Search Results — 2000 specimen records retrieved (1571 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384194  Abies concolor Christina Clark 1928-10-14 1957 Los Angeles Mt. San Antonio Comment
  SD84838  Abronia maritima M. B. Dunkle 1939-4-5 7278 Los Angeles San Clemente Island; Pyramid Cove. Comment
  RSA460951  Abronia pogonantha Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA460976  Abronia umbellata P. A. Munz 1932-8-31 12814 Los Angeles Back beach, Playa del Rey. Comment
  POM279675  Abronia umbellata Arthur L. Cohen 1934-8-2 519 Los Angeles Ocean Park, California. Comment
  RSA0025877  Abronia umbellata Peter H. Raven 1962-4-11 17253 Los Angeles Due west of Wall 2, San Clemente Island. 9 Comment
  CHSC26544  Acacia longifolia D. Freed 1967-5-20 97 Los Angeles 1/4 mile west of Rose Bowl, Pasadena. 76 Comment
  OBI70869  Acer macrophyllum Steve Boyd 1997-5-20 9800 Los Angeles Liebre Mts region: Northern flank of Sawmill Mtn, upper Heryford Cyn drainage, just NE of Sawmill Summit at the jctn of forest Service roads 7N23 and 7N08 1585 Comment
  POM186248  Achillea millefolium Joseph A. Ewan 1933-7-4 7873 Los Angeles San Gabriel Mtns. Ridge east of Monrovia Peak 1372 Comment
  RSA654028  Achnatherum coronatum Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 813 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 579 Comment
  RSA584395  Achnatherum occidentale subsp. occidentale Timothy S. Ross, Darin Banks 1994-6-21 7991 Los Angeles ridge W of Pacifico Mtn. between Tie Canyon and Santiago Canyon drainages 1905 Comment
  LA209731  Achyrachaena mollis Henry J. Thompson; 1959-4-19 1951 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  SBBG9011  Achyrachaena mollis J. Takara 1991-4-26 Los Angeles E of isthmus, along main rd; adjacent to uphill side of rd Comment
  SBBG78359  Acmispon americanus F. R. Fosberg 1931-7-11 4386 Los Angeles middle of Cape Cyn 200 Comment
  SBBG31413  Acmispon argophyllus var. argenteus R. F. Thorne with P. C. Everett 1965-6-22 Los Angeles upper end of Avalon Cyn, along rd 182 Comment
  UCR65561  Acmispon dendroideus var. traskiae Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-30 805- 05 Los Angeles Channel Islands, San Clemente Island: Waynuk Canyon, W slope of the island 247 Comment
  SD231309  Acmispon glaber var. brevialatus Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 100 Los Angeles Transverse Ranges; San Gabriel Mountains region: North side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  CATA3496  Acmispon grandiflorus var. grandiflorus Benjamin J. Dion, Michael Thomas, Nathalie Cartan 2017-11-2 048 Los Angeles Santa Catalina Island: Pacific side; roadside on eroded slope 1m above (north of) Silver Peak Road, northwest of Silver Peak 457 Comment
  CATA1728  Acmispon micranthus Mark L. Hoefs, Steven A. Junak 2000-4-14 3075 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor 469 Comment
  CATA1985  Acmispon micranthus Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 353 Los Angeles Santa Catalina Island: Upper part of Cape Canyon drainage, ca. 0.65 miles SW of Black Jack Peak 396 Comment
  OBI50378  Acmispon procumbens var. procumbens Larry Kelly, David J. Keil 1989-4-21 364 Los Angeles San Gabriel mts. 2.3 mi SE of Valyrmo along Ft. Tejon rd Comment
  SD86353  Acmispon strigosus R. Mitchel Beauchamp, M. Douglas 1972-3-24 3248 Los Angeles San Clemente Island, rocky crevices of dry south slope below Observation Post above Pyramid Cave 149 Comment
  SD90552  Acmispon strigosus Robert F. Thorne 1973-4-11 42810 Los Angeles San Clemente Island, rocky slopes of upper part of Middle Ranch Canyon 381 Comment
  RSA660396  Acourtia microcephala Orlando Mistretta 1992-6-17 585 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  SD187331  Acourtia microcephala Valerie Soza, LeRoy Gross and Marisa Sripracha 2001-7-20 1360 Los Angeles Crest of Verdugo Mountains, Verdugo Lateral off Verdugo Mtwy. 822 Comment
  SD69688  Acourtia microcephala Robert F. Thorne, P. Everett 1965-6-22 34890 Los Angeles Santa Catalina Island; upper end of Avalon Canyon along road. 214 Comment
  CAS-BOT-BC133189  Adenostoma fasciculatum June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Islands - Summit Comment
  CATA536  Adenostoma fasciculatum Sara L. Crockett 1997-5-1 696 Los Angeles Santa Catalina Island: 0.2 mile W of jct. of Echo Lake Road (White's Landing Road) with Airport Road, SW side of road 463 Comment
  HSC18433  Adenostoma fasciculatum C. E. Fellows 1965-4-13 34 Los Angeles 2 mi. S of Hwy. 118 on Box Canyon Rd., Chatsworth Comment
Read comments
Oct 1 2014
  UC859039  Adenostoma fasciculatum Ezra C. Knopf 173 Los Angeles Santa Catalina Isl. Comment
  UCR186797  Adenostoma fasciculatum Gary Kovnat, LeRoy Gross 2003-4-5 36 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone Comment
  RSA85061  Adenostoma fasciculatum var. fasciculatum F. W. Peirson 1921-5-12 78 Los Angeles Toll Road to Mt. Wilson 762 Comment
  RSA610760  Adenostoma sparsifolium Katherine Kneen 1933-8-25 s.n. Los Angeles foot of Saddle Peak. Comment
  UCR142884  Adenostoma sparsifolium Katherine Kneen 1933-8-25 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., foot of Saddle Peak 732 Comment
  UCR191188  Adiantum aleuticum R. G. Swinney 1999-7-28 7590 Los Angeles San Gabriel Mtns., Clark Gulch, c. 75 m east of confluence with East Fork San Gabriel River Canyon 991 Comment
  RSA0092269  Adiantum capillus-veneris R. G. Swinney 2010-9-13 13818 Los Angeles San Gabriel Mountains: c. 0.6 miles west of Falling Springs along Hwy.39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA727271  Adiantum capillus-veneris R. G. Swinney 1998-5-30 6154 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  CAS-BOT-BC65635  Adiantum jordanii L. R. Abrams; I. L. Wiggins 1931-7-6 368 Los Angeles Vicinity of Mosquito Harbor Comment
  UCD137240  Adiantum jordanii Kenneth A. Wilson 1961-2-18 846 Los Angeles Calabasas. Santa Monica Mtns. Mulholland Hwy. Comment
  RSA602051  Ageratina adenophora Scott D. White 1997-5-7 5065 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. 320 Comment
  UCR150617  Ageratina adenophora Scott D. White 1997-5-8 5090 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  UCR205099  Ageratina adenophora R. G. Swinney 2008-4-11 8661 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA660088  Agoseris retrorsa Orlando Mistretta 1992-5-25 429 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  UCR194010A  Agoseris retrorsa R. G. Swinney 1999-5-22 7210 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  RSA577546  Agrostis exarata L. C. Wheeler 1936-7-2 4202 Los Angeles Big Dalton Canyon 457 Comment
  CATA3529  Ailanthus altissima Peter J. Dixon 2017-8-21 096 Los Angeles Santa Catalina Island: Channel side; Avalon, upper Metropole Ave, s side of road among residences, planted and naturalizing 0 Comment
  RSA595586  Ailanthus altissima Lauren Raz, Steve D. Boyd 1996-10-23 56 Los Angeles Liebre Mountains. Lake Hughes Road, just west of junction with Forest Service Road 6N24. 610 Comment
  RSA453110  Alchemilla occidentalis Louis Greata 1900-05 s.n. Los Angeles Garvanza Comment
  POM8029  Alchemilla occidentalis Philip A. Munz, R. D. Harwood 1920-3-13 3321 Los Angeles San Jose Hills, 1 mi. South of San Dimas. 305 Comment
  RSA603586  Alisma triviale L. C. Wheeler 1947-9-17 6630 Los Angeles Rio Hondo: at Rosemead Blvd. Comment
  RSA330754  Allium burlewii Wayne E. Sawyer 1980-6-25 s.n. Los Angeles San Gabriel Mts., Angeles National Forest: 200 NE of Little Jimmy Campground 2256 Comment
  RSA367071  Allium burlewii Albert J. Perkins 1918-6-26 s.n. Los Angeles Mt. San Antonio. 3049 Comment
  RSA128272  Allium haematochiton H. J. Thompson 1959-3-27 1882 Los Angeles Santa Monica Mountains: 0.5 mile east of peak, Saddle Peak. 701 Comment
Read comments
Jan 16 2017
  SEINET3884729  Allium haematochiton A. C. Sanders, Helen Kennedy 2005-4-13 29472 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons (Mint Canyon 7.5').; 0 457 Comment
  UCR147560  Allium haematochiton Valerie Soza, LeRoy Gross, Ian G. Gillespie 2000-5-18 941 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon 655 Comment
  UC1375431  Allium lacunosum Robert F. Thorne and C. W. Tilforth 1971-6-30 40777 Los Angeles Pinyon Flats 1.6 mi below Alder Saddle (along dry branch of S Fork of Little Rock Creek); San Gabriel Mts., Angeles National Forest, Little Rock Creek 1584 Comment
  JEPS104678  Allium monticola John L. Morrison 1937-6-17 2524 Los Angeles San Gabriel Mountains; along the trail 500 yds above junction of main trail (Mount Islip trail) and Big Cienega camp trail Comment
  POM263552  Allium monticola J. C. Roos 1937-7-16 636 Los Angeles Los Angeles - San bernardino counties. Mt. San Antonio 2744 Comment
  RSA367122  Allium praecox F. R. Fosberg 1931-4-10 689 Los Angeles Santa Catalina Island. Avalon Canyon 150 Comment
  SBBG125524  Allophyllum gilioides subsp. violaceum A. Parikh, N. Gale 2010-6-15 3289 Los Angeles upper Big Tujunga Cyn, 0.2 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1305 Comment
  RSA334149  Allophyllum glutinosum R. F. Thorne 1969-7-2 38204 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  RSA410085  Allophyllum glutinosum F. R. Fosberg 1931-4-24 S- 4691 Los Angeles Hamilton Canyon, Santa Catalina Island. 30 Comment
  RSA135189  Allophyllum glutinosum P. H. Raven 1960-5-15 15352 Los Angeles Junction of Piuma Road with Rambla Pacifica Road. 564 Comment
  HSC3406  Alnus rhombifolia C. E. Fellows 1965-8-22 117 Los Angeles Big Tujunga Canyon, end of Stonyvale Rd. Comment
  RSA651201  Alnus rhombifolia Longley 1948-2-13 s.n. Los Angeles San Dimas Canyon, 2 mi. N. of San Dimas. 274 Comment
  RSA0091159  Amaranthus albus R. G. Swinney 2011-6-30 15386 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  POM725  Amaranthus albus W. R. Shaw 1908-7-2 78 Los Angeles Claremont. 365 Comment
  RSA598663  Amaranthus albus L. C. Wheeler 1966-11-23 9147 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  RSA258356  Amaranthus deflexus C. W. Tilforth 1972-6-1 565 Los Angeles Weeds of Rancho Santa Ana Botanic Garden. Frequent in all soils and conditions. Comment
  RSA402988  Amaranthus deflexus E. S. Spalding 1922-11 s.n. Los Angeles Los Angeles. Comment
  SD69785  Amblyopappus pusillus Robert F. Thorne 1966-4-4 35766 Los Angeles Santa Catalina Island; near Ballast Point on east side of Catalina Harbor, Isthmus, on bank above tide level. Comment
  RSA603826  Ambrosia acanthicarpa Steve Boyd 1997-9-17 10040 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. 915 Comment
  CDA36028  Ambrosia confertiflora Kelly Volansky 2006-2-17 s.n. Los Angeles San Gabriel Valley; Montebello Hills, east of Montebello Blvd. near the Paramount Blvd. exit from Hwy 60. Comment
  POM155780  Ambrosia psilostachya M. B. Dunkle 1928-10-7 1997 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 152 Comment
  RSA189413  Ambrosia psilostachya L. S. Rose 1966-12-24 66115 Los Angeles Westwood Village. 122 Comment
  RSA415274  Amorpha californica H. L. Bauer 1932-4-25 15361 Los Angeles Near Topango [Topanga] P.O. Comment
Read comments
May 29 2014
  RSA582645  Amorpha californica Katherine Kneen 1933-5-14 s.n. Los Angeles Topanga Canyon. Comment
  RSA250643  Amorpha californica var. californica R. F. Thorne 1971-4-2 41415 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
Read comments
Sep 17 2008
  RSA0079993  Amsinckia intermedia R. G. Swinney 2009-3-13 10115 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel. 192 Comment
  SBBG37819  Amsinckia intermedia M. B. Dunkle 1939-4-6 7294 Los Angeles near Mosquito Harbor Comment
  RSA499947  Amsinckia intermedia M. B. Dunkle 1939-11-25 7359 Los Angeles San Clemente Island: Eagle Canyon. Comment
  SEINET10455814  Amsinckia menziesii David B. Dunn 1948-3-20 Dunn 3782 Los Angeles Along roadside about 1 block W of Grand Ave on Cypress Ave, about 1 mi NE of Covine. Comment
  RSA526536  Amsinckia spectabilis Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-7 4274 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR126651  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26120 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
  UCR193573  Amsinckia tessellata R. G. Swinney 1999-4-5 7057 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
  UCR214045  Amsinckia tessellata var. gloriosa A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37960 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  RSA571539  Amsinckia tessellata var. tessellata Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8304 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  RSA592278  Amsinckia tessellata var. tessellata L. C. Wheeler 1967-5-9 9401 Los Angeles Gleason Canyon, south of Aliso Canyon. 1006 Comment
  RSA648277  Anagallis arvensis Jami Liberi 1983-4-16 21 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  RSA68996  Anagallis arvensis F. W. Peirson 1921-02 s.n. Los Angeles Coldwater Canyon, Santa Monica Mts. Comment
  RSA609751  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1946-9-9 6367 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 0.5 mile E of Bear Creek 518 Comment
  UCR202503  Andropogon glomeratus var. scabriglumis Justin M. Wood 2008-11-25 255 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near road to Wildwood Picnic Area, on the north side of the road in the vicinity of spring 579 Comment
  UCR126351  Anemopsis californica A. C. Sanders 2003-8-6 27113 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCD137940  Anemopsis californica V. P. Osterli 1958-10-23 s.n. Los Angeles vicinity of Newhall. Comment
  CAS-BOT-BC64022  Anisocoma acaulis Geo. L. Mosley 1922-4-17 928 Los Angeles Antelope Valley Comment
  UCR181356  Anisocoma acaulis R. G. Swinney 1997-6-13 5594 Los Angeles San Gabriel Mtns, ridge NE of Table Mountain (peak 7473 ft.), c. 0.4 mi. west of San Bernardino Co. line 2195 Comment
  RSA189643  Antirrhinum coulterianum Noel Holmgren, James L. Reveal 1966-5-30 2612 Los Angeles San Gabriel Mountains, Tujunga Creek Canyon, 1/2 mile west of Wickiup Campground. 976 Comment
  UC1018206  Antirrhinum multiflorum J. Warren 1952-5-5 Los Angeles Mulholland Drive 457 Comment
  SBBG113118  Aphanes occidentalis S. A. Junak 1997-3-27 SCa 348 Los Angeles Avalon Cyn, along lower part of Hermit Gulch Trail 109 Comment
  RSA653740  Apiastrum angustifolium Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 897 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank. 487 Comment
  UCR190816  Arabis R. G. Swinney 1999-7-5 7506 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  RSA0126402  Arabis glabra var. glabra Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1344 Los Angeles La Crescenta Valley Park, near confluence of Verdugo Wash and Cunningham Canyon. 457 Comment
  UCR209525  Arabis platysperma var. platysperma R. G. Swinney 2008-7-3 9156 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  POM367172  Arbutus menziesii G. R. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson trail. 762 Comment
  RSA755896  Arceuthobium californicum R. G. Swinney 2008-7-25 9302 Los Angeles Twin Peaks, east peak. 2357 Comment
Read comments
Sep 27 2010
  SBBG47520  Arctostaphylos catalinae M. B. Dunkle 1929-2-10 2048 Los Angeles Bullrush Cyn Comment
  UCD50481  Arctostaphylos catalinae Robert F. Thorne; P. Everett 1965-5-11 34669 Los Angeles Near road to Hay Press; Santa Catalina Island. 457 Comment
  RSA626688  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15728 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA626739  Arctostaphylos glandulosa Tim Ross 1992-7-10 6642 Los Angeles Big Tujunga Canyon, 310 m east of where Coldwater Canyon meets Big Tujunga Creek. Just south of creek, east side of the road to Colby Ranch. 973 Comment
  RSA626769  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-6-20 11152 Los Angeles Dirt on road on north face of Verdugo Mountains. 650 Comment
  RSA626786  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20196 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626677  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-10-15 22076 Los Angeles Crystal Lake Recreation Area. San Gabriel Mtns. 1770 Comment
  UCR179487  Arctostaphylos glandulosa subsp. glandulosa R. G. Swinney, Dave Larson 1996-8-7 5235 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, northern 2/3 of west half of Brown's Flat 1305 Comment
  RSA621248  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1968-4-26 s.n. Los Angeles head of Rattlesnake Canyon at Santa Clara Divide Road 1409 Comment
  RSA631219  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21980 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA367293  Arctostaphylos glauca C. R. Parks 1963-2-16 140 Los Angeles At Smith Mountain saddle along upper Bear Creek Trail just west of Crystal Lake 1463 Comment
  RSA631414  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15603 Los Angeles Angeles Forest Highway, 1 km south of Hidden Springs Cafe. 850 Comment
  RSA631477  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16033 Los Angeles Ridge Route, 18 km south of Liebre Gulch turnoff. 900 Comment
  RSA631488  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15976 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631630  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15829 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  UCR258814  Arctostaphylos glauca R. G. Swinney 2010-5-25 12975 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR266198  Arctostaphylos glauca David J. Keil 1980-3-28 13739 Los Angeles San Gabriel Mtns., Lower Shake campground near Lake Hughes 1311 Comment
  RSA7618  Arctostaphylos parryana C. B. Wolf 1933-11-9 2017 Los Angeles Swartout Valley, between Wrightwood and Big Pines Park 1/2 mi. W of San Bernardino Co. line 1951 Comment
  UC1366115  Arctostaphylos parryana Jeannette L. Huber 1969-9-14 1036 Los Angeles c. 30 mi n Azusa; San Gabriel Mtns. 2286 Comment
  RSA634349  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1979-6-14 7412 Los Angeles Angeles Crest Highway about 1.4 km east of Singing Pines turnoff. 2000 Comment
  RSA634353  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Melanie Baer-Keeley 1992-10-10 22011 Los Angeles Pinyon Flats, San Gabriel Mountains. 1635 Comment
  RSA634710  Arctostaphylos parryana subsp. tumescens John Crandell, Jon E. Keeley 1992-4-5 15042 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1480 Comment
  RSA634782  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20342 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634914  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22061 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA635062  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20561 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  UCR143129  Arctotis stoechadifolia L. C. Wheeler 1933-6-24 1889 Los Angeles San Gabriel Valley, Alosta Avenue at Glendora Avenue, Glendora 229 Comment
  CHSC110177  Argemone munita Jane Tirrell; Graham Bothwell 2012-7-11 LS 0105 Los Angeles Transeverse Ranges; San Gabriel Mountains region: North side California State Route 2 approx. 200 m east of mile marker 67.86. Alt: 2308m/7587 ft. 2308 Comment
  RSA532659  Argemone munita Tim S. Ross 1991-8-14 5759 -B Los Angeles Roundtop Mountain. 1878 Comment
  CDA6801  Argyranthemum foeniculaceum R. E. Riefner Jr. 2007-3-1 07 -118 Los Angeles Palos Verdes Peninsula, Malaga Cove, Paseo del Mar Street at Palos Verdes Drive West. Comment
  RSA623964  Artemisia californica Arthur R. Kruckeberg 1939-2-11 s.n. Los Angeles In hills around Johnson's Lake, Pasadena Comment
Read comments
Oct 22 2014
  SD79018  Artemisia californica R. Mitchel Beauchamp 1967-1-27 105 Los Angeles San Clemente Island, east of Wilson Cove Comment
  SD85056  Artemisia californica E. R. Blakley 1962-1-7 4836 Los Angeles Santa Catalina Island, ocean bluff Comment
  SEINET11837820  Artemisia californica D. P. Reagan 5 Los Angeles Hasley Canyon. 2 mi NW of Valencia Comment
  CATA1517  Artemisia douglasiana Mark L. Hoefs, Steven A. Junak 1996-7-9 2735 Los Angeles Santa Catalina Island: By Lower Cape Canyon Reservoir, Cape Canyon 237 Comment
  UCR133737  Artemisia douglasiana F. R. Fosberg 1931-7-11 S- 5381 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 230 Comment
  CAS-BOT-BC90813  Artemisia nesiotica Reid Moran 1958-9-15 6833 Los Angeles Canyon 1.8 miles SE of Eel Point, San Clemente Island 100 Comment
  UCR239943  Artemisia tridentata R. G. Swinney 2009-11-16 11630 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
  UCR277252  Artemisia tridentata R. G. Swinney 2010-9-30 13943 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 2341 Comment
  SBBG13427  Arthrocnemum subterminale E. R. Blakley 1962-6-10 5221 Los Angeles Wilson Cove 6 Comment
  UCSB18313  Asclepias californica Mori, Dianna 1964-5-3 Los Angeles Old Ridge Road, 3 miles from State Highway 138 1127 Comment
  RSA314164  Asclepias eriocarpa W. Wisura 1983-8-4 3925 Los Angeles San Gabriel Mtns: Johnson's Pasture, Claremont. Comment
  UCR205246  Asclepias erosa R. G. Swinney 2005-8-15 8474 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, near headquarters 1463 Comment
  UCR206473  Asclepias fascicularis A. C. Sanders, T. B. Salvato 2009-5-19 36834 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  POM3650  Asclepias fascicularis Minnie Reed 1895-8-17 s.n. Los Angeles Pomona, Los Angeles County Comment
  RSA0104710  Asclepias vestita Orlando Mistretta 1995-6-1 1762 A Los Angeles San Gabriel Mountains. Carr Canyon. 1021 Comment
  CATA3474  Asparagus asparagoides Michael Thomas, Benjamin Dion, Nathalie Cartan 2017-9-18 001 Los Angeles Santa Catalina Island: Interior; under cedar tree downslope (west) of the Fox Hospital in Quail Valley 168 Comment
  LA94120  Aspidotis californica Lawrence L. Kiefer; 1966-3-27 1814 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  RSA686331  Aspidotis californica L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  UCR271663  Aspidotis californica R. G. Swinney 2011-3-26 14216 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
  RSA762140  Asplenium vespertinum Orlando Mistretta, Christine Mistretta 2008-5-15 3064 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  RSA417671  Aster greatae Fordyce Grinnell Jr. 1915-9-4 3119 Los Angeles Above Arroyo Seco-West Fork Divide. Comment
  CLARK-A1528-4913  Astragalus bicristatus John C. Roos 1937-5-31 491 Los Angeles San Gabriel Mountains Comment
  CAS-BOT-BC180490  Astragalus brauntonii Ernest Braunton 1907-5-7 1281 Los Angeles Sherman Comment
  SD113716  Astragalus didymocarpus Darley F. Howe 1948-5-3 1804 Los Angeles 1.5 miles south of Lancaster Comment
  OBI70598  Astragalus didymocarpus var. didymocarpus Steve Boyd, Lauren Raz 1997-3-31 9443 Los Angeles Liebre Mts Region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre mtn, T7N R17W NE 1/4 NE 1/4 sec 22 1158 Comment
  UCR223017  Astragalus didymocarpus var. dispermus R. G. Swinney 2009-5-5 10623 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  POM122284  Astragalus douglasii var. douglasii Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley Comment
  RSA415479  Astragalus douglasii var. douglasii W. Hutchinson 1921-5-1 s.n. Los Angeles Mt. Gleason Comment
  SD121758  Astragalus gilmanii Ralph Hoffman 1931-6-21 Los Angeles Mount Baldy, rocky slope Comment
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Jan 5 2012
  POM145515  Astragalus lentiginosus J. B. Feudge 1925-5-23 1133 Los Angeles Lancaster. 716 Comment
  UCR18027  Astragalus leucolobus George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain 1982 Comment
  RSA534126  Astragalus miguelensis T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5083 Los Angeles San Clemente Island: west Cove, SW of the new landing field 6 Comment
  SBBG131813  Astragalus nevinii S. A. Junak, B. Collins 1991-4-24 SCO 206 Los Angeles just S side of Eel Cove Cyn 30 Comment
  CAS-BOT-BC194062  Astragalus trichopodus var. lonchus I. Johnston 1917-6-10 1319 Los Angeles Near Mesmer Comment
  CAS-BOT-BC194072  Astragalus trichopodus var. lonchus Carl Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon Comment
  SD13185  Astragalus trichopodus var. lonchus Edith A. Purer 1935-5-11 6548 Los Angeles Malibu Road, Santa Monica Mts. Comment
  RSA0006878  Astragalus trichopodus var. lonchus R. C. Barneby s.n. Los Angeles Los Angeles and Ventura counties. Comment
  RSA0029480  Astragalus trichopodus var. lonchus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3026 Los Angeles Santa Catalina Island: Lower Fern Canyon. 195 Comment
  SBBG128376  Astragalus trichopodus var. lonchus M. L. Hoefs 1991-3-19 1003 Los Angeles Airport Rd 463 Comment
  UCR164072  Atriplex amnicola Carl Wishner, A. Gale 2005-8-12 2005/08/12.1- 39 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu Lagoon State Beach 3 Comment
  SBBG131636  Atriplex coulteri S. A. Junak 1999-9-10 SCa 1084 Los Angeles just S of Bulrush Cyn Trail 438 Comment
  UC1871063  Atriplex coulteri T. S. Ross, Janet Takara, Misty Gay 1993-4-20 6827 Los Angeles Channel Islands; Santa Catalina Island; Indian head Rock, SSw of, and overlooking, Little Harbor; Santa Catalina North USGS 7.5' quad; near 33 deg. 22'46''N 118deg. 28'41''W; ca 260 feet elevation 79 Comment
  CLARK-A1528-2536  Atriplex lentiformis subsp. breweri John C. Roos 1942-9-12 1724 Los Angeles Santa Monica 15 Comment
  RSA478305  Atriplex leucophylla Blanche Trask 1902-08 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SDSU5533  Atriplex leucophylla R. M. Beauchamp 1967-6-2 546 Los Angeles San Clemente Island. Comment
  SD40193  Atriplex leucophylla Edith A. Purer 1931-12-27 Los Angeles El Segundo Comment
  UCR274350  Atriplex leucophylla Steven A. Junak 1999-7-16 SCa- 1058 Los Angeles California Islands, Santa Catalina Island. Behind beach at north side of Cottonwood Canyon mouth 3 Comment
  SBBG72569  Atriplex polycarpa R. Hoffmann 1927-8-31 Los Angeles 2 mi W of Acton Comment
  UCR95550  Atriplex polycarpa Steve Boyd, Lauren Raz 1996-10-8 9022 Los Angeles Liebre Mountains, Bouquet Canyon, south of Vazquez Canyon and NW of Cruzan Mesa, along Vazquez Canyon Road, c. 0.9 mi east of jct with Bouquet Canyon Road 524 Comment
  RSA478354  Atriplex prostrata H. L. Bauer 1929-09 s.n. Los Angeles Long Beach 30 Comment
  SBBG72586  Atriplex rosea R. Hoffmann 1927-8-30 Los Angeles W of Castaic Comment
  UC557708  Atriplex semibaccata Nell Murbarger May, 1936 211 Los Angeles San Clemente Island San Clemente Island (over entire island) Comment
  UCR149855  Atriplex serenana var. serenana Scott D. White, Pam Devries 2004-6-14 10497 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  RSA199035  Avena barbata W. M. Gauntt 1966-3-31 121 Los Angeles 1 mile west of Cobal Canyon, north of Claremont. 427 Comment
  RSA714065  Avena barbata G. Ocampo 2006-3-19 1670 Los Angeles En los limites de Claremont con Upland, sobre la avenida Foothill, esquina con Montevista Ave. Claremont. Comment
  LA11010  Avena fatua W. S. L.; 1907-3-25 482 Los Angeles Garvanza Comment
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Jan 11 2015
  RSA250659  Avena fatua R. F. Thorne 1971-4-2 41421 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont 549 Comment
  RSA650446  Avena fatua E. S. Spalding 1948-5-2 s.n. Los Angeles Growing in open field 2 miles from Inglewood. 34 Comment
  RSA385397  Avena fatua Albert J. Perkins 1920-02 s.n. Los Angeles Street in western Los Angeles. Comment
  SEINET4342874  Avena fatua G. B. Grant 1901-1 86 Los Angeles Pasadena Comment
  RSA385413  Avena sativa F. R. Fosberg 1931-3-31 S- 4425 Los Angeles Avalon, Santa Catalina Island. Comment
  CAS-BOT-BC145796  Axonopus compressus Grace Cole Fleischman 1954-11-2 s.n. Los Angeles Pasadena. 145 Annandale Road. Comment
  CHSC35882  Baccharis emoryi James Henrickson 1973-1-1 8113 Los Angeles Santa Catalina Island, 2 air miles WNW of Avalon. Comment
  POM350330  Baccharis emoryi Anstruther Davidson 1893-5-28 2013 Los Angeles Long Beach Comment
  RSA0008315  Baccharis malibuensis Carl Wishner 1991-8-12 1993 Los Angeles Santa Monica Mountains, Malibu Creek drainage, known as Soka University, near former Spensley residence and Diamond X Ranch 244 Comment
  LA31674  Baccharis pilularis Peter H. Raven; 1959-10-4 14566 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 Comment
  RSA657105  Baccharis plummerae subsp. plummerae Carl Wishner 2000-10-13 3951 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot. 58 Comment
  LA94394  Baccharis salicifolia Harlan Lewis; 1940-2-24 1087 Los Angeles Santa Monica Mountains, Saddle Peak 609 Comment
  POM350360  Baccharis salicifolia Wm. Martin 1972-4-1 s.n. Los Angeles Gold Creek. Little Tujunga. Comment
  RSA127873  Baccharis salicifolia Peter H. Raven 1959-2-15 13792 Los Angeles Franklin Canyon 2.3 miles south of Mulholland Drive. 290 Comment
  RSA611982  Baccharis salicifolia Valerie L. Soza, Laura Moore 1997-8-16 59 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. [Coordinates given are] at center of BFS; ca. 10 feet east of fire road. 412 Comment
  SBBG31397  Baccharis salicifolia R. F. Thorne 1966-4-5 35836 Los Angeles Cottonwood Cyn 106 Comment
  SBBG39528  Baccharis salicifolia L. S. Rose 1969-12-30 69117 Los Angeles Franklin Cyn 213 Comment
  UC1515572  Baccharis salicifolia subsp. salicifolia Prof. Brewer 1861-2-3 171 Los Angeles San Gabriel Mountains; Camp 12 Comment
  UC64850  Baccharis salicifolia subsp. salicifolia N. K. Berg 1904-4-12 Los Angeles Los Angeles River Comment
  SBBG125927  Baccharis sarothroides A. Parikh, N. Gale 2010-5-27 3225 Los Angeles Sierra Pelona, 4.5 km W of State Hwy 14, 2 km SW of California Aqueduct; E Liebre Mtns 1000 Comment
  LA200297  Barbarea orthoceras Peter H. Raven; 1960-5-29 15448 Los Angeles 792 Comment
  RSA439752  Batis maritima Anstruther Davidson 1899-08 2027 Los Angeles Pacific shore, Santa Catalina Island. Comment
  RSA720153  Berberis nevinii LeRoy Gross 2007-4-6 2630 Los Angeles Southern front of the range: Wildwood Canyon. Area where the road drains into a debris dam, and parking area for one of the trails that climb to the crest of the range. 499 Comment
  IRVC28713  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25258 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  UCR222765  Berula erecta R. G. Swinney 2009-5-8 10700 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SD252317  Beta vulgaris subsp. maritima Steven A. Junak 1999-7-16 Sca 1041 Los Angeles Santa Catalina Island: Deer Valley Reservoir, E of Two Harbors. 164 Comment
  JEPS21653  Bidens pilosa J. H. Thomas 1957-11-13 6971 Los Angeles near Colorado St. and Lake Ave. (Pasadena); Pasadena Comment
  RSA258371  Bidens pilosa C. W. Tilforth 1974-12-24 976 Los Angeles [No locality information] Comment
  UCSB71759  Bituminaria bituminosa White, Scott 2003-10-22 Los Angeles San Gabriel Mountains: foothills above Sierra Madre; Los Angeles Dept. of Public Works "Sierra Madre" Debris Basin; northern terminus of Sumac St.; T1N R11W S16, NW1/4 366 Comment
  RSA652075  Bloomeria crocea Bob Cochrane 1948-5-11 sn Los Angeles Found in Claremont on the Mt. Baldy Road. 304 Comment
  RSA367445  Bloomeria crocea var. crocea Albert J. Perkins 1916-5-3 s.n. Los Angeles Lower end of Mt. Wilson Trail Comment
  RSA611105  Boechera californica L. C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2011 Comment
  RSA680204  Boechera californica Valerie Soza, Sarah J. De Groot 2003-6-11 1659 Los Angeles San Gabriel Mountains: Praire Fork, southeast of Cabin Flat. 1799 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
  CAS-BOT-BC30967  Bolboschoenus maritimus Joseph Cook (Rev.) Nevin 1904-5-1 s.n. Los Angeles Los Angeles River. Comment
  LA34164  Bolboschoenus robustus Peter H. Raven; 1959-9-6 14372 Los Angeles 6 Comment
  SEINET8466969 Image available Boschniakia strobilacea J. Henrickson 1971-7-3 5648 Los Angeles 12 air mi N of Upland, 1/2 mi NW of top of ski lift along Devils Backbone Ridge. Comment
  RSA187848  Bowlesia incana R. F. Thorne 1966-4-5 35819 Los Angeles Santa Catalina Island. Along small stream in Middle Ranch Canyon below Stage Station SW of Eagles Nest. 76 Comment
  SBBG70952  Boykinia rotundifolia Anstruther Davidson 1893-1 Los Angeles Rock Crk Comment
  UCR272516  Boykinia rotundifolia R. G. Swinney 2011-10-27 15934 Los Angeles San Gabriel Mountains, 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway 634 Comment
  RSA466774  Boykinia rotundifolia Thekla Mohr 1951-1 s.n. Los Angeles San Gabriel River. Comment
  UCR223522  Brassica geniculata R. G. Swinney 2009-6-17 11226 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR126826  Brassica nigra A. C. Sanders 2003-6-19 26976 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  LA32272  Brassica rapa Peter H. Raven; Henry J. Thompson 1959-10-31 14717 Los Angeles 304 Comment
  POM307806  Brassica rapa Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2754 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA482913  Brassica rapa Ora M. Clark 1929-1-13 1470 Los Angeles N of San Pedro. Comment
  CAS-BOT-BC100419  Brickellia californica Le Roy Abrams 1900-8-10 855 Los Angeles San Gabriel [Canon] Canyon Comment
  CAS-BOT-BC100425  Brickellia californica Wesley Griesel 1962-9-14 738 Los Angeles State Hwy #2 between Islip Saddle & Dawson Saddle, San Gabriel Mts. 2133 Comment
  LA203090  Brickellia californica Harlan Lewis; 1940-12-7 sn Los Angeles San Gabriel Mountains, Angeles Crest Highway 1066 Comment
  RSA0105000  Brickellia californica R. G. Swinney 2011-10-25 15865 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  UC472354  Brickellia californica D. L. Crawford 1915-10-27 507 Los Angeles mts. near Claremont Comment
  CAS-BOT-BC106142  Brickellia nevinii Timothy S. Ross; J. Mark Porter 1995-5-4 8476 Los Angeles Texas Canyon - ca 3.6 road miels NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle - Liebre Mountains 682 Comment
  JEPS30503  Brickellia nevinii Peter H. Raven and Henry J. Thompson 1959-10-31 14723 Los Angeles 5.8 mi n of Sunset Boulevard (Mandeville Canyon, Santa Monica Mountains); Santa Monica Mountains, Mandeville Canyon 365 Comment
  RSA675711  Brickellia nevinii Scott D. White 2000-10-22 8138 Los Angeles San Antonio Canyon north of Shinn Rd. (=Mountain Ave.) crossing 793 Comment
  SBBG66104  Brickellia nevinii R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UC135469  Brickellia nevinii C. F. Baker 1903-10-10 3731 Los Angeles near Claremont (San Antonio Canon); San Antonio Canon Comment
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Apr 8 2014
  UC52244  Brickellia nevinii Louis A. Greata 1903-8-31 331 Los Angeles above Sherman, Santa Monica Range Santa Monica Range Comment
  CATA3066  Briza minor Amy Catalano, Steven Junak 2016-4-28 093 Los Angeles Santa Catalina Island: Just northeast of entrance to Howland's Landing 17 Comment
  UCR20415  Briza minor Edwin Kline 1920-6-1 s.n. Los Angeles Los Angeles 152 Comment
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Mar 8 2011
  SEINET10570590  Brodiaea capitata F. R. Fosberg 1931-3-25 Fosberg 54369 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. Grassy S wall. Upper Sonoran Zone. 50 Comment
  CLARK-A1703-1211  Brodiaea lutea Charlotte Stocks 1962-6-14 Los Angeles Pomona Comment
  POM364038  Bromus Robert M. Perkins 1936-2-23 95 Los Angeles Los Angeles. Comment
  CAS-BOT-BC149339  Bromus arizonicus Geo. B. Grant 1902-5-1 117 Los Angeles Pasadena. Comment
  POM363996  Bromus berteroanus George B. Grant 1905-4-15 779 Los Angeles Pasadena. Comment
  RSA385307  Bromus carinatus Anonymous 1914-6-29 s.n. Los Angeles Inglewood. 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
  POM364001  Bromus catharticus Louis Greata 1901-09 s.n. Los Angeles Arroyo Seco. Comment
  UCD58343  Bromus catharticus Gordon Pilone 1960-11-23 66 Los Angeles First orange grove north of Foothill Blvd. on Indian Hill Blvd. in Claremont. San Gabriel Mountain Range. 390 Comment
  CATA739  Bromus diandrus Mark L. Hoefs 1991-5-22 1264 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  LA33364  Bromus diandrus Peter H. Raven; Henry J. Thompson 1959-5-5 14110 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  RSA660798  Bromus grandis LeRoy Gross, Valerie Soza 2001-6-6 430 Los Angeles Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  SD50765  Bromus grandis Darley F. Howe 1959-6-21 2720 Los Angeles 4.8 miles west of Camp Baldy, roadside. 1372 Comment
  POM363865  Bromus hordeaceus S. F. Patton 1914-4-19 7 Los Angeles Los Angeles. Comment
  RSA599454  Bromus hordeaceus Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9495 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat. 793 Comment
  UCR153564  Bromus hordeaceus A. C. Sanders, T. B. Salvato 2005-4-26 29723 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  UCR191705  Bromus hordeaceus A. C. Sanders 2008-4-11 34871 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  LA13691  Bromus hordeaceus A. M. Johnson; 1932-4-8 3935 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  SEINET179710 Image available Bromus hordeaceus subsp. molliformis F. G. Mart 1934-4-10 12537 Los Angeles Culver City , LA Co. Calif Comment
  CATA1124  Bromus madritensis subsp. rubens Mark L. Hoefs 1995-5-23 2091 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  LA35612  Bromus madritensis subsp. rubens A. K. Khudairi; 1951-5-16 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  RSA594983  Bromus rubens Mark Hoefs, R. F. Thorne 1992-4-1 1735 Los Angeles Santa Catalina Island: past isthmus, just before Emerald Bay. 15 Comment
  SBBG38839  Bromus rubens M. B. Dunkle 1939-4-4 7256 Los Angeles Pyramid Cove Comment
  UCD59579  Bromus rubens A. A. Beetle 1942-4-18 3081 Los Angeles Foothill Blvd., 13 miles south of Pasadena. Comment
  OBI35716  Bromus sterilis Rebecca Cicoria 1981-4-23 1 Los Angeles Palos Verdes Peninsula: in Upper Altamira Cyn, Rolling hIlls Comment
  RSA0019969  Bromus tectorum P. H. Raven, H. J. Thompson 1959-5-5 14109 Los Angeles Mullholand Highway 1 mile W of Las Virgenes Road; Malibu Creek drainage. 274 Comment
  RSA0019947  Bromus tectorum R. F. Thorne 1971-5-18 41368 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  RSA0019954  Bromus tectorum Michael Horn 1991-5-7 34 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site 1463 Comment
  RSA764417  Caesalpinia gilliesii Justin M. Wood 2009-8-18 1250 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UCR272365  Caesalpinia gilliesii Mia Rochford 2016-4-30 02 Los Angeles W Transverse Range; eastern Santa Monica Mtns., Griffith Park in Los Angeles, c. 0.5 mile into park on N Vermont Canyon Rd., hiking trail on east side of road 277 Comment
  CAS-BOT-BC234000  Calandrinia breweri Dr. H. E. Hasse 1909-1-1 s.n. Los Angeles Santa Monica Range Comment
  POM199150  Callitriche marginata L. C. Wheeler 1933-4-9 1630 Los Angeles La Verne (Damar Sta.) 274 Comment
  SEINET13386992 Image available Calocedrus decurrens R. G. Swinney 2011-1 15947 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  UCR270250  Calocedrus decurrens R. G. Swinney 2011-10-10 15769 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UC961191  Calochortus albus Henry J. Thompson 1951-5-13 1474 Los Angeles near Cornell (Triunfo Canyon, at mouth of Lobo Canyon, w Los Angeles Co.); Santa Monica Mts., Triunfo Pass Quad. 243 Comment
  CAS-BOT-BC492128  Calochortus albus Geo. B. Grant 1904-6-16 s.n. Los Angeles Pasadena; Millard Canyon Lake Comment
  LA22337  Calochortus catalinae Carl Epling; 1926-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
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Apr 22 2014
  RSA377295  Calochortus catalinae Thomas Moore 1947-5-3 3 Los Angeles Topanga Canyon, Comment
  RSA68671  Calochortus catalinae Frank W. Peirson 1920-5-16 2146 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 457 Comment
  RSA680328  Calochortus clavatus Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9607 Los Angeles Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 396 Comment
  SBBG110996  Calochortus clavatus A. Parikh, N. Gale 1998-5-28 LA- 4 Los Angeles N of Triunfo Cyn Rd, near intersection with Kanan Rd, S of Agoura Hills 270 Comment
  RSA0050038  Calochortus clavatus Wendy Boes, Kevin McCrummen 2009-5-25 2009 -017 Los Angeles Western Transverse Ranges; Sierra Pelona Ridge off Forest Rd. 6N07 1036 Comment
  RSA229003  Calochortus palmeri var. palmeri Robert F. Thorne, C. W. Tilforth 1971-6-30 40819 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek 1.8 miles below Alder Saddle in Pinyon Flats area, 1555 Comment
  RSA582917  Calochortus palmeri var. palmeri Mark Elvin, Orlando Mistretta 1995-5-8 6 Los Angeles Devil Punch Bowl. Comment
  UC1925790  Calochortus plummerae Naomi Fraga, LeRoy Gross, Sarah J. De Groot, Paul Morton 2004-6-3 1236 Los Angeles Transverse Ranges; San Gabriel Mountains region: On fuel break above Evey Canyon. Comment
  UCR147544  Calochortus plummerae Naomi Fraga, LeRoy Gross, Sarah De Groot, Paul Morton 2004-6-3 1240 Los Angeles Transverse Ranges; San Gabriel Mountains, Along the Barrett Stoddard Road (2N04) between Cascade and Barrett Canyon 1341 Comment
  POM181827  Calochortus venustus C. L. Hitchcock 1928-5-27 s.n. Los Angeles Road to Mt. Pinos, 1 mile W of junction with Ridge Route. 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
  UCR281987  Calycoseris parryi R. G. Swinney 2014-4-18 16118 B Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  UCR273191  Calyptridium monandrum R. G. Swinney 2011-7-8 15490 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA0073611  Calystegia macrostegia R. G. Swinney 2010-4-23 12335 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR280685  Calystegia macrostegia R. G. Swinney 2014-5-27 16673 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  RSA422196  Calystegia macrostegia subsp. amplissima F. H. Elmore 1939-2-18 396 Los Angeles San Clemente Island. Comment
  RSA595676  Calystegia malacophylla subsp. pedicellata T. S. Ross, Victor W. Steinmann 1995-5-8 8545 Los Angeles Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 916 Comment
  UCR205601  Calystegia peirsonii R. G. Swinney 2008-5-13 8853 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  RSA729727  Camissonia R. G. Swinney 1999-6-18 7329 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  POM49671  Camissonia bistorta L. R. Abrams 1901-4-1 1232 Los Angeles Ballona Harbor. Comment
  POM32003  Camissonia bistorta C. F. Baker 1903-4-1 4119 Los Angeles Claremont. Comment
  RSA0070369  Camissonia californica R. G. Swinney 2010-3-30 12119 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meers west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA466157  Camissonia californica E. S. Spalding 1923-5-23 s.n. Los Angeles Santa Monica Mountains, Laurel Canyon. Comment
  SFV2525  Camissonia campestris K. A. Wilson 1962-5-12 1267 Los Angeles Mojave Desert Antelope Valley. 2 miles west of Littlerock on Highway 138. 850 Comment
  UCR149894  Camissonia campestris R. G. Swinney 1999-6-18 7312 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  RSA586067  Camissonia claviformis subsp. claviformis Orlando Mistretta, Christine Mistretta 1995-5-2 1663 A Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  RSA244395  Camissonia confusa Robin S. Collins 1973-5-15 279 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  RSA186750  Camissonia hirtella Peter H. Raven 1960-5-15 15369 Los Angeles Piuma Road 5.1 miles north-west of Rambla Pacifica [Rd]. Santa Monica Mountains. 213 Comment
  RSA775516  Camissonia intermedia Orlando Mistretta, Christine Mistretta 2010-5-20 5177 Los Angeles Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  RSA596169  Camissonia pallida subsp. pallida Louis C. Wheeler 1967-5-12 9441 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA449233  Camissonia pallida subsp. pallida Robert Gustafson, Christopher Davidson 1977-4-20 420 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  RSA755935  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-9 2403 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  RSA0107284  Camissonia strigulosa R. G. Swinney 2011-5-10 14659 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch. 573 Comment
  RSA0110196  Camissoniopsis Richard G. Swinney 2011-5-16 14722 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  LA46698  Camissoniopsis bistorta Virginia Mars; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume Comment
  SDSU8602  Camissoniopsis bistorta A. H. Gallup 1948-3-27 126 Los Angeles Claremont-open fields. 366 Comment
  UC1211073  Camissoniopsis bistorta Huron H. Smith 1912-5-3 4915 Los Angeles Azusa 243 Comment
  UC1250439  Camissoniopsis ignota Isabelle Tavares and Valera Brinson 1962-4-16 263 Los Angeles Bouquet Canyon Rd 3 mi s Bouquet Canyon Guard Station Comment
  SBBG61351  Camissoniopsis pallida R. Hoffmann 1929-4-27 Los Angeles Little Rock Dam Comment
  UCR282483  Capsella bursa-pastoris Dan S. Cooper 2017-2-11 217- 01 Los Angeles Los Angeles, Griffith Park, Toyon Landfill 300 Comment
  RSA498155  Cardamine californica var. californica Fordyce Grinnell Jr. 1910-3-19 1912 Los Angeles Arroyo Seco Canyon San Gabriel Mts. 609 Comment
  RSA0087087  Carduus pycnocephalus R. G. Swinney 2010-5-4 12563 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA723070  Carduus pycnocephalus LeRoy Gross 2007-5-16 2738 Los Angeles Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near 273 Comment
  RSA0110787  Carex Richard G. Swinney 2010-9-30 13921 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
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Sep 12 2018
  UCR277015  Carex R. G. Swinney 2010-9-30 13921 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
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Sep 12 2018
  UCR270846  Carex alma R. G. Swinney 2011-6-29 15358 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA656239  Carex barbarae Joseph M. Keefe 1977-6-11 22095 Los Angeles Verdugo Mountains; Glendale. South fork of Engleheard Canyon, one Km west of Elinita Ave. Camp Max Straus. 427 Comment
  UC837149  Carex schottii I. M. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4613 Los Angeles Bouquet Canyon 450 Comment
  RSA589146  Carex senta Orlando Mistretta 1994-5-13 1193 Los Angeles San Gabriel Mts; Little Rock Creek; slopes E of creek opposite confluence with Kitter Canyon 1067 Comment
  POM122918  Carex triquetra Marcus E. Jones 1926-5-20 s.n. Los Angeles Claremont. Comment
  UCR58758  Carex tumulicola F. C. Boutin 1967-4-23 1690 Los Angeles Channel Islands, east side of San Clemente Island, next major drainageway & canyon SE of Lemon Tank Comment
  UC7690  Carpobrotus chilensis J. H. Barber 1897-1-26 22 Los Angeles Southern Santa Monica Comment
  UCD122179  Castilleja affinis Kenneth A. Wilson 1961-3-7 945 Los Angeles Santa Monica Mtns. Mulholland Hwy about 3 miles west of Las Virgenes Road. Comment
  RSA425881  Castilleja affinis subsp. affinis L. E. Hoffman 1927-7-10 s.n. Los Angeles Swartout Canyon, Big Pines. Comment
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Jan 4 2012
  UCSB21076  Castilleja affinis subsp. affinis Nitta, E. 1967-5-19 Los Angeles On south side of Bouquet Canyon Rd; 23 mi. east of jct. with Henry Way; San Gabriel Mtns 990 Comment
  RSA729456  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6326 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  SFV17586  Castilleja applegatei subsp. martinii J. N. Hogue, L. H. Hogue 1998-7-2 116 .1 Los Angeles San Gabriel Mountains Granite Mountain. Roundtop campground. 1951 Comment
  UC1409131  Castilleja applegatei subsp. martinii Robert F. Thorne and C. W. Tilforth, et al. 1972-6-29 42085 Los Angeles Summit of Table Mountain San Gabriel Mts., Angeles National Forest, Table Mountain (above Big Pines) 2286 Comment
  SEINET13772812  Castilleja exserta E. Braunton 1902-1 411 Los Angeles North Pomona. Comment
  SDSU10852  Castilleja exserta Gerald Collier 1951-4-7 Los Angeles At Point Dume, about 2 miles W of US Hwy 101. Comment
  CATA484  Castilleja exserta subsp. exserta Sara L. Crockett, Steve Junak, Mark Hoefs, Janet Takara 1997-3-28 626 Los Angeles Santa Catalina Island: N side of Cherry Harbor, overlooking harbor, ca. 60 m upslope 74 Comment
  LA82062  Castilleja exserta subsp. exserta O. H. Kappler; 1944-3-26 558 Los Angeles 9 Comment
  UC27248  Castilleja exserta subsp. venusta J. Burtt Davy May 9 1896-May 24 1896 2653 Los Angeles between Manzana and Gorman's; Antelope Valley Comment
  RSA0019858  Castilleja gleasoni Orlando Mistretta, Christine Mistretta 2011-6-29 5770 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, near microwave tower 0.5 miles SE of summit. 1945 Comment
  IRVC26134  Castilleja miniata B. C. Templeton 1932-7-20 5009 Los Angeles Big Pines Park, Angeles National Forest San Gabriel Mtns. 1982 Comment
  RSA522458  Castilleja minor subsp. spiralis Tim S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4046 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  UC1595329  Castilleja minor subsp. spiralis Tim Ross and Orlando Mistretta 1992-7-24 6768 Los Angeles 900 m ene (76 degrees ene) Strawberry Peak summit (vicinity of Strawberry Spring); San Gabriel Mts., Strawberry Spring 1460 Comment
  UCR186596  Castilleja minor subsp. spiralis T. B. Salvato, Sarah Flack 2007-8-8 3034 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  UCR259148  Castilleja minor subsp. spiralis R. G. Swinney 2010-6-23 13362 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
  POM308474  Castilleja minor subsp. spiralis Henry J. Ramsey, Henry J. Ramsey 1937-9-2 3097 Los Angeles Angeles Crest Highway, Johnny Canyon. Comment
  RSA607685  Caulanthus amplexicaulis var. amplexicaulis Scott D. White 1997-6-29 5399 Los Angeles Mt. Baldy Village Area: San Antonio Canyon below San Antonio Falls, and along trail/road access rt. 1921 Comment
  JEPS31684  Caulanthus coulteri W. L. Jepson 1935-4-17 17070 Los Angeles Portal Ridge between Leonis Valley and Mojave Desert; Portal Ridge btwn Leonis Valley and Mojave Desert Comment
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Aug 2 2007
  RSA0088466  Caulanthus coulteri var. coulteri Mitch Provance, Callen Huff 2009-4-29 10690 Los Angeles Tehachapi Mountains: Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman. 1230 Comment
  SBBG20509  Caulanthus lasiophyllus E. R. Blakley 1963-12-8 6399 a Los Angeles cyn head above Mosquito Cove and between Triangulation Pts Malo and Chenity Comment
  SEINET13946229 Image available Ceanothus Kay Raeder 1954-1 60 Los Angeles Claremont city limits; 1100 ft alt. 335 Comment
  CAS-BOT-BC48738  Ceanothus crassifolius Vernon Bailey 1907-10-29 s.n. Los Angeles Fernando Comment
  RSA398861  Ceanothus crassifolius L. E. Hoffman 1932-3-8 16303 Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  RSA517129  Ceanothus crassifolius Tim S. Ross, S. D. Boyd 1990-5-14 2498 Los Angeles Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District 1122 Comment
  SBBG15979  Ceanothus crassifolius var. crassifolius W. G. Webb 1935-1-13 Los Angeles Eagle Rock Comment
  UCR100057  Ceanothus cuneatus R. G. Swinney 1969-3-21 311 Los Angeles Sab Gabriel Mtns. Foothills/San G. Valley, West side of Junction of Sierra Madre Ave. and Vernon Ave., Azusa 206 Comment
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Sep 17 2010
  RSA399027  Ceanothus cuneatus var. cuneatus L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  RSA0016929  Ceanothus integerrimus Kelly Middleton, David Middleton 1988-5-8 37 Los Angeles Glendora Ridge Road, 5.7 miles west of Mt. Baldy Road intersection. Roadside collection. 1220 Comment
  CAS-BOT-BC50561  Ceanothus leucodermis H. E. McMinn 1924-8-4 1249 Los Angeles Huntington Drive near Pasadena Comment
  POM293091  Ceanothus leucodermis Lyman Benson 1946-4-10 12009 Los Angeles Claremont. 351 Comment
  SFV16788  Ceanothus megacarpus J. D. Dilley 1997-1-17 s. n. Los Angeles Santa Monica Mountains Studio City. 0.5 miles down Betty Dearing Trail on Mulholland Drive west of Laurel Canyon Drive. 610 Comment
  CAS-BOT-BC51440  Ceanothus megacarpus var. megacarpus Robert F. Thorne; Reed Rollins; Doug Propst; R. Carolin 1967-3-18 36733 Los Angeles Santa Catalina Island: Salta Verde, approx. N of Salta Verde Pt. 365 Comment
  SD69735  Ceanothus megacarpus var. megacarpus Robert F. Thorne 1966-4-29 36311 Los Angeles Santa Catalina Island: in chaparral on eroded, clayey, dry hillside below road to White's Landing above turn-off to Echo Lake. 410 Comment
  UC1070874  Ceanothus megacarpus var. megacarpus P. L. Johannsen 1934-1-11 220 Los Angeles Las Flores Canyon 152 Comment
  RSA656269  Ceanothus oliganthus Bill McKinley 1976-4-18 5 Los Angeles Verdugo Mountains: 10 yards west of intersection of Fire Roads 890 yards up Beaudry Fire Road west of Beaudry Blvd., vicinity Oakmont Country Club, Glendale. 402 Comment
  UC1070908  Ceanothus oliganthus var. oliganthus A. D. Gifford 1935-5-8 676 Los Angeles 2 mi ne Whitaker Peak; Tejon quad., Angeles National Forest 1066 Comment
  UC775005  Ceanothus oliganthus var. oliganthus Carl B. Wolf 1941-8-2 11134 Los Angeles 2.7 mi s Frenchman Flats Forest Service Camp; Liebre Mts. Comment
  IRVC27959  Ceanothus tomentosus Mark A. Elvin 2003-8-13 2987 Los Angeles Newhall Ranch, Santa Clara River at the mouth of Long Canyon Santa Clarita Valley 274 Comment
  SEINET11736959  Cedrus atlantica Unknown 1946-1 s.n. Los Angeles Pasadena Comment
  UCR48952  Cenchrus echinatus A. C. Sanders 1987-10-13 7425 Los Angeles Southern coast, El Segundo Dunes west of Los Angeles International Airport and Peshing Drive 38 Comment
  UCR281287  Centaurea melitensis R. G. Swinney 2014-5-8 16471 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
  LA31699  Centaurea melitensis Peter H. Raven; Henry J. Thompson 1959-5-5 14112 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd 274 Comment
  LA202432  Centaurea solstitialis Arthur C. Gibson; 2004-7-12 5080 Los Angeles Comment
  RSA591065  Centaurium venustum J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10921 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
  RSA705966  Centaurium venustum subsp. venustum M. Wall, Katie Sims 2005-6-9 394 Los Angeles Rancho Santa Ana Botanic Garden native to site in plant communities section D-13. Comment
  UC1234768  Centranthus ruber Peter H. Raven 1962-5-20 17764 Los Angeles on Pebbly Beach Road on bluffs just e Avalon (Santa Catalina Island); , on Pebbly Beach Road Comment
  CAS-BOT-BC179816  Centrostegia thurberi Victor Duran 1933-5-23 3417 Los Angeles Near Lancaster Comment
  PASA1216  Cercocarpus betuloides Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  CAS-BOT-BC142105  Cercocarpus betuloides var. betuloides C. F. Baker 1903-8-2 3441 Los Angeles San Antonio Canyon near Claremont Comment
  LA52111  Cercocarpus betuloides var. betuloides C. & M. Epling; 1925-4-25 Los Angeles Santa Monica Mountains, Griffith Park Comment
  UC859429  Cercocarpus betuloides var. betuloides Ira W. Clokey, B. Templeton July 1929 4596 Los Angeles Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 300 Comment
  SBBG95471  Cercocarpus betuloides var. blancheae M. B. Dunkle 1929-3-3 2057 Los Angeles Hamilton Cyn Comment
  RSA449450  Cercocarpus ledifolius Anstruther Davidson 1906-6-1 s.n. Los Angeles Rock Creek Comment
  RSA208928  Cercocarpus traskiae Theadore H. Mortenson 1967-5-18 1517 Los Angeles Santa Catalina Island. 1 m above Wild Boar Gully (Cercocarpus Arroyo) 168 Comment
  CAS-BOT-BC279511  Chaenactis artemisiifolia F. Grinnell Jr. 1910-6-22 s.n. Los Angeles Switzers Trail, San Gabriel Mts. 1066 Comment
  CAS-BOT-BC279522  Chaenactis artemisiifolia Moxley 1915-5-31 343 Los Angeles Sturtevant Trail, San Gabriel Mts Comment
  CAS-BOT-BC279530  Chaenactis artemisiifolia Geo. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  UCR256184  Chaenactis artemisiifolia R. G. Swinney 2010-6-4 13070 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA585335  Chaenactis fremontii Timothy S. Ross 1991-4-27 4723 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  UCD168220  Chaenactis glabriuscula 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
  CAS-BOT-BC277351  Chaenactis glabriuscula var. glabriuscula A. J. McC. 1893-5-20 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC277523  Chaenactis glabriuscula var. lanosa I. Johnston 1917-4-28 1933 Los Angeles Wash west of Upland 365 Comment
  RSA524623  Chaenactis santolinoides Timothy S. Ross, Steve Boyd 1990-5-17 2592 Los Angeles Mill Creek Tree Plantation, Tujunga District, Angeles National Forest 1613 Comment
  RSA600071  Chaenactis santolinoides Steve Boyd, Lauren Raz 1997-5-20 9826 Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1676 Comment
  RSA741139  Chaenactis santolinoides Naomi Fraga, Duncan S. Bell 2008-6-30 2295 Los Angeles Summit of Mount Baden-Powell 2835 Comment
  RSA0014577  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2011-6-18 5723 Los Angeles Kentucky Springs Cyn, Near Angeles Forest Hwy 2.0 miles S of Southern California Edison substation at Vincent. 1090 Comment
  CAS-BOT-BC279724  Chaenactis xantiana Timothy S. Ross 1995-4-26 8378 a Los Angeles Liebre Mountains. Southwesterly slope of Liebre Mountain along Forest Service Road 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft.) 1444 Comment
  RSA0117574  Chaenactis xantiana A. C. Sanders 2008-4-10 34787 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  RSA592287  Chaenactis xantiana L. C. Wheeler 1967-5-12 9422 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UC126734  Chamaesyce maculata Geo. B. Grant 1905-9-2 6417 Los Angeles Pasadena Comment
  RSA432393  Chamaesyce melanadenia Jack Rempel 1934-4-19 s.n. Los Angeles Griffith Park. Comment
  RSA498538  Chamaesyce melanadenia L. S. Rose 1934-12-26 34521 Los Angeles Rocky slopes. San Gabriel Mts. Comment
  RSA607623  Chamaesyce melanadenia L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: West side of divide between Little Tujunga and Ebey Canyon, along road. 640 Comment
  UC519728  Chamaesyce melanadenia Joseph Andorfer Ewan 1932-5-10 7460 Los Angeles above Verdugo Hacienda; Verdugo Canyon Comment
  RSA628321  Chamaesyce serpens L. C. Wheeler 1970-8-1 s.n. Los Angeles NW corner of Olympic and Soto St. Los Angeles. Comment
  CDA2727  Chasmanthe floribunda Michael O Brien 2003-2-16 s.n. Los Angeles El Pescador State Beach in Malibu. 0 Comment
  RSA640938  Cheilanthes covillei L. C. Wheeler 1967-8-9 10407 Los Angeles San Gabriel Mts., Angeles National Forest: SE side Mt. Waterman, headwaters of Little Bear Creek 2286 Comment
  SEINET3153755  Cheilanthes intertexta L. T. Stephenson sn Los Angeles Chat. [perhaps Chatsworth in Los Angeles Co.?] Comment
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Dec 17 2016
  UCR189868  Chenopodium R. G. Swinney 1998-7-21 6485 Los Angeles San Gabriel Mtns., 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
  SFV7059  Chenopodium T. Gordon, M. H. Grayum 1974-9-11 657 Los Angeles San Fernando Valley Los Angeles, Northridge. Paggi's cornfield on Zelzah near Lassen, CSUN campus. Comment
  RSA0114713  Chenopodium berlandieri R. G. Swinney 2011-10-25 15878 Los Angeles San Gabriel Mountains; south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  UCR125139  Chenopodium berlandieri A. C. Sanders, Mark Elvin 2002-6-25 25267 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
  UCR271130  Chenopodium berlandieri R. G. Swinney 2011-10-10 15742 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  CATA1091  Chenopodium californicum Mark L. Hoefs 1995-5-16 2041 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  RSA771643  Chenopodium californicum R. G. Swinney 2009-5-13 10796 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR50999  Chenopodium californicum A. C. Sanders, E. J. Lawlor 1988-4-3 7743 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA639738  Chenopodium californicum L. C. Wheeler 1969-4-20 s.n. Los Angeles San Gabriel Mountains: 1/4 mile east Barrel Springs 899 Comment
  UC1584269  Chenopodium desiccatum Tim Ross and Steve Boyd 1990-6-6 2850 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quad, San Francisquito Canyon 926 Comment
  UCR270114  Chenopodium fremontii R. G. Swinney 2010-9-9 13800 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  SEINET5765063 Image available Chenopodium multifidum Unknown 1904-1 1133 Los Angeles Pasadena Comment
  RSA596913  Chenopodium murale T. S. Ross, J. Mark Porter 1995-5-4 8516 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA630377  Chenopodium murale L. C. Wheeler 1967-5-15 9598 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  RSA650316  Chenopodium murale Don Black 1948-4-20 s.n. Los Angeles Found 1 mi. North of 101 highway, El Rio. 22 Comment
  RSA594658  Chenopodium pumilio L. C. Wheeler 1945-9-20 6157 Los Angeles San Gabriel Mountains. Kinneloa ( Sycamore ) Canyon. 335 Comment
  RSA602307  Chenopodium pumilio L. C. Wheeler 1946-12-14 6452 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  RSA423250  Chenopodium strictum var. glaucophyllum Wm. Martin, R. Gustafson 1971-7-14 s.n. Los Angeles Crenshaw and Rodeo Blvd., Los Angeles. Comment
  UCR151347  Chilopsis linearis subsp. arcuata James Henrickson 1981-5-8 18840 Los Angeles Mojave Desert, c. 54 air mi SSE of Baker on Kelbaker Rd., c. 2 mi north of Amboy-Essex Rd. [Old Rte 66] and 8 mi south of Interstate 40 244 Comment
  CDA1960  Chloris gayana Garrettson 1933-10-13 45 Los Angeles L.A. County. 0 Comment
  UC1134563  Chlorogalum pomeridianum var. pomeridianum Jerome S. Horton 1937-7-15 482 Los Angeles Tanbark Flat Pomona Quadrangle Comment
  RSA0038402  Chorizanthe parryi Lee Haines 1935-7-4 s.n. Los Angeles San Dimas Lookout road, San Gabriel Mts. Comment
  SD241136  Chorizanthe parryi var. fernandina Mark A. Elvin, Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, N of Hwy 126 (Newhall 7.5'Q) 319 Comment
  UCR204039  Chorizanthe perfoliata R. G. Swinney 2005-5-14 8233 Los Angeles San Gabriel Mountains, north of Juniper Hills, south of Pear Blossom, southeast corner of Tejon Road and Longview Road (131st Street) 1091 Comment
  CAS-BOT-BC244812  Chorizanthe staticoides H. W. Grant 18 May 3887 Los Angeles Pasadena Comment
  SBBG127092  Chorizanthe staticoides A. Parikh, N. Gale 2011-6-29 3525 Los Angeles upper Big Tujunga Cyn, 1.1 km WNW of Shortcut Station, 0.9 km N of St Hwy 2; San Gabriel Mtns 1263 Comment
  UC1922179  Chorizanthe staticoides Scott D. White, Jennifer H. Jones 2005-6-23 11149 Los Angeles San Gabriel Mtns.: Acton area. South of Powerline access road (ANF 4N32) between Arrastre Canyon and Moody Canyon. Comment
  UC535374  Chorizanthe staticoides Ira W. Clokey, B. Templeton May 1929 4491 Los Angeles Mandeville Canyon , Mandeville Canyon (Santa Monica Mountains) Comment
  UCR125395  Chorizanthe staticoides A. C. Sanders, Mark Elvin 2003-3-5 25744 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  SEINET7042268  Chorizanthe staticoides A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  CAS-BOT-BC36284  Chrysolepis sempervirens LeRoy Abrams 1901-7-24 1923 Los Angeles Mt. San Antonio Comment
  RSA606141  Chrysothamnus nauseosus subsp. consimilis L. C. Wheeler 1932-9-9 1366 Los Angeles San Gabriel Mountains: San Antonio Canyon. 1097 Comment
  CAS-BOT-BC280028  Cirsium mohavense S. B. Parish; W. F. Parish 1882-5-1 1261 Los Angeles Warm Springs, Mojave Desert Comment
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Sep 10 2019
  CAS-BOT-BC285596  Cirsium occidentale var. occidentale Le Roy Abrams 1899-5-1 359 Los Angeles Ballona Harbor Comment
  UCR206167  Cirsium occidentale var. occidentale A. C. Sanders, T. B. Salvato 2009-5-29 37041 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  CAS-BOT-BC292694  Cirsium occidentale var. venustum Donald Kyhos 1958-6-20 58 -217 Los Angeles 0.75 miles south of Gorman, Highway 99 Comment
  CATA3338  Cistanthe maritima Amy Catalano 2017-4-18 055 Los Angeles Santa Catalina Island: Hillside NNE of house #102 in Middle Ranch, about 120 meters from the house 260 Comment
  RSA756573  Cistanthe monandra Orlando Mistretta, Christine Mistretta 2008-4-21 2516 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  RSA595800  Citrullus lanatus Lauren Raz, S. D. Boyd 1996-10-23 053 Los Angeles Liebre Mountains. Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. 609 Comment
  LA45546  Clarkia bottae M. Zaitlin; 1951-5-16 sn Los Angeles SANTA MONICA MOUNTAINS, North Sepulveda Way. 396 Comment
  RSA453459  Clarkia bottae Bonnie C. Templeton 1930-5-27 1464 Los Angeles Higgins Canyon, north of Beverly Hillls. 200 Comment
  UCD104376  Clarkia bottae J. E. Law Date Unknown 253 Los Angeles Eaton Canyon trail, over Oak Flat. Comment
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Sep 23 2017
  RSA580313  Clarkia cylindrica subsp. cylindrica Tim S. Ross, Steve D. Boyd 1994-5-24 7869 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
  UCR52318  Clarkia dudleyana R. Ascanio 1988-4-8 s.n. Los Angeles Western San Gabriel Mtns., E end of Calgrove Blvd., off Interstate Hwy 5N, c. 5 mi. north of I-210 and I-5 interchange 457 Comment
  LA45509  Clarkia epilobioides M. Zaitlin; 1951-5-16 sn Los Angeles SANTA MONICA MOUNTAINS, North Sepulveda Way. 396 Comment
  UCR149772  Clarkia purpurea Scott D. White, Pam Devries 2004-5-18 10436 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  CAS-BOT-BC163716  Clarkia purpurea subsp. quadrivulnera F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  RSA708609  Clarkia purpurea subsp. quadrivulnera Valerie L. Soza, Leland Lubinsky 2001-5-16 1225 Los Angeles Northern San Rafael Hills: Liz's Loop (Edison Road) to Cherry Canyon Fire Road. 442 Comment
  CAS-BOT-BC164875  Clarkia rhomboidea Robert F. Thorne 1971-6-26 40608 Los Angeles San Gabriel Mts., Angeles National Forest: N slope San Gabriel Peak 1432 Comment
  UCR126586  Clarkia speciosa A. C. Sanders 2003-4-16 26023 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
  HSC16292  Clarkia unguiculata C. S. Apperson 1967-6-11 Los Angeles 3 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA502091  Clarkia unguiculata R. S. Felger 1968-6-13 s.n. Los Angeles Elsmere Canyon, Angeles Natl. Forest, ca. 2 mi SE of Newhall. 518 Comment
  UC284266  Clarkia xantiana P. A. Munz 1923-5-27 6879 Los Angeles Rock Creek San Gabriel Mts. 1295 Comment
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May 13 2009
  CAS-BOT-BC434188  Claytonia perfoliata A. C. Sanders 2007-4-25 33559 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCR194759  Claytonia perfoliata Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 724 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, north side; northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 518 Comment
  POM158016  Claytonia perfoliata subsp. mexicana M. B. Dunkle 1928-3-31 1797 Los Angeles Santa Catalina Island. Cottonwood Canon 183 Comment
  CAS-BOT-BC439960  Claytonia perfoliata subsp. mexicana Louis C. Wheeler 1933-4-15 1635 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  RSA251459  Claytonia perfoliata subsp. mexicana R. F. Thorne 1973-4-11 42807 Los Angeles San Clemente Island: rocky slopes of upper part of Middle Ranch Canyon. 381 Comment
  RSA466717  Claytonia perfoliata subsp. mexicana M. Bisbee 1917-5-27 s.n. Los Angeles Near Verdugo road, Verdugo Canyon Comment
  UC1929980  Claytonia perfoliata subsp. perfoliata V. Soza, LeRoy Gross 2002-4-3 1378 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  RSA0117597  Claytonia rubra subsp. rubra A. C. Sanders 2008-4-11 34851 Los Angeles Transverse Range/ Mojave Desert: hills south of Hwy 138, c. 1 mile SW of Neenach School, vicinity of mapped spring NW of VABM Pine. 973 Comment
  UC1605449  Clematis lasiantha Tim Ross, Steve Boyd 1993-5-23 7279 Los Angeles 430-500 m ssw of Plum Spring (between Red Mountain's long E ridge and a small peak (3227 ft), to upper Clearwater Canyon, Liebre Mountains); Liebre Mountains 874 Comment
  POM305756  Clematis ligusticifolia Henry J. Ramsey, Henry J. Ramsey 1937-6-27 937 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  UCR204559  Clematis ligusticifolia R. G. Swinney 2005-8-5 8376 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  CAS-BOT-BC423120  Cleomella obtusifolia A. D. E. Elmer 1902-6-1 3629 Los Angeles Lancaster Comment
  UC314535  Cleomella obtusifolia Marcus E. Jones, A. M. 1924-9-14 Los Angeles Lancaster Comment
  RSA79814  Collinsia callosa F. W. Peirson 1923-5-25 3530 Los Angeles along stream on south side of canyon of Rock Creek, San Gabriel Mountains. 1296 Comment
  RSA408341  Collinsia heterophylla M. B. Dunkle 1933-6-17 3599 Los Angeles San Antonio River Canyon. 915 Comment
  RSA727256  Collinsia heterophylla R. G. Swinney 1998-5-30 6177 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA802447  Collinsia heterophylla Orlando Mistretta, Jamie Reese 2011-7-28 6007 Los Angeles Along Rincon Red Box Road, on the divide between W Fork San Gabriel River Cyn and E fork Santa Anita Cyn, 0.75 air miles NW of Monrovia Peak. 1451 Comment
  UC166881  Collinsia heterophylla Geo. B. Grant 1901-1 202 Los Angeles Pacific Coast, Pasadena Pasadena; Pacific Coast, Pasadena Comment
  UC56431  Collinsia heterophylla Ernest Braunton Mar 1903 850 Los Angeles Playa del Rey Comment
  RSA0009592  Collinsia parryi Marcus E. Jones 1882-5-2 3205 Los Angeles Pasadena. Comment
  RSA0117368  Collinsia parryi K. Dobry 1991-5-13 486 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA411144  Collomia grandiflora F. A. Thackery 1928-5-18 521 Los Angeles Tujunga Comment
  SBBG54758  Consolida ajacis L. Topp 1967-5-24 200 Los Angeles Pomona College Wash, Claremont 350 Comment
  RSA608376  Convolvulus arvensis L. C. Wheeler 1966-10-25 9063 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  SBBG122018  Convolvulus simulans A. Parikh, N. Gale 2003-5-31 751 Los Angeles 0.1 km N of Hwy 101, 0.5 km E of Cheeseboro Rd; Agoura Hills 270 Comment
  RSA0042310  Convolvulus simulans Mark L. Hoefs, Steven A. Junak, Denise Knapp 2000-5-5 3078 Los Angeles Santa Catalina Island: Near road below El Rancho Escondido. 146 Comment
  RSA732778  Cordylanthus rigidus subsp. setiger R. G. Swinney 2000-6-19 7818 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  UC1012419  Cordylanthus rigidus subsp. setiger F. W. Pennell and F. W. Peirson 1940-8-23 26467 Los Angeles Mount Wilson 1676 Comment
  RSA702537  Coreopsis bigelovii Scott D. White 2004-5-5 10284 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  CDA21769  Coreopsis californica A. C. Browne 1954-5-9 Los Angeles Llano. 0 Comment
  CAS-BOT-BC287089  Coreopsis douglasii John Thomas Howell 1930-5-12 4891 Los Angeles 2 miles N of Palmdale, Mojave Desert Comment
  RSA167840  Coreopsis gigantea R. F. Thorne, Percy C. Everett 1964-2-7 33449 Los Angeles Santa Catalina Island. E of Avalon on Road to Pebbly Beach 8 Comment
  RSA670442  Coreopsis gigantea I. W. Clokey, B. C. Templeton 1929-03 4520 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
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Mar 6 2010
  UC55130  Coreopsis gigantea J. H. Barber 1898-3-7 372 Los Angeles Point Duma Comment
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Feb 20 2015
  CAS-BOT-BC105681  Corethrogyne filaginifolia Philip A. Munz 1947-9-18 12135 Los Angeles Mint Canyon Public Camp, northeast of Saugus 762 Comment
  CAS-BOT-BC105687  Corethrogyne filaginifolia Timothy S. Ross; Steve Boyd 1994-9-20 8250 Los Angeles Upper Bouquet Canyon, ca 2225 m WCW of Lincol Vrest (the canyon head), and ca 2825 m E of Bouquet Reservoir, 993 Comment
  CAS-BOT-BC105714  Corethrogyne filaginifolia Ernest Braunton 1902-8-1 646 Los Angeles Los Angeles Comment
  RSA0103926  Corethrogyne filaginifolia R. G. Swinney 2011-10-10 15731 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  SFV5521  Corethrogyne filaginifolia W. A. Kelley Sep 1968 s. n. Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  UC74074  Corethrogyne filaginifolia Joseph Burtt Davy 1896-10-14 2724 Los Angeles near Forestry Station; Santa Monica Comment
  RSA397703  Cornus glabrata M. B. Dunkle 1931-4-22 2462 Los Angeles Hamilton Canyon, Santa Catalina Island. 91 Comment
  CAS-BOT-BC287261  Cotula australis Peter H. Raven 1962-4-1 17459 Los Angeles Rancho Santa Ana Botanic Garden 335 Comment
  CAS-BOT-BC287267  Cotula australis J. H. Thomas 1956-4-4 5601 A Los Angeles Campus of Occidental College. Growing on bank behind Fowler Hall Comment
  RSA629721  Cotula australis L. C. Wheeler 1947-3-1 6457 Los Angeles San Gabriel Mountians: Eaton Canyon about 1/4 mile upstream from mouth.. . Comment
  UC2026450  Cotula australis Louis C. Wheeler 1946-12-14 6448 Los Angeles SAN GABRIEL MOUNTAINS: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  UCR51313  Crassula argentea A. C. Sanders 1988-2-3 7595 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  CATA434  Crassula connata Sara L. Crockett, Mark Elvin 1997-3-17 572 Los Angeles Santa Catalina Island: Top of SE-trending ridge, overlooking road 1.25 miles along Cape Canyon Road from jct. with Middle Ranch Road 381 Comment
  RSA611669  Crassula connata Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10100 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  RSA639742  Crassula connata L. C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Marek Canyon across the road from Karl Holton Camp. 426 Comment
  UCR91525  Crassula connata Scott D. White 1995-3-15 2583 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  RSA608351  Crassula connata var. connata L. C. Wheeler 1931-2-22 s.n. Los Angeles 1/4 mile north, Woods Grove: (vicinity of Claremont). Comment
  UC50354  Crassula connata var. subsimplex H. M. Hall Apr., 1903 3731 Los Angeles Loma Vista Comment
  RSA624462  Crassula tillaea L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco between El Prieto and Fern Canyon. 373 Comment
  RSA632001  Crassula tillaea L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 601 Comment
  UCSB11252  Cressa truxillensis 1961-9-23 Los Angeles Ballast Point S side of Catalina Harbor, Santa Catalina Island Comment
  CAS-BOT-BC175826  Crossosoma californicum W. S. Lyon 1884-1-1 s.n. Los Angeles Santa Catalina Island Comment
  SEINET9458791  Croton californicus G. B. Grant 1903-1 236 Los Angeles Redondo. Comment
  SBBG108999  Croton setiger S. A. Junak 1996-5-20 SCl 512 Los Angeles mouth of cyn at Mosquito Cove 3 Comment
  RSA0115810  Crypsis schoenoides Steven A. Junak 1999-9-11 SCa- 1098 Los Angeles Santa Catalina Island. W side of upper Buffalo SPrings reservoir. 433 Comment
  UCR231138  Cryptantha R. F. Thorne 1963-5-15 31676 B Los Angeles Mojave Desert, 1 mile W of Los Angeles Co. line on Route 138, c. 2 miles W of Desert Springs 1172 Comment
  UCR261774  Cryptantha R. G. Swinney 2010-5-11 12673 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
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Feb 19 2020
  RSA756958  Cryptantha barbigera var. barbigera Orlando Mistretta, Christine Mistretta 2008-4-14 2453 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  POM368341  Cryptantha circumscissa Anstruther Davidson 1904-6-1 1376 Los Angeles Mt. Wilson. Comment
  RSA515213  Cryptantha circumscissa Steve Boyd 1986-3-30 1511 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA587752  Cryptantha circumscissa T. S. Ross 1991-4-27 4623 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
  SD104888  Cryptantha circumscissa Darley Howe 1979-4-30 5086 Los Angeles 2 miles northwest of Devil's Punch Bowl 1435 Comment
  SD237363  Cryptantha circumscissa R. G. Swinney 2009-4-28 10522 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  RSA0031379  Cryptantha clevelandii K. Dobry 1992-10-25 d- 1067 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  SD178186  Cryptantha intermedia G. K. Helmkamp, E. A. Helmkamp 1998-5-21 4045 Los Angeles Western Mojave Desert: junction of Munz Ranch Rd. and Lake Elizabeth Rd. north of Lake Elizabeth. 1006 Comment
  UCR129881  Cryptantha intermedia Joseph M. Keefe 1978-5-23 23273 Los Angeles 200 m east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mtns. 317 Comment
  UCR220186  Cryptantha intermedia R. G. Swinney 2009-4-7 10289 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR265508  Cryptantha intermedia Dan S. Cooper 2015-3-18 315- 6 Los Angeles Los Angeles Basin/Western Transverse Range, Eastern Santa Monica Mtns/Hollywood Hills, at Hollywood Bowl 216 Comment
  POM19108  Cryptantha intermedia P. A. Munz 1923-4-9 6678 Los Angeles San Clemente Island, halfway between Casablanca and Lemon Tank Comment
  RSA533890  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5164 Los Angeles San Clemente Island; 950 ft WNW of Stone at the beginning of the Stone Canyon drainage. 442 Comment
  SDSU5469  Cryptantha intermedia Gerald Collier 1951-4-7 M 424 Los Angeles 2 miles west of U.S. Hwy 101. Comment
  CATA467  Cryptantha maritima Sara L. Crockett, Steve Junak 1997-3-27 609 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly above beach; ca. 50 m upslope 42 Comment
  UCR258877  Cryptantha micromeres R. G. Swinney 2010-5-7 12610 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  RSA726184  Cryptantha microstachys Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley: Castaic Junction, Newhall, SW of the junction of SR 126 and US5, N of the Santa Clara River 305 Comment
  UCR216363  Cryptantha microstachys Dan S. Cooper 2010-5-13 510- 58 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, Griffith Park 549 Comment
  UC61117  Cryptantha muricata J. Burtt Davy May 9 1896-May 24 1896 2648 Los Angeles Leonis Valley Antelope Valley Comment
  RSA0078882  Cryptantha muricata var. denticulata R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38854 Los Angeles San Gabriel Mountains, Angeles National Forest: Above Angeles Crest Highway at headwater of South Fork, Big Rock Creek, ca. 1.7 miles south of Dawson Saddle. 2317 Comment
  RSA756625  Cryptantha muricata var. jonesii Orlando Mistretta, Christine Mistretta 2008-4-17 2485 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  UCR263278  Cryptantha muricata var. muricata Anuja Parikh, Nathan Gale 2012-5-9 3587 Los Angeles Transverse Range: San Gabriel Mountains, 0.8 km north of the West Fork San Gabriel River, 1.4 km east of Shortcut Canyon 1106 Comment
  RSA0079274  Cryptantha muricata var. muricata Robert F. Thorne 1963-7-11 32784 Los Angeles Sandy roadside near Upper Shake Campground, ca. 3 miles E of Lake Hughes, Angeles National Forest. Comment
  RSA0079280  Cryptantha muricata var. muricata James Henrickson 1985-3-30 19786 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 353 Comment
  RSA0079458  Cryptantha muricata var. muricata Orlando Mistretta, Christine Mistretta 2008-4-16 2473 Los Angeles San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  UCR269976  Cryptantha oxygona R. G. Swinney 2010-5-19 12775 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
  RSA0079297  Cryptantha pterocarya var. pterocarya R. F. Thorne, J. P. Simon, J. Dourley, H. Caulfield 1970-5-1 39549 -A Los Angeles Mojave Desert: Ca. 3 mi S of Pearblossom near junction of Valyermo & Pearblossom roads. 1158 Comment
  RSA228875  Cryptantha simulans R. F. Thorne 1971-6-26 39979 Los Angeles San Gabriel Mountains, Angeles National Forest: along Mt. Wilson Road on N slope of Occidental Peak. 1646 Comment
  UCR141735  Cryptantha utahensis L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns., Mill Canyon off Soledad Canyon 732 Comment
  SEINET10625771  Cucurbita pepo Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3783 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA702480  Cupressus arizonica subsp. arizonica Scott D. White 2004-5-10 10358 Los Angeles North slope below Bald Mountain. 1098 Comment
  RSA530589  Cuscuta californica F. R. Fosberg 1931-3-27 S 4405 Los Angeles Santa Catalina Island, Hamilton Canyon, near Avalon 50 Comment
  UCR48945  Cuscuta californica A. C. Sanders 1987-7-22 7173 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CATA520  Cuscuta californica var. californica Sara L. Crockett 1997-4-22 667 Los Angeles Santa Catalina Island: First N/S-trending ridge toward Pacific Ocean, E of jct. of Wrigley Memorial Trail with East End Road, ca. 75 m S of road 291 Comment
  UCD126268  Cuscuta californica var. californica Louis C. Wheeler 1973-11-20 s.n. Los Angeles San Gabriel Mountains: Chaney Trail ca 1/2 way up. Comment
  CDA39963  Cuscuta indecora var. neuropetala T. C. Fuller 1958-8-5 s.n. Los Angeles One mile south of Lancaster. 0 Comment
  LA91510  Cuscuta subinclusa Bruce Douglas Clayton; Greg Shaw 1972-5-11 110 Los Angeles Santa Monica Mountains, upper Temescal and Rustic Canyons, Mountain Park Research Campus, On trail on S slope of Castle 551 Comment
  UCR177772  Cuscuta subinclusa LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 395 Los Angeles Vedugo Mountains, Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  RSA522327  Cuscuta subinclusa T. S. Ross, Orlando Mistretta 1990-10-3 328 Los Angeles 0.62 Km E of Tie Summit Station and .62 km due s of Aliso spring, Tujunga Ranger District 1481 Comment
  CDA3127  Cycloloma atriplicifolium Henson, Goodwin 1932-7-6 Los Angeles 0 Comment
  RSA773526  Cylindropuntia californica var. parkeri R. G. Swinney 2009-7-1 11294 Los Angeles Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  RSA483540  Cynodon dactylon Robert Gustafson 1960-9-16 1921 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA618984  Cyperus eragrostis LeRoy Gross 1998-9-20 74 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  UC837687  Cyperus esculentus Louis C. Wheeler 1932-8-9 1127 Los Angeles 2 mi. s.w. Azusa 106 Comment
  CATA1431  Cyperus involucratus Mark L. Hoefs, Steven A. Junak, Ralph Philbrick, Sarah Chaney 1996-2-14 2593 Los Angeles Santa Catalina Island: Avalon Canyon, Avalon Canyon Road, just past L.A. County Fire Station #55 67 Comment
  OBI26216  Cyperus involucratus Mark Schneider 1973-5-26 27 Los Angeles Deliban Ave, Tujunga 549 Comment
  RSA365132  Cyperus squarrosus V. V. Giles 1936-7-5 s.n. Los Angeles Crystal Lake Comment
  RSA188707  Cytisus monspessulanus R. F. Thorne 1965-6-22 34858 Los Angeles Santa Catalina Island: along Upper Pebble [Pebbly] Beach road 30 Comment
  RSA584862  Cytisus monspessulanus T. S. Ross 1993-6-1 7365 a Los Angeles NW margin of Chantry Flat. 665 Comment
  UCR127372  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25552 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  SEINET11991607  Datisca glomerata R. F. Thorne, DeBuhr, L. 1974-1 44772 Los Angeles San Gabriel Mts., Angeles National Forest, Datisca Gully, ca 2 mi S of Islip Saddle, Mt. Islip 1829 Comment
  RSA653523  Datura wrightii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 286 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  RSA235192  Datura wrightii David Wheat, Christopher Davidson 1972-5-22 710 Los Angeles Growing in large vacant lot E. of Mills Ave. about one-quarter mile S of Baseline Rd., Claremont. 381 Comment
  RSA421875  Datura wrightii Claire Kibbe 1936-07 19962 Los Angeles Santa Ana Canyon 915 Comment
  RSA584913  Datura wrightii Tim S. Ross 1992-6-15 6565 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 256 Comment
  RSA660761  Datura wrightii J. Doughty 1985-5-19 136 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  LA211172  Daucus carota Arthur C. Gibson; 2008-8-13 5341 Los Angeles SIMI HILLS, next to parking lot, Chatsworth Park South, Chatsworth. Comment
  SBBG31359  Deinandra clementina R. F. Thorne with P. C. Everett 1965-5-11 Los Angeles rd side ca. 1 mi E of Isthmus Cove 152 Comment
  CATA29  Deinandra fasciculata USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 12 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  CAS-BOT-BC299310  Deinandra fasciculata Louis Kienitz 1935-8-11 s.n. Los Angeles Westwood Drive, Across the street from the University of California Los Angeles campus Comment
  CAS-BOT-BC9097  Delphinium cardinale Louis Cutter Wheeler 1947-6-27 6531 Los Angeles San Gabriel Mountains: San Gabriel Wash, 0.25 miles south of Arrow Highway Comment
  UCR132356  Delphinium cardinale 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
  UC586888  Delphinium glaucum Joseph Andorfer Ewan 1934-8-4 8381 Los Angeles on hillside cienega at Guffys Spring (e end of ridge); San Gabriel Mts., Blue Ridge 2438 Comment
  RSA654438  Delphinium parryi Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 983 a Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, above Brace Canyon, W of junction with Stough Canyon Mtwy. 610 Comment
  RSA720650  Delphinium parryi Anuja Parikh, Nathan Gale 2003-4-29 s.n. Los Angeles Western Transverse Range: Castaic Mesa, study area 68 north of the water plant, ca. 1 km E of Castaic Lagoon 427 Comment
  SD178256  Delphinium parryi A. C. Sanders 2003-4-29 26183 Los Angeles Western San Gariel Mountains: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Road. 395 Comment
  UCR142072  Delphinium parryi A. C. Sanders, Mark A. Elvin, et al 2003-5-1 26270 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  CAS-BOT-BC116258  Delphinium parryi subsp. parryi C. F. Baker 1909-4-19 5293 Los Angeles Claremont Comment
  POM293042  Delphinium parryi subsp. parryi Lyman Benson 1945-5-11 11712 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  RSA582770  Dendromecon rigida Tim S. Ross, S. D. Boyd 1993-5-23 7224 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  UCR198383  Dendromecon rigida Valerie Soza, L. Moore 2000-5-10 843 B Los Angeles Transverse Ranges: 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 579 Comment
  SD80052  Descurainia pinnata subsp. halictorum C. W. Tilforth 1970-3-3 249 Los Angeles Rancho Santa Ana Botanical Garden Comment
  RSA0089506  Dicentra chrysantha R. G. Swinney 2011-6-30 15415 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  SEINET13203262 Image available Dichelostemma capitatum R. G. Swinney 2011-1 14617 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 (Glendora 7.5' Q.) (T1N R9W S5; T1N R9W S8) 792 Comment
  UC440431  Dichelostemma capitatum Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Las Flores Canyon Santa Monica Mountains Comment
  UCR101680  Dichelostemma capitatum B. G. Pitzer 1998-5-23 3752 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  CAS-BOT-BC499432  Dichelostemma capitatum Dr. Barton W. Evermann 1918-3-29 s. n. Los Angeles Santa Catalina Island Comment
  RSA188175  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1966-4-4 35775 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove 30 Comment
  RSA616368  Dichelostemma capitatum subsp. capitatum Scott D. White, P. DeVries 1998-5-15 6503 Los Angeles Liebre Mountains. Soledad Canyon Area: proposed quarry N of Soledad Canyon Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 579 Comment
  RSA649610  Dichelostemma capitatum subsp. capitatum Lori Ackerman, Gerald Braden 1988-4-22 17 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  RSA376832  Dichelostemma capitatum subsp. capitatum C. B. Liter, J. A. Powell 1928-04 s.n. Los Angeles Santa Catalina Island. Comment
  RSA376848  Dichelostemma capitatum subsp. capitatum T. A. Burch, B. E. B. 1943-7-4 s.n. Los Angeles Redondo Beach Comment
  POM365105  Digitaria ischaemum George B. Grant 1906-8-9 [ 7158 ] Los Angeles Pasadena. Comment
  CAS-BOT-BC152890  Diplacus brevipes Le Roy Abrams 1901-4-3 1279 Los Angeles Santa Monica Mts. 243 Comment
  CAS-BOT-BC153056  Diplacus fremontii Le Roy Abrams 1901-4-7 1379 Los Angeles La [Cananda/Canada] Canada Comment
  SD42380  Diplacus longiflorus Carl B. Wolf 1936-4-24 7772 Los Angeles Base of Santa Susana Pass 366 Comment
  CAS-BOT-BC150863  Diplacus puniceus Grant 1901-4-8 3753 Los Angeles Avalon, Santa Catalina I. Comment
  CAS-BOT-BC43552  Diplotaxis muralis Crawford; Hall 1916-3-29 987 Los Angeles Santa Monica Mountains. Topanga Canyon. Comment
  RSA611369  Distichlis spicata L. C. Wheeler 1968-9-16 s.n. Los Angeles Una Lake, near Palmdale. Comment
  SBBG12194  Distichlis spicata E. R. Blakley 1961-9-23 4723 Los Angeles Ballast Pt, Catalina Harbor Comment
  LA81921  Dodecatheon clevelandii O. H. Kappler; 1941-2-9 87 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SBBG58454  Dodecatheon clevelandii subsp. clevelandii M. N. Ackley -Mar-1929 800 Los Angeles Eagle Rock 243 Comment
  RSA188119  Dodecatheon clevelandii subsp. insulare Robert F. Thorne, Percy C. Everett 1965-6-22 34904 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road 183 Comment
  RSA592772  Dodecatheon clevelandii var. clevelandii Steve Boyd, Mike Wall 1996-4-4 8541 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 0.4 road miles south of jtn with 5N30, south of Red Mountain. 701 Comment
  RSA654216  Draba corrugata var. corrugata Valerie L. Soza, LeRoy Gross 2000-5-23 952 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail 2377 Comment
  RSA596305  Drymocallis glandulosa Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3374 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  UC859903  Drymocallis glandulosa I. M. Johnston 1918-4-28 1894 Los Angeles Trumbull Canyon Puente Hills, Trumbull Canyon (Southern California) 365 Comment
  RSA145443  Drymocallis glandulosa var. reflexa Gale Sphon 1959-6-27 378 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  CATA533  Dryopteris arguta Sara L. Crockett 1997-4-29 686 Los Angeles Santa Catalina Island: 0.2 mile E of Upper Bulrush Reservoir, along road 335 Comment
  LA200095  Dryopteris arguta Lawrence L. Kiefer; 1966-3-12 1710 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, upper Las Flores Creek Rd. 304 Comment
  LA200113  Dryopteris arguta Lawrence L. Kiefer; 1966-4-10 1853 Los Angeles SANTA MONICA MOUNTAINS, Brown Canyon, Beverly Glen Blvd., ca. 2 mi above Sunset Blvd, ravine W of road. 243 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
  RSA649986  Dryopteris arguta Shlomo Gat 1959-4-9 s.n. Los Angeles Palmer [Canyon] north [Claremont?] Comment
  UC723805  Dryopteris arguta Joseph Andorfer Ewan 1933-6-17 10824 Los Angeles Temescal Canyon; Santa Monica Mts Comment
  SD241166  Duchesnea indica A. C. Sanders, Andy Thompson 2003-4-15 26010 Los Angeles NE end of Santa Susana Mountains: Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence (Newhall 7.5'Q) 381 Comment
  CAS-BOT-BC109682  Dudleya cymosa subsp. marcescens K. Nakai 1982-1-1 854 Los Angeles Santa Monica Mountains, in canyon north and west of Mulholland Highway, south of Seminole Hot Spring. 365 Comment
  RSA423511  Dudleya cymosa subsp. pumila Albert J. Perkins 1910-5-20 s.n. Los Angeles Colby's trail Comment
Read comments
Jun 24 2011
  RSA640901  Dudleya cymosa subsp. pumila L. C. Wheeler 1967-8-9 10429 Los Angeles San Gabriel Mts., Angelels National Forest: Devil's Canyon S side Mt. Waterman. 2042 Comment
  UCR109031  Dudleya cymosa subsp. pumila L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mtns., NW slope of Smith Mtn, along the Bear Creek Trail 1250 Comment
  UCR147050  Dudleya cymosa subsp. pumila L. C. Wheeler 1967-7-6 9935 Los Angeles San Gabriel Mountains, San Gabriel Canyon 274 Comment
  RSA635032  Dudleya lanceolata Valerie L. Soza, Kent Hughes 1999-6-17 543 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  RSA83324  Dudleya lanceolata F. W. Peirson s.n. Los Angeles Altadena. Comment
  RSA226522  Dudleya multicaulis C. W. Tilforth 1971-5-30 381 Los Angeles Johnson's Pastures; hills n. of Claraboya, Claremont 487 Comment
  RSA0073981  Dudleya virens Reid V. Moran 1972-5-27 19143 Los Angeles Just east of Pt. Vicente. 5 Comment
  RSA167783  Dudleya virens subsp. hassei K. Thorne, P. C. Everett 1964-2-7 s.n. Los Angeles Santa Catalina Island. Just E of Avalon on rd to Pebbly Beach 8 Comment
  UCD98566  Dysphania ambrosioides Lyman Benson 1945-10-22 11899 Los Angeles Claremont. 335 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
  UCR205668  Echinochloa crus-galli A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36937 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
  SBBG128381  Ehrharta erecta D. Knapp, L. K. Danner 2006-3-3 68 Los Angeles 106 Middle Ranch yard Comment
  SD218941  Ehrharta erecta Pamela Conway, LeRoy Gross 2010-12-27 1 Los Angeles Little Santa Anita Canyon; short distance west from the old Mt. Wilson toll road along trail to Orchard Camp. 395 Comment
  RSA0047334  Eleocharis palustris Orlando Mistretta 1996-4-23 1960 Los Angeles Monrovia Peak. Comment
  RSA749112  Eleocharis parishii R. G. Swinney 2005-8-9 8425 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  SEINET7586931 Image available Eleocharis parishii Louis C. Wheeler 1966-9-21 8892 Los Angeles San Gabriel Mountains, north fork San Gabriel River, 1/4 mi downhill from intersection of main road with road to upper Bichota Canyon. 853 Comment
  RSA9691  Eleocharis radicans L. C. Wheeler 1931-9-13 145 Los Angeles Puddingstone Dam, San Jose Hills. 274 Comment
  CAS-BOT-BC208518  Elymus A. D. E. Elmer 1902-6-1 3750 Los Angeles Acton Comment
  RSA0112520  Elymus Richard G. Swinney 2010-9-30 13926 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  CAS-BOT-BC227497  Elymus elymoides Geo. B. Grant 1906-6-16 6793 Los Angeles Summit Mt. Wilson Comment
  POM365339  Elymus glaucus F. R. Fosberg 1931-4-14 S- 4610 Los Angeles Eagles Nest. Middle Ranch Canyon. Santa Catalina Island. 180 Comment
  RSA594557  Elymus glaucus F. R. Fosberg, Joseph A. Ewan 1931-8-10 783 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  UC1117455  Elymus glaucus Peter H. Raven 1962-5-22 17850 Los Angeles above stream about 1 mi below Middle Ranch; Santa Catalina Island Comment
  UCR190541  Elymus glaucus R. G. Swinney 2000-6-19 7826 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  SEINET10554278  Elymus glaucus Adolph D. E. Elmer Elmer 3750 Los Angeles Acton. Comment
  LA33387  Elymus glaucus subsp. glaucus Henry J. Thompson; 1959-5-31 2057 Los Angeles Santa Monica Mountains, just E of junction of Latigo Canyon Rd with Mulholland Hwy 518 Comment
  IRVC28650  Elymus triticoides A. C. Sanders, Mark Elvin 2002-6-25 25263 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  OBI69406  Emmenanthe penduliflora Anne Marie Orcino 1994-5-10 13 Los Angeles 0.4 mi E on Stunt Rd from jct with Mulholland hwy, Calabasis 796 Comment
  RSA596832  Emmenanthe penduliflora Tim S. Ross, J. Mark Porter 1995-5-4 8468 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UC450801  Emmenanthe penduliflora Fay A. MacFadden 1931-4-28 90 E Los Angeles Tuna Canyon; Verdugo Hills Comment
  CAS-BOT-BC131155  Encelia actoni Ralph Hoffmann 1931-10-1 s.n. Los Angeles Mint Canyon Comment
  SBBG121469  Encelia actoni R. Burgess, P. Munro 1999-4-17 3242 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk between first and second narrows 487 Comment
  UCR223074  Encelia actoni R. G. Swinney 2009-5-13 10785 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA607519  Encelia actoni Robert Crandall 1969-12-21 s.n. Los Angeles Mount Wilson Toll Road near lower end. Comment
  RSA535541  Encelia californica Timothy S. Ross, Annette Ross 1991-9-7 5961 Los Angeles Santa Monica Mtns: near Mulholland Hwy and Yerba Buena Road. 360 Comment
  UCSB43819  Encelia californica Morales, M. 1982-4-17 Los Angeles On Benton mine Road, 1 mile south of junction with Mt. Ada Road, Santa Catalina Island 198 Comment
  UCD133041  Ephedra californica Sherwin Carlquist 1965-4-22 1700 Los Angeles 11 miles east of Palmdale. Comment
  CDA745  Ephedra nevadensis G. D. Barbe, T. C. Fuller 1973-5-21 1392 Los Angeles Roadside field in SE corner of Pearblossom Hwy at Small Road, E of railroad overpass, 4 mi W of Four Points (junction with Hwy 138). Comment
  LA6829  Ephedra nevadensis Carl Epling; May 1925 sn Los Angeles Mint Canyon 1523 Comment
  UCR190130  Epilobium R. G. Swinney 1998-9-7 6937 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  RSA0106507  Epilobium canum R. G. Swinney 2011-7-7 15468 B Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area. 1098 Comment
  SEINET7042284 Image available Epilobium canum A. G. Vestal 1938-7-4 s.n. Los Angeles Bottom of Wash, Eaton Canyon, Angeles National Forest. Mount Wilson quadrangle. UTM Zone 11, 399333mE, 3785184mN. Comment
  CAS-BOT-BC166205  Epilobium canum subsp. canum LeRoy Abrams 1904-9-2 4179 Los Angeles Elysian Park, Los Angeles Comment
  UCR212785  Epilobium canum subsp. canum Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1771 Los Angeles Transverse Ranges; San Gabriel Mountains, [east of San Dimas Reservoir, on Sunset Ridge] 405 Comment
  POM8101  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1916-09 s.n. Los Angeles Eaton Canyon. San Gabriel Mtns Comment
  RSA588471  Epilobium ciliatum subsp. ciliatum Bonnie C. Templeton 1940-7-5 s.n. Los Angeles Along stream bank, Bouquet Canyon. 915 Comment
  RSA529917  Epilobium densiflorum Tim S. Ross 1991-8-16 5824 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  UCSB24354  Epilobium glaberrimum Peirson, Frank 1921-7-17 Los Angeles Prairie Fork, San Gabriel River, San Gabriel Mountains 2011 Comment
  SEINET3149904  Epilobium parishii G. B. Grant 1904-6-17 400 /6302 Los Angeles Pasadena Comment
  RSA0064056  Epipactis gigantea R. G. Swinney 2010-9-9 13765 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA598363  Epipactis gigantea Louis C. Wheeler 1967-5-24 9724 Los Angeles San Gabriel Mountains: Indian Canyon 793 Comment
  UCR206137  Epipactis gigantea R. G. Swinney 2008-5-30 8908 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  RSA568561  Epipactis gigantea George Henry Grinnell 1932-5-28 s.n. Los Angeles Santa Monica. Comment
  JEPS60145  Equisetum arvense Joseph Andorfer Ewan 1932-6-16 7283 Los Angeles below Charlton Flats; San Gabriel Mts., Price Mt. Region 1524 Comment
  CAS-BOT-BC167380  Equisetum hyemale A. C. Sanders; Mark A. Elvin 2002-8-26 25583 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa 305 Comment
  SDSU1969  Equisetum hyemale subsp. affine J. Godsil 1952-4-28 214 Los Angeles Little Dalton Canyon, above Glendora. 366 Comment
  POM47142  Equisetum hyemale var. affine I. M. Johnston 1924-8-13 s.n. Los Angeles Evey-Palmer Canyon Firebreak. About spring where locally abundant and reaching 10 ft. in height. 1036 Comment
  CAS-BOT-BC57754  Equisetum telmateia Le Roy Abrams 1902-6-12 2531 Los Angeles Ballona creek, near Mesmer. Comment
  CAS-BOT-BC57756  Equisetum telmateia Geo. B. Grant 1904-4-1 406 Los Angeles Pasadena. Comment
  SD215306  Equisetum telmateia Louis C Wheeler 1932-6-13 809 Los Angeles Los Angeles River at Los Feliz Blvd 121 Comment
  CAS-BOT-BC57797  Equisetum telmateia G. B. Grant 1904-4-6 s.n. Los Angeles Pasadena. Comment
  RSA603676  Equisetum telmateia var. braunii Steve Boyd 1997-9-17 10042 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 854 Comment
  RSA612922  Equisetum telmateia var. braunii L. C. Wheeler 1931-8-27 29 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  CAS-BOT-BC174317  Eragrostis barrelieri A. C. Sanders; Kim Marsden 2003-6-20 26989 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
  LA202620  Eragrostis barrelieri Arthur C. Gibson; 2006-8-13 5134 Los Angeles Santa Monica Mountains, vicinity of Sunset Blvd. and Church Ln 150 Comment
  POM1184  Eragrostis mexicana subsp. virescens I. M. Johnston 1918-5-19 2004 Los Angeles Claremont 366 Comment
  UCD64537  Eragrostis pectinacea Robert L. Forsyth 1957-10-1 Los Angeles Antelope Valley Field Station, west of Lancaster. Comment
Read comments
Mar 6 2012
  UC57206  Eremocarpus setiger Ernest Braunton July 1902 586 Los Angeles Eagle Rock Valley Comment
  RSA0105515  Eriastrum densifolium subsp. austromontanum J. Mark Porter, Lauren Machen 2012-5-30 15131 .1 Los Angeles Along Lone Pine Canyon Road, near the junction with CA Hwy 138 near Mormon Rocks Ranger Station. 1026 Comment
  RSA0106904  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2008-10-8 9538 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA0104116  Eriastrum densifolium subsp. elongatum L. E. Hoffman 1929-6-23 s.n. Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  UCR280873  Eriastrum sapphirinum R. G. Swinney 2014-5-1 16329 Los Angeles San Gabriel Mountains/Mojave Desert, NW of Valyermo, extreme west end of Holcomb Ridge, 400-500 meters NE of Valyermo Rd. and 250 m east of Big Rock Wash, 0.3 mile north of jct. of Pallett Creek Rd. and Valyermo Rd. 1110 Comment
  RSA0121276  Eriastrum sapphirinum subsp. dasyanthum Jim Reutzel 1994-5-29 70 Los Angeles Only at higher elevations in open, disturbed areas. North of the reservoir, up the hill, near the fence. Hills behind Cal Poly Pomona University Health Center. Comment
  RSA93275  Ericameria cooperi F. W. Peirson 1921-5-19 1245 Los Angeles Little Rock Creek 945 Comment
  RSA602397  Ericameria cuneata var. cuneata L. C. Wheeler 1946-10-26 6391 Los Angeles San Gabriel Mountains: West Fork San Gabriel Canyon; 0.1 mile west of confluence with North Fork. Comment
  UCR242058  Ericameria ericoides Dan S. Cooper 2012-8-6 812- 54 Los Angeles South Coast, Culver City, northeastern edge of West Los Angeles College campus, along powerline right-of-way within and adjacent to Baldwin Hills oil fields 55 Comment
  LA202487  Ericameria linearifolia W. R. Ernst; May 1948 sn Los Angeles San Gabriel Mountains, Big Rock Creek Comment
  UC284263  Ericameria linearifolia P. A. Munz 1923-5-26 6826 Los Angeles Big Rock Creek San Gabriel Mts., Big Rock Creek (in stony wash) 1402 Comment
  UCR117562  Ericameria palmeri A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23269 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  LA200227  Ericameria palmeri var. pachylepis Louis Wheeler; 1931-10-16 254 Los Angeles University of California, Los Angeles, UCLA Campus Comment
  POM359436  Ericameria palmeri var. pachylepis Blanche Trask 1900-10 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UC73941  Ericameria palmeri var. pachylepis J. Q. Adams 1905-1-1 12 Los Angeles Soldiers Home Comment
  RSA250343  Ericameria parishii var. parishii R. F. Thorne, Larry E. DeBuhr 1972-8-18 42235 Los Angeles Charlton Flats Burn W. of Mt. Mooney 1645 Comment
  RSA547467  Ericameria parishii var. parishii Timothy S. Ross, Orlando Mistretta 1992-7-24 6742 Los Angeles NNE of Strawberry Peak between Colby Ranch and W branch of Wickiup Cyn stream 1207 Comment
  UCR276725  Ericameria parryi R. G. Swinney 2010-9-21 13857 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  POM39773  Ericameria pinifolia H. E. Hasse 1890-09 s.n. Los Angeles Sierra Santa Monica. [Santa Monica Mountains]. Comment
  RSA747327  Erigeron foliosus R. G. Swinney 2005-8-11 8441 Los Angeles Big Rock Creek at Paradise Springs 1439 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
  JEPS41486  Erigeron foliosus var. foliosus Frank W. Peirson 1918-7-13 231 Los Angeles Santa Anita San Gabriel Mts., Santa Anita 914 Comment
  CAS-BOT-BC296208  Erigeron foliosus var. foliosus H. Dearing; M. Dearing 1937-7-4 s.n. Los Angeles Big Bear Lake, San Bernardino Mts. Comment
  POM357484  Erigeron foliosus var. foliosus Norman C. Cooper 1949-6-29 4370 Los Angeles San Gabriel Mountains. 457 Comment
  CAS-BOT-BC189069  Eriodictyon crassifolium Reid Moran 1941-5-17 863 Los Angeles Pico Canyon, N of San Fernando Comment
  OBI60235  Eriodictyon crassifolium var. nigrescens Suzan Barth, Steven Korenstein 1994-5-4 24 Los Angeles Santa Susana Mtns. Northridge, Aliso Cyn. off Sesnon 200 m from trail head 150 Comment
  RSA570013  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4937 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  UC193872  Eriodictyon crassifolium var. nigrescens Samuel B. Parish June 1887 1907 Los Angeles Sand Creek; Mojave Desert, Sand Creek 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-BC188960  Eriodictyon parryi Le Roy Abrams; E. A. McGregor 1908-6-19 386 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  CAS-BOT-BC188091  Eriodictyon traskiae E. R. Blakley 1962-10-3 5390 Los Angeles E side of Black Jack Mountain at start of road to White's Landing 411 Comment
  RSA455106  Eriodictyon traskiae M. B. Dunkle 1931-4-22 2455 Los Angeles Head of Swain s Canyon. Comment
  CATA299  Eriodictyon traskiae subsp. traskiae Mark L. Hoefs 1973-6-5 319 Los Angeles Santa Catalina Island: By upper White's Landing Road 411 Comment
  RSA658375  Eriodictyon trichocalyx Naomi Zohman 1985-4-28 16 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  SEINET4343656  Eriodictyon trichocalyx Kay H. Beach 1943-6-14 1747 Los Angeles San Gabriel Mountains 1554 Comment
  UC1544815  Eriodictyon trichocalyx Almut G. Jones 1986-8-21 7243 Los Angeles along Hwy 2 between Big Pines and Wrightwood; bet Big Pines and Wrightwood 2300 Comment
  UCR145175  Eriodictyon trichocalyx June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  UCSB28456  Eriogonum angulosum Hardham, Clare 1966-5-7 Los Angeles Gorman-Sandberg Rd. 1219 Comment
  SBBG61890  Eriogonum baileyi R. Hoffmann 1928-6-27 Los Angeles Gorman Comment
  UCR269582  Eriogonum baileyi R. G. Swinney 2011-6-29 15362 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  UC1375329  Eriogonum baileyi var. baileyi Robert F. Thorne and C. W. Tilforth 1971-6-29 40666 Los Angeles near junction of Angeles Forest and Mt. Emma Roads; San Gabriel Mts., Angeles National Forest 1127 Comment
  RSA66044  Eriogonum baileyi var. baileyi Joseph A. Ewan, A. N. Dunn 1923-7-23 7824 Los Angeles San Gabriel Mountains: Tujunga Creek at Wickiup Canyon Junction 976 Comment
  CAS-BOT-BC241905  Eriogonum cinereum Scott D. White 1997-11-5 6017 Los Angeles Malibu Coast: Mouth of Trancas Cyn., north of Pacific Coast Hwy. 7 Comment
  SEINET253269  Eriogonum cinereum H. P. Bracelin 1931-10-11 570 Los Angeles Lower Topanga Canyon, about one and one-half miles east of ocean beach. Comment
  UC205956  Eriogonum cinereum Geo. B. Grant 1902-7-2 1373 Los Angeles Santa Monica Comment
  UCR142207  Eriogonum cinereum June Latting 1979-5-24 s.n. Los Angeles Pacific Coast, Malibu Beach, Santa Monica Mtns. 30 Comment
  RSA587383  Eriogonum cithariforme var. agninum Orlando Mistretta 1992-5-8 270 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  RSA679871  Eriogonum davidsonii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 860 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  UCR108430  Eriogonum davidsonii L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Head of Whitney Canyon at Santa Clara Divide Road 915 Comment
  UCR248983  Eriogonum davidsonii Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 401 Los Angeles San Gabriel Mountains, Road 7N23, Liebre Mountains 1484 Comment
  JEPS56691  Eriogonum davidsonii Joseph Ewan 1932-7-1 7587 Los Angeles 2 mi n Altadena (Upper Millard Canyon); Millard Canyon 1127 Comment
  UC150054  Eriogonum davidsonii LeRoy Abrams 1902-6-29 2592 Los Angeles Type Station Mt. Wilson Comment
  POM209510  Eriogonum elongatum H. P. Bracelin 1931-10-11 571 Los Angeles Topanga Canyon, about three miles east of ocean beach. Comment
  RSA766102  Eriogonum fasciculatum Joseph A. Ewan 1936-7-22 9827 Los Angeles Blue Ridge trail. San Gabriel Mts. 2317 Comment
  UCR140647  Eriogonum fasciculatum subsp. polifolium Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-16 1- 7 Los Angeles Western Transverse Range, Acton [near Red Rover Mine], Escondido Canyon off Route 14, Site L1 950 Comment
  UCR189842  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-7-27 6509 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR223189  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-5-20 10808 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA650863  Eriogonum fasciculatum var. fasciculatum Carol Zuck 1981-2-27 63 Los Angeles W. Covina. East on I-10 between Barranca and Grand off ramps. Comment
  RSA393415  Eriogonum fasciculatum var. foliolosum Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  RSA65149  Eriogonum fasciculatum var. foliolosum F. W. Peirson 1919-7-3 513 Los Angeles San Gabriel Mountains: Lukens Peak 915 Comment
  RSA670612  Eriogonum fasciculatum var. foliolosum Bonnie C. Templeton, H. J. Andrews 1938-6-22 1701 Los Angeles Mint Canyon Comment
  RSA575101  Eriogonum fasciculatum var. polifolium R. G. Swinney 1994-6-12 2939 Los Angeles Eastern San Gabriel Mountains: ca. 200 m west of Boneyard Canyon, 2 miles S of Hwy 138, just W of San Bernardino County line 1341 Comment
  UCSB18459  Eriogonum fasciculatum var. polifolium Hurst, Linda 1963-2-26 Los Angeles N Kenter Road; 3 miles N of Sunset Blvd; 10 miles E of U.S. Highway 101 548 Comment
  RSA0127575  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-7-18 10092 Los Angeles W side of ridge, SE of Yerba Buena Spring, Gold Creek. 1250 Comment
  CAS-BOT-BC250297  Eriogonum giganteum var. giganteum Geo. B. Grant 1906-9-1 s.n. Los Angeles Santa Catalina Island, off southern California Comment
  RSA766141  Eriogonum gracile Raymond J. Dobbs 1922-8-3 s.n. Los Angeles San Gabriel Mountains. Lower arroyo near Teddy 396 Comment
  SDSU6517  Eriogonum gracile F. Youngberg Los Angeles Vacant lot in Claremont, Ca. Comment
  RSA66031  Eriogonum gracile var. gracile F. W. Peirson 1923-10-7 4164 Los Angeles Railroad station at Newhall. Comment
  POM122090  Eriogonum gracile var. gracile H. E. Hasse 1888-08 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC261095  Eriogonum gracillimum James L. Reveal 1978-6-25 4775 Los Angeles Along Avenue F, 0.5 mile east of California Highway 138, north of Lancaster 716 Comment
  RSA612103  Eriogonum gracillimum Steve Boyd, Kent Hughes 1998-5-5 10186 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  SBBG62132  Eriogonum gracillimum R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCSB1437  Eriogonum gracillimum Wedberg, H. 1958-4-13 Los Angeles Near Pearblossom Comment
  RSA393217  Eriogonum grande var. grande E. S. Spalding s.n. Los Angeles Banning Beach, Santa Catalina Island. Comment
  UC1194910  Eriogonum grande var. grande Reid Moran 1958-9-16 6846 Los Angeles canyon 2 mi se Eel Point; San Clemente Island 100 Comment
  SBBG62148  Eriogonum heermannii P. A. Munz, I. M. Johnston 1928-9-5 11240 Los Angeles rd from Rock Crk to Swartout Valley 1676 Comment
  RSA580182  Eriogonum inerme var. hispidulum Tim S. Ross, S. D. Boyd 1994-5-25 7917 Los Angeles Warm Springs Mountain: ca 450 m NW of summit. 1140 Comment
  RSA0128049  Eriogonum microtheca var. corymbosoides David E. Bramlet 1998-9-9 2702 Los Angeles Stations: WR-1, WR-2, KR-1 (no plot), Hwy 2 (no plot). Headwaters of Upper Little Rock Creek, north and south of Highway 2. Most of the population is found north of Hwy 2 in the frontage area of Williamson Rock. Some plants are found along Kratka Ridge. 1951 Comment
  CAS-BOT-BC268774  Eriogonum mohavense A. D. E. Elmer 1902-6-1 3651 Los Angeles Lancaster Comment
  HSC17403  Eriogonum mohavense C. S. Apperson 1966-4-24 Los Angeles Junction of Palmdale Blvd. and 90th St. Comment
  UCR210166  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-8-13 9398 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  RSA506843  Eriogonum nudum var. pauciflorum Louis C. Wheeler 1967-8-24 10493 Los Angeles Angeles National Forest: SW slope of Mt. Waterman. 2165 Comment
  SFV1016  Eriogonum plumatella M. L. Vincent 1962-10-4 298 Los Angeles San Gabriel Mountains 131st Street East and Pallett Creek Road. Roadside. 1170 Comment
  UCR164524  Eriogonum plumatella T. B. Salvato, Sandra Murcia 2005-11-8 1281 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel from Palmdale Blvd to Avenue Q, east of 51st Street 805 Comment
  UCR282035  Eriogonum pusillum R. G. Swinney 2014-4-30 16245 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  JEPS97034  Eriogonum saxatile Victor Duran 1933-7-27 3538 Los Angeles Buckhorn; San Gabriel Mtns 1981 Comment
  RSA733561  Eriogonum saxatile R. G. Swinney 1998-8-13 6741 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  CAS-BOT-BC267618  Eriogonum saxatile F. Grinnell Jr. 1917-7-28 s.n. Los Angeles Mt. Willson Ridge, San Gabriel Mountains 1767 Comment
  JEPS97064  Eriogonum thurberi unknown 1928-7-7 Los Angeles 3 mi W of Castaic (Little Martinez Creek) Comment
  POM263032  Eriogonum umbellatum var. minus J. C. Roos 1937-7-16 371 Los Angeles Mt. San Antonio [Los Angeles - San Bernardino counties]. 2744 Comment
  RSA766478  Eriogonum umbellatum var. minus F. R. Fosberg, Joseph A. Ewan 1931-8-12 4884 Los Angeles Summit Mt Islip. 2500 Comment
  SEINET13383956 Image available Eriogonum umbellatum var. munzii R. G. Swinney 2011-1 15303 B Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  RSA755745  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-7-3 9163 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp. 2329 Comment
  RSA5501  Eriogonum wrightii var. subscaposum Carl B. Wolf 1932-8-11 4006 Los Angeles 8 miles below Big Pine Park on road to Little Rock, north slope of San Gabriel Mountains 1372 Comment
  CAS-BOT-BC297950  Eriophyllum confertiflorum LeRoy Abrams 1902-6-30 2601 Los Angeles Near the summit of Mt Wilson Comment
  RSA527603  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4428 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UC1871278  Eriophyllum confertiflorum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3995 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UCD150975  Eriophyllum confertiflorum D. S. Park 2010-4-29 61 Los Angeles Wildwood Canyon, roadside near first canyon entrance trailhead. Growing on hillside 45 degree gradient. 388 Comment
  JEPS32961  Eriophyllum confertiflorum var. confertiflorum E. R. Blakley 1958-5-9 2274 Los Angeles hills 2 mi e Gorman 1097 Comment
  SBBG61043  Eriophyllum confertiflorum var. confertiflorum M. N. Ackley -Apr-1923 252 Los Angeles Glendale 243 Comment
  SBBG61059  Eriophyllum confertiflorum var. confertiflorum R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  SBBG79812  Eriophyllum confertiflorum var. confertiflorum F. R. Fosberg 1931-3-26 4397 Los Angeles sea bluffs W of Hamilton Cyn 40 Comment
  SEINET3146676  Eriophyllum confertiflorum var. confertiflorum G. B. Grant 409 Los Angeles Pasadena Comment
  UCR108377  Erodium botrys L. C. Wheeler 1970-6-9 s.n. Los Angeles Coastal Plain, San Pedro, Harbor Blvd, at 4th Street 3 Comment
  RSA391787  Erodium cicutarium F. R. Fosberg 1931-4-10 689 Los Angeles Avalon Canyon, Santa Catalina Island. 150 Comment
  RSA657210  Erodium cicutarium Joseph M. Keefe 2001-1-19 30996 b Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 Comment
  RSA70491  Erodium cicutarium F. W. Peirson 1919-2-28 2022 Los Angeles At Frank Peirson residence, 1085 New York Drive, Altadena Comment
  UC17098  Erodium cicutarium J. Burtt Davy May 9 1896-May 24 1896 2585 Los Angeles near West Palmdale; Antelope Valley Comment
  RSA652311  Erodium cicutarium Marion P. Harthill 1972-4-8 s.n. Los Angeles Glendora Mt. Rd. 1067 Comment
  CAS-BOT-BC40711  Erysimum capitatum Peter H. Raven 1960-5-15 15371 Los Angeles Santa Monica Mountains. Piuma Road 5.1 miles northwest of Rambla Pacifica. 213 Comment
  UCR137717  Erysimum suffrutescens L. C. Wheeler 1974-4-4 s.n. Los Angeles Pacific slope, West end of the Los Angeles International Airport [LAX] 61 Comment
  SDSU10775  Erythranthe guttata Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon, 1 mmile from base of Chantry Flats Trail, up canyon. San Gabriel Mtns. Comment
  SEINET14291734  Erythranthe guttata G. B. Grant, W. Wheeler 1904-1 789 6135 Los Angeles Santa Catalina Island, Pacific Ocean, off Southern California. Comment
  CAS-BOT-BC151588  Erythranthe parishii Le Roy Abrams; E. A. McGregor 1908-7-2 559 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  UC1614259  Eschscholzia Charles M. Belshaw 1935-3-29 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp); w. antelope Valley, La Liebre Scarp Comment
  RSA66738  Eschscholzia caespitosa subsp. caespitosa F. W. Peirson 1921-7-16 2503 Los Angeles East fork of San Gabriel River. 1372 Comment
  RSA433652  Eschscholzia californica Katherine Brandegee 1916-5-17 s.n. Los Angeles Santa Catalina Island. Comment
  UC1184980  Eschscholzia californica Huron H. Smith 1912-5-1 4909 Los Angeles Eagle Rock Valley 152 Comment
  UCR123809  Eschscholzia californica Steven R. Hill, K. Kramer 2001-4-22 33334 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
  SEINET10904733  Eschscholzia californica David B. Dunn 1947-4-16 Dunn 2940 Los Angeles 1 mi w of palmdale. Comment
  POM260  Eschscholzia californica var. crocea L. Metz 1909-5-15 35 Los Angeles Claremont. Comment
  RSA523173  Eschscholzia californica var. peninsularis Tim S. Ross 1991-2-23 4107 Los Angeles Whittier Hills (Puente Hills), upper Turnbull Canyon, 1/4 air mile W of Turnbull Canyon road x Skyline Drive in heavily disturbed drainage area. 252 Comment
  CAS-BOT-BC83103  Eschscholzia minutiflora H. L. Mason 1926-4-27 3043 Los Angeles Rock Creek. Comment
  UC186880  Eschscholzia minutiflora Samuel B. Parish June 1887 1951 Los Angeles Alpine Comment
  UCR263063  Eschscholzia minutiflora Mitch Provance 2008-4-14 10138 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  SD181446  Eucalyptus camaldulensis LeRoy Gross 2001-9-1 445 Los Angeles Verdugo Mountains; Burbank; north side, along the bottom of Hostetter Mountain Way where road is paved, parallel with 210 Freeway. 548 Comment
  RSA11016  Eucrypta chrysanthemifolia Carl B. Wolf 1928-4-1 1612 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA595007  Eucrypta chrysanthemifolia Mark Hoefs, Robert F. Thorne 1996-4-6 2636 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
  LA32294  Eucrypta chrysanthemifolia var. chrysanthemifolia Henry J. Thompson; 1959-4-12 1920 Los Angeles Comment
  LA200684  Eulobus californicus D. S. Verity; August 1981 sn Los Angeles Santa Monica Mountains, Sepulvada Can Comment
  RSA599733  Eupatorium adenophorum L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road. 701 Comment
  UCR224889  Euphorbia cyathophora D. L. Koutnik 1986-3-6 s.n. Los Angeles San Marino, Huntington Botanical Gardens 206 Comment
  UCD142609  Euphorbia maculata Geoffrey Levin 1975-9-22 654 Los Angeles San Gabriel Mountains. Claremont, Pomona College, south of Crookshank Hall. 335 Comment
  UCR45019  Euphorbia mauritanica A. C. Sanders 1986-7-30 6827 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  SD245361  Euphorbia peplus Robert F. Thorne, J. Henrickson 1963-5-5 32274 Los Angeles Foothills of the San Gabriel Mts. Flat area near mouth of Cobal Canyon, few miles N. of Claremont. Comment
  LA88587  Euthamia occidentalis O. H. Kappler; 1942-11-1 356 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC1922872  Festuca arundinacea Scott D. White, Pam DeVries 2006-5-9 11414 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy, and SW of Gorman Post Rd. Lebec 7.5' Quad. Comment
  RSA0073596  Festuca microstachys Orlando Mistretta, Christine Mistretta 2005-4-21 2058 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  UCR138536  Festuca microstachys L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  LA105325  Festuca myuros Barry A. Prigge; 1989-4-23 8442 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA33396  Festuca myuros Peter H. Raven; 1959-4-4 13975 Los Angeles SANTA MONICA MOUNTAINS, Pt. Dume, behind point. 21 Comment
  UCR199864  Festuca myuros var. hirsuta LeRoy Gross, Steve Boyd, Naomi Fraga, Valerie Soza 2006-3-17 2454 B Los Angeles Transverse Ranges, Verdugo Mountains, north side of the range, Whiting Woods Road just north of Henderson Canyon, near homes close to base of the range 457 Comment
  RSA0091350  Festuca octoflora R. G. Swinney 2011-4-1 14300 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR86832  Festuca octoflora Scott D. White 1995-4-27 2959 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  CATA782  Festuca perennis Mark L. Hoefs 1991-6-5 1344 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  RSA187862  Filago californica R. F. Thorne 1966-4-28 36224 a Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  RSA647856  Filago gallica LeRoy Gross, Laura Moore 2000-6-5 204 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  RSA719497  Filago gallica Gary Kovnat, LeRoy Gross 2004-4-25 50 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  CATA292  Foeniculum vulgare Mark L. Hoefs 1973-6-4 310 Los Angeles Santa Catalina Island: Field above golf course #4 green, Avalon Canyon 53 Comment
  RSA596213  Forestiera pubescens Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-11 3385 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  UC1123329  Forestiera pubescens G. T. Nordstrom 1935-5-11 582 Los Angeles 2 mi nw Mouth of Liebre Gulch; Santa Barbara National Forest, Tejon Quad. 792 Comment
  SEINET9337875  Frangula californica Unknown 2008-7-2 9109 Los Angeles San Gabriel Mountains (Lat. 34 22' 01") Comment
  CAS-BOT-BC52544  Frangula californica subsp. californica Le Roy Abrams 1900-8-10 1021 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC52546  Frangula californica subsp. californica H. E. McMinn 1925-8-6 1554 Los Angeles Sawpit Dam, San Gabriel Mts. Comment
  POM306717  Frangula californica subsp. californica Henry J. Ramsey, Henry J. Ramsey 1937-7-18 1665 Los Angeles Soldiers' Creek, San Gabriel Mountains. Comment
  RSA4831  Frankenia grandifolia James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Comment
  CATA1240  Frankenia salina Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2318 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  CAS-BOT-BC217360  Frasera neglecta Robert F. Thorne; M. Z. Thorne 1969-7-10 38375 Los Angeles E-facing slope N of Jackson Lake, Angeles National Foerst, San Gabriel Mountains 1859 Comment
  CAS-BOT-BC217370  Frasera neglecta A. D. E. Elmer 1902-6-1 3609 Los Angeles Acton Comment
  UCR182476  Frasera neglecta R. G. Swinney 1997-7-17 5684 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
  RSA602343  Fraxinus dipetala Scott D. White 1997-5-8 5088 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  SFV6005  Fraxinus dipetala S. Cutler 1972-4-7 s. n. Los Angeles San Gabriel Mountains Tributary of Sand Canyon. 945 Comment
  UC878071  Fraxinus dipetala F. Grinnell 1917-3-31 Los Angeles near Newhall Pass; Santa Susanna Mts. Comment
  CAS-BOT-BC218563  Fraxinus velutina I. M. Johnston 1918-7-28 2097 Los Angeles San Gabriel River at El Monte 91 Comment
  UC277059  Fraxinus velutina I. M. Johnston 1918-7-28 2097 Los Angeles El Monte San Gabriel River 91 Comment
  RSA0048379  Fremontia californica E. Gooley 1968-5-20 s.n. Los Angeles n3, Aliso Canyon Road, San Gabriel Mountains. 1066 Comment
  CAS-BOT-BC212392  Fremontodendron californicum Joseph Andorfer Ewan 1936-7-29 9853 Los Angeles West slope Table Mt., Southwest Valley, San Gabriel Mts. 2133 Comment
  RSA777875  Fremontodendron californicum R. G. Swinney 2009-6-17 11206 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  POM175432  Fritillaria pinetorum Joseph A. Ewan 1930-6-24 2676 Los Angeles N slope Mt Islip, San Gabriel Mountains 2287 Comment
  POM129904  Funastrum cynanchoides var. hartwegii C. F. Baker 1903-8-5 3676 Los Angeles Claremont. Comment
  UC188982  Galium andrewsii subsp. intermedium S. B. and W. F. Parish June 1887 1896 Los Angeles Elizabeth Lake Comment
  SBBG68898  Galium angustifolium subsp. angustifolium R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UC440444  Galium angustifolium subsp. angustifolium Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topango Canyon Santa Monica Mountains Comment
  UCR282138  Galium angustifolium subsp. angustifolium R. G. Swinney 2014-5-15 16548 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  JEPS56099  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-20 4158 Los Angeles road to Valyermo 8 mi nw Big Pines Comment
  JEPS56057  Galium angustifolium subsp. gabrielense Clare B. Hardham 1966-8-29 14288 Los Angeles Sunset Mtn.<?> Road San Gabriel Mts. 1676 Comment
  CATA597  Galium aparine Mark L. Hoefs 1991-4-7 1042 Los Angeles Santa Catalina Island: Upper Avalon Canyon, above Wrigley Memorial and Garden, near road to Divide 326 Comment
  POM244895  Galium aparine F. R. Fosberg 1931-4-15 S 4613 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA599763  Galium aparine Steve D. Boyd, Lauren Raz 1997-5-6 9782 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UC1587718  Galium aparine Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-19 5261 Los Angeles westerly fork of canyon draining to Mosquito Cove ([drainage beginning 800 ft n of Rest [1336'] marker, 1800 ft se of Malo Knoll [1396'], beginning of drainage); San Clemente Island, Near-Death Canyon 384 Comment
  LA208421  Galium californicum subsp. flaccidum Louis C. Wheeler; 1932-7-2 899 Los Angeles San Gabriel Mountains, Browns Flat--Feen Canyon water trail, San Gabriel Mts 1219 Comment
  CATA1021  Galium catalinense Mark L. Hoefs 1995-5-4 1938 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  RSA653930  Galium grande Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1030 Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 823 Comment
  RSA762164  Galium grande Orlando Mistretta, Christine Mistretta 2008-5-20 3170 Los Angeles Southern California Edison transmission line corridor (Segment 6, Impact Area 14 per TRTP Survey 2008), Fish Canyon drainage; Van Tassel Motorway just S of Jct. with Monrovia Cyn Truck Trail. 986 Comment
  RSA585774  Galium jepsonii Orlando Mistretta 1995-7-11 1881 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  CAS-BOT-BC223141  Galium johnstonii R. G. Swinney 2008-6-17 9057 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
  UCR191250  Galium johnstonii R. G. Swinney 1998-7-2 6221 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  CAS-BOT-BC223171  Galium nuttallii A. C. Sanders; Mark A. Elvin 2003-6-18 26943 Los Angeles Santa Susana Mountains: along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  POM243777  Galium nuttallii subsp. insulare F. R. Fosberg 1931-5-21 S- 4932 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  SBBG31343  Galium nuttallii subsp. insulare R. F. Thorne 1966-4-5 35832 Los Angeles above stream in Cottonwood Cyn 106 Comment
  LA50678  Galium nuttallii subsp. nuttallii Carl Epling; 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  POM246630  Galvezia speciosa F. R. Fosberg 1931-7-15 S 5415 Los Angeles Isthmus, Santa Catalina Island. 30 Comment
  RSA424704A  Galvezia speciosa M. B. Dunkle 1939-4-4 7249 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA534052  Galvezia speciosa Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5272 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage. 305 Comment
  CATA147  Gambelia speciosa Mark L. Hoefs, A. Douglas Propst 1973-3-14 110 Los Angeles Santa Catalina Island: Ridge between Moonstone and White's Coves 36 Comment
  SBBG96979  Gambelia speciosa S. Boyd with T. Ross, L. Arnseth 1990-4-8 4333 Los Angeles near Malo Pt, second cyn S of Bryce Cyn Comment
  RSA755806  Garrya veatchii R. G. Swinney 2009-1-19 10000 Los Angeles Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  CAS-BOT-BC282619  Gastridium phleoides Eric Walther 1921-7-1 s.n. Los Angeles Howard and Smiths Nursery Comment
  RSA311354  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, M. Z. Thorne 1969-7-9 38531 Los Angeles San Gabriel Mountains, Angeles National Forest: just S of Big Meadow, Big Pines 2088 Comment
  CATA3493  Genista linifolia Benjamin J. Dion, Nathalie Cartan, Michael Thomas 2017-9-28 045 Los Angeles Santa Catalina Island: Interior; on edge of drainage in between Lower Cottonwood Road and Banning Meadow Road in Lower Cottonwood Canyon watershed 129 Comment
  CAS-BOT-BC208064  Genista monspessulana Timothy S. Ross 1993-6-1 7365 a Los Angeles San Gabriel Mountains. NW margin of Chantry Flat. 667 Comment
  RSA621262  Geranium carolinianum Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: West Fork of Morgan Canyon near Fergusson Motorway. 434 Comment
  UCR220354  Geranium incanum R. G. Swinney 2009-4-13 10326 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  CATA3143  Geranium molle Sarah Ratay, Ben Carter 2011-5-6 137 Los Angeles Santa Catalina Island: Bulrush Canyon, 365 meters east of Bulrush-Salta Verde Ridge cutoff road 277 Comment
  RSA0004795  Gilia Anstruther Davidson 1926-05 3617 Los Angeles Between Palmdale and Lancaster, Mohave Desert Comment
  SEINET7072892  Gilia aliquanta A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Mountains southeast of Pearblossom on the San Andreas Rift Zone. Coordinate datum: WGS84/NAD83. (34? deg. 26' 0" North Latitude, -117? deg. 49' 38" West Longitude; UTM Zone 11, 423996mE, 3810325mN, Coordinate datum: NAD27.). Comment
  UC2030119  Gilia angelensis Louis C. Wheeler 1967-5-29 9774 Los Angeles SAN GABRIEL MOUNTAINS: Cow Canyon Saddle, [covered former dump]. Comment
  SEINET4044464  Gilia capitata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 213 Comment
  LA202769  Gilia capitata subsp. abrotanifolia S. Beller; 1926-3-4 sn Los Angeles Santa Monica Mountains, near Calabasas Comment
  LA206993  Gilia latiflora subsp. davyi Eliz. Grant; 1937-5-8 sn Los Angeles Mint Canyon 1523 Comment
  RSA470074  Gilia latiflora subsp. davyi L. C. Wheeler 1932-4-9 566 Los Angeles 4 mi. WSW Fairmont, Antelope Valley. 915 Comment
  UCR260083  Gilia latiflora subsp. davyi Mitch Provance, Callen Huff 2009-4-29 10704 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile NE of Gorman; site PO1087 1390 Comment
  UCR177485  Gilia latiflora subsp. excellens LeRoy Gross 2005-5-3 2211 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  RSA506807  Gilia latiflora subsp. latiflora L. C. Wheeler 1967-5-12 9472 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA778869  Gilia leptantha subsp. transversa Orlando Mistretta, Christine Mistretta 2010-6-1 5230 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  SBBG64472  Gilia minor R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA469632B  Gilia modocensis H. E. Hasse 1906-7-1 1610 Los Angeles Big Rock Creek. Comment
  UCR223810  Gilia modocensis R. G. Swinney 2009-6-17 11202 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  CAS-BOT-BC225493  Gilia nevinii Alice Eastwood 1904-5-1 s.n. Los Angeles Santa Catalina Island Comment
  UC1587212  Gilia nevinii Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5324 Los Angeles terrace flats between Box and Horse Canyons (w side San Clemente Island); , btw Box and Horse Canyons 484 Comment
  UC1594380  Gilia nevinii Tim Ross 1992-4-14 6164 Los Angeles just above mouth Nanny Canyon (lower end canyon, central e side San Clemente Island); San Clemente Island, central e side, Nanny Canyon 182 Comment
  RSA0016256  Gilia ochroleuca subsp. bizonata Steve Boyd, Lauren Raz 1997-3-25 9315 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UCR189838  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-8-31 6880 Los Angeles San Gabriel Mtns., San Antonio Ridge, 2.1 mi. west of West Mt. Baldy 2232 Comment
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May 3 2012
  RSA0017203  Gilia ochroleuca subsp. ochroleuca L. C. Wheeler 1967-5-12 9482 Los Angeles San Gabriel Mountains. ca. 300 m northeast of summit 4183, east of Vincent. 1234 Comment
  CAS-BOT-BC402080  Gilia ochroleuca subsp. vivida F. W. Peirson 1923-5-26 3534 Los Angeles Rock Creek Divide, San Gabriel Mountains Comment
  UCR281978  Gilia stellata R. G. Swinney 2014-4-24 16204 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  CAS-BOT-BC303781  Glyptopleura setulosa Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9488 Los Angeles 16 miles from Lancaster on the Muroc Rd Comment
  RSA666851  Gnaphalium californicum A. C. Sanders, D. Malueg 2001-5-17 24336 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decomissioned. 122 Comment
  UCR273168  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2011-10-25 15852 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  RSA188087  Gnaphalium chilense R. F. Thorne 1966-4-29 36317 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake 411 Comment
  RSA199168  Gnaphalium chilense R. F. Thorne 1968-5-28 37665 Los Angeles Santa Catalina Island, Middle Bulrush Canyon. 244 Comment
  RSA187695  Gnaphalium luteoalbum R. F. Thorne 1966-9-14 36648 Los Angeles Santa Catalina Island: sandy, disturbed area behind Ben Weston Beach 3 Comment
  RSA535333  Gnaphalium luteoalbum Timothy S. Ross, A. R. Ross 1991-5-21 5407 Los Angeles San Clemente Island: E fork of Box Canyon near its jct with the westerly fork. 451 Comment
  UC1595461  Grayia spinosa Tim Ross 1992-4-4 6075 Los Angeles Adobe Mt. s.w. Mohave Desert, Adobe Mt. U.S.G.S. 7.5' topo, Adobe Mt. 926 Comment
  UCR282142  Grayia spinosa R. G. Swinney 2014-4-18 16117 Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  POM359090  Grindelia robusta Edwin Kline 1924-6-9 s.n. Los Angeles Los Angeles, mesa and open ground W of City. Comment
  RSA225679  Guillenia lasiophylla R. F. Thorne, A. C. Gibson 1971-5-22 39752 Los Angeles Angeles National Forest; Fish Canyon 396 Comment
  RSA628871  Guillenia lasiophylla L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, 3/4 mile north of Big Rock Springs. 1159 Comment
  RSA611008  Guillenia lasiophylla L. C. Wheeler 1968-5-25 s.n. Los Angeles Mesa W of Bear Creek. 548 Comment
  UC1118600  Gutierrezia californica A. D. Gifford 1935-1-22 420 Los Angeles 3.7 mi s Red Mountain (in Charlie Canyon); Tejon Quad. 609 Comment
  SEINET11849175  Haplopappus ericoides E. A. Purer 1933-1 5589 Los Angeles El Segundo Comment
  SBBG53959  Hazardia squarrosa K. R. Montgomery, T. W. Strid 1973-8-23 73 -170 Los Angeles Dillon Divide; site of LASCA Cistus field plot Comment
  RSA187654  Hazardia squarrosa var. grindelioides R. F. Thorne 1966-9-16 36716 Los Angeles Santa Catalina Island, Renton Mine Road, near upper end Pebbly Beach Canyon 259 Comment
  SEINET13203208 Image available Hazardia squarrosa var. grindelioides R. G. Swinney 2011-1 15866 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
  UC1118876  Hazardia squarrosa var. grindelioides Jerome S. Horton 1939-9-29 247 Los Angeles divide between East Fork San Dimas Canyon and San Gabriel Canyon (4350 Climactic Station, San Gabriel Divide); Cucamonga Quadrangle Comment
  UC1587565  Hazardia squarrosa var. grindelioides Tim Ross 1991-9-2 5908 Los Angeles near Mulholland Highway x Yerba Buena Road; Triunfo Pass 7.5' quadrangle, Santa Monica Mountains 472 Comment
  CAS-BOT-BC302324  Hazardia squarrosa var. squarrosa Louis C. Wheeler 1931-9-25 159 Los Angeles Eagle Rock 274 Comment
  RSA792130  Helenium bigelovii Jane Tirrell 2012-8-20 LS 0163 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Jimmy Springs. 2259 Comment
  UCR227756  Helianthemum greenei R. F. Thorne, Sherwin Carlquist 1966-4-29 36315 Los Angeles Channel Islands, Santa Catalina Island 381 Comment
  CAS-BOT-BC223982  Helianthemum scoparium Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  LA105395  Helianthemum scoparium Barry A. Prigge; 8541 Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  LA94379  Helianthemum scoparium Louis Wheeler; 1932-4-30 665 Los Angeles Santa Monica Mountains, Mandeville Canyon 152 Comment
  UCR219433  Helianthus annuus R. G. Swinney 2009-3-28 10185 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  RSA657154  Helianthus annuus subsp. lenticularis Joseph M. Keefe 2001-1-19 30888 Los Angeles 5623 Raber Street, at intersection with Upperton Avenue, Highland Park District 207 Comment
  POM359984  Helianthus annuus subsp. lenticularis F. R. Fosberg 1930-10-18 641 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  CAS-BOT-BC305690  Helianthus gracilentus A. D. E. Elmer 1902-6-1 3611 Los Angeles Acton Comment
  CHSC95512  Helianthus gracilentus LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1090 Los Angeles Transverse Ranges: Verdugo Mountains region: North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Low foothills north of the 210 freeway. We followed the firebreak southwest. 598 Comment
  CAS-BOT-BC305788  Helianthus nuttallii Ernest Braunton 1902-9-1 698 Los Angeles Los Angeles Comment
  RSA650980  Heliotropium curassavicum T. Strid 1972-6-10 s.n. Los Angeles Puddingstone Dam. 274 Comment
  POM369741  Heliotropium curassavicum var. oculatum F. R. Fosberg 1931-5-18 4896 Los Angeles Santa Catalina Island, Little Harbor 2 Comment
  UC159224  Helminthotheca echioides Theodore W. Minthorn 1910-9-25 3 Los Angeles near Cienega; Southern California Comment
  OBI35688  Helminthotheca echioides Rebecca Cicoria 1982-5-8 69 Los Angeles Palos Verdes Peninsula: Upper end of Altamira Cyn, Rolling Hills Comment
  POM360257  Hemizonia fasciculata George R. Johnstone 1934-5-20 18974 Los Angeles Santa Catalina Is. Descanso Canyon. Comment
  UCR126890  Hemizonia fasciculata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26156 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  RSA0034515  Hemizonia fasciculata Fred M. Reed 1909-7-2 2822 Los Angeles Pebbly Beach Road near Avalon, Catalina Island. 15 Comment
  RSA696928  Hemizonia fasciculata R. H. McArthur 1932-4-30 s.n. Los Angeles Limestone Bouscout Camp. Comment
  RSA678919  Hemizonia parryi subsp. australis Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/ Studebaker Rd., near Long Beach Marina. Salt marsh and seasonal freshwater wetland 5 Comment
  RSA726015  Herniaria hirsuta subsp. cinerea A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26147 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  SBBG108961  Hesperevax sparsiflora S. A. Junak 1997-3-13 SCl 784 Los Angeles ridge between 2 forks of first cyn E of Mosquito Cyn, near head of W fork, ca. 0.54 mi E of Triangulation Pt "Rest" 365 Comment
  CAS-BOT-BC403830  Hesperocnide tenella Louis C. Wheeler 1932-4-23 649 Los Angeles Mandeville Canyon, Santa Monica Mts. 137 Comment
  LA47634  Hesperocyparis goveniana Henry J. Thompson; 1959-3-27 1898 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi NE of peak. 609 Comment
  UCR255824  Hesperoyucca whipplei R. G. Swinney 2010-5-4 12504 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR271160  Hesperoyucca whipplei R. G. Swinney 2011-7-8 15481 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  SEINET12265279  Hesperoyucca whipplei F. A. Thackery 1928-1 435 Los Angeles Mulholland Drive Comment
  RSA0110756  Heteromeles arbutifolia R. G. Swinney 2011-10-25 15867 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  SBBG96052  Heteromeles arbutifolia M. B. Dunkle 1939-11-24 7344 Los Angeles Mosquito summit Comment
  SEINET10833118  Heteromeles arbutifolia David B. Dunn 1971-8-11 Dunn 18102 Los Angeles Cultivated plants at 4911 pasadena ave. Terrace Comment
  JEPS20375  Heterotheca grandiflora I. W. Clokey and E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon Comment
  UCR256252  Heterotheca grandiflora R. G. Swinney 2010-3-22 12084 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA0075833  Heterotheca grandiflora Orlando Mistretta 1995-7-12 1900 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  SEINET5200655  Heterotheca sessiliflora Unknown 2002-8-10 69 Los Angeles Big Tujunga Canyon Road at the Tujunga Dam parking lot, N of Tujunga in Angeles National Forest. 2 miles W of jct. with Angeles Forest Hwy. Comment
  CAS-BOT-BC310841  Heterotheca sessiliflora subsp. fastigiata Lewis S. Rose 1946-7-23 46239 Los Angeles Santa Monica Mts., Mulholland Drive above Hollywood 365 Comment
  CAS-BOT-BC310847  Heterotheca sessiliflora subsp. fastigiata Le Roy Abrams 1900-8-9 851 Los Angeles Monrovia Comment
  UCR12254  Heuchera abramsii Art Whistler 1966-6-23 s.n. Los Angeles Hwy 2 past Mt. Wilson Rd. 2287 Comment
  CAS-BOT-BC48173  Heuchera elegans Le Roy Abrams; E. A. McGregor 1908-7-3 600 Los Angeles North Baldy Mountain, San Gabriel Mountains 2438 Comment
  RSA0062940  Heuchera elegans Scott D. White, Dave Bramlet 1998-6-29 6807 Los Angeles North of Mt. Islip: Cortelyou Spring, S of Hwy 2 just east of jtn. Hwy. 39. 2043 Comment
  RSA0063274  Heuchera elegans R. G. Swinney 1998-7-29 6546 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground. 1817 Comment
  UCR209885  Hieracium albiflorum R. G. Swinney 2008-7-16 9261 Los Angeles San Gabriel Mtns., Cooper Canyon, 1.5 mi. NE of Burkhart Trail parking lot along the trail, NE of Buckhorn Campground 1707 Comment
  OBI26213  Hirschfeldia incana Mark Schneider 1974-1-3 s.n. Los Angeles 7 Hills Ranch avocado orchard, Tujunga 549 Comment
  RSA675929  Hirschfeldia incana LeRoy Gross 2003-3-9 785 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
  CAS-BOT-BC55302  Hirschfeldia incana David B. Weissman 1971-6-24 153 Los Angeles Santa Monica Mountains. Corner of Mulholland and Decker Roads. 518 Comment
  SBBG93635  Holocarpha heermannii A. Kingsbury 1983-5-19 37 Los Angeles E side of Hungry Valley Rd off ramp of Interstate 5 914 Comment
  CAS-BOT-BC149941  Holodiscus discolor var. discolor Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10045 Los Angeles Along crest of shoulder of Throop Peak, San Gabriel Mts. 2743 Comment
  CAS-BOT-BC149947  Holodiscus discolor var. discolor S. B. Parish; Tate Rydberg 1914-8-1 s.n. Los Angeles Summit San Antonio Mts. 3026 Comment
  IRVC26359  Hordeum brachyantherum A. C. Sanders 2003-4-16 26030 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  RSA158287  Hordeum intercedens P. H. Raven 1962-4-9 17141 Los Angeles Wilson Cove, San Clemente Island 61 Comment
  CAS-BOT-BC289405  Hordeum murinum subsp. leporinum Peter H. Raven 1959-4-4 13973 Los Angeles Point Dume, Santa Monica Mountains 21 Comment
  POM352457  Hordeum murinum subsp. leporinum Robert Gustafson 1981-3-18 2133 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA0088402  Hordeum murinum subsp. leporinum R. G. Swinney 2010-2-27 11758 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  UCSB6765  Hordeum vulgare Haller, John 1950-5-9 Los Angeles UCLA Botanical Garden Comment
  SEINET6755762  Horkelia cuneata subsp. puberula G. B. Grant, W. Wheeler 1904-5-7 599 Los Angeles Glendora, in waste 'wash' land. Comment
  UCD170960  Horkelia rydbergii R. G. Swinney 2008-10-10 9545 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA93956  Hymenoclea salsola var. salsola F. W. Peirson 1921-5-19 1316 Los Angeles Little Rock Creek: north base of San Gabriel Mountains 945 Comment
  OBI5321  Hyparrhenia hirta T. C. Fuller 1969-7-17 18682 Los Angeles NW corner of Sunset Blvd and Groverton St, Westwood Comment
  RSA509701  Hypericum androsaemum L. C. Wheeler 1967-8-9 10427 Los Angeles San Gabriel Mts., Angelels National Forest: Devil's Canyon S side Mt. Waterman. 2042 Comment
  RSA0011225  Hypericum formosum var. scouleri J. F. Illingworth 1898-1 19 Los Angeles Claremont. Comment
  POM171185  Hypochaeris glabra P. A. Munz 1930-04 11902 Los Angeles Claremont Comment
  CDA5572  Ipomoea mutabilis T. C. Fuller 1963-4-25 10300 Los Angeles Opposite 357 West Channel Pd., Santa Monica. 0 Comment
  SD31210  Isocoma acradenia var. bracteosa Edith A. Purer 1931-4-28 1756 Los Angeles Palos Verdes Hills Comment
  RSA703428  Isocoma menziesii var. menziesii R. E. Riefner Jr. 2004-10-24 04 -449 Los Angeles City of Whittier, Puente Hills, Puente Hills Habitat Conservation Authority Preserve, S along access road in watershed of Worsham Creek, S of Turnbull Canyon Road. 355 Comment
  POM156145  Isocoma menziesii var. vernonioides L. R. Abrams 1904-9-2 4171 Los Angeles Elysian Park. Comment
  POM359489  Isocoma menziesii var. vernonioides F. R. Fosberg 1930-11-11 4179 Los Angeles Templeton, S Puente 100 Comment
  UC87190  Isocoma menziesii var. vernonioides T. S. Brandegee 1883-8-1 Los Angeles Newhall Comment
  UC174042  Isomeris arborea Geo. B. Grant 1901-1 615 Los Angeles Santa Catalina Island Comment
  UC198094  Isomeris arborea Katharine Brandegee May 1916 Los Angeles Santa Catalina Island Comment
  CATA3426  Jacaranda mimosifolia Tobias Nickel, Julia Parish, Jamie Choi, Stuart Olshevski 2017-4-12 002 Los Angeles Santa Catalina Island: Channel side; Hamilton Cove, intersection of Marde Cortez and Alta Vista 54 Comment
  SEINET12267917  Jacaranda mimosifolia J. F. Bright, Wyman, C. 1931-1 5330 Los Angeles Hollywood Comment
  UCR224313  Juglans californica Justin M. Wood 2009-8-18 1249 Los Angeles San Gabriel Valley, city of Claremont, Bernard Field Station, northwest corner of Mills Ave and Foothill Blvd 421 Comment
  SEINET13942198 Image available Juglans californica Peter H. Raven 1960-1 15361 Los Angeles Santa Monica Mountains, oak woodland, Piuma Road 2.1 miles east of Rambla Pacifica. 34 deg. N, between 118 deg. and 119 deg. W. 1600 ft. 488 Comment
  SD38495  Juglans californica var. californica F. McCulloch 1931-3-15 Los Angeles Santa Susanna [Pass? possibly Ventura Co. but LA more likely] Comment
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Jul 11 2010
  UCR126676  Juncus acutus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26216 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  CATA3208  Juncus acutus subsp. leopoldii Julie L. King 2016-11-22 27 Los Angeles Santa Catalina Island: Big Springs Canyon, 0.5 miles north on Isthmus Rd. from junction with road to Little Harbor, 60 meters directly east of Isthmus Rd. in drainage 29 Comment
  LA19855  Juncus acutus subsp. leopoldii John Thomas Howell; 1927-6-30 2623 Los Angeles near Long Beach Comment
  RSA729839  Juncus balticus subsp. ater R. G. Swinney 1999-6-21 7360 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA226017  Juncus bufonius var. bufonius Robert F. Thorne, C. W. Tilforth 1971-6-29 40659 -A Los Angeles San Gabriel Mountains, Angeles National Forest: Above Little Creek, just below Little Rock Forestry Station, 1/2 mile below Little Rock Dam 945 Comment
  RSA729590  Juncus bufonius var. bufonius R. G. Swinney 1999-6-30 7490 Los Angeles San Gabriel Mtns.: Grand View Canyon, c. 1.1 mi. north of Big Pines hwy at All Nation Camp 1585 Comment
  RSA509579  Juncus bufonius var. occidentalis L. C. Wheeler 1967-8-2 10338 Los Angeles Angeles National Forest: at Lower Chilao Flat Road 1584 Comment
  UCD169324  Juncus covillei R. G. Swinney 1998-9-4 6907 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom. 1988 Comment
  RSA0110659  Juncus duranii Richard G. Swinney 2010-9-30 13897 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2(Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA226074  Juncus macrophyllus Robert F. Thorne, C. W. Tilforth 1971-6-17 39943 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA0127457  Juncus macrophyllus Louis C. Wheeler 1967-7-20 10137 Los Angeles Aliso Canyon. 1067 Comment
  RSA645706  Juncus mexicanus A. C. Sanders, E. J. Lott 1993-5-6 13954 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F . 701 Comment
  UCR172295  Juncus mexicanus Anuja Parikh, Nathan Gale 2005-7-16 2141 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  UCR239959  Juncus mexicanus R. G. Swinney 2009-11-16 11646 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
  JEPS45909  Juncus orthophyllus Victor Duran 1933-7-22 3526 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  RSA536050  Juncus patens Timothy S. Ross 1991-5-21 5405 Los Angeles San Clemente Island, E fork of Box Canyon near junction with westerly fork 451 Comment
  RSA70061  Juncus rugulosus F. W. Peirson 1924-8-23 5057 Los Angeles west fork of San Gabriel River 411 Comment
  JEPS63874  Juncus textilis Frank W. Peirson 1921-6-20 1640 Los Angeles North Fork San Gabriel River San Gabriel Mountains 762 Comment
  RSA603787  Juncus textilis L. C. Wheeler 1947-9-11 6627 Los Angeles South El Monte: San Gabriel River, near Potrero Chico. Comment
  POM1337  Juncus textilis I. M. Johnston 1916-11-26 s.n. Los Angeles Evey Canyon. 1143 Comment
  RSA653375  Juncus xiphioides LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 265 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  CAS-BOT-BC81010  Juniperus californica Roxana S. Ferris 1918-6-12 948 Los Angeles 3 miles above Acton on Palmdale - Saugus Road Comment
  UCR205537  Juniperus californica A. C. Sanders, T. B. Salvato 2009-5-21 36896 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  UCSB215  Juniperus californica Ralph, F. 1959-7-18 Los Angeles On U.S. 99, 9.6 miles south of its jct. with Calif. 138 762 Comment
  POM994  Juniperus californica I. M. Johnston 981 Los Angeles San Gabriel Wash 152 Comment
  UCR149485  Keckiella antirrhinoides Valerie Soza, L. Moore 2000-5-30 974 Los Angeles Transverse Range; Liebre Mountains, San Franisquito Canyon, at Los Angeles Dept. of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, west of San Francisquito Canyon Road 488 Comment
  RSA549811  Keckiella breviflora var. breviflora Wandalee Thompson 1964-6-16 49 Los Angeles Pine Canyon Rd, south side of N-2, 10 miles west of Elizabeth Lake, foot of Liebre Mountain 1128 Comment
  CAS-BOT-BC235738  Keckiella cordifolia F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canon [Canyon], San Gabriel Mountains Comment
  CAS-BOT-BC235766  Keckiella cordifolia John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  CATA1638  Keckiella cordifolia Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-6-11 2921 Los Angeles Santa Catalina Island: Upper Avalon Canyon, near horse trail 109 Comment
  POM175574  Keckiella cordifolia E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon - North Fork, San Gabriel Canyon. Comment
  RSA401694  Keckiella cordifolia Freda Detmers 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  RSA97667  Keckiella cordifolia R. M. Straw 1954-6-16 613 Los Angeles 0.5 mi. above ranger station, on old road in chaparral; Angeles Crest Hwy, San Gabriel Mountains. Comment
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Dec 11 2014
  RSA293285  Keckiella ternata subsp. septentrionalis D. C. Michener 1980-6-30 3692 Los Angeles San Gabriel Mountais, Indian Canyon: ca. 2 miles south of junction with old CA 14. 900 Comment
  NY790422  Keckiella ternata subsp. ternata T. S. Ross 1991-7-24 5643 Los Angeles Granite Mountain: Pacifico Mountain USGS 7.5' quadrangle 1902.0 Comment
  RSA0080360  Keckiella ternata subsp. ternata R. G. Swinney 2011-6-29 15363 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  CAS-BOT-BC238331  Keckiella ternata var. septentrionalis Ernest C. Twisselmann 1959-6-2 5320 Los Angeles Old Ridge Route, 1.25 mile north of Quail Lake Fire Station 1219 Comment
  UCSB395  Koeleria macrantha Beach, Kay 1943-9-1 Los Angeles Browns Flat, San Dimas Experimental Forest, San Gabriel Mountains Comment
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Jul 10 2013
  LA204717  Krascheninnikovia lanata A. Handschiegel; 1925-5-19 sn Los Angeles Little Rock Creek Comment
  SBBG1819  Krascheninnikovia lanata L. Rowntree 1937-4-22 Los Angeles Antelope Valley Comment
  UCR222824  Krascheninnikovia lanata R. G. Swinney 2009-4-29 10601 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
  UCR280575  Krascheninnikovia lanata R. G. Swinney 2014-4-18 16131 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  RSA604915  Lamium amplexicaule Louis C. Wheeler 1965-4-24 8706 Los Angeles San Gabriel Mountains: Susanna Canyon, by Ed Fricke's place, off East Fork San Gabriel Canyon. Comment
  SD126465  Lampranthus tenuifolius A. C. Sanders 1987-7-22 7169 Los Angeles El Segundo Dunes, west of L.A. International Airport & Pershing Dr, east of Vista Del Mar Blvd. 29 Comment
  OBI2788  Larrea divaricata M. Ikeda 1968-4-27 17 Los Angeles Hwy 138, 10 mi E of Pearblossom 914 Comment
  CAS-BOT-BC338144  Lasthenia californica Geo. B. Grant Apr. 8 3849 Los Angeles Avalon, Santa Catalina Id Comment
  RSA497245  Lasthenia californica L. C. Wheeler 1967-4-30 9203 Los Angeles San Gabriel Mountains; foothills, NW end, between Bouquet Junction and Bonelli Ranch. 366 Comment
  CAS-BOT-BC352881  Lasthenia coronaria Greene 1904-4-30 4157 Los Angeles Claremont Comment
  UC89997  Lasthenia coronaria J. C. Nevin Los Angeles Los Angeles Comment
  LA203787  Lasthenia glabrata subsp. coulteri LeRoy Abrams; 1903-4-10 3240 Los Angeles Ballona marshes, near Mesmer Comment
  JEPS9693  Lasthenia gracilis W. L. Jepson 1935-4-17 17039 Los Angeles Lancaster w. Mohave Desert 716 Comment
  UC1409095  Lasthenia gracilis Robert F. Thorne 1966-4-15 36001 Los Angeles 2/3 mi sse Eel Point (n of Seal Cove); San Clemente Island 76 Comment
  UC55088  Lasthenia gracilis unknown 1903-4-23 5427 Los Angeles Saugus Comment
  UC90006  Lasthenia gracilis J. C. Nevin Los Angeles San Clemente Comment
  JEPS31171  Lasthenia microglossa Ernest C. Twisselmann 1962-4-18 6946 Los Angeles .25 mi nw of old Liebre Ranch headquarters; Liebre Mountains 1066 Comment
  UC1587158  Lathyrus latifolius Tim Ross 1991-5-21 5406 Los Angeles e fork of Box Canyon, near its junction with the westerly fork San Clemente Island, Box Canyon 451 Comment
  RSA161233  Lathyrus tingitanus P. H. Raven 1962-5-20 17765 Los Angeles Santa Catalina Island, Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off. Comment
  RSA405669  Lathyrus vestitus subsp. laetiflorus Richard C. Barkelew 1929-4-7 15826 Los Angeles Cahuenga Pass Comment
  RSA405686  Lathyrus vestitus subsp. laetiflorus Alva Watry 1931-5-10 s.n. Los Angeles Rattlesnake Canyon 1067 Comment
  RSA674718  Lathyrus vestitus subsp. vestitus Scott D. White, P. De Vries 2000-5-18 7906 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
  RSA90279  Lathyrus vestitus var. vestitus F. W. Peirson 1919-4-19 374 Los Angeles Pacoima Canyon, west end of San Gabriel Mountains. 671 Comment
  RSA434051  Lavatera assurgentiflora subsp. assurgentiflora F. R. Fosberg 1931-5-22 7167 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  POM361655  Layia glandulosa Anstruther Davidson 1895-05 2024 Los Angeles Manzana. Comment
  CAS-BOT-BC321515  Layia glandulosa Le Roy Abrams; E. A. McGregor 1908-6-20 365 Los Angeles Libre Mountain 1463 Comment
  CAS-BOT-BC321529  Layia glandulosa I. Johnston 1917-5-13 976 Los Angeles San Gabariel Wash 152 Comment
  RSA598144  Layia glandulosa V. W. Steinmann, T. S. Ross 1995-5-8 668 Los Angeles Liebre Mountains, slopes between Leona Valley and 'Lost Valley' 1100 Comment
  RSA92283  Layia glandulosa F. W. Peirson s.n. Los Angeles Wash of Arroyo Seco, Pasadena Comment
  UC1069734  Layia glandulosa A. D. Gifford 1935-3-15 466 Los Angeles 2 mi from mouth Elizabeth Lake Canyon; Tejon Quadrangle Comment
  UCD133988  Layia platyglossa Daryl Koutnik; Vickie Dawes 1978-4-6 261 Los Angeles south of Palmdale on State Highway 138 to Little Rock. 816 Comment
  CAS-BOT-BC380220  Layia platyglossa Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Cnyon 198 Comment
  RSA409624  Lepechinia fragrans Christopher Davidson, B. Gustafson 1975-6-24 2870 Los Angeles Big Tujunga Canyon, ca. 5 mi NE of Sunland on rd 2N78 in a small side canyon running SW. 686 Comment
Read comments
Oct 21 2014
  CAS-BOT-BC89425  Lepidium fremontii Roxana S. Ferris 1918-6-12 908 Los Angeles Vacant lot, Lancaster. Comment
  SBBG98635  Lepidium lasiocarpum var. lasiocarpum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5100 Los Angeles North Head; WNW of new landing field 15 Comment
  CHSC95806  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Transverse Ranges: San Gabriel-Verdugo Mountains Region: Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena. 335 Comment
  POM121543  Lepidium nitidum Marcus E. Jones 1882-11-29 3036 Los Angeles Pasadena. Comment
  UCR126800  Lepidium oblongum var. insulare L. C. Wheeler 1976-3-20 s.n. Los Angeles Coastal Plain, Long Beach Harbor, Windham St. at Embarcadero St. 3 Comment
  CDA3814  Lepidium pinnatifidum G. C. Fleischman 1942-4-6 Los Angeles La Senda Station, Southern Pasadena. 0 Comment
  RSA603097  Lepidium virginicum var. pubescens L. C. Wheeler 1936-6-26 4191 Los Angeles Tanbark Flat, San Dimas Canyon, San Gabriel Mts. 853 Comment
  RSA65792  Lepidium virginicum var. virginicum F. W. Peirson 1918-11-2 298 Los Angeles summit of Mt. Wilson Comment
  CAS-BOT-BC328061  Lepidospartum squamatum Joseph Andorfer Ewan; Nesta Ewan 1936-8-5 9930 Los Angeles Mescal Creek. San Gabriel Mts. 1524 Comment
  CAS-BOT-BC328077  Lepidospartum squamatum H. E. McMinn 1925-8-6 1558 Los Angeles Sawpit Canon, San Gabriel Mts. Comment
  POM305225  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1937-8-23 489 Los Angeles Altadena. Comment
  UC1211127  Leptodactylon californicum Huron H. Smith 1912-5-1 4897 Los Angeles Eagle Rock Valley 152 Comment
  UC310863  Leptodactylon californicum Philip A. Munz 1925-3-18 8924 Los Angeles Newhall Grade Comment
  RSA648214  Leptodactylon californicum Stephen Hill 1981-2-2 14 Los Angeles 0.7 mi. S. of Silverbit on Valley Center in open field on N. side of road. Comment
  SEINET3087492 Image available Leptodactylon californicum subsp. californicum David Charlton 1987-1-31 635 Los Angeles Saddle Peak, Santa Monica Mountains. 610 Comment
  CLARK-A1528-3533  Leptodactylon pungens John C. Roos 1937-7-16 2421 Los Angeles San Gabriel Mountains Comment
  RSA468562  Leptosiphon androsaceus I. W. Clokey 1930-5-13 s.n. Los Angeles Bouquet Canyon. Comment
  RSA469967  Leptosiphon bicolor Blanche Trask 1901-03 3044 Los Angeles Avalon, Catalina Island. Comment
  RSA230189  Leptosiphon breviculus R. F. Thorne 1969-7-2 38226 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  RSA72997  Leptosiphon breviculus F. W. Peirson 1923-5-26 3543 Los Angeles Rock Creek. 1296 Comment
  RSA774605  Leptosiphon breviculus R. G. Swinney 2009-7-29 11414 Los Angeles Pacifico Mountain summit 2134 Comment
  UCR277079  Leptosiphon breviculus R. G. Swinney 2011-6-7 15097 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  RSA78095  Leptosiphon breviculus Verne Grant, Alva Grant 1953-6-24 18498 Los Angeles San Gabriel Canyon, San Gabriel Mts. Comment
  RSA0070335  Leptosiphon parviflorus R. G. Swinney 2010-6-8 13183 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 494 Comment
  SBBG19656  Leptosyne bigelovii E. C. Twisselmann 1963-6-3 8367 Los Angeles rd to US Hwy 99, just W of Gorman 1203 Comment
  SBBG60881  Leptosyne bigelovii R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  SD234292  Leptosyne bigelovii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25711 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon. 334 Comment
  UCR280519  Leptosyne bigelovii R. G. Swinney 2014-4-17 16069 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  CAS-BOT-BC339278  Lessingia glandulifera var. glandulifera C. F. Baker 1903-8-1 3444 Los Angeles Claremont Comment
  POM11457  Lessingia glandulifera var. glandulifera P. A. Munz 1920-8-11 4384 Los Angeles 1 mi. So. of Claremont. 366 Comment
  CAS-BOT-BC339559  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1966-9-8 12787 Los Angeles San Emigdio Range and the Mt. Pinos Region. Castaic Valley 1188 Comment
  CAS-BOT-BC444442  Lewisia rediviva var. minor I. M. Johnston 1917-7-3 1412 Los Angeles San Antonio Mountains. Head of San Antonio Canon [Canyon] 2438 Comment
  POM352204  Leymus triticoides A. Chase 1930-4-26 S- 3008 Los Angeles Los Angeles. Culver gargen. Comment
  UCR146685  Lilium humboldtii Scott D. White 2004-8-20 10725 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  UCR108460  Lilium humboldtii subsp. ocellatum L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains, Fish Fork 1098 Comment
  RSA250561  Lilium parryi Robert F. Thorne, John Dourley 1967-10-3 37278 Los Angeles Mt. Baden-Powell: Lamel Spring 2378 Comment
  UCR197132  Limonium sinuatum LeRoy Gross 2007-4-21 2639 Los Angeles Transverse Range; Verdugo Mountains, along Oakmont View Drive within the Oakmont tract 416 Comment
  RSA250508  Limosella acaulis Robert F. Thorne, John Dourley 1967-10-10 37340 Los Angeles San Gabriel Mtns., Angeles National Forest: Jackson Lake. 1867 Comment
  LA206671  Linanthus californicus Marion Olsen; 1926-4-3 sn Los Angeles Pasadena Comment
  LA34970  Linanthus californicus Mary V. Hood; 1939-5-29 39- 57 k* Los Angeles near Charlston Flats Comment
  RSA505062  Linanthus californicus Orlando Mistretta 1987-6-25 s.n. Los Angeles Angeles National Forest. San Gabriel Mts; eastern flank of Mt. Gleason near microwave tower. Comment
  RSA545771  Linanthus californicus L. Arnseth 1992-5-16 32 Los Angeles San Gabriel Mountains, San Antonio Canyon: Mt. Baldy Road, approx. 2 miles N of San Antonio Dam. 854 Comment
  POM49702  Linanthus californicus subsp. glandulosus L. R. Abrams 1901-04 1400 Los Angeles Monte Vista. Comment
  RSA652611  Linanthus californicus subsp. glandulosus A. Mayor, N. Daly 1973-5-5 s.n. Los Angeles Tapia Park, Malibu Cyn. Comment
  SBBG17074  Linanthus dianthiflorus M. Vincent 1962-3-14 155 Los Angeles Malibu Cyn Rd, 1 mi from US Hwy 101 Comment
  POM65947  Linanthus dianthiflorus subsp. dianthiflorus C. F. Baker 1904-3-18 4060 Los Angeles Claremont. 365 Comment
  RSA0016795  Linanthus dianthiflorus subsp. dianthiflorus Richard C. Barkelew 1929-4-14 s.n. Los Angeles Mulholland Hwy. Comment
  UC421658  Linanthus parviflorus John Thomas Howell 1928-6-10 3873 Los Angeles Monrovia Canyon San Gabriel Mts. Comment
  UC674908  Linanthus parviflorus Francis W. Pennell Apr 18 1940-Apr 19 1940 25141 Los Angeles Route 99 Oak Flat Camp 883 Comment
  RSA400299  Linaria canadensis var. texana Reid V. Moran 1941-3-10 695 Los Angeles Salte Verde, Santa Catalina Island. 200 Comment
  RSA0068088  Lindernia dubia Michael C. Long 2015-7-16 926 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 Comment
  RSA0022055  Linum usitatissimum R. G. Swinney 2009-4-13 10324 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. 184 Comment
  RSA562539  Lithophragma affine Steve Boyd, W. Appleby 1993-4-22 7987 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  SDSU9549  Lithophragma affine Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon. San Gabriel Mtns., Chantry Flats Trail about 1/8 mile from top of canyon. Comment
  RSA468215  Lithophragma heterophyllum Louis C. Wheeler 1932-4-16 618 Los Angeles Trail from Halfway House-Hogee s Camp, W side of Santa Anita Canyon, San Gabriel Mountains 671 Comment
  RSA65596  Loeflingia squarrosa F. W. Peirson 1920-5-3 2123 Los Angeles Little Tujunga Wash, west end of San Gabriel Mts. 335 Comment
  RSA690931  Loeseliastrum matthewsii J. Mark Porter, Lauren Machen 2004-5-2 14089 Los Angeles San Gabriel Mountains, northern foothills; ca. 0.25 mi. E of Largo Vista Road, several miles S of the California Aqueduct. 1360 Comment
  POM146290  Loeseliastrum matthewsii J. B. Feudge 1925-5-23 1797 Los Angeles N. or Rosamond. 762 Comment
  RSA0042041  Logfia gallica R. G. Swinney 2010-5-4 12492 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA150937  Lolium perenne P. H. Raven 1962-5-8 17617 Los Angeles Wilson Cove, barracks area; San Clemente Island 91 Comment
  UCR125169  Lolium perenne A. C. Sanders, Mark Elvin 2002-6-25 25280 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  POM356962  Lolium perenne subsp. multiflorum M. R. Everett 1941-07 20503 Los Angeles Los Angeles Comment
  RSA653619  Lolium perenne subsp. multiflorum Monica Acosta 1998-5-26 24 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona) 226 Comment
  RSA774832  Lolium perenne subsp. multiflorum Orlando Mistretta, Christine Mistretta 2010-6-8 5284 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  RSA13881  Lolium rigidum L. C. Wheeler 1933-6-24 1875 Los Angeles Sepulveda Blvd. at Los Angeles River, San Fernando Valley 198 Comment
  RSA187832  Lolium temulentum R. F. Thorne 1966-4-29 36295 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon 198 Comment
  CAS-BOT-BC271180  Lolium temulentum Peter H. Raven 1959-5-3 14075 Los Angeles Mulholland Drive near head of Franklin Canyon, Santa Monica Mountains 365 Comment
  RSA732539  Lomatium dasycarpum A. C. Sanders 2003-4-29 26171 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, N of Charlie Canyon and E Lake Hughes Rd. 396 Comment
  RSA0037090  Lomatium dasycarpum subsp. dasycarpum Vasu Dev, Barbara Dev, Chris Hanzlik 2007-4-22 s.n. Los Angeles About six miles north-east off Bouquet Canyon Road beyond its junction with Vasquez Canyon Road, north-west facing hill above the cabins. 730 Comment
  RSA0091799  Lomatium dasycarpum subsp. dasycarpum Bonnie C. Templeton 1957-4-27 s.n. Los Angeles Bouquet Canyon. Comment
  RSA640242  Lomatium mohavense subsp. mohavense R. F. Thorne, R. Carolin, C. Davidson 1967-3-23 41592 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  UCR269951  Lomatium nevadense R. G. Swinney 2010-6-1 13100 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
  RSA599884  Lomatium nevadense var. parishii Steve Boyd, Lauren Raz 1997-5-6 9729 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA597995  Lomatium vaginatum Steve Boyd, Lauren Raz 1997-3-14 9167 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, along Pacific Crest Trail on top of ridgeline east of Horse Camp Canyon., Near 34 deg 43' 55.9''N 118 deg 39' 33.8''W 1450 Comment
  CAS-BOT-BC240498  Lonicera hispidula Alice Eastwood 1917-7-20 6509 Los Angeles Santa Catalina Island Comment
  CATA319  Lonicera hispidula Mark L. Hoefs, A. Douglas Propst 1973-6-5 346 Los Angeles Santa Catalina Island: Skull Canyon 182 Comment
  CATA822  Lonicera hispidula Mark L. Hoefs 1991-6-17 1414 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon 329 Comment
  SEINET12266962  Lonicera subspicata I. W. Clokey, Templeton, B. 1929-1 4554 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  RSA604393  Lotus argophyllus var. argenteus Sara L. Crockett, Steven A. Junak, Mark Hoefs, Janet Takara 1997-3-28 615 Los Angeles Santa Catalina Island. S of Two Harbors on Cat Harbor Road. 30 Comment
  RSA724433  Lotus argophyllus var. argophyllus K. Dobry 1990-3-25 118 Los Angeles Simi Hills at Dayton Canyon Comment
  RSA350756  Lotus argophyllus var. hancockii M. B. Dunkle 1939-4-4 7252 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  JEPS55394  Lotus crassifolius F. W. Peirson 1918-6-17 103 Los Angeles Rock Creek San Gabriel Mts. 1524 Comment
  UCR57210  Lotus heermannii R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon 366 Comment
  RSA586283  Lotus humistratus Orlando Mistretta 1995-3-14 1536 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  UC15714  Lotus nevadensis var. davidsonii H. M. Hall Jun 1899 1253 Los Angeles Swartout Canyon San Antonio Mountains 2133 Comment
  SEINET12154233  Lotus nevadensis var. davidsonii Unknown 1963-1 825 Los Angeles Cloudburst Summit, San Gabriel Mts 2134 Comment
  RSA0096798  Lotus oblongifolius R. G. Swinney 2011-10-10 15728 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  UCR189891  Lotus oblongifolius R. G. Swinney 1998-7-14 6434 Los Angeles San Gabriel Mtns., SW of Wrightwood, 7.1 miles SE of Hwy 2 and 3N06 junction at 3N39, stream crossing road in a tributary canyon of Prairie Fork 2171 Comment
  RSA652441  Lotus oblongifolius var. oblongifolius Marion P. Harthill 1972-4-7 s.n. Los Angeles Azusa Canyon. 457 Comment
  UCR173881  Lotus salsuginosus Scott D. White, Michael Honer 2003-6-18 9560 Los Angeles Liebre Mtns, Canyon Country: immediately above homes and detention basins in tributary west of Tick Canyon 640 Comment
  HSC98236  Lotus salsuginosus G. E. Anderson 1966-4-6 56 Los Angeles On Hwy. 1 N of Hwy. 27, 1 mi. right on coast. Comment
  RSA406803  Lotus salsuginosus var. salsuginosus F. R. Fosberg 1931-4-1 S- 4443 Los Angeles Avalon, Santa Catalina Island. 5 Comment
  RSA0031844  Lotus scoparius Geraldine Dodd 1992-5-9 006 Los Angeles 3 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts. 1066 Comment
  RSA406847  Lotus scoparius Ronald Estes 1949-6-24 4239 a Los Angeles Los Padres National Forest. 457 Comment
  RSA0047410  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-4 12486 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR200010  Lotus scoparius var. scoparius Valerie Soza, Mariam Sidibeh 2003-3-26 1600 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Haines Canyon Park vicinity, SSW of Dorothy and Estepa Drive intersection 549 Comment
  RSA584169  Lotus strigosus T. S. Ross 1990-5-15 2537 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA725181  Lotus strigosus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -103 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  UC75501  Lotus strigosus E. D. Palmer May 1902 Los Angeles near Glendora Comment
  RSA226166  Lotus strigosus Gary D. Cromwell 1971-5-8 642 Los Angeles Mystic Canyon, 2 mi. NE of Glendora, 610 Comment
  RSA249814  Lotus strigosus R. F. Thorne 1973-4-25 43381 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  RSA600203  Lotus strigosus var. hirtellus Steve Boyd, Lauren Raz 1997-5-29 9917 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  RSA188078  Lotus strigosus var. strigosus R. F. Thorne 1966-4-28 36233 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  RSA213333  Lotus strigosus var. strigosus Reid V. Moran 1941-2-25 610 Los Angeles Santa Catalina Island. N of Wilson's Harbor. 50 Comment
  RSA568531  Lotus unifoliolatus E. S. Spalding 1923-5-19 s.n. Los Angeles Roadside, Pasadena Comment
  RSA588162  Lotus unifoliolatus Orlando Mistretta 1994-5-23 1249 Los Angeles San Gabriel Mountains: Little Rock Creek. Drainage E of creek and N of Forest Rd. 4N15. 1280 Comment
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Nov 3 2009
  RSA0107270  Lotus wrangelianus Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-6-11 SCa- 715 Los Angeles Santa Catalina Island. Along horse trail/fire road on E side of Avalon Canyon, across from Quail Canyon and above baseball field. 107 Comment
  UC618226  Lotus wrangelianus Alice M. Ottley 1920-5-8 636 Los Angeles Between Linda Vista Rd and Arroyo Seco; Pasadena Comment
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Apr 28 2016
  UCSB40541  Ludwigia peploides Takeda, Brian 1978-3-6 Los Angeles West of Sepulveda Boulevard at the end of Royal Oak Place, Santa Monica Mountains 243 Comment
  CHSC108516  Ludwigia peploides subsp. montevidensis R. E. Riefner Jr. 2007-6-28 07 -283 Los Angeles Harbor City, Bixby Slough, vicinity of 255th St. and Dodge Ave. UTM 11S 0380759E 3740038N. 39 Comment
  UC56481  Ludwigia peploides subsp. peploides H. M. Hall 1902-5-13 3288 Los Angeles near Fullerton Comment
  CATA82  Lupinus albifrons var. albifrons Peter Henrikson 1987-4-14 63 Los Angeles Santa Catalina Island: Avalon Canyon above baseball diamond, west aspect 76 Comment
  CAS-BOT-BC196148  Lupinus albifrons var. douglasii Reid Moran 1941-3-13 704 Los Angeles Mouth of Hermit Gulch, Santa Catalina Island Comment
  UCR202746  Lupinus andersonii R. G. Swinney 2001-8-27 8098 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  SEINET10488491  Lupinus arboreus David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown n field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa# 6846 x 6457b Comment
  CATA3033  Lupinus bicolor Amy Catalano 2016-3-17 040 Los Angeles Santa Catalina Island: On west side ca. 0.5 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road 324 Comment
  RSA279112  Lupinus bicolor R. F. Thorne 1971-3-18 41499 Los Angeles Cobal Canyon; c. 3 mi N of Claremont, near mouth of canyon 503 Comment
  RSA666626  Lupinus bicolor A. C. Sanders, D. Malueg 1998-6-22 22042 Los Angeles Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  SEINET3371871  Lupinus bicolor G. Rink 2011-6-1 10573 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  SFV1868  Lupinus bicolor K. A. Wilson 1961-3-18 1042 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  UCR205850  Lupinus bicolor R. G. Swinney 2008-5-8 8820 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR219463  Lupinus bicolor R. G. Swinney 2009-3-25 10153 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  UC1401267  Lupinus bicolor David B. Dunn and Epling 1946-4-19 2139 Los Angeles Collected in a grassy meadow on the E side of the highway #138, 2.9 miles S of the junction of the old Ridge Route Road. 853 Comment
  SEINET10484864  Lupinus bicolor subsp. marginatus David B. Dunn 1946-4-19 Dunn 2120 Los Angeles In the arid valley approaching the mojave along the newhall to palmdale, hwy 6 Near acton 610 Comment
  RSA91252  Lupinus breweri var. grandiflorus F. W. Peirson 1921-6-16 2441 Los Angeles Summit of Mt. Waterman, San Gabriel Mountains 2317 Comment
  SBBG69027  Lupinus concinnus R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna Comment
  RSA0107885  Lupinus concinnus Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 558 Los Angeles Santa Catalina Island: Upper part of Hamilton Canyon drainage, just downslope from Airport Road. 305 Comment
  UC284672  Lupinus concinnus P. A. Munz 1923-4-10 6747 Los Angeles w coast San Clemente Island (dry slope of canyon s of Lemon Tank); w coast San Clemente Island Comment
  RSA0047920  Lupinus elatus R. G. Swinney 2010-9-23 13873 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA330795  Lupinus elatus Wayne E. Sawyer 1981-7-12 92 Los Angeles Junction of crest trail and trail to Crystal Lake area 0.15 miles S of Little Jimmy Spring 2302 Comment
  RSA152130  Lupinus excubitus var. austromontanus Wesley O. Griesel 1962-6-6 s.n. Los Angeles Big Pines, San Gabriel Mts 2073 Comment
  RSA586983  Lupinus excubitus var. austromontanus Orlando Mistretta 1992-5-8 313 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA413594  Lupinus excubitus var. hallii Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  CAS-BOT-BC216534  Lupinus excubitus var. johnstonii Scott D. White 1998-6-29 6815 Los Angeles W of Mount Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4 mile closed section of Highway 39 from ca. 1.6 miles W of junction Crystal Lake access road to junction Highway 2. 2011 Comment
  RSA0061216  Lupinus formosus var. robustus Daisie Huang, Bart O'Brien 2008-4-20 08042009 Los Angeles Off Hwy 1138, on 280th St. (dirt road). 274 Comment
  UC1293708  Lupinus formosus var. robustus P. C. Everett and E. K. Balls 1959-5-22 23800 Los Angeles 1/2 to 1 mi se Fairmount ((San Andreas Rift), Antelope Valley); Antelope Valley 853 Comment
  UC1234689  Lupinus guadalupensis Peter H. Raven 1962-4-10 17190 Los Angeles just s of Wilson Cove San Clemente Island (San Clemente Island); , just s of Wilson Cove 91 Comment
  LA200465  Lupinus hirsutissimus A. M. Johnson; 1934-3-16 4336 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA656434  Lupinus hirsutissimus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 698 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 579 Comment
  UCD107820  Lupinus hirsutissimus Elise Jackson 1993-3-21 11 Los Angeles Newhall; NE corner of Dockweiler Rd. and Sierra Hwy. Comment
  RSA414801  Lupinus latifolius subsp. latifolius Albert J. Perkins 1920-5-29 s.n. Los Angeles Arroyo Seco. Comment
  CAS-BOT-BC211696  Lupinus longifolius Theodore Payne 1948-5-15 12286 Los Angeles La Canada Comment
  POM2423  Lupinus longifolius Crawford, Otis Hiatt 1916-3-28 703 Los Angeles Santa Monica Mts. Foothills near city Comment
  POM2430  Lupinus longifolius I. M. Johnston 1910-5-5 1896 Los Angeles Trunbull Canyon, Puente Hills. 366 Comment
  POM2602  Lupinus longifolius Philip A. Munz 1918-4-11 2043 Los Angeles Glendora. Comment
  RSA1024  Lupinus longifolius J. T. Howell 1928-6-29 993 Los Angeles Near Santa Monica 76 Comment
  SEINET3860255  Lupinus microcarpus R. G. Swinney 2009-4-24 10439 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campground.; 0 915 Comment
  OBI48514  Lupinus microcarpus var. microcarpus Rhonda Riggins 1981-5-24 1232 Los Angeles Along Peace Valley Rd (frontage to I5) 0.5 mi S Frazier Mtn Park Rd, 2 mi N Gorman Comment
  CAS-BOT-BC207253  Lupinus peirsonii Lee W. Lenz 1968-6-11 37790 Los Angeles San Gabriel Mts., Angeles National Forest, along Angeles Crest W of Mt. Baden-Powell, N slope of San Gabriel Mts. 2286 Comment
  RSA233605  Lupinus succulentus Robert F. Thorne 1970-3-6 39411 Los Angeles Santa Catalina Island: Indian Rock in Emerald Bay 15 Comment
  UCR186759  Lupinus succulentus T. B. Salvato, Sandra Murcia 2007-3-28 2012 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  SEINET10489017  Lupinus succulentus David B. Dunn 1947-3-19 Dunn 2926 Los Angeles Collected n side of welshire 1/2 block e of manning in a vacant lot. Farther Back on the lot. Comment
  POM2609  Lupinus truncatus Philip A. Munz 1918-4-11 2051 Los Angeles Lone Hill near Glendora. Comment
  SBBG89751  Lupinus truncatus M. B. Dunkle 1939-4-6 7303 Los Angeles Mosquito Harbor Comment
  UC1129729  Lupinus truncatus A. D. Gifford 1935-3-15 467 Los Angeles 2 mi from mouth of Elizabeth Lake Canyon; Elizabeth Lake Canyon 426 Comment
  SDSU5020  Lupinus truncatus Gerald Collier 1951-4-5 3672 Los Angeles Simi Hills near North American Test Grounds about 2 miles northeast of Chattsworth Lake. Comment
  RSA597459  Lycium brevipes var. hassei Angelika Brinkmann-Busi 1991-12-25 s.n. Los Angeles Palos Verdes Peninsula: top of Portuguese Point Comment
  CAS-BOT-BC233483  Lycium californicum LeRoy Abrams 1903-3-14 3131 Los Angeles San Pedro hills near Rocky Mt. Comment
  LA209691  Lycium cooperi A. M. Johnson; 1932-4-17 3989 Los Angeles 10 mi W of Palmdale Comment
  RSA702946  Lycium cooperi Scott D. White, Michael Honer 2004-3-30 9955 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  POM12093  Lyonothamnus floribundus subsp. aspleniifolius Mary F. Spencer 1921-04 1730 Los Angeles San Clemente Island. Comment
  RSA578217  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Given, Gay 1994-8-2 8194 Los Angeles Santa Catalina Island. Upper Gallagher Canyon; drainage origination just NE of Haypress Reservoir. 274 Comment
  SBBG109005  Lyonothamnus floribundus var. aspleniifolius S. A. Junak 1996-10-2 SCl 702 Los Angeles lower portion of Horse Cyn, at foot of long ridge entering cyn from w, 2.78 mi SSW of Thirst 91 Comment
  SBBG12779  Lyonothamnus floribundus var. floribundus E. R. Blakley 1961-9-24 4767 Los Angeles head of the E fork of Cherry Valley; head of a small cyn 152 Comment
  SBBG26459  Lyonothamnus floribundus var. floribundus M. R. Benedict 1965-12-12 Los Angeles near head of major cyn 1.5 mi SW of Johnson's Landing Comment
  UCR217707  Lythrum hyssopifolia A. C. Sanders, Dan S. Cooper 2010-8-5 38541 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR204429  Madia elegans R. G. Swinney 2003-5-12 8194 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.25 mi. S of Big Dalton Cyn. Rd. in upper 'Dunn Canyon' drainage, 0.25 mi. NW of Big Cienega Spring, S of Coulter Pine Trail 518 Comment
  SBBG108579  Madia elegans T. S. Ross 1992-7-12 5992 s Los Angeles home of T. S. Ross, Ontario Comment
  LA31650  Madia gracilis Peter H. Raven; Henry J. Thompson 1959-5-5 14131 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1) 335 Comment
  RSA199191  Madia gracilis R. F. Thorne, D. Propst 1968-5-28 37648 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  CAS-BOT-BC343601  Madia sativa Grant 1902-9-1 5055 Los Angeles Oak Knoll - Pasadena Comment
  NY24351  Mahonia nevinii A. Eastwood 1913-5-11 3143 Los Angeles San Fernando Wash Comment
  CAS-BOT-BC230921  Malacothamnus davidsonii Tim Ross; Steve Boyd 1993-6-30 7387 Los Angeles Western San Gabriel Mtns: near middle portion of Loop Canyon 684 Comment
  CAS-BOT-BC206216  Malacothamnus fasciculatus Peter H. Raven 1962-5-20 17778 Los Angeles Near Bird Park, Avalon, Santa Catalina Island Comment
  CATA789  Malacothamnus fasciculatus Mark L. Hoefs, Robert Given 1991-6-12 1356 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 76 Comment
  POM199710  Malacothamnus fasciculatus I. W. Clokey, Bonnie C. Templeton 1929-07 4595 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  JEPS26418  Malacothamnus fasciculatus var. fasciculatus F. W. Peirson 1918-8-16 114 Los Angeles near Toll-house San Antonio Canyon; , San Gabriel Mtns Comment
  UCR151393  Malacothamnus fremontii Scott D. White, Kent Hughes 2000-5-16 7836 Los Angeles Transverse Ranges; San Gabriel Mtns region, Northern foothills near Acton; bajada slopes and unnamed ephemeral tributaries to Arrastre Canyon 1098 Comment
  RSA524196  Malacothamnus marrubioides Tim S. Ross, Steve D. Boyd 1990-6-6 2889 Los Angeles 0.3 miles ESE of Oak Flat Spring near the intersection of Threemile Grade x the road W to Camp Caula; Los Padres National Forest (admin. by Angeles N.F.). 840 Comment
  UC1586216  Malacothamnus marrubioides Tim Ross, Steve Boyd 1990-6-6 2889 Los Angeles Los Padres National Forest, Piru Pond 644 Comment
  POM362277  Malacothrix coulteri Anstruther Davidson 3640 Los Angeles Catalina [Island] Comment
  SBBG101134  Malacothrix foliosa subsp. foliosa T. Ross, E. Kellogg 1992-4-13 6146 Los Angeles vicinity of Darter, (340 degrees NNW, 1140 m distant from 199' Benchmark near Flasher;, ca. 250 m NNW of shifting sands) 18 Comment
  SD139335  Malacothrix foliosa subsp. foliosa Jon Rebman, Jonathan Dunn 1996-4-29 3107 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 10 Comment
  UCR86531  Malacothrix foliosa subsp. foliosa T. S. Ross, E. Kellogg 1992-4-13 6146 Los Angeles Channel Islands, NW part of San Clemente Island, terrace in vicinity of Darter 18 Comment
  RSA160868  Malacothrix glabrata P. C. Everett, Nick Lolonis 1962-4-30 24458 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  POM155466  Malacothrix saxatilis var. tenuifolia C. B. Wolf 1931-5-13 2003 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando. 366 Comment
  RSA527693  Malacothrix saxatilis var. tenuifolia Timothy S. Ross 1991-6-3 5516 Los Angeles Elephant hill: W Pomona 268 Comment
  RSA54052  Malacothrix saxatilis var. tenuifolia J. T. Howell 1948-7-2 24769 Los Angeles Palos Verde Hills. Comment
  RSA0048473  Malacothrix saxatilis var. tenuifolia A. Lee Haines 1970-4-24 s.n. Los Angeles Point Dume. Comment
  CAS-BOT-BC167858  Malosma laurina Carl B. Wolf 1927-7-24 678 Los Angeles Chevy Chase Drive between Flintridge & Glendale Comment
  UCD63688  Malosma laurina Daniel Sanchez-Mata 2006-6-29 s.n. Los Angeles Azusa. Los Angeles National Forest. S. Gabriel Canyon Road close to Torpedos Dam and Morris Reservoir. 450 Comment
  UC66825  Malva parviflora N. K. Berg 1904-4-16 Los Angeles San Pedro Comment
  SBBG69437  Marah fabacea R. Hoffmann 1932-4-3 Los Angeles where Elizabeth Lake Rd enters hills, Palmdale Comment
  SD113645  Marah fabacea Darley F. Howe 1968-2-24 4486 Los Angeles Catalina Island; hillside south of Isthmus. Comment
  RSA670680  Marah guadalupensis B. C. Templeton 1968-2-25 11394 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  UC519985  Marah macrocarpa Louis C. Wheeler 1932-4-9 570 Los Angeles 4 mi w Fairmont; Mohave Desert 914 Comment
  UCR174493  Marah macrocarpa Wayne Law, Jun Hu 2000-4-30 02 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  RSA133806  Marah macrocarpa P. H. Raven 1959-2-15 s.n. Los Angeles Benedict Canyon at Mulholland Drive. Santa Monica Mtns. 335 Comment
  UC54910  Marah macrocarpa var. macrocarpa J. Q. Adams 1903-3-18 Los Angeles Soldier's Home Comment
  RSA409817  Marrubium vulgare Freda Detmers 1931-03 s.n. Los Angeles Palos Verdes Hills. Comment
  SBBG54356  Matricaria discoidea L. Berinstein 1967-5-18 26 Los Angeles Blanchard Park, Pomona College, Claremont 335 Comment
  RSA583132  Matricaria matricarioides Timothy S. Ross 1993-4-22 6913 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon, along old dirt road (no longer maintained) that ascends the ridge to the N and drops to Thompson Dam. 236 Comment
  SD215541  Medicago lupulina Steve Boyd, Lauren Raz 1996-10-29 9110 Los Angeles Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon 1317 Comment
  SFV16081  Medicago polymorpha S. Mason 1995-5-13 60 Los Angeles Lakewood. 2903 Silva St. 14 Comment
  LA210150  Medicago polymorpha A. M. Johnson; 1932-3-18 3860 Los Angeles Santa Monica Mountains, Westwood, UCLA campus Comment
  SD90559  Medicago sativa Robert F. Thorne 1973-4-13 42977 Los Angeles San Clemente Island, low plateau jusr SE of Airfield Operations 60 Comment
  RSA0040467  Melaleuca viminalis R. E. Riefner Jr. 2007-7-28 07 -331 Los Angeles city of Malibu, Malibu Lagoon, east side of Hwy 1, Malibu Lagoon State Park 4 Comment
  CAS-BOT-BC281528  Melica imperfecta Ira L. Wiggins 1966-4-23 20639 Los Angeles E of 145 St E, between Palmdale Blvd and Avenue O, N of Pearblossom, Mojave Desert Comment
  CAS-BOT-BC281534  Melica imperfecta Peter H. Raven 1959-5-3 14060 Los Angeles Santa Monica Mts. Mulholland Drive near Beverly Glen Blvd 381 Comment
  POM1216  Melica imperfecta D. L. Crawford 1916-5-20 721 Los Angeles Mountains above Claremont. Comment
  RSA547820  Melica imperfecta Timothy S. Ross 1990-6-20 3626 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA592485  Melica imperfecta Mark Hoefs, Doug Propst 1973-3-14 97 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  RSA748840  Melica imperfecta Justin M. Wood 2009-4-13 495 Los Angeles Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 49 Comment
  UCR264058  Melica imperfecta Mitch Provance, Callen Huff 2009-4-28 10767 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  RSA550723  Melilotus albus Tim S. Ross, Annette Ross 1991-7-29 5681 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA239463  Melilotus indicus E. R. Blakley 1963-12-7 6368 Los Angeles San Clemente Island, 200 yards S E of new air strip. 61 Comment
  RSA652187  Melilotus indicus A. E. Hersh 1950-7-5 s.n. Los Angeles Garden 411 Wade St., Venice. 30 Comment
  RSA657639  Melilotus indicus Kristina Sargeant 1992-5-9 92 -026 Los Angeles Flat lot on north side of Tetley St. approx. 200 ft east of intersection of Hacienda Blvd. and Tetley St. in Hacienda Heights. Comment
  RSA776557  Mentha spicata var. spicata Orlando Mistretta, Christine Mistretta 2010-6-15 5311 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  RSA409931  Mentha suaveolens Anstruther Davidson 1896-07 s.n. Los Angeles Glendale. Comment
  UCR259045  Mentzelia R. G. Swinney 2010-5-12 12757 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
  RSA586658  Mentzelia albicaulis Orlando Mistretta 1995-6-1 1746 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  SD247666  Mentzelia jonesii Ed Kentner 2014-3-21 361 Los Angeles Western Mojave Desert, approx. 13 km east of Pearblossom, near the corner of Largo Vista Road and Avenue X-8. 1876 Comment
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Jun 9 2016
  UCR124665  Mentzelia laevicaulis B. C. Templeton 1933-7-21 5052 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  CATA1657  Mentzelia micrantha Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2944 Los Angeles Santa Catalina Island: Lyon's Head Point, west side of Fourth of July Cove 30 Comment
  LA210289  Mentzelia micrantha Henry J. Thompson; 1960-5-14 3063 Los Angeles Santa Monica Mountains, Saddle Peak, along road to fire lookout tower, N of ridge NE of peak 731 Comment
  UCR221907  Mentzelia ravenii R. G. Swinney 2009-4-28 10520 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UC1619925  Mentzelia veatchiana Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 1988 Los Angeles Pine Canyon Rd. along San Andreas fault on n. side of San Gabriel Mts. (Co. Rd. N2) (on n. side of rd.); San Gabriel Mts. Comment
  UC420646  Mentzelia veatchiana Katharine Brandegee Los Angeles Saugus Comment
  RSA250697  Mentzelia veatchiana Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39506 -b Los Angeles SAN GABRIEL MTS.: Edge of Angeles National Forest in Grandview Canyon, ca. 5 mi. S of Hwy. 138, ca. 10 mi. SE of Pearblossom 1433 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
  JEPS30648  Micropus californicus var. californicus Peter H. Raven and Henry J. Thompson 1959-5-5 14132 Los Angeles Mulholland Hwy 1 mi w. Las Virgenes Rd; Santa Monica Mountains, Malibu Creek drainage 335 Comment
  UC1605453  Micropus californicus var. californicus Tim Ross, Janet Takara, and Stacey Otte 1993-4-24 6962 Los Angeles lower Bouchette Canyon draining ne-ward to Johnsons Landing (w end of island beyond isthmus); Santa Catalina Island, Santa Catalina West USGS 7.5' quad 91 Comment
  UCR214456  Microseris A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37635 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  SBBG31051  Microseris douglasii subsp. platycarpha R. F. Thorne 1966-4-29 36302 Los Angeles Airport Rd before turnoff to Middle Ranch Cyn 457 Comment
  UC1349061  Microseris douglasii subsp. platycarpha Robert F. Thorne 1966-4-29 36302 Los Angeles before turn-off to Middle Ranch Canyon (along Airport Road); Santa Catalina Island 457 Comment
  RSA630314  Microseris lindleyi L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  RSA715785  Microseris lindleyi Scott D. White, Pam DeVries 2006-5-10 11423 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR68944  Microseris lindleyi Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4257 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA251497  Microseris lindleyi R. F. Thorne 1973-4-11 42790 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  JEPS23212  Mimulus arenarius Rimo Bacigalupi with Reino Alava 1958-7-20 6416 Los Angeles about 1 mi w Cedar Spring (upper slopes of Little Rock Creek Canyon, n face of Kratka Ridge); San Gabriel Mts., Angeles National Forest 2072 Comment
  RSA638946  Mimulus aurantiacus Louis C. Wheeler 1967-5-15 9566 Los Angeles East of Fremont Pass 579 Comment
  RSA680080  Mimulus aurantiacus Mark A. Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 359 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Rd. 7.3mi W of gate at Mt. Baldy Road. S side road on bank. Comment
  RSA442651  Mimulus aurantiacus var. pubescens Unspecified 1910-05 s.n. Los Angeles Hillside, Eagle Rock Comment
  RSA550785  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-23 1077 Los Angeles 1.5 mi NW of Bouquet Canyon Road along road to Green Valley. 915 Comment
  SFV3391  Mimulus aurantiacus var. pubescens K. A. Wilson 1961-4-29 1180 A Los Angeles San Gabriel Mountains Devil's Punchbowl camp site. Two miles south of Valyermo._x000B_Sandy rocky wash. 1220 Comment
  UC1584749  Mimulus aurantiacus var. pubescens Tim Ross, Annette Ross 1991-3-7 4158 Los Angeles draw at sw base Elephant Hill; San Dimas USGS 7.5' Quadrangle, western Pomona 251 Comment
  UCR142495  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-4-17 S- 4497 Los Angeles Channel Islands, Hamilton Beach, Santa Catalina Island 2 Comment
  RSA0116688  Mimulus brevipes R. G. Swinney 2010-5-25 12925 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  SEINET4044558  Mimulus brevipes D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  RSA582479  Mimulus floribundus Tim S. Ross, S. D. Boyd 1993-5-23 7235 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater canyons. 963 Comment
  SEINET3159651  Mimulus fremontii G. B. Grant 1904-5-7 424 a/6203 Los Angeles Glendora. Comment
  POM38  Mimulus fremontii J. H. Fairchild s.n. Los Angeles Claremont. 366 Comment
  SBBG98516  Mimulus guttatus T. Ross 1991-5-23 5487 Los Angeles lower Tota Cyn 60 Comment
  UCR139470  Mimulus guttatus L. E. Hoffman 1929-5-18 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest, Pacoima Canyon Comment
  UCR258888  Mimulus guttatus R. G. Swinney 2010-8-16 13525 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR272841  Mimulus guttatus R. G. Swinney 2011-6-1 14937 A Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  POM308417  Mimulus guttatus Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3103 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  UCR204845  Mimulus johnstonii R. G. Swinney 2005-8-11 8440 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  CLARK-A1528-869  Mimulus longiflorus Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 304 Comment
  RSA0014594  Mimulus pilosus Orlando Mistretta, Christine Mistretta 2011-6-17 5706 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy. 1087 Comment
  RSA250359  Mimulus pilosus Robert F. Thorne, John Dourley, R. Scoggin 1972-8-11 42216 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift. 2378 Comment
  CAS-BOT-BC388661  Minuartia douglasii Le Roy Abrams; E. A. McGregor 1908-6-19 349 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA252903  Minuartia douglasii R. F. Thorne 1973-5-11 43563 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  RSA65593  Minuartia nuttallii subsp. gracilis F. W. Peirson 1921-6-17 2437 Los Angeles Divide between Little Rock Creek and Bear Creek, north side of San Gabriel Mountains 2073 Comment
  UC1532964  Minuartia nuttallii subsp. gracilis Robert F. Thorne, C. W. Tilforth and John Dourley 1971-7-27 41068 Los Angeles on ridge running e toward Old Baldy (Mt. San Antonio); San Gabriel Mts., Angeles National Forest, West Baldy Peak 3017 Comment
  SBBG17882  Mirabilis californica P. H. Raven 1962-4-11 17307 Los Angeles just S of Eel Pt 6 Comment
  CATA1948  Mirabilis laevis Reid Moran 1941-3-14 706 Los Angeles Santa Catalina Island: Ridge north of Middle Ranch 91 Comment
  UCR223166  Mirabilis laevis R. G. Swinney 2009-5-20 10812 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA213363  Mirabilis laevis var. crassifolia Reid V. Moran 1941-3-14 706 Los Angeles Santa Catalina Island. On ridge north of Middle Ranch. 300 Comment
  UC72745  Mirabilis laevis var. crassifolia Pupils of Los Angeles High School 1903-5-2 Los Angeles Los Angeles Comment
  UC851763  Mirabilis laevis var. crassifolia Ira W. Clokey, B. Templeton May 1929 4499 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  RSA464651  Mirabilis laevis var. crassifolia Gus Gluechert 1937-5-3 s.n. Los Angeles Hills above Culver City. Comment
  RSA599959  Mirabilis laevis var. crassifolia Louis C. Wheeler 1968-3-21 s.n. Los Angeles Foothills of San Gabriel Mountains: West Debris Basin, Brown School for Girls. 457 Comment
  CAS-BOT-BC435030  Mollugo verticillata A. C. Sanders; Dan S. Cooper 2010-8-5 38534 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. 24 Comment
  CLARK-A1528-1380  Mollugo verticillata John C. Roos 1939-6-21 920 Los Angeles Pasadena Comment
  UC204889  Monanthochloe littoralis R. L. Pendleton 1909-7-6 1425 Los Angeles Santa Catalina Island, Catalina Cove Catalina Cove; Santa Catalina Island, Catalina Cove 1 Comment
  RSA84229  Monardella australis subsp. australis F. W. Peirson 1907-7-9 1070 Los Angeles Pine Flats at the headwaters of the Tujunga 1677 Comment
  UC1602240  Monardella australis subsp. cinerea I. M. Johnston 1917-7-4 1449 Los Angeles s slope Baldy (Hard Scramble); San Antonio Mountains 2362 Comment
  UC1995353  Monardella exilis P. A. Munz and T. Craig 1933-5-13 12939 Los Angeles 10 mi s Muroc Comment
  RSA530071  Monardella lanceolata Tim S. Ross 1991-8-16 5851 Los Angeles San Gabriel Mountains, Horse Flats. 1713 Comment
  HSC14285  Monardella lanceolata C. S. Apperson 1967-6-21 Los Angeles Summit of Sawmill Mtn. on Sawmill Track trail, 7 mi. from Pine Canyon Ranger Station 1677 Comment
  RSA0110578  Monolopia lanceolata Richard G. Swinney 2011-4-19 14422 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. Just north of transmission lines. 945 Comment
  SEINET10599698  Muhlenbergia californica Victor Duran 1933-8-11 Duran 3546 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. Rocky gullies or near streams. 1600 Comment
  RSA682721  Muhlenbergia rigens LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1108 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  RSA750832  Muhlenbergia rigens R. G. Swinney 2005-8-9 8404 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  SBBG59541  Muhlenbergia rigens R. Hoffmann 1927-9-21 Los Angeles Gorman Comment
  RSA771598  Muilla maritima Richard G. Swinney 2009-5-27 10903 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  UC1971150  Muilla maritima Louis C. Wheeler 1973-4-21 Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. Comment
  UC905454  Muilla maritima I. W. Clokey and E. G. Anderson 1935-5-9 5855 Los Angeles San Dimas Canyon Comment
  UCR124717  Muilla maritima B. C. Templeton 1933-6-15 5141 Los Angeles San Gabriel Mtns., West Blue Ridge, Big Pines Park, Angeles National Forest 2195 Comment
  POM1690  Muilla maritima Harry Pruett 1909-5-25 17 Los Angeles Claremont. 365 Comment
  SBBG42161  Munzothamnus blairii M. B. Dunkle 1939-11-24 7353 Los Angeles SE rim above Mosquito Harbor Comment
  UC1215172  Munzothamnus blairii Peter H. Raven 1962-5-10 17717 Los Angeles just n Thirst; San Clemente Island 198 Comment
  RSA611639  Myosurus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10121 A 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
  SBBG33456  Nama demissa A. D. E. Elmer -Jun-1902 Los Angeles Palmdale Comment
  RSA596848  Narcissus papyraceus Steve Boyd, Timothy S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9127 Los Angeles Liebre Mountains region, along Old Ridge Route north of Templin Highway and west of the confluence of Castaic Creek and Fish Creek. 957 Comment
  RSA466284A  Narcissus tazetta A. C. Sanders 1988-2-3 7608 Los Angeles El Segundo Dunes, immediately W of LA..International Airport and Pershing Drive, E of Vista Del Mar Boulevard. 30 Comment
  UCSB22345  Nassella cernua Bridge, Phillip 1966-5-13 Los Angeles North end of Mill Creek Camp, east from its junction with Soledad Canyon Road, Angeles National Forest 640 Comment
  JEPS82384  Nassella pulchra Agnes Chase 1910-4-12 812 Los Angeles Playa del Rey Comment
  SBBG95839  Nassella pulchra S. Boyd with T. Ross, L. Arnseth 1990-4-7 4229 Los Angeles lower half of China Cyn, W side Comment
  SD260234  Nasturtium officinale R. G. Swinney 2009-8-6 11540 Los Angeles Transverse Range; San Gabriel Mountains: San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom. 1073 Comment
  UCSB2397  Nasturtium officinale Wedberg, H. 1958-7-15 Los Angeles Behind store at jct. New and Old Topanga Canyons, Santa Monica Mtns. Comment
  RSA715161  Navarretia hamata A. C. Sanders 2003-5-22 26831 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  LA88472  Navarretia hamata O. H. Kappler; 1944-6-4 646 Los Angeles San Gabriel Mountains, Little Tujunga Canyon 609 Comment
  UC372850  Nemacladus orientalis Marcus E. Jones, A. M. Aug 1884 Los Angeles Los Angeles Comment
  RSA439258  Nemacladus ramosissimus Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  RSA0006293  Nemacladus sigmoideus R. C. Bacigalupi 1953-6-14 4190 Los Angeles Upper slopes of the So. Fork of Little Rock Creek Canyon, higher north slopes of the San Gabriel Mts, Angeles National Forest. 1554 Comment
  RSA421325  Nemophila menziesii Richard Kirtland 1928-3-28 14751 Los Angeles Palos Verdes Hills. Comment
  RSA75867  Nemophila menziesii var. integrifolia F. W. Peirson 1920-5-1 166 Los Angeles Idle Hour Camp, Eaton Canyon. 732 Comment
  SD253469  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road, Ecology Trail east of the Nature Center (Mint Canyon 7.5'Q) 487 Comment
  RSA699999  Nicotiana bigelovii Kenneth Beard s.n. Los Angeles Along coast highway; north of Santa Monica Comment
  CATA2943  Nicotiana clevelandii Sarah Ratay, Peter Dixon 2010-6-11 123 Los Angeles Santa Catalina Island: Torqua Caves, growing at edge of main cave, in midden area 129 Comment
  CAS-BOT-BC231560  Nicotiana glauca Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7420 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive 173 Comment
  CAS-BOT-BC231570  Nicotiana glauca Mrs. C. E. Miller 1918-6-10 s.n. Los Angeles Santa Catalina Island Comment
  POM307173  Nicotiana glauca Henry J. Ramsey, Henry J. Ramsey 1937-8-29 2097 Los Angeles Altadena. 396 Comment
  SBBG13283  Nuttallanthus texanus M. A. Piehl 1962-6-10 62408 a Los Angeles E of Thirst 304 Comment
  POM355622  Oenothera elata subsp. hirsutissima E. S. Spalding 1923-10-11 s.n. Los Angeles Near Dahlia farm, La Canada road Comment
  RSA670438  Oenothera micrantha I. W. Clokey 1929-04 4458 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
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Jan 1 2012
  RSA746555  Oenothera rosea A. C. Sanders, T. B. Salvato 2009-5-20 36848 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, E side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  UCR276956  Opuntia basilaris R. G. Swinney 2010-6-1 13087 D Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  POM317739  Opuntia littoralis David Walkington 1963-6-20 187 Los Angeles North of Puddingstone Rd., 0.2 miles west of Casa de carrion homestead. 305 Comment
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Aug 13 2014
  RSA668042  Opuntia oricola F. R. Fosberg 1931-5-18 S 4892 Los Angeles Santa Catalina Island, Little Harbor 3 Comment
  UC1571329  Opuntia prolifera E. Yale Dawson June, 1936 Los Angeles Palos Verdes Hills Comment
  RSA599495  Orobanche bulbosa Steve Boyd, Lauren Raz 1997-3-25 9320 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  CATA1194  Orobanche bulbosa Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-5 2207 Los Angeles Santa Catalina Island: Upper White's Landing Road. 426 Comment
  RSA0104814  Orobanche bulbosa Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  LA200981  Orobanche parishii Carl Wishner; 1993-7-25 2149 Los Angeles 200.0 Comment
  RSA0059341  Orobanche vallicola Wayne P. Armstrong 1979-7-6 s.n. Los Angeles Claremont: Pomona College Campus; park area W of junction between Mills Avenue and Blanchard Place; S of observatory area. Comment
  RSA402059A  Orthocarpus purpurascens Louis C. Wheeler 1932-5-17 720 Los Angeles Santa Monica Mountains: Garapito Creek. 305 Comment
  SEINET10855058  Oryza sativa Heidi H. Schmidt 1999-10-10 Schmidt 3926 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  UC1605244  Osmorhiza brachypoda Tim Ross and Steve Boyd 1991-4-25 4613 Los Angeles lower Graveyard Canyon San Gabriel Mtns., Glendora 7.5' USGS Quadrangle ((which joins lower E Fk of the San Gabriel River at ca 1540 ft)) 512 Comment
  SEINET5619510 Image available Oxalis corniculata Old Rch 2003-3-20 sn Los Angeles Santa Monica/Los Angeles vicinity Comment
  UCR51316  Oxalis pes-caprae A. C. Sanders 1988-2-3 7596 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  UCR86243  Oxalis pes-caprae L. C. Yoshida, H. Y. Yoshida 1995-4-15 01 Los Angeles Whittier, 2 mi. south of Puente Hills, 1 mi. south of [intersection of?] Whittier Blvd. and Colima Road 64 Comment
  RSA597182  Oxybaphus linearis Louis C. Wheeler 1950-7-7 6768 Los Angeles Potrero Heights, Garvey. Comment
  RSA729526  Oxytheca parishii var. parishii R. G. Swinney 1999-7-5 7542 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  RSA445549  Papaver californicum Louis C. Wheeler 1932-4-16 638 Los Angeles W side Santa Anita Canyon. 457 Comment
  UC455256  Parietaria hespera var. hespera I. J. Condit 1911-3-27 Los Angeles Catalina Island Comment
  IRVC26343  Parthenocissus vitacea A. C. Sanders, Andy Thompson 2003-4-15 26020 Los Angeles Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park NE end of Santa Susana Mtns. 316 Comment
  RSA660123  Paspalum dilatatum Greg Wright 1971-6-3 234 Los Angeles Webb Canyon Rd, Just N of intersection of Base Line Rd. Claremont. 412 Comment
  POM364357  Paspalum distichum W. W. Martin 1971-8-11 s.n. Los Angeles Drainage of Malibu Creek, vicinity of Tapia Park Comment
  UCR142763  Paspalum distichum L. C. Wheeler 1933-11-19 2275 Los Angeles San Gabriel Mtns, San Gabriel Canyon 335 Comment
  RSA751405  Paspalum urvillei R. E. Riefner Jr. 2007-6-25 07 -277 Los Angeles City of Azusa, Arrow Hwy north 0.2 mi from Azusa Cyn. Rd. 111 Comment
  RSA651732  Passiflora caerulea Tim Turmezei 1988-3-2 24 Los Angeles Walnut Creek. Comment
  SD75597  Pectocarya linearis subsp. ferocula Reid Moran 1941-3-11 698 Los Angeles Santa Catalina AOEsland: Ridge north of Middle Ranch 299 Comment
  HSC101285  Pectocarya penicillata R. G. Swinney 2009-4-28 10506 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA497617  Pectocarya penicillata A. C. Sanders 1988-4-4 s.n. Los Angeles Mojave Desertr, near Quartz Hill in Lancaster, S of Ave, at 37th Street West 747 Comment
  UCR155650  Pectocarya recurvata A. C. Sanders, T. B. Salvato 2005-4-26 29680 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
  LA35253  Pedicularis densiflora Mary V. Hood; 1937-3-11 37 4 * Los Angeles Comment
  RSA670401  Pedicularis semibarbata Bonnie C. Templeton 1932-5-31 4860 Los Angeles Big Pines Camp. San Gabriel Mountains. Comment
  RSA0081776  Pellaea andromedifolia R. G. Swinney 2010-8-9 13479 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  SFV20792  Pellaea andromedifolia L. Gross 2003-2-22 742 Los Angeles Verdugo Mountains South side of Verdugo Mountains along Brand Canyon. Above the falls area up the west fork drainage area of Brand Canyon. Along east side above canyon bottom. 479 Comment
  UC483378  Pellaea andromedifolia L. R. Abrams and I. L. Wiggins 1931-7-6 350 Los Angeles vicinity of Mosquito Harbor; San Clemente Isl Comment
  UCSB30925  Pellaea andromedifolia Parker, V. 1974-3-27 Los Angeles Fisherman's Cove, Santa Catalina Island 1 Comment
  SFV14647  Pellaea andromedifolia S. Jonsson 1989-3-10 s. n. Los Angeles Santa Monica Mountains Devil's Canyon of Topanga Canyon Road development. 0.5 miles upstream of dam on south-facing slope of wash just past bend in the stream. Comment
  SEINET3153925  Pellaea mucronata G. B. Grant, W. Wheeler 1904-4-21 920 /6194 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  UC586914  Pellaea mucronata var. californica Joseph Andorfer Ewan 1934-8-7 8376 Los Angeles N of North Baldy (Throop Peak, SW slope); San Gabriel Mountains 2682 Comment
  CATA829  Pellaea mucronata var. mucronata Mark L. Hoefs 1991-6-26 1422 Los Angeles Santa Catalina Island: Near middle of Cape Canyon 320 Comment
  LA94133  Pellaea mucronata var. mucronata Peter H. Raven; Henry J. Thompson 1959-4-3 13912 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, 3.8 mi N of Pacific Coast Hwy. 548 Comment
  POM244936  Pellaea mucronata var. mucronata F. R. Fosberg 1931-4-22 R 92 Los Angeles Santa Catalina Island. Ridge above Eagles Nest, Middle Ranch Canyon. 200 Comment
  NY583835  Penstemon centranthifolius A. M. Ottley 1920-5-3 564 Los Angeles Big Tujunga Wash 335.3 Comment
  RSA640732  Penstemon centranthifolius Louis C. Wheeler 1931-4-11 s.n. Los Angeles Base of San Gabriel Mountains: Thompson Creek Wash. Comment
  UCR142907  Penstemon cordifolius C. B. Wolf 1931-7-30 2297 Los Angeles Santa Susana Mtns, Base of Newhall Grade, 0.25 mi above crossing of the Los Angeles Aqueduct 457 Comment
  SFV21986  Penstemon grinnellii J. N. Hogue 2011-7-23 397 .3 Los Angeles San Gabriel Mountains Camp Eaton (= old Camp Cumorah Crest). 1860 Comment
  UCR23177  Penstemon grinnellii Polly Schiffman 1981-5-23 025 Los Angeles Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy 1601 Comment
  RSA408049  Penstemon grinnellii subsp. grinnellii F. R. Fosberg 1931-8-12 S- 5669 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA408053  Penstemon grinnellii subsp. grinnellii L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA733076  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2001-6-20 7996 Los Angeles Summit of Mt. Lewis, NW of Dawson Saddle. 2524 Comment
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Feb 6 2013
  SBBG133173  Penstemon heterophyllus var. australis B. C. Templeton 1952-6-19 Los Angeles Bouquet Cyn Comment
  UCR209999  Penstemon labrosus R. G. Swinney 2008-7-15 9217 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR223136  Penstemon labrosus R. G. Swinney 2009-7-22 11353 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR209909  Penstemon rostriflorus R. G. Swinney 2008-7-24 9296 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UC1551893  Penstemon spectabilis Lyman Benson 1945-5-11 11685 Los Angeles Indian Hill Blvd., Claremont Claremont, Indian Hill Blvd. 426 Comment
  RSA0060329  Pentagramma triangularis Anonymous 1890-11 s.n. Los Angeles Wilson's Trail, ''Half Way.'' Comment
  LA94186  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-5-14 2030 Los Angeles SANTA MONICA MOUNTAINS, ca 2 mi W of Laurel Canyon Blvd in canyon N of Mulholland Dr. 243 Comment
  LA94197  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1693 Los Angeles SANTA MONICA MOUNTAINS, just S of Cornell Corners, small ravine in bluff above road. 274 Comment
  LA94206  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-16 1775 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  LA94214  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-10 1843 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, ca 2 mi S of Mulholland Hwy on W-side. 304 Comment
  SEINET3154047  Pentagramma triangularis subsp. triangularis G. B. Grant 1901-1-1 530 Los Angeles Old Wilson Trail, S. Cal. Comment
  UCSB62233  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-4-17 Los Angeles Santa Monica Mtns., Griffith Park, Vista del Valle Dr. ca. 1/4 mi. e. of Mt. Hollywood Dr., no. of road 365 Comment
  UCR85828  Perideridia parishii T. S. Ross 1991-8-16 5842 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
  RSA228958  Perideridia parishii subsp. latifolia R. F. Thorne 1971-8-25 41307 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  UCR65246  Perityle emoryi F. R. Fosberg 1931-4-3 S- 04463 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Rd. 5 Comment
  RSA471840  Perityle emoryi M. B. Dunkle 1939-4-7 7335 Los Angeles Pyramid Cove, San Clemente Island Comment
  JEPS12187  Petunia parviflora John Thomas Howell 1927-6-30 2628 Los Angeles 1 mi e Long Beach 15 Comment
  RSA423795  Petunia parviflora Anstruther Davidson 1899-4-11 111 Los Angeles [Indecipherable locality information] Comment
  CAS-BOT-BC134019  Phacelia Blanche Trask 1898-4-1 s.n. Los Angeles Avalon, Santa Catalina Island. West End Comment
  UCSB32678  Phacelia affinis Faraday, Christopher 1978-5-18 Los Angeles Frontage Road 1 mile north of Hungry Valley Road offramp of Highway 5 914 Comment
  UC212518  Phacelia austromontana I. M. Johnston 1917-7-28 1592 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 2316 Comment
  UCR147285  Phacelia austromontana Orlando Mistretta 1992-6-19 596 Los Angeles Transverse Ranges; San Gabriel Mountains, Angeles National Forest; Timber Mountain Comment
  UCSB33263  Phacelia austromontana Griesel, Wesley 1962-6-6 Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  UC1349282  Phacelia bicolor var. bicolor James Henrickson 1965-4-22 1943 Los Angeles 17 mi e Lancaster (near Piute Butte); Mojave Desert 929 Comment
  LA85581  Phacelia brachyloba Elizabeth McClintock; 1945-5-1 sn Los Angeles Santa Monica Mountains, Dry Canyon-Cold Creek Road Comment
  RSA210958  Phacelia brachyloba James Henrickson 1963-5-5 32326 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts. 518 Comment
  UCR252896  Phacelia brachyloba R. G. Swinney 2010-5-29 13401 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA0081781  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12956 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA579467  Phacelia cicutaria var. hispida Tim S. Ross, Steve D. Boyd 1994-5-10 7739 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
  RSA674784  Phacelia cryptantha Scott D. White, Kent Hughes 2000-5-16 7846 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UCR277118  Phacelia cryptantha R. G. Swinney 2010-5-21 12854 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
  RSA704206  Phacelia davidsonii Naomi S. Fraga, Sarah J. De Groot 2004-5-25 1222 Los Angeles Trail from Mount Baldy Village to the summit of Mount Baldy. 2348 Comment
  CHSC109022  Phacelia distans R. F. Thorne; Jim Henrickson 1963-5-5 32311 Los Angeles Cobal Canyon, foothills of the San Gabriel Mountains, ca. 4 miles north of Claremont. Lower part of canyon. Comment
  HSC87037  Phacelia distans A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7770 Los Angeles Lancaster, near Quartz Hill, S of Ave. L at 37th St. W 747 Comment
  SD41347  Phacelia distans Edith A. Purer 1932-3-15 2694 Los Angeles El Segundo Comment
  UC1871033  Phacelia distans T. S. Ross 1993-5-19 7165 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 SE/4 sect 9; ca 3120 ft elevation. 951 Comment
  UCR220169  Phacelia distans R. G. Swinney 2009-4-2 10258 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
  RSA483723  Phacelia distans Richard Noyes 1988-4-30 517 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA709681  Phacelia distans LeRoy Gross 2005-4-28 2155 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  UC57028  Phacelia distans Geo. B. Grant April, 1902 4061 Los Angeles near Pasadena; Altadena Comment
  CHSC110747  Phacelia grandiflora Dean Wm. Taylor 2003-5-29 18593 Los Angeles Mill Creek Summit, Angeles Forest Highwy, along Angeles National Forest Road 4N18 ca 0.8 road miles south from Tie Creek Station. 1386 Comment
  RSA497518  Phacelia grandiflora Walter Wisura 1989-6-7 4375 Los Angeles Roberts Canyon, off San Gabriel Canyon. Comment
  UCSC001519  Phacelia hallii Peter Kamb 1948-5-6 951 Los Angeles sandy valleys San Gabriael Mts., Little Rock (desert foothills of the San Gabriael Mts. above Little Rock, Lower Sonoran Zone) 975 Comment
  CAS-BOT-BC134025  Phacelia hubbyi Edith A. Purer 1935-5-11 6550 Los Angeles Malibou Road, Santa Monica Mts. Comment
  UCR194078  Phacelia imbricata R. G. Swinney, Dave Larson 1999-5-29 7218 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  JEPS2172  Phacelia imbricata subsp. patula F. W. Peirson 1918-6-1 164 Los Angeles Eaton Canyon San Gabriel Mts. 670 Comment
  RSA587258  Phacelia longipes Orlando Mistretta 1994-5-13 1209 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  CATA1668  Phacelia lyonii Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-17 2957 Los Angeles Santa Catalina Island: Mouth of Silver Canyon, 1/16 to 1/8 mile from beach 9 Comment
  POM199782  Phacelia minor I. W. Clokey, Bonnie C. Templeton 1929-05 4531 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  UCR124365  Phacelia minor I. W. Clokey, B. C. Templeton 1929-1 4532 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  LA35917  Phacelia parryi Peter H. Raven; 1960-4-2 14862 Los Angeles Santa Monica Mountains, Lake Enchanto, 0.2 mi east of Lake Enchanto 228 Comment
  UC1174694  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  POM213280  Phacelia tanacetifolia P. A. Munz 1935-4-1 13596 Los Angeles 25 miles NW of Adelanto, Western Mojave Desert Comment
  UCR276783  Phacelia tanacetifolia R. G. Swinney 2011-4-1 14306 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UC56885  Phacelia viscida H. M. Hall 1902-5-11 3269 Los Angeles Sierra Santa Monica Comment
  CATA1798  Phalaris aquatica Benjamin E. Carter 2012-8-23 6982 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 310 Comment
  UCD88184  Phalaris aquatica Robert F. Thorne; P. Everett 1965-5-10 34514 Los Angeles Santa Catalina Island. Gallagher Canyon. 426 Comment
  SEINET10960543  Phalaris minor LeRoy R. Abrams Abrams 1460 Los Angeles Inglewood Comment
  SBBG131708  Phalaris paradoxa S. A. Junak 1999-5-8 SCa 907 Los Angeles W side of Fern Cyn, in Cottonwood Cyn drainage, along abandoned rd, W-facing hillside 121 Comment
  RSA609588  Phleum pratense L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
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Feb 19 2015
  RSA435568  Pholisma arenarium Bonnie C. Templeton 1946-4-30 6792 Los Angeles Near Little Rock, Los Angeles county. Comment
  SBBG105343  Pholistoma auritum R. M. Beauchamp 1976-5-22 4127 Los Angeles Lemon Tank Cyn 313 Comment
  RSA233395  Pholistoma auritum Robert F. Thorne 1966-4-16 36076 Los Angeles San Clemente Island: Canyon below Lemon Tank near dump, S of Nanny, NE side of island 183 Comment
  CAS-BOT-BC222553  Pholistoma auritum var. auritum Henry J. Thompson 1959-4-19 1939 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage 274 Comment
  UCR188889  Pholistoma auritum var. auritum R. G. Swinney 1990-5-3 1583 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 1.2 miles NE of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  UCR193683  Pholistoma auritum var. auritum R. G. Swinney, Dave Larson 1999-5-15 7139 Los Angeles San Gabriel Mtns., Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 549 Comment
  UCR195293  Pholistoma auritum var. auritum Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1184 Los Angeles Transverse Ranges: Verdugo Mountains Region, northwestern edge of Verdugo Mountains, north of La Tuna Canyon, near junction of Green Verdugo fire road from 210 Fwy and road to Green Verdugo Reservoir 473 Comment
  CATA586  Pholistoma racemosum Mark L. Hoefs 1991-4-7 1024 Los Angeles Santa Catalina Island: Upper Avalon Canyon, south-west of Divide Road 377 Comment
  SBBG61539  Phoradendron leucarpum subsp. tomentosum R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  SBBG81861  Phoradendron leucarpum subsp. tomentosum R. J. Rodin 1953-5-17 5829 Los Angeles near main hwy 3 mi S of Gorman Comment
  RSA97451  Phoradendron villosum F. W. Peirson 1921-11-12 31 Los Angeles Collins Ranch, Liebre Mts. 1372 Comment
  SEINET12230771  Phoradendron villosum H. W. Graham 1949-1 s.n. Los Angeles Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson, near Los Angeles Comment
  LA201822  Phoradendron villosum subsp. villosum Arthur C. Gibson; 2003-7-18 Los Angeles SANTA MONICA MOUNTAINS, Nicholas flat about 1 km from Decker School Road. Comment
  RSA434508  Phyla lanceolata I. M. Johnston 1917-6-10 1313 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA682975  Phyllospadix torreyi H. S. Baker 1933-12-1 s.n. Los Angeles Point Fermin Comment
  RSA423754  Physalis philadelphica Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
  UC1971214  Pickeringia montana Louis C. Wheeler 1947-4-13 6465 Los Angeles SAN GABRIEL MOUNTAINS: Millard Canyon Comment
  RSA250397  Pinus flexilis Robert F. Thorne, J. Dourley 1967-10-3 37289 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  CAS-BOT-BC78753  Pinus lambertiana Geo. B. Grant 1897-12-29 s.n. Los Angeles on northern slope of Mt. Wilson Comment
  NY61886  Pinus monophylla A. B. Cossey 1972-9-3 s.n. Los Angeles Cattle Canyon (a tributary of the East Fork of the San Gabriel River, the confluence being near the East Fork Guard Station). Mount Baldy District, Angeles National Forest 2048.3 Comment
  RSA384367  Pinus monophylla L. E. Hoffman 1931-10-21 s.n. Los Angeles Dark Canyon, Angeles Forest Comment
  UC1134053  Pinus monophylla H. A. Jensen 1933-6-1 321 Los Angeles Rock Creek Angeles National Forest, Rock Creek Quad., Rock Creek 1371 Comment
  RSA640968  Piperia elongata Louis C. Wheeler 1931-7-3 s.n. Los Angeles San Gabriel Mountains: Brown's Flat trail, 2 1/2 miles from flat. Comment
  RSA0107775  Piptatherum miliaceum R. G. Swinney 2011-10-18 15848 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  CLARK-A1528-5221  Pittosporum phylliraeoides Austin Griffiths, Jr. , Jeanette L. Huber 1969-10-15 5606 Los Angeles Los Angeles County Arboretum Comment
  CAS-BOT-BC71775  Pityrogramma triangularis var. viscosa Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4417 Los Angeles San Clemente Island, E side of island, Bryce Cyn near Malo Point Comment
  RSA595651  Plagiobothrys arizonicus T. S. Ross, Victor W. Steinmann 1995-5-8 8573 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  SBBG63861  Plagiobothrys arizonicus R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  UC1922900  Plagiobothrys canescens Scott D. White, Brian Leatherman 2005-3-18 10801 Los Angeles South Coast region: City of Glendora, South Hills, just north of the I-120 Freeway. Ca. 0.3 air mi ENE of the I-210 / Sunflower intersection. San Dimas 7.5' Quad. Comment
  UCR273555  Plagiobothrys canescens R. G. Swinney 2011-5-10 14658 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  UCR265531  Plagiobothrys collinus Dan S. Cooper 2015-3-3 315- 8 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, utility road on west flank of Burbank Peak 345 Comment
  POM11631  Plagiobothrys collinus var. gracilis George B. Grant 1901-4-9 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  LA34800  Plagiobothrys nothofulvus Kei Nakai; Frank Almeda 1976-4-5 TCSP 9 9 76 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, in horse pasture next to pond, near the telescope mount 365 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
  UCR186963  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31974 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  RSA604532  Plantago coronopus Sara L. Crockett 1997-4-1 634 Los Angeles 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. 287 Comment
  LA82073  Plantago erecta Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  LA82076  Plantago erecta Virginia Mars; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA187913  Plantago erecta Robert F. Thorne 1966-4-5 35870 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  RSA602076  Plantago erecta Louis C. Wheeler 1946-8-8 6224 Los Angeles San Gabriel Mountains: Lower Rincon. San Gabriel Canyon. Comment
  RSA151270  Plantago lanceolata Peter H. Raven 1962-7-12 18035 Los Angeles Northwest Harbor, San Clemente Island. 9 Comment
  UCSB9388  Plantago ovata var. fastigiata Haller, Norman 1953-3-21 Los Angeles Point Dume Comment
  RSA656939  Platanthera sparsiflora Valerie L. Soza, Laura Moore 2000-6-14 1012 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  RSA612222  Platanthera sparsiflora Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: Just about 100 feet upstream from road. 1372 Comment
  UCR51486  Platanus racemosa A. C. Sanders 1987-12-4 7570 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  CAS-BOT-BC356128  Pluchea odorata Geo. B. Grant Oct 4 s.n. Los Angeles Los Angeles Comment
  RSA719750  Poa pratensis subsp. pratensis R. G. Swinney 1996-7-17 5149 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  SBBG101155  Poa secunda subsp. secunda T. Ross 1992-4-14 6154 Los Angeles just below the mouth of Nanny Cyn 137 Comment
  SBBG56795  Poa secunda subsp. secunda R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  RSA573479  Polygonum aviculare Tim S. Ross 1992-6-15 6569 Los Angeles Whittier Hills ( local name for the western extremity of the Puente Hills) grassy uplands at the head of the S fork of Sycamore Canyon. 354 Comment
  UCR209957  Polygonum lapathifolium R. G. Swinney 2008-9-9 9327 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR108444  Polygonum punctatum L. C. Wheeler 1946-9-22 6371 Los Angeles Rosemead Blvd. and San Gabriel Blvd, just north of intersection 62 Comment
  SBBG20557  Polypodium californicum E. R. Blakley 1963-12-8 6392 Los Angeles cyn head above Mosquito Cove and between Triangulation Pts Malo and Chenity 243 Comment
  UCR209583  Polypodium californicum F. R. Fosberg 1931-4-13 R- 87 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, right fork 290 Comment
  RSA603539  Polypodium californicum Sara L. Crockett 1997-4-1 638 Los Angeles Santa Catalina Island: offshoot from Middle Canyon; 0.2 mile SW on Middle Canyon Road from pumphouse; SE side of road. 316 Comment
  CATA1173  Polypogon interruptus Mark L. Hoefs 1995-5-30 2168 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  UCD91026  Polypogon interruptus Robert F. Thorne; P. Everett 1965-5-10 34436 Los Angeles Cape Canyon, Santa Catalina Island. Comment
  CATA1176  Polypogon monspeliensis Mark L. Hoefs 1995-5-30 2172 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  SFV21111  Polypogon monspeliensis L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1111 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. At concrete tunnel at north end of 210 Freeway. 457 Comment
  CATA312  Polypogon viridis Mark L. Hoefs 1973-6-5 337 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon, in stream bed by main road at bridge 22 Comment
  RSA600536  Polypogon viridis Steve Boyd, Lauren Raz 1997-5-28 9861 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
  RSA733134  Polypogon viridis R. G. Swinney 1998-8-1 6607 Los Angeles Mine Gulch at East Fork of San Gabriel River Canyon. Open canyon bottom, lower Mine Gulch with no riparian development except right at aconfluence; sandy-silty soil with rocks. 1341 Comment
  RSA755580  Polypogon viridis R. G. Swinney 2008-7-12 9169 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  SD30882  Polypogon viridis Edith A. Purer 1931-5-1 2046 Los Angeles Pasadena, moist ground. Comment
  RSA90270  Polypogon viridis F. W. Peirson 1920-9-17 4328 Los Angeles San Antonio Canyon, San Gabriel Mountains. 1341 Comment
  UCR256581  Polystichum imbricans subsp. imbricans Anuja Parikh, Nathan Gale 2011-7-7 3550 Los Angeles Transverse Range; San Gabriel Mountains, Barley Flats, 4.2 km west of Shortcut Station, 1.1 km north of State Hwy 2 (Angeles Crest Hwy) 1667 Comment
  SEINET6409500  Polystichum munitum G. B. Grant, W. Wheeler 1904-5-17 1032 /6236 Los Angeles Mt. Wilson 1524 Comment
  POM802  Portulaca oleracea D. L. Crawford 1915-6-27 s.n. Los Angeles Claremont. Comment
  RSA605816  Portulaca oleracea L. C. Wheeler 1966-10-27 9097 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  RSA756752  Potentilla glandulosa R. G. Swinney 2008-6-18 9075 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  UCR194175  Potentilla glandulosa R. G. Swinney 1998-7-29 6539 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  RSA636152  Potentilla glandulosa subsp. ewanii Robert F. Thorne 1974-6-28 44755 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  UCR271144  Potentilla glandulosa subsp. reflexa R. G. Swinney 2011-9-27 15694 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
  SBBG118562  Proboscidea lutea R. F. Thorne 1969-10-31 37869 Los Angeles Rancho Santa Ana Botanic Garden 365 Comment
  UC1595408  Prunus Tim Ross, Annette H. Ross 1991-7-29 5703 Los Angeles n-most point of Puente Hills, Elephant Hill, W Pomona Elephant Hill; Puente Hills, , W Pomona 228 Comment
  RSA0073272  Prunus fasciculata Orlando Mistretta, Christine Mistretta 2005-4-21 2077 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA454136  Prunus ilicifolia A. M. Johnson 1934-3-16 4347 Los Angeles Johnson's Ranch, beyond Chatsworth, Simi Hills. Comment
  UCSB8567  Prunus ilicifolia subsp. ilicifolia Kraebel, C. 1932-6-4 Los Angeles San Dimas Canyon, SRE plots Comment
  CAS-BOT-BC154554  Prunus ilicifolia subsp. lyonii Carl B. Wolf 1932-5-11 3574 Los Angeles Santa Catalina Island. Cherry Valley between the road and ocean 30 Comment
  RSA251407  Prunus lyonii Robert F. Thorne 1966-4-17 36110 Los Angeles San Clemente Island: Large shrubs growing on steep S-facing canyon side near bottom of Box Canyon NW of Horse Canyon, SW of Thrist. 152 Comment
  UCR182124  Prunus virginiana var. demissa R. G. Swinney 1997-6-19 5624 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  SEINET3145217  Pseudognaphalium beneolens G. B. Grant 1901-1-1 516 Los Angeles Pasadena Comment
  CATA31  Pseudognaphalium biolettii USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 14 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  HSC46490  Pseudognaphalium biolettii M. B. Dunkle 1939-4-4 7250 Los Angeles Chenetti Canyon, San Clemente Island Comment
  SBBG128421  Pseudognaphalium biolettii M. L. Hoefs 1995-5-23 2140 Los Angeles upper Middle Cyn 225 Comment
  SBBG63274  Pseudognaphalium biolettii M. N. Ackley -Feb-1928 217 Los Angeles Eagle Rock 243 Comment
  SFV21014  Pseudognaphalium biolettii L. Gross 2003-3-7 758 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Verdugo Crestline Dr. (fire road) just north of the 210 Freeway. Entered on the west side at Topley Lane, off of Newhome Ave. in Sunland. Above road near top of ridge. 555 Comment
  UCR272970  Pseudognaphalium biolettii R. G. Swinney 2011-4-26 14517 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
  RSA158278  Pseudognaphalium biolettii Peter H. Raven 1962-4-12 17347 Los Angeles Wilson Cove, San Clemente Island. 107 Comment
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Dec 22 2010
  RSA91754  Pseudognaphalium biolettii N. Dunn, J. Ewan 1931-12-6 5560 Los Angeles Stone Canyon, road around Lake, Santa Monica Mts. Comment
  SFV3675  Pseudognaphalium biolettii P. M. Kennamer 1959-3-23 s. n. Los Angeles Santa Susana Mountains Santa Susana Pass Road, hill southeast of entrance to Iverson Ranch. West facing slope. 396 Comment
  UCD135039  Pseudognaphalium biolettii F. H. Elmore 18-19 Feb 1939 407 Los Angeles San Clemente Island. Comment
  CATA732  Pseudognaphalium californicum Mark L. Hoefs 1991-5-22 1252 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  RSA0091122  Pseudognaphalium californicum R. G. Swinney 2010-4-13 12190 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
  RSA0092553  Pseudognaphalium californicum Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14324 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 degrees) NNW of the trailhead. 451 Comment
  SBBG31134  Pseudognaphalium californicum R. F. Thorne 1966-4-29 36322 Los Angeles below rd to White's Landing above turn-off to Echo Lake 411 Comment
  SBBG31307  Pseudognaphalium luteoalbum R. F. Thorne 1966-9-14 36648 Los Angeles behind Ben Weston Beach 3 Comment
  LA25984  Pseudognaphalium microcephalum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  RSA0115967  Pseudognaphalium microcephalum R. G. Swinney 2010-8-23 13580 Los Angeles San Gabriel Mountains: Mt. Zion Summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA596139  Pteridium aquilinum var. pubescens T. S. Ross, Steve Boyd 1995-6-28 8652 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA690874  Pteridium aquilinum var. pubescens Blanche Trask 1903-08 s.n. Los Angeles Avalon, Catalina Island. Comment
  RSA0011720  Pteris vittata Scott D. White, P. DeVries 2000-5-18 7888 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
  RSA591555  Pterospora andromedea L. C. Wheeler 1966-10-6 8958 Los Angeles San Gabriel Mountains, Mt. Williamson 2485 Comment
  CATA3036  Pterostegia drymarioides Amy Catalano 2016-3-17 043 Los Angeles Santa Catalina Island: On west side ca. 0.5 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, about 95 meters off road 314 Comment
  SBBG125223  Pulicaria paludosa A. Parikh, N. Gale 2010-8-2 3381 Los Angeles Whittier Narrows, San Gabriel River, 0.7 km S of Hwy 60, 0.7 km W of Peck Rd 68 Comment
  RSA600737  Purshia tridentata var. glandulosa Louis C. Wheeler 1955-4-17 7142 Los Angeles San Gabriel Mountains: Cima Mesa.. Comment
  UCSB27958  Quercus X grandidentata Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona, California 274 Comment
  RSA190913  Quercus X macdonaldii Robert F. Thorne 1967-5-18 36863 Los Angeles Santa Catalina Island Middle Bulrush Canyon 244 Comment
  CAS-BOT-BC45628  Quercus agrifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8469 Los Angeles Texas Canyon: ca. 3.6 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 682 Comment
  CAS-BOT-BC45715  Quercus agrifolia S. Y. Parnay no date s.n. Los Angeles Encino 914 Comment
  UC1584753  Quercus agrifolia var. agrifolia Tim Ross and Annette Ross 1991-3-7 4153 Los Angeles Elephant Hill, w Pomona Pomona, San Dimas U.S.G.S. 7.5' Quad. 335 Comment
  POM18617  Quercus berberidifolia E. S. Spalding 1921-4-9 s.n. Los Angeles Ganesha Hills, Pomona. Comment
  RSA0031679  Quercus chrysolepis Donna Kenyan 1969-5-1 4 Los Angeles Tujunga wash. 457 Comment
  RSA530056  Quercus chrysolepis Tim S. Ross 1991-8-16 5850 Los Angeles San Gabriel Mountains, Horse Flats. 1713 Comment
  RSA87176  Quercus chrysolepis F. W. Peirson 1920-5-28 16 Los Angeles San Antonio Canyon, San Gabriel Mts 1433 Comment
  UC310498  Quercus chrysolepis Popenoe Los Angeles n of Claremont Comment
  RSA825638  Quercus chrysolepis Louis C. Wheeler 1967-11 s.n. Los Angeles San Gabriel Mountains: Middle fork Mill Creek. . Comment
  UCR187130  Quercus douglasii A. C. Sanders 2006-5-16 32361 Los Angeles Transverse Range; Liebre Mtns. Region, south of Hwy 138, 1.5 mi. ESE of Quail Lake in the San Andreas Rift Zone, NE of the Old Ridge Route 1037 Comment
  JEPS98620  Quercus dumosa Dean Kelch 1993-6-1 Los Angeles Temescal Canyon Malibu 120 Comment
  RSA635048  Quercus durata var. gabrielensis Valerie L. Soza, Kent Hughes 1999-6-17 555 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  RSA754110  Quercus durata var. gabrielensis Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-11-14 NFWF- 1856 Los Angeles San Gabriel River Watershed; Webb Canyon Road (GPS represents the northern most point for a population that extends 1/4 m south) 436 Comment
  UCR255945  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles Transverse Ranges; San Gabriel Mountains, middle of Maple Canyon, 490 m east of Big Tujunga Rd. & 477 m west of Angeles Forest Hwy 786 Comment
  CAS-BOT-BC94750  Quercus john-tuckeri Timothy S. Ross 1995-4-7 8369 Los Angeles Old Ridge Route: 2.9 road miles NNW of its intersection with Templin Highway; ca 1840 m WNW of the confluence of Castaic 944 Comment
  POM273364  Quercus john-tuckeri Lyman Benson 1947-10-9 12837 Los Angeles 5 miles northeast [NW?] of Big Pine on Valyermo Road. San Gabriel Mt. Mojave Desert. 1677 Comment
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Mar 24 2015
  UCD46601  Quercus john-tuckeri Robert F. Thorne; R. Carolin and C. Davidson 1967-3-23 41580 Los Angeles San Gabriel MTS., Angeles National Forest: Grandview Canyon, Mohave Desert slope N of Mile High Ranch in desert chaparral; 1371 Comment
  CAS-BOT-BC61504  Quercus lobata Geo. B. Grant 1901-5-12 s.n. Los Angeles Pasadena Comment
  SBBG21458  Quercus pacifica D. E. Breedlove 1961-9-23 1270 Los Angeles S side of Cherry Cyn, 1 mi inland 243 Comment
  SD75583  Quercus pacifica Reid Moran 1941-3-14 707 Los Angeles Santa Catalina Island, Middle Ranch, by creek 199 Comment
  RSA188263  Quercus tomentella Robert F. Thorne 1966-4-30 36332 Los Angeles Santa Catalina Island, along W fork of Gallagher's Canyon 61 Comment
  RSA544539  Quercus tomentella Tim S. Ross, Kellogg 1992-4-12 6126 -a Los Angeles San Clemente Island: 110 degrees ESE, 480-600M from Vista, at the head of Grove Canyon. 427 Comment
  SBBG17810  Quercus tomentella P. H. Raven 1962-7-10 17981 Los Angeles below Lemon Tank 243 Comment
  UC484204  Quercus tomentella Knopf and Johnson 1930-1-29 Los Angeles n slope Pebble Beach Canyon; Catalina Island Comment
  UC1135895  Quercus wislizeni G. E. Sindel 1935-6-6 117 Los Angeles 4 mi se Quail Lake; Angeles National Forest, Tejon Quad. 1127 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
  UCR192937  Quercus wislizeni var. frutescens Dan S. Cooper 2008-6-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., unnamed tributary of Vermont Canyon, directly behind tennis courts, Griffith Park, Los Angeles 255 Comment
  RSA0087090  Rafinesquia californica R. G. Swinney 2010-6-21 13295 Los Angeles 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
  UC1234791  Rafinesquia californica Peter H. Raven 1962-5-22 17821 Los Angeles above Emerald Bay; Santa Catalina Island 121 Comment
  UCR113745  Ranunculus californicus var. californicus Scott D. White 1999-3-30 7212 Los Angeles Puente Hills; City of Rowland Heights, south of Pathfinder Road and west 57 Freeway; near Bill Blevins Park 244 Comment
  RSA604417  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1933-7-14 1933 Los Angeles Lexington Wash near El Monte. Comment
  SBBG71869  Ranunculus hebecarpus M. N. Ackley -Apr-1928 913 Los Angeles Santa Monica Mtns 274 Comment
  CAS-BOT-BC74281  Raphanus sativus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA738051  Raphanus sativus Bill Duval s.n. Los Angeles La Canada Comment
  UCR131451  Raphanus sativus Alison Lipman 1998-5-6 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
  SBBG131515  Raphanus sativus S. A. Junak 2000-5-18 SCa 1301 Los Angeles N side of N Shore Rd, 0.6 mi E of turn-off for Howland's Landing 39 Comment
  RSA0116814  Rhamnus californica R. G. Swinney 2011-6-7 15093 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  UCR108388  Rhamnus californica L. C. Wheeler 1961-6-13 7880 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA724511  Rhamnus californica subsp. californica K. Dobry 1991-6-13 d- 709 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  UCR200208  Rhamnus californica subsp. californica Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 874 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Near cow unit and Beek-Wax Aquatic Center 366 Comment
  POM305830  Rhamnus crocea Henry J. Ramsey, Henry J. Ramsey 1940-3-4 1080 Los Angeles Foothill Blvd. West of San Gabriel Bridge. Comment
  RSA95310  Rhamnus crocea F. W. Peirson 1920-4-26 216 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  CAS-BOT-BC55990  Rhamnus ilicifolia I. Johnston 1917-2-10 s.n. Los Angeles Hills south of Pomona 365 Comment
  LA32117  Rhamnus ilicifolia Peter H. Raven; Henry J. Thompson 1959-4-13 13916 Los Angeles 838 Comment
  RSA391043  Rhamnus ilicifolia Freda Detmers 1929-2-16 14890 Los Angeles Griffith Park Comment
  SD253536  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris bsin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  POM193464  Rhus integrifolia F. W. Peirson 1925-2-22 240 Los Angeles Point Fermin Comment
  RSA101666  Rhus integrifolia G. R. Proctor 1944-01 767 Los Angeles Sand dunes at El Segundo. Comment
  RSA248839  Rhus integrifolia R. F. Thorne 1973-4-11 42855 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA669709  Rhus integrifolia LeRoy Gross 2002-2-24 486 Los Angeles Northwest side; Entered at the corners of Ledge Ave. & Tuxford St. off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek 305 Comment
  SBBG78531  Rhus integrifolia F. R. Fosberg 1931-3-18 4286 Los Angeles Hamilton Cyn 20 Comment
  UCR51775  Rhus integrifolia G. R. Proctor 1944-1 767 Los Angeles Sand Dunes at El Segundo Comment
  UCR117548  Rhus ovata A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23272 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  UC1870323  Rhynchelytrum repens LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 499 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Slope on west side of Chandler Canyon 449 Comment
  UC11474  Ribes amarum A. J. McClatchie 1896-3-7 Los Angeles San Gabriel Mts. Comment
  RSA748783  Ribes aureum var. gracillimum Justin M. Wood 2009-4-7 466 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SBBG98199  Ribes aureum var. gracillimum F. A. M. 1931-3-17 Los Angeles Tuna Cyn Comment
  SFV6204  Ribes californicum R. M. Muran 1974-2-12 16 Los Angeles Santa Monica Mountains Mandeville Canyon area, 3.5 miles south of Mulholland Drive. 427 Comment
  RSA162820  Ribes californicum var. hesperium J. D. Olmsted 1960-1-8 1092 Los Angeles San Dimas Canyon, 1/2 mile north of lower guaging station (bottom of Riparian Wdl.) 427 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
  UC11562  Ribes californicum var. hesperium State Survey 1861-1-13 133 Los Angeles San Gabriel Comment
  UCR145812  Ribes californicum var. hesperium June Latting 1973-2-24 s.n. Los Angeles San Gabriel Mountains, Monrovia Canyon 549 Comment
  LA211278  Ribes californicum var. hesperium Arthur C. Gibson; 2004-1-9 5000 Los Angeles SANTA MONICA MOUNTAINS, along nature trail in Wilderness Area near base of north side trail to Bone Mountain. Comment
  RSA476144  Ribes cereum var. cereum Anstruther Davidson 1906-06 1498 Los Angeles Big Rock Creek 1524 Comment
  RSA0008288  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte. 91 Comment
  UC921816 Image available Ribes indecorum L. R. Abrams 1916-1-3 5572 Los Angeles between Duarte and Azusa Comment
  UCR198325  Ribes indecorum Gary Kovnat, LeRoy Gross 2003-1-19 03 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail Comment
  SEINET12215920  Ribes indecorum R. F. Thorne 1971-1 41494 Los Angeles San Gabrien Mts., Cobal Canyon, ca 3 mi N of Claremont 503 Comment
  CAS-BOT-BC173404  Ribes malvaceum Timothy S. Ross 1995-4-7 8371 Los Angeles Old Ridge Route: 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon 944 Comment
  CAS-BOT-BC173441  Ribes malvaceum Joseph Andorfer Ewan 1933-4-1 10914 Los Angeles Higgins Canyon, Santa Monica Mts. 304 Comment
  JEPS26547  Ribes malvaceum Peter Kamb 1948-2-29 787 Los Angeles ridge w Sheep Corral Canyon (n slope of the Verdugo Range); Verdugo Range 792 Comment
  UCD102352  Ribes malvaceum Scott D. White; Pam DeVries 1997-11 6036 A Los Angeles San Gabriel Mountains, San Gabriel River Canyon: N of Azusa; alluvial bench S of unnamed dirt access road to gauging stn. Below Morris Dam; just SE of private orchard. 259 Comment
  RSA441456  Ribes malvaceum var. viridifolium H. L. Bauer 1932-1-1 15372 Los Angeles Santa Monica Mts Comment
  RSA616057  Ribes malvaceum var. viridifolium Scott D. White, Brian Leatherman 1997-1-20 6055 Los Angeles Santa Clara River Watershed: Headwaters of Iron Canyon and Oak Springs Canyon. 1160 Comment
  UCR272635  Ribes malvaceum var. viridifolium R. G. Swinney 2011-5-6 14592 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  CAS-BOT-BC219178  Ribes nevadense Geo. B. Grant 1902-6-11 s.n. Los Angeles Summit of Mount Wilson 1737 Comment
  RSA512153  Ribes quercetorum Steve Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct . San Andreas rift zone bissects the site. Comment
  UCR185575  Ribes quercetorum A. C. Sanders, T. B. Salvato 2007-4-25 33546 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 1220 Comment
  SD112045  Ribes viburnifolium Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Santa Catalina Island; East slope of Black Jack Mountain at Airport Road; Comment
  RSA725245  Romneya coulteri K. Dobry 1991-6-28 d- 777 Los Angeles Stunt Ranch Santa Monica Mts Stunt Rd Cold Creek Cyn. Comment
  CATA3102  Rosa californica Amy Catalano 2016-5-11 105 Los Angeles Santa Catalina Island: South side of Middle Ranch Road, 200 meters down canyon from Pumphouse 2 291 Comment
  POM183612  Rosa californica Joseph A. Ewan 1929-5-25 3501 Los Angeles Upper Brush Canyon, Santa Monica Mountains. Comment
  UC457325  Rosa californica Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  SBBG72351  Rubus leucodermis Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  UCR205736  Rumex A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36984 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
  UCD101161  Rumex crispus Louis C. Wheeler 1967-6-26 9899 Los Angeles San Gabriel Mountains, Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 487 Comment
  CAS-BOT-BC433574  Rumex hymenosepalus Lillian Mott 1974-4-15 30 LM74 Los Angeles 25 miles east of Lancaster and five miles east of Hi Vista 853 Comment
  POM156281  Rumex maritimus L. R. Abrams 1902-6-20 2573 Los Angeles Ballona marshes near Mesmer. Comment
  CAS-BOT-BC433926  Rumex salicifolius Timothy S. Ross; Steve Boyd 1994-7-7 8157 Los Angeles Liebre Mountains. Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982). 1018 Comment
  UCR270511  Rumex salicifolius R. G. Swinney 2011-5-26 14861 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UC1601400  Rumex salicifolius var. salicifolius L. R. Abrams and I. L. Wiggins 1931-7-6 366 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  RSA478862  Salicornia maritima F. R. Fosberg 1930-6-30 S 3062 Los Angeles Del Rey. 2 Comment
  POM2055  Salix laevigata I. M. Johnston 1917-5-13 1903 Los Angeles El Monte. 122 Comment
  UC1349339  Salix laevigata Robert F. Thorne 1966-4-5 35812 Los Angeles below Stage Station s.w. of Eagle's Nest (stream in Middle Ranch Canyon); Santa Catalina Isl., Middle Ranch Canyon 76 Comment
  SEINET12003259  Salix lasiandra C. W. Sharsmith 1932-1 8 Los Angeles Lower San Gabriel Canyon, 9.5 km above Azusa 300 Comment
  CAS-BOT-BC128142  Salix lasiandra var. lasiandra Geo. B. Grant 1901-6-1 4046 Los Angeles Southwest 1524 Comment
  POM2061  Salix lasiolepis Philip A. Munz 1918-3-28 2003 Los Angeles Claremont. Wash near Palmer's Canyon. Comment
  RSA332892  Salix lasiolepis Wayne E. Sawyer 1981-6-11 32 Los Angeles Angeles National Forest: CA Hwy 2 between Dawson Saddle and junction of CA Hwy 39, 1.6 mi. from Dawson Saddle. 2302 Comment
  UCR255493  Salix lasiolepis Dan S. Cooper 2014-6-26 614- 45 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  CAS-BOT-BC128489  Salix lasiolepis var. lasiolepis J. Ewan 1931-2-2 4018 Los Angeles Along river banks, Rio Hondo River near Downey Comment
  CDA17348  Salsola tragus M. O'Brien 2004-9-1 s.n. Los Angeles Southern California; Malibu Cyn Rd, 3.2 mi from Hwy 1 (mile marker 131). 161 Comment
  UC1375408  Saltugilia splendens subsp. grantii Robert F. Thorne 1969-7-2 38300 Los Angeles along Angeles Crest Hwy 3.2 mi wsw Cloudburst Summit (Angeles National Forest, San Gabriel Mts.); San Gabriel Mts., Angeles National Forest 1981 Comment
  RSA424327  Salvia apiana William Emboden 1970-6-12 8 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA488005  Salvia apiana Mark Hoefs, D. Propst 1973-3-14 106 Los Angeles Santa Catalina Island: Upper Cape Canyon. 274 Comment
  RSA599997  Salvia apiana Steve Boyd, Lauren Raz 1997-5-28 9837 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
  RSA442826  Salvia apiana William Emboden 1969-5-28 11 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  POM3986  Salvia carduacea W. R. Dudley, F. H. Lamb 1896-6-9 4365 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA411363  Salvia carduacea N. C. Cooper 1948-4-21 2695 Los Angeles Littlerock Reservoir. 762 Comment
  CATA3368  Salvia columbariae Peter J. Dixon 2016-3-24 042 Los Angeles Santa Catalina Island: N ridge of Sweetwater Canyon, near FAR fenceline, 1500 m west southwest of summit of Banning Mt. 249 Comment
  RSA0012047  Salvia columbariae R. G. Swinney 2009-4-29 10593 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA647871  Salvia columbariae LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 234 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 549 Comment
  UCD125726  Salvia columbariae Steve Boyd; Orlando Mistretta 1986-3-31 1521 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct with Hwy 18 NE of Pinyon Hills. Comment
  OBI53680  Salvia columbariae John Liu, Tony, John and Joseph 1994-5-10 17 Los Angeles Santa Monica Mts, Calabasas. 1 mi on Stut Rd from jct with Mulholland Hwy Comment
  LA212273  Salvia dorrii Lee Haines; 1968-3-30 s.n. Los Angeles NW corner. 6 miles south of Gorman. 1127 Comment
  RSA0034921  Salvia dorrii A. Lee Haines 1968-3-30 s.n. Los Angeles 6 miles S of Gorman. 1127 Comment
  CHSC95745  Salvia dorrii var. pilosa LeRoy Gross 2005-5-3 2240 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  SEINET2093128  Salvia eremostachya S. Rhodes 2001-5-24 209 Los Angeles Davenport Rd., E of Vasquez Rocks; 762 Comment
  CAS-BOT-BC233305  Salvia mellifera Carl B. Wolf 1932-5-9 3452 Los Angeles Pebbly Beach, hillside canyon, Santa Catalina Island 30 Comment
  JEPS62753  Salvia mellifera C. E. Hutchinson 1892-6-28 Los Angeles San Gabriel Canyon; San Gabriel Mts. 914 Comment
  RSA0118499  Salvia mellifera Sarah J. J. De Groot, Newton Wong 2016-7-7 7975 Los Angeles San Gabriel Mountains, Angeles National Forest. Northwest of Hoot Owl Flats, above San Gabriel Reservoir and North Fork of San Gabriel River. West of Highway 39 at mile post 28.5; Forest Service road 2N14 ca. 0.2 mi. from highway. 586 Comment
  RSA724463  Salvia mellifera K. Dobry 1991-3-15 417 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  UC457212  Salvia mellifera Carl Epling 1931-5-9 Los Angeles Los Alisos Canyon; Santa Monica Mountains Comment
  UC57015  Salvia spathacea Ernest Braunton 1902-5-27 365 Los Angeles Sherman Comment
  POM180163  Sambucus mexicana Joseph A. Ewan 1931-10-29 5275 Los Angeles 1/2 mi. below Seminole Hot Springs. 396 Comment
  RSA682660  Sambucus mexicana LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1086 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  SEINET12319541  Sambucus mexicana Unknown 1980-1 8 Los Angeles Temescal Canyon, Presbyterian Conference Grounds, Sunset Blvd. & Temescal Cyn. Rd., Pacific Palisade 168 Comment
  CATA78  Sambucus nigra subsp. caerulea Peter Henrikson 1987-4-14 59 Los Angeles Santa Catalina Island: Avalon Canyon along One Hour Trail, north exposure 121 Comment
  HSC3990  Sambucus nigra subsp. caerulea C. S. Apperson 1967-6-20 Los Angeles 2 mi. E from Sierra Pelona Lookout. Comment
  SBBG31076  Sambucus nigra subsp. caerulea R. F. Thorne 1966-4-28 36210 Los Angeles upper end of Renton Mine Rd, Pebbly Beach Cyn 259 Comment
  SD234776  Sambucus nigra subsp. caerulea A. C. Sanders 2003-5-1 26256 Los Angeles Western San Gabriel Mtns.: SE slopes of Castaic Mesa above Charlie east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property. 395 Comment
  UCR259132  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-4 12532 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UC877769  Samolus parviflorus Louis C. Wheeler 1933-7-7 1917 Los Angeles near El Monte (Lexington Wash); Lexington Wash 73 Comment
  CATA583  Sanicula arguta Mark L. Hoefs 1991-4-7 1021 Los Angeles Santa Catalina Island: By main road south-east of Cottonwood Beach 131 Comment
  UC729788  Sanicula arguta Carl B. Wolf 1932-5-11 3571 Los Angeles Santa Catalina Island, w side of Fourth of July Cove Fourth of July Cove; Santa Catalina Island, Fourth of July Cove 30 Comment
  RSA708657  Sanicula crassicaulis Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1187 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon, SE of Green Verdugo Reservoir. 457 Comment
  UC1605260  Sanicula graveolens Timothy S. Ross, Steve Boyd 1994-5-25 7901 Los Angeles Liebre Mountains, West Summit of Liebre Mountain, 100 m s of the intersection of sections 3, 4, 9, and 10 Liebre Mountain; Liebre Mountains, Liebre Mountain 1684 Comment
  POM97140  Sanicula tuberosa P. A. Munz 1925-4-23 9438 Los Angeles San Gabriel Canyon. 488 Comment
  RSA0105021  Sarcodes sanguinea R. G. Swinney 2011-6-22 15273 Los Angeles San Gabriel Mountains: Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy. 1598 Comment
  SD112052  Satureja douglasii Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, Middle Ranch Road Comment
  RSA670183  Satureja mimuloides Ian Swift 2001-7-2 236 Los Angeles Middle Fish Canyon, 1.5 miles north of Cienega Campground 808 Comment
  RSA458889  Saxifraga californica Louis C. Wheeler 1932-3-10 468 Los Angeles Big Dalton Canyon, San Gabriel Mountains 427 Comment
  UC858699  Saxifraga californica I. W. Clokey, E. G. Anderson 1931-3-11 5347 Los Angeles San Gabriel Canyon, above junction San Gabriel Canyon Comment
  SBBG43862  Schinus molle M. R. Benedict 1971-6-25 Los Angeles Northwest Harbor Comment
  CAS-BOT-BC239927  Schismus arabicus Ernest C. Twisselmann 1966-4-27 12107 Los Angeles Hi Vista 868 Comment
  CATA857  Schismus arabicus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1666 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA653883  Schismus barbatus Valerie L. Soza, Steve Boyd 2000-4-26 795 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  UCR220213  Schismus barbatus R. G. Swinney 2009-4-24 10473 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  UC1584239  Schoenoplectus acutus var. occidentalis Tim Ross, Steve Boyd 1990-6-6 2884 Los Angeles marshy portions at the n end Piru Pond; Liebre Mtn Quad., Los Padres National Forest, Piru Pond 644 Comment
  RSA366052  Schoenoplectus americanus Howard Mullins 1931-4-6 s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC111230  Schoenoplectus californicus LeRoy Abrams 1902-6-12 2536 Los Angeles Ballona creek, near Mesmer Comment
  SEINET3914290  Scirpus californicus Louis C. Wheeler 1946-7-20 6221 Los Angeles San Gabriel: Rio Hondo, 1/4 mile north of San Gabriel Boulevard.; 0 Comment
  CAS-BOT-BC21095  Scirpus microcarpus James R. Shevock 1974-4-30 3435 Los Angeles Los Angeles Basin. Angeles National Forest. San Gabriel Mountains. Along highway 39 south of Los Angeles Crest Highway. 1066 Comment
  POM6458  Scirpus microcarpus L. T. Street, G. Williams 1919-5-10 2755 Los Angeles Near Bassett. 90 Comment
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Feb 23 2017
  CATA250  Scrophularia villosa Mark L. Hoefs, A Douglas Propst 1973-5-4 250 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  SD66844  Scrophularia villosa R. Mitchell Beauchamp 1967-6-3 562 Los Angeles north side of canyon, south of Thirst, San Clemente Island Comment
  SDSU11024  Scrophularia villosa D. F. Howe 1968-2-25 4490 Los Angeles Fourth of July Cove, Santa Catalina Island. Comment
  UCR255765  Scutellaria mexicana R. G. Swinney 2010-5-12 12709 Los Angeles San Gabriel Mountains/Mojave Desert, 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
  UC884219  Scutellaria tuberosa Marcus E. Jones, A. M. 1882-5-2 3208 Los Angeles Pasadena Comment
  RSA45097  Scutellaria tuberosa Marcus E. Jones s.n. Los Angeles Los Angeles. Comment
  RSA639389  Selaginella bigelovii Louis Cutter Wheeler 1933-2-23 1482 Los Angeles Vasquez Rocks, Soledad Canyon drainage 838 Comment
  SEINET7839243 Image available Selaginella bigelovii Unknown July 01 1191 Los Angeles Sierra Madre Comment
  SEINET7881402 Image available Senecio douglasii G. L. Fisher 1929-1 s.n. Los Angeles San Fernando 305 Comment
  RSA598816  Senecio douglasii var. douglasii R. G. Swinney 1989-11-24 1497 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon area. Big Dalton Debris Basin. 365 Comment
  CAS-BOT-BC333085  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1955-8-10 2308 Los Angeles Castaic Valley 1/2 mile north of Holland Summit, san Emigdio Range 1219 Comment
  RSA0115263  Senecio flaccidus var. douglasii Richard G. Swinney 2010-10-5 13961 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA529898  Senecio flaccidus var. douglasii Timothy S. Ross 1991-8-16 5806 Los Angeles San Gabriel Mountains: Clear Creek Canyon, roadcut along Angeles Forest Hwy. 1085 Comment
  UC35971  Senecio flaccidus var. douglasii J. H. Barber 1897-10-21 288 Los Angeles Santa Monica Canyon Comment
  SBBG90575  Senecio lyonii G. B. Grant, W. Wheeler 1904-4-21 Los Angeles Santa Catalina Island Comment
  SD91999  Senecio lyonii Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22675 Los Angeles San Clemente Island; Wilson's Cove 24 Comment
  RSA608043  Senecio vulgaris L. C. Wheeler 1947-6-13 6520 Los Angeles Los Angeles/San Bernardino counties. San Gabriel Mountains: Cascade Canyon at fire road, near creek. Comment
  CDA2454  Setaria viridis T. C. Fuller 1958-8-6 5118 Los Angeles West of 90th Street East, 1/4 mile south of Avenue I, 9 miles east of Lancaster. 0 Comment
  UC1132946  Setaria viridis H. S. Yates 1936-8-28 6359 Los Angeles 5 mi. e.-s.e. Palmdale; Elizabeth Lake Quad. Comment
  UCR205691  Sherardia arvensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36980 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA433864  Sidalcea malviflora Anstruther Davidson 1890-05 s.n. Los Angeles Riverside, Sunnyside, Los Angeles Comment
  UC310206  Silene californica Philip A. Munz 1926-4-4 9996 Los Angeles Bouquet Canyon Bouquet Canyon (Southern California) 914 Comment
  RSA584305  Silene californica Timothy S. Ross 1993-6-7 7370 Los Angeles W end of the San Gabriel Mtns: ca 500 ft. NNE of Los Pinetos Spring on mesic N slope of knoll. 614 Comment
  RSA477880  Silene gallica Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles.[Los Angeles River?] Comment
  UCR199971  Silene gallica Valerie Soza, LeRoy Gross 2001-5-9 1191 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 274 Comment
  POM305925  Silene gallica Henry J. Ramsey, Henry Ramsey 1936-5-1 1223 Los Angeles Altadena, Eaton Canyon Park. Comment
  UCSB43752  Silene gallica Nakashima, L. 1982-4-17 Los Angeles West of Wringley Memorial Garden on Memorial Road; .79 miles from its junction with Avalon Canyon Road; on Santa Catalina Island 289 Comment
  LA94363  Silene laciniata subsp. laciniata Harlan Lewis; 1940-4-3 1285 Los Angeles Santa Monica Mountains, Pacific Coast Hwy 15 mi N [W] of Malibu Comment
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Aug 11 2014
  RSA477933  Silene laciniata subsp. major C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  RSA329663  Silene laciniata subsp. major Gary D. Wallace 1965-3-25 216 Los Angeles San Gabriel Mountains, Millard Canyon, north of Pasadena 915 Comment
  RSA430207  Silene laciniata subsp. major Kathy Harper 1987-5-2 s.n. Los Angeles Santa Monica Mountains, Mulholland Hwy between Las Virgenes Valley overlook and Yerba Buena Rd. Comment
  UCR271592  Silene lemmonii R. G. Swinney 2011-5-19 14784 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  RSA438864  Silene lemmonii George B. Grant 1906-6-15 1931 Los Angeles Summit of Mt. Wilson 1829 Comment
  UCD99106  Silene verecunda Joseph A. Ewan 1933-7-15 7792 Los Angeles above San Emigdis Camp, Mt. Pinos. 2133 Comment
  RSA229093  Silene verecunda subsp. platyota R. F. Thorne, C. W. Tilforth 1971-6-30 40757 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1616 Comment
  RSA588045  Silene verecunda subsp. platyota Orlando Mistretta 1994-5-31 1277 -A Los Angeles Santiago Canyon. N slope of Pacifico Mtn. 1939 Comment
  CATA3423  Silybum marianum Jaimie Choi, Olivia Reda, Stuart Olshevski 2017-5-1 004 Los Angeles Santa Catalina Island: Cape Canyon, interior 278 Comment
  UCR197727  Sisymbrium altissimum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 32 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  UCR47380  Sisymbrium altissimum David Charlton 1986-6-15 s.n. Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  RSA532643  Sisymbrium altissimum Timothy S. Ross 1991-8-14 5754 Los Angeles Roundtop Mountain. 1892 Comment
  RSA642724  Sisymbrium altissimum R. F. Thorne, C. W. Tilforth 1973-4-20 43094 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1036 Comment
  RSA599259  Sisymbrium irio Steve Boyd, Lauren Raz 1997-3-31 9434 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
  SDSU1257  Sisymbrium irio Florence Young Berg 865 Los Angeles Orange Orchard near Claremont. Comment
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Feb 6 2016
  CDA34308  Sisymbrium orientale M. O'Brien 2011-6-15 14 -Nov Los Angeles Santa Monica Mountains; El Matador State Beach. 30 Comment
  UCR207700  Sisymbrium orientale Justin M. Wood 2009-4-2 459 Los Angeles city of Claremont; Bernard Field Station, northwest corner of Mills Ave. and Foothill Blvd. 421 Comment
  RSA746853  Sisymbrium orientale Orlando Mistretta 1992-5-21 383 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UCR259590  Sisyrinchium bellum R. G. Swinney 2010-9-7 13731 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  OBI69298  Solanum douglasii John Knapp, Denise Knapp 2003-5-10 49 Los Angeles Catalina Island 472 Comment
  UCR210452  Solanum douglasii R. G. Swinney 2008-11-30 9876 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  RSA427307  Solanum elaeagnifolium Bonnie C. Templeton 1934-9-11 4419 Los Angeles Palms, LA. Comment
  UC57547  Solanum rostratum J. H. Barber 1898-7-4 Los Angeles Santa Monica Canyon Comment
  CAS-BOT-BC156507  Solanum umbelliferum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards [Canon] Canyon, San Gabriel Mountains Comment
  RSA427397  Solanum umbelliferum T. S. Clare 1929-3-3 15053 Los Angeles Topango [Topanga] Canyon. Comment
  RSA714191  Solanum umbelliferum E. A. Purer 1935-5-11 6544 Los Angeles Hillside, Malibu Road Comment
  RSA0020564  Solanum umbelliferum Peter Gail 1961-5-14 s.n. Los Angeles 58 Palm Dr., Arcadia Comment
  RSA427413  Solanum umbelliferum H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  RSA473605  Solidago californica Geo. L. Moxley 1913-9-1 185 Los Angeles Summit of Mt. Wilson. Comment
  UCR76081  Solidago californica R. D. Goeden 1991-9-3 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest: Angeles Hwy 2, north of Mt. Burnham 2162 Comment
  RSA0036049  Solidago confinis R. G. Swinney 2009-11-18 11652 Los Angeles 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  RSA596695  Solidago confinis Steve Boyd, Lauren Raz 1996-9-24 8936 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
  JEPS30662  Solidago velutina subsp. californica Peter H. Raven and Henry J. Thompson 1959-9-27 14552 Los Angeles Latigo Canyon 1.1 mi n Coast Highway (Santa Monica Mountains); , Latigo Canyon 213 Comment
  CAS-BOT-BC365843  Soliva sessilis Louis C. Wheeler 1957-3-22 7247 Los Angeles Los Angeles: NE of old wing of Los Angeles County Museum, Exposition Park Comment
  RSA0081379  Sonchus asper R. G. Swinney 2010-3-16 11911 Los Angeles 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
  UCR276971  Sonchus asper R. G. Swinney 2010-6-1 13135 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  LA32095  Sonchus asper subsp. asper Peter H. Raven; 1959-10-25 14700 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  CATA1249  Sonchus oleraceus Mark L. Hoefs, Phil Hartman, Bret Marin 1995-1-27 2329 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  UC1532940  Sonchus oleraceus Robert F. Thorne 1975-9-4 47386 Los Angeles campus USC Marine Science Center (Fisherman's Cove, Santa Catalina Island); Santa Catalina Island, Fisherman's Cove, USC Marine Science Comment
  RSA651291  Sonchus oleraceus Dan Milojevich 1981-5-3 32 Los Angeles 1/4 mile W. of Rosemead Blvd. at Whittier Narrows Recreation Park. Comment
  UCD136159  Sonchus oleraceus Donald R. Bissing 1973-6-2 148 Los Angeles Evey Canyon, San Gabriel Mountains. 1.4 miles from canyon mouth. 1024 Comment
  RSA607385  Spartium junceum L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mountains: East Fork Alder Creek off Big Tujunga. 1493 Comment
  UCR260025  Spartium junceum R. G. Swinney 2010-3-30 12107 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
  RSA0097067  Spergularia I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  POM158304  Spergularia macrotheca M. B. Dunkle 1928-4-29 1910 Los Angeles Santa Catalina Island. Near beach Little Harbor 3 Comment
  RSA188233  Spergularia macrotheca R. F. Thorne 1965-6-23 34941 Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. On rocky bluff on south side of beach. Comment
  RSA660870  Spergularia macrotheca var. macrotheca Orlando Mistretta 1992-4-4 133 Los Angeles San Clemente Island. Comment
  RSA0098604  Spergularia marina Anstruther Davidson 1890-4-6 s.n. Los Angeles San Pedro. Comment
  UCR162293  Spergularia marina Anuja Parikh, Nathan Gale 2004-6-22 2066 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  CDA24140  Spergularia marina T. C. Fuller 1981-4-1 20350 Los Angeles Below Salicornia, Ballona Marsh, 210 meters north of 431 East Culver Boulevard, Playa del Rey. 0 Comment
  RSA0037252  Stachys albens Sandy Leatherman, Jennifer S. Pareti 2013-5-28 2013 -7 Los Angeles Transverse Ranges; Santa Monica Mountains region; 0.3 miles west of the intersection of Agoura Road and Kanan Road. 258 Comment
  RSA446650  Stachys bullata Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 350 Comment
  SD124147  Stachys rigida var. quercetorum Richard S. Hood 1970-4-16 300 Los Angeles Pasadena; Arroyo Seco Park on fire road Ao mi. So. Of Pasadena Fwy. Opposite Ave. 57 182 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
  UCD136221  Stebbinsoseris heterocarpa A. C. Sanders; T. B. Salvato 2005-4-26 29719 Los Angeles Western San Gabriel/Liebre Mountains Region: Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines. 610 Comment
  RSA0115678  Stebbinsoseris heterocarpa Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 SCa- 526 Los Angeles Santa Catalina Island. Little Ripper's Canyon, just inland from beach. 36 Comment
  RSA478169  Stellaria media Robin S. Collins 1973-3-26 211 Los Angeles Trail Canyon, from beginning of pack trail into canyon. ca. 3 mi. 609 Comment
  CHSC95437  Stephanomeria cichoriacea LeRoy Gross 2001-9-1 447 Los Angeles Los Angeles Basin: Verdugo Mountains; north side, Along Verdugo Mountain Way east of Whiting Woods Mountain Way. Northwest facing cliff near the main crest, at top of Henderson Canyon. 854 Comment
  IRVC26307  Stephanomeria cichoriacea Mark A. Elvin, Cathleen Weigand 2003-5-22 2907 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  UCR271541  Stephanomeria cichoriacea R. G. Swinney 2011-11-3 16001 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  LA202760  Stephanomeria diegensis Barry A. Prigge; 2011-10-20 16131 Los Angeles Santa Monica Mountains, Mt Bell, Griffith Park, Mt Hollywood Trail ca 70 m E (upslope) of junction with Vista del Valle Dr Comment
  CDA8835  Stephanomeria diegensis D. Minnesang 1977-8-11 Los Angeles Los Angeles River at Florida Street, Long Beach. 0 Comment
  RSA654442  Stephanomeria exigua subsp. coronaria Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 979 Los Angeles Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), NW of ''La Tuna'', above Chandler Canyon, S of La Tuna Canyon. 426 Comment
  UCD136364  Stephanomeria exigua subsp. coronaria L. D. Gottlieb 1970-9-17 7054 Los Angeles on West Liebre Lookout Road, 1/2 mile west of Tent Rock Campsite, east of Gorman. 1615 Comment
  UCR130826  Stillingia paucidentata David Charlton 1989-4-21 2892 Los Angeles Mojave Desert (W): Antelope Valley, Ave. 'B' between 120th and 140th St. East, just south of Edwards Air Force Base. 701 Comment
  RSA457816  Stillingia paucidentata M. Maslow 1968-3-30 23 Los Angeles on road 3.7 miles north of Palmdale and 0.3 miles west of calif. Hwy. 14. Comment
  UCR205567  Stipa coronata R. G. Swinney 2008-5-30 8902 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  CATA3520  Stipa tenuissima Julia Parish 2018-2-1 002 Los Angeles Santa Catalina Island: Channel side; Avalon; 888 Country Club Dr. 62 Comment
  RSA383485  Stuckenia pectinata George R. Johnstone 1933-5-13 17433 Los Angeles Nigger Slough . [locality name change to Laguna Dominguez ] Comment
  RSA601917  Stuckenia pectinata L. C. Wheeler 1945-8-15 6088 Los Angeles El Monte: Lake Shangri-La. Comment
  SDSU560  Stylocline gnaphaloides H. Wedberg 1966-4-3 1187 Los Angeles Above Hill Dr. at Neal, in Eagle Rock. 457 Comment
  SBBG13771  Suaeda taxifolia E. R. Blakley 1961-9-25 4725 Los Angeles<