Search Results — 2000 specimen records retrieved (1555 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384189  Abies concolor B. C. Templeton 1932-5-31 4864 Los Angeles Between Big Pines Camp and Jackson Lake 1829 Comment
  RSA460914  Abronia maritima F. R. Fosberg 1930-6-23 S 2974 Los Angeles Del Rey. 2 Comment
  RSA680067  Abronia maritima Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-8 324 Los Angeles San Clemente Island. West dunes along road to S end of dunes next to ocean. Comment
  PASA580  Abronia pogonantha Margaret Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
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Sep 5 2014
  SEINET3134480  Abronia pogonantha L. C. Higgins 1974-4-11 8451 Los Angeles Hwy 18 at Los Angeles - San Bernardino county line Comment
  SD237521  Abronia umbellata Jeremiah George 2012-3-12 Los Angeles South Coast: Hermosa Beach, vacant lot south of 1125 Manhattan Avenue. 10 Comment
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Aug 12 2016
  SEINET3828401  Abronia umbellata Jeremiah George 2012-1 Los Angeles South Coast: Hermosa Beach, vacant lot south of 1125 Manhattan Avenue (Redondo Beach 7.5') 11 Comment
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Aug 12 2016
  RSA0105691  Acacia Vyki Englert, Charlie de la Rosa 2011-3-16 46 Los Angeles Santa Catalina Island. USC Marine Institution, Big Fisherman's Cove in Two Harbors, behind VIP housing. Comment
  RSA579227  Acacia cyclops T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7425 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 177 Comment
  UCR46559  Acacia cyclops A. C. Sanders 1986-7-30 6804 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  UCR51073  Acacia longifolia A. C. Sanders 1988-3-17 7733 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  PASA1798  Acamptopappus sphaerocephalus Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
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Sep 5 2014
  SD124547  Acamptopappus sphaerocephalus J. Sauer, G. Malanson 1981-5-15 6137 Los Angeles San Gabriel Mountains; near Juniper Hills on north side of range. Comment
  RSA394175  Acer macrophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6731 Los Angeles San Dimas Canyon, bottom of canyon Comment
  RSA724648  Acer macrophyllum K. Dobry 1991-5-2 583 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR129417  Achillea millefolium A. C. Sanders, Mark Elvin 2002-6-20 25230 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA94581  Achillea millefolium Raymond J. Dobbs 1927-5-26 7674 Los Angeles near relay station, south slope of San Gabriel Mtns. Comment
  SEINET255879  Achnatherum occidentale subsp. pubescens Mary E. Barkworth, LR Firestone 1982-8-26 4087 Los Angeles Charlton Flats on hillside along little paved road in Chilao Recreation Area. .8 mi above parking 1685 Comment
  CATA1301  Acmispon Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2391 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  CAS-BOT-BC204752  Acmispon argophyllus var. argenteus Peter H. Raven 1962-4-9 17149 Los Angeles San Clemente Island. Wilson Cove 60 Comment
  CAS-BOT-BC204781  Acmispon argophyllus var. argenteus Geo. B. Grant 1906-9-1 7162 Los Angeles Sta [Santa] Catalina Island Comment
  SD52979  Acmispon argophyllus var. argenteus Peter H. Raven 1962-5-20 17777 Los Angeles Santa Catalina Island: near Bird Park, Avalon. Comment
  UC1302364  Acmispon dendroideus var. dendroideus Robert F. Thorne and P. C. Everett 1964-2-6 33439 Los Angeles Santa Catalina Island. (Perhaps 1 mi SW of Empire Landing), N central part of island. 243 Comment
  LA105118  Acmispon glaber var. glaber Barry A. Prigge; 1988-7-9 8254 Los Angeles Santa Monica Mountains, Calabasas, 900 ft ESE of N-Junction of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  SBBG31487  Acmispon micranthus R. F. Thorne 1966-4-5 Los Angeles above stream in Cottonwood Cyn 106 Comment
  UCR282230  Acmispon strigosus Dan S. Cooper 2016-4-15 416- 30 Los Angeles Torrance, west of Crenshaw Blvd., south of 208th St., east of railroad 21 Comment
  SEINET10407804 Image available Acmispon strigosus G. B. Grant 1906-1 Los Angeles collected at summit of Mt. Wilson; San Gabriel mts; southern California 1829 Comment
  SBBG67987  Acmispon wrangelianus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
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Sep 20 2009
  UCD104532  Acmispon wrangelianus A. C. Sanders; E. J. Lawlor 1988-4-3 7758 Los Angeles Southwestern end of the Tehachapi Mountains, one mile NW of Gorman on a gasline road, 0.4 mi. above the old highway. 1280 Comment
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Oct 21 2018
  LA93443  Adenostoma fasciculatum Jonathan Sauer; J. Habeck, D. Bradbury 1969-5-21 4539 Los Angeles Santa Monica Mountains, above Encino 396 Comment
  RSA731300  Adenostoma fasciculatum James W. Raymond 1960-03 s.n. Los Angeles Brand Park. Verdugo Hills. 762 Comment
  SFV21013  Adenostoma fasciculatum L. Gross 2003-3-7 760 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Verdugo Crestline Dr. (fire road) just north of the 210 Freeway. Entered on the west side at Topley Lane, off of Newhome Ave. in Sunland. Above road near top of ridge. 555 Comment
  UCR259631  Adenostoma fasciculatum R. G. Swinney 2010-4-15 12215 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  POM612  Adenostoma fasciculatum var. fasciculatum D. L. Crawford 1915-08 s.n. Los Angeles San Antonio Canyon, Claremont Comment
  SBBG31287  Adenostoma fasciculatum var. fasciculatum R. F. Thorne with P. C. Everett 1965-5-10 Los Angeles S slope of Black Jack Mtn, a few hundred ft below summit 487 Comment
  SBBG53927  Adenostoma fasciculatum var. fasciculatum K. R. Montgomery, T. W. Strid 1973-6-7 73 -145 Los Angeles Dillon Divide Comment
  RSA729342  Adiantum aleuticum R. G. Swinney 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 1159 Comment
  RSA729967  Adiantum capillus-veneris R. G. Swinney, D. W. Larson 1999-5-15 7147 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  SEINET3861129 Image available Adiantum capillus-veneris Timothy S. Ross, Steve Boyd; Steve W. Burns 1994-7-6 8108 Los Angeles Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge and joins Clearwater Canyon at Plum Spring. Green Valley 7.5' USGS Quadrangle.; 0 814 Comment
  POM182469  Adiantum capillus-veneris F. G. Floyd 1930-12-11 s.n. Los Angeles San Gabriel Mnts, Angeles National Forest, Big Santa Anita Canyon. On cliffs below the dam 305 Comment
  LA200060  Adiantum jordanii Lawrence L. Kiefer; 1966-3-12 1701 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Rd. S of Mulholland Hwy, just N of Cold Creek and E of road. 304 Comment
  RSA158305  Adiantum jordanii Peter H. Raven 1962-5-9 17694 Los Angeles San Clemente Island, canyon just north of Gray 366 Comment
  RSA765312  Ageratina adenophora Doris Bowers 1957-3-24 936 Los Angeles Millard's Canyon N/o Altadena 1220 Comment
  UCR150617  Ageratina adenophora Scott D. White 1997-5-8 5090 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  RSA638209  Ageratina adenophora Louis C. Wheeler 1945-5-8 6012 Los Angeles San Gabriel Mountains: Millard Canyon. 411 Comment
  LA31695  Agoseris grandiflora Henry J. Thompson; 1959-5-31 2055 Los Angeles SANTA MONICA MOUNTAINS, Just E of junction of Latigo Canyon Road, with Mulholland Highway. 518 Comment
  UC75801  Agoseris retrorsa Geo. B. Grant 1890-1 28 Los Angeles Pasadena Comment
  UCR210124  Agrostis R. G. Swinney 2008-7-24 9351 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  CAS-BOT-BC139050  Agrostis pallens Carl B. Wolf 1932-5-14 3634 Los Angeles Santa Catalina Island. Avalon. Above teh Amphitheatre. 60 Comment
  UCR197223  Agrostis pallens Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 985 Los Angeles Verdugo Mountains, southwest side, along Verdugo Mtwy, above Brace Canyon, west of junction with Stough Canyon Mtwy 610 Comment
  RSA129197  Agrostis stolonifera H. S. Yates 1936-8-28 6366 Los Angeles Big Pine Park, San Antonio quadrangle: T3N R8W, sec. 2. 1982 Comment
  RSA605022  Agrostis stolonifera L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  CATA3561  Ailanthus altissima Benjamin J. Dion 2018-7-13 009 Los Angeles Santa Catalina Island: Channel side; found throughout landscaped property at 309 E Whittley Ave in Avalon 60 Comment
  RSA0056381  Albizia lophantha Jack Pepper 1953-2-11 s.n. Los Angeles San Fernando Valley. Comment
  RSA0037250  Alisma lanceolatum Sandy Leatherman, Jennifer S. Pareti, Brian Daniels 2013-4-18 2013 -3 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; Wilmington Channel, southeast of the intersection of South Vermont Ave. and Lomita Blvd.; approximately 100 feet downstream of Lomita Blvd. 5 Comment
  RSA586482  Allium burlewii Orlando Mistretta, Mark Elvin 1995-6-20 1816 Los Angeles Bare Mountain Canyon. 1845 Comment
  UC284817  Allium burlewii P. A. Munz 1923-5-26 6840 Los Angeles Vincent Gulch San Gabriel Mts., Vincent Gulch 1950 Comment
  UCR190772  Allium fimbriatum R. G. Swinney 2001-5-18 7932 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UC635247  Allium fimbriatum var. fimbriatum Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts, Pinon Ridge Comment
  RSA367166  Allium lacunosum var. davisiae Carl Epling, L. Ellison 1930-4-17 s.n. Los Angeles Palmdale. Comment
  UCR192588  Allium lacunosum var. davisiae A. C. Sanders 2008-4-10 34800 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA596075  Allophyllum divaricatum T. S. Ross, S. D. Boyd 1995-6-28 8624 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  UC880194  Allophyllum divaricatum C. F. Baker 1904-6-14 4777 Los Angeles hills near Claremont Comment
  UCD118004  Allophyllum divaricatum Robert C. Bechtel 1956-7-18 s.n. Los Angeles Tanbark Flat, San Dimas Experimental Forest. 822 Comment
  POM3484  Allophyllum glutinosum Crawford, Hiatt 1916-3-29 s.n. Los Angeles Topango Canyon Comment
  UC55345  Allophyllum glutinosum J. H. Barber 1898-8-3 Los Angeles Topango Comment
  RSA732936  Allophyllum integrifolium R. G. Swinney 1998-7-8 6345 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA329732  Alnus rhombifolia Gary D. Wallace 1966-3-25 214 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  LA31598  Amaranthus albus Peter H. Raven; Henry J. Thompson 1959-6-4 14330 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  JEPS19649  Amaranthus deflexus Rimo Bacigalupi 1955-7-7 Los Angeles Santa Fe Railroad station, Pasadena Pasadena Comment
  RSA747395  Amaranthus hybridus A. C. Sanders 2009-5-20 36873 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. ( Hwy 19) and west of Santa Anita Ave. 66 Comment
  RSA695656  Amblyopappus pusillus J. Vlahos 1935-6-27 s.n. Los Angeles Santa Catalina [Island] Comment
  SEINET2043131 Image available Amblyopappus pusillus Jon Rebman, J. Dunn 1996-4-29 3106 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island; 10 Comment
  CAS-BOT-BC13491  Amblyopappus pusillus A. J. McClatchie 1893-9-12 s.n. Los Angeles Catalina Comment
  RSA534151  Amblyopappus pusillus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5054 Los Angeles San Clemente Island, disturbed flats 650ft SE of the air terminal. 64 Comment
  CAS-BOT-BC42858  Ambrosia acanthicarpa J. Q. Adams 1910-10-1 s.n. Los Angeles Soldier's Home Comment
  CAS-BOT-BC42898  Ambrosia acanthicarpa Ernest C. Twisselmann 1956-9-14 3167 Los Angeles Upper end of Castaic Valley 1188 Comment
  RSA760606  Ambrosia acanthicarpa R. G. Swinney 2008-12-2 9927 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  SFV16846  Ambrosia acanthicarpa J. D. Dilley 1996-10-26 s. n. Los Angeles San Gabriel Mountains Vincent Gap on Angeles Crest Highway. In gravelly soil by parking lot. 2134 Comment
  UC1211045  Ambrosia chamissonis Huron H. Smith 1912-5-9 4955 Los Angeles Redondo 0 Comment
  SD107854  Ambrosia chamissonis Larry DeBuhr, Gary Wallace 1972-9-4 723 Los Angeles San Clemente Island, sand at West Cove on northwest end Comment
  POM155780  Ambrosia psilostachya M. B. Dunkle 1928-10-7 1997 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 152 Comment
  RSA189413  Ambrosia psilostachya L. S. Rose 1966-12-24 66115 Los Angeles Westwood Village. 122 Comment
  HSC24362  Ambrosia salsola Betty Ferguson 1968-4-27 16 Los Angeles 10 miles SE of Palmdale on Hwy. 138 by Little Rock in Mojave Desert 1067 Comment
  UCSB18104  Ambrosia salsola var. salsola Gillett, Janice 1964-5-8 Los Angeles State Highway 138, 1 mile W of Pearblossom 914 Comment
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Jul 16 2014
  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
  SD69036  Ammannia robusta Robert F. Thorne 1966-9-16 36710 Los Angeles Santa Catalina Island, margin of reservoir at Hay Press 410 Comment
  LA81964  Amsinckia intermedia O. H. Kappler; 1941-3-15 136 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SBBG79022  Amsinckia intermedia F. R. Fosberg 1931-3-23 4329 Los Angeles Hamilton Cyn 30 Comment
  SD49387  Amsinckia intermedia Reid Moran 1959-3-9 7163 Los Angeles San Clemente Island, canyon 2 miles southeast of Eel Point 99 Comment
  RSA0079975  Amsinckia intermedia Louis E. Hoffman 1929-3-18 s.n. Los Angeles Soledad Canyon, near Lang. Comment
  SFV18417  Amsinckia intermedia C. Ferguson 1974-3-28 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Hillside west of park. Comment
  RSA617396  Amsinckia menziesii Scott D. White 1998-6-4 6641 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, North Lake Planned Community 425 Comment
  SD252290  Amsinckia menziesii Steven A. Junak 1999-4-22 Sca 841 Los Angeles Santa Catalina Island: in upper part of Cape Canyon, at pumphouse, just upstream from fork in road. 305 Comment
  IRVC26441  Amsinckia menziesii var. intermedia A. C. Sanders, Mark Elvin, et al. 2003-3-4 25700 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  UCR125925  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin 2002-6-19 25178 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  LA40185  Amsinckia menziesii var. menziesii Robert G. Engman; sn Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  UCR154234  Amsinckia retrorsa A. C. Sanders, T. B. Salvato 2005-5-24 30260 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  SD41399  Amsinckia spectabilis Edith A. Purer 1931-3-21 Los Angeles El Segundo Comment
  UCD119793  Amsinckia spectabilis Richard Bates 1949-3-1 s.n. Los Angeles Point Dume, west of Malibu. Comment
  SBBG63559  Amsinckia tessellata R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  SFV9420  Amsinckia tessellata M. L. Vincent, R. H. Swade 1964-4-2 479 Los Angeles San Gabriel Mountains Valyermo Road, about 200 m (1/8 mile) north of Pallett Road. 1085 Comment
  UCR187108  Amsinckia tessellata A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32243 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  UCR221906  Amsinckia tessellata R. G. Swinney 2009-4-28 10521 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA545245  Anagallis arvensis D. Propst, M. Hoefs 1973-3-3 21 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 366 Comment
  CAS-BOT-BC137846  Andropogon glomeratus var. glomeratus McClatchie s.n. Los Angeles Pasadena. Comment
  POM178027  Anemopsis californica Joseph A. Ewan 1931-5-16 4221 Los Angeles Dry Canyon near Calabasas. Comment
  POM6042  Anthemis cotula J. F. Illingworth 1898-05 57 Los Angeles Claremont. 366 Comment
  RSA674555  Anthemis cotula Scott D. White 2000-6-24 8094 Los Angeles Puente Hills: City of Rowland Heights, 'Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  RSA416831  Anthemis cotula Anstruther Davidson 1889-1 s.n. Los Angeles [No additional locality data] Comment
Read comments
Mar 31 2015
  RSA505440  Antirrhinum kelloggii R. C. Bacigalupi 1957-5-12 5879 Los Angeles Slope above Las Flores Canon, 1/4 miles above US Army Nike launching site; Santa Monica Mts. 274 Comment
  JEPS83290  Antirrhinum multiflorum David M. Thompson 1983-8-1 383 Los Angeles on road from Mills Avenue, Claremont to Mount Baldy (about 100 ft n of n-most of two highway tunnels, Mt. Baldy Quad. (7.5', 1967)); Angeles National Forest, San Gabriel Mts. Comment
  RSA582798  Antirrhinum multiflorum Tim S. Ross, Steve D. Boyd 1993-5-23 7286 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  SBBG119070  Antirrhinum multiflorum S. D. White 2004-7-28 10665 Los Angeles Clear Crk area, "The Pines" picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jct with Angeles Crest Hwy (Condor Pk: T2N R12W S8) 976 Comment
  UC444963  Antirrhinum multiflorum unknown Los Angeles Newhall Comment
  UC150064  Antirrhinum nuttallianum subsp. nuttallianum LeRoy Abrams 1902-6-8 2496 Los Angeles Playa del Rey Comment
  SBBG131580  Aphanes occidentalis S. A. Junak 2000-4-15 SCa 1212 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  JEPS16049  Apiastrum angustifolium Frank W. Peirson 1918-5-26 133 Los Angeles San Gabriel Mountains, Henniger Flats Henniger Flats; San Gabriel Mountains, Henniger Flats 868 Comment
  CDA5333  Apium graveolens T. C. Fuller 1961-5-11 7264 Los Angeles Northeast of Lemon Avenue & Vejar Road, Walnut. 0 Comment
  POM156719  Apocynum cannabinum L. R. Abrams 1902-7-12 2709 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  POM366910  Aquilegia formosa Bonnie C. Templeton 1932-7-21 5042 Los Angeles Prairie Forks near Big Pines Park , San Gabriel Mountains. Comment
  POM175575  Aquilegia formosa E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  SD181655  Arabidopsis thaliana LeRoy Gross 2001-3-31 363 Los Angeles Verdugo Mountains Region: Main crest with Sunset Canyon to the west and Story Canyon on the east. 366 Comment
  SEINET4136766  Arabis sparsiflora var. californica K. Dobry 1991-3-16 d 258 Los Angeles Montifisher Property off Stunt Road. Lower Cold Creek Canyon, Santa Monica Mountains.; 0 Comment
  RSA320395  Aralia californica W. Wisura 1984-10-17 4023 Los Angeles 3.7 mi. from Hwy 39 Comment
  UCR23642  Arbutus menziesii John C. Roos 1942-3-21 1095 Los Angeles San Gabriel Mtns, Santa Anita Canyon 244 Comment
  POM47575  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1924-8-13 s.n. Los Angeles along Sunset Trail 1/2 mi. S of Sunset Peak. 1585 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
  SBBG121239  Arctostaphylos glandulosa subsp. mollis V. Soza, I. Anderson, L. Gross 2000-6-6 990 Los Angeles Verdugo Motorway, E of jct w/ Stough Cyn Motorway, above Stough and Wildwood cyns, W side of PK "2642" 762 Comment
  UC1120306  Arctostaphylos glandulosa subsp. zacaensis R. St. John 1930-1-21 77 Los Angeles Castro Peak Triunfo Pass Quadrangle Comment
  RSA631455  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16037 Los Angeles Ridge Route, 12 km south of Liebre Gulch turnoff. 950 Comment
  RSA631468  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15715 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631622  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15772 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  RSA631635  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15836 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  UCR184205  Arctostaphylos glauca A. C. Sanders, T. B. Salvato 2007-4-24 33493 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1128 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
  RSA634775  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20346 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA634827  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22015 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634833  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22058 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA634856  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20572 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA233450  Arctostaphylos patula R. F. Thorne 1968-11-9 37866 Los Angeles along trail up S slope of Mt. Williamson 2195 Comment
  RSA635248  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20646 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  UCR185347  Arenaria pusilla A. C. Sanders 2007-4-25 33558 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  RSA535723  Artemisia californica Timothy S. Ross 1991-5-22 5464 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. 79 Comment
  SBBG12862  Artemisia californica E. R. Blakley 1962-1-7 4836 Los Angeles Pebbly Beach Comment
  LA105070  Artemisia douglasiana Barry A. Prigge; 1988-7-3 8198 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA652953  Artemisia douglasiana A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23277 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Canyon watersheds. 610 Comment
  SEINET221464  Artemisia douglasiana Mark Hoefs 1973-7-20 395 Los Angeles Santa Catalina Island: By the northwest corner of Middle Ranch Reservoir. 183 Comment
  RSA0106497  Artemisia dracunculus R. G. Swinney 2011-10-18 15833 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
  CAS-BOT-BC93866  Artemisia dracunculus George L. Moxley 1920-8-28 818 Los Angeles Garapito Canyon, Santa Monica Mts. Comment
  RSA417315  Artemisia dracunculus Robert Gustafson 1981-6-17 2235 Los Angeles Ballona Wetlands, Area 2. Comment
  JEPS36952  Artemisia ludoviciana subsp. incompta Joseph Andorfer Ewan 1936-8-9 10020 Los Angeles s end Blue Ridge (Guffy's Spring); San Gabriel Mountains 2560 Comment
  SBBG62455  Artemisia spinescens Anstruther Davidson 1893-1 Los Angeles Lancaster Comment
  UC1971226  Artemisia tridentata Louis C. Wheeler 1956-9-16 7239 Los Angeles SAN GABRIEL MOUNTAINS: Guffy Camp, Blue Ridge Comment
  POM182392  Artemisia tridentata subsp. parishii Joseph A. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley. Comment
  RSA417383  Artemisia tridentata subsp. parishii Ora M. Clark 1929-3-30 1907 Los Angeles West Lancaster Comment
  CAS-BOT-BC97335  Artemisia tridentata subsp. tridentata H. M. Hall 1919-10-20 s.n. Los Angeles Mint [Canon] Canyon Comment
  SEINET210834  Asclepias californica R. F. Thorne, M. Z. Thorne 1969-7-10 38376 Los Angeles San Gabriel Mts., Angeles National Forest, slope N of Jackson Lake. 1859 Comment
  UC1971457  Asclepias californica Louis C. Wheeler 1946-8-24 6244 Los Angeles SAN GABRIEL MOUNTAINS: Wawona Lodge (site) adjacent to Crystal Lake. Comment
  SEINET10961640  Asclepias eriocarpa LeRoy R. Abrams 1902-6-29 Abrams 2595 Los Angeles Summit of Mt. Wilson Comment
  UCR127404  Asclepias fascicularis A. C. Sanders, M. S. Enright 2002-8-8 25571 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  SEINET10637221  Asclepias michauxii Austin Griffiths Jr. 1961-12-21 Griffiths 4445 Los Angeles Comment
  CATA1353  Asparagus asparagoides Mark L. Hoefs, Robert F. Thorne 1995-7-26 2464 Los Angeles Santa Catalina Island: Middle Canyon, along road, by bridge, across from Squaw Valley residence 176 Comment
  RSA367400  Asphodelus fistulosus Fay A. MacFadden 1934-4-5 12483 Los Angeles Culver City. Comment
  RSA686320  Aspidotis californica E. Crow 1928-10-21 7 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  UC42404  Aspidotis californica O. D. Allen 1884-9-29 8 Los Angeles at base of San Gabriel Mts Little Santa Anita Canyon; San Gabriel Mts Comment
  NY621864  Astragalus brauntonii G. T. Hastings 1942-4-26 s.n. Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA60147  Astragalus didymocarpus var. dispermus Lois E. James 1946-4-25 1748 Los Angeles Acton, Soledad Canyon. Comment
  JEPS54902  Astragalus douglasii var. douglasii W. L. Jepson 1939-4-21 19232 Los Angeles Fairmont Mohave Desert (Mohave Desert) 847 Comment
  RSA584966  Astragalus douglasii var. douglasii T. S. Ross 1990-6-1 2762 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  UCR189402  Astragalus leucolobus R. G. Swinney 1998-7-2 6194 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA232624  Astragalus miguelensis Larry E. DeBuhr, Gary D. Wallace 1972-9-1 685 Los Angeles San Clemente Island NW side of island. Comment
  UCR219819  Astragalus pachypus var. pachypus R. G. Swinney 2009-4-24 10431 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA18874  Astragalus preussii var. laxiflorus Marcus E. Jones 1937-1 s.n. Los Angeles [Antelope Valley. Dr. A.Davidson] Comment
  UC63671  Astragalus purshii var. tinctus H. M. Hall June 1899 Los Angeles Schwartout Canyon San Antonio Mountains, Schwartout Canyon Comment
  SBBG38921  Astragalus trichopodus var. lonchus E. R. Blakley 1963-4-7 5520 Los Angeles Middle Ranch Cyn, ca. 1 mi above Middle Ranch 228 Comment
  UC1128826  Astragalus trichopodus var. lonchus A. D. Gifford 1934-5-15 231 Los Angeles between Escondido and Latigo Canyon; Triunfo Pass Quad., betw Escondido and Latigo Canyon Comment
  RSA627538  Astragalus trichopodus var. phoxus Sandy Leatherman, S. D. White 1998-5-15 10 Los Angeles Western Liebre Mountains. West of Castaic Lake and east of Interstate 5. 610 Comment
  SEINET5585516  Atriplex amnicola R. E. Riefner Jr. 2013-1 13 -9 Los Angeles Los Angeles, Dockweiler State Beach, vicinity Vista Del Mar Blvd. at Imperial Hwy. 14 Comment
  UCR11935  Atriplex californica P. H. Raven, H. J. Thompson 1959-6-4 14341 Los Angeles Western Transverse Range; Santa Monica Mtns., Point Dume 46 Comment
  UCR125135  Atriplex canescens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25547 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, NE of old ranch headquarters 366 Comment
  SBBG13623  Atriplex lentiformis subsp. breweri P. H. Raven 1962-5-7 17580 Los Angeles just above coast 1 mi S of Wilson Cove 6 Comment
  SD212555  Atriplex lentiformis subsp. breweri Tim Searl 2007-10-15 151007 07 Los Angeles South Coast; Las Flores, along Pacific Coast Highway ca. 3.0 miles east of Malibu. 14 Comment
  CAS-BOT-BC180949  Atriplex nummularia Carl B. Wolf 1931-12-30 2637 Los Angeles Playa del Rey 30 Comment
  RSA6640  Atriplex parryi C. B. Wolf 1932-9-15 1548 Los Angeles About 2 blocks west of center of town of Lancaster. Antelope Valley, Mojave Desert. 718 Comment
  RSA642088  Atriplex phyllostegia Orlando Mistretta, Mark Elvin 1995-3-30 s.n. Los Angeles Lancaster area: Northwest corner of Sierra Highway and Avenue C, north of Lancaster. Comment
  POM646  Atriplex rosea I. J. 1917-5-30 s.n. Los Angeles South of Ontario. 183 Comment
  SBBG12208  Atriplex semibaccata E. R. Blakley 1961-9-23 4733 Los Angeles Ballast Pt, Catalina Harbor Comment
  UC56783  Atriplex serenana var. davidsonii Ernest Braunton Sep 1902 634 Los Angeles Cienega Comment
  UCR125122  Atriplex suberecta A. C. Sanders, Mark Elvin 2002-6-18 25113 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  RSA598897  Avena barbata Steve Boyd, Timothy S. Ross 1997-3-21 9213 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SD69355  Avena barbata Robert F. Thorne, P. Everett 1965-5-11 34587 Los Angeles North beach at base of rocky slope, Little Harbor, Santa Catalina Island. 14 Comment
  CHSC99443  Avena fatua LeRoy Gross 2001-3-31 365 Los Angeles Los Angeles Basin: Verdugo Mountains Region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road. The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. Along old road. 396 Comment
  SBBG13803  Azolla filiculoides M. A. Piehl 1962-10-3 62522 Los Angeles Middle Ranch Crk; Cottonwood Crk at bridge along main rd, W side of island Comment
  POM350330  Baccharis emoryi Anstruther Davidson 1893-5-28 2013 Los Angeles Long Beach Comment
  UCR127384  Baccharis glutinosa A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25525 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA522972  Baccharis pilularis Timothy S. Ross 1991-2-23 4083 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 293 Comment
  CAS-BOT-BC482463  Baccharis salicifolia R. G. Swinney 2010-4-30 12463 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 616 Comment
  SBBG108928  Baccharis salicifolia S. A. Junak 1997-4-24 SCl 871 Los Angeles flats just S of Wall Rock Cyn 198 Comment
  SD66843  Baccharis salicifolia R. Mitchel Beauchamp 1967-6-2 541 Los Angeles San Clemente Island, halfway between Eel Point and the sand dunes. 29 Comment
  UCR139004  Baccharis salicifolia L. C. Wheeler 1961-6-13 7876 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR153568  Baccharis salicifolia A. C. Sanders 2005-5-11 30179 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
  UC1483351  Baccharis salicifolia subsp. salicifolia Jack Delaini 1974-2-14 3 Los Angeles edge of San Dimas Creek Angeles National Forest, Lodi Canyon, San Dimas Experimental Comment
  LA209797  Baccharis sergiloides Carl Wishner; 1999-9-21 34531 Los Angeles Santa Monica Mountains, Sepulveda Canyon, East Sepulveda Canyon Fire Road and fuelbreak 323 Comment
  RSA5778  Berberis nevinii C. B. Wolf 1932-7-6 3834 Los Angeles San Fernando Valley, 2 blocks east of Pacoima Grammar School on Van Nuys Blvd. 335 Comment
  SEINET6078263  Berberis nevinii Mark Elvin, Wall, M. 1997-1 Los Angeles Comment
  SBBG13444  Bergerocactus emoryi E. R. Blakley 1961-9-23 4737 Los Angeles S shore of Catalina Harbor E of Ballast Pt 1 Comment
  POM53945  Bidens laevis Edward L. Greene 1903-10-1 3727 Los Angeles Pomona. Comment
  RSA601574  Bloomeria crocea L. C. Wheeler 1967-6-16 9845 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  CATA529  Bloomeria crocea Sara L. Crockett 1997-4-29 681 Los Angeles Santa Catalina Island: End of unnamed road, 0.4 mile beyond jct. with road leading to Bulrush Canyon/Salta Verde 451 Comment
  POM158343  Bloomeria crocea var. crocea M. B. Dunkle 1928-3-17 1760 Los Angeles Isthmus, Santa Catalina Island. 122 Comment
  RSA585530  Boechera californica Timothy S. Ross 1992-4-21 6231 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  UCR272618  Boechera repanda R. G. Swinney 2011-8-5 15591 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
  JEPS53182  Boechera sparsiflora Frank W. Peirson 1918-5-19 62 Los Angeles Echo Mountain San Gabriel Mts. 1036 Comment
  RSA600439  Boisduvalia glabella Louis C. Wheeler 1933-4-27 1670 Los Angeles San Pedro Hills 305 Comment
  SEINET3128293  Bothriochloa barbinodis G. B. Grant 41 Los Angeles Pasadena Comment
  RSA703254  Boykinia rotundifolia Naomi Fraga, LeRoy Gross, Sarah J. Parker, Paul Morton 2004-6-3 1239 Los Angeles South fork of Cascade Canyon. 1372 Comment
  CATA1103  Brachypodium distachyon Mark L. Hoefs 1995-5-23 2057 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  UCR220231  Brassica geniculata R. G. Swinney 2009-4-13 10323 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  SEINET10904164  Brassica geniculata Donald R. Bissing 1973-6-2 Bissing 152 Los Angeles Evey canyon, san gabriel mtns: at mouth of canyon along fire rd in mixed evergreen forest. 707 Comment
  RSA600512  Brassica rapa L. C. Wheeler 1968-2-4 s.n. Los Angeles Bluebird Ranch (Truck Trail) east of Richard Ferguson's house 457 Comment
  SBBG66135  Brickellia californica R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  RSA164855  Brickellia microphylla Wesley O. Griesel 1962-9-14 739 Los Angeles Hwy 2, Between Islip Saddle and Dawson Saddle 2133 Comment
Read comments
Feb 7 2008
  RSA188310  Brodiaea jolonensis Robert F. Thorne 1966-6-1 36491 Los Angeles Santa Catalina Island: near margin of reservoir at upper end of Cape Canyon. 335 Comment
  UC1595318  Bromus carinatus var. carinatus Tim Ross, Steve Boyd 1990-6-18 3489 Los Angeles northerly to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mountains, Camp Verdugo Pines 1877 Comment
  RSA752481  Bromus catharticus Justin M. Wood 2009-4-22 531 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  UCD58340  Bromus catharticus P. B. Kennedy 1917-6-1 s.n. Los Angeles Gardena to Los Angeles. Comment
  SEINET3922249  Bromus diandrus Louis C. Wheeler 1967-5-29 9763 Los Angeles San GABRIEL MOUNTAINS: San Antonio Canyon, southwest of Spring Hill. Between Dry Lake Canyon and Wildcat Canyon.; 0 884 Comment
  IRVC26186  Bromus grandis A. C. Sanders, Mark A. Elvin 2003-6-18 26960 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  SBBG80111  Bromus hordeaceus E. Z. Rett, P. C. Orr 1945-4-10 Los Angeles San Clemente Island Comment
  SEINET13386963 Image available Bromus hordeaceus R. G. Swinney 2010-1 12444 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 536 Comment
  CAS-BOT-BC155335  Bromus laevipes Naomi Fraga; Paul Morton 2004-5-18 1183 Los Angeles Transverse Ranges. San Gabrile Mountains region. On ridgeline of Mount Hillyer, near summit. 1860 Comment
  CAS-BOT-BC162338  Bromus madritensis Steven A. Junak 1997-4-24 SCI- 873 Los Angeles San Clemente Island. West side of flats just south of Wall Rock Canyon. 198 Comment
  RSA0087327  Bromus rubens R. G. Swinney 2010-3-13 11878 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA127916  Bromus rubens P. H. Raven, H. J. Thompson 1959-5-5 14147 Los Angeles Mulholland Highway, 1 mile W of Las Virgenes Road; Malibu Creek drainage. 305 Comment
  SBBG95278  Bromus rubens M. B. Dunkle 1928-4-29 1917 Los Angeles Little Harbor Comment
  UCD59604  Bromus rubens Al Franklin 1987-7-25 87 -45 Los Angeles SBBM. Saddleback, Butte Campground, northeast corner. 800 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
  CAS-BOT-BC161404  Bromus tectorum L. R. Abrams 1927-4-30 11744 Los Angeles Antelope Valley between Neenach and Fairmont. Comment
  UCR186957  Calandrinia ciliata A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31952 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  UCR190788  Calandrinia ciliata R. G. Swinney 2001-4-17 7873 Los Angeles San Gabriel Mtns., Glendora, Morgan Canyon plateau 402 Comment
  RSA640020  Calandrinia ciliata L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: Ridge east of Ham Canyon. 754 Comment
  RSA0025287  Callistemon viminalis R. E. Riefner Jr. 2010-5-31 10 -41 Los Angeles Harbor City, Bixby Slough, Harbor Regional Park, Harbor Lake, E of Vermont Ave. and N of West Anaheim St. Elevation less than sea level. 0 Comment
  SD90420  Callitriche marginata Robert F. Thorne 1966-4-17 36088 Los Angeles San Clemente Island; muddy margin of small reservoir between Boulder & Horton, northeast side of island. 490 Comment
  PASA518  Calochortus albus J. E. Giguette May , '26 Los Angeles Flintridge Comment
  CAS-BOT-BC487471  Calochortus albus LeRoy Abrams 1902-7-1 2620 Los Angeles Little Santa Anita Canon, San Gabirel Mts. Comment
  SEINET12048484  Calochortus albus R. C. Frampton n d s.n. Los Angeles N of Claremont in foothills of San Gabriel Mts Comment
  POM220018  Calochortus catalinae F. R. Fosberg 1932-5-6 8167 Los Angeles North [of] Avalon, Santa Catalina Island. 50 Comment
  SBBG117032  Calochortus catalinae S. A. Junak 2001-5-4 SCa 1494 Los Angeles E of Parson's Landing 121 Comment
  UC1873073  Calochortus catalinae John Knapp, Denise Knapp 2003-4-13 9 Los Angeles Catalina Island 44 Comment
  UCR65200  Calochortus catalinae F. R. Fosberg 1931-4-2 S- 04456 Los Angeles Channel Islands, Santa Catalina Island, divide between Hamilton and Descanso Canyons 250 Comment
  RSA377327  Calochortus clavatus var. clavatus Jack Rempel 1934-5-6 s.n. Los Angeles Mulholland Drive, Santa Monica Mountains. Comment
  RSA600025  Calochortus clavatus var. gracilis Steve Boyd, Lauren Raz 1997-5-6 9710 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, north of confluence with Bee Canyon and south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA774883  Calochortus clavatus var. gracilis Cliff McLean, Gabi McLane 2005-6-16 s.n. Los Angeles On bank, on south side of Glendora Ridge Road. Mile mark 8.74. GPS calibrated by satalite. 1350 Comment
  UCR192921  Calochortus plummerae Dan S. Cooper 2008-5-23 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park, above south reservoir, along footpath uphill from caretaker's house, Beverly Hills 260 Comment
  UC1584217  Calyptridium monandrum Tim Ross, Steve Boyd 1990-5-17 2586 Los Angeles Mill Creek Tree Plantation, Tujunga District Mill Creek Tree Plantation; San Gabriel Mountains, Angeles National Forest, Mill Creek T 1612 Comment
  CATA954  Calystegia macrostegia Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1819 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  RSA0080977  Calystegia macrostegia R. G. Swinney 2010-4-28 12416 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
  UCR240243  Calystegia macrostegia Dan S. Cooper 2012-9-6 912- 67 Los Angeles Los Angeles Basin, Culver City, Baldwin Hills Scenic Overlook 129 Comment
  SEINET13203236 Image available Calystegia macrostegia subsp. arida R. G. Swinney 2011-1 14155 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5' Q.) (T1N R9W S28) 366 Comment
  LA103309  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 1986-3-19 6924 Los Angeles Santa Monica Mountains, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy 22 Comment
  SBBG120124  Calystegia macrostegia subsp. intermedia A. C. Sanders 2005-5-5 29945 Los Angeles W edge of Cruzan Mesa, N of Bench Mark "Plum"; Santa Clarita area 671 Comment
  RSA660902  Calystegia macrostegia subsp. macrostegia Ann Williams 1992-5-14 2 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  CAS-BOT-BC215915  Calystegia peirsonii Timothy S. Ross; Steve Boyd 1994-5-25 7949 Los Angeles Hanging basin ca 470-830 m W of Warm Springs Mtn. Summit. The collections from ca 600-800 m WSW of summit, Necktie Basin, Liebre Mountains 1075 Comment
  RSA599661  Calystegia peirsonii Steve Boyd, Lauren Raz 1997-5-1 9679 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  UCR20070  Calystegia peirsonii T. P. Krantz 1979-6-20 s.n. Los Angeles San Gabriel Mtns., Bouquet Canyon Road east of the reservoir, just off Angeles Nat. Forest lands, east of jct 6N04 under the power lines Comment
  UCR259597  Calystegia peirsonii R. G. Swinney 2010-6-8 13177 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  UCR98789  Calystegia peirsonii Steve Boyd, Lauren Raz 1997-4-30 9605 Los Angeles Liebre Mountains, About the confluence of Bear Canyon & Pine Canyon, between the southern flank of Liebre Mountain & northern flank of Red Rock Mountain, SW of Gillette Mine 915 Comment
  RSA680549  Camissonia Scott D. White, Michael Honer 2003-6-23 9580 Los Angeles Newhall Area: South Fork, Santa Clarita Riv. between Lyons Ave. and Magic Mountain Parkway. 351 Comment
  RSA593417  Camissonia boothii subsp. decorticans Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8903 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  POM96351  Camissonia boothii subsp. decorticans P. A. Munz 1926-4-4 10004 Los Angeles Bouquet Canyon, 5 miles N of Saugus. Comment
  LA26067  Camissonia californica Mildred E. Mathias; 1957-4-4 3159 Los Angeles 2743 Comment
  RSA615522  Camissonia californica Louis C. Wheeler 1967-5-18 9615 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA587237  Camissonia californica Orlando Mistretta 1994-5-11 1186 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  UCR14585  Camissonia campestris George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns., Calif. Hwy 2, 2 miles SW of Calif. Hwy 138, beside Sheep Creek 1524 Comment
  SEINET4040345  Camissonia campestris O. M. Clark 1929-1 1914 Los Angeles West Lancaster, southern California. Comment
  RSA454713  Camissonia campestris subsp. campestris Robert Gustafson, Gary D. Wallace 1982-4-26 2525 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  UCR209144  Camissonia cheiranthifolia Dan S. Cooper 2009-5-19 509- 35 Los Angeles South Coast, Sand Dune Park, Manhattan Beach 27 Comment
  RSA600032  Camissonia graciliflora Steve Boyd, Lauren Raz 1997-3-25 9252 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  UCR50992  Camissonia graciliflora A. C. Sanders, E. J. Lawlor 1988-4-3 7759 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA75441  Camissonia hirtella F. W. Peirson 1919-5-10 4698 Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains. 915 Comment
  POM96025B  Camissonia ignota P. A. Munz 1926-4-4 10018 B Los Angeles 2 miles north of Saugus. Comment
  POM3232  Camissonia intermedia D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Topanga Canyon, Santa Monica Mountains Comment
  RSA0069428  Camissonia micrantha R. G. Swinney 2010-3-11 11871 Los Angeles San Gabriel Mountains/Verdugo Mountains: flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  UCR219908  Camissonia micrantha R. G. Swinney, Jane Strong 2009-4-21 10414 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  RSA748409  Camissonia pallida Justin M. Wood 2009-6-1 783 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  SEINET7040193  Camissonia palmeri A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  POM19044  Camissonia robusta P. A. Munz 1923-4-10 6743 Los Angeles San Clemente Island. Canyon south of Lemon Tank west coast. Comment
  UCR282669  Camissonia strigulosa Dan S. Cooper 2017-4-13 417- 25 Los Angeles Cornell Road south of Agoura Rd., just east of Medea Creek 253 Comment
  POM3234  Camissonia strigulosa D. L. Crawford 1915-6-6 s.n. Los Angeles Claremont. Comment
  RSA0108840  Camissoniopsis R. G. Swinney 2010-6-1 13155 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
  JEPS33751  Camissoniopsis bistorta I. W. Clokey and E. G. Anderson 1931-3-11 5332 Los Angeles San Gabriel Canyon 900 Comment
  SD82804  Camissoniopsis bistorta R. S. Woglum 1930-5-17 Los Angeles Pasadena Comment
  CAS-BOT-BC160434  Camissoniopsis cheiranthifolia subsp. suffruticosa I. Johnston 1907-6-10 1334 Los Angeles Playa del Rey Comment
  SDSU3368  Camissoniopsis hirtella H. Wedberg 1958-6-28 308 Los Angeles On New Topanga Highway, 2.9 miles east of junction with Old Topanga road. Comment
  SFV20994  Camissoniopsis ignota L. Gross 2003-5-4 825 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Short distance up Brand Canyon, just past a concrete channel. Along a trail built to climb to the main crest on steep, west side of canyon. 427 Comment
  SBBG78752  Camissoniopsis micrantha F. R. Fosberg 1931-3-20 4315 Los Angeles mouth of Hamilton Cyn 2 Comment
  SFV14550  Cannabis sativa V. E. Rudd Nov 1983 3669 Los Angeles San Fernando Valley Los Angeles, Reseda. 225 Comment
  RSA584016  Capsella bursa-pastoris Timothy S. Ross, S. D. Boyd 1991-4-25 4616 Los Angeles San Gabriel Mountains: mouth of Graveyard Canyon (which joins lower E Fork of San Gabriel River at 1540 ft. elev.). 482 Comment
  UCSB2289  Cardamine californica Ballard 1954-4-20 Los Angeles Little Dalton Canyon, Glendora 350 Comment
  RSA498155  Cardamine californica var. californica Fordyce Grinnell Jr. 1910-3-19 1912 Los Angeles Arroyo Seco Canyon San Gabriel Mts. 609 Comment
  CAS-BOT-BC384773  Cardionema ramosissimum LeRoy Abrams 1902-6-11 2517 Los Angeles Playa del Rey Comment
  UCR260375  Carduus pycnocephalus R. G. Swinney 2010-4-23 12371 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR203248  Carex R. G. Swinney 2001-8-27 8117 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
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Sep 12 2018
  SEINET3897001  Carex alma Timothy S. Ross, Steve Boyd 1994-5-10 7735 Los Angeles Warm Springs Canyon. At the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250m WNW from the canyon's effluence into elizabeth Lake Canyon. Warm Springs Mountain 7.5' USGS Quadrangle.; 0 668 Comment
  UCR270913  Carex alma R. G. Swinney 2011-5-26 14875 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
  RSA509590  Carex alma L. C. Wheeler 1966-9-21 8912 Los Angeles San Gabriel Mountains. Vicinity of Lily Spring, northwest slope of Mt. Hawkins. 2468 Comment
  RSA0127208  Carex aurea Louis C. Wheeler 1967-7-15 10020 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  CAS-BOT-BC21311  Carex fracta F. R. Fosberg; J. Ewan 1931-8-12 5016 Los Angeles San Gabrel Mountains. Windy Camp Spring, Mount Islip. 2286 Comment
  RSA720606  Carex fracta R. G. Swinney 1997-7-23 5729 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area 2256 Comment
  UC72396  Carex multicaulis Geo. B. Grant Jun 1902 138 Los Angeles Mt. Wilson Comment
  UC1109364  Carex praegracilis Peter H. Raven 1962-7-11 18005 Los Angeles upper reaches of first canyon s Lemon Tank; San Clemente Island Comment
  RSA0062840  Carex schottii LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6763 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  LA82494  Carex senta O. H. Kappler; 1941-2-9 89 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SFV19314  Carex senta T. Sagar, A. E. Dorsey 2005-2-8 s. n. Los Angeles Santa Monica Mountains Zuma Canyon about 1.5 km north from trailhead at north end of Bansal Drive. 60 Comment
  UCSB46774  Cassia artemisioides Austin Griffiths, Jr. 1960-11-21 3972 Los Angeles collected in Los Angeles Botanical Garden Comment
  RSA126724  Castilleja affinis Peter H. Raven 1959-3-15 13953 Los Angeles Point Dume. 24 Comment
  RSA161093  Castilleja affinis Peter H. Raven 1962-5-20 17795 Los Angeles Santa Catalina Island, Middle Canyon 2.9 miles above the Ranch. 244 Comment
  RSA233614  Castilleja affinis Robert F. Thorne 1970-3-5 39350 Los Angeles NE slope of Blackjack Mt., at pper end of Swain's Canyon 396 Comment
  RSA295242  Castilleja applegatei subsp. martinii George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  RSA708685  Castilleja applegatei subsp. martinii Valerie L. Soza, Miriam Sidibeh 2003-3-26 1606 Los Angeles North side of La Tuna Canyon, eastern end of Verdugo Crestline Drive. 625 Comment
  UC1334719  Castilleja exserta A. H. Gallup 1949-5-21 Los Angeles along mid-sw boundary, along s fence Los Angeles State and County Arboretum, Arcadia; Arcadia, Los Angeles State and County Arboretum Comment
  UC1471566  Castilleja exserta subsp. exserta Geo. B. Grant Apr 1902 885 Los Angeles Lincoln Park, Pasadena; Pasadena Comment
  RSA630380  Castilleja exserta subsp. exserta Louis C. Wheeler 1967-5-15 9606 Los Angeles San Gabriel Mountains; Whitney Canyon. 442 Comment
  CHSC100405  Castilleja foliolosa John Dittes; Josephine Guardino 2008-2-23 1508 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Aliso Cyn; ca. 6.5 air-miles SE of Acton, ca. 2.6 air-miles N of Mill Creek Summit, 1.1 air-mile S x SE of Angeles Forest Highway and Santiago Truck Trail intersection. 1197 Comment
  LA200848  Castilleja foliolosa Norman A. Cole; May 1964 377 .13 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  SD69529  Castilleja foliolosa Robert F. Thorne 1966-4-5 35802 Los Angeles Santa Catalina Island; along paved road on N slope Black Jack Mt. 410 Comment
  SFV13110  Castilleja foliolosa W. M. Perry 1980-5-14 25 Los Angeles San Gabriel Mountains Cattle Canyon. Comment
  UC1409129  Castilleja foliolosa Robert F. Thorne 1970-3-5 39351 Los Angeles ne slope Blackjack Mt. (at upper end of Swain's Canyon); Santa Catalina Island, Swain's Canyon 396 Comment
  UCSB8704  Castilleja foliolosa Wedberg, Lee 1954-4-26 Los Angeles Dam, Pasadena; Devil's Gate 548 Comment
  POM4455  Castilleja miniata subsp. miniata I. M. Johnston 1917-7-28 1527 Los Angeles San Antonio Mountains. N Fork San Antonio Canyon (Old Gold Ridge Mine) 2439 Comment
  UC1375419  Castilleja miniata subsp. miniata Robert F. Thorne 1969-7-29 38891 Los Angeles 1.2 mi se Dawson Saddle (near Lodgepole Picnic area at headwaters of Dorr Canyon, n slope of Throop Peak, above Angeles Crest Hwy); San Gabriel Mts., Angeles National Forest, Throop Peak 2331 Comment
  RSA0041744  Castilleja miniata subsp. miniata Tim S. Ross 1990-8-17 3178 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  UC57004  Castilleja minor subsp. spiralis Ernest Braunton 1902-5-10 271 Los Angeles Rivera Comment
  SEINET3106298  Casuarina equisetifolia D. W. Jamieson 2003-12-27 Los Angeles Lynwood Comment
  JEPS26576  Caulanthus cooperi Peter Kamb 1948-5-6 980 Los Angeles above Little Rock (desert foothills of San Gabriel Mts.); San Gabriel Mts. above Little Rock 975 Comment
  RSA0038369  Caulanthus coulteri L. Haines 1949-4-3 s.n. Los Angeles 1/2 mi. W. of Topanga Summit. Comment
  RSA594974  Caulanthus coulteri var. coulteri Timothy S. Ross 1995-4-26 8382 Los Angeles West end of LIEBRE MOUNTAIN along Forest Service Road 7N23 ca 0.9 road-mile NE of its junction with the Old Ridge Route; ca 4550 ft SSW of Sandberg Triangulation Point (5345 ft). 1341 Comment
  SBBG72135  Caulanthus heterophyllus A. J. McClatchie 1903-3-18 Los Angeles near Pasadena (cf. var. pseudosimulans Buck, nom. illegit.) Comment
  UC169366  Caulanthus heterophyllus Geo. B. Grant Mar 1903 1254 Los Angeles Garvanza Comment
  RSA66752  Caulanthus heterophyllus var. heterophyllus F. W. Peirson 1919-3-17 4186 Los Angeles Hills west of Arroyo Seco, Pasadena 426 Comment
  UCR223086  Caulanthus lasiophyllus R. G. Swinney 2009-5-13 10767 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR280584  Caulanthus lasiophyllus R. G. Swinney 2014-5-13 16483 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
  UC870701  Ceanothus I. W. Clokey, E. G. Anderson 1931-3-11 5340 Los Angeles San Gabriel Canyon 900 Comment
  RSA3546  Ceanothus arboreus Carl B. Wolf 1932-5-9 3490 Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  SBBG13500  Ceanothus arboreus P. H. Raven 1962-5-20 17781 Los Angeles Farnsworth Loop on summit rd 243 Comment
  UCR209892  Ceanothus cordulatus R. G. Swinney 2008-7-24 9269 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  RSA398861  Ceanothus crassifolius L. E. Hoffman 1932-3-8 16303 Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  RSA550409  Ceanothus crassifolius Tim S. Ross, Peter Fritsch 1990-6-20 3591 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  CAS-BOT-BC48869  Ceanothus cuneatus Le Roy Abrams; E. A. McGregor 1908-6-20 410 Los Angeles Liebre Mountains, near Elizabeth Lake Comment
  UC1071136  Ceanothus cuneatus var. cuneatus A. Lewis Jan 1934 238 Los Angeles La Brun Elizabeth Lake quad, Angeles Nat. For. 731 Comment
  UC567228  Ceanothus cuneatus var. cuneatus G. T. Nordstrom 1935-3-20 384 Los Angeles 1 3/4 mi e, mouth of Snowy Creek; Tejon quad. 1036 Comment
  UC1070658  Ceanothus greggii var. vestitus A. Lewis May 1933 206 Los Angeles Bear Canyon 1341 Comment
  UC205367  Ceanothus greggii var. vestitus I. M. Johnston 1917-8-24 1668 Los Angeles upper part of N. Fork Sythe Creek San Antonio Mts. 2057 Comment
  RSA95405  Ceanothus integerrimus var. integerrimus Joseph A. Ewan 1932-5-29 7215 Los Angeles trail in Arrastre Canyon. 1372 Comment
  SD254696  Ceanothus leucodermis R. G. Swinney 2011-7-8 15484 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5'Q) 1427 Comment
  UCR204895  Ceanothus leucodermis R. G. Swinney 2008-4-1 8600 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  UCR223748  Ceanothus leucodermis R. G. Swinney 2009-6-24 11228 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR266383  Ceanothus leucodermis D. E. Bramlet, Allison D. Rudalevige 2009-4-28 4371 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Big Tujunga Canyon Rd., across from nursery 416 Comment
  LA212338  Ceanothus leucodermis Lee Haines; 1935-7-9 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Fern Canyon. Comment
  RSA783289  Ceanothus megacarpus J. D. Olmsted 1959-3-23 303 Los Angeles Foot of San Gabriel Mts: San Antonio wash. Blanchard park on Pomona College campus by corner of Mills and 1st St. 366 Comment
  SEINET13946003 Image available Ceanothus megacarpus Lewis S. Rose 1966-1 66114 Los Angeles Santa Monica Mountains, above Beverly Hills, alt ca 700 ft 213 Comment
  POM155647  Ceanothus megacarpus var. insularis D. Meadows 1928-1-1 313 b Los Angeles Catalina Island. Avalon. Comment
  SFV16785  Ceanothus oliganthus subsp. oliganthus J. D. Dilley 1997-2-8 s. n. Los Angeles Verdugo Mountains La Tuna Canyon Park, about 1.2 miles up trail. Near floor of canyon with stream. 610 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
  RSA398943  Ceanothus spinosus Ora M. Clark 1929-2-3 1496 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  SEINET4689897  Ceanothus thyrsiflorus Leila M. Shultz 1980-4-28 4033 Los Angeles Rancho Santa Ana Botanical Garden, San Gabriel Mountains Comment
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Oct 6 2015
  IRVC14313  Cedrus deodara P. W. Rundel 1964-12-6 1493 Los Angeles Claremont; Pomona College; Marston Quad. Southern Coastal 366 Comment
  UCR246491  Cenchrus longispinus Dan S. Cooper 2011-7-18 711- 84 Los Angeles Terminal Island, adjacent to Least Tern Preserve 3 Comment
  CAS-BOT-BC272111  Centaurea cyanus Rev. J. C. Nevin 1904-1-1 s.n. Los Angeles N. Pomona Comment
  SBBG95251  Centaurea melitensis M. B. Dunkle 1928-4-11 1845 Los Angeles Emerald Bay Comment
  RSA659540  Centaurea melitensis Monica Acosta 1998-5-19 11 Los Angeles The Voorhi Ecological Reserve at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  UCR210252  Centaurium exaltatum R. G. Swinney 2008-9-9 9440 Los Angeles San Gabriel Mtns., Big Rock Wash, 0.3 mi. north of junction of with Pallett Creek Rd. and Valyermo Rd. 1070 Comment
  RSA0088890  Centranthus ruber Steven A. Junak, Mark L. Hoefs, Keri Kirkland, Lisa Stratton 1998-6-11 SCa- 709 Los Angeles Santa Catalina Island. NE side of island, at mouth of small canyon just SE of Frog Rock. 3 Comment
  CAS-BOT-BC288834  Centromadia parryi subsp. australis M. N. Ackley 1930-8-14 s.n. Los Angeles Vacant lot, Eagle Rock City Comment
  RSA725207  Centrostegia thurberi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -56 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
  SD237559  Centrostegia thurberi R. G. Swinney 2008-6-9 8962 Los Angeles San Gabriel Mountains: lower Sandrock Creek, 0.8 mile SSW of Valyermo post office at Valyermo Road (Valyermo 7.5'Q) 1182 Comment
  UC84368  Centrostegia thurberi var. thurberi K. Curran July 1884 Los Angeles Mohave Desert, Lancaster Lancaster; Mohave Desert, Lancaster Comment
  SBBG128552  Cerastium glomeratum M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-15 2270 Los Angeles Cottonwood Cyn 33 Comment
  RSA0015970  Cercocarpus betuloides Steve D. Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11693 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  RSA771596  Cercocarpus betuloides R. G. Swinney 2009-6-2 11003 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR197732  Cercocarpus betuloides Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 38 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  SEINET11914801  Cercocarpus betuloides H. W. Graham 1927-1 9- 9 -26 Los Angeles along trail & road from Mt. Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson, near Los Angeles Comment
  CAS-BOT-BC142175  Cercocarpus betuloides var. betuloides Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon [Canon] - San Gabriel Mts. Comment
  RSA453276  Cercocarpus betuloides var. betuloides Tom Burch 1940-3-10 4021 -11 Los Angeles Castaic. 610 Comment
  UC535340  Cercocarpus betuloides var. betuloides Ira W. Clokey, B. Templeton July 1929 4596 Los Angeles Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 300 Comment
  RSA497908  Cercocarpus betuloides var. betuloides Robert M. Perkins 1915-4-16 s.n. Los Angeles San Gabriel Mountains Comment
  CAS-BOT-BC137249  Cercocarpus betuloides var. blancheae Reid Moran 1941-2-28 649 Los Angeles Johnson's Canyon, Santa Catalina Island Comment
  RSA449412  Cercocarpus betuloides var. blancheae M. B. Dunkle 1929-3-23 2076 Los Angeles Salta Verde Ridge, Santa Catalina Island. Comment
  UCR124715  Cercocarpus ledifolius B. C. Templeton 1933-6-16 5131 Los Angeles San Gabriel Mtns., East Blue Ridge, Big Pines Park, Angeles National Forest 2195 Comment
  CHSC100187  Chaenactis artemisiifolia John Dittes 2006-6-4 1394 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air miles northwest of Chatsworth High School, ca. 1.1 air mile west of Topanga Blvd. ca. 0.7 air miles east x northeast of Santa Susana Pass. 403 Comment
  LA94408  Chaenactis artemisiifolia Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA549169  Chaenactis artemisiifolia Timothy S. Ross, Peter Fritsch 1990-6-20 3650 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon. 1329 Comment
  RSA656223  Chaenactis glabriuscula Joseph M. Keefe 1978-5-11 22912 Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  SEINET10907485  Chaenactis glabriuscula David B. Dunn 1941-3-30 Dunn 993 Los Angeles Sparse grassy land 3 miles east of Banning. 2 miles west of Redlands by the railroad tracks. Comment
  CAS-BOT-BC277343  Chaenactis glabriuscula var. glabriuscula S. B. Parish 1914-5-27 9283 Los Angeles Near Summit Tejon Pass Comment
  POM215741  Chaenactis glabriuscula var. glabriuscula L. C. Wheeler 1933-7-4 1901 Los Angeles San Dimas Canyon, San Gabriel Mts 640 Comment
  RSA0091737  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-5-12 14678 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA0115777  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-3-29 14252 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
  UC1870316  Chaenactis glabriuscula var. glabriuscula LeRoy Gross 2005-4-28 2174 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into Comment
  RSA93798  Chaenactis glabriuscula var. lanosa F. W. Peirson 1920-5-30 2121 Los Angeles Little Tujunga Wash 335 Comment
  RSA679901  Chaenactis santolinoides LeRoy Gross, Michael Denslow 2003-6-4 973 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  UCR260091  Chaenactis stevioides Mitch Provance, Callen Huff 2009-4-29 10702 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile NE of Gorman; site PO1087 1390 Comment
  RSA799682  Chaenactis xantiana Pam De Vries 2013-4-3 7838 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1054 Comment
  UCR149968  Chaenactis xantiana Scott D. White 2004-5-5 10301 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  CHSC85566  Chamaesyce melanadenia John Dittes 2003-12-23 853 Los Angeles Western Transverse Range; north slope of Verdugo Mts. In La Tuna Cyn.; ca. 3.4 air-miles north of Burbank City Hall, ca. 1.1 air-mile east by southeast of La Tuna Canyon Flood Debris Basin, ca. 2.0 air-mile south of Verdugo Hills High School; slope south of La Tuna Cyn. Road. 487 Comment
  RSA498647  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1936-5-29 4106 Los Angeles San Gabriel Mountains: Tan Bark Flat, San Dimas Canyon 853 Comment
  RSA611074  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: Harbor Blvd. at 4th Street. 3 Comment
  RSA612223  Cheilanthes covillei L. C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  RSA613608  Cheilanthes covillei L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  RSA0116570  Chenopodium R. G. Swinney 2010-9-30 13931 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
  UCR189868  Chenopodium R. G. Swinney 1998-7-21 6485 Los Angeles San Gabriel Mtns., 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
  RSA597575  Chenopodium album L. C. Wheeler 1970-5-22 s.n. Los Angeles Los Angeles. Vignes St. between Ramirez and Macy. Comment
  RSA601616  Chenopodium album L. C. Wheeler 1967-5-13 9492 Los Angeles On mesa between Little Dalton and Englewild canyons, in vicinity of abandoned lemon grove. 381 Comment
  SBBG95451  Chenopodium berlandieri M. B. Dunkle 1928-10-19 2005 Los Angeles Middle Ranch Cyn Comment
  UC519965  Chenopodium berlandieri Louis C. Wheeler 1932-10-7 1421 Los Angeles U.C.L.A. Campus W Los Angeles 137 Comment
  PASA2691  Chenopodium californicum Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA717373  Chenopodium californicum Scott D. White, Pam De Vries 2006-5-9 11389 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SBBG98472  Chenopodium californicum T. Ross 1991-5-23 5496 Los Angeles lower Tota Cyn, E escarpment 82 Comment
  UC1871186  Chenopodium californicum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4821 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
  UCD98134  Chenopodium californicum A. C. Sanders 2005-5-11 30152 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Cyns. 610 Comment
  LA50751  Chenopodium californicum Arthur C. Gibson; 1932-2-27 3841 Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  SFV7066  Chenopodium macrospermum T. Gordon, M. H. Grayum, D. R. Perry, K. Felt 1974-11-3 766 Los Angeles Santa Monica Mountains Malibu Creek, about 0.5 miles from ocean. Comment
  RSA674748  Chenopodium murale Scott D. White, B. Leatherman 2001-7-25 8723 Los Angeles San Gabriel Mts: Hawthorne Youth Camp. About 6 miles W of Wrightwood, just N of Big Pines Hwy, near Jackson Lake. 1860 Comment
  UCR252771  Chenopodium murale R. G. Swinney 2010-3-10 11790 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  POM19132  Chenopodium murale P. A. Munz 1923-4-8 6623 Los Angeles San Clemente Island: west coast. 122 Comment
  CDA1891  Chloris virgata T. C. Fuller 1958-8-6 5120 Los Angeles West of 90th Street East, 1/4 mile south of Avenue I, 9 miles east of Lancaster. 0 Comment
  RSA369223  Chlorogalum pomeridianum Louis C. Wheeler 1934-5-14 2583 -B Los Angeles 1 mile NE Puddingstone Dam, San Jose Hills. 351 Comment
  CDA43469  Chondrilla juncea John L. Thompson 2015-6-25 PDR# MVAP 06369510 Los Angeles Along Decanso Motorway (a fire road) in Cherry Canyon Park, La Canada Flintridge, near Glendale. 0 Comment
  RSA607348  Chorizanthe R. S. Woglum 1934-6-15 1297 Los Angeles South Coast: Altadena. Comment
  NY468299  Chorizanthe parryi A. M. Ottley 1920-5-12 676 Los Angeles San Gabriel Wash 182.9 Comment
  CAS-BOT-BC252769  Chorizanthe parryi var. fernandina C. G. Pringle 1882-5-23 s.n. Los Angeles San Fernando Comment
  IRVC28396  Chorizanthe parryi var. fernandina A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26060 Los Angeles Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  SBBG132190  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-11 2164 Los Angeles 1.2 km SE of Hwy 126, 2.8 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 330 Comment
  UCR245447  Chorizanthe parryi var. fernandina Elizabeth A. Kempton 2006-4-10 254 Los Angeles [Claremont] Rancho Santa Ana Botanic Garden, near seed house, seed likely collected from Laskey Mesa [near LA/Ventura Co. line near Calabasas] 'in Santa Clarita' 407 Comment
  RSA596829  Chorizanthe staticoides Tim S. Ross, J. Mark Porter 1995-5-4 8504 Los Angeles Texas Canyon: ca 2.65 road miles NE of Bouquet Canyon Road. 610 Comment
  RSA621303  Chorizanthe watsonii Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR209479  Chorizanthe watsonii R. G. Swinney 2008-6-17 9026 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR282001  Chorizanthe watsonii R. G. Swinney 2014-5-1 16317 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
  UCSB30867  Chorizanthe watsonii Burgess, Rick 1978-5-20 Los Angeles 106 St. East, 3 miles south of junction with Pearblossom Hwy. 914 Comment
  UC1122175  Chylismia claviformis subsp. claviformis A. D. Gifford 1935-4-12 575 Los Angeles 1 mi w Manzana; Tejon Quadrangle Comment
  UC635283  Chylismia claviformis subsp. claviformis H. L. Mason 1926-4-27 3038 Los Angeles Rock Creek Comment
  SBBG98321  Cirsium brevistylum I. M. Johnston 1919-5-13 1026 Los Angeles El Monte Comment
  RSA0105220  Cirsium occidentale R. G. Swinney 2011-7-8 15471 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak. 1207 Comment
  UC54177  Cirsium occidentale var. californicum Ernest Braunton 1902-6-1 416 Los Angeles Elysian Park Comment
  RSA719025  Cistanthe monandra R. G. Swinney 1998-4-14 5977 Los Angeles 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
  RSA164776  Cistanthe monosperma Wesley O. Griesel 1963-6-27 834 Los Angeles Ridge betw Dawson Saddle & Throop Peak, San Gabriel Mts. 2591 Comment
  UCR220091  Cistus monspeliensis Fred M. Roberts, Ian Cain, Chezzy W. Brungraber 2010-5-3 7295 Los Angeles Los Angeles Basin, Montebello Hills, oil field above Sycamore Canyon and North Montebello Blvd, 0.6 km southeast of Paramount Blvd Bridge over Pomona Fwy 138 Comment
  POM50320  Clarkia bottae L. R. Abrams 1901-6-4 1713 Los Angeles Los Tunas Canyon. Comment
  RSA448248  Clarkia bottae Robert M. Perkins 1936-4-27 180 Los Angeles Muholland drive. Comment
  CHSC34547  Clarkia cylindrica James Henrickson; E. Parker 1973-6-8 10633 Los Angeles Santa Monica Mts., 1 mile NW of Topanga along Monte Vista Dr. in pastures. 243 Comment
  SFV6222  Clarkia cylindrica R. M. Muran 1974-5-11 86 Los Angeles Santa Monica Mountains Across the road from Seminole Hot Springs of the Mulholland Highway. 275 Comment
  CAS-BOT-BC172257  Clarkia cylindrica subsp. cylindrica Timothy S. Ross; Steve Boyd 1993-5-23 7257 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227 ft), ca 700 m SSW of Plum springs (in upper Clearwater Canyon), Green Valley 7.5' USGS quad., Liebre Mountains 908 Comment
  RSA311399  Clarkia cylindrica subsp. cylindrica Cheryl A. Lawson 1971-6-26 394 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  SBBG127072  Clarkia cylindrica subsp. cylindrica A. Parikh, N. Gale 2011-6-17 3480 Los Angeles Aliso Cyn, just W of Angeles Forest Hwy, 0.5 km S of Aliso Cyn Rd; San Gabriel Mtns 1285 Comment
  SD13117  Clarkia deflexa Edith A. Purer 1935-5-11 6584 Los Angeles Hillside, Santa Monica Hills Comment
  CAS-BOT-BC172099  Clarkia dudleyana Louis C. Wheeler 1932-5-8 690 Los Angeles Puddingstone Dam, San Jose Hills 304 Comment
  CAS-BOT-BC172100  Clarkia dudleyana Wesley O. Griesel 1961-6-3 s.n. Los Angeles State Hwy. 2 about 3 mi. above La Canada, San Gabriel Mts. 609 Comment
  RSA602349  Clarkia dudleyana Scott D. White 1997-5-8 5075 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  UC373526  Clarkia dudleyana C. L. Hitchcock 1928-5-11 46 Los Angeles above dam San Dimas Canyon 1000 Comment
  SFV20973  Clarkia epilobioides L. Gross, B. Hogshead, V. Soza 2003-5-29 950 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). 564 Comment
  CAS-BOT-BC163705  Clarkia purpurea subsp. quadrivulnera H. Lewis; M. Lewis 1946-7-14 29 Los Angeles On corner of Sepulveda Blvd. and North Sepulveda Way, Santa Monica Mts. Comment
  LA45554  Clarkia purpurea subsp. quadrivulnera A. M. Johnson; 1932-5-30 4105 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  POM3037  Clarkia purpurea subsp. quadrivulnera D. L. Crawford 1915-6-30 s.n. Los Angeles Mountains above Claremont. 915 Comment
  RSA0112563  Clarkia rhomboidea R. G. Swinney 2011-6-15 15180 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  UC494804  Clarkia rhomboidea T. Craig 1927-6-8 407 Los Angeles Bear Canyon Trail to summit Mt. San Antonio Comment
  SD197834  Clarkia similis Peter L. Morrell, L. D. Gottlieb, Vera Ford 1996-4-10 489 Los Angeles San Gabriel Mountains: San Antonio Canyon, Mount Baldy Road, along edges of trail in Evey Canyon, trail begins beyond curve within 200 meters of entrance, just beyond large rock outcrop. 719 Comment
  POM3155  Clarkia unguiculata H. M. Hall, H. P. Chandler 1906-6-12 7405 Los Angeles Near Saugus. Comment
  RSA244378  Clarkia unguiculata Robin S. Collins 1973-5-15 280 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Cyn. 610 Comment
  RSA653484  Claytonia parviflora subsp. parviflora Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 776 b Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 335 Comment
  RSA600350  Claytonia perfoliata subsp. perfoliata Steve Boyd, Lauren Raz 1997-3-26 9380 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 1311 Comment
  SBBG69761  Claytonia perfoliata subsp. perfoliata M. N. Ackley -May-1923 784 Los Angeles New Verdugo Park, Glendale 304 Comment
  SDSU18814  Claytonia perfoliata var. perfoliata S. H. Bullock 1968-3-23 6 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. 351 Comment
  RSA386284  Clematis lasiantha M. D. Proctor 1944-4-9 828 Los Angeles Santa Anita Canyon Comment
  SBBG107471  Clematis ligusticifolia S. L. Crockett, M. L. Hoefs, S. A. Junak, G. Allan 1996-10-31 554 Los Angeles jct of lower Cave Cyn and Middle Cyn Comment
  UC545785  Clematis ligusticifolia Annetta M. Carter 1935-9-12 980 Los Angeles San Gabriel Mts., Chilao 1615 Comment
  UCD95597  Clematis pauciflora W. Bertsch 1954-4-19 492 Los Angeles Little Dalton Canyon. 365 Comment
  POM187468  Cnicus benedictus L. C. Wheeler 1933-6-24 1880 Los Angeles San Gabriel 107 Comment
  UCR98228  Collinsia bartsiifolia var. davidsonii B. G. Pitzer 1996-4-20 2685 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
  RSA0121222  Collinsia bicolor E. A. Purer, Freda Detmers 1931-3-15 s.n. Los Angeles Palos Verdes Hills. Comment
  JEPS6170  Collinsia callosa Frank W. Peirson 1921-6-15 2443 Los Angeles Chilao San Gabriel Mountains (from Pine Flats to Islip) 1645 Comment
  POM117777  Collinsia callosa Marcus E. Jones 1926-6-7 s.n. Los Angeles South of Lebec. Comment
  RSA579427  Collinsia callosa Tim S. Ross 1994-5-31 7958 Los Angeles Pacifico Mountain: W slope. ca. 315 m WSW of the 7124-foot summit. 2085 Comment
  RSA79815  Collinsia callosa F. W. Peirson 1921-6-15 2443 Los Angeles Chilao, San Gabriel Mountains. 1646 Comment
  UC26592  Collinsia callosa J. Burtt Davy May 9 1896-May 24 1896 2503 Los Angeles near Manzana (Richardson's); Antelope Valley Comment
  POM230698  Collinsia heterophylla I. W. Clokey 1935-5-9 6872 Los Angeles San Dimas Canyon Comment
  JEPS4826  Collinsia heterophylla Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4198 Los Angeles 3.2 mi e of start Forest Service Rd leading to Mt. Gleason (below summit of Mendenhall Ridge; between Little Tujunga Canyon and Pacoima Canyon); Angeles National Forest 1127 Comment
  UCR273399  Collinsia heterophylla var. austromontana R. G. Swinney 2011-4-26 14494 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  LA211131  Collinsia parryi Tarja Sagar; 2009-4-14 0 s.n. Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Gillette Ranch (Soka University). Comment
  RSA0117353  Collinsia parryi Louis C. Wheeler 1963-5-5 8248 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. 549 Comment
  POM3582  Convolvulus arvensis P. A. Munz 1918-5-19 2272 Los Angeles Hills south of Pomona. Comment
  PASA890  Convolvulus occidentalis Mary Hall 1939-4-28 Los Angeles Claremont Comment
  POM355842  Conyza canadensis Christina Clark 1928-12-25 s.n. Los Angeles Waste ground and fields Topango Canyon Comment
  UCR217405  Conyza coulteri David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW corner of area 698 Comment
  UCR190520  Cordylanthus rigidus R. G. Swinney 2000-6-19 7818 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  SBBG54523  Cordylanthus rigidus subsp. setiger F. W. Pennell, P. A. Munz 1940-8-24 26468 Los Angeles Pomona College, Claremont 365 Comment
  UC566773  Coreopsis bigelovii Herbert L. Mason 1926-4-27 3046 Los Angeles between Rock Creek and Little Rock Creek (on Big Pines Recreation Camp road) Comment
  UC306179  Coreopsis gigantea George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 680 -2228 Los Angeles Santa Catalina Island Comment
  JEPS41859  Corethrogyne filaginifolia Frank W. Peirson 1918-10-16 270 Los Angeles Pacoima Canyon; San Gabriel Mts. 548 Comment
  POM356117  Corethrogyne filaginifolia L. E. Hoffman 1933-7-17 s.n. Los Angeles Hermosa Beach Comment
  SBBG60553  Corethrogyne filaginifolia R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  UCR260361  Corethrogyne filaginifolia R. G. Swinney 2010-4-30 12447 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  CAS-BOT-BC32931  Corethrogyne filaginifolia var. filaginifolia Frank Warrington Peirson 1923-10-7 4159 Los Angeles San Gabriel Mts. Newhall, Railroad Station Comment
  SEINET10615503  Corethrogyne filaginifolia var. filaginifolia David B. Dunn 1941-2-23 Dunn 693 Los Angeles Two blocks north of Santa Monica Blvd. on Westwood Blvd. Comment
  RSA594852  Corethrogyne filaginifolia var. peirsonii Steve Boyd, Lauren Raz 1996-10-8 8981 Los Angeles Liebre Mountains region, Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  POM18184  Cornus sericea subsp. sericea P. A. Munz 1923-8-31 7695 Los Angeles Mescal Creek, San AntonioMountains, bed of small side canyon 1889 Comment
  UCR170452  Cotoneaster pannosus Alex R. Van Dam 2004-5-16 010 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park near the main parking lot on a slightly graded N-facing slope 280 Comment
  CAS-BOT-BC287261  Cotula australis Peter H. Raven 1962-4-1 17459 Los Angeles Rancho Santa Ana Botanic Garden 335 Comment
  CAS-BOT-BC291373  Cotula coronopifolia I. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez Comment
  SBBG131921  Crassula aquatica S. A. Junak 2000-6-29 SCa 1350 Los Angeles N end of Haypress Reservoir 399 Comment
  RSA611653  Crassula connata Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10083 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  SBBG37893  Crassula connata M. B. Dunkle 1939-4-6 7323 Los Angeles Mosquito Ridge Comment
  UC1928625  Crassula connata Steve Boyd 2003-1-17 10440 Los Angeles Los Angeles Basin region; Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. Comment
  RSA0041777  Crassula connata Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2812 Los Angeles Santa Catalina Island: Hillside of upper Cape Canyon. 451 Comment
  RSA590343  Crassula connata var. erectoides Tim Ross 1993-4-21 6858 Los Angeles Santa Catalina Island, SW part of the Island in the vicinity of Cactus Peak (1560ft), slope and small ridges N of Cactus Peak summit 427 Comment
  RSA423448  Crassula connata var. erectoides M. B. Dunkle 5259 Los Angeles Palos Verdes Hills; rolling hills Comment
  RSA595532  Crassula connata var. erectoides L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mountains. Placerita Canyon 457 Comment
  RSA624462  Crassula tillaea L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco between El Prieto and Fern Canyon. 373 Comment
  RSA746558  Crepis nana Orlando Mistretta 1991-7-30 s.n Los Angeles Devils Backbone along trail to Mt Baldy 2744 Comment
  CATA1530  Crepis setosa Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2751 Los Angeles Santa Catalina Island: By Avalon School science building, Falls Canyon 27 Comment
  SD72752  Crocanthemum scoparium var. vulgare F. R. Fosberg 1931-7-14 S 5399 Los Angeles Hay Press, Santa Catalina Island. 299 Comment
  UC1281095  Crossosoma californicum H. E. McMinn 1924-7-1 1309 Los Angeles Catalina Is. Comment
  IRVC29262  Croton californicus A. C. Sanders 2003-5-26 26855 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel San Gabriel Valley 171 Comment
  UC73443  Croton californicus E. D. Palmer May 1903 Los Angeles Claremont Comment
  SBBG13257  Croton setiger M. A. Piehl 1962-6-10 62388 Los Angeles cyn E of Thirst 304 Comment
  UCR274358  Crypsis schoenoides Steven A. Junak 1999-9-11 SCa- 1098 Los Angeles California Islands, Santa Catalina Island. West side of upper Buffalo Springs reservoir 433 Comment
  UC598585  Cryptantha affinis John Bright 1936-4-15 12727 Los Angeles Mt. Malibu Santa Monica Mts. Comment
  RSA250599  Cryptantha barbigera R. F. Thorne, J. P. Simon, D. J. McGillivray 1970-4-17 39583 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1432 Comment
  UC882419  Cryptantha circumscissa Geo. B. Grant 1906-6-15 Los Angeles Summit of Mt. Wilson 1828 Comment
  POM368366  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-4-16 4651 Los Angeles Bulrush Ridge, Santa Catalina Island. 200 Comment
  RSA756624  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2008-4-17 2484 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  RSA716910  Cryptantha echinella LeRoy Gross, Bruce Campbell 2006-6-29 2549 Los Angeles Forest Service Road Surveys: Blue Ridge Road (3N06), and Road (3N39). From top of Paririe Fork, east of Lupine Campground walk back to Angeles Crest Highway (2). Comment
  RSA306177  Cryptantha intermedia Fay A. MacFadden 1931-3-14 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  SD217244  Cryptantha intermedia Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4363 Los Angeles San Clemente Island; east side of island, near Malo Point, third canyon south of Bryce Canyon. Comment
  POM9236  Cryptantha intermedia P. A. Munz 1920-3-17 3365 Los Angeles Lone Hill, glendora. 335 Comment
  RSA534063  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5263 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. 384 Comment
  RSA661169  Cryptantha intermedia LeRoy Gross 2001-5-27 423 Los Angeles Verdugo Mountains, northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek Comment
  SEINET12280823  Cryptantha intermedia H. W. Graham 1927-1 9- 9 -6 Los Angeles Mt Lowe, to observatory on Mt Wilson near Los Angeles Comment
  POM3963  Cryptantha microstachys I. M. Johnston 1918-6-2 2019 Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  UCR165247  Cryptantha microstachys A. C. Sanders, Helen Kennedy 2005-4-13 29476 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
  UCR271550  Cryptantha microstachys R. G. Swinney 2011-5-19 14763 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  SD186138  Cryptantha muricata A. C. Sanders, Helen Kennedy 2005-4-13 29411 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  SEINET4044559  Cryptantha muricata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  UCR108379  Cryptantha muricata L. C. Wheeler 1967-5-18 9616 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR191741  Cryptantha muricata A. C. Sanders 2008-4-23 35094 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  RSA0013634  Cryptantha muricata var. denticulata Orlando Mistretta, Jamie Reese 2011-7-28 6010 Los Angeles Along Rincon Red Box Road, on the divide between W Fork San Gabriel River Cyn and E fork Santa Anita Cyn, 0.75 air miles NW of Monrovia Peak. 1451 Comment
  RSA0097179  Cryptantha muricata var. denticulata R. G. Swinney 2011-6-1 14977 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA0079260  Cryptantha muricata var. jonesii R. F. Thorne 1971-6-26 40616 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 426 Comment
  RSA0079462  Cryptantha muricata var. jonesii T. S. Ross, Peter Fritsch 1990-6-20 3686 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon. 1329 Comment
  RSA0079363  Cryptantha muricata var. muricata Timothy S. Ross, Steve Boyd 1994-5-4 7644 Los Angeles Liebre Mountains, San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit. 1055 Comment
  RSA596911  Cryptantha muricata var. muricata T. S. Ross, J. Mark Porter 1995-5-4 8521 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA0079570  Cryptantha muricata var. muricata F. R. Fosberg 1931-11-7 832 Los Angeles Western Sierra Madre Mts. Ridge Route near Tumble Inn. 1100 Comment
  UCR119432  Cryptantha nevadensis var. rigida A. C. Sanders, D. Malueg 1998-6-22 22046 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCR186944  Cryptantha nevadensis var. rigida A. C. Sanders 2006-4-10 31996 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
  UCR99357  Cryptantha nevadensis var. rigida Steve Boyd, Lauren Raz 1997-4-16 9527 Los Angeles San Gabriel Mtns., NW end of range, Peace Valley due south of the junction of Interstate 5 and Hwy 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service Road 8N01. 960 Comment
  SBBG63941  Cryptantha pterocarya var. pterocarya R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  UCR280904  Cryptantha similis R. G. Swinney 2014-4-23 16158 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
  RSA608360  Cryptantha simulans L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: South side Devil's Canyon. 1402 Comment
  RSA763747  Cryptantha simulans Orlando Mistretta, Christine Mistretta 2008-5-20 3139 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  UCR149955  Cupressus arizonica subsp. arizonica Scott D. White 2004-5-10 10358 Los Angeles Liebre Mtns, N slope below Bald Mountain 1280 Comment
  UCR51491  Cupressus macrocarpa A. C. Sanders 1987-12-4 7446 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA5970332  Cuscuta T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3846 Los Angeles San Gabriel Mountains: Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip] 1884 Comment
  RSA751110  Cuscuta californica Justin M. Wood 2009-6-5 829 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA781297  Cuscuta californica R. G. Swinney 2009-7-22 11368 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA303601  Cuscuta californica J. R. Shevock 1970-5-8 193 Los Angeles Mendenhall Ridge 457 Comment
  RSA190914  Cuscuta californica var. breviflora R. F. Thorne 1967-5-19 36881 Los Angeles Santa Catalina Island. Echo Lake branch of upper Swain's Canyon. 366 Comment
  RSA628304  Cuscuta californica var. californica L. C. Wheeler 1973-11-20 s.n. Los Angeles San Gabriel Mountains: Chaney Trail ca. 1/2 way up. Comment
  UCR182894  Cuscuta indecora var. neuropetala T. C. Fuller 1958-8-5 3970 Los Angeles Western Mojave Desert; Antelope Valley, north side Avenue K, east of 30th St. [East], Lancaster 739 Comment
  SEINET891439  Cuscuta subinclusa Lewis S. Rose 1946-1 46245 Los Angeles Santa Monica Mountains, Mulholland Drive above Hollywood. Comment
  UCR271129  Cuscuta subinclusa R. G. Swinney 2011-10-10 15757 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
  RSA737838  Cyclospermum leptophyllum LeRoy Gross, Pamela Conway 2008-7-26 3493 Los Angeles Along road side of Esperanza Drive, in La Verne. West of Live Oak Reservoir. 427 Comment
  RSA602482  Cylindropuntia californica var. parkeri L. C. Wheeler 1968-9-16 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs Canyon. Comment
  RSA604542  Cylindropuntia californica var. parkeri L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Vogel Flat, Big Tujunga Canyon. 556 Comment
  UCR261629  Cylindropuntia californica var. parkeri R. G. Swinney 2010-4-1 12170 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash 331 Comment
  CATA1129  Cynodon dactylon Mark L. Hoefs 1995-5-23 2097 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  RSA0112848  Cyperus Steven A. Junak 1999-5-8 SCa- 911 Los Angeles Santa Catalina Island. Lower part of Fern Canyon, just 0.3 mi upstream from junction with Cottonwood Canyon. 122 Comment
  SEINET7581650 Image available Cyperus eragrostis Louis C. Wheeler 1966-10-25 9081 Los Angeles San Gabriel Mountains, vicinity of E Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA365115  Cyperus erythrorhizos H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  UCR172291  Cyperus esculentus Anuja Parikh, Nathan Gale 2005-7-11 2137 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  UCD141146  Cyperus rotundus Louis C. Wheeler 1932-7-16 959 Los Angeles Pomona: 3 miles north of Garey Avenue. 304 Comment
  UCR150858  Cystopteris fragilis R. G. Swinney 1999-8-16 7666 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR190046  Cystopteris fragilis R. G. Swinney 1998-10-3 6996 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, tributary from N side of San Antonio Ridge 1939 Comment
  RSA678213  Cytisus canariensis Valerie L. Soza, LeRoy Gross 2001-4-18 1139 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons, southern end of FS Road 2N40 (San Olene Station). 976 Comment
  RSA756571  Cytisus scoparius Orlando Mistretta, Christine Mistretta 2008-4-29 2553 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  UC1870321  Cytisus striatus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1073 Los Angeles [Transverse Ranges; Verdugo Mountains region]; North side of mountains: North of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit. 457 Comment
  CATA1492  Dactylis glomerata Mark L. Hoefs, Steven A. Junak 1996-5-1 2698 Los Angeles Santa Catalina Island: By summit reservior 408 Comment
  UCR148042  Datisca glomerata Steve Boyd, Amber Maurice 2004-5-18 11342 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR108448  Datura stramonium L. C. Wheeler 1946-9-16 6370 C Los Angeles Garvey: Walnut Grove Avenue and Rush Street 75 Comment
  RSA595525  Datura stramonium Louis C. Wheeler 1969-5-13 s.n. Los Angeles Rio Hondo ca. 1/4 mi. north of San Gabriel Blvd. Comment
  POM6338  Datura wrightii Martha Allen 1899-5-22 s.n. Los Angeles Claremont. 366 Comment
  POM4182  Datura wrightii D. L. Crawford 1915-07 s.n. Los Angeles Claremont. Comment
  SBBG120059  Daucus pusillus A. C. Sanders 2003-5-22 26819 Los Angeles abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of Interstate 210, N of Santa Fe Railroad, E of San Gabriel River channel 171 Comment
  UCR143128  Daucus pusillus M. B. Dunkle 1939-4-6 7300 Los Angeles Channel Islands, Mosquito Harbor, San Clemente Island 305 Comment
  RSA659759  Daucus pusillus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 79 Los Angeles San Clemente Island. Comment
  JEPS26183  Deinandra fasciculata Peter H. Raven and Henry J. Thompson 1959-9-18 14451 Los Angeles University of California Santa Monica Mountains, West Los Angeles, University of Cali 152 Comment
  RSA719492  Deinandra fasciculata Gary Kovnat, LeRoy Gross 2003-6-28 44 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  UCSB22167  Deinandra fasciculata Tanowitz, Barry 1974-8-24 Los Angeles Along Hwy. 1 (Pacific Coast Hwy.) and Zumirez Rd., Malibu Comment
  UCD131072  Deinandra kelloggii Jane Turner; Francis M. Ball 1962-6-2 962 Los Angeles near Pearblossom. 914 Comment
  CAS-BOT-BC131016  Deinandra minthornii David D. Keck 1932-10-14 1953 Los Angeles N. of Chatsworth city limits, on first hill to west of Topango Canyon Blvd., Santa Susana foothills Comment
  RSA394508  Delphinium cardinale Fay A. MacFadden 1931-6-24 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  CAS-BOT-BC9099  Delphinium cardinale LeRoy Abrams 1901-7-1 1875 Los Angeles Short Cut Canon, San Gabriel Mountains Comment
  POM156523  Delphinium cardinale L. R. Abrams 1902-7-3 2647 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA191175  Delphinium cardinale Robert F. Thorne, M. Z. Thorne 1967-7-19 37125 Los Angeles San Gabriel Mountains, Angeles National Forest; 0.5 mile above Coldbrook Station 1098 Comment
  SEINET12099512  Delphinium cardinale I. W. Clokey, Templeton, B. 1929-1 4601 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  UC1126042  Delphinium gracilentum A. D. Gifford 1935-5-8 688 Los Angeles 4 3/4 mi ene Warm Springs; Angeles National Forest, Tejon Quadrangle Comment
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May 31 2007
  SD262363  Delphinium parishii R. G. Swinney 2014-4-17 16068 Los Angeles San Gabriel Mountains: SW of Littlerock, 0.5 -0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy. 901 Comment
  UCR141068  Delphinium parishii subsp. parishii June Latting 1973-4-29 s.n. Los Angeles Mojave Desert, near Three Sisters hills along Black Butte Road, Antelope Valley, NE of Llano 976 Comment
  JEPS79884  Delphinium parryi subsp. parryi C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4751 Los Angeles Bouquet Canyon 800 Comment
  RSA0029538  Delphinium parryi subsp. parryi Henry J. Ramsey, Henry J. Ramsey 1938-5-22 1380 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA398733  Delphinium parryi subsp. parryi I. W. Clokey 1930-5-13 s.n. Los Angeles Bouquet Canyon. Comment
  POM306226  Delphinium parryi subsp. parryi Henry J. Ramsey, Henry J. Ramsey 1937-3-21 s.n. Los Angeles Altadena. Comment
  LA45871  Dendromecon rigida Doris L. Dow; 1940-5-1 34 Los Angeles Elizabeth Lake C Comment
  CAS-BOT-BC43168  Descurainia pinnata subsp. brachycarpa Carl B. Wolf 1928-3-29 1588 Los Angeles South base of ridge route, 1 mile north of Castaic. 396 Comment
  UC1234805  Desmazeria rigida Peter H. Raven 1962-5-22 17826 Los Angeles Santa Catalina Island, near mouth of Cherry Canyon Cherry Canyon; Santa Catalina Island, Cherry Canyon 60 Comment
  JEPS9741  Dicentra ochroleuca I. W. Clokey and B. C. Templeton 1930-4-2 4615 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  UCSB17662  Dichelostemma capitatum Hurst, Linda 1963-5-3 Los Angeles Mint Canyon Campground on U.S. hwy 6, 7.7 miles north of Solemint 503 Comment
  RSA376852  Dichelostemma capitatum subsp. capitatum Anstruther Davidson 1890-1-1 s.n. Los Angeles East Los Angeles Comment
  RSA658358  Dichelostemma capitatum subsp. capitatum Naomi Zohman 1985-4-28 21 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA599351  Dichelostemma capitatum subsp. capitatum L. C. Wheeler 1968-3-17 s.n. Los Angeles San Gabriel Mountains: Morgan Canyon at Ferguson Motorway. 457 Comment
  RSA0019268  Dimorphotheca ecklonis Scott D. White 1997-3-12 4738 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  CAS-BOT-BC152902  Diplacus brevipes E. I. Applegate 1893-4-30 s.n. Los Angeles Ontario Comment
  CHSC95485  Diplacus longiflorus LeRoy Gross 2001-5-28 417 Los Angeles Los Angeles Basin region: Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. A small side canyon on the south side near the mouth of Henderson Canyon. 476 Comment
  SBBG98605  Diplacus longiflorus T. and A. Ross 1991-3-7 4158 Los Angeles Elephant Hill; SW base of hill 251 Comment
  CAS-BOT-BC195616  Distichlis spicata Carl B. Wolf 1932-5-12 3590 Los Angeles Santa Catalina Island. Little Harbor 3 Comment
  RSA599855  Distichlis spicata Steve Boyd, Lauren Raz 1997-5-6 9771 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  SBBG95217  Distichlis spicata M. B. Dunkle 1928-4-29 1909 Los Angeles near lagoon, Little Harbor Comment
  RSA461496  Dodecatheon clevelandii L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA79214  Dodecatheon clevelandii subsp. clevelandii G. R. Campbell 1952-3-23 18512 Los Angeles canyon north of Webb School; east of Live Oak Canyon. 427 Comment
  UCR70848  Dodecatheon redolens I. M. Johnston 1919-7-6 2100 Los Angeles San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 2134 Comment
  UC205855  Draba corrugata I. M. Johnston 1917-7-4 1416 Los Angeles summit Baldy (Southern California); San Antonio Mountains, summit of Baldy 3048 Comment
  CAS-BOT-BC159708  Drymocallis cuneifolia var. ewanii Wesley Griesel 1963-7-27 729 Los Angeles Lodgepole Picnic Area, State Hwy #2, San Gabriel Mts. 2286 Comment
  POM591  Drymocallis glandulosa var. wrangelliana D. L. Crawford 1915-6-30 s.n. Los Angeles Mountains above Claremont 2134 Comment
  RSA693695  Dryopteris arguta L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  UCR137600  Dryopteris arguta R. G. Swinney 1989-11-24 1480 Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon, mouth of 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  RSA0065456  Dudleya abramsii Peter Gail 1961-05 s.n. Los Angeles Glendora Mountain Road, N. of Glendora. Comment
  HSC6465  Dudleya caespitosa David Porter 1965-5-16 Los Angeles 1 mi. off Mulholland Hwy. on Canyon Rd. 305 Comment
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May 12 2016
  UC2059996  Dudleya cymosa K. Nakai, D. Verity, J. Ross 1981-5-21 764 Los Angeles Santa Monica Mountains, ca. 0.6 mi SE of junction of Decker Road and Carlise Road. Comment
  UCR24175  Dudleya cymosa subsp. minor John C. Roos 1942-5-23 1062 Los Angeles San Gabriel Mtns., Near Chantry Flats 671 Comment
  RSA609263  Dudleya cymosa subsp. pumila L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1249 Comment
  RSA83395  Dudleya densiflora F. W. Peirson 1919-7-1 517 Los Angeles Fish Canyon 274 Comment
  RSA598224  Dudleya hassei James C. Dice, M. Donoghue 1983-5-20 346 Los Angeles Santa Catalina Island. NE facing slope above Pebbly Beach Dr. between Avalon Bay and Abalone Point. 23 Comment
  POM293567  Dudleya lanceolata Lyman Benson 1954-6-27 15302 Los Angeles Little Dalton Canyon, above Glendora. 426 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
  UCR194008  Dudleya lanceolata R. G. Swinney 1998-8-17 6768 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  UCR259251  Dudleya lanceolata R. G. Swinney 2010-6-4 12994 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
  RSA641642  Dudleya lanceolata L. C. Wheeler 1967-7-6 9936 Los Angeles San Gabriel Mountains: San Gabriel Canyon 274 Comment
  UC1015293  Dudleya lanceolata Reid Moran 1951-4-29 3478 Los Angeles 2.5 mi below and s Rincon Guard Station; San Gabriel Canyon Comment
  UCR264874  Dudleya virens subsp. insularis Reid Moran 1972-5-27 19143 Los Angeles South Coast, just east of Pt. Vicente 5 Comment
  CHSC3716  Dysphania multifida Sue Boergadine 1966-5-10 Los Angeles San Rafael Hills. 213 Comment
  RSA778912  Dysphania pumilio R. G. Swinney 2009-6-27 11284 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  RSA608870  Echinochloa crus-galli L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  RSA711454  Eclipta prostrata LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2005-11-11 2440 Los Angeles Big Tujunga Canyon across from the mouth of Vasquez Creek. 610 Comment
  UCSB3668  Ehrendorferia chrysantha Jacobson, A. 1959-5-15 Los Angeles Mint Canyon at campground 6.4 mile north of Solemint Comment
  UCR152460  Ehrharta erecta A. C. Sanders, Lee Jones 2005-4-8 29319 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  CHSC109687  Ehrharta longiflora Scott D. White; Justin Wood 2008-5-8 11943 Los Angeles Puente/Chino Hills; SCE powerline corridor near Skyline Dr., and E of Hacienda Blvd.; Hacienda Heights. 320 Comment
  SD69440  Eleocharis macrostachya Robert F. Thorne, P. Everett 1966-4-7 34976 Los Angeles Santa Catalina Island; Hay Press Reservoir; at wet margin of reservoir with Rumex sacicifolius. 410 Comment
  RSA602451  Eleocharis parishii Scott D. White 1997-5-14 5127 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
  PASA615  Eleocharis parishii Frank W. Peirson 1930-5-31 Los Angeles Lovejoy Buttes, Mohave Desert Comment
  RSA365469  Eleocharis radicans L. C. Wheeler 1931-9-13 145 Los Angeles Puddingstone Dam, San Jose Hills. 274 Comment
  POM266898  Eleusine indica J. C. Roos 1942-10-1 1735 Los Angeles Los Angeles. Comment
  CATA317  Elymus condensatus Mark L. Hoefs, A. Douglas Propst 1973-6-5 344 Los Angeles Santa Catalina Island: Skull Canyon 182 Comment
  UCR223568  Elymus elymoides R. G. Swinney 2009-6-3 11028 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  POM365337  Elymus glaucus F. R. Fosberg 1931-4-10 S- 4555 Los Angeles Avalon Valley, Santa Catalina Island 50 Comment
  RSA187847  Elymus glaucus R. F. Thorne 1966-6-1 36474 Los Angeles Santa Catalina Island: upper end of the road in Pebbly Beach Canyon 91 Comment
  CAS-BOT-BC206756  Elymus glaucus subsp. glaucus I. M. Johnston 1917-8-21 1630 Los Angeles Coldwater Fork, Lytle Creek - San Antonio Mountains 2133 Comment
  POM359948  Elymus multisetus Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  POM83852  Emmenanthe penduliflora Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA599707  Emmenanthe penduliflora Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9456 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
  UCR259278  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12511 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  RSA597116  Encelia actoni Timothy S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3717 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA681857  Encelia actoni Scott D. White, Michael Honer 2003-6-18 9562 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  HSC101313  Encelia californica R. G. Swinney 2009-3-19 10141 Los Angeles San Gabriel Mtns. Foothills; Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, ~100 m north of Hwy. 39 230 Comment
  UCR259640  Encelia farinosa R. G. Swinney 2010-5-7 12599 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  SBBG33888  Ephedra nevadensis L. S. Rose 1968-4-5 68013 Los Angeles Acton 822 Comment
  SEINET909632  Ephedra nevadensis Louis C. Wheeler 1932-1 602 Los Angeles 2 mi. W Palmdale 762 Comment
  UC511257  Ephedra nevadensis Lyman Benson 1952-3-25 3149 Los Angeles grade above Valyermo (San Gabriel Mt. Range, mountain slope); San Gabriel Mt. Range, Mojave Desert Watershed 1127 Comment
  RSA0046869  Ephedra nevadensis Robert F. Thorne, J. P. Simon, J. Dourley, H. Cayfield 1970-5-1 39540 Los Angeles Along road to Valyermo, ca. 1 mi. E of Pallett Ranch N of Pinyon Ridge. At foot of grade in Shoemaker Canyon. 1402 Comment
  RSA0048548  Ephedra viridis Nancy Anderson 1955-5-11 s.n. Los Angeles Big Rock Creek, south of Big Pines Rd. Comment
  UC1083313  Ephedra viridis Herbert L. Mason 1926-4-26 2960 Los Angeles 4 mi w of Sanger Comment
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Jul 31 2014
  RSA529911  Epilobium brachycarpum Tim S. Ross 1991-8-16 5819 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA594405  Epilobium brachycarpum Steve Boyd, Lauren Raz 1996-10-14 9082 Los Angeles Liebre Mountains region, 'Cow Spring Pond', a sag pond along the San Andreas Fault at the north base of Liebre Mountain in Oakdale Canyon, just west of confluence of Cow Spring Canyon. 1159 Comment
  POM214455  Epilobium canum subsp. canum Louis C. Wheeler 1931-10-16 253 Los Angeles Sawpit Canyon. San Gabriel Mountains. 305 Comment
  RSA128647  Epilobium canum subsp. canum Peter H. Raven, H. J. Thompson 1958-10-11 13764 Los Angeles 0.7 miles south of junction of roads at summit. Saddle Peak. 747 Comment
  RSA638923  Epilobium canum subsp. canum Louis C. Wheeler 1946-8-27 6249 Los Angeles San Gabriel Mountains: Angeles Forest Highway opposite junction of Mill Creek & Big Tujunga Canyon 869 Comment
  UC213261  Epilobium canum subsp. canum I. M. Johnston 1917-11-30 1801 Los Angeles w mouth of Live Oak Canyon; San Antonio Mountains 457 Comment
  POM11417  Epilobium canum subsp. latifolium I. M. Johnston 1917-7-26 1586 Los Angeles San Antonio Canyon. 2287 Comment
  RSA230263  Epilobium canum subsp. latifolium Robert F. Thorne 1969-7-2 38303 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit. 1982 Comment
  RSA0082402  Epilobium ciliatum R. G. Swinney 2010-9-7 13729 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  UCR48934  Epilobium ciliatum A. C. Sanders 1987-7-22 7164 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  UCR209645  Epilobium glaberrimum R. G. Swinney 2008-7-2 9122 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  RSA381712  Epipactis gigantea Thekla Mohr 1897-06 s.n. Los Angeles Sierra Madre. Comment
  UCR17318  Epipactis gigantea R. S. Woglum 1937-8-17 0834 Los Angeles San Gabriel Mtns., upper San Gabriel River Canyon, Soldier's Creek 1220 Comment
  SBBG127576  Epipactis helleborine A. C. Sanders with T. B. Salvato 2009-5-19 36838 Los Angeles under SCE powerlines S of Montebello Blvd and W of Plaza Dr, S of large shopping mall (Montebello Town Center); Montebello Hills 110 Comment
  LA94022  Equisetum hyemale subsp. affine Lawrence L. Kiefer; 1962-12-24 339 Los Angeles 228 Comment
  UC1971411  Equisetum hyemale subsp. affine Louis C. Wheeler 1966-10-1 8937 Los Angeles SAN GABRIEL MOUNTAINS: Millie's Orchard, lower Colby Ranch, Coldwater Canyon. Comment
  RSA639598  Equisetum hyemale var. affine L. C. Wheeler 1932-5-4 679 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  RSA603227  Eragrostis cilianensis L. C. Wheeler 1932-8-30 1310 Los Angeles 2 mi. NE La Verne. Comment
  UCD33019  Eragrostis mexicana subsp. virescens Beecher Crampton 1965-10-27 7589 Los Angeles Los Angeles County, ca. 2.6 miles S.W. of Saugus, US Hwy. 99. Comment
  UCR163174  Eragrostis pectinacea var. pectinacea Anuja Parikh, Nathan Gale 2004-6-2 2027 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UC868828  Eremocarpus setiger F. R. Fosberg 1931-7-11 S 5383 Los Angeles Cape Canyon Santa Catalina Island (middle) 220 Comment
  SEINET12141704  Eremocarpus setiger Unknown 1902-1 2966 Los Angeles near Inglewood Comment
  RSA0107974  Eriastrum densifolium subsp. austromontanum R. E. Riefner 1996-6-7 96 -111 Los Angeles Santa Clarita, Hwy. 14 along Placer Creek. Comment
  CDA39991  Eriastrum eremicum G. C. Fleischman 1943-8-8 s.n. Los Angeles Between Palmdale & Littlerock. 0 Comment
  CAS-BOT-BC514974  Eriastrum sapphirinum subsp. dasyanthum Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon Comment
  UCSB6730  Ericameria arborescens Gill, Robert 1959-10-4 Los Angeles San Antonio Canyon; San Gabriel Mt. Range; 1036 Comment
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Jan 20 2015
  CAS-BOT-BC131691  Ericameria cooperi var. cooperi John Thomas Howell 1930-5-12 4869 Los Angeles 1 mile north of Acton Comment
  UC672265  Ericameria cooperi var. cooperi H. L. Mason 1926-4-27 3045 Los Angeles Big Pine Recreation Camp Road between Big Rock Creek and Little Rock Creek Comment
  POM359336  Ericameria cuneata var. cuneata Anstruther Davidson 1915-8-11 3090 Los Angeles Ice Canyon, Camp Baldy Comment
  SD40105  Ericameria ericoides subsp. ericoides Edith A. Purer 1931-2-21 Los Angeles El Segundo Comment
  POM359353  Ericameria ericoides var. ericoides L. E. Hoffman 1932-8-18 s.n. Los Angeles El Segundo. Comment
  JEPS31362  Ericameria linearifolia W. L. Jepson 1939-4-21 19241 Los Angeles Neenach School near Yucca Grove; western Mojave Desert, Antelope Valley 914 Comment
  UC1118758  Ericameria linearifolia H. A. Jensen 1933-5-18 305 Los Angeles Acton Tujunga Quadrangle Comment
  UC1871241  Ericameria linearifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5038 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  SBBG62946  Ericameria nauseosa var. hololeuca R. Hoffmann 1927-9-30 Los Angeles E of Palmdale Comment
  SBBG62849  Ericameria palmeri var. pachylepis M. N. Ackley -Nov-1928 431 Los Angeles Eagle Rock 182 Comment
  UC55084  Ericameria palmeri var. pachylepis Miss E. D. Palmer Los Angeles Los Angeles Comment
  SBBG112920  Erigeron bonariensis S. A. Junak 1998-10-21 SCa 816 Los Angeles White's Landing, just inland from buildings 6 Comment
  UCD131746  Erigeron breweri var. jacinteus Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2103 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
  RSA678828  Erigeron foliosus var. foliosus Valerie L. Soza, Samantha Tessel 2001-6-18 1285 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 0.6 mile from trailhead out of Chantry Flat area. 716 Comment
  SBBG131650  Erigeron foliosus var. foliosus S. A. Junak 1999-5-8 SCa 926 Los Angeles Escondido Cyn, ca. 0.35 mi above reservoir 152 Comment
  UC1929729  Erigeron foliosus var. foliosus Scott D. White, Justin Wood 2008-5-8 11945 Los Angeles Puente / Chino Hills: SCE powerline corridor, E of Fullerton Rd. and S of Pathfinder, above Rowland Heights. Comment
  UCD150966  Erigeron glaucus D. S. Park 2010-4-27 52 Los Angeles Ranch Santa Ana Botanic Garden 387 Comment
  POM6800  Erigeron philadelphicus P. A. Munz, L. T. Street, Williams 1919-4-5 2469 Los Angeles Puddingstone Canyon, near San Dimas. 274 Comment
  SD237308  Erigeron sumatrensis A. C. Sanders 2009-11-6 37217 Los Angeles South Coast: Madrona Marsh, Torrance. Former oil field with gravel service road remnants. 24 Comment
  RSA455002  Eriodictyon crassifolium Ora M. Clark 1929-3-24 1780 Los Angeles Santa Susana Mountains. Comment
  SFV15346  Eriodictyon crassifolium J. C. Dittes, C. Dittes 1990-3-31 63 Los Angeles San Gabriel Mountains Little Tujunga Canyon Road. 396 Comment
  SEINET12279766  Eriodictyon crassifolium J. Bright, Wyman, C. 1931-1 5280 Los Angeles Mint Canyon Comment
  CAS-BOT-BC376584  Eriodictyon crassifolium var. crassifolium Marck Menke 2002-3-29 135 Los Angeles San Gabriel Mts., Angeles Crest Highway (Hwy. 2) at a pullout southeast of the intersection with Angeles Forest Highway Comment
  RSA156539  Eriodictyon crassifolium var. crassifolium L. R. Abrams 1902-7-1 2627 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC189151  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Steve Boyd 1993-5-23 7221 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope 140-220 m SE of the saddle between ruby and Clearwater Canyons 963 Comment
  SBBG54051  Eriodictyon crassifolium var. nigrescens K. R. Montgomery, T. W. Strid 1973-5-19 73 -67 Los Angeles Dillon Divide Comment
  UCR125932  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark Elvin 2002-6-19 25193 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR281420  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2014-5-8 16441 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  CAS-BOT-BC188966  Eriodictyon parryi Timothy S. Ross; Steve Boyd 1994-5-24 7875 Los Angeles Burns Truck Trail, along low, northerly slope draining to lower Burns Canyon, 2220 m ENE from Grass Mountain summit, Vicinity of Burns Canyon 1115 Comment
  SD72754  Eriodictyon traskiae F. R. Fowberg 1931-7-11 S 5383 Los Angeles Santa Catalina Island; Middle Cape Canyon. 239 Comment
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Dec 3 2014
  RSA0047416  Eriodictyon trichocalyx R. G. Swinney 2010-5-12 12702 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  IRVC28798  Eriogonum angulosum A. C. Sanders, Mark A. Elvin 2002-8-26 25580 Los Angeles Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle Western Transverse Range/Santa Clara River Watershed 335 Comment
  PASA1483  Eriogonum angulosum Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  RSA393108  Eriogonum brachyanthum Cameron Blake, Jane Turner, Francis M. Ball 1962-6-2 SK&F- 963 Los Angeles Ca. 0.5 mile north of Pearblossom 915 Comment
  UC6415  Eriogonum cinereum Wm. H. Brewer 1860-12-21 80 Los Angeles Sierra Santa Monica Comment
  UCD99802  Eriogonum cinereum H. P. Bracelin 1931-10-11 570 Los Angeles Lower Topanga Canyon, about one and one-half miles east of Ocean Beach, Santa Monica Mountains. Comment
  SD108970  Eriogonum cithariforme James Henrickson 1972-11-2 8088 Los Angeles 4 mi. N of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Road 372 Comment
  CHSC95801  Eriogonum cithariforme var. agninum LeRoy Gross 2005-5-3 2238 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  RSA233507  Eriogonum cithariforme var. agninum Robert F. Thorne, C. W. Tilforth 1972-6-29 42110 Los Angeles San Gabriel Mountains, Angeles National Forest: c. 2.0 mi SE of Valyermo on road to Jackson Lake 1433 Comment
  SBBG125873  Eriogonum davidsonii A. Parikh, N. Gale 2010-6-10 3275 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.7 km NW of State Hwy 14; E Liebre Mtns 1104 Comment
  UCR124485  Eriogonum davidsonii B. C. Templeton 1932-7-20 5022 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  CAS-BOT-BC242751  Eriogonum davidsonii James L. Reveal; C. Rose Broome 1987-6-25 6570 Los Angeles San Gabriel Mountains, along the Angeles Crest Highway (California Highway 2) at milepost 47.3, 10.4 miles south of Cloudburst Summit and 0.4 mile south of Charlton Flat Campground 1615 Comment
  CAS-BOT-BC242782  Eriogonum davidsonii Robert J. Fortlage 1961-9-10 s.n. Los Angeles Big Pines, Angeles National Forest, San Gabriel Mts. 2072 Comment
  RSA659843  Eriogonum davidsonii Orlando Mistretta 1991-7-30 s.n. Los Angeles Mt. Baldy 2439 Comment
  OBI35614  Eriogonum fasciculatum Rebecca Cicoria 1981-4-24 20 Los Angeles Purple Cyn, one mi from Crest rd, Rolling HIlls Comment
  RSA799858  Eriogonum fasciculatum Monica Rodriguez, Michelle Terrazino, Naomi Fraga 2013-7-23 11 Los Angeles Glendora Ridge Road 1495 Comment
  SBBG25544  Eriogonum fasciculatum var. fasciculatum D. Emery 1947-4-5 Los Angeles Griffith Park Comment
  POM177962  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1931-5-15 4196 Los Angeles West fork Garapito Creek. 457 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
  RSA650851  Eriogonum fasciculatum var. foliolosum Donald E. Miller 1948-5-2 s.n. Los Angeles Found in the hills back of Occidental College [Eagle Rock] Comment
  UC457327  Eriogonum fasciculatum var. foliolosum Carl Epling, N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains, Los Alisos Canyon Comment
  SDSU6764  Eriogonum giganteum var. giganteum R. M. Beauchamp 1966-8-8 49 Los Angeles Along road south of Avalon. Santa Catalina Island. 137 Comment
  SBBG62110  Eriogonum gracile R. Hoffmann 1928-11-9 Los Angeles Acton Comment
  UCR88680  Eriogonum gracile Scott D. White 1995-10-19 3697 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  POM180174  Eriogonum gracile var. gracile Joseph A. Ewan 1931-10-11 5243 Los Angeles Santa Monica Mountains, Sepulveda Canyon Rd., north of Mullholland. Comment
  RSA578118  Eriogonum gracile var. gracile Tim S. Ross, S. D. Boyd 1994-9-20 8235 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  CAS-BOT-BC252233  Eriogonum grande var. grande G. B. Grant 1906-9-1 7169 Los Angeles Catalina Is. Comment
  RSA756132  Eriogonum hirtiflorum Orlando Mistretta, Christine Mistretta 2008-4-22 2521 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 62 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1133 Comment
  RSA226950  Eriogonum kennedyi var. alpigenum Robert F. Thorne 41244 Los Angeles Angeles National Forest. Mt. Baden-Powell 2805 Comment
  RSA766431  Eriogonum maculatum Joseph A. Ewan 1936-8-6 9974 Los Angeles Head of Cedar Canyon off Mescal Canyon. San Gabriel Mts. 1982 Comment
  UCR147271  Eriogonum microthecum var. johnstonii Orlando Mistretta 1991-7-30 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Mt. Baldy, West Baldy Ridge Comment
  CAS-BOT-BC268775  Eriogonum mohavense Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9487 Los Angeles 16 miles from Lancaster on the Muroc Road Comment
  POM310383  Eriogonum nudum var. pauciflorum Margaret Hardinge 1946-10-14 185 Los Angeles San Antonio Canyon, San Gabriel Mountains; Pacific Drainage Area 1829 Comment
  CAS-BOT-BC258523  Eriogonum nudum var. westonii Timothy S. Ross; Steve Boyd 1994-9-20 8242 Los Angeles Liebre Mountains. Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  SBBG65166  Eriogonum ordii R. Hoffmann 1930-6-7 Los Angeles Piru Crk, Liebre Stn Comment
  RSA583944  Eriogonum parishii R. G. Swinney 1993-6-29 2367 Los Angeles San Gabriel Mountains: 1.0 miles south of Lone Pine Canyon Road. 1634 Comment
  SBBG65200  Eriogonum plumatella R. Hoffmann 1927-8-31 Los Angeles Acton to Palmdale Comment
  RSA725195  Eriogonum pusillum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -46 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
  UCR29834  Eriogonum pusillum G. R. Ballmer 1983-5-19 s.n. Los Angeles Dry slope near Fort Tejon Rd. about 0.5 mi west of its intersection with Longview Rd., 3.5 mi south of Pearblossom 1016 Comment
  POM19000  Eriogonum pusillum P. A. Munz 1923-8-31 7676 Los Angeles Ridge south of Swartout Valley, San Gabriel Mountains. 2576 Comment
  UCR145184  Eriogonum roseum var. roseum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  JEPS97034  Eriogonum saxatile Victor Duran 1933-7-27 3538 Los Angeles Buckhorn; San Gabriel Mtns 1981 Comment
  RSA733561  Eriogonum saxatile R. G. Swinney 1998-8-13 6741 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  UC1971211  Eriogonum saxatile Louis C. Wheeler 1970-7-25 Los Angeles SAN GABRIEL MOUNTAINS: Heliport 0.3 mile north of South Mt. Hawkins. Comment
  UCR194009B  Eriogonum saxatile R. G. Swinney 1999-5-22 7186 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  CAS-BOT-BC267578  Eriogonum saxatile Noel H. Holmgren; James L. Reveal 1966-5-29 2611 Los Angeles Ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit, San Gabriel Mountains 1767 Comment
  RSA420560  Eriogonum umbellatum var. munzii Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  UC61707  Eriogonum umbellatum var. subaridum Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts., Swartout Canyon 2133 Comment
  SBBG64218  Eriogonum vimineum J. Ewan 1931-7-4 Los Angeles 2 mi above Gold Crk Rd, Pacoima Cyn Comment
  RSA0078388  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2010-10-8 14005 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  RSA611256  Eriogonum wrightii subsp. subscaposum Louis C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1738 Comment
  RSA585775  Eriogonum wrightii var. subscaposum Orlando Mistretta 1995-7-11 1880 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  UCR95369  Eriogonum wrightii var. subscaposum Steve Boyd, Lauren Raz 1996-9-24 8968 Los Angeles San Gabriel Mtns., Sawmill Mtn along Forest Service road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon 1622 Comment
  CAS-BOT-BC297949  Eriophyllum confertiflorum John H. Thomas 1957-5-31 6796 Los Angeles Occidental College Campus, Los Angeles. Hills behind campus Comment
  POM357927  Eriophyllum confertiflorum Norman C. Cooper 1949-6-18 4192 Los Angeles San Gabriel Wash 366 Comment
  POM357933  Eriophyllum confertiflorum Norman C. Cooper 1948-4-21 2692 Los Angeles Littlerock Reservoir 915 Comment
  POM4923  Eriophyllum confertiflorum P. A. Munz 1918-5-19 2269 Los Angeles Pomona. Comment
  SD112722  Eriophyllum confertiflorum Darley F. Howe 1953-5-3 2280 Los Angeles Mouth of Wain Canyon, Santa Catalina Island. Comment
Read comments
Jun 10 2014
  SFV16063  Eriophyllum confertiflorum P. W. Byrne, H. Levin 1994-4-10 11 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  UCR127188  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 396 Comment
  LA91413  Eriophyllum confertiflorum var. confertiflorum Bruce Douglas Clayton; Greg Shaw 1972-3-16 13 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, at upper canyon entrance of Temescal and Rustic Canyons 576 Comment
  SBBG61060  Eriophyllum confertiflorum var. confertiflorum R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  SBBG98706  Eriophyllum confertiflorum var. confertiflorum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5274 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 304 Comment
  UC1409195  Eriophyllum confertiflorum var. confertiflorum Donald R. Bissing 1973-4-20 41 Los Angeles 0.5 mi from mouth of Evey Canyon (on bank above road cut); San Gabriel Mountains, Evey Canyon 731 Comment
  UC1871028  Eriophyllum confertiflorum var. confertiflorum T. S. Ross, Walter Appleby 1993-5-20 7187 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9; elev. ca. 3120 ft. 951 Comment
  UC566671  Eriophyllum confertiflorum var. confertiflorum Herbert L. Mason 1927-6-14 3766 Los Angeles San Gabriel Mts., San Antonio Canyon 1889 Comment
  CAS-BOT-BC308395  Eriophyllum pringlei S. B. Parish 1893-1-1 s.n. Los Angeles Lancaster Comment
  UC1595716  Eriophyllum pringlei W. Wisura and E. Roeder 1992-4-21 4694 Los Angeles near Valyermo (Mountain Brook Ranch); West Mojave Comment
  RSA0091728  Eriophyllum wallacei R. G. Swinney 2011-4-20 14436 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
  SEINET3860285  Erodium botrys R. G. Swinney 2009-3-25 10157 Los Angeles San Gabriel Mtns. Foothills: far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park.; 0 549 Comment
  LA51389  Erodium botrys R. L. Armacost; summer 1959 sn Los Angeles Santa Monica Mountains, near Clover Field, Santa Monica Comment
  CATA2022  Erodium brachycarpum Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 549 Los Angeles Santa Catalina Island: Along W side of road to Toyon Bay, 1.4 road miles from intersection with Airport Road, near ironwood overlook deck 182 Comment
  RSA592142  Erodium brachycarpum Louis C. Wheeler 1967-4-30 9205 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch 366 Comment
  RSA600099  Erodium brachycarpum Louis C. Wheeler 1948-4-26 6636 Los Angeles Altadena. Canyon Crest Drive and Lincoln Avenue. Comment
  UCD103132  Erodium brachycarpum Daryl Koutnik 1978-3-16 115 Los Angeles At the northwest base of Lady face, South of Agoura Rd. 320 Comment
  RSA483724  Erodium cicutarium Richard Noyes 1988-4-30 518 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA660846  Erodium cicutarium Ann Williams 1992-5-14 12 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UCR225786  Erodium macrophyllum Dave Silverman, Cindy Hopkins 2007-4-17 6707 Los Angeles SW Tehachapi Mtns, Tejon Ranch, 1.2 km due south of Oso Canyon, 2.4 km south of the Kern County line, and 4.2 km NE of Hwy 138 and I-5 junction 1101 Comment
  RSA650524  Erodium moschatum W. A. Reinke 1971-3-30 s.n. Los Angeles North side of Orlando Way, and east of 229 E. Orlando Way, Covina. Comment
  RSA657640  Erodium moschatum Kristina Sargeant 1992-4-4 92 -3 Los Angeles Flat lot on north side of Tetley St. approx. 200 ft east of intersection of Hacienda Blvd. and Tetley St. in Hacienda Heights. Comment
  UC1584251  Erysimum capitatum Tim Ross and Steve Boyd 1990-6-6 2888 Los Angeles steep scree slope to sw Piru Pond; Los Padres National Forest, Liebre Mtn USGS 7.5' Quadrangle 644 Comment
  UCR205920  Erysimum capitatum R. G. Swinney 2008-5-5 8766 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA279119  Erysimum capitatum var. capitatum R. F. Thorne 1971-3-18 41492 Los Angeles Cobal Canyon, 3 miles N of Claremont 502 Comment
  SBBG92022  Erysimum capitatum var. capitatum R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  UCR271673  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-31 14918 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
  UCSB7096  Erysimum capitatum var. capitatum Gill, Robert 1959-3-7 Los Angeles Just E. of northern most end of Mills Ave., Claremont; San Gabriel drainage area; Pacific slope drainage area Comment
  RSA530235  Erysimum suffrutescens Robert Gustafson 1980-7-9 1788 Los Angeles Ballona Wetlands, Area 1, coastal strand along the western boundary of Area 1 Comment
  SD90491  Erythranthe guttata Robert F. Thorne 1966-4-17 36125 Los Angeles San Clemente Island; rocky bottom of upper reaches of Box Canyon, NW of Horse Canyon, SW of Thirst 244 Comment
  RSA226212  Eschscholzia Gary D. Cromwell, David W. Wheat 1971-4-30 592 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora. 534 Comment
  SEINET6911601  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1955-3-26 3487 Los Angeles Antelope Valley east of Fairmont on 110th Street. "Gilia expanse" east side of road in field. Comment
  CAS-BOT-BC403183  Eschscholzia californica Le Roy Abrams; E. A. McGregor 1908-6-20 360 Los Angeles Liebre Mountain 1463 Comment
  RSA769898  Eschscholzia californica R. G. Swinney 2009-3-31 10227 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte. 183 Comment
  UC1126402  Eschscholzia californica P. L. Johannsen 1934-3-28 309 Los Angeles San Francisquito Canyon Santa Susana Quadrangle Comment
  OBI69417  Eschscholzia californica Vicki Arnold, S. Cooper 1994-4-17 27 Los Angeles Lancaster Ave I W of hwy 14 640 Comment
  POM50340  Eschscholzia californica var. crocea L. R. Abrams 1901-04 1357 Los Angeles San Fernando Mts. 762 Comment
  LA201642  Eucalyptus camaldulensis Arthur C. Gibson; 2003-12-27 5003 Los Angeles Simi Hills, Chatsworth Oaks Park, W of Chatsworth, near main parking area of park on N-side of Chatsworth Reservoir 304 Comment
  RSA0012820  Eucalyptus polyanthemos A. C. Sanders 1987-12-4 7587 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  UCR178050  Eucalyptus rudis LeRoy Gross 2003-1-25 685 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. Climbs to main crest 549 Comment
  UCR205114  Eucalyptus tereticornis R. G. Swinney 2008-4-16 8676 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  PASA2097  Eucrypta chrysanthemifolia Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA608650  Eucrypta chrysanthemifolia Louis C. Wheeler 1931-2-28 s.n. Los Angeles Sargent's Grove. Comment
  UCSB12429  Eucrypta chrysanthemifolia Haines, A. 1962-4-3 Los Angeles Santa Monica Mountains; on Mulholland Drive, 1 mile west of Topanga Boulevard 365 Comment
  SFV15333  Eucrypta chrysanthemifolia var. chrysanthemifolia J. C. Dittes 1990-3-10 39 Los Angeles San Gabriel Mountains Big Tujunga Canyon, 200 yards upstream of Big Tujunga flood control reservoir. 732 Comment
  RSA0042673  Eucrypta chrysanthemifolia var. chrysanthemifolia Laura Moore 1999-4-10 021 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  UCR282028  Eulobus californicus R. G. Swinney 2014-5-7 16428 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
  LA32300  Euphorbia maculata Peter H. Raven; Henry J. Thompson 1959-9-18 14446 Los Angeles University of California, West Los Angeles 129 Comment
  LA32298  Euphorbia maculata Peter H. Raven; Henry J. Thompson 1959-6-21 14355 Los Angeles West Los Angeles 106 Comment
  CATA2042  Euphorbia peplus Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-6-11 706 Los Angeles Santa Catalina Island: NE side of island, at mouth of small canyon just SE of Frog Rock 3 Comment
  RSA0116462  Euthamia occidentalis R. G. Swinney 2011-9-22 15660 Los Angeles San Gabriel Mountains; Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  SBBG13426  Extriplex californica E. R. Blakley 1962-6-10 5222 Los Angeles Wilson Cove 6 Comment
  UC1714625  Fagopyrum esculentum I. M. Johnston 1918-7-29 2109 Los Angeles La Verne 304 Comment
  SEINET13387050 Image available Festuca dertonensis R. G. Swinney 2011-1 14078 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  SBBG108409  Festuca microstachys T. Ross 1995-5-21 8605 Los Angeles near head of Chenetti Cyn, just SW of W prong of the trident formed at the top of the longest tributary; 1800' SSE of Rest Triangulation Pt (1336') 347 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
  UCR186911  Festuca myuros A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32021 B Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR167531  Festuca octoflora Scott D. White, Brian Leatherman 2005-3-18 10803 B Los Angeles South Coast, City of Glendora: 'South Hills' just N of the I-210 freeway. c. 0.3 air mi ENE of the I-210/Sunflower intersection 335 Comment
  UCR267271  Ficus microcarpa R. E. Riefner Jr. 2015-8-21 15- 341 Los Angeles City of Covina, north of I-10 Freeway, east side of Grande Ave. at Walnut Creek, general vicinity of Fairway Ln. 150 Comment
  RSA0010777  Ficus retusa A. C. Sanders 1987-12-4 7441 Los Angeles El Segundo Dunes, immediately W of Los Angeles Int. Airport and Pershing Dr. 30 Comment
  RSA393714  Filago californica F. R. Fosberg 1931-4-22 4670 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA584021  Filago californica Timothy S. Ross, Steve Boyd 1991-4-25 4582 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fork of the San Gabriel River). 731 Comment
  RSA549595  Filago californica Timothy S. Ross 1992-4-4 6061 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Black Butte, middle butte of the three. 970 Comment
  RSA758242  Filago californica Orlando Mistretta, Christine Mistretta 2008-4-16 2464 -a Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  RSA495083  Filago depressa A. C. Sanders 1988-5-18 7820 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Drive, & E of Vista Del Mar Blvd. 1 Comment
  RSA729489  Forestiera pubescens R. G. Swinney 1999-6-21 7381 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  UCR147840  Forestiera pubescens L. C. Wheeler 1953-9-12 7050 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Vincent Gap Comment
  SBBG26925  Frangula californica subsp. californica I. W. Clokey, B. Templeton -Dec-1929 4603 Los Angeles Mandeville Cyn 300 Comment
  OBI34887  Frankenia salina David J. Keil 1983-8-23 17884 Los Angeles Huntington harbor at Bolsa Chica Ecological Reserve Comment
  RSA595419  Frankenia salina Mark Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2484 Los Angeles Santa Catalina Island: Little Harbor. 3 Comment
  UC420675  Frankenia salina I. Johnston 1917-6-19 1269 Los Angeles between Mesmer and Playa del Rey Comment
  POM50304  Frasera neglecta A. D. E. Elmer 1902-6-2 3609 Los Angeles Acton, Mt. Gleason Comment
  UCR85802  Frasera neglecta T. S. Ross, Steve Boyd 1991-7-24 5650 Los Angeles San Gabriel Mtns, Granite Mountain 1951 Comment
  LA33607  Fraxinus dipetala Henry J. Thompson; 1959-3-31 1909 Los Angeles Santa Monica Mountains, Lobo Canyon, ca. 2 mi W of Cornell 274 Comment
  RSA464911  Fraxinus dipetala Elbert Benjamine 1929-4-15 165 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA595171  Fraxinus dipetala Steve Boyd 1996-4-25 8685 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA596136  Fraxinus velutina Tim S. Ross, Steve D. Boyd 1995-6-28 8636 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA77220  Fremontodendron californicum subsp. californicum F. W. Peirson 1921-5-20 773 Los Angeles Little Rock Creek 1067 Comment
  LA22100  Fritillaria biflora var. biflora Katherine Kinsel; 1930-3-22 1074 Los Angeles SANTA MONICA MOUNTAINS, Hollyhock Canyon, Mandeville Canyon. Comment
  POM3369  Funastrum cynanchoides var. hartwegii I. M. Johnston 1918-5-15 s.n. Los Angeles Claremont. [Campus by Harwood Hall.] 366 Comment
  UCD121393  Funastrum cynanchoides var. hartwegii Kenneth A. Wilson 1961-4-20 1146 Los Angeles Soledad Canyon. Comment
  RSA596926  Galium Scott D. White, Chet McGaugh 1995-5-9 3000 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14. Sunshine Canyon Landfill property. 457 Comment
  UCR276973  Galium andrewsii R. G. Swinney 2010-6-1 13144 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
  RSA594881  Galium andrewsii subsp. intermedium Tim S. Ross 1995-4-26 8386 Los Angeles Liebre Gulch: along Forest Service Road 8N05 descending into the gulch from the Tumble Inn (site) on the Old Ridge Route. 1024 Comment
  RSA719099  Galium angustifolium Naomi S. Fraga, Jorge Arriaga 2002-4-28 82 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. N slope of Box canyon. Comment
  JEPS56096  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4115 Los Angeles intersection of Angeles Forest Hwy with Angeles Crest Highway (s-facing canyon); San Gabriel Mountains Comment
  LA91513  Galium angustifolium subsp. angustifolium Bruce Douglas Clayton; Greg Shaw 1972-5-11 113 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, S side of Castle. 548 Comment
  POM367687  Galium angustifolium subsp. angustifolium Fay A. MacFadden 1931-7-12 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA0051346  Galium angustifolium subsp. angustifolium Valerie Soza 2004-6-17 1721 a Los Angeles San Gabriel Mountains, Mt. Wilson Rd, north of junction with Mt. Lowe Rd. 1569 Comment
  UC496154  Galium angustifolium subsp. angustifolium W. R. Dudley and Lamb 1896-6-7 4353 a Los Angeles nw Mojave Desert; Antelope Valley Comment
  POM9745  Galium angustifolium subsp. gabrielense F. W. Peirson 1919-6-7 7677 Los Angeles Cow Canyon divide, San Antonio Creek Region 1372 Comment
  JEPS6598  Galium aparine F. W. Peirson 1921-6-19 1184 Los Angeles North Fork San Gabriel River San Gabriel Mts. 1005 Comment
  POM367740  Galium aparine Louis Greata 1901-03 s.n. Los Angeles Highland Park. Comment
  RSA0093370  Galium aparine R. G. Swinney 2011-3-26 14202 Los Angeles San Gabriel Mts.: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon. 476 Comment
  SBBG17754  Galium aparine P. H. Raven 1962-5-8 17595 Los Angeles near mouth of cyn at S end of Seal Cove 9 Comment
  SDSU9317  Galium aparine R. M. Beauchamp 1967-3-18 294 Los Angeles In grassy bottom of canyon west of the dump below Lemon Tank. San Clemente Island Comment
Read comments
May 16 2008
  CAS-BOT-BC217456  Galium catalinense E. R. Blakley 1963-12-8 6395 Los Angeles Canyon head above Mosquito Cove and between Triangulation Points Malo and Chenity, San Clemente Island 304 Comment
  UCR68925  Galium catalinense subsp. acrispum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4263 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CAS-BOT-BC217510  Galium grande Le Roy Abrams 1901-4-15 1516 Los Angeles Wilson's Peak Comment
  UC2029962  Galium grande V. Soza, Samantha Tessel 2001-6-18 1291 b Los Angeles Transverse Ranges, San Gabriel Mountains region: Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.5 miles from trailhead out of Chantry Flat area. Comment
  RSA682407  Galium grande Valerie L. Soza, Bill Hogshead 2003-5-6 1649 -a Los Angeles Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  JEPS38126  Galium hallii Lauramay T. Dempster and Clare Hardham 1965-6-20 4157 Los Angeles 3.5 mi nw Big Pines (on road to Valyermo, n side of mts.); San Gabriel Mts. Comment
  RSA771613  Galium johnstonii Robert F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42198 Los Angeles Angeles National Forest; Along Angeles Crest Hwy near Three Points. 1829 Comment
  RSA0045218  Galium porrigens R. G. Swinney 2010-6-21 13267 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 561 Comment
  SBBG12388  Gambelia speciosa P. H. Raven 1962-4-9 17162 Los Angeles small ravine above Wilson Cove 76 Comment
  RSA710758  Gamochaeta pensylvanica Valerie L. Soza, Bill Hogshead 2003-4-23 1639 Los Angeles Brand Park, Brand Canyon. 457 Comment
  CAS-BOT-BC304350  Gamochaeta pensylvanica Philip A. Munz 1934-5-1 13129 Los Angeles Claremont 365 Comment
  RSA597121  Garrya flavescens Tim S. Ross 1990-6-22 3713 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  UCR108670  Garrya flavescens Cary Otis 1927-1 s.n. Los Angeles San Gabriel Mtns, 1/2 mi north of Wickiup Comment
  CAS-BOT-BC158015  Garrya veatchii C. F. Baker 1903-2-15 4012 Los Angeles San Antonia Canon [Canyon] near Claremont. Comment
  POM3293  Garrya veatchii C. F. Baker 1903-8-2 s.n. Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA746571  Gayophytum R. G. Swinney 2008-5-13 8863 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  UCR190024  Gayophytum R. G. Swinney 1998-6-12 6955 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
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May 1 2012
  RSA330779  Gayophytum decipiens Wayne E. Sawyer 1981-6-25 61 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2454 Comment
  RSA250347  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42221 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift. 2378 Comment
  RSA228890  Gayophytum heterozygum Robert F. Thorne 1971-6-26 39987 -b Los Angeles Angeles National Forest. Near Chilao Old Camp. 1616 Comment
  UCR182109  Genista monspessulana R. G. Swinney 1998-4-13 5961 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  SBBG133186  Gilia V. Englert and W. F. Hoyer 2010-4-11 Los Angeles small drainage in Fire of 2009, just S and above Eagle Cyn 496 Comment
  UC52494  Gilia angelensis Ernest Braunton 1902-4-29 240 Los Angeles N. Pomona Comment
  UCR138495  Gilia angelensis L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  RSA470112  Gilia angelensis Anstruther Davidson 1929-05 2340 Los Angeles Toluca [North Hollywood], Los Angeles. Comment
  SBBG127017  Gilia brecciarum subsp. neglecta A. Parikh, N. Gale 2011-6-8 3433 Los Angeles Portal Ridge, 1.2 km W of Godde Hill Rd, 0.9 km S of California Aqueduct 1100 Comment
  SEINET3197498 Image available Gilia cana R. G. Swinney 2009-4-2 10270 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road. (Valyermo 7.5 min Q) 1220 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
  RSA724533  Gilia capitata subsp. abrotanifolia K. Dobry 1991-5-22 d- 672 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  RSA618590  Gilia capitata subsp. abrotanifolia L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravennna. 716 Comment
  RSA709789  Gilia capitata subsp. abrotanifolia LeRoy Gross 2005-4-28 2140 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA756125  Gilia latiflora subsp. cuyamensis Orlando Mistretta, Christine Mistretta 2008-4-30 2569 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  CHSC34462  Gilia latiflora subsp. davyi J. Eckert 1968-4-13 99 Los Angeles 5 mi. N. of Pearblossom off Hwy. 138 in S. Mojave Desert. 762 Comment
  CAS-BOT-BC226401  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 3004 Los Angeles Little Rock Creek, Mohave [Mojave] Desert Comment
  SBBG64418  Gilia latiflora subsp. latiflora Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  UC908820  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2970 Los Angeles four mi s Vincent (Soledad Pass (Mint Cayon Highway)); Soledad Pass, s of Vincent Comment
  UCR25483  Gilia modocensis Deborah Negri 1978-4-14 33 Los Angeles 2 miles north of junction of Hwy 138 and Hwy 14 on south side of Hwy 138 706 Comment
  SBBG31539  Gilia nevinii R. M. Beauchamp 1967-3-17 247 Los Angeles E of Wilson Cove Comment
  SD86337  Gilia nevinii R. Mitchel Beauchamp, M. Douglas 1972-3-24 3231 Los Angeles San Clemente Island. Grassy fields north of Nanny. 249 Comment
  UCR143324  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arnseth 1992-4-5 128 Los Angeles Channel Islands, San Clemente Island, Guds area on extreme south end 175 Comment
  CAS-BOT-BC401996  Gilia ochroleuca subsp. bizonata Timothy S. Ross; Steve Boyd 1994-5-25 7887 Los Angeles Liebre Mountains. West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  SBBG58394  Gilia ochroleuca subsp. bizonata R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  RSA0017120  Gilia ochroleuca subsp. bizonata Frances Runyan 1973-4-14 s.n. Los Angeles About 10-15 miles southwest of Gorman along a mostly dirt road toward Piru Creek. 1067 Comment
  UC23662  Gilia ochroleuca subsp. vivida H. M. Hall 1896-8-7 300 Los Angeles Schwartout Canyon , Schwartout Canyon (San Antonio Mountains) 2042 Comment
  RSA0017153  Gilia ochroleuca subsp. vivida R. F. Thorne, C. W. Tilforth, John Dourley, R. Scogin 1972-8-11 42226 Los Angeles San Gabriel Mtns, Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station. 2134 Comment
  CLARK-A1528-3516  Gilia splendens Art Whistler 1966-6-23 10 Los Angeles Big Pines Comment
  CAS-BOT-BC123843  Gilia traskiae Blanche Trask 1897-5-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA127921  Gnaphalium californicum Peter H. Raven, H. J. Thompson 1959-6-4 14326 Los Angeles Santa Monica Mountains. Point Dume. 46 Comment
  RSA563491  Gnaphalium californicum Timothy S. Ross, Walter Appleby 1993-5-13 7124 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
  RSA660105  Gnaphalium californicum Orlando Mistretta 1992-6-12 566 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR189997  Gnaphalium canescens subsp. beneolens R. G. Swinney 1998-9-7 6940 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  CAS-BOT-BC302599  Gnaphalium palustre E. Braunton 1902-5-15 s.n. Los Angeles Gardena Comment
  RSA775586  Gnaphalium palustre Orlando Mistretta, Christine Mistretta 2010-6-25 5355 Los Angeles Transverse Ranges; San Gabriel Mountains region: On Forest Route 2N24 near head of N fork Santa Anita Canyon, along Southern California Edison transmission line corridor. 1215 Comment
  UC729769  Gnaphalium palustre Carl B. Wolf 1932-5-12 Los Angeles between Little Harbor and Cottonwood Creek; Santa Catalina Island 45 Comment
  RSA91695  Gnaphalium palustre F. W. Peirson 1315 Los Angeles Sink at Inglewood. Comment
  RSA593482  Gnaphalium thermale Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8847 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon, in side drainage below high-tension power lines. 610 Comment
  RSA0110575  Grayia spinosa Richard G. Swinney 2011-4-19 14406 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  OBI70944  Greeneocharis circumscissa Steve Boyd, Lauren Raz 1997-3-25 9275 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. Flats and slopes just NE of ranch compound. T7N R17W NE1/4 NE1/4 sec 22 1061 Comment
  RSA158213  Guillenia lasiophylla P. H. Raven 1962-5-9 17679 Los Angeles Near head of canyon above Mosquito Cove, San Clemente Island 335 Comment
  RSA586282  Guillenia lasiophylla Orlando Mistretta 1995-3-14 1533 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  UCR144094  Gutierrezia californica Scott D. White 1997-5-7 5058 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  UCR239983  Gutierrezia microcephala R. G. Swinney 2009-11-13 11606 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  CAS-BOT-BC302134  Gutierrezia sarothrae Le Roy Abrams 1902-7-5 1557 Los Angeles Azusa Comment
  POM49722  Hainardia cylindrica Le Roy Abrams 1901-06 1715 Los Angeles Ballona Creek, Mesmer., [33?57'40N, 118?27'20W] Comment
  IRVC28720  Haplopappus squarrosus A. C. Sanders, Mark A. Elvin 2002-8-26 25581 Los Angeles Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle Western Transverse Range/Santa Clara River Watershed 335 Comment
  SEINET11849319  Haplopappus venetus subsp. vernonioides H. M. Hall 1902-1 3276 Los Angeles Santa Monica Comment
  UCR127204  Harpagonella palmeri A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26265 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 442 Comment
  CAS-BOT-BC307296  Hazardia squarrosa var. grindelioides C. F. Baker 1903-10-10 3732 Los Angeles San Antonio Canyon near Claremont Comment
  JEPS35537  Helenium bigelovii F. W. Peirson 1918-7-8 244 Los Angeles nw of North Ontario; San Antonio Canyon 1828 Comment
  LA32026  Helenium puberulum Peter H. Raven; 1959-10-25 14713 Los Angeles 91 Comment
  CAS-BOT-BC223989  Helianthemum scoparium Prof. W. R. Dudley 1907-12-16 s.n. Los Angeles Near the reservoir, Monrovia Comment
  CAS-BOT-BC305428  Helianthus annuus Marcus E. Jones 1882-2-27 3029 Los Angeles Pasadena Comment
  UCR210146  Heliotropium curassavicum R. G. Swinney 2008-10-20 9648 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR272929  Heliotropium curassavicum Steven A. Junak 2000-6-29 SCa- 1353 Los Angeles Channel Islands, Santa Catalina Island, along east side of Middle Ranch Road, c. 1.1 miles from intersection with Airport Road 293 Comment
  UCR270864  Heliotropium curassavicum var. oculatum R. G. Swinney 2010-6-29 13394 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  UCD132944  Helminthotheca echioides A. M. Johnson 1933-5-17 4258 Los Angeles Del Rey, Los Angeles. Comment
  CAS-BOT-BC310102  Hemizonella minima Joseph Andorfer Ewan 1932-6-15 7340 Los Angeles 1/2 mile above Horse Flats, Pine Flats Region, San Gabriel Mts. 1706 Comment
  RSA292471  Hemizonia australis James Henrickson 1973-6-15 10706 Los Angeles City of Long Beach; below the State University near Pacific Coast Highway 3 Comment
  RSA360329  Hemizonia australis M. B. Dunkle 1933-9-30 3821 Los Angeles Long Beach 9 Comment
  RSA151214  Hemizonia clementina Peter H. Raven 1962-7-12 18038 Los Angeles Near point at east end of Northwest harbor, San Clemente Island. 30 Comment
  RSA652839  Hemizonia fasciculata Roxanne Smith 1991-5-21 35 Los Angeles Hills 0.4 mile south-east of Golden Springs and Diamond Bar Blvd. Flat area. Comment
  UCR155596  Hemizonia fasciculata A. C. Sanders, Helen Kennedy 2005-4-13 29451 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  POM360263  Hemizonia fasciculata F. R. Fosberg 1930-6-26 3012 Los Angeles Culver Garden. 15 Comment
  POM9731  Herniaria hirsuta subsp. cinerea I. M. Johnson 1921-3-28 4406 Los Angeles Pomona College Campus 366 Comment
  UCR271476  Hesperocnide tenella R. G. Swinney 2011-5-3 14567 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  CAS-BOT-BC403836  Hesperocnide tenella E. Braunton 1902-1-1 s.n. Los Angeles L.A. Comment
  CAS-BOT-BC143676  Heteromeles arbutifolia Le Roy Abrams; E. A. McGregor 1908-6-20 413 Los Angeles Liebre Mountains, Elizabeth Lake Comment
  RSA0060884  Heteromeles arbutifolia R. G. Swinney 2010-8-16 13560 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  UC466692  Heteromeles arbutifolia Mrs. Blanche Trask 1833-7-4 Los Angeles Catalina Island Comment
  POM7969  Heterotheca fastigiata R. B. Cowles 1921-4-22 4482 Los Angeles Claremont. Comment
  RSA0074518  Heterotheca fastigiata L. R. Abrams 1902-7-5 2653 Los Angeles Azusa Comment
  CAS-BOT-BC318862  Heterotheca grandiflora C. B. Wolf 1931-5-13 2002 Los Angeles Pacoima Wash near bridge on the road from Tujunga to San Fernando 365 Comment
  RSA0074081  Heterotheca grandiflora L. C. Wheeler 1945-8-15 6092 Los Angeles El Monte: Lake Shangri-La. Comment
  SBBG63120  Heterotheca sessiliflora subsp. echioides R. Hoffmann 1928-7-8 Los Angeles Fairmont Comment
  CAS-BOT-BC48167  Heuchera elegans Mrs. Joseph Clemens 1922-5-1 s.n. Los Angeles Mt. Wilson Comment
  RSA0063276  Heuchera elegans R. G. Swinney 1998-10-3 7019 Los Angeles San Gabriel Mountains: upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground. 2012 Comment
  RSA0066118  Heuchera elegans G. D. Wallace 1985-7-5 2236 Los Angeles San Gabriel Mountains: Mt. Islip. Angeles National Forest. 2515 Comment
  UCR256557  Hieracium argutum Anuja Parikh, Nathan Gale 2011-7-14 3555 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 7.1 km west of State Hwy 39, San Gabriel Canyon Road 615 Comment
  POM360463  Hieracium argutum George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  UCD115189  Hirschfeldia incana G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  UC1971444  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles LIEBRE MOUNTAINS REGION: Southern edge of the Antelope Valley at the north base of Portal Ridge, along 180th Street West, near the California Aqueduct, east of mouth of Broad Canyon. Comment
  RSA449778  Holodiscus discolor Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  RSA792100  Holodiscus discolor Jane Tirrell, Shirley Imsand 2012-7-6 LS 0092 Los Angeles 50 ft. South of Pacific Crest Trail on ridge, approx 0.6 mi east of Windy Gap. 2507 Comment
  CAS-BOT-BC149953  Holodiscus discolor var. discolor P. A. Munz 1918-5-4 2218 Los Angeles Laguna [Canon] Canyon Comment
  UCR30557  Holodiscus microphyllus John C. Roos 1937-7-16 2426 Los Angeles San Gabriel Mtns., Baldy Peak Comment
  IRVC26359  Hordeum brachyantherum A. C. Sanders 2003-4-16 26030 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  SEINET251714 Image available Hordeum depressum Unknown 1993-5-6 13959 Los Angeles Western Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave. F. 701 Comment
  RSA0115758  Hordeum intercedens Steven A. Junak 1999-5-20 SCa- 954 Los Angeles Santa Catalina Island. Cottonwood-Black Jack, plant stop. 304 Comment
  UCSB6771  Hordeum jubatum Crum, Charles 1958-7-3 Los Angeles Crystal lake recreation, below 6000 feet elevation Comment
  HSC79923  Hordeum murinum subsp. leporinum James Henrickson 1973-6-15 10687 Los Angeles City of Long Beach, S of State University 30 Comment
  RSA251427  Hordeum murinum subsp. leporinum R. F. Thorne 1966-4-15 36038 Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 Comment
  UC1587693  Hordeum murinum subsp. leporinum Tim Ross 1991-3-9 4175 Los Angeles seepage ca 300 ft sw of Colima Road and Camino del Sur; Whittier Hills (Puente Hills, pro parte) 213 Comment
  UCR138515  Hordeum murinum subsp. leporinum L. C. Wheeler 1970-5-9 s.n. Los Angeles Los Angeles; Gladys Ave. at 9th Street. Comment
  RSA499313  Horkelia cuneata subsp. cuneata E. S. Spalding 1923-4-3 s.n. Los Angeles Manhattan Beach. Comment
  RSA451547  Horkelia rydbergii L. E. Hoffman 1931-12-23 s.n. Los Angeles Chilao Flats, Angeles National Forest. 2134 Comment
  CAS-BOT-BC213008  Hosackia crassifolia Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains. Table Mountain, above Wrightwood, in yellow-Jeffrey pine forest. 2133 Comment
  RSA0011527  Hosackia oblongifolia var. oblongifolia Orlando Mistretta, Christine Mistretta 2011-6-23 5727 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA305978  Hulsea heterochroma J. L. Huber 1981-6-20 1806 Los Angeles Mt. Pacifico Rd., ca. 2 mi. north of Chilao Station, San Gabriel Mountains 1677 Comment
  POM184664  Hulsea vestita subsp. gabrielensis Joseph A. Ewan 1932-5-29 7216 Los Angeles Arrastre Canyon. 1402 Comment
  UCR185165  Hulsea vestita subsp. gabrielensis Naomi Fraga, B. Hogshead 2006-5-31 1684 Los Angeles San Gabriel Mountains, Along the Santa Clara Divide Road, between Indian Canyon and North Fork Station Comment
  UCD86579  Hyparrhenia hirta T. C. Fuller 1969-7-17 18682 Los Angeles Westwood. NW corner of Sunset Blvd. and Groverton St. Comment
  POM2955  Hypericum formosum var. scouleri Mary Parker 1897-6-23 931 Los Angeles Claremont. 366 Comment
  CAS-BOT-BC312939  Hypochaeris glabra Geo. B. Grant 1905-4-19 s.n. Los Angeles Garvanza Comment
  CATA2950  Isocoma menziesii var. decumbens Sarah Ratay 2011-8-16 144 Los Angeles Santa Catalina Island: Pebbly Beach Road, just E of Lovers Cove, on cliff at edge of road 5 Comment
  JEPS30527  Isocoma menziesii var. sedoides Henry J. Thompson 1958-10-23 1814 Los Angeles above the beach Point Dume; Santa Monica Mountains 30 Comment
  OBI69357  Isocoma menziesii var. vernonioides John Knapp, Denise Knapp 2002-11-27 11 Los Angeles Santa Catalina Island 366 Comment
  SBBG31376  Jaumea carnosa R. F. Thorne with P. C. Everett 1965-5-11 34537 Los Angeles inside Ballast Pt on E side of Catalina Harbor Comment
  RSA5881  Jaumea carnosa C. B. Wolf 1932-9-16 4099 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
  UCR102258  Juglans californica David Charlton 1989-4-30 2958 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  UC1018484  Juglans californica var. californica J. Warren 1952-4-24 Los Angeles Mulholland Drive 548 Comment
  UC57607  Juglans californica var. californica J. H. Barber 1897-4-4 125 Los Angeles Santa Monica Forestry Station Comment
  SD240766  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37166 Los Angeles San Gabriel Valley: Arroyo Hondo, near the shooting range, 0.42 miles due W of Rosemead Blvd., 0.26 miles due S of Hwy 60 (El Monte 7.5'Q) 64 Comment
  CAS-BOT-BC110040  Juncus acutus Le Roy Abrams 1901-5-28 1682 Los Angeles Ballona Harbor. Comment
  CATA116  Juncus acutus subsp. leopoldii Peter Henrikson 1987-5-8 87 Los Angeles Santa Catalina Island: Little Springs Canyon 30 Comment
  RSA102299  Juncus acutus subsp. leopoldii S. B. Parish 1882-10 657 Los Angeles Wilmington Comment
  UC1349332  Juncus acutus subsp. leopoldii Robert F. Thorne and P. Everett 1965-6-24 35037 Los Angeles just below dam in lower Cottonwood Canyon; Santa Catalina Island, Cottonwood Canyon 38 Comment
  SBBG57236  Juncus balticus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UC1971179  Juncus bufonius Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon Comment
  UCR272844  Juncus bufonius var. bufonius R. G. Swinney 2011-6-1 14939 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  POM1623  Juncus macrophyllus I. M. Johnston 1917-6-14 1342 Los Angeles West of Pomona. Comment
  RSA368068  Juncus macrophyllus L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  IRVC5043  Juncus mexicanus H. J. Thompson 1959-5-31 2052 Los Angeles East of junction of Latigo Canyon Road and Mulholland Highway, roadside ditch. 518 Comment
  RSA507547  Juncus mexicanus L. C. Wheeler 1967-8-24 10494 Los Angeles Angeles National Forest: SW slope of Mt. Waterman 2164 Comment
  SEINET3881668  Juncus rugulosus Timothy S. Ross, Peter Fritsch 1990-6-20 3593 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel River.; 0 445 Comment
  RSA782056  Juncus tenuis A. C. Sanders, T. B. Salvato 2009-5-20 36868 Los Angeles Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  CATA828  Juncus xiphioides Mark L. Hoefs 1991-6-17 1420 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon 329 Comment
  UCR219921  Juncus xiphioides R. G. Swinney, Jane Strong 2009-4-21 10400 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR243009  Juncus xiphioides R. G. Swinney 2009-8-6 11512 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  RSA547796  Juncus xiphioides Timothy S. Ross, Peter Fritsch 1990-6-20 3606 Los Angeles near confluence of E and W Forks of the San Gabriel River 466 Comment
  UC1106407  Juncus xiphioides Peter Kamb 1948-7-13 1211 Los Angeles Wildwood San Gabriel Mts., Big Tujunga Canyon 548 Comment
  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
  RSA0042971  Juniperus californica R. G. Swinney 2009-11-18 11659 Los Angeles summit of Oracle Hill, 1 air mi. ESE of junction of Angeles Forest Hwy & Soledad Canyon 1280 Comment
  RSA754607  Juniperus californica Robert F. Thorne, W. Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54949 Los Angeles 1/4-1/2 mi N of Bob s Gap, N slope of Holcomb ridge, c. 2 1/2 mi due S of Llano, E of Bob's Gap Rd 1159 Comment
  SFV293  Juniperus californica P. G. Kilburn 1957-12-1 561 Los Angeles Near Vincent on US #6, 1 block south of Vincent. Comment
  SEINET10613609  Juniperus californica William H. Brewer Brewer 110 Los Angeles California State Survey. In dry places near San Gabriel Canon. Sent by Prof. Brewer 1861. Comment
  SEINET8981245 Image available Juniperus chinensis Arboretum Staff 68 P934 Los Angeles Los Angeles, Los Angeles State and County Arboretum Comment
  UCD123743  Keckiella antirrhinoides Gordon Pilone 1960-4-16 9 Los Angeles wash area at Pomono College in Claremont. 365 Comment
  RSA401758A  Keckiella cordifolia F. R. Fosberg 1931-4-14 S- 4605 Los Angeles Eagles Nest. Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  RSA401765A  Keckiella cordifolia Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles. Comment
  RSA401771A  Keckiella cordifolia Christopher Davidson, B. Gustafson 1975-6-24 2873 Los Angeles Big Tujunga Canyon. On Road 2N78, ca. 5 mi. NE of Sunland. 686 Comment
  UC1043434  Keckiella ternata Richard M. Straw 1954-6-17 631 Los Angeles Tujunga Canyon San Gabriel Mts. (0.6 mi w of bridge on Angeles Crest Hwy) Comment
  RSA802448  Keckiella ternata subsp. ternata Orlando Mistretta, Christine Mistretta 2011-7-13 5945 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  RSA557842  Kochia californica D. Charlton 1989-4-21 2887 Los Angeles B St. from 120th to 140th, Southern Border of Base. 701 Comment
  UC7414  Kochia californica J. Burtt Davy May 9 1896-May 24 1896 2194 Los Angeles Antelope Valley Comment
  RSA718096  Koeleria macrantha R. G. Swinney, Dave Larson 1996-7-17 5115 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  SBBG72610  Krascheninnikovia lanata R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  SD31156  Lactuca serriola Edith A. Purer 1931-8-15 Los Angeles Palos Verdes Hills 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
  CATA1528  Lagunaria patersonia Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2749 Los Angeles Santa Catalina Island: Catalina Harbor at the Isthmus 3 Comment
  SEINET10598981  Lamarckia aurea Cyrus G. Pringle 1882-5-9 Pringle 15083 Los Angeles Comment
  RSA578639  Lamium amplexicaule Tim S. Ross, Darin Banks 1994-4-13 7535 Los Angeles Lower Clearwater Canyon: riparian strip and adjacent lower slopes; ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1. 674 Comment
  UC883161  Lamium amplexicaule Louis C. Wheeler 1932-3-30 796 Los Angeles 2 mi ne La Verne 373 Comment
  SD253562  Lantana camara R. G. Swinney 2011-3-18 14165 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshal Trail (Glendora 7.5'Q) 366 Comment
  RSA226019  Larrea tridentata Robert F. Thorne, C. W. Tilforth 1971-6-29 40662 Los Angeles San Gabriel Mountains, Angeles National Forest: Above Little Creek, just below Little Rock Forestry Station, 1/2 mile below Little Rock Dam 945 Comment
  CAS-BOT-BC412750  Lastarriaea coriacea Alice Eastwood 1906-5-27 57 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  SD186285  Lastarriaea coriacea Andy C. Sanders, Andy Thompson 2003-4-15 26016 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ca. 500 ft. south of the Magic Mountain theme park 351 Comment
  CAS-BOT-BC338114  Lasthenia californica A. J. Mc. 1893-3-25 s.n. Los Angeles Pasadena Comment
  HSC5148  Lasthenia californica C. S. Apperson 1967-6-3 Los Angeles 6 mi. E of Hwy. 99 on Ave. D Comment
  RSA709532  Lasthenia californica A. C. Sanders, Mark Elvin 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
  POM50717  Lasthenia coronaria L. R. Abrams 1901-04 1388 Los Angeles Monte Vista. Comment
  UC177497  Lasthenia coronaria Nuttall Los Angeles Gambell Angeles Comment
  LA203786  Lasthenia glabrata subsp. coulteri A. M. Johnson; 1934-4-3 4394 Los Angeles Del Rey Hills Comment
  RSA592363  Lasthenia gracilis Mark Hoefs 1974-3-28 412 Los Angeles Santa Catalina Island. Ridge above and north of Upper Bulrush Canyon 335 Comment
  SBBG12613  Lasthenia gracilis P. H. Raven 1962-4-11 17283 Los Angeles due W of Wall 2 9 Comment
  UC30431  Lasthenia gracilis J. H. Barber 1897-3-21 76 Los Angeles Soldier's Home Comment
  UCD133798  Lasthenia gracilis Daryl Koutnik; Bruce Holguin 1978-4-1 209 Los Angeles Sierra Pelona Valley, west side of Anthony road and north of Sierra Highway. 548 Comment
  RSA651391  Lathyrus laetiflorus subsp. barbarae P. H. Raven, Henry J. Thompson 1960-4-24 15119 Los Angeles Santa Monica Mountains, Decer [Decker] Road about 2 miles north of Coast Highway. 244 Comment
  RSA161233  Lathyrus tingitanus P. H. Raven 1962-5-20 17765 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  RSA405685  Lathyrus vestitus subsp. laetiflorus H. L. Bauer 1931-3-1 13947 Los Angeles Tunas Canyon near Topanga Canyon. Comment
  UC440406  Lathyrus vestitus subsp. laevicarpus Carl Epling and Lincoln Ellison 1929-3-16 Los Angeles Topanga Canyon Santa Monica Mountains Comment
  RSA656423  Lathyrus vestitus var. vestitus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 709 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
  UC864593  Lathyrus vestitus var. vestitus Marcus E. Jones, A. M. 1882-5-2 2688 Los Angeles Pasadena Comment
  UC1234699  Lathyrus vestitus var. vestitus Peter H. Raven 1962-4-10 17247 Los Angeles about 1.5 mi n Thirst (w side of San Clemente Island); San Clemente Island 457 Comment
  UC15382  Lathyrus vestitus var. vestitus W. H. Brewer Feb 1861 199 Los Angeles n slope San Fernando Valley Comment
  UC828933  Layia glandulosa Marcus E. Jones 1882-5-1 Los Angeles Los Angeles Comment
  CAS-BOT-BC321536  Layia glandulosa Timothy S. Ross 1995-4-26 8378 b Los Angeles Southwesterly slope of Liebre Mtn along Forest Service rd 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft.) 1444 Comment
  UC828946  Layia platyglossa F. R. Fosberg 1931-5-6 s 4814 Los Angeles Cape Canyon; Santa Catalina Island 200 Comment
  OBI15819  Layia platyglossa Bill Arbaugh 1966-4-16 36 Los Angeles W on 138 from Landcaster [Lancaster] 701 Comment
  SD90397  Layia platyglossa subsp. campestris Robert F. Thorne 1966-4-15 35996 Los Angeles San Clemente Island; rocky southwest facing bluff 0.67 mile southsoutheast of Eel Point. 74 Comment
  RSA248893  Layia platyglossa subsp. platyglossa R. F. Thorne 1973-4-12 42948 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  CATA540  Lepechinia fragrans Sara L. Crockett 1997-5-1 700 Los Angeles Santa Catalina Island: 0.2 mile W of jct. of White's Landing Road with Airport Road, SW side of road 463 Comment
  UCSB43766  Lepechinia fragrans Nakashima, L. 1982-4-18 Los Angeles On east side of Stage Road, 1.4 miles south-east of Catalina Airfield on Santa Catalina Island 457 Comment
  SBBG121654  Lepechinia rossii L. Gross, V. Arvizu, B. Hogshead 2005-5-24 2311 Los Angeles Ruby Clearwater Truck Trail, S of Ruby Cyn, N of Red Mtn; Liebre Mtns 788 Comment
  SD231266  Lepidium fremontii Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 104 Los Angeles Transverse Ranges; San Gabriel Mountains region: north side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  UC1595683  Lepidium fremontii W. Wisura and E. Roeder 1992-4-21 4691 Los Angeles 2.3 mi w Hwy. 138 (on Fort Tejon Rd, w Mohave); Mohave Comment
  RSA534117  Lepidium lasiocarpum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5100 Los Angeles San Clemente Island, N Head, WNW of the new Landing field 15 Comment
  SBBG112953  Lepidium lasiocarpum var. lasiocarpum S. A. Junak 1998-6-13 SCa 735 Los Angeles Little Harbor, above W end of beach 9 Comment
  CAS-BOT-BC329383  Lepidospartum latisquamum Marcus E. Jones 1924-9-10 s.n. Los Angeles Swartout Valley Comment
  CAS-BOT-BC174995  Lepidospartum squamatum A. C. Sanders 2003-3-14 25762 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
  RSA0022513  Lepidospartum squamatum Duncan S. Bell, Caitlin Elam 2013-6-24 5233 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  UC535338  Lepidospartum squamatum Ira W. Clokey, B. Templeton 1929-8-1 4598 Los Angeles Mandeville Canyon; Santa Monica Mts. 200 Comment
  RSA650355  Leptochloa fusca subsp. uninervia Nancy Gould 1977-5-13 27 Los Angeles Cal Poly Campus, Pomona. Comment
  UCD64011  Leptochloa fusca subsp. uninervia W. M. Phillipson 1914-6-1 s.n. Los Angeles south of San Gabriel. Comment
  POM65121  Leptosiphon androsaceus Minnie Reed 1897-6-26 11554 Los Angeles Pomona Cal. Comment
  POM3482  Leptosiphon aureus Henry M. Ford 1903-05 s.n. Los Angeles Collected near Pasadena. Comment
  UCR271195  Leptosiphon breviculus R. G. Swinney 2011-6-6 14988 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  SBBG64603  Leptosiphon chrysanthus subsp. chrysanthus M. N. Ackley -Apr-1926 820 Los Angeles Ranger Station, Big Tujunga 511 Comment
  RSA73042  Leptosiphon parviflorus F. W. Peirson 1919-5-18 4711 Los Angeles Hills east of Monrovia Canyon 457 Comment
  SD58153  Leptosyne bigelovii I. W. Clokey, B. C. Templeton 1930-4-8 4711 Los Angeles North of Elizabeth Lake. 800 Comment
  SEINET8483148 Image available Leptosyne bigelovii J. Henrickson 1973-5-12 9598 Los Angeles 6 air miles SE of Pearblossom, 4.6 road miles S of Llano in lower portion of Bob's Gap along 165 St 1234 Comment
  SBBG15973  Leptosyne douglasii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  SBBG95417  Leptosyne gigantea M. B. Dunkle 1929-4-7 2117 Los Angeles White's Landing Comment
  SDSU3798  Leptosyne gigantea Gerald Collier 1951-4-7 M 552 Los Angeles On Point Dume Beach, 2 miles west of U.S. Hwy 101. Comment
  CAS-BOT-BC339281  Lessingia glandulifera var. glandulifera F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  RSA586451  Lessingia glandulifera var. glandulifera Orlando Mistretta 1994-9-27 1503 Los Angeles San Gabriel Mountains; Little Rock Creek, N of Little Sycamore below jct. of 4N15 and 5N04.3 1159 Comment
  RSA588686  Lessingia glandulifera var. glandulifera Orlando Mistretta 1995-7-12 1905 Los Angeles San Gabriel Mountains. Little Rock Creek, Vincinity of Basin Campground. 1082 Comment
  RSA773979  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-7-22 11312 Los Angeles summit of Mt. Hillyer, north of Horse Flats 1866 Comment
  RSA711447  Leymus cinereus LeRoy Gross 2005-5-19 2296 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  RSA714880  Leymus condensatus A. C. Sanders 2003-5-22 26820 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
  CAS-BOT-BC274468  Leymus triticoides Edith A. Purer 1933-5-30 4999 Los Angeles Playa del Rey Comment
  SBBG33432  Leymus triticoides A. D. E. Elmer -Jun-1902 3652 Los Angeles Acton Comment
  SEINET10595922  Leymus triticoides Adolph D. E. Elmer Elmer 3652 Los Angeles Acton. Comment
  RSA68713  Lilium humboldtii subsp. ocellatum Raymond J. Dobbs 1924-6-30 5386 Los Angeles Stream trail, 1/4 mile N of Switzers Camp, San Gabriel Mountains. 930 Comment
  SBBG58687  Lilium humboldtii subsp. ocellatum M. N. Ackley -Jun-1922 Los Angeles Verdugo Hills Comment
  RSA469953  Linanthus aureus I. M. Johnston 1917-5-13 977 Los Angeles El Monte. 122 Comment
  UC879880  Linanthus aureus Alice Eastwood 1913-5-11 3182 Los Angeles San Fernando Wash Comment
  RSA755869  Linanthus breviculus R. G. Swinney 2008-7-15 9195 Los Angeles Winston Peak. 2275 Comment
  LA52339  Linanthus californicus C. L. Hogue; 1954-3-13 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  SD90160  Linanthus californicus Benjamin C. Stone 1954-3-13 507 Los Angeles Chap[arral hillsides west of Prado Dam, 7.0 miles west of Corona. 366 Comment
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Dec 3 2014
  CATA429  Linanthus dianthiflorus Sara L. Crockett, Sheila Schueller 1997-3-8 567 Los Angeles Santa Catalina Island: Valley of the Ollas, 2.8 miles W on Empire Landing Road from jct. with Airport Road; N side of road, ca. 200 m toward San Pedro Channel 268 Comment
  UCD118500  Linanthus dianthiflorus Daryl Koutnik 1978-3-16 119 Los Angeles South of intersection of Cornell and Agoura Roads. 274 Comment
  UCSB43817  Linanthus dianthiflorus Morales, M. 1982-4-18 Los Angeles 400 yards south of Catalina airfield 441 Comment
  UC908269  Linanthus dichotomus Herbert L. Mason 1926-4-27 3023 Los Angeles Rock Creek San Gabriel Mountains Comment
  HSC104237  Linanthus parryae R. G. Swinney 2009-4-24 10453 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR281298  Linanthus parryae R. G. Swinney 2014-4-18 16119 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
  RSA529136  Linanthus pungens T. S. Ross, S. D. Boyd 1991-7-24 5620 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  RSA400361  Linaria dalmatica Robert Kessler 1920-1 3385 Los Angeles Camp Sturtevant. [Santa Anita Canyon, San Gabriel Mts.] Comment
  RSA729537  Lithophragma affine R. G. Swinney 1998-6-16 6973 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  RSA468207  Lithophragma affine subsp. mixtum Freda Detmers 1929-4-13 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  SEINET12219414  Lithophragma affine subsp. mixtum J. F. Bright 1934-1 9243 Los Angeles Santa Monica Coast Range Comment
  RSA13697  Lobelia dunnii var. serrata L. C. Wheeler 1933-9-3 2101 Los Angeles Barrett Canyon off San Antonio Canyon. 1310 Comment
  UCR271207  Lobelia dunnii var. serrata R. G. Swinney 2011-11-1 15969 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  UCR222994  Lomatium dasycarpum R. G. Swinney 2009-5-6 10654 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  RSA97157  Lomatium dissectum var. multifidum F. W. Peirson 1929-6-30 8422 Los Angeles Aliso Creek at Tie Canyon 1357 Comment
  UCR209157  Lomatium lucidum Dan S. Cooper 2009-4-30 409- 18 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., NW shoulder of Cahuenga Peak, Griffith Park 511 Comment
  RSA0105323  Lomatium lucidum R. F. Thorne, A. C. Gibson 1971-5-22 39739 Los Angeles San Gabriel Mts., Angeles National Forest. Fish Canyon. 305 Comment
  RSA649697  Lomatium mohavense Michael Horn 1991-4-7 3 Los Angeles San Gabriel Mountains, Topo.: Mescal Creek. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile of the unnamed dirt road to site. 1463 Comment
  CAS-BOT-BC240499  Lonicera hispidula E. R. Blakley 1962-10-5 5421 Los Angeles 1/4 mile up canyon from Whites Cove at the water tank. Santa Catalina Island 30 Comment
  SBBG13637  Lonicera hispidula E. R. Blakley 1962-10-5 5421 Los Angeles 1.4 mi up cyn from White's Cove at the water tank 30 Comment
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Apr 16 2012
  RSA583075  Lonicera hispidula var. vacillans T. S. Ross 1993-4-22 6911 Los Angeles Santa Catalina Island: SW part of the island in Bullrush canyon; near dogleg. 236 Comment
  RSA550389  Lonicera interrupta T. S. Ross 1992-7-10 6639 Los Angeles Big Tujunga Canyon, 310m E of where Coldwater Canyon meets Big Tujunga Creek 963 Comment
  CAS-BOT-BC234855  Lonicera subspicata var. denudata Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Near Monrovia Comment
  RSA572378  Lotus argophyllus F. H. Elmore 1939-11-24 s.n. Los Angeles Northwest Harbor, San Clemente Island. Comment
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Feb 25 2014
  CDA972  Lotus argophyllus var. argenteus D. G. Kelch 1991-3-23 s.n. Los Angeles Catalina Island. East of Avalon. Comment
  UC80751  Lotus argophyllus var. argophyllus Katharine Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  UCR146203  Lotus crassifolius Scott D. White, Michael Honer 2004-8-11 10712 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  IRVC29547  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26155 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  RSA252909  Lotus humistratus R. F. Thorne 1973-5-11 43571 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  RSA755850  Lotus oblongifolius R. G. Swinney 2008-7-2 9140 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  SEINET3694431 Image available Lotus oblongifolius Victor Duran 1933-7-22 3528 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  RSA549529  Lotus procumbens var. procumbens T. S. Ross 1990-6-18 3447 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  UC284270  Lotus procumbens var. procumbens P. A. Munz 1923-5-27 6872 Los Angeles Rock Creek San Gabriel Mts. 1295 Comment
  UCR137719  Lotus procumbens var. procumbens L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Juniper Hills Road, Juniper Hills, just north of road 1372 Comment
  RSA724527  Lotus salsuginosus K. Dobry 1991-5-22 d- 661 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UCR190406  Lotus salsuginosus R. G. Swinney 2000-5-20 7691 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  RSA406857  Lotus scoparius Wm. Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  JEPS65172  Lotus strigosus W. L. Jepson 1935-4-17 17067 Los Angeles Portal Ridge Comment
  LA210146  Lotus strigosus O. H. Kappler; 1941-3-30 Los Angeles Santa Monica Mountains, West fork Las Trancas Canyon 365 Comment
  RSA406315  Lotus strigosus Louis Greata 1901-03 s.n. Los Angeles Garvanza Comment
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Nov 25 2011
  UC557699  Lotus strigosus Nell Murbarger Apr 1936 167 Los Angeles w side San Clemente Island Comment
  RSA533497  Lotus strigosus var. strigosus T. S. Ross 1991-3-9 4195 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyon. 290 Comment
  UCSC000922  Lotus strigosus var. strigosus Unknown 1975-5-16 34 Los Angeles desert foothills on the San Gabriel Mts. above Little Rock San Gabriel Mts., Little Rock Comment
  CLARK-A1528-2811  Lotus subpinnatus John C. Roos 1937-3-25 1686 Los Angeles Comment
  RSA90343  Lotus wrangelianus F. W. Peirson 1918-5-5 4072 Los Angeles along road to [Brents] on the Malibu, Santa Monica Mts. Comment
  CAS-BOT-BC201197  Lupinus Fred E. Burlew 1920-7-4 s.n. Los Angeles Mt. San Antonio, San Gabriel Mts. Comment
  UCR170625  Lupinus Alex R. Van Dam 2004-4-25 043 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCD105993  Lupinus albifrons Gordon Pilone 1960-4-26 15 Los Angeles Wash area at Pomona College, Claremont. 365 Comment
  RSA0061210  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042005 Los Angeles Old Ridge Rte. 376 Comment
  RSA0089524  Lupinus bicolor R. G. Swinney 2011-5-12 14702 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  RSA0106835  Lupinus bicolor R. G. Swinney 2011-5-10 14633 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  SEINET3371871  Lupinus bicolor G. Rink 2011-6-1 10573 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  SEINET3860264  Lupinus bicolor R. G. Swinney 2009-4-28 10505 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  RSA276038  Lupinus bicolor Jack Delaini 1974-4-30 144 Los Angeles Los Angeles County 808 Comment
  RSA659760  Lupinus bicolor Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 81 Los Angeles San Clemente Island. Comment
  RSA717064  Lupinus bicolor Andrea Edwards, Pam De Vries 2006-4-11 60 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SFV15550  Lupinus bicolor R. K. Stachelek 1992-4-4 4 Los Angeles Approximately 0.2 miles from intersection of Balboa and Foothill, on north side of Foothill next to roadside. Comment
  SEINET6932657  Lupinus bicolor subsp. pipersmithii W. P. Vestal, A. G. Vestal 1955-3-26 3488 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  RSA679928  Lupinus concinnus LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 935 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  SBBG113132  Lupinus concinnus S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 380 Los Angeles top of coastal bluffs above W end of beach at Little Harbor 51 Comment
  UCR182227  Lupinus concinnus R. G. Swinney 1998-4-14 6003 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA3738  Lupinus concinnus subsp. orcuttii Carl B. Wolf 1932-5-10 3529 Los Angeles At summit of Equestrian Trail back of Avalon, Santa Catalina Island. 305 Comment
  PASA657  Lupinus densiflorus var. mcgregorii Frank W. Peirson 1923-6-27 Los Angeles Rock Creek, San Gabriel Mts. Comment
  UCR132316  Lupinus excubitus John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  RSA0073382  Lupinus excubitus subsp. austromontanus Mitch Provance, Callen Huff 2009-4-28 10720 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086. 1371 Comment
  UCR259349  Lupinus excubitus subsp. austromontanus Mitch Provance, Callen Huff 2009-4-28 10720 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  CAS-BOT-BC216653  Lupinus excubitus subsp. hallii Alice Eastwood; John Thomas Howell 1937-4-26 3946 Los Angeles Mint Canyon Comment
  RSA0095318  Lupinus excubitus subsp. hallii Richard G. Swinney 2011-4-28 14526 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
  CAS-BOT-BC205410  Lupinus excubitus var. austromontanus Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  CAS-BOT-BC215333  Lupinus excubitus var. excubitus Ralph Hoffman 1929-4-26 s.n. Los Angeles Mint Canyon Comment
  SEINET10485313  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. Seeds from open field pollen vector. Comment
  UC15868  Lupinus formosus J. H. Barber 1892-6-29 213 Los Angeles near Acton; near Acton Comment
  SEINET8042182  Lupinus formosus G. B. Grant, W. Wheeler 1904-5-7 728 /6256 Los Angeles Glendora Comment
  UCD107946  Lupinus hirsutissimus Lionel A. Stange 1956-4-7 s.n. Los Angeles San Francisquito Canyon. Comment
  UCR256200  Lupinus hirsutissimus R. G. Swinney 2010-3-22 12012 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  CAS-BOT-BC211677  Lupinus longifolius Greene 1904-4-2 4098 Los Angeles Hills near Monrovia Comment
  SEINET10969982  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10969983  Lupinus longifolius Carl B. Wolf 1941-7-2 Wolf 18870 Los Angeles Field collected along Highway about 1 mi. E of La Crescenta. 488 Comment
  JEPS107993  Lupinus microcarpus var. densiflorus Rhonda Riggins 1981-5-24 1233 Los Angeles Roadside bank Co. Rd. N2, 0.5 mi S Jackson Road, 2.7 mi SE Hwy. 138. 1036 Comment
  OBI48495  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1349 Los Angeles W edge Antelope Valley, Ca 198 3.1 mi W jct Co. Rd N2 5.6 mi W Gorman Post Rd and I5 Comment
  UCSB31760  Lupinus peirsonii Griesel, Wesley 1962-6-27 Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  RSA783078  Lupinus sparsiflorus Pam De Vries 2011-4-20 7776 Los Angeles Western Transverse Range, SW portion of the Liebre Mountains; about 0.5 air miles NNE of the intersection of Copper Hill and San Francisquito Canyon Road 426 Comment
  RSA414360  Lupinus truncatus F. R. Fosberg 1931-3-23 4328 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 30 Comment
  SBBG80279  Lycium californicum F. C. Boutin 1967-4-24 1702 Los Angeles E side of island Comment
  CAS-BOT-BC140222  Lyonothamnus floribundus subsp. aspleniifolius Peter H. Raven 1962-5-9 17682 Los Angeles Above Mosquito Cove 274 Comment
  CATA2543  Lyonothamnus floribundus subsp. aspleniifolius Michael R. Benedict 1971-6-26 Los Angeles San Clemente Island: Near grove of Prunus, south fork of Eagle Canyon, northerly of triangulation point ""Gray"" 457 Comment
  SD85168  Lyonothamnus floribundus subsp. aspleniifolius Martin A. Piehl 1962-6-9 62321 Los Angeles Dry slope, head of canyon north of Chenity and south of Mosquito Cove, San Clemente Island 305 Comment
  UC11397  Lyonothamnus floribundus subsp. floribundus Blanche Trask July, 1896 Los Angeles Avalon Santa Catalina Island Comment
  CATA440  Lysimachia arvensis Sara L. Crockett, Mark Elvin 1997-3-17 579 Los Angeles Santa Catalina Island: 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road 335 Comment
  RSA698762  Madia elegans subsp. elegans LeRoy Gross, P. Morton 2004-6-10 1373 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  CAS-BOT-BC344382  Madia exigua Dr. A. Davidson 1891-1-1 s.n. Los Angeles Los Angeles Comment
  POM49828  Madia gracilis L. R. Abrams 1901-06 1710 Los Angeles Santa Monica Mts Comment
  RSA485418  Mahonia nevinii Steve Boyd, David Kelly 1986-6-20 1959 Los Angeles San Francisquito Cyn at LADWP pump station #2. Comment
  CAS-BOT-BC230902  Malacothamnus davidsonii Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Valley Comment
  LA47326  Malacothamnus fasciculatus David M. Bates; 1961-5-28 2493 Los Angeles Santa Monica Mountains, Mulholland Hwy, 0.4 mi. E of Malibu Lake 152 Comment
  RSA433293  Malacothamnus fasciculatus M. B. Dunkle 1928-5-12 1932 Los Angeles Empire Landing, Santa Catalina Island. Comment
  UCR88662  Malacothamnus fasciculatus Scott D. White 1995-10-19 3708 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA0096978  Malacothamnus fremontii Richard G. Swinney 2011-5-31 14909 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA570062  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4889 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA667897  Malacothamnus fremontii Michael Denslow, V. Soza 2002-7-10 694 Los Angeles North side of mountains. Road side; off Big Rock Creek road on the road to south fork campground. 1372 Comment
  SFV12562  Malacothamnus fremontii M. H. Grayum, D. L. Koutnik 1977-11-25 892 Los Angeles San Gabriel Mountains Vicinity of Vasquez Rocks, near Agua Dulce. 671 Comment
  UCR215255  Malacothamnus fremontii LeRoy Gross, Duncan Bell 2008-5-27 3423 Los Angeles Transverse Ranges; San Gabriel Mountains, East Mill Creek and Angeles Forest Highway, SW of Mill Creek Summit, along side of Road 4N18.1 1402 Comment
  IRVC27981  Malacothrix coulteri A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26112 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  UC1594391  Malacothrix foliosa Tim Ross and Elizabeth Kellogg 1992-4-13 6146 Los Angeles coastal terrace in vicinity Darter (nw part of island, (340 degrees nnw, 1140m distant from 199' BM near Flasher; ca 250 m nnw of the shifting sands)); San Clemente Island 18 Comment
  UC483369  Malacothrix foliosa L. R. Abrams and I. L. Wiggins 1931-7-6 339 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  SBBG43859  Malacothrix foliosa subsp. foliosa M. R. Benedict 1971-6-26 Los Angeles ca. 0.5 mi S of Wilson Cove Comment
  UCR281986  Malacothrix glabrata R. G. Swinney 2014-4-18 16118 A Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  RSA0103430  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-7-7 15418 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  SBBG18698  Malacothrix saxatilis var. tenuifolia E. R. Blakley 1963-4-9 5560 Los Angeles Pebbly Beach, S of Avalon 15 Comment
  SD39003  Malacothrix saxatilis var. tenuifolia Edith A. Purer 1931-6-19 Los Angeles Roadside south of Los Angeles. Comment
  JEPS66250  Malosma laurina W. L. Jepson 1908-7-13 3049 Los Angeles Santa Catalina, Avalon Comment
  RSA14396  Malosma laurina Elmer I. Applegate 1927-2-18 4977 Los Angeles Mandeville Canyon Comment
  RSA650020  Malosma laurina Claude T. Powers 1949-1-2 s.n. Los Angeles In vacant lot behind 5030 Angeles Crest, La Canada 512 Comment
  SD69511  Malva assurgentiflora Robert F. Thorne 1966-4-4 35794 Los Angeles Santa Catalina Island; Bird Rock, north of Isthmus Cove. 7 Comment
  SD90591  Malva assurgentiflora Robert F. Thorne 1970-3-6 39400 Los Angeles Santa Catalina Island; Indian Rock in Emerald Bay. 14 Comment
  SBBG131985  Malva parviflora S. A. Junak 1990-11-9 SCI 135 Los Angeles immediately below field station, at Camera Pad "Stone" 448 Comment
  HSC15990  Malva parviflora C. S. Apperson 1966-4-4 Los Angeles Pierce College Arboretum, Woodland Hills Comment
  POM178033  Malva parviflora J. Ewan 1931-5-11 4188 Los Angeles 1 mile N Van Nuys Estate, West 6th St. Comment
  UCR191730  Marah horrida A. C. Sanders 2008-4-23 35086 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  RSA533902  Marrubium vulgare Tim S. Ross, Orlando Mistretta 1991-5-17 5143 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
  UC57428  Matricaria discoidea J. H. Barber 1897-3-21 88 Los Angeles Santa Monica Forestry Station Comment
  RSA595158  Matricaria matricarioides Steve Boyd 1996-4-25 8703 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  POM362443  Matricaria matricarioides Robert Gustafson 1981-5-13 2210 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA624069  Matricaria matricarioides L. C. Wheeler 1967-5-18 9651 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  UC535512  Meconella denticulata Ira W. Clokey, B. Templeton 1929-4-1 4428 Los Angeles Mandeville Canyon Santa Monica Mtns 450 Comment
  UCD107736  Medicago lupulina Daryl Koutnik 1978-6-14 s.n. Los Angeles 6922 Hesperia Avenue, Reseda, CA. 213 Comment
  UCR261320  Medicago polymorpha R. G. Swinney 2010-3-13 11882 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  RSA12181  Medicago polymorpha Carl B. Wolf 1934-4-11 5635 Los Angeles Bryant Ranch, E of Long Beach, in 1.48 acre tract at 7th and Hathaway. 23 Comment
  RSA258364  Medicago praecox C. W. Tilforth 1972-6-20 596 Los Angeles NW edge of Reflection Pool Comment
  RSA657451  Melaleuca nesophila Robert F. Thorne 1979-5-28 19 Los Angeles Verdugo Mountains Region: Intersection of Haines Canyon Road and Day St., Upper Tujunga 671 Comment
  UCR178069  Melia azedarach LeRoy Gross 2002-3-31 502 Los Angeles Los Angeles Basin region, Big Tujunga Wash, southern front of the San Gabriel Mountains; Where the storm waters run down through Haines Canyon channel, east of Foothill Blvd. South side of wash 366 Comment
  UC625139  Melica imperfecta F. R. Fosberg 1931-3-19 S 4307 Los Angeles Hamilton Canyon; Santa Catalina Island 10 Comment
  UC818865  Melica imperfecta F. R. Fosberg 1931-3-31 S 4430 Los Angeles Avalon; Santa Catalina Island 8 Comment
  UCR92091  Melica imperfecta Scott D. White 1995-2-7 2532 Los Angeles San Gabriel Mtns., Santa Susana Mtns, Sunshine Canyon, directly west of Hwy I-5 just south of interchange with Hwy 14 457 Comment
  UCSB12229  Melica imperfecta Hochberg, Fred 1961-3-17 Los Angeles North slope 1/2 mile from Middle Ranch into Cape Canyon, Catalina Island Comment
  SEINET10926816  Melica imperfecta F. R. Fosberg 1931-4-29 Fosberg 54719 Los Angeles Between Cottonwood and Middle Ranch Canyons. Santa Catalina Island. South wall of draw near bottom. Upper Sonoran Zone. Comment
  RSA579233  Melilotus albus Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7418 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; southerly coastal bluffs near Inspiration Point. 21 Comment
  UCR210481  Melilotus albus R. G. Swinney 2008-12-2 9925 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR23894  Melilotus albus John C. Roos 1942-9-26 1729 Los Angeles Westwood Village, Los Angeles 90 Comment
  RSA151241  Melilotus albus Peter H. Raven 1962-7-10 17959 Los Angeles San Clemente Island, road near northwest end of island. Comment
  RSA592433  Melilotus albus L. C. Wheeler 1967-5-13 9496 Los Angeles On mesa between Little Dalton and Englewild canyons, in vicinity of abandoned lemon grove. 381 Comment
  RSA177712  Melilotus indicus Robert F. Thorne, Percy C. Everett 1965-5-11 34566 Los Angeles Santa Catalina Island. N beach of Little Harbor. 2 Comment
  POM348183  Melilotus indicus E. A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA625513  Melinis repens L. C. Wheeler 1945-1-28 5996 Los Angeles 200 E. Dartmouth Ave. La Verne. Comment
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Nov 23 2015
  UCR95770  Mentha canadensis Lauren Raz, Steve Boyd 1996-10-23 003 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  UCD168373  Mentzelia J. W. Barry 1980-4-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR193136  Mentzelia R. G. Swinney 1998-7-14 6448 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  RSA314595  Mentzelia albicaulis Robert F. Thorne, C. W. Tilforth 1973-4-20 43019 Los Angeles San Gabriel Mts., Mojave Desert Slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 Comment
  SBBG69294  Mentzelia albicaulis R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  RSA729600  Mentzelia congesta R. G. Swinney 1998-7-10 6383 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2. 2250 Comment
  RSA762063  Mentzelia dispersa Orlando Mistretta, Christine Mistretta 2008-5-16 3088 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 106 per TRTP Survey 2008), Upper Fish Canyon 1002 Comment
  CATA1883  Mentzelia micrantha Denise Knapp 2005-3-4 Los Angeles Santa Catalina Island: Airport Burn, near transect #8 342 Comment
  RSA599675  Mentzelia micrantha Steve Boyd, Lauren Raz 1997-5-6 9694 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA446791  Mentzelia montana Samuel R. Tyson 1943-9-1 s.n. Los Angeles Brown s Flat, San Dimas canyon. 1250 Comment
  RSA0042494  Mentzelia veatchiana Ed Kentner 2014-3-21 362 Los Angeles Western Mojave Desert, approx. 13 km east of Pearblossom, near the corner of Largo Vista Road and Avenue X-8. 1876 Comment
  CAS-BOT-BC435239  Mesembryanthemum crystallinum Peter H. Raven; Henry J. Thompson 1959-6-4 14328 Los Angeles Santa Monica Mountains. Point Dume 45 Comment
  UCR152459  Mesembryanthemum crystallinum A. C. Sanders, Lee Jones 2005-4-8 29320 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA155904  Mesembryanthemum nodiflorum P. H. Raven 1962-7-11 17995 Los Angeles upper end of first canyon south of Lemon Tank, San Clemente Island Comment
  LA209012  Micranthes californica Zaitlin; 1951-3-17 Los Angeles San Gabriel Mountains, Angeles Crest Highway S side 761 Comment
  UCR186895  Microseris douglasii A. C. Sanders 2006-4-14 32051 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA535299  Microseris douglasii subsp. platycarpha Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5329 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  POM363450  Microseris heterocarpa Anstruther Davidson 1894-04 s.n Los Angeles Elysian Park, Los Angeles Comment
  RSA0086544  Microseris lindleyi R. G. Swinney 2011-5-3 14565 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  UCR18015  Microseris lindleyi A. C. Sanders 1976-5-9 00817 Los Angeles Mojave Desert, Hwy 138 at the W end of the Antelope Valley 976 Comment
  UCR192572  Microseris lindleyi A. C. Sanders 2008-4-10 34829 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR259089  Microseris lindleyi R. G. Swinney 2010-5-12 12754 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  OBI70924  Microsteris gracilis Steve Boyd, Lauren Raz 1997-3-26 9327 Los Angeles Liebre Mts Region: Portal Ridge N of Lake Hughes, upper end of Myrick Cyn drainage along Lakeview Rd 1134 Comment
  RSA469892  Microsteris gracilis Fay A. MacFadden 1931-03 2599 Los Angeles Mint Canyon, Palmdale side. Comment
  SBBG122022  Mimetanthe pilosa A. Parikh, N. Gale 2004-6-2 2032 Los Angeles Santa Clara River in vicinity of confluence with Castaic Crk, Newhall Ranch 290 Comment
  CATA1993  Mimulus aurantiacus Steven A. Junak 1997-3-28 386 Los Angeles Santa Catalina Island: Avalon Canyon, along lower end of Hermit Gulch Trail, just uphill from creek crossing 137 Comment
  RSA0031725  Mimulus aurantiacus Scarlett Mellin 1994-5-28 9 Los Angeles Diamond Bar Hills. Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive. Comment
  OBI69264  Mimulus aurantiacus var. aurantiacus John Knapp, Denise Knapp 2003-4-13 30 Los Angeles Catalina Island Comment
  UC1215187  Mimulus aurantiacus var. parviflorus Peter H. Raven 1962-5-10 17731 Los Angeles w Thirst (Horse Canyon); San Clemente Island 274 Comment
  RSA532830  Mimulus aurantiacus var. pubescens Tim S. Ross 1991-8-14 5785 Los Angeles 0.48 mi E of Roundtop Truck Rd. 1917 Comment
  UC314538  Mimulus aurantiacus var. pubescens Marcus E. Jones, A. M. 1926-3-16 Los Angeles w Pomona Comment
  UCSB41772  Mimulus aurantiacus var. pubescens Lockyer, Jim 1970-3-9 Los Angeles In a canyon off of San Dimas Road; at the northern end of Puddingstone Dam 381 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
  RSA420687  Mimulus cardinalis N. C. Cooper 1949-6-29 4377 Los Angeles San Gabriel Canyon. 610 Comment
  RSA0110536  Mimulus floribundus R. G. Swinney 2010-6-1 13136 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UC444810  Mimulus floribundus Geo. B. Grant 1904-6-16 790 Los Angeles Pasadena Comment
  RSA604989  Mimulus floribundus Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA515211  Mimulus fremontii Steve Boyd 1986-3-30 1505 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  CATA355  Mimulus guttatus Mark L. Hoefs 1973-7-20 400 Los Angeles Santa Catalina Island: Along stream bed, by Edison pump station, upper Middle Ranch Canyon 274 Comment
  RSA729523  Mimulus guttatus R. G. Swinney 1998-8-6 6688 Los Angeles Falls Gulch, waterfall 100m above confluence with upper East Fork San Gabriel River. 1037 Comment
  UCR205716  Mimulus guttatus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36935 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA442763  Mimulus guttatus Geo. L. Moxley 1915-5-31 333 Los Angeles Falls of Santa Anita Canyon. Comment
  RSA641075  Mimulus johnstonii Orlando Mistretta, R. T. Hawke 1995-11-8 1951 a Los Angeles San Gabriel Mountains. Comment
  SFV17948  Mimulus johnstonii J. N. Hogue, J. D. Dilley 1998-8-8 125 .4 Los Angeles San Gabriel Mountains Along Forest Route 3N07 to South Mount Hawkins from Pine Flats and Crystal Lake. Along road/trail above Big Cienega. 1980 Comment
  RSA0056590  Mimulus johnstonii Robert F. Thorne 1971-6-26 40602 Los Angeles San Gabriel Mtns., Angeles National Forest: On summit of Mt. Wilson. 1738 Comment
  UCR273808  Mimulus moschatus R. G. Swinney 2011-6-15 15195 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  UC103805  Mimulus parishii Dr. A. Davidson Los Angeles Rock Creek Mohave Desert Comment
  RSA586478  Minuartia douglasii Orlando Mistretta 1995-6-20 1820 Los Angeles Bare Mountain Canyon. 1829 Comment
  RSA587367  Minuartia douglasii Orlando Mistretta 1995-4-25 1649 Los Angeles San Gabriel Mountains: Kitter Canyon 1220 Comment
  SEINET181917  Mirabilis californica I. W. Clokey, B Templeton 4499 Los Angeles Santa Monica Mts; Mandeville Canyon 350 Comment
  RSA592233  Mirabilis californica var. californica Louis C. Wheeler 1967-4-30 9245 Los Angeles Limekiln Canyon 549 Comment
  SFV1124  Mirabilis laevis R. L. Armacost May 1934 s. n. Los Angeles Playa del Rey. Hills east of Loyola University. 45 Comment
  UCR125247  Mirabilis laevis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25519 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  RSA0004393  Mirabilis laevis var. cordifolia M. B. Dunkle 1939-4-3 7234 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  SD52890  Mirabilis laevis var. crassifolia Peter H. Raven 1962-5-9 17655 Los Angeles San Clemente Island; on rocky slopes along road just north of Guds. 249 Comment
  SBBG69833  Mollugo verticillata Anstruther Davidson -Aug-1893 Los Angeles Garvanza Comment
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Nov 25 2011
  RSA733284  Monardella breweri R. G. Swinney 2001-5-17 7950 Los Angeles San Gabriel Mtns./Mojave Desert: Largo Vista area, along Panorama Rd. c. I mile west of Largo Vista Rd. 1338 Comment
  RSA583153  Monardella breweri subsp. breweri C. Epling 1937-5-9 s.n. Los Angeles Neenach, Antelope Valley. Comment
  UCLA63055  Monardella cinerea Mrs. H. E. Wilder 1905-8-1 1928 Los Angeles near summit Mt. San Antonio Comment
  SD82878  Monardella linoides Robert F. Thorne, M. Z. Thorne 1969-7-9 38538 Los Angeles San Gabriel Mts., Angeles National Forest: summit of Table Mt. above Big Pines Ranger Station 2133 Comment
  UCR78667  Monolopia lanceolata Wandalee Thompson 1964-4-13 96 Los Angeles Mojave Desert, foothills near Palmdale 945 Comment
  CAS-BOT-BC520322  Montia fontana R. G. Swinney 2011-6-23 15280 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek, 100--200 m S of Chilao Station 1569 Comment
  CAS-BOT-BC108999  Mucronea californica John Thomas Howell 1931-5-31 6619 Los Angeles San Gabriel Wash. Comment
  HSC83457  Muhlenbergia microsperma D. L. Koutnik 1978-5-2 460 Los Angeles Bell Canyon in the Simi Hills. 427 Comment
  POM220643  Muhlenbergia microsperma L. C. Wheeler 1932-8-9 1129 Los Angeles 2 miles SW [of] Azusa 107 Comment
  RSA660517  Muilla maritima Lori Ackerman, Gerald Braden 1988-4-22 18 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  CDA6603  Myoporum laetum T. S. Ross, J. M. Porter, G. Allan, Vanessa E. T. M. Ashworth, D. L. Banks, M. Tommerup 1994-3-28 7412 Los Angeles Palos Verdes Peninsula. Rancho Palos Verdes; un-named horseshoe-shaped canyon to the northeast of upper Forrestal Drive. Comment
  SD85078  Myriopteris newberryi E. R. Blakley 1963-12-7 6349 Los Angeles San Clemente Island, canyon between Pyramid Head and Cove, and south of Triangulation Point Guds 29 Comment
  RSA728998  Nama demissa Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1974 Los Angeles Fort Tejon Road. Comment
  POM353180  Nassella cernua Robert Gustafson 1978-6-1 978 Los Angeles Off dirt road leading into Hungry Valley, ca. .2 mile from the junction with thepaved 2-lane Peace Valley Rd., west of Gorman. 1220 Comment
  RSA726865  Nassella cernua Steve Boyd 2004-4-15 10901 Los Angeles Rowher Flats area, near off-highway vehicle staging areas at end of Angeles National Forest road 5N14. Comment
  UCSB22345  Nassella cernua Bridge, Phillip 1966-5-13 Los Angeles North end of Mill Creek Camp, east from its junction with Soledad Canyon Road, Angeles National Forest 640 Comment
  RSA187988  Nassella lepida R. F. Thorne, Percy C. Everett 1965-6-22 34889 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road. 243 Comment
  CAS-BOT-BC60411  Nasturtium officinale Carl B. Wolf 1932-5-12 3606 Los Angeles Santa Catalina Island. Middle Ranch Canyon near bridge on lower road to Isthmus. 30 Comment
  POM479  Nasturtium officinale W. R. Dudley 1896-6-12 4436 Los Angeles Gorman's Station Comment
  RSA188138  Nasturtium officinale R. F. Thorne 1966-4-28 36190 Los Angeles Santa Catalina Island: bottom of gully alongside small stream running S from Hay Press Reservoir. 396 Comment
  UCR154364  Navarretia A. C. Sanders 2005-5-5 29899 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA681844  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-11 9533 Los Angeles Liebre Mountains: Tapia Canyon. About 2 air miles east of Interstate 5 jtn. at Old Ridge Rt. 396 Comment
  LA206714  Navarretia atractyloides F. R. Fosberg; 1932-5-19 8185 Los Angeles at the mouth of San Dimas Canyon Foothill Blvd Comment
  RSA469839  Navarretia hamata subsp. hamata Anonymous 1889-06 s.n. Los Angeles River. [Possibly Los Angeles County] Comment
  RSA0106731  Nemacladus longiflorus var. breviflorus R. G. Swinney 2011-5-19 14791 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  RSA777927  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-5-19 5124 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  SEINET10461065  Nemacladus ramosissimus Munz 1920-5-2 MUNZ 3827 Los Angeles 457 Comment
  SEINET10939182  Nemacladus rubescens Hoffman 1929-5-20 HOFFMAN s.n. Los Angeles Roosevelt Comment
  UCSB31759  Nemophila maculata Risk, Paul 1963-5-15 Los Angeles Descanso Gardens; Native Plant section Comment
  UC24222  Nemophila menziesii Harley P. Chandler 1897-2-10 Los Angeles Claremont 365 Comment
  UCR269968  Nemophila spatulata R. G. Swinney 2010-6-1 13102 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  RSA737478  Nicotiana attenuata Philip A. Munz 1921-6-18 4567 Los Angeles head of Sheep Creek (north slope of San Antonio Mountains) 1524 Comment
  UCR204829  Nicotiana attenuata R. G. Swinney 2005-8-11 8468 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  SBBG31212  Nicotiana bigelovii R. F. Thorne with P. C. Everett 1965-2-22 34883 Los Angeles new rd along East Mtn (Peak) 128 Comment
  RSA507554  Oenothera californica subsp. californica Louis C. Wheeler 1967-8-8 10378 Los Angeles Angeles National Forest: Loomis Ranch, Alder Creek 1311 Comment
  POM201885  Oenothera elata subsp. hirsutissima L. M. Booth 1932-6-15 1190 Los Angeles East of Huntington Beach. Comment
  UC218024  Oenothera laciniata P. A. Munz 1922-7-17 6127 Los Angeles New York Ave. Pasadena Comment
  UCR23469  Oenothera rosea Alfred R. Roos 1958-6-17 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  CATA3489  Oenothera speciosa Olivia Reda, Jaimie Choi, Julia Parish 2017-6-7 003 Los Angeles Santa Catalina Island: Channel side; by the flag pole at White's Landing, about 10m west of beach 7 Comment
  SDSU1359  Opuntia littoralis R. M. Beauchamp 1967-3-19 338 Los Angeles Common plant in area one mile south of Sherman Field. San Clemente Island. Comment
  POM285264  Opuntia parryi Lyman Benson 1953-6-3 15133 Los Angeles Southeast of Indian Hill, Claremont. 427 Comment
  SEINET10447327  Opuntia vulgaris Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4881 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
  RSA584448  Oreonana vestita R. G. Swinney 1992-7-10 1847 Los Angeles Boundary between Los Angeles and San Bernardino counties. San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  CAS-BOT-BC502621  Orobanche bulbosa G. B. Grant 1902-5-14 s.n. Los Angeles Wash at Glendaora, Calif. [location corrected per label data by P.A. Munz, 1929] Comment
  RSA703896  Orobanche fasciculata Gary D. Wallace, Ann Hiller 1983-5-18 2036 Los Angeles San Gabriel Mountains, Angeles National Forest. Near mile post 22.82 along Angeles Forest Hwy. 945 Comment
  RSA402081  Orthocarpus purpurascens Unspecified 1884-4-30 s.n. Los Angeles [No location information provided.] Comment
  SEINET12270214  Orthocarpus purpurascens J. F. Bright, Wyman, C. 1933-1 8035 Los Angeles between Long Beach & Santa Monica Comment
  RSA310137  Osmorhiza berteroi Wayne E. Sawyer 1981-6-25 65 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2454 Comment
  RSA747071  Oxalis corniculata R. G. Swinney 2008-5-30 8883 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  UCR220240  Oxalis corniculata R. G. Swinney 2009-4-13 10332 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  RSA118116  Oxalis pes-caprae Robert F. Thorne, Percy C. Everett 1965-6-23 34986 Los Angeles Santa Catalina Island. At base of rocky bluff between Avalon Casino and St. Catherine Hotel 8 Comment
  UCR209936  Oxytheca caryophylloides R. G. Swinney 2008-7-15 9213 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  SD239863  Oxytheca parishii var. parishii R. G. Swinney 2008-7-25 9305 Los Angeles San Gabriel Mountains: Twin Peaks, east side (Waterman Mountain 7.5'Q) 2362 Comment
  UCR275502  Oxytheca trilobata D. E. Bramlet 2011-8-17 4930 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  UC519909  Packera breweri Carl Epling and Louise Wheeler 1933-6-4 1848 Los Angeles near Quail Lake; Sandberg 1310 Comment
  UC91674  Packera breweri T. S. Brandegee May 1893 Los Angeles Santa Maria Mountains Comment
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1
  CAS-BOT-BC316961  Packera ionophylla R. J. Dobbs 1927-6-29 s.n. Los Angeles Top, Strawberry Peak. 1874 Comment
  LA200722  Paeonia californica Kei Nakai; Frank Almeda 1976-4-5 TCSP 13 76 Los Angeles Santa Monica Mountains, Topanga Canyon, Topanga Canyon State Park, Entrada Rd, ca 0.25 mi from Topanga Canyon Blvd Comment
  POM156309  Paeonia californica L. R. Abrams 1903-3-11 3112 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  UCR124608  Paeonia californica I. W. Clokey, B. C. Templeton 1929-1 4447 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  POM305050  Paeonia californica Henry J. Ramsey, Henry J. Ramsey 1937-1-7 371 Los Angeles Altadena: Craig Avenue 396 Comment
  UCR127172  Panicum miliaceum subsp. miliaceum A. C. Sanders, Mark A. Elvin 2003-6-20 27003 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  JEPS51563  Papaver californicum Frank W. Peirson 1921-4-10 2397 Los Angeles San Gabriel Mountains, San Dimas Canyon San Dimas Canyon; San Gabriel Mountains, San Dimas Canyon 533 Comment
  UCD95988  Papaver californicum Gene Bishop 1994-5-19 T 7 Los Angeles Topanga Canyon, halfway between coast and Calabasas. Comment
  SD167330  Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley: Newhall Ranch, near mouth of Potrero Canyon. 259 Comment
  SBBG106896  Parietaria hespera var. californica M. L. Hoefs, R. F. Thorne 1996-4-6 3599 Los Angeles Pebbly Beach 6 Comment
  SBBG96960  Parietaria hespera var. californica S. Boyd with T. Ross, L. Arnseth 1990-4-8 4297 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  UC398764  Parietaria hespera var. hespera Katharine Brandegee 1916-1 Los Angeles Santa Catalina Island Comment
  RSA600907  Parietaria hespera var. hespera Louis C. Wheeler 1968-3-21 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of water supply tunnel above West Debris Basin, Brown School for Girls 457 Comment
  CHSC108506  Parietaria judaica R. E. Riefner Jr. 2007-3-10 07 -108 Los Angeles City of San Pedro, Cabrillo Beach Marina, Whalers Walk St. at Via Cabrillo Marina Dr., Berth 28. UTM 11S 0381098E 3731502N. 3 Comment
  UCR118161  Paspalum dilatatum Scott D. White 1997-5-8 5069 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  UCR19660  Paspalum dilatatum John C. Roos 1947-5-11 3605 Los Angeles Los Angeles; lawn in Hollenbeck Park 91 Comment
  SEINET10682087  Passiflora biflora S. Krosnick 2008-7-27 Krosnick 433 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #115C. in Honduras Comment
  CATA3297  Pectocarya linearis subsp. ferocula Amy Catalano, Jen Dreizehn 2017-3-16 014 Los Angeles Santa Catalina Island: About 70 m N of Empire Landing Rd., across road from Buffalo Springs Reservoirs 452 Comment
  LA81962  Pectocarya linearis subsp. ferocula O. H. Kappler; May 1941 105 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CDA999  Pectocarya linearis var. ferocula D. G. Kelch 1991-3-23 1306 Los Angeles Catalina Island. East of Avalon. Comment
  UC1971257  Pectocarya penicillata Louis C. Wheeler 1963-5-5 8251 Los Angeles SAN GABRIEL MOUNTAINS: Bear Creek, off West Fork San Gabriel River. Comment
  UCR120571  Pectocarya penicillata Steven R. Hill, K. Kramer 2001-4-22 33343 B Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR187121  Pectocarya penicillata A. C. Sanders 2006-4-10 31983 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
  UCR190418  Pectocarya penicillata R. G. Swinney 2001-4-18 7890 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR205683  Pectocarya penicillata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36920 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  SFV12045  Pectocarya platycarpa D. L. Koutnik 1978-3-23 126 Los Angeles North side of State Highway 18 and just west of the Los Angeles-San Bernardino County line. 960 Comment
  UCR153324  Pectocarya recurvata A. C. Sanders, T. B. Salvato 2005-4-26 29734 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  RSA586631  Pectocarya recurvata T. S. Ross, Steve Boyd 1991-3-23 4269 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development 926 Comment
  RSA0061142  Pectocarya setosa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6846 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA18947  Pectocarya setosa Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9474 Los Angeles Tejon Pass Lancaster road in western edge of yucca juniper forest, antelope Valley Comment
  RSA590522  Pectocarya setosa Orlando Mistretta 1994-3-30 972 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  JEPS10748  Pedicularis semibarbata Frank W. Peirson 1918-6-17 212 Los Angeles n slope North Baldy Baldy; San Gabriel Mountains 2743 Comment
  UCSB22527  Pedicularis semibarbata Wilken, Dieter 1968-7-9 Los Angeles Dawson Saddle along Highway 2 between Islip Saddle and Big Pines, San Gabriel Mtns. 2407 Comment
  RSA0115699  Pediomelum californicum Andrew C. Sanders 2006-5-16 32318 Los Angeles Transverse Range; Liebre Mtns. Region: 0.5 mi west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 960 Comment
  POM307091  Pellaea andromedifolia var. andromedifolia Henry J. Ramsey, Henry J. Ramsey 1939-1-1 1964 Los Angeles Eaton Canyon, Altadena. Comment
  RSA686906  Pellaea mucronata Albert J. Perkins 1913-2-23 s.n. Los Angeles Mt. Wilson Trail. Comment
  RSA747329  Pellaea mucronata subsp. mucronata R. G. Swinney 2005-8-11 8438 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA686918  Pellaea mucronata var. mucronata Thekla Mohr s.n. Los Angeles Eaton Canyon. Comment
  CATA1413  Pennisetum clandestinum Mark L. Hoefs 1995-11-10 2566 Los Angeles Santa Catalina Island: Emerald Bay, just above beach 6 Comment
  RSA412464  Penstemon caesius Fordyce Griffiths Jr. 1918-7-9 3307 Los Angeles Mt. Islip Ridge, San Gabriel Mountains 2591 Comment
  OBI2655  Penstemon centranthifolius Brian C. Miller 1963-6-15 s.n. Los Angeles Singing Springs Mill Crk Cyn, San Gabriel Mts 1219 Comment
  NY583855  Penstemon centranthifolius F. A. MacFadden 05 1933 10997 Los Angeles Tejunga Wash, off Radford Street, Roscoe Comment
  RSA649975  Penstemon centranthifolius Marion P. Harthill 1972-4-1 632 Los Angeles Mt. Wilson. Comment
  SD234196  Penstemon centranthifolius Virginia Pinkus Ryder 1964-6-20 234 Los Angeles Switzer's Camp. W. slope. 1067 Comment
  CHSC26125  Penstemon grinnellii var. grinnellii Marilyn Chase 1967-6-24 162 Los Angeles Ca. 50 mi. NNE of Azusa off Hwy. 2 on slope of ridge between Dawson Saddle and Throop Peak in San Gabriel Mtns. 1828 Comment
  RSA578330  Penstemon grinnellii var. scrophularioides Tim S. Ross, Steve D. Boyd 1994-5-4 7647 Los Angeles Vicinity of Grass Mountain: ridge descending ESE from the north summit of Grass Mtn - Leona Divide Truck Trail. 1274 Comment
  LA51906  Penstemon heterophyllus var. australis Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  CAS-BOT-BC174668  Penstemon labrosus Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8134 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  POM210819  Penstemon labrosus Victor Duran 1933-7-19 3519 Los Angeles Buckhorn, San Gabriel Mountains. 1982 Comment
  SEINET13276749 Image available Penstemon labrosus R. G. Swinney 2011-1 15717 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 (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
  POM17795  Penstemon labrosus Philip A. Munz 1923-8-31 7682 Los Angeles Blue Ridge, south of Swartout Valley, San Gabriel Mountains. 2576 Comment
  NY650494  Penstemon rostriflorus T. S. Ross 1991-8-14 5764 Los Angeles Roundtop [Mtn], San Gabriel Mountains: Chilao Flat USGS 7.5' quad 1828.8 Comment
  RSA532648  Penstemon rostriflorus Tim S. Ross 1991-8-14 5764 Los Angeles Roundtop [Mountain]: San Gabriel Mountains: Southwesterly ridge descending from the summit. 1829 Comment
  SFV16957  Penstemon rostriflorus J. N. Hogue, P. Wilson 1997-6-27 89 .1 Los Angeles San Gabriel Mountains Buckhorn Flat Campground. 1982 Comment
  UCR124574  Penstemon speciosus B. C. Templeton 1932-6-19 4923 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  UC1595306  Penstemon spectabilis Tim Ross 1992-4-27 6241 Los Angeles s side of mesa sw RSA grounds; Ontario USGS 7.5' quadrangle, Claremont, Indian Hill Mesa 393 Comment
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May 27 2008
  RSA401906  Penstemon spectabilis Glenn A. Gorelick 1966-4-5 s.n. Los Angeles Growing on moutain trail in sun, overlooking Ferndell, Griffith Park. Comment
  RSA0008518  Pentachaeta lyonii Katherine Brandegee s.n. Los Angeles Santa Catalina Island. Comment
  RSA0091974  Pentagramma triangularis R. G. Swinney 2011-11-1 15948 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0070819  Pentagramma triangularis Tim Ross, Steve Boyd 1994-5-4 7681 Los Angeles 'Dogwood Canyon': narrow canyon draining NE to Burns Canyon from the NE summit of Grass Mountain. 1267 Comment
  RSA747058  Pentagramma triangularis subsp. triangularis R. G. Swinney 2008-5-30 8899 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  SBBG38819  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1939-11-24 7341 Los Angeles head of canyon, Mosquito Summit Comment
  CAS-BOT-BC217831  Perideridia pringlei W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mt., Angeles National Forest 1645 Comment
  UC1611540  Perideridia pringlei Tim Ross, Orlando Mistretta, Alex Quici 1990-6-27 3931 Los Angeles n slope of mt. between Cow Spring Canyon and Horse Camp Canyon; Liebre Mountains, Liebre Mtn 7.5' USGS Quadrangle, Liebre Mt 1338 Comment
  HSC3899  Peritoma arborea David Porter 1965-4-24 Los Angeles 5 mi. SW of Sierra Hwy. on Escondido Canyon Rd. 915 Comment
  CATA1571  Perityle emoryi Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2839 Los Angeles Santa Catalina Island: Bluff southeast of Rippers Cove 6 Comment
  RSA150832  Perityle emoryi P. H. Raven 1962-5-9 17658 Los Angeles San Clemente Island, along road just north of Guds. 250 Comment
  RSA535737  Perityle emoryi Timothy S. Ross 1991-5-23 5486 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment. 44 Comment
  OBI10855  Persicaria lapathifolia H. E. McMinn 1924-7-23 1357 Los Angeles Along San Gabriel River near Whittier Comment
  RSA445156  Petalonyx thurberi subsp. thurberi W. Hutchinson 1923-5-1 s.n. Los Angeles Mint Canyon. Comment
  JEPS2131  Phacelia austromontana Frank W. Peirson 1921-7-3 2486 Los Angeles Trail ne of Rock Creek Divide (San Gabriel Mountains); San Gabriel Mountains 2133 Comment
  SD45361  Phacelia austromontana Lincoln Constance, Frank Peirson 1941-6-25 2855 Los Angeles San Gabriel Mts. north side of Vincent Gulch 2133 Comment
  JEPS1556  Phacelia brachyloba Ethel Rockwell 1851-1 969 Los Angeles w Glendale; Los Angeles River Comment
  LA38557  Phacelia cicutaria var. hispida W. R. Ernst; May 1947 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCD120312  Phacelia cicutaria var. hispida Collector unknown 1923-5-22 266 Los Angeles Eaton Canyon trail. 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
  UCR251886  Phacelia cicutaria var. hispida Victoria M. Woods, David G. Cook 2014-5-26 48 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Mount Baldy area, Potato Mountain Trail from Baldy Mtn. Rd turnoff 1043 Comment
  UCR273547  Phacelia cicutaria var. hispida R. G. Swinney 2011-6-22 15238 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  RSA529300  Phacelia cicutaria var. hispida Tim S. Ross 1991-4-8 4459 Los Angeles Elephant Hill: Western Pomona. 229 Comment
  RSA427695A  Phacelia ciliata Anstruther Davidson 1892-05 s.n. Los Angeles Cahuenga hills. Comment
  RSA765195  Phacelia cryptantha Justin M. Wood 2010-5-10 1598 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  RSA746565  Phacelia cryptantha Orlando Mistretta 1992-5-21 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  SD239786  Phacelia curvipes R. G. Swinney 2008-6-17 9027 Los Angeles San Gabriel Mountains: 2.3 miles north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway (Valyermo 7.5'Q) 1992 Comment
  SBBG126996  Phacelia davidsonii A. Parikh, N. Gale 2011-6-27 3511 Los Angeles upper Big Tujunga Cyn, 0.1 km W of Shortcut Station, 0.5 km N of St Hwy 2; San Gabriel Mtns 1277 Comment
  UC1375347  Phacelia davidsonii Robert F. Thorne 1971-6-26 39982 Los Angeles Charlton Flats San Gabriel Mts., Angeles National Forest (along stream bed in small gully) 1645 Comment
  CHSC100166  Phacelia distans John Dittes 2006-6-4 1389 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air-miles northwest of Chatsworth Highschool, ca. 0.9 air-mile west of Topanga Blvd., ca. 0.8 air-mile east x northeast of Santa Susana Pass. 381 Comment
  RSA632124  Phacelia distans Louis C. Wheeler 1968-4-17 s.n. Los Angeles Big Rock Creek 1 mile north of Big Rock Springs. 1143 Comment
  SEINET3245641  Phacelia distans R. G. Swinney 2008-1 8742 Los Angeles San Gabriel Mtns: Big Rock Creek at Paradise Springs, on campground property (Valyermo 7.5') 1469 Comment
  UCR95305  Phacelia distans L. C. Wheeler 1967-5-8 9328 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
  RSA579873  Phacelia egena Tim S. Ross, Steve D. Boyd 1994-5-24 7852 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  POM19226  Phacelia floribunda P. A. Munz 1932-4-8 6624 Los Angeles San Clemente Island. Comment
  UCR222845  Phacelia fremontii R. G. Swinney 2009-4-28 10559 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA182323  Phacelia grandiflora J. Olmstead 1962-4-30 3402 Los Angeles 1960 Johnston Peak fire, from west fork of San Dimas Creek to Wolfskill falls 457 Comment
  RSA427970  Phacelia grandiflora L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  SBBG119345  Phacelia grandiflora V. Soza with L. Gross 2001-5-14 1212 Los Angeles above Santa Anita Cyn, ca. 0.7 mi WNW of the Santa Anita Dam 762 Comment
  UC697769  Phacelia grandiflora Kay H. Beach 1943-6-17 1749 Los Angeles Tanbark Flat San Gabriel Mts. 822 Comment
  RSA729309  Phacelia imbricata subsp. imbricata R. G. Swinney 1998-7-2 6216 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UCR79367  Phacelia imbricata subsp. imbricata Steve Boyd, Orlando Mistretta 1993-6-3 8179 Los Angeles San Gabriel Mtns., N of Sylmar and south of Santa Clarita, within Tujunga Ranger District of the Angeles National Forest, north of Santa Clara Road (3N17.9), at head of eastern most canyons, 1/4 mi NE of May Canyon Saddle 1155 Comment
  LA38515  Phacelia longipes Martha Hilend; 1929-4-30 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA68362  Phacelia longipes Verne Grant 1951-7-17 16086 Los Angeles San Antonio Canyon. 1982 Comment
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Apr 24 2016
  RSA428054  Phacelia lyonii M. B. Dunkle 1929-4-25 2146 Los Angeles Middle Ranch Gorge, Santa Catalina Island. Comment
  SBBG96530  Phacelia lyonii M. C. Carroll 1990-9-29 3006 Los Angeles 1 mi W of Parson's Landing 121 Comment
  UCR209953  Phacelia mutabilis R. G. Swinney 2008-7-15 9227 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
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Nov 4 2018
  UCSB5426  Phacelia ramosissima Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  CAS-BOT-BC167229  Phacelia ramosissima var. latifolia A. C. Sanders; T. B. Salvato 2009-5-21 36898 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
  UCSB5446  Phacelia tanacetifolia Ralph, F. 1960-4-1 Los Angeles N side of Calif. Hwy. 138, 9.0 miles E of its jct. with the road to Valyermo and Big Pines E of Pearblossom and 0.6 miles W of the jct. of road to Victorville, Mojave Desert Comment
  SEINET12280407  Phacelia tanacetifolia J. F. Bright, Wyman, C. 1931-1 5476 Los Angeles near Pasadena Comment
  UC107523  Phacelia viscida T. S. Brandegee 1890-5-15 Los Angeles Santa Catalina Island Comment
  POM263275  Phacelia viscida J. C. Roos 1937-7-7 404 Los Angeles On earth fill, La Crescenta Comment
  SBBG98079  Phalaris lemmonii T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5180 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  SBBG13004  Phalaris minor E. R. Blakley 1962-10-4 5408 Los Angeles SE side of the Isthmus Cove 1 Comment
  LA202389  Phalaris paradoxa Arthur C. Gibson; 2005-6-17 5071 Los Angeles Comment
  UCR149538  Phlox diffusa R. G. Swinney 1997-6-25 5632 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  SBBG95478  Pholistoma auritum M. B. Dunkle 1929-4-7 2089 Los Angeles White's Landing Comment
  UCR200198  Pholistoma auritum Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 891 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Canyon SW of fire road south from Engleheard Canyon to powerlines 427 Comment
  RSA658222  Pholistoma auritum var. auritum Tim Turmezei 1988-3-2 20 Los Angeles Walnut Creek. Comment
  SD86350  Pholistoma auritum var. auritum R. Mitchel Beauchamp, M. Douglas 1972-3-24 3220 Los Angeles San Clemente Island, on shady canyon bottom 99 Comment
  UCR270063  Pholistoma auritum var. auritum R. G. Swinney 2011-3-17 14131 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  RSA459287  Pholistoma membranaceum Christopher Davidson 1973-4-7 1896 Los Angeles Bob s Gap Rd., ca 3 mi toward desert, 3 mi south of Hwy. 138 (Pearblossom Hwy). 1098 Comment
  RSA576175  Pholistoma racemosum Reid V. Moran 1941-3-1 663 Los Angeles Arrow Point, Santa Catalina Island. 200 Comment
  SBBG19148  Pholistoma racemosum M. A. Piehl 1965-12-7 631070 Los Angeles point across SE tip of island from Pyramid Head 7 Comment
  CAS-BOT-BC135285  Phoradendron bolleanum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3388 Los Angeles Little Rock Creek, Joshua Tree Campground on the SW side of Little Rock Reservoir; San Gabriel Mountains 1002 Comment
  RSA133180  Phoradendron macrophyllum Del Wiens 1958-12-10 2427 Los Angeles Cobal Canyon north of Claremont. 427 Comment
  UCR124593  Phoradendron villosum B. C. Templeton, I. W. Clokey 1930-4-8 1063 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  RSA623943  Phyla nodiflora C. J. Fotheringham 1996-4-23 118 Los Angeles N. E. corner of Toland Way and Armadale, Eagle Rock 600 Comment
  RSA684039  Phyllospadix torreyi E. Yale Dawson 1958-5-21 19190 Los Angeles Malibu beach, 0.8 mi W of Las Flores Canyon Rd. Station 18; 225-250 from shore base point; mean low water level and below. Comment
  UC1004312  Pickeringia montana var. montana J. Warren 1952-5-27 Los Angeles Las Flores Canyon; roadcut 457 Comment
  RSA187693  Picris echioides R. F. Thorne 1966-9-14 36664 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA190941  Picris echioides R. F. Thorne 1967-5-19 36890 Los Angeles Santa Catalina Island, Little Harbor 8 Comment
  RSA788823  Pinus flexilis Jane Tirrell 2012-7-10 LS 0099 Los Angeles At a saddle along Pacific Crest Trail approx. 0.75 mi west of Mt, Hawkins 2542 Comment
  RSA0047921  Pinus lambertiana R. G. Swinney 2010-9-23 13872 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  UCR223346  Pinus lambertiana R. G. Swinney 2009-7-29 11430 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR149006  Pinus monophylla June Latting 1973-1-7 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek, Pseudotsuga study site, Fenner Canyon 1707 Comment
  CATA1151  Piperia cooperi Mark L. Hoefs 1995-5-23 2142 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  RSA382801  Piperia cooperi F. R. Fosberg 1931-4-7 S 4495 Los Angeles Hamilton Beach, Santa Catalina Island 20 Comment
  RSA679310  Piperia cooperi Mark Elvin, Janet Takera, Mary Meyer, Shelia Shyler, Sarah Crockett 1997-3-16 369 Los Angeles Santa Catalina Island. Hermit Gulch Trail. ~ 1/3 way down on up side of trail. Comment
  RSA593451  Plagiobothrys arizonicus Steve Boyd 1996-4-24 8652 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA599776  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-3-25 9270 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
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Dec 20 2007
  SEINET3860017  Plagiobothrys arizonicus R. G. Swinney 2009-4-24 10450 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  UCR184045  Plagiobothrys arizonicus A. C. Sanders 2007-4-19 33431 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR189249  Plagiobothrys arizonicus R. G. Swinney 1998-5-16 6079 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  POM246603  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-4-6 696 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  SBBG125471  Plagiobothrys collinus var. fulvescens A. Parikh, N. Gale 2010-6-18 3340 Los Angeles upper Big Tujunga Cyn, 0.9 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  RSA177838  Plantago coronopus Robert F. Thorne, Percy C. Everett 1965-5-11 34544 Los Angeles Santa Catalina Island. Salt flat N of Catalina Harbor. Comment
  SBBG17133  Plantago coronopus S. A. Junak with M. L. Hoefs, M. Gay 1997-6-6 SCa 447 Los Angeles old rd above W end of White's Landing, overlooking Balboa Yacht Club, W of summit of trail 42 Comment
  POM243770  Plantago erecta F. R. Fosberg 1931-4-23 S- 4689 Los Angeles Santa Catalina Island. Headwaters of Swain's Canyon, NE slopes of Black Jack Mountain. 350 Comment
  POM47626  Plantago erecta L. R. Abrams 1901-4-1 1210 Los Angeles Ballona Harbor. Comment
  RSA401970A  Plantago erecta M. B. Dunkle 1939-4-6 7324 Los Angeles San Clemente Island. Mosquito Ridge. Comment
  RSA523557  Plantago erecta F. W. Peirson 1919-3-27 329 Los Angeles Arroyo Seco near Pasadena 412 Comment
  RSA250525  Plantago major Robert F. Thorne, John Dourley 1967-10-10 37331 Los Angeles San Gabriel Mtns., Angeles National Forest: Jackson Lake. 1867 Comment
  SEINET10297788  Platanthera dilatata var. leucostachys Unknown 1962-1 Los Angeles Comment
  RSA733575  Platanthera sparsiflora Richard G. Swinney 1998-7-29 6547 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  UCR193153  Platanthera sparsiflora R. G. Swinney 1999-8-14 7624 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
  CAS-BOT-BC93187  Platanus racemosa Joseph Andorfer Ewan 1937-8-23 11050 Los Angeles San Gabriel Mountains. Tijuga Creek near mouth of canyon. Comment
  RSA0022374  Platanus racemosa Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5134 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  CAS-BOT-BC91677  Platystemon californicus I. Johnston 1917-4-11 s.n. Los Angeles Near Nigger Slough [locality name change to'Laguna Dominguez']. Comment
  UCR65244  Pluchea sericea F. R. Fosberg 1931-4-3 S- 04479 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach 2 Comment
  RSA596480  Poa annua L. C. Wheeler 1967-5-24 9711 Los Angeles San Gabriel Mountains. Indian Canyon Campground' 822 Comment
  UC185565  Poa howellii T. S. Brandegee 1890-5-16 Los Angeles Catalina Isl Comment
  RSA592256  Poa secunda L. C. Wheeler 1967-5-12 9470 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA592894  Poa secunda L. C. Wheeler 1967-4-30 9224 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  RSA679138  Poa secunda Valerie L. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 1463 Los Angeles Along Sunset Peak Road, 2.8 km ESE from Glendora Ridge Road. 1494 Comment
  RSA596061  Poa secunda L. C. Wheeler 1967-5-8 9357 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  UCD92410  Poa secunda subsp. juncifolia R. Tofsrud 1949-4-1 s.n. Los Angeles Highway 138, between Pearblossom and Cajon. Comment
  LA33428  Poa secunda subsp. secunda Peter H. Raven; 1959-5-3 14086 Los Angeles SANTA MONICA MOUNTAINS, Woodrow Wilson Dr, 1.2 mi E of Laurel Canyon. 350 Comment
  UC1971500  Poa secunda subsp. secunda Louis C. Wheeler 1973-4-21 s.n. Los Angeles FOOTHILLS OF SAN GABRIEL MOUNTAINS: 2 miles northeast Vincent. Comment
  RSA772361  Polycarpon tetraphyllum R. G. Swinney 2009-5-8 10699 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR11363  Polycarpon tetraphyllum O. F. Clarke 1968-9-14 s.n. Los Angeles Los Angeles, 2921 S Sepulveda Blvd, near the interchange of the Santa Monica (I-10) and the San Diego (405) Fwy 39 Comment
  UCD98418  Polycarpon tetraphyllum Daryl Koutnik 1978-5-14 s.n. Los Angeles 6922 Hesperia Avenue, Reseda. 213 Comment
  RSA305067  Polygonum aviculare subsp. aviculare Dave Dunn 1941-3-3 696 Los Angeles Pacific Electric tracks on Santa Monica Blvd. 2 blocks east of Sepulveda. Comment
  RSA579561B  Polygonum aviculare subsp. depressum Tim S. Ross, S. D. Boyd 1994-9-20 8255 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  JEPS50628  Polygonum lapathifolium Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  RSA608230  Polygonum lapathifolium Louis C. Wheeler 1946-9-2 6334 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  RSA466405  Polygonum persicaria Robert Gustafson 1981-4-26 2226 Los Angeles Ballona Wetlands, Area 2. Infrequent along the Centinella Creek drainage ditch est of the Gas Co. installation. Comment
  CAS-BOT-BC71896  Polypodium californicum John H. Thomas 1956-11-8 6468 Los Angeles San Gabriel Mountains, western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 Comment
  LA33811  Polypodium californicum Henry J. Thompson; 1959-2-20 1834 Los Angeles Santa Monica Mountains, La Tuna Canyon, 0.5 mi above ocean 76 Comment
  UC1584712  Polypodium californicum Tim Ross 1991-3-24 4300 Los Angeles small canyon that drains n to Turnbull Canyon from the nw side of Workman Hill; Whittier Hills (Puente Hills, pro parte) 341 Comment
  RSA329725  Polypodium californicum Gary D. Wallace 1966-3-25 222 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  UCSB62345  Polypodium californicum Kiefer, Lawrence 1967-1-28 Los Angeles San Gabriel Mtns., NW of Sunland, Oak Springs Canyon, tributary of Little Tujunga Canyon, Oak Springs 822 Comment
  UCSB62470  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  RSA151230  Polypogon monspeliensis P. H. Raven 1962-4-9 17127 Los Angeles Wilson Cove, San Clemente Island 61 Comment
  UCR252758  Polypogon monspeliensis R. G. Swinney 2010-9-1 13650 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA385492  Polypogon viridis F. R. Fosberg 1930-6-26 S- 3030 Los Angeles Lower Ballona Creek. 8 Comment
  RSA395490  Polypogon viridis Stone 1936-4-15 s.n. Los Angeles Inglewood. Comment
  CAS-BOT-BC72260  Polystichum imbricans subsp. curtum Geo. B. Grant 1901-7-27 4475 Los Angeles Sturtevant Camp Comment
  SEINET11714697  Polystichum munitum Unknown 1936-1 12591 Los Angeles Westwood, Los Angeles Comment
  POM198002  Populus X parryi Joseph A. Ewan 1932-4-22 7181 Los Angeles Aong Los Angeles River, San Fernando Valley. Comment
  OBI71042  Populus fremontii Larry Kelly, David J. Keil 1988-4-16 36 Los Angeles Little rock Campground Comment
  LA200830  Populus trichocarpa A. M. Johnson; 39 Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, Griffith Park Comment
  SEINET3892989  Potamogeton pectinatus Louis C. Wheeler 1945-8-15 6088 Los Angeles El Monte: Lake Shangri-La. Margin of sunny lake.; 0 Comment
  RSA430225  Potamogeton pusillus D. Thomason 1987-6-17 s.n. Los Angeles Lake Elizabeth, ca. 15 mi. W of Lancaster at head of Leona Valley. Comment
  RSA774790  Potentilla glandulosa R. G. Swinney 2009-7-23 11390 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  JEPS44949  Prunus emarginata Frank W. Peirson 1919-6-16 492 Los Angeles South Fork Rock Creek 1828 Comment
  RSA586349  Prunus fasciculata var. fasciculata Orlando Mistretta 1995-3-17 1546 Los Angeles Slopes northwest of Little Rock Reservoir, on Emma section of Little Rock Creek Management Unit. 1128 Comment
  CAS-BOT-BC154565  Prunus ilicifolia subsp. lyonii L. R. Abrams; I. L. Wiggins 1931-7-6 386 Los Angeles Vicinity of Mosquito Harbor. San Clemente Island Comment
  SBBG12786  Prunus ilicifolia subsp. lyonii E. R. Blakley 1962-10-4 5418 Los Angeles above Howland's Landing at Sullivan's Beach 6 Comment
  SBBG38908  Prunus ilicifolia subsp. lyonii M. Van Rensselaer 1937-7-1 Los Angeles Cherry Valley Comment
  RSA444785  Prunus lyonii Lyman D. Benson 1960-7-20 16077 Los Angeles Pomona College campus, Pacific Slope, Claremont. 366 Comment
  RSA454150  Prunus lyonii M. B. Dunkle 1931-3-30 2156 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC154777  Prunus virginiana var. demissa Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3368 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1731 Comment
  LA32061  Pseudognaphalium biolettii Peter H. Raven; 1959-2-15 13786 Los Angeles Santa Monica Mountains, Brown Canyon, 2.6 mi N of Sunset Blvd on Beverly Glen Blvd 213 Comment
  SD186104  Pseudognaphalium biolettii A. C. Sanders 2003-3-14 25759 Los Angeles Abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel. 519 Comment
  SD90449  Pseudognaphalium biolettii Robert F. Thorne, M. Z. Thorne 1973-2-12 42467 Los Angeles Santa Catalina Island; north of Marine Science Station at Fishermen's Cove 45 Comment
  RSA52150  Pseudognaphalium biolettii I. L. Wiggins 1949-2-21 11957 Los Angeles San Clemente Island: Wilson's Cove Comment
  SEINET4049326 Image available Pseudognaphalium californicum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 350 Comment
  SBBG31307  Pseudognaphalium luteoalbum R. F. Thorne 1966-9-14 36648 Los Angeles behind Ben Weston Beach 3 Comment
  UC1118463  Pseudognaphalium thermale L. M. Correll 1928-1-13 6 Los Angeles Head of Stoddard Canyon Angeles National Forest, Cucamonga Quad., Head of Stoddard C 1219 Comment
  CAS-BOT-BC80057  Pseudotsuga macrocarpa E. W. Lathrop 1976-11-1 7603 Los Angeles North slope of Pleasant Peak, Main Divide Truck Trail Comment
  HSC12362  Pseudotsuga macrocarpa Wendell Wood 1970-6-24 61 Los Angeles Angeles Crest Hwy. 6 mi beyond intersection with Foothill Blvd. 762 Comment
  LA94227  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-12 1711 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, ca 0.25 mi from mouth. 91 Comment
  RSA188334  Pteridium aquilinum var. pubescens R. F. Thorne, M. Z. Thorne 1966-5-31 36429 Los Angeles Santa Catalina Island: Fern Canyon 228 Comment
  RSA656942  Pteridium aquilinum var. pubescens Valerie L. Soza, LeRoy Gross 2000-6-13 998 Los Angeles San Gabriel Mountains: Spring along Burkhart Trail (FS Trail 10W02), from Buckhorn Flat to Cooper Canyon, ca. 0.8 mile along trail from Buckhorn Flat trailhead. 1845 Comment
  SEINET3151321  Pteridium aquilinum var. pubescens G. B. Grant 1904-7-23 1063 Los Angeles Mt. San Gorgonio 2286 Comment
  CATA1202  Pterostegia drymarioides Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-6 2252 Los Angeles Santa Catalina Island: Divide road, above Avalon Canyon 371 Comment
  UC6924  Pterostegia drymarioides A. J. McClatchie 1893-5-1 10 Los Angeles near Pasadena Comment
  RSA624050  Pterostegia drymarioides Louis C. Wheeler 1967-5-23 9708 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  CATA1766  Pulicaria paludosa Benjamin E. Carter, John Clark & Elizabeth Baniaga 2012-7-24 6907 Los Angeles Santa Catalina Island: Big Springs, at road crossing just east of Little Harbor 3 Comment
  UC1234711  Pycnanthemum californicum D. Gregory 1961-8-10 482 Los Angeles just above the bottom Coldwater Canyon (sw of Mt. San Antonio); San Gabriel Mountains, sw of Mt. San Antonio Comment
  UC75255  Pycnanthemum californicum C. F. Baker 1903-8-2 3449 Los Angeles San Antonio Canyon near Claremont; San Antonio Canyon near Claremont Comment
  RSA188264  Quercus X macdonaldii Robert F. Thorne 1966-4-28 36189 Los Angeles Santa Catalina Island: bottom of gully alongside small stream running S from Hay Press Reservoir. 396 Comment
  SD1074  Quercus agrifolia Mary S. Snyder Los Angeles Claremont Comment
  SFV867  Quercus agrifolia P. G. Kilburn 1958-2-23 620 Los Angeles Santa Susana Mountains Oat Mountain. North slope of mountain near crest. 950 Comment
  RSA476843  Quercus agrifolia var. agrifolia Anstruther Davidson 1891-1 s.n. Los Angeles Pasadena. Comment
  POM18619  Quercus berberidifolia E. S. Spalding 1921-4-9 s.n. Los Angeles Ganesha Hills, Pomona. Comment
  UCSB34839  Quercus berberidifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona 274 Comment
  RSA475269  Quercus chrysolepis Mark Hoefs 1974-10-3 594 Los Angeles Upper Fern Canyon-ridge between Mt. Orizaba & Mt. Banning [Santa Catalina Island] 549 Comment
  SBBG26454  Quercus chrysolepis R. F. Thorne with M. Z. Thorne 1966-5-31 Los Angeles ridge running from S end of Mt Orizaba, S side of S fork of Fern Cyn 487 Comment
  SBBG89560  Quercus chrysolepis J. Adams 1965-5-14 223 Los Angeles Mt San Antonio Cyn, 2.7 mi above lower San Antonio forest Stn 1011 Comment
  SEINET5792293 Image available Quercus chrysolepis Marcus E. Jones 1882-1 3035 Los Angeles Pasadena, California Comment
  UC56659  Quercus dumosa Ernest Braunton Jun 1902 484 Los Angeles Griffith Park Cahuenga Hills Comment
  CHSC96046  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 307 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek. 762 Comment
  POM186286  Quercus durata var. gabrielensis Joseph A. Ewan 1933-7-4 7852 Los Angeles Sturdevant Trail, Santa Anita Canyon, San Gabriel Mountains 1067 Comment
Read comments
Feb 3 2011
  RSA339682  Quercus durata var. gabrielensis Robert F. Thorne 1980-3-23 54013 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  RSA476760  Quercus durata var. gabrielensis Bonnie C. Templeton 1929-12-15 1448 Los Angeles Arroyo Seco, near Camp Switzers. 900 Comment
  RSA639160  Quercus durata var. gabrielensis Valerie L. Soza, LeRoy Gross 1999-7-15 636 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. 823 Comment
  RSA733304  Quercus durata var. gabrielensis Susan Grose, Lauren Braccio, LeRoy Gross 2007-11-11 184 Los Angeles Monrovia, Hidden Valley Canyon. 278 Comment
  RSA87162  Quercus durata var. gabrielensis F. W. Peirson 1919-5-14 376 Los Angeles East trail to Mt. Lowe 640 Comment
  SFV21092  Quercus durata var. gabrielensis L. Gross, V. Soza, N. Gilbert 2000-10-18 278 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. Roadside near above coordinates. 610 Comment
  UCR272315  Quercus durata var. gabrielensis Mitch Provance 2016-3-1 316- 23 Los Angeles San Gabriel Mountains, Altadena, lower slopes just NE of Canon Blvd. and Devonwood Rd. 570 Comment
  CAS-BOT-BC94177  Quercus engelmannii Geo. B. Grant 1904-6-14 1091 Los Angeles at Monrovia Comment
  OBI2782  Quercus engelmannii L. Enari 1969-7-24 s.n. Los Angeles Arcadia, Talac Knoll, Los Angeles State & County arboretum Comment
  POM295276  Quercus engelmannii Lyman Benson 1949-10-20 14268 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  RSA610962  Quercus engelmannii Louis C. Wheeler 1936-1-19 4074 Los Angeles Monrovia: Edge of San Gabriel Mountains, just above Pottinger Sanitarium. 290 Comment
  RSA640524  Quercus engelmannii R. N. Philbrick, Robert F. Thorne 1967-5-18 B 67 -208 Los Angeles Santa Catalina Island, South of road, upper middle Bull Rush Canyon, Salta verde. Comment
  SD181500  Quercus engelmannii LeRoy Gross 2001-3-23 344 Los Angeles Los Angeles Basin, Verdugo Mountains region, north side, Whiting Woods Mountainway, dirt road at end of Whiting Woods Road, in the city of Verdugo City, road starts at Henderson Canyon and climbs to the main crest. On sunny ridge just above road. 487 Comment
  SEINET3090844 Image available Quercus ilex M. Van Rensselaer 1947-9-17 1925 Los Angeles 200 block, Oak Street, Whittier. Comment
  POM11588  Quercus kelloggii P. A. Munz 1921-6-17 4663 Los Angeles San Antonio Mountains, Swartout [Swarthout] Valley. 1829 Comment
  UC1135652  Quercus kelloggii A. D. Gifford 1935-4-15 587 Los Angeles w end top of Liebre Mtn.; Angeles National Forest, Tejon Quad. 1645 Comment
  CDA21991  Quercus pacifica J. M. Tucker 1992-4-1 s.n. Los Angeles Channel Islands; Santa Catalina Island; Above Cherry Valley Creek, roughly 1.5 miles northwest of the isthmus, 1/4 mile above road; elev. 300 ft Comment
  CAS-BOT-BC258377  Quercus tomentella P. S. Manos 1988-10-28 679 Los Angeles San Clemente Island, Stone Canyon 182 Comment
  POM204486  Quercus tomentella P. A. Munz 1923-4-10 6693 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  RSA477291  Quercus tomentella M. B. Dunkle 1928-11-2 2027 Los Angeles Santa Catalina Island, Gallager's Canyon Comment
  RSA479367  Quercus tomentella Mark Hoefs 1974-10-2 568 Los Angeles Santa Catalina Island, side canyon below Renton Mine 91 Comment
  RSA544539  Quercus tomentella Tim S. Ross, Kellogg 1992-4-12 6126 -a Los Angeles San Clemente Island: 110 degrees ESE, 480-600M from Vista, at the head of Grove Canyon. 427 Comment
  SBBG43927  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SBBG43933  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SBBG95482  Quercus tomentella M. B. Dunkle 1928-11-2 2026 Los Angeles Gallagher Cyn Comment
  UCR272705  Quercus tomentella M. B. Dunkle 1939-11-25 7357 Los Angeles Channel Islands, San Clemente Island, NE slope Comment
  SEINET7143825  Quercus wislizeni Ralph R. Wilson 1941-4-18 514 Los Angeles San Dimas Experimental Forest above Glendora.; 0 914 Comment
  UCD72486  Quercus wislizeni var. frutescens Louis C. Wheeler 1965-10-23 s.n. Los Angeles Sierra Pelona: Martindale Canyon north side. Comment
  RSA0086991  Rafinesquia californica R. G. Swinney 2010-4-21 12323 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  RSA399384  Ranunculus californicus Richard C. Barkelew 1929-2-23 s.n. Los Angeles Cahuenga Pass. Comment
  POM303769  Ranunculus californicus Lyman Benson 1948-4-25 12863 Los Angeles First summit southwest of Pomona, Brea Canyon Rd. San Jose Hills, mt. range; Pacific slope drainage area, Oak Woodland; north slope. 305 Comment
  POM329  Ranunculus californicus P. A. Munz 1918-4-5 2019 Los Angeles Pomona. Comment
  RSA0051624  Ranunculus californicus L. E. Hoffman 1945-3-26 s.n. Los Angeles Santa Monica Mountains. 304 Comment
  RSA190930  Ranunculus hebecarpus Robert F. Thorne 1967-5-18 36856 Los Angeles Santa Catalina Island Middle Bulrush Canyon 244 Comment
  RSA400000  Ranunculus hebecarpus I. W. Clokey 1929-4-27 s.n. Los Angeles Mandeville Canyon. 200 Comment
  UCR124621  Ranunculus hebecarpus I. W. Clokey, B. C. Templeton 1929-1 4429 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  SEINET10481185  Raphanus sativus David B. Dunn 1947-3-19 Dunn 2928 Los Angeles Collected n. Side of welshire on .5 block e. Of manning in a vacant lot. Los angeles. Comment
  RSA585761  Rhamnus californica subsp. californica Orlando Mistretta 1995-7-11 1894 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  UC440439  Rhamnus californica subsp. californica H. Anderson and Carl Epling 1930-5-30 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  UC450881  Rhamnus californica subsp. californica Fay A. MacFadden 1931-4-10 2577 Los Angeles Tejunga Canyon Comment
  UCR193944  Rhamnus californica subsp. californica A. C. Sanders 2008-7-10 35742 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  LA82206  Rhamnus crocea O. H. Kappler; 1943-5-2 398 Los Angeles 45 Comment
  RSA567267  Rhamnus ilicifolia Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3856 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA748680  Rhamnus ilicifolia R. G. Swinney 2008-3-31 8581 Los Angeles Glendora Mountain summit 1003 Comment
  SBBG27507  Rhamnus ilicifolia C. B. Wolf 1928-5-11 Los Angeles just above the place where the Los Angeles Aqueduct crosses the hwy Comment
  UC1871230  Rhamnus ilicifolia T. S. Ross, W. Appleby 1993-5-20 7203 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  UCSB11512  Rhamnus ilicifolia Haines, Bruce 1962-3-11 Los Angeles 5 miles north of Pacific Ocean on California Highway 27; Topanga 259 Comment
  UC167162  Rhamnus pirifolia unknown 1906-9-1 Los Angeles Santa Catalina Island, off s California Santa Catalina Island Comment
  RSA0089427  Rhus aromatica R. G. Swinney 2011-3-17 14115 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  CAS-BOT-BC167913  Rhus integrifolia Henry J. Thompson 1959-5-24 1995 Los Angeles 0.7 miles north of Coast Highway, Tuna Canyon 91 Comment
  LA33971  Rhus integrifolia Peter H. Raven; 1959-3-1 13814 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park 243 Comment
  RSA244382  Rhus integrifolia Robin S. Collins 1973-5-15 261 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  SD90520  Rhus integrifolia Robert F. Thorne 1966-4-17 36109 Los Angeles San Clemente Island, Box Canyon northwest of Horse Canyon and southwest of Thirst 149 Comment
  UC17927  Rhus integrifolia J. Burtt Davy October, 1896 2769 Los Angeles Santa Monica Comment
  UCR117552  Rhus laurina A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23294 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 793 Comment
  SFV16025  Rhus ovata P. W. Byrne, H. Levin 1994-4-23 15 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  RSA600587  Rhus trilobata var. quinata Steve Boyd, Lauren Raz 1997-4-30 9593 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  UC1587674  Ribes aureum Tim Ross 1991-3-9 4177 Los Angeles ne slope at head Oak Canyon; Whittier Hills, Puente Hills (pro parte) 335 Comment
  CAS-BOT-BC92435  Ribes aureum var. gracillimum Louis C. Wheeler 1932-2-12 445 Los Angeles San Gabriel Wash. 106 Comment
  RSA0025907  Ribes aureum var. gracillimum Justin M. Wood 2012-3-20 4637 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  CAS-BOT-BC93102  Ribes californicum var. hesperium W. H. Brewer 1861-2-1 184 Los Angeles Cahuenga Pass. Comment
  HSC24466  Ribes cereum R. F. Thorne, M. Z. Thorne 1969-7-9 38577 Los Angeles Angeles National Forest, at Big Pines 2073 Comment
  RSA476172  Ribes indecorum Louis C. Wheeler 1932-1-31 440 Los Angeles foothills San Gabriel Mts. 1 mi. E Palmer Canyon. 609 Comment
  RSA48021  Ribes indecorum C. F. Baker 1904-2-15 4011 Los Angeles San Antonio Canyon Comment
  UC11549  Ribes indecorum W. H. Brewer 1860-12-18 69 Los Angeles Sierra Santa Monica Comment
  CAS-BOT-BC173399  Ribes malvaceum Peter H. Raven; Robert F. Thorne 1964-5-7 19005 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  UCR150240  Ribes malvaceum Kerry Knudsen, Rolf Muertter, Teresa Proscewicz 2005-2-10 2371 Los Angeles Transverse Range, Los Angeles, Santa Monica Mountains, Griffith Park, north side of Mt. Hollywood 425 Comment
  UCR182256  Ribes malvaceum R. G. Swinney, Dave Larson 1998-4-26 6043 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  SBBG108900  Ribes malvaceum var. clementinum S. A. Junak 1997-3-12 SCl 763 Los Angeles upper part of second cyn S of Camera Pad "Malo", just above small fork coming into cyn from S side 335 Comment
  SD84890  Ribes malvaceum var. malvaceum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island: Head of canyon, Mosquito Summit. Comment
  POM156289  Ribes nevadense L. R. Abrams 1902-6-30 2583 Los Angeles summit of Mt. Wilson Comment
  RSA747983  Ribes nevadense R. G. Swinney 2001-9-15 8131 Los Angeles Lily Spring, N slope of Mt. Hawkins , 7.5 air miles W SW of Wrightwood, 2561 Comment
  UCR272857  Ribes nevadense R. G. Swinney 2011-7-29 15569 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  CAS-BOT-BC186155  Ribes roezlii var. roezlii Timothy S. Ross; Steve Boyd 1994-5-4 7667 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  UCD102507  Ribes speciosum Christian Goerrissen 1993-2-21 s.n. Los Angeles Santa Monica Mountains, Santa Ynez Canyon, Pacific Palisades Highlands. 1/2 mile from trail head on trail to waterfall. Comment
  UCSB2673  Ribes speciosum Haller, Norman 1953-3-4 Los Angeles near Sunset; Faculty Hill; UCLA Comment
  NY201877  Ribes viburnifolium J. B. Walker 1995-12-3 1810 Los Angeles Santa Catalina Island, on Airport Rd, just N of Black Jack Cutoff 120 Comment
  SBBG31412  Ricinus communis R. F. Thorne with P. C. Everett 1965-6-22 34875 Los Angeles behind Bird Park 91 Comment
  UCSB7420  Ricinus communis Wilson, Richard 1958-5-10 Los Angeles 1 mile N of Foothill Blvd. on Angeles Crest Highway 457 Comment
  RSA0069437  Robinia pseudoacacia R. G. Swinney 2010-6-8 13204 Los Angeles 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. 546 Comment
  RSA602478  Rorippa curvisiliqua Scott D. White 1997-5-8 5094 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  LA52067  Rosa californica J. A. Ewan; 1929-5-25 3501 Los Angeles Comment
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Jun 26 2014
  RSA757071  Rosa californica R. G. Swinney 2008-10-7 9488 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  SBBG70542  Rosa californica R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  RSA585541  Rosmarinus officinalis Tim S. Ross 1992-4-21 6231 Los Angeles Glendora Ridge Road: on the divide between upper East Fork San Dimas Canyon and Lower Cow Canyon, draining toward the latter. 1229 Comment
  UCR106901  Rubus discolor Steve Boyd, Lauren Raz 1997-6-18 9979 Los Angeles Liebre Mtns, Liebre Mountains, Portal Ridge, open ridgeline about jct of Juday Truck Trail and Troedal Motorway, south of Troedel Spring 1183 Comment
  RSA563526  Rumex acetosella Tim S. Ross, W. Appleby 1993-5-14 7144 Los Angeles Wetern SAN GABRIEL MTNS: between May Canyon Saddle and May Peak [3948']. 1146 Comment
  CATA1548  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak, Misty Gay 1997-6-6 2788 Los Angeles Santa Catalina Island: Upper Buffalo Springs reservoir 435 Comment
  SDSU9720  Rumex crispus Gerald Collier 1951-4-5 Los Angeles Simi Hills near North American Test Grounds. 2.0 mils NE of Chattsworth Lane. Comment
  UCD170320  Rumex hymenosepalus R. G. Swinney 2010-3-11 11868 Los Angeles San Gabriel Mountains/Verdugo Mountains, flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  UCR126557  Rumex hymenosepalus A. C. Sanders, Andy Thomson 2003-4-15 26012 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  CAS-BOT-BC433915  Rumex salicifolius Lewis S. Rose 1946-7-21 46224 Los Angeles N. end of Hollywood Reservoir, Los Angeles 228 Comment
  RSA0082655  Rumex salicifolius Ernest C. Twisselmann 1962-4-18 6977 Los Angeles Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral. 1036 Comment
  RSA729719  Rumex salicifolius var. salicifolius R. G. Swinney 1999-6-18 7343 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  POM2354  Rumex salicifolius var. salicifolius D. L. Crawford 1915-08 s.n. Los Angeles Evy Ca - on - Claremont Comment
  RSA713250  Salazaria mexicana LeRoy Gross 2005-5-3 2222 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  SFV3201  Salazaria mexicana K. A. Wilson 1961-4-29 1169 Los Angeles Mojave Desert 1 mile northwest of Valyermo. 1085 Comment
  RSA550002  Salicornia virginica Scott D. White 1992-10-9 948 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  UCD170906  Salix babylonica A. C. Sanders; Dan S. Cooper 2010-8-5 38580 Los Angeles South Coast, Madrona Marsh Preserve, Torrance. 24 Comment
  CAS-BOT-BC103169  Salix bonplandiana F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mts. 15 Comment
  UCR271853  Salix exigua R. G. Swinney 2011-6-23 15287 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  SBBG131139  Salix gooddingii S. A. Junak 1999-5-20 SCa 927 Los Angeles Cottonwood Cyn, at reservoir 134 Comment
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Jul 28 2016
  CATA1827  Salix laevigata Sara L. Crockett 1997-3-17 581 B Los Angeles Santa Catalina Island: 0.25 mile NE on Cape Canyon Road from jct. with Middle Canyon Road 225 Comment
  UC506443  Salix laevigata Carl Hedin and Joseph Ewan 1932-4-30 7692 Los Angeles stream along Baldwin Hills near Higuera Rd. Culver City Comment
  SEINET10393059  Salix laevigata G. B. Grant 1904-1 1153 Los Angeles Pasadena. Comment
  RSA9751  Salix lasiandra var. lasiandra Louis C. Wheeler 1932-3-10 460 Los Angeles Big Dalton Canyon, San Gabriel Mountains 427 Comment
  RSA0088405  Salix lasiolepis R. G. Swinney 2010-2-27 11755 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA0115703  Salix lasiolepis Andrew C. Sanders 2008-4-23 35083 Los Angeles Transverse Range; western San Gabriel Mtns.: upper Cow Spring Canyon. 1130 Comment
  RSA717612  Salix lasiolepis Gary D. Wallace 1987-3-15 2643 Los Angeles San Gabriel Mountains NE of Monrovia. 512 Comment
  SBBG29034  Salix lasiolepis F. R. Fosberg 1932-1-26 7176 Los Angeles bottom of Topanga Cyn 225 Comment
  UC1134985  Salix lasiolepis P. L. Johannsen 1934-3-1 311 Los Angeles 1/2 mi s.w. Castaic; Santa Susana Quad. Comment
  UC482202  Salix lasiolepis Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 572 Los Angeles on Ventura Blvd. near Vejor Creek bridge 1350 Comment
  UC506409  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-2-16 7660 Los Angeles at Colina Dr. Verdugo Canyon Comment
  UC506465  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-15 7623 Los Angeles Los Angeles R. at Radford Dr.; San Fernando Valley, Los Angeles R. Comment
  UCR140431  Salix lasiolepis June Latting 1958-2-1 319 Los Angeles Western Transverse Range; Santa Monica Mtns., Zuma Beach, north of Malibu on Pacific Coast Highway 15 Comment
  UCR155613  Salix lasiolepis A. C. Sanders 2005-5-11 30151 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UC506436  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-25 7657 Los Angeles Comment
  CAS-BOT-BC126293  Salix sessilifolia Carl B. Wolf 1928-3-29 1587 Los Angeles So. base of ridge route, 1 mi. No. of Castaic 396 Comment
  CDA32774  Salsola australis M. O'Brien 2010-9-1 MOB 10 -04 Los Angeles South Coast; Intersection of Echo Park Ave. and Landa St., Los Angeles. 192 Comment
  CDA37038  Salsola australis M. O'Brien 2004-11-17 s.n. Los Angeles Southern California Coast; Malibu Creek State Park. Sheet 2 of 2. 0 Comment
  CAS-BOT-BC176855  Salsola gobicola John Thomas Howell 1952-10-26 28877 Los Angeles Along highway just north of Palmdale Comment
  UCR276994  Salsola tragus R. G. Swinney 2010-9-30 13916 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
  UC2027711  Saltugilia splendens subsp. grantii Anuja Parikh with Nathan Gale 2011-6-24 3502 Los Angeles TR, SnGb,S of Iron Mountains, 1.5 km E of Angeles Forest Highway, 0.9 km S of Monte Cristo Creek. Comment
  RSA754010  Saltugilia splendens subsp. grantii D. W. Foster s.n. Los Angeles Angeles National Forest, San Gabriel Mts., N3, Tie Cyn 1555 Comment
  RSA199157  Salvia apiana Robert F. Thorne, D. Propst 1968-5-29 37687 Los Angeles Santa Catalina Island: central part of Cape Canyon 305 Comment
  RSA401628B  Salvia apiana William Emboden 1969-5-28 48 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442831  Salvia apiana William Emboden 1969-5-28 16 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442840  Salvia apiana William Emboden 1969-5-28 26 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  UCLA70137  Salvia carduacea C. Epling and L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  UCR191714  Salvia carduacea A. C. Sanders 2008-4-18 34954 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 959 Comment
  RSA187972  Salvia columbariae Robert F. Thorne 1966-4-7 35945 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  RSA589511  Salvia columbariae Tim S. Ross, Gery Allan, Mark A. Elvin 1995-5-21 8599 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  SBBG128178  Salvia columbariae M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1784 Los Angeles N of rd between Emerald Bay and Parsons Landing 121 Comment
  SFV22131  Salvia columbariae V. Soza, S. Caplow 2003-4-11 1625 Los Angeles Verdugo Mountains Head of Brand Canyon in vicinity of Brand Park, south of junction of Brand Park Mountainway and Verdugo Mountainway, alongside Brand Park Mountainway. 762 Comment
  UCR124616  Salvia columbariae I. W. Clokey, B. C. Templeton 1929-1 4495 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  SDSU7389  Salvia dorrii D. F Howe 1948-5-2 1777 Los Angeles Angeles Crest highway, north side of San Gabriel Mts., 1036 Comment
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Nov 19 2014
  UCLA69889  Salvia dorrii var. pilosa C. Epling and L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  CAS-BOT-BC233662  Salvia leucophylla Street; Williams 1919-5-10 2718 Los Angeles Turnbull Canyon 304 Comment
  CAS-BOT-BC233293  Salvia mellifera Alice Eastwood 1906-5-27 65 Los Angeles Garvanza Comment
  RSA0035187  Salvia mellifera James S. Burns 1992-5-5 5 Los Angeles 1 mile north on Van Tassel fire road from south access; Angeles National Forest. 457 Comment
  RSA434113  Salvia mellifera John P. Hill 1929-3-11 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  SEINET8018555  Salvia mellifera W. D. Billings 1951-6-18 2103 Los Angeles San Gabriel Range, hillside near Bigcone Spruces, Glendora Mt. Rd. 762 Comment
  RSA434067  Salvia spathacea T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  RSA477544  Sambucus mexicana F. R. Fosberg 1931-7-14 S- 5409 Los Angeles Santa Catalina Island. 5 Comment
  RSA477557  Sambucus mexicana Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  RSA6003  Sambucus mexicana C. B. Wolf 1932-10-5 4238 Los Angeles Santa Catalina Island, 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  JEPS23711  Sambucus mexicana Peter H. Raven 1959-5-3 14065 Los Angeles along Mulholland Drive 0.5 mi e Beverly Glen Boulevard; Santa Monica Mountains 381 Comment
  HSC3970  Sambucus nigra subsp. caerulea David Porter 1965-5-14 Los Angeles Along Mulholland Hwy., 1 mi. W of Canyon Rd. 305 Comment
  SFV3601  Sambucus nigra subsp. caerulea J. Pakcyk 1959-3-15 s. n. Los Angeles San Gabriel Mountains Angeles Crest. 610 Comment
  POM219124  Sanguisorba minor Louis C. Wheeler 1932-7-25 1102 Los Angeles Thompson Creek, 2.5 miles NE La Verne 381 Comment
  UCR195294  Sanicula arguta Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1185 Los Angeles Transverse Ranges: Verdugo Mountains Region, northwestern edge of Verdugo Mountains, north of La Tuna Canyon, southeast of Green Verdugo Reservoir 457 Comment
  RSA470983  Sanicula arguta Reid V. Moran 1941-2-17 579 Los Angeles San Clemente Island. Middle Ranch, East side of arroyo. 500 Comment
  POM246823  Sanicula crassicaulis F. R. Fosberg 1931-4-1 s- 4436 Los Angeles Hamilton Canyon, Santa Catalina Island. 50 Comment
  RSA595165  Sanicula crassicaulis Steve Boyd 1996-4-25 8690 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  CATA411  Schinus molle Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 548 Los Angeles Santa Catalina Island: Mt. Black Jack Campgrounds 451 Comment
  SEINET3481095  Schinus molle Unknown 1939-7-4 178 Los Angeles Los Angeles, Los Angeles, convent street planting Comment
  UCR93327  Schinus polygamus Scott D. White 1996-5-19 4055 Los Angeles City of Claremont: Geneva Ave, north of San Jose, south of Arrow Hwy, west of Indian Hill, east of Towne Street. 320 Comment
  CATA1735  Schismus arabicus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-13 3118 Los Angeles Santa Catalina Island: Near road above Empire Landing 137 Comment
  RSA573463  Schismus arabicus Timothy S. Ross 1992-5-8 6303 Los Angeles Glendora Ridge Road; N side of ridge at head of un-named E fork of Oak Canyon. 1015 Comment
  RSA0107888  Schismus arabicus Steven A. Junak 1998-5-1 SCa- 590 Los Angeles Santa Catalina Island. Along Airport Road, ca. 0.2 miles W of Middle Ranch Road, overlooking Swain's Canyon. 441 Comment
  SEINET5322421  Schismus arabicus M. Mooney 1982-4-3 411 Los Angeles Mint Canyon off HWY 14 Comment
  CAS-BOT-BC111388  Schoenoplectus acutus var. occidentalis Timothy S. Ross; Steve Boyd 1994-5-24 7840 Los Angeles Cottonwood Swamp, Confluence of San Francisquito Canyon stream 515 Comment
  RSA366044  Schoenoplectus americanus Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles. Los Angeles River. Comment
  SD53069  Scrophularia villosa Peter H. Raven 1962-5-22 17831 Los Angeles Santa Catalina Island, first canyon west of Lion's Head Point Comment
  UC147234  Scrophularia villosa E. B. Babcock 1901-4 Los Angeles Santa Catalina Isl Comment
  SBBG71565  Scutellaria mexicana R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  RSA729820  Scutellaria siphocampyloides R. G. Swinney 1998-7-6 6275 Los Angeles San Gabriel Mtns.: Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  JEPS62867  Scutellaria tuberosa Frank W. Peirson 1918-5-26 178 Los Angeles Henninger Flats; San Gabriel Mountains, Henninger Flats 868 Comment
  UCR258938  Searsia lancea R. G. Swinney 2010-2-27 11764 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
  RSA651609  Secale cereale W. J. Nicholas 1948-5-4 s.n. Los Angeles near Littlerock. Two [miles?] west of Littlerock. 609 Comment
  RSA397640  Sedum spathulifolium Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. Comment
  LA209592  Selaginella asprella Lawrence L. Kiefer; 1966-10-30 2486 Los Angeles San Gabriel Mountains, along trail ca. 0.25 mi SW of summit of Will Thrall Peak 2316 Comment
  CAS-BOT-BC62044  Selaginella bigelovii Marcus E. Jones 1882-2-25 3023 Los Angeles Pasadena Comment
  POM243884  Selaginella bigelovii Marcus E. Jones 1882-2-25 3023 Los Angeles Pasadena. Comment
  RSA221573  Selaginella bigelovii Arthur C. Gibson, Linda Gibson 1971-3-27 1745 Los Angeles Evey Canyon, Angeles National Forest, NE of Claremont. Comment
  RSA612909  Selaginella bigelovii Louis Cutter Wheeler 1931-9-2 53 Los Angeles 1 mi. NNW Thompson Creek Dam. 609 Comment
  CAS-BOT-BC363448  Senecio californicus A. C. Sanders 2003-4-17 26063 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  SEINET11811876  Senecio cineraria W. F. Wight 1907-7-2 1610 Los Angeles East Lake park, Los Angeles Comment
  RSA616072  Senecio flaccidus var. douglasii Scott D. White, Brian Leatherman 1997-1-14 6042 Los Angeles Santa Clara river watershed: Upper Oak Springs Canyon, above existing gravel quarry. 579 Comment
  SFV17930  Senecio flaccidus var. douglasii J. N. Hogue 1998-10-13 129 .1 Los Angeles San Gabriel Mountains San Gabriel Canyon. West side of San Gabriel reservoir along road. 470 Comment
  CAS-BOT-BC341195  Senecio lyonii Carl B. Wolf 1932-5-14 3630 Los Angeles Santa Catalina Island. Between Avalon & Pebbly Beach 30 Comment
  CAS-BOT-BC341211  Senecio lyonii R. M. Beauchamp 1967-1-27 114 Los Angeles East of main Wilson Cove area. San Clemente Island Comment
  RSA177787  Senecio lyonii R. F. Thorne, Percy C. Everett 1965-5-11 34548 Los Angeles Santa Catalina Island, about halfway between Little Harbor and Isthmus Cove 152 Comment
  RSA251456  Senecio lyonii R. F. Thorne 1973-4-11 42835 Los Angeles San Clemente Island, upper part of Norton Canyon. 274 Comment
  SBBG43860  Senecio lyonii M. R. Benedict 1971-6-26 Los Angeles about 0.5 mi S of Wilson's Cove Comment
  UCR139226  Senecio lyonii F. H. Elmore, Hancock Pacific Expedition 1939-2-18 399 Los Angeles Channel Islands, San Clemente Island Comment
  RSA0108862  Senecio lyonii Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-6-11 SCa- 716 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
  RSA0117990  Senecio vulgaris Robert L. Benson 1905-5-16 64 Los Angeles Diamond Bar Ranch. 7 miles south of Pomona. Comment
  SBBG31019  Senecio vulgaris R. F. Thorne 1966-4-28 36209 Los Angeles rd to Renton Mine, Pebbly Beach Cyn 243 Comment
  UCR193480  Senna artemisioides R. G. Swinney 1999-4-8 7073 Los Angeles San Gabriel Mtns., Claremont, Cobal Canyon c. 0.5 mi. NE of confluence with Burbank Canyon 549 Comment
  SD125871  Setaria parviflora A. C. Sanders 1987-7-22 7161 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del mar Blvd. coastal dunes 29 Comment
  CATA2998  Sibara filifolia Peter J. Dixon 2015-3-12 032 Los Angeles Santa Catalina Island: Wild Boar Gully, far SW corner of exclosure, population nickname ""fenceline"". 500m south of Wild Boar Gully Rd. 250 m north of Pacific Ocean. 75 Comment
  CAS-BOT-BC213325  Sidalcea A. D. E. Elmer 1902-6-1 3612 Los Angeles Palmdale Comment
  SFV15598  Sidalcea malviflora K. C. Molina, K. L. Garrett 1992-5-10 3 Los Angeles San Gabriel Mountains Leona Valley. Vicinity of intersection of San Francisquito Canyon Road and Grass Valley Road. 1100 Comment
  CAS-BOT-BC434377  Sidotheca trilobata Noel H. Holmgren; James L. Reveal 1966-5-29 2610 Los Angeles San Gabriel Mountains, ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit. 1767 Comment
  RSA248874  Silene antirrhina R. F. Thorne 1973-4-12 42971 Los Angeles San Clemente Island, large canyon S of Mosquito Cove, N of Chenity. 274 Comment
  UCR205130  Silene gallica R. G. Swinney 2008-4-17 8692 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  CAS-BOT-BC387011  Silene gallica A. H. Gallup 1905-4-2 1206 Los Angeles Extreme northwest corner of the property, LASCA Comment
  JEPS50919  Silene gallica Frank W. Peirson 1919-5-14 420 Los Angeles Eaton Canyon San Gabriel Mountains, Eaton Canyon 731 Comment
  CAS-BOT-BC174898  Silene laciniata Cecil Hart 1925-5-18 s.n. Los Angeles Pasadena Comment
  CSUSB706  Silene laciniata Virginia M. Bolton 1966-5-10 Los Angeles Pomona (city), on the Cal Poly campus hillside. California Polytechnic University, Pomona. Comment
  RSA654516  Silene laciniata subsp. major Brian McColgan 1988-5-14 13 Los Angeles 1 mile N of Padua on Mt. Blady Rd. 1067 Comment
  CAS-BOT-BC175108  Silene verecunda Victor Duran 1933-7-24 3530 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  RSA0021448  Silybum marianum Freda Detmers 1933-6-4 s.n. Los Angeles Harbor at San Pedro Comment
  UCD115463  Sisymbrium altissimum R. A. Blanchard 1931-5-2 2187 Los Angeles Lancaster. Comment
  CDA33378  Sisymbrium orientale J. M. Wood 2009-3-6 336 Los Angeles City of Claremont; NW corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County. Comment
  RSA0085284  Sisymbrium orientale R. G. Swinney 2010-4-30 12465 Los Angeles near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  UCR136846  Sisymbrium orientale 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
  UCR258555  Sisymbrium orientale R. G. Swinney 2010-5-29 13021 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCD115666  Sisymbrium orientale Mary H. Ward 1973-3-26 157 Los Angeles Manhattan Beach. Comment
  RSA724470  Sisyrinchium bellum K. Dobry 1991-3-15 423 Los Angeles West San Gabriel Mts. Upper Elsmere Cyn Comment
  UCR202697  Sisyrinchium bellum R. G. Swinney 2001-8-11 8040 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  RSA652072  Sisyrinchium bellum Russell Sellentin 1948-5-11 sn Los Angeles Found in a shady location near Puddingstone Dam. 228 Comment
  RSA735381  Solanum americanum Steve D. Boyd, Mark A. Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11702 Los Angeles southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains. 1024 Comment
  POM156342  Solanum douglasii L. R. Abrams 1902-5-31 2488 Los Angeles Inglewood. Comment
  RSA0080734  Solanum douglasii R. G. Swinney 2010-4-23 12363 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA725312  Solanum douglasii K. Dobry 1991-5-2 476 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR210452  Solanum douglasii R. G. Swinney 2008-11-30 9876 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  UCR68945  Solanum douglasii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4259 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA422384  Solanum douglasii F. H. Elmore 1939-11-26 s.n. Los Angeles Wilson Cove, San Clemente Island. Comment
  RSA572382  Solanum douglasii F. H. Elmore 1939-11-26 s.n. Los Angeles Wilson Cove, San Clemente Island. Comment
  RSA651734  Solanum douglasii D. G. Tanner 1989-5-31 sx- 30 Los Angeles Fish Canyon Wash. Comment
  UCSB5932  Solanum douglasii Gill, Robert 1959-4-2 Los Angeles Checking Station (water) in San Dimas Canyon, Mt. Range San Gabriel 365 Comment
  UC56817  Solanum elaeagnifolium Ernest Braunton 1902-9-1 697 Los Angeles Los Angeles Comment
  POM4258  Solanum elaeagnifolium L. R. Abrams 1917-7-7 6607 Los Angeles San Fernando Valley, near Cahuenga Pass. Comment
  RSA603873  Solanum nigrum Louis C. Wheeler 1975-9-15 s.n. Los Angeles Pasadena: Lake Avenue and Walnut Street. Comment
  RSA78648  Solanum umbelliferum F. W. Peirson 1943-5-15 13550 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  UC1125064  Solanum umbelliferum A. D. Gifford 1935-1-7 402 Los Angeles 6 1/2 mi ese of Whitaker Peak 518 Comment
  UC1922567  Solanum xanti Gary Kovnat with LeRoy Gross 2003-2-16 15 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  NY820486  Solanum xanti T. S. Ross 1990-5-29 2673 Los Angeles San Gabriel Mountains. Big Pines Hwy, midway between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW 1402 Comment
  SDSU11228  Solanum xanti Gerald Collier 1951-3-22 M 466 Los Angeles Faculty Hill about 1/4 mile west of UCLA Campus; along shady pathway. Comment
  RSA657349  Solanum xanti var. intermedium S. Campbell 1980-5-9 7 Los Angeles Verdugo Mountains Region: Verdugo Mountain Canyon, off La Tuna Canyon off-ramp from 210 Freeway, Fire Road East. 305 Comment
  RSA7617  Solidago confinis C. B. Wolf 1933-11-9 s.n. Los Angeles Valyermo Post Office, desert slope of San Gabriel Mountains on Big Rock Creek. 1098 Comment
  UC672223  Solidago confinis Frank W. Peirson 1922-9-14 4744 Los Angeles San Antonio Canyon San Garbriel Mts., San Antonio Canyon (San Gabriel Mts.) 914 Comment
  CATA1912  Solidago velutina subsp. californica Tony Summers 2011-9-30 1 Los Angeles Santa Catalina Island: Bulrush Canyon 263 Comment
  UC133197  Solidago velutina subsp. californica C. F. Baker 1903-9-20 3690 Los Angeles near Claremont (San Antonio Canyon); San Antonio Canyon Comment
  RSA474074  Sonchus asper Robert Gustafson 1981-3-26 2138 Los Angeles Ballona Wetlands, Area 1. Comment
  UCD136142  Sonchus asper subsp. asper Robert F. Thorne; P. C. Everett 1964-2-7 33456 Los Angeles Lower end of Pebbly Beach Canyon near road, E end of Santa Catalina Island. 76 Comment
  UC557746  Sonchus oleraceus Nell Murbarger March, 1936 105 Los Angeles San Clemente Island Comment
  UCR258568  Sonchus oleraceus R. G. Swinney 2010-5-29 13015 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  CATA3407  Sorghum bicolor Julia A. Parish, Tobias Nickel, Jamie Choi, Olivia Reda, Stuart Olshevski 2017-4-6 021 Los Angeles Santa Catalina Island: Hillside above intersection of Camino del Monte Ave and Chimes Tower Road, near Zane Grey Hotel 101 Comment
  RSA383725  Sparganium erectum subsp. stoloniferum Anonymous s.n. Los Angeles [no locality information provided] Comment
  SBBG89559  Spartium junceum J. Adams 1965-4-29 155 Los Angeles Evey Cyn 762 Comment
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Jan 26 2015
  UCD108504  Spartium junceum M. A. Salazar 1969-8-12 s.n. Los Angeles Big Tujunga Canyon, c. 5 miles north of Tujunga. Comment
  SFV12397  Spergularia bocconi D. L. Koutnik 1978-4-21 404 Los Angeles San Rafael Hills Glendale, at east end of Glenoaks Ave. near Scholl Canyon Park. 305 Comment
  POM339334  Spergularia macrotheca F. R. Fosberg, S. C. Rainey 1973-11-14 55230 Los Angeles San Clemente Island. Wilson s Cove, on roadside on grassy slope Comment
  RSA65565  Spergularia platensis F. W. Peirson 1944-8-19 s.n. Los Angeles at 1085 New York Avenue, Altadena 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
  RSA506195  Sporobolus cryptandrus L. C. Wheeler 1966-10-22 9045 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  RSA446581  Stachys ajugoides L. E. Hoffman 1932-4-20 s.n. Los Angeles Hermon Hills, Ave-57. Pasadena. Comment
  RSA82554  Stachys albens F. W. Peirson 1927-8-14 7840 Los Angeles Arroyo Seco south base of San Gabriel Mts. 549 Comment
  LA52395  Stachys albens Nesta Hutchinson; 1931-5-30 s.n. Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA52376  Stachys bullata Martha Hilend; April 1929 sn Los Angeles 121 Comment
  UCR220375  Stachys bullata R. G. Swinney 2009-4-16 10350 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  SEINET3153402  Stachys californica L. Abrams 1902-6-16 2548 Los Angeles Sepulveda canyon, Santa Monica Mts. Comment
  SD90549  Stebbinsoseris heterocarpa Robert F. Thorne 1973-4-11 42788 Los Angeles San Clemente Island; plateau in Middle Ranch area at head of Middle Ranch Canyon. 424 Comment
  UCR271702  Stebbinsoseris heterocarpa Mitch Provance, Callen Huff 2009-4-28 10810 B Los Angeles Tehachapi Mountians, Road on ridge overlooking Hwy I-5 about 0.6 miles NE of Gorman 1439 Comment
  CATA2782  Stebbinsoseris heterocarpa Robert F. Thorne 1973-4-11 42788 Los Angeles San Clemente Island: Plateau in Middle Ranch area at head of Middle Ranch Canyon 426 Comment
  SBBG131892  Stebbinsoseris heterocarpa S. A. Junak, D. Wilken 1996-3-26 SCI 249 Los Angeles just W of Larkspur Cyn, upper portion of S fork 298 Comment
  UCR217313  Stellaria media R. G. Swinney 2009-2-26 10042 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  RSA478173  Stellaria media H. L. Bauer 1929-5-20 s.n. Los Angeles Long Beach lawn Comment
  RSA65760  Stellaria nitens F. W. Peirson 1918-5-26 43 Los Angeles Hennigers Flat, Mt. Wilson Toll Road 853 Comment
  POM21343  Stephanomeria cichoriacea Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  SD253397  Stephanomeria cichoriacea R. G. Swinney 2011-11-3 16001 Los Angeles San Gabriel Mts.: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre (Mt Wilson 7.5'Q) 548 Comment
  UCR217703  Stephanomeria diegensis A. C. Sanders, Dan S. Cooper 2010-8-5 38556 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  POM17590  Stephanomeria spinosa P. A. Munz 1923-8-31 7670 Los Angeles Blue Ridge, Swartout [Swarthout] Valley 2575 Comment
  RSA188552  Stephanomeria spinosa R. F. Thorne, John Olmstead 1965-8-26 35371 Los Angeles Blue ridge, ca. 1/2 mi beyond junction with Angeles Crest Hwy 2255 Comment
  RSA655352  Stephanomeria virgata LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 276 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  HSC65745  Stipa parishii R. F. Thorne, Larry E. DeBuhr 1974-6-28 44774 Los Angeles Drainage of S Fork Big Rock Creek, N of Windy Spr. near Pine Hollow Picnic Area 2134 Comment
  UCR125634  Stipa speciosa A. C. Sanders 2003-5-26 25864 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  POM213014  Streptanthella longirostris P. A. Munz 1935-4-1 13595 Los Angeles 25 miles NW of Adelanto, Western Mojave Desert Comment
  CATA3117  Stylocline gnaphaloides Amy Catalano 2016-5-20 121 Los Angeles Santa Catalina Island: Open ridge 75 meters northeast of entrance gate for exclosure 3A 359 Comment
  SFV4884  Stylocline gnaphaloides M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. 152 Comment
  UCR200120  Stylocline gnaphaloides Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 785 Los Angeles Verdugo Mountains, south side'', Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 396 Comment
  RSA92503  Stylocline gnaphaloides F. W. Peirson 1919-3-27 232 Los Angeles Hills west of Arroyo Seco, near Pasadena 426