Search Results — 2000 specimen records retrieved (1557 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR157992  Abronia pogonantha David Charlton 1989-5-17 3184 Los Angeles Western Mojave Desert, southwest of Piute Ponds, Edwards Air Force Base 701 Comment
  SD46523  Abronia pogonantha P. C. Everett, E. K. Balls 1956-5-9 21568 Los Angeles 6.0 miles south of Lancaster along Highway 6. 762 Comment
  CAS-BOT-BC229377  Abronia umbellata Marcus E. Jones 1900-7-12 6500 Los Angeles Long Beach Comment
  UCR208955  Abronia umbellata Arthur L. Cohen 1934-8-2 519 Los Angeles South Coast, Ocean Park [near Santa Monica] 5 Comment
  RSA0025874  Abronia umbellata Jack Rempel 1932-3-19 s.n. Los Angeles El Segundo. Comment
  SD232278  Abronia umbellata Mark Elvin, Orlando Mistretta 1996-3-22 115 Los Angeles Channel Islands; San Clemente Island: San Clemente Island Coastal Strand/Dunes. Comment
  UCR99443  Acacia baileyana L. C. Wheeler 1968-2-4 s.n. Los Angeles San Gabriel Mtns., Bluebird Ranch (Truck Trail) east of Richard Ferguson's House 457 Comment
  HSC101312  Acer macrophyllum R. G. Swinney 2009-3-28 10179 Los Angeles Transverse Range, San Gabriel Mtns.: Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi. up canyon 366 Comment
  RSA394173  Acer macrophyllum Fay A. MacFadden 1931-4-10 2575 Los Angeles Tejunga [Tujunga] Canyon. A few trees near the stream. 396 Comment
  LA49820  Acer macrophyllum W. O. Griesel; 1936-6-18 s.n. Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon Comment
  RSA0051231  Acer macrophyllum James R. Shevock 1976-4-24 5020 Los Angeles San Gabriel Mountains, Angeles National Forest. 1386 Comment
  CAS-BOT-BC337442  Acer negundo var. californicum A. C. Sanders; T. B. Salvato 2009-5-20 36852 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, East side of San Gabriel Blvd., SE of Darlington St. intersection 1000 Comment
  CHSC59648  Achnatherum coronatum Daryl Koutnik 1978-6-3 Los Angeles Dry Canyon - Cold Creek Road between Mulholland Highway and Old Topanga Canyon Road. 304 Comment
  POM353190  Achnatherum speciosum Anstruther Davidson 1893-4-23 s.n. Los Angeles San Fernando Comment
  UC1870325  Achnatherum speciosum LeRoy Gross 2005-5-3 2221 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Comment
  UCSB25733  Achnatherum speciosum Black, Nan 1968-5-10 Los Angeles 25 yds S of Escondido Cyn Rd, 0.3 mi S of junction with Hwy 14 914 Comment
  POM30564  Achyrachaena mollis Marcus E. Jones 1882-5-1 3213 Los Angeles Los Angeles. Comment
  SD13112  Acmispon americanus Edith A. Purer 1935-5-11 6574 Los Angeles Malibou Road, Santa Monica Mountains. Comment
  SDSU19671  Acmispon argophyllus var. adsurgens Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2203 A Los Angeles San Clemente Island, north of Guds, at south end of island. 235 Comment
  UCR274341  Acmispon dendroideus var. dendroideus Steven A. Junak 1999-5-22 SCa- 1010 Los Angeles California Islands, Goat Harbor 3 Comment
  SEINET5327556  Acmispon glaber var. glaber J. Barber 1898-7-9 s.n. Los Angeles collected at Santa Monica Forest Station Comment
  RSA0015846  Acmispon heermannii var. heermannii LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6202 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  SDSU19964  Acmispon maritimus S. H. Bullock 1968-4-6 41 Los Angeles Claremont north of Foothill Blvd. between Dartmouth and College Ave. 366 Comment
  LA52420  Acmispon maritimus var. maritimus Elizabeth McClintock; 1936-4-18 sn Los Angeles Santa Monica Mountains, at mouth of Malibu Creek Comment
  SBBG95461  Acmispon maritimus var. maritimus M. B. Dunkle 1928-4-29 1904 Los Angeles Little Harbor Comment
  SBBG34042  Acmispon micranthus S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 642 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 256 Comment
  SBBG91828  Acmispon micranthus S. A. Junak 1978-4-15 SCa 10 Los Angeles N side of Cherry Cove 30 Comment
  RSA0126889  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
  SD39818  Acmispon strigosus Edith A. Purer 1935-5-12 6599 Los Angeles El Segundo, old sand dunes Comment
  RSA713831  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of water tanks'. 335 Comment
  LA52127  Adenostoma fasciculatum James Lauter; 1953-5-7 sn Los Angeles SANTA MONICA MOUNTAINS, 1 mi and a block W of Beverly Glen X Mulholland Dr. Comment
  LA82110  Adenostoma fasciculatum O. H. Kappler; 1940-5-18 23 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA675809  Adenostoma fasciculatum LeRoy Gross 2003-3-7 760 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  UC1922565  Adenostoma fasciculatum Gary Kovnat with LeRoy Gross 2003-4-5 36 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCR124941  Adenostoma fasciculatum B. C. Templeton 1960-5-14 8446 Los Angeles Western San Gabriel Mtns., Mint Canyon near Solemint 500 Comment
  RSA0035062  Adenostoma fasciculatum Elwood Fordham 1951-4-15 s.n. Los Angeles Topanga, Summit Rd. 304 Comment
  RSA0035079  Adenostoma fasciculatum Geo. R. Julian 1962-6-21 s.n. Los Angeles Topanga Canyon, Santa Monica Mountains. 274 Comment
  SBBG131539  Adenostoma fasciculatum var. prostratum S. A. Junak 1999-7-16 SCa 1039 Los Angeles S side of Airport Rd, ca. 0.1 mi E of intersection with Empire Landing Rd 347 Comment
  RSA730071  Adiantum capillus-veneris R. G. Swinney, D. W. Larson 1999-5-29 7235 Los Angeles lower East Fork San Dimas Canyon. 573 Comment
  UCR137597  Adiantum capillus-veneris R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  UCR271205  Adiantum capillus-veneris R. G. Swinney 2011-11-1 15971 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
  SEINET2079591  Adiantum capillus-veneris L. L. Kiefer 1967-4-29 3343 Los Angeles San Gabriel Mountains, N of Glendora, Densing Canyon tributary of San Gabriel River, ~1/2 mi up 457 Comment
  RSA177755  Adiantum jordanii R. F. Thorne, Percy C. Everett 1965-5-10 34486 Los Angeles Upper end of Gallagher Canyon; Santa Catalina Island 411 Comment
  SD69626  Adiantum jordanii Robert F. Thorne, P. Everett 1965-5-10 34486 Los Angeles Santa Catalina Island, upper end of Gallagher Canyon 409 Comment
  SBBG133141  Adiantum jordanii S. A. Junak 1996-4-13 SCI- 322 Los Angeles first cyn S of Bryce Cyn, N-facing cyn wall 12 Comment
  SEINET3153092  Adiantum jordanii G. B. Grant 1904-4-20 26 Los Angeles Catalina Island, So. Cal. Comment
  SEINET3352193 Image available Aegilops tauschii Skrdla 1964-1 G 436 Los Angeles Grown at UCLA (Seed originally collected in Afghanistan) Comment
  UC68803  Aesculus californica H. M. Hall Jun 1905 6311 Los Angeles Tejon Pass 1219 Comment
  RSA589111  Agave americana Timothy S. Ross, Annette H. Ross, Steve West 1991-3-15 4228 Los Angeles San Gabriel Mountains, Foothills N of La Verne: un-named southerly canyonlet ca 300 m W of Marshall Canyon; just N of an old triangular reservoir and an old abandoned homestead. 573 Comment
  UCR158862  Ageratina adenophora Scott D. White 1994-7-14 2244 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  UCR190519  Agoseris retrorsa R. G. Swinney 2000-6-19 7819 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR272607  Agoseris retrorsa R. G. Swinney 2011-6-7 15057 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  POM308948  Agoseris retrorsa Kay H. Beach 1942-5-28 625 Los Angeles San Dimas Experimental forest, U. S. Forest Dept. 500 feet above flume no. 3 Comment
  RSA729594  Agrostis exarata R. G. Swinney, D. W. Larson 1999-7-21 7563 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, 200m below Fern Dam #1, NE Browns Flat. 1341 Comment
  UC814986  Agrostis pallens Carl B. Wolf 1932-5-14 3634 Los Angeles hillside above amphitheatre; Santa Catalina Island, Avalon 60 Comment
  RSA592258  Allium fimbriatum L. C. Wheeler 1967-5-12 9475 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SD41980  Allium fimbriatum var. fimbriatum Darley F. Howe 1947-5-5 1531 Los Angeles Between Palmdale and Littlerock. Comment
  UC1178595  Allium fimbriatum var. fimbriatum Peter Kamb 1948-5-6 962 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock; San Gabriel Mts. 975 Comment
  RSA367099  Allium haematochiton T. S. Clare 1929-3-17 s.n. Los Angeles Topanga Canyon. 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
  RSA587081  Allium monticola Orlando Mistretta, Steve Boyd 1995-5-23 1717 Los Angeles Bare Mt. Canyon near summit of Bae mt. on N ridge. 1768 Comment
  RSA587202  Allium monticola Orlando Mistretta, Mark Elvin 1995-5-10 1687 B Los Angeles San Gabriel Mountains: Bare Mountain Canyon. Head of W. Fork. 1768 Comment
  POM8947  Allium praecox Philip A. Munz 1920-3-17 3351 Los Angeles Lone Hill, San Dimas. 305 Comment
  POM1643  Allium praecox George B. Grant, Walter Wheeler 34 Los Angeles Santa Catalina Island. Comment
  RSA526077  Allium praecox Steve Boyd, Timothy S. Ross, Peter Fritsch 1990-4-6 4176 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called Jack . 152 Comment
  UCR192965  Allium subhirsutum Dan S. Cooper 2008-3-22 s.n. Los Angeles Southern Coast, Santa Monica, c. 1/4 mile north of pier 20 Comment
  RSA410063  Allophyllum divaricatum Elbert Benjamine 1929-5-26 206 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  SEINET2444429  Allophyllum divaricatum A. C. Sanders, Mark A. Elvin; Dave Fleitner 2003-8-6 27146 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle. 280 Comment
  CAS-BOT-BC170973  Alnus rhombifolia Joseph Andorfer Ewan; Nesta Ewan 1936-8-2 9887 Los Angeles 1 mi below head of Cedar Canyon off Mescal Canyon. San Gabriel Mts. Comment
  LA33456  Alnus rhombifolia Peter H. Raven; 1959-3-8 13836 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, 1.1 mi N of Pacific Coast Hwy. 30 Comment
  SD237354  Alnus rhombifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37074 Los Angeles San Gabriel Valley: Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery. 63 Comment
  CAS-BOT-BC138030  Alopecurus carolinianus Le Roy Abrams 1901-4-10 1455 Los Angeles Inglewood. Comment
  CDA37801  Alternanthera philoxeroides Davis Los Angeles Rio Hondo Channel. 0 Comment
  IRVC26147  Alternanthera philoxeroides L. C. Wheeler 1946-8-9 6222 Los Angeles Rio Hondo at San Gabriel Boulevard San Gabriel Mtns. Comment
  RSA402956  Amaranthus albus Anstruther Davidson 1917-10 s.n. Los Angeles Los Angeles., Compton St. Comment
  RSA402990  Amaranthus deflexus N. C. Cooper 1947-9-1 2094 Los Angeles U.S.C. Campus Comment
  UCR168287  Amblyopappus pusillus F. R. Fosberg 1931-4-29 S- 4718 Los Angeles Channel Islands, Santa Catalina Island, between Cottonwood and Middle Ranch Canyons 140 Comment
  UCR76407  Amblyopappus pusillus T. S. Ross, E. Kellogg 1992-4-13 6140 Los Angeles Channel Islands, NW part of San Clemente Island, terrace in vicinity of Darter 18 Comment
  UC557657  Ambrosia chamissonis Nell Murbarger 1936-5-1 214 Los Angeles Northwest Harbor; San Clemente Island Comment
  RSA301944  Ambrosia chamissonis J. R. Shevock 1972-9-16 2277 Los Angeles Point Dune. 3 Comment
  LA91071  Ambrosia psilostachya T. A. Geissman; October 1969 TAG 101068 AP Los Angeles Santa Monica Mountains, Malibu Creek Comment
  LA91103  Ambrosia psilostachya T. A. Geissman; 1970-8-14 TAG 14870 MD Los Angeles Santa Monica Mountains, Mulholland Dr. at San Diego Frwy 365 Comment
  SD107837  Ambrosia psilostachya Robert F. Thorne, D. Propst & M Hoefs 1974-9-12 45101 Los Angeles Santa Catalina Island; near bridge over stream in lower end of Cottonwood Canyon. 29 Comment
  RSA0120020  Ambrosia salsola R. G. Swinney 2014-4-30 16263 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA757084  Amelanchier utahensis R. G. Swinney 2008-9-12 9450 Los Angeles Buckhorn Canyon, just north of Burkhart Trail parking lot, between trail and stream 1951 Comment
  UC1929555  Amorpha californica Scott D. White, Justin Wood 2008-5-6 11933 B Los Angeles Puente / Chino Hills: Chino Hills, NW of Carbon Canyon Rd and SE of Tonner Canyon, on SCE powerline corridor (SE corner of county). Firestone Boy Scout Reservation. Comment
  RSA244384  Amorpha californica var. californica Robin S. Collins 1973-5-15 272 Los Angeles Trail Canyon, within 1/2 mi. of start of pack trail. 625 Comment
  RSA509706  Amorpha californica var. californica L. C. Wheeler 1967-7-30 s.n. Los Angeles Trail Canyon ca. 1/2 way between Tom Lucas Campground and BM 3434. 1006 Comment
  RSA488012  Amsinckia intermedia Mark Hoefs, D. Propst 1973-3-3 34 Los Angeles Santa Catalina Island: west side of Black Jack Mt. 412 Comment
  LA40188  Amsinckia intermedia W. O. Griesel; 1936-2-27 sn Los Angeles Faculty Hill U.C.L.A. Campus 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
  RSA772295  Amsinckia tessellata R. G. Swinney 2009-4-28 10521 Los Angeles summit of Mt. Emma 1585 Comment
  SBBG63563  Amsinckia tessellata R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  SEINET1004524  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-1 26120 Los Angeles Western San Gabriel Mtns.; Castaic Messa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UCR264877  Amsinckia tessellata var. tessellata Mitch Provance, Callen Huff 2009-4-28 10667 Los Angeles Tehachapi Mountians, Steep slopes about 0.4 miles E of Gorman and 0.2 mi N of Hwy I-5 1255 Comment
  SD181673  Amsinckia tessellata var. tessellata Louis C. Wheeler 1973-4-20 Los Angeles San Gabriel Mountains: Alliso Canyon ca. 0.5 mile east of Blum Ranch. 945 Comment
  RSA594586  Anagallis arvensis Louis C. Wheeler 1967-5-7 9284 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 625 Comment
  SEINET6068249  Anagallis arvensis Unknown 1996-4-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
Read comments
Oct 27 2015
  CAS-BOT-BC64021  Anisocoma acaulis Timothy S. Ross 1994-5-25 7891 Los Angeles West summit of Liebre Mountain: 1708 Comment
  RSA509604  Anisocoma acaulis L. C. Wheeler 1967-5-12 9453 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SD262179  Anisocoma acaulis R. G. Swinney 2014-5-7 16337 Los Angeles San Gabriel Mountains: east of Valyermo, east end of Holcomb Ridge, 0.35 - 0/45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge. 1280 Comment
  RSA729661  Antennaria dimorpha R. G. Swinney 1998-7-2 6259 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.6 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2134 Comment
  RSA0110782  Anthemis cotula Steven A. Junak 2000-7-1 SCa- 1376 Los Angeles Santa Catalina Island. Jus N of Cape Canyon Road, 0.4 mi. E of intersection w/Middle Ranch Road, at storage shed, near Cape Canyon corrals. 228 Comment
  RSA416827  Anthemis cotula F. R. Fosberg 1930-6-23 S- 2962 Los Angeles Del Rey 2 Comment
  LA99313  Antirrhinum coulterianum Jonathan Sauer; 1978-5-27 6038 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon State Park, high ridge in Topanga State Park. Comment
  POM6272  Antirrhinum coulterianum A. Lucille Reed 1908-5-2 5 Los Angeles Claremont. 100 Comment
  UCR155642  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato 2005-4-26 29690 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  SEINET3158873  Antirrhinum coulterianum D. M. Jackson, R. W. Spellenberg 1972-5-20 195 Los Angeles 6.8 mi N on Hwy 27 from intersection of Hwy 1, originally alternate 101 Comment
  UCR190248  Antirrhinum kelloggii R. G. Swinney 2000-5-21 7770 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, c. 300 m SW of Rincon Rd. entrance and Hwy 39, on plateau W of Rincon Rd. 549 Comment
  RSA615863  Antirrhinum multiflorum Scott D. White 1995-10-19 3698 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 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
  UC219141  Antirrhinum multiflorum I. Johnston 1917-6-20 Los Angeles San Antonio Canyon 1066 Comment
  SBBG32042  Aphanes occidentalis R. N. Philbrick with R. F. Thorne 1967-5-19 67 258 a Los Angeles between Sweetwater and Middle Ranch Cyns Comment
  RSA151228  Aphanisma blitoides P. H. Raven 1962-4-9 17178 Los Angeles San Clemente Island: on sides of small arroyo above Wilson Cove 61 Comment
  UCR184202  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2007-4-24 33490 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1128 Comment
  UC407307  Apiastrum angustifolium LeRoy Abrams 1903-3-14 3136 Los Angeles San Pedro Hills; Southern California, San Pedro Hills Comment
  RSA587993  Aquilegia formosa Orlando Mistretta, Tim S. Ross 1994-6-1 1302 Los Angeles San Gabriel Mountains: Santiago Canyon. 1610 Comment
  RSA0051700  Aquilegia truncata Lee Haines 1935-6-24 s.n. Los Angeles San Gabriel Mountains. Comment
  RSA0126238  Arabis glabra var. glabra Scott D. White, P. De Vries 2000-5-18 7896 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA733181  Aralia californica R. G. Swinney 1998-8-21 6784 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  RSA755896  Arceuthobium californicum R. G. Swinney 2008-7-25 9302 Los Angeles Twin Peaks, east peak. 2357 Comment
Read comments
Sep 27 2010
  RSA226949  Arceuthobium californicum Robert F. Thorne 1971-8-25 41235 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Baden-Powell, N slope along trail to Vincent Gap 2226 Comment
  UCR209140  Arceuthobium campylopodum R. G. Swinney 2008-6-17 9049 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  POM9794  Arceuthobium occidentale Philip A. Munz 1921-4-24 4423 Los Angeles Sandbergs, Ridge Road. 1524 Comment
  CAS-BOT-BC23856  Arctostaphylos catalinae Robert F. Thorne; P. C. Everett 1965-5-12 34599 Los Angeles Santa Catalina Island, wooded slopes of Bulrush Canyon. 274 Comment
  RSA244822  Arctostaphylos glandulosa F. R. Fosberg 1931-4-23 4685 Los Angeles Santa Catalina Island. Headwaters of Swain's Canyon, NE slopes of Black Jack Mountain. 350 Comment
  UCR213773  Arctostaphylos glandulosa Scott D. White, Justin M. Wood 2009-5-6 12684 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  CAS-BOT-BC23209  Arctostaphylos glandulosa subsp. glandulosa Mrs. Joseph Clemens 1922-5-27 s.n. Los Angeles Fish Canyon Comment
  CAS-BOT-BC24695  Arctostaphylos glandulosa subsp. mollis Roxana S. Ferris 1941-3-10 10325 B Los Angeles First Tributary in Pico Canyon, Santa Susana Mts., near U.S. Highway #99. 411 Comment
  RSA626690  Arctostaphylos glandulosa subsp. mollis Allen Massihi, Jon E. Keeley 1992-7-27 15733 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA626810  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1992-10-15 22093 Los Angeles S-facing slopes at end of Hwy 39, NW of Crystal Lk. 1720 Comment
  CAS-BOT-BC39343  Arctostaphylos glauca Brandegee 1889-5-1 s.n. Los Angeles Pasadena Comment
  RSA631503  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15981 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631529  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15994 Los Angeles Hughes Lake Road, south of Cottonwood Campground. 800 Comment
  RSA631531  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15996 Los Angeles Hughes Lake Road, south of Cottonwood Campground. 800 Comment
  RSA631594  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15961 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631661  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20180 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA634346  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22071 Los Angeles Northern end of Crystal Lake Campground, San Gabriel Mountains. 1850 Comment
  RSA634724  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20523 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634765  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20607 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634799  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20459 Los Angeles S of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1700 Comment
  RSA634847  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20540 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634902  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20296 Los Angeles Road to Mt. Gleason, 1 km west of Mill Creek Summit, San Gabriel Mtns. 1550 Comment
  RSA634916  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22047 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA635155  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20281 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  POM121347  Arctostaphylos patula H. A. Jensen 1933-3-24 378 Los Angeles Mt. Islip 2439 Comment
  UCR190938  Arctostaphylos patula R. G. Swinney 1998-7-2 6245 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR202708  Arctostaphylos patula R. G. Swinney 2001-8-18 8050 Los Angeles San Gabriel Mtns., Mt. Baden-Powell 2866 Comment
  UCR101514  Arenaria macradenia var. arcuifolia Steve Boyd, Laura Moore, M. Wall 1997-7-24 10024 Los Angeles Liebre Mountian Region, Sumit of Liebre MOuntain, saddle at head of N Fork Fish Canyon, north of Atmore Meadows and south of Oak Flat, along FS Rd. 7N23, 4.2 mi west of jct with 7N08. 1720 Comment
  RSA300697  Arenaria macradenia var. arcuifolia J. R. Shevock 1974-7-19 3735 Los Angeles Messenger flats near Mt. Gleason Comment
  UC120415  Arenaria macradenia var. macradenia S. B. Parish 1882-5-1 1329 Los Angeles Mojave Desert, Rock Creek Comment
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Sep 27 2016
  UCSB2121  Argemone munita Wedberg, H. 1958-7-3 Los Angeles Crystal Lake, San Gabriel Mtns. Comment
  RSA779996  Argyranthemum foeniculaceum R. G. Swinney 2009-4-7 10284 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west 184 Comment
  RSA763833  Argyranthemum foeniculaceum Doris Bowers 1972-7-13 1863 Los Angeles Lunada Bay 1 Comment
  LA35978  Aristida adscensionis Peter H. Raven; David S. Verity 1960-5-7 15327 Los Angeles Santa Monica Mountains, Arroyo Sequit 243 Comment
  RSA190929  Aristida adscensionis var. modesta R. F. Thorne 1967-5-18 36879 Los Angeles Santa Catalina Island: Salta Verde 244 Comment
  SDSU6221  Artemisia californica R. M. Beauchamp 1967-6-2 537 Los Angeles On north rim of canyon below Lemon Tank, San Clemente Island. 305 Comment
  RSA0035897  Artemisia douglasiana R. G. Swinney 2009-11-9 11583 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA749760  Artemisia douglasiana R. G. Swinney 1997-9-6 5860 Los Angeles Mescal Picnic Park [= Mescal Campground] about 200 m N of Big Pines Rd along Mescal Canyon bottom. 1854 Comment
  RSA6008  Artemisia douglasiana C. B. Wolf 1932-10-5 4233 Los Angeles 1 mile from Middle Ranch on road to Black Jack Mine on road to middle Ranch. 274 Comment
  RSA417358  Artemisia nesiotica M. B. Dunkle 1939-4-5 7276 Los Angeles Pyramid Cove, San Clemente Island. Comment
  SD48941  Artemisia nesiotica Reid Moran 1958-9-15 6833 Los Angeles San Clemente Island; Canyon 1.8 miles southeast of Eel Point. 99 Comment
  JEPS9094  Artemisia tridentata subsp. parishii John Thomas Howell 1950-11-9 27484 Los Angeles 3 mi sw of Newhall Comment
  POM290504  Artemisia tridentata subsp. tridentata Lyman Benson 1949-11-7 14279 Los Angeles Jackson Lake northeast of Big Pine. San Gabriel Mt. Ranges. 1981 Comment
  POM246789  Arthrocnemum subterminale F. R. Fosberg 1931-5-17 4888 Los Angeles Santa Catalina Island. Little Harbor. 5 Comment
  SD75648  Arthrocnemum subterminale M. B. Dunkle 1940-8-21 7652 Los Angeles Middle of San Clemente Island. Comment
  SEINET10637450  Asclepias albicans Sphon 1959-3-31 SPHON 269 Los Angeles 10.0 miles south of HWY 78, San Diego County Comment
  UCR187218  Asclepias californica A. C. Sanders 2006-5-16 32340 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, c. 1/4 mile north of Hwy 138, south the California Aqueduct 1012 Comment
  LA201860  Asclepias eriocarpa Arthur C. Gibson; 2003-5-31 4970 Los Angeles Santa Monica Mountains, Malibu Creek drainage, Mulholland Highway we of Calabasas and just E of Soka University Comment
  SJSU13466  Asclepias fascicularis C. W. Sharsmith 1940-8-29 4229 Los Angeles head of Eaton Canyon, San Gabriel Mts 1371 Comment
  UCR252999  Asclepias fascicularis Mitch Provance 2013-6-3 613- 14 Los Angeles Pomona, near border of Chino and San Bernardino Co., west of intersection of Ficus St. and Riverside Dr. 227 Comment
  UCR88679  Asclepias fascicularis Scott D. White 1995-10-19 3720 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
  RSA145429  Asclepias fascicularis Gale Sphon 1959-6-27 370 Los Angeles Twin Valleys Girl Scout Camp, 8 miles west of Wrightwood. Comment
  POM181465  Asclepias speciosa H. F. Copeland 1927-7-18 s.n. Los Angeles Campus of the University of California. Comment
  SFV4251A  Asclepias vestita K. A. Wilson, M. L. Vincent 1965-5-18 1341 Los Angeles Mojave Desert Pearblossom. Corner of Fort Tejon and Longview roads. Comment
  SD113716  Astragalus didymocarpus Darley F. Howe 1948-5-3 1804 Los Angeles 1.5 miles south of Lancaster Comment
  JEPS54633  Astragalus didymocarpus var. didymocarpus J. B. Davy May 9 1896-May 24 1896 2629 Los Angeles Cienga in Leonis Valley (western Mohave Desert); , Cienega in Leonis Valley Comment
  IRVC26984  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  RSA90175  Astragalus lentiginosus var. variabilis F. W. Peirson 1922-7-7 3194 Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  SEINET945171  Astragalus leucopsis Lewis S. Rose 1949-1 49107 Los Angeles U. S. Highway 101, coastal 5 mi. e. of Ventura Co. line Comment
  CAS-BOT-BC186466  Astragalus nevinii Peter H. Raven 1962-7-11 18007 Los Angeles 1 mile south of Wilson Cove. San Clemente Island Comment
  UC1587707  Astragalus nevinii Tim Ross, Orlando Mistwetta, Mike Hammitt 1991-5-17 5086 Los Angeles sw new landing field (coastal terrace at West Cove, San Clemente Island); San Clemente Island, West Cove 6 Comment
  UCR280639  Astragalus trichopodus Mike Misenhelter 2017-4-18 s.n. Los Angeles Los Angeles Basin; Puente Hills, edge of Rose Hills Cemetery, off Workman Mill Rd. near Puente Hills Landfill and Rio Hondo College 274 Comment
  RSA2567  Astragalus trichopodus P. A. Munz 1918-4-30 2095 Los Angeles South Hills, Pomona Comment
  POM24205  Astragalus trichopodus var. lonchus Ernest Braunton 1902-5-25 s.n Los Angeles Redondo. Comment
  RSA599268  Astragalus trichopodus var. phoxus Steve Boyd, Lauren Raz 1997-3-31 9442 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA599475  Astragalus trichopodus var. phoxus Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9493 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
  RSA4810  Atriplex James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Comment
  CDA23238  Atriplex canescens T. C. Fuller 1958-8-6 Los Angeles East of 90th East at Avenue I, 9 miles east of Lancaster. 0 Comment
  OBI70694  Atriplex canescens subsp. canescens Louis C. Wheeler 1956-9-15 7240 Los Angeles San Gabriel Mts. Caldwell Lake Comment
  CAS-BOT-BC172645  Atriplex coulteri Peter H. Raven 1962-5-21 17799 Los Angeles Santa Catalina Island: road from Middle Ranch to Bullrush Canyon 243 Comment
  POM657  Atriplex coulteri George B. Grant, Walter Wheeler 1904-4-21 82 a 2313 Los Angeles Santa Catalina Island. Pacific Ocean off Southern California. Comment
  SD69367  Atriplex coulteri Robert F. Thorne, P. Everett 1965-5-11 34645 Los Angeles Santa Catalina Island; along road from Rancho Escondido above Cottonwood Dam in Cottonwood Canyon. 105 Comment
  RSA743656  Atriplex glauca R. E. Riefner Jr. 2007-4-21 7 -181 Los Angeles Palos Verdes Peninsula, Portuguese Bend, 0.5 mi S of Peppertree Dr. on Palos Verdes Dr. South 68 Comment
  UC56074  Atriplex leucophylla J. H. Barber 1898-8-3 Los Angeles Santa Monica Beach Comment
  RSA0030724  Atriplex phyllostegia B. C. Templeton, I. W. Clokey 1930-4-8 1062 Los Angeles West of Lancaster. 305 Comment
  UCR18898  Atriplex polycarpa Alfred R. Roos 1948-9-15 s.n. Los Angeles Transverse Range/Mojave Desert, Mint Canyon, south of Palmdale Comment
  CATA43  Atriplex semibaccata USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 24 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  RSA453962  Atriplex semibaccata Joseph A. Ewan 1931-7-31 4773 Los Angeles Telegraph Road near Santa Fe Crossing, East Los Angeles. Comment
  UCR24093  Atriplex semibaccata John C. Roos 1937-9-7 s.n. Los Angeles Westwood Village, Los Angeles 90 Comment
  RSA422254  Atriplex serenana George R. Johnstone 1930-10-18 s.n. Los Angeles South of Rosemead. Comment
  UCR125267  Atriplex suberecta A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25511 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, oil production area 366 Comment
  LA31608  Atriplex triangularis Peter H. Raven; Henry J. Thompson 1959-9-6 14370 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 3 Comment
  SD75632  Atriplex watsonii M. B. Dunkle 1939-4-4 7264 Los Angeles San Clemente Island, China Point. Comment
  RSA385381  Avena barbata Edith A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Near Torrance. Comment
  SFV22134  Avena barbata V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 756 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Open, south-southwest-facing, rocky slope below trail along ridgetop. 488 Comment
  RSA385414  Avena sativa F. R. Fosberg 1931-4-16 S- 4662 Los Angeles Eagles Nest, Middle Ranch Canyon; Santa Catalina Island. 180 Comment
  UCR219933  Avena sativa R. G. Swinney 2009-4-16 10377 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  RSA0034489  Azolla filiculoides Philip R. Brown 1971-1-8 s.n. Los Angeles Canon de Lana, L.A. Pierce College. 279 Comment
  JEPS26125  Baccharis plummerae subsp. plummerae Peter H. Raven and Henry J. Thompson 1958-10-11 13749 A Los Angeles 1.8 mi n of Coast Highway Tuna Canyon (Tuna Canyon, Santa Monica Mountains); Santa Monica Mountains 426 Comment
  CAS-BOT-BC106759  Baccharis salicifolia Elmer I. Applegate 1931-11-2 6828 Los Angeles San Fernando Valley Comment
  RSA590936  Baccharis salicifolia Orlando Mistretta 1994-4-12 1027 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 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
  RSA151269  Bassia hyssopifolia P. H. Raven 1962-7-12 18033 Los Angeles Northwest Harbor, San Clemente Island 9 Comment
  OBI6014  Berberis nevinii Carl B. Wolf 1927-1 Los Angeles Comment
  RSA683892  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25258 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mi. SW of Castaic Junction. 305 Comment
  CHSC98079  Beta vulgaris A. C. Sanders; Mark Elvin 2003-8-7 27158 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. Riparian forest, bordered by agricultural fields on alluvial slopes to the north. 282 Comment
  RSA724075  Beta vulgaris R. E. Riefner 2006-7-29 6 -329 Los Angeles Torrance, Victoria Park, Dominguez Channel, vicinity of Del Amo Blvd. and Carson Plaza Dr. 9 Comment
  CAS-BOT-BC102038  Bidens laevis Grant 1901-9-19 4553 Los Angeles Pasadena Comment
  SDSU6443  Bidens pilosa H. Wedberg 1967-1-1 1316 Los Angeles Corner of Sunset Blivd. x Marquez Ave., about ` mile from Pacific Coast Highway in Pacific Palisades. Vacant lot. 30 Comment
  SEINET3243571  Bloomeria crocea var. aurea Unknown 1902-1 114 Los Angeles Garvanza, So Cal Comment
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Jan 11 2015
  SD39074  Bloomeria crocea var. crocea H. M. Ritter 1931-4-15 1989 Los Angeles Oak Knoll. Comment
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Jul 11 2010
  CAS-BOT-BC16087  Boechera californica George B. Grant 1904-5-5 6197 Los Angeles Arroyo Seco Canyon. Comment
  CAS-BOT-BC30966  Bolboschoenus maritimus A. C. Sanders; E. J. Lott 1993-5-6 13991 Los Angeles Western Mojave Desert: SW edge of Rosamond Dry Lake, near E end of Ave C, 701 Comment
  SBBG118868  Borago officinalis S. D. White with J. Green 2004-4-23 10227 Los Angeles Pasadena, Arroyo Seco at La Loma Rd bridge crossing 213 Comment
  RSA97360  Bowlesia incana F. W. Peirson 1951-4-2 816 Los Angeles Elysian Park. Comment
  UCR194256  Boykinia rotundifolia R. G. Swinney 1998-8-5 6662 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  UCR177562  Brassica fruticulosa LeRoy Gross 2006-1-18 2442 Los Angeles Coastal Plains and Basins; San Gabriel Valley, Rancho Santa Ana Botanic Garden [Claremont]. Northwest section of the plant communities, just south of Dr. Thorne's boojum tree (Idria columnaris) 412 Comment
  RSA0036838  Brassica nigra Matt Bogdanoff 1981-5-24 11 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  RSA482919  Brassica rapa F. R. Fosberg 1931-5-14 S- 11872 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  UCR124484  Brassica rapa B. C. Templeton 1932-7-20 5050 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UC520007  Brassica rapa Joseph Andorfer Ewan 1932-4-30 7434 Los Angeles Pacific Electric Ry. Bridge at Culver City Culver City Comment
  UCR247505  Brassica tournefortii Dan S. Cooper 2013-4-22 413- 58 Los Angeles Western Transverse Range; Hollywood Hills, Hollywood Reservoir, Montlake Dr. 235 Comment
  CAS-BOT-BC100434  Brickellia californica C. F. B. 1903-8-2 3696 Los Angeles San Antonio [Canon] Canyon near Claremont Comment
  CHSC20919  Brickellia californica Robert A. Schlising 1971-10-28 3007 Los Angeles Lopez Canyon, north of Pacoima. Comment
  CHSC99227  Brickellia californica John Dittes 2006-11-3 1427 Los Angeles Western Transverse Ranges; San Gabriel Mtns; Big Tujunga Cyn; ca. 2.7 air-miles S of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. Highschool; rocky edge of flooplain of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  UCR117556  Brickellia nevinii A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23295 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 793 Comment
  UCR151221  Brickellia nevinii Scott D. White 2000-10-22 8138 Los Angeles Transverse Ranges; San Gabriel Mountains, Cismontane slope; San Antonio Canyon north of Shinn Rd. (=Mountain Ave.) crossing 793 Comment
  UCR162574  Brickellia nevinii Anuja Parikh, Nathan Gale 2004-7-1 2074 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 15), south of the river near Potrero Canyon 366 Comment
  UCR238077  Brickellia nevinii Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2104 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  RSA0116901  Bromus arizonicus Lyman Benson 1947-3-19 12283 Los Angeles Claremont. 350 Comment
  CAS-BOT-BC221630  Bromus carinatus Timothy S. Ross 1994-5-31 7962 Los Angeles San Gabriel Mountains. Pacifico Mountain: W slope, ca 315 m WSW of the 7124-ft summit 2109 Comment
  SBBG52672  Bromus carinatus F. R. Fosberg 1931-4-3 4484 Los Angeles Pebbly Beach, just above beach near rock crusher in dust and silt from crusher Comment
  SD30977  Bromus carinatus Edith A. Purer 1931-2-21 163 Los Angeles Palos Verdes Hills; field Comment
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Jul 10 2010
  UCR124475  Bromus carinatus B. C. Templeton 1932-7-20 5019 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UC1137107  Bromus carinatus var. carinatus August L. Hormay 1932-7-30 Los Angeles vicinity of Los Angeles Comment
  RSA226240  Bromus diandrus Gary D. Cromwell, David W. Wheat 1971-4-30 587 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 miles NE of Glendora 427 Comment
  RSA596385  Bromus grandis Timothy S. Ross, Steve Boyd 1995-6-28 8650 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  SEINET10933827  Bromus grandis LeRoy R. Abrams 1902-6-29 Abrams 2600 Los Angeles Summit of Mt. Wilson. Comment
  RSA251433  Bromus hordeaceus R. F. Thorne 1966-4-16 36064 Los Angeles San Clemente Island: Canyon below Lemon Tank near dump, S of Nanny, NE side of island 183 Comment
  UCD58713  Bromus hordeaceus Frank W. Gould 1944-4-12 2283 Los Angeles 120th Street near Western Avenue. Comment
  RSA92044  Bromus hordeaceus F. W. Peirson 1918-04 4198 Los Angeles Altadena. Comment
  UC905482  Bromus laevipes F. R. Fosberg 1931-4-7 S 4501 Los Angeles Santa Catalina Island, Hamilton Beach Hamilton Beach; Santa Catalina Island, Hamilton Beach 10 Comment
  SD31185  Bromus madritensis subsp. rubens Edith A. Purer 1931-3-12 957 Los Angeles Palos Verdes Hills, in field Comment
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Jul 11 2010
  CAS-BOT-BC162073  Bromus pseudolaevipes G. B. Grant 1902-5-18 s.n. Los Angeles Los Angeles. Comment
  SBBG31228  Bromus pseudolaevipes R. F. Thorne with P. C. Everett 1965-6-23 34999 Los Angeles mouth of Hamilton Cyn, NW of Avalon 7 Comment
  UCR208025  Bromus pseudolaevipes F. R. Fosberg 1931-4-7 S- 4501 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Beach 20 Comment
  PASA650  Bromus rigidus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  CAS-BOT-BC482462  Bromus rubens R. G. Swinney 2010-4-30 12462 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
  UCD59568  Bromus rubens Fay A. MacFadden 1935-4-12 s.n. Los Angeles Weldon Canyon. Comment
  RSA603330  Bromus sterilis Scott D. White 1997-5-21 5211 Los Angeles San Gabriel River Canyon: N of Azusa; roadside along Highway 39 above San Gabriel Reservoir. 476 Comment
  RSA729531  Bromus tectorum R. G. Swinney 1998-6-16 6985 Los Angeles San Gabriel Mtns; summit of Lookout (Antonio) Mountain. 2070 Comment
  UCR92087  Bromus tectorum Scott D. White 1996-4-21 3936 Los Angeles Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill Blvd., east of Towne Ave. 323 Comment
  RSA0019956  Bromus tectorum Dean Brown 1948-5-16 8 Los Angeles Near Mountain Avenue, 0.5 mile south of Angeles National Forest. 610 Comment
  UCR94698  Bromus trinii A. C. Sanders, E. J. Lott 1993-5-6 13951 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  UCR97793  Cakile maritima Scott D. White 1997-3-12 4732 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UCR138132  Calandrinia ciliata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  RSA535280  Calandrinia ciliata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5319 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA638186  Calandrinia ciliata L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 548 Comment
  RSA352850  Calocedrus decurrens B. C. Templeton 1932-5-31 4897 Los Angeles Big Pines Park; San Gabriel Mts. 2088 Comment
  SFV302  Calocedrus decurrens P. G. Kilburn 1957-12-19 572 Los Angeles San Gabriel Mountains Base of Mount Waterman ski lift 1982 Comment
  RSA732927  Calochortus albus Richard G. Swinney 2000-5-21 7773 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  SEINET5641959  Calochortus albus K. Dobry 1992-4-9 d 331 Los Angeles At Camp Shalom along East Arroyo Seguit, 5 mi north of Pacific Coast Hwy. West Santa Monica Mountains.; 0 Comment
  LA22344  Calochortus catalinae E. F. Sprague; 1933-6-10 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UC1349052  Calochortus catalinae Robert F. Thorne and P. Everett 1965-5-10 34464 Los Angeles n slope Black Jack Mt.; Santa Catalina Island 457 Comment
  RSA716600  Calochortus clavatus Charlie Hohn 2006-5-30 2 Los Angeles Roadcut on south side of USFS road 5N30, between Lake Hughes Road and crossing of Charlie Creek. 600 Comment
  UCR154145  Calochortus clavatus A. C. Sanders 2005-5-11 30170 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
  IRVC26957  Calochortus clavatus var. gracilis A. C. Sanders 2003-4-17 26065 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  POM9939  Calochortus clavatus var. gracilis Frank W. Peirson 1921-6-21 2468 Los Angeles West Fork of San Gabriel River. 686 Comment
  RSA627539  Calochortus clavatus var. gracilis Sandy Leatherman, Brian Daniels 1998-5-8 3 Los Angeles Santa Monica Mountains: S of Woolsey Canyon Road, down the existing dirt road. 366 Comment
  RSA627540  Calochortus clavatus var. gracilis Sandy Leatherman, Scott D. White 1998-5-15 9 Los Angeles Western Liebre Mountains. West of Castaic Lake and east of Interstate 5. 610 Comment
  RSA671259  Calochortus kennedyi Robert Gustafson 1978-6-1 946 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, area paralleling upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  SBBG126958  Calochortus palmeri var. palmeri A. Parikh, N. Gale 2011-7-6 3541 a Los Angeles rd to Barley Flats, 4 km W of Shortcut Stn, 1 km N of St Hwy 2 1675 Comment
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Jun 13 2015
  UC1293693  Calochortus splendens P. C. Everett and E. K. Balls 1959-6-2 23849 Los Angeles 1.5 mi ne from jct with rd to Lake Malibu and Stokes Canyon; Santa Monica Mts. Comment
  RSA377462  Calochortus splendens Louis C. Wheeler 1934-4-27 2570 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  SD247272  Calochortus venustus Mitch Provance 2010-5-18 0510 48 Los Angeles Westernmost Mojave Desert: along Hwy 138, c. 0.5 mile WSW of intersection with 300th Street West (La Liebre Ranche 7.5'Q) 940 Comment
  CAS-BOT-BC496759  Calochortus venustus Sandra Leatherman; Scott White 1998-5-15 8 Los Angeles Western Liebre Mountians. West of Castaic Lake and east of Interstate 5. 609 Comment
  RSA563855  Calystegia macrostegia subsp. macrostegia Scott D. White 1992-10-8 900 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
  RSA580980  Calystegia macrostegia subsp. macrostegia Catherine A. Mish 1995-3-4 15 Los Angeles Santa Susana Mtns., Eddleston Park. 400 Comment
  IRVC27970  Calystegia peirsonii A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26128 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
  UCR154025  Calystegia peirsonii A. C. Sanders 2005-5-11 30163 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
  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
  UCSB58947  Calystegia peirsonii Mitchell, Don 1991-6-7 Los Angeles Unnamed canyon off Charlie Canyon, near south end of Castaic Lagoon, City of Castaic Comment
  RSA0081310  Camissonia R. G. Swinney 2010-3-24 12053 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  SEINET13203250 Image available Camissonia californica R. G. Swinney 2011-1 14515 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UCR256144  Camissonia californica R. G. Swinney 2010-3-22 11996 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
  RSA279019  Camissonia californica Robert F. Thorne, C. W. Tilforth 1971-4-9 41556 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  RSA23597  Camissonia campestris subsp. campestris R. S. Woglum 1932-4-9 s.n. Los Angeles Mojave Desert: Palmdale. Comment
  RSA503385  Camissonia cheiranthifolia subsp. suffruticosa Gary D. Wallace, D. Wilken 1966-3-18 168 Los Angeles On the coast at West Beach, Point Dume, just west of Malibu along Hwy 1. Comment
  RSA617408  Camissonia graciliflora Scott D. White, Sandy Leatherman 1998-5-19 6524 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 Freeway/ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR155598  Camissonia hirtella A. C. Sanders, T. B. Salvato 2005-4-26 29698 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR259955  Camissonia hirtella R. G. Swinney 2010-4-28 12427 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR58281  Camissonia hirtella Dolores A. Davidson 1976-6-3 169 Los Angeles Graphite Canyon in Angeles National Forest; road to Lake Hughes from Lake Cataic 762 Comment
  UCR49789  Camissonia lewisii R. Mattoni 1986-1 s.n. Los Angeles South Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  RSA186524  Camissonia robusta Peter H. Raven 1963-4-17 18174 Los Angeles San Clemente Island: seed collected by M. Piehl; progeny grown at Stanford. Comment
  RSA0119027  Camissonia strigulosa A. C. Sanders, T. B. Salvato 2007-4-25 33553 Los Angeles Tehachapi Mtns.: Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines. 1174 Comment
  SD181432  Camissonia strigulosa Louis C. Wheeler 1973-4-29 Los Angeles San Gabriel Mountains; north of Mill Canyon off Soledad Canyon near Ravenna. 715 Comment
  UC873949  Camissonia strigulosa I. W. Clokey and B. C. Templeton 1930-4-8 4671 Los Angeles San Fernando Road 300 Comment
  SD130302  Camissoniopsis hirtella J. Hirshberg, T. Glenn 1990-5-21 Los Angeles Angeles National Forest, near Agua Dulce. 1219 Comment
  UC447177  Camissoniopsis hirtella J. Ewan 1931-3-21 4068 Los Angeles 1/4 mi below summit Saddle Peak; Santa Monica Mts. 731 Comment
  CAS-BOT-BC160532  Camissoniopsis lewisii H. Wedberg 1958-3-22 170 Los Angeles At Point Dume Comment
  RSA599203  Capsella bursa-pastoris L. C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 701 Comment
  SBBG70403  Capsella bursa-pastoris M. N. Ackley -Apr-1926 Los Angeles Eagle Rock 182 Comment
  RSA530951  Capsella bursa-pastoris Howard Mullins 1931-3-13 s.n. Los Angeles L.A. [Los Angeles] Vacant Lots and waste places in the city, roadsides Comment
  LA200310  Cardamine californica Martha Hilend Kinsey; 1934-3-10 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UCR137098  Cardamine californica June Latting 1958-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 3 miles west of Seminole Hot Springs on Mulholland Hwy 610 Comment
  UCR216748  Cardamine hirsuta R. G. Swinney 2009-2-20 10005 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR207706  Cardamine oligosperma Justin M. Wood 2009-4-13 480 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  UCR272639  Carduus pycnocephalus R. G. Swinney 2011-5-6 14580 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  UCR182756  Carex R. G. Swinney 1997-7-22 5708 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
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Sep 12 2018
  UCR209852  Carex R. G. Swinney 2008-7-13 9188 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
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Sep 12 2018
  UCR271179  Carex R. G. Swinney 2011-9-27 15696 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
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Sep 12 2018
  UCR49896  Carex abrupta David Charlton 1986-6-15 280 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  RSA364582  Carex alma Anstruther Davidson 1906-6-1 1487 Los Angeles Big Rock Creek Comment
  RSA547423  Carex alma Timothy S. Ross 1992-5-17 6348 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River, just NE of Heaton Flat; 25 degrees NNE, 885m distant from East Fork Station 695 Comment
  RSA602754  Carex bolanderi L. C. Wheeler 1967-8-2 10298 Los Angeles San Gabriel Mountains, Angeles National Forest: Sheep Camp Spring, W slope Mt. Pacifico 1951 Comment
  RSA0025150  Carex fracta Jane Tirrell 2012-6-11 LS 0062 Los Angeles Lily Spring; north-facing forested slope near spring pproximtely 0.25 miles northwest of Mt Hawkins 2455 Comment
  SBBG59309  Carex mariposana I. M. Johnston 1917-7-4 1399 Los Angeles Baldy Summit, San Antonio Mtns 3048 Comment
  UCR191195  Carex multicaulis R. G. Swinney 1999-7-5 7528 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  CAS-BOT-BC118423  Carex praegracilis Robert F. Thorne 1966-4-6 35902 Los Angeles Santa Cataline Island: along small stream running into reservoir N of Catalina Airport. 441 Comment
  SD230106  Carex praegracilis Steve Boyd 1996-4-25 8675 Los Angeles Liebre Mountains, Knapp ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienega Canyon, south of Liebre Mountain. From gate near spring area along FSR 7N22 down to wetland south of the old dry pastures. 914 Comment
  RSA88855  Carex praegracilis Joseph A. Ewan 1932-4-30 7447 Los Angeles Pacific Electric Ry. Bridge, Culver City. Comment
  UCR150601  Carex subfusca L. C. Wheeler 1966-10-1 8948 Los Angeles San Gabriel Mtns., Colby Ranch Comment
  RSA589317  Carex tumulicola Timothy S. Ross 1995-5-21 8612 Los Angeles San Clemente Island: West fork at the head of Snail Canyon , bottom of draw. 238 Comment
  RSA536055  Carex tumulicola Timothy S. Ross 1991-5-21 5390 Los Angeles San Clemente Island: upper easterly branch of Box Canyon. 463 Comment
  LA200845  Castilleja affinis subsp. affinis D. Bradbury; J. Sauer 1969-7-14 4610 Los Angeles Comment
  UC440397  Castilleja affinis subsp. affinis Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Las Flores Canyon; Santa Monica Mountains Comment
  POM7656  Castilleja affinis subsp. affinis C. F. Baker 1904-5-12 4232 Los Angeles Hills near Claremont. Comment
  RSA593597  Castilleja applegatei subsp. martinii Steve D. Boyd, Orlando Mistretta 1996-5-23 8828 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UC147000  Castilleja applegatei subsp. martinii C. F. Baker 1909-5-15 5312 Los Angeles mountains near Claremont Comment
  UC219115  Castilleja applegatei subsp. martinii D. L. C. 1915-6-30 Los Angeles mts above Claremont 2133 Comment
  RSA188541  Castilleja applegatei subsp. martinii Robert F. Thorne, John Olmsted 1965-8-26 35407 Los Angeles San Gabriel Mtns, Angeles National Forest: Cabin Flat along Prairie Fork, 1585 Comment
  SFV3412  Castilleja exserta M. L. Vincent 1962-3-30 157 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Old Topanga Canyon Road. Roadside. 440 Comment
  UCR184216  Castilleja exserta A. C. Sanders 2007-4-19 33459 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR138706  Castilleja exserta subsp. exserta L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mtns, Spring Hill, San Antonio Canyon 1220 Comment
  RSA11072  Castilleja foliolosa Carl B. Wolf 1928-3-29 1558 Los Angeles Junction of Pine Canyon road and road to Sandbergs. 3 mi. S.W. of Neenach. 1067 Comment
  UCR275527  Castilleja gleasoni D. E. Bramlet 2011-8-13 4944 Los Angeles San Gabriel Mountains, Mt. Gleason, along Mt. Gleason Rd./ Forest Serv. Rd 3N17 1944 Comment
  RSA145431  Castilleja miniata subsp. miniata Gale Sphon 1959-7-4 389 Los Angeles 1 mile north of Little Jimmy Springs, Angeles Crest Highway, Angeles National Forest. Comment
  RSA522955  Castilleja minor subsp. spiralis Tim S. Ross, Orlando Mistretta 1990-10-26 3320 Los Angeles San Gabriel Mountains: Horse Canyon drainage. 659 Comment
  RSA638953  Castilleja minor subsp. spiralis Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, 0.4 miles (airline) south southeast of Burkhart Saddle. 2012 Comment
  RSA719586  Castilleja minor subsp. spiralis R. G. Swinney 1997-7-14 5674 Los Angeles Glendora, Big Dalton Canyon Debris Basin, Big Dalton Canyon 341 Comment
  UC885437  Castilleja minor subsp. spiralis Louis C. Wheeler 1932-7-2 892 Los Angeles San Dimas Canyon; San Gabriel Mts. 457 Comment
  RSA772385  Castilleja plagiotoma R. G. Swinney 2009-5-12 10756 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  JEPS81754  Castilleja pruinosa L. R. Heckard with Michael Morris 1976-6-13 4267 Los Angeles e flank Mt. Gleason; San Gabriel Mts. 1706 Comment
  UC10381  Caulanthus amplexicaulis J. Burtt Davy May 9 1896-May 24 1896 2563 Los Angeles Manzana Antelope Valley, Manzana Comment
  RSA610969  Caulanthus amplexicaulis var. amplexicaulis L. C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2011 Comment
  RSA585337  Caulanthus cooperi Timothy S. Ross 1991-4-27 4646 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  POM369304  Caulanthus coulteri Ora M. Clark 1929-3-30 1904 Los Angeles W. Lancaster. Comment
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Apr 10 2012
  POM82722  Caulanthus heterophyllus var. heterophyllus P. A. Munz 1925-4-23 9451 Los Angeles San Gabriel Canyon. 488 Comment
  UCR138859  Caulanthus lasiophyllus L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns., Aliso Canyon, 0.5 mi SSW of Blum Ranch 976 Comment
  RSA0080771  Caulanthus lasiophyllus var. rigidus R. G. Swinney 2010-5-19 12790 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  CAS-BOT-BC47909  Ceanothus arboreus Knopf; Johnson 1930-1-30 11214 Los Angeles Catalina Island Comment
  LA82214  Ceanothus crassifolius O. H. Kappler; 1941-3-26 148 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, main ridge at head of canyon. 609 Comment
  RSA398855  Ceanothus crassifolius Bonnie C. Templeton 1929-12-15 1449 Los Angeles Arroyo Seco, near Camp Switzers. 900 Comment
  UCR258950  Ceanothus crassifolius R. G. Swinney 2010-2-27 11742 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
  RSA230715  Ceanothus greggii var. vestitus Robert F. Thorne, M. Z. Thorne 1969-7-9 38477 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  CAS-BOT-BC50656  Ceanothus jepsonii C. F. Baker 1903-12-26 4001 Los Angeles Pomona Comment
  CAS-BOT-BC50600  Ceanothus leucodermis George B. Grant; Walter Wheeler 1904-5-17 145 a Los Angeles Mt. Wilson 1828 Comment
  UC1070858  Ceanothus leucodermis A. Lewis Jan 1934 244 Los Angeles Elizabeth Lake Canyon Elizabeth Lake quad., Angeles National Forest 883 Comment
  UC205369  Ceanothus leucodermis I. M. Johnston 1917-7-28 1577 Los Angeles San Antonio Canyon San Antonio Mts. 1752 Comment
  UCSB36660  Ceanothus leucodermis Brownell, Kathleen 1980-5-18 Los Angeles 3 mi. N of Hwy 83 on Mt. Baldy Rd.; San Gabriel Mtns.; Angeles National Forest 1127 Comment
  CATA3232  Ceanothus megacarpus Julie L. King 2017-1-17 43 Los Angeles Santa Catalina Island: North side of West End Rd., about 0.5 road miles northeast of junction with Silver Peak Rd. 105 Comment
  RSA161090  Ceanothus megacarpus var. insularis Peter H. Raven 1962-5-20 17783 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  RSA399714  Ceanothus megacarpus var. insularis Reid V. Moran 1941-3-5 679 Los Angeles Salta Verde, Santa Catalina Island. 350 Comment
  CAS-BOT-BC50463  Ceanothus oliganthus Scott D. White 2004-7-27 10624 Los Angeles San Gabriel Mountains: Clear Creek area. Roadside and hiking trail S side of Angeles Fores Hwy, ca. 0.2 mi W of jtn 1066 Comment
  CAS-BOT-BC50489  Ceanothus oliganthus L. E. Cox 1908-3-31 s.n. Los Angeles Lower slopes of Mt. Wilson 609 Comment
  CAS-BOT-BC50493  Ceanothus oliganthus Tim Ross; Steve Boyd 1991-4-25 4602 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.) 530 Comment
  RSA602342  Ceanothus oliganthus var. oliganthus Scott D. White 1997-5-8 5089 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA630267  Ceanothus spinosus LeRoy Gross 1999-2-20 112 Los Angeles Santa Monica Mountains: Along the Will Rogers backbone trail. 610 Comment
  UCR124375  Ceanothus spinosus I. W. Clokey, B. C. Templeton 1929-1 4439 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCSB3998  Ceanothus spinosus Haller, Norman 1953-3-29 Los Angeles Approx 100 yds. West of Sepulveda on little dirt road off Mulholland 457 Comment
  SEINET10530515  Cedrus deodara Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4882 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
  SEINET11736536  Cedrus libani Unknown 1921-1 s.n. Los Angeles Los Angeles Comment
  SBBG59129  Cenchrus incertus R. Hoffmann 1931-9-28 Los Angeles Lancaster Comment
  JEPS112754  Centaurea benedicta Dean W. Taylor 2002-5-1 18029 Los Angeles ca. 0.5 miles E of intersection of Johnson Road and Elizabeth Lake Road (ca. 1 mile N of Andrade Corner) 1005 Comment
  CHSC25954  Centaurea melitensis E. Bushey 1968-5-22 82 Los Angeles Mulholland Dr. 304 Comment
  UC934032  Centaurea melitensis H. L. Cogswell 1951-5-18 102 Los Angeles 0.6 mi n of San Dimas Park; San Gabriel Mountains 457 Comment
  POM83826  Centaurium venustum Marcus E. Jones 1884-5-8 s.n. Los Angeles Pasadena. Comment
  RSA156046  Centranthus ruber Peter H. Raven 1962-5-20 17764 Los Angeles Santa Catalina Island, just east of Avalon on Pebbly Beach Road. Comment
  CATA291  Centromadia pungens subsp. pungens Mark L. Hoefs 1973-6-4 309 Los Angeles Santa Catalina Island: Field above golf course #4 green, Avalon Canyon 53 Comment
  CAS-BOT-BC179821  Centrostegia thurberi Frank W. Peirson 1919-5-10 28 Los Angeles Arraster Creek, San Gabirel Mts. 914 Comment
  SBBG62304  Centrostegia thurberi R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  SD108967  Centrostegia thurberi James Henrickson 1973-5-12 9606 Los Angeles 6 (air) miles SE of Pearblossom, 4.6 (rd) miles S of Llano in lower portion of Bob's Gap along 165 St. 1234 Comment
  UCR151733  Centrostegia thurberi LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 871 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  UCR282005  Centrostegia thurberi R. G. Swinney 2014-5-1 16323 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
  RSA605502  Centrostegia thurberi Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  CATA1214  Cerastium glomeratum Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2270 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  RSA0104992  Cerastium glomeratum R. G. Swinney 2011-3-18 14146 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA585030  Ceratonia siliqua Tim S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  RSA453264  Cercocarpus betuloides Geo. L. Moxley 1916-6-15 493 Los Angeles Brown's Canyon Comment
  RSA535884  Cercocarpus betuloides Tim S. Ross 1991-9-2 5907 Los Angeles near Mulholland Hwy at Yerba Buena Rd. 541 Comment
  SEINET3246011  Cercocarpus betuloides R. G. Swinney 2009-1 11267 Los Angeles Transverse Range; San Gabriel Mtns.: summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  LA200811  Cercocarpus betuloides var. betuloides Jonathan Sauer; J. Habeck, D. Bradbury 1969-5-21 4552 Los Angeles Santa Monica Mountains, above Encino 396 Comment
  SBBG128341  Cercocarpus betuloides var. betuloides V. Duran 1933-8-10 3544 Los Angeles South Fk Big Rock Crk 1394 Comment
  UCSB2764  Cercocarpus betuloides var. betuloides Decker, Helen 1946-4-14 Los Angeles N.E. slope of Canyon, Arroyo Seco Canyon 1219 Comment
  CAS-BOT-BC137243  Cercocarpus betuloides var. blancheae Ralph N. Philbrick; Robert F. Thorne 1967-5-18 B 67 -184 Los Angeles Upper east branch of Wild Boar Gully, Salta Verde, Santa Catalina Island Comment
  POM158299  Cercocarpus betuloides var. blancheae M. B. Dunkle 1928-3-11 1724 Los Angeles Grand Canyon, Santa Catalina Island. 159 Comment
  SBBG31385  Cercocarpus betuloides var. blancheae R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-13 36737 Los Angeles Salta Verde, Wild Boar Gully 167 Comment
  SD69027  Cercocarpus betuloides var. blancheae Robert F. Thorne, D. Propst 1968-5-29 37693 Los Angeles Santa Catalina Island: North slope of Black Jack Mountain, at upper end Swain's Canyon towards Echo Lake. 395 Comment
  RSA718065  Cercocarpus ledifolius var. ledifolius R. G. Swinney 1997-8-19 5821 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA733566  Cercocarpus ledifolius var. ledifolius R. G. Swinney 1998-8-13 6735 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  RSA14715  Cestrum nocturnum Theodore Payne 1935-7-20 s.n. Los Angeles Los Angeles. Comment
  UCR269931  Cestrum nocturnum R. G. Swinney 2010-6-11 13247 Los Angeles San Gabriel Mountains, Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mile north of Foothill Blvd. 184 Comment
  UC1922885  Chaenactis artemisiifolia Valerie Soza, Bill Hogshead 2003-4-23 1636 Los Angeles Transverse Ranges; Verdugo Mountains; Brand Park, Brand Canyon 457 Comment
  UCR252894  Chaenactis artemisiifolia R. G. Swinney 2010-5-29 13399 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  SEINET7379759 Image available Chaenactis artemisiifolia J. H. Barber s.n. Los Angeles Santa Monica Forestry Station Comment
  UC1174387  Chaenactis fremontii Ira L. Wiggins and W. R. Ernst 1958-5-2 230 Los Angeles 1 mi nw of Little Rock Comment
  UCD130324  Chaenactis fremontii James Henrickson 1965-4-22 1933 Los Angeles Mojave Desert: Along Highway 138, 1 mile SE of junction with Highway from Victorville and 25 miles W from Victorville. 975 Comment
  UCR192579  Chaenactis glabriuscula A. C. Sanders 2008-4-10 34821 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
  RSA599709  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9458 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
  RSA301932  Chaenactis glabriuscula var. lanosa J. R. Shevock 1971-5-11 1051 Los Angeles Sierra Hwy, near Soledad Jct. 579 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
  CAS-BOT-BC279715  Chaenactis xantiana Ernest C. Twisselmann 1962-4-18 6953 Los Angeles Tehachapi Mountains. Oso Canyon, 0.5 mile west of Coe Field fence 1036 Comment
  RSA578651  Chaenactis xantiana Timothy S. Ross, J. Mark Porter 1994-5-1 7614 Los Angeles ca. 3950 m NNE of Moody Springs and 2620 m W of the LA/ San Bern. County Line. 873 Comment
  RSA599610  Chamaesyce albomarginata Steve Boyd, Lauren Raz 1997-4-16 9504 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  RSA526589  Chamaesyce albomarginata T. S. Ross 1991-3-24 4290 Los Angeles Whittier Hills (Puente Hills, pro parte). 313 Comment
  POM305699  Chamaesyce melanadenia H. J. Ramsey, Henry J. Ramsey 1937-3-26 967 Los Angeles Pacoima Canyon, near San Fernando, Angeles National Forest. Comment
  RSA432397  Chamaesyce melanadenia Elbert Benjamine 1929-1-13 8426 Los Angeles Sierra Madre. Comment
  RSA607517  Chamaesyce serpens L. C. Wheeler 1969-11-20 s.n. Los Angeles Mission Road & Parkside ave. Comment
  RSA609536  Chamaesyce serpens L. C. Wheeler 1970-11-8 s.n. Los Angeles Pomona: 328 W. Olive Street. Comment
  JEPS60013  Cheilanthes covillei Joseph Ewan 1932-6-12 7373 Los Angeles North Fork Tujunga Creek 975 Comment
  UC1595344  Cheilanthes covillei Tim Ross 1992-5-17 6363 Los Angeles sse-draining draw 64 degrees 645 m distant from mouth of Shoemaker Canyon (E Fork San Gabriel River); San Gabriel Mts 710 Comment
  RSA535736  Cheilanthes newberryi T. S. Ross 1991-5-23 5485 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 3 Comment
  NY185211  Cheiranthus suffrutescens L. Abrams 1902-6-10 2511 Los Angeles Playa del Rey Comment
  SEINET10539461 Image available Cheiranthus suffrutescens LeRoy R. Abrams 1902-6-10 Abrams 2511 Los Angeles Playa del Rey. Sand dunes. Comment
  UCR189818  Chenopodium R. G. Swinney 1998-9-4 6889 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  RSA624446  Chenopodium ambrosioides L. C. Wheeler 1932-9-9 1364 Los Angeles San Gabriel Mountains: San Antonio Canyon. 1097 Comment
  RSA0048210  Chenopodium ambrosioides L. E. Hoffman 1963-7-7 s.n. Los Angeles Malibu Lagoon. 0 Comment
  IRVC28746  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25521 Los Angeles Santa Clara River Valley, S side at edge of farm fields near mouth of "Long Canyon" ca. 1 km due S of Del Valle NE end of Santa Susana Mtns. 274 Comment
  SBBG18741  Chenopodium berlandieri E. R. Blakley 1962-10-5 5424 Los Angeles old mill site in Hen Cove N of White's Landing 3 Comment
  SDSU5584  Chenopodium californicum R. M. Beauchamp 1967-1-28 134 Los Angeles 1/2 mile southeast of Eel Point. San Clemente Island. Comment
  HSC24499  Chenopodium fremontii R. F. Thorne, M. Z. Thorne 1969-7-9 38561 Los Angeles San Gabriel Mtns., Angeles National Forest, upper part of meadow at Big Pines 2088 Comment
  RSA603814  Chenopodium leptophyllum Steve Boyd 1997-9-10 10030 Los Angeles Liebre Mountains Region: High point of Liebre Mountain near old radio tower site, at divide between Horse Camp Canyon and Castaic Creek watershed., Near 34 deg 43' 07.6''N 118 deg 40' 07.7''W. 1743 Comment
  RSA5264  Chenopodium macrospermum var. farinosum C. B. Wolf 1932-9-16 4091 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
  UCR241706  Chenopodium murale Dan S. Cooper 2012-9-6 912- 64 Los Angeles Los Angeles Basin/South Coast, Playa del Rey, open area between Vista Del Mar and Culver Blvd., NW of LA Int. Airport 4 Comment
  POM18756  Chenopodium murale P. A. Munz 1923-4-9 6689 Los Angeles San Clemente Island. Lemon Tank. Comment
  RSA250482  Chenopodium pratericola R. F. Thorne, John Dourley 1967-10-10 37342 Los Angeles Angeles National Forest: Blue Ridge. 2256 Comment
  RSA748847  Chenopodium pumilio Justin M. Wood 2009-4-13 488 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  CHSC95427  Chenopodium strictum var. glaucophyllum LeRoy Gross 2001-11-10 455 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freeway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast). Along paved road and in cracks of asphalt, just east of intersection with La Tuna Canyon Road. 457 Comment
  RSA423250  Chenopodium strictum var. glaucophyllum Wm. Martin, R. Gustafson 1971-7-14 s.n. Los Angeles Crenshaw and Rodeo Blvd., Los Angeles. Comment
  UCR124384  Chlorogalum pomeridianum I. W. Clokey, B. C. Templeton 1929-1 4587 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR61520  Chorizanthe californica T. P. Krantz, Fred Hinshaw, Christi Perala 1989-5-3 s.n. Los Angeles Big Tujunga Canyon Wash. east of where Foothill Blvd. crosses wash. 384 Comment
  CAS-BOT-BC244809  Chorizanthe staticoides H. W. Clark 1929-6-1 s.n. Los Angeles Hills along Ridge Route at Sandberg's Comment
  RSA65075  Chorizanthe staticoides Raymond J. Dobbs 1924-6-30 5388 Los Angeles Near Switzers Camp, San Gabriel Mountains. 915 Comment
  UCR126753  Chorizanthe staticoides A. C. Sanders, Andy Thomson 2003-4-15 26002 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  RSA0031451  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2008-5-3 2628 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 31 per TRTP Survey 2008), in the vicinity of Portal Ridge, SE of Elizabeth Lake Rd. 958 Comment
  RSA588071  Chorizanthe xanti Orlando Mistretta 1994-4-15 1052 Los Angeles San Gabriel Mountains, Santiago canyon. W slopes of drainage near confluence with Little Rock Creek. 1189 Comment
  SBBG62283  Chorizanthe xanti var. xanti R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna Comment
  UCR206467  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato 2009-5-20 36844 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  UCR194614  Chrysothamnus nauseosus R. G. Swinney 1998-8-13 6753 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  POM18191  Chrysothamnus nauseosus subsp. bernardinus P. A. Munz 1923-8-31 7698 Los Angeles Mescal Creek, San Gabriel Mountains 1951 Comment
  CAS-BOT-BC285405  Cirsium occidentale var. californicum F. Grinnell Jr. 1910-6-20 s.n. Los Angeles Long Canon [Canyon], San Gabriel Mts. 1066 Comment
  POM294149  Cirsium occidentale var. californicum Lyman Benson 1945-6-5 11772 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
  RSA585423  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd 1990-5-31 2746 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  UCR61038  Cirsium occidentale var. californicum R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. E side of Glendora Mtn Rd, 100 yards south of Little Dalton Campground 381 Comment
  CDA1386  Cirsium occidentale var. coulteri T. C. Fuller 1961-4-1 6240 Los Angeles Claremont; SE of E. Baseline Rd. at Padua Ave. (NW of Cable Airport, Upland CA.) Comment
  IRVC26282  Cirsium occidentale var. occidentale Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2912 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  SFV21104  Cirsium occidentale var. occidentale L. Gross, L. Moore 2000-6-5 216 Los Angeles Verdugo Mountains Bottom of Brand Canyon, a short distance above the cemetary. 350 Comment
  CAS-BOT-BC286519  Cirsium undulatum Herman Knoche 1919-6-30 Series A, No. 965 Los Angeles Avalon, Catalina Island Comment
  CAS-BOT-BC438746  Cistanthe monandra Ernest Braunton 1902-4-29 251 Los Angeles N. Pomona Comment
  RSA588905  Cistanthe monandra Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2945 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA606012  Cistanthe monandra L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground 1433 Comment
  RSA164776  Cistanthe monosperma Wesley O. Griesel 1963-6-27 834 Los Angeles Ridge betw Dawson Saddle & Throop Peak, San Gabriel Mts. 2591 Comment
  UCR46183  Cistus incanus Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns., The Pines picnic area on Rd. N3, north of La Canada-Flintridge 1524 Comment
  RSA453479  Clarkia bottae Bonnie C. Templeton 1930-5-27 1464 Los Angeles Higgins Canyon, north of Beverly Hillls. 200 Comment
  RSA73301  Clarkia deflexa F. W. Peirson 1919-5-21 4703 Los Angeles Arroyo Seco, Pasadena. 534 Comment
  RSA131024  Clarkia dudleyana Percy C. Everett, E. K. Balls 1959-6-2 23852 Los Angeles 0.5 miles N of Jct of Mulholland Drive and Road to Backus, Santa Monica Mountains. 610 Comment
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Jan 5 2016
  RSA701179  Clarkia dudleyana Walter Wisura 5171 Los Angeles Evey Canyon off Mt. Baldy Rd. Comment
  SEINET1869740  Clarkia dudleyana M. D. Wilcox 2003-1 Los Angeles San Gabriel Mtns.: Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory. 381 Comment
  UC56101  Clarkia dudleyana J. H. Barber 1897-6-30 Los Angeles Pierson's Mine Comment
  OBI5866  Clarkia epilobioides Carl B. Wolf 1932-5-10 3521 Los Angeles Equestrian trl back of Avalon, Santa Catalina Isl 244 Comment
  CAS-BOT-BC163700  Clarkia purpurea subsp. quadrivulnera Carl Epling; D. H. Dunn 1931-5-30 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon Comment
  OBI5929  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1932-5-13 3624 Los Angeles Santa Catalina Island. 3.5 mi (by rd) from Avalon on way to Isthmus 366 Comment
  UCR260402  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-6-21 13272 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UC61541  Clarkia unguiculata Ernest Braunton June 1903 896 Los Angeles Glendale to Burbank Comment
  UCSB30566  Clarkia unguiculata Patterson, R. 1976-5-21 Los Angeles End of San Martinez Canyon Road, near the Los Angeles/Ventura county line 1500 Comment
  SEINET10492199  Clarkia unguiculata Tim Holtsford 1992-7-3 Holtsford 920703 -2 Los Angeles Under the interchange between i-5 and state hwy 14. Park by a metal gate that Goes down the rr tracks, pop is on a ne-facing slope, ca 30 yards s of gate. Ne-facing slope. Blue oaks, tree tobacco, anise, phacelia, atriplex, puncture Vine, lots of weeds. Vegetation looks like it's closing in; c.u. Probably will Not persist. Comment
  RSA0114185  Claytonia parviflora Steven A. Junak 2000-4-1 SCa- 1162 Los Angeles Santa Catalina Island. On E side of Cherry Canyon, ca. 0.1 mi. from road to camp, along main road. 67 Comment
  SBBG127532  Claytonia parviflora subsp. parviflora M. L. Hoefs, S. A. Junak, L. Stratton 1998-3-21 2814 Los Angeles ca. halfway into Middle Cyn 286 Comment
  RSA466716  Claytonia parviflora subsp. parviflora Thekla Mohr 1899-04 1591 Los Angeles Eaton Canyon. Comment
  UCD100742  Claytonia perfoliata Robert E. Preston 1995-3-12 710 Los Angeles Sloughhouse Road Vernal Pool Preserve. Ca. 0.8 mile SW of int. Hwy. 16 and Sloughhouse Road. 54 Comment
  RSA117690  Claytonia perfoliata subsp. mexicana S. Tillett 1956-3-18 427 Los Angeles 1 mile up mouth of Cobal Canyon, N end of Mills Ave., Claremont, then along stream bed 1/4 mile after road turns up hill; stream turns right then left. Comment
  RSA527822  Claytonia perfoliata subsp. perfoliata Timothy S. Ross, Steve Boyd 1990-6-18 3477 -A Los Angeles Ball Flat, 1500 m due N of Jackson Lake. 1756 Comment
  CAS-BOT-BC91391  Clematis lasiantha I. Johnston 1917-5-6 1916 Los Angeles Ebey Canon [Canyon]. 914 Comment
  RSA386215  Clematis lasiantha L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  UC535342  Clematis ligusticifolia Ira W. Clokey, B. Templeton June 1929 4595 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon 200 Comment
  UC9089  Clematis ligusticifolia unknown Dec 1861 34 Los Angeles Los Angeles Comment
  RSA545336  Cleome isomeris T. S. Ross 1992-4-14 6149 Los Angeles San Clemente island; central E side of island; first major escarpment draw S of Nanny Canyon 183 Comment
  UCR185581  Collinsia bartsiifolia A. C. Sanders 2007-4-25 33567 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCSB11714  Collinsia bartsiifolia var. davidsonii Stern, Lee 1962-4-15 Los Angeles in vicinity of U.S. Highway 6; 2 miles southwest of Lancaster 731 Comment
  RSA600076  Collinsia childii Steve D. Boyd, Lauren Raz 1997-5-20 9790 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  RSA599457  Collinsia heterophylla Steve D. Boyd, Lauren Raz, T. S. Ross 1997-4-1 9498 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
  UCR191169  Collinsia heterophylla R. G. Swinney, Dave Larson 1999-7-21 7567 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE of Browns Flat 1463 Comment
  RSA408343  Collinsia heterophylla I. M. Johnston 1917-7-1 1750 Los Angeles Near Brown's Flat in Fern Canyon. 1280 Comment
  SD66890  Collinsia heterophylla R. Mitchell Beauchamp 1967-3-18 269 Los Angeles San Clemente Island, slopes of canyon below Lemon Tank 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
  RSA0044671  Comarostaphylis diversifolia subsp. planifolia Katherine Kneen 1933-8-25 s.n. Los Angeles Santa Monica Mts. Comment
  SBBG31295  Constancea nevinii R. F. Thorne 1965-6-22 34859 Los Angeles upper Pebbly Beach Rd Comment
  UC1234693  Constancea nevinii Peter H. Raven 1962-4-12 17312 Los Angeles in canyon below the Tomb; San Clemente Island 121 Comment
  UCR182722  Conyza coulteri R. G. Swinney 1998-2-16 5898 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  RSA618686  Conyza floribunda LeRoy Gross 1998-10-16 85 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  RSA412322  Cordylanthus nevinii I. M. Johnston 1917-8-21 1662 Los Angeles Upper San Antonio Ca - on. 2043 Comment
  IRVC28562  Cordylanthus rigidus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27125 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  UCR163956  Coreopsis B. G. Pitzer 1998-5-12 3681 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  UCR186914  Coreopsis bigelovii A. C. Sanders 2006-4-25 32179 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
  UCR263062  Coreopsis bigelovii Mitch Provance 2008-4-14 408- 05 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  RSA21249  Coreopsis californica C. B. Wolf 1937-4-28 8520 Los Angeles Mojave Desert, Antelope Valley, 4.5 miles S of Lancaster. 716 Comment
  POM356113  Corethrogyne filaginifolia F. R. Fosberg 1931-9-16 5682 Los Angeles Baldwin Hills. 50 Comment
  SD43512  Corethrogyne filaginifolia var. filaginifolia Philip A. Munz 1947-9-18 12135 Los Angeles Mint Canyon Public Camp, northeast of Saugus. 760 Comment
  RSA126676  Corethrogyne filaginifolia var. virgata Peter H. Raven 1959-9-27 14507 Los Angeles Sepulveda Canyon. (Lat. 34deg.N; Long. 118-119deg.W.) 244 Comment
  JEPS50145  Cornus sericea subsp. sericea Frank W. Peirson 1922-7-5 3186 Los Angeles San Gabriel Mts., San Antonio Mts., Swartout Valley Region, 1981 Comment
  CHSC106434  Cotoneaster lacteus P. F. Zika; Nick Otting 2010-8-7 25305 Los Angeles South Coast (Sco). Base of San Gabriel Canyon, E side of Route 39, base of steep loose slope, margins of seep. 250 Comment
  OBI36524  Cotula australis Mark Schneider 2005-5-26 s.n. Los Angeles Pierce College Campus Comment
  CDA36189  Cotula coronopifolia A. C. Sanders, Dan S. Cooper 2010-4-3 38163 Los Angeles South Coast; Madrona Marsh, Torrance. Comment
  RSA639755  Crassula connata L. C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Vogel Flat, Big Tujunga Canyon. 556 Comment
  SBBG119352  Crassula connata V. Soza with L. Gross 2001-4-18 1138 Los Angeles between Little Santa Anita and Santa Anita Cyns 716 Comment
  RSA423443  Crassula connata var. subsimplex A. Menke 1955-3-26 s.n. Los Angeles Point Dume, California. Comment
  RSA675870B  Crassula tillaea LeRoy Gross 2003-3-9 782 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  SD51733  Cressa truxillensis var. vallicola L. W. Nuttall Unknown 804 Los Angeles Santa Catalina Island Comment
  CATA196  Crocanthemum scoparium Mark L. Hoefs, A. Douglas Propst 1973-4-6 173 Los Angeles Santa Catalina Island: Mt. Black Jack, northeast exposure 518 Comment
  UC1244689  Crossosoma californicum R. O. Ornduff, Roy L. Taylor 1960-3-18 4383 Los Angeles upper end Pebble Beach Canyon (near Avalon, Santa Catalina Island); Santa Catalina Island, upper end of Pebble Beach Canyon Comment
  RSA480565  Croton californicus F. R. Fosberg 1919-6-23 S- 2993 Los Angeles Del Rey. 1 Comment
  SBBG131541  Crypsis vaginiflora S. A. Junak 1999-7-16 SCa 1047 Los Angeles Little Springs Reservoir 128 Comment
  UCR276749  Cryptantha R. G. Swinney 2010-8-11 13492 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
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Dec 7 2018
  RSA639271  Cryptantha barbigera R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54962 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  UCD119611  Cryptantha circumscissa Steve Mason 1993-5-1 27 Los Angeles Sufur Springs Road, 200 feet up road from Angeles Creek Highway, restroom parking lot to left on edge of slope looking down at Angeles Crest Highway. 1798 Comment
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Dec 9 2014
  UCR220283  Cryptantha circumscissa R. G. Swinney 2009-4-24 10483 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  LA81967  Cryptantha clevelandii O. H. Kappler; 1943-5-23 468 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  IRVC29638  Cryptantha corollata A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26207 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  UCR276927  Cryptantha corollata R. G. Swinney 2011-3-29 14274 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UCR280420  Cryptantha dumetorum Onkar Singh 2014-3-18 4374 Los Angeles Mojave Desert, c. 10 km north of Littlerock, near junction of Avenue O and 110th St. 804 Comment
  SBBG120055  Cryptantha intermedia A. C. Sanders 2003-5-22 26821 Los Angeles abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Fwy (which bisects pit), N of Santa Fe Railroad, E of the San Gabriel River channel 171 Comment
  UC78690  Cryptantha intermedia T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  RSA79600  Cryptantha intermedia F. W. Peirson 1923-4-9 3423 Los Angeles About 3 miles SE of Wilson s Cove, San Clemente Island Comment
  POM182805  Cryptantha intermedia var. intermedia Ernest Braunton 1903-03 837 Los Angeles Playa del Rey. 76 Comment
  RSA0016891  Cryptantha intermedia var. johnstonii D. L. Crawford, H. D. Hiatt 1916-3-28 257 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  RSA229158  Cryptantha micrantha R. F. Thorne, C. W. Tilforth, John Dourle 1969-7-29 38841 Los Angeles San Gabriel Mountains: Chilao area, sandy roadbank on Angeles Crest Hwy. 1524 Comment
  SEINET13386994 Image available Cryptantha micrantha var. lepida R. G. Swinney 2011-1 15026 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road (Chilao Flat 7.5' Q.) (T3N R11W S27) 1585 Comment
  SFV22144  Cryptantha micromeres V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 767 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Along trail on ridgetop of northwest-facing slope. 518 Comment
  RSA678774  Cryptantha microstachys Valerie Soza, LeRoy Gross 2002-5-8 1453 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  UC1871088  Cryptantha muricata Tim Ross, Walter Appleby 1993-5-13 7114 Los Angeles Western San Gabriel Mountains: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 853 Comment
  UCR146207  Cryptantha muricata Scott D. White, Michael Honer 2004-6-24 10488 B Los Angeles Pomona Valley/ San Gabriel Mtn. Foothills, City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and west of concrete-lined flood control channel 518 Comment
  RSA0079239  Cryptantha muricata var. denticulata R. G. Swinney 1999-6-18 7281 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
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Aug 26 2018
  RSA0078885  Cryptantha muricata var. denticulata Wayne E. Sawyer 1981-8-11 127 Los Angeles San Gabriel Mountains: Crest trail above Lily Spring, ca. 0.25 mi. W of Mt. Hawkins. 2606 Comment
  POM3905  Cryptantha muricata var. jonesii I. M. Johnston 1918-5-12 1950 Los Angeles San Antonio Mountains. San Antonio Canyon. At Hog Back 1128 Comment
  RSA0079362  Cryptantha muricata var. muricata Timothy S. Ross, Steve Boyd 1994-5-4 7685 Los Angeles Head of South Portal Canyon: northwest of Glass Mountain on forest service road to follows South Portal Canyon. 1179 Comment
  UCR150007  Cryptantha nevadensis Scott D. White 2004-5-5 10294 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  UCR220044  Cryptantha nevadensis var. rigida R. G. Swinney 2009-4-24 10454 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR269994  Cryptantha similis R. G. Swinney 2010-5-19 12799 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR229151  Cryptantha simulans Dan S. Cooper 2011-5-5 511- 56 A Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  RSA650978  Cryptantha utahensis Marion P. Harthill 1977-3-19 s.n. Los Angeles Zzyzx. 304 Comment
  UCR210535  Cucurbita moschata R. G. Swinney 2008-12-4 9950 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  SEINET12192402  Cuphea ignea W. F. Wight 1907-1 1641 Los Angeles East Lake Park, Los Angeles Comment
  CAS-BOT-BC224493  Cuscuta californica Timothy S. Ross; Steve Boyd 1994-9-21 8286 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
  UCR126996  Cuscuta californica A. C. Sanders, Kim Marsden 2003-6-20 26986 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  SEINET10965985  Cycas revoluta David B. Dunn 1939-10-25 Dunn UMO 46546 Los Angeles Cultivated in a park area near Orange Dr. and Colorado Blvd. 274 Comment
  RSA478738  Cycloloma atriplicifolium L. C. Wheeler 1932-7-18 960 Los Angeles 2 mi. N Claremont. 412 Comment
  UCR11365  Cyclospermum leptophyllum 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
  RSA483545  Cynodon dactylon Edwin Kline 1924-5-16 s.n. Los Angeles Los Angeles. Comment
  RSA534145  Cynodon dactylon Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5072 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  RSA0048390  Cynoglossum amabile A. L. Haines 1951-4-24 s.n. Los Angeles Pierce College, Canoga Park. Comment
  SD252223  Cyperus Steven A. Junak 2000-7-1 Sca 1369 Los Angeles Santa Catalina Island. At NW side of reservoir. 328 Comment
  CATA1295  Cyperus eragrostis Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2384 Los Angeles Santa Catalina Island: By upper Cape Canyon Reservoir 323 Comment
  UCR130155  Cyperus eragrostis Joseph A. Ewan 1931-7-31 4778 Los Angeles [Santa Fe Springs] Telegraph Road near Santa Fe [RR] crossing 46 Comment
  RSA200066  Cyperus erythrorhizos W. W. Wright 1968-9-16 s.n. Los Angeles West Lake, Los Angeles-Ventura County line off Highway 101. Comment
  RSA0080647  Cystopteris fragilis R. G. Swinney 2010-8-9 13483 Los Angeles Big Santa Anita Canyon, just below (downstream from) Spruce Grove Campground 915 Comment
  UC1595444  Cytisus striatus Tim Ross 1992-7-10 6685 Los Angeles 6 degrees N and 2502 m distant Thorn Peak (along Upper Big Tujunga Canyon Road); San Gabriel Mountains, Upper Big Tujunga Canyon 1085 Comment
  RSA0113911  Dactylis glomerata Steven A. Junak 1999-4-23 SCa- 857 Los Angeles Santa Catalina Island. W fork of canyon above Howland's Landing, above road. 524 Comment
  SD252241  Dactylis glomerata Steven A. Junak 1999-4-23 Sca 857 Los Angeles Santa Catalina Island. W fork of canyon above Howland's Landing, above road. 523 Comment
  LA202408  Dactyloctenium aegyptium Arthur C. Gibson; 2005-7-18 5058 Los Angeles SIMI HILLS, Chatsworth Reservoir, Chatsworth, northern edge of reservoir, Plummer St and Valley Circle Blvd. Comment
  POM3047  Datisca glomerata H. D. Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA616156  Daucus pusillus Valerie L. Soza 1998-5-3 90 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  SD28065  Daucus pusillus Carl B. Wolf 1932-5-10 3526 Los Angeles Santa Catalina Island; along the equestrian trail, back of Avalon. 259 Comment
  UCR136826  Daucus pusillus John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  CAS-BOT-BC130943  Deinandra clementina L. R. Abrams; I. L. Wiggins 1931-7-3 302 Los Angeles Santa Barbara Island Comment
  SBBG13694  Deinandra clementina P. H. Raven 1962-5-23 17856 Los Angeles E side of Avalon Bay Comment
  UC1587227  Deinandra clementina Tim Ross 1991-5-20 5354 Los Angeles un-named knoll ca 5500 ft s Wilson Cove Settlement (westerly slope 2500 ft nw of the 750 ft BM); San Clemente Island 205 Comment
  UCSB10380  Deinandra fasciculata McElwain, Isabelle 1953-5-16 Los Angeles 18000 Bull Canyon Rd., Granada Hills Comment
  CHSC35813  Delphinium cardinale Philip A. Silverstone 1978-7-23 251 Los Angeles Santa Monica Mountains; Latigo Canyon Rd. 10.2 km from State 1. Near road. Comment
  UCR258600  Delphinium cardinale R. G. Swinney 2010-8-26 13599 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCSB28766  Delphinium cardinale Tanowitz, B. 1974-7-1 Los Angeles On Beverly Glen Blvd; approximately 1 mile south of its junction with Mulholland Dr; (Brown Cyn.) 274 Comment
  RSA595368  Delphinium parryi subsp. parryi Louis C. Wheeler 1967-5-8 9361 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  RSA650490  Delphinium patens subsp. hepaticoideum Phil Drooks 1981-4-26 33 Los Angeles 3 mi N of Hwy 39 and N of W fork 3 mi. Comment
  CAS-BOT-BC116418  Delphinium patens subsp. hepaticoideum George B. Grant 1901-1-1 277 Los Angeles From Sierra Madre Mts., S. Cal., 914 Comment
  SEINET13094852  Delphinium patens subsp. hepaticoideum Joseph Ewan 1929-5-30 3497 Los Angeles Old Wilson Trail, mile below Orchard Camp. 915 Comment
  UCR185166  Delphinium patens subsp. montanum Naomi Fraga, Sarah M. Siedschlag 2006-5-17 1678 Los Angeles San Gabriel Mountains, Indian Canyon Road, 4N37 Comment
  CAS-BOT-BC82820  Dendromecon harfordii Carl B. Wolf 1932-10-5 4228 Los Angeles Santa Catalina Island, Black Jack Mine on slopes of Black Jack Peak. 426 Comment
  SBBG95438  Dendromecon harfordii M. B. Dunkle 1928-4-21 1878 Los Angeles Renton Mine Hill Comment
  CHSC3676  Dendromecon rigida Mary Mae Arthur 1966-5-26 33 Los Angeles Switzers camp- San Gabriel Mts. 914 Comment
  LA45836  Dendromecon rigida Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  RSA753985  Dendromecon rigida Doug Tolbert 1970-5-3 700503 -01 Los Angeles Angeles National Forest: Saugus district, Boquet Canyon road, 1 miles E of Artesian Springs campground along disturbed roadside at the hairpin turn. 1372 Comment
  UCSB2133  Dendromecon rigida Philbrick, Ralph 1954-4-15 Los Angeles On south slope of a wash in Claremont, San Gabriel Mts. 365 Comment
  SBBG59437  Deschampsia danthonioides V. Duran 1933-7-9 3507 Los Angeles Horse Flats 1676 Comment
  RSA702033  Descurainia pinnata Steve Boyd, Amber Maurice 2004-5-18 11312 Los Angeles Atmore Meadows area. Comment
  UCR186665  Descurainia pinnata A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32065 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, between Hwy 138 and the California Aqueduct 1037 Comment
  UCD114667  Descurainia pinnata Scott Horiuchi; Kelly Robinson 1996-3-10 5 Los Angeles San Gabriel Mountains, Angeles National Forest, 2 miles from junction of N-2 and Angeles-Crest Highway, on the Angeles-Crest Highway. Comment
  UCR275028  Descurainia sophia Michael Honer, Rachel Woodard 2006-4-18 2197 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile north of Hwy 138 976 Comment
  CSUSB1747  Dicentra chrysantha Keith Thompson 1969-11-1 Los Angeles Cedar Springs. 1158 Comment
  CAS-BOT-BC402523  Dicentra ochroleuca Peter H. Raven 1960-4-2 14859 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mulholland Drive 1.5 miles east of Los [Las] Virgenes Road 213 Comment
  RSA0035993  Dichelostemma capitatum R. G. Swinney 2010-5-11 12653 Los Angeles 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
  RSA0093469  Dichelostemma capitatum Richard G. Swinney 2011-6-7 15055 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy.2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  RSA598869  Dichelostemma capitatum Steve Boyd, Timothy S. Ross 1997-3-21 9246 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1194 Comment
  UCR223098  Dichelostemma capitatum R. G. Swinney 2009-6-2 11016 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
  UCR272975  Dichelostemma capitatum R. G. Swinney 2011-4-26 14502 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
  UCSB10702  Dichelostemma capitatum subsp. capitatum Lloyd, Robert 1959-3-21 Los Angeles Mt. Range San Gabriel; San Dimas Canyon; Stream bed west of San Dimas Canyon Road 365 Comment
  CLARK-A1528-4586  Digitaria ischaemum John C. Roos 1949-10-19 4692 Los Angeles San Gabriel 121 Comment
  PASA645  Digitaria sanguinalis Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  UCR127064  Dimorphotheca sinuata Mark A. Elvin, Cathleen Weigand 2003-4-8 2463 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  SEINET6056830  Diplotaxis tenuifolia Unknown 1946-11-11 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CATA6  Dissanthelium californicum Jenny L. McCune, Lauren K. Danner 2005-4-6 2 Los Angeles Santa Catalina Island: On SE facing slope just off road to White's Landing 137 Comment
  JEPS14677  Dodecatheon redolens Frank W. Peirson 1921-7-17 2516 Los Angeles Prairie Fork San Gabriel Riv , Prairie Fork-San Gabriel Riv (San Gabriel Mountains) 2133 Comment
  RSA748800  Dodecatheon redolens R. G. Swinney 2001-8-11 8033 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  RSA226930  Draba corrugata var. corrugata R. F. Thorne 1971-8-25 41264 Los Angeles ANGELES NATIONAL FOREST: Lily Spring on northwest slope of Mt. Hawkins. Comment
  POM366516  Drymocallis glandulosa Fordyce Griffiths Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. Comment
  RSA579477  Drymocallis glandulosa var. glandulosa Tim S. Ross, Steve D. Boyd 1994-5-10 7723 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  POM624  Drymocallis glandulosa var. wrangelliana O. W. Robinson 1916-5-7 s.n. Los Angeles Johnson's Pastures, near Claremont. Comment
  LA94249  Dryopteris arguta Lawrence L. Kiefer; 1966-4-30 1950 Los Angeles SANTA MONICA MOUNTAINS, ca 1.5 mi SW of Lake Sherwood. 304 Comment
  RSA675014  Dryopteris arguta LeRoy Gross 2003-2-22 741 Los Angeles South side; Along Brand Canyon (fire burned this area in Summer-fall of 2002). Above the falls area up the west fork drainage area of Brand Canyon. 479 Comment
  SD116678  Dudleya cymosa subsp. agourensis K. Nakai, D. Verity and J. Ross 1981-5-21 764 Los Angeles Santa Monica Mountains, ca. 0.6 mile southeast of junction of Decker Road and Carlis Road. 455 Comment
  CAS-BOT-BC428113  Dudleya cymosa subsp. cymosa Geo. B. Grant 1906-6-10 6677 Los Angeles Mt Lowe, Castle Canyon Comment
  RSA679295B  Dudleya cymosa subsp. pumila Mark Elvin, Anne Marie Ruff 1996-8-1 295 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road (gate). South side of road on curve. Comment
  UC205027  Dudleya cymosa subsp. pumila I. M. Johnston 1917-7-30 1643 Los Angeles Ontario Peak, San Antonio Mtns 2590 Comment
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May 13 2016
  LA105276  Dudleya greenei Lyman Benson; 1952-5-2 15115 Los Angeles Santa Catalina Island, N face of Swain Canyon, Whites Landing 182 Comment
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Sep 4 2014
  UC1127121  Dudleya lanceolata Jerome S. Horton 1937-6-14 461 Los Angeles San Dimas Wash Pomona Quadrangle 365 Comment
  UC1127107  Dudleya lanceolata A. D. Gifford 1934-5-8 202 Los Angeles 2 mi s and 0.6 mi e Triunfo; Triunfo Pass Quadrangle 304 Comment
  RSA535875  Dudleya pulverulenta Tim Ross 1991-9-1 5887 Los Angeles near Mullholland Hwy. x Yerba Buena Rd; Triunfo Pass 564 Comment
  CAS-BOT-BC109735  Dudleya virens subsp. hassei C. B. Wolf 1932-5-14 3628 Los Angeles Facing Pebbly Beach Santa Catalina Island. Comment
  UCD98654  Dysphania ambrosioides Fay A. MacFadden 1932-11-22 s.n. Los Angeles Pacoima Dam. Comment
  RSA0091511  Dysphania botrys R. G. Swinney 2011-10-10 15741 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA188328  Echinochloa crus-galli R. F. Thorne 1966-5-31 36427 Los Angeles Santa Catalina Island: Avalon. 8 Comment
  RSA746792  Ehrharta calycina R. G. Swinney 2008-3-26 8567 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA199190  Eleocharis palustris Robert F. Thorne, D. Propst 1968-5-29 37699 Los Angeles S end of Hay Press Reservoir. 404 Comment
  UCR194588  Eleocharis parishii R. G. Swinney 1999-6-21 7363 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
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May 10 2012
  RSA365459  Eleocharis parishii Crawford 1936-4-17 s.n. Los Angeles Los Angeles-Ventura counties. Santa Susana Pass. Comment
  SEINET4889551  Elodea canadensis L. C. Wheeler 1933-12-13 2325 Los Angeles San Gabriel Mts., San Dimas Canyon Dam 411 Comment
  UCR182687  Elymus R. G. Swinney 1997-8-6 5774 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  RSA188520  Elymus elymoides subsp. elymoides R. F. Thorne, John Olmstead 1965-8-26 35378 Los Angeles San Gabriel Mountians: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  UCR192868  Elymus glaucus R. G. Swinney 1998-7-6 6294 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.9 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  SEINET10930724  Elymus glaucus Joseph A. Ewan 1934-8-13 Ewan 8303 Los Angeles About drier margins of spring 1/2 mile west of Windy Camp, N slope Mt. Islip, San Gabriel Mts. 2286 Comment
  RSA561611  Elymus glaucus subsp. jepsonii Steve Boyd, Walter Appleby 1993-5-24 8160 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within Tujunga Ranger District of Angeles National Forest. Ridgeline southeast of May Canyon Saddle leading to May Peak. 1098 Comment
  RSA747179  Elymus glaucus subsp. jepsonii Orlando Mistretta 1992-6-26 618 Los Angeles Transverse Ranges; San Gabriel Mtns region; Glendora Saddle to Lookout Mountain 1829 Comment
  CAS-BOT-BC234098  Elymus multisetus A. D. E. Elmer 1902-6-1 3644 Los Angeles Acton, Mt. Gleason Comment
  POM359948  Elymus multisetus Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  SEINET5644504  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1966-8-21 8844 Los Angeles San Gabriel Mountains: northwest Mount Burnham.; 0 Comment
  RSA0117864  Elymus triticoides Robert L. Benson 1960-5-19 47 Los Angeles Blanchard Park. [Pomona College.] Claremont. 365 Comment
  RSA763744  Elytrigia intermedia subsp. intermedia Orlando Mistretta, Christine Mistretta 2008-5-20 3162 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 6, structure 97and 98 per TRTP Survey 2008), Rincon Red Box Rd, NE ridge of Monrovia Pk., Separating W Fork San Gabriel River and Fish Canyon. 1473 Comment
  UC1124262  Emmenanthe penduliflora A. D. Gifford 1934-5-8 212 Los Angeles 3 miles W and 1 mile N of Castro Peak; Triunfo Pass Quad. 457 Comment
  RSA533467  Emmenanthe penduliflora Tim S. Ross 1991-4-21 4557 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridgetop on N side of Turnbull Canyon. 294 Comment
  RSA191092  Emmenanthe penduliflora var. penduliflora Robert F. Thorne 1967-6-25 37081 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  UCR200036  Emmenanthe penduliflora var. penduliflora Valerie Soza, B. Hogshead 2003-4-23 1637 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, Brand Canyon 457 Comment
  POM356733  Encelia actoni E. A. McGregor 1965-5-18 s.n. Los Angeles Pearblossom, Antelope Valley. Comment
  RSA711504  Encelia californica Alison Lipman 1998-9-4 s.n. Los Angeles South Coastal Plains Region: Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  UCSB9942  Encelia californica Olsen, Meryl 1954-4-15 Los Angeles In Claremont 365 Comment
  OBI2902  Ephedra nevadensis Lewis S. Rose 1968-4-5 68013 Los Angeles Acton, Mojave Desert 823 Comment
  RSA595468  Ephedra viridis L. C. Wheeler 1967-5-12 9488 Los Angeles San Gabriel Mountains. Summit 4183. 1250 Comment
  UCR194579  Epilobium R. G. Swinney 1998-7-29 6551 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  SDSU8892  Epilobium canum subsp. canum Harvey 1938-8-7 2201 Los Angeles Near Malibu. Comment
  LA82406  Epilobium canum subsp. canum O. H. Kappler; 1943-6-20 503 Los Angeles Comment
  CAS-BOT-BC171919  Epilobium canum subsp. latifolium Peter H. Raven; Henry J. Thompson 1958-10-11 13764 Los Angeles 0.7 miles south of junction of roads at summit, Saddle Peak, Santa Monica Mountains 746 Comment
  RSA293437  Epilobium canum subsp. latifolium Reino Alava, R. C. Bacigalupi 1958-7-20 2208 Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Highway (California Highway N 2), Kratka Ridge (upper slopes of Little Rock Creek Canyon) about 1 mile west of Cedar Springs. 2073 Comment
  RSA586174  Epilobium canum subsp. latifolium Orlando Mistretta 1995-10-2 1941 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground. 1052 Comment
  RSA0116574  Epilobium ciliatum R. G. Swinney 2010-9-30 13935 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCR209139  Epilobium ciliatum R. G. Swinney 2008-6-24 9092 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR256859  Epilobium ciliatum R. G. Swinney 2010-10-13 14019 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA0016977  Epilobium ciliatum subsp. ciliatum O. R. L. s.n. Los Angeles Near Glendale Comment
  SD187446  Epilobium densiflorum Scott D. White, Andrea Warniment 2006-7-7 11619 Los Angeles Southeast Tehachapi Mountains: Gorman area, Gorman creek northeast of the I-5 Freeway. 1036 Comment
  RSA622847  Epilobium glaberrimum subsp. glaberrimum Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: West of heliport. 1585 Comment
  RSA72187  Epilobium glaberrimum subsp. glaberrimum F. W. Peirson 1920-9-14 4454 Los Angeles Ridge west of Coldwater Creek, near a spring. 2363 Comment
  LA94794  Epipactis gigantea Peter H. Raven; Henry J. Thompson 1960-7-17 15541 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  RSA611586  Epipactis gigantea Louis C. Wheeler 1946-9-8 6358 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 0.5 mile E of Bear Creek. 518 Comment
  UC472141  Equisetum hyemale subsp. affine J. Ewan 1929-12-23 3733 Los Angeles La Sierra Canyon; Santa Monica Mts. 457 Comment
  CAS-BOT-BC57322  Equisetum laevigatum Samuel B. Parish 1895-11-23 3612 Los Angeles Arroyo Seco, Pasadena Comment
  RSA0036157  Equisetum laevigatum Guy C. Black 1948-4-23 s.n. Los Angeles 3 1/2 Mi. North E. of San Dimas. 213 Comment
  RSA598589  Equisetum laevigatum L. C. Wheeler 1967-5-24 9733 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 678 Comment
  RSA684700  Equisetum laevigatum Anstruther Davidson 1905-5-11 1430 Los Angeles Frordencie Ranch(?), L.A. River Comment
  CAS-BOT-BC213598  Eragrostis mexicana subsp. mexicana A. J. McClatchie 1893-9-24 s.n. Los Angeles Along street, Pasadena Comment
  LA33390  Eragrostis mexicana subsp. virescens Peter H. Raven; Henry J. Thompson 1959-10-14 14626 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  CDA2076  Eragrostis minor R. G. Howell 1965-6-28 Los Angeles Newhall Avenue, Saugus. 0 Comment
  RSA680166  Eremalche exilis Scott D. White 2003-6-8 9517 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  LA34230  Eremocarpus setiger Peter H. Raven; Henry J. Thompson 1959-9-18 14427 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  RSA421553  Eremocarpus setiger Geo. L. Moxley 1917-9-4 s.n. Los Angeles Eagle Rock. Comment
  RSA651886  Eremocarpus setiger A. E. Hersh 1950-6-27 s.n. Los Angeles Below Faculty Hill UCLA. 60 Comment
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Aug 10 2016
  UCR228578  Eremogone macradenia var. arcuifolia Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8054 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 800 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1110 Comment
  CAS-BOT-BC162726  Eremothera boothii subsp. decorticans W. R. Dudley; F. H. Lamb 1896-6-12 4438 Los Angeles Near Gorman's Station - Tejon Pass, Mt. Pinos Region Comment
  SBBG44380  Eremothera boothii subsp. decorticans G. Sphon, D. Hearn 1956-5-30 16 Los Angeles Black Butte, Antelope Valley Comment
  UCSC011214  Eriastrum densifolium Adam Searcy 2015-7-10 75 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  CAS-BOT-BC514257  Eriastrum densifolium subsp. austromontanum F. Grinnell Jr. 1917-8-28 s.n. Los Angeles San Gabriel Mts.: Pine Flats Comment
  UCR271188  Eriastrum densifolium subsp. densifolium R. G. Swinney 2011-7-8 15513 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
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Jan 24 2017
  RSA0118101  Eriastrum rosamondense Sarah J. J. De Groot 2005-5-19 4976 Los Angeles Antelope Valley, along Avenue G between 30th and 40th Streets. 702 Comment
  UCD118315  Eriastrum sapphirinum G. Haught 1997-5-10 37 Los Angeles Santa Monica Mountains, between Stunt and Stoke Roads. Comment
  CAS-BOT-BC514976  Eriastrum sapphirinum subsp. dasyanthum Alice Eastwood 1915-8-25 4903 Los Angeles Duarte Comment
  CAS-BOT-BC287624  Ericameria linearifolia Timothy S. Ross; Steve Boyd 1994-5-25 7923 Los Angeles Liebre Mts. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit 1075 Comment
  SBBG8343  Ericameria linearifolia R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  SD253383  Ericameria linearifolia R. G. Swinney 2011-4-1 14316 Los Angeles San Gabriel Mts./SW Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile south of California Aqueduct, 20-200 m W of Cheseboro Rd. (Palmdale 7.5'Q) 890 Comment
  RSA91761  Ericameria linearifolia F. W. Peirson 1921-5-19 2757 Los Angeles Little Rock Creek 945 Comment
  UCR240026  Ericameria nauseosa R. G. Swinney 2009-11-13 11600 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  SEINET13276825 Image available Ericameria parishii R. G. Swinney 2011-1 15749 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  RSA0116832  Ericameria parryi R. G. Swinney 2010-9-21 13857 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  CAS-BOT-BC293129  Ericameria pinifolia F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Near Los Angeles Comment
  CAS-BOT-BC293133  Ericameria pinifolia C. F. B. 1903-10-1 4076 Los Angeles Claremont Comment
  RSA764413  Ericameria pinifolia Justin M. Wood 2009-8-18 1254 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UCR271725  Erigeron canadensis R. G. Swinney 2011-3-26 14198 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  CAS-BOT-BC296199  Erigeron foliosus var. foliosus F. Grinnell Jr. 1917-8-12 s.n. Los Angeles Big Santa Anita Canyon, San Gabriel Mountains 1127 Comment
  RSA726033  Erigeron foliosus var. foliosus R. G. Swinney 1997-7-14 5676 Los Angeles West of Wrightwood, Table Mtn. area, approx. 100 m NW of amphitheater and Table Mtn. Campground. 2207 Comment
  RSA650456  Erigeron foliosus var. foliosus Marion P. Harthill 1971-9-25 584 Los Angeles Mt. Baden Powell, Angeles National Forest. 2438 Comment
  UCR281721  Erigeron foliosus var. franciscensis Neil Uelman 2017-6-23 s.n. Los Angeles Palos Verdes Peninsula, Malaga Canyon, along Malaga Canyon Trail 180 Comment
  RSA91030  Erigeron foliosus var. stenophyllus F. W. Peirson 1920-5-12 231 Los Angeles Foothill Blvd. San Gabriel Wash, S base of San Gabriel Mts. 182 Comment
  LA205571  Eriodictyon crassifolium Barbara Crumly; 1953-5-31 sn Los Angeles Elizabeth Lake Canyon Rd, 2 mi. E of Castaic Comment
  SEINET6046086  Eriodictyon crassifolium Louis C. Wheeler 1967-5-23 9689 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC189160  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1936-7-1 4204 Los Angeles Bell Canyon, San Gabriel Mountains 944 Comment
  OBI13963  Eriodictyon crassifolium var. nigrescens Robert J. Rodin 1953-5-17 5821 Los Angeles Near hwy 101, 3 mi S of Gorman Comment
  RSA0080978  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-28 12418 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
  RSA454995  Eriodictyon crassifolium var. nigrescens Bonnie C. Templeton 1931-4-8 s.n. Los Angeles Bouquet Canyon. 500 Comment
  RSA762413  Eriodictyon crassifolium var. nigrescens Orlando Mistretta, Christine Mistretta 2008-5-9 3003 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 Comment
  CAS-BOT-BC188952  Eriodictyon parryi I. M. Johnston 1917-7-1 1437 Los Angeles Head of Evey Canon [Canyon] 1371 Comment
  RSA455075  Eriodictyon trichocalyx L. E. Hoffman 1931-11-9 s.n. Los Angeles Big Rock Creek Comment
  UC1183071  Eriodictyon trichocalyx Huron H. Smith 1912-5-3 4944 Los Angeles Azusa 243 Comment
  SBBG33437  Eriogonum cithariforme A. D. E. Elmer -Jun-1902 3713 Los Angeles Acton Comment
  RSA580193  Eriogonum cithariforme var. agninum Tim S. Ross, S. D. Boyd 1994-5-25 7939 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  UCR128132  Eriogonum cithariforme var. agninum Anuja Parikh, Nathan Gale 2003-5-26 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, lower end of east fork in survey area 79 427 Comment
  RSA570167  Eriogonum davidsonii Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4819 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA659937  Eriogonum davidsonii Orlando Mistretta 1992-5-18 326 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA766331  Eriogonum davidsonii F. R. Fosberg, Joseph A. Ewan 1931-8-11 s.n. Los Angeles Islip Trail, North (Upper) Pine Flats. 1829 Comment
  UCR145167  Eriogonum davidsonii June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  UCR193992  Eriogonum davidsonii R. G. Swinney 1998-8-13 6749 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR194290  Eriogonum davidsonii R. G. Swinney 1998-8-31 6877 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  RSA311432  Eriogonum davidsonii Michael C. Long 1974-5-19 s.n. Los Angeles Devil's Punchbowl Co. Park, 1/2 mi. N of headquarters. Comment
  RSA766329  Eriogonum davidsonii F. R. Fosberg, Joseph A. Ewan 1931-8-10 s.n. Los Angeles Crystal Lake, N fork San Gabriel River. San Gabriel Mountains. 1616 Comment
  RSA393511  Eriogonum fasciculatum Gary D. Wallace 1978-2-12 1579 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  UCR259098  Eriogonum fasciculatum subsp. polifolium Mitch Provance, Callen Huff 2009-4-29 10688 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  SBBG62032  Eriogonum fasciculatum var. foliolosum M. N. Ackley -May-1922 869 Los Angeles Burbank Hills 274 Comment
  CAS-BOT-BC250108  Eriogonum fasciculatum var. polifolium J. Ewan 1931-7-5 4748 Los Angeles 1 mile above Buena Vista Trail Jct., Pacoima Canyon, San Gabriel Mts. Comment
  RSA766109  Eriogonum fasciculatum var. polifolium Joseph A. Ewan 1932-6-18 7352 Los Angeles Clear Creek of Tujunga Drainage. San Gabriel Mts. 762 Comment
  RSA393372  Eriogonum giganteum var. giganteum George B. Grant 1906-9-1 1471 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC253441  Eriogonum gracile L. R. Abrams 1902-7-5 2721 Los Angeles San Gabriel Wash near Azusa Comment
  RSA617169  Eriogonum gracile var. gracile LeRoy Gross 1998-9-18 62 Los Angeles Southern base of San Gabriel Mountains; Big Tujunga Wash east of the 210 freeway 366 Comment
  UCR277115  Eriogonum gracile var. gracile R. G. Swinney 2010-10-5 13959 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  UCSB1437  Eriogonum gracillimum Wedberg, H. 1958-4-13 Los Angeles Near Pearblossom Comment
  RSA5790  Eriogonum heermannii var. heermannii Carl B. Wolf 1932-10-21 1619 Los Angeles Big Rock Creek, 1/8 mi. below Big Rock Ranger Station. 1067 Comment
  RSA755714  Eriogonum kennedyi R. G. Swinney 2008-7-3 9164 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp. 2329 Comment
  UCR281153  Eriogonum maculatum R. G. Swinney 2014-4-30 16249 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA766494  Eriogonum microtheca var. corymbosoides Joseph A. Ewan 1936-7-27 9846 Los Angeles N. end of Table Mt., Swartout Valley. San Gabriel Mts. 2134 Comment
  CAS-BOT-BC267401  Eriogonum microthecum Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek by the abandoned pumphouse and dam 1950 Comment
  SD82809  Eriogonum mohavense W. R. Dudley, J. A. Lamb 1896-6-4 430 3 Los Angeles Lancaster Comment
  CHSC111504  Eriogonum nudum var. pauciflorum Duncan S. Bell; Caitlin Elam 2013-7-11 5369 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mt. Wilderness; eastern flanks of Mt. Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  RSA588863  Eriogonum nudum var. pauciflorum Orlando Mistretta 1994-9-21 1484 Los Angeles Santiago Canyon at jct. of Forest Rd. 4N20 with Santiago Creek. 1220 Comment
  SBBG64124  Eriogonum nudum var. pauciflorum P. A. Munz, I. M. Johnston 1928-9-5 11188 Los Angeles W of Swartout Valley 1981 Comment
  RSA330821  Eriogonum parishii Wayne E. Sawyer 1981-7-26 115 Los Angeles San Gabriel Mountains, Angeles National Forest: California Hightway 2 between Dawson Saddle and junction with California Highway 39 2210 Comment
  CLARK-A1528-5205  Eriogonum parvifolium John C. Roos 1943-8-2 Los Angeles Santa Monica Comment
  RSA393058  Eriogonum parvifolium var. parvifolium Robert Gustafson 1980-8-29 1883 Los Angeles Ballona Wetlands, Area 3. 2-3 plants confined to a small strip of coastal strand near the jct. of Lincoln Blvd. and the Ballona Creek Channel. Comment
  UCR220165  Eriogonum pusillum R. G. Swinney 2009-4-2 10254 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  SBBG65435  Eriogonum reniforme R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  SBBG64246  Eriogonum roseum R. Hoffmann 1927-8-31 Los Angeles E end of Bouquet Cyn Comment
  RSA580465  Eriogonum saxatile Tim S. Ross, S. D. Boyd 1994-5-11 7829 Los Angeles Sawmill Mountain: center summit area, along Maxwell Truck Trail; ca 1370 m ESE of Upper Shake Campground. 1405 Comment
  UC535053  Eriogonum saxatile Victor Duran 1933-7-27 3538 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  UCR266372  Eriogonum thurberi D. E. Bramlet, Allison D. Rudalevige 2009-4-30 4383 Los Angeles Transverse Range; San Gabriel Mtns., lower Big Tujunga Creek Wash, NE of Foothill Blvd. 363 Comment
  CAS-BOT-BC268171  Eriogonum umbellatum var. minus Le Roy Abrams 1901-7-1 1930 Los Angeles Mt. San Antonio 3048 Comment
  RSA729879  Eriogonum umbellatum var. minus R. G. Swinney 1998-9-7 6926 Los Angeles Pine Mountain Ridge, c. 1/4 mi. west of summit of Pine Mountain. 2817 Comment
  LA207023  Eriogonum umbellatum var. umbellatum D. Bradbury; Gloria Bradbury 1940-7-17 348 Los Angeles San Gabriel Mountains, along Angeles Forest highway 1219 Comment
  RSA62952  Eriogonum wrightii var. membranaceum C. Shay, K. Crawford 1951-9-17 s.n. Los Angeles Saddle Peak Drive, Santa Monica Mountains. 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
  RSA766284  Eriogonum wrightii var. subscaposum Joseph A. Ewan 1934-8-9 8408 Los Angeles Summit Mt. Williamson. San Gabriel Mtns. 2500 Comment
  UC1584885  Eriogonum wrightii var. subscaposum Tim Ross, Steve Boyd 1991-7-24 5625 Los Angeles ridge nne Granite Mountain; Granite Mountain vicinity, Pacifico Mountain USGS 7.5' quad. 1865 Comment
  OBI35680  Eriophyllum confertiflorum Rebecca Cicoria 1982-4-25 45 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling Hills. Comment
  POM357935  Eriophyllum confertiflorum Norman C. Cooper 1949-6-29 4374 Los Angeles San Gabriel Canyon 610 Comment
  RSA320807  Eriophyllum confertiflorum F. C. Boutin 1967-4-23 1684 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site 305 Comment
  RSA536077  Eriophyllum confertiflorum Timothy S. Ross 1991-5-21 5422 Los Angeles San Clemente Island. Upper reaches of Box Canyon, SW side of the island. 366 Comment
  RSA771851  Eriophyllum confertiflorum R. G. Swinney 2009-5-28 10911 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR205459  Eriophyllum confertiflorum R. G. Swinney 2008-5-2 8726 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA0105749  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-7 15447 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
  RSA0110892  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-5-6 14618 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  SBBG61058  Eriophyllum confertiflorum var. confertiflorum R. Hoffmann 1925-5-17 Los Angeles Ridge Route (US Hwy 99) Comment
  UCR200154  Eriophyllum confertiflorum var. confertiflorum Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 817 Los Angeles Verdugo Mountains, south side, Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, west of De Bell Municipal Golf Course 396 Comment
  CAS-BOT-BC308357  Eriophyllum nevinii Reid Moran 1941-4-27 833 Los Angeles Near east landing, Santa Barbara Island 10 Comment
  POM358083  Eriophyllum nevinii F. R. Fosberg 1931-7-16 S- 5609 Los Angeles Avalon. Santa Catalina Island. 5 Comment
  RSA139168  Eriophyllum nevinii Reid V. Moran 1958-9-15 6820 Los Angeles Canyon 1.8 miles SE of Eel Point, San Clemente Island 100 Comment
  UCR223025  Eriophyllum pringlei R. G. Swinney 2009-4-29 10617 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCR259064  Eriophyllum pringlei R. G. Swinney 2010-5-12 12759 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
  SFV15589  Eriophyllum wallacei K. C. Molina, K. L. Garrett 1992-5-10 20 Los Angeles San Gabriel Mountains 4 km northeast Valyermo Ranger Station at Bob's Gap. Gravel hillside. 1200 Comment
  SBBG131997  Erodium botrys S. A. Junak 1996-4-12 SCI 291 Los Angeles E edge of terrace at head of more northern of 2 parallel cyns, E of Peak 1396 408 Comment
  RSA598262  Erodium cicutarium R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Disturbed area on Big Dalton Canyon Road, 0.9 mi. E of Glendora Mtn. Rd. 427 Comment
  SEINET4044552  Erodium cicutarium D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  JEPS61401  Erodium macrophyllum Samuel B. Parish Jun 1888 1906 Los Angeles Elizabeth Lake Comment
  RSA213391  Erodium moschatum M. B. Dunkle, Bonnie C. Templeton 1939-4-6 7306 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA390930  Erodium moschatum James B. McNair 1934-4-19 s.n. Los Angeles 8th St and Ardmore Ave, Los Angeles Comment
  SFV15592  Erysimum capitatum K. C. Molina, K. L. Garrett 1992-5-10 16 Los Angeles San Gabriel Mountains Valyermo. Valyermo Road, about 1 km northwest of Big Rock Creek. 1200 Comment
  SDSU2400  Erysimum capitatum H. Wedberg 1967-5-20 1379 Los Angeles At Pine Canyon Roadside Rest, 9 miles from Hwy 138 on the road from Gorman to Elizabeth Lake and Palmdale. Comment
  JEPS86568  Erysimum capitatum var. capitatum Roy E. Buck 1988-4-10 895 Los Angeles e side of Three Points Rd 0.3 road mi n Three Points (ca 0.6 air km ne of confluence of Oakdale Canyon and Pratt Canyon drainages, 26 air km n of Castaic) 1036 Comment
  RSA135175  Erysimum capitatum var. capitatum P. H. Raven 1960-5-15 15371 Los Angeles Piuma Road 5.1 miles north-west of Rambla Pacifica [Rd]. 213 Comment
  LA85129  Erysimum capitatum var. capitatum O. H. Kappler; 1946-4-13 1130 Los Angeles San Gabriel Mountains, Mint Canyon 761 Comment
  SEINET198132  Erythraea venusta G. B. Grant 1901-1 441 Los Angeles Oak Knoll, Pasadena, Cenrtal and S. Calif. Comment
  POM310  Eschscholzia P. A. Munz 1918-3-28 2004 Los Angeles Small canyon: 3 mi. N of Claremont, near Palmer's Canyon Comment
  UC57537  Eschscholzia Geo. B. Grant May 1901 3777 Los Angeles Catalina Island Comment
  RSA642278  Eschscholzia caespitosa Orlando Mistretta 1995-6-23 1845 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1463 Comment
  RSA433637  Eschscholzia caespitosa Edwin Kline 1925-4-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mountains. Comment
  RSA0055763  Eschscholzia californica R. G. Swinney 2010-4-1 12147 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  UCD94060  Eschscholzia californica Shannon M. Still 2006-3-31 67 Los Angeles California. Los Angeles County: North side of Lancaster Road ca. 0.6 mi. east of entrance to Antelope Valley Poppy Preserve. 816 Comment
  CAS-BOT-BC403162  Eschscholzia californica Reid Moran 1941-2-25 612 Los Angeles North of Wilson Harbor, Santa Catalina Island Comment
  RSA150663  Eschscholzia ramosa Peter H. Raven 1962-5-9 17646 Los Angeles Just N of Gray, San Clemente Island. 366 Comment
  RSA445473  Eschscholzia ramosa M. B. Dunkle 1939-4-6 7301 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SBBG112771  Eschscholzia ramosa S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 516 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  UCR214638  Eucalyptus A. C. Sanders, Dan S. Cooper 2010-3-12 37378 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CHSC95852  Eucalyptus camaldulensis LeRoy Gross 2003-1-26 689 Los Angeles Los Angeles Basin Region: San Fernando Valley: Haines Canyon Channel in Big Tujunga Wash, south front of the San Gabriel Mountains, east of Foothill Blvd. south side of wash. 366 Comment
  SBBG31474  Eucrypta chrysanthemifolia R. F. Thorne 1966-4-5 35840 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SFV16835  Eucrypta chrysanthemifolia var. chrysanthemifolia J. D. Dilley 1997-3-29 148 Los Angeles Santa Monica Mountains Studio City. Beatty Dearing Trail, beginning on Mulholland Drive, 0.5 miles west of Laurel Canyon Drive. 245 Comment
  UC24016  Eucrypta chrysanthemifolia var. chrysanthemifolia J. H. Barber 1897-2-24 45 Los Angeles Santa Monica Experimental Station Comment
  OBI44736  Euphorbia albomarginata David J. Keil, V. L. Holland, Michael Stiles, and Francis Villablanca 1987-5-1 20042 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  UCR66531  Euphorbia helioscopia L. C. Wheeler 1933-7-14 01936 Los Angeles San Gabriel Valley, Potrero Chico near Rio Hondo 69 Comment
  RSA598998  Euphorbia helioscopia L. C. Wheeler 1951-3-10 6799 Los Angeles Pasadena. 955 South Orange Grove Avenue. Comment
  UCR95515  Euphorbia maculata L. C. Wheeler 1966-9-21 8882 Los Angeles San Gabriel Mtns., San Gabriel Canyon, El Encanto 259 Comment
  RSA0117871  Euphorbia melanadenia Robert L. Benson 1960-4-21 25 Los Angeles Little Dalton Canyon above Glendora. Mt. Range: San Gabriel. 365 Comment
  UCR119531  Euphorbia ocellata var. arenicola L. C. Wheeler 1965-6-21 8694 Los Angeles Mojave Desert, c. 3 miles east of 90th Street E on Ave. O, c. 1 mile west of Alpine Butte Wildflower Sanctuary 793 Comment
  UCR124723  Euphorbia palmeri B. C. Templeton 1932-8-25 5069 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UC1348864  Euphorbia peplus Robert F. Thorne 1966-5-31 36426 Los Angeles Avalon; Santa Catalina Island 7 Comment
  UCD142458  Euphorbia peplus Doris Pechuanco 1964-7-25 s.n. Los Angeles Los Angeles, Ferndell. Comment
  UCR51488  Euphorbia pulcherrima A. C. Sanders 1987-12-4 7583 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  SBBG108426  Euphorbia spathulata T. Ross 1995-5-21 8600 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
  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
  SBBG56676  Festuca microstachys R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UCR186981  Festuca microstachys A. C. Sanders 2006-4-10 32004 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
  SBBG38844  Festuca myuros M. B. Dunkle 1939-4-4 7257 Los Angeles Pyramid Cove Comment
  SDSU3244  Festuca perennis Gerald Collier 1951-5-10 M 60 Los Angeles 11618 Mayfield Ave, LA 49. Comment
  UCR86536  Filago arizonica T. S. Ross, O. Mistretta, M. Hammitt 1991-5-20 5326 Los Angeles Channel Islands, West side San Clemente Island, between Box & Horse Canyons 485 Comment
  RSA188163  Filago arizonica R. F. Thorne 1966-4-4 35760 a Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus 61 Comment
  RSA578730  Filago depressa Timothy S. Ross, J. Mark Porter 1994-5-1 7592 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  SBBG13814  Foeniculum vulgare M. A. Piehl 1962-10-3 62485 Los Angeles head of S fork of Gallagher Cyn 396 Comment
  SFV16498  Foeniculum vulgare K. Tajbakhsh 1996-4-13 26 Los Angeles California Channel Islands Catalina Island. Fisherman's Bay. 50 m outside of USC Marine Research Station. Comment
  RSA569841  Forestiera pubescens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4875 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  SBBG26942  Frangula californica subsp. californica I. W. Clokey, B. Templeton -Jun-1929 4586 Los Angeles Mandeville Cyn 200 Comment
  UCR273289  Frangula californica subsp. californica R. G. Swinney 2011-7-7 15451 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  CAS-BOT-BC223758  Frankenia salina Carl B. Wolf 1932-5-12 3589 Los Angeles Santa Catalina Island. Little Harbor 3 Comment
  CATA3210  Frankenia salina Julie L. King 2016-11-29 29 Los Angeles Santa Catalina Island: 25 meters west of SE junction of Empire Landing & Quarry Haul Rd. 173 Comment
  CAS-BOT-BC478183  Fraxinus uhdei R. E. Jr. Riefner 2015-8-23 15 -345 Los Angeles Universal City, along E side of Barham Blvd., vicinity of Craig Drive 233 Comment
  UC1123385  Fraxinus velutina A. D. Gifford 1934-4-23 144 Los Angeles 0.5 mi w Lobe Canyon, forks of road; Triunfo Pass Quad. 243 Comment
  UC1293712  Fremontodendron californicum P. C. Everett, E. K. Balls 1959-5-22 23804 Los Angeles Big Rock Creek, N. slopes San Gabriel Mts., from Valyermo 1371 Comment
  RSA580104  Galium andrewsii subsp. intermedium Tim S. Ross, Steve D. Boyd 1994-9-21 8345 Los Angeles 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100m W of the Cow Spring Canyon drainage. 1149 Comment
  RSA763112  Galium angustifolium R. G. Swinney 2008-8-13 9399 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  SEINET235620  Galium angustifolium Scott D. White 1997-5-8 5083 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom ajd adjacent slopes below San Gabriel Reservoir. 400 Comment
  POM96972  Galium angustifolium subsp. angustifolium Philip A. Munz 1925-5-23 9433 Los Angeles San Gabriel Canyon. 488 Comment
  UC303458  Galium angustifolium subsp. gabrielense I. Johnston 1917-6-20 1262 Los Angeles Baldy Lookout of USFS San Antonio Mts. 2133 Comment
  JEPS24235  Galium aparine Peter H. Raven 1959-4-4 13949 Los Angeles hillside just e Zuma Beach; Santa Monica Mountains, Point Dume 15 Comment
  RSA87443  Galium aparine F. W. Peirson 1921-6-19 1184 Los Angeles North Fork of San Gabriel River. 1006 Comment
  POM11921  Galium biflorum Philip A. Munz 1922-5-30 5579 Los Angeles Mescal Valley, San Antonio Mountains. 2043 Comment
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Jul 3 2014
  UC1260169  Galium bifolium Robert F. Thorne and Larry DeBuhr 1974-6-28 44745 Los Angeles Lily Springs area San Gabriel Mts., Angeles National Forest, Mt. Hawkins, S Fo (n slope of mt., drainage of creek) 2438 Comment
  SD28059  Galium catalinense Carl B. Wolf 1932-5-11 3552 Los Angeles Santa Catalina Island; W. side of Isthmus Harbor 14 Comment
  UCR13483  Galium catalinense O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  JEPS27192  Galium catalinense subsp. acrispum Reid Moran 1958-9-15 6822 Los Angeles canyon 1.8 mi se Eel Point; San Clemente Island 100 Comment
  SBBG131442  Galium catalinense subsp. acrispum S. A. Junak 1996-4-10 SCI 280 Los Angeles just N of first large cyn S of Triangulation Pt "Jack", on E edge of terrace 237 Comment
  RSA279053  Galium grande Robert F. Thorne 1971-4-23 41465 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  SD70525  Galium grande Lauramay T. Dempster 1964-1-26 3975 Los Angeles Hillside above Chantry's Flat, San Gabriel Mountains 671 Comment
  RSA0005750  Galium hallii L. R. Abrams, E. A. McGregor 1908-7-3 598 Los Angeles North Baldy Mt., Rock Creek Canyon. 1524 Comment
  RSA577276  Galium johnstonii Orlando Mistretta 1994-7-20 1435 Los Angeles Big Rock Creek, Sycamore Flat Campground. 1305 Comment
  UCR85806  Galium johnstonii T. S. Ross, Steve Boyd 1991-7-24 5672 Los Angeles San Gabriel Mtns, Granite Mountain, NNE slope 1900 Comment
  LA50674  Galium nuttallii subsp. nuttallii Carl Epling; 1929-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  SD80115  Galium parisiense C. W. Tilforth 1969-6-6 210 Los Angeles Rancho Santa Ana Bot. Gard., Claremont. Comment
  POM284023  Galium porrigens C. Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA0011521  Galium porrigens var. porrigens Orlando Mistretta, Christine Mistretta 2011-6-23 5742 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  UCR86546  Galvezia speciosa T. S. Ross 1992-4-14 6162 Los Angeles Channel Islands, San Clemente Island: central E side of the island; lower end of Nanny Canyon near its 'mouth 168 Comment
  SEINET4095005  Gambelia speciosa R. Moran 1941-1 602 Los Angeles Above the ocean, northwest of Johnson's Valley on Santa Catalina Island. 10 Comment
  CATA531  Gamochaeta ustulata Sara L. Crockett 1997-4-29 684 Los Angeles Santa Catalina Island: S margin of Bulrush Reservoir, upper pool 332 Comment
  SD90213  Garrya veatchii Benjamin C. Stone 1953-3-9 291 Los Angeles Chaparral above San Gabriel dam area, San Gabriel Mountains. 1067 Comment
  RSA773998  Gayophytum R. G. Swinney 2009-7-22 11308 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  UCR146682  Gayophytum decipiens Orlando Mistretta 1993-6-16 883 Los Angeles San Gabriel Mountains, On bench below Devils Backbone Ridge 2530 Comment
  UCR272569  Gayophytum heterozygum R. G. Swinney 2011-6-7 15038 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  CATA3464  Genista linifolia Tobias Nickel, Julia Parish 2017-5-31 006 Los Angeles Santa Catalina Island: Interior; Northeast of Lower Cottonwood Canyon Rd and south of main drainage in Middle Cottonwood Canyon 125 Comment
  UCR149318  Geranium carolinianum R. G. Swinney 1998-4-13 5969 Los Angeles San Gabriel Mtns., Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of north end of Mills Ave., on Cobal Canyon Rd. 543 Comment
  UCR6049  Geranium dissectum Dick Bernier 1966-4-2 s.n. Los Angeles Los Angeles Basin, up from 7th St. in the Puente Hills [along Hwy 60 between the San Jose Hills and the Chino Hills] 213 Comment
  RSA763106  Gilia R. G. Swinney 2008-8-13 9386 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
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Dec 7 2018
  RSA773615  Gilia R. G. Swinney 2009-6-24 11241 Los Angeles summit of Granite Mountain 1988 Comment
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Dec 7 2018
  SBBG64393  Gilia achilleifolia subsp. multicaulis R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  RSA678785  Gilia australis Valerie L. Soza, LeRoy Gross 2002-5-8 1457 Los Angeles Approximately 460 meters west of Deer summit ('3599'), south side of FS road 6N21 from Drinkwater Flat, between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 930 Comment
  RSA746893  Gilia capitata R. G. Swinney 2005-4-9 8209 Los Angeles San Dimas, Sycamore Canyon 396 Comment
  UCR252579  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
  UCR96300  Gilia capitata B. G. Pitzer 1996-4-20 2688 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
  RSA470210  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1896-05 s.n. Los Angeles Newhall. Comment
  UC1922362  Gilia capitata subsp. abrotanifolia Valerie Soza, Susan Caplow 2003-4-11 1627 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park vicinity, head of Brand Canyon, alongside Brand Park Mtwy, north side of powerline tower. 640 Comment
  UCR19415  Gilia capitata subsp. abrotanifolia Carl Epling 1931-4-18 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Los Alisos Canyon Comment
  UCR6143  Gilia diegensis Karl Bernhard 1967-5-13 s.n. Los Angeles San Gabriel Mtns, County road N3; 100 yards north of Mt. Emma Road, 50 ft. from road 1067 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
  UC1602100  Gilia latiflora subsp. davyi J. Burtt Davy May 9 1896-May 24 1896 2655 Los Angeles near Mazana (Ma<?>ana); Antelope Valley, near Mazana Comment
  CAS-BOT-BC226404  Gilia latiflora subsp. latiflora J. Mark Porter 1998-4-27 11829 Los Angeles Antelope Valley: 170th St. East, N. of Pearblossom Hwy. Comment
  UC23664  Gilia latiflora subsp. latiflora J. H. Barber 1897-6-28 208 Los Angeles Kentucky Springs Kentucky Springs (Southern California) Comment
  UCR60779  Gilia latiflora subsp. latiflora Steve Boyd 1986-3-30 1497 Los Angeles Mojave Desert, Hwy 18, 0.5 mi east of jct with Hwy 138, NE of Pinyon Hills 1037 Comment
  SEINET12278787  Gilia latifolia J. F. Bright, Wyman, C. 1931-1 5296 Los Angeles Antelope Valley Comment
  SD139205  Gilia nevinii Jon Rebman 1996-4-26 3098 Los Angeles San Clemente Island; Knob Canyon on southeast side of island 199 Comment
  RSA0016258  Gilia ochroleuca subsp. bizonata C. B. Wolf 1935-5-6 6733 Los Angeles Liebre Mts 1/2 mile East of Gorman 1159 Comment
  UC964737  Gilia ochroleuca subsp. bizonata Herbert L. Mason 1926-4-27 3048 Los Angeles between Rock Creek and Little Rock Creek (along Los Angeles Co. Park Road, Mohave Desert); Mohave Desert, along Los Angeles Co. Park Road Comment
  RSA0016179  Gilia ochroleuca subsp. ochroleuca L. C. Wheeler 1967-5-12 9438 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SD90406  Gilia ochroleuca subsp. vivida Robert F. Thorne, C. W. Tilforth, et al. 1972-8-11 42226 Los Angeles Angeles National Forest; north slope of Mt. Waterman near Buckhorn Station in open yellow pine forest. 2133 Comment
  CAS-BOT-BC123843  Gilia traskiae Blanche Trask 1897-5-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA0094564  Githopsis diffusa Richard G. Swinney 2011-6-6 15015 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA706651  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles NE end of Santa Susana Mtns.: canyon draining into Santa Clara River Valley from the south off Round Mtn. (peak 1476), north of Potrero Canyon 305 Comment
  RSA534064  Gnaphalium californicum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5247 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336') marker, 1800ft SE of Malo Knoll (1396). 389 Comment
  UCR157920  Gnaphalium canescens Robert J. Steers 2005-5-8 17 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  UCR95769  Gnaphalium canescens subsp. microcephalum Lauren Raz, Steve Boyd 1996-10-23 027 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  UCR272640  Gnaphalium microcephalum R. G. Swinney 2011-9-22 15682 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
  RSA595630  Gnaphalium microcephalum Mark Hoefs 1995-7-14 2383 Los Angeles Upper Cape Canyon, at point of drainage crossing road scarce, sandy river bed 287 Comment
  RSA228942  Gnaphalium palustre R. F. Thorne 1971-8-25 41319 Los Angeles San Gabriel Mountains, Angeles National Forest: At Little Jimmy Springs. 2256 Comment
  RSA550415  Gnaphalium palustre Timothy S. Ross 1992-7-10 6655 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  CAS-BOT-BC110272  Grayia spinosa A. D. E. Elmer 1902-6-1 3613 Los Angeles Palmdale. Comment
  PASA1966  Greeneocharis circumscissa Stason 1932-5-11 Los Angeles Lovejoy Buttes Comment
  CAS-BOT-BC305256  Grindelia hirsutula Moxley; Grinnell 1916-6-16 495 Los Angeles Santa Susanna Mts. Comment
  JEPS26164  Grindelia hirsutula Peter H. Raven and Henry J. Thompson 1959-6-4 14344 Los Angeles Point Dume Santa Monica Mountains, Point Dume 15 Comment
  LA51490  Guillenia lasiophylla O. H. Kappler; 1944-4-2 577 Los Angeles Santa Monica Mountains, Monte Nido, Cold Creek; road from Cold Creek to Las Flores Canyon 365 Comment
  RSA430048  Guillenia lasiophylla Robert Gustafson, Christopher Davidson 1977-4-20 404 Los Angeles Escondido Cyn. Road, about 1 mi NE of junction with Agua Dulce Cyn. Road. 762 Comment
  SFV12449  Gutierrezia californica M. H. Grayum, D. L. Koutnik, B. Balch 1978-1-8 944 Los Angeles San Gabriel Mountains North of Placerita Creek at junction with Los Pinetos Canyon. South slope. 549 Comment
  SBBG131657  Hainardia cylindrica S. A. Junak 1999-5-20 SCa 953 Los Angeles Cottonwood-Black Jack Rd 304 Comment
  RSA603186  Haplopappus parishii L. C. Wheeler 1972-12-20 12783 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  RSA612306  Hedera canariensis L. C. Wheeler 1968-9-29 s.n. Los Angeles [San Gabriel Mountains]: Camp Bonita. Comment
  UCR214594  Hedypnois cretica A. C. Sanders, Dan S. Cooper 2010-4-30 38121 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC223988  Helianthemum scoparium Carl B. Wolf 1932-5-10 3534 Los Angeles Santa Catalina Island. 100 yds. SE. of Summit of the equestrian trail, back of Avalon 304 Comment
  HSC4536  Helianthemum scoparium David Porter 1965-4-27 Los Angeles 1/2 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  RSA563527  Helianthemum scoparium T. S. Ross, Walter Appleby 1993-5-13 7127 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
  RSA682653  Helianthemum scoparium var. vulgare LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1092 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. 598 Comment
  SEINET3218475 Image available Helianthus annuus David Charlton 2009-9-7 s.n. Los Angeles Western Mohave Desert: Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW Corner of area (Rosamond Lake 7.5' Q.) 698 Comment
  UCR210444  Helianthus annuus R. G. Swinney 2008-11-30 9884 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UC1595206  Helianthus gracilentus Tim Ross and Peter Fritsch 1990-6-20 3659 Los Angeles ridgetop between W Fk San Gabriel River and Roberts Canyon (Rincon-Red Box Rd. (2N24)); San Gabriel Mountains 1255 Comment
  SD252294  Heliotropium curassavicum Steven A. Junak 2000-7-1 Sca 1377 Los Angeles Santa Catalina Island: Just N of Cape Canyon Road, 0.4 mile E of intersection w/Middle Ranch Road, at storage shed, near Cape Canyon corrals. 228 Comment
  UCR161198  Heliotropium curassavicum T. B. Salvato, Melissa Clemons 2005-9-27 1230 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  SFV3116  Heliotropium curassavicum var. oculatum P. G. Kilburn 1958-10-18 879 Los Angeles Zuma Beach. 3 Comment
  SFV6937  Heliotropium curassavicum var. oculatum T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 638 Los Angeles Santa Monica Mountains Malibu Creek at Tapia Park. 137 Comment
  POM3868  Heliotropium curassavicum var. oculatum O. W. Robinson 1916-5-2 s.n. Los Angeles Claremont, corner of 3rd and Dartmouth. Comment
  CAS-BOT-BC305883  Helminthotheca echioides Peter H. Raven; Henry J. Thompson 1959-9-18 14437 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Santa Monica Boulevard near Beverly Glen Boulevard, West Los Angeles 76 Comment
  CATA391  Helminthotheca echioides Mark L. Hoefs 1974-5-2 457 Los Angeles Santa Catalina Island: Southeast side of main road at Little Harbor 3 Comment
  UCSB7392  Helminthotheca echioides Wedberg, H. 1958-5-11 Los Angeles Vacant lot back of 1001 Gayley, Westwood Village Comment
  CAS-BOT-BC310107  Hemizonella minima John H. Thomas 1957-5-8 6737 Los Angeles San Gabriel Mountains. About 13 miles NE of center of Pasadena 1676 Comment
  RSA535322  Hemizonia clementina Timothy S. Ross 1991-5-20 5354 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  POM360268  Hemizonia fasciculata C. Epling, N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  UCR155390  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2005-5-24 30272 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  SEINET11848424  Hemizonia kelloggii J. F. Bright, Wyman, C. 1931-1 5577 Los Angeles back of Manhattan Beach Comment
  RSA652507  Hemizonia ramosissima M. Wiseman 1992-5-15 14 Los Angeles [Pomona] California Polytechnic University, one and a quarter miles east of Buzzard Peak in the San Jose Hills. West of parking lot J in the mouth of 'G' canyon, roadside. Comment
  RSA617363  Herniaria hirsuta subsp. cinerea Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10228 Los Angeles Liebre Mountains region: head of Charlie Canyon at the south base of Red Mountain between San Francisquito and Elizabeth Lake canyons, near the intersection of Forest Service roads 5N30 and 5N17. 609 Comment
  RSA445004A  Hesperocnide tenella J. Aug. Kusche 1929-5-16 s.n. Los Angeles Beverly Terrace, ridge of Hollywood Hills 335 Comment
  UCR199977  Hesperocnide tenella Valerie Soza, L. Lubinsky 2001-5-16 1228 Los Angeles Transverse Ranges; Verdugo Mountains, Northern San Rafael Hills, Liz's Loop (Edison Road) to Cherry Canyon Fire Road 427 Comment
  SEINET6730995  Hesperocnide tenella G. B. Grant 1904-5-26 564 -6267 Los Angeles Pasadena Comment
  CATA3264  Hesperocyparis stephensonii Julia Parish, Ben Dion 2017-1-30 006 Los Angeles Santa Catalina Island: West side of the upper campsite at Black Jack Campground 495 Comment
  SBBG32091  Hesperolinon micranthum R. N. Philbrick 1967-5-18 B 67 -188 Los Angeles Wild Boar Gully, Salta Verde Comment
  RSA0119670  Hesperoyucca whipplei R. G. Swinney 2014-5-19 16567 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  SD230284  Heteromeles arbutifolia Steve Boyd 1997-9-17 10038 B Los Angeles Liebre Mountains Region: Knapp Rand area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 975 Comment
  UC483211  Heteromeles arbutifolia L. R. Abrams and I. L. Wiggins 1931-7-6 385 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  UCR124457  Heteromeles arbutifolia I. W. Clokey, B. C. Templeton 1929-1 4589 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 300 Comment
  CAS-BOT-BC318850  Heterotheca grandiflora Geo. B. Grant 1905-5-10 568 Los Angeles Pasadena Comment
  JEPS20375  Heterotheca grandiflora I. W. Clokey and E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon Comment
  RSA0074080  Heterotheca grandiflora Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8897 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  CAS-BOT-BC311147  Heterotheca sessiliflora A. C. Sanders 2003-3-14 25756 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
  RSA709748  Heterotheca sessiliflora A. C. Sanders, Dave Fleitner, Mark Elvin 2003-8-6 27138 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  SBBG63120  Heterotheca sessiliflora subsp. echioides R. Hoffmann 1928-7-8 Los Angeles Fairmont Comment
  UCR209427  Heuchera R. G. Swinney 2008-9-13 9456 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  RSA0063245  Heuchera elegans I. M. Johnston 1917-6-20 1733 Los Angeles San Antonio Mountains, Baldy Lookout of U.S.F.S. 1829 Comment
  PASA2231  Heuchera rubescens Margaret Stason 1931-6-13 Los Angeles buckhorn flats, san gabriel mts. Comment
  SBBG66314  Hieracium albiflorum Anstruther Davidson -Jul-1895 Los Angeles Big Rock Crk Comment
  POM360457  Hieracium argutum Geo L. Moxley 1913-9-1 4042 Los Angeles Sturtevant Trail, Santa Anita Canyon. Comment
  LA202586  Hoita macrostachya W. O. Griesel; 1936-6-16 sn Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon Comment
  UC16301  Hoita macrostachya J. H. Barber 1897-9-14 15 Los Angeles Santa Monica Expt. Station Comment
  RSA628349  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles 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. 915 Comment
  RSA488446  Holodiscus discolor Mark Hoefs 1974-9-17 535 Los Angeles Santa Catalina Island. Gallagher's Canyon- lower west fork. 30 Comment
  POM352437  Hordeum brachyantherum H. L. Bauer 1929-4-15 s.n. Los Angeles Long Beach Comment
  UCR92052  Hordeum murinum Scott D. White 1996-4-21 3937 Los Angeles Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill Blvd., east of Towne Ave. 323 Comment
  CDA2204  Hordeum murinum subsp. glaucum L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains; near the mouth, east side little Tujunga. Near BM. 1227. Comment
  RSA648011  Hordeum murinum subsp. glaucum Diane Elliott 1985-5-10 24 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  RSA18523  Horkelia cuneata subsp. puberula Carl B. Wolf 1927-7-24 675 Los Angeles 1/2 mile east of Montrose Comment
  SEINET13384055 Image available Horkelia rydbergii R. G. Swinney 2011-1 15312 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  UCR275501  Horkelia rydbergii D. E. Bramlet 2011-8-17 4931 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  SBBG70394  Hornungia procumbens R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA0047398  Hosackia crassifolia var. crassifolia Orlando Mistretta 1990-5-16 s.n. Los Angeles Vicinity of Big Pines. Mountain High Ski Area 2098 Comment
  PASA2223  Hulsea heterochroma R. J. Dobbs 1927-6-6 Los Angeles Arroyo Seco-Tujunga Divide, about 1 mile from Waterman's Comment
  SFV19328  Hulsea vestita P. Wilson, J. N. Hogue 243.1 2005-5-23 4210 Los Angeles San Gabriel Mountains Near Winston Peak, along trail from Cloudburst Summit, north of Highway 2. About 0.75 km from highway. 2075 Comment
  LA32221  Hydrocotyle umbellata Peter H. Raven; Henry J. Thompson 1959-9-19 13716 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2 mi E of turnoff to Zuma Beach on US 101 [now Pacific Coast Hwy, US 1] 45 Comment
  RSA202419  Hydrocotyle verticillata June McCaskill 1968-6-2 733 Los Angeles In mud in central aisle in small lathhouse, behind residence at 532 North Catalpa Road, Arcadia Comment
  RSA191576  Hymenoclea salsola var. salsola R. F. Thorne 1966-4-23 36149 Los Angeles San Gabriel Mountains: just N of Valyermo 1067 Comment
  CAS-BOT-BC401312  Hypericum scouleri R. G. Swinney 2009-7-22 11365 Los Angeles Transverse Range; San Gabriel Mtns.: Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  SD107847  Isocoma menziesii var. menziesii Larry DeBuhr, Gary Wallace 1972-9-4 724 Los Angeles San Clemente Island, West Cove at northwest end of island Comment
  UCSB9932  Isocoma menziesii var. sedoides Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  CAS-BOT-BC311713  Isocoma menziesii var. vernonioides L. R. Abrams 1901-8-21 2191 Los Angeles Port Los Angeles Comment
  OBI69357  Isocoma menziesii var. vernonioides John Knapp, Denise Knapp 2002-11-27 11 Los Angeles Santa Catalina Island 366 Comment
  SD146019  Isocoma menziesii var. vernonioides A. C. Sanders, D. Malueg and K. D. Jones 1999-11-19 23257 Los Angeles Santa Susana Mountains; Aliso Canyon Oil Field, Oat Mountain, Mormon, Limekiln and Aliso Canyon watersheds. 594 Comment
  UCR13468  Isomeris arborea var. insularis O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  UCR95476  Isopyrum occidentale Steve Boyd, M. Wall 1996-4-4 8544 Los Angeles Transverse Range; Liebre Mtns., Angeles National Forest; lower Ruby Canyon, along Ruby Canyon Road c. 0.85 mi east of the junction with Lake Hughes Road, upstream from the confluence of Ruby Canyon and Elizabeth Lake Canyon at the NW base of Red Mountain 610 Comment
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Sep 26 2006
  UCR141578  Ivesia santolinoides June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  POM361343  Jaumea carnosa H. E. Hasse 1899-7-30 s.n. Los Angeles Bluffs near Ballona Comment
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Jul 21 2010
  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
  UCD110252  Juglans californica Marc Meyer 1993-3-20 12 Los Angeles Santa Susana Mts., 2 mi. N of Mason Ave. and 118 Fwy. 400 Comment
  SEINET12033434  Juglans californica J. F. Bright, Wyman, C. 1933-1 8147 Los Angeles Mountains around Hollywood Comment
  CAS-BOT-BC354032  Juglans hindsii R. E. Riefner, Jr. 2014-1-1 14 -20 Los Angeles La Habra Heights, Puente Hills, Fullerton Rd. East ca 0.2 mi from Skyline Dr. 254 Comment
  UC115126  Juncus ambiguus T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  PASA625  Juncus balticus Frank W. Peirson 1922-6-4 Los Angeles Soledad Canyon 457 Comment
  RSA69628  Juncus balticus F. W. Peirson 1922-6-4 1642 Los Angeles Soledad Canyon, San Gabriel Mountains. 457 Comment
  SBBG57236  Juncus balticus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  RSA749658  Juncus balticus subsp. ater R. G. Swinney 2005-8-5 8364 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  UCSB557  Juncus bufonius var. bufonius 1943-5-11 Los Angeles Below Johnstone Peak; west of San Dimas Canyon; San Dimas Experimental Forest; San Gabriel Mountains Comment
  SBBG44999  Juncus covillei V. Duran 1933-7-22 3526 Los Angeles Buckhorn 1981 Comment
  POM1623  Juncus macrophyllus I. M. Johnston 1917-6-14 1342 Los Angeles West of Pomona. Comment
  RSA698754  Juncus macrophyllus LeRoy Gross, Paul Morton 2004-6-9 1364 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1642 Comment
  RSA368266  Juncus macrophyllus Anstruther Davidson 1889-07 s.n. Los Angeles Glendale. Comment
  POM1624  Juncus mexicanus Le Roy Abrams 1901-4-8 1445 Los Angeles Los Angeles River Comment
  LA210415  Juncus patens K. Opitz; 1941-5-24 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA756735  Juncus rugulosus R. G. Swinney 2008-6-24 9093 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  UCR239941  Juncus rugulosus R. G. Swinney 2009-11-16 11632 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
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Mar 13 2013
  RSA0036820  Juncus tiehmii Justin M. Wood 2011-7-7 4331 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  JEPS67131  Juncus xiphioides J. H. Barber 1898-8-5 Los Angeles Malibu Canyon Comment
  RSA674581  Juncus xiphioides Scott D. White 2000-8-25 8127 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  UCR4366  Juniperus californica Frank C. Vasek 1964-5-27 640527- 06 Los Angeles Western Mojave Desert, Antelope Valley, between Gorman & Lancaster Comment
  RSA654448  Keckiella antirrhinoides Valerie L. Soza, Laura Moore 2000-5-30 974 Los Angeles Liebre Mountains: San Francisquito Canyon, at Los Angeles Dept of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, W of San Francisquito Canyon Road. 488 Comment
  RSA293251  Keckiella breviflora var. breviflora D. C. Michener 1980-7-1 3696 Los Angeles Liebre Mtns, Atmore Meadow. Ca 1 km down trail to Cienaga Mine. 1300 Comment
  RSA592866  Keckiella ternata subsp. ternata Louis C. Wheeler 1967-7-30 10276 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground. 1006 Comment
  SEINET13276796 Image available Keckiella ternata subsp. ternata R. G. Swinney 2011-1 15854 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  RSA0042466  Kickxia elatine Naomi Fraga 2014-4-2 s.n. Los Angeles Rancho Santa Ana Botanic Garden near pond and cultivar garden. 396 Comment
  OBI39743  Krascheninnikovia lanata David J. Keil, V. L. Holand and Dirk Walters 1977-5-8 12318 Los Angeles Just outside of Saddleback Butte State Park Comment
  CDA8064  Kuhnia J. S. Steele Dec 1968 Los Angeles Gardena. 0 Comment
  POM361386  Lactuca serriola Wm. Martin, Robert Gustafson 1971-7-14 s.n. Los Angeles Normandie and Exposition Blvds., Los Angeles. Comment
  SEINET11446798 Image available Lagophylla ramosissima L. C. Wheeler 1933-7-2 1890 Los Angeles Puddingstone Dam, San Jose Hills 305 Comment
  POM352643  Lamarckia aurea J. Aug Kusche 1929-5-16 s.n. Los Angeles Beverly Terrace, ridge of Hollywood Hills 335 Comment
  SEINET187241 Image available Lamarckia aurea L. A. Stoddart, AD Smith 1939-4-13 Los Angeles Vicinity of Azusa Comment
  RSA356052  Lamium amplexicaule Robert F. Thorne 1973-3-26 42718 Los Angeles Webb Canyon, N of Claremont 366 Comment
  UCD125103  Lamium amplexicaule Robert F. Thorne; M. Z. Thorne 1980-3-23 54012 Los Angeles Foothills of San Gabriel Mts: Johnson's Pasture, above Claremont. 609 Comment
  UCR193457  Langloisia matthewsii R. G. Swinney 1999-6-28 7436 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA0035636  Lantana montevidensis Phil Elliott 1981-2-26 20 Los Angeles Cal Poly Pomona, 50 feet north of bldg. 3. Comment
  RSA657446  Lantana montevidensis S. Campbell 1980-6-2 30 Los Angeles Verdugo Mountains Region: Found 50 feet west of Sierra Place. 244 Comment
  UCR265492  Lasthenia glabrata subsp. coulteri Dan S. Cooper 2015-3-10 2015- 44 Los Angeles Los Angeles Basin; Coastal Plain, Seal Beach near Long Beach border, 'Hellman Property 2 Comment
  SBBG96844  Lasthenia gracilis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4220 Los Angeles lower half of China Cyn Comment
  UC15337 Image available Lathyrus laetiflorus unknown 1893-5-1 Los Angeles Los Angeles; Los Angeles Co. Comment
  RSA0116844  Lathyrus vestitus R. G. Swinney 2010-5-25 12922 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCSB3121  Lathyrus vestitus Beach, Kay 1943-2-9 Los Angeles San Dimas Exp. Forest; Monroe Canyon, 2100 ft. contour trail near gage 459 Comment
  RSA592367  Lathyrus vestitus subsp. alefeldii Mark Hoefs 1974-4-30 435 Los Angeles Santa Catalina Island; wooded hillside by trail in Hermit's Gulch 122 Comment
  POM49786  Lathyrus vestitus subsp. alefeldii L. W. Nuttall 1920-5-7 s.n. Los Angeles Pebble Beach Canyon, Santa Catalina Island. Comment
  RSA527723  Lathyrus vestitus subsp. laetiflorus T. S. Ross, Annette Ross 1991-3-7 4151 Los Angeles Elephant Hill, western Pomona. 230 Comment
  OBI5949  Lathyrus vestitus var. alefeldii Carl B. Wolf 1932-5-9 3475 Los Angeles Santa Catalina Island. Pebbly Beach Cyn. About 1/2 way to Mexican houses 61 Comment
  POM243786  Lavatera assurgentiflora subsp. assurgentiflora F. R. Fosberg 1931-5-22 7167 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  RSA434056  Lavatera assurgentiflora subsp. assurgentiflora Bonnie C. Templeton 1936-5-18 5664 Los Angeles Puddingstone Dam Comment
  RSA500842  Lavatera assurgentiflora subsp. assurgentiflora F. C. Boutin 1967-5-23 1623 Los Angeles San Clemente Island: north end of island SW of airstrip runway, 25 miles from coast Comment
  SBBG31485  Lavatera assurgentiflora subsp. glabra R. F. Thorne 1966-4-4 35794 Los Angeles Bird Rock, N of Isthmus Cove 7 Comment
  SBBG108951  Lavatera cretica S. A. Junak 1997-4-23 SCl 858 Los Angeles Larkspur Cyn, just upstream from large drop-off in cyn 188 Comment
  SBBG98083  Lavatera cretica T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5140 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 266 Comment
  CAS-BOT-BC321512  Layia glandulosa Carl B. Wolf 1937-4-28 8519 Los Angeles Western Mojave Desert. Antelope Valley, 4.5 mi S of Lancaster. Comment
  JEPS39165  Layia glandulosa W. L. Jepson 1935-4-17 17054 Los Angeles 6.5 mi w Lancaster 731 Comment
  UCR265957  Layia glandulosa Orlando Mistretta, Christine Mistretta 2005-4-21 2068 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  POM361623  Layia glandulosa George B. Grant 1904-5-5 4074 Los Angeles Arroyo Seco canyon, Sierra Madre Mountains Comment
  RSA756171  Layia glandulosa Orlando Mistretta, Christine Mistretta 2008-4-4 2336 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 53 per TRTP survey; 2008) 1220 Comment
  UCR126576  Layia platyglossa A. C. Sanders 2003-4-16 26025 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  CATA3432  Lepechinia fragrans Ben Dion, Tobias Nickel 2017-4-18 019 Los Angeles Santa Catalina Island: Interior; Shark Harbor watershed, 40m northwest of El Rancho Escondido Road 1,000 m southwest of the Airport 300 Comment
  SD107905  Lepechinia fragrans Larry DeBuhr 1977-4-16 2578 Los Angeles Santa Catalina Island; northwest side of Black Jack, along road to White's Landing. Comment
  UCR213425  Lepidium A. C. Sanders, Dan S. Cooper 2010-3-12 37329 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR197718  Lepidium fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 104 Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  CAS-BOT-BC89421  Lepidium fremontii David D. Keck; Palmer Stockwell 1935-5-15 3304 Los Angeles 1 mile west of Llano, western Mojave Desert between Victorville and Palmdale. Comment
  UCR205721  Lepidium latifolium A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36926 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
  RSA190968  Lepidium nitidum R. F. Thorne, Reed C. Rollins, D. Propst, R. Carolin 1967-3-19 36762 Los Angeles Santa Catalina Island, Head of Toyon Canyon Road, upper end W fork of Gallagher s Canyon 366 Comment
  CLARK-A1528-2328  Lepidium pinnatifidum John C. Roos 1956-6-15 Los Angeles Westwood Comment
  RSA429962  Lepidium virginicum var. pubescens Anstruther Davidson 1902-5-4 1859 Los Angeles Azusa Comment
  SBBG19205  Lepidium virginicum var. pubescens M. A. Piehl 1963-12-7 631079 Los Angeles rd to navy base just S of airfield 51 Comment
  UC1069792  Lepidospartum squamatum P. L. Johannsen 1934-2-8 270 Los Angeles 3/4 mi nw Newhall; Santa Susana Quad., Placerita Creek Comment
  UCSB6627  Lepidospartum squamatum Gill, Robert 1959-10-4 Los Angeles San Antonio Canyon, old stream bed; San Gabriel Mt. Range; Pacific Slope drainage area 1036 Comment
  RSA628814  Leptodactylon pungens Scott D. White, Dave Bramlet 1998-6-29 6822 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  POM6978  Leptosiphon androsaceus P. A. Munz, L. T. Street, G. Williams 1919-4-19 2481 Los Angeles Lone Hill, San Dimas Comment
  UCR280528  Leptosiphon aureus subsp. aureus R. G. Swinney 2014-4-10 16017 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  UCSB9522  Leptosyne californica Wedberg, H. 1958-4-13 Los Angeles 165th Street, one mile north on Hwy. 138, near Pearblossom Comment
  UCR143402  Lessingia filaginifolia var. filaginifolia F. R. Fosberg 1931-7-15 S- 5418 Los Angeles Santa Catalina Island, Isthmus 5 Comment
  POM49385  Lessingia glandulifera var. glandulifera L. R. Abrams 1901-07 1909 Los Angeles Claremont. Comment
  UC72137  Lessingia glandulifera var. glandulifera Miss E. D. Palmer Los Angeles Los Angeles Comment
  CAS-BOT-BC339563  Lessingia glandulifera var. peirsonii Ynez Whilton Winblad 1937-9-1 s.n. Los Angeles Ridge Route Comment
  UC1751080  Lessingia lemmonii var. lemmonii Annetta M. Carter, Arthur Carter 1935-9-11 969 Los Angeles Chilao Ranger Station at junction of Charleton Flats (Pine Flats) & Pacifico Road. San Gabriel Mtns. 457 Comment
  RSA679946  Lewisia rediviva LeRoy Gross, Valerie Soza 2003-6-10 1019 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. 2896 Comment
  CAS-BOT-BC283716  Leymus condensatus Timothy S. Ross; Steve Boyd 1994-9-20 8243 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along S side of Bouquet Canyon Road 993 Comment
  RSA226239  Leymus condensatus Gary D. Cromwell, David W. Wheat 1971-7-1 699 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest. Two miles NE of Glendora. 396 Comment
  CAS-BOT-BC274471  Leymus triticoides Steve Boyd; Amber Maurice 2004-5-18 11325 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
  UCR132294  Lilium humboldtii S. J. Myers 2003-6-24 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propul. Laboratory 381 Comment
  RSA596374  Lilium humboldtii subsp. ocellatum Timothy S. Ross, Steve Boyd 1995-6-28 8620 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA707552  Lilium humboldtii subsp. ocellatum Naomi Fraga, LeRoy Gross, Anh Nguyen 2005-6-9 1586 Los Angeles Palmer Canyon north of Claremont. 701 Comment
  UCD139731  Lilium humboldtii subsp. ocellatum Natalie deGarder 1992-5-30 25 Los Angeles 1.5 miles off Freeway 210 up Lincoln to Risinghill, down 0.25 mile to stream. 589 Comment
  SEINET7063574  Linanthus aureus A. G. Vestal 1947-4-8 s.n. Los Angeles Near Littlerock on Route 139. UTM Zone 11, 409714mE, 3820375mN. (WGS84/NAD83). 881 Comment
  UC557682  Linanthus bicolor Nell Murbarger Mar 1936 21 Los Angeles Mesa summit, and e side of San Clemente Island San Clemente Island Comment
  RSA11020  Linanthus californicus C. B. Wolf 1928-4-1 1608 Los Angeles Santa Susanna Pass. 1/2 mi. from summit. Comment
  RSA276018  Linanthus californicus Jack Delaini 1974-5-9 170 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 793 Comment
  RSA468457  Linanthus californicus N. C. Cooper 1949-6-18 4197 Los Angeles Mt. Baldy Resort. 1220 Comment
  RSA468484  Linanthus californicus David Young 1969-3-15 P- 399 Los Angeles 3 mi. NW of Chasworth, California S. of Hwy 118 on Santa Susana Rd. 293 Comment
  UCD118512  Linanthus californicus Dan Axelrod 1932-3-21 s.n. Los Angeles 10 miles north of San Fernando. Comment
  POM156653  Linanthus dianthiflorus subsp. dianthiflorus L. R. Abrams 1903-4-10 3235 Los Angeles Grassy hills, near Inglewood 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
  RSA545180  Linaria canadensis var. texana Tim S. Ross 1992-4-16 6203 Los Angeles Central part of island; 291 degrees WNW, 725 m distant from summit of 1603' peak above Stone field station, San Clemente Island 416 Comment
  UCR265621  Lindernia dubia Michael C. Long 2015-7-24 927 Los Angeles El Monte, Peck Road Water Conservation Park (County Park). Southwestern edge of broad peninsula, along South Lake, separating lakes into two sections 87.78 Comment
  LA50732  Lithophragma affine Carl Epling; March 1925 6046 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0091077  Lithophragma affine R. G. Swinney 2011-3-22 14187 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  UCR17163  Lithophragma affine P. H. Raven, H. J. Thompson 1960-4-24 15124 Los Angeles Western Transverse Range; Santa Monica Mtns., 2 mi east of Decker Road on Mulholland Hwy 610 Comment
  POM1585  Lithophragma affine O. W. Robinson 1916-5-7 s.n. Los Angeles Johnson s Pastures, north of Claremont Comment
  UCSB2557  Lithophragma affine Los Angeles Flume 10, San Dimas Experimental Forest, San Gabriel Mountains Comment
  POM6851  Lithophragma affine subsp. mixtum P. A. Munz, L. T. Street, G. Williams 1919-4-5 2426 Los Angeles Puddingstone Canyon, near San Dimas. 274 Comment
  POM21369  Lobelia dunnii var. serrata Fordyce Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millard's Canyon, San Gabriel Mountains. Comment
  SD253423  Lobelia dunnii var. serrata R. G. Swinney 2011-10-27 15933 Los Angeles San Gabriel Mountains: 1.4 miles E (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Canyon and W Fork San Gabariel River, along West Fork National Scenic Bikeway (Azusa 7.5'Q) 633 Comment
  SFV17999  Lobelia dunnii var. serrata J. N. Hogue, J. D. Dilley 1999-8-11 148 .1 Los Angeles Verdugo Mountains La Tuna Canyon, along tributary on south side of canyon. 550 Comment
  SFV21140  Lobularia maritima J. M. Keefe 2001-1-19 31007 Los Angeles San Fernando Valley Big Tujunga Wash, 400 m northwest of corner of Westcott Avenue and Grove Street in Sunland. 384 Comment
  RSA651354  Lobularia maritima Toad 1981-2-26 0001 -81 Los Angeles 130 W. Grondahl Covina. Comment
  SBBG19188  Logfia arizonica M. A. Piehl 1963-12-7 631075 Los Angeles point opposite Pyramid Head on SE tip of island 10 Comment
  CAS-BOT-BC342201  Logfia filaginoides C. F. Baker 1909-4-19 5299 Los Angeles Claremont Comment
  UCR238470  Lolium multiflorum Orlando Mistretta, Christine Mistretta 2008-5-5 2653 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  RSA600163  Lomatium dissectum var. multifidum Steve Boyd, Lauren Raz 1997-5-1 9655 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
  UCR280889  Lomatium lucidum R. G. Swinney 2014-5-15 16507 Los Angeles San Gabriel Mountains, Glendora, ridge system between west and north forks of Hook Cyn., 0.48 miles north of Sierra Madre Ave. 427 Comment
  RSA750101  Lomatium mohavense R. G. Swinney 2008-5-5 8767 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  SBBG59784  Lomatium nevadense R. Hoffmann 1929-5-22 Los Angeles hills above Elizabeth Lake Comment
  SFV17598  Lomatium nevadense var. parishii J. N. Hogue, L. H. Hogue 1998-7-2 116 .12 Los Angeles San Gabriel Mountains Granite Mountain. Roundtop campground. 1951 Comment
  CAS-BOT-BC240498  Lonicera hispidula Alice Eastwood 1917-7-20 6509 Los Angeles Santa Catalina Island Comment
  SDSU1440  Lonicera hispidula var. vacillans R. M. Beauchamp 1967-3-18 299 Los Angeles San Clemente Island. Comment
  RSA0085285  Lonicera subspicata R. G. Swinney 2010-8-16 13528 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CAS-BOT-BC234855  Lonicera subspicata var. denudata Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Near Monrovia Comment
  RSA158239  Lonicera subspicata var. denudata David P. Gregory 1961-8-10 480 Los Angeles Growing near an apple orchard in the bottom of the canyon below springs. Coldwater Canyon, sw. of Mt. San Antonio. San Gabriel Mountains. Comment
  RSA670931  Lonicera subspicata var. denudata Joseph M. Keefe 2001-1-19 30916 Los Angeles Roadside along Sholl Canyon Road, 3 meters north of beginning of the Eagle Rock Park Path, 200 meters north of Figueroa Street, Eagle Rock. 280 Comment
  RSA77005  Lonicera subspicata var. denudata Robin S. Collins 1973-5-15 267 Los Angeles Angeles National Forest, San Gabriel Mountains. Trail Canyon, into canyon ca. 1/2-1 mi from beginning of pack trail 640 Comment
  UC1595332  Lonicera subspicata var. denudata Tim Ross, Orlando Mistretta 1992-7-24 6739 Los Angeles nne Strawberry Peak summit (between Coldwater and Wickiup Canyons); San Gabriel Mts. 987 Comment
  UCR179975  Lonicera subspicata var. denudata R. G. Swinney 1996-8-7 5210 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  SD52380  Lonicera subspicata var. johnstonii Benjamin C. Stone 1953-3-9 293 Los Angeles Above San Gevriel dam area. 790 Comment
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Nov 25 2014
  POM127710  Lotus argophyllus var. argophyllus George B. Grant 708 Los Angeles Little Santa Anita Canyon Comment
  RSA147965  Lotus argophyllus var. ornithopus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UCR124709  Lotus crassifolius B. C. Templeton 1932-6-19 4939 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  UC33440  Lotus dendroideus var. dendroideus Dr. A. A. Davidson Los Angeles Santa Catalina Island Comment
  JEPS55448  Lotus grandiflorus var. grandiflorus A. M. Ottley 1920-5-14 683 Los Angeles trail to La<?>ken's Pk. San Gabriel Mts. Comment
  RSA488006  Lotus hamatus Mark Hoefs, Doug Propst 1973-3-14 85 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  RSA612083  Lotus hamatus Valerie L. Soza 1998-4-26 72 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. [Coordinates given are] at center of BFS. 411 Comment
  SEINET3371870  Lotus hamatus G. Rink 2011-6-1 10572 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  RSA618784  Lotus humistratus L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch. 945 Comment
  UC1282133  Lotus nevadensis var. davidsonii Victor Duran 1933-7-24 3529 Los Angeles Buckhorn San Gabriel Mountains 1981 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
  UCR193484  Lotus procumbens R. G. Swinney 1999-6-18 7292 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  RSA406254  Lotus procumbens var. procumbens B. C. Templeton 1933-5-16 5133 Los Angeles West Blue Ridge, Big Pines Park. 2088 Comment
  UC1585954  Lotus procumbens var. procumbens Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7480 Los Angeles n side San Gabriel Mts. (Co. Rd. N2) (Pine Canyon Rd, along San Andreas Fault, on n side of road); San Gabriel Mts., San Andreas Fault Comment
  UC69547  Lotus procumbens var. procumbens J. Burtt Davy May 9 1896-May 24 1896 2502 Los Angeles Manzana Antelope Valley Comment
  RSA188076  Lotus salsuginosus R. F. Thorne 1966-4-28 36198 Los Angeles Santa Catalina Island, road to Renton Mine, Pebbly Beach Canyon. 244 Comment
  UC15686  Lotus salsuginosus J. H. Barber 1897-3-28 106 Los Angeles Santa Monica Experimental Station Comment
  UCR155116  Lotus salsuginosus A. C. Sanders 2005-5-5 29909 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  UCR259605  Lotus salsuginosus R. G. Swinney 2010-3-30 12118 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  RSA591083  Lotus salsuginosus var. salsuginosus J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10925 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  RSA406850  Lotus scoparius Elbert Benjamine, M. Rice 1929-1-13 8413 Los Angeles Sierra Madre. Comment
  RSA658473  Lotus scoparius Erinn Wilson 1996-4-26 2 Los Angeles G Canyon on Cal Poly Campus Pomona. Comment
  UC56564  Lotus scoparius var. brevialatus Miss E. D. Palmer Feb 1902 Los Angeles Los Angeles Comment
  POM8237  Lotus strigosus P. A. Munz 1920-4-21 3688 Los Angeles San Dimas Canyon. 457 Comment
  RSA0080793  Lotus strigosus R. G. Swinney 2010-4-13 12186 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom. 610 Comment
  RSA621879  Lotus strigosus R. S. Woglum 1935-5-6 723 Los Angeles Palmdale. Comment
  UC1348969  Lotus strigosus Robert F. Thorne 1966-4-6 35891 Los Angeles ridge between White Cove and Moonstone Cove (Santa Catalina Island); Santa Catalina Island 15 Comment
  UC557699  Lotus strigosus Nell Murbarger Apr 1936 167 Los Angeles w side San Clemente Island Comment
  UC56414  Lotus strigosus Ernest Braunton Mar 1903 835 Los Angeles Elysian Park Comment
  UC56563  Lotus strigosus Miss E. D. Palmer before Feb 1902 Los Angeles Los Angeles Comment
  UCR126719  Lotus strigosus A. C. Sanders, Mark Elvin 2003-4-14 25949 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
  UCR205739  Lotus strigosus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36987 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  LA52440  Lotus strigosus W. O. Griesel; 1936-4-18 Los Angeles Santa Monica Mountains, Faculty Hill U.C.L.A. Campus Comment
  POM214390  Lotus wrangelianus L. C. Wheeler 1932-4-30 673 Los Angeles Near UCLA campus, W. Los Angeles. 137 Comment
  UCR209433  Lotus wrangelianus Dan S. Cooper 2009-2-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  RSA305984  Lunaria annua Bill Kelley 1983-6-1 s.n. Los Angeles Naturalized in Big Santa Anita Canyon below Chantry Flat Comment
  UCR219927  Lupinus R. G. Swinney 2009-4-17 10395 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  CATA1495  Lupinus bicolor Mark L. Hoefs, Steven A. Junak 1996-5-1 2702 Los Angeles Santa Catalina Island: Road to Lone Tree, past Upper Road to Avalon Canyon 463 Comment
  RSA0047915  Lupinus bicolor R. G. Swinney 2010-5-12 12737 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  SBBG3546  Lupinus bicolor R. Hoffmann 1925-4-19 Los Angeles Antelope Valley 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
  RSA350048  Lupinus bicolor Samuel R. Tyson 1942-5-7 s.n. Los Angeles San Dimas Canyon. 427 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
  SEINET7047908 Image available Lupinus bicolor Steven R. Hill, Kate Kramer 2001-4-22 33357 Los Angeles North side of San Gabriel Mountains, south side of Antelope Valley, Johnson Road, 6.2 miles north-northeast of junction with Elizabeth Lake Road, 3 miles south of junction of Avenue I and 110th Street West. Elevation about 3080 feet. Comment
  SFV4362  Lupinus bicolor D. B. Dunn 1941-3-15 859 Los Angeles Highland Park. North Figueroa Ave. near Ave. 50. Comment
  POM243684  Lupinus bicolor subsp. microphyllus F. R. Fosberg 1931-6-29 4377 Los Angeles Hamilton Canyon, near Avalon, Santa Catlina Island. 100 Comment
  CATA1552  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2809 Los Angeles Santa Catalina Island: Hillside above upper Cape Canyon 359 Comment
  UCR209950  Lupinus elatus R. G. Swinney 2008-7-15 9225 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  SD224968  Lupinus excubitus B. Pitzer 1996-4-20 2707 Los Angeles Western Mojave Desert, Antelope Valley. N side of St. Hwy 138 (= Ave. D), ca. 2 mi. W of Country Store, at town of Neenach (ca 30 mi W of Hwy I-14). Comment
  RSA729360  Lupinus formosus var. formosus R. G. Swinney 1998-7-27 6504 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  LA52469  Lupinus hirsutissimus Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR124411  Lupinus hirsutissimus B. C. Templeton 1968-2-25 11396 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  RSA563501  Lupinus latifolius subsp. parishii T. S. Ross 1993-5-13 7108 Los Angeles Western San Gabriel Mts.: May Canyon Saddle at the northwest base of May Peak. 1116 Comment
  CAS-BOT-BC211722  Lupinus longifolius Wesley O. Griesel 1961-5-19 s.n. Los Angeles State Highway #2, La Canada burn, San Gabriel Mts. 609 Comment
  RSA517110  Lupinus longifolius T. S. Ross 1990-5-14 2465 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1152 Comment
  UC1595212  Lupinus longifolius Tim Ross and Peter Fritsch 1990-6-20 3669 Los Angeles Rincon-Red Box Rd (2N24) on ridgetop between W Fk San Gabriel River and Roberts Canyon; San Gabriel Mountains 1255 Comment
  SEINET10485625  Lupinus longifolius H. Dearing, M. Dearing 1938-5-22 Dearing 2593 Los Angeles Topango canyon. Comment
  RSA87027  Lupinus microcarpus var. microcarpus F. W. Peirson 1923-6-27 3536 Los Angeles On north bank Rock Creek. 1296 Comment
  UCR126600  Lupinus microcarpus var. microcarpus A. C. Sanders, Mark A. Elvin 2003-4-16 26037 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  RSA165741  Lupinus microcarpus var. microcarpus Wesley O. Griesel 1960-4-14 165 Los Angeles Rock Creek, Sycamore Flats Public Camp. 915 Comment
  RSA659053  Lupinus microcarpus var. microcarpus R. Riggins 1981-5-24 1232 Los Angeles Common in sandy soil along Peace Valley Rd. (frontage to I5) 0.5 mi S Frazier Mountain Park Rd.2 mi. N of Gorman. 1372 Comment
  SEINET10451644  Lupinus odoratus var. odoratus David B. Dunn 1946-4-20 Dunn 2147 Los Angeles Station 30, west margin of Mohave Desert. Comment
  RSA0064298  Lupinus paynei Daisie Huang 2008-4-1 08040105 Los Angeles Grimes Canyon Road (Hwy 23). 101 Comment
  SD186213  Lupinus sparsiflorus A. C. Sanders, Helen Kennedy 2005-4-13 29422 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  RSA414811  Lupinus sparsiflorus subsp. sparsiflorus T. S. Clare 1929-3-10 s.n. Los Angeles Topanga Canyon. Comment
  SEINET10490966  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne 1982-4-20 Thorne 54977 Los Angeles San gabriel mts. Mojave desert slopes; 1/4-1/2 mi n of bob's gap, n slope of Holcomb ridge, about 2.5 mi due s of llano in juniper-joshua tree woodland. Erect annual on w-facing slope. 1158 Comment
  RSA0068306  Lupinus subvexus var. subvexus R. G. Swinney 2010-5-12 12708 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
  LA52455  Lupinus truncatus Carl Epling; 1931-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA414356  Lupinus truncatus M. B. Dunkle 1939-4-7 7334 Los Angeles Pyramid Cove, San Clemente Island. Comment
  RSA414390  Lupinus truncatus James Clizbe 1930-5-6 16057 Los Angeles Griffith Park, Los Angeles. Comment
  RSA414857  Lupinus truncatus Kathrine Houghton 1931-7-19 s.n. Los Angeles Los Angeles. Comment
  RSA86941  Lupinus truncatus F. W. Peirson 1919-3-26 360 Los Angeles New York Drive and Holliston, Altadena, Alt 1150ft 351 Comment
  RSA587216  Lycium andersonii Orlando Mistretta 1995-5-2 1668 Los Angeles Carr Canyon. 1098 Comment
  UCR269929  Lycium cooperi R. G. Swinney 2010-6-1 13095 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
  RSA428585  Lycium ferocissimum Robert Gustafson 1980-9-16 1923 Los Angeles Ballona Wetlands, Area 1. Comment
  CAS-BOT-BC142283  Lyonothamnus floribundus subsp. floribundus L. R. Abrams; I. L. Wiggins 1931-7-4 320 Los Angeles White's Landing - Channel Islands, Santa Catalina Island Comment
  RSA167789  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne, Percy C. Everett 1964-2-6 33431 Los Angeles ENE slope of Black Jack Mt. above airport road, central part of Santa Catalina Island 457 Comment
  POM134488  Lythrum californicum L. R. Abrams 1901-8-21 9798 Los Angeles Santa Monica Mountains. Comment
  RSA228840  Lythrum californicum Robert F. Thorne 1971-6-26 40624 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 427 Comment
  SBBG108578  Madia elegans T. S. Ross 1992-7-12 5992 s Los Angeles home of T. S. Ross, Ontario Comment
  RSA597290  Madia elegans subsp. densifolia R. G. Swinney 1994-8-23 3223 Los Angeles San Gabriel Mountains: Mount Baldy Road on W shoulder, approx. 1/4 mi SW of Mount Baldy Road Junction with Glendora Mountain Road. 1219 Comment
  RSA94376  Madia exigua F. W. Peirson 1923-5-21 3511 Los Angeles Fish Canyon 914 Comment
  SD53071  Madia exigua Peter H. Raven 1962-5-21 17812 Los Angeles Santa Catalina Island, lower end of Bullrush Canyon 199 Comment
  CATA3410  Madia gracilis Julia A. Parish, Tobias Nickel, Jamie Choi, Stuart Olshevski 2017-5-30 024 Los Angeles Santa Catalina Island: Junction of Toyon Road and ridge trail to Campus By the Sea 312 Comment
  LA35954  Madia gracilis Peter H. Raven; Henry J. Thompson 1960-5-29 15447 Los Angeles 792 Comment
  POM362177  Madia gracilis L. C. Wheeler 1932-6-4 808 Los Angeles Live Oak Canyon 518 Comment
  RSA161191  Madia gracilis P. H. Raven 1962-5-22 17818 Los Angeles Santa Catalina Island, above Emerald Bay 122 Comment
  CAS-BOT-BC206223  Malacothamnus fasciculatus Reid Moran 1941-3-3 670 Los Angeles Brink of cliffs by the falls, near Parson's Landing, Santa Catalina Island Comment
  POM199710  Malacothamnus fasciculatus I. W. Clokey, Bonnie C. Templeton 1929-07 4595 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA433296  Malacothamnus fasciculatus Blanche Trask 190 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA434850  Malacothamnus fremontii I. M. Johnston 1917-8-22 1673 Los Angeles San Antonio Mts., Prairie Fork of the San Gabriel River 1905 Comment
  POM212390  Malacothamnus fremontii Carl B. Wolf 1931-10-23 s.n. Los Angeles Swartout valley. 1/8 mile east of Wrightwood Lodge, San Gabriel Mountains. 1829 Comment
  UC73953  Malacothrix californica J. Burtt Davy May 9 1896-May 24 1896 2515 Los Angeles Manzana Antelope Valley Comment
  RSA638210  Malacothrix clevelandii L. C. Wheeler 1967-5-15 9580 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  UC92211  Malacothrix foliosa Nevin and Lyon 1885-1 601 Los Angeles San Clemente Comment
  SBBG43856  Malacothrix foliosa subsp. foliosa M. R. Benedict 1971-6-27 Los Angeles N end of runway, near Northwest Harbor Comment
  SD90567  Malacothrix foliosa subsp. foliosa Robert F. Thorne 1973-4-11 42879 Los Angeles San Clemente Island; dunes near Flasher. Comment
  UCR132229  Malacothrix glabrata June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, north of Calif. Hwy 18 at the boundary of Los Angeles and San Bernardino Counties in Antelope Valley 1037 Comment
  RSA670929  Malacothrix saxatilis Joseph M. Keefe 2001-3-16 31132 Los Angeles North crest of Poppy Peak, across street from 1622 Poppy Peak Drive; 0.8 mile southeast of The Eagle Rock, Pasadena, CA 91105. 305 Comment
  UCR205707  Malacothrix saxatilis A. C. Sanders, T. B. Salvato 2009-5-18 36804 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  SBBG98571  Malacothrix saxatilis var. tenuifolia T. and A. Ross 1991-6-3 5516 Los Angeles Elephant Hill, W Pomona 268 Comment
  UCSB36549  Malephora crocea Gustafson, Robert 1981-3-18 Los Angeles Ballona Wetlands, Area 3 Comment
  CATA357  Malosma laurina Mark L. Hoefs 1973-7-20 403 Los Angeles Santa Catalina Island: Along stream bed, by Edison pump station, upper Middle Ranch Canyon 274 Comment
  RSA199156  Malosma laurina R. F. Thorne, D. Propst 1968-5-29 37688 Los Angeles Santa Catalina Island. Upper part of Cape Canyon on slopes of Black Jack Mt. 320 Comment
  SD91998  Malva assurgentiflora Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-25 22701 Los Angeles Sandy flat at northwest end of San Clemente Island. 4 Comment
  UC1929997  Malva assurgentiflora Mark Elvin, Orlando Mistretta 1996-3-22 116 Los Angeles Channel Islands; San Clemente Island: San Clemente Island. W Coastal strand. Comment
  SBBG98689  Malva parviflora T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5055 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  UCR281313  Malva parviflora R. G. Swinney 2014-5-8 16445 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
  RSA434896  Malva parviflora Bette Wright 1942-4-24 s.n. Los Angeles Vacant lot in city, Glendale Comment
  UCR162059  Malvella leprosa Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  SEINET10634894  Mangifera indica Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2536 Los Angeles The Farmers Market, 6333 3rd St. Stand: Farm Fresh. Comment
  CDA990  Marah macrocarpa D. G. Kelch 1991-3-24 1338 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  LA35298  Marah macrocarpa Mary V. Hood; 1944-5-7 44 43 k Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, near Tapia Park 152 Comment
  POM177972  Marah macrocarpa J. Ewan 1931-3-3 s.n. Los Angeles Moist bank in shade of sedges. East Fork Sepulveda Canyon. Comment
  RSA0053885  Marah macrocarpa R. G. Swinney 2010-5-11 12638 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  SBBG17805  Marah macrocarpa P. H. Raven 1962-4-9 17160 Los Angeles above Wilson Cove 30 Comment
  UCR271473  Marah macrocarpa R. G. Swinney 2011-5-3 14575 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA127983  Marrubium vulgare H. J. Thompson 1958-10-22 1812 -a Los Angeles Santa Monica Mountains, N slope of Mt. Hollywood. 381 Comment
  UCR219243  Marrubium vulgare Lorraine Weller 2010-8-17 010910- 01 Los Angeles Altadena Community Garden, corner of Lincoln Ave. & Palm St., Altadena 395 Comment
  RSA682292  Marsilea vestita R. E. Riefner 2002-9-8 2 -226 Los Angeles Chatsworth, Chatsworth County Park, NW portion of park. 320 Comment
  RSA144586  Meconella denticulata W. R. Ernst 1957-4-19 158 Los Angeles San Gabriel Canyon: Highway 39. 0.4 mi. S of Rincon Ranger Station. Comment
  RSA445536  Meconella denticulata Martha Hilend 1928-4-18 127 Los Angeles Griffith Park. Comment
  RSA0088587  Medicago lupulina R. G. Swinney 2010-9-13 13836 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA600469  Medicago lupulina Steve Boyd, Lauren Raz 1997-4-30 9613 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
  UCR148046  Medicago lupulina Steve Boyd, Amber Maurice 2004-5-18 11330 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
  RSA258363  Medicago polymorpha C. W. Tilforth 1973-4-23 772 Los Angeles a few plants found in block 17-16 Comment
  UCR223266  Medicago sativa R. G. Swinney 2009-8-19 11458 Los Angeles Transverse Range; San Gabriel Mtns., confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  RSA652176  Medicago sativa Dean Brown 1948-4-25 3 Los Angeles near the S.E. corner of C & 4th. Streets. Laverne. 243 Comment
  UCR199266  Melaleuca quinquenervia R. E. Riefner Jr. 2007-3-10 07- 110 Los Angeles South Coast, San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro 3 Comment
  UCR252702  Melaleuca viminalis R. E. Riefner Jr. 2007-7-28 07- 331 Los Angeles South Coast, city of Malibu, Malibu Lagoon, east side of Hwy 1, Malibu Lagoon State Park 4 Comment
  CAS-BOT-BC281510  Melica imperfecta J. H. Thomas 1957-4-27 6705 Los Angeles Santa Monica Mts. W side of mouth of Latigo Canyon, about 3 miles NW of Pt Dume. 15 miles due W of Santa Monica 152 Comment
  RSA244856  Melica imperfecta F. R. Fosberg 1931-4-29 4719 Los Angeles Santa Catalina Island. Between Cottonwood and Middle Ranch Canyon Comment
  RSA248859  Melica imperfecta R. F. Thorne 1973-4-11 42841 Los Angeles San Clemente Island, wet bottom of Norton Canyon. 274 Comment
  RSA594543  Melica imperfecta F. R. Fosberg 1931-8-11 788 Los Angeles Islip trail, south slope Mount Hawkins. 2200 Comment
  UC120494  Melica imperfecta T. S. Brandegee 1890-5-12 58 Los Angeles Santa Catalina Island Comment
  UCR126647  Melica imperfecta A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26130 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCR193709  Melica imperfecta R. G. Swinney, Dave Larson 1999-6-25 7406 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  SEINET3129501  Melica stricta Unknown 3719 Los Angeles Acton, MT Gleason Comment
  UCR189664  Melica stricta R. G. Swinney 1998-6-12 6192 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.3 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1866 Comment
  RSA5983  Melilotus albus Carl B. Wolf 1932-9-13 4056 Los Angeles Bryant Ranch. 250 ft. south of north boundary in SE 1/4 section 27 (about 460 ft. east and 250 ft. south of NW corner of SE 1/4 section 27. T4S, R12W). 5 Comment
  CATA909  Melilotus indicus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1750 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  RSA0087866  Melilotus indicus R. G. Swinney 2010-5-4 12567 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA600369  Melilotus indicus Steve Boyd, Lauren Raz 1997-5-28 9869 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UCR186752  Melilotus indicus T. B. Salvato, Sandra Murcia 2007-3-28 2019 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  UCR258852  Melilotus indicus R. G. Swinney 2010-3-16 11912 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  RSA39057  Melilotus indicus E. A. Purer 1932-3-23 2693 Los Angeles El Segundo. Comment
  RSA535691  Melilotus indicus Tim S. Ross 1991-5-22 5453 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. 61 Comment
  RSA702975  Mentha spicata Scott D. White, Michael Honer 2004-6-30 10536 Los Angeles San Gabriel Mountains: Mt. Baldy (town). West fork of San Antonio Creek within and just above uppermost residential neighborhood. 1341 Comment
  RSA594467  Mentha villosa Steve Boyd, Lauren Raz 1996-9-24 8941 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
  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
  UCR201416  Mentzelia albicaulis Scott D. White, Michael Honer 2004-3-30 9958 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  SEINET13203253 Image available Mentzelia congesta R. G. Swinney 2011-1 14504 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  RSA579526  Mentzelia dispersa Tim S. Ross, Steve D. Boyd 1994-5-24 7872 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  RSA0034476  Mentzelia laevicaulis L. Haines 1935-7-20 s.n. Los Angeles Camp Baldy Road. Comment
  RSA149737  Mentzelia laevicaulis Wesley O. Griesel 1961-8-9 s.n. Los Angeles San Gabriel Mts. State Highway #2 between Dawson Saddle and Vincents Gap. 2287 Comment
  UC19598  Mentzelia laevicaulis var. laevicaulis J. H. Barber 1897-7-12 274 Los Angeles near Saugus; Soledad Canyon Comment
  POM18162  Mentzelia micrantha P. A. Munz 1923-4-10 6749 Los Angeles San Clemente Island: canyon south of 'Lemon Tank'; west coast. Comment
  SBBG20533  Mentzelia micrantha E. R. Blakley 1963-12-7 6373 Los Angeles 200 yds SE of new air strip 60 Comment
  SD69646  Mentzelia micrantha Robert F. Thorne 1966-6-1 36470 Los Angeles Santa Catalina Island; near base of rocky east-facing bluff opposite Pebbly Beach terminal. 7 Comment
  RSA446789  Mentzelia montana Samuel R. Tyson 1943-9-1 s.n. Los Angeles Brown s Flat, San Dimas canyon. 1250 Comment
  CAS-BOT-BC167632  Mentzelia veatchiana Timothy S. Ross; Steve Boyd 1990-5-31 2737 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon 1847 Comment
  RSA250700  Mentzelia veatchiana Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39481 Los Angeles Mojave Desert: Ca. 2 miles south of Highway 138, 8 miles ESE of Pearblossom on Grandview Canyon Road. 1189 Comment
  RSA772374  Mentzelia veatchiana R. G. Swinney 2009-5-12 10736 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  RSA402606  Mesembryanthemum crystallinum Jack Rempel 1932-5-6 s.n. Los Angeles El Segundo. Comment
  RSA402612  Mesembryanthemum crystallinum F. R. Fosberg 1930-6-30 S- 3051 Los Angeles Del Rey 2 Comment
  CATA453  Mesembryanthemum nodiflorum Sara L. Crockett 1997-3-20 594 Los Angeles Santa Catalina Island: Point overlooking and NE of Ben Weston Beach 164 Comment
  RSA587180  Mesembryanthemum nodiflorum Scott D. White 1995-12-5 3758 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  UCR263277  Micranthes californica Anuja Parikh, Nathan Gale 2012-5-3 3586 Los Angeles Transverse Range: San Gabriel Mountains, West Fork San Gabriel River, 6.7 km west of State Hwy 39, San Gabriel Canyon Road 602 Comment
  CATA1848  Micropus californicus Denise Kraus 2000-4-19 3 Los Angeles Santa Catalina Island: West end of island, just off fence line road about 0.2 mile from (southern) ridge road 411 Comment
  RSA603694  Microseris douglasii subsp. platycarpha L. C. Wheeler 1936-4-12 4092 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  RSA774269  Microseris lindleyi R. G. Swinney 2009-6-8 11091 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR85447  Microseris lindleyi R. G. Swinney 1994-5-7 2826 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  UC1587739  Mimulus Tim Ross and Steve Boyd 1990-6-6 2879 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle 644 Comment
  LA51919  Mimulus aurantiacus Leo Boyd; 1953-3-25 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  RSA420308  Mimulus aurantiacus var. pubescens R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  UC440436  Mimulus aurantiacus var. pubescens H. Anderson 1930-5-30 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  HSC20804  Mimulus brevipes C. S. Apperson 1967-6-11 Los Angeles 1.0 mi. down Canton Canyon trail from the end of Townsend Park Rd. Comment
  RSA191140  Mimulus brevipes Robert F. Thorne, M. Z. Thorne 1967-6-25 37078 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA729529  Mimulus brevipes R. G. Swinney 1998-6-16 6982 Los Angeles c. 1 km. SE o summit of Lookout (Antonio) Mtn. on a connecting ridge top. 1707 Comment
  SFV19339  Mimulus brevipes J. N. Hogue, C. Solek 2005-4-8 236 .1 Los Angeles San Gabriel Mountains West Fork San Gabriel River. Mouth of Devil's Canyon, north of Cogswell Reservoir. At end of dirt road on north side or reservoir. 750 Comment
  UCSB10256  Mimulus brevipes Nowell, J. 1958-5-16 Los Angeles Mint Canyon 91/2 mi from Solemint on Hwy 6 Comment
  RSA420676  Mimulus cardinalis F. R. Fosberg 1930-7-3 S- 3117 Los Angeles El Monte. (Lexington Wash, San Gabriel River) 80 Comment
  RSA628631  Mimulus cardinalis Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: South fork Big Rock Creek, at Angeles Crest Highway. 2309 Comment
  UCR209600  Mimulus cardinalis R. G. Swinney 2008-7-2 9136 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  SFV9203  Mimulus fremontii S. Krause 1966-4-20 158 Los Angeles 150 feet off west side of road to Valyermo, 5.5 miles south of Highway 138. Comment
  POM7  Mimulus fremontii var. fremontii Will Crowley 1903-05 s.n. Los Angeles Collected near Pasadena Comment
  UC903757  Mimulus fremontii var. fremontii Dr. John S. Garth 1948-4-21 C 2679 Los Angeles Littlerock 762 Comment
  RSA0093472  Mimulus guttatus Richard G. Swinney 2011-6-7 15054 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy.2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  UCR192924  Mimulus guttatus Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, lower Brush Canyon, Los Angeles 200 Comment
  RSA527610  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4437 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA602442  Mimulus pilosus Scott D. White 1997-5-14 5122 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
  RSA681045  Mimulus pilosus Scott D. White 2003-6-2 9443 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR258719  Mimulus pilosus R. G. Swinney 2010-6-23 13341 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  RSA0092858  Mimulus puniceus Steven A. Junak 1997-3-28 SCa- 386 Los Angeles Santa Catalina Island: Avalon Canyon, along lower end of Hermit Gulch Trail, just uphill from creek crossing. 137 Comment
  RSA291708  Mimulus rubellus Wayen E. Sawyer 1981-6-11 s.n. Los Angeles Big Cienega at head of Big Rock Creek, San Gabriel Mountains, Angeles National Forest. Comment
  UC1930009  Minuartia douglasii V. Soza, LeRoy Gross 2002-4-3 1379 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  RSA748799  Minuartia nuttallii subsp. gracilis R. G. Swinney 2001-8-9 8012 Los Angeles east peak on Pleasant View Ridge 2504 Comment
  CAS-BOT-BC434628  Mirabilis laevis var. crassifolia Alice Eastwood 1913-5-11 3151 Los Angeles San Fernando Wash Comment
  UC284789  Mirabilis laevis var. crassifolia P. A. Munz 1923-4-9 6645 Los Angeles San Clemente Island Comment
  UC101193  Mirabilis laevis var. villosa T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  UC284647  Monardella australis subsp. cinerea I. Johnston 1917-7-4 1421 Los Angeles s slope Baldy 2590 Comment
  UCR143091  Monardella australis subsp. cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Transverse Ranges; San Gabriel Mtns., 'Little Baldy 2896 Comment
  UCR256604  Monardella breweri subsp. lanceolata Anuja Parikh, Nathan Gale 2011-7-6 3540 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 3.9 km west of Shortcut Station, 1.0 km north of State Hwy 2, Angeles Crest Hwy 1688 Comment
  RSA579455  Monardella lanceolata Tim S. Ross, Steve D. Boyd 1994-6-23 8032 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  UCR213970  Monolopia lanceolata Dave Silverman, Cindy Hopkins 2007-4-24 6734 Los Angeles Tejon Ranch, 1000 m ESE of National Cement, 1.7 km W of California Aqueduct, 500 m S of the county line, just N of plant access road 954 Comment
  UCR52425  Monolopia lanceolata David Charlton 1988-4-3 1715 Los Angeles Western Mojave Desert, W of Lancaster on Hwy 138. Quail Lake area between Gorman and Holiday Valley 1070 Comment
  SBBG125896  Morus alba A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36950 Los Angeles Baldwin Park, San Gabriel River channel S of Ramona Blvd and N of I-10 Fwy 87 Comment
  UC1870288  Morus alba LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 965 Los Angeles Transverse Ranges; Verdugo Mountains region; West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast o ... 549 Comment
  CATA766  Muhlenbergia microsperma Mark L. Hoefs 1991-5-28 1306 Los Angeles Santa Catalina Island: Near road from Black Jack to Middle Canyon [Cape Canyon Road] 469 Comment
  RSA739661  Muhlenbergia microsperma John Dittes 2006-6-4 1393 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Raod, 2.3 ir miles NW of chatsworth Highchool, 0.9 air mile W of Topanga Blvd, 0.8 air mile ENE of Santa Susana Pass 381 Comment
  RSA0087110  Muhlenbergia microsperma Steven A. Junak 2001-5-5 SCa- 1516 Los Angeles Santa Catalina Island. N side of Middle Ranch Canyon. 432 Comment
  SFV21112  Muhlenbergia rigens L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1108 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. South of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 457 Comment
  UC1131757  Muhlenbergia rigens Jerome S. Horton 1937-7-16 484 Los Angeles Tanbark Flats Pomona Quadrangle Comment
  UCSB428  Muhlenbergia rigens B., K. 1943-8-25 Los Angeles West Fork Road, San Dimas Canyon; San Dimas Experimental Forest, San Gabriel Mountains Comment
  RSA377599  Muilla maritima Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  UCR271666  Muilla maritima R. G. Swinney 2011-5-31 14932 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
  RSA612152  Myosurus minimus Steve Boyd, Kent Hughes 1998-5-5 10179 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1159 Comment
  UCR209996  Myriophyllum sibiricum R. G. Swinney 2008-10-16 9607 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  RSA604197  Najas marina L. C. Wheeler 1945-8-15 6090 Los Angeles El Monte: Lake Shangri-La. Comment
  RSA0013167  Nama californica Orlando Mistretta, Christine Mistretta 2011-6-6 5679 Los Angeles Vicinity of Palmdale. Approx. 100 meters SW of intersection of Elizabeth Lake Rd and Southern California Edison transmission line corridor, 2.32 miles E of Jct of Elizabeth Lake Rd. and Godde Hill Rd. 898 Comment
  RSA133838  Nassella cernua H. J. Thompson 1959-5-31 2065 Los Angeles 0.2 miles east of Tapia Park, on Piuma Road 183 Comment
  RSA713829  Nassella cernua A. C. Sanders 2003-7-15 27100 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks'. 335 Comment
  RSA728783  Nassella cernua Gary D. Wallace 1979-4-19 1685 b Los Angeles Mojave Desert, w. of Fairmont along Lancaster Rd. Comment
  RSA0107267  Nassella cernua Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 SCa- 548 Los Angeles Santa Catalina Island. Just N of road to Toyon Bay, 1.1 road miles from intersection with Airport Road. 317 Comment
  RSA574278  Nassella lepida Timothy S. Ross 1993-4-21 6864 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., 33'20'22N, 118'26'38W. 384 Comment
  RSA710512  Nassella lepida Valerie L. Soza, LeRoy Gross 2001-5-9 1192 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  SBBG32122  Nassella lepida R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -194 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  UC934042  Nassella lepida H. L. Cogswell 1951-6-8 119 Los Angeles s-facing slope on w side of canyon San Gabriel Mountains, Bell Canyon, Watershed 4 (Sec. F 7-8, Plot 5) 853 Comment
  SBBG98678  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5077 Los Angeles lower Wilson Cove Cyn; draw SW of and above pier operations 15 Comment
  CATA1689  Nasturtium officinale Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2984 Los Angeles Santa Catalina Island: Middle Ranch Reservoir 188 Comment
  CAS-BOT-BC109088  Nemacaulis denudata var. denudata Rev. J. C. Nevin 1882-1-1 s.n. Los Angeles Shores of Newport Bay. Comment
  RSA713256  Nemacladus glanduliferus var. orientalis LeRoy Gross 2005-5-3 2217 -b 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
  UCR272595  Nemacladus sigmoideus R. G. Swinney 2011-6-7 15028 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  RSA598370  Nemacladus sigmoideus L. C. Wheeler 1967-5-24 9737 1/2 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  SFV5408  Nemophila menziesii J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains Roadside along Route 2 (Angeles Crest Highway) about 5 miles north of La Canada. 793 Comment
  UC56413  Nemophila menziesii Ernest Braunton Mar 1903 836 Los Angeles Elysian Park Comment
  RSA48449  Nemophila menziesii G. R. Campbell 1949-3-16 12823 Los Angeles 3 miles north of Claremont Comment
  RSA608053  Nemophila menziesii Louis C. Wheeler 1931-2-7 s.n. Los Angeles Sargent's Grove. Comment
  UCR124610  Nemophila menziesii var. integrifolia I. W. Clokey, B. C. Templeton 1929-1 4454 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA674245  Nemophila menziesii var. menziesii LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 697 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 823 Comment
  RSA608019  Nicandra physalodes Louis C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. and San Diego Fwy, between Sepulveda and 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  LA34717  Nicotiana glauca Mary V. Hood; 1939-4-28 36- 3 Los Angeles San Gabriel Mountains, San Francisquito Canyon, near sign of National Forest 335 Comment
  RSA0057922  Nicotiana glauca Richard G. Swinney 2010-4-15 12219 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR232367  Nitrophila occidentalis Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8009 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, along east side of Sierra Highway, 230 m south of Avenue E 702 Comment
  JEPS11303  Nuttallanthus texanus Frank W. Peirson 1918-6-12 187 Los Angeles San Gabriel Mountains, Foothills e of Rubio Canyon Rubio Canyon; San Gabriel Mountains 609 Comment
  CAS-BOT-BC167054  Oenothera californica E. E. Morse 1940-5-19 s.n. Los Angeles [Mohave] Mojave Desert between Palmdale & Piute Butte Comment
  RSA125209  Oenothera californica subsp. californica P. A. Munz 1957-5-15 22578 Los Angeles 14 mi. E of Lancaster. Comment
  RSA589175  Oenothera californica subsp. californica Tim S. Ross 1991-4-27 4679 Los Angeles Mojave Desert: Black Butte Basin Road at intersection with Avenue 'U , NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters (buttes). 959 Comment
  RSA670382  Oenothera contorta Bonnie C. Templeton 1931-5-17 1217 Los Angeles W. of Lancaster, Mojave Desert. Comment
  UCR205201  Oenothera elata subsp. hirsutissima R. G. Swinney 2005-8-11 8454 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  SEINET10837691  Oenothera palmeri David B. Dunn 1947-4-16 Dunn 2945 Los Angeles 5 mi e and 2 mi s of palmdale; along power line. Comment
  SBBG69415  Opuntia basilaris var. brachyclada R. Hoffmann 1925-5-16 Los Angeles Mint Cyn Comment
  SEINET10732307  Opuntia basilaris var. brachyclada Joseph A. Ewan 1936-8-2 Ewan 9917 A Los Angeles Mescal Creek 1615 Comment
  RSA799970  Opuntia basilaris var. treleasei Pam De Vries 2013-5-26 7817 Los Angeles Tehachapi Mountains/Western Transverse Range (Groman Hills): About 3.5 air mi SE of the town of Gorman, 0.75 air mi NNE of the Quail Lake Road off ramp on the I5. Hills east of Gorman Creek, west of Gorman Post Road. 1070 Comment
  RSA678128  Opuntia littoralis Valerie L. Soza, LeRoy Gross 2001-5-22 1241 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, above Ferguson Motorway. 488 Comment
  UCR146419  Opuntia littoralis L. C. Wheeler 1967-7-6 9920 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  POM317694  Opuntia littoralis var. austrocalifornica David Walkington 1963-5-22 173 Los Angeles East side of Raymond Ave, just south of Skyline Dr., Fullerton. 107 Comment
  RSA0029607  Opuntia phaeacantha var. piercei F. R. Fosberg 1932-7-17 8610 Los Angeles Camp Baldy. Comment
  RSA459609  Opuntia vaseyi F. R. Fosberg 1930-10-5 S- 4103 Los Angeles San Fernando. Comment
  UCR80289  Orcuttia californica M. K. Bellue, W. E. Henson 1944-1 s.n. Los Angeles Old Municipal Airport, Rosecrans Ave. [near Western Ave. in Gardena] 16 Comment
  RSA458966  Oreonana vestita F. R. Fosberg 1931-8-12 792 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA628668  Oreonana vestita L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, north side Little Rock Creek at Cooper Canyon. 1768 Comment
  RSA660074  Orobanche californica subsp. feudgei Orlando Mistretta 1992-5-25 420 Los Angeles Fenner Canyon Conservation Camp. 1641 Comment
  CAS-BOT-BC502898  Orobanche fasciculata Tim Ross; Steve Boyd 1993-5-23 7222 Los Angeles Liebre Mountains: Lower, esterly ridge of Red Mtn, on northerly slope 140--220 m SE of the saddle between Ruby and Clearwater Canyons 963 Comment
  RSA0066498  Orobanche parishii subsp. parishii Ivan M. Johnston 1917-7-1 1431 Los Angeles Evey Canyon. 838 Comment
  RSA0059244  Orobanche uniflora subsp. occidentalis Donald R. Bissing 1973-5-18 89 Los Angeles Evey Canyon, San Gabriel Mountains. 0.6 miles from mouth of canyon. 756 Comment
  CAS-BOT-BC243694  Orobanche valida W. P. Arkstrong 1979-8-15 s.n. Los Angeles SE firebreak ridge of Lookout Mtn., W side of ridge 1798 Comment
  JEPS79818  Orobanche valida subsp. valida W. P. Armstrong 1979-7-12 Los Angeles ca. 2.4 km. s.w. S. Fork Campground (trail up S. Fork Big Rock Creek); S. Fork Big Rock Creek 1707 Comment
  SEINET10549693  Orthocarpus linearilobus David B. Dunn 1941-3-22 Dunn 899 Los Angeles Three mi n from clear creek service station, n side of tehachepis oak covered Hills. Comment
  CAS-BOT-BC355764  Osmadenia tenella J. Ewan 1929-6-21 3643 Los Angeles Verdugo Canyon, south end 548 Comment
  JEPS2995  Osmorhiza brachypoda Frank W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco San Gabriel Mountains 609 Comment
  POM67102  Osmorhiza brachypoda Marcus E. Jones 1924-05 s.n. Los Angeles Stoddard Canon Comment
  SEINET10666036  Osmunda regalis Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2543 Los Angeles City of Los Angeles. Little Tokyo. Enbun Market, 124 Japanese Village Plaza. Comment
  POM353416  Oxalis albicans subsp. californica Richard C. Barkelew 1929-2-23 s.n. Los Angeles Cahuenga Pass. Comment
  UCR143416  Oxalis californica F. R. Fosberg 1931-4-13 S- 4586 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, right fork 290 Comment
  POM86705  Oxalis corniculata George B. Grant 1906-1-10 s.n. Los Angeles Pasadena. Comment
  UCR219450  Oxalis pes-caprae R. G. Swinney 2009-3-28 10183 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  RSA450807  Oxalis rubra A. C. Sanders 1987-12-4 7443 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. 30 Comment
  UCR192831  Oxytheca parishii R. G. Swinney 1998-7-6 6287 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  UC1929646  Oxytheca trilobata Valerie Soza, Sarah J. De Groot 2003-6-18 1694 Los Angeles Transverse Ranges; San Gabriel Mountains; Mount Hillyer Trail from Horse Flats Campground 1829 Comment
  CAS-BOT-BC316962  Packera ionophylla Anstruther Davidson 1893-7-1 s.n. Los Angeles Rock Creek, San Bernardino Range. Comment
  RSA332898  Packera ionophylla Wayne E. Sawyer 1981-6-18 57 Los Angeles Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 2.75 miles from Dawson Saddle 2255 Comment
  UCR271536  Paeonia californica R. G. Swinney 2011-3-18 14172 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR95531  Paeonia californica Steve Boyd 1996-4-25 8678 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienega Canyon, south of Liebre Mtn 951 Comment
  RSA434254  Paeonia californica E. Crow 1929-2-10 151 Los Angeles Glendora Foothills Comment
  RSA713803  Panicum capillare Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1361 Los Angeles Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  RSA717858  Papaver californicum R. G. Swinney 1997-5-13 5516 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  SEINET10891655  Papaver somniferum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2585 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  RSA3565  Parapholis incurva C. B. Wolf 1932-5-12 3577 Los Angeles Santa Catalina Island. Borders of Catalina Harbor. 3 Comment
  SBBG20501  Parietaria hespera var. californica E. R. Blakley 1963-12-7 6336 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 53 Comment
  SBBG13629  Parietaria hespera var. californica P. H. Raven 1962-4-12 17309 Los Angeles near Tomb Comment
  UC398764  Parietaria hespera var. hespera Katharine Brandegee 1916-1 Los Angeles Santa Catalina Island Comment
  RSA722933  Parthenocissus vitacea R. E. Riefner 2007-5-27 7 -219 Los Angeles Near El Monte, vicinity of Whittier Narrows Nature Center, floodplain of San Gabriel River at Peck St. (NAD 83) 69 Comment
  UCR199955  Pectocarya anisocarpa Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1168 Los Angeles Transverse Ranges: Verdugo Mountains, ridgetop above McDonald Creek 579 Comment
  UCR220199  Pectocarya anisocarpa R. G. Swinney 2009-4-2 10246 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR205233  Pectocarya linearis R. G. Swinney 2008-3-26 8565 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  SBBG17963  Pectocarya linearis subsp. ferocula E. R. Blakley 1963-4-7 5530 Los Angeles viewpoint E of Wrigley Reservoir Comment
  CDA40694  Pectocarya linearis subsp. ferocula L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns.; Mill Canyon off Soledad Canyon. Comment
  RSA526578  Pectocarya linearis subsp. ferocula Tim Ross 1991-3-24 4312 Los Angeles Whittier Hills. 311 Comment
  UCR274889  Pectocarya penicillata Michael Honer, Rachel Woodard 2006-4-11 2178 Los Angeles Tehachapi Mountains area, Grazed hills c. 3.5 miles ENE of Quail Lake 976 Comment
  SEINET7047895  Pectocarya penicillata Steven R. Hill, Kate Kramer 2001-4-22 33343 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  RSA628881  Pectocarya setosa L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCD120193  Pectocarya setosa A. C. Sanders; D. Malueg 1998-6-22 22048 Los Angeles San Gabriel Mtns. Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  LA32241  Pedicularis densiflora Henry J. Thompson; 1959-3-31 1010 Los Angeles Santa Monica Mountains, Lobo Canyon, 0.7 mi from Triunfo Canyon, 2 mi W of Cornell 243 Comment
  CATA2232  Pelargonium peltatum Sara L. Crockett 1997-3-25 98 Los Angeles Santa Catalina Island: 323 Whittley Avenue 76 Comment
  SEINET4556461 Image available Pellaea andromedifolia George B. Grant May 1902 918 Los Angeles South West California Comment
  UCR181108  Pellaea mucronata R. G. Swinney 1997-4-25 5513 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  RSA599822  Pellaea mucronata var. mucronata Steve Boyd, Lauren Raz 1997-3-31 9399 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA686913  Pellaea mucronata var. mucronata Anonymous s.n. Los Angeles Pasadena, Calif. Comment
  SFV67  Pellaea mucronata var. mucronata J. H. Wood 1958-4-19 s. n. Los Angeles Santa Susana Mountains 5 miles north of Chatsworth on Route 118 on north side of pass. 489 Comment
  CATA1414  Pennisetum clandestinum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1995-11-11 2568 Los Angeles Santa Catalina Island: Lower Descanso Canyon, just above Descanso Beach 6 Comment
  UCR101245  Pennisetum clandestinum L. C. Wheeler 1966-10-25 9086 Los Angeles San Gabriel Mtns, E[dwin]Waldo Ward's grove, 0.25 mi. north of El Encanto, San Gabriel Canyon 244 Comment
  OBI26232  Penstemon centranthifolius Mark E. Schneider 1973-5-3 27 Los Angeles 1/4 mi W of topanga cyn blvd, Santa Monica Mts 396 Comment
  RSA17076  Penstemon centranthifolius Carl B. Wolf 1936-5-27 7836 Los Angeles Indian Canyon Camp, 2 mi off Soledad Canyon 915 Comment
  RSA412456  Penstemon centranthifolius A. Menke 1955-4-23 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA724651  Penstemon centranthifolius K. Dobry 1991-5-13 493 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  POM305726  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1937-6-27 928 Los Angeles Liebre Mts., Sandberg, Angeles National Forest. Comment
  RSA230062  Penstemon centranthifolius Robert F. Thorne 1971-6-26 40595 Los Angeles San Gabriel Mountians, Angeles National Forest: on summit of Mt. Wilson 1738 Comment
  RSA0011380  Penstemon grinnellii var. grinnellii Orlando Mistretta, Christine Mistretta 2011-7-13 5944 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
  RSA670700  Penstemon heterophyllus Bonnie C. Templeton 1947-5-21 6285 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  NY601612  Penstemon heterophyllus var. australis F. W. Pennell 1940-4-18 25139 Los Angeles Route 99, mountain slope east of Frenchman's Flat 731.5 Comment
  RSA408094  Penstemon heterophyllus var. australis Albert J. Perkins 1914-5-10 s.n. Los Angeles Mt. Lowe. Comment
  RSA618711  Penstemon heterophyllus var. heterophyllus Scott D. White, Sandra Leatherman 1998-6-4 6630 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I-5 Freeway / Old Ridge Route and lake. Proposed North Lake Planned Community., [range:] 34 31-33'N 118 37-39'W. 427 Comment
  UCR146453  Penstemon labrosus Orlando Mistretta 1993-6-28 906 Los Angeles San Gabriel Mountains, Angeles National Forest. Table Mountain; Sunrise ski area 2226 Comment
  RSA233416  Penstemon labrosus Robert F. Thorne, M. Z. Thorne 1969-7-9 38591 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines. 2088 Comment
  UC1587740  Penstemon rostriflorus Tim Ross 1991-8-14 5764 Los Angeles Roundtop Mtn. San Gabriel Mountains, , Chilao Flat quad 1828 Comment
  RSA285597  Penstemon rostriflorus D. C. Michener 1981-7-27 4023 Los Angeles San Gabriel Mountains. Blue Ridge ca. 2.0 miles east of junction with CA 2 on Blue Ridge road. Comment
  SBBG55010  Penstemon spectabilis C. Vadhelm 1970-4-10 5 Los Angeles directly E of Pitzer College, Claremont 304 Comment
  RSA0060340  Pentagramma triangularis L. C. Wheeler 1931-4-8 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon. Comment
  RSA0070783  Pentagramma triangularis P. H. Raven 1962-4-10 17221 Los Angeles San Clemente Island: Summit ridge about 2 miles north of Thirst. 487 Comment
  SEINET12601778 Image available Pentagramma triangularis Unknown 1929-4-14 Los Angeles Catalina Isle Comment
  SBBG98515  Perityle emoryi T. Ross 1991-5-23 5486 Los Angeles lower Tota Cyn, E escarpment 44 Comment
  UCSB7389  Perityle emoryi Haller, Norman 1953-3-21 Los Angeles Point Dume Comment
  CAS-BOT-BC418872  Persicaria hydropiperoides Le Roy Abrams 1901-8-1 2187 Los Angeles Ballona Creek Comment
  UC1121711  Petalonyx thurberi subsp. thurberi P. L. Johannsen 1934-2-23 303 Los Angeles Mouth Dry & Boquet Canyons Santa Susana Quad., Mouth Dry & Boquet Canyons Comment
  UCR264069  Phacelia bicolor John F. Green 2008-3-26 308- 09 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  UCR162292  Phacelia brachyloba Anuja Parikh, Nathan Gale 2004-6-2 2033 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
  RSA427575  Phacelia brachyloba Robin S. Collins 1973-5-28 313 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon 762 Comment
  UC697627  Phacelia brachyloba Kay H. Beach 1942-9-28 1630 Los Angeles Tanbark Flat San Gabriel Mountains, San Dimas Experimental Forest 822 Comment
  SBBG65335  Phacelia californica V. Duran 1933-7-25 3533 Los Angeles Buckhorn 1981 Comment
  LA38560  Phacelia cicutaria var. hispida W. O. Griesel; May 1938 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  UCR205082  Phacelia cicutaria var. hispida R. G. Swinney 2008-4-10 8629 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR273193  Phacelia cicutaria var. hispida R. G. Swinney 2011-4-26 14477 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
  UCR281707  Phacelia cicutaria var. hispida B. C. Templeton 1939-4-26 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Huntington Palisades [neighborhood in Pacific Palisades] Comment
  SBBG71496  Phacelia cryptantha L. Gross 2005-4-28 2153 Los Angeles ridgeline to Mt Emma and cyn S of this ridge; W from Mt Emma (NW trending ridge, lower part of ridgeline starts to turn SW), E of Mt Emma Rd 1235 Comment
  UC107360  Phacelia davidsonii A. J. McClatchie 1896-5-25 Los Angeles Wilson's Peak Comment
  RSA587756  Phacelia distans Tim S. Ross 1991-4-27 4621 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA653777  Phacelia distans J. Bogdanoff-Lord 1989-5-5 4 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  RSA602197  Phacelia distans R. S. Woglum 1930-4-28 s.n. Los Angeles Glendora Comment
  RSA428013  Phacelia egena Kenneth A. Wilson 1962-5-12 1277 Los Angeles Canyon with the public campgrounds leading to Devil's Punchbowl Park Comment
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Apr 5 2016
  UC1426017  Phacelia fremontii E. K. Balls and N. N. Balls 1966-3-17 12121 Los Angeles along Hwy 138 2.3 mi w Llano (Palmdale to the Cajon Pass) Comment
  RSA427969  Phacelia grandiflora Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 200 Comment
  SEINET3860279  Phacelia grandiflora R. G. Swinney 2009-4-21 10415 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.; 0 192 Comment
  UC311500  Phacelia grandiflora Philip A. Munz 1925-4-23 9408 Los Angeles San Gabriel Canyon 304 Comment
  SD72727  Phacelia hispida F. R. Fosberg 1931-3-23 S 4336 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 24 Comment
  UCR280640  Phacelia hubbyi Mike Misenhelter 2017-4-18 s.n. Los Angeles Los Angeles Basin; Puente Hills, edge of Rose Hills Cemetery, off Workman Mill Rd. near Puente Hills Landfill and Rio Hondo College 274 Comment
  RSA702492  Phacelia imbricata Scott D. White 2004-5-5 10308 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA191139  Phacelia imbricata subsp. imbricata Robert F. Thorne 1967-6-25 37108 Los Angeles San Gabriel Mountains; upper Evey Canyon. 823 Comment
  RSA733387  Phacelia imbricata subsp. patula R. G. Swinney 2001-6-16 7986 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
  SD58492  Phacelia imbricata var. imbricata L. R. Heckard 1956-6-30 776 Los Angeles Foothills of San Gabriel Mountains, near Padua Hills, northeast of Claremont. Comment
  UCR193475  Phacelia longipes Dan S. Cooper 2008-3-20 s.n. Los Angeles Los Angeles Basin, upslope of Ganymede Dr., east of Division St., Mt. Washington, Los Angeles 194 Comment
  CDA40404  Phacelia longipes T. C. Fuller 1980-6-12 20281 Los Angeles San Gabriel Mountains; Angeles Crest Highway, Hwy 2, 1.3 km west of road to Mt. Wilson. Comment
  POM3756  Phacelia minor P. A. Munz 1918-3-28 2002 Los Angeles Small canyon: 3 mi. N of Claremont, near Palmer s Canyon Comment
  RSA0120160  Phacelia minor R. G. Swinney 2014-5-27 16666 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA428059  Phacelia minor T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA732933  Phacelia minor R. G. Swinney 1998-8-1 6614 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River. 1427 Comment
  SD113341  Phacelia minor Darley F. Howe April 1915 33 Los Angeles Claremont Comment
  CAS-BOT-BC154276  Phacelia ramosissima Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel river Comment
  LA38549  Phacelia tanacetifolia Carl Epling; 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA428241  Phacelia viscida Louis C. Wheeler 1932-3-20 512 Los Angeles Head of Mandeville Canyon, Santa Monica Mts 488 Comment
  CAS-BOT-BC258854  Phalaris aquatica David B. Weissman 1971-6-15 30 Los Angeles Santa Catalina Island. 1.7 miles west of Cactus Peak along the road 304 Comment
  RSA459250  Pholistoma auritum L. E. Hoffman 1929-5-5 s.n. Los Angeles Hermon Hills, Ave-57. Pasadena. Comment
  UC1584874  Pholistoma auritum Tim Ross 1991-4-8 4458 Los Angeles western Pomona (Elephant Hill); San Dimas U.S.G.S. 7.5' Quad., , Elephant Hill 228 Comment
  UCR144757  Pholistoma auritum Scott D. White 2003-5-20 9318 Los Angeles Northern Chino Hills, Diamond Bar.; hills and canyons within gated community called 'The Country,' east of Diamond Bar Blvd. Steep unnamed canyons draining southward into Tonner Canyon 335 Comment
  UCR19576  Pholistoma auritum Martha Hilend 1928-4-18 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Los Angeles Comment
  RSA177777  Pholistoma racemosum Robert F. Thorne, P. C. Everett 1965-5-10 34490 Los Angeles Upper end of Gallagher Canyon; Santa Catalina Island 412 Comment
  UC729595  Pholistoma racemosum Carl B. Wolf 1932-5-9 3495 Los Angeles about due w. Pebbly Beach (along rd. to Renton Mine); Santa Catalina Isl. 304 Comment
  CAS-BOT-BC141152  Phoradendron serotinum subsp. macrophyllum Louis C. Wheeler 1931-12-15 395 Los Angeles Thompson Creek Dam 495 Comment
  CAS-BOT-BC141297  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8130 Los Angeles Liebre Mountain: vicinity of West Summit (construed knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  POM354337  Phoradendron villosum Albert J. Perkins 1913-1-25 s.n. Los Angeles Mount Wilson, Sierra Madre. Comment
  UCR149510  Phoradendron villosum R. G. Swinney 1997-7-14 5677 Los Angeles San Gabriel Mtns., west of Wrightwood, Table Mtn. area, c. 100 m NW of amphitheater and Table Mtn. Campground 2207 Comment
  UCR206161  Phoradendron villosum R. G. Swinney 2008-6-4 8932 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  UCR138712  Physalis philadelphica L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mtns, Mountain Brook Ranch 1159 Comment
  UCR205740  Physalis philadelphica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36988 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  POM229705  Physalis philadelphica J. D. Laudermilk 1937-10-13 s.n. Los Angeles Baseline Rd. ad Forbes Ave., N. of Claremont. Comment
  SFV21458  Pickeringia montana var. montana L. Gross 2001-5-28 411 Los Angeles Verdugo Mountains Northeast side of mountains. Start from dead end street (Mesa Lila Road) in Verdugo City. Along ridge between Henderson and Engleheard Canyons. 549 Comment
  RSA598925  Picris echioides Scott D. White 1997-3-12 4745 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  SFV6848  Pinus flexilis T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 586 Los Angeles San Gabriel Mountains Just below Mount Baden-Powell on north facing ridge. 2774 Comment
  SD252215  Pinus halepensis Steven A. Junak 2000-10-14 Sca 1418 Los Angeles Santa Catalina Island: W flank of Black Jack Peak, above road to summit of peak, overlooking Black Jack Bampground. 527 Comment
  RSA169040  Pinus jeffreyi Mark Parratt 1964-2-6 602 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  RSA250382  Pinus jeffreyi Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42243 Los Angeles Angeles National Forest; just east along trail from peak of Mount Islip 2439 Comment
  CAS-BOT-BC78749  Pinus lambertiana A. J. McClatchie s.n. Los Angeles Wilson Peak, San Gabriel Mts. Comment
  RSA0073294  Pinus lambertiana Bonnie C. Templeton 1932-5-31 4863 Los Angeles Between Big Pines Camp and Jackson Lake, San Gabriel Mts. 1829 Comment
  RSA0098832  Pinus monophylla R. G. Swinney 2011-4-20 14452 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1220 Comment
  RSA613159  Pinus monophylla L. C. Wheeler 1932-2-22 1477 Los Angeles In arid canyon, Little Rock Creek, San Gabriel Mts. 1067 Comment
  RSA169007  Pinus ponderosa Mark Parratt 1964-4-8 622 Los Angeles Charlton Flats Recreation Area, Angeles Crest Highway 1646 Comment
  RSA382798  Piperia michaelii George Henry Grinnell 1929-5-29 s.n. Los Angeles Glendale. Comment
  CAS-BOT-BC350982  Piptatherum miliaceum Duncan S. Bell; Caitlin Elam; Evan Meyer 2013-6-13 5083 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the SW flanks of Mount San Antonio. 898 Comment
  CDA2303  Piptatherum miliaceum T. S. Ross, Annette Ross 1991-7-29 5708 Los Angeles Peninsular Ranges: Chino-Puente Hills region; Elephant Hill: N-most point of the Puente Hills, W Pomona; T1S R9W, W2/3 S/2 sect 26 (projected from sect 35) on San Dimas USGS 7.5' quad; ca 750-1165ft Elev. 790 ft. Comment
  RSA585251  Piptatherum miliaceum L. C. Wheeler 1933-9-10 2104 Los Angeles San Gabriel Mountains, Santa Anita Canyon 534 Comment
  UCR132941  Piptatherum miliaceum Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  IRVC26320  Plagiobothrys arizonicus A. C. Sanders, Andy Thompson 2003-4-15 26003 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence NE end of Santa Susana Mtns. 366 Comment
  RSA595331  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9340 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  SEINET3152899  Plagiobothrys arizonicus var. catalinensis G. B. Grant, W. Wheeler 1904-4-21 996 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California. Comment
  UCR47707  Plagiobothrys canescens F. R. Fosberg 1928-4-11 S- 00200 Los Angeles Puente Hills, San Dimas 290 Comment
  CATA874  Plagiobothrys canescens Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1683 Los Angeles Santa Catalina Island: Upper Gallagher's Canyon, just below Bow Camp 390 Comment
  UCR177278  Plagiobothrys nothofulvus Scott D. White, Michael Honer 2003-5-7 9203 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  CATA1747  Plantago coronopus Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 2001-5-18 3175 Los Angeles Santa Catalina Island: Near road between Cottonwood Canyon and Black Jack Campground 225 Comment
  CATA492  Plantago coronopus Sara L. Crockett 1997-4-1 634 Los Angeles Santa Catalina Island: 0.5 mile SE of Rancho Escondido on Two Harbors Road, W side of road; low ridge adjacent to road about 50 m upslope from road 286 Comment
  CATA1605  Plantago erecta Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2874 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  UC76646  Plantago erecta unknown May 1903 Los Angeles Los Angeles Comment
  OBI2691  Plantago erecta E. Ryel 1967-4-8 14 Los Angeles Glendora Mt rd 3 mi N of Sierra Madre 457 Comment
  RSA190994  Plantago erecta Robert F. Thorne, D. Propst, R. Carolin, R. C. Rollins 1967-3-18 36728 Los Angeles Catalina Island. Salta Verde, appox. N of Salta Verde Point 244 Comment
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May 17 2014
  RSA523586  Plantago erecta W. L. Jepson 1939-4-14 19103 Los Angeles Russell Valley. Comment
  RSA0021520  Plantago major Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5150 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR132311  Plantago major 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
  UCR91303  Plantago major B. G. Pitzer, Paul Gomez 1996-4-28 2800 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  UCR274100  Plantago ovata Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 627 Los Angeles California Islands, Santa Catalina Island, just south of road to East Peak, along ridgetop southwest of Peak 1245, c. 0.85 air miles northwest of East Peak 348 Comment
  RSA607908  Platanus racemosa Louis C. Wheeler 1961-6-13 7881 Los Angeles Pacoima Canyon near Dutch Louie Camp. 716 Comment
  UCR205943  Platanus racemosa A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37070 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UC1348898  Pleiacanthus spinosus Robert F. Thorne and John Olmsted 1965-8-26 35371 Los Angeles ca 0.5 mi beyond junction Angeles Crest Hwy. (Blue Ridge); San Gabriel Mts., Angeles National Forest, Blue Ridge 2255 Comment
  UC1070064  Pluchea sericea A. D. Gifford 1935-5-8 681 Los Angeles junction of Castaic and Elizabeth Lake Canyon; Tejon Quad. 396 Comment
  RSA599096  Poa annua V. W. Steinmann 1996-5-6 856 Los Angeles Pomona, north of Route 10 at 1171 E. LaVerne Ave. (between Mountain Ave. and San Antonio Ave.) 300 Comment
  SBBG125454  Poa pratensis subsp. pratensis A. Parikh, N. Gale 2010-6-17 3322 Los Angeles upper Big Tujunga Cyn, 0.2 km N of St Hwy 2, 0.4 km NE of intersection of St Hwy 2 and upper Big Tujunga Cyn Rd, San Gabriel Mtns 1360 Comment
  RSA725928  Poa secunda R. G. Swinney 1996-5-27 4742 Los Angeles Eastern San Gabriel Mtns.: east of Table Mtn. and NW of Wright Ridge., MJ-3E, ON 2252 Comment
  UCR143122  Poa secunda F. R. Fosberg 1931-3-24 S- 4343 Los Angeles Channel Islands, Hamilton's Canyon near Avalon, Santa Catalina Island 80 Comment
  UCR270818  Poa secunda R. G. Swinney 2011-5-24 14804 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA632446  Poa secunda subsp. secunda L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast Vincent 708 Comment
  UC76987  Poa secunda subsp. secunda J. Burtt Davy May 9 1896-May 24 1896 2537 Los Angeles Manzana; Antelope Valley Comment
  RSA250653  Poa secunda var. secunda R. F. Thorne 1971-4-2 41418 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont 549 Comment
  UC284124  Polycarpon depressum P. A. Munz 1923-3-14 6594 Los Angeles 2 mi n Claremont 426 Comment
  UC2026469  Polycarpon depressum Louis C. Wheeler 1962-4-24 8049 Los Angeles FOOTHILLS OF SAN GABRIEL MOUNTAINS: Between Chantry Trail and La Vina Sanitarium, ridge south side of West Ravine. Comment
  JEPS51379  Polycarpon tetraphyllum Frank W. Peirson 1931-5-25 9376 Los Angeles Altadena; 1077 New York Avenue. Comment
  SD125916  Polycarpon tetraphyllum A. C. Sanders 1988-5-18 7828 Los Angeles El Segundo Dunes, west of Los Angeles International Airport and east of Vista Del Mar Blvd. Comment
  RSA258408  Polycarpon tetraphyllum C. W. Tilforth 1972-4-14 484 Los Angeles Common in drier, sandy areas of garden. Comment
  UC1063662  Polygonum Jerome S. Horton 1936-4-2 268 Los Angeles San Dimas Canyon, Flume 4 San Dimas Canyon; Pomona Quadrangle, San Dimas Experimental Forest, San Dimas Comment
  CAS-BOT-BC413997  Polygonum aviculare subsp. aviculare C. W. Tilforth 1968-4-17 141 b Los Angeles LASCA Comment
  POM2365  Polygonum aviculare subsp. aviculare D. L. Crawford 1915-7-5 s.n. Los Angeles Claremont. Comment
  RSA158221  Polygonum aviculare subsp. aviculare Peter H. Raven 1962-7-11 17996 Los Angeles Upper end of first canyon south of Lemon Tank, San Clemente Island. 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
  LA94055  Polypodium californicum Lawrence L. Kiefer; 1966-3-6 1646 Los Angeles SANTA MONICA MOUNTAINS, San Nicholas Canyon, ca 0.75 mi from canyon mouth. 152 Comment
  POM310153  Polypodium californicum Hulda Crooks 1946-3-11 232 Los Angeles Big Dalton Canyon. 366 Comment
  RSA724617  Polypodium californicum K. Dobry 1991-4-22 439 Los Angeles San Gabriel Mts. at Elsmere Cyn Comment
  RSA689877  Polypodium californicum Anonymous s.n. Los Angeles Santa Monica Mountains Comment
  UCSB62517  Polypodium californicum Kiefer, Lawrence 1966-3-27 Los Angeles Santa Monica Mtns., Temescal Cyn., ca. 3 mi fron Sunset Blvd. in the canyon. 274 Comment
  LA105531  Polypogon interruptus Barry A. Prigge; 1989-5-13 8756 Los Angeles Santa Susana Mountains, Devil Canyon, 1.5 mi. NW of junction of Simi Valley and Topanga Blvd., N of Chatsworth 435 Comment
  RSA600541  Polypogon interruptus Steve Boyd, Lauren Raz 1997-5-28 9860 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UCR219901  Polypogon monspeliensis R. G. Swinney 2009-4-17 10392 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  CAS-BOT-BC237505  Polypogon viridis Le Roy Abrams 1901-7-1 1868 Los Angeles West Fork of San Gabriel River Comment
  CAS-BOT-BC72279  Polystichum imbricans subsp. curtum Jon Nickoloff 1973-3-1 730301 -10 Los Angeles 60' north of Mt. Wilson Trail on NE face, San Gabriel Mtns. 1036 Comment
  RSA628629  Polystichum scopulinum L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2103 Comment
  RSA659923  Populus balsamifera subsp. trichocarpa Orlando Mistretta 1992-8-17 s.n. Los Angeles Haines Canyon Trail, Tujunga Ranger District. Comment
  CAS-BOT-BC102544  Populus fremontii Joseph Andorfer Ewan 1937-8-23 11056 Los Angeles Tujunga Creek near mouth of canyon, San Gabriel Mts. Comment
  UCR193941  Populus fremontii A. C. Sanders 2008-7-10 35720 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
  UCR116282  Porophyllum gracile B. G. Pitzer 1998-5-23 3719 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto, and 12.8 mi (airline) west of the San Bernardino County line. 240th Street East, c. 3.1 road mi. north of junction with El Mirage Road (= Avenue 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Avenue 'J 866 Comment
  RSA752288  Portulaca oleracea Justin M. Wood 2009-7-25 1162 Los Angeles Private residence on Ramona Ave, just SE of intersection of Arrow Highway and Mills Ave. 351 Comment
  CAS-BOT-BC452112  Potamogeton crispus A. J. McClatchie 1896-1-20 s.n. Los Angeles Arroyo Seco Comment
  UCR150883  Potentilla glandulosa Valerie Soza, LeRoy Gross 1999-7-15 623 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt Wilson Trail, N of junction with Upper Winter Creek Trail. SE side of Mt Harvard 1341 Comment
  CAS-BOT-BC143343  Potentilla multijuga Dr. H. E. Hasse 1890-8-1 s.n. Los Angeles Flats near Ballona Comment
  CAS-BOT-BC206974  Prosopis glandulosa var. torreyana A. D. E. Elmer 1902-6-1 3726 Los Angeles Lancaster, 15 miles east Comment
  UC12760  Prunus fasciculata J. Burtt Davy May 9 1896-May 24 1896 2479 Los Angeles back of Manjana (Antelope Valley); Antelope Valley Comment
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Apr 10 2012
  CAS-BOT-BC154931  Prunus ilicifolia Carl B. Wolf 1935-9-18 7569 Los Angeles 1 mi. E. of Newhall. Placerita Canyon. Along Placerita Creek 396 Comment
  RSA12024  Prunus ilicifolia Fay A. MacFadden 1929-6-6 1071 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA569956  Prunus ilicifolia Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4869 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA549156  Prunus ilicifolia subsp. ilicifolia Tim S. Ross, Peter Fritsch 1990-6-20 3668 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA584218  Prunus ilicifolia subsp. ilicifolia Tim S. Ross, Orlando Mistretta 1993-5-27 7331 Los Angeles W end of San Gabriel Mountains: Ridge dropping westward from Loop Canyon Road (at 3060 ft.) toward Wilson Canyon. 625 Comment
  RSA596228  Prunus ilicifolia subsp. ilicifolia Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3392 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  CHSC110021  Prunus ilicifolia subsp. lyonii Mark Elvin; Michael Wall, Jennifer Stone 1996-8-7 308 Los Angeles Channel Islands; San Clemente Island: Conchulagua Canyon. In canyon floor. Comment
  RSA86867  Prunus lyonii F. W. Peirson 1907-7-1 699 Los Angeles Catalina Island. 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
  RSA3486  Pseudognaphalium biolettii C. B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  SBBG17760  Pseudognaphalium biolettii P. H. Raven 1962-4-10 17251 Los Angeles ca. 2 mi N of Thirst 518 Comment
  UC450955  Pseudognaphalium biolettii F. A. MacF. 1931-4-1 2966 Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon Comment
  UCR71326  Pseudognaphalium biolettii Steve Boyd, T. Ross, L. Arnseth 1990-4-8 4432 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  LA209936  Pseudognaphalium biolettii Robert G. Engman; sn Los Angeles SANTA MONICA MOUNTAINS, UCLA campus. 121 Comment
  POM187690  Pseudognaphalium biolettii N. Dunn, J. Ewan 1931-12-6 5560 Los Angeles Stone Canyon, road around Lake, Santa Monica Mts. Comment
  RSA226221  Pseudognaphalium biolettii Gary D. Cromwell, David W. Wheat 1971-5-14 655 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mts. 2 mi. NE of Glendora. 549 Comment
  SBBG25542  Pseudognaphalium biolettii D. E. Emery 1947-4-5 Los Angeles Griffith Park Comment
  CAS-BOT-BC356708  Pseudognaphalium californicum Alice Eastwood 1917-7-20 6507 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC357636  Pseudognaphalium stramineum Alice Eastwood 1919-5-29 8979 Los Angeles San Gabriel Canyon Comment
  RSA0045431  Pseudognaphalium stramineum Wendy Boes, Andrew S. Wheeler 2009-7-13 2009 -038 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  RSA658373  Pseudotsuga macrocarpa Naomi Zohman 1985-4-28 19 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA600108  Psilocarphus tenellus L. C. Wheeler 1948-4-26 6637 Los Angeles Pasadena, Oak Grove Park. 305 Comment
  UCD135323  Psilocarphus tenellus M. Vincent 1965-5-27 658 Los Angeles Santa Monica Mountains. Mulholland Highway. 2 miles west of Las Virgines Road. Comment
  UCR61048  Psoralea macrostachya R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. Morgan Canyon, near spring west of Morgan Canyon debris basin 366 Comment
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Oct 4 2020
  LA94229  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-27 1810 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  RSA690867  Pteridium aquilinum var. pubescens E. S. Spalding 1922-11-20 s.n. Los Angeles Near Glendale Comment
  UCR247416  Pteris vittata Joseph Cahill 2011-2-5 s.n. Los Angeles San Gabriel Mountains, Rubio Canyon, c. 0.8 mi. NW of trailhead at Rubio Vista Rd. 664 Comment
  UCR204862  Pterostegia drymarioides R. G. Swinney 2006-6-18 8539 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  CAS-BOT-BC158664  Purshia tridentata var. glandulosa Timothy S. Ross; Steve Boyd 1990-5-29 2683 Los Angeles SE edge of Balyermo, along NE side of Valyermo Rd. from ca 3730-3750, then S of the road - San Gabriel Mountains 1149 Comment
  UC570167  Purshia tridentata var. glandulosa H. S. Yates 1936-4-6 5405 Los Angeles near Valyermo; Rock Creek Quad. 1371 Comment
  RSA499260  Purshia tridentata var. glandulosa G. R. Johnstone 1930-3-30 s.n. Los Angeles 3 1/2 miles from Llano. Mojave Desert. Comment
  UCR211800  Pyracantha crenatoserrata Valerie Soza, Monica Acosta 2001-6-28 1306 Los Angeles Transverse Ranges; San Gabriel Mountains, mouth of El Prieto Canyon, along FS Road 2N66, lower El Prieto trailhead 396 Comment
  RSA0080551  Pyrola dentata R. F. Thorne 1968-11-9 37867 Los Angeles Talus slope above trail up S slope of Mt. Williamson. 2134 Comment
  RSA0115451  Quercus agrifolia R. G. Swinney 2010-10-5 13975 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  UC472131  Quercus berberidifolia J. Ewan 1931-10-24 5259 b Los Angeles Santa Monica Mts. Comment
  CAS-BOT-BC62568  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1995-5-8 8537 Los Angeles Bouquet canyon: along Bouquet Canyon Road near Bouquet Campground No. 3 743 Comment
  CAS-BOT-BC62571  Quercus chrysolepis Timothy S. Ross 1990-8-17 3157 Los Angeles San Gabriel Mountains: Icy Springs in upper Big Rock Creek, Valyermo 7.5' USGS Quadrangle 1764 Comment
  CAS-BOT-BC62575  Quercus chrysolepis F. Grimmell 1903-12-30 90 Los Angeles Mount Wilson Trail, near Pasadena Comment
  RSA747373  Quercus chrysolepis R. G. Swinney 2008-6-10 8996 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  SFV16176  Quercus chrysolepis P. A. Krueger 1994-5-14 23 Los Angeles San Gabriel Mountains 2 miles west on 2N23 from Newcomb's Saddle._x000B_ 900 Comment
  UCR272528  Quercus chrysolepis R. G. Swinney 2011-9-22 15684 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
  UCSB50568  Quercus chrysolepis Thorne, Robert; Thorne, M. 1966-5-31 Los Angeles Santa Catalina Island; along N-facing slopes of ridge running from S end of Mt. Orizaba, S side of S fork of Fern Canyon 487 Comment
  RSA0116267  Quercus douglasii A. C. Sanders 2006-4-14 32062 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. 960 Comment
  SJSU633  Quercus dumosa F. R. Fosberg 1932-3-22 S 5433 Los Angeles near Wrigley Reservoir, Gallagher's Canyon (left Fork), Santa Catalina Island 396 Comment
  UCSB27914  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 944 Comment
  RSA702911  Quercus durata var. gabrielensis Scott D. White, Michael Honer 2004-6-30 10546 Los Angeles San Gabriel Mountains: Mt. Baldy (town). Along Glendora Ridge Rd. ca. 0.25 mile SW of jtn. w/ Mt. Baldy Rd. 1311 Comment
  UC1602282  Quercus engelmannii W. H. Brewer Jan 1861 114 Los Angeles San Gabriel Comment
  UCD170605  Quercus engelmannii D. O. Burge 2017-9-17 2308 Los Angeles San Gabriel Mountains, Bailey Canyon Park, N of Sierra Madera. 350 Comment
  UCR84384  Quercus garryana var. breweri T. S. Ross, Steve Boyd 1994-5-24 7864 Los Angeles Liebre Mtns., NNE slope of Grass Mountain, 130-140 m SE of saddle between Munz Canyon and Burns Canyon. 1232 Comment
  JEPS46705  Quercus tomentella Mrs. Blanche Trask 1908-12-1 Los Angeles Catalina Island Comment
  RSA177662  Quercus tomentella Robert F. Thorne, Everett 1965-5-10 34479 Los Angeles Santa Catalina Island, upper end of Gallagher Canyon 412 Comment
  RSA381392  Quercus tomentella Robert F. Thorne, Propst 1970-11-12 41566 Los Angeles Santa Catalina Island, Mount Orizaba along n-facing slopes of ridge from S end of mountain; S side S fork of Fern Canyon. 488 Comment
  SBBG108346  Quercus tomentella D. H. Wilken with D. Kershaw 1996-5-30 15217 Los Angeles E side of Twin Dams Cyn, 1.1 km NNW of Boulder, 1.8 km SE of Pk 455 Comment
  SD69514  Quercus tomentella Robert F. Thorne 1966-4-5 35823 Los Angeles Santa Catalina Island, Cape Canyon 274 Comment
  CAS-BOT-BC104859  Quercus wislizeni Abbot Kinney 1902-9-1 s.n. Los Angeles Mt. Lowe Comment
  LA30789  Quercus wislizeni Jo Ann W. Flock; 1958-12-20 12 Los Angeles Liebre Mt., 0.5 mi. E of Horse Trail Public Camp 914 Comment
  RSA0116114  Quercus wislizeni R. G. Swinney 2010-8-23 13568 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  UCR191676  Quercus wislizeni T. B. Salvato 2008-4-22 3314 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  RSA477119  Quercus wislizeni var. frutescens F. R. Fosberg 1931-8-13 S 5673 Los Angeles Lower Pine Flats, Hills above First Camp, N fork San gabriel Canyon, San Gabriel Mts. 1540 Comment
  SFV6247  Quercus wislizeni var. frutescens M. H. Grayum, D. Gillen 1974-5-31 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain, along main ridge road. 1021 Comment
  SJSU16076  Quercus wislizeni var. frutescens Allen W. Jacobs 1938-8-9 388 Los Angeles 1/2 mile down the highway below Coldbrook R.S on the lower, right side of the road, against the slope 1066 Comment
  RSA188369  Rafinesquia californica R. F. Thorne, Percy C. Everett 1965-6-22 34888 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road. 243 Comment
  RSA617463  Rafinesquia californica Scott D. White, Sandra L. Leatherman 1998-6-4 6632 Los Angeles Castaic Lake Area: Grasshopper Cyn. watershed, between 1-5Fwy./Old Ridge Route and the Lake. Proposed North Lake Planned Community. 427 Comment
  RSA779259  Rafinesquia californica Pam De Vries 2011-5-4 7762 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita) 502 Comment
  RSA233402  Rafinesquia californica R. F. Thorne 1966-4-17 36116 Los Angeles San Clemente Island. On steep canyon slope near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  RSA399397  Ranunculus californicus H. G. Whitmore 1947-3-23 7 Los Angeles Santa Monica Mountains, Benedict Canyon, 2 miles south of Mulholland Drive Comment
  RSA400238  Ranunculus cymbalaria var. saximontanus L. R. Abrams 1993-5-12 s.n. Los Angeles Lancaster. Comment
  SBBG117057  Ranunculus hebecarpus S. A. Junak with K. Kirkland 2001-4-14 SCa 1447 Los Angeles upper portion of Middle Cyn, just upslope from E side of Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 304 Comment
  UC537067  Ranunculus hebecarpus Philip A. Munz 1934-4-2 13143 Los Angeles Puddingstone Canyon San Dimas 304 Comment
  CAS-BOT-BC74280  Raphanus sativus Louis C. Wheeler 1932-1-8 433 Los Angeles 2 miles southwest of Glendora. 198 Comment
  UCR259977  Raphanus sativus R. G. Swinney 2010-2-27 11768 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
  UCR116033  Rhamnus alaternus Dan S. Cooper 1999-3-10 s.n. Los Angeles Los Angeles area, undeveloped mesa between the Sybil Brand Institute anf the Sheriff Academy, c. 1 km SSW of the intersection of the 710 and 10 Freeways, Monterey Park 165 Comment
  UC870774  Rhamnus californica Ira W. Clokey, B. Templeton Dec 1929 4603 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  UCR151727  Rhamnus californica Steve Boyd, Amber Maurice 2004-5-18 11309 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  RSA589237  Rhamnus californica subsp. californica Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2909 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats) 1250 Comment
  RSA95308  Rhamnus crocea F. W. Peirson 1919-4-1 339 Los Angeles Arroyo Seco, west of Pasadena. Comment
  LA52147  Rhamnus ilicifolia A. M. Johnson; 1932-5-30 4088 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  POM24614  Rhamnus ilicifolia Carl B. Wolf 1928-5-11 2178 Los Angeles On the Newhall Grade, just north of point where the Los Angeles Aqueduct crosses the highway. Comment
  POM8710  Rhamnus ilicifolia P. A. Munz, R. D. Harwood 1920-3-13 3310 Los Angeles San Jose Hills, 2 mi. W. of Rocky hillside. Pomona. Comment
  RSA0086918  Rhamnus ilicifolia R. G. Swinney 2010-8-9 13466 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA390832  Rhamnus ilicifolia Bonnie C. Templeton 1930-4-2 1434 Los Angeles Mulholland Dr. Santa Monica Mountains. Comment
  RSA391039  Rhamnus ilicifolia I. M. Johnston 1917-2-10 13809 Los Angeles Hills south of Pomona. Hillside under oak. 366 Comment
  RSA391040  Rhamnus ilicifolia Marcus E. Jones 1925-5-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mts. Comment
  UCR258826  Rhamnus ilicifolia R. G. Swinney 2010-4-23 12346 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA213334  Rhamnus pirifolia Reid V. Moran 1941-2-2 608 Los Angeles Santa Catalina Island, Johnson's Valley 20 Comment
  RSA3559  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3503 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 122 Comment
  SBBG41308  Rhamnus pirifolia M. R. Benedict 1970-6-27 Los Angeles Cape Cyn Comment
  CAS-BOT-BC59782  Rhamnus pirifolia Mr. J. G. Baker s.n. Los Angeles unspecified. Comment
  CHSC95433  Rhus integrifolia LeRoy Gross 2002-2-24 486 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northwest side; Entered at the corners of Ledge Ave. and Tuxford St. off La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Low +- rounded foothills of Coastal sage scrub, horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow hills, where Sunland Blvd. runs through. 351 Comment
  CLARK-A1528-1410  Rhus integrifolia John C. Roos 1949-2-13 4083 Los Angeles Whittier Comment
  PASA2368  Rhus integrifolia A. Carter 1929-1-6 Los Angeles Sturtevant Trail, Sierra Madre Mts. 396 Comment
  RSA133245  Rhus integrifolia P. H. Raven 1959-5-3 14058 Los Angeles Santa Monica Mountains (34 N; 118-119 W). Mulholland Drive 0.5 miles east of Beverly Glen Boulevard. 381 Comment
  RSA526615  Rhus integrifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4203 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  RSA754105  Rhus integrifolia Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1828 Los Angeles San Gabriel River main stem across from Morris Dam, CS1 402 Comment
  RSA77171  Rhus integrifolia F. W. Peirson 1919-1-25 313 Los Angeles Arroyo Seco, near Pasadena 381 Comment
  SD75599  Rhus integrifolia Reid Moran 1941-2-18 582 Los Angeles Middle Ranch Canyon, San Clemente Island 349 Comment
  RSA0014726  Rhus integrifolia Laura Moore 1999-4-10 13 Los Angeles Pitzer College, Claremont; Center of Outback, across trail from small Quercus agrifolia. 351 Comment
  CAS-BOT-BC167946  Rhus ovata Louis C. Wheeler 1931-11-11 341 Los Angeles 2 mi. SW Girard, Santa Monica Mts. 426 Comment
  CHSC99  Rhus ovata E. Thomas 1940-3-10 Los Angeles Temescal Canyon Comment
  POM2722  Rhus ovata I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Canon Wash (Between upland and Claremont) 365 Comment
  RSA666853  Rhus ovata A. C. Sanders, D. Malueg 2001-5-17 24334 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  NY454623  Ribes aureum S. D. Boyd 1997-3-4 9154 Los Angeles Liebre Mountains region, Mint Canyon, just southwest of Sleepy Valley, south of Rowher Canyon along Sierra Highway 670.6 Comment
  UCSB2599  Ribes aureum Ballard 1954-2-16 Los Angeles Pomona College; Claremont 259 Comment
  CAS-BOT-BC92437  Ribes aureum var. gracillimum Louis C. Wheeler 1932-5-26 763 Los Angeles San Gabriel Wash. 106 Comment
  CAS-BOT-BC92446  Ribes aureum var. gracillimum John Thomas Howell 1929-3-2 4098 Los Angeles On Foothill Boulevard at Monrovia. Comment
  RSA84496  Ribes aureum var. gracillimum F. W. Peirson 1927-3-19 7113 Los Angeles 1 mile or so back on thr range. Seminole Hot Springs, Santa Monica Mts. Comment
  CAS-BOT-BC93086  Ribes californicum var. hesperium A. J. McClatchie 1894-1-1 s.n. Los Angeles Canons [Canyons] San Gabriel Mountains near Pasadena. Comment
  RSA191121  Ribes californicum var. hesperium Robert F. Thorne 1967-6-25 37124 Los Angeles San Gabriel Mountains: Lower end of Evey Canyon. 701 Comment
  UC1127401  Ribes californicum var. hesperium A. Lewis Feb 1934 275 Los Angeles Head of Grapevine Canyon Angeles National Forest, San Fernando Quadrangle Comment
  RSA0008292  Ribes divaricatum var. parishii Brian C. Miller 1963-3-9 s.n. Los Angeles Whittier Narrows, San Gabriel River, Pico Rivera. 122 Comment
  CAS-BOT-BC173100  Ribes indecorum Frederick V. Coville 1925-4-18 172 Los Angeles San Antonio Canyon, San Gabriel Mountains 609 Comment
  SEINET2473436 Image available Ribes indecorum Richard G. Swinney 2009-1 10140 Los Angeles San Gabriel Mtns. Foothills; Azusa/Irwindale, mouth of San Gabriel River Canyon, 100-400 m north of I-210 Fwy, 300 m east of the river channel 177 Comment
  UC575722  Ribes indecorum Lewis S. Rose 1934-12-26 34509 Los Angeles Flintridge Comment
  RSA569183  Ribes malvaceum Bonnie C. Templeton, I. W. Clokey 1930-4-2 1432 Los Angeles Mulholland Dr., Northwest of Hollywood 600 Comment
  SEINET3259904 Image available Ribes malvaceum R. G. Swinney 2008-3-31 8584 Los Angeles San Gabriel Mtns.; Glendora Mountain summit. 1003 Comment
  SD84890  Ribes malvaceum var. malvaceum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island: Head of canyon, Mosquito Summit. Comment
  CLARK-A1528-1298  Ribes malvaceum var. viridifolium John C. Roos 1943-3-20 2598 Los Angeles Santa Monica Mountains Comment
  POM48027  Ribes malvaceum var. viridifolium C. F. Baker 1903-9-17 4065 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA441476  Ribes malvaceum var. viridifolium Bonnie C. Templeton 1931-1-27 1408 Los Angeles Hills north of Griffith Park 200 Comment
  UC921824  Ribes malvaceum var. viridifolium Ira W. Clokey, B. Templeton 1929-4-14 4455 Los Angeles Mandeville Canyon Santa Monica Mountains 450 Comment
  SEINET13942688 Image available Ribes nevadaense David Charlton 1986-1 268 Los Angeles San Gabriel Mountains, between Blue Ridge Campground (1.5 mi. airline SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run along the reservoir maintenance road, 0.7 to 1.2 mi. S of Angeles Crest Hwy on Forest Road 3N06. T3N, R8W, sec 5. 8000 ft 2438 Comment
  CAS-BOT-BC219180  Ribes nevadense G. B. Grant 1902-6-1 475 Los Angeles Summit, Mount Wilson Comment
  UCR276730  Ribes roezlii R. G. Swinney 2010-9-21 13852 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  LA50748  Ribes speciosum Carl Epling; Lincoln Ellison 1930-3-1 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  CATA1460  Ribes viburnifolium Mark L. Hoefs, Robert F. Thorne 1996-4-6 2644 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  UCR55486  Ricinus communis J. A. Adams 1965-5-23 234 Los Angeles San Gabriel Mtns., Palmer Canyon, 1/4 mi upstream from Padua Hills, near Claremont 823 Comment
  RSA0057899  Rorippa curvipes var. truncata Richard G. Swinney 2010-9-7 13703 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UCR150627  Rorippa palustris subsp. occidentalis Scott D. White 1997-5-8 5094 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
  LA82102  Rosa californica O. H. Kappler; 1940-5-31 38 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM155661  Rosa californica M. B. Dunkle 1928-5-13 1946 Los Angeles Santa Catalina Island, Middle Ranch Canyon. 213 Comment
  UC1584270  Rosa californica Tim Ross and Steve Boyd 1990-6-6 2855 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' Quad., San Francisquito Canyon 926 Comment
  UCR210093  Rosa californica R. G. Swinney 2008-10-16 9616 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  JEPS79971  Rosa woodsii var. ultramontana Frank W. Peirson 1919-6-14 470 Los Angeles Big Rock Creek Canyon; San Gabriel Mts. 1676 Comment
  RSA199042  Rosmarinus officinalis W. M. Gauntt 1966-4-30 172 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 915 Comment
  POM1466  Rubus ursinus Unspecified 32 Los Angeles Claremont? Comment
  RSA187751  Rubus ursinus Robert F. Thorne 1966-4-5 35815 Los Angeles Santa Catalina Island. Along Cottonwood Creek by bridge on road from Middle Ranch to Little Harbor. 27 Comment
  SBBG38733  Rubus ursinus R. Moran 1941-3-7 685 Los Angeles Middle Ranch 200 Comment
  CATA1661  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2950 Los Angeles Santa Catalina Island: Above Parson's Beach 85 Comment
  UCR179621  Rumex conglomeratus R. G. Swinney 1989-6-24 s.n. Los Angeles San Gabriel Mtns., Little Dalton Canyon 427 Comment
  RSA0107832  Rumex conglomeratus Steven A. Junak 2000-6-29 SCa- 1351 Los Angeles Santa Catalina Island. NE end of Haypress Reservoir. 399 Comment
  RSA611543  Rumex conglomeratus Louis C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  CATA1260  Rumex crispus Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2344 Los Angeles Santa Catalina Island: Near junction of Empire Landing Road and road to Two Harbors 207 Comment
  LA33970  Rumex crispus Peter H. Raven; Henry J. Thompson 1959-6-4 14339 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, along ditch behind dunes. 12 Comment
  UC1215277  Rumex crispus Peter H. Raven 1962-4-10 17189 Los Angeles hillside above Wilson Cove; San Clemente Island 91 Comment
  UC520379  Rumex maritimus Louis C. Wheeler 1932-9-19 1394 Los Angeles Los Angeles River at Los Feliz Blvd Los Angeles River 121 Comment
  UCR147838  Ruta graveolens L. C. Wheeler 1954-5-30 7058 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Eaton Wash about east of [fork of mansion?]. . Comment
  RSA477740  Sagina saginoides F. R. Fosberg, J. Ewan 1931-8-12 s.n. Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  CAS-BOT-BC103161  Salix bonplandiana Peter H. Raven 1962-5-20 17790 Los Angeles Santa Catalina Island, Cape Canyon Comment
  CAS-BOT-BC103746  Salix exigua G. L. Moxley 1922-6-12 1107 Los Angeles San Francisquito, West of PH#1 Comment
  POM11476  Salix exigua I. M. Johnston 1917-8-23 1685 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA228839  Salix exigua Robert F. Thorne 1971-6-26 40628 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  RSA601748  Salix exigua Louis C. Wheeler 1966-10-23 9052 Los Angeles San Gabriel Mountains. Kentucky Springs. Comment
  UC474005  Salix exigua F. A. MacFadden Mar. 1931 3069 Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon Comment
  UC1135106  Salix exigua var. hindsiana Jerome S. Horton 1935-7-18 211 Los Angeles above C.C.C. Camp Dalton Canyon; Pomona Quadrangle Comment
  RSA611367  Salix gooddingii Louis C. Wheeler 1968-9-16 s.n. Los Angeles Una Lake, near Palmdale. Comment
  RSA0038338  Salix hindsiana var. leucodendroides F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  RSA127416  Salix laevigata Peter H. Raven, Henry J. Thompson 1959-10-18 14668 Los Angeles Mouth of Medea Creek, north arm of Malibu Lake 221 Comment
  UC1134998  Salix lasiolepis A. D. Gifford 1935-2-13 433 Los Angeles junction of Bear Canyon and Cienega Creek; Angeles Nat'l Forest, Tejon Quad. Comment
  UC482211  Salix lasiolepis Carl W. Sharsmith 1931-11-15 3 Los Angeles at foot of coastal headland near mouth of Topanga Canyon; Santa Monica Mts., Topanga Canyon 15 Comment
  CAS-BOT-BC107525  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7178 Los Angeles on flood plain of Los Angeles River, at foot of Cahuenga Pass grade 180 Comment
  CAS-BOT-BC126289  Salix sessilifolia L. A. Greata 1900-9-1 s.n. Los Angeles Los Angeles Comment
  CDA20314  Salsola australis M. O'Brien 2005-1-23 s.n. Los Angeles Southern California Coast; La Piedra State Beach. 0 Comment
  UCR48979  Salsola australis A. C. Sanders 1987-9-18 7358 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  RSA0062691  Salsola tragus R. G. Swinney 2010-10-13 14034 Los Angeles 200 meters south of Lily Spring. 2529 Comment
  RSA444932  Salsola tragus F. R. Fosberg 1930-6-30 S 3053 Los Angeles Del Rey 4 Comment
  UCSB1714  Salsola tragus Wedberg, H. 1958-7-24 Los Angeles Vincent-Littlerock Road, about 1 mile east of Hwy. 6 Comment
  UCSB27665  Salsola tragus Lavinger, S. 1975-10-9 Los Angeles Point Dune Road 4.5 miles north from its junction with Pacific Coast Highway 152 Comment
  POM296994  Saltugilia splendens subsp. grantii Lyman Benson 1945-6-5 11765 Los Angeles Cold Spring, 2.5 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mountains. Pacific Slope Drainage 1372 Comment
  RSA608720  Salvia apiana Louis C. Wheeler 1931-3-13 s.n. Los Angeles San Dimas: Puddingstone. Comment
  POM305752  Salvia apiana Henry J. Ramsey, Henry J. Ramsey 1937-6-27 941 Los Angeles Elizabeth Canyon Road, Angeles National Forest. Comment
  RSA442830  Salvia apiana William Emboden 1969-5-28 15 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442849  Salvia apiana William Emboden 1969-5-28 39 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  SEINET12273090  Salvia apiana C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  SEINET12872883  Salvia carduacea Unknown 2010-5-12 12763 Los Angeles San Gabriel Mountains Comment
  RSA0047408  Salvia columbariae R. G. Swinney 2010-3-10 11827 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA578243  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-4-4 7684 Los Angeles Head of South Portal Canyon: northwest of Grass Mountain on forest service road that follows South Portal Canyon. 1180 Comment
  UCR276933  Salvia columbariae R. G. Swinney 2010-5-21 12901 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  UCSB41790  Salvia columbariae Fall, G. 1970-3-25 Los Angeles along the roadside of 110th St; 2.6 mi. from intersection with K Ave; 11 mi. from Sierra Hwy 1036 Comment
  HSC24299  Salvia dorrii Nels Rinden 1971-5-2 8 Los Angeles 34 mi. W of Lancaster, 6 mi. W of Fairmont Buttes in Antelope Valley 884 Comment
  RSA446304  Salvia dorrii var. pilosa T. W. Minthorn 1927-6-11 s.n. Los Angeles Near Neenach. Comment
  RSA0094716  Salvia mellifera R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14323 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  RSA662180  Salvia mellifera Carol Zuck 1981-2-27 61 Los Angeles W. Covina. East on I-10 between Barranca and Grand off ramps. Comment
  SFV15561  Salvia mellifera R. K. Stachelek 1992-4-14 10 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park, along fire road near top of hill. 520 Comment
  SEINET11587783  Salvia spathacea Joseph Cahill, Jordan, Erik 2013-2-24 213 -1 Los Angeles Los Angeles County Comment
  RSA764313  Sambucus caerulea Doris Bowers 1957-5-12 516 Los Angeles Arroyo Seco, Pasadena 305 Comment
  RSA657293  Sambucus mexicana Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -2 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
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May 21 2015
  CAS-BOT-BC238741  Sambucus nigra subsp. caerulea Alice Eastwood 1917-7-20 6471 Los Angeles Santa Catalina Island Comment
  SBBG69471  Sambucus nigra subsp. caerulea R. Hoffmann 1929-5-21 Los Angeles Del Sur to Elizabeth Lake Comment
  SFV21130  Sambucus nigra subsp. caerulea L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1036 Los Angeles Verdugo Mountains South side of Verdugo Mountains. West side of Brand Canyon just a short distance above the cemetery. Shady canyon site, next to stairs that go up to an old foundation. 307 Comment
  UCSB10480  Sambucus nigra subsp. caerulea Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena 243 Comment
  LA94329  Sambucus nigra subsp. canadensis A. H. Lange; 1951-5-22 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Faculty Hill. Comment
  SBBG38682  Sanicula arguta R. Moran 1941-2-17 579 Los Angeles Middle Ranch 500 Comment
  UC1177568  Sanicula arguta Reid Moran 1959-3-9 7160 Los Angeles 1 mi n of Eel Point (San Clemente Island); San Clemente Island 20 Comment
  SFV16907  Sarcodes sanguinea M. Smith 1997-5-2 6 Los Angeles San Gabriel Mountains Bandido Group Campground, near Mount Hillyer. 1768 Comment
  RSA630738  Saxifraga californica LeRoy Gross 1999-5-8 159 Los Angeles San Gabriel Mountains: Bear Canyon (a tributary of the Arroyo Seco) along trail about 500 feet above stream. 914 Comment
  UCR193723  Schismus arabicus R. G. Swinney 1999-4-5 7065 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR123803  Schismus barbatus Steven R. Hill, K. Kramer 2001-4-22 33346 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
  UCR200187  Schismus barbatus Valerie Soza, Laura A. Moore 2000-5-10 862 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  UCR162585  Schoenoplectus americanus Anuja Parikh, Nathan Gale 2004-5-31 2015 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 1) at and below confluence of Potrero Canyon 259 Comment
  SEINET3914760  Scirpus microcarpus Tim Ross, Orlando Mistretta; Carolyn Neal 1994-7-1 8083 Los Angeles San Gabriel Mountains: Sheep Camp Spring, 3341/4 and 520 m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon.; 0 1920 Comment
  CAS-BOT-BC110941  Scirpus microcarpus I. Johnston 1947-6-14 1345 Los Angeles West of Pomona Comment
  RSA188495  Scirpus microcarpus Robert F. Thorne, John Olmsted 1965-8-26 35419 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River 1585 Comment
  LA103333  Scrophularia californica subsp. californica Michael Neuman; 1984-3-16 32 Los Angeles SANTA MONICA MOUNTAINS, Pacific Palisades, Santa Monica. Comment
  SBBG13631  Scrophularia villosa P. H. Raven 1962-5-10 17711 Los Angeles floor of cyn N of Thirst 304 Comment
  SFV8254  Scutellaria siphocampyloides T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1611 Los Angeles San Gabriel Mountains Chilao Flat. 1585 Comment
  POM4102  Scutellaria tuberosa George B. Grant 1901-02 3393 Los Angeles Pasadena. Comment
  RSA445373  Scutellaria tuberosa Fay A. MacFadden 1931-4-10 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCD125757  Scutellaria tuberosa Gerald Dickinson 1962-4-4 10 Los Angeles 1 mi. west of Topanga Canyon Road on Mulholland Rd, Santa Monica Mts. 356 Comment
  PASA2576  Sedum oblongorhizum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  LA93999  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1694 Los Angeles SANTA MONICA MOUNTAINS, just S of Cornell Corners, small ravine in bluff above road. 274 Comment
  POM244932  Selaginella bigelovii F. Raymond Fosberg 1931-4-22 R 93 Los Angeles Santa Catalina Island. Ridge above Eagles Nest, Middle Ranch Canyon. 200 Comment
  UC1922979  Selaginella bigelovii Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 812 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, above end of paved Wildwood Canyon Road and below trail along ridgetop to Verdugo Mtwy. Near 34deg12'47.8''N, 118deg17'27.4W; T2N, R14W, NE1/4, SE1/4 sec. 36; T2N, R13W, NW1/4, SW1/4 se 595 Comment
  LA5826  Selaginella bigelovii A. M. Johnson; 1934-3-16 4379 Los Angeles Comment
  POM312798  Selaginella bigelovii D. Taylor 1951-5-17 60 Los Angeles Little Dalton Canyon north of Glendora. 365 Comment
  RSA596708  Senecio flaccidus var. douglasii Steve Boyd, Lauren Raz 1996-9-24 8924 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
  UCR118193  Senecio flaccidus var. douglasii A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23284 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  UCR247983  Senecio flaccidus var. douglasii David J. Keil 1986-9-27 19740 -2 Los Angeles Along Hwy I-5, just south of Hungry Valley Road exit 915 Comment
  POM9642  Senecio flaccidus var. douglasii P. A. Munz 1920-12-5 4403 Los Angeles Claremont. 366 Comment
  RSA313366  Senecio lyonii R. F. Thorne 1973-4-12 42902 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  RSA565746  Senecio mikanioides Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles Arroyo Seco Canyon; just above the debris dam and below Oakwilde Picnic Are along Gabrielino Trail Comment
  RSA473108  Senecio vulgaris Samuel R. Tyson 1943-3-26 s.n. Los Angeles San Dimas Canyon 670 Comment
  UCR130506  Senna artemisioides R. E. Riefner Jr. 2000-8-29 00- 763 Los Angeles Verdugo Hills, [Las Barras] 'La Tuna' Canyon, La Tuna Canyon Rd. at 210 Freeway exit 488 Comment
  UCR110905  Setaria adhaerens A. C. Sanders, D. Malueg 1998-6-22 22015 Los Angeles San Gabriel Mtns., W of Rosemead Blvd., Burton Ave. at Longden Ave., under SCE powerlines 146 Comment
  SBBG98244  Setaria viridis Anstruther Davidson -Jul-1917 Los Angeles Los Angeles Comment
  RSA447537  Sherardia arvensis E. S. Spalding 1925-6-23 s.n. Los Angeles U.S.C. Campus. Comment
  SBBG108895  Sibara filifolia S. A. Junak 1997-3-11 SCl 756 a Los Angeles S of small ridge overlooking Pyramid Cove, ca. 0.25 mi SSE of Triangulation Pt Guds 152 Comment
  RSA191041  Silene antirrhina James Henrickson 1963-5-5 32324 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts., 518 Comment
  LA94360  Silene gallica Louis Wheeler; 1932-3-23 521 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA655782  Silene gallica LeRoy Gross 2001-2-17 338 Los Angeles Verdugo Mountains, north side: East of Hostetter Mountainway, follow dirt road that splits east of Hostetter parallel with 210 freeway., This road dips down into a canyon then climbs back up and around the first ridge east facing slope. 549 Comment
  UC519734  Silene gallica Joseph Andorfer Ewan 1932-5-10 7467 Los Angeles Verdugo Canyon Colina Drive; Verdugo Canyon at Colina Drive Comment
  LA94349  Silene laciniata subsp. laciniata W. O. Griesel; 1934-5-3 4448 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UC535498  Silene laciniata subsp. major Ira W. Clokey, B. Templeton May 1929 4544 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 500 Comment
  RSA65043  Silene lemmonii F. W. Peirson 1920-5-11 40 Los Angeles between Dawn Mine and Station, Millard's Canyon 1005 Comment
  CAS-BOT-BC175108  Silene verecunda Victor Duran 1933-7-24 3530 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCR206258  Silene verecunda R. G. Swinney 2008-6-10 8992 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  RSA438865  Silene verecunda subsp. platyota F. R. Fosberg 1931-8-11 S 5598 Los Angeles Lshio trail 1 mi. above Big Cienega, S slope 1080 Comment
  RSA188274  Sinapis arvensis R. F. Thorne 1966-6-1 36466 Los Angeles Pebbly Beach terminal, Santa Catalina Island. 6 Comment
  CDA3861  Sisymbrium altissimum L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains region; Transverse Ranges; saddle immediately east of Magic Mountain 0 Comment
  RSA748346  Sisymbrium altissimum Justin M. Wood 2009-6-1 792 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  CAS-BOT-BC75231  Sisymbrium irio P. B. Kennedy 1924-2-21 s.n. Los Angeles Pomona. E. Johnson Ranch. Comment
  RSA356026  Sisymbrium irio R. F. Thorne 1973-3-14 42651 Los Angeles San Dimas Canyon near its mouth. Comment
  UCR256132  Sisymbrium orientale R. G. Swinney 2010-4-20 12301 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  CATA257  Sisyrinchium bellum Mark L. Hoefs, A. Douglas Propst 1973-5-4 262 Los Angeles Santa Catalina Island: By road above and east of Emerald Cove, north slope 30 Comment
  RSA339637  Sisyrinchium bellum Robert F. Thorne, Mae Z. Thorne 1980-3-23 54005 Los Angeles Foothills of San Gabriel Mountains: Johnsons Pasture above Claremont. 610 Comment
  VVC3375  Sisyrinchium bellum Tim Thomas 1973-4-24 9 Los Angeles Transverse Range, Santa Monica Mountains, Mulholland Hwy at Cold Creek 290 Comment
  POM1753  Sisyrinchium bellum I. M. Johnston 1918-5-5 1888 Los Angeles Trumbull Canyon, Puente Hills 30 Comment
  SEINET10664117  Smilax rotundifolia Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2518 Los Angeles City of Pasadena. Farm Fresh Ranch Market, 475 E. Orange Grove Blvd. Comment
  RSA11763  Solanum douglasii E. Lloyd 1933-3-25 s.n. Los Angeles Temescal canon. Comment
  RSA187717  Solanum douglasii Robert F. Thorne 1966-4-5 35863 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  RSA422397  Solanum douglasii Freda Detmers 1928-10-17 s.n. Los Angeles Stream side, Verdugo Woodlands Comment
  NY821122  Solanum parishii F. Beckwith 06 1915 167 Los Angeles Los Angeles Comment
  RSA0069830  Solanum umbelliferum R. G. Swinney 2010-3-22 12015 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA595880  Solanum umbelliferum Tim S. Ross, Victor W. Steinmann 1995-5-8 8534 Los Angeles Bouquet Canyon: along Bouquet Canyon Road at its intersection with a US Forest Service road that winds up onto the ridge between Bouquet Canyon and Mystic Canyon. 595 Comment
  POM156292  Solanum umbelliferum L. R. Abrams 1902-6-29 2586 Los Angeles Mt. Wilson, San Gabriel Mountains. Comment
  RSA427372  Solanum wallacei G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  UC370906  Solanum wallacei R. L. Pendleton 1909-7-2 1366 Los Angeles road e of Avalon (Santa Catalina Island); Santa Catalina Island 3 Comment
  UC41540  Solanum wendlandii Earnest Braunton July 1901 Los Angeles Los Angeles Comment
  LA51835  Solanum xanti A. M. Johnson; 1928-2-16 2779 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  SEINET3162626  Solanum xanti E. K. Balls, L. W. Lenz 1950-3-28 14458 Los Angeles 3 mi N of Castaic, Hwy 99 457 Comment
  POM11276  Solidago californica P. A. Munz 1921-10-5 4694 Los Angeles Palmer's Canyon, N of Claremont 488 Comment
  UCR199858  Solidago californica LeRoy Gross, Naomi Fraga 2006-1-20 2450 Los Angeles Transverse Ranges, Verdugo Mountains, east end of the Verdugos, north side of the main crest. Deer Creek off of Beaudry Road, west of debris basin 448 Comment
  UC205620  Solidago confinis I. M. Johnston 1917-8-22 1674 Los Angeles Prairie Fork at Native Son Mine (San Antonio Mountains) Comment
  SEINET11801799  Solidago confinis J. F. Bright, Wyman, C. 1932-1 7973 Los Angeles Hollywood Comment
  UCR104140  Solidago occidentalis Scott D. White 1997-11-5 6020 Los Angeles Zuma Beach, Mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA599737  Sonchus asper L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains: Middle Fork of Mill Creek, off Big Tujunga. 1067 Comment
  UCR280569  Sonchus oleraceus R. G. Swinney 2014-5-13 16490 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
  RSA527709  Sonchus oleraceus Timothy S. Ross, Annette Ross 1991-3-7 4156 Los Angeles Elephant Hill, Western Pomona,. 256 Comment
  RSA529290  Sonchus oleraceus Timothy S. Ross 1991-4-8 4463 Los Angeles Elephant Hill: Western Pomona. 229 Comment
  RSA611258  Sparganium erectum subsp. stoloniferum L. C. Wheeler 1946-9-22 6375 Los Angeles Rosemead Blvd. & San Gabriel Blvd. Comment
  RSA329567  Spartium junceum Gary D. Wallace 1966-4-1 450 Los Angeles Fish Canyon no. of Duarte Comment
  UCR265528  Spergula arvensis Dan S. Cooper 2015-3-3 315- 11 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, utility road on west flank of Burbank Peak 345 Comment
  RSA477986  Spergula arvensis E. S. Spalding 1923-4-7 s.n. Los Angeles Claremont Comment
  RSA0098221  Spergularia macrotheca Meryl B. Dunkle 1939-4-5 7272 Los Angeles San Clemente Island. China Point. Comment
  SBBG95218  Spergularia macrotheca var. macrotheca M. B. Dunkle 1928-4-29 1910 Los Angeles Little Harbor Comment
  CAS-BOT-BC390325  Spergularia macrotheca var. macrotheca Michael R. Benedict 1971-6-26 s.n. Los Angeles California Islands. About 1/2 mile south of Wilson Cove. San Clemente Island Comment
  SD69463  Spergularia marina Robert F. Thorne 1966-4-4 35768 Los Angeles Santa Catalina Island, Catalina Harbor, Isthmus, tip of Ballast Point Comment
  CAS-BOT-BC390799  Spergularia marina Alice Eastwood 1906-5-29 73 Los Angeles Country adjacent to Los Angeles. Ocean Park Comment
  RSA0098527  Spergularia salina George B. Grant 1903-4-4 4879 Los Angeles Pasadena. Comment
  RSA0098708  Spergularia villosa Mark L. Hoefs, Steven A. Junak 1996-5-1 2701 Los Angeles Santa Cataline Island. Road to Lone Tree, past Upper Road to Avalon Canyon. 463 Comment
  UCD92985  Sporobolus contractus P. B. Dickey 1939-8-8 1070 Los Angeles SCS Nursery Littlerock, row 75. Comment
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Jan 20 2015
  RSA158240  Stachys albens David P. Gregory 1961-8-10 481 Los Angeles Growing near an apple orchard in the bottom of the canyon below springs. Coldwater Canyon, sw. of Mt. San Antonio. San Gabriel Mountains. Comment
  UC1234712  Stachys albens D. Gregory 1961-8-10 481 Los Angeles sw Mt. San Antonio (near an apple orchard below some springs, near the bottom of the canyon); San Gabriel Mts., Coldwater Canyon Comment
  UCR270915  Stachys bullata R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14343 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  CAS-BOT-BC60919  Stanleya pinnata Ynez Whilton Winblad 1937-6-26 s.n. Los Angeles Ridge Route, north LA county. Comment
  UCSB23655  Stanleya pinnata McPherson, James 1966-7-12 Los Angeles South side of Elizabeth Tabe Road, 2 miles east of its junction with Goode Hill Road, 7 miles west of Palmdale 914 Comment
  SD231269  Stanleya pinnata var. pinnata Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 78 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  CAS-BOT-BC374812  Stebbinsoseris heterocarpa H. J. Thompson 1953-4-12 s.n. Los Angeles Mulholland Drive, 3.1 mi. w. of Beverly Glen Avenue, Santa Monica Mts. Comment
  POM8838  Stellaria media P. A. Munz 1920-03 4307 Los Angeles Cobal's Canyon 426 Comment
  RSA724901  Stellaria media K. Dobry 1991-4-4 434 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  SDSU4474  Stellaria media A. H. Gallup 1948-3-5 114 Los Angeles Claremont. 366 Comment
  UCR281359  Stellaria media R. G. Swinney 2014-5-21 16624 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  LA82417  Stellaria media O. H. Kappler; 1943-3-1 363 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR219558  Stellaria neglecta R. G. Swinney 2009-3-28 10211 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  POM16940  Stephanomeria pauciflora var. pauciflora P. A. Munz 1923-9-1 7717 Los Angeles Sheep Creek: San Antonio Mountains. 1372 Comment
  CAS-BOT-BC375716  Stephanomeria runcinata Seth Benson 1929-7-8 s.n. Los Angeles Mojave Desert, 4 1/2 miles ne. of Shoemaker 1143 Comment
  RSA127817  Stephanomeria virgata P. H. Raven, Henry J. Thompson 1958-9-19 s.n. Los Angeles Santa Monica Mountains, road borders of United States Hwy 101, 0.2 miles east of turn to Zuma Beach. 46 Comment
  SEINET13276799 Image available Stephanomeria virgata subsp. virgata R. G. Swinney 2011-1 15877 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  RSA748446  Stephanomeria virgata subsp. virgata Orlando Mistretta 1992-7-9 642 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  HSC24482  Stipa coronata R. F. Thorne, M. Z. Thorne 1969-7-9 38483 Los Angeles San Gabriel Mtns, Angeles National Forest, Table Mtn. above Big Pines Ranger Station 2119 Comment
  RSA0091533  Stipa coronata R. G. Swinney 2011-6-14 15130 Los Angeles Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UCR270534  Stipa coronata R. G. Swinney 2010-4-13 12177 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  SEINET10893277  Stipa coronata var. depauperata Peter H. Raven, Henry J. Thompson 1956-6-22 Raven s.n. Los Angeles Large clumps on a burn below Mulholland Drive above Sepulveda Boulevard, Santa Monica Mountains Comment
  CATA478  Stipa pulchra Sara L. Crockett, Mark Hoefs, Steven Junak, Janet Takara 1997-3-28 620 Los Angeles Santa Catalina Island: End of Cat Harbor Road, on NE side of Cat Harbor 74 Comment
  SD215358  Stipa speciosa Steve Boyd, Lauren Raz 1997-3-25 9302 Los Angeles Liebre Mountains Region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 kilometer northeast of Knapp Ranch. 1096 Comment
  RSA187649  Stuckenia pectinata Robert F. Thorne 1966-9-14 36673 Los Angeles Santa Catalina Island. Bank along Cottonwood Creek near Isthmus