Search Results — 2000 specimen records retrieved (1567 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384188  Abies concolor V. V. Giles 1936-6-5 s.n. Los Angeles Crystal Lake, San Gabriel Mts. Comment
  RSA177689  Abronia maritima Robert F. Thorne, P. Everett 1965-5-11 34564 Los Angeles Santa Catalina Island. N beach of Little Harbor 2 Comment
  RSA460917  Abronia maritima Jack Rempel 1932-3-19 15240 Los Angeles El Segundo. Comment
  RSA534114  Abronia maritima Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5099 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  RSA0025885  Abronia umbellata Jon P. Rebman, Jonathan Dunn 1996-4-29 3105 Los Angeles San Clemente Island: Eel Cove and Eel Cove canyon on west side of island. 10 Comment
  SD69544  Abronia umbellata Robert F. Thorne, P. Everett 1965-6-23 34934 Los Angeles Santa Catalina Island; Ben Weston Beach, west side of island. Comment
  RSA0025878  Abronia umbellata Peter H. Raven 1962-7-10 17952 Los Angeles San Clemente Island. Near west shore of island due west of Wall 2. Comment
  UCR116290  Abronia villosa B. G. Pitzer 1998-5-12 3700 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  SEINET10452377  Acacia podalyriifolia Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4773 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CLARK-A1528-104  Acer macrophyllum Richard A. Minnich 1968-4-18 10 Los Angeles San Gabriel Mountains Comment
  HSC2803  Acer macrophyllum C. E. Fellows 1965-8-22 119 Los Angeles 1.1 mi. N of Angeles Crest fire station on Angeles Crest Hwy. 762 Comment
  RSA659580  Acer macrophyllum Brian McColgan 1988-5-16 20 Los Angeles 1 mile N of Padua on Mt. Blady Rd. 1067 Comment
  UCSB32419  Acer macrophyllum Bonquet, Jacqueline 1960-8-16 Los Angeles Switzer's Camp, Angeles National Forest, San Gabriel Mts. 1066 Comment
  RSA642511  Acer negundo subsp. californicum D. E. Bramlet 1999-11-16 2827 Los Angeles Old meander of San Jose Creek. 46m east of Valley Blvd. and 1km north of Grand Ave. 30m west of the existing San Jose Creek flood control channel. 58 Comment
  SD51907  Achillea millefolium Peter H. Raven 1962-4-11 17303 Los Angeles San Clemente Island; 1.0 mile south of Wilson Cove. 120 Comment
  SD13112  Acmispon americanus Edith A. Purer 1935-5-11 6574 Los Angeles Malibou Road, Santa Monica Mountains. Comment
  SD86313  Acmispon argophyllus var. adsurgens R. Beauchamp, M. Douglas 1972-3-24 3250 Los Angeles San Clemente Island: above Pyramid Cove. 149 Comment
  CAS-BOT-BC204781  Acmispon argophyllus var. argenteus Geo. B. Grant 1906-9-1 7162 Los Angeles Sta [Santa] Catalina Island Comment
  SBBG128304  Acmispon argophyllus var. argenteus S. Lawrence-Gomez, A. Cheung, D. Kasang, M. Zou, S. Ratay 2011-7-8 33 Los Angeles Deer Valley Trail 92 Comment
  UCR76410  Acmispon dendroideus var. traskiae T. S. Ross 1992-4-14 6174 Los Angeles Channel Islands; San Clemente Island, Central east side of island, east escarpment c. 20 m south of where Nanny Canyon drainage meets the sea 18 Comment
  UCD104126  Acmispon glaber Daryl Koutnik 1978-4-28 413 Los Angeles Point Dume near Zuma Beach. Comment
  SD253445  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-31 14928 Los Angeles Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  SBBG31443  Acmispon maritimus var. maritimus R. F. Thorne 1966-4-5 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SBBG68091  Acmispon strigosus R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  CAS-BOT-BC29202  Acourtia microcephala LeRoy Abrams 1902-7-2 2635 Los Angeles Sierra Madre Comment
  RSA0119797  Acourtia microcephala R. G. Swinney 2014-5-15 16508 Los Angeles San Gabriel Mountains; Glendora, ridge system between west fork and north fork of Hook Cyn., 0.48 miles n. of Sierra Madre Ave. 427 Comment
  RSA583023  Acourtia microcephala Tim Ross, Janet Takara, S. Otte 1993-4-24 6963 Los Angeles Santa Catalina Island. W end of island beyond the isthmus, lower Bouchette Canyon (draining northeastward to Johnsons Landing). 91 Comment
  CAS-BOT-BC133180  Adenostoma fasciculatum Timothy S. Ross; Victor W Steinmann 1995-5-8 8572 Los Angeles Slopes between Leona Valley and Lost Valley, Liebre Mountains 1182 Comment
  CDA25689  Adenostoma fasciculatum T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
  RSA725787  Adenostoma fasciculatum A. C. Sanders, Mark A. Elvin 2002-6-18 25129 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  UC859033  Adenostoma fasciculatum F. R. Fosberg 1931-4-10 S 4562 Los Angeles Santa Catalina Isl., Avalon Canyon 180 Comment
  UCR191665  Adenostoma fasciculatum Alex R. Van Dam 2004-4-25 042 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  RSA597138  Adenostoma fasciculatum var. fasciculatum Louis C. Wheeler 1961-6-9 7840 Los Angeles San Gabriel Mountains. Nameless gulch west of Lynx Gulch, off Big Tujunga Canyon. 1052 Comment
  SBBG131539  Adenostoma fasciculatum var. prostratum S. A. Junak 1999-7-16 SCa 1039 Los Angeles S side of Airport Rd, ca. 0.1 mi E of intersection with Empire Landing Rd 347 Comment
  RSA145435  Adiantum capillus-veneris P. H. Raven 1961-10-1 16781 Los Angeles San Gabriel Mnts.: upper Evey Canyon 915 Comment
  RSA727403  Adiantum capillus-veneris R. G. Swinney 1998-5-30 6162 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA730068  Adiantum capillus-veneris R. G. Swinney, D. W. Larson 1999-5-29 7230 Los Angeles San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  RSA527704  Agave americana Timothy S. Ross, Annette H. Ross 1991-3-7 4134 Los Angeles Elephant Hill: western Pomona. 244 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
  RSA416417  Agoseris retrorsa L. E. Hoffman 1929-5-15 s.n. Los Angeles Pacoima Canyon. Comment
  RSA763745  Agoseris retrorsa Orlando Mistretta, Christine Mistretta 2008-5-20 3154 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 96 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1476 Comment
  RSA95120  Agoseris retrorsa F. W. Peirson 1919-5-14 2764 Los Angeles East trail to Mount Lowe. 1066 Comment
  RSA191130  Agrostis exarata R. F. Thorne, M. Z. Thorne 1967-7-19 37143 Los Angeles San Gabriel Mountains, Angeles National Forest, Crystal Lake Recreation Area; above junction of roads to Crystal Lake and Angeles Crest Highway 1555 Comment
  RSA87122  Agrostis exarata F. W. Peirson 1923-8-31 4329 Los Angeles Big Pines Camp, north side of San Gabriel Mountains. 2088 Comment
  SD247278  Agrostis exarata R. G. Swinney 2008-7-2 9134 Los Angeles San Gabriel Mountains: north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon (Waterman Mountain 7.5'Q) 1939 Comment
  HSC94029  Agrostis stolonifera L. C. Wheeler 1967-9-17 Los Angeles San Gabriel Mountains, foot of Holiday Hill Ski Lift. 1997 Comment
  SD133107  Albizia distachya Steve Morgan 1991-3-3 Los Angeles San Dimas, SW corner of San Dimas Ave & Arrow Hwy. Comment
  SBBG133002  Allium S. A. Junak 1996-4-12 SCI 299 Los Angeles valley just NE of rd of Horse Beach Cyn, just W of rd to Pyramid Rd, ca. 2.85 mi SE of "Thirst" 396 Comment
  RSA787634  Allium burlewii Jane Tirrell, Graham Bothwell, Walter Fidler, Thomas Stoughton 2012-5-15 LS 0047 Los Angeles 100 meters above California State Route 2 near mile marker 66.43 2301 Comment
  CAS-BOT-BC135894  Allium haematochiton John Thomas Howell 1928-3-2 3359 Los Angeles Vermont Canyon [Canon], Griffith Park Comment
  UC1133849  Allium haematochiton Jerome S. Horton 1937-4-7 431 Los Angeles meadow s S.D. SRE (San Dimas Canyon); Pomona Quadrangle, San Dimas Canyon Comment
  PASA546  Allium lacunosum Margaret Stason 1931-6-13 Los Angeles Pinon Flats near Chilao, San Gabriel Mts. Comment
  CHSC4745  Allium lacunosum var. davisiae M. MacArthur 1967-6-24 60 Los Angeles 0.7 mi from turn-off on Angeles Crest Hwy. To lower Chilao keeping always to the right- - left side of rd. Los Angeles National Forest. 1584 Comment
  RSA366472  Allium monticola Fred Burlew 1916-07 3135 Los Angeles Mt. San Antonio. San Gabriel Mountains. Comment
  RSA251450  Allium praecox Robert F. Thorne 1966-4-16 36033 Los Angeles San Clemente Island, canyon between Seal Cove and Eel Point (2/3 miles SSE of point), SW of island 91 Comment
  RSA49016  Allophyllum glutinosum Verne Grant, Alva Grant 1949-4-28 8701 Los Angeles Winter Canyon north of Santa Monica. Comment
  RSA59162  Alnus rhombifolia P. C. Everett 1950-9-30 15897 Los Angeles Holcomb Canyon, along trail to Devil s Punchbowl. 1326 Comment
Read comments
Mar 20 2014
  RSA91233  Alnus rhombifolia F. W. Peirson 1919-1-5 301 Los Angeles Monrovia Canyon, San Gabriel Mountains 579 Comment
  CAS-BOT-BC138030  Alopecurus carolinianus Le Roy Abrams 1901-4-10 1455 Los Angeles Inglewood. Comment
  UCSC000229  Amaranthus albus Ernest Braunton 2-Oct 704 Los Angeles Echo Park Comment
  SDSU2090  Amaranthus blitoides J. Youngberg 2841 Los Angeles Pomona College, Archery Field, Claremont. Comment
  SBBG127982  Amaranthus deflexus M. L. Hoefs 1996-7-11 2762 Los Angeles Catalina St, one block up from Crescent St, Avalon 6 Comment
  SDSU6854  Amblyopappus pusillus R. M. Beauchamp 1967-3-17 250 Los Angeles East of Wilson Cove of San Clemente Island. Comment
  UCR68917  Amblyopappus pusillus Steve Boyd, T. Ross, et al 1990-4-7 4221 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SBBG98624  Amblyopappus pusillus T. Ross 1991-5-20 5348 Los Angeles ca. 5599 ft S of Wilson Cove settlement; W slope 2500' NW of 759' Benchmark 155 Comment
  RSA603826  Ambrosia acanthicarpa Steve Boyd 1997-9-17 10040 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  UCR121260  Ambrosia acanthicarpa R. G. Swinney 1989-11-24 1498 Los Angeles San Gabriel Mtns, Big Dalton Canyon area, in and near Glendora Wilderness Park. Big Dalton debris basin 366 Comment
  UCSB7143  Ambrosia acanthicarpa Philbrick, Ralph 1954-9-30 Los Angeles San Antonio Canyon 426 Comment
  SDSU157  Ambrosia chamissonis R. M. Beauchamp 1967-3-19 333 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC13720  Ambrosia chamissonis George B. Grant 1901-9-1 s.n. Los Angeles Redondo Comment
  SFV6498  Amsinckia intermedia T. Gordon, M. H. Grayum, P. McDonald 1974-6-4 s. n. Los Angeles Santa Susana Mountains Above cattle reservoir on Orcutt Ranch, north side of Oat Mountain Station. 1021 Comment
  UC284962  Amsinckia intermedia P. A. Munz 1923-4-8 6630 Los Angeles e coast San Clemente Island Comment
  RSA499940  Amsinckia intermedia F. R. Fosberg 1932-5-5 10643 Los Angeles Hills n. of Avalon, Santa Catalina Island. Comment
  RSA499956  Amsinckia intermedia Richard C. Barkelew 1929-4-23 18113 Los Angeles Mulholland Highlands near LA. Comment
  UCR95329  Amsinckia menziesii L. C. Wheeler 1967-4-30 9199 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of foothills (of San Gabriel Mtns), between Bouquet Junction and Bonelli Ranch 396 Comment
  IRVC26441  Amsinckia menziesii var. intermedia A. C. Sanders, Mark Elvin, et al. 2003-3-4 25700 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA0089902  Amsinckia menziesii var. menziesii T. S. Ross, J. Mark Porter 1995-5-4 8498 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA0091458  Amsinckia tessellata R. G. Swinney 2009-5-28 10937 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR223476  Amsinckia tessellata R. G. Swinney 2009-5-28 10937 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR51004  Amsinckia tessellata A. C. Sanders, E. J. Lawlor 1988-4-3 7744 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA0127621  Anagallis arvensis Richard G. Swinney 2014-5-19 16554 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
  RSA465143  Anagallis arvensis Louis C. Wheeler 1934-4-27 2567 Los Angeles Marshall Creek (La Verne Quad.) 488 Comment
  CAS-BOT-BC64022  Anisocoma acaulis Geo. L. Mosley 1922-4-17 928 Los Angeles Antelope Valley Comment
  SFV3677  Anisocoma acaulis P. G. Kilburn 1958-4-18 743 Los Angeles Mojave Desert Palmdale. Ave. N and 22nd Street, 3 miles northwest of town. 790 Comment
  SFV7502  Anisocoma acaulis M. H. Grayum, D. R. Perry, S. Merschel 1975-5-4 s. n. Los Angeles Mojave Desert Antelope Valley. Along Pearblossom Highway, west of Littlerock. 854 Comment
  LA200152  Anthemis cotula O. H. Kappler; 1943-5-23 465 Los Angeles Santa Monica Mountains, Trancas Canyon, West fork 518 Comment
  POM354837  Antirrhinum coulterianum E. S. Spalding 1923-5-3 s.n. Los Angeles Manhattan Beach. Comment
  RSA11025  Antirrhinum coulterianum Carl B. Wolf 1928-3-29 1603 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  SEINET12948091  Antirrhinum coulterianum E. D. Palmer 1902-1 s.n. Los Angeles Claremont. Comment
  UC76222  Antirrhinum coulterianum unknown May 1903 Los Angeles Laurel Canyon Comment
Read comments
Mar 13 2011
  UCR281656  Antirrhinum kelloggii R. G. Swinney 2014-5-27 16658 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
  UCR181254  Antirrhinum multiflorum R. G. Swinney 1997-6-12 5564 Los Angeles San Gabriel Mtns, San Gabriel River Canyon north of Morris Dam, at private shore NE of dam 488 Comment
  CATA1845  Antirrhinum nuttallianum Denise Kraus, Patricia Moore 2000-5-12 27 Los Angeles Santa Catalina Island: (Goat Harbor burn area) Valley/gully between the first two ridges which trend westward from the western fuel break ridge 320 Comment
  RSA3740  Antirrhinum nuttallianum subsp. subsessile Carl B. Wolf 1932-5-11 3565 Los Angeles San Clemente Island. West side of Isthmus Harbor. 15 Comment
Read comments
Jan 23 2014
  POM50356  Apiastrum angustifolium L. R. Abrams 1901-4-6 1414 Los Angeles Verdugo Hills Comment
  CDA5332  Apium graveolens T. C. Fuller 1961-5-11 7264 Los Angeles Northeast of Lemon Avenue & Vejar Road, Walnut. 0 Comment
  SFV21768  Arabidopsis thaliana L. Gross 2001-3-31 363 Los Angeles Verdugo Mountains South side of Verdugo Mountains at end of Olive Ave. Parked on Via Montana in Burbank, follow an old road that is overgrown that goes up to the main crest with Sunset Canyon to the west and Story Canyon to the east. On west-facing slope on and next to old road above a small side canyon that drains into Sunset Canyon. 366 Comment
  UC1870166  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. Comment
  UCR223762  Arabis glabra R. G. Swinney 2009-5-28 10977 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA0130221  Arabis laevigata George B. Grant 1905-6-10 6527 Los Angeles [Illegible] E Pa. [Presumably somewhere in East Pasadena.] Comment
  UCR222842  Arabis pulchra R. G. Swinney 2009-5-12 10718 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  UCR193158  Arabis repanda R. G. Swinney 1998-7-14 6444 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  SD230215  Arbutus menziesii Louis C. Wheeler 1969-12-6 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon along Mt. Wilson Trail. Northerly slope 837 Comment
  POM354299  Arceuthobium occidentale Louis C. Wheeler 1932-4-9 579 Los Angeles Kings Canyon near Elizabeth Lake. 1037 Comment
  CAS-BOT-BC102201  Arctium lappa Alice Eastwood 1915-8-25 4209 Los Angeles Duarte Comment
  SBBG39160  Arctostaphylos catalinae M. Van Rensselaer 1937-7-1 Los Angeles Santa Catalina Island Comment
  UC21892  Arctostaphylos catalinae Blanche Trask Apr. 1896 Los Angeles Avalon Santa Catalina Island (dry heights <?> above sea) Comment
  RSA233781  Arctostaphylos glandulosa subsp. mollis R. F. Thorne, Larry E. DeBuhr 1972-8-18 42234 Los Angeles Charlton Flats Burn W. of Mt. Mooney 1645 Comment
  CAS-BOT-BC39334  Arctostaphylos glauca C. F. Baker 1904-2-15 4013 Los Angeles San Antonia Canyon, Claremont Comment
  RSA630373  Arctostaphylos glauca L. C. Wheeler 1967-5-15 9587 Los Angeles San Gabriel Mountains: Elsmere Canyon, near mouth. 533 Comment
  RSA631495  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20190 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631537  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16012 Los Angeles Whitaker Peak, northwestern San Gabriel Mountains. Comment
  SBBG54045  Arctostaphylos glauca K. R. Montgomery, T. W. Strid 1973-3-22 73 -3 Los Angeles Dillon Divide, site of LASCA Cistus field plot Comment
  UC1552130  Arctostaphylos glauca David Charlton 1988-4-2 1486 Los Angeles 1-15 from Swarthout Valley Rd to end of pavement (under powerline); Cajon Pass 1524 Comment
  POM367289  Arctostaphylos glauca var. glauca Robert Gustafson 1978-6-1 938 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1311 Comment
  RSA579442  Arctostaphylos parryana T. S. Ross 1994-6-21 7987 Los Angeles Vicinity of Pacifico Mountain: decending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca. 2325 m NW of Pac. Mtn's 7124-foot summit. 1915 Comment
  RSA70417  Arctostaphylos parryana F. W. Peirson 1919-5-10 429 Los Angeles Mt. Gleason trail from Arrastre Creek, San Gabriel Mountains. 1738 Comment
  RSA634770  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20425 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA634929  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20236 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635102  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20481 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  UC854928  Argemone munita C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4614 Los Angeles Boquet Canyon 600 Comment
  RSA105993  Argemone munita Gerald B. Ownbey, Findley Ownbey 1954-5-28 2114 Los Angeles Mt. Wilson observatory road, 2.5 miles from observatory. 1524 Comment
  SBBG110998  Aristida adscensionis A. Parikh, N. Gale 1998-5-28 LA- 2 Los Angeles S of Agoura Hills; N of Triunfo Cyn Rd, near intersection of Kanan Rd 270 Comment
Read comments
Jun 23 2010
  SBBG131952  Aristida adscensionis S. A. Junak 2000-5-18 SCa 1297 Los Angeles W side of 4th of July Cove, 0.1 mi from turnoff to camp 36 Comment
  RSA12407  Artemisia biennis C. B. Wolf 1934-4-11 5620 Los Angeles Bryant Ranch, E of Long Beach, 180 ft. east of center of sec. and 150 ft. south of line of SE1/4; T4S R12W S27 SE/4 5 Comment
  UC624988  Artemisia californica F. R. Fosberg 1931-12-10 7156 Los Angeles <left fork> Pebble Beach Canyon; Santa Catalina Island, Pebble Beach Canyon 20 Comment
  CATA334  Artemisia douglasiana Mark L. Hoefs 1973-7-13 373 Los Angeles Santa Catalina Island: Middle Ranch Canyon just above reservoir, on north side of main road 236 Comment
  SD85055  Artemisia douglasiana E. R. Blakley 1962-10-5 5446 Los Angeles Santa Catalin Island; Cottonwood Canyon 1/4 mile upstream from ocean. 29 Comment
  SEINET6775469 Image available Artemisia dracunculus E. B. Bascock 1902-1 s.n. Los Angeles Near Pomona Comment
  UCR191257  Artemisia ludoviciana R. G. Swinney 1999-7-28 7576 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch 732 Comment
  RSA0021011  Artemisia tridentata Duncan S. Bell, Caitlin Elam 2013-7-11 5370 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  UCSB23177  Artemisia tridentata McMinn, Howard 1924-8-14 Los Angeles Newhall to Sangus Comment
  RSA93837  Artemisia tridentata subsp. parishii F. W. Peirson 1921-11-11 1452 Los Angeles Lower Bouquet Canyon. Comment
  RSA589095  Artemisia tridentata subsp. tridentata Orlando Mistretta 1994-9-13 1462 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  LA204638  Arthrocnemum subterminale Jonathan Sauer; T. McKnight 1971-8-14 4975 Los Angeles San Clemente Island, Northwest Harbor Comment
  SEINET10891689 Image available Artocarpus heterophyllus Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2532 Los Angeles The Farmers Market, 6333 3rd St. Stand: Ultimate Nut and Candy. Comment
  RSA509583  Arundo donax L. C. Wheeler 1967-7-23 10180 Los Angeles San Gabriel Mountains. Mojave Desert slope: pond 1/2 mi W from Barrel Springs, San Andreas Rift Zone. Comment
  UCR95505  Arundo donax Steve Boyd, Lauren Raz 1996-10-8 8989 Los Angeles Liebre Mountains, Bouquet Canyon, c. 1.7 mi south of the junction with Forest Service Road 6N08 561 Comment
  HSC3300  Asclepias eriocarpa C. E. Fellows 1965-9-7 160 Los Angeles 1/4 mi. up Hwy. from Charlton Flats Information Station, N side of Angeles Crest Hwy. Comment
  UC534846  Asclepias fascicularis Victor Duran 1933-8-11 3547 Los Angeles South Fork Big Rock Creek San Gabriel Mts. 1524 Comment
  UCR210224  Asclepias fascicularis R. G. Swinney 2008-8-14 9428 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  RSA0127175  Asclepias fascicularis Louis C. Wheeler 1967-7-23 10165 Los Angeles Barrel Springs. San Andreas Fault zone. Comment
  RSA233557  Asclepias vestita R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42100 Los Angeles 2.0 mi SE of Valyermo on road to Jackson Lake 1433 Comment
  SBBG58657  Asclepias vestita R. Hoffmann 1932-4-26 Los Angeles Harold Comment
  CAS-BOT-BC68854  Aspidotis californica Ethel, Miss Graves 1900-3-1 s.n. Los Angeles Millards Canyon Comment
  RSA686318  Aspidotis californica H. L. Bauer 1933-2-11 s.n. Los Angeles Near Saddle Peak Sana Monica Mts. 457 Comment
  UCR118598  Aster frondosus David Charlton, Lew Heide 1991-9-19 5611 Los Angeles Western Mojave Desert, Piute Ponds, SW side of Rosamond Dry Lake, Edwards Air Force Base 695 Comment
  RSA417653  Aster subulatus var. ligulatus H. L. Bauer 1929-09 379 Los Angeles Long Beach 30 Comment
  RSA5896  Aster subulatus var. ligulatus C. B. Wolf 1932-9-16 4118 Los Angeles Bryant Ranch: west side of San Gabriel River Flood Control, S of 7th Street (Long Beach) 3 Comment
  UCR205298  Astragalus bicristatus Valerie Soza, Naomi Fraga 2003-6-13 1670 Los Angeles San Gabriel Mountains, Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06 2530 Comment
  UCR190722  Astragalus coccineus R. G. Swinney 2001-4-18 7928 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  UCR154360  Astragalus didymocarpus A. C. Sanders 2005-5-5 29906 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road at NE end of mesa 640 Comment
  CAS-BOT-BC182302  Astragalus didymocarpus var. didymocarpus Ralph Hoffmann 1932-4-27 s.n. Los Angeles 5 miles n. of Lancaster Comment
  CATA3292  Astragalus didymocarpus var. didymocarpus Amy Catalano, Jen Dreizehn 2017-3-16 009 Los Angeles Santa Catalina Island: Top of knoll on west side of Airport Rd., 300 m by air southeast of KBRT building 415 Comment
  CAS-BOT-BC182299  Astragalus didymocarpus var. didymocarpus Lois E. James 1946-4-25 1747 Los Angeles Along the railroad tracks at Acton, Soledad Canyon Comment
  UCD104740  Astragalus douglasii L. Lapre 1990-4-24 s.n. Los Angeles Palmdale area, Elizabeth Lake Rd at California Aqueduct. San Andreas rift zone bisects the site. 914 Comment
  UC1929457  Astragalus miguelensis Mark Elvin, Orlando Mistretta 1996-3-24 120 Los Angeles Channel Islands; San Clemente Island: W On dunes. Comment
  RSA586449  Astragalus pachypus var. pachypus Orlando Mistretta 1995-2-28 1521 Los Angeles San Gabriel Mountains, Carr Canyon. 1067 Comment
  UCR198573  Astragalus preussii var. laxiflorus David Charlton 1992-5-13 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, 100 yards north of the South Base Well Fields water tower 701 Comment
  UCR180561  Astragalus purshii var. tinctus Scott D. White, Pam Devries 2006-5-10 11428 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  SEINET269154  Astragalus trichopodus Scott D. White 1995-3-15 2564 Los Angeles Upslope from Winter Canyon near Pepperdine Univ. N of Pacific Coast Hwy. E of Malibu Cyn. Rd. SW of Malibu Civic Cen 91 Comment
  UCR50685  Astragalus trichopodus subsp. leucopsis Lyman Benson, Joseph Lanjoiw, Robert Benson 1953-5-2 15111 Los Angeles Channel Islands, Santa Catalina Island, White's Landing. 15 Comment
  UCSB45417  Astragalus trichopodus var. lonchus Kaplan, Lisa 1979-3-10 Los Angeles Crest Rd., 1 mile north of Ganado Dr., Rancho Palos Verdes 335 Comment
  CAS-BOT-BC199085  Astragalus trichopodus var. phoxus Louis C. Wheeler 1931-11-11 345 Los Angeles Garapito Creek, Santa Monica Mts. 518 Comment
  RSA0116317  Astragalus trichopodus var. phoxus A. C. Sanders 2006-5-16 32358 Los Angeles Tehachapi Mtns. Foothills: off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake. 1015 Comment
  CAS-BOT-BC200836  Astragalus trichopodus var. trichopodus G. P. Rixford 1914-5-1 s.n. Los Angeles Avalon, Catalina Island Comment
  RSA600558  Athyrium filix-femina L. C. Wheeler 1954-9-1 7074 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA4810  Atriplex James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Comment
  UCR239960  Atriplex canescens R. G. Swinney 2009-11-13 11616 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  CAS-BOT-BC168279  Atriplex canescens var. canescens A. D. E. Elmer 1902-6-1 3647 Los Angeles Lancaster Comment
  SD255702  Atriplex coronata Mitch Provance 2010-5-18 17485 Los Angeles Westernmost Mojave Desert: Western Antelope Valley, along Lancaster Rd., near entrance to cement plant, ca. 0.6 mile east of intersection of Lancaster Rd. and County Route N2. 1021 Comment
  SD53035  Atriplex coulteri Peter H. Raven 1962-5-8 17589 Los Angeles San Clemente Island; Slopes above Seal Cove. 39 Comment
  CATA2961  Atriplex lentiformis Amy Catalano 2016-1-12 002 Los Angeles Santa Catalina Island: Just inside and to the right of the gate to the Laura Stein Volunteer Camp, about 2 meters from the road to the camp 371 Comment
  SBBG94217  Atriplex leucophylla F. R. Fosberg 1931-5-18 4894 Los Angeles Little Harbor 20 Comment
  POM18434  Atriplex pacifica P. A. Munz 1923-4-11 6764 Los Angeles San Clemente Island Comment
  RSA188922  Atriplex prostrata R. F. Thorne, P. Everett 1965-6-24 s.n. Los Angeles Santa Catalina Island. Shark Harbor, W side of Island. 8 Comment
  SBBG32240  Atriplex prostrata R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -245 Los Angeles Little Harbor Comment
  POM155783  Atriplex semibaccata M. B. Dunkle 1928-10-7 2000 Los Angeles Middle Ranch, Santa Catalina Island. 152 Comment
  RSA184496  Atriplex semibaccata P. A. Munz 1932-8-31 12820 Los Angeles Playa del Rey. Comment
  RSA453955  Atriplex semibaccata E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  UCD97700  Atriplex semibaccata S. E. Hallam 1931-9-28 2261 Los Angeles 3715 Lewis Avenue, Long Beach. Comment
  UCR238072  Atriplex suberecta Mark A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Western Transverse Range, Newhall Ranch, Salt Creek 305 Comment
  RSA746809  Atriplex suberecta Michael Honer 2003-7-8 1846 -A Los Angeles Tapia Canyon area, c. 2 - 3 air miles west if I-5 Freeway juntion with Ridgt Rt. Rd. 396 Comment
  RSA591401  Avena barbata L. C. Wheeler 1934-4-2 2499 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  UCR178904  Avena barbata R. G. Swinney 1989-5-31 s.n. Los Angeles San Gabriel Mtns., Glendora, north end of Big Dalton Dam near Big Dalton Canyon Rd. 518 Comment
  UCR259619  Avena barbata R. G. Swinney 2010-5-25 12955 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR281617  Avena barbata R. G. Swinney 2014-5-21 16639 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
  UCR186899  Avena fatua A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32045 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  RSA694978  Azolla filiculoides Freda Detmers 1928-10-17 s.n. Los Angeles Verdugo Woodlands. Comment
  UC1605369  Baccharis malibuensis J. Henrickson with T. Thomas, C. Wishner 1991-12-5 22452 Los Angeles 0.3 mi e Las Virgenes Road (along Las Virgenes Canyon Rd, towards Cottontail Ranch, under power lines across from home at 1643 Las Virgenes Canyon Road, on Soka Univ. property); Santa Monica Mtns 234 Comment
  POM350394  Baccharis pilularis M. B. Dunkle 1928-10-17 2021 Los Angeles Howland's Landing, Santa Catalina Island. Comment
  CAS-BOT-BC98157  Baccharis salicifolia Peter H. Raven 1957-9-21 11338 Los Angeles Dry hillsides at n.w. end of U.C.L.A. campus, Los Angeles Comment
  CHSC25950  Baccharis salicifolia James Henrickson 1972-3-17 7179 Los Angeles 5 road miles along Angeles Crest Hwy 5, NE of La Canada in San Gabriel Mts. 822 Comment
  OBI26286  Baccharis salicifolia Mark Schneider 1973-5-12 27 Los Angeles Vogel Flats, Big Tujunga Canyon 792 Comment
  POM42048  Baccharis salicifolia Marcus E. Jones 1924-2-15 s.n. Los Angeles San Antonio Canyon, Claremont. Comment
  UCR212824  Baccharis salicifolia Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1835 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UCSB27664  Baccharis salicifolia Lavinger, S. 1975-10-27 Los Angeles On Bear Divide 1 mile west from its junction with Little Tujunga Road; Little Tujunga Canyon 609 Comment
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Nov 12 2014
  VVC36  Baccharis salicifolia P. J. MacKay 1975-5-13 s.n. Los Angeles Pomona, Campus CalPoly; Parking lot north of health center. 253 Comment
  UC57569  Baccharis salicifolia subsp. salicifolia J. H. Barber 1897-1-17 20 Los Angeles Sullivan's Canon Comment
  JEPS42575  Barbarea orthoceras Frank W. Peirson 1922-7-5 3166 Los Angeles Big Pines San Gabriel Mountains, Swartout Valley region (in the Swartout Valley region, n side of San Gabriel Mountains) 2072 Comment
  UC1215127  Bassia hyssopifolia Peter H. Raven 1962-7-12 18033 Los Angeles San Clemente Island Northwest Harbor; , Northwest Harbor 9 Comment
  UC126705  Berberis nevinii H. M. Hall 1906-6-13 7407 Los Angeles 1 mi or so se Fernando 304 Comment
  RSA221898  Bergerocactus emoryi Arthur C. Gibson, R. F. Thorpe, Taxonomy class 1971-5-5 1970 Los Angeles Santa Catalina Island. Growing on the Pacific side, Indian Head Point. Comment
  SBBG31252  Bergerocactus emoryi R. F. Thorne with P. C. Everett 1965-6-24 35050 Los Angeles ridge between Little Harbor and mouth of Cottonwood Cyn 60 Comment
  CATA1648  Beta vulgaris Mark L. Hoefs, Steven A. Junak 1998-6-12 2931 Los Angeles Santa Catalina Island: Hillside above Catalina Harbor 14 Comment
  SD247314  Bidens frondosa R. G. Swinney 2009-11-9 11587 A Los Angeles Transverse Range; San Gabriel Mountains: confluence of San Gabriel River and East Fork San Gabriel River, to 150 meters upstream in East Fork. 427 Comment
  CAS-BOT-BC101996  Bidens pilosa John Thomas Howell 1927-6-30 2631 Los Angeles Hills at eastern city limits of Long Beach 30 Comment
  RSA482649  Boechera californica Samuel R. Tyson 1942-4-24 s.n. Los Angeles San Dimas Canyon Comment
  CAS-BOT-BC30965  Bolboschoenus maritimus Louis C. Wheeler 1932-9-19 1392 Los Angeles Los Angeles R. at Los Feliz Blvd. 121 Comment
  RSA715425  Boschniakia strobilacea R. G. Swinney 1997-8-19 5830 Los Angeles San Antonio Peak (=Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  UCR273367  Bothriochloa barbinodis R. G. Swinney 2011-3-18 14173 Los Angeles San Gabriel Mts., Glendora foothills, along Marshall Trail between Mull Canyon and Morgan Ranch Rd./Morgan Cyn., in dedicated open space 366 Comment
  RSA0115757  Bowlesia incana Steven A. Junak 1999-5-20 SCa- 945 Los Angeles Santa Catalina Island. Just S of Cottonwood-Black Jack Road. 304 Comment
  SBBG127003  Boykinia rotundifolia A. Parikh, N. Gale 2011-7-15 3560 Los Angeles West Fork San Gabriel River, 3.5 km W of St Hwy 39; San Gabriel Mtns 568 Comment
  UCR139148  Boykinia rotundifolia L. C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mtns, [Pigeon Ridge] west of heliport 1585 Comment
  CATA1122  Brachypodium distachyon Mark L. Hoefs 1995-5-23 2089 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  UCD57087  Brachypodium distachyon Robert F. Thorne; P. Everett 1965-5-11 34532 Los Angeles Santa Catalina Island. E side of Catalina Harbor. 45 Comment
  RSA0055986  Brassica geniculata Richard G. Swinney 2010-3-22 12038 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UCR223711  Brassica geniculata R. G. Swinney 2009-6-12 11116 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  SD52407  Brassica nigra Skip Stone May 1952 48 Los Angeles Blanchard Park (The Wash). 334 Comment
  RSA164839  Brassica rapa Wesley O. Griesel 1963-4-10 758 Los Angeles Cultivated field, Pasadena Comment
  RSA482919  Brassica rapa F. R. Fosberg 1931-5-14 S- 11872 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  CAS-BOT-BC100423  Brickellia californica Wesley O. Griesel 1961-9-23 s.n. Los Angeles [Switzers] Switzer Camp, San [Gavriel] Gabriel Mts. 762 Comment
  JEPS26177  Brickellia californica Peter H. Raven and Henry J. Thompson 1959-9-27 14501 Los Angeles Sepulveda Canyon, in coastal sage, Santa Monica Mountains. 243 Comment
  RSA0105489  Brickellia californica R. G. Swinney 2011-11-3 15992 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  UCR119834  Brickellia californica Jeremiah George 2001-7-20 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Forrestal Quarry, open space north of Forrestal Dr. near the boundary with Rolling Hills 244 Comment
  LA210526  Brickellia nevinii Louis C. Wheeler; 1931-9-27 163 Los Angeles SAN GABRIEL MOUNTAINS, San Dimas Canyon. 609 Comment
  RSA653374  Brickellia nevinii LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 266 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  UC1280468  Brodiaea kinkiensis Theodore F. Niehaus and Roderick 1965-4-2 397 Los Angeles se Lemmon Tank along s rim of canyon on e side San Clemente Island Comment
  RSA0034356  Bromus arenarius A. C. Sanders 2007-4-19 33423 Los Angeles Hills north of Oso Canyon and south of the National Cement Plant, Seen only in one place today: 34 deg 48 02N, 118 deg 44 52W. 1006 Comment
  RSA653129  Bromus berteroanus A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21990 Los Angeles San Gabriel Mountains: Soledad Pass area at N foot of mtns, ca. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation., (34 deg 28'58''N, 118 deg 07'24''W) 1000 Comment
  SEINET3128749  Bromus berteroanus G. B. Grant 1905-4-15 123 Los Angeles Pasadena Comment
  POM1269  Bromus carinatus D. L. Crawford, Otis Hiatt 1916-3-28 709 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  SBBG56591  Bromus carinatus R. Hoffmann 1931-5-4 Los Angeles north Bouquet Cyn Comment
  UCR191515  Bromus carinatus R. G. Swinney 1998-7-8 6313 A Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  RSA311352  Bromus carinatus var. carinatus R. F. Thorne, M. Z. Thorne 1969-7-10 38431 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood 1951 Comment
  RSA782106  Bromus catharticus A. C. Sanders, Dan S. Cooper 2010-4-30 38133 Los Angeles Madrona Marsh, Torrance 24 Comment
  RSA0081302  Bromus diandrus R. G. Swinney 2010-3-24 12077 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA670805  Bromus diandrus Joseph M. Keefe 2001-3-16 31099 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105 284 Comment
  RSA714196  Bromus diandrus Valerie L. Soza, Miriam Sidibeh 2003-3-26 1615 Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  RSA0039355  Bromus diandrus John F. Emmel 1995-3-25 1357 Los Angeles Verdugo Mountains NE of Burbank; along mid-portion of trail south above La Tuna Canyon, ca. 0.6-0.8 air mile north and 0.1-0.2 air mile east of peak 3077. 685 Comment
  RSA91369  Bromus diandrus F. W. Peirson 1918-04 1559 Los Angeles Altadena. Comment
  CLARK-A1528-4536  Bromus grandis John C. Roos 1942-5-23 1060 Los Angeles Santa Anita Canyon Comment
  RSA363857  Bromus grandis Samuel R. Tyson 1942-5-29 s.n. Los Angeles San Dimas Canyon, [San Gabriel Mountains] 518 Comment
  RSA462417  Bromus grandis Gary D. Wallace 1979-5-26 1849 Los Angeles San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station Comment
  SEINET251662 Image available Bromus grandis Mark A. Elvin, Cathleen Weigand 2003-5-22 2908 Los Angeles Santa Susana Mtns.: crest fo mountains at head of Salt Canyon Mewhall Ranch (Simi Valley East 7.5' Q.:) 914 Comment
  SEINET3922541  Bromus grandis Tim Ross, Walter Appleby 1993-5-20 7212 Los Angeles Western San Gabrial Mtns. Vicinity of Low Pinetos Spring. San Fernando 7.5' USGS quad.; 0 899 Comment
  CAS-BOT-BC155393  Bromus hordeaceus Timothy S. Ross; J. Mark Porter 1995-5-4 8514 Los Angeles Liebre Mountains. Texas Canyon. Ca. 3.6 road miles northeast of Bouquet Canyon Road. 682 Comment
  CATA1055  Bromus hordeaceus Mark L. Hoefs 1995-5-10 1988 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  CHSC36027  Bromus hordeaceus James Henrickson 1979-5-18 18136 Los Angeles Ca 1 mile N of Valencia, E of College of the Canyon between Valencia and McBean Parkway. 426 Comment
  SEINET269223 Image available Bromus rigidus Scott D. White, Chet McGaugh 1995-5-16 3059 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts.'Sunshine Cyn': W of San Fernando Rd. and I-5 fwy SW of interchange w/ 457 Comment
  POM50862  Bromus rubens Le Roy Abrams 1901-04 1207 Los Angeles Ballona Harbor, Los Angeles Comment
  RSA158203  Bromus rubens P. H. Raven 1962-5-9 17698 Los Angeles Floor of canyon just north of Gray, San Clemente Island 305 Comment
  UCR258737  Bromus rubens R. G. Swinney 2010-5-19 12830 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
  RSA0019955  Bromus tectorum L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  RSA0111950  Bromus tectorum Richard G. Swinney 2011-4-19 14411 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
  UCR97650  Bromus trinii A. C. Sanders, D. Woodard & G. Goodlet 1997-2-7 19671 Los Angeles Mojave Desert: Antelope Valley, Little Rock, W side of Little Rock Wash just north of the RR and among gravel pits. 832 Comment
  RSA219219  Buddleja saligna C. W. Tilforth, John Dourley 1970-9-17 307 Los Angeles Growing on bank above canyon floor at about the Heaton Flat area, west side of East Fork San Gabriel River Comment
  UCR97793  Cakile maritima Scott D. White 1997-3-12 4732 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UC851916  Calandrinia breweri Ira W. Clokey, B. Templeton Mar. 1929 4524 Los Angeles Mandeville canyon Santa Monica Mountains 350 Comment
  RSA570199  Calandrinia ciliata Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 5037 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA638186  Calandrinia ciliata L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 548 Comment
  UC557651  Calandrinia maritima Nell Murbarger April, 1936 217 Los Angeles on flat near the ocean San Clemente Island Comment
  RSA611670  Callitriche marginata Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10101 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  UCR16013  Calocedrus decurrens Steve Stadler 1966-4-17 41766- 58 Los Angeles San Gabriel Mountains, 1 mi west of Big Pines Junction on Big Pines to Palmdale 1982 Comment
  CAS-BOT-BC487470  Calochortus albus LeRoy Abrams 1902-7-1 2620 Los Angeles Little Santa Anita canyon 914 Comment
  POM155608  Calochortus catalinae M. L. Bryan 1928-4-20 53 Los Angeles Mandeville Canyon, near Santa Monica. Comment
  UC1929606  Calochortus catalinae Mark Elvin, Janet Takera, Mary Meyer, Shelia Shyler, Sarah Crockett 1997-3-16 368 Los Angeles Channel Island; Santa Catalina Island: Santa Catalina Island. Ridge top running due west of jct Divide Rd and road to Avalon. Comment
  RSA134724  Calochortus clavatus var. clavatus E. K. Balls, Percy C. Everett 1959-7-29 23863 Los Angeles Northeast of entrance to Stokes Canyon, Santa Monica Mountains. 244 Comment
  JEPS125895  Calochortus clavatus var. pallidus Dean W. Taylor 2002-4-30 18025 Los Angeles Upper headwaters Haskell Canyon, Del Sur Ridge, Angeles National Forest Comment
  UCR223184  Calochortus kennedyi var. kennedyi R. G. Swinney 2009-5-20 10806 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA549144  Calochortus plummerae Timothy S. Ross 1992-7-16 6695 Los Angeles San Gabriel Mountains: S of Indian Ben Saddle, NE of Iron Mountain 1573 Comment
  UCSB635  Calochortus plummerae Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon, 2 mi. from 101 Comment
  RSA9067  Calochortus plummerae R. Johnson 1931-06 3194 Los Angeles Verdugo Mountains: Tuna Canyon, Johnsons Ranch. 351 Comment
  RSA23636  Calochortus striatus Theodore Payne 1939-5-19 9504 Los Angeles West Mojave Desert, Antelope Valley, Lancaster. 762 Comment
  UCR209910  Calyptridium R. G. Swinney 2008-7-24 9286 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  SBBG121264  Calyptridium monandrum V. Soza, L. Moore 2000-5-10 849 Los Angeles Verdugo Crestline Drive, N of La Tuna Cyn and S of Pasko Park, fire rd S of Verdugo Crestline Dr from fire gate to power lines, W of peak '1936" 563 Comment
  UCR150458  Calyptridium monandrum R. G. Swinney 1999-6-21 7369 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UCR276887  Calyptridium monandrum R. G. Swinney 2011-6-7 15094 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
  SD230272  Calyptridium monospermum V. W. Steinmann 1996-6-17 916 Los Angeles San Gabriel Mountains: 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail. 2850 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
  OBI63065  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-24 20000 Los Angeles San Gabriel Mts, foot of Mt. Baldy rd just N of Claremont; 600 Comment
  HSC94289  Calystegia peirsonii Robert A. Schlising 1972-6-1 3040 Los Angeles W of Palmdale, along Bouquet Canyon Rd., 3.7 mi. E of jct. with Spunky Canyon Rd. and the Bouquet Reservoir Comment
  RSA617394  Calystegia peirsonii Scott D. White, Sandy Leatherman 1998-6-4 6656 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed,North Lake Planned Community 425 Comment
  RSA648040  Calystegia peirsonii Orlando Mistretta 1992-7-13 678 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UCR230258  Camissonia Dan S. Cooper 2011-4-20 411- 14 B Los Angeles South Coast, El Segundo Dunes, along powerline right-of-way just east of Hyperion Treatment Plant 27 Comment
  RSA507987  Camissonia bistorta Steve Boyd, T. S. Ross 1988-4-28 2242 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA0059135  Camissonia bistorta Floy L. Robinson 1921-4-15 37 Los Angeles Claremont. 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
  UCR190378  Camissonia campestris R. G. Swinney 2001-4-18 7915 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  RSA454027  Camissonia cheiranthifolia subsp. suffruticosa C. Bavers 1906-5-30 s.n. Los Angeles Terminal. Comment
  RSA454030  Camissonia cheiranthifolia subsp. suffruticosa Dorothy Nichols 1936-4-1 s.n. Los Angeles El Segundo. Comment
  UCR194024  Camissonia claviformis R. G. Swinney 1999-6-5 7255 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA248831  Camissonia guadalupensis subsp. clementina Robert F. Thorne 1973-4-11 42878 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  RSA448986  Camissonia hirtella Anstruther Davidson 1904-6-1 1083 Los Angeles Wilsons Peak, L.A. Comment
  RSA617459  Camissonia hirtella Scott D. White, Sandy Leatherman 1998-5-19 6530 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 Freeway/ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR100607  Camissonia hirtella B. G. Pitzer 1996-5-5 2855 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR78133  Camissonia hirtella Wandalee Thompson 1964-4-11 11 Los Angeles San Gabriel Mtns., Liebre Mountains, San Francisquito Canyon 640 Comment
  RSA454083  Camissonia lewisii Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  HSC16498  Camissonia micrantha David Porter 1965-4-27 Los Angeles 1/2 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  RSA191127  Camissonia micrantha Robert F. Thorne, M. Z. Thorne 1967-6-25 37093 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA449025  Camissonia micrantha Robert Gustafson 1981-3-10 2117 Los Angeles Ballona Wetlands, Area 1. Comment
  OBI70931  Camissoniopsis bistorta Steve Boyd, Lauren Raz 1997-3-25 9312 Los Angeles Liebre Mts region. Upper end of broad alluvial valley at head of Cienaga Cyn, S base of Liebre Mtn, at end of dirt rd leading 1 km NE of Knapp Ranch 1280 Comment
  UCD103442  Camissoniopsis bistorta Kenneth A. Wilson 1961-2-20 864 Los Angeles San Gabriel Mountains. Little Tijunga. Comment
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Oct 29 2014
  SD39508  Camissoniopsis bistorta Edith A. Purer 1931-2-28 Los Angeles Verdugo Hills, hillsides Comment
  JEPS31762  Camissoniopsis cheiranthifolia subsp. suffruticosa Julia A. Bettys 1929-5-20 Los Angeles Los Angeles, Manhattan Beach Comment
  SD90382  Camissoniopsis guadalupensis subsp. clementina Robert F. Thorne 1966-4-16 36036 Los Angeles San Clemente Island; sandybank of old raised beach, 0.67 mile southsoutheast of Eel Point and north of Seal Cove, southwest side of island. 29 Comment
  UC20497  Camissoniopsis micrantha W. H. Brewer Feb. 1861 221 Los Angeles Santa Susanna Mountains Comment
  SBBG61352  Camissoniopsis pallida R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna, near Acton Comment
  RSA530913  Cannabis sativa Alex Krichef 1969-5-24 s.n. Los Angeles Growing in vacant lot in Hollywood Hills. Comment
  SFV6355  Capsella bursa-pastoris T. Gordon 1974-3-20 83 Los Angeles San Fernando Valley Los Angeles, Northridge. CSUN campus orange grove. 260 Comment
  SFV9176  Capsella bursa-pastoris J. Turner, F. M. Ball 1963-4-3 s. n. Los Angeles San Gabriel Valley La Verne. Open lot on Highway 66 near Pomona city limit. 350 Comment
  CAS-BOT-BC37462  Cardamine californica Jerome S. Horton 1941-4-4 93992 Los Angeles San Dimas Canyon trail to flumes 4 & 5. 609 Comment
  POM369321  Cardamine californica var. integrifolia T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA127413  Cardamine californica var. integrifolia H. J. Thompson 1959-3-22 1871 Los Angeles 1 mile W of Triunfo Canyon, 3 miles W of Malibu Lake, Lobo Canyon. 274 Comment
  UCR205690  Cardamine flexuosa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36979 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  CAS-BOT-BC37903  Cardamine oligosperma Louis C. Wheeler 1934-3-23 2464 Los Angeles San Dimas Canyon. San Gabriel Mountains. 426 Comment
  RSA653345  Cardaria draba Kelly Middleton, David Middleton 1988-5-8 5 Los Angeles Glendora Ridge Road, 4.4 miles west of Mt Baldy Road intersection. 1220 Comment
  RSA127774  Cardionema ramosissimum Peter H. Raven, Henry J. Thompson 1959-6-4 14338 Los Angeles Santa Monica Mountains, Point Dume Comment
  RSA747102  Carduus pycnocephalus A. C. Sanders, T. B. Salvato 2009-5-19 36815 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 110 Comment
  UCR209617  Carex R. G. Swinney 2008-10-10 9584 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
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Sep 12 2018
  RSA0045414  Carex Wendy Boes, Andrew Wheeler 2009-7-13 2009 -047 Los Angeles San Grabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  UC830136  Carex L. A. Warner 1941-8-4 Los Angeles 517 La Mirada, in lawn San Marino 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
  RSA775351  Carex alma Orlando Mistretta, Christine Mistretta 2010-6-4 5262 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  SEINET3896999  Carex alma Tim Ross, Peter Fritsch 1990-6-20 3637 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel river.; 0 445 Comment
  UC212091  Carex alma G. B. Grant 1904-6-17 6305 Los Angeles near Pasadena Comment
  RSA602743  Carex alma L. C. Wheeler 1967-7-20 10140 Los Angeles San Gabriel Mountains: Aliso Canyon. 1066 Comment
  RSA641523  Carex alma L. C. Wheeler 1967-5-31 9807 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  JEPS48975  Carex multicaulis Joseph Ewan 1933-7-9 7870 Los Angeles Monrovia Peak 1463 Comment
  SBBG125452  Carex multicaulis A. Parikh, N. Gale 2010-6-17 3320 Los Angeles upper Big Tujunga Cyn, 0.2 km N of St Hwy 2, 0.4 km NE of intersection of St Hwy 2 and upper Big Tujunga Cyn Rd, San Gabriel Mtns 1360 Comment
  CAS-BOT-BC32077  Carex multicaulis Robert F. Thorne; M. Z. Thorne 1967-7-19 37148 Los Angeles San Gabriel Mts. Angeles National Forest. Crystal Lake Recreation area. 1554 Comment
  RSA188180  Carex praegracilis Robert F. Thorne 1966-4-6 35902 Los Angeles Santa Catalina Island: N of Catalina Airport 442 Comment
  RSA601841  Carex praegracilis Steve Boyd 1996-4-25 8695 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA250391  Carex senta Robert F. Thorne 1969-05 36909 Los Angeles Along Little Rock Creek. 1311 Comment
  UC128650  Carex spissa J. H. Barber 1898-7-3 795 Los Angeles Santa Monica Canyon Comment
  UCR202735  Carex subfusca R. G. Swinney, Cody Clarke 2001-8-22 8075 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR124566  Castilleja B. C. Templeton 1932-6-17 4909 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  CATA1964  Castilleja affinis F. R. Fosberg 1931-3-25 4362 Los Angeles Santa Catalina Island: Hamilton Canyon 10 Comment
  SBBG17965  Castilleja affinis E. R. Blakley 1963-4-7 5537 Los Angeles Farnsworth Spring, NW of Avalon on the island rd 365 Comment
  SBBG66843  Castilleja affinis R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  UCR126998  Castilleja affinis A. C. Sanders 2003-6-19 26969 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  LA82060  Castilleja affinis O. H. Kappler; 1940-6-30 52 Los Angeles SANTA MONICA MOUNTAINS, Escondido Canyon, lower canyon. Comment
  UC138725  Castilleja affinis subsp. affinis C. F. Baker 1904-5-6 4745 Los Angeles near Pomona Comment
  UC885363  Castilleja applegatei subsp. martinii I. W. Clokey and E. G. Anderson 1935-5-9 6899 Los Angeles San Dimas Canyon Comment
  JEPS3181  Castilleja applegatei subsp. martinii John Thomas Howell 1928-5-6 3781 Los Angeles trail to Madrono Flat San Gabriel Mts., East Fork Santa Anita Canyon Comment
  UCR187192  Castilleja attenuata A. C. Sanders 2006-4-21 32149 A Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  RSA594745  Castilleja foliolosa Tim S. Ross 1995-4-7 8359 Los Angeles Templin Highway ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  RSA576130  Castilleja grisea F. H. Elmore 1939-2-18 384 Los Angeles San Clemente Island. Comment
  UCR129384  Castilleja linariifolia Orlando Mistretta 1994-9-13 1467 Los Angeles San Gabriel Mtns, Santiago Canyon, Santiago Creek near junction of Forest Service Road 4N20 and BM 3980 1213 Comment
  UCR150857  Castilleja miniata R. G. Swinney 1999-8-16 7665 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  RSA448734  Castilleja miniata subsp. miniata Bonnie C. Templeton 1932-7-20 5009 Los Angeles Big Pines Park. 2092 Comment
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Jan 31 2008
  POM145748  Castilleja minor subsp. spiralis Thomas Craig 1927-6-19 479 Los Angeles Between Acton and Ravenna, Soledad Canyon. Comment
  RSA547473  Castilleja minor subsp. spiralis Tim S. Ross, Orlando Mistretta 1992-7-24 6768 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  SBBG125461  Castilleja minor subsp. spiralis A. Parikh, N. Gale 2010-6-18 3329 Los Angeles upper Big Tujunga Cyn, 1.2 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1225 Comment
  JEPS3172  Castilleja plagiotoma Frank W. Peirson 1919-5-11 210 a Los Angeles Arrastre Canyon (Arraster? near Ravenna RR. station) Arrastre Canyon; San Gabriel Mountains, Arrastre Canyon 838 Comment
  SEINET12032962  Casuarina equisetifolia W. F. Wight 1907-1 1663 Los Angeles Los Angeles, West Lake Park Comment
  RSA0086399  Caulanthus amplexicaulis R. G. Swinney 2008-5-5 8756 Los Angeles San Gabriel Mtns.: Big Rock Creek at Paradise Springs. 1427 Comment
  UC1126947  Caulanthus coulteri A. D. Gifford 1935-3-6 443 Los Angeles 2-8/10 mi sw Red Mtn; Tejon Quad., Angeles National Forest Comment
  UCR265464  Caulanthus coulteri Jordan Zylstra, K. Morse 2015-4-10 15004 Los Angeles Western Antelope Valley, Tejon Ranch, NW of Quail Lake 1102 Comment
  UCR223285  Caulanthus inflatus R. G. Swinney 2009-5-5 10633 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA0103473  Caulanthus lasiophyllus R. G. Swinney 2011-5-10 14654 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  JEPS42083  Ceanothus arboreus W. L. Jepson 1908-7-13 3062 Los Angeles Swan Canyon Catalina Island Comment
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Feb 13 2012
  SBBG21947  Ceanothus arboreus R. F. Thorne with P. C. Everett 1964-2-6 33293 Los Angeles above Fourth of July Cove 30 Comment
  UC1071023  Ceanothus crassifolius R. St. John 1930-2-5 86 Los Angeles Oat Mountain 1066 Comment
  CAS-BOT-BC48874  Ceanothus cuneatus Mrs. G. Earle Kelly 1926-4-1 s.n. Los Angeles between Los Angeles and Mojave Comment
  POM8770  Ceanothus cuneatus P. A. Munz 1920-3-10 3334 Los Angeles Claremont. 366 Comment
  SFV2218  Ceanothus cuneatus P. G. Kilburn 1958-3-11 658 Los Angeles San Gabriel Mountains Tapia Canyon north of Wayside Honor Ranch and just south of Castaic. Half way up canyon. 480 Comment
  UCR124592  Ceanothus cuneatus B. C. Templeton, I. W. Clokey 1930-4-8 1084 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  CAS-BOT-BC50596  Ceanothus leucodermis Le Roy Abrams 1901-4-13 1496 Los Angeles Sierra Madre Mts., Wilson's Trail 548 Comment
  RSA550441  Ceanothus leucodermis Tim S. Ross 1992-7-10 6640 Los Angeles San Gabriel Mountains; Big Tujunga Canyon, 310m E of where Coldwater Canyon meets Big Tujunga Creek. Disturbed chaparral just S of creek, E side of the road to Colby Ranch. 973 Comment
  UC1070859  Ceanothus leucodermis A. Lewis 1934-2-1 278 Los Angeles Iron Mtn. San Fernando quad., Angeles National Forest 1341 Comment
  UCR260802  Ceanothus leucodermis R. G. Swinney 2010-8-9 13465 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  RSA14405  Ceanothus megacarpus Elmer I. Applegate 1927-2-18 4979 Los Angeles Mandeville Canyon Comment
  RSA158347  Ceanothus megacarpus var. insularis Peter H. Raven 1962-5-9 17704 Los Angeles Just N of Gray, San Clemente Island. 366 Comment
  CAS-BOT-BC51440  Ceanothus megacarpus var. megacarpus Robert F. Thorne; Reed Rollins; Doug Propst; R. Carolin 1967-3-18 36733 Los Angeles Santa Catalina Island: Salta Verde, approx. N of Salta Verde Pt. 365 Comment
  UCR270645  Ceanothus oliganthus var. oliganthus R. G. Swinney 2011-3-22 14179 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  RSA95347  Ceanothus oliganthus var. oliganthus F. W. Peirson 1925-3-18 5470 Los Angeles South slope of Newhall Grade, west end of San Gabriel Mts 381 Comment
  SD37636  Ceanothus spinosus Edith A. Purer 1935-5-11 6564 Los Angeles Hillside, Malibou Road, Santa Monica Mountains Comment
  UCR3986  Ceanothus spinosus Art Whistler 1965-4-13 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., c. 50 yards south of intersection of Canyon Drive with Mulholland Hwy, in Calabasas 335 Comment
  UCSB40873  Ceanothus vestitus Risk, Paul 1963-5-14 Los Angeles 4 miles south of Little Rock Dam on Chilago Road, San Gabriel Mountains 1127 Comment
  RSA656868  Centaurea melitensis Joseph M. Keefe 2001-1-24 31011 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCD150977  Centaurea melitensis D. S. Park 2010-4-29 63 Los Angeles Wildwood Canyon, trailside. Growing on hillside 30 degree gradient. 447 Comment
  RSA658900  Centaurea melitensis J. S. Burns 1992-5-5 6 Los Angeles 1 mile north on Van Tassel fireroad from south access; Angeles National Forest. 457 Comment
  SBBG31088  Centaurea solstitialis R. F. Thorne 1966-9-14 36624 Los Angeles Middle Ranch, Middle Ranch Cyn 213 Comment
  IRVC26638  Centaurium venustum I. W. Clokey, B. C. Templeton Jul 1929 4574 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  UCR17493  Centranthus ruber Anna Mayers 1978-4-14 s.n. Los Angeles Hollywood Hills, Griffith Park off Bronson, City of Los Angeles Comment
  RSA588094  Centrostegia thurberi Orlando Mistretta 1994-5-31 1263 Los Angeles San Gabriel Mountains: Santiago Canyon: N slope of Pacifico Mountain. 2119 Comment
  RSA552392  Cercocarpus betuloides D. Charlton 1990-4-15 4187 Los Angeles Kentucky Springs, Sierra Hwy, northern edge of the Angeles National Forest 1037 Comment
  CAS-BOT-BC142131  Cercocarpus betuloides var. betuloides Carl B. Wolf 1927-7-24 679 Los Angeles Chevy Chase Drive between Flintridge and Glendale Comment
  CAS-BOT-BC142137  Cercocarpus betuloides var. betuloides Carl Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC137237  Cercocarpus betuloides var. blancheae Peter H. Raven 1962-5-21 17800 Los Angeles Santa Catalina Island: Bullrush Canyon, about opposite ranch in Middle Canyon 213 Comment
  CAS-BOT-BC137248  Cercocarpus betuloides var. blancheae S. B. Parish 1916-3-31 107512 Los Angeles Santa Catalina Island Comment
  SEINET946148  Cercocarpus betuloides var. blancheae C. B. Wolf 1932-1 4222 Los Angeles West slope above road in back of St. Catherine Hotel, Avalon, Santa Catalina I. Comment
  CAS-BOT-BC147722  Cercocarpus betuloides var. traskiae Robert F. Thorne; Reed Rollins; Doug Propst; R. Carolin 1967-3-18 36735 Los Angeles Santa Catalina Island: (Wild Boar Gully), ca. 1 mi WNW of Salta Verde Pt. 198 Comment
  HSC98402  Cercocarpus montanus var. glaber C. E. Fellows 1965-9-7 145 Los Angeles 8 mi. up Mt. Wilson Rd. past Red Box 1829 Comment
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Aug 27 2014
  RSA198831  Cercocarpus traskiae Robert F. Thorne 1968-5-28 37674 Los Angeles Santa Catalina Island. Lower slope of Wild Boar Gully, due N of Black Ridge and ca. 1 mi. WNW of Salta Verde Pt. 198 Comment
  UCR108667  Cestrum nocturnum L. C. Wheeler 1936-2-23 4079 Los Angeles San Gabriel: 217 S. Muscatel Avenue 107 Comment
  CHSC26376  Cestrum parqui Marilyn Chase 1967-7-7 176 Los Angeles Pasadena, Calif. Inst. of Tech., Earhart Plant Research Lab. Comment
  SEINET2029300 Image available Chaenactis glabriuscula var. curta Muriel F. Wheeler 1938-5-26 894 Los Angeles Thompson Xcreek Wash, 1.5 miles northeast of La Verne 375 Comment
  RSA587539  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1115 Los Angeles Santiago Canyon. Ridge on W edge of Santiago Cyn. watershed, approximatly 1 mi. S of Mt. Emma. 1387 Comment
  UCR276794  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-3-29 14252 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  POM18143  Chaenactis santolinoides Philip A. Munz 1923-5-25 6812 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  UC1584220  Chaenactis santolinoides Tim Ross and Steve Boyd 1990-5-17 2592 Los Angeles Mill Creek Tree Plantation, Tujunga District San Gabriel Mts., Angeles National Forest 1612 Comment
  RSA435965  Chamaesyce albomarginata Roy R. Snelling 1977-6-9 19 Los Angeles 2 miles south of Pearblossom. 1067 Comment
  UC1215471  Chamaesyce albomarginata E. R. 1934-3-28 4498 Los Angeles just w Lancaster; Mojave Desert Comment
  UC494207  Chamaesyce maculata Arthur N. Carter 1932-11-6 Los Angeles Sierra Madre, base of mountains 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
  UC519728  Chamaesyce melanadenia Joseph Andorfer Ewan 1932-5-10 7460 Los Angeles above Verdugo Hacienda; Verdugo Canyon Comment
  SFV2084  Chamaesyce polycarpa M. L. Vincent 1961-3-17 s. n. Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 4 miles west of Topanga Canyon Road. Comment
  LA201001  Cheilanthes covillei Carl Wishner; 1996-12-19 2420 Los Angeles SANTA MONICA MOUNTAINS, Ladyface Mountain, E arm, along Kanan Dume Rd. 250.0 Comment
  RSA535736  Cheilanthes newberryi T. S. Ross 1991-5-23 5485 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 3 Comment
  UC557639  Cheilanthes newberryi Nell Murbarger March, 1936 40 Los Angeles from e side to mesa summit San Clemente Isl (also along parts of w coast) Comment
  RSA732722  Chenopodium album var. album A. C. Sanders 2002-7-20 25220 Los Angeles NE end of Santa Ana 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
  SD197746  Chenopodium berlandieri A. C. Sanders, T. B. Salvato and Mitch Provance 2009-5-28 36999 Los Angeles San Gabriel Valley; San Gabriel River channel between Ramona Blvd. and Loweer Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte. 92 Comment
  UC7270  Chenopodium berlandieri J. Burtt Davy Oct., 1896 2768 Los Angeles Santa Monica Comment
  UCR194011A  Chenopodium berlandieri R. G. Swinney 1998-8-21 6777 Los Angeles San Gabriel Mtns., Cow Canyon, upper NE fork, north of Cow Canyon Rd., c. 0.7 mi. NW of Cow Canyon Saddle 1402 Comment
  UCR95513  Chenopodium botrys L. C. Wheeler 1966-10-6 8955 Los Angeles San Gabriel Mtns., Buckhorn guard station Angeles Crest Highway Comment
  POM155621  Chenopodium californicum M. L. Bryan 1928-9-28 10 Los Angeles Mandeville Canyon near Santa Monica. Comment
  RSA249819  Chenopodium californicum R. F. Thorne, Gary D. Wallace 1973-4-25 43363 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  SBBG13270  Chenopodium californicum M. A. Piehl 1962-6-9 62338 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  SD231277  Chenopodium californicum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 69 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Highway (Road North) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR186776  Chenopodium californicum A. C. Sanders 2006-5-16 32346 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  UCR210089  Chenopodium fremontii R. G. Swinney 2008-8-13 9397 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  UC465472  Chenopodium multifidum Geo. B. Grant 1904-8-1 1133 Los Angeles Pasadena Comment
  RSA0039138  Chenopodium murale R. G. Swinney 2010-3-10 11790 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  SBBG95275  Chenopodium murale M. B. Dunkle 1928-4-9 1813 Los Angeles Emerald Bay Comment
  UC56058  Chenopodium murale J. H. Barber 1897-5-12 152 Los Angeles Santa Monica Forestry Station Comment
  RSA478539  Chenopodium murale Fred H. Jensen 1921-7-10 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  RSA229884  Chenopodium pratericola H. A. Wahl 1967-8-2 C 722 Los Angeles [Unspecified] Comment
  CDA3111  Chenopodium pumilio L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  LA201083  Chenopodium pumilio Louis C. Wheeler; 1932-7-2 Los Angeles San Gabriel Mountains, San Dimas Canyon 457 Comment
  UCR84563  Chenopodium rubrum T. S. Ross 1994-9-21 8334 b Los Angeles San Gabriel Mtns., 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the south side of W Oakdale Canyon Rd, c. 100 m west of the Cow Spring Drainage. 1155 Comment
  UCR61522  Chorizanthe leptoceras T. P. Krantz, Fred Hinshaw, Christi Perala 1988-5-3 s.n. Los Angeles Big Tujunga Canyon Wash, east of Foothill Blvd. crossing of wash. Site proposed for development of Los Angeles International Golf Course [built, =Angeles National G. Club] 384 Comment
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Oct 25 2015
  CAS-BOT-BC252775  Chorizanthe parryi var. parryi Marcus E. Jones 1926-5-21 s.n. Los Angeles Mountains near Claremont Comment
  RSA29731  Chorizanthe parryi var. parryi Louis C. Wheeler 1932-5-27 765 Los Angeles Thompson Creek Dam near Claremont 488 Comment
  UCR167546  Chorizanthe spinosa S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  POM2196  Chorizanthe staticoides I. M. Johnston 1914-5-13 27 P Los Angeles San Gabriel Wash. 152 Comment
  RSA674852  Chorizanthe staticoides Scott D. White, Kent Hughes 2000-5-17 7873 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  RSA777363  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2010-5-19 5112 Los Angeles Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UC1136069  Chorizanthe staticoides A. D. Gifford 1934-5-8 205 Los Angeles 3 6/10 mi w and 1 1/2 mi n Castro Peak; Triunfo Pass Quad. Comment
  UCR197178  Chorizanthe staticoides Valerie Soza, LeRoy Gross 2001-5-9 1202 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 244 Comment
  SD253528  Chorizanthe watsonii R. G. Swinney 2011-6-7 15042 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 mile NNW of Angeles Crest Highway along south entrance road to Chilao Flat Campground, both side of road. 1584 Comment
  RSA716670  Chorizanthe xanti var. xanti Scott D. White, Pam De Vries 2006-5-10 11454 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SBBG62356  Chorizanthe xanti var. xanti R. Hoffmann 1929-5-21 Los Angeles Elizabeth Lake Comment
  RSA596987  Chrysothamnus nauseosus subsp. mohavensis Steve Boyd, Lauren Raz 1996-9-24 8961 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  POM6114  Cirsium brevistylum I. M. Johnston 1917-5-13 1026 Los Angeles El Monte. Comment
  CAS-BOT-BC280031  Cirsium mohavense Le Roy Abrams; E. A. McGregor No date on label 507 Los Angeles Lancaster 853 Comment
  CAS-BOT-BC280037  Cirsium mohavense T. C. Fuller 1960-7-14 4912 Los Angeles W side Hwy 6, 0.5 mi. S/Hwy 138, 4 mi. N/Lancaster Comment
  CAS-BOT-BC285405  Cirsium occidentale var. californicum F. Grinnell Jr. 1910-6-20 s.n. Los Angeles Long Canon [Canyon], San Gabriel Mts. 1066 Comment
  IRVC26283  Cirsium occidentale var. californicum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2913 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  LA94417  Cirsium occidentale var. californicum A. M. Johnson; 1932-5-30 4107 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  UCSB6454  Cirsium occidentale var. californicum Gill, Robert 1959-6-2 Los Angeles San Antonio Canyon, along lower road; San Gabriel Mt. Range; Pacific Slope Drainage Area 792 Comment
  SEINET5507033 Image available Cirsium occidentale var. coulteri J. Sauer, H. Walter 1973-5-31 5535 Los Angeles crest of Santa Monica Mtns above Brentwood Comment
  UCR133721  Cirsium occidentale var. occidentale F. R. Fosberg 1931-4-1 S- 4440 Los Angeles Channel Islands, Santa Catalina Island, Avalon 10 Comment
  UC1922761  Cirsium vulgare Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1350 Los Angeles Transverse Ranges; Verdugo Mountains region; Mesa Lila Rd., SE side of Henderson Canyon. 427 Comment
  UCR179469  Cirsium vulgare R. G. Swinney, Dave Larson 1996-8-7 5252 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
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Jun 10 2014
  RSA643964  Cistanthe monosperma V. W. Steinmann 1996-5-17 916 Los Angeles San Gabriel Mountains, ca. 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail. 2850 Comment
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Nov 8 2010
  POM780  Cistanthe monosperma I. M. Johnston 1917-7-31 1397 Los Angeles Head of San Antonio Canyon, upper transition zone 2439 Comment
  RSA702182  Cistus ladanifer Scott D. White 2004-7-27 10628 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  SBBG28057  Clarkia bottae C. L. Hitchcock 1928-5-11 51 Los Angeles mouth of San Dimas Cyn 900 Comment
  UCSB4356  Clarkia bottae DeWitt, Jack 1959-5-15 Los Angeles Mint Canyon; at park 4.3 miles E of Solemint 609 Comment
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Nov 13 2014
  RSA247437  Clarkia bottae Jack Delaini, Barbara Shervanick 1974-5-23 215 Los Angeles Near base of E ridge of canyon near path by the stream. 488 Comment
  UCR147725  Clarkia cylindrica Steve Boyd, Amber Maurice 2004-5-18 11323 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA73320  Clarkia cylindrica subsp. cylindrica F. W. Peirson 1921-5-18 2797 Los Angeles summit of Newhall Grade, near Newhall. 427 Comment
  SBBG60294  Clarkia cylindrica subsp. cylindrica R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  RSA0011589  Clarkia dudleyana Orlando Mistretta, Cher Batchelor 2011-7-27 5998 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  RSA729105  Clarkia dudleyana R. G. Swinney, D. W. Larson 1999-7-21 7566 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  CLARK-A1528-2658  Clarkia purpurea subsp. quadrivulnera Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains Comment
  OBI5817  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1932-5-13 3624 Los Angeles 3.5 mi from Avalon, (by rd) on way to Isthmus, Santa Catalina Isl. Near largest reservoir 366 Comment
  UCSB8416  Clarkia purpurea subsp. quadrivulnera Wedberg, H. 1957-6-15 Los Angeles Seminole Hot Springs Road; near Latigo Cyn Road Comment
  RSA567172  Clarkia rhomboidea Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3910 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
  RSA652339  Clarkia unguiculata D. Bartholomew 1961-5-13 85 Los Angeles Big Dalton Canyon (just back from chain across road). Comment
  UC7952  Claytonia exigua subsp. exigua A. Davidson 1892-1 Los Angeles Comment
  UCR269998  Claytonia parviflora R. G. Swinney 2010-5-19 12789 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
  RSA656486  Claytonia parviflora subsp. parviflora Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 719 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 518 Comment
  UCR197762  Claytonia parviflora subsp. parviflora Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 62 A Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA729875  Claytonia perfoliata R. G. Swinney 1999-5-22 7205 Los Angeles Le Montaine Canyon, c. 0.5 mi. south of Camp Junilee Rd. 1701 Comment
  UCR194061  Claytonia perfoliata R. G. Swinney 1999-5-22 7205 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  OBI2662  Clematis lasiantha W. Holbrook 1967-4-23 18 Los Angeles 400 yds W of rose Bowl, Pasadena 259 Comment
  POM186  Clematis lasiantha Milton Davenport 1901-5-24 s.n. Los Angeles San Antonio Canyon. Near Claremont. 762 Comment
  RSA386202  Clematis lasiantha N. C. Cooper 4206 Los Angeles Angeles Crest Highway. 1524 Comment
  RSA703510  Clematis lasiantha Michael Honer 2004-6-22 2020 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  SEINET3159170  Clematis lasiantha G. B. Grant 1904-5-17 194 Los Angeles Mt. Wilson near Pasadena Comment
  UC853899  Clematis lasiantha Ira W. Clokey, B. Templeton May 1929 4545 Los Angeles Santa Monica Mts., Mandeville Canyon 300 Comment
  RSA0080741  Clematis ligusticifolia R. G. Swinney 2010-8-11 13516 Los Angeles Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  UCR150554  Clematis ligusticifolia R. G. Swinney 1999-6-21 7353 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR209640  Clematis ligusticifolia R. G. Swinney 2008-7-2 9128 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  UCR273386  Clematis ligusticifolia R. G. Swinney 2011-10-18 15815 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  CAS-BOT-BC92817  Clematis pauciflora A. M. Johnson 1933-5-20 4310 Los Angeles Fish Canyon Wash. Comment
  RSA94825  Cnicus benedictus F. W. Peirson 1935-3-31 11457 Los Angeles Mendocino Street and Holliston Ave, Altadena Comment
  UCR190032  Collinsia R. G. Swinney 1998-6-16 6971 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  UCR192004  Collinsia bartsiifolia A. C. Sanders 2008-4-17 34920 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  JEPS4640  Collinsia heterophylla C. E. Hutchinson 1902-6-4 Los Angeles San Gabriel Canyon 487 Comment
  UC885522  Collinsia heterophylla Marcus E. Jones, A. M. 1882-5-3 3432 Los Angeles Pasadena Comment
  UCR259250  Collinsia heterophylla R. G. Swinney 2010-6-4 12993 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR179488  Colutea arborescens R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mountains, Glendora Wilderness Park, in Big Dalton Canyon. 1.6 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 473 Comment
  SBBG128258  Comarostaphylis diversifolia subsp. planifolia M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-8 3029 Los Angeles lower Cottonwood Cyn 152 Comment
  SBBG13419  Constancea nevinii E. R. Blakley 1962-10-4 5416 Los Angeles Indian Rock, Emerald Bay 6 Comment
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Dec 3 2015
  RSA601064  Convolvulus arvensis Steve Boyd, Lauren Raz 1997-6-18 9993 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Portal Ridge, 5.1 road miles west of intersection with 90th St. West. 1054 Comment
  UCR186411  Convolvulus arvensis T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2083 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  LA212297  Convolvulus arvensis Harold Pirie; 1963-5-11 s.n. Los Angeles Woodland Hills, Pierce College campus. 243 Comment
  RSA648996  Convolvulus arvensis Scott Lowe 1991-5-12 23 Los Angeles San Gabriel River channel, about 50 m. north of the San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  UC879374  Convolvulus arvensis I. M. Johnston 1918-5-19 2000 Los Angeles near Pomona 304 Comment
  RSA398346  Convolvulus simulans Anstruther Davidson 2337 Los Angeles Bromholly Hill, Hollywood Comment
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Nov 12 2014
  SEINET10808297  Conyza bonariensis David B. Dunn 1947-7-20 Dunn 2995 Los Angeles Collected at 316 North Avenue 50. Comment
  LA30461  Conyza canadensis Jane Turner; T. Mosquin 1958-11-16 C 57 Los Angeles Santa Monica Mountains, Tuna Canyon, Fernwood Pacific Rd, 6.9 mi from intersection with Topanga Canyon Rd Comment
  LA31701  Conyza canadensis Peter H. Raven; Henry J. Thompson 1959-9-27 14506 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 243 Comment
  RSA680112  Coreopsis bigelovii LeRoy Gross, Michael Denslow 2003-6-4 992 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southeast of Dawson Saddle, south side of Angeles Crest Highway (Hwy. 2) 2439 Comment
  RSA774737  Coreopsis bigelovii R. G. Swinney 2009-6-17 11173 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR177541  Coreopsis bigelovii LeRoy Gross 2005-4-28 2177 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UC729528  Coreopsis gigantea Carl B. Wolf 1932-5-14 Los Angeles between Avalon and Pebbly Beach; Santa Catalina Island 30 Comment
  CAS-BOT-BC105700  Corethrogyne filaginifolia F. Grinnell Jr. 1917-8-28 s.n. Los Angeles Pine Flats, San Gabriel Mountains 1615 Comment
  CAS-BOT-BC105739  Corethrogyne filaginifolia E. R. Blakley 1962-10-3 5373 Los Angeles Santa Catalina Island, banks around Wrigley Reservoir at the summit of the island road 426 Comment
  JEPS31109  Corethrogyne filaginifolia Ernest C. Twisselmann 1961-10-31 6682 Los Angeles Leona Valley Liebre Mountains, Leona Valley 929 Comment
  RSA0103926  Corethrogyne filaginifolia R. G. Swinney 2011-10-10 15731 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  UC87481  Corethrogyne filaginifolia A. J. McClatchie 1892-9-1 Los Angeles Pasadena Comment
  RSA0001076  Corethrogyne filaginifolia var. pinetorum I. M. Johnston 1918-9-1 2137 Los Angeles San Antonio Mts, near Brown's Flat 1311 Comment
  UCR73406  Coronilla valentina subsp. glauca T. S. Ross 1991-3-9 4204 Los Angeles Whittier Hills (Puente Hills, pro parte): Skyline Drive at the head of Turnbull Canyon 348 Comment
  RSA650382  Cotoneaster pannosus Robert E. Boyles 1948-1-30 s.n. Los Angeles San Dimas Park. 305 Comment
  UCR95170  Cotoneaster pannosus L. C. Wheeler 1970-1-4 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Santa Anita Canyon, just upstream from Winter Creek 549 Comment
  SBBG128450  Cotula coronopifolia M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1778 Los Angeles open slope above Parson's Landing 213 Comment
  UC485350  Cotula coronopifolia Crawford and Hiatt 1916-3-28 Los Angeles Santa Monica; ; near city Comment
  CAS-BOT-BC427730  Crassula connata George B. Grant; Walter Wheeler 1904-4-21 H 2955 Los Angeles At Isthmus, Santa Catalina Island, Pacific Ocean, off southern California Comment
  CHSC95510  Crassula connata LeRoy Gross; Valerie Soza 2003-5-15 906 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone: 3789794N, 0376930E. 518 Comment
  CAS-BOT-BC427728  Crassula connata Cecil Hart 1927-3-7 s.n. Los Angeles Montebello, Los Angeles Comment
  RSA533977  Crassula connata var. erectoides Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5179 Los Angeles San Clemente Island. 1100 feet SSW of Twin Dams, 1450 feet NNW of Bolder marker. 491 Comment
  UC165377  Crassula connata var. eremica unknown 1905-4-19 1295 Los Angeles Garvanza Comment
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Nov 25 2011
  SBBG13609  Cressa truxillensis P. H. Raven 1962-5-22 17838 Los Angeles E of Little Harbor Comment
  RSA71014  Cressa truxillensis F. W. Peirson 896 Los Angeles Banning Wharf, San Pedro. Comment
  SBBG115421  Crocanthemum scoparium var. vulgare E. R. Blakley 1963-4-10 5585 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  CAS-BOT-BC175825  Crossosoma californicum R. F. Thorne 1968-2-25 37915 Los Angeles Channel Islands; Santa Catalina Island: Cherry Valley Comment
  RSA199159  Crossosoma californicum R. F. Thorne 1968-5-29 37706 Los Angeles Santa Catalina Island. Lower end of Hamilton Canyon, ca. .5 miles NNW of Avalon. 30 Comment
  RSA213345  Crossosoma californicum Reid V. Moran 1941-2-26 630 Los Angeles Along bank of creek, Johnson's Valley, Santa Catalina Island. 200 Comment
  SBBG37786  Crossosoma californicum R. Moran 1941-2-28 655 Los Angeles Johnson Valley 10 Comment
  RSA479357  Croton californicus R. F. Folger 1929-12 s.n. Los Angeles El Segundo. Comment
  POM2756  Croton californicus var. tenuis L. R. Abrams 1899-07 867 Los Angeles Ballona Harbor Comment
  SBBG31069  Croton setiger R. F. Thorne 1966-9-14 36655 Los Angeles behind Ben Weston Beach 3 Comment
  RSA0108836  Cryptantha R. G. Swinney 2010-5-21 12886 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
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Feb 18 2020
  UCR252564  Cryptantha R. G. Swinney 2010-6-21 13261 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
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Dec 7 2018
  UCR124691  Cryptantha affinis B. C. Templeton 1932-6-18 4931 Los Angeles San Gabriel Mtns, Angeles National Forest: Jackson Lake 1930 Comment
  CAS-BOT-BC189521  Cryptantha circumscissa var. circumscissa Roxana S. Ferris 1918-6-12 937 Los Angeles 5 miles S of Lancaster Comment
  RSA0113437  Cryptantha circumscissa var. circumscissa LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7540 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
  RSA0119003  Cryptantha circumscissa var. circumscissa A. C. Sanders, T. B. Salvato, Mitch Provance, Aaron Keller 2007-4-12 33383 Los Angeles Western Antelope Valley: Neenach, south of Hwy 138 at end of 290th St. West, toe of hills between Horse Camp and Cow Spring canyons and into mouth of Cow Spring Canyon. 945 Comment
  UC857089  Cryptantha clevelandii F. R. Fosberg 1931-4-10 S 4558 Los Angeles just below Pacific Divide; Santa Catalina Island, Avalon Canyon 190 Comment
  SBBG34056  Cryptantha clevelandii M. R. Benedict 1971-6-25 Los Angeles Peak 1942, directly S of White Rock, and near triangulation point "Alta", San Clemente Island Comment
  POM368365  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-4-15 695 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  SEINET7881016 Image available Cryptantha clevelandii var. florosa F. R. Fosberg 1931-1 S 4558 Los Angeles Avalon Canyon; Just below Pacific Divide; Santa Catalina Island Comment
  RSA599607  Cryptantha corollata Steve Boyd, Lauren Raz 1997-4-16 9501 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
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Apr 29 2008
  SD181670  Cryptantha decipiens LeRoy Gross, Orlando Mistretta and Valerie Soza 2003-5-13 894 Los Angeles Big Rock Creek, north and east of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  LA94296  Cryptantha intermedia Carl Epling; 1961-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA603552  Cryptantha intermedia Sara L. Crockett, Mark Hoefs, Steven A. Junak, Janet Takara 1997-3-28 621 Los Angeles Santa Catalina Island. N side of Cherry Harbor, overlooking mud flats, 20-30m upslope 43 Comment
  SBBG98661  Cryptantha intermedia T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5175 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  UC153564  Cryptantha intermedia LeRoy Abrams 1902-6-10 2512 Los Angeles Playa del Rey Comment
  UCR126251  Cryptantha intermedia A. C. Sanders 2003-3-14 25766 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  UCR155112  Cryptantha intermedia A. C. Sanders 2005-5-5 29913 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
  UCR155379  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2005-5-24 30267 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
  POM368261  Cryptantha intermedia Robert Gustafson 1981-3-18 2127 Los Angeles Ballona Wetlands, Area 1. Comment
  RSA0016891  Cryptantha intermedia var. johnstonii D. L. Crawford, H. D. Hiatt 1916-3-28 257 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  RSA251446  Cryptantha maritima R. F. Thorne 1966-4-16 36049 Los Angeles San Clemente Island: c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  RSA518012  Cryptantha micrantha Steve Boyd, Orlando Mistretta 1986-3-31 1548 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA578723  Cryptantha micrantha T. S. Ross, J. M. Porter 1994-5-1 7577 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  CHSC95844  Cryptantha microstachys LeRoy Gross; Laura Moore 2000-6-5 221 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  UCR205091  Cryptantha microstachys R. G. Swinney 2008-4-10 8643 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  UCR259965  Cryptantha microstachys R. G. Swinney 2010-3-18 11981 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCSB5563  Cryptantha microstachys Wedberg, H. 1958-5-3 Los Angeles 1/2 mi. up Baldy Rd. from Padua Hills rd. in San Antonio Can. wash Comment
  UC1586030  Cryptantha muricata Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7484 Los Angeles on n side San Gabriel Mts. (Pine Canyon Rd, along San Andreas Fault, (Co Rd N2), on n side of road); , San Andreas Fault Comment
  UCR127175  Cryptantha muricata A. C. Sanders, Mark A. Elvin 2003-6-20 27007 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  UCR272013  Cryptantha muricata R. G. Swinney 2010-4-28 12419 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
  RSA0013554  Cryptantha muricata var. jonesii Orlando Mistretta, Christine Mistretta 2011-6-11 5684 -a Los Angeles Aliso Cyn. Forest Road 4N24, 1.9 air miles SW of Vincent, 1.5 air miles N of Aliso Cyn Road. 1121 Comment
  RSA593009  Cryptantha nevadensis var. rigida Steve Boyd, Orlando Mistretta 1996-5-1 8739 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Young Canyon along the Pacific Crest Trail 854 Comment
  RSA679879  Cryptantha oxygona LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 841 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  SBBG63850  Cryptantha oxygona R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UCR223041  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-5-6 10677 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA0079038  Cryptantha pterocarya var. pterocarya LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 891 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  POM368349  Cryptantha similis Frances Runyan 1973-4-14 41 Los Angeles About 10-15 miles southwest of Gorman along a mostly dirt road toward Piru Creek. 1067 Comment
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Jan 6 2015
  RSA729832  Cryptantha simulans R. G. Swinney 1998-7-10 6355 Los Angeles San Gabriel Mtns.: Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  SD215432  Cryptantha utahensis Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains; Mill Canyon off Soledad Canyon. 730 Comment
  UCR205951  Cucurbita foetidissima A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37071 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
  RSA394303  Cucurbita foetidissima E. S. Spalding 1923-7-11 s.n. Los Angeles Hermosa Beach. Comment
  RSA669716  Cupressus forbesii LeRoy Gross 2002-2-23 480 Los Angeles Northeast side: Along Beaudry North Mountainway (dirt road) from bottom of Deer Creek this road leads to the main crest of the Verdugo's. Entered at the intersection of Beaudry Blvd. & Beaudry Terrace. 366 Comment
  RSA601620  Cuscuta californica L. C. Wheeler 1967-6-15 9835 Los Angeles Liebre Mountain Region: Foothills NE of Saugus. 404 Comment
  RSA657937  Cuscuta californica 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
  RSA772283  Cuscuta californica R. G. Swinney 2009-5-6 10653 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR223248  Cuscuta californica R. G. Swinney 2009-7-22 11368 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA409695  Cuscuta californica Freda Detmers 1929-7-18 s.n. Los Angeles Griffith Park Comment
  POM306249  Cuscuta californica var. californica Henry J. Ramsey, Henry J. Ramsey 1938-1-9 1371 Los Angeles Eaton Canyon Park, Altadena Comment
  POM222505  Cuscuta campestris L. C. Wheeler 1936-6-28 4193 Los Angeles 3 miles SE of El Monte. 76 Comment
  UCR126355  Cuscuta pentagona A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27126 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR141579  Cycladenia humilis June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  UC69865  Cycladenia humilis var. venusta Mrs. C. M. Wilder 1903-8-20 591 Los Angeles San Antonio Mt. 2438 Comment
  RSA600669  Cylindropuntia echinocarpa L. C. Wheeler 1967-11-18 s.n. Los Angeles Ft. Tejon Road; 1/2 mile ESE of 106 St. East. 1005 Comment
  SD248375  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 miles SW of Vincent train station (Caton 7.5;Q) 921 Comment
  CATA1512  Cynodon dactylon Mark L. Hoefs, Steven A. Junak 1996-7-9 2725 Los Angeles Santa Catalina Island: Just below Middle Ranch Reservoir overflow, Middle Canyon 170 Comment
  RSA151255  Cynodon dactylon P. H. Raven 1962-7-10 17962 Los Angeles San Clemente Island, road near northwest end of island. Comment
  LA33488  Cynodon dactylon Henry J. Thompson; 1959-5-24 1987 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, 0.3 mi N of Coast Hwy. 45 Comment
  RSA547793  Cyperus eragrostis Timothy S. Ross, Peter Fritsch 1990-6-20 3585 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
  CAS-BOT-BC114415  Cyperus erythrorhizos Joseph Cook (Rev.) Nevin 1904-10-1 s.n. Los Angeles Oak Knoll, Pasadena. Comment
  UCR256860  Cyperus involucratus R. G. Swinney 2010-8-16 13543 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR218021  Cyperus odoratus A. C. Sanders, Dan S. Cooper 2010-8-5 38539 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CAS-BOT-BC113995  Cyperus parishii A. Davidson 1901-9-1 s.n. Los Angeles Rock Creek Comment
  RSA507546  Cystopteris fragilis L. C. Wheeler 1967-9-2 10618 Los Angeles San Gabriel Mountains: Devil's Canyon, ca. 1/4 mile downstream from Devil's Canyon-Little Bear Creek Saddle 1951 Comment
  RSA286674  Dactylis glomerata R. F. Thorne, Larry E. DeBuhr 1974-6-28 44768 Los Angeles San Gabriel Mountains, Angeles Naiional Forest: Big Meadow, Big Pines Recreational area near headwaters of Mescal Creek 2104 Comment
  RSA597282  Dactylis glomerata Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3730 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  IRVC29582  Datisca glomerata A. C. Sanders, Mark Elvin 2002-6-25 25283 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA0056274  Datisca glomerata Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon. 543 Comment
  UC56519  Datisca glomerata Ernest Braunton 1902-6-13 478 Los Angeles n side of Griffith Park Griffith Park Comment
  RSA792232  Datura meteloides Doris Bowers 1957-8-8 s.n. Los Angeles LaVerne. 335 Comment
  UCR143269  Datura stramonium L. C. Wheeler 1932-8-17 1138 Los Angeles San Gabriel Valley, 2 mi N of Claremont 412 Comment
  RSA595525  Datura stramonium Louis C. Wheeler 1969-5-13 s.n. Los Angeles Rio Hondo ca. 1/4 mi. north of San Gabriel Blvd. Comment
  RSA226115  Datura wrightii Robert F. Thorne, C. W. Tilforth 1971-6-17 39895 Los Angeles N slope of San Gabriel Mts., along Soledad Canyon Road, ca. 2 mi. W of Soledad Station 579 Comment
  RSA657920  Datura wrightii B. Brady 1980-6-1 19 Los Angeles Big Tujunga Canyon 457 Comment
  UCR258921  Datura wrightii R. G. Swinney 2010-5-7 12617 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  UCSB8595  Datura wrightii Wedberg, H. 1958-2-22 Los Angeles On Point Dume Comment
  RSA578894  Datura wrightii Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8100 Los Angeles Cottonwood Swamp' confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. 512 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
  SBBG20539  Deinandra clementina E. R. Blakley 1963-12-7 6355 Los Angeles cyn between Pyramid Head and Cove, S of Triangulation Pt Guds 30 Comment
  SD51858  Deinandra clementina Peter H. Raven 1962-5-7 17575 Los Angeles San Clemente Island;Wilson Cove. 45 Comment
  UC483208  Deinandra clementina L. R. Abrams and I. L. Wiggins 1931-7-6 381 a Los Angeles vicinity of Mosquito Harbor; San Clemente Island Comment
  SD186074  Deinandra fasciculata Mark A. Elvin 2003-6-12 2944 Los Angeles Newhall Ranch, south of magic Moountain Amusement Park, west of The Old Road. 366 Comment
  UCD131065  Deinandra fasciculata Mary Jane Teiman 1978-10-15 6 Los Angeles Playa Del Rey. 0.5 mile south of Marina Del Rey channel. Comment
  CAS-BOT-BC131016  Deinandra minthornii David D. Keck 1932-10-14 1953 Los Angeles N. of Chatsworth city limits, on first hill to west of Topango Canyon Blvd., Santa Susana foothills Comment
  UCR143550  Delphinium cardinale L. C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Valley, San Gabriel Wash, 0.25 mile south of Arrow Highway 122 Comment
  RSA394504  Delphinium cardinale I. W. Clokey, Bonnie C. Templeton 1929-08 4601 Los Angeles Mandeville Canyon. 300 Comment
  PASA2542  Delphinium decorum Roy R. Eldridge Los Angeles Sierra Madre Canyon Comment
  UCR223352  Delphinium parishii R. G. Swinney 2009-5-20 10837 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  HSC25024  Delphinium parishii subsp. subglobosum C. S. Apperson 1966-4-24 Los Angeles 10 mi. from Pearblossom off Hwy. 138 on 240th St. Comment
  UC467732  Delphinium parryi I. J. Condit Los Angeles San Dimas Comment
  RSA0091875  Delphinium parryi subsp. maritimum Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1521 Los Angeles Santa Catalina Island. E of Little Harbor, just N of Sheep Chute Ridge Road, ca. 0.2 mile from intersection with Little Harbor Road, on S side of Big Springs Canyon. 79 Comment
  POM293040  Delphinium parryi subsp. parryi Lyman Benson 1945-5-21 11722 Los Angeles Claremont: Indian Hill. Pacific Slope Drainage Area. 396 Comment
  RSA304853  Delphinium patens subsp. hepaticoideum James R. Shevock 1971-3-28 822 Los Angeles Mapleleaf Canyon [Maple Canyon]. 518 Comment
  UC311365  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  RSA0098839  Delphinium patens subsp. montanum R. G. Swinney 2011-6-7 15047 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  UC625042  Dendromecon harfordii F. R. Fosberg 1931-5-21 S 4933 Los Angeles between Cherry Valley and Howland's Landing (bottom of small canyon below road); Santa Catalina Island 20 Comment
  OBI11828  Dendromecon rigida Bill Arbaugh 1966-3-27 s.n. Los Angeles Cold Cyn rd, Santa Monica Mts 457 Comment
  UC1126352  Dendromecon rigida R. St. John 1930-1-7 68 Los Angeles near San Vicente Peak; Calabasas Quadrangle; TRS coordinates followed by SBM Comment
  UC1871138  Dendromecon rigida T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4863 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  POM158345  Dendromecon rigida subsp. rhamnoides M. B. Dunkle 1928-3-17 1758 Los Angeles Emerald Bay, Santa Catalina Island. 46 Comment
  SEINET3507397 Image available Dentaria californica C. Francis Shutts 1949-2-14 3 Los Angeles Little Dalton Canyon. Pacific drainage area. Comment
  RSA730261  Descurainia pinnata R. G. Swinney 1999-6-18 7278 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  RSA679864  Descurainia pinnata subsp. halictorum LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 883 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UC1871058  Descurainia pinnata subsp. menziesii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4788 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UCD114798  Descurainia sophia Leo Turner 1928-5-20 s.n. Los Angeles Antelope Valley. Comment
  RSA0080436  Dicentra chrysantha R. G. Swinney 2010-9-9 13781 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA433592  Dicentra ochroleuca N. C. Cooper 1945-5-1 2183 Los Angeles Santa Monica Mountains 762 Comment
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  UCR272605  Dichelostemma capitatum R. G. Swinney 2011-6-7 15055 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 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
  RSA213427  Dichelostemma capitatum subsp. capitatum Reid V. Moran 1941-2-17 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island 500 Comment
  SEINET3885750  Dichelostemma pulchellum Steve Boyd, L. Raz; Timothy S. Ross 1997-4-1 9473 Los Angeles Liebre MOUNTAINS REGION: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of 'Osito Flat', a distinctive, open grassy break in slope under the high tension power lines.; 0 610 Comment
  RSA674881  Dimorphotheca sinuata LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie L. Soza 2003-2-10 727 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 307 Comment
  SEINET4044547  Diplacus aurantiacus subsp. aurantiacus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  SBBG66780  Diplacus fremontii L. Rowntree 1930-4-10 Los Angeles from Little Rock to Valyermo Comment
  RSA783370  Diplacus longiflorus J. D. Olmsted 1959-4-3 338 Los Angeles At beginning of Johnson's Pasture fire road, North of Oxford from Baseline 549 Comment
  CAS-BOT-BC195608  Distichlis spicata W. A. Silveus 1938-6-19 3696 Los Angeles Long Beach Comment
  SEINET6187134 Image available Distichlis spicata R. G. Swinney 2009-1 10629 Los Angeles Transverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing (Palmdale 7,5' Q.) T5N R11W S22 951 Comment
  RSA602954  Distichlis spicata var. stolonifera Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-11-9 2546 Los Angeles Santa Catalina Island. Lower road to Salta Verde Beach. 15 Comment
  SBBG38689  Dodecatheon clevelandii subsp. insulare R. Moran 1941-2-23 604 Los Angeles S of Johnson's Valley 200 Comment
  RSA330810  Draba corrugata var. corrugata Wayne E. Sawyer 1981-6-16 41 Los Angeles Crest trail, 0.75 mi. W of Mt. Hawkins 2560 Comment
  RSA641179  Drymocallis cuneifolia var. ewanii Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38858 Los Angeles N facing slope above Angeles Crest Hwy N and below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  RSA0081774  Dryopteris arguta R. G. Swinney 2010-8-9 13481 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  RSA693703  Dryopteris arguta L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  UC811828  Dryopteris arguta L. W. Nuttall 1920-1 199 Los Angeles Santa Catalina Isl. Comment
  RSA693688  Dryopteris arguta Kenneth A. Wilson, Robert Gustafson 1994-5-13 2413 Los Angeles Santa Monica Mountains national Recreation Area; Upper Franklin Canyon Reservoir Comment
  RSA613504  Dudleya cymosa subsp. pumila L. C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1220 Comment
  RSA716906  Dudleya cymosa subsp. pumila LeRoy Gross 2006-5-30 2466 Los Angeles Along Whitaker Peak Road (6N53). West of Interstate Freeway 5 and the old Golden State Highway, near Whitaker Summit., Survey along road Southwest of the peak from Whitaker Peak Lookout along the northeast side of Whitaker peak to a saddle that divides Ruby Canyon and Canton Canyon drainages, short distance west from Road 6N53B. Between 34.56823N, 118.74161W, and 34.5822N, 118.73220W 1244 Comment
  UCR19556  Dudleya lanceolata G. J. Hollenberg 1928-7-24 s.n. Los Angeles South Coast, dunes near El Segundo 49 Comment
  UC2059993  Dudleya lanceolata K. Nakai 1978-5-4 376 Los Angeles Santa Monica Mountains, Santa Ynez Canyon. Comment
  RSA0091665  Dysphania ambrosioides Bonnie C. Templeton 1951-9-12 s.n. Los Angeles [No location information on label.] Comment
  RSA656232  Dysphania botrys Joseph M. Keefe 1978-6-10 23370 Los Angeles Verdugo Mountains: south east corner of Physics-Biology Building, Glendale, 1500 North Verdugo Road. 183 Comment
  CAS-BOT-BC197144  Echinochloa crus-galli Cecil Hart 1921-7-1 4 Los Angeles Howard & Smith's nursery, Montebello Comment
  SBBG119057  Echinochloa crus-galli G. D. Wallace 1979-8-9 1874 Los Angeles SW corner of Baldwin Ave and Foothill Blvd, Arcadia Comment
  UCD60922  Echinochloa crus-galli G. D. Wallace 1979-8-9 1874 Los Angeles SW corner of Baldwin Ave. and Foothill Blvd., Arcadia. Comment
  CAS-BOT-BC197216  Echinochloa crus-pavonis I. M. Johnston 1918-8-4 2111 Los Angeles North Pomona 365 Comment
  PASA1873  Echinocystis macrocarpa Sally Ellis 1946-3-25 Los Angeles Claremont Comment
  CAS-BOT-BC167111  Eclipta prostrata A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36977 Los Angeles San Gabriel Valley: Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  SD69440  Eleocharis macrostachya Robert F. Thorne, P. Everett 1966-4-7 34976 Los Angeles Santa Catalina Island; Hay Press Reservoir; at wet margin of reservoir with Rumex sacicifolius. 410 Comment
  UCR204754  Eleocharis montevidensis R. G. Swinney 2005-8-9 8428 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  SEINET7586405 Image available Eleocharis montevidensis Unknown 1967-10-10 37338 Los Angeles San Gabriel Mts, Angeles National Forest, Jackson Lake, NW end of lake. 1867 Comment
  RSA724375  Eleocharis parishii K. Dobry 1991-5-13 485 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA723494  Eleusine coracana subsp. africana R. E. Riefner 2006-10-2 6 -464 Los Angeles Near Griffith Park, E bank of Los Angeles River, River Ride Stables, ca. 0.5 mi S of Colorado St. 120 Comment
  POM156358  Elymus X gouldii Le Roy Abrams 1902-6-10 2506 Los Angeles Edge of sand dunes,Playa del Rey. Comment
  SD43404  Elymus cinereus Darley F. Howe 1948-5-3 Los Angeles Three miles north of Lancaster. Comment
  CHSC59640  Elymus condensatus Daryl Koutnik 1978-6-3 Los Angeles Dry Canyon-Cold Creek Road between Mulholland Highway and Old Topanga Canyon Road. 304 Comment
  UC188791  Elymus glaucus H. M. Hall Jun 3 1900-Jun 6 1900 1426 Los Angeles Swarthout? Canyon San Antonio Mountains Comment
  RSA584482  Elymus glaucus subsp. glaucus Timothy S. Ross 1992-5-24 6418 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 464 Comment
  RSA549175  Elytrigia intermedia subsp. intermedia Timothy S. Ross, Peter Fritsch 1990-6-20 3689 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA0038709  Emmenanthe penduliflora R. G. Swinney 2010-3-22 12002 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UC1124262  Emmenanthe penduliflora A. D. Gifford 1934-5-8 212 Los Angeles 3 miles W and 1 mile N of Castro Peak; Triunfo Pass Quad. 457 Comment
  UC24039  Emmenanthe penduliflora J. Burtt Davy May 9 1896-May 24 1896 2638 Los Angeles Leonis Valley; Antelope Valley Comment
  UCR146344  Emmenanthe penduliflora James Henrickson 1985-3-30 19773 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  UCR96144  Emmenanthe penduliflora B. G. Pitzer 1996-4-21 2709 Los Angeles Western Mojave Desert, Antelope Valley. north side of State Hwy 138 (= Ave. 'D'), c. 2 mi. west of Country Store, at town of Neenach (c. 30 mi. west of Hwy I-14). 915 Comment
  RSA213388  Emmenanthe penduliflora M. B. Dunkle, Bonnie C. Templeton 1939-4-6 7302 Los Angeles Mosquito Harbor. San Clemente Island Comment
  RSA171987  Emmenanthe penduliflora var. penduliflora James Henrickson 1963-5-5 32306 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts. 518 Comment
  RSA598957  Emmenanthe penduliflora var. penduliflora R. G. Swinney 1989-5-11 s.n. Los Angeles in and near Glendora Wilderness Park, Big Dalton Canyon. Dirt road on SE side of Big Dalton debris basin. 366 Comment
  RSA781015  Encelia actoni R. G. Swinney 2009-5-13 10785 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UC1971184  Encelia actoni Louis C. Wheeler 1967-5-23 9688 Los Angeles SAN GABRIEL MOUNTAINS: At mouth of Bear Canyon, off Soledad Canyon Comment
  CAS-BOT-BC131191  Encelia californica I. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  HSC5475  Encelia californica David Porter 1965-5-5 Los Angeles 0.5 mi. N of Topanga Canyon Blvd. Topanga Canyon, Santa Monica Mtns. 412 Comment
  SBBG17176  Encelia californica K. A. Wilson 1961-2-18 849 Los Angeles Calabasas, Mulholland Hwy Comment
  UCR94678  Endolepis covillei A. C. Sanders, E. J. Lott 1993-5-6 13985 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
  LA90663  Ephedra californica Ernie Small; 1967-5-7 sn Los Angeles Antelope Valley, S end of Edwards Air Force Base, on 140th St Comment
  RSA339713  Ephedra nevadensis Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55010 Los Angeles Little Rock Creek 1006 Comment
  RSA592854  Ephedra nevadensis Steve Boyd, Orlando Mistretta 1996-5-1 8741 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Young Canyon along the Pacific Crest Trail 854 Comment
  RSA9746  Ephedra nevadensis L. C. Wheeler 1932-4-10 602 Los Angeles 2 mi. W Palmdale Mohave Desert. 762 Comment
  UCR182700  Epilobium R. G. Swinney 1997-8-6 5773 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  RSA746566  Epilobium Orlando Mistretta 1992-5-21 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  RSA774083  Epilobium brachycarpum R. G. Swinney 2009-7-22 11363 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  UCR150609  Epilobium canum R. G. Swinney 1999-6-21 7368 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  LA32218  Epilobium canum subsp. canum Peter H. Raven; Henry J. Thompson 13764 Los Angeles 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
  UC107737  Epilobium canum subsp. canum J. W. Toumey 1894-9-15 Los Angeles Catalina Island Comment
  RSA0044699  Epilobium canum subsp. latifolium Jon Nickoloff 1973-10-21 504 Los Angeles C. 3 miles SE on Devil s Canyon Trail in stream bed; San Gabriel Mountains [Santa Susana Mts] 1067 Comment
  RSA750091  Epilobium ciliatum R. G. Swinney 2008-4-30 8703 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR194268  Epilobium ciliatum R. G. Swinney 1998-8-5 6663 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  UCR204563  Epilobium ciliatum R. G. Swinney 2005-8-5 8380 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA588320  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1930-6-26 S- 3026 Los Angeles Lower Ballona Creek. 9 Comment
  RSA720179  Epilobium ciliatum subsp. ciliatum LeRoy Gross 2007-3-13 2611 Los Angeles Southern side of range: Wildwood Canyon. 499 Comment
  UCR270233  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-6-30 15396 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA9806  Epilobium ciliatum subsp. ciliatum Fay A. MacFadden 1931-4-10 2579 Los Angeles Tejunga [Tujunga] Canyon. A few trees near the stream. 396 Comment
  RSA596081  Epipactis gigantea Timothy S. Ross, Steve Boyd 1995-6-28 8647 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  UC845351  Epipactis gigantea C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4748 Los Angeles Bouquet Canyon 700 Comment
  UC472141  Equisetum hyemale subsp. affine J. Ewan 1929-12-23 3733 Los Angeles La Sierra Canyon; Santa Monica Mts. 457 Comment
  CAS-BOT-BC57309  Equisetum laevigatum Louis C. Wheeler 1933-10-20 2175 Los Angeles San Gabriel River 76 Comment
  POM246806  Equisetum laevigatum F. R. Fosberg 1931-4-15 R 90 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  LA94036  Equisetum telmateia subsp. braunii Lawrence L. Kiefer; 1966-3-26 1799 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 1.5 mi S of Topanga. 182 Comment
  UC810417  Equisetum telmateia subsp. braunii Ezra C. Knopf 248 Los Angeles Santa Catalina Isl. Comment
  LA202623  Eragrostis barrelieri Arthur C. Gibson; 2006-8-6 5137 Los Angeles Santa Monica Mountains, vicinity of Sunset Blvd. and Church Ln 150 Comment
  POM1185  Eragrostis mexicana subsp. virescens I. M. Johnston 1918-5-27 s.n. Los Angeles Claremont 366 Comment
  RSA0034383  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10009 G Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1524 Comment
  UC1584237  Eremothera boothii subsp. decorticans Tim Ross and Steve Boyd 1990-6-6 2882 Los Angeles slope sw Piru Pond; Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle 644 Comment
  SBBG58324  Eriastrum R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UC1787347  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-7-12 122 Los Angeles Transverse Range: Frazier Mountain Park Road, at junction with Hwy 5, adjacent to southbound onramp to Hwy 5, between onramp and highway 1280 Comment
  RSA0107959  Eriastrum densifolium subsp. elongatum Scott D. White 1997-5-14 5129 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  SD197852  Eriastrum densifolium subsp. elongatum R. G. Swinney 2005-8-22 8513 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  CDA40035  Eriastrum densifolium subsp. elongatum Phillipson 1915-7-11 3 .11.A Los Angeles San Fernando. Comment
  RSA0107960  Eriastrum densifolium subsp. elongatum Fay A. MacFadden 1931-7-8 3083 Los Angeles Roscoe. Comment
  RSA0119647  Eriastrum densifolium subsp. mohavense P. A. Munz, T. Craig 1933-5-13 12929 Los Angeles 10 miles south of Muroc. Comment
  CAS-BOT-BC514448  Eriastrum eremicum subsp. eremicum A. D. E. Elmer 1902-6-1 4182 Los Angeles Lancaster Comment
  JEPS69094  Eriastrum pluriflorum Katharine Brandegee May 1909 Los Angeles Lancaster Mohave Desert Comment
  UC1238044  Eriastrum sapphirinum Isabelle Tavares 1962-5-27 1266 b Los Angeles on Palmdale-Victorville Hwy about 10 mi e junction with Highway 138 Comment
  RSA0122862  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1998-7-6 6274 Los Angeles San Gabriel Mtns.: Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  SD58390  Eriastrum sapphirinum subsp. brevibracteatum Isabelle Tavares 1962-5-27 1266 b Los Angeles Ca. 10 miles east of junction with Highway 138 on Palmdale-Victorville Highway. Comment
  RSA0121265  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1918-5-16 2240 Los Angeles Claremont. Comment
  CAS-BOT-BC514964  Eriastrum sapphirinum subsp. dasyanthum F. Grinnell Jr. 1910-6-1 s.n. Los Angeles San Gabriel Mts. Comment
  SBBG125882  Eriastrum sapphirinum subsp. sapphirinum A. Parikh, N. Gale 2010-6-8 3268 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 3.3 km NW of State Hwy 14; E Liebre Mtns 1150 Comment
  SFV4842  Ericameria cooperi var. cooperi F. L. McPherson 1959-4-21 s. n. Los Angeles Mojave Desert West of Palmdale. Southwest corner of North and 25th. 823 Comment
  UCR223178  Ericameria cuneata R. G. Swinney 2009-7-22 11320 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  POM359337  Ericameria cuneata var. cuneata Fordyce Grinnell Jr. 1916-9-20 3481 Los Angeles Mt. Waterman, San Gabriel Mts. Comment
  SBBG62813  Ericameria ericoides S. W. Hutchinson, M. N. Ackley 1929-10-22 1172 Los Angeles Manhattan Beach 9 Comment
  JEPS31285  Ericameria linearifolia I. W. Clokey and B. C. Templeton 1930-4-8 4717 Los Angeles San Francisquito Canyon 700 Comment
  RSA616306  Ericameria linearifolia Scott D. White 1998-4-20 6331 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
  UC1118742  Ericameria linearifolia A. D. Gifford 1935-2-11 430 Los Angeles Fish Cr. 2 mi s of Redrock Mtn. (stream bottom); Angeles National Forest, Fish Cr. Comment
  UCR180366  Ericameria linearifolia Scott D. White, Pam Devries 2006-5-10 11424 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  UCR209248  Ericameria nauseosa R. G. Swinney 2008-10-8 9532 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR281640  Ericameria nauseosa subsp. consimilis R. G. Swinney 2014-5-8 16474 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  CAS-BOT-BC298048  Ericameria nauseosa var. mohavensis Ralph Hoffman 1931-9-28 s.n. Los Angeles Lancaster Comment
  SEINET5708377 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Dennis Clark; Matt Betkouski 1973-1 1446 Los Angeles Rancho Santa Ana Botanic Gardens; Rancho Santa Ana Botanic Garden Comment
  CAS-BOT-BC299524  Ericameria palmeri var. pachylepis Frank W. Peirson 1921-11-11 2597 Los Angeles Bouquet Canyon Comment
  UCR20307  Ericameria parishii G. R. Johnstone, T. S. Clare 1927-10-20 s.n. Los Angeles San Gabriel Mtns., Eaton Canyon 762 Comment
  CAS-BOT-BC131658  Ericameria parishii var. parishii G. Earle Kelley 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  UCR209864  Ericameria parryi R. G. Swinney 2008-7-15 9199 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UC1118875  Ericameria pinifolia Jerome S. Horton 1936-10-14 416 Los Angeles San Dimas Lookout San Dimas Experimental Forest, Pomona Quad. 914 Comment
  RSA0082875  Erigeron foliosus R. G. Swinney 2011-7-21 15544 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA747413  Erigeron foliosus R. G. Swinney 2008-6-9 8964 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  LA88388  Erigeron foliosus var. foliosus O. H. Kappler; 1944-6-25 689 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC1929729  Erigeron foliosus var. foliosus Scott D. White, Justin Wood 2008-5-8 11945 Los Angeles Puente / Chino Hills: SCE powerline corridor, E of Fullerton Rd. and S of Pathfinder, above Rowland Heights. Comment
  UC68941  Erigeron foliosus var. foliosus H. M. Hall 1905-7-1 6714 Los Angeles Fairmount Antelope Valley, Fairmount 853 Comment
  POM4755  Erigeron philadelphicus Fred Cox 1916-4-25 s.n. Los Angeles Pomona. Comment
  CAS-BOT-BC33608  Eriodictyon crassifolium var. nigrescens Adolph Daniel Edward Elmer 1902-6-1 3596 Los Angeles Acton Comment
  RSA222244  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1936-7-2 4206 Los Angeles Damp sunny silt in ravine Bottom, Bell Canyon 854 Comment
  UCR258908  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12337 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  SD253467  Eriodictyon parryi R. G. Swinney 2011-6-14 15153 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road (Chilao Flat 7.5'Q) 1646 Comment
  SBBG61808  Eriogonum angulosum R. Hoffmann 1928-7-9 Los Angeles Antelope Valley Comment
  UCR238480  Eriogonum angulosum Orlando Mistretta, Christine Mistretta 2008-5-3 2620 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 29 per TRTP Survey 2008), in the vicinity of Ritter Ridge, just north of Elizabeth Lake Road 911 Comment
  LA211267  Eriogonum angulosum Arthur C. Gibson; Tarja Sagar 2004-9-21 5195 Los Angeles SIMI HILLS, Cheeseboro SMMNRA, along Cheeseboro Ridge Trail about 1 mile north S end of Sulphur Springs Trail. Comment
  RSA766416  Eriogonum baileyi Joseph A. Ewan 1934-8-3 8369 Los Angeles San Gabriel Mts. Swartout Valley. Near county line 1982 Comment
  RSA66344  Eriogonum brachyanthum F. W. Peirson 1921-7-2 1744 Los Angeles Pallett Creek, San Gabriel Mountains. 1098 Comment
  CAS-BOT-BC244061  Eriogonum brachyanthum James L. Reveal 1978-6-25 4779 Los Angeles On the off-ramp of California Hghway 14 and Avenue P north of Palmdale 792 Comment
  RSA563032  Eriogonum brachyanthum D. Charlton 1991-5-27 5309 Los Angeles Junction 90th and C St. west of Palmdale and south of Little Rock on road to Edwards AFB 945 Comment
  CAS-BOT-BC241980  Eriogonum cinereum Le Roy Abrams 1901-8-1 2193 Los Angeles Santa Monica Comment
  RSA196986  Eriogonum cinereum Noel Holmgren, James L. Reveal 1966-5-31 2616 Los Angeles California 1, about 10 miles west of Malibu, along steep road cut. Comment
  RSA393133  Eriogonum cinereum C. M. Dammers 1933-10-28 s.n. Los Angeles Point Firman. Comment
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May 27 2013
  UCR17955  Eriogonum cinereum Tema S. Clare, Alva Watry 1929-7-30 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Comment
  SEINET11937873  Eriogonum cinereum Unknown 1929-1 s.n. Los Angeles Roger's Canyon, Santa Monica Mts 145 Comment
  RSA393180  Eriogonum davidsonii Unspecified 1905-1 1871 Los Angeles Hollywood Comment
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Aug 27 2011
  UCR206433  Eriogonum davidsonii R. G. Swinney 2008-6-10 8981 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  CAS-BOT-BC242754  Eriogonum davidsonii Joseph Andorfer Ewan 1934-8-4 8328 Los Angeles Crest of Blue Ridge, San Gabriel Mt. 2438 Comment
  UC205954  Eriogonum elongatum var. elongatum I. M. Johnston 1917-8-23 1716 Los Angeles Prairie Fk. of San Gabriel R. San Antonio Mountains, Prairie Fk. of San Gabriel R. 1524 Comment
  RSA0056258  Eriogonum fasciculatum Ralph La Pietra 1951-5-10 s.n. Los Angeles Sepulveda. Comment
  UCR223109  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-5-13 10793 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  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
  POM306179  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1937-9-2 s.n. Los Angeles Angeles Crest Highway: Johnny Canyon. Comment
  RSA311407  Eriogonum fasciculatum var. polifolium Cheryl A. Lawson 1971-6-26 401 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  UC72675  Eriogonum giganteum Geo. B. Grant Aug 1902 443 Los Angeles Avalon Catalina Isl., Avalon Comment
  CAS-BOT-BC250299  Eriogonum giganteum var. giganteum G. B. Grand No date on label s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC250302  Eriogonum giganteum var. giganteum Dr. H. E. Hasse 1888-7-15 s.n. Los Angeles Santa Catalina Island Comment
  SBBG77595  Eriogonum giganteum var. giganteum Mr. Martindale -- Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC253471  Eriogonum gracile Geo. B. Grant 1904-9-15 6422 Los Angeles Pasadena Comment
  HSC66620  Eriogonum gracile B. C. Templeton 1939-9-6 Los Angeles Playa del Rey [El Segundo Dunes] 40 Comment
  RSA685156  Eriogonum gracile var. gracile Scott D. White 2003-7-25 9645 Los Angeles Santa Clarita area; Sand Canyon (tributary to Santa Clara River) just above trailer park. 506 Comment
  RSA65086  Eriogonum hirtiflorum Joseph A. Ewan 1933-7-23 7830 Los Angeles Barley Flats Trail to Tujunga Creek. 1372 Comment
  UCR282033  Eriogonum nidularium R. G. Swinney 2014-5-1 16335 Los Angeles San Gabriel Mountains, north Valyermo area, 2.15 air miles south of Hwy. 138, Valyermo Rd. 1.1 miles north of Pallett Creek Rd., c. 200 m south of California Aqueduct 1098 Comment
  RSA149742  Eriogonum nudum var. pauciflorum Wesley O. Griesel 1961-8-18 s.n. Los Angeles Trail from Charleton Flats to Chilao, San Gabriel Mountains 1524 Comment
  RSA578792  Eriogonum nudum var. pauciflorum Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-7 8138 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  JEPS97057  Eriogonum nudum var. pauciflorum unknown 1928-7-9 Los Angeles Pine Canyon northern Los Angeles Co. Comment
  UC426473  Eriogonum nudum var. pauciflorum G. J. Goodman, C. L. Hitchcock Jul 28 1930-Jul 30 1930 1719 Los Angeles s slope of Mt. San Antonio Mt. San Antonio 2438 Comment
  RSA250357  Eriogonum parishii Robert F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42219 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift. 2378 Comment
  LA201978  Eriogonum parvifolium M. McGraw; 2003-1-14 14 Los Angeles Santa Monica Mountains, Point Dume 15.0 Comment
  SFV6865  Eriogonum plumatella T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 569 Los Angeles Mojave Desert County Road N4 about 0.5 miles south of Highway 138. 1070 Comment
  UCR190384  Eriogonum pusillum R. G. Swinney 2001-4-18 7880 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR29834  Eriogonum pusillum G. R. Ballmer 1983-5-19 s.n. Los Angeles Dry slope near Fort Tejon Rd. about 0.5 mi west of its intersection with Longview Rd., 3.5 mi south of Pearblossom 1016 Comment
  RSA755175  Eriogonum pusillum Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54982 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA660143  Eriogonum saxatile Orlando Mistretta 1992-7-9 664 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA0011355  Eriogonum thurberi Orlando Mistretta, Youssef Atallah 2011-8-12 6014 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  CAS-BOT-BC262866  Eriogonum thurberi Clare B. Hardham 1958-6-14 3702 Los Angeles Tajunga [Tujunga] Wash Comment
  RSA420560  Eriogonum umbellatum var. munzii Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  CAS-BOT-BC265217  Eriogonum umbellatum var. subaridum Geo. R. Hall 1904-9-1 s.n. Los Angeles Swartout Canyon, San Antonio Mts. 2133 Comment
  POM209894  Eriogonum wrightii var. subscaposum Victor Duran 1933-7-28 3540 Los Angeles Buckhorn, San Gabriel Mountains 1982 Comment
  UC2026436  Eriogonum wrightii var. trachygonum Steve Boyd, L. Raz 1997-6-18 9985 Los Angeles LIEBRE MOUNTAINS REGION: North base of Portal Ridge along the Broad Canyon Motorway, east of the mouth of Broad Canyon, edge of the Antelope Valley. Comment
  SBBG61109  Eriophyllum ambiguum R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  POM12250  Eriophyllum confertiflorum F. L. Robinson 1921-4-15 26 Los Angeles Orchard N of Claremont. Comment
  POM357934  Eriophyllum confertiflorum Norman C. Cooper 1945-5-1 2210 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA128781  Eriophyllum confertiflorum Peter H. Raven 1959-5-3 14088 Los Angeles Matted on banks; open in oak woodland, Woodland Wilson Drive 1.6 miles west of Cahuenga Pass. 305 Comment
  SD186083  Eriophyllum confertiflorum A. C. Sanders, Helen Kennedy 2005-4-13 29431 Los Angeles Santa Clarita area, lower Mint Canyon at the the community of Mint Canyon. 456 Comment
  SDSU4091  Eriophyllum confertiflorum Gerald Collier 1951-4-22 M 565 Los Angeles Santa Monica Mts., 1 mile from ocean on north side of Sunset Blvd. Comment
  LA203529  Eriophyllum confertiflorum var. confertiflorum Carl Epling; Louis Wheeler 1933-6-4 1852 Los Angeles near summit, Ridge Route 1523 Comment
  RSA51215  Eriophyllum confertiflorum var. confertiflorum J. T. Howell 1947-7-18 23401 Los Angeles Blue Ridge 2438 Comment
  UC73937  Eriophyllum confertiflorum var. confertiflorum J. Q. Adams 1905-1-1 17 Los Angeles Soldier's Home Comment
  UC1563112  Eriophyllum pringlei Steve Boyd and Orlando Mistretta 1986-3-31 1537 B Los Angeles 4 mi e jct w/Hwy 18 Highway 138 (ne of Pinyon Hills); Mojave Desert Comment
  RSA748193  Erodium botrys Scott D. White, Justin M. Wood 2009-5-6 12673 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  LA35708  Erodium brachycarpum David Dunn; 1941-4-24 1255 Los Angeles UCLA Campus Botany Garden Comment
  RSA703204  Erodium cicutarium LeRoy Gross 2005-2-15 1394 Los Angeles About 1/4 mile beyond the cemetery up Brand Canyon, on the south side of the mountains. 356 Comment
  CAS-BOT-BC40700  Erysimum capitatum A. D. E. Elmer 1902-6-1 3699 Los Angeles Mount Gleason. Acton. Comment
  SEINET269286  Erysimum capitatum Scott D. White, Chet McGaugh 1995-5-9 3012 Los Angeles East edge of santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of san Fernando Road and 457 Comment
  UC56904  Erysimum capitatum Ernest Braunton 1902-5-5 298 Los Angeles Glendora Comment
  UCR190793  Erysimum capitatum R. G. Swinney 2001-4-18 7925 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  UCR277070  Erysimum capitatum R. G. Swinney 2011-6-7 15096 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
  OBI35915  Erythranthe cardinalis J. & B. Semple, B. Semple 1981-8-14 19 Los Angeles E of Kratka Ridge, along crk 2134 Comment
  RSA0021281  Eschscholzia caespitosa Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5076 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA752482  Eschscholzia caespitosa Justin M. Wood 2009-4-22 511 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  CAS-BOT-BC403154  Eschscholzia californica Blanche Trask 1896-5-1 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA347554  Eschscholzia californica Barry A. Prigge 1986-3-20 6972 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  POM50340  Eschscholzia californica var. crocea L. R. Abrams 1901-04 1357 Los Angeles San Fernando Mts. 762 Comment
  RSA249771  Eschscholzia minutiflora Robert F. Thorne, C. W. Tilforth 1973-4-20 43009 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA526640  Eschscholzia ramosa Tim S. Ross, L. Arnseth 1990-4-7 4222 Los Angeles San Clemente Island, lower half of China Canyon, south end of island, west side Comment
  UCR270519  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-15 12236 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  RSA0107887  Eucrypta chrysanthemifolia Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 554 Los Angeles Santa Catalina Island. Along Airport Road, at head of canyon above Hamilton Cove. 317 Comment
  UC1922667  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie Soza, Miriam Sidibeh 2003-3-26 1608 Los Angeles Transverse Ranges; Verdugo Mountains region; Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  UC440430  Eucrypta chrysanthemifolia var. chrysanthemifolia Carl Epling 1930-4-10 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  UC20223  Eulobus californicus J. H. Barber 1897-6-25 185 Los Angeles above Lang; Soledad Canyon Comment
  RSA436005  Euphorbia crenulata Arthur B. Shepard 1933-3-22 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  CATA2994  Euphorbia peplus Peter J. Dixon 2015-2-27 026 Los Angeles Santa Catalina Island: Wild Boar Gully, 300m south of Wild Boar Gully Rd. 180 Comment
  CDA4864  Euphorbia peplus Phillipson 1915-5-1 Los Angeles Monrovia. Comment
  RSA592193  Euphorbia peplus L. C. Wheeler 1967-4-9 9180 Los Angeles San Gabriel Canyon, Canyon Inn. Comment
  UCR125160  Euphorbia polycarpa A. C. Sanders, Mark Elvin 2002-6-18 25123 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  RSA607629  Euphorbia prostrata L. C. Wheeler 1951-8-19 6833 Los Angeles Pasadena. 1870 E. Walnut St. Comment
  SD181566  Euphorbia serpillifolia Scott D. White 2000-6-24 8095 Los Angeles Puente Hills; City of Rowland Heights, Rancho Rincon de la Brea near Bill Blevins Park. 213 Comment
  RSA433506B  Euphorbia spathulata Blanche Trask 1901-03 1931 Los Angeles Avalon, Catalina Island. Comment
  UCR247476  Euphorbia terracina Dan S. Cooper 2013-3-7 313- 56 Los Angeles Western Transverse Range; Hollywood Hills, Griffith Park; roadside along Mt. Hollywood Dr., above Toyon Landfill 311 Comment
  RSA607706  Euthamia occidentalis Scott D. White 1997-11-5 6020 Los Angeles Mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UCR204881  Festuca arundinacea R. G. Swinney 2005-8-9 8409 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR227372  Festuca arundinacea Orlando Mistretta, Christine Mistretta 2008-5-19 3107 Los Angeles Transverse Range; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, structure 100 per TRTP Survey 2008), upper Fish Canyon, east of Monrovia Peak 1209 Comment
  UCR90286  Festuca microstachys Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  SBBG80234  Festuca myuros F. R. Fosberg 1931-3-19 4306 Los Angeles near mouth of Hamilton Cyn near Avalon 10 Comment
  UCR273183  Festuca myuros R. G. Swinney 2011-5-19 14758 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  RSA599728  Ficus carica Louis C. Wheeler 1968-9-3 s.n. Los Angeles San Gabriel Mountains: Cattle Canyon; ca 0.6 miles east (airline) of Camp Bonito. 625 Comment
  RSA600674  Ficus carica Louis C. Wheeler 1967-12-7 s.n. Los Angeles San Gabriel Mountains: West Fork of San Gabriel River between Rincon and North Fork. 457 Comment
  SEINET3463252  Ficus carica Unknown 1939-7-10 116 Los Angeles Los Angeles, Los Angeles, Campus Comment
  RSA0088632  Ficus microcarpa R. E. Riefner Jr. 2015-7-19 15 -203 Los Angeles City of Carson, Dominguez Channel at Figueroa St. growing on S channel bank. 7 Comment
  RSA746797  Filago californica R. G. Swinney 2008-3-26 8564 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA522940  Filago gallica Timothy S. Ross, Orlando Mistretta 1990-10-24 3305 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  RSA598258  Filago gallica R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon and its tributaries. Poop-out Hill firebreak. 488 Comment
  RSA0115821  Foeniculum vulgare Steven A. Junak 1999-9-9 SCa- 1076 Los Angeles Santa Catalina Island. Top of Black Jack Peak, at microwave installation. 610 Comment
  RSA0126998  Frangula californica subsp. cuspidata Louis C. Wheeler 1967-7-15 10074 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. Comment
  SBBG95174  Frankenia salina M. B. Dunkle 1928-5-12 1923 Los Angeles Empire Landing Comment
  CAS-BOT-BC217360  Frasera neglecta Robert F. Thorne; M. Z. Thorne 1969-7-10 38375 Los Angeles E-facing slope N of Jackson Lake, Angeles National Foerst, San Gabriel Mountains 1859 Comment
  RSA464920  Fraxinus dipetala Albert J. Perkins 1918-4-20 s.n. Los Angeles Near Williams Camp; San Gabriel River Comment
  SD255800  Fraxinus latifolia Ian Cain, Natasha Bartely 2010-6-23 1535 Los Angeles Angeles National Forest, San Gabriel Mountains; Along Bear Creek east of Cogswell Dam. 562 Comment
  POM211793  Fraxinus oregona Louis C. Wheeler 1933-8-20 2091 Los Angeles 1/2 mi. below Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mts. 290 Comment
  IRVC29652  Fraxinus velutina A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26231 Los Angeles Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property Western San Gabriel Mtns. 351 Comment
  RSA482515  Funastrum cynanchoides var. hartwegii Richard Noyes, L. Arnseth 1988-4-30 499 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  SD4906  Galium angustifolium Mrs. Kate Stephens 1922-7-6 Los Angeles Ten miles west of Semmler Comment
  POM367660  Galium angustifolium subsp. angustifolium M. B. Dunkle 1932-5-28 2974 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA0051345  Galium angustifolium subsp. angustifolium Valerie Soza 2004-6-17 1721 b Los Angeles San Gabriel Mountains, Mt. Wilson Rd, north of junction with Mt. Lowe Rd. 1569 Comment
  RSA602320  Galium angustifolium subsp. angustifolium Steve D. Boyd, Lauren Raz 1997-6-17 9940 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  UC1511316  Galium angustifolium subsp. angustifolium Robert F. Thorne and Dick Tilforth 1978-6-21 52329 Los Angeles n Bob's Gap; San Gabriel Mountains Comment
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Jan 8 2017
  UC1584899  Galium angustifolium subsp. angustifolium Tim Ross and Steve Boyd 1991-7-24 5608 Los Angeles ridge nne G.M.; Pacifico Mountain USGS 7.5' Quad, Granite Mountain vicinity 1892 Comment
  UC496154  Galium angustifolium subsp. angustifolium W. R. Dudley and Lamb 1896-6-7 4353 a Los Angeles nw Mojave Desert; Antelope Valley Comment
  JEPS56059  Galium angustifolium subsp. gabrielense Clare B. Hardham 1966-7-29 14274 Los Angeles Sunset Mtn<?> Rd San Gabriel Mts., Evey <?> Canyon (head of canyon) 1615 Comment
  UCR271079  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-6-14 15131 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA630250  Galium angustifolium subsp. nudicaule Scott D. White, David E. Bramlet 1998-8-11 7048 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA0106116  Galium aparine R. G. Swinney 2011-3-15 14072 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  SD45603  Galium catalinense D. F. Howe 1953-5-3 Los Angeles Catalina Island, hillside north of Wain Canyon Comment
  RSA725597  Galium catalinense subsp. catalinense Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 417 Los Angeles Santa Catalina Island. Lower road above Cherry Cove just N of fourth of July Cove. 45 Comment
  SBBG17949  Galium nuttallii subsp. insulare E. R. Blakley 1963-4-10 5588 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  UCR162368  Galium nuttallii subsp. nuttallii Anuja Parikh, Nathan Gale 2004-5-13 2009 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch (study area 46), near Magic Mountain Theme Park 396 Comment
  CATA1867  Galium parisiense Denise Kraus 2000-7-27 47 Los Angeles Santa Catalina Island: Wild Boar Gully, northern edge of inner Cercocarpus exclosure (across gully and above C. traskiae ""B"") 182 Comment
  SDSU10618  Galvezia speciosa R. M. Beauchamp 1967-3-19 313 Los Angeles Growing down from rocky ledge in canyon south of Wilson Cove Pier. San Clemente Island. Comment
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May 16 2008
  SD217380  Gambelia speciosa Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4430 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  UCR194742  Gamochaeta pensylvanica Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 720 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, north side; northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 518 Comment
  CAS-BOT-BC186346  Garrya flavescens Timothy S. Ross; Darin Banks 1994-4-13 7542 Los Angeles Lower Spunky Canyon: eastern slope at the effluence of the canyon into Bouquet Reservoir 926 Comment
  POM3301  Garrya flavescens I. M. Johnston 1918-5-19 1982 Los Angeles Upper San Antonio Canyon. 1585 Comment
  LA40311  Garrya veatchii W. R. B.; April 1947 sn Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Highway Comment
  UCR190044  Gayophytum R. G. Swinney 1998-9-7 6933 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
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May 1 2012
  RSA0111935  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-8-5 15606 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
  RSA586063  Gayophytum diffusum subsp. parviflorum Orlando Mistretta 1995-7-11 1879 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  POM78163  Geranium carolinianum F. M. Reed 1920-4-18 4345 Los Angeles Reeves Ranch, south of Covina. Los Angeles. Comment
  RSA0088103  Gilia R. G. Swinney 2010-5-19 12792 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
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Dec 7 2018
  RSA0099419  Gilia R. G. Swinney 2011-8-5 15602 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
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Dec 7 2018
  SBBG17250  Gilia achilleifolia subsp. achilleifolia K. A. Wilson 1961-4-26 1156 Los Angeles Soledad Cyn, small cyn adjacent to Bee Cyn, N of River's End Ranch Comment
  RSA590072  Gilia aliquanta subsp. aliquanta Orlando Mistretta 1994-3-30 982 Los Angeles Little Rock Creek; Slopes east of creek below Little Rock Dam; Pacifico Mountain. 1021 Comment
  RSA470120  Gilia angelensis F. R. Fosberg 1931-5-6 S- 4825 Los Angeles Cape Canyon, Santa Catalina Island. 280 Comment
  RSA732530  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Exon Mesa, due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River. 335 Comment
  RSA732812  Gilia angelensis R. G. Swinney 2000-5-19 7685 Los Angeles San Gabriel Mtns.: San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden hills Rd. and 400 m west of stream. 512 Comment
  RSA709788  Gilia brecciarum subsp. brecciarum LeRoy Gross 2005-4-28 2141 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
  UCR220172  Gilia cana R. G. Swinney 2009-4-2 10243 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR252579  Gilia capitata R. G. Swinney 2010-5-11 12666 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  LA81933  Gilia capitata subsp. abrotanifolia O. H. Kappler; 1941-3-20 139 Los Angeles 274 Comment
  RSA729734  Gilia capitata subsp. abrotanifolia R. G. Swinney 1998-6-16 6979 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  UC457255  Gilia capitata subsp. abrotanifolia Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains, Los Alisos Canyon Comment
  UCR143132  Gilia capitata subsp. abrotanifolia L. C. Wheeler 1967-5-2 9271 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  RSA656169  Gilia capitata subsp. abrotanifolia Joseph M. Keefe 1977-6-11 22156 Los Angeles Verdugo Mountains: Trail to Water Caves, south fork of Engleheard Canyon, one km south of Camp Max Straus, Glendale. 427 Comment
  CHSC34462  Gilia latiflora subsp. davyi J. Eckert 1968-4-13 99 Los Angeles 5 mi. N. of Pearblossom off Hwy. 138 in S. Mojave Desert. 762 Comment
  RSA589260  Gilia latiflora subsp. latiflora T. S. Ross 1991-4-27 4667 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg. SW of Three Sisters [buttes]. 1003 Comment
  RSA777622  Gilia leptantha subsp. transversa Orlando Mistretta, Christine Mistretta 2010-5-20 5158 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 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
  UCR68924  Gilia nevinii Steve Boyd, L. Arnseth, T. S. Ross 1990-4-7 4262 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CAS-BOT-BC402006  Gilia ochroleuca subsp. bizonata Frank W. Peirson 1919-5-10 268 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mts. 914 Comment
  UCR124249  Gilia ochroleuca subsp. bizonata L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns, Foothills of the mountains: 2 mi NE of Vincent 991 Comment
  RSA0016248  Gilia ochroleuca subsp. bizonata R. F. Thorne 1973-5-11 43561 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  RSA0016263  Gilia ochroleuca subsp. bizonata Orlando Mistretta, Christine Mistretta 2008-4-19 2492 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  RSA152127  Gilia ochroleuca subsp. vivida Wesley O. Griesel 1962-6-6 s.n. Los Angeles Hwy 2, E of Newcombs Ranch, San Gabriel Mts 1829 Comment
  UCR271064  Githopsis diffusa R. G. Swinney 2011-6-6 15015 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UC520024  Glebionis coronaria Joseph Andorfer Ewan 1932-6-29 7547 Los Angeles 3 mi w of Hawthorne Comment
  JEPS64820  Glycyrrhiza lepidota Frank W. Peirson 1918-6-18 588 Los Angeles Rock Creek San Gabriel Mountains 1219 Comment
  UCD132398  Glyptopleura marginata Geoffrey Levin 1975-5-17 506 Los Angeles 1.5 mi. east on State 138 from junction with State 18 near Pinyon Hills. Drainage Area: Mohave River. 1158 Comment
  UCR38880  Gnaphalium californicum B. A. Prigge 1985-6-14 6395 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch Site 659 Comment
  RSA004471  Gnaphalium californicum Fay A. MacFadden 1931-4-17 2967 Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA703547  Gnaphalium canescens subsp. microcephalum Michael Honer 2004-6-22 2009 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  POM4653  Gnaphalium chilense Hester Jewell 1912-6-12 94 Los Angeles Claremont Comment
  UCR131439  Gnaphalium luteoalbum Alison Lipman 2000-6-9 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA0012267  Gnaphalium palustre Orlando Mistretta, Youssef Atallah 2011-8-12 6027 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. 1083 Comment
  RSA778873  Gnaphalium palustre Orlando Mistretta, Christine Mistretta 2010-6-1 5226 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  RSA0091317  Gnaphalium stramineum R. G. Swinney 2011-5-26 14878 Los Angeles 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. 1061 Comment
  POM304839  Gnaphalium stramineum Henry J. Ramsey, Henry J. Ramsey 1937-9-2 215 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  PASA1910  Godetia cylindrica Frank W. Peirson 1923-6-19 Los Angeles Boquet Canyon 1066 Comment
  CAS-BOT-BC110274  Grayia spinosa David Dreyer 1968-4-6 s.n. Los Angeles North edge of San Gabriel Mountains. 1493 Comment
  RSA735918  Grindelia hirsutula subsp. hirsutula Justin M. Wood 2008-5-31 12 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  UCR99403  Harpagonella palmeri Lauren Raz, Orlando Mistretta, M. Wall 1997-3-16 068 Los Angeles Channel Islands, Santa Catalina Island, Avalon Canyon via 'Divide Trail', NE of the Wrigley Botanical Garden 183 Comment
  SEINET10473511  Hazardia cana Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4813 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  POM361280  Hazardia squarrosa var. grindelioides Fordyce Grinnell Jr 1911-09 1931 Los Angeles Bailey Canyon, San Gabriel Mountains. Comment
  RSA595929  Hazardia squarrosa var. obtusa Lauren Raz, S. D. Boyd 1996-10-23 033 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. 609 Comment
  CAS-BOT-BC306643  Helenium bigelovii I. M. Johnston 1917-7-28 1525 Los Angeles San Antonio Mountains. N. Fk San Antonio Canon [Canyon] (Gold Ridge Mine) 2438 Comment
  RSA729390  Helenium bigelovii R. G. Swinney 1998-7-21 6466 Los Angeles Upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail. 1707 Comment
  LA35979  Helianthemum scoparium Peter H. Raven; David S. Verity 1960-5-7 15321 Los Angeles Santa Monica Mountains, Arroyo Sequit 243 Comment
  RSA563527  Helianthemum scoparium T. S. Ross, Walter Appleby 1993-5-13 7127 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA441787  Helianthemum scoparium var. vulgare George B. Grant 1903-1 546 Los Angeles Dry sunny places, Pasadena Comment
  RSA441792  Helianthemum scoparium var. vulgare Anstruther Davidson 1889-09 s.n. Los Angeles E. Los Angeles Comment
  LA31649  Helianthus annuus Peter H. Raven; Henry J. Thompson 1959-9-18 14429 Los Angeles 77 Comment
  RSA0080779  Helianthus annuus R. G. Swinney 2010-4-15 12242 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary. 415 Comment
  CAS-BOT-BC305423  Helianthus annuus Herman Knoche 1919-7-14 Series A, No. 1054 Los Angeles Unspecified Comment
  POM369754  Heliotropium curassavicum var. oculatum Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA0127188  Heliotropium curassavicum var. oculatum Louis C. Wheeler 1967-7-23 10142 Los Angeles Pond 1/2 mile westerly from Barrel Springs on San Andreas Fault. Occuring foot of Whitney Canyon. 427 Comment
  RSA455893  Hemizonia fasciculata M. Bisbee 1917-5-29 s.n. Los Angeles Hills north side Eagle Rock Valley Comment
  RSA615864  Hemizonia minthornii Scott D. White 1995-10-19 3701 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  RSA653483  Hesperocnide tenella Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 777 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 335 Comment
  SEINET4118123  Hesperocnide tenella J. Mygatt, M. Mygatt; A. Fone 1996-1 M- 96 -1 Los Angeles Santa Catalina Island, Renton Mine area, 40 feet up a SE facing canyon from a turn-out on the road. 182 Comment
  OBI25819  Hesperocyparis macnabiana Patrick O'Bannon 1973-2-4 14 Los Angeles Woodland Hills on Brail trl 305 Comment
  UC34918  Hesperolinon micranthum Dr. A. Davidson 1890-1 Los Angeles Newhall Comment
  CAS-BOT-BC135942  Hesperoyucca whipplei Geo. B. Grant Apr. 4 s.n. Los Angeles Laurel Canyon Comment
  UCR275503  Heterocodon rariflorum D. E. Bramlet 2011-8-17 4932 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  RSA86823  Heteromeles arbutifolia F. W. Peirson 1907-7-1 694 Los Angeles Catalina Island. Comment
  UCR38914  Heteromeles arbutifolia B. A. Prigge 1985-6-14 6421 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail below Murphy Ranch Site 598 Comment
  RSA0074526  Heterotheca fastigiata Timothy S. Ross, Peter Fritsch 1990-6-20 3616 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
  UC897764  Heterotheca grandiflora Marcus E. Jones, A. M. 1882-3-7 3614 Los Angeles Pasadena Comment
  UCR41726  Heterotheca grandiflora G. R. Ballmer, G. 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
  CAS-BOT-BC318849  Heterotheca grandiflora Herman Knoche 1919-6-25 916 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC318880  Heterotheca grandiflora John Thomas Howell 1931-5-29 6558 Los Angeles Santa Monica, Santa Monica Mts. Comment
  RSA0074413  Heterotheca grandiflora Timothy S. Ross 1991-5-20 5365 Los Angeles San Clemente Island: North third, upper S branch of unnamed drainage that empties to sea just N of Jack Point lighthouse. 168 Comment
  RSA0074438  Heterotheca grandiflora Timothy S. Ross 1991-4-21 4555 Los Angeles Whittier Hills (Puente Hills, pro parte): ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  RSA730755  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Julie Vanderwier, Kim Marsden 2002-6-18 25102 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills 1 mi. SSW of Castaic Junction, west of Magic Mountain amusement park. 335 Comment
  CDA7943  Heterotheca sessiliflora subsp. echioides H. L. Wilson 1957-8-29 490 Los Angeles Highway 99, south of Gorman. 0 Comment
  UCR252753  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2010-9-1 13655 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA729510  Hieracium albiflorum R. G. Swinney 1999-7-5 7537 Los Angeles upper Cedar Canyon, c. 0.5 mi. west of junction of Hwy 2 1915 Comment
  RSA495552  Hieracium albiflorum S. Zona, D. Arias, O. Dorado, M. Hanson, J. L. Villasenor 1989-6-21 356 Los Angeles Mountain High Ski Resort. W of Wrightwood; N slopes of San Gabriel Mts. 2018 Comment
  CAS-BOT-BC319774  Hieracium argutum A. J. McC 1892-9-1 115 Los Angeles Near Pasadena Comment
  RSA127769  Hirschfeldia incana P. H. Raven, H. J. Thompson 1959-6-4 14321 Los Angeles Santa Monica Mountains. Point Dume. 46 Comment
  CLARK-A1528-1008  Hoffmannseggia falcaria John C. Roos 1947-5-25 3649 Los Angeles Monterey Park 115 Comment
  RSA449772  Holodiscus discolor L. E. Hoffman 1929-5-20 s.n. Los Angeles San Gabriel Mtns. San Gabriel Mountains, Big Santa Anita Cyn. Comment
  CAS-BOT-BC289492  Hordeum brachyantherum subsp. californicum Louis C. Wheeler 1936-4-12 4089 Los Angeles S. side, hills S Monterey Park 121 Comment
  UCR265589  Hordeum depressum Jordan Zylstra, Sandra L. Leatherman 2014-4-23 14016 Los Angeles Western Transverse Range, Northlake development site, between Intertstae 5 and Castaic Lake 402 Comment
  PASA640  Hordeum murinum Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA593890  Hordeum murinum subsp. glaucum Steve Boyd 1996-4-25 8671 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
  CATA1991  Hordeum vulgare Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 369 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road 228 Comment
  CAS-BOT-BC213016  Hosackia crassifolia I. M. Johnston 1917-7-1 1751 Los Angeles near Browns Flats 1371 Comment
  SBBG96696  Hypochaeris glabra S. Boyd with T. Ross, L. Arnseth 1990-4-7 4254 Los Angeles lower half of China Cyn Comment
  RSA596274  Hypochaeris glabra R. G. Swinney 1989-4-25 s.n. Los Angeles Big Dalton Canyon, in and near Glendora Wilderness Park, 0.9 mi. E of Glendora Mtn. Rd. 411 Comment
  SEINET3158526  Ipomoea indica G. B. Grant 612 Los Angeles Pasadena, Southern California Comment
  CATA1789  Isocoma menziesii var. vernonioides Benjamin E. Carter, John R. Clark 2012-8-9 6973 Los Angeles Santa Catalina Island: Twin Peaks, a ridge of limestone forming southwestern rim of Bulrush Canyon 390 Comment
  RSA748781  Isomeris arborea Justin M. Wood 2009-4-7 469 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UCR99481  Isopyrum occidentale Steve Boyd, Lauren Raz 1997-3-26 9388 Los Angeles Liebre Mtns., Sierra Pelona Ridge, southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of upper end of reservoir along Forest Service Road 6N08 1396 Comment
  UC481003  Jaumea carnosa R. L. Pendleton 1909-7-6 1429 Los Angeles Catalina Cove Santa Catalina Island 1 Comment
  SD237492  Juglans nigra A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37164 Los Angeles San Gabriel Valley; Whittier Narrows near South El Monte, north of San GabrielRiver channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines (El Monte 7.5'Q) 68 Comment
  RSA279126  Juncus acutus subsp. leopoldii Robert F. Thorne, D. Propst, Hoefs 1974-9-12 45107 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  SBBG128435  Juncus acutus subsp. leopoldii M. L. Hoefs 1995-5-16 2036 Los Angeles Big Springs Cyn, near rd to Two Harbors 103 Comment
  UC1133739  Juncus ambiguus Louis C. Wheeler 1936-6-26 367 Los Angeles Lewis Paul Canyon San Dimas Experimental Forest, Pomona Quad. 518 Comment
  SBBG12066  Juncus bufonius P. H. Raven 1962-4-10 17238 Los Angeles ca. 1.5 mi N of Thirst 457 Comment
  UCR155364  Juncus bufonius A. C. Sanders 2005-5-11 30130 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  CHSC112544  Juncus macrophyllus Duncan S. Bell; Caitlin Elam 2013-6-24 5294 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the moutn of Iorn Fork. 899 Comment
  RSA368130  Juncus mexicanus Anonymous 1978-6-21 1030 Los Angeles Hungry Valley, about 0.5 mile west of Gorman. 1220 Comment
  RSA608458  Juncus rugulosus L. C. Wheeler 1946-9-2 6338 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  UCR189981  Juncus rugulosus R. G. Swinney 1998-9-4 6906 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  UC483812  Juncus rugulosus F. R. Fosberg 1932-7-17 8586 Los Angeles lower part San Antonio Canyon Comment
  RSA230389  Juncus saximontanus Robert F. Thorne, M. Z. Thorne 1969-7-10 38387 Los Angeles San Gabriel Mountains; Angeles National Forest: Along Angeles Crest Hwy. 1.1 mile NE of Pine Hollow Picnic Ground. 2134 Comment
  SEINET3881466  Juncus torreyi A. C. Sanders, Mark A. 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, N of Potrero Cyn. (Val Verde 7.5' Q.).; 0 274 Comment
  UCR212793  Juncus xiphioides Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1789 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon, north of San Dimas Reservoir]. First road intersection beyond the ranger station, edge of San Dimas Creek along trail next to the gate 454 Comment
  RSA368386  Juncus xiphioides F. R. Fosberg 1931-7-10 S- 5371 Los Angeles Eagle s Nest. Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  HSC24456  Juniperus californica B. A. Prigge 1970-12-29 113 Los Angeles 5 mi. SE of Llano on county road N-4, N slope of San Gabriel Mtns. 1159 Comment
  SEINET7047916  Juniperus californica Steven R. Hill, Kate Kramer 2001-4-22 33365 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 miles west of California Route 14, 0.9 mile west of Highland Street (25th Street West), west of Palmdale. Vicinity of Armagosa Creek. Elevation about 2800 feet. Comment
  RSA527789  Keckiella cordifolia Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4355 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA79783  Keckiella cordifolia Raymond J. Dobbs 1927-6-28 7684 Los Angeles Arroyo Seco near Switzers, San Gabriel Mountains. 915 Comment
  UC56966  Keckiella cordifolia Ernest Braunton Jul 1902 550 Los Angeles Griffith Park Comment
  POM155817  Keckiella ternata subsp. ternata M. L. Bryan 1928-4-17 97 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  RSA87068  Koeleria macrantha F. W. Peirson 1918-4-28 1596 Los Angeles Road east and south of El Monte. Comment
  UCR179445  Koeleria macrantha R. G. Swinney, Dave Larson 1996-7-17 5115 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA69953  Krascheninnikovia lanata F. W. Peirson 1926-4-26 6653 Los Angeles about 1 mile east of Palmdale Comment
  SEINET6653598 Image available Krascheninnikovia lanata D. Mummert 1968-1 31 Los Angeles 1/4 mile south of Hwy 138 914 Comment
  UCR222744  Krascheninnikovia lanata R. G. Swinney 2009-4-29 10606 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  RSA443520  Lactuca serriola A. C. Sanders 1987-9-18 7360 Los Angeles El Segundo Dune, W of Los Angeles International Airport and Pershing Dr. 38 Comment
  RSA702197  Lactuca serriola Scott D. White, Pam De Vries 2004-6-14 10493 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UCR210212  Lactuca serriola R. G. Swinney 2008-9-10 9409 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  SD49392  Laennecia coulteri Reid Moran 1959-3-9 7156 Los Angeles San Clemente Island, arroyo 1 mile north of Eel Point 20 Comment
  CAS-BOT-BC341492  Lagophylla ramosissima I. M. Johnston 1918-8-4 2112 Los Angeles Hills west of Pomona 304 Comment
  UCR253911  Lagophylla ramosissima Mitch Provance 2010-5-11 0510- 15 Los Angeles Westernmost Mojave Desert, south of Hwy 138 between Quail Lake and Neenach 960 Comment
  SBBG96662  Lamarckia aurea S. Boyd with T. Ross, L. Arnseth 1990-4-7 4246 Los Angeles lower half of China Cyn Comment
  RSA0047165  Lamarckia aurea R. Munkittrick 1948-5-8 s.n. Los Angeles [No further locality information] Comment
  RSA356052  Lamium amplexicaule Robert F. Thorne 1973-3-26 42718 Los Angeles Webb Canyon, N of Claremont 366 Comment
  RSA82556  Lamium amplexicaule Louis C. Wheeler 1932-5-30 796 Los Angeles Thompson Creek Wash 2 mi. NE La Verne. 373 Comment
  UC520376  Lamium amplexicaule Louis C. Wheeler 1933-7-14 1937 Los Angeles near Rio Hondo; Potrero Chico 68 Comment
  CAS-BOT-BC338134  Lasthenia californica Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 s.n. Los Angeles Mojave Desert. Antelope Valley Comment
  RSA650960  Lasthenia californica R. Nilsen 1955-4-16 s.n. Los Angeles 1/2 mile W of Cal Poly, San Dimas. 244 Comment
  RSA92924  Lasthenia californica F. W. Peirson 1923-4-9 3425 Los Angeles San Clemente Island: Wilson's Cove Comment
  SEINET10759247  Lasthenia californica Noel H. Holmgren, Patricia K. Holmgren 1974-4-5 Holmgren 7626 Los Angeles North foothills of the San Gabriel Mountains, Portal Ridge, 13 airline miles west of Lancaster. 1067 Comment
  SFV3751  Lasthenia californica J. Chapman 1956-3-30 s. n. Los Angeles San Gabriel Mountains Gorman. Comment
  RSA725652  Lasthenia chrysostoma Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 427 Los Angeles Santa Catalina Island. Lower road above Cherry Cove just N of fourth of July Cove 45 Comment
  SBBG98060  Lasthenia gracilis T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5161 Los Angeles 950 ft WNW of Stone at the beginning of the Stone Cyn drainage 441 Comment
  UC54183  Lasthenia gracilis W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  UCR142897  Lasthenia gracilis M. B. Dunkle 1939-4-4 7261 Los Angeles Channel Islands, Chenetti Canyon, San Clemente Island Comment
  UCR189952  Lasthenia gracilis R. G. Swinney, Vanessa Merritt 1998-6-12 6962 Los Angeles San Gabriel Mtns., 3 miles west of Pinon Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek 1378 Comment
  UCR124361  Lathyrus vestitus I. W. Clokey, B. C. Templeton 1929-1 4463 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  RSA405674  Lathyrus vestitus subsp. laetiflorus F. R. Fosberg 1931-3-1 S- 4226 Los Angeles Topanga Canyon, 1.5 mi. below Wildwood, Santa Monica Mountains. 75 Comment
  RSA133738  Lathyrus vestitus subsp. laetiflorus P. H. Raven 1959-5-3 14100 Los Angeles Mulholland Drive 1.0 mile west of Laurel Pass 366 Comment
  RSA405688  Lathyrus vestitus subsp. laetiflorus James Clizbe 1930-4-2 s.n. Los Angeles Griffith Park Comment
  RSA405703  Lathyrus vestitus subsp. laetiflorus E. S. Spalding 1924-4-3 s.n. Los Angeles Manhattan Beach Comment
  UC50352  Lathyrus vestitus var. vestitus H. M. Hall 1903-4-1 3742 Los Angeles near Pasadena; Arroyo Seco Comment
  CAS-BOT-BC321528  Layia glandulosa Cecil Hart 1927-4-10 s.n. Los Angeles Ridge route to Lancaster Comment
  CAS-BOT-BC321530  Layia glandulosa Alice Eastwood 1913-5-11 3164 Los Angeles San Fernando Wash Comment
  RSA669581  Layia glandulosa Staff Cal State College Long Beach 1969-5-29 690429 -3 Los Angeles N. of San franscisquito Canyon, on road to Palmdale. Comment
  SFV4006  Layia glandulosa K. A. Wilson 1961-4-29 1176 Los Angeles San Gabriel Mountains Devil's Punchbowl camp site. Two miles south of Valyermo._x000B_Sandy rocky wash. 1220 Comment
  UC62901  Layia glandulosa H. M. Hall May 1 1902-May 3 1902 3078 Los Angeles vicinity Elizabeth Lake; Antelope Valley 1066 Comment
  UCR270454  Layia glandulosa R. G. Swinney 2011-5-12 14662 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  CAS-BOT-BC321509  Layia glandulosa A. D. E. Elmer 1902-6-1 4162 Los Angeles Lancaster Comment
  UCD133901  Layia glandulosa Isabelle Tavares; Valera Brinson 1962-4-16 273 Los Angeles near Palmdale, 2.7 miles east of Highway 6 on highway connecting with Angeles Crest Highway (Highway 2). Comment
  RSA0077564  Layia heterotricha Anstruther Davidson, Hasse 1906-6-2 1468 Los Angeles Big Rock Creek. Comment
  SBBG53162  Layia platyglossa S. A. Junak 1978-4-15 SCa 3 Los Angeles upper Cherry Valley Comment
  SBBG95244  Layia platyglossa M. B. Dunkle 1928-4-10 1834 Los Angeles Johnson's Cyn 243 Comment
  CAS-BOT-BC380220  Layia platyglossa Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Cnyon 198 Comment
  UC557742  Layia platyglossa Nell Murbarger 1936-3-1 84 Los Angeles w side San Clemente Island Comment
  POM361669  Layia platyglossa subsp. campestris L. E. Hoffman 1931-5-18 s.n. Los Angeles Arroyo Seco near Brookside Park. Comment
  SD134447  Lemmonia californica Craig Reiser 1990-5-16 Los Angeles Mountain NW of Palmdale, upper ridge of Ritter Ridge Comment
  LA82027  Lepechinia fragrans Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SD69668  Lepechinia fragrans Robert F. Thorne 1966-4-29 36329 Los Angeles Santa Catalina Island; below road to White's Landing above turn-off to Echo Lake. 410 Comment
  CHSC95547  Lepidium fremontii LeRoy Gross 2005-5-19 2301 Los Angeles Mojave Desert; West Mojave Desert region: 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 34.81703, 118.16403W. 722 Comment
  RSA534122  Lepidium lasiocarpum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5085 Los Angeles San Clemente Island. Sand dunes of coastal terrace at West Cove, SW of the new landing field 6 Comment
  RSA429623  Lepidium nitidum M. B. Dunkle 1932-2-27 2867 Los Angeles Silver Canyon trail, Santa Catalina Island. Comment
  SBBG13458  Lepidium nitidum E. R. Blakley 1962-6-9 5181 Los Angeles Triangulation Pt Thirst 598 Comment
  UC56034  Lepidium nitidum J. H. Barber 293 Los Angeles Santa Monica Mts. Comment
  UCD115815  Lepidium nitidum A. C. Sanders 2003-3-14 25769 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel. 520 Comment
  UCR101203  Lepidium pinnatifidum L. C. Wheeler 1944-9-25 5975 Los Angeles South Coastal Plain, Culver City, Jasmine Ave. & Venice Blvd. Comment
  RSA305021  Lepidium pinnatifidum P. H. Raven 1960-5-4 s.n. Los Angeles Well established perennial street weed along Santa Monica Blvd, near Westwood Blvd 91 Comment
  UCR241291  Lepidium strictum Tracy Drake, Tony Baker 2012-4-3 2012- 2 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UC10651  Lepidium virginicum var. pubescens Dr. A. Davidson 1895-1 Los Angeles Los Angeles Comment
  UC216493  Lepidium virginicum var. pubescens A. J. McClatchie 1893-4-10 Los Angeles near Pasadena Comment
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Dec 9 2010
  UCR223381  Lepidium virginicum var. pubescens R. G. Swinney 2009-5-27 10884 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  POM346620  Lepidium virginicum var. pubescens Barry Burnell 1969-5-22 138 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  RSA530054  Lepidium virginicum var. virginicum Timothy S. Ross 1991-8-16 5841 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  RSA678209  Lepidium virginicum var. virginicum V. Soza, LeRoy Gross 2001-4-18 1135 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 732 Comment
  RSA762071  Lepidium virginicum var. virginicum Orlando Mistretta, Christine Mistretta 2008-5-16 3085 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 106 per TRTP Survey 2008), Upper Fish Canyon 1002 Comment
  CAS-BOT-BC328075  Lepidospartum squamatum Timothy S. Ross; Steve Boyd 1994-9-20 8252 Los Angeles Upper Bouquet Canyon, ca 2225 m WCW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, 993 Comment
  RSA550007  Lepidospartum squamatum var. squamatum Scott D. White 1992-10-8 899 B 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
  CAS-BOT-BC272409  Leptochloa fusca subsp. uninervia J. Ewan 1931-7-31 4774 Los Angeles Telegraph Road near Santa Fe Crossing Comment
  UCR126765  Leptodactylon californicum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26212 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  SD87549  Leptosiphon breviculus Frank W. Peirson 1929-7-1 8443 Los Angeles Mt. Pacifico, San Gabriel Mountains. 1981 Comment
  RSA469980  Leptosiphon breviculus B. C. Templeton 1932-7-21 5026 Los Angeles East Blue Ridge, Big Pines Park 2104 Comment
  POM364640  Leptosiphon liniflorus Anstruther Davidson 1889-09 s.n. Los Angeles Glendale. Comment
  CATA1569  Leptosiphon parviflorus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2837 Los Angeles Santa Catalina Island: Hillside above New York Harbor 79 Comment
  UCR143341  Lessingia filaginifolia var. filaginifolia P. A. Munz 1947-9-18 12135 Los Angeles Transverse Range, Mint Canyon Public Camp, NE of Saugus 762 Comment
  POM153335  Lessingia glandulifera var. glandulifera P. A. Munz, I. M. Johnston 1928-9-4 11139 Los Angeles Pacoima Wash, near San Fernando. Comment
  RSA749855  Leucaena leucocephala A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36978 Los Angeles Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UC212955  Lewisia rediviva I. M. Johnston 1917-6-20 1493 Los Angeles Baldy Lookout of USGS San Antonio Mountains 1981 Comment
  RSA483173  Leymus condensatus Robert L. Dressler 1948-7-28 65 Los Angeles Baldwin Hills, rolling hills with grass cover. Comment
  UCD64286  Leymus condensatus Beecher Crampton 1976-9-21 9412 Los Angeles ca. 10 miles east of Saugus on State Hwy. 14, Agua Dulce Canyon area. Comment
  UCD64301  Leymus condensatus Daryl Koutnik 1978-6-3 s. n. Los Angeles Dry Canyon - Cold Creek Road between Mulholland Highway and Old Topanga Canyon Road. 304 Comment
  UCD64543  Leymus condensatus Robert F. Thorne; P. Everett 1965-6-22 34869 Los Angeles Santa Catalina Island, up Pebble Beach Canyon, along roadside. 30 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
  UCR101733  Lilium parryi L. C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mtns, South Fork of Alder Gulch 1677 Comment
  RSA68711  Lilium rubescens Frank W. Peirson 3687 Los Angeles Road near Coldwater Canyon, Santa Monica Mts. Comment
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May 5 2010
  RSA536069  Limonium perezii Tim S. Ross 1991-5-22 5436 Los Angeles San Clemente Island: lower Wilson Cove Canyon, just W of the dock activities 12 Comment
  UCR127245  Linanthus androsaceus Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2917 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR155124  Linanthus androsaceus A. C. Sanders 2005-5-5 29930 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  RSA518024  Linanthus androsaceus subsp. luteolus Steve Boyd 1986-3-31 1561 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCR265948  Linanthus bigelovii Orlando Mistretta, Christine Mistretta 2005-4-21 2059 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  UCR153452  Linanthus breviculus R. F. Thorne, M. Z. Thorne 1969-7-10 38399 Los Angeles Transverse Ranges: San Gabriel Mtns region, Angeles National Forest. Along Mescal Creek 2043 Comment
  CAS-BOT-BC226740  Linanthus californicus E. Roy Weston 1927-3-27 571 Los Angeles Newhall tunnel Comment
  UCSB43817  Linanthus dianthiflorus Morales, M. 1982-4-18 Los Angeles 400 yards south of Catalina airfield 441 Comment
  POM364567  Linanthus dianthiflorus subsp. dianthiflorus H. L. Bauer 1931-3-1 13957 Los Angeles Tunas Canyon near Topanga Canyon. Comment
  UCR186938  Linanthus parryae A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32073 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  SEINET3163729  Linanthus parviflorus G. B. Grant 1904-5-5 694 a/6185 Los Angeles at Arroyo Seco Canyon, San Gabriel Mts., southern California 610 Comment
  UCR99472  Linanthus pygmaeus Steve Boyd, T. S. Ross 1997-3-21 9221 Los Angeles Liebre Mtns., Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 mi east of the junction of F.S. Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgelind dividing Bleich Canyon and Broad Canyon 1311 Comment
  UCR124406  Linaria canadensis var. texana B. C. Templeton 1968-2-25 11385 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  RSA400290  Linaria canadensis var. texana M. B. Dunkle 1939-4-6 7313 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UCR110897  Linaria maroccana A. C. Sanders, D. Malueg 1998-6-22 21986 B Los Angeles San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed 610 Comment
  RSA623555  Linaria maroccana Bill Hogshead 1998-5-3 s.n. Los Angeles San Gabriel Mtns.: Upper Bear Creek Trail, over Smith Saddle, 0.5 mile from trailhead. Comment
  SFV18161  Linaria maroccana P. M. Schiffman 2001-4-29 s. n. Los Angeles Verdugo Mountains Directly north of La Tuna Canyon Road and 210 Freeway. Approximately 25 m north of road on very steep, more or less south facing slope of decomposing granite. 488 Comment
  UCR162290  Linum usitatissimum Anuja Parikh, Nathan Gale 2004-6-2 2031 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  CAS-BOT-BC426252  Lithophragma affine Frank W. Peirson 1921-3-12 4190 Los Angeles Big Santa Anita Canyon, San Gabriel Mts. 762 Comment
  SDSU9549  Lithophragma affine Gerald Collier 1951-5-5 Los Angeles Santa Anita Canyon. San Gabriel Mtns., Chantry Flats Trail about 1/8 mile from top of canyon. Comment
  RSA468214  Lithophragma affine subsp. mixtum Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon. 350 Comment
  UCR185397  Lithophragma parviflorum A. C. Sanders, T. B. Salvato 2007-4-25 33550 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
  UC303427  Lobelia dunnii var. serrata D. L. Crawford Aug. 1915 Los Angeles Mountains near Claremont; Southern California Comment
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Jan 18 2008
  UC484281  Lobelia dunnii var. serrata Ernest Braunton Sept. 1928 1021 Los Angeles San Gabriel Canyon 609 Comment
  UCR259574  Lobularia maritima R. G. Swinney 2010-4-1 12135 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCR4159  Lobularia maritima R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns. Foothills, Pasadena, Arroyo Seco, just north of Jet Propulsion Laboratory 366 Comment
  UC284180  Loeseliastrum matthewsii P. A. Munz 1923-5-26 6827 Los Angeles San Gabriel Mts., Big Rock Creek 1463 Comment
  RSA77062  Loeseliastrum matthewsii F. W. Peirson 1919-6-15 468 Los Angeles Rock Creek, San Gabriel Mts. 1280 Comment
  RSA468339  Loeseliastrum schottii Robert Gustafson 1978-6-21 1027 Los Angeles Lower Hungry Valley, freeman Canyon about 4 miles south of gorman 976 Comment
  CATA3339  Logfia arizonica Amy Catalano 2017-4-18 057 Los Angeles Santa Catalina Island: Hillside NNE of house #102 in Middle Ranch, about 120 meters from the house 260 Comment
  SBBG117137  Logfia arizonica S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1534 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
  CAS-BOT-BC342110  Logfia arizonica Peter H. Raven; Henry J. Thompson 1959-5-5 14152 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). 4.1 miles north-west of Tapia Park on road to Malibu Lake 182 Comment
  CAS-BOT-BC283440  Lolium multiflorum A. H. Gallup 1949-6-11 s.n. Los Angeles Eastern foot of Tallac Knoll, LASCA Comment
  RSA750836  Lolium perenne subsp. perenne R. G. Swinney 2005-8-9 8416 Los Angeles Big Rock Creek at Paradise Springs 1439 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
  POM8782  Lomatium lucidum P. A. Munz, R. D. Harwood 1920-5-2 3819 Los Angeles San Dimas Canyon. 457 Comment
  UCSB7349  Lomatium lucidum Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon Comment
  SBBG59738  Lomatium utriculatum R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  SBBG118153  Lonicera hispidula var. vacillans F. R. Fosberg 1931-5-12 4851 Los Angeles Hay Press [Haypress] 350 Comment
  RSA305983  Lonicera japonica Bill Kelley 1983-6-1 s.n. Los Angeles Naturalized on hillsides; Big Santa Anita Canyon Comment
  CAS-BOT-BC234812  Lonicera subspicata S. M. Kaune 1962-6-13 377 Los Angeles Ca. 15-20 mi. S. of Tejon Pass; on route toward Castaic, off of Hwy 99; just S. & above Oso Canon [Canyon]; S.W. end of Tehatchapi [Tehachapi] Mtns; Angeles Nat'l Forest 914 Comment
  RSA0085495  Lonicera subspicata R. G. Swinney 2010-8-9 13463 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  SEINET4035311  Lotus argophyllus var. argenteus R. Moran 1941-1 594 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  UC864764  Lotus argophyllus var. argenteus Carl B. Wolf 1932-5-9 Los Angeles 0.5 mi from Avalon (on road to Pebbley Beach); Santa Catalina Island 7 Comment
  POM16979  Lotus crassifolius C. F. Baker 1909-1 s.n. Los Angeles Claremont. Comment
  RSA748362  Lotus crassifolius var. crassifolius Scott D. White, Justin M. Wood 2009-5-6 12659 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA599701  Lotus crassifolius var. crassifolius Joseph A. Ewan 1936-8-10 10032 Los Angeles San Gabriel Mountains: Big Pines. 2103 Comment
  RSA753988  Lotus crassifolius var. crassifolius Unspecified 680621 Los Angeles Angeles National Forest, Upper Chialo Campground 1616 Comment
  POM155856  Lotus dendroideus var. dendroideus M. B. Dunkle 1928-4-11 1851 Los Angeles Emerald Bay, Santa Catalina Island. 15 Comment
  RSA561590  Lotus grandiflorus var. grandiflorus Steve Boyd 1993-5-17 8146 Los Angeles North of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. at the western edge of the forest on ridge at head of Elsmere Canyon, north of Sombrero Road (3N64) and west of communications facility. 883 Comment
  IRVC28370  Lotus hamatus A. C. Sanders, Tricia Wotipka 2003-4-28 26102 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA3722  Lotus hamatus C. B. Wolf 1932-5-10 3512 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 121 Comment
  RSA188531  Lotus heermannii var. heermannii R. F. Thorne 1965-8-26 35395 Los Angeles San Gabriel Mts.: Angeles National Forest, Camp Lupine near Prairie Fork. 2012 Comment
  UCR187187  Lotus humistratus A. C. Sanders 2006-4-21 32141 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  RSA252895  Lotus humistratus R. F. Thorne 1973-5-11 43551 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
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Dec 22 2012
  UCR178073  Lotus micranthus LeRoy Gross, Naomi Fraga 2002-5-16 542 Los Angeles Transverse Ranges; San Gabriel Moutains, Van Tassel road a short distance southeast of White Saddle, Angeles National Forest road survey of 2002 976 Comment
  RSA640902  Lotus nevadensis var. davidsonii L. C. Wheeler 1967-8-9 10431 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1981 Comment
  RSA746406  Lotus oblongifolius R. G. Swinney 2003-7-11 8298 Los Angeles Juniper Hills, Pallet Creek 0.4 mi south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
  POM1910  Lotus oblongifolius var. oblongifolius I. M. Johnston 1917-6-20 1907 j Los Angeles Camp Baldy 1220 Comment
  RSA782807  Lotus purshianus A. C. Sanders, Dan S. Cooper 2010-8-5 38536 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  UCR210261  Lotus purshianus R. G. Swinney 2008-8-13 9371 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  JEPS55922  Lotus salsuginosus Samuel B. Parish Jun 1887 1891 Los Angeles San Francisquito Canyon Comment
  RSA0114806  Lotus salsuginosus R. G. Swinney 2011-4-26 14478 Los Angeles San Gabriel Mountains; Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA709413  Lotus salsuginosus A. C. Sanders 2005-5-5 29882 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  RSA406851  Lotus scoparius var. scoparius Kenneth R. Montgomery 1973-5-7 73 -146 Los Angeles site of LASCA Cistus field plot Comment
  RSA526567  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4252 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA748854  Lotus strigosus R. G. Swinney 2008-5-8 8785 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UC56563  Lotus strigosus Miss E. D. Palmer before Feb 1902 Los Angeles Los Angeles Comment
  RSA406936  Lotus strigosus var. strigosus Reid V. Moran 1941-3-11 701 Los Angeles Santa Catalina Island. Ridge north of Middle Ranch. 300 Comment
  UCR237643  Ludwigia peploides Mark A. Elvin 2003-8-14 3008 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at mouth of Chiquito Canyon, south of SR 126 271 Comment
  RSA597251  Ludwigia peploides subsp. montevidensis B. Pitzer 1996-4-28 2738 Los Angeles Harbor City/ City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Highway (St. Hwy) and Vermont Ave. Comment
  UCR259373  Lunaria annua R. G. Swinney 2010-8-26 13588 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UC865542  Lupinus I. W. Clokey and B. C. Templeton 1930-4-8 4716 Los Angeles one mi n Elizabeth Lake; n of Elizabeth Lake Comment
  SEINET10870947  Lupinus albifrons 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 # 6450 x 8292 (3) Comment
  UCR141363  Lupinus andersonii R. G. Swinney 1997-8-19 5809 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  HSC87154  Lupinus bicolor Steve Boyd, T. S. Elias 1987-4-14 2040 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  UC73221  Lupinus bicolor Pupils of Los Angeles High School June 1904 Los Angeles near Los Angeles; near Los Angeles Comment
  UCR219463  Lupinus bicolor R. G. Swinney 2009-3-25 10153 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  POM350037  Lupinus bicolor subsp. microphyllus Freda Detmers 1931-3-12 13997 Los Angeles El Segundo. Comment
  SEINET10484877  Lupinus bicolor subsp. microphyllus Robert F. Thorne 1971-4-2 Thorne 41419 Los Angeles San gabriel mountains. Johnson's pastures, n of mountain ave 549 Comment
  UCR182227  Lupinus concinnus R. G. Swinney 1998-4-14 6003 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCR281352  Lupinus concinnus R. G. Swinney 2014-4-24 16237 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  UC130329 Image available Lupinus densiflorus var. altus J. Burtt Davy May 9 1896-May 24 1896 2505 Los Angeles Manzana Antelope Valley; Manzana, Antelope Valley Comment
  POM19047  Lupinus elatus P. A. Munz 1923-8-31 7677 Los Angeles Blue Ridge, Swartout [Swarthout] Valley 2575 Comment
  UCR14487  Lupinus elatus George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest, on Calif. Hwy 39 2134 Comment
  SD224968  Lupinus excubitus B. Pitzer 1996-4-20 2707 Los Angeles Western Mojave Desert, Antelope Valley. N side of St. Hwy 138 (= Ave. D), ca. 2 mi. W of Country Store, at town of Neenach (ca 30 mi W of Hwy I-14). Comment
  UCR117623  Lupinus excubitus Scott D. White 1997-5-8 5079 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  UCR193701  Lupinus excubitus R. G. Swinney 1999-5-22 7207 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  UCR258146  Lupinus excubitus Mitch Provance 2010-5-6 0510- 59 Los Angeles Western Transverse Range/Western Mojave Desert, Tejon Ranch, Cow Spring Canyon, 1 mile north of Gookins Dry Lake, 1.8 mi. south of Hwy 138 junction with 280th West 1060 Comment
  RSA152130  Lupinus excubitus var. austromontanus Wesley O. Griesel 1962-6-6 s.n. Los Angeles Big Pines, San Gabriel Mts 2073 Comment
  RSA599818  Lupinus excubitus var. austromontanus Steve Boyd, Lauren Raz 1997-3-26 9392 Los Angeles Liebre Mountains region: Summit of Sierra Pelona Ridge near the divide between Martindale Canyon to the north and Spade Spring Canyon to the south. 1377 Comment
  RSA660067  Lupinus excubitus var. austromontanus Orlando Mistretta 1992-5-25 406 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  RSA413599  Lupinus excubitus var. hallii Anstruther Davidson 1914-4-1 2965 Los Angeles Santa Suzanna Pass Comment
  RSA652214  Lupinus excubitus var. hallii Gene Cooper 1961-4-17 s.n. Los Angeles San Gabriel Canyon, N. of Azusa. Comment
  RSA104352  Lupinus formosus Unspecified 1936-4-20 299496 Los Angeles Lester Rowntree end of New York Ave towards Pasadena Glen Comment
  RSA305927  Lupinus formosus var. bridgesii McFadden 1933-05 11041 Los Angeles Pacoima, San Fernando Valley Comment
  SBBG132166  Lupinus guadalupensis S. A. Junak, B. Collins 1991-4-24 SCI 165 Los Angeles near bottom of Eel Point grade 73 Comment
  RSA413673  Lupinus hirsutissimus M. B. Dunkle 1928-5-13 1936 Los Angeles Wishbone Loop, Santa Catalina Island. 244 Comment
  SBBG131598  Lupinus hirsutissimus S. A. Junak 1999-7-15 SCa 1025 Los Angeles Salta Verde Beach,just E of S-facing bluffs/rock face 6 Comment
  UCR256133  Lupinus hirsutissimus R. G. Swinney 2010-4-20 12302 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  POM199531  Lupinus longifolius I. W. Clokey, Bonnie C. Templeton 1929-05 4560 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  RSA746946  Lupinus longifolius R. G. Swinney 2008-4-30 8715 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA714882  Lupinus microcarpus A. C. Sanders, Mark A. Elvin 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  OBI48530  Lupinus microcarpus var. microcarpus Rhonda Riggins 1981-5-24 1232 Los Angeles Along Peace Valley Rd (frontage to I5) 0.5 mi S Frazier Mtn Park Rd, 2 mi N Gorman Comment
  SEINET10490363  Lupinus peirsonii Long 1977-6-4 LONG s.n. Los Angeles San gabriel mtns. Big rock creek road, 3 mi n of big rock creek campground. Rocky gravel of roadside berm. 1402 Comment
  CHSC911  Lupinus sparsiflorus E. Thomas 1940-4-13 Los Angeles Claremont. 353 Comment
  UCR255838  Lupinus sparsiflorus R. G. Swinney 2010-3-10 11832 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  UCR266384  Lupinus sparsiflorus D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4365 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  RSA414305  Lupinus succulentus Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  UCR205120  Lupinus succulentus R. G. Swinney 2008-4-17 8682 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  SEINET6932736 Image available Lupinus succulentus A. G. Vestal 1947-3-31 s.n. Los Angeles 2 miles southeast of Brea. Comment
  LA52456  Lupinus truncatus W. O. Griesel; 1936-4-26 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  UCD109654  Lupinus truncatus P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Canyon by golf-links, Avalon. Comment
  UCR65235  Lupinus truncatus Reid Moran 1941-3-9 692 Los Angeles Channel Islands, ridge north of Middle Ranch, Santa Catalina Island. 350 Comment
  UCR93306  Lupinus truncatus T. S. Ross, D. L. Banks 1994-4-13 7537 Los Angeles San Gabriel Mtns., Liebre Mountains, lower Clearwater Canyon, c. 1545 m ESE of Plum Spring and c. 770 m west of San Francisquito Powerhouse No. 1 671 Comment
  SD120699  Lycium andersonii Larry Salata, Jan Larson 1985-12-10 Los Angeles San Clemente Island: above old quarry, north side of Nots Pier Road, 0.2 miles northest of main island road 182 Comment
  UC1595441  Lycium andersonii Tim Ross 1992-4-4 6066 Los Angeles 1 mi se Black Butte (middle butte of the three); Mojave Desert, Three Sisters, El Mirage U.S.G.S. 7.5'Quad. 969 Comment
  LA51849  Lycium californicum W. O. Griesel; 1936-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Comment
  SBBG53314  Lycium californicum D. M. Power 1971-11-11 Los Angeles terrace W of Wilson's Cove Comment
  SDSU9101  Lyonothamnus floribundus subsp. asplenifolius R. M. Beauchamp 1967-1-29 164 Los Angeles West of Thirst. San Clement Island. Comment
  SD66848  Lyonothamnus floribundus subsp. aspleniifolius R. Mitchel Beauchamp 1967-6-3 560 Los Angeles Grove of a few trees on south side of canyon south of Thirst, San Clemente Island 487 Comment
  RSA117385  Lyonothamnus floribundus subsp. floribundus Huron H. Smith 1912-7-4 74966 Los Angeles Swain's Canyon, Santa Catalina Island. 366 Comment
  UC1211076  Lyonothamnus floribundus subsp. floribundus Huron H. Smith 1912-7-4 5174 Los Angeles Swain's Canyon Santa Catalina Island 365 Comment
  CATA1575  Lysimachia arvensis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2844 Los Angeles Santa Catalina Island: By upper end of road to Toyon Beach 411 Comment
  UCR107242  Madia elegans subsp. densifolia R. G. Swinney 1994-8-23 3223 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  CAS-BOT-BC344376  Madia exigua Alice Eastwood 1917-7-20 6462 Los Angeles Santa Catalina Island Comment
  SBBG117016  Madia exigua S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1546 Los Angeles Cottonwood Cyn, along Cottonwood-Blackjack Rd, ca. 1.6 mi WSW of Blackjack Pk 304 Comment
  POM362171  Madia gracilis M. B. Dunkle 1931-4-22 2445 Los Angeles Santa Catalina Island, Middle Ranch Canyon. Comment
  UCR193676  Madia gracilis R. G. Swinney, Dave Larson 1999-6-25 7411 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  POM184705  Madia minima Joseph A. Ewan 1932-6-15 7340 Los Angeles 1/2 mile above Horse Flats, Pine Flats Region 1706 Comment
  LA201931  Madia sativa Arthur C. Gibson; 2003-7-14 4418 Los Angeles 298 Comment
  SD86326  Malacothamnus clementinus R. Beauchamp, M. Douglas 1972-3-24 3236 Los Angeles San Clemente Island; on south-facing slope, canyon below Lemon Tank. 299 Comment
  CAS-BOT-BC206236  Malacothamnus fasciculatus Alice Eastwood 1928-6-15 15400 Los Angeles Claremont Comment
  SD107827  Malacothamnus fasciculatus Robert F. Thorne, D. Propst 1974-9-12 45095 Los Angeles Santa Catalina Island, Middle Ranch Canyon, at ranch near Thompson Reservoir 22 Comment
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Oct 15 2014
  SD28094  Malacothamnus fasciculatus Carl B. Wolf 1932-8-11 4005 Los Angeles North slope of San Gabriel Mountains, 8.0 miles below Big Pines Park on road to Little Rock. 1372 Comment
  UCR281821  Malacothamnus fasciculatus var. catalinensis Mitch Provance, Scott Duff 2017-6-29 617- 58 Los Angeles Catalina Island, Middle Canyon, SCE corridor, vicinity of Middle Ranch Rd., ENE of Thompson Dam 188 Comment
  JEPS26408  Malacothamnus marrubioides F. W. Peirson 1921-7-1 774 Los Angeles Arraster Creek, San Gabriel Mts., Los Angeles Co. Comment
  SFV2306  Malacothamnus marrubioides R. L. Armacost 1933-7-4 11 dup. Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  RSA705968  Malacothrix californica John Macdonald 2005-6-28 009 Los Angeles Along Big Pines Highway, ca. 1/2 mile SE of Jackson Lake, ca. 2.5 miles NW of jct. with Angeles Crest Highway 1250 Comment
  RSA757954  Malacothrix californica Michael Honer, Crissy Slaughter, Julie Love 2009-4-29 3286 Los Angeles Antelope Valley: 0.75 mi. N of Highway 138, 1.2 mi. E of 170th Street. 793 Comment
  UC517549  Malacothrix clevelandii John Thomas Howell 1928-5-6 3778 Los Angeles on trail to Madrono Flat; San Gabriel Mts., East Fork of Santa Anita Canyon Comment
  SDSU4753  Malacothrix foliosa R. M. Beauchamp 1967-3-18 266 Los Angeles Along road west of Fleet Composite Squad 3 field; San Clemente Island. Comment
  SBBG66066  Malacothrix glabrata R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UCR139906  Malacothrix saxatilis Scott D. White 1997-5-14 5141 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  UCR220358  Malacothrix saxatilis R. G. Swinney 2009-4-15 10338 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  POM362369  Malacothrix saxatilis var. tenuifolia Tom Burch 1940-4-19 s.n. Los Angeles Malabu [Malibu] Coast. Comment
  POM362374  Malacothrix saxatilis var. tenuifolia Howard Mullins 1931-04 s.n. 15 Los Angeles Griffith Park. Comment
  RSA6053  Malacothrix saxatilis var. tenuifolia C. B. Wolf 1932-10-3 4210 Los Angeles Santa Catalina Island. About 1 1/4 mile from Wrigley Drive on road to Renton Mine (head of right fork of Pebbly Beach canyon) 305 Comment
  LA82201  Malosma laurina O. H. Kappler; 1940-7-21 71 Los Angeles SANTA MONICA MOUNTAINS, W-fork Las Trancas (Rattlesnake) Canyon, away from beach. 365 Comment
  RSA657354  Malosma laurina J. Keeling 1980-5-26 17 Los Angeles Verdugo Mountains; South end of dam. Beginning of Childs Canyon, 500 yards east of Allen Street. Glendale. 335 Comment
  UC191382  Malosma laurina S. B. and W. F. Parish June, 1887 1928 Los Angeles San Fernando Comment
  UCR218008  Malvella leprosa A. C. Sanders, Dan S. Cooper 2010-8-5 38582 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA433878  Malvella leprosa Edwin Kline 1924-5-20 s.n. Los Angeles Los Angeles. Comment
  SD51876  Malvella leprosa Pater H. Raven 1962-7-10 17956 Los Angeles San Clemente Island, North of a point due west of Wall 2 Comment
  CATA495  Marah macrocarpa Sara L. Crockett 1997-4-1 637 Los Angeles Santa Catalina Island: Offshoot canyon from Middle Canyon, 0.2 mile SW on Middle Canyon Road from pumphouse; SE side of road 315 Comment
  HSC84056  Marah macrocarpa David Charlton 1987-1-31 631 Los Angeles Saddle Peak, Santa Monica Mtns. Steep E-facing hillside beside road 610 Comment
  RSA0080387  Marah macrocarpa R. G. Swinney 2010-5-7 12589 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  UCR217410  Marah macrocarpa R. G. Swinney 2009-2-26 10043 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  RSA213374  Marah macrocarpa Reid V. Moran 1947-2-16 573 Los Angeles Middle Ranch, San Clemente Island. Comment
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May 16 2008
  SFV6181  Marrubium vulgare R. M. Muran 1974-2-14 14 Los Angeles Santa Monica Mountains Zuma Canyon. 457 Comment
  SBBG56311  Marsilea vestita R. Hoffmann 1929-4-28 Los Angeles Harold, near Palmdale Comment
  RSA598580  Matricaria matricarioides L. C. Wheeler 1967-5-24 9712 Los Angeles San Gabriel Mountains. Indian Canyon Campground 822 Comment
  CAS-BOT-BC422754  Meconella denticulata Geo. B. Grant 1898-3-4 5390 Los Angeles San Gab Can [Gabriel Canyon] Comment
  RSA445538  Meconella denticulata Elbert Benjamine 1929-5-26 192 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  UC72701  Meconella denticulata Geo. B. Grant May 1901 1009 Los Angeles Eagle Rock Valley Comment
  POM348014  Medicago lupulina Anstruther Davidson 1917-05 3187 Los Angeles Los Angeles. Comment
  OBI30169  Medicago polymorpha T. Pringle 1966-3-16 63 Los Angeles At La Alba and Cardesa Dr on a vacant lot. Whittier Comment
  RSA0042232  Medicago polymorpha Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2855 Los Angeles Santa Catalina Island: By road to Toyon Beach. 314 Comment
  UC1211007  Medicago polymorpha Huron H. Smith 1912-5-1 4884 Los Angeles Eagle Rock Valley 152 Comment
  RSA67033  Medicago polymorpha var. brevispina G. C. Fleischman 1951-06 s.n. Los Angeles Common street, parkway, Pasadena Comment
  UCR108351  Medicago sativa L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Mine Gulch Camp, East Fork San Gabriel River 1372 Comment
  UCR86820  Melaleuca armillaris Scott D. White 1995-4-27 2942 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  CAS-BOT-BC281500  Melica imperfecta Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  LA103569  Melica imperfecta Barry A. Prigge; 1986-3-29 7157 Los Angeles San Gabriel Mountains, E of Red Rover Mine Road X Antelope Valley Freeway on Escondito Canyon Road 914 Comment
  POM296908A  Melica imperfecta Lyman Benson 1945-5-11 11705 Los Angeles Canyon below Johnson's Pasture, Claremont, 549 Comment
  RSA517125  Melica imperfecta Timothy S. Ross 1990-5-14 2502 Los Angeles SAN GABRIEL MOUNTAINS: Yerba Buenda Ridge, Angeles National Forest, Tujunga Ranger District. 1143 Comment
  CAS-BOT-BC281096  Melica stricta Le Roy Abrams; E. A. McGregor 1908-6-19 338 Los Angeles Oakgrove Canyon, Liebre Mts 1219 Comment
  RSA507550  Melica stricta var. albicaulis L. C. Wheeler 1967-8-25 10518 Los Angeles Angeles National Forest: Confluence of Reed Spring branch and South Fork Big Rock Creek. 1768 Comment
  CHSC952  Melilotus albus E. Thomas 1940-1-27 Los Angeles Hills south of Pomona. 274 Comment
  UCR125954  Melilotus albus A. C. Sanders, Mark Elvin 2002-6-19 25146 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR223796  Melilotus albus R. G. Swinney 2009-8-25 11475 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
  RSA672301  Melilotus indicus Joseph M. Keefe 2001-1-19 30915 Los Angeles Roadside along Sholl Canyon Road, 3 meters north of beginning of the Eagle Rock Park Path, 200 meters north of Figueroa Street, Eagle Rock. 280 Comment
  SDSU5070  Melilotus indicus Gerald Collier 1951-4-2 3684 Los Angeles Parking lot just north of new art building, UCLA Campus. 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
  UCR190861  Mentzelia R. G. Swinney 1999-7-5 7534 Los Angeles San Gabriel Mtns., upper Cedar Canyon, c. 0.5 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1915 Comment
  UCR193440  Mentzelia R. G. Swinney 1999-6-5 7254 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR259545  Mentzelia laevicaulis R. G. Swinney 2010-9-7 13696 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  CATA1657  Mentzelia micrantha Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2944 Los Angeles Santa Catalina Island: Lyon's Head Point, west side of Fourth of July Cove 30 Comment
  LA20043  Mentzelia micrantha Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA82380  Mentzelia micrantha O. H. Kappler; 1944-4-30 598 Los Angeles Santa Monica Mountains, Latigo Canyon 121 Comment
  RSA0080069  Mentzelia micrantha R. G. Swinney 2010-6-4 13039 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR258575  Mentzelia micrantha R. G. Swinney 2010-4-23 12369 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA596269  Mentzelia micrantha R. G. Swinney 1989-5-10 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, N of the road, 0.6 mi. E of Glendora Mtn. Rd.; 20 Yards north of road. 412 Comment
  SBBG119334  Mentzelia montana S. C. White with K. Hughes 2000-5-17 7883 Los Angeles Soledad Cyn, cyn bottom and adjacent steep N-facing slope 579 Comment
  UCR213259  Mesembryanthemum crystallinum A. C. Sanders 2010-5-7 38331 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 3 Comment
  UCSB46624  Micranthes californica Welton, Patti 1983-3-28 Los Angeles 2.2 miles north of Malibu Canyon Road on southwest side of Mulholland Hwy 487 Comment
  RSA188053  Microseris douglasii subsp. platycarpha R. F. Thorne 1966-4-4 35778 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove 30 Comment
  SBBG17877  Microseris douglasii subsp. platycarpha P. H. Raven 1962-4-20 17199 Los Angeles summit of Thirst 579 Comment
  CAS-BOT-BC349096  Microseris douglasii subsp. tenella Kenton L. Chambers 1954-4-26 498 Los Angeles Ventura Blvd. (Hwy. 101), Russell Valley, ca. 3 mi. e. of Thousand Oaks Comment
  POM6705  Microseris lindleyi L. T. Street, G. Williams 1919-4-5 2427 Los Angeles Puddingstone Canyon, San Dimas Comment
  RSA507992  Microseris lindleyi Steve Boyd, Timothy S. Ross 1988-4-28 2247 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA590338  Microseris lindleyi Timothy S. Ross 1993-4-21 6855 Los Angeles Santa Catalina Island, SW part of the Island in the vicinity of Cactus Peak (1560ft), slope and small ridges N of Cactus Peak summit 427 Comment
  UCR125415  Microseris lindleyi A. C. Sanders, Mark Elvin 2003-3-5 25737 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR259588  Microseris lindleyi R. G. Swinney 2010-4-15 12227 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  POM31  Mimulus aurantiacus C. F. Baker 1909-5-23 5354 Los Angeles San Antonio Canyon. Claremont. Comment
  RSA172333  Mimulus aurantiacus Robert F. Thorne, James Henrickson 1963-5-5 32281 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  JEPS87272  Mimulus aurantiacus var. pubescens David M. Thompson 1992-6-14 1128 Los Angeles 2.0 mi e Pacifico Mt. turnoff (along dirt road that connects Hwy 2 with Angeles Forest Hwy (Hwy N3)) 1740 Comment
  RSA442640  Mimulus aurantiacus var. pubescens N. C. Cooper 1945-5-1 2242 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA442656  Mimulus aurantiacus var. pubescens Bonnie C. Templeton 1930-5-27 1417 Los Angeles Higgins Canyon, north of Beverly Hillls. 200 Comment
  RSA746950  Mimulus bigelovii R. G. Swinney 2008-5-2 8723 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  LA51875  Mimulus brevipes A. M. Johnson; 1934-5-4 4450 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA580094B  Mimulus cardinalis Tim S. Ross, S. D. Boyd, Steve Burns 1994-7-6 8117 B Los Angeles Tributary of Clearwater Canyon: fork area of major blueline tributary which drains southward form Tule Ridge and joins Clearwater Canyon at Plum Spring. (section not demarcated on my map). 814 Comment
  SFV20866  Mimulus cardinalis L. Gross, N. Fraga, S. Williams 2002-7-17 556 Los Angeles Verdugo Mountains North side, La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 425 Comment
  UCR117557  Mimulus cardinalis A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23276 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  RSA596132  Mimulus floribundus Tim S. Ross, S. D. Boyd 1995-6-28 8632 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA616377  Mimulus floribundus Scott D. White, Pam De Vries 1998-5-15 6492 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 579 Comment
  RSA629682  Mimulus floribundus Scott D. White, Dave Bramlet 1998-8-11 7043 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  UCR259658  Mimulus floribundus R. G. Swinney 2010-9-7 13723 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  RSA527673  Mimulus floribundus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4291 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UCR123815  Mimulus fremontii Steven R. Hill, K. Kramer 2001-4-22 33386 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
  RSA408124  Mimulus fremontii var. fremontii Richard C. Barkelew 1929-5-5 s.n. Los Angeles Tujunga Canon Comment
  UCR16005  Mimulus fremontii var. fremontii Steve Stadler 1966-4-17 41766- 64 Los Angeles E side of San Gabriel Mtns., 0.5 mi. north of Mile High on road [N4] that connects Mile High with the Palmdale - Cajon Junction Road [Hwy 138] 1463 Comment
  UCR194844  Mimulus guttatus R. G. Swinney, Dave Larson 1999-6-25 7398 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA442762  Mimulus guttatus H. de Forest 1931-4-9 s.n. Los Angeles Crystal Lake. Comment
  RSA536088  Mimulus guttatus Tim S. Ross 1991-5-21 5411 Los Angeles San Clemente Island: upper easterly branch of Box Canyon 463 Comment
  SEINET8216183  Mimulus guttatus G. R. Campbell 1948-5-13 585 Los Angeles San Dimas Canyon, just below fire station. Comment
  RSA228848  Mimulus johnstonii Robert F. Thorne 1971-6-26 39997 Los Angeles San Gabriel Mountains, Angeles National Forest: along Mt. Wilson Road near junction with Mt. Lowe Road, NE slope of Mt. Markham 1616 Comment
  RSA628638  Mimulus moschatus Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: South fork Big Rock Creek, at Angeles Crest Highway. 2309 Comment
  SBBG125059  Mimulus palmeri A. Parikh, N. Gale 2010-6-18 3341 Los Angeles Upper Big Tujunga Cyn, 0.9 km N of St Hwy 2 (SH2, Angeles Crest Hwy), 0.3 km W of Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  RSA760587  Mimulus parishii R. G. Swinney 2008-9-9 9439 Los Angeles Big Rock Wash, 0.3 mi. north of junction of with Pallett Creek Rd. and Valyermo Rd. 1070 Comment
  UCR204852  Mimulus pilosus R. G. Swinney 2005-8-9 8415 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA0127380  Mimulus pilosus Louis C. Wheeler 1967-7-15 10049 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  RSA643146  Minuartia nuttallii subsp. gracilis Orlando Mistretta 1993-6-24 888 Los Angeles San Gabriel Mountains: Devils Backbone Ridge. 2453 Comment
  RSA65593  Minuartia nuttallii subsp. gracilis F. W. Peirson 1921-6-17 2437 Los Angeles Divide between Little Rock Creek and Bear Creek, north side of San Gabriel Mountains 2073 Comment
  CAS-BOT-BC434629  Mirabilis laevis var. crassifolia Alice Eastwood 1917-7-20 6443 Los Angeles Santa Catalina Island Comment
  RSA271440  Mirabilis laevis var. crassifolia C. W. Tilforth 1978-6-8 1595 Los Angeles Base of bluffs at Point Dume, west of Malibu Comment
  RSA0027978  Mirabilis laevis var. crassifolia Orlando Mistretta, Christine Mistretta 2008-4-30 2572 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
  CAS-BOT-BC434811  Mirabilis laevis var. retrorsa Geo. B. Grant No date on label 4402 Los Angeles Palmdale, Mojave Desert Comment
  POM19065  Mirabilis laevis var. villosa P. A. Munz 1923-5-26 6823 Los Angeles Big Rock Creek. 1280 Comment
  UCR281407  Mirabilis laevis var. villosa R. G. Swinney 2014-4-30 16298 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
  RSA587972  Mirabilis multiflora var. pubescens Anstruther Davidson 1892-09 s.n. Los Angeles Elizabeth Lake. Comment
  UC56837  Monardella breweri subsp. lanceolata Ernest Braunton 1902-6-4 395 Los Angeles L. A. River Comment
  UCR179892  Monardella cinerea R. G. Swinney 1995-8-28 4476 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  LA62776  Monardella exilis Carl Epling; 1937-6-16 sn Los Angeles 2.2 mi. E of Highway on Ave. I, Lancaster Comment
  SD239800  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin, Adam Clause 2008-5-30 5972 Los Angeles Transverse Ranges: Santa Monica Mountains: Santa Ynez Canyon, ca. 300 m N of Verde De La Montura Road Comment
  RSA608036  Monardella lanceolata Louis C. Wheeler 1947-7-11 6545 Los Angeles San Gabriel Mountains: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco. 442 Comment
  CAS-BOT-BC220437  Monardella saxicola Louis C. Wheeler 1933-8-14 2081 Los Angeles San Dimas Canyon, San Gabriel Mts. 640 Comment
  RSA92633  Monolopia lanceolata F. W. Peirson 1903-3-28 1377 Los Angeles Benedict's Canyon, Santa Monica Mountains. Comment
  UCR159914  Muhlenbergia californica Orlando Mistretta, R. T. Hawke 1995-11-8 1951 b Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains Comment
  CAS-BOT-BC275325  Muhlenbergia microsperma Le Roy Abrams 1901-4-1 1383 Los Angeles Monte Vista Comment
  LA9664  Muhlenbergia microsperma Carl Epling; 1926-2-21 8739 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SACT001598  Muhlenbergia microsperma Louis Wheeler 1932-3-12 Los Angeles Santa Monica Mountains 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
  UC119707 Image available Muilla serotina Dr. A. Davidson 1890-1 2052 Los Angeles near Los Angeles; ; near Los Angeles Comment
  UCR205836  Nama californica R. G. Swinney 2008-5-8 8787 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
  RSA584629  Nassella cernua Timothy S. Ross, Janet Takara, Stacey Otte 1993-4-24 6950 Los Angeles Santa Catalina Island: W end of island beyond isthmus, on main east-west ridgetop, ca 615 meters E of Granite Triangulation Point and 620 meters WNW of Oak Triangulation Point. 488 Comment
  SBBG77211  Nassella cernua F. R. Fosberg 1931-3-19 4308 Los Angeles Hamilton Cyn near Avalon 10 Comment
  RSA654022  Nassella lepida Valerie L. Soza, Laura Moore 2000-5-10 840 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. 579 Comment
  SBBG31281  Nassella lepida R. F. Thorne 1966-4-5 35875 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SEINET263609  Nassella lepida R. L. Lingenfelter 1954-5-11 887 Los Angeles Soledad Canyon Road near Tick Canyon Comment
  RSA151517  Nassella pulchra P. H. Raven 1962-4-9 17172 Los Angeles near barracks, Wilson Cove, San Clemente Island 61 Comment
  SEINET4056823  Nassella pulchra R. Moran 1941-1 570 Los Angeles West end of ravine, Middle Ranch, San Clemente Island. 500 Comment
  UC52510  Navarretia atractyloides Ernest Braunton 1902-6-13 477 Los Angeles n side Griffith Park Comment
  UCR177760  Navarretia hamata subsp. hamata LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1074 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  CATA1100  Navarretia hamata subsp. leptantha Mark L. Hoefs 1995-5-23 2054 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  RSA611849  Nemacladus ramosissimus Steve Boyd, Valerie Soza 1998-4-28 10163 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon, top of ridge on south side of the canyon. 634 Comment
  SEINET10939176  Nemacladus ramosissimus Philip A. Munz 1925-5-23 Munz 9435 Los Angeles Burn in San Gabriel Canyon 488 Comment
  UCR252886  Nemacladus secundiflorus R. G. Swinney 2010-5-11 12656 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
  JEPS7677  Nemacladus sigmoideus Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4187 Los Angeles junction of road to Horse Flat Public Camp and main paved road from Upper Chilao Recreation Area; San Gabriel Mountains, Angeles National Forest 1828 Comment
  SBBG69601  Nemacladus sigmoideus R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA713252  Nemacladus sigmoideus LeRoy Gross 2005-5-3 s.n. Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  SEINET5791646 Image available Nemophila menziesii Marcus E. Jones 1882-1 3037 Los Angeles Pasadena, California Comment
  RSA421307  Nemophila menziesii Geo. L. Moxley 1917-4-1 728 Los Angeles Upper Aliso Canyon, Santa Susana Mts. Comment
  SD113484  Nemophila menziesii var. integrifolia Darley F. Howe 34 Los Angeles Claremont Comment
  UCR172464  Nemophila parviflora var. quercifolia Anuja Parikh, Nathan Gale 2005-4-13 2101 Los Angeles NE end of Santa Susana Mtns., Long Canyon, Newhall Ranch, Study Area 31 335 Comment
  RSA199039  Nemophila pedunculata W. M. Gauntt 1966-4-16 146 Los Angeles Glendora Mt. Road, 1/2 mi past fork to Mt. Baldy. 915 Comment
  UCR150891  Nemophila pedunculata Valerie Soza, L. Moore 1999-6-30 581 Los Angeles Transverse Ranges; San Gabriel Mtns, Upper Winter Creek Trail 854 Comment
  UCR266152  Nephrolepis cordifolia R. E. Riefner Jr. 2014-7-27 14- 261 Los Angeles South Coast, city of Long Beach, north of East 2nd Street and west of Marine Stadium Park, Alamitos Bay, along docks on Bay Shore Avenue between Monroe Avenue and East Vista Street 6 Comment
  RSA578652  Nicolletia occidentalis Timothy S. Ross, J. Mark Porter 1994-5-1 7613 a 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
  RSA577280  Nicotiana attenuata Orlando Mistretta 1994-7-20 1440 Los Angeles San Gabriel Mountains: Big Rock Creek, South Fork Campground. 1402 Comment
  CAS-BOT-BC231571  Nicotiana glauca Henry J. Thompson 1958-10-22 1809 Los Angeles Santa Monica Mountains. North slope of Mount Hollywood, Griffith Park 381 Comment
  CDA33960  Nicotiana glauca M. O'Brien 2006-10-1 MOB 06 -1 Los Angeles San Gabriel Mountains; San Gabriel River, Angeles National Forest. 7 miles above the dam. Comment
  LA94877  Nicotiana glauca K. Larson; J. Neel 1950-4-2 32 Los Angeles SANTA MONICA MOUNTAINS, Mulhollanbd Dr 5 mi west of intersection with Beverly Glen. Comment
  RSA617157  Nothoscordum borbonicum Scott D. White 1996-4-13 3929 Los Angeles Geneva Avenue: N of San Jose, S of Arrow Highway, W of Indian Hill, E of Towne. 323 Comment
  RSA550283  Oenothera californica Walter Wisura, G. Perez 1992-5-19 4779 Los Angeles W-Mojave: Fort Tejon Rd. 2.9 mi SE of Largo Vista. Comment
  RSA578597  Oenothera californica subsp. californica Tim S. Ross, Steve D. Boyd 1994-5-4 7616 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
  RSA600519  Oenothera californica subsp. californica Louis C. Wheeler 1956-9-14 7232 Los Angeles San Gabriel Mountains: Prairie Fork. Comment
  RSA532835  Oenothera elata subsp. hirsutissima Tim S. Ross 1991-8-14 5792 Los Angeles Pacifico Mtn rd, 3200 ft NW of Alder saddle. 1768 Comment
  UCR23469  Oenothera rosea Alfred R. Roos 1958-6-17 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  UC39369  Oenothera sinuosa F. W. Peirson 1920-6-13 2160 Los Angeles Pasadena Comment
  CATA3444  Oligomeris linifolia Benjamin J. Dion, Tobias Nickel 2017-5-11 026 Los Angeles Santa Catalina Island: Pacific Side; edge of cliff in Cactus Bay watershed 331 Comment
  UCR223808  Opuntia basilaris var. brachyclada R. G. Swinney 2009-6-17 11164 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  RSA741143  Oreonana vestita Naomi Fraga, Duncan Bell 2008-6-30 2297 Los Angeles Summit of Mount Baden-Powell 2835 Comment
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Sep 17 2018
  RSA0087373  Orobanche bulbosa Carl B. Wolf 1932-10-5 4232 Los Angeles Santa Catalina Isl. So. side of Black Jack Peak. (below the buildings used to house workers.) 304 Comment
  RSA0104814  Orobanche bulbosa Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  RSA646961  Orobanche californica subsp. feudgei Orlando Mistretta 1992-9-9 801 Los Angeles San Gabriel Mountains: North side of Mt. Gleason Road. Little Gleason Management Unit; Tujunga Ranger District. Comment
  UCR258810  Orobanche fasciculata R. G. Swinney 2010-5-25 12984 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA0066443  Orobanche fasciculata Anonymous 1940-2-26 609 Los Angeles Trail above flumes 2 and 3, San Dimas Experimental Forest. Angeles Forest, San Gabriel Mountains. Comment
  PASA147  Orthocarpus densiflorus Margaret Stason 1931-4-5 Los Angeles Wash near Asuza Comment
  RSA402054A  Orthocarpus purpurascens Reid V. Moran 1941-2-28 657 Los Angeles Santa Catalina Island, Johnson's Valley 100 Comment
  RSA0091104  Osmorhiza berteroi R. G. Swinney 2011-8-17 15644 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  POM295595  Osmorhiza brachypoda Lyman Benson 1945-3-30 11650 Los Angeles Canyon at Padua Hills above Claremont. 549 Comment
  RSA592396  Oxalis albicans subsp. californica Mark Hoefs 1974-5-1 441 Los Angeles Santa Catalina Island: NW side of Renton Mine Road. 137 Comment
  POM353412  Oxalis corniculata M. B. Dunkle 1933-4-14 3295 Los Angeles Long Beach. Comment
  UCR271305  Oxytheca parishii var. parishii R. G. Swinney 2011-9-27 15702 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  RSA94705  Packera ionophylla F. W. Peirson 1922-7-6 3195 Los Angeles Big Pines region west of Swartout Valley Comment
  CAS-BOT-BC121165  Paeonia californica Arthur Rice Kruckeberg 1939-2-11 s.n. Los Angeles South Pasadena Comment
  RSA434254  Paeonia californica E. Crow 1929-2-10 151 Los Angeles Glendora Foothills Comment
  UC9344  Paeonia californica G. Survey 1861-2-14 188 Los Angeles Sierra Sta. Monica Comment
  SD167330  Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley: Newhall Ranch, near mouth of Potrero Canyon. 259 Comment
  UCR86543  Parapholis incurva T. S. Ross 1992-4-14 6183 Los Angeles San Clemente Island, Lemon Tank Road, c. 25 m ESE of its intersection with the main N-S island road. 341 Comment
  RSA225747  Parietaria hespera var. hespera Robert F. Thorne, Arthur C. Gibson 1971-5-22 39715 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA448012  Parietaria hespera var. hespera Martha Hilend 1928-4-18 193 Los Angeles Griffith Park. Comment
  CAS-BOT-BC173258  Parietaria judaica R. E. Riefner, Jr. 2006-1-12 06 -13 Los Angeles South Coast: San Pedro, Point Fermin 13 Comment
  POM364352  Paspalum distichum Geo. L. Moxley 1915-9-2 442 Los Angeles Ave. 54th between Abbott and Ash streets Comment
  RSA653048  Passiflora caerulea Chet McGaugh 1999-12-20 s.n. Los Angeles Puente Hills: La Mirada Creek, just below Hacienda Country Club on east road in golf course, La Habra Heights. 171 Comment
  UCR177143  Pectocarya anisocarpa L. C. Wheeler 1967-5-2 9351 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  SBBG53196  Pectocarya linearis subsp. ferocula R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -218 Los Angeles lower-middle Bullrush Cyn, Salta Verde Comment
  UCSB71638  Pectocarya linearis subsp. ferocula Gross, LeRoy 2003-3-7 Los Angeles Transverse Ranges; Verdugo Mountains Region; northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway; enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland; (Burbank 7.5 Quad.; T2N R14W S23, NE1/4) 555 Comment
  RSA0117525  Pectocarya penicillata A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37973 Los Angeles Tehachapi Mountains: Crane Canyon, 1.0 mi. SE (144 deg ) of Castac Lake, 1.7 mi. NE (43 deg ) of Gorman, just S of Kern Co. line. 1141 Comment
  RSA755633  Pedicularis semibarbata R. G. Swinney 2008-7-15 9207 Los Angeles Winston Peak. 2275 Comment
  UCR272954  Pedicularis semibarbata R. G. Swinney 2011-7-29 15574 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  CLARK-A1528-3090  Pellaea andromedifolia J. A. Harpel 1981-3-7 Los Angeles San Gabriel Mountains 609 Comment
  UC812330  Pellaea andromedifolia F. R. Fosberg 1931-4-1 R 83 Los Angeles near Avalon (Hamilton Canyon); Santa Catalina Isl 60 Comment
  RSA686745  Pellaea andromedifolia May N. Ackley 1923-1 73 Los Angeles Monrovia Comment
  RSA610786  Pellaea mucronata var. mucronata L. C. Wheeler 1933-2-23 1483 Los Angeles Vasquez Rocks, Soledad Canyon drainage 838 Comment
  CDA41885  Penstemon centranthifolius T. C. Fuller 1980-6-12 20276 Los Angeles San Gabriel Mountains; Angeles Crest Highway, Hwy 2, 3.5 km east of road to Mt. Wilson. Comment
  RSA586978  Penstemon centranthifolius Orlando Mistretta 1992-5-8 319 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  SD234196  Penstemon centranthifolius Virginia Pinkus Ryder 1964-6-20 234 Los Angeles Switzer's Camp. W. slope. 1067 Comment
  RSA0057886  Penstemon grinnellii Richard G. Swinney 2010-9-7 13698 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA624468  Penstemon grinnellii subsp. grinnellii Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  POM122668  Penstemon heterophyllus Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UC1012127  Penstemon heterophyllus var. australis Francis W. Pennell 1940-4-18 25139 Los Angeles Route 99 Mt. slope e Frenchman's Flat; e of Frenchman's Flat 731 Comment
  UC887101  Penstemon labrosus Victor Duran 1933-7-19 Los Angeles Buckhorn San Gabriel Mts., Buckhorn 1981 Comment
  POM156319  Penstemon spectabilis subsp. subviscosus L. R. Abrams 1902-7-3 2618 Los Angeles San Gabriel Mountains Comment
  NY661191  Penstemon spectabilis var. spectabilis A. M. Ottley 1920-5-8 633 Los Angeles San Rafael Hills Comment
  JEPS11603  Penstemon spectabilis var. subviscosus Frank W. Peirson 1924-6-16 Los Angeles foothills near Pasadena; San Gabriel Mountains, foothills near Pasadena Comment
  SD113670  Penstemon spectabilis var. subviscosus Darley F. Howe 1915-6-3 69 Los Angeles Claremont Comment
  RSA0062915  Pentagramma triangularis Lyman Benson 1945-1-20 11591 Los Angeles Upper end of upper reservoir, San Gabriel River Canyon. San Gabriel Mountains, Pacific Slope drainage. 427 Comment
  LA94199  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1709 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, upper Las Flores Creek Rd. 304 Comment
  UCSB62253  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-6-12 Los Angeles San Gabriel Mtns., e. of Falling Springs Resort, Rockbound Cyn. ca. 1/2 mi. above hwy. 39 1280 Comment
  UCSB30919  Pentagramma triangularis subsp. viscosa Parker, V. 1974-3-27 Los Angeles On ocean exposed NE slope 600 ft. above ocean; Fisherman's Cove, Santa Catalina Island 182 Comment
  UCR203251  Perideridia gairdneri R. G. Swinney 2001-8-27 8121 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  RSA0013168  Perideridia pringlei Orlando Mistretta, Christine Mistretta 2011-6-6 5678 Los Angeles Vicinity of Palmdale. Approx. 100 meters SE of intersection of Elizabeth Lake Rd and Southern California Edison transmission line corridor, 2.32 miles E of Jct of Elizabeth Lake Rd. and Godde Hill Rd. 903 Comment
  RSA545194  Perityle emoryi Timothy S. Ross 1992-4-14 6173 Los Angeles San Clemente Island: Central E side of Island, coastal bluff on E escarpment 20m S of where manny Canyon drainage meets the sea 18 Comment
  SBBG80319  Perityle emoryi F. C. Boutin 1967-4-23 1621 Los Angeles NE of runway of main airstrip Comment
  UCR162503  Petalonyx thurberi subsp. thurberi Anuja Parikh, Nathan Gale 2004-9-10 2096 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UCR210125  Phacelia R. G. Swinney 2008-7-24 9352 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCSB32678  Phacelia affinis Faraday, Christopher 1978-5-18 Los Angeles Frontage Road 1 mile north of Hungry Valley Road offramp of Highway 5 914 Comment
  SFV3016  Phacelia cicutaria C. Gasser 1956-5-6 s. n. Los Angeles Santa Monica Mountains Beverly Glen Blvd. near Deevale Drive. Comment
  CLARK-A1528-2997  Phacelia cicutaria subsp. hispida John C. Roos 1947-5-4 3603 Los Angeles Pomona Comment
  RSA647800  Phacelia cicutaria var. hispida LeRoy Gross, Laura Moore 2000-6-5 211 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  RSA658859  Phacelia cicutaria var. hispida J. C. Roos 1947-5-17 3627 Los Angeles Placerita Canyon east of Newhall. Comment
  RSA700296  Phacelia cicutaria var. hispida J. Bogdanoff-Lord 1989-5-5 5 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  UCR209285  Phacelia cicutaria var. hispida Dan S. Cooper 2009-5-30 509- 08 Los Angeles Eastern Santa Monica Mtns., debris basin along Forest Lawn Dr., west of the cemetery 169 Comment
  UCR271983  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-31 14897 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
  RSA0076964  Phacelia cryptantha R. G. Swinney 2010-5-19 12828 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 dues west, of Mt. Emma Rd. 1335 Comment
  RSA660086  Phacelia davidsonii Orlando Mistretta 1992-5-25 431 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  RSA0088262  Phacelia distans R. G. Swinney 2010-3-14 11895 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  RSA545316  Phacelia distans Tim S. Ross 1992-5-17 6346 Los Angeles San Gabriel Mountains; near elbow of the E fork of the San Gabriel River. 260m W of the mouth of Cattle Canyon 576 Comment
  UCR124751  Phacelia distans B. C. Templeton, I. W. Clokey 1930-4-2 1409 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  UCR222732  Phacelia distans R. G. Swinney 2009-5-12 10735 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA511317  Phacelia distans L. F. LaPre 1988-5-13 s.n. Los Angeles Lake Hughes, 16 miles (airline) W of Lancaster in the San Andreas Rift. 1037 Comment
  RSA615711  Phacelia distans Louis C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravennna. 716 Comment
  SBBG131804  Phacelia distans S. A. Junak, B. Collins 1991-4-24 SCI 191 Los Angeles dune area, just N of Eel Cove Cyn, in swale behind dunes 36 Comment
  UC56217  Phacelia distans H. M. Hall Apr. 1903 3781 Los Angeles Playa del Rey, near Los Angeles Comment
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Apr 25 2016
  RSA0039199  Phacelia douglasii Alton Clare 1929-4-10 s.n. Los Angeles Verdugo Hills near Glendale. Comment
  POM3794  Phacelia egena I. M. Johnston 1918-7-6 2092 Los Angeles Prairie Fork of San Gabriel River. 2058 Comment
  RSA74926  Phacelia egena F. W. Peirson 1927-5-21 7298 Los Angeles Rock Creek, north base of San Gabriel Mountains. 1524 Comment
  JEPS2056  Phacelia fremontii Frank W. Peirson 1919-5-10 400 Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  RSA774276  Phacelia fremontii R. G. Swinney 2009-6-17 11174 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UC604893  Phacelia fremontii Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9477 Los Angeles on Antelope Valley Rd 5 mi w Lancaster Comment
  UCSB33347  Phacelia fremontii Black, Nan 1968-4-6 Los Angeles 100 feet south of Santiago Canyon Road, 0.6 miles north of junction of Old Sierra Highway and Santiago Road, 4 miles northeast of Acton 914 Comment
  LA81961  Phacelia grandiflora O. H. Kappler; 1941-5-19 262 Los Angeles Santa Monica Mountains, Las Flores Canyon, near summit 609 Comment
  UCR12249  Phacelia grandiflora Art Whistler 1966-4-7 660407- 02 Los Angeles Western Transverse Range, near Mulholland Drive [probably near Woodland Hills], San Fernando Valley Comment
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Sep 16 2011
  UCD120451  Phacelia grandiflora Daryl Koutnik 1978-5-10 463 Los Angeles Corral Canyon Road, Santa Monica Mountains. 548 Comment
  UCR189733  Phacelia imbricata R. G. Swinney 1998-7-10 6381 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA228885  Phacelia imbricata subsp. imbricata Robert F. Thorne 1971-6-26 39980 Los Angeles San Gabriel Mountains, Angeles National Forest: along Mt. Wilson Road on N slope of Occidental Peak 1646 Comment
  RSA428002  Phacelia imbricata subsp. imbricata Elbert Benjamine 1929-5-26 193 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  UC450769  Phacelia imbricata subsp. imbricata F. A. MacF. 1931-4-10 2932 Los Angeles Tuna Canyon Verdugo Hills Comment
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Jul 1 2014
  RSA0098611  Phacelia imbricata subsp. patula R. G. Swinney 2011-6-14 15118 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UCR259409  Phacelia imbricata subsp. patula R. G. Swinney 2010-9-9 13739 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA177773  Phacelia lyonii Robert F. Thorne, P. Everett 1965-5-11 34525 Los Angeles Ballast Point, E side of Catalina Harbor, Santa Catalina Island 61 Comment
  SBBG96756  Phacelia lyonii S. Boyd with T. Ross, L. Arnseth 1990-4-7 4282 Los Angeles lower half of China Cyn Comment
  SD72782  Phacelia lyonii F. R. Fosberg 1931-5-4 S 4749 Los Angeles Santa Catalina Island, Middle Ranch Canyon, Below Eagles Nest, by roadside Comment
  UC1228865  Phacelia lyonii Peter H. Raven 1962-5-9 17690 Los Angeles earth-slide in canyon just n Gray; San Clemente Island 304 Comment
  SFV3023  Phacelia minor P. M. Kennamer 1958-4-13 98 Los Angeles Santa Monica Mountains Griffith Park, across from Travel Town. 185 Comment
  JEPS78788  Phacelia mohavensis L. R. Heckard with Michael Morris 1976-6-13 4266 Los Angeles along forest service rd 3N17 at entrance to Hidden Valley Scout Camp (just n of Bandito Campground, 2 mi w of Route 2); San Gabriel Mts. Comment
  RSA709745  Phacelia ramosissima A. C. Sanders, Mark A. Elvin 2003-8-7 27163 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. 282 Comment
  HSC12498  Phacelia ramosissima var. latifolia Wendell Wood 1970-6-22 31 Los Angeles Tujunga Canyon Rd., 3 mi. beyond intersection of Mt. Gleason Ave., Tujunga 457 Comment
  RSA191367  Phacelia ramosissima var. latifolia Robert F. Thorne, M. Z. Thorne 1967-7-19 37126 Los Angeles San Gabriel Mountains, Angeles National Forest; 0.5 mile above Coldbrook Station 1098 Comment
  RSA428279A  Phacelia ramosissima var. latifolia M. B. Dunkle 1933-7-11 3653 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  RSA428214  Phacelia tanacetifolia Robert Gustafson 1978-6-1 938 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1311 Comment
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Apr 20 2008
  CAS-BOT-BC133980  Phacelia tanacetifolia Le Roy Abrams 1901-4-1 1316 Los Angeles Santa Monico Mts. between Cahuenga Pass & Encino Comment
  CATA760  Phalaris aquatica Mark L. Hoefs 1991-5-28 1296 Los Angeles Santa Catalina Island: At Black Jack Campground 490 Comment
  RSA158310  Phalaris minor P. H. Raven 1962-4-11 17302 Los Angeles Northwest end of island between Driggs and West Rock, San Clemente Island 15 Comment
  RSA533906  Phalaris minor Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5136 Los Angeles San Clemente Island: 650 ft. SE of air terminal (New airfield, N end of island). 64 Comment
  UCR88668  Phalaris minor Scott D. White, Chet McGaugh 1995-5-9 2986 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
  UCR208865  Phalaris paradoxa L. C. Wheeler 1933-6-24 1874 Los Angeles San Fernando Valley, Sepulveda Blvd. at Los Angeles River 198 Comment
  SEINET10746303  Philodendron Thomas B. Croat 2003-4-6 Croat 87606 Los Angeles Cultivated Plants. Los Angeles County Arboretum, Rare Plant House. Comment
  UCR127052  Phlox gracilis M. S. Enright 2003-5-24 s.n. Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA435574  Pholisma arenarium Frances L. Cramer 1934-5-18 18840 Los Angeles El Segundo. Comment
  LA38516  Pholistoma auritum var. auritum Carl Epling; 1930-4-10 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  LA38523  Pholistoma auritum var. auritum Carl Epling; 1933-5-13 sn Los Angeles Santa Monica Mountains, Temescal Canyon Comment
  LA91457  Pholistoma auritum var. auritum Bruce Douglas Clayton; Greg Shaw 1972-4-4 57 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus 554 Comment
  UCR239042  Pholistoma membranaceum Anuja Parikh, Nathan Gale 2010-6-2 3255 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 3.7 km west of State Hwy 14, 2.2 km southwest of California Aqueduct 1140 Comment
  RSA536074  Pholistoma racemosum Tim S. Ross 1991-5-21 5413 Los Angeles San Clemente Island: Upper reaches of Box Canyon, SW side of the island. 412 Comment
  UCR102259  Phoradendron densum David Charlton 1989-4-7 2983 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  RSA132802  Phoradendron macrophyllum Del Wiens 1954-1-10 893 Los Angeles Intersection of Alexander and Cucamonga Ave., Claremont. Residential area. 366 Comment
  RSA585825  Phoradendron macrophyllum Tim S. Ross 1990-5-15 2514 Los Angeles Soledad Campground, Tujunga Ranger District, Angeles National Forest, ca 1.5 linear miles E of Agua Dulce Canyon. 622 Comment
  UCR85819  Phoradendron pauciflorum T. S. Ross, Steve Boyd 1991-7-24 5630 Los Angeles San Gabriel Mtns, Ridge NNE of Granite Mountain 1942 Comment
  UC54954  Phyla lanceolata H. P. Chandler 1902-9-9 2034 Los Angeles Ballona Marshes Comment
  RSA423755  Physalis philadelphica E. S. Spalding 1922-11-30 s.n. Los Angeles Near Glendale. Comment
  RSA412028  Pickeringia montana L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest Comment
  RSA601637  Picris echioides L. C. Wheeler 1967-6-26 9871 Los Angeles Elsmere Canyon. 441 Comment
  CATA3263  Pinus canariensis Julia Parish, Ben Dion 2017-1-30 005 Los Angeles Santa Catalina Island: West side of the upper campsite at Black Jack Campground 495 Comment
  RSA384486  Pinus torreyana George R. Johnston 1931-9-1 s.n. Los Angeles No locality specified. Southern California Comment
  CAS-BOT-BC136552  Piperia cooperi Le Roy Abrams 1901-4-1 1525 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  UC1075873  Piptatherum miliaceum E. K. Balls 1956-1-9 10678 Los Angeles along continuation of Bunnelle Avenue 1 mi n Baseline Road (banks of wash); San Dimas Wash 304 Comment
  LA105080  Piptatherum miliaceum Barry A. Prigge; 1988-7-3 8186 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  SD129307  Pittosporum undulatum A. C. Sanders 1987-12-4 7444 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport & Pershing Dr. 29 Comment
  RSA0115706  Plagiobothrys acanthocarpus Andrew C. Sanders 2008-4-10 34797 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
  RSA674694  Plagiobothrys acanthocarpus Scott D. White, S. Leateherman, David E. Bramlet, A. O'Neal, Walter sangkatavat 2001-4-24 8414 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  UCR261850  Plagiobothrys acanthocarpus Tim Thomas 1990-3-29 1356 Los Angeles Transverse Range, Southern Simi Hills, Chesebro Canyon parking lot 305 Comment
  UCR280539  Plagiobothrys arizonicus R. G. Swinney 2014-4-10 16031 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  OBI56221  Plagiobothrys arizonicus Robert Gustafson, Christopher Davidson 1977-4-20 419 Los Angeles Fort Tejon Rd, S of Littlerock about 1.5 mi E of the jctn with 82nd St 975 Comment
  POM259319  Plantago indica J. D. Laudermilk 1938-7-28 s.n. Los Angeles 3 miles N of Claremont. Comment
  JEPS3448  Plantago patagonica Frank W. Peirson 1921-5-20 2410 Los Angeles Little Rock Creek San Gabriel Mountains 960 Comment
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Sep 26 2010
  RSA250511  Platanthera sparsiflora Robert F. Thorne, John Dourley 1967-10-10 37353 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  CAS-BOT-BC93191  Platanus racemosa Hasse; A. Davidson M. D. 1906-6-4 1486 Los Angeles Big Rock Creek. Comment
  JEPS40303  Platanus racemosa Frank W. Peirson 1919-3-27 341 Los Angeles Arroyo Seco Canyon San Gabriel Mountains 411 Comment
  RSA450611  Platanus racemosa A. C. Sanders 1987-12-4 7570 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. 30 Comment
  SEINET4344837 Image available Platanus racemosa Linda Topp 1965-1 8 Los Angeles Claremont; Pomona Collage Wash 335 Comment
  RSA0008147  Platanus racemosa Peter H. Raven, H. J. Thompson 1959-9-6 14366 Los Angeles Borders of salt marsh at mouth of Malibu Creek. 9 Comment
  LA82461  Platystemon californicus O. H. Kappler; 1944-4-9 580 Los Angeles Santa Monica Mountains, Lake Eleanor, Canterbury Ranch 335 Comment
  UC635475  Platystemon californicus Curtis Ferris 1923-3-21 83 Los Angeles Fairmont Comment
  RSA316347  Platystemon californicus Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54969 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  SEINET12102786  Platystemon californicus J. F. Bright, Wyman, C. 1931-1 5283 A Los Angeles Collected in Antelope Valley Comment
  CAS-BOT-BC326712  Pleiacanthus spinosus Frank W. Peirson 1923-8-30 4742 Los Angeles North of Big Pines, San Gabriel Mts. 2225 Comment
  CATA2956  Pluchea odorata Sarah Ratay, Ruth Ratay 2006-9-21 100 Los Angeles Santa Catalina Island: Coffeepot canyon 0 Comment
  SEINET10659361  Poa scabrella Agnes Chase 1910-4-12 Chase 1184 Los Angeles More or less shaded gravel slopes. Comment
  SEINET10659369  Poa scabrella Unknown 1926-4-10 C s.n. Los Angeles Santa Susan na a Pass. Comment
  UCR221909  Poa secunda R. G. Swinney 2009-4-28 10533 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  JEPS85780  Poa secunda subsp. secunda Roy E. Buck 1988-6-16 961 Los Angeles 21 air km nne Castaic (2.5 air km se of Hidden Lake, immediately above confluence of intermittent stream from se, along trail in Shake Canyon just below (n) of Upper ..) 1304 Comment
  VVC3238  Poa secunda subsp. secunda Tim Thomas 1977-5-5 97 Los Angeles Transverse Range, Santa Monica Mountains, Stunt Ranch 381 Comment
  UC284124  Polycarpon depressum P. A. Munz 1923-3-14 6594 Los Angeles 2 mi n Claremont 426 Comment
  UCR274935  Polygala cornuta subsp. fishiae Kai T. Palenscar 2014-6-15 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region, 100 m east of Santa Anita Wash channel, south base of San Gabriel Mts., City of Arcadia 195 Comment
  RSA0092240  Polygonum aviculare R. G. Swinney 2010-9-7 13710 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA611071  Polygonum aviculare subsp. depressum Louis C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: 17th Street at Gaffey Street. Comment
  UCR157681  Polygonum hydropiperoides Scott D. White 1994-7-18 2289 Los Angeles San Gabriel Mtns., San Dimas Canyon; along San Dimas Wash 335 Comment
  UCR206480  Polygonum hydropiperoides R. G. Swinney 2008-5-30 8895 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR208029  Polypodium californicum F. R. Fosberg 1931-3-24 R- 80 Los Angeles Channel Islands, Hamilton's Canyon near Avalon, Santa Catalina Island 80 Comment
  CAS-BOT-BC71891  Polypodium californicum Geo. B. Grant 1902-6-12 s.n. Los Angeles Mt. Wilson Comment
  IRVC3048  Polypodium californicum John Schram 1965-4-23 HS 575 Los Angeles Monrovia; Monrovia Canyon. Southern Coastal Comment
  POM12177  Polypodium californicum M. L. Kendall 1921-2-11 21 Los Angeles Fish Canyon. Comment
  UCSB62370  Polypodium californicum Kiefer, Lawrence 1967-3-26 Los Angeles San Gabriel Mtns., NE of Sunland, W of Big Tujunga Station, unnamed tributary of Big Tujunga Canyon, first stream (N-flowing), E of Stone Canyon, ca. 1/2mi up 792 Comment
  UCSB62442  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCR148054  Polypogon monspeliensis Steve Boyd, Amber Maurice 2004-5-18 11337 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA580870  Polypogon viridis L. C. Wheeler 1931-8-30 34 Los Angeles San Antonio Canyon, San Gabriel Mountains. 945 Comment
  RSA599119  Polypogon viridis V. W. Steinmann 1996-4-7 825 Los Angeles San Gabriel Mountains. Along Mt. Baldy Road, 2.5 kilometers (by road) south of Baldy Village. 1100 Comment
  RSA747774  Polystichum imbricans subsp. curtum Scott D. White, Justin M. Wood 2009-5-6 12658 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UCR108382  Polystichum imbricans subsp. curtum L. C. Wheeler 1946-9-8 6353 Los Angeles San Gabriel Mtns., West fork of San Gabriel River, 0.5 - 0.75 mi west of Bear Creek, S side 534 Comment
  RSA0113229  Populus fremontii R. G. Swinney 2011-3-29 14238 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
  SEINET7079224  Populus fremontii F. Johnson 1959-4-9 s.n. Los Angeles Near Castaic Junction on U.S. 99. Specimen formerly from the College of Forestry Herbarium, University of Idaho Number 5036. 305 Comment
  UC1971407  Populus fremontii subsp. fremontii Louis C. Wheeler 1967-5-15 9604 Los Angeles SAN GABRIEL MOUNTAINS: Elsmere Canyon; bottom of canyon near mouth. Comment
  SEINET8725437 Image available Populus trichocarpa F. R. Fosberg 1931-1 S 4704 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Id. Los Angeles Co. Alt. 180 m. 11 Comment
  UC472160  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Lake Malibu; Santa Monica Mountains 304 Comment
  LA52098  Potentilla glandulosa subsp. glandulosa Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA604300  Potentilla gracilis var. fastigiata Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  SEINET10628876  Prunus domestica Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3885 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  SEINET10957103  Prunus dulcis Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2603 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  CAS-BOT-BC154939  Prunus ilicifolia Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3392 Los Angeles San Gabriel Mountains. Little Rock Creek: Joshua Tree Campground on the SW side of Little Rock Reservoir 1002 Comment
  RSA479511  Prunus ilicifolia subsp. ilicifolia Steve D. Boyd, Thomas S. Elias 1987-4-14 2048 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  RSA660634  Prunus ilicifolia subsp. ilicifolia Matt Bogdanoff 1981-5-25 25 Los Angeles Glendora Mtn. Rd., 5.2 mi N of junction with Sierra Madre Ave., N of Glendora. 671 Comment
  SBBG12780  Prunus ilicifolia subsp. lyonii E. R. Blakley 1962-6-9 5196 Los Angeles cyn W of rd, 2.5 mi N of China Pt 167 Comment
  SD112028  Prunus ilicifolia subsp. lyonii Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles east slope Black Jack Mountain near Airport Road Comment
  SD69041  Prunus ilicifolia subsp. lyonii Robert F. Thorne 1966-9-16 36719 Los Angeles Santa Catalina Island, near terminus of Renton Mine Road, upper end Pebbly Beach Canyon 274 Comment
  RSA454150  Prunus lyonii M. B. Dunkle 1931-3-30 2156 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA709835  Prunus lyonii A. C. Sanders, Lee Jones 2005-4-8 29355 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  RSA573713  Prunus virginiana var. demissa Tim S. Ross 1990-8-17 3133 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  SD107814  Pseudognaphalium biolettii Larry DeBuhr 1977-4-17 2583 Los Angeles Santa Catalina Island; ridge southeast of Shark Harbor. Comment
  RSA126751  Pseudognaphalium biolettii Peter H. Raven 1959-3-13 13856 Los Angeles In small clumps on stabilized dunes, shore, just E of Zuma Beach, Point Dume. 9 Comment
  CHSC3691  Pseudognaphalium californicum Mary Mac Arthur 1966-5-12 17 Los Angeles San Raphael Hills-Glendale College. 213 Comment
  RSA0083080  Pseudognaphalium californicum R. G. Swinney 2010-3-22 12022 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0088251  Pseudognaphalium californicum R. G. Swinney 2010-5-25 12963 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0091521  Pseudognaphalium californicum R. G. Swinney 2010-4-15 12251 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  UC1871019  Pseudognaphalium californicum T. S. Ross, Walter Appleby 1993-5-13 7124 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  UCR281381  Pseudognaphalium californicum R. G. Swinney 2014-5-15 16523 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  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
  SFV14740  Pseudognaphalium microcephalum J. C. Dittes, P. Dittes 1989-10-28 19 Los Angeles San Gabriel River West Fork of San Gabriel River. 0.67 miles up river from highway. South wall of canyon. 671 Comment
  UC729467  Pseudognaphalium stramineum Carl B. Wolf 1932-5-10 3517 Los Angeles above the Last Almond Orchard; Santa Catalina Island, Avalon Canyon 121 Comment
  SD215416  Pseudognaphalium thermale Steve Boyd, Lauren Raz 1996-10-29 9116 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  SEINET5334802  Pseudotsuga macrocarpa G. B. Grant 1050 Los Angeles Mt. Lowe 1524 Comment
  RSA0011725  Pteris vittata Scott D. White, Pam DeVries 6028 Los Angeles San Gabriel River Canyon. N of Azusa. Parallel to Hwy 39. Canyon bottom and adjacent slopes along unnamed dirt access rd to gauging stn. below Morris Dam. 244 Comment
  RSA578813  Pterostegia drymarioides Tim S. Ross, Darin Banks 1994-4-13 7545 Los Angeles Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 916 Comment
  RSA526586  Pterostegia drymarioides Tim S. Ross 1991-3-24 4294 Los Angeles Whittier Hills (Puente Hills, pro parte). 313 Comment
  RSA584497  Pterostegia drymarioides Tim S. Ross, Barbara J. Ertter, Barney Lipscomb, Jayne Uerling 1992-5-24 6397 Los Angeles San Gabriel Canyon: Short east-southeasterly draw on the W side of San Gabriel Reservoir, just N of Robbs Gulch. 470 Comment
  UC1583143  Punica granatum Tim Ross, Steve Boyd 1990-5-14 2460 Los Angeles Little Tujunga Canyon along Little Tujunga Road, Angeles Nat'l Forest, San Gabriel Mts Little Tujunga Canyon; San Gabriel Mts, Angeles Nat'l Forest, Tujunga Ranger Distri 463 Comment
  UCR223617  Purshia glandulosa R. G. Swinney 2009-6-17 11214 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  PASA1189  Purshia tridentata Stason 1931-5-9 Los Angeles Canyon near Willow Springs Comment
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Apr 30 2015
  UC1128517  Purshia tridentata var. glandulosa G. T. Nordstrom 1935-1-24 318 Los Angeles 3 mi ssw Gorman; Tejon Quad. 1036 Comment
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May 8 2009
  UC555698  Purshia tridentata var. glandulosa H. L. Mason 1926-4-27 3024 Los Angeles Rock Creek Comment
  UC673481  Purshia tridentata var. glandulosa Herbert L. Mason 1926-4-27 3024 Los Angeles Rock Creek Comment
  POM13355  Pycnanthemum californicum P. A. Munz 1922-7-17 6069 Los Angeles San Antonio Canyon. Wet meadow on hillside below Camp Baldy 1280 Comment
  UCR137345  Quercus X grandidentata R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Harrow Canyon, south of first debris basin 396 Comment
  UCR198388  Quercus X grandidentata Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 667 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 549 Comment
  CAS-BOT-BC104389  Quercus X macdonaldii Chas. E. Miller 1917-9-1 s.n. Los Angeles Santa Cruz Island Comment
  LA43657  Quercus agrifolia George R Smart; 1952-7-13 66 Los Angeles on Castaic-Lake Hughes Road, 4.7 miles from Castaic, W side of canyon near flowing stream 152 Comment
  UCR277236  Quercus agrifolia R. G. Swinney 2010-10-5 13975 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA656188  Quercus agrifolia var. agrifolia Joseph M. Keefe 1978-5-11 22904 B Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  UCR130507  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2000-8-29 00- 749 Los Angeles San Gabriel Mtns., north of Azusa, Hwy 39, canyons along Morris Reservoir 352 Comment
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Jan 5 2020
  CHSC99435  Quercus berberidifolia LeRoy Gross 2000-11-12 326 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. Near road. 411 Comment
  UCR191291  Quercus berberidifolia T. B. Salvato 2008-4-22 3306 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  JEPS97690  Quercus chrysolepis Annetta M. Carter, Arthur Carter 1935-9-12 976 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  OBI37771  Quercus chrysolepis David J. Keil 1980-3-27 13730 Los Angeles 1 mi E of Ridge rte on Pine Canyon rd (L.A. county rd N-2) 1189 Comment
  RSA475269  Quercus chrysolepis Mark Hoefs 1974-10-3 594 Los Angeles Upper Fern Canyon-ridge between Mt. Orizaba & Mt. Banning [Santa Catalina Island] 549 Comment
  UCD45552  Quercus chrysolepis Ernest Braunton 1928-8-5 6383 Los Angeles San Gabriel Canon. Comment
  RSA0105212  Quercus durata var. gabrielensis R. G. Swinney 2011-10-27 15908 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA653369  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 307 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek 762 Comment
  RSA655366  Quercus durata var. gabrielensis LeRoy Gross 2000-11-12 328 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. 412 Comment
  RSA703268  Quercus durata var. gabrielensis D. E. Bramlet 2003-10-1 3529 Los Angeles San Rafael Hills: Chamberlin Debris Basin. Northwest of the Rose Bowl.Near Comment
  RSA754140  Quercus durata var. gabrielensis Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1826 Los Angeles San Gabriel River main stem across from Morris Dam, CS1, north side of parking lot 406 Comment
  SBBG125060  Quercus durata var. gabrielensis A. Parikh, N. Gale 2010-6-25 3364 Los Angeles Upper Van Tassel Cyn, 0.2 km SW of Mount Bliss 1080 Comment
  UCR197184  Quercus durata var. gabrielensis Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 656 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  SEINET6093540  Quercus engelmannii F. R. Fosberg 1931-1-7 7105 Los Angeles Sierra Madre. Comment
  UCSB58221  Quercus engelmannii Muller, Cornelius 1937-8-11 Los Angeles Huntington Gardens, Pasadena Comment
  OBI79189  Quercus ilex A. C. Sanders, Dan S. Cooper 2010-4-30 38124 Los Angeles South Coast: Madrona Marsh, Torrance (Torrance 7.5' Q) 24 Comment
  OBI44916  Quercus john-tuckeri David J. Keil, V. L. Holland, Michael Stiles, & Francis Villablanca 1987-5-1 20066 Los Angeles San Gabriel Mts. Along Big Pine hwy W of Jackson lake Comment
  CAS-BOT-BC258378  Quercus tomentella P. S. Manos 1988-10-28 681 Los Angeles San Clemente Island, just N of Stone Canyon 243 Comment
  RSA188336  Quercus tomentella Robert F. Thorne, Thorne 1966-5-31 36418 Los Angeles Santa Catalina Island, ridge running from S end of Mt. Orizaba, S side of S fork of Fern Canyon 427 Comment
  RSA488454  Quercus tomentella Mark Hoefs 1974-9-17 536 Los Angeles Santa Catalina Island, Gallagher's Canyon- lower west fork 30 Comment
  RSA773604  Quercus wislizeni R. G. Swinney 2009-6-24 11265 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA599676  Rafinesquia californica Steve Boyd, Lauren Raz 1997-5-6 9695 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
  RSA617730  Rafinesquia californica Scott D. White, Sandy Leatherman 1998-5-22 6561 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  SEINET4044448 Image available Rafinesquia californica D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 350 Comment
  UCR200175  Rafinesquia californica Valerie Soza, Laura A. Moore 2000-5-10 838 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 at fire gate to powerlines 579 Comment
  RSA590480  Rafinesquia californica Timothy S. Ross, Walter Appleby 1993-5-20 7201 Los Angeles Western San Gabriel Mountains, head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  CAS-BOT-BC379001  Ranunculus aquatilis var. diffusus P. A. Munz 1922-5-16 5601 Los Angeles San Dimas, sluggish brook east of Puddingstone Canyon 366 Comment
  SEINET12100196  Ranunculus californicus Unknown 1933-1 8167 Los Angeles near Los Angeles Comment
  UCR217279  Raphanus sativus R. G. Swinney 2009-3-6 10049 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, Azusa, east of Irwindale Ave. and north of I-210 Fwy 152 Comment
  UCR258847  Raphanus sativus R. G. Swinney 2010-3-16 11917 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UC1121733  Rhamnus californica A. D. Gifford 1935-3-17 495 Los Angeles Elizabeth Lake Canyon, at e end of quad. Angeles National Forest, Tejon Quad. 792 Comment
  SEINET13946316 Image available Rhamnus crocea J. Spevak 1969-1 s.n. Los Angeles Cultivated at 124 S. Maple Drive, introduced 183 Comment
  SEINET6699512 Image available Rhamnus crocea var. ilicifolia Ira W. Clokey, B. Templeton 4575 Los Angeles Mandeville Canyon, Santa Monica Mountains 275 Comment
  CAS-BOT-BC55979  Rhamnus ilicifolia Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles near Monrovia Comment
  CAS-BOT-BC55985  Rhamnus ilicifolia Carl B. Wolf 1927-7-24 s.n. Los Angeles 1/2 mile East of Montrose Comment
  RSA226222  Rhamnus ilicifolia Gary D. Cromwell, David W. Wheat 1971-4-16 505 Los Angeles Mystic Canyon, Angeles National Forest. 2 miles NE of Glendora at upper canyon fork 427 Comment
  RSA167835  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-2-7 33471 Los Angeles Santa Catalina Island, lower end of Pebbly Beach, E end of island 76 Comment
  RSA351126  Rhamnus pirifolia Theodore Payne 1909-10-11 2344 Los Angeles Catalina Island Comment
  UC1215183  Rhamnus pirifolia Peter H. Raven 1962-5-9 17683 Los Angeles near head of canyon above Mosquito Cove (San Clemente Island); , near head of canyon above Mosquito Cove 274 Comment
  HSC101314  Rhus aromatica R. G. Swinney 2009-3-28 10213 Los Angeles Transverse Range, San Gabriel Mtns.: Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 378 Comment
  CAS-BOT-BC167917  Rhus integrifolia Dr. H. E. Hasse s.n. Los Angeles Los Angeles Comment
  RSA150929  Rhus integrifolia P. H. Raven 1962-4-10 17245 Los Angeles above Wilson Cove. San Clemente Island 107 Comment
  RSA233591  Rhus integrifolia R. F. Thorne 1970-3-5 39380 Los Angeles Upper Avalon Canyon, Santa Catalina Island. Comment
  RSA247211  Rhus integrifolia Jack Delaini 1974-3-11 66 Los Angeles Lodi Canyon, on SW-facing slope. 503 Comment
  RSA296858  Rhus integrifolia W. L. Jepson 1908-7-13 3054 Los Angeles Swain Canon Comment
  RSA386495  Rhus ovata Robert Gustafson 1981-3-18 2132 Los Angeles Ballona Wetlands, Area 3. Comment
  UC1870192  Rhus viminalis LeRoy Gross 2001-3-25 379 Los Angeles Los Angeles Basin: Verdugo Mountains Region NW side, along N side of hill N of the 210 freeway (Verdugo Crestline Dr.) between freeway and city of Sunland, entered at Topley Lane. Comment
  CAS-BOT-BC433165  Ribes Ernest Braunton 1903-1-10 793 Los Angeles Arroyo Seco Comment
  RSA783434  Ribes J. D. Olmsted 1960-1-8 1091 Los Angeles Sycamore Canyon, just past No Trespassing sign, beginning of Wildwood T. T., San Gabriel Mts. 457 Comment
  CAS-BOT-BC93077  Ribes californicum var. hesperium Geo. B. Grant 1906-2-21 6592 Los Angeles Sierra Madre. Old Wilson Trail at 1/4 way house. 762 Comment
  CAS-BOT-BC93111  Ribes californicum var. hesperium Clarence R. Quick 1939-11-22 050 Los Angeles Collected in San Gabriel Canyon. Comment
  UC1334716  Ribes californicum var. hesperium John E. Stumbo and John C. Bayse 1963-12-10 Los Angeles native vegetation area of Lux Arboretum Annex; Monrovia 365 Comment
  RSA0008290  Ribes divaricatum var. parishii Fredrick V. Coville, Rimo Bacigalupi 1925-4-18 171 Los Angeles Lexington Wash at El Monte. Comment
  CAS-BOT-BC6180  Ribes grantii George Bernard Grant; William Wheeler 1904-5-17 6241 Los Angeles Mt. Wilson 1828 Comment
  CAS-BOT-BC173119  Ribes indecorum John Thomas Howell 1928-2-18 3349 Los Angeles Arroyo Seco, San [Gabrill] Gabriel Mts. Comment
  RSA441472  Ribes indecorum Louis Greata 1901-04 1931 Los Angeles San Gabriel Mts. Comment
  RSA640253  Ribes indecorum Robert F. Thorne 1971-3-25 41505 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  RSA741086  Ribes malvaceum Justin M. Wood 2008-11-20 235 Los Angeles ANF Road (1N36) / SCE access road W of Van Tassel Canyon. Above the city of Duarte. 305 Comment
  RSA0021648  Ribes malvaceum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4307 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA84838  Ribes nevadense F. W. Peirson 1918-5-26 72 Los Angeles Summit of Mt. Wilson, San Gabriel Mts Comment
  OBI36779  Ribes quercetorum David J. Keil 1980-3-27 13745 Los Angeles 1 mi E of Ridge rte on Pine Cyn rd (L.A. County rd N-2) 1189 Comment
  POM11582  Ribes roezlii var. roezlii P. A. Munz 1921-6-17 4670 Los Angeles Sawmill, Swartout [Swarthout] Valley. 2043 Comment
  CAS-BOT-BC168661  Ribes speciosum L. Street 1919-3-30 2456 Los Angeles Turnbull Canyon 304 Comment
  CAS-BOT-BC168667  Ribes speciosum John Thomas Howell 1928-3-2 3363 Los Angeles Vermont Canyon, Griffith Park Comment
  RSA533446  Ricinus communis T. S. Ross 1991-4-21 4503 Los Angeles Whittier hills (Puente hills, pro parte): Turnbull canyon drainage near mouth of Turnbull canyon. 154 Comment
  OBI35713  Rosa Rebecca Cicoria 1982-4-26 57 Los Angeles Palos Verdes Peninsula: Blackwater Cyn, Rolling Hills Comment
  SBBG72351  Rubus leucodermis Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  CATA965  Rubus ursinus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1831 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below junction of road to Ben Weston Beach 153 Comment
  POM366437  Rubus ursinus F. R. Fosberg 1931-4-13 S 4584 Los Angeles Santa Catalina Island. Pebble [Pebbly] Beach Canyon. 60 Comment
  SBBG18716  Rubus ursinus E. R. Blakley 1963-4-7 5516 Los Angeles Middle Ranch Cyn at Eagles Nest Station 152 Comment
  POM2344  Rumex conglomeratus W. R. Shaw 1900-7-3 77 Los Angeles Claremont. Comment
  RSA547812  Rumex crispus Tim S. Ross, Peter Fritsch 1990-6-20 3612 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
  CHSC26243  Rumex hymenosepalus Thomas W. Eakle 1971-5-2 137 Los Angeles Ca. 20 mi. SE of Palmdale, 2 mi. So. of Vincent on Angeles Crest Hwy. in San Gabriel Mtns. 1310 Comment
  UCR260789  Rumex hymenosepalus R. G. Swinney 2010-2-27 11731 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
  UCD101318  Rumex hymenosepalus Marian Vincent; Leeana Swade 1964-4-2 476 Los Angeles Solemint Canyon Road, 3 miles north of Solemint Store. Soledad Canyon Road. Comment
  IRVC29681  Rumex obtusifolius A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26223 Los Angeles Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch Western San Gabriel Mtns. 351 Comment
  RSA597019  Rumex salicifolius var. salicifolius Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3814 Los Angeles Vicinity of Crystal Lake 1677 Comment
  UC1293673  Rupertia physodes P. C. Everett and E. K. Balls 1959-6-2 23823 Los Angeles 0.6 mi ne entrance to Stokes Canyon; Santa Monica Mountains 152 Comment
  POM348834  Rupertia physodes Anstruther Davidson 1890-04 s.n. Los Angeles Arroyo near Pasadena Comment
  RSA596175  Ruppia cirrhosa L. C. Wheeler 1946-8-28 6303 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  CAS-BOT-BC454162  Ruppia maritima Carl B. Wolf 1932-5-12 3591 Los Angeles Little Harbor, Santa Catalina Island. 3 Comment
  RSA383647  Ruppia maritima Robert Gustafson 1981-4-29 2223 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA512041  Sagina saginoides L. C. Wheeler 1966-8-21 8839 Los Angeles San Gabriel Mountains: Dorr Canyon, northwest side Mount Burnham. Comment
  UCR176959  Salix gooddingii L. C. Wheeler 1967-5-2 9280 Los Angeles Liebre Mtns, N side foothills, c. 0.3 mi. west of Los Angeles Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles Co. firearms closure map 396 Comment
  UCR124587  Salix laevigata B. C. Templeton, I. W. Clokey 1930-4-8 1043 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  UC1135110  Salix lasiandra subsp. lasiandra Jerome S. Horton 1937-3-3 426 Los Angeles Plott 22 below dam Dalton Canyon; Pomona Quad. Comment
  POM219773  Salix lasiolepis Carl. W. Sharsmith 1931-11-15 3 Los Angeles Foot of coastal headland near mouth of Topanga Canyon. 15 Comment
  POM362718  Salix lasiolepis Robert Gustafson 1981-3-10 2109 Los Angeles Ballona Wetlands, Area 1. Comment
  RSA12359  Salix lasiolepis Fay A. MacFadden 1931-03 3074 Los Angeles Verdugo Mountains: Tuna Canyon, edge of wash above Belmont Club. Comment
  RSA229090  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38860 Los Angeles N facing slope above Angeles Crest Hwy N and below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  RSA6446  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Bottom of Topanga Canyon. 225 Comment
  UC5054  Salix lasiolepis W. H. Brewer 1861-2-1 222 a Los Angeles Santa Susanna Mts. Comment
  UCR155613  Salix lasiolepis A. C. Sanders 2005-5-11 30151 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UCR193728  Salix lasiolepis R. G. Swinney 1999-6-18 7299 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  RSA0030806  Salix lasiolepis Carl W. Sharsmith 1931-11-15 3 Los Angeles Santa Monica Mountains. 15 Comment
  SEINET12003299  Salix lasiolepis C. W. Sharsmith 1931-1 3 Los Angeles Santa Monica Mts. near mouth of Topanga Canyon 15 Comment
  CAS-BOT-BC128515  Salix lasiolepis var. lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Santa Monica Mountains - Agoura (Picture City) Comment
  LA210396  Salix lucida subsp. lasiandra Carl Hedin; Joseph Andorfer Ewan 1932-6-28 7674 Los Angeles Los Angeles River at Los Feliz Bridge Comment
  CAS-BOT-BC125955  Salix scouleriana Joseph Andorfer Ewan 1936-7-22 9817 Los Angeles Blue Ridge near Big Pines road jct., San Gabriel Mts. 457 Comment
  RSA802557  Saltugilia splendens subsp. grantii Orlando Mistretta, Christine Mistretta 2011-7-6 5911 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  RSA0116639  Saltugilia splendens subsp. grantii Orlando Mistretta, Christine Mistretta 2008-4-16 2472 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  RSA599900  Saltugilia splendens subsp. grantii L. C. Wheeler 1933-7-4 1902 Los Angeles San Dimas Canyon 640 Comment
  RSA0091748  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-26 14855 Los Angeles 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. 1061 Comment
  RSA411294  Salvia apiana M. Vincent 1962-4-7 222 Los Angeles Soledad Canyon at Rivers End. Comment
  RSA411300  Salvia apiana Robin S. Collins 1973-5-28 315 Los Angeles Angeles National Forest, San Gabriel Mountains, Trail Canyon, from start of pack trail into canyon ca. 2 miles 609 Comment
  RSA424354  Salvia apiana William Emboden 1970-6-12 22 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UC495279  Salvia apiana Philip A. Munz 1932-5-17 12642 Los Angeles 1 mi n Claremont 396 Comment
  RSA442821  Salvia apiana William Emboden 1969-5-28 4 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  SD204907  Salvia clevelandii R. F. Thorne 1990-6-5 63107 Los Angeles Mt. San Antonio Gardens, 900 East Harrison Avenue, Pomona, Ca. 91767 Comment
  POM50361  Salvia columbariae L. R. Abrams 1901-4-1 1235 Los Angeles Ballona Harbor. Comment
  SEINET11196349  Salvia columbariae Unknown 2008-4-14 408 -03 Los Angeles Los Angeles County Comment
  RSA233396  Salvia columbariae Robert F. Thorne 1966-4-17 36114 Los Angeles San Clemente Island: near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  RSA82999  Salvia columbariae F. W. Peirson 1919-3-30 335 Los Angeles Hills west of the Arroyo Seco, west of Pasadena 427 Comment
  UCSB41790  Salvia columbariae Fall, G. 1970-3-25 Los Angeles along the roadside of 110th St; 2.6 mi. from intersection with K Ave; 11 mi. from Sierra Hwy 1036 Comment
  UCR121668  Salvia dorrii June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  SEINET7978749  Salvia dorrii var. pilosa B. Ertter, J. Strachan 1979-6-29 3007 Los Angeles North edge of Angeles NF, ca. 9 airmiles ESE of Pearblossom, 1.7 mile N of Mile High on County Hwy N4. 1463 Comment
  POM29136  Salvia leucophylla S. B. Parish 1887-06 1889 Los Angeles San Francisquito Canon. Comment
  UCR107802  Salvia leucophylla Steve Boyd, Valerie Soza 1998-4-28 10167 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, east of junction with Plum Canyon Road. 512 Comment
  UCSB7810  Salvia leucophylla Ensign, Judy 1963-4-7 Los Angeles half mile N of Natoma Dr; at Wells Dr. in Woodland Hills Comment
  CAS-BOT-BC229927  Salvia mellifera Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Isl. Comment
  HSC12511  Salvia mellifera Wendell Wood 1970-6-17 8 Los Angeles Linda Vista Rd. and Chevy Chase, Glendale 366 Comment
  RSA0091073  Salvia mellifera R. G. Swinney 2011-3-17 14124 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA580958  Salvia mellifera Jamie Kneitel 1994-4-28 46 Los Angeles San Gabriel Mountains: Dexter Park 610 Comment
  RSA681959  Salvia mellifera Sarah Swartzentruber, Michael Denslow, LeRoy Gross, Bill Hogshead 2003-6-17 5 Los Angeles Verdugo Mountains: East-facing slope in west side of Brand Canyon walls, across from the Brand Canyon cemetary. 305 Comment
  RSA725766  Salvia mellifera A. C. Sanders, Mark A. Elvin 2003-5-1 26283 Los Angeles Westrn San Gabriel Mtns.: NE side of Castaic Msa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 396 Comment
  SBBG119539  Salvia mellifera A. C. Sanders, H. Kennedy 2005-4-13 29432 Los Angeles lower Mint Cyn at the community of Mint Cyn 457 Comment
  UC883828  Salvia mellifera C. F. Baker 1904-5-5 4751 Los Angeles hills near Claremont Comment
  UCR255785  Salvia mellifera R. G. Swinney 2010-4-20 12304 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  RSA434072  Salvia spathacea Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  JEPS19509  Sambucus mexicana Peter H. Raven 1957-9-21 11330 Los Angeles U.C.L.A. campus Los Angeles (small hill at nw end) Comment
  POM6271  Sambucus mexicana C. Vesta Sturges 1908-6-11 s.n. Los Angeles Claremont. 400 Comment
  RSA177668  Sambucus mexicana R. F. Thorne, P. Everett 1965-5-10 34441 Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  RSA720249  Sambucus mexicana LeRoy Gross 2007-4-27 2652 Los Angeles Southern front of the range; Sherer Canyon. West branch of this canyon. At some old foundations, power lines running up the ridge north of here. 288 Comment
  UCR209947  Sambucus mexicana R. G. Swinney 2008-7-15 9222 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR212812  Sambucus mexicana Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1762 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 308 Comment
  SEINET12740127  Sambucus mexicana E. Adams 1978-1 Los Angeles Altadena, Eaton Canyon Dam. Comment
  CAS-BOT-BC238723  Sambucus nigra subsp. caerulea John I. Carlson 1918-4-26 s.n. Los Angeles Griffith Park Comment
  UCR277199  Sambucus nigra subsp. caerulea R. G. Swinney 2010-9-30 13954 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  LA94335  Sambucus nigra subsp. canadensis M. Epling; Carl Epling May 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  CATA583  Sanicula arguta Mark L. Hoefs 1991-4-7 1021 Los Angeles Santa Catalina Island: By main road south-east of Cottonwood Beach 131 Comment
  POM257570  Sanicula arguta C. B. Wolf 1932-5-11 3571 Los Angeles Santa Catalina Island. Point west side of Fourth O July Cove. 30 Comment
  SBBG17806  Sanicula arguta P. H. Raven 1962-4-9 17150 Los Angeles Wilson Cove, near barracks 60 Comment
  UC1562957  Sanicula arguta Steve Myers 1990-4-3 1 Los Angeles Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
  UCR190527  Sanicula arguta R. G. Swinney 1990-3-19 1524 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  RSA470982  Sanicula arguta B. C. Templeton 1968-2-25 11387 Los Angeles Near isthmus, Santa Catalina Island. Comment
  RSA471467  Sanicula crassicaulis Robert Gustafson, Gary D. Wallace 1982-4-14 2503 Los Angeles Gold Hill, Monrovia; southern base of the San Gabriel Mts. Comment
  RSA0135544  Sarcodes sanguinea Janell Cassianni 2007-06 6 Los Angeles Chilao / Horse Flats. Comment
  SBBG98612  Schinus molle T. Ross 1991-4-21 4548 Los Angeles ridgetop between Turnbull and Sycamore Cyns; Whittier Hills (Puente Hills) 320 Comment
  LA103575  Schismus arabicus Barry A. Prigge; 1986-3-29 7152 .1 Los Angeles San Gabriel Mountains, Soledad Canyon, Santa Clara River at Lang Station Road 518 Comment
  RSA588160  Schismus arabicus Orlando Mistretta 1994-5-23 1247 Los Angeles San Gabriel Mountains: Little Rock creek. Forest Road 4N15. 1250 Comment
  RSA762450  Schismus barbatus R. G. Swinney 2009-2-20 10011 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  CAS-BOT-BC111512  Schoenoplectus americanus LeRoy Abrams 1901-4-11 1465 Los Angeles Ballina Creek near Mesmer. Comment
  RSA640895  Schoenoplectus americanus L. C. Wheeler 1967-7-23 10178 Los Angeles San Gabriel Mountains. Mojave Desert slope: pond 1/2 mi W from Barrel Springs, San Andreas Rift Zone. Comment
  RSA92162  Schoenoplectus californicus F. W. Peirson 1906-7-19 1614 Los Angeles Inglewood. Comment
  CAS-BOT-BC111669  Schoenoplectus pungens var. longispicatus Dr. Donisan 1902-5-1 s.n. Los Angeles Los Angeles River. Comment
  RSA233362  Scrophularia californica subsp. floribunda Arthur C. Gibson, Linda Gibson 1971-3-18 2795 Los Angeles Fish Canyon, below the waterfall, San Gabriel Mountains. Comment
  SBBG95232  Scrophularia villosa M. B. Dunkle 1928-4-13 1865 Los Angeles Renton Mine Rd Comment
  UC25772  Scutellaria siphocampyloides H. M. Hall Jun 20 1899-Jun 22 1899 1251 Los Angeles north side San Antonio Mountains 1706 Comment
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Nov 26 2011
  UCR271731  Scutellaria tuberosa R. G. Swinney 2011-3-26 14204 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR117114  Searsia lancea A. C. Sanders, D. Malueg 2001-5-17 24352 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  UCR256531  Sedum spathulifolium Anuja Parikh, Nathan Gale 2011-7-19 3568 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 6.3 km west of State Hwy 39, San Gabriel Canyon Road 595 Comment
  CAS-BOT-BC333078  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1961-10-31 6679 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  CAS-BOT-BC333084  Senecio flaccidus var. douglasii John Thomas Howell 1927-11-13 3203 Los Angeles 1 1/2 miles east of Elizabeth Lake, Liebre Mountains 914 Comment
  OBI82195  Senecio flaccidus var. douglasii Richard G. 'Dick' Swinney 2009-11-13 11607 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. (Acton 7.5' Q.); 34.4839 -118.136 921 Comment
  RSA639475  Senecio flaccidus var. douglasii Walter Wisura 5130 Los Angeles San Gabriel Mts.: 3.5 mi W of Cow Canyon Saddle on forestry rd off Glendora Ridgeroad. Comment
  SD212512  Senecio flaccidus var. douglasii T. B. Salvato, Sarah Flack 2007-8-8 3025 Los Angeles San Gabriel Mountains: East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2012 Comment
  SD44623  Senecio flaccidus var. douglasii Darley F. Howe 1951-10-7 2163 Los Angeles Madeville Canyon, Santa Monica Mountains Comment
  UC1586207  Senecio flaccidus var. douglasii Tim Ross 1991-8-16 5800 Los Angeles n Pasadena (Woodwardia Canyon); Condor Peak Quad., San Gabriel Mountains, Woodwardia Canyon 818 Comment
  UC1872968  Senecio lyonii John Knapp, Denise Knapp 2003-4-13 16 Los Angeles Catalina Island Comment
  RSA0108862  Senecio lyonii Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-6-11 SCa- 716 Los Angeles Santa Catalina Island: Along horse trail/fire road on E side of Avalon Canyon, across from Quail Canyon and above baseball field. 106 Comment
  RSA702937  Sequoiadendron giganteum Scott D. White 2004-8-11 10719 Los Angeles About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  CAS-BOT-BC243575  Setaria parviflora Timothy S. Ross 1992-5-24 6401 Los Angeles W margin of Hwy 39, and on disturbed slope descending into Brown's Bulch, San Gabriel Canyon, San Gabriel Mountains 487 Comment
  UCR206155  Setaria parviflora R. G. Swinney 2008-5-30 8894 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA585074  Setaria viridis L. C. Wheeler 1931-9-11 132 Los Angeles 2 mi. NE La Verne 373 Comment
  UC303075  Sibara virginica T. Minthorn 1921-1 Los Angeles near Gardena; near Gardena Comment
  SBBG11610  Silene antirrhina P. H. Raven 1962-5-8 17637 Los Angeles W side of island, 2.4 mi S of Wilson Cove 137 Comment
  RSA477833  Silene antirrhina Anstruther Davidson 1890-3-24 s.n. Los Angeles Foothills L.A. Comment
  CATA986  Silene gallica Mark L. Hoefs 1994-5-21 1858 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  RSA477880  Silene gallica Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles.[Los Angeles River?] Comment
  POM305925  Silene gallica Henry J. Ramsey, Henry Ramsey 1936-5-1 1223 Los Angeles Altadena, Eaton Canyon Park. Comment
  RSA547824  Silene gallica Timothy S. Ross, Peter Fritsch 1990-6-20 3621 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
  UCD98676  Silene gallica Frank W. Pierson 1919-5-14 420 Los Angeles Eaton Canyon, San Gabriel Mountains. 731 Comment
  CAS-BOT-BC174910  Silene laciniata John H. Thomas 1956-11-8 6473 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 Comment
  SBBG109014  Silene laciniata subsp. laciniata S. A. Junak with S. Burckhalter, J. Stone 1996-5-18 SCl 493 Los Angeles lower portion of Middle Ranch Cyn, upstream from first fork, at lowermost waterfall, ca. 0.25 mi inland from escarpment 82 Comment
  UCSB68628  Silene laciniata subsp. laciniata Gross, LeRoy; Denslow, Michael; Hogshead, Bill 2003-6-17 Los Angeles Transverse Ranges; Verdugo Mountains region: south side of mountains: Brand Canyon; above the large waterfall; where the canyon forks off; near 34.19627N, 118.26582W (Burbank Quad.: T1N R13W S5, NW 1/4 of SE 1/4) UTM Zone 11; 3784447N 0383368E 519 Comment
  RSA653699  Silene multinervia Valerie L. Soza, Laura Moore 2000-5-10 858 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
  CAS-BOT-BC175112  Silene verecunda F. Grinnell Jr. 1917-8-31 s.n. Los Angeles Ridge between Buckhorn and Pleasant View Ridge, San Gabriel Mountains Comment
  UCR223656  Silene verecunda R. G. Swinney 2009-6-24 11253 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA229108  Silene verecunda subsp. platyota R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38879 Los Angeles Near Lodgepole Picnic ground at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Hwy., 1.2 mi. SE of Dawson saddle. 2332 Comment
  UCR3358  Silybum marianum H. M. Whistler 1964-4-11 640411- 03 Los Angeles San Gabriel Valley, Side of road to Puddingstone Reservoir State Park, 0.3 mi from San Dimas City limit 244 Comment
  RSA0115447  Sisymbrium altissimum R. G. Swinney 2011-10-13 15782 Los Angeles San Gabriel Mountains: Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  UCR127633  Sisymbrium altissimum Mark A. Elvin, Cathleen Weigand 2003-5-22 2895 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA0088597  Sisymbrium irio R. G. Swinney 2010-5-4 12546 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  UCR282597  Sisymbrium irio Dan S. Cooper 2017-2-5 217- 05 Los Angeles Los Angeles; Griffith Park, Zoo Drive east of Victory 142 Comment
  UCR62319  Sisymbrium irio R. G. Swinney 1990-3-14 1523 Los Angeles San Gabriel Mountains, Glendora Wilderness Park, on Big Dalton Canyon Road, 1.0 mi east of Glendora Mtn Road, east side of road 442 Comment
  OBI77662  Sisymbrium irio Steve Boyd, Lauren Raz 1997-3-31 9434 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, flats and slopes just NE of ranch compound. T7N R17W NE 1/4 NE 1/4 sec 22 1158 Comment
  RSA65824  Sisymbrium officinale F. W. Peirson 1920-4-25 2109 Los Angeles Arroyo Seco, west of Pasadena 411 Comment
  RSA659131  Sisymbrium orientale LeRoy Gross 2001-3-31 375 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. 549 Comment
  SBBG117042  Sisyrinchium bellum S. A. Junak 2001-5-4 SCa 1484 Los Angeles S of Parson's Landing 109 Comment
  UCR182638  Sisyrinchium idahoense R. G. Swinney 1997-7-23 5728 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR117122  Sisyrinchium rosulatum A. C. Sanders, D. Malueg 2001-5-17 24313 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  SD143699  Solanum douglasii Scott D. White 1997-2-2 4658 Los Angeles San Dimas/Pomona area: Bonelli Regional Park. Just NW of Puddingstone Reservoir, S of San Dimas Ave., and E of the I-210 Freeway 239 Comment
  UCR92059  Solanum douglasii Scott D. White 1995-2-7 2516 Los Angeles San Gabriel Mtns., Picnic area, Lopez Cyn. Rd. +-2 mi north of Foothill Boulevard 488 Comment
  RSA422417  Solanum douglasii M. Bisbee 1917-5-29 s.n. Los Angeles Roadside, Eagle Rock Comment
  RSA576127  Solanum douglasii F. H. Elmore 420 Los Angeles San Clemente Island. Comment
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May 16 2008
  CAS-BOT-BC156469  Solanum umbelliferum W. R. Dudley; F. H. Lamb 1896-6-8 4379 Los Angeles Kings Canyon, Liebre Mountains Comment
  CAS-BOT-BC156795  Solanum umbelliferum T. S. Ross 1995-4-7 8370 Los Angeles Old Ridge Route: 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon 945 Comment
  CAS-BOT-BC83636  Solanum umbelliferum L. Abrams 1902-6-17 2556 Los Angeles Santa Monica Mountains. Sepulveda Canyon. Comment
  RSA638823  Solanum umbelliferum Valerie L. Soza, Laura Moore 1999-6-30 579 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  UCR273429  Solanum umbelliferum R. G. Swinney 2011-6-22 15261 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
  CAS-BOT-BC236429  Solanum wallacei Carl B. Wolf 1932-5-9 3491 Los Angeles Along road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island 304 Comment
  RSA25761  Solanum wallacei Carl B. Wolf 1941-6-25 10891 Los Angeles About 1 mile NE of the Wrigley Mausoleum at head of Avalon Valley; Santa Catalina Island. 122 Comment
  SBBG130580  Solanum wallacei S. A. Junak 2000-3-31 SCa 1147 Los Angeles above rd to White's Landing, ca. 0.3 mi from intersection with Airport Rd, just downslope from Airport Rd 411 Comment
  NY820491  Solanum xanti L. Abrams 1916-1-3 5569 Los Angeles Between Agusa and [Unclear: Duork] Comment
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Dec 23 2014
  SEINET7262092 Image available Solanum xanti var. intermedium I. W. Clokey, B. Templeton April 1929 4432 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  RSA473615  Solidago californica F. R. Fosberg 1931-8-12 55525 Los Angeles Buckhorn Trail, northwest ridge, San Gabriel Mountains 2100 Comment
  UC88193  Solidago confinis Katharine Curran Sept. 1883 Los Angeles Ravina Comment
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Aug 2 2012
  CAS-BOT-BC365018  Solidago velutina subsp. californica Timothy S. Ross; Steve Boyd 1994-9-20 8269 Los Angeles Liebre Mountains. Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir 950 Comment
  LA203980  Solidago velutina subsp. californica Jonathan Sauer; D. Bradbury, L. Wester 1969-10-19 4660 Los Angeles San Gabriel Mountains, Summit of Mt. Pacifico 2133 Comment
  UC57407  Solidago velutina subsp. californica J. H. Barber 1897-9-29 286 Los Angeles Santa Monica Forestry Station Comment
  UCR222775  Sonchus asper R. G. Swinney 2009-5-6 10691 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA0127006  Sonchus asper subsp. asper Louis C. Wheeler 1967-7-20 10124 Los Angeles Aliso Canyon. 1067 Comment
  LA209938  Sonchus oleraceus Monte Lloyd; 1950-7-31 500731 953 Los Angeles Campus of University of California at Los Angeles 121 Comment
  OBI34889  Spartina foliosa David J. Keil 1983-8-23 17880 Los Angeles Huntington Harbor at Bolsa Chica Ecological Reserve Comment
  RSA0031717  Spartium junceum Dana Roche 1998-5-3 6 Los Angeles Mt. Baldy Road 2.6 miles from the intersection of Mils Ave and Mt. Baldy Rd. East side of road. 731 Comment
  RSA660760  Spartium junceum J. Doughty 1985-5-19 192 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  CAS-BOT-BC389949  Spergula arvensis Louis C. Wheeler 1932-3-12 487 Los Angeles La Verne 304 Comment
  SBBG70002  Spergula arvensis M. N. Ackley -May-1925 80 Los Angeles small cyn, Glendale 266 Comment
  UCR202328  Spergularia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25482 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  CATA3042  Spergularia bocconi Amy Catalano 2016-3-21 051 Los Angeles Santa Catalina Island: Driveway to milkhouse in Middle Ranch 188 Comment
  RSA0097907  Spergularia bocconi Valerie L. Soza, Steve Boyd 2000-4-26 790 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  SBBG113114  Spergularia bocconi S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 620 Los Angeles upper portion of Avalon Cyn watershed, along Memorial Rd, ca. 0.7 mi rd mi above Wrigley Memorial 213 Comment
  CAS-BOT-BC390811  Spergularia marina Robert F. Thorne; P. Everett 1965-6-22 34861 Los Angeles Santa Catalina Island: inner, higher margin of Pebble Beach 1 Comment
  SEINET3150440  Sphaerostigma veitchianum G. B. Grant 1904-1 1235 -A Los Angeles Pasadena Comment
  UCR124477  Sphenosciadium capitellatum B. C. Templeton 1932-7-20 5005 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  LA51388  Stachys albens Peter H. Raven; Henry J. Thompson 1959-10-14 14629 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA0024631  Stachys albens Duncan S. Bell, Caitlin Elam 2013-6-24 5285 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA446647  Stachys bullata Albert J. Perkins 1936-4-21 147 Los Angeles Santa Monica Mountains. Comment
  UC450775  Stanleya pinnata F. A. MacF. 1931-4-22 2921 Los Angeles San Franscito Canyon San Franscito Canyon (San Francisquito Canyon) ((San Francisquito Canyon?)) Comment
  RSA0073280  Stanleya pinnata Bonnie C. Templeton, H. J. Andrews 1938-6-22 1702 Los Angeles Shoemaker Canyon near Valyermo. Comment
  SD44967  Stanleya pinnata Darley F. Howe 1952-6-15 2227 Los Angeles Near Malibu Beach Comment
  UCSB2454  Stanleya pinnata Wedberg, H. 1957-5-5 Los Angeles 1/4 mi. N(W) Malibu Pier, Hwy. 101 Comment
  CAS-BOT-BC374810  Stebbinsoseris heterocarpa Timothy S. Ross; Gery Allan; Mark Elvin; Jennifer Stone 1995-5-19 8588 a Los Angeles San Clemente Island: Northern tributary of Canchalagua Canyon, ca. 1070 ft NNE of the 1135-ft triangulation point 268 Comment
  SBBG17798  Stebbinsoseris heterocarpa P. H. Raven 1962-4-9 17144 Los Angeles near barracks, Wilson Cove 91 Comment
  RSA720361  Stellaria media LeRoy Gross 2007-3-30 2615 Los Angeles Northeast side of the range. Unnamed canyon or east branch of Engleheard Canyon. Hiked this creek from just off a dirt road near the mouth to a little way up canyon., From 34.20590N, 118.24818W, to 34.20117N, 118.25262W. 404 Comment
  UCR200132  Stellaria media Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 775 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, well of De Bell Municipal Golf Course, southeast of Starlight Theater 335 Comment
  UCR199963  Stellaria nitens Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1150 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 427 Comment
  RSA0070811  Stephanomeria cichoriacea Fordyce Grinnell Jr. 1911-06 s.n. Los Angeles Mt. Wilson. 762 Comment
  UC494414  Stephanomeria diegensis Philip A. Munz 1932-8-31 12816 Los Angeles Playa del Rey Comment
  CAS-BOT-BC375478  Stephanomeria exigua subsp. exigua I. M. Johnston 1917-8-24 1654 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1828 Comment
  CAS-BOT-BC322845  Stephanomeria pauciflora Joseph Andorfer Ewan 1936-8-2 9915 Los Angeles Mescal Creek, San Gabriel Mts. 1615 Comment
  JEPS36843  Stephanomeria pauciflora F. W. Peirson 1918-8-16 250 Los Angeles San Antonio Canyon San Gabriel Mountains 1371 Comment
  RSA94981  Stephanomeria spinosa F. W. Peirson 1923-8-31 4007 Los Angeles summit of Blue ridge, 3 miles east of Big Pines, Swartout Valley 2529 Comment
  POM246619  Stephanomeria virgata F. R. Fosberg 1931-6-13 S 5393 Los Angeles Avalon, Santa Catalina Island. 5 Comment
  RSA659916  Stephanomeria virgata Orlando Mistretta 1991-9-25 s.n. Los Angeles Red Mountain. Comment
  UCD136432  Stephanomeria virgata Daryl Koutnik 1978-6-25 555 Los Angeles One mile south of Seminole Hot Springs on Mulholland Highway. 335 Comment
  CAS-BOT-BC375812  Stephanomeria virgata Le Roy Abrams 1901-8-8 2176 Los Angeles Pomona Comment
  UC1870187  Stillingia linearifolia LeRoy Gross 2001-5-27 425 Los Angeles Los Angeles Basin region; Verdugo Mountains, northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek 305 Comment
  UCR143144  Stipa lepida Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9478 Los Angeles San Gabriel Mtns., Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 915 Comment
  UCR273046  Stipa occidentalis R. G. Swinney 2011-7-8 15488 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCR273050  Stipa occidentalis var. californica R. G. Swinney 2011-7-8 15516 Los Angeles San Gabriel Mo