Search Results — 2000 specimen records retrieved (1569 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
  SBBG96659  Abronia umbellata S. Boyd with T. Ross, L. Arnseth 1990-4-7 4251 Los Angeles lower half of China Cyn, W side Comment
  RSA623974  Abronia umbellata B. F. Krause 1921-4-6 352 Los Angeles Redondo Beach. Comment
  RSA710282  Acacia cyclops A. C. Sanders, Lee Jones 2005-4-8 29367 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UCR46559  Acacia cyclops A. C. Sanders 1986-7-30 6804 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
  RSA776735  Acer negundo Steve D. Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11675 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA416195  Achillea millefolium var. californica F. R. Fosberg 1931-3-31 s 4426 Los Angeles Avalon, Santa Catalina Island. 5 Comment
  POM353174  Achnatherum coronatum Edwin Kline 1924-6-22 s.n. Los Angeles Mt. Wilson Comment
  RSA484090  Achnatherum coronatum Anstruther Davidson 1917-06 s.n. Los Angeles Crescenta. Comment
  RSA730072  Achnatherum coronatum R. G. Swinney, D. W. Larson 1999-5-29 7220 Los Angeles San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork 600 m north of confluence with East Fork Comment
  UC777919  Achnatherum coronatum Frank W. Gould 1944-6-30 2371 Los Angeles 5.9 mi from Coast Highway (on Los Flores Canyon Road, just e of roadcut) Comment
  RSA91730  Achnatherum coronatum Joseph A. Ewan 1932-5-29 7224 Los Angeles dry rocky ground along open trail 1463 Comment
Read comments
Mar 9 2015
  CAS-BOT-BC216458  Achnatherum occidentale subsp. californicum A. A. Beetle 1942-6-25 3641 Los Angeles Route 2, 2 miles N of Big Pine Camp, San Bernardino Mountains Comment
  RSA639723  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  SD79053  Acmispon argophyllus var. argenteus R. Mitchel Beauchamp 1967-1-27 110 Los Angeles San Clemente Island, in field east of Wilson Cove area Comment
  SDSU4284  Acmispon argophyllus var. argophyllus R. M. Beauchamp 1967-1-27 119 Los Angeles San Clemente Island. Wilson Cove area. Comment
  SD79056  Acmispon dendroideus var. traskiae R. Mitchel Beauchamp 1967-1-27 120 Los Angeles San Clemente Island: on slope south of Wilson Cove Comment
  SD39821  Acmispon glaber Edith A. Purer 1931-2-21 93 Los Angeles El Segundo, sand dunes Comment
  SBBG128247  Acmispon grandiflorus M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-6 3017 Los Angeles Parson's Landing 4 Comment
  CATA1580  Acmispon maritimus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2850 Los Angeles Santa Catalina Island: Upper end of road to Toyon Beach 381 Comment
  SBBG131583  Acmispon maritimus S. A. Junak 2000-4-15 SCa 1197 Los Angeles just W of intersection with rd to Wrigley Memorial & Avalon Cyn, along Divide Rd 335 Comment
  CATA3333  Acmispon micranthus Amy Catalano 2017-4-13 050 Los Angeles Santa Catalina Island: Steep hillside about 150 meters SW of junction of Silver Peak and Water Tank roads 323 Comment
  SBBG127507  Acmispon wrangelianus M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2831 Los Angeles hillside above New York Harbor 54 Comment
  SD230161  Acroptilon repens Louis C. Wheeler 1968-7-18 Los Angeles Claremont: Just W of 200 E. Dartmouth St., 2 miles NE of La Verne. Hot dry sunny roadside. Comment
  CAS-BOT-BC133177  Adenostoma fasciculatum Timothy S. Ross; J. Mark Porter 1995-5-4 8423 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road; Liebre Mountains 585 Comment
  CAS-BOT-BC133185  Adenostoma fasciculatum W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  UCR256237  Adenostoma fasciculatum R. G. Swinney 2010-5-19 12847 Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  RSA226995  Adenostoma fasciculatum var. fasciculatum Robert F. Thorne, C. W. Tilforth 1971-6-17 39973 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  POM308895  Adiantum aleuticum Kay H. Beach 1942-11-3 638 (631?) Los Angeles 3100 S. contour, first main canyon east of spot ''B'', side canyon, San Dimas Experimental Forest. 944 Comment
  POM874  Adiantum capillus-veneris I. M. Johnston 1918-9-1 2135 Los Angeles San Antonio Mountains. Fern Canyon north of Brown's Flats. 1220 Comment
  LA94096  Adiantum jordanii Lawrence L. Kiefer; 1966-4-10 1850 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi S of Camp Josepho in ravine W of canyon. 304 Comment
  UCR23352  Adiantum jordanii John C. Roos 1942-4-18 1084 Los Angeles Transverse Range; San Gabriel Mtns., East Fork of Santa Anita Canyon Comment
  RSA248877  Adiantum jordanii Robert F. Thorne 1973-4-12 42967 Los Angeles San Clemente Island: large canyon S of Mosquito Cove, N of Chenity. 259 Comment
  RSA545280  Adiantum jordanii D. Propst, Mark L. Hoefs 1973-2-5 5 Los Angeles Santa Catalina Island: Southeast of Wrigley Memorial in Upper Avalon Canyon. 244 Comment
  UCR259752  Ageratina adenophora R. G. Swinney 2010-4-20 12293 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA416384  Agoseris retrorsa B. C. Templeton 1947-5-21 6262 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  UCR223458  Agoseris retrorsa R. G. Swinney 2009-6-8 11097 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
  UCR273543  Agoseris retrorsa R. G. Swinney 2011-6-22 15262 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
  POM308948  Agoseris retrorsa Kay H. Beach 1942-5-28 625 Los Angeles San Dimas Experimental forest, U. S. Forest Dept. 500 feet above flume no. 3 Comment
  UC1595325  Agrostis exarata Tim Ross and Orlando Mistretta 1992-7-24 6771 Los Angeles vicinity Strawberry Spring (76 degrees ene, 900 m distant from Strawberry Peak summit); San Gabriel Mts. 1460 Comment
  SEINET10790176  Agrostis gigantea Joseph A. Ewan 1936-8-2 Ewan 9918 Los Angeles San Gabriel Mts. Rock pocket along living stream, fairly deep shade of alders. Mescal Creek. 1615 Comment
  CAS-BOT-BC139054  Agrostis pallens Dunn 1931-5-30 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  CATA1850  Agrostis pallens Denise Kraus, Patricia Moore 2000-5-12 31 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On second ridge trending northwestward after large, obvious rocky outcrop (that outcrop is at end of western fuel break road/ ridge) 259 Comment
  RSA605010  Agrostis stolonifera L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  RSA782804  Alisma plantago-aquatica A. C. Sanders, Dan S. Cooper 2010-8-5 38538 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  UCR152765  Alisma triviale D. E. Bramlet 2003-9-17 3468 Los Angeles San Gabriel Mtns., Big Dalton Debris Basin 324 Comment
  SBBG127061  Allium fimbriatum var. fimbriatum A. Parikh, N. Gale 2011-6-11 3449 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1 km N of Aliso Cyn Rd; San Gabriel Mtns 1186 Comment
  RSA550284  Allium fimbriatum var. fimbriatum Walter Wisura, G. Perez 1992-5-19 4778 Los Angeles 1 mi. W of Largo Vista Rd. Comment
  RSA367099  Allium haematochiton T. S. Clare 1929-3-17 s.n. Los Angeles Topanga Canyon. Comment
  RSA729792  Allium monticola R. G. Swinney 1998-6-16 6978 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
Read comments
Nov 6 2012
  POM3484  Allophyllum glutinosum Crawford, Hiatt 1916-3-29 s.n. Los Angeles Topango Canyon Comment
  UC1517700  Allophyllum glutinosum Mrs. Trask May 1897 5 Los Angeles Avalon Santa Catalina Isl., Avalon Comment
  RSA0021517  Alnus rhombifolia Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5146 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA639889  Alnus rhombifolia L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Headwaters of Cruthers Creek, north side Will Thrall Peak, on Burkhart trail. 2012 Comment
  RSA765471  Alnus rhombifolia Doris Bowers 1957-2-16 394 Los Angeles Dalton Canyon 610 Comment
  RSA598952  Amaranthus albus R. G. Swinney 1989-8-5 s.n. Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. Glendora Ridge Motorway, 1/4 mi. W of Glendora Mountain Road. 731 Comment
  POM213642  Amaranthus deflexus P. A. Munz 1932-10-1 13130 Los Angeles Pomona Junction. 274 Comment
  RSA402986  Amaranthus deflexus L. C. Wheeler 1931-9-10 130 Los Angeles Pomona. 259 Comment
  RSA188159  Amblyopappus pusillus R. F. Thorne 1966-4-4 35766 Los Angeles Santa Catalina Island: near Ballast Point on E side of Catalina Harbor, Isthmus. Comment
  RSA534151  Amblyopappus pusillus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5054 Los Angeles San Clemente Island, disturbed flats 650ft SE of the air terminal. 64 Comment
  RSA661067  Amblyopappus pusillus Orlando Mistretta 1992-4-5 175 Los Angeles Guds, San Clemente Island. Comment
  SBBG61231  Ambrosia acanthicarpa R. Hoffmann 1928-9-11 Los Angeles Acton Comment
  UCR210483  Ambrosia acanthicarpa R. G. Swinney 2008-12-2 9927 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  POM277139  Ambrosia acanthicarpa E. S. Steele 1935-10-11 s.n. Los Angeles Glen Oaks Hills, Glendale Comment
  UCSB27640  Ambrosia acanthicarpa Lavinger, S. 1975-10-27 Los Angeles On Little Tujunga Road 3 miles south from its junction with Bear Drive; Little Tujunga Canyon 457 Comment
  SBBG12924  Ambrosia chamissonis E. R. Blakley 1962-6-10 5252 Los Angeles large beach dunes near Wall 2 9 Comment
  RSA232705  Ambrosia chamissonis Larry E. DeBuhr, Gary D. Wallace 1972-9-1 s.n. Los Angeles San Clemente Island. West Cove NW on island. Comment
  SBBG105354  Ambrosia chamissonis H. L. Ferguson 1980-4-15 161 Los Angeles near Pot Pound, area W of Wilson Cove 83 Comment
  UC53981  Ambrosia psilostachya H. P. Chandler 1907-9-9 2044 Los Angeles Ballona Marshes Comment
Read comments
Sep 26 2011
  UC1349046  Ammannia robusta Robert F. Thorne 1966-9-16 36710 Los Angeles margin of reservoir at Hay Press (Santa Catalina Isl.); , Hay Press 411 Comment
  CAS-BOT-BC180648  Amorpha californica var. californica Geo. B. Grant 1904-5-19 39 Los Angeles Mt. Wilson Comment
  RSA594565  Amorpha californica var. californica L. C. Wheeler 1967-7-30 10278 Los Angeles San Gabriel Mountains. Trail Canyon ca. 1/2 way between Tom Lucas campground and BM 3434. 1005 Comment
  CATA1033  Amsinckia intermedia Mark L. Hoefs 1995-5-4 1955 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  LA81964  Amsinckia intermedia O. H. Kappler; 1941-3-15 136 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SD197704  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mountains; San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  UCR187109  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32242 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
  UCR240287  Amsinckia intermedia A. C. Sanders 2006-4-11 32047 B Los Angeles Western Mojave Desert, Antelope Valley, 0.2 mi. west of 20th St. East on Ave. 'G', NE side of Lancaster, south of Rosamond Lake 710 Comment
  RSA755971  Amsinckia intermedia Orlando Mistretta, Christine Mistretta 2008-4-4 2306 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 54 per TRTP survey; 2008) 1341 Comment
  RSA653623  Amsinckia menziesii S. Koukol, R. Koukol 1998-5-3 50 Los Angeles La Verne, in field E of Williams Ave., 0.1 mi S of Baseline Road 381 Comment
  SD252290  Amsinckia menziesii Steven A. Junak 1999-4-22 Sca 841 Los Angeles Santa Catalina Island: in upper part of Cape Canyon, at pumphouse, just upstream from fork in road. 305 Comment
  UC213280  Amsinckia menziesii var. menziesii I. M. Johnston 1918-4-11 1834 Los Angeles s of Glendora; Love Hill 365 Comment
Read comments
Apr 7 2014
  SBBG96950  Amsinckia spectabilis S. Boyd with T. Ross, L. Arnseth 1990-4-8 4311 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  RSA726020  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26120 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UCD119823  Amsinckia tessellata Daryl Koutnik 1978-3-23 125 Los Angeles Along State Hwy 18, north of Hwy 18 and just west of the Los Angeles/San Bernardino County line. 960 Comment
  RSA465139  Anagallis arvensis Unspecified s.n. Los Angeles Behind Glendale J. C. Comment
  SD230131  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1946-9-2 6343 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile W of Bear Creek. 518 Comment
  UC303506  Angelica tomentosa I. M. Johnston 1918-9-1 2141 Los Angeles near Brown's Flat (San Antonio Mountains); San Antonio Mountains 1310 Comment
  SD255636  Anisocoma acaulis Mitch Provance, Callen Huff 2009-4-28 10673 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, ca. 1.3 miles ENE of Gorman. 1371 Comment
  RSA416830  Anthemis cotula L. E. Hoffman s.n. Los Angeles Arroyo Seco Canyon. Comment
  RSA647806  Antirrhinum coulterianum LeRoy Gross, Laura Moore 2000-6-5 228 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  UCR270678  Antirrhinum coulterianum R. G. Swinney 2011-5-24 14808 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  JEPS83326  Antirrhinum kelloggii David M. Thompson 1983-5-20 310 Los Angeles 2.4 mi w Interstate 5 (along Pico Canyon Road, n side of road); Santa Susana Mtns., Newhall Quad. (7.5', 1969) 487 Comment
  RSA191024  Antirrhinum kelloggii Robert F. Thorne, James Henrickson 1963-5-5 32308 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  RSA425829B  Antirrhinum kelloggii Albert J. Perkins 1920-2-16 s.n. Los Angeles Glendora, Little Dalton Trail Comment
  UCR190248  Antirrhinum kelloggii R. G. Swinney 2000-5-21 7770 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, c. 300 m SW of Rincon Rd. entrance and Hwy 39, on plateau W of Rincon Rd. 549 Comment
  CATA642  Antirrhinum nuttallianum subsp. subsessile Mark L. Hoefs 1991-4-16 1109 Los Angeles Santa Catalina Island: Near lower end of Renton Mine Road 201 Comment
  SBBG133007  Aphanisma blitoides S. A. Junak 1996-4-14 SCI- 336 Los Angeles W side of Whale Point, 0.25 mi SE of Peninsula Point 6 Comment
  RSA37398  Apiastrum angustifolium F. W. Peirson 1919-5-18 133 Los Angeles Hills east of Monrovia Canyon 457 Comment
  RSA470404  Apium graveolens H. de Forest 1931-8-7 s.n. Los Angeles Topanga canyon Comment
  CLARK-A1528-1425  Apium leptophyllum Alfred R. Roos 1958-5-29 Los Angeles parking strip on the 1900 block of Westwood Blvd. Comment
Read comments
Oct 26 2015
  SD181726  Apocynum cannabinum LeRoy Gross, Naomi Fraga, et al. 2003-6-19 1109 Los Angeles Verdugo Mountains region: North side of mountains. West of Haines Canyon Park, off of Estepa Drive in Tujunga. 456 Comment
  SEINET3245959  Arabis R. G. Swinney 2009-1 10870 Los Angeles Transverse Range; San Gabriel Mtns.: Sulphur Springs Campground, streamside from campground to 300 m downstream (Waterman Mtn. 7.5') 1585 Comment
  LA212281  Arabis pulchra Lee Haines; 1968-3-30 s.n. Los Angeles NW corner. 6 miles south of Gorman. 1127 Comment
  UCR138504  Arabis sparsiflora var. arcuata L. C. Wheeler 1970-6-28 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp 2012 Comment
  HSC79120  Arabis sparsiflora var. californica James Henrickson 1973-5-12 9573 Los Angeles 6 air mi. NE of La Canada, 3.1 road mi. N of N3, off Angeles Crest Hwy.; in canyon along road in granitic slopes of San Gabriel Mtns. 1037 Comment
  UC420599  Aralia californica D. L. Crawford 1915-6-30 562 Los Angeles canyons above Claremont Comment
  RSA613500  Arceuthobium divaricatum Louis C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Ridge between Boulder Canyon and Grandview Canyon. 1723 Comment
  SD90417  Arctostaphylos catalinae Robert F. Thorne 1970-3-5 39355 Los Angeles Santa Catalina Island; Middle Ranch Canyon. 395 Comment
  CAS-BOT-BC46101  Arctostaphylos gabrielensis Walter Knight; Irja Knight 1986-11-26 6309 Los Angeles San Gabriel Mts. Mill Creek Campground at summit on road N-3 1417 Comment
  LA34180  Arctostaphylos glandulosa Peter H. Raven; Henry J. Thompson 1959-2-25 13807 Los Angeles Santa Monica Mountains, 1.2 mi E of Saddle Peak 670 Comment
  RSA626671  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15780 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Road, San Gabriel Mountains. 1000 Comment
  RSA626711  Arctostaphylos glandulosa Jon E. Keeley 1979-6-14 7409 Los Angeles 16 km off Angeles Crest Highway on road to Singing Pines. 1930 Comment
  UCR51977  Arctostaphylos glandulosa Steve Boyd, T. S. Elias 1987-4-14 2043 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  POM367269  Arctostaphylos glandulosa subsp. glandulosa H. L. Bauer 1932-5-1 15356 Los Angeles Santa Monica Mts., along road to Saddle Peak. 610 Comment
  RSA590554  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1993-5-19 7169 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  RSA626749  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1982-5-25 7741 Los Angeles La Tuna Canyon Road, south of Hwy 210. Comment
  RSA629094  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Allen Massihi 1992-8-20 20259 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA600302  Arctostaphylos glauca L. C. Wheeler 1961-6-13 7869 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1066 Comment
  RSA631481  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15972 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631563  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22004 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 Comment
  RSA771584  Arctostaphylos glauca R. G. Swinney 2009-5-6 10667 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR276827  Arctostaphylos glauca R. G. Swinney 2010-5-21 12873 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
  RSA634343  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22081 Los Angeles Entrance to Crystal Lake Recreation Area, San Gabriel Mountains. 1720 Comment
  RSA634732  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20563 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634837  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20417 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
  RSA634869  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20268 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634909  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22053 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA635184  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20592 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA522335  Arctostaphylos patula T. S. Ross 1990-7-10 4027 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA70824  Arctostaphylos patula F. W. Peirson 1918-6-17 143 Los Angeles summit of North Baldy 2743 Comment
  CAS-BOT-BC44356  Arctostaphylos pringlei subsp. drupacea George B. Grant 1901-1-1 10651 Los Angeles Pasadena, Mt. Loma Comment
  CDA10104  Arctotheca prostrata A. C. Sanders 2003-5-1 26289 Los Angeles San Gabriel Valley; Irwindale, near boundary of Azusa, south side of Montoya St. just east of Irwindale Ave., south of I-210 Comment
  RSA661184  Aristida purpurea var. parishii LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 400 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 366 Comment
  POM305684  Artemisia californica Henry J. Ramsey, Henry J. Ramsey 1937-8-29 982 Los Angeles Altadena. 396 Comment
  CAS-BOT-BC90346  Artemisia douglasiana Peter H. Raven 1957-9-21 11319 Los Angeles hill at n.w. end of U.C.L.A. campus, Los Angeles Comment
  JEPS26141  Artemisia douglasiana Peter H. Raven 1959-3-8 13837 Los Angeles 1.1 mi. west of Coast Highway; Santa Monica Mountains, Topanga Canyon Comment
  RSA714588  Artemisia douglasiana A. C. Sanders 2002-8-26 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa' 305 Comment
  RSA188485  Artemisia douglasiana R. F. Thorne, John Olmsted 1965-8-26 35398 Los Angeles Angeles National Forest, thickety area near Prairie Fork 1616 Comment
  UCR259663  Artemisia dracunculus R. G. Swinney 2010-8-30 13640 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon bottom, 0.1 miles south of confluence with Winter Creek 537 Comment
  RSA562256  Artemisia dracunculus D. Charlton 1989-6-10 3221 Los Angeles Frazler Mtn Rd., Lockwood Valley, Los Padres National Forest. 1829 Comment
  SD52942  Artemisia nesiotica Peter H. Raven 1962-5-9 17709 Los Angeles San Clemente Island; Wilson Cove. 45 Comment
  UC557794  Artemisia nesiotica Nell Murbarger 1936-4-1 127 Los Angeles extreme southern part San Clemente Island Comment
  UCR223395  Artemisia tridentata R. G. Swinney 2009-7-29 11405 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
  RSA602751  Asclepias eriocarpa L. C. Wheeler 1967-8-1 10219 Los Angeles San Gabriel Mountains: 1/2 mile N of Roundtop. 1889 Comment
  RSA401680C  Asclepias eriocarpa F. R. Fosberg, J. A. Ewan 1931-8-11 S 5530 Los Angeles NW spur Mt Islip Comment
  POM305607  Asclepias fascicularis Henry J. Ramsey, Henry J. Ramsey 1937-9-2 910 Los Angeles Angeles Crest Highway. Comment
  UCSC000564  Asclepias fascicularis Jerome S. Horton 1936-8-25 386 Los Angeles Pomona, San Dimas Experimental Forest, Tanbark Flat 792 Comment
  RSA0124765  Asparagus officinalis subsp. officinalis Louis C. Wheeler 1946-8-27 6260 Los Angeles San Gabriel Mountains: Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1113 Comment
  RSA762140  Asplenium vespertinum Orlando Mistretta, Christine Mistretta 2008-5-15 3064 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  CAS-BOT-BC27560  Aster greatae L. A. Greata 1900-9-1 s.n. Los Angeles Eaton Canyon. Pasadena. Comment
  RSA623472  Aster greatae L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mountains: Graveyard Canyon. Comment
  RSA417732  Aster hesperius Anstruther Davidson 1892-08 1023 Los Angeles Cienega Comment
  UCR191268  Astragalus bicristatus R. G. Swinney 1998-7-2 6208 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA704236  Astragalus didymocarpus var. didymocarpus Gary D. Wallace, Ann Hiller 1983-5-18 2043 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. 945 Comment
  RSA90151  Astragalus didymocarpus var. didymocarpus F. W. Peirson 1920-3-28 2102 Los Angeles Low hill at foot of Tujunga Canyon, west end of San Gabriel Mtns. 457 Comment
  UCR239014  Astragalus didymocarpus var. dispermus Anuja Parikh, Nathan Gale 2010-6-9 3271 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, northwest of Vincent and Soledad Pass, 3.0 km northwest of State Hwy 14, under powerlines 1125 Comment
  UCSB2994  Astragalus douglasii Ballard 1954-5-26 Los Angeles Near Claremont, north of Route 66, San Gabriel Mts. 259 Comment
  RSA131259  Astragalus douglasii var. douglasii Percy C. Everett, E. K. Balls 1959-5-22 23809 Los Angeles Holiday Hill, Big Pine, Hwy 2. Comment
  SBBG31433  Astragalus gambelianus R. F. Thorne 1966-4-5 Los Angeles Cottonwood Cyn 106 Comment
  UCR153325  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2005-4-26 29733 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  UCR150471  Astragalus leucolobus R. G. Swinney 1999-6-21 7392 Los Angeles San Gabriel Mtns., Boulder Canyon, upper end near Hwy 2 1854 Comment
  SBBG105337  Astragalus nevinii H. L. Ferguson 1979-9-5 208 Los Angeles cyn NW of island nursery 175 Comment
  SDSU19657  Astragalus nevinii Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas 2000-7-19 2185 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  SD143911  Astragalus pachypus var. pachypus C. Pierce, G. Pratt 1997-3-4 Los Angeles San Gabriel Mountains, Carr Canyon, near town of Little Rock. 1159 Comment
  UC574564  Astragalus preussii var. laxiflorus A. Davidson Los Angeles Antelope Valley Comment
  UC56521  Astragalus pycnostachyus var. lanosissimus Ernest Braunton Sept 1902 682 Los Angeles Ballona Slough Comment
  UC13396  Astragalus trichopodus var. lonchus Blanche Trask Dec. 1895 Los Angeles Avalon Santa Catalina Island (Santa Catalina Island) Comment
  POM74235  Astragalus trichopodus var. phoxus Katherine Brandegee 1909-05 s.n Los Angeles Saugus Comment
  POM9711  Astragalus trichopodus var. phoxus P. A. Munz 1921-4-24 4434 Los Angeles Ridge Road, near Castaic. 610 Comment
  RSA133402  Astragalus trichopodus var. phoxus P. H. Raven 1959-5-11 14225 Los Angeles North part of Topanga Canyon. 152 Comment
  RSA415702  Astragalus trichopodus var. phoxus Robert Gustafson 1978-5-2 931 Los Angeles Extreme southeastern end of Hungry Valley, ca 1/4 mile west of Hwy. 5, 7 miles south of Gorman on Hwy. 5. 945 Comment
  SEINET10737832 Image available Astragalus trichopodus var. phoxus Samuel B. Parish Parish 1886 Los Angeles San Francisquito Canyon. Comment
  UCR192020  Atriplex A. C. Sanders 2008-4-16 34907 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, 0.15 mi. north of Hwy 138 on the eat side of the cement plant road, 0.75 mi. ESE of Quail Lake 1021 Comment
  UCR238074  Atriplex argentea Mark A. Elvin, M. S. Enright 2002-7-22 2111 Los Angeles Western Transverse Range, Newhall Ranch, Salt Creek 305 Comment
  RSA411863  Atriplex argentea subsp. expansa Edwin Kline 1924-8-18 14841 Los Angeles Waste Places Comment
  SDSU5514  Atriplex argentea var. mohavensis R. M. Beauchamp 1967-3-18 295 Los Angeles San Clemente Island. Comment
  RSA624124  Atriplex californica L. C. Wheeler 1933-4-27 1666 Los Angeles Playa Del Rey 15 Comment
  UC1234617  Atriplex californica Peter H. Raven 1962-7-10 17951 Los Angeles near w shore San Clemente Island due w Wall 2; w shore San Clemente Island Comment
  UC1595445  Atriplex canescens Tim Ross 1992-7-10 6687 Los Angeles 6 degrees N and 2520 m distant from Thorn Peak (Upper Big Tujunga Canyon along UBTC Road, San Gabriel Mountains); San Gabriel Mountains, Upper Big Tujunga Canyon 1085 Comment
  UCR129422  Atriplex canescens A. C. Sanders, Mark Elvin 2002-6-18 25142 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  SBBG65415  Atriplex canescens var. canescens R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  RSA0117621  Atriplex confertifolia Sarah J. J. De Groot 2005-5-19 4978 Los Angeles Antelope Valley, along Avenue G between 30th and 40th Streets. 702 Comment
  SD232658  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13943 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Hwy at Ave G, to 1/10 mi.NW of intersection. 705 Comment
  RSA630774  Atriplex coulteri Steven A. Junak 1997-4-23 SCI- 860 Los Angeles San Clemente Island: flats on E rim of upper W fork of Norton Canyon , ca. 1.75 mles WSW of Thirst. 411 Comment
  SD53035  Atriplex coulteri Peter H. Raven 1962-5-8 17589 Los Angeles San Clemente Island; Slopes above Seal Cove. 39 Comment
  UCR233690  Atriplex coulteri Kai T. Palenscar 2011-3-23 s.n. Los Angeles Channel Islands, Catalina Island, approx. 1 mile northwest of Middle Ranch 250 Comment
  UC56784  Atriplex lentiformis Ernest Braunton Oct 1902 710 Los Angeles Ballona Ballona (shore of lagoon) Comment
  UCR123630  Atriplex lentiformis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25485 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  RSA524194  Atriplex lentiformis subsp. breweri T. S. Ross, Steve D. Boyd 1990-6-6 2887 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest 927 Comment
  CATA1165  Atriplex leucophylla Mark L. Hoefs 1995-5-30 2158 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  RSA177734  Atriplex leucophylla R. F. Thorne, P. Everett 1965-5-11 s.n. Los Angeles Santa Catalina Island. N side of N cove of Little Harbor. 5 Comment
  RSA478310  Atriplex leucophylla G. J. Hoffenberg 1928-7-24 s.n. Los Angeles Del Rey Palisades Comment
  POM653  Atriplex microcarpa L. R. Abrams 1903-3-14 3137 Los Angeles San Pedro Hills, near Rocky Point. Comment
  POM279019  Atriplex nummularia Grant D. Brown 1949-11-24 446 Los Angeles Playa del Rey. 15 Comment
  POM50708  Atriplex parryi A. D. E. Elmer 1902-06 s.n. Los Angeles Lancaster. Comment
  RSA124914  Atriplex phyllostegia A. G. O Berg 1956-3-28 72 Los Angeles 4 miles S of Kerman, 2 miles W of Madera Road along apron of American R in alkali sink community. Comment
  UCSB1654  Atriplex polycarpa Wedberg, H. 1958-4-13 Los Angeles Eight miles north of Pearblossom Comment
  RSA453963  Atriplex semibaccata F. R. Fosberg 1930-10-18 S 4107 Los Angeles Nigger Slough . [locality name change to Laguna Dominguez ] Comment
  SBBG98485  Atriplex semibaccata T. Ross 1991-5-22 5444 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  SD51863  Atriplex semibaccata Peter H. Raven 1962-7-10 17948 Los Angeles San Clemente Island; near west shore of island due west of Wall 2. Comment
  RSA385384  Avena barbata H. L. Bauer 1928-10-12 s.n. Los Angeles Long Beach. Comment
  RSA534146  Avena barbata Timothy S. Ross 1991-5-17 5079 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  UCD56113  Avena barbata A. A. Beetle 1942-4-18 3248 Los Angeles Foothill Blvd., 13 miles south of Pasadena. Comment
  LA10995  Avena barbata s.n. Los Angeles Comment
  RSA593769  Avena fatua Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8562 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  RSA187949  Avena sativa R. F. Thorne 1966-4-29 36274 Los Angeles Santa Catalina Island: above ranch in Middle Ranch Canyon 229 Comment
  POM350401  Baccharis pilularis Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  UC557665  Baccharis pilularis Nell Murbarger 1936-4-1 156 Los Angeles San Clemente Island 274 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
  SBBG12854  Baccharis pilularis subsp. consanguinea E. R. Blakley 1961-9-24 4780 Los Angeles Little Springs Cyn 15 Comment
  CAS-BOT-BC98153  Baccharis salicifolia Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7419 Los Angeles Palos Verdes Peninsula : Rancho Palo Verdes; un-named horeshoe-shaped canyon to the NE of upper Forrestal Drive; 173 Comment
  RSA438416  Bergerocactus emoryi Anonymous, Hancock Expedition 1939-2-18 s.n. Los Angeles San Clemente Island Comment
  HSC24275  Beta vulgaris Art Hastings 1968-6-6 41 Los Angeles California State College at Los Angeles in San Gabriel Valley 122 Comment
  RSA654303  Bloomeria crocea Monica Acosta 1998-5-26 26 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona) 226 Comment
  RSA367313  Bloomeria crocea var. crocea C. B. Liter, J. A. Powell 1928-4-2 s.n. Los Angeles Santa Catalina Island. NW of Avalon. Comment
  RSA0125909  Boechera Steve Boyd, Lauren Raz 1997-5-1 9647 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  UC934018  Boechera sparsiflora H. L. Cogswell 1951-6-8 114 Los Angeles w side Bell Canyon; San Gabriel Mountains; coordinates continue: Sec. F6-7, Plot 5 853 Comment
  RSA682648  Bougainvillea glabra LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber. 2003-6-17 1033 Los Angeles South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  UC1922716  Bowlesia incana Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1183 Los Angeles Transverse Ranges; Verdugo Mountains region; Northwestern edge of Verdugo Mts, north of La Tuna Canyon. Near junction of Green Verdugo Fire Road from 210 Fwy and road to Green Verdugo Reservoir. 473 Comment
  UCR274115  Bowlesia incana Steven A. Junak 1999-5-20 SCa- 945 Los Angeles California Islands, Santa Catalina Island, just south of Cottonwood-Black Jack Road 305 Comment
  RSA251471  Bowlesia incana R. F. Thorne 1973-4-11 42839 Los Angeles San Clemente Island, wet bottom of Norton Canyon. 274 Comment
  RSA0055986  Brassica geniculata Richard G. Swinney 2010-3-22 12038 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UCR218018  Brassica geniculata A. C. Sanders, Dan S. Cooper 2010-8-5 38553 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR281627  Brassica geniculata R. G. Swinney 2014-5-19 16584 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
  UC1584701  Brassica nigra Tim Ross 1991-3-24 4319 Los Angeles Whittier Hills (Puente Hills, pro parte): between Sycamore Canyon and Turnbull Canyons. 363 Comment
  LA51495  Brassica rapa D. Dunn; 1941-3-11 Los Angeles San Gabriel Mountains, Foothills, N of Santa Monica Comment
  UCR269246  Brassica tournefortii Erika M. Gardner, LeRoy Gross, Nancy Hamlett 2012-3-8 03 Los Angeles City of Claremont, Bernard Field Station, at the south entrance gate. Found on the south side of the fence near Foothill Blvd and along the southwest border of the station along Dartmouth Ave. 398 Comment
  CAS-BOT-BC100436  Brickellia californica Grinnell 1911-9-29 s.n. Los Angeles San Gabriel Mts., Bailey [Canon] Canyon Comment
  LA31693  Brickellia californica Peter H. Raven; Henry J. Thompson 1959-10-31 14725 Los Angeles Santa Monica Mountains, Mandeville Canyon, 5.8(?) mi N of Sunset Blvd 365 Comment
  RSA0106494  Brickellia californica R. G. Swinney 2011-10-18 15830 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA670690  Brickellia californica B. C. Templeton 1947-5-21 6283 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA783440  Brickellia californica J. D. Olmsted 1959-9-22 990 Los Angeles Near San Bernardino County line at beginning of Icehouse Canyon (mouth); in creek bottom; NNE of Claremont; San Gabriel Mts. 1524 Comment
  SBBG31303  Brickellia californica R. F. Thorne with P. C. Everett 1965-6-22 34857 Los Angeles rd to Renton Mine 121 Comment
  UC1584103  Brickellia californica Tim Ross and Orlando Mistretta 1990-10-24 3293 Los Angeles 0.6 mi e of San Gabriel Reservoir (slope between Venedo and Minero Canyons along Upper Monroe Road, San Gabriel Mountains); San Gabriel Mountains 745 Comment
  LA31687  Brickellia californica Peter H. Raven; Henry J. Thompson 1958-10-11 13765 Los Angeles Santa Monica Mountains, Piuma Road, 4.2 mi W of Saddle Peak 640 Comment
  RSA292479  Brickellia nevinii James Henrickson 1972-11-2 8103 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 & Hasley Cyn. Rd. 366 Comment
  SJSU13541  Brickellia nevinii C. W. Sharsmith 1940-8-29 4221 Los Angeles S slope San Gabriel Peak at head of Eaton Canyon, San Gabriel Mts 1524 Comment
  UC1587585  Brickellia nevinii Tim Ross 1991-9-1 5885 Los Angeles near x Yerba Buena Road Mulholland Highway (Santa Monica Mountains); Santa Monica Mountains 563 Comment
  UCR204828  Brickellia nevinii R. G. Swinney 2005-8-17 8506 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
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Dec 21 2018
  RSA226254  Brodiaea jolonensis Gary D. Cromwell, D. Wheat 1971-5-23 690 Los Angeles Mystic Canyon, San Gabriel Mtns., Angeles National Forest. 2 miles NE of Glendora, 549 Comment
  SBBG56650  Bromus berteroanus R. Hoffmann 1932-4-27 Los Angeles NW of Lancaster Comment
  RSA385307  Bromus carinatus Anonymous 1914-6-29 s.n. Los Angeles Inglewood. Comment
  SD69008  Bromus carinatus Robert Thorne, D. Propst 1968-5-28 37668 Los Angeles Santa Catalina Island; upper N slope of Bulrush Canyon in cactus clump 395 Comment
  RSA579431  Bromus carinatus var. carinatus Timothy S. Ross 1994-5-31 7962 Los Angeles Pacifico Mountain: W slope. ca. 315 m WSW of the 7124-foot summit. 2085 Comment
  CAS-BOT-BC156119  Bromus diandrus Timothy S. Ross; Victor W. Steinmann 1995-5-8 8574 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  POM363404  Bromus diandrus Anstruther Davidson 1917-04 3183 Los Angeles E. Los Angeles. Comment
  SEINET4391182  Bromus diandrus Roth 1903-1 127 a Los Angeles Pasadena Comment
  POM363862  Bromus hordeaceus Gary D. Wallace 1979-4-12 1672 Los Angeles Monrovia. Comment
  UC50584  Bromus hordeaceus Dr. A. Davidson Los Angeles Lancaster Comment
  UCR208023  Bromus hordeaceus F. R. Fosberg 1931-4-4 S- 4493 Los Angeles Channel Islands, Santa Catalina Island, Cherry Canyon 60 Comment
  UCR149831  Bromus madritensis subsp. madritensis Scott D. White, Pam Devries 2004-5-18 10411 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  RSA594983  Bromus rubens Mark Hoefs, R. F. Thorne 1992-4-1 1735 Los Angeles Santa Catalina Island: past isthmus, just before Emerald Bay. 15 Comment
  RSA654640  Bromus rubens Fred Brooks, P. Sobkowiak 1988-4-23 7 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  RSA660438  Bromus rubens Orlando Mistretta 1992-6-17 577 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  UCR123807  Bromus rubens Steven R. Hill, K. Kramer 2001-4-22 33348 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR182743  Bromus rubens R. G. Swinney 1998-4-11 5936 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  RSA628773  Bromus stamineus Gary D. Wallace 1979-4-19 1698 Los Angeles Transverse Ranges, Liebre Mtns region, Butte Valley Wildlife Sanctuary. Comment
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Aug 10 2018
  SEINET3923427  Bromus sterilis Louis C. Wheeler 1967-7-6 9929 Los Angeles San GABRIEL MOUNTAINS: San Dimas Canyon.; 0 488 Comment
  RSA0019996  Bromus tectorum Albert J. Perkins 1923-5-30 s.n. Los Angeles Colby Ranch, near grape arbor Comment
  RSA0019999  Bromus tectorum Harold Mosher 1948-4-4 s.n. Los Angeles Along the road north of Palmdale. Four miles north of Palmdale. 609 Comment
  CATA3187  Caesalpinia spinosa Julia Parish, Margie Pfeffer 2016-8-19 004 Los Angeles Santa Catalina Island: North side of road east of Avalon dump 45 Comment
  RSA251444  Callitriche marginata R. F. Thorne 1966-4-17 36088 Los Angeles San Clemente Island, small reservoir between Boulder & Horton, NE side of island. 488 Comment
  RSA352850  Calocedrus decurrens B. C. Templeton 1932-5-31 4897 Los Angeles Big Pines Park; San Gabriel Mts. 2088 Comment
  RSA585780  Calocedrus decurrens Orlando Mistretta 1995-7-11 1875 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  UC1348967  Calochortus catalinae Robert F. Thorne 1966-4-4 35780 Los Angeles ne of Isthmus Cove; Santa Catalina Island, Blue Cavern Point 30 Comment
  UC440432  Calochortus catalinae Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Los Flores Canyon Santa Monica Mountains Comment
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Feb 1 2011
  UCR126578  Calochortus clavatus A. C. Sanders 2003-4-17 26065 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  RSA0020301  Calochortus clavatus var. gracilis Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5093 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA757997  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
  JEPS17762  Calochortus invenustus Frank W. Peirson 1918-6-17 9 Los Angeles Head of Rock Creek San Gabriel Mountains 1981 Comment
  RSA377392  Calochortus kennedyi Anstruther Davidson 1893-5-12 s.n. Los Angeles Harold. Comment
  RSA134733  Calochortus plummerae Percy C. Everett, E. K. Balls 1959-6-29 23873 Los Angeles Stokes Canyon, Santa Monica Mountains. 152 Comment
  CAS-BOT-BC496762  Calochortus venustus J. Evans 1930-5-17 5514 Los Angeles North of Pico canyon near Newhall 365 Comment
  RSA778573  Calochortus weedii var. intermedius David E. Bramlet, A. Rudalevige 2010-6-21 4722 Los Angeles Chino-Puente Hills region: Brea Canyon, adjacent to T line towers 396 m W of Brea Canyon Road and 396 m W of Brea Ridge Mtr. Way 255 Comment
  SEINET3146181  Calycadenia tenella G. B. Grant 1904-5-24 125 Los Angeles Pasadena; S CA Comment
  CAS-BOT-BC283320  Calycoseris parryi R. F. Thorne 1973-5-11 43478 Los Angeles San Gabriel Mountains, Mojave Desert slope: 0.25-0.5 N of Bob's Gap, N slope of Holcomb Ridge, 2.5 miles due S of Llano 1158 Comment
  UC879426  Calystegia macrostegia J. Q. A. Fritchey 1890-3-11 85 Los Angeles hill above Los Angeles; hills above Los Angeles Comment
  RSA276037  Calystegia macrostegia subsp. intermedia Jack Delaini 1974-5-9 177 Los Angeles Lodi Canyon. throughout canyon sprawling over small shrubs 746 Comment
  RSA615459  Calystegia occidentalis subsp. fulcrata L. C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  IRVC28598  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-19 25200 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 282 Comment
  RSA524886  Calystegia peirsonii Robert A. Schlising 1972-5-28 3037 Los Angeles San Gabriel Mountains, west of Palmdale; along Bouquet Canyon Road, 3.9 miles west of jct with Elizabeth Lake Road (N2). Comment
  UCR125485  Calystegia peirsonii A. C. Sanders, Mark Elvin 2003-4-14 25967 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
  RSA0070194  Camissonia campestris subsp. campestris LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6947 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
  SDSU1157  Camissonia campestris subsp. campestris D. F. Howe 1947-5-6 1534 Los Angeles North face of San Gabriel Mts. Comment
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Dec 29 2015
  UCR217711  Camissonia cheiranthifolia A. C. Sanders, Dan S. Cooper 2010-8-5 38546 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA454048  Camissonia cheiranthifolia subsp. suffruticosa L. E. Hoffman 1931-7-18 s.n. Los Angeles Hermosa Beach. Comment
  RSA609614  Camissonia cheiranthifolia subsp. suffruticosa Louis C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 61 Comment
  RSA678436  Camissonia guadalupensis subsp. clementina Mark A. Elvin, Orlando Mistretta 1996-3-24 122 Los Angeles San Clemente Island. Comment
  UCR217135  Camissonia hirtella R. G. Swinney 2009-3-20 10139 Los Angeles San Gabriel Mtns. Foothills, Azusa/Irwindale, mouth of San Gabriel River Canyon, 100-400 m north of I-210 Fwy, 300 m east of the river channel 177 Comment
  RSA186754  Camissonia hirtella Peter H. Raven 1962-5-1 17506 Los Angeles Mulholland Highway 2.6 miles east of Seminole Hot Springs, Santa Monica Mts. 549 Comment
  UCR250207  Camissonia pallida A. C. Sanders, Plant Tax. Class 2014-4-12 41013 Los Angeles Mojave Desert, NW of Pinon Hills, 233rd St. East, 0.2 km south of Hwy 138 1095 Comment
  RSA449231  Camissonia pallida subsp. pallida Anstruther Davidson 1906-6-1 1747 Los Angeles Rock Creek Comment
  SEINET2054747  Camissonia pusilla C. J. Helmkamp, E. A. Helmkamp 1998-5-21 4041 Los Angeles Western Mojave Desert; Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1097 Comment
  RSA507528  Camissonia strigulosa Louis C. Wheeler 1967-5-18 9644 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA579466  Camissonia strigulosa Tim S. Ross, Steve D. Boyd 1994-5-10 7741 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
  UC56463  Camissonia strigulosa H. M. Hall May 1 1902-May 3 1902 3051 Los Angeles vicinity of Elizabeth Lake Antelope Valley 838 Comment
  UCR271577  Camissonia strigulosa R. G. Swinney 2011-6-23 15288 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR277217  Camissoniopsis R. G. Swinney 2010-5-25 12948 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  SFV18636  Camissoniopsis bistorta A. E. Tibbels 1999-5-1 30 Los Angeles San Fernando Valley Big Tujunga Wash at edge of creek. West of Wescott Avenue and south of Grove Street. 390 Comment
  CAS-BOT-BC160433  Camissoniopsis cheiranthifolia subsp. suffruticosa Le Roy Abrams 1899-2-1 296 Los Angeles Ballona Harbor Comment
  SEINET5344153  Camissoniopsis cheiranthifolia subsp. suffruticosa M. Walker 1963-4-28 s.n. Los Angeles La Ballona Creek 3 Comment
  SDSU3384  Camissoniopsis micrantha H. Wedberg 1958-3-22 171 Los Angeles At Point Dume. Comment
  RSA658633  Capsella bursa-pastoris R. W. Hufstader 1971-3-22 36 Los Angeles Collected at Puddingstone Resevoir. Off San Dimas Rd. at entrance to resevoir. 213 Comment
  UCD114555  Cardamine oligosperma W. F. Moore 1971-8-6 LASCA 974 Los Angeles residential property in Claremont. Comment
  JEPS53329  Cardaria chalepensis Ethelbert Johnson 1931-5-29 Los Angeles Santa Ana Comment
  LA35885  Cardaria draba Peter H. Raven; Henry J. Thompson 1960-4-12 15030 Los Angeles 289 Comment
  UC830162  Carex I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4612 Los Angeles s end Boquet Canyon 450 Comment
  RSA594654  Carex alma L. C. Wheeler 1967-7-30 10266 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground 1006 Comment
  UCR210136  Carex alma R. G. Swinney 2008-8-13 9394 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  UCR259255  Carex alma R. G. Swinney 2010-6-4 12998 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
  RSA191097  Carex fracta Robert F. Thorne, M. Z. Thorne 1967-7-19 37189 Los Angeles San Gabriel Mountains. 1981 Comment
  RSA191154  Carex fracta Robert F. Thorne, M. Z. Thorne 1967-7-19 37195 Los Angeles San Gabriel Mountains. 1981 Comment
  UC1971496  Carex globosa Louis C. Wheeler 1968-6-1 s.n. Los Angeles SAN GABRIEL MTNS.: Chilao Creek head waters. Comment
  CAS-BOT-BC119736  Carex nebrascensis Grace Cole Fleischman 1948-8-8 s.n. Los Angeles 1996 Monte Vista St. Pasadena. Comment
  UC212795  Carex phaeocephala I. Johnston 1917-7-4 1399 Los Angeles summit Baldy 3048 Comment
  UCR129854  Carex praegracilis F. R. Fosberg 1930-6-26 S- 3032 Los Angeles Lower Ballona Creek 8 Comment
  UCR178185  Carex triquetra LeRoy Gross, Valerie Soza 2003-5-15 903 Los Angeles Transverse Ranges; Verdugo Mountains region, Northwest side of mtns, along ridgetop N of La Tuna Canyon Road and south of McDonald Creek, east of Elben Avenue and west of small canyon at the end of Elben Place 518 Comment
  UCD96847  Carpobrotus edulis Kenneth A. Wilson 1961-3-12 1002 Los Angeles Zuma Beach. Comment
  RSA425862  Castilleja affinis M. B. Dunkle 1929-2-10 s.n. Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  UCR222738  Castilleja angustifolia R. G. Swinney 2009-4-29 10607 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  RSA595466  Castilleja applegatei subsp. martinii Louis C. Wheeler 1970-3-28 s.n. Los Angeles San Gabriel Mountains. Bootleggers Canyon. 884 Comment
  HSC90853  Castilleja applegatei subsp. martinii L. R. Heckard 1971-5-25 2584 Los Angeles Just above canyon bridge along Rd. (N3) over San Gabriel Mts. to Palmdale 1341 Comment
  OBI9671  Castilleja applegatei subsp. martinii Ruth C. Wilson 1961-4-11 s.n. Los Angeles Millard Cyn, San Gabriel Mt 610 Comment
  RSA425902  Castilleja applegatei subsp. martinii Robert Gustafson 1985-5-8 3112 Los Angeles San Gabriel Mts., Angeles National Forest, Sawpit Canyon, about 1 1/2 miles above reservoir. Comment
  SD215664  Castilleja exserta Steve Boyd, Lauren Raz 1997-3-14 9178 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg 1213 Comment
  JEPS86561  Castilleja foliolosa Roy E. Buck 1988-5-25 905 Los Angeles 0.3 rd mi n Three Points (e side of Three Points road, 0.6 air km ne of confluence of Oakdale Canyon and Pratt Canyon drainages, 26 air km n of Castaic) 1036 Comment
  POM71679  Castilleja foliolosa Philip A. Munz, M. Hill 1925-3-16 9355 Los Angeles Cobal Canyon, north of Claremont. 518 Comment
  UC1063022  Castilleja foliolosa Jerome S. Horton 1936-4-20 293 Los Angeles San Dimas Canyon Wash; Pomona Quad. 365 Comment
  UC1348884  Castilleja foliolosa Robert F. Thorne and P. Everett 1965-6-23 35000 Los Angeles nw of Avalon (mouth of Hamilton Canyon); Santa Catalina Island, Hamilton Canyon 7 Comment
  UC885189  Castilleja foliolosa I. W. Clokey and B. C. Templeton 1930-4-8 4721 Los Angeles San Francisquito Canyon 800 Comment
  SFV11228  Castilleja foliolosa D. K. Shayne 1966-3-9 101 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  UC557802  Castilleja grisea Nell Murbarger Apr 1936 132 Los Angeles s and e sides San Clemente Island Comment
  UC131115  Castilleja plagiotoma Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  UCR182273  Castilleja plagiotoma R. G. Swinney 1998-4-14 6023 Los Angeles San Gabriel Mtns./Southern Mojave Desert, mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream 1476 Comment
  UC1012095  Castilleja subinclusa subsp. subinclusa Francis W. Pennell 1940-4-18 25136 Los Angeles e of Gorman (Route 99) 1127 Comment
  RSA0086398  Caulanthus amplexicaulis var. amplexicaulis Wayne E. Sawyer 1981-6-11 12 Los Angeles San Gabriel Mtns., Angeles National Forest: CA Hwy 2 between Dawson Saddle and junction of CA Highway 39, 1.6 miles from Dawson Saddle 2302 Comment
  CAS-BOT-BC47913  Ceanothus arboreus Geo. B. Grant 1898-2-20 1588 Los Angeles Dry Hills, Avalon Comment
  SBBG78566  Ceanothus arboreus W. A. Wright 1931-2-19 Los Angeles Bannings Cyn, near school Comment
  UC449688  Ceanothus arboreus I. J. Condit 1908-6-29 40 Los Angeles Cataline Island Comment
  RSA398871  Ceanothus crassifolius Robert M. Perkins 1935-3-24 26 Los Angeles San Antonio Canyon. [San Gabriel Mountains] Comment
  RSA651870  Ceanothus crassifolius Jeff Weiler 1981-4-26 31 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Approx. .25 mi. N of trailhead. Comment
  RSA674636  Ceanothus crassifolius Scott D. White, Kent Hughes 2000-5-16 7863 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  SEINET3162179  Ceanothus crassifolius G. B. Grant 1901-1 147 Los Angeles Mt. Lowe, S. Cal. Comment
  UC1071057  Ceanothus crassifolius P. L. Johannsen 1934-1-3 213 Los Angeles 2 mi w and 1 mi s Calabasas Peak; Calabasas quad 335 Comment
  UCR3982  Ceanothus crassifolius Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  IRVC29607  Ceanothus cuneatus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26198 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  JEPS97658  Ceanothus greggii var. vestitus Annetta M. Carter 1951-5-21 3059 Los Angeles Fork of Little Rock Creek 1.3 mi. S of Little Cedars Campground. San Gabriel Mtns. Comment
  POM84581  Ceanothus integerrimus George B. Grant 1904-5-17 149 Los Angeles Mt. Wilson. 1524 Comment
  RSA549131  Ceanothus integerrimus Tim S. Ross, Peter Fritsch 1990-6-20 3685 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  SD65480  Ceanothus integerrimus var. puberulus Reid Moran 1967-7-22 14098 Los Angeles Canyon S of Chilao, S Gabriel Mtns 1550 Comment
  CAS-BOT-BC50552  Ceanothus leucodermis Timothy S. Ross; Steve Boyd 1994-5-10 7695 Los Angeles Liebre Mts. - Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs 890 Comment
  CHSC25948  Ceanothus leucodermis James Henrickson 1972-3-19 7182 Los Angeles Ca 7 air miles north of Sierra Madre along State Hwy 2 in San Gabriel Mts. 1402 Comment
  RSA399752  Ceanothus leucodermis F. R. Fosberg 1931-3-1 S- 4229 Los Angeles Topanga Canyon, Wildwood, Santa Monica Mountains. 220 Comment
  UC870537  Ceanothus leucodermis Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mts. Comment
  UC398774  Ceanothus megacarpus var. insularis Katharine Brandegee 1916-1 Los Angeles Santa Catalina Island Comment
  CHSC5097  Ceanothus palmeri M. MacArthur 1967-7-16 82 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  CAS-BOT-BC63309  Ceanothus spinosus John Thomas Howell 1928-3-2 3368 Los Angeles Vermont Canyon, Griffith Park. Comment
  RSA1117  Ceanothus spinosus B. D. Stark, H. E. McMinn 1929-8-25 1403 Los Angeles Seminole Hot Spring Comment
  UC870656  Ceanothus spinosus Ira W. Clokey, B. Templeton Mar. 1929 4438 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 76 Comment
  CAS-BOT-BC277005  Centaurea diluta E. M. Becker 1943-8-30 s.n. Los Angeles Near Friendly Hills between Los Angeles and Fullerton Comment
  RSA656868  Centaurea melitensis Joseph M. Keefe 2001-1-24 31011 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCR126868  Centaurea melitensis A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26139 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
  UC61538  Centaurium venustum Ernest Braunton Jun 1903 892 Los Angeles Glendale to Burbank Comment
  RSA656178  Centaurium venustum Joseph M. Keefe 1978-6-4 23330 Los Angeles Verdugo Mountains: 100 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 287 Comment
  SEINET6085102  Centaurium venustum Unknown 1946-5-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA509617  Centranthus ruber Louis C. Wheeler 1966-10-27 9091 Los Angeles N-facing cliff 200 yards inside mouth of San Gabriel Canyon. Comment
  RSA583059  Centranthus ruber Tim S. Ross, Janet Takara, S. Otte 1993-4-25 6975 Los Angeles Santa Catalina Island: E of Avalon along Mount Ada Road, and ca 345 m S of Abalone Point. 122 Comment
  RSA0008265  Centromadia pungens subsp. pungens Anstruther Davidson 1776 Los Angeles Santa Monica. Comment
  CAS-BOT-BC179819  Centrostegia thurberi David D. Keck; Palmer Stockwell 1935-5-16 3306 Los Angeles 1.5 mi S of Palmdale Comment
  UCR276949  Centrostegia thurberi R. G. Swinney 2010-5-21 12858 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
  RSA785584  Cerastium glomeratum Doris Bowers 1954-04 169 Los Angeles LaVerne College 305 Comment
  RSA126734  Cercocarpus betuloides Peter H. Raven, Henry J. Thompson 1959-4-3 13915 Los Angeles North slope near summit of Saddle Peak. 838 Comment
  SEINET264531  Cercocarpus betuloides Smith, Stoddart 1939-4-12 Los Angeles San Dimas Experimental Forest ; unspecified Comment
  UCR223584  Cercocarpus betuloides R. G. Swinney 2009-6-17 11220 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  CAS-BOT-BC142141  Cercocarpus betuloides var. betuloides Marian L. Campbell 1921-3-29 129 Los Angeles On road to Santa Barbara. Comment
  CAS-BOT-BC137242  Cercocarpus betuloides var. blancheae E. R. Blakley 1962-10-3 5367 Los Angeles Between Wrigley Reservoir and the SE fork of Gallagher Canyon, Santa Catalina Island 381 Comment
  SBBG78166  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-4-6 4798 Los Angeles Cape Cyn Comment
  SEINET4689910  Cercocarpus minutiflorus Leila M. Shultz 1980-4-28 4031 Los Angeles Rancho Santa Ana Botanical Garden, San Gabriel Mountains Comment
  HSC24842  Cercocarpus montanus var. glaber James Henrickson 1972-3-19 7183 Los Angeles 7 air mi. N of Sierra Madre along Hwy. 2 in San Gabriel Mtns. 1402 Comment
  UCR108667  Cestrum nocturnum L. C. Wheeler 1936-2-23 4079 Los Angeles San Gabriel: 217 S. Muscatel Avenue 107 Comment
  POM351646  Chaenactis artemisiifolia B. C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 300 Comment
  POM351651  Chaenactis artemisiifolia L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  RSA724752  Chaenactis artemisiifolia K. Dobry 1991-5-22 D- 640 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UCD150980  Chaenactis glabriuscula D. S. Park 2010-4-29 66 Los Angeles Wildwood Canyon, found along trail and hillside. 429 Comment
  UCR101685  Chaenactis glabriuscula B. G. Pitzer 1998-5-23 3738 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  POM156355  Chaenactis glabriuscula var. glabriuscula L. R. Abrams 1902-6-9 2503 Los Angeles Playa del Rey. Comment
  SBBG120151  Chaenactis glabriuscula var. glabriuscula R. Burgess, P. Munro 1999-4-17 3255 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk above second narrows 381 Comment
  UC472228  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1906-6-17 249 .6916 Los Angeles Mt. Wilson Comment
  UCR207704  Chaenactis glabriuscula var. glabriuscula Justin M. Wood 2009-4-10 474 Los Angeles San Gabriel Mountains, foothills, city of San Dimas, San Dimas Wash just above the Puddingstone Diversion Dam and adjacent to the golf course 366 Comment
  SBBG112160  Chaenactis santolinoides C. Bornstein, E. Collins 1997-4-14 Los Angeles Liebre-Sawmill Mtn Rd [USFS 7N23], Liebre Mtns 1348 Comment
  UCR18149  Chaenactis santolinoides Jan Moore 1966-5-28 s.n. Los Angeles San Gabriel Mountains, Table Mountain Campground, above Big Pines Ranger Station 2195 Comment
  RSA0001020  Chaenactis santolinoides I. M. Johnston 1917-6-20 1489 Los Angeles Baldy Lookout of USFS. 2134 Comment
  RSA716365  Chaenactis xantiana Andrea Edwards, Pam De Vries 2006-4-11 92 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SEINET11860938  Chaenactis xantiana H. M. Hall 1902-1 3073 Los Angeles Antelope Valley, vicinity of Elizabeth Lake 1067 Comment
  RSA435973  Chamaesyce albomarginata G. R. Johnstone 1928-4-28 s.n. Los Angeles Two mi. E. of Palmdale. Comment
  SBBG67718  Chamaesyce albomarginata unknown 1928-8-26 Los Angeles Chatsworth Comment
  POM86478  Chamaesyce maculata George B. Grant 1906-08 s.n. Los Angeles Pasadena Comment
  RSA612284  Chamaesyce melanadenia L. C. Wheeler 1934-5-14 2588 Los Angeles South chaparral slope. Meadow near mouth San Dimas Canyon. 442 Comment
  CDA35247  Chamaesyce melanadenia G. C. Fleischman 1942-6-18 Los Angeles Foothills of San Gabriel Mountains, near Sierra Madre. 0 Comment
  RSA226153  Chamaesyce melanadenia Gary D. Cromwell, David W. Wheat 1971-5-14 627 Los Angeles Mystic Canyon, 2 mi NE of Glendora,south facing slope to west of canyon mouth, about 150 m from road 427 Comment
  RSA432397  Chamaesyce melanadenia Elbert Benjamine 1929-1-13 8426 Los Angeles Sierra Madre. Comment
  SBBG67775  Chamaesyce serpillifolia subsp. serpillifolia unknown 1928-8-26 Los Angeles Pasadena Comment
  CDA2728  Chasmanthe floribunda Michael O Brien 2003-4-13 MOB 22 -03 Los Angeles Topanga State Park near the headquarters compound. 0 Comment
  CAS-BOT-BC70011  Cheilanthes covillei John Thomas Howell 1928-2-11 3344 Los Angeles Haines Canyon, San Gabriel Mts. Comment
  RSA527586  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4413 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA597575  Chenopodium album L. C. Wheeler 1970-5-22 s.n. Los Angeles Los Angeles. Vignes St. between Ramirez and Macy. Comment
  RSA423284  Chenopodium album Gertrude Dunn 1930-8-9 s.n. Los Angeles Whittier. Comment
  RSA594676  Chenopodium album L. C. Wheeler 1970-8-2 s.n. Los Angeles San Gabriel Mountains. Henninger Flats. 792 Comment
  RSA423306  Chenopodium ambrosioides E. Crow 1928-4-11 236 Los Angeles Puddingstone Canyon Hills, S of San Dimas. Comment
  RSA478445  Chenopodium berlandieri var. sinuatum F. R. Fosberg 1931-7-12 S 5388 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  RSA5209  Chenopodium berlandieri var. sinuatum C. B. Wolf 1932-9-13 4064 Los Angeles Bryant Ranch. 250 ft. south of north boundary in SE 1/4 section 27., (about 460 ft. east and 250 ft. south of NW corner of SE 1/4 section 27. T4S, R12W). 5 Comment
  RSA167810  Chenopodium californicum R. F. Thorne, P. C. Everett 1964-2-7 33460 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  UCR223107  Chenopodium californicum R. G. Swinney 2009-5-13 10796 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA608641  Chenopodium californicum L. C. Wheeler 1931-3-7 s.n. Los Angeles La Verne. Comment
  UC557815  Chenopodium californicum Nell Murbarger 1936-3-1 109 Los Angeles San Clemente Island; mesa top and e side of island Comment
  UCR106312  Chenopodium incognitum L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  SBBG20554  Chenopodium murale E. R. Blakley 1963-12-7 6318 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  SBBG37787  Chenopodium murale M. B. Dunkle 1939-4-3 7222 Los Angeles Chenetti stream gorge Comment
  RSA748059  Chenopodium pratericola R. G. Swinney 2005-7-21 8329 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA64805  Chenopodium pumilio L. C. Wheeler 1932-7-2 894 Los Angeles San Dimas Canyon. 457 Comment
  SFV21449  Chlorogalum pomeridianum var. pomeridianum L. Gross, V. Soza, S. Tessel 2001-6-4 405 Los Angeles Verdugo Mountains Northwest side of mountains. Verdugo Crestiline Drive (fire road) just north of the 210 Freeway. Enter on the west side at Topley Lane off of Newhome Ave. in Sunland. Cleared area just north of rife road. Cleared for fire safety (as close to homes). 427 Comment
  CAS-BOT-BC520400  Chondrilla juncea R. E. Riefner, Jr. 2015-7-19 15 -206 Los Angeles Cit of Los Angeles, Elysian Valley, E of Riverside Dr., Los Angeles River Trail, Blake Ave. btween Oros St. and Fernleaf Dr. 93 Comment
  RSA726192  Chorizanthe parryi Mark A. Elvin 2003-6-19 2948 Los Angeles Western Tansverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch 366 Comment
  CAS-BOT-BC252761  Chorizanthe parryi var. fernandina A. C. Sanders; Mark Elvin 2003-8-7 271554 Los Angeles Newhall Ranch, Long (Larres) Canyon a tributary of the Santa Clara River NE of Potrero Canyon, Val Verde 7.5' Q., NE end of Santa Susana Mtns. 350 Comment
  SBBG62230  Chorizanthe parryi var. fernandina R. Hoffmann 1929-5-21 Los Angeles Elizabeth Lake Comment
  UCD170167  Chorizanthe parryi var. fernandina Mark A. Elvin; Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Halsey Canyon and Castaic Creek, N of Hwy 126. 319 Comment
  LA91492  Chorizanthe staticoides Bruce Douglas Clayton; Greg Shaw 1972-4-15 93 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak 586 Comment
  POM175360  Chorizanthe staticoides E. Crow 1930-6-29 s.n. Los Angeles San Gabriel Mts. Trail between Camp Coldbrook and Pine Flats. Comment
  RSA0060466  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA647966  Chorizanthe staticoides Michelle Manolovitz, Brian Manolovitz 1992-5-19 32 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 0.5 miles northeast of park office. Comment
  RSA65075  Chorizanthe staticoides Raymond J. Dobbs 1924-6-30 5388 Los Angeles Near Switzers Camp, San Gabriel Mountains. 915 Comment
  UCR127011  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26939 Los Angeles Santa Susana Mountains, along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  UCR255836  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  CAS-BOT-BC460914  Chorizanthe staticoides Marcus E. Jones 1882-5-1 s.n. Los Angeles Pasadena Comment
  UC1537267  Chorizanthe xanti Gordon H. True Jr. 1935-5-15 294 Los Angeles 4 mi s Palmdale (Head Minto Canyon); , s of Palmdale 914 Comment
  POM11493  Chrysothamnus nauseosus subsp. bernardinus P. A. Munz 1921-6-18 4589 Los Angeles San Antonio Mountains, head of Swartout Valley. 2072 Comment
  SEINET4082246  Cinnamomum camphora O. M. Clark 1936-1 7522 Los Angeles Orchard Avenue, Los Angeles. Comment
  CATA3442  Cirsium occidentale var. californicum Benjamin J. Dion, Stuart Olshevski 2017-5-3 023 Los Angeles Santa Catalina Island: Channel Side; Empire Landing, between Quarry Haul Rd and Empire Landing Rd 334 Comment
  JEPS59145  Cirsium occidentale var. californicum Frank W. Peirson 1918-6-1 248 Los Angeles San Gabriel Mts., Eaton Canyon 640 Comment
  UCSB7234  Cirsium occidentale var. californicum Wedberg, H. 1958-4-26 Los Angeles Four miles west of fire station west of Beverly Glen on Mulholland Drive, Santa Monica Mts. Comment
  POM352181  Cirsium occidentale var. occidentale F. R. Fosberg 1931-3-27 4401 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 40 Comment
  RSA138270  Cirsium occidentale var. occidentale Percy C. Everett, E. K. Balls 1960-6-10 24163 Los Angeles Claremont. 366 Comment
  RSA593489  Cirsium occidentale var. venustum Steve Boyd, Orlando Mistretta, Valerie L. Sosa 1996-6-12 8841 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  UC1922499  Cirsium occidentale var. venustum Scott D. White, A. Warniment 2005-9-9 11220 Los Angeles Tehachapi Mtns.: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. Comment
  RSA587191  Cirsium vulgare Scott D. White 1995-12-5 3769 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  IRVC28689  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  SBBG20576  Cistanthe maritima E. R. Blakley 1963-12-7 6317 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  RSA653884  Cistanthe monandra Valerie L. Soza, Steve Boyd 2000-4-26 794 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  RSA643964  Cistanthe monosperma V. W. Steinmann 1996-5-17 916 Los Angeles San Gabriel Mountains, ca. 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail. 2850 Comment
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Nov 8 2010
  RSA162764  Clarkia bottae John Olmsted 1958-4-26 117 Los Angeles Oak woodland with gradual Southward drainage along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern boundary of Los Angeles County 366 Comment
  RSA422719  Clarkia bottae Anstruther Davidson 1907-01 s.n. Los Angeles Canyon [Edgemont?] Hollywood. Comment
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Nov 12 2014
  RSA453459  Clarkia bottae Bonnie C. Templeton 1930-5-27 1464 Los Angeles Higgins Canyon, north of Beverly Hillls. 200 Comment
  RSA606174  Clarkia bottae Leota Brice 1930-6-2 s.n. Los Angeles San Gabriel Canyon. Comment
  POM3016  Clarkia dudleyana D. L. Crawford 1915-06 s.n. Los Angeles San Antonio Canyon, Claremont. 1220 Comment
  RSA654210  Clarkia dudleyana Fred Brooks 1988-4-16 8 Los Angeles San Antonio Canyon, above lower ranger station at base of smaller canyon leading off to west. Comment
  UC1211093  Clarkia epilobioides Huron H. Smith 1912-5-31 5065 Los Angeles Pebble Beach Road Santa Catalina Island 30 Comment
  SBBG60316  Clarkia purpurea subsp. purpurea R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  RSA654225  Clarkia purpurea subsp. quadrivulnera Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 943 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 655 Comment
  UC1181827  Clarkia purpurea subsp. viminea H. Lewis and M. Lewis 1946-7-14 29 Los Angeles on corner of Sepulveda Blvd. and North Sepulveda Way; Santa Monica Mts. Comment
  POM184686  Clarkia rhomboidea Joseph A. Ewan 1932-6-17 7360 Los Angeles San Gabriel Mountains. Upper Arroyo Seco. Near Waterman Ranger District. 1006 Comment
  RSA448334  Clarkia rhomboidea Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  JEPS43822  Clarkia rhomboidea Frank W. Peirson 1920-6-10 2161 Los Angeles trail by Mt. Markham; San Gabriel Mountains 1645 Comment
  CAS-BOT-BC165503  Clarkia unguiculata L. R. Abrams 1901-6-4 1711 Los Angeles Los Tunas [Canon] Canyon, S. Monica Mts. Comment
  UCSB7368  Clarkia unguiculata Haller, Norman 1953-5-17 Los Angeles 1/2 mile North of Topanga Shoping Center, approx 1 mile up Greenleaf Canyon, Topanga Canyon, Santa Monica Mts. Comment
  RSA588612  Clarkia xantiana subsp. parviflora Orlando Mistretta 1994-5-23 1236 Los Angeles Little Rock Creek, drainage E of Creek and N of Forest Rd. 4N15. 1311 Comment
  UCR186995  Claytonia parviflora A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31960 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
  UCR190733  Claytonia parviflora R. G. Swinney 2001-6-2 7961 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  UCR205930  Claytonia parviflora R. G. Swinney 2008-5-5 8772 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  CATA3014  Claytonia parviflora subsp. parviflora Amy Catalano 2016-2-25 020 Los Angeles Santa Catalina Island: Above riparian area along Ben Weston Trail 3 Comment
  RSA590866  Claytonia parviflora subsp. parviflora Orlando Mistretta 1994-1 997 Los Angeles San Gabriel Mountains: Little Rock creek. slopes E of Little Rock Reservoir. 976 Comment
  RSA656486  Claytonia parviflora subsp. parviflora Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 719 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 518 Comment
  UCD168216  Claytonia parviflora subsp. parviflora J. W. Barry Apr1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  RSA729824  Claytonia parviflora subsp. viridis R. G. Swinney 1998-7-2 6262 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.8 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  CAS-BOT-BC439915  Claytonia perfoliata subsp. intermontana Raymond Lindholm 1961-3-25 s.n. Los Angeles Little Rock Canyon. San Gabriel Mts. Comment
  CAS-BOT-BC439917  Claytonia perfoliata subsp. intermontana Alice Eastwood 1919-5-29 8974 Los Angeles San Gabriel Canyon Comment
  RSA678207  Claytonia perfoliata subsp. mexicana V. Soza, LeRoy Gross 2001-4-18 1133 -b Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 793 Comment
  SBBG12318  Claytonia perfoliata subsp. mexicana P. H. Raven 1962-4-10 17218 Los Angeles summit ridge, ca. 2 mi N of Thirst 487 Comment
  SEINET181922 Image available Claytonia perfoliata subsp. mexicana Ira W. Clokey, B. Templeton March 1929 4525 Los Angeles Santa Monica Mt.; Mandeville Canyon. 275 Comment
  RSA466717  Claytonia perfoliata subsp. mexicana M. Bisbee 1917-5-27 s.n. Los Angeles Near Verdugo road, Verdugo Canyon Comment
  RSA592850  Claytonia rubra subsp. rubra Steve Boyd, Orlando Mistretta 1996-5-1 8751 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  RSA0022365  Clematis lasiantha Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5119 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA127809  Clematis lasiantha Peter H. Raven, Henry J. Thompson 1959-9-27 s.n. Los Angeles Latigo Canyon Road 1.0 mile east of Newton Canyon. 564 Comment
  RSA386205  Clematis lasiantha Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles San Gabriel Mountains Comment
  RSA188368  Clematis ligusticifolia Robert F. Thorne, Percy C. Everett 1965-6-24 35032 a Los Angeles W slope of Orizaba Mountain, Santa Catalina Island. 244 Comment
  RSA599627  Cleome isomeris Steve Boyd, Lauren Raz 1997-4-16 9521 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  UC511788  Cleomella obtusifolia Frank W. Peirson 1933-5-13 10661 Los Angeles 12 mi s Muroc Comment
  CATA3156  Clinopodium douglasii Amy Catalano 2016-6-14 143 Los Angeles Santa Catalina Island: West of second bridge on Middle Ranch Road 231 Comment
  CLARK-A1528-4186  Collinsia callosa John C. Roos 1937-5-31 2032 Los Angeles San Gabriel Mountains| Big Pines Comment
  POM18262  Collinsia callosa Philip A. Munz 1923-5-26 6803 Los Angeles Big Rock Creek. 1280 Comment
  VVC3082  Collinsia childii Tim Thomas, P. J. MacKay 2015-5-10 6613 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  JEPS13373  Collinsia heterophylla Peter Kamb Ray 1947-5-25 532 Los Angeles near Sunset Ridge Guard Station (Millard Canyon); San Gabriel Mtns, Millard Canyon 670 Comment
  SBBG66394  Collinsia heterophylla R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  RSA80168  Collinsia heterophylla F. W. Peirson 1920-3-28 192 Los Angeles side canyon out of Tujunga Canyon, western end of San Gabriel Mts 473 Comment
  RSA596801  Collinsia heterophylla var. heterophylla Tim S. Ross, J. Mark Porter 1995-5-4 8507 Los Angeles Texas Canyon: ca 2.8 road miles NE of Bouquet Canyon Road. 610 Comment
  UCR206460  Conium maculatum A. C. Sanders, T. B. Salvato 2009-5-20 36851 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
  SBBG95678  Constancea nevinii A. Liston, O. Mistretta, L. Rieseberg 1989-4-28 795 -2 Los Angeles China Cyn, central branch Comment
  NY643143  Convolvulus arvensis H. E. Hasse 07 1888 4148 Los Angeles Comment
  RSA394792  Convolvulus arvensis Robert Gustafson 1980-8-29 1884 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA91007  Conyza canadensis F. W. Peirson 1919-09 273 Los Angeles Weed at 1085 New York Drive, Altadena Comment
  RSA618686  Conyza floribunda LeRoy Gross 1998-10-16 85 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  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
  UCR270847  Cordylanthus rigidus subsp. setiger R. G. Swinney 2011-6-29 15324 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  UC33125  Coreopsis bigelovii Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  RSA0001073  Coreopsis stillmanii var. jonesii Marcus E. Jones 1882-5-2 3361 Los Angeles Pasadena. Comment
  POM356122  Corethrogyne filaginifolia Anstruther Davidson 1920-4-1 s.n. Los Angeles Playa del Rey. Comment
  RSA0085029  Corethrogyne filaginifolia R. G. Swinney 2010-4-30 12447 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA149753  Corethrogyne filaginifolia Wesley O. Griesel 1961-9-23 s.n. Los Angeles Switzers Camp. 762 Comment
  UCR224011  Corethrogyne filaginifolia Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11674 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  POM93103  Corethrogyne filaginifolia var. californica F. W. Peirson 1264 Los Angeles Coldwater Canyon, Santa Monica Mts. Comment
  RSA200011  Cornus stolonifera Wandalee Thompson 1968-9-5 s.n. Los Angeles Shake Canyon about 6 miles west of Lake Hughes. 1524 Comment
  RSA592221  Cotula australis L. C. Wheeler 1967-4-30 9228 Los Angeles Limekiln Canyon 564 Comment
  UC729758  Cotula coronopifolia Carl B. Wolf 1932-5-12 Los Angeles Middle Ranch Canyon Santa Catalina Island (near bridge on Lower Road to Isthmus); , Middle Ranch Canyon 30 Comment
  RSA199170  Crassula aquatica R. F. Thorne, D. Propst 1968-5-29 37696 Los Angeles S end of Hay Press Reservoir. 404 Comment
  CAS-BOT-BC427738  Crassula connata Geo. B. Grant 1905-4-19 1295 Los Angeles Garvanza Comment
  RSA611653  Crassula connata Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10083 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA640018  Crassula connata L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: Ridge between Ham and Sycamore Canyon. 861 Comment
  RSA757342  Crassula connata Orlando Mistretta, Christine Mistretta 2008-4-8 2384 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
  JEPS36473  Crepis acuminata F. W. Peirson 1921-7-17 2507 Los Angeles Prairie Fork <of> San Gabriel River San Gabriel Mts. 2011 Comment
  UC1714526  Crepis acuminata I. M. Johnston 1917-8-22 1650 Los Angeles Pine Mt. Ridge San Antonio Mountains (lee-side of ridge crest) 2499 Comment
  POM155656  Crossosoma californicum M. B. Dunkle 1928-5-13 1942 Los Angeles Santa Catalina Island. Coach road. Talus slope near Wishbone Loop Comment
  POM311760  Crossosoma californicum Karen Hosterman 1957-4-9 989 Los Angeles Catalina [Island]; Isthmus. Comment
  RSA703833  Croton californicus A. C. Sanders, Mark Elvin 2002-6-25 25277 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  CAS-BOT-BC190123  Crypsis schoenoides Peter H. Raven 1961-9-24 16750 Los Angeles On strand of Bouquet Reservoir at east end. 914 Comment
  UCR260388  Cryptantha R. G. Swinney 2010-6-21 13300 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
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Dec 6 2018
  UCR93304  Cryptantha circumscissa T. S. Ross, Steve Boyd 1994-5-25 7881 Los Angeles Liebre Mtns., West Summit of Liebre Mtn, West Summit here construed as the rounded knoll 100 m south of the intersection of sections 3, 4, 9, 10. 1709 Comment
  SBBG92243  Cryptantha clevelandii R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -251 Los Angeles upper Sweetwater Cyn Comment
  UCR230259  Cryptantha clevelandii Dan S. Cooper 2011-4-20 411- 14 A Los Angeles South Coast, El Segundo Dunes, along powerline right-of-way just east of Hyperion Treatment Plant 27 Comment
  RSA526568  Cryptantha clevelandii Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4253 a Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SBBG126912  Cryptantha clokeyi A. Parikh, N. Gale 2011-6-2 3408 Los Angeles 0.1 km S of Avenue M, 0.3 km E of 80th St W; Antelope Valley 865 Comment
  UCR209247  Cryptantha echinella R. G. Swinney 2008-10-8 9526 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  LA94303  Cryptantha intermedia Carl Epling; 1927-5-14 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  LA94306  Cryptantha intermedia Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  SD217244  Cryptantha intermedia Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4363 Los Angeles San Clemente Island; east side of island, near Malo Point, third canyon south of Bryce Canyon. Comment
  UCR125559  Cryptantha intermedia A. C. Sanders 2003-5-22 26821 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  UCR73414  Cryptantha intermedia T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5263 Los Angeles Channel Islands, San Clemente Island, W fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft. north of Rest [1336 ft.] marker & 1800 ft. SE of Malo Knoll [1396']. Upper portion of drainage 305 Comment
  UCSB5595  Cryptantha intermedia B., K. 1944-6-14 Los Angeles Near Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mtns. 822 Comment
  RSA0019761  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2011-7-5 5898 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1254 Comment
  SFV6236  Cryptantha microstachys M. H. Grayum, D. Gillen 1974-5-31 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain. Along main ridge road about 0.5 miles east of junction with Browns Canyon Road. 1052 Comment
  POM9044  Cryptantha microstachys P. A. Munz, R. D. Harwood 1920-5-15 3944 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA0106735  Cryptantha muricata R. G. Swinney 2011-5-19 14768 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
  UC153565  Cryptantha muricata LeRoy Abrams 1902-6-17 2555 Los Angeles Sepulveda canyon Santa Monica Mountains Comment
  UCR190778  Cryptantha muricata R. G. Swinney 1999-7-5 7519 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR205231  Cryptantha muricata R. G. Swinney 2008-5-2 8727 A Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA0079123  Cryptantha muricata var. denticulata R. G. Swinney 1998-8-1 6630 Los Angeles San Gabriel Mtns.: Vincent Gulch, 1.2 mi. SE of Vincent Gap Trail Head, c. 2 mi. east of the summit of Mt. Baden-Powell. 1631 Comment
  RSA0079460  Cryptantha muricata var. jonesii Wesley O. Griesel 1961-5-19 342 Los Angeles State Hwy 2, La Canada Burn, San Gabriel Mts. 609 Comment
  RSA0079588  Cryptantha muricata var. muricata Anstruther Davidson 1920-4-1 s.n. Los Angeles Hollywood. Comment
  JEPS116923  Cryptantha nevadensis David Gowen 2008-4-30 883 Los Angeles Southwest corner of Avenue D (Hwy 138) and 210th St. West. Comment
  UC61122  Cryptantha nevadensis J. Burtt Davy 1896-5-17 2306 Los Angeles Llano Verde Antelope Valley Comment
  RSA0113374  Cryptantha nevadensis var. rigida LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7552 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
  UCR185567  Cryptantha nevadensis var. rigida A. C. Sanders 2007-4-25 33572 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCR189268  Cryptantha nevadensis var. rigida R. G. Swinney 1998-5-16 6078 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR214022  Cryptantha nevadensis var. rigida A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37978 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  UCR280900  Cryptantha nevadensis var. rigida R. G. Swinney 2014-5-1 16327 Los Angeles San Gabriel Mountains/Mojave Desert, NW of Valyermo, extreme west end of Holcomb Ridge, 400-500 meters NE of Valyermo Rd. and 250 m east of Big Rock Wash, 0.3 mile north of jct. of Pallett Creek Rd. and Valyermo Rd. 1110 Comment
  RSA756794  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2008-4-21 2510 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  UCR223039  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-5-6 10676 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  SBBG51643  Cryptantha simulans R. Gustafson, C. Davidson 1977-4-20 428 Los Angeles Devils Punch Bowl County Park, along trail descending to the stream below the campsite 1219 Comment
  UC24744  Cryptantha simulans H. M. Hall 1900-6-1 Los Angeles Swartout Canyon 1828 Comment
  SEINET8513224 Image available Cryptomeria japonica Carl Epling s.n. Los Angeles Los Angeles Comment
  SEINET10966020  Cupressus guadalupensis David B. Dunn 1939-10-25 Dunn UMO 46517 Los Angeles Cultivated tree in a park area near Colorado Blvd. and Orange Dr., Pasadena, Calif. 274 Comment
  RSA609082  Cuscuta californica L. C. Wheeler 1932-8-1 1103 Los Angeles Liveoak Wash near La Verne 396 Comment
  RSA786895  Cuscuta californica Doris Bowers 1957-3-10 739 Los Angeles Rocky Point, LaVerne. 335 Comment
  UCR125159  Cuscuta californica A. C. Sanders, Mark Elvin 2002-6-18 25122 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCD169995  Cuscuta californica var. californica Louis C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mountains. Ridge at head of South Fork Alder Gulch. 2133 Comment
  RSA409765  Cuscuta campestris E. A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Redondo Beach Comment
  POM155619  Cuscuta ceanothi M. L. Bryan 1928-6-2 7 Los Angeles Mandeville Canyon, near Santa Monica. 152 Comment
  RSA550436  Cuscuta subinclusa T. S. Ross 1992-7-10 6647 Los Angeles Big Tujunga Canyon, between Coldwater and Wickiup Canyons; northeasterly slope on S side of creek 970 Comment
  UCR246766  Cuscuta subinclusa Pat Akers 2008-9-10 PDR 1440793 Los Angeles El Monte, on San Gabriel [River], north of Thienes [Ave.] Comment
  RSA0065398  Cycladenia humilis Marion P. Harthill 1971-9-25 596 Los Angeles Mt. Baden Powell, Angeles National Forest. 2834 Comment
  RSA0065373  Cycladenia humilis var. venusta S. Granger 1974-7-21 s.n. Los Angeles Angles Crest Hwy., Lmi. E. Windy Gap. 2133 Comment
  UCR110901  Cyclospermum leptophyllum A. C. Sanders 1998-10-10 22256 Los Angeles Western Transverse Range; Santa Monica Mtns., Sta. Monica College, NW side near Pico Blvd. 46 Comment
  UCR205667  Cyclospermum leptophyllum A. C. Sanders, T. B. Salvato 2009-5-20 36884 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. 69 Comment
  SEINET9037788 Image available Cylindropuntia californica var. parkeri M. A. Baker, Michelle Cloud-Hughes 2015-1 18407 Los Angeles Claremont, 300m south of the SE base of Indian Hill 402 Comment
  RSA586639  Cylindropuntia echinocarpa Orlando Mistretta 1995-6-1 1745 Los Angeles Carr Canyon, near mouth of canyon 945 Comment
  SEINET9037441 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2014-1 18260 Los Angeles San Gabriel Mountains, Soledad Canyon, just south of the Vincent Fire Station, north side of Route 14, 10km SSW of Palmdale, 50km NNE of central Los Angeles, granitic grus and silt 940 Comment
  UCD97936  Cylindropuntia echinocarpa Daryl Koutnik 1978-3-23 127 Los Angeles North of State Hwy. 18 and just west of the Los Angeles/ San Bernardino County line. 960 Comment
  UCR129375  Cylindropuntia echinocarpa Orlando Mistretta 1995-6-1 1745 Los Angeles San Gabriel Mtns., near mouth of Carr Canyon 945 Comment
  CATA875  Cynodon dactylon Mark L. Hoefs, Robert F. Thorne, John W. Tucker, Grady L. Webster 1992-3-30 1686 Los Angeles Santa Catalina Island: Canyon behind Haypress Reservoir 377 Comment
  RSA600208  Cynodon dactylon Steve Boyd, Lauren Raz 1997-5-28 9894 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
  UC1587226  Cynodon dactylon Tim Ross 1991-5-20 5366 Los Angeles upper s branch of the un-named drainage that empties to sea just n Jack Point Lighthouse; n third San Clemente Island 167 Comment
  SBBG127366  Cynosurus echinatus A. Parikh, N. Gale 2011-7-7 3536 Los Angeles Barley Flats, 4.4 km W of Shortcut Station, 1 km N of St Hwy 2; San Gabriel Mtns 1705 Comment
  RSA365054  Cyperus eragrostis Anstruther Davidson 1923-9-1 s.n. Los Angeles Montebello. Comment
  RSA365076  Cyperus eragrostis Anstruther Davidson 1920-08 3389 Los Angeles Bandini. Comment
  RSA651582  Cyperus esculentus Robert Lloyd 1948-4-29 27 Los Angeles 3 1/2 miles east of Covina. 227 Comment
  RSA669344  Cyperus involucratus LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 549 -a Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  UCR258690  Cyperus involucratus R. G. Swinney 2010-3-16 11919 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  JEPS45925  Cyperus involucratus Louis C. Wheeler 1933-10-7 2170 Los Angeles San Gabriel Mountains, Liveoak Canyon Liveoak Canyon; San Gabriel Mountains, Liveoak Canyon 487 Comment
  SD252217  Cyperus odoratus Steven A. Junak 2000-10-12 Sca 1409 Los Angeles Santa Catalina Island. On N side of Thompson Reservoir. 195 Comment
  RSA693734  Cystopteris fragilis M. B. Dunkle 1933-6-17 3603 Los Angeles San Antonio Canyon. 915 Comment
  UC450811  Datisca glomerata Fay A. MacFadden 1931-6-1 2952 Los Angeles Verdugo Hills, Tuna Canyon Tuna Canyon; Verdugo Hills, Tuna Canyon Comment
  POM209997  Datisca glomerata Victor Duran 1933-7-11 3518 Los Angeles Sulphur Spring. 1524 Comment
  JEPS12292  Datura wrightii Elizabeth Day Palmer 1908-8-4 Los Angeles Tolguacha Comment
  RSA652001  Datura wrightii James B. Armstrong 1949-11-21 s.n. Los Angeles 4 mi east of the junction of Badillo Ave and Kendall Way, Covina. 183 Comment
  CATA1258  Daucus pusillus Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2342 Los Angeles Santa Catalina Island: By Empire Landing Road near quarry 124 Comment
  SBBG38677  Daucus pusillus M. B. Dunkle 1939-4-6 7300 Los Angeles Mosquito Harbor Comment
  SBBG52786  Daucus pusillus F. R. Fosberg 1931-4-12 4573 Los Angeles near Jewfish Pt 3 Comment
  SBBG98668  Daucus pusillus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5188 Los Angeles Twin Dams, pond W of the two earthen dams 473 Comment
  SD51858  Deinandra clementina Peter H. Raven 1962-5-7 17575 Los Angeles San Clemente Island;Wilson Cove. 45 Comment
  CAS-BOT-BC299265  Deinandra fasciculata A. C. Sanders; D. Malueg 2001-5-17 24342 Los Angeles Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned, El Monte 7.5' Q., Los Angeles Basin 121 Comment
  UC1870202  Deinandra fasciculata LeRoy Gross 2001-5-27 421 Los Angeles Los Angeles Basin region; Verdugo Mountains, northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek 427 Comment
  RSA394506  Delphinium cardinale Thekla Mohr 1897-05 1789 Los Angeles Eaton Canyon. Comment
  PASA2531  Delphinium parishii Florence Brubaker Los Angeles Mint Canyon Comment
  POM220069  Delphinium parryi F. R. Fosberg 1932-5-5 8120 Los Angeles Canyon above Villa Park, Avalon. 50 Comment
  LA52169  Delphinium patens subsp. hepaticoideum Martha Hilend; 1928-4-18 194 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA45859  Dendromecon rigida Elizabeth Levine; 1949-5-8 sn Los Angeles San Gabriel Mountains, Big Tujunga Wash N of the bridge Comment
  RSA652536  Dendromecon rigida Mike Maculsay 1981-5-2 29 Los Angeles West Fork San Gabriel River, 4 miles west of CA Hwy 39, along north side of fireroad on canyon bottom away from water. Canyon trailhead is 11.5 miles north of intersection of Hwy 39 and Sierra madre Ave. in [Azusa]. 610 Comment
  SFV6162  Dendromecon rigida T. Gordon 1974-3-23 136 Los Angeles Santa Monica Mountains Along Mulholland Drive. Comment
  UCR100069  Dendromecon rigida R. G. Swinney 1969-4-2 318 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Water Canyon Rd. south of Mulholland Hwy Comment
  JEPS53457  Descurainia pinnata subsp. glabra W. L. Jepson 1935-4-17 17043 Los Angeles 6.5 mi w Lancaster 731 Comment
  POM19043  Descurainia pinnata subsp. menziesii P. A. Munz 1923-4-10 6740 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  RSA65819  Descurainia pinnata subsp. menziesii F. W. Peirson 1919-1-25 309 Los Angeles Foot of Arroyo Seco Canyon, Pasadena 381 Comment
  CLARK-A1528-2309  Descurainia sophia Alfred R. Roos 1954-5-4 Los Angeles Encino Comment
  CAS-BOT-BC402262  Dicentra chrysantha Alice Eastwood 1906-5-27 266 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  JEPS9551  Dicentra chrysantha Frank W. Peirson 1918-6-10 56 Los Angeles Mt. Markham; San Gabriel Mountains 1615 Comment
  CAS-BOT-BC499428  Dichelostemma capitatum John H. Thomas 1957-4-27 6702 Los Angeles Santa Monica Mtns. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles nw of Pt. Dume. 15 mi.due west of Santa Monica 152 Comment
  CAS-BOT-BC499437  Dichelostemma capitatum Carl B. Wolf 1932-5-9 3461 Los Angeles small hill; Santa Catalina Island, Jct. of Skyline Drive & Pebbly Beach Road 30 Comment
  RSA640805  Dichelostemma capitatum subsp. capitatum L. C. Wheeler 1931-4-10 s.n. Los Angeles Pomona: Ganesha Heights. Comment
  LA201626  Dichelostemma capitatum subsp. pauciflorum Arthur C. Gibson; 2001-4-20 4233 Los Angeles SANTA MONICA MOUNTAINS, Mountclef Ridge, Wildwood Regional Park, Thousand Oaks, Santa Rosa Trail. Comment
  SBBG15557  Diplacus fremontii W. G. Webb -Apr-1935 Los Angeles adjacent to Sunland Comment
  CAS-BOT-BC150661  Diplacus longiflorus Peter H. Raven; Robert F. Thorne 1964-5-7 19016 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  SD60427  Diplacus puniceus Peter H. Raven 1962-5-20 17774 Los Angeles Santa Catalina Island, Avalon Canyon about 1 mile south of Avalon Comment
  CATA1897  Dissanthelium californicum Jenny L. McCune, Lauren Danner 2007-7-15 Los Angeles Santa Catalina Island: Collected at releve #35 260 Comment
  UCD118802  Dodecatheon clevelandii Gordon Pilone 1961-3-3 107 Los Angeles Padua Hills, 100 yards above Spanish restaurant. San Gabriel Mt. Range. 396 Comment
  POM3629  Dodecatheon clevelandii subsp. clevelandii George B. Grant 1904-03 s.n. Los Angeles Pasadena. Comment
  RSA461503  Dodecatheon clevelandii subsp. clevelandii E. Crow 1929-2-10 150 Los Angeles Foothills north of Glendora Comment
  UCR276722  Draba corrugata R. G. Swinney 2010-9-21 13860 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  CAS-BOT-BC157702  Drymocallis glandulosa var. glandulosa Le Roy Abrams 1899-3-1 254 Los Angeles Santa Monica Mts. Comment
  UC212310  Drymocallis glandulosa var. glandulosa D. L. Crawford 1915-6-30 Los Angeles mts above Claremont (Southern California); Mts. above Claremont 2133 Comment
  SFV109  Dryopteris arguta K. A. Wilson 1961-2-18 858 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Sulfur Hot Springs. Small valley with running stream. Comment
  LA93289  Dudleya cymosa subsp. ovatifolia David S. Verity; 1975-6-1 sn Los Angeles Santa Monica Mountains, Malibu Creek State Park, rock cliff below dam Comment
  RSA716906  Dudleya cymosa subsp. pumila LeRoy Gross 2006-5-30 2466 Los Angeles Along Whitaker Peak Road (6N53). West of Interstate Freeway 5 and the old Golden State Highway, near Whitaker Summit., Survey along road Southwest of the peak from Whitaker Peak Lookout along the northeast side of Whitaker peak to a saddle that divides Ruby Canyon and Canton Canyon drainages, short distance west from Road 6N53B. Between 34.56823N, 118.74161W, and 34.5822N, 118.73220W 1244 Comment
  RSA423461  Dudleya densiflora Anstruther Davidson s.n. Los Angeles Mt. Islip. Comment
  LA200384  Dudleya lanceolata Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1971-6-6 4928 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  RSA608374  Dudleya lanceolata Leota Brice 1930-6-2 s.n. Los Angeles San Gabriel Canyon. Comment
  UC933239  Dudleya pulverulenta subsp. pulverulenta Reid Moran 1941-5-23 871 Los Angeles Topanga Canyon Sierra Santa Monica 91 Comment
  UCR277251  Dysphania botrys R. G. Swinney 2010-9-30 13944 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
  UCD60922  Echinochloa crus-galli G. D. Wallace 1979-8-9 1874 Los Angeles SW corner of Baldwin Ave. and Foothill Blvd., Arcadia. Comment
  CAS-BOT-BC445601  Echinodorus berteroi Dr. A. Davidson 1893-8-13 s.n. Los Angeles Garvanza Comment
  RSA584628  Ehrharta calycina Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6949 Los Angeles Santa Catalina Island: W end of island beyond isthmus, on main east-west ridgetop, ca 615 meters E of Granite Triangulation Point and 620 meters WNW of Oak Triangulation Point. 488 Comment
  SEINET7586405 Image available Eleocharis montevidensis Unknown 1967-10-10 37338 Los Angeles San Gabriel Mts, Angeles National Forest, Jackson Lake, NW end of lake. 1867 Comment
  RSA717301  Eleocharis palustris Scott D. White, Pam DeVries 2006-5-9 11407 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  CAS-BOT-BC113279  Eleocharis parishii Roxana S. Ferris 1918-6-12 923 Los Angeles In marsh around artesian well at Lancaster. Comment
  RSA92127  Eleocharis parishii F. W. Peirson 1930-5-31 8911 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. Comment
  CAS-BOT-BC112160  Eleocharis radicans Ernest Braunton 1902-10-1 725 Los Angeles Oak Knoll Comment
  CAS-BOT-BC221835  Eleusine indica E. Braunton 1907-8-1 s.n. Los Angeles Verduga Hills bordering Tujunga Wash Comment
  UCR272018  Elymus condensatus R. G. Swinney 2011-5-31 14934 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCR221900  Elymus elymoides R. G. Swinney 2009-4-28 10536 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR154197  Elymus glaucus A. C. Sanders, T. B. Salvato 2005-5-24 30249 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
  UCR209426  Elymus glaucus R. G. Swinney 2008-9-13 9455 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  RSA589233  Elymus glaucus subsp. glaucus Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2915 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  POM359949  Elymus multisetus Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  SD252257  Elymus triticoides Steven A. Junak 2000-7-1 Sca 1373 Los Angeles Santa Catalina Island: Cape Canyon. 264 Comment
  RSA0076963  Emmenanthe penduliflora R. G. Swinney 2010-5-19 12829 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
  SFV2955  Emmenanthe penduliflora K. A. Wilson 1961-4-26 1159 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. 610 Comment
  RSA0036298  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6978 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
  UCR270245  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-7-7 15441 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  SBBG12876  Encelia californica E. R. Blakley 1961-9-23 4752 Los Angeles beach bluff between Isthmus Harbor and Fisherman's Cove 3 Comment
  SBBG132334  Encelia californica J. Savage, J. Junak 2003-4-20 ENCA- 1 Los Angeles China Beach rd 106 Comment
  SEINET11177072  Encelia californica M. Licher 2011-2-21 3019 Los Angeles Deervale-Stone Canyon Park, Santa Monica Mountains, 1 mi. east of 405, & north of Mulholland Dr. 320 Comment
  RSA226023  Ephedra nevadensis Robert F. Thorne, Dick Tilforth 1971-6-29 40689 Los Angeles San Gabriel Mts., Angeles National Forest: N slope San Gabriel Mts., ca. 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. 854 Comment
  RSA625161  Ephedra nevadensis L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA728298  Ephedra nevadensis G. D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1953 Los Angeles Fort Tejon Road Comment
  UCR182700  Epilobium R. G. Swinney 1997-8-6 5773 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  UCR154435  Epilobium canum A. C. Sanders, T. B. Salvato 2005-5-24 30256 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
  UC56485  Epilobium canum subsp. canum Ernest Braunton Oct. 1902 717 Los Angeles Griffith Park Comment
  UC64602  Epilobium canum subsp. canum T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  RSA588312  Epilobium ciliatum subsp. ciliatum Mable Emler 1929-7-30 s.n. Los Angeles Topango Canyon. North of Elkhorn Camp. Comment
  RSA588428  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1931-8-10 s.n. Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  RSA679289  Epilobium ciliatum subsp. ciliatum Mark A. Elvin, Anne Marie Ruff 1996-8-1 299 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 3.9 mi from gate at E end of road. Comment
  RSA802061  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Kristie Haydu 2011-7-20 5967 Los Angeles Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road. 902 Comment
  RSA229146  Epilobium ciliatum subsp. glandulosum Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38889 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area, at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway, 1.2 mile SE of Dawson Saddle. 2332 Comment
  SBBG51430  Epipactis gigantea H. G. Grinnell 1923-5-28 Los Angeles Topanga Cyn Comment
  POM168753  Epipactis gigantea C. J. Pox 1903-05 s.n. Los Angeles Near Glendale Comment
  UCR181701  Equisetum hyemale R. G. Swinney 1993-3-5 2008 Los Angeles San Gabriel Mtns., Glendora, Monroe Canyon, 50 yards north of Big Dalton Canyon Rd. at junction of Monroe and Big Dalton Canyons, on west side of stream 576 Comment
  RSA639359B  Equisetum hyemale var. affine L. C. Wheeler 1932-8-2 1109 B Los Angeles N. Fork San Gabriel R., San Gabriel Mts. 1433 Comment
  RSA0051551  Equisetum hyemale var. robustum Tom Golbin 1965-2-18 s.n. Los Angeles Rustic Canyon, Santa Monica Mts. 91 Comment
  CAS-BOT-BC57315  Equisetum laevigatum Ernest Braunton 1902-5-1 s.n. Los Angeles Rivera Comment
  CATA3528  Equisetum laevigatum Peter J. Dixon 2017-7-13 095 Los Angeles Santa Catalina Island: Channel side; Whites Landing Canyon, lower canyon withing floodplain, se fork, in drainage, growing in shade of willow, riparian 0 Comment
  IRVC26951  Equisetum laevigatum A. C. Sanders, Mark Elvin 2003-8-7 27166 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  POM18108  Equisetum laevigatum P. A. Munz 1923-5-25 6815 Los Angeles Big Rock Creek, San Gabriel Mts. Wash among willows. 1280 Comment
  CAS-BOT-BC57314  Equisetum laevigatum Rev. J. C. N? 1904-1-1 s.n. Los Angeles Los Angles River Comment
  SD215306  Equisetum telmateia Louis C Wheeler 1932-6-13 809 Los Angeles Los Angeles River at Los Feliz Blvd 121 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
  UCR108367  Eragrostis cilianensis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  POM258855  Eragrostis mexicana subsp. virescens L. C. Wheeler 1932-9-12 1376 Los Angeles San Antonio Canyon . 1159 Comment
  UCD98131  Eremogone macradenia Susan Hutchinson 1930-6-11 s.n. Los Angeles Mohave Desert, near Lancaster. 731 Comment
  CAS-BOT-BC174384  Eremogone macradenia var. arcuifolia Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10010 Los Angeles Liebre Mountains Region: Western summit of Liebre Mountain, a distinctive, rounded knoll south of head of Cold Canyon 1706 Comment
  SBBG58289  Eriastrum densifolium R. Hoffmann 1928-7-9 Los Angeles between Palmdale and Lancaster Comment
  RSA0104860  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3889 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA0104339  Eriastrum densifolium subsp. austromontanum B. C. Templeton 1932-7-21 5048 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  UCR56321  Eriastrum densifolium subsp. densifolium S. J. Myers, Ed LaRue 1989-3-17 s.n. Los Angeles West Mojave Desert, Palmdale area, Elizabeth Lake Road to California Aqueduct. San Andreas Rift Zone bisects the site 884 Comment
  RSA0120738  Eriastrum pluriflorum subsp. sherman-hoytiae A. C. Sanders, E. J. Lott 1993-5-6 13984 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. 701 Comment
  SBBG5827  Eriastrum sapphirinum H. and M. Dearing 1938-5-22 1954 Los Angeles Decker Ranch, 15 mi from coast Comment
  CAS-BOT-BC514959  Eriastrum sapphirinum subsp. dasyanthum C. F. Baker 1908-12-15 5239 Los Angeles Claremont Comment
  RSA0121817  Eriastrum sapphirinum subsp. dasyanthum Gary D. Cromwell, David W. Wheat 1971-5-23 692 Los Angeles Mystic Canyon. 2 mi. NE of Glendora. 427 Comment
  SEINET12278745  Eriastrum virgatum J. F. Bright, Wyman, C. 1931-1 5484 A Los Angeles near Pasadens Comment
  RSA0081797  Ericameria cooperi R. G. Swinney 2010-5-12 12767 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
  RSA0063029  Ericameria cooperi var. cooperi LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7011 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
  RSA747363  Ericameria cuneata Orlando Mistretta 1994-7-12 1397 A Los Angeles Transverse Ranges; San Gabriel Mtns region: Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Near Reed Spring 1829 Comment
  SBBG126998  Ericameria cuneata var. cuneata A. Parikh, N. Gale 2011-7-15 3558 Los Angeles West Fork San Gabriel River, 3.3 km W of St Hwy 39; San Gabriel Mtns 533 Comment
  RSA584328  Ericameria cuneata var. spathulata Timothy S. Ross, Steve Boyd 1991-3-23 4257 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs. 926 Comment
  RSA717209  Ericameria linearifolia Scott D. White, Pam De Vries 2006-5-10 11424 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR197759  Ericameria linearifolia Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 4 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  SFV13411  Ericameria nauseosa var. bernardina W. M. Perry 1980-8-29 113 Los Angeles San Gabriel Mountains Pine Mountain ridge. Comment
  UC284765  Ericameria nauseosa var. bernardina P. A. Munz 1923-8-31 7698 Los Angeles San Antonio Mts., Mescal Creek 1950 Comment
  JEPS30713  Ericameria palmeri var. pachylepis Peter H. Raven 1961-10-19 16865 Los Angeles Botanic Garden Claremont, Botanic Garden 259 Comment
  LA202465  Ericameria palmeri var. pachylepis Jonathan Sauer; 1972-5-1 5075 Los Angeles San Gabriel Mountains, Aliso Canyon, E of Acton Comment
  CAS-BOT-BC131651  Ericameria parishii var. parishii Geo. B. Grant 1901-7-27 s.n. Los Angeles Sturtevant's Camp Trail Comment
  SFV12664  Ericameria pinifolia M. H. Grayum, D. L. Koutnik 1977-11-25 894 Los Angeles San Gabriel Mountains Vicinity of Vasquez Rocks, near Agua Dulce. 671 Comment
  RSA756952  Ericameria pinifolia Orlando Mistretta, Christine Mistretta 2008-4-17 2477 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  POM122910  Erigeron breweri var. covillei Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont. 1524 Comment
  SBBG13793  Erigeron canadensis M. A. Piehl 1962-10-3 62523 Los Angeles near bridge along main rd, W side of island Comment
  SEINET4044451 Image available Erigeron foliosus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  UCR194267  Erigeron foliosus R. G. Swinney 1998-8-6 6678 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR209998  Erigeron foliosus R. G. Swinney 2008-7-15 9216 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR256190  Erigeron foliosus R. G. Swinney 2010-6-4 13064 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
  RSA726033  Erigeron foliosus var. foliosus R. G. Swinney 1997-7-14 5676 Los Angeles West of Wrightwood, Table Mtn. area, approx. 100 m NW of amphitheater and Table Mtn. Campground. 2207 Comment
  RSA748438  Eriodictyon trichocalyx Justin M. Wood 2009-6-1 805 Los Angeles Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4) 1582 Comment
  SBBG17473  Eriodictyon trichocalyx K. A. Wilson 1962-5-12 1279 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  SEINET4343656  Eriodictyon trichocalyx Kay H. Beach 1943-6-14 1747 Los Angeles San Gabriel Mountains 1554 Comment
  UCR114214  Eriodictyon trichocalyx A. C. Sanders, D. Malueg 1998-6-24 22077 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  LA205727  Eriodictyon trichocalyx var. trichocalyx Joseph Andorfer Ewan; 1932-6-17 7252 Los Angeles San Gabriel Mountains, ridge W of Barley Flats 1523 Comment
  RSA455082  Eriodictyon trichocalyx var. trichocalyx Mildred E. Mathias 1931-6-23 S 5103 Los Angeles San Antonio Falls, Mt. San Antonio Comment
  PASA1483  Eriogonum angulosum Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  RSA393074  Eriogonum angulosum Bonnie C. Templeton 1938-8-25 s.n. Los Angeles Tejon Canyon. Comment
  RSA757212  Eriogonum angulosum Orlando Mistretta, Christine Mistretta 2008-4-3 2283 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 63, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass Comment
  UCR238480  Eriogonum angulosum Orlando Mistretta, Christine Mistretta 2008-5-3 2620 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 29 per TRTP Survey 2008), in the vicinity of Ritter Ridge, just north of Elizabeth Lake Road 911 Comment
  RSA716554  Eriogonum angulosum Andrea Edwards, Pam De Vries 2006-5-15 106 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UCR223067  Eriogonum brachyanthum R. G. Swinney 2009-5-6 10682 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  CAS-BOT-BC241899  Eriogonum cinereum Peter H. Raven 1957-9-21 11356 Los Angeles Topanga Canyon 2.5 mi. above U.S. 101 alternate, Santa Monica Mts. Comment
  RSA630271  Eriogonum cinereum LeRoy Gross 1999-2-20 113 Los Angeles Santa Monica Mountains: Temescal Canyon, city of Pacific Palisades. 122 Comment
  UCR17823  Eriogonum cinereum A. C. Sanders 1976-3-10 550 Los Angeles Southern coast, Palos Verdes Peninsula Comment
  RSA588139  Eriogonum cithariforme var. agninum Orlando Mistretta 1994-5-23 1234 Los Angeles Little Rock Creek, drainage E of Creek and N of Forest Rd. 4N15. 1311 Comment
  RSA776549  Eriogonum davidsonii Orlando Mistretta, Christine Mistretta 2010-6-15 5322 Los Angeles Upper Big Tujunga canyon; Lynx Gulch. Along Lynx Gulch Road, 0.44 road miles N of junction with Upper Big Tujunga Canyon Road. 1018 Comment
  SBBG126945  Eriogonum davidsonii A. Parikh, N. Gale 2011-6-17 3481 Los Angeles Aliso Cyn, just W of Angeles Forest Hwy, 0.5 km S of Aliso Cyn Rd; San Gabriel Mtns 1285 Comment
  SEINET11937892  Eriogonum davidsonii M. T. Doutt 1931-1 649 Los Angeles Sierra Madre Mts, trail between Mt. Lowe and Mt. Nelson 1768 Comment
  RSA393480  Eriogonum deflexum var. baratum Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  SBBG125855  Eriogonum deflexum var. baratum A. Parikh, N. Gale 2010-6-2 3246 Los Angeles Sierra Pelona, 4 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1143 Comment
  CHSC95332  Eriogonum elongatum LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 288 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 914 Comment
  JEPS56996  Eriogonum elongatum var. elongatum Louis C. Wheeler 1931-10-17 26 Los Angeles 2 mi n Claremont 411 Comment
  JEPS98623  Eriogonum fasciculatum Dean Kelch 1993-6-1 Los Angeles Temescal Canyon 120 Comment
  RSA0035186  Eriogonum fasciculatum James S. Burns 1992-5-11 13 Los Angeles 1.5 miles west on Rincon fire road from east access, Angeles National Forest. 762 Comment
  SEINET253235  Eriogonum fasciculatum Marcus E. Jones 1882-2-25 3019 Los Angeles Pasadena Comment
  UCR205548  Eriogonum fasciculatum subsp. fasciculatum A. C. Sanders, T. B. Salvato 2009-5-19 36817 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  SEINET11263910  Eriogonum fasciculatum var. fasciculatum Timothy S. Ross, Steve Boyd 1994-7-7 8165 Los Angeles Upper Cienaga Canyon. South base of Liebre Mountain, just on the N side of the 'Kelly Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles Nat'l Forest map, 1982). Liebre Mountain 7.5' USGS Quadrangle.; 0 1000 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
  CAS-BOT-BC250120  Eriogonum fasciculatum var. polifolium W. R. Dudley; F. H. Lamb 1896-6-8 4368 Los Angeles Near Neenach, Antelope Valley Comment
  RSA393462  Eriogonum fasciculatum var. polifolium Bonnie C. Templeton 1932-8-26 5093 Los Angeles West Blue Ridge, Big Pines Park. San Gabriel Mountains 2195 Comment
  CHSC34583  Eriogonum gracile James Henrickson 1972-11-2 8088 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. In agricultural field. 371 Comment
  RSA685156  Eriogonum gracile var. gracile Scott D. White 2003-7-25 9645 Los Angeles Santa Clarita area; Sand Canyon (tributary to Santa Clara River) just above trailer park. 506 Comment
  CAS-BOT-BC261179  Eriogonum heermannii var. heermannii Carl B. Wolf 1931-11-8 1430 Los Angeles Big Rock Creek, 1/8 mi. below Big Rock Ranger Station, desert slope of San Gabriel Mts. 1066 Comment
  LA206819  Eriogonum heermannii var. heermannii Victor Duran; 1933-8-10 3545 Los Angeles San Gabriel Mountains, South Fork Big Rock Creek 1394 Comment
  RSA607389  Eriogonum hirtiflorum Louis C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains; Devil's Canyon. 1433 Comment
  CAS-BOT-BC256778  Eriogonum incanum Geo. B. Grant 1906-6-1 s.n. Los Angeles Mt Wilson Comment
  UC586861  Eriogonum microthecum var. corymbosoides Joseph Andorfer Ewan 1934-8-3 8332 Los Angeles near summit Table Mt. (head of Le Montaine Cr.); San Gabriel Mts., Table Mt., Le Montaine Cr. 2255 Comment
  UCR281394  Eriogonum plumatella R. G. Swinney 2014-4-24 16214 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  CAS-BOT-BC258232  Eriogonum pusillum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3744 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  RSA0073265  Eriogonum pusillum Orlando Mistretta, Christine Mistretta 2005-4-21 2070 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  SD90385  Eriogonum pusillum Robert F. Thorne, C. W. Tilforth 1973-4-20 43000 Los Angeles San Gabriel Mts., Mojave Desert Slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 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
  CAS-BOT-BC267753  Eriogonum roseum Timothy S. Ross; Steve Boyd 1994-9-21 8310 Los Angeles Southwesterly slope at the west end of the moutnain, along Forest Service Road 7N23, ca 1080 m SW of Sandberg Triangulation Point (5345-ft), Liebre Mountain 1470 Comment
  POM280011  Eriogonum saxatile Victor Duran 1933-7-27 3538 Los Angeles San Gabriel Mountains: Buckhorn 1982 Comment
  RSA0081128  Eriogonum thurberi R. G. Swinney 2010-6-29 13386 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  RSA766490  Eriogonum thurberi Susan Hutchinson 1931-8-10 5593 Los Angeles Burbank San Fernando Valley. 213 Comment
  UC1375407  Eriogonum umbellatum var. munzii Robert F. Thorne 1969-7-2 38343 b Los Angeles above Vincent Gap (on Angeles Crest Hwy.); San Gabriel Mts., Angeles National Forest 2011 Comment
  CAS-BOT-BC264874  Eriogonum viridescens James L. Reveal 1978-6-25 4776 Los Angeles Along Avenue F, 0.5 mile east of California Highway 138, north of Lancaster 716 Comment
  SD215621  Eriogonum viridescens Timothy S. Ross, Peter W. Fritsch, et al. 1990-6-22 3721 Los Angeles Pinyon Ridge; eastern half of the ridge, directly north of Fenner Canyon. 1938 Comment
  UCD101509  Eriogonum viridescens L. LaPre 1988-7-1 s.n. Los Angeles Big Rock Creek Wash, 2.5 miles E of Pearblossom. Comment
  UC1584885  Eriogonum wrightii var. subscaposum Tim Ross, Steve Boyd 1991-7-24 5625 Los Angeles ridge nne Granite Mountain; Granite Mountain vicinity, Pacifico Mountain USGS 7.5' quad. 1865 Comment
  POM307843  Eriophyllum confertiflorum Henry J. Ramsey 1938-6-11 2731 Los Angeles Eaton Canyon Park. Comment
  POM357906  Eriophyllum confertiflorum James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  RSA527603  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4428 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  SFV16235  Eriophyllum confertiflorum L. Peralta 1996-5-13 s. n. Los Angeles San Gabriel Mountains Middle Ranch, off of Little Tujunga Canyon Road, about 0.5 miles east of entrance. Comment
  UCR124433  Eriophyllum confertiflorum I. W. Clokey, B. C. Templeton 1929-1 4477 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  LA209915  Eriophyllum confertiflorum var. confertiflorum Harlan Lewis; 1940-2-4 1058 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  RSA0091747  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-5-26 14860 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  SBBG101157  Eriophyllum confertiflorum var. confertiflorum T. Ross 1992-4-14 6156 Los Angeles just below the mouth of Nanny Cyn 137 Comment
  UC206206  Eriophyllum confertiflorum var. confertiflorum Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA534021  Eriophyllum nevinii Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5303 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336') marker, 1800ft SE of Malo Knoll (1396') 305 Comment
  RSA316354  Eriophyllum wallacei R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54976 Los Angeles San Gabriel Mts: 1158 Comment
  RSA251397  Erodium botrys Robert F. Thorne 1966-4-17 36083 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  SBBG31420  Erodium brachycarpum R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-18 36757 Los Angeles Bullrush Cyn 243 Comment
  JEPS61381  Erodium cicutarium Geo. B. Grant 1901-1 448 Los Angeles Pasadena Comment
  RSA630379  Erodium cicutarium Louis C. Wheeler 1967-5-15 9605 Los Angeles San Gabriel Mountains: Whitney Canyon near Newhall 488 Comment
  RSA659443A  Erodium cicutarium Monica Acosta 1998-5-26 25 -A Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona). 226 Comment
  LA25979  Erodium moschatum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  POM2736  Erodium moschatum F. Fox 1916-4-15 s.n. Los Angeles Johnson Pasture, N of Claremont. Comment
  UCR205095  Erysimum capitatum R. G. Swinney 2008-4-11 8657 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCSB33652  Erysimum capitatum var. capitatum Miller, Brian 1960-7-20 Los Angeles Charlton Flats, San Gabriel Mountains 1981 Comment
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Oct 29 2014
  RSA594747  Erysimum capitatum var. capitatum Timothy S. Ross 1995-4-26 8388 Los Angeles LIEBRE GULCH: along Forest Service Road 8N05 (descending into the gulch from the Tumble Inn site) ca 60 feet ESE of its junction with 8N01 in the canyon bottom. 994 Comment
  SD69672  Erythranthe cardinalis Robert F. Thorne 1966-6-1 36506 Los Angeles Santa Catalina Island; along stream at lower end of Cape Canyon above junction with Middle Ranch Canyon 235 Comment
  SD186341  Erythranthe parishii Andy C. Sanders 2005-5-24 30242 Los Angeles Santa Clarita area, nameless canyon NW of community of Mint Canyon,tributary of Santa Clara River 518 Comment
  SEINET5736547 Image available Erythrina macrophylla M. Reynolds, E. McClintock 1943-1 173 Los Angeles UCLA Botanical Garden.; UCLA Botanical Garden Comment
  LA202015  Eschscholzia caespitosa Arthur C. Gibson; 2003-8-1 5023 Los Angeles Santa Monica Mountains, Calabasas, fire road off Old Topanga Rd Comment
  RSA651299  Eschscholzia caespitosa Lori Ackerman, Gerald Braden 1988-5-20 35 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA433637  Eschscholzia caespitosa Edwin Kline 1925-4-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mountains. Comment
  POM386  Eschscholzia caespitosa subsp. caespitosa J. James Johnson 1903-05 s.n. Los Angeles Collected near Pasadena. Comment
  CAS-BOT-BC403158  Eschscholzia californica Peter H. Raven 1962-5-22 17834 Los Angeles Santa Catalina Island: first canyon west of Lions Head Point 51 Comment
  CAS-BOT-BC403173  Eschscholzia californica John H. Thomas 1957-4-27 6707 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume. 15 miles due west of Santa Monica 152 Comment
  CAS-BOT-BC403183  Eschscholzia californica Le Roy Abrams; E. A. McGregor 1908-6-20 360 Los Angeles Liebre Mountain 1463 Comment
  UCSB31575  Eschscholzia californica Kato, Yoriko 1957-3-7 Los Angeles UCLA campus between Franz Hall and Library Comment
  CAS-BOT-BC92211  Eschscholzia ramosa Geo. B. Grant 1872-3-4 2254 Los Angeles Isthmus. Comment
  SD86333  Eschscholzia ramosa R. Beauchamp, M. Douglas 1972-3-24 3226 Los Angeles San Clemente Island, base of talus slope south of Eel Point. 24 Comment
  UCR188653  Eucalyptus camaldulensis R. G. Swinney 1990-4-28 1576 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora; at the east boundary of the South Hills Park, in a canyon running east-west 305 Comment
  CAS-BOT-BC334478  Eucalyptus cornuta R. E. Riefner, Jr. 2007-3-10 07 -122 Los Angeles Palos Verdes Peninsula, Palos Veres Estates, N of Palos Verdes Dr. West, Malaga Creek, Via Alar at Via Corta 41 Comment
  IRVC26455  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin, et al. 2003-3-5 25721 Los Angeles Newhall Ranch, canyon NE of "Grapevine Mesa," SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of "oil tanks" near BM 1073 NE end of Santa Susana Mtns. Comment
  RSA652844  Eucrypta chrysanthemifolia Roxanne Smith 1991-5-5 13 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/4 mile north of intersectionof Clear Creek Canyon Drive & Steep Canyon Road. Comment
  UCR131818  Eucrypta chrysanthemifolia Jeremiah George 2001-4-24 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
  RSA158273  Eucrypta chrysanthemifolia Peter H. Raven 1962-5-10 17736 Los Angeles Deep canyon due north of Boulder, San Clemente Island 427 Comment
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Dec 15 2010
  UC1922277  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie Soza, Miriam Sidibeh 2003-3-26 1599 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  UCSB7338  Eulobus californicus Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre Canyon 304 Comment
  NY519451  Eupatorium adenophorum T. S. Ross 1992-5-24 6405 Los Angeles Lower Brown's Gulch: just W of the San Gabriel Dam. 463.3 Comment
  POM2849  Euphorbia lathyris I. M. Johnston 1917-7-20 1747 Los Angeles San Antonio Canyon (Seven oaks). Comment
  RSA230747  Euphorbia palmeri R. F. Thorne 1969-7-9 38485 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  RSA712903  Euphorbia polycarpa A. C. Sanders, Mark Elvin 2003-4-16 26047 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  CATA3340  Extriplex californica Amy Catalano, Schylar Gholson 2016-2-9 013 Los Angeles Santa Catalina Island: Beach southwest of Smuggler's Loop Road 0 Comment
  UCR139914  Festuca arundinacea Scott D. White 1997-5-14 5132 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
  SBBG131740  Festuca bromoides S. A. Junak 1999-4-23 SCa 851 Los Angeles plant stop [ridge rd E of Mt Torquemada Trail] 347 Comment
  UCSB9226  Festuca bromoides Albright, S. 1957-5-27 Los Angeles UCLA Campus; Faculty Hill 91 Comment
  UCR155136  Festuca microstachys A. C. Sanders 2005-5-5 29946 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  SBBG80233  Festuca myuros F. R. Fosberg 1932-5-7 8143 Los Angeles S of Grand Cyn 240 Comment
  UCR255773  Festuca myuros R. G. Swinney 2010-5-4 12493 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA732772  Ficus carica R. G. Swinney 2000-5-10 7679 Los Angeles San Gabriel Valley: San Gabriel River bottom, c. 300 m north of Foothill Ave. in Azusa, east side of river. 183 Comment
  RSA158332  Filago arizonica Peter H. Raven 1962-4-12 17314 Los Angeles San Clemente Island, west side of island: between canyon below the Tomb and next canyon south. 107 Comment
  RSA535728  Filago arizonica Timothy S. Ross 1991-5-22 5475 Los Angeles San Clemente Island, Spray Canyon, short Canyon. alt 2400ft. ENE of Spray (which in turn is 5200ft N of Eel Point) W side of island. 53 Comment
  RSA746797  Filago californica R. G. Swinney 2008-3-26 8564 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA777681  Filago californica Orlando Mistretta, Christine Mistretta 2010-5-19 5109 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UCR105995  Forestiera pubescens L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Pallett Creek 1280 Comment
  RSA0102533  Frangula californica subsp. californica Richard G. Swinney 2010-9-30 13957 Los Angeles San Gabriel Mountains: 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  SD255800  Fraxinus latifolia Ian Cain, Natasha Bartely 2010-6-23 1535 Los Angeles Angeles National Forest, San Gabriel Mountains; Along Bear Creek east of Cogswell Dam. 562 Comment
  RSA760561  Fraxinus velutina R. G. Swinney 2009-3-10 10069 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  OBI80787  Fraxinus velutina Luis Aguilar 2015-8-26 Los Angeles Peter Strauss Ranch, along Mulholland Hwy at northeast corner of the park. 230 Comment
  UCR190854  Fremontodendron californicum R. G. Swinney 1998-7-2 6225 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR223283  Fremontodendron californicum R. G. Swinney 2009-6-17 11217 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  SEINET8716151 Image available Fritillaria biflora Louis C. Wheeler 1932-1 453 Los Angeles Near mouth San Dimas Canyon, San Gabriel Mts. Alt. 1400 ft. 427 Comment
  LA29020  Fritillaria biflora var. biflora Mary V. Hood; 1940-3-8 40 13 k* a,b Los Angeles 335 Comment
  UCR228116  Galium R. F. Thorne 1968-2-25 37911 Los Angeles Channel Islands, Santa Catalina Island, Cherry Valley 49 Comment
  RSA567522  Galium andrewsii subsp. andrewsii Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3916 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  IRVC26189  Galium angustifolium A. C. Sanders 2003-6-19 26973 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA0091485  Galium angustifolium R. G. Swinney 2011-6-15 15172 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  UCR190422  Galium angustifolium R. G. Swinney 2001-6-16 7985 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
  POM367661  Galium angustifolium subsp. angustifolium Donald R. Bissing 1973-6-2 103 Los Angeles San Gabriel Mountains, Evey Canyon, 0.3 mile from the canyon mouth 720 Comment
  RSA596044  Galium angustifolium subsp. angustifolium Tim S. Ross, J. Mark Porter 1995-5-4 8412 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UC440444  Galium angustifolium subsp. angustifolium Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topango Canyon Santa Monica Mountains Comment
  RSA529154  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5616 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  POM78967  Galium jepsonii I. M. Johnston 1925-8-1 6612 Los Angeles San Antonio Mountains: western end Ontario Peak ridge. 2348 Comment
  CAS-BOT-BC223140  Galium johnstonii Timothy S. Ross; Steve Boyd 1990-5-23 2638 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon 1371 Comment
  UCR108339  Galium johnstonii L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mtns, Divide between W Fork Bear Creek and Devils Canyon 1799 Comment
  UCR276894  Galium johnstonii R. G. Swinney 2011-5-16 14752 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  UCD121885  Galium parisiense C. W. Tilforth 1969-6-6 201 Los Angeles Rancho Santa Ana Bot. Gard., Claremont. Comment
  RSA0119950  Galium porrigens R. G. Swinney 2014-5-21 16634 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  UCR153956  Galium porrigens A. C. Sanders 2005-5-11 30154 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UC28221  Galium porrigens J. H. Barber 1897-3-28 114 Los Angeles Santa Monica Exp. Station Comment
  UCR227640  Galvezia speciosa R. F. Thorne 1968-2-24 37916 Los Angeles Channel Islands, Santa Catalina Island, north bank of road from Fisherman's Cove 61 Comment
  RSA89787  Garrya flavescens var. pallida R. M. Beeks 1951-6-12 193 Los Angeles Angeles Crest Hwy., near Charlton Flats. 1524 Comment
  RSA392403  Garrya veatchii Albert J. Perkins 1924-02 s.n. Los Angeles Fork of Trails to Opids and Mt. Wilson. Comment
  UCD66726  Gastridium phleoides Katharine Brandegee Date Unknown Los Angeles Catalina Island. Comment
  RSA579301  Gaura sinuata Tim S. Ross, Carolyn Neal, Janet Takara 1994-8-4 8214 Los Angeles Santa Catalina Island: Middle Ranch, ca. 120m NNE of Thompson Dam. 184 Comment
  RSA755899  Gayophytum R. G. Swinney 2008-6-17 9021 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  UCR210161  Gayophytum R. G. Swinney 2008-8-13 9384 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  UCR209872  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2008-7-16 9251 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  CATA3421  Gazania linearis Jaimie Choi, Julia Parish, Olivia Reda, Tobias Nickel 2017-4-12 002 Los Angeles Santa Catalina Island: Hamilton Cove hillside above maintenance shops 78 Comment
  CATA3464  Genista linifolia Tobias Nickel, Julia Parish 2017-5-31 006 Los Angeles Santa Catalina Island: Interior; Northeast of Lower Cottonwood Canyon Rd and south of main drainage in Middle Cottonwood Canyon 125 Comment
  CAS-BOT-BC208060  Genista monspessulana Geo. B. Grant 1900-2-23 2264 Los Angeles Pasadena Comment
  PASA672  Geranium carolinianum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA188262  Geranium carolinianum Robert F. Thorne 1966-4-30 36358 Los Angeles Santa Catalina Island, above Gallagher s Canyon. 396 Comment
  SBBG118148  Geranium carolinianum F. R. Fosberg 1931-3-20 4319 Los Angeles Hamilton Cyn 40 Comment
  RSA630741  Geranium carolinianum LeRoy Gross, Valerie Soza 1999-5-11 153 Los Angeles San Gabriel Mountains: Above city of San Dimas. 646 Comment
  UCD40959  Geranium rotundifolium Glen Holstein 2003-3-23 s.n. Los Angeles Pacific Palisades along Michael Lane in vacant lot. Comment
  RSA0105757  Gilia R. G. Swinney 2011-6-7 15029 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road. 1585 Comment
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Dec 7 2018
  SEINET6969900  Gilia Wanda P. Vestal, A. G. Vestal 1955-3-26 3479 Los Angeles East side of road in field, Antelope Valley east of Fairmont on 110th Street. Comment
  UC23737  Gilia angelensis J. H. Barber 1897-3-21 93 Los Angeles near Soldier's Home; near Soldier's Home Comment
  RSA470098  Gilia angelensis Anstruther Davidson s.n. Los Angeles Acton. Comment
  UCR101293  Gilia austrooccidentalis L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mtns, Devil's Canyon, depression on bench NE of campground 1433 Comment
  RSA0119942  Gilia brecciarum subsp. brecciarum R. G. Swinney 2014-4-23 16157 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E.), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  RSA621045  Gilia brecciarum subsp. brecciarum J. Mark Porter 1998-4-27 11832 Los Angeles Antelope Valley: Hill N. of Saddleback Butte State Park (N. of Ave. J.) Comment
  CHSC34461  Gilia capitata Helen Spaulding 1968-5-13 56 Los Angeles N. City of Pasadena, 1 mi. SW. of Rose Bowl on Arroyo Dr. 304 Comment
  UCR155652  Gilia capitata A. C. Sanders, T. B. Salvato 2005-4-26 29682 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
  RSA29729  Gilia capitata subsp. abrotanifolia L. C. Wheeler 1932-5-28 790 Los Angeles San Antonio Canyon, San Gabriel Mountains. 1143 Comment
  RSA525315  Gilia capitata subsp. abrotanifolia W. Wisura 1991-4-27 4486 Los Angeles 3.3 mi S of Lancaster Rd. on Munz Ranch Rd. Antelope Valley. Comment
  RSA67728  Gilia latiflora subsp. davyi Verne Grant, Alva Grant 1952-4-23 17578 Los Angeles From Mojave to Lancaster and then into Antelope Valley. Comment
  CAS-BOT-BC226401  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 3004 Los Angeles Little Rock Creek, Mohave [Mojave] Desert Comment
  CAS-BOT-BC402099  Gilia leptantha subsp. transversa Robert F. Thorne; C. W. Tilforth; J. Dourley; R. Scogin 1972-8-11 42226 Los Angeles San Gabriel Mts., Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station 2133 Comment
  UCR205853  Gilia modocensis R. G. Swinney 2008-5-8 8810 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA67330  Gilia modocensis D. D. Keck 1949-4-25 6262 Los Angeles NW of Cajon Pass on Hwy 138, near San Bernardino - Los Angeles county line. Comment
  CATA367  Gilia nevinii Mark L. Hoefs 1974-3-28 416 Los Angeles Santa Catalina Island: Ridge above and north of upper Bulrush Canyon, southeast exposure 335 Comment
  UC1594380  Gilia nevinii Tim Ross 1992-4-14 6164 Los Angeles just above mouth Nanny Canyon (lower end canyon, central e side San Clemente Island); San Clemente Island, central e side, Nanny Canyon 182 Comment
  CAS-BOT-BC402100  Gilia ochroleuca subsp. bizonata Brandegee 1889-1-1 s.n. Los Angeles South side Ravenna P.O. Comment
  SBBG118565  Gilia ochroleuca subsp. vivida L. C. Wheeler 1970-7-25 Los Angeles Heliport, ca. 0.3 mi N of South Mt Hawkins 2286 Comment
  UCR179727  Gnaphalium californicum R. G. Swinney, Dave Larson 1996-7-17 5146 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR91445  Gnaphalium californicum Scott D. White 1995-2-7 2536 Los Angeles San Gabriel Mtns., Santa Susana Mtns, Sunshine Canyon, directly west of Hwy I-5 just south of interchange with Hwy 14 457 Comment
  RSA91760  Gnaphalium californicum F. W. Peirson 1918-2-12 2788 Los Angeles Field near foot of Lukens Trail Comment
  UCR276911  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2011-3-29 14257 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
  SEINET10475070  Gnaphalium luteoalbum Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4785 Los Angeles Santa Catalina Island; Catalina Conservancy Land, Haypress Reservoir, around reservoir. 4 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 400 Comment
  SEINET13387097 Image available Gnaphalium microcephalum R. G. Swinney 2011-1 15682 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  POM358899  Gnaphalium palustre L. C. Wheeler 1934-3-11 2435 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  CAS-BOT-BC110270  Grayia spinosa Paul F. Covel 1937-4-20 741 Los Angeles Near Lancaster. Comment
  CAS-BOT-BC110280  Grayia spinosa Le Roy Abrams; E. A. McGregor 1908-6-24 826 Los Angeles Near Willow Springs, Antelope Valley. 792 Comment
  SBBG62708  Grindelia hirsutula R. Hoffmann 1927-9-23 Los Angeles Lancaster; HOLOTYPE: G. camporum var. abbreviata Comment
  SBBG8277  Grindelia hirsutula R. Hoffmann 1927-7-14 Los Angeles Elizabeth Lake Comment
  UC55184  Grindelia hirsutula H. M. Hall 1902-5-13 3290 Los Angeles near Los Angeles (Howard Summit); Howard Summit Comment
  LA51491  Guillenia lasiophylla O. H. Kappler; 1944-5-7 616 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  CHSC62037  Gutierrezia californica L. P. Janeway 1993-10-5 4610 Los Angeles Puente Hills; at the head of Arroyo San Miguel. On dirt road and drilling pad. 228 Comment
  CHSC95519  Gutierrezia californica LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 401 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. On ridge that runs down to the mouth of McDonald Creek, on west side of creek, but a short distance from the main crest. 366 Comment
  POM288833  Gutierrezia californica Lyman Benson 1933-11-12 5725 Los Angeles Westwood, Beverly Hills. 122 Comment
  JEPS18979  Gutierrezia microcephala Frank W. Peirson 1923-9-1 4016 Los Angeles Sheep Creek San Gabriel Mountains, Sheep Creek 1524 Comment
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Aug 14 2013
  RSA0000378  Habenaria leucostachys var. virida Frank W. Peirson 1918-7-8 12 Los Angeles San Antonio Canyon, San Gabriel Mountains. Comment
  SEINET11837961  Haplopappus linearifolius D. P. Reagan 1974-1 24 Los Angeles about 2 mi W of Gorman Comment
  RSA0096643  Harpagonella palmeri Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 631 Los Angeles Santa Catalina Island. Ca. 0.95 air miles NW of East Peak. 329 Comment
  SD253387  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-11-3 15996 Los Angeles San Gabriel Mts.: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre (Mt. Wilton 7.5'Q) 548 Comment
  RSA612306  Hedera canariensis L. C. Wheeler 1968-9-29 s.n. Los Angeles [San Gabriel Mountains]: Camp Bonita. Comment
  CAS-BOT-BC309436  Helenium puberulum Timothy S. Ross; Steve Boyd 1994-7-7 8163 Los Angeles Liebre Mountains. Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982) 1018 Comment
  LA94378  Helianthemum scoparium Carl Epling; M. Dunn 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA441785  Helianthemum scoparium var. vulgare B. C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon. 300 Comment
  UCR217344  Helianthus annuus David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW corner of area 698 Comment
  SD90304  Helianthus annuus R. F. Thorne, M. Z. Thorne 1972-1-30 42171 Los Angeles San Gabriel Mountains; Johnson's Pastures and dow Gail Canyon, north of Claremont. 490 Comment
  CDA6537  Helianthus ciliaris Garrettson 1915-1 47 Los Angeles Montebello Hills District. 0 Comment
  UCR200014  Helianthus gracilentus Valerie Soza, Mariam Sidibeh 2003-3-26 1604 Los Angeles Transverse Ranges; Verdugo Mountains, North side of La Tuna Canyon, Haines Canyon Park vicinity, south of Dorothy and Estepa Drive intersection 610 Comment
  RSA0012951  Helianthus nuttallii subsp. parishii H. E. Hasse 1891-1 s.n. Los Angeles Cienega, Los Angeles Comment
  RSA653630  Heliotropium amplexicaule S. Koukol, R. Koukol 1998-5-3 58 Los Angeles Claremont, appx. 100 m S of Baseline Road, in open field E of Mills Ave., W od Monte Vista Ave. 448 Comment
  OBI34016  Heliotropium curassavicum Mark Schneider 1973-9-30 s.n. Los Angeles San Onofre surf park Comment
  POM155855  Heliotropium curassavicum var. oculatum M. B. Dunkle 1928-4-11 1853 Los Angeles Near Isthmus, Santa Catalina Island. 5 Comment
  CATA391  Helminthotheca echioides Mark L. Hoefs 1974-5-2 457 Los Angeles Santa Catalina Island: Southeast side of main road at Little Harbor 3 Comment
  RSA320811  Hemizonia clementina F. C. Boutin 1967-4-24 1705 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  RSA360237  Hemizonia clementina Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  UCR155390  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2005-5-24 30272 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  RSA584222  Hemizonia fasciculata Timothy S. Ross, Orlando Mistretta 1993-5-27 7324 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  UCR11542  Hemizonia fasciculata subsp. ramosissima Harlan Lewis 1940-8-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns. Foothills, Los Angeles, Westwood; UCLA campus 183 Comment
  RSA601066  Hemizonia kelloggii Steve Boyd, Lauren Raz 1997-6-18 9990 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Portal Ridge, 5.1 road miles west of intersection with 90th St. West. 1054 Comment
  RSA51444  Hemizonia minthornii J. T. Howell 1947-7-17 s.n. Los Angeles East side of Santa Susana Pass Comment
  CAS-BOT-BC403839  Hesperocnide tenella LeRoy Abrams 1902-6-17 2558 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  SBBG17881  Hesperocnide tenella P. H. Raven 1962-5-9 17701 Los Angeles cyn just N of Gray 304 Comment
  RSA681296  Hesperocnide tenella LeRoy Gross, Valerie Soza 2003-5-15 913 -a Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave., Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. 366 Comment
  SDSU9055  Heteromeles arbutifolia J. Godsil 1953-3-9 563 Los Angeles Little Dalton Canyon, above San Gabriel Lakes. 960 Comment
  UC860424  Heteromeles arbutifolia Ezra C. Knopf 314 Los Angeles Santa Catalina Island Comment
  UCR217424  Heteromeles arbutifolia R. G. Swinney 2009-3-10 10062 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SD49388  Heteromeles arbutifolia var. macrocarpa Reid Moran 1959-3-9 7166 Los Angeles Canyon 2 miles SE of Eel Point, San Clemente Island 99 Comment
  RSA0074515  Heterotheca fastigiata Walter Wisura 1999-9-10 5133 Los Angeles San Gabriel Mts.: 3.5 miles W of Cow Canyon Saddle on forestry road off Glendora Ridgeroad. Comment
  CAS-BOT-BC318851  Heterotheca grandiflora C. F. Baker 1903-10-1 4075 Los Angeles Claremont Comment
  RSA0075828  Heterotheca grandiflora J. D. Olmsted 1959-3-30 328 Los Angeles 1/4 mile SW of junction between Palmer and Coval [Cobal] Canyons and eastern county line, San Gabriel Mts; Drainage area: Thom[p]son Creek. 427 Comment
  SBBG132111  Heterotheca grandiflora S. A. Junak 1996-4-13 SCI 323 Los Angeles S of Bryce Cyn 45 Comment
  RSA733044  Hieracium albiflorum R. G. Swinney 1998-7-10 6359 Los Angeles San Gabriel Mtns.: Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  CATA1643  Hirschfeldia incana Mark L. Hoefs, Steven A. Junak 1998-6-12 2926 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  SD52888  Hirschfeldia incana Peter H. Raven 1962-5-9 17660 Los Angeles San Clemente Island; near observation point on slope overlooking Pyramid Cove. 170 Comment
  CDA27085  Hoffmannseggia glauca Agricultural Commissioner Los Angeles 0 Comment
  RSA0016858  Holodiscus discolor Mary P. Walker 32 Los Angeles Burbank's Canyon. 305 Comment
  UCR194631  Holodiscus microphyllus R. G. Swinney 1998-8-13 6738 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 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
  RSA618701  Hordeum intercedens Scott D. White 1998-5-22 6562 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. 426 Comment
  CDA2188  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1967-5-18 9662 Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  RSA157795  Hordeum marinum subsp. gussoneanum P. H. Raven 1962-5-10 17738 Los Angeles near head of large canyon due north of Boulder, San Clemente Island 488 Comment
  UCR213426  Hordeum murinum A. C. Sanders, Dan S. Cooper 2010-3-12 37328 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA724994  Hordeum murinum subsp. glaucum K. Dobry 1991-5-2 592 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UC1587627  Hordeum murinum subsp. glaucum Tim Ross 1991-4-21 4514 Los Angeles Middle Turnbull Canyon drainage just sw old water tank (Whittier Hills (Puente Hills, pro parte)); Whittier Hills (Puente Hills), Middle Turnbull Cyn drainage 219 Comment
  POM352463  Hordeum murinum subsp. leporinum Robert Gustafson 1978-6-1 979 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  CATA1991  Hordeum vulgare Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 369 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road 228 Comment
  SBBG113123  Hordeum vulgare S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 369 Los Angeles Skull Cyn, ca. 0.4 rd mi from intersection with Middle Ranch Cyn Rd 228 Comment
  UCSB6765  Hordeum vulgare Haller, John 1950-5-9 Los Angeles UCLA Botanical Garden Comment
  UCR131376  Horkelia cuneata Jeremiah George 2001-1 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
  POM35303  Horkelia cuneata subsp. puberula C. F. Baker 1904-4-20 1760 Los Angeles Claremont. 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
  POM43358  Horkelia rydbergii Robert Kessler 1921-7-4 3442 Los Angeles Pine Flats. Comment
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Jul 29 2016
  UCR149906  Horkelia rydbergii R. G. Swinney 1999-6-18 7340 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR34524  Hulsea heterochroma G. F. Pratt 1984-8-1 s.n. Los Angeles San Gabriel Mtns., near summit of Mt. Baden-Powell 2835 Comment
  SBBG105562  Hulsea vestita subsp. gabrielensis T. Ross 1994-5-31 7976 Los Angeles Pacifico Mtn ca. 860 m WNW of the 7124' summit 2072 Comment
  SEINET7047936  Hymenoclea salsola Steven R. Hill, Kate Kramer 2001-4-22 33393 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  UCR228147  Hypochaeris glabra R. F. Thorne 1965-5-10 34506 Los Angeles Channel Islands, Santa Catalina Island, near upper end of Gallagher Canyon 427 Comment
  RSA512063  Hypochaeris glabra L. C. Wheeler 1967-5-13 9508 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  SBBG13809  Isocoma menziesii M. A. Piehl 1962-10-3 62509 Los Angeles Ironwood Gully Comment
  UC216874  Isocoma menziesii var. sedoides C. F. Millspaugh 1920-1-21 4615 Los Angeles Ballast Point Santa Catalina Island, Catalina Harbour, Ballast Point Comment
  UCSB51796  Juglans californica Bishop, Richard 1967-5-14 Los Angeles Bull Creek; 1 mi. east of intersection of Balboa and Rinaldi Streets; town of Granada Hills Comment
  SD237488  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37166 Los Angeles San Gabariel Valley: Arroyo Hondo, near the shooting range, 0.42 mi. due W of Rosemead Blvd., 0.26 mi. due S of Hwy 60 (El Monte 7.5'Q) 64 Comment
  UCR204560  Juncus R. G. Swinney 2005-8-5 8377 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
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Mar 21 2019
  RSA583016  Juncus acutus subsp. leopoldii Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6945 Los Angeles Santa Catalina Island: W end of Island beyond the isthmus, on main east west ridgtop, upper NW slope of Silver Peak (West Peak Triangulation Pt, 1804ft) 527 Comment
  SBBG77282  Juncus balticus F. R. Fosberg 1931-4-15 4619 Los Angeles Middle Ranch Cyn 180 Comment
  SBBG90459  Juncus balticus M. C. Hochberg 1985-4-7 1204 Los Angeles Little Springs Cyn 243 Comment
  UCR182119  Juncus balticus R. G. Swinney 1997-6-19 5620 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  LA82496  Juncus bufonius O. H. Kappler; 1943-5-2 388 Los Angeles SANTA MONICA MOUNTAINS, W-fork Las Trancas (Rattlesnake) Canyon, N slope. 365 Comment
  UCR179291  Juncus bufonius R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin 366 Comment
  RSA600730  Juncus covillei L. C. Wheeler 1954-9-1 7088 -A Los Angeles San Gabriel Mountains; Little Rock Creek at Buckhorn. Comment
  UCR270633  Juncus duranii R. G. Swinney 2011-8-17 15647 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA0039056  Juncus mexicanus R. G. Swinney 2009-11-16 11646 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UC1595310  Juncus mexicanus Tim Ross, Steve Boyd 1990-6-18 3475 Los Angeles northerly draw draining to Jackson Lake (San Gabriel Mountains, Camp Verdugo Pines and vicinity); San Gabriel Mountains 1877 Comment
  UCR172296  Juncus mexicanus Anuja Parikh, Nathan Gale 2005-7-16 2142 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  RSA0126995  Juncus mexicanus Louis C. Wheeler 1967-7-15 10026 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  POM123289  Juncus phaeocephalus George B. Grant 1904-6-10 s.n. Los Angeles Sherman. Comment
  UC1595240  Juncus rugulosus Tim Ross, Peter Fritsch 1990-6-20 3593 Los Angeles near the confluence of the East and West Forks of the San Gabriel River (mouth of Burro Canyon, San Gabriel Mountains); San Gabriel Mountains, Burro Canyon 445 Comment
  UCR210001  Juncus rugulosus R. G. Swinney 2008-7-12 9175 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA605025  Juncus saximontanus L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA782056  Juncus tenuis A. C. Sanders, T. B. Salvato 2009-5-20 36868 Los Angeles Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  IRVC29012  Juncus torreyi A. C. Sanders, Mark Elvin 2002-6-25 25288 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  UCR125147  Juncus torreyi A. C. Sanders, Mark Elvin 2002-6-25 25288 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  LA6542  Juniperus californica Carl Epling; M. Epling May 1925 sn Los Angeles Mint Canyon 1523 Comment
  UCR152485  Juniperus chinensis A. C. Sanders, Lee Jones 2005-4-8 29363 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR78122  Keckiella antirrhinoides Wandalee Thompson 1964-4-11 3 Los Angeles San Gabriel Mtns., Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest 457 Comment
  LA30846  Keckiella cordifolia Peter H. Raven; 1959-3-8 C 141 Los Angeles 335 Comment
  RSA401771A  Keckiella cordifolia Christopher Davidson, B. Gustafson 1975-6-24 2873 Los Angeles Big Tujunga Canyon. On Road 2N78, ca. 5 mi. NE of Sunland. 686 Comment
  UC1587694  Keckiella cordifolia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5217 Los Angeles se end San Clemente Island (vicinity of Knob, se draw leading into upper Knob Canyon, 5100 ft nw of Guds) 251 Comment
  RSA400476  Keckiella ternata subsp. ternata Unspecified 1983-7-18 2776 Los Angeles San Gabriel Mountains, Angeles Crest Highway at the junction of the Mt. Wilson turnoff. 1463 Comment
  CAS-BOT-BC238331  Keckiella ternata var. septentrionalis Ernest C. Twisselmann 1959-6-2 5320 Los Angeles Old Ridge Route, 1.25 mile north of Quail Lake Fire Station 1219 Comment
  RSA87127  Koeleria macrantha F. W. Peirson 1918-6-30 1597 Los Angeles Summit of Mt. Wilson, San Gabriel Mountains. Comment
  UCR139370  Koeleria macrantha I. M. Johnston 1917-7-1 1520 Los Angeles San Gabriel Mtns., Brown's Flat 1372 Comment
  UCR177578  Krascheninnikovia lanata LeRoy Gross 2005-5-3 2191 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  UCR190720  Krascheninnikovia lanata R. G. Swinney 2001-4-18 7927 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  SFV18162  Lactuca serriola J. N. Hogue 1997-7-10 91 .1 Los Angeles Los Angeles, Eagle Rock. 152 Comment
  CAS-BOT-BC273831  Lamarckia aurea Marcus E. Jones 1882-5-1 3214 Los Angeles Los Angeles Comment
  UC70981  Lamarckia aurea Joseph Burtt Davy 1902-3-22 Los Angeles Claremont Comment
  UCSB400  Lamarckia aurea Kraebel, C. 1932-6-20 Los Angeles San Dimas SRE plots 303-304 (denuded) Comment
  SFV9163  Lamium amplexicaule J. Turner, F. M. Ball 1963-4-3 s. n. Los Angeles San Gabriel Valley La Verne. Yard of long-destroyed house near Puddingstone Reservoir. 305 Comment
  SBBG54761  Lamium amplexicaule K. C. Hughes 1960-3-15 7 Los Angeles vacant lot just N of Honnold Library, Pomona College, Claremont 365 Comment
  UCLA55492  Lamium amplexicaule Louis C. Wheeler 1933-7-14 1937 Los Angeles near Rio Hondo; Potrero Chico 68 Comment
  RSA772165  Larrea tridentata R. G. Swinney 2009-5-12 10743 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  RSA612075  Lastarriaea coriacea Valerie L. Soza 1998-4-26 64 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  POM361498  Lasthenia californica E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  UCR127057  Lasthenia glabrata subsp. coulteri Mark A. Elvin, Cathleen Weigand 2003-4-7 2435 Los Angeles Castaic Valley, Newhall Ranch, junction of Hasley Canyon and Castaic Creek 335 Comment
  RSA659733  Lasthenia gracilis Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 91 Los Angeles San Clemente Island. Comment
  SEINET11447696 Image available Lasthenia gracilis G. B. Grant 1905-1 98 Los Angeles Vicinity of Pasadena Comment
  UCR225775  Lasthenia microglossa Dave Silverman, Cindy Hopkins 2007-4-27 6769 Los Angeles SW Tehachapi Mountains, Tejon Ranch, 1.2 km south of Kern County line, 1.2 km due north of Oso Canyon and 1.3 km south of National Cement Plant 1053 Comment
  RSA651391  Lathyrus laetiflorus subsp. barbarae P. H. Raven, Henry J. Thompson 1960-4-24 15119 Los Angeles Santa Monica Mountains, Decer [Decker] Road about 2 miles north of Coast Highway. 244 Comment
  RSA405675  Lathyrus vestitus subsp. laetiflorus F. R. Fosberg 1931-3-1 S- 4219 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  CAS-BOT-BC321525  Layia glandulosa Louis C. Wheeler 1932-4-9 567 Los Angeles 4 mi W of Fairmont, Mohave Desert 914 Comment
  CAS-BOT-BC321538  Layia glandulosa Timothy S. Ross; Victor W. Steinmann 1995-5-8 8559 Los Angeles Liebrel Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  RSA0034180  Layia glandulosa Pam De Vries 2013-4-13 7847 Los Angeles About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1054 Comment
  RSA361619  Layia glandulosa Fordyce Grinnell Jr 1921-4-3 s.n. Los Angeles Tujunga Wash Comment
  UCR163321  Layia glandulosa B. G. Pitzer 1998-5-12 3708 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  JEPS85113  Layia glandulosa Roy E. Buck and Rexford Palmer 1989-4-29 1229 Los Angeles ca. 2.5 air km nw of confluence of Gorman Creek and Hungry Valley drainage; Lower Hungry Valley 929 Comment
  POM9942  Layia glandulosa F. W. Peirson 1921-7-3 s.n. Los Angeles 2 miles east of Rock Creek 2287 Comment
  RSA497612  Layia glandulosa A. C. Sanders, B. Pitzer, I. G. Lyman 1988-4-4 7768 Los Angeles Mojave Desertr, near Quartz Hill in Lancaster, S of Ave, at 37th Street West 747 Comment
  SFV4011  Layia platyglossa K. A. Wilson 1961-4-10 1142 Los Angeles Santa Susana Mountains Southern arm of Bee Canyon-Mission Point (or Peak) area. 762 Comment
  UC284183  Layia platyglossa P. A. Munz 1923-4-9 6673 Los Angeles e coast San Clemente Island Comment
  UCR216383  Layia platyglossa Dan S. Cooper 2010-5-10 510- 47 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Oak Canyon, Griffith Park 305 Comment
  RSA597142  Lemna minuta L. C. Wheeler 1961-2-28 7801 Los Angeles Santa Monica Mountains. Griffith Park, Ferndell. Comment
  SEINET10630450  Lens culinaris Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2639 Los Angeles City of Pasadena. Lake Produce Center, 752 N. Lake. Comment
  CATA45  Lepechinia fragrans Mark L. Hoefs, A. Douglas Propst 1973-3-3 26 Los Angeles Santa Catalina Island: East slope of Mt. Black Jack 365 Comment
  POM243681  Lepechinia fragrans F. R. Fosberg 1931-5-6 34786 Los Angeles Santa Catalina Island. Cape Canyon. 10 Comment
  SBBG71593  Lepechinia fragrans M. N. Ackley 1927-6-5 Los Angeles Switzerland Trail Comment
  RSA0050040  Lepechinia fragrans Wendy Boes, Andrew Wheeler 2009-6-21 2009 024 b Los Angeles San Gabriel Mountains; Peacock Saddle off Forest Rd. 2N05 (Glendora Ridge Road) 1128 Comment
  RSA184049  Lepidium fremontii I. L. Wiggins 1966-4-15 20587 Los Angeles Desert wash immediately east of J. F. L. Motel, Pearlblossom. Mohave Desert. Comment
  RSA585353  Lepidium fremontii Timothy S. Ross 1991-4-27 4717 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA727338  Lepidium fremontii var. fremontii R. G. Swinney 1998-5-16 6059 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1305 Comment
  RSA534117  Lepidium lasiocarpum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5100 Los Angeles San Clemente Island, N Head, WNW of the new Landing field 15 Comment
  POM246460  Lepidium nitidum F. R. Fosberg 1931-4-15 4638 Los Angeles Eagles Nest, Middle Ranch Canyon Santa Catalina Island 210 Comment
  RSA709464  Lepidium strictum A. C. Sanders 2005-5-1 29835 Los Angeles Los Angeles Natural History Museum, Exposition Park, Los Angeles. 53 Comment
  SBBG133345  Lepidium strictum S. C. white, J. Green 2004-4-23 10229 Los Angeles Arroyo Seco at La Loma Rd bridge crossing; Pasadena 213 Comment
  UCR274092  Lepidium strictum Steven A. Junak 2000-5-19 SCa- 1308 Los Angeles California Islands, Santa Catalina Island, along road on southeast side of Echo Lake 390 Comment
  RSA660129  Lepidium virginicum var. pubescens Orlando Mistretta 1992-6-12 539 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA746629  Lepidium virginicum var. pubescens R. G. Swinney 2008-4-10 8641 -B Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  CAS-BOT-BC328058  Lepidospartum squamatum J. Ewan 1931-10-24 5272 Los Angeles 1 mile above Malibu Lake. Santa Monica Mts. Comment
  CAS-BOT-BC328083  Lepidospartum squamatum Fordyce Grinnell 1915-9-4 s.n. Los Angeles Upper Arroyo Seco Canon. San Gabriel Mts. Comment
  CDA8160  Lepidospartum squamatum J. B. Cook, J. Mann 1963-10-3 Los Angeles 1634 Houston Court, Claremont. 0 Comment
  JEPS37163  Lepidospartum squamatum F. W. Peirson 1918-10-16 275 Los Angeles Pacoima Canyon San Gabriel Mts., Pacoima Canyon 518 Comment
  UCR137146  Leptochloa uninervia Geo. L. Moxley 1917-9-19 639 Los Angeles Oakwood Ave. [between Beverly Blvd. & Melrose Ave., south of West Hollywood, vicinity of La Brea Ave.], Los Angeles 76 Comment
  RSA657468  Leptodactylon californicum subsp. glandulosum J. Keeling 1980-6-1 24 Los Angeles Next to west side of Angeles Crest Highway, 3 miles from Foothill Blvd. La Canada. 457 Comment
  UCR280528  Leptosiphon aureus subsp. aureus R. G. Swinney 2014-4-10 16017 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  POM158010  Leptosiphon bicolor M. B. Dunkle 1928-3-31 1795 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  RSA73037  Leptosiphon breviculus F. W. Peirson 1926-4-27 6665 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  RSA0095152  Leptosiphon breviculus Orlando Mistretta 1992-5-25 436 Los Angeles Fenner Canyon Conservation Camp. Comment
  POM128995  Leptosiphon parviflorus Thos. Craig 1927-6-15 397 Los Angeles At dam near mouth of Cobal Canyon, above Claremont. Comment
  UCR202714  Lessingia filaginifolia R. G. Swinney 2001-8-18 8062 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  CAS-BOT-BC339272  Lessingia glandulifera var. glandulifera B. Ertter; J. Strachan 1979-6-29 3008 Los Angeles N edge of Angeles Nat'l Forest ca 9 air-miles ESE of Pearblossom, 1.7 mi N of Mile High on County Hwy N4 1463 Comment
  UC450851  Lessingia glandulifera var. glandulifera Fay A. MacFadden 1931-7-8 3080 Los Angeles Pacoima Wash; San Fernando Valley Comment
  POM19145  Lessingia glandulifera var. glandulifera P. A. Munz 1923-5-27 6897 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  RSA578140  Leymus cinereus Timothy S. Ross, W. Appleby 1993-5-19 7171 Los Angeles Western San Gabriel Mountains: ca 120 meters ESE of Wilson Canyon Saddle along old Forest Service loop road. 960 Comment
  OBI35691  Leymus condensatus Rebecca Cicoria 1982-5-8 65 Los Angeles Palos Verdes Peninsula: Sepulveda Cyn, along Si's Trl, Rolling Hills Comment
  UCR190876  Lilium humboldtii R. G. Swinney 1998-8-6 6699 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, granite cliff on east side c. 100 m below Fish Fork 1037 Comment
  UCR229154  Linanthus aureus Dan S. Cooper 2011-5-5 511- 50 A Los Angeles Western Mojave Desert, Antelope Valley, 5.4 mi southeast (119 deg. ) of Neenach, south of Ripley Reserve, south of Hwy 138 938 Comment
  JEPS22746  Linanthus breviculus Rimo Bacigalupi with Reino Alava 1958-7-20 6398 Los Angeles close Angeles Crest Highway (State Highway 2) (Charlton Flat); San Gabriel Mountains, Angeles National Forest 1623 Comment
  UCR205923  Linanthus breviculus R. G. Swinney 2008-5-5 8763 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR209216  Linanthus breviculus R. G. Swinney 2008-6-17 9059 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  CAS-BOT-BC226741  Linanthus californicus Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canon [Canyon], San Gabriel Mts Comment
  CAS-BOT-BC226751  Linanthus californicus Alva D. Day 1996-4-26 96 -2 Los Angeles San Gabriel Mts. N of Claremont and below Camp Baldy, Mt. Baldy Road near entrance to the lower of two tunnels Comment
  POM346550  Linanthus californicus Barry Burnell 1970-5-21 232 Los Angeles Evey Canyon, off of San Antonio Canyon Road. Drainage Area: Santa Ana River. 716 Comment
  RSA468482  Linanthus californicus H. L. Bauer 1932-03 15374 Los Angeles Brushy slope near Topanga. 671 Comment
  UC908264  Linanthus concinnus Frank W. Peirson 1928-6-2 7931 Los Angeles South Fork Rock Creek San Gabriel Mts. 1981 Comment
  RSA756588  Linanthus dichotomus Orlando Mistretta, Christine Mistretta 2008-4-30 2559 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  RSA400291  Linaria canadensis var. texana M. B. Dunkle 1939-4-2 s.n. Los Angeles San Clemente Island, S. E. point Comment
  CAS-BOT-BC426270  Lithophragma affine John I. Carlson 1918-4-24 118 Los Angeles Griffith Park Comment
  SFV12412  Lithophragma affine subsp. affine D. L. Koutnik, J. G. Cuti 1978-4-19 379 Los Angeles Verdugo Mountains On fire road through Stough Canyon to La Crescenta. 549 Comment
  RSA305702  Lithophragma affine subsp. mixtum Mark Hoefs, D. Propst 1973-5-4 211 Los Angeles Middle of Middle Ranch Canyon; Santa Catalina Island. 244 Comment
  UCR124420  Lithophragma tenellum B. C. Templeton 1932-5-31 4878 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UC29185  Lobelia dunnii var. serrata H. M. Hall 1896-8-13 305 Los Angeles San Gabriel Mountains, San Antonio Canyon San Antonio Canyon; San Gabriel Mountains, San Antonio Canyon Comment
  RSA436049  Lobularia maritima Freda Detmers 1930-1-18 s.n. Los Angeles Sand and Gravel of dry creek bed, Verdugo Hills Comment
  CAS-BOT-BC342195  Logfia filaginoides F. W. Peirson 1921-6-20 5278 Los Angeles West fork San Gabriel River, San Gabriel Mts. 533 Comment
  CAS-BOT-BC342197  Logfia filaginoides Alice Eastwood 1906-5-27 54 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  SBBG109042  Logfia gallica S. A. Junak 1996-5-30 SCl 553 Los Angeles top of E escarpment, just S of Twin Dams Cyn, ca. 0.8 mi NE of Camera Pad Boulder 1 381 Comment
  CAS-BOT-BC283440  Lolium multiflorum A. H. Gallup 1949-6-11 s.n. Los Angeles Eastern foot of Tallac Knoll, LASCA Comment
  UC1109345  Lolium multiflorum Peter H. Raven 1962-4-12 17348 Los Angeles Wilson Cove San Clemente Island (near docks); , Wilson Cove 15 Comment
  RSA732539  Lomatium dasycarpum A. C. Sanders 2003-4-29 26171 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, N of Charlie Canyon and E Lake Hughes Rd. 396 Comment
  LA203573  Lomatium dasycarpum subsp. dasycarpum A. M. Johnson; 1932-4-23 4039 Los Angeles Claremont Comment
  POM3254  Lomatium dasycarpum subsp. dasycarpum C. F. Baker 1904-04 4752 Los Angeles Claremont. 365 Comment
  RSA596071  Lomatium mohavense L. C. Wheeler 1967-5-12 9476 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA599327  Lomatium mohavense subsp. longilobum Steve Boyd, Lauren Raz 1997-3-26 9355 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
  SD104887  Lomatium mohavense subsp. longilobum Darley Howe 1979-4-30 5087 Los Angeles 2 miles northwest of Devil's Punch Bowl 1435 Comment
  UC1400393  Lomatium nevadense var. parishii Robert F. Thorne 1973-5-11 43517 Los Angeles N of Shoemaker Canyon between Mile High and Valyermo Sam Gabriel Mountains 1341 Comment
  UC1605258  Lomatium nevadense var. parishii Timothy S. Ross 1994-5-31 7969 Los Angeles flat granite ridgetop ca. 800 m. w.-n.w. of summit Pacifico Mt. (San Gabriel Mts.); San Gabriel Mts. 2060 Comment
  UC1123053  Lomatium utriculatum A. D. Gifford 1935-4-15 582 Los Angeles 1 mi. n.e. Quail Lake; Tejon Quad. Comment
  UC1618037  Lomatium utriculatum Donald G. Nelson 1935-4-15 310 a Los Angeles near the harbor Wilmington Comment
  RSA452145  Lomatium vaginatum Robert Gustafson 1978-5-2 891 Los Angeles Off dirt road leading into Hungry Valley 0.2 mile from the junction with the 2-lane paved Peace Valley Rd., west of Gorman 1249 Comment
  CAS-BOT-BC240500  Lonicera hispidula E. R. Blakley 1962-10-6 5474 Los Angeles Between reservoirs in Bullrush Canyon. Santa Catalina Island 274 Comment
  RSA455379  Lonicera subspicata var. denudata B. C. Templeton 1930-6-17 1093 Los Angeles Franks [Franklin] Canyon, north of Beverly Hills. Comment
  RSA547468  Lonicera subspicata var. denudata T. S. Ross, Orlando Mistretta 1992-7-24 6739 Los Angeles San Gabriel Mountains; NNE of Strawberry Peak between Coldwater and Wickiup Canyons. 987 Comment
  RSA406759  Lotus argophyllus subsp. ornithopus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  RSA213376  Lotus argophyllus subsp. ornithopus M. B. Dunkle 1939-4-4 7252 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  RSA526616  Lotus argophyllus subsp. ornithopus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 s.n. Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  UC729811  Lotus argophyllus var. argenteus Carl B. Wolf 1932-5-10 Los Angeles back of Avalon (summit of the Equestrian Trail); Santa Catalina Island 304 Comment
  RSA549166  Lotus crassifolius var. crassifolius T. S. Ross 1990-6-20 3661 B Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA778744  Lotus grandiflorus var. grandiflorus Orlando Mistretta, Christine Mistretta 2010-6-4 5250 Los Angeles Mill Creek Canyon, 2.5 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor, W slope of Rabbit Pk. 1433 Comment
  JEPS65137  Lotus heermannii Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  POM7441  Lotus heermannii var. heermannii C. F. Baker 1903-8-2 7478 Los Angeles San Gabriel Mountains: San Antonio Canyon near Claremont. Comment
  UCR223507  Lotus nevadensis R. G. Swinney 2009-5-28 10943 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA230376  Lotus nevadensis var. davidsonii R. F. Thorne 1969-7-10 38372 Los Angeles San Gabriel Mts., Angeles National Forest: Upper end of Vincent's Gulch just below parking lot at Vincent's Gap 1996 Comment
  JEPS8612  Lotus oblongifolius var. oblongifolius Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4205 Los Angeles 8.8 mi w (below) Messenger Flat Forest Service Public Camp (at crossing of North Fork Pacoima Creek); San Gabriel Mountains, Angeles National Forest 1188 Comment
  RSA733282  Lotus procumbens R. G. Swinney 2001-6-16 7977 Los Angeles San Gabriel Mtns.: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
  JEPS55751  Lotus procumbens var. procumbens H. M. Hall 1905-6-16 6264 Los Angeles Tejon Pass 1188 Comment
  SEINET10484095  Lotus purshianus var. purshianus Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4786 Los Angeles Santa Catalina Island; Catalina Conservancy Land, KBRT Radio transmitting station - The Womans Club Grove. 5 miles northwest of the city of Avalon. Colletions made in cooperation with the Catalina Conservancy. 410 Comment
  UCR124586  Lotus salsuginosus B. C. Templeton, I. W. Clokey 1930-4-8 1044 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  UCR149365  Lotus salsuginosus Scott D. White, Brian Leatherman 2003-11-17 9856 Los Angeles San Gabriel Mtns, Big Dalton Canyon, above Glendora. Big Dalton Canyon Road, above reservoir 549 Comment
  RSA406818  Lotus salsuginosus var. salsuginosus Howard Mullins 1931-5-9 s.n. Los Angeles Griffith Park Comment
  RSA406842  Lotus scoparius Mullins 1931-3-1 s.n. Los Angeles El Segundo Dunes. Comment
  RSA647931  Lotus scoparius Michelle Manolovitz, Brian Willie 1992-4-27 6 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 200 feet northwest of park office. Comment
  RSA649811  Lotus scoparius Matt Brooks 1988-5-7 32 Los Angeles Whittier, Dark Canyon 1.7 miles east of its confluence with Sycamore Canyon. Comment
  RSA660473  Lotus scoparius Ian Thompson 1997-3-22 43 Los Angeles Cal Poly Pomona Ecological Reserve, Southwest facing slope East of Culvert Canyon. Comment
  RSA0039314  Lotus scoparius var. brevialatus R. Munkittrick 1948-5-7 s.n. Los Angeles Near Claremont. Area near foothills of mtn. range. Comment
  JEPS55848  Lotus strigosus W. L. Jepson 1920-5-3 8923 Los Angeles near Newhall Comment
  UC1871039  Lotus strigosus T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3953 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  POM156655  Lotus strigosus var. hirtellus L. R. Abrams 1903-4-9 3238 Los Angeles Inglewood Comment
  RSA406354  Lotus wrangelianus M. B. Dunkle 1932-6-2 2169 Los Angeles Santa Catalina Island. White's landing Comment
  UC200754  Lotus wrangelianus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  POM355465  Ludwigia peploides subsp. peploides Wm. Martin 1971-8-11 s.n. Los Angeles Along drainage of Malibu Creek, vicinity of Tapia Park. Comment
  LA32251  Ludwigia peploides subsp. peploides Peter H. Raven; Henry J. Thompson 1959-10-14 14630 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA355466  Ludwigia peploides subsp. peploides Louis C. Wheeler 1932-10-14 1432 Los Angeles Rio Hondo. 58 Comment
  UC56481  Ludwigia peploides subsp. peploides H. M. Hall 1902-5-13 3288 Los Angeles near Fullerton Comment
  CAS-BOT-BC201199  Lupinus P. A. Munz 1923-8-31 7674 Los Angeles Swartout [Swarthout] Valley, San Gabriel Mts. 2560 Comment
  RSA755944  Lupinus R. G. Swinney 2008-7-25 9306 Los Angeles Twin Peaks, east peak 2357 Comment
  UCR191517  Lupinus R. G. Swinney 1998-7-8 6315 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR230247  Lupinus Dan S. Cooper 2011-4-7 411- 11 Los Angeles South Coast, Playa Vista, base of Westchester Bluffs 27 Comment
  RSA646988  Lupinus agardhianus LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 200 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge . 488 Comment
  UCR159157  Lupinus andersonii R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats 473 Comment
  RSA0077376  Lupinus andersonii Orlando Mistretta 1992-7-13 675 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  SEINET10488503  Lupinus arboreus Kelly 1986-4-30 Kelly 4113 Los Angeles Baldwin hills, near radio towers above co park off la cienega blvd. Disturbed coastal sage scrub. Comment
  RSA0110796  Lupinus bicolor R. G. Swinney 2011-4-28 14553 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam. 878 Comment
  UCR126731  Lupinus bicolor A. C. Sanders, Andy Thomson 2003-4-15 26005 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  UCR177533  Lupinus bicolor LeRoy Gross 2005-4-28 2165 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UCR256152  Lupinus bicolor R. G. Swinney 2010-6-4 13055 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
  UCR280882  Lupinus bicolor R. G. Swinney 2014-5-15 16531 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  RSA250389  Lupinus breweri var. grandiflorus R. F. Thorne, C. W. Tilforth, et al. 1972-8-11 42213 Los Angeles Flat summit of Mt. Waterman. 2409 Comment
  SFV1872  Lupinus chamissonis H. L. Bauer 1941-4-20 672 Los Angeles El Segundo. Sand dunes. 30 Comment
  RSA413485  Lupinus concinnus Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground. 1677 Comment
  SBBG108904  Lupinus concinnus S. A. Junak 1997-3-11 SCl 750 Los Angeles SE side of Sibara Ridge, ca. 0.35 mi S of Triangulation Pt Guds 112 Comment
  SBBG96754  Lupinus concinnus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4281 Los Angeles lower half of China Cyn, sand dunes at cyn mouth Comment
  UCR197747  Lupinus concinnus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 1 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  SEINET6068440  Lupinus concinnus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SEINET10485221  Lupinus densiflorus Charles Piper Smith 1932-6-25 Smith 4734 Los Angeles Fairmont, 2 mi. W (manzana). Comment
  RSA330795  Lupinus elatus Wayne E. Sawyer 1981-7-12 92 Los Angeles Junction of crest trail and trail to Crystal Lake area 0.15 miles S of Little Jimmy Spring 2302 Comment
  UC586831  Lupinus elatus Joseph Andorfer Ewan 1934-8-4 8323 Los Angeles Guffys Spring San Gabriel Mts., , Guffys Spring (Blue Ridge) 2438 Comment
  SBBG69071  Lupinus excubitus R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  RSA573741  Lupinus excubitus var. austromontanus T. S. Ross 1992-7-17 6725 Los Angeles ca 300 m W of the summit of Condor Peak, San Gabriel Mts. 1588 Comment
  LA205099  Lupinus excubitus var. johnstonii Carl Epling; 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  RSA152096  Lupinus excubitus var. johnstonii Wesley O. Griesel 1961-5-16 s.n. Los Angeles Hwy 2 near Cloudburst Summit 2043 Comment
  RSA0061216  Lupinus formosus var. robustus Daisie Huang, Bart O'Brien 2008-4-20 08042009 Los Angeles Off Hwy 1138, on 280th St. (dirt road). 274 Comment
  CATA1453  Lupinus hirsutissimus Mark L. Hoefs, Robert F. Thorne 1996-4-6 2635 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  OBI69270  Lupinus hirsutissimus John Knapp, Denise Knapp 2003-4-13 11 Los Angeles Catalina Island 44 Comment
  SBBG133411  Lupinus hirsutissimus S. A. Junak, J. Lambert 2005-3-1 Los Angeles N of Mosquito Cove Cyn 358 Comment
  UC15879  Lupinus hirsutissimus J. H. Barber 1897-3-15 57 Los Angeles Sta Monica Expt Station Comment
  RSA87210  Lupinus hyacinthinus F. W. Peirson 1918-6-10 89 Los Angeles Summit of San Gabriel Peak 1860 Comment
  CAS-BOT-BC211712  Lupinus longifolius Peter H. Raven 1959-5-3 12070 Los Angeles Along Mulholland Drive, 0.5 miles east of Beverly Glen Boulevard, Santa Monica Mountains 381 Comment
  RSA612436  Lupinus longifolius Bill Campbell 1932-4-23 s.n. Los Angeles Santa Monica Mountains; Los Alisos canyon. Comment
  SFV16158  Lupinus longifolius P. A. Krueger 1994-5-11 15 Los Angeles San Gabriel Mountains 0.7 miles on 2N24 from Highway 39. 650 Comment
  SEINET10485604  Lupinus longifolius David B. Dunn 1957-4-2 Dunn s.n. Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  UCR78141  Lupinus microcarpus Wandalee Thompson 1964-4-17 17 Los Angeles San Gabriel Mtns., Liebre Mountains, near Green Valley, San Francisquito Canyon 854 Comment
  SBBG69044  Lupinus microcarpus var. densiflorus R. Hoffmann 1925-4-19 Los Angeles E side of Bouquet Cyn Comment
  RSA0070132  Lupinus odoratus Orlando Mistretta, Christine Mistretta 2003-4-30 1983 Los Angeles Saddleback Butte State Park. 824 Comment
  IRVC26946  Lupinus sparsiflorus A. C. Sanders, Tricia Wotipka 2003-4-28 26096 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA710388  Lupinus sparsiflorus LeRoy Gross 2005-5-3 2183 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
  RSA414252  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1945-5-1 2181 Los Angeles Santa Monica Mountains 762 Comment
  SD37927  Lupinus succulentus Edith A. Purer 1935-5-11 6588 Los Angeles Milibou Road, Santa Monica Mountains. Comment
  UCR214590  Lupinus succulentus A. C. Sanders, Dan S. Cooper 2010-4-30 38117 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  OBI70652  Lupinus succulentus Tim Ross 1991-3-9 4180 Los Angeles Whittier Hills (Puente Hills, pro parte) SE side of ridgetop knoll, head of Oak Cyn; T2S R11W; center of NW/4 sect 14 369 Comment
  RSA128275  Lupinus succulentus H. J. Thompson 1959-3-27 1900 Los Angeles Cold Canyon Road, 3 miles south west of Calabasas 427 Comment
  JEPS65495  Lupinus truncatus Frank W. Peirson 1919-3-27 360 Los Angeles Arroyo Seco Canyon San Gabriel Mts. 411 Comment
  POM2390  Lupinus truncatus L. R. Abrams 1899-03 369 Los Angeles Ballona Harbor Comment
  UC729581  Lupinus truncatus Carl B. Wolf 1932-5-9 3480 Los Angeles left (E.) Fork of Pebbly Beach Canyon Santa Catalina Island (1/3 mi above Mexican Houses); , left (E.) Fork Pebbly Beach Canyon 152 Comment
  UCD109654  Lupinus truncatus P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Canyon by golf-links, Avalon. Comment
  UCR50689  Lupinus truncatus Lyman Benson 1945-5-11 11705 Los Angeles San Gabriel Mountains, Canyon below Johnson's Pasture, above Claremont 549 Comment
  UCR164122  Lycium andersonii T. B. Salvato, Sandra Murcia 2005-11-1 1245 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel east of 46th St., 0.1 mi past Hwy 138 on Palmdale Blvd, and south of Avenue Q 793 Comment
  RSA83442  Lycopus americanus F. W. Peirson 1908-9-2 1075 Los Angeles Banks of Rio Hondo, El Monte. Comment
  POM18979  Lyonothamnus floribundus subsp. aspleniifolius Philip A. Munz 1923-4-10 6758 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast 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
  RSA578204  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8188 Los Angeles Santa Catalina Island. 1150m SW from the Catalina Airfield runway, along rocky, shallow draw, ultimately draining to Little Harbor. 277 Comment
  POM308912  Lythrum californicum Unspecified 1942-5-22 627 Los Angeles trail to Flumes 4 and 5 N side, San Dimas Experimental Forest, San Gabriel Mt. Comment
  RSA0011278  Lythrum hyssopifolia Orlando Mistretta, Christine Mistretta 2008-5-5 2638 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Area 19 per TRTP Survey 2008), in the vicinity of Eaton Canyon, N of New York Drive. 320 Comment
  RSA774797  Madia gracilis R. G. Swinney 2009-7-23 11393 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG52888  Malacothamnus clementinus F. C. Boutin 1967-4-23 1653 Los Angeles Lemon Tank 304 Comment
  POM153291  Malacothamnus davidsonii P. A. Munz, Johnson 1928-9-4 11138 Los Angeles Pacoima Wash, near San Fernando. Comment
  RSA561610  Malacothamnus davidsonii Steve Boyd, Orlando Mistretta 1993-5-18 8159 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Ridge dividing Hog and Schoolhouse Canyons. 701 Comment
  SJSU13238  Malacothamnus davidsonii C. W. Sharsmith 1946-10-20 5499 Los Angeles upper Haines Canyon, San Gabriel Mts 853 Comment
  POM243808  Malacothamnus fasciculatus F. R. Fosberg 1931-7-14 S- 5406 Los Angeles Whites Landing, Santa Catalina Island. 5 Comment
  CATA28  Malacothamnus fasciculatus var. catalinensis USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 11 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  SBBG72790  Malacothamnus fasciculatus var. fasciculatus R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  RSA609143  Malacothamnus fasciculatus var. laxiflorus Louis C. Wheeler 1932-6-18 837 Los Angeles San Dimas Wash 381 Comment
  JEPS26402  Malacothamnus marrubioides F. W. Peirson 1921-7-1 774 Los Angeles Arraster Creek, San Gabriel Mts., Los Angeles Co. Comment
  RSA0091197  Malacothamnus orbiculatus Bonnie C. Templeton 1952-6-19 s.n. Los Angeles Bouquet Canyon. Comment
  UC75901  Malacothrix californica Geo. B. Grant 1901-1 745 Los Angeles Arcadia Comment
  RSA0053899  Malacothrix clevelandii R. G. Swinney 2010-5-11 12633 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA710599  Malacothrix clevelandii R. K. Brummitt, S. D. Boyd 1998-5-25 20023 Los Angeles NW end of San Gabriel Mtns., 12 km N of San Fernando just E of Rte. 14 545 Comment
  SD230177  Malacothrix clevelandii Louis C. Wheeler 1968-5-24 Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1250 Comment
  UCR263281  Malacothrix clevelandii Anuja Parikh, Nathan Gale 2012-5-10 3591 Los Angeles Transverse Range: San Gabriel Mountains, west bank of the West Fork San Gabriel River, just south of concrete river crossing 830 Comment
  SBBG101134  Malacothrix foliosa subsp. foliosa T. Ross, E. Kellogg 1992-4-13 6146 Los Angeles vicinity of Darter, (340 degrees NNW, 1140 m distant from 199' Benchmark near Flasher;, ca. 250 m NNW of shifting sands) 18 Comment
  SBBG18363  Malacothrix glabrata M. A. Piehl 1963-5-30 63504 Los Angeles St Hwy 138, ca. 1.5 mi W of SBD county line 1213 Comment
  RSA0116453  Malacothrix saxatilis R. G. Swinney 2010-8-11 13503 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  UCR258561  Malacothrix saxatilis R. G. Swinney 2010-5-29 13011 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  JEPS30673  Malacothrix saxatilis var. tenuifolia Peter H. Raven and Henry J. Thompson 1959-9-6 14378 Los Angeles mouth Malibu Creek; Santa Monica Mountains 12 Comment
  JEPS36608  Malacothrix saxatilis var. tenuifolia Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  RSA643393  Malacothrix saxatilis var. tenuifolia Orlando Mistretta 1992-9-16 812 Los Angeles San Gabriel Mountains: Near Oak Springs. Oak Springs Trail; Tujunga Ranger District. 792 Comment
  SEINET11808093  Malacothrix saxatilis var. tenuifolia S. B. Parish, Parish, W. F. 1882-1 1132 Los Angeles Santa Monica Comment
  RSA0116829  Malosma laurina R. G. Swinney 2010-8-11 13489 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA226030  Malvella leprosa Robert F. Thorne, C. W. Tilforth 1971-6-29 40648 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.6 mi. above Little Rock Dam near reservoir Campground 976 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
  UCR263072  Marah Mitch Provance 2008-4-14 10149 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
  CATA982  Marah fabacea Mark L. Hoefs 1994-5-21 1853 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  CDA42221  Marah macrocarpa S. Minor 2008-5-6 PDR# 1440786 Los Angeles Los Angeles, 948 Stone Canyon Rd. 0 Comment
  UCR258844  Marah macrocarpa R. G. Swinney 2010-3-22 12040 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR261770  Marah macrocarpa R. G. Swinney 2010-2-27 11739 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCSB10561  Marah macrocarpa Lloyd, Robert 1959-3-3 Los Angeles Corner of Hillcrest and North Hill Rd. in the Ganesha Hills north of Pomona; San Gabriel Mt. Range; Pacific Ocean drainage area 274 Comment
  RSA586339  Marah macrocarpa var. macrocarpa Orlando Mistretta 1995-3-17 1556 Los Angeles Northwest of Little Rock Reservoir, on Emma section of Little Rock Creek Management Unit 1066 Comment
  RSA0022524  Marrubium vulgare Duncan S. Bell, Caitlin Elam 2013-6-24 5248 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  SEINET4044529  Marrubium vulgare D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  RSA33471  Marrubium vulgare T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Palos Verdes Hills. Comment
  RSA648999  Marrubium vulgare Scott Lowe 1991-5-12 27 Los Angeles San Gabriel River channel, about 600 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  UC66831  Marrubium vulgare N. K. Berg 1904-3-29 Los Angeles Los Angeles Boyle Height Comment
  UCR265518  Matricaria discoidea Dan S. Cooper 2015-4-3 315- 16 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon, above Travel Town, Los Angeles 180 Comment
  LA88548  Matricaria discoidea O. H. Kappler; 1943-5-2 394 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA696047  Matricaria suaveolens Helen Stanley s.n. Los Angeles Roadside. Comment
Read comments
Jun 12 2019
  UC450917  Meconella denticulata F. A. M. 1931-3-29 16 E Los Angeles Tuna Canyon Verduga Hills 335 Comment
  RSA599694  Medicago lupulina L. C. Wheeler 1936-6-12 4154 Los Angeles Monroe Canyon. 549 Comment
  CATA1135  Medicago polymorpha Mark L. Hoefs 1995-5-23 2125 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  SBBG133373  Medicago polymorpha J. Lambert, S. McDonough 2005-4-6 Bot 53 -05 Los Angeles Swat 2 near roadside 16 Comment
  CHSC106485  Medicago sativa K. Dobry 1991-6-24 733 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  CHSC95864  Medicago sativa LeRoy Gross 2002-6-24 543 Los Angeles Transverse Ranges: Verdugo Mountains Region: Along La Tuna Canyon Road. 488 Comment
  RSA626113  Melica imperfecta LeRoy Gross 1999-4-29 143 Los Angeles East end; Rice Canyon, north on interstate 5, exit Calgrove Ave. turn left to The Old Road, City of Newhall 487 Comment
  UC818919  Melica imperfecta I. M. Johnston 1918-6-2 2021 Los Angeles Evey Canyon; San Antonio Mountains 914 Comment
  UCR213247  Melica imperfecta Dan S. Cooper 2010-3-26 20100326- 13 B Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, Lower Beacon Trail in SE corner of park 232 Comment
  RSA549531  Melica stricta var. albicaulis Timothy S. Ross, Steve Boyd 1990-6-18 3449 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA596199  Melilotus albus Lauren Raz, S. D. Boyd 1996-10-23 010 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  RSA127793  Melilotus albus Peter H. Raven, Henry J. Thompson 1959-9-6 14379 Los Angeles Near mouth of Malibu Creek. Santa Monica Mountains. 12 Comment
  UCR271907  Melilotus indicus R. G. Swinney 2010-5-7 12584 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  POM348181  Melilotus indicus Jack Rempel 1932-4-10 s.n. Los Angeles El Segundo. Comment
  SD51885  Melilotus indicus Peter H. Raven 1962-4-9 17128 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  UCSB3450  Melilotus indicus Haller, John 1950-3-30 Los Angeles UCLA Base of Faculty Hill, near Sunset Blvd. Comment
  RSA656766  Mentha Valerie L. Soza, Laura Moore 2000-6-14 1008 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  RSA596465  Mentha canadensis Lauren Raz, Steve D. Boyd 1996-10-23 3 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 610 Comment
  RSA446851  Mentzelia dispersa Anstruther Davidson 1892-6-12 s.n. Los Angeles Mt. Wilson. San Gabriel Mountains Comment
  RSA762063  Mentzelia dispersa Orlando Mistretta, Christine Mistretta 2008-5-16 3088 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 106 per TRTP Survey 2008), Upper Fish Canyon 1002 Comment
  RSA609060  Mentzelia micrantha Louis C. Wheeler 1931-4-8 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon.. 610 Comment
  RSA229021  Mentzelia montana Robert F. Thorne, C. W. Tilforth 1971-6-30 40792 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
  RSA599799  Mentzelia veatchiana Steve D. Boyd, Lauren Raz 1997-3-25 9291 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
  UCR213259  Mesembryanthemum crystallinum A. C. Sanders 2010-5-7 38331 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 3 Comment
  RSA402638  Mesembryanthemum nodiflorum Anstruther Davidson 1892-06 s.n. Los Angeles Catalina Island. Comment
  LA99117  Mesembryanthemum nodiflorum R. L. Armacost; 1962-7-20 1502 Los Angeles SANTA MONICA MOUNTAINS, Malibu Lagoon and salt marsh Comment
  RSA393760  Micropus californicus Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  SBBG130703  Microseris douglasii subsp. platycarpha S. A. Junak 2000-5-6 SCa 1262 Los Angeles above Goat Harbor, at upper end of burn 475 Comment
  UCR281963  Microseris lindleyi R. G. Swinney 2014-4-24 16196 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  RSA593010  Microsteris gracilis Steve Boyd 1996-5-1 8740 Los Angeles Liebre Mountains, western summit of Liebre Mountain, along Forest Service Road 7N23 ca 4 mile NE of jtn with 7N22, near the head of Cold Canyon. 1622 Comment
  RSA250689  Mimulus aurantiacus Robert F. Thorne 1971-4-2 41432 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  RSA612183  Mimulus aurantiacus Damian Ross 1997-4-19 28 Los Angeles Bernard Biological Field Station, Claremont Colleges. W of Infirmary Rd. about 30 feet off the road, about halfway up. 412 Comment
  SDSU19649  Mimulus aurantiacus var. parviflorus Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2205 Los Angeles San Clemente Island, south side of Eagle Canyon. 457 Comment
  UCR91378  Mimulus aurantiacus var. pubescens Scott D. White 1995-3-15 2552 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
  RSA279125  Mimulus aurantiacus var. puniceus Robert F. Thorne, D. Propst, M. Hoefs 1974-9-12 45105 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  CLARK-A1528-861  Mimulus bigelovii John C. Roos 1941-4-12 195 Los Angeles Palmdale Comment
  UCR271984  Mimulus brevipes R. G. Swinney 2011-5-31 14898 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  SFV20866  Mimulus cardinalis L. Gross, N. Fraga, S. Williams 2002-7-17 556 Los Angeles Verdugo Mountains North side, La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 425 Comment
  UC125156  Mimulus cardinalis C. F. Baker 1903-8-2 3457 Los Angeles near Claremont; San Antonio Canyon Comment
  UCR264699  Mimulus constrictus Mitch Provance, Callen Huff 2009-4-28 10737 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  RSA228984  Mimulus floribundus Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38848 Los Angeles N facing slope above Angeles Crest Hwy N and below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  UCR203192  Mimulus floribundus R. G. Swinney 2005-5-21 8266 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  RSA435503  Mimulus floribundus F. R. Fosberg, Joseph A. Ewan 1931-8-10 4904 Los Angeles Crystal Lake, N fork San Gabriel River. San Gabriel Mountains. 1616 Comment
  LA35214  Mimulus guttatus Mary V. Hood; 1944-3-25 44- 5 -k* Los Angeles San Gabriel River Bird Sanctuary [Whittier Narrows Nature Center] 91 Comment
  LA51862  Mimulus guttatus Peter H. Raven; David S. Verity 1960-5-7 15348 Los Angeles Santa Monica Mountains, Cornell Corners, just W of Cornell Corners 228 Comment
  RSA442764  Mimulus guttatus Thekla Mohr 1915-1 3448 Los Angeles North Fork, San Gabriel River. Comment
  RSA724663  Mimulus guttatus K. Dobry 1991-5-13 510 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SBBG98516  Mimulus guttatus T. Ross 1991-5-23 5487 Los Angeles lower Tota Cyn 60 Comment
  UCD122700  Mimulus guttatus Lisa J. Seemann 1993-5-5 s.n. Los Angeles intersection of Elizabeth Lake Rd. and Ranch Club Dr. 1066 Comment
  RSA421061  Mimulus johnstonii Anstruther Davidson 1893-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA0056587  Mimulus johnstonii Tim S. Ross 1992-7-16 6707 Los Angeles San Gabriel Mountains: ENE side of Condor Peak. 1549 Comment
  RSA0028706  Mimulus longiflorus Regina Allen 1983-5-16 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. Comment
  RSA654415  Mimulus longiflorus Matt Brooks 1988-5-1 22 Los Angeles Whittier, Skyline Equestrian trail 0.5 miles south of its intersection with Turnbull Canyon Rd. Comment
  RSA602746  Mimulus moschatus Louis C. Wheeler 1967-8-1 10198 Los Angeles San Gabriel Mountains, Angeles National Forest: Fountainhead Spring, E slope Mt. Pacifico. 2012 Comment
  UCR209646  Mimulus moschatus R. G. Swinney 2008-7-2 9124 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  SBBG66694  Mimulus parishii R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  UCR270929  Mimulus pilosus R. G. Swinney 2011-5-26 14883 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
  UCR273244  Mimulus pilosus R. G. Swinney 2011-6-1 14945 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  POM17791  Mimulus pilosus P. A. Munz 1923-8-31 7699 Los Angeles Mescal Creek, San Gabriel Mountains 1951 Comment
  UCR95316  Mirabilis californica L. C. Wheeler 1967-4-30 9213 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of foothills (of San Gabriel Mtns), between Bouquet Junction and Bonelli Ranch 396 Comment
  UCR261325  Mirabilis laevis R. G. Swinney 2010-3-13 11875 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  CAS-BOT-BC434635  Mirabilis laevis var. crassifolia Geo. B. Grant 1901-6-23 4117 Los Angeles Pasadena Comment
  CAS-BOT-BC434637  Mirabilis laevis var. crassifolia Geo. B. Grant 1904-4-16 791 Los Angeles Los Angeles Comment
  RSA464660  Mirabilis laevis var. crassifolia E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon, near Monrovia, [San Gabriel Mountains]. Comment
  SBBG118442  Mirabilis laevis var. crassifolia J. Henrickson 1979-3-18 18167 Los Angeles ca. 7 mi N of Newhall in Dry Cyn S of Dry Cyn Reservoir 396 Comment
  UC1349051  Monanthochloe littoralis Robert F. Thorne and P. Everett 1965-5-11 34535 Los Angeles inside Ballast Point on e side of Catalina Harbor, Santa Catalina Island Ballast Point; Santa Catalina Island, Catalina Harbor, Ballast Point Comment
  RSA408576  Monardella australis subsp. cinerea F. R. Fosberg, Ewan 1931-8-12 791 Los Angeles Mt. Islip, near summit. 2440 Comment
  UCR282004  Monardella breweri subsp. breweri R. G. Swinney 2014-5-1 16312 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  CAS-BOT-BC219994  Monardella breweri subsp. lanceolata H. E. Hasse 1893-5-25 s.n. Los Angeles Acton Comment
  JEPS63340  Monardella breweri subsp. lanceolata Frank W. Peirson 1919-7-1 511 Los Angeles Fish Canyon San Gabriel Mts. 304 Comment
  UC1929644  Monardella exilis Scott D. White 2003-6-8 9508 Los Angeles W MOJAVE DESERT: Near Lake Los Angeles. North of Avenue O and east of 150th St. E. Comment
  LA202604  Monardella hypoleuca subsp. hypoleuca Carl Epling; 1936-10-15 sn Los Angeles Santa Monica Mountains, Topanga Canyon, Kneen's Camp Comment
  SD239800  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin, Adam Clause 2008-5-30 5972 Los Angeles Transverse Ranges: Santa Monica Mountains: Santa Ynez Canyon, ca. 300 m N of Verde De La Montura Road Comment
  RSA611353  Monolopia lanceolata Steve Boyd 1998-4-1 10129 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01 960 Comment
  RSA0010787  Morus alba Tim Turmezei 1988-3-2 35 Los Angeles Walnut Creek. Comment
  RSA0016885  Muhlenbergia californica K. Hamilton 1980-10-10 s.n. Los Angeles Forest Service Road 2N06 in Cow Canyon, 1/4 mile from Glendora Ridge Road, San Gabriel Mt Range. 1372 Comment
  UC122423  Muhlenbergia microsperma T. S. Brandegee 1890-5-13 Los Angeles Santa Catalina Island Comment
  UCR220226  Muhlenbergia microsperma R. G. Swinney 2009-4-3 10279 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  RSA0112525  Muhlenbergia rigens Richard G. Swinney 2011-10-13 15788 Los Angeles San Gabriel Mountains: Chilao Flat, jct. of Chilao flat rd. (north entrance) & Silver Moccosin Trail. 1582 Comment
  CAS-BOT-BC7238  Muilla coronata Charles Christopher Parry 1888-3-1 s.n. Los Angeles Lancaster Comment
  RSA598588  Muilla maritima L. C. Wheeler 1967-5-24 9727 Los Angeles San Gabriel Mountains: Indian Canyon 793 Comment
  UCR271482  Muilla maritima R. G. Swinney 2011-6-14 15146 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 1671 Comment
  UC1083343  Muilla maritima Herbert L. Mason 1926-4-26 2946 Los Angeles Pocoima Wash foothills of San Gabriel Mountains Comment
  RSA466284A  Narcissus tazetta A. C. Sanders 1988-2-3 7608 Los Angeles El Segundo Dunes, immediately W of LA..International Airport and Pershing Drive, E of Vista Del Mar Boulevard. 30 Comment
  CAS-BOT-BC259798  Nassella cernua Reid Moran 1941-2-16 570 Los Angeles On W side of ravine, Middle Ranch, San Clemente Island Comment
  RSA728783  Nassella cernua Gary D. Wallace 1979-4-19 1685 b Los Angeles Mojave Desert, w. of Fairmont along Lancaster Rd. Comment
  LA33436  Nassella lepida Peter H. Raven; 1959-5-3 14059 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. Comment
  UCD87888  Nassella lepida P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Comment
  UC199554  Nassella pulchra A. Davidson, M. D. 3222 Los Angeles 6 and Coronado St. Los Angeles Comment
  CDA29945  Nassella tenuissima Michael O Brien 2009-7-26 s.n. Los Angeles Topanga State Beach: in flood plain of Topanga Creek, in an area that used to be a historic community of shacks, bungalows, and mobile homes. 0 Comment
  UC303713  Navarretia hamata I. Johnston 1917-5-13 986 Los Angeles San Gabriel Wash 152 Comment
  UCR216683  Navarretia hamata subsp. hamata Dan S. Cooper 2010-5-13 510- 44 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, Griffith Park 549 Comment
  RSA469834  Navarretia hamata subsp. hamata Sam Tyson 1942-6-19 s.n. Los Angeles San Dimas Canyon, San Gabriel Mountains. 1067 Comment
  RSA187827  Navarretia hamata subsp. leptantha R. F. Thorne 1966-4-5 35844 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon 106 Comment
  RSA75129  Nemacladus pinnatifidus F. W. Peirson 1918-6-12 219 Los Angeles In area recently burned over, in hills east of Rubio Canyon, San Gabriel Mts. 548 Comment
  POM7590  Nemacladus ramosissimus P. A. Munz 1920-5-2 3827 Los Angeles San Dimas Canyon. 457 Comment
  SFV2988  Nemophila menziesii M. L. Vincent 1961-5-20 117 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles west of New Topanga Canyon Road, south of highway. 245 Comment
  UCR193674  Nemophila menziesii R. G. Swinney, Dave Larson 1999-6-25 7414 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA0042499  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 1126 Comment
  RSA289642  Nemophila menziesii var. menziesii Lyman Benson 1932-3-25 3147 Los Angeles San Gabriel Mountains. 1128 Comment
  RSA602553  Nicotiana attenuata Louis C. Wheeler 1967-8-8 10379 Los Angeles Angeles National Forest: Loomis Ranch, Alder Creek 1311 Comment
  CAS-BOT-BC231571  Nicotiana glauca Henry J. Thompson 1958-10-22 1809 Los Angeles Santa Monica Mountains. North slope of Mount Hollywood, Griffith Park 381 Comment
  OBI9179  Nicotiana glauca Unknown 1960-5-29 s.n. Los Angeles Chatsworth, Lake side Comment
  RSA624054  Nicotiana glauca Louis C. Wheeler 1967-5-23 9694 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA426753  Nicotiana obtusifolia Anstruther Davidson 1924-3-24 s.n. Los Angeles Tujunga trail; 1.5 mi. north of Switzer. Comment
  RSA764406  Nicotiana quadrivalvis Justin M. Wood 2009-9-9 1291 Los Angeles [City of Claremont;] Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SD237631  Nicotiana quadrivalvis A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37083 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santa Fe Flood Control Basin, N of Arrowy Hwy and south of Duarte (Baldwin park 7.5'Q) 139 Comment
  UC1861743  Nicotiana quadrivalvis Scott D. White, Pam DeVries 2004-6-14 10488 A Los Angeles Western Transverse Ranges: Eastern Santa Susana Mountains. 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. (Oat Mountain) 396 Comment
  SEINET10917756  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3970 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  POM219205  Notholaena californica subsp. californica L. C. Wheeler 1932-6-26 878 Los Angeles 6 mi. from mouth San Gabriel Canyon, San Gabriel Mts. 304 Comment
  CATA3054  Nuttallanthus texanus Amy Catalano 2016-3-25 066 Los Angeles Santa Catalina Island: On Fern Canyon Road, about 200 meters up the road 129 Comment
  UCSB10001  Nuttallanthus texanus Wedberg, H. 1958-2-22 Los Angeles On Point Dume Comment
  RSA505266  Oenothera californica subsp. californica S. Zona, D. Arias, O. R. Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 362 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  RSA230654  Oenothera californica subsp. californica Robert F. Thorne, M. Z. Thorne 1969-7-10 38444 Los Angeles Angeles National Forest: Jackson Lake 1860 Comment
  RSA119396  Oenothera deltoides subsp. deltoides William M. Klein 1958-6-3 287 Los Angeles 3.0 mi W of thje turn-off just n of Adelanto, on the road to Palmdale. Comment
  CAS-BOT-BC56819  Opuntia basilaris var. basilaris W. R. Dudley; F. H. Lamb 1896-6-7 4344 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  UCR269878  Opuntia basilaris var. brachyclada R. G. Swinney 2011-6-29 15339 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  POM311526  Opuntia littoralis Lyman Benson 1963-6-20 16344 Los Angeles Pomona. Puddingstone Ave. just north of Carrion Bridge. 244 Comment
  UCR276957  Opuntia phaeacantha R. G. Swinney 2010-6-1 13087 C Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  RSA587079  Opuntia ramosissima T. S. Ross, Steve Boyd 1991-3-23 4275 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  LA90264  Oreonana vestita F. R. Fosberg; 1931-8-12 5671 Los Angeles San Gabriel Mountains, Mt. Islip, Summit 2500.0 Comment
  UCR174494  Orobanche Anuja Parikh, Nathan Gale 2005-5-27 2112 Los Angeles Western Transverse Range; NE end of Santa Susana Mtns., Newhall Ranch, study area 49, hills just NW of Magic Mountain Theme Park 396 Comment
Read comments
May 22 2009
  RSA82088  Orobanche bulbosa Raymond J. Dobbs 1927-6-29 7681 Los Angeles trail to Strawberry Peak, from Switzer's, San Gabriel Mtns. 1372 Comment
  POM13535  Orobanche californica subsp. feudgei F. W. Peirson 1922-7-7 s.n. Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  POM353700  Orobanche cooperi Anstruther Davidson 1912 Los Angeles Little Rock. [San Gabriel Mts.] Comment
  RSA600017  Orobanche parishii subsp. parishii Steve Boyd, Lauren Raz 1997-5-29 9930 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1098 Comment
  RSA641080  Orobanche valida subsp. valida Orlando Mistretta 1995-7-6 1868 Los Angeles San Gabriel Mountains: Big Rock Creek. South Fork Campground, on south side of trail. (Orobanche valida survey site D). 1479 Comment
  RSA591921  Orthocarpus purpurascens var. purpurascens Louis C. Wheeler 1967-5-8 9317 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 412 Comment
  SEINET10600703  Oryzopsis miliacea Louis C. Wheeler 1967-7-30 Wheeler 10270 Los Angeles San Gabriel Mountains. All Trail CAnyon, BM 3434 near Tom Lucas campground. Sunny, moist sandy loam. 1006 Comment
  RSA601031  Osmorhiza berteroi L. C. Wheeler 1966-9-21 8919 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2439 Comment
  RSA721719  Osmorhiza brachypoda R. G. Swinney 1995-3-11 3382 Los Angeles Glendora, Big Dalton Canyon 378 Comment
  UCR189680  Osmorhiza brachypoda R. G. Swinney 1998-5-30 6171 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA458982  Osmorhiza brachypoda E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon Comment
  SEINET3132496  Osmorhiza brachypoda G. B. Grant 1371 Los Angeles Sierra Madre, Old Wilson Trail Comment
  RSA662676  Oxypolis occidentalis LeRoy Gross 2001-11-17 458 Los Angeles Just below trail From Three Points to Twin Peaks 1921 Comment
  RSA279604  Oxytheca parishii var. parishii James L. Reveal, Barbara J. Ertter 1976-6-29 4561 Los Angeles San Gabriel Mountains, along the Pacific Mountain Road, 1.3 mile west of Alder Saddle, 1.7 mile east of the turnoff to Pacifico Mountain 1814 Comment
  RSA392816  Oxytheca trilobata T. S. Brandegee 1889-05 s.n. Los Angeles Ravenna, south side. Comment
  RSA434246  Paeonia californica Charlotte Brown 1929-1-13 s.n. Los Angeles Sierra Madre. Little Santa Anita Canyon Comment
  SFV21979  Paeonia californica V. Soza, L. Gross, R. Kopelov 2000-3-30 659 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Northeastern side of La Tuna Canyon, north of 210 Freeway and La Tuna Canyon Road. South-southwest of Haines Canyon Ave. and Elmhurst Drive junction, Haines Canyon Park. West-facing slope of canyon sides in area cleared and open above near housing. 579 Comment
  RSA434251  Paeonia californica D. A. Young 1969-4-4 p 310 Los Angeles 3 miles NW of Chatsworth, S of Hwy 118 on Santa Susana Road. 293 Comment
  SEINET13387011 Image available Panicum capillare R. G. Swinney 2011-1 15382 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  UCR259086  Panicum capillare R. G. Swinney 2010-9-1 13664 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  SEINET10596831  Parapholis incurva Timothy S. Ross 1992-4-14 Ross 6183 Los Angeles San Clemente Island: Lemon Tank Road, 25 m ESE of its intersection with the main N-S island road. Locally common annual weed along ruts and margins of the road on hard-packed clay soil. Surrounding vegetation disturbed Stipa grassland with Trifolium spp.,. Achillea, Vulpia myuros, etc. 341 Comment
  RSA703494  Parietaria hespera var. hespera Scott D. White, Michael Honer 2004-6-24 10486 -B Los Angeles Pomona Valley / San Gabriel Mtn Foothills: City of Claremont; San Antonio Canyon alluvial fan, north of Baseline Ave. and west of concrete-lined flood control channel. 488 Comment
  RSA592892  Parietaria hespera var. hespera Louis C. Wheeler 1967-4-30 9227 Los Angeles Limekiln Canyon 564 Comment
  RSA715366  Parietaria judaica R. E. Riefner 2006-1-12 6 -13 Los Angeles South Coast: San Pedro, Point Fermin 13 Comment
  SD230294  Parnassia cirrata Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  CATA1507  Paspalum dilatatum Mark L. Hoefs, Steven A. Junak 1996-7-9 2720 Los Angeles Santa Catalina Island: By Middle Ranch Reservoir, Middle Canyon 201 Comment
  RSA613496  Paspalum dilatatum L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA751404  Paspalum notatum var. saurae R. E. Riefner Jr. 2004-8-22 04 -379 Los Angeles City of Pasadena, near the Rose Bowl Stadium, along Arroyo Blvd. 252 Comment
  RSA0063026  Pectocarya linearis subsp. ferocula LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7014 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
  UC1069000  Pectocarya linearis subsp. ferocula A. D. Gifford 1935-3-15 473 Los Angeles mouth Elizabeth Lake Canyon Comment
  UCR258763  Pectocarya linearis subsp. ferocula R. G. Swinney 2010-6-1 13130 Los Angeles San Gabriel Mountains, lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  UCR177234  Pectocarya platycarpa T. S. Ross 1991-4-28 4769 Los Angeles Mojave Desert; West Mojave Desert region, Adobe Mountain: southwesterly extension of the mountain 927 Comment
  SEINET2441553  Pectocarya setosa R. G. Swinney 2008-5-8 8789 Los Angeles San Gabriel Mtns.: West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. (Valyermo 7.5' Q.). 1264 Comment
  UC25029  Pectocarya setosa Dr. A. Davidson 1895-1 Los Angeles Lancaster Comment
  RSA401940A  Pedicularis densiflora Albert J. Perkins 1916-2-16 s.n. Los Angeles Glendora. Little Dalton Trail Comment
  RSA588084  Pedicularis semibarbata Orlando Mistretta 1994-5-31 1287 Los Angeles San Gabriel Mountains: Santiago Canyon: N slope of Pacifico Mountain. 2119 Comment
  CAS-BOT-BC67793  Pellaea andromedifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8430 Los Angeles Liebre Mountains - Texas Canyon: ca. 1.9 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quad. 585 Comment
  LA94136  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-6 1663 Los Angeles SANTA MONICA MOUNTAINS, ravine between Las Flores and Big Rock Rd, ca 0.25 mi above Hwy 1. 45 Comment
  RSA0091152  Pellaea andromedifolia R. G. Swinney 2011-11-1 15956 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  SD253316  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 Canyon (Glendora 7.5'Q) 476 Comment
  UC42642  Pellaea andromedifolia R. S. Norris June 1893 Los Angeles Catalina Island Comment
  UCR153974  Pellaea andromedifolia A. C. Sanders, T. B. Salvato 2005-4-26 29752 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  UCR231175  Pellaea mucronata Dan S. Cooper 2011-10-10 1011- 116 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, SW slope of Mt. Hollywood, just north of tunnels of Mt. Hollywood Dr. 369 Comment
  LA94133  Pellaea mucronata var. mucronata Peter H. Raven; Henry J. Thompson 1959-4-3 13912 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, 3.8 mi N of Pacific Coast Hwy. 548 Comment
  RSA0112552  Pellaea mucronata var. mucronata R. G. Swinney 2011-6-15 15173 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy. 1585 Comment
  CATA1413  Pennisetum clandestinum Mark L. Hoefs 1995-11-10 2566 Los Angeles Santa Catalina Island: Emerald Bay, just above beach 6 Comment
  RSA0060469  Pennisetum setaceum R. G. Swinney 2010-8-16 13544 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  UCR271460  Penstemon centranthifolius R. G. Swinney 2011-6-14 15156 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 1671 Comment
  RSA412445  Penstemon centranthifolius N. C. Cooper 1945-5-1 2221 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA650287  Penstemon centranthifolius Claude M. Finnell 1948-5-3 s.n. Los Angeles Found in [Angeles] National Forest on side of road. 5 miles from north boundary of Angeles Forest on Highway. 762 Comment
  RSA0116694  Penstemon grinnellii R. G. Swinney 2010-9-30 13941 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCR206265  Penstemon grinnellii R. G. Swinney 2008-6-4 8929 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  RSA305939  Penstemon grinnellii var. scrophularioides Fay A. MacFadden 1931-4-22 s.n. Los Angeles Spunky Canyon, off Bouquet Canyon. Comment
  PASA878  Penstemon heterophyllus Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA408097  Penstemon heterophyllus Bonnie C. Templeton 1930-5-27 1404 Los Angeles Near Mulholland Drive, Santa Monica Mountains. North of Beverly Hills. 600 Comment
  SBBG25466  Penstemon heterophyllus M. Vincent 1961-5-10 45 Los Angeles Malibu Cyn Rd 0.25 mi N of Tapia Park Comment
  SBBG17016  Penstemon heterophyllus var. australis M. Vincent 1961-5-10 45 Los Angeles Malibu Cyn road, 0.25 mi N of Tapia Park Comment
  UCR189834  Penstemon labrosus R. G. Swinney 1998-9-4 6885 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  SBBG118487  Penstemon labrosus O. Mistretta 1993-6-28 906 Los Angeles Table Mtn, Sunrise Ski Area; Angeles Nat Forest Comment
  RSA0091332  Penstemon rostriflorus R. G. Swinney 2011-8-17 15630 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  NY650483  Penstemon rostriflorus G. J. Goodman 1930-7-28 1728 Los Angeles Mt. San Antonio, south slope. San Gabriel Mountains 2895.6 Comment
  RSA733388  Penstemon speciosus R. G. Swinney 2001-6-16 7987 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
  UCR126234  Penstemon spectabilis A. C. Sanders 2003-3-14 25764 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  SD234199  Penstemon spectabilis Virginia Pinkus Ryder 1964-6-20 232 Los Angeles Angeles Crest - Switzers Camp. W slope. 1067 Comment
  POM308414  Penstemon spectabilis subsp. subviscosus Henry J. Ramsey, Henry J. Ramsey 1937-5-27 3106 Los Angeles Altadena, North Craig Ave. Comment
  LA201899  Penstemon spectabilis var. subviscosus Arthur C. Gibson; 2003-4-27 4908 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak Road. 518 Comment
  LA51908  Penstemon spectabilis var. subviscosus M. Epling; Carl Epling May 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC54049  Pentachaeta aurea L. A. Greata May 1903 321 Los Angeles near Linda Vista; Arroyo Seco Comment
  RSA0062903  Pentagramma triangularis T. S. Ross 1991-3-24 4296 Los Angeles Whittier Hills (Puente Hills, pro parte): Small canyon that drains northward to Turnbull Canyon from the NW side of Workman Hill. 341 Comment
  CAS-BOT-BC71669  Pentagramma triangularis subsp. triangularis Henry J. Thompson 1959-3-31 1915 Los Angeles 2 miles southwest of Seminole Hot Springs about 2 miles southwest of Cornell 396 Comment
  UC62535  Pentagramma triangularis subsp. triangularis Harley P. Chandler 1897-4-12 Los Angeles Palmer's Canyon Claremont 914 Comment
  UCSB62241  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-6-4 Los Angeles San Gabriel Mtns., Evey Cyn. ca. 3/4 mi. from Mt. Baldy Rd. 975 Comment
  UCSB8293  Pentagramma triangularis subsp. triangularis Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena region 243 Comment
  UCD116250  Peritoma arborea Elise Jackson 1993-4-21 40 Los Angeles Saugus, Bouquet Cyn Road, 8.5 miles NE of junction with Valencia Blvd. 487 Comment
  CAS-BOT-BC73764  Peritoma arborea var. arborea D. E. Breedlove 1961-9-24 1282 Los Angeles Santa Catalina Island - Little Harbor, near dunes 6 Comment
  CAS-BOT-BC73765  Peritoma arborea var. arborea Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  RSA471842  Perityle emoryi C. Epling 1931-5-12 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mtns. Comment
  UC90637  Perityle emoryi K. Brandegee May 1889 Los Angeles Santa Catalina Comment
  CAS-BOT-BC355975  Perityle emoryi David B. Weissman 1971-7-7 277 Los Angeles Santa Barbara Island. Seacliff area above Graveyard Canyon 60 Comment
  SFV17084  Petroselinum crispum J. N. Hogue Jul 1997 s. n. Los Angeles Los Angeles, Eagle Rock. 152 Comment
  RSA79239  Phacelia austromontana G. R. Campbell 1952-6-28 17285 Los Angeles Mt. Baldy 2439 Comment
  RSA428289A  Phacelia brachyloba Anstruther Davidson 1915-7-4 3103 Los Angeles Mt. Islip Trail. Comment
  RSA599840  Phacelia brachyloba Steve Boyd, Lauren Raz 1997-5-6 9757 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA75502  Phacelia brachyloba F. W. Peirson 1925-4-23 5793 Los Angeles forks of San Gabriel River, San Gabriel Mts. 534 Comment
  CATA3100  Phacelia cicutaria var. hispida Amy Catalano 2016-5-11 103 Los Angeles Santa Catalina Island: South side of Cape Canyon Road, 100 meters up canyon from gate by corrals, on northwest facing slope 227 Comment
  RSA0107226  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-19 14782 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
  RSA126667  Phacelia cicutaria var. hispida Peter H. Raven, H. J. Thompson 1959-5-5 14137 Los Angeles Mulholland Hwy, 1mile W of Las Virgenes Road, Malibu Creek drainage. 366 Comment
  RSA427649A  Phacelia cicutaria var. hispida George B. Grant 1904-06 s.n. Los Angeles Pasadena. Comment
  RSA658859  Phacelia cicutaria var. hispida J. C. Roos 1947-5-17 3627 Los Angeles Placerita Canyon east of Newhall. Comment
  RSA730281  Phacelia cicutaria var. hispida R. G. Swinney 1998-8-1 6622 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River. 1427 Comment
  SD44542  Phacelia cicutaria var. hispida Kay H. Beach 1943-5-11 Los Angeles Little Dalton Canyon along Woods Trail. San Gabriel Mountains. 395 Comment
  UC1234777  Phacelia cicutaria var. hispida Peter H. Raven 1962-5-23 17855 Los Angeles ocean bluffs at e side Avalon Bay; Santa Catalina Island Comment
  RSA517135  Phacelia cicutaria var. hispida Tim S. Ross 1990-5-14 2492 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1149 Comment
  SD234424  Phacelia cicutaria var. hubbyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26115 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn. 7.5' Q) 487 Comment
  UCR187222  Phacelia ciliata A. C. Sanders 2006-4-18 32110 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  UCR192192  Phacelia cryptantha A. C. Sanders 2008-4-18 34968 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  JEPS8605  Phacelia davidsonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4182 Los Angeles junction of road to Horse Flat Public Camp and main (paved) road from Upper Chilao Recreation Area; San Gabriel Mountains, Angeles National Forest 1828 Comment
  SEINET3237842 Image available Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns.; Prairie Fork, near Cabin Flats Campground. 1591 Comment
  RSA771896  Phacelia distans R. G. Swinney 2009-4-29 10619 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UC1595472  Phacelia distans Tim Ross 1992-4-4 6096 Los Angeles Adobe Mountain SW Mojave Desert, Adobe Mtn USGS 7.5' topo 926 Comment
  UCR220185  Phacelia distans R. G. Swinney 2009-4-7 10290 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA0034412  Phacelia distans C. F. Baker 1904-4-20 4724 Los Angeles Claremont. Comment
  RSA587288  Phacelia egena Tim S. Ross 1990-5-17 2551 Los Angeles North Fork Mill Creek: along Forest Service Road 3N27, 10.0 road miles N of Big Tujunga Canyon Rd. ca 425m SSW of Ed Triangulation Point (4990 ft) 1396 Comment
  UCR147722  Phacelia egena Steve Boyd, Amber Maurice 2004-5-18 11326 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
  SBBG108996  Phacelia floribunda S. A. Junak 1996-5-19 SCl 499 Los Angeles Middle Ranch Cyn 106 Comment
  SBBG109015  Phacelia floribunda S. A. Junak with S. Burckhalter 1996-5-18 SCl 495 Los Angeles NE side of Seal Cove 36 Comment
  UC1228878  Phacelia floribunda Peter H. Raven 1962-5-10 17728 Los Angeles Horse canyon San Clemente Island (on steep hillside near bottom, large canyon w of Thirst) 457 Comment
  JEPS2056  Phacelia fremontii Frank W. Peirson 1919-5-10 400 Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  UC1375261  Phacelia fremontii Robert F. Thorne and C. W. Tilforth 1971-6-30 40824 Los Angeles bank of desiccated branch of creek 1.8 mi below Alder Saddle; San Gabriel Mts., Angeles Nat'l For., Pinyon Flats area, S F 1554 Comment
  JEPS1983  Phacelia grandiflora Samuel B. Parish June 1887 1929 Los Angeles Glendale Comment
  SD262298  Phacelia grandiflora R. G. Swinney 2014-5-27 16691 Los Angeles San Gabriel Mountains: Glendora, Glendora Peak, 0.74 miles ENE (34a^z) of Azusa Pk., south of Glendora Ridge Motorway. Ridgetop in 2014 Colby burn. 790 Comment
  RSA762287  Phacelia grandiflora Orlando Mistretta, Christine Mistretta 2008-5-5 2646 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  NY57338  Phacelia heterosperma S. B. Parish 06 1887 1980 Los Angeles Rock Creek Comment
  SEINET3158164  Phacelia hispida G. B. Grant sn Los Angeles Pasadena Comment
  SEINET5536667  Phacelia hubbyi G. B. Grant 964 Los Angeles Pasadena Comment
  RSA0091125  Phacelia imbricata subsp. imbricata R. G. Swinney 2011-5-12 14713 Los Angeles San Gabriel Mountains: Along Cabin Creek near the confluence with Aliso Canyon. 1195 Comment
  RSA428002  Phacelia imbricata subsp. imbricata Elbert Benjamine 1929-5-26 193 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  RSA717786  Phacelia imbricata subsp. imbricata R. G. Swinney, Dave Larson 1996-7-17 5120 Los Angeles San Dimas Experimental Forest, east half (grass portion) of Browns Flst 1317 Comment
  RSA529176  Phacelia imbricata subsp. patula Tim S. Ross 1991-7-24 5595 Los Angeles Granite Mountain vicinity: near intersection of Pacifico Mountain Road x Roundtop Truck Road. 1902 Comment
  RSA749076  Phacelia lemmonii R. G. Swinney 2005-8-11 8453 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  POM264310  Phacelia lemmonii J. C. Roos 1937-5-31 675 Los Angeles Creek bed on S side of Mojave Desert, above Valyermo Comment
  UC1174668  Phacelia longipes L. R. Heckard, R. Bacigalupi, and G. T. Robbins 1953-6-15 508 Los Angeles along Forest Service rd near confluence of Pacoima Creek with its North Fork; San Gabriel Mts., Pacoima Canyon Comment
  UCD120560  Phacelia longipes Collector unknown 1923-5-22 269 Los Angeles Eaton Canyon. Comment
  RSA187957  Phacelia lyonii Robert F. Thorne 1966-4-30 36340 b Los Angeles Santa Catalina Island; mouth of Gallagher s Canyon. 8 Comment
  RSA190921  Phacelia lyonii Robert F. Thorne 1967-5-18 36871 Los Angeles Wild Boar Gully, Santa Catalina Island. 183 Comment
  SD53031  Phacelia lyonii Peter H. Raven 1962-5-22 17829 Los Angeles Santa Catalina Island, about 1 mile west of Cherry Canyon along coastal bluffs Comment
  POM49698  Phacelia minor L. R. Abrams 1901-4-7 s.n. Los Angeles Devil's Gate Comment
  SFV3023  Phacelia minor P. M. Kennamer 1958-4-13 98 Los Angeles Santa Monica Mountains Griffith Park, across from Travel Town. 185 Comment
  CDA40401  Phacelia minor T. C. Fuller 1961-4-1 6242 Los Angeles Southeast of Padua and Baseline Avenues, Claremont. 0 Comment
  RSA7454  Phacelia minor Fay A. MacFadden 1930-5-9 1654 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA428162  Phacelia ramosissima var. austrolitoralis Fred H. Jensen 16152 Los Angeles El Segundo. Comment
  UC1069391  Phacelia ramosissima var. austrolitoralis A. D. Gifford 1934-5-15 230 Los Angeles Dune Point Triunfo Pass Quadrangle (Plot #100) Comment
  UC284694  Phacelia ramosissima var. austrolitoralis S. B. Parish 1918-6-5 11870 Los Angeles coastal dunes Playa del Rey Comment
  RSA669279  Phacelia ramosissima var. latifolia LeRoy Gross, Naomi S. Fraga, Steve Williams 2002-7-17 550 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  RSA426117  Phacelia stellaris Grethe Moskedahl 1923-3-19 s.n. Los Angeles Downie [Downey] Cemetery. Comment
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Dec 23 2014
  JEPS1286  Phacelia tanacetifolia I. W. Clokey and B. C. Templeton 1930-4-8 4659 Los Angeles w Lanchaster 400 Comment
  SBBG57138  Phalaris minor M. N. Ackley -May-1928 37 Los Angeles southwest flats, Los Angeles 38 Comment
  UC212405  Philadelphus lewisii Geo. B. Grant 1902-6-12 2572 Los Angeles Cedar Creek Comment
  SFV6233  Pholistoma auritum R. M. Muran 1974-4-6 63 Los Angeles Santa Monica Mountains Rustic Canyon. 412 Comment
  CAS-BOT-BC222547  Pholistoma auritum var. auritum Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4359 Los Angeles San Clemente Island. E side of island, near Malo Point, third cyn S of Bryce Cyn. Comment
  CAS-BOT-BC222555  Pholistoma auritum var. auritum Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  CAS-BOT-BC222557  Pholistoma auritum var. auritum John Thomas Howell 1928-4-18 3725 Los Angeles N. side of Griffith Park, Los Angeles Comment
  UCR277246  Pholistoma membranaceum R. G. Swinney 2011-4-19 14395 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  POM354318  Phoradendron macrophyllum C. Epling, L. Ellison 1930-3-1 s.n. Los Angeles Mandeville Canyon. Comment
  RSA133174  Phoradendron macrophyllum Philip A. Munz 1960-1 s.n. Los Angeles 4141 Via Padova, Padua Hills, three miles north of Claremont. 518 Comment
  RSA247382  Phoradendron macrophyllum Gary D. Wallace, Gary D. Cromwell 1966-2-19 23 Los Angeles North of Glendora up Glendora Mountain Road in Cattle Canyon. Comment
  RSA420804  Phoradendron macrophyllum Edwin Kline 1925-8-16 s.n. Los Angeles Near Saugus. Comment
  UC1194642  Phoradendron macrophyllum Del Wiens 1955-1-12 941 Los Angeles w. Pomona (s. of U.S. Hwy. 99 as it crosses Kellogg Hills) 609 Comment
  CAS-BOT-BC141161  Phoradendron serotinum subsp. macrophyllum John Thomas Howell 1928-2-9 3334 Los Angeles Santa Anita Canon [canyon], San Gabriel Mts. Comment
  POM354342  Phoradendron villosum Christopher Davidson 1967-10-7 958 Los Angeles Baldy trail from Baldy Village, ca 3-4 miles past Bear Flat. 1677 Comment
  SEINET8723047 Image available Photinia arbutifolia F. R. Fosberg 1931-1 S 4763 Los Angeles Bullrush Canyon, Santa Catalina Island, Los Angeles Co. Canyon bottom, Upper Sonoran Zone. Alt. 100 m. 100 Comment
  POM118946  Phyllospadix scouleri Marcus E. Jones 1884-8-22 s.n. Los Angeles Santa Monica. Comment
  SBBG31415  Phyllospadix torreyi R. F. Thorne 1966-4-4 35793 Los Angeles Bird Rock Comment
  RSA683961  Phyllospadix torreyi Arline Young 1968-1-27 s.n. Los Angeles Cabrillo Beach, San Pedro, Zone 4 Comment
  SEINET11763302  Phyllospadix torreyi F. R. Fosberg 1931-1 s 4877 Los Angeles Santa Catalina Island, Little Harbor 2 Comment
  UC924381  Phyllospadix torreyi E. Yale Dawson 1948-11-30 5637 Los Angeles Long Point Santa Catalina Island (shore) Comment
  RSA0020258  Physalis acutifolia Louis C. Wheeler 1931-8-21 1 Los Angeles 1.5 mi N Claremont. 404 Comment
  RSA607598  Physalis philadelphica Louis C. Wheeler 1966-10-25 9067 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UCR178394  Pickeringia montana var. montana LeRoy Gross 2001-5-28 411 Los Angeles Verdugo Mountains, northeast side; Verdugo City off of Mesa Lila Road, ridge between Henderson and Engleheard Canyons 549 Comment
  RSA609100  Pinus coulteri L. C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek & Devils Canyon. 1799 Comment
  UCR251080  Pinus halepensis Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1352 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, Mesa Lila Road, southeast side of Henderson Canyon 427 Comment
  CAS-BOT-BC78869  Pinus monophylla Joseph Andorfer Ewan 1936-8-2 9918 a Los Angeles Mescal Creek 1615 Comment
  UC1076348  Pinus monophylla Herbert L. Mason 1926-4-27 3035 Los Angeles Rock Creek San Gabriel Mts., Rock Creek Comment
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Sep 20 2011
  UCSB69251  Pinus pinea Gross, LeRoy; Denslow, Michael; Hogshead, Bill 2003-6-17 Los Angeles Transverse Ranges; Verdugo Mtns region, N of mtns; S of Hostetter Motorway just off La Tuna Cyn Rd., S of and you can see the 210 fwy (Burbank 7.5 Quad.: T2N R13W S30, NW 1/4); across from the cyn Hostetter road follows almost to the main crest 543 Comment
  POM184701  Pinus ponderosa Joseph A. Ewan 1932-5-29 7218 Los Angeles Open forest on summit of Mt. Gleason 1890 Comment
  RSA0085344  Piperia Steven A. Junak 2001-5-4 SCa- 1480 Los Angeles Santa Catalina Island. Coastal slopes overlooking Cherry Cove, on E side of cove, upslope from road, near waterline to Cherry Cove. 64 Comment
  RSA382810  Piperia cooperi E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon, near Monrovia, [San Gabriel Mountains]. Comment
  RSA597175  Piperia cooperi Louis C. Wheeler 1950-5-19 6761 Los Angeles San Gabriel Mountains. Mesa between Millard Canyon and Arroyo Seco. 426 Comment
  RSA747450  Pistacia chinensis A. C. Sanders, T. B. Salvato 2009-5-21 36903 Los Angeles San Gabriel Valley: Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines. 64 Comment
  RSA607689  Pittosporum undulatum Scott D. White, Pam De Vries 1997-11-20 6024 Los Angeles Cismontane L.A. County: Big Tujunga Wash (San Gabriel Mtn. foothills / E San Fernando Valley): West of Sunland, SW of I-210 Freeway, E of Hansem Dam, and N of Wentworth St. 320 Comment
  CAS-BOT-BC71773  Pityrogramma triangularis var. viscosa M. B. Dunkle 1939-4-4 7244 Los Angeles Chenetti Canyon, San Clemente Island Comment
  SBBG132318  Plagiobothrys S. A. Junak, B. Collins 1991-4-26 SCI- 234 A Los Angeles along rd to field station, N side of rd 411 Comment
  UCR192592  Plagiobothrys arizonicus A. C. Sanders 2008-4-10 34814 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR146347  Plagiobothrys canescens James Henrickson 1985-3-30 19780 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
  UCR47665  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1932-5-7 10648 Los Angeles Channel Islands, Santa Catalina Island, ridges south of Grand Canyon 457 Comment
  SBBG128228  Plagiobothrys collinus M. L. Hoefs, S. A. Junak 2000-4-14 3072 Los Angeles hillside ca. halfway between Airport Rd and Goat Harbor 469 Comment
  UC218078  Plagiobothrys collinus P. A. Munz, R. D. Harwood 1920-3-13 3357 Los Angeles Ganesha Park Pomona 304 Comment
  RSA229151  Plagiobothrys collinus var. fulvescens R. F. Thorne, C. W. Tilforth 1971-6-30 40788 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek,1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA159343  Plagiobothrys collinus var. gracilis P. H. Raven 1962-4-10 17203 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  UCR231905  Plagiobothrys leptocladus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8018 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 70 m west of Sierra Highway and 420 m north of Avenue F 702 Comment
  UCR94672  Plagiobothrys leptocladus A. C. Sanders, E. J. Lott 1993-5-6 13977 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  UCR155352  Plagiobothrys nothofulvus A. C. Sanders 2005-5-5 29858 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  SFV12062  Plagiobothrys nothofulvus D. L. Koutnik 1978-3-27 169 Los Angeles San Gabriel Valley Claremont. Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Avenue. 579 Comment
  SBBG95440  Plantago erecta M. B. Dunkle 1928-4-22 1887 Los Angeles Buttonshell Beach 30 Comment
  SD241124  Plantago indica R. G. Swinney 2009-4-7 10293 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley: Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel Rover channel (Axusa 7.5'Q) 168 Comment
  UCSB7469  Plantago lanceolata Crum, Charles 1958-7-14 Los Angeles UCLA Campus; Faculty Hill Comment
  UCR182238  Plantago major R. G. Swinney 1997-9-6 5872 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  RSA402020C  Plantago ovata var. insularis Blanche Trask 1901-03 s.n. Los Angeles Avalon, Catalina Island. Comment
  SD234748  Platanthera sparsiflora R. G. Swinney 1997-7-23 5722 Los Angeles San Gabriel Mtns.: upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area. 2256 Comment
  UCR270081  Platanus racemosa R. G. Swinney 2011-3-17 14110 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR95402  Platanus racemosa L. C. Wheeler 1966-11-19 9136 Los Angeles San Gabriel Mtns., Tunnel Bypass, 0.25 mi upstream from Dutch Louie Camp, Pacoima Canyon 716 Comment
  CAS-BOT-BC91666  Platystemon californicus C. F. Baker 1904-5-2 s.n. Los Angeles Hills near Claremont. Comment
  CAS-BOT-BC91680  Platystemon californicus Paul F. Covel 1938-4-20 1164 Los Angeles Antelope Valley. Comment
  UCR204043  Platystemon californicus R. G. Swinney 2005-5-14 8237 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  RSA709689  Platystemon californicus var. crinitus LeRoy Gross 2005-4-28 2178 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  LA200880  Plectritis ciliosa Louis C. Wheeler; 1932-3-26 537 Los Angeles San Jose Hills, Puddingstone Dam 274 Comment
  UC586877  Pleiacanthus spinosus Joseph Andorfer Ewan 1934-8-3 8320 Los Angeles n side Table Mt. (at head of Le Montaine Creek); San Gabriel Mts., Swartout Valley Region, Le Montaine Creek 2225 Comment
  RSA472107  Pluchea odorata L. C. Wheeler 1932-8-28 1305 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  IRVC28707  Pluchea sericea A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25496 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  UC1070069  Pluchea sericea A. D. Gifford 1934-2-20 299 Los Angeles Santa Clara River Santa Susana Quad. 243 Comment
  UCR271839  Poa R. G. Swinney 2011-6-23 15282 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR273756  Poa bulbosa R. G. Swinney 2011-6-15 15198 B Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  UCD91973  Poa pratensis subsp. pratensis Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains. On north side of Blue Ridge by Guffy camp. Comment
  POM16507  Poa secunda Le Roy Abrams 1901-04 1262 Los Angeles Santa Monica Mountains Comment
  CAS-BOT-BC236203  Poa secunda subsp. secunda Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  RSA710801  Poa secunda subsp. secunda LeRoy Gross 2005-5-3 2249 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. 1085 Comment
  UC1971500  Poa secunda subsp. secunda Louis C. Wheeler 1973-4-21 s.n. Los Angeles FOOTHILLS OF SAN GABRIEL MOUNTAINS: 2 miles northeast Vincent. Comment
  RSA484209  Poa secunda var. secunda Donald R. Bissing 1973-4-6 37 Los Angeles Evey Canyon, San Gabriel Mountains: above roadcut 0.5 mile from canyon mouth 713 Comment
  RSA637495  Polycarpon tetraphyllum Valerie L. Soza, LeRoy Gross 1999-7-15 633 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. 822 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
  UCR222773  Polycarpon tetraphyllum R. G. Swinney 2009-5-8 10699 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR23663  Polycarpon tetraphyllum Alfred R. Roos 1958-5-2 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles Comment
  RSA591672  Polygonum arenastrum Louis C. Wheeler 1966-9-21 8883 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. 259 Comment
  UCR48185  Polygonum argyrocoleon R. F. Thorne 1975-9-4 47394 Los Angeles Santa Catalina Island; Fisherman's Cove; campus of USC Marine Science Center Comment
  UCR210536  Polygonum aviculare R. G. Swinney 2008-12-4 9941 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR223798  Polygonum aviculare R. G. Swinney 2009-8-25 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. 2061 Comment
  UC1713683  Polygonum aviculare subsp. aviculare D. L. Crawford 1915-7-5 Los Angeles Claremont Comment
  RSA802442  Polygonum aviculare subsp. depressum Orlando Mistretta, Youssef Atallah 2011-8-16 6038 Los Angeles Aliso Canyon, 0.8 miles south of junction of Aliso Canyon Road and Angeles Forest Highway. 1295 Comment
  RSA0105495  Polygonum hydropiperoides R. G. Swinney 2011-11-3 15979 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  JEPS50628  Polygonum lapathifolium Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  RSA608356  Polygonum lapathifolium Louis C. Wheeler 1966-10-25 9082 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA609756  Polygonum punctatum Louis C. Wheeler 1946-9-22 6371 Los Angeles Rosemead Blvd. and San Gabriel Blvd. Comment
  CATA2971  Polypodium californicum Amy Catalano 2016-1-28 008 Los Angeles Santa Catalina Island: Inside Exclosure 4A, mid-slope, N-facing hillside 393 Comment
  POM312736  Polypodium californicum D. Taylor 1951-5-17 64 Los Angeles Little Dalton Canyon north of Glendora. San Gabriel mtn range. Pacific drainage area. 365 Comment
  RSA689879  Polypodium californicum Geo L. Moxley 733 Los Angeles On road from Avalon to Pebbly Beach, Catalina Island Comment
  UCSB62311  Polypodium californicum Kiefer, Lawrence 1967-2-18 Los Angeles San Gabriel Mtns., N of Pasadena, Fall Creek, tributary of Big Tujunga Canyon, ca. 0.75mi downstream from the point where US Forest Service Road 3N27 crosses, occurring again only towards the bottom of the canyon 1097 Comment
  UCSB62349  Polypodium californicum Kiefer, Lawrence 1967-1-15 Los Angeles San Gabriel Mtns., NE of Sunland, Bryant Canyon tributary of Big Tujunga Canyon ca. 1/2mi upstream from Mt. Gleason Rd. 609 Comment
  UCSB62357  Polypodium californicum Kiefer, Lawrence 1967-2-4 Los Angeles San Gabriel Mtns., N of La Canada, Fox Creek tributary of Big Tujunga Canyon, ca. 1/2mi above the falls 762 Comment
  CLARK-A1528-4842  Polypogon semiverticillatus John C. Roos 1942-9-12 1718 Los Angeles Westwood Comment
  CAS-BOT-BC237498  Polypogon viridis Timothy S. Ross; Steve Boyd 1994-5-24 7842 Los Angeles Liebre Mountains. Cottonwood Swamp: Confluence of San Francisquito Canyon stream and two tributaries draining off the SE slopes of Red Mountain, dissected by San Francisquito Canyon Road 515 Comment
  SEINET3152574  Polystichum imbricans subsp. curtum G. B. Grant, W. Wheeler 1904-5-17 1032 /6236 Los Angeles Pasadena: Mt. Wilson 1676 Comment
  LA208529  Populus fremontii subsp. fremontii Louis C. Wheeler; 1932-4-9 574 Los Angeles Kings Cayon, near Elizbenth Lake 1036 Comment
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Oct 22 2014
  UC212909  Portulaca oleracea D. L. Crawford July 1915 Los Angeles Claremont Comment
  CDA835  Potamogeton nodosus J. L. Johnson, Roger Faulker 1989-7-19 Los Angeles Angeles National Forest Crystal Lake, near Andora. 0 Comment
  CAS-BOT-BC143085  Potentilla anserina subsp. pacifica Le Roy Abrams 1901-4-11 1463 Los Angeles Ballona Creek, Mesmer Comment
  UCR150883  Potentilla glandulosa Valerie Soza, LeRoy Gross 1999-7-15 623 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt Wilson Trail, N of junction with Upper Winter Creek Trail. SE side of Mt Harvard 1341 Comment
  UC12760  Prunus fasciculata J. Burtt Davy May 9 1896-May 24 1896 2479 Los Angeles back of Manjana (Antelope Valley); Antelope Valley Comment
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Apr 10 2012
  UC1334683  Prunus fasciculata R. S. Woglum 1935-5-6 729 Los Angeles Palmdale, ne Los Angeles County Palmdale Comment
  RSA518461  Prunus fasciculata var. fasciculata Gary D. Wallace 1966-4-24 503 Los Angeles Along Road 4N09 south to Mile High from Highway 138. 1829 Comment
  CAS-BOT-BC154941  Prunus ilicifolia Ernest C. Twisselmann 1961-10-31 6678 Los Angeles Liebre Mountains: [Elizebeth] Elizabeth Lake 944 Comment
  RSA682612  Prunus ilicifolia Scott D. White, Michael Honer 2003-5-7 9222 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 Comment
  RSA635039  Prunus ilicifolia subsp. ilicifolia Valerie L. Soza, Kent Hughes 1999-6-17 563 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  SBBG31340  Prunus ilicifolia subsp. lyonii R. F. Thorne 1966-4-7 35970 Los Angeles Howland Landing Cyn near rd to Johnson's Landing 22 Comment
  RSA348068  Prunus lyonii Dave Kelly, Walter Wisura 1986-4-30 4117 Los Angeles Baldwin Hills, near radio towers above Co. park off La Cienega Blvd. Comment
  CAS-BOT-BC154783  Prunus virginiana var. demissa Wesley O. Griesel 1962-6-6 s.n. Los Angeles Big Pines, San Gabriel Mts. 2072 Comment
  CATA1040  Pseudognaphalium biolettii Mark L. Hoefs 1995-5-10 1965 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  SEINET4006972 Image available Pseudognaphalium biolettii R. Moran 1941-1 595 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  UC485716  Pseudognaphalium biolettii Crawford and Hiatt 1916-3-28 701 Los Angeles Santa Monica Mts. Comment
  UCR280943  Pseudognaphalium biolettii Mitch Provance 2017-6-30 617- 32 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  RSA0069707  Pseudognaphalium biolettii Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 14 Los Angeles Santa Catalina Island. Deer Valley Trail. 22 Comment
  RSA660881  Pseudognaphalium biolettii Orlando Mistretta 1992-4-5 144 Los Angeles Guds, San Clemente Island. Comment
  SD90381  Pseudognaphalium biolettii Robert F. Thorne 1966-4-16 36028 Los Angeles San Clemente Island; rocky slope above Wilson Cove. 29 Comment
  UCD135061  Pseudognaphalium californicum F. R. Fosberg 1931-4-2 S 4449 Los Angeles Camp Frost, Santa Catalina Island. 300 Comment
  CATA1218  Pseudognaphalium luteoalbum Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2277 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  SD252286  Pseudognaphalium luteoalbum Steven A. Junak 1999-7-15 Sca 1028 Los Angeles Santa Catalina Island: Bulrush Canyon. 238 Comment
  UC53985  Pseudognaphalium microcephalum H. P. Chandler 1902-9-9 2031 Los Angeles Ballona Marshes Comment
  SFV12452  Pseudognaphalium ramosissimum M. H. Grayum, D. L. Koutnik 1978-1-28 953 Los Angeles Santa Monica Mountains Coastal bluffs and flats just east of Temescal Canyon along Pacific Coast Highway. 8 Comment
  CAS-BOT-BC80069  Pseudotsuga macrocarpa G. B. Grant 1900-4-11 s.n. Los Angeles Mt. Lowe 1524 Comment
  UC1134172  Pseudotsuga macrocarpa A. D. Gifford 1935-3-15 476 Los Angeles 3 mi w of Warm Springs; Angeles National Forest, Tejon Quadrangle 1188 Comment
  RSA393782  Psilocarphus tenellus L. C. Wheeler 1934-3-29 2482 Los Angeles Sepulveda Canyon, Santa Monica Mountains. 183 Comment
  UCD150962  Psilostrophe cooperi D. S. Park 2010-4-26 48 Los Angeles Ranch Santa Ana Botanic Garden 325 Comment
  CATA395  Pteridium aquilinum var. pubescens Mark L. Hoefs, A. Douglas Propst 1974-5-10 464 Los Angeles Santa Catalina Island: Lower Fern Canyon 213 Comment
  UCR270859  Pterospora andromedea R. G. Swinney 2011-8-17 15656 Los Angeles San Gabriel Mountains, Ridge to the imm. west of Lily Spring, c. 100 meters s. of SR 2 (Angeles Crest Hwy.), n. slope of Mt. Hawkins 2329 Comment
  LA52267  Pterostegia drymarioides A. M. Johnson; 1935-4-26 4604 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SBBG13288  Pterostegia drymarioides M. A. Piehl 1962-6-9 62345 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  UCR256590  Purshia stansburyana Anuja Parikh, Nathan Gale 2011-6-3 3410 Los Angeles Western Transverse Range; eastern Liebre Mtns., Sierra Pelona, 4.0 km west of State Hwy 14, 2.4 km SW of California Aqueduct 1174 Comment
  RSA158238  Pycnanthemum californicum David P. Gregory 1961-8-10 482 Los Angeles Growing near an apple orchard in the bottom of the canyon below springs. Coldwater Canyon, sw. of Mt. San Antonio. San Gabriel Mountains. Comment
  SEINET10957068  Pyrus communis Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3805 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  RSA656133  Quercus X grandidentata Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 667 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. 549 Comment
  RSA527722  Quercus agrifolia var. agrifolia Tim S. Ross, Annette Ross 1991-3-7 4153 Los Angeles Elephant Hill, western Pomona. 230 Comment
  POM18619  Quercus berberidifolia E. S. Spalding 1921-4-9 s.n. Los Angeles Ganesha Hills, Pomona. Comment
  RSA608714  Quercus berberidifolia Louis C. Wheeler 1931-3-30 s.n. Los Angeles Claremont: College Way. Comment
  RSA476893  Quercus chrysolepis M. B. Dunkle 1933-6-17 3633 a Los Angeles San Antonio Canyon, dry canyon side. Comment
  SEINET13276837 Image available Quercus chrysolepis R. G. Swinney 2011-1 15166 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  SFV6860  Quercus chrysolepis T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 574 Los Angeles San Gabriel Mountains Trail to Mount Baden-Powell. 2043 Comment
  CAS-BOT-BC86379  Quercus dumosa D. E. Breedlove 1961-9-23 1268 Los Angeles S side of Fourth of July Cove; Santa Catalina Island 30 Comment
  OBI74757  Quercus dumosa K. Dobry 1991-3-23 d 123 Los Angeles 415 Stunt rd. Santa Monica Mts. Upper Cold Creek Canyon Comment
  POM19030  Quercus durata var. gabrielensis E. S. Spalding 1921-3-28 s.n. Los Angeles San Dimas Canyon. Comment
  POM271868  Quercus durata var. gabrielensis Lyman Benson 1947-1-16 12280 Los Angeles Lightpost 51, El Pariso Dr. Ganesha Hills, Pomona 305 Comment
  RSA476604  Quercus durata var. gabrielensis I. M. Johnston 1930-9-7 s.n. Los Angeles Mt. Wilson Trail 762 Comment
  RSA702434  Quercus durata var. gabrielensis Scott D. White 2004-7-28 10664 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  UCR177731  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 300 Los Angeles Los Angeles Basin region; Verdugo Mtns., Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following the fire break up to main crest (to Beaudry fire road) 305 Comment
  POM290545  Quercus engelmannii Lyman Benson 1949-10-3 14194 Los Angeles Thompson Creek at head of San Antonio Avenue northwest of Claremont. alt. 1400 ft. 427 Comment
  SEINET13953341 Image available Quercus engelmannii Leila M. Shultz 1981-1 4948 Los Angeles cultivated native plants, Rancho Santa Ana Botanic Garden; dry fans and foothills below 4000 ft. Los Angeles county S to San Diego county 305 Comment
  SBBG44666  Quercus garryana var. breweri W. B. Holt 1941-10-19 5 -1941 Los Angeles not far from Artesian Spring Camp, rd E of reservoir, Bouquet Cyn to Loma Pelona Lookout Comment
  RSA597118  Quercus john-tuckeri Tim S. Ross 1990-6-22 3711 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA608257  Quercus john-tuckeri Louis C. Wheeler 1966-10-23 9057 Los Angeles Liebre Mountain: North edge of top of ridge between Bouquet Canyon and Martindale Canyon at crossing of Big Oak Trail, north side Sierra Pelona. Comment
  UCR140963  Quercus john-tuckeri June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, South Fork, Big Rock Creek 1402 Comment
  UCSB60801  Quercus john-tuckeri Muller, Cornelius 1945-3-20 Los Angeles 5 mi. S of Caswell Comment
  POM186315  Quercus lobata Louis C. Wheeler 1933-8-5 2050 Los Angeles Encino, S side San Fernando Valley. 229 Comment
  CATA1783  Quercus pacifica Benjamin E. Carter, John R. Clark 2012-8-9 6961 Los Angeles Santa Catalina Island: Bulrush Canyon, between reservoirs and Salta Verde turnoff 270 Comment
  CAS-BOT-BC258362  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 234 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  RSA479370  Quercus tomentella Mark Hoefs 1974-9-25 504 Los Angeles West fork of Gallagher's Canyon, Santa Catalina Island. 191 Comment
  RSA640284  Quercus tomentella Robert F. Thorne 1971-5-18 41361 Los Angeles Santa Catalina Island: upper part of West Fork of Gallagher Canyon. 381 Comment
  SBBG47499  Quercus tomentella M. B. Dunkle 1939-11-25 8679 Los Angeles NE rim Comment
  SEINET7072898  Quercus turbinella A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Range Mountains southeast of Bobs Gap on Big Pines Road. Coordinate datum: WGS84/NAD83. (34? deg. 24' 59" North Latitude, -117? deg. 68' 56" West Longitude; UTM Zone 11, 428121mE, 3808400mN, Coordinate datum: NAD27.). Comment
  RSA0039059  Rafinesquia californica R. G. Swinney 2010-5-11 12660 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA3599  Rafinesquia californica C. B. Wolf 1932-5-13 3616 Los Angeles Forks of Hamilton Canyon, Santa Catalina Island 91 Comment
  UCR255861  Rafinesquia californica Dan S. Cooper 2014-5-23 514- 50 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, east side Mount Chapel 462 Comment
  UCD169677  Ranunculus cymbalaria Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1996 Comment
  SBBG131725  Ranunculus hebecarpus S. A. Junak 1999-5-8 SCa 923 Los Angeles Escondido Cyn, ca. 0.35 mi above reservoir 152 Comment
  UC625091  Ranunculus hebecarpus F. R. Fosberg 1931-3-24 S 4348 Los Angeles Hamilton Canyon Santa Catalina Island (s wall) 40 Comment
  CATA416  Raphanus raphanistrum Sara L. Crockett, Mark Hoefs, Steve Junak , Gary Allan 1996-10-31 553 Los Angeles Santa Catalina Island: Lower Cape Canyon 198 Comment
  UCR217279  Raphanus sativus R. G. Swinney 2009-3-6 10049 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, Azusa, east of Irwindale Ave. and north of I-210 Fwy 152 Comment
  POM199682  Rhamnus californica I. W. Clokey, Bonnie C. Templeton 1929-04 4442 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA757715  Rhamnus californica R. G. Swinney 2008-6-18 9077 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  SEINET12210150  Rhamnus californica I. W. Clokey, Templeton, B. 1929-1 4586 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA390183  Rhamnus californica subsp. californica E. Crow 1928-10-21 5 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  UC1602368  Rhamnus californica subsp. californica I. M. Johnston 1917-8-22 1709 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, San Gabriel River 1981 Comment
  LA200807  Rhamnus crocea Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM305830  Rhamnus crocea Henry J. Ramsey, Henry J. Ramsey 1940-3-4 1080 Los Angeles Foothill Blvd. West of San Gabriel Bridge. Comment
  CAS-BOT-BC55983  Rhamnus ilicifolia LeRoy Abrams 1903-3-11 3114 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA167626  Rhamnus ilicifolia Peter H. Raven, Robert F. Thorne 1964-5-7 18999 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UCR124603  Rhamnus ilicifolia B. C. Templeton 1932-8-26 5117 Los Angeles San Gabriel Mtns., Big Rock Creek, near Vincent Gap, Angeles National Forest 1905 Comment
  UCR260801  Rhamnus ilicifolia R. G. Swinney 2010-8-9 13466 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCR269950  Rhamnus ilicifolia R. G. Swinney 2010-5-19 12780 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  CAS-BOT-BC360863  Rhamnus pirifolia Dr. Barton W. Evermann 1915-3-29 s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC59790  Rhamnus pirifolia H. E. McMinn 1924-7-25 1305 Los Angeles Catalina Island. Comment
  POM246577  Rhamnus pirifolia Carl B. Wolf 1932-10-5 4236 Los Angeles Santa Catalina Island, 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  RSA167825  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-2-6 33291 Los Angeles Santa Catalina Island above Fourth of July Cove. 30 Comment
  UCSB4049  Rhamnus pirifolia Muller, Cornelius 1953-5-2 Los Angeles Upper end of Swain Canyon, near ridge top, Santa Catalina Island Comment
  SFV2140  Rhus aromatica R. L. Armacost 1933-7-4 Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  CAS-BOT-BC170443  Rhus integrifolia H. L. Mason 1926-4-26 2943 Los Angeles Pacoima Wash, foothills of San Gabriel Mountains Comment
  CAS-BOT-BC170453  Rhus integrifolia Peter H. Raven 1959-3-15 13954 Los Angeles Bluffs just east of Zuma Beach, Point Dume - Santa Monica Mountains 15 Comment
  RSA562573  Rhus integrifolia Steve Boyd, Walter Appleby 1993-4-22 7977 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  SD237283  Rhus integrifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37090 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santaa Fe Flood Control Basin, N of Arrow Hwy and soouth of Duarte. 139 Comment
  UC109843  Rhus integrifolia T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  UCR117552  Rhus laurina A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23294 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 793 Comment
  RSA155355  Rhus ovata P. H. Raven 1962-5-21 17803 Los Angeles Santa Catalina Island. Upper Bullrush Canyon, ridge on west side. 290 Comment
  UC1871184  Rhus ovata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4946 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
  LA212305  Rhus ovata Geo. E. Julian; 1963-3-7 s.n. Los Angeles Kellogg Hill , Cal Poly Pomona. Comment
  SFV15489  Ribes aureum E. J. Spencer 1992-2-19 3 Los Angeles Bear Canyon, east of Sand Canyon Road at milepost 7.64. 732 Comment
  UCD102113  Ribes aureum Marc Meyer; Mike Alvord, Marc Blain 1993-3-14 4 Los Angeles San Gabriel Mountains, Walker Ranch in Placerita Canyon State Park. 450 Comment
  RSA476434  Ribes aureum var. gracillimum Anstruther Davidson 1890-05 s.n. Los Angeles San Gabriel [River] near El Monte. Comment
  SFV1606  Ribes aureum var. gracillimum C. Gasser 1956-3-9 s. n. Los Angeles Santa Monica Mountains Malibu Canyon Road, 6 miles from Highway 101, by the Honor Camp equipment yard. 180 Comment
  UC1127394  Ribes californicum var. hesperium R. St. John 1933-2-7 330 Los Angeles Head of Towley Canyon, Plot #13 Santa Susana Quadrangle Comment
  UC11623  Ribes californicum var. hesperium W. H. Brewer Jan. 1861 133 Los Angeles near Camp 6; San Gabriel Comment
  RSA84848  Ribes cereum var. cereum F. W. Peirson 1922-7-6 4433 Los Angeles Big Pines 2104 Comment
  SEINET13942450 Image available Ribes divaricatum Louis C. Wheeler 1934-1 2452 Los Angeles San Gabriel River at 240 ft altitude 73 Comment
  CAS-BOT-BC108874  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte. 91 Comment
  CAS-BOT-BC173414  Ribes malvaceum John Thomas Howell 1928-3-4 3378 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  RSA441465  Ribes nevadense H. E. Hasse, Anstruther Davidson 1906-6-5 1496 Los Angeles Big Rock Creek. Comment
  UCD102513  Ribes speciosum Gordon J. Pilone 1963-4-15 264 Los Angeles Dimond Bar Ranch, Brea Canyon. Santa Ana Mt. Range. 609 Comment
  RSA480740  Ricinus communis L. C. Wheeler 1936-6-21 4168 Los Angeles Cobal Canyon 670 Comment
  RSA602377  Ricinus communis L. C. Wheeler 1945-8-16 6093 Los Angeles Whittier: San Jose Creek at Workman Mill Road. Comment
  UCR55486  Ricinus communis J. A. Adams 1965-5-23 234 Los Angeles San Gabriel Mtns., Palmer Canyon, 1/4 mi upstream from Padua Hills, near Claremont 823 Comment
  CLARK-A1703-77  Romneya trichocalyx Art Whistler 1966-5-1 660501-4 Los Angeles Comment
  JEPS45641  Rosa woodsii subsp. gratissima Frank W. Peirson 1919-6-14 470 Los Angeles Big Rock Creek Canyon; San Gabriel Mts. 1676 Comment
  RSA729490  Rosa woodsii subsp. gratissima R. G. Swinney 1999-6-21 7380 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  CAS-BOT-BC158810  Rubus ursinus Geo. B. Grant 1900-2-4 s.n. Los Angeles Arroyo Seco near Pasadena Comment
  RSA773609  Rubus ursinus R. G. Swinney 2009-6-12 11119 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
  SEINET7707021  Rubus ursinus G. B. Grant 1904-1 1136 Los Angeles Pasadena Comment
  UCR174647  Rumex conglomeratus Jennifer H. Jones 2006-6-4 374 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., SW of Claremont Wilderness Park near the W end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel. 476 Comment
  RSA0115695  Rumex salicifolius A. C. Sanders 2006-5-16 32327 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  UCR129924  Rumex salicifolius var. denticulatus Orlando Mistretta, T. S. Ross 1994-6-1 1310 Los Angeles San Gabriel Mtns, Santiago Canyon 1433 Comment
  RSA659854  Rytidosperma pilosum Chris White 1991-5-12 8 Los Angeles Portuguese Bend, Comment
  UCR214636  Salix A. C. Sanders, Dan S. Cooper 2010-3-12 37382 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR273379  Salix R. G. Swinney 2011-10-18 15808 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
  RSA589345  Salix exigua Orlando Mistretta 1994-3-30 951 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  SBBG124475  Salix exigua R. Burgess, P. Munro 1999-4-17 3268 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 502 Comment
  LA208650  Salix exigua var. hindsiana Carl Hedin; Joseph Ewan 1933-3-15 7632 Los Angeles San Fernando Valley, Los Angeles River, 400 m E of Radford Ave [Area 1] Comment
  LA52082  Salix exigua var. hindsiana Carl Hedin; J. A. Ewan 1932-4-22 7633 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, 0.4 km E of Radford Dr. 176 Comment
  RSA0106114  Salix gooddingii R. G. Swinney 2011-3-15 14070 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  LA34159  Salix laevigata Peter H. Raven; Henry J. Thompson 1959-9-6 14396 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  POM320744  Salix lasiolepis M. A. Clauser 1965-3-17 120 Los Angeles Evey Canyon. San Gabriel mtn range, Pacific slope drainage area. 762 Comment
  RSA639730  Salix lasiolepis Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1494 Comment
  UC447154  Salix lasiolepis J. Ewan 1931-2-2 4018 Los Angeles near Downey; Rio Honda River Comment
  UC482203  Salix lasiolepis Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 572 Los Angeles on Ventura Blvd. near Vejor Creek bridge (gas station) 1350 Comment
  UC506420  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-11 7667 Los Angeles Ballona Creek at Ballona Marshes (back of dike); Ballona Creek at Ballona Marshes Comment
  UC625159  Salix lasiolepis F. R. Fosberg 1931-3-23 S 4327 Los Angeles near Avalon; Santa Catalina Isl., Hamilton Canyon 50 Comment
  UCR271867  Salix lasiolepis R. G. Swinney 2011-6-23 15318 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  RSA670161  Salix lucida subsp. lasiandra Joseph M. Keefe 2000-12-12 30877 Los Angeles North side of wet ravine, west side of bridge, Fire Road east of Aviation Buildings, Glendale College, 1500 North Verdugo Road, Glendale, CA 91208. 250 Comment
  RSA0027461  Salsola tragus April Garbat 2012-8-5 1 Los Angeles Shortcut Saddle at the large turnout where the San Gabrielino Trail crosses Highway 2, in Angeles National Forest. Near the recreation fee sign. Comment
  RSA444932  Salsola tragus F. R. Fosberg 1930-6-30 S 3053 Los Angeles Del Rey 4 Comment
  RSA729750  Saltugilia grinnellii subsp. grinnellii R. G. Swinney 1999-7-5 7529 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
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Jun 23 2009
  RSA469662  Saltugilia splendens subsp. grantii L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  RSA779214  Saltugilia splendens subsp. grantii R. G. Swinney 2009-6-8 11066 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG64368  Saltugilia splendens subsp. grantii M. N. Ackley 1927-6-5 810 Los Angeles trail to Switzerland Comment
  RSA0095001  Saltugilia splendens subsp. splendens Orlando Mistretta 1993-6-28 897 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  LA99222  Salvia apiana R. L. Armacost; 1960-6-9 1298 Los Angeles 335 Comment
  RSA145218  Salvia apiana Alice Ann Webb, R. Heald 1961-3-21 789 Los Angeles Johnson's Pasture, Claremont. San Gabriel Mt. Range, San Gabriel drainage area. 457 Comment
  RSA424326  Salvia apiana William Emboden 1970-6-12 6 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA411311  Salvia apiana N. C. Cooper 1949-6-29 4371 Los Angeles San Gabriel Canyon. 457 Comment
  RSA442843  Salvia apiana William Emboden 1969-5-28 49 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA623956  Salvia apiana Arthur R. Kruckeberg 1939-6-9 s.n. Los Angeles Back of nursery on hill [Occidental College Campus Survey] Comment
  RSA578103  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-5-10 7704 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit. 854 Comment
  RSA580467  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-5-11 7793 Los Angeles Atmore Meadows spur road: east end of Liebre Mountain near the head of North Fork Fish Canyon. 1500 Comment
  RSA599803  Salvia columbariae Steve Boyd, Lauren Raz 1997-3-25 9295 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
  RSA401450B  Salvia columbariae H. de Forest 1929-3-21 s.n. Los Angeles Palos Verdes Hills Comment
  UCSB8123  Salvia columbariae Fox, Lynn 1963-5-3 Los Angeles 100 yards NE of Mint Canyon Campground; 7.7 mi. N of Soledad Canyon Road; on U.S. Highway 6 640 Comment
  RSA446278  Salvia dorrii var. pilosa Bonnie C. Templeton 1947-5-21 6266 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA587360  Salvia dorrii var. pilosa Orlando Mistretta 1992-5-4 241 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  CHSC26067  Salvia leucophylla Richard S. Hood 1971-4-9 332 Los Angeles 4 miles North of Topanga Post Office on Topanga Cyn Blvd. in Santa Monica Mtns. 365 Comment
  SDSU12008  Salvia leucophylla David Shaari, Jennifer Swenson 1995-4-12 12 Los Angeles Located on the west side of the Cheesebro canyon, 1.2 miles north of fork with Chesebro Raod. 341 Comment
  CAS-BOT-BC228569  Salvia mellifera Timothy S. Ross; Steve Boyd 1994-5-10 7703 Los Angeles Liebre Mountains. Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  JEPS62753  Salvia mellifera C. E. Hutchinson 1892-6-28 Los Angeles San Gabriel Canyon; San Gabriel Mts. 914 Comment
  RSA145139  Salvia mellifera Alice Ann Webb 1961-2-9 769 Los Angeles Johnson's Pasture, Claremont, Mt. Range - San Gabriel. 457 Comment
  RSA584037  Salvia mellifera Tim S. Ross, Steve D. Boyd 1991-4-25 4578 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  UCR213580  Salvia mellifera A. C. Sanders 2010-5-7 38342 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 104 Comment
  RSA0034498  Salvia mellifera Elwood Fordham 1951-4-15 s.n. Los Angeles Topanga. Summit Rd. 304 Comment
  LA200597  Salvia spathacea Harlan Lewis; 1940-2-24 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA477546  Sambucus mexicana F. R. Fosberg 1931-3-18 S- 4289 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  RSA477551  Sambucus mexicana Ella M. Kennedy 1923-3-5 s.n. Los Angeles Pasadena. Comment
  RSA654186  Sambucus mexicana Marilyn Porter 1991-5-19 34 Los Angeles Upland at San Bernardino County line south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 671 Comment
  RSA657293  Sambucus mexicana Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -2 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
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May 21 2015
  RSA719494  Sambucus mexicana Gary Kovnat, LeRoy Gross 2003-4-13 42 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  UCR190375  Sambucus mexicana R. G. Swinney 2001-6-16 7988 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  SEINET12740127  Sambucus mexicana E. Adams 1978-1 Los Angeles Altadena, Eaton Canyon Dam. Comment
  SBBG79378  Sambucus nigra subsp. caerulea F. R. Fosberg 1931-3-18 4289 Los Angeles Hamilton Cyn 10 Comment
  SD234776  Sambucus nigra subsp. caerulea A. C. Sanders 2003-5-1 26256 Los Angeles Western San Gabriel Mtns.: SE slopes of Castaic Mesa above Charlie east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property. 395 Comment
  UCR220327  Sanicula bipinnatifida D. E. Bramlet, Mike Ahmer 2005-4-14 3795 Los Angeles Los Angeles Basin Region, Puente Hills in La Habra Heights, main drainage of Powder Canyon, c. 547 ft. east of Skyline Drive and 1460 ft. north of Fullerton Rd. 249 Comment
  RSA747752  Sanicula crassicaulis Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12686 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR195291  Sanicula crassicaulis Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1187 Los Angeles Transverse Ranges: Verdugo Mountains Region, northwestern edge of Verdugo Mountains, north of La Tuna Canyon, southeast of Green Verdugo Reservoir 457 Comment
  UCR204870  Sanicula crassicaulis R. G. Swinney 2005-4-23 8224 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi. north of north end of Rainbow Dr., west of and adjacent to West Bender Canyon 572 Comment
  RSA70576  Sarcodes sanguinea F. W. Peirson 1923-5-26 3444 Los Angeles Vincent Gulch. 1982 Comment
  RSA628635  Sarcodes sanguinea L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: West side Pallett Mountain. 2256 Comment
  RSA199201  Satureja douglasii Robert F. Thorne, D. Propst 1968-5-28 37647 Los Angeles Santa Catalina Island, Middle Bulrush Canyon. 244 Comment
  RSA5999  Satureja douglasii Carl B. Wolf 1932-10-5 4242 Los Angeles Santa Catalina Island. In ravine at junction of Isthmus road and road to Black Jack Peak. 244 Comment
  RSA83434  Satureja douglasii F. W. Peirson 1906-7-10 1063 Los Angeles Rustic Canyon, Santa Monica Mtns. Comment
  UC1369830  Satureja douglasii Robert F. Thorne and D. Propst 1968-5-28 37647 Los Angeles Middle Bulrush Canyon Santa Catalina Island 243 Comment
  UC102139  Scabiosa stellata A. J. McClatchie 1893-6-26 142 Los Angeles Pasadena Comment
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Jun 23 2007
  RSA673617  Schinus molle LeRoy Gross 2003-1-18 682 Los Angeles West side of saddle were Stough Canyon Mountainway and Verdugo Mountainway meet. 610 Comment
  CATA1596  Schismus arabicus Mark L. Hoefs, Robert F. Thorne 1998-4-25 2865 Los Angeles Santa Catalina Island: At Echo Lake 402 Comment
  SFV21108  Schismus arabicus L. Gross, T. Anderson 2004-5-3 1215 Los Angeles San Gabriel Mountains 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. 1380 Comment
  RSA357905  Schismus barbatus R. F. Thorne 1973-3-26 42721 Los Angeles San Gabriel Mountains: Webb Canyon, N of Claremont 366 Comment
  RSA632019  Schismus barbatus L. C. Wheeler 1973-4-8 s.n. Los Angeles San Gabriel Mountains: Little Tujunga Canyon. 426 Comment
  UCR216750  Schismus barbatus R. G. Swinney 2009-2-20 10011 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA773528  Schoenoplectus acutus R. G. Swinney 2009-7-1 11296 Los Angeles Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  RSA600602  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Big Rock Springs; Intersection of Valyermo Road and Bobs Gap Road. Comment
  UCR214661  Schoenoplectus californicus A. C. Sanders, Dan S. Cooper 2010-4-30 38132 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC110937  Scirpus microcarpus Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8115 Los Angeles Tributary of Clearwater Canyon. 847 Comment
  SBBG82789  Scirpus microcarpus M. Bufkin -May-1895 Los Angeles near Pasadena Comment
  UCD125745  Scutellaria tuberosa Daryl Koutnik 1978-3-27 174 Los Angeles Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Ave, Claremont. 579 Comment
  POM4113  Scutellaria tuberosa E. L. Brown 1893-04 s.n. Los Angeles Collected near Pasadena, Lincoln Park Comment
  UCR205639  Searsia lancea A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37005 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
  UCR108639  Sedum spathulifolium L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Mine Gulch Camp, East Fork San Gabriel River 1372 Comment
  RSA683688  Selaginella asprella F. Raymond Fosberg, J. A. Ewan 1931-8-13 R 113 Los Angeles Islip Trail near Hawkins-Islip divide; Mount Hawkins. 2200 Comment
  CATA1810  Selaginella bigelovii Benjamin E. Carter 2012-8-23 6996 Los Angeles Santa Catalina Island: Airport Road, ca. 100m south of the airport 470 Comment
  RSA151018  Selaginella bigelovii Peter H. Raven 1962-5-8 17635 Los Angeles San Clemente Island: mouth of canyon at south end of Seal Cove 15 Comment
  UCD135971  Selaginella bigelovii Tom Gordon; M. Grayum, D. Perry, K. A. Wilson 1974-3-8 70 Los Angeles Placerita Canyon. Comment
  CAS-BOT-BC363456  Senecio californicus Le Roy Abrams 1901-4-1 1197 Los Angeles Ballona Harbor Comment
  UCR271177  Senecio flaccidus var. douglasii R. G. Swinney 2011-11-1 15978 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, 70-200 meters west (upstream) from confluence with North Fork, south side of FS Rd 2N25/W. Fork Scenic Bikeway 476 Comment
  RSA659924  Senecio ionophyllus Orlando Mistretta 1992-8-28 782 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mt. Gleason Management Unit. Angeles National Forest. Tujunga Ranger District. 1814 Comment
  CAS-BOT-BC341201  Senecio lyonii Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  SD51881  Senecio lyonii Peter H. Raven 1962-4-9 17161 Los Angeles San Clemente Island, small ravine above Wilson Cove 74 Comment
  RSA741028  Setaria parviflora Justin M. Wood 2009-1-3 282 Los Angeles City of Monrovia, residential property on El Nido Ave. 171 Comment
  UC56288  Sidalcea malviflora subsp. sparsifolia H. M. Hall May 1-3, 1902 3056 Los Angeles vicinity Elizabeth Lake (Antelope Valley, Southern California); Antelope Valley, vicinity Elizabeth Lake 1066 Comment
  SBBG134045  Silene antirrhina R. Burgess, P. Munro 2005-5-18 6861 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 426 Comment
  RSA4825  Silene gallica James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  SBBG71626  Silene gallica M. N. Ackley -Mar-1927 76 Los Angeles Baldwin Hills 91 Comment
  CAS-BOT-BC387007  Silene gallica Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4436 Los Angeles Los Angeles; Racho Santa Ana Botanic Garden; San Clemente Island Comment
  UCD98709  Silene gallica M. Vincent 1963-4-25 319 Los Angeles Santa Monica Mountains, one fourth mile east of Cornell Road on Mulholland Highway. Comment
  LA94364  Silene laciniata subsp. laciniata A. M. Johnson; 1935-4-26 4576 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA15593  Silene laciniata subsp. major Kathy Molina, Kimball Garrett 1992-5-9 013 Los Angeles Verdugo Mountains, NE slope along Whiting Woods fire trail. 550 Comment
  OBI2689  Silene verecunda Wesley O. Griesel 1962-7-27 730 Los Angeles Lodgepole Picnic Area W of Dawson Saddle, San Gabriel Mts 2286 Comment
  JEPS53892  Sisymbrium altissimum Frank W. Peirson 1918-5-26 61 Los Angeles Henninger Flats; San Gabriel Range, Henninger Flats 868 Comment
  UCR197165  Sisymbrium irio Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1141 Los Angeles Transverse Ranges: Verdugo Mountains, mouth of McDonald Creek 335 Comment
  RSA431745  Sisymbrium officinale L. C. Wheeler 1932-4-29 661 Los Angeles 2 mi NE La Verne 375 Comment
  SBBG131488  Sisymbrium orientale S. A. Junak 1996-4-15 SCI 345 Los Angeles 0.2 mi inland from mouth of Horse Beach Cyn 24 Comment
  UCR186751  Sisymbrium orientale T. B. Salvato, Sandra Murcia 2007-3-28 2020 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  RSA659131  Sisymbrium orientale LeRoy Gross 2001-3-31 375 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road., The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 549 Comment
  UC4228  Sisyrinchium bellum Harley P. Chandler 1897-3-12 Los Angeles Leslie Canyon; Claremont 365 Comment
  RSA682567  Solanum americanum A. C. Sanders 2003-5-26 26846 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  LA51794  Solanum douglasii Monte Lloyd; 1950-7-31 500731p 1645 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 114 Comment
  LA81978  Solanum douglasii O. H. Kappler; 1944-2-12 543 Los Angeles 7 Comment
  RSA0053896  Solanum douglasii R. G. Swinney 2010-2-27 11767 Los Angeles San Gabriel Mountains/ Verdugo Mountains: Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east and from the I-210 Fwy. south to Big Tujunga wash. 331 Comment
  RSA654420  Solanum douglasii Matt Brooks 1988-4-15 12 Los Angeles Whittier, Turnbull Canyon Rd. 1.8 miles east of its intersection with Beverly Blvd. Comment
  RSA660308  Solanum douglasii Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 44 Los Angeles 4.9 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain. Comment
  UCD126023  Solanum douglasii Natalie deGarder 1992-5-30 22 Los Angeles Altadena, 1.5 mi. from Highway 210 up Lincoln Rd to top of Rising Hill Road. 518 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
  RSA608341  Solanum douglasii Louis C. Wheeler 1930-3-8 12 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  SEINET7262340 Image available Solanum elaeagnifolium J. A. Ewan 1932-1 680 Los Angeles West Los Angeles Comment
  UCR205734  Solanum nigrum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37018 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
  CATA2967  Solanum rostratum Oden Vanderwiel Jul 2010 Los Angeles Santa Catalina Island: Buffalo corrals on the way to Two Harbors, in drainage dip 189 Comment
  JEPS85088  Solanum umbelliferum Roy E. Buck, Rexford Palmer 1989-4-29 1238 Los Angeles 10 air km sse of Gorman (s side of Hungry Valley Road, 2.7 air km nw of confluence of Gorman Creek and Hungry Valley drainage, Lower Hungry Valley); Lower Hungry Valley 922 Comment
  POM62605  Solanum umbelliferum C. F. Baker 1903-3-16 4059 Los Angeles Claremont. Comment
  RSA188516  Solanum umbelliferum Robert F. Thorne, John Olmsted 1965-8-26 35383 Los Angeles San Gabriel Mountains: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  RSA427434  Solanum umbelliferum I. W. Clokey, E. G. Anderson 1935-5-9 6878 Los Angeles San Dimas Canyon Comment
  RSA482003  Solanum umbelliferum Richard Noyes 1988-5-12 564 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  RSA78648  Solanum umbelliferum F. W. Peirson 1943-5-15 13550 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  RSA80391  Solanum umbelliferum F. W. Peirson 1918-6-16 186 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  UC64396  Solanum umbelliferum H. M. Hall 1900-6-5 1545 Los Angeles San Antonio Mountains, Swarthout Canyon Swarthout Canyon; San Antonio Mountains, Swarthout Canyon 1828 Comment
  CAS-BOT-BC154692  Solanum umbelliferum C. B. Wolf 1931-5-13 2000 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando 365 Comment
  SBBG105473  Solanum wallacei F. R. Fosberg 1931-5-6 4812 Los Angeles Cape Cyn 200 Comment
  SBBG32132  Solanum wallacei R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -221 Los Angeles S of dam spillway, Middle Ranch Comment
  UC1375369  Solanum wallacei C. Davidson 1971-5-7 1516 Los Angeles toward lower part of Middle Ranch Canyon Middle Ranch Canyon Comment
  UC884961  Solanum wallacei Carl B. Wolf 1932-10-4 4219 Los Angeles Hamilton Canyon, below turn in road, above airport Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 22 Comment
  RSA573719  Solidago californica Timothy S. Ross 1990-8-17 3171 Los Angeles S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2042 Comment
  RSA473613  Solidago californica H. de Forest 1932-10-16 16771 Los Angeles Barley Flats. San Gabriel Mountains, Angeles National Forest. Comment
  POM18232  Sonchus asper P. A. Munz 1923-4-10 6700 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  RSA0045288  Sonchus oleraceus Regina Allen 1983-5-24 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. [County incorrectly listed as San Bernardino] Comment
  SBBG95403  Sonchus oleraceus M. B. Dunkle 1928-5-13 1939 Los Angeles near Wishbone Loop, Coach Rd 243 Comment
  UCR259927  Sonchus oleraceus R. G. Swinney 2010-4-1 12150 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  CAS-BOT-BC236548  Sorghum halepense Peter H. Raven; Henry J. Thompson 1959-10-18 14665 Los Angeles Along Coast Highway 1.6 miles south of junction to Malibu Canyon, Santa Monica Mountains 22 Comment
  UCR150624  Spartium junceum Scott D. White 1997-5-8 5080 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  RSA0110799  Spergularia bocconi R. G. Swinney 2011-4-28 14554 Los Angeles San Gabriel Mountains: north of Glendora, 0.5 miles south of the ridge immediately south of Persinger Cyn. on east side of Glendora Mountain Rd. 927 Comment
  SFV12397  Spergularia bocconi D. L. Koutnik 1978-4-21 404 Los Angeles San Rafael Hills Glendale, at east end of Glenoaks Ave. near Scholl Canyon Park. 305 Comment
  UCR80041  Spergularia bocconi R. Mattoni 1988-4-1 88- 01 Los Angeles Vernon, central Los Angeles, vacant lot in 2400 block of East 28th St. Lot paved about 1 month after this collection was made 64 Comment
  RSA535325  Spergularia macrotheca Timothy S. Ross 1991-5-20 5357 Los Angeles San Clemente Island: un-named knoll ca 51000 ft S of Wilson. Cove settlement; gradual northerly slope 2750 NNW of the 750 BM. 218 Comment
  SBBG43855  Spergularia macrotheca var. macrotheca M. R. Benedict 1971-6-27 Los Angeles NW tip of San Clemente Island Comment
  RSA0098535  Spergularia marina R. F. Thorne, Percy C. Everett 1965-5-11 34539 Los Angeles Santa Catalina Island. Salt flat N of Catalina Harbor. Comment
  RSA0098581  Spergularia villosa R. F. Thorne 1973-4-11 42799 b Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon. 427 Comment
  POM182361  Stachys albens Joseph A. Ewan 1931-10-24 5281 Los Angeles Santa Monica Mountains: 0.5 mile below Seminole Hot Springs. Comment
  SEINET11196344  Stachys albens Unknown 2011-6-29 15340 Los Angeles San Gabriel Mountains Comment
  RSA446645  Stachys bullata Dayton, Mrs. Dayton 1925-4-29 s.n. Los Angeles Baldwin Hills. Comment
  SBBG29840  Stachys rigida I. W. Clokey with E. G. Anderson 1935-5-9 Los Angeles Pomona Hills Comment
  CAS-BOT-BC392525  Stellaria media C. W. Tilforth 1968-2-19 130 Los Angeles Tallac Knoll, LASCA; Arcadia Comment
  LA94345  Stellaria media A. M. Johnson; 1936-3-15 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  CAS-BOT-BC375069  Stephanomeria Cecil Hart 1921-7-1 16 Los Angeles Howard & Smith's nursery, Montebello Comment
  JEPS30638  Stephanomeria exigua subsp. coronaria Peter H. Raven and Henry J. Thompson 1959-9-27 14515 Los Angeles Sepulveda Canyon Santa Monica Mountains 243 Comment
  CAS-BOT-BC322848  Stephanomeria pauciflora John Thomas Howell 1952-10-26 28878 Los Angeles North of Lancaster Comment
  RSA773860  Stephanomeria spinosa R. G. Swinney 2009-8-25 11465 Los Angeles west summit of Table Mountain, NE of Big Pines. 2284 Comment
  SEINET13387122 Image available Stephanomeria virgata R. G. Swinney 2011-1 15421 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), south end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  SFV4126  Stephanomeria virgata K. A. Wilson 1963-10-24 1304 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  SEINET11110038  Stillingia paucidentata Unknown 1966-4-9 s.n. Los Angeles Plants of California Los Angeles County Calyx present; plants perennial; 1 ft.+; deep sandy soil, dunes; few Joshua trees in area but mostly open. Piute Butte Comment
  CLARK-A1528-5285  Stipa cernua John C. Roos 1945-3-14 Los Angeles Los Angeles Comment
  UCR193714  Stipa coronata R. G. Swinney, Dave Larson 1999-5-29 7220 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193532  Stipa hymenoides R. G. Swinney 1999-6-18 7297 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  CATA1630  Stipa lepida Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2903 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 256 Comment
  OBI69335  Stipa lepida John Knapp, Denise Knapp 2003-5-10 56 Los Angeles Catalina Island, 36765.20N x 3696140.19E 427 Comment
  SEINET10610740  Stipa occidentalis LeRoy R. Abrams 1902-6-29 Abrams 2598 Los Angeles Summit of Mt. Wilson. Comment
  HSC24462  Stipa pulchra Gary D. Cromwell, David Wheat 1971-5-14 675 Los Angeles San Gabriel Mts., Mystic canyon, 2 mi. NE of Glendora 595 Comment
  RSA0076957  Stipa speciosa R. G. Swinney 2010-5-19 12823 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
  UCR222836  Stipa speciosa R. G. Swinney 2009-4-28 10547 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA20228  Streptanthella longirostris Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9496 Los Angeles Highway between Adelanto and Lancaster. Comment
  SBBG43674  Streptanthella longirostris E. R. Chandler 1967-4-14 Los Angeles near rd from Victorville to Pearblossom Comment
  RSA383486  Stuckenia pectinata Marie Lade 1932-10-7 16764 Los Angeles Summersed at edge of reservoir Chatsworthy Reservoir, Los Angeles County Comment
  RSA727373  Stylocline psilocarphoides R. G. Swinney 1998-5-16 6080 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA518018  Stylocline psilocarphoides Steve Boyd, Orlando Mistretta 1986-3-31 1556 A Los Angeles Mojave Desert: Highway 138, 4 miles E of junction with Highway 18 NE [NW?] of Pinyon Hills. Comment
  CAS-BOT-BC110402  Suaeda taxifolia Le Roy Abrams 1901-4-10 1457 Los Angeles Near Hyde Park. Comment
  CAS-BOT-BC234658  Symphoricarpos mollis Peter H. Raven 1962-5-22 17849 Los Angeles Santa Catalina Island: on slope near canyon about 1 mile below Middle Ranch Comment