Search Results — 2000 specimen records retrieved (1580 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA800792  Abies concolor Jane Tirrell 2012-8-20 LS 0152 Los Angeles South side of California State Route 2 approx. 1.5 miles west of Dawson Saddle; 100 meters east of mile marker 67.86. 2314 Comment
  SBBG20565  Abronia maritima E. R. Blakley 1963-12-8 6405 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 3 Comment
  RSA460996  Abronia umbellata F. R. Fosberg 1930-6-23 2978 Los Angeles Del Rey. 2 Comment
  UCR255485  Acacia Dan S. Cooper 2014-6-19 614- 12 B Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Wonder View Dr., northwest of Hollywood Reservoir 273 Comment
  SEINET4068103 Image available Acer macrophyllum R. Gustafson 1977-1 402 Los Angeles Off Angeles Crest Highway, about 5 miles from the junction with Foothill Blvd., San Gabriel Mountains. Comment
  SEINET7893902  Acer macrophyllum G. B. Grant 1903-1 17 Los Angeles Mt. Wilson, So Cal. Comment
  SBBG83398  Achillea millefolium M. R. Benedict 1971-6-25 Los Angeles rd to Thirst, about 1.5 mi SW of Wilson Cove Comment
  RSA188312  Achillea millefolium var. californica R. F. Thorne 1966-6-1 36463 Los Angeles Santa Catalina Island, along Pebbly Beach Drive SE of Avalon. 46 Comment
  POM298878  Achnatherum coronatum Frank W. Gould 1944-6-30 2371 Los Angeles Just east of roadcut on Los Flores Canyon Road, 5.9 miles from Coast Hwy Comment
  POM353174  Achnatherum coronatum Edwin Kline 1924-6-22 s.n. Los Angeles Mt. Wilson Comment
  RSA584909  Achnatherum coronatum Timothy S. Ross 1992-5-8 6296 Los Angeles San Antonio Canyon just SW of Mt. Baldy Village along Glendora Ridge Road. 1320 Comment
  RSA21250  Achnatherum hymenoides C. B. Wolf 1937-4-28 8521 Los Angeles 1.8 miles N of Palmdale 793 Comment
  SEINET11679295  Achnatherum hymenoides H. H. Heller 1937-1 411 Los Angeles 16 mi E of Lancaster on Victorville Road Comment
  RSA625162  Achnatherum speciosum L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA730248  Achnatherum speciosum R. G. Swinney 1999-6-5 7268 Los Angeles San Gabriel Mtns.: western end of ridge extending from Big John Peak, above Big John Flat 1768 Comment
  SEINET3915495  Achnatherum speciosum Orlando Mistretta 1992-5-25 450 Los Angeles Transverse Ranges; San Gabriel Mtns region: Fenner Canyon Conservation Camp. S side of camp.; 0 Comment
  SBBG43866  Acmispon argophyllus var. argenteus M. R. Benedict 1971-6-27 Los Angeles NW tip of San Clemente Island Comment
  UCD104128  Acmispon glaber Marc Meyer; Mike Alvord 1993-5-1 23 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. 400 Comment
  LA52428  Acmispon glaber var. glaber A. M. Johnson; 1933-5-17 4271 Los Angeles El Segundo Comment
  LA52404  Acmispon grandiflorus var. grandiflorus E. Lloyd; 1933-4-8 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 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
  CHSC13874  Acmispon maritimus L. M. Mayer 1974-4-5 119 Los Angeles On Big Tujunga Canyon Rd. ca. 3/4 mi NE of junction with Mt. Gleason Boulevard. Comment
  LA52419  Acmispon maritimus var. maritimus C. L. Hogue; 1954-3-30 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  UCSB3217  Acmispon strigosus Haller, John 1957-4-13 Los Angeles Upper Mint Canyon, ca. 5 road miles E of road to Acton and 10 road miles E of Angeles Forest Highway junction 914 Comment
  SD64193  Acmispon strigosus Walter Bertsch 1954-5-12 610 Los Angeles Claremont, end of Mills Avenue 456 Comment
  SD215530  Acmispon wrangelianus Steve Boyd, Lauren Raz and Timothy S. Ross 1997-4-1 9453 Los Angeles Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat. 792 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-BC133187  Adenostoma fasciculatum E. R. Blakley 1961-9-23 4756 Los Angeles At east end of Isthmus Harbor, Santa Catalina Island 30 Comment
  UC1552136  Adenostoma fasciculatum David Charlton 1988-4-2 1479 Los Angeles Cleghorn Rd. turnoff on Cajon Pass (I 15, Swarthout Valley Rd. to end of pavement) 1676 Comment
Read comments
Feb 4 2015
  RSA390481  Adenostoma fasciculatum var. fasciculatum H. de Forest 1934-5-19 s.n. Los Angeles Santa Catalina Island. Comment
  RSA650374  Adenostoma fasciculatum var. fasciculatum Eleanor McClung 1937-5-20 184 Los Angeles Griffith Park. Comment
  RSA724444  Adenostoma fasciculatum var. fasciculatum K. Dobry 1991-5-13 504 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCR271309  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-10-10 15752 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  RSA762352  Adiantum capillus-veneris R. G. Swinney 2009-2-26 10036 Los Angeles Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 366 Comment
  UCR193594  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6704 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  RSA329736  Adiantum capillus-veneris Gary D. Wallace 1966-3-25 221 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  LA200063  Adiantum jordanii Lawrence L. Kiefer; 1966-3-12 1696 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near road just S of Malibu Lake. 243 Comment
  LA94097  Adiantum jordanii Lawrence L. Kiefer; 1966-4-10 1840 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, 1 mi S of Mulholland Dr. 304 Comment
  UCR255780  Ageratina adenophora R. G. Swinney 2010-4-15 12269 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  RSA640255  Ageratina adenophora R. F. Thorne 1971-4-23 41474 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  POM183643  Agoseris grandiflora var. grandiflora Joseph A. Ewan 1929-5-25 3481 Los Angeles Santa Monica Mts. Above Providencio Rancho. Comment
  UCR256436  Agrostis exarata R. G. Swinney 2010-9-9 13777 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  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
  UCR182762  Agrostis stolonifera R. G. Swinney 1997-7-23 5734 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  RSA573461  Ailanthus altissima Tim S. Ross 1992-5-8 6306 Los Angeles San Gabriel Mountains: margin of Glendora Mountain Road, along the south ridge of Glendora Mountain near the head of Sharps Canyon. 780 Comment
  UC194801  Allium burlewii A. Davidson, M. D. July 1916 3164 Los Angeles Mt. San Antonio Comment
  CAS-BOT-BC469354  Allium fimbriatum var. fimbriatum Timothy S. Ross 1991-4-27 4721 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 1091 Comment
  LA33455  Allium haematochiton Henry J. Thompson; 1959-3-27 1882 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi. E of peak. 701 Comment
  RSA679920  Allium monticola LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 929 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA367121  Allium praecox F. R. Fosberg 1931-4-13 692 Los Angeles Santa Catalina Island, near Avalon. 60 Comment
  CAS-BOT-BC475403  Allium praecox Carl B. Wolf 1932-5-12 3583 Los Angeles Santa Catalina Island. 2 mi. from isthmus on road to little harbor 91 Comment
  POM8610  Allophyllum divaricatum P. A. Munz, R. D. Harwood 1920-4-21 3682 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA151507  Allophyllum glutinosum P. H. Raven 1962-5-23 17858 Los Angeles Santa Catalina Island: near Bird Park, Memorial Canyon, Avalon. Comment
  RSA334149  Allophyllum glutinosum R. F. Thorne 1969-7-2 38204 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  UC126060  Allophyllum glutinosum T. S. Brandegee 1890-5-20 Los Angeles Santa Catalina Isl. Comment
  LA210847  Allophyllum glutinosum Arthur C. Gibson; 2008-7-8 5233 Los Angeles SANTA MONICA MOUNTAINS, upper Encinal Rd. Comment
  CAS-BOT-BC170975  Alnus rhombifolia Joseph Andorfer Ewan; Nesta Ewan 1936-8-16 10090 Los Angeles Along dry creek bed, Mt. Waterman - Twin Peaks Saddle. San Gabriel Mts. 1981 Comment
  RSA0091166  Alnus rhombifolia R. G. Swinney 2011-6-30 15402 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA482493  Alnus rhombifolia Richard Noyes 1987-10-17 458 Los Angeles San Gabriel Mountains. San Antonio Canyon. One-half mile north of Mt. Baldy road tunnels along gated road leading to power station. 1037 Comment
  SFV20793  Alnus rhombifolia L. Gross, N. Fraga, S. Williams 2002-7-17 551 Los Angeles Verdugo Mountains North side, La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road. 425 Comment
  UC847416  Alnus rhombifolia Marcus E. Jones, A. M. 1882-2-25 2864 Los Angeles Pasadena Comment
  SEINET10746295  Alocasia Thomas B. Croat 2003-4-6 Croat 87601 Los Angeles Los Angeles County Arboretum, Rare Plant House. Comment
  RSA403434  Alternanthera caracasana Freda Detmers 1932-7-10 s.n. Los Angeles Los Angeles. Comment
  SEINET10481955  Alyssum alyssoides Robert F. Thorne 1969-7-2 Thorne 38261 Los Angeles San gabriel mts., Angeles nat'l forest: open, dry coulter pine forest at upper Chilao campground. 1615 Comment
  SBBG112923  Amaranthus albus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-10-22 SCa 825 Los Angeles Cherry Cove near buildings at Boy Scout Camp Comment
  UCR200306  Amaranthus albus Steve Boyd, Mark A. Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11703 Los Angeles Transverse Ranges; Liebre Mountains, southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains 1024 Comment
  RSA573476  Amaranthus albus T. S. Ross 1992-6-15 6564 Los Angeles Whitier Hills(local namefor the western extremity of the Puente Hills) Knoll at the head of the S fork of Sycamore Canyon. 372 Comment
  RSA402972  Amaranthus blitoides Anstruther Davidson 1917-9-1 s.n. Los Angeles Streets, Los Angeles Comment
  POM155899  Amaranthus blitoides L. R. Abrams 1904-9-2 4183 Los Angeles Railroad embankment. Comment
  RSA600759  Amaranthus blitoides L. C. Wheeler 1967-6-26 9872 Los Angeles Elsmere Canyon 441 Comment
  CDA23678  Amaranthus californicus G. C. Fleischman 1946-10-2 Los Angeles Sana Bernardino Basin; Puddingstone Reservoir near San Dimas. 0 Comment
  UCR150958  Amaranthus palmeri Sandra L. Leatherman, Brian Daniels 1998-10-27 56 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon: adjacent to Bouquet Canyon Road, south of Vasquez Canyon Road and north of Esguerra Road 488 Comment
  UCR143337  Amaranthus powellii Anstruther Davidson 1917-1 3299 Los Angeles Los Angeles Basin, Los Angeles 152 Comment
  UCR54033  Amaranthus retroflexus S. J. Myers 1988-10-13 s.n. Los Angeles Mojave Desert, East Lancaster, at and near Little Rock Wash, between 40th St. E and 70th St. E and between Ave. L and Ave. J 734 Comment
  RSA177889  Amblyopappus pusillus R. F. Thorne, Percy C. Everett 1965-5-11 34536 Los Angeles Near Ballast Point, E side of Catalina Harbor, Santa Catalina Island 45 Comment
  RSA535692  Amblyopappus pusillus Timothy S. Ross 1991-5-22 5446 Los Angeles San Clemente Island. Spray [point], W side of island about 5300 feet N of El Point. Coastal terrace. 9 Comment
  SBBG12555  Amblyopappus pusillus P. H. Raven 1962-5-8 17590 Los Angeles above Seal Cove 38 Comment
  UC1506376  Ambrosia artemisiifolia Oscar F. Clarke 1970-8-5 Los Angeles Northridge, at the home of Judy Owen, 8841 Ouakertown Ave Northridge Comment
  CAS-BOT-BC13722  Ambrosia chamissonis Le Roy Abrams 1902-6-9 2492 Los Angeles Playa del Rey Comment
  UC57583  Ambrosia chamissonis J. H. Barber 1898-7-27 Los Angeles Santa Monica Forestry Station Comment
  IRVC28690  Ambrosia psilostachya A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25475 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  LA31632  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  RSA729488  Amelanchier utahensis R. G. Swinney 1999-6-21 7386 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  UC1929555  Amorpha californica Scott D. White, Justin Wood 2008-5-6 11933 B Los Angeles Puente / Chino Hills: Chino Hills, NW of Carbon Canyon Rd and SE of Tonner Canyon, on SCE powerline corridor (SE corner of county). Firestone Boy Scout Reservation. Comment
  UC66687  Amsinckia eastwoodiae N. K. Berg 1904-4-14 Los Angeles Santa Monica Comment
  RSA0069776  Amsinckia intermedia LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6994 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
  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
  CHSC85794  Amsinckia tessellata Richard R. Halse 2002-3-25 6134 Los Angeles Along State Hwy. 138, 5.3 miles W of its junction with State Hwy. 14; Antelope Valley. Road margins. 723 Comment
  SBBG89161  Amsinckia tessellata A. C. Sanders, E. J. Lawlor 1988-4-3 7744 Los Angeles 1 mi NW of Gorman on a gasline rd, 0.4 mi above the old hwy 1280 Comment
  RSA0065392  Anagallis arvensis Dolores Perez 1981-4-26 29 Los Angeles Dr. at junction of 79th St. in Playa del Rey. Comment
  RSA747415  Anisocoma acaulis R. G. Swinney 2008-5-12 8841 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  CLARK-A1528-1547  Anisocoma acaulis John C. Roos 1952-5-17 5678 Los Angeles Mojave Desert 914 Comment
  CATA886  Anthemis cotula Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1699 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  RSA0110798  Anthriscus caucalis R. G. Swinney 2011-4-28 14532 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
  RSA0120032  Anthriscus caucalis R. G. Swinney 2014-5-15 16524 Los Angeles San Gabriel Mountains; Azusa Peak, 0.06 miles s. of Glendora Ridge Mtwy., 1.34 mi. due east of Hwy. 39, 0.15 miles e. of north Garcia Trailhead, in Colby Fire burn area of Jan. 2014. 625 Comment
  UC1605246  Anthriscus caucalis Tim Ross and Steve Boyd 1991-4-25 4592 Los Angeles lower Graveyard Canyon ((which joins the East Fork of the San Gabriel River at ca 1540 ft elev)); San Gabriel Mountains, Glendora 7.5' U.S.G.S. quad. 536 Comment
  LA52029  Antirrhinum coulterianum Carl Epling; 1926-5-8 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA11019  Antirrhinum coulterianum Carl B. Wolf 1928-4-1 1609 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  POM125866  Antirrhinum kelloggii C. F. Baker 1904-4-22 4172 Los Angeles Monrovia. Comment
  JEPS83291  Antirrhinum multiflorum David M. Thompson 1983-8-1 382 Los Angeles vicinity Red Box Gap and Red Box Gap Ranger Station (about 0.1 mi w on Hwy 2 (Angeles Crest Hwy) from its junction with road to Mt. Wilson Observatory, Chilao Flat Quad. (7.5', 1959)); Angeles National Forest, San Gabriel Mts. 1432 Comment
  RSA713830  Antirrhinum multiflorum Valerie Oriol 2003-12-18 s.n. Los Angeles Angeles National Forest, San Dimas Experimental Forest; watershed 0516 off the Glendora Ridge Rd. within a mle of Tanbark Flats. 762 Comment
  RSA80433  Antirrhinum multiflorum F. W. Peirson 1951-1 190 Los Angeles Summit of Mt. Lowe Comment
  UCR127240  Antirrhinum multiflorum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2927 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR216453  Antirrhinum multiflorum Nolan M. Ung 2008-5-26 042 Los Angeles San Gabriel Mountains, San Antonio Canyon above Upland, south of Mt. Baldy Village at Angeles National Forest fire station, just north of Shinn Rd., near San Bernardino Co. line 762 Comment
  RSA187755  Antirrhinum nuttallianum subsp. subsessile Robert F. Thorne 1966-4-6 35889 Los Angeles Santa Catalina Island. Between White and Moonstone Coves. 15 Comment
  SD115059  Aphyllon californicum subsp. feudgei W. P. Armstrong 1983-8-1 1158 Los Angeles San Gabriel Mountains; Blue Ridge Road 0.5 mile east of Guffy Campground. 2377 Comment
  RSA729424  Aquilegia formosa R. G. Swinney 1998-7-14 6429 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  UCR261787  Aquilegia formosa R. G. Swinney 2010-9-13 13823 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  POM184682  Aquilegia formosa Joseph A. Ewan 1932-6-12 7380 Los Angeles 1/2 mile below Falls Creek, Tujunga Canyon, San Gabriel Mountains 762 Comment
  UCR149897  Arabis pulchra R. G. Swinney 1999-6-18 7309 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 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
  RSA77502  Aralia californica F. W. Peirson 1904-8-28 131 Los Angeles Little Santa Anita Canyon, south base of San Gabriel Mts. Comment
  UCR95552  Arbutus menziesii L. C. Wheeler 1966-11-26 9157 Los Angeles San Gabriel Mtns., West Fork San Gabriel Canyon Drainage. Pine Mountain Truck Trail 915 Comment
  CAS-BOT-BC409991  Arceuthobium campylopodum Joseph Andorfer Ewan 1936-8-17 10111 Los Angeles Little Rock-Bear Creek Divide, San Gabriel Mountains 1981 Comment
  RSA0073275  Arceuthobium campylopodum Bonnie C. Templeton 1932-5-31 4846 Los Angeles Big Pines Camp, Angeles Natl. Forest. Comment
  RSA626728  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22112 Los Angeles Glendora Ridge Road, 7 km southwest of Baldy Road. 1410 Comment
  CAS-BOT-BC24912  Arctostaphylos glandulosa subsp. adamsii John Thomas Howell 1942-10-19 17873 Los Angeles Charlton Flat, San Gabriel Mts. Comment
  RSA367255  Arctostaphylos glandulosa subsp. gabrielensis B. C. Templeton 1956-4-22 7684 Los Angeles near Charlton Flats 1829 Comment
  RSA626797  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley 1978-9-4 7236 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1650 Comment
  RSA698749  Arctostaphylos glandulosa subsp. glaucomollis LeRoy Gross, Paul Morton 2004-6-9 1335 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road. Finish near the NW corner of section 3 and started at the west end of section 12,, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  POM3279  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1917-7-1 1748 Los Angeles Evey Canyon. 1372 Comment
  RSA626774  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20487 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA626784  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20214 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631300  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1992-10-11 21988 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  UC1120255  Arctostaphylos glandulosa subsp. mollis P. L. Johannsen 1934-1-27 246 Los Angeles 1 1/2 mi e Oat Mountain; Santa Susana Quadrangle Comment
  RSA127925  Arctostaphylos glauca P. H. Raven, H. J. Thompson 1959-2-25 13813 Los Angeles Saddle Peak. 808 Comment
  RSA631437  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15617 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA631454  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16038 Los Angeles Ridge Route, 12 km south of Liebre Gulch turnoff. 950 Comment
  RSA631567  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22000 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 Comment
  RSA631668  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15804 Los Angeles San Gabriel Canyon, Highway 39, 9-10 km north of ORV area. 900 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
  RSA633073  Arctostaphylos mariposa James McCammon 1966-5-1 13 Los Angeles Leibre Mountain Road, Angeles National Forest. 1580 Comment
  RSA634721  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20520 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634733  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20422 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
  RSA635135  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-8-3 11155 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  POM156715  Arctostaphylos patula L. R. Abrams 1902-7-12 2703 Los Angeles Mt. San Antonio 2744 Comment
  RSA635253  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20641 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  RSA748794  Arctostaphylos patula R. G. Swinney 2001-8-9 8019 Los Angeles Mount Williamson, third peak from east on the ridge. 2513 Comment
  RSA726747  Arctotis grandis L. C. Wheeler 1933-6-24 1889 Los Angeles Alosta Ave. at Glendora Ave., Glendora. 229 Comment
  RSA65498  Arenaria macradenia var. arcuifolia F. W. Peirson 1923-5-25 4286 Los Angeles Summit of Mint Canyon Grade, s. w. Mojave Desert. 975 Comment
  RSA65497  Arenaria serpyllifolia F. W. Peirson 1924-5-27 4622 Los Angeles Colby's Ranch 975 Comment
  UC9889  Argemone munita J. H. Barber 1897-6-24 172 Los Angeles Saugus Comment
  SBBG13295  Aristida adscensionis M. A. Piehl 1962-6-9 62341 Los Angeles near head of China Cyn, ca. 2 mi from China Pt 213 Comment
  IRVC8955  Artemisia californica P. W. Rundel 1965-2-6 1515 Los Angeles Palmer Canyon; just north of Padua Hills, west slope. San Gabriel Mountains 610 Comment
  SD217209  Artemisia californica Steve Boyd, Tim Ross & Laurel Arnseth 1990-4-8 4420 Los Angeles San Clemente Island, east side of island; Bryce Canyon near Malo Point Comment
  UC472244  Artemisia californica R. L. Pendleton 1909-7-2 1373 Los Angeles road e of Avalon; Santa Catalina Island Comment
  UC557795  Artemisia californica Nell Murbarger 1936-4-1 149 -1 Los Angeles e side of San Clemente Island Comment
  UCR117561  Artemisia californica A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23258 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 595 Comment
  UCR252781  Artemisia californica R. G. Swinney 2010-3-10 11798 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  POM015553  Artemisia californica Fay A. MacFadden 1929-10-3 1320 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  CATA1517  Artemisia douglasiana Mark L. Hoefs, Steven A. Junak 1996-7-9 2735 Los Angeles Santa Catalina Island: By Lower Cape Canyon Reservoir, Cape Canyon 237 Comment
  IRVC24024  Artemisia douglasiana Fred M. Roberts, Gordon A. Marsh 1985-10-16 2489 Los Angeles Long Beach: Los Angeles River Channel between Willow St. and Pacific Coast Hwy, 3-4.5km from ocean, along margin of channeled river course in early successional riparian habitat, sandy soil. southern coastal 5 Comment
  UCR218005  Artemisia douglasiana A. C. Sanders, Dan S. Cooper 2010-8-5 38568 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  POM6101  Artemisia douglasiana Philip A. Munz, I. M. Johnston 1918-5-19 2263 Los Angeles Claremont. Comment
  CAS-BOT-BC93827  Artemisia dracunculus Timothy S. Ross; Steve Boyd 1994-9-20 8222 Los Angeles Liebre Mountains - Upper Bee Canyon: drainage on SE side of Antelope Valley Freeway (Hwy 14), 1.1 road miles SW of Agua 740 Comment
  CAS-BOT-BC93828  Artemisia dracunculus Le Roy Abrams 1901-4-6 1392 Los Angeles Big Tujunga Wash Comment
  RSA0091504  Artemisia dracunculus R. G. Swinney 2011-10-10 15739 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  UCR193577  Artemisia dracunculus R. G. Swinney 1999-4-5 7061 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  RSA417317  Artemisia dracunculus B. C. Templeton 1932-8-26 5091 Los Angeles West Blue Ridge, Big Pines Park. San Gabriel Mountains 2195 Comment
  RSA760586  Artemisia ludoviciana R. G. Swinney 2008-10-16 9618 Los Angeles Big Pine Meadow 2061 Comment
  UCR86530  Artemisia nesiotica T. S. Ross, E. Kellogg 1992-4-13 6147 Los Angeles San Clemente Island, NW part of the island 2 deg. terrace, ENE of Darter 50 Comment
  UCR189822  Artemisia tridentata R. G. Swinney 1998-9-4 6895 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR223303  Artemisia tridentata R. G. Swinney 2009-7-29 11427 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  RSA562694  Artemisia tridentata subsp. parishii D. Charlton 1989-9-15 4148 b Los Angeles Plant 42, east of Palmdale 762 Comment
  RSA0059643  Arthrocnemum subterminale R. F. Thorne 1973-09 44717 Los Angeles Santa Catalina Island, small salina at base of Ballast Pt. in Catalina Harbor. Comment
  RSA574513  Asclepias californica R. G. Swinney 1993-8-31 2626 Los Angeles Eastern San Gabriel Mountains: Horse Canyon, 1.8 mi E of Hwy 2 at FS Road 3N12 1707 Comment
  RSA187845  Asclepias fascicularis R. F. Thorne 1966-4-7 35977 Los Angeles Santa Catalina Island: upper small ponds near Arrow Point, W end of island. 61 Comment
  SBBG16837  Asclepias fascicularis M. Vincent 1962-7-10 273 Los Angeles Dry Cyn 0.5 mi W of Old Topanga Cyn Rd Comment
  SD231186  Asclepias vestita Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 50506 85 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. 1444 Comment
  SEINET10359300 Image available Asparagus densiflorus Unknown 2015-1 501 Los Angeles Santa Monica, CALIFORNIA. Los Angeles Co.: Santa Monica, behind Loews Santa Monica Beach Hotel, along Ocean Ave. Comment
  CAS-BOT-BC68852  Aspidotis californica L. R. Abrams 1901-4-15 1499 Los Angeles Wilson Trail Comment
  UCR208182  Aspidotis californica I. W. Clokey, B. C. Templeton 1929-1 4435 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR126572  Astragalus didymocarpus A. C. Sanders 2003-4-16 26035 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  RSA415462  Astragalus didymocarpus var. didymocarpus Anstruther Davidson 1920-1 s.n. Los Angeles Playa Del Rey Comment
  POM8877  Astragalus douglasii W. R. Dudley, F. H. Lamb 1896-6-12 4440 Los Angeles Gorman's Station Comment
  RSA593775  Astragalus gambelianus Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8556 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
  UCR280516  Astragalus gambelianus R. G. Swinney 2014-5-13 16501 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  SFV6462  Astragalus lentiginosus var. variabilis T. Gordon, W. C. Willig, K. A. Wilson 1974-4-28 215 Los Angeles Mojave Desert Lancaster Blvd. 5 miles south of Rosamond. 710 Comment
  POM19095  Astragalus miguelensis P. A. Munz 1923-4-8 6606 Los Angeles San Clemente Island, northwest coast. Comment
  RSA600727  Astragalus pachypus var. pachypus L. C. Wheeler 1955-4-17 7140 Los Angeles San Gabriel Mountains: Cima Mesa. Comment
  CAS-BOT-BC304393  Astragalus purshii var. tinctus R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-3-26 724 Los Angeles Hungry Valley State Vehicular Recreation Area. Off Interstate-5, about 2 miles west of Gorman 1371 Comment
  RSA3490  Astragalus trichopodus C. B. Wolf 1932-5-9 s.n Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 8 Comment
  CATA373  Astragalus trichopodus var. lonchus Mark L. Hoefs 1974-3-28 426 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 219 Comment
  SBBG118598  Astragalus trichopodus var. phoxus J. Henrickson 1985-3-30 19794 Los Angeles ca. 2 mi N of Newhall in riverbed and S Fk of the Santa Clara River, near crossing of Saugus Rd 306 Comment
  UCR239612  Astragalus trichopodus var. phoxus Dan S. Cooper 2012-6-15 612- 48 Los Angeles Western Transverse Range; Santa Monica Mountains, Sherman Oaks, Deervale-Stone Canyon Park 363 Comment
  UCR252766  Astragalus trichopodus var. phoxus R. G. Swinney 2010-3-10 11809 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  RSA190962  Athysanus pusillus R. F. Thorne, Reed C. Rollins, D. Propst, R. Carolin 1967-3-18 36749 Los Angeles Santa Catalina Island: lower end Bullrush Canyon 183 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
  SD244668  Atriplex canescens David Keil 1986-9-27 19742 2 Los Angeles Along I-5 just S of Hungry Valley Road exit. Roadside pullout. 91 Comment
  POM278670  Atriplex canescens subsp. canescens Grant D. Brown 1949-11-7 426 Los Angeles 1 mile N of Valyermo Comment
  RSA746735  Atriplex glauca A. C. Sanders, T. B. Salvato 2009-5-19 36812 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. 110 Comment
  UCR126364  Atriplex heterosperma A. C. Sanders 2003-8-6 27121 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UC7044 Image available Atriplex lentiformis subsp. lentiformis W. H. Brewer 1863-12-21 75 Los Angeles Santa Monica; ; Sierra Santa Monica, near Camp 3 Comment
  SDSU5539  Atriplex leucophylla R. M. Beauchamp 1967-3-19 326 Los Angeles San Clemente Island. Comment
  RSA478379  Atriplex rosea Robert L. Dressler 1948-7-28 67 Los Angeles Baldwin Hills, rolling hills with grass cover. Comment
  CAS-BOT-BC176736  Atriplex serenana var. serenana A. D. E. Elmer 1902-6-1 3984 Los Angeles Lancaster Comment
  SEINET4136174  Atriplex serenana var. serenana Steve Boyd, L. Raz 1996-10-14 9036 Los Angeles Liebre Moutains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road.; 0 671 Comment
  SD52990  Atriplex watsonii Peter H. Raven 1962-7-12 18019 Los Angeles San Clemente Island, east end of Northwest Harbor. 29 Comment
  RSA453979  Atriplex watsonii M. B. Dunkle 1939-4-5 7264 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA385384  Avena barbata H. L. Bauer 1928-10-12 s.n. Los Angeles Long Beach. Comment
  UCD56113  Avena barbata A. A. Beetle 1942-4-18 3248 Los Angeles Foothill Blvd., 13 miles south of Pasadena. Comment
  UCR273106  Avena barbata R. G. Swinney 2011-4-26 14520 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  SD90601  Avena fatua Robert F. Thorne 1966-4-16 36063 Los Angeles San Clemente Island, steep slope of canyon below Lemon Tank near dump, south of Nanny, northeast side of island 182 Comment
  UCR213404  Avena fatua A. C. Sanders, Dan S. Cooper 2010-3-12 37348 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA385397  Avena fatua Albert J. Perkins 1920-02 s.n. Los Angeles Street in western Los Angeles. Comment
  UCR23357  Azolla filiculoides John C. Roos 1942-3-7 1009 Los Angeles San Gabriel Mtns., Big Tujunga Canyon 457 Comment
  SBBG13803  Azolla filiculoides M. A. Piehl 1962-10-3 62522 Los Angeles Middle Ranch Crk; Cottonwood Crk at bridge along main rd, W side of island Comment
  POM155748  Baccharis emoryi M. B. Dunkle 1928-10-7 2009 Los Angeles Santa Catalina Island, Middle Ranch Canyon. 183 Comment
  RSA599027  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon 1/4 mi. southeast of Sierra Highway 451 Comment
  UCR197187  Baccharis pilularis Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 678 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  OBI56533  Baccharis pilularis var. consanguinea Louis C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mtns: Placerita Cayn ca. 1/2 mi beyond Oak of the Golden Dream (same location as spring collection). Comment
  POM350347  Baccharis salicifolia F. R. Fosberg 1931-3-23 4330 Los Angeles Hamilton Canyon, Santa Calalina Island 20 Comment
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Jun 5 2014
  RSA226249  Baccharis salicifolia Gary D. Cromwell, David W. Wheat 1971-4-16 512 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi. NE of Glendora. 518 Comment
  SFV3745  Baccharis salicifolia K. A. Wilson, D. E. Bianchi 1961-2-2 814 Los Angeles Santa Susana Mountains Granada Hills. Base of Limekiln Canyon. 350 Comment
  UCSB6384  Baccharis salicifolia Kamb, Peter 1848-1-10 Los Angeles Upper Sonoran Zone, Millard's Canyon, San Gabriel Mts. 670 Comment
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Jan 29 2017
  JEPS40692  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1941-10-28 20646 Los Angeles Fremont Pass Comment
  RSA0082914  Bassia hyssopifolia Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3134 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Immediately above beach at foot of cliff. 2 Comment
  UCR127388  Bassia hyssopifolia A. C. Sanders, Mark Elvin 2002-8-7 25560 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA423220  Bassia hyssopifolia Robert Gustafson 1980-8-8 1894 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA85318  Berberis nevinii F. W. Peirson 1920-3-28 646 Los Angeles About halfway between Devil's Gate and the mountains, Arroyo Seco, west of Altadena 335 Comment
  CATA758  Beta vulgaris Mark L. Hoefs 1991-5-22 1289 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  UCR136841  Bidens pilosa John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA601574  Bloomeria crocea L. C. Wheeler 1967-6-16 9845 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  RSA657465  Bloomeria crocea S. Campbell 1980-6-4 37 Los Angeles Verdugo Mountains: Eastern slope of Verdugo Mountains on hill between Wabasso Way and Opechee Way. 267 Comment
  RSA367320  Bloomeria crocea var. crocea Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  UC1605494  Boechera californica Tim Ross and Steve Boyd 1991-4-25 4603 Los Angeles lower Graveyard Canyon San Gabriel Mtns, Glendora 7.5' USGS Quadrangle ((which joins the lower E Fk of the San Gabriel River at ca 1540 ft elev.)) 512 Comment
  SEINET3915184  Bolboschoenus maritimus subsp. paludosus Timothy S. Ross, Steve Boyd 1994-9-21 8333 Los Angeles Liebre Mountains. 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage. Liebre Mountain 7.5' USGS Quadrangle.; 0 1149 Comment
  CATA1398  Bothriochloa barbinodis Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2540 Los Angeles Santa Catalina Island: By road to Salta Verde, lower portion of road, toward Salta Verde 390 Comment
  RSA534034  Bowlesia incana Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5279 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove(drainage beginning 800 ft. N of Rest 1336 marker; 1800 ft SE of Malo Knoll (1396 ). Upper portion of drainage. 305 Comment
  CAS-BOT-BC420335  Boykinia rotundifolia Tim Ross; Walter Appleby 1993-6-7 7368 Los Angeles W end of the San Gabriel Mtns: Los Pinetos Spring 886 Comment
  LA201685  Boykinia rotundifolia Arthur C. Gibson; 2003-5-30 4829 Los Angeles Comment
  RSA799905  Boykinia rotundifolia Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 8 Los Angeles Glendora Ridge Road 1288 Comment
  SBBG119137  Boykinia rotundifolia S. D. White 2004-8-20 10724 Los Angeles W of Upper Big Tujunga Cyn Rd, ca. 2 air mi N of jct with Angeles Crest Hwy; T3N R11W S32, SW1/4 1067 Comment
  UCR157690  Boykinia rotundifolia Scott D. White 1994-7-18 2271 Los Angeles San Gabriel Mtns., San Dimas Canyon; along San Dimas Canyon Road 488 Comment
  SBBG70951  Boykinia rotundifolia E. Rockwell -May-1922 998 Los Angeles Big Dalton Cyn 883 Comment
  UC195529  Boykinia rotundifolia D. L. Crawford 1915-7-15 551 Los Angeles mts near Claremont; Mts. near Claremont Comment
  RSA724771  Brassica fruticulosa K. Dobry 1991-4-4 400 Los Angeles Elsmere Cyn. West San Gabriel Mts Comment
  SD181649  Brassica fruticulosa Valerie Soza, Steve Boyd and Gary Wallace 2000-3-28 654 A Los Angeles San Gabriel Mountains; Cobal Canyon, Claremont Hills Wilderness Park, at junction of main fire road and Thompson Creek. 518 Comment
  SEINET10904164  Brassica geniculata Donald R. Bissing 1973-6-2 Bissing 152 Los Angeles Evey canyon, san gabriel mtns: at mouth of canyon along fire rd in mixed evergreen forest. 707 Comment
  SBBG128295  Brassica nigra A. Cheung, D. Kasang, S. Lawrence-Gomez, M. Zou, S. Raray 2011-7-1 17 Los Angeles Deer Valley Trail 42 Comment
  UCR260328  Brassica nigra R. G. Swinney 2010-5-4 12553 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA226190  Brassica rapa Gary D. Cromwell, David W. Wheat 1971-5-14 689 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 396 Comment
  LA210055  Brassica rapa John O'Leary; 1950-7-6 Los Angeles Santa Monica Mountains, UCLA campus 121 Comment
  RSA482913  Brassica rapa Ora M. Clark 1929-1-13 1470 Los Angeles N of San Pedro. Comment
  CAS-BOT-BC100428  Brickellia californica H. E. McMinn 1924-7-25 1329 Los Angeles Catalina Island Comment
  POM294582  Brickellia californica Lyman Benson 1945-12-10 11974 Los Angeles Mouth of Dalton Canyon. San Gabriel Mt. Ranges. 335 Comment
  POM351115  Brickellia californica M. Bisbee s.n. Los Angeles Hills north of Eagle Rock Comment
  RSA604375  Brickellia microphylla L. C. Wheeler 1970-9-12 s.n. Los Angeles San Gabriel Mountains: Mine Gulch Camp, East Fork San Gabriel River. 1371 Comment
  RSA0105690  Briza minor Amy Catalano, Steve Junak 2016-4-28 16 -093 Los Angeles Santa Catalina Island. Just northeast of entrance to Howland's Landing. 17 Comment
  RSA0085068  Brodiaea filifolia Pam DeVries 2001-5-18 s.n. Los Angeles San Gabriel Mountains Foothills: Glendora area. In or near Wildwood Canyon. 463 Comment
  RSA669628  Bromus arizonicus LeRoy Gross 2002-4-13 525 Los Angeles At intersection of Stough Canyon Mountainway and Verdugo Mountainway, along main crest. 579 Comment
  RSA773824  Bromus carinatus R. G. Swinney 2009-6-3 11034 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CATA1990  Bromus catharticus Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 367 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
  RSA562677  Bromus diandrus D. Charlton 1993-4-24 s.. Los Angeles Edwards AFB, Western Mojave Desert. 701 Comment
  RSA599354  Bromus diandrus L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  RSA705569  Bromus diandrus Gary D. Wallace, M. Wallace 1985-3-2 2173 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  UCSB68614  Bromus diandrus Gross, LeRoy; Fraga, Naomi; Hogshead, Bill 2002-3-21 Los Angeles Los Angeles Basin; Verdugo Mtns Region; SW side, S of La Tuna Canyon Rd, at end of Morning Glow Way; Burbank 7.5 Quad (T2N R14W S28) 411 Comment
  CAS-BOT-BC155593  Bromus grandis Carl B. Wolf 1936-5-27 7845 Los Angeles San Gabriel Mountains. Indian Canyon Camp, 2 miles off Soledad Canyon. 914 Comment
  RSA577553  Bromus grandis L. C. Wheeler 1933-7-4 1894 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  RSA729205  Bromus hallii R. G. Swinney 1998-10-3 7001 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1/2 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  POM363875  Bromus hordeaceus N. C. Cooper 1945-5-1 2215 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  SEINET7106140  Bromus hordeaceus K. Dobry 1991-5-13 482 Los Angeles West San Gabriel Mts. at Elsmere Canyon.; 0 Comment
  UC1109358  Bromus hordeaceus Peter H. Raven 1962-5-8 17599 Los Angeles San Clemente Island, at s end of Seal Cove Seal Cove; San Clemente Island, Seal Cove 15 Comment
  POM364034  Bromus laevipes Louis Greata 1901-09 s.n. Los Angeles Arroyo Seco. Comment
  SBBG117005  Bromus madritensis S. A. Junak 2001-5-18 SCa 1531 Los Angeles Avalon Cyn, at Wrigley Memorial Garden Comment
  UCR177622  Bromus madritensis LeRoy Gross, Valerie Soza 2001-6-6 441 Los Angeles Los Angeles Basin region:, Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. 427 Comment
  PASA646  Bromus rubens Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  POM145682  Bromus rubens Le Roy Abrams 1927-4-30 11709 Los Angeles Head of Antelope Valley. 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
  RSA659835  Bromus rubens Orlando Mistretta 1992-4-5 193 Los Angeles Guds, San Clemente Island. Comment
  UCR259559  Bromus tectorum R. G. Swinney 2010-9-7 13692 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCSB49805  Bromus tectorum Black, Nan 1968-5-10 Los Angeles 25 yds S of Escondido Canyon Rd, 0.3 mi S of jct with State Highway 14 914 Comment
  RSA0019949  Bromus tectorum Anstruther Davidson 1919-06 3329 Los Angeles Streets, Los Angeles. Comment
  UCR138132  Calandrinia ciliata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  RSA251533  Callitriche marginata R. F. Thorne 1973-4-11 42802 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  UCR270250  Calocedrus decurrens R. G. Swinney 2011-10-10 15769 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  LA22304  Calochortus albus Flora Murray Scott; May 1926 sn Los Angeles Santa Monica Mountains, Malibu Ranch Comment
  RSA377299  Calochortus catalinae E. Crow 1929-4-14 326 Los Angeles Hills 2 miles east of Glendora Comment
  UC205717  Calochortus catalinae S. B. Parish 1919-4-19 19269 Los Angeles Lone Hill, near San Dimas Comment
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Oct 2 2016
  UCR259598  Calochortus catalinae R. G. Swinney 2010-6-8 13178 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  UCR16298  Calochortus clavatus Dave Cerf 1971-5-8 s.n. Los Angeles San Martinez Grande Canyon Road 1 mi north of Hwy 126 305 Comment
  PASA530  Calochortus clavatus Ball 4/64 Los Angeles W. LA county. Ridge Route Comment
  IRVC26957  Calochortus clavatus var. gracilis A. C. Sanders 2003-4-17 26065 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  RSA597026  Calochortus invenustus Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3821 Los Angeles ridgetop to the NW of Crystal Lake (ridge descending SSW from Mt. Islip) 2072 Comment
  RSA618699  Calochortus invenustus Scott D. White 1998-5-19 6515 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 Freeway/ Old Ridge Route and the lake. Proposed North Lake Planned Community 427 Comment
  RSA646952  Calochortus invenustus Orlando Mistretta 1993-6-28 896 Los Angeles San Gabriel Mtns: Angeles National Forest. Table Mtn; Sunrise ski area. Comment
  RSA97698  Calochortus invenustus R. M. Straw 1954-6-16 628 Los Angeles Horse Flats Road, off Angeles Crest Hwy, Angeles National Forest. Comment
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Oct 7 2011
  UCR149884  Calochortus palmeri R. G. Swinney 1999-6-18 7327 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  CAS-BOT-BC132482  Calochortus plummerae Marcus E. Jones 1926-6-2 s.n. Los Angeles Claremont Comment
  RSA747181  Calochortus plummerae Orlando Mistretta 1992-6-26 627 Los Angeles Transverse Ranges; San Gabriel Mts region: Glendora Saddle to Lookout Mountain. Comment
  UC3448  Calochortus plummerae J. H. Barber 1897-6-25 176 Los Angeles near Newhall Comment
  UC535348  Calochortus plummerae Ira W. Clokey, B. Templeton Jun 1929 4579 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  RSA3702  Calochortus splendens Carl B. Wolf 1932-5-11 3549 Los Angeles W of Isthmus Harbor, Santa Catalina Island. 15 Comment
  JEPS61725  Calochortus splendens Frank W. Peirson 1918-6-12 8 Los Angeles e of Rubio Canyon Comment
  RSA735912  Calochortus weedii var. intermedius Justin M. Wood 2008-5-28 5 Los Angeles California State Polytechnic University, Pomona. Ecological reserve in the hills above parking lot J. 305 Comment
  LA82409  Calyptridium monandrum O. H. Kappler; 1944-5-7 607 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek, Monte Nido, N slope near fire station. 304 Comment
  UCR205461  Calyptridium monandrum R. G. Swinney 2008-5-2 8737 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR269117  Calyptridium monandrum Orlando Mistretta, Christine Mistretta 2008-5-15 3073 Los Angeles Transverse Range; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), West Fork San Gabriel River, Shortcut Canyon 1214 Comment
  UCR272541  Calyptridium monandrum R. G. Swinney 2011-6-7 15025 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 1616 Comment
  UCR241080  Calystegia fulcrata Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  UCR256550  Calystegia longipes Anuja Parikh, Nathan Gale 2011-6-20 3489 Los Angeles Transverse Range: San Gabriel Mountains, south of Rabbit Peak, 1.8 km east of Angeles Forest Hwy, 0.2 km north of Monte Cristo Creek 1330 Comment
  UC1349038  Calystegia macrostegia Robert F. Thorne and P. Everett 1965-5-10 34466 Los Angeles grassy bank on n slope Black Jack Mt. (Santa Catalina Island); , n slope Black Jack Mt. 457 Comment
  UCR280685  Calystegia macrostegia R. G. Swinney 2014-5-27 16673 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  CAS-BOT-BC224310  Calystegia macrostegia subsp. amplissima Reid Moran 1941-2-19 593 Los Angeles Middle Ranch, San Clemente Island 500 Comment
  CAS-BOT-BC215754  Calystegia macrostegia subsp. intermedia Alice Eastwood 1917-7-20 65518 Los Angeles Santa Catalina Island Comment
  CHSC99451  Calystegia macrostegia subsp. intermedia LeRoy Gross; Laura Moore 2000-6-5 210 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 Comment
  RSA397146  Calystegia malacophylla subsp. pedicellata Jean Carnine 1932-5-1 15290 Los Angeles Malibu Lakes. Comment
  CAS-BOT-BC215907  Calystegia peirsonii T. Krantz 1979-6-20 s.n. Los Angeles Along roadcut of Bouquet Canyon Road, just E of junction 6N04, E of Bouquet Reservoir under the powerlines, San Gabriel Mts. Comment
  RSA670210  Camissonia Joseph M. Keefe 2001-3-19 31147 Los Angeles San Rafael Mountains. 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208 466 Comment
  RSA507987  Camissonia bistorta Steve Boyd, T. S. Ross 1988-4-28 2242 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA466157  Camissonia californica E. S. Spalding 1923-5-23 s.n. Los Angeles Santa Monica Mountains, Laurel Canyon. Comment
  SFV6454  Camissonia campestris T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 207 Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  RSA153198  Camissonia cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1962-7-10 17958 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island. Comment
  RSA187450  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17260 Los Angeles beach due west of Wall 2; San Clemente Island. 9 Comment
  RSA584976  Camissonia hirtella Tim S. Ross 1993-5-16 7163 Los Angeles San Gabriel Mountains: Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  UCR209292  Camissonia hirtella Dan S. Cooper 2009-3-6 309- 04 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cahuenga Peak, adjacent to Mt. Lee, Griffith Park 512 Comment
  RSA579489  Camissonia ignota Tim S. Ross, Steve D. Boyd 1994-5-10 7757 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon. 873 Comment
  RSA647945  Camissonia intermedia Michelle Manolovitz, Brian Manolovitz 1992-5-19 27 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 400 feet north of park office. Comment
  RSA0065882  Camissonia micrantha Jeremiah George, Audrey George 2014-1-21 s.n. Los Angeles Torrance, just south of Sepulveda Blvd., adjacent to Madrona Ave. 26 Comment
  RSA652351  Camissonia micrantha T. Strid 1972-6-11 s.n. Los Angeles Arroyo Seco, Pasadena. 396 Comment
  UCR220042  Camissonia pallida R. G. Swinney 2009-4-24 10457 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  POM3089  Camissonia strigulosa Unspecified s.n. Los Angeles Pasadena. Comment
  RSA454101  Camissonia strigulosa Anstruther Davidson 1902-5-1 s.n. Los Angeles Riveria Comment
  UC20527  Camissonia strigulosa Harley P. Chandler 1898-3-10 Los Angeles Claremont 365 Comment
  UCR179711  Camissonia strigulosa R. G. Swinney, Dave Larson 1996-7-17 5126 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  LA206062  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. M. Johnson; 1933-5-17 4275 Los Angeles El Segundo Comment
  SBBG16845  Camissoniopsis cheiranthifolia subsp. suffruticosa K. A. Wilson 1961-3-12 997 Los Angeles Zuma Beach Comment
  UC520028  Camissoniopsis cheiranthifolia subsp. suffruticosa Joseph Andorfer Ewan 1932-5-19 7544 Los Angeles base of hills near power house; Playa del Rey Comment
  UCR269992  Camissoniopsis hirtella R. G. Swinney 2011-7-21 15548 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  SD39520  Camissoniopsis hirtella Edith A. Purer 1935-5-11 6590 Los Angeles Santa Monica Mountains Comment
  UCD77447  Camissoniopsis intermedia Robert E. Preston 1998-6-19 1149 Los Angeles Mint Canyon, ca. 0.5 mile N of Sierra Hwy 804 Comment
  SFV2535  Camissoniopsis lewisii K. A. Wilson 1962-3-25 1253 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon west of Bee Canyon, north of River's End Ranch. 610 Comment
  UCR270266  Camissoniopsis pallida R. G. Swinney 2011-4-1 14295 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  SBBG106883  Capsella bursa-pastoris M. L. Hoefs, R. F. Thorne 1996-4-6 2603 Los Angeles Pebbly Beach 6 Comment
  SDSU2474  Capsella bursa-pastoris A. H. Gallup 1948-2-24 112 Los Angeles Claremont - open fields on 9th and Amhearst Sts. 366 Comment
  UCR78151  Capsella bursa-pastoris Wandalee Thompson 1964-4-8 25 Los Angeles Transverse Range; Liebre Mtns., Cottonwood Campground, Elizabeth Lake Canyon Road, Angeles National Forest. 808 Comment
  SD1967  Cardamine Ruth B. Randall 1928-8-1 246 Los Angeles Big Tejunga Canyon. Comment
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Jul 10 2010
  UCR229502  Cardamine Dan S. Cooper 2011-3-8 311- 39 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC37465  Cardamine californica LeRoy Ellsworth Detling 1935-4-8 1570 Los Angeles La Sierra Canyon, 1 mile above Seminole Hot Springs. Comment
  RSA596383  Carex alma Timothy S. Ross, Steve Boyd 1995-6-28 8629 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  UCR259387  Carex alma R. G. Swinney 2010-9-7 13724 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  UCR273809  Carex alma R. G. Swinney 2011-6-15 15198 A Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA547423  Carex alma Timothy S. Ross 1992-5-17 6348 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River, just NE of Heaton Flat; 25 degrees NNE, 885m distant from East Fork Station 695 Comment
  RSA364721  Carex fracta I. M. Johnston 1917-7-31 1505 Los Angeles San Antonio Mts. Icehouse Canon. 1982 Comment
  RSA601029  Carex heteroneura var. heteroneura L. C. Wheeler 1966-9-21 8916 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2439 Comment
  CAS-BOT-BC32084  Carex multicaulis George B. Grant 1906-6-17 138 Los Angeles Summit Mt. Wilson 1828 Comment
  POM1491  Carex multicaulis Le Roy Abrams 1901-07 1885 Los Angeles San Gabriel Mountains: West Fork of San Gabriel River. Comment
  UC167323  Carex multicaulis George B. Grant and Walter Wheeler 1904-5-17 138 -6233 Los Angeles Mt. Wilson 1524 Comment
  SEINET10652996  Carex multicaulis Jason R. Grant, W. Wheeler 1904-5-17 Grant 138 /6223 Los Angeles Mt. Wilson 2 Comment
  RSA587275  Carex subfusca Timothy S. Ross 1990-5-17 2579 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  SFV1129  Carpobrotus chilensis K. A. Wilson 1961-3-12 1003 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  UC519722  Carpobrotus edulis Joseph Andorfer Ewan 1932-5-19 7526 Los Angeles Playa del Rey. Comment
  SBBG32136  Castilleja affinis R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -222 Los Angeles S of dam spillway, Middle Ranch Comment
  RSA233614  Castilleja affinis Robert F. Thorne 1970-3-5 39350 Los Angeles NE slope of Blackjack Mt., at pper end of Swain's Canyon 396 Comment
  UC1471566  Castilleja exserta subsp. exserta Geo. B. Grant Apr 1902 885 Los Angeles Lincoln Park, Pasadena; Pasadena Comment
  UCR264696  Castilleja exserta subsp. exserta Mitch Provance, Callen Huff 2009-4-28 10735 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
  LA51885  Castilleja exserta subsp. venusta A. M. Johnson; 1932-3-12 sn Los Angeles Faculty Hill, U.C.L:.A., Westwood Comment
  UCSB5974  Castilleja foliolosa Waian, Lee 1960-4-10 Los Angeles near Sheldon Road; 1 mile west of Foothill Blvd; in the Hansen Dam Basin Comment
  RSA515112  Castilleja grisea Aaron Liston, Orlando Mistretta, Rieseberg 1989-4-30 803 -1 Los Angeles San Clemente Island: Pyramid Head, S end of island 15 Comment
  SD181332  Castilleja grisea Orlando Mistretta 1992-4-5 140 Los Angeles Channel Islands; San Clemente Island.: Guds Comment
  RSA729569  Castilleja miniata subsp. miniata R. G. Swinney 1998-7-21 6479 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  RSA0035860  Castilleja minor subsp. spiralis R. G. Swinney 2009-11-9 11588 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA586483  Castilleja minor subsp. spiralis Orlando Mistretta, Mark A. Elvin 1995-6-20 1809 Los Angeles Bare Mountain Canyon. 1524 Comment
  HSC79860  Castilleja plagiotoma James Henrickson 1973-5-12 9605 Los Angeles 6 (air) mi. SE of Pearblossom, 4.6 (rd) mi. S of Llano in lower portion of Bob's Gap along 165 St. 1235 Comment
  JEPS3126  Castilleja plagiotoma F. W. Peirson 1918-6-18 210 Los Angeles n side San Gabriel Mts. (Lower Rock Creek canyon) 1219 Comment
  RSA81476  Castilleja plagiotoma F. W. Peirson 1919-5-10 1148 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mountains. 838 Comment
  UCR281874  Castilleja subinclusa Mitch Provance 2010-5-20 510- 19 Los Angeles Tehachapi Mountains/Western Mojave Desert, 7.2 miles NW of corner of Rosamond Blvd. and 170th St., vicinity of powerline road. 1204 Comment
  SD197723  Caulanthus amplexicaulis R. G. Swinney 2008-5-5 8756 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs. 1000 Comment
  UCSB33636  Caulanthus heterophyllus Griesel, Wesley 1962-3-31 Los Angeles Cornell Post Office, Santa Monica Mts. 152 Comment
  POM8575A  Caulanthus heterophyllus var. heterophyllus P. A. Munz, R. D. Harwood 1920-4-21 3710 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  CAS-BOT-BC47766  Ceanothus David Dreyer 1967-2-19 s.n. Los Angeles San Gabriel River canyon 426 Comment
  OBI69263  Ceanothus arboreus John Knapp, Denise Knapp 2003-4-13 31 Los Angeles Catalina Island 141 Comment
  SBBG13070  Ceanothus arboreus E. R. Blakley 1961-9-24 4769 Los Angeles E fork of Cherry Valley 152 Comment
  SBBG21947  Ceanothus arboreus R. F. Thorne with P. C. Everett 1964-2-6 33293 Los Angeles above Fourth of July Cove 30 Comment
  RSA706405  Ceanothus cordulatus Tim Thibault, K. E. Olshewsky 2004-5-23 301 Los Angeles Mt. Waterman, along Hwy. 2 at fire road 2055 Comment
  CAS-BOT-BC48736  Ceanothus crassifolius Brandegee 1889-5-1 83 Los Angeles Newhall Comment
  CAS-BOT-BC48744  Ceanothus crassifolius Brandegee 1889-5-1 83 Los Angeles Soledad Canyon Comment
  LA82214  Ceanothus crassifolius O. H. Kappler; 1941-3-26 148 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, main ridge at head of canyon. 609 Comment
  POM2811  Ceanothus crassifolius C. F. Baker 1904-2-14 4062 Los Angeles San Antonio Canyon near Claremont. Comment
  LA30362  Ceanothus crassifolius Mary V. Hood; 1941-2-9 41- 10 k* Los Angeles Base of Angelus Crest Hwy Comment
  RSA27114  Ceanothus crassifolius var. planus Roxana S. Ferris 1941-3-9 10321 Los Angeles Pico Canyon, Santa Susana Mountains, about 2 miles west of US Highway #99 Comment
  SEINET6078636  Ceanothus cuneatus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA747370  Ceanothus greggii R. G. Swinney 2008-6-10 8978 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  UC224077  Ceanothus integerrimus A. D. E. Elmer June 1902 3595 Los Angeles Acton Comment
  CAS-BOT-BC50562  Ceanothus leucodermis Le Roy Abrams; E. A. McGregor 1908-6-19 328 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  HSC12328  Ceanothus leucodermis Wendell Wood 1970-6-24 42 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  SBBG53965  Ceanothus leucodermis K. R. Montgomery, T. W. Strid 1973-4-14 Los Angeles Dillon Divide, site of LASCA Cistus field plot Comment
  SBBG68457  Ceanothus leucodermis M. N. Ackley -Apr-1929 Los Angeles La Crescenta 365 Comment
  LA52228  Ceanothus megacarpus M. E. Jones; 1928-5-3 sn Los Angeles SANTA MONICA MOUNTAINS, Santa Monica. Comment
  POM8740  Ceanothus megacarpus P. A. Munz, R. D. Harwood 1920-5-15 3959 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA234639  Ceanothus megacarpus var. insularis Robert F. Thorne 1970-3-5 39360 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
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Feb 9 2017
  LA52219  Ceanothus megacarpus var. megacarpus A. M. Johnson; 1932-5-14 4064 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  CAS-BOT-BC50466  Ceanothus oliganthus H. E. McMinn 1925-8-6 1551 d Los Angeles San Gabriel Mountains: Flat in Sawpit Canyon Comment
  UCR146479  Ceanothus oliganthus subsp. oliganthus Scott D. White 2004-7-27 10624 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  RSA562578  Ceanothus oliganthus var. oliganthus Steve Boyd, W. Appleby 1993-4-22 7992 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
  LA25934  Ceanothus spinosus Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  LA82209  Ceanothus spinosus O. H. Kappler; 1941-3-26 154 Los Angeles 518 Comment
  JEPS37503  Centaurea benedicta R. Fischer 1935-4-12 Los Angeles San Dimas Comment
  UCR38924  Centaurea melitensis B. A. Prigge 1985-6-14 6394 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch Site 659 Comment
  RSA601057  Centaurea repens Steve Boyd, Lauren Raz 1997-6-18 9994 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Portal Ridge, 1.5 road miles west of intersection with 90th St. West. 988 Comment
  UC56491  Centaurium exaltatum Ernest Braunton Jul 1902 534 Los Angeles Los Angeles River Comment
  POM156525  Centaurium venustum L. R. Abrams 1902-7-3 2645 Los Angeles San Gabriel Mountains Comment
  SFV10206  Centaurium venustum J. G. Cuti 1978-6-20 s. n. Los Angeles About 0.5 miles off Santa Susana Pass Road on Box Canyon Road. Comment
  UC455475  Centaurium venustum unknown May 1903 Los Angeles Baldwin's Ranch Comment
  SBBG132503  Centromadia parryi subsp. australis J. A. Greene 1997-9-12 Los Angeles intersection of Pacific Coast Hwy/Studebaker Rd, near Long Beach Marina 5 Comment
  JEPS45576  Cercocarpus Frank W. Peirson 1918-5-26 79 Los Angeles Summit of Mount Wilson Comment
  IRVC28602  Cercocarpus betuloides A. C. Sanders, Mark Elvin 2002-6-20 25209 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  RSA453274  Cercocarpus betuloides Anstruther Davidson 1892-09 s.n. Los Angeles Glendale. Comment
  RSA453284  Cercocarpus betuloides Ruth Herley 1932-7-4 s.n. Los Angeles Mandeville Canon. Comment
  SD181358  Cercocarpus betuloides J. Henrickson 2000-4-29 20732 Los Angeles Ca. 11 air miles NE of La Cresenta along Angeles Crest Highway north of Mt. Wilson in the San Gabriel Mountains. Near Red Box Gap. 1399 Comment
  CAS-BOT-BC142106  Cercocarpus betuloides var. betuloides S. B. Parish 1916-11-28 10747 Los Angeles Eagle Rock Park, Los Angeles Comment
  CDA993  Cercocarpus betuloides var. betuloides D. G. Kelch 1991-3-24 1339 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  RSA250435  Cercocarpus betuloides var. betuloides Robert F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41610 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
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Nov 5 2014
  SFV20860  Cercocarpus betuloides var. betuloides L. Gross 2000-10-28 305 Los Angeles Verdugo Mountains Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon where Grandview Ave. and Mountain Street meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road). West-facing side of ridge above reservoir. 488 Comment
  SBBG17985  Cercocarpus betuloides var. blancheae E. R. Blakley 1963-4-7 5534 Los Angeles Farnsworth Spring, NW of Avalon on the island rd 365 Comment
  RSA449441  Cercocarpus ledifolius Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  CATA1776  Cercocarpus traskiae Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6916 Los Angeles Santa Catalina Island: Wild Boar Gully 110 Comment
  CAS-BOT-BC279521  Chaenactis artemisiifolia Cecil Hart 1925-5-18 s.n. Los Angeles Pasadena Comment
  SEINET7047922  Chaenactis fremontii Steven R. Hill, Kate Kramer 2001-4-22 33372 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
  UCR190271  Chaenactis glabriuscula R. G. Swinney 2000-5-21 7772 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
  CAS-BOT-BC277334  Chaenactis glabriuscula var. glabriuscula F. Grinnell Jr. 1917-7-8 s.n. Los Angeles Barley Flats, San Gabriel Mountains 1706 Comment
  POM49173  Chaenactis glabriuscula var. glabriuscula L. R. Abrams 1901-5-28 1676 Los Angeles Ballona Harbor Comment
  RSA0088569  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-11 12699 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA29678  Chaenactis glabriuscula var. glabriuscula L. C. Wheeler 1933-7-4 1901 Los Angeles San Gabriel Mountains: San Dimas Canyon 640 Comment
  RSA507977  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross 1988-4-28 2231 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  POM351755  Chaenactis glabriuscula var. glabriuscula Anstruther Davidson 1890-4-10 s.n. Los Angeles Foothills, Los Angeles. Comment
  POM351744  Chaenactis glabriuscula var. lanosa Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Fernando Valley, PacoimaWash Comment
  UCR130057  Chaenactis macrantha George K. Helmkamp, E. A. Helmkamp 1998-5-21 4053 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  POM175384  Chaenactis santolinoides West 1930-7-12 s.n. Los Angeles Near north Baldy Peak. Comment
  UC1119700  Chaenactis santolinoides A. D. Gifford 1935-3-29 525 Los Angeles 2 3/4 mi nne of Liebre Pk.; Tejon 1188 Comment
  RSA0091961  Chaenactis stevioides Mitch Provance, Callen Huff 2009-4-29 10702 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile NE of Gorman; site PO1087. 1390 Comment
  SBBG65621  Chaenactis xantiana R. Hoffmann 1929-5-21 Los Angeles Lake Hughes Comment
  UCR281626  Chaenactis xantiana R. G. Swinney 2014-4-30 16275 B Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA752640  Chaenactis xantiana Amber Maurice, Laura Hoglin, Sylvia Rivera 2003-4-24 2 Los Angeles Gorman Pass, Tejon Ranch. Comment
  RSA587002  Chamaesyce albomarginata Orlando Mistretta 1992-5-8 294 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  SBBG4008  Chamaesyce albomarginata H. and M. Dearing 1936-5-16 973 Los Angeles Red Hill Comment
  POM187701  Chamaesyce serpillifolia Joseph A. Ewan 1931-10-24 5270 Los Angeles I mile above Malibu Lake Comment
  RSA601627  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1967-6-16 9858 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  RSA640320  Cheilanthes covillei L. C. Wheeler 1931-7-3 s.n. Los Angeles : 2 miles from Brown's Flats, on San Dimas trail. . Comment
  UC42542  Cheilanthes newberryi W. H. Brewer 1861-1-12 135 Los Angeles San Gabriel Comment
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Jan 1 2015
  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
  UCR255475  Chenopodium Dan S. Cooper 2014-6-26 614- 26 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, north of tennis courts adjacent to Roosevelt Golf Course 258 Comment
  RSA226102  Chenopodium album R. F. Thorne, C. W. Tilforth 1971-6-17 39944 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  CATA1651  Chenopodium berlandieri Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-6-13 2937 Los Angeles Santa Catalina Island: Behind Little Harbor 9 Comment
  UCR125238  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25521 Los Angeles NE end of Santa Susana Mtns., Santa Clara River Valley, south side at edge of farm fields near mouth of 'Long Canyon' c. 1 km due south of Del Valle 274 Comment
  RSA534029  Chenopodium californicum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5283 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 305 Comment
  RSA202467  Chenopodium multifidum R. L. Armacost 1963-6-6 1668 Los Angeles Freeway area East of Cloverfield, Santa Monica. Comment
  CATA1269  Chenopodium murale Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2354 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  RSA478534  Chenopodium murale Blanche Trask 1900-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG98704  Chenopodium murale T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5297 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 274 Comment
  UCR252771  Chenopodium murale R. G. Swinney 2010-3-10 11790 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  LA31620  Chenopodium murale Peter H. Raven; 1959-3-15 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  SBBG133115  Chenopodium murale B. C. Templeton 1967-7-18 10089 Los Angeles Little Tujunga Cyn at Marek Cyn 381 Comment
  SD90263  Chenopodium murale Robert F. Thorne 1973-4-12 42926 Los Angeles San Clemente Island: Pyramid Cove at south end of island 3 Comment
  RSA729893  Chimaphila menziesii R. G. Swinney 1998-8-31 6861 Los Angeles San Antonio Ridge, 1.1 mi. west of Baldy, east of saddle. West-facing slope. 2415 Comment
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Sep 13 2011
  SD237387  Chorispora tenella A. C. Sanders 2010-3-30 37708 Los Angeles Mojave Desert: Antelope Valley, east of Lancaster and south of Redman, 90th St. East 0.35 mi. north of Ave H (Alpine Butte 7.5'Q) 726 Comment
  RSA791802  Chorizanthe parryi var. fernandina Mark A. Elvin, Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, north of highway 126. 319 Comment
  RSA615556  Chorizanthe procumbens LeRoy Gross 1998-5-15 14 Los Angeles San Gabriel Mtns: Big Tujunga Wash. East of 210 freeway ,west of Big Tujunga Canyon Road. 366 Comment
  CAS-BOT-BC244726  Chorizanthe staticoides Carl B. Wolf 1936-5-26 s.n. Los Angeles Santa Clara Valley, 1 mi. west of Castaic Junction 335 Comment
  CAS-BOT-BC244732  Chorizanthe staticoides E. Braunton 1902-5-5 s.n. Los Angeles Glendora Comment
  JEPS57797  Chorizanthe staticoides Ralph Hoffmann 1930-7-7 Los Angeles N Los Angeles County. Elizabeth Lake Canyon Comment
  RSA392668  Chorizanthe staticoides Geo. L. Moxley 1914-5-30 217 Los Angeles San Rafael Hills Comment
  RSA392682  Chorizanthe staticoides Unspecified 1945-06 s.n. Los Angeles Seminole Hot Springs. Comment
  UCSB1349  Chorizanthe staticoides Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon, 2 mi from 101 Comment
  RSA727370  Chorizanthe watsonii R. G. Swinney 1998-5-16 6075 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA476625  Chrysolepis sempervirens Fordyce Grinnell Jr. 1910-9-20 s.n. Los Angeles Mt. Waterman 2591 Comment
  UCR194614  Chrysothamnus nauseosus R. G. Swinney 1998-8-13 6753 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  SEINET11860561  Chrysothamnus nauseosus subsp. albicaulis H. W. Graham 1927-9-9 9 /9/2012 Los Angeles along trail & road from Mt. Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson near Los Angeles Comment
  RSA188543  Chrysothamnus nauseosus subsp. bernardinus R. F. Thorne, John Olmsted 1965-8-26 35370 Los Angeles Blue ridge, ca. 1/2 mi beyond junction with Angeles Crest Hwy 2255 Comment
  RSA0070684  Cirsium occidentale var. californicum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3676 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA94920  Cirsium occidentale var. californicum F. W. Peirson 1921-7-15 2504 Los Angeles San Gabriel River 610 Comment
  RSA0085349  Cirsium occidentale var. coulteri R. G. Swinney 2010-4-28 12378 Los Angeles near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  CAS-BOT-BC285591  Cirsium occidentale var. occidentale Huron H. Smith 1912-5-26 5004 Los Angeles Avalon Canyon, Santa Catalina Isl. 30 Comment
  UCR17996  Cirsium occidentale var. occidentale G. R. Johnstone 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  RSA596925  Cirsium vulgare Scott D. White 1995-5-9 3007 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14. Sunshine Canyon Landfill property. 457 Comment
  RSA585347  Cistanthe monandra Timothy S. Ross 1991-4-27 4633 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA466598  Cistanthe monandra Jack Rempel 1932-4-23 s.n. Los Angeles El Segundo. Comment
  LA202428  Cistus ladanifer Arthur C. Gibson; Tarja Sagar 2004-9-8 5086 Los Angeles Santa Monica Mountains, E of Corral Canyon Rd Comment
  UC107831  Clarkia bottae LeRoy Abrams 1902-6-16 2553 Los Angeles Sepulveda Canyon Santa Monica Mountains Comment
  CHSC35191  Clarkia dudleyana Paul Bailey 1971-5-28 67 Los Angeles 6 mi. N. of Pasadena in Millard Cyn. in San Gabriel foothills. 457 Comment
  RSA641313  Clarkia dudleyana Orlando Mistretta, Jeff Galizio, Mark A. Elvin, Jim Eckert 1995-6-8 1769 Los Angeles San Gabriel Mountains: Below San Gabriel Dam. Comment
  RSA73300  Clarkia dudleyana F. W. Peirson 1905-5-28 442 Los Angeles Rubio Wash, south of San Gabriel Mts. Comment
  UCSC007428  Clarkia dudleyana Walter Wisura 2007-7-11 21170 Los Angeles Evey Canyon off Mt. Baldy Rd. Plants scattered on steep north slopes ca. 1/4 mile from gate. 736 Comment
  LA200704  Clarkia purpurea subsp. quadrivulnera H. & M. Lewis; 1946-7-14 29 Los Angeles Santa Monica Mountains, On corner of Sepulveda Blvd. & N Sepulvada Way Comment
  IRVC26340  Clarkia speciosa A. C. Sanders 2003-4-16 26023 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  LA15498  Clarkia unguiculata Harvey Anderson; Carl Epling 1930-5-30 sn Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  RSA681344  Clarkia unguiculata LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 949 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  RSA0055078  Clarkia unguiculata Jim Shevock 1971-5-13 1204 Los Angeles Tapia Co Park. Comment
  RSA599657  Claytonia exigua subsp. exigua Steve Boyd, Lauren Raz 1997-5-1 9675 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
  UCR265533  Claytonia parviflora Dan S. Cooper 2015-2-23 215- 39 Los Angeles Western Transverse Range; Santa Monica Mountains, Monte Nido, end of Pony Cross Rd. 167 Comment
  CATA2016  Claytonia parviflora subsp. parviflora Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 523 Los Angeles Santa Catalina Island: Little Ripper's Canyon, just inland from beach 9 Comment
  UC148009  Claytonia parviflora subsp. parviflora C. F. Baker 1909-4-19 5360 Los Angeles Claremont Comment
  CAS-BOT-BC434188  Claytonia perfoliata A. C. Sanders 2007-4-25 33559 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  RSA526151  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4145 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  CAS-BOT-BC439917  Claytonia perfoliata subsp. intermontana Alice Eastwood 1919-5-29 8974 Los Angeles San Gabriel Canyon Comment
  RSA466684  Claytonia perfoliata subsp. mexicana F. R. Fosberg 1931-4-4 S 4486 Los Angeles Cherry Canyon 30 Comment
  RSA466697  Claytonia perfoliata subsp. mexicana L. C. Wheeler 1932-3-12 474 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  RSA466717  Claytonia perfoliata subsp. mexicana M. Bisbee 1917-5-27 s.n. Los Angeles Near Verdugo road, Verdugo Canyon Comment
  UCR270148  Claytonia perfoliata subsp. perfoliata R. G. Swinney 2011-4-9 14372 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  SD1800  Clematis ligusticifolia Ruth B. Randall 7/1931 173 Los Angeles Big Rock Creek Comment
  UC63988  Clematis ligusticifolia Geo. R. Hall Sept 1904 Los Angeles San Antonio Mts., Swartout Canyon Comment
  UCR210259  Clematis ligusticifolia R. G. Swinney 2008-8-13 9366 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA5989A  Clematis ligusticifolia var. californica Carl B. Wolf 1932-9-13 4062 Los Angeles Bryant Ranch. 350 ft. south of north boundary. 5 Comment
  RSA440024  Cleomella obtusifolia Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  POM254108  Collinsia heterophylla Bonnie C. Templeton 1939-4-26 4586 Los Angeles Huntington Palisades. 640 Comment
  RSA408266  Collinsia heterophylla L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon, Angeles Forest; Pacoima Wash. Open trail side. Comment
  RSA408271  Collinsia heterophylla Geo. L. Moxley 1913-9-1 187 Los Angeles Santa Anita Canyon. Comment
  UCR271483  Collinsia parviflora R. G. Swinney 2011-5-3 14570 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR204009  Collinsia torreyi R. G. Swinney 2001-9-15 8129 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  RSA190924  Comarostaphylis diversifolia subsp. planifolia R. F. Thorne 1967-5-19 36888 Los Angeles Santa Catalina Island, on lower slopes of upper Sweetwater Canyon 290 Comment
  UCR276741  Conyza bonariensis R. G. Swinney 2010-8-11 13502 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  HSC5501  Conyza canadensis W. H. Kinch 1954-9-30 16 Los Angeles Padua Ave. N Claremont, San Antonio Wash. 335 Comment
  CAS-BOT-BC286124  Conyza canadensis Ernest C. Twisselmann 1970-9-8 17481 Los Angeles Mojave Desert. Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  POM355842  Conyza canadensis Christina Clark 1928-12-25 s.n. Los Angeles Waste ground and fields Topango Canyon Comment
  JEPS70058  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-28 2839 Los Angeles On Mulholland hwy just e of junction with Little Sycamore Rd. Santa Monica Mts. 518 Comment
  POM355974  Coreopsis bigelovii Ora M. Clark 1920-3-30 1900 Los Angeles W Lancaster Comment
  UC1119224  Coreopsis bigelovii A. D. Gifford 1935-3-6 447 A Los Angeles 2.5 mi sw of Red Mtn.; Angeles National Forest, Tejon Quad. 487 Comment
  POM356001  Coreopsis californica var. californica Thekla Mohr 1897-04 s.n. Los Angeles Eaton Canyon. Comment
  CAS-BOT-BC287945  Coreopsis calliopsidea Carl B. Wolf 1937-4-28 8522 Los Angeles Western Mojave Desert. Antelope Valley, 3.6 miles S of Palmdale 853 Comment
  RSA526073  Coreopsis gigantea Steve Boyd, Timothy S. Ross, Peter W. Fritsch 1990-4-6 4172 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called 'Jack'. 152 Comment
  CAS-BOT-BC105653  Corethrogyne filaginifolia John Thomas Howell 1950-11-9 27483 Los Angeles 4 mi. s. of Newhall on Foothill Blvd. Comment
  RSA749082  Corethrogyne filaginifolia R. G. Swinney 2005-8-15 8476 Los Angeles Valyermo, Devil's Punchbowl County Park, near headquarters 1463 Comment
  UCD130852  Corethrogyne filaginifolia Gordon Pilone 1960-10-19 57 Los Angeles chaparral area east of Santa Ana Botanical Gardens in Claremont. San Gabriel Mountain Range. Pacific Slope Drainage Area. 390 Comment
  POM156144  Corethrogyne filaginifolia var. filaginifolia L. R. Abrams 1904-9-2 4170 Los Angeles Elysian Park. Comment
  RSA114700  Cornus sericea subsp. sericea F. W. Peirson 1922-7-5 3186 Los Angeles Mescal Creek, Swartout Valley region, westward from Big Pines 1981 Comment
  UCR214665  Coronopus didymus A. C. Sanders, Dan S. Cooper 2010-4-30 38136 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA587193  Cortaderia selloana Scott D. White 1995-12-5 3771 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  CAS-BOT-BC287258  Cotula australis C. W. Tilforth 1968-2-19 131 Los Angeles LASCA [Los Angeles State and County Arboretum] Comment
  SBBG62523  Cotula australis M. N. Ackley -Jan-1927 290 Los Angeles Eagle Rock Comment
  CAS-BOT-BC291373  Cotula coronopifolia I. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez Comment
  SEINET13729329  Crassula aquatica Unknown 1968-5-29 s.n. Los Angeles PLANTS OF CALIFORNIA LOS ANGELES COUNTY SANTA CATALINA ISLNAD: wet, sandy mud magin of S end of Hay Press Reservoir; elev. ca. 1325 ft; with Callitriche marginata, Eleocharis macrostachya, plantago coronopus, Juncus bufonius, etd. (new for the island along with Callitriche marginata). 403 Comment
  RSA675820  Crassula connata LeRoy Gross 2003-3-7 771 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  RSA596461  Crassula connata R. G. Swinney 1969-5-10 451 Los Angeles in and near city of Glendora. 0.5 mi N of Sierra Madre Ave., N of Highcrest Ave. 366 Comment
Read comments
Apr 12 2010
  RSA661078  Crassula connata var. connata Orlando Mistretta 1992-4-5 186 Los Angeles Guds, San Clemente Island. Comment
  UCR142772  Crassula tillaea L. C. Wheeler 1967-4-23 9193 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  RSA394750A  Cressa truxillensis Robert Gustafson 1980-7-9 1810 Los Angeles Ballona Wetlands, Area 3. Comment
  SBBG133410  Crocanthemum scoparium J. Dunn, J. Savage, J. Lambert 2003-8-1 Los Angeles first ridge on W side of Bryce, growing on E facing, rocky 50 deg slope 370 Comment
  SBBG34670  Crocanthemum scoparium S. A. Junak with K. Kirkland 1998-4-30 SCa 571 Los Angeles extreme upper reaches of N fork of Descanso Cyn just downslope from Airport Rd 365 Comment
  JEPS31081  Crocanthemum scoparium var. vulgare Ira W. Clokey, B. Templeton May 1929 4490 Los Angeles dry ridges and hillsides Santa Monica Mountains, Mandeville Canyon Comment
  CAS-BOT-BC175845  Crossosoma californicum Robert F. Thorne; P. C. Everett 1964-2-6 33297 Los Angeles Above Fourth of July Cove. Santa Catalina Island 30 Comment
  CATA785  Crossosoma californicum Mark L. Hoefs 1991-6-5 1347 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  POM155656  Crossosoma californicum M. B. Dunkle 1928-5-13 1942 Los Angeles Santa Catalina Island. Coach road. Talus slope near Wishbone Loop Comment
  RSA190939  Crossosoma californicum R. F. Thorne 1967-3-20 36904 Los Angeles Santa Catalina Island, along dry stream bed in Descanso Canyon about half way from Airport rd. to mouth. 122 Comment
  RSA397727  Crossosoma californicum M. B. Dunkle 1928-12-30 2039 Los Angeles Head of Grand Canyon, Santa Catalina Island Comment
  UC557631  Crossosoma californicum Nell Murbarger April, 1936 119 Los Angeles San Clemente Island; canyons on w slope Comment
  RSA598999  Croton californicus L. C. Wheeler 1950-9-23 6790 Los Angeles San Gabriel Mountains. Flat opposite Delta Canyon, Big Tujunga Canyon. Comment
  SD39881  Croton californicus Edith A. Purer 1932-4-23 2771 Los Angeles El Segundo Comment
  CAS-BOT-BC190124  Crypsis schoenoides Timothy S. Ross; Steve Boyd 1994-9-21 8329 Los Angeles Liebre Mountains. Cow Spring Pond. Sag pond on the San Andreas Fault Zone at the N foot of Liebre Mountain and on the S side of West Oakdale Canyon drainage. 1155 Comment
  SBBG131954  Crypsis vaginiflora S. A. Junak 2000-5-19 SCa 1305 Los Angeles Deer Valley Reservoir, E of Two Harbors 152 Comment
  RSA783423  Cryptantha J. D. Olmsted 1959-3-27 322 Los Angeles On terrace 1/4 mile SW of stream gaging station below San Dimas Ranger station; Mt. Range: San Gabriel Mts; Drainage area: San Dimas Creek. 488 Comment
  SBBG131587  Cryptantha S. A. Junak 2000-4-15 SCa 1224 Los Angeles E of Lone Tree, just inland from S-facing bluff top 408 Comment
  CAS-BOT-BC189397  Cryptantha circumscissa Timothy S. Ross; Steve Boyd 1994-5-25 7881 Los Angeles Liebre Mountains. W Summit of Liebre Mountain 1708 Comment
  UCD119602  Cryptantha circumscissa Steve Boyd 1986-3-30 1511 Los Angeles Mojave Desert, Highway 18, 0.5 mile east of junction with Highway 138, NE of Pinyon Hills. Comment
  UCR205925  Cryptantha circumscissa R. G. Swinney 2008-5-5 8759 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCSB27922  Cryptantha circumscissa Kunze, G. 1971-4-17 Los Angeles California 14, 1.7 miles south of Lancaster, Antelope Valley 914 Comment
  UCR89472  Cryptantha clevelandii T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-28 3945 Los Angeles San Gabriel Mtns., NW slope between Tentrock Canyon and Poison Oak Canyon 1537 Comment
  RSA177806  Cryptantha clevelandii R. F. Thorne, P. Everett 1965-5-11 34656 Los Angeles Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. Comment
  RSA594616  Cryptantha flaccida L. C. Wheeler 1967-5-8 9332 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  UCR93297  Cryptantha intermedia T. S. Ross, Steve Boyd 1994-7-7 8148 Los Angeles San Gabriel Mtns., upper Cienaga Canyon: S base of Liebre Mtn, just on the north side of the 'Kelly Ranch' inholding (USFS map, 1958; 'Knapp Ranch,' Angeles National Forest map, 1982). 1018 Comment
  POM3845  Cryptantha intermedia C. N. Carter 1909-5-28 s.n. Los Angeles Claremont Comment
  UCSB5595  Cryptantha intermedia B., K. 1944-6-14 Los Angeles Near Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mtns. 822 Comment
  RSA0116516  Cryptantha juniperensis Timothy S Ross, Steve Boyd 1994-5-25 7950 Los Angeles Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit. 1061 Comment
  UCR233751  Cryptantha leiocarpa Jeremiah George 2012-3-12 s.n. Los Angeles South Coast, Hermosa Beach, vacant lot south of 1125 Manhattan Avenue 11 Comment
Read comments
Dec 5 2018
  RSA251521  Cryptantha maritima R. F. Thorne 1973-4-12 42954 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  RSA229158  Cryptantha micrantha R. F. Thorne, C. W. Tilforth, John Dourle 1969-7-29 38841 Los Angeles San Gabriel Mountains: Chilao area, sandy roadbank on Angeles Crest Hwy. 1524 Comment
  UCR259157  Cryptantha microstachys R. G. Swinney 2010-8-30 13610 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  POM64235  Cryptantha microstachys C. F. Baker 1904-4-24 4780 Los Angeles [Unspecified] Comment
  POM9045  Cryptantha microstachys P. A. Munz, R. D. Harwood 1920-5-15 3942 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA724750  Cryptantha muricata K. Dobry 1991-3-15 427 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  SFV8250  Cryptantha muricata T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1607 Los Angeles San Gabriel Mountains Chilao Flat. 1585 Comment
  UCR205620  Cryptantha muricata R. G. Swinney 2008-5-12 8827 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  UCR217133  Cryptantha muricata R. G. Swinney 2009-3-20 10137 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
  UCR276880  Cryptantha muricata R. G. Swinney 2011-6-7 15089 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  RSA0079121  Cryptantha muricata var. denticulata R. F. Thorne, John Dourley 1967-10-10 37372 Los Angeles San Gabriel Mts., Angeles National Forest: 1.5 mi. SW of Dawson Saddle. Along Angeles Crest Hwy. 2302 Comment
  RSA0078912  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2956 a 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
  UCR93298  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1994-5-4 7628 Los Angeles San Gabriel Mtns., San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; c. 600 m SW of summit of grade; c. 2460 m ESE of Grass Mtn summit 1076 Comment
  IRVC28520  Cryptantha nevadensis A. C. Sanders, E. J. Lott 1993-5-6 13962 Los Angeles 13 miles N of Palmdale, Sierra Hwy at Ave "F". Western Mojave Desert 701 Comment
  RSA587090  Cryptantha nevadensis var. rigida Orlando Mistretta, Steve Boyd 1995-5-23 1725 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1494 Comment
  SFV22105  Cryptantha oxygona O. Mistretta, C. Mistretta 2010-5-19 5128 Los Angeles San Gabriel Mountains Aliso Canyon, about 1.75 miles northwest of the intersection of Aliso Canyon and Angeles Forest Highway. 1103 Comment
  RSA588738  Cryptantha oxygona Orlando Mistretta 1994-5-31 1285 Los Angeles San Gabriel Mountains: Santiago Canyon. N slope of Pacifico Mtn. 2076 Comment
  SEINET3860020  Cryptantha pterocarya R. G. Swinney 2009-4-24 10489 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  RSA0079047  Cryptantha pterocarya var. pterocarya Orlando Mistretta 1992-5-4 244 Los Angeles San Gabriel Mountains: Little Rock Creek; Alimony Ridge. 1263 Comment
  RSA0116753  Cryptantha similis R. G. Swinney 2011-4-19 14394 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
  UCR192012  Cryptantha similis A. C. Sanders 2008-4-17 34919 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  RSA589101  Cryptantha simulans Orlando Mistretta 1994-7-1 1393 Los Angeles San Gabriel Mountains: Santiago Canyon. Sheep Camp Spring, Northwest of summit of Pacifico Mountain. 1921 Comment
  UCR223364  Cryptantha simulans R. G. Swinney 2009-5-27 10866 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  OBI70695  Cryptantha utahensis Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mts: Mill Cyn off Soledad Cyn. T4N R13W sec 16 732 Comment
  RSA394306  Cucurbita foetidissima Robert Gustafson 1980-8-29 1873 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  UC1602382  Cucurbita foetidissima Louis C. Wheeler 1931-8-22 10 Los Angeles 2 mi. n.-n.e. La Verne 402 Comment
  UCR205523  Cupaniopsis anacardioides A. C. Sanders, T. B. Salvato 2009-5-19 36814 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
  SEINET10938304  Cupressus pygmaea Leila M. Shultz 1981-4-9 Shultz 4919 Los Angeles Rancho Ana Botanic Garden, Claremont, cultivated, native plants. Closed pine forest and northern coastal coniferus forest. 300 Comment
  RSA0091496  Cuscuta R. G. Swinney 2010-3-13 11892 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  LA105156  Cuscuta californica A. C. Sanders; 1987-7-22 7173 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd 30 Comment
  LA210101  Cuscuta californica C. & M. Epling; 1925-5-18 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  UCR48945  Cuscuta californica A. C. Sanders 1987-7-22 7173 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA409680  Cuscuta californica R. Bardell 1929-12 s.n. Los Angeles El Segundo. Comment
  RSA628304  Cuscuta californica var. californica L. C. Wheeler 1973-11-20 s.n. Los Angeles San Gabriel Mountains: Chaney Trail ca. 1/2 way up. Comment
  RSA594649  Cuscuta ceanothi Steve Boyd, Lauren Raz 1996-10-29 9106 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  RSA729478  Cuscuta denticulata R. G. Swinney 1999-6-21 7378 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  RSA0051618  Cuscuta indecora Lee Haines 1950-07 s.n. Los Angeles Lancaster-Antelope Valley. Comment
  UCD54443  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 13 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  LA202427  Cuscuta salina var. major Arthur C. Gibson; 2004-8-5 3399 Los Angeles Santa Monica Mountains, Malibu Lagoon 0 Comment
  RSA661187  Cuscuta subinclusa LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 395 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  UCR204837  Cuscuta subinclusa R. G. Swinney 2005-8-11 8459 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA483542  Cynodon dactylon M. B. Dunkle 1933-4-14 3301 Los Angeles Long Beach. Comment
  LA33488  Cynodon dactylon Henry J. Thompson; 1959-5-24 1987 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, 0.3 mi N of Coast Hwy. 45 Comment
  SD130207  Cyperus difformis Dick Swinney 1989-6-25 Los Angeles San Gabriel Mountains; Big Dalton Dam Debris basin. Comment
  SEINET7581665 Image available Cyperus eragrostis Scott D. White 1995-12-5 3762 Los Angeles Marina del Rey area, State Rt 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  RSA626046  Cyperus eragrostis Scott D. White 1994-7-14 2248 Los Angeles San Dimas Canyon; along San Dimas Canyon Road. 396 Comment
  UC57100  Cyperus niger Ernest Braunton Aug 1902 654 Los Angeles Oak Knoll Comment
  RSA674579  Cytisus canariensis Scott D. White 2000-8-25 8129 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  UCR202530  Datisca glomerata R. G. Swinney 2005-8-15 8477 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR223069  Datura wrightii R. G. Swinney 2009-5-6 10680 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR282206  Datura wrightii R. G. Swinney 2014-4-24 16208 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
  RSA647954  Datura wrightii Michelle Manolovitz, Brian Manolovitz 1992-5-19 25 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 300 feet northwest of park office. Comment
  UCR143128  Daucus pusillus M. B. Dunkle 1939-4-6 7300 Los Angeles Channel Islands, Mosquito Harbor, San Clemente Island 305 Comment
  SD51909  Deinandra clementina Peter H. Raven 1962-4-9 17152 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  UC625044  Deinandra clementina F. R. Fosberg 1931-5-17 S 4887 Los Angeles Little Harbor Santa Catalina Island 3 Comment
  RSA739611  Deinandra fasciculata John Dittes 2006-6-4 1397 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Road, 2.4 air miles NW of Chatsworth High School, 1.2 air miles W of Topanga Blvd, 0.6 air mile ENE of Santa Susana Pass. 427 Comment
  UCD131065  Deinandra fasciculata Mary Jane Teiman 1978-10-15 6 Los Angeles Playa Del Rey. 0.5 mile south of Marina Del Rey channel. Comment
  SBBG44979  Deinandra kelloggii L. C. Wheeler 1933-6-27 1888 Los Angeles Foothill Blvd at Eaton Wash, Pasadena 213 Comment
  RSA798758  Delphinium cardinale Jason Koontz, Bart O'Brien, Erika Gardner 2012-5-15 291 Los Angeles Claremont. Rancho Santa Ana Botanic Garden. Just outside north fence. Approx. 30 plants observed. Many plants 5-7 feet tall. Plants continue north along dirt road. 416 Comment
  RSA0031196  Delphinium parishii subsp. parishii Robert F. Thorne, M. Z. Thorne 1969-7-9 38492 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  SBBG126933  Delphinium parishii subsp. parishii A. Parikh, N. Gale 2011-6-6 3415 Los Angeles 5.5 km W of St Hwy 14, 2.1 km SW of California Aqueduct; Sierra Pelona, Liebre Mtns 1142 Comment
  SD178256  Delphinium parryi A. C. Sanders 2003-4-29 26183 Los Angeles Western San Gariel Mountains: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Road. 395 Comment
  POM155660  Delphinium parryi M. B. Dunkle 1928-5-13 1945 Los Angeles Coach Road 244 Comment
  CAS-BOT-BC116268  Delphinium parryi subsp. parryi P. H. Raven 1962-5-22 17820 Los Angeles Santa Catalina Island...open grassland above Emerald Bay, 121 Comment
  UCR193678  Delphinium patens R. G. Swinney, Dave Larson 1999-5-15 7143 Los Angeles San Gabriel Mtns., Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 549 Comment
  CAS-BOT-BC116392  Delphinium patens subsp. hepaticoideum T. Ross; Steve Boyd 1991-4-25 4611 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca. 1540 ft. elev.) 530 Comment
  CAS-BOT-BC116400  Delphinium patens subsp. hepaticoideum Marcus E. Jones 1882-5-2 3204 Los Angeles Pasadena Comment
  SBBG108931  Delphinium variegatum subsp. kinkiense S. A. Junak 1997-4-25 SCl 875 Los Angeles E edge of terrace between Middle and S Burns cyns, ca. 0.45 mi SE of Camera Pad Stone Comment
  SBBG38705  Dendromecon harfordii R. Moran 1941-2-25 613 Los Angeles Johnson's Valley 250 Comment
  POM158345  Dendromecon rigida subsp. rhamnoides M. B. Dunkle 1928-3-17 1758 Los Angeles Emerald Bay, Santa Catalina Island. 46 Comment
  RSA213329  Dendromecon rigida subsp. rhamnoides Reid V. Moran 1941-2-25 613 Los Angeles Santa Catalina Island, Johnson's Valley 250 Comment
  UC1587701  Deschampsia danthonioides Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-18 5185 Los Angeles pond w. of 2 earthen dams Twin Dams; San Clemente Is., Twin Dams 473 Comment
  RSA755842  Deschampsia elongata R. G. Swinney 2008-7-2 9115 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 1976 Comment
  CAS-BOT-BC39731  Descurainia adenophora Dr. A. Davidson 1893-7-1 s.n. Los Angeles San Bernardino Mountains. Rock Creek. Comment
  RSA0068311  Descurainia sophia R. G. Swinney 2010-5-12 12720 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  UCR277088  Dicentra chrysantha R. G. Swinney 2010-10-5 13994 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  CSUSB1747  Dicentra chrysantha Keith Thompson 1969-11-1 Los Angeles Cedar Springs. 1158 Comment
  IRVC26288  Dicentra ochroleuca Mark A. Elvin, Cathleen Weigand 2003-5-22 2901 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  UCR125417  Dichelostemma capitatum A. C. Sanders, Mark Elvin 2003-3-5 25739 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR277062  Dichelostemma capitatum R. G. Swinney 2011-6-7 15077 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  CAS-BOT-BC483615  Dichelostemma capitatum I. W. Clokey; R. C. Anderson 1938-5-17 7875 Los Angeles Lovell Canyon 1600 Comment
  LA21935  Dichelostemma capitatum subsp. capitatum M. Zaitlin; 1951-2-17 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  RSA15195  Dichelostemma capitatum subsp. capitatum Carl B. Wolf 1926-3-22 72 Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA376835  Dichelostemma capitatum subsp. capitatum B. C. Templeton 1968-2-25 11398 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  RSA658603  Dichelostemma capitatum subsp. capitatum Marianne Marshall 1981-4-26 7 Los Angeles 0.75 mi N of fire station, East Fork of San Gabriel River on Hiking trail. off E side of trail. Comment
  CAS-BOT-BC208976  Digitaria ischaemum Geo. B. Grant 1906-8-9 7158 Los Angeles Pasadena Comment
  CAS-BOT-BC153055  Diplacus fremontii Le Roy Abrams 1901-4-6 1379 Los Angeles Big [Tunga] Tujunga Wash Comment
  SBBG66723  Diplacus johnstonii L. G. Yates 1893-1 Los Angeles Mt Wilson Comment
  CAS-BOT-BC150653  Diplacus longiflorus Joseph Andorfer Ewan 1932-5-30 7226 Los Angeles North Fork Tujunga Creek 914 Comment
  CHSC100241  Diplacus longiflorus John Dittes 2006-5-30 1375 Los Angeles Western Transverse Range; San Gabriel Mtns; Big Tujunga Cyn.; ca. 3.7 air-miles northeast of Verdugo Hills High School, ca. 2.5 air-mile southwest of Condor Peak., ca. 2.5 air-miles south x southeast of Mt. McKinley; slope above Trail Canyon Creek, north of Big Tujunga Rd. 528 Comment
  RSA0056607  Diplacus longiflorus Roy Halling 1972-4-30 28 Los Angeles 1 mile west of La Crescenta on La Tuna Canyon Road. 457 Comment
  CAS-BOT-BC150851  Diplacus puniceus Huron H. Smith 1912-5-28 5012 Los Angeles Avalon Canyon, Santa Catalina Isl. 182 Comment
  UCR101259  Diplotaxis tenuifolia L. C. Wheeler 1946-11-11 6443 Los Angeles City of Los Angeles at New Depot St. and Figueroa. 112 Comment
  SD72760  Distichlis spicata F. R. Fosberg 1931-4-29 S 4726 Los Angeles Cottonwood Canyon, Santa Catalina Island, on flat 2 Comment
  RSA461496  Dodecatheon clevelandii L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Canyon Comment
  UC445030  Dodecatheon clevelandii subsp. clevelandii I. Johnston 1917-1-28 36 Los Angeles mouth of San Antonio Canyon Comment
  RSA190978  Dodecatheon clevelandii subsp. insulare Robert F. Thorne, Red Rollins, Doug Propst, R. Carolin 1967-3-18 36745 Los Angeles Lower end Bulrush Canyon. 244 Comment
  UCD113101  Drymocallis glandulosa Kenneth A. Wilson 1961-3-10 961 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, ca. 1/4 mile W of Topanga Canyon Road. Comment
  RSA0088006  Dryopteris arguta R. G. Swinney 2010-6-21 13282 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA693700  Dryopteris arguta T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  UCR208067  Dryopteris arguta M. B. Dunkle 1928-5-13 1948 Los Angeles Channel Islands, Santa Catalina Island, Eagle's Nest 180 Comment
  UC399299  Dryopteris arguta A. J. Perkins Los Angeles w fork San Gabriel River Comment
  POM311020  Dudleya blochmaniae Reid V. Moran 1948-6-8 3086 Los Angeles Mouth of Winter canyon, Malibu Beach. 76 Comment
  RSA0021415  Dudleya cymosa E. Gooley 1968-5-18 5 Los Angeles San Gabriel Mountains. Big Tujunga Canyon 762 Comment
  CAS-BOT-BC428221  Dudleya cymosa subsp. paniculata H. E. Hasse 1908-5-26 s.n. Los Angeles Topanga Canon [Canyon], Santa Monica Range Comment
  RSA18519  Dudleya densiflora Percy C. Everett 1936-10-29 8305 Los Angeles mouth of San Gabriel Canyon 228 Comment
  RSA423534B  Dudleya farinosa G. D. Wallace 1965-5-8 s.n. Los Angeles L.A. County Comment
  RSA397798  Dudleya lanceolata Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  SD123971  Dudleya lanceolata Jack Delaini, Barbara Shervanick 1974-5-23 220 Los Angeles Lodi Canyon, San Dimas Experimental Forest. 519 Comment
  UCR89974  Dudleya lanceolata Scott D. White, Chet McGaugh 1995-6-6 3229 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  RSA136787  Dudleya multicaulis Percy C. Everett, E. K. Balls 1960-5-6 24107 Los Angeles Way Hill, S side of Gladstone Road, San Dimas Comment
  UC1713542  Dudleya multicaulis Theodore W. Minthorn 1910-5-19 7 Los Angeles foothills near Colegrove Comment
  SBBG32108  Dudleya virens R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -249 Los Angeles S side of Little Harbor Comment
  RSA198835  Dudleya virens subsp. insularis R. F. Thorne 1968-5-28 37675 Los Angeles Santa Catalina Island. above mouth of Wild Boar Gully, 1 mi WNW of Salta Verde Pt. and due N of Black Ridge, 91 Comment
  UCD98566  Dysphania ambrosioides Lyman Benson 1945-10-22 11899 Los Angeles Claremont. 335 Comment
  UCR258959  Dysphania botrys R. G. Swinney 2010-9-13 13816 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR273587  Dysphania botrys R. G. Swinney 2011-10-25 15886 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  SD230164  Eclipta prostrata Louis C. Wheeler 1966-10-25 9084 Los Angeles San Gabriel Mountains: San Gabriel River, San Gabriel River, San Gabriel Canyon, near E. Waldo Ward's Grove, 1/4 mile N El Encanto. Comment
  HSC8367  Ehrendorferia chrysantha C. S. Apperson 1967-6-20 Los Angeles 2 mi. E of Sierra Pelona lookout, off Big Oak Tree trail Comment
  SDSU1085  Ehrharta calycina R. M. Beauchamp 1967-3-19 332 Los Angeles San Clemente Island In field west of Sherman Field complex Comment
  UCR205235  Ehrharta calycina R. G. Swinney 2008-3-26 8567 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  SD264700  Ehrharta erecta Steven A. Junak 1998-6-13 Sca 743 Los Angeles Santa Catalina Island. City of Avalon, in planted area at Casino Building. 7 Comment
  POM84415  Elatine californica H. E. Hasse 1889-08 s.n. Los Angeles near Santa Monica Comment
  SBBG57104  Eleusine indica M. N. Ackley -Aug-1929 Los Angeles Cloverdale Street, Los Angeles 91 Comment
  UCR110903  Eleusine indica A. C. Sanders, D. Malueg 1998-6-22 22017 Los Angeles Rosemead, S side of I-10 Fwy, Rockhold Ave. at Dorothy St., west of Walnut Grove Ave., along SCE powerlines 84 Comment
  UCR205531  Eleusine indica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36970 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UC814653  Elodea canadensis Louis C. Wheeler 1933-12-13 2325 Los Angeles San Dimas Canyon Dam; San Gabriel Mts. 411 Comment
  UCR223568  Elymus elymoides R. G. Swinney 2009-6-3 11028 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
  UCR273045  Elymus elymoides subsp. elymoides R. G. Swinney 2011-7-8 15487 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CATA143  Elymus multisetus Sarah Ratay 2009-10-15 107 Los Angeles Santa Catalina Island: Hill S of ""Fox Country"", SW of Wrigley Reservoir, midslope 444 Comment
  SBBG59339  Elymus multisetus R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  SD69725  Elymus triticoides Robert F. Thorne 1966-5-31 36448 Los Angeles Santa Catalina Island: salina behind Little Harbor on beach 4 Comment
  UCR123629  Elymus triticoides A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25479 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR204744  Elymus triticoides R. G. Swinney 2005-8-9 8419 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR219428  Emmenanthe penduliflora R. G. Swinney 2009-3-31 10228 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  UCR223032  Emmenanthe penduliflora R. G. Swinney 2009-5-6 10669 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
  RSA401553  Emmenanthe penduliflora var. penduliflora L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  UC1118074  Encelia actoni R. St. John 1928-2-26 2 Los Angeles Elizabeth Lake Quad., Texas Canyon 609 Comment
  SD126156  Encelia californica F. R. Fosberg 1931-3-18 S 4290 Los Angeles Hamilton Canyon, Santa Catalin Island. Comment
  UCR92055  Encelia californica Scott D. White 1995-2-7 2533 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
  UCR271156  Epilobium canum R. G. Swinney 2011-7-8 15508 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
  CAS-BOT-BC166192  Epilobium canum subsp. canum F. Grinnell Jr. 1917-8-12 s.n. Los Angeles Big Santa Anita Canyon, San Gabriel Mts. 1127 Comment
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Jul 25 2017
  CATA567  Epilobium canum subsp. canum Mark L. Hoefs, Robert F. Thorne 1975-8-7 834 Los Angeles Santa Catalina Island: Weedy flat area behind Little Harbor 6 Comment
  RSA588443  Epilobium canum subsp. canum G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  UC205223  Epilobium canum subsp. canum R. L. Pendleton 1909-7-2 1379 Los Angeles road e Avalon; Santa Catalina Id. 6 Comment
  CAS-BOT-BC171916  Epilobium canum subsp. latifolium Charles F. Richter 1920-9-1 s.n. Los Angeles Mt. Islip, San Gabriel Mts. Comment
  JEPS44023  Epilobium canum subsp. latifolium Frank W. Peirson 1920-9-13 2282 Los Angeles San Antonio Canyon San Gabriel Mountains 2133 Comment
  RSA600268  Epilobium canum subsp. latifolium Louis C. Wheeler 1932-9-9 1365 Los Angeles San Gabriel Mountains: San Antonio Canyon. 1098 Comment
  RSA602313  Epilobium canum subsp. latifolium Steve Boyd, Lauren Raz 1997-6-17 9948 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  RSA448498  Epilobium ciliatum H. E. Hasse 1906-7-15 s.n. Los Angeles Los Angeles. Comment
  CHSC34421  Epilobium ciliatum subsp. ciliatum Philip A. Silverstone 1978-8-20 315 Los Angeles Jtn Maguire and Escondido Sts., 0.3 km from jtn Maguire and Latigo Canyon Rd., which is 4.8 km inland from State 1. Along small creek. Comment
  RSA72170  Epilobium ciliatum subsp. ciliatum F. W. Peirson 765 Los Angeles Long Beach. Comment
  RSA596081  Epipactis gigantea Timothy S. Ross, Steve Boyd 1995-6-28 8647 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  UC4482  Epipactis gigantea J. H. Barber 1897-7-11 212 Los Angeles Mt. Gleason 1219 Comment
  SD81618  Equisetum hyemale subsp. affine J. Ewan 1931-10-24 Los Angeles Santa Monica Mountains, La Sierra Canyon above Seminole Hot Springs Comment
  UCR129828  Equisetum hyemale subsp. affine L. C. Wheeler 1931-9-5 59 Los Angeles San Gabriel Mtns., San Dimas Canyon 488 Comment
  POM211417  Equisetum laevigatum L. C. Wheeler 1933-10-7 2167 Los Angeles Dry sunny bank with underground water. Liveoak Canyon, San Gabriel Mts. 762 Comment
  RSA684606  Equisetum laevigatum Stone 1936-3-24 110 Los Angeles Stream bed Comment
  CAS-BOT-BC57798  Equisetum telmateia G. B. Grant 1900-2-4 s.n. Los Angeles Arroyo Seco, Cal St., Pasadena. Comment
  CAS-BOT-BC57797  Equisetum telmateia G. B. Grant 1904-4-6 s.n. Los Angeles Pasadena. Comment
  RSA603676  Equisetum telmateia var. braunii Steve Boyd 1997-9-17 10042 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 854 Comment
  RSA568563  Eragrostis Geo. L. Moxley 1919-3-29 683 Los Angeles 39th Street near Compton Ave Comment
  CAS-BOT-BC284131  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley, Gorman Highway 5 miles west of Highway 14, Mojave Desert 1005 Comment
  RSA421754  Eremocarpus setiger F. R. Fosberg 1931-7-11 S- 5383 Los Angeles Middle of Cape Canyon, Santa Catalina Island. 220 Comment
  RSA579303  Eremocarpus setiger T. S. Ross 1994-7-19 8176 Los Angeles Claremont: S base of Indian Hill Mesa. 396 Comment
  JEPS31693  Eremothera boothii subsp. decorticans Frank W. Peirson 1928-6-2 7949 Los Angeles Rock Cr. San Gabriel Mts. (main stream bed) 1371 Comment
  RSA0104856  Eriastrum densifolium subsp. austromontanum T. S. Ross 1992-7-17 6720 Los Angeles San Gabriel Mtns: Summit of Condor Peak. 1645 Comment
  RSA0107977  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1494 Comment
  UC56438  Eriastrum sapphirinum H. P. Chandler 1902-6-3 2006 Los Angeles near Cahuenga Peak; Brush Canyon Comment
  RSA0107948  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Michael Honer 2004-6-24 10490 -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
  RSA0121291  Eriastrum sapphirinum subsp. sapphirinum Anstruther Davidson 1920-06 s.n. Los Angeles Hollywood. Comment
  UCSB22823  Ericameria arborescens Wilken, Dieter 1967-8-1 Los Angeles Along L.A. County Road 3; 1 mile south of Tujunga Canyon Bridge; San Gabriel Mtns. Comment
  UC68939  Ericameria cooperi var. cooperi H. M. Hall 1905-6-1 6258 Los Angeles Elizabeth Lake Comment
  JEPS46231  Ericameria ericoides A. E. Wieslander 1928-4-10 Los Angeles Tujunga Canyon San Gabriel Mts., Tujunga Canyon Comment
  SBBG62620  Ericameria linearifolia R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SFV6844  Ericameria nauseosa var. bernardina T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 590 Los Angeles San Gabriel Mountains Near trail head to Mount Baden-Powell. 2043 Comment
  CAS-BOT-BC298055  Ericameria nauseosa var. mohavensis Eugene Wells 1909-11-27 s.n. Los Angeles Lancaster Comment
  SBBG62925  Ericameria nauseosa var. mohavensis R. Hoffmann 1931-10-23 Los Angeles furthest west View Service Stn, Ridge Route (US Hwy 99) Comment
  CAS-BOT-BC298186  Ericameria nauseosa var. oreophila I. M. Johnston 1917-8-21 1706 Los Angeles Upper San Antonio Canon 2286 Comment
  SD69872  Ericameria pachylepis Robert F. Thorne, D. Propst 1968-5-27 37622 Los Angeles Santa Catalina Island; Skull Canyon between Cape and Middle Canyons. 245 Comment
  RSA0022625  Ericameria palmeri var. pachylepis D. Propst 1990-10-9 s.n. Los Angeles Santa Catalina Island. West end of island. Comment
  CAS-BOT-BC131659  Ericameria parishii var. parishii C. B. Wolf 1931-8-5 2299 Los Angeles Just below the Padua Hills Theatre, above Claremont, San Gabriel Mts. 457 Comment
  LA32043  Ericameria parishii var. parishii Henry J. Thompson; 1958-10-22 1811 Los Angeles SANTA MONICA MOUNTAINS, Mt. Hollywood, Griffith Park, just N of Mt. Hollywood. 380 Comment
  POM359451  Ericameria parishii var. parishii Wm Martin 1971-8-18 s.n. Los Angeles Vicinity of Chantry Flats, along road to bottom of Santa Anita Canyon [San Gabriel Mts.] Comment
  RSA549138  Ericameria parishii var. parishii Timothy S. Ross 1992-7-16 6703 Los Angeles ridgeline between Iron Mtn. and Condor Peak 1511 Comment
  CAS-BOT-BC293143  Ericameria pinifolia Ernest C. Twisselmann 1961-10-31 6677 Los Angeles Liebre Mountains: Munz Lake 929 Comment
  POM39773  Ericameria pinifolia H. E. Hasse 1890-09 s.n. Los Angeles Sierra Santa Monica. [Santa Monica Mountains]. Comment
  UCR95537  Ericameria pinifolia L. C. Wheeler 1967-5-2 9256 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  OBI16775  Ericameria teretifolia Robert F. Hoover 1966-10-16 10193 Los Angeles 3 mi S of Palmdale Comment
  POM56532  Erigeron breweri var. bisanctus C. F. Baker 1903-8-2 3451 Los Angeles Mountains near Claremont. 1524 Comment
  RSA652801  Erigeron foliosus var. foliosus Jim Reutzel 1994-5-29 58 Los Angeles Found only below the ridge of the hill northeast of the reservoir, on a north facing slope. Hills behind Cal Poly Pomona campus. Comment
  SBBG17331  Erigeron foliosus var. foliosus M. Vincent 1962-7-10 274 Los Angeles Dry Cyn, 0.5 mi W of Old Topanga Cyn Comment
  CAS-BOT-BC376122  Eriodictyon crassifolium var. crassifolium Marck Menke 2002-3-29 134 Los Angeles San Gabriel Mts., Angeles Crest Highway (Hwy. 2) at a pullout southeast of the intersection with Angeles Forest Highway Comment
  RSA0073371  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-3-16 11945 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
  RSA0080788  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-7 12570 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA77239  Eriodictyon crassifolium var. nigrescens F. W. Peirson 1918-5-19 171 Los Angeles north of Dawn Station on trail to Dawn Mine, Millards Canyon Comment
  CAS-BOT-BC188948  Eriodictyon parryi Victor Duran 1933-7-19 3520 Los Angeles Upper end of Aliso Canyon, San Gabriel Mountains 1533 Comment
  RSA303486  Eriodictyon traskiae E. R. Blakley 1962-10-5 5430 Los Angeles NE side of Black Jack Mt. at Jct of Island Road and Whites Landing Road 381 Comment
  RSA455106  Eriodictyon traskiae M. B. Dunkle 1931-4-22 2455 Los Angeles Head of Swain s Canyon. Comment
  CAS-BOT-BC214384  Eriodictyon trichocalyx Alice Eastwood 1919-5-29 8989 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC222692  Eriodictyon trichocalyx Javier Penalosa 1961-5-21 1524 Los Angeles San Gabriel Canyon 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
  CAS-BOT-BC241583  Eriogonum baileyi var. baileyi Joseph Andorfer Ewan 1934-8-3 8369 Los Angeles Swartout [Swarthout] Valley, near county line, San Gabriel Mts. 1981 Comment
  CAS-BOT-BC241573  Eriogonum baileyi var. baileyi James L. Reveal 1978-6-25 4778 Los Angeles On the off-ramp of California Highway 14 and Avenue P north of Palmdale 792 Comment
  UCD105103  Eriogonum cinereum M. Vincent 1962-12-5 311 Los Angeles Santa Monica Mountains, Mulholland Highway one mile east of Las Virgenes Road. Comment
  RSA229199  Eriogonum cithariforme var. agninum Robert F. Thorne, C. W. Tilforth 1971-6-30 40811 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
  CAS-BOT-BC242778  Eriogonum davidsonii F. R. Fosberg; J. Ewan 1931-8-10 4934 Los Angeles Crystal Lake, N. Fork San Gabriel, San Gabriel Mts. Comment
  POM180173  Eriogonum elongatum Joseph A. Ewan 1931-10-11 s.n. Los Angeles Santa Monica Mountains, Sepulveda Canyon Rd., north of Mullholland. Comment
  RSA0056368  Eriogonum elongatum James R. Shevock 1978-9-16 2266 Los Angeles Malibu Cyn. 304 Comment
  RSA754201  Eriogonum elongatum var. elongatum Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1812 Los Angeles San Gabriel River Watershed; next to reservoir. 463 Comment
  CAS-BOT-BC253191  Eriogonum fasciculatum A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-28 37003 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines, Baldwin Park 7.5' Q, San Gabriel Valley 99 Comment
  SEINET13203218 Image available Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-1 15860 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  CAS-BOT-BC253268  Eriogonum fasciculatum var. foliolosum John H. Thomas 1957-2-14 6485 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  POM177962  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1931-5-15 4196 Los Angeles West fork Garapito Creek. 457 Comment
  RSA393412  Eriogonum fasciculatum var. foliolosum Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  UCR142543  Eriogonum fasciculatum var. foliolosum Michelle Manolovitz, Brian Willie 1992-4-27 001 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Valley, Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 200 feet northwest of park office. 160 Comment
  RSA524981  Eriogonum fasciculatum var. polifolium Tim S. Ross, S. D. Boyd 1990-6-6 2836 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  UC205950  Eriogonum fasciculatum var. polifolium D. L. Crawford Los Angeles Mts. above Claremont Comment
  UC849438  Eriogonum giganteum Carl B. Wolf 1932-10-4 4226 Los Angeles above Amphitheatre; Santa Catalina Island, Avalon 30 Comment
  RSA0005017  Eriogonum giganteum var. formosum T. S. Brandegee 1894-8-25 s.n. Los Angeles San Clemente Island Comment
  JEPS56937  Eriogonum gracile Elizabeth Day Palmer 1908-8-15 Los Angeles Los Angeles Comment
  CAS-BOT-BC253457  Eriogonum gracile A. J. McC 1893-7-3 148 Los Angeles Near Redondo Comment
  SEINET5329487  Eriogonum gracile G. B. Grant 1904-9-15 450 -6422 Los Angeles Collected at Pasadena, So. California. Comment
  IRVC28801  Eriogonum gracile var. gracile A. C. Sanders 2003-8-4 27104 Los Angeles Newhall Ranch, canyon in low hills north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  RSA0013166  Eriogonum gracile var. gracile Orlando Mistretta, Christine Mistretta 2011-6-11 5680 Los Angeles Near intersection of Aliso Canyon Rd. and Southern California Edison transmission line Corridor, 3.05 miles NW of intersection of Aliso Cyn Rd. and Angeles Forest Hwy. 1000 Comment
  UCR127659  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2002-6-20 25216 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA0113484  Eriogonum gracile var. gracile Lyman Benson 1948-10-31 13546 Los Angeles Indian Hill, Claremont. Mt. Range: San Gabriel. 426 Comment
  HSC104217  Eriogonum heermannii R. G. Swinney 2008-8-13 9408 Los Angeles San Gabriel Mtns.: junction of High Desert Recreational Trail (10W09) and Dorr Canyon, 0.6 mi. S of Big Rock Creek Rd. 1634 Comment
  CAS-BOT-BC259096  Eriogonum kennedyi var. alpigenum Joseph Andorfer Ewan 1934-8-7 8375 Los Angeles East slope Throop Peak, north of North Baldy, San Gabriel Mts. 2667 Comment
  SBBG64056  Eriogonum mohavense R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna Comment
  SBBG120  Eriogonum plumatella R. Hoffmann 1927-8-31 Los Angeles Acton to Palmdale Comment
  RSA748901  Eriogonum pusillum R. G. Swinney 2008-5-13 8855 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  SD262360  Eriogonum pusillum R. G. Swinney 2014-4-24 16219 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.l 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash. 1256 Comment
  UC1922498  Eriogonum roseum Scott D. White, A. Warniment 2005-9-9 11213 Los Angeles Tehachapi Mtns.: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. Comment
  UCSB1511  Eriogonum roseum Hoffmann, Ralph 1927-8-31 Los Angeles East Bonnet Comment
  RSA679291  Eriogonum saxatile Mark A. Elvin, Anne Marie Ruff 1996-8-1 297 Los Angeles San Gabriel Mts. Angeles National Forest. Glendora Ridge Road. 1.5mi from gate. Along road cuts on N side. Comment
  RSA420637  Eriogonum umbellatum var. minus Albert J. Perkins 1915-7-26 s.n. Los Angeles Summit of Mt. San Antonio. 3049 Comment
  RSA420654  Eriogonum umbellatum var. minus F. R. Fosberg, Joseph A. Ewan 1931-8-12 4884 Los Angeles San Gabriel Mountains: summit of Mt. Islip 2500 Comment
  RSA65986  Eriogonum umbellatum var. minus F. W. Peirson 1920-9-12 21 Los Angeles Summit of 'Baldy' (Mt. San Antonio) 3049 Comment
  RSA420589  Eriogonum wrightii var. subscaposum H. de Forest 1932-10-16 s.n. Los Angeles Barley Flats. 1372 Comment
  RSA529138  Eriogonum wrightii var. subscaposum Tim S. Ross, S. D. Boyd 1991-7-24 5626 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  SD66902  Eriophyllum confertiflorum R. Mitchel Beauchamp 1967-3-20 356 Los Angeles Santa Catalina Island, above beach road south of Avalon. Comment
  UCR260089  Eriophyllum confertiflorum Mitch Provance, Callen Huff 2009-4-28 10712 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  SEINET10673353  Eriophyllum confertiflorum Donald R. Bissing 1973-5-4 Bissing 52 Los Angeles Evey Canyon, San Gabriel Mountains. On bank above road cut 0.3 mile from mouth of canyon. 719 Comment
  SEINET11850801  Eriophyllum wallacei J. F. Bright, Wyman, C. 1931-1 5291 Los Angeles in Antelope Valley Comment
  RSA652869  Erodium botrys Ron Martinolich 1991-5-3 63 Los Angeles Glendale, south of Figueroa Street dead end (at Marengo Drive). Past gate, south at T in road, to top of hill. Comment
  RSA679055  Erodium cicutarium Valerie L. Soza, LeRoy Gross 2001-5-14 1216 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UCSB3537  Erodium cicutarium Kamb, Peter 1948-2-29 Los Angeles Upper Sonoran Zone; Crest of the Verdugo Range above Sunset Canyon Comment
  UCSB42182  Erodium cicutarium Roos, Alfred 1958-6-3 Los Angeles Evans-Reeves Nursery; Brentwood; West Los Angeles Comment
  POM261345  Erodium macrophyllum P. A. Munz 1940-5-1 15770 Los Angeles S of San Dimas. Comment
  RSA659757  Erodium moschatum Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 77 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC211091  Eryngium aristulatum var. parishii Le Roy Abrams 1901-7-20 1863 Los Angeles Wiseburn Comment
  UC10535  Erysimum capitatum J. H. Barber 1897-6-29 217 Los Angeles Bear Canyon and Mt. Gleason summit Comment
  RSA0089476  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-12 14701 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  RSA524195  Erysimum capitatum var. capitatum Timothy S. Ross, Steve Boyd 1990-6-6 2888 Los Angeles Piru Pond: Los Padres National Forest. 645 Comment
  UCR205081  Eschscholzia californica R. G. Swinney 2008-4-10 8628 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR256867  Eschscholzia californica R. G. Swinney 2010-8-16 13548 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA433678  Eschscholzia californica A. G. Goodwin 1940-05 s.n. Los Angeles San Fernando Comment
  POM82711  Eschscholzia californica var. peninsularis P. A. Munz 1925-4-23 9456 Los Angeles San Gabriel Canyon. 488 Comment
  POM11226  Eschscholzia ramosa George B. Grant, Walter Wheeler 1904-4-21 2254 Los Angeles Santa Catalina Island Comment
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Sep 4 2007
  UCSB43774  Eschscholzia ramosa Nakashima, L. 1982-4-17 Los Angeles On Renton Mine Road; .6 miles south of its junction with Mount Ada Road; on Santa Catalina Island 167 Comment
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Dec 8 2014
  RSA0010834  Eucalyptus Robert F. Thorne 1967-5-20 36902 Los Angeles Santa Catalina Island. Bank above Airport Road at head of Descanso Canyon. 305 Comment
  CATA3275  Eucalyptus cladocalyx Ben Dion, Julia Parish 2017-1-30 007 Los Angeles Santa Catalina Island: Lower campsite at Black Jack Campground 458 Comment
  UCR91412  Eucalyptus lehmannii Scott D. White 1995-3-15 2579 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
  UCR91384  Eucalyptus maculata Scott D. White 1995-3-15 2577 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
  UCR200127  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 762 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  UCR272012  Eulobus californicus R. G. Swinney 2010-4-28 12420 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA0116847  Euphorbia R. G. Swinney 2010-10-5 13963 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  UCD142555  Euphorbia albomarginata M. Vincent 1962-5-19 253 Los Angeles Between Pearblossom and Valyermo; one mile from main Highway 138. Comment
  UCR205693  Euphorbia maculata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36982 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR95515  Euphorbia maculata L. C. Wheeler 1966-9-21 8882 Los Angeles San Gabriel Mtns., San Gabriel Canyon, El Encanto 259 Comment
  RSA702458  Euphorbia polycarpa Gary D. Wallace 1978-2-12 1580 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  UCD142708  Euphorbia polycarpa Louis C. Wheeler 1942-12-2 5679 Los Angeles Verdugo Mountains: Burbank; Glen Oaks and Lamer St. Comment
  UCR186562  Euphorbia spathulata A. C. Sanders 2006-4-25 32200 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UC1795597  Euphorbia terracina P. Davis 2002-4-15 PDR 53578 Los Angeles LAX property at 9100 S Hastings Ave. Comment
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May 30 2014
  UCR119045  Euphorbia terracina Jeremiah George 2001-7-17 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  LA200961  Euphorbia terracina Carl Wishner; Daryl Koutnik 1999-10-4 CW 3456 Los Angeles 10.0 Comment
  CAS-BOT-BC312239  Euthamia occidentalis J. Ewan 1930-9-15 5527 Los Angeles Ballona Creek at Playa del Rey Road Comment
  SBBG98647  Extriplex californica T. Ross 1991-5-20 5352 Los Angeles ca. 5500 ft S of Wilson Cove settlement; 2500' NW of the 750' Benchmark 185 Comment
  UCR223572  Festuca dertonensis R. G. Swinney 2009-6-3 11032 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
  UCR277078  Festuca microstachys R. G. Swinney 2011-6-7 15091 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  RSA0115444  Festuca myuros R. G. Swinney 2010-6-1 13168 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UCR153571  Festuca octoflora A. C. Sanders 2005-5-11 30176 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  CAS-BOT-BC500441  Ficus microcarpa R. E. Riefner, Jr. 2014-10-6 14 -373 Los Angeles Harbor City, W of 110-Freeway, underpass on West L St. at Figueroa Pl 6 Comment
  RSA0113952  Ficus microcarpa R. E. Riefner Jr. 2015-5-2 15 -138 Los Angeles City of Arcadia, S. side of Interstate 210, W of Colorado Blvd. between Second St. and La Porte St. 153 Comment
  RSA0113953  Ficus microcarpa R. E. Riefner Jr. 2014-7-13 14 -243 Los Angeles City of San Pedro, W. side of South Harbor Blvd. at West Santa Cruz St. 6 Comment
  RSA158208  Filago arizonica Peter H. Raven 1962-5-9 17671 Los Angeles San Clemente Island. Near head of canyon at south end of Mosquito Cove. 320 Comment
  RSA661024  Filago arizonica Orlando Mistretta 1992-4-5 167 Los Angeles Guds, San Clemente Island. Comment
  RSA583053  Filago californica Timothy S. Ross, Janet Takara, S. Otte 1993-4-25 6968 Los Angeles Santa Catalina Island: head of S fork Descanso canyon. 177 Comment
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Jun 4 2009
  RSA599492  Filago californica Steve Boyd, Lauren Raz 1997-3-25 9317 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA659117  Forestiera pubescens LeRoy Gross 2001-3-25 360 -a Los Angeles Los Angeles Basin: Verdugo Mountains region: Off Verdugo Crestline Drive, dirt road that is north of the 210 freeway in the northwest section of the Vedugo Mountains, just east of Sunland exit off ramp., You can get on this fire road from the west at Newhome Ave off of Foothill Blvd. in the city of Sunland. 549 Comment
  CAS-BOT-BC52565  Frangula californica subsp. californica Carl B. Wolf 1927-12-31 1463 Los Angeles Occidental College, Eagle Rock Comment
  CAS-BOT-BC223756  Frankenia salina Peter H. Raven; Henry J. Thompson 1959-9-6 14361 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). At mouth of Malibu Creek 1 Comment
  RSA505037  Frankenia salina S. J. Myers 1989-6-28 s.n. Los Angeles Ca. 3 mi. W of Palmdale: 1 mi. SE of intersection of Elizabeth Lake Road and the California Aqueduct. Comment
  POM11659  Frasera neglecta P. A. Munz 1921-6-17 4619 Los Angeles San Antonio Mountains: Head of Swartout [Swarthout] Valley. 2073 Comment
  LA33607  Fraxinus dipetala Henry J. Thompson; 1959-3-31 1909 Los Angeles Santa Monica Mountains, Lobo Canyon, ca. 2 mi W of Cornell 274 Comment
  RSA609139  Fraxinus dipetala Louis C. Wheeler 1932-6-18 835 Los Angeles San Dimas Canyon. 427 Comment
  UCR127029  Fraxinus dipetala A. C. Sanders, Mark A. Elvin 2003-6-18 26948 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  CATA3531  Fraxinus uhdei Peter J. Dixon 2017-9-13 098 Los Angeles Santa Catalina Island: Channel side; Emerald bay area at Corsair Yacht Club, planted and naturalizing in drainage, canyon bottom area 10 Comment
  UCR259674  Fraxinus uhdei R. G. Swinney 2010-4-1 12138 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of 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
  RSA69897  Fraxinus velutina F. W. Peirson 1922-6-3 3081 Los Angeles 3 miles west of Elizabeth Lake. 1113 Comment
  RSA760561  Fraxinus velutina R. G. Swinney 2009-3-10 10069 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA730171  Fremontodendron californicum subsp. californicum R. G. Swinney 1998-7-2 6225 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UC634773  Fremontodendron californicum subsp. californicum Margaret Stason 1927-5-14 Los Angeles San Gabriel Mountains, Pinyon Ridge Pinyon Ridge; San Gabriel Mountains, Pinyon Ridge Comment
  POM175432  Fritillaria pinetorum Joseph A. Ewan 1930-6-24 2676 Los Angeles N slope Mt Islip, San Gabriel Mountains 2287 Comment
  RSA482515  Funastrum cynanchoides var. hartwegii Richard Noyes, L. Arnseth 1988-4-30 499 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  UCR219332  Galinsoga parviflora Lorraine Weller 2009-5-5 050509- 01 Los Angeles Los Angeles, Greater Watts Community Gardens, 600 block East 118th Place 35 Comment
  RSA587023  Galium andrewsii subsp. intermedium Orlando Mistretta 1994-6-15 1362 Los Angeles San Gabriel Mountains, Santiago Canyon. Comment
  RSA0108894  Galium angustifolium Richard G. Swinney 2010-8-11 13508 Los Angeles San Gabriel Mountains: San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/service road. 595 Comment
  UCR190796  Galium angustifolium R. G. Swinney 2001-5-18 7936 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCD121568  Galium angustifolium Robert F. Thorne; M. Z. Thorne 1967-7-19 37146 Los Angeles San Gabriel Mts., Angeles National Forest, Crystal Lake Recreation Area. 1554 Comment
  UCSB9394  Galium angustifolium McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd. Granada Hills Comment
  JEPS19542  Galium angustifolium subsp. angustifolium Peter H. Raven 1957-9-21 11358 Los Angeles 2.5 mi above U.S. 101A; Santa Monica Mountains, Topanga Canyon Comment
  SBBG68830  Galium angustifolium subsp. angustifolium R. Hoffmann 1927-5-14 Los Angeles E end of Pine Cyn Comment
  UC1375283  Galium angustifolium subsp. angustifolium Robert F. Thorne 1969-7-2 38214 Los Angeles Charlton Flats burn (of 1954) San Gabriel Mts., Angeles National Forest 1615 Comment
  UCR173851  Galium angustifolium subsp. gabrielense Michael Honer 2004-6-22 2026 Los Angeles San Gabriel Mtns, San Antonio Canyon: along Mount Baldy Rd. between Spruce Canyon and 'Hog Back 1159 Comment
  RSA672214  Galium aparine Joseph M. Keefe 2001-3-13 31081 Los Angeles North across street from 774 Tipton Terrace, 0.3 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 262 Comment
  UC888744  Galium aparine F. R. Fosberg 1931-4-15 S 4613 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  RSA655800  Galium aparine James Henrickson 2000-4-15 20701 Los Angeles Ca. 1 mile SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14. 457 Comment
  SBBG128345  Galium catalinense M. L. Hoefs 1991-4-18 1146 Los Angeles near rd between Cherry Valley and Fourth of July Cove 79 Comment
  UCR143197  Galium catalinense F. R. Fosberg 1931-3-27 S- 4418 Los Angeles Channel Islands, Pebble Beach Road, Santa Catalina Island 50 Comment
  SD90516  Galium catalinense subsp. acrispum Robert F. Thorne 1973-4-11 42842 Los Angeles San Clemente Island: wet bottom of Norton Canyon 900 Comment
  POM367799  Galium catalinense subsp. catalinense Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon. Santa Catalina Island Comment
  RSA638816  Galium grande Valerie L. Soza, Laura Moore 1999-6-30 586 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  RSA678832  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1288 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.3 miles from trailhead out of Chantry Flat area. 808 Comment
  SBBG119260  Galium grande V. Soza with L. Gross, W. Law 2000-7-5 1050 Los Angeles above San Gabriel Cyn, W of Morris Reservoir, adjacent to E-facing firebreak W of Silver Fish Rd (FS Rd 2N28), ca. 3.2 mi W of San Gabriel Cyn Rd (Hwy 39) along Silver Fish Rd; T1N R10W N/2, SE/4 S11 792 Comment
  RSA202638  Galium hallii F. Ehrendorfer 1959-6-14 5901 Los Angeles Northeast side of San Gabriel Mountains, Sawmill Canyon at west end of Swartout Valley, between Wrightwood and Lone Pine, at 6600 feet. 2012 Comment
  SBBG6279  Galium jepsonii L. C. Wheeler 1970-7-25 s.n. Los Angeles Heliport, ca. 0.3 mi N of S Mt Hawkins 2286 Comment
  CAS-BOT-BC223139  Galium johnstonii Frank W. Peirson 1922-7-5 3159 Los Angeles Mountain north of Big Pines Camp 2225 Comment
  RSA202689  Galium johnstonii Lauramay T. Dempster, Clare B. Hardham 1965-6-16 4118 Los Angeles On Angeles Crest Highway, just south of Upper Chilao Recreation Area, San Gabriel Mountains. 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
  CATA3284  Galium nuttallii subsp. insulare Julie L. King 2017-3-1 62 Los Angeles Santa Catalina Island: Isthmus Rd. near zone 1 fence 176 Comment
  SBBG38863  Galium nuttallii subsp. insulare R. Moran 1941-2-23 606 Los Angeles S of Johnson's Valley 200 Comment
  UC1375335  Galium parishii Wesley O. Griesel 1963-8-1 864 Los Angeles Mt. San Antonio eastern San Gabriel Mtns. 2987 Comment
  IRVC27794  Galium porrigens A. C. Sanders 2005-5-11 30154 Los Angeles Santa Clarita area, upper Plum Cyn along dirt track towards Cruzan Mesa from Plum Cyn Rd., NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 610 Comment
  SBBG118131  Gambelia speciosa P. A. Munz 1923-4-9 6685 Los Angeles Lemon Tank Comment
  UCR216879  Gamochaeta pensylvanica R. G. Swinney 2009-3-13 10113 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  RSA160888  Gamochaeta pensylvanica Peter H. Raven 1961-10-1 16784 Los Angeles Upper Evey Canyon. 732 Comment
  RSA582970  Gamochaeta ustulata Timothy S. Ross, Janet Takara 1993-4-23 6943 Los Angeles Santa Catalina Island: upper E side of Cottonwood Canyon drainage, 1035m WNW of Black jack Mtn summit 436 Comment
  SBBG128241  Gamochaeta ustulata M. L. Hoefs, S. A. Junak, M. Askew 1999-7-15 3058 Los Angeles lower Bulrush Cyn 262 Comment
  UC1871214  Gamochaeta ustulata T. Ross 1993-4-21 6847 Los Angeles Santa Catalina Island; major E-W ridge between "Carlos" and Cactus Pk; 2750 ft WNW of Cactus Pk summit 435 Comment
  RSA597563  Garrya flavescens Tim S. Ross 1990-6-22 3756 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  RSA392392  Garrya flavescens subsp. pallida Unspecified 1906-06 s.n. Los Angeles Big Rock Creek Comment
  CAS-BOT-BC158022  Garrya veatchii Fordyce Grinnell 1916-3-18 s.n. Los Angeles San Gabriel Mts. near Pasadena Comment
  UCR215970  Gaura coccinea Kieu-Chinh Tran, Ben Tran 2008-4-7 006 Los Angeles San Gabriel Valley, Pomona, beside 60 Fwy, SE of 60/71 intersection, near Towne Ave., across from shopping center 244 Comment
  RSA761715  Gayophytum R. G. Swinney 2008-10-10 9553 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA763105  Gayophytum R. G. Swinney 2008-8-13 9385 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  UCR193138  Gayophytum R. G. Swinney 1998-7-14 6449 A Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  UCR206435  Gayophytum R. G. Swinney 2008-6-10 8983 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  RSA586063  Gayophytum diffusum subsp. parviflorum Orlando Mistretta 1995-7-11 1879 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  UCR223743  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2009-6-24 11240 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA0081706  Gayophytum heterozygum R. G. Swinney 2011-7-21 15549 Los Angeles Strawberry Peak summit. 1860 Comment
  UCR258927  Gazania linearis R. G. Swinney 2010-4-20 12276 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  CATA3476  Genista linifolia Michael Thomas, Benjamin Dion, Nathalie Cartan 2017-9-27 003 Los Angeles Santa Catalina Island: Interior; on west-facing slope in Middle Cottonwood Canyon watershed 185 Comment
  CATA3343  Geranium californicum Amy Catalano, Jen Dreizehn 2017-3-23 030 Los Angeles Santa Catalina Island: Near drainage bottom of Swains Canyon, directly west of ""duck head"" in Toyon Rd, north facing slope 96 Comment
  RSA718266  Geranium carolinianum R. G. Swinney 1998-4-13 5969 Los Angeles Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of N terminous of Mills Ave., on Cobal Canyon Rd. 543 Comment
  RSA606021  Gilia Leota Brice 1930-5-22 s.n. Los Angeles Mint Canyon. Comment
  SEINET3246000  Gilia R. G. Swinney 2009-1 10838 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
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Dec 7 2018
  UC303744  Gilia achilleifolia subsp. multicaulis I. Johnston 1917-5-6 1946 Los Angeles Evey Canyon Comment
  RSA0113399  Gilia aliquanta subsp. aliquanta LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7529 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
  RSA549587  Gilia aliquanta subsp. breviloba T. S. Ross 1992-4-4 6078 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  POM3479  Gilia angelensis Anonymous 1891-3-29 s.n. Los Angeles Alhambra. Comment
  RSA784349  Gilia capitata Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 15 Los Angeles road 7N23 turn from road 7N08. Comment
  LA34986  Gilia capitata subsp. abrotanifolia Mary V. Hood; 1942-4-26 42 25 k* Los Angeles Santa Monica Mountains, Tapia Park 304 Comment
  RSA470219  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1910-5-1 2394 Los Angeles Sierra Madre, Cal. Comment
  SBBG51638  Gilia capitata subsp. abrotanifolia R. Gustafson, C. Davidson 1977-4-20 411 Los Angeles San Clemente Island 762 Comment
  UC52708  Gilia capitata subsp. abrotanifolia J. Burtt Davy May 9 1896-May 24 1896 2638 c Los Angeles Leonis Valley Antelope Valley, Leonis Valley Comment
  UC52724  Gilia capitata subsp. abrotanifolia H. M. Hall 1902-5-1 3059 Los Angeles near Elizabeth Lake; near Elizabeth Lake Comment
  RSA67270  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1952-4-21 9094 Los Angeles Ca. 10 mi. s. of Gorman on Tejon Pass Rd. 1067 Comment
  RSA626105  Gilia clivorum LeRoy Gross 1999-4-29 155 Los Angeles Santa Susana Mountains, east end: Rice Canyon, north on interstate 5, exit Calgrove Ave. Turn left to The Old Road, City of Newhall. 426 Comment
  CAS-BOT-BC225333  Gilia latiflora subsp. cuyamensis Steve Boyd; Lauren Raz 1997-5-20 9816 Los Angeles Eastern flank of Liebre Mountain, along ridge top firebreak near the head of the North Fork Fish Canyon, due north of Atmore meadows and west of the saddle between Liebre and Sawmill mountains, Liebre Mountains Region 1584 Comment
  RSA587408  Gilia latiflora subsp. cuyamensis Orlando Mistretta 1995-4-5 1602 Los Angeles Drainage W of Little Rock Creek Reservoir. 1006 Comment
  CAS-BOT-BC226345  Gilia latiflora subsp. davyi E. K. Balls; N. N. Balls 1966-3-17 12124 Los Angeles 1.5 mi E. of Llano along Hwy 138. Palmdale to the Cajon Pass Comment
  RSA151242  Gilia nevinii P. H. Raven 1962-4-10 17213 Los Angeles Along summit ridge about 2 miles north of Thirst, San Clemente Island 488 Comment
  RSA0016256  Gilia ochroleuca subsp. bizonata Steve Boyd, Lauren Raz 1997-3-25 9315 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA72311  Gilia sinuata F. W. Peirson 1919-6-14 9324 Los Angeles Rock Creek, north slope of San Gabriel Mts. 1524 Comment
  SFV21985  Gilia splendens subsp. grantii J. N. Hogue 2011-7-23 397 .2 Los Angeles San Gabriel Mountains Camp Eaton (= old Camp Cumorah Crest). 1860 Comment
  PASA716  Gilia tenuifolia Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  SD72742  Glebionis coronaria Richard S. Felger 1968-5-9 Los Angeles Hermosa Beach; empty lot at 2nd st. and Valley, 4 blocks from ocean. Comment
  UC1238043  Glyptopleura marginata Isabelle Tavares 1962-5-27 1267 Los Angeles on highway between Victorville and Palmdale (near junction with Highway 138) 1036 Comment
  POM358783  Gnaphalium californicum James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  UCR273179  Gnaphalium californicum R. G. Swinney 2011-5-6 14615 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  UCR51693  Gnaphalium californicum Steve Boyd, T. Elias 1987-4-14 2035 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  RSA656219B  Gnaphalium luteoalbum Joseph M. Keefe 1978-5-23 23249 -B Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  RSA617733  Gnaphalium palustre Scott D. White 1998-5-22 6556 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, North Lake Planned Community. 425 Comment
  RSA782208  Gnaphalium palustre R. G. Swinney 2009-8-25 11471 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA12419  Gnaphalium palustre C. B. Wolf 1934-4-11 5631 Los Angeles Bryant Ranch, east of Long Beach, 250 ft. northeast of junction of Hathaway, Los Altos and 8th Streets. 15 Comment
  UCR124758  Grayia spinosa B. C. Templeton 1930-5-19 1459 Los Angeles San Gabriel Mtns., Mint Canyon, near Mojave Desert 854 Comment
  UCR220215  Grayia spinosa R. G. Swinney 2009-4-2 10272 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  CAS-BOT-BC305261  Grindelia hirsutula Ernest C. Twisselmann 1970-9-8 17493 Los Angeles Antelope Valley: Highway 14 at Avenue A 731 Comment
  UCR124964  Grindelia robusta Geo. L. Moxley, Grinnell 1916-6-16 495 Los Angeles Western Transverse Ranges, Santa Susana Mtns. 1000 Comment
  JEPS18470  Guillenia lasiophylla Rimo Bacigalupi with J. Robert Sweeney 1957-5-12 5874 Los Angeles 0.25 mi above U.S. Army Nike launching site (on slopes above Las Flores Canyon); Santa Monica Mountains 274 Comment
  RSA430047  Guillenia lasiophylla Christopher Davidson 1973-4-7 1894 Los Angeles Juniper Hills toward Devil's Punchbowl, east side of San Gabriel Mtns. 1066 Comment
  RSA587333  Guillenia lasiophylla Orlando Mistretta 1992-5-4 259 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  RSA653685  Guillenia lasiophylla Valerie L. Soza, Laura Moore 2000-5-10 871 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 518 Comment
  CATA1535  Hedypnois cretica Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2759 Los Angeles Santa Catalina Island: Just behind sandy beach, White's Landing 6 Comment
  RSA609124  Helenium puberulum L. C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Water Canyon. 579 Comment
  RSA0094720  Helianthemum scoparium R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14341 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  RSA609077  Helianthemum scoparium L. C. Wheeler 1932-6-4 807 Los Angeles Live Oak Canyon 518 Comment
  RSA771324  Helianthemum scoparium R. F. Thorne, Sherwin Carlquist 1966-4-29 36315 Los Angeles Channel Islands: Santa Catalina Island. 381 Comment
  UCR192927  Helianthemum scoparium Dan S. Cooper 2008-4-9 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Sennet Canyon, Griffith Park, Los Angeles 215 Comment
  POM9552  Helianthemum scoparium var. vulgare P. A. Munz, R. D. Harwood, I. M. Munz 1920-5-15 3951 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  UCR53359  Helianthus annuus R. D. Goeden, Don W. Ricker 1988-8-16 s.n. Los Angeles Western Mojave Desert, north of Lancaster at Sierra Hwy and Ave E, along railroad right of way 701 Comment
  RSA600517  Helianthus annuus subsp. lenticularis L. C. Wheeler 1968-2-4 s.n. Los Angeles Bluebird Ranch (Truck Trail) east of Richard Ferguson's house 457 Comment
  CAS-BOT-BC305688  Helianthus gracilentus F. Grinnell Jr. 1916-6-16 s.n. Los Angeles Santa Susana Pass, Los Angeles - Ventura Cos. 457 Comment
  CAS-BOT-BC305690  Helianthus gracilentus A. D. E. Elmer 1902-6-1 3611 Los Angeles Acton Comment
  RSA535891  Helianthus gracilentus Timothy S. Ross 1991-9-2 5935 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road; Draw off W side of Y.B. Road. 503 Comment
  UC1751200  Helianthus nuttallii subsp. parishii Ken Koch Aug 2002 Los Angeles Newhall Ranch area, Santa Clara River floodplain south of Hwy 126 west of Intersatate 5 (location marked on map; provided by Mary Showers of Calif. Dept. Fish & Game Comment
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May 1 2014
  UCSB5616  Heliotropium curassavicum DeWitt, Jack 1959-5-15 Los Angeles Mint Canyon Campground; 4.3 miles E of Solemint 609 Comment
  CAS-BOT-BC305877  Helminthotheca echioides I. Johnston 1917-6-10 1321 Los Angeles Near Mesmer Comment
  UC163980  Hemizonella minima Geo. B. Grant 1906-6-17 543 a-6689 Los Angeles summit Mt. Wilson 1890 Comment
  POM360265  Hemizonia fasciculata F. R. Fosberg 1930-7-7 3171 Los Angeles Alamitos Bay 7 Comment
  RSA95065  Hemizonia pungens F. W. Peirson 1919-8-30 1351 Los Angeles Desert between Mojave and Lancaster. Comment
  CAS-BOT-BC135944  Hesperoyucca whipplei Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route Comment
  UCR271160  Hesperoyucca whipplei R. G. Swinney 2011-7-8 15481 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CAS-BOT-BC143675  Heteromeles arbutifolia Moxley; Grinnell 1916-6-16 502 Los Angeles Santa Susanna Mts. Comment
  RSA725786  Heteromeles arbutifolia A. C. Sanders, Mark A. Elvin 2002-6-18 25128 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  SDSU9052  Heteromeles arbutifolia R. M. Beauchamp 1967-1-29 159 Los Angeles Growing in ravine in impact area behind Pyramid Cove. San Clemente Island. Comment
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May 16 2008
  UCR115986  Heteromeles arbutifolia A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23273 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  RSA0072420  Heteromeles arbutifolia T. S. Clare 1931-4-7 s.n. Los Angeles Sandberg. Comment
  RSA573693  Heterotheca fastigiata Timothy S. Ross 1990-8-17 3184 Los Angeles San Gabriel Mtns.; Prairie Fork. 1799 Comment
  CAS-BOT-BC318878  Heterotheca grandiflora Peter H. Raven 1957-9-21 11324 Los Angeles Northwest end of U.C.L.A. campus, Los Angeles Comment
  RSA0074394  Heterotheca grandiflora R. F. Thorne 1966-4-5 35801 Los Angeles Santa Catalina Island: Along paved road on N slope of Black Jack Mt. 412 Comment
  RSA0074448  Heterotheca grandiflora Orlando Mistretta 1992-9-16 810 Los Angeles San Gabriel Mountains: North of Oak Springs. Oak Springs Trail; Tujunga Ranger District. 793 Comment
  RSA0075642  Heterotheca grandiflora George B. Grant 1905-5-10 s.n. Los Angeles Pasadena. Comment
  RSA0075643  Heterotheca grandiflora F. R. Fosberg 1931-1-7 7116 Los Angeles Mouth of little Santa Anita Canyon, Sierra Madre. 300 Comment
  RSA0075657  Heterotheca grandiflora Richard Noyes, L. Arnseth 1988-4-30 552 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam 500 Comment
  UC1871052  Heterotheca sessiliflora subsp. fastigiata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3937 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
  JEPS104766  Heuchera John L. Morrison 1937-6-18 2543 Los Angeles San Gabriel Mountains. On N slope of trail from Windy Camp to Mount Baden Powell Comment
  CHSC83672  Heuchera elegans John Dittes; Gina Hall 1990-7-19 269 Los Angeles Transverse Range; San Gabriel Mts., North of Kratka Ridge, ca. 1.7 air miles east of Cloudburst Summit, North of Angeles Crest Highway. On slope along creek below Burkhart Trail, between Buckhorn Flat Campground and Cooper Canyon. 1889 Comment
  CAS-BOT-BC319766  Hieracium argutum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canyon, San Gabriel Mountains Comment
  CAS-BOT-BC207475  Hoffmannseggia glauca Theodore Minthorn 1909-8-15 s.n. Los Angeles Hills east of Los Angeles Comment
  SD252252  Hordeum intercedens Steven A. Junak 1999-5-20 Sca 954 Los Angeles Santa Catalina Island: Cottonwood-Black Jack Road, plant stop. 305 Comment
  RSA599128  Hordeum murinum subsp. glaucum V. W. Steinmann 1996-3-30 821 Los Angeles Pomona, Elephant Hill, E-facing slope above and adj. to Mission Blvd. at a point 0.5km SW of Humane Way., 34?33'N, 117?47'30W 300 Comment
  UCD86469  Hordeum murinum subsp. glaucum Robert F. Thorne 1968-4-27 37555 Los Angeles Santa Barbara Island. Small canyon between Cove Landing and Cliff Canyon. 30 Comment
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Dec 11 2014
  RSA609606  Hordeum murinum subsp. leporinum L. C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 411 Comment
  SBBG59362  Hordeum murinum subsp. leporinum M. N. Ackley -Mar-1925 7 Los Angeles Eagle Rock 182 Comment
  RSA12402  Hordeum vulgare C. B. Wolf 1934-4-11 5614 Los Angeles Bryant Ranch, E of Long Beach, 180 ft. east of center of sec. and 150 ft. south of line of SE1/4. 5 Comment
  UCR191526  Hordeum vulgare R. G. Swinney 1998-7-8 6318 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCD113437  Horkelia cuneata Kenneth A. Wilson 1961-3-12 1009 Los Angeles Point Dume, summit of Birdview and Cliffside Drive. 38 Comment
  UC72986  Horkelia cuneata subsp. puberula E. D. Palmer May 1904 Los Angeles Claremont Comment
  RSA0042671  Horkelia cuneata subsp. puberula Laura Moore 1999-4-10 014 Los Angeles Pitzer College, Claremont: Northwest section of Outback, across trail from small Quercus agrifolia. 350 Comment
  UCR223406  Horkelia rydbergii R. G. Swinney 2009-7-23 11396 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
  SBBG131898  Hornungia procumbens S. A. Junak, D. Wilken 1996-3-27 SCI 260 Los Angeles top of coastal dunes S of Eel Cove Cyn 60 Comment
  RSA229034  Hulsea vestita subsp. gabrielensis R. F. Thorne, C. W. Tilforth 1971-6-30 40744 Los Angeles N slope of Mt. Hillyer 1645 Comment
  RSA679993  Hulsea vestita subsp. gabrielensis LeRoy Gross, Michael Denslow 2003-6-4 975 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  RSA453767  Hydrocotyle umbellata F. R. Fosberg 1930-10-11 s 4178 Los Angeles Templeton, S Puente 80 Comment
  RSA756582  Hymenoclea salsola Orlando Mistretta, Christine Mistretta 2008-4-3 2277 Los Angeles Transverse Ranges; Liebre Mountains region: Southern California Edison transmission line tower (Segment 5, Structure 62, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass. Comment
  CDA2198  Hyparrhenia hirta T. C. Fuller 1969-7-17 18682 Los Angeles Northwest corner of Sunset Blvd. & Groverton Street, Westwood. 0 Comment
  POM289685  Hypochaeris glabra George B. Grant 1906-4-12 s.n. Los Angeles Pasadena. Comment
  RSA615307  Hypochaeris glabra Valerie L. Soza 1998-5-3 105 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard: West of main road, along southern edge of pHake Lake. 412 Comment
  JEPS36539  Hypochaeris glabra F. W. Peirson 1920-5-14 1469 Los Angeles Arroyo Seco; San Gabriel Mts. 441 Comment
  SEINET695829  Ibicella lutea Robert F. Thorne 1968-10-31 37869 Los Angeles Spontaneous sprawling annual weed at Rancho Santa Ana Botanic Garden 366 Comment
  RSA60728  Isocoma menziesii var. vernonioides Frank W. Gould 1943-10-26 2169 Los Angeles Growing as a weed in open field, Compton. Comment
  LA211270  Isolepis cernua Arthur C. Gibson; Tarja Sagar, Tony Valois 2007-9-6 5175 Los Angeles SANTA MONICA MOUNTAINS, Leo Carrillo State Beach Comment
  RSA0016933  Isomeris arborea R. G. Swinney 1994-3-19 2715 Los Angeles Glendora, 2.5 mi. W of Big Dalton Canyon Rd at Glendora Mountain Road, ca 100 m below (S) of road 548 Comment
  OBI15982  Iva axillaris Wesley O. Griesel 1962-5-28 s.n. Los Angeles San Gabriel Mts; on the rd from Big Pines to Valyermo 1524 Comment
  UC32934  Iva axillaris subsp. robustior Dr. Vought 1896-5-1 Los Angeles Antelope Valley Comment
  RSA401020  Juglans californica Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 350 Comment
  RSA695394  Juglans californica A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-8-1 25548 Los Angeles Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  UCR259134  Juglans californica R. G. Swinney 2010-5-4 12529 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  RSA754118  Juglans californica var. californica Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1821 Los Angeles San Gabriel River above Morris Dam 385 Comment
  RSA0040550  Juglans hindsii Robert E. Riefner Jr. 2014-5-10 14 -114 Los Angeles San Fernando Valley, City of Los Angeles, Sepulveda Flood Basin, Sepulveda Basin Wildlife Area, Haskell Creek near Woodley Park, east of Woodley Ave., west of San Diego Freeway, north of Burbank Blvd. 227 Comment
  RSA736200  Juglans regia L. M. Prince, Lucinda McDade, Norm Ellstrand, Pace Lubinsky, Andreas Kaus 2008-8-18 511 Los Angeles Cal Poly. Pomona campus. N. of Parking Lot J. South facing slope. Natural area. Gentle slopes of ravine 250 Comment
  RSA782111  Juncus bufonius A. C. Sanders, Dan S. Cooper 2010-4-30 38158 Los Angeles Madrona Marsh, Torrance. 24 Comment
  UC1595427  Juncus bufonius Tim Ross 1992-7-10 6654 Los Angeles between Coldwater Canyon and Wickiup Canyon (Big Tujunga Creek, San Gabriel Mountains); San Gabriel Mountains, Big Tujunga Creek 967 Comment
  UCR207990  Juncus bufonius F. R. Fosberg 1931-5-4 S- 4751 Los Angeles Channel Islands, Santa Catalina Island; below second bridge below Eagles Nest 140 Comment
  RSA639192  Juncus bufonius var. bufonius L. C. Wheeler 1967-5-31 9810 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  JEPS45910  Juncus ensifolius Victor Duran 1933-7-25 3531 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  CHSC112544  Juncus macrophyllus Duncan S. Bell; Caitlin Elam 2013-6-24 5294 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the moutn of Iorn Fork. 899 Comment
  LA51526  Juncus macrophyllus Peter H. Raven; Henry J. Thompson 1960-7-17 15563 Los Angeles Santa Monica Mountains, Old Topanga Canyon Comment
  RSA802344  Juncus macrophyllus Orlando Mistretta, Cher Batchelor 2011-7-26 5979 Los Angeles West Fork San Gabriel. Slopes south of Cogswell Reservoir. 915 Comment
  RSA0116279  Juncus mexicanus R. G. Swinney 2010-6-1 13175 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UCR205713  Juncus textilis A. C. Sanders, T. B. Salvato 2009-5-21 36889 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  RSA596050  Juniperus californica T. S. Ross, J. Mark Porter 1995-5-4 8417 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 555 Comment
  UCR123804  Juniperus californica Steven R. Hill, K. Kramer 2001-4-22 33365 Los Angeles Southwestern Mojave, N foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 mi west of California Route 14, 0.9 mi west of Highland Street (25th Street West), west of Palmdale. Vicinity of Armagosa Creek 854 Comment
  CATA799  Keckiella cordifolia Mark L. Hoefs, Robert Given 1991-6-12 1371 Los Angeles Santa Catalina Island: 1/2 mile from Camp Cactus near road between Middle Canyon and Bulrush Canyon 231 Comment
  RSA401758A  Keckiella cordifolia F. R. Fosberg 1931-4-14 S- 4605 Los Angeles Eagles Nest. Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  RSA567294  Keckiella ternata subsp. septentrionalis Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-28 3969 Los Angeles Liebre Mtn: NW slope between Tentrock Canyon and Poison Oak Canyon. 1402 Comment
  RSA600005  Keckiella ternata subsp. septentrionalis Steve D. Boyd, Lauren Raz 1997-5-28 9846 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
  CAS-BOT-BC271345  Koeleria pyramidata Peter H. Raven; Henry J. Thompson 1959-5-5 14148 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Road Malibu Creek drainage, Santa Monica Mountains 304 Comment
  CAS-BOT-BC499184  Kopsiopsis strobilacea I. M. Johnston 1917-7-4 1449 Los Angeles South slope of Mt. Baldy, San Antonio Mountains 2286 Comment
  UCR99482  Krascheninnikovia lanata Steve Boyd, Lauren Raz 1997-3-4 9158 Los Angeles Liebre Mtns., S base of Sierra Pelona ridge, east of Crown Valley and NW of Acton Canyon, just north of Sierra Highway c. 0.8 mi. east of Crown Valley Road. 927 Comment
  RSA0116806  Lactuca serriola Richard G. Swinney 2010-10-5 13965 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  POM4986  Lagophylla ramosissima I. M. Johnston 1918-8-4 s.n. Los Angeles Hills W of Pomona. 305 Comment
  UCR253911  Lagophylla ramosissima Mitch Provance 2010-5-11 0510- 15 Los Angeles Westernmost Mojave Desert, south of Hwy 138 between Quail Lake and Neenach 960 Comment
  POM352640  Lamarckia aurea M. B. Dunkle 1939-4-7 7332 Los Angeles San Clemente Island, Pyramid Cove. Comment
  CAS-BOT-BC435224  Lampranthus tenuifolius A. C. Sanders 1987-7-22 7177 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 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
  CAS-BOT-BC338113  Lasthenia californica Le Roy Abrams 1901-4-1 1188 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC338140  Lasthenia californica LeRoy Abrams 1903-3-14 3134 Los Angeles San Pedro hills near Rocky Pt. Comment
  RSA92920  Lasthenia californica F. W. Peirson 1918-4-28 1371 Los Angeles Summit of Turnbull Canyon, hills above Whittier 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
  UCR70758  Lasthenia glabrata subsp. coulteri I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  UC1348962  Lasthenia gracilis Robert F. Thorne 1966-4-6 35927 Los Angeles 1 mi w Empire Landing; Santa Catalina Island 76 Comment
  UCR102536  Lasthenia gracilis George K. Helmkamp 1997-3-6 1343 Los Angeles Western Mojave Desert, west of Lancaster at 125th St. & Calif. Hwy 138 762 Comment
  SD69558  Lathyrus vestitus var. alefeldii Robert F. Thorne 1966-4-28 36205 Los Angeles Santa Catalina Island, Pebbly Beach Canyon, dry rocky slope along the road to Renton Mine 244 Comment
  RSA748787  Lathyrus vestitus var. vestitus Justin M. Wood 2009-4-13 486 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  RSA317202  Lathyrus vestitus var. vestitus Michael C. Long 1974-4-20 s.n. Los Angeles Devil's punhbowl county park, 0.5 mi.N of parking lot. Comment
  RSA0108843  Layia glandulosa R. G. Swinney 2010-6-1 13159 Los Angeles San Gabriel Mountains: Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA595812  Layia glandulosa L. C. Wheeler 1967-5-9 9389 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  UCR259099  Layia glandulosa Mitch Provance, Callen Huff 2009-4-29 10689 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  RSA728777  Layia glandulosa Gary D. Wallace 1979-4-19 1694 Los Angeles Near W end of Lancaster Rd. Comment
  UCD133994  Layia platyglossa Daryl Koutnik; Vickie Dawes 1978-4-20 386 Los Angeles North Hollywood at the intersection of Laurel Canyon Blvd. and Stagg Street. 243 Comment
  UCR191716  Layia platyglossa A. C. Sanders 2008-4-18 34956 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 977 Comment
  LA200240  Layia platyglossa M. Zaitlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA0082761  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine. 1005 Comment
  RSA188259  Lepechinia fragrans Robert F. Thorne 1966-4-29 36329 Los Angeles Santa Catalina Island: Below road to White s Landing above turn-off to Echo Lake 412 Comment
  RSA725595  Lepechinia fragrans Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 415 Los Angeles Santa Catalina Island. Boushay Canyon below Silver Peak Road. 356 Comment
  SBBG29380  Lepidium flavum D. Myrick 1968-3-6 1817 Los Angeles near Hi Vista, Antelope Valley 914 Comment
  JEPS53619  Lepidium fremontii Frank W. Peirson 1921-5-19 677 Los Angeles Little Rock Creek San Gabriel Mts. 960 Comment
  SBBG33449  Lepidium fremontii A. D. E. Elmer -Jun-1902 3632 Los Angeles Lancaster Comment
  SBBG98635  Lepidium lasiocarpum var. lasiocarpum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5100 Los Angeles North Head; WNW of new landing field 15 Comment
  UCR265521  Lepidium strictum Dan S. Cooper 2015-3-28 315- 29 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, west flank of Mt. Hollywood 457 Comment
  CAS-BOT-BC60040  Lepidium virginicum var. menziesii Ernest Braunton 1902-5-5 325 Los Angeles Glendora. Comment
  UCR205066  Lepidium virginicum var. pubescens R. G. Swinney 2008-4-4 8612 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  CAS-BOT-BC328061  Lepidospartum squamatum Joseph Andorfer Ewan; Nesta Ewan 1936-8-5 9930 Los Angeles Mescal Creek. San Gabriel Mts. 1524 Comment
  CAS-BOT-BC328079  Lepidospartum squamatum F. Grinnell Jr. 1911-9-29 s.n. Los Angeles San Gabriel Mts., Bailey Canon 762 Comment
  POM308166  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1937-8-7 2909 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  POM70010  Lepidospartum squamatum Marcus E. Jones 1924-9-17 s.n. Los Angeles Lancaster. Comment
  UCSB7155  Lepidospartum squamatum Philbrick, Ralph 1954-9-30 Los Angeles The south slope of San Antonio Canyon 701 Comment
  RSA95033  Lepidospartum squamatum F. W. Peirson 1919-10-20 275 Los Angeles Brae Burn Road, Altadena. Comment
  RSA579438  Leptosiphon breviculus T. S. Ross, D. L. Banks 1994-6-21 7993 Los Angeles Vicinity of Pacifico Mountain: saddle between the north fork Tie Canyon on the SW and a major NE-draining tributary of Santiago Canyon on the NE; ca 3160 m NW of Pac. Mtn's 7124-foot summit. 1646 Comment
  UCD118993  Leptosiphon parviflorus Marian Vincent 1963-5-22 359 Los Angeles Santa Monica Mountains. At the intersection of Old Topanga Canyon and Mulholland 0.5 mile off road in mountain meadow. Comment
  SBBG15973  Leptosyne douglasii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  OBI69280  Leptosyne gigantea John Knapp, Denise Knapp 2003-4-13 1 Los Angeles Catalina Island, 3690107.913N x 377428.961E 9 Comment
  POM19145  Lessingia glandulifera var. glandulifera P. A. Munz 1923-5-27 6897 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  RSA91285  Lessingia glandulifera var. glandulifera F. W. Peirson 1921-7-19 1260 Los Angeles At forks of Coldwater Canyon and Cattle Canyon, East Fork San Gabriel Canyon 793 Comment
  CAS-BOT-BC339563  Lessingia glandulifera var. peirsonii Ynez Whilton Winblad 1937-9-1 s.n. Los Angeles Ridge Route Comment
  POM11662  Lewisia rediviva P. A. Munz 1921-6-17 4609 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  UC817472  Leymus triticoides F. R. Fosberg 1931-5-18 S 4991 Los Angeles Little Harbor Santa Catalina Island 2 Comment
  PASA2350  Libocedrus Los Angeles PHS grounds, Pasadena Comment
  RSA596373  Lilium humboldtii subsp. ocellatum Timothy S. Ross, Steve Boyd 1995-6-28 8620 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA651264  Lilium humboldtii subsp. ocellatum Russell S. Woglum 1935-08 2443 Los Angeles San Gabriel Canyon, North Fork Soldier Creek. [San Gabriel Mountains] Comment
  SBBG31234  Limonium perezii R. F. Thorne with P. C. Everett 1965-6-22 34915 Los Angeles Avalon Cyn (near mausoleum) 121 Comment
  RSA523360  Linanthus aureus G. H. True 1935-3-28 190 Los Angeles SW of Littlerock. 945 Comment
  RSA0073595  Linanthus bigelovii Orlando Mistretta, Christine Mistretta 2005-4-21 2059 Los Angeles Transverse Ranges: San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  CAS-BOT-BC226743  Linanthus californicus Fordyce Grinnell 1916-6-10 s.n. Los Angeles Sister Elsie Pk., San Gabriel Mts. Comment
  CDA40054  Linanthus californicus T. C. Fuller 1965-4-26 13376 Los Angeles East slope of Saddle Peak, Tuna Canyon Road above Fernwood Pacific Drive, 2.7 miles west of Topanga. 0 Comment
  NY43184  Linanthus dianthiflorus J. B. Walker 1995-6-5 1424 Los Angeles Santa Catalina Island, just below Airport Rd, along road to White's Landing 300 Comment
  POM364574  Linanthus dianthiflorus subsp. dianthiflorus N. C. Cooper 1949-4-7 4272 Los Angeles Los Padres Nat. Forset. 457 Comment
  UCR191696  Linanthus parryae A. C. Sanders 2008-4-23 35070 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon, gravelly draw on slope in side canyon to the east 1108 Comment
  SEINET12279114  Linanthus parryae I. Tavares, Brinson, V. 1962-1 290 Los Angeles On Hwy 138, 26 mi E of Palmdale 1036 Comment
  JEPS58130  Linanthus parviflorus Frank W. Peirson 1919-4-19 377 Los Angeles Pacoima Canyon San Gabriel Mountains 579 Comment
  UCR192541  Linanthus parviflorus T. B. Salvato 2008-4-25 3344 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, south of Hwy 138, foothills between Horse Camp Canyon and Cow Spring Canyon, 1/4 mi southwest of VABM(3291 ft) Zana 945 Comment
  RSA400296  Linaria canadensis var. texana Reid V. Moran 1941-2-28 656 Los Angeles Santa Catalina Island, Johnson's Valley 100 Comment
  RSA0022056  Liquidambar styraciflua R. G. Swinney 2009-4-13 10328 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  RSA562539  Lithophragma affine Steve Boyd, W. Appleby 1993-4-22 7987 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  POM6851  Lithophragma affine subsp. mixtum P. A. Munz, L. T. Street, G. Williams 1919-4-5 2426 Los Angeles Puddingstone Canyon, near San Dimas. 274 Comment
  UCR238658  Lithophragma bolanderi Anuja Parikh, Nathan Gale 2010-6-23 3361 Los Angeles Transverse Range; San Gabriel Mtns., upper Shortcut Canyon, 1.4 km S of State Highway 2 (Angeles Crest Hwy), 1.3 km NNW of West Fork San Gabriel River 1275 Comment
  RSA729462  Lithophragma tenellum R. G. Swinney 1998-7-8 6338 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA608640  Lobularia maritima L. C. Wheeler 1931-3-7 s.n. Los Angeles La Verne. Comment
  RSA65596  Loeflingia squarrosa F. W. Peirson 1920-5-3 2123 Los Angeles Little Tujunga Wash, west end of San Gabriel Mts. 335 Comment
  UCR127199  Loeflingia squarrosa A. C. Sanders 2003-5-1 26253 Los Angeles Western San Gabriel Mtns., SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch 412 Comment
  RSA747150  Loeseliastrum matthewsii R. G. Swinney 2008-5-8 8819 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA264167  Loeseliastrum matthewsii W. Wisura 1977-6-17 3671 Los Angeles Lone Pine Canyon, 6 mi SE of Wrightwood. Comment
  RSA784230  Lolium J. D. Olmsted 1962-4-30 416 Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  RSA747053  Lolium perenne R. G. Swinney 2008-5-30 8901 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA637496  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 1999-7-15 632 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. 822 Comment
  RSA658367  Lolium perenne subsp. multiflorum Naomi Zohman 1985-4-28 35 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  SEINET12118775  Lomatium caruifolium Unknown 1936-1 12723 Los Angeles Santa Monica Mts., Mt. Malabu 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
  SBBG59718  Lomatium dasycarpum subsp. dasycarpum R. Hoffmann 1931-5-4 Los Angeles north Bouquet Cyn Comment
  RSA452084  Lomatium dasycarpum subsp. dasycarpum George R. Johnston 1931-5-3 s.n. Los Angeles Santa Susana Mountains, Pico Canon. 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
  RSA716638  Lomatium mohavense Andrea Edwards, Pam De Vries 2005-3-29 57 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SBBG126970  Lomatium utriculatum A. Parikh, N. Gale 2011-6-6 3417 Los Angeles Sierra Pelona, 5 km W of St Hwy 14, 1.6 SW of California Aqueduct; E Liebre Mtns 1063 Comment
  POM18180  Lomatium vaginatum P. A. Munz 1923-3-7 6583 Los Angeles Ganesha Hills, Pomona. Comment
  CATA525  Lonicera hispidula Sara L. Crockett 1997-4-29 676 Los Angeles Santa Catalina Island: End of unnamed road, 0.4 mile beyond jct. with road to Bulrush Canyon/Salta Verde, near barbed-wire fence line 420 Comment
  CATA812  Lonicera hispidula Mark L. Hoefs, Robert Given 1991-6-12 1386 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  SBBG10284  Lonicera hispidula M. Van Rensselaer 1937-7-1 Los Angeles Santa Catalina Island Comment
  POM128321  Lonicera hispidula var. vacillans F. M. Reed 1909-7-3 2832 Los Angeles Santa Catalina Island; canyon above golf links at Avalon. Comment
  UCR277039  Lonicera subspicata R. G. Swinney 2010-5-25 12923 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  CAS-BOT-BC234866  Lonicera subspicata var. denudata Robert F. Thorne; C. W. Tilforth 1971-6-29 40708 Los Angeles San Gabriel Mts., Angeles National Forest: along Aliso Creek at Tie Canyon where crossed by Angeles Forest Rd. 1371 Comment
  RSA455359  Lonicera subspicata var. denudata Fay A. MacFadden 1931-7-8 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SEINET13387029 Image available Lonicera subspicata var. denudata R. G. Swinney 2011-1 15959 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  UCR270649  Lonicera subspicata var. denudata R. G. Swinney 2011-11-1 15959 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  CAS-BOT-BC198541  Lotus Javier Penalosa 1961-5-21 1523 Los Angeles San Gabriel Canyon Comment
  RSA661088  Lotus argophyllus var. argenteus Orlando Mistretta 1992-4-5 200 Los Angeles Guds, San Clemente Island. Comment
  SEINET4035309  Lotus argophyllus var. argenteus M. B. Dunkle 1939-1 7252 Los Angeles China Point, Pyramid Cove, San Clemente Island. Comment
  UC56566  Lotus argophyllus var. argenteus Miss E. D. Palmer Los Angeles Avalon Santa Catalina Island Comment
  RSA659847  Lotus argophyllus var. argophyllus Orlando Mistretta, Mike Hammitt 1991-5-29 s.n. Los Angeles Monrovia Canyon. Comment
  RSA406094  Lotus crassifolius var. crassifolius Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA682522  Lotus grandiflorus Scott D. White, Michael Honer 2003-5-7 9196 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  JEPS55498  Lotus hamatus A. M. Ottley 1920-5-3 587 Los Angeles Tujunga Wash San Gabriel Mts. Comment
  UCR127896  Lotus hamatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26102 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  RSA534057  Lotus hamatus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5243 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 305 Comment
  RSA319992  Lotus heermannii var. heermannii Greg Wright 1971-5-23 124 Los Angeles Big Dalton Canyon, north of Glendora Comment
  POM1910  Lotus oblongifolius var. oblongifolius I. M. Johnston 1917-6-20 1907 j Los Angeles Camp Baldy 1220 Comment
  RSA709413  Lotus salsuginosus A. C. Sanders 2005-5-5 29882 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  SEINET3562930 Image available Lotus salsuginosus F. R. Fosberg 1931-4-3 4464 Los Angeles Pebble Beach Road, Santa Catalina Island 5 Comment
  POM2468  Lotus salsuginosus var. salsuginosus C. F. Baker 1904-4-22 4768 Los Angeles Monrovia. Comment
  UCR277194  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-25 12951 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA406836  Lotus scoparius var. scoparius M. Bisbee 1917-5-1 s.n. Los Angeles North side of Eagle Rock Valley Comment
  JEPS27793  Lotus strigosus Frank W. Peirson 1918-5-26 323 Los Angeles Summit Mt. Wilson San Gabriel Mountains 1737 Comment
  RSA498740  Lotus strigosus E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA618719  Lotus strigosus var. strigosus Scott D. White, Sandy Leatherman 1998-5-19 6532 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA547795  Lotus unifoliolatus T. S. Ross 1990-6-20 3607 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA599705  Lotus wrangelianus Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9453 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA406943  Lupinus M. V. Hood 1945-5-1 2176 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA660844  Lupinus Ann Williams 1992-5-7 11 -92 Los Angeles Grande Vista Dr., 1 mile off Beverly Dr. in Whittier. 146 Comment
  POM7993  Lupinus agardhianus Anstruther Davidson 1920-04 s.n. Los Angeles Santa Susana Pass Comment
  SD64111  Lupinus albifrons var. albifrons Lucille Kempers 1953-5-26 69 Los Angeles Little Dalton Canyon, San Gabrial Mountains. 366 Comment
  RSA0061210  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042005 Los Angeles Old Ridge Rte. 376 Comment
  UCSB3395  Lupinus benthamii Haller, John 1960-5-23 Los Angeles At junction of California 138 and U.S. 99; east of Gorman 1127 Comment
  SEINET10484845  Lupinus benthamii Blakley 1958-5-9 BLAKLEY 2275 Los Angeles Annuyal, common, sun, granite loam, rolling grassland. 2 Miles e of gorman on Hwy 138 1097 Comment
  RSA0083164  Lupinus bicolor R. G. Swinney 2010-6-1 13128 Los Angeles lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent. 994 Comment
  RSA748895  Lupinus bicolor R. G. Swinney 2005-5-21 8267 Los Angeles West of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek. 1241 Comment
  SBBG47501  Lupinus bicolor M. B. Dunkle 1928-4-10 1835 Los Angeles Johnson's Landing Cyn Comment
  SBBG132071  Lupinus bicolor S. A. Junak, B. Collins 1991-4-25 SCI 220 Los Angeles Thirst Cyn, S of rd to SHOBA, REWS ("Pole" on map) 533 Comment
  UCSB41990  Lupinus bicolor Purviance, Susan 1979-3-28 Los Angeles On Munz Ranch Road; 1 mi. west of Avenue I; Antelope Valley Comment
  RSA599345  Lupinus bicolor subsp. marginatus Steve Boyd, Lauren Raz 1997-3-26 9374 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
  POM350025  Lupinus bicolor subsp. microphyllus M. B. Dunkle 1939-4-6 7321 Los Angeles San Clemente Island, High Terrace. Comment
  SEINET10484875  Lupinus bicolor subsp. microphyllus Robert F. Thorne 1966-4-28 Thorne 35256 Los Angeles Dry, eroded, clayey slopes, hay press area, with calystegia macrostegia Cyclostegia, gnaphalium purpureum, stipa cernua, helianthemum scoparium, Plagiobothrys arizonicus catalinensis, brodiaea jolonensis, navarettia hamata, Lotus spp 427 Comment
  JEPS65041  Lupinus breweri Frank W. Peirson 1921-6-16 2441 Los Angeles near summit Mt. Waterman; San Gabriel Mts., nr summit Mt. Waterman 2316 Comment
  RSA407122  Lupinus chamissonis Ora M. Clark 1928-12-23 1376 Los Angeles Venice Comment
  UCD107518  Lupinus concinnus Daryl Koutnik 1978-4-28 428 Los Angeles Along fireroad north of Mulholland Hwy and northwest of Saddle Rock. 609 Comment
  SEINET10970250  Lupinus densiflorus Robert F. Thorne 1973-5-11 Thorne 43501 Los Angeles Near mouth of Big Rock Creek Canyon, on dry roadbanks. 1204 Comment
  UCR238097  Lupinus excubitus Mark A. Elvin, Scott Boczkiewicz 2003-5-15 2783 Los Angeles Western Transverse Range; Santa Susana Mountains, Newhall Ranch, crest of mountains at head of Salt Creek watershed, near Ventura Co. line 884 Comment
  UCR91455  Lupinus excubitus Scott D. White 1994-7-18 2277 Los Angeles San Gabriel Mtns., San Dimas Canyon; along San Dimas Wash 335 Comment
  CAS-BOT-BC216657  Lupinus excubitus subsp. hallii Huron H. Smith 1912-5-29 5015 Los Angeles Summit Road, Santa Catalina Island 243 Comment
  CAS-BOT-BC205404  Lupinus excubitus var. austromontanus H. Anderson 1932-3-24 s.n. Los Angeles Hungry Valley Comment
  RSA599629  Lupinus excubitus var. austromontanus Steve Boyd, Lauren Raz 1997-4-16 9523 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
  SEINET10485310  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA 8292 x 6456 Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  POM184668  Lupinus excubitus var. johnstonii Joseph A. Ewan 1932-5-29 7189 Los Angeles Summit of Mount Gleason 1829 Comment
  SFV21472  Lupinus formosus J. H. Nishida 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide, on Little Tujunga Canyon. Fire break. 793 Comment
  RSA414468  Lupinus formosus var. formosus Robert Gustafson 1973-5-17 s.n. Los Angeles ca .4 mile above Charlton Flats campground 1677 Comment
  RSA91195  Lupinus formosus var. formosus F. W. Peirson 1920-5-14 4695 Los Angeles Arroyo Seco, near Pasadena 518 Comment
  RSA91230  Lupinus formosus var. formosus Joseph A. Ewan 1933-7-4 7869 Los Angeles 1/2 mile below summit Monrovia Peak 1463 Comment
  UC1594345  Lupinus guadalupensis Tim Ross and Amy Kendall 1992-4-15 6193 Los Angeles central upland portion San Clemente Island (sw of 'Ledge' (1328' knoll w of Stone field station) 236 degrees sw ca 170m distant from summit of 'Ledge'); central upland portion of San Clemente Island 393 Comment
  UCR68900  Lupinus guadalupensis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4281 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SEINET3131575  Lupinus hirsutissimus A. A. Heller 5358 Los Angeles Claremont Comment
  UCR149828  Lupinus hirsutissimus Scott D. White, Pam Devries 2004-5-18 10417 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
  RSA0115849  Lupinus hirsutissimus Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 561 Los Angeles Santa Catalina Island. Upper part of Hamilton Canyon drainage, just downslope from Airport Road. 305 Comment
  UCSB11268  Lupinus hirsutissimus Hancock, Dan 1961-3-31 Los Angeles E side of Middle Ranch spillway, on Catalina Island Comment
  PASA1666  Lupinus latifolius Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA733752  Lupinus latifolius var. latifolius R. G. Swinney 2000-6-19 7807 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA276008  Lupinus longifolius Jack Delaini 1974-5-9 199 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. Johnson Peak Road, at head of Canyon 854 Comment
  RSA670433  Lupinus longifolius I. W. Clokey, B. C. Templeton 1929-05 4560 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  SEINET10485621  Lupinus longifolius August J. Breitung 1953-6-16 Breitung 15616 Los Angeles Glendora mtn rd. Upper calyx lip cleft; lower entire; banner pubescent, blue Or lavender with a yellow center, pubescent on back near apex. Comment
  RSA20383  Lupinus odoratus var. odoratus Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9489 Los Angeles Between Roosevelt and Wilsonia Comment
  SD51891  Lupinus peirsonii Wesley O. Griesel 1962-5-28 Los Angeles San Gabriel Mountains. State highway #2 2.5 miles east of Dawson Saddle 2286 Comment
  UC586883  Lupinus polyphyllus var. burkei Joseph Andorfer Ewan 1934-8-4 8325 Los Angeles Guffys Spring San Gabriel Mts., s end of Blue Ridge, Cienega, Guffys Sprin (Cienega, s end Blue Ridge) 2438 Comment
  SD186212  Lupinus sparsiflorus A. C. Sanders, Andy Thompson 2003-4-15 26007 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park. 366 Comment
  UCR159820  Lupinus sparsiflorus L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, ridge south of mouth of Big Dalton Canyon 495 Comment
  UCR259628  Lupinus sparsiflorus R. G. Swinney 2010-4-15 12218 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  RSA594973  Lupinus sparsiflorus subsp. sparsiflorus T. S. Ross 1995-4-26 8383 Los Angeles West end of LIEBRE MOUNTAIN along Forest Service Road 7N23 ca 0.9 road-mile NE of its junction with the Old Ridge Route; ca 4550 ft SSW of Sandberg Triangulation Point (5345 ft). 1341 Comment
  POM147967  Lupinus succulentus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UCR155920  Lupinus succulentus A. C. Sanders 2005-5-5 29889 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  UCR280817  Lupinus succulentus Mitch Provance 2017-6-30 617- 42 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., lower portion of Chime Tower Rd. 79 Comment
  RSA619262  Lupinus truncatus R. S. Woglum 1930-5-17 s.n. Los Angeles South Coast: Pasadena. Comment
  UCR172777  Lupinus truncatus Wayne Law, Jun Hu 2000-4-30 06 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCR275284  Lupinus truncatus Jeremiah George 2012-3-1 s.n. Los Angeles South Coast, Entradero Park, West Torrance near Redondo Beach 23 Comment
  POM306278  Lupinus truncatus Henry J. Ramsey 1938-5-1 1400 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA414357  Lupinus truncatus M. B. Dunkle 1939-4-6 7303 Los Angeles Mosquito Harbor. San Clemente Island Comment
  UCD109649  Lupinus truncatus Raymond A. Evans 1949-4-19 s.n. Los Angeles San Dimas. Comment
  LA209637  Lycium andersonii A. M. Johnson; 1932-4-17 3973 Los Angeles 6 mi. W of Palmdale Comment
  LA209638  Lycium andersonii A. M. Johnson; 1932-4-17 3978 Los Angeles 6 mi. W of Palmdale Comment
  UCR223217  Lycium andersonii R. G. Swinney 2009-5-13 10788 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
  RSA702946  Lycium cooperi Scott D. White, Michael Honer 2004-3-30 9955 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  CAS-BOT-BC140218  Lyonothamnus floribundus subsp. aspleniifolius Herman Knoche 1919-7-4 Series A, No. 1004 Los Angeles San Clemento Island, Camp Mesquite 274 Comment
  RSA589866  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara 1994-8-4 8209 Los Angeles Santa Catalina Island. SW side of the island, 460m ENE of Carlos triangulation point (972 ft) and 2080m NNW of Quartz triangulation point (1252 ft) 207 Comment
  RSA589871  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8208 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system, at head of Bouchette Canyon draining NE to Johnson's Landing. 405 Comment
  SBBG51689  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62 -510 Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  CATA39  Lysimachia arvensis Mark L. Hoefs, A. Douglas Propst 1973-3-3 21 Los Angeles Santa Catalina Island: East slope of Mt. Black Jack 365 Comment
  RSA0011265  Lythrum californicum Louis Greata 1900-08 s.n. Los Angeles Los Angeles Comment
  RSA601339  Madia elegans subsp. wheeleri Steve Boyd, Lauren Raz 1997-6-17 9955 Los Angeles Liebre Mountains region: Summit of Burnt Peak, generally to the northeast of the FAA site. 1706 Comment
  RSA549179  Madia elegans subsp. wheeleri Timothy S. Ross 1992-7-16 6688 Los Angeles Near summit of Mt. Gleason, just E of the military reservation. 1901 Comment
  RSA158037A  Madia exigua P. H. Raven 1962-5-21 17812 Los Angeles Santa Catalina Island: lower end of Bullrush Canyon 198 Comment
  POM362172  Madia gracilis F. R. Fosberg 1931-1 692 Los Angeles Pebble [Pebbly] Beach Canyon, Rt Fortk, Santa Catalina Island. 70 Comment
  RSA702367  Madia sativa Scott D. White, Pam DeVries 2004-6-14 10490 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  SD727  Maianthemum stellatum Ruth B. Randall Jul 1931 181 Los Angeles Recreation grounds, Big Pines, near Los Angeles. Comment
  UCR259129  Malacothamnus R. G. Swinney 2010-5-4 12528 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  RSA642698  Malacothamnus davidsonii Orlando Mistretta 1992-7-14 723 Los Angeles San Gabriel Mountians: Gold Canyon Trail; Tujunga Ranger District. Comment
  CAS-BOT-BC206212  Malacothamnus fasciculatus Vernon O. Bailey 1907-10-29 s.n. Los Angeles N. slope Santa Monica Mts. Comment
  LA105093  Malacothamnus fasciculatus Barry A. Prigge; 1988-7-3 8230 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  RSA695387  Malacothamnus fasciculatus A. C. Sanders, Mark A. Elvin 2002-6-18 25132 Los Angeles NE end of Santa Susana Mtn.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  UCR88662  Malacothamnus fasciculatus Scott D. White 1995-10-19 3708 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
  UC56291  Malacothamnus fasciculatus var. fasciculatus Ernest Braunton Apr 1902 220 Los Angeles Griffith Park Comment
  POM160274  Malacothamnus marrubioides F. W. Peirson 1929-7-1 s.n. Los Angeles Aliso Creek, San Gabriel Mts. 1098 Comment
  UCR147057  Malacothamnus marrubioides L. C. Wheeler 1967-9-5 10689 Los Angeles Transverse Ranges/San Gabriel Mtns, Lupine Campground, Prairie Fork 1982 Comment
  RSA0091732  Malacothrix clevelandii R. G. Swinney 2011-5-12 14668 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA0110579  Malacothrix coulteri Richard G. Swinney 2011-4-19 14421 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. Under transmission lines. 945 Comment
  RSA547431  Malacothrix glabrata Timothy S. Ross 1992-5-17 6357 Los Angeles E Fork of the the San Gabriel River; about 95m S of the mouth of Shoemaker Canyon 655 Comment
  RSA95002  Malacothrix glabrata F. W. Peirson 1923-5-27 4313 Los Angeles Pallett Creek, tributary to Rock Creek, north slope of San Gabriel Mts. 1097 Comment
  UCR125928  Malacothrix saxatilis A. C. Sanders, Mark Elvin 2002-6-20 25204 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
  CAS-BOT-BC347910  Malacothrix saxatilis var. tenuifolia C. B. Wolf 1931-5-13 2003 Los Angeles Pacoima Wash, near the bridge on the road from Tujunga to San Fernando 365 Comment
  CAS-BOT-BC347943  Malacothrix saxatilis var. tenuifolia Timothy S. Ross; Steve Boyd 1994-9-20 8264 Los Angeles Liebre Mountains. Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir 934 Comment
  RSA631392  Malacothrix saxatilis var. tenuifolia Valerie L. Soza, LeRoy Gross 1999-5-10 458 Los Angeles Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 377 Comment
  SD69585  Malacothrix saxatilis var. tenuifolia Robert F. Thorne 1966-9-16 36727 Los Angeles Santa Catalina Island; west facing slope between Avalon and Descanso Beach. 14 Comment
  UCR160092  Malacothrix saxatilis var. tenuifolia Orlando Mistretta 1992-7-17 730 Los Angeles Transverse Ranges: San Gabriel Mountains, San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District 402 Comment
  CAS-BOT-BC170387  Malosma laurina Alice Eastwood 1915-8-25 4922 Los Angeles Duarte Comment
  CAS-BOT-BC170377  Malosma laurina Mrs. Alexander McCallum 1905-3-1 s.n. Los Angeles Unspecified Comment
  RSA533441  Malva parviflora Tim S. Ross 1991-4-21 4508 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  CAS-BOT-BC518704  Manihot grahamii R. G. Swinney 2010-6-11 13248 Los Angeles San Gabriel Mountains: Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mi N of Foothill Blvd. 184 Comment
  UCR259684  Marah macrocarpa R. G. Swinney 2010-4-15 12228 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR261317  Marah macrocarpa R. G. Swinney 2010-3-13 11890 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR271473  Marah macrocarpa R. G. Swinney 2011-5-3 14575 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA0077296  Marah macrocarpa R. F. Thorne, Jim Henrickson 1963-5-5 32286 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  LA81993  Marrubium vulgare A. H. Lange; May 1951 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA660754  Marrubium vulgare Jeff Weiler 1981-4-16 7 Los Angeles Cal Poly Pomona, NW slope of canyon behind Lot J. Behind Health Center. Comment
  UCSB5712  Marrubium vulgare Albright, S. 1957-4-10 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  RSA135127  Meconella denticulata Peter H. Raven, H. J. Thompson 1960-4-24 15121 Los Angeles 2 miles E of Decker Road on Milholland Hwy 610 Comment
  UC72701  Meconella denticulata Geo. B. Grant May 1901 1009 Los Angeles Eagle Rock Valley Comment
  RSA348020  Medicago polymorpha F. R. Fosberg 1931-3-22 S 4321 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 75 Comment
  UCR260384  Melia azedarach R. G. Swinney 2010-4-1 12156 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
  RSA0087043  Melica imperfecta R. G. Swinney 2010-8-9 13457 Los Angeles Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  RSA526630  Melica imperfecta Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4200 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SEINET4902204  Melica imperfecta George T. Hastings 1942-2-27 s.n. Los Angeles Los Angeles, Temescal Canyon. Comment
  UC1584871  Melica imperfecta Tim Ross 1991-4-8 4473 Los Angeles Elephant Hill Pomona, San Dimas U.S.G.S. 7.5' Quad. (w Pomona) 347 Comment
  UCD87876  Melica imperfecta P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Canyon by golf-links. Comment
  UCD87963  Melica imperfecta H. B. Perrin 1920-6-1 37 Los Angeles 1000 Buena Vista St., So. Pasadena. Comment
  UCR270983  Melica imperfecta R. G. Swinney 2011-5-26 14856 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
  RSA588967  Melica stricta Orlando Mistretta 1994-6-8 1348 Los Angeles San Gabriel Mountains: Little Rock Creek. un-named drainage draining N slope of Bare Mountain. 1616 Comment
  RSA602207  Melilotus indicus L. C. Wheeler 1945-6-3 6059 Los Angeles San Gabriel Mountains.: West Fork, San Gabriel Canyon, ca. 1 mile west of Forks. Comment
  JEPS41224  Mentzelia congesta Frank W. Peirson 1919-6-14 472 Los Angeles San Gabriel Mountains, Rock Creek Comment
  UCR243032  Mentzelia laevicaulis R. G. Swinney 2009-8-6 11537 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  IRVC27969  Mentzelia micrantha A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26127 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  UCR208487  Mentzelia micrantha Justin M. Wood 2009-4-13 493 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  SBBG53308  Mesembryanthemum crystallinum D. M. Power 1972-11-11 Los Angeles terrace W of Wilson's Cove Comment
  SBBG13173  Mesembryanthemum nodiflorum E. R. Blakley 1962-6-10 5215 Los Angeles Wilson Cove 9 Comment
  RSA393757  Micropus californicus Geo. L. Moxley 1915-5-9 322 Los Angeles Low hills Comment
  RSA518011  Microseris lindleyi Steve Boyd, Orlando Mistretta 1986-3-31 1547 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCR18015  Microseris lindleyi A. C. Sanders 1976-5-9 00817 Los Angeles Mojave Desert, Hwy 138 at the W end of the Antelope Valley 976 Comment
  UCR228144  Microseris lindleyi R. F. Thorne 1965-5-10 34483 Los Angeles Channel Islands, Santa Catalina Island, upper end of Gallagher Canyon 412 Comment
  UCR230246  Microseris lindleyi Dan S. Cooper 2011-4-26 411- 9 B Los Angeles Los Angeles Basin/San Gabriel Mtns. Foothills, Sunland, Big Tujunga Wash, between 210 Fwy and Foothill Blvd. 358 Comment
  UCR184112  Microseris sylvatica A. C. Sanders, T. B. Salvato 2007-4-24 33477 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  SFV18789  Mimulus aurantiacus A. Dittmer 2004-4-15 40 Los Angeles Simi Hills, Chatsworth. On Woolsey Canyon, 50 feet from the intersection of Woolsey Canyon and Valley Circle Blvd. Roadside on NNW facing slope. Comment
  UCR213691  Mimulus aurantiacus Justin M. Wood 2009-6-1 787 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  OBI9531  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7772 Los Angeles Base of Santa Susana Pass 366 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
  RSA535600  Mimulus johnstonii David M. Thompson 1986-6-7 494 Los Angeles 3.0 miles SE of Valyermo-Big Pines road along Big Rock Creek Road, NE side of road. 1390 Comment
  UCR204845  Mimulus johnstonii R. G. Swinney 2005-8-11 8440 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA286661  Mimulus moschatus Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44756 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  RSA0094563  Mimulus palmeri Richard G. Swinney 2011-6-6 15013 Los Angeles San Gabriel Mountains: Charlton Flat (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA549809  Mimulus pilosus Wandalee Thompson 1964-6-29 57 Los Angeles Hatch Property, Oakdale Canyon, N-2 Pine Canyon Road. West of Three Points and Elizabeth Lake. Comment
  RSA680213  Minuartia douglasii Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1684 Los Angeles Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. 1982 Comment
  RSA423548  Minuartia douglasii E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon Comment
  UCR127034  Mirabilis laevis Mark A. Elvin 2003-4-9 2469 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  UCR219474  Mirabilis laevis R. G. Swinney 2009-3-19 10142 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  SFV15357  Mirabilis laevis J. C. Dittes 1990-3-2 29 Los Angeles San Fernando Valley South side of Big Tujunga Wash, 2 miles west of 210 Freeway on Sheldon Street roadcut. 305 Comment
  RSA657202  Mirabilis laevis var. crassifolia Joseph M. Keefe 2001-1-19 30980 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  SD21272  Mirabilis laevis var. crassifolia Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Catalina Island. Comment
  RSA715784  Mirabilis multiflora Scott D. White, Pam DeVries 2006-5-10 11422 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
  RSA598294  Modiola caroliniana Louis C. Wheeler 1947-5-11 6485 Los Angeles Arcadia. Rancho Santa Anita. Baldwin Estate, near coach house. Comment
  UCR182739  Monardella R. G. Swinney 1997-7-16 5656 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  JEPS22747  Monardella breweri subsp. lanceolata Rimo Bacigalupi with Reino Alava 1958-7-20 6399 Los Angeles close to Angeles Crest Highway (State Highway 2) (Charlton Flat); San Gabriel Mountains, Angeles National Forest 1623 Comment
  LA62775  Monardella exilis Victor Duran; 1933-5-23 3415 Los Angeles near Lancaster 716 Comment
  SBBG65460  Monolepis nuttalliana R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  UC831331  Monolopia lanceolata I. W. Clokey, C. B. Clokey and B. C. Templeton 1930-5-13 4767 Los Angeles Boquet Canyon 600 Comment
  SEINET3148207  Monolopia major G. B. Grant 798 Los Angeles Highland Park Comment
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Feb 9 2019
  UCR141076  Monoptilon bellidiforme June Latting 1973-4-29 s.n. Los Angeles Mojave Desert, near Three Sisters hills along Black Butte Road, Antelope Valley, NE of Llano 976 Comment
  UCR117107  Morus alba A. C. Sanders, D. Malueg 2001-5-17 24316 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  CAS-BOT-BC108991  Mucronea californica Le Roy Abrams 1902-6-10 2507 Los Angeles Playa del Rey. Comment
  RSA608227  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin Park: Albarnes Station, east side San Gabriel Wash, just north of Valley Blvd. Comment
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Aug 13 2014
  UCR261777  Muhlenbergia asperifolia R. G. Swinney 2010-9-13 13843 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR210227  Muhlenbergia californica R. G. Swinney 2008-9-10 9422 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  HSC83457  Muhlenbergia microsperma D. L. Koutnik 1978-5-2 460 Los Angeles Bell Canyon in the Simi Hills. 427 Comment
  SBBG96687  Muhlenbergia microsperma S. Boyd with T. Ross, L. Arnseth 1990-4-7 4195 Los Angeles upper reaches of China Cyn Comment
  UCR152465  Muhlenbergia microsperma A. C. Sanders, Lee Jones 2005-4-8 29325 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA517158  Muhlenbergia rigens Timothy S. Ross 1990-10-9 3253 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest 1436 Comment
  SD52293  Muhlenbergia rigens A. J. McClatchie 1891-8-3 11955 Los Angeles Pasadena Comment
  RSA710750  Muilla maritima Valerie L. Soza, Bill Hogshead 2003-4-23 1642 Los Angeles Brand Park, ridgetop between Brand Canyon and Childs Canyon. 640 Comment
  UCR206261  Muilla maritima R. G. Swinney 2008-6-4 8940 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  CAS-BOT-BC515106  Muilla maritima Geo. B. Grant 1905-4-20 803 Los Angeles Pasadena, southern California Comment
  RSA757324  Muilla maritima Orlando Mistretta, Christine Mistretta 2008-4-4 2304 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Tuckerway Ranch Road (Segment 5, structure 58 per TRTP survey; 2008) 1089 Comment
  CAS-BOT-BC327745  Munzothamnus blairii Reid Moran 1958-9-15 6824 Los Angeles San Clemente Island. Canyon, 1.8 miles SE of Eel Point. 100 Comment
  OBI43718  Myoporum laetum A. C. Sanders 1986-7-30 6819 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr E of Vista Del Mar Blvd 30 Comment
  SEINET7040201  Nama demissa A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  RSA484130  Nassella cernua Edith A. Purer 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  SBBG14261  Nassella cernua M. A. Piehl, P. H. Raven 1962-6-9 62349 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  RSA187854  Nassella lepida R. F. Thorne 1966-6-1 36483 Los Angeles Santa Catalina Island. Opposite Bird Park, Avalon. 30 Comment
  UC821969  Nassella lepida F. R. Fosberg 1931-3-19 S 4304 Los Angeles se slope near Avalon; Santa Catalina Island, Hamilton Canyon 10 Comment
  UCD87917  Nassella lepida Peter H. Raven; Robert F. Thorne 1964-5-7 19030 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains. 243 Comment
  CAS-BOT-BC60404  Nasturtium officinale Peter H. Raven; Henry J. Thompson 1959-10-14 14632 Los Angeles Santa Monica Mountains. East end of Malibu Lake. 220 Comment
  SFV20883  Navarretia hamata subsp. hamata L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1074 Los Angeles Verdugo Mountains North side of Verdugo Mountains south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 556 Comment
  RSA469867  Navarretia hamata subsp. leptantha F. R. Fosberg 1931-4-22 54674 Los Angeles Santa Catalina Island. Ridge above Eagles Nest, Middle Ranch Canyon 200 Comment
  UCR148996  Navarretia prostrata Beecher Crampton 1963-5-8 6794 Los Angeles Coastal Plains & Basins; Los Angeles Basin region., Los Angeles, north of Gardena, Rosecrans Ave. just west of its junction with Western Ave. Comment
  LA204526  Nemacladus gracilis Carl Epling; 1941-5-8 Los Angeles near Little Rock Comment
  UCR256566  Nemacladus longiflorus var. longiflorus Anuja Parikh, Nathan Gale 2011-6-25 3505 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 1.2 km west of Shortcut Station, 0.8 km north of State Hwy 2, Angeles Crest Hwy 1236 Comment
  RSA611769  Nemacladus ramosissimus L. C. Wheeler 1934-4-24 2548 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA0011361  Nemacladus sigmoideus Orlando Mistretta, Youssef Atallah 2011-8-12 6022 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  SEINET5791646 Image available Nemophila menziesii Marcus E. Jones 1882-1 3037 Los Angeles Pasadena, California Comment
  UC56413  Nemophila menziesii Ernest Braunton Mar 1903 836 Los Angeles Elysian Park Comment
  POM214383  Nemophila menziesii var. integrifolia Louis C. Wheeler 1932-3-19 526 Los Angeles Head Mandeville Canyon, Santa Monica Mts. 457 Comment
  RSA75867  Nemophila menziesii var. integrifolia F. W. Peirson 1920-5-1 166 Los Angeles Idle Hour Camp, Eaton Canyon. 732 Comment
  UCSC000896  Nemophila menziesii var. integrifolia E. McMillan 1952-3-23 19 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock San Gabriel Mts., Little Rock Comment
  LA202608  Nemophila menziesii var. menziesii O. H. Kappler; 1941-4-8 190 Los Angeles Santa Monica Mountains, Sherman Oaks Comment
  UCR260374  Nerium oleander R. G. Swinney 2010-4-1 12157 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
  RSA92208  Nicolletia occidentalis F. W. Peirson 1933-5-13 10662 Los Angeles 12 miles south of Muroc. Comment
  UC64486  Nicotiana attenuata H. M. Hall Jun 1899 Los Angeles Swartout Canyon; San Antonio Mountains 1828 Comment
  RSA678150  Nicotiana attenuata Michael Denslow, Valerie Soza 2002-7-10 696 Los Angeles North side of mountains. Road side; off Big Rock Creek road on the road to south fork campground. 1372 Comment
  UCSB13349  Nicotiana attenuata Breedlove, Dennis 1961-8-4 Los Angeles intersection between Big Pines Highway and Largo Vista Road; E slope of San Gabriel Mtns Comment
  LA51858  Nicotiana glauca A. M. Johnson; 1928-2-16 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA426753  Nicotiana obtusifolia Anstruther Davidson 1924-3-24 s.n. Los Angeles Tujunga trail; 1.5 mi. north of Switzer. Comment
  UCR281596  Nicotiana quadrivalvis R. G. Swinney 2014-5-7 16425 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  UCR2904  Oenothera californica subsp. avita Paul W. White 1963-4-11 41163- 01 Los Angeles West Mojave Desert, AntelopeValley, 3 mi. south of State Hwy 138 on 165th St. E. 1159 Comment
  UCR261794  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-9-13 13842 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UC873993  Oenothera laciniata P. A. Munz 1922-7-17 6127 Los Angeles New York Ave. Pasadena Comment
  POM317873  Opuntia basilaris var. brachyclada Lyman Benson 1969-4-18 s.n. Los Angeles Intersection of Los Angeles County Route N4 and the road from Wrightwood to Pear Blossom above the Mojave desert. San Gabriel Mountains 1371 Comment
  UCR223582  Opuntia basilaris var. brachyclada R. G. Swinney 2009-6-17 11223 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  SBBG83861  Opuntia littoralis A. C. Sanders 1986-7-30 6834 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  SEINET880414 Image available Ornithostaphylos oppositifolia C. W. Tilforth 1976-1 1205 Los Angeles Garden grown from seed brought from Baja California, Mexico. Comment
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Jul 9 2015
  RSA0084351  Orobanche bulbosa Albert J. Perkins 1917-5-26 s.n. Los Angeles Upper end Arroyo Seco. San Gabriel Mts. Comment
  LA200979  Orobanche fasciculata Carl Wishner; 1997-3-26 2434 Los Angeles Santa Monica Mountains, Cornell, hills just E of Los Angeles County Fire Station 275.0 Comment
  RSA151015  Orthocarpus purpurascens Peter H. Raven 1962-3-27 16996 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east to Portugese Bend. Comment
  UC1348978  Osmorhiza berteroi Robert F. Thorne and M. Z. Thorne 1967-7-19 37190 Los Angeles above Crystal Lake Recreation Area; San Gabriel Mts., Angeles National Forest, Big Cienega Sprin 1981 Comment
  UC213217  Osmorhiza berteroi I. M. Johnston 1918-7-6 2084 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2133 Comment
  RSA310137  Osmorhiza berteroi Wayne E. Sawyer 1981-6-25 65 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2454 Comment
  RSA607607  Oxalis corniculata Louis C. Wheeler 1966-10-27 9094 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  RSA0085299  Oxalis pes-caprae R. G. Swinney 2010-3-16 11929 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  SD39352  Oxalis valdiviensis Edith A. Purer 1931-2-15 71 Los Angeles Open field Comment
  RSA392881  Oxytheca trilobata Geo. L. Moxley 1915-7-23 430 Los Angeles Summit of Strawberry Peak, San Gabriel Mts. 1875 Comment
  RSA529189  Oxytheca trilobata Tim S. Ross, S. D. Boyd 1991-7-24 5652 Los Angeles Granite Mountain: San Gabriel Mountain Range. 1976 Comment
  UCR101298  Oxytheca trilobata L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mtns, Devil's Canyon, depression on bench NE of campground 1433 Comment
  RSA126748  Packera breweri P. H. Raven 1959-5-1 14051 Los Angeles Santa Monica Mountains. Mulholland Hwy. 1 mile W. of Las Virenes Rd. 274 Comment
  UC91674  Packera breweri T. S. Brandegee May 1893 Los Angeles Santa Maria Mountains Comment
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1
  CAS-BOT-BC121159  Paeonia californica Louis C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains, Pacoima Canyon. 731 Comment
  SD181303  Pancratium maritimum A. C. Sanders 1987-7-22 7156 Los Angeles El Segundo Dunes, immediately west of L. A. International Airport and Pershing Dr., east of Vista Del Mar Blvd. 29 Comment
  UCR204854  Panicum capillare R. G. Swinney 2005-8-9 8413 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA3565  Parapholis incurva C. B. Wolf 1932-5-12 3577 Los Angeles Santa Catalina Island. Borders of Catalina Harbor. 3 Comment
  UC1594354  Parapholis incurva Tim Ross 1992-4-14 6183 Los Angeles Lemon Tank Road ca 25 m ese of intersection Lemon Tank Rd with main n-s island rd San Clemente Island 341 Comment
  SBBG112785  Parietaria hespera var. californica S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 520 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  RSA535712  Parietaria hespera var. hespera Tim S. Ross 1991-5-22 5458 Los Angeles San Clemente Island. Spray Canyon; short canyon 2400 ft. ENE of Spray (which is 5200 ft. N of Eel Point), W side of island. 61 Comment
  RSA656204  Parietaria hespera var. hespera Joseph M. Keefe 1977-3-2 20744 Los Angeles Verdugo Mountains, Glendale, along Deer Creek, 0.5 Km west of Masinter Debris Dam, west of Oakmont Country Club. 396 Comment
  RSA722933  Parthenocissus vitacea R. E. Riefner 2007-5-27 7 -219 Los Angeles Near El Monte, vicinity of Whittier Narrows Nature Center, floodplain of San Gabriel River at Peck St. (NAD 83) 69 Comment
  UCR206142  Paspalum dilatatum R. G. Swinney 2008-5-30 8914 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
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Dec 3 2009
  UCR95723  Paspalum dilatatum L. C. Wheeler 1947-5-17 6487 Los Angeles Just outside (SW) Monterey Park city limits, Mesa Drive Comment
  RSA657921  Passiflora caerulea J. Liston 1980-5-28 47 Los Angeles On fence at Oakmont Country Club Golf Course, at stoplight on Canada Blvd. 2.5 miles from (north of) Glendale College Comment
  RSA213357  Pectocarya linearis subsp. ferocula Reid V. Moran 1941-3-11 698 Los Angeles Ridge north of Middle Ranch, Santa Catalina Island Comment
  SBBG53196  Pectocarya linearis subsp. ferocula R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -218 Los Angeles lower-middle Bullrush Cyn, Salta Verde Comment
  RSA0108842  Pectocarya penicillata R. G. Swinney 2010-6-1 13158 Los Angeles San Gabriel Mountains: Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UCR118696A  Pectocarya penicillata David Charlton 1989-4-30 3032 A Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs, c. 5 mi. (air) south of Palmdale, approximately 1 mile north of the northern boundary of the Angeles National Forest 1037 Comment
  RSA0036271  Pectocarya penicillata Philip A. Munz 1949-4-26 13084 Los Angeles near Phelan, Mojave Desert 944 Comment
  RSA710840  Pectocarya penicillata LeRoy Gross 2005-5-3 2202 -b Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA674637  Pectocarya setosa Scott D. White, Kent Hughes 2000-5-16 7862 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA787636  Pedicularis semibarbata Jane Tirrell, Graham Bothwell, Walter Fidler, Thomas Stoughton 2012-5-15 LS 0049 Los Angeles Near junction of Pacific Crest Trail and South Mt. Hawkins Trail; approx. 0.5 miles west of Mt. Hawkins 2558 Comment
  RSA674538  Pellaea andromedifolia LeRoy Gross 2003-2-22 742 Los Angeles South side; Along Brand Canyon (fire burned this area in Summer-fall of 2002). Above the falls area up the west fork drainage area of Brand Canyon. 479 Comment
  UCR273398  Pellaea andromedifolia R. G. Swinney 2011-4-26 14495 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  POM120785  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  RSA632950  Pellaea andromedifolia var. andromedifolia Valerie L. Soza, Kent Hughes 1999-6-17 548 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  UCR223438  Pellaea mucronata R. G. Swinney 2009-4-28 10535 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR88659  Pellaea mucronata Scott D. White 1995-10-19 3713 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
  RSA656425  Pellaea mucronata subsp. mucronata Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 707 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. 579 Comment
  CHSC95752  Pellaea mucronata var. mucronata Joseph Marlowe Keefe 2001-1-19 30983 Los Angeles Vergudo Mountains. Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, CA 91040. 384 Comment
  RSA630772  Pellaea mucronata var. mucronata Steven A. Junak 1997-4-22 SCI- 855 Los Angeles San Clemente Island: W side of island, just below rim on N side of Waynuk Canyon, just upstream from large drop-off, across canyon from old fenceline. 365 Comment
  CATA3429  Pennisetum setaceum Stuart Olshevski, Julia Parish, Jaimie Choi, Tobias Nickel 2017-4-12 002 Los Angeles Santa Catalina Island: Channel side; Hamilton Cove condominium area 210 Comment
  UCR255770  Pennisetum setaceum R. G. Swinney 2010-5-4 12488 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
  RSA0091733  Penstemon centranthifolius R. G. Swinney 2011-5-12 14666 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UC479132  Penstemon grinnellii Marcus E. Jones, A. M. 1931-6-28 28825 Los Angeles San Antonio Peak Comment
  UCR189948  Penstemon grinnellii R. G. Swinney 1998-8-27 6830 Los Angeles San Gabriel Mtns., Mount San Antonio (East/Old Baldy) Peak 3055 Comment
  RSA408047  Penstemon grinnellii subsp. grinnellii Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson Peak. San Gabriel Mountains Comment
  SD127611  Penstemon grinnellii var. grinnellii Scott Zona, D. Arias, et al. 21-28 Jun 1989 331 Los Angeles Mountain High Ski Resort; west of Wrightwood. 2020 Comment
  SD254672  Penstemon grinnellii var. grinnellii R. G. Swinney 2011-7-29 15580 Los Angeles San Gabriel Mountains; Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins (Crystal Lake 7.5'Q) 2454 Comment
  POM49961  Penstemon heterophyllus A. D. E. Elmer 1902-06 3707 Los Angeles Acton, Mt. Gleason. Comment
  SBBG118936  Penstemon heterophyllus S. D. White with P. De Vries 2004-6-14 10495 Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  LA51899  Penstemon heterophyllus var. australis C. L. Hogue; 1954-5-20 sn Los Angeles Santa Monica Mountains, Mulholland Drive 457 Comment
  LA51901  Penstemon heterophyllus var. australis A. M. Johnson; 1934-5-4 4451 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA407918  Penstemon heterophyllus var. australis N. C. Cooper 4211 Los Angeles Angeles Crest Highway. 1067 Comment
  UC76099  Penstemon heterophyllus var. heterophyllus Geo. B. Grant June 1901 937 Los Angeles Mt. Lowe Mt. Lowe (So. Cal.) Comment
  UC63387  Pentachaeta aurea Ernest Braunton Apr. 1902 212 Los Angeles North Pomona Comment
  RSA0070824  Pentagramma triangularis Tim Ross, Steve Boyd 1993-5-23 7236 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca. 380 m SE of the saddle between Ruby and Clearwater Canyons. 963 Comment
  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
  RSA757339  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Christine Mistretta 2008-4-8 2381 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road 959 Comment
  UCR203251  Perideridia gairdneri R. G. Swinney 2001-8-27 8121 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  SBBG13456  Perityle emoryi E. R. Blakley 1962-10-4 5411 Los Angeles SE side of the Isthmus Cove 3 Comment
  UC1587732  Perityle emoryi Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5236 Los Angeles first un-named canyon s Snake Cactus Canyon (drainage beginning 1420 ft due w of Guds, se end San Clemente Island); se end San Clemente Island 152 Comment
  POM122301  Perityle emoryi Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  SBBG61514  Persicaria punctata R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  POM145740  Petalonyx thurberi subsp. thurberi Thomas Craig 1927-6-19 460 Los Angeles Soledad Canyon Road near west junction with Mint Canon Road. [canyon] Comment
  RSA788643  Petunia parviflora D. E. Bramlet, R. L. Allen 2011-5-26 4849 Los Angeles Terrace beside (W) San Jose Creek. Found E of the 605 freeway, 165m E San Gabriel River and 210m S of Pellissier Place. 64 Comment
  CHSC5082  Phacelia Mary MacArthur 1967-6-24 67 Los Angeles Angeles National Forest, .7 mi. from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittent stream bed. 1584 Comment
  UCR260397  Phacelia R. G. Swinney 2010-6-21 13279 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
  POM18118  Phacelia austromontana P. A. Munz 1923-5-26 6844 Los Angeles head of Vincent Gulch. 2012 Comment
  UC672386  Phacelia brachyloba Herbert L. Mason 1927-6-11 3745 Los Angeles Mt. Wilson San Gabriel Mts. 1524 Comment
  UCR222799  Phacelia brachyloba R. G. Swinney 2009-5-9 10709 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway 183 Comment
  RSA387229  Phacelia brachyloba T. Reeves 1975-5-18 R 2671 Los Angeles 2.7 mi NE of La Canada on Hwy 2. Comment
  RSA427575  Phacelia brachyloba Robin S. Collins 1973-5-28 313 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon 762 Comment
  UC1584866  Phacelia cicutaria var. hispida Tim Ross 1991-4-8 4459 Los Angeles mesic nw slope of hill San Dimas USGS 7.5' quadrangle, western Pomona, Elephant Hil 228 Comment
  RSA669697  Phacelia cicutaria var. hispida LeRoy Gross, Naomi S. Fraga, Bill Hogshead 2002-3-21 498 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Burbank 7.5 Quad. 412 Comment
  UC1375347  Phacelia davidsonii Robert F. Thorne 1971-6-26 39982 Los Angeles Charlton Flats San Gabriel Mts., Angeles National Forest (along stream bed in small gully) 1645 Comment
  UCR256571  Phacelia davidsonii Anuja Parikh, Nathan Gale 2011-6-27 3512 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.1 km SW of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1277 Comment
  UCR272959  Phacelia davidsonii R. G. Swinney 2011-6-1 14948 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
  IRVC28415  Phacelia distans A. C. Sanders 2003-5-26 26839 Los Angeles 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 San Gabriel Valley 171 Comment
  RSA0092236  Phacelia distans R. G. Swinney 2011-5-12 14682 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy. 1183 Comment
  RSA660114  Phacelia distans Orlando Mistretta 1992-6-12 556 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). 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
  RSA426113  Phacelia douglasii T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica, roadside Comment
  UC56887  Phacelia douglasii H. M. Hall May 1 1902-May 3 1902 3063 Los Angeles vicinity of Elizabeth Lake Antelope Valley 1066 Comment
  RSA630312  Phacelia fremontii Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  SBBG64942  Phacelia fremontii R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SFV2987  Phacelia fremontii P. G. Kilburn 1958-4-12 715 Los Angeles San Gabriel Mountains Soledad Canyon, 0.5 miles south of junction with U. S. Highway 6. 900 Comment
  SEINET6097661  Phacelia fremontii Louis Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  POM8505  Phacelia grandiflora P. A. Munz, R. D. Harwood 1920-5-17 3967 Los Angeles Topanga Canyon, Santa Monica Mountains 152 Comment
  UC24361  Phacelia grandiflora Samuel B. Parish June 1887 1929 Los Angeles Gladstone Comment
  UCR200028  Phacelia grandiflora Valerie Soza, Susan Caplow 2003-4-11 1626 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, south of junction of Brand Park Motorway and Verdugo Motorway, alongside Brand Park Motorway, head of Brand Canyon 762 Comment
  RSA427973  Phacelia grandiflora Floy Stanley 1928-4-22 14562 Los Angeles Monrovia. Saw Pit Canyon. Comment
  RSA783490  Phacelia imbricata J. D. Olmsted 1959-3-30 325 Los Angeles 0.25 mi SE of junction between Palmer and Cobal Canyons and eastern county line. San Antonio Wash drainage area 427 Comment
  RSA134003  Phacelia imbricata subsp. imbricata L. R. Heckard 1956-6-30 776 Los Angeles Foothills near Padua Hills Comment
  RSA579322  Phacelia imbricata subsp. patula Tim S. Ross 1994-5-31 7972 Los Angeles Pacifico Mountain, somewhat flat granitic ridgetop ca 800 m WNW of summit 2060 Comment
  UCR205590  Phacelia longipes R. G. Swinney 2008-5-13 8869 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, South Fork Trail 0.7 mi. east of Holcomb Canyon 1512 Comment
  PASA1333  Phacelia minor Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  UC1611566  Phacelia minor Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-29 4836 Los Angeles Parker Mountain Liebre Mountains, Acton 7.5' USGS Quadrangle (and ridge to sw, sw of Acton and nne of Ravenna, nw Los Angeles Co.) 1118 Comment
  LA201878  Phacelia ramosissima Arthur C. Gibson; 2003-5-17 4994 Los Angeles Comment
  RSA0080163  Phacelia ramosissima Orlando Mistretta 1992-7-9 670 Los Angeles San Gabriel Mtns: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA428164  Phacelia ramosissima var. austrolitoralis Tom Burch 1940-04 s.n. Los Angeles Redondo Beach. Comment
  CAS-BOT-BC159102  Phacelia ramosissima var. latifolia S. F. Blake 1910-8-11 685 Los Angeles Near Verdugo, near brook Comment
  CAS-BOT-BC154348  Phacelia stellaris David D. Keck 1935-3-18 3019 Los Angeles San Gabriel River, 2 mi. E. of El Monte 91 Comment
  RSA4765  Phacelia stellaris James Snow s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  RSA607086  Phacelia tanacetifolia Louis C. Wheeler 1932-4-10 596 Los Angeles 8 mi. W Palmdale on Portal Ridge north of Amargosa Creek. 1037 Comment
  CAS-BOT-BC258827  Phalaris angusta Geo. B. Grant 1900-3-30 s.n. Los Angeles Avalon Comment
  CAS-BOT-BC259057  Phalaris lemmonii Geo. B. Grant 1901-4-1 970 Los Angeles The Palms near Los Angeles Comment
  UCD88893  Phalaris lemmonii Beecher Crampton 1963-5-8 6795 Los Angeles Los Angeles. N of Gardena, Rosecrans Ave, just W of its junction with Western Ave. Comment
  RSA158310  Phalaris minor P. H. Raven 1962-4-11 17302 Los Angeles Northwest end of island between Driggs and West Rock, San Clemente Island 15 Comment
  UC205649  Phalaris minor S. B. Parish 1918-6-5 11865 Los Angeles Playa del Rey Comment
  CHSC8053  Philadelphus lewisii Edward L. Smith 1957-4-25 227 Los Angeles Located in Little Dalton Canyon. San Gabriel Mts. 365 Comment
  CAS-BOT-BC219549  Pholisma arenarium H. D. Ripley; R. C. Barneby 1942-7-11 5000 Los Angeles Playa del Rey 15 Comment
  SBBG94238  Pholistoma auritum R. Moran 1941-3-1 663 Los Angeles Arrow Pt 200 Comment
  UCR200198  Pholistoma auritum Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 891 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Canyon SW of fire road south from Engleheard Canyon to powerlines 427 Comment
  UCR259058  Pholistoma membranaceum R. G. Swinney 2010-5-12 12766 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  SBBG12280  Pholistoma racemosum P. H. Raven 1962-4-10 17216 Los Angeles summit ridge, ca. 2 mi N of Thirst 487 Comment
  SBBG37812  Pholistoma racemosum R. Moran 1941-2-17 574 Los Angeles Middle Ranch 152 Comment
  CAS-BOT-BC134959  Phoradendron bolleanum James R. Shevock 1976-4-24 5018 Los Angeles along Big Pines highway toward Valyermo. East slope of the San Gabriel Mts., Angeles National Forest 1249 Comment
  RSA578114  Phoradendron bolleanum var. densum Tim S. Ross, Steve D. Boyd 1994-9-20 8230 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  RSA420807  Phoradendron macrophyllum Albert J. Perkins 1919-4-30 s.n. Los Angeles Big Rock Creek, Antelope Valley. Comment
  UC1194622  Phoradendron macrophyllum Del Wiens 1958-12-10 2428 Los Angeles n. Claremont (mouth of Cobal Canyon) 426 Comment
  CAS-BOT-BC452033  Phyllospadix torreyi Robert F. Thorne 1970-3-5 39369 Los Angeles Santa Catalina Island: Catalina Harbor at Isthmus 0 Comment
  RSA636109  Phyllospadix torreyi Robert F. Thorne 1974-9-13 45093 Los Angeles Santa Catalina Island: Inner shore of Catalina Harbor. Comment
  RSA683982  Phyllospadix torreyi E. Yale Dawson 1948-8-29 5395 Los Angeles Rocky Point, Malaga Cove. Comment
  POM16373  Physalis philadelphica E. S. Spalding 1922-12-1 s.n. Los Angeles Near Glendale. Comment
  RSA472036  Picris echioides G. J. Hollenberg 1928-7-24 s.n. Los Angeles Near Del Rey Palisades to Sand dunes Comment
  RSA384303  Pinus contorta Aloys Nicholson 1933-5-7 s.n. Los Angeles Malibu Canyon, Santa Monica Mountains. Comment
  RSA17555  Pinus coulteri C. B. Wolf 1936-5-27 7847 Los Angeles Aliso Canyon to Buckhorn Flats Road, just below Tie camp 1311 Comment
  SD252215  Pinus halepensis Steven A. Junak 2000-10-14 Sca 1418 Los Angeles Santa Catalina Island: W flank of Black Jack Peak, above road to summit of peak, overlooking Black Jack Bampground. 527 Comment
  NY61549  Pinus halepensis C. Dziekanowski 1976-7-20 2413 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA250447  Pinus jeffreyi Robert F. Thorne, J. Dourley 1967-10-3 37291 Los Angeles Mt. Baden Powell, just south of peak 2851 Comment
  RSA384364  Pinus monophylla George R. Johnstone 1928-03 s.n. Los Angeles Near Little Rock, Mojave Desert Comment
  CAS-BOT-BC79012  Pinus ponderosa Joseph Andorfer Ewan 1932-5-29 7218 Los Angeles on summit Mount Gleason, San Gabriel Mts. 1889 Comment
  SBBG128260  Piptatherum miliaceum M. L. Hoefs, S. A. Junak, K. Kirkland 1999-7-15 3060 Los Angeles lower Bulrush Cyn 262 Comment
  CATA2200  Pittosporum tobira Sara L. Crockett 1997-3-7 80 Los Angeles Santa Catalina Island: House on SE corner of Beacon and Clemente Streets 21 Comment
  RSA593451  Plagiobothrys arizonicus Steve Boyd 1996-4-24 8652 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  CATA1729  Plagiobothrys canescens Mark L. Hoefs, Steven A. Junak 2000-4-14 3076 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor 469 Comment
  RSA533952  Plagiobothrys collinus var. gracilis Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5214 Los Angeles San Clemente Island: 1300ft NNW of Guds (888 ) marker. 241 Comment
  OBI70480  Plagiobothrys leptocladus David J. Keil 1992-4-24 s.n. Los Angeles Outskirts of Lancaster along Ave. 1 700 Comment
  LA34800  Plagiobothrys nothofulvus Kei Nakai; Frank Almeda 1976-4-5 TCSP 9 9 76 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, in horse pasture next to pond, near the telescope mount 365 Comment
  UC1971215  Plagiobothrys nothofulvus Louis C. Wheeler 1969-5-3 Los Angeles SAN GABRIEL MOUNTAINS: Bluebird truck trail. Comment
  OBI43717  Plantago arenaria A. C. Sanders, 1986-7-30 6814 Los Angeles El Segundo Dunes, immed W of LA International Airport and Pershing dr, E of Vista Del Mar Blvd 30 Comment
  RSA190988  Plantago erecta Robert F. Thorne, D. Propst, R. Carolin, R. C. Rollins 1967-3-18 36731 Los Angeles Catalina Island. Salta Verde, appox. N of Salta Verde Point 244 Comment
  RSA401964A  Plantago erecta Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SD69599  Plantago erecta Robert F. Thorne, P. Everett 1965-5-10 34512 Los Angeles Near upper end of Gallagher Canyon; Santa Catalina Island Comment
  UC147002  Plantago erecta C. F. Baker 1909-3-29 5255 Los Angeles Claremont Comment
  UCSB40615  Plantago erecta Reisentz, Paul 1977-4-24 Los Angeles Twin Falls Reserve; 2 miles east on Stuart Road from Mulholland Highway Comment
  CATA1416  Plantago major Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1995-11-11 2570 Los Angeles Santa Catalina Island: Lower Descanso Canyon, just above Descanso Beach 6 Comment
  RSA382863  Platanthera leucostachys Louis E. Hoffman 1932-8-14 s.n. Los Angeles Mt. Islip, Angeles National Forest. 2439 Comment
  UCR190047  Platanthera sparsiflora R. G. Swinney 1998-10-3 7004 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  UC1280002  Platanus racemosa Peter H. Raven 1957-9-21 11365 Los Angeles 2.3 mi above U.S. 101A; Santa Monica Mountains, Topanga Canyon Comment
  UCD15670  Platanus racemosa Anne B. Overturf 1989-5-28 22 Los Angeles Eaton Canyon. 365 Comment
  RSA445742  Platystemon californicus var. californicus Ralph Hoffmann 1931-5-3 s.n. Los Angeles Western edge of Antelope Valley, 3 miles east of Elizabeth Lake. Comment
  POM21359  Pluchea odorata Fordyce Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom, near Los Angeles. Comment
  RSA472107  Pluchea odorata L. C. Wheeler 1932-8-28 1305 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  IRVC29044  Pluchea sericea A. C. Sanders, Mark Elvin 2002-6-25 25276 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
  SDSU2781  Poa annua Gerald Collier 1951-5-10 M 54 Los Angeles 11618 Mayfield Ave., L.A. 49. in lawn. Comment
  UCR271827  Poa bulbosa subsp. vivipara R. G. Swinney 2011-6-23 15308 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
  UCD91815  Poa pratensis D. Barr 1950-4-27 s.n. Los Angeles Pasadena. Comment
  POM1238  Poa secunda B. Sanford 1912-05 s.n. Los Angeles Claremont Comment
  RSA0098775  Poa secunda Richard G. Swinney 2011-7-8 15515 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  RSA592256  Poa secunda L. C. Wheeler 1967-5-12 9470 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA598865  Poa secunda Steve Boyd, Timothy S. Ross 1997-3-21 9242 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1194 Comment
  CAS-BOT-BC236205  Poa secunda subsp. secunda L. R. A. 1901-4-1 1262 Los Angeles Santa Monica Mountains Comment
  POM18163  Polycarpon depressum P. A. Munz 1923-3-14 6594 Los Angeles 2 miles north of Claremont. 427 Comment
  SD113386  Polycarpon tetraphyllum Darley F. Howe 1956-5-19 2539 Los Angeles Lawn at University of California Los Angeles. Comment
  RSA755928  Polygonum arenastrum Orlando Mistretta, Christine Mistretta 2008-4-10 2410 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct. (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  SEINET3245953  Polygonum aviculare R. G. Swinney 2009-1 11473 Los Angeles Transverse Range; San Gabriel Mtns. :Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. (Mescal Creek 7.5') 2060 Comment
  RSA464414  Polygonum aviculare subsp. aviculare F. R. Fosberg 1930-6-26 S- 3035 Los Angeles Lower Ballona Creek. 10 Comment
  RSA65870  Polygonum hydropiperoides var. asperifolium F. W. Peirson 1923-1-21 1792 Los Angeles Pond north of East Lake Park, Los Angeles. Comment
  UCR197088  Polygonum persicaria LeRoy Gross 2007-5-16 2742 Los Angeles Transverse Range; Verdugo Mountains, southern side of the range, near debris basin by Bel Aire Park, ortheast of the intersection of Bel Aire Drive and Cambridge Drive 273 Comment
  CAS-BOT-BC71880  Polypodium californicum Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena Comment
  RSA689902  Polypodium californicum H. L. Bauer 1931-3-1 s.n. Los Angeles Tunas Canyon near Topanga Canyon. Comment
  UCSB62465  Polypodium californicum Kendall, M. 1921-1-30 Los Angeles San Jose Hills Comment
  UCSB62756  Polypodium californicum Kiefer, Lawrence 1962-12-24 Los Angeles Santa Monica Mtns., Topanga Canyon 152 Comment
  RSA160493  Polypodium californicum Robert M. Lloyd 1962-1-17 573 Los Angeles c. 150 meters up Evey Canyon from Mt. Baldy Highway. San Gabriel Mountains, c. 5 miles NE of Claremont. Comment
  UCR194264  Polypogon interruptus R. G. Swinney 1998-8-5 6652 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  RSA600146  Polypogon maritimus Steve Boyd, Lauren Raz 1997-5-6 9737 B Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  SBBG17191  Polypogon monspeliensis M. Vincent 1962-5-4 270 Los Angeles Malibu Beach lagoon at Malibu Comment
  UCD91250  Polypogon monspeliensis Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  RSA582048  Polypogon viridis L. C. Wheeler 1933-12-24 2335 Los Angeles San Dimas Canyon Dam, San Gabriel Mountains 427 Comment
  SDSU1628  Polystichum imbricans subsp. curtum Gerald Collier 1951-5-5 M 3 Los Angeles About 5 miles north of Santa Anita Dam. Comment
  RSA587120  Polystichum imbricans subsp. imbricans Orlando Mistretta 1995-5-23 1727 A Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1372 Comment
  RSA693288  Polystichum imbricans subsp. imbricans L. E. Hoffman 1930-5-12 s.n. Los Angeles Millard's Canyon. Angeles National Forest. Comment
  RSA444308  Populus balsamifera subsp. trichocarpa Walter Wisura 1988-2-3 4179 Los Angeles San Antonio Canyon below the tunnels. Comment
  LA208528  Populus fremontii subsp. fremontii K. Larson; J. Neel 1950-4-29 43 -b Los Angeles 5 mi. S of Lake Hughes Comment
  UC147931  Populus fremontii subsp. fremontii C. F. Baker 1909-5-15 5347 Los Angeles San Antonio Canyon Claremont (Claremont); , San Antonio Canyon Comment
  UC433166  Populus trichocarpa I. Johnston 1917-7-3 1447 Los Angeles Upper San Antonio Canyon 2286 Comment
  LA211143  Populus trichocarpa Arthur C. Gibson; 2010-4-7 5309 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, on the northern side of creek just east Malibu Creek, Piuma Rd. Comment
  CAS-BOT-BC445230  Portulaca oleracea Peter H. Raven 1957-9-21 11333 Los Angeles At n.w. end of U.C.L.A. campus, Los Angeles Comment
  CAS-BOT-BC453945  Potamogeton pectinatus Robert F. Thorne; M. Z. Thorne 1966-8-29 36579 Los Angeles San Gabriel Mts., Angeles National Forest: Crystal Lake Recreation Area, shallow water (to 2 or 3 m) of Crystal Lake at upper end of canyon of N Fork of San Gabriel River 1676 Comment
  UCR206447  Potentilla glandulosa R. G. Swinney 2008-6-9 9010 Los Angeles San Gabriel Mtns., middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail 1585 Comment
  RSA85732  Potentilla gracilis var. fastigiata F. W. Peirson 1922-7-5 3165 Los Angeles Big Pines Meadow, north side of San Gabriel Mountains 2073 Comment
  SEINET10628877  Prunus domestica Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3884 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  UC1128363  Prunus fasciculata A. Lewis 1933-4-23 191 Los Angeles 3 mi sw of Del Sur 1005 Comment
  PASA1183  Prunus ilicifolia Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  UCR95538  Prunus ilicifolia L. C. Wheeler 1967-5-2 9274 Los Angeles Liebre Mtns, N side foothills, c. 0.3 mi. west of Los Angeles Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles Co. firearms closure map 396 Comment
  RSA454132  Prunus ilicifolia subsp. ilicifolia Unspecified 1965-6-16 s.n. Los Angeles Cattle Canyon, above Azusa. Comment
  POM11573  Prunus virginiana var. demissa Philip A. Munz 1921-6-18 4579 Los Angeles Sawmill, Swartout [Swarthout] Valley. 2073 Comment
  RSA573713  Prunus virginiana var. demissa Tim S. Ross 1990-8-17 3133 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  SD90449  Pseudognaphalium biolettii Robert F. Thorne, M. Z. Thorne 1973-2-12 42467 Los Angeles Santa Catalina Island; north of Marine Science Station at Fishermen's Cove 45 Comment
  CAS-BOT-BC356570  Pseudognaphalium biolettii Huron H. Smith 1912-6-1 5073 Los Angeles Avalon Canyon, Santa Catalina Isl. 38 Comment
  UCD135039  Pseudognaphalium biolettii F. H. Elmore 18-19 Feb 1939 407 Los Angeles San Clemente Island. Comment
  UC1211005  Pseudognaphalium californicum Huron H. Smith 1912-5-1 4882 Los Angeles Eagle Rock Valley 152 Comment
  UC1211119  Pseudognaphalium californicum Huron H. Smith 1912-6-1 5074 Los Angeles Avalon Canyon Santa Catalina Island, Avalon Canyon 38 Comment
  UC1595459  Pseudognaphalium californicum Tim Ross 1992-4-27 6238 Los Angeles sw of RSA grounds (s side of Indian Mesa Hill, area bulldozed in November 1992 for expansion of the Claremont School of Theology, Ontario USGS 7.5 ft quadrangle); Claremont, Indian Mesa Hill 393 Comment
  CAS-BOT-BC357294  Pseudognaphalium microcephalum Peter H. Raven 1958-9-28 13738 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Elysian Park 213 Comment
  UC468797  Pseudognaphalium ramosissimum C. F. Millspaugh 1920-1-12 4571 Los Angeles Middle Ranch Canyon Santa Catalina Island, Middle Ranch Canyon Comment
  RSA529212  Pseudotsuga macrocarpa T. S. Ross, Steve Boyd 1991-7-24 5655 Los Angeles Granite Mountain 1982 Comment
  SEINET4690440 Image available Psidium montanum L. R. Landrum 2014-5-21 12045 Los Angeles Huntington Botanical Garden 30 Comment
  POM214590  Psilocarphus brevissimus L. C. Wheeler 1934-3-31 2493 Los Angeles La Verne 305 Comment
  LA4202  Pteridium aquilinum var. pubescens J. A. Ewan; 1929-11-11 3445 Los Angeles SANTA MONICA MOUNTAINS, Nichols Canyon Comment
  RSA641207  Pteridium aquilinum var. pubescens L. C. Wheeler 1967-7-6 9931 Los Angeles San Gabriel Mountains: San Dimas Canyon 518 Comment
  RSA690872  Pteridium aquilinum var. pubescens L. E. Hoffman 1931-12-2 s.n. Los Angeles Fern Canyon ,Angeles Forest, Los Angeles County, Cool Canyon Comment
  CAS-BOT-BC421209  Pterostegia drymarioides Steven A. Junak 1997-3-7 SCI- 736 Los Angeles California Islands. San Clemente Island: E side of island, just E of Camera Pad Horton 3, on W side of Twin Dams Canyon 411 Comment
  SBBG133397  Pterostegia drymarioides S. McDonough, J. Lambert 2008-3-25 Bot 45 -05 Los Angeles E slope of Jack Nots Cyn 210 Comment
  UCR270973  Pterostegia drymarioides R. G. Swinney 2011-4-28 14551 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  CAS-BOT-BC421196  Pterostegia drymarioides Reid Moran 1941-2-17 576 Los Angeles East slope of arroyo, Middle Ranch, San Clemente Island. Comment
  RSA251463  Pterostegia drymarioides Robert F. Thorne 1973-4-11 42826 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  SD84768  Pterostegia drymarioides Reid Moran 1941-2-17 576 Los Angeles San Clemente Island, crevices among rocks, Middle Ranch 500 Comment
  UCR149775  Purshia glandulosa Scott D. White, Michael Honer 2004-3-30 9974 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  UCR265947  Purshia glandulosa Orlando Mistretta, Christine Mistretta 2005-4-21 2061 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  RSA0080554  Pyrola dentata R. F. Thorne 1971-8-25 41287 Los Angeles Along trail from Windy Gap to Mt. Hawkins. 2439 Comment
  CAS-BOT-BC45784  Quercus Marcus E. Jones 1923-10-10 s.n. Los Angeles Cajon Pass Comment
  CAS-BOT-BC45792  Quercus George B. Grant; Walter Wheeler 1904-4-21 6137 Los Angeles Santa Catalina Island Pacific Ocean of Southern California, at Eagle nest Comment
  UC1870287  Quercus LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1079 Los Angeles Transverse Ranges; Verdugo Mountains region: N side of mountains: S of Hostetter Motorway (On thomas guide) just off La Tuna Canyon Rooad, S of and you can see the 210 freeway. 555 Comment
  UC848120  Quercus I. W. Clokey 1930-9-11 5327 Los Angeles Laurel St., South Pasadnea South Pasadena Comment
  UC1093906  Quercus X alvordiana Herbert L. Mason 1927-5-20 3737 a Los Angeles Tejon Pass Sierra Liebre Mountains Comment
  SBBG95269  Quercus X macdonaldii M. B. Dunkle 1928-10-9 2003 Los Angeles Middle Ranch Cyn Comment
  SFV867  Quercus agrifolia P. G. Kilburn 1958-2-23 620 Los Angeles Santa Susana Mountains Oat Mountain. North slope of mountain near crest. 950 Comment
  RSA596502  Quercus agrifolia var. agrifolia Louis C. Wheeler 1966-11-19 9129 Los Angeles San Gabriel Mountains. Tunnel Bypass, 1/4 mi. upstream from Dutch Louie Camp, Pacoima Canyon. 716 Comment
  RSA754232  Quercus agrifolia var. agrifolia Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1778 Los Angeles San Gabriel River Watershed; Riparian area in Sycamore Canyon near gate 402 Comment
  LA97391  Quercus berberidifolia Kei Nakai; 1976-4-7 TCSP 4 4 76 Los Angeles 243 Comment
  RSA655463  Quercus berberidifolia LeRoy Gross 2000-11-12 332 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. 412 Comment
  SEINET234376  Quercus berberidifolia John Tucker 1948-9-26 1879 Los Angeles 11.4 mi W of Palmdale beside road to Elizabeth Lake Comment
  UC1135549  Quercus berberidifolia A. Lewis 1934-1-1 245 Los Angeles sw Anaverde Valley Angeles National Forest, Elizabeth Lake Quad. 1371 Comment
  UCR178223  Quercus berberidifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 280 Los Angeles Verdugo Mountains, Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  RSA476595  Quercus berberidifolia Alva Watry 1931-5-10 s.n. Los Angeles Rattlesnake Canyon 1067 Comment
  CAS-BOT-BC62364  Quercus chrysolepis Marcus E. Jones 1882-2-27 3035 Los Angeles Pasadena Comment
  JEPS38049  Quercus chrysolepis Ernest Braunton 1928-7-6 Los Angeles n of Monrovia; Santa Anita Canyon Comment
  UC1135395  Quercus chrysolepis A. D. Gifford 1935-3-26 508 Los Angeles 2.25 mi wnw Sawmill Peak; Angeles National Forest, Tejon Quad. 1432 Comment
  UCD45434  Quercus chrysolepis Donald R. Bissing 1973-6-2 121 Los Angeles Evey Canyon, San Gabriel Mountains. On canyon wall below road cut 0.7 mile from mouth of canyon. Alt. 2560 ft. 780 Comment
  LA99093  Quercus douglasii Mary V. Hood; 1945-6-25 45- 123 k* Los Angeles oak flat, Castiac Lake, Ridge Route 1219 Comment
  CAS-BOT-BC86381  Quercus dumosa Marcus E. Jones 1931-10-10 28587 Los Angeles San Antonio Canon Comment
  POM270186  Quercus durata var. gabrielensis Lyman Benson 1946-10-15 12204 Los Angeles South margin, 2 miles north of Claremont; San Gabriel Mt. 457 Comment
  RSA476761  Quercus durata var. gabrielensis Anstruther Davidson 1890-05 s.n. Los Angeles Glendale. Comment
  RSA635048  Quercus durata var. gabrielensis Valerie L. Soza, Kent Hughes 1999-6-17 555 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  RSA655366  Quercus durata var. gabrielensis LeRoy Gross 2000-11-12 328 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. 412 Comment
  RSA762246  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-19 3120 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 103 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 976 Comment
  CAS-BOT-BC94186  Quercus engelmannii Le Roy Abrams 1901-4-13 1490 Los Angeles Sierra Madre Comment
  RSA476786  Quercus engelmannii F. R. Fosberg 1931-1-7 7113 Los Angeles mouth of little Santa Anita Canyon, Sierra Madre 300 Comment
  UC2026417  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
  RSA755984  Quercus john-tuckeri Orlando Mistretta, Christine Mistretta 2008-4-12 2428 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
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Nov 27 2011
  LA46636  Quercus pacifica Joseph Dunlavy; 1934-5-4 4485 Los Angeles Santa Catalina Island, S side, near isthmus Comment
  UCR281775  Quercus pacifica Mitch Provance, Scott Duff 2017-6-29 617- 60 Los Angeles Catalina Island, Middle Canyon, SCE corridor, vicinity of Middle Ranch Rd., ENE of Thompson Dam 188 Comment
  RSA117369  Quercus tomentella Huron H. Smith 1912-6-19 5118 Los Angeles Cherry Canyon, Santa Catalina Island. 91 Comment
  RSA579572  Quercus wislizeni var. frutescens Tim S. Ross, Steve D. Boyd 1994-9-20 8245 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  RSA655350  Quercus wislizeni var. frutescens LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 292 Los Angeles Verdugo Mountains: Hostetter Mountainway. 915 Comment
  SD1078  Quercus wislizeni var. frutescens Fidella G. Woodcock Sep 1930 Los Angeles Mt. Lowe Comment
  SJSU16076  Quercus wislizeni var. frutescens Allen W. Jacobs 1938-8-9 388 Los Angeles 1/2 mile down the highway below Coldbrook R.S on the lower, right side of the road, against the slope 1066 Comment
  UCD135329  Rafinesquia californica Daryl Koutnik 1978-5-2 462 Los Angeles Bell canyon in the Simi Hills. 426 Comment
  UCD135334  Rafinesquia californica A. C. Sanders; Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26154 Los Angeles Western San Gabriel Mtns; Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. 488 Comment
  UCR126568  Rafinesquia californica A. C. Sanders, Andy Thomson 2003-4-15 25988 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR281315  Rafinesquia californica R. G. Swinney 2014-5-8 16443 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA399395  Ranunculus californicus George B. Grant 1902-06 1109 Los Angeles Lincoln Park, Los Angeles Comment
  RSA604695  Ranunculus hebecarpus Louis C. Wheeler 1965-5-16 8703 Los Angeles Liebre Mountain: Ravine S of Two Shay Ranch, Bouquet Canyon.. . Comment
  CATA1252  Raphanus raphanistrum Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2332 Los Angeles Santa Catalina Island: Catalina Harbor 3 Comment
  UCR241295  Rapistrum rugosum Chet McGaugh 2011-8-30 s.n. Los Angeles South Coast, Hesse Park, City of Rancho Palos Verdes, 29301 Hawthorne Blvd. at Locklenna Lane 274 Comment
  UCR108388  Rhamnus californica L. C. Wheeler 1961-6-13 7880 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA596486  Rhamnus californica subsp. californica Louis C. Wheeler 1967-5-24 9723 Los Angeles San Gabriel Mountains: Indian Canyon 793 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
  UC18519  Rhamnus californica subsp. californica J. H. Barber 1897-6-30 226 Los Angeles above Acton (Pierson's Mine); San Gabriel Mts., Aliso Canyon 1066 Comment
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Feb 20 2015
  CAS-BOT-BC56005  Rhamnus ilicifolia Alice Eastwood 1919-5-29 8955 Los Angeles San Gabriel Canyon Comment
  LA52144  Rhamnus ilicifolia Harlan Lewis; 1940-2-24 sn 1089 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA390837  Rhamnus ilicifolia Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon Comment
  RSA669157  Rhamnus ilicifolia LeRoy Gross, Naomi Fraga 2002-4-4 523 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road,, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 411 Comment
  RSA95294  Rhamnus ilicifolia F. W. Peirson 1918-6-18 287 Los Angeles Devils Punch Bowl, Rock Creek, north base of San Gabriel Mts. at 4000 ft. 1220 Comment
  CAS-BOT-BC360863  Rhamnus pirifolia Dr. Barton W. Evermann 1915-3-29 s.n. Los Angeles Santa Catalina Island Comment
  RSA167835  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-2-7 33471 Los Angeles Santa Catalina Island, lower end of Pebbly Beach, E end of island 76 Comment
  RSA213334  Rhamnus pirifolia Reid V. Moran 1941-2-2 608 Los Angeles Santa Catalina Island, Johnson's Valley 20 Comment
  RSA532831  Rhamnus tomentella subsp. cuspidata Tim S. Ross 1991-8-14 5783 Los Angeles San Gabriel Mtns: Pacifico Mtn. Rd., .48 mile E of Roundtop Truck Rd. 1915 Comment
  SEINET10359299 Image available Rhaphiolepis indica Unknown 2015-1 500 Los Angeles Santa Monica, CALIFORNIA. Los Angeles Co.: Santa Monica, bordering Loews Santa Monica Beach Hotel, near Ocean Ave. Comment
  SEINET10692947  Rhus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2500 Los Angeles City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd. 270 Comment
  RSA0080736  Rhus integrifolia R. G. Swinney 2010-4-23 12365 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA133245  Rhus integrifolia P. H. Raven 1959-5-3 14058 Los Angeles Santa Monica Mountains (34 N; 118-119 W). Mulholland Drive 0.5 miles east of Beverly Glen Boulevard. 381 Comment
  RSA251404  Rhus integrifolia R. F. Thorne 1966-4-17 36109 Los Angeles San Clemente Island: Large shrubs growing on steep S-facing canyon side near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 152 Comment
  UC635197  Rhus integrifolia H. L. Mason 1926-4-26 2943 Los Angeles Pacoima Wash, foothills of San Gabriel Mountains Comment
  POM137315  Rhus ovata C. F. Baker 1903-4-2 4147 Los Angeles Hills near Monrovia Comment
  RSA0086999  Rhus ovata R. G. Swinney 2010-3-30 12103 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA660440  Rhus ovata Orlando Mistretta 1992-6-17 579 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  RSA746829  Rhus ovata Justin M. Wood 2009-3-13 359 Los Angeles SW corner of Claremont Blvd and Foothill Blvd. Open space area on the campus of Pitzer College. 398 Comment
  UCR124619  Rhus ovata I. W. Clokey, B. C. Templeton 1929-1 4431 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA0038419  Rhus trilobata Lee Haines 1935-7-11 s.n. Los Angeles Big Dalton, San Gabriel Mts. Comment
  CAS-BOT-BC92279  Ribes amarum John Thomas Howell 1928-2-18 3351 Los Angeles Trail to Switzer's, Arroyo Seco, San Gabriel Mountains. Comment
  RSA476413  Ribes amarum T. S. Clare 1930-3-2 14609 Los Angeles Oak Wilde, Arroyo Seco. Comment
  RSA0091714  Ribes aureum var. gracillimum R. G. Swinney 2011-4-9 14387 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA639741  Ribes aureum var. gracillimum Louis C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Little Tujunga nameless side, 0.3 mile southwest of Herreres Ranch. 427 Comment
  SDSU21083  Ribes aureum var. gracillimum Ian Cain 2010-4-29 1392 Los Angeles North east of Montebello. Whitter Narrows County Reserve, 930 meters east south east of intersection of Durfee Avenue and Rosemead Blvd along bike path 65 Comment
  UCR62226  Ribes aureum var. gracillimum R. G. Swinney 1990-1-13 1511 Los Angeles San Gabriel Mtns, Glendora, 'South Hills'; west end on ridge top at 'South Hills Park 305 Comment
  RSA9723  Ribes aureum var. gracillimum Louis C. Wheeler 1932-5-26 763 Los Angeles San Gabriel Wash. 107 Comment
  CAS-BOT-BC93111  Ribes californicum var. hesperium Clarence R. Quick 1939-11-22 050 Los Angeles Collected in San Gabriel Canyon. Comment
  RSA162820  Ribes californicum var. hesperium J. D. Olmsted 1960-1-8 1092 Los Angeles San Dimas Canyon, 1/2 mile north of lower guaging station (bottom of Riparian Wdl.) 427 Comment
  LA200842  Ribes indecorum Harlan Lewis; 1940-9-4 1053 Los Angeles Santa Monica Mountains, Saddle Peak 609 Comment
  RSA84504  Ribes indecorum F. W. Peirson 1920-12-30 2341 Los Angeles San Gabriel River Wash at Foothill Blvd, West of Azusa. 137 Comment
  JEPS26547  Ribes malvaceum Peter Kamb 1948-2-29 787 Los Angeles ridge w Sheep Corral Canyon (n slope of the Verdugo Range); Verdugo Range 792 Comment
  SEINET13942621 Image available Ribes malvaceum Henry J. Thompson 1959-1 1848 Los Angeles Santa Monica mountains in chaparral along Saddle Peak Road, 2 miles east of peak. Saddle Peak 34 deg. 05' N, 118 deg. 39' W. elevation 2300 ft 701 Comment
  UCR205050  Ribes malvaceum R. G. Swinney 2008-3-31 8584 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  UC1952576  Ribes malvaceum var. malvaceum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island. Head of canyon, Mosquito Summit. Comment
  UCR277177  Ribes nevadense R. G. Swinney 2010-9-30 13947 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
  RSA652593  Ribes roezlii T. C. Thomas 1974-7-5 s.n. Los Angeles Vincent Gap, Hwy 2. 1768 Comment
  SBBG17033  Ribes speciosum K. A. Wilson 1961-3-10 959 Los Angeles Old Topanga Cyn Rd, ca. 1/4 mi W of Topanga Cyn Rd Comment
  SFV1621  Ribes speciosum C. Gasser 1956-3-9 s. n. Los Angeles Santa Monica Mountains Topanga Canyon Road, 1 mile from Highway 101. 300 Comment
  RSA1183  Ribes viburnifolium Johnson 1930-2-1 1464 Los Angeles Santa Catalina Island, Cherry valley, near Isthmus Harbor Comment
  RSA536040  Ricinus communis T. S. Ross 1991-5-22 5433 Los Angeles San Clemente Island: Lower Wilson Cove Canyon, just west of the dock activities. 12 Comment
  RSA598277  Ricinus communis R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. 0.4 mi. E of Glendora Mtn. Rd. 365 Comment
  SD143474  Rorippa nasturtium-aquaticum Robert F. Thorne, P. Everett 1965-5-10 34434 Los Angeles Cape Canyon, Santa Catalina Island. In stream bed 274 Comment
  RSA587031  Rosa californica Orlando Mistretta 1994-6-15 1353 A Los Angeles San Gabriel Mountains, Santiago Canyon. Side drainage entering Santiago Canyon from W, ca. 3 miles S of confluence of Santiago Creek and Little Rock Creek. 1280 Comment
  RSA482007  Rubus discolor Richard Noyes 1988-5-12 568 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  RSA723321  Rubus discolor LeRoy Gross, Sarah M. Siedschlag 2007-6-4 2778 Los Angeles Southern side of mountains. Along Mount Lukens Road (2N76.2). Short distance up road from the Angeles Crest Ranger Station. Road Survey for the National Forest. Near 771 Comment
  RSA0038714  Rubus leucodermis R. G. Swinney 2010-10-13 14030 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  CAS-BOT-BC158817  Rubus ursinus P. A. Munz 1919-5-4 2219 Los Angeles Laguna Canyon 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
  UCR271898  Rubus ursinus R. G. Swinney 2011-3-15 14069 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  RSA670421  Rubus ursinus var. ursinus I. W. Clokey, Bonnie C. Templeton 1929-04 4518 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  RSA466271B  Rumex conglomeratus Anstruther Davidson 1889-05 s.n. Los Angeles Los Angeles. Comment
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Nov 4 2007
  RSA11033  Rumex hymenosepalus Carl B. Wolf 1928-3-29 1595 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  POM244917  Rumex salicifolius F. R. Fosberg 1931-4-29 S 4708 Los Angeles Santa Catalina Island. Mouth of Cottonwood Canyon. 3 Comment
  POM160906  Ruta chalepensis Howard Stone 1928-6-1 s.n. Los Angeles Sierra Madre. Comment
  RSA578737  Salazaria mexicana Tim S. Ross, J. Mark Porter 1994-5-1 7595 Los Angeles Open desert ca. 1870m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  SBBG45787  Salicornia pacifica E. R. Blakley 1963-12-7 6363 Los Angeles mouth of Chenity Cyn, Pyramid Cove 1 Comment
  RSA187744  Salicornia virginica R. F. Thorne 1966-4-5 35878 Los Angeles Santa Catalina Island. Salina behind Little Harbor beach. 3 Comment
  RSA593470  Salix exigua Steve D. Boyd, Mike Wall 1996-5-16 8781 Los Angeles Liebre Mountains, confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain. 585 Comment
  RSA604990  Salix exigua Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  SBBG127475  Salix exigua M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-6 3019 Los Angeles Parson's Landing 4 Comment
  LA208647  Salix exigua var. hindsiana Carl Hedin; Joseph Ewan 1933-1-28 7639 Los Angeles San Fernando Valley, Los Angeles River, 400 m E of Radford Ave [Area 1] Comment
  RSA594585  Salix gooddingii Louis C. Wheeler 1967-5-2 9280 Los Angeles San Gabriel Mountains. North side foothills ca. 0.3 mi. west of LA Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles County firearms closure map. 396 Comment
  SBBG59057  Salix laevigata R. Hoffmann 1929-4-21 Los Angeles Harold Comment
  CAS-BOT-BC128135  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-2-4 2372 B Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  RSA9751  Salix lasiandra var. lasiandra Louis C. Wheeler 1932-3-10 460 Los Angeles Big Dalton Canyon, San Gabriel Mountains 427 Comment
  SBBG57874  Salix lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles top of grade between Calabasas and Agoura 285 Comment
  SBBG57884  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Topanga Cyn 225 Comment
  SD124467  Salix lasiolepis Barry Prigge 1986-3-20 6953 Los Angeles Santa Monica Mountains; Triunfo Canyon. Kanan Road and Triunfo Creek 235 Comment
  UC482212  Salix lasiolepis Carl W. Sharsmith 1931-11-15 3 Los Angeles at foot of coastal headland near mouth of Topanga Canyon; Santa Monica Mts., Topanga Canyon 15 Comment
  CAS-BOT-BC107545  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-2-14 9 Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  CATA3194  Salsola Julia Parish, Amy Catalano 2016-9-22 011 Los Angeles Santa Catalina Island: East side of Isthmus Rd., about 0.45 miles WSW of Empire Quarry and 0.45 miles ESE of USC WIES 217 Comment
  RSA608298  Salsola gobicola L. C. Wheeler 1946-8-29 6323 Los Angeles San Gabriel Mountains: North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout. 2560 Comment
  RSA586473  Salsola tragus Orlando Mistretta 1995-6-21 1822 Los Angeles San Gabriel Mountains: Emma section, lower Little Rock Creek drainage. Along road near Guard Station. 960 Comment
  RSA595791  Salsola tragus Steve Boyd, Lauren Raz 1996-10-8 9024 Los Angeles Liebre Mountains region, rugged hills at eastern edge of Bouquet Canyon, south of Vasquez Canyon and northwest of Cruzan Mesa, along Vasquez Canyon Road, ca. 0.9 miles east of junction with Bouquet Canyon Road. 524 Comment
  CAS-BOT-BC180703  Salsola tragus John Thomas Howell 1952-10-26 28876 Los Angeles Vacant lot, Palmdale Comment
  CDA23509  Salsola tragus R. E. Riefner Jr. 2007-5-12 07 -197 Los Angeles City of Santa Clarita, near Lyons Avenue and Avenue Dorena. Comment
  RSA722085  Salsola tragus R. E. Riefner 2007-2-11 7 -50 Los Angeles City of Santa Fe Springs, near Alondra St. and Carmentia St., S of Firestone Blvd. 99 Comment
  UCR62348  Saltugilia australis Jeri Hirshberg, Theo Glenn 1990-5-12 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest; north of Oak Spring Canyon amd west of Pole Canyon, south of military reservation at mouth of Pole Canyon, where it joins Soledad Canyon 917 Comment
  UCR270035  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-21 15547 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  RSA469653  Saltugilia splendens subsp. grantii M. B. Dunkle 1933-7-11 3652 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  RSA0105010  Salvia apiana R. G. Swinney 2011-4-26 14518 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA145144  Salvia apiana Alice Ann Webb 1961-2-9 770 Los Angeles Mills Ave and Base Line, SW corner, Claremont. Mountain Range-San Gabriel, Drainage Area-San Gabriel. 396 Comment
  RSA145221  Salvia apiana Alice Ann Webb 1961-2-9 767 Los Angeles Johnson's Pasture, Claremont, Mt. Range - San Gabriel. 457 Comment
  RSA167847  Salvia apiana Robert F. Thorne, P. C. Everett 1964-2-7 33482 Los Angeles Middle Canyon, Santa Catalina Island 244 Comment
  RSA424336  Salvia apiana William Emboden 1970-6-12 18 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UCR178085  Salvia apiana LeRoy Gross, Valerie Soza 2001-5-31 390 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon 457 Comment
  RSA0048527  Salvia carduacea Bruce Haines 1962-4-14 96 Los Angeles At junction of Oasis Road and Palmdale Road, 25 miles west of Victorville. 1097 Comment
  LA36002  Salvia columbariae Peter H. Raven; 1960-5-21 15408 Los Angeles Santa Monica Mountains, La Sierra Canyon, Seminole Hot Springs 274 Comment
  UC883890  Salvia columbariae Ira W. Clokey, B. Templeton Apr 1929 4495 Los Angeles Mandeville Canyon; Santa Monica Mountains 350 Comment
  UCR213381  Salvia columbariae Dan S. Cooper 2010-3-29 20100312- 18 B Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  POM4084A  Salvia dorrii var. pilosa Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Desert Flats 915 Comment
  RSA776323  Salvia dorrii var. pilosa R. G. Swinney 2009-4-29 10612 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  SEINET5029996  Salvia leucophylla Unknown 1995-3-31 1308 Los Angeles Los Angeles National Forest. 5 km E of Castaic, along USFS Rd. 5N17 Comment
  UCR215135  Salvia leucophylla Sarah C. Pasquini 2008-4-19 23 Los Angeles South Coast, San Pedro, White Point Nature Preserve, c. 300 m off West Paseo del Mar 40 Comment
  UCR23292  Salvia leucophylla Kate Kramer 1981-5-31 54 Los Angeles Malibu Beach 7.5' Q., Malibu Creek State Park. 2 mi west of Las Virgenes & Mulholland Hwy intersection on Mulholland Hwy 275 Comment
  LA82008  Salvia mellifera Carl Epling; Lincoln Ellison 1929-8-27 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA99221  Salvia mellifera R. L. Armacost; 1960-6-9 Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  POM8251  Salvia mellifera P. A. Munz, R. D. Harwood 1920-5-15 3930 Los Angeles [Coldwater] Canyon 305 Comment
  RSA0087042  Salvia mellifera R. G. Swinney 2010-3-13 11874 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  UCR195297  Salvia mellifera Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1181 Los Angeles Transverse Ranges: Verdugo Mountains Region, western mouth of La Tuna Canyon, north side of La Tuna Canyon, trail from Tuxford Street and Ledge Avenue to ridgetop, north of McDonald Creek 396 Comment
  RSA144753  Salvia mellifera N. Nicholson 788 Los Angeles No locality information specified on label Comment
  UC170392  Salvia spathacea H. M. Hall 1902-5-9 3250 Los Angeles San Fernando Pass at head of San Fernando Valley Comment
Read comments
May 19 2016
  UCD125616  Salvia spathacea Daryl Koutnik 1978-4-14 361 Los Angeles on north-facing slop; Simi Hills at W end of Devonshire Blvd. 365 Comment
  UCR19530  Salvia spathacea H. L. Bauer 1931-3-1 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon 366 Comment
  CHSC8354  Sambucus mexicana Edward L. Smith 1958-5-19 463 Los Angeles Located in a wash at Pomona College, Claremont. San Gabriel Mts. 365 Comment
  CAS-BOT-BC238723  Sambucus nigra subsp. caerulea John I. Carlson 1918-4-26 s.n. Los Angeles Griffith Park Comment
  UCR277024  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-25 12910 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  POM155858  Sanicula arguta M. B. Dunkle 1928-4-11 1849 Los Angeles Santa Catalina Island, Howlands Landing. 15 Comment
  POM50239  Sanicula arguta L. W. Nuttall 1921-2-8 1079 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  UCR204450  Sanicula bipinnatifida R. G. Swinney 2005-4-15 8220 Los Angeles San Gabriel Mtns., Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 351 Comment
  SD252269  Sanicula crassicaulis Steven A. Junak 1999-5-21 Sca 987 Los Angeles Santa Catalina Island: W side of Coffee Pot Canyon, just upstream from road crossing, adjacent to creekbed; 410 Comment
  RSA97372  Sanicula tuberosa F. W. Peirson 1920-6-10 2796 Los Angeles below Inspiration Point, Mt. Lowe 1341 Comment
  UCR219917  Sarcostemma cynanchoides R. G. Swinney 2009-4-17 10397 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  LA201027  Sarcostemma cynanchoides subsp. hartwegii Carl Wishner; 1996-8-21 2404 1 Los Angeles Santa Monica Mountains, Cahuenga Pass, ridge E of Mulholland terminus and W of Hollywood Reservoir 213 Comment
  RSA445302  Satureja mimuloides Geo. L. Moxley 1915-7-24 437 Los Angeles Arroyo Seco Canyon, about 1/2 mile above Oak Wild Camp. Comment
  RSA602449  Schedonorus arundinaceus Scott D. White 1997-5-14 5132 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  CAS-BOT-BC239929  Schismus arabicus J. Von Loh 1978-7-11 3376 Los Angeles Edwards AFB Comment
  RSA802049  Schismus arabicus Orlando Mistretta, Kristie Haydu 2011-7-20 5958 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  UCR216889  Schismus barbatus R. G. Swinney 2009-2-20 10034 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  CAS-BOT-BC111388  Schoenoplectus acutus var. occidentalis Timothy S. Ross; Steve Boyd 1994-5-24 7840 Los Angeles Cottonwood Swamp, Confluence of San Francisquito Canyon stream 515 Comment
  RSA365980  Scirpus acutus var. occidentalis Wm Martin 1971-8-11 s.n. Los Angeles Along drainage of Malibu Creek, vicinity of Tapia Park Comment
  UC57094  Scirpus maritimus Ernest Braunton Sep 1902 677 Los Angeles Los Angeles Comment
  JEPS79982  Scirpus microcarpus C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-5-13 4618 Los Angeles Bouquet Canyon Bouquet Canyon (marsh) 450 Comment
  POM1413  Scirpus microcarpus I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 61 Comment
  RSA425191  Scrophularia californica subsp. californica Douglas Bothwell 1934-5-1 s.n. Los Angeles Along gulch and low on hillside (shady exposure) Verdugo Woodlands Comment
  CDA18801  Scrophularia peregrina S. Schoenig 2000-4-14 00 -01 Los Angeles Rancho Santa Ana Botanical Gardens, Claremont. 0 Comment
  SBBG95232  Scrophularia villosa M. B. Dunkle 1928-4-13 1865 Los Angeles Renton Mine Rd Comment
  RSA729820  Scutellaria siphocampyloides R. G. Swinney 1998-7-6 6275 Los Angeles San Gabriel Mtns.: Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  RSA747171  Scutellaria siphocampyloides Orlando Mistretta 1992-6-23 607 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  UCR95263  Scutellaria tuberosa L. C. Wheeler 1967-5-7 9283 Los Angeles San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir 625 Comment
  CAS-BOT-BC240058  Secale cereale John H. Thomas 1957-5-17 6764 Los Angeles Occidental College Campus, Los Angeles. Near Moore Laboratory Comment
  LA209615  Selaginella asprella Lawrence L. Kiefer; 1963-7-4 586 Los Angeles San Gabriel Mountains, San Antonio Canyon, ravine off main road, above Icehouse Canyon 1737 Comment
  POM946  Selaginella asprella Ivan M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canon 1753 Comment
  LA200017  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-26 1787 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Decker School Road. 304 Comment
  LA200018  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-20 1749 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 0.5 mi below Fernwood. 213 Comment
  UC813042  Selaginella bigelovii Marcus E. Jones, A. M. 1882-2-25 3023 Los Angeles Pasadena Comment
  RSA683745  Selaginella bigelovii Meryl B. Dunkle 1939-4-3 7228 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA472894  Senecio californicus Frances M. Morey 1922-4-14 s.n. Los Angeles Culver City. Comment
  RSA94562  Senecio californicus F. W. Peirson 1919-3-30 347 Los Angeles Big Tujunga Canyon, west end of San Gabriel Mountains. 412 Comment
  RSA653516  Senecio flaccidus var. douglasii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 279 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  UCSB28765  Senecio flaccidus var. douglasii Tanowitz, Barry 1974-6-30 Los Angeles On Beverly Glen Blvd approximately 0.5 mi south of its junction with Mullholland Dr. (Brown Cyn.) 365 Comment
  SEINET11807273  Senecio flaccidus var. monoensis W. Knight, Knight, I.; Vale, J. 1985-1 5201 Los Angeles near Lebec along frontage road to Gorman Comment
  UCR182724  Senecio ionophyllus R. G. Swinney 1997-7-23 5738 Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  SBBG43850  Senecio lyonii M. R. Benedict 1971-6-27 Los Angeles NW tip of San Clemente Island Comment
  UC557678  Senecio lyonii Nell Murbarger 1936-3-1 29 Los Angeles San Clemente Island Comment
  UC91406  Senecio lyonii T. S. Brandegee 1890-5-20 Los Angeles Santa Catalina Island Comment
  UCR97790  Senecio mikanioides Scott D. White 1997-3-12 4737 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA604525  Senecio mikanioides Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2556 Los Angeles Santa Catalina Island; beach at empire landing. 3 Comment
  JEPS30510  Senecio vulgaris Donald Kyhos 1958-3-21 58 -28 Los Angeles East Whittier Comment
  RSA594796  Sesuvium verrucosum Steve Boyd, Lauren Raz 1996-10-29 9098 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 999 Comment
  UCR127378  Setaria adhaerens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25553 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  CAS-BOT-BC243538  Setaria italica unspecified 1916-8-1 s.n. Los Angeles unspecified Comment
  RSA509613  Setaria parviflora L. C. Wheeler 1966-10-25 9072 Los Angeles 1/4 mile N of El Encanto, San Gabriel Canyon. Comment
  POM293782  Setaria viridis Lyman Benson 1946-10-14 12271 Los Angeles Claremont. 351 Comment
  UC1215193  Silene antirrhina Peter H. Raven 1962-5-8 17637 Los Angeles 2.4 mi due s Wilson Cove (w side San Clemente Island); , s of Wilson Cove 137 Comment
  RSA655935  Silene gallica James Henrickson 2000-4-15 20680 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  SBBG71626  Silene gallica M. N. Ackley -Mar-1927 76 Los Angeles Baldwin Hills 91 Comment
  UCR71327  Silene gallica Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4436 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  UCSB45457  Silene laciniata subsp. laciniata Batson, J. 1979-5-25 Los Angeles 15 miles southwest of junction of Highway 101 and Westlake Boulevard, on Highway 23 609 Comment
  UCR280675  Silene laciniata subsp. major R. G. Swinney 2014-5-21 16603 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA135198  Silene multinervia Peter H. Raven, Henry J. Thompson 1960-5-16 15385 Los Angeles Along fire break in coastal sage association, ridge east of Temescal Canyon. 244 Comment
  RSA529179  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd 1991-7-24 5618 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  POM18117  Silene verecunda subsp. platyota P. A. Munz 1941-11-13 6842 Los Angeles Vincent gulch 1981 Comment
  SD87664  Silene verecunda subsp. platyota F. W. Peirson 1920-9-15 2284 Los Angeles North slope Baldy. 2820 Comment
  UCR3358  Silybum marianum H. M. Whistler 1964-4-11 640411- 03 Los Angeles San Gabriel Valley, Side of road to Puddingstone Reservoir State Park, 0.3 mi from San Dimas City limit 244 Comment
  RSA719130  Silybum marianum Naomi Fraga 2001-5-27 50 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. UTM: 3768679N 423253E. Comment
  RSA724766  Sisymbrium altissimum K. Dobry 1991-4-22 d- 392 Los Angeles West San Gabriel Mts. at Elsmere Cyn Comment
  UCR259243  Sisymbrium irio R. G. Swinney 2010-3-14 11899 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  RSA431749  Sisymbrium officinale Donald R. Bissing 1973-6-2 139 Los Angeles Evey Canyon, 0.2 mile from mouth of canyon 713 Comment
  RSA0078380  Sisymbrium orientale R. G. Swinney 2010-4-23 12329 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR193688  Sisymbrium orientale R. G. Swinney, Dave Larson 1999-5-29 7222 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  RSA228974  Sisyrinchium bellum Robert F. Thorne 1971-8-25 41325 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  RSA305708  Sisyrinchium bellum Mark Hoefs, Doug Propst 1973-5-4 262 Los Angeles Santa Catalina Island: above and east of camp at Emerald Cove 30 Comment
  UC845129  Sisyrinchium bellum I. W. Clokey, E. G. Anderson 1935-5-9 6559 Los Angeles Puddingstone Reservoir Comment
  RSA276036  Sisyrinchium bellum Jack Delaini, Ken Zakar 1974-4-30 148 Los Angeles Lodi Canyon, San Dimas Experimental Forest 854 Comment
  RSA603396  Sisyrinchium bellum Louis C. Wheeler 1975-5-13 s.n. Los Angeles San Gabriel Mountains: Head of East Fork Little Tujunga. Comment
  RSA0036981  Solanum douglasii R. G. Swinney 2010-5-29 13400 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA422391  Solanum douglasii T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  POM306262  Solanum douglasii Henry J. Ramsey, Henry J. Ramsey 1938-1-1 1416 Los Angeles Eaton Canyon Park, Altadena Comment
  RSA422407  Solanum douglasii Earl De Gowin 1936-5-17 s.n. Los Angeles Lookout Mountain Comment
  SEINET7262322 Image available Solanum elaeagnifolium J. A. Ewan 1932-1 680 Los Angeles West Los Angeles Comment
  RSA0020077  Solanum marginatum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37030 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UC456216  Solanum physalifolium var. nitidibaccatum I. J. Condit 1908-7-24 Los Angeles Compton Comment
  JEPS12139  Solanum umbelliferum I. W. Clokey, E. G. Anderson 1935-5-9 6879 Los Angeles San Dimas Canyon Comment
  POM296758  Solanum umbelliferum Lyman D. Benson 1945-5-11 11714 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  RSA0049930  Solanum umbelliferum R. G. Swinney 2010-3-10 11823 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
  UC66832  Solanum umbelliferum N. K. Berg 1904-4-14 Los Angeles Santa Monica Comment
  RSA115727  Solanum umbelliferum E. C. Twisselmann 1955-6-23 2210 Los Angeles Castaic Valley, 1/2 mile north of Holland Summit. 1220 Comment
  UCD127033  Solanum umbelliferum Kenneth A. Wilson 1961-3-14 1028 Los Angeles Santa Monica Mountains. Mulholland Hwy. 2 miles west of Sulphur Hot Springs. 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
  UCR165242  Solanum xanti A. C. Sanders, Helen Kennedy 2005-4-13 29484 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  LA32069  Solidago californica Peter H. Raven; 1959-9-28 13732 Los Angeles Santa Monica Mountains, Elysian Park 198 Comment
  RSA5441  Solidago confinis C. B. Wolf 1932-9-16 s.n. Los Angeles 100-150 feet west of State Highway at southeast corner of Pacific Western Oil Co. lease in 1705 acre portion. Bryant Ranch. 2 Comment
  JEPS30425  Solidago velutina subsp. californica Peter H. Raven 1959-10-16 14647 Los Angeles 0.8 mi s Boquet Canyon Guard Station (along stream); Boquet Canyon Comment
  CAS-BOT-BC365995  Sonchus asper M. B. Dunkle 1939-4-2 7209 Los Angeles Southeast point, San Clemente Island Comment
  RSA0069876  Sonchus oleraceus R. G. Swinney 2010-3-24 12091 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UC557677  Sonchus oleraceus Nell Murbarger 1936-3-1 110 Los Angeles San Clemente Island Comment
  CAS-BOT-BC374614  Sonchus oleraceus E. R. Blakley 1962-6-10 5259 Los Angeles San Clemente Island 15 Comment
  SD38305  Sonchus oleraceus Edith A. Purer 1932-3-24 Los Angeles El Segundo sand dunes. Comment
Read comments
Jul 10 2010
  SD30540  Sorghum halepense Frances Mc Cullock 1931-4-26 2010 Los Angeles Carson Blvd. near Long Beach, roadside Comment
  RSA0034982  Sorghum halepense P. R. Brown 1970-4-25 14 Los Angeles Amphitheater, Canon de Lana. [county not specified] Comment
  RSA611258  Sparganium erectum subsp. stoloniferum L. C. Wheeler 1946-9-22 6375 Los Angeles Rosemead Blvd. & San Gabriel Blvd. Comment
  UCR108378  Spergularia bocconi L. C. Wheeler 1970-6-9 s.n. Los Angeles Coastal Plain, San Pedro, Harbor Blvd, at 4th Street 3 Comment
  UC1594400  Spergularia bocconi Tim Ross 1992-4-14 6176 Los Angeles central e side of island near E escarpment (ca 90 m s of where Nanny Canyon drainage meets the sea); San Clemente Island 53 Comment
  RSA0098222  Spergularia macrotheca Larry E. DeBuhr, Gary D. Wallace 1972-9-2 691 Los Angeles San Clemente Island: at south end of the cove south of Eel Point. Comment
  SDSU20286  Spergularia macrotheca var. macrotheca Patrick McConnell 2003-4-7 25 Los Angeles Open plain south of China Point road, San Clemente Island. 85 Comment
  SFV16236  Spergularia macrotheca var. macrotheca J. D. Dilley 1996-4-13 62 Los Angeles California Channel Islands Santa Catalina Island. Wrigley Marine Research Center, near Twin Harbors. Comment
  CAS-BOT-BC390813  Spergularia marina Cecil Hart 1927-3-22 s.n. Los Angeles Montebello, Los Angeles Comment
  UCR190250  Spergularia rubra R. G. Swinney 2000-5-21 7699 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
  SBBG108188  Spergularia villosa S. L. Crockett 1997-4-2 646 Los Angeles 0.85 mi W along Empire Landing Rd from jct with Airport Rd, S side of rd 481 Comment
  SBBG131579  Spergularia villosa S. A. Junak 2000-4-15 SCa 1222 Los Angeles E of Lone Tree 432 Comment
  UC1584740  Spergularia villosa Tim Ross and Annette Ross 1991-6-3 5523 Los Angeles Elephant Hill west Pomona (disturbed flat at sw base) 230 Comment
  CAS-BOT-BC391003  Spergularia villosa Robert F. Thorne 1973-4-11 42799 b Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon 426 Comment
  RSA0000008  Sphacele cordifolia C. F. Baker 1904-6-14 5061 Los Angeles Hills near Claremont. Comment
  RSA0098643  Sphaeralcea ambigua subsp. ambigua R. G. Swinney 2010-6-1 13127 Los Angeles San Gabriel Mountains: lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  CAS-BOT-BC235435  Sporobolus airoides Roxana S. Ferris 1918-6-12 907 Los Angeles In desert road between Oban and Lancaster Comment
  SBBG56955  Sporobolus airoides R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Cyn Comment
  RSA601158  Sporobolus cryptandrus L. C. Wheeler 1966-10-22 9045 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  UCR223667  Stachys albens R. G. Swinney 2009-6-12 11135 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  LA52374  Stachys bullata Mary Reynolds; 1937-4-12 101 Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  RSA593596  Stanleya pinnata var. pinnata Steve Boyd, Orlando Mistretta 1996-5-23 8829 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  SBBG98049  Stebbinsoseris heterocarpa T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5227 Los Angeles 1650 ft WNW of Guds, graded by the Navy to form a "pad" 201 Comment
  UC831291  Stebbinsoseris heterocarpa P. A. Munz 1922-5-15 5599 Los Angeles San Dimas 365 Comment
  SDSU4474  Stellaria media A. H. Gallup 1948-3-5 114 Los Angeles Claremont. 366 Comment
  UCD99449  Stellaria media Colin M. Wainwright 1971-3-26 121 Los Angeles 5 miles north of Claremont. Evey Canyon, off Baldy Road. 1036 Comment
  UCR260401  Stellaria media R. G. Swinney 2010-6-21 13284 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
  CAS-BOT-BC397705  Stellaria nitens Le Roy Abrams 1901-4-3 1289 Los Angeles Santa Monica Mts 335 Comment
  RSA65756  Stellaria nitens F. W. Peirson 5781 Los Angeles along trail to Cattle Canyon Comment
  UC535347  Stephanomeria diegensis Ira W. Clokey, B. Templeton June 1929 4581 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  UCR138850  Stephanomeria parryi L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mtns., Alimony Ridge, at head of Brainard Canyon 1402 Comment
  CDA8850  Stephanomeria parryi E. Remmer 1958-4-24 Los Angeles Merridale Farms, northeast corner Avenue 2 & 67th Street, West Lancaster. 0 Comment
  RSA474244  Stephanomeria virgata B. C. Templeton 1966-9-27 s.n. Los Angeles Near Hughes Aircraft. Comment
  UCR263048  Stephanomeria virgata subsp. virgata Mitch Provance, Callen Huff 2009-6-26 609- 04 Los Angeles Tehachapi Mountains Foothills/W Mojave Desert, Neenach, water reserve near the intersection of 300th St. W and W Ave. A 930 Comment
  CATA1397  Stephanomeria virgata subsp. virgata Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2539 Los Angeles Santa Catalina Island: Road past radio station to Salta Verde 493 Comment
  UCD142280  Stillingia linearifolia Robert F. Thorne; C. W. Tilforth 1971-6-17 39910 Los Angeles N slope of San Gabriel Mts.; 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter. Near junction of Bee Canyon with Santa Clara River valley. 548 Comment
  CAS-BOT-BC61208  Streptanthus bernardinus Alice Eastwood 1906-5-27 229 Los Angeles Roscoe. Comment
  CAS-BOT-BC376010  Stylocline gnaphaloides F. W. Peirson 1921-5-20 2789 Los Angeles Little Rock Creek, San Gabriel Mts. 1097 Comment
  SBBG116968  Stylocline gnaphaloides S. A. Junak with K. Kirkland 2001-4-13 SCa 1438 Los Angeles Middle Cyn, between upper part of Middle Cyn Rd and crk bottom (S of rd), ca. 0.4 mi from intersection with Airport Rd (UTM: 11S, 0371844E, 3692223N) 347 Comment
  SBBG119924  Stylocline gnaphaloides A. C. Sanders 2003-4-29 26175 Los Angeles Castaic Mesa, Newhall Ranch, N of Charlie Cyn and E of Lake Hughes Rd 396 Comment
  UCR126667  Stylocline gnaphaloides A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26202 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA390061  Styrax redivivus Theodore Payne 1904-05 2980 Los Angeles Glendale Hills Comment
  CATA1238  Suaeda taxifolia Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2316 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA428883  Symphoricarpos mollis L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  UC213436  Symphoricarpos rotundifolius var. parishii I. M. Johnston 1917-9-16 1727 Los Angeles w spur Baldy; San Antonio Mountains 2743 Comment
  SBBG14286  Symphyotrichum greatae H. and M. Dearing 1944-5-10 5888 Los Angeles Charlton Flats, Angeles Crest Hwy Comment