Search Results — 2000 specimen records retrieved (1573 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
  CAS-BOT-BC229554  Abronia maritima Herman Knoche 1919-7-4 1010 Los Angeles Beach, Smuggler's Cove Comment
  RSA460921  Abronia maritima G. J. Hollenberg 1928-7-10 s.n. Los Angeles south part of Venice, south of Del Rey Palisades Comment
  RSA33480  Abronia umbellata Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  SBBG80281  Abronia umbellata F. C. Boutin 1967-4-23 Los Angeles coast N of Wilson Cove 493 Comment
  SDSU8418  Abronia umbellata subsp. alba R. M. Beauchamp 1967-1-28 129 Los Angeles San Clemente Island Comment
  SEINET10451008  Acacia dealbata David B. Dunn 1971-8-11 Dunn 18101 Los Angeles Mimosaceae. Cultivated plants at 4911 Pasadena Ave. Terrace, Highland Park, Calif. Comment
  UC870076  Acer macrophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6731 Los Angeles bottom of San Dimas Canyon San Dimas Canyon Comment
  RSA0048298  Acer macrophyllum Elwood Fordham 1951-4-18 s.n. Los Angeles Topanga. 60 Comment
  RSA728293  Achnatherum hymenoides Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1958 Los Angeles Fort Tejon Road Comment
  CAS-BOT-BC217022  Achnatherum occidentale John Thomas Howell 1947-7-18 23391 Los Angeles Blue Ridge, San Gabriel Mountains 2590 Comment
  RSA718213  Achnatherum parishii subsp. parishii R. G. Swinney 1997-6-13 5580 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  RSA571282  Achnatherum speciosum Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8323 Los Angeles Side draw on northeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  UC1870325  Achnatherum speciosum LeRoy Gross 2005-5-3 2221 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Comment
  POM87793  Achyrachaena mollis L. R. Abrams 1902-4-20 2358 Los Angeles Los Angeles Comment
  SDSU4279  Acmispon argophyllus var. adsurgens R. M. Beauchamp 1967-6-4 566 Los Angeles San Clemente Island. Below 4th terrace above east side of Pyramid Cove. 274 Comment
  SD75504  Acmispon argophyllus var. argenteus M. B. Dunkle 1939-4-4 7252 Los Angeles San Clamente Island.Dry slope, China Point, Pyramid Cove. Comment
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Apr 20 2016
  SDSU4287  Acmispon argophyllus var. argenteus R. M. Beauchamp 1967-1-27 118 Los Angeles East of Wilson Cove. San Clemente Island. Comment
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May 16 2008
  SDSU4284  Acmispon argophyllus var. argophyllus R. M. Beauchamp 1967-1-27 119 Los Angeles San Clemente Island. Wilson Cove area. Comment
  UC80749  Acmispon argophyllus var. niveus T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island. Comment
  CHSC62045  Acmispon glaber var. glaber L. P. Janeway 1993-10-5 4615 Los Angeles Puente Hills; at the head of Arroyo San Miguel. 228 Comment
  CATA1621  Acmispon maritimus Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2894 Los Angeles Santa Catalina Island: Near Divide Road, east end, 1.8 miles from Wrigley Memorial 341 Comment
  UCD104221  Acmispon maritimus Daryl Koutnik 1978-5-10 465 Los Angeles Corral Canyon Road, Santa Monica Mountains. 548 Comment
  SBBG25465  Acmispon maritimus var. maritimus M. Vincent 1962-4-6 164 Los Angeles Old Topanga Cyn Rd, 3 mi S of Ventura Blvd Comment
  SD45469  Acmispon strigosus Robert L. Dressler 1949-4-23 696 Los Angeles Southern slope of eastern Santa Monica Mountains 213 Comment
  CAS-BOT-BC133193  Adenostoma fasciculatum L. R. Abrams; I. L. Wiggins 1931-7-4 315 Los Angeles White's Landing, Santa Catalina Island Comment
  LA207861  Adenostoma fasciculatum Carl Epling; May 1925 sn Los Angeles Mint Canon Comment
  RSA657367  Adenostoma fasciculatum Joseph M. Keefe 2001-1-19 30947 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  UC483358  Adenostoma fasciculatum L. R. Abrams and I. L. Wiggins 1931-7-4 315 Los Angeles Catalina Isl., White's Landing Comment
  UC72960  Adenostoma fasciculatum Miss E. D. Palmer 1904-11-12 Los Angeles vicinity Los Angeles (Rubio Canyon); Rubio Canyon Comment
  RSA390579  Adenostoma fasciculatum var. fasciculatum T. B. Merson 1940-7-18 s.n. Los Angeles Griffith Park. 610 Comment
  CAS-BOT-BC139856  Adenostoma sparsifolium Dr. H. E. Hasse 1910-10-16 s.n. Los Angeles N.W. slope of Santa Monica Mts. 3 miles west of head of Topanga [Canon] Canyon Comment
  RSA595005  Adiantum capillus-veneris Mark L. Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-12 2356 Los Angeles Santa Catalina Island, lower Cottonwood Canyon from road to beach. 6 Comment
  RSA603336  Adiantum capillus-veneris Scott D. White 1997-5-21 5205 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  CAS-BOT-BC65639  Adiantum jordanii Geo. B. Grant 1904-4-20 s.n. Los Angeles Catalina Island Comment
  RSA610784  Adiantum jordanii L. C. Wheeler 1932-5-8 689 Los Angeles Puddingstone Dam; San Jose Hills 304 Comment
  RSA732926  Adiantum jordanii R. G. Swinney 2000-5-21 7774 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon., 0.6 air mi. SW of Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  POM50242  Adiantum jordanii L. W. Nuttall 1920-5-7 s.n. Los Angeles Santa Catalina Island: open hillside below Chicken Johnny's. Comment
  SFV19103  Adolphia californica P. Saadat 1999-5-16 5 Los Angeles Santa Monica Mountains Topanga State Park. Between Rustic Canyon and Temescal Canyon. 365 Comment
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Jul 16 2019
  CDA33547  Aeonium arboreum Michael O Brien May 2010 Los Angeles El Matador State Beach; about 50 ft from parking lot and 150 ft from Pacific Coast Highway. 0 Comment
  RSA653903  Ageratina adenophora Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 815 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 548 Comment
  SEINET13297585 Image available Ageratina adenophora R. G. Swinney 2011-1 14481 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UCR119530  Ageratina adenophora L. C. Wheeler 1947-4-27 6470 Los Angeles San Gabriel Mtns., Mountain Cave, 1 mi [north] of Monrovia 530 Comment
  UCR200144  Ageratina adenophora Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 815 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 549 Comment
  CAS-BOT-BC29341  Ageratina adenophora P. H. Raven 1959-3-6 13829 Los Angeles Vavra Estate, West Los Angeles Comment
  RSA95116  Agoseris heterophylla var. heterophylla F. W. Peirson 1922-7-7 3189 Los Angeles Swartout Valley, Wright's Ranch. 1845 Comment
  RSA505263  Agoseris retrorsa S. Zona, D. Arias, O. Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 364 Los Angeles San Gabriel Mountains: north slopes west of Wrightwood 2018 Comment
  SEINET7042277  Agoseris retrorsa 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
  UCR209422  Agrostis R. G. Swinney 2008-9-13 9458 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  RSA0089521  Agrostis idahoensis R. G. Swinney 2011-8-17 15623 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA747672  Agrostis stolonifera R. G. Swinney 2001-9-16 8159 Los Angeles San Gabriel Mountains: 100 m east of Little Jimmy Spring Canyon, south fork, south of Hwy 2, 0.6 mile due east of Mt. Islip and c. 2 miles north of Crystal Lake. 2207 Comment
  RSA601139  Aleurites fordii L. C. Wheeler 1946-6-28 6218 Los Angeles Los Angeles. East side St. Andrews St. south of San Marino St. (2nd or 3rd house, east side). Comment
  UCR147536  Allium burlewii Naomi Fraga, Paul Morton 2004-5-18 1186 Los Angeles Transverse Ranges; San Gabriel Mountains region, Spur trail from main trail to summit of Mount Hillyer. 1860 Comment
  RSA639715  Allium campanulatum L. C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  UCR98749  Allium fimbriatum var. fimbriatum T. S. Ross, Steve Boyd 1990-6-18 3497 Los Angeles San Gabriel Mtns., Ball Flat, 1500 m due north of Jackson Lake, between the Boulder Canyon & Mescal Creek drainages. 1768 Comment
  RSA632450  Allium fimbriatum var. fimbriatum L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 991 Comment
  CAS-BOT-BC472002  Allium lacunosum var. davisiae Ralph Hoffmann 1932-4-27 s.n. Los Angeles Harold Comment
  CHSC95771  Allium monticola LeRoy Gross; Michael Denslow 2003-6-4 989 Los Angeles Transverse Ranges; San Gabriel Mountains region: Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. UTM Zone: 3802412N 0421876E. 1936 Comment
  POM263552  Allium monticola J. C. Roos 1937-7-16 636 Los Angeles Los Angeles - San bernardino counties. Mt. San Antonio 2744 Comment
  RSA729792  Allium monticola R. G. Swinney 1998-6-16 6978 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
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Nov 6 2012
  CAS-BOT-BC475402  Allium praecox Carl B. Wolf 1932-5-12 3583 Los Angeles Santa Catalina Island. 2 mi. from isthmus on road to little harbor 91 Comment
  RSA733675  Allophyllum glutinosum R. G. Swinney 1998-8-5 6650 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  RSA334166  Allophyllum integrifolium R. F. Thorne, M. Z. Thorne 1969-7-9 38520 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, sloping meadow, Big Pines, headwaters of Mescal Creek 2072 Comment
  CDA37801  Alternanthera philoxeroides Davis Los Angeles Rio Hondo Channel. 0 Comment
  UCR182237  Amaranthus albus R. G. Swinney 1997-9-6 5873 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  UCR160796  Amaranthus blitoides David Charlton 1991-9-19 5698 B Los Angeles Western Mojave Desert, Piute Ponds, SW side of Rosamond Dry Lake, Edwards Air Force Base 695 Comment
  SBBG133372  Amblyopappus pusillus J. Lambert, S. McDonough 2005-4-6 48 .05 Los Angeles near Swat 2 Comment
  CAS-BOT-BC42896  Ambrosia acanthicarpa Ernest C. Twisselmann 1970-9-8 17483 Los Angeles Antelope Valley: Avenue A, 0.2 mi. E of 30th Street West 731 Comment
  CHSC26545  Ambrosia acanthicarpa James Henrickson 1971-10-14 7188 Los Angeles NE Claremont along Foothill Blvd. 457 Comment
  UCD128707  Ambrosia acanthicarpa James Dilley 1996-10-26 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest, Vincent Gap, on Angeles Crest Hw. Comment
  SBBG17748  Ambrosia chamissonis P. H. Raven 1962-7-10 17953 Los Angeles near ocean W of Wall 2 Comment
  RSA416928  Ambrosia chamissonis L. E. Hoffman 1929-5-16 s.n. Los Angeles Castle Rock, Santa Monica. Comment
  UCR255482  Ambrosia confertiflora Dan S. Cooper 2014-6-4 614- 15 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Weidlake Dr., SE of Hollywood Reservoir 201 Comment
  IRVC28690  Ambrosia psilostachya A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25475 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  RSA0091515  Ambrosia salsola R. G. Swinney 2011-4-1 14319 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  CAS-BOT-BC142549  Amelanchier utahensis Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Valley Comment
  SD69036  Ammannia robusta Robert F. Thorne 1966-9-16 36710 Los Angeles Santa Catalina Island, margin of reservoir at Hay Press 410 Comment
  UC1929555  Amorpha californica Scott D. White, Justin Wood 2008-5-6 11933 B Los Angeles Puente / Chino Hills: Chino Hills, NW of Carbon Canyon Rd and SE of Tonner Canyon, on SCE powerline corridor (SE corner of county). Firestone Boy Scout Reservation. Comment
  UCR192935  Amorpha californica Dan S. Cooper 2008-1 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Fern Canyon, south fork (south of the one with amphitheater), Griffith Park, Los Angeles 197 Comment
  RSA499956  Amsinckia intermedia Richard C. Barkelew 1929-4-23 18113 Los Angeles Mulholland Highlands near LA. Comment
  RSA0079976  Amsinckia menziesii var. intermedia Steve Boyd, Lauren Raz 1997-3-25 9274 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA0108838  Amsinckia tessellata R. G. Swinney 2010-5-21 12883 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. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA314060  Amsinckia tessellata W. Wisura 1983-4-13 3904 Los Angeles 20.7 miles from [Interstate] 15 along [Hwy] 138. Comment
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Dec 22 2016
  UCR174466  Amsinckia tessellata A. C. Sanders 2006-4-11 32048 Los Angeles Western Mojave Desert, Antelope Valley, NE of Palmdale, 90th St. East in vicinity of Ave. 'O 793 Comment
  UCR219818  Amsinckia tessellata R. G. Swinney 2009-4-24 10432 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  OBI2774  Amsinckia tessellata Ruth Wilson 1961-3-30 s.n. Los Angeles Antelope Valley 792 Comment
  UCR214623  Anagallis arvensis A. C. Sanders, Dan S. Cooper 2010-3-12 37372 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA786392  Anagallis arvensis Doris Bowers 1957-4-25 216 Los Angeles LaVerne College, LaVerne 320 Comment
  RSA509601  Ancistrocarphus filagineus L. C. Wheeler 1967-5-8 9320 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 396 Comment
  CAS-BOT-BC400315  Anemopsis californica Volney Rattan 1887-6-1 s.n. Los Angeles San Anthonia Comment
  RSA188302  Anemopsis californica R. F. Thorne 1966-6-2 36528 Los Angeles Santa Catalina Island. Small stream running into reservoir NW of Catalina Airport. 442 Comment
  POM11579  Anisocoma acaulis Philip A. Munz 1921-6-18 4583 Los Angeles San Antonio Mountains, head of Swartout Valley. 2072 Comment
  UCR205607  Anisocoma acaulis R. G. Swinney 2008-5-12 8841 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA584678  Anthemis cotula Timothy S. Ross, Annette Ross 1991-6-3 5555 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  RSA11025  Antirrhinum coulterianum Carl B. Wolf 1928-3-29 1603 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  RSA647806  Antirrhinum coulterianum LeRoy Gross, Laura Moore 2000-6-5 228 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  SFV21115  Antirrhinum coulterianum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1101 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. On low ridge on east side of canyon, near canyon bottom. 457 Comment
  SFV4892  Antirrhinum coulterianum M. H. Grayum 1971-5-3 Los Angeles Santa Monica Mountains Tapia Park. 150 Comment
  UC1595271  Antirrhinum coulterianum Tim Ross and Peter Fritsch 1990-6-20 3662 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1328 Comment
  RSA371543  Antirrhinum coulterianum David M. Thompson 1983-8-1 309 Los Angeles Sand Canyon Road. On 1982 USFS prescribed burn on very steep slope of brush-covered hill directly across Sand Canyon Road from Live Oak Picnic Area. 640 Comment
  SBBG16979  Antirrhinum coulterianum M. Vincent 1962-6-18 261 Los Angeles Piuma Rd, 0.25 mi E of Malibu Cyn Rd Comment
  RSA719061  Antirrhinum kelloggii R. G. Swinney 1998-4-13 5947 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  UC26376  Antirrhinum kelloggii J. H. Barber 1897-3-28 110 Los Angeles Santa Monica Canyon Comment
  SD85156  Antirrhinum nuttallianum subsp. subsessile E. R. Blakley 1962-6-10 5247 Los Angeles San Clemente Island, north slope, Ao mile up canyon from mouth, halfway between Eel Point and Seal Cove 29 Comment
  CATA2973  Aphanisma blitoides Peter J. Dixon 2015-2-17 001 Los Angeles Santa Catalina Island: Ben Weston Ridge Rd. near feral animal removal fence gate. 60 m West of Middle Ranch Rd. Population bisected by road. 137 Comment
  POM18427  Aphanisma blitoides P. A. Munz 1923-4-11 6774 Los Angeles San Clemente Island: low shore on west coast. Comment
  UC557714  Apiastrum angustifolium Nell Murbarger April, 1936 50 Los Angeles San Clemente Island Comment
  UCR124620  Apiastrum angustifolium I. W. Clokey, B. C. Templeton 1929-1 4434 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  POM277127  Apiastrum angustifolium E. S. Steele, H. S. Pratt 1935-5-16 s.n. Los Angeles West hills of Eagle Rock 457 Comment
  CLARK-A1528-1425  Apium leptophyllum Alfred R. Roos 1958-5-29 Los Angeles parking strip on the 1900 block of Westwood Blvd. Comment
Read comments
Oct 26 2015
  CHSC98400  Arabidopsis thaliana LeRoy Gross 2001-3-31 363 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: at end of Olive Ave, parked on Via Montana, in city of Burbank. Folllow an old road that is overgrown so that a faint trail is all that is left of this road. The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. West facing slope, growing along old road, above a small side canyon that drains into Sunset Canyon. 365 Comment
  RSA0125923  Arabidopsis thaliana LeRoy Gross 2001-3-31 363 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road., The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 366 Comment
  RSA0126230  Arabis glabra var. glabra Mike Hammitt, Jason Rick 1991-6-19 s.n. Los Angeles Sawpit Canyon. 549 Comment
  UCR190105  Arabis platysperma R. G. Swinney 1998-8-27 6811 Los Angeles San Gabriel Mtns., gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  UC855513  Arabis pulchra Alice Eastwood and John Thomas Howell 1937-4-26 3968 Los Angeles near Palmdale Comment
  UCR271862  Arabis sparsiflora R. G. Swinney 2011-6-23 15321 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  CAS-BOT-BC407776  Arceuthobium californicum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3768 Los Angeles low saddle between Crystal Lake and the depression to its SSW 1716 Comment
  UCD50482  Arctostaphylos catalinae Robert F. Thorne; P. Everett 1965-5-12 34599 Los Angeles Bulrush Canyon, Santa Catalina Island. 274 Comment
  RSA244822  Arctostaphylos glandulosa F. R. Fosberg 1931-4-23 4685 Los Angeles Santa Catalina Island. Headwaters of Swain's Canyon, NE slopes of Black Jack Mountain. 350 Comment
  RSA631211  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21981 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA0017038  Arctostaphylos glandulosa subsp. cushingiana Wesley O. Griesel 1962-5-12 s.n. Los Angeles Charlton Flats 1524 Comment
  RSA629084  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20248 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA604327  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1936-6-19 4156 Los Angeles Tanbark Flats, San Dimas Canyon. 793 Comment
  RSA631450  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16008 Los Angeles Whitaker Peak, west of the Templin Highway. 1250 Comment
  RSA631454  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16038 Los Angeles Ridge Route, 12 km south of Liebre Gulch turnoff. 950 Comment
  RSA631502  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15980 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631508  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16036 Los Angeles Ridge Route, 15 km south of Liebre Gulch turnoff. 950 Comment
  SD260942  Arctostaphylos glauca R. G. Swinney 2011-6-15 15165 Los Angeles San Gabriel Mountains: Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy. 1584 Comment
  RSA631707  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15937 Los Angeles North of Castaic Lake. 1000 Comment
  RSA756953  Arctostaphylos glauca Orlando Mistretta, Christine Mistretta 2008-4-17 2478 -a 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
  RSA634355  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20621 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA635069  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20553 Los Angeles Dirt road 2 km NW of Chilao Campground. San Gabriel Mtns. 1720 Comment
  RSA635245  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20644 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  RSA635275  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20638 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  UCR150450  Arenaria macradenia R. G. Swinney 1999-6-21 7377 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  RSA65498  Arenaria macradenia var. arcuifolia F. W. Peirson 1923-5-25 4286 Los Angeles Summit of Mint Canyon Grade, s. w. Mojave Desert. 975 Comment
  RSA603619  Arenaria macradenia var. kuschei Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10012 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site. 1584 Comment
  RSA603811  Arenaria macradenia var. kuschei Steve Boyd 1997-9-10 10028 Los Angeles Liebre Mountains Region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site. 1572 Comment
  UCR189946  Arenaria nuttallii subsp. gracilis R. G. Swinney 1998-8-27 6828 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  RSA434285  Argemone corymbosa K. C. Zakar 1969-07 s.n. Los Angeles Switzer's Camp, Angeles Crest Hwy, ca. 10 miles north of La Canada, San Gabriel Mtns. 1524 Comment
  RSA762434  Argemone munita R. G. Swinney 2008-8-13 9372 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  CAS-BOT-BC401793  Argemone munita subsp. rotundata Timothy S. Ross; Steve Boyd 1994-5-4 7645 Los Angeles Liebre Mountains. Near the headwaters of San Francisquito Canyon, 1790 m E of Grass Mtn summit on the Grass Mtn - Leona Divide Truck Trail 1225 Comment
  CATA2064  Aristida adscensionis Steven A. Junak 1998-7-17 789 Los Angeles Santa Catalina Island: Just W of mouth of Silver Canyon, on coastal slopes just inland from beach 12 Comment
  CAS-BOT-BC84972  Artemisia californica R. M. Beauchamp 1967-1-27 105 Los Angeles East of wilson Cove area, San Clemente Island Comment
  RSA0108893  Artemisia californica Richard G. Swinney 2010-8-11 13509 Los Angeles San Gabriel Mountains: San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/service road. 595 Comment
  UC447151  Artemisia californica J. Ewan 1931-2-2 4009 Los Angeles Rio Hondo R. at Telegraph Road Comment
  UC483214  Artemisia californica L. R. Abrams and I. L. Wiggins 1931-7-6 392 Los Angeles vicinity of Mosquito Harbor; San Clemente Island Comment
  SEINET6775386 Image available Artemisia douglasiana G. B. Grant 1904-1 68 a Los Angeles Pasadena Comment
  CAS-BOT-BC90347  Artemisia douglasiana Cecil Hart 1922-9-12 s.n. Los Angeles Howard & Smith's nursery Montebello, Los Angeles Comment
  RSA417280  Artemisia douglasiana B. C. Templeton 1965-8-29 s.n. Los Angeles In Small canyon, near San Diego freeway. Comment
  RSA656255  Artemisia douglasiana Bill McKinley 1976-4-18 3 Los Angeles Verdugo Mountains: North facing slope, intersection of Beaudry Fire Roads, 880 yards west of Beaudry Blvd. near Oakmont Country Club, Glendale. 396 Comment
  LA201929  Artemisia dracunculus Arthur C. Gibson; 2003-8-24 4921 Los Angeles 188 Comment
  RSA239862  Artemisia dracunculus John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles near the base of Mt. Baden-Powell trail 2194 Comment
  UC205663  Artemisia ludoviciana subsp. albula I. M. Johnston 1917-8-22 1651 Los Angeles Pine Mt. Ridge, San Antonio Mountains Comment
  RSA730177  Artemisia tridentata R. G. Swinney 1998-9-4 6895 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06 2241 Comment
  CAS-BOT-BC97280  Artemisia tridentata subsp. parishii L. R. Abrams 1916-10-31 6363 Los Angeles Type locality: Newhall, Fremont's Pass, near Newhall Comment
  CAS-BOT-BC97290  Artemisia tridentata subsp. parishii Helen D. Geis 1909-1-1 s.n. Los Angeles Newhall Comment
  UC1119416  Artemisia tridentata subsp. parishii A. Lewis 1934-2-1 4297 Los Angeles Oak Springs San Fernando Quadrangle, Oak Springs Comment
  RSA93837  Artemisia tridentata subsp. parishii F. W. Peirson 1921-11-11 1452 Los Angeles Lower Bouquet Canyon. Comment
  OBI6007  Artemisia tridentata subsp. tridentata Carl B. Wolf 1931-10-23 2493 Los Angeles San Gabriel mtns. Swartout Valley, 1 mi E of Wrightwood Lodge Comment
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Jul 4 2013
  SBBG12204  Arthrocnemum subterminale P. H. Raven 1962-7-12 Los Angeles just W of North Head 6 Comment
  RSA235235  Arthrocnemum subterminale E. R. Blakley 1962-6-10 5221 Los Angeles Wilson Cove, San Clemente Island 6 Comment
  RSA549504  Asclepias californica T. S. Ross, Steve D. Boyd 1990-6-18 3482 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  UC586907  Asclepias californica Joseph Andorfer Ewan 1934-8-3 8430 Los Angeles Table Mt. trail to Swartout Valley floor; San Gabriel Mts., Table Mt. 2164 Comment
  UCSB50295  Asclepias californica Reisentz, Paul 1975-5-27 Los Angeles 1 mile north of Mulholland Hwy. on Valley Circle Road 213 Comment
  RSA229736  Asclepias eriocarpa R. F. Thorne 1971-6-26 40599 Los Angeles Summit of Mt. Wilson 1738 Comment
  RSA670181  Asclepias erosa Ian Swift 2001-9-10 333 Los Angeles Lower Poison Oak Canyon 1098 Comment
  SBBG31249  Asclepias fascicularis R. F. Thorne 1966-4-7 35977 Los Angeles near Arrow Pt, W end of island 60 Comment
  RSA0127460  Asclepias fascicularis Louis C. Wheeler 1967-7-18 10076 Los Angeles Gold Creek, Watts Ranch (off Little Tujunga Canyon) at Center Creek. 640 Comment
  SEINET10923197  Asclepias fascicularis G. B. Grant 1904-7-8 Grant 63 -6319 Los Angeles Cienega Comment
  UCR102195  Asclepias physocarpa Rudy J. Martinez 1997-11-3 s.n. Los Angeles Los Angeles Basin, city of Los Angeles, residence at 2750 East Guirado Street 10 Comment
  RSA0104715  Asclepias vestita R. G. Swinney 2009-5-6 10652 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA401114  Asclepias vestita Anstruther Davidson 1893-7-4 1940 Los Angeles Rock Creek. Comment
  LA202625  Asparagus asparagoides Arthur C. Gibson; 2005-6-24 5119 Los Angeles Santa Monica Mountains, Malibu Creek State Park, Malibu, along road encircling Malibu Lagoon on western side 0 Comment
  LA94114  Aspidotis californica Lawrence L. Kiefer; 1966-3-20 1750 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 0.5 mi below Fernwood. 213 Comment
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Sep 26 2014
  LA94124  Aspidotis californica Lawrence L. Kiefer; 1966-3-26 1776 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  RSA0088156  Aspidotis californica R. G. Swinney 2010-8-30 13624 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  RSA93784  Aster greatae F. W. Peirson 1918-10-16 274 Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 534 Comment
  RSA0116123  Astragalus douglasii R. G. Swinney 2010-6-1 13165 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
  UCR185562  Astragalus douglasii A. C. Sanders 2007-4-25 33577 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCR206262  Astragalus douglasii R. G. Swinney 2008-6-4 8941 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  RSA608453  Astragalus lentiginosus var. antonius L. C. Wheeler 1946-8-29 6319 Los Angeles North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout. 2560 Comment
  RSA194014  Astragalus miguelensis R. M. Beauchamp 1967-3-19 323 Los Angeles South of runway, Sherman feils, San Clemente Island. Comment
  SEINET10775821  Astragalus miguelensis Robert F. Thorne 1973-4-11 Thorne 42877 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  SD249202  Astragalus nevinii Michael G. Simpson, Adrienne Russell, et al. 2000-7-19 2185 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  SDSU7911  Astragalus nevinii R. M. Beauchamp 1967-3-19 322 Los Angeles Half a mile south of the runway at sherman Field. 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-BC194077  Astragalus preussii A. D. E. Elmer 1902-6-1 3669 Los Angeles Lancaster Comment
  RSA0116318  Astragalus purshii var. tinctus A. C. Sanders 2006-4-10 31990 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  JEPS54669  Astragalus trichopodus var. lonchus Julia A. Bettys 1929-4-29 Los Angeles Huntington Palisades Comment
  SD13185  Astragalus trichopodus var. lonchus Edith A. Purer 1935-5-11 6548 Los Angeles Malibu Road, Santa Monica Mts. Comment
  CAS-BOT-BC194003  Astragalus trichopodus var. lonchus Grant; Wheeler 1904-4-1 6262 Los Angeles Santa Catalina Isl. Comment
  CAS-BOT-BC200833  Astragalus trichopodus var. trichopodus I. M. Johnston 1918-5-19 1964 Los Angeles Hills south of Pomona 365 Comment
  UC56779  Atriplex argentea var. mohavensis Ernest Braunton Sep 1902 635 Los Angeles Cienega Comment
  UCR266306  Atriplex californica Robert Hamilton 2009-4-13 s.n. Los Angeles South Coast, Palos Verdes Peninsula, just west of Calle Entradero, the extension of Hawthrone Blvd. on the ocean side of Palos Verdes Dr. West 5 Comment
  RSA0073225  Atriplex canescens Bonnie C. Templeton 1931-5-17 1203 Los Angeles West of Lancaster, Mohave Desert. Comment
  RSA133434  Atriplex lentiformis subsp. breweri P. H. Raven, H. J. Thompson 1959-9-6 14384 Los Angeles At mouth of Malibu Creek 12 Comment
  RSA608828  Atriplex lentiformis subsp. lentiformis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Sand Canyon, Head of Placerita Canyon Hwy, Placerita Canyon Road. 609 Comment
  SEINET269133  Atriplex parryi A. C. Sanders, E. J. Lott 1993-5-6 13974 Los Angeles SW edge of Rosamond Dry Lake near E end of Ave. C just W of Piute Ponds and E of Sierra Hwy. at edge of Edwards AFB. 701 Comment
  RSA550004  Atriplex semibaccata Scott D. White 1992-10-9 942 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  SD112033  Atriplex semibaccata Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island; Little Harbor. Comment
  POM211534  Avena barbata Joseph A. Ewan 1932-2-20 7021 Los Angeles Campus of University of California, Faculty Hill. Comment
  RSA547792  Avena barbata Timothy S. Ross, Peter Fritsch 1990-6-20 3687 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  UCD56201  Avena barbata Gordon Pilone 1961-2-14 86 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  UCR200019  Avena barbata Valerie Soza, Mariam Sidibeh 2003-3-26 1616 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  CATA1057  Avena fatua Mark L. Hoefs 1995-5-10 1990 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  RSA385385  Avena fatua Howard Mullins 1931-3-13 s.n. Los Angeles L.A. [Los Angeles] Vacant Lots and waste places in the city, roadsides Comment
  UCR190528  Avena fatua R. G. Swinney 1990-3-23 1545 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  LA35762  Avena fatua Harlan Lewis; 1941-3-19 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  UCR209966  Azolla filiculoides R. G. Swinney 2008-9-9 9335 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA694976  Azolla filiculoides Geo L. Moxley 1916-8-17 s.n. Los Angeles L.A. riverbed near Broadway Bridge Comment
  SD85097  Baccharis glutinosa E. R. Blakley 1961-9-24 4775 Los Angeles Santa Catalina Island: canyon upstream from Ben Weston Ranch 14 Comment
  RSA0008312  Baccharis malibuensis Carl Wishner, Suzanne Goode 2000-10-13 3950 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot 58 Comment
  RSA706910  Baccharis pilularis Gary D. Wallace, M. Wallace 1985-3-2 2176 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  POM250380  Baccharis salicifolia I. W. Clokey, E. G. Anderson 1931-3-11 5324 Los Angeles San Gabriel Mountains, San Gabriel Canyon 900 Comment
  UCR187000  Baccharis salicifolia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32228 Los Angeles Tehachapi Mtns. Foothills, near Oso Pumping Plant on the California Aqueduct, just below the Kern Co. line along the road to the pumping plant 939 Comment
  RSA713823  Baccharis sarothroides Mark Elvin 2003-6-12 2947 Los Angeles Santa Clarita Valley: Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road. 366 Comment
  CAS-BOT-BC99898  Baileya multiradiata Sherwin Carlquist 1952-8-21 323 Los Angeles Huntington Drive at West Drive, San Marino Comment
  UC893831  Balsamorhiza deltoidea I. W. Clokey, C. B. Clokey and B. C. Templeton 1930-5-13 4628 Los Angeles Boquet Canyon Bouquet Canyon 335 Comment
  UC198541  Beta vulgaris Katharine Brandegee Los Angeles Catalina Island Comment
  IRVC27300  Beta vulgaris A. C. Sanders, Mark Elvin 2003-8-7 27158 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  RSA603805  Bidens laevis L. C. Wheeler 1933-10-20 2186 Los Angeles San Gabriel River 76 Comment
  CAS-BOT-BC101995  Bidens pilosa C. F. B. 1903-10-1 3729 Los Angeles Claremont Comment
  UCD129558  Bidens pilosa Collector Unknown 1923-3-18 305 Los Angeles Eaton Canyon. Comment
  RSA607595  Bidens pilosa var. pilosa L. C. Wheeler 1966-10-25 9074 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA678214  Bituminaria bituminosa Valerie L. Soza, LeRoy Gross 2001-4-18 1140 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons, north side of Santa Anita Canyon Road. 396 Comment
  UC1133855  Bloomeria crocea A. D. Gifford 1934-4-23 159 Los Angeles 2 mi. n.e. Castro Peak; Triunfo Pass Quad. Comment
  POM1683  Bloomeria crocea var. crocea Philip A. Munz 1918-5-19 2271 Los Angeles Pomona. Comment
  RSA70167  Bloomeria crocea var. crocea F. W. Peirson 1922-6-3 3091 Los Angeles north slope at foot of Oak Grove Canyon, Mojave Desert. 976 Comment
  UCSB18424  Boechera sparsiflora Day, Fran 1964-4-25 Los Angeles 16 miles south of Gormin turn-off on US 99 670 Comment
  POM1032  Bothriochloa barbinodis P. A. Munz 1918-4-11 2055 Los Angeles Lone Hill near Glendora Comment
  RSA583043  Bowlesia incana T. S. Ross 1993-4-22 6885 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft); 1000m ESE of Cactus Peak summit; large [rock] outcrop on NNW side of 1528-ft peak. 447 Comment
  RSA733127  Boykinia rotundifolia R. G. Swinney 1998-7-30 6587 Los Angeles San Gabriel Mtns.: lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR164843  Boykinia rotundifolia Naomi Fraga, Lisa Rojas 2005-7-7 1608 Los Angeles Transverse Ranges: San Gabriel Mountains region, Cucamonga Canyon, past the gaging station just south of the narrows 732 Comment
  UCR189869  Boykinia rotundifolia R. G. Swinney 1998-7-21 6464 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail 1951 Comment
  UCR223036  Brassica geniculata R. G. Swinney 2009-5-6 10678 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  PASA389  Brassica nigra Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  OBI69359  Brickellia californica John Knapp, Denise Knapp 2002-11-27 24 Los Angeles Santa Catalina Island 76 Comment
  UCSB6401  Brickellia californica Gill, Robert 1959-9-30 Los Angeles At base of San Gabriel Dam; San Gabriel Mt. Range; Pacific Slope Drainage Area Comment
  RSA0062665  Brickellia californica M. Ward, Shirley W. Campbell 1970-10-15 109 Los Angeles Lower Arroyo Seco, southeastern Pasadena. Comment
  RSA653462  Brickellia nevinii Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 757 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 487 Comment
  RSA654339  Brickellia nevinii Valerie L. Soza, Laura Moore 2000-5-30 972 Los Angeles Liebre Mountains: San Francisquito Canyon, at Los Angeles Dept of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, W of San Francisquito Canyon Road. 487 Comment
  RSA127973  Brickellia nevinii Peter H. Raven 1959-10-25 14703 Los Angeles Mulholland Highway 4.4 miles north-east of Coast Highway. 244 Comment
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Jan 16 2015
  RSA0085064  Brodiaea filifolia Robert Kessler 1892-05 3418 Los Angeles Foothills N. of Glendora, Los Angeles. Comment
  UCR216376  Brodiaea terrestris subsp. kernensis Dan S. Cooper 2010-5-10 510- 48 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Cemetery, Burbank, lower Royce Canyon, near Griffith Park 210 Comment
  RSA187201  Bromus arizonicus Le Roy Abrams 1929-3-14 12635 Los Angeles Hollywood. Comment
  RSA717959  Bromus arvensis R. G. Swinney, Dave Larson 1996-8-7 5247 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s 1524 Comment
  SEINET887800  Bromus breviaristatus Timothy S. Ross, Steve Boyd 1990-1 2747 Los Angeles Ridge descending northward from MT. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon; Rancho Santa Ana Botanic Garden Comment
  RSA151296  Bromus carinatus P. H. Raven 1962-4-9 17169 Los Angeles San Clemente Island: small arroyo above Wilson Cove 61 Comment
  RSA771552  Bromus carinatus R. G. Swinney 2009-5-28 10952 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SD252233  Bromus carinatus Steven A. Junak 1999-5-8 Sca 918 Los Angeles Santa Catalina Island. Fern Canyon, Cottonwood Canyon watershed, just upstream from fenceline, elevated floodplain. Comment
  SEINET943639  Bromus carinatus var. carinatus Timothy S. Ross, Victor W. Steinmann 1995-1 8551 Los Angeles Slopes between Leona Valley and LOST VALLEY, Sleepy Valley 7.5 (QUAD) 1097 Comment
  CDA31588  Bromus catharticus T. C. Fuller 1958-8-6 2201 Los Angeles 9 miles west of Lancaster 0 Comment
  RSA0108916  Bromus diandrus R. G. Swinney 2011-3-26 14220 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 476 Comment
  RSA592440  Bromus diandrus L. C. Wheeler 1967-5-13 9524 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 259 Comment
  UC589656  Bromus diandrus Nell Murbarger April 1936 88 Los Angeles e side of San Clemente Island San Clemente Island Comment
  UCR223576  Bromus diandrus R. G. Swinney 2009-6-3 11036 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  LA105111  Bromus diandrus Barry A. Prigge; 1988-7-9 8256 Los Angeles Santa Monica Mountains, Calabasas, 900 ft ESE of N-Junction of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School 374 Comment
  CAS-BOT-BC155385  Bromus hordeaceus John H. Thomas 1957-5-17 6760 A Los Angeles Los Angeles. Occidental College Campus. Near Moore Laboratory. Comment
  CATA843  Bromus hordeaceus Mark L. Hoefs 1991-6-26 1443 Los Angeles Santa Catalina Island: Upper Cape Canyon at Cape Canyon Reservoir 390 Comment
  POM363876  Bromus hordeaceus Robert Gustafson 1978-6-1 994 Los Angeles Off dirt road leading into Hungry Valley, ca. .3 mile west of the 2-lane Peace Valley Rd., west of Gorman. 1220 Comment
  RSA151303  Bromus hordeaceus P. H. Raven 1962-5-8 17599 Los Angeles San Clemente Island: mouth of canyon at south end of Seal Cove 15 Comment
  RSA221478  Bromus hordeaceus Arthur C. Gibson 1971-4-16 1851 Los Angeles [San Gabriel Mountains] Near mouth opening into San Antonio Canyon, Stoddard Canyon, Angeles National Forest 738 Comment
  RSA600183  Bromus hordeaceus L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  SEINET7106140  Bromus hordeaceus K. Dobry 1991-5-13 482 Los Angeles West San Gabriel Mts. at Elsmere Canyon.; 0 Comment
  UCR88673  Bromus madritensis Scott D. White, Chet McGaugh 1995-5-9 3024 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  RSA638865  Bromus pseudolaevipes Valerie L. Soza, Laura Moore 1999-6-30 593 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  POM363938  Bromus rubens Anstruther Davidson 1917-04 3229 Los Angeles E. Los Angeles. Comment
  RSA659808  Bromus rubens Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 82 Los Angeles San Clemente Island. Comment
  SBBG31464  Bromus rubens R. F. Thorne 1966-4-4 35787 Los Angeles Bird Rock, N of Isthmus Cove 7 Comment
  IRVC26335  Bromus sterilis A. C. Sanders, Andy Thompson 2003-4-15 25993 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA0028713  Bromus tectorum Donald Tahara 1975-5-25 70 Los Angeles 0.25 mi. South Charlton Stn. off Angeles Crest Hwy. Comment
  UC53322  Bromus trinii J. Burtt Davy 1896-5-20 2639 Los Angeles Leonis Valley Comment
  LA33943  Calandrinia ciliata Peter H. Raven; Henry J. Thompson 1959-4-3 13921 A Los Angeles SANTA MONICA MOUNTAINS, just E of Malibu Junction. 265 Comment
  SEINET7063484  Calochortus A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta-Brea Canyon Road. Puenta Hills. UTM Zone 11, 415263mE, 3762506mN. (WGS84/NAD83). 126 Comment
  POM1721  Calochortus albus Le Roy Abrams 2620 Los Angeles Little Santa Anita Canyon. San Gabriel Mountains. 915 Comment
  LA35906  Calochortus catalinae Peter H. Raven; Henry J. Thompson 1960-4-24 15118 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Decker Rd, 2 mi from Pacific Coast Hwy. 243 Comment
  UC170827  Calochortus catalinae George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 126 a/1847 Los Angeles Santa Catalina Island Comment
  UCR62092  Calochortus catalinae S. J. Myers, R. Montijo 1990-4-20 s.n. Los Angeles Powder Canyon, in city of La Habra Heights 245 Comment
  CAS-BOT-BC132346  Calochortus clavatus Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  LA22349  Calochortus clavatus Carl Epling; 1931-5-9 22349 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UC535381  Calochortus clavatus Ira W. Clokey, B. Templeton May 1929 4552 Los Angeles Mandeville Canyon Santa Monica Mountains 500 Comment
  RSA600477  Calochortus clavatus var. gracilis Steve Boyd, Lauren Raz 1997-4-30 9619 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  SFV21047  Calochortus clavatus var. gracilis L. Gross, V. Soza 2001-6-6 435 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) from the crest, on north-facing slope. 488 Comment
  POM1711  Calochortus invenustus I. M. Johnston 1917-7-4 1379 Los Angeles Bear Flat Trail to Baldy Comment
  CAS-BOT-BC483410  Calochortus invenustus Le Roy Abrams; E. A. McGregor 1908-7-5 635 Los Angeles Swartout Canyon, San Gabriel Mountains 1828 Comment
  UCR281337  Calochortus plummerae R. G. Swinney 2014-5-21 16618 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  SBBG31279  Calochortus splendens R. F. Thorne with P. C. Everett 1965-6-24 35027 Los Angeles Rancho Escondido, Escondido Cyn 213 Comment
  UC843701  Calochortus splendens F. R. Fosberg 1931-4-23 S 4690 Los Angeles se slopes Black Jack Mt.; Santa Catalina Island 350 Comment
  RSA736004  Calochortus weedii var. intermedius Scott D. White, Justin M. Wood 2008-6-4 12056 Los Angeles Puente Hills NW of Turnbull Canyon. SCE powerline corridor at tower 27 and adjacent access road. 348 Comment
  UCR193578  Calyptridium monandrum R. G. Swinney 1999-4-5 7042 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  RSA0083306  Calystegia macrostegia R. G. Swinney 2010-3-22 12039 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  SBBG133409  Calystegia macrostegia J. Savage 2003-8-25 Los Angeles VC3 sand pile Comment
  SBBG58100  Calystegia macrostegia R. Hoffmann 1927-6-14 Los Angeles Neenach Comment
  UC465969  Calystegia macrostegia subsp. amplissima T. S. Brandegee 1894-10-25 Los Angeles San Clemente Isl Comment
  LA50061  Calystegia macrostegia subsp. intermedia H. L.; 1939-9-23 1001 Los Angeles Santa Monica Mountains, Campus U.C.L.A 60 Comment
  RSA3497  Calystegia macrostegia subsp. intermedia C. B. Wolf 1932-5-9 3440 Los Angeles Opposite the tent city, Pebbly Beach, Santa Catalina island. Comment
  POM3592  Calystegia occidentalis subsp. fulcrata D. L. Crawford 1915-7-1 s.n. Los Angeles Bear Flats above Claremont 2133 Comment
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Apr 12 2016
  RSA615459  Calystegia occidentalis subsp. fulcrata L. C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  RSA756118  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-4-30 2576 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  RSA764504  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2592 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA764516  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-3 2625 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 31 per TRTP Survey 2008), in the vicinity of Portal Ridge, SE of Elizabeth Lake Rd. 958 Comment
  SEINET7126131  Calystegia soldanella E. Braunton 1902-5-25 279 Los Angeles Hermosa Beach Comment
  UC557671  Calystegia soldanella Nell Murbarger May, 1936 209 Los Angeles extreme n end San Clemente Island; extreme n end San Clemente Island Comment
  POM3103  Camissonia bistorta O. W. Robinson 1916-3-8 s.n. Los Angeles Claremont, wash south of Greek Theater Comment
  RSA465682  Camissonia bistorta T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica Mountains, Santa Monica Canyon Comment
  RSA465688  Camissonia bistorta Richard C. Barkelew 1929-4-17 s.n. Los Angeles Santa Monica Mountains, Mulholland Highlands, Los Angeles. Comment
  RSA725068  Camissonia boothii subsp. decorticans Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -91 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1433 Comment
  LA46759  Camissonia californica J. Warren; 1952-5-15 sn Los Angeles Santa Monica Mountains, Mulholland Drive 457 Comment
  RSA0098773  Camissonia californica R. G. Swinney 2011-6-1 14957 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA114439  Camissonia californica E. K. Balls 1955-5-20 20770 Los Angeles Claremont, volunteer plant at Rancho Santa Ana Botanic Garden, coming in on soil from Ontario-Chino area. Comment
  RSA746991  Camissonia californica R. G. Swinney 2008-4-30 8709 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR193572  Camissonia campestris R. G. Swinney 1999-4-5 7050 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
  UCR280780  Camissonia campestris R. G. Swinney 2014-4-30 16278 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
  RSA587263  Camissonia campestris subsp. campestris Orlando Mistretta 1994-5-13 1214 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  UC1929643  Camissonia campestris subsp. campestris Scott D. White 2003-6-8 9512 Los Angeles W MOJAVE DESERT: Near Lake Los Angeles. North of Avenue O and east of 150th St. E. Comment
  RSA454041  Camissonia cheiranthifolia subsp. suffruticosa E. S. Spalding 1931-7-30 s.n. Los Angeles Manhattan Beach Comment
  RSA747464  Camissonia confusa R. G. Swinney 2008-4-4 8613 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA187456  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-7-12 18023 Los Angeles Near point at east end of Northwest harbor, San Clemente Island. 30 Comment
  RSA448973  Camissonia hirtella Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  RSA547429  Camissonia hirtella Tim S. Ross 1992-5-17 6355 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River; 166 degrees SSE, ca 370m distant from the mouth of Shoemaker Canyon 637 Comment
  UCR259955  Camissonia hirtella R. G. Swinney 2010-4-28 12427 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR78077  Camissonia hirtella David Charlton 1991-7-5 5504 Los Angeles San Gabriel Mtns., Lake Hughes Road, south of Castaic Lake, l mi. [NE] of Visitor Center 400 Comment
  UCR51994  Camissonia micrantha Steve Boyd, T. S. Elias 1987-4-14 2034 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  RSA585373  Camissonia pallida subsp. pallida Tim S. Ross 1991-4-27 4658 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  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
  SEINET2056592 Image available Camissonia strigulosa George K. Helmkamp, E. A. Helmkamp 1998-5-21 4040 Los Angeles Western Mojave Desert: Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1098 Comment
  SD38668  Camissoniopsis cheiranthifolia subsp. suffruticosa Edith A. Purer 1931-2-21 94 Los Angeles El Segundo; sand dunes. Comment
  SFV16024  Camissoniopsis cheiranthifolia subsp. suffruticosa A. M. Orcino, A. Sutton 1994-4-22 2 Los Angeles Los Angeles Basin Playa del Rey Beach at corner of Pacific Avenue and Convoy Street, 0.1 miles north of Culver Blvd. 1 Comment
  UC20436  Camissoniopsis cheiranthifolia subsp. suffruticosa J. H. Barber 1897-1-25 24 Los Angeles So. Santa Monica Comment
  UCSB45374  Camissoniopsis cheiranthifolia subsp. suffruticosa Connor, Mike 1977-6-4 Los Angeles Waterview St., Playa del Rey 30 Comment
  JEPS89948  Camissoniopsis confusa Dean W. Taylor 1992-5-1 12492 Los Angeles 1 mi. e. Georges Gap (on Angeles Crest Hwy.); San Gabriel Mts. 1219 Comment
  UCSB46605  Camissoniopsis hirtella Welton, Patti 1983-3-28 Los Angeles On southwest side of Mulholland Hwy, 2.2 miles north of its junction with Malibu Canyon Road, Santa Monica Mtns 487 Comment
  SFV16881  Camissoniopsis intermedia J. N. Hogue, B. Houck, B. Kanno 1997-6-18 84 .5 Los Angeles San Gabriel Mountains Gleason Canyon, near Mount Gleason. Roadside. 1700 Comment
  CAS-BOT-BC160535  Camissoniopsis lewisii Le Roy Abrams 1901-4-1 1192 Los Angeles Ballona Harbor Comment
  UC1930050  Camissoniopsis micrantha V. Soza, LeRoy Gross 2002-4-3 1371 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  SEINET3153544  Camphora officinalis G. B. Grant 1904-1 131 -A Los Angeles Pasadena Comment
  UCR124976  Cannabis sativa B. C. Templeton 1953-7-3 6818 Los Angeles Los Angeles Comment
  UC10288  Capsella bursa-pastoris Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  RSA658414  Capsella bursa-pastoris Patricia Kouo 1994-4-27 944135 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  UC855840  Cardamine californica I. W. Clokey, E. G. Anderson 1931-3-11 5322 Los Angeles San Gabriel Canyon Comment
  UC450932  Cardamine californica var. integrifolia Fay A. MacFadden 1931-3-7 67 E Los Angeles Bouquet Canyon Comment
  CAS-BOT-BC37902  Cardamine oligosperma Louis C. Wheeler 1932-3-20 506 Los Angeles San Dimas Canyon. San Gabriel Mountains. 518 Comment
  UCD150957  Carduus pycnocephalus subsp. pycnocephalus D. S. Park 2010-4-26 42 Los Angeles Ranch Santa Ana Botanic Garden 407 Comment
  CAS-BOT-BC17656  Carex alma George B. Grant 1904-6-17 6305 Los Angeles Arroyo Seco Canyon. Comment
  CAS-BOT-BC17679  Carex alma Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8111 Los Angeles Liebre Mountains. Tributaray of Clearwater Canyon: 847 Comment
  RSA0110582  Carex alma R. G. Swinney 2011-6-15 15198 A Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  UC1595356  Carex alma Tim Ross 1992-5-17 6348 Los Angeles 25 degrees nne, 885 m distant from East Fork Station (just ne of Heaton Flat, in small lateral canyon draining w to the SG River); San Gabriel Mountains, E Fork of the San Gabriel River 694 Comment
  SEINET7549361 Image available Carex alma Timothy S. Ross, J. Mark Porter 1995-5-4 8486 Los Angeles Liebre Mountains. Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle. 623 Comment
  SJSU12781  Carex diandra C. W. Sharsmith 1940-8-29 4228 Los Angeles near head of Eaton Canyon, San Gabriel Mts 1371 Comment
  UCR238634  Carex globosa Anuja Parikh, Nathan Gale 2010-6-23 3363 Los Angeles Transverse Range; San Gabriel Mtns., upper Shortcut Canyon, 1.3 km S of State Highway 2 (Angeles Crest Hwy), 1.5 km NNW of West Fork San Gabriel River 1290 Comment
  UC904996  Carex leavenworthii William C. Draper 1949-5-27 Los Angeles 510 Fairview Street Arcadia Comment
  CAS-BOT-BC32076  Carex multicaulis Robert F. Thorne 1971-6-26 40594 Los Angeles San Gabriel Mts. Angeles National Forest. On summit of Mt. Wilson. 1737 Comment
  UCR209853  Carex multicaulis R. G. Swinney 2008-7-25 9319 Los Angeles San Gabriel Mtns., Twin Peaks Saddle, between Waterman Mtn. and Twin Peaks, the southernmost of the two saddles 2000 Comment
  OBI70659  Carex pellita Steve Boyd, Lauren Raz 1997-5-28 9857 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 939 Comment
  CAS-BOT-BC117944  Carex schottii George Bernard Grant 1904-4-1 137 a Los Angeles Pasadena. Comment
  JEPS48989  Carex schottii Joseph Andorfer Ewan 1932-6-16 72814 Los Angeles Carex meadow about one mile below Clearlton Flats, Pine Mountain Region, Lower Traus Zone 1524 Comment
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Sep 30 2014
  RSA0022644  Carex schottii Justin M. Wood 2012-3-20 4635 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  UCR147046  Carex schottii L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mtns, Graveyard Canyon, second side canyon 610 Comment
  SEINET7574464 Image available Carex schottii Louis C. Wheeler 1967-5-24 9755 Los Angeles San Gabriel Mountains, Indian Canyon. 701 Comment
  UCR190727  Carex senta R. G. Swinney 1999-7-5 7497 Los Angeles San Gabriel Mtns., head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2037 Comment
  RSA225721  Carex senta Robert F. Thorne, A. C. Gibson 1971-5-22 39770 Los Angeles Angeles National Forest; Fish Canyon 396 Comment
  RSA304162  Carex senta N. Kellam 1974-4-20 s.n. Los Angeles Malibu Creek area, 0.25 mile SE of Tapia Park 274 Comment
  CAS-BOT-BC115972  Carex subfusca Ivan Murray Johnston 1917-8-23 1636 Los Angeles Pine Mt. 2438 Comment
  RSA733039  Carex subfusca R. G. Swinney 1999-8-16 7664 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope, 2445 Comment
  CAS-BOT-BC115556  Carex tumulicola Peter H. Raven 1962-4-10 17239 Los Angeles In bed of stream in gully to W side of Island ca 1.5 mi N of Thirst. San Clemente Island 457 Comment
  LA200129  Carpobrotus edulis Jonathan Sauer; 1975-4-26 5649 Los Angeles Santa Monica Mountains, Zuma Beach, W of Point Dume Comment
  RSA0011154  Carya L. M. Prince, Lucinda A. McDade, Norm Ellstrand, Pace Lubinsky, Andrea Kaus 2008-8-18 512 Los Angeles Bonelli Park, San Dimas 315 Comment
  POM8099  Castilleja affinis Fordyce Griffiths Jr. 1917-3-31 s.n. Los Angeles Santa Susana Mts, near Newhall Pass Comment
  UCR124624  Castilleja exserta I. W. Clokey, B. C. Templeton 1929-1 4479 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  LA201796  Castilleja foliolosa Arthur C. Gibson; 2003-5-30 4948 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, Nickerson Arroyo Sequit National Recreation Area, near Mulholland Hwy along nature trail. 304 Comment
  POM8129  Castilleja foliolosa Fordyce Griffiths Jr. 1917-4-3 s.n. Los Angeles Hills near Chatsworth Park. Comment
  POM8510  Castilleja foliolosa Philip A. Munz, R. D. Harwood 1920-5-15 3925 Los Angeles Sepulveda Canyon. 244 Comment
  UCR20065  Castilleja gleasoni T. P. Krantz 1979-6-21 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest. East slope of Mt. Gleason, immediately NE of microwave station on 3N17 1829 Comment
  SEINET6039940  Castilleja minor Louis Wheeler 1968-7-23 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA448774  Castilleja minor subsp. spiralis Geo. L. Moxley 1915-7-4 362 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA585403  Castilleja minor subsp. spiralis Tim S. Ross, Steve D. Boyd 1990-5-29 2714 Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  UC57004  Castilleja minor subsp. spiralis Ernest Braunton 1902-5-10 271 Los Angeles Rivera Comment
  RSA448770  Castilleja plagiotoma Bonnie C. Templeton 1932-6-19 4918 Los Angeles Ranger Station, Lone Pine canyon, Big Pine Park Comment
  RSA588971  Castilleja plagiotoma Orlando Mistretta 1994-6-8 1352 Los Angeles Little Rock Creek. un-named drainage draining N slope of Bare Mountain. 1159 Comment
  UCR182273  Castilleja plagiotoma R. G. Swinney 1998-4-14 6023 Los Angeles San Gabriel Mtns./Southern Mojave Desert, mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream 1476 Comment
  SD111602  Caulanthus amplexicaulis Wayne P. Armstrong 1982-6-26 Los Angeles Trail up south fork of Big Rock Creek; 2.0 km southwest of South Fork Campground. 1700 Comment
  RSA585337  Caulanthus cooperi Timothy S. Ross 1991-4-27 4646 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  UCR190395  Caulanthus cooperi R. G. Swinney 2001-4-18 7901 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR117551  Ceanothus A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23293 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 976 Comment
  RSA25762  Ceanothus arboreus Carl B. Wolf 1941-6-24 10890 Los Angeles About 2 mi. from Avalon on road to the isthmus. Comment
  UC79799  Ceanothus arboreus T. S. Brandegee May 1899 Los Angeles Santa Catalina Island Comment
  LA41985  Ceanothus crassifolius C. L. Hogue; 1954-4-11 sn Los Angeles Pacoima, Small side canyon off Pacoima Canyon 548 Comment
  LA52213  Ceanothus crassifolius A. M. Johnson; 1932-5-30 4109 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  SD90435  Ceanothus crassifolius Donald R. Bissing 1973-2-26 10 Los Angeles Evey Canyon, San Gabriel Mountains. In open area below chaparral on NE slope of canyon 0.9 mi from mouth of canyon. 829 Comment
  UC1595241  Ceanothus crassifolius Tim Ross and Peter Fritsch 1990-6-20 3591 Los Angeles near confluence of E and W Forks of San Gabriel River (mouth of Burro Canyon); San Gabriel Mts. Comment
  CAS-BOT-BC50151  Ceanothus integerrimus Le Roy Abrams; E. A. McGregor 1908-6-20 369 Los Angeles Liebre Mountain 1524 Comment
  CAS-BOT-BC50567  Ceanothus leucodermis Timothy S. Ross 1993-6-1 7348 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail between Chatry Flat and Hoegee Camp (on Winter Creek), 768 Comment
  CAS-BOT-BC50571  Ceanothus leucodermis Ernest C. Twisselmann 1959-6-2 5327 Los Angeles Summit of Liebre Mountain 1706 Comment
  RSA0105964  Ceanothus leucodermis R. G. Swinney 2011-7-8 15475 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak. 1207 Comment
  RSA399009  Ceanothus leucodermis Julian P. Donahue 1971-5-23 283 Los Angeles Cloudburst Canyon Comment
  RSA747460  Ceanothus leucodermis R. G. Swinney 2008-4-1 8600 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora. 671 Comment
  CAS-BOT-BC51432  Ceanothus megacarpus var. megacarpus Henry J. Thompson 1959-3-22 1867 Los Angeles 1 mile North of Tapia Park, Las Virgenes Road, North of Malibu Canyon 213 Comment
  LA52223  Ceanothus megacarpus var. megacarpus A. M. Johnson; Robert Fowler 1935-1-5 4537 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Sepulveda Canyon. 152 Comment
  CAS-BOT-BC50455  Ceanothus oliganthus Carl B. Wolf 1941-8-2 11134 Los Angeles Liebre Mts., Ridge Route Rd. 2.7 mi. S. Frenchman Flats Forest Service Camp 822 Comment
  RSA126752  Ceanothus oliganthus Peter H. Raven, H. J. Thompson 1959-4-3 13919 Los Angeles Saddle Peak 808 Comment
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Feb 10 2011
  SEINET12209936  Ceanothus oliganthus Unknown 1936-1 12658 Los Angeles Mt. Wilson Comment
  UC1070902  Ceanothus oliganthus var. oliganthus A. D. Gifford 1934-4-25 166 Los Angeles 1/2 mi ne Castro Pk.; Triunfo Pass quad. 762 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
  RSA733386  Ceanothus pauciflorus R. G. Swinney 2001-6-16 7984 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
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Aug 6 2013
  UCR217431  Ceanothus sorediatus R. G. Swinney 2009-3-10 10058 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  LA25934  Ceanothus spinosus Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  RSA127959  Ceanothus spinosus Peter H. Raven 1959-3-1 13825 Los Angeles Griffith Park, north of junction of Vista del Valle Drive with Hollywood Drive. 396 Comment
  SD144436  Ceanothus spinosus Scott D. White 1997-3-12 4763 Los Angeles Santa Monica Mts: NW of Zuma Beach. Encinal Cyn Rd between Pacific Coast Hwy and Mullholland Hwy. 299 Comment
  UC535518  Ceanothus spinosus Ira W. Clokey, B. Templeton Mar 1929 4438 Los Angeles Mandeville Canyon, Santa Monica Mountains 76 Comment
  UC575720  Ceanothus spinosus Lewis S. Rose 1934-12-31 34528 Los Angeles Griffith Park Los Angeles, Griffith Park Comment
  CATA1820  Cedrus deodara Benjamin E. Carter 2012-8-31 7021 Los Angeles Santa Catalina Island: Black Jack Campground. Grove of large, introduced trees in campground 459 Comment
  SEINET11736963  Cedrus deodara L. F. Allabach 1921-1 s.n. Los Angeles Pasadena Comment
  CDA19856  Centaurea melitensis anon. 2002-5-7 PDR 1253287 Los Angeles Southern California; Hwy 101 onramp eastbound to Calabasas Pkwy. 0 Comment
  POM199567  Centaurea melitensis Fordyce Grinnell Jr. 1903-6-27 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  OBI68585  Centaurea stoebe subsp. micranthos J. Hartman 2001-5-22 PDR 067680 Los Angeles Tanbark Flats, San Dimas Experimental forest, 3 mi N of Glendora, Angeles Natl forest, Los Angeles. T01N, R09W BM:S Comment
  UC1375328  Centaurium exaltatum Robert F. Thorne and C. W. Tilforth 1971-6-29 40694 Los Angeles 2.2 mi down Aliso Canyon junction with Angeles Forest Rd. (margins of Aliso Creek); San Gabriel Mts., Angeles National Forest, Aliso Creek 1036 Comment
  UC878384  Centaurium venustum Alice Eastwood May 27 1906-Jun 10 1906 34 Los Angeles Garvanza Comment
  UCR205275  Centranthus ruber R. G. Swinney 2008-4-30 8700 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Rd., 1.7 mi. NE of Glendora Mtn. Road 473 Comment
  RSA583059  Centranthus ruber Tim S. Ross, Janet Takara, S. Otte 1993-4-25 6975 Los Angeles Santa Catalina Island: E of Avalon along Mount Ada Road, and ca 345 m S of Abalone Point. 122 Comment
  SBBG13647  Centranthus ruber P. H. Raven 1962-5-20 17764 Los Angeles just E of Avalon on Pebbly Beach Rd Comment
  RSA644926  Centromadia pungens subsp. pungens R. E. Riefner s.n. Los Angeles Lancaster, SW of Rte 14 and Rte 138 int. Comment
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Dec 16 2012
  RSA725207  Centrostegia thurberi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -56 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  CAS-BOT-BC388297  Cerastium glomeratum Marcus E. Jones 1928-4-8 s.n. Los Angeles Johnson's Pasture, Claremont Comment
  RSA592831  Cerastium glomeratum L. C. Wheeler 1967-4-8 9176 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. Comment
  CATA1900  Cercocarpus betuloides Elizabeth Baniaga, Joseph Vickers, Ariella Markowitz, Leia Moyse, Makaela Ballard, Benjamin Carter 2012-8-3 Los Angeles Santa Catalina Island: City of Avalon, near base of Hermit Gulch Trail 121 Comment
  SFV21102  Cercocarpus betuloides L. Gross, I. E. Anderson, V. Soza 2000-6-6 s. n. Los Angeles Verdugo Mountains Southwest side of Verdugo Mountain, north of Chandler Fire Road (Verdugo Mountainway), northwest of La Tuna above Chandler Canyon, south of La Tuna Canyon. 427 Comment
  CDA993  Cercocarpus betuloides var. betuloides D. G. Kelch 1991-3-24 1339 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  RSA656567  Cercocarpus betuloides var. betuloides James Henrickson 2000-4-29 20731 Los Angeles Ca. 2 miles E of La Cresenta along Angeles Crest Highway ca. 2-5 miles NE of the 210 Freeway, in Angeles National Forest 1067 Comment
  UC750569  Cercocarpus betuloides var. betuloides Lewis S. Rose 1946-7-23 46243 Los Angeles above Hollywood (Mulholland Drive); Santa Monic Mountains, Mulholland Drive 365 Comment
  RSA449447  Cercocarpus ledifolius Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon. 1250 Comment
  RSA160869  Chaenactis fremontii Percy C. Everett 1962-4-30 24457 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  RSA714876  Chaenactis glabriuscula A. C. Sanders 2003-5-22 26817 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
  RSA0081201  Chaenactis glabriuscula var. glabriuscula Mitch Provance 2010-5-6 0510 -08 Los Angeles Tejon Ranch, c. 1.5 miles west of Neenach and 0.5 mi. SW of Hwy 138 crossing of Pacific Crest Trail. 960 Comment
  UCR130057  Chaenactis macrantha George K. Helmkamp, E. A. Helmkamp 1998-5-21 4053 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  OBI16832  Chaenactis santolinoides Rimo Bacigalupi, G. Thomas Robbins and L. R. Heckard 1953-6-14 4189 Los Angeles Upper slopes of So. Fork of Little rock Crk Cyn, higher N slopes of the San Gabriel Mts, Angeles Natl forest 1554 Comment
  RSA588147  Chaenactis stevioides Orlando Mistretta 1994-5-23 1226 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1341 Comment
  RSA611359  Chamaesyce albomarginata Lauren Raz, S. D. Boyd, Mike Kinney 1998-3-17 188 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road., Near 34 degrees 35' 05''N 118 degrees 10' 40''W 853 Comment
  RSA591662  Chamaesyce maculata L. C. Wheeler 1966-9-21 8895 Los Angeles San Gabriel Mountains, north fork San Gabriel Canyon, 1/4 mile downhill from intersection of main road to upper Bichota Canyon. 854 Comment
  RSA432392  Chamaesyce melanadenia L. C. Wheeler 1936-7-3 4211 Los Angeles Bailey Canyon 396 Comment
  RSA708765  Chamaesyce melanadenia Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1147 Los Angeles Upper slopes of McDonald Creek. 427 Comment
  RSA432398  Chamaesyce melanadenia Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon, Sierra Madre. Comment
  RSA70396  Chamaesyce serpillifolia F. W. Peirson 2039 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  UC399606  Cheilanthes covillei George B. Grant and Walter Wheeler 1904-5-17 6264 Los Angeles Mt Wilson 1524 Comment
  SEINET804423  Cheilanthes covillei L. L. Kiefer 1967-1 3567 Los Angeles San Gabriel Mountains, Devil Canyon, Boar Canyon, wild area, W. fork Boar Ck, trib of W. fork of San Gabriel R. ca. 31.5 miles upstream. 1066 Comment
  NY185211  Cheiranthus suffrutescens L. Abrams 1902-6-10 2511 Los Angeles Playa del Rey Comment
  UCR205542  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36908 Los Angeles San Gabriel Valley, South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  RSA423280  Chenopodium album Robert L. Dressler 1948-7-28 66 Los Angeles Baldwin Hills, rolling hills with grass cover. Comment
  RSA423284  Chenopodium album Gertrude Dunn 1930-8-9 s.n. Los Angeles Whittier. Comment
  SEINET5763713 Image available Chenopodium ambrosioides A. M. Johnson 1934-1 4534 Los Angeles mouth of Santa Monica Canyon; Santa Monica Comment
  RSA713806  Chenopodium botrys Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1364 Los Angeles Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  RSA606163  Chenopodium botrys L. C. Wheeler 1969-11-15 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, ca. 75 m upstream from Canyon Crest Road. Comment
  RSA624125  Chenopodium botrys L. C. Wheeler 1936-7-4 4213 Los Angeles 1 mile northeast of Glendora 304 Comment
  CATA2988  Chenopodium californicum Peter J. Dixon 2015-2-25 020 Los Angeles Santa Catalina Island: 1 mile West of Salta Verde Point. East of Wild Boar Gully Exclosure (Black Ridge). 174 Comment
  SDSU5584  Chenopodium californicum R. M. Beauchamp 1967-1-28 134 Los Angeles 1/2 mile southeast of Eel Point. San Clemente Island. Comment
  SEINET4075882  Chenopodium californicum R. Moran 1941-1 578 Los Angeles Middle Ranch, south side of San Clemente Island. 500 Comment
  RSA0081480  Chenopodium desiccatum Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8900 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UC63985  Chenopodium fremontii Geo. R. Hall Sept. 1904 Los Angeles Swartout Canyon San Antonio Mts. 2133 Comment
  UCR190917  Chenopodium fremontii R. G. Swinney 1998-7-10 6364 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  UC56058  Chenopodium murale J. H. Barber 1897-5-12 152 Los Angeles Santa Monica Forestry Station Comment
  CDA1887  Chloris gayana Garrettson 1933-10-13 45 Los Angeles L.A. County. 0 Comment
  UCD99798  Chorizanthe parryi var. fernandina Mark A. Elvin; Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa'. 366 Comment
  RSA65242  Chorizanthe procumbens F. W. Peirson 1920-4-26 4212 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  CAS-BOT-BC244652  Chorizanthe staticoides G. B. Grant 1904-6-17 s.n. Los Angeles Altadena Comment
  CAS-BOT-BC244663  Chorizanthe staticoides Alice Eastwood 1906-5-27 245 Los Angeles Roscoe Comment
  CAS-BOT-BC244721  Chorizanthe staticoides A. C. Sanders; Mark Elvin; et al. 2003-4-16 26045 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtsn. theme park 396 Comment
  LA91492  Chorizanthe staticoides Bruce Douglas Clayton; Greg Shaw 1972-4-15 93 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak 586 Comment
  RSA17081  Chorizanthe staticoides Carl B. Wolf 1936-5-26 7829 Los Angeles Santa Clara Valley, 1 mi. west of Castaic Junction. 335 Comment
  UCR124613  Chorizanthe staticoides I. W. Clokey, B. C. Templeton 1929-1 4494 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR85184  Chorizanthe staticoides Robert Hamilton 1995-5-9 s.n. Los Angeles Pole Canyon above Soledad River near Canyon Country 610 Comment
  UCR139146  Chorizanthe watsonii L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mtns./Mojave Desert, [0.5 mi. SE of Valerymo] 1159 Comment
  UCR58978  Chrysanthemum coronarium C. F. Smith 1958-3-30 5692 Los Angeles Vacant lots & sandy waste places about Manhattan Beach Comment
  RSA601157  Chrysothamnus nauseosus subsp. hololeucus L. C. Wheeler 1966-10-22 9042 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  POM352120  Cichorium intybus Edwin Kline 1924-7-5 s.n. Los Angeles Near Inglewood. Comment
  SBBG65952  Cirsium mohavense R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  SFV3833  Cirsium occidentale var. californicum C. Gasser 1956-5-27 s. n. Los Angeles Santa Monica Mountains Beverly Glen Blvd. near Deer Vale Drive. Comment
  POM352200  Cirsium occidentale var. occidentale Samuel R. Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon 366 Comment
  UCR138533  Cirsium vulgare L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 823 Comment
  CAS-BOT-BC438748  Cistanthe monandra A. C. Sanders; D. Malueg; K. D. Jones 1998-6-22 21998 Los Angeles San Gabriel Mtns.: Soledad Pass area at N foot, ca. 5 mi. SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation. 1000 Comment
  RSA010941  Cistanthe monandra Fay A. MacFadden 1930-4-30 1628 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA570166  Cistanthe monandra Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-29 4817 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna 1119 Comment
  RSA651386  Cistus ladanifer T. Strid 1972-4-29 s.n. Los Angeles L.A.S.Co.A. Fire Plot, Los Pinetos Guard Sta. 1097 Comment
  UCR204432  Clarkia R. G. Swinney 2003-5-12 8198 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  RSA658406  Clarkia R. Aguayo 1992-5-22 1 Los Angeles 13.5 mi. north of Interstate 210 in Azusa on Sate Hwy. 39 to gated road along West Fk. San Gabriel Riv. 0.25 mi. west of gate, a roadside. 884 Comment
  RSA162763  Clarkia amoena J. D. Olmsted 1958-5-11 124 Los Angeles Claremont, drainage along San Antonio Creek on Pomona College Campus. 366 Comment
  CAS-BOT-BC172432  Clarkia bottae Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Near Los Angeles Comment
  RSA30665  Clarkia bottae Louis C. Wheeler 1932-6-18 832 Los Angeles San Dimas Canyon. 427 Comment
  UC107831  Clarkia bottae LeRoy Abrams 1902-6-16 2553 Los Angeles Sepulveda Canyon Santa Monica Mountains Comment
  CAS-BOT-BC172249  Clarkia cylindrica subsp. cylindrica Marcus E. Jones 1927-4-24 s.n. Los Angeles North of Lebec Comment
  RSA73342  Clarkia dudleyana F. W. Peirson 1919-6-7 466 Los Angeles Cow Canyon divide, San Antonio Creek Region 1372 Comment
  UC930754  Clarkia dudleyana C. F. Baker May 1904 4714 Los Angeles hills near Claremont Comment
  CAS-BOT-BC172006  Clarkia epilobioides John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  CAS-BOT-BC163711  Clarkia purpurea subsp. quadrivulnera R. J. Dobbs 1924-6-5 s.n. Los Angeles Swetzers [Switzer] Comment
  UCR199982  Clarkia purpurea subsp. quadrivulnera Valerie Soza, L. Lubinsky 2001-5-16 1225 Los Angeles Transverse Ranges; Verdugo Mountains, Northern San Rafael Hills, Liz's Loop (Edison Road) to Cherry Canyon Fire Road 442 Comment
  SEINET4145651  Clarkia purpurea subsp. quadrivulnera G. Grant 1904-5-26 525 -6268 Los Angeles Pasedena Comment
  RSA642277  Clarkia rhomboidea Orlando Mistretta 1995-6-23 1844 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1631 Comment
  CAS-BOT-BC165507  Clarkia unguiculata Peter H. Raven; H. L. Wedberg 1957-6-15 10916 Los Angeles Latigo Canyon 3.0 miles n. of Newton Canyon Road, Santa Monica Mts. Comment
  RSA0088004  Clarkia unguiculata R. G. Swinney 2010-6-21 13280 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
  UCR205930  Claytonia parviflora R. G. Swinney 2008-5-5 8772 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  RSA784356  Claytonia perfoliata Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 4 Los Angeles road 7N23 turn from road 7N08 Comment
  CATA969  Claytonia perfoliata subsp. mexicana Mark L. Hoefs 1994-5-21 1837 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  CAS-BOT-BC439963  Claytonia perfoliata subsp. mexicana John I. Carlson 1918-4-24 s.n. Los Angeles Country adjacent to Los Angeles. Griffith Park Comment
  RSA713810  Clematis lasiantha Valerie L. Soza, Miriam Sidibeh 2003-3-26 1622 Los Angeles Western San Rafael Hills: Near junction of Ridge Motorway and Gladys Mtwy, off junction of Camino San Rafael and Flintridge Dr, SSW of Flint Peak. 564 Comment
  UC1125910  Clematis lasiantha Jerome S. Horton 1936-6-19 369 Los Angeles road to Bell Canyon Dam; Pomona Quad., Bell Watershed Comment
  POM122772  Clematis ligusticifolia Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley. Comment
  RSA595416  Clematis ligusticifolia Mark Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2355 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 6 Comment
  RSA729848  Clematis ligusticifolia R. G. Swinney 1999-6-21 7353 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  SBBG13508  Clematis ligusticifolia E. R. Blakley 1962-10-5 5450 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  RSA607699  Cleome isomeris Scott D. White 1997-11-5 6016 Los Angeles Mouth of Trancas Canyon, N of Pacific Coast Hwy (= CA Hwy 1). 8 Comment
  RSA0091667  Coldenia nuttallii Bonnie C. Templeton 1971-5-16 11613 Los Angeles About 7 mi. n.e. of Palmdale. 815 Comment
  RSA0121222  Collinsia bicolor E. A. Purer, Freda Detmers 1931-3-15 s.n. Los Angeles Palos Verdes Hills. Comment
  POM230698  Collinsia heterophylla I. W. Clokey 1935-5-9 6872 Los Angeles San Dimas Canyon Comment
  UCR184115  Collinsia heterophylla A. C. Sanders, T. B. Salvato 2007-4-24 33505 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  LA94806  Comarostaphylis diversifolia subsp. planifolia Anonymous; 1972-8-3 sn Los Angeles Santa Monica Mountains, Rustic Canyon, ca 0.5 mi S of Camp Josepho 182 Comment
  UCR219812  Commelina benghalensis Lorraine Weller 2009-7-29 290709- 09 Los Angeles Union Avenue/Cesar Chavez Community Garden, 1136 South Union Ave., Westlake, Los Angeles 70 Comment
  OBI6210  Condalia globosa Shirley Vaughan 1974-5-11 10 Los Angeles Lancaster, at 10 st E 718 Comment
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Aug 7 2017
  UCR271789  Conium maculatum R. G. Swinney 2011-6-23 15305 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  UC1118205  Conyza canadensis J. Horton 1936-8-26 394 Los Angeles Tanbark San Dimas National Forest, Pomona Quad., Tanbark 792 Comment
  UCR209428  Cordylanthus nevinii R. G. Swinney 2008-9-12 9448 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  UCR209925  Cordylanthus nevinii R. G. Swinney 2008-7-15 9205 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA537701  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-30 2852 Los Angeles Oak Flats Camground north of Whitaker summit, 10 air miles northwest of Castair. 640 Comment
  RSA276117  Coreopsis californica J. Sauer 1973-4-13 5417 Los Angeles Carpeting sand between Larrea bushes, visible from miles awy. Lovejoy Buttes N of Pearblossom Comment
  SEINET807418  Coreopsis californica Rimo Bacigalupi 1955-1 4818 Los Angeles 1 mile northwest of Edwards Air Force Base (Muroc Lake) 685 Comment
  CAS-BOT-BC105689  Corethrogyne filaginifolia W. R. O 73 -656 Los Angeles Small canyon along Rd. S.E. of Aedionda Lagoon between Palomar Airport and El Camino Real Comment
  SD247320  Corethrogyne filaginifolia R. G. Swinney 2009-11-16 11622 Los Angeles San Gabriel Mts/Mojave Desert:20 m E (up canyon) from E edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mile W of junction of Mt. Emma Road and Angeles Forest Hwy. 1121 Comment
  UC195537  Corethrogyne filaginifolia Moxley 1916-9-4 514 Los Angeles Eaton Canyon San Gabriel Mts. Comment
  UCR273163  Corethrogyne filaginifolia R. G. Swinney 2011-10-18 15847 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
  CAS-BOT-BC105744  Corethrogyne filaginifolia Peter H. Raven; Henry J. Thompson 1959-9-18 14431 Los Angeles Along railroad tracks, Santa Monica Boulevard enar Bevely Glen Boulevard, West Los Angeles - Santa Monica Mountains 76 Comment
  POM356112  Corethrogyne filaginifolia var. filaginifolia Thekla Mohr 1915-1 3042 Los Angeles North Fork, San Gabriel River. Comment
  POM356118  Corethrogyne filaginifolia var. filaginifolia B. C. Templeton 1932-8-25 5079 Los Angeles San Gabriel Mountains. 2036 Comment
  RSA114700  Cornus sericea subsp. sericea F. W. Peirson 1922-7-5 3186 Los Angeles Mescal Creek, Swartout Valley region, westward from Big Pines 1981 Comment
  CATA3562  Cortaderia selloana Niall Ogburn, Benjamin J. Dion, Kristy Lanz 2018-5-22 001 Los Angeles Santa Catalina Island: Channel side; in drainage in Parsons watershed, approximately 90m south of West End Rd 77 Comment
  RSA592190  Cotula australis L. C. Wheeler 1967-4-8 9175 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. Comment
  CAS-BOT-BC291375  Cotula coronopifolia L. Street; G. Williams 1919-4-12 2500 Los Angeles Puente Comment
  LA15074  Crassula connata Peter H. Raven; Henry J. Thompson 15074 Los Angeles Santa Monica Mountains, Mt. Hollywood 335 Comment
  LA47627  Crassula connata Henry J. Thompson; 1960-3-13 3019 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  RSA600447  Crassula connata L. C. Wheeler 1968-3-15 s.n. Los Angeles San Gabriel Mountains: Bichota Mesa, North Fork San Gabriel River. 945 Comment
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Apr 12 2010
  RSA674882  Crassula connata LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 726 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 307 Comment
  RSA640018  Crassula connata L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: Ridge between Ham and Sycamore Canyon. 861 Comment
  RSA84910  Crassula connata F. W. Peirson 1920-4-26 2112 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  RSA187692  Cressa truxillensis R. F. Thorne 1966-9-14 36665 Los Angeles Grassy weedy, sunny flat area behind dunes and salina at Little Harbor. 5 Comment
  SD21280  Crossosoma californicum Norman E. Bilderback 1938-4-14 Los Angeles Catalina Harbor Comment
  RSA70560  Croton californicus F. W. Peirson 1918-10-17 276 Los Angeles foot of Pacoima Canyon 457 Comment
  UC1130368  Croton californicus A. D. Gifford 1934-5-15 244 Los Angeles Dume Point Triunfo Pass Quadrangle (on Plot #100) Comment
  UCSB7610  Croton californicus Wedberg, H. 1958-5-3 Los Angeles 1/2 mi. up Baldy Rd. from Padua Hills Rd. in San Antonio Canyon wash Comment
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Apr 11 2014
  UCR240004  Crypsis schoenoides R. G. Swinney 2009-11-9 11593 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA0106813  Crypsis vaginiflora Steven A. Junak 1999-7-16 SCa- 1047 Los Angeles Santa Catalina Island. Little Springs Reservoir 128 Comment
  UCR187016  Cryptantha A. C. Sanders 2006-4-25 32165 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA641233  Cryptantha barbigera R. F. Thorne 1974-4-9 44706 Los Angeles Bob's Gap in Holocomb Ridge. 1219 Comment
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Feb 7 2008
  RSA756949  Cryptantha barbigera Orlando Mistretta, Christine Mistretta 2008-4-16 2474 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
  UCR89456  Cryptantha circumscissa T. S. Ross, Steve Boyd, L. Arnseth 1991-4-30 4967 Los Angeles San Gabriel Mtns., Soledad Canyon Wash, c. one-half mi. east of Acton. 829 Comment
  JEPS127385  Cryptantha clevelandii Robert Steers 2004-12-23 Los Angeles Palos Verdes Peninsula. Rancho Palos Verdes. Comment
  RSA0119542  Cryptantha decipiens R. G. Swinney 2014-4-30 16260 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA599787  Cryptantha intermedia Steve Boyd, Lauren Raz 1997-3-25 9280 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  SBBG21981  Cryptantha intermedia P. H. Raven, R. B. Thorne 1964-5-7 19035 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mtns Comment
  UC1178555  Cryptantha intermedia Peter Kamb 1948-5-6 934 Los Angeles above Little Rock; San Gabriel Mts. 975 Comment
  RSA527776  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4339 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  SEINET12280824  Cryptantha intermedia Unknown 1936-1 12712 Los Angeles Santa Monica Mts Comment
  UCR127092  Cryptantha micrantha var. lepida Mark A. Elvin, Cathleen Weigand 2003-4-7 2451 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  RSA0092501  Cryptantha muricata R. G. Swinney 2011-6-22 15246 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy. 1780 Comment
  UCR141104  Cryptantha muricata R. F. Thorne 1971-4-25 41333 Los Angeles San Gabriel Mountains, Johnson's Pasture north of Claremont 610 Comment
  RSA0089514  Cryptantha muricata var. denticulata R. G. Swinney 2011-7-21 15527 Los Angeles Strawberry Peak summit 1860 Comment
  UCR270032  Cryptantha muricata var. denticulata R. G. Swinney 2011-3-22 14175 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  RSA0079312  Cryptantha muricata var. jonesii Jack Rempel 1936-5-1 208 Los Angeles San Antonio Canyon. Comment
  RSA0079461  Cryptantha muricata var. jonesii F. W. Peirson 1925-4-23 5794 Los Angeles Burned hillslope at forks of San Gabriel River. 533 Comment
  UCR162756  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1990-5-17 2582 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District 1613 Comment
  UC61112  Cryptantha nevadensis J. Burtt Davy May 9 1896-May 24 1896 2291 Los Angeles Palmdale to Little Rock; Antelope Valley Comment
  UC61122  Cryptantha nevadensis J. Burtt Davy 1896-5-17 2306 Los Angeles Llano Verde Antelope Valley Comment
  RSA0113435  Cryptantha nevadensis var. rigida LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7538 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  UCR95507  Cryptantha nevadensis var. rigida L. C. Wheeler 1967-5-8 9337 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 396 Comment
  RSA709950  Cryptantha oxygona LeRoy Gross 2005-4-28 2161 -c 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
  RSA709954  Cryptantha oxygona LeRoy Gross 2005-4-28 2161 -e 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
  SBBG127082  Cryptantha oxygona A. Parikh, N. Gale 2011-6-22 3494 Los Angeles NW of Iron Mtn, 1.9 km E of Angeles Forest Hwy, 0.9 km S of Monte Cristo Crk; San Gabriel Mtns 1405 Comment
  UCR194009A  Cryptantha oxygona R. G. Swinney 1999-6-5 7253 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR89475  Cryptantha oxygona T. S. Ross, Steve Boyd, L. Arnseth 1991-4-29 4797 Los Angeles San Gabriel Mtns., Parker Mtn and ridge to the SW: SW of Acton and NNE of Ravenna 1259 Comment
  RSA0113908  Cryptantha pterocarya var. pterocarya LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7551 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  UCR220268  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-4-24 10496 B Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA0079033  Cryptantha pterocarya var. pterocarya W. Wisura, E. Roeder 1992-4-21 4700 Los Angeles West Mojave: Mountain Brook Ranch near Valyermo. Comment
  RSA0092526  Cryptantha simulans R. G. Swinney 2011-6-22 15245 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy. 1780 Comment
  SEINET10896302  Cryptomeria japonica David B. Dunn 1957-1 Dunn UMO 41724 Los Angeles Collected from a street tree in Los Angeles, Calif. Tree 50 ft tall. Comment
  CHSC95699  Cuscuta californica Joseph Marlowe Keefe 2001-1-19 30971 Los Angeles Verdugo Mountains. Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, California, 91040. 384 Comment
  LA210102  Cuscuta californica Carl Epling; 1926-2-21 8741 Los Angeles Santa Monica Mountains, Griffith Park Comment
  OBI74753  Cuscuta californica K. Dobry 1991-6-24 d 773 Los Angeles At Soka univ. Santa Monica MTs. Las Virgenes and Mulholland hwy Comment
  RSA724716  Cuscuta californica K. Dobry 1991-5-22 d- 659 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UCSB4988  Cuscuta californica Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  RSA409682  Cuscuta californica Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon, Sierra Madre. Comment
  RSA409688  Cuscuta californica Richard Arnold 1984-8-10 1031 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2 Comment
  LA212374  Cuscuta obtusiflora var. glandulosa Louis C. Wheeler; 1932-8-28 1293 Los Angeles 1 mile SW La Verne. 274 Comment
  RSA661187  Cuscuta subinclusa LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 395 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  SEINET891439  Cuscuta subinclusa Lewis S. Rose 1946-1 46245 Los Angeles Santa Monica Mountains, Mulholland Drive above Hollywood. Comment
  RSA409720  Cuscuta subinclusa Ora M. Clark 1984-12-23 1384 Los Angeles Hills N. San Pedro Comment
  RSA409724  Cuscuta subinclusa Freda Detmers 1931-11-11 14184 Los Angeles Griffith Park Comment
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May 14 2007
  UCD169557  Cylindropuntia californica var. parkeri R. G. Swinney 2009-7-1 11297 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 300 m north of Puente Largo railway bridge, west side of channel. 184 Comment
  UCR239968  Cylindropuntia echinocarpa R. G. Swinney 2009-11-13 11615 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  SBBG120049  Cynodon transvaalensis A. C. Sanders 2003-5-22 26810 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Freeway (which bisects pit) and N of Santa Fe RR, E of San Gabriel River channel 171 Comment
  UCR227714  Cynosurus echinatus Orlando Mistretta, Christine Mistretta 2010-6-25 5352 Los Angeles San Gabriel Mountains, Forest Route 2N24 near head of north fork of Santa Anita Canyon along SCE transmission line corridor 1215 Comment
  CATA1352  Cyperus eragrostis Mark L. Hoefs, Robert F. Thorne 1995-7-26 2459 Los Angeles Santa Catalina Island: Middle Canyon in stream bed just below reservoir 169 Comment
  RSA365073  Cyperus eragrostis F. R. Fosberg 1930-7-3 S- 3031 Los Angeles El Monte. (Lexington Wash, San Gabriel River) 80 Comment
  SFV22011  Cyperus involucratus V. Soza, L. Gross, R. Kopelov 2000-3-30 662 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Northeastern side of La Tuna Canyon, north of 210 Freeway and La Tuna Canyon Road. South-southwest of Haines Canyon Ave. and Elmhurst Drive junction, Haines Canyon Park. Rocky canyon bottom in stream. 549 Comment
  UCR151019  Cyperus involucratus Scott D. White 1997-5-7 5062 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  UCR224027  Cyperus involucratus Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11687 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA586472  Datura wrightii Orlando Mistretta 1995-6-21 1821 Los Angeles San Gabriel Mountains: Emma section, lower Little Rock Creek drainage. Along road near Guard Station. 960 Comment
  RSA421873  Datura wrightii Robert Gustafson 1980-7-9 1806 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA599873  Daucus pusillus Steve Boyd, Lauren Raz 1997-5-6 9718 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
  SBBG13263  Daucus pusillus M. A. Piehl 1962-6-10 62383 Los Angeles E of Thirst 304 Comment
  UC1122946  Daucus pusillus Jerome S. Horton 1937-6-29 480 Los Angeles Pomona Quad., Tanbark Creek Comment
  RSA248845  Daucus pusillus R. F. Thorne 1973-4-11 42862 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA80399  Daucus pusillus F. W. Peirson 1920-5-3 2311 Los Angeles Little Tujunga Wash, shortly above the junction with main stream, San Fernando Valley. 335 Comment
  CAS-BOT-BC130919  Deinandra clementina E. R. Blakley 1962-6-9 5189 Los Angeles San Clemente Island, China Point 6 Comment
  CAS-BOT-BC299280  Deinandra fasciculata Geo. B. Grant 1906-9-1 7165 Los Angeles Catalina Island Comment
  CAS-BOT-BC299298  Deinandra fasciculata A. C. Sanders; Dan S. Cooper 2010-8-5 38575 Los Angeles Madrona Marsh Preserve, Torrance, 7.5' Q., South Coast 24 Comment
  LA200232  Deinandra fasciculata Norman A. Cole; May 1964 407 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, at junction of Cornell Rd and Lake Vista Rd 213 Comment
  UC1478699  Deinandra fasciculata Larry DeBuhr 1977-4-16 2658 Los Angeles coastal bluffs around Little and Shark Harbours; Santa Catalina Island Comment
  OBI70278  Deinandra fasciculata Louis C. Wheeler 1967-5-23 9664 Los Angeles 1 mi E SE honby T4N R15W SE1/4 NE 1/4 sec 30 472 Comment
  UCR256556  Delphinium cardinale Anuja Parikh, Nathan Gale 2011-7-12 3554 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 2.6 km west of State Hwy 39, San Gabriel Canyon Road 523 Comment
  UCR3752  Delphinium cardinale Frank C. Vasek 1963-8-16 630816- 03 Los Angeles San Gabriel Mtns., Coldwater Canyon, 1 mi. below end of canyon at Widman Ranch gate Comment
  RSA647955  Delphinium cardinale Michelle Manolovitz, Brian Manolovitz 1992-5-19 33 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 0.5 miles northeast of park office. Comment
  UCR205897  Delphinium parishii R. G. Swinney 2008-5-8 8783 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
  UCR95447  Delphinium parishii L. C. Wheeler 1967-5-12 9419 Los Angeles San Gabriel Mtns., Hunt Canyon, 3 mi. east of Vincent 1067 Comment
  CAS-BOT-BC7970  Delphinium parishii subsp. parishii John Thomas Howell 1930-5-12 4888 Los Angeles 2 miles north of Palmdale, Mojave Desert Comment
  POM155574  Delphinium parryi M. B. Dunkle 1928-4-11 1848 Los Angeles Emerald Bay, Santa Catalina Island. 30 Comment
  CAS-BOT-BC116267  Delphinium parryi subsp. parryi John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  CAS-BOT-BC116286  Delphinium parryi subsp. parryi J. Ewan 1931-5-16 4216 Los Angeles West Fork Garapito Creek, Santa Monica Mts. Comment
  CAS-BOT-BC121544  Delphinium patens subsp. hepaticoideum Alfred James McClatchie 1893-6-11 127 Los Angeles Pasadena Comment
  RSA0030019  Delphinium patens subsp. montanum Steve Boyd, T. S. Elias 1987-4-14 2053 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  RSA0073285  Delphinium patens subsp. montanum Bonnie C. Templeton 1932-5-31 4852 Los Angeles Vincent Gulch, below Big Pines Camp. Comment
  SD85160  Dendromecon harfordii E. R. Blakley 1962-10-3 5387 Los Angeles Santa Catalina Island; face of rocky road-cut, start of road to Whites Landing, east side of Blackjack Mountain. 410 Comment
  LA200716  Dendromecon rigida Virginia Mars; 1951-3-10 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UC1349040  Dendromecon rigida Robert F. Thorne and P. Everett 1965-5-10 34476 Los Angeles in gully on w side of mountain Santa Catalina Island, Black Jack Mt. 487 Comment
  CATA867  Descurainia pinnata Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1676 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA730312  Dicentra chrysantha R. G. Swinney 1998-9-4 6913 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA0070367  Dichelostemma capitatum R. G. Swinney 2010-4-1 12142 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., (below burn area of 2009, Station Fire), below Forest Service boundary, from wash bottom to 150 m. to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA653468  Dichelostemma capitatum subsp. capitatum Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 751 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 426 Comment
  SFV20839  Dichelostemma capitatum subsp. capitatum L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 711 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. On west descending ridge down into Brand Canyon on east side of Brand Canyon. 576 Comment
  UCR281426  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-5-27 16667 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
  SEINET13693637  Diplacus aurantiacus G. B. Grant 1904-5-24 286 Los Angeles Altadena. Comment
  SD104301  Diplacus fremontii Darley Howe 1978-4-30 Los Angeles About 2 miles northwest of Devil's Punch Bowl 1431 Comment
  CAS-BOT-BC153186  Diplacus johnstonii I. M. Johnston 1917-6-20 1486 Los Angeles Baldy Lookout of U.S.F.S. 2133 Comment
  CAS-BOT-BC150865  Diplacus puniceus M. B. Dunkle 1928-11-25 2034 Los Angeles Hamilton Canyon 15 Comment
  LA211195  Dipsacus fullonum Tarja Sagar; 2010-12-14 s.n. Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park Comment
  SBBG31026  Distichlis spicata R. F. Thorne with P. C. Everett 1965-5-11 Los Angeles behind Cottonwood Dam in Cottonwood Cyn 45 Comment
  UC10265  Dithyrea californica J. B. Davy May 1896 2277 Los Angeles Lancaster Comment
  UC56907  Dithyrea maritima Ernest Braunton 1902-5-25 285 Los Angeles Hermosa Beach Comment
  LA52240  Dodecatheon clevelandii Sharon Johnston; 1957-3-13 Los Angeles Westwood, UCLA campus. Faculty Hill 182 Comment
  SFV2696  Dodecatheon clevelandii C. Gasser 1956-3-2 s. n. Los Angeles Santa Monica Mountains 1 mile from Highway 101 on Malibu Canyon Road. 366 Comment
  RSA592470  Dodecatheon clevelandii subsp. insulare Mark Hoefs 1973-3-13 58 Los Angeles Santa Catalina Island. Upper Avalon Canyon, by water tank above Wrigley Memorial. 290 Comment
  SBBG38688  Dodecatheon clevelandii subsp. insulare R. Moran 1941-2-16 571 Los Angeles Middle Ranch 500 Comment
  UCR272862  Draba corrugata R. G. Swinney 2011-8-5 15614 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA133841  Drymocallis glandulosa var. glandulosa H. J. Thompson 1959-5-31 2054 Los Angeles East of junction of Latigo Canyon Road with Mulholland Highway. 518 Comment
  CAS-BOT-BC527329  Drymocallis glandulosa var. reflexa I. M. Johnston 1918-7-6 2068 Los Angeles Prairie Fork San Gabriel River, San Antonio Mountains 1981 Comment
  CATA820  Dryopteris arguta Mark L. Hoefs 1991-6-17 1397 Los Angeles Santa Catalina Island: Near middle of Bulrush Canyon 368 Comment
  RSA482004  Dryopteris arguta Richard Noyes 1988-5-12 565 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  SEINET9625423 Image available Dryopteris arguta M. D. Windham 1998-4-1 98 -111 Los Angeles Along Arroyo Sequit in the Santa Monica Mountains ca. 3.56 km SE of the summit (1965) of Clarks Peak. T1S, R20W, Sec. 24. 72 Comment
  POM120346  Dryopteris arguta George B. Grant 1903-02 s.n. Los Angeles Covina, Cal. Comment
  UC42143  Dryopteris arguta O. D. Allen 1884-12-24 2 Los Angeles near Pasadena (Arroyo Seco) Comment
  UCSB8255  Dryopteris arguta Crum, Charles 1958-7-19 Los Angeles Topanga Canyon, near Los Angeles. Comment
  RSA670389  Dudleya cymosa B. C. Templeton 1947-5-21 6278 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  SD90481  Dudleya hassei Robert F. Thorne 1970-3-6 39399 Los Angeles Santa Catalina Island; Indian Rock in Emerald Bay. 14 Comment
  RSA603695  Dudleya lanceolata L. C. Wheeler 1932-6-12 824 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  UC56437  Dudleya lanceolata H. P. Chandler 1909-6-3 2007 Los Angeles near Cahuenga Peak (Brush Canyon) Comment
  SD207024  Dudleya lurida Reid Moran 1944-6-15 1894 Los Angeles Triunfo Canyon; Sierra Santa Monica. On bare rock at loop in road. 359 Comment
  RSA397821  Dudleya pulverulenta subsp. pulverulenta L. C. Wheeler 1936-4-25 3443 Los Angeles Placerita Canyon 457 Comment
  RSA762653  Dysphania ambrosioides R. G. Swinney 2008-11-30 9882 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  SEINET3245935  Dysphania botrys R. G. Swinney 2009-1 11495 Los Angeles Transverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd.(Mescal Creek 7.5') 2060 Comment
  HSC9649  Echinochloa crus-galli John Warner Hosking 1964-10-23 Los Angeles Foster A. Begg School, Manhattan Beach. Comment
  RSA374949  Echinochloa crus-galli S. Granger 1985-9-18 LASCA- 840 Los Angeles Glendora. Comment
  RSA596509  Eclipta prostrata L. C. Wheeler 1966-11-23 9148 Los Angeles Cogswell Reservoir, West Fork San Gabriel River. Comment
  UCR51522  Ehrharta erecta A. C. Sanders 1987-12-4 7571 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  UCR223389  Eleocharis R. G. Swinney 2009-5-27 10873 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA0045415  Eleocharis Wendy Boes, Andrew Wheeler 2009-7-13 2009 -033 Los Angeles San Grabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  UCR214610  Eleocharis macrostachya A. C. Sanders, Dan S. Cooper 2010-3-12 37350 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CATA834  Elymus condensatus Mark L. Hoefs 1991-6-26 1433 Los Angeles Santa Catalina Island: Bulrush Canyon 335 Comment
  CAS-BOT-BC227496  Elymus elymoides LeRoy Abrams 1902-6-29 2597 Los Angeles Mt. Wilson Comment
  POM359920  Elymus elymoides J. G. Smith 1935-4-19 s.n. Los Angeles 1 mile west of Palmdale, Mojave Desert. Comment
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Oct 21 2015
  UCR258856  Elymus elymoides R. G. Swinney 2010-5-19 12810 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
  POM359924  Elymus elymoides subsp. elymoides Geo. L. Moxley 1915-7-21 406 Los Angeles Barley Flats, San Gabriel Mountains. Comment
  RSA709691  Elymus elymoides subsp. elymoides LeRoy Gross 2005-4-28 2180 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. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  SEINET4134804  Elymus elymoides subsp. elymoides Timothy S. Ross, Steve Boyd 1994-6-23 8029 Los Angeles Sawmill Mountain: 5514 ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle.; 0 1664 Comment
  HSC24481  Elymus elymoides var. elymoides R. F. Thorne, M. Z. Thorne 1969-7-9 38502 Los Angeles Sana Gabriel Mountains, Angeles National Forest: summit of Table Mt., elev. c. 7000 ft. 2134 Comment
  RSA127890  Elymus glaucus P. H. Raven, H. J. Thompson 1959-5-5 14160 Los Angeles Santa Monica Mountains. 4.9 miles west of Tapia Park on Mulholland Drive. 320 Comment
  RSA733579  Elymus glaucus R. G. Swinney 1998-7-29 6552 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  CAS-BOT-BC206752  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-20 2207 Los Angeles South side San Jacinto Mountains. 1645 Comment
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Oct 10 2020
  CAS-BOT-BC206763  Elymus glaucus subsp. glaucus Timothy S. Ross; Steve Boyd 1994-5-24 7867 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 - Liebre Mountains 1158 Comment
  UC821463  Elymus multisetus Geo. B. Grant May, 1901 1212 Los Angeles Pasadena Comment
  RSA609968  Emex spinosa Louis C. Wheeler 1970-5-14 s.n. Los Angeles Watts: 103rd Street and Grandee Street. Comment
  RSA0084495  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12537 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA115039  Emmenanthe penduliflora E. K. Balls 1955-7-25 20980 Los Angeles Claremont, San Gabriel Mts. Comment
  RSA599582  Emmenanthe penduliflora Steve Boyd, Lauren Raz 1997-3-25 9309 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
  RSA652207  Emmenanthe penduliflora Gene Cooper 1961-4-25 s.n. Los Angeles Fish Canyon in park area. Comment
  UCR277046  Emmenanthe penduliflora R. G. Swinney 2010-6-8 13230 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  UCR270245  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-7-7 15441 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  RSA607519  Encelia actoni Robert Crandall 1969-12-21 s.n. Los Angeles Mount Wilson Toll Road near lower end. Comment
  RSA271426  Encelia californica C. W. Tilforth, Walter Wisura, John Dourley 1978-6-8 1591 Los Angeles Base of bluffs at Point Dume, west of Malibu Comment
  UC1118055  Encelia californica P. L. Johannsen 1934-2-19 294 Los Angeles Boquet Canyon Santa Susana Quadrangle, Boquet Canyon Comment
  OBI70283  Encelia farinosa Louis C. Wheeler 1973-5-16 s.n. Los Angeles San Gabriel Mtns: Mouth of Van Tassel Cyn Comment
  UCR94689  Endolepis covillei A. C. Sanders, E. J. Lott 1993-5-6 13945 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  NY70319  Ephedra nevadensis T. S. Ross 1991-4-29 4874 Los Angeles Liebre Mountains, northwest Los Angeles County: Parker Mountain and ridge to the southwest: southwest of Acton and noth northeast of Ravenna. Acton 7.5' USGS Quadrangle 1118.6 Comment
  NY70329  Ephedra nevadensis L. S. Rose 1968-4-5 68014 Los Angeles Acton, Mojave Desert 1585.0 Comment
  RSA625161  Ephedra nevadensis L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  UCR280076  Ephedra nevadensis Onkar Singh 2016-4-2 5693 Los Angeles Mojave Desert, Antelope Valley, 11 km NW of Lancaster, 200 m south of West Avenue F and 400 m west of 60th Street West 708 Comment
  CHSC101345  Ephedra viridis Sula Vanderplank; LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -37 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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
  SBBG404  Ephedra viridis H. and M. Dearing 1949-4-26 6756 Los Angeles near Pearblossom Heights Comment
  RSA594405  Epilobium brachycarpum Steve Boyd, Lauren Raz 1996-10-14 9082 Los Angeles Liebre Mountains region, 'Cow Spring Pond', a sag pond along the San Andreas Fault at the north base of Liebre Mountain in Oakdale Canyon, just west of confluence of Cow Spring Canyon. 1159 Comment
  CAS-BOT-BC166188  Epilobium canum subsp. canum R. J. Dobbs 1924-8-6 s.n. Los Angeles 4/5 mile north of Swetzer [Switzer] Stream Trail Comment
  CAS-BOT-BC166190  Epilobium canum subsp. canum G. L. M. 1915-9-6 444 Los Angeles Above falls of Sawpit Canyon near Monrovia Comment
  CAS-BOT-BC166280  Epilobium canum subsp. canum Martha Hilend 1930-10-15 s.n. Los Angeles U.C.L.A. campus, West Los Angeles Comment
  POM20618  Epilobium canum subsp. canum P. A. Munz 1923-10-31 7797 Los Angeles Claremont. Comment
  RSA579569  Epilobium canum subsp. canum Tim S. Ross, Steve D. Boyd 1994-9-20 8244 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  SD91994  Epilobium canum subsp. canum R. M. Beauchamp, T. Oberbauer 1975-8-23 22680 Los Angeles Volcanic cliff, west fork of Red Rock Canyon, San Clemente Island. 349 Comment
  RSA652549  Epilobium canum subsp. latifolium Marion P. Harthill 1971-9-25 586 Los Angeles Baden Powell, Angeles National Forest. Comment
  RSA588312  Epilobium ciliatum subsp. ciliatum Mable Emler 1929-7-30 s.n. Los Angeles Topango Canyon. North of Elkhorn Camp. Comment
  SFV1  Equisetum arvense R. L. Armacost 1934-5-29 144 dup. Los Angeles Santa Monica Mountains Topanga Canyon. Elkhorn Camp. 61 Comment
  UCR129828  Equisetum hyemale subsp. affine L. C. Wheeler 1931-9-5 59 Los Angeles San Gabriel Mtns., San Dimas Canyon 488 Comment
  UC57326  Equisetum laevigatum Ernest Braunton 1902-5-10 290 Los Angeles Rivera Comment
  CAS-BOT-BC57755  Equisetum telmateia Geo. B. Grant 1904-4-1 406 Los Angeles Pasadena. Comment
  CAS-BOT-BC204477  Eragrostis cilianensis Ernest C. Twisselmann 1970-10-17 17549 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1005 Comment
  POM1184  Eragrostis mexicana subsp. virescens I. M. Johnston 1918-5-19 2004 Los Angeles Claremont 366 Comment
  RSA607615  Eremocarpus setiger L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Sand Canyon, mouth of Reynier Canyon. 563 Comment
  CAS-BOT-BC162974  Eremothera boothii subsp. decorticans A. Davidson 1906-6-5 s.n. Los Angeles Big Rock Creek Comment
  IRVC29107  Eriastrum densifolium A. C. Sanders, Mark A. Elvin 2003-6-20 27005 Los Angeles lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA0107949  Eriastrum densifolium subsp. austromontanum T. S. Ross, S. D. Boyd 1991-7-24 5671 Los Angeles Granite Mountain vicinity: near intersection of Pacifico Mountain Road x Roundtop Truck Road. 1902 Comment
  UCR84579  Eriastrum densifolium subsp. densifolium T. S. Ross 1992-7-17 6720 Los Angeles San Gabriel Mtns., Summit of Condor Peak. 1660 Comment
  RSA0120840  Eriastrum pluriflorum subsp. pluriflorum T. S. Ross, S. D. Boyd 1990-6-6 2867 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA0043242  Eriastrum rosamondense LeRoy Gross 2005-5-19 2295 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A., Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  RSA0121282  Eriastrum sapphirinum subsp. dasyanthum Fay A. MacFadden 1931-7-1 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SD82874  Ericameria cooperi var. cooperi Robert F. Thorne, C. W. Tilforth 1971-6-29 40672 Los Angeles San Gabriel Mountains.; north slope of mountains;.5 miles west of Soledad near mouth of Kentucky Springs Canyon. 945 Comment
  LA105972  Ericameria ericoides A. C. Sanders; 1987-9-18 7376 Los Angeles El Segundo Dunes, W of Los Angeles Int. Airport and Pershing Dr 38 Comment
  JEPS31363  Ericameria linearifolia W. L. Jepson 1939-4-21 19245 Los Angeles Quail Lake Liebre Mountains Comment
  RSA585151  Ericameria linearifolia Timothy S. Ross, Steve Boyd 1990-5-31 2736 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  SEINET7837778  Ericameria linearifolia Steve Boyd, Ross, Timothy 1997-3-21 9230 Los Angeles Liebre Mountains. Portal Ridge. Upper Broad Canyon ca 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A. Comment
  UCR102530  Ericameria linearifolia George K. Helmkamp, E. A. Helmkamp 1997-3-6 1356 Los Angeles Tehachapi Mtns., Hills south of Gorman. Along Gorman Post Rd c. 1.1 mi. NW of Calif. Hwy 138 1128 Comment
  UC194547  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-27 10586 Los Angeles 16 km w Lancaster; Antelope Valley Comment
  UCR124869  Ericameria palmeri B. C. Templeton 1962-9-27 9372 Los Angeles Southern Coastal Plain, Los Angeles [Westlake near Macarthur Park], near 6th St. and Coronado St. 107 Comment
  CATA2070  Ericameria palmeri var. pachylepis Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-10-22 Los Angeles Santa Catalina Island: Along Silver Peak Road, about 2 miles E of intersection with Boushay Road 432 Comment
  UC896250  Ericameria palmeri var. pachylepis P. A. Munz 1922-11-20 6569 Los Angeles hills s San Dimas Comment
  RSA517157  Ericameria parishii var. parishii Timothy S. Ross, Orlando Mistretta 1990-10-9 3249 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest. 1457 Comment
  CAS-BOT-BC293118  Ericameria pinifolia Alice Eastwood 1919-5-29 9005 Los Angeles San Gabriel Canyon Comment
  POM201729  Ericameria pinifolia L. C. Wheeler 1931-10-17 260 Los Angeles Thompson Creek Wash 412 Comment
  RSA517168  Ericameria pinifolia Timothy S. Ross, Orlando Mistretta 1990-10-9 3266 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest. 1457 Comment
  RSA605431  Ericameria pinifolia L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground 1433 Comment
  POM357602  Erigeron Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  OBI36525  Erigeron bonariensis Mark Schneider 2005-5-26 s.n. Los Angeles Pierce College Hort. Unit Comment
  UCR202707  Erigeron breweri R. G. Swinney 2001-8-18 8054 Los Angeles San Gabriel Mtns., c. 400 m south of summit of Mt. Baden-Powell 2805 Comment
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Jul 8 2021
  SD239590  Erigeron foliosus R. G. Swinney 2008-7-16 9244 Los Angeles San Gabriel Mtns.: Will Thrall Peak, west of Burkhart Saddle. 2378 Comment
  CAS-BOT-BC296174  Erigeron foliosus var. foliosus G. B. Grant 1904-6-1 412 a Los Angeles Monrovia Comment
  RSA586664  Erigeron foliosus var. foliosus Orlando Mistretta 1995-6-1 1760 Los Angeles San Gabriel Mountains: Carr Canyon. 1037 Comment
  CAS-BOT-BC174667  Erigeron foliosus var. stenophyllus Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8125 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  SEINET6699514 Image available Eriodictyon crassifolium B. C. Templeton, T. W. and C. B. Clokey 1930-5-13 1466 Los Angeles Bouquet Canyon 600 Comment
  SFV2962  Eriodictyon crassifolium K. A. Wilson 1962-5-10 1265 Los Angeles San Gabriel Mountains Placerita Canyon Road, about 2 miles east of Highway 6. 490 Comment
  UCD119237  Eriodictyon crassifolium Daryl Koutnik 1978-5-2 451 Los Angeles Bell Canyon in the Simi Hills. 365 Comment
  UC1537543  Eriodictyon crassifolium var. nigrescens Gordon H. True Jr. 1935-5-16 284 Los Angeles 7 mi w Palmdale (Junction Leona Valley and Bouquet Canyon); Leona Valley and Bouquet Canyon 914 Comment
  UCD119243  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1946-8-27 6247 Los Angeles San Gabriel Mountains: Intersection of Angeles Crest Highway and Angeles Forest Highway on ridge between Arroyo Seco and Tujunga Canyon. Comment
  CAS-BOT-BC188943  Eriodictyon parryi John H. Thomas 1957-5-8 6740 Los Angeles About 13 miles NE of center of Pasadena, San Gabriel Mountains 1676 Comment
  JEPS22768  Eriodictyon trichocalyx Rimo Bacigalupi with Reino Alava 1958-7-20 6428 Los Angeles along Angeles Crest Highway (State Highway 2) along northwestern shoulder Mt. Islip (watershed of South Fork of Big Rock Creek, San Gabriel Mts.); Angeles National For, San Gabriel Mts., S Fk Big Rock Creek 2164 Comment
  RSA508651  Eriodictyon trichocalyx Gordon Pilone 1962-6-24 500 Los Angeles 1 mile W of Topanga Canyon Road on [Robinson?] Road 305 Comment
  UC1181199  Eriodictyon trichocalyx P. C. Everett and E. K. Balls 1959-5-22 23807 Los Angeles from Valyermo Big Rock Creek (n slopes, San Gabriel Mts.); San Gabriel Mts., , from Valyermo 1219 Comment
  RSA549806  Eriodictyon trichocalyx Wandalee Thompson 1964-6-16 54 Los Angeles [No location information on label.] Comment
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Nov 11 2015
  RSA455076  Eriodictyon trichocalyx var. trichocalyx Robert Gustafson 1963-5-17 s.n. Los Angeles ca 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Hwy. 1585 Comment
  RSA608199  Eriogonum R. S. Woglum 1940-5-15 2912 Los Angeles South Coast: Tujunga Wash; San Fernando Valley. . Comment
  IRVC28800  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2003-8-7 27171 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  RSA393147  Eriogonum cinereum F. R. Fosberg 1931-3-1 4221 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  SBBG61935  Eriogonum cithariforme R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  UCR104681  Eriogonum davidsonii David Charlton 1989-10-7 4119 Los Angeles San Gabriel Mtns., Lake Hughes, Highway N-2 along San Andreas Fault,W of Lancaster. 915 Comment
  RSA511328  Eriogonum fasciculatum A. C. Sanders 1988-5-18 7851 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. Comment
  RSA658410  Eriogonum fasciculatum Erinn Wilson 1996-5-18 30 Los Angeles Found in G canyon CPU Comment
  UCR205548  Eriogonum fasciculatum subsp. fasciculatum A. C. Sanders, T. B. Salvato 2009-5-19 36817 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
  UCR261771  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-2-27 11740 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  LA52254  Eriogonum fasciculatum var. fasciculatum Tom O'Donnell; 1953-4-30 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  UCR125236  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25506 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, NE of bench mark 1205 396 Comment
  CAS-BOT-BC250117  Eriogonum fasciculatum var. polifolium Ira L. Wiggins 1966-4-23 20637 Los Angeles Along E side of 145 Street E, between Palmdale Boulevard and Avenue O, north of Pearblossom. Mohave [Mojave] Desert Comment
  POM50855  Eriogonum fasciculatum var. polifolium A. D. E. Elmer 1902-06 3660 Los Angeles Palmdale. Comment
  UCSB1478  Eriogonum fasciculatum var. polifolium Ralph, F. 1959-5-15 Los Angeles Mint Canyon at campground along U.S. 6; 7.9 miles north of jct. with Soledad Canyon Rd 457 Comment
  CDA1011  Eriogonum giganteum D. G. Kelch 1991-3-17 1322 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  UC1349044  Eriogonum giganteum Robert F. Thorne 1966-9-16 26724 Los Angeles Lookout Point se Pebbly Beach; Santa Catalina Island 45 Comment
  RSA11716  Eriogonum giganteum var. giganteum R. L. Pendleton 1909-7-3 1383 Los Angeles Santa Catalina Island. Crest of the island. 457 Comment
  RSA393236  Eriogonum gracile var. gracile F. R. Fosberg 1930-7-3 S 3089 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  OBI69361  Eriogonum grande John Knapp, Denise Knapp 2002-11-27 19 Los Angeles Santa Catalina Island. 6 Comment
  RSA5993  Eriogonum grande var. grande Carl B. Wolf 1932-10-6 4248 Los Angeles West side of Avalon, Santa Catalina Island. 61 Comment
  SEINET3237750 Image available Eriogonum heermannii R. G. Swinney 1999-8-16 7635 Los Angeles San Gabriel Mtns.; Grandview Canyon, c. 1/4 mile north of All Nations Camp and Big Pines Highway. 1732 Comment
  CAS-BOT-BC261176  Eriogonum heermannii var. heermannii Victor Duran 1933-8-10 3545 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1394 Comment
  UC1375298  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1971-8-25 41280 Los Angeles just n on saddle between Hawkins and Throop Peak summit of Mt. Hawkins; San Gabriel Mts., Angeles National Forest 2667 Comment
  CAS-BOT-BC268777  Eriogonum mohavense Katharine Brandegee No date on label s.n. Los Angeles Lancaster Comment
  UC519651  Eriogonum mohavense Victor Duran 1933-5-23 3416 Los Angeles near Lancaster Comment
  UCR281962  Eriogonum molestum R. G. Swinney 2014-4-24 16199 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
  SBBG64125  Eriogonum nudum R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  CHSC111504  Eriogonum nudum var. pauciflorum Duncan S. Bell; Caitlin Elam 2013-7-11 5369 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mt. Wilderness; eastern flanks of Mt. Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  POM13371  Eriogonum nudum var. pauciflorum P. A. Munz 1922-7-22 6126 Los Angeles San Antonio Canyon, San Gabriel Mountains 1829 Comment
  RSA273156  Eriogonum nudum var. pauciflorum Glenn A. Gorelick 1966-8-28 s.n. Los Angeles Big Rock Creek, near Valyermo. Comment
  RSA0116183  Eriogonum nudum var. pubiflorum R. G. Swinney 2011-10-13 15787 Los Angeles San Gabriel Mountains; Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail. 1582 Comment
  SBBG65200  Eriogonum plumatella R. Hoffmann 1927-8-31 Los Angeles Acton to Palmdale Comment
  RSA250583  Eriogonum pusillum Robert F. Thorne 1973-5-11 43463 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
  CAS-BOT-BC267576  Eriogonum saxatile Le Roy Abrams 1901-7-10 1901 Los Angeles Wilson's Peak 1767 Comment
  JEPS22762  Eriogonum saxatile Rimo Bacigalupi with Reino Alava 1958-7-20 6420 Los Angeles Kratka Ridge Angeles National Forest, San Gabriel Mts., Little Rock Creek (base of scree slope on n face, upper slopes of canyon, about 1 mi w of Cedar Spring) 2072 Comment
  RSA230699  Eriogonum saxatile Robert F. Thorne, M. Z. Thorne 1969-7-9 38495 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  RSA766273  Eriogonum saxatile Joseph A. Ewan 1936-8-13 10037 Los Angeles On east and south side of summit area. Baldy Notch 2835 Comment
  CAS-BOT-BC262864  Eriogonum thurberi Alice Eastwood 1913-5-11 3172 Los Angeles San Fernando Wash Comment
  RSA233721  Eriogonum umbellatum var. minus Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42253 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  SD22486  Eriogonum umbellatum var. munzii Susan G. Stokes 1910-8-29 Los Angeles Old Baldy Comment
  SBBG64211  Eriogonum vimineum R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  RSA420609  Eriogonum wrightii var. subscaposum F. R. Fosberg 1931-8-11 S- 5646 Los Angeles Pine Flats, north fork, San Gabriel Canyon, San Gabriel Mountains 1820 Comment
  POM305833  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1940-3-10 1083 Los Angeles N of Claremont. Comment
  RSA724640  Eriophyllum confertiflorum K. Dobry 1991-6-24 D- 755 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  SFV6205  Eriophyllum confertiflorum R. M. Muran 1974-4-26 82 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  SEINET10673350  Eriophyllum confertiflorum John T. Middleton 1936-4-6 Middleton 129 Los Angeles Hollywood Hills. Comment
  UC1594351  Eriophyllum confertiflorum var. confertiflorum Tim Ross 1992-4-14 6156 Los Angeles just below the mouth Nanny Canyon (central e side of San Clemente Island); San Clemente Island 137 Comment
  UC90261  Eriophyllum confertiflorum var. confertiflorum T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  SD41966  Eriophyllum pringlei Darley F. Howe 1947-5-5 1539 Los Angeles Palmdale Comment
  RSA655745  Erodium botrys James Henrickson 2000-4-15 20689 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  SFV20810  Erodium botrys L. Gross, N. Fraga 2002-4-4 504 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 606 Comment
  RSA592194  Erodium botrys Louis C. Wheeler 1967-4-9 9181 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Canyon Inn. Comment
  SEINET12182128  Erodium botrys J. F. Bright, Wyman, C. 1933-1 8368 Los Angeles San Fernando Valley Comment
  RSA391788  Erodium cicutarium F. R. Fosberg 1931-3-20 664 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island 50 Comment
  RSA653644  Erodium cicutarium S. Koukol, R. Koukol 1998-4-26 15 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 424 Comment
  RSA658376  Erodium cicutarium Naomi Zohman 1985-4-28 11 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  UCR220257  Erodium cicutarium R. G. Swinney 2009-4-28 10509 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR281403  Erodium cicutarium R. G. Swinney 2014-5-19 16572 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  POM261345  Erodium macrophyllum P. A. Munz 1940-5-1 15770 Los Angeles S of San Dimas. Comment
  UCR184101  Erodium macrophyllum A. C. Sanders 2007-4-13 33406 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  POM12313  Erodium moschatum F. L. Robinson 1921-5-9 77 Los Angeles Claremont. Comment
  SBBG19167  Erodium moschatum M. A. Piehl 1963-12-8 631109 Los Angeles behind shore between Whale Pt and NW Harbor 3 Comment
  SEINET10481318  Erysimum capitatum John T. Middleton Middleton 161 b Los Angeles Comment
  UCD114999  Erysimum capitatum var. capitatum Daryl Koutnik; Bruce Holguin 1978-4-1 213 Los Angeles south side of Sierra Highway and east of Anthony Road. 883 Comment
  UCD115012  Erysimum capitatum var. capitatum Collector unknown 1923-5-22 274 Los Angeles Eaton Canyon, over Oak Flat. Comment
  UCR214606  Erysimum suffrutescens A. C. Sanders, Dan S. Cooper 2010-3-12 37387 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UC147070  Eschscholzia F. M. Reed 1909-7-4 2842 Los Angeles Pebbly Beach Rd opposite outfall sewer; Catalina Island 22 Comment
  UC85518  Eschscholzia Katharine Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  UCR157499  Eschscholzia caespitosa Scott D. White 1994-7-14 2261 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  SEINET6911600  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1955-3-26 3487 Los Angeles Antelope Valley east of Fairmont on 110th Street. "Gilia expanse" east side of road in field. Comment
  LA202589  Eschscholzia californica Sharon Johnston; 1957-5-9 22 Los Angeles 30 Comment
  LA82466  Eschscholzia californica O. H. Kappler; 1941-3-26 771 Los Angeles Santa Monica Mountains, Corral Canyon 457 Comment
  UCR187004  Eschscholzia californica A. C. Sanders 2006-4-10 32009 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  UCR204438  Eschscholzia californica R. G. Swinney 2005-4-9 8207 Los Angeles San Gabriel Mtns., San Dimas, Sycamore Canyon 518 Comment
  UCD95326  Eschscholzia californica Marc Meyer 1993-4-25 27 Los Angeles Santa Susana Mts., Moonshine Cyn. Park, Porter Ranch, 2 miles north of Tampa offramp of 118 Fwy. 400 Comment
  RSA21783  Eschscholzia californica var. crocea Carl B. Wolf 1937-5-20 8744 Los Angeles Tehachapi Mts., 1 mi. so. of Tejon Pass on Hungry Valley Road. 1280 Comment
  LA46269  Eschscholzia minutiflora A. Handschiegel; 1925-5-17 sn Los Angeles Little Rock Creek Comment
  UCR119534  Eschscholzia minutiflora L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., East fork of Kentucky Springs Canyon 1280 Comment
  SBBG38713  Eschscholzia ramosa M. B. Dunkle 1939-4-6 7301 Los Angeles Mosquito Harbor Comment
  RSA461097  Eucalyptus viminalis Robert Gustafson 1981-4-14 2165 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA0128960  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin 2003-4-14 25980 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  UC56878  Eucrypta chrysanthemifolia var. chrysanthemifolia W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  UC167136  Eulobus californicus Marcus E. Jones, A. M. May 1882 Los Angeles Pasadena Comment
  POM2700  Euphorbia lathyris W. R. Shaw 1900-7-3 s.n Los Angeles Claremont. 365 Comment
  CAS-BOT-BC202395  Euphorbia ocellata Louis Wheeler 1965-6-21 8694 Los Angeles Alpine Butte: ca 3 mi east of 90th street east and Ave 6 on Ave 0 ca 1 mile west of Alpine Butte. Wildflower Sanctuary Comment
  JEPS78785  Euphorbia palmeri L. R. Heckard with Michael Morris 1976-6-13 4263 A Los Angeles ca 3 mi w Wrightwood (along Route 2, 0.5 mi w of Holiday Hill Ski Lifts, 0.5 mi e of Big Pines Ranger Station); San Gabriel Mts. 1828 Comment
  RSA748995  Euphorbia serpillifolia A. C. Sanders, T. B. Salvato 2009-5-20 36887 Los Angeles near Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  RSA600991  Euphorbia serpillifolia subsp. serpillifolia L. C. Wheeler 1967-6-26 9887 Los Angeles Elsmere Canyon. 441 Comment
  SBBG17778  Euphorbia spathulata P. H. Raven 1962-5-9 17675 Los Angeles above Mosquito Cove 335 Comment
  UCR215134  Euphorbia terracina Sarah C. Pasquini 2008-4-19 18 Los Angeles South Coast, San Pedro, White Point Nature Preserve, c. 300 m off West Paseo del Mar 40 Comment
  JEPS30424  Euthamia occidentalis Peter H. Raven 1959-10-16 14646 Los Angeles 0.8 mi s Boquet Canyon Guard Station (along stream); Boquet Canyon Comment
  POM187601  Euthamia occidentalis Joseph A. Ewan 1931-10-24 5277 Los Angeles Santa Monica Mountains: 0.5 mile below Seminole Hot Springs. Comment
  SBBG13633  Extriplex californica P. H. Raven 1962-4-9 17158 Los Angeles near barracks, Wilson Cove 60 Comment
  UC1584731  Festuca arundinacea Tim Ross and Annette Ross 1991-6-3 5514 Los Angeles Elephant Hill, w Pomona Pomona 249 Comment
  UCR241290  Festuca microstachys Tracy Drake, Dan Portwar 2012-3-31 P 1 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR260002  Festuca microstachys R. G. Swinney 2010-5-11 12632 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR210538  Festuca myuros R. G. Swinney 2008-11-30 9895 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 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
  RSA0113948  Ficus microcarpa R. E. Riefner Jr. 2015-4-25 15 -127 Los Angeles City of Los Angeles, Lincoln Heights, S. Side of West Avenue 26 at Interstate 10 bridge. 109 Comment
  POM4886  Filago californica L. R. Abrams 1901-4-1 1238 Los Angeles Ballona Harbor. Comment
  RSA660415  Filago californica Orlando Mistretta 1992-5-21 385 Los Angeles Right Star Mine, S of Acton. Comment
  RSA654086  Filago gallica Valerie L. Soza, Laura Moore 2000-5-10 830 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines 594 Comment
  SD40898  Foeniculum vulgare Carl B. Wolf 1932-10-3 Los Angeles Santa Catalina Island, ca. 1 1/4 mile from Wrigley Drive on road to Renton Mine 305 Comment
  UCR149916  Forestiera pubescens R. G. Swinney 1999-6-18 7304 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  UCR177164  Forestiera pubescens LeRoy Gross 2001-3-25 360 a Los Angeles Transverse Ranges; Verdugo Mountains region, Los Angeles Basin: Verdugo Mountains region: Off Verdugo Crestline Drive, dirt road that is north of the 210 freeway in the northwest section of the Vedugo Mountains, just east of Sunland exit off ramp, you can get on this fire road from the west at Newhome Ave off of Foothill Blvd. in the city of Sunland 549 Comment
  CAS-BOT-BC384176  Forestiera pubescens subsp. parvifolia Robert F. Thorne; J. P. Simon; J. Dourley; H. Caulfield 1970-5-1 39542 Los Angeles Along lower Big Rock Creek ca. 1 mi. S of Valyermo Station 1249 Comment
  CAS-BOT-BC52567  Frangula californica subsp. californica Peter H. Raven 1959-5-3 14105 Los Angeles 1.8 miles south of Mulholland Drive, Franklin Canyon 243 Comment
  OBI66300  Frangula californica subsp. californica Steve Boyd, Amber Maurice 2004-5-18 11309 Los Angeles Tranverse Ranges; Liebre Mts region: Atmore MEadows area Comment
  SBBG89253  Frangula californica subsp. californica J. Adams 1965-5-14 226 Los Angeles Mount San Antonio Cyn, 2.7 mi above lower Mt San Antonio Forest station 1011 Comment
  CATA1812  Frankenia salina Benjamin E. Carter 2012-8-23 6999 Los Angeles Santa Catalina Island: Two Harbors at top of Catalina Harbor 0 Comment
  UC729777  Frankenia salina Carl B. Wolf 1932-5-12 Los Angeles Little Harbor Santa Catalina Island 3 Comment
  RSA464915  Fraxinus dipetala L. E. Hoffman 1928-7-8 s.n. Los Angeles Oak Canyon, eask fork of San Gabriel River. Comment
  RSA613156  Fraxinus dipetala Katherine Kneen 1933-4-12 s.n. Los Angeles Santa Monica Mountains: Topango [Topanga] Canyon Comment
  RSA659121  Fraxinus dipetala LeRoy Gross 2001-3-25 354 Los Angeles Off Verdugo Crestline Drive, dirt road that is north of the 210 freeway in the northwest section of the Verdugo Mountains, just east of Sunland exit off ramp., You can get on this fire road from the west at Topley Lane and Newhome Ave. off Foothill Blvd. in the city of Sunland. 488 Comment
  RSA660401  Fraxinus dipetala Orlando Mistretta 1992-6-17 590 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  RSA0055765  Fraxinus uhdei R. G. Swinney 2010-4-1 12138 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  LA49809  Fraxinus velutina R. L. Armacost; May 1963 sn Los Angeles Tapia Park, Malibu Creek Comment
  RSA596136  Fraxinus velutina Tim S. Ross, Steve D. Boyd 1995-6-28 8636 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA760561  Fraxinus velutina R. G. Swinney 2009-3-10 10069 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SEINET13943186 Image available Fraxinus velutina Leila M. Shultz 1981-1 4938 Los Angeles cultivated Rancho Santa Ana Botanic Garden; ca. 1000 ft alt. 305 Comment
  SEINET8726758 Image available Fremontia californica Victor Duran 1933-1 3510 Los Angeles Sulphur Springs, San Gabriel Mts. ,Los Angeles County. Elevation 5250 feet. 1600 Comment
  CAS-BOT-BC212388  Fremontodendron californicum A. D. E. Elmer 1902-6-1 3686 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC212390  Fremontodendron californicum Carl B. Wolf 1936-5-27 7861 Los Angeles Aliso Canyon to Buckhorn Flats Road, 8 mi. above Tie Camp Summit, San Gabriel Mts. 1676 Comment
  UC18991  Fremontodendron californicum J. Burtt Davy May 9-24 1896 2605 Los Angeles Leonis Valley, near Eells Ranch Comment
  UCR145170  Fremontodendron californicum subsp. californicum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  CDA5843  Galinsoga parviflora Margaret Bellue 1945-5-12 Los Angeles South Western Avenue, Los Angeles. 0 Comment
  SBBG46735  Galium andrewsii subsp. intermedium Leota Davidson 1966-5-14 326 Los Angeles Hwy 99 (Ridge Route), S of Oak Flat cmpgrd on Whitaker Park Rd Comment
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  SBBG128172  Galium angustifolium B. E. Carter 2012-8-23 6983 Los Angeles Middle Ranch Cyn, at Pump Station 2 310 Comment
  UCR125177  Galium angustifolium A. C. Sanders, Mark Elvin 2002-6-25 25271 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  CHSC99450  Galium angustifolium subsp. angustifolium LeRoy Gross; Laura Moore 2000-6-5 208 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 Comment
  POM367670  Galium angustifolium subsp. angustifolium Howard Mullins 1931-4-27 270 Los Angeles Griffith Park. Comment
  RSA523168  Galium angustifolium subsp. angustifolium Tim S. Ross 1991-2-23 4104 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca. 1/5 air-mile WNW of Turnbull Canyon Rd x Skyline Drive. 308 Comment
  SD131982  Galium angustifolium subsp. angustifolium Barbara Ertter, L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7482 Los Angeles Pine Canyon Rd along San Andreas fault on north side of San Gabriel Mts (Co Rd N2), road cut N side of road Comment
  UC496154  Galium angustifolium subsp. angustifolium W. R. Dudley and Lamb 1896-6-7 4353 a Los Angeles nw Mojave Desert; Antelope Valley Comment
  POM367674  Galium angustifolium subsp. nudicaule L. E. Hoffman 1929-5-18 957 Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA486468  Galium angustifolium subsp. nudicaule Richard Noyes 1988-7-30 601 Los Angeles Claremont; foothills of the San Gabriel Mts; 200 meters east of Thompson Creek Dam. 500 Comment
  POM4533  Galium aparine M. L. M. 1912-6-15 s.n. Los Angeles Claremont. Comment
  UC1143140  Galium aparine A. D. Gifford 1935-3-17 494 Los Angeles 2 1/2 mi sw Red Mountain; Angeles National Forest, Tejon Quadrangle 518 Comment
  SD84900  Galium aparine Reid Moran 1941-2-17 581 Los Angeles Middle Ranch, San Clemente Island, east side of arroyo 500 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
  CAS-BOT-BC217466  Galium catalinense Reid Moran 1941-2-23 606 Los Angeles South of Johnson's Valley, Santa Catalina Island 200 Comment
  POM4420  Galium grande L. T. Street 1918-5-19 s.n. Los Angeles Mt. Wilson trail near Camp Ualtee Comment
  RSA229175  Galium jepsonii Robert F. Thorne, C. W. Tilforth 1971-6-30 40746 Los Angeles Pacifico Mountain 1951 Comment
  RSA233378  Galium nuttallii Arthur C. Gibson, Linda C. Gibson 1972-3-4 2781 Los Angeles Dume road near Point Dume. Comment
  RSA187808  Galium nuttallii subsp. insulare Robert F. Thorne 1966-4-5 35832 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  LA36001  Galium nuttallii subsp. nuttallii Peter H. Raven; 1960-5-21 15409 Los Angeles Santa Monica Mountains, junction of Latigo Rd with Mulholland Hwy 518 Comment
  RSA67139  Galium parishii F. W. Peirson 1920-9-12 2280 Los Angeles Summit of 'Baldy' (Mt. San Antonio) 3049 Comment
  UC28221  Galium porrigens J. H. Barber 1897-3-28 114 Los Angeles Santa Monica Exp. Station Comment
  RSA313365  Galvezia speciosa Robert F. Thorne 1973-4-11 42836 Los Angeles San Clemente Island: middle portion of Norton Canyon. 274 Comment
  RSA653670  Gamochaeta pensylvanica A. C. Sanders, D. Malueg 1998-6-22 22012 Los Angeles Pasadena, just north of the I-210 Freeway on E bank of Eaton Wash, north side of Foothill Blvd. where it goes under the 210, under SCE transmission lines 225 Comment
  RSA585939  Garrya flavescens Tim S. Ross 1990-5-23 2640 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon. 1308 Comment
  RSA599285  Garrya flavescens Steve Boyd, Lauren Raz 1997-3-31 9421 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
  JEPS66753  Garrya veatchii A. M. Ottley 1920-5-6 626 Los Angeles between Fish Canyon and Monrovia Canyon; San Gabriel Mts. Comment
  RSA660256  Gayophytum diffusum subsp. parviflorum Orlando Mistretta, Peter L. Morrell 1992-6-4 504 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  UCR271220  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-1 14961 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1073 Comment
  RSA776386  Gayophytum oligospermum Orlando Mistretta, Christine Mistretta 2010-6-14 5319 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  SEINET12278821  Gilia C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  UCD117629  Gilia achilleifolia subsp. achilleifolia Daryl Koutnik; Bruce Holguin 1978-4-1 207 Los Angeles Sierra Pelona Valley, west side of Anthony Road and north of Sierra Highway. 890 Comment
  CHSC40022  Gilia angelensis LeRoy Abrams 1903-4-10 3245 Los Angeles Near Inglewood. Comment
  LA52320  Gilia angelensis W. O. Griesel; 1936-4-18 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  RSA607085  Gilia angelensis L. C. Wheeler 1934-4-17 2532 Los Angeles San Gabriel Mountains, Palmer Canyon 510 Comment
  UC909021  Gilia angelensis Herbert L. Mason 1926-4-26 2955 Los Angeles 4 mi w Saugus; w of Saugus Comment
  UCR220262  Gilia cana R. G. Swinney 2009-4-28 10504 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  SEINET4044464  Gilia capitata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 213 Comment
  RSA470237  Gilia capitata subsp. abrotanifolia B. C. Templeton 1931-3-29 s.n. Los Angeles Mandeville Canyon. 350 Comment
  RSA470243  Gilia capitata subsp. abrotanifolia Howard Mullins 1931-3-15 s.n. Los Angeles Santa Susana. [pass?] Comment
  UC1562559  Gilia capitata subsp. abrotanifolia Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7475 Los Angeles Pine Canyon Road along San Andreas Fault (n side of mts (Co Rd N2), steep slope and roadcut on n side of road); San Gabriel Mts. Comment
  UCSB46591  Gilia capitata subsp. abrotanifolia Welton, Patti 1983-3-28 Los Angeles Northeast side of Mulholland Hwy.; 1 mile north of Cold Canyon Road; Santa Monica Mtns. 518 Comment
  RSA778925  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-2 5239 Los Angeles Mill Creek Canyon, 1.40 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1348 Comment
  SD48430  Gilia latiflora subsp. davyi Verne Grant, Alva Grant 1952-4-23 17582 Los Angeles Leona Valley at junction of Bouquet Reservoir and Palmdale roads. Comment
  UC23664  Gilia latiflora subsp. latiflora J. H. Barber 1897-6-28 208 Los Angeles Kentucky Springs Kentucky Springs (Southern California) Comment
  CAS-BOT-BC226408  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2987 Los Angeles Between Vincent and Palmdale (Mine Canyon Highway), Mohave [Mojave] Desert Comment
  RSA567174B  Gilia malior T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3912 -A Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  UC908420  Gilia minor Herbert L. Mason 1938-4-15 11722 Los Angeles three mi e Mohave (Mohave Desert); , e of Mohave Comment
  UCR193607  Gilia modocensis R. G. Swinney 1999-6-28 7453 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  RSA587166  Gilia modocensis Orlando Mistretta 1995-4-28 1653 Los Angeles Kitter Canyon; Slopes W of main canyon. 1280 Comment
  CAS-BOT-BC225499  Gilia nevinii S. B. Parish 1885-4-1 s.n. Los Angeles San Clemente Island Comment
  SBBG12050  Gilia nevinii P. H. Raven 1962-4-10 17213 Los Angeles summit ridge, ca. 2 mi N of Thirst 487 Comment
  CAS-BOT-BC402008  Gilia ochroleuca subsp. bizonata Louis C. Wheeler 1932-4-9 590 Los Angeles Mouth Kings Canyon, Elizabeth Lake Region 975 Comment
  SBBG58394  Gilia ochroleuca subsp. bizonata R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  RSA0017157  Gilia ochroleuca subsp. vivida L. C. Wheeler 1967-8-2 10309 Los Angeles San Gabriel Mountains., Angeles National Forest: 1mi SE summit of Mt. Pacifico. 2012 Comment
  RSA515217  Gilia sinuata Steve Boyd, Orlando Mistretta 1986-3-31 1528 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  CLARK-A1528-3518  Gilia splendens subsp. splendens John C. Roos 1937-5-31 754 Los Angeles San Gabriel Mountains Comment
  JEPS69713  Gilia splendens subsp. splendens Frank W. Peirson 1918-10-21 286 Los Angeles West Fork San Gabriel River 1219 Comment
  RSA249782  Glyptopleura setulosa R. F. Thorne, Gary D. Wallace 1973-4-25 43376 Los Angeles 1/4 mi. N of Bob's Gap 1158 Comment
  RSA657352  Gnaphalium californicum J. Keeling 1980-6-1 42 Los Angeles South side of Big Tujunga Canyon Road, 1/2 mile east of Mt. Gleson intersection, Tujunga 549 Comment
  RSA747065  Gnaphalium californicum R. G. Swinney 2008-5-30 8898 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  POM9418  Gnaphalium californicum P. A. Munz, R. D. Harwood 1920-5-15 3923 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA773908  Gnaphalium canescens subsp. beneolens R. G. Swinney 2009-7-22 11350 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  POM358860  Gnaphalium microcephalum Louis Greata 1900-07 s.n. Los Angeles [Unspecified] Comment
  POM358864  Gnaphalium microcephalum M. Bisbee 1917-9-2 s.n. Los Angeles Hills north of Eagle Rock Comment
  POM4629  Gnaphalium microcephalum George B. Grant 1901-1 516 Los Angeles From Pasadena Collected, 1901-1905 Comment
  RSA250356  Gnaphalium palustre R. F. Thorne, C. W. Tilforth, John Dourley, R. Scogin 1972-8-11 42220 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift. 2378 Comment
  RSA617733  Gnaphalium palustre Scott D. White 1998-5-22 6556 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, North Lake Planned Community. 425 Comment
  RSA747421  Gnaphalium palustre R. G. Swinney 2008-5-12 8846 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  CAS-BOT-BC302605  Gnaphalium palustre Le Roy Abrams 1901-4-1 1241 Los Angeles Inglewood Comment
  RSA645549  Goodmania luteola A. C. Sanders, E. J. Lott 1993-5-6 13981 Los Angeles Western Mojave Desert: SW edge of Rosamond Dry Lake, near E end of Ave C, just W of Piute Ponds and E of Sierra Hwy, at edg of Edwards AFB. 701 Comment
  UC635655  Goodmania luteola Herbert L. Mason 1932-4-1 6877 Los Angeles road Roosevelt to Muroc; Mojave Desert Comment
  RSA710837  Grayia spinosa LeRoy Gross 2005-5-3 2205 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  UCR277109  Grayia spinosa R. G. Swinney 2011-4-19 14406 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA657969  Grevillea robusta Christopher Vellema 2001-1-19 101 Los Angeles South side, city of Glendale, Pomeroy Canyon. Along side fire road next to creek. 341 Comment
  UC55184  Grindelia hirsutula H. M. Hall 1902-5-13 3290 Los Angeles near Los Angeles (Howard Summit); Howard Summit Comment
  RSA618766  Guillenia lasiophylla L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/2 mile south-southwest of Blum Ranch. 975 Comment
  CHSC95519  Gutierrezia californica LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 401 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. On ridge that runs down to the mouth of McDonald Creek, on west side of creek, but a short distance from the main crest. 366 Comment
  SBBG113273  Hainardia cylindrica S. A. Junak 1997-6-4 SCl 405 Los Angeles W and E sides of Deep Tank Reservoir, SW of housing at Empire Landing 106 Comment
  SBBG127526  Hainardia cylindrica M. L. Hoefs, S. A. Junak, M. Gay 1997-6-6 2786 Los Angeles upper Buffalo Springs reservoir 435 Comment
  SD234338  Harpagonella palmeri A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26265 Los Angeles Wesetern San Gabriel Mtns.: NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 miles due W of confluence of Bitter and Charlie Canyons (Warm Springs Mtn 7.5'Q) 441 Comment
  UCR277399  Hazardia squarrosa R. G. Swinney 2010-8-23 13572 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  CAS-BOT-BC302325  Hazardia squarrosa var. squarrosa J. Ewan 1931-10-24 5269 Los Angeles One mile above Malibu Lake, Santa Monica Mts. Comment
  RSA674537  Hedera helix LeRoy Gross 2003-2-22 744 Los Angeles South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  UCR214594  Hedypnois cretica A. C. Sanders, Dan S. Cooper 2010-4-30 38121 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA659717  Hedypnois cretica J. C. Roos 1954-5-17 s.n. Los Angeles North Kenmore and Oakdale Streets, Hollywood. Comment
  UCR209849  Helenium bigelovii R. G. Swinney 2008-7-16 9264 Los Angeles San Gabriel Mtns., Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1817 Comment
  UC57412  Helenium puberulum J. H. Barber 1898-8-3 Los Angeles Topanga Comment
  CAS-BOT-BC223974  Helianthemum scoparium Geo. B. Grant 1901-1-1 546 Los Angeles From Pasadena Comment
  UCR260008  Helianthemum scoparium R. G. Swinney 2010-3-24 12092 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA441780  Helianthemum scoparium var. vulgare Fay A. MacFadden 1931-4-10 s.n. Los Angeles Dry hillsides, Tejunga [Tujunga] Canyon 426 Comment
  CAS-BOT-BC305429  Helianthus annuus Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  SEINET13383995 Image available Helianthus annuus R. G. Swinney 2010-1 12322 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  SEINET3218475 Image available Helianthus annuus David Charlton 2009-9-7 s.n. Los Angeles Western Mohave Desert: Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW Corner of area (Rosamond Lake 7.5' Q.) 698 Comment
  SFV3972  Helianthus annuus R. L. Armacost 1954-11-22 583 Los Angeles Santa Monica. Comment
  RSA682671  Helianthus gracilentus LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1090 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. 598 Comment
  UCR281343  Helianthus gracilentus R. G. Swinney 2014-5-27 16688 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  NY621873  Helianthus nuttallii subsp. parishii L. T. Chamberlain s.n. Los Angeles Comment
  SD252295  Heliotropium curassavicum Steven A. Junak 2000-6-30 Sca 1357 Los Angeles Santa Catalina Island: At upper end of Little Harbot, near camp area, campground (N end) 7 Comment
  UCR206526  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2009-5-19 36821 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
  UCR240000  Heliotropium curassavicum R. G. Swinney 2009-11-9 11592 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA139169  Hemizonia clementina Reid V. Moran 1958-9-15 6837 Los Angeles San Clemente Island, Wilson's cove. 50 Comment
  UCR68895  Hemizonia clementina Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4272 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA187698  Hemizonia fasciculata R. F. Thorne 1966-9-14 36660 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA599837  Hemizonia fasciculata Steve Boyd, Lauren Raz 1997-5-6 9749 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA713814  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2005-5-24 30272 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area. ca. 0.5 mi. NW of community of Mint Canyon 549 Comment
  RSA732716  Hemizonia fasciculata A. C. Sanders 2003-4-29 26181 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, N of Charlie Canyon and E Lake Hughes Rd. 396 Comment
  UCR155390  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2005-5-24 30272 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  UCR88688  Hemizonia minthornii Scott D. White 1995-10-19 3718 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR204270  Hemizonia parryi subsp. australis Julie A. Greene 1997-9-12 s.n. Los Angeles South Coast, Long Beach area, intersection of Pacific Coast Hwy (Calif. Hwy 1) and Studebaker Road, near Long Beach Marina 5 Comment
  CATA3385  Hesperocyparis stephensonii Peter J. Dixon 2017-2-22 074 Los Angeles Santa Catalina Island: Blackjack Campground near upper group camp sites 485 Comment
  LA82191  Hesperolinon micranthum O. H. Kappler; 1944-5-7 611 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  LA22802  Hesperoyucca whipplei W. R. Ernst; June 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  OBI26295  Hesperoyucca whipplei Mark Schneider 1973-5-3 27 Los Angeles 1/4 mi W of Tobaga Cyn Blvd, Topanga Cyn, Santa Monica Mts Comment
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Apr 15 2014
  RSA0112526  Hesperoyucca whipplei Richard G. Swinney 2010-5-21 12903 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. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  SD193178  Hesperoyucca whipplei A. C. Sanders 2005-5-5 29903 Los Angeles Western San Gabriel/Liebre Mountains Region: Santa Clarita area, Cruzan Mesa along dirt road at northeast end of mesa. 640 Comment
  UCD169114  Hesperoyucca whipplei R. G. Swinney 2009-6-17 11192 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
  UCR273395  Hesperoyucca whipplei R. G. Swinney 2011-6-22 15264 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  RSA229094  Heterocodon rariflorum R. F. Thorne, C. W. Tilforth 1971-6-30 40768 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek c. 0.3 mile below Alder Saddle 1616 Comment
  CAS-BOT-BC143701  Heteromeles arbutifolia Herman Knoche 1919-7-4 Series A, No. 1003 Los Angeles San Clemente Island, Camp Mosquito Comment
  RSA0104907  Heteromeles arbutifolia R. G. Swinney 2011-10-18 15841 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
  UCR210532  Heteromeles arbutifolia R. G. Swinney 2008-12-4 9944 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  CAS-BOT-BC318861  Heterotheca grandiflora Geo. B. Grant July & Aug s.n. Los Angeles Pasadena Comment
  CATA1805  Heterotheca grandiflora Benjamin E. Carter 2012-8-23 6989 Los Angeles Santa Catalina Island: Airport Road, ca. 1/4mi north of Middle Ranch Road 405 Comment
  UC1215158  Heterotheca grandiflora Peter H. Raven 1962-5-8 17630 Los Angeles opposite Wilson Cove (dunes on w side 0.3 mi from ocean); San Clemente Island 12 Comment
  UCR275282  Heterotheca grandiflora Jeremiah George 2012-3-1 s.n. Los Angeles South Coast, Entradero Park, West Torrance near Redondo Beach 23 Comment
  RSA0074393  Heterotheca grandiflora L. R. Abrams 1899-06 215 Los Angeles Inglewood. Comment
  RSA0074416  Heterotheca grandiflora L. W. Nuttall 1920-5-22 s.n. Los Angeles Santa Catalina Island. Rock Spring Canyon. Comment
  RSA0074444  Heterotheca grandiflora Gerald W. Fisher 1948-2-8 s.n. Los Angeles West bank Hollywood Reservoir (Mulholland Dam). Comment
  SFV15328  Heterotheca grandiflora J. C. Dittes 1990-3-2 32 Los Angeles San Fernando Valley Sheldon and Foothill Blvd. 305 Comment
  UC735721  Heterotheca grandiflora Charles B. Heiser Jr. 1947-6-16 1940 Los Angeles along Highway 99, n Los Angeles Co. Comment
  UC1375292  Heuchera abramsii Robert F. Thorne, C. W. Tilforth and John Dourley 1971-7-27 41071 Los Angeles saddle ridge between West Baldy and Old Baldy (Angeles National Forest, San Gabriel Mts.); San Gabriel Mts., Angeles National Forest 3002 Comment
  UCD170562  Heuchera caespitosa R. G. Swinney 1998-8-13 6740 Los Angeles San Gabriel Mtns., summit of Iron Mountain. 2427 Comment
  UC1532963  Heuchera elegans Robert F. Thorne 1971-6-26 39999 Los Angeles n slope of Occidental Peak (along Mt. Wilson Road); San Gabriel Mts, Angeles National Forest 1645 Comment
  RSA591668  Hirschfeldia incana L. C. Wheeler 1966-9-21 8888 Los Angeles East fork San Gabriel Canyon at Burro Canyon. 457 Comment
  SD215402  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles Liebre Mountains Region: Southern edge of the Antelope Valley at the north base of Portal Ridge, along 180th Street West near the California Aqueduct, east of mouth of Broad Canyon. 914 Comment
  RSA792100  Holodiscus discolor Jane Tirrell, Shirley Imsand 2012-7-6 LS 0092 Los Angeles 50 ft. South of Pacific Crest Trail on ridge, approx 0.6 mi east of Windy Gap. 2507 Comment
  UC1128059  Holodiscus discolor Jerome S. Horton 1938-10-14 518 Los Angeles Bluebird Motorway sw of San Dimas Peak; California Forest And Range Experiment Station 762 Comment
  UCR94711  Hordeum jubatum A. C. Sanders, E. J. Lott 1993-5-6 13992 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  SEINET10828610  Hordeum jubatum Adolph D. E. Elmer Elmer 3618 Los Angeles Comment
  CATA1054  Hordeum murinum Mark L. Hoefs 1995-5-10 1987 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  CATA1186  Hordeum murinum subsp. glaucum Mark L. Hoefs 1995-5-30 2187 Los Angeles Santa Catalina Island: Near Ben Weston Road 30 Comment
  RSA347575  Hordeum murinum subsp. glaucum B. A. Prigge 1986-3-20 6963 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  POM352455  Hordeum murinum subsp. leporinum M. B. Dunkle 1939-4-5 7271 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  LA33404  Hordeum murinum subsp. leporinum Peter H. Raven; 1959-4-4 13973 Los Angeles SANTA MONICA MOUNTAINS, Pt. Dume, behind point. 21 Comment
  UC56547  Horkelia cuneata subsp. puberula unknown 1902-4-29 205 Los Angeles N. Pomona Comment
  UC83512  Horkelia cuneata subsp. puberula J. C. Nevin Los Angeles near Los Angeles Comment
  CAS-BOT-BC144035  Horkelia rydbergii Victor Duran 1933-7-11 3517 Los Angeles Sulphur Springs, San Gabriel Mts. 1524 Comment
  SEINET957950  Hosackia oblongifolia S. Boyd, Mike Wall 1996-1 8784 Los Angeles Liebre Mountians, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of Jtn with Lak e Hughes Road. Comment
  SBBG45067  Hosackia oblongifolia var. oblongifolia V. Duran 1933-7-22 3528 Los Angeles Buckhorn 1981 Comment
  CDA1450  Hydrilla verticillata Aurelio Posadas, R. C. Wightman 1980-10-6 Los Angeles Lily pond at north entrance to the Los Angeles County Museum of Natural History, 900 Exposition Blvd., Los Angeles 0 Comment
  RSA286811  Hypericum androsaemum R. F. Thorne, Larry E. DeBuhr 1974-6-28 44764 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  RSA761709  Hypericum formosum R. G. Swinney 2008-10-10 9547 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA199033  Hypochaeris glabra W. M. Gauntt 1966-4-9 137 Los Angeles Junction of Glendora Mountain Road with Glendora Ridge Road 915 Comment
  RSA527606  Hypochaeris glabra Steve Boyd, L. Arnseth 1990-4-8 4433 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  POM308900  Imperata brevifolia Kay H. Beach 1943-8-27 661 Los Angeles West side of the N Fork above Flume no. 5, San Dimas Experinemtal Forest Comment
  UCR202502  Imperata brevifolia Justin M. Wood 2008-11-25 254 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
  POM361278  Isocoma menziesii var. vernonioides Anstruther Davidson 1917-10 3297 Los Angeles Streets. Comment
  RSA91280  Isocoma menziesii var. vernonioides J. Ewan 1931-10-11 5235 Los Angeles Sepulveda Canyon road N of Mulholland Dr, Santa Monica Mts. Comment
  UC481006  Jaumea carnosa F. M. Reed 1909-7-6 2853 Los Angeles saltmarsh at Isthmus; Catalina Island 0 Comment
  CAS-BOT-BC101895  Juglans californica LeRoy Abrams 1901-4-1 221 Los Angeles Santa Monica Mts. Comment
  RSA597449  Juglans californica Tim S. Ross, Victor W. Steinmann 1995-5-8 8533 Los Angeles Bouquet Canyon: along Bouquet Canyon Road at its intersection with a US Forest Service road that winds up onto the ridge between Bouquet Canyon and Mystic Canyon. 595 Comment
  UCR125133  Juglans californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25548 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper Potrero Canyon 400 Comment
  UCR3262  Juglans californica H. M. Whistler 1964-4-11 640411- 05 Los Angeles San Gabriel Valley, 100 yards off road across from Puddingstone Reservoir 290 Comment
  RSA724468  Juglans californica var. californica K. Dobry 1991-5-2 575 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA0011166  Juglans californica var. californica Tim S. Ross, Walter Appleby 1993-5-20 7190 Los Angeles Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle. 948 Comment
  RSA0040550  Juglans hindsii Robert E. Riefner Jr. 2014-5-10 14 -114 Los Angeles San Fernando Valley, City of Los Angeles, Sepulveda Flood Basin, Sepulveda Basin Wildlife Area, Haskell Creek near Woodley Park, east of Woodley Ave., west of San Diego Freeway, north of Burbank Blvd. 227 Comment
  RSA780933  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37162 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UC729760  Juncus ambiguus Carl B. Wolf 1932-5-12 3608 Los Angeles Middle Canyon Ranch, near bridge on lower road to isthmus Santa Catalina Island 30 Comment
  UCR182496  Juncus balticus R. G. Swinney 1997-7-22 5703 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  RSA596745  Juncus bufonius var. bufonius L. C. Wheeler 1966-9-6 8864 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  RSA600307  Juncus bufonius var. occidentalis L. C. Wheeler 1961-6-9 7850 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Vetter Gulch. 1280 Comment
  RSA0094631  Juncus duranii Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-2 8516 Los Angeles Western slopes of Mount Baden-Powell; north slope of Mount Hawkins, in the vicinity of Lily Spring. 2453 Comment
  UC1155175  Juncus duranii Victor Duran 1933-7-22 3527 Los Angeles Buckhorn San Gabriel Mountains 1981 Comment
  UC2030048  Juncus macrophyllus Louis C. Wheeler 1966-10-1 8940 Los Angeles SAN GABRIEL MOUNTAINS: Millie's Orchard, lower Colby Ranch, Coldwater Canyon. Comment
  JEPS45909  Juncus orthophyllus Victor Duran 1933-7-22 3526 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  RSA368289  Juncus oxymeris Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon 488 Comment
  POM1609  Juncus phaeocephalus Fred Cox 1916-4-26 s.n. Los Angeles Pomona. Comment
  RSA517162  Juncus rugulosus Timothy S. Ross, Orlando Mistretta 1990-10-9 3260 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest 1416 Comment
  UCR172294  Juncus rugulosus Anuja Parikh, Nathan Gale 2005-7-15 2140 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
  SD230118  Juncus saximontanus Louis C. Wheeler 1967-9-17 Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  RSA782056  Juncus tenuis A. C. Sanders, T. B. Salvato 2009-5-20 36868 Los Angeles Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  UCR125147  Juncus torreyi A. C. Sanders, Mark Elvin 2002-6-25 25288 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
  POM153334  Juncus xiphioides Phillip A. Munz, I. M. Johnston 1928-9-4 11174 Los Angeles San Gabriel Mountains: Rock Creek 1159 Comment
  HSC101349  Juniperus californica R. G. Swinney 2008-11-30 9892 Los Angeles San Gabriel Mtns.: Azusa, San Gabriel River Canyon, 1.6 mi. north of Foothill Blvd. at El Encanto Dr. at confluence with Fish Canyon 210 Comment
  HSC1210  Juniperus californica C. B. Wolf 1928-3-29 1552 Los Angeles Antelope Valley at foot of Pine Canyon 2 mi. S of Neenach Comment
  NY99570  Juniperus californica S. D. Boyd 1996-4-24 8659 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon 1066.8 Comment
  UCR239962  Juniperus californica R. G. Swinney 2009-11-13 11619 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  UCR277191  Juniperus osteosperma R. G. Swinney 2011-4-19 14418 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  CAS-BOT-BC235749  Keckiella cordifolia Joseph Andorfer Ewan 1933-7-4 7879 Los Angeles Spanish Canyon above Monrovia, San Gabriel Mts. 609 Comment
  POM257560  Keckiella cordifolia Carl B. Wolf 1932-5-9 3472 Los Angeles Santa Catalina Island. Pebbly Beach Canyon. about 1/2 mi. way to Mexican Houses. 61 Comment
  RSA401767  Keckiella cordifolia L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  UC1551907  Keckiella cordifolia Lyman Benson 1952-5-2 15099 Los Angeles n-face Swain Canyon (Whites Landing); Santa Catalina Island 182 Comment
  SEINET13387005 Image available Keckiella ternata subsp. ternata R. G. Swinney 2011-1 15683 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  POM123187  Kochia californica Marcus E. Jones 1900-7-10 s.n. Los Angeles Lancaster, SW Mojave Desert. Comment
  CAS-BOT-BC271339  Koeleria pyramidata Le Roy Abrams 1901-4-1 1332 Los Angeles Chatsworth Park Comment
  RSA578649  Krascheninnikovia lanata T. S. Ross, J. M. Porter 1994-5-1 7599 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  CATA1528  Lagunaria patersonia Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2749 Los Angeles Santa Catalina Island: Catalina Harbor at the Isthmus 3 Comment
  CAS-BOT-BC273828  Lamarckia aurea Morrow 1915-5-1 s.n. Los Angeles Angeles National Forest. Tejunga [Tujunga] Canyon Comment
  RSA533929  Lamarckia aurea Timothy S. Ross, Orlando Mistretta, M. Hammit 1991-5-19 5228 Los Angeles San Clemente Island, southeast end of island; terrace 1650 ft WNW of Guds, graded by the Navy to form a 'pad' 201 Comment
  RSA653640  Lamarckia aurea S. Koukol, E. Lutz 1998-4-26 21 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road 424 Comment
  SEINET200268 Image available Lamarckia aurea Unknown 20 -25 Los Angeles San Gabriel Valley near Claremont Comment
  CAS-BOT-BC338109  Lasthenia californica Timothy S. Ross 1995-4-26 8393 Los Angeles Liebre Mountains. Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1208 Comment
  CAS-BOT-BC338112  Lasthenia californica Geo. B. Grant 1901-1-1 98 Los Angeles Unspecified Comment
  RSA92924  Lasthenia californica F. W. Peirson 1923-4-9 3425 Los Angeles San Clemente Island: Wilson's Cove Comment
  UC30404  Lasthenia coronaria Dr. A. Davidson 1892-5-1 Los Angeles near Los Angeles Comment
  SD186091  Lasthenia glabrata A. C. Sanders 2003-4-16 26033 Los Angeles Northeast end of Santa Susana Mtns.: Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course. 366 Comment
  SEINET3147833  Lasthenia glabrata subsp. coulteri L. Abrams 1903-4-10 3240 Los Angeles Ballona marshes, near Mesmer Comment
  JEPS26579  Lasthenia gracilis Peter Kamb 1948-5-6 967 Los Angeles San Gabriel Mts. 975 Comment
  UC1614261  Lasthenia gracilis Charles M. Belshaw 1935-3-29 504 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp, W. Antelope Valley); W. Antelope Valley, La Liebre Scarp Comment
  UC174190  Lasthenia gracilis Henry Hemphill 1905-1-1 Los Angeles Santa Barbara Island Comment
  UC891318  Lasthenia gracilis Marcus E. Jones, A. M. 1882-5-2 3211 Los Angeles Pasadena Comment
  POM361545  Lasthenia gracilis M. V. Hood 1940-4-7 s.n. Los Angeles Between San Fernando and Newhall 427 Comment
  UC90001  Lasthenia gracilis unknown Los Angeles Socorro Comment
  RSA0116337  Lathyrus Steven A. Junak 2000-4-15 SCa- 1195 Los Angeles Santa Catalina Island. Upper Avalon Canyon, along E Summit Road, ca. 0.1 mi. inland from gate at Wrigley Memorial. 305 Comment
  POM243856  Lathyrus vestitus subsp. alefeldii F. R. Fosberg 1931-5-6 S- 4806 Los Angeles Santa Catalina Island. Cape Canyon. 10 Comment
  RSA405667  Lathyrus vestitus subsp. laetiflorus E. S. Spalding 1923-2-3 s.n. Los Angeles Laurel Canyon Comment
  RSA651068  Lathyrus vestitus subsp. vestitus Paul M. Inman 1983-5-8 50883 -22 Los Angeles Big Santa Anita Canyon in the Angeles National forest, San Gabriel Mountains, about 1 miles north of Arcadia. From east facing ridge. On upper Creek Trail leading to Hoegee's camp. 915 Comment
  SD69558  Lathyrus vestitus var. alefeldii Robert F. Thorne 1966-4-28 36205 Los Angeles Santa Catalina Island, Pebbly Beach Canyon, dry rocky slope along the road to Renton Mine 244 Comment
  UC864436  Lathyrus vestitus var. alefeldii F. R. Fosberg 1931-5-6 S 4803 Los Angeles Cape Canyon Santa Catalina Island 220 Comment
  UCSB43445  Lathyrus vestitus var. alefeldii Morales, M. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road, 0.25 miles from its junction with Avalon Canyon Road, Santa Catalina Island 167 Comment
  SD82901  Lathyrus vestitus var. vestitus Gary D. Cromwell, David W. Wheat 1971-4-16 510 Los Angeles San Gabriel Mountains, Angeles National Forest, Mystic Canyon, 2 miles NE of Glendora; NW-facing slope, upper canyon ca. 3 meters above canyon bottom (creek bed) Comment
  SD90476  Lathyrus vestitus var. vestitus Robert F. Thorne 1973-4-11 42850 Los Angeles San Clemente Island, middle portion of Norton Canyon, weedy canyon bottom 274 Comment
  UC871227  Lavatera assurgentiflora subsp. assurgentiflora I. W. Clokey and B. C. Templeton 1936-5-18 5664 Los Angeles Puddingstone Reservoir Comment
  UCR206503  Lavatera cretica A. C. Sanders, T. B. Salvato 2009-5-20 36860 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  OBI15838  Layia glandulosa Valera Brinson, Isabelle Tavares 1962-4-16 273 Los Angeles Near Palmdale, 2.7 mi E of hwy 6, on hwy connecting with Angeles Crest hwy (hwy 2) Comment
  UC913066  Layia glandulosa David D. Keck 1935-3-18 3021 Los Angeles 2 mi e El Monte; San Gabriel River 91 Comment
  SJSU11657  Layia pentachaeta subsp. albida C. J. Osier 1962-4-20 Los Angeles 15 mi NE of Lancaster Comment
  SBBG17772  Layia platyglossa P. H. Raven 1962-4-10 17237 Los Angeles gully to W side of island about 1.5 mi N of Thirst 457 Comment
  UCD133994  Layia platyglossa Daryl Koutnik; Vickie Dawes 1978-4-20 386 Los Angeles North Hollywood at the intersection of Laurel Canyon Blvd. and Stagg Street. 243 Comment
  UCD134017  Layia platyglossa Kenneth A. Wilson 1961-4-10 1142 Los Angeles Santa Susana Mountains. Southern arm of Bee Canyon-Mission Point (or Peak) area. 762 Comment
  UCR258764  Layia platyglossa R. G. Swinney 2010-6-1 13129 Los Angeles San Gabriel Mountains, lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  UCR274094  Layia platyglossa Steven A. Junak 1999-5-20 SCa- 931 Los Angeles Channel Islands, Santa Catalina Island, ridge between Cottonwood and Escondido Canyons, on south side of Cottonwood-Black Jack Road, c. 0.6 mile up from reservoir 256 Comment
  UCD133990  Layia platyglossa Daryl Koutnik; Vickie Dawes 1978-4-7 333 Los Angeles west side of Sierra Highway just north of Pearblossom Highway. 914 Comment
  UCD85248  Lepechinia fragrans Christopher Michael Bronny 2010-6-8 25 Los Angeles Los Angeles County; Central portion of Glendora Fuelbreak; San Gabriel Mountains. 600 Comment
  UCR147784  Lepechinia fragrans Valerie Soza, Et al. 2000-7-7 1059 Los Angeles San Gabriel Mountains, above Henninger Flats, along Mt. Wilson Road (FSR 2N45.2) 915 Comment
  UCR94674  Lepidium dictyotum var. dictyotum A. C. Sanders, E. J. Lott 1993-5-6 13995 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  RSA752455  Lepidium didymum Justin M. Wood 2009-4-22 518 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  CAS-BOT-BC89304  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  UCR41732  Lepidium lasiocarpum G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  POM246460  Lepidium nitidum F. R. Fosberg 1931-4-15 4638 Los Angeles Eagles Nest, Middle Ranch Canyon Santa Catalina Island 210 Comment
  RSA0042308  Lepidium nitidum var. nitidum Mark L. Hoefs, Steven A. Junak 2000-4-14 3073 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor. 469 Comment
  RSA595739  Lepidium pinnatifidum L. C. Wheeler 1945-8-25 6100 Los Angeles Alhambra. West Main Street. Comment
  SBBG133345  Lepidium strictum S. C. white, J. Green 2004-4-23 10229 Los Angeles Arroyo Seco at La Loma Rd bridge crossing; Pasadena 213 Comment
  CAS-BOT-BC12983  Lepidium virginicum Ramsay Mar. 20 s.n. Los Angeles Foothills. Rubio Canyon. Comment
  IRVC26467  Lepidium virginicum A. C. Sanders, Mark Elvin, et al. 2003-3-5 25708 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  JEPS53769  Lepidium virginicum Ernest Braunton Mar 1903 840 Los Angeles Playa del Rey Comment
  LA202574  Lepidium virginicum var. pubescens Peter H. Raven; 1960-5-21 15391 Los Angeles Santa Monica Mountains, Tuna Canyon, 2.3 mi N of Pacific Coast Hwy 304 Comment
  RSA429657  Lepidium virginicum var. pubescens F. R. Fosberg 1930-6-26 3024 Los Angeles Lower Ballona Creek. 10 Comment
  SD181637  Lepidium virginicum var. pubescens V. Soza, LeRoy Gross 2001-4-18 1134 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 fire area, between Little Santa Anita and Santa Anita Canyons. 732 Comment
  UC216493  Lepidium virginicum var. pubescens A. J. McClatchie 1893-4-10 Los Angeles near Pasadena Comment
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Dec 9 2010
  RSA429662  Lepidium virginicum var. pubescens E. S. Spalding 1922-12-1 s.n Los Angeles Wet places, near Glendale Comment
  UCR100066  Leptodactylon californicum R. G. Swinney 1969-4-2 317 Los Angeles Western Transverse Range; Santa Monica Mtns., 3 mi south of Calabasas, north of Mulholland Hwy 488 Comment
  UCR61087  Leptodactylon californicum R. G. Swinney 1969-4-2 317 Los Angeles Western Transverse Range; Santa Monica Mtns., 3 mi south of Calabasas, north of Mulholland Hwy 488 Comment
  RSA317204  Leptosiphon breviculus Michael C. Long, J. E. Long 1974-4-20 s.n. Los Angeles Punchbowl County Park, SW of Headquarters Comment
  RSA612151  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, Kent Hughes 1998-5-5 10180 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1158 Comment
  SD231198  Leptosyne bigelovii Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 50506 6 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SFV3850  Leptosyne bigelovii P. G. Kilburn 1958-4-12 731 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  RSA0119006  Leptosyne calliopsidea A. C. Sanders 2007-4-13 33402 Los Angeles Tehachapi Mtns. Foothills: southeast of National Cement Plant, along creek just below Kern Co. line. 1006 Comment
  CAS-BOT-BC339291  Lessingia glandulifera var. glandulifera W. R. Dudley; F. H. Lamb 1896-6-4 4307 Los Angeles Lancaster Comment
  JEPS52197  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1966-9-8 12787 Los Angeles Castaic Valley; San Emigdio Range and Mt. Pinos 1188 Comment
  PASA1691  Lessingia lemmonii Frank W. Peirson 1928-9-5 Los Angeles Road from Rock Creek to Big Pines, San Gabriel Mts. 1280 Comment
  RSA645579  Leymus cinereus A. C. Sanders, E. J. Lott 1993-5-6 13967 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F''., (34 deg 45'N, 118 deg 09'W; [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 701 Comment
  POM352204  Leymus triticoides A. Chase 1930-4-26 S- 3008 Los Angeles Los Angeles. Culver gargen. Comment
  RSA729356  Lilium humboldtii Richard G. Swinney 1999-6-25 7397 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  RSA682715  Lilium humboldtii subsp. ocellatum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1106 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
  CAS-BOT-BC226752  Linanthus californicus Henry J. Thompson 1959-3-27 1879 Los Angeles Santa Monica Mountains. Saddle Peak 670 Comment
  CAS-BOT-BC226763  Linanthus californicus Marcus E. Jones 1882-5-2 3209 Los Angeles Pasadena Comment
  LA52334  Linanthus californicus George A. Schaefers; 1953-5-16 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 304 Comment
  LA81941  Linanthus californicus O. H. Kappler; 1941-2-2 76 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM230717  Linanthus californicus I. W. Clokey, B. C. Templeton 1936-5-18 6805 Los Angeles San Gabriel Canyon. Comment
  CATA486  Linanthus dianthiflorus Sara L. Crockett, Mark Hoefs, Steve Junak, Janet Takara 1997-3-28 628 Los Angeles Santa Catalina Island: N side of Cherry Harbor, overlooking harbor, 50 - 60 m upslope 74 Comment
  LA52343  Linanthus dianthiflorus Carl Epling; 1933-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  UCR153584  Linanthus dichotomus A. C. Sanders 2005-5-11 30191 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  SEINET7072890  Linanthus parryae 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
  UC23770  Linanthus parviflorus J. Burtt Davy May 9 1896-May 24 1896 2338 A Los Angeles near Fort Tejon; Antelope Valley Comment
  RSA729878  Linanthus pungens R. G. Swinney 1998-9-7 6925 Los Angeles Pine Mountain Ridge, c. 1/4 mi. west of summit of Pine Mountain. 2817 Comment
  RSA187927  Linaria canadensis var. texana Robert F. Thorne 1966-4-29 36277 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. 213 Comment
  RSA276348  Linaria canadensis var. texana David S. Verity 1973-3-22 s.n. Los Angeles Westchester. Comment
  CHSC25079  Lithophragma bolanderi L. M. Mayer; I. J. Mayer 1974-4-6 136 Los Angeles 1/2 mi e of Tapia Park- Malibu Canyon/Las Virgenes Rd. ca. 50 yds n of roadside. Comment
  RSA721486  Lithophragma bolanderi R. G. Swinney 1995-4-4 3481 Los Angeles Glendora. Ridge overlooking S end of Mystic Canyon at Big Dalton Canyon 451 Comment
  LA202600  Lobelia dunnii var. serrata J. A. Ewan; 1929-8-17 3453 Los Angeles Santa Monica Mountains, lower Trancas Canyon 6 Comment
  UCR220239  Lobularia maritima R. G. Swinney 2009-4-13 10333 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
  SEINET10481377  Lobularia maritima David B. Dunn 1947-7-20 Dunn 2987 Los Angeles Collected at 316 n. Ave. Comment
  SBBG117117  Logfia arizonica S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1517 Los Angeles main rd between Airport and Little Harbor 121 Comment
  SBBG31421  Logfia filaginoides R. F. Thorne 1966-4-5 35851 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SBBG98054  Logfia filaginoides T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5216 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  POM356949  Lolium perenne subsp. multiflorum F. R. Fosberg 1930-6-26 S- 3004 Los Angeles Culver Garden. 15 Comment
  RSA747003  Lolium perenne subsp. perenne R. G. Swinney 2003-5-12 8206 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, drainage near Big Cienega Spring, S fork of upper Pavil Canyon 640 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
  SBBG59718  Lomatium dasycarpum subsp. dasycarpum R. Hoffmann 1931-5-4 Los Angeles north Bouquet Cyn Comment
  UC1400374  Lomatium dasycarpum subsp. dasycarpum Robert F. Thorne 1971-3-31 41438 Los Angeles n. of Mountain Ave. Claremont (Johnson's Pastures); San Gabriel Mts., , Johnson's Pastures 548 Comment
  RSA0119539  Lomatium lucidum R. G. Swinney 2014-5-19 16564 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  UCR191270  Lomatium nevadense R. G. Swinney 1998-7-2 6206 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA659927  Lomatium nevadense var. parishii Orlando Mistretta 1992-5-18 339 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR56409  Lomatium utriculatum S. J. Myers, E. LaRue 1989-3-21 s.n. Los Angeles Western Mojave Desert, Palmdale area, Elizabeth Lake Road at California Aqueduct 887 Comment
  CAS-BOT-BC234814  Lonicera subspicata Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  RSA670036  Lonicera subspicata Joseph M. Keefe 2001-1-19 30920 Los Angeles 15 meters north of begninging of the Eagle Rock Park path along east side of Sholl Canyon Road opposite of driveway to 7685 Sholl Canyon Road, 100 meters north of Figueroa Street, Eagle Rock 90041. 284 Comment
  RSA406753  Lotus argophyllus subsp. ornithopus F. R. Fosberg 1931-5-6 S- 4789 Los Angeles Santa Catalina Island. Cape Canyon, mouth. 200 Comment
  RSA406779  Lotus corniculatus N. C. Cooper 1945-5-1 2182 Los Angeles Santa Monica Mountains 762 Comment
  UC1129243  Lotus crassifolius var. crassifolius Jerome S. Horton 1935-7-18 229 Los Angeles Sunset Peak Cucamonga Quad. 1676 Comment
  RSA3596  Lotus dendroideus var. dendroideus C. B. Wolf 1932-5-13 3613 Los Angeles Santa Catalina Island. Lower end of Hamilton Canyon, at turn of road to airport. 30 Comment
  RSA678126  Lotus hamatus Valerie L. Soza, LeRoy Gross 2001-5-22 1244 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (ca. 100 feet below). 473 Comment
  RSA709609  Lotus humistratus A. C. Sanders, A. Thompson 2003-4-15 25986 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA406122  Lotus nevadensis var. davidsonii M. B. Dunkle 1933-7-11 3640 Los Angeles Upper San Gabriel Canyon above dams. Cold Brook camp. Comment
  SEINET10450490  Lotus oblongifolius David B. Dunn 1955-5-6 Dunn 11853 Los Angeles Collected in stoddard canyon below th eofrk in rd in san antonion canyon. About 1.25 Yrs after the fire went through striping the chaparralout. A few of the Sycamores had a narrow strip of cambium sruvive on the down canyon side. Live Oaks resprouting from many branches. Shrubs stumbp sprouting and an abundance Of herbaceous species. Comment
  RSA406208  Lotus oblongifolius var. oblongifolius F. R. Fosberg 1931-8-15 S 5544 Los Angeles Big Cienega , pine Flats, N. fork San Gabriel River 2000 Comment
  RSA592300  Lotus oblongifolius var. oblongifolius L. C. Wheeler 1967-5-13 9523 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 259 Comment
  RSA729872  Lotus procumbens var. procumbens R. G. Swinney 1999-6-5 7246 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  UC1871340  Lotus procumbens var. procumbens T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3977 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
  UC69572  Lotus procumbens var. procumbens J. Burtt Davy May 9 1896-May 24 1896 2312 Los Angeles Llano Verde Antelope Valley Comment
  UCR229129  Lotus purshianus Dan S. Cooper 2011-5-10 511- 74 A Los Angeles San Gabriel Valley, San Gabriel, NE corner of South Arroyo Dr. and West Santa Anita Ave., near San Gabriel Mission 128 Comment
  RSA781214  Lotus salsuginosus R. G. Swinney 2009-3-31 10224 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  UC1349363  Lotus salsuginosus Robert F. Thorne 1966-4-5 35856 Los Angeles Cottonwood Canyon Santa Catalina Island 106 Comment
  UC864885  Lotus salsuginosus Ira W. Clokey, B. Templeton 1929-3-1 4517 Los Angeles Mandeville Canyon Santa Monica Canyon 350 Comment
  UCR127651  Lotus salsuginosus A. C. Sanders, Mark Elvin 2002-6-20 25219 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR155116  Lotus salsuginosus A. C. Sanders 2005-5-5 29909 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  RSA406815  Lotus salsuginosus var. salsuginosus C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  UCR78089  Lotus salsuginosus var. salsuginosus David Charlton 1991-7-5 5502 Los Angeles San Gabriel Mtns., Lake Hughes Road, south of Castaic Lake, l mi. [NE] of Visitor Center 400 Comment
  JEPS55866  Lotus strigosus F. W. Peirson 1918-6-4 97 Los Angeles e of Rubio Canyon; San Gabriel Mts. 609 Comment
  POM1924  Lotus strigosus C. F. Baker 1904-2-17 4003 Los Angeles Claremont Comment
  UC535350  Lotus strigosus Ira W. Clokey, B. Templeton Jul 1929 4576 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  UC56563  Lotus strigosus Miss E. D. Palmer before Feb 1902 Los Angeles Los Angeles Comment
  RSA523162  Lotus strigosus T. S. Ross 1991-2-23 4106 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  RSA596819  Lotus strigosus var. strigosus T. S. Ross, J. Mark Porter 1995-5-4 8463 B Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA728785  Lupinus Gary D. Wallace 1979-4-19 1678 Los Angeles Mojave Desert, W of Palmdale, N of Elizabeth Lake near north end of Munz Ranch Road. Comment
  UCR149900  Lupinus R. G. Swinney 1999-6-18 7317 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  RSA726045  Lupinus andersonii R. G. Swinney 1997-6-25 5643 Los Angeles San Gabriel Mountains: southwest of Wrightwood, Blue Ridge ca. 0.5 mi. W of Guffy Camp, Forest Service Rd. 3N06, ca. 5.1 miles east of Hwy 2. 2518 Comment
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May 3 2010
  SEINET10837830  Lupinus arboreus David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6846 x 6456 Comment
  RSA496673  Lupinus benthamii var. benthamii A. C. Sanders, E. J. Lawlor 1988-4-3 7749 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  RSA772400  Lupinus bicolor R. G. Swinney 2009-5-12 10727 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge and Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  UCR187250  Lupinus bicolor A. C. Sanders 2006-4-18 32117 Los Angeles Tehachapi Mtns. Foothills, hills south of Oso Canyon on the west side of the Cement Plant Rd., c. 0.75 mile north of Quail Lake 1067 Comment
  SBBG14245  Lupinus bicolor M. A. Piehl 1962-6-9 62320 Los Angeles head of cyn below Chenity and S of Mosquito Cove 304 Comment
  RSA593445  Lupinus bicolor subsp. marginatus Steve Boyd 1996-4-24 8646 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  SD90545  Lupinus concinnus Robert F. Thorne 1973-4-11 42797 Los Angeles San Clemente Island; plateau in Middle Ranch area at head of Middle Rancy Canyon. 427 Comment
  CAS-BOT-BC205153  Lupinus elatus Victor Duran 1933-7-26 3535 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCR102534  Lupinus excubitus George K. Helmkamp 1997-3-6 1353 Los Angeles Western Mojave Desert, west of Lancaster along Lancaster Rd, just south of California Poppy Preserve 793 Comment
  SEINET10485295  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA 6226 x 6457 (pl 2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  POM2499  Lupinus excubitus var. johnstonii I. M. Johnston 1917-6-20 1491 Los Angeles San Antonio Mountains: Baldy Lookout of U.S.F.S. 1982 Comment
  UCSB3339  Lupinus formosus Ballard 1954-3-20 Los Angeles In Padua Hills; near Claremont Comment
  UCR132620  Lupinus formosus var. robustus June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, proposed poppy park [north of Lancaster Road, Antelope Buttes area], Antelope Valley 976 Comment
  RSA535694  Lupinus guadalupensis T. S. Ross 1991-5-22 5451 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  CATA587  Lupinus hirsutissimus Mark L. Hoefs 1991-4-7 1026 Los Angeles Santa Catalina Island: Upper Avalon Canyon, south-west of Divide Road 377 Comment
  RSA611064  Lupinus latifolius subsp. latifolius L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mountains: Little Fish Fork, Fish Fork Camp. 2012 Comment
  POM68318  Lupinus latifolius subsp. parishii Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  JEPS65273  Lupinus latifolius var. parishii Frank W. Peirson 1919-6-5 464 Los Angeles San Antonio Canyon; San Gabriel Mts., San Antonio Canyon 1341 Comment
  CAS-BOT-BC211683  Lupinus longifolius S. F. Blake 1910-8-5 572 Los Angeles Elysian Park Comment
  LA33934  Lupinus longifolius Peter H. Raven; 1959-5-3 12070 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  RSA413766  Lupinus longifolius Geo. L. Moxley 1914-2-4 203 Los Angeles Hills NW from Highland Park Comment
  RSA653926  Lupinus longifolius Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1033 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. 822 Comment
  UCR240250  Lupinus longifolius Dan S. Cooper 2012-2-14 212- 12 Los Angeles Los Angeles Basin, open area between Allesandro St. and Peru St., near intersection of the 2 & I-5 freeways 163 Comment
  UCSB3310  Lupinus longifolius Ellis, Richard 1960-4-11 Los Angeles Malibu Canyon Road 1.5 miles north of Highway 101 Comment
  RSA91269  Lupinus longifolius F. W. Peirson 1921-4-10 2475 Los Angeles Sycamore Flat Ridge, San Dimas region, San Gabriel Mts 854 Comment
  HSC104226  Lupinus microcarpus R. G. Swinney 2009-4-24 10439 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA497244  Lupinus microcarpus var. densiflorus L. C. Wheeler 1967-5-18 9618 Los Angeles Placerita Canyon 518 Comment
  SFV19154  Lupinus odoratus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2003-5-12 194 .1 Los Angeles Mojave Desert Alpine Butte. 850 Comment
  PASA1672  Lupinus odoratus Stason 1930-5-11 Los Angeles Lovejoy Buttes Comment
  RSA708555  Lupinus succulentus Valerie L. Soza, LeRoy Gross 2001-5-9 1197 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  POM2551  Lupinus succulentus L. R. Abrams 1901-04 1356 Los Angeles Santa Monica Mountains Comment
  RSA414312  Lupinus succulentus Anstruther Davidson 1890-03 s.n. Los Angeles Los Angeles - Foothills. Comment
  RSA414318  Lupinus succulentus I. M. Johnston, John P. Hill 1933-3-22 17109 Los Angeles Whites Pt San Pedro Comment
  UCR231800  Lupinus truncatus Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  UCR57213  Lupinus truncatus R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 1 mi. east of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  RSA747678  Luzula comosa var. laxa R. G. Swinney 2001-9-15 8136 Los Angeles Lily Spring, N slope of Mt. Hawkins , 7.5 air miles W SW of Wrightwood, 2561 Comment
  LA209684  Lycium cooperi A. M. Johnson; 1932-4-17 3939 Los Angeles 10 mi W of Palmdale Comment
  RSA0110800  Lycium cooperi R. G. Swinney 2011-4-20 14443 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1220 Comment
  RSA150684  Lyonothamnus floribundus subsp. aspleniifolius Peter H. Raven 1962-5-9 17682 Los Angeles Near head of canyon above Mosquito Cove, San Clemente Island. 274 Comment
  RSA248875  Lyonothamnus floribundus subsp. aspleniifolius Robert F. Thorne 1973-4-12 42966 Los Angeles Large canyon S of Mosquito Cove N of Chenity; San Clemente Island. 274 Comment
  RSA23578  Lyonothamnus floribundus subsp. floribundus Percy C. Everett 1939-8-22 9536 Los Angeles Santa Catalina Island. East slope of Blackjack Peak in Swain's Canyon. 457 Comment
  RSA589870  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8199 Los Angeles Santa Catalina Island. Upper ''Little Geiger'' first blue-line drainage W of Cherry Canyon and Lion Head (un-nnamed on topo map). 143 Comment
  RSA597453  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  POM158111  Lythrum californicum L. R. Abrams 1902-8-8 2962 Los Angeles Ballona Creek near Mesmer Comment
  RSA737272  Madia elegans Scott D. White, Chris Huntley 2008-9-30 12542 Los Angeles San Gabriel Mountains: Mt Gleason 1982 Comment
  SD248341  Madia elegans subsp. elegans Mitch Provence, Callen Huff 2009-4-29 10683 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec; ridge overlooking Interstate 5., ca. 0.6 mile north of Gorman. 1000 Comment
  UCR95504  Madia elegans subsp. elegans Steve Boyd, M. Elvin, Victoria Jotikasthira 1996-6-25 8883 Los Angeles San Gabriel Mtns., along summit of Liebre Mtn, east of the head of Bear Canyon, at the intersection of dirt track leading to Bear Camp and 7N23 1646 Comment
  CAS-BOT-BC343064  Madia gracilis P. A. Munz; R. D. Harwood 1920-5-17 3971 Los Angeles Topango [Topanga] Canyon, Santa Monica Mts. 152 Comment
  POM21162  Madia gracilis Fordyce Grinnell Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  UC57422  Madia sativa J. H. Barber 1898-7-24 Los Angeles Sepulveda Canyon Comment
  RSA729429  Maianthemum stellatum Richard G. Swinney 1998-7-14 6428 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  CAS-BOT-BC203922  Malacothamnus clementinus Frank W. Peirson 1923-4-9 3458 Los Angeles N. slope canon [canyon] at Lemmon [Lemon] Tank, San Clemente Is. Comment
  CAS-BOT-BC230900  Malacothamnus davidsonii Dr. A. Davidson No date on label 1895 Los Angeles Near Los Angeles Comment
  POM263063  Malacothamnus davidsonii J. C. Roos 1937-7-7 331 Los Angeles Near San Fernando Comment
  CAS-BOT-BC206215  Malacothamnus fasciculatus Peter H. Raven 1962-5-22 17852 Los Angeles Hillside of canyon about 3 miles below Middle Ranch, Santa Catalina Island Comment
  RSA0053895  Malacothamnus fasciculatus R. G. Swinney 2010-2-27 11771 Los Angeles San Gabriel Mountains/ Verdugo Mountains: Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east and from the I-210 Fwy. south to Big Tujunga wash. 331 Comment
  SBBG95178  Malacothamnus fasciculatus var. catalinensis M. B. Dunkle 1928-5-20 1966 Los Angeles Middle Ranch Cyn; bank below Eagle Nest Rock Comment
  SBBG17364  Malacothamnus fasciculatus var. fasciculatus M. Vincent 1962-7-18 264 Los Angeles Mulholland Hwy, 2 mi W of Old Topanga Cyn turnoff Comment
  RSA737841  Malacothamnus fremontii LeRoy Gross, Duncan S. Bell 2008-5-27 3423 Los Angeles East of Mill Creek, and Angeles Forest Highway. Southwest of Mill Creek summit. Along Road (4N18.1). 1402 Comment
  UCR146212  Malacothamnus fremontii Scott D. White 2004-8-11 10705 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  CAS-BOT-BC206374  Malacothamnus fremontii John Thomas Howell 1931-6-6 6672 Los Angeles Sandberg's Tehacahpi Mts. Comment
  UC961416  Malacothamnus marrubioides John Thomas Howell 1950-11-9 27485 Los Angeles 12 mi n Castaic 609 Comment
  SBBG98332  Malacothrix clevelandii Anstruther Davidson -Jul-1893 Los Angeles Switzers Camp Comment
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Mar 31 2015
  POM362278  Malacothrix coulteri Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster Comment
  RSA150912  Malacothrix foliosa P. H. Raven 1962-5-8 17625 Los Angeles Near western shore of island, opposite Wilson Cove, San Clemente Island. 46 Comment
  RSA233408  Malacothrix foliosa R. F. Thorne 1966-4-15 35998 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove). 76 Comment
  JEPS26039  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1960-8-28 60085 Los Angeles e slope Coldwater Canyon; Santa Monica Mts. 335 Comment
  OBI35597  Malacothrix saxatilis var. tenuifolia Rebecca Cicoria 1981-5-17 34 Los Angeles 1/2 mi from Fire Station along Burma Trl, Rolling Hills Comment
  RSA596277  Malacothrix saxatilis var. tenuifolia R. G. Swinney 1989-5-12 s.n. Los Angeles In and near Glendora Wilderness Park. Firebreak on west boundary of the park, east of Colby fire road, 200 yards south of Glendora Mountain Road. 488 Comment
  CAS-BOT-BC348000  Malacothrix sonchoides A. D. E. Elmer 1902-6-1 3986 Los Angeles Lancaster Comment
  CAS-BOT-BC167850  Malosma laurina S. Y. Parnay Mar. s.n. Los Angeles Unspecified Comment
  RSA503438  Malus sylvestris Louis C. Wheeler 1966-11-27 9164 Los Angeles San Gabriel Mountains: North side Mt. Sally, headwaters of Upper Big Tujunga Canyon by Angeles Crest Hwy, c. 1 mile east Shortcut Picnic Grounds. 1524 Comment
  RSA434873  Malva nicaeensis P. A. Munz 1923-4-7 s.n. Los Angeles Claremont. Comment
  UCR187254  Marah fabacea A. C. Sanders 2006-4-21 32130 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  LA200398  Marah macrocarpa Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1969-3-17 4399 Los Angeles Santa Monica Mountains, Upper Rustic Canyon 76 Comment
  LA200402  Marah macrocarpa A. M. Johnson; 1928-2-16 2797 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA0031677  Marah macrocarpa Donna Kenyan 1969-5-1 1 Los Angeles Tujunga wash. 457 Comment
  RSA0119799  Marah macrocarpa R. G. Swinney 2014-5-15 16518 Los Angeles San Gabriel Mountains; Azusa Peak, 0.06 miles s. of Glendora Ridge Mtwy., 1.34 mi. due east of Hwy. 39, 0.15 miles e. of north Garcia Trailhead, in Colby Fire burn area of Jan. 2014. 625 Comment
  RSA440962  Marah macrocarpa M. B. Dunkle 1928-11-19 2031 Los Angeles Gallager 's, Santa Catalina Island. Comment
  SFV21019  Marah macrocarpa L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 698 b Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. South side of slope at saddle of Verdugo Motorway and Brand Park Motorway on the crest of mountains. 823 Comment
  POM254550  Marah macrocarpa J. D. Laudermilk 1940-4-24 s.n. Los Angeles Wash in brush, on Monte Vista N of Foothill Blvd., Claremont. Comment
  POM296441  Marah macrocarpa Lyman Benson 1945-3-16 11611 Los Angeles Claremont, Pacific slope drainage area. 351 Comment
  RSA4562  Marah macrocarpa P. A. Munz 1915-4-6 2056 Los Angeles Claremont, CA. 366 Comment
  SFV18456  Marah macrocarpa S. Haennelt May 1976 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park., west section. Comment
  POM4566  Marah macrocarpa var. macrocarpa C. F. Baker 1909-2-15 5243 Los Angeles Mountains near Claremont Comment
  RSA584507  Marah macrocarpa var. major Tim Ross 1992-4-14 1610 Los Angeles San Clemente Island. Eastern escarpment just inside the mouth of Nanny Canyon before it opens onto a sloping terrace and flows northward. 168 Comment
  CHSC26278  Marrubium vulgare E. Ryel 1967-3-20 15 Los Angeles Whittier, east of San Gabriel Freeway; Rose Hills. 304 Comment
  RSA657435  Marrubium vulgare Joseph M. Keefe 2001-1-19 30997 Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 Comment
  RSA651645  Marrubium vulgare A. E. Hersh 1950-6-27 s.n. Los Angeles Faculty Hill UCLA. 61 Comment
  CAS-BOT-BC422740  Meconella denticulata John Thomas Howell 1928-4-18 3726 Los Angeles N. side of Griffith Park Comment
  POM148419  Meconella denticulata C. F. Baker 1904-4-2 4755 Los Angeles Hills near Claremont. Comment
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Jun 3 2012
  SBBG70080  Meconella denticulata M. N. Ackley -Apr-1922 773 Los Angeles Verdugo Hills, Glendale Comment
  LA82119  Medicago lupulina Elizabeth Levine; 1944-6-23 Los Angeles West Los Angeles Comment
  UCD107827  Medicago polymorpha Beth Greenhalgh 1993-3-19 22 Los Angeles Santa Monica Mtns., Malibu, at S end of 29716 Baden Pl. 15 Comment
  PASA197  Medicago sativa Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  CAS-BOT-BC281527  Melica imperfecta W. A. Silveus 1938-6-18 7783 Los Angeles Mt Wilson Comment
  RSA679918  Melica imperfecta LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 927 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  UCR281373  Melica imperfecta R. G. Swinney 2014-5-19 16590 Los Angeles San Gabriel Mountains, Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., 0.4 mile SSE of Glendora Ridge Motorway 622 Comment
  CLARK-A1528-4736  Melica stricta John C. Roos 1937-5-31 611 Los Angeles San Gabriel Mountains Comment
  RSA660179  Melica stricta Orlando Mistretta 1992-5-25 428 Los Angeles Fenner Canyon Conservation Camp 1738 Comment
  RSA0112057  Melilotus indicus Richard G. Swinney 2011-3-29 14264 Los Angeles San Gabriel Mts.: Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA188230  Melilotus indicus Robert F. Thorne, Percy C. Everett 1965-6-22 34911 Los Angeles Santa Catalina Island, above Avalon. 152 Comment
  RSA0064524  Melilotus indicus J. Lockyer 1970-5-1 F- 5 Los Angeles Collected at Firestone Scout Ranch, 3 miles northeast of Brea. 304 Comment
  UCSB3449  Melilotus indicus Albright, S. 1957-5-7 Los Angeles Sepulveda Canyon 91 Comment
  RSA782210  Melilotus officinalis R. G. Swinney 2009-8-25 11496 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UC150059  Mentha X piperita LeRoy Abrams 1902-8-26 2978 Los Angeles Ballona Creek Mesmer; Ballona Creek Comment
  POM187771  Mentha canadensis Thomas Craig 1933-10-9 2011 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  RSA409914  Mentha canadensis L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  RSA782214  Mentha spicata R. G. Swinney 2009-8-25 11491 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR177518  Mentha suaveolens Scott D. White 2003-7-31 9718 Los Angeles Transverse Ranges; San Gabriel Mountains region, Tujunga area. Big Tujunga Wash south of the I-210 freeway. S terminus of Christy Ave. 329 Comment
  SEINET215761  Mentzelia albicaulis Unknown 1974-4-4 7623 Los Angeles Mojave Des; Antelope Valley, just north of Lovejoy Buttes, 18 airline miles east-southeast of sowntown Lancaster. 823 Comment
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Jan 1 2019
  UCR206268  Mentzelia dispersa R. G. Swinney 2008-6-10 8998 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
  RSA578278  Mentzelia gracilenta Tim S. Ross, Steve D. Boyd 1994-5-4 7641 Los Angeles Liebre Mountains, San Francisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit 1055 Comment
  POM188391  Mentzelia jonesii P. A. Munz, T. Craig 1933-5-13 12934 Los Angeles 12 miles south of Munroc. Comment
  JEPS42750  Mentzelia micrantha Frank W. Peirson 1921-6-20 2465 Los Angeles San Gabriel Mountains,North Fork San Gabriel River 914 Comment
  LA33785  Mentzelia micrantha Peter H. Raven; 1959-5-9 14170 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UCR9811  Mentzelia micrantha Marsha Silverthorn 1971-5-21 s.n. Los Angeles San Gabriel Mtns., Camp Baldy Road- Mountain Road Comment
  RSA609060  Mentzelia micrantha Louis C. Wheeler 1931-4-8 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon.. 610 Comment
  RSA772374  Mentzelia veatchiana R. G. Swinney 2009-5-12 10736 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  CAS-BOT-BC435248  Mesembryanthemum crystallinum Nell Murbarger 1936-3-1 97 Los Angeles San Clemente Island. South and west sides of island Comment
  CAS-BOT-BC438128  Mesembryanthemum nodiflorum Herman Knoche 1919-7-4 Series A, No. 1013 Los Angeles S. Clemente Island, Smugglers Cove Comment
  RSA402635  Mesembryanthemum nodiflorum F. H. Elmore 406 Los Angeles San Clemente Island. Comment
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May 16 2008
  CAS-BOT-BC428715  Micranthes californica P. A. Munz; L. Street; G. Williams 1919-4-5 2439 Los Angeles Puddingstone Canyon, San Dimas 274 Comment
  LA209012  Micranthes californica Zaitlin; 1951-3-17 Los Angeles San Gabriel Mountains, Angeles Crest Highway S side 761 Comment
  LA33768  Micropus californicus var. californicus Peter H. Raven; Henry J. Thompson 1959-5-5 14132 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1), Malibu Creek drainage Comment
  UCR67655  Micropus californicus var. californicus L. C. Wheeler 1967-5-8 9304 Los Angeles San Gabriel Mtns, foothills NW of Saugus 396 Comment
  UCR232523  Microseris douglasii subsp. douglasii Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 8012 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, c. 100 m east of Sierra Highway, 190 m west of 10th St, 535 m north of Ave C and one km south of Ave B 704 Comment
  RSA562422  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-4-15 2314 Los Angeles In the Puente Hills, approx. 274 m. NW of Pomona peak. The site is located some 1220m W of the intersection of the Pomona freeway and Chino Hills Parkway. 381 Comment
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Nov 7 2010
  POM362545  Microseris elegans H. E. Hasse 1889-05 2042 Los Angeles Santa Monica. Comment
  POM6705  Microseris lindleyi L. T. Street, G. Williams 1919-4-5 2427 Los Angeles Puddingstone Canyon, San Dimas Comment
  RSA616372  Microseris lindleyi Scott D. White, Pam DeVries 1998-4-20 6329 Los Angeles Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  UCR125497  Microseris lindleyi A. C. Sanders, Mark Elvin 2003-4-14 25974 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  POM6863  Microsteris gracilis subsp. gracilis P. A. Munz, L. T. Street, G. Williams 1919-3-8 2297 Los Angeles Pomona. Comment
  CATA1003  Mimulus aurantiacus Mark L. Hoefs 1994-7-18 1884 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  RSA68346  Mimulus aurantiacus Verne Grant 1951-7-13 16081 Los Angeles Along dirt road above end of paved road in San Antonio Canyon. 1982 Comment
  RSA527594  Mimulus aurantiacus var. parviflorus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4421 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  LA105326  Mimulus aurantiacus var. pubescens Barry A. Prigge; 1989-4-23 8440 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  RSA0055982  Mimulus aurantiacus var. pubescens Richard G. Swinney 2010-5-25 12978 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. 659 Comment
  RSA442628  Mimulus aurantiacus var. pubescens R. S. Woglum 1930-5-10 s.n. Los Angeles Western Transverse Ranges: San Fernando Valley. North Hollywood. Comment
  RSA756979  Mimulus aurantiacus var. pubescens R. G. Swinney 2008-6-18 9064 Los Angeles Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  UC885728  Mimulus aurantiacus var. puniceus Ezra C. Knopf 52 Los Angeles Echo Lake Comment
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Mar 15 2006
  UCR200170  Mimulus brevipes Valerie Soza, Laura A. Moore 2000-5-10 855 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  RSA550411  Mimulus cardinalis Tim S. Ross 1992-7-10 6675 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  RSA799904  Mimulus floribundus Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 7 Los Angeles Glendora Ridge Road. 1313 Comment
  UCR270930  Mimulus floribundus R. G. Swinney 2011-5-26 14884 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
  UC184469  Mimulus guttatus A. D. E. Elmer June, 1902 3645 Los Angeles Acton Mt. Gleason Comment
  UC76128  Mimulus guttatus E. D. Palmer 1903-4-30 Los Angeles near Los Angeles Comment
  UCR238630  Mimulus johnstonii Anuja Parikh, Nathan Gale 2010-6-18 3342 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy) 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  SEINET3079729 Image available Mimulus longiflorus David Charlton 1987-1-31 639 Los Angeles Saddle Peak, Santa Monica Mountains. 610 Comment
  UCR203204  Mimulus rubellus R. G. Swinney 2005-5-21 8245 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
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Oct 18 2010
  RSA586478  Minuartia douglasii Orlando Mistretta 1995-6-20 1820 Los Angeles Bare Mountain Canyon. 1829 Comment
  RSA725127  Minuartia douglasii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -65 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  CAS-BOT-BC388657  Minuartia douglasii Frank W. Peirson 1922-6-4 3075 Los Angeles Soledad Pass, north of Vincent 944 Comment
  UCR95444  Mirabilis californica var. californica L. C. Wheeler 1967-4-30 9245 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  RSA771768  Mirabilis laevis R. G. Swinney 2009-5-20 10812 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA585465  Mirabilis laevis var. villosa Tim S. Ross, Steve D. Boyd 1990-5-29 2679 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd, then S of the road 1137 Comment
  SBBG119607  Modiola caroliniana A. C. Sanders 2003-5-1 26287 Los Angeles Irwindale, near boundary of Azusa, S side of Montoya St just E of Irwindale Ave, S of Interstate 210 171 Comment
  UCLA63055  Monardella cinerea Mrs. H. E. Wilder 1905-8-1 1928 Los Angeles near summit Mt. San Antonio Comment
  CAS-BOT-BC349495  Monolopia lanceolata C. G. Pringle 1882-5-12 s.n. Los Angeles Tejon Pass Comment
  UC50096  Monolopia lanceolata Dr. Vogt 1897-1 51 Los Angeles Antelope Valley Comment
  SBBG62244  Mucronea perfoliata R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  CAS-BOT-BC263353  Muhlenbergia appressa Timothy S. Ross; Gery Allan; Mark Elvin 1995-5-21 8598 Los Angeles Head of Chenetti Canyon on the W prong of the trident formed at the top of the longest tributary, 1330 ft. SSE of Rest triangulation point (1336-ft), USGS San Clemente Island South 7.5' Quad., San Clemente Island 361 Comment
  RSA167846  Muhlenbergia microsperma R. F. Thorne, PC Everett 1964-2-7 33483 Los Angeles Middle Canyon, Santa Catalina Island 243 Comment
  SD72831  Muhlenbergia microsperma F. R. Fosberg 1931-4-14 S 4607 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island, by roadside 180 Comment
  UC1922862  Muilla maritima Valerie Soza, Bill Hogshead 2003-4-23 1642 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park, ridgetop between Brand Canyon and Childs Canyon. 640 Comment
  UCR282021  Muilla maritima R. G. Swinney 2014-5-1 16316 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  RSA317216  Muilla maritima Michael C. Long, P. H. Sullivan 1974-5-19 s.n. Los Angeles Deviel s Punchbowl Co. Park, 0.5 mi. N of Parking area. Comment
  UCR101195  Nama californica L. C. Wheeler 1948-6-13 6645 Los Angeles San Gabriel Mtns., Coldwater Canyon, off Big Tujunga [Canyon] 1006 Comment
  RSA421092  Nama californica Anstruther Davidson 1923-06 s.n. Los Angeles [Unspecified] Comment
  RSA678210  Nassella lepida Valerie L. Soza, LeRoy Gross 2001-4-18 1136 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 701 Comment
  RSA595370  Nassella lepida L. C. Wheeler 1967-5-8 9360 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  RSA9683  Navarretia atractyloides L. C. Wheeler 1932-5-19 716 Los Angeles San Gabriel Wash. 107 Comment
  RSA469885  Navarretia atractyloides var. hamata Geo L. Moxley 1915-6-14 348 Los Angeles Vacant lot of E. Ave. 54 nr. Arroyo Seco, Los Angeles Comment
  UC61535  Navarretia hamata Ernest Braunton Jun 1903 891 Los Angeles Glendale to Burbank Comment
  UC76658  Nemacladus longiflorus var. longiflorus unknown May 1902 828 Los Angeles Arcadia Comment
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Jan 7 2015
  RSA587205  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 1995-5-2 1660 Los Angeles San Gabriel Mountains, Carr Canyon. 1036 Comment
  SBBG69606  Nemacladus sigmoideus R. Hoffmann 1929-4-27 Los Angeles near Roosevelt Comment
  UCR184221  Nemophila menziesii A. C. Sanders 2007-4-19 33453 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA729936  Nemophila menziesii var. integrifolia R. G. Swinney, D. W. Larson 1999-6-25 7414 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  UCD120248  Nemophila menziesii var. integrifolia Geoffrey Levin 1974-4-27 47 Los Angeles Evey Canyon, a side canyon of San Antonio Canyon. San Gabriel Mts. Mt. Range. 731 Comment
  RSA608634  Nemophila menziesii var. menziesii Louis C. Wheeler 1931-3-19 s.n. Los Angeles Pomona: Ganesha Heights. Comment
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Feb 16 2007
  RSA0081131  Nemophila spatulata R. G. Swinney 2010-6-1 13102 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  CAS-BOT-BC349863  Nicolletia occidentalis Ira L. Wiggins 1966-4-24 20653 Los Angeles Along Palmdale Boulevard between Street 90 E and Street 150 E, about 15 miles east of Palmdale. Mohave Desert Comment
  RSA184061  Nicolletia occidentalis I. L. Wiggins 1966-4-24 20653 Los Angeles Along Palmdale Boulevard between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mojave Desert. Comment
  RSA578653  Nicolletia occidentalis Timothy S. Ross, J. Mark Porter 1994-5-1 7613 b Los Angeles Southwestern Mojave Desert; open desert along North 240th street East, ca 3700 m NNE of Moody Springs and 3300 m W of the L.A./ San Bernardino county line. 870 Comment
  RSA729842  Nicotiana attenuata R. G. Swinney 1999-6-18 7335 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA80772  Nicotiana attenuata F. W. Peirson 1919-6-14 495 Los Angeles Rock Creek, north slope of San Gabriel Mts. 1524 Comment
  UCR273266  Nicotiana attenuata R. G. Swinney 2011-7-7 15417 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  CHSC1926  Nicotiana glauca E. Thomas 1940-4-13 Los Angeles Claremont. 353 Comment
  POM307173  Nicotiana glauca Henry J. Ramsey, Henry J. Ramsey 1937-8-29 2097 Los Angeles Altadena. 396 Comment
  UCR216852  Nicotiana glauca R. G. Swinney 2009-3-11 10086 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  LA200903  Nicotiana glauca Jonathan Sauer; H. N. Sauer, L. Birindelli, D. Birindelli 1968-11-23 4366 Los Angeles SANTA MONICA MOUNTAINS, Malibu Lagoon and salt marsh Comment
  SEINET6174918  Nicotiana glauca N. K. Berg 1904-4-16 s.n. Los Angeles San Pedro Comment
  SEINET10696864  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3947 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET6945570  Oenothera W. P. Vestal, A. G. Vestal 1955-3-26 3482 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  SEINET12188948  Oenothera bistorta J. F. Bright, Wyman, C. 1931-1 5290 Los Angeles In Antelope Valley under Joshua Trees Comment
  CAS-BOT-BC167049  Oenothera californica Louis C. Wheeler 1932-4-9 595 Los Angeles 6 mi. W Lancaster, [Mohave] Mojave Desert 731 Comment
  POM158225  Oenothera elata subsp. hirsutissima P. A. Munz 1928-9-4 11171 Los Angeles Mouth of Rock Creek. 1159 Comment
  UC1007114  Oenothera elata subsp. hirsutissima P. A. Munz 1936-7-1 14180 Los Angeles Claremont Comment
  RSA748148  Olea europaea Justin M. Wood 2009-4-2 461 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA0097792  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18411 Los Angeles Pomona, 650m SSE of the summit of Elephant Hill. 280 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
  RSA604541  Opuntia ficus-indica L. C. Wheeler 1968-11-9 s.n. Los Angeles San Gabriel Mountains: 0.2 miles inside mouth of San Gabriel Canyon. 232 Comment
  POM317770  Opuntia littoralis David Walkington 1964-2-9 230 Los Angeles Santa Catalina Island. Hamilton Canyon near auto wreck yard and boat landing. 30 Comment
  SEINET195504  Orcuttia californica A. A. Beetle 1946-1 Los Angeles Comment
  RSA458965  Oreonana vestita Robert Gustafson 1983-7-18 2782 Los Angeles San Gabriel Mountains, Angeles Crest Highway, Pine Hollow 2134 Comment
  UC212793  Oreonana vestita I. M. Johnston 1917-7-20 1260 Los Angeles San Antonio Mts., Baldy Lookout of U.S.F.S. 2133 Comment
  RSA0104814  Orobanche bulbosa Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  UC1728647  Orobanche californica subsp. feudgei Richard Olmstead 1986-6-8 791 Los Angeles near picnic ground at Chilao Chilao 1600 Comment
  RSA0094079  Orobanche fasciculata R. G. Swinney 2011-5-19 14777 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
  RSA509615  Orobanche fasciculata Louis C. Wheeler 1948-6-13 6639 Los Angeles San Gabriel Mountains: North side Big Tujunga, opposite Coldwater Canyon. 1006 Comment
  RSA641081  Orobanche valida subsp. valida Orlando Mistretta 1995-7-6 1869 Los Angeles San Gabriel Mountains: Big Rock Creek, on trail at sign indicating [way] to Devil's Punchbowl County Park. (Orobanche valida survey site E). 1509 Comment
  SFV19343  Osmorhiza brachypoda J. N. Hogue, C. Solek 2005-4-8 237 .2 Los Angeles San Gabriel Mountains West Fork of San Gabriel River. Glen Canyon. 670 Comment
  UCR194166  Osmorhiza chilensis R. G. Swinney 1998-7-29 6554 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  SEINET5619510 Image available Oxalis corniculata Old Rch 2003-3-20 sn Los Angeles Santa Monica/Los Angeles vicinity Comment
  OBI53599  Oxalis corniculata A. C. Sanders 1987-7-22 7176 Los Angeles El Segundo Dunes, immed W of L.A. International Airport & Pershing Dr, E of Vista Del Mar Blvd 30 Comment
  UCR219450  Oxalis pes-caprae R. G. Swinney 2009-3-28 10183 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UC1745983  Oxytheca trilobata Annetta M. Carter, Arthur Carter 1935-9-13 990 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  UCR95337  Oxytheca trilobata L. C. Wheeler 1970-8-30 s.n. Los Angeles San Gabriel Mtns., Ridge east of Chimney Canyon 1677 Comment
  CAS-BOT-BC121165  Paeonia californica Arthur Rice Kruckeberg 1939-2-11 s.n. Los Angeles South Pasadena Comment
  POM199768  Papaver californicum I. W. Clokey, Bonnie C. Templeton 1929-04 4464 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
  POM8021  Papaver californicum F. L. Robinson 1918-4-28 s.n. Los Angeles San Dimas Canyon. Comment
  RSA653700  Papaver californicum Valerie L. Soza, Laura Moore 2000-5-10 857 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  RSA545324  Parietaria hespera var. hespera Tim S. Ross 1992-5-17 6333 Los Angeles San Gabriel Mountains: center W side of the San Gabriel Reservoir; short easterly spur canyon along Highway 39. 463 Comment
  RSA150918  Parietaria hespera var. hespera Peter H. Raven 1962-4-10 17236 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 457 Comment
  SD187488  Parietaria judaica R. E. Riefner Jr. 2007-3-10 07 108 Los Angeles City of San Pedro, Cabrillo Beach marina, Whalers Walk St. at Via Cabrillo Marina Dr. Berth 28 3 Comment
  SBBG128235  Paspalum dilatatum M. L. Hoefs, S. A. Junak 1996-7-9 2722 Los Angeles bunkhouse at Middle Ranch, Middle Cyn 207 Comment
  UC1930113  Paspalum vaginatum R. E. Riefner Jr. 2006-7-29 06 -330 Los Angeles City of Carson, Dominguez Channel, S of Del Amo Blvd. near Carson St. Comment
  UC1069000  Pectocarya linearis subsp. ferocula A. D. Gifford 1935-3-15 473 Los Angeles mouth Elizabeth Lake Canyon Comment
  RSA586448  Pectocarya penicillata Orlando Mistretta 1995-2-28 1519 Los Angeles Carr Canyon 1012 Comment
  RSA595681  Pectocarya penicillata T. S. Ross, Victor W. Steinmann 1995-5-8 8567 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCR192182  Pectocarya penicillata A. C. Sanders 2008-4-17 34940 Los Angeles Transverse Range, mouth of canyon in hills c. 1.25 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 956 Comment
  UCR281968  Pectocarya penicillata R. G. Swinney 2014-4-17 16090 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
  UCR277229  Pectocarya setosa R. G. Swinney 2011-4-19 14402 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA128261  Pedicularis densiflora H. J. Thompson 1959-3-31 1010 Los Angeles 0.7 mi from Triunfo Canyon, 2 mi. west of Cornell, Lobo Canyon. 244 Comment
  RSA503188  Pedicularis semibarbata Gary D. Wallace 1975-7-12 1443 -B Los Angeles Angeles National Forest: just W of Lodgepole Picnic Ground. West Fork Dorr Canyon at springs above road. 2311 Comment
  LA94153  Pellaea andromedifolia Lawrence L. Kiefer; 1966-4-30 1951 Los Angeles SANTA MONICA MOUNTAINS, ca 1.5 mi SW of Lake Sherwood. 304 Comment
  RSA787612  Pellaea andromedifolia F. H. Elmore 383 Los Angeles San Clemente Island. Comment
  RSA0022221  Pellaea mucronata Anonymous 1094 Los Angeles Middle Ranch Canyon. [Santa Catalina Island] Comment
  LA82520  Pellaea mucronata var. mucronata O. H. Kappler; 1941-3-30 162 Los Angeles SANTA MONICA MOUNTAINS, W-fork Las Trancas (Rattlesnake) Canyon 365 Comment
  RSA0062860  Pellaea mucronata var. mucronata LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6773 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA590922  Pellaea mucronata var. mucronata Orlando Mistretta 1994-4-12 1012 Los Angeles Little Rock creek. Slopes E of Little Rock reservoir. 1006 Comment
  POM199762  Pellaea mucronata var. mucronata I. W. Clokey 1929-05 4537 Los Angeles Mandeville Canyon, Santa Monica Mountains. 450 Comment
  RSA549823  Penstemon centranthifolius Wandalee Thompson 1964-6-16 52 Los Angeles Near Schwartz Ranch, Pine Canyon Road, N-2, 8 miles west of Elizabeth Lake 1128 Comment
  SEINET200079  Penstemon centranthifolius P. S. Rattle 1938-7-1 Los Angeles Found in the San Gabriel Mts. 1372 Comment
  UCR125941  Penstemon centranthifolius A. C. Sanders, Mark Elvin 2002-6-19 25189 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR269930  Penstemon centranthifolius R. G. Swinney 2011-7-21 15550 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UC249281  Penstemon grinnellii A. D. E. Elmer June 1902 3615 Los Angeles Acton Comment
  UCR146695  Penstemon grinnellii Scott D. White 2004-8-20 10738 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
  RSA654357  Penstemon grinnellii subsp. grinnellii Valerie L. Soza, LeRoy Gross 2000-5-23 956 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
  RSA549810  Penstemon grinnellii var. scrophularioides Wandalee Thompson 1964-6-16 50 Los Angeles Pine Canyon Rd, south side of N-2, 10 miles west of Elizabeth Lake, foot of Liebre Mountain 1128 Comment
  RSA131034  Penstemon heterophyllus Percy C. Everett, E. K. Balls 1959-6-2 23843 Los Angeles 1 miles NE of entrance of Stokes Canyon, Santa Monica Mountains. 183 Comment
  RSA724670  Penstemon heterophyllus subsp. heterophyllus K. Dobry 1991-6-11 d- 676 Los Angeles Santa Monica Mts las Virgenes and Mulholland Hwys. at Soka University Comment
  RSA0006158  Penstemon heterophyllus var. australis C. F. Baker 1904-6-14 4778 Los Angeles Hills near Claremont Comment
  RSA749084  Penstemon rostriflorus R. G. Swinney 2005-8-11 8455 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  UCR223794  Penstemon rostriflorus R. G. Swinney 2009-8-25 11477 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  PASA1030  Penstemon spectabilis Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  LA51907  Penstemon spectabilis var. subviscosus J. A. Ewan; 1931-5-16 4200 Los Angeles SANTA MONICA MOUNTAINS, W-fork Garapito Creek 457 Comment
  POM7596  Pentachaeta aurea P. A. Munz 1920-3-9 3266 Los Angeles Claremont. 396 Comment
  SBBG134032  Pentachaeta lyonii R. Burgess, P. Munro 2005-5-18 6848 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 457 Comment
  RSA0065225  Pentagramma triangularis R. F. Thorne, J. Henrickson 1963-5-5 32300 Los Angeles Upper part of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  UC223681  Pentagramma triangularis subsp. triangularis C. F. Millspaugh 1920-1-10 4566 Los Angeles Wishbone; Santa Catalina Isl Comment
  SBBG98216  Pentagramma triangularis subsp. triangularis F. W. Peirson 1919-12-2 1502 Los Angeles W Fk of Rubio Cyn 746 Comment
  UCSB62230  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-4-16 Los Angeles Santa monica Mtns., Calabasas Rd., ca. 1 1/2 mi. w. of Calabasas, ravine so. of the road 304 Comment
  UCSB62234  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-10-2 Los Angeles San Gabriel Mtns., NW Mt. Gleason, upper Mill Cyn. Ca. 1/2 mi. above the power line rd. (USFS 4N32) 1097 Comment
  UC1215167  Perityle emoryi Peter H. Raven 1962-4-12 17323 Los Angeles near foot of canyon s of canyon below the Tomb (w side of San Clemente Island); San Clemente Island 137 Comment
  CAS-BOT-BC419008  Persicaria lapathifolia John Thomas Howell 1927-10-29 3180 Los Angeles Near Alamitos Bay 15 Comment
  SEINET3923794  Persicaria lapathifolia Steve Boyd, L. Raz 1996-10-14 9030 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road.; 0 671 Comment
  UCSB5462  Phacelia bicolor Haller, John 1957-4-13 Los Angeles On Palmdale Ave. 0.7 miles E. of junc. with Calif. 138 and ca. 9 miles E. of center of Palmdale 762 Comment
  RSA0112022  Phacelia brachyloba Richard G. Swinney 2011-5-16 14720 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
  UCD120272  Phacelia brachyloba Henry J. Thompson 1960-5-14 3060 Los Angeles 1 mile east of Saddle Peak, Santa Monica Mountains. 731 Comment
  RSA182324  Phacelia brachyloba J. Olmstead 1962-4-30 3403 Los Angeles 1960 Johnston Peak fire, from west fork of San Dimas Creek to Wolfskill falls 457 Comment
  SFV16027  Phacelia brachyloba A. M. Orcino, A. Sutton 1994-5-14 22 Los Angeles Santa Monica Mountains Calabasas. Stunt High Trail, 1 mile east on Stunt Road from junction with Mulholland Highway. 796 Comment
  UCR155394  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2005-5-24 30263 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UCR190522  Phacelia cicutaria var. hispida R. G. Swinney 2000-6-19 7816 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR272839  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-31 14937 B Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  POM427627  Phacelia cicutaria var. hispida Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon. Santa Catalina Island Comment
  SD231329  Phacelia cryptantha Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 5 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR95334  Phacelia curvipes L. C. Wheeler 1967-5-9 9391 Los Angeles San Gabriel Mtns, Aliso Canyon, east of Acton, c. 1 mi downstream from Wagonwheel Ranch 1067 Comment
  RSA311291  Phacelia davidsonii Robert F. Thorne, M. Z. Thorne 1969-7-9 38514 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  RSA74936  Phacelia davidsonii Raymond J. Dobbs 1927-5-31 7675 Los Angeles Barley Flats. 1707 Comment
  RSA771567  Phacelia davidsonii R. G. Swinney 2009-6-2 11021 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR120600  Phacelia distans Steven R. Hill, K. Kramer 2001-4-22 33380 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  RSA648041  Phacelia distans Orlando Mistretta 1992-7-13 677 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  POM3794  Phacelia egena I. M. Johnston 1918-7-6 2092 Los Angeles Prairie Fork of San Gabriel River. 2058 Comment
  POM19226  Phacelia floribunda P. A. Munz 1932-4-8 6624 Los Angeles San Clemente Island. Comment
  RSA75351  Phacelia fremontii F. W. Peirson 1927-5-21 163 Los Angeles Rock Creek, north base of San Gabriel Mountains. 1524 Comment
  UCR222845  Phacelia fremontii R. G. Swinney 2009-4-28 10559 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  SD252350  Phacelia grandiflora Steven A. Junak 2000-5-18 Sca 1290 Los Angeles Santa Catalina Island: Above Goat Harbor, in area burned last year (July 1999); on coastal N-facing slope. 356 Comment
  RSA772370  Phacelia imbricata R. G. Swinney 2009-5-20 10834 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  CATA3191  Phacelia lyonii Julia Parish, Margie Pfeffer 2016-8-18 009 Los Angeles Santa Catalina Island: Halfway down NE-facing landslide, about 0.3 air miles WNW of end of Lands End Rd. 99 Comment
  RSA172243  Phacelia minor Robert F. Thorne, J. Henrickson 1963-5-5 32314 Los Angeles Upper part of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  SBBG125211  Phacelia minor A. Parikh, N. Gale 2010-6-21 3355 Los Angeles Upper Shortcut Cyn, 0.4 km S of St Hwy 2, 0.8 km SE of intersection of St Hwy 2 and Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1390 Comment
  UCR216858  Phacelia minor R. G. Swinney 2009-3-12 10096 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  RSA649798  Phacelia minor Matt Brooks 1988-5-7 33 Los Angeles Whittier, Dark Canyon 0.4 miles east of its confluence with Sycamore Canyon. Comment
  CAS-BOT-BC145074  Phacelia mohavensis Frank W. Peirson 1922-7-5 3164 Los Angeles On Mescal Creek, 1 mile west of Big Pines, San Gabriel Mts. Comment
  RSA0064067  Phacelia mohavensis R. G. Swinney 2010-10-13 14039 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA74792  Phacelia parryi F. W. Peirson 1918-5-4 976 Los Angeles Summit of Santa Monica Range, above Brents on the Malibu Comment
  RSA522336  Phacelia ramosissima var. latifolia Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4026 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  UC450796  Phacelia ramosissima var. latifolia Fay A. Macfadden 1931-6-1 2989 Los Angeles Tuna Canyon Verdugo Hills Comment
  CAS-BOT-BC133979  Phacelia tanacetifolia C. F. Baker 1909-3-20 5242 Los Angeles Claremont Comment
  UCR271213  Phacelia tanacetifolia R. G. Swinney 2011-4-20 14464 Los Angeles San Gabriel Mountains/ Western Mohave Desert, Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  RSA106837  Phacelia tanacetifolia Percy C. Everett, Nick Lolonis 1962-4-30 24459 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  SBBG65054  Phacelia viscida M. N. Ackley -May-1927 401 Los Angeles Mulholland Drive 457 Comment
  SD230243  Phacelia viscida Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9455 Los Angeles Liebre Mountains Region: Upper watershed of Osito Canyon between I-5 and the Old Ridge Route, vicinity of Osito Flat, a disctinctive, open grassy break in slope under the high tension power lines. 792 Comment
  UCD120709  Phacelia viscida Daryl Koutnik 1978-6-3 521 Los Angeles Dry Canyon-Cold Creek Road between Mulholland Hwy and Old Topanga Canyon Road. 304 Comment
  CATA1286  Phalaris aquatica Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-13 2374 Los Angeles Santa Catalina Island: Silver Peak Trail Road, off of Upper West End Road 475 Comment
  UCR208865  Phalaris paradoxa L. C. Wheeler 1933-6-24 1874 Los Angeles San Fernando Valley, Sepulveda Blvd. at Los Angeles River 198 Comment
  RSA670431  Pholistoma auritum I. W. Clokey, Bonnie C. Templeton 1929-04 4437 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UCSB46611  Pholistoma auritum Welton, Patti 1983-3-28 Los Angeles Southwest side of Mulholland Hwy., 2.2 miles north of its junction with Malibu Canyon Road, Santa Monica Mtns. 481 Comment
  RSA790930  Pholistoma auritum Doris Bowers 1973-4-24 1985 Los Angeles N/o Hughes Market on Hawthorne Blvd. 305 Comment
  LA38519  Pholistoma auritum var. auritum Mildred Hollis Epling; Carl Epling 1925-5-18 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  UCR270934  Pholistoma auritum var. auritum R. G. Swinney 2011-4-28 14541 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  CAS-BOT-BC520385  Pholistoma membranaceum Steve Boyd; Gary Wallace 2011-4-14 12319 Los Angeles Transverse Ranges: Liebre / San Gabriel Mtns region. Acton Wash ca 3 km E of jct of Soledad Canyon Rd and Crown Valley Rd 829 Comment
  LA200866  Phoradendron macrophyllum Carl Epling; L. Ellison 1929-4-27 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA133180  Phoradendron macrophyllum Del Wiens 1958-12-10 2427 Los Angeles Cobal Canyon north of Claremont. 427 Comment
  UCR190111  Phoradendron pauciflorum R. G. Swinney 1998-8-27 6789 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  RSA683022  Phyllospadix scouleri E. Yale Dawson 1956-11-16 15279 Los Angeles Cobbletone rocky shore near topanga canyon blvd Comment
  SEINET10502000  Phyllospadix scouleri Robert F. Thorne 1966-4-15 Thorne 36012 Los Angeles San Clemente Island: intertidal pools, attached to rocks ca 1/2 mile SSE of Eel Point, SW side of island; with Phyllospadix torreyi and various algae. Previously unreported from island but the dominant marine phanerogam on rocks in shallow water around island. Comment
  RSA682966  Phyllospadix torreyi E. Yale Dawson 1957-3-14 16351 Los Angeles Lechuza Point, Los Angeles County Comment
  RSA683961  Phyllospadix torreyi Arline Young 1968-1-27 s.n. Los Angeles Cabrillo Beach, San Pedro, Zone 4 Comment
  LA202396  Pickeringia montana subsp. montana Arthur C. Gibson; 2001-5-22 4821 Los Angeles Santa Monica Mountains, Sadie Road off Saddle Peak Road Comment
  RSA582473  Picris echioides Timothy S. Ross, Steve Boyd 1993-5-23 7215 Los Angeles Western Arcadia: slope on the N side of the Foothill Freeway (I-210) between Michillinda Avenue and its west-bound off-ramp. 198 Comment
  RSA762649  Picris echioides R. G. Swinney 2008-11-29 9855 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA533436  Picris echioides Timothy S. Ross 1991-4-21 4513 Los Angeles Whittier Hills (puente Hills, pro parte): Middle Turnbull Canyon drainage just SW of Old Water Tank. 220 Comment
  HSC79761  Pinus coulteri N. Cole 1967-5-27 97 Los Angeles Charlton Flats, San Gabriel Mtns. 1500 Comment
  UC1134083  Pinus flexilis H. A. Jensen 1933-6-1 311 Los Angeles Mt. Baden-Powell (North Baldy); Angeles National Forest, Rock Creek Quadrangle, Mt. Baden-Po 2834 Comment
  CATA1925  Pinus halepensis Amy Catalano 2014-9-23 015 Los Angeles Santa Catalina Island: Across road from 106 Middle Ranch residence 201 Comment
  SFV6853  Pinus lambertiana T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 581 Los Angeles San Gabriel Mountains Trail to Mount Baden-Powell. 2317 Comment
  MACF019661  Pinus monophylla F. A. MacFadden 1924-5-8 1553 Los Angeles L. A. County Playground, San Bernardino Mts. Comment
  RSA0081703  Pinus monophylla R. G. Swinney 2010-5-19 12804 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA602027  Pinus monophylla L. C. Wheeler 1964-4-11 8462 Los Angeles San Gabriel Mountians: ca. 1 mile E of Kentucky Springs.. . Comment
  RSA384422  Pinus muricata B. C. Templeton 1936-10-1 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  CATA3272  Pinus radiata Ben Dion, Julia Parish 2017-1-30 004 Los Angeles Santa Catalina Island: West side of the upper campsite at Black Jack Campground 497 Comment
  POM9289  Plagiobothrys canescens P. A. Munz 1920-2-13 3296 Los Angeles San Jose Hill, 2.5 miles west of Pomona. 305 Comment
  UCR192188  Plagiobothrys leptocladus A. C. Sanders 2008-4-10 34794 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 0.85 mile SSW of Neenach School, along dirt track beside old fence line 938 Comment
  UC766213  Plagiobothrys nothofulvus R. F. Hoover 1938-4-16 3116 Los Angeles near Bailey's (upper Antelope Valley); Antelope Valley Comment
  UCR182667  Plagiobothrys nothofulvus R. G. Swinney 1998-4-13 5948 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  POM246421  Plantago erecta F. R. Fosberg 1931-3-20 S- 4317 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 2 Comment
  RSA698373  Plantago erecta J. Vlahos 1935-6-27 s.n. Los Angeles Catalina Island. Comment
  RSA600433  Plantago erecta Louis C. Wheeler 1932-4-1 544 Los Angeles San Jose Hills at Pomona 305 Comment
  RSA747156  Plantago lanceolata R. G. Swinney 2008-6-2 8919 Los Angeles San Gabriel Canyon, 0.6 mi. above (east) of El Encanto park office, on shoulder of the old road 280 Comment
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Mar 16 2011
  RSA402053  Plantago lanceolata F. R. Fosberg 1930-6-23 S- 2958 Los Angeles Del Rey. 1 Comment
  RSA68969  Plantago major Louis C. Wheeler 1933-11-19 2274 Los Angeles San Gabriel Canyon. 335 Comment
  SD814  Platanthera dilatata var. leucostachys Ruth B. Randall Jul 1924 Los Angeles San Gabriel Canyon. Comment
  CAS-BOT-BC93187  Platanus racemosa Joseph Andorfer Ewan 1937-8-23 11050 Los Angeles San Gabriel Mountains. Tijuga Creek near mouth of canyon. Comment
  NY42404  Platanus racemosa J. B. Walker 1994-8-10 884 Los Angeles 4km S of Gormon, next to I-5 200 Comment
  SEINET8043948 Image available Platanus racemosa R. G. Swinney 2010-1 12297 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near end of Wallabi Ave. 433 Comment
  UCSB9367  Platanus racemosa Lloyd, Robert 1959-3-27 Los Angeles 1/2 mi S of dam in San Dimas Cyn; stream bed west of the San Dimas Cyn Road; San Gabriel Mt Range 365 Comment
  RSA576929  Plectritis ciliosa subsp. insignis Louis C. Wheeler 1935-4-25 3439 Los Angeles Placerita Canyon. 457 Comment
  SBBG130602  Pluchea odorata var. odorata S. A. Junak 2000-10-12 SCa 1412 Los Angeles N side of Thompson Reservoir 195 Comment
  UCR271839  Poa R. G. Swinney 2011-6-23 15282 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  POM1248  Poa annua I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont 366 Comment
  LA200954  Poa annua Harlan Lewis; 1941-3-19 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  RSA484194  Poa pratensis Gary D. Wallace 1979-5-2 1839 Los Angeles [Arcadia] Along Baldwin Ave, across street from L.A. County Arboretum. Comment
  RSA760687  Poa pratensis R. G. Swinney 2008-10-10 9579 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR258760  Poa secunda R. G. Swinney 2010-5-11 12693 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
  UC205626  Poa secunda subsp. secunda G. B. Grant Apr. 1903 5437 Los Angeles Saugus <Sangus ?> Comment
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Jul 6 2010
  SBBG112833  Polycarpon tetraphyllum S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 764 Los Angeles near buildings at mouth of Cherry Cyn, at Boy Scout Camp 6 Comment
  UC501533  Polycarpon tetraphyllum Frank W. Peirson 1931-5-25 9376 Los Angeles Altadena; 1077 New York Avenue Comment
  UCR216685  Polycarpon tetraphyllum Dan S. Cooper 2010-5-13 510- 58 C Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, Griffith Park 549 Comment
  RSA645705  Polygonum argyrocoleon A. C. Sanders, E. J. Lott 1993-5-6 13955 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave ''F''. [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 701 Comment
  RSA782206  Polygonum aviculare R. G. Swinney 2009-8-25 11473 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA464418  Polygonum aviculare M. Bisbee 1917-5-26 s.n. Los Angeles Roadsides and yards, Eagle Rock Comment
  RSA464412  Polygonum aviculare subsp. aviculare Robert Gustafson 1981-4-29 2224 Los Angeles Along the Centinella drainage ditch west of Lincoln Blvd. Comment
  UCD100160  Polygonum aviculare subsp. depressum J. Warren 1952-5-25 s.n. Los Angeles Hershey Hall, UCLA. 121 Comment
  POM18424  Polypodium californicum P. A. Munz 1923-4-9 6653 Los Angeles San Clemente Island, north-facing canyon; east coast Comment
  UCSB62442  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62472  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  RSA600197  Polypogon monspeliensis Steve Boyd, Lauren Raz 1997-5-29 9911 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
  SFV21044  Polypogon monspeliensis L. Gross, V. Soza 2001-6-6 439 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) until you come to bottom of canyon in more or less shady, damp area in dry canyon bed. 427 Comment
  UCR182243  Polypogon monspeliensis R. G. Swinney 1997-9-6 5875 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  IRVC28694  Polypogon monspeliensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25484 B Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  SEINET10593642  Polypogon monspeliensis Joseph A. Ewan 1936-7-22 Ewan 9801 Los Angeles Occasional on drier ground of open cienega. Big Pines mdw. San Gabriel mts. 2073 Comment
  UC371192  Polystichum imbricans subsp. curtum unknown 1032 Los Angeles Mt. Lowe Comment
  RSA693289  Polystichum imbricans subsp. imbricans L. E. Hoffman 1930-5-12 s.n. Los Angeles Millard's Canyon. Angeles National Forest. Comment
  POM360751  Populus fremontii Robert Gustafson 1978-6-1 988 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  POM360803  Populus trichocarpa Louis Greata 1900-08 s.n. Los Angeles Arroyo Seco, near Pasadena Comment
  UCR271868  Populus trichocarpa R. G. Swinney 2011-6-23 15319 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  LA200823  Potentilla glandulosa subsp. glandulosa Norman A. Cole; May 1964 423 .14 Los Angeles SANTA MONICA MOUNTAINS, Santa Rosa Valley Canyon, Arroyo Santa Rosa; Camarillo Road. 22 Comment
  SFV21432  Potentilla glandulosa subsp. glandulosa L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1067 Los Angeles Verdugo Mountains North side of Verdugo Mountains. South of Hostetter Motorway (in Thomas Guide) just off La Tuna Canyon Road, south of and you can see the 210 Freeway. Unnamed canyon that Hostetter road follows to near the main crest. Could be La Tuna Canyon as this is near the head of that canyon. If this is La Tuna Canyon, then the canyon makes a turn from draining to the west, turns south so the drainage is north. Around the bend in the canyon near above coordinates. 550 Comment
  NY689141  Potentilla multijuga H. E. Hasse 06 1893 s.n. Los Angeles Near Los Angeles. Comment
  RSA453251  Prunus ilicifolia Anstruther Davidson 1890-4-10 1842 Los Angeles Foot hills, Hollywood. Comment
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Oct 25 2015
  SDSU9182  Prunus ilicifolia subsp. lyonii R. M. Beauchamp 1967-1-29 150 Los Angeles Growing on the north slope of a canyon west and below the Marine Artillary Spotters Outpost above the Pyramid Cove area. San Clemente Island Comment
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May 16 2008
  UC1302267  Prunus ilicifolia subsp. lyonii Robert F. Thorne and P. C. Everett 1964-2-6 33302 Los Angeles Santa Catalina Island, Cherry Cove Cherry Cove; Santa Catalina Island, Cherry Cove 22 Comment
  RSA652645  Prunus lyonii Phil Drooks 1981-5-30 57 Los Angeles Found at Valinda Ave and Merced in West Covina, in residential yard. 610 Comment
  RSA549500  Prunus virginiana var. demissa Tim S. Ross, Steve D. Boyd 1990-6-18 3486 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  SD21292  Pseudognaphalium biolettii Norman E. Bilderback 1938-4-14 Los Angeles Santa Catalina Harbor Comment
  UCR258911  Pseudognaphalium biolettii R. G. Swinney 2010-4-23 12352 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR71237  Pseudognaphalium biolettii Steve Boyd, T. Ross, L. Arnseth 1990-4-8 4357 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  JEPS26549  Pseudognaphalium biolettii Peter Kamb 1948-3-6 796 Los Angeles s crest of the San Rafael Hills 457 Comment
  RSA158318  Pseudognaphalium biolettii Peter H. Raven 1962-4-10 17251 Los Angeles 2 miles N of Thirst, San Clemente Island. 518 Comment
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Dec 22 2010
  RSA526631  Pseudognaphalium biolettii Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4201 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  CAS-BOT-BC356702  Pseudognaphalium californicum LeRoy Abrams 1902-6-15 2547 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC356719  Pseudognaphalium californicum John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  RSA0086916  Pseudognaphalium californicum R. G. Swinney 2010-8-9 13464 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  UCR261130  Pseudognaphalium californicum R. G. Swinney 2010-6-21 13293 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  LA32059  Pseudognaphalium californicum Peter H. Raven; Henry J. Thompson 1959-6-4 14326 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  JEPS20082  Pseudognaphalium microcephalum Peter H. Raven 1957-9-21 11329 Los Angeles hill at nw end U.C.L.A. Campus Comment
  CAS-BOT-BC357293  Pseudognaphalium microcephalum Peter H. Raven; Henry J. Thompson 1959-9-27 14504 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Sepulveda Canyon 243 Comment
  CAS-BOT-BC357631  Pseudognaphalium stramineum Louis Wheeler 1932-6-5 802 Los Angeles Marshall Creek, San Gabriel Mts. 487 Comment
  UCD135108  Pseudotsuga macrocarpa Steve Mason; Helen M. Mason 1993-5-15 24 b Los Angeles On Angeles Crest Hwy. 3.5 mi. above Big Tujunga Cnyn. Rd. 1584 Comment
  RSA251396  Psilocarphus brevissimus R. F. Thorne 1966-4-17 36087 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  SBBG98050  Psilocarphus tenellus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5219 Los Angeles ca. 300' NE of Knob 271 Comment
  RSA640012  Psilocarphus tenellus var. tenellus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 548 Comment
  UCD150962  Psilostrophe cooperi D. S. Park 2010-4-26 48 Los Angeles Ranch Santa Ana Botanic Garden 325 Comment
  UCR95553  Psoralea macrostachya Steve Boyd, Valerie Soza, Orlando Mistretta 1996-6-12 8834 Los Angeles Liebre Mtns, Castaic Creek drainage upstream from confluence of Fish Canyon. 610 Comment
  SEINET10545325  Ptelea crenulata Walter H. Lewis Lewis 15644 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  UCD136173  Pteridium aquilinum var. pubescens Louis C. Wheeler 1964-6-8 8480 Los Angeles San Gabriel Mountains, Burbank Canyon, W of Thompson Creek Dam. Comment
  CAS-BOT-BC421203  Pterostegia drymarioides Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC421210  Pterostegia drymarioides A. C. Sanders; Helen Kennedy 2005-4-13 29455 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 488 Comment
  POM78694  Pycnanthemum californicum Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon Comment
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Feb 14 2008
  UCSB27900  Quercus X alvordiana Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  RSA655775  Quercus X grandidentata LeRoy Gross 2001-1-28 334 Los Angeles Verdugo Mountains, north side: Ridge between Engleheard and Henderson Canyons. 549 Comment
  RSA450193  Quercus agrifolia A. R. Roos 1937-12-15 s.n. Los Angeles Sepulveda Canyon Comment
  UCR261134  Quercus agrifolia R. G. Swinney 2010-2-27 11730 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCD45097  Quercus agrifolia var. agrifolia Donald R. Bissing 1973-6-2 135 Los Angeles Evey Canyon, San Gabriel Mountains. Alt. 2320 ft. 707 Comment
  RSA0035995  Quercus berberidifolia R. G. Swinney 2010-6-21 13259 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA668666  Quercus berberidifolia Steve Boyd, LeRoy Gross 2002-5-7 10435 Los Angeles Del Sur Ridge, upper Haskel Canyon drainage, west of Bouquet Canyon, southward from the Coarse Gold Road (5N24). 610 Comment
  RSA78902  Quercus berberidifolia E. K. Balls, P. C. Everett 1952-10-3 18005 Los Angeles 7.7 miles N of junction of Hwy 2, 1 mile from Hidden Springs 457 Comment
  SEINET234376  Quercus berberidifolia John Tucker 1948-9-26 1879 Los Angeles 11.4 mi W of Palmdale beside road to Elizabeth Lake Comment
  UCR219454  Quercus chrysolepis R. G. Swinney 2009-3-28 10192 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCSB33407  Quercus chrysolepis Nixon, Kevin 1977-11-25 Los Angeles Ridge Route road; 0.7 mi southeast of Hwy 138. (Foothills of Liebre Mtns above the Antelope Valley.) 762 Comment
  CATA1762  Quercus douglasii E. R. Blakley 1962-10-6 5475 Los Angeles Santa Catalina Island: 0.25 mile below the lower reservoir in Bulrush Canyon 243 Comment
  RSA619489  Quercus douglasii E. R. Blakley 1962-10-5 5465 Los Angeles Middle Ranch Canyon between mouth of Cape Canyon and its head, Santa Catalina Island 229 Comment
  UCR186653  Quercus douglasii A. C. Sanders 2006-4-14 32062 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  CAS-BOT-BC86374  Quercus dumosa John H. Thomas 1956-11-8 6476 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 Comment
  UCSB27916  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 944 Comment
  RSA573419  Quercus durata var. gabrielensis Louis C. Wheeler 1931-11-8 228 Los Angeles Mouth Liveoak canyon 404 Comment
  LA205293  Quercus engelmannii Louis Wheeler; 1932-9-7 1353 Los Angeles 2 mi. NE of La Verne 403 Comment
  RSA719928  Quercus engelmannii R. G. Swinney 1997-9-27 5881 Los Angeles between Live Oak Canyon and Marshall Canyon, 0.25 mi. NW of Live Oak Canyon Dam 512 Comment
  UCSB28137  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge; West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  RSA477324  Quercus lobata G. R. Johnstone 1931-10-24 14029 Los Angeles Santa Susanna Mts. 915 Comment
  UCR185568  Quercus lobata A. C. Sanders, T. B. Salvato 2007-4-25 33544 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
  UCSB58641  Quercus pacifica Fosberg, F. 1932-5-7 Los Angeles Canyon above Hay Press, Santa Catalina Island Comment
  SBBG43932  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SBBG43938  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SFV16680  Quercus wislizeni var. frutescens P. Wilson, J. M. Albert 1996-6-12 3442 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 52.85, near Three Points. 1799 Comment
  RSA233402  Rafinesquia californica R. F. Thorne 1966-4-17 36116 Los Angeles San Clemente Island. On steep canyon slope near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  UCSB16939  Rafinesquia californica Scoyoc, Dave 1963-5-18 Los Angeles Seaside Avenue, 0.8 miles east of intersection of Seaside Avenue and Terminal Way, Terminal Island, San Pedro Comment
  SBBG117057  Ranunculus hebecarpus S. A. Junak with K. Kirkland 2001-4-14 SCa 1447 Los Angeles upper portion of Middle Cyn, just upslope from E side of Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 304 Comment
  SEINET3836579 Image available Ranunculus hebecarpus Philip A. Munz 1934-4-2 13143 Los Angeles San Dimas, Puddingstone Canyon 305 Comment
  SFV1507  Raphanus sativus K. A. Wilson 1961-3-12 1010 Los Angeles Santa Monica Mountains Point Dume, roadside at Cliffside Drive and Fernhill Drive. 35 Comment
  UC66740  Raphanus sativus N. K. Berg 1904-3-8 Los Angeles Redondo Comment
  POM199552  Rhamnus californica I. W. Clokey, Bonnie C. Templeton 1929-06 4586 Los Angeles Mandeville Canyon. 200 Comment
  UCR270038  Rhamnus californica R. G. Swinney 2011-7-21 15539 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR277076  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 1780 Comment
  RSA596486  Rhamnus californica subsp. californica Louis C. Wheeler 1967-5-24 9723 Los Angeles San Gabriel Mountains: Indian Canyon 793 Comment
  UC75083  Rhamnus californica subsp. californica C. F. Baker 1903-7-20 3443 Los Angeles Claremont Comment
  JEPS41979  Rhamnus crocea Frank W. Peirson 1919-3-27 339 Los Angeles w of Arroyo Seco; San Gabriel Mountains 396 Comment
  UCR205883  Rhamnus crocea A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37082 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  RSA578248  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1994-5-4 7668 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  SBBG27508  Rhamnus ilicifolia A. M. Carter 1935-9-8 956 Los Angeles Sierra Madre 381 Comment
  UC55328  Rhamnus ilicifolia J. H. Barber 1898-8-6 Los Angeles Malibu Comment
  UC124600  Rhamnus pirifolia H. M. Hall 1908-6-15 8270 Los Angeles Swains' Canyon Santa Catalina Island Comment
  UCR280399  Rhamnus pirifolia Jeremiah George, Eric Kline 2017-4-17 417- 10 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  UCD116877  Rhus aromatica Dan Axelrod 1932-3-21 s.n. Los Angeles Vasquez Rocks, Antelope Valley. Comment
  CAS-BOT-BC170445  Rhus integrifolia Le Roy Abrams 1899-2-17 287 Los Angeles Ballina Harbor, near Los Angeles Comment
  LA200132  Rhus integrifolia Carl Epling; M. Epling May 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA579235  Rhus integrifolia T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7402 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; 174 Comment
  RSA610780  Rhus integrifolia L. C. Wheeler 1933-6-17 1862 Los Angeles Claremont 365 Comment
  RSA650231  Rhus integrifolia Donald W. Harshberger 1949-2-15 s.n. Los Angeles Glendora foothills 152 Comment
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Mar 8 2013
  UC729810  Rhus integrifolia Carl B. Wolf 1932-5-10 Los Angeles 100 yds se of summit of the Equestrian Trail (back of Avalon); Santa Catalina Island 304 Comment
  CAS-BOT-BC167950  Rhus ovata Alice Eastwood 1919-6-20 9052 Los Angeles Mt. Wilson Comment
  OBI20442  Rhus ovata Ron Pecoff 1961-4-28 s.n. Los Angeles Santa Monica mtns. Stunt rd. 335 Comment
  RSA659802  Rhus ovata Fred Brooks 1988-4-23 26 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  UCR256850  Rhus ovata R. G. Swinney 2010-8-16 13552 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCSB8390  Rhus ovata McElwain, Isabelle 1953-5-10 Los Angeles Zelzah Ave. short distance S. Bull Canyon Rd., Granada Hills 457 Comment
  UC1595429  Rhus trilobata Tim Ross 1992-7-10 6638 Los Angeles Big Tujunga Canyon, 310m e of where Cold Water Canyon meets Big Tujunga Creek (e side of the road to Colby Ranch); San Gabriel Mountains 963 Comment
  CAS-BOT-BC92277  Ribes amarum John Thomas Howell 1928-2-9 3332 Los Angeles San Gabriel Mountains. Santa Anita Canon [Canyon]. Comment
  UCR210737  Ribes amarum R. G. Swinney 2009-1-19 10002 Los Angeles San Gabriel Mtns., Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  RSA012640  Ribes aureum Fay A. MacFadden 1930-04 1281 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  UCR258905  Ribes aureum R. G. Swinney 2010-4-30 12464 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  CAS-BOT-BC92443  Ribes aureum var. gracillimum L. Street 1919-3-16 2399 Los Angeles Lone Hill. Comment
  RSA0091074  Ribes californicum R. G. Swinney 2011-4-9 14362 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  SBBG28497  Ribes californicum J. D. Olmsted 1960-2-24 1107 Los Angeles Wolfskill Cyn at end of rd 548 Comment
  UC11623  Ribes californicum var. hesperium W. H. Brewer Jan. 1861 133 Los Angeles near Camp 6; San Gabriel Comment
  UCR91466  Ribes californicum var. hesperium Scott D. White 1995-2-11 2540 Los Angeles San Gabriel Mtns, Upslope from USFS San Dimas Station, N end of San Dimas Reservoir 457 Comment
  LA205420  Ribes cereum W. R. Ernst; June 1947 sn Los Angeles Lily Springs- Mt. Hawkins Comment
  UCR16473  Ribes malvaceum R. D. Keys 1973-4-29 s.n. Los Angeles San Gabriel Mountains, Glendora Ridge Road, 0.5 mile east of junction with Glendora Mountain Road, Angeles National Forest 1037 Comment
  RSA733763  Ribes malvaceum var. viridifolium R. G. Swinney 2000-6-19 7825 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA757073  Ribes nevadense R. G. Swinney 2008-9-13 9451 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UCR194055  Ribes nevadense R. G. Swinney 1999-5-22 7206 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  UCR209641  Ribes nevadense R. G. Swinney 2008-7-2 9130 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  UCR272857  Ribes nevadense R. G. Swinney 2011-7-29 15569 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  LA205545  Ribes quercetorum Harvey Anderson; 1932-3-14 sn Los Angeles Pescada Canyon, Tejon Ranch Comment
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Sep 10 2015
  CAS-BOT-BC186161  Ribes roezlii var. roezlii I. M. Johnston 1917-6-15 1271 Los Angeles Head of Icehouse Canon [Canyon] 2286 Comment
  RSA601694  Ribes roezlii var. roezlii Louis C. Wheeler 1968-2-4 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail 1 mi. southwest of Johnstone Peak. 732 Comment
  CAS-BOT-BC168659  Ribes speciosum John H. Thomas 1957-2-14 6484 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  CAS-BOT-BC168660  Ribes speciosum Louis C. Wheeler 1932-1-10 436 Los Angeles Puddingstone Dam 304 Comment
  LA82099  Ribes speciosum O. H. Kappler; 1941-3-15 129 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA724674  Ribes speciosum K. Dobry 1992-2-16 d- 1047 Los Angeles West Santa Monica Mts. 5 mil No of Pacific Coast Hwy. along E. Arroyo Sequit at Camp Shalom Comment
  UC1127566  Ribes speciosum P. L. Johannsen 1934-1-18 235 Los Angeles 1/2 mi ne Mesa Peak; Calabasas Quadrangle Comment
  SEINET10973373  Ribes speciosum David B. Dunn 1946-1 Dunn 2011 Los Angeles Comment
  RSA592316  Ricinus communis L. C. Wheeler 1967-5-13 9499 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA702154  Robinia pseudoacacia Michael Honer 2004-6-22 1989 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  UCR260900  Rorippa A. C. Sanders 2009-5-20 36847 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  SFV7981  Rorippa curvisiliqua T. Gordon 1976-5-4 1347 Los Angeles San Gabriel Valley Arcadia. Los Angeles County Arboretum. 160 Comment
  UCR205934  Rorippa curvisiliqua A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37063 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  CAS-BOT-BC147473  Rosa californica L. R. Abrams 1913-7-18 5016 Los Angeles Russel's Lake Comment
  LA91480  Rosa californica Bruce Douglas Clayton; Greg Shaw 1972-4-7 80 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, halfway up firebreak on peak BDC. 472 Comment
  RSA0021499  Rosa gymnocarpa var. gymnocarpa Joseph A. Ewan 1933-7-4 7865 Los Angeles North slope Monrovia Peak, San Gabriel Mountains. 1372 Comment
  UC2026441  Rubus discolor Steve Boyd, L. Raz 1997-6-18 9979 Los Angeles LIEBRE MOUNTAINS REGION: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. Comment
  UCR3414  Rubus pensilvanicus H. M. Whistler 1964-4-11 640411- 01 Los Angeles San Gabriel Valley, Side of road to Puddingstone Reservoir State Park, 0.3 mi from San Dimas City limit 244 Comment
  UCR99342  Rubus pensilvanicus L. C. Wheeler 1949-5-19 6705 Los Angeles Potrero Heights Comment
  UCR79371  Rumex acetosella Steve Boyd, Orlando Mistretta 1993-5-18 8158 Los Angeles Western San Gabriel Mtns., N of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National forest. Ridge on eastern side of upper Sombrero Canyon, southwest of the communications facilities 1006 Comment
  POM175569  Rumex conglomeratus E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  SBBG95280  Rumex crispus M. B. Dunkle 1928-4-29 1919 Los Angeles Little Harbor Comment
  CAS-BOT-BC433572  Rumex hymenosepalus Timothy S. Ross; Victor W Steinmann 1995-5-8 8550 Los Angeles Liebre Mountains. NE side of Bouquet Reservoir; Spunky Canyon Road ca 500 m SE of the mouth of Spunky Canyon. 918 Comment
  UCR149904  Rumex salicifolius R. G. Swinney 1999-6-18 7343 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  RSA0030895  Ruppia maritima F. Raymond Fosberg 1931-5-4 S 4754 Los Angeles 2nd bridge bel.[below] Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 140 Comment
  SEINET3130580  Ruppia maritima G. B. Grant 1904-1 1142 Los Angeles Playa de Rey Comment
  RSA249788  Salazaria mexicana Robert F. Thorne 1973-5-11 43481 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
  UCR124788  Salazaria mexicana B. C. Templeton 1930-5-19 1455 Los Angeles San Gabriel Mtns., Mint Canyon, near Mojave Desert 854 Comment
  CAS-BOT-BC103745  Salix exigua G. L. Moxley 1922-6-12 56 -1273 Los Angeles San Francisquito [Canon] Canyon Comment
  UC1375322  Salix exigua var. hindsiana Robert F. Thorne and C. W. Tilforth 1971-6-17 39884 Los Angeles 0.7 mi w Soledad Station (along Santa Clara R.); n slope San Gabriel Mts., Soledad Canyon 609 Comment
  UC506457  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-1-28 7639 Los Angeles Comment
  LA208742  Salix laevigata Carl Hedin; Joseph Ewan 1932-4-30 7642 Los Angeles Along stream from Baldwin Hills near Higuera Road, Culver City [Area 2] Comment
  RSA597822  Salix laevigata Louis C. Wheeler 1969-4-20 s.n. Los Angeles Liebre Mountains region. Barrel Spring. 884 Comment
  UCR124587  Salix laevigata B. C. Templeton, I. W. Clokey 1930-4-8 1043 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  POM184875  Salix lasiolepis Carl. W. Sharsmith 1932-1-17 7 -A Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  POM2066  Salix lasiolepis M. L. M. 1912-6-17 s.n. Los Angeles Claremont. Comment
  RSA550405  Salix lasiolepis Tim S. Ross, Peter Fritsch 1990-6-20 s.n. Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  RSA652675  Salix lasiolepis Betty Munson 1948-2-1 s.n. Los Angeles Bass Cliff Ranch, San Dimas. 229 Comment
  RSA771558  Salix lasiolepis R. G. Swinney 2009-5-28 10946 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR205032  Salix lasiolepis R. G. Swinney 2001-9-15 8188 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR214614  Salix lasiolepis A. C. Sanders, Dan S. Cooper 2010-3-12 37354 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA657938  Salix lucida subsp. lasiandra Joseph M. Keefe 2000-12-12 s.n. Los Angeles Fire Road east of Aviation Buildings, Glendale College, 1500 North Verdugo Road, Glendale, 91208. 244 Comment
  CAS-BOT-BC126297  Salix sessilifolia F. Ray Fosberg 1931-10-23 5850 Los Angeles Between Calabasas and Agoura, Santa Monica Mountains Comment
  CDA5810  Salpichroa origanifolia L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains; San Gabriel Mountains: Arroyo Seco Comment
  CDA17346  Salsola australis M. O'Brien 2004-9-1 s.n. Los Angeles Southern California Coast; El Matador State Beach, first bluff above strand. 0 Comment
  UCR199988  Salsola tragus Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1358 Los Angeles Transverse Ranges; Verdugo Mountains, Whiting Woods Motorway junction with Verdugo Mountain Motorway, near radio facilities 854 Comment
  LA30492  Salsola tragus Jane Turner; T. Mosquin 1958-11-16 C- 53 Los Angeles Comment
  SBBG127057  Saltugilia australis A. Parikh, N. Gale 2011-6-10 3445 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1.3 km N of Aliso Cyn Rd; San Gabriel Mtns 1170 Comment
  RSA469658  Saltugilia splendens subsp. grantii George B. Grant 1906-6-17 1931 Los Angeles summit of Mt. Wilson 1828 Comment
  CHSC90743  Salvia apiana John Gerard 1972-5-12 Los Angeles Hills behind the campus of California Polytechnic College. Pomona. Comment
  RSA177827  Salvia apiana Robert F. Thorne, P. Everett 1965-5-10 34440 Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  RSA584672  Salvia apiana Tim S. Ross, Annette H. Ross 1991-6-3 5552 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  UC519731  Salvia apiana Joseph Andorfer Ewan 1932-5-10 7464 Los Angeles w rim Verdugo Canyon Comment
  UC75078  Salvia apiana C. F. Baker 1903-7-20 3442 Los Angeles Claremont Comment
  UCR107758  Salvia apiana Jeanne Gural, Erin Hewgley 1997-4-18 33 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Boulevard. West of main road, south of lake. 412 Comment
  RSA442830  Salvia apiana William Emboden 1969-5-28 15 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442834  Salvia apiana William Emboden 1969-5-28 20 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA401458B  Salvia columbariae Roy R. Snelling 1977-3-19 15 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  SEINET3153003  Salvia columbariae G. B. Grant, W. Wheeler 1904-5-7 1167 Los Angeles Glendora, southern California Comment
  RSA401467B  Salvia columbariae L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima, Angeles National Forest. Comment
  LA69672  Salvia dorrii var. pilosa J. A. Ewan; Nesta Dunn 1936-8-5 9966 Los Angeles San Gabriel Mountains, Mescal Creek 1447 Comment
  CAS-BOT-BC233668  Salvia leucophylla Louis C. Wheeler 1932-5-17 715 Los Angeles Garapito Creek, Santa Monica Mountains 304 Comment
  POM29136  Salvia leucophylla S. B. Parish 1887-06 1889 Los Angeles San Francisquito Canon. Comment
  RSA434098  Salvia leucophylla F. R. Fosberg 1931-6-19 S- 5157 Los Angeles Carbon Canyon, Puente Hills Range. Comment
  UC1124766  Salvia leucophylla F. H. Raymond 1930-1-6 18 Los Angeles Escondido Canyon; Triunfo Pass Quad. 335 Comment
  CAS-BOT-BC229926  Salvia mellifera Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  LA82011  Salvia mellifera H. Anderson; Carl Epling 1930-5-30 Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  RSA302283  Salvia mellifera Lyman Benson 1957-5-23 15731 Los Angeles Webb School, above Claremont. 488 Comment
  RSA59067  Salvia mellifera G. R. Campbell 1950-4-17 14594 Los Angeles Escondido Canyon, on road to Malibu Lake, 8 miles from Hwy Alt. 101. 549 Comment
  UCLA70028  Salvia mellifera Joseph Andorfer Ewan 1932-5-10 7452 Los Angeles Verdugo Canyon Storm Channel; Verdugo Canyon Comment
  JEPS4895  Sambucus mexicana Rimo Bacigalupi 1953-5-2 4049 Los Angeles Oak Flat Public Camp Angeles National Forest (n limits, just off U.S. 99) 853 Comment
  RSA517139  Sambucus mexicana T. S. Ross 1990-5-14 2489 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1140 Comment
  RSA657358  Sambucus mexicana L. Yamanaka 1979-6-5 106 Los Angeles 150 meters west of Glendale College Cafeteria located on corner of Verdugo Blvd. and Mountain Ave. Comment
  RSA754350  Sambucus mexicana Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-11-14 NFWF- 1855 Los Angeles San Gabriel River Watershed; next to Webb Canyon Road 434 Comment
  SEINET8058166  Sambucus nigra W. Wheeler 1904-6-10 s.n. Los Angeles Covina. Comment
  SBBG69485  Sambucus nigra subsp. caerulea R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  RSA187802  Sanicula arguta R. F. Thorne 1966-4-7 35975 Los Angeles Santa Catalina Island, above Emerald Cove. 61 Comment
  RSA708659  Sanicula arguta Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1185 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon, SE of Green Verdugo Reservoir. 457 Comment
  SBBG31253  Sanicula arguta R. F. Thorne 1966-4-5 35838 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SBBG38682  Sanicula arguta R. Moran 1941-2-17 579 Los Angeles Middle Ranch 500 Comment
  SBBG32026  Sanicula crassicaulis R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -313 Los Angeles Descanso Cyn 91 Comment
  UCD65892  Schedonorus arundinaceus Peter H. Raven; Robert F. Thorne 1964-5-7 19038 Los Angeles Santa Monica Mountains. Saddle Rock Ranch, near Seminole Hot Springs. Comment
  RSA598085  Schismus arabicus Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3780 Los Angeles Vicinity of Crystal Lake 1677 Comment
  UCR270069  Schoenoplectus acutus R. G. Swinney 2010-6-29 13388 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA524181  Schoenoplectus americanus Timothy S. Ross, Steve Boyd 1990-6-6 2866 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA366002  Schoenoplectus californicus Georgie Cook, Thelma Ashley 1926-07 s.n. Los Angeles Gardena. Comment
  RSA750094  Schoenoplectus maritimus R. G. Swinney 2008-4-30 8699 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  UCR95419  Scirpus cernuus Steve Boyd 1996-4-25 8702 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienega Canyon, south of Liebre Mtn 951 Comment
  UCR95430  Scirpus cernuus Steve Boyd, Orlando Mistretta 1996-5-23 8820 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 500 Comment
  SEINET3165079  Scirpus cernuus G. B. Grant 1904-6-10 1181 a-6274 Los Angeles at Ballona Marsh Comment
  UCR239939  Scirpus microcarpus R. G. Swinney 2009-11-16 11634 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
  UC1234694  Scrophularia villosa Peter H. Raven 1962-5-10 17711 Los Angeles n Thirst; San Clemente Isl 304 Comment
  SD252381  Scrophularia villosa Steven A. Junak 1999-5-6 Sca 888 Los Angeles Santa Catalina Island: Parson's Landing, at W end of beach, just inland from creek mouth, W facing slope at 1st fork in canyon. 24 Comment
  RSA82311  Scutellaria siphocampyloides F. W. Peirson 1921-6-15 1051 Los Angeles Chilao, San Gabriel Mts. 1677 Comment
  RSA445371  Scutellaria tuberosa Ora M. Clark 1929-3-24 1772 Los Angeles Santa Susana Mountains. Comment
  UCR177717  Selaginella asprella L. C. Wheeler 1932-12-17 1453 Los Angeles Transverse Ranges; San Gabriel Mountains, The Hog Back, San Antonio Canyon 1159 Comment
  POM952  Selaginella bigelovii Philip A. Munz 1918-3-28 2010 Los Angeles Claremont, wash of Palmer's Canyon. Comment
  RSA527614  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1990-4-8 4400 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  CAS-BOT-BC333111  Senecio flaccidus var. douglasii A. D. E. Elmer 1902-6-1 3735 Los Angeles Acton Comment
  CAS-BOT-BC341204  Senecio lyonii Reid Moran 1941-3-2 665 Los Angeles Point between Wilson's Harbor & Howland's, Santa Catalina Island 10 Comment
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Apr 27 2018
  CATA382  Senecio lyonii Mark L. Hoefs 1974-5-1 442 Los Angeles Santa Catalina Island: By Renton Mine Road, northeast exposure 167 Comment
  NY42967  Senecio lyonii J. B. Walker 1995-4-8 1331 Los Angeles Santa Catalina Island, 2km S of Isthmus 100 Comment
  SD51881  Senecio lyonii Peter H. Raven 1962-4-9 17161 Los Angeles San Clemente Island, small ravine above Wilson Cove 74 Comment
  SD30994  Senecio vulgaris Edith A. Purer 1931-3-18 961 Los Angeles Palos Verdes Hills Comment
  UCSB41662  Senecio vulgaris Warren, Linette 1982-4-17 Los Angeles 900 feet up dirt road off Browns Canyon Road; 0.5 miles north of its junction with Simi Valley Fwy.; Browns Canyon; Chatsworth 365 Comment
  UCR172290  Setaria adhaerens Anuja Parikh, Nathan Gale 2005-7-11 2136 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  SD243256  Setaria parviflora Daniel Gluesenkamp 2006-11-23 Los Angeles Fallbrook. 1524 Dickey Street in abandoned citrus orchard. 232 Comment
  UCR210072  Setaria parviflora A. C. Sanders 2009-11-6 37213 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA607601  Setaria viridis L. C. Wheeler 1966-10-25 9064 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA433865  Sidalcea malviflora Anstruther Davidson 1890-09 s.n. Los Angeles San Gabriel Comment
  RSA191041  Silene antirrhina James Henrickson 1963-5-5 32324 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts., 518 Comment
  POM47666  Silene antirrhina F. W. Peirson 1921-6-19 2681 Los Angeles North Fork of San Gabriel River 1006 Comment
  SBBG95172  Silene gallica M. B. Dunkle 1928-5-12 1921 Los Angeles Empire Landing Comment
  SFV1221  Silene gallica P. G. Kilburn 1958-2-23 618 Los Angeles Santa Susana Mountains South slope of Oat Mountain. Roadside, 50 yards northwest of Brown Canyon Road. 366 Comment
  LA33910  Silene gallica Peter H. Raven; 1959-4-4 13979 Los Angeles 21 Comment
  RSA226193  Silene gallica Gary D. Cromwell, David W. Wheat 1971-5-8 636 Los Angeles Mystic Canyon, 2 mi NE of Glendora 426 Comment
  CAS-BOT-BC174908  Silene laciniata Le Roy Abrams 1901-4-3 1295 Los Angeles Santa Monica Mts. 304 Comment
  SBBG129310  Silene lemmonii A. Parikh, N. Gale 2012-5-10 3590 Los Angeles 0.8 km S of W Fork San Gabriel River, 0.9 km NE of Newcomb Pass 1070 Comment
  SFV16955  Silene verecunda J. N. Hogue, P. Wilson 1997-6-27 93 .2 Los Angeles San Gabriel Mountains Dawson Saddle Trail. 2470 Comment
  UCR141862  Silene verecunda R. G. Swinney 1997-8-19 5826 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  UC534849  Silene verecunda subsp. platyota Victor Duran 1933-7-24 3530 Los Angeles Buckhorn , Buckhorn (San Gabriel Mts.) 1981 Comment
  RSA0039137  Sisymbrium irio R. G. Swinney 2010-3-10 11791 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0087032  Sisymbrium orientale R. G. Swinney 2010-4-13 12207 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA724381  Sisymbrium orientale K. Dobry 1991-3-15 d- 593 Los Angeles West San Gabriel Mts. Upper Elsmere Cyn Comment
  RSA592232  Sisymbrium orientale L. C. Wheeler 1967-4-30 9250 Los Angeles 1/10 mile SE of mouth of Pacoima Canyon 473 Comment
  POM293480  Sisyrinchium bellum Lyman Benson 1945-5-11 11681 Los Angeles Indian Hill, Claremont. Pacific Slope Drainage Area. 396 Comment
  RSA614986  Sisyrinchium bellum Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail. 518 Comment
  UCSB29301  Sisyrinchium bellum Blakley, E. 1959-4-5 Los Angeles From beach, bluff on the west side of Point Dune 15 Comment
  UCR149851  Solanum americanum Scott D. White 2004-4-23 10228 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA187717  Solanum douglasii Robert F. Thorne 1966-4-5 35863 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  RSA592474  Solanum douglasii Mark Hoefs 1973-3-13 65 Los Angeles Santa Catalina Island: in upper Avalon Canyon, east of cactus area. 183 Comment
  RSA799916  Solanum douglasii Justin M. Wood 2009-3-20 380 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  POM4159  Solanum douglasii F. E. Durkee 1907-5-10 25 Los Angeles Claremont. 366 Comment
  RSA329671  Solanum douglasii Gary D. Wallace 1966-3-25 225 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena. 915 Comment
  RSA681925  Solanum nigrum Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9631 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  RSA427397  Solanum umbelliferum T. S. Clare 1929-3-3 15053 Los Angeles Topango [Topanga] Canyon. Comment
  RSA427412  Solanum umbelliferum C. Epling, L. Ellison 1929-4-17 s.n. Los Angeles Topango Canyon. Comment
  RSA427418  Solanum umbelliferum L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA681853  Solanum umbelliferum Scott D. White, Michael Honer 2003-6-18 9564 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  RSA640720  Solanum umbelliferum Louis C. Wheeler 1931-1-20 s.n. Los Angeles Sargents Grove: (vicinity of Claremont). Comment
  CAS-BOT-BC237746  Solanum wallacei A. J. McClatchie 1893-9-10 s.n. Los Angeles Valley, Catalina Island Comment
  IRVC28162  Solanum xanti A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26276 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  CDA8721  Solidago californica Phillipson 1915-9-12 Los Angeles South Santa Anita. Comment
  POM308916  Solidago californica Anonymous 720 Los Angeles West branch of San Dimas Canyon, road from Tanbark to Ranger Station, 1000 feet from junction with Dalton Road. 793 Comment
  RSA800512  Solidago velutina subsp. californica Jane Tirrell 2012-8-20 LS 0156 Los Angeles Approx. 100 meters south of California State Route 2 near Big Rock Creek drainage about 1.5 miles west of Dawson Saddle. 2346 Comment
  UC1215152  Sonchus asper Peter H. Raven 1962-4-12 17336 Los Angeles narrow canyon s of canyon below the Tomb (w side San Clemente Island); w side San Clemente Island 274 Comment
  CHSC98404  Sonchus oleraceus LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 236 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy land. On trail up out of canyon and going to the crest folllowing a ridge running northwest from the crest. 548 Comment
  UCR194263  Sonchus oleraceus R. G. Swinney 1998-8-6 6671 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 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
  LA206418  Sorghum halepense Monte Lloyd; 1950-7-30 400730 p930 Los Angeles Florence Ave. and Cedar St., Huntington Park 106 Comment
  UC53556  Sorghum halepense H. P. Chandler 1902-9-9 2014 Los Angeles raodside near Ballona Lagoon Comment
  SEINET11786447  Sparganium eurycarpum J. F. Bright, Wyman, C. 1931-1 5744 Los Angeles Hollywood Comment
  RSA482000  Spartium junceum Richard Noyes 1988-5-12 561 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  POM187615  Spergula arvensis J. Ewan 1930-3-11 3719 Los Angeles Mesa above Rustic Canyon, Pacific Palisades Comment
  RSA0097898  Spergularia bocconi A. C. Sanders, A. Thompson 2003-4-15 26004 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence. 366 Comment
  SBBG128558  Spergularia bocconi M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-21 2298 Los Angeles upper Bulrush Cyn 286 Comment
  UCR143225  Spergularia bocconi R. F. Thorne 1973-4-12 42928 Los Angeles Channel Islands, San Clemente Island; Pyramid Cove at S end of island 3 Comment
  RSA0098398  Spergularia macrotheca var. macrotheca Mark Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2378 Los Angeles Santa Catalina Island. Parson's Landing. 3 Comment
  RSA0098544  Spergularia marina Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/Studebaker Rd., near Long Beach Marina. 5 Comment
  RSA0098578  Spergularia villosa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5166 Los Angeles San Clemente Island: 950 ft WNW of Stone at the beginning of the Stone Canyon drainage. 442 Comment
  SEINET12343820  Stachys ajugoides Unknown 1933-5-28 8510 Los Angeles Hollywood Hills Comment
  UC57552  Stachys ajugoides var. rigida J. H. Barber 1897-4-3 120 Los Angeles Santa Monica Mts. Comment
  RSA446606  Stachys albens Thekla Mohr 1915-1 3256 Los Angeles North Fork, San Gabriel River. Comment
  RSA547798  Stachys albens Tim S. Ross, Peter Fritsch 1990-6-20 3604 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  UCR132946  Stachys albens Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  LA201932  Stachys bullata Arthur C. Gibson; 2001-5-19 4920 Los Angeles 121 Comment
  OBI2627  Stachys bullata Wesley Griesel 1963-5-22 786 Los Angeles Glen Oaks Blvd. San Rafael Hills, Glendale 305 Comment
  RSA580341  Stachys rigida subsp. rigida Louis C. Wheeler 1933-4-27 1665 Los Angeles San Pedro Hills 305 Comment
  SBBG126888  Stachys rigida var. quercetorum A. Parikh, N. Gale 2011-5-12 3384 Los Angeles Chino Hills, Upper Sonome Cyn, 1.1 km S of Tonner Cyn 386 Comment
  RSA714796  Stanleya pinnata Mark Elvin 2003-4-9 2468 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, canyon N of SR 126 from Grapevine Mesa . 335 Comment
  UCSB23655  Stanleya pinnata McPherson, James 1966-7-12 Los Angeles South side of Elizabeth Tabe Road, 2 miles east of its junction with Goode Hill Road, 7 miles west of Palmdale 914 Comment
  RSA592781  Stellaria media Steve Boyd 1996-4-25 8674 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures. 915 Comment
  SBBG119293  Stellaria media V. Soza, K. Hughes 1999-6-17 534 Los Angeles Chantry Flat, off USFS rd 2N41, W of water tank 701 Comment
  UCR281359  Stellaria media R. G. Swinney 2014-5-21 16624 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA662326  Stellaria media Daniel Curran 1981-3-3 50 Los Angeles Cal Poly Pomona campus near old greenhouse. Comment
  UCR180717  Stellaria nitens R. G. Swinney 1995-4-4 3478 Los Angeles San Gabriel Mtns, Glendora, ridge overlooking south end of Mystic Canyon at Big Dalton Canyon 451 Comment
  UCR141857  Stephanomeria cichoriacea R. G. Swinney 1997-8-19 5823 Los Angeles San Gabriel Mountains., San Anonio Peak (= Lookout Mountain), 60-100 m SE of summit. 2052 Comment
  UCD136246  Stephanomeria diegensis L. D. Gottlieb 1969-9-25 6946 Los Angeles 1-1.5 miles north of Route N1, Malibu Beach, on Route 1. Comment
  UCR281957  Stephanomeria parryi R. G. Swinney 2014-4-24 16192 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
  SBBG94873  Stephanomeria virgata A. C. Sanders 1987-10-18 7366 Los Angeles El Segundo dunes, W of LA Intl Airport, between Pershing Drive and Vista Del Mar Blvd 38 Comment
  UCR231168  Stephanomeria virgata Dan S. Cooper 2011-9-27 911- 114 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, slope south of Forest Lawn Dr. just west of Travel Town 178 Comment
  RSA474246  Stephanomeria virgata F. R. Fosberg 1931-9-17 S 5697 Los Angeles Los Angeles. 40 Comment
  UCR62829  Stipa californica B. Lennart Johnson 1960-3-19 s.n. Los Angeles Upper Twin Lake, above Bridgeport Comment
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Oct 29 2014
  IRVC26955  Stipa lepida A. C. Sanders 2003-4-17 26074 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  SEINET10610740  Stipa occidentalis LeRoy R. Abrams 1902-6-29 Abrams 2598 Los Angeles Summit of Mt. Wilson. Comment
  RSA188308  Stuckenia pectinata Robert F. Thorne 1966-6-1 36492 Los Angeles Santa Catalina Island: Muddy margin of reservoir at upper end of Cape Canyon 335 Comment
  RSA383484  Stuckenia pectinata L. C. Wheeler 1933-10-22 2197 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  RSA0076015  Stylocline gnaphaloides R. G. Swinney 2010-4-1 12127 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0113375  Stylocline gnaphaloides LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7553 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  RSA0120026  Stylocline psilocarphoides R. G. Swinney 2014-4-30 16295 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  LA200957  Suaeda taxifolia Carl Wishner; 1997-6-22 CW- 2525 Los Angeles Santa Monica Mountains, Zuma Beach, on intermediate coastal slope, adjacent to beach on n side of hwy 1 5.0 Comment
  RSA442109  Suaeda taxifolia M. B. Dunkle 1939-4-7 7333 Los Angeles San Clemente Island, Pyramid Cove. Comment