Search Results — 2000 specimen records retrieved (1556 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG31016  Abronia maritima R. F. Thorne with P. C. Everett 1965-5-11 34564 Los Angeles N beach of Little Harbor 1 Comment
  UCR3973  Abronia umbellata Art Whistler 1968-4-13 s.n. Los Angeles Pacific Coast, Malibu Beach c. 100 yards west of where Malibu Creek meets the ocean, in Malibu 3 Comment
  UCR45026  Abronia umbellata A. C. Sanders 1986-7-30 6816 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  SBBG31270  Acacia pycnantha R. F. Thorne 1966-6-1 36462 Los Angeles Pebbly Beach Drive, SE of Avalon 45 Comment
  RSA76987  Acer macrophyllum F. W. Peirson 1919-4-5 107 Los Angeles Sierra Madre trail to Mt. Lowe. Comment
  SEINET13387027 Image available Acer macrophyllum R. G. Swinney 2011-1 15946 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  UC63856  Acer macrophyllum H. M. Hall June 1899 Los Angeles Schwartout Canyon San Antonio Mountains, Schwartout Canyon 1828 Comment
  UCR76417  Achillea millefolium T. S. Ross 1992-4-14 6188 Los Angeles Channel Islands, San Clemente Island: c. 30 m ENE of intersection of new Lemon Tank Road and main N-S road 340 Comment
  UC677605  Achnatherum coronatum A. A. Beetle 1942-4-18 3086 Los Angeles Angles Crest Blvd., Rt. 2 San Gabriel Mts. 914 Comment
  RSA226063  Achnatherum hymenoides R. F. Thorne, C. W. Tilforth 1971-6-29 40675 Los Angeles Soledad Canyon: N slope San Gabriel Mountains, ca 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. Angeles National Forest. 884 Comment
  RSA228860  Achnatherum occidentale subsp. californicum R. F. Thorne 1971-6-26 39993 Los Angeles Angeles National Forest: Chilao Flat near entrance. 1616 Comment
  CAS-BOT-BC29815  Achyrachaena mollis Henry J. Thompson 1959-4-19 1951 Los Angeles Santa Monica Mountains, Mulholland Hwy., 1 mile W of Las Virgenes Road, Malibu Creek drainage 274 Comment
  SBBG98425  Acmispon argophyllus var. argenteus T. Ross 1991-5-22 5454 Los Angeles Spray Pt, ca. 5300 ft N of Eel Pt 9 Comment
  SDSU4286  Acmispon argophyllus var. argophyllus R. M. Beauchamp 1967-1-27 118 Los Angeles East of Wilson Cove area. Comment
Read comments
Nov 10 2008
  SD234395  Acmispon brachycarpus A. C. Sanders, M. A. Elvin, et al 2003-5-1 26280 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 395 Comment
  SBBG68100  Acmispon strigosus M. N. Ackley -Feb-1928 547 Los Angeles Eagle Rock 304 Comment
  SD240995  Acmispon strigosus R. G. Swinney 2009-3-31 10225 Los Angeles Transverse Range; San Gabriel Mtns.: mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte. 182 Comment
  SD255719  Acmispon strigosus R. G. Swinney 2011-6-22 15260 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 (Waterman Mt 7.5'Q) 1780 Comment
  UCSB33709  Acmispon strigosus Miller, Brian 1963-6-15 Los Angeles Singing Springs, Mill Creek Canyon, San Gabriel Mts. 1219 Comment
  IRVC27304  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2003-8-7 27152 Los Angeles Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon NE end of Santa Susana Mtns. 351 Comment
  UCR179262  Adenostoma fasciculatum R. G. Swinney 1967-6-25 154 Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 488 Comment
  RSA3729  Adenostoma fasciculatum var. fasciculatum Carl B. Wolf 1932-5-10 3519 Los Angeles Equestrian Trail back of Avalon, Santa Catalina Island. 305 Comment
  RSA390568  Adenostoma fasciculatum var. fasciculatum Robin S. Collins 1973-5-15 287 Los Angeles Angeles National Forest, Trail Canyon. 610 Comment
  RSA390574  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1933-6-17 3588 Los Angeles San Antonio River Canyon 915 Comment
  SBBG105502  Adenostoma fasciculatum var. fasciculatum F. R. Fosberg 1931-4-2 4450 Los Angeles Camp Frost 380 Comment
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May 19 2014
  SD112342  Adiantum aleuticum Darley F. Howe 1915-3-1 26 Los Angeles San dimas Canyon Comment
  LA94108  Adiantum capillus-veneris Lawrence L. Kiefer; 1966-3-26 1779 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 0.5 mi from mouth. 60 Comment
  RSA687670  Adiantum capillus-veneris E. Crow 1928-10-21 1 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA687677  Adiantum capillus-veneris H. H. Tracy s.n. Los Angeles Palmers Canyon, N of Claremont 457 Comment
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Apr 3 2011
  LA200059  Adiantum jordanii Lawrence L. Kiefer; 1966-5-14 2038 Los Angeles SANTA MONICA MOUNTAINS, Sennet Canyon, eastern fork, Griffith Park, S of Mt. Hollywood Dr, ca 0.5 mi N of Vista del Valle Dr. 365 Comment
  LA94093  Adiantum jordanii Lawrence L. Kiefer; 1966-4-30 1944 Los Angeles SANTA MONICA MOUNTAINS, Hidden Valley, S of Canyon Potrero Rd. 304 Comment
  LA98925  Adiantum jordanii Lawrence L. Kiefer; 1966-4-16 1873 Los Angeles SANTA MONICA MOUNTAINS, Russell Valley, ca 2 mi W of Kanan Rd, canyon S of Hwy 101. 304 Comment
  POM868  Adiantum jordanii Clara Roush s.n. Los Angeles Palmer's Canyon. [San Gabriel Mnts] 609 Comment
  SBBG97001  Adiantum jordanii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4369 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  CHSC98111  Ageratina adenophora LeRoy Gross; Laura Moore 2000-6-5 215 Los Angeles Verdugo Mountains: Brand Canyon, a short distance above the cemetery. Canyon bottom. 349 Comment
  UCR189712  Agoseris grandiflora R. G. Swinney 1998-7-10 6392 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
  SEINET13383051 Image available Agoseris heterophylla R. G. Swinney 2011-1 15317 Los Angeles Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  UCR129390  Agrostis alba I. M. Johnston 1917-8-23 1633 Los Angeles Transverse Ranges; San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 1524 Comment
  CAS-BOT-BC139055  Agrostis pallens Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Near Soldiers Home. Comment
  RSA230751  Agrostis stolonifera R. F. Thorne, M. Z. Thorne 1969-7-9 38562 Los Angeles San Gabriel Mountains, Angeles National Forest: meadow at Big Pines 2088 Comment
  RSA87117  Agrostis stolonifera F. W. Peirson 1923-8-31 4015 Los Angeles Big Pines Camp, north side of San Gabriel Mountains. 2088 Comment
  UCR25466  Agrostis stolonifera John C. Roos 1950-9-16 4988 Los Angeles Los Angeles, Santa Monica Blvd. at Midvale Ave. 61 Comment
  RSA562420  Alchemilla occidentalis D. Bramlet 1993-4-15 2316 Los Angeles In the Puente Hills, approximately 457 m. NE of Pomona peak. The site is located some 640 m. west of the intersection of the Pomona freeway and Chino hills Parkway. On the north facing slope fo the canyon leading to Pomona peak. 381 Comment
  CAS-BOT-BC445383  Alisma plantago-aquatica Louis C. Wheeler 1951-8-20 6836 Los Angeles Pasadena: Devils Gate Dam. Comment
  CHSC95921  Allium burlewii LeRoy Gross; Valerie Soza 2003-6-10 1017 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. UTM Zone; 3793403N 0439641E. Just off the trail. 2896 Comment
  RSA727538  Allium fimbriatum var. fimbriatum R. G. Swinney 1998-5-16 6084 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1305 Comment
  JEPS34547  Allium lacunosum Frank W. Peirson 1919-5-10 426 Los Angeles Arrastre Creek San Gabriel Mountains 853 Comment
Read comments
Jan 1 2017
  UCR223160  Allium lacunosum var. davisiae R. G. Swinney 2009-5-27 10899 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA70459  Allium monticola F. W. Peirson 1921-6-16 5223 Los Angeles north slope of Mt. Waterman 2133 Comment
  POM220017  Allium praecox F. R. Fosberg 1932-5-5 8132 Los Angeles n. [north of?] Avalon, Santa Catalina Island 40 Comment
  CAS-BOT-BC475404  Allium praecox George B. Grant; Walter Wheeler 1904-4-21 34 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA748072  Allophyllum divaricatum R. G. Swinney 2003-5-12 8201 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  UC880194  Allophyllum divaricatum C. F. Baker 1904-6-14 4777 Los Angeles hills near Claremont Comment
  RSA0113510  Allophyllum divaricatum Lyman Benson 1945-6-5 11764 Los Angeles Cold Spring, 2-1/2 miles southwest of Camp Baldy on the Glendora Road. Mt. Range: San Gabriel. 1371 Comment
  RSA28232  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  RSA733036  Allophyllum gilioides subsp. violaceum R. G. Swinney 1998-7-8 6328 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  SBBG52697  Allophyllum glutinosum F. R. Fosberg 1931-7-14 5413 Los Angeles Hamilton Cyn 30 Comment
  SEINET10481950  Alyssum alyssoides August J. Breitung 1953-6-7 Breitung 15407 Los Angeles Sierra liebre hills. 1 Mi. E of hwy 99, along hwy 138, s of gorman. 1524 Comment
  UCR210689  Amaranthus blitoides R. G. Swinney 2008-10-22 9672 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  RSA127820  Amaranthus deflexus P. H. Raven, Henry J. Thompson 1958-9-19 s.n. Los Angeles Santa Monica Mountains, road borders of United States Hwy 101, 0.2 miles east of turn to Zuma Beach. 46 Comment
  IRVC28758  Amaranthus hybridus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25549 Los Angeles north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons Santa Clara River Valley 274 Comment
  RSA535692  Amblyopappus pusillus Timothy S. Ross 1991-5-22 5446 Los Angeles San Clemente Island. Spray [point], W side of island about 5300 feet N of El Point. Coastal terrace. 9 Comment
  RSA004144  Ambrosia acanthicarpa Fay A. MacFadden 1929-09 1026 Los Angeles Verdugo Mountains: La Tuna Canyon. Comment
  SBBG54460  Ambrosia acanthicarpa L. R. Abrams 1930-9-19 12908 Los Angeles Los Angeles Comment
  SD52909  Ambrosia chamissonis Peter H. Raven 1962-7-10 17953 Los Angeles San Clemente Island, sandy slopes near ocean due west of Wall 2 Comment
  UCR24357  Ambrosia confertiflora John C. Roos 1942-10-10 1722 Los Angeles Westwood Village, Malcolm Ave. and Santa Monica Blvd. 98 Comment
  SBBG61678  Ambrosia dumosa J. R. and R. C. Robbins 1930-3-29 Los Angeles Antelope Valley Comment
  RSA188003  Ambrosia psilostachya R. F. Thorne, Percy C. Everett 1965-6-24 35036 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon 45 Comment
  UCR123817  Ambrosia salsola Steven R. Hill, Kate Kramer 2001-4-22 33393 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
  UC66742  Amsinckia eastwoodiae N. K. Berg 1904-4-14 Los Angeles Santa Monica Comment
  RSA159340  Amsinckia intermedia P. H. Raven 1962-4-10 17181 Los Angeles San Clemente Island. Small arroyo above Wilson s Cove 61 Comment
  POM305844  Amsinckia intermedia Henry J. Ramsey, Henry J. Ramsey 1940-3-4 1094 Los Angeles Foothill Blvd. West of San Gabriel Bridge. Comment
  RSA0079967  Amsinckia intermedia P. H. Raven 1962-4-11 17261 Los Angeles San Clemente Island: sandy beach due west of Wall 2. 9 Comment
  RSA499936  Amsinckia intermedia Thekla Mohr 1931 Los Angeles Near Los Angeles Comment
  RSA499940  Amsinckia intermedia F. R. Fosberg 1932-5-5 10643 Los Angeles Hills n. of Avalon, Santa Catalina Island. Comment
  UC78275  Amsinckia intermedia T. S. Brandegee 1890-5-12 Los Angeles Santa Catalina Island Comment
  RSA799973  Amsinckia menziesii Pam De Vries 2013-4-3 7827 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  RSA799974  Amsinckia menziesii Pam De Vries 2013-4-3 7826 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  UCR180372  Amsinckia menziesii Scott D. White, Pam Devries 2006-5-9 11405 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
  UCR225776  Amsinckia menziesii Dave Silverman, Cindy Hopkins 2007-4-27 6775 Los Angeles Tejon Ranch, north of Oso Canyon, 2.8 km due west of CA Aqueduct, 1.3 km south of Kern Co. line, 1.4 km south of National Cement Plant 1062 Comment
  IRVC26443  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, et al. 2003-3-5 25716 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  UCR280893  Amsinckia retrorsa R. G. Swinney 2014-5-7 16412 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  UCR269955  Amsinckia tessellata R. G. Swinney 2010-6-1 13089 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  OBI70938  Amsinckia tessellata var. tessellata Steve Boyd, Lauren Raz 1997-3-26 9332 Los Angeles Liebre MTs region: Portal ridge N of Lake Hughes upper end of Myrick cyn drainage along lakeview rd.T7N R15W NE 1/4 NW 1/4 NE 1/4 sec 23 1134 Comment
  RSA0091447  Amsinckia tessellata var. tessellata Steve Boyd, Lauren Raz 1997-3-26 9332 Los Angeles Liebre Mountains region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1097 Comment
  RSA526537  Anagallis arvensis Steve Boyd, L. Arnseth 1990-4-7 4275 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA592351  Ancistrocarphus filagineus L. C. Wheeler 1967-5-9 9414 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  RSA606945  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1946-9-2 6343 Los Angeles San Gabriel Mountains: West Fork San Gabriel Canyon, 0.5 mile W of Bear Creek. 518 Comment
  RSA0113904  Androsace elongata subsp. acuta LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7548 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
  SEINET10695263  Angelica Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2612 Los Angeles City of San Gabriel. Mitsuwa-Yaohan Market, 515 W. Las Tunas. Comment
  UCR132937  Anthemis cotula Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  CATA268  Anthemis cotula Mark L. Hoefs 1973-5-15 276 Los Angeles Santa Catalina Island: Above golf course #7 tee, Avalon Canyon 60 Comment
  LA210883  Anthemis cotula Arthur C. Gibson; 2009-5-25 5254 Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Peter Strauss. Comment
  RSA416829  Anthemis cotula M. B. Dunkle 1928-5-28 s.n. Los Angeles Avalon Canyon Comment
  HSC20470  Antirrhinum coulterianum C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Canyon Rd. off of Bouquet Canyon Rd. Comment
  POM354838  Antirrhinum coulterianum G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA0086829  Antirrhinum coulterianum R. G. Swinney 2011-6-14 15155 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. 1646 Comment
  RSA524980  Antirrhinum coulterianum Tim S. Ross, Steve D. Boyd 1990-6-6 2822 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  POM125866  Antirrhinum kelloggii C. F. Baker 1904-4-22 4172 Los Angeles Monrovia. Comment
  POM7673  Antirrhinum kelloggii Philip A. Munz, R. D. Harwood 1920-5-15 3949 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  UC26376  Antirrhinum kelloggii J. H. Barber 1897-3-28 110 Los Angeles Santa Monica Canyon Comment
  POM354861  Antirrhinum multiflorum I. M. Johnston 1917-6-20 s.n. Los Angeles San Antonio Canyon. 1067 Comment
Read comments
Sep 6 2010
  UC284143  Aphanisma blitoides P. A. Munz 1923-4-11 6774 Los Angeles low shore on w coast San Clemente Island Comment
  POM3370  Apiastrum angustifolium P. A. Munz 1918-4-16 2068 Los Angeles Claremont, Pomona College Campus Comment
  UCR155381  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2005-5-24 30265 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
  RSA151009  Apiastrum angustifolium P. H. Raven 1962-5-7 17584 Los Angeles San Clemente Island, 1 mile south of Wilson Cove 23 Comment
  UCR99473  Apocynum cannabinum Steve Boyd, Lauren Raz 1997-5-28 9842 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Cyn, south of Liebre Mtn. 939 Comment
  POM150410  Aquilegia formosa var. hypolasia C. F. Baker 1903-8-2 3673 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  SBBG125533  Arabis eschscholtziana A. Parikh, N. Gale 2010-6-15 3298 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1295 Comment
  LA41455  Arbutus menziesii W. R. Ernst; May 1948 sn Los Angeles Big Santa Anita Canyon Comment
  POM354170  Arceuthobium campylopodum L. E. Hoffman 1932-9-18 s.n. Los Angeles San Gabriel Mountains, Angeles Forest: Barley Flats. Comment
  UCR114212  Arctostaphylos A. C. Sanders, D. Malueg 1998-6-24 22075 Los Angeles San Gabriel Mtns., brushy SE facing slope on ridge c. 3.5 mi. NE of Big Tujunga Dam, just below VABM 'Wreck', So. Cal. Edison Mesa-Vincent transmission line at tower 10-4 1305 Comment
  RSA0034714  Arctostaphylos catalinae Meryl B. Dunkle 1928-12-27 2037 Los Angeles Hay Press, Santa Catalina Island. Comment
  RSA626832  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22121 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  CHSC35512  Arctostaphylos glauca James Henrickson 1979-5-23 18169 Los Angeles Ca 7 air miles N of Newhall in Dry Canyon; S of Dry Canyon Reservoir. 426 Comment
  RSA631420  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15703 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA631427  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20503 Los Angeles Chilao Campground. 1600 Comment
  RSA631589  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15959 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  UCR146264  Arctostaphylos glauca Orlando Mistretta, Mark Elvin 1995-3-30 1585 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains: Mill Creek Summit; on summit just west of Angeles Forest Highway on Pacific Crest Trail Comment
  CAS-BOT-BC46728  Arctostaphylos parryana Carl B. Wolf 1936-5-27 7850 Los Angeles San Gabriel Mts., Aliso Canyon to Buckhorn Flats Rd., Tie Camp summit. 1524 Comment
  UC1366115  Arctostaphylos parryana Jeannette L. Huber 1969-9-14 1036 Los Angeles c. 30 mi n Azusa; San Gabriel Mtns. 2286 Comment
  RSA634735  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20564 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634801  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20423 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
  RSA635098  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20358 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635145  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20559 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA748463  Arctostaphylos patula R. G. Swinney 2001-8-18 8050 Los Angeles Mt. Baden-Powell 2854 Comment
  UCR46134  Arenaria douglasii Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Hwy 2, west of Big Pines in vicinity of Dawson Saddle, at mile marker 56.54 2409 Comment
  UCR276824  Arenaria macradenia R. G. Swinney 2010-5-21 12877 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA549815  Arenaria macradenia var. arcuifolia Wandalee Thompson 1965-7-20 104 Los Angeles 20660 West Pine Canyon Road, south side of N-2, 10 miles west of Elizabeth Lake. 1097 Comment
  RSA230690  Arenaria macradenia var. arcuifolia R. F. Thorne, M. Z. Thorne 1969-7-10 38428 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood 1951 Comment
  CAS-BOT-BC174071  Arenaria paludicola Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Unspecified Comment
  POM342  Arenaria serpyllifolia I. M. Johnston 1918-4-25 1978 Los Angeles Claremont. 366 Comment
  SDSU634  Argemone munita Gerald Collier 1951-4-27 2832 Los Angeles US HWY 6 about 30 miles south of Palmdale. Comment
  CDA24533  Argemone munita subsp. rotundata T. C. Fuller 1963-6-25 10702 Los Angeles North side of Avenue D (Highway 138) to Lancaster, 0.9 mile east of 24th Street, 19.4 miles east of Gorman, west of Mojave Desert. 0 Comment
  POM244222  Artemisia californica F. R. Fosberg 1931-12-10 7156 Los Angeles Pebble [Pebbly] Beach Canyon, lf. fk. Santa Catalina Island. 20 Comment
  UCR117561  Artemisia californica A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23258 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 595 Comment
  LA200159  Artemisia douglasiana T. A. Geissman; 1967-9-16 TAG 91667 SY-AD Los Angeles Santa Monica Mountains, Santa Ynez Canyon, at Sunset Blvd 38 Comment
  UCR276757  Artemisia douglasiana R. G. Swinney 2010-8-11 13484 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  CAS-BOT-BC90338  Artemisia douglasiana A. J. McClatchie 1892-9-7 s.n. Los Angeles Arroyo Seco, Pasadena Comment
  RSA417270  Artemisia douglasiana F. R. Fosberg 1931-7-11 S- 5381 Los Angeles Santa Catalina Island. Cape Canyon. 220 Comment
  RSA417277  Artemisia douglasiana Robert Gustafson 1980-8-29 1889 Los Angeles Ballona wetlands, Area 1. in Area 1 but also present in areas 2-3. Comment
  SD233254  Artemisia dracunculus Jane Tirrell 2012-8-31 LS 170 Los Angeles Transverse Ranges: San Gabriel Mountains region: South side of California State Route 2 in culvert at mile marker 66;43, approx. 1.5 mi E of Islip Saddle. Culvert beside highway. 2224 Comment
  UCR126331  Artemisia dracunculus A. C. Sanders 2003-8-5 27110 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UC205761  Artemisia ludoviciana subsp. incompta Geo. B. Grant 1904-8-1 68 a Los Angeles Pasadena Comment
  UC1190081  Artemisia tridentata H. J. Thompson 1951-1-1 1424 Los Angeles 1 mi e Newhall Ranch (along Highway #126, near where Castaic River joins the Santa Clara River); Castaic River 289 Comment
  CAS-BOT-BC97274  Artemisia tridentata subsp. parishii J. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley Comment
  RSA417400  Artemisia tridentata subsp. tridentata L. E. Hoffman 1934-7-24 s.n Los Angeles Holcomb Creek, Angeles National Forest, San Gabriel Mts. Comment
  RSA177676  Arthrocnemum subterminale R. F. Thorne, Percy C. Everett 1965-5-11 s.n. Los Angeles Santa Catalina Island, Little Harbor. 2 Comment
  UCR186064  Asclepias californica T. B. Salvato, M. A. Hasskamp 2006-4-24 1344 Los Angeles Tehachapi Mtns Foothills, c. 4 mi east of Quail Lake and 0.5 mi north of Hwy 138 976 Comment
  CATA3448  Asclepias fascicularis Benjamin J. Dion, Stuart Olshevski, Tobias Nickel 2017-6-26 030 Los Angeles Santa Catalina Island: Channel Side; drainage above and across the road from Howland's Landing 39 Comment
  LA81925  Asclepias fascicularis O. H. Kappler; 1940-6-9 48 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCSB4941  Asclepias fascicularis Haller, John 1960-7-22 Los Angeles North side of Calif. 138, 0.6 miles east of U.S 99, 1.5 miles east of Gorman 1127 Comment
  RSA401113  Asclepias vestita Robert Gustafson, Christopher Davidson 1977-4-20 418 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  RSA401114  Asclepias vestita Anstruther Davidson 1893-7-4 1940 Los Angeles Rock Creek. Comment
  UCR193454  Asclepias vestita R. G. Swinney 1999-6-18 7290 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  CDA2679  Asphodelus fistulosus T. S. Ross, Elizabeth A. Kellogg 1992-4-13 6137 Los Angeles Channel Islands; San Clemente Island; San Clemente Island: North head of the island, off the E end of the active runway. Elev. ca. 140 ft. Comment
  LA94118  Aspidotis californica Lawrence L. Kiefer; 1966-4-10 1845 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, ca 2 mi S of Mulholland Hwy on W-side. 304 Comment
  RSA623472  Aster greatae L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mountains: Graveyard Canyon. Comment
  UCR219929  Aster subulatus R. G. Swinney 2009-4-17 10386 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  RSA0048389  Astragalus antisellii A. Lee Haines 1964-5-8 s.n. Los Angeles Woodland Hills. 304 Comment
  UCR190752  Astragalus bicristatus R. G. Swinney 1999-7-5 7509 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  UC397264  Astragalus didymocarpus Geo. B. Grant Mar 1903 78 Los Angeles Garvanza Comment
  CAS-BOT-BC182304  Astragalus didymocarpus var. didymocarpus Geo. B. Grant 1903-3-1 78 Los Angeles Garvanza Comment
  RSA569415  Astragalus douglasii var. douglasii B. C. Templeton 1933-5-15 5124 Los Angeles Ranger Station, Big Pines Park, San Gabriel Mountains. 2088 Comment
  RSA90228  Astragalus douglasii var. parishii F. W. Peirson 1922-7-6 4753 Los Angeles Swartout Valley region. Big Pines, north side of San Gabriel Mtns. 2073 Comment
  CHSC42318  Astragalus gambelianus Robert L. Dressler 1952-5-31 1221 Los Angeles Along trail from Miller Camp (lower Dalton Canyon) to Johnstone Peak, San Gabriel Mountains. Comment
  UCR186893  Astragalus lentiginosus A. C. Sanders 2006-4-14 32054 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA415565  Astragalus lentiginosus var. variabilis Fay A. MacFadden 1931-03 2962 Los Angeles Near Llano, Mojave Desert. Comment
  SD85144  Astragalus miguelensis E. R. Blakley 1962-6-9 5192 Los Angeles San Clemente Island, China Point, sandy loam soil 3 Comment
  UC557630  Astragalus miguelensis Nell Murbarger 1936-4-1 115 Los Angeles w side and s end San Clemente Island (in warm sandy locations near the ocean); w side and s end San Clemente Island Comment
  SD51878  Astragalus nevinii Peter H. Raven 1962-5-8 17624 Los Angeles San Clemente Island, near western shore of island opposite Wilson Cove, on sandy slope Comment
  POM128983  Astragalus trichopodus F. M. Reed 1909-7-2 2808 Los Angeles Pebbly Beach Road, Santa Catalina Island 15 Comment
  UCR91361  Astragalus trichopodus Scott D. White 1995-3-15 2564 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  POM2564  Astragalus trichopodus P. A. Munz 1918-4-19 2273 Los Angeles Pomona Comment
  RSA545260  Astragalus trichopodus var. lonchus D. Propst, Mark Hoefs 1973-3-3 13 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 304 Comment
  SBBG17959  Astragalus trichopodus var. lonchus E. R. Blakley 1963-4-10 5572 Los Angeles NE side of Black Jack Mtn 396 Comment
  SBBG38920  Astragalus trichopodus var. lonchus E. R. Blakley 1963-4-7 5508 Los Angeles N slope of ridge between Little Harbor and Cottonwood Cyn 45 Comment
  RSA0029480  Astragalus trichopodus var. lonchus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3026 Los Angeles Santa Catalina Island: Lower Fern Canyon. 195 Comment
  SFV1784  Astragalus trichopodus var. phoxus Cheechako 1961-3-26 s. n. Los Angeles San Gabriel Mountains Roadside of Sierra Highway in Soledad - Mint Canyons junction. Comment
  CAS-BOT-BC199082  Astragalus trichopodus var. phoxus Peter H. Raven; Henry J. Thompson 1959-5-5 14158 Los Angeles Malibu Canyon 3.0 miles south of Tapia Park - Santa Monica Mountains 91 Comment
  POM9532  Astragalus trichopodus var. phoxus P. A. Munz, R. D. Harwood 1920-5-17 3994 Los Angeles Topango Canon [now Topanga Canyon], Santa Monica Mountains. 213 Comment
  CATA1667  Astragalus trichopodus var. trichopodus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-17 2956 Los Angeles Santa Catalina Island: Mouth of Silver Canyon, 1/16 to 1/8 mile from beach 9 Comment
  CAS-BOT-BC17508  Athysanus pusillus Timothy S. Ross; Darin Banks 1994-4-12 7469 Los Angeles Liebre Mountains. San Francisquito Canyon. 542 Comment
  UCR247553  Atriplex amnicola R. E. Riefner Jr. 2013-1-5 13- 9 Los Angeles South Coast, Dockweiler State Beach, vicinity of Vista Del Mar Blvd at Imperial Hwy 14 Comment
  UC557718  Atriplex argentea var. mohavensis Nell Murbarger May, 1936 222 Los Angeles extreme northern end San Clemente Island (on sand dunes); extreme northern end San Clemente Island Comment
  RSA139590  Atriplex californica Reid V. Moran 1958-9-18 6853 Los Angeles San Clemente Island. 1.7 miles SE of Eel Point 10 Comment
  SDSU5544  Atriplex californica R. M. Beauchamp 1967-1-27 111 Los Angeles San Clemente Island. Comment
  UC110271  Atriplex californica Katharine Brandegee 1893-10-15 Los Angeles Redondo Comment
  RSA155902  Atriplex californica P. H. Raven 1962-4-9 17158 Los Angeles near barracks, Wilson Cove, San Clemente Island 61 Comment
  RSA233612  Atriplex californica R. F. Thorne 1970-3-6 39387 Los Angeles Santa Catalina Island. Above Cotton Canyon Beach. 8 Comment
  UCR146684  Atriplex canescens Scott D. White 2004-7-27 10622 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  CAS-BOT-BC168276  Atriplex canescens var. canescens Vernon Bailey 1907-10-20 s.n. Los Angeles San Pasqual Valley Comment
  UC1601677  Atriplex confertifolia Katharine Brandegee Los Angeles Lancaster Comment
  CHSC101741  Atriplex glauca R. E. Riefner Jr. 2008-12-27 08 -386 Los Angeles City of Malibu, ocean bluff W of El Matador State Park. UTM: 11S 0326443E 3767999N. 3 Comment
  CAS-BOT-BC26321  Atriplex johnstonii Carl B. Wolf 1930-12-23 1821 Los Angeles at Playa del Rey. Upper Sonoran Zone. 30 Comment
  CAS-BOT-BC170121  Atriplex lentiformis Alice Eastwood 1919-7-4 9294 Los Angeles Santa Monica Canyon Comment
  RSA303591  Atriplex lentiformis subsp. breweri J. R. Shevock 1972-11-30 2294 Los Angeles Point Dume. 3 Comment
  UC56773  Atriplex lentiformis subsp. lentiformis Ernest Braunton Oct 1902 710 Los Angeles Ballona Comment
  POM246812  Atriplex leucophylla F. R. Fosberg 1931-5-18 S- 4894 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  CAS-BOT-BC176528  Atriplex polycarpa Le Roy Abrams; E. A. McGregor 1908-6-24 421 Los Angeles Willow Springs, Antelope Valley 853 Comment
  UCR178782  Atriplex semibaccata R. G. Swinney 1989-9-11 s.n. Los Angeles San Gabriel Mtns. Foothills, Glendora, east end of South Hills, at end of High Country Drive 305 Comment
  RSA65394  Atriplex semibaccata F. W. Peirson 1928-1-14 7685 Los Angeles Vacant field east of Norwalk Insane Asylum. Comment
  UC483216  Atriplex watsonii L. R. Abrams and I. L. Wiggins 1931-7-7 398 Los Angeles Santa Catalina Island Channel Islands, , Catalina Harbor (Catalina Harbor) Comment
  CHSC8363  Avena barbata Edward L. Smith 1957-5-21 51 Los Angeles Pomona College, Claremont. 365 Comment
  POM1164  Avena barbata C. F. Baker 1909-4-20 5281 Los Angeles Claremont. 365 Comment
  RSA150922  Avena barbata P. H. Raven 1962-4-11 17290 Los Angeles San Clemente Island: beach behind Northwest Harbor 3 Comment
  RSA614152  Avena barbata J. Gural 1997-3-8 19 Los Angeles Bernard Field Station of the Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard., 34 deg 06'39N, 117 deg 42'48W. 412 Comment
  RSA0034602  Avena barbata M. B. Dunkle 1938-3-31 1792 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  RSA385396  Avena fatua Heil 1931-7-16 s.n. Los Angeles Los Angeles. Comment
  SFV21766  Avena fatua L. Gross 2001-3-31 365 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 old road above Sunset Canyon. 396 Comment
  CAS-BOT-BC68353  Azolla filiculoides Michael R. Benedict 1970-6-27 s.n. Los Angeles Santa Catalina Island - Lower Cape Canyon, stream under large wooden bridge. Comment
  POM350331  Baccharis emoryi F. R. Fosberg 1930-10-18 4109 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  IRVC4809  Baccharis glutinosa Carl Epling, Lincoln Ellison 1929-4-27 Los Angeles Topango [sic] Canyon. Santa Monica Mountains Comment
  RSA598267  Baccharis glutinosa R. G. Swinney 1989-11-24 1492 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon area. 0.4 mi. E of Glendora Mountain Road on Big Dalton Canyon Road. 365 Comment
  RSA522972  Baccharis pilularis Timothy S. Ross 1991-2-23 4083 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 293 Comment
  UCR157902  Baccharis pilularis Robert J. Steers 2005-5-8 21 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  UCR88681  Baccharis pilularis Scott D. White 1995-10-19 3695 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR95779  Baccharis pilularis Lauren Raz, Steve Boyd 1996-10-23 017 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  SD144062  Baccharis salicifolia Scott D. White 1997-3-12 4754 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  UCR198328  Baccharis salicifolia Gary Kovnat, LeRoy Gross 2003-1-19 04 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace east meadow gully Comment
  JEPS31166  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-4-18 6970 Los Angeles at Oso Corrals (Oso Canyon, Tejon Ranch); Oso Canyon 1005 Comment
  LA50822  Bassia hyssopifolia A. M. Johnson; 1932-5-14 4068 Los Angeles Santa Monica Mountains, mouth of canyon, Pacific Palisades Comment
  UC483195  Bergerocactus emoryi L. R. Abrams and I. L. Wiggins 1931-7-6 420 Los Angeles San Clemente Island; San Clemente Island, vicinity of Mosquito Harbor Comment
  SD52883  Beta vulgaris subsp. maritima Peter H. Raven 1962-5-7 17581 Los Angeles San Clemente Island; just above coast 1.0 mile south of Wilson Cove. 6 Comment
  CDA10521  Bidens laevis J. B. Cook, C. Siebe 1960-7-1 Los Angeles West side of Rosemead, just opposite weir on Legg Lake. 0 Comment
  CAS-BOT-BC101998  Bidens pilosa Peter Raven 1956-6-17 9406 Los Angeles Westwood, Los Angeles Comment
  OBI2624  Bituminaria bituminosa Wesley O. Griesel 1962-5-28 620 Los Angeles Fire rd W of lower Millard Cyn; San Gabriel Mts 610 Comment
  SFV670  Bloomeria crocea K. A. Wilson 1961-4-22 1150 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. 610 Comment
  SFV671  Bloomeria crocea R. L. Armacost Apr 1934 s. n. Los Angeles Santa Monica. Vacant hillside. Comment
  RSA367310  Bloomeria crocea var. crocea L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA367317  Bloomeria crocea var. crocea Anonymous 1930-5-27 1465 Los Angeles Mulholland Drive. 300 Comment
  RSA0125911  Boechera Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3959 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W., (West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10) 1390 Comment
  LA34164  Bolboschoenus robustus Peter H. Raven; 1959-9-6 14372 Los Angeles 6 Comment
  SEINET11166924 Image available Bougainvillea spectabilis Unknown 1988-10-23 Los Angeles Long Beach Comment
  RSA741020  Brassica fruticulosa Justin M. Wood, Brandy Wood 2009-1-2 270 Los Angeles Evey Canyon, trail to Potato Mtn. 683 Comment
  UCR178379  Brassica geniculata LeRoy Gross 2003-3-9 785 Los Angeles Transverse Ranges: San Rafael hills, (Verdugo Mountains Flora), Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south 357 Comment
  UCR258811  Brassica geniculata R. G. Swinney 2010-5-25 12965 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
  UCR256844  Brassica nigra R. G. Swinney 2010-6-8 13201 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  CAS-BOT-BC100399  Brickellia californica W. R. Dudley 1907-12-1 s.n. Los Angeles Monrovia Comment
  CAS-BOT-BC106216  Brickellia desertorum W. R. Dudley 1907-12-1 s.n. Los Angeles Near Monrovia Comment
  RSA330765  Brickellia microphylla Wayne E. Sawyer 1981-8-30 139 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 1.6 miles from Dawson Saddle. 2302 Comment
  POM4594  Brickellia nevinii C. F. Baker 1903-10-10 3731 Los Angeles San Antonio Canon [canyon] near Claremont. Comment
  RSA703516  Brickellia nevinii Michael Honer 2004-6-22 2010 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  SBBG32101  Brodiaea jolonensis R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -204 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  RSA232814  Brodiaea kinkiensis Robert F. Thorne 1966-4-17 36089 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 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
  RSA594454  Bromus carinatus D. L. Banks 1996-3-25 865 Los Angeles Claremont; Oakwood Apartments; 580 S. Bucknell Avenue; W side of street across from the Apartment complex. On disturbed ground between the sidewalk and school playground. Comment
  SEINET901504  Bromus carinatus Tim Ross, Steve Boyd 1990-1 3489 Los Angeles Camp Verdugo Pines and vicinity; Northerly draw draining to Jackson Lake; Mescal Creek 7.5; (QUAD); Rancho Santa Ana Botanic Garden 1877 Comment
  SBBG131530  Bromus catharticus S. A. Junak 1999-7-17 SCa 1069 Los Angeles W end of "Rig Field" 213 Comment
  CATA724  Bromus diandrus Mark L. Hoefs 1991-5-18 1233 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  UCSB355  Bromus diandrus Albright, S. 1957-5-20 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  UCD58632  Bromus grandis L. R. Abrams 1902-6-29 2600 Los Angeles Summit of Mt. Wilson. Comment
  SEINET10520219  Bromus grandis F. R. Fosberg 1932-6-18 Fosberg 8509 Los Angeles Hogback, San Antonio Cass. Con. floor. 1300 Comment
  SBBG38836  Bromus hordeaceus M. B. Dunkle 1939-4-4 7254 Los Angeles Pyramid Cove Comment
  UCR220373  Bromus hordeaceus R. G. Swinney 2009-4-16 10361 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  CAS-BOT-BC162338  Bromus madritensis Steven A. Junak 1997-4-24 SCI- 873 Los Angeles San Clemente Island. West side of flats just south of Wall Rock Canyon. 198 Comment
  SBBG118870  Bromus madritensis S. D. White with P. De Vries 2004-5-18 10411 Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  LA91604  Bromus madritensis subsp. rubens Bruce Douglas Clayton; Greg Shaw 1972-4-7 81 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, Upper Temecal and Rustic Canyons. 487 Comment
  SBBG128298  Bromus madritensis subsp. rubens M. L. Hoefs 1991-4-8 1073 Los Angeles side cyn (Rattlesnake Cyn) of upper Avalon Cyn 146 Comment
  RSA600353  Bromus pseudolaevipes Steve Boyd, Lauren Raz 1997-5-28 9886 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  LA105337  Bromus rubens Barry A. Prigge; 1989-4-23 8413 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  POM363930  Bromus rubens T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  POM363937  Bromus rubens Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  SEINET3196466 Image available Bromus rubens R. G. Swinney 2009-4-2 10248 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. (Valyermo 7.5' Q.) 1223 Comment
  UCR205915  Bromus rubens R. G. Swinney 2008-5-5 8750 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR51321  Bromus rubens A. C. Sanders 1988-2-3 7606 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  SEINET4404394  Bromus rubens G. B. Grant 1904-5-10 727 b Los Angeles Pasadena Comment
  SEINET254496 Image available Bromus sterilis A. C. Sanders 2005-5-11 30157 Los Angeles Western San Gabriel/Liebre mountains. Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Road, northwest of Forest Park between Mint and Bouquet Canyons. 610 Comment
  UCR273762  Bromus tectorum R. G. Swinney 2011-5-10 14635 B Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  CATA3502  Caesalpinia spinosa Julia Parish, Peter Dixon 2017-8-22 032 Los Angeles Santa Catalina Island: Black Jack Campground, SW hillside among pines 465 Comment
  LA200783  Calandrinia breweri Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA0038711  Calandrinia breweri R. G. Swinney 2010-3-22 12004 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
  RSA733726  Calandrinia breweri R. G. Swinney 2000-5-6 7670 Los Angeles San Gabriel Mtns.: c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage. 732 Comment
  UC57617  Calandrinia ciliata J. H. Barber 1897-2-1 40 Los Angeles Santa Monica Forestry Station Comment
  RSA151220  Calandrinia ciliata P. H. Raven 1962-4-10 17198 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA608644  Calandrinia ciliata L. C. Wheeler 1931-3-8 s.n. Los Angeles Fischer s, [Vicinity of Claremont]. Comment
  RSA177739  Calandrinia maritima R. F. Thorne, Percy C. Everett 1965-5-11 34586 Los Angeles Little Harbor, Santa Catalina [Island] Comment
  LA6442  Calocedrus decurrens Carl Epling; October 1926 sn Los Angeles San Gabriel Mountains, Manker Flats [near Mt Baldy] Comment
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Nov 6 2014
  CAS-BOT-BC492126  Calochortus albus Robert F. Thorne; A. C. Gibson 1971-5-22 39764 Los Angeles Fish Canyon; San Gabriel Mts., Angeles National Forest 396 Comment
  RSA347520  Calochortus catalinae B. A. Prigge 1986-3-19 6931 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  RSA377289  Calochortus catalinae C. Epling, L. Ellison 1930-3-28 s.n. Los Angeles Las Flores Canyon. Santa Monica Mountains. Comment
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Oct 3 2014
  RSA716545  Calochortus catalinae Andrea Edwards, Pam De Vries, David Hughes 2006-4-18 120 Los Angeles Calabasas USGS quad; in Dayton Canyon within preserved open space area. 366 Comment
  RSA758003  Calochortus clavatus var. gracilis D. E. Bramlet, Jennifer S. Pareti 2008-5-6 4251 Los Angeles Bouquet Cyn, 854 m SE of Bouquet Cyn Rd & 579 m S of Hayfork Road. Comment
  RSA0031453  Calochortus plummerae Orlando Mistretta, Christine Mistretta 2008-6-4 2537 -a Los Angeles Southern California Edison transmission line corridor (Segment 6, Impact area 8 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1233 Comment
  CAS-BOT-BC493411  Calochortus splendens Williams; Street; Munz 1919-5-3 2625 Los Angeles Santa Ana River Canon Comment
  SEINET12044550  Calochortus splendens F. R. Fosberg 1931-1 54690 Los Angeles Santa Catalina Island, SE slopes of Black Jack Mt 350 Comment
  VVC2908  Calochortus striatus Tim Thomas 2014-5-4 6299 Los Angeles Mojave Desert, North Lancaster; 0.3 mi NE of Sierra Hwy & W Ave H intersection 713 Comment
  SEINET12054007  Calochortus weedii C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  RSA0110204  Calyptridium monandrum Richard G. Swinney 2011-5-16 14750 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. and FS Rd. 3N19 (along Big Tujunga Cyn.), c. 450 ENE of lodge in center of camp. 1375 Comment
  UCR280894  Calyptridium monandrum R. G. Swinney 2014-5-7 16411 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  RSA584971  Calystegia longipes T. S. Ross 1990-6-1 2757 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  UCR215150  Calystegia macrostegia Kimberly Doughty, Darran Doughty 2008-5-24 02 Los Angeles Baldwin Hills, Los Angeles, Kenneth Hahn Park 88 Comment
  CAS-BOT-BC224313  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1967-1-27 108 Los Angeles On slope east of Wilson Cove area. San Clemente Island Comment
  LA33940  Calystegia macrostegia subsp. cyclostegia Peter H. Raven; 1959-2-23 13794 Los Angeles Santa Monica Mountains, Potrero Valley, 1.9 mi. from N Potrero Road, on Potrero Road to Hidden Valley 274 Comment
  LA91408  Calystegia macrostegia subsp. cyclostegia Greg Clayton; Greg Shaw 1972-3-16 sn Los Angeles Santa Monica Mountains, Mountain Park Research Campus, on firebreak E of canyon overlook 594 Comment
  UCSB45206  Calystegia macrostegia subsp. cyclostegia Batson, J. 1979-2-24 Los Angeles End of Trancas Canyon Road near Malibu, CA 91 Comment
  RSA394870  Calystegia macrostegia subsp. intermedia T. S. Clare 1929-2-24 s.n. Los Angeles Santa Monica Canyon. Comment
  RSA647793  Calystegia macrostegia subsp. intermedia LeRoy Gross, Laura Moore 2000-6-5 210 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
  RSA71099  Calystegia macrostegia subsp. intermedia F. W. Peirson 1920-4-22 151 Los Angeles foothills east of Rubio Canyon 533 Comment
  RSA71120  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1919-6-14 497 Los Angeles Rock Creek. 1905 Comment
  UCR113673  Camissonia boothii subsp. decorticans L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mtns, Between Little Tujunga and Oliver Canyons 556 Comment
  RSA0038716  Camissonia californica R. G. Swinney 2010-3-22 11996 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
  UC1871173  Camissonia campestris subsp. campestris T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4840 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
  RSA72249  Camissonia claviformis subsp. claviformis F. W. Peirson 1926-4-27 6664 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  UC1594365  Camissonia confusa Tim Ross 1992-5-17 6339 Los Angeles center w side of the San Gabriel Reservoir San Gabriel Mountains (short easterly spur canyon along Hwy 39) 463 Comment
  RSA593458  Camissonia graciliflora Steve Boyd 1996-4-24 8637 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  UCR199962  Camissonia hirtella Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1148 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 427 Comment
  RSA587990  Camissonia hirtella Orlando Mistretta, T. S. Ross 1994-6-1 1305 Los Angeles San Gabriel Mountains, Santiago Canyon. 1601 Comment
  POM49677  Camissonia lewisii L. R. Abrams 1901-4-1 1192 Los Angeles Ballona Harbor. Comment
  POM50608  Camissonia lewisii L. R. Abrams 1899-03 300 Los Angeles Ballona Harbor Comment
  HSC87157  Camissonia micrantha Steve Boyd, T. S. Elias 1987-4-14 2034 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  RSA608317  Camissonia micrantha Louis C. Wheeler 1930-5-24 44 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA791758  Camissonia micrantha J. George 2011-7-19 s.n. Los Angeles South Coast: Palos Verdes Estates, east of end of Via Tejon at Malaga Dune. 62 Comment
  RSA702960  Camissonia pallida Scott D. White, Michael Honer 2004-3-30 9972 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  UCR281154  Camissonia pallida R. G. Swinney 2014-4-30 16250 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
  RSA454096  Camissonia strigulosa Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  UCR110898  Camissonia strigulosa A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22005 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR261776  Camissonia strigulosa R. G. Swinney 2010-5-11 12675 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  SDSU21255  Camissoniopsis bistorta S. H. Bullock 1968-4-6 47 Los Angeles Claremont, north of Foothill Blvd. between Dartmouth and College Aves. 366 Comment
  UCD103418  Camissoniopsis bistorta Gerald Dickinson 1962-4-1 5 Los Angeles Vanowen and Coldwater Canyon, San Fernando Valley. 232 Comment
  SBBG19140  Camissoniopsis guadalupensis subsp. clementina M. A. Piehl 1963-12-8 631101 Los Angeles sand mound near beach just E of mouth of Horse Beach Cyn, E base of China Pt 3 Comment
  LA46799  Camissoniopsis intermedia Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCD103573  Camissoniopsis micrantha Louis C. Wheeler 1947-4-20 6468 Los Angeles San Gabriel Mountains. Kinneloa Canyon. Comment
  UC1871238  Camissoniopsis pallida subsp. pallida T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4948 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  SD1967  Cardamine Ruth B. Randall 1928-8-1 246 Los Angeles Big Tejunga Canyon. Comment
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Jul 10 2010
  LA51502  Cardamine californica O. H. Kappler; 1946-4-6 1078 Los Angeles Santa Monica Mountains, Hidden Valley, French Ranch, W of Lake Sherwood 304 Comment
  SD232637  Cardaria pubescens A. C. Sanders, E. J. Lott 1993-5-6 13969 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F. 701 Comment
  CATA1262  Carduus pycnocephalus Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2347 Los Angeles Santa Catalina Island: Near junction of Empire Landing Road and road to Two Harbors 207 Comment
  RSA0087087  Carduus pycnocephalus R. G. Swinney 2010-5-4 12563 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  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
  RSA0097141  Carex alma R. G. Swinney 2011-6-20 15216 Los Angeles San Gabriel Mountains: southeast margin of Crystal Lake, 10-30 meters from water line. 1692 Comment
  UC1595251  Carex alma Tim Ross and Peter Fritsch 1990-6-20 3637 Los Angeles mouth of Burron Canyon near confluence of the E and W Forks of San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
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Nov 3 2010
  POM21250  Carex hassei Phillip A. Munz 1923-5-25 6808 Los Angeles Big Rock Creek, San Gabriel Mts. Wash among willows. 1280 Comment
  RSA609252  Carex multicaulis L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1249 Comment
  CAS-BOT-BC117939  Carex schottii George Bernard Grant 1904-4-5 3592 Los Angeles Pasadena Comment
  SEINET11633224  Carex spissa H. E. Hasse 1888-1 Los Angeles Comment
  RSA364782  Carex triquetra Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SEINET10625714  Carica papaya Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3770 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  UCSB46773  Cassia nemophila Carlos D. Jativa 1971-10-27 2275 Los Angeles collected in Los Angeles Arboretum Los Angeles Arboretum Comment
  RSA425863  Castilleja affinis Bonnie C. Templeton 1968-2-25 11389 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  SBBG66933  Castilleja affinis F. R. Fosberg 1932-5-5 8106 Los Angeles hill N of Avalon 40 Comment
  CATA1908  Castilleja affinis subsp. affinis Amy Catalano 2014-1-21 005 Los Angeles Santa Catalina Island: Skull Canyon and Middle Ranch Road junction 213 Comment
  RSA733159  Castilleja applegatei subsp. martinii R. G. Swinney 1997-6-13 5592 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  UC1063030  Castilleja applegatei subsp. martinii Jerome S. Horton 1939-6-1 548 Los Angeles Fern Canyon; Cucamonga Quad. 1584 Comment
  IRVC28121  Castilleja exserta A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26278 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  RSA0044702  Castilleja foliolosa Valerie L. Soza, Steve D. Boyd, Leland Lubinsky 2000-6-29 1047 Los Angeles Liebre Mountains: Alongside FS Road 7N22.1, between Cold Canyon and Castaic Creek, 1.6 miles SE of junction of road to summit of Liebre Mountain (FS Rd 7N23) and road to Knapp Ranch (FS Rd 7N22.1). 1189 Comment
  SD114380  Castilleja foliolosa Darley F. Howe 1947-5-4 1574 Los Angeles Dry hillside, Mint Canyon Comment
  UCR124762  Castilleja foliolosa B. C. Templeton, I. W. Clokey 1930-4-8 1060 Los Angeles San Gabriel Mtns., 1 mile north of Elizabeth Lake 976 Comment
  CAS-BOT-BC243785  Castilleja gleasoni Rimo Bacigalupi 1953-6-15 4204 Los Angeles On slopes just below summit of Mt. Gleason, 16.0 miles east of beginning of Mendenhall Ridge Forest Service Road, Angeles National Forest 2103 Comment
  CAS-BOT-BC243786  Castilleja hololeuca Alice Eastwood 1917-7-20 6511 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC32649  Castilleja martinii LeRoy Abrams 1901-7-10 1881 Los Angeles Wilson's Peak Comment
  UC166879  Castilleja minor subsp. spiralis unknown 1904-6-17 142 Los Angeles Pasadena Comment
  UC1922353  Castilleja minor var. spiralis Scott D. White 2004-8-20 10734 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. Comment
  LA209231  Castilleja plagiotoma Elizabeth Grant; 1937-5-8 sn Los Angeles Mint Canyon Comment
  RSA588138  Castilleja plagiotoma Orlando Mistretta 1994-5-23 1235 Los Angeles Little Rock Creek, drainage E of Creek and N of Forest Rd. 4N15. 1311 Comment
  RSA679965  Castilleja plagiotoma LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 848 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA0106732  Caulanthus amplexicaulis R. G. Swinney 2011-5-19 14789 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  CAS-BOT-BC38469  Caulanthus coulteri Raymond Lindholm 1961-3-26 s.n. Los Angeles Lake Elizabeth. Comment
  SBBG129109  Caulanthus coulteri S. Leatherman, J. Pareti 2014-4-17 Los Angeles Castaic Lake area in the Grasshopper Cyn Watershed, E of Interste 5 and W of the Castaic Lake Dam 1370 Comment
  UCR193699  Caulanthus lasiophyllus R. G. Swinney 1999-4-5 7045 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  CATA3290  Ceanothus arboreus Julie L. King 2017-3-3 68 Los Angeles Santa Catalina Island: About 700 meter down first major ridge from Silver Peak Rd. off Water Tank Rd., ridge heads in a SSE direction 0 Comment
  UC1204711  Ceanothus arboreus Huron H. Smith 1912-7-1 5167 Los Angeles summit Santa Cataline Island 548 Comment
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Jan 15 2015
  UC1281431  Ceanothus arboreus H. E. McMinn 1924-7-25 1313 Los Angeles Catalina Island Comment
  POM136654  Ceanothus crassifolius C. F. Baker 1904-2-17 4062 Los Angeles San Antonio Canyon. Comment
  RSA313424  Ceanothus crassifolius T. S. Elias 1984-4-29 8320 Los Angeles Angeles National Forest; San Gabriel Mountains. Along road to Baldy Camp 976 Comment
  RSA550409  Ceanothus crassifolius Tim S. Ross, Peter Fritsch 1990-6-20 3591 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  POM156317  Ceanothus cuneatus L. R. Abrams 1903-3-13 3128 Los Angeles San Gabriel Wash Near Azusa Comment
  RSA313423  Ceanothus integerrimus T. S. Elias 1984-4-29 8324 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  SFV16667  Ceanothus integerrimus P. Wilson, J. M. Albert 1996-6-12 3439 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 52.85, near Three Points. 1799 Comment
  CAS-BOT-BC50558  Ceanothus leucodermis C. F. Baker 1909-5-15 5346 Los Angeles Mts. near Claremont Comment
  RSA399755  Ceanothus leucodermis L. E. Hoffman 1931-11-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  UC457219  Ceanothus leucodermis Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabreil Mts. Comment
  UCR220368  Ceanothus leucodermis R. G. Swinney 2009-4-16 10351 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  CAS-BOT-BC83794  Ceanothus megacarpus D. O. Burge; D. Knapp; S. Ratay 2007-3-24 808 b Los Angeles Santa Catalina Island 405 Comment
  SBBG31407  Ceanothus megacarpus var. insularis R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-18 Los Angeles Salta Verde, ca. N of Salta Verde Pt 365 Comment
  CAS-BOT-BC51426  Ceanothus megacarpus var. megacarpus LeRoy Abrams 1902-6-17 2560 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  UC18366  Ceanothus megacarpus var. megacarpus Dr. A. Davidson 1895-1 Los Angeles Comment
  CAS-BOT-BC50462  Ceanothus oliganthus June Giddings s.n. Los Angeles Santa Anita Canyon Comment
  POM293303  Ceanothus oliganthus Lyman Benson 1945-3-25 11613 Los Angeles Big Dalton Canyon, Glendora 351 Comment
  CHSC26359  Ceanothus oliganthus var. oliganthus James Henrickson 1972-3-19 7175 Los Angeles 5 road miles along Angeles Crest Hwy 2 NE of La Canada. 853 Comment
  RSA642711  Ceanothus oliganthus var. oliganthus Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UCD112297  Ceanothus oliganthus var. oliganthus James Dilley 1997-2-8 s.n. Los Angeles Verdugo Mountains, in the San Fernando Valley. La Tuna Canyon Park about 1.2 miles up trail. 609 Comment
  CHSC108493  Celtis australis R. E. Riefner Jr. 2006-7-18 06 -304 Los Angeles City of Pasadena, San Rafael Hills, canyon in vicinity of Candeo Pl. and Wierfield Dr. UTM:11S 0391056E 3779872N. 319 Comment
  RSA0022527  Centaurea melitensis Duncan S. Bell, Caitlin Elam 2013-6-24 5252 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  UCR23288  Centaurea melitensis Kate Kramer 1981-5-31 53 Los Angeles Malibu Beach 7.5' Q., Malibu Creek State Park. 2 mi west of Las Virgenes & Mulholland Hwy intersection on Mulholland Hwy 275 Comment
  POM9681  Centaurium exaltatum F. W. Peirson 1921-7-2 2482 Los Angeles Pallett Creek, San Gabriel Mountains. 1098 Comment
  UC455475  Centaurium venustum unknown May 1903 Los Angeles Baldwin's Ranch Comment
  CAS-BOT-BC279111  Centromadia pungens subsp. laevis Grant 1901-7-17 s.n. Los Angeles Pasadena Comment
  SBBG60910  Centromadia pungens subsp. pungens R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  RSA579541  Centrostegia thurberi Tim S. Ross, S. D. Boyd 1994-6-23 8073 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1646 Comment
  UCR223834  Centrostegia thurberi R. G. Swinney 2009-6-17 11170 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR220374  Cerastium glomeratum R. G. Swinney 2009-4-16 10360 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA600888  Ceratonia siliqua L. C. Wheeler 1945-11-25 6166 Los Angeles San Marino. La Presa Drive, 1/2 block north of Huntington Drive. Comment
  SD181807  Ceratophyllum demersum Louis C. Wheeler 1946-8-24 6232 Los Angeles San Gabriel Mountains; Crystal Lake. 1676 Comment
  RSA405404  Cercis occidentalis Ora M. Clark 1928-11-6 1252 Los Angeles Elysian Park Comment
  LA52112  Cercocarpus betuloides var. betuloides A. M. Johnson; 1927-11-11 2702 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA587285  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd 1990-5-17 2563 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA596060  Cercocarpus betuloides var. betuloides Tim S. Ross, J. Mark Porter 1995-5-4 8429 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UCSB2743  Cercocarpus betuloides var. betuloides Gill, Robert 1959-3-24 Los Angeles Oak Flat Guard Station, Ridge Route 822 Comment
  UCSB2764  Cercocarpus betuloides var. betuloides Decker, Helen 1946-4-14 Los Angeles N.E. slope of Canyon, Arroyo Seco Canyon 1219 Comment
  SBBG27389  Cercocarpus betuloides var. blancheae C. B. Wolf 1932-5-10 3533 Los Angeles 100 yds SE of summit of equestrian trail back of Avalon 304 Comment
  UC212376  Cercocarpus betuloides var. blancheae G. B. Grant 1906-9-1 7164 Los Angeles Santa Catalina Island Comment
  RSA449447  Cercocarpus ledifolius Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon. 1250 Comment
  UCR189404  Cercocarpus ledifolius R. G. Swinney 1998-7-2 6196 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  POM602  Cercocarpus ledifolius var. ledifolius I. M. Johnston 1917-6-20 1485 Los Angeles Baldy Lookout of USFS. 2134 Comment
  CATA1781  Cercocarpus traskiae Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6921 Los Angeles Santa Catalina Island: Wild Boar Gully, at lower margin of large population of C. traskiae seedlings 187 Comment
  CAS-BOT-BC279517  Chaenactis artemisiifolia Samuel B. Parish 1887-6-1 1933 Los Angeles Glendale, near Los Angeles Comment
  LA88339  Chaenactis artemisiifolia O. H. Kappler; 1941-6-15 303 Los Angeles 548 Comment
  UCSB10330  Chaenactis artemisiifolia Bacigalupi, Rimo; Heckard, L. 1953-5-9 Los Angeles La Tuna Canyon, east of Sun Valley, north end of Verdugo Hills Comment
  RSA0013854  Chaenactis fremontii R. F. Thorne, Gary D. Wallace 1973-4-25 43374 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
  RSA595462  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross, Victor W. Steinmann 1995-5-8 8555 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UC75835  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant May 1902 165 Los Angeles Santa Anita Comment
  UCD130376  Chaenactis glabriuscula var. glabriuscula Daryl Koutnik; John Cuti 1978-4-19 382 Los Angeles Verdugo Mountains on fireroad above Stough Canyon. 762 Comment
  RSA598137  Chaenactis glabriuscula var. glabriuscula V. W. Steinmann, Timothy S. Ross 1995-5-8 667 Los Angeles Liebre Mountains, slopes between Leona Valley and 'Lost Valley' 1100 Comment
  POM12318  Chaenactis glabriuscula var. lanosa F. L. Robinson 1921-5-9 67 Los Angeles Claremont. 365 Comment
  RSA756993  Chaenactis santolinoides R. G. Swinney 2008-7-3 9149 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  UCR179967  Chaenactis stevioides R. G. Swinney 1996-5-27 4740 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  CDA10728  Chaenactis stevioides G. D. Barbe, T. C. Fuller 1973-4-6 1190 Los Angeles 4 miles south of Palmdale, 0.7 mile north of Pearblossom Highway on Sierra Highway. 0 Comment
  RSA249823  Chamaesyce albomarginata R. F. Thorne, Gary D. Wallace 1973-4-25 43391 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
  RSA499081  Chamaesyce albomarginata L. C. Wheeler 1934-5-1 2580 Los Angeles S. end Puddingstone Diversion channel, La Verne. 305 Comment
  POM2792  Chamaesyce melanadenia P. A. Munz 1918-4-11 2045 Los Angeles Glendora. Comment
  RSA498538  Chamaesyce melanadenia L. S. Rose 1934-12-26 34521 Los Angeles Rocky slopes. San Gabriel Mts. Comment
  UC56928  Chamaesyce serpyllifolia Miss E. D. Palmer July 1902 Los Angeles Claremont Comment
  RSA756892  Cheilanthes covillei Orlando Mistretta, Christine Mistretta 2008-4-7 2344 Los Angeles Along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge., (Segment 5, structure 48 per TRTP survey-2008) 1085 Comment
  RSA685729  Cheilanthes covillei E. Davis 1930-12-7 46 Los Angeles Bi Tujunga 762 Comment
  RSA158335  Cheilanthes newberryi Peter H. Raven 1962-4-12 17310 Los Angeles Narrow Canyon south of canyon below Tomb, west side of San Clemente Island 274 Comment
  CDA2984  Chenopodium album Steve Boyd 1990-10-2 5219 Los Angeles Grounds of Rancho Santa Ana Botanic Garden, Claremont. 0 Comment
  RSA423289  Chenopodium album E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  RSA736142  Chenopodium album Rosemarie zimmerman 1961-4-30 40 Los Angeles Blanchard Park, Pomona College 366 Comment
  RSA730186  Chenopodium album var. striatum R. G. Swinney 1998-9-4 6905 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  RSA620021  Chenopodium ambrosioides LeRoy Gross 1998-11-1 97 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga Wash. East of 210 freeway, city of Sunland. 366 Comment
  CDA2978  Chenopodium ambrosioides M. J. Helgeson 1961-8-3 Los Angeles 3759 Vinton Avenue, Los Angeles. 0 Comment
  RSA607520  Chenopodium ambrosioides L. C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: East Fork Big Santa Anita Canyon. 670 Comment
  UCR204053  Chenopodium berlandieri R. G. Swinney 2005-7-8 8275 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  UCR204054  Chenopodium berlandieri R. G. Swinney 2005-7-8 8276 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  RSA599485  Chenopodium californicum Steve Boyd, Lauren Raz 1997-3-26 9349 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCR223149  Chenopodium desiccatum R. G. Swinney 2009-7-22 11333 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR277248  Chenopodium fremontii R. G. Swinney 2010-9-30 13946 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
  RSA640509  Chenopodium fremontii L. C. Wheeler 1970-8-15 s.n. Los Angeles Pico and Figueroa St. Los Angleles. Comment
  CDA23385  Chenopodium hians G. C. Fleischman 1943-8-8 Los Angeles Highway San Gabriel Mountains to Palmdale. 0 Comment
  UCR258726  Chenopodium leptophyllum R. G. Swinney 2010-6-23 13353 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  SD252318  Chenopodium macrospermum Steven A. Junak 2000-10-12 Sca 1411 Los Angeles Santa Catalina Island: On N side of Thompson Reservoir. Drying S facing margins. 195 Comment
  RSA478525  Chenopodium multifidum Freda Detmers 1932-6-24 s.n. Los Angeles Los Angeles, McClintock at 34th St. Comment
  UCR138905  Chenopodium strictum var. glaucophyllum L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mtns, Mountain Brook Ranch 1159 Comment
  CAS-BOT-BC184879  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert. Antelope Valley. Gorman Highway 5 miles west of Highway 14. 1005 Comment
  RSA702967  Chlorogalum pomeridianum Scott D. White, Pam DeVries 2004-5-18 10407 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA773536  Chorizanthe brevicornu R. G. Swinney 2009-4-29 10563 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA65243  Chorizanthe procumbens F. W. Peirson 1919-5-20 446 Los Angeles Foot of Arroyo Seco Canyon, South base of San Gabriel Mountains 381 Comment
  LA52283  Chorizanthe staticoides Goerge R Smart; 1952-6-29 24 Los Angeles 609 Comment
  SEINET12765195  Chorizanthe staticoides Barbara Ertter 1988-5-23 7479 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2).; 0 Comment
  RSA579497  Chorizanthe watsonii Tim S. Ross, S. D. Boyd 1994-5-11 s.n. Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. 1500 Comment
  RSA727370  Chorizanthe watsonii R. G. Swinney 1998-5-16 6075 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA802567  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2011-7-1 5886 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  UCR206467  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato 2009-5-20 36844 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  RSA476626  Chrysolepis sempervirens Fred Burlew 1916-1 s.n. Los Angeles Mt. San Antonio Comment
  RSA630255  Chrysothamnus nauseosus subsp. consimilis Scott D. White, David E. Bramlet 1998-8-11 7054 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
  RSA589097  Chrysothamnus nauseosus subsp. hololeucus Orlando Mistretta 1994-9-13 1460 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  RSA600677  Chrysothamnus nauseosus subsp. hololeucus L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains : Sycamore Flat Campground; Big Rock Creek 1310 Comment
  RSA785285  Cirsium californicum Doris Bowers 1957-5-5 930 Los Angeles San Gabriel Mountains. 610 Comment
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Jan 27 2016
  CAS-BOT-BC280033  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
  RSA729725  Cirsium occidentale var. californicum R. G. Swinney 1999-6-18 7325 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  SBBG54808  Cirsium vulgare L. Hayden 1969-5-19 31 Los Angeles Pomona College Wash 335 Comment
  UCR125969  Cirsium vulgare A. C. Sanders, Mark Elvin 2002-6-19 25162 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
  RSA658412  Cirsium vulgare Erinn Wilson 1996-4-26 14 Los Angeles G Canyon on Cal Poly Campus Pomona. Comment
  RSA316338  Cistanthe monandra R. F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54950 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
  RSA466632  Cistanthe monosperma Fred Burlew 2994 Los Angeles Mount San Antonio Comment
  RSA747094  Cistus ladanifer A. C. Sanders, T. B. Salvato 2009-5-19 36832 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
  SEINET3158111  Citrus aurantium G. B. Grant 1901-1 186 Los Angeles Pasadena Comment
  UCR127243  Clarkia affinis Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2922 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  CAS-BOT-BC172252  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-6-2 1 Los Angeles 1/8 mile north of Newhall Tunnel 500 Comment
  LA45511  Clarkia cylindrica subsp. cylindrica Leo Boyo; 1953-5-14 sn Los Angeles Topanga Canyon, 12 mi. N of U.S. 101 Comment
  RSA631079  Clarkia epilobioides Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  IRVC29658  Clarkia purpurea Mark A. Elvin 2003-6-12 2945 Los Angeles Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road Santa Clarita Valley 366 Comment
  POM246439  Clarkia purpurea subsp. quadrivulnera F. R. Fosberg 1931-4-23 S- 4696 Los Angeles Santa Catalina Island. Hay Press 350 Comment
  UCD104939  Clarkia purpurea subsp. quadrivulnera Daryl Koutnik 1978-6-3 510 Los Angeles Mulholland Highway, east of Old Topanga Canyon and across from Calabasas High School. 304 Comment
  CAS-BOT-BC165500  Clarkia unguiculata L. R. Abrams 1917-7-8 6617 Los Angeles [Topango Canon] Topanga Canyon, Santa Monica Mts. Comment
  SDSU8704  Clarkia unguiculata Gerald Collier 1951-5-15 M 336 Los Angeles Open Field near Provosts Residnece, Just So. of sunset Blvd. UCLA campus. Comment
  UCR269112  Claytonia parviflora Orlando Mistretta, Christine Mistretta 2008-4-19 2491 Los Angeles San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, Impact Area 6 per TRTP Survey 2008), vicinity of Mill Creek summit 1524 Comment
  RSA725141  Claytonia parviflora subsp. parviflora Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 62 A Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UCR273296  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-5-10 14644 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  SD69498  Claytonia perfoliata subsp. mexicana Robert F. Thorne 1966-4-7 35963 Los Angeles Santa Catalina Island: bottom of canyon Cherry Valley 60 Comment
  UCD100788  Claytonia perfoliata subsp. mexicana Kenneth A. Wilson 1961-2-18 847 Los Angeles Santa Monica Mtns., Calabasas. Mulholland Hwy. Comment
  LA32194  Clematis lasiantha Henry J. Thompson; 1959-3-31 1916 Los Angeles Santa Monica Mountains, 1.1 mi SW of Seminole Hot Springs, about 2 mi SW of Cornell 396 Comment
  RSA585150  Clematis lasiantha Tim S. Ross, S. D. Boyd 1990-5-31 2735 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon 1220 Comment
  RSA713810  Clematis lasiantha Valerie L. Soza, Miriam Sidibeh 2003-3-26 1622 Los Angeles Western San Rafael Hills: Near junction of Ridge Motorway and Gladys Mtwy, off junction of Camino San Rafael and Flintridge Dr, SSW of Flint Peak. 564 Comment
  RSA589090  Clematis ligusticifolia Orlando Mistretta 1994-9-13 1469 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  UCR223246  Clematis ligusticifolia R. G. Swinney 2009-7-22 11366 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  POM93719  Cleome isomeris Marcus E. Jones 1902-6-27 s.n. Los Angeles Santa Catalina Island. Comment
  RSA65788  Cleomella obtusifolia F. W. Peirson 1933-5-13 10661 Los Angeles 12 miles south of Muroc. Comment
  LA52020  Collinsia heterophylla Henry J. Thompson; 1960-5-14 3061 Los Angeles Santa Monica Mountains, Saddle Peak, just E of peak 701 Comment
  POM294589  Collinsia heterophylla Lyman D. Benson 1945-5-11 11694 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  SBBG27282  Collinsia heterophylla I. W. Clokey with E. G. Anderson 1935-5-9 Los Angeles Pomona Hills Comment
  LA88614  Comarostaphylis diversifolia subsp. planifolia P. C. Everett; Robert F. Thorne 1965-6-24 35032 Los Angeles Santa Catalina Island, Santa Catalina Island: W slope of Orizaba Mt. near upper end of Escondido Canyon, near spring and water pipe line to Ranch Escondido 274 Comment
  RSA545249  Comarostaphylis diversifolia subsp. planifolia D. Propst, Mark Hoefs 1973-3-3 52 Los Angeles Santa Catalina Island: Lower Sweetwater Canyon. 183 Comment
  UC2052842  Constancea nevinii M. B. Dunkle 1939-4-6 7284 Los Angeles San Clemente Island, Mosquito Harbor. Comment
  SD181586  Convolvulus arvensis Valerie Soza, Kent Hughes 1999-6-4 472 Los Angeles San Gabriel Mountains, foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. Open flat grassland on ridgetop, in clay soil. 366 Comment
  UCR150924  Convolvulus arvensis Valerie Soza, Kent Hughes 1999-6-4 472 Los Angeles San Gabriel Mountains, Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 366 Comment
  UCR131425  Conyza bonariensis Alison Lipman 1998-6-1 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
  CAS-BOT-BC286120  Conyza canadensis F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles river bottom. Near Los Angeles Comment
  UCR261765  Conyza floribunda R. G. Swinney 2010-9-13 13829 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  RSA659876  Cordylanthus rigidus subsp. setiger Orlando Mistretta 1992-8-20 776 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. 1738 Comment
  LA52019  Cordylanthus rigidus subsp. setiger J. A. Ewan; 1929-8-17 3454 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, near Pt. Dume. Comment
  RSA599277  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-31 9413 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UC1536839  Coreopsis bigelovii G. H. True Jr. 1935-5-6 62 Los Angeles Neenach Antelope Valley, Neenach (between 3 points and highway) Comment
  UCR223167  Coreopsis bigelovii R. G. Swinney 2009-5-20 10811 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
  POM4859  Coreopsis californica Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles E end Antelope Valley. 762 Comment
  UC625045  Cornus glabrata F. R. Fosberg 1931-4-24 S 4679 Los Angeles Santa Catalina Isl., Hamilton Canyon 60 Comment
  RSA200011  Cornus stolonifera Wandalee Thompson 1968-9-5 s.n. Los Angeles Shake Canyon about 6 miles west of Lake Hughes. 1524 Comment
  RSA654657  Coronilla glauca Matt Brooks 1988-5-12 65 Los Angeles Hacienda Heights, Athel Dr. 0.2 miles east of its intersection with Oak Canyon Dr. Comment
  CATA3539  Cortaderia selloana Kristy Lanz, Benjamin J. Dion 2018-5-18 002 Los Angeles Santa Catalina Island: Interior; in drainage in Middle Cottonwood Canyon watershed 171 Comment
  SBBG127968  Cotoneaster pannosus B. E. Carter 2012-8-23 6979 Los Angeles Middle Ranch Cyn, at Pump Station 2 310 Comment
  POM362440  Cotula australis Samuel R. Tyson 1943-4-5 s.n. Los Angeles San Dimas Canyon 457 Comment
  RSA762351  Crassula connata R. G. Swinney 2009-3-6 10053 Los Angeles 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  SEINET3860069  Crassula connata R. G. Swinney 2009-4-19 10349 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: confluence of Van Tassel and San Gabriel canyons, 1.3 miles north of Foothill Blvd. , on both side of El Encanto Parkway.; 0 183 Comment
  UCD101849  Crassula connata A. C. Sanders 2003-4-29 26160 Los Angeles Western San Gabriel Mtns; Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Road. 396 Comment
  CAS-BOT-BC427728  Crassula connata Cecil Hart 1927-3-7 s.n. Los Angeles Montebello, Los Angeles Comment
  UC831109  Crassula connata var. erectoides F. R. Fosberg 1931-3-20 S 4313 Los Angeles mouth of Hamilton Canyon; Santa Catalina Isl., Hamilton Canyon 2 Comment
  RSA423446  Crassula connata var. erectoides E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  RSA423437  Crassula connata var. subsimplex Reid V. Moran 1941-2-19 568 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  RSA624462  Crassula tillaea L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco between El Prieto and Fern Canyon. 373 Comment
  UCR193172  Crepis nana R. G. Swinney 1999-8-14 7619 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 1.3 air mi. ESE of Upper Fish Fork Campground 2268 Comment
  RSA177803  Cressa truxillensis R. F. Thorne, P. C. Everett, K. Thorne 1965-5-11 34591 Los Angeles Santa Catalina Island. N side of N cove of Little Harbor. 5 Comment
  RSA397728  Crossosoma californicum F. H. Elmore 1939-3-1 437 Los Angeles Santa Catalina Island Comment
  UC11996  Crossosoma californicum Blanche Trask 1896-1 Los Angeles Avalon Santa Catalina Island Comment
  RSA479362  Croton californicus L. E. Hoffman 1932-8-18 s.n. Los Angeles El Segundo. Comment
  SD31180  Croton californicus Edith A. Purer 1931-3-26 966 Los Angeles Palos Verdes Hills. Comment
  UCD141940  Croton californicus Daryl Koutnik 1978-4-28 419 Los Angeles Point Dume near Zuma Beach. 45 Comment
  POM87040  Croton californicus var. tenuis Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  UCR223237  Cryptantha circumscissa R. G. Swinney 2009-5-27 10880 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  JEPS127385  Cryptantha clevelandii Robert Steers 2004-12-23 Los Angeles Palos Verdes Peninsula. Rancho Palos Verdes. Comment
  UCR68941  Cryptantha clevelandii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4253 A Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UCR127244  Cryptantha corollata Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2921 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  SBBG127074  Cryptantha decipiens A. Parikh, N. Gale 2011-6-16 3476 Los Angeles Aliso Cyn, 1.5 km W of Angeles Forest Hwy, 0.1 km S of Aliso Cyn Rd; San Gabriel Mtns 1095 Comment
  JEPS18520  Cryptantha intermedia Rimo Bacigalupi 1957-5-12 5878 Los Angeles 0.25 mi above U.S. Army Nike launching site (on slopes above Las Flores Canyon (on so-called Malibu Burn)); Santa Monica Mts. 274 Comment
  RSA599787  Cryptantha intermedia Steve Boyd, Lauren Raz 1997-3-25 9280 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA647794  Cryptantha intermedia LeRoy Gross, Laura Moore 2000-6-5 203 a 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
  RSA724774  Cryptantha intermedia K. Dobry 1991-3-15 414 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  SBBG63815  Cryptantha intermedia R. Hoffmann 1930-6-6 Los Angeles Piru Crk Comment
  UC402772  Cryptantha intermedia C. F. Baker 1903-4-1 4137 Los Angeles Claremont Comment
  UCR129881  Cryptantha intermedia Joseph M. Keefe 1978-5-23 23273 Los Angeles 200 m east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mtns. 317 Comment
  POM368249  Cryptantha intermedia Edwin Kline 1924-6-22 s.n. Los Angeles foor of Mt. Wilson Comment
  SBBG44963  Cryptantha intermedia L. C. Wheeler 1932-4-15 621 Los Angeles 2.5 mi NNE of Claremont 419 Comment
  RSA159347  Cryptantha maritima P. H. Raven 1962-4-12 17318 Los Angeles San Clemente Island. Near foot of canyon south of canyon below the Tomb, west side of island 107 Comment
  VVC2918  Cryptantha micrantha Tim Thomas 2014-5-4 6285 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  POM71935  Cryptantha micrantha George B. Grant 1906-6-17 445 a-6796 Los Angeles Summit of Mt. Wilson. 1828 Comment
  RSA0106742  Cryptantha microstachys R. G. Swinney 2011-5-19 14763 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  RSA748916  Cryptantha muricata R. G. Swinney 2008-5-2 8727 -A Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR255835  Cryptantha muricata R. G. Swinney 2010-4-20 12308 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
  RSA0079604  Cryptantha muricata var. muricata L. C. Wheeler 1967-5-18 9616 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  POM9186  Cryptantha nevadensis I. M. Johnston 1920-5-5 2256 Los Angeles Near Mojave Comment
  POM368260  Cryptantha nevadensis var. rigida Robert Gustafson 1978-6-1 982 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
  UCR189403  Cryptantha oxygona R. G. Swinney 1998-7-2 6195 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA592180  Cryptantha similis L. C. Wheeler 1967-5-12 9444 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  POM78954  Cryptantha simulans I. M. Johnston 1925-7-8 5298 Los Angeles Middle Fork Bear Creek along Lookout Trail. 2011 Comment
  UC2026422  Cryptantha simulans Louis C. Wheeler 1968-5-30 s.n. Los Angeles SAN GABRIEL MOUNTAINS: South side Devil's Canyon. Comment
  IRVC26183  Cucurbita foetidissima A. C. Sanders 2003-6-19 26982 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  UCR114731  Cucurbita foetidissima A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23288 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 793 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
  JEPS23138  Cuscuta californica Rimo Bacigalupi with Reino Alava 1958-7-21 6458 Los Angeles about 3 mi above Little Rock Lake (artificial) (in lower reaches of Little Rock Creek, n base of San Gabriel Mts.); San Gabriel Mts., Little Rock Creek 1066 Comment
  LA210101  Cuscuta californica C. & M. Epling; 1925-5-18 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  UCR204837  Cuscuta subinclusa R. G. Swinney 2005-8-11 8459 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  OBI34046  Cuscuta subinclusa Mark Schneider 1973-11-18 s.n. Los Angeles Deliban Ranch, Tujunga 549 Comment
  UCD127351  Cyclospermum leptophyllum A. R. Roos 1958-5-29 s.n. Los Angeles A parking strip on the 1900 block of Westwood Blvd. Comment
  RSA600670  Cylindropuntia echinocarpa L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains : Kentucky Springs. 1082 Comment
  SBBG112830  Cynara cardunculus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 757 Los Angeles upper end of salina at mouth of Cherry Cyn 3 Comment
  CAS-BOT-BC190271  Cynodon dactylon D. Demaree 1933-5-30 s.n. Los Angeles El Segundo. Comment
  UCR257228  Cynosurus echinatus LeRoy Gross 2012-6-17 5551 Los Angeles Transverse Ranges; San Gabriel Mountains, along trail and benches of the creek bottom, near Idlehour campground, upper Eaton Canyon 808 Comment
  RSA0081321  Cyperus involucratus R. G. Swinney 2010-3-16 11919 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA597998  Cystopteris fragilis Steve Boyd, Lauren Raz 1997-3-14 9163 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1389 Comment
  RSA746541  Cytisus striatus A. C. Sanders, T. B. Salvato 2009-5-20 36864 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines NE of Plaza Dr., SE of Montebello Blvd. and SW of San Gabriel Blvd. 96 Comment
  RSA725835  Dactylis glomerata R. G. Swinney 1997-6-25 5655 Los Angeles San Gabriel Mtns.: west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  CAS-BOT-BC189873  Dactyloctenium aegyptium A. C. Sanders; Mark Elvin; Cathleen Weigand; et al 2002-8-6 25552 Los Angeles Santa Clara River Valley. North of Highway 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons. 274 Comment
  RSA356032  Dactyloctenium aegyptium R. F. Thorne 1975-9-4 47388 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  LA32279  Datisca glomerata Peter H. Raven; 25 1959 14697 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  UC1125099  Datura stramonium Jerome S. Horton 1938-11-15 525 Los Angeles San Dimas Dam; Pomona Quad., San Dimas Dam Comment
  UCR108448  Datura stramonium L. C. Wheeler 1946-9-16 6370 C Los Angeles Garvey: Walnut Grove Avenue and Rush Street 75 Comment
  UCR108315  Datura wrightii L. C. Wheeler 1946-9-16 6370 D Los Angeles Garvey: Walnut Grove Avenue and Rush Street 75 Comment
  PASA1930  Daucus pusillus Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA599873  Daucus pusillus Steve Boyd, Lauren Raz 1997-5-6 9718 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  CAS-BOT-BC130912  Deinandra clementina Katharine Brandegee s.n. Los Angeles Santa Catalina Id. Comment
  UC750677  Deinandra fasciculata Lewis S. Rose 1946-7-21 46222 Los Angeles n end of Hollywood Reservoir; Los Angeles Comment
  UC1125927  Delphinium cardinale A. D. Gifford 1934-5-15 242 Los Angeles between Escondido Canyon and Latigo Canyon (near Plot 96); Triunfo Pass Quadrangle Comment
  SEINET12099510  Delphinium cardinale J. F. Bright, Wyman, C. 1931-1 5480 Los Angeles near Pasadena Comment
  SD21264  Delphinium parryi Norman E Bilderback 1938-4-24 Los Angeles Santa Catalina Comment
  UCSB1993  Delphinium parryi Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon Comment
  POM293040  Delphinium parryi subsp. parryi Lyman Benson 1945-5-21 11722 Los Angeles Claremont: Indian Hill. Pacific Slope Drainage Area. 396 Comment
  RSA603908  Delphinium parryi subsp. parryi Louis C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mountains: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  RSA678123  Delphinium parryi subsp. parryi Valerie L. Soza, LeRoy Gross 2001-5-22 1240 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  SBBG71777  Delphinium parryi subsp. parryi M. N. Ackley 1927-5-29 895 Los Angeles Mulholland Drive 457 Comment
  UCR179451  Delphinium patens R. G. Swinney, Dave Larson 1996-7-17 5118 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  HSC25042  Delphinium patens C. S. Apperson 1967-6-11 Los Angeles 3 mi. up Haskell Canyon Rd. off Bouquet Canyon Rd. Comment
  CAS-BOT-BC116419  Delphinium patens subsp. hepaticoideum T. Ross 1992-5-8 6300 Los Angeles San Gabriel Mtns: Glendor Ridge Road; steep northerly slope overlooking Coldwater Canyon to the N; 1246 Comment
  UC54696  Dendromecon rigida L. A. Greata May, 1903 314 -316 Los Angeles Arroyo Seco Comment
  UCR51553  Dendromecon rigida Lyman Benson 1946-4-10 12008 Los Angeles San Antonio Wash, 2 mi NE of Claremont 366 Comment
  RSA0034891  Dendromecon rigida Carol Haines 1964-3-15 59 Los Angeles Fernwood Pacific, Topanga, Santa Monica Mts. 426 Comment
  RSA0034896  Dendromecon rigida Kelly Williams 1980-4-30 21 Los Angeles 1.5 mi. E of Stunt Rd., Mulholland Hwy. 457 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
  UCD114785  Descurainia sophia M. Halperin 1931-4-1 2180 Los Angeles Lancaster. Comment
  POM97782  Dicentra chrysantha Marcus E. Jones 1903-6-28 s.n. Los Angeles Mountains near Pasadena Comment
  JEPS9741  Dicentra ochroleuca I. W. Clokey and B. C. Templeton 1930-4-2 4615 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  UC1348919  Dichelostemma capitatum Robert F. Thorne and J. Henrickson 1963-5-5 32320 Los Angeles ca 4 mi n Claremont (Cobal Canyon, foothills of San Gabriel Mts.); San Gabriel Mts., Cobal Canyon 518 Comment
  UCR273421  Dichelostemma capitatum R. G. Swinney 2011-6-22 15243 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
  POM155740  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1928-4-10 1819 Los Angeles Santa Catalina Island, Johnson s Canyon. 61 Comment
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Jul 21 2010
  UCR197204  Dichelostemma capitatum subsp. capitatum Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 701 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. South southwest of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  UCR281621  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-5-19 16582 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
  RSA376850  Dichelostemma capitatum subsp. capitatum Robin S. Collins 1973-3-26 217 Los Angeles Angeles National Forest, San Gabriel Mts. Trail Cyn. 640 Comment
  RSA376857  Dichelostemma capitatum subsp. capitatum Louis Greata 1901-03 s.n. Los Angeles Eagle Rock. Comment
  UCSB10702  Dichelostemma capitatum subsp. capitatum Lloyd, Robert 1959-3-21 Los Angeles Mt. Range San Gabriel; San Dimas Canyon; Stream bed west of San Dimas Canyon Road 365 Comment
  UCSB798  Dichelostemma capitatum subsp. pauciflorum Mooring, John 1948-4-25 Los Angeles 5 miles west of Palmdale Comment
  SD51780  Diplacus johnstonii Rimo Bacigalupi, G. T. Robbins & L. R. Heckard 1953-6-15 4202 Los Angeles Along forest service road following summit of Mendenhall Ridge, 12.0 miles east of its start at paved road between Little Tujunga and Pacoima canyons Comment
  CAS-BOT-BC150634  Diplacus longiflorus C. F. Baker May 23 5354 Los Angeles Claremont Comment
  RSA0115972  Diplotaxis muralis Geo L. Moxley 1917-3-1 527 Los Angeles Along street Comment
  SBBG12185  Distichlis littoralis E. R. Blakley 1961-9-23 4729 Los Angeles Ballast Pt, Catalina Harbor Comment
  SBBG56830  Distichlis spicata R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  RSA461486  Dodecatheon clevelandii John E. Marble 1894-3-22 s.n. Los Angeles West Los Angeles. Comment
  RSA0068076  Dodecatheon redolens R. G. Swinney 2010-10-13 14026 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  UCR202726  Dodecatheon redolens R. G. Swinney, Cody Clarke 2001-8-22 8078 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
  UCR256269  Draba corrugata R. G. Swinney 2010-10-13 14038 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA286657  Draba corrugata var. corrugata R. F. Thorne, Larry E. DeBuhr 1974-6-28 44780 Los Angeles near Lily Spring on N slope of Mt. Hawkins 2377 Comment
  LA210060  Draba cuneifolia var. integrifolia A. M. Johnson; 1936-3-12 sn Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  UCR54485  Drosanthemum floribundum A. C. Sanders 1986-7-30 6803 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  CATA820  Dryopteris arguta Mark L. Hoefs 1991-6-17 1397 Los Angeles Santa Catalina Island: Near middle of Bulrush Canyon 368 Comment
  POM22228  Dryopteris arguta D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Topango Canyon, Santa Monica Mountains Comment
  RSA615523  Dryopteris arguta L. C. Wheeler 1967-5-18 9626 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UCR170619  Dryopteris arguta Alex R. Van Dam 2004-4-25 051 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCR261517  Dryopteris arguta Joseph Cahill 2010-12-22 1210- 14 Los Angeles Western Transverse Range; Santa Monica Mountains, Mulholland Hwy, c. 2 miles from Pacific Coast Hwy 65 Comment
  RSA85045  Dryopteris arguta F. W. Peirson 1919-12-2 1506 Los Angeles West Fork of Rubio Canyon, south base of San Gabriel Mtns 762 Comment
  UCR16122  Dudleya cymosa subsp. minor William E. Wayburn 1973-5-30 730530- 01 Los Angeles San Gabriel Mtns., c. 1 mi west from Baldy Village, 1/2 mi southwest of Cow Canyon Saddle on [Sunset Ridge Fire Road], Sunset Peak 1524 Comment
  RSA622841  Dudleya cymosa subsp. pumila L. C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  RSA83372  Dudleya cymosa subsp. pumila F. W. Peirson 1919-7-7 262 Los Angeles open space along south edge of Ontario Peak 2590 Comment
  UC1593826  Dudleya hassei Jim Dice, Michael Donoghue and Terry Martin 1983-5-20 347 Los Angeles ne facing slope above Pebbly Beach Drive (betw Avalon Bay and Abalone Point); Santa Catalina Island Comment
  JEPS49876  Dudleya lanceolata Frank W. Peirson 1919-7-1 518 Los Angeles Fish Canyon San Gabriel Mtns 304 Comment
  UCR104155  Dudleya lanceolata Scott D. White 1997-5-22 5216 Los Angeles San Gabriel Mtns., San Gabriel River Wash, Azusa, alluvial fan E and west of levee; between Foothill Blvd. crossing and San Gabriel Valley Gun Club. 213 Comment
  CAS-BOT-BC109629  Dudleya multicaulis Louis C. Wheeler 1934-4-27 2572 Los Angeles Marshall Creek, San Gabriel Mountains. 487 Comment
  UCR62320  Dudleya multicaulis R. G. Swinney 1990-5-2 1580 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora, at east end of Eagle Ridge, north of new homes 305 Comment
  POM217115  Dudleya pulverulenta L. C. Wheeler 1935-4-25 3443 Los Angeles Placerita Canyon. 457 Comment
  RSA755675  Dudleya pulverulenta Michael C. Long 1983-4-1 254 Los Angeles San Gabriel Mountains, Placerita Canyon, about 0.7 miles east of Placerita Canyon Nature Center Comment
  UC933239  Dudleya pulverulenta subsp. pulverulenta Reid Moran 1941-5-23 871 Los Angeles Topanga Canyon Sierra Santa Monica 91 Comment
  RSA782211  Dysphania botrys R. G. Swinney 2009-8-25 11495 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  POM365251  Echinochloa crus-galli Edwin Kline 1924-6-10 s.n. Los Angeles Los Angeles. Comment
  UCR259079  Echinochloa crus-galli R. G. Swinney 2010-10-15 14050 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  LA99086  Ehrendorferia ochroleuca Carl Epling; L. Ellison 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UCR117121  Ehrharta erecta A. C. Sanders, D. Malueg 2001-5-17 24314 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
  UCR213450  Elatine californica A. C. Sanders, Dan S. Cooper 2010-4-30 38159 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG31400  Eleocharis macrostachya R. F. Thorne 1966-4-7 35979 Los Angeles one of upper small ponds near Arrow Pt 60 Comment
  CAS-BOT-BC112851  Eleocharis macrostachya E. K. Balls 1953-6-17 18336 Los Angeles Spontaneous in upper pool of Trickle Garden, Rancho Santa Ana Botanic Garden Comment
  UC56636  Eleocharis montevidensis Ernest Braunton Jul 1902 560 Los Angeles L. A. River Comment
  SD90580  Eleocharis palustris Robert F. Thorne 1966-4-17 36084 Los Angeles San Clemente Island: small reservoir between Boulder and Horton, northeast side of island 487 Comment
  RSA34248  Eleocharis rostellata Anonymous 1947-5-23 s.n. Los Angeles By road on north fork San Gabriel Canyon 1220 Comment
  UCD61603  Elymus elymoides Larry E. Brown 1970-5-2 1791 Los Angeles San Gabriel Mts. Ca. 10 miles south of Joshua Tree State Park. Comment
  RSA589264  Elymus elymoides subsp. elymoides Timothy S. Ross 1991-4-28 4734 Los Angeles Mojave Desert: Black Butte Basin Road at its intersection with Avenue 'U', NW corner: 0.85 mile and ca. 152? SW of Three Sisters [buttes]. 959 Comment
  CATA3161  Elymus triticoides Amy Catalano 2016-5-25 132 Los Angeles Santa Catalina Island: Short spur road at sharp turn at south end of Big Springs Road 63 Comment
  RSA177775  Emmenanthe penduliflora Robert F. Thorne, P. Everett 1965-5-11 34582 Los Angeles N side of N beach of Little Harbor; Santa Catalina Island 15 Comment
  RSA201836  Emmenanthe penduliflora Gary A Lange 1962-4-15 25 Los Angeles 2.5 miles south of La Tuna Canyon, Wildwood intersection in Sun Valley Comment
  UCR182112  Emmenanthe penduliflora R. G. Swinney 1998-4-14 5984 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
  CAS-BOT-BC131225  Encelia californica Moxley 1915-4-14 303 Los Angeles Ridge S.W. of Museum Hill, Los Angeles Comment
  OBI69273  Encelia californica John Knapp, Denise Knapp 2003-4-13 8 Los Angeles Catalina Island. Comment
  RSA724391  Encelia californica K. Dobry 1991-5-22 D- 762 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UCR98921  Encelia californica Steve Boyd, T. S. Ross 1997-3-21 9189 Los Angeles Liebre Mountains, Castaic Valley along Lake Hughes Road just east of Castaic Lake forebay. 390 Comment
  CAS-BOT-BC81815  Ephedra nevadensis A. D. E. Elmer 1902-6-1 3599 Los Angeles Acton Comment
  JEPS76568  Ephedra nevadensis L. R. Heckard 1977-4-7 4634 Los Angeles Edwards Air Force Base across from Phacelia Wildlife Sanctuary (e of Lancaster); Edwards Air Force Base Comment
  UCD133222  Ephedra nevadensis Louis C. Wheeler 1932-4-10 602 Los Angeles 2 mi W Palmdale, Mohave Desert. 762 Comment
  UCR182761  Epilobium R. G. Swinney 1997-7-23 5733 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  CAS-BOT-BC166187  Epilobium canum subsp. canum F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Cahuenga Pass, near Los Angeles Comment
  CAS-BOT-BC166195  Epilobium canum subsp. canum Fordyce Grinnell, Jr. 1903-12-31 107 Los Angeles Mt. Wilson Trail, Santa Anita [Canon] Canyon 457 Comment
  CAS-BOT-BC166196  Epilobium canum subsp. canum Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Spanish [Canon] Canyon (near Monrovia) Comment
  HSC16555  Epilobium canum subsp. canum C. S. Apperson 1967-6-21 Los Angeles 1/2 mi. up Ruby Cyn. from Elizabeth Lake Cyn. Rd. Comment
  RSA588403  Epilobium canum subsp. canum T. S. Clare, G. R. Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon Rd. San Gabriel Mts. 915 Comment
  RSA588404  Epilobium canum subsp. canum H. L. Bauer 1932-10-15 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  SBBG13499  Epilobium canum subsp. canum E. R. Blakley 1962-10-3 5384 Los Angeles near Wrigley Reservoir at the summit of the island rd 426 Comment
  SFV20798  Epilobium canum subsp. canum L. Gross, V. Soza, N. Gilbert 2000-10-18 283 Los Angeles Verdugo Mountains Chandler Fire Road. On steep roadcut near above coordinates. 549 Comment
  UC557763  Epilobium canum subsp. canum Nell Murbarger April, 1936 11 Los Angeles San Clemente Island Comment
  RSA587029  Epilobium canum subsp. latifolium Orlando Mistretta 1994-6-15 1355 Los Angeles San Gabriel Mountains, Santiago Canyon. Side drainage entering Santiago Canyon from W, ca. 3 miles S of confluence of Santiago Creek and Little Rock Creek. 1280 Comment
  UC1587665  Epilobium canum subsp. latifolium Tim Ross 1991-8-14 5787 Los Angeles Pacifico Mtn Rd 0.30 mi e Lower Pacifico Campground Rd.; San Gabriel Mtns., Pacifico Mtn. USGS 7.5' quad 1933 Comment
  RSA0073364  Epilobium ciliatum R. G. Swinney 2010-3-16 11959 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  UCR125947  Epilobium ciliatum A. C. Sanders, Mark Elvin 2002-6-19 25173 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
  UCR210236  Epilobium ciliatum R. G. Swinney 2008-10-22 9664 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  UCR273906  Epilobium ciliatum Steven A. Junak 1999-7-16 SCa- 1055 Los Angeles California Islands, Santa Catalina Island. Lower part of Cottonwood Canyon, below waterfall 12 Comment
  RSA586816  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Steve D. Boyd 1994-6-21 1383 Los Angeles San Gabriel Mountains, Santiago canyon, drainage northwest of Pacifico Mountain. 1646 Comment
  RSA732925  Epilobium ciliatum subsp. glandulosum R. G. Swinney 1999-8-14 7627 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4 air mi WSW of Dawson Peak 2146 Comment
  CATA2948  Epipactis gigantea Sarah Ratay, Jack Baldelli 2011-4-13 134 Los Angeles Santa Catalina Island: In ""Fern Grotto"", side canyon W of Coffeepot Canyon, near Thunder Beach, population starts just upstream from old road crossing 233 Comment
  RSA651321  Epipactis gigantea Marianne Marshall 1981-5-29 18 Los Angeles Ca Higway 39: 19.9 miles N of junction w/ Sierra Madre Avenue, N of Azusa[San Gabriel Mountains]. Comment
  RSA381698  Epipactis gigantea Geo L. Moxley 1915-5-30 235 Los Angeles Scholl's Canyon, San Rafael Hills Comment
  RSA381715  Epipactis gigantea Bonnie C. Templeton, I. W. Clokey 1936-5-18 5665 Los Angeles San Gabrie1 Canyon, 1/2 mile below dam. [San Gabriel Mounntains]. Comment
  UCR205204  Equisetum hyemale subsp. affine R. G. Swinney 2008-4-30 8701 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA701049  Equisetum laevigatum Steve Boyd, Amber Maurice 2004-5-18 11332 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  POM211417  Equisetum laevigatum L. C. Wheeler 1933-10-7 2167 Los Angeles Dry sunny bank with underground water. Liveoak Canyon, San Gabriel Mts. 762 Comment
  CAS-BOT-BC57756  Equisetum telmateia Geo. B. Grant 1904-4-1 406 Los Angeles Pasadena. Comment
  RSA127969  Equisetum telmateia var. braunii Peter H. Raven 1959-10-25 1469 Los Angeles Santa Monica Mountains: Arroyo Sequit 1.6 miles north of Coast Highway 137 Comment
  UCD63887  Eragrostis mexicana subsp. virescens A. A. Beetle 1946-4-18 4230 Los Angeles Azusa. Comment
  CAS-BOT-BC284125  Eragrostis pectinacea var. pectinacea Ralph Hoffmann 1931-9-28 s.n. Los Angeles 6 mi. w. of Harold Comment
  UCR163174  Eragrostis pectinacea var. pectinacea Anuja Parikh, Nathan Gale 2004-6-2 2027 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  RSA578718  Eremalche exilis Tim S. Ross, J. Mark Porter 1994-5-1 7575 Los Angeles Open desert ca. 1870m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA0034380  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10009 i 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
  RSA0121298  Eriastrum sapphirinum subsp. dasyanthum Thos. Craig 1927-11-24 529 Los Angeles Indian Hill, Claremont. Comment
  RSA0124699  Eriastrum sapphirinum subsp. dasyanthum Geo L. Moxley, Grinnell 1916-6-15 482 Los Angeles Hills near Santa Susana Pass. Comment
  UCR281297  Eriastrum sapphirinum subsp. sapphirinum R. G. Swinney 2014-4-18 16120 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  OBI28964  Ericameria cooperi David J. Keil 1976-12-12 11893 Los Angeles 5 mi W of San Bernardino Co. line along Calif rte 138. 1128 Comment
  JEPS31362  Ericameria linearifolia W. L. Jepson 1939-4-21 19241 Los Angeles Neenach School near Yucca Grove; western Mojave Desert, Antelope Valley 914 Comment
  RSA0076960  Ericameria linearifolia R. G. Swinney 2010-5-19 12820 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
  SBBG45509  Ericameria linearifolia Leota Davidson 1965-5-9 159 Los Angeles near Little Rock Comment
  SD124550  Ericameria linearifolia J. Sauer, G. Malanson 1981-5-15 6136 Los Angeles San Gabriel Mountains; near Juniper Hills on north side of range. Comment
  UCR277141  Ericameria linearifolia R. G. Swinney 2011-6-15 15211 Los Angeles San Gabriel Mountains, Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy 1631 Comment
  RSA91762  Ericameria linearifolia F. W. Peirson 1926-4-27 6669 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  SEINET3146539  Ericameria monactis H. M. Hall, H. P. Chandler 1906-6-11 7389 Los Angeles near Lancaster; S CA Comment
  CAS-BOT-BC298055  Ericameria nauseosa var. mohavensis Eugene Wells 1909-11-27 s.n. Los Angeles Lancaster Comment
  SBBG62921  Ericameria nauseosa var. mohavensis R. Hoffmann 1927-9-21 Los Angeles Forest Inn, Ridge Route (US Hwy 99) Comment
  RSA748464  Ericameria nauseosa var. oreophila R. G. Swinney 2001-8-27 8097 Los Angeles Throop Peak, west of Mt. Baden-Powell 2780 Comment
  SD247324  Ericameria nauseosa var. oreophila R. G. Swinney 2010-10-8 14006 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  RSA661172  Ericameria parishii LeRoy Gross 2001-9-1 446 Los Angeles Verdugo Mountains; north side, Along Hostetter Mountain Way. 610 Comment
  SFV21465  Ericameria parishii L. Gross 2001-9-1 446 Los Angeles Verdugo Mountains North side of mountains. Along Hostetter Mountain Way. Steep, old, bulldozed ridge line that runs east off of Hostetter. 610 Comment
  SEINET13387044 Image available Ericameria parryi R. G. Swinney 2011-1 15706 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
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Sep 6 2017
  HSC5751  Ericameria pinifolia W. H. Kinch 1954-9-30 25 Los Angeles Padua Ave. N Claremont, San Antonio Wash. 335 Comment
  RSA3305  Ericameria pinifolia C. B. Wolf 1931-10-20 2465 Los Angeles 1/2 mile above Montrose, on road from Tujunga to La Canada 457 Comment
  RSA695389  Ericameria pinifolia A. C. Sanders, Mark A. Elvin 2002-6-19 25183 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  RSA90917  Ericameria pinifolia F. W. Peirson 1918-10-16 223 Los Angeles Pacoima Canyon 518 Comment
  RSA617232  Erigeron breweri var. jacinteus LeRoy Gross 1998-8-22 50 Los Angeles Top of Mt. Baden-Powell. 2866 Comment
  SEINET10617826  Erigeron divergens David B. Dunn 1949-7-1 Dunn s.n. Los Angeles Growing at U.C.L.A. in soil collected at Harvey's Gate, Socorro County, New Mexico. Comment
  RSA588870  Erigeron foliosus var. foliosus Orlando Mistretta 1994-9-21 1495 Los Angeles San Gabriel Mtns., Santiago Canyon, At jct. of Forest Rd. 4N20 with Santiago Creek. 1280 Comment
  RSA717222  Eriodictyon crassifolium Scott D. White, Pam DeVries 2006-5-10 11442 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
  RSA0071933  Eriodictyon crassifolium var. nigrescens LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7008 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  UCD119242  Eriodictyon crassifolium var. nigrescens A. C. Sanders; Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26199 Los Angeles Western San Gabriel Mtns.: Castaic Valley at west foot of Castaic Mesa, Newhall Ranch. 366 Comment
  CAS-BOT-BC188965  Eriodictyon parryi Steve Boyd; Lauren Raz 1997-5-29 9935 Los Angeles N base of Portal Ridge, N of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail, Liebre Mountains region 1097 Comment
  CAS-BOT-BC188966  Eriodictyon parryi Timothy S. Ross; Steve Boyd 1994-5-24 7875 Los Angeles Burns Truck Trail, along low, northerly slope draining to lower Burns Canyon, 2220 m ENE from Grass Mountain summit, Vicinity of Burns Canyon 1115 Comment
  UCR143192  Eriodictyon traskiae subsp. traskiae E. R. Blakley 1962-10-5 5430 Los Angeles Channel Islands, Santa Catalina Island, northeast side of Black Jack Mtn at junction of Island Road and Whites Landing Road 381 Comment
  CAS-BOT-BC376120  Eriodictyon trichocalyx var. trichocalyx Marck Menke 2002-3-29 132 Los Angeles San Gabriel Mts., Glendora Mountain Road at a pullout north of the intersection with Glendora Ridge Road Comment
  RSA771848  Eriogonum R. G. Swinney 2009-5-27 10909 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  CAS-BOT-BC248477  Eriogonum angulosum Carl B. Wolf 1932-10-21 4362 Los Angeles One-half mile east of Palmdale, Mojave Desert 807 Comment
  UCR167297  Eriogonum baileyi Scott D. White, A. Warniment 2005-9-9 11218 Los Angeles Tehachapi Mtns, Oso Canyon, c. 1-2 air miles north of Quail Lake 1067 Comment
  UCSC011209  Eriogonum baileyi Adam Searcy 2015-7-24 69 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  SBBG61887  Eriogonum baileyi P. A. Munz, I. M. Johnston 1928-9-4 11175 Los Angeles Rock Crk 1158 Comment
  RSA250478  Eriogonum baileyi var. baileyi Robert F. Thorne, John Dourley 1967-10-10 37343 Los Angeles Angeles National Forest: Blue Ridge. 2256 Comment
  RSA586031  Eriogonum baileyi var. baileyi Orlando Mistretta 1995-10-2 1947 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  RSA522328  Eriogonum baileyi var. baileyi Tim S. Ross, Orlando Mistretta 1990-10-3 3285 Los Angeles San Gabriel Mountains: ca. 0.6 km ESE of Tie Summit Station. 1567 Comment
  RSA66045  Eriogonum baileyi var. baileyi F. W. Peirson 1928-9-4 8188 Los Angeles Rock Creek about 1 mile below Pallett Creek Comment
  CHSC100228  Eriogonum cinereum John Dittes; Josephine Guardino 2006-12-10 1437 Los Angeles Western Transverse Ranges; Sant Monica Mountains; Malibu Canyon; downslope of Malibu Canyon Road; ca. 2.7 air-miles NE of Malibu Lagoon State Beach, ca. 1.0 air-mile south of intersection of Malibu Canyon Road and Piuma Road; just south of road tunnel. 123 Comment
  LA32290  Eriogonum cinereum Peter H. Raven; 1959-10-25 14695 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  POM220265  Eriogonum cinereum F. M. Reed 1929-7-18 6542 Los Angeles Malibu Coast highway. Comment
  RSA393133  Eriogonum cinereum C. M. Dammers 1933-10-28 s.n. Los Angeles Point Firman. Comment
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May 27 2013
  SBBG61917  Eriogonum cinereum R. Hoffmann 1931-8-23 Los Angeles Santa Monica Comment
  UCR141427  Eriogonum cinereum June Latting 1977-12-4 s.n. Los Angeles South Coast, Point Dume, near Santa Monica Mtns. 61 Comment
  RSA766381  Eriogonum cithariforme var. agninum Joseph A. Ewan 1932-6-14 7404 Los Angeles Above Sulphur Springs, east of Pacifico Mt. 1677 Comment
  UCR239019  Eriogonum davidsonii Anuja Parikh, Nathan Gale 2010-6-15 3290 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.2 km east northeast of Shortcut Station, 0.7 km north of State Hwy 2, Angeles Crest Hwy 1305 Comment
  UC72559  Eriogonum elongatum var. elongatum Dr. J. Q. Adams Sept. 1905 Los Angeles near Soldier's Home; Los Angeles Comment
  CAS-BOT-BC249767  Eriogonum elongatum var. elongatum Peter H. Raven 1957-9-21 11335 Los Angeles At northwest end of campus of University of California at Los Angeles Comment
  CHSC8318  Eriogonum fasciculatum Edward L. Smith 1958-2-18 317 Los Angeles Located in Cobal Canyon in a creek bed, San Gabriel Mts. 609 Comment
  POM305240  Eriogonum fasciculatum Henry J. Ramsey, Henry J. Ramsey 1937-5-27 566 Los Angeles Altadena, north Craig Ave. Comment
  CAS-BOT-BC253261  Eriogonum fasciculatum var. foliolosum Wm. H. Brewer 1861-1-4 s.n. Los Angeles Camp 6, San Gabriel Canyon Comment
  RSA228867  Eriogonum fasciculatum var. foliolosum Robert F. Thorne 1971-6-26 40637 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  RSA393408  Eriogonum fasciculatum var. foliolosum C. R. Parks 1963-2-9 126 Los Angeles San Gabriel Mountains: near Hoegees Campground on Winter Creek, above Chantry Flats in Santa Anita Canyon; north of Arcadia 1067 Comment
  UCR212771  Eriogonum fasciculatum var. foliolosum Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1772 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed [Sycamore Canyon, east of Sycamore Canyon Road and north of San Dimas Canyon Park] 385 Comment
  JEPS86562  Eriogonum fasciculatum var. polifolium Roy E. Buck 1988-5-25 904 Los Angeles 0.3 rd. mi n, on e side of road Three Point (ca. 0.6 air km ne of confluence of Oakdale Canyon and Pratt Canyon; 26 air kmk n of Castaic) 1036 Comment
  RSA646082  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Mark A. Elvin 1995-5-10 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit Bare Mt. Section. 1768 Comment
  UCR256240  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-9-9 13767 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
  UCSB1413  Eriogonum fasciculatum var. polifolium Philbrick, Ralph 1955-3-1 Los Angeles South of La Verne, Puddingstone Dam, San Jose Mts Comment
  UC849439  Eriogonum giganteum F. R. Fosberg 1931-7-9 S 5358 Los Angeles Avalon Santa Catalina Island, Avalon 30 Comment
  SBBG12769  Eriogonum giganteum var. formosum E. R. Blakley 1962-6-10 5236 Los Angeles above and N of Seal Cove 60 Comment
  LA201523  Eriogonum giganteum var. giganteum Arthur C. Gibson; 2003-8-25 4884 Los Angeles 3 Comment
  RSA678702  Eriogonum giganteum var. giganteum Mark A. Elvin, Orlando Mistretta 1996-3-24 139 Los Angeles San Clemente Island. Eagle Canyon Comment
  CAS-BOT-BC253438  Eriogonum gracile J. Ewan 1930-10-22 3430 Los Angeles 4 miles from mouth of Bouquet Canyon Comment
  UCR19589  Eriogonum gracile G. R. Johnstone 1930-10-19 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, Rosemead, in the dry bed of the Rio Hondo River 152 Comment
  POM9639  Eriogonum gracile var. gracile P. A. Munz 1920-12-5 4400 Los Angeles Claremont. 366 Comment
  RSA766506  Eriogonum gracillimum Ralph Hoffmann 1930-4-29 2861 Los Angeles Lancaster, Mojave Desert. 701 Comment
  UCR117228  Eriogonum gracillimum B. G. Pitzer 1998-5-12 3697 .2 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  RSA0005072  Eriogonum microtheca var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles San Antonio Mts., west spur of Baldy. 2744 Comment
  RSA552444  Eriogonum mohavense D. Charlton 1991-6-22 5418 Los Angeles Southwest Lancaster, corner of K and 40th streets. Antelope Valley, drainage from San Gabriel mtn foothills. 732 Comment
  UC604838  Eriogonum mohavense Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9487 Los Angeles 16 mi on the Muroc Road Lancaster Comment
  UCSB1468  Eriogonum nudum Hoffmann, Ralph 1927-9-21 Los Angeles Ridge Route near Sandberg's Comment
  UCR210166  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-8-13 9398 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  RSA393612  Eriogonum nudum var. pauciflorum F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5462 Los Angeles Buckhorn Trail, Islip-Williamson divide, between Bear Creek and Big Rock Creek, San Gabriel Mountains. 2000 Comment
  RSA780691  Eriogonum ordii Sandy Leatherman, Pam De Vries 2011-4-28 2011 -9 Los Angeles Transverse Ranges; Liebre Mountains region; directly north of Esguerra Road, 2,220 meters east of Boquet Canyon Road in Santa Clarita. 491 Comment
  UC494416  Eriogonum parvifolium Philip A. Munz 1932-8-31 12813 Los Angeles Playa del Rey Comment
  RSA0056353  Eriogonum parvifolium James R. Shevock 1972-9-16 2274 Los Angeles Point Dume. 6 Comment
  POM211794  Eriogonum parvifolium var. parvifolium Louis C. Wheeler 1933-9-2 2093 Los Angeles Santa Monica. 5 Comment
  RSA755449  Eriogonum plumatella R. G. Swinney 2008-10-7 9477 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  UCR164524  Eriogonum plumatella T. B. Salvato, Sandra Murcia 2005-11-8 1281 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel from Palmdale Blvd to Avenue Q, east of 51st Street 805 Comment
  SBBG64251  Eriogonum roseum R. Hoffmann 1927-7-16 Los Angeles near Chandler's, Ridge Route (US Hwy 99) Comment
  UC1922354  Eriogonum roseum Scott D. White, A. Warniment 2006-7-6 11606 Los Angeles SE TEHACHAPI MTNS.: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. Comment
  RSA609103  Eriogonum saxatile Louis C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon. Comment
  RSA747680  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-27 8102 Los Angeles San Gabriel Mountains: Mt. Burnham, west of Mt. Baden-Powell. 2740 Comment
  UC426420  Eriogonum umbellatum var. minus G. J. Goodman, C. L. Hitchcock Jul 28 1930-Jul 30 1930 1726 Los Angeles near top of Mt. San Antonio; Mt. San Antonio 3048 Comment
  RSA659865  Eriogonum umbellatum var. munzii Orlando Mistretta 1992-8-20 757 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  CAS-BOT-BC297919  Eriophyllum confertiflorum Alice Eastwood 1928-6-15 15394 Los Angeles Claremont Comment
  CAS-BOT-BC297951  Eriophyllum confertiflorum A. D. E. Elmer 1902-6-1 3712 Los Angeles Acron, Mt Gleason Comment
  POM357908  Eriophyllum confertiflorum Gale Sphon 1955-5-12 S.N. Los Angeles 2.5 miles E of Sepulvada Blvd, on Mulholland Drive. Comment
  RSA656672  Eriophyllum confertiflorum S. Campbell 1980-6-4 45 Los Angeles Verdugo Mountains: Eastern slope of Verdugo Mountains on hill between Wabasso Way and Opechee Way. 267 Comment
  UCR68912  Eriophyllum confertiflorum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4244 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SEINET11850717  Eriophyllum confertiflorum C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  UCR270513  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-5-26 14860 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  POM175388  Eriophyllum confertiflorum var. confertiflorum West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles San Gabriel Mountains. Comment
  RSA680167  Eriophyllum wallacei Scott D. White 2003-6-8 9516 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  UCR163173  Erodium brachycarpum Anuja Parikh, Nathan Gale 2004-6-21 2058 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  UCR182671  Erodium brachycarpum R. G. Swinney 1998-4-13 5956 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  SBBG128075  Erodium cicutarium M. L. Hoefs, S. A. Junak, K. Kirkland 2001-4-14 3138 Los Angeles upper Middle Cyn on hillside by Edison pump house 371 Comment
  UCR186907  Erodium cicutarium A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32031 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
  UCR276944  Erodium cicutarium R. G. Swinney 2010-5-21 12867 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  POM19141  Erodium moschatum P. A. Munz 1923-4-9 6665 Los Angeles San Clemente Island, east coast. Comment
  CAS-BOT-BC40778  Erysimum capitatum Ernest C. Twisselmann 1959-6-2 5323 Los Angeles Summit of Liebre Mountain. 1706 Comment
  SFV9379  Erysimum capitatum M. L. Vincent, L. Swade 1964-4-2 477 Los Angeles San Gabriel Mountains Mint Canyon. Solemint Canyon Road, 2 miles north of Solemint Store. 500 Comment
  SD52404  Erysimum capitatum var. capitatum Benjamin C. Stone Mar 1952 12 Los Angeles Blanchard Park (The Wash) 334 Comment
  RSA563524  Erysimum capitatum var. capitatum Timothy S. Ross, Walter Appleby 1993-5-14 7143 Los Angeles western San Gabriel Mtns: between May Canyon Saddle and May Peak [3948']. 1152 Comment
  CHSC37355  Erythranthe cardinalis T. P. Spira 1976-7-12 62 Los Angeles White Fir Springs, off of Angeles Crest Hwy (2), Angeles National Forest. 1828 Comment
  CAS-BOT-BC9537  Erythranthe rubella Frank Warrington Peirson 1923-5-26 3527 Los Angeles Above Rock Creek Divide, north side of San Gabriel Mountains 2072 Comment
  UCSB2160  Eschscholzia californica Ballard 1954-4-1 Los Angeles Pomona College Campus, Claremont 259 Comment
  UC1871174  Eschscholzia minutiflora T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4846 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
  CATA635  Eschscholzia ramosa Mark L. Hoefs 1991-4-16 1100 Los Angeles Santa Catalina Island: Renton Mine Road 249 Comment
  SBBG98509  Eschscholzia ramosa T. Ross 1991-5-21 5383 Los Angeles upper E branch of Box Cyn 472 Comment
  UCR153579  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-4-26 29711 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  CATA983  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs 1994-5-21 1855 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  RSA655984  Eucrypta chrysanthemifolia var. chrysanthemifolia James Henrickson 1985-3-30 19769 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  SBBG96871  Eucrypta chrysanthemifolia var. chrysanthemifolia T. Ross 1991-3-24 4311 Los Angeles Whittier Hills (Puente Hills, pro parte) Comment
  UC1349359  Eucrypta chrysanthemifolia var. chrysanthemifolia Robert F. Thorne 1966-4-5 35840 Los Angeles s-facing slope above stream Cottonwood Canyon, Santa Catalina Island; Santa Catalina Island 106 Comment
  RSA0042673  Eucrypta chrysanthemifolia var. chrysanthemifolia Laura Moore 1999-4-10 021 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  UC1228867  Eucrypta chrysanthemifolia var. chrysanthemifolia Peter H. Raven 1962-5-9 17695 Los Angeles just s Gray, San Clemente Island; San Clemente Island 304 Comment
  UC788120  Eulobus californicus Blanche Trask May, 1897 Los Angeles Avalon Santa Catalina Island Comment
  UCR204846  Euphorbia albomarginata R. G. Swinney 2005-8-11 8439 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  CDA19864  Euphorbia dendroides Hartman 2002-5-21 PDR 1253860 Los Angeles Southern California; Angeles NF, Big Santa Anita Cyn. 0 Comment
  UCR99439  Euphorbia helioscopia L. C. Wheeler 1951-3-10 6799 Los Angeles Pasadena. 955 South Orange Grove Ave. 249 Comment
  LA50646  Euphorbia maculata Monte Lloyd; 1950-7-11 500711 p1130 Los Angeles Campus of University of California at Los Angeles 121 Comment
  CATA1856  Euphorbia peplus Denise Kraus, Judy Hibbs 2000-5-24 37 Los Angeles Santa Catalina Island: Wild Boar Gully. At Transect 4. In small gully to the west of plateau in southern portion of fenced area 175 Comment
  SBBG31145  Euphorbia peplus R. F. Thorne 1966-5-31 36426 Los Angeles Avalon 7 Comment
  PASA697  Euphorbia peplus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA0042603  Euphorbia peplus R. F. Thorne, J. Henrickson 1963-5-5 32274 Los Angeles Flat area near mouth of Cobal Canyon, few miles N of Claremont. Foothills of the San Gabriel Mts. 518 Comment
  RSA226202  Euphorbia peplus Gary D. Cromwell 1971-5-14 652 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi. NE of Glendora. Comment
  RSA0127010  Euphorbia serpens Louis C. Wheeler 1969-9-25 12322 Los Angeles Pasadena: 790 South Arroyo parkway. Comment
  SD230227  Euphorbia serpillifolia subsp. serpillifolia Louis C. Wheeler 1973-6-15 Los Angeles Los Angeles: Between San Diego (405) Fwy and Sepulveda Blvd., just E of Alameda St. Comment
  SBBG17778  Euphorbia spathulata P. H. Raven 1962-5-9 17675 Los Angeles above Mosquito Cove 335 Comment
  RSA654331  Euphorbia supina Benjamen Rangel 1992-5-17 777 -48 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  SD126641  Euphorbia terracina A. C. Sanders 1987-12-4 7584 Los Angeles El Segundo Dunes, west of LA Intl. Airport & Pershing Drive, coastal dunes formerly residential neighborhoods, streets & sidewalks remain, disturbed areas in the NE corner of the property (this from subsite 56) but not seen elsewhere 29 Comment
  LA32068  Euthamia occidentalis Peter H. Raven; Henry J. Thompson 1959-9-6 14382 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  CATA3301  Extriplex californica Amy Catalano, Jen Dreizehn 2017-3-16 018 Los Angeles Santa Catalina Island: Rippers Cove, rocky walls along beach margin 4 Comment
  CATA1591  Festuca bromoides Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2861 Los Angeles Santa Catalina Island: Road to Toyon Beach 182 Comment
  SBBG31277  Festuca myuros R. F. Thorne 1966-4-6 35917 Los Angeles old quarry W of Empire Landing 91 Comment
  UCR186472  Festuca myuros T. B. Salvato 2007-4-27 2098 Los Angeles Tehachapi Mountains Foothills, Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek 1098 Comment
  UCR199864  Festuca myuros var. hirsuta LeRoy Gross, Steve Boyd, Naomi Fraga, Valerie Soza 2006-3-17 2454 B Los Angeles Transverse Ranges, Verdugo Mountains, north side of the range, Whiting Woods Road just north of Henderson Canyon, near homes close to base of the range 457 Comment
  RSA599492  Filago californica Steve Boyd, Lauren Raz 1997-3-25 9317 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UCR241090  Filago californica Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  POM277128  Filago californica E. S. Steele, H. S. Pratt 1935-5-10 s.n. Los Angeles West hills of Eagle Rock. Comment
  RSA656218  Filago gallica Joseph M. Keefe 1978-5-11 22916 Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  SBBG12445  Foeniculum vulgare P. H. Raven 1962-4-10 17252 Los Angeles above Wilson Cove 182 Comment
  SD69450  Foeniculum vulgare Robert F. Thorne, P. Everett 1965-6-22 Los Angeles Santa Catalina Island: Avalon Canyon 89 Comment
  RSA787802  Foeniculum vulgare Doris Hoover Bowers 1957-5-2 507 Los Angeles Near Carrion Adobe, LaVerne 320 Comment
  RSA499367  Fragaria californica Edwin Kline 1925-2-1 s.n. Los Angeles Mount Hollywood Comment
  CAS-BOT-BC52548  Frangula californica subsp. californica Prof. W. R. Dudley 1907-11-1 s.n. Los Angeles Near Monrovia Comment
  RSA719746  Frangula californica subsp. californica R. G. Swinney, D. W. Larson 1996-8-7 5232 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  LA91289  Frangula californica subsp. californica Harvey Anderson; August 1931 sn Los Angeles Santa Monica Mountains, Escondido Canyon Comment
  CATA1812  Frankenia salina Benjamin E. Carter 2012-8-23 6999 Los Angeles Santa Catalina Island: Two Harbors at top of Catalina Harbor 0 Comment
  LA205394  Frankenia salina A. M. Johnson; 1933-5-17 4264 Los Angeles Del Rey Comment
  SBBG95174  Frankenia salina M. B. Dunkle 1928-5-12 1923 Los Angeles Empire Landing Comment
  SD52307  Frankenia salina W. F. Parish 1893-1 877 Los Angeles Santa Monica Comment
  LA205581  Frasera neglecta Martha Hilend; 1926-7-6 254 Los Angeles San Bernardino Mountains, Holcomb Valley Comment
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Jan 14 2015
  CAS-BOT-BC228568  Fraxinus dipetala Timothy S. Ross; Steve Boyd 1994-5-10 7714 Los Angeles Liebre Mountains. Warm Springs Canyon: canyon bottom and adjacent northerly slopes at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 682 Comment
  JEPS43922  Fraxinus dipetala Frank W. Peirson 1919-7-1 383 a Los Angeles Fish Canyon San Gabriel Mountains 609 Comment
  RSA615524  Fraxinus dipetala Louis C. Wheeler 1967-5-18 9620 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 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
  UCR224019  Fraxinus uhdei Steve Boyd, Rick Riefner 2007-4-27 11741 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  CAS-BOT-BC211005  Fraxinus velutina Timothy S. Ross; Steve Boyd 1995-6-28 8636 Los Angeles Liebre Mountains. Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 737 Comment
  CAS-BOT-BC211006  Fraxinus velutina L. R. Abrams 1900-8-10 876 Los Angeles San Gabriel River, West Fork Comment
  RSA0035209  Freesia refracta Sandy Gray 1981-5-1 20 Los Angeles Pomona, 574 Mayfair between Park and White. Comment
  CAS-BOT-BC212394  Fremontodendron californicum Elizabeth McClintock 1965-7-2 s.n. Los Angeles Table Mountain above Wrightwood, San Gabriel Mountains 2133 Comment
  POM244243  Fremontodendron californicum Carl B. Wolf 1936-5-27 7861 Los Angeles San Gabriel Mountains, Aliso Canyon to Buckhorn Flats Road, 8 miles above Tie Camp summit. 1677 Comment
  UCSB24490  Fremontodendron californicum Wulkau, C. 1966-5-13 Los Angeles On California Hwy. 138, 7.3 miles east of San Bernardino County line Comment
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Nov 5 2014
  RSA426877  Fremontodendron californicum subsp. californicum Bonnie C. Templeton 1932-7-21 5016 Los Angeles Between Prarie Forks and Big Pines Park. 2092 Comment
  JEPS114003  Galium andrewsii subsp. intermedium Timothy S. Ross and Steve Boyd 1994-9-21 8301 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point Comment
  CAS-BOT-BC223025  Galium angustifolium A. C. Sanders 2003-3-14 25777 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  CAS-BOT-BC223026  Galium angustifolium A. C. Sanders; Helen Kennedy 2005-4-13 29458 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR190243  Galium angustifolium R. G. Swinney 2000-5-28 7788 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Redbox Road 2.1 mi. SW of Hwy 39 at Rincon Station 732 Comment
  UCR206449  Galium angustifolium R. G. Swinney 2008-6-9 8966 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  LA105083  Galium angustifolium subsp. angustifolium Barry A. Prigge; 1988-7-3 8225 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  LA208337  Galium angustifolium subsp. angustifolium F. R. Fosberg; 1932-5-5 8109 Los Angeles Santa Catalina Island, hill n. Avalon 30.0 Comment
  SBBG95238  Galium angustifolium subsp. angustifolium M. B. Dunkle 1928-4-13 1873 Los Angeles Renton Mine Rd 365 Comment
  JEPS56013  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-23 4190 Los Angeles on State Hwy 14 3 mi se Newhall Comment
  JEPS56014  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-23 4191 Los Angeles along Hwy 99 12.3 mi ne Castaic (e side of canyon, nw-facing slope); Piru Canyon Comment
  JEPS56095  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4117 Los Angeles Angeles Crest Hwy 3.6 mi e Mt. Wilson turn-off (side canyon); San Gabriel Mountains Comment
  POM296482  Galium angustifolium subsp. angustifolium Lyman D. Benson 1944-5-21 11724 Los Angeles Indian Hill, Claremont. 396 Comment
  POM175425  Galium angustifolium subsp. nudicaule Joseph A. Ewan 1930-6-25 2646 Los Angeles Crystal Lake, North Fork San Gabriel River. 1707 Comment
  UCR143185  Galium aparine F. R. Fosberg 1931-4-15 S- 4613 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 200 Comment
  UCR216898  Galium aparine R. G. Swinney 2009-3-11 10090 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  POM367741  Galium aparine Anstruther Davidson 1889-08 s.n. Los Angeles L.A. River. Comment
  RSA653922  Galium californicum subsp. flaccidum Valerie L. Soza, Wayne Law, Laura Moore 2000-6-28 1037 Los Angeles San Gabriel Mountains: Northwestern extension of Pine Mountain, 0.1 mile east of junction with Rincon Red Box Road (FS Road 2N24.2) and road to Pine Mountain (FS Road 2N24A) along fire road. 1280 Comment
  SEINET4093009  Galium catalinense R. Moran 1941-1 700 Los Angeles Ridge, north of Middle Ranch, Santa Catalina Island. 250 Comment
  UC729798  Galium catalinense Carl B. Wolf 1932-5-11 3552 Los Angeles w side Isthmus Harbor; Santa Catalina Island 15 Comment
  JEPS54479  Galium catalinense Lauramay T. Dempster 1967-12-29 4372 Los Angeles steep e-facing bluffs just above road just north of Casino (Avalon); Santa Catalina Island 15 Comment
  RSA638815  Galium grande Valerie L. Soza, Laura Moore 1999-6-30 587 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  UC2030053  Galium grande V. Soza, Samantha Tessel 2001-6-18 1282 Los Angeles Transverse Ranges, San Gabriel Mountains region: Upper Winter Creek Trail, above Santa Anita Canyon, ca. 0.3 mile from trailhead out of Chantry Flat area. Comment
  RSA0051344  Galium johnstonii Valerie Soza 2004-6-17 1722 a Los Angeles San Gabriel Mountains, ca. 1 miles east of Three Pionts, south side of Hwy 2. 1847 Comment
  RSA529187  Galium johnstonii Tim S. Ross, Steve D. Boyd 1991-7-24 5633 Los Angeles Granite Mountain. 1902 Comment
  UCR280815  Galium nuttallii subsp. insulare Mitch Provance 2017-6-30 617- 37 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  RSA600354  Galium porrigens Steve D. Boyd, Lauren Raz 1997-5-28 9885 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UCR271595  Galium porrigens R. G. Swinney 2011-5-19 14781 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  JEPS52946  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-1-20 4170 Los Angeles State Hwy 23 about 2 mi above junction with US#1; Santa Monica Mts., Los Alisos Canyon Comment
  RSA639251  Galium porrigens var. porrigens Robert F. Thorne, M. Z. Thorne 1971-4-25 41338 Los Angeles Johnson's Pasture north of Claremont 610 Comment
  RSA0030798  Galium trifidum var. pacificum Louis C. Wheeler 1933-10-20 2182 Los Angeles San Gabriel River. 70 Comment
  CAS-BOT-BC303404  Gamochaeta ustulata Geo. B. Grant 1900-5-17 s.n. Los Angeles El Monte Comment
  UCR190011  Garrya veatchii R. G. Swinney 1998-7-30 6598 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  SEINET10874795  Garrya veatchii Walter H. Lewis 1991-6-13 Lewis 14929 Los Angeles San Gabriel Mountains, San Antonio Canyon, Mt. Baldy Rd., north side of Hog Back turnoff. 1164 Comment
  UCR172300  Gastridium ventricosum Anuja Parikh, Nathan Gale 2005-6-8 2117 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, between Potrero and Salt Creek Canyons, south of Santa Clara River near the Ventura Co. line, study area 14 335 Comment
  RSA0110527  Gayophytum R. G. Swinney 2011-6-7 15084 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  UCR205596  Gayophytum R. G. Swinney 2008-5-13 8863 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA587200  Gayophytum decipiens Orlando Mistretta, Mark A. Elvin 1995-5-10 1687 A Los Angeles San Gabriel Mountains: Bare Mountain Canyon. Head of W. Fork. 1768 Comment
  RSA578796  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-7 8136 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
  CAS-BOT-BC208064  Genista monspessulana Timothy S. Ross 1993-6-1 7365 a Los Angeles San Gabriel Mountains. NW margin of Chantry Flat. 667 Comment
  LA201499  Geranium carolinianum Arthur C. Gibson; 2003-4-28 4857 Los Angeles 243 Comment
  RSA188262  Geranium carolinianum Robert F. Thorne 1966-4-30 36358 Los Angeles Santa Catalina Island, above Gallagher s Canyon. 396 Comment
  SBBG38244  Geranium carolinianum S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-5 SCa 550 Los Angeles W of rd to Toyon Bay, 1.4 rd mi from intersection with Airport Rd, in small gully along interpretive trail to ironwood grove 164 Comment
  UCD117625  Gilia achilleifolia Rudolf Schmid 1962-4-12 s.n. Los Angeles along Russell Road, Cal Poly, Pomona. Comment
  RSA187908  Gilia angelensis R. F. Thorne 1966-4-5 35845 Los Angeles Santa Catalina Island, Cottonwood Canyon. 107 Comment
  RSA470097  Gilia angelensis T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  UC23737  Gilia angelensis J. H. Barber 1897-3-21 93 Los Angeles near Soldier's Home; near Soldier's Home Comment
  UCR185580  Gilia brecciarum A. C. Sanders 2007-4-25 33590 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  SD215603  Gilia brecciarum subsp. brecciarum Steve Boyd, Lauren Raz 1997-3-26 9335 Los Angeles Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1096 Comment
  RSA587399  Gilia brecciarum subsp. brecciarum Orlando Mistretta 1995-4-5 1603 A Los Angeles Drainage W of Little Rock Creek Reservoir. 1189 Comment
  RSA86581  Gilia brecciarum subsp. brecciarum Verne Grant, Alva Grant 1954-4-19 19594 Los Angeles On Hwy 138 4.5 miles W of Big Pines jct. Near Los Angeles-San Bernardino County line. 1220 Comment
  UCR276750  Gilia capitata R. G. Swinney 2010-8-11 13491 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  UC908401  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-4-26 2952 Los Angeles 4 mi w Saugus; w of Saugus Comment
  UCR186063  Gilia capitata subsp. abrotanifolia T. B. Salvato, M. A. Hasskamp 2006-4-24 1345 Los Angeles Tehachapi Mtns Foothills, c. 4 mi east of Quail Lake and 0.5 mi north of Hwy 138 976 Comment
  LA206528  Gilia latiflora subsp. davyi Harvey Anderson; 1932-3-30 sn Los Angeles Quail Lake Comment
  CAS-BOT-BC226407  Gilia latiflora subsp. latiflora Timothy S. Ross 1991-4-27 4686 Los Angeles Mojave Desert: Black Butte Basin Road at its intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters [buttes] 960 Comment
  RSA229161  Gilia leptantha subsp. transversa R. F. Thorne, C. W. Tilforth 1971-6-30 40827 -B Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  SEINET3163603  Gilia multicaulis L. Abrams 1903-4-10 3245 Los Angeles near Inglewood Comment
  RSA535276  Gilia nevinii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5324 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA549900  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-5 128 Los Angeles San Clemente Island: S-facing slope in Guds area on extreme S end of island. 175 Comment
  RSA572182  Gilia nevinii M. B. Dunkle 1939-4-6 7320 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SD51884  Gilia nevinii Peter H. Raven 1962-4-10 17213 Los Angeles San Clemente Island. Grassland on east-facing slopes along summit ridge about 2 miles north of Thirst. 487 Comment
  RSA0017196  Gilia ochroleuca subsp. vivida Naomi Fraga, Sarah J. De Groot 2004-5-25 1221 Los Angeles Trail from Mount Baldy Village to the summit of Mount Baldy. 2348 Comment
  RSA0017199  Gilia ochroleuca subsp. vivida Verne Grant, Alva Grant 1951-6-15 16057 Los Angeles Inspiration Point: SW of Big Pines. 2256 Comment
  UCR191532  Gilia splendens R. G. Swinney 1998-7-8 6325 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  SFV19336  Githopsis diffusa T. Sagar, T. Valois 2005-5-16 s. n. Los Angeles Santa Monica Mountains Near Seminole Hot Springs. National Park Service Hennesy property. 420 Comment
  CAS-BOT-BC303658  Glebionis coronaria Steven A. Junak 1997-5-20 SCI- 878 Los Angeles WIlson Cove, in Public Works Storage Yard, behind gymnasium bldg, San Clemente Island 60 Comment
  POM294035  Glinus lotoides Lyman Benson 1944-11-12 11561 Los Angeles North shore of Puddingstone Lake, San Dimas. San Jose Hills, Pacific Slope drainage area. 305 Comment
  UCR210526  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2008-12-6 9957 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  UCR270916  Gnaphalium microcephalum R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14328 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  UCR242029  Gnaphalium stramineum Dan S. Cooper 2012-7-5 712- 36 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park just west of South La Brea Blvd 145 Comment
  RSA727377  Grayia spinosa R. G. Swinney 1998-5-16 6104 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, west of Mescal Highlands, Graham Canyon, 0.3 mi. N of Panorama Way at Graham Cyn. Motorway, 2.0 mi. S. of Ft. Tejon Rd. 1317 Comment
  RSA696729  Grayia spinosa Seacord s.n. Los Angeles West Mohave. Comment
  CAS-BOT-BC305265  Grindelia hirsutula Le Roy Abrams 1898-7-1 s.n. Los Angeles Inglewood Comment
  CAS-BOT-BC305266  Grindelia hirsutula Peter H. Raven; Henry J. Thompson 1959-6-4 14344 Los Angeles Santa Monica Mountains. Point Dume 15 Comment
  CAS-BOT-BC304624  Gutierrezia californica Brandegee No date on label s.n. Los Angeles Arroyo Seco, San Gabriel Mts. 350 Comment
  LA203626  Gutierrezia sarothrae Joseph Andorfer Ewan; 1931-8-7 4871 Los Angeles San Bernardino Mountains, Holcomb Valley 2194 Comment
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Feb 12 2015
  RSA0041771  Hainardia cylindrica Mark L. Hoefs, Steven A. Junak 1997-6-4 2765 Los Angeles Santa Catalina Island: Deep tank reservoir, by road above Empire Landing. 106 Comment
  UCR205518  Haplopappus menziesii A. C. Sanders, T. B. Salvato 2009-5-19 36818 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA188132  Hazardia squarrosa var. grindelioides R. F. Thorne 1966-4-28 36242 Los Angeles Santa Catalina Island. Near junction of Wrigley Drive and Renton Mine Road. 91 Comment
  UCR61067  Hedera helix R. G. Swinney 1989-7-6 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon, 1 mi. east of Glendora Mtn. Rd. 428 Comment
  RSA755460  Helenium bigelovii R. G. Swinney 2008-7-16 9264 Los Angeles Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1817 Comment
  RSA773832  Helenium puberulum R. G. Swinney 2009-6-12 11115 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  CAS-BOT-BC223984  Helianthemum scoparium Le Roy Abrams 1901-4-3 1278 Los Angeles Santa Monica Mts. Comment
  POM279065  Helianthus annuus subsp. lenticularis R. F. Thorne, C. W. Tilforth 1971-4-9 41531 Los Angeles Angeles National Forest; or near entrance thereto and below entrance to wooded area of San Dimas Canyon along San Dimas Creek. 381 Comment
  UCR187189  Heliotropium curassavicum A. C. Sanders 2006-5-16 32323 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  SD252293  Heliotropium curassavicum Steven A. Junak 2000-10-12 Sca 1413 Los Angeles Santa Catalina Island: On N side of Thompson Reservoir. 195 Comment
  UCSB5612  Heliotropium curassavicum Ralph, F. 1959-7-18 Los Angeles on U.S. 99; about 6.4 miles south of its jct. with Calif. 138 762 Comment
  LA82230  Heliotropium curassavicum var. oculatum Peter H. Raven; Henry J. Thompson 1959-6-4 14334 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  CAS-BOT-BC310104  Hemizonella minima Geo. B. Grant 1906-6-17 543 a-6689 Los Angeles Summit Mt. Wilson 1828 Comment
  RSA246447  Hemizonia clementina F. R. Fosberg 1931-5-17 S 4887 Los Angeles Santa Catalina Island. Little Harbor. 5 Comment
  CAS-BOT-BC403841  Hesperocnide tenella John H. Thomas 1957-5-3 6733 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  UCSB72453  Hesperocnide tenella Gross, LeRoy; Soza, Valerie 2001-6-6 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road 701 Comment
  CAS-BOT-BC403829  Hesperocnide tenella Louis C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch Comment
  UCR146320  Hesperolinon micranthum James Henrickson 1998-6-12 22240 Los Angeles Newhall area N of LA, on a proposed subdivsion land on Mae Way between Mae Way and Happy Valley Drive, south of Lyon's Avenue in Newhall 383 Comment
  LA22804  Hesperoyucca whipplei W. B. Welch; 1928-4-15 sn Los Angeles San Gabriel Mountains, Big Tujunga Comment
  SEINET10460651  Heterocodon rariflorum Thorne THORNE 138224 Los Angeles SAN GABRIEL MTNS 1600 Comment
  RSA659572  Heteromeles arbutifolia Brian McColgan 1988-5-10 8 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
  SBBG45257  Heteromeles arbutifolia D. Propst 1962-12-24 Los Angeles Black Jack Rd, halfway up on Cape Cyn Comment
  UCR212809  Heteromeles arbutifolia Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1820 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel River main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 401 Comment
  RSA0074514  Heterotheca fastigiata Orlando Mistretta 1992-7-14 702 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. On canyon walls. Mouth of Canyon. Comment
  JEPS30526  Heterotheca grandiflora Henry J. Thompson 1958-10-23 1813 Los Angeles Point Dume San Gabriel Mountains, Point Dume 30 Comment
  UC32761  Heterotheca grandiflora Dr. Vogt 1897-1-1 71 Los Angeles Antelope Valley Comment
  UCR133646  Heterotheca grandiflora A. C. Sanders 2003-7-15 27097 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks 335 Comment
  RSA0075801  Heterotheca grandiflora G. J. Hollenberg 1928-7-10 13946 Los Angeles Venice. Comment
  UCR206517  Heterotheca sessiliflora A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36947 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  CAS-BOT-BC311262  Heterotheca sessiliflora subsp. echioides Carl B. Wolf 1932-9-15 4081 Los Angeles Mint Canyon, 9 1/2 mi. above Saugus. Opposite Glenwood's Cafe on Highway 457 Comment
  RSA0114816  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2011-10-25 15862 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  JEPS104672  Heuchera John L. Morrison 1937-6-18 2543 Los Angeles San Gabriel Mountains. On N slope of trail from Windy Camp to Mount Baden Powell Comment
  RSA0127002  Heuchera caespitosa Louis C. Wheeler 1967-8-1 10212 Los Angeles Angeles National Forest. Granite Mt. 2012 Comment
  SEINET2431527 Image available Heuchera elegans Wesley O. Griesel 1961-7-9 Los Angeles White Thorn Picnic Area, State Highway #2, San Gabriel Mountains. 2290 Comment
  RSA729420  Hieracium argutum R. G. Swinney 1998-8-21 6785 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  UC306194  Hieracium argutum I. M. Johnston 1918-8-25 2129 Los Angeles shaded cliff in Evey Canyon (San Antonio Mountains); , Evey Canyon 914 Comment
  CAS-BOT-BC319772  Hieracium argutum George L. Moxley 1920-8-28 822 Los Angeles Garapito Canyon, Santa Monica Mts. Comment
  RSA483703  Hirschfeldia incana Richard Noyes, L. Arnseth 1988-4-30 493 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  RSA592187  Hirschfeldia incana L. C. Wheeler 1967-3-3 9171 Los Angeles Sunset Ridge, west of Chaney Trail. Comment
  RSA658483  Hirschfeldia incana Patricia Kouo 1994-5-6 945216 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the West side of Rosemead Blvd , at the most south lake. Comment
  RSA229051  Holodiscus microphyllus Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38908 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  SBBG132299  Hordeum S. A. Junak, B. Collins 1991-4-25 SCI- 229 Los Angeles overlooking E side of island, Triangulation Point "Jack" 274 Comment
  UCR174489  Hordeum brachyantherum subsp. brachyantherum Anuja Parikh, Nathan Gale 2005-4-23 2105 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  SBBG12192  Hordeum murinum P. H. Raven 1962-4-9 17138 Los Angeles near barracks, Wilson Cove 60 Comment
  CAS-BOT-BC289338  Hordeum murinum subsp. glaucum M. B. Dunkle 1939-5-28 8108 Los Angeles East side Santa Barbara Island Comment
  POM180361  Hordeum murinum subsp. glaucum Edwin B. Bartram 1920-2-5 s.n. Los Angeles Santa Monica Beach Comment
  LA14702  Hordeum murinum subsp. glaucum Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass Comment
  CAS-BOT-BC273520  Hordeum vulgare A. H. Gallup 1949-5-28 s.n. Los Angeles Open field north of lake, LASCA Comment
  LA211069  Hordeum vulgare Arthur C. Gibson; 2010-3-1 s.n. Los Angeles SANTA MONICA MOUNTAINS, Kittridge Rd., Woodland Hills, on the the margin of Santa Monica Mountains. Comment
  RSA625001  Horkelia cuneata subsp. puberula Louis C. Wheeler 1963-5-5 8249 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. 549 Comment
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Jul 25 2007
  UC1532945  Horkelia rydbergii Robert F. Thorne 1969-7-2 38217 Los Angeles Charlton Flats San Gabriel Mtns, Angeles National Forest Comment
  UCD106117  Hosackia oblongifolia Victor Duran 1933-7-22 3528 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCSB26720  Hulsea heterochroma Wilken, Dieter 1968-6-1 Los Angeles North Fork Mill Creek Canyon, along Los Angeles County Road N3, 3 miles south of Mill Creek Summit, San Gabriel Mtns. 1463 Comment
  UCD128244  Hydrocotyle verticillata June McCaskill; Bettylee Leard 1968-6-2 733 Los Angeles in central aisle in small lathhouse; behind residence at 532 North Catalpa Road, Arcadia. Comment
  RSA772422  Hymenoclea salsola R. G. Swinney 2009-4-29 10613 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA0127207  Hypochaeris glabra Louis C. Wheeler 1967-7-15 10010 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  CAS-BOT-BC311717  Isocoma menziesii var. vernonioides Henry J. Thompson 1958-10-23 1814 Los Angeles Santa Monica Mountains. Point Dume 30 Comment
  JEPS26186  Isocoma menziesii var. vernonioides Peter H. Raven and Henry J. Thompson 1959-10-4 14554 Los Angeles at Santa Monica Canyon Coast Highway; Santa Monica Mountains 15 Comment
  POM359490  Isocoma menziesii var. vernonioides F. R. Fosberg 1931-9-16 5684 Los Angeles Baldwin Hills. 50 Comment
  SBBG62841  Isocoma menziesii var. vernonioides R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UC32930  Isocoma menziesii var. vernonioides J. H. Barber 1897-9-16 283 Los Angeles Santa Monica Experimental Station Comment
  UCD150955  Iva hayesiana D. S. Park 2010-4-26 40 Los Angeles Ranch Santa Ana Botanic Garden 383 Comment
  RSA0011184  Juglans californica Ora M. Clark 1929-2-3 1511 a Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  UC57607  Juglans californica var. californica J. H. Barber 1897-4-4 125 Los Angeles Santa Monica Forestry Station Comment
  CAS-BOT-BC110035  Juncus acutus Grant 1901-4-18 3834 Los Angeles Redondo. Comment
  CAS-BOT-BC110036  Juncus acutus Peter H. Raven; Henry J. Thompson 1959-10-4 14556 Los Angeles Santa Monica Mountains. Coast Highway opposite Canfield's Pacific Palisades. 12 Comment
  CATA809  Juncus acutus subsp. leopoldii Mark L. Hoefs, Robert Given 1991-6-12 1381 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  IRVC28561  Juncus acutus subsp. leopoldii A. C. Sanders 2003-8-6 27123 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  RSA368160  Juncus bufonius F. R. Fosberg 1931-5-6 S- 4788 Los Angeles Cape Canyon, Santa Catalina Island. 220 Comment
  SD69568  Juncus bufonius Robert F. Thorne 1966-6-1 36496 Los Angeles Santa Catalina Island, bed and wet margins of stream flowing from reservoir at upper end of Cape Canyon. 334 Comment
  RSA577429  Juncus bufonius var. bufonius L. C. Wheeler 1936-6-26 4192 Los Angeles Lewis Paul Canyon, San Gabriel Mts. 518 Comment
  RSA730314  Juncus covillei R. G. Swinney 1998-9-4 6907 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  RSA70261  Juncus macrandrus F. W. Peirson 1922-7-6 3180 Los Angeles Big Pines Meadow, Swartout Valley Region, San Gabriel Mountains. 2088 Comment
  RSA0021956  Juncus macrophyllus Duncan S. Bell, Caitlin Elam 2013-6-24 5294 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
  RSA669338  Juncus macrophyllus LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 562 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  UC842378  Juncus macrophyllus Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Seco 975 Comment
  RSA368237  Juncus mexicanus F. R. Fosberg 1930-7-3 S- 3110 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  RSA368230  Juncus mexicanus Ralph Hoffmann 1930-4-28 2335 Los Angeles Lancaster Comment
  JEPS45912  Juncus oxymeris Louis C. Wheeler 1934-5-14 2590 Los Angeles near mouth of San Dimas Canyon; San Gabriel Mts. 441 Comment
  RSA0127456  Juncus oxymeris Louis C. Wheeler 1967-7-20 10139 Los Angeles Aliso Canyon. 1067 Comment
  RSA730313  Juncus rugulosus R. G. Swinney 1998-9-4 6906 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  SEINET8465036 Image available Juncus tenuis A. C. Sanders, TB. Salvato 2009-5-20 36868 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  POM17585  Juncus torreyi Phillip A. Munz 1923-8-30 7646 Los Angeles Lone Pine Canyon, San Antonio Mountains. 1524 Comment
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Mar 24 2014
  IRVC5004  Juncus xiphioides Peter H. Raven, H. J. Thompson 1960-7-17 15559 Los Angeles Santa Monica Mountains, along Malibu Creek 2 miles above the ocean. Comment
  UC1922760  Juncus xiphioides Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1349 Los Angeles Transverse Ranges; Verdugo Mountains region; Near intersection of La Tuna Canyon and Las Barras Canyon at lower end of Hostetter Mtwy. 473 Comment
  UC213656  Juncus xiphioides I. M. Johnston 1917-8-23 1684 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1524 Comment
  POM244244  Keckiella breviflora Carl B. Wolf 1936-5-27 7842 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  CAS-BOT-BC235749  Keckiella cordifolia Joseph Andorfer Ewan 1933-7-4 7879 Los Angeles Spanish Canyon above Monrovia, San Gabriel Mts. 609 Comment
  CATA3229  Keckiella cordifolia Julie L. King 2017-1-17 40 Los Angeles Santa Catalina Island: South side of West End Rd., about 75 meters west of junction with Howlands Watertank Rd. 33 Comment
  JEPS11572  Keckiella cordifolia Frank W. Peirson 1924-6-16 Los Angeles Pasadena Comment
  SBBG13561  Keckiella cordifolia P. H. Raven 1962-5-10 17733 Los Angeles Horse Cyn, just above cyn floor; the large cyn W of Thirst 274 Comment
  SFV13111  Keckiella cordifolia W. M. Perry 1980-7-3 76 Los Angeles San Gabriel Mountains East side of Cattle Canyon. Comment
  RSA0092160  Keckiella ternata subsp. ternata R. G. Swinney 2011-9-22 15683 Los Angeles San Gabriel Mountains: SE side of Camp Colby (Colby Ranch), Colby Gravy marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA403461  Koeleria macrantha Anstruther Davidson 1891-05 s.n. Los Angeles Foothills, Los Angeles. Comment
  SEINET10827120  Koeleria macrantha LeRoy R. Abrams Abrams 1219 Los Angeles Ballina Harbor. Comment
  RSA549588  Krascheninnikovia lanata T. S. Ross 1992-4-4 6076 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA596215  Krascheninnikovia lanata T. S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3383 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  UC1595462  Krascheninnikovia lanata Tim Ross 1992-4-4 6076 Los Angeles near s.w. base to summit Adobe Mt.; s.w. Mojave Desert, Adobe Mt. U.S.G.S. 7.5' topo, Adobe Mt. 926 Comment
  SBBG63064  Laennecia coulteri R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  UCR240278  Lagophylla ramosissima S. J. Myers 2010-6-14 s.n. Los Angeles Western Mojave Desert, Antelope Valley, California Poppy Preserve, Southern California Edison transmission tower on a low ridge at the eastern end of the Antelope Buttes, east of 130th St. West, north of West Ave. E 8, NW of Lancaster 822 Comment
  SJSU2244  Lagunaria patersonia C. W. Sharsmith 1942-9-9 4513 Los Angeles public park opposite Beverly Hills Hotel, Beverly Hills Comment
  RSA592436  Lamarckia aurea L. C. Wheeler 1967-5-13 9515 Los Angeles San Gabriel Mountains. West side of Little Dalton Canyon, Glendora Mt. Road. 480 Comment
  RSA594453  Lamarckia aurea D. L. Banks 1996-3-25 864 Los Angeles Claremont; Oakwood Apartments; 580 S. Bucknell Avenue; W side of street across from the Apartment complex. On disturbed ground between the sidewalk and school playground. Comment
  POM352632  Lamarckia aurea Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  SEINET10598981  Lamarckia aurea Cyrus G. Pringle 1882-5-9 Pringle 15083 Los Angeles Comment
  RSA720158  Lantana montevidensis LeRoy Gross 2007-4-21 2649 Los Angeles East end of the range; Small canyon or draw. End of Capistrano Ave. just pass the intersection with El Rito Ave. City of Glendale. Near 336 Comment
  OBI7878  Larrea divaricata G. L. Parsons 1976-5-21 47 Los Angeles Mojave Desert, 20 mi E of Lancaster Comment
  UC1871168  Lasthenia californica T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4913 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  UC1587207  Lasthenia gracilis Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5331 Los Angeles between Box and Horse Canyons; w side San Clemente Island 484 Comment
  UC1584756  Lathyrus latifolius Tim Ross and Annette Ross 1991-3-7 4151 Los Angeles n slopes Elephant Hill (w Pomona); Pomona, San Dimas U.S.G.S. 7.5' Quad. 335 Comment
  CATA3470  Lathyrus tingitanus Stuart Olshevski, Jaimie Choi, Olivia Reda, Tobias Nickel 2017-5-8 005 Los Angeles Santa Catalina Island: Channel side; Twin Rocks watershed, west side of Airport Road halfway between Old Hunting Rd and Empire Landing Road 464 Comment
  RSA526619  Lathyrus vestitus subsp. laetiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4209 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA405688  Lathyrus vestitus subsp. laetiflorus James Clizbe 1930-4-2 s.n. Los Angeles Griffith Park Comment
  UC69530  Lathyrus vestitus var. vestitus J. Burtt Davy May 9 1896-May 24 1896 2463 Los Angeles Manzana, near Cramm's place Antelope Valley Comment
  RSA90277  Lathyrus vestitus var. vestitus F. W. Peirson 1925-4-23 5796 Los Angeles Forks of San Gabriel River. 534 Comment
  RSA0091972  Layia glandulosa R. G. Swinney 2011-4-20 14429 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA630308  Layia glandulosa L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  UCR149816  Layia glandulosa Scott D. White, Michael Honer 2004-3-30 9971 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  UCR189273  Layia glandulosa R. G. Swinney 1998-5-16 6085 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR239609  Lepidium Dan S. Cooper 2011-3-8 311- 38 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC126765  Lepidium dictyotum A. C. Sanders; Stephen Reynolds; Anuja Parikh; Nathan Gale; et al 2010-3-29 37631 Los Angeles Tehachapi Mtns. Foothills/W Mojave Desert: ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  RSA604150  Lepidium didymum L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  UCSB56088  Lepidium didymum Thorne, Robert 1973-4-11 Los Angeles Rancho Santa Ana Botanic Garden-Claremont; near administration building 365 Comment
  UCR282007  Lepidium fremontii R. G. Swinney 2014-4-30 16243 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
  RSA429893  Lepidium fremontii B. C. Templeton 1931-4-19 s.n. Los Angeles 9 miles W of Lancaster Comment
  UC55211  Lepidium nitidum Jos. Burtt Davy 1901-1-25 Los Angeles Saugus Comment
  POM9842  Lepidium nitidum var. nitidum P. A. Munz, R. D. Harwood 1920-3-13 3314 Los Angeles San Jose Hills, 3 miles W of Pomona. 305 Comment
  CAS-BOT-BC60034  Lepidium virginicum var. menziesii John Thomas Howell 1931-4-12 6296 Los Angeles Santa Cruz Island. At Cochie Bay. Comment
  CAS-BOT-BC328059  Lepidospartum squamatum N. Dunn; J. Ewan 1931-12-6 5556 Los Angeles Higgins Canyon above Beverly Hills. Santa Monica Mts. Comment
  RSA754091  Lepidospartum squamatum Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1805 Los Angeles Lario San Gabriel River Trail Park. 180 Comment
  UCR205641  Lepidospartum squamatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37000 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  CATA422  Leptochloa fusca subsp. uninervia Sara L. Crockett 1997-2-1 559 Los Angeles Santa Catalina Island: 0.3 mile NE of Wrigley Botanical Garden, toward Avalon on Avalon Canyon Road (E side), on N side of L. A. County Interpretive Center 91 Comment
  RSA648214  Leptodactylon californicum Stephen Hill 1981-2-2 14 Los Angeles 0.7 mi. S. of Silverbit on Valley Center in open field on N. side of road. Comment
  SD7455  Leptosiphon aureus J. C. Nevin 1885-1 Los Angeles Los Angeles Comment
  RSA73031  Leptosiphon breviculus F. W. Peirson 1921-6-18 4710 Los Angeles divide north of Mt. Islip 2042 Comment
  SBBG64584  Leptosiphon breviculus R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  UCR271582  Leptosiphon breviculus R. G. Swinney 2011-5-19 14767 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
  SBBG60880  Leptosyne bigelovii R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UCR149898  Lessingia glandulifera var. glandulifera R. G. Swinney 1999-6-18 7319 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  SBBG60774  Leucosyris carnosa R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  CAS-BOT-BC274471  Leymus triticoides Steve Boyd; Amber Maurice 2004-5-18 11325 Los Angeles Transverse Ranges; Liebre Mountains region: Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  SEINET10595880  Leymus triticoides Frank W. Gould 1944-5-7 Gould 2334 Los Angeles On open roadside and along railroad; near junction of Imperial Highway and Firestone Blvd. (near Compton). Chromosome number 2n=42. Comment
  PASA2350  Libocedrus Los Angeles PHS grounds, Pasadena Comment
  UCR194052  Lilium humboldtii R. G. Swinney 1998-8-21 6782 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  LA22074  Lilium parryi W. R. Ernst; May 1947 sn Los Angeles Little Cedar Canyon, Crystal Lake Comment
  UCR209963  Lilium parryi R. G. Swinney 2008-7-15 9232 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  UC421659  Linanthus aureus John Thomas Howell 1928-5-25 3822 Los Angeles Chandler's 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
  UCR209862  Linanthus breviculus R. G. Swinney 2008-7-15 9195 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  LA52333  Linanthus californicus Barbara Crumly; 1953-4-26 sn Los Angeles 99 Comment
  RSA468481  Linanthus californicus N. C. Cooper 1949-4-19 3618 Los Angeles Newhall. 457 Comment
  RSA690925  Linanthus californicus J. Mark Porter, Lauren Machen 2004-5-1 14080 Los Angeles San Gabriel Mountains, along Glendora Ridge Road, near the 7.00 mile marker. 1271 Comment
  RSA763522  Linanthus californicus Doris Bowers 1957-5-5 251 Los Angeles San Gabriel Canyon 915 Comment
  RSA695508  Linanthus concinnus Valerie L. Soza, Sarah J. De Groot 2003-6-18 1692 Los Angeles Mount Hillyer Trail from Horse Flats Campground. 1829 Comment
  SDSU3177  Linanthus concinnus D. F. Howe 1979-4-30 5086 Los Angeles 2 miles NW of Devil's Punch Bowl. 1433 Comment
  RSA334155  Linanthus dichotomus subsp. dichotomus R. F. Thorne 1973-5-11 43552 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  RSA587470  Linanthus dichotomus subsp. pattersonii Orlando Mistretta 1995-4-5 1604 Los Angeles Drainage W of Little Rock Creek Reservoir. 1189 Comment
  RSA715753  Linanthus liniflorus Scott D. White, Andrea Warniment 2006-7-7 11622 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  UCD118653  Linanthus parryae Steve Boyd 1986-3-30 1516 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA252874  Linanthus parryae R. F. Thorne 1973-5-11 43523 Los Angeles San Gabriel Mts., Mojave Desert slope: Juniper Hills, c. 2 mi S of Ft. Tejon Road 1250 Comment
  UC1602144  Linanthus parviflorus A. D. Gifford 1935-4-15 586 Los Angeles 1.25 mi ne Quail; Tejon Quad. 1036 Comment
  UCR186894  Linanthus parviflorus A. C. Sanders 2006-4-14 32052 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  SBBG108416  Linanthus pygmaeus subsp. pygmaeus T. Ross, G. Allan 1995-5-21 8617 Los Angeles between main stem of Horse Beach Cyn on W and the main W stem of Chenetti Cyn on the e, 4790' NNW of Slope Triangulation Pt (781' and 5070' WSW of 1135' tri. p. near "Chenity" 315 Comment
  UCR178795  Lithophragma R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon 442 Comment
  UCSB2562  Lithophragma affine Beach, Kay 1943-3-25 Los Angeles San Dimas Exp. Forest; gage 25 Comment
  CAS-BOT-BC432213  Lithophragma bolanderi Steve Boyd; Lauren Raz 1997-5-20 9794 Los Angeles Liebre Mountains Region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads. 1548 Comment
  RSA0086826  Lithophragma bolanderi R. G. Swinney 2011-5-3 14562 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  UC1606945  Lithophragma tenellum Robert F. Thorne and Larry DeBuhr 1974-6-28 44759 Los Angeles n slope Mt. Hawkins (drainage of S Fork Big Rock Creek, Lily Springs area); San Gabriel Mts, Angeles National Forest, S Fk Big Rock Cree 2438 Comment
  SBBG127004  Lobelia dunnii var. serrata A. Parikh, N. Gale 2011-7-20 3570 Los Angeles W Fork San Gabriel River, 6.6 km W of St Hwy 39; San Gabriel Mtns 621 Comment
  RSA657439  Lobularia maritima Joseph M. Keefe 2001-1-19 30897 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, 90042. 262 Comment
  POM273281  Lobularia maritima George B. Grant 1898-3-26 s.n. Los Angeles Pasa Comment
  RSA279035  Lobularia maritima R. F. Thorne 1971-4-23 41487 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA624068  Loeflingia squarrosa L. C. Wheeler 1967-5-18 9653 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  RSA682511  Loeflingia squarrosa Scott D. White, Michael Honer 2003-5-7 9195 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  RSA739664  Logfia filaginoides John Dittes 2006-5-30 1376 Los Angeles Western Transverse Range, San Gabriel Mtns, Big Tujunga Canyon, 3.7 air miles NE of Verdugo Hills High School, 2.5 air mile SW of Condor Peak, 2.5 air miles SSE of Mt. McKinley 529 Comment
  RSA784230  Lolium J. D. Olmsted 1962-4-30 416 Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  RSA658484  Lolium perenne Patricia Kouo 1994-4-27 944136 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  UCD127630  Lomatium dasycarpum subsp. dasycarpum Steve Boyd; Lauren Raz, Timothy S. Ross 1997-4-1 9467 Los Angeles upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of 'Osito Flat. 792 Comment
  RSA719027  Lomatium mohavense R. G. Swinney 1998-4-14 5975 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCSB4666  Lomatium mohavense Haller, John 1957-4-13 Los Angeles In upper Mint Canyon, ca. 5 road miles E. of road to Acton and 10 road miles E. of Angeles forest Highway junc. 914 Comment
  SBBG50065  Lonicera subspicata M. R. Benedict 1970-6-17 Los Angeles lower Cape Cyn about 0.5 mi above Middle Cyn Comment
  POM4403  Lonicera subspicata var. denudata I. M. Johnston 1917-5-13 980 Los Angeles In San Gabriel Wash. 152 Comment
  SFV21117  Lonicera subspicata var. denudata L. Gross 2003-6-19 1098 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. Canyon bottom (the canyon is not as deep as the hills north of 210 Freeway are low Homes are in the northern portion, the southern half gets just a little steeper on the slopes with more water in the creek. 457 Comment
  UC421577  Lonicera subspicata var. denudata John Thomas Howell 1927-10-16 3157 Los Angeles trail to Santa Anita Canyon; San Gabriel Mts. Comment
  CAS-BOT-BC198537  Lotus G. B. Grant 1900-3-29 s.n. Los Angeles Avalon Comment
  RSA0003343  Lotus argophyllus var. argenteus M. B. Dunkle 1939-4-5 7273 Los Angeles Pyramid Cove, San Clemente Island. Comment
  UC75502  Lotus argophyllus var. argophyllus unknown Jun 1904 Los Angeles near Cahuenga Pass Comment
  UCR270101  Lotus argophyllus var. argophyllus R. G. Swinney 2011-7-21 15336 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  POM276686  Lotus crassifolius var. crassifolius Victor Duran 1933-7-8 3504 Los Angeles San Gabriel Mountains, Horse Flats 1677 Comment
  RSA0003333  Lotus davidsonii Anstruther Davidson 1893-7-22 s.n. Los Angeles Mt. Wilson. 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
  UCR86841  Lotus hamatus Scott D. White 1995-4-27 2954 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
  JEPS55487  Lotus heermannii Frank W. Peirson 1918-5-21 99 Los Angeles Arroyo Seco San Gabriel Mountains 487 Comment
  RSA802334  Lotus heermannii var. heermannii Orlando Mistretta, Cher Batchelor 2011-7-27 5989 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  UCR126828  Lotus humistratus A. C. Sanders 2003-6-19 26977 B Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  RSA498758  Lotus humistratus M. Lindsay 1928-4-5 14573 Los Angeles Palos Verdes Hills Comment
  UCR223527  Lotus oblongifolius R. G. Swinney 2009-5-28 10921 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA406249  Lotus procumbens Robert Gustafson 1978-6-1 961 Los Angeles Ca. 0.5 mile east off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, ca. 1 mile S of Gorman. 1311 Comment
  RSA148468  Lotus procumbens var. procumbens J. B. Feudge 1924-6-10 853 Los Angeles Big pines, desert slope of San Gabriel Mts. 1982 Comment
  POM128895  Lotus salsuginosus F. M. Reed 1909-7-2 2809 Los Angeles Pebbly Beach Road, Santa Catalina Island Comment
  UC15686  Lotus salsuginosus J. H. Barber 1897-3-28 106 Los Angeles Santa Monica Experimental Station Comment
  RSA498653  Lotus scoparius William Greenberg 1939-7-24 s.n. Los Angeles Santa Monica Canyon. Comment
  UCR223833  Lotus scoparius subsp. brevialatus R. G. Swinney 2009-6-17 11175 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  SEINET243736 Image available Lotus scoparius var. brevialatus Unknown, Scott Steppan 1883-1-4 Los Angeles Sierra Madre Villa Comment
  UCR126719  Lotus strigosus A. C. Sanders, Mark Elvin 2003-4-14 25949 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  RSA710800  Lotus strigosus LeRoy Gross 2005-5-3 2250 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
  RSA406267  Lotus unifoliolatus Louis Greata 1899-07 s.n. Los Angeles Garvanza, South California. Comment
  RSA406260  Lotus unifoliolatus M. B. Dunkle 1930-7-13 2432 Los Angeles Summit, Head Grand Canyon. Comment
  RSA599705  Lotus wrangelianus Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9453 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  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
  RSA607709  Ludwigia peploides subsp. peploides Scott D. White 1997-11-5 6014 Los Angeles Malibu Coast: Mouth of Trancas Cyn., north of Pacific Coast Hwy. 8 Comment
  CAS-BOT-BC201431  Lupinus albifrons var. albifrons Charles Piper Smith 1946-4-14 46155 Los Angeles San Fernando, 6.2 miles north on Highway 99 Comment
  SBBG68954  Lupinus albifrons var. albifrons R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  CATA1588  Lupinus bicolor Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2858 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  RSA0080774  Lupinus bicolor R. G. Swinney 2010-4-13 12187 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom. 610 Comment
  UCD107281  Lupinus bicolor Daryl Koutnik; American Birder 1978-4-15 373 Los Angeles Porter Ranch in the San Fernando Valley, west of Limekiln Canyon. 609 Comment
  POM12344  Lupinus bicolor subsp. microphyllus F. L. Robinson 1921-4-14 7 Los Angeles Claremont. Comment
  SEINET10484879  Lupinus bicolor subsp. microphyllus David B. Dunn 1955-5-6 Dunn 11851 Los Angeles In stoddard canyon below the fork in road in san antonio canyon. Ca 1.25 years After the fire with through stripping the chaparral out. A few of the sicamores Had a narrow strip of cambium survive on the down canyon side. Live oaks Resprouting from many branches. Shrubs stump sprouting and an abundance of Herbaceous species Comment
  SEINET10871232  Lupinus bicolor subsp. microphyllus Donald R. Bissing 1973-5-18 Bissing 77 Los Angeles Evey canyon, san gabriel mountains. Herbaceous plant to 10" tall, flowers Small, bicolor, blue and white. In open grassy meadow by roadside .4 mile from Mouth of canyon. Alt. 2400'. 732 Comment
  RSA155803  Lupinus bicolor subsp. umbellatus Peter H. Raven 1962-4-10 17195 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA102541  Lupinus chamissonis McFadden 1929-2-22 s.n. Los Angeles El Segundo. Comment
  RSA617366  Lupinus concinnus Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10231 Los Angeles Liebre Mountains region: Warm Springs Mountain, knoll northwest of summit along road into Necktie Basin. 1133 Comment
  SBBG127522  Lupinus concinnus M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-5 2851 Los Angeles upper end of rd to Toyon Beach 381 Comment
  SDSU19993  Lupinus concinnus S. H Bullock 1968-4-6 40 Los Angeles Claremont, north of Foothill Blvd. between Dartmouth and College Ave. 366 Comment
  UC729812  Lupinus concinnus Carl B. Wolf 1932-5-10 3529 Los Angeles summit of the Equestrian Trail back Avalon, Santa Catalina Island; Santa Catalina Island, back of Avalon 304 Comment
  UCR150822  Lupinus concinnus R. G. Swinney 1998-4-14 5979 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
  UCR159090  Lupinus concinnus B. G. Pitzer 1996-4-20 2693 .1 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  UCR263066  Lupinus concinnus Mitch Provance 2008-4-14 10136 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  RSA406962  Lupinus concinnus var. concinnus F. R. Fosberg 1931-3-26 S- 4385 Los Angeles W Hamilton Canyon, Santa Catalina Island. 80 Comment
  CAS-BOT-BC205153  Lupinus elatus Victor Duran 1933-7-26 3535 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  JEPS65123  Lupinus elatus Frank W. Peirson 1918-6-10 89 Los Angeles Summit of San Gabriel Peak San Gabriel Peak Comment
  RSA571657  Lupinus excubitus var. hallii Reid V. Moran 1941-3-13 704 Los Angeles By Creek, mouth of Hermit Gulch, Santa Catalina 50 Comment
  SFV6495  Lupinus formosus T. Gordon, M. H. Grayum, P. McDonald 1974-6-4 s. n. Los Angeles Santa Susana Mountains Along main ridge, east of summit. 1021 Comment
  UC1870238  Lupinus formosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 699 Los Angeles Transverse Ranges; Verdugo Mountains region; South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 695 Comment
  UCR186985  Lupinus formosus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32233 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  POM2494  Lupinus hirsutissimus Crawford, Otis Hiatt 1916-3-28 566 Los Angeles Santa Monica Mountains. 305 Comment
  UCSB6981  Lupinus hirsutissimus McElwain, I. 1953-3-7 Los Angeles 1/4 mile north 18000 Bull Canyon Rd., Granada Hills Comment
  UCR182738  Lupinus latifolius R. G. Swinney 1997-6-19 5629 Los Angeles San Gabriel Mtns., Big Pines at junction of Big Pines Hwy and Hwy 2 (Angeles Crest), west of Wrightwood 2088 Comment
  UCR209539  Lupinus latifolius R. G. Swinney 2008-7-2 9123 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  POM11043  Lupinus latifolius J. H. Barber 1899-5-7 s.n. Los Angeles No data on label Comment
  RSA584226  Lupinus latifolius subsp. parishii T. S. Ross 1993-5-26 7305 Los Angeles W end of the San Gabriel Mts: near head of upper E Fk Wilson Canyon just S of Lupine Saddle, ca 2100 ft ESE of Wilson Canyon Saddle. 869 Comment
  CAS-BOT-BC211656  Lupinus longifolius Carl B. Wolf 1941-7-2 10959 Los Angeles Along the Highway about 1 m. east of La Crescenta 487 Comment
  SDSU19994  Lupinus longifolius S. H. Bullock 1968-4-6 54 Los Angeles Claremont, north of Foothill Blvd. between Dartmouth and College Ave. 366 Comment
  UCR147710  Lupinus longifolius Valerie Soza, Et al. 2000-6-27 1033 Los Angeles San Gabriel Mountains, Firebreak above Upper Winter Creek Trail, c. 2 mi NW of Chantry Flat along FSR 2N41.2 N of San Olene Canyon 823 Comment
  UCR4177  Lupinus longifolius R. H. Sauer 1965-4-13 s.n. Los Angeles Western Transverse Range; San Gabriel Mtns. Foothills, Next to domestic water intake dam in Arroyo Seco Canyon, Pasadena 366 Comment
  SEINET10485629  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SEINET10838228  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SD215538  Lupinus microcarpus var. microcarpus Steve Boyd, Lauren Raz & Timothy S. Ross 1997-4-1 9477 Los Angeles 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 792 Comment
  JEPS65414  Lupinus peirsonii Herbert L. Mason 1926-4-27 3026 Los Angeles Rock Creek; San Gabriel Mts.; Rock Creek, San Gabriel Mts., Los Angeles Co. Comment
  UCSB12039  Lupinus peirsonii Dearing, Hugh; Dearing, Margaret 1949-5-1 Los Angeles Rock Creek, San Gabriel Mts. Comment
  UCD38458  Lupinus pusillus var. rubens Beecher Crampton 1955-4-28 2720 Los Angeles State Hwy. 138, 5 miles west of Desert Springs. Comment
  RSA008657  Lupinus sparsiflorus Fay A. MacFadden 1933-04 10995 Los Angeles Verdugo Mountains: Tujunga Wash off Radford St., Roscoe. Comment
  RSA252873  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1973-5-11 43520 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA652471  Lupinus succulentus Herb Hamilton 1949-5-4 s.n. Los Angeles Puddingstone Dam. 243 Comment
  SBBG38752  Lupinus succulentus R. Moran 1941-3-2 666 Los Angeles between Wilson's Cove and Howland's 25 Comment
  SD30963  Lupinus succulentus Edith A. Purer 1931-4-28 Los Angeles Palos Verdes Hills, on top of hills in grassy area Comment
  JEPS65495  Lupinus truncatus Frank W. Peirson 1919-3-27 360 Los Angeles Arroyo Seco Canyon San Gabriel Mts. 411 Comment
  RSA414383  Lupinus truncatus M. Bisbee 1917-4-10 s.n. Los Angeles Hill Ave. Eagle Rock Comment
  RSA414384  Lupinus truncatus Anstruther Davidson 1890-05 s.n. Los Angeles [No location information provided.] Comment
  RSA414858  Lupinus truncatus Gus Gluechert 1937-4-13 s.n. Los Angeles Hills above Culver City, Comment
  UCR43351  Luzula comosa David Charlton 1986-6-15 284 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  RSA428583  Lycium brevipes var. hassei Anstruther Davidson 1891-6-25 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SEINET2042302 Image available Lycium cooperi B. Pitzer 1998-5-12 3688 Los Angeles Western Mojave Desert; ca. 18.3 air mi. NW of Adelanto, on dirt road, 0.3 mi E of 240th St. East. Ca. 6.8 mi N of intersection with El Mirage Road, and ca. 3.2 mi S of Avenue J (N5). (Adobe Mountain 7.5'Q) 890 Comment
  CAS-BOT-BC140222  Lyonothamnus floribundus subsp. aspleniifolius Peter H. Raven 1962-5-9 17682 Los Angeles Above Mosquito Cove 274 Comment
  LA92004  Lyonothamnus floribundus subsp. floribundus Peter H. Raven; 1962-5-21 17816 Los Angeles Santa Catalina Island, Santa Catalina Island; lower end of Bull-rush Canyon 198 Comment
  RSA582448  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8204 Los Angeles Santa Catalina Island. W end of the island, midway between Star Bay and Black Point. 280 Comment
  RSA589867  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara 1994-8-4 8210 Los Angeles Santa Catalina Island, SW side of the island, 460m ENE of Carlos triangulation point (972 ft) and 2080m NNW of Quartz triangulation point (1252 ft). 213 Comment
  SBBG20548  Lyonothamnus floribundus var. aspleniifolius E. R. Blakley 1963-12-8 6381 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 365 Comment
  RSA0011273  Lythrum hyssopifolia R. G. Swinney 2008-6-25 9105 Los Angeles Glendora, Harrow Canyon Debris Basin, seep on north-central side. 387 Comment
  UCR214655  Lythrum hyssopifolia A. C. Sanders, Dan S. Cooper 2010-4-30 38146 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  LA210291  Lythrum hyssopifolia Arthur C. Gibson; 2003-7-18 4941 Los Angeles Comment
  UC2026444  Madia elegans Steve Boyd, Laura Moore, M. Wall 1997-7-24 10021 B Los Angeles LIEBRE MOUNTAINS REGION: Summit of Liebre Mountain, saddle between Richardson and Bear canyon, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). Comment
  UCR246420  Madia elegans Dan S. Cooper 2011-7-13 711- 95 Los Angeles San Gabriel Mountains, Monrovia Canyon Truck Trail 595 Comment
  RSA3747  Madia exigua C. B. Wolf 1932-5-11 3573 Los Angeles Santa Catalina Island. On point at west side of Fourth of July Cove. Comment
  CAS-BOT-BC343068  Madia gracilis F. Grinnell Jr. 1917-7-8 s.n. Los Angeles Barley Flats. San Gabriel Mountains 1706 Comment
  POM184705  Madia minima Joseph A. Ewan 1932-6-15 7340 Los Angeles 1/2 mile above Horse Flats, Pine Flats Region 1706 Comment
  RSA636097  Maianthemum stellatum Louis C. Wheeler 1954-8-30 7059 Los Angeles San Gabriel Mountains: Buckhorn Campground. . Comment
  SFV7112  Malacothamnus fasciculatus K. A. Wilson 1974-8-21 1438 Los Angeles Santa Monica Mountains 2 miles west of Las Virgenes Road. 300 Comment
  UCR142499  Malacothamnus fasciculatus Reid Moran 1941-3-3 670 Los Angeles Channel Islands, near Parson's Landing, Santa Catalina Island 200 Comment
  LA41776  Malacothamnus fasciculatus Elizabeth Epling; Juddy Epling 1937-8-20 sn Los Angeles Comment
  RSA9774  Malacothamnus fasciculatus Louis C. Wheeler 1932-5-26 752 Los Angeles San Gabriel Wash. 107 Comment
  UC18790  Malacothamnus fasciculatus var. fasciculatus T. Davidson 1892-1 Los Angeles Los Angeles Comment
  RSA737841  Malacothamnus fremontii LeRoy Gross, Duncan S. Bell 2008-5-27 3423 Los Angeles East of Mill Creek, and Angeles Forest Highway. Southwest of Mill Creek summit. Along Road (4N18.1). 1402 Comment
  RSA653691  Malacothrix clevelandii Valerie L. Soza, Laura Moore 2000-5-10 865 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
  UCR190244  Malacothrix clevelandii R. G. Swinney 2000-5-28 7787 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Redbox Road 2.1 mi. SW of Hwy 39 at Rincon Station 732 Comment
  RSA94957  Malacothrix clevelandii F. W. Peirson 1919-5-21 445 Los Angeles Arroyo Seco Canyon, near Pasadena 685 Comment
  IRVC27981  Malacothrix coulteri A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26112 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  UCR126657  Malacothrix coulteri A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26112 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  RSA233408  Malacothrix foliosa R. F. Thorne 1966-4-15 35998 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove). 76 Comment
  RSA362280  Malacothrix foliosa M. B. Dunkle 1939-4-2 7211 Los Angeles Southeast corner of San Clemente Island Comment
  UC557744  Malacothrix foliosa Nell Murbarger May, 1936 164 Los Angeles e and n sides of island San Clemente Island Comment
  UCR270464  Malacothrix glabrata R. G. Swinney 2011-5-12 14667 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
  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
  CAS-BOT-BC347928  Malacothrix saxatilis var. tenuifolia Carl B. Wolf 1932-5-9 3445 Los Angeles Santa Catalina Island. Pebbly Beach 7 Comment
  LA200248  Malacothrix saxatilis var. tenuifolia Jonathan Sauer; L. Loeher 1979-4-14 6065 Los Angeles 91 Comment
  RSA402657  Malephora crocea Robert Gustafson 1981-3-18 2129 Los Angeles Ballona Wetlands, Area 3. Comment
  CATA1676  Malosma laurina Mark L. Hoefs, Steven A. Junak, Bob Given, Keri Kirkland 1998-7-17 2967 Los Angeles Santa Catalina Island: At junction of Grand Canyon and Silver Canyon 109 Comment
  UC1587559  Malosma laurina Tim Ross 1991-9-2 5934 Los Angeles Near Mulholland Highway. x Yerba Buena Road, draw off w. side of Y.B. Rd. Santa Monica Mts., Triunfo Pass USGS 7.5' Quad. 502 Comment
  PASA1775  Malva parviflora Sally Ellis 1939-4-23 Los Angeles Claremont Comment
  RSA434893  Malva parviflora Ida Lou Sayler 1942-4-10 s.n. Los Angeles Vacant lots, south Pasadena Comment
  SD197818  Malvella leprosa R. G. Swinney 2005-8-5 8360 Los Angeles San Gabriel Mountains: Caldwell Lake at Mile High, 0.4 miles west of junction of 204th Street East and Bip Pines Highway. 1561 Comment
  SEINET10690225  Manihot Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2656 Los Angeles City of Glendale. Havana Market, 1024 E. Colorado St. Comment
  SBBG69430  Marah fabacea R. Hoffmann 1932-4-26 Los Angeles Harold Comment
  SBBG69437  Marah fabacea R. Hoffmann 1932-4-3 Los Angeles where Elizabeth Lake Rd enters hills, Palmdale Comment
  UCD107553  Marah horrida Daryl Koutnik; Bruce Holguin 1978-4-1 220 Los Angeles Elizabeth Lake Road, northwest of Palmdale. 914 Comment
  SBBG37745  Marah macrocarpa R. Moran 1941-2-16 573 Los Angeles Middle Ranch 500 Comment
  UC572600  Marah macrocarpa A. D. Gifford 1935-4-14 578 Los Angeles 2 1/2 mi e Whitaker Pk.; Angeles National Forest, Tejon Quadrangle 914 Comment
  UCR281992  Marah macrocarpa R. G. Swinney 2014-5-27 16690 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  RSA0077295  Marah macrocarpa R. F. Thorne, Jim Henrickson 1963-5-5 32286 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA440998  Marah macrocarpa David Young 1969-3-10 305 Los Angeles 1/2 mi. from gate 6 of Puddingstone State Park, off San Dimas Ave. in canyon 300 yds NW of the road. 305 Comment
  RSA592469  Marah macrocarpa Mark Hoefs 1973-3-13 59 Los Angeles Upper Avalon Canyon, by water tank above Wrigley Memorial, north exp. 274 Comment
  UC452593  Marah macrocarpa var. major C. A. Purpus Los Angeles San Clemente Island Comment
  POM70185  Marrubium vulgare Marcus E. Jones 1882-2-28 s.n. Los Angeles Pasadena. Comment
  RSA603191  Marrubium vulgare Louis C. Wheeler 1972-12-20 12790 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  UCR252872  Marrubium vulgare R. G. Swinney 2010-3-10 11800 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  RSA0011295  Marrubium vulgare House 1930-8-5 s.n. Los Angeles San Clemente Island. Comment
  RSA765462  Marrubium vulgare Doris Bowers 1957-5-2 813 Los Angeles LaVerne 305 Comment
  UCSB51801  Marrubium vulgare Hodgson, John 1928-6-16 Los Angeles Near edge of Peace Valley meadow 944 Comment
  SFV4054  Matricaria discoidea K. A. Wilson 1961-3-14 1025 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Seminole Hot Springs. Small valley with running stream. 290 Comment
  RSA0055857  Matricaria discoidea Doris Bowers 1957-4-26 940 Los Angeles University of LaVerne, LaVerne 320 Comment
  RSA595158  Matricaria matricarioides Steve Boyd 1996-4-25 8703 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA135127  Meconella denticulata Peter H. Raven, H. J. Thompson 1960-4-24 15121 Los Angeles 2 miles E of Decker Road on Milholland Hwy 610 Comment
  RSA445538  Meconella denticulata Elbert Benjamine 1929-5-26 192 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC281525  Melica imperfecta I. M. Johnston 1918-6-2 2020 Los Angeles San Antonio Mts. Evey Canon 914 Comment
  POM353050  Melica imperfecta L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  RSA639721  Melica imperfecta L. C. Wheeler 1968-6-14 s.n. Los Angeles Spring on north side of Blue Ridge by Guffy camp. Comment
  SFV21017  Melica imperfecta L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 700 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  UCR65262  Melica imperfecta F. R. Fosberg 1931-3-19 S- 4307 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon 10 Comment
  POM265685  Melilotus albus J. C. Roos 1942-9-26 1729 Los Angeles Westwood Village, Los Angeles. Comment
  RSA39057  Melilotus indicus E. A. Purer 1932-3-23 2693 Los Angeles El Segundo. Comment
  RSA515099  Mentzelia affinis Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 795 -4 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  SEINET13203247 Image available Mentzelia congesta R. G. Swinney 2011-1 14521 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  RSA440478  Mentzelia lindleyi Geo. C. Johnstone 1926-5-6 s.n. Los Angeles Elysian Park, Los Angeles. Comment
  LA82380  Mentzelia micrantha O. H. Kappler; 1944-4-30 598 Los Angeles Santa Monica Mountains, Latigo Canyon 121 Comment
  RSA446757  Mentzelia micrantha F. R. Fosberg 1931-4-9 687 Los Angeles Divide between Hamiltons and Descanso Canyon, Santa Catalina Island 75 Comment
  SEINET8753688  Mentzelia micrantha A. A. Heller 1908-1 8954 Los Angeles Santa Catalina Island, near Avalon. Comment
  SD50741  Mentzelia ravenii D. F. Howe 1959-5-3 Los Angeles 15 miles west of Lancaster, Los Angeles Co. Comment
  SD42007  Mentzelia veatchiana Darley F. Howe 1947-5-6 Los Angeles North face of San Gabriel Mountains. Comment
  POM18221  Mesembryanthemum crystallinum P. A. Munz 1923-4-13 6785 Los Angeles San Clemente Island. Comment
  CATA453  Mesembryanthemum nodiflorum Sara L. Crockett 1997-3-20 594 Los Angeles Santa Catalina Island: Point overlooking and NE of Ben Weston Beach 164 Comment
  CAS-BOT-BC435282  Mesembryanthemum nodiflorum Alice Eastwood 1920-4-20 9378 Los Angeles San Pedro Comment
  SBBG112948  Microseris douglasii S. A. Junak with K. Kirkland, L. Vorobik 1998-5-16 SCa 705 Los Angeles N side of Airport Rd, at rd side pullout ca. 0.3 mi E of KBRT Radio Station 441 Comment
  POM19012  Microseris douglasii subsp. platycarpha P. A. Munz 1923-4-10 6739 Los Angeles San Clemente Island; S of Lemon Tank west coast Comment
  RSA0088253  Microseris lindleyi R. G. Swinney 2010-5-25 12959 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
  POM363458  Microseris lindleyi L. C. Wheeler 1934-4-15 2522 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  UC1587739  Mimulus Tim Ross and Steve Boyd 1990-6-6 2879 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle 644 Comment
  UCR203238  Mimulus R. G. Swinney 2005-7-21 8333 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA190940  Mimulus aurantiacus var. puniceus Robert F. Thorne 1967-5-20 36903 Los Angeles Santa Catalina Island. 1/3 way from Airport Rd. to mouth of Descano Canyon. 213 Comment
  SEINET7096639  Mimulus breviflorus A. G. Vestal 1955-6-9 s.n. Los Angeles Pico Canyon south and west of Route 99. NAD27, 34.3806? deg. , -118.6021? deg. (converted to WGS84) UTM Zone 11, 352703mE, 3805326mN. Comment
  RSA658839  Mimulus brevipes J. S. Burns 1992-5-11 21 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest 762 Comment
  RSA702369  Mimulus brevipes Scott D. White, Pam De Vries 2004-5-18 10421 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UCR273199  Mimulus brevipes R. G. Swinney 2011-4-26 14469 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA624031  Mimulus brevipes Raymond J. Dobbs 1927-5-4 1242 Los Angeles Switzer's [Gorge] trail, San Gabriel Mountains. Comment
  POM30  Mimulus cardinalis D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA250513  Mimulus cardinalis Robert F. Thorne, John Dourley 1967-10-10 37355 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  RSA580689  Mimulus constrictus Tim S. Ross, S. D. Boyd 1994-5-25 7909 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  RSA188347  Mimulus floribundus Robert F. Thorne, M. Z. Thorne 1966-5-1 36414 Los Angeles Santa Catalina Island: Fern Canyon near stream W of Orizaba Mountain 229 Comment
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Jan 18 2016
  UCR270478  Mimulus floribundus R. G. Swinney 2011-6-30 15413 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA650609  Mimulus floribundus R. S. Woglum 1937-7-17 841 Los Angeles Soldier Creek, North Fork San Gabriel River Canyon. Comment
  POM262945  Mimulus fremontii J. C. Roos 1941-4-12 195 Los Angeles Palmdale. Comment
  RSA724663  Mimulus guttatus K. Dobry 1991-5-13 510 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UC26962  Mimulus guttatus Harley P. Chandler 1897-1-1 Los Angeles Claremont 396 Comment
  POM220010  Mimulus guttatus F. R. Fosberg 1932-5-7 8146 Los Angeles Santa Catalina Island. Grand Can[yon] below Falls. 100 Comment
  RSA535600  Mimulus johnstonii David M. Thompson 1986-6-7 494 Los Angeles 3.0 miles SE of Valyermo-Big Pines road along Big Rock Creek Road, NE side of road. 1390 Comment
  UCR190927  Mimulus moschatus R. G. Swinney 1998-8-6 6697 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  UC1409077  Mimulus pilosus R. F. Thorne, C. W. Tilforth, J. Dourley, and R. Scoggin 1972-8-11 42216 Los Angeles Mt. Waterman San Gabriel Mts., Angeles National Forest (seepage area at top pf ski lift) 2377 Comment
  RSA600465  Minuartia douglasii Steve Boyd, Lauren Raz 1997-4-30 9620 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  UC1930009  Minuartia douglasii V. Soza, LeRoy Gross 2002-4-3 1379 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  SBBG17763  Mirabilis californica P. H. Raven 1962-5-9 17655 Los Angeles rd just N of Guds 249 Comment
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Oct 12 2015
  UC1872958  Mirabilis californica John Knapp and Denise Knapp 2003-5-10 55 Los Angeles Catalina Island; 36765.20N x 3696140.19E 426 Comment
  RSA0041776  Mirabilis californica Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2811 Los Angeles Santa Catalina Island: HIllside above upper Cape Canyon. 359 Comment
  SD251760  Mirabilis laevis M. B. Dunkle 1939-5-28 8107 Los Angeles Santa Barbara Island. South end of island. Comment
  UC917855  Mirabilis laevis var. crassifolia Frank W. Gould 1944-3-26 212 b Los Angeles Palos Verdes Hills near Walteria Comment
  RSA0027972  Mirabilis laevis var. crassifolia Tim S. Ross, Annette Ross 1991-3-7 4140 Los Angeles Elephant Hill: western Pomona. 274 Comment
  CAS-BOT-BC215672  Monardella australis subsp. cinerea H. E. McMinn 1926-7-22 1775 Los Angeles Bear Flat Trail to Mt. San Antonio Comment
  SBBG13654  Monardella breweri E. R. Blakley 1958-5-10 2280 Los Angeles Hwy 138, 14 mi E of Quail Lake, Antelope Valley 914 Comment
  RSA0049504  Monardella breweri subsp. lanceolata Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Liebre Mountains region: Bouquet Canyon. Comment
  RSA717869  Monardella cinerea R. G. Swinney 1995-8-28 4476 Los Angeles West Mt. Baldy Summit, 11S MH-4E, 9N 3012 Comment
  LA62776  Monardella exilis Carl Epling; 1937-6-16 sn Los Angeles 2.2 mi. E of Highway on Ave. I, Lancaster Comment
  UCR157990  Monardella exilis David Charlton, Mark Hagen 1989-6-14 3253 Los Angeles Western Mojave Desert, southwest of Piute Ponds, Edwards Air Force Base 701 Comment
  POM19041  Monardella lanceolata P. A. Munz 1923-6-9 6932 Los Angeles Bouquet Canyon, near Saugus. 1006 Comment
  RSA0003924  Monardella lanceolata var. glandulifera I. M. Johnston 1918-9-1 2139 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  RSA573709  Monardella linoides subsp. stricta Tim S. Ross 1990-8-17 3146 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  CAS-BOT-BC349494  Monolopia lanceolata A. J. McClatchie 1897-4-9 s.n. Los Angeles Palos Verdes Hills near Redondo Comment
  RSA392629  Mucronea californica var. suksdorfii Jack Rempel 1934-5-14 s.n. Los Angeles Playa del Rey. Comment
  CATA172  Muhlenbergia microsperma Mark L. Hoefs, A. Douglas Propst 1973-4-6 137 Los Angeles Santa Catalina Island: Middle of Cape Canyon, southeast exposure 304 Comment
  UCR184225  Muhlenbergia rigens A. C. Sanders 2007-4-19 33445 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  CDA8832  Munzothamnus blairii T. Niehaus, W. Roderick 1965-4-2 390 Los Angeles Lemon Tank Canyon, San Clemente Island. Comment
  SD138607  Myoporum laetum Steven A. Junak 1981-7-31 SCI 53 Los Angeles San Clemente Island; northeast end of island, along road to fuel dock pier at Dolphin Bay. 29 Comment
  RSA589320  Nassella cernua Timothy S. Ross 1995-5-21 8614 Los Angeles San Clemente Island, between the deeper E fork of Horse Beach Canyon and 'Snail Canyon' to the E, 510 ft NNW of slope tirangulation point (781 ft) along an old bulldozer blading 238 Comment
  CAS-BOT-BC276262  Nassella pulchra Steve Boyd 2004-4-15 10901 Los Angeles Transverse Ranges: Liebre Mountains region: Rowher Flats area, edge of off-highway vehicle staging areas at end of Angeles National Forest road 5N14 Comment
  RSA469840  Navarretia hamata subsp. hamata B. C. Templeton 1935-6-23 4791 Los Angeles Azusa. Comment
  RSA190947  Navarretia hamata subsp. leptantha Percy C. Everett 1965-6-24 35025 Los Angeles Santa Catalina Island. Rancho Escondido, Escondido Canyon. 213 Comment
  RSA3700  Navarretia hamata subsp. leptantha C. B. Wolf 1932-5-11 3547 Los Angeles Hillside W. of Isthmus harbor. Santa Catalina Island. 15 Comment
  UC856872  Navarretia hamata subsp. leptantha L. W. Nuttall 265 Los Angeles Santa Catalina Island Comment
  POM122756  Nemacaulis denudata var. denudata Marcus E. Jones 1925-9-15 s.n. Los Angeles Seal Beach Comment
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Jul 23 2014
  RSA0021951  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2011-7-13 5939 Los Angeles Fall Creek Cyn near confluence with Big Tujunga Cyn, along Forest Road 3N27. 1005 Comment
  RSA252868  Nemacladus sigmoideus R. F. Thorne 1973-5-11 43511 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  UC1375426  Nemacladus sigmoideus Robert F. Thorne 1969-7-2 38285 Los Angeles Upper Chilao Campground; San Gabriel Mts., Angeles National Forest 1615 Comment
  RSA652201  Nemophila menziesii Eleanor McClung 1937-4-12 93 Los Angeles Franklin Canyon, Los Angeles. [North of Beverly Hills] Comment
  RSA304020  Nemophila menziesii var. integrifolia Jim R. Shevock 1971-3-28 823 Los Angeles Mapleleaf Cyn, San Gabriel Mtns. 488 Comment
  RSA421304  Nemophila menziesii var. integrifolia Frances Runyan 1973-4-7 28 Los Angeles Agua Dulce, north of freeway 610 Comment
  SD247659  Nemophila menziesii var. menziesii Ed Kentner, Onkar Singh 2014-4-4 368 Los Angeles Western Mojave Desert, approx 3.3 km northeast of Valyermo along Bob's Gap Road approx. 1.6 km southeast of the aqueduct. 1125 Comment
  UC2046897  Nephrolepis cordifolia R. E. Riefner Jr. 2015-12-13 15 -468 Los Angeles City of Malibu, Eastern Malibu, N side Pacific Coast Highway at Carbon Mesa Road W of Carbon Canyon Road. Comment
  RSA426784  Nicotiana glauca F. R. Fosberg 1930-7-3 S- 3029 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UCR125242  Nicotiana glauca A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25500 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR252576  Nicotiana quadrivalvis R. G. Swinney 2010-5-11 12668 B 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
  UC7443  Nitrophila occidentalis J. Burtt Davy May 9 1896-May 24 1896 2249 Los Angeles margin of Dry Lake Antelope Valley Comment
  UCSB63554  Nitrophila occidentalis Sanders, A.; Lott, E. 1993-5-6 Los Angeles Western Mojave Desert; SW edge of Rosamond Dry Lake, near E end of Ave C, just W of Piute Ponds and E of Sierra Hwy., at edge of Edwards AFB; (T8N R12W S14); [UTM 10km cell: LJ-9E, 4N, Sterks Ranch] 701 Comment
  RSA0086993  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-4-21 12321 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  RSA191360  Oenothera elata subsp. hirsutissima Robert F. Thorne, M. Z. Thorne 1967-7-19 37196 Los Angeles San Gabriel Mountains, Angeles National Forest; Big Cienega Springs above Crystal Lake Recreation Area 1982 Comment
  RSA0056391  Oenothera micrantha var. ignota Jim Shevock 1971-3-7 745 Los Angeles Tapia County Park. 252 Comment
  LA202407  Oenothera suffrutescens Arthur C. Gibson; 2004-9-5 2573 Los Angeles Santa Monica Mountains, Liberty Canyon, near old homesteads, ca 150 m from eucalyptus grove Comment
  RSA756915  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  RSA602483  Opuntia basilaris var. brachyclada L. C. Wheeler 1972-4-18 s.n. Los Angeles San Gabriel Mountains: 1/4 mile upstream from Monte Cristo Campground, Mill Creek. Comment
  RSA799968  Opuntia basilaris var. treleasei Pam De Vries 2013-5-26 7815 Los Angeles Tehachapi Mountains/Western Transverse Range (Groman Hills): About 4.0 air mi SE of the town of Gorman, 0.6 air mi NNE of the Quail Lake Road off ramp on the I5. Hills east of Gorman Creek, west of Gorman Post Road. 1045 Comment
  RSA602484  Opuntia littoralis L. C. Wheeler 1971-11-3 s.n. Los Angeles San Gabriel Mountains: Bear Creek Trail Camp. Comment
  UCR104217  Opuntia littoralis Scott D. White 1997-5-21 5207 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  CAS-BOT-BC56861  Opuntia oricola LeRoy Abrams 1902-6-9 2515 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  POM214687  Opuntia oricola F. R. Fosberg 1932-7-15 8614 Los Angeles San Pedro Hills. Comment
  POM295005  Opuntia vaseyi Lyman Benson 1906-8-23 9496 Los Angeles Pomona. Comment
  RSA229138  Oreonana vestita R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38868 Los Angeles Angeles National Forest: Dawson Saddle 2424 Comment
  SBBG126631  Orobanche californica A. Parikh, N. Gale 2011-6-22 3496 Los Angeles W of Granite Mtn, 0.8 km E of Angeles Forest Hwy, 1.5 km N of Rabbit Peak 1381 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
  UC303473  Orobanche parishii I. M. Johnston 1917-7-4 1429 Los Angeles San Antonio Mountains, Evey Canyon Evey Canyon; San Antonio Mountains, Evey Canyon 1066 Comment
  RSA0078533  Orobanche parishii subsp. parishii Fred Burlew 1926-7-1 s.n. Los Angeles Mt. Islip. Comment
  RSA599270  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Lauren Raz 1997-3-31 9444 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UC465986  Osmadenia tenella I. J. Condit Los Angeles Los Dimas Comment
  UC213217  Osmorhiza berteroi I. M. Johnston 1918-7-6 2084 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2133 Comment
  RSA669694  Osmorhiza brachypoda LeRoy Gross 2002-4-28 536 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 549 Comment
  RSA628556  Oxalis albicans subsp. pilosa Louis C. Wheeler 1967-8-27 10566 Los Angeles San Gabriel Mountains: Angeles National Forest: Widman Ranch, Coldwater Canyon. 1189 Comment
  HSC12500  Oxalis corniculata Wendell Wood 1970-6-17 3 Los Angeles 3135 Linda Vista Rd., Glendale 366 Comment
  POM306248  Oxalis corniculata Henry J. Ramsey, Henry J. Ramsey 1938-1-9 1372 Los Angeles Altadena, North Craig Avenue Comment
  RSA670938  Oxalis pes-caprae Joseph M. Keefe 2001-3-13 31088 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042 256 Comment
  UCD111000  Oxalis pilosa P. B. Kennedy 1928-3-28 s.n. Los Angeles ridge above golf links, Avalon, Santa Catalina. Comment
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Apr 4 2014
  RSA639158  Oxytheca parishii var. parishii Valerie L. Soza, LeRoy Gross 1999-9-14 640 Los Angeles San Gabriel Mountains: Kratka Ridge, Upper Little Rock Creek-Williamson Rock climbing area. 2012 Comment
  RSA64779  Oxytheca perfoliata F. W. Peirson 1930-5-31 8908 Los Angeles Covering large areas near Lovejoy Butte. Comment
  RSA392882  Oxytheca trilobata G. R. Johnstone 1926-4-15 s.n. Los Angeles San Francisquito Canyon. Comment
  UCR270072  Oxytheca trilobata R. G. Swinney 2011-7-21 15543 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UC1870261  Packera ionophylla LeRoy Gross, Michael Denslow 2003-6-4 987 Los Angeles Transverse Ranges; San Gabriel Mountains region; Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. Near 34.36445N, 117.84960W Comment
  SEINET209896 Image available Paeonia brownii P. S. Rattle 1938-3 sn Los Angeles San Gabriel Valley Comment
  UCR178618  Paeonia californica R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., north of Glendora, 200 yds. south of Glendora Mtn Rd. on firebreak on west boundary of Glendora Wilderness Park, east of Colby Fire Rd. 473 Comment
  RSA628026  Panicum acuminatum var. acuminatum L. C. Wheeler 1964-11-6 8643 Los Angeles North fork San Gabriel River: Yucca Flat, near falling spring between Coldbrook and Crystal Lake. . Comment
  SEINET10891655  Papaver somniferum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2585 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  CAS-BOT-BC274180  Pappostipa speciosa Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3710 Los Angeles San Gabriel Mountains. Pinyon Ridge: Eastern half of the ridge, directly N of Fenner Canyon 1990 Comment
  SBBG19169  Parietaria hespera var. californica M. A. Piehl 1963-12-8 631086 Los Angeles Cave Cyn, 1/8 mi from mouth 15 Comment
  RSA545324  Parietaria hespera var. hespera Tim S. Ross 1992-5-17 6333 Los Angeles San Gabriel Mountains: center W side of the San Gabriel Reservoir; short easterly spur canyon along Highway 39. 463 Comment
  RSA448020  Parietaria hespera var. hespera Louis C. Wheeler 1932-4-23 648 Los Angeles Mandeville Canyon, Santa Monica Mountains. 137 Comment
  LA8364  Paspalum dilatatum E. Lloyd; 1950-7-10 500710p 1130 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  CDA5094  Passiflora caerulea A. C. Sanders 2003-5-22 26815 Los Angeles San Gabriel Valley; Along abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel Comment
  UCR117411  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
  RSA746795  Pectocarya linearis R. G. Swinney 2008-3-26 8565 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UC551846  Pectocarya linearis subsp. ferocula F. R. Fosberg 1932-5-7 10644 Los Angeles summit Coach Raood; Santa Catalina Island Comment
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Dec 4 2014
  UCR276922  Pectocarya linearis subsp. ferocula R. G. Swinney 2011-3-29 14265 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
  JEPS20124  Pectocarya linearis subsp. ferocula Frank W. Peirson 1919-3-27 324 Los Angeles Arroyo Seco San Gabriel Mountains 381 Comment
  RSA756885  Pectocarya linearis subsp. ferocula Orlando Mistretta, Christine Mistretta 2008-4-8 2388 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  SEINET13297615 Image available Pectocarya penicillata R. G. Swinney 2011-1 14299 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. (Palmdale 7.5' Q.) 890 Comment
  RSA772398  Pectocarya setosa R. G. Swinney 2009-5-12 10725 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  SBBG119038  Pedicularis densiflora S. Boyd 2004-4-15 10900 Los Angeles Rowher Flats area, near off-highway vehicle staging areas at end of FS Rd 5N14 Comment
  UCR141589  Pedicularis semibarbata June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  UCR25158  Pelargonium peltatum Rand Ch. Isbell 1970-5-10 11 Los Angeles Palos Verdes Peninsula, off Palos Verdes Drive South c. 6 mi. from Marineland, on federal land. Within 150 ft. of the ocean 26 Comment
  UCR271741  Pellaea andromedifolia R. G. Swinney 2011-3-26 14228 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
  RSA651838  Pellaea andromedifolia Witt, Prieur, Smith, Goebel, Hurley 1949-2-7 s.n. Los Angeles Santa Anita Canyon. 487 Comment
  RSA686905  Pellaea mucronata F. R. Fosberg 1931-4-22 R 92 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 200 Comment
  UCR23361  Pellaea mucronata John C. Roos 1942-3-7 1000 Los Angeles San Gabriel Mtns., Big Tujunga Canyon 457 Comment
  UC399528  Pellaea mucronata var. mucronata R. S. Norris April, 1893 Los Angeles Fern Canyon; Catalina Isl Comment
  UC42624  Pellaea mucronata var. mucronata R. S. Norris April, 1893 Los Angeles Catalina Isl. Comment
  RSA571545  Penstemon centranthifolius Steve D. Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8310 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  UCR270463  Penstemon centranthifolius R. G. Swinney 2011-5-12 14666 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
  RSA408060  Penstemon grinnellii N. C. Cooper 1949-6-18 4203 Los Angeles Angeles Crest Hwy. 1524 Comment
  RSA408049  Penstemon grinnellii subsp. grinnellii F. R. Fosberg 1931-8-12 S- 5669 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  SFV9207  Penstemon grinnellii var. grinnellii N. J. Manuwal 1972-4-30 s. n. Los Angeles San Gabriel Mountains Highway N2, 10 miles west of Lake Hughes at the edge of a dry meadow. Comment
  SBBG45046  Penstemon heterophyllus I. W. Clokey, B. Templeton -May-1929 4522 Los Angeles Mandeville Cyn Comment
  SBBG66540  Penstemon heterophyllus var. australis R. Hoffmann 1927-6-11 Los Angeles Ridge Route (US Hwy 99) Comment
  JEPS23231  Penstemon heterophyllus var. heterophyllus Rimo Bacigalupi with Reino Alava 1958-7-21 6460 Los Angeles opposite Forsythe Canyon (at northern base of Sawmill Mtn., in dry gravelly creek bed of Pine Creek, in San Andreas Rift Zone (fault valley), Angeles National Forest); Angeles National Forest, San Andreas Rift Zone, Pine Creek 1075 Comment
  SD37447  Penstemon heterophyllus var. heterophyllus Florence Post 1931-5-4 2054 c Los Angeles Flintridge Hills, hillside Comment
  SD82816  Penstemon labrosus Victor Duran 1933-7-10 3519 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  SFV16957  Penstemon rostriflorus J. N. Hogue, P. Wilson 1997-6-27 89 .1 Los Angeles San Gabriel Mountains Buckhorn Flat Campground. 1982 Comment
  RSA332051  Penstemon rostriflorus Wayne E. Sawyer 1981-6-29 74 Los Angeles San Gabriel Mtns., Angeles National Forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 mi. from Dawson Saddle. 2302 Comment
  RSA756152  Penstemon spectabilis R. G. Swinney 2008-7-13 9183 Los Angeles San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  POM305924  Penstemon spectabilis Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1224 Los Angeles Altadena, North Craig Ave. Comment
  JEPS11603  Penstemon spectabilis var. subviscosus Frank W. Peirson 1924-6-16 Los Angeles foothills near Pasadena; San Gabriel Mountains, foothills near Pasadena Comment
  RSA191947  Pentachaeta lyonii Henry Mudd 1963-06 s.n. Los Angeles Saddle Rock Ranch Comment
  LA200910  Pentachaeta lyonii Carl Wishner; 1987-4-22 1303 Los Angeles 550.0 Comment
  RSA0070771  Pentagramma triangularis F. W. Peirson 1923-4-10 3440 Los Angeles North slope canyon about 10 miles southeast of Wilson's Cove, San Clemente Island. Comment
  UC812203  Pentagramma triangularis subsp. triangularis Ira W. Clokey, B. Templeton Apr. 1929 4444 Los Angeles Mandeville Canyon; Santa Monica Mts 425 Comment
  UCSB56346  Peritoma arborea Thorne, Robert 1975-9-3 Los Angeles Santa Catalina Island, near Blue Cavern Point 15 Comment
  RSA526530  Perityle emoryi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4268 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SD112714  Perityle emoryi Darley F. Howe 1947-3-22 1520 Los Angeles Coast north of Santa Monica Comment
  PASA1366  Phacelia bicolor Stason 1930-3-18 Los Angeles W. of Adelanto Comment
  UC24309  Phacelia bicolor var. bicolor Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  UCR256175  Phacelia brachyloba R. G. Swinney 2010-6-4 13061 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
  RSA427575  Phacelia brachyloba Robin S. Collins 1973-5-28 313 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon 762 Comment
  LA38555  Phacelia cicutaria var. hispida Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  POM6740  Phacelia cicutaria var. hispida P. A. Munz, Street, Williams 1919-4-19 2482 Los Angeles Lone Hill, San Dimas. Comment
  SD69694  Phacelia cicutaria var. hispida Robert F. Thorne 1966-4-28 36215 Los Angeles Santa Catalina Island; west-facing rocky bank and talus near upper end Renton Mine Road in Pebbly Beach Canyon. 259 Comment
  UCR271886  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-28 12415 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
  HSC79408  Phacelia cicutaria var. hispida Mike Ikeda 1968-4-4 35 Los Angeles 8 mi. N of Malibu, 4 mi. S of jct. Hwy. 101 and Las Virgenes Creek, Santa Monica Mtns. 610 Comment
  RSA0039194  Phacelia cicutaria var. hispida G. R. Johnstone 1930-6-15 s.n. Los Angeles Indio Canyon, Ravenna. 1067 Comment
  RSA427695A  Phacelia ciliata Anstruther Davidson 1892-05 s.n. Los Angeles Cahuenga hills. Comment
  HSC104219  Phacelia cryptantha R. G. Swinney 2009-4-24 10438 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA586986  Phacelia cryptantha Orlando Mistretta 1992-5-8 310 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  UCR192881  Phacelia curvipes R. G. Swinney 1998-7-8 6342 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCSC001209  Phacelia curvipes Peter Kamb 1948-5-6 949 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock, sandy and gravelly flats San Gabriel Mts. (Lower Sonoran Zone) Comment
  RSA426051  Phacelia davidsonii Fordyce Grinnell Jr. 1911-06 s.n. Los Angeles Mt. Wilson 1768 Comment
  RSA704206  Phacelia davidsonii Naomi S. Fraga, Sarah J. De Groot 2004-5-25 1222 Los Angeles Trail from Mount Baldy Village to the summit of Mount Baldy. 2348 Comment
  UCR223057  Phacelia davidsonii R. G. Swinney 2009-6-2 11021 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA426231  Phacelia distans Robin S. Collins 1973-5-15 276 Los Angeles Trail Canyon, within 1 mile of beginning of pack trail 671 Comment
  RSA640250  Phacelia distans Robert F. Thorne, C. W. Tilforth 1971-4-9 41543 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  RSA648041  Phacelia distans Orlando Mistretta 1992-7-13 677 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  SEINET5760569  Phacelia distans N. K. Berg 1904-8-3 s.n. Los Angeles Redondos Comment
  RSA495557  Phacelia egena S. Zona 1989-6-28 336 Los Angeles Mountain High Ski resort; W of Wrightwood, N slopes of San Gabriel Mountians. 2017 Comment
  SBBG108908  Phacelia floribunda S. A. Junak 1997-3-11 SCl 744 Los Angeles Sibara Ridge overlooking Pyramid Cove, ca. 0.25 mi S of Triangulation Pt Guds 164 Comment
  RSA704353  Phacelia fremontii Gary D. Wallace 1982-4-17 1922 Los Angeles Bob's Gap. Comment
  UC672353  Phacelia fremontii Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts. Comment
  UC1183057  Phacelia grandiflora P. C. Everett and E. K. Balls 1960-5-30 24137 Los Angeles 2.2 mi n entrance to Angeles National Forest; San Gabriel Canyon 365 Comment
  RSA773971  Phacelia hastata R. G. Swinney 2009-7-29 11439 Los Angeles Pacifico Mountain summit. 2134 Comment
  SEINET5536667  Phacelia hubbyi G. B. Grant 964 Los Angeles Pasadena Comment
  RSA584491  Phacelia imbricata subsp. imbricata Tim S. Ross 1992-5-24 6420 Los Angeles Brown s Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  RSA0127459  Phacelia imbricata var. patula Louis C. Wheeler 1967-7-15 10072 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. Comment
  UCR146263  Phacelia longipes Orlando Mistretta 1995-6-23 1828 Los Angeles Transverse Ranges; San Gabriel Mountains, Lookout Mt. Trail. Orobanche valida survey site 2 1829 Comment
  CAS-BOT-BC482461  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2--0.4 mi N of Gavina Ave., near E end of Wallabi Ave. 433 Comment
  RSA428073  Phacelia minor Anstruther Davidson 1890-4-10 s.n. Los Angeles Cahuenga Pass. Comment
  UCR256166  Phacelia minor R. G. Swinney 2010-3-22 12003 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0003854  Phacelia minor Marcus E. Jones 1882-2-27 3031 Los Angeles Pasadena. Comment
  UCR256236  Phacelia mohavensis R. G. Swinney 2010-10-13 14039 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR273218  Phacelia ramosissima R. G. Swinney 2011-10-18 15834 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
  RSA0056396  Phacelia ramosissima var. austrolitoralis James R. Shevock 1972-9-30 2295 Los Angeles Point Dume 3 Comment
  CHSC3690  Phacelia tanacetifolia M. MacArthur 1966-5-12 18 Los Angeles San Rafael Hills- Glendale College. 213 Comment
  PASA1328  Phacelia tanacetifolia M. Stason 1931-4-5 Los Angeles Wash near Azusa Comment
  POM8277  Phacelia viscida var. albiflora P. A. Munz, R. D. Harwood 1920-5-15 3940 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  CAS-BOT-BC258827  Phalaris angusta Geo. B. Grant 1900-3-30 s.n. Los Angeles Avalon Comment
  CATA1798  Phalaris aquatica Benjamin E. Carter 2012-8-23 6982 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 310 Comment
  POM356915  Phalaris minor F. R. Fosberg 1930-6-23 S 2951 Los Angeles Del Rey. 1 Comment
  UCD89174  Phalaris minor Frank W. Gould 1944-4-15 2292 Los Angeles Near corner of Crenshaw and Rosecrans. Comment
  LA202389  Phalaris paradoxa Arthur C. Gibson; 2005-6-17 5071 Los Angeles Comment
  UCR229490  Pholisma arenarium Jeremiah George 2011-7-12 s.n. Los Angeles South Coast, Palos Verdes Estates, just off Palos Verdes Dr. North Comment
  RSA592519  Pholistoma auritum Mark Hoefs, D. Propst 1973-3-14 80 Los Angeles Cape Canyon, Santa Catalina Island. 290 Comment
  UCSB10414  Pholistoma auritum Wedberg, H. 1957-4-4 Los Angeles Pt. Dume Comment
  RSA75800  Pholistoma auritum var. auritum F. W. Peirson 1923-5-21 3521 Los Angeles South face of San Gabriel Mountains. Fish Canyon. 793 Comment
  RSA702949  Pholistoma membranaceum Scott D. White, Michael Honer 2004-3-30 9959 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  UC1871261  Pholistoma membranaceum T. S. Ross 1991-4-30 5020 Los Angeles Transverse Ranges; San Gabriel Mountains region; 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash; Acton USGS 7.5' Quadrangle; T4N R13W, N/2 NE/4 NE/4 S1; elev. 2760-2880 ft. Comment
  UC1563053  Pholistoma membranaceum Steve Boyd and Orlando Mistretta 1986-3-31 1545 Los Angeles 4 mi. e. of junction with Hwy. 18 n.e. of Pinyon Hills (Hwy. 138); Mojave Desert Comment
  SEINET13383131 Image available Phoradendron bolleanum R. G. Swinney 2010-1 13084 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1073 Comment
  SBBG61551  Phoradendron juniperinum R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  IRVC28979  Phoradendron macrophyllum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25545 Los Angeles Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters NE end of Santa Susana Mtns. 396 Comment
  LA200864  Phoradendron macrophyllum Carl Epling; L. Ellison 1930-3-15 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA595583  Phoradendron macrophyllum Lauren Raz, Steve D. Boyd 1996-10-23 62 Los Angeles Liebre Mountains. Cienega Campground. Ca. four miles along Forest Service Road 6N32 from saddle between Warm Springs and Fish Canyon 671 Comment
  RSA597514  Phoradendron macrophyllum Louis C. Wheeler 1962-6-30 8163 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  UCR168415  Phoradendron macrophyllum I. W. Clokey, B. C. Templeton 1929-4-17 4449 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  CAS-BOT-BC141141  Phoradendron serotinum subsp. macrophyllum Thompson 1919-12-1 s.n. Los Angeles Noble Ranch, Valyermo Comment
  HSC15924  Phoradendron serotinum subsp. macrophyllum C. E. Fellows 1965-12-20 191 Los Angeles 2 mi. S of Ventura Blvd. on Reseda Blvd., across from Deauville Country Club Comment
  CAS-BOT-BC141307  Phoradendron serotinum subsp. tomentosum Del Wiens 1960-6-10 2716 Los Angeles Cobal canyon, N of Claremont 396 Comment
  UC1584226  Phoradendron villosum Steve Boyd and Dave Bramlet 1990-6-6 2812 Los Angeles Green Valley Pasture in San Francisquito Canyon; Angeles Nat'l Forest, Saugus District, Lake Hughes Quad. 926 Comment
  UCR179613  Phoradendron villosum R. G. Swinney 1990-10-10 s.n. Los Angeles San Gabriel Mtns., Glendora, South Hills, c. 700 yds. north of the end of Bonnie Cove Ave. on South Hills Motorway 305 Comment
  RSA599606  Phragmites australis Steve Boyd, Lauren Raz 1997-4-16 9500 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., Near 34? 41' 58.3''N 118 ? 46' 58.7''W. 853 Comment
  SEINET11763302  Phyllospadix torreyi F. R. Fosberg 1931-1 s 4877 Los Angeles Santa Catalina Island, Little Harbor 2 Comment
  SEINET10608729  Phyllostachys bambusoides Unknown 1954-1-27 Anonymous s.n. Los Angeles Evans & Reved Nurseries, Inc. 255 So. Barrington Ave. Comment
  UCR108188  Pickeringia montana L. C. Wheeler 1952-12-21 7030 Los Angeles San Gabriel Mtns., San Gabriel Mountains, near mouth of Fern Canyon, Arroyo Seco. Comment
  RSA472029  Picris echioides F. R. Fosberg 1930-6-23 2450 Los Angeles Del Rey. 2 Comment
  UC1200601  Pinus attenuata Peter Kamb 1946-1-21 11 .1 Los Angeles below Mt. Lowe (Echo Mountain); San Gabriel Mountains 914 Comment
  RSA714199  Pinus halepensis Valerie Soza, LeRoy Gros, Marisa Sripracha 2001-7-20 1352 Los Angeles Mesa Lila Rd, southeast side of Henderson Canyon. 427 Comment
  UCR256247  Pinus jeffreyi R. G. Swinney 2010-9-21 13847 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA729308  Pinus monophylla R. G. Swinney 1998-7-2 6223 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  LA6147  Pinus ponderosa Joseph Andorfer Ewan; 1932-5-29 sn Los Angeles San Gabriel Mountains, summit Mount Gleason 1889 Comment
  RSA384486  Pinus torreyana George R. Johnston 1931-9-1 s.n. Los Angeles No locality specified. Southern California Comment
  SBBG130734  Piperia cooperi S. A. Junak 2000-5-6 SCa 1265 Los Angeles W side of Empire Landing Rd, 2.8 mi from intersection with Airport Rd 195 Comment
  UCD89891  Piptatherum miliaceum Peter H. Raven 1957-9-21 11366 Los Angeles Topanga Canyon 2.3 miles above United States Highway 101 alternative, Santa Monica Mountains. Comment
  UCR129397  Piptatherum miliaceum A. C. Sanders, Mark Elvin 2002-6-20 25250 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA0042405  Piptatherum miliaceum April Garbat 2013-1-22 09 Los Angeles West Fork (of the San Gabriel River) Scenic Bikeway in the ANF, along both sides of the road. Comment
  CATA3414  Pittosporum undulatum Ben Dion, Julia A. Parish 2017-2-9 012 Los Angeles Santa Catalina Island: Interior; Quail Valley, 25 meters west of main driveway entrance 160 Comment
  UC551851  Plagiobothrys canescens var. catalinensis Ivan M. Johnston 1932-5-7 10645 Los Angeles summit of Coach Road Santa Catalina Island Comment
  RSA190969  Plagiobothrys collinus var. californicus R. F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-19 36761 Los Angeles Santa Catalina Island, Head of Toyon Canyon Road, upper end W fork of Gallagher s Canyon 366 Comment
  UC1594376  Plagiobothrys collinus var. gracilis Tim Ross 1992-4-16 6204 Los Angeles central part San Clemente Island (289 degrees wnw, 680 m distant from 1603 ft peak above Stone station) 416 Comment
  IRVC26316  Plagiobothrys nothofulvus A. C. Sanders, Andy Thompson 2003-4-15 25983 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA273288  Plantago erecta Glenn A. Gorelick 1978-5-6 s.n. Los Angeles Santa Catalina Island. West end of island above Cherry Cove. Comment
  RSA305700  Plantago erecta Mark Hoefs 1973-4-6 138 Los Angeles Santa Catalina Island: Middle of Cape Canyon. 305 Comment
  RSA598093  Plantago erecta Steve Boyd, Lauren Raz 1997-3-4 9142 A 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
  SD252363  Plantago erecta Steven A. Junak 1999-5-20 Sca 935 Los Angeles Santa Catalina Island: On ridge between Cottonwood and Escondido Canyons, on S side of Cottonwood-Black Jack Road, ca. 0.6 mile up from reservoir. 256 Comment
  UC888391  Plantago erecta F. R. Fosberg 1931-3-26 S 4548 Los Angeles Avalon Cnayon Santa Catalina Island 120 Comment
  UCSC011206  Plantago erecta Adam Searcy 2015-2-10 66 Los Angeles Val Verde Comment
  UCR209000  Plantago indica J. D. Laudermilk 1938-7-28 s.n. Los Angeles San Gabriel Valley, 3 miles north of Claremont Comment
  SBBG131584  Plantago ovata S. A. Junak 2000-4-15 SCa 1221 Los Angeles E of Lone Tree 432 Comment
  CDA6591  Plantago psyllium Scott D. White, Pam DeVries 1998-4-19 6283 Los Angeles Santa Fe Flood Control Basin (on the San Gabriel River), City of Irwindale. Comment
  SEINET3818341 Image available Platanthera sparsiflora R. G. Swinney 1998-7-14 6415 Los Angeles San Gabriel Mountains; Columbine Spring north slope of pine Mountain Ridge and flowing into Prarrie Fork 0.3 miles south of Camp Lupine 2195 Comment
  CAS-BOT-BC93186  Platanus racemosa Joseph Andorfer Ewan 1937-8-15 10964 Los Angeles San Gabriel Mountains. Junction West Fork with North Fork San Gabrile River. 518 Comment
  POM308442  Platanus racemosa Henry J. Ramsey, Henry J. Ramsey 1937-3-27 3030 Los Angeles Little Tujunga Canyon Comment
  RSA600206  Platanus racemosa Steve Boyd, Lauren Raz 1997-5-28 9892 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UCR108661  Platanus racemosa L. C. Wheeler 1961-6-13 7881 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR186992  Platystemon californicus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31963 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  UCR223050  Platystemon californicus R. G. Swinney 2009-5-5 10650 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  UCR281309  Platystemon californicus R. G. Swinney 2014-4-17 16077 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  CAS-BOT-BC356127  Pluchea odorata LeRoy Abrams 1902-8-26 2974 Los Angeles Mesmer Comment
  UC1211009  Pluchea sericea Huron H. Smith 1912-6-21 5121 Los Angeles s end Santa Catalina Isl. 518 Comment
  RSA92371  Poa annua F. W. Peirson 1922-7-6 4201 Los Angeles Big Pines Camp 2088 Comment
  CHSC103497  Poa secunda V. Soza; LeRoy Gross, Bill Hogshead 2002-5-9 1463 Los Angeles Tranverse Ranges, San Gabriel Mountain region: Along Sunset Peak Road, 2.8 km ESE from Glendora Ridge Road. UTM 11S: 37 86 174 N x 04 35 497 E. 1493 Comment
  RSA756994  Poa secunda R. G. Swinney 2008-7-3 9146 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  UCR190532  Poa secunda R. G. Swinney 2000-6-19 7828 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR276823  Poa secunda R. G. Swinney 2010-5-21 12878 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA250582  Poa secunda var. secunda R. F. Thorne 1973-4-25 43394 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
  UCR195290  Polycarpon tetraphyllum Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1188 Los Angeles Transverse Ranges: Verdugo Mountains Region, northwestern edge of Verdugo Mountains, north of La Tuna Canyon, southeast of Green Verdugo Reservoir 457 Comment
  UCR201827  Polycarpon tetraphyllum Scott D. White, Justin M. Wood 2008-10-7 12558 Los Angeles San Gabriel Mountains, west fork of the San Gabriel River, between Bear Creek and Rincon Red Box Road 220 Comment
  UCD98424  Polycarpon tetraphyllum R. N. Raynor 1939-7-5 s.n. Los Angeles at Alhambra. Comment
  SEINET3245953  Polygonum aviculare R. G. Swinney 2009-1 11473 Los Angeles Transverse Range; San Gabriel Mtns. :Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. (Mescal Creek 7.5') 2060 Comment
  RSA466386  Polygonum aviculare subsp. aviculare F. R. Fosberg 1931-4-8 S- 4510 Los Angeles Santa Catalina Island; Avalon Valley 30 Comment
  CAS-BOT-BC413998  Polygonum aviculare subsp. aviculare C. W. Tilforth 1968-3-14 141 a Los Angeles LASCA Comment
  CAS-BOT-BC414000  Polygonum aviculare subsp. aviculare Tim Ross 1992-6-15 6569 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon 219 Comment
  RSA464410  Polygonum aviculare subsp. aviculare E. Crow 1928-3-21 275 Los Angeles Claremont. Comment
  RSA464417  Polygonum aviculare subsp. aviculare T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Palos Verdes Hills. Comment
  UC72024  Polygonum aviculare subsp. aviculare Miss E. D. Palmer Nov 1904 Los Angeles Vicinity of Los Angeles Comment
  UCR206510  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36951 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  RSA65870  Polygonum hydropiperoides var. asperifolium F. W. Peirson 1923-1-21 1792 Los Angeles Pond north of East Lake Park, Los Angeles. Comment
  UC56647  Polygonum lapathifolium Miss E. D. Palmer before Feb. 1902 Los Angeles near Chino Comment
  RSA706652  Polygonum punctatum A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-8-1 25526 Los Angeles Santa Clara River Valley; Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0,75 mi. SW of Castaic Junction. 305 Comment
  CAS-BOT-BC71904  Polypodium californicum Mrs. Blanche Trask 1900-2-1 s.n. Los Angeles Santa Catalina Island Comment
  CDA969  Polypodium californicum D. G. Kelch 1991-3-23 1312 Los Angeles Catalina Island. East of Avalon. Comment
  RSA0092154  Polypodium californicum R. G. Swinney 2011-10-27 15897 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
  UC812492  Polypodium californicum Ira W. Clokey, B. Templeton May 1929 4483 Los Angeles Mandeville Canyon; Santa Monica Mts. 300 Comment
  POM920  Polypodium californicum P. A. Munz 1918-4-5 2018 Los Angeles Pomona. Comment
  UCSB62341  Polypodium californicum Kiefer, Lawrence 1967-4-8 Los Angeles San Gabriel Mtns., NW Mt. Wilson Falls Canyon, tributary of W fork of San Gabriel River, ca. 1/2mi up from confluence 1127 Comment
  UCR138508  Polypogon australis L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, East Fork San Gabriel River at Fish Fork 1098 Comment
  CAS-BOT-BC232402  Polypogon monspeliensis Joseph Andorfer Ewan 1936-7-22 9813 Los Angeles San Gabriel Mountains. Cienega, Big Pines Meadow 2072 Comment
  UC520034  Polypogon monspeliensis Joseph Andorfer Ewan 1932-6-28 7506 Los Angeles Los Angeles River at Hyperion Bridge; Los Angeles River Comment
  LA10118  Polypogon monspeliensis Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR259589  Polypogon viridis R. G. Swinney 2010-9-7 13726 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  SEINET6744568  Polystichum imbricans subsp. curtum Marcus E. Jones 1882-1 3032 Los Angeles Pasadena Comment
  UCR217311  Populus balsamifera subsp. trichocarpa R. G. Swinney 2009-2-20 10020 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UC729591  Populus trichocarpa Carl B. Wolf 1932-5-9 3476 Los Angeles left (e) fork Pebbly Beach Canyon (0.33 mi above Mexican Houses); Santa Catalina Island 152 Comment
  RSA0036063  Populus trichocarpa I. M. Johnston 1917-3-7 1447 Los Angeles Upper San Antonio Canon [Canyon] 2286 Comment
  RSA601918  Potamogeton foliosus L. C. Wheeler 1945-8-15 6089 Los Angeles El Monte: Lake Shangri-La. Comment
  SBBG31328  Potentilla glandulosa R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles upper part of Middle Ranch Cyn 274 Comment
  UCR190869  Potentilla glandulosa R. G. Swinney 1998-8-6 6715 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  LA52102  Potentilla glandulosa subsp. glandulosa A. M. Johnson; 1929-4-20 4428 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  CAS-BOT-BC154926  Prunus ilicifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8404 Los Angeles Liebre Mountains. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  RSA600476  Prunus ilicifolia Steve D. Boyd, Lauren Raz 1997-4-30 9598 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  UC1128420  Prunus ilicifolia R. St. John 1930-1-26 82 Los Angeles Mesa Peak, Santa Monica Mountains Mesa Peak; Santa Monica Mountains, Mesa Peak 335 Comment
  UC1128427  Prunus ilicifolia A. D. Gifford 1935-5-8 695 Los Angeles 1 mi s of Warm Springs (Angeles National Forest); Angeles National Forest 609 Comment
  CAS-BOT-BC154557  Prunus ilicifolia subsp. lyonii Peter H. Raven 1962-5-22 17828 Los Angeles Santa Catalina Island: near mouth of Cherry Canyon 60 Comment
  UCR124421  Prunus virginiana var. demissa B. C. Templeton 1932-5-31 4898 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  JEPS23712  Pseudognaphalium biolettii Peter H. Raven 1959-3-15 13856 Los Angeles just e Zuma Beach (Point Dume); Santa Monica Mountains, Point Dume 9 Comment
  POM40451  Pseudognaphalium biolettii Marcus E. Jones 1882-3-2 s.n. Los Angeles Pasadena Comment
  SD66854  Pseudognaphalium biolettii R. Mitchel Beauchamp 1967-3-17 241 Los Angeles San Clemente Island; east of Wilson Cove Comment
  SD66903  Pseudognaphalium biolettii R. Mitchel Beauchamp 1967-3-20 363 Los Angeles Santa Catalina Island; south of Avalon. Comment
  CAS-BOT-BC356549  Pseudognaphalium biolettii Geo. B. Grant 1900-3-9 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC357290  Pseudognaphalium microcephalum Ernest Braunton 1902-9-1 673 Los Angeles Los Angeles Comment
  RSA0092323  Pseudognaphalium stramineum R. G. Swinney 2011-6-29 15325 Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  UC1118550  Pseudognaphalium stramineum J. Horton 1936-4-28 315 Los Angeles n end of San Dimas Reservoir Pomona Quadrangle, San Dimas Watershed 457 Comment
  HSC12362  Pseudotsuga macrocarpa Wendell Wood 1970-6-24 61 Los Angeles Angeles Crest Hwy. 6 mi beyond intersection with Foothill Blvd. 762 Comment
  RSA700381  Pseudotsuga macrocarpa Tim Thibault 2003-9-28 60 Los Angeles east of N3, across from Clear Creek Education Center 1057 Comment
  SEINET951708  Pteridaceae J. Ewau 1930-1 3040 Los Angeles Fern Canyon off San Dimas Canyon 1066 Comment
  POM8634  Pterostegia drymarioides P. A. Munz, R. D. Harwood 1920-4-21 3696 Los Angeles San Dimas Canyon, [San Gabriel Mountains] 457 Comment
  RSA597741  Pterostegia drymarioides Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3799 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA599831  Pterostegia drymarioides Steve Boyd, Lauren Raz 1997-5-6 9743 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA739663  Pterostegia drymarioides John Dittes 2006-5-30 1377 Los Angeles Western Transverse Range, San Gabriel Mtns, Big Tujunga Canyon, 3.7 air miles NE of Verdugo Hills High School, 2.5 air mile SW of Condor Peak, 2.5 air miles SSE of Mt. McKinley. 529 Comment
  RSA251463  Pterostegia drymarioides Robert F. Thorne 1973-4-11 42826 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  PASA1189  Purshia tridentata Stason 1931-5-9 Los Angeles Canyon near Willow Springs Comment
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Apr 30 2015
  JEPS35294  Pyrrocoma apargioides Donald W. Kyhos 1962-1-1 Los Angeles University of California Comment
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Jul 23 2007
  SEINET10923919  Pyrus communis Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2593 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  UCSB27889  Quercus X alvordiana Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  UCSB27991  Quercus X alvordiana Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  RSA653363  Quercus X grandidentata LeRoy Gross 2000-10-28 311 Los Angeles Verdugo Mountains: Beaudry fire road northwest of Radio Towers, ridge top above Engleheard Canyon, pass saddle with antennas 793 Comment
  RSA167800  Quercus X macdonaldii Robert F. Thorne, P. Everett 1964-2-6 33430 Los Angeles N Central part of Santa Catalina Island, 1 mi. SW of Empire Landing. 244 Comment
  UCD14053  Quercus X macdonaldii John M. Tucker 1992-3-30 s.n. Los Angeles California, Los Angeles Co.; Santa Catalina Island, upper Middle Ranch Canyon below pump station, roughly 4 1/2 mi. west of Avalon, Comment
  UCR271072  Quercus agrifolia var. agrifolia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14355 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  LA97391  Quercus berberidifolia Kei Nakai; 1976-4-7 TCSP 4 4 76 Los Angeles 243 Comment
  OBI49057  Quercus berberidifolia Joseph Andorfer Ewan June1933 10800 Los Angeles Slopes above Verdugo Cyn Comment
  POM273499F  Quercus berberidifolia A. E. Gallup 1947-10-17 65 Los Angeles mouth of Monrovia canyon in wash, San Gabriel Mt. 229 Comment
  RSA653530  Quercus berberidifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 295 Los Angeles Verdugo Mountains: Hostetter Mountainway. 640 Comment
  UC1135549  Quercus berberidifolia A. Lewis 1934-1-1 245 Los Angeles sw Anaverde Valley Angeles National Forest, Elizabeth Lake Quad. 1371 Comment
  JEPS38051  Quercus chrysolepis Ernest Braunton 1928-8-5 A Los Angeles San Gabriel Canyon Comment
  RSA0031679  Quercus chrysolepis Donna Kenyan 1969-5-1 4 Los Angeles Tujunga wash. 457 Comment
  SEINET13203224 Image available Quercus chrysolepis R. G. Swinney 2011-1 15884 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  UCR223520  Quercus chrysolepis R. G. Swinney 2009-6-24 11230 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UC767802  Quercus dumosa Wm. H. Brewer Feb 1861 166 Los Angeles San Gabriel Comment
  UC847967  Quercus dumosa Marcus E. Jones, A. M. 1882-2-27 3034 Los Angeles Pasadena Comment
  UCSB34838  Quercus dumosa R. Lloyd 1959-3-12 56 Los Angeles RIVERSIDE DR. AND OAK PARK IN MONROVIA (FOOTHILLS) 213 Comment
  RSA733303  Quercus durata var. gabrielensis Susan Grose, Lauren Breccio, LeRoy Gross 2007-11-11 191 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  RSA733304  Quercus durata var. gabrielensis Susan Grose, Lauren Braccio, LeRoy Gross 2007-11-11 184 Los Angeles Monrovia, Hidden Valley Canyon. 278 Comment
  UC1922670  Quercus engelmannii Valerie Soza, LeRoy Gross 2001-5-9 1193 Los Angeles Transverse Ranges; Verdugo Mountains region; Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  UCR18978  Quercus engelmannii John C. Roos 1946-10-12 3131 Los Angeles Base of San Gabriel Mtns., Foothill Boulevard, west of Monrovia Comment
  UCR237991  Quercus john-tuckeri D. E. Bramlet, Jennifer Pareti 2008-5-8 4262 Los Angeles Transverse Ranges; Liebre Mountains Region, Bouquet Canyon, 176 m east of Atherton Cyn. Rd. & 259 m south of Galton Rd. 492 Comment
  RSA5398  Quercus pacifica Carl B. Wolf 1932-10-5 4231 Los Angeles Santa Catalina Island, Black Jack Peak, south side (below buildings used to house workers). 305 Comment
  UC1234784  Quercus pacifica Peter H. Raven 1962-5-21 17805 Los Angeles upper Bullrush Canyon Santa Catalina Island 259 Comment
  RSA232629  Quercus tomentella Larry E. DeBuhr, Wallace 1972-9-2 700 Los Angeles San Clemente Island; In the second large canyon south of Lemon Tank 366 Comment
  SBBG43931  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SD66889  Quercus tomentella R. Mitchel Beauchamp 1967-3-17 275 Los Angeles San Clemente Island, in canyon below Lemon Tank Comment
  UCR272705  Quercus tomentella M. B. Dunkle 1939-11-25 7357 Los Angeles Channel Islands, San Clemente Island, NE slope Comment
  POM284118  Quercus turbinella Lyman Benson 1949-11-17 14298 Los Angeles 1.5 miles south of Lebec Hill East of U.S99, Tehachapi Mt. San Joaquin Valley. 1159 Comment
  RSA623992  Quercus wislizeni var. frutescens Raymond J. Dobbs 1927-5-12 280 Los Angeles 1 1/2 mile below Switzer's old trail Comment
  RSA719730  Quercus wislizeni var. frutescens R. G. Swinney 1996-8-7 5211 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  UCR252565  Quercus wislizeni var. frutescens R. G. Swinney 2010-6-21 13260 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
  RSA188369  Rafinesquia californica R. F. Thorne, Percy C. Everett 1965-6-22 34888 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road. 243 Comment
  RSA748582  Rafinesquia californica Scott D. White, Justin M. Wood 2009-5-6 12640 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  UC829465  Rafinesquia californica I. W. Clokey and E. G. Anderson 1935-5-9 6968 Los Angeles San Dimas Canyon Comment
  UCSB41832  Ranunculus californicus Fraser, J. 1970-3-9 Los Angeles half way down the first hill from Gate #6 off San Dimas Road. Puddingstone Resevoir area. 548 Comment
  UC586893  Ranunculus cymbalaria var. saximontanus Joseph Andorfer Ewan 1934-8-3 8357 Los Angeles below Big Pines Camp; San Gabriel Mts., Swartout Valley 1981 Comment
  POM281599  Ranunculus cymbalaria var. saximontanus Lyman Benson 1956-1 s.n. Los Angeles Claremont. Comment
  UC69195  Raphanus sativus H. M. Hall June, 1905 6250 Los Angeles Wiseburn near Los Angeles; Wiseburn Comment
  RSA431502  Raphanus sativus N. C. Cooper 1944-4-23 1152 Los Angeles Pomona 244 Comment
  LA82206  Rhamnus crocea O. H. Kappler; 1943-5-2 398 Los Angeles 45 Comment
  CAS-BOT-BC56017  Rhamnus ilicifolia Peter H. Raven; Henry J. Thompson 1959-4-3 13916 Los Angeles Saddle Peak 838 Comment
  RSA501311  Rhamnus ilicifolia S. Zona, D. Ham 1989-4-1 3081 Los Angeles Tapia County Park, Shaded north facing slope beyond picnic area. 180 Comment
  RSA579490  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1994-5-10 7719 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  RSA598864  Rhamnus ilicifolia Steve Boyd, Tim S. Ross 1997-3-21 9241 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  SBBG27508  Rhamnus ilicifolia A. M. Carter 1935-9-8 956 Los Angeles Sierra Madre 381 Comment
  SD253536  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris bsin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  CAS-BOT-BC59790  Rhamnus pirifolia H. E. McMinn 1924-7-25 1305 Los Angeles Catalina Island. Comment
  LA207841  Rhamnus pirifolia C. B. Wolf; 1932-5-10 3502 Los Angeles Santa Catalina Island, Avalon Canyon, above the last almond orchard 121 Comment
  CAS-BOT-BC199070  Rhus aromatica W. R. Dudley; F. H. Lamb 1896-6-9 4412 Los Angeles Elizabeth Lake, Liebre Mts. Comment
  LA200135  Rhus integrifolia Norman A. Cole; May 1964 332 Los Angeles SANTA MONICA MOUNTAINS, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico. Site 9. 152 Comment
  RSA239457  Rhus integrifolia E. R. Blakley 1963-12-7 6328 Los Angeles San Clemente Island, toward Pyramid Cove; mouth of first large canyon W. of Pyramid Head 23 Comment
  RSA247211  Rhus integrifolia Jack Delaini 1974-3-11 66 Los Angeles Lodi Canyon, on SW-facing slope. 503 Comment
  SBBG64583  Rhus integrifolia T. Ross 1991-9-2 5938 Los Angeles near Mulholland Hwy and Yerba Buena Rd [putative hybrid w/ R. ovata] 541 Comment
  UC1587676  Rhus integrifolia Tim Ross 1991-3-9 4183 Los Angeles se side of ridgetop knoll head of Oak Canyon; Whittier Hills (Puente Hills, pro parte) 368 Comment
  UC535521  Rhus integrifolia Ira W. Clokey, B. Templeton Mar. 1929 4605 Los Angeles Mandeville Canyon, Coast road Mandeville Canyon; Santa Monica Mountains 15 Comment
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Oct 18 2017
  UCR38916  Rhus laurina B. A. Prigge 1985-6-14 6418 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail below Murphy Ranch Site 598 Comment
  CAS-BOT-BC167944  Rhus ovata Marcus E. Jones 1882-2-28 s.n. Los Angeles Pasadena Comment
  SBBG106893  Rhus ovata M. L. Hoefs, R. F. Thorne 1996-4-6 2663 Los Angeles upper Avalon Cyn, Hermit's Gulch Trail, where trail crosses stream 164 Comment
  SD234265  Rhus ovata Wayne Law, J. Hu 2000-4-30 7 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  UCR170455  Rhus ovata Alex R. Van Dam 2004-5-8 026 Los Angeles Western Transverse Range; Santa Monica Mtns., slope behind residence at 9746 Yoakum Drive, Beverly Hills 305 Comment
  UCSB22913  Rhus ovata McMinn, H. 1931-7-5 Los Angeles Ridge route, Tehachapi Mountains Comment
  POM156310  Rhus trilobata var. pilosissima L. R. Abrams 1903-3-8 3113 Los Angeles Sepulveda Canyon. Comment
  OBI14074  Ribes aureum var. gracillimum Bill Arbaugh 1966-3-27 26 Los Angeles Cold Cyn rd, Santa Monica Mts 610 Comment
  RSA476427  Ribes aureum var. gracillimum F. H. Elmore 1936-3-8 s.n. Los Angeles Santa Monica Mtns near Crater Camp. Comment
  RSA762447  Ribes aureum var. gracillimum R. G. Swinney 2009-2-20 10009 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39. 305 Comment
  UCR125940  Ribes aureum var. gracillimum A. C. Sanders, Mark Elvin 2002-6-19 25188 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  SDSU5937  Ribes californicum var. hesperium D. F. Howe 1970-3-8 4681 Los Angeles On Mulholland Drive, 10.5 miles west of Laurel Canyon Blvd., Santa Monica Mts. 427 Comment
  CAS-BOT-BC93105  Ribes californicum var. hesperium Marcus E. Jones 1930-3-3 26510 Los Angeles Santa Ana Mountains. Comment
  RSA278303  Ribes cereum var. cereum John F. Emmel 1976-7-13 552 Los Angeles NE upper slope of Mount San Antonio. 3049 Comment
  RSA733040  Ribes cereum var. cereum R. G. Swinney 1999-8-16 7660 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope. 2445 Comment
  CAS-BOT-BC108870  Ribes divaricatum var. parishii Clarence R. Quick 1942-4-18 s.n. Los Angeles Collected at El Monte. Comment
  CAS-BOT-BC108882  Ribes divaricatum var. parishii A. J. McClatchie 1893-4-1 s.n. Los Angeles Near Pasadena. Comment
  RSA0008286  Ribes divaricatum var. parishii J. C. Roos 1951-3-10 5032 Los Angeles San Gabriel River at Whittier Narrows. 61 Comment
  RSA0008289  Ribes divaricatum var. parishii B. D. Stark 1934-5-27 5738 Los Angeles Whittier Woodland Park, San Gabriel Canyon Comment
  LA200843  Ribes indecorum Carl Epling; 1931-3-7 sn Los Angeles Santa Monica Mountains, Mandeville Canyon, head of canyon Comment
  RSA279117  Ribes indecorum R. F. Thorne 1971-3-18 41494 Los Angeles Cobal Canyon, 3 miles N of Claremont. 502 Comment
  LA210743  Ribes indecorum Arthur C. Gibson; 2004-1-6 5222 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd. 2.29 miles NW of Junction with Rambla Pacifica and Scheuen Rd., across the street from a small water tank. Comment
  RSA0021113  Ribes lasianthum J. C. Roos 1937-5-31 10 Los Angeles Big Pines, near Jackson Lake. Comment
  UCR150240  Ribes malvaceum Kerry Knudsen, Rolf Muertter, Teresa Proscewicz 2005-2-10 2371 Los Angeles Transverse Range, Los Angeles, Santa Monica Mountains, Griffith Park, north side of Mt. Hollywood 425 Comment
  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
  RSA441463  Ribes malvaceum var. viridifolium Edwin Kline 1925-2-1 s.n. Los Angeles Mount Hollywood Comment
  RSA441464  Ribes malvaceum var. viridifolium Ella M. Kennedy 1923-3-5 s.n. Los Angeles S. Pasadena Comment
  RSA441478  Ribes malvaceum var. viridifolium Bonnie C. Templeton 1930-4-2 1440 Los Angeles Mulholland Dr., Northwest of Hollywood. Santa Monica Mountains. 600 Comment
  POM18069  Ribes nevadense P. A. Munz 1923-5-26 6847 Los Angeles head of Vincent Gulch. 2012 Comment
  UCR210139  Ribes nevadense R. G. Swinney 2008-8-13 9388 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  CHSC8455  Ribes speciosum Edward Laidlaw Smith 1958-5-6 427 Los Angeles Palmer Canyon. San Gabriel Mt. Range. San Gabriel River drainage area. S slope. 609 Comment
  RSA549202  Ricinus communis T. S. Ross 1990-6-20 3696 Los Angeles San Gabriel Mountains: Forest Service Rd 1N36 heading S from Rincon-Red Box Rd; ridge between Spinks and Van Tassel Canyons 756 Comment
  UCR23291  Romneya coulteri Kate Kramer 1981-5-31 58 Los Angeles Western Transverse Range; Santa Monica Mtns., 6 mi. west of Encinal Cyn Rd. and Mulholland Hwy intersection on Encinal Cyn. Rd 213 Comment
  SD143474  Rorippa nasturtium-aquaticum Robert F. Thorne, P. Everett 1965-5-10 34434 Los Angeles Cape Canyon, Santa Catalina Island. In stream bed 274 Comment
  POM1504  Rosa californica Martha Allen 32 Los Angeles Canyon above Claremont 457 Comment
  RSA598680  Rubus Louis C. Wheeler 1949-5-19 6705 Los Angeles Potrero Heights. Comment
  POM177954  Rubus ursinus Joseph A. Ewan 1931-3-21 4063 Los Angeles At old ranch site, Los Flores Canyon. 457 Comment
  RSA600918  Rubus ursinus Louis C. Wheeler 1968-3-21 s.n. Los Angeles Foothills of San Gabriel Mountains: West Debris Basin, Brown School for Girls. [added later:] NW of Glendora. 412 Comment
  RSA764454  Rubus ursinus Doris Bowers 1966-4-16 146 A Los Angeles Malibu Canyon 91 Comment
  UCR204830  Rumex conglomeratus R. G. Swinney 2005-8-11 8467 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR205062  Rumex crispus R. G. Swinney 2008-4-4 8608 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  UCR59551  Rumex crispus S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct 884 Comment
  CAS-BOT-BC433250  Rumex crispus C. W. Tilforth 1970-3-30 254 Los Angeles Rancho Santa Ana Bot. Gard., Claremont Comment
  RSA713817  Rumex obtusifolius A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26223 Los Angeles Western San Gabriel Mtns.: Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  RSA466113  Rumex salicifolius Robert Gustafson 1981-5-27 2231 Los Angeles Ballona Wetlands, Area 2. Also in Area 1. Comment
  JEPS39860  Rumex salicifolius var. salicifolius F. W. Peirson 1918-6-18 29 Los Angeles Lower Rock Creek San Gabriel Mts. 1219 Comment
  SD139507  Rumex salicifolius var. salicifolius Jon Rebman, Jonathan Dunn 1996-4-29 3110 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 10 Comment
  SEINET3893350  Ruppia maritima Robert F. Thorne, D. Propt; class 1971-5-17 41353 Los Angeles Santa Catalina Island: Pond southeast of Isthmus.; 0 213 Comment
  UC1537577  Salazaria mexicana Gordon H. True Jr. 1935-5-16 297 Los Angeles 4 mi s Palmdale; s of Palmdale 944 Comment
  SFV14741  Salicornia pacifica J. C. Dittes, P. Coulter 1989-11-27 20 Los Angeles Marina del Rey. Along mud flats of the Venice canal. Comment
  RSA0016798  Salix babylonica George B. Grant 1901-5-6 s.n. Los Angeles Pasadena; O[ak] Knoll; Lake Am [label is cut off] Comment
  RSA595512  Salix exigua Louis C. Wheeler 1969-4-19 s.n. Los Angeles Liebre Mountains region. Una Lake, San Andreas Rift Zone. 854 Comment
  UC506477  Salix exigua Carl Hedin and Joseph Ewan 1932-4-22 7633 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  UCR120892  Salix exigua L. C. Wheeler 1973-2-3 s.n. Los Angeles Venice, between 2618 and 2700 Pacific Avenue Comment
  RSA482505  Salix gooddingii Richard Noyes, L. Arnseth 1988-4-30 541 Los Angeles Claremont. Foothills of San Gabriel Mountains. North facing slope of Thompson Creek Dam. 500 Comment
  POM182041  Salix lasiolepis F. R. Fosberg 1932-1-26 7177 Los Angeles Flood plain of Los Angeles River, at foot of Cahuenga Pass grade. 180 Comment
  POM362745  Salix lasiolepis Ora M. Clark 1929-3-29 1856 Los Angeles Tejon Pass. Comment
  RSA226907  Salix lasiolepis Robert F. Thorne 1971-8-25 41254 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  RSA602562  Salix lasiolepis Louis C. Wheeler 1967-9-2 10617 Los Angeles San Gabriel Mountains: Devil's Canyon, ca. 1/4 mile downstream from Devil's Canyon-Little Bear Creek Saddle 1951 Comment
  UC1234783  Salix lasiolepis Peter H. Raven 1962-5-20 17801 Los Angeles about opposite ranch in Middle Canyon Bullrush Canyon; Santa Catalina Isl., Bullrush Canyon 213 Comment
  UC506466  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-1-28 7629 Los Angeles Comment
Read comments
Jun 8 2015
  UCR189877  Salix lasiolepis R. G. Swinney 1998-7-21 6475 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  LA208801  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-3-15 7641 Los Angeles Area 1 Comment
  UC506428  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-25 7661 Los Angeles Comment
  CAS-BOT-BC107270  Salix lasiolepis var. bigelovii L. R. Abrams; I. L. Wiggins 1931-7-4 330 Los Angeles White's Landing, Santa Catalina Island Comment
  CAS-BOT-BC128509  Salix lasiolepis var. lasiolepis Henry J. Thompson 1959-2-20 1845 Los Angeles In small stream in sandstone outcrop just east of peak, Saddle Peak - Santa Monica Mountains 670 Comment
  SBBG21945  Salix lucida subsp. lasiandra P. H. Raven 1962-5-20 17790 Los Angeles Cape Cyn Comment
  UCR255481  Salpichroa origanifolia Dan S. Cooper 2014-6-4 614- 16 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Hollywood Reservoir, eastern edge of perimeter road/Canyon Lake Dr. 233 Comment
  CDA17346  Salsola australis M. O'Brien 2004-9-1 s.n. Los Angeles Southern California Coast; El Matador State Beach, first bluff above strand. 0 Comment
  JEPS59859  Salsola tragus Elizabeth Day Palmer 1908-7-28 Los Angeles Los Angeles Comment
  CAS-BOT-BC180709  Salsola tragus John Thomas Howell 1950-11-9 27481 Los Angeles Pacoima Wash along Foothill Blvd. Comment
  LA200270  Salsola tragus Michael Neuman; December 1983 11 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon Comment
  SD98895  Salsola tragus Darley F. Howe 1976-8-3 Los Angeles Latigo Canyon Road. 609 Comment
  RSA0062845  Saltugilia australis LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6768 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA172281  Saltugilia splendens R. F. Thorne 1963-5-15 31687 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1219 Comment
  UC52511  Saltugilia splendens subsp. grantii Ernest Braunton 1902-7-9 511 Los Angeles Hobart Comment
  CDA40334  Saltugilia splendens subsp. splendens T. C. Fuller 1980-6-12 20279 Los Angeles San Gabriel Mountains; Angeles Crest Highway, Hwy 2, 1.3 km west of road to Mt. Wilson. Comment
  RSA401628B  Salvia apiana William Emboden 1969-5-28 48 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442831  Salvia apiana William Emboden 1969-5-28 16 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  UC1124668  Salvia carduacea A. D. Gifford 1935-3-29 529 Los Angeles 5.5 mi nw Redrock Mountain; Angeles National Forest, Tejon Quad. 1249 Comment
  RSA599328  Salvia columbariae Steve Boyd, Lauren Raz 1997-3-26 9356 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  RSA710807  Salvia columbariae LeRoy Gross 2005-5-3 2243 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
  SFV15353  Salvia columbariae J. C. Dittes, C. Dittes 1990-3-31 62 Los Angeles San Gabriel Mountains Little Tujunga Canyon Road. 396 Comment
  SFV16908  Salvia columbariae S. A. Whaling 1997-5-9 13 Los Angeles Mojave Desert Antelope Valley. 17.85 miles north of Templin Highway / Ridge Route Junction on Ridge Route. 1000 Comment
  RSA401442  Salvia columbariae Rose L. Burch 1943-07 s.n. Los Angeles Palmdale. Comment
  UCSB9701  Salvia dorrii var. dorrii Van Leeuwen, Henry 1957-4-14 Los Angeles 3 miles south of Palmdale Comment
  CAS-BOT-BC214317  Salvia dorrii var. pilosa B. Ertter; J. Strachan 1979-6-29 3007 Los Angeles N edge of Angeles Nat'l Foerst ca 9 air-miles ESE of Pearblossom, 1.7 mi N of Mile High on county Hwy N4 1463 Comment
  RSA191571  Salvia dorrii var. pilosa Robert F. Thorne 1966-4-23 36148 Los Angeles San Gabriel Mountains: just N of Valyermo 1067 Comment
  CLARK-A1528-586  Salvia leucophylla Virginia M. Bolton 1966-5-11 Los Angeles Padua Hills Comment
  RSA0045265  Salvia mellifera R. G. Swinney 2010-3-22 12010 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
  RSA305332  Salvia mellifera Henry J. Ramsey 1937-3-22 624 Los Angeles Santa Susana Pass 293 Comment
  RSA675812  Salvia mellifera LeRoy Gross 2003-3-7 757 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  UCR195297  Salvia mellifera Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1181 Los Angeles Transverse Ranges: Verdugo Mountains Region, western mouth of La Tuna Canyon, north side of La Tuna Canyon, trail from Tuxford Street and Ledge Avenue to ridgetop, north of McDonald Creek 396 Comment
  LA200593  Salvia spathacea Jonathan Sauer; A. Lang, et. al. 1972-4-5 5029 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  RSA434064  Salvia spathacea Lester H. Cushman 1932-3-6 s.n. Los Angeles Chaparral, Glendale Comment
  RSA434078  Salvia spathacea N. C. Cooper 1945-5-1 2190 Los Angeles Tapia Park, Santa Monica Mountains 762 Comment
  RSA650321  Sambucus caerulea Howard Cook 1948-5-8 8 Los Angeles Collected on highway 39 in La Habra Heights. 228 Comment
  RSA0035110  Sambucus caerulea S. Karlin 1960-05 s.n. Los Angeles Encino, San Fernando Valley. Comment
  RSA477554  Sambucus mexicana B. C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon. 200 Comment
  RSA544556  Sambucus mexicana T. S. Ross, Elizabeth Kellogg 1992-4-11 6109 Los Angeles San Clemente Island: West fork of China Canyon. E or NE-facing base of canyon wall. 305 Comment
  RSA596802  Sambucus mexicana T. S. Ross, J. Mark Porter 1995-5-4 8509 Los Angeles Texas Canyon: ca 2.8 road miles NE of Bouquet Canyon Road. 610 Comment
  RSA657358  Sambucus mexicana L. Yamanaka 1979-6-5 106 Los Angeles 150 meters west of Glendale College Cafeteria located on corner of Verdugo Blvd. and Mountain Ave. Comment
  RSA657466  Sambucus mexicana J. Liston 1980-6-2 50 Los Angeles Back dirt trail of Verdugo Park, 1/2 mile west of Glendale College Comment
  UCR215157  Sambucus mexicana Kimberly Doughty, Darran Doughty 2008-5-24 10 Los Angeles Baldwin Hills, Los Angeles, Kenneth Hahn Park 88 Comment
  IRVC26184  Sambucus mexicana A. C. Sanders 2003-5-1 26256 Los Angeles SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property Western San Gabriel Mtns. 396 Comment
  RSA0035457  Sambucus mexicana Roxanne Smith 1991-5-14 33 Los Angeles Hills 0.4 mi. southeast of Golden Springs and Diamond Bar Blvd. Comment
  CAS-BOT-BC238742  Sambucus nigra subsp. caerulea Tim Ross 1993-4-23 6927 Los Angeles Santa Catalina Island: SW part of the island in Middle Canyon; along Middle Canyon Road where it crosses over a northerly tributary 235 m NW of Thompson Dam 181 Comment
  RSA0097146  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-31 14912 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  RSA776472  Sambucus nigra subsp. caerulea Jane Tirrell 2011-8-19 LS- 39 Los Angeles South side of Highway 2 in Big Rock Creek drainage. 2308 Comment
  SEINET4044457 Image available Sanicula arguta D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Puerco Canyon. 182 Comment
  SD181734  Sanicula bipinnata Scott D. White, S. Leatherman, et al. 2001-4-24 8407 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic Lake. 518 Comment
  POM177953  Sanicula crassicaulis Joseph A. Ewan 1931-3-21 4064 Los Angeles Colony on moist slope under oaks at old ranch site, Los Flores Canyon. 457 Comment
  JEPS960  Sanicula tuberosa Frank W. Peirson 1919-5-14 422 Los Angeles San Gabriel Mountains, Eaton Canyon Eaton Canyon; San Gabriel Mountains, Eaton Canyon 731 Comment
  RSA726056  Schedonorus arundinaceus R. G. Swinney 1997-6-25 5637 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  RSA188695  Schismus arabicus R. F. Thorne 1966-6-2 36525 Los Angeles Santa Catalina Island: Ridge top between Moonstone and White Coves 30 Comment
  RSA674279  Schismus barbatus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 714 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. 576 Comment
  UCR197203  Schismus barbatus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 699 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  UCR271916  Schismus barbatus R. G. Swinney 2010-3-24 12075 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR223489  Schoenoplectus acutus R. G. Swinney 2009-7-1 11296 Los Angeles Transverse Range; San Gabriel Mtns., Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  UCR36543  Schoenoplectus acutus var. occidentalis A. C. Sanders, F. C. Vasek 1984-6-6 5081 Los Angeles Mojave Desert, SW end of Rosamond Lake (dry) near E end of Ave. 'C 701 Comment
  LA33907  Schoenoplectus americanus Peter H. Raven; 1959-10-25 14712 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, 4.1 mi N of Pacific Coast Hwy along Malibu Creek. 91 Comment
  RSA366046  Schoenoplectus americanus H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  SBBG59258  Schoenoplectus americanus R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  UCR179614  Scirpus maritimus R. G. Swinney 1992-9-17 1919 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 366 Comment
  RSA626226  Scirpus microcarpus L. C. Wheeler 1966-10-1 8950 Los Angeles San Gabriel Mountains: Colby Ranch, Coldwater Canyon. 1097 Comment
  RSA0012265  Scutellaria siphocampyloides Orlando Mistretta, Youssef Atallah 2011-8-16 6052 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  RSA228849  Scutellaria siphocampyloides Robert F. Thorne 1971-6-26 39995 Los Angeles Angeles National Forest. Near Chilao Old Camp. 1616 Comment
  RSA640257  Scutellaria tuberosa Robert F. Thorne 1971-4-2 41410 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont. 549 Comment
  SFV3449  Scutellaria tuberosa M. L. Vincent 1962-3-30 158 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Old Topanga Canyon Road. Roadside. 440 Comment
  RSA445377  Scutellaria tuberosa Richard C. Barkelew 1929-4-23 s.n. Los Angeles Malibu Mountains. Comment
  RSA651609  Secale cereale W. J. Nicholas 1948-5-4 s.n. Los Angeles near Littlerock. Two [miles?] west of Littlerock. 609 Comment
  RSA609104  Selaginella asprella Louis Cutter Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon. Comment
  RSA636133  Selaginella asprella Louis Cutter Wheeler 1951-4-7 8548 Los Angeles San Gabriel Mountains: Mount Deception,[0.6] mile near Mount Disappointment. 1764 Comment
  CAS-BOT-BC62040  Selaginella bigelovii Marcus E. Jones 1882-2-25 3023 Los Angeles Pasadena Comment
  POM50205  Selaginella bigelovii L. R. Abrams 1898-12-18 219 Los Angeles Eaton's Canyon: San Gabriel Mountains Comment
  RSA232813  Selaginella bigelovii Robert F. Thorne 1966-4-17 36120 Los Angeles San Clemente Island: Rocky, steep upper slopes of Box Canyon, NW of Horse Canyon, SW of Thirst. 244 Comment
  SD81676  Selaginella bigelovii Louis C. Wheeler 1931-8-2 Los Angeles Thompson Creek Wash 447 Comment
  CAS-BOT-BC363454  Senecio californicus unspecified 1901-3-10 s.n. Los Angeles Pasadena Comment
  POM199547  Senecio flaccidus var. douglasii I. W. Clokey, B. Templeton 1929-07 4592 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  UC223993  Senecio flaccidus var. douglasii A. D. E. Elmer June 1902 3735 Los Angeles Acton Comment
  CAS-BOT-BC341203  Senecio lyonii Brandegee No date on label s.n. Los Angeles Santa Catalina Island Comment
  SD112010  Senecio lyonii Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Mid-Avalon Canyon-Hour Trail Comment
  RSA702829  Senecio mikanioides Scott D. White 2004-4-23 10232 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA598094  Senecio vulgaris Steve Boyd, Lauren Raz 1997-3-4 9142 B Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  RSA653842  Senecio vulgaris Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 768 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 518 Comment
  RSA357901  Senecio vulgaris R. F. Thorne 1973-3-26 42725 Los Angeles San Gabriel Mountains: Web canyon, N of Claremont 365 Comment
  RSA483326  Setaria parviflora Gary D. Wallace 1979-5-2 1838 Los Angeles Arcadia, vacant lot at the corner of Baldwin Ave and Foothill Blvd. 168 Comment
  CDA2454  Setaria viridis T. C. Fuller 1958-8-6 5118 Los Angeles West of 90th Street East, 1/4 mile south of Avenue I, 9 miles east of Lancaster. 0 Comment
  UCSB469  Setaria viridis B., K. 1943-8-21 Los Angeles Volfe Canyon above end of road, San Dimas Experimental Forest, San Gabriel Mountains Comment
  CATA3000  Sibara filifolia Peter J. Dixon 2015-3-16 034 Los Angeles Santa Catalina Island: China Point Rd. .96 km East of China Point. 160 m North of the Pacific Ocean 97 Comment
  PASA1296  Silene antirrhina Ruth Johnson Los Angeles Arroyo Seco Comment
  UCR131388  Silene gallica Alison Lipman 1998-5-4 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  CDA3465  Silene gallica T. S. Ross 1991-4-21 4543 Los Angeles Peninsular Ranges; Chino-Puente Hills region; Whittier Hills (Puente Hills, pro parte): Ridge on N side of Turnbull Canyon, T2S R11W, SW/4 NE/4 SW/4 NE/4 sect 15 (projected); elev c. 1000 ft. Comment
  CAS-BOT-BC174889  Silene laciniata Tim Ross 1992-6-15 6557 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon 294 Comment
  RSA407713  Silene laciniata subsp. major O. R. Dorado R., K. Tan, A. Liston 1987-6-10 1692 Los Angeles San Gabriel Mtns. Near Rincon Ranger Station. 762 Comment
  CAS-BOT-BC389333  Silene lemmonii Geo. B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson. San Gabriel Mts. 1828 Comment
  SFV5385  Silene verecunda J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains About 5 miles northwest of Big Pines on road to Valyermo. 1768 Comment
  RSA473574  Silybum marianum Robert Gustafson 1981-5-13 2213 Los Angeles Ballona Wetlands, area 1 Comment
  RSA527701  Silybum marianum Timothy S. Ross, Annette Ross 1991-6-3 5524 Los Angeles Elephant Hill: West Pomona 230 Comment
  RSA0093465  Sisymbrium altissimum Richard G. Swinney 2011-6-7 15059 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
  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
  RSA431763  Sisymbrium altissimum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  RSA724805  Sisymbrium altissimum K. Dobry 1991-4-22 d- 391 Los Angeles San Gabriel Mts. at Elsmere Cyn Comment
  SBBG72148  Sisymbrium altissimum R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  UC1870173  Sisymbrium altissimum LeRoy Gross, Ted Anderson 2004-5-3 1218 Los Angeles Transverse Ranges; San Gabriel Mountains region: Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1333 Comment
  UCR281290  Sisymbrium altissimum R. G. Swinney 2014-5-8 16468 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
  RSA230697  Sisymbrium altissimum R. F. Thorne, M. Z. Thorne 1969-7-10 38442 Los Angeles San Gabriel Mountains, Angeles National Forest: N of Jackson Lake 1860 Comment
  CATA2970  Sisymbrium irio Amy Catalano 2016-1-27 007 Los Angeles Santa Catalina Island: Mushroom Flats, about 1/8 mile down canyon from Quail Valley 125 Comment
  RSA724768  Sisymbrium irio K. Dobry 1992-4-14 d- 363 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  LA201838  Sisymbrium irio Arthur C. Gibson; 2003-5-24 4930 Los Angeles Simi Hills, West Hills Comment
  CATA1841  Sisymbrium officinale Denise Kraus 2000-5-4 23 Los Angeles Santa Catalina Island: Approximately 1850 feet north of intersection of Airport Road and Empire Landing Road. At GHB Transect 9 381 Comment
  RSA724773  Sisymbrium officinale K. Dobry 1991-5-2 591 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  SBBG109038  Sisymbrium orientale S. A. Junak 1996-5-31 SCl 562 Los Angeles N end of island, behind (just inland from) beach at West Cove 6 Comment
  SBBG109048  Sisymbrium orientale S. A. Junak 1996-5-29 SCl 537 Los Angeles lower portion of China Cyn, at bridge just upstream from mouth of cyn 6 Comment
  UCR258899  Sisymbrium orientale R. G. Swinney 2010-4-30 12465 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  RSA0102538  Smilacina stellata Richard G. Swinney 2010-9-30 13898 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  SBBG131982  Solanum americanum S. A. Junak 1990-11-9 SCI 141 Los Angeles Wilson Cove Comment
  PASA2146  Solanum douglasii A. Carter 1928-12-29 Los Angeles At base of Sierra Madre Mts. Comment
  POM305236  Solanum douglasii Henry J. Ramsey, Henry J. Ramsey 1937-3-27 561 Los Angeles Little Tujunga Canyon Comment
  RSA656421  Solanum douglasii Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 671 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  UCR193945  Solanum douglasii A. C. Sanders 2008-7-10 35740 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA533999  Solanum douglasii Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5124 Los Angeles San Clemente Island, eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA606172  Solanum douglasii Leota Brice 1936-6-2 s.n. Los Angeles San Gabriel Canyon. Comment
  RSA782552  Solanum nigrum R. G. Swinney 2009-4-13 10313 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  NY821031  Solanum nodiflorum L. Abrams 1902-6-20 2870 Los Angeles Soldier's Home Comment
  CAS-BOT-BC157413  Solanum umbelliferum Y. W. Winblad 1937-4-26 s.n. Los Angeles Ridge Route Comment
  CAS-BOT-BC83648  Solanum umbelliferum S. B. Parish 1887-6-1 1888 Los Angeles Desert slope of the Mts., near Elizabeth Lake. Comment
  RSA0114811  Solanum umbelliferum R. G. Swinney 2011-5-6 14621 Los Angeles San Gabriel Mountains; north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  RSA549154  Solanum umbelliferum Tim S. Ross, Peter Fritsch 1990-6-20 3670 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA748741  Solanum umbelliferum R. G. Swinney 2008-3-31 8585 Los Angeles Glendora Mountain summit 1003 Comment
  CAS-BOT-BC156506  Solanum umbelliferum H. M. Hall 1902-5-3 3102 Los Angeles San Francisquito Pass 457 Comment
  NY820708  Solanum wallacei C. B. Wolf 1941-6-25 10891 Los Angeles Santa Catalina Island. About 1 mi. NE. of the Wrigley Mausoleum at head of Avalon Valley 122 Comment
  POM50095  Solanum wallacei L. W. Nuttall 1921-1-16 1134 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  LA51793  Solanum xanti Harlan Lewis; 1940-2-24 1075 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 609 Comment
  LA51835  Solanum xanti A. M. Johnson; 1928-2-16 2779 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  NY820463  Solanum xanti S. D. Boyd 1997-3-31 9422 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA757216  Solanum xanti Orlando Mistretta, Christine Mistretta 2008-4-7 2367 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 46 per TRTP survey-2008) 1031 Comment
  UCR139421  Solanum xanti Fay A. MacFadden 1931-4-22 2642 Los Angeles Western Transverse Range, San Francisquito Canyon 915 Comment
  UCR177294  Solanum xanti Scott D. White, Michael Honer 2003-5-7 9190 Los Angeles Santa Clarita area, South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway 366 Comment
  SEINET7047910 Image available Solanum xanti Steven R. Hill, Kate Kramer 2001-4-22 33359 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon. Elevation about 1800 feet. Comment
  JEPS32448  Solidago velutina subsp. californica F. W. Peirson 1918-11-1 230 a Los Angeles Arroyo Seco , Arroyo Seco (San Gabriel Mts.) 1295 Comment
  RSA0110535  Sonchus asper R. G. Swinney 2010-6-1 13135 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UCR223709  Sonchus asper R. G. Swinney 2009-6-12 11121 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
  UCR189870  Sonchus oleraceus R. G. Swinney 1998-7-10 6409 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1585 Comment
  UCR204233  Sonchus oleraceus Valerie Soza, LeRoy Gross 2001-5-14 1215 Los Angeles Transverse Ranges; San Gabriel Mountains, Santa Anita 1999 Fire area, above Santa Anita Canyon, c. 0.7 mi west of the Santa Anita Dam 762 Comment
  UCSB33237  Sonchus oleraceus Partsch, M. 1977-5-14 Los Angeles Along Boquet Canyon Road 14 mi. south of its junction with Elizabeth Lake Road 762 Comment
  RSA0105022  Spartium junceum R. G. Swinney 2011-6-22 15272 Los Angeles San Gabriel Mountains: 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder. 1659 Comment
  SFV1952  Spartium junceum M. L. Vincent 1962-7-10 272 Los Angeles Santa Monica Mountains Mulhholland Highway near Stunt Road, about 3 miles south of Ventura Blvd. 300 Comment
  SD31162  Spergula arvensis Edith A. Purer 1931-2-21 1530 Los Angeles Palos Verdes Hills. Comment
  RSA0097905  Spergularia bocconi Warren Crawford 1915-7-15 508 Los Angeles Claremont. Comment
  RSA3483  Spergularia macrotheca C. B. Wolf 1932-5-9 3426 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  RSA0098397  Spergularia macrotheca var. macrotheca Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2381 Los Angeles Parsons Landing, Santa Catalina Island. 3 Comment
  RSA65581  Spergularia platensis F. W. Peirson 1866 Los Angeles Long Beach Comment
  RSA601749  Stachys ajugoides var. rigida Louis C. Wheeler 1946-4-21 6192 Los Angeles San Gabriel Mountains. Cloverleaf Canyon (near head of canyon). Comment
  UC1234712  Stachys albens D. Gregory 1961-8-10 481 Los Angeles sw Mt. San Antonio (near an apple orchard below some springs, near the bottom of the canyon); San Gabriel Mts., Coldwater Canyon Comment
  RSA0051602  Stachys albens Harold L. Pirie 1963-7-27 s.n. Los Angeles Cold Creek of Stunt Rd. in the Santa Monica Mts. 563 Comment
  OBI37739  Stachys bullata Richard S. Hood 1970-4-11 298 Los Angeles I W LA on maintenance trl 1/2 mi NW of Mt. St. Mary's College in Santa Monica Mts 305 Comment
  POM9417  Stachys bullata P. A. Munz, R. D. Harwood 1920-5-15 3928 Los Angeles Santa Monica. Dry hillside, Coldwater Canyon. 305 Comment
  RSA773540  Stanleya pinnata R. G. Swinney 2009-4-29 10568 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 945 Comment
  LA200974  Stanleya pinnata var. pinnata Carl Wishner; 1987-5-19 1353 Los Angeles Santa Monica Mountains, Calabasas, 0.5 mi E of Las Virgenes Rd and Agoura Rd Comment
  SD186097  Stebbinsoseris heterocarpa A. C. Sanders, T. B. Salvato 2005-4-26 29719 Los Angeles Santa Clarita area, spur and northeast end of Cruzan Mesa, south of Vasquez Canyon road. 609 Comment
  CHSC36049  Stellaria media Philip A. Silverstone 1978-8-20 326 Los Angeles Jtn Maguire and Escondido Sts., 0.3 km from jtn Maguire and Latigo Canyon Rd., which is 4.8 km inland from State 1. On slope c. 5 m from creek. Comment
  RSA478176  Stellaria media F. R. Fosberg 1930-7-3 S- 3095 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  SBBG37630  Stellaria media E. R. Blakley 1963-4-10 5595 Los Angeles 1 mi S of Avalon on rocky ridge Comment
  RSA251464  Stellaria media R. F. Thorne 1973-4-11 42827 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  UCR146327  Stellaria nitens James Henrickson 1985-3-30 19792 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
  UCR59352  Stenotaphrum secundatum C. F. Smith 1957-11-14 5680 Los Angeles Along sidewalk above ocean at Manhattan Beach Comment
  RSA95223  Stephanomeria blairii F. W. Peirson 1923-4-9 3475 Los Angeles San Clemente Island: at Lemon Tank Comment
  RSA784834  Stephanomeria cichoriacea J. D. Olmsted 1959-9-21 965 Los Angeles Along road above Big Dalton dam along side inlet from Monroe Canyon in San Dimas Experimental Forest NE of Glendora, San Gabriel Mts. 518 Comment
  RSA759008  Stephanomeria exigua R. G. Swinney 2008-10-8 9541 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  CAS-BOT-BC322835  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley, Mojave Desert 731 Comment
  CAS-BOT-BC322836  Stephanomeria pauciflora Ernest C. Twisselmann 1965-7-23 11073 Los Angeles North side of Antelope Valley below Sacratarius Canyon, Mojave Desert 1203 Comment
  RSA595584  Stephanomeria pauciflora var. pauciflora Lauren Raz, S. D. Boyd 1996-10-23 060 Los Angeles Liebre Mountains. Cienega Campground. Ca. four miles along Forest Service Road 6N32 from saddle between Warm Springs and Fish Canyon 670 Comment
  RSA164799  Stephanomeria virgata R. M. Straw 1956-10-18 s.n. Los Angeles Pasadena 152 Comment
  RSA774089  Stephanomeria virgata R. G. Swinney 2009-7-29 11436 Los Angeles Pacifico Mountain summit 2134 Comment
  POM305689  Stephanomeria virgata Henry J. Ramsey, Henry J. Ramsey 1937-8-29 977 Los Angeles Altadena. 396 Comment
  SD233821  Stillingia paucidentata B. Pitzer 1998-5-12 3689 Los Angeles Western Mojave Desert: c. 18 air miles NW of Adelanto & 12.8 mi (airline) W of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. N of junction with El Mirage Rd. (= Ave. P), 0.25 mi. E of 240 St., c. 3.4 mi. S of Ave. J 865 Comment
  LA33438  Stipa coronata Peter H. Raven; 1959-5-3 14104 Los Angeles 259 Comment
  IRVC26955  Stipa lepida A. C. Sanders 2003-4-17 26074 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  UCR179682  Stipa speciosa R. G. Swinney, Dave Larson 1996-8-7 5246 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
  UCR276943  Stipa speciosa R. G. Swinney 2010-5-21 12868 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA383485  Stuckenia pectinata George R. Johnstone 1933-5-13 17433 Los Angeles Nigger Slough . [locality name change to Laguna Dominguez ] Comment
  CAS-BOT-BC376005  Stylocline gnaphaloides Alice Eastwood 1906-5-27 5 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  CAS-BOT-BC376006  Stylocline gnaphaloides Geo. B. Grant 1906-5-24 6656 Los Angeles Arrowhead Hot Springs Comment
  RSA624986  Stylocline gnaphaloides L. C. Wheeler 1963-5-5 8250 Los Angeles Bear Creek, off West Fork San Gabriel River. 548 Comment
  RSA393788  Stylocline gnaphaloides F. R. Fosberg 1931-5-4 707 Los Angeles Mouth of [Middle Ranch Canyon], Santa Catalina Island 2 Comment
  SD75643  Suaeda californica var. taxifolia M. B. Dunkle 1939-4-7 7333 Los Angeles San Clemente Island; in a sandy flat area by a lagoon, Pyramid Cove. Comment
  OBI35704  Symphoricarpos mollis Rebecca Cicoria 1982-4-25 42 Los Angeles Palos Verdes Peninsula: Lower Purple Canyon, Rolling Hills Comment
  RSA177665  Symphoricarpos mollis Percy C. Everett 1965-5-12 34629 Los Angeles Upper end of Middle Canyon, Santa Catalina Island 305 Comment
  UC217868  Symphoricarpos mollis P. A. Munz, R. D. Harwood 1920-5-16 3965 Los Angeles Topanga Canyon; Santa Monica Mts. 243 Comment
  UCR95254  Symphoricarpos rotundifolius var. parishii L. C. Wheeler 1970-7-26 s.n. Los Angeles San Gabriel Mtns., 0.5 mi west of Mt. Hawkins 2561 Comment
  POM4780  Symphyotrichum defoliatum I. M. Johnston 1917-8-23 1640 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  CAS-BOT-BC97962  Symphyotrichum greatae Peter H. Raven; W. O. Griesel 1961-10-13 16842 Los Angeles Upper Arroyo Seco, about 200 yards above [Switzers] Switzer Camp 762 Comment
  UC63372  Symphyotrichum greatae Ernest Braunton July 1902 588 Los Angeles Garvanza, Arroyo Seco Arroyo Seco Comment
  SEINET10756909  Symphyotrichum greatae Peter H. Raven, Wesley O. Griesel 1961-10-13 Raven 16842 Los Angeles Upper Arroyo Seco, about 200 yards above Switzers Camp. 762 Comment
  UC1536866  Syntrichopappus fremontii G. H. True 1935-3-28 186 Los Angeles w of Littlerock 944 Comment
  SD134509  Syntrichopappus lemmonii Craig Reiser 1991-5-6 Los Angeles Palmdale, Verde Ridge Comment
  CHSC40053  Tanacetum parthenium F. A. Thackery 1928-6-3 432 Los Angeles Mulholland Drive. Comment
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Aug 21 2007
  SEINET10953022  Taraxacum officinale Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3755 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  CDA39787  Tecomaria capensis Michael O Brien 2014-2-23 s.n. Los Angeles Malibu; El Matador State Beach, westerly lot. 0 Comment
  RSA0081500  Tetradymia axillaris var. longispina R. G. Swinney 2010-5-12 12762 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA732845  Tetradymia axillaris var. longispina R. G. Swinney 2001-5-18 7930 Los Angeles Mojave Desert: Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy. 138. 1284 Comment
  UCR150056  Thalictrum fendleri var. fendleri L. C. Wheeler 1967-9-3 10638 Los Angeles Transverse Ranges; San Gabriel Mtns., Prairie Fork 2317 Comment
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Sep 10 2010
  RSA729589  Thalictrum fendleri var. polycarpum R. G. Swinney 1999-6-30 7489 Los Angeles San Gabriel Mtns.: Grand View Canyon, c. 1.1 mi. north of Big Pines hwy at All Nation Camp 1585 Comment
  RSA399579  Thalictrum polycarpum Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  LA32258  Thysanocarpus curvipes Henry J. Thompson; 1959-3-27 1886 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  RSA0016983  Thysanocarpus curvipes J. H. K. 1909-3-22 41 Los Angeles Claremont Comment
  RSA0121947  Thysanocarpus desertorum R. G. Swinney 2009-4-2 10273 Los Angeles Bob s Gap, 3.5 miles south of Hwy 138 on east side of Bob s Gap Road 1220 Comment
  CAS-BOT-BC67003  Thysanocarpus laciniatus Le Roy Abrams 1899-3-1 244 Los Angeles Santa Monica Mountains. Comment
  CAS-BOT-BC67019  Thysanocarpus laciniatus Munz; Street; Williams 1919-3-15 2392 Los Angeles South Hills, Pomona. Comment
  LA103331  Thysanocarpus laciniatus Michael Neuman; February 1984 31 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA428298A  Thysanocarpus laciniatus M. B. Dunkle 1939-4-6 7308 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UCR205892  Thysanocarpus laciniatus R. G. Swinney 2008-5-5 8755 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA0074058  Thysanocarpus laciniatus Philip A. Munz, L. Street, G. Williams 1919-4-5 2472 b Los Angeles Puddingstone Canon, San Dimas. 289 Comment
  UCD115645  Thysanocarpus laciniatus var. laciniatus Daryl Koutnik; John Cuti 1978-4-12 340 Los Angeles Verdugo Mountains, south of La Tuna Canyon Road. 579 Comment
  SEINET3372076  Tidestromia lanuginosa G. Rink 2011-6-5 10592 Los Angeles Chino Hills 396 Comment
  SEINET8720441 Image available Tillaea erecta F. R. Fosberg 1931-1 S 4313 Los Angeles Mouth of Hamilton Canyon. Santa Catalina Island. 2 Comment
  RSA150691  Toxicodendron diversilobum P. H. Raven 1962-5-10 17732 Los Angeles Horse Canyon, the large canyon west of Thirst, San Clemente Island 274 Comment
  SFV18453  Toxicodendron diversilobum C. Ferguson 1972-7-23 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  SFV20781  Tribulus terrestris J. N. Hogue 2007-6-6 s. n. Los Angeles San Fernando Valley Los Angeles, Northridge, CSUN campus. 260 Comment
  UCR143318  Tribulus terrestris Anstruther Davidson 1902-8-1 771 Los Angeles South Coast, Long Wharf, Santa Monica 30 Comment
  UCD107394  Tribulus terrestris C. P. Gould 1931-9-1 s.n. Los Angeles Sandberg. Comment
  RSA563523  Trichostema lanatum Tim S. Ross 1993-5-14 7139 Los Angeles Western San Gabriel Mountains: ca 720 meters SW of Wilson Canyon Saddle and 260 meters SE of knoll-top Radio Facility, on E side of ridge above Wilson Canyon Road 1043 Comment
  LA210288  Trichostema lanceolatum J. Ewan; 1929-8-14 Los Angeles Westwood Hills 137 Comment
  JEPS63182  Trichostema parishii Frank W. Peirson 1921-7-1 2473 Los Angeles Arraster Creek San Gabriel Mountains 1066 Comment
  RSA585157  Trichostema parishii Tim S. Ross, Steve D. Boyd 1990-6-1 2753 Los Angeles San Gabriel Mountains. Moody Truck Road: about the SE headwaters of Mill Canyon, ca 1500 m (by air) WNW of Messenger Flats 1549 Comment
  UCR282617  Trifolium ciliolatum Dan S. Cooper 2017-4-13 417- 22 Los Angeles Cornell Corners, ridge east of Kanan Rd. & Cornell Rd. 283 Comment
  UCD108525  Trifolium depauperatum var. truncatum Blanche Trask 1901-3-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  HSC15132  Trifolium gracilentum C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  IRVC28377  Trifolium gracilentum A. C. Sanders, Tricia Wotipka 2003-4-28 26093 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  POM349431  Trifolium gracilentum Samuel R. Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon. 396 Comment
  RSA251514  Trifolium gracilentum var. palmeri R. F. Thorne 1973-4-12 42941 Los Angeles San Clemente Island: Pyramid Cove at S end of island near small point between Triton and Thresher. 6 Comment
  POM349468  Trifolium microcephalum George B. Grant 1904-05 s.n. Los Angeles Pasadena. Comment
  SBBG44229  Trifolium microcephalum R. N. Philbrick with R. F. Thorne 1967-3-19 67 258 T Los Angeles between Sweetwater and Middle Ranch Cyns Comment
  JEPS66005  Trifolium monanthum subsp. grantianum Frank W. Peirson 1918-7-7 92 Los Angeles San Gabriel Mountains, Ontario Ridge Ontario Ridge; San Gabriel Mountains, Ontario Ridge Comment
  RSA91108  Trifolium obtusiflorum F. W. Peirson 1921-6-20 564 Los Angeles N fork San Gabriel River 914 Comment
  UC867007  Trifolium willdenovii F. R. Fosberg 1931-3-25 s 4367 Los Angeles near Avalon (Hamilton Canyon); Sant Catalina Island 100 Comment
  UCR23685  Triodanis biflora John C. Roos 1942-5-23 1068 Los Angeles San Gabriel Mtns., Santa Anita Canyon Comment
  RSA338448  Trisetum spicatum Wayne E. Sawyer 1981-7-24 114 Los Angeles Angeles National Forest: Lily Spring. Moist soil in area of Spring 2454 Comment
  SBBG108978  Triteleia clementina S. A. Junak 1997-3-6 SCl 731 Los Angeles E side of Tota Cyn 350 Comment
  SBBG95681  Triteleia clementina A. Liston, O. Mistretta, L. Rieseberg 1989-4-30 805 -3 Los Angeles Waynuk Cyn Comment
  RSA0044614  Tropidocarpum gracile A. C. Sanders, T. B. Salvato 2007-4-24 33482 Los Angeles Tehachapi Mountains: hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi SW of National Cement Plant. 1159 Comment
  RSA598863  Tropidocarpum gracile Steve Boyd, Timothy S. Ross 1997-3-21 9240 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  SBBG41405  Tropidocarpum gracile J. P. Broughton, K. K. Muller 1971-4-2 1351 Los Angeles between Palmdale and Lancaster Comment
  RSA426268  Turricula parryi F. R. Fosberg 1931-8-12 S 5468 Los Angeles Buckhorn Trail, Islip-Williamson divide between Bear and Big Rock Creeks; San Gabriel Mts. 2000 Comment
  RSA89384  Typha latifolia E. K. Balls 1952-9-22 8925 Los Angeles N of Claremont, Indian Hill Mesa. 366 Comment
  SD69376  Typha latifolia Robert F. Thorne 1966-9-14 36642 Los Angeles Santa Catalina Island; small dessicated marsh behind dunes at Ben Weston Beach 3 Comment
  UCR209416  Ulmus pumila R. G. Swinney 2008-12-2 9919 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  RSA240682  Umbellularia californica Donald R. Bissing 1973-2-22 s.n. Los Angeles Evey Canyon, San Gabriel Mts.: Near base of canyon along stream, 0.7mi. from mouth of canyon 817 Comment
  CAS-BOT-BC381902  Uropappus lindleyi Alice Eastwood 1906-5-27 s.n. Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  SBBG14242  Uropappus lindleyi M. A. Piehl 1962-6-10 62382 Los Angeles cyn just E of Thirst 304 Comment
  UCR272606  Uropappus lindleyi R. G. Swinney 2011-6-7 15056 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
  PASA350  Uropappus linearifolius Frank W. Peirson 1919-5-10 Los Angeles Arraster Creek, San Gabriel Mts. 914 Comment
  UCR124672  Urtica dioica subsp. holosericea B. C. Templeton 1933-7-21 5025 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  SBBG122035  Urtica urens S. D. White, B. Leatherman 2005-3-18 10794 Los Angeles "South Hills," just N of Interstate 210, ca. 0.3 air mi ENE of the I-210/Sunflower intersection; Glendora 305 Comment
  CHSC109275  Venegasia carpesioides Scott D. White; Brian Leatherman 2003-11-17 9857 Los Angeles San Gabriel Mountains: Big Dalton Canyon, above Glendora. Big Dalton Cyn. Rd., above reservoir. 533 Comment
  POM50216  Venegasia carpesioides L. R. Abrams 1901-04 1484 Los Angeles Santa Monica Mountains Comment
  RSA590652  Veratrum californicum var. californicum Greg Wright 1971-7-24 360 Los Angeles SE of CA Highway 2, SW of intersection Highway N4, 4 miles W of Wrightwood. San Gabriel Mountains. 2098 Comment
  POM263027  Verbascum virgatum J. C. Roos 1939-6-5 724 Los Angeles Footlhill Blve., north of San Dimas. Comment
  RSA411630  Verbena lasiostachys var. lasiostachys I. M. Johnston 1917-6-10 1320 Los Angeles Near Mesmer. Comment
  POM4008  Verbena lasiostachys var. lasiostachys Crawford, Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. 305 Comment
  RSA411745  Verbena lasiostachys var. lasiostachys F. R. Fosberg 1930-6-26 S- 3042 Los Angeles Lower Ballona Creek. 8 Comment
  UCR209126  Veronica anagallis-aquatica R. G. Swinney 2008-6-24 9091 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCSB63553  Veronica peregrina subsp. xalapensis Sanders, A.; Lott, E. 1993-5-6 Los Angeles Western Mojave Desert; SW edge of Rosamond Dry Lake; near E end of Ave C, just W of Piute Ponds and E of Sierra Hwy, at edge of Edwards AFB; T8N R12W S14 701 Comment
  LA201516  Veronica persica Arthur C. Gibson; 2003-5-6 4875 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, Malibu, Deerlick Trail, opposite Mulholland Highway. Comment
  RSA91298  Vicia americana var. americana Joseph A. Ewan 1932-7-4 7583 Los Angeles North Alta Dena, at foot of the San Gabriel Mountains. Comment
  RSA305707  Vicia villosa var. glabrescens Mark L. Hoefs, Doug Propst 1973-5-4 246 Los Angeles Santa Catalina Island: By west end road just beyond Cherry Cove, near Lyons Head Point. 46 Comment
  UCR272016  Vinca major R. G. Swinney 2010-4-30 12479 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  RSA302162  Vinca major Jim Shevock 1970-4-8 109 Los Angeles L.A. Pierce College. 244 Comment
  RSA412701  Viola pedunculata Chas. Paukey 1894-3-1 s.n. Los Angeles [No location information provided.] Comment
  RSA747146  Viola purpurea R. G. Swinney 2008-5-8 8806 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
  UCR97430  Viola purpurea R. G. Swinney 1995-8-28 4480 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  RSA188340  Vulpia bromoides R. F. Thorne, M. Z. Thorne 1966-5-31 36437 Los Angeles Santa Catalina Island: Fern Canyon W of Orizaba Mountain 229 Comment
  UCD93571  Vulpia bromoides Robert F. Thorne; M. Z. Thorne 1966-5-31 36437 Los Angeles Santa Catalina Island. Along stream in Fern Canyon W of Orizaba Mt. 228 Comment
  RSA0069768  Vulpia microstachys var. pauciflora LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6986 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA258390  Vulpia myuros C. W. Tilforth 1972-4-12 472 Los Angeles [Rancho Santa Ana Botanic Garden, Claremont.] Comment
  UC817995  Vulpia myuros var. hirsuta F. R. Fosberg 1931-3-19 S 4306 Los Angeles near Avalon (Hamilton Canyon); Santa Catalina Island, Hamilton Canyon 10 Comment
  UCD94669  Vulpia octoflora var. hirtella L. Whitney 1935-3-29 3011 b Los Angeles 20 miles W of Lancaster. Comment
  RSA629735  Woodwardia fimbriata L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Graveyard Canyon, second side canyon.. . Comment
  SD253398  Wyethia ovata R. G. Swinney 2011-6-23 15293 Los Angeles San Gabriel Mts.: Chilao Flat, along Chilao Creek, 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 Comment
  SBBG95452  Xanthium spinosum M. B. Dunkle 1928-10-7 2007 Los Angeles Middle Ranch Cyn 167 Comment
  RSA127947  Yabea microcarpa H. J. Thompson 1959-4-19 1949 Los Angeles Mulholland Highway, 1 miles W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  HSC101351  Zannichellia palustris R. G. Swinney 2008-12-4 9934 Los Angeles San Gabriel Mtns.: Azusa, mouth of San Gabriel Canyon, 1 mi. north of Foothill Blvd. 201 Comment
  CLARK-A1528-3311  Zauschneria cana John C. Roos 1946-11-23 3159 Los Angeles Placerita Canyon Comment
  SD52463  Zeltnera venusta Skip Stone 1952-5-22 82 Los Angeles Blanchard Park, Claremont 1100 Comment



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