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  UCR280640  Phacelia hubbyi Mike Misenhelter 2017-4-18 s.n. Los Angeles Los Angeles Basin; Puente Hills, edge of Rose Hills Cemetery, off Workman Mill Rd. near Puente Hills Landfill and Rio Hondo College 274 Comment
  UC1046923  Phacelia imbricata L. R. Heckard 1953-6-15 509 Los Angeles along creek 5 mi above Dutch Lewis Forest Camp ((about 10 mi n of Sunland)); San Gabriel Mountains, Pachoima Creek 914 Comment
  RSA561824  Phacelia imbricata subsp. imbricata Steve Boyd 1993-6-3 8179 Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  RSA428008  Phacelia imbricata subsp. patula Thekla Mohr 1915-1 3135 Los Angeles North Fork, San Gabriel River. Comment
  UC1400399  Phacelia longipes Robert F. Thorne and Carlos Munoz 1969-6-17 38029 Los Angeles San Antonio Canyon San Gabriel Mts., Angeles National Forest (lower end, e-facing slope along road) 762 Comment
  RSA674273  Phacelia minor LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 707 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 622 Comment
  RSA785875  Phacelia minor Doris Bowers 1957-5-12 899 Los Angeles Arroyo Seco, Pasadena. 305 Comment
  CAS-BOT-BC145077  Phacelia mohavensis Victor Duran 1933-7-11 3512 Los Angeles Sulphur Springs, San Gabriel Mts. 1524 Comment
  RSA428147  Phacelia parryi C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  UC1174695  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  CAS-BOT-BC144943  Phacelia ramosissima var. austrolitoralis L. R. Abrams 1901-6-1 1686 Los Angeles Ballona Harbor Comment
  RSA306271  Phacelia ramosissima var. latifolia Henry J. Ramsey 1938-5-22 1408 Los Angeles North Craig Ave., Altadena. Comment
  RSA0103788  Phacelia tanacetifolia R. G. Swinney 2011-4-20 14464 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  LA38509  Phacelia viscida Elizabeth McClintock; 1936-4-18 sn Los Angeles Santa Monica Mountains, at mouth of Malibu Creek Comment
  RSA3568  Phalaris minor C. B. Wolf 1932-5-12 3581 Los Angeles Hillside east of the Isthmus, Santa Catalina Island. 30 Comment
  UC520016  Phalaris minor Joseph Andorfer Ewan 1932-4-30 7446 Los Angeles along Pacific Electric Ry embankment near Ballona Creek Culver City; near Ballona Creek Comment
  POM348527  Phaseolus limensis Robert Gustafson 1981-7-15 2334 Los Angeles Ballona Wetlands, Area 2. Comment
  SBBG105343  Pholistoma auritum R. M. Beauchamp 1976-5-22 4127 Los Angeles Lemon Tank Cyn 313 Comment
  SBBG78974  Pholistoma auritum F. R. Fosberg 1931-4-13 4592 Los Angeles Pebbly Beach Cyn, right fork 30 Comment
  RSA678467  Pholistoma auritum Mark A. Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 164 Los Angeles San Clemente Island. Loamy bench on south side of canyon. 274 Comment
  UC1228870  Pholistoma auritum Peter H. Raven 1962-4-10 17249 Los Angeles ca. 1.5 mi. n. Thirst (gully w. side of isl.); San Clemente Isl. 457 Comment
  CAS-BOT-BC222548  Pholistoma auritum var. auritum Reid Moran 1941-3-7 684 Los Angeles Middle Ranch, Santa Catalina Island 200 Comment
  RSA459288  Pholistoma membranaceum Robert Gustafson, Gary D. Wallace 1982-4-26 2519 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  UCR97759  Pholistoma membranaceum A. C. Sanders, D. Woodard & G. Goodlet 1997-2-7 19670 Los Angeles Mojave Desert: Antelope Valley, Little Rock, W side of Little Rock Wash just north of the RR and among gravel pits. 832 Comment
  JEPS97027  Pholistoma racemosum F. R. Fosberg 1931-3-23 S 4333 Los Angeles Hamilton Canyon Santa Catalina Island 75 Comment
  RSA459317  Pholistoma racemosum F. H. Elmore 1939-2-18 412 Los Angeles San Clemente Island. Comment
  RSA592374  Pholistoma racemosum Mark Hoefs 1974-3-28 420 Los Angeles Santa Catalina Island: in upper Bullrush Canyon 252 Comment
  SD49382  Pholistoma racemosum Reid Moran 1959-3-9 7157 Los Angeles San Clemente Island. 1 mile north of Eel Point. Among grass in arroyo. 20 Comment
  UCR206450  Phoradendron densum R. G. Swinney 2008-6-9 8967 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  SD215692  Phoradendron leucarpum subsp. tomentosum Louis C. Wheeler 1972-12-20 12787 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  RSA420801  Phoradendron macrophyllum Louis C. Wheeler 1932-1-10 437 Los Angeles Puddingstone Dam. 305 Comment
  RSA591460  Phoradendron macrophyllum Louis C. Wheeler 1966-10-12 8976 Los Angeles San Gabriel Mountains. East fork, San Gabriel Canyon, 1/4 mi. upstream from Heaton Flat. 610 Comment
  RSA497254  Pinus coulteri L. C. Wheeler 1966-11-30 9163 Los Angeles San Gabriel Mountains: Crystal Lake cutoff c. 1 mi S from Snow Spring, Bear Creek off W Fk San Gabriel Drainage. Scattered grove below and some trees above Hwy for c. 1 mi both N and S of Snow Spring, on SW slope Mt. Islip 1768 Comment
  RSA771574  Pinus jeffreyi R. G. Swinney 2009-6-2 11013 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  SEINET3873310  Pinus lambertiana G. B. Grant 1904-5-17 s.n. Los Angeles Mt. Wilson, Southern California.; 0 1524 Comment
  RSA628322  Pinus monophylla L. C. Wheeler 1970-7-24 s.n. Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area; Pinyon Ridge; Pinyon Trail. 1768 Comment
  UCR269935  Pinus monophylla R. G. Swinney 2010-5-19 12804 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. 1350 Comment
  CDA20468  Pinus pinea M. O'Brien 2004-3-14 MOB 2 -04 Los Angeles Transverse Ranges; 0.2 mi W of where Stunt Rd crosses Cold Creek in Calabasas, downhill from Stunt Rd by a drainage culvert. 0 Comment
  RSA598885  Pinus sabiniana Steve Boyd, T. S. Ross 1997-3-21 9200 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA304258  Piperia cooperi James R. Shevock 1970-5-3 178 Los Angeles Decker Canyon [near Agua Dulce Canyon, San Gabriel Mountains] 244 Comment
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Sep 17 2015
  RSA577754  Piptatherum miliaceum F. M. Reed 1925-6-15 5131 Los Angeles Foothill Blvd. on [Boldion] Ranch west of Arcadia 244 Comment
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Dec 7 2014
  UC1797792  Piptatherum miliaceum Tim Ross and Peter Fritsch 1990-6-20 3595 Los Angeles mouth Burro Canyon (near the confluence of the e and w forks of the San Gabriel River); San Grabriel Mountains 445 Comment
  SEINET12221333  Pittosporum undulatum Unknown 1928-1 s.n. Los Angeles Hollywood Comment
  CAS-BOT-BC71780  Pityrogramma triangularis var. viscosa Tim Ross 1993-4-22 6909 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit 289 Comment
  RSA517845  Plagiobothrys arizonicus Steve Boyd 1986-3-30 1494 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA799808  Plagiobothrys arizonicus Pam De Vries 2013-4-3 7821 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  RSA0088403  Plagiobothrys canescens R. G. Swinney 2010-2-27 11757 Los Angeles 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
  UCR47661  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1932-5-7 10645 Los Angeles Channel Islands, Santa Catalina Island, summit of Coach Road Comment
  RSA0119944  Plagiobothrys jonesii R. G. Swinney 2014-4-23 16180 Los Angeles San Gabriel Mountains: east of Valyermo, Holcomb Ridge, 0.18-032 miles north of Bob's Gap Rd. 1.04 air-miles west of Bob's Gap. 1268 Comment
  SBBG123033  Plantago arenaria S. D. White, J. Wood 2008-5-19 12017 Los Angeles Whittier Narrows Dam County Recreation Area, San Gabriel River floodplain, between Durfee Ave and 605 freeway, SCE powerline corridor 67 Comment
  RSA0024509  Plantago erecta Robert F. Thorne 1980-4-26 54141 Los Angeles Santa Catalina Island. Blackjack Camp; W slope of Blackjack Peak. Comment
  UCD124488  Plantago erecta Robert F. Thorne 1966-4-5 35870 Los Angeles Santa Catalina Island, Cottonwood Canyon. 106 Comment
  SD234976  Plantago indica Kai T. Palenscar 2008-7-25 Los Angeles Southern Coast; San Gabriel Valley: city of Whittier, Whittier Narrows, south of Hwy 60 and west of Hwy 605, on the west side of Rosemead just after crossing the San Gabriel River (El Monte 7.5' Q) 59 Comment
  UC76651  Plantago lanceolata unknown Jun 1901 Los Angeles near Whittier Comment
  SBBG113078  Plantago ovata var. insularis S. A. Junak 1998-5-2 SCa 627 Los Angeles rd to East Pk, just SW of Pk 1245, ca. 0.85 air mi NW of East Pk 347 Comment
  RSA450611  Platanus racemosa A. C. Sanders 1987-12-4 7570 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. 30 Comment
  RSA0017040  Platanus racemosa Ora M. Clark 1928-11-12 1286 Los Angeles Bouquet Canyon; Santa Susana Mts. Comment
  CAS-BOT-BC91678  Platystemon californicus W. R. Dudley; F. H. Lamb 1896-6-8 4382 Los Angeles Liebre Mountains. Kings Canyon. Comment
  JEPS36556  Pleiacanthus spinosus Joseph Andorfer Ewan 1936-7-29 9867 Los Angeles e edge Table Mt. (Swartout Valley); San Gabriel Mts., , Swartout Valley 2194 Comment
  UCR252754  Pluchea odorata R. G. Swinney 2010-9-1 13654 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA595802  Poa annua Lauren Raz, Steve Boyd 1996-10-23 51 Los Angeles Liebre Mountains. Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. 609 Comment
  RSA662140  Poa annua Carol Zuck 1981-2-3 6 Los Angeles 1443 A Springfield St. Upland. Comment
  RSA729186  Poa annua R. G. Swinney 1998-7-10 6414 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with riparian forest of Alnus rhombifolia, surrounded by montane coniferous forest and chaparral. 1585 Comment
  SBBG31057  Poa annua R. F. Thorne with P. C. Everett 1965-5-11 Los Angeles Picnic Ground 426 Comment
  RSA0106566  Poa bulbosa subsp. vivipara R. G. Swinney 2011-6-23 15308 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
  RSA639728  Poa pratensis subsp. pratensis L. C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  RSA91515  Poa secunda F. W. Peirson 1918-04 1550 Los Angeles Arroyo Seco above Devil's Gate, West of Pasadena Comment
  CAS-BOT-BC236198  Poa secunda subsp. secunda Geo. B. Grant 1903-4-1 3438 Los Angeles Old Wilson Trail Comment
  LA33426  Poa secunda subsp. secunda Henry J. Thompson; 1959-3-27 1887 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  UC1109347  Poa secunda subsp. secunda Peter H. Raven 1962-4-10 17209 Los Angeles summit of Thirst; San Clemente Isl 579 Comment
  UCR93326  Polycarpon tetraphyllum Scott D. White 1996-5-15 4038 Los Angeles Southern Coastal Region, Marina Del Rey area, above Ballona Creek floodplain. Comment
  RSA12388  Polygonum aviculare subsp. aviculare Carl B. Wolf 1934-4-11 5600 Los Angeles Bryant Ranch E. of Long Beach on mesa. 100 ft. NE of concrete mon. 15 Comment
  CAS-BOT-BC414164  Polygonum aviculare subsp. buxiforme Grant 1906-9-1 7172 Los Angeles Santa Catalina Isl. Comment
  RSA65870  Polygonum hydropiperoides var. asperifolium F. W. Peirson 1923-1-21 1792 Los Angeles Pond north of East Lake Park, Los Angeles. Comment
  CAS-BOT-BC71910  Polypodium californicum Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon (near Monrovia) Comment
  POM12154  Polypodium californicum P. A. Munz 1920-3-17 3352 Los Angeles Lone Hill, San Dimas. 305 Comment
  RSA526146  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4140 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  CAS-BOT-BC232400  Polypogon monspeliensis Alice Eastwood 1906-5-27 83 Los Angeles Bimini Baths Comment
  RSA729710  Polypogon monspeliensis R. G. Swinney 1999-6-18 7332 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  LA10124  Polypogon monspeliensis M. Epling; Carl Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA0110812  Polypogon semiverticillatus R. G. Swinney 2011-10-18 15820 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA385484  Polypogon viridis Anstruther Davidson 1889-1 s.n. Los Angeles Los Angeles. Comment
  RSA623816  Polypogon viridis I. L. Wiggins 1921-11-16 s.n. Los Angeles Arroyo Seco Comment
  RSA550410  Polystichum imbricans subsp. imbricans T. S. Ross 1992-7-10 6682 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater & Wickiup Canyons; N and NE slope above stream. 975 Comment
  POM178120  Populus balsamifera subsp. trichocarpa Marcus E. Jones 1930-2-12 26534 Los Angeles San Antonio canyon Comment
  CAS-BOT-BC102545  Populus fremontii Alice Eastwood 1906-5-27 238 Los Angeles Roscoe Comment
  POM360796  Populus trichocarpa F. R. Fosberg 1931-7-16 S 5432 Los Angeles Gallagher's Canyon, left fork. Santa Catalina Island. 80 Comment
  UCR210344  Porophyllum ruderale A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37177 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, 658 East 111th Place between Stanford Ave. and Avalon Blvd. 34 Comment
  RSA191640  Potamogeton crispus Robert F. Thorne, M. Z. Thorne 1966-8-29 36604 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines Recreation Area south of Jackson Lake on road from Big Pines to Valyermo 1860 Comment
  CAS-BOT-BC143083  Potentilla anserina subsp. pacifica I. Johnston 1917-6-10 1336 Los Angeles Ballona Creek near Mesmer Comment
  RSA233346  Potentilla gracilis var. fastigiata Robert F. Thorne, M. Z. Thorne 1969-7-10 38406 Los Angeles Angeles National Forest: near Lodgepole Picnic ground, 1.5 miles SE of Dawson Saddle along Angeles Crest Highway. 2317 Comment
  CHSC3724  Prunus ilicifolia Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. Comment
  LA208163  Prunus ilicifolia J. Ewan; 1931-4-25 4167 Los Angeles S. Fork, La Tuna Canyon, Verdugo Range Comment
  RSA251407  Prunus lyonii Robert F. Thorne 1966-4-17 36110 Los Angeles San Clemente Island: Large shrubs growing on steep S-facing canyon side near bottom of Box Canyon NW of Horse Canyon, SW of Thrist. 152 Comment
  UCR205933  Prunus persica A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37060 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  CAS-BOT-BC154784  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1524 Comment
  UCR182124  Prunus virginiana var. demissa R. G. Swinney 1997-6-19 5624 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  UCR273540  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14139 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  HSC87156  Pseudognaphalium californicum Steve Boyd, T. S. Elias 1987-4-14 2035 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  SBBG95184  Pseudognaphalium californicum M. B. Dunkle 1928-5-27 1974 Los Angeles Hamilton Cyn Comment
  UC1211119  Pseudognaphalium californicum Huron H. Smith 1912-6-1 5074 Los Angeles Avalon Canyon Santa Catalina Island, Avalon Canyon 38 Comment
  SBBG131693  Pseudognaphalium luteoalbum S. A. Junak 1999-9-9 SCa 1075 Los Angeles top of Black Jack Peak, at microwave installation 609 Comment
  SBBG106254  Pseudognaphalium microcephalum S. A. Junak 1981-7-31 SCl 41 Los Angeles NW end of island, in central portion of dunes 45 Comment
  CAS-BOT-BC357623  Pseudognaphalium stramineum Geo. B. Grant 1900-3-29 s.n. Los Angeles Avalon Comment
  HSC1580  Pseudotsuga macrocarpa C. E. Fellows 1965-9-7 152 Los Angeles 14 mi past Charlton Flats info station on Mt. Wilson Rd. 1524 Comment
  UC1200633  Pseudotsuga macrocarpa Peter Kamb 1944-12-17 22 Los Angeles Devil's Punchbowl San Gabriel Mts. (n slopes) 1219 Comment
  UCR101529  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross, Laura Moore, V. Soza 1997-7-8 10001 Los Angeles San Gabriel Mtns., Northern flank of Sawmill Mtn., upper Heryford Canyon watrshed, along Sawmill Mtn. Road (7N23), c. 0.7 m from the junction w/ Maxwell Truk Trail & Burnt Peak Road. 1500 Comment
  UCR271743  Pseudotsuga macrocarpa R. G. Swinney 2011-10-27 15914 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  RSA512058  Psilocarphus tenellus var. tenellus L. C. Wheeler 1967-5-18 9658 Los Angeles San Gabriel Mountains, Angeles National Forest: Placerita Canyon. 594 Comment
  SJSU13115  Pterostegia drymarioides C. W. Sharsmith 1941-6-22 4406 Los Angeles Eaton Canyon, San Gabriel Mts 548 Comment
  UCR259749  Pterostegia drymarioides R. G. Swinney 2010-4-28 12387 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UC484282  Pycnanthemum californicum Ernest Braunton Sept. 1928 1022 Los Angeles 20 mi up San Gabriel Canyon 609 Comment
  SEINET10628880  Pyrus communis Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3806 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  UC1922331  Pyrus communis Gary Kovnat with LeRoy Gross 2003-2-16 28 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  CAS-BOT-BC45793  Quercus George B. Grant; Walter Wheeler 1904-4-21 6138 Los Angeles Santa Catalina Island Pacific Ocean of Southern California, at Eagle nest Comment
  UCSB27895  Quercus X grandidentata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 975 Comment
  CAS-BOT-BC104379  Quercus X macdonaldii Robert F. Thorne; P. C. Everett 1964-2-6 33430 Los Angeles ca 800' (perhaps 1 mil. SW of Empire Landing), N Central part of Santa Catalina Island Comment
  CAS-BOT-BC104383  Quercus X macdonaldii L. R. Abrams; I. L. Wiggins 1931-7-4 327 Los Angeles Channel Islands. White's Landing, Santa Catalina Island Comment
  UCSB28157  Quercus agrifolia var. agrifolia Lloyd, Robert 1959-3-24 Los Angeles at Oak Flats Fire Station, 10 mi. north of Castaic, on U.S. Hwy, 99, Tehachapi Mts. 822 Comment
  CHSC99435  Quercus berberidifolia LeRoy Gross 2000-11-12 326 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. Near road. 411 Comment
  LA30432  Quercus berberidifolia A. M. Johnson; 1932-5-14 4061 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  RSA476606  Quercus berberidifolia H. L. Bauer 1931-8-24 s.n. Los Angeles Santa Monica Mts. Comment
  SEINET3140708  Quercus berberidifolia Unknown 1948-9-26 1879 Los Angeles 11.4 mi W of Palmdale, beside road to Elizabeth Lake Comment
  UCR55880  Quercus berberidifolia J. A. Adams 1965-4-24 138 Los Angeles San Gabriel Mtns., Ely Canyon. 762 Comment
  UCSB34829  Quercus berberidifolia Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  CAS-BOT-BC62563  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1994-9-21 8304 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; 1623 Comment
  RSA773603  Quercus chrysolepis R. G. Swinney 2009-6-24 11266 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA773970  Quercus chrysolepis R. G. Swinney 2009-7-29 11433 Los Angeles Pacifico Mountain summit. 2134 Comment
  UC1135385  Quercus chrysolepis A. Lewis 1934-1-1 246 Los Angeles Head of San Francisquito Canyon Angeles National Forest, Elizabeth Lake Quad. 1066 Comment
  UCR273023  Quercus chrysolepis M. B. Dunkle 1939-11-25 7361 Los Angeles Channel Islands, San Clemente Island, east rim at canyon head Comment
  SEINET12034290  Quercus chrysolepis Unknown 1927-1 9- 9 -48 Los Angeles road from Mt Lowe Tavern, Mt Lowe, to observatory on Mt. Wilson,near Los Angeles Comment
  SEINET13953240 Image available Quercus chrysolepis Elizabeth McClintock 1944-1 Los Angeles Crystal Lake, San Gabriel Mts., Los Angeles Co., Calif. Comment
  JEPS46663  Quercus dumosa Ernest Braunton 1892-2 Los Angeles Griffiths Park Comment
  RSA612305  Quercus durata var. gabrielensis Louis C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mountains: Cattle Canyon, 1 mile E of mouth of Coldwater Canyon. 945 Comment
  RSA678833  Quercus durata var. gabrielensis Valerie L. Soza, LeRoy Gross 2001-4-24 1172 Los Angeles Santa Anita 1999 Fire area, Santa Anita Canyon, west side of Santa Anita Canyon Road across from the Santa Anita Dam. 549 Comment
  RSA87172  Quercus durata var. gabrielensis Louis C. Wheeler 1936-1-12 4069 Los Angeles Foothills 1/2 mi. E of Palmer Canyon, San Gabriel Mts. 610 Comment
  UC1870275  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 323 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way, E off La Tuna Canyon Road, Sun Valley. 396 Comment
  UCD45997  Quercus durata var. gabrielensis Jack Delaini 1974-2-27 51 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. Comment
  UCR84384  Quercus garryana var. breweri T. S. Ross, Steve Boyd 1994-5-24 7864 Los Angeles Liebre Mtns., NNE slope of Grass Mountain, 130-140 m SE of saddle between Munz Canyon and Burns Canyon. 1232 Comment
  UCR155697  Quercus john-tuckeri A. C. Sanders, T. B. Salvato 2005-4-26 29709 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR223793  Quercus kelloggii R. G. Swinney 2009-8-25 11478 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA157993  Quercus pacifica M. B. Dunkle 1928-3-17 1757 Los Angeles Santa Catalina Island, Johnson's Canyon 30 Comment
  RSA157794  Quercus tomentella Peter H. Raven 1962-5-10 17726 Los Angeles Head of Horse Canyon, the large canyon west of Thirst, San Clemente Island 488 Comment
  RSA188336  Quercus tomentella Robert F. Thorne, Thorne 1966-5-31 36418 Los Angeles Santa Catalina Island, ridge running from S end of Mt. Orizaba, S side of S fork of Fern Canyon 427 Comment
  SBBG43932  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UC129013  Quercus tomentella H. M. Hall 1908-6-15 8274 Los Angeles near head of Gallagher's Canyon; Santa Catalina Island Comment
  CAS-BOT-BC104856  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-9-20 8245 Los Angeles Liebre Mountains. Upper Bouquet Canyon: ca 2225 , WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  UC1135892  Quercus wislizeni G. T. Nordstrom 1935-4-16 456 Los Angeles 0.75 mi nw Tejon Pass; Tejon Quad. 1219 Comment
  RSA571271  Quercus wislizeni var. frutescens Steve Boyd 1994-4-29 8312 Los Angeles Side draw on northeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  RSA595797  Quercus wislizeni var. frutescens Steve Boyd, Lauren Raz 1996-10-8 9019 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
  UC1073263  Quercus wislizeni var. frutescens George B. Rossbach 1955-6-20 227 Los Angeles about 2 mi n Mill Creek Summit (Los Angeles Crest Highway (Route 2), near Aliso Canyon Road) 1219 Comment
  UCR216390  Quercus wislizeni var. frutescens Dan S. Cooper 2010-5-13 510- 45 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, Griffith Park 549 Comment
  CATA273  Rafinesquia californica Mark L. Hoefs 1973-5-15 285 Los Angeles Santa Catalina Island: Behind golf course #7 tee, Avalon Canyon 76 Comment
  RSA188047  Rafinesquia californica R. F. Thorne 1966-4-6 35890 Los Angeles Santa Catalina Island. Between White and Moonstone Coves 15 Comment
  SD252288  Rafinesquia californica Steven A. Junak 2000-5-19 Sca 1331 Los Angeles Santa Catalina Island: SE portion of 1999 burn, above Goat Harbor, ca. 0.67 mile SSW of Goat Harbor. 384 Comment
  UCR152901  Rafinesquia californica A. C. Sanders, Helen Kennedy 2005-4-13 29412 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC362481  Rafinesquia californica Robert F. Thorne; P. Everett 1965-6-22 34888 Los Angeles Santa Catalina Island: rocky slope at upper end of Avalon Canyon along road 243 Comment
  RSA150661  Rafinesquia californica P. H. Raven 1962-5-8 17608 Los Angeles San Clemente Island, on steep walls of second canyon south of Seal Cove 30 Comment
  RSA0018980  Ranunculus californicus var. californicus Lyman Benson 1957-4-17 15719 Los Angeles Kellogg Campus, California Polytechnic Institute. San Jose Hills. Pacific Slope drainage area. 305 Comment
  UCD115234  Raphanus sativus Kenneth A. Wilson 1961-3-1 877 Los Angeles San Fernando Valley. Tarzana, Topham Street, corner of Etiwanda Avenue. Comment
  RSA390203  Rhamnus californica Albert J. Perkins 1918-10-28 s.n. Los Angeles Santa Monica Canon. Comment
  UC1929919  Rhamnus californica Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 360 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Claremont. ~ 0.6mi W of Mt. Baldy Rd. in Evey Canyon. Comment
  CAS-BOT-BC133204  Rhamnus californica subsp. californica A. C. Sanders; T. B. Salvato 2009-5-21 36897 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
  RSA160399  Rhamnus californica subsp. californica J. D. Olmsted 1959-3-27 323 Los Angeles By stream gaging station below San Dimas ranger station. South slope, San Dimas Creek drainage area; alluvial soil. 488 Comment
  UC1584065  Rhamnus californica subsp. californica Tim Ross, Orlando Mistretta, and Peter Fritsch 1990-7-10 4028 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tujunja Rang 1524 Comment
  POM2828  Rhamnus crocea P. A. Munz 1918-5-16 2246 Los Angeles Claremont. Comment
  UCR205883  Rhamnus crocea A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37082 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  CAS-BOT-BC55999  Rhamnus ilicifolia A. D. E. Elmer 1902-6-1 3649 Los Angeles Saugus Comment
  LA200808  Rhamnus ilicifolia Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA11762  Rhamnus ilicifolia E. Lloyd 1933-3-25 s.n. Los Angeles Temescal canon. Comment
  RSA724528  Rhamnus ilicifolia K. Dobry 1991-3-15 d- 432 Los Angeles San Gabriel Mts at Elsmre Cyn. Comment
  CAS-BOT-BC59800  Rhamnus pirifolia Reid Moran; R. M. Beauchamp; T. Oberbauer 1975-8-23 22682 Los Angeles W. fork of Red Rock Canyon, San Clemente Island. 280 Comment
  SBBG32097  Rhamnus pirifolia R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -171 Los Angeles lower Bullrush Cyn Comment
  SD60426  Rhamnus pirifolia Peter H. Raven 1962-5-20 17776 Los Angeles Santa Catalina Island: Avalon Canyon about 1 mile south of Avalon. Comment
  CAS-BOT-BC168142  Rhus aromatica Henry J. Thompson 1959-3-15 1863 Los Angeles Near junction with Sepulveda Canyon, Mission Canyon 304 Comment
  UCR107775  Rhus aromatica M. E. Siqueiros D. 1997-3-19 4375 Los Angeles San Gabriel Mtns., Claremont, Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. & Foothill Blvd. west of main paved road, north of Foothill Blvd. 50 m from NW fence. 412 Comment
  RSA600438  Rhus integrifolia L. C. Wheeler 1933-6-17 1862 Los Angeles Claremont 365 Comment
  RSA77173  Rhus integrifolia F. W. Peirson 1926-4-26 6646 Los Angeles Pocoima Wash, San Fernando Valley. Comment
  UCR124397  Rhus laurina I. W. Clokey, B. C. Templeton 1929-1 4588 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  LA33972  Rhus ovata Peter H. Raven; 1959-5-3 14058 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  RSA0084951  Rhus ovata R. G. Swinney 2010-6-4 13041 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA386383  Rhus ovata B. C. Templeton 1931-11-9 s.n. Los Angeles Millards Canyon Comment
  RSA0043101  Rhus ovata Paul M. Inman 1983-5-8 50883 -1 Los Angeles Big Santa Anita Canyon in the Angeles Natgional Forest, San Gabriel Mountains, about 1 mile north of Arcadia. Growing on a west facing slope at north end of weir at Hoegee's Camp on Winter Creek at Hoegee's Camp. Comment
  RSA476430  Ribes aureum var. gracillimum Elbert Benjamine 1929-3-17 110 Los Angeles Hillside, Burbank. Comment
  LA50710  Ribes californicum var. hesperium Carl Epling; A. M. Johnson 1930-2-22 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  POM156178  Ribes californicum var. hesperium L. R. Abrams 1902-3-11 3119 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA598902  Ribes californicum var. hesperium R. G. Swinney 1989-11-24 1481 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road 1.4 mi. NE of Glendora Mountain Road. 457 Comment
  RSA84848  Ribes cereum var. cereum F. W. Peirson 1922-7-6 4433 Los Angeles Big Pines 2104 Comment
  SD82801  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2542 Los Angeles San Gabriel River 73 Comment
  RSA0008286  Ribes divaricatum var. parishii J. C. Roos 1951-3-10 5032 Los Angeles San Gabriel River at Whittier Narrows. 61 Comment
  POM18069  Ribes nevadense P. A. Munz 1923-5-26 6847 Los Angeles head of Vincent Gulch. 2012 Comment
  RSA652595  Ribes roezlii Shlomo Gat 1959-5-22 58 Los Angeles San Dimas [Canyon] Comment
  UCR87414  Ribes roezlii var. roezlii R. G. Swinney 1994-6-12 2886 Los Angeles Eastern San Gabriel Mtns, Sheep Mountain Wilderness, Prairie Fork Canyon, F.S. Road 3N39, 2.1 mi. SE of junction with F.S. Road 3N06. South of road 2195 Comment
  LA50725  Ribes speciosum Barbara Crumly; 1953-4-4 sn Los Angeles Comment
  SFV1623  Ribes speciosum P. G. Kilburn 1958-2-15 609 Los Angeles Santa Monica Mountains Sepulveda Canyon, Mission Fire Road. Ravine going south about 200 yards west of Sepulveda Blvd. 366 Comment
  UC11653  Ribes speciosum J. H. Barber 1897-1-11 17 Los Angeles Sullivan's Canyon Comment
  CATA10  Ribes viburnifolium Eric T. Johnson 1987-6-3 1 Los Angeles Santa Catalina Island: Bulrush Canyon 228 Comment
  CAS-BOT-BC207167  Ricinus communis Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7443 Los Angeles Rancho Palos Verdes, narrow, eroded canyon through southerly coastal bluffs, ca 2750 m SE of Inspiration Point and 2680 m WNW of Whites Point, San Pedro 7.5' USGS, Palos Verdes Peninsula 7 Comment
  UCR124978  Ricinus communis B. C. Templeton 1962-3-24 9294 Los Angeles West side of Verdugo Hills Comment
  RSA791606  Rigiopappus leptocladus D. Silverman, Cindy Hopkins 2007-4-27 6772 Los Angeles Tejon Ranch, N of Oso Canyon, 2.8 km due W of Ca Aqueduct, 1.3 km S of Kern Co line, and 1.4 km S of National Cement plant. 1062 Comment
  CATA181  Rosa californica Mark L. Hoefs, A. Douglas Propst 1973-4-6 150 Los Angeles Santa Catalina Island: Middle of Cape Canyon 304 Comment
  UCD113834  Rosa californica M. Vincent 1963-5-22 357 Los Angeles Old Topanga Canyon Road, 1/4 mile W of New Topanga Canyon Road. Comment
  CAS-BOT-BC146956  Rosa woodsii var. gratissima C. B. Wolf 1931-10-23 2494 Los Angeles 100 ft. W. of Wrightwood Lodge, [Swartout] Swarthout Valley, San Gabriel Mts. 1828 Comment
  UCR48942  Rosmarinus officinalis A. C. Sanders 1987-7-22 7179 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  UCR272950  Rubus leucodermis R. G. Swinney 2011-7-29 15582 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  CHSC8060  Rubus ursinus Edward L. Smith 1957-3-21 204 Los Angeles San Gabriel Mts. At Blanchard Paris, Pomona College, Claremont. 381 Comment
  RSA533439  Rubus ursinus Tim S. Ross 1991-4-21 4510 Los Angeles Whittier Hills (Puente Hills, pro parte): Lower Turnbull Canyon drainage above NW bank of stream course. 183 Comment
  SFV21390  Rubus ursinus L. Gross 2002-4-28 534 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Off La Tuna Canyon Road in Santa Monica Mountains Conservancy land, south of 210 Freeway. Second canyon from the trail that starts from La Tuna climbs up and over a ridge to drop down into a this canyon. 549 Comment
  SBBG112817  Rumex conglomeratus S. A. Junak with K. Kirkland 1998-7-17 SCa 779 Los Angeles lower portion of Silver Cyn, ca. 0.4 air mi inland from beach 36 Comment
  LA52271  Rumex crispus M. Zaitlin; 1951-4-8 sn Los Angeles 9 Comment
  RSA0119005  Rumex salicifolius A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33521 Los Angeles Western End of Antelope Valley and Mojave Desert: hills south of Hwy 138 at 290th St. West, SW of VABM Zana. 915 Comment
  RSA602470  Rumex salicifolius var. salicifolius Scott D. White 1997-5-14 5143 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  RSA248885  Ruppia maritima Robert F. Thorne 1973-4-12 42934 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  CDA24077  Sagina procumbens R. Witt 1958-6-24 Los Angeles Pasadena. 0 Comment
  RSA648298  Salazaria mexicana Mark Hotchkiss 1977-5-20 s.n. Los Angeles San Gabriel Mtns. Batchelder Ranch. 1311 Comment
  CATA343  Salicornia pacifica Mark L. Hoefs 1973-7-20 384 Los Angeles Santa Catalina Island: Along inland rim of Catalina Harbor 1 Comment
  SBBG19204  Salicornia pacifica M. A. Piehl 1963-12-8 631105 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 3 Comment
  UCR209511  Salix exigua Dan S. Cooper 2009-1 209- 23 Los Angeles Los Angeles Basin, West Athens area, 'Anderson Wash', relict habitat along RR right-of-way south of 105 Fwy and west of Normandie Blvd., South Los Angeles 53 Comment
  UCR62108  Salix exigua R. G. Swinney 1990-3-5 1520 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Morgan Canyon debris basin 366 Comment
  POM158245  Salix laevigata M. B. Dunkle 1928-3-11 1730 Los Angeles Grand Canyon, Santa Catalina Island. 183 Comment
  POM2057  Salix laevigata I. M. Johnston 1918-3-14 1988 Los Angeles San Gabriel River at El Monte. 91 Comment
  RSA0085337  Salix laevigata R. G. Swinney 2010-4-1 12169 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
  UCR48977  Salix laevigata A. C. Sanders 1987-9-18 7356 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  SBBG57865  Salix lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura Comment
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Apr 2 2014
  UC483068  Salix lasiolepis F. R. Fosberg 1931-3-1 S 4220 Los Angeles 2 1/2 mi. below Wildwood; Santa Monica Mts., Topanga Canyon 60 Comment
  UCR209275  Salix lasiolepis R. G. Swinney 2008-10-7 9483 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  CAS-BOT-BC107541  Salix lasiolepis var. lasiolepis S. Y. Parnay Mar. 38 Los Angeles Oak Knoll Comment
  CAS-BOT-BC128515  Salix lasiolepis var. lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Santa Monica Mountains - Agoura (Picture City) Comment
  CAS-BOT-BC403756  Salpichroa origanifolia Philip A. Munz 1939-10-9 15565 Los Angeles East end of Claremont 365 Comment
  SFV6864  Salsola tragus T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 570 Los Angeles Mojave Desert County Road N4 about 0.5 miles south of Highway 138. 1070 Comment
  UCR209251  Salsola tragus R. G. Swinney 2008-10-8 9535 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  RSA444922  Salsola tragus G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Del Rey Palisades. Comment
  RSA599695  Saltugilia splendens subsp. grantii L. C. Wheeler 1936-6-12 4177 Los Angeles San Gabriel Mountains: San Dimas Canyon. 701 Comment
  RSA0047395  Saltugilia splendens subsp. splendens Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon 543 Comment
  CDA40335  Saltugilia splendens subsp. splendens T. C. Fuller 1980-6-12 20279 Los Angeles San Gabriel Mountains; Angeles Crest Highway, Hwy 2, 1.3 km west of road to Mt. Wilson. Comment
  RSA424322  Salvia apiana William Emboden 1970-6-12 27 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UC1211043  Salvia apiana Huron H. Smith 1912-5-17 4961 Los Angeles Eaton's Canyon; Mt. Wilson 426 Comment
  RSA0021396  Salvia apiana A. E. Hersh 1950-7-15 s.n. Los Angeles about 1/4 mile from west end of Topango [Topanga] Canyon. El. 30 Comment
  RSA442837  Salvia apiana William Emboden 1969-5-28 23 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA594971  Salvia carduacea Tim S. Ross 1995-4-26 8379 Los Angeles Southwesterly slope of LIEBRE MOUNTAIN along Forest Service Road 7N23; ca 4300 ft SW of Sandberg Triangulation Point (5345 ft) 1415 Comment
  RSA647871  Salvia columbariae LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 234 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 549 Comment
  SBBG31459  Salvia columbariae R. F. Thorne 1966-4-7 35945 Los Angeles Cherry Valley 60 Comment
  SFV3206  Salvia dorrii H. B. King Jul 1958 s. n. Los Angeles Mojave Desert Antelope Valley. SW Mojave Desert near Palmdale. 823 Comment
  CAS-BOT-BC214320  Salvia dorrii var. pilosa A. D. E. Elmer 1902-6-1 3696 Los Angeles Vincent Comment
  JEPS62722 Image available Salvia leucophylla W. L. Jepson 1928-4-27 12645 Los Angeles Conejo Pass; Santa Monica Mts. Comment
  CAS-BOT-BC229496  Salvia mellifera A. C. Sanders 2003-3-14 25763 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  CHSC26071  Salvia mellifera Paul M. Gomez 1966-4-1 50 Los Angeles W. boundary of Griffth Park. 365 Comment
  OBI53681  Salvia mellifera Suzan Barth, Steven Korenstein 1994-4-2 37 Los Angeles Santa Susana Mts Northridge, Aliso Cyn off Sesnon 400 m from trail head 150 Comment
  RSA144752  Salvia mellifera Alice Ann Webb 1961-2-9 768 Los Angeles Johnson's Pasture, Claremont, Mt. Range - San Gabriel. 457 Comment
  RSA302283  Salvia mellifera Lyman Benson 1957-5-23 15731 Los Angeles Webb School, above Claremont. 488 Comment
  RSA434115  Salvia mellifera Bonnie C. Templeton 1929-12-29 1439 Los Angeles Mandeville Canyon, Santa Monica Mts. 250 Comment
  SBBG128310  Salvia mellifera S. Lawrence-Gomez, A. Cheung, D. Kasang, M. Zou, S. Ratay 2011-7-8 36 Los Angeles Deer Valley Trail 92 Comment
  SD93032  Salvia mellifera W. Bertsch 1954-4-19 477 Los Angeles Little Dalton Canyon. 366 Comment
  UC416702  Salvia mellifera J. Grinnell 1903-6-30 Los Angeles Arroyo Seco; Pasadena Comment
  UC450910  Salvia mellifera Fay A. MacFadden 1931-3-16 4 E Los Angeles Tuna Canyon; Verdugo Hills Comment
  UCR153554  Salvia mellifera A. C. Sanders 2005-5-11 30184 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
  RSA0030941  Salvia mellifera Jane Snyder 1966-5-10 11 Los Angeles San Rafael Hills. 213 Comment
  CLARK-A1703-88  Sambucus mexicana Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 304 Comment
  RSA738056  Sambucus mexicana Jane Snyder 1966-5-10 6 Los Angeles San Rafael Hills 213 Comment
  UC1872956  Sambucus mexicana John Knapp and Denise Knapp 2003-5-11 42 Los Angeles Catalina Island; 370847.48N x 3691916.67E E. Southern riparian 304 Comment
  UCR190375  Sambucus mexicana R. G. Swinney 2001-6-16 7988 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  SEINET12319541  Sambucus mexicana Unknown 1980-1 8 Los Angeles Temescal Canyon, Presbyterian Conference Grounds, Sunset Blvd. & Temescal Cyn. Rd., Pacific Palisade 168 Comment
  SBBG69471  Sambucus nigra subsp. caerulea R. Hoffmann 1929-5-21 Los Angeles Del Sur to Elizabeth Lake Comment
  LA94336  Sambucus nigra subsp. canadensis M. Epling; Carl Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  SEINET3157014  Sanicula arguta G. B. Grant sn Los Angeles Pasadena Comment
  RSA470992  Sanicula arguta Howard Mullins 1931-3-7 s.n. Los Angeles Oak Wilde [Oakwilde], canyon Comment
  RSA534066  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5260 -b Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336 ) marker, 1800ft SE of Malo Knoll (1396 )) Beginning of drainage. 386 Comment
  UC1400376  Sanicula bipinnatifida Robert F. Thorne 1971-4-2 41427 Los Angeles n of Mountain Avenue (San Gabriel Mountains, Claremont, Johnson's Pastures); San Gabriel Mountains, Claremont, Johnson's Pastures 548 Comment
  LA82388  Sanicula tuberosa O. H. Kappler; 1944-3-26 555 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC574964  Sanicula tuberosa Carl Epling, R. Fowler, K. Kueen April 1933 Los Angeles Santa Monica Mountains, Boney Ridge Boney Ridge; Santa Monica Mountains, Boney Ridge Comment
  UCD128038  Sanicula tuberosa Daryl Koutnik 1978-4-28 442 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 Comment
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Oct 1 2018
  UCR150628  Sarcostemma cynanchoides Scott D. White 1997-5-8 5070 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  JEPS43807  Saxifraga californica Frank W. Peirson 1919-4-19 373 Los Angeles Pacoima Canyon; San Gabriel Mountains, Pacoima Canyon 533 Comment
  UC1584748  Schinus molle Tim Ross and Annette Ross 1991-3-7 4133 Los Angeles Elephant Hill, w. Pomona San Dimas USGS 7.5' Quad., Pomona, Elephant Hill 237 Comment
  SBBG112872  Schismus arabicus S. A. Junak 1998-3-22 SCa 502 Los Angeles Avalon Cyn along W side of Avalon Cyn Rd, just N of entrance to Wrigley Memorial Botanical Garden 106 Comment
  CAS-BOT-BC243450  Schismus barbatus Steven R. Hill; Kate Kramer 2001-4-22 33346 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz RAnch Road, 2.6 miles west of junciton with 120th Street WEst, about 15 miles due northwest of Palmdale 804 Comment
  RSA0055949  Schismus barbatus Richard G. Swinney 2010-4-30 12459 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA0081303  Schismus barbatus R. G. Swinney 2010-3-24 12075 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA357905  Schismus barbatus R. F. Thorne 1973-3-26 42721 Los Angeles San Gabriel Mountains: Webb Canyon, N of Claremont 366 Comment
  UCR193476  Schismus barbatus R. G. Swinney 1999-6-28 7437 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCSB68647  Schismus barbatus Gross, LeRoy; Denslow, Michael; Sidibeh, Mariam 2003-2-10 Los Angeles Transverse Ranges: Verdugo Mountains Region; south side; along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway; Burbank Quad. 7.5: T1N R13W S5, Center; along shoulder of road and beyond slopes near road 783 Comment
  UC1584229  Schoenoplectus americanus Tim Ross, Steve Boyd 1990-6-6 2866 Los Angeles n end Piru Pond (Los Padres National Forest (admin. by Angeles N.F.)); Liebre Mtn Quad., Los Padres National Forest, Piru Pond 644 Comment
  UCR162585  Schoenoplectus americanus Anuja Parikh, Nathan Gale 2004-5-31 2015 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 1) at and below confluence of Potrero Canyon 259 Comment
  RSA188177  Scirpus microcarpus Robert F. Thorne 1966-4-5 35809 Los Angeles Santa Catalina Island: Middle Ranch Canyon below Stage Station SW of Eagles Nest 76 Comment
  POM4463  Scrophularia californica D. L. Crawford, Otis Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mts, Topanga Canyon Comment
  UCR252731  Scrophularia californica R. G. Swinney 2010-5-29 13404 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCD124847  Scrophularia californica Mary H. Ward; Shirley W. Campbell 1970-4-14 LASCA 893 Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena. 2621 Comment
  LA51844  Scrophularia californica subsp. californica M. Epling; Carl Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SD51712  Scrophularia villosa Robert Ornduff, R. L. Taylor 1960-3-19 5095 Los Angeles Golf Links Canyon, Santa Catalina Island Comment
  RSA0088278  Scutellaria mexicana R. K. Brummitt, Sandra Namoff 2012-6-7 22038 Los Angeles Angeles National Forest, N of Littlerock, Big Rock Creek road, Sycamore Flat campsite. 1300 Comment
  LA52366  Scutellaria tuberosa Ernest Braunton; 1902-4-13 198 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA209609  Selaginella asprella Lawrence L. Kiefer; 1966-7-30 2296 Los Angeles San Gabriel Mountains, Twin Peaks Divide, along trail 1950 Comment
  SEINET6336342  Selaginella bigelovii G. B. Grant 1904-1 1191 /6144 Los Angeles Santa Catalina Island, Pacific Ocean Comment
  UC813042  Selaginella bigelovii Marcus E. Jones, A. M. 1882-2-25 3023 Los Angeles Pasadena Comment
  UC1215286  Selaginella bigelovii Peter H. Raven 1962-5-8 17635 Los Angeles opposite Wilson cove; w slope of San Clemente Isl. 60 Comment
  UCR209594  Selaginella watsonii R. G. Swinney 2008-9-12 9447 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  POM214586  Senecio aphanactis L. C. Wheeler 1932-3-13 472 Los Angeles Puddingstone Dam, San Jose Hills 305 Comment
  RSA670371  Senecio douglasii B. C. Templeton, H. J. Andrews 1938-6-22 1700 Los Angeles Mint Canyon Comment
  SEINET7881402 Image available Senecio douglasii G. L. Fisher 1929-1 s.n. Los Angeles San Fernando 305 Comment
  IRVC28752  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25532 Los Angeles Newhall Ranch, "Long Canyon," north of Potrero Canyon NE end of Santa Susana Mtns. 366 Comment
  POM16945  Senecio flaccidus var. douglasii P. A. Munz 1923-9-1 7722 Los Angeles Swartout Valley, San Antonio Mtns. 1829 Comment
  RSA0115263  Senecio flaccidus var. douglasii Richard G. Swinney 2010-10-5 13961 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  CAS-BOT-BC365652  Senecio flaccidus var. monoensis Ruth C. Wilson 1961-8-2 s.n. Los Angeles Littlerock, Antelope Valley 822 Comment
  SBBG32118  Senecio vulgaris R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -262 Los Angeles between Sweetwater and Middle Ranch cyns Comment
  RSA794414  Senecio vulgaris Nancy Hamlett 2013-2-12 s.n. Los Angeles Foothill Blvd. Parkway, outside Bernard Field Station, about 60 feet west of Mills Ave. Claremont 366 Comment
  RSA0056347  Sequoia sempervirens P. R. Brown 1971-4-1 s.n. Los Angeles Pierce College Nature Center, upper end of Canon de Lana. 274 Comment
  RSA670355  Setaria parviflora Bonnie C. Templeton 1956-7-4 7677 Los Angeles E. Los Angeles. Comment
  UC1714448  Setaria pumila I. M. Johnston 1918-8-4 2110 Los Angeles between Pomona and Claremont 365 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
  CATA3000  Sibara filifolia Peter J. Dixon 2015-3-16 034 Los Angeles Santa Catalina Island: China Point Rd. .96 km East of China Point. 160 m North of the Pacific Ocean 97 Comment
  LA82217  Sidalcea malviflora O. H. Kappler; 1941-5-22 275 Los Angeles Santa Monica Mountains, Upper Dume Canyon [Zuma Cyn, E-fork], Backus Ranch 487 Comment
  RSA65707  Silene antirrhina F. W. Peirson 1919-5-14 421 Los Angeles Eaton Canyon 732 Comment
  RSA595874  Silene californica Timothy S. Ross, Victor W. Steinmann 1995-5-8 8541 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  CATA979  Silene gallica Mark L. Hoefs 1994-5-21 1848 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  RSA151295  Silene gallica P. H. Raven 1962-4-10 17184 Los Angeles San Clemente Island. Small arroyo above Wilson s Cove 61 Comment
  RSA592228  Silene gallica L. C. Wheeler 1967-4-30 9239 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  UCR190470  Silene laciniata R. G. Swinney 2000-6-25 7799 Los Angeles San Gabriel Mtns., ridge on west side of San Antonio Canyon, between Evey Cyn. and nameless 1st canyon to north, c. 1/2 mi. west of San Antonio Cyn. Rd. 1159 Comment
  CAS-BOT-BC389108  Silene laciniata subsp. californica Tim Ross; Walter Appleby 1993-6-7 7370 Los Angeles W end of the San Gabriel Mtns: ca 500 ft ENE of Los Pinetos Spring 918 Comment
  RSA477944  Silene laciniata subsp. major Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  UC1595284  Silene laciniata subsp. major Tim Ross 1992-5-17 6378 Los Angeles lower Shoemaker Canyon draining to the E Fork San Gabriel River (joining it at 2125 feet elevation, San Gabriel Mts.); San Gabriel Mts. lower Shoemaker Canyon 752 Comment
  CAS-BOT-BC389327  Silene lemmonii I. M. Johnston 1917-6-15 1276 Los Angeles San Antonio Mountains. Cascade Canon [Canyon] 1371 Comment
  RSA0103927  Silene verecunda R. G. Swinney 2011-6-23 15320 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
  RSA229108  Silene verecunda subsp. platyota R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38879 Los Angeles Near Lodgepole Picnic ground at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Hwy., 1.2 mi. SE of Dawson saddle. 2332 Comment
  OBI55021  Silybum marianum Steve Boyd, Lauren Raz 1997-5-28 9866 Los Angeles Liebre Mts region: Knapp Ranch area at upper endo f Castaic crk drainage in broad alluvial valley at head of Cienaga Cyn, S Liebre Mtn. T7N R17W E 1/2 SW 1/4 sec 14; 7N 17W W 1/2 SE 1/4 sec 14 939 Comment
  RSA656973  Silybum marianum Patricia Kouo 1994-5-13 945129 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the west side of Rosemead Blvd., at the most south lake. Comment
  RSA608721  Sinapis alba L. C. Wheeler 1931-3-14 s.n. Los Angeles La Verne. Comment
  CAS-BOT-BC172758  Sisymbrium altissimum Mark A. Elvin; Cathleen Weigand 2003-5-22 2895 Los Angeles Santa Susana Mtns.: crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  SFV21424  Sisymbrium altissimum L. Gross, T. Anderson 2004-5-3 1218 Los Angeles San Gabriel Mountains Road started west of Mount Lukens, down (southeast) to a little west of Earl Canyon Road (USFS Roads 2N76.1 & 2N76.2) 1333 Comment
  UCR127633  Sisymbrium altissimum Mark A. Elvin, Cathleen Weigand 2003-5-22 2895 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  UCR224264  Sisymbrium altissimum R. G. Swinney 2009-6-24 11278 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR178898  Sisymbrium erysimoides R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, 0.8 mi east of Glendora Mtn Road 412 Comment
  CATA644  Sisyrinchium bellum Mark L. Hoefs 1991-4-18 1114 Los Angeles Santa Catalina Island: By road above Parson's Landing 129 Comment
  RSA366923  Sisyrinchium bellum Elbert Benjamine 1929-3-17 112 Los Angeles Griffith Park, Los Angeles. Comment
  UC845129  Sisyrinchium bellum I. W. Clokey, E. G. Anderson 1935-5-9 6559 Los Angeles Puddingstone Reservoir Comment
  UCSB909  Sisyrinchium bellum Wedberg, Lee 1954-4-5 Los Angeles Griffith Park 457 Comment
  POM1765  Sisyrinchium bellum J. H. Fairchild s.n. Los Angeles Claremont Canyon Comment
  RSA366931  Sisyrinchium bellum Bonnie C. Templeton 1932-7-21 5033 Los Angeles Between Prairie forks and Big Pines Comment
  RSA652071  Sisyrinchium bellum A. E. Hersh 1950-6-28 sn Los Angeles Faculty Hill, UCLA campus. 60 Comment
  RSA715213  Sitanion Gary D. Wallace, Bob Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1948 Los Angeles Fort Tejon Road. Comment
  RSA0102538  Smilacina stellata Richard G. Swinney 2010-9-30 13898 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
  SD48953  Solanum americanum Reid Moran 1958-9-15 6834 Los Angeles 1.8 miles SE of Eel Point, San Clemente Island 99 Comment
  UCR149851  Solanum americanum Scott D. White 2004-4-23 10228 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA422406  Solanum douglasii Mildred R. Solomen 1931-06 s.n. Los Angeles Griffith Park. Comment
  RSA799916  Solanum douglasii Justin M. Wood 2009-3-20 380 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  UCR178946  Solanum douglasii R. G. Swinney 1968-3-18 224 Los Angeles San Gabriel Mtns., Big Dalton Canyon, 1.0 mi. east of Glendora Mtn. Road 427 Comment
  UCR217423  Solanum douglasii R. G. Swinney 2009-3-10 10063 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR205734  Solanum nigrum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37018 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
  RSA603871  Solanum nigrum Louis C. Wheeler 1975-9-15 s.n. Los Angeles Pasadena: Mar Vista and Colorado Blvd. Comment
  UC457237  Solanum umbelliferum Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles San Gabriel Mountains, Big Pines Camp Big Pines Camp; San Gabriel Mountains, Big Pines Camp Comment
  RSA427428  Solanum umbelliferum Christopher Davidson, Robert Gustafson 1975-6-24 2877 Los Angeles Big Tujunga Canyon, ca. 5 miles NE of Sunland on road 2N78, small side canyon. 686 Comment
  UC1595370  Solanum umbelliferum Tim Ross 1992-7-16 6704 Los Angeles between Iron Mountain and Condor Peak (9 degrees nne, 725 m distant from Condor Peak Summit, just ne of 4949 ft ridgetop knoll); San Gabriel Mountains 1481 Comment
  RSA233642  Solanum wallacei Robert F. Thorne 1970-3-5 39358 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  HSC21326  Solanum xanti David Porter 1965-4-22 Los Angeles 0.5 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  RSA306190  Solanum xanti var. intermedium Fay A. MacFadden 1931-3-15 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  UCR149826  Solanum xanti var. intermedium Scott D. White, Pam Devries 2004-5-18 10410 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  RSA749761  Solidago californica R. G. Swinney 1997-9-6 5858 Los Angeles Mescal Picnic Park [= Mescal Campground] about 200 m N of Big Pines Rd along Mescal Canyon bottom. 1854 Comment
  RSA473691  Solidago confinis Thekla Mohr 1915-1 3007 Los Angeles North Fork, San Gabriel River. Comment
  RSA617224  Solidago confinis LeRoy Gross 1998-9-12 54 Los Angeles Wildwood picnic area. Right below road to picnic area off Big Tujunga canyon road. 6 miles from Sunland. 609 Comment
  CATA16  Solidago velutina subsp. californica Jenny L. McCune 2005-8-30 4 Los Angeles Santa Catalina Island: Just north of Middle Ranch Road, west of white bridge that is just west of junction with Herman's Trail, opposite pine grove 249 Comment
  SFV4110  Solidago velutina subsp. californica K. A. Wilson 1963-10-26 1313 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  UC36213  Solidago velutina subsp. californica J. H. Barber 1897-9-29 286 Los Angeles Santa Monica Experimental Station Santa Monica, Santa Monica Experimental Station (Santa Monica, Southern California) Comment
  CAS-BOT-BC365843  Soliva sessilis Louis C. Wheeler 1957-3-22 7247 Los Angeles Los Angeles: NE of old wing of Los Angeles County Museum, Exposition Park Comment
  UCR205097  Sonchus asper R. G. Swinney 2008-4-11 8659 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  CAS-BOT-BC365995  Sonchus asper M. B. Dunkle 1939-4-2 7209 Los Angeles Southeast point, San Clemente Island Comment
  CAS-BOT-BC374609  Sonchus oleraceus C. W. Tilforth 1969-11-22 238 Los Angeles Rancho Santa Ana Bot. Gard., Claremont Comment
  RSA0115279  Spartium junceum Richard G. Swinney 2010-10-5 13991 Los Angeles San Gabriel Mountains: east end of Palcerita Canyon Natrual Area, near confluence of Placerita and Los Pinteos canyons. 549 Comment
  RSA652110  Spartium junceum Regina Allen 1983-5-16 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. Comment
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May 23 2012
  UCR259280  Spartium junceum R. G. Swinney 2010-6-4 12987 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  SEINET10841724  Spartium junceum Walter H. Lewis 1991-6-13 Lewis 14927 Los Angeles San Gabriel Mountains, San Antonio Canyon, Mt. Baldy Rd., near Hog Back turnoff. 1146 Comment
  RSA0115855  Spergularia bocconi Steven A. Junak 1999-5-6 SCa- 881 Los Angeles Santa Catalina Island. 0.1 mi W of Emerald Bay Road, at gate. 15 Comment
  RSA0098393  Spergularia macrotheca F. R. Fosberg 1930-6-23 S 2944 Los Angeles Del Rey. 1 Comment
  LA201172  Spergularia macrotheca var. leucantha Arthur C. Gibson; 2003-5-21 4707 Los Angeles Comment
  CAS-BOT-BC390803  Spergularia marina E. Braunton 1932-4-27 s.n. Los Angeles Los Angeles Comment
  RSA0097291  Spergularia salina var. salina L. C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: South of 200 E. Signal Street. Comment
  SEINET3150441  Sphaerostigma viridescens G. B. Grant 1238 Los Angeles Redondo Comment
  CAS-BOT-BC235430  Sporobolus airoides 1928-6-10 17 Los Angeles Peace Valley Comment
  RSA18413  Stachys albens Carl B. Wolf 1927-7-27 690 Los Angeles Ridge Route Road, 10 miles N of Sandburg. Comment
  UCR104134  Stachys albens Scott D. White 1997-5-21 5202 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  RSA608527  Stachys bullata Louis C. Wheeler 1930-4-26 27 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  SD38745  Stachys bullata Edith A. Purer 1931-5-8 Los Angeles Griffith Park. Comment
  UCR270159  Stachys bullata R. G. Swinney 2011-4-9 14357 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
  RSA446697  Stachys rigida subsp. rigida Gus Gluechert 1937-5-3 s.n. Los Angeles Culver City. Comment
  RSA226025  Stanleya pinnata var. pinnata R. F. Thorne, C. W. Tilforth 1971-6-29 40640 Los Angeles Angeles National Forest: along Little Rock Creek, 1.6 mi. above Little Rock Dam near Reservoir Campground 1006 Comment
  RSA545254  Stellaria media D. Propst, Mark Hoefs 1973-3-3 49 Los Angeles Santa Catalina Island: Cottonwood Canyon 183 Comment
  SBBG17471  Stellaria media K. A. Wilson 1962-4-1 1259 Los Angeles Old Topanga Cyn Rd, 0.5 mi NW of Topanga Cyn Blvd Comment
  RSA682726  Stellaria nitens LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1051 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 519 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
  UCD99473  Stellaria nitens Daryl Koutnik 1978-5-2 454 Los Angeles Bell Canyon in the Simi Hills. 426 Comment
  RSA13703  Stephanomeria cichoriacea L. C. Wheeler 1933-9-10 2108 Los Angeles W Fork Santa Anita Canyon. 640 Comment
  UCR281295  Stephanomeria parryi R. G. Swinney 2014-4-24 16230 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  CAS-BOT-BC375820  Stephanomeria virgata Wesley O. Griesel 1961-8-22 s.n. Los Angeles Los Angeles 152 Comment
  POM248400  Stephanomeria virgata P. A. Munz 1939-6-1 s.n. Los Angeles Vacant lots, Claremont. Comment
  SDSU704  Stipa coronata H.. Wedberg 1966-4-3 1208 Los Angeles Above Hill Drive and Neal in Eagle Rock. 457 Comment
  UCR117117  Stipa lepida A. C. Sanders, D. Malueg 2001-5-17 24350 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  HSC23308  Stipa miliacea C. E. Fellows 1965-12-23 194 Los Angeles Granada Hills, 2/10 mi. W of Zelzah Ave. on Rinaldi St. Comment
  UCR143118  Stipa pulchra Reid Moran 1941-2-16 570 Los Angeles Channel Islands, Middle Ranch, Santa Catalina Island 500 Comment
  UC604844  Streptanthella longirostris Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9496 Los Angeles Highway between Adelanto and Lancaster Comment
  CAS-BOT-BC376000  Stylocline gnaphaloides Grant 1901-4-9 3784 Los Angeles Avalon Comment
  RSA199184  Stylocline gnaphaloides R. F. Thorne, D. Propst 1968-5-28 37661 a Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA393789  Stylocline gnaphaloides L. C. Wheeler 1934-4-17 2528 Los Angeles San Gabriel Mountains, Palmer Canyon 510 Comment
  RSA611776  Stylocline gnaphaloides L. C. Wheeler 1934-4-24 2549 Los Angeles Liveoak Canyon Dam 457 Comment
  NY324396  Suaeda depressa var. erecta S. B. Parish 10 1882 1598 Los Angeles Santa Ana Comment
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Jun 25 2012
  POM18157  Suaeda taxifolia P. A. Munz 1923-4-11 6773 Los Angeles San Clemente Island: low shor