Search Results — 2000 specimen records retrieved (1577 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384188  Abies concolor V. V. Giles 1936-6-5 s.n. Los Angeles Crystal Lake, San Gabriel Mts. Comment
  RSA460979  Abronia John P. Hill 1929-3-1 s.n. Los Angeles El Segundo. Comment
  RSA460914  Abronia maritima F. R. Fosberg 1930-6-23 S 2974 Los Angeles Del Rey. 2 Comment
  SDSU8430  Abronia maritima R. M. Beauchamp 1967-1-29 161 Los Angeles Growing on the beach at Pyramid Cove. San Clemente Island. Comment
Read comments
May 16 2008
  RSA0025882  Abronia umbellata F. C. Boutin 1967-4-23 1629 Los Angeles San Clemente Island: North end of island, at W end of air field runway. Comment
  LA211077  Acacia dealbata Arthur C. Gibson; Tony Valois 2010-2-18 5279 Los Angeles SANTA MONICA MOUNTAINS, Along backbone trail several hundred meters from trailhead on Piuma Rd. Comment
  JEPS12530  Acamptopappus sphaerocephalus var. sphaerocephalus Frank W. Peirson 1921-5-19 24007 Los Angeles lower part, in wash Little Rock Creek canyon; San Gabriel Mountains 975 Comment
  POM19146  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz 1923-5-27 6896 Los Angeles Pallett Creek. 2104 Comment
  SEINET6631343 Image available Acanthus mollis Christy Neushul 1959-1 35 Los Angeles Johns Canyon Road Comment
  SEINET13387027 Image available Acer macrophyllum R. G. Swinney 2011-1 15946 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  UCR259153  Acer macrophyllum R. G. Swinney 2010-8-30 13622 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
  UCR209924  Achillea millefolium R. G. Swinney 2008-7-13 9192 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
  UCR273571  Achillea millefolium R. G. Swinney 2011-6-15 15194 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA226214  Achnatherum coronatum Gary D. Cromwell, David W. Wheat 1971-4-30 602 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 465 Comment
  SEINET4692069 Image available Achnatherum coronatum Tim Ross, Steve Boyd 1990-1 2809 Los Angeles Green Valley Pasture (in San Fransiquito Canyon): Saugus District, Angeles National Forest. Lake Huges USGS 7.5' quad. 927 Comment
  RSA715215  Achnatherum speciosum Gary D. Wallace, Bob Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1950 Los Angeles Fort Tejon Road. Comment
  SBBG57067  Achnatherum speciosum R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  SBBG9011  Achyrachaena mollis J. Takara 1991-4-26 Los Angeles E of isthmus, along main rd; adjacent to uphill side of rd Comment
  CAS-BOT-BC204760  Acmispon argophyllus var. argenteus Robert F. Thorne 1966-4-15 36016 Los Angeles San Clemente Island: ca. 1/2 mile SSE of Eel Point, SW side of island 30 Comment
  CATA2143  Acmispon argophyllus var. argenteus Howard L. Ferguson 1980-3-17 178 Los Angeles San Clemente Island: Just S of Stone and rocky outcroping 441 Comment
  SEINET5327399  Acmispon argophyllus var. argenteus G. B. Grant, Walter Wheeler 1904-4-21 708 Los Angeles Collected on Santa Catalina Island, Pacific Ocean, off Southern California Comment
  SDSU4345  Acmispon dendroideus var. traskiae R. M. Beauchamp 1967-3-18 292 Los Angeles San Clemente Island. Comment
Read comments
May 16 2008
  UCD104160  Acmispon glaber Kenneth A. Wilson 1961-3-12 998 Los Angeles Zuma Beach. Comment
  SBBG126128  Acmispon glaber var. glaber A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37021 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
  CATA2031  Acmispon micranthus Steven A. Junak, Mark Hoefs, Lisa Stratton, Keri Kirkland 1998-5-2 642 Los Angeles Santa Catalina Island: S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak 256 Comment
  UC1971138  Acmispon nevadensis var. nevadensis Scott D. White, D. E. Bramlet 1998-6-29 6827 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of junction Crystal Lk. access rd. to junction Hwy. 2. USGS Crystal Lake 7 1/2' Quad. Comment
  SBBG108905  Acmispon strigosus S. A. Junak 1997-3-11 SCl 748 Los Angeles overlooking Pyramid Cove on Sibara Ridge, just W of gully edge, ca. 0.35 mi S of Triangulation Station Guds 137 Comment
Read comments
May 1 2012
  SBBG91829  Acmispon wrangelianus S. A. Junak 1978-4-15 SCa 011 Los Angeles E side of Cherry Cove 30 Comment
  RSA607622  Acourtia microcephala Louis C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga. 548 Comment
  UCR125151  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2002-6-18 25129 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  RSA650375  Adenostoma fasciculatum var. fasciculatum Eleanor McClung 1937-4-12 94 Los Angeles Higgin's Can., L.A. Comment
  UCR273295  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-10-25 15872 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
  RSA730068  Adiantum capillus-veneris R. G. Swinney, D. W. Larson 1999-5-29 7230 Los Angeles San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  CAS-BOT-BC65634  Adiantum jordanii L. R. Abrams; I. L. Wiggins 1931-7-6 368 Los Angeles Vicinity of Mosquito Harbor Comment
  IRVC14115  Adiantum jordanii B. T. Gittins 1968-2-25 4271 Los Angeles Santa Catalina Island; near Isthmus. Channel Islands Comment
  LA94084  Adiantum jordanii Lawrence L. Kiefer; 1966-3-20 1764 Los Angeles SANTA MONICA MOUNTAINS, Old Topanga Canyon, ca 2 mi from Topanga on Old Topanga Rd. 274 Comment
  LA94096  Adiantum jordanii Lawrence L. Kiefer; 1966-4-10 1850 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi S of Camp Josepho in ravine W of canyon. 304 Comment
  UC399482  Adiantum jordanii C. F. Millspaugh 1919-12-4 4463 Los Angeles Hamilton Beach Canyon; Santa Catalina Isl Comment
  UC625085  Adiantum jordanii F. R. Fosberg 1931-3-23 R 79 Los Angeles Hamilton Canyon; Santa Catalina Isl 30 Comment
  UCR256156  Adiantum jordanii R. G. Swinney 2010-6-4 13051 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  SBBG98250  Aeonium arboreum A. C. Sanders 1988-2-3 7597 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  UCD117147  Aesculus californica Nancy Ryan Zabriskie; Walter Zabriskie 1970-9-4 323 Los Angeles Arroyo Seco Park (or city street) planting, west side of Arroyo Seco Blvd., north of La Loma Road Bridge, south end of California Street in Pasadena. Comment
  RSA0021962  Ageratina adenophora Duncan S. Bell, Caitlin Elam 2013-6-24 5286 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA643285  Ageratina adenophora R. D. Goeden, D. W. Ricker 1969-12-10 s.n. Los Angeles Los Angeles: Santa Monica Mtns., Griffith Partk. Site EA-68-4. 366 Comment
  UCR150706  Ageratina adenophora R. G. Swinney, Dave Larson 1999-5-15 7180 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  CAS-BOT-BC29343  Ageratina adenophora Louis C. Wheeler 1934-2-2 2369 Los Angeles Elysian Park, Los Angeles 121 Comment
  RSA627494  Ageratina adenophora Louis C. Wheeler 1965-2-4 8653 Los Angeles Glendale: Southern Pacific Railroad Station. Comment
  RSA729415  Ageratina occidentalis R. G. Swinney 1998-10-3 7017 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 2012 Comment
Read comments
Jul 29 2021
  RSA762697  Agrostis R. G. Swinney 2008-7-24 9351 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 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
  UCR190230  Agrostis viridis R. G. Swinney 1998-8-1 6607 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  UCR209922  Agrostis viridis R. G. Swinney 2008-7-12 9169 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR62533  Alchemilla occidentalis R. G. Swinney 1990-3-24 1561 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. East end of Eagle Ridge, west of new homes 274 Comment
  POM18115  Allium burlewii Philip A. Munz 1923-5-26 6840 Los Angeles Vincent Gulch San Gabriel Mountains. 1951 Comment
  UC1922587  Allium haematochiton Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1182 Los Angeles Transverse Ranges; Verdugo Mountains region; Northwestern edge of Verdugo Mts, north of La Tuna Canyon. Near junction of Green Verdugo Fire Road from 210 Fwy and road to Green Verdugo Reservoir. 457 Comment
  RSA367029  Allium lacunosum var. lacunosum Anstruther Davidson 2802 Los Angeles Catalina [Island] Comment
  RSA584444  Allium monticola R. G. Swinney 1992-7-10 1853 Los Angeles Boundary between Los Angeles and San Bernardino counties. San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  RSA638957  Allium monticola L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  CAS-BOT-BC472947  Allium monticola Le Roy Abrams; E. A. McGregor 1908-7-3 601 Los Angeles North Baldy Mountain, San Gabriel Mountains Comment
  RSA0066074  Allium monticola F. W. Peirson 1923-5-25 3547 Los Angeles Rock Creek, north slope of San Gabriel Mts. 1295 Comment
  POM158342  Allium praecox M. B. Dunkle 1928-3-31 1761 Los Angeles Santa Catalina Island: Little Harbor 61 Comment
  CAS-BOT-BC475407  Allium praecox E. R. Blakley 1962-6-10 5243 Los Angeles San Clemente Island. 1/4 mile up canyon from its mouth, canyon half way between Eel Point and Seal Cove. 45 Comment
  UC1605447  Allium praecox Tim Ross, Steve Boyd 1993-5-23 7273 Los Angeles 270-340 m sw of Plum Spring (northerly draw draining from saddle betw Red Mtn's long E ridge and small notched peak to upper Clearwater Canyon, Liebre Mountains, nw LA Co.); Liebre Mountains 816 Comment
  RSA0115994  Allophyllum divaricatum R. G. Swinney 2010-8-11 13498 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 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
  CATA555  Amaranthus albus Mark L. Hoefs, Robert F. Thorne 1975-8-7 819 Los Angeles Santa Catalina Island: By reservoir at Middle Ranch 213 Comment
  UCSC000229  Amaranthus albus Ernest Braunton 2-Oct 704 Los Angeles Echo Park Comment
  UCSB27676  Ambrosia acanthicarpa Lavinger, S. 1975-10-6 Los Angeles On Los Angeles Crest Highway, 0.3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains 762 Comment
  RSA695720  Ambrosia acanthicarpa Keith E. Hoffmaster 1933-9-24 s.n. Los Angeles Near Santa Ana. Comment
  UC53981  Ambrosia psilostachya H. P. Chandler 1907-9-9 2044 Los Angeles Ballona Marshes Comment
Read comments
Sep 26 2011
  UCR95771  Ambrosia psilostachya Lauren Raz, Steve Boyd 1996-10-23 004 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  JEPS45150 Image available Amelanchier utahensis Frank W. Peirson 1919-6-14 471 Los Angeles along s side Head of Rock Creek; San Gabriel Mts. 2011 Comment
  RSA595638  Amelanchier utahensis Steve D. Boyd, Lauren Raz 1996-10-8 9010 Los Angeles Liebre Mountains region, upper southerly flank of Martindale Canyon, just up from Willow Spring on Forest Service Road 6N08, ca. 0.2 miles northwest of the junction with 6N07. 1402 Comment
  RSA764071  Amelanchier utahensis R. G. Swinney 2008-8-13 9383 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  UC1127758  Amelanchier utahensis W. T. Murphy Apr 1928 Los Angeles n of Mount Emma; Tujunga Quad. 1219 Comment
  RSA187659  Ammannia coccinea Robert F. Thorne 1966-9-16 36710 Los Angeles Near Hay Press Reservoir, Santa Catalina Island. 412 Comment
  RSA681934  Ammannia coccinea LeRoy Gross 2003-11-16 1206 Los Angeles Hansen Dam: West of Little Tujunga Canyon Road(Osborne Street) South of Foothill Blvd. In the flood control basin. South of the Athletic Field thats on the San Fernando 7.5 Quadrangle. 305 Comment
  CAS-BOT-BC180639  Amorpha californica var. californica Tim Ross; Walter Appleby 1993-6-7 7367 Los Angeles NW side of Lupine Saddle, at the head of teh draw that drains NNW to Los Pinetos Spring, W end of the San Gabriel Mtns. 954 Comment
  RSA415277  Amorpha californica var. californica I. M. Johnston 1930-9-7 s.n. Los Angeles Mt. Wilson Trail. 915 Comment
  RSA656206  Amorpha californica var. californica Joseph M. Keefe 1977-6-10 22059 Los Angeles Northern Verdugo Mountains; 1 km south of La Tuna Canyon Road on Fire Break Road West, Sun Valley 457 Comment
  RSA138502  Amsinckia intermedia Reid V. Moran 1959-3-9 6163 Los Angeles 2 miles SE of Eel Point, San Clemente Island. 100 Comment
  UCR229503  Amsinckia intermedia Dan S. Cooper 2011-2-13 211- 30 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR259271  Amsinckia intermedia R. G. Swinney 2010-3-14 11896 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
  UCR269885  Amsinckia intermedia Jeremiah George 2015-4-10 415- 09 Los Angeles Western Mojave Desert, Lancaster, southeast of intersection of West Ave. I and 30th St. West, north of Jackman St. 708 Comment
  RSA533887  Amsinckia intermedia Tim Ross, Mike Hammitt, Orlando Mistretta 1991-5-18 5160 Los Angeles San Clemente Island. 950 WNW of Stone at the beginning of the Stone Canyon drainage. 442 Comment
  RSA0089902  Amsinckia menziesii var. menziesii T. S. Ross, J. Mark Porter 1995-5-4 8498 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UC78286 Image available Amsinckia microsperma T. S. Brandegee 1889-5-1 Los Angeles Santa Catalina Island Comment
  RSA527792  Amsinckia spectabilis Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-8 4356 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA587757  Amsinckia tessellata Tim Ross 1991-4-27 4620 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
  RSA711440  Amsinckia tessellata var. tessellata LeRoy Gross 2005-5-19 2305 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  RSA723214  Anagallis arvensis LeRoy Gross 2007-5-2 2666 Los Angeles Southern part of the range; Stough Canyon just below the nature center. Near 427 Comment
  UCR131442  Anagallis arvensis Yvonne Marlin 2000-4-15 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  POM3618  Anagallis arvensis C. N. Carter 1909-5-11 s.n. Los Angeles [No location data on label] Comment
  UC22323  Anagallis arvensis Harley P. Chandler 1897-5-11 Los Angeles Claremont 365 Comment
  RSA599514  Ancistrocarphus filagineus Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9466 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
  CAS-BOT-BC400316  Anemopsis californica Geo. B. Grant 1904-4-1 43 Los Angeles Redondo Comment
  RSA0105160  Antirrhinum coulterianum R. G. Swinney 2011-5-12 14671 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
  RSA80187  Antirrhinum coulterianum F. W. Peirson 1919-2-12 188 Los Angeles Field near foot of Lukens Trail, San Gabriel Mountains. 610 Comment
  UCR223731  Antirrhinum coulterianum R. G. Swinney 2009-6-12 11138 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
  UCR270678  Antirrhinum coulterianum R. G. Swinney 2011-5-24 14808 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA732930  Antirrhinum kelloggii R. G. Swinney 2000-5-21 7770 Los Angeles NE of Azusa, Rincon Canyon, c. 300 m SW of Rincon Rd. entrance and Hwy 39, on plateau W of Rincon Rd. 549 Comment
  JEPS5284  Antirrhinum multiflorum Frank W. Peirson 1918-6-30 190 Los Angeles Mt. Wilson Toll Road; San Gabriel Mountains 1143 Comment
  UCR252759  Antirrhinum multiflorum R. G. Swinney 2010-5-29 13414 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  CATA491  Antirrhinum nuttallianum subsp. subsessile Sara L. Crockett 1997-4-1 633 Los Angeles Santa Catalina Island: 0.3 mile WNW on Two Harbors Road from jct. with upper road leading into Little Harbor CG; moist pockets adjacent to old road leading to power poles on N side of road 45 Comment
  SD69484  Antirrhinum nuttallianum subsp. subsessile Robert F. Thorne 1966-4-6 35889 Los Angeles Santa Catalina Island; ridge between White and Moonstone Coves 14 Comment
  CAS-BOT-BC447675  Aphanes arvensis A. J. McClatchie 1894-4-16 s.n. Los Angeles Pasadena Comment
  SBBG131641  Aphanes occidentalis S. A. Junak 1999-4-22 SCa 837 Los Angeles White's Landing, tent cabin area, YMCA Camp, just W of amphitheater 6 Comment
  RSA470372  Apiastrum angustifolium F. R. Fosberg 1931-3-26 S- 4380 Los Angeles Santa Catalina Island. Sea bluffs W of Hamilton Canyon. 90 Comment
  RSA470374  Apiastrum angustifolium H. de Forest 1926-1 s.n. Los Angeles Verdugo Woodlands. Comment
  UC303503  Apiastrum angustifolium Crawford and Hiatt 1916-3-28 Los Angeles Santa Monica Mountains, Topanga Canyon Topanga Canyon; Santa Monica Mountains, Topanga Canyon Comment
  UCR152658  Aptenia cordifolia A. C. Sanders, Lee Jones 2005-4-8 29329 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA615708  Aquilegia formosa Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  UCR85827  Arabis glabra T. S. Ross 1991-8-16 5822 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
  RSA0126428  Arabis glabra var. glabra I. M. Johnston 1917-5-6 1919 Los Angeles Evey Canyon, north of Claremont 762 Comment
  SEINET5340787  Arabis sparsiflora G. B. Grant 1904-4-4 53 a-5633 Los Angeles Collected at Garvanza. Comment
  UCR150979  Arabis sparsiflora var. californica L. C. Wheeler 1968-5-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region, San Gabriel Mtns: NW slope of Smith Mountain, along Bear Creek Trail 1220 Comment
  RSA447461  Arabis sparsiflora var. californica M. D. Proctor 1944-4-9 827 Los Angeles Santa Anita Canyon Comment
  POM3396  Arbutus menziesii L. Struf 1918-5-19 s.n. Los Angeles Mt Wilson Trail. Comment
  UCR189705  Arceuthobium californicum R. G. Swinney 1998-7-24 6575 Los Angeles San Gabriel Mtns., west-facing slope of Pine Mountain, c. 1/2 mile south of Fish Fork Trail crossing of Pine Mtn. Ridge 2043 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
  UC1375299  Arceuthobium campylopodum Robert F. Thorne 1971-8-25 41322 Los Angeles near Windy Spring on n slope fo Mt. Islip San Gabriel Mtns, Angeles National Forest Comment
  RSA629080  Arctostaphylos Jon E. Keeley, Allen Massihi 1992-8-20 20249 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA177893  Arctostaphylos catalinae R. F. Thorne, Percy C. Everett 1965-5-11 34669 Los Angeles near road to Hay Press; Santa Catalina Island. 457 Comment
  RSA199196  Arctostaphylos catalinae R. F. Thorne, D. Propst 1968-5-28 37669 Los Angeles Santa Catalina Island: upper N-facing slope of Bulrush Canyon. 411 Comment
  UCR58367  Arctostaphylos catalinae Reid Moran 1949-2-8 3153 Los Angeles Santa Catalina Island, Canyon above Whites Landing 457 Comment
  RSA127929  Arctostaphylos glandulosa P. H. Raven, H. J. Thompson 1959-2-25 13807 Los Angeles 1.2 miles east of summit, Saddle Peak. 609 Comment
  SD253438  Arctostaphylos glandulosa R. G. Swinney 2011-10-13 15796 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Highway 2. 1622 Comment
  SFV16664  Arctostaphylos glandulosa P. Wilson, J. M. Albert 1996-6-12 3437 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 52.85, near Three Points. 1799 Comment
  RSA634803  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20452 Los Angeles Pinyon Flats, N of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1610 Comment
  UCR197228  Arctostaphylos glandulosa subsp. glandulosa Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 990 Los Angeles Verdugo Mountains, southwest side, along Verdugo Mtwy, east of junction with Stough Canyon Mtwy, above Stough and Wildwood canyons, west side of Peak ''2642 762 Comment
  UCR277400  Arctostaphylos glandulosa subsp. glandulosa R. G. Swinney 2010-8-23 13573 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  CAS-BOT-BC24696  Arctostaphylos glandulosa subsp. mollis Ernest Braunton 1902-6-1 486 Los Angeles Griffith Park. Comment
  RSA590554  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1993-5-19 7169 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  RSA616064  Arctostaphylos glandulosa subsp. mollis Scott D. White 1997-1-20 6056 Los Angeles Santa Clara River Watershed: Headwaters of Iron Canyon and Oak Springs Canyon. 1160 Comment
  RSA631219  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21980 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA623703  Arctostaphylos glauca Scott D. White 1998-4-30 6361 Los Angeles Wrightwood Area: Sheep Creek and adjacent lower +/- E-facing mountain slopes. 1645 Comment
  RSA631459  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16040 Los Angeles Ridge Route, 12 km south of Liebre Gulch turnoff. 950 Comment
  RSA631698  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15846 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  UC456161  Arctostaphylos glauca I. J. Condit 1907-1-3 Los Angeles Mt. Lowe Pasadena Comment
  UCR95383  Arctostaphylos glauca L. C. Wheeler 1966-11-19 9138 Los Angeles San Gabriel Mtns., Dagger Flat vicinity, Pacoima Canyon 747 Comment
  SEINET12524584 Image available Arctostaphylos glauca Unknown 1961-1 2075 Los Angeles Schurnem Rd. , near Saddle peal, Santa Monica Mts. 632 Comment
  UCR114208  Arctostaphylos parryana A. C. Sanders, D. Malueg 1998-6-24 22080 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  RSA634846  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20526 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635109  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20439 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
  RSA635256  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20656 Los Angeles Angeles Crest Hwy., Eagle Roost Picnic Ground, 3.5 km west of old road to Crystal Lake. San Gabriel Mtns. 2030 Comment
  RSA652147  Argemone munita Orville Armstrong 1949-5-1 s.n. Los Angeles 1.5 miles north of Pomona. Loam soil. 305 Comment
  UCR232926  Argyranthemum foeniculaceum R. E. Riefner Jr. 2011-8-19 11- 103 Los Angeles Palos Verdes Peninsula, Malaga Cove, north c. 0.2 mi from Paseo del Mar Street at Palos Verdes Drive West 90 Comment
  UC121470  Aristida adscensionis T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  POM116476  Aristida ternipes var. hamulosa Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  CHSC19541  Artemisia californica Arlene Dunson 1974-7-22 Los Angeles E of residential section on Gold Hill in Monrovia. Comment
  UC1215219  Artemisia californica Peter H. Raven 1962-7-10 17966 Los Angeles on rocky walls in upper reaches of Cave Canyon (large canyon draining sw from Thirst); San Clemente Island Comment
  SBBG118762  Artemisia douglasiana F. R. Fosberg 1931-7-11 5381 Los Angeles Cape Cyn 220 Comment
  UC892586  Artemisia douglasiana Ira W. Clokey, B. Templeton 1929-6-1 4594 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 200 Comment
  CAS-BOT-BC93874  Artemisia dracunculus A. J. McC 1892-9-10 s.n. Los Angeles Pasadena, Arroyo Seco Comment
  RSA239862  Artemisia dracunculus John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles near the base of Mt. Baden-Powell trail 2194 Comment
  RSA417310  Artemisia dracunculus H. de Forest 1932-10-16 s.n. Los Angeles Barley Flats. San Gabriel Mountains, Angeles National Forest. Comment
  SEINET10673151  Artemisia dracunculus David B. Dunn 1946-8-10 Dunn 2661 Los Angeles Near stream on sandy banks East of Faculty Hill. Comment
  RSA758715  Artemisia ludoviciana R. G. Swinney 2008-10-7 9468 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  UC1215232  Artemisia nesiotica Peter H. Raven 1962-7-11 18006 Los Angeles upper end of first canyon s of Lemon Tank; San Clemente Island Comment
  SBBG62479  Artemisia tridentata subsp. parishii Miss Weld 1931-11-15 Los Angeles Lancaster Comment
  RSA235235  Arthrocnemum subterminale E. R. Blakley 1962-6-10 5221 Los Angeles Wilson Cove, San Clemente Island 6 Comment
  JEPS49874  Asclepias eriocarpa F. W. Peirson 1918-6-28 148 Los Angeles e of Rubio Canyon; San Gabriel Mts. 609 Comment
  UCR17976  Asclepias eriocarpa Dr. H. de Forest 1931-1 s.n. Los Angeles Western Transverse Range, 'Los Padres' [Angeles] National Forest, Ridge Route Comment
  CHSC99436  Aspidotis californica LeRoy Gross 2000-10-28 313 Los Angeles Verdugo Mountains: Along Brand Park Mountainway road. 548 Comment
  RSA686320  Aspidotis californica E. Crow 1928-10-21 7 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA5872  Aster bernardinus C. B. Wolf 1932-9-16 4123 Los Angeles Bryant Ranch, west side of San Gabriel River Flood Control, 1/2 mi. So. of 7th St (Long Beach), 1645 ft. East and 200 ft. No. of Center 8, Sect. 2. T5S. R12W. 3 Comment
  UC1614045  Astragalus Charles M. Belshaw 1935-3-29 494 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp); West Antelope Valley, La Liebre Scarp Comment
  RSA680195  Astragalus bicristatus Valerie L. Soza, Naomi Fraga 2003-6-13 1670 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  LA35990  Astragalus brauntonii Peter H. Raven; Henry J. Thompson 1960-5-16 15382 Los Angeles Santa Monica Mountains, ridge east of Temescal Canyon, along fire-break 243 Comment
  IRVC26362  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26050 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  CAS-BOT-BC182303  Astragalus didymocarpus var. didymocarpus Robert F. Thorne 1973-5-11 43554 Los Angeles San Gabriel Mts., Mojave Desert slopes: Along Mt. Emma Road, 1.9 mi W of Little Rock Creek below the dam Comment
  CAS-BOT-BC182852  Astragalus douglasii L. R. Abrams 1927-4-30 11726 Los Angeles Head of Antelope Valley Comment
  POM18190  Astragalus douglasii var. douglasii P. A. Munz 1923-8-31 7696 Los Angeles Mescal Creek, San Gabriel Mountains 1951 Comment
  RSA611607  Astragalus douglasii var. douglasii L. C. Wheeler 1968-5-12 s.n. Los Angeles 2/3 mile E of Juniper Bowl, Juniper Hills. 1158 Comment
  SD111579  Astragalus lentiginosus var. antonius Wayne P. Armstrong 1982-7-18 Los Angeles Blue Ridge Road southwest of Wrightwood, near Guffy Campground. 2440 Comment
  POM19199  Astragalus lentiginosus var. variabilis P. A. Munz 1923-5-27 6907 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  CAS-BOT-BC186461  Astragalus nevinii J. Von Loh 1978-1-3 3286 Los Angeles San Clemente Island 365 Comment
  SDSU19657  Astragalus nevinii Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas 2000-7-19 2185 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  UCR219819  Astragalus pachypus var. pachypus R. G. Swinney 2009-4-24 10431 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR274564  Astragalus preussii var. laxiflorus Kelly Schmoker 2014-6-18 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, south of Buckhorn Dry Lake, W of 100th St. East and north of Ave. 'A' near its end, NE of old homestead site and NW of 'L' shaped windbreak 699 Comment
  RSA415762  Astragalus trichopodus Blanche Trask 1901-03 1931 Los Angeles Avalon, Catalina Island. Comment
  SFV18426  Astragalus trichopodus C. Ferguson 1974-4-10 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Beside entrance to park. Comment
  SBBG78425  Astragalus trichopodus var. lonchus W. A. Wright 1931-2-19 Los Angeles Toyon Cyn Comment
  JEPS79820  Astragalus trichopodus var. phoxus I. W. Clokey and B. C. Templeton 1930-4-8 4647 Los Angeles San Francisquito Canyon 800 Comment
  SD113697  Astragalus trichopodus var. phoxus Darley F. Howe 1954-5-9 2354 Los Angeles Malibu Canyon, Santa Monica Mts. Comment
  RSA593014  Athysanus pusillus Steve Boyd 1996-4-25 8723 Los Angeles Liebre Mountains, western summit of Liebre Mountain, along Forest Service Road 7N23 ca 4 mile NE of jtn with 7N22, near the head of Cold Canyon. 1622 Comment
  RSA743669  Atriplex amnicola R. E. Riefner 2006-7-8 6 -289 Los Angeles City of Malibu, Malibu Lagoon at Pacific Coast Hwy. 10 Comment
  UC1215234  Atriplex californica Peter H. Raven 1962-7-11 18010 Los Angeles Wilson Cove , Wilson Cove (San Clemente Island) 60 Comment
  RSA233611  Atriplex californica R. F. Thorne 1970-3-5 39370 Los Angeles Blue Cavern Point 3 Comment
  UC472165  Atriplex canescens J. Ewan 1931-11-11 5298 Los Angeles Del Valle , Del Valle (Santa Clara River Valley) Comment
  CAS-BOT-BC172644  Atriplex coulteri E. Braunton 1902-5-15 s.n. Los Angeles Gardena Comment
  SD69367  Atriplex coulteri Robert F. Thorne, P. Everett 1965-5-11 34645 Los Angeles Santa Catalina Island; along road from Rancho Escondido above Cottonwood Dam in Cottonwood Canyon. 105 Comment
  UC850846  Atriplex leucophylla L. W. Nuttall 1920-5-16 217 Los Angeles Santa Catalina Island Comment
  SD67741  Atriplex nummularia Carl B. Wolf 1931-12-30 2636 Los Angeles Coastal bluffs at Playa del Rey. 29 Comment
  UC150082  Atriplex pacifica LeRoy Abrams 1903-3-14 3137 Los Angeles near Rocky Point (San Pedro hills); , near Rocky Point Comment
  RSA600604  Atriplex rosea L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Grandview Canyon, 1/4 mile south of Largo Vista. 1432 Comment
  RSA661071  Atriplex semibaccata Orlando Mistretta 1992-4-5 179 Los Angeles Guds, San Clemente Island. Comment
  SBBG65394  Atriplex serenana var. serenana M. N. Ackley -Aug-1927 95 Los Angeles Inglewood 47 Comment
  RSA746809  Atriplex suberecta Michael Honer 2003-7-8 1846 -A Los Angeles Tapia Canyon area, c. 2 - 3 air miles west if I-5 Freeway juntion with Ridgt Rt. Rd. 396 Comment
  RSA649002  Avena fatua Scott Lowe 1991-4-20 10 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  RSA650446  Avena fatua E. S. Spalding 1948-5-2 s.n. Los Angeles Growing in open field 2 miles from Inglewood. 34 Comment
  RSA0106817  Azolla Steven A. Junak 1999-7-16 SCa- 1054 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon, just downstream from crossing of road to Ben Weston Beach. 24 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
  RSA418214  Baccharis douglasii Anstruther Davidson 1892-08 s.n. Los Angeles Verdugo [Park] Comment
  RSA5263  Baccharis douglasii C. B. Wolf 1932-9-16 4090 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  RSA0060475  Baccharis pilularis R. G. Swinney 2010-8-16 13534 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA128055  Baccharis pilularis Peter H. Raven, Henry J. Thompson 1959-9-6 14362 Los Angeles Salt marsh at mouth of Malibu Creek. 3 Comment
  IRVC24044  Baccharis pilularis subsp. consanguinea Fred M. Roberts, Gordon Marsh 1985-10-16 2479 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
  CAS-BOT-BC99627  Baccharis plummerae Peter H. Raven; Henry J. Thompson 1958-10-11 13749 A Los Angeles Tuna Canyon 1.8 miles north of Coast Highway 426 Comment
  RSA15634  Baccharis salicifolia C. B. Wolf 1927-12-31 1464 Los Angeles Occidental College Campus. 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
  UCR273438  Baccharis salicifolia R. G. Swinney 2011-10-25 15856 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  HSC79561  Baccharis salicina James Henrickson Jan 1973 8113 Los Angeles Santa Catalina Island, 2 mi. WNW of Avalon, in Haypress area Comment
  POM350737  Balsamorhiza deltoidea Anstruther Davidson 1895-5-4 2031 Los Angeles Gorman Station Comment
  RSA721720  Berberis aquifolium var. aquifolium R. G. Swinney 1995-3-11 3381 Los Angeles Glendora, Big Dalton Canyon 378 Comment
  CAS-BOT-BC75760  Berberis nevinii Alice Eastwood 1919-6-21 s.n. Los Angeles San Fernando. Comment
  RSA0048505  Berberis nevinii Jack Pepper 1953-3-20 s.n. Los Angeles Encino park. Comment
  UC1605254  Berula erecta Timothy S. Ross, Steve Boyd and Steve Burns 1994-7-6 8089 Los Angeles confluence of San Francisquito Canyon and two triutaries draining off of Red Mountain (Liebre Mountains, s end of Cottonwood Swamp dissected by San Francisquito Road); Liebre Mountains, Cottonwood Swamp 510 Comment
  RSA0088887  Beta macrocarpa Steven A. Junak, Mark Hoefs 1998-6-12 SCa- 731 Los Angeles Santa Catalina Island: Along Banning House Road, ca 1.0 mile from Two Harbors. 228 Comment
  RSA0035896  Bidens frondosa R. G. Swinney 2009-11-9 11587 A Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  CHSC118870  Bidens pilosa Daniel Gluesenkamp 2006-11-23 Los Angeles Fallbrook. 1524 Dickey St. in abandoned citrus orchard. 233 Comment
  RSA683192  Bituminaria bituminosa Scott D. White 2003-10-14 9827 Los Angeles Foothills above Sierra Madre; LA Dept. of Public Works Auburn debris basin, above the north terminus of Auburn Ave. (Mt. Wilson) 396 Comment
  SBBG29967  Bloomeria crocea var. crocea I. W. Clokey, B. Templeton -May-1929 4543 Los Angeles Mandeville Cyn 500 Comment
  UCR141381  Boechera pulchra A. C. Sanders, D. Malueg 1998-6-22 22045 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCD114463  Boechera retrofracta Geoffrey Levin 1974-4-27 64 Los Angeles Evey Canyon, a side canyon of San Antonio Canyon. San Gabriel Mts. 731 Comment
  UCR128012  Bolboschoenus maritimus subsp. paludosus Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3004 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  POM1034  Bothriochloa barbinodis Le Roy Abrams 1903-3-11 3110 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  SBBG96535  Bothriochloa barbinodis M. C. Carroll 1990-9-29 3005 Los Angeles NW of Sullivan's Beach 60 Comment
  UCR273367  Bothriochloa barbinodis R. G. Swinney 2011-3-18 14173 Los Angeles San Gabriel Mts., Glendora foothills, along Marshall Trail between Mull Canyon and Morgan Ranch Rd./Morgan Cyn., in dedicated open space 366 Comment
  SBBG20575  Bowlesia incana E. R. Blakley 1963-12-8 6389 Los Angeles cyn head above Mosquito Cove and between Triangulation Pts Malo and Chenity 274 Comment
  UC73342  Bowlesia incana Geo. B. Grant Feb. 1903 110 Los Angeles Lincoln Park; Southern California, Lincoln Park Comment
  CAS-BOT-BC95422  Bowlesia incana G. B. Grant 1903-2-1 s.n. Los Angeles Gavanza Comment
  RSA702175  Boykinia rotundifolia Scott D. White 2004-7-28 10660 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SBBG119066  Boykinia rotundifolia S. D. White 2004-7-28 10660 Los Angeles Clear Crk area, "The Pines" picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jct with Angeles Crest Hwy; T2N R12W S8 976 Comment
  UCR192840  Boykinia rotundifolia R. G. Swinney 1998-8-10 6726 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  SEINET10627065  Brassica juncea Heidi H. Schmidt 1999-10-14 Schmidt 3816 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  POM307806  Brassica rapa Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2754 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA482912  Brassica rapa M. Bisbee 1917-5-5 s.n. Los Angeles Eagle Rock Valley Comment
  RSA482914  Brassica rapa Howard Mullins 1931-3-19 s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC100414  Brickellia californica LeRoy Abrams 1904-9-2 4173 Los Angeles Elysian Park, Los Angeles Comment
  UC894155  Brickellia californica Carl B. Wolf 1932-10-4 Los Angeles above the Amphitheatre (Avalon, Santa Catalina Island); Santa Catalina Island, Avalon 30 Comment
  UCR61056  Brickellia californica R. G. Swinney 1989-11-24 1493 Los Angeles San Gabriel Mtns, San Gabriel Mountains, vicinity Glendora Wilderness Park, Big Dalton Canyon Road Comment
  UCR172451  Brickellia longifolia Anuja Parikh, Nathan Gale 2005-7-5 2124 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes south of upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 19 396 Comment
  RSA653374  Brickellia nevinii LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 266 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  POM364052  Bromus Howard Mullins 1931-3-27 s.n. Los Angeles Los Angeles. Comment
  RSA385301  Bromus arizonicus George B. Grant 1904-4-27 767 Los Angeles Pasadena. Comment
  SBBG17803  Bromus arizonicus P. H. Raven 1962-4-9 17126 Los Angeles near barracks, Wilson Cove 60 Comment
  SBBG83255  Bromus arizonicus M. Daily 1986-4-7 Los Angeles Bird Rock Comment
  RSA251489  Bromus carinatus R. F. Thorne 1973-4-11 42840 Los Angeles San Clemente Island: Norton Canyon. 274 Comment
  RSA385307  Bromus carinatus Anonymous 1914-6-29 s.n. Los Angeles Inglewood. Comment
  SBBG20179  Bromus carinatus M. S. Walters 1950-6-13 Los Angeles Ridge Route (US Hwy 99), Oak Flat Public Camp Comment
  RSA0112845  Bromus carinatus Steven A. Junak 1999-5-8 SCa- 918 Los Angeles Santa Catalina Island. Fern Canyon, Cottonwood Canyon watershed, just upstream from fenceline. Comment
  RSA579431  Bromus carinatus var. carinatus Timothy S. Ross 1994-5-31 7962 Los Angeles Pacifico Mountain: W slope. ca. 315 m WSW of the 7124-foot summit. 2085 Comment
  RSA601329  Bromus carinatus var. carinatus Steve Boyd, Lauren Raz 1997-6-17 9953 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A. 1646 Comment
  UC205224  Bromus carinatus var. carinatus I. M. Johnston 1917-7-1 1519 Los Angeles San Antonio Mountains, Browns Flats Browns Flats; San Antonio Mountains, Browns Flats 1371 Comment
  RSA601618  Bromus catharticus L. C. Wheeler 1967-5-13 9494 Los Angeles On mesa between Little Dalton and Englewild canyons, in vicinity of abandoned lemon grove. 381 Comment
  UCR127648  Bromus catharticus A. C. Sanders, Mark Elvin 2002-6-25 25268 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CATA995  Bromus diandrus Mark L. Hoefs 1994-5-21 1869 Los Angeles Santa Catalina Island: Near Renton Mine Road 195 Comment
  LA13816  Bromus diandrus A. M. Johnson; 1932-4-8 3934 Los Angeles SANTA MONICA MOUNTAINS, UCLA campus. 121 Comment
  RSA258431  Bromus diandrus Dick Tilforth 1972-4-14 481 Los Angeles [Claremont. Rancho Santa Ana Botanic Garden.] 412 Comment
  RSA659813  Bromus diandrus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 108 Los Angeles San Clemente Island. Comment
  RSA748745  Bromus diandrus R. G. Swinney 2008-3-31 8590 Los Angeles Glendora Mountain summit 1003 Comment
  UCR127054  Bromus diandrus Mark A. Elvin, Cathleen Weigand 2003-4-8 2466 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  CAS-BOT-BC155589  Bromus grandis Louis C. Wheeler 1936-6-8 4134 Los Angeles San Gabriel Mountains. Bell Canyon. 701 Comment
  RSA771637  Bromus grandis R. G. Swinney 2009-6-2 10985 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UC1587655  Bromus grandis Tim Ross 1991-8-14 5780 Los Angeles San Gabriel Mountains, Roundtop Mountain Roundtop Mountain; San Gabriel Mountains, Roundtop Mountain 1767 Comment
  UCR9397  Bromus grandis D. H. Wilken 1965-6-24 294 Los Angeles San Gabriel Mountains, Upper Arroyo Seco near Strawberry Peak 1067 Comment
  UC535049  Bromus hallii Victor Duran 1933-7-20 3521 Los Angeles San Gabriel Mountains, Buckhorn Buckhorn; San Gabriel Mountains, Buckhorn 1981 Comment
  RSA0069710  Bromus hordeaceus Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 22 Los Angeles Santa Catalina Island. Deer Valley Trail. 41 Comment
  SBBG131576  Bromus madritensis S. A. Junak 2000-4-15 SCa 1214 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  UCSB69249  Bromus madritensis subsp. madritensis Gross, LeRoy; Denslow, Michael; Hogshead, Bill 2003-6-17 Los Angeles Transverse Ranges, Verdugo Mtns region, S side of mountains; Brand Canyon above the largest waterfall where canyon forks off; Burbank 7.5 Quad T1N R12W S5 NW1/4 of SE1/4 519 Comment
  SD31185  Bromus madritensis subsp. rubens Edith A. Purer 1931-3-12 957 Los Angeles Palos Verdes Hills, in field Comment
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Jul 11 2010
  RSA657470  Bromus rubens J. Totino 1976-4-22 15 Los Angeles Verdugo Mountains Region: Backyard on slope, 2776 Valley Vista Road [Valley View Road], Glendale. Feet. Comment
  SBBG93450  Bromus rubens T. S. Brandegee 1890-5-15 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC161405  Bromus tectorum Timothy S. Ross; Darin Banks 1994-4-13 7514 Los Angeles Liebre Mountains. San Francisquito Canyon. Ca. 430 m southwest of San Francisquito Powerhouse Nomber 2. 487 Comment
  SD247283  Bromus tectorum Mitch Provance, Callen Huff 2009-4-29 10696 Los Angeles Tehachapi Mountains: Tejon Ranch south of Lebec, lower slopes above Interstate 5, about 0.5 mile east of Gorman; site PO1088/1090 (Lebec 7.5'Q) 1230 Comment
  SFV20832  Bromus tectorum L. Gross 2005-4-28 2162 Los Angeles San Gabriel Mountains Ridgeline to Mount Emma and canyon south of this ridge. West from Mount Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest). East of Mount Emma Road near above coordinates then dropped off ridge into canyon bottom back to origin. From a slight decline bench south of the ridgeline. 1235 Comment
  UCR181107  Bromus tectorum R. G. Swinney 1997-4-25 5511 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  LA33358  Bromus tectorum Peter H. Raven; Henry J. Thompson 1959-5-5 14109 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  RSA0019950  Bromus tectorum F. Cosand 1963-5-4 43 Los Angeles Lake Hughes Road, 3-4 miles from Castaic. 610 Comment
  RSA0019999  Bromus tectorum Harold Mosher 1948-4-4 s.n. Los Angeles Along the road north of Palmdale. Four miles north of Palmdale. 609 Comment
  CATA3479  Caesalpinia spinosa Michael Thomas, Benjamin Dion 2017-12-5 006 Los Angeles Santa Catalina Island: Interior; roadside, 20m south of Rancho Escondido Road in Lower Cottonwood Canyon watershed 106 Comment
  UCR152453  Cakile maritima A. C. Sanders, Lee Jones 2005-4-8 29369 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA570199  Calandrinia ciliata Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 5037 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  UCR256834  Calocedrus decurrens R. G. Swinney 2010-9-9 13761 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
  RSA377281  Calochortus catalinae M. B. Dunkle 1932-5-28 2972 Los Angeles Catalina Island Comment
  RSA377287  Calochortus catalinae F. R. Fosberg 1931-3-27 S- 4411 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 80 Comment
  CAS-BOT-BC487906  Calochortus kennedyi Robert F. Thorne 1973-5-11 43458 Los Angeles San Gabriel Mts., Mojave Desert Slope: 1/2-1/4 mi N of Bob's Gap, N slope of Holcomb Ridge, c. 2 1/2 mi due S of Llano 1158 Comment
  RSA0054999  Calochortus kennedyi J. R. Shevock 1971-5-11 1059 Los Angeles Outskirts of Palmdale. Comment
  HSC15355  Calochortus luteus Paul Shields Jun 1955 Los Angeles 5 S of Sommerset Comment
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Oct 30 2013
  RSA229003  Calochortus palmeri var. palmeri Robert F. Thorne, C. W. Tilforth 1971-6-30 40819 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek 1.8 miles below Alder Saddle in Pinyon Flats area, 1555 Comment
  RSA377428  Calochortus plummerae Anstruther Davidson 1892-06 s.n. Los Angeles Los Angeles Comment
  POM30489  Calycadenia tenella George B. Grant 1904-5-24 s.n. Los Angeles Collected at Pasadena. Comment
  POM351396  Calycadenia tenella B. C. Templeton 1936-5-18 5662 Los Angeles Puddingstone Dam Comment
  UCR205453  Calycoseris parryi R. G. Swinney 2008-5-2 8741 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  SBBG127087  Calystegia longipes A. Parikh, N. Gale 2011-6-20 3489 Los Angeles S of Rabbit Peak, 1.8 km E of Angeles Forest Hwy, 0.2 km N of Monte Cristo Crk; San Gabriel Mtns 1330 Comment
  UCR239611  Calystegia macrostegia Dan S. Cooper 2012-8-6 812- 53 Los Angeles Western Transverse Range; Santa Monica Mountains, Las Flores Canyon along Gorge Rd. 116 Comment
  CSUSB1003  Calystegia macrostegia subsp. cyclostegia J. Operskalski 1976-4-24 Los Angeles La Canada, Dicken's Canyon, 1 mile north of Foothill Blvd. Comment
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Jun 2 2015
  UCR197196  Calystegia macrostegia subsp. intermedia Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 708 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park 549 Comment
  POM222387  Calystegia occidentalis subsp. fulcrata L. C. Wheeler 1936-6-24 4181 Los Angeles San Dimas Canyon 671 Comment
  RSA642420  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1995-6-23 1841 Los Angeles San Gabriel Mountains: Lookout Mountain trail. 1814 Comment
  UCR43327  Calystegia peirsonii David Charlton 1986-6-15 236 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  RSA762260  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-2 2596 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 42 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1021 Comment
  RSA394834A  Calystegia soldanella E. A. Purer 1931-8-4 14528 Los Angeles Hollywood by the sea. Comment
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Jul 18 2012
  UCR126583  Camissonia bistorta A. C. Sanders 2003-5-22 26825 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  UCR219906  Camissonia bistorta R. G. Swinney 2009-4-17 10385 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
  RSA466983  Camissonia bistorta L. E. Hoffman 1931-5-30 s.n. Los Angeles Cucamonga Wash Comment
  RSA225715  Camissonia californica Robert F. Thorne, A. C. Gibson 1971-5-22 39705 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA466142  Camissonia californica M. B. Dunkle 1933-6-17 3626 Los Angeles San Antonio Canyon, dry canyon side. Comment
  RSA466144  Camissonia californica Fay A. MacFadden 1931-3-28 36 Los Angeles Verdugo Mountains, La Tuna Canyon Comment
  UCR149894  Camissonia campestris R. G. Swinney 1999-6-18 7312 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  RSA593012  Camissonia campestris subsp. campestris Steve Boyd 1996-4-25 8721 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  RSA744644  Camissonia campestris subsp. campestris Roy R. Snelling 1977-3-19 14 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  RSA72263  Camissonia cheiranthifolia subsp. suffruticosa F. W. Peirson 1951-2-7 789 Los Angeles Long Beach Comment
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Jan 30 2012
  CLARK-A1528-3327  Camissonia claviformis John C. Roos 1937-3-25 1324 Los Angeles Comment
  RSA244395  Camissonia confusa Robin S. Collins 1973-5-15 279 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  RSA595678  Camissonia confusa Tim S. Ross, Victor W. Steinmann 1995-5-8 8561 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  POM212257  Camissonia graciliflora G. H. True 1931-3-5 47 Los Angeles Foothills. 4 miles west of Palmdale. Comment
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Aug 2 2008
  RSA0080749  Camissonia hirtella R. G. Swinney 2010-6-23 13354 Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA186757  Camissonia hirtella Peter H. Raven 1962-5-1 17516 Los Angeles Mulholland Highway just east of junction with Decker Road, Santa Monica Mountains 488 Comment
  RSA454094  Camissonia ignota Anstruther Davidson 1905-6-1 1428 Los Angeles Providence Ranch. Hollywood. Comment
  POM8574  Camissonia intermedia P. A. Munz, R. D. Harwood 1920-5-15 3928 Los Angeles Santa Monica. Dry hillside, Coldwater Canyon. 305 Comment
  POM3238  Camissonia micrantha I. M. Johnston 1917-5-6 1932 Los Angeles Evey Canon, north of Claremont. 686 Comment
  UCR193720  Camissonia pallida R. G. Swinney 1999-4-5 7066 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
  UCR194151  Camissonia pallida A. C. Sanders 2008-4-13 34883 Los Angeles Western Mojave Desert, Antelope Valley, Llano, 165th St. East, 0.3 mi. N of Hwy 138, 0.2 mi. S of Ave. 'V 955 Comment
  RSA449224  Camissonia pallida subsp. pallida N. C. Cooper 1948-4-21 2691 Los Angeles Littlerock. 762 Comment
  RSA454092  Camissonia robusta M. B. Dunkle 1928-5-13 1937 Los Angeles Santa Catalina Island. Coach road. Talus slope near Wishbone Loop. Comment
  HSC101299  Camissonia strigulosa R. G. Swinney 2009-4-24 10486 Los Angeles Transverse Ranges; San Gabriel Mtns. / Mojave Desert: Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA0096981  Camissonia strigulosa Richard G. Swinney 2011-5-31 14906 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  LA32210  Camissoniopsis bistorta Peter H. Raven; 1959-4-18 13997 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 24 Comment
  LA46660  Camissoniopsis bistorta H. L. Wedberg; 1957-4-6 sn Los Angeles 0 Comment
  UC56472  Camissoniopsis bistorta Ernest Braunton 1902-4-29 215 Los Angeles North Pomona Comment
  CAS-BOT-BC160431  Camissoniopsis cheiranthifolia subsp. suffruticosa Geo. B. Grant 1898-2-4 s.n. Los Angeles Santa Monica Comment
  LA82394  Camissoniopsis cheiranthifolia subsp. suffruticosa O. H. Kappler; 1941-4-9 189 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  LA46204  Canbya candida Carl Epling; 1926-4-24 sn Los Angeles Antelope Valley, Palmdale Comment
  RSA187724  Cardamine californica var. integrifolia R. F. Thorne 1966-4-7 35962 Los Angeles Cherry Valley, Santa Catalina Island. 61 Comment
  RSA0021698  Carex Duncan S. Bell, Caitlin Elam 2013-6-24 5271 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA724712  Carex K. Dobry 1991-3-16 D- 805 Los Angeles Santa Monica Mts. Lower Cold Creek Cyn. Montifisher Property Comment
  UCR147800  Carex bolanderi Valerie Soza, LeRoy Gross 2000-6-13 996 Los Angeles San Gabriel Mountains, Spring along Burkhart Trail (FS trail 10W02), from Buckhorn Flat to Cooper Canyon, c. 0.8 mi along trail from Buckhorn Flat trailhead 1845 Comment
  SFV12650  Carex fracta M. L. Vincent 1964-6-24 582 Los Angeles San Gabriel Mountains Wrightwood Road at Old Ice Skating Rink on road to Wrightwood across from Camp Centinella Valley. 3 miles west of Wrightwood. 1980 Comment
  SD230106  Carex praegracilis Steve Boyd 1996-4-25 8675 Los Angeles Liebre Mountains, Knapp ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienega Canyon, south of Liebre Mountain. From gate near spring area along FSR 7N22 down to wetland south of the old dry pastures. 914 Comment
  CAS-BOT-BC117941  Carex schottii George Bernard Grant 1904-4-1 137 Los Angeles Pasadena. Comment
  CHSC106445  Carex spissa P. F. Zika; Nick Otting 2010-8-7 25306 Los Angeles South Coast (SCo). Base of San Gabriel Canyon, E side of Route 39, steep sunny seep, base of steep loose slope. 250 Comment
  RSA402600  Carpobrotus edulis Edwin Kline 1926-7-1 s.n. Los Angeles Redondo Beach. Comment
  SD144100  Carpobrotus edulis Scott D. White 1997-3-12 4731 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  CATA1097  Castilleja affinis subsp. affinis Mark L. Hoefs 1995-5-23 2051 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  RSA448690  Castilleja applegatei subsp. martinii Fordyce Griffiths Jr. 1910-07 3411 Los Angeles Hill and Mountain sides, San Gabriel Mountains. Comment
  UCR176113  Castilleja exserta Holly A. Wanamaker 2005-5-1 08 Los Angeles Western Mojave Desert, Antelope Buttes, off Hwy 138 at 110th St. West in Lancaster, c. 4 mi. SW of intersection on a dirt road, adjacent to the California Poppy Preserve 912 Comment
  UC1408988  Castilleja exserta Gary Wallace and D. Wilken 1966-3-18 138 Los Angeles near Thousand Oaks (off the Ventura Freeway); Russell Valley 274 Comment
  LA200849  Castilleja foliolosa Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA674788  Castilleja foliolosa Scott D. White, Kent Hughes 2000-5-16 7842 Los Angeles San Gabriel Mountains: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  LA211073  Castilleja foliolosa Arthur C. Gibson; Tarja Sagar 2010-1-26 5275 Los Angeles Northern boundary of Simi Hills above Hwy 118, Chatsworth. Comment
  RSA448734  Castilleja miniata subsp. miniata Bonnie C. Templeton 1932-7-20 5009 Los Angeles Big Pines Park. 2092 Comment
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Jan 31 2008
  RSA0091142  Castilleja minor subsp. spiralis R. G. Swinney 2011-5-24 14809 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  RSA448772  Castilleja minor subsp. spiralis Louis C. Wheeler 1932-6-26 879 Los Angeles San Gabriel Canyon. 335 Comment
  RSA448774  Castilleja minor subsp. spiralis Geo. L. Moxley 1915-7-4 362 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA600424  Castilleja minor subsp. spiralis Steve D. Boyd, Lauren Raz 1997-4-30 9617 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA747170  Castilleja minor subsp. spiralis Orlando Mistretta 1992-6-23 606 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  SEINET4671057  Casuarina Leila M. Shultz 1981-11-18 5729 Los Angeles Arcadia, Los Angeles County Arboretum, along North Baldwin avenue Comment
  SD181647  Caulanthus amplexicaulis Orlando Mistretta 1993-6-2 863 Los Angeles San Gabriel Mountains: Along road to Vincent Mine. 2009 Comment
  UC1871023  Caulanthus amplexicaulis T. S. Ross, Walter Appleby 1993-5-13 7109 Los Angeles San Gabriel Mountains; Western San Gabriel Mtns: May Canyon Saddle, San Fernando, Alt 3660ft 1115 Comment
  RSA678397  Caulanthus coulteri V. Soza, LeRoy Gross 2002-4-3 1384 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 564 Comment
  RSA60193  Caulanthus coulteri var. coulteri E. K. Balls, Lee W. Lenz 1950-3-28 14465 Los Angeles 1 mile east of junction of Hwys 99 and 138, just south of Gorman. 1159 Comment
  POM82722  Caulanthus heterophyllus var. heterophyllus P. A. Munz 1925-4-23 9451 Los Angeles San Gabriel Canyon. 488 Comment
  CAS-BOT-BC47913  Ceanothus arboreus Geo. B. Grant 1898-2-20 1588 Los Angeles Dry Hills, Avalon Comment
  RSA399156  Ceanothus arboreus Albert J. Perkins 1919-4-20 s.n. Los Angeles Catalina Island, road to summit. Comment
  SBBG78568  Ceanothus arboreus F. R. Fosberg 1932-5-6 8126 Los Angeles Big Wash Cyn, Avalon 20 Comment
  RSA0087385  Ceanothus crassifolius R. G. Swinney 2010-5-25 12974 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA398875  Ceanothus crassifolius Albert J. Perkins 1914-3-1 s.n. Los Angeles Santa Anita Canyon. Comment
  UCR205213  Ceanothus crassifolius R. G. Swinney 2008-3-26 8570 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  LA52214  Ceanothus crassifolius W. O. Griesel; April 1936 sn Los Angeles SANTA MONICA MOUNTAINS, Lake Elizabeth near Lake Sherwood. Comment
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Apr 22 2014
  UC1071096  Ceanothus cuneatus var. cuneatus G. T. Nordstrom 1935-3-20 384 Los Angeles 1 3/4 mi e Mouth of Snowy Creek; Tejon quad, Santa Barbara Nat. For. 1036 Comment
  UC7071124  Ceanothus cuneatus var. cuneatus A. Lewis Feb 1934 284 Los Angeles Vasquez Rocks 762 Comment
  SD72254  Ceanothus greggii var. perplexans Jeannette L. Huber 1969-5-25 974 Los Angeles Chilao, 1 mile north of Chilao Fire Station, San Gabriel Mountains 1524 Comment
  RSA250592  Ceanothus greggii var. vestitus Robert F. Thorne, R. Carolin, C. Davidson 1967-3-23 41579 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1372 Comment
  CAS-BOT-BC50080  Ceanothus insularis Peter H. Raven 1962-5-20 17783 Los Angeles Santa Catalina Island: Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off Comment
  RSA399906  Ceanothus integerrimus Anstruther Davidson s.n. Los Angeles San Gabriel Mountains. Comment
  CAS-BOT-BC50558  Ceanothus leucodermis C. F. Baker 1909-5-15 5346 Los Angeles Mts. near Claremont Comment
  POM2823  Ceanothus leucodermis W. R. Dudley, F. H. Lamb 1896-6-8 4347 Los Angeles Kings Canyon, Liebre Mts. Comment
  OBI69244  Ceanothus megacarpus John Knapp, Denise Knapp 2003-4-13 22 Los Angeles Catalina Island 131 Comment
  SD208595  Ceanothus megacarpus Peter H. Raven 1962-5-9 17704 Los Angeles San Clemente Island; just north of Gray. 366 Comment
  RSA399712  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-4-10 S- 4559 Los Angeles Santa Catalina Island. Pacific Divide. 200 Comment
  RSA399714  Ceanothus megacarpus var. insularis Reid V. Moran 1941-3-5 679 Los Angeles Salta Verde, Santa Catalina Island. 350 Comment
  CAS-BOT-BC51423  Ceanothus megacarpus var. megacarpus Geo. B. Grant 1901-3-18 s.n. Los Angeles Los Angeles Comment
  UC18366  Ceanothus megacarpus var. megacarpus Dr. A. Davidson 1895-1 Los Angeles Comment
  RSA399741  Ceanothus oliganthus H. L. Bauer 1932-03 15375 Los Angeles Chaparral N slope along road to Saddle Peak. 671 Comment
  JEPS42411  Ceanothus oliganthus var. oliganthus Frank W. Peirson 1918-6-30 113 Los Angeles Toll Road Mt. Wilson; , Toll Road 1280 Comment
  RSA399739  Ceanothus oliganthus var. oliganthus H. Wells 1968-3-17 10 Los Angeles Angeles National Forest. 3.7 miles north northeast junction of State Hwy. 118 and State Hwy. 2, on Angeles Crest Hwy. 762 Comment
  RSA549782  Ceanothus oliganthus var. oliganthus Wandalee Thompson 1964-4-11 5 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  RSA640256  Ceanothus oliganthus var. oliganthus Robert F. Thorne 1971-4-23 41462 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  UC1071162  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-2-26 307 Los Angeles 1/4 mi s San Fernando Pass; Santa Susana quad. 441 Comment
  UC1071164  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-2-17 289 Los Angeles Pico Canyon Santa Susana quad. 640 Comment
  LA82208  Ceanothus spinosus O. H. Kappler; 1941-3-30 161 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SD93161  Ceanothus spinosus Lucille Kempers 1955-2-15 235 Los Angeles Chaparral, Little Dalton Canyon, San Gabriel Mountains 609 Comment
  UCR16487  Ceanothus spinosus John Milbauer 1976-5-15 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., near Old Topanga Canyon Rd Comment
  UCD112858  Ceanothus vestitus T. E. Weier 1941-6-24 s.n. Los Angeles Angeles Crest. Comment
  SBBG59129  Cenchrus incertus R. Hoffmann 1931-9-28 Los Angeles Lancaster Comment
  CDA7248  Centaurea diluta T. C. Fuller 1963-6-26 10713 Los Angeles Ball field in SE corner of Imperial and Success Aves., Watts district, Los Angeles 0 Comment
  RSA654325  Centaurea melitensis Benjamen Rangel 1992-5-10 777 -46 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  SDSU6450  Centaurea melitensis Gerald Collier 1951-5-2 M 584 Los Angeles Barrington Avenue 3 miles north of Sunset Blvd. L.A 49. Comment
  UC472215  Centaurea melitensis J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena, Arroyo Seco 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
  JEPS46928  Centaurium venustum Chas. J. Lovell 1941-7-1 Los Angeles Altadena San Gabriel Mts. Comment
  POM155795  Centaurium venustum M. B. Dunkle 1928-4-22 1885 Los Angeles Santa Catalina Island; Buttonshell Beach. 23 Comment
  UC1123410  Centaurium venustum Jerome S. Horton 1937-6-14 465 Los Angeles San Dimas Canyon Pomona Quad. 457 Comment
  POM306309  Centaurium venustum Henry J. Ramsey 1937-6-6 1387 Los Angeles North Craig Ave, Altadena. Comment
  RSA747050  Centranthus ruber R. G. Swinney 2008-5-30 8873 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  SBBG62310  Centrostegia thurberi R. Hoffmann 1929-5-20 Los Angeles Redman Comment
  SD69472  Cerastium glomeratum Robert F. Thorne 1966-4-4 35759 Los Angeles Santa Catalina Island; southeast of Ballast Point and Catalina Harbor, Isthmus. 60 Comment
  RSA527630  Cerastium glomeratum Steve Boyd 1990-4-8 4386 -B Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA597736  Ceratophyllum demersum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3792 Los Angeles Vicinity of Crystal Lake 1677 Comment
  CAS-BOT-BC142133  Cercocarpus betuloides var. betuloides S. B. Parish 1916-3-28 10747 Los Angeles Eagle Rock Parck, Los Angeles Comment
  RSA453283  Cercocarpus betuloides var. betuloides Fordyce Griffiths Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA580306  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd 1994-5-25 7925 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  JEPS45587  Cercocarpus betuloides var. blancheae S. B. Parish 1916-3-31 10752 Los Angeles Descanso Canyon, Santa Catalina Island Descanso Canyon; Santa Catalina Island, Descanso Canyon Comment
  UC212376  Cercocarpus betuloides var. blancheae G. B. Grant 1906-9-1 7164 Los Angeles Santa Catalina Island Comment
  UC729809  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-5-10 3533 Los Angeles 100 yards se of summit of the Equestrian Trail (back of Avalon); Santa Catalina Island 304 Comment
  RSA14715  Cestrum nocturnum Theodore Payne 1935-7-20 s.n. Los Angeles Los Angeles. Comment
  LA31657  Chaenactis artemisiifolia Henry J. Thompson; 1959-5-31 2049 Los Angeles Santa Monica Mountains, Decker Road 0.7 mi. S of Ventura-Los Angeles county line 426 Comment
  UCR256184  Chaenactis artemisiifolia R. G. Swinney 2010-6-4 13070 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA93808  Chaenactis artemisiifolia F. W. Peirson 1919-7-3 242 Los Angeles San Gabriel Mountains: Lukens Peak 915 Comment
  UCR271576  Chaenactis glabriuscula R. G. Swinney 2011-5-19 14790 A Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg. SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  RSA0065464  Chaenactis glabriuscula D. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Avenue near Irwindale Avenue, Irwindale. Comment
  RSA595117  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8577 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N05, 6.2 road miles from jtn with 8N05. 1174 Comment
  RSA597047  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3831 Los Angeles ridgetop to the NW of Crystal Lake (ridge descending SSW from Mt. Islip) 2072 Comment
  SBBG65582  Chaenactis glabriuscula var. glabriuscula R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  PASA2196  Chaenactis santolinoides Frank W. Peirson 1928-6-2 Los Angeles South Fork Rock Creek, San Gabriel Mts. 1981 Comment
  RSA587510  Chaenactis stevioides Orlando Mistretta 1995-3-24 1561 Los Angeles San Gabriel Mountains: Carr Canyon. 1098 Comment
  UCR222724  Chaenactis stevioides R. G. Swinney 2009-5-12 10724 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA552590  Chaenactis stevioides D. Charlton 1991-5-18 5196 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  CAS-BOT-BC279726  Chaenactis xantiana Timothy S. Ross; Steve Boyd 1994-5-25 7888 Los Angeles Liebre Mountains. West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  RSA497609  Chaenactis xantiana A. C. Sanders, Barbara Pitzer, J. C. Lyman 1988-4-4 7746 Los Angeles Mojave Desertr, near Quartz Hill in Lancaster, S of Ave, at 37th Street West 747 Comment
  UC34663  Chaenactis xantiana H. M. Hall May 1 1902-May 3 1902 3073 Los Angeles vicinity of Elizabeth Lake; Antelope Valley, Elizabeth Lake 1066 Comment
  UC450831  Chaenactis xantiana Fay A. Macfadden 1931-4-22 2636 Los Angeles Lake Hughes Comment
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Jul 18 2007
  LA211081  Chamaebatia australis Tarja Sagar; 2011-4-29 0 s.n. Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Rocky Oaks. Comment
  POM2805  Chamaesyce melanadenia Wilfred Terry Reynolds 1900-6-12 s.n. Los Angeles Burbank Canon [canyon] S. California. 427 Comment
  RSA70400  Chamaesyce serpillifolia subsp. serpillifolia F. W. Peirson 1924-9-1 5171 Los Angeles Arrastre Flat. 2271 Comment
  CDA35267  Chamaesyce serpyllifolia Phillipson 1915-5-28 Los Angeles Sierra Madre. Comment
  UCR85823  Chenopodium T. S. Ross 1991-8-16 5802 Los Angeles San Gabriel Mtns., Big Tujunga Canyon, 1/5 mi due east of the confluence of Lucas Creek 918 Comment
  JEPS59717  Chenopodium ambrosioides Frank W. Peirson 1918-10-16 284 Los Angeles Pacoima Canyon 518 Comment
  POM17582  Chenopodium atrovirens P. A. Munz 1923-8-30 7659 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  RSA762383  Chenopodium berlandieri R. G. Swinney 2009-3-12 10099 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  CDA3045  Chenopodium botrys LeRoy Gross 1998-11-1 98 Los Angeles Southern base San Gabriel Mtns/ Verdugo Mountains region; Southern base San Gabriel Mtns.: Big Tujunga wash. East of 210 freeway, city of Sunland. Comment
  RSA596507  Chenopodium botrys L. C. Wheeler 1966-11-23 9139 Los Angeles Cogswell Reservoir, West Fork San Gabriel River. Comment
  RSA799900  Chenopodium botrys Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 3 Los Angeles Glendora Ridge Road 1288 Comment
  RSA596501  Chenopodium botrys L. C. Wheeler 1966-11-27 9160 Los Angeles San Gabriel Mountains. Sawpit Canyon just below confluence with Monrovia Canyon. 358 Comment
  LA97335  Chenopodium californicum Kei Nakai; Frank Almeda 1976-4-5 TCSP 1 12 76 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, Vicinity of Trippet Ranch 365 Comment
  RSA478487  Chenopodium californicum L. C. Wheeler 1932-4-21 646 Los Angeles Mandeville Canyon. 122 Comment
  UCR223046  Chenopodium californicum R. G. Swinney 2009-5-6 10666 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
  RSA250480  Chenopodium fremontii R. F. Thorne, John Dourley 1967-10-10 37342 a Los Angeles Angeles National Forest: Blue Ridge. 2256 Comment
  UCR210089  Chenopodium fremontii R. G. Swinney 2008-8-13 9397 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  RSA0065386  Chenopodium multifidum Jim Graham 1953-5-25 s.n. Los Angeles 15616 E. Lemon Dr., Whittier. 68 Comment
  RSA233617  Chenopodium murale R. F. Thorne 1970-3-6 39404 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  IRVC28164  Chenopodium murale A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26273 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  RSA151500  Chenopodium murale P. H. Raven 1962-4-10 17182 Los Angeles Near barracks, Wilson Cove, San Clemente Island 61 Comment
  POM306750  Chlorogalum pomeridianum Henry J. Ramsey, Henry J. Ramsey 1937-5-27 1648 Los Angeles N. Craig Avenue, Altadena. Comment
  UCR230245  Chorizanthe coriacea Dan S. Cooper 2011-4-26 411- 9 A Los Angeles Los Angeles Basin/San Gabriel Mtns. Foothills, Sunland, Big Tujunga Wash, between 210 Fwy and Foothill Blvd. 358 Comment
  IRVC26364  Chorizanthe coriacea A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26052 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  RSA0038402  Chorizanthe parryi Lee Haines 1935-7-4 s.n. Los Angeles San Dimas Lookout road, San Gabriel Mts. Comment
  JEPS58010  Chorizanthe spinosa Ralph Hoffmann 1931-5-4 332 Los Angeles 5 mi w Lancaster; w of Lancaster Comment
  RSA0118870  Chorizanthe spinosa A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32075 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
  RSA612107  Chorizanthe spinosa Steve Boyd, Kent Hughes 1998-5-5 10182 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  POM8780  Chorizanthe staticoides P. A. Munz, R. D. Harwood 1920-5-2 3822 Los Angeles San Dimas Canyon. 457 Comment
  UC1018183  Chorizanthe staticoides J. Warren 1952-5-27 Los Angeles Las Flores Canyon 548 Comment
  UC52638  Chorizanthe staticoides Samuel B. Parish June 1887 1988 Los Angeles San Francisquito Canyon Comment
  UCR195289  Chorizanthe staticoides Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1170 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 518 Comment
  UC1871265  Chorizanthe xanti T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3866 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  UCR157915  Chrysanthemum coronarium Robert J. Steers 2005-5-8 3 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  UC1980198  Chrysanthemum coronarium R. Old 2003-3-20 sn Los Angeles USA. CALIFORNIA. Los Angeles. Santa Monica / Los Angeles vicinity. Comment
  POM290506  Chrysothamnus nauseosus subsp. hololeucus Lyman Benson 1949-11-7 14280 Los Angeles 10 miles northwest of Big Pine. San Gabriel Mountains. Mojave Desert Drainage Area. 1753 Comment
  UCR277080  Cirsium occidentale R. G. Swinney 2011-6-7 15098 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
  LA35975  Cirsium occidentale var. californicum Peter H. Raven; 1959-5-9 Los Angeles Santa Monica Mountains, Medea Creek, Malibu Creek, near mouth 45 Comment
  POM18107  Cirsium occidentale var. californicum P. A. Munz 1923-5-25 6814 Los Angeles Big Rock Creek, San Gabriel Mts. Wash among willows. 1280 Comment
  RSA0068443  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA599579  Cirsium occidentale var. californicum Steve Boyd, Lauren Raz 1997-3-25 9306 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
  RSA165755  Cistanthe monandra Brian C. Miller 1963-6-15 s.n. Los Angeles Singing Springs, Mill Creek Canyon, San Gabriel Mountains. 1220 Comment
  POM780  Cistanthe monosperma I. M. Johnston 1917-7-31 1397 Los Angeles Head of San Antonio Canyon, upper transition zone 2439 Comment
  UCR46183  Cistus incanus Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns., The Pines picnic area on Rd. N3, north of La Canada-Flintridge 1524 Comment
  UCR48950  Citrus limon A. C. Sanders 1987-10-13 7421 Los Angeles Southern coast, El Segundo Dunes west of Los Angeles International Airport and Peshing Drive 38 Comment
  UCR172457  Clarkia Anuja Parikh, Nathan Gale 2005-7-20 2147 Los Angeles Santa Susanna Mtns., Newhall Ranch, uppermost Potrero Canyon, study area 21 488 Comment
  RSA422719  Clarkia bottae Anstruther Davidson 1907-01 s.n. Los Angeles Canyon [Edgemont?] Hollywood. Comment
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Nov 12 2014
  RSA453462  Clarkia bottae F. E. Durkee 1906-05 s.n. Los Angeles Los Angeles, Hollywood Canyon. Comment
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Nov 17 2015
  UCD21827  Clarkia bottae L. D. Gottlieb 2002-11-2 0203 Los Angeles On Topanga Canyon Rd. just north of Greenleaf Canyon Rd., on E side of highway. Comment
  UCSB4352  Clarkia bottae Ballard 1954-5-27 Los Angeles Little Dalton Canyon 350 Comment
  POM153240  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-6-2 1 Los Angeles 1/8 mile north of Newhall Tunnel. 152 Comment
  RSA600422  Clarkia cylindrica subsp. cylindrica Steve Boyd, Lauren Raz 1997-4-30 9622 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA453464  Clarkia deflexa H. de Forest, Johnstone 1925-5-16 s.n. Los Angeles N. of Los Felix Blvd. Comment
  POM68644  Clarkia dudleyana Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  RSA0119666  Clarkia dudleyana R. G. Swinney 2014-5-15 16535 Los Angeles San Gabriel Mountains: Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy 39, 0.15 mile east of Garcia Trailhead. 625 Comment
  RSA448261  Clarkia dudleyana Anstruther Davidson 1896-06 s.n. Los Angeles Elysian Park. Comment
  RSA276105  Clarkia epilobioides Mark Hoefs 1973-4-27 201 Los Angeles Santa Catalina Island; Wrigley Botanical Garden, Upper Avalon Canyon. 244 Comment
  RSA448267  Clarkia epilobioides M. B. Dunkle 1929-4-21 2141 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  CSUSB236  Clarkia purpurea J. Operskalski 1976-5-5 Los Angeles West Los Angeles, Mulholland Drive, vicinity of 405 freeway. Comment
  CAS-BOT-BC172542  Clarkia purpurea subsp. purpurea H. E. Hasse 1890-6-1 22 Los Angeles Near Soldiers House, foothills of Santa Monica Range Comment
  RSA600405  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Lauren Raz 1997-5-1 9643 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
  RSA656159  Clarkia purpurea subsp. quadrivulnera Joseph M. Keefe 1977-6-11 22151 Los Angeles Verdugo Mountains: Trail to Water Caves, south fork of Engleheard Canyon, one km south of Camp Max Straus, Glendale. 427 Comment
  SD3276  Clarkia purpurea subsp. viminea Ruth B. Randall 4/1925 213 Los Angeles Mint Canyon Comment
  CAS-BOT-BC165508  Clarkia unguiculata James L. Reveal 1988-5-17 6782 Los Angeles Along the Green Valley Road at the mouth of Spunky Creek just north of Bouquet Reservoir, 1.7 mile west of the Bouquet Canyon Road between Palmdale and Saugus, on steep limestone slopes above Spunky Creek 944 Comment
  LA45506  Clarkia unguiculata E. Lloyd; 1933-5-27 sn Los Angeles Santa Monica Mountains, Temescal Canyon Comment
  RSA41384  Clarkia unguiculata D. F. Howe 1947-5-4 s.n. Los Angeles Mint Canyon. Comment
  RSA448585  Clarkia unguiculata Martha Hilend 1928-5-27 332 Los Angeles Bouquet Canyon. Comment
  UCR258923  Clarkia unguiculata R. G. Swinney 2010-5-7 12615 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  RSA73344  Clarkia xantiana subsp. parviflora F. W. Peirson 1923-5-27 3535 Los Angeles small canyon on Pinyon Ridge, Rock Creek, north slope of San Gabriel Mountains 1296 Comment
  UCR126738  Claytonia parviflora A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26238 Los Angeles Western San Gabriel Mtns., Charlie Canyon, Castaic Mesa area, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch 366 Comment
  UCR217429  Claytonia parviflora R. G. Swinney 2009-2-26 10041 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR220265  Claytonia parviflora R. G. Swinney 2009-4-24 10500 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR276947  Claytonia parviflora R. G. Swinney 2010-5-21 12853 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  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
  SFV1190  Claytonia perfoliata M. L. Vincent 1963-5-7 342 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  SBBG118820  Claytonia perfoliata P. Robinson 1991-5-19 374 Los Angeles Sycamore Cyn, ca. 0.25 mi S of intersection of Beverly Blvd and Workman Mill, ca. 1.75 mi E of Workman Mill Rd (on trail into cyn) Comment
  UCR273549  Claytonia perfoliata subsp. mexicana R. G. Swinney 2011-6-22 15241 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  UC1922581  Claytonia perfoliata subsp. perfoliata Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1152 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 412 Comment
  RSA597776  Claytonia rubra subsp. rubra Steve Boyd, Lauren Raz 1997-3-14 9170 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, along Pacific Crest Trail on top of ridgeline east of Horse Camp Canyon. 1450 Comment
  CAS-BOT-BC91394  Clematis lasiantha Peter H. Raven; Robert F. Thorne 1964-5-7 19008 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains. Comment
  RSA386284  Clematis lasiantha M. D. Proctor 1944-4-9 828 Los Angeles Santa Anita Canyon Comment
  SDSU9998  Clematis lasiantha J. Godsil 1953-3-15 591 Los Angeles Baseline road, north-west of Claremont. 366 Comment
  RSA386256  Clematis ligusticifolia Robert Gustafson 1981-7-15 2343 Los Angeles Ballona Wetlands, Area 2. Comment
  LA32197  Clematis pauciflora Peter H. Raven; Henry J. Thompson 1958-10-11 13766 Los Angeles Santa Monica Mountains, Piuma Rd, 4.9 mi E of summit of Saddle Peak 365 Comment
  POM158344  Cleome isomeris M. B. Dunkle 1928-3-17 1759 Los Angeles Santa Catalina Island, Emerald Bay. Dry headland between Coves. Comment
  UCR125494  Collinsia heterophylla A. C. Sanders, Mark Elvin 2003-4-14 25977 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR189381  Collinsia heterophylla R. G. Swinney 1998-5-30 6177 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA408268  Collinsia heterophylla Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon. 560 Comment
  SBBG133151  Collinsia heterophylla B. C. Templeton 1934-4-26 4586 Los Angeles Huntington Palisades, Santa Monica Mtns Comment
  POM128776  Collinsia parryi Thomas Craig 1927-5-4 296 Los Angeles Cobal Canyon, above Claremont. Comment
  RSA563989  Colutea arborescens D. Kucera 1992-6-4 92 -1 Los Angeles Santa Anita Canyon, jct. of Sturdevant Falls Trail and trail to Sturdevant Camp & Mt. Wilson 549 Comment
  UCR136830  Colutea arborescens 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
  LA88614  Comarostaphylis diversifolia subsp. planifolia P. C. Everett; Robert F. Thorne 1965-6-24 35032 Los Angeles Santa Catalina Island, Santa Catalina Island: W slope of Orizaba Mt. near upper end of Escondido Canyon, near spring and water pipe line to Ranch Escondido 274 Comment
  SBBG107236  Constancea nevinii J. Rebman, J. Dunn 1996-4-29 3112 Los Angeles between Eel Cove and Eel Cove Cyn 50 Comment
  UC879347  Convolvulus arvensis F. R. Fosberg 1931-5-2 S 4745 Los Angeles Middle Ranch Dam Santa Catalina Island, Middle Ranch Canyon 200 Comment
  RSA588871  Conyza canadensis Orlando Mistretta 1994-9-21 1494 Los Angeles San Gabriel Mtns., Santiago Canyon, At jct. of Forest Rd. 4N20 with Santiago Creek. 1280 Comment
  RSA91009  Conyza canadensis F. W. Peirson 1921-10-9 5296 Los Angeles Tujunga Canyon, at west end of San Gabriel Mountains. 457 Comment
  RSA304574  Cordylanthus maritimus subsp. canescens A. C. Sanders 1980-8-17 1770 Los Angeles marshy area at the SW edge of Rosamond Dry Lake about 1/2 mi E of the E end of Ave. C 671 Comment
  UC729484  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-11 4008 Los Angeles 8 mi below Big Pines Park (on road to Little Rock); No. slope of San Gabriel Mts. 1371 Comment
  RSA549141  Cordylanthus rigidus subsp. setiger Tim S. Ross 1992-7-16 6698 Los Angeles San Gabriel Mountains: ridgeline between Iron Mountain and Condor Peak; 134 degrees SE, 1020m distant from Iron Mountain summit. 1479 Comment
  RSA710538  Coreopsis bigelovii LeRoy Gross 2005-5-3 2204 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  UC761896  Coreopsis bigelovii R. F. Hoover 1938-4-16 3120 Los Angeles near Bailey's; Upper Antelope Valley Comment
  UCR205828  Coreopsis bigelovii R. G. Swinney 2008-5-8 8796 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  CDA1015  Coreopsis gigantea D. G. Kelch 1991-3-17 1326 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  RSA16865  Coreopsis gigantea C. B. Wolf 1932-5-14 s.n. Los Angeles Between Avalon and Pebbly Beach, Santa Catalina Island. 30 Comment
  UC306179  Coreopsis gigantea George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 680 -2228 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC105653  Corethrogyne filaginifolia John Thomas Howell 1950-11-9 27483 Los Angeles 4 mi. s. of Newhall on Foothill Blvd. Comment
  RSA0110921  Corethrogyne filaginifolia R. G. Swinney 2011-9-22 15672 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area, north of lodge. 976 Comment
  UC485378  Corethrogyne filaginifolia R. L. Pendleton 1909-7-3 1394 Los Angeles canyon s Avalon; Santa Catalina Island 60 Comment
  POM156144  Corethrogyne filaginifolia var. filaginifolia L. R. Abrams 1904-9-2 4170 Los Angeles Elysian Park. Comment
  UC56496  Cornus sericea subsp. sericea Ernest Braunton Aug 1902 652 Los Angeles Oak Knoll Comment
  RSA600563  Cortaderia selloana L. C. Wheeler 1961-2-25 7800 Los Angeles San Gabriel Mountains. Arroyo Seco ca. 0.5 mile upstream from Oak Wilde. 579 Comment
  LA202381  Cotoneaster franchetii Arthur C. Gibson; 2003-9-3 4845 Los Angeles 167 Comment
  CAS-BOT-BC291376  Cotula coronopifolia Arthur C. Gibson; Linda Gibson 1972-3-4 2776 Los Angeles Near Zuma Beach, near Point Dume Comment
  CAS-BOT-BC427735  Crassula connata J. H. Thomas 1957-3-16 6501 Los Angeles Pt. Dume. About 18 miles due west of Santa Monica. 60 Comment
  UCR131444  Crassula connata Alison Lipman 1998-7-1 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  UCR91525  Crassula connata Scott D. White 1995-3-15 2583 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
  SD90278  Crassula connata Robert F. Thorne 1973-4-11 42800 Los Angeles San Clemente Islandp 0lateau in Middle Ranch area at head of Middle Ranch Canyon. 424 Comment
  UC50354  Crassula connata var. subsimplex H. M. Hall Apr., 1903 3731 Los Angeles Loma Vista Comment
  SD234294  Crepis acuminata R. G. Swinney 1998-9-7 6927 Los Angeles San Gabriel Mtns.: Pine Mountain Ridge, c. 1 mi. west of summit of Pine Mountain. 2658 Comment
  RSA394747A  Cressa truxillensis M. B. Dunkle 1929-10-20 2147 Los Angeles Howland's, Santa Catalina island. Comment
  UC729525  Crocanthemum scoparium var. vulgare Carl B. Wolf 1932-5-13 Los Angeles 3.5 mi (by road) from Avalon (on way to isthmus, s of largest reservoir); Santa Catalina Island 365 Comment
  CATA634  Crossosoma californicum Mark L. Hoefs 1991-4-16 1099 Los Angeles Santa Catalina Island: Renton Mine Road 249 Comment
  POM155646  Crossosoma californicum D. Meadows 1927-12-4 305 Los Angeles Avalon, Santa Catalina Island. Comment
  UCR139935  Crossosoma californicum L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  RSA479359  Croton californicus Elizabeth A. White 1928-05 s.n. Los Angeles El Segundo. Comment
  RSA673607  Croton californicus LeRoy Gross, Steve Fischer, Gary Wallace, et al. 2002-12-7 679 Los Angeles Limekiln Canyon. 518 Comment
  UCR95445  Croton californicus L. C. Wheeler 1967-4-30 9244 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  RSA562170  Crypsis schoenoides D. Charlton, L. Heide 1991-9-19 5613 Los Angeles Piute Ponds, Edwards AFB, Mojve Desert. 701 Comment
  UCR126359  Crypsis schoenoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27130 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  SBBG13011  Crypsis vaginiflora E. R. Blakley 1962-10-3 5377 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  UCR157748  Cryptantha A. C. Sanders, E. J. Lawlor 1988-4-3 7756 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  UCR276979  Cryptantha R. G. Swinney 2010-6-1 13154 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
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Feb 19 2020
  UCR190393  Cryptantha barbigera R. G. Swinney 2001-4-18 7903 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UC55364  Cryptantha clevelandii J. H. Barber 1897-4-4 116 Los Angeles Santa Monica Canyon Comment
  SEINET7881016 Image available Cryptantha clevelandii var. florosa F. R. Fosberg 1931-1 S 4558 Los Angeles Avalon Canyon; Just below Pacific Divide; Santa Catalina Island Comment
  RSA485307  Cryptantha decipiens Barbara Shervanick 1974-4-28 1242 Los Angeles Wash just west of Littlerock. 854 Comment
  RSA517860  Cryptantha decipiens Steve Boyd 1986-3-30 1515 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  UCD119768  Cryptantha decipiens Daryl Koutnik; Vickie Dawes 1978-4-6 265 Los Angeles south of Palmdale on State Highway 138 to Little Rock. 816 Comment
  UCR222722  Cryptantha echinella R. G. Swinney 2009-5-12 10726 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA159357  Cryptantha intermedia P. H. Raven 1962-4-12 19316 Los Angeles San Clemente Island. Near foot of canyon south of canyon below the Tomb, west side of island 107 Comment
  RSA653858  Cryptantha intermedia Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 889 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. 396 Comment
  UC78411  Cryptantha intermedia Rev. J. C. Nevin Los Angeles San Fernando Comment
  RSA527670  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4290 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  SEINET12280823  Cryptantha intermedia H. W. Graham 1927-1 9- 9 -6 Los Angeles Mt Lowe, to observatory on Mt Wilson near Los Angeles Comment
  RSA0076123  Cryptantha intermedia var. johnstonii Marion P. Harthill 1972-4-8 s.n. Los Angeles Glendora Mt. Rd. 1066 Comment
  RSA0116514  Cryptantha juniperensis A. C. Sanders, Helen Kennedy 2005-4-13 29418 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA611427  Cryptantha micromeres L. C. Wheeler 1936-6-1 4107 Los Angeles Tan Bark Flat, San Dimas Canyon. 853 Comment
  RSA499832  Cryptantha micromeres Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  LA36512  Cryptantha microstachys Peter H. Raven; David S. Verity 1960-5-7 15319 Los Angeles Santa Monica Mountains, Arroyo Sequit, ca 2 mi. from ocean 91 Comment
  RSA126670  Cryptantha microstachys P. H. Raven, H. J. Thompson 1959-5-5 14139 Los Angeles Mulholland Hwy, 1mile W of Las Virgenes Road, Malibu Creek drainage. 366 Comment
  RSA592878  Cryptantha microstachys L. C. Wheeler 1967-4-30 9221 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  RSA0069770  Cryptantha muricata LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6988 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
  RSA727247  Cryptantha muricata R. G. Swinney 1998-7-2 6198 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UCR272524  Cryptantha muricata R. G. Swinney 2011-7-7 15445 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCSB5591  Cryptantha muricata B., K.; T., R. 1944-6-13 Los Angeles San Dimas Experimental Forest, San Gabriel Mtns. Comment
  RSA0078903  Cryptantha muricata var. denticulata Jane Tirrell, Shirley Imsand 2012-7-6 LS 0091 Los Angeles San Gabriel Mountains region: South side Pacific Crest Trail approx. 0.5 mi east of Windy Gap. 2454 Comment
  JEPS116923  Cryptantha nevadensis David Gowen 2008-4-30 883 Los Angeles Southwest corner of Avenue D (Hwy 138) and 210th St. West. Comment
  RSA592354  Cryptantha nevadensis var. rigida L. C. Wheeler 1967-5-12 9429 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA702539  Cryptantha nevadensis var. rigida Scott D. White 2004-5-5 10286 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA763246  Cryptantha nevadensis var. rigida Justin M. Wood 2010-5-10 1644 Los Angeles Vicinity of Littlerock creek; just southwest of intersection of cheseboro rd. and Mt. Emma rd. 973 Comment
  UCD120011  Cryptantha pterocarya Geoffrey Levin 1975-5-17 515 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. 1158 Comment
  RSA596423  Cryptantha simulans T. S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3365 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1731 Comment
  SEINET3863437 Image available Cupressus guadalupensis var. forbesii Steve Boyd, L. W. Lenz 2001-5-2 10425 Los Angeles Transverse Ranges; Liebre Mountains region: Warm Springs MOuntain, along road to summit, just west of cutoff to Necktie Basin on slope between road and steep escarpment into Warm Springs Canyon.; 0 Comment
  RSA703162  Cuscuta Scott D. White 2004-8-11 10700 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  UCR259946  Cuscuta R. G. Swinney 2010-4-28 12425 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
  OBI74894  Cuscuta californica K. Dobry 1991-5-22 d 659 Los Angeles Soka Univ NE section. Santa Monica Mts. 1 mi E of Las Virgenes Rd off Mulholland hwy Comment
  RSA786895  Cuscuta californica Doris Bowers 1957-3-10 739 Los Angeles Rocky Point, LaVerne. 335 Comment
  SD126006  Cuscuta californica var. californica A. C. Sanders 1987-7-22 7173 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd. 29 Comment
  RSA409685  Cuscuta californica var. californica J. F. McBroom 1941-7-25 s.n. Los Angeles Pasadena foothills Comment
  RSA550695  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5707 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  LA202427  Cuscuta salina var. major Arthur C. Gibson; 2004-8-5 3399 Los Angeles Santa Monica Mountains, Malibu Lagoon 0 Comment
  RSA603176  Cuscuta subinclusa L. C. Wheeler 1931-8-3 S 38 Los Angeles San Gabriel Mts. 1/2 mi. E of Palmer Canyon. 731 Comment
  RSA603338  Cuscuta subinclusa Scott D. White 1997-5-22 5218 Los Angeles Azuza; alluvial fan E and W of levee; between Foothill Blvd. crossing and San Gabr. Valley Gun Club. 183 Comment
  UCR110901  Cyclospermum leptophyllum A. C. Sanders 1998-10-10 22256 Los Angeles Western Transverse Range; Santa Monica Mtns., Sta. Monica College, NW side near Pico Blvd. 46 Comment
  LA211276  Cyclospermum leptophyllum Arthur C. Gibson; 2005-9-22 5218 Los Angeles SIMI HILLS, Chatsworth Park South, Chatsworth. Comment
  RSA0097546  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18407 Los Angeles Claremont, 300m south of the SE base of Indian Hill. 394 Comment
  CAS-BOT-BC190266  Cynodon dactylon Geo. B. Grant 1900-4-17 s.n. Los Angeles Pasadena. Comment
  CHSC95470  Cynodon dactylon LeRoy Gross 2001-11-10 452 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freeway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  RSA177859  Cynodon dactylon R. F. Thorne, Percy C. Everett 1965-5-10 34511 Los Angeles Near upper end of Gallagher Canyon, Santa Catalina Island. 427 Comment
  RSA650403  Cynodon dactylon Toppenberg 1961-6-3 s.n. Los Angeles West Covina. Comment
  UC1108612  Cynodon dactylon Huron H. Smith 1912-5-26 5003 Los Angeles Avalon Canyon Santa Catalina Isl.; , Avalon Canyon 30 Comment
  RSA191160  Cyperus eragrostis Robert F. Thorne, M. Z. Thorne 1967-7-19 37135 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River 1250 Comment
  RSA365088  Cyperus esculentus L. C. Wheeler 1937-10-7 1427 Los Angeles Temple City. 107 Comment
  SD175759  Cyperus involucratus A. C. Sanders 1987-9-18 7359 Los Angeles El Segundo Dunes, W of Los Angeles Int. Airport and Pershing Dr., at E edge of subsite 37 38 Comment
  SEINET7582153 Image available Cyperus involucratus Louis C. Wheeler 1945-6-3 6061 Los Angeles San Gabriel Mountains, west fork, San Gabriel Canyon, 1 mile west of Fork. Comment
  CAS-BOT-BC113869  Cyperus niger var. capitatus Ernest Braunton 1902-8-1 654 Los Angeles Oak Knoll. Comment
  CATA1492  Dactylis glomerata Mark L. Hoefs, Steven A. Junak 1996-5-1 2698 Los Angeles Santa Catalina Island: By summit reservior 408 Comment
  RSA511000  Dalea mollis R. F. Thorne, Gary D. Wallace 1973-4-24 43455 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  UCR194071  Datisca glomerata R. G. Swinney, Dave Larson 1999-5-29 7215 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with East Fork 549 Comment
  UCR259385  Datura wrightii R. G. Swinney 2010-4-20 12282 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  SD53026  Daucus pusillus Peter H. Raven 1962-5-22 17824 Los Angeles Santa Catalina Island; open grassland beyond Emerald Bay. 120 Comment
  HSC47200  Deinandra clementina M. B. Dunkle 1939-5-28 8113 Los Angeles E side, Santa Barbara Island Comment
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May 16 2012
  UC284141  Deinandra clementina P. A. Munz 1923-4-8 6610 Los Angeles e coast San Clemente Island Comment
  CAS-BOT-BC299264  Deinandra fasciculata Peter H. Raven; Henry J. Thompson 1959-9-18 14451 Los Angeles University of California, west Los Angeles, Santa Monica Mountains 152 Comment
  CAS-BOT-BC299283  Deinandra fasciculata Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  UC34681  Deinandra fasciculata H. M. Hall 1902-5-12 3289 Los Angeles near Los Angeles; Howard Summit Comment
  UC166862  Delairea odorata Geo. B. Grant 1905-1-15 1194 Los Angeles Pasadena Comment
  RSA394506  Delphinium cardinale Thekla Mohr 1897-05 1789 Los Angeles Eaton Canyon. Comment
  UCR256832  Delphinium glaucum R. G. Swinney 2010-10-13 14018 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  CHSC95501  Delphinium parishii LeRoy Gross 2005-4-28 2152 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  RSA68785  Delphinium parishii F. W. Peirson 1932-4-17 9854 Los Angeles Below the Lovejoy Dam, Lovejoy Buttes, Mojave Desert. 762 Comment
  RSA639569  Delphinium parishii subsp. parishii Louis C. Wheeler 1967-5-23 9675 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  RSA659931  Delphinium parishii subsp. parishii Orlando Mistretta 1992-5-18 334 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA654438  Delphinium parryi Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 983 a Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, above Brace Canyon, W of junction with Stough Canyon Mtwy. 610 Comment
  UC1126034  Delphinium parryi A. D. Gifford 1934-4-23 142 Los Angeles 1 1/2 mi e and 1 mi n Castro Peak; Triunfo Pass Quadrangle Comment
  UCR124436  Delphinium parryi I. W. Clokey, B. C. Templeton 1929-1 4555 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA188303  Delphinium parryi Robert F. Thorne, M. Z. Thorne 1966-6-2 36531 Los Angeles Santa Catalina Island: Hay Press area 427 Comment
  RSA398715  Delphinium parryi H. Twining 1906-05 s.n. Los Angeles Elysian Park, Foothills Comment
  LA82452  Delphinium parryi subsp. parryi O. H. Kappler; 1940-5-12 9 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA604419  Delphinium parryi subsp. parryi Louis C. Wheeler 1936-6-6 4119 Los Angeles E side San Dimas Canyon near dam, San Gabriel Mountains. 457 Comment
  SEINET13094852  Delphinium patens subsp. hepaticoideum Joseph Ewan 1929-5-30 3497 Los Angeles Old Wilson Trail, mile below Orchard Camp. 915 Comment
  CAS-BOT-BC82822  Dendromecon harfordii Carl B. Wolf 1932-10-5 4227 Los Angeles Santa Catalina Island, 1/3 mile from Black Jack Mine on road to Middle Ranch. 457 Comment
  SD90467  Dendromecon harfordii Robert F. Thorne 1970-3-5 39362 Los Angeles Santa Catalina Island; north slope of Blackjack Mountain. 456 Comment
  LA200714  Dendromecon rigida Jonathan Sauer; H. N. Sauer, H. Bailey 1969-3-4 4387 Los Angeles Comment
  LA97390  Dendromecon rigida Frank Almeda; Kei Nakai 1976-4-5 TCSP 7 7 76 Los Angeles Santa Monica Mountains, Santa Ynez Canyon 213 Comment
  POM308284  Dendromecon rigida Henry J. Ramsey 1937-3-27 3099 Los Angeles Big Tujunga Wash Comment
  RSA549139  Dendromecon rigida Tim S. Ross 1992-7-16 6705 Los Angeles San Gabriel Mountains: ridgeline between Iron Mtn and Condor Peak; 3 degrees N, 550m distant from Condor Peak summit, on SE slope of 4949ft knoll 1491 Comment
  UCR128159  Dendromecon rigida Mark A. Elvin, Cathleen Weigand 2003-5-22 2898 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA600140  Deschampsia danthonioides Steve Boyd, Lauren Raz 1997-5-29 9921 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  UC857339  Descurainia pinnata I. W. Clokey and B. C. Templeton 1930-4-8 4658 Los Angeles w of Lancaster 400 Comment
  RSA725094  Descurainia pinnata subsp. halictorum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -28 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  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
  UC1234805  Desmazeria rigida Peter H. Raven 1962-5-22 17826 Los Angeles Santa Catalina Island, near mouth of Cherry Canyon Cherry Canyon; Santa Catalina Island, Cherry Canyon 60 Comment
  CAS-BOT-BC402273  Dicentra chrysantha Joseph Andorfer Ewan 1932-7-4 7592 Los Angeles Millards Canyon, San Gabriel Mts. 1188 Comment
  RSA624064  Dicentra formosa Louis C. Wheeler 1967-5-23 9668 Los Angeles San Gabriel Mountains: 100 meters south of highway, south of Soledad campground 640 Comment
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Nov 26 2007
  UCD95522  Dicentra formosa Orlando Mistretta 1976-5-15 19 Los Angeles 5.5 miles N of Compton on Highway 49. 914 Comment
  SFV699  Dichelostemma capitatum K. A. Wilson 1961-3-1 882 Los Angeles Santa Monica Mountains Mulholland Highway, about 1 mile west of Las Virgenes Road. Steep, rocky slope. 300 Comment
  UC535369  Dichelostemma capitatum Ira W. Clokey, B. Templeton Apr 1929 4440 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  SEINET12053837  Dichelostemma capitatum J. F. Bright, Wyman, C. 1931-1 5287 Los Angeles Antelope Valley Comment
  RSA654302  Dichelostemma capitatum subsp. capitatum Monica Acosta 1998-5-19 10 Los Angeles The Voorhi Ecological Reserve at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  SBBG53216  Dichondra occidentalis S. A. Junak with W. S. Davis 1978-4-16 SCa 46 Los Angeles ridge just W of Isthmus Cove Comment
  SDSU5660  Dichondra occidentalis Gerald Collier 1951-5-12 M 385 Los Angeles 3634 N. Muscatel Avenue, Rosemead. 10 miles east of county. Comment
  SEINET8044070 Image available Dimorphotheca sinuata R. G. Swinney 2010-1 11886 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  SEINET3829013  Diplachne fusca var. uninervia Tim Ross 1991-1 4168 Los Angeles Whittier Hills (Puente Hills, pro parte): seepage ca 300ft SW of Colima Rd x Camino del Sur. Comment
  SEINET13697755  Diplacus brevipes G. B. Grant 1901-1 424 Los Angeles Pasadena. Comment
  CAS-BOT-BC152898  Diplacus brevipes F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CAS-BOT-BC150657  Diplacus longiflorus Mrs. T. C. Pease 1910-5-7 s.n. Los Angeles Claremont Comment
  SD72760  Distichlis spicata F. R. Fosberg 1931-4-29 S 4726 Los Angeles Cottonwood Canyon, Santa Catalina Island, on flat 2 Comment
  RSA461356  Dodecatheon clevelandii subsp. insulare M. B. Dunkle 1929-3-3 2054 Los Angeles Hamilton Beach; Santa Catalina Island Comment
  SBBG38689  Dodecatheon clevelandii subsp. insulare R. Moran 1941-2-23 604 Los Angeles S of Johnson's Valley 200 Comment
  RSA640505  Draba corrugata var. corrugata L. C. Wheeler 1970-7-26 s.n. Los Angeles San Gabriel Mountains: North slope of Middle (Mt. ?) Hawkins. Comment
  RSA579477  Drymocallis glandulosa var. glandulosa Tim S. Ross, Steve D. Boyd 1994-5-10 7723 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  CAS-BOT-BC67950  Dryopteris arguta Le Roy Abrams 1899-3-1 219 Los Angeles Millard's Canyon Comment
  POM250500  Dryopteris arguta I. W. Clokey, E. G. Anderson 1935-5-9 6502 Los Angeles San Dimas Canyon Comment
  RSA177754  Dryopteris arguta R. F. Thorne, Percy C. Everett 1965-5-10 34493 Los Angeles Upper end of Gallagher Canyon; Santa Catalina Island 411 Comment
  UCR132304  Dryopteris arguta John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  POM305753  Dryopteris arguta Henry J. Ramsey, Henry J. Ramsey 1937-6-27 940 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  RSA692511  Dryopteris arguta H. de Forest 1931-06 17643 Los Angeles Ridge route NW part of L.A. county Comment
  RSA423480  Dudleya caespitosa Howard Mullins 1931-5-9 s.n. Los Angeles El Segundo Comment
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Dec 4 2018
  SEINET12218615  Dudleya caespitosa J. F. Bright, Wyman, C. 1931-1 5831 Los Angeles on the coast at Manhattan Beach Comment
  RSA0021415  Dudleya cymosa E. Gooley 1968-5-18 5 Los Angeles San Gabriel Mountains. Big Tujunga Canyon 762 Comment
  LA51378  Dudleya cymosa subsp. ovatifolia Peter H. Raven; Henry J. Thompson 1960-7-17 15556 A Los Angeles Santa Monica Mountains, Malibu Creek, along Malibu Creek canyon about 2 mi. above ocean 91 Comment
  RSA716906  Dudleya cymosa subsp. pumila LeRoy Gross 2006-5-30 2466 Los Angeles Along Whitaker Peak Road (6N53). West of Interstate Freeway 5 and the old Golden State Highway, near Whitaker Summit., Survey along road Southwest of the peak from Whitaker Peak Lookout along the northeast side of Whitaker peak to a saddle that divides Ruby Canyon and Canton Canyon drainages, short distance west from Road 6N53B. Between 34.56823N, 118.74161W, and 34.5822N, 118.73220W 1244 Comment
  UC1601947  Dudleya cymosa subsp. pumila I. M. Johnston 1917-7-15 1646 Los Angeles head South Fork Lytle River; San Antonio Mtns 1828 Comment
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Nov 23 2013
  CAS-BOT-BC411383  Dudleya lanceolata Geo. B. Grant 1902-5-27 s.n. Los Angeles Little Santa Anita Canyon 609 Comment
  CHSC35826  Dudleya lanceolata William Fugimoto 1971-5-9 48 Los Angeles Ca. 10 miles NE of Azusa, 2 miles So. Of Rincom Station on Hwy. 39 in San Gabriel Mtns. 365 Comment
  UC1127121  Dudleya lanceolata Jerome S. Horton 1937-6-14 461 Los Angeles San Dimas Wash Pomona Quadrangle 365 Comment
  RSA279080  Dudleya lanceolata R. F. Thorne, C. W. Tilforth 1971-4-9 41521 Los Angeles Below dam in San Dimas Canyon. 426 Comment
  UCR51829  Dudleya multicaulis L. C. Wheeler 1932-5-8 00695 Los Angeles San Gabriel Valley; San Jose Hills, Puddingstone Dam 305 Comment
  SD69601  Dudleya virens Robert F. Thorne, P. Everett 1965-6-23 34930 Los Angeles Santa Catalina Island; Upper Middle Ranch Canyon on rocky slope above dry stream bed. 274 Comment
  CAS-BOT-BC109762  Dudleya virens subsp. virens Jim Dice; Michael Donoghue; Terry Martin 1983-5-20 349 Los Angeles Santa Catalina Island, on bluff 0.1 km. east of beach at Little Harbor. 22 Comment
  SEINET478074  Dyssodia anthemidifolia H. S. Gentry, L. McGill 23312 1973-6-18 Los Angeles 4 miles south of Los Angeles Bay road fork along road to San Borgas Comment
  CAS-BOT-BC197142  Echinochloa crus-galli Louis C. Wheeler 1933-12-24 2341 Los Angeles San Dimas Canyon Dam, San Gabriel Mts. 426 Comment
  RSA0083136  Echinochloa crus-galli R. G. Swinney 2010-6-29 13379 Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  RSA188328  Echinochloa crus-galli R. F. Thorne 1966-5-31 36427 Los Angeles Santa Catalina Island: Avalon. 8 Comment
  UCD60841  Echinochloa crus-galli J. O. McMullin 1914-9-11 Los Angeles Casa Desierto. 13 miles E-NE Lancaster. 17 miles NE Palmdale. 17 miles SE Rosamond. Southern edge of what is now Edwards Air Force Base, per B. Crampton. Comment
  RSA509619  Eclipta prostrata L. C. Wheeler 1966-11-23 9148 Los Angeles Cogswell Reservoir, West Fork San Gabriel River. Comment
  SFV13510  Eclipta prostrata M. H. Grayum, D. L. Koutnik, B. Balch 1977-12-3 913 Los Angeles San Fernando Valley Basin of Chatsworth Reservoir. 244 Comment
  RSA202481  Ehrharta erecta R. L. Armacost 1963-5-7 1652 Los Angeles Santa Monica. Comment
  UCR126700  Eleocharis montevidensis A. C. Sanders, Mark Elvin 2003-8-7 27178 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  RSA594979  Eleocharis palustris Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-12 2360 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 6 Comment
  RSA365470  Eleocharis parvula L. C. Wheeler 1933-10-22 2192 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  UCR130502  Eleusine indica R. E. Riefner Jr. 2003-8-17 03- 338 Los Angeles South Coast, city of Long Beach, vicinity of Veterans Stadium, Conant St. near intersection with Faculty Ave. 19 Comment
  UCR130504  Eleusine indica R. E. Riefner Jr. 2003-10-5 03- 453 Los Angeles San Gabriel Mtns./S.G.Valley, City of Pasadena, Rose Bowl, Rosemont St. and Seco St. 258 Comment
  UCR127406  Elymus condensatus A. C. Sanders, M. S. Enright 2002-8-8 25573 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  UCR256182  Elymus condensatus R. G. Swinney 2010-6-4 13072 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UC1922845  Elymus elongatus Scott D. White, Jennifer H. Jones 2005-6-23 11148 Los Angeles San Gabriel Mountains: Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon. Acton 7.5' Quad. Comment
  RSA772299  Elymus elymoides R. G. Swinney 2009-4-28 10536 Los Angeles summit of Mt. Emma 1585 Comment
  SBBG59331  Elymus elymoides M. N. Ackley 1927-5-8 26 Los Angeles Little Rock foothills 914 Comment
  SEINET10564688  Elymus elymoides Adolph D. E. Elmer Elmer 4166 Los Angeles Acton. Comment
  RSA0083012  Elymus glaucus R. G. Swinney 2010-9-7 13730 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  UC121373  Elymus glaucus T. S. Brandegee 1890-5-21 56 Los Angeles Santa Catalina Island Comment
  UC53400  Elymus glaucus Dr. A. Davidson Los Angeles Lancaster Comment
  UCD169402  Elymus glaucus R. G. Swinney 2008-7-2 9133 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  RSA0091868  Elymus glaucus Steven A. Junak, Ralph N. Philbrick 2001-5-18 SCa- 1547 Los Angeles Santa Catalina Island. S side of Fern Canyon (one of the middle S forks of Cottonwood Canyon), above first creek crossing in road up Fern Canyon, ca. 0.5 mile upstream from junction with Cottonwood Canyon Road. 182 Comment
  CAS-BOT-BC206745  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2269 Los Angeles In the vicinity of Strawberry Valley - San Jacinto Mountains 1828 Comment
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Oct 10 2020
  RSA712467  Elymus multisetus LeRoy Gross 2005-5-19 2294 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  UCR187143  Elymus multisetus A. C. Sanders 2006-5-16 32314 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA115039  Emmenanthe penduliflora E. K. Balls 1955-7-25 20980 Los Angeles Claremont, San Gabriel Mts. Comment
  SFV16773  Emmenanthe penduliflora J. M. Kneitel 1997-3-19 s. n. Los Angeles Santa Susana Mountains Towsley Canyon, Ed Davis Park. 460 Comment
  SD251747  Emmenanthe penduliflora M. B. Dunkle 1939-4-6 7302 Los Angeles San Clemente Island. Mosquito Harbor. On hillside following recent burn. Comment
  RSA0061136  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6841 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  CHSC95795  Encelia actoni LeRoy Gross 2005-5-3 2254 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  RSA0108885  Encelia actoni R. G. Swinney 2010-5-21 12871 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA679207  Encelia farinosa Michael Denslow, Steve Boyd 2003-5-7 1086 Los Angeles Lower Glendora Ridge Motorway (1N26) above Azusa. 518 Comment
  SFV21074  Encelia farinosa L. Gross 2001-3-16 342 Los Angeles Verdugo Mountains North side of mountains on Whiting Woods Mountainway, dirt road at end of Whiting Woods Road, in Verdugo City. Road starts at Henderson Canyon and climbs to the main crest. 701 Comment
  LA90663  Ephedra californica Ernie Small; 1967-5-7 sn Los Angeles Antelope Valley, S end of Edwards Air Force Base, on 140th St Comment
  RSA384596  Ephedra nevadensis Ora M. Clark 1929-3-2 1906 Los Angeles Desert plains. w. Landcaster, Calif. Comment
  UCR255822  Ephedra nevadensis R. G. Swinney 2010-5-12 12770 Los Angeles San Gabriel Mountains/West Mojave Desert, Carr Canyon above Mt. Emma Rd. crossing, 0.6 miles east of Littlerock Creek confluence with Carr Cyn. 945 Comment
  UCR276941  Ephedra nevadensis R. G. Swinney 2010-5-21 12870 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  UCR129929  Ephedra viridis Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1134 Los Angeles San Gabriel Mtns, Santiago Canyon 1143 Comment
  UCR189387  Ephedra viridis R. G. Swinney 1998-6-12 6184 Los Angeles San Gabriel Mountains, SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir 1500 Comment
  UC1134408  Ephedra viridis R. St. John 1930-6-9 155 Los Angeles near Plot #41 Santa Barbara National Forest, Tejon Quadrangle Comment
  UCR132295  Epilobium canum John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UCR141591  Epilobium canum June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2317 Comment
  LA206177  Epilobium canum Willis H. Wheeler; 1929-11-17 sn Los Angeles San Gabriel Mountains, Thompson Creek 365 Comment
  CAS-BOT-BC166200  Epilobium canum subsp. canum Chester Dudley 1931-7-1 s.n. Los Angeles Sepulveda [Canon] Canyon Comment
  RSA588496  Epilobium canum subsp. canum Geo. L. Moxley 1918-10-26 s.n. Los Angeles Big Dalton. 640 Comment
  SBBG13499  Epilobium canum subsp. canum E. R. Blakley 1962-10-3 5384 Los Angeles near Wrigley Reservoir at the summit of the island rd 426 Comment
  UC205219  Epilobium canum subsp. canum J. Grinnell 1905-11-25 Los Angeles foothills near Glendora Comment
  RSA0098613  Epilobium canum subsp. latifolium R. G. Swinney 2011-9-27 15715 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  RSA733585  Epilobium canum subsp. latifolium R. G. Swinney 1998-7-24 6561 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge. 2200 Comment
  SBBG60146  Epilobium canum subsp. latifolium R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA0113228  Epilobium ciliatum R. G. Swinney 2010-9-30 13925 Los Angeles San Gabriel Mountains; 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0096794  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-9-27 15697 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  RSA187705  Epilobium ciliatum subsp. ciliatum Robert F. Thorne 1966-9-14 36634 Los Angeles Santa Catalina Island: lower Middle Ranch Canyon, ca. 3/4 mile above Ben Weston Beach 53 Comment
  RSA311281  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, M. Z. Thorne 1969-7-10 38416 Los Angeles Along Mescal Creek. 2043 Comment
  RSA0127464  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1967-7-18 10103 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  UCR204284  Epilobium glaberrimum R. G. Swinney 2001-9-16 8170 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  HSC87173  Epipactis gigantea M. Hitchcock 1918-7-28 31 Los Angeles Pacoima Canyon Comment
  RSA732765  Epipactis gigantea Richard G. Swinney 2000-5-25 7783 Los Angeles Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon. 238 Comment
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Nov 15 2010
  RSA229749  Epipactis gigantea Wesley O. Griesel 1962-4-17 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 549 Comment
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Jul 5 2010
  CAS-BOT-BC57309  Equisetum laevigatum Louis C. Wheeler 1933-10-20 2175 Los Angeles San Gabriel River 76 Comment
  SBBG32149  Equisetum laevigatum R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -225 Los Angeles lower Middle Ranch Cyn crk Comment
  UC122522  Equisetum laevigatum Samuel B. Parish 1895-11-28 3612 Los Angeles Arroyo Seco Pasadena Comment
  UCR239950  Equisetum laevigatum R. G. Swinney 2009-11-16 11641 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  SBBG128764  Equisetum telmateia subsp. braunii M. L. Hoefs 1995-5-23 2075 Los Angeles lower Middle Ranch Cyn, near rd to Bullrush Cyn 115 Comment
  RSA684711  Equisetum telmateia var. braunii Blanche Trask 1900-07 s.n. Los Angeles Avalon, Santa Catalina Islands Comment
  RSA684717  Equisetum telmateia var. braunii T. S. Clare 1921-3-28 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  UCSC000028  Eragrostis cilianensis H. S. Yates 1936-8-28 6357 Los Angeles Five miles southeast of Palmdale, along roadside - Elizabeth Lake 814 Comment
  RSA732721  Eremalche exilis A. C. Sanders, Tricis Wotipka, Mark A. Elvin 2003-4-28 26140 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  CAS-BOT-BC174385  Eremogone macradenia var. arcuifolia Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10011 Los Angeles Liebre Mountains Region: Western summit of Liebre Mountain, a distinctive, rounded knoll south of head of Cold Canyon 1706 Comment
  RSA0089507  Eriastrum densifolium R. G. Swinney 2011-6-30 15416 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR238099  Eriastrum densifolium Mark A. Elvin, Margie P. Elvin, K. Elvin, A. Elvin 2003-7-1 2965 Los Angeles Western Transverse Range; Santa Susana Mountains, crest of the mountains at head of Salt Creek, 6.5 km SW of Stevenson Ranch 927 Comment
  UCR126223  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-22 140 Los Angeles Mojave Desert/San Gabriel Mtns., County Hwy S4 (204th St. East), 7.4 km south of Hwy 138, northern mouth of Grandview Canyon, along west side of Hwy S4 1396 Comment
  UCR209260  Eriastrum densifolium subsp. densifolium R. G. Swinney 2008-10-7 9474 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  RSA0107980  Eriastrum densifolium subsp. elongatum Thos. Craig 1933-10-9 2031 Los Angeles Near Vincent. 1067 Comment
  JEPS123266  Eriastrum rosamondense David Gowen 2005-5-21 351 Los Angeles Hwy 138 (West Ave. D) west of Lancaster. Areas on both sides of the road at the intersection with 30th St. West. Comment
  RSA586659  Eriastrum sapphirinum Orlando Mistretta 1995-6-1 1738 Los Angeles Carr Canyon, near mouth of canyon 945 Comment
  UCR219943  Eriastrum sapphirinum R. G. Swinney, Jane Strong 2009-4-21 10408 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UC909058  Eriastrum sapphirinum Herbert L. Mason 1948-6-15 3787 Los Angeles cirque slide s Baldy; San Antonio Wash 2194 Comment
  JEPS46231  Ericameria ericoides A. E. Wieslander 1928-4-10 Los Angeles Tujunga Canyon San Gabriel Mts., Tujunga Canyon Comment
  OBI44900  Ericameria linearifolia David J. Keil, V. L. Holland, Michael Stiles, and Francis Villiablanca 1987-5-1 20060 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  SEINET7837778  Ericameria linearifolia Steve Boyd, Ross, Timothy 1997-3-21 9230 Los Angeles Liebre Mountains. Portal Ridge. Upper Broad Canyon ca 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A. Comment
  UC74059  Ericameria linearifolia J. Burtt Davy May 9 1896-May 24 1896 2296 Los Angeles Llano Verde Antelope Valley, Llano Verde (foothills at Mr. Bell's) Comment
  SFV16470  Ericameria nauseosa P. M. Schiffman, J. A. Matos 1996-10-22 s. n. Los Angeles San Gabriel Mountains Along the old Ridge Route between Castaic Lake and Highway 138. Comment
  POM304836  Ericameria parishii var. parishii Henry J. Ramsey, Henry J. Ramsey 1937-9-2 212 Los Angeles Johnny Canyon, Angeles Crest Highway. 1524 Comment
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Dec 9 2014
  UCR209905  Ericameria parryi R. G. Swinney 2008-7-24 9272 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  RSA381394  Ericameria pinifolia R. F. Thorne, M. Z. Thorne 1966-11-1 41378 Los Angeles San Antonio Canyon, near Mt. Baldy Village Comment
  SBBG120056  Ericameria pinifolia A. C. Sanders 2003-5-22 26822 Los Angeles boundary of Irwindale and Azusa, E of Irwindale Ave, S of Interstate 210 (which bisects pit) and N of Santa Fe Railroad, E of the San Gabriel River channel 171 Comment
  UC1971445  Ericameria pinifolia Steve Boyd 1998-10-7 10298 Los Angeles LIEBRE MOUNTAINS REGION: Bouquet Canyon, east of Bouquet Reservoir along Spunky Canyon Road just west of junction with Bouquet Canyon Road. Comment
  UCR127174  Ericameria pinifolia A. C. Sanders, Mark A. Elvin 2003-6-20 27006 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  RSA0039052  Ericameria teretifolia R. G. Swinney 2009-11-16 11648 Los Angeles Big Rock Wash, 1.2 miles south of Pallett Creek Rd. & Valyermo Rd. junction, 50 m west of Valyermo Rd. 1079 Comment
  UCR194049  Erigeron breweri R. G. Swinney 1998-8-17 6775 Los Angeles San Gabriel Mtns., Gold Dollar Mine Trail, 0.2 mi. NE of upper Coldwater Canyon 1488 Comment
  CAS-BOT-BC294821  Erigeron breweri var. covillei Clare B. Hardham 1959-6-16 4870 Los Angeles Between Pear Blossom and Llano Comment
  SBBG112918  Erigeron canadensis S. A. Junak with K. Kirkland, M. Bushman 1998-10-21 SCa 813 Los Angeles above pier at W end of Moonstone Cove, along trail to White's Landing 18 Comment
  RSA774606  Erigeron foliosus R. G. Swinney 2009-7-29 11413 Los Angeles Pacifico Mountain summit 2134 Comment
  SEINET7837895  Erigeron foliosus Steve Boyd, Raz, Lauren 1997-6-18 9971 Los Angeles Liebre Mountains Region. Portal Ridge. Open ridgeline about junction of Juday Truck Trail and Troedel Motorway. South of Troedel Spring. Comment
  UCR205266  Erigeron foliosus R. G. Swinney 2005-8-15 8490 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  RSA656243  Erigeron foliosus Joseph M. Keefe 1977-6-11 22127 Los Angeles Verdugo Mountains; Glendale. South fork of Engleheard Canyon, one Km south of Camp Max Straus. 427 Comment
  SFV3881  Erigeron foliosus var. foliosus M. L. Vincent 1962-7-10 274 Los Angeles Santa Monica Mountains Dry Canyon, 0.5 miles west of Old Topanga Canyon Road. 360 Comment
  UC895842  Erigeron foliosus var. foliosus John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island, Avalon Comment
  RSA454987  Eriodictyon crassifolium L. E. Hoffman 1930-5-8 s.n. Los Angeles River wash, Sunland Comment
  SJSU5664  Eriodictyon crassifolium W. Savage 1965-9-9 493 Los Angeles Santa Susana Pass Rd 2 mi E of Ventura-Los Angeles Co. line 457 Comment
  RSA567526  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3922 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA774175  Eriodictyon trichocalyx R. G. Swinney 2009-7-22 11323 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  UCR223749  Eriodictyon trichocalyx R. G. Swinney 2009-6-24 11229 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA455076  Eriodictyon trichocalyx var. trichocalyx Robert Gustafson 1963-5-17 s.n. Los Angeles ca 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Hwy. 1585 Comment
  RSA792632  Eriogonum Robert F. Thorne, M. Z. Thorne 1969-7-10 38445 Los Angeles C. 1 mile west of Wrightweed. 1951 Comment
  RSA5832  Eriogonum angulosum Carl B. Wolf 1932-10-21 4362 Los Angeles 0.5 mi. east of Palmdale. 808 Comment
  IRVC28799  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2003-8-7 27172 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  SD178198  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2002-6-20 25253 Los Angeles Northeast 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. 289 Comment
  RSA681843  Eriogonum cithariforme Scott D. White, Michael Honer 2003-6-18 9561 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  UCR162298  Eriogonum covilleanum Anuja Parikh, Nathan Gale 2004-6-2 2034 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  RSA659866  Eriogonum davidsonii Orlando Mistretta 1992-8-20 758 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  CHSC95332  Eriogonum elongatum LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 288 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 914 Comment
  RSA766426  Eriogonum elongatum F. R. Fosberg, Joseph A. Ewan 1931-8-13 4945 Los Angeles Pine Flats. N Fork San Gabriel River. 1677 Comment
  RSA766448  Eriogonum elongatum Joseph A. Ewan 1927-9-20 1516 Los Angeles At roadside Higgins Canyon, Santa Monica Mts. Comment
  SD108962  Eriogonum elongatum var. elongatum James Henrickson 1972-11-2 8083 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. 372 Comment
  UCD99958  Eriogonum elongatum var. elongatum J. N. Hogue; J. Dilley 1999-8-11 148 .2 Los Angeles Verdugo Mountains, La Tuna Canyon, along tributary on south side of canyon. 550 Comment
  CAS-BOT-BC249769  Eriogonum elongatum var. elongatum Frank W. Peirson 1924-12-5 5385 Los Angeles Along rail at many points from here down; Little Santa Anita Trail, San Gabriel Mts. Comment
  OBI11112  Eriogonum fasciculatum Ron Pecoff 1961-3-27 s.n. Los Angeles Stunt Rd off Mulholland hwy, Santa Monica Mts 366 Comment
  RSA0073281  Eriogonum fasciculatum subsp. foliolosum Bonnie C. Templeton, H. J. Andrews 1938-6-22 1701 Los Angeles Mint Canyon. Comment
  UCR261771  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-2-27 11740 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  LA52259  Eriogonum fasciculatum var. fasciculatum Mary Reynolds; 1937-5-5 186 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  SEINET11263911  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1972-10-20 12781 Los Angeles San Gabriel Mountains. Cow Canyon Saddle.; 0 1372 Comment
  CAS-BOT-BC250119  Eriogonum fasciculatum var. polifolium Roxana S. Ferris 1918-6-10 943 Los Angeles 5 miles south of Lancaster on highway Comment
  RSA601131  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-6-15 9819 Los Angeles San Gabriel Mountains: Fremont Pass. Land Grant 564 Comment
  RSA660835  Eriogonum fasciculatum var. polifolium Gerald Braden 1988-5-22 33 Los Angeles Strawberry Peak. Comment
  RSA708713  Eriogonum gracile Scott D. White, Justin M. Wood 2005-9-22 11225 Los Angeles Liebre Mountains: Tapia Canyon: ca. 2 air miles east of the Interstate 5 / Old Ridge Rt. junction. 427 Comment
  RSA578118  Eriogonum gracile var. gracile Tim S. Ross, S. D. Boyd 1994-9-20 8235 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  RSA596980  Eriogonum gracile var. gracile Steve Boyd, Lauren Raz 1996-9-24 8954 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA0025355  Eriogonum hirtiflorum Anuja Parikh, Nathan Gale 2010-6-18 3324 Los Angeles TR, SnGb, Upper Big Tujunga Canyon, 1.0 km N of State Highway 2 (SH 2, Angeles Crest Hwy), 0.1 km W of Upper Big Tujunga Canyon Road, under power lines, near access road. 1283 Comment
  UCR20170  Eriogonum microthecum var. corymbosoides T. P. Krantz 1979-9-14 s.n. Los Angeles San Gabriel Mtns., Immediately north of Big Pines Station on the road to Table Mountain Comment
  CAS-BOT-BC268774  Eriogonum mohavense A. D. E. Elmer 1902-6-1 3651 Los Angeles Lancaster Comment
  RSA771649  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2009-5-20 10802 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA393609  Eriogonum nudum var. pauciflorum Bonnie C. Templeton 1932-7-21 5046 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  RSA567254  Eriogonum nudum var. pauciflorum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3865 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA780691  Eriogonum ordii Sandy Leatherman, Pam De Vries 2011-4-28 2011 -9 Los Angeles Transverse Ranges; Liebre Mountains region; directly north of Esguerra Road, 2,220 meters east of Boquet Canyon Road in Santa Clarita. 491 Comment
  UCR95196  Eriogonum parishii L. C. Wheeler 1946-8-28 6275 Los Angeles San Gabriel Mtns., Mescal Creek, just about (S of) Appletree Flat 1884 Comment
  UCR45041  Eriogonum parvifolium A. C. Sanders 1986-7-30 6826 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  UCSB1388  Eriogonum parvifolium Crum, Charles 1958-7-19 Los Angeles Point Dume; near Los Angeles Comment
  JEPS56459  Eriogonum pusillum Frank W. Peirson 1921-5-19 2406 Los Angeles Little Rock Creek San Gabriel Mountains, Little Rock Creek Comment
  SBBG65222  Eriogonum pusillum R. Hoffmann 1928-7-7 Los Angeles between Lang and Acton Comment
  RSA524638  Eriogonum roseum Tim S. Ross, S. D. Boyd 1990-6-6 2813 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  CAS-BOT-BC267602  Eriogonum saxatile H. E. McMinn 1926-7-22 1772 Los Angeles Bear Flat Trail, Mt. San Antonio Comment
  CAS-BOT-BC267617  Eriogonum saxatile Geo. B. Grant 1906-6-17 6115 Los Angeles Summit Mt. Willson Comment
  UCR266372  Eriogonum thurberi D. E. Bramlet, Allison D. Rudalevige 2009-4-30 4383 Los Angeles Transverse Range; San Gabriel Mtns., lower Big Tujunga Creek Wash, NE of Foothill Blvd. 363 Comment
  UCR194031  Eriogonum umbellatum var. minus R. G. Swinney 1998-9-7 6926 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1/4 mi. west of summit of Pine Mountain 2817 Comment
  UCR208186  Eriogonum wrightii subsp. subscaposum C. B. Wolf 1932-10-21 4364 Los Angeles San Gabriel Mountains, eight miles below Big Pines Park on road to Big Rock Creek 1372 Comment
  RSA250384  Eriogonum wrightii var. subscaposum Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42247 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  POM307843  Eriophyllum confertiflorum Henry J. Ramsey 1938-6-11 2731 Los Angeles Eaton Canyon Park. Comment
  POM357938  Eriophyllum confertiflorum Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles La Crescenta Comment
  RSA725896  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  UCD132154  Eriophyllum confertiflorum J. E. Law 1923-4-3 247 Los Angeles Altadena. Comment
  CAS-BOT-BC297962  Eriophyllum confertiflorum Louis C. Wheeler 1932-4-30 667 Los Angeles Mandeville Canyon, Santa Monica Mts 152 Comment
  POM357900  Eriophyllum confertiflorum var. confertiflorum Anstruther Davidson 1906-6-3 1470 Los Angeles San Gabriel Mountains. Comment
  UC750567  Eriophyllum confertiflorum var. confertiflorum Lewis S. Rose 1946-7-23 46237 Los Angeles above, Mulholland Dr Hollywood; Santa Monica Mts. 365 Comment
  UCR273400  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-4-26 14493 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
  RSA21242  Eriophyllum pringlei C. B. Wolf 1937-4-28 8513 Los Angeles Mojave Desert, Antelope Valley, 4.5 miles S of Lancaster. 716 Comment
  SD41966  Eriophyllum pringlei Darley F. Howe 1947-5-5 1539 Los Angeles Palmdale Comment
  UC566751  Eriophyllum wallacei H. L. Mason 1926-4-26 3019 Los Angeles Little Rock Comment
  UCR189659  Eriophyllum wallacei R. G. Swinney 1998-5-16 6069 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  SBBG131709  Erodium botrys S. A. Junak 1999-5-21 SCa 998 Los Angeles just S of main rd intersection, along rd to Coffee Pot Cyn 496 Comment
  CDA4364  Erodium botrys L. C. Wheeler 1947-4-13 6467 Los Angeles 1/4 mile upstream from Rosemead Boulevard near El Monte, Rio Hondo. 0 Comment
  RSA650521  Erodium botrys Harvey Kennedy 1949-2-8 s.n. Los Angeles Cal Poly Athletic Field, San Dimas. 244 Comment
  UCR223688  Erodium cicutarium R. G. Swinney 2009-6-24 11257 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  RSA226191  Erodium cicutarium Gary D. Cromwell 1971-4-16 509 Los Angeles Mystic Canyon, 2 mi NE of Glendora Comment
  RSA650527  Erodium cicutarium Richard A. Goodfellow 1948-2-29 s.n. Los Angeles Corner of Wilson and Glendale Ave., Glendale 174 Comment
  UCR225786  Erodium macrophyllum Dave Silverman, Cindy Hopkins 2007-4-17 6707 Los Angeles SW Tehachapi Mtns, Tejon Ranch, 1.2 km due south of Oso Canyon, 2.4 km south of the Kern County line, and 4.2 km NE of Hwy 138 and I-5 junction 1101 Comment
  RSA70493  Erodium moschatum F. W. Peirson 1919-2-28 2023 Los Angeles At Frank Peirson residence, 1085 New York Drive, Altadena Comment
  SFV20814  Erysimum capitatum L. Gross, N. Fraga 2002-4-4 520 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 457 Comment
  RSA0011211  Erysimum capitatum Eileen McCollum 1932-4-10 s.n. Los Angeles El Segundo sand dune. Comment
  UCSB10687  Erysimum capitatum var. capitatum Lloyd, Robert 1959-3-26 Los Angeles Cobal Canyon, north of Claremont, Calif.; San Gabriel Mt. Range; Pacific Ocean drainage area 396 Comment
  RSA530309  Erysimum capitatum var. capitatum N. C. Cooper 1945-5-1 2185 Los Angeles Santa Monica Mtns 762 Comment
  POM547  Erysimum suffrutescens L. R. Abrams 1901-04 1200 Los Angeles Ballona Harbor, Los Angeles Comment
  RSA226212  Eschscholzia Gary D. Cromwell, David W. Wheat 1971-4-30 592 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora. 534 Comment
  CAS-BOT-BC402728  Eschscholzia caespitosa L. R. Abrams 1901-6-1 1700 Los Angeles Santa Monica Mts Comment
  LA200732  Eschscholzia californica A. H. Lange; 1951-4-27 sn Los Angeles Santa Monica Mountains, Point Dume Comment
  SD113754  Eschscholzia californica Darley F. Howe Apr 1915 57 Los Angeles Claremont Comment
  RSA3548  Eschscholzia ramosa Carl B. Wolf 1932-5-9 3492 Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  OBI81428  Eucalyptus cornuta Unknown 2007-3-10 122 Los Angeles Open woodlands on slope with Heteromeles. Palos Verdes Peninsula, Palos Verdes Estates, N of Palos VErdes Dr, West, Malaga Creek, Via Alar at Via Corta. 41 Comment
  RSA131018  Eucrypta chrysanthemifolia Percy C. Everett, E. K. Balls 1959-6-2 23836 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  SD178147  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-4-26 29711 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Plum Canyon Rd. in Mint Canyon, northwest of Forest Park and south of Cruzan Mesa. Under shrubs, on north and south-facing slopes. 594 Comment
  UCR125492  Eucrypta chrysanthemifolia A. C. Sanders, Mark Elvin 2003-4-14 25980 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  LA105329  Eucrypta chrysanthemifolia var. chrysanthemifolia Barry A. Prigge; 1989-4-23 8435 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  RSA599885  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Lauren Raz 1997-5-6 9730 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA675875  Eucrypta chrysanthemifolia var. chrysanthemifolia LeRoy Gross 2003-3-9 783 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  JEPS31736  Eulobus californicus Frank W. Peirson 1919-3-27 349 Los Angeles hills w Arroyo Seco; San Gabriel Mountains 426 Comment
  UC167136  Eulobus californicus Marcus E. Jones, A. M. May 1882 Los Angeles Pasadena Comment
  UCR259928  Eulobus californicus R. G. Swinney 2010-3-18 11974 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UC1183601  Eulobus californicus Mildred E. Mathias 1957-4-4 3159 Los Angeles Decker Canyon Rd 2.5 mi sw Decker Fire Station Comment
  UCR189722  Euphorbia albomarginata R. G. Swinney 1998-7-10 6375 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR43323  Euphorbia albomarginata David Charlton 1986-6-15 309 Los Angeles San Gabriel Mtns., Mile High, intersection of Swarthout Canyon Road and Largo Vista Road (N4) 1067 Comment
  RSA661031  Euphorbia misera Orlando Mistretta 1992-4-5 174 Los Angeles Guds, San Clemente Island. Comment
  RSA0029492  Euphorbia misera Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2486 Los Angeles Santa Catalina Island. Little Harbor, on hillside above upper road to Avalon. 30 Comment
  RSA432454  Euphorbia peplus Robert Gustafson 1981-3-26 2140 Los Angeles Ballona Wetlands, Area 1. Comment
  UCR101186  Euphorbia serpens L. C. Wheeler 1975-5-11 s.n. Los Angeles San Gabriel Valley, Hacienda Heights, 7th Avenue and Pomona Freeway 110 Comment
  UCR95546  Euphorbia serpillifolia L. C. Wheeler 1966-9-21 8893 Los Angeles San Gabriel Mtns., north fork San Gabriel River, 1/4 mi downhill from intersection of main road with road to upper Bichota Canyon 854 Comment
  RSA228845  Euthamia occidentalis R. F. Thorne 1971-6-26 40614 a Los Angeles Ca. 2 mi. above boundary of National Forest 457 Comment
  CATA756  Extriplex californica Mark L. Hoefs 1991-5-22 1285 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  SD40176  Extriplex californica Edith A. Purer 1931-3-19 Los Angeles El Segundo Comment
  UC639148  Festuca arundinacea P. B. Dickey 1939-7-28 758 Los Angeles Soil Conservation Nursery at Littlerock Littlerock 853 Comment
  UCR223003  Festuca dertonensis R. G. Swinney 2009-6-2 11027 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
  RSA0091973  Festuca microstachys R. G. Swinney 2011-4-20 14451 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  UCR167530  Festuca myuros Scott D. White, Brian Leatherman 2005-3-18 10803 A Los Angeles South Coast, City of Glendora: 'South Hills' just N of the I-210 freeway. c. 0.3 air mi ENE of the I-210/Sunflower intersection 335 Comment
  UCR214612  Festuca myuros A. C. Sanders, Dan S. Cooper 2010-3-12 37353 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR271755  Festuca myuros R. G. Swinney 2011-3-26 14226 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  SBBG113081  Festuca octoflora S. A. Junak with K. Kirkland 1998-5-2 SCa 635 Los Angeles S of rd to East Pk, just below ridgetop SW of Pk 1245, ca. 0.95 air mi NW of East Pk 310 Comment
  CAS-BOT-BC502103  Ficus microcarpa R. E. Riefner, Jr. 2015-5-2 15 -138 Los Angeles City of Arcadia, S side of I-210, W of Colorado Blvd, between 2nd St and La Porte St. 153 Comment
  UCR86536  Filago arizonica T. S. Ross, O. Mistretta, M. Hammitt 1991-5-20 5326 Los Angeles Channel Islands, West side San Clemente Island, between Box & Horse Canyons 485 Comment
  POM50221  Filago californica L. R. Abrams 1901-4-3 1257 Los Angeles Santa Monica Mountains. Comment
  UCR240982  Filago californica Dan S. Cooper 2010-4-6 20100406- 35 C Los Angeles South Coast, Ballona Wetlands, open space parcel on west side of channelized Ballona Creek, north of Culver Blvd. and east of Lincoln Blvd., S of CA 90/Marina Fwy 5 Comment
  RSA656193  Filago californica Joseph M. Keefe 1978-6-2 23302 Los Angeles Verdugo Mountains: 40 m north of Mountain Street, 70 m west of Glendale Freeway (California Highway 2), Glendale College, Glendale, San Rafael Hills. 300 Comment
  SBBG26942  Frangula californica subsp. californica I. W. Clokey, B. Templeton -Jun-1929 4586 Los Angeles Mandeville Cyn 200 Comment
  RSA392133  Frasera neglecta Bonnie C. Templeton 1939-6-19 4932 Los Angeles Big Pines Park Comment
  RSA489253  Frasera neglecta J. L. Reveal 1987-6-25 6572 Los Angeles Along the Angeles Crest Highway (california Highway 2) at milepost 54.0, 3.2 miles south of Cloudburst summit and 6.8 mile north of Charlotn Flat Campground. 1875 Comment
  RSA776728  Fraxinus uhdei Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11684 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  CAS-BOT-BC212383  Fremontodendron californicum Robert F. Thorne; Carlos Munoz 1969-6-17 38016 Los Angeles Lower end of Icehouse Canyon, San Gabriel Mts., Angeles National Forest 1524 Comment
  RSA628305  Fremontodendron californicum subsp. californicum Louis C. Wheeler 1974-3-6 s.n. Los Angeles San Gabriel Mountains: Gold Bar mill site. Comment
  POM177948  Fritillaria biflora E. Peterson 1931-3-21 4074 Los Angeles Saddle Peak, Santa Monica Mountains. 823 Comment
  RSA367748  Fritillaria pinetorum M. Vincent 1962-5-7 238 Los Angeles Big Pine Camping Area, Camp Manzanita Comment
  RSA593776  Galium andrewsii subsp. intermedium Steve D. Boyd, Orlando Mistretta, John Dolan 1996-4-18 8555 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
  RSA6054  Galium angustifolium subsp. angustifolium Carl B. Wolf 1932-10-3 4208 Los Angeles Santa Catalina Island: road to Renton Mine about 1 mile from junction with Wirgley Drive. 305 Comment
  UCD121582  Galium angustifolium subsp. angustifolium Daryl Koutnik 1978-6-24 550 Los Angeles Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  RSA529208  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5608 Los Angeles Granite Mountain vicinity: ridge NNE of G.M. 1893 Comment
  RSA641376  Galium angustifolium subsp. gabrielense Orlando Mistretta 1995-6-23 1834 Los Angeles San Gabriel Mountains: Lookout Mt. Trail; Orobanche valida survey. 1921 Comment
  CATA970  Galium aparine Mark L. Hoefs 1994-5-21 1838 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  JEPS27192  Galium catalinense subsp. acrispum Reid Moran 1958-9-15 6822 Los Angeles canyon 1.8 mi se Eel Point; San Clemente Island 100 Comment
  SDSU19651  Galium catalinense subsp. acrispum Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2208 Los Angeles San Clemente Island, south side of Eagle Canyon. 351 Comment
  RSA588966  Galium hallii Orlando Mistretta 1994-6-8 1347 Los Angeles San Gabriel Mountains: Little Rock Creek. un-named drainage draining N slope of Bare Mountain. 1616 Comment
  RSA585774  Galium jepsonii Orlando Mistretta 1995-7-11 1881 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  RSA580130  Galium porrigens Tim S. Ross, Darin Banks 1994-4-12 7481 Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon; ca 630 m s of where Drinkwater Canyon joins S. Fr. Canyon. 552 Comment
  RSA0021847  Galium trifidum subsp. columbianum Louis C. Wheeler 1933-10-20 2182 Los Angeles San Gabriel River. 70 Comment
  UCR68908  Galvezia speciosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4196 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  SBBG132304  Gambelia speciosa S. A. Junak 1995-1-5 SCI- 244 Los Angeles N of Pyramid Head light station, just S of "U18-2" marker 85 Comment
  RSA392411  Garrya elliptica H. de Forest, H. L. Bauer 1931-7-5 s.n. Los Angeles Santa Monica Mountains Comment
  RSA188346  Gastridium phleoides R. F. Thorne, M. Z. Thorne 1966-5-31 36435 Los Angeles Santa Catalina Island: Fern Canyon W of Orizaba Mountain 229 Comment
  CAS-BOT-BC282616  Gastridium phleoides Carl B. Wolf 1932-5-10 3523 Los Angeles Along the Equestrian Trail, back of Avalon, Santa Catalina Island 259 Comment
  CDA5225  Gaura sinuata Agricultural Commissioner 1935-8-3 Los Angeles San Fernando Valley. 0 Comment
  UCR189968  Gayophytum R. G. Swinney 1998-8-31 6872 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  UCR223201  Gayophytum R. G. Swinney 2009-7-22 11308 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UC1595380  Gayophytum diffusum subsp. parviflorum Tim Ross and Steve Boyd 1990-6-18 3468 Los Angeles Camp Verdugo Pines and vicinity San Gabriel Mtns., Mescal Creek USGS 7.5' quad (northerly draw draining to Jackson Lake) 1877 Comment
  UCR272522  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-7 15432 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  RSA717788  Gayophytum oligospermum R. G. Swinney, Dave Larson 1996-7-17 5124 Los Angeles San Dimas Experimental Forest, east half (grass portion) of Browns Flst 1317 Comment
  UCR124476  Geranium californicum B. C. Templeton 1932-7-20 5018 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  HSC24467  Geranium richardsonii R. F. Thorne, M. Z. Thorne 1969-7-9 38533 Los Angeles San Gabriel Mtns., Angeles National Forest, at Big Pines 2073 Comment
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Sep 5 2018
  RSA587751  Gilia T. S. Ross 1991-4-27 4624 -a Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA655748  Gilia achilleifolia subsp. achilleifolia James Henrickson 2000-4-15 20686 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
  SBBG121864  Gilia achilleifolia subsp. achilleifolia A. Parikh, N. Gale 2005-6-15 779 Los Angeles Portal Ridge, 1.1 km N of intersection of N2/Johnson Rd, 1.6 km E of intersection of N2/Munz Ranch Rd 1085 Comment
  RSA618586  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/2 mile south-southwest of Blum Ranch. 975 Comment
  CHSC40022  Gilia angelensis LeRoy Abrams 1903-4-10 3245 Los Angeles Near Inglewood. Comment
  SD69496  Gilia angelensis Robert F. Thorne 1966-4-7 35938 Los Angeles Santa Catalina Island; dr, southsoutheast-facing rocky slopes at Cherry Valley. 60 Comment
  UC909022  Gilia angelensis Curtis Ferris 1932-3-21 72 Los Angeles San Fernando Comment
  UCR200115  Gilia capitata subsp. abrotanifolia Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 758 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
  VVC3366  Gilia capitata subsp. abrotanifolia Tim Thomas 1973-4-24 15 Los Angeles Transverse Range, Santa Monica Mountains, Mulholland Hwy at Cold Creek 290 Comment
  UCSB5037  Gilia capitata subsp. abrotanifolia 1934-5-1 Los Angeles Panorama Comment
  UCR190021  Gilia diegensis R. G. Swinney 1998-6-12 6953 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
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May 3 2012
  RSA595111  Gilia latiflora subsp. davyi Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8583 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along spur leading off along steep ridgeline west of Angeles National Forest Road 8N01, at a point 7.0 road miles from jtn with 8N05. 1204 Comment
  SBBG64376  Gilia latiflora subsp. davyi M. N. Ackley -Mar-1926 Los Angeles Del Sur Comment
  UCR223811  Gilia leptantha subsp. transversa R. G. Swinney 2009-6-17 11195 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  SD86314  Gilia nevinii R. Mitchel Beauchamp, M. Douglas 1972-3-24 3251 Los Angeles San Clemente Island. In impact area 1 mile northwest of Observation Post above Pyramid Cove. 274 Comment
  UCR223207  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-5-20 10838 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  CAS-BOT-BC402056  Gilia ochroleuca subsp. vivida Timothy S. Ross 1994-5-31 7966 Los Angeles San Gabriel Mountains. Pacifico Mountain: ca 530 m due W of the 7124-ft summit; low saddle-like area, functionally the head of Santiago Canyon 2023 Comment
  CAS-BOT-BC402072  Gilia ochroleuca subsp. vivida John Thomas Howell 1947-7-18 23405 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  SEINET13095062  Gilia sherman-hoytiae Unknown 1933-1 12925 Los Angeles Desert 10 miles south of Muroc. Comment
  RSA606018  Gilia sinuata L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. 1433 Comment
  UCR191197  Gilia splendens R. G. Swinney 1999-7-5 7529 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR129396  Glycyrrhiza lepidota A. C. Sanders, Mark Elvin 2002-6-20 25252 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
  RSA596470  Gnaphalium beneolens Lauren Raz, S. D. Boyd 1996-10-23 008 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  RSA591973  Gnaphalium californicum Mark Hoefs 1974-4-30 431 Los Angeles Santa Catalina Island: by trail in Hermit's Gulch. 91 Comment
  POM358780  Gnaphalium californicum Thekla Mohr 1897-1 s.n. Los Angeles San Gabriel Comment
  RSA729543  Gnaphalium canescens subsp. beneolens R. G. Swinney 1998-9-7 6940 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  UCR125964  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin 2002-6-19 25145 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  CATA1368  Gnaphalium palustre Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2490 Los Angeles Santa Catalina Island: Lower Bulrush Reservoir 289 Comment
  RSA250356  Gnaphalium palustre R. F. Thorne, C. W. Tilforth, John Dourley, R. Scogin 1972-8-11 42220 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift. 2378 Comment
  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
  RSA612315  Gnaphalium stramineum L. C. Wheeler 1932-6-4 802 Los Angeles Live Oak Canyon 518 Comment
  SEINET12208210  Grevillea robusta Unknown 1944-1 s.n. Los Angeles Claremont Comment
  UCR240293  Grindelia R. G. Swinney 2009-11-18 11653 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  SEINET11835900  Grindelia camporum var. bracteosa J. F. Bright, Wyman, C. 1931-1 5467 Los Angeles near Pasadena Comment
  POM359087  Grindelia robusta F. R. Fosberg 1930-6-30 3073 Los Angeles Del Rey. 1 Comment
  POM72625  Harpagonella palmeri Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  SEINET3153289  Harpagonella palmeri G. B. Grant, W. Wheeler 1904-4-21 540 Los Angeles Collected on Santa Catalina Island, Pacific Ocean, off Southern California. Comment
  RSA0070064  Hazardia squarrosa Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 19 Los Angeles Deer Valley Trail. 22 Comment
  RSA594912  Hazardia squarrosa var. grindelioides John H. Thomas 1956-11-8 6472 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena. 610 Comment
  CAS-BOT-BC306295  Hedypnois cretica Peter H. Raven; Robert F. Thorne 1964-5-7 19034 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  RSA724714  Helianthemum scoparium var. vulgare K. Dobry 1992-4-9 d- 324 Los Angeles West Santa Monica Mts. along E Arroyo Sequit 5 mi No. of Pacific Coast Hwy. At camp Shalom. Comment
  LA32031  Helianthus gracilentus Henry J. Thompson; 1959-5-2 1977 Los Angeles Santa Monica Mountains, Yerba Buena Road, 1.2 mi W of junction with Mulholland Hwy 609 Comment
  SDSU2670  Helianthus gracilentus unknown 1940-5-20 3136 Los Angeles Santa Susana Mts., to San Bernardino. Comment
  CAS-BOT-BC305882  Helminthotheca echioides Ernest C. Twisselmann 1970-3-3 16363 Los Angeles Los Angeles: parking lot at 1212 Shatto Street 76 Comment
  RSA696927  Hemizonia fasciculata J. Vlahos 1935-6-27 s.n. Los Angeles Santa Catalina Island, Isthmus. Comment
  UCR192922  Hemizonia fasciculata Dan S. Cooper 2008-5-4 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Western Canyon Road beyond end of Green Oak Dr., Los Angeles 260 Comment
  CAS-BOT-BC403834  Hesperocnide tenella Geo. B. Grant 1904-5-26 s.n. Los Angeles Pasadena Comment
  UC557779  Hesperocnide tenella Nell Murbarger May, 1936 169 Los Angeles canyon on e side San Clemente Island; canyon on e side San Clemente Island Comment
  LA22797  Hesperoyucca whipplei Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCD138423  Hesperoyucca whipplei Gerald Dickinson 1962-5-19 40 Los Angeles 3 miles west of Topanga Canyon-Mulholland, Santa Monica Mountains. 356 Comment
  UCR255824  Hesperoyucca whipplei R. G. Swinney 2010-5-4 12504 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
  CAS-BOT-BC143676  Heteromeles arbutifolia Le Roy Abrams; E. A. McGregor 1908-6-20 413 Los Angeles Liebre Mountains, Elizabeth Lake Comment
  RSA578631  Heteromeles arbutifolia Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8121 Los Angeles Ruby Canyon: 3.1 road miles WNW of Ruby/Clearwater Saddle, along Ruby-Clearwater Truck Trail; NW side of Red Mountain. 744 Comment
  SBBG52927  Heteromeles arbutifolia F. C. Boutin 1967-4-23 Los Angeles Lemon Tank, dump site 304 Comment
  UCR106303  Heteromeles arbutifolia B. G. Pitzer 1996-5-5 2869 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR271609  Heteromeles arbutifolia R. G. Swinney 2011-11-3 15991 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  SEINET11907919  Heteromeles arbutifolia D. P. Reagan n d 7 Los Angeles Just E of Sandberg alond State Rd. N-2 Comment
  UC32761  Heterotheca grandiflora Dr. Vogt 1897-1-1 71 Los Angeles Antelope Valley Comment
  RSA0045495  Heuchera caespitosa Wendy Boes, Andrew Wheeler 2009-6-22 2009 -030 Los Angeles San Gabriel Mountains; Crystal Lake recreation area, Forest Service RD 3N09.2. 1645 Comment
  RSA0076554  Heuchera elegans R. F. Thorne 1971-8-25 41284 Los Angeles San Gabriel Mts., Angeles National Forest. Along trail from Windy Gap to Mt. Hawkins. 2439 Comment
  SD52888  Hirschfeldia incana Peter H. Raven 1962-5-9 17660 Los Angeles San Clemente Island; near observation point on slope overlooking Pyramid Cove. 170 Comment
  RSA449775  Holodiscus discolor Sam Tyson 1943-7-7 s.n. Los Angeles Big Dalton Canyon 579 Comment
  UC860195  Holodiscus discolor Ira W. Clokey, B. Templeton 1929-5-1 4547 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 400 Comment
  RSA625515  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1945-4-17 6018 Los Angeles Near intersection of Slauson and Garfield Ave. 3 miles south of Montebello. Comment
  SBBG31280  Hordeum murinum R. F. Thorne 1966-4-4 35750 Los Angeles isthmus 12 Comment
  POM352459  Hordeum murinum subsp. leporinum M. B. Dunkle 1928-3-31 1784 Los Angeles Santa Catalina Island: Campo Blanco [El Rancho Escondido]. Comment
  POM296500A  Horkelia cuneata subsp. puberula Lyman D. Benson 1945-3-16 11608 Los Angeles Claremont, Pacific slope drainage area. 351 Comment
  CAS-BOT-BC532290  Horkelia cuneata var. puberula Le Roy Abrams 1901-7-1 14231910 Los Angeles Claremont Comment
  SBBG70394  Hornungia procumbens R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA584133  Hulsea heterochroma Timothy S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2959 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
  SFV19328  Hulsea vestita P. Wilson, J. N. Hogue 243.1 2005-5-23 4210 Los Angeles San Gabriel Mountains Near Winston Peak, along trail from Cloudburst Summit, north of Highway 2. About 0.75 km from highway. 2075 Comment
  CAS-BOT-BC312624  Hulsea vestita subsp. vestita A. D. E. Elmer 1902-6-1 3700 Los Angeles Acton, Mt. Gleason Comment
  UCR214641  Hypochaeris glabra A. C. Sanders, Dan S. Cooper 2010-3-12 37375 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA258368  Hypochaeris glabra C. W. Tilforth 1972-4-14 487 Los Angeles Common in drier, sandy areas of garden. Comment
  UCR110907  Hypochaeris radicata A. C. Sanders, D. Malueg 1998-6-22 22009 Los Angeles San Gabriel Valley, Pasadena, just north of the I-210 Freeway on E bank of Eaton Wash, north side of Foothill Blvd. where it goes under the 210, under SCE transmission lines 225 Comment
  OBI4724  Ipomoea indica T. C. Fuller 1966-9-27 15213 Los Angeles W bank of Topanga Crk just N of Pacific coast hwy 101, Topanga Beach Comment
  SBBG12860  Jaumea carnosa E. R. Blakley 1961-9-23 4722 Los Angeles Ballast Pt Comment
  CAS-BOT-BC101868  Juglans G. Wallace; D. Deardorff 1976-5-10 LASCA- 1073 Los Angeles unspecified Comment
  SD239790  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37170 Los Angeles San Gabriel Vaslley: Pomona, Cal Poly Pomona campus at Kellogg West (San Dimas 7.5'Q) Steep N-facing hill slope below parking lot of conference center and dorms on hilltop. 263 Comment
  UC1871030  Juglans californica T. S. Ross, Walter Appleby 1993-5-20 7190 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W, T3N, NE/4 SE/4 Sec. 9; ca 3110 ft. elevation 947 Comment
  UCR193949  Juglans nigra A. C. Sanders 2008-7-10 35743 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA368105  Juncus acutus subsp. leopoldii Blanche Trask 1901-08 s.n. Los Angeles Santa Catalina Island. Avalon, westward on to coast. Comment
  RSA0080729  Juncus balticus R. G. Swinney 2010-9-9 13754 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR94663  Juncus balticus A. C. Sanders, E. J. Lott 1993-5-6 13954 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  UCR224020  Juncus bufonius Steve Boyd, Rick Riefner 2007-4-27 11735 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  POM1543  Juncus bufonius I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont, just south of town. Comment
  RSA586705  Juncus effusus subsp. austrocalifornicus Orlando Mistretta, Mark A. Elvin 1995-6-20 1802 -B Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1767 Comment
  RSA601149  Juncus macrophyllus L. C. Wheeler 1966-9-6 8871 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  RSA641445  Juncus macrophyllus L. C. Wheeler 1967-7-15 10009 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA776390  Juncus macrophyllus Orlando Mistretta, Christine Mistretta 2010-5-22 5186 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  UCR191279  Juncus macrophyllus R. G. Swinney 1999-6-30 7479 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  RSA368079A  Juncus macrophyllus Anstruther Davidson 1923-09 s.n. Los Angeles Los Angeles River, Griffith Park. Comment
  RSA191647  Juncus mexicanus Robert F. Thorne, M. Z. Thorne 1966-8-29 36608 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines Recreation Area south of Jackson Lake on road from Big Pines to Valyermo 1860 Comment
  UCR125901  Juncus textilis A. C. Sanders, Mark Elvin, Julie M. Vanderwier, M. S. Enright 2002-6-26 25301 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south of Santa Clara River, above river gate into ranch 305 Comment
  SD69447  Juncus xiphioides Robert F. Thorne, P. Everett 1965-6-23 34955 Los Angeles Santa Catalina Island, lower portion of Middle Ranch Canyon, in shallow running water of stream bed. 91 Comment
  SEINET8465035 Image available Juncus xiphioides R. G. Swinney 2008-5-30 8909 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
  UCR212796  Juncus xiphioides Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1838 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UC1106407  Juncus xiphioides Peter Kamb 1948-7-13 1211 Los Angeles Wildwood San Gabriel Mts., Big Tujunga Canyon 548 Comment
  CAS-BOT-BC80996  Juniperus californica Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3391 Los Angeles LITTLE ROCK CREEK: Joshua Tree Campground on the SW side of Little Rock Reservoir; Pacifico Mountain 7.5' topo sheet 1002 Comment
  LA6544  Juniperus californica Harlan Lewis; 1942-11-28 252 Los Angeles Little Rock Comment
  UCD133681  Juniperus californica Daryl Koutnik 1978-4-28 441 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 Comment
  RSA549784  Keckiella antirrhinoides var. antirrhinoides Wandalee Thompson 1964-4-11 3 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  CAS-BOT-BC235733  Keckiella cordifolia Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  SBBG95468  Keckiella cordifolia M. B. Dunkle 1929-3-4 1714 Los Angeles Orizaba Cyn Comment
  LA200969  Kickxia elatine Carl Wishner; 1997-10-16 2537 1 Los Angeles SANTA MONICA MOUNTAINS, Winter Canyon, Pepperdine University, Malibu 50.0 Comment
  RSA578649  Krascheninnikovia lanata T. S. Ross, J. M. Porter 1994-5-1 7599 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  SBBG96  Krascheninnikovia lanata R. Hoffmann 1927-9-23 Los Angeles Palmdale Comment
  UC1059905  Kyllinga brevifolia L. G. Arthur 1946-9-17 Los Angeles Long Beach, at 2053 Linden Long Beach Comment
  RSA640959  Lactuca serriola L. C. Wheeler 1931-7-22 s.n. Los Angeles La Verne: Wheeler's residence. Comment
  RSA592188  Lamarckia aurea L. C. Wheeler 1967-3-3 9172 Los Angeles Sunset Ridge, west of Chaney Trail. Comment
  SBBG17969  Lamarckia aurea E. R. Blakley 1963-4-8 5549 Los Angeles S of Avalon Valley above Avalon Terrace 182 Comment
  UCD63314  Lamarckia aurea A. A. Beetle 1942-4-17 3078 Los Angeles Rt. 101A, 5 miles south of County line from Vent. Co. Comment
  SEINET13297613 Image available Lantana camara R. G. Swinney 2011-1 14165 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5' Q.) (T1N R9W S28) 366 Comment
  RSA656863  Lantana montevidensis Joseph M. Keefe 2001-1-24 31021 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  RSA712176  Larrea tridentata R. G. Swinney 1997-9-6 5866 Los Angeles San Gabriel Mtns.: Desert slope. 223rd St., 0.5 mi S of Fort Tejon Rd; about 30 ft E of road 1195 Comment
  RSA392796  Lastarriaea coriacea Louis C. Wheeler 1932-5-26 745 Los Angeles San Gabriel Wash. 107 Comment
  CAS-BOT-BC338118  Lasthenia californica Le Roy Abrams 1901-4-1 1228 Los Angeles Ballona Harbor Comment
  RSA598856  Lasthenia californica Steve Boyd, T. S. Ross 1997-3-21 9232 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  CAS-BOT-BC338137  Lasthenia californica E. R. Blakley 1963-12-7 6333 Los Angeles 200 ft. n of Lighthouse, N of Pyramid Head. San Clemente Island 53 Comment
  UC75846  Lasthenia coronaria unknown May 1901 99 Los Angeles Altadena Comment
  POM361500  Lasthenia gracilis Fossler 1929-4-2 s.n. Los Angeles near Arroyo Seco Comment
  SEINET13276743 Image available Lasthenia gracilis R. G. Swinney 2011-1 14467 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy (Palmdale 7.5' Q.) (T5N R12W S23) 1000 Comment
  UC55099  Lasthenia gracilis H. M. Hall 1903-4-1 3764 Los Angeles Playa del Rey Comment
  SEINET7042257  Lathyrus sulphureus A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  UCR270638  Lathyrus vestitus R. G. Swinney 2011-3-22 14190 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  POM9673  Lathyrus vestitus subsp. laetiflorus Anonymous 1920-5-16 s.n. Los Angeles Tujunga 473 Comment
  SBBG78467  Lathyrus vestitus var. vestitus W. A. Wright 1931-3-6 Los Angeles Santa Catalina Island Comment
  LA205872  Lavatera assurgentiflora Louis Wheeler; 1932-8-28 1307 Los Angeles San Jose Hills, Puddingstone Dam 274 Comment
  SBBG108951  Lavatera cretica S. A. Junak 1997-4-23 SCl 858 Los Angeles Larkspur Cyn, just upstream from large drop-off in cyn 188 Comment
  SD252283  Layia Steven A. Junak 1999-5-20 Sca 931 Los Angeles Santa Catalina Island. On ridge between Cottonwood and Escondido Canyons, on S side of Cottonwood-Black Jack Road, ca. 0.6 mile up from reservoir. 256 Comment
  CAS-BOT-BC321514  Layia glandulosa Le Roy Abrams 1901-4-6 1402 Los Angeles Big Tujunga Wash Comment
  RSA799683  Layia glandulosa Pam De Vries 2013-4-3 7837 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1054 Comment
  CATA1531  Lepidium didymum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2752 Los Angeles Santa Catalina Island: Hillside by City Fire Station, Avalon 18 Comment
  UCSB56088  Lepidium didymum Thorne, Robert 1973-4-11 Los Angeles Rancho Santa Ana Botanic Garden-Claremont; near administration building 365 Comment
  SBBG70815  Lepidium fremontii R. Hoffmann 1929-4-27 Los Angeles W Mojave Desert Comment
  RSA429896  Lepidium fremontii var. fremontii N. C. Cooper 1948-4-21 2697 Los Angeles Littlerock Reservoir. 762 Comment
  RSA661077  Lepidium lasiocarpum Orlando Mistretta 1992-4-5 185 Los Angeles Guds, San Clemente Island. Comment
  RSA68340  Lepidium lasiocarpum F. W. Peirson 1923-4-8 3448 Los Angeles Wilsons Cove, San Clemente Island. Comment
  SBBG112875  Lepidium latipes S. A. Junak with M. L. Hoefs, J. Takara 1998-3-22 SCa 506 Los Angeles SE end of Little Harbor Cmpgrd 18 Comment
  CATA858  Lepidium oblongum Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1667 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA182201  Lepidium virginicum var. robinsonii James Henrickson 1963-5-1 1252 Los Angeles Adjacent to RSABG in Claremont, near Foothill Blvd. 381 Comment
  POM310452  Lepidospartum squamatum Margaret Hardinge 1945-11-26 66 Los Angeles Claremont- in San Antonio Wash. 335 Comment
  RSA0092465  Lepidospartum squamatum R. G. Swinney 2011-10-27 15921 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  UCR210540  Leptochloa R. G. Swinney 2008-12-4 9939 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA250594  Leptosiphon breviculus R. F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41600 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  RSA469986  Leptosiphon breviculus S. B. Parish, Greata 1901-05 s.n. Los Angeles Hillsides, near Pasadena. Comment
  RSA229731  Leptosiphon ciliatus R. F. Thorne 1971-6-26 40606 Los Angeles San Gabriel Mtns., Angeles National Forest: On summit of Mt. Wilson. 1737 Comment
  POM78916  Leptosiphon liniflorus I. M. Johnston 1925-7-8 5289 Los Angeles Cow Canyon-San Antonio Canyon Divide 1432 Comment
  UC1929674  Leptosyne bigelovii Scott D. White, Michael Honer 2003-6-18 9555 Los Angeles LIBRE MTS.: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. Comment
  UCSB6465  Leptosyne californica Haller, John 1957-4-13 Los Angeles On Palmdale Ave. 0.7 miles E. of junc. with Calif. 138 and ca. 9 miles E. of center of Palmdale 762 Comment
  RSA336434  Lessingia glandulifera var. glandulifera R. F. Thorne, Dick Tilforth 1978-6-21 52327 Los Angeles San Gabriel Mountains: N of Bob's Gap 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
  RSA226239  Leymus condensatus Gary D. Cromwell, David W. Wheat 1971-7-1 699 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest. Two miles NE of Glendora. 396 Comment
  RSA585690  Leymus triticoides Timothy S. Ross 1990-6-11 3014 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  UC1117456  Leymus triticoides Peter H. Raven 1962-5-21 17810 Los Angeles about 4 mi above ranch; Santa Catalina Island, Middle Canyon 274 Comment
  MACF015662  Libocedrus decurrens Fay A. MacFadden 1936-9-6 14746 Los Angeles Lake Arrowhead, California Comment
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May 29 2015
  LA22058  Lilium humboldtii subsp. ocellatum W. O. Griesel; 1936-6-16 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon Comment
  RSA596374  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
  RSA682715  Lilium humboldtii subsp. ocellatum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1106 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  RSA409972  Limonium californicum Anstruther Davidson 1920-8-1 3404 Los Angeles Alamitos Bay Comment
  RSA0098630  Limosella acaulis R. G. Swinney 2010-9-7 13704 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259249  Linanthus aureus R. G. Swinney 2010-6-1 13086 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  RSA469954  Linanthus aureus N. C. Cooper 1948-4-21 2672 Los Angeles Littlerock. 762 Comment
  UCR151000  Linanthus breviculus Walter Wisura 2001-4-30 5155 Los Angeles Transverse Ranges; San Gabriel Mtns region, San Gabriel Mtns: Hwy N4, 9.4 mi N from the junction with Hwy 2 2337 Comment
  CAS-BOT-BC226743  Linanthus californicus Fordyce Grinnell 1916-6-10 s.n. Los Angeles Sister Elsie Pk., San Gabriel Mts. Comment
  RSA468440  Linanthus californicus subsp. glandulosus Mary H. Ward 1970-6-19 s.n. Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena Comment
  RSA0016795  Linanthus dianthiflorus subsp. dianthiflorus Richard C. Barkelew 1929-4-14 s.n. Los Angeles Mulholland Hwy. Comment
  SBBG126947  Linanthus dichotomus A. Parikh, N. Gale 2011-6-11 3453 Los Angeles N of Aliso Cyn, 0.1 km W of Angeles Forest Hwy, 1.2 km N of Aliso Cyn Rd; San Gabriel Mtns [ subsp. pattersonii ] 1201 Comment
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Jul 7 2015
  RSA755938  Linanthus dichotomus subsp. pattersonii Orlando Mistretta, Christine Mistretta 2008-4-9 2398 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  RSA708873  Linanthus liniflorus Scott D. White, Andrea Warniment 2005-9-9 11215 Los Angeles Tehachapi Mountains: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. 1006 Comment
  RSA17059  Linanthus pungens C. B. Wolf 1936-5-27 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon to Buckhorn Flats Road, 4.4 mi. above Tie Camp Summit. 1829 Comment
  UCR209155  Linaria canadensis Dan S. Cooper 2009-4-30 409- 3 .1 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., NW shoulder of Cahuenga Peak, Griffith Park 511 Comment
  RSA674649  Lithophragma affine Scott D. White, Pam DeVries 2000-5-18 7893 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  SEINET12219414  Lithophragma affine subsp. mixtum J. F. Bright 1934-1 9243 Los Angeles Santa Monica Coast Range Comment
  RSA616931  Lithophragma bolanderi Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  POM97176  Lithophragma heterophyllum P. A. Munz 1925-3-18 8922 Los Angeles Newhall Grade. Comment
  RSA436330  Lobelia cardinalis subsp. graminea Anstruther Davidson 1892-10 s.n. Los Angeles Kurtz St. Marsh. Comment
  POM68358  Lobelia dunnii var. serrata Marcus E. Jones 1884-08 s.n. Los Angeles Pasadena Comment
  RSA0098368  Lobelia dunnii var. serrata R. G. Swinney 2011-11-1 15969 Los Angeles San Gabriel Mountains: West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  RSA13697  Lobelia dunnii var. serrata L. C. Wheeler 1933-9-3 2101 Los Angeles Barrett Canyon off San Antonio Canyon. 1310 Comment
  CAS-BOT-BC342199  Logfia filaginoides Louis Wheeler 1933-5-13 1730 Los Angeles Cobles Canyon [Cobal Canyon] near Palmer Canyon, San Gabriel Mts. 487 Comment
  POM1293  Lolium perenne Shaw 1900-5-22 119 Los Angeles Claremont. Comment
  RSA760700  Lolium perenne R. G. Swinney 2008-8-14 9431 Los Angeles South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  SDSU2241  Lomatium lucidum A. H. Gallup 1948-4-21 148 Los Angeles 'The Wash' Claremont 366 Comment
  UC73337  Lomatium lucidum Geo. B. Grant 1901-1 429 Los Angeles Altadena Comment
  SFV2586  Lomatium lucidum R. L. Armacost 1957-5-7 853 Los Angeles Santa Monica Mountains Zuma Canyon. Comment
  SD237287  Lomatium mohavense R. G. Swinney 1998-4-14 5975 Los Angeles San Gabriel Mtns. / Southern Mojave Desert: Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St., W of Mescal Crk. Canyon, Mescal Highlands. 1299 Comment
  UC1971336  Lomatium utriculatum Louis C. Wheeler 1969-5-4 Los Angeles SAN GABRIEL MOUNTAINS: Placerita Canyon. Comment
  CAS-BOT-BC240494  Lonicera hispidula Carl B. Wolf 1932-10-5 4237 Los Angeles Santa Catalina Island. 1 mile from Middle Ranch on road to Black Jack Peak 274 Comment
  CAS-BOT-BC240746  Lonicera interrupta Dr. H. E. Hasse 1893-5-1 s.n. Los Angeles Acton Comment
  IRVC27766  Lonicera subspicata A. C. Sanders 2005-5-11 30149 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
  CAS-BOT-BC234856  Lonicera subspicata var. denudata Geo. B. Grant 1904-6-15 706 a Los Angeles Pasadena Comment
  CAS-BOT-BC234872  Lonicera subspicata var. denudata V. Bailey 1907-10-29 s.n. Los Angeles Santa Monica Mts., (n. slope) Comment
  RSA455358  Lonicera subspicata var. denudata Kathrine Houghton 1931-7-10 s.n. Los Angeles Griffith Park. Comment
  RSA324070  Lotus argophyllus subsp. ornithopus F. H. Elmore 1939-2-18 392 Los Angeles San Clemente Island Comment
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May 16 2008
  UC15674  Lotus argophyllus var. argenteus Dr. A. Davidson Aug 1895 Los Angeles Catalina Island Comment
  RSA0069203  Lotus corniculatus R. G. Swinney 2010-6-8 13193 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UC1595216  Lotus crassifolius Tim Ross and Peter Fritsch 1990-6-20 3661 A Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  POM294754  Lotus crassifolius var. crassifolius Lyman Benson 1945-6-5 11751 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  CDA27202  Lotus grandiflorus T. C. Fuller 1965-4-26 13378 Los Angeles Santa Monica Mountains; East slope of Saddle Peak, Saddle Peak Road, 1.7 miles west of junction with Tuna Canyon Road, 4.6 miles west of Topanga. 0 Comment
  UCR222829  Lotus humistratus R. G. Swinney 2009-4-29 10591 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  PASA1099  Lotus micranthus Frank W. Peirson 1919-5-18 436 Los Angeles Monrovia Canyon, San Gabriel Mts. 426 Comment
  UCR193588  Lotus oblongifolius R. G. Swinney 1998-8-10 6730 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  RSA226006  Lotus procumbens var. procumbens R. F. Thorne 1971-6-29 40668 Los Angeles San Gabriel Mountains, Angeles National Forest: near junction of Angeles Forest & Mt. Emma Roads 1128 Comment
  UC57390  Lotus purshianus var. purshianus J. H. Barber 1897-6-27 199 Los Angeles Aliso Canyon Comment
  POM158317  Lotus salsuginosus M. B. Dunkle 1928-4-29 1904 Los Angeles Little Harbor, Santa Catalina Island. 9 Comment
  RSA755581  Lotus salsuginosus R. G. Swinney 2008-7-12 9172 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UC1349363  Lotus salsuginosus Robert F. Thorne 1966-4-5 35856 Los Angeles Cottonwood Canyon Santa Catalina Island 106 Comment
  UCR258727  Lotus salsuginosus R. G. Swinney 2010-6-23 13352 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  SFV20612  Lotus salsuginosus J. Lyon Jun 1980 s. n. Los Angeles San Fernando Valley About 500 meters north of the Sepulveda Dam Lock, west of the river embankment. Comment
  RSA406803  Lotus salsuginosus var. salsuginosus F. R. Fosberg 1931-4-1 S- 4443 Los Angeles Avalon, Santa Catalina Island. 5 Comment
  RSA406846  Lotus scoparius F. R. Fosberg 1930-6-23 52983 Los Angeles Del Rey. 1 Comment
  RSA712378  Lotus scoparius subsp. brevialatus A. C. Sanders 2003-3-14 25752 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
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Apr 17 2009
  RSA311403  Lotus scoparius var. scoparius Cheryl A. Lawson 1971-6-26 407 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  UCR194728  Lotus scoparius var. scoparius Valerie Soza, Laura Moore 2000-5-10 829 Los Angeles Transverse Ranges: Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 595 Comment
  UCR223771  Lotus strigosus R. G. Swinney 2009-6-17 11172 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR68940  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4252 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA597041  Lotus strigosus T. S. Ross 1990-6-25 3841 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  SEINET10484479  Lotus strigosus Donald R. Bissing 1973-6-2 Bissing 132 Los Angeles Evey canyon, san gabriel mtns, small annuals to 6" tall, flowers yellow. In open Grassy area at road side. .5 Mi from canyon mouth. 744 Comment
  RSA0091528  Lotus unifoliolatus R. G. Swinney 2010-6-29 13392 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA406266  Lotus unifoliolatus M. Bisbee 1917-5-28 s.n. Los Angeles Grassy hillside, East end of Eagle Rock Comment
  UCR276939  Lupinus R. G. Swinney 2010-5-21 12862 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  SEINET10969890  Lupinus albifrons David B. Dunn 1957-5-18 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x arb. Hybrid. Comment
  UC1481363  Lupinus albifrons David B. Dunn April 1956 RSA- 6450 -7325 Los Angeles Comment
  RSA0105023  Lupinus andersonii R. G. Swinney 2011-6-22 15271 Los Angeles San Gabriel Mountains: 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder. 1659 Comment
  RSA755978  Lupinus andersonii Orlando Mistretta, Christine Mistretta 2008-4-12 2422 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
  RSA620238  Lupinus bicolor B. Pitzer 1998-5-23 3734 Los Angeles Western Transverse Range Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCD107313  Lupinus bicolor A. C. Sanders; D. Malueg 1998-6-22 22042 Los Angeles San Gabriel Mountains. Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  UCR240984  Lupinus bicolor Dan S. Cooper 2010-3-8 20100308- 34 B Los Angeles South Coast; Los Angeles Basin, between Los Angeles River and Forest Lawn Dr., just west of Forest Lawn Cemetery and east of Warner Bros. studios 157 Comment
  RSA602637  Lupinus bicolor B. Pitzer 1996-4-20 2694 Los Angeles Western Mojave Desert Antelope Valley, north side of Hwy 138 (Ave. D), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14). 915 Comment
  CATA3314  Lupinus concinnus Amy Catalano 2017-3-24 033 Los Angeles Santa Catalina Island: About 0.4 road miles up Middle Ranch Rd. from eastern entrance to Big Field Rd, south side of road, about 100 meters up slope 229 Comment
  RSA710783  Lupinus concinnus LeRoy Gross 2005-4-28 2143 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  SBBG17042  Lupinus excubitus K. A. Wilson 1961-3-11 996 Los Angeles San Francisquito Cyn Rd and Clear Water Cyn Comment
  CAS-BOT-BC216651  Lupinus excubitus subsp. hallii I. M. Johnston 1918-7-6 2078 Los Angeles Prairie Fork of San Gabriel River 1828 Comment
  RSA656079  Lupinus excubitus var. hallii James Henrickson 1985-3-30 19758 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  SEINET10903857  Lupinus excubitus var. hallii David B. Dunn 1957-4-2 Dunn RSA# 8292 x 6226 Los Angeles Plants 3 yrs. Old. Grown in field planting at ranch 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 f, plant no. Seeds from open field, pollen. Comment
  JEPS65164  Lupinus formosus Frank W. Peirson 1918-5-26 90 Los Angeles Henniger Flats 868 Comment
  SEINET10485356  Lupinus formosus James S. Henrickson 1966-4-17 Henrickson 2265 Los Angeles In chaparral just above mojave desert near pinon hills n of san gabriel mtns; With fremontodendron, arctostaphylos, penstemon, etc. Decomposed granite soil. 1372 Comment
  POM11095  Lupinus formosus var. formosus H. D. Collins 1921-4-22 35 Los Angeles Claremont. 366 Comment
  POM96079  Lupinus formosus var. robustus Philip A. Munz 1926-4-4 9993 Los Angeles 10 miles south of Willow Springs between Kern and Los Angeles Co. Comment
  RSA0114165  Lupinus hirsutissimus Steven A. Junak 1998-6-13 SCa- 752 Los Angeles Santa Catalina Island. W side of Avalon Canyon, upslope from fire station. 140 Comment
  RSA230257  Lupinus latifolius subsp. parishii R. F. Thorne 1969-7-2 38320 Los Angeles San Gabriel Mts., Angeles National Forest: Moist area about spring 1 mile SW of Kratka Ridge along Angeles Crest Hwy. 2073 Comment
  CAS-BOT-BC211707  Lupinus longifolius Greene 1904-2-17 4008 Los Angeles Claremont Comment
  CAS-BOT-BC211712  Lupinus longifolius Peter H. Raven 1959-5-3 12070 Los Angeles Along Mulholland Drive, 0.5 miles east of Beverly Glen Boulevard, Santa Monica Mountains 381 Comment
  LA200479  Lupinus longifolius Norman A. Cole; May 1964 360 Los Angeles Santa Monica Mountains, 6.3 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  UC1584036  Lupinus longifolius Tim Ross and Orlando Mistretta 1990-10-24 3302 Los Angeles where crossed by the Upper Monroe Road at ca 2885 ft (off the e side San Gabriel Reservoir) (Upper reaches of Venedo Canyon); San Gabriel Mts, (off e side San Gabriel Reservoir) 879 Comment
  UCR282586  Lupinus longifolius Dan S. Cooper 2017-4-21 417- 28 Los Angeles Montemalaga Dr., Palos Verdes 236 Comment
  UCR183984  Lupinus microcarpus A. C. Sanders 2007-4-19 33435 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  SBBG67050  Lupinus microcarpus var. microcarpus R. Hoffmann 1932-4-26 Los Angeles Mint Cyn, N of Solemint Comment
  UC1129650  Lupinus nanus A. D. Gifford 1935-3-28 521 Los Angeles 5 mi nne Tecuya Mountain; Tejon Quad. 365 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
  UCR182110  Lupinus sparsiflorus R. G. Swinney 1998-4-14 5987 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA590929  Lupinus sparsiflorus subsp. sparsiflorus Orlando Mistretta 1994-4-12 1020 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Little Rock Reservoir 1006 Comment
  LA33937  Lupinus succulentus Henry J. Thompson; 1959-4-12 1931 Los Angeles Santa Monica Mountains, Mulholland Hwy, 2 mi W of Las Virgenes Rd 304 Comment
  UCR178168  Lupinus succulentus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 695 Los Angeles Transverse Ranges: Verdugo Mtns, North side of slope at saddle of Verdugo Motorway and Brand Park Motorway, on the crest of the Verdugo Mtns 823 Comment
  RSA414318  Lupinus succulentus I. M. Johnston, John P. Hill 1933-3-22 17109 Los Angeles Whites Pt San Pedro Comment
  LA82126  Lupinus truncatus O. H. Kappler; 1941-3-21 141 Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  POM2387  Lupinus truncatus Edward L. Greene 1904-4-2 4099 Los Angeles Claremont. Comment
  RSA653470  Lupinus truncatus Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 749 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 426 Comment
  UCR186696  Lupinus truncatus T. B. Salvato, Sandra Murcia 2007-3-28 2001 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  RSA008667  Lupinus truncatus Fay A. MacFadden 1933-05 11070 Los Angeles Verdugo Mountains: Tujunga Wash, near Roscoe. Comment
  RSA414859  Lupinus truncatus Ducelia Cobb 1937-6-27 19730 Los Angeles Near LA, Canyons and moist areas Comment
  UCR204416  Luzula comosa R. G. Swinney 2001-9-15 8176 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  LA209639  Lycium andersonii J. Sauer; 1980-4-26 6092 Los Angeles San Gabriel Mountains, below Juniper Hills, N side of San Gabriel Mountains Comment
  UC166885  Lycium brevipes var. hassei George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 739 a6151 Los Angeles Santa Catalina Island Comment
  SBBG131516  Lyonothamnus floribundus S. A. Junak 2000-5-19 SCa 1319 Los Angeles N-facing slope in cyn above Button Shell Beach 228 Comment
  CAS-BOT-BC140180  Lyonothamnus floribundus subsp. aspleniifolius T. S. Brandegee 1894-8-25 s.n. Los Angeles San Clemente Island Comment
  SBBG91498  Lyonothamnus floribundus var. floribundus M. W. Parratt 1965-1-26 645 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC343703  Madia elegans Timothy S. Ross; Steve Boyd 1994-5-24 7847 Los Angeles Liebre Mountains. Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 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
  UCR194077  Madia gracilis R. G. Swinney, Dave Larson 1999-5-29 7238 Los Angeles San Gabriel Mtns., lower East Fork San Dimas Canyon 598 Comment
  CAS-BOT-BC230922  Malacothamnus davidsonii W. S. Lyon Aug 1884 s.n. Los Angeles Big Tujunga [Tajunga] Comment
  CAS-BOT-BC231881  Malacothamnus davidsonii A. Davidson 1907-1-1 s.n. Los Angeles San Fernando Wash Comment
  CAS-BOT-BC206197  Malacothamnus fasciculatus Alice Eastwood 1918-6-10 s.n. Los Angeles The Isthmus, Santa Catalina Island Comment
  RSA756153  Malacothamnus fasciculatus R. G. Swinney 2008-7-12 9181 Los Angeles San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
  SD28094  Malacothamnus fasciculatus Carl B. Wolf 1932-8-11 4005 Los Angeles North slope of San Gabriel Mountains, 8.0 miles below Big Pines Park on road to Little Rock. 1372 Comment
  UCR128014  Malacothamnus fasciculatus Mark A. Elvin 2003-8-13 2982 Los Angeles NE end of the Santa Susana Mtns., Newhall Ranch, Potrero Canyon south of Potrero Creek 360 Comment
  RSA0101005  Malacothamnus fasciculatus Wesley O. Griesel 1961-7-26 s.n. Los Angeles State Highway #2, between Big Pines and Wrightwood. 1829 Comment
  CATA28  Malacothamnus fasciculatus var. catalinensis USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 11 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  RSA597193  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3733 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  UC586923  Malacothamnus fremontii Joseph Andorfer Ewan 1934-8-3 8448 Los Angeles San Gabriel Mountains,Table Mt., head of Le Montaine Creek 2225 Comment
  UCR187097  Malacothrix californica A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32240 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  HSC6002  Malacothrix coulteri C. S. Apperson 1966-4-16 Los Angeles 10 mi. W of Sierra Hwy. on Ave. D Comment
  RSA526552  Malacothrix foliosa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4238 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UC1587709  Malacothrix foliosa Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5080 Los Angeles sw new landing field (sand dunes of coastal terrace); San Clemente Island, West Cove 6 Comment
  SD90396  Malacothrix foliosa subsp. foliosa Robert F. Thorne 1966-4-15 36021 Los Angeles San Clemente Island; 0.5 mile southsoutheast of Eel Point. 45 Comment
  JEPS36641  Malacothrix glabrata F. W. Peirson 1921-6-20 2149 a Los Angeles North Fork San Gabriel River San Gabriel Mts. 762 Comment
  CAS-BOT-BC347916  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1946-7-26 46250 Los Angeles Malibu 6 Comment
  CAS-BOT-BC347940  Malacothrix saxatilis var. tenuifolia J. H. Thomas 1957-6-2 6804 Los Angeles Arroyo Seco under Colorado St. Bridge, Pasadena Comment
  CATA3175  Malacothrix saxatilis var. tenuifolia Amy Catalano 2016-10-19 155 Los Angeles Santa Catalina Island: East facing cliff on west side of Airport Road 1/4 mile south of Blackjack Road 403 Comment
  OBI34052  Malosma laurina Mark Schneider 1973-6-1 s.n. Los Angeles Seven Hills Ranch, Tujunga. San Bernardino Mountains. 549 Comment
  POM224199  Malosma laurina Annetta Carter 1935-9-8 955 Los Angeles in bottom of steep walled canyon 381 Comment
Read comments
Nov 14 2012
  RSA623962  Malosma laurina Arthur R. Kruckeberg 1939-6-25 43 Los Angeles Campus Survey [Occidental College] on ridge back of Nursery Comment
  RSA652782  Malosma laurina Monica Acosta 1998-5-25 41 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  UC869602  Malosma laurina F. R. Fosberg 1931-7-10 S 5373 Los Angeles Eagle's Nest Santa Catalina Isl., Middle Ranch Canyon, Eagle's Nest 180 Comment
  SD66828  Malva assurgentiflora R. Mitchel Beauchamp 1967-3-18 318 Los Angeles In field south of Wilson Cove, San Clemente Island. Comment
  OBI45337  Marah macrocarpa Dave Charlton 1987-1-31 631 Los Angeles Saddle Peak, Santa Monica Mts 610 Comment
  SDSU5844  Marah macrocarpa R. M. Beauchamp 1967-1-27 107 Los Angeles San Clemente Island. Comment
  UCR259762  Marah macrocarpa R. G. Swinney 2010-5-11 12638 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  SD21287  Marah macrocarpa var. major Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island, Avalon Comment
  RSA549147  Marrubium vulgare Tim S. Ross 1990-6-20 3655 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA653628  Matricaria matricarioides S. Koukol, R. Koukol 1998-5-3 37 Los Angeles La Verne, Foothill Blvd., 75 m W. of Wheeler Avenue. 344 Comment
  RSA597816  Matricaria matricarioides L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mts; Placerita Canyon. 579 Comment
  JEPS51534  Meconella denticulata Frank W. Peirson 1918-5-19 36 Los Angeles Millards Canyon San Gabriel Mtns 609 Comment
  RSA608719  Medicago sativa L. C. Wheeler 1931-4-7 s.n. Los Angeles La Verne. Comment
  SBBG20535  Medicago sativa E. R. Blakley 1963-12-7 6369 Los Angeles 200 yds SE of new air strip 60 Comment
  RSA652179  Medicago sativa Horton Sherwood 1948-5-16 s.n. Los Angeles 1/4 mi. east of Walteria just below Palos Verdes Hills. 30 Comment
  SEINET11810119  Melampodium perfoliatum S. B. Parish, Parish, W. F. 1882-1 1171 Los Angeles Los Angeles city Comment
  SD241097  Melia azedarach R. G. Swinney 2009-3-19 10135 Los Angeles San Gabriel Mountains Foothills: Azusa, mouth of San Gabriel River Canyon, between I-210 Fwy and Foothill Blvd., west side of the river channel (Azusa 7.5'Q) 170 Comment
  UC1870243  Melia azedarach LeRoy Gross 2002-3-31 502 Los Angeles Los Angeles Basin region: Big Tujunga Was, southern front of the San Gabriel Mountains; Where the storm waters run down through Haines Canyon channel, east of Foothill Blvd. South side of wash 366 Comment
  CAS-BOT-BC281536  Melica imperfecta Javier Penalosa 1961-5-21 1515 Los Angeles San Gabriel Canyon Comment
  HSC24463  Melica imperfecta Gary D. Cromwell, David Wheat 1971-4-30 596 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains, 2 miles NE of Glendora. 427 Comment
  POM357030  Melica imperfecta F. R. Fosberg 1931-3-19 4307 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon 10 Comment
  RSA483710  Melica imperfecta Richard Noyes 1988-4-30 546 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  SD237271  Melica imperfecta R. G. Swinney 2009-6-2 10984 Los Angeles Transverse Range; San Gabriel Mtns.: east slope of Pacifico Montain at Fountainhead Spring. 2012 Comment
  UC714604  Melica imperfecta Frank W. Gould 1944-4-16 2305 Los Angeles Whittier Hills; near corner of Ardsheal Drive and Skyline Drive Comment
  UC818866  Melica imperfecta Carl Epling 1931-4-25 Los Angeles Los Alisos Canyon; Santa Monica Mountains 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
  SEINET10599441  Melica imperfecta Adolph D. E. Elmer Elmer 3646 Los Angeles Acton. Comment
  UCR259277  Melilotus indicus R. G. Swinney 2010-5-4 12512 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
  RSA409919  Mentha spicata Louis C. Wheeler 1931-8-22 17 Los Angeles Puddingstone Lake. 259 Comment
  UCD168373  Mentzelia J. W. Barry 1980-4-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR151384  Mentzelia Scott D. White, Kent Hughes 2000-5-16 7844 Los Angeles Transverse Ranges; San Gabriel Mtns region, Northern foothills near Acton; bajada slopes and unnamed ephemeral tributaries to Arrastre Canyon 1098 Comment
  UCR191191  Mentzelia R. G. Swinney 1999-7-5 7523 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  RSA0045375  Mentzelia Gary D. Wallace, M. Wallace 1983-5-20 2078 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  UCSB7346  Mentzelia affinis Wedberg, H. 1957-4-19 Los Angeles 0.5 mi E of Pearblossom 914 Comment
  UC872540  Mentzelia albicaulis Ira Waddell Clokey and B. C. Templeton 1930-4-8 4657 Los Angeles w Lanchaster 400 Comment
  RSA0019774  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2011-6-23 5756 Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  UCR197720  Mentzelia veatchiana Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 84 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  RSA341618  Mesembryanthemum nodiflorum F. C. Boutin 1967-4-23 1627 -b Los Angeles San Clemente Island: North end of island, at W end of air field runway. Comment
  RSA402638  Mesembryanthemum nodiflorum Anstruther Davidson 1892-06 s.n. Los Angeles Catalina Island. Comment
  SBBG108134  Mesembryanthemum nodiflorum S. L. Crockett 1997-3-20 594 Los Angeles point overlooking and NE of Ben Weston Beach 164 Comment
  UC284779  Mesembryanthemum nodiflorum P. A. Munz 1923-4-13 6786 Los Angeles San Clemente Island, along coast San Clemente Island Comment
  CAS-BOT-BC435281  Mesembryanthemum nodiflorum Alice Eastwood 1917-7-20 6450 Los Angeles Santa Catalina Island Comment
  LA200250  Micropus californicus var. californicus Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA393755  Micropus californicus var. californicus L. C. Wheeler 1934-4-17 2529 Los Angeles San Gabriel Mountains, Palmer Canyon 510 Comment
  CAS-BOT-BC174632  Microseris douglasii subsp. platycarpha Tim Ross 1993-4-22 6868 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); saddle on E side of peak 448 Comment
  UC557806  Microseris douglasii subsp. platycarpha Nell Murbarger 1936-3-1 51 Los Angeles San Clemente Island Comment
  POM363436  Microseris heterocarpa M. B. Dunkle 1939-4-6 7325 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA588913  Microseris lindleyi Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-8 2957 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
  UCR155372  Microseris lindleyi A. C. Sanders 2005-5-5 29918 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  UCR281963  Microseris lindleyi R. G. Swinney 2014-4-24 16196 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  RSA95244  Microseris lindleyi F. W. Peirson 1919-3-27 350 Los Angeles Hills west of Arroyo Seco, near Pasadena 426 Comment
  RSA311428  Microsteris gracilis Michael C. Long, D. W. Foster 1974-4-21 s.n. Los Angeles Devil's Punchbowl Co. Park, Holcomb Canyon. 1280 Comment
  UCR177926  Mimulus aurantiacus LeRoy Gross 2001-5-28 417 Los Angeles Los Angeles Basin region, Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City 476 Comment
  RSA442631  Mimulus aurantiacus var. pubescens Adele G. Axtman 1931-7-6 s.n. Los Angeles Foothills, South Pasadena Comment
  RSA442649  Mimulus aurantiacus var. pubescens Lester H. Cushman 1932-5-15 s.n. Los Angeles Glendale. Comment
  RSA597014  Mimulus aurantiacus var. pubescens Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3811 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  UCR270473  Mimulus aurantiacus var. pubescens R. G. Swinney 2011-7-7 15424 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCSB41772  Mimulus aurantiacus var. pubescens Lockyer, Jim 1970-3-9 Los Angeles In a canyon off of San Dimas Road; at the northern end of Puddingstone Dam 381 Comment
  RSA167845  Mimulus aurantiacus var. puniceus Robert F. Thorne, Percy C. Everett 1964-2-7 33476 Los Angeles Santa Catalina Island. Junction of Airport and Canyon road. 457 Comment
  UC1871221  Mimulus aurantiacus var. puniceus T. Ross 1993-4-21 6840 Los Angeles Santa Catalina Island; major E-W ridge between "Carlos" and Cactus Pk 396 Comment
  RSA182749  Mimulus brevipes J. Massey 1966-3-26 1121 Los Angeles Cobal Canyon near entrance. Comment
  RSA702369  Mimulus brevipes Scott D. White, Pam De Vries 2004-5-18 10421 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  SFV3378  Mimulus brevipes M. L. Vincent 1962-3-30 159 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Old Topanga Canyon Road. Roadside. 440 Comment
  UCR190027  Mimulus brevipes R. G. Swinney 1998-6-16 6982 Los Angeles San Gabriel Mtns., c. 1 km SE of summit of Lookout (Antonio) Mtn. on a connecting ridge top 1707 Comment
  RSA420680  Mimulus cardinalis M. A. Salazar 1969-8-12 s.n. Los Angeles Big Tujunga Canyon, c. 5 miles north of Tujunga 610 Comment
  POM5178A  Mimulus floribundus C. F. Baker 1903-8-2 3448 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA770345  Mimulus floribundus R. G. Swinney 2008-6-24 9085 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  POM262945  Mimulus fremontii J. C. Roos 1941-4-12 195 Los Angeles Palmdale. Comment
  LA51863  Mimulus guttatus W. O. Griesel; 1936-4-25 sn Los Angeles Comment
  UCR192924  Mimulus guttatus Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, lower Brush Canyon, Los Angeles 200 Comment
  RSA158276  Mimulus guttatus Peter H. Raven 1962-7-11 18002 Los Angeles Rocky walls of Twin Canyon, where scattered, San Clemente Island. 320 Comment
  RSA561608  Mimulus guttatus Steve Boyd, Orlando Mistretta 1993-5-18 8157 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tuhunga Ranger District of the Angeles National Forest. Upper Sombrero Canyon, just below western end of Sombrero Road (3N64). 792 Comment
  RSA659949  Mimulus johnstonii Orlando Mistretta 1992-5-18 349 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SFV16960  Mimulus johnstonii J. N. Hogue, P. Wilson 1997-6-27 87 .3 Los Angeles San Gabriel Mountains Highway 2, mile marker 54.22. Near Camp Valcrest. 1829 Comment
  UC203498  Mimulus johnstonii I. M. Johnston 1917-6-20 1486 Los Angeles Baldy Lookout of USFS San Antonio Mountains 2133 Comment
  RSA0056589  Mimulus johnstonii Valerie L. Soza, Sarah J. De Groot 2003-6-18 1693 Los Angeles Mount Hillyer Trail from Horse Flats Campground. 1829 Comment
  RSA0035198  Mimulus longiflorus Marianne Marshall 1981-4-26 8 Los Angeles East Fork Rd., San Gabriel Cyn., across road from gate leading to fire stn. Comment
  RSA628638  Mimulus moschatus Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: South fork Big Rock Creek, at Angeles Crest Highway. 2309 Comment
  UC1409142  Mimulus nasutus Robert F. Thorne 1973-4-11 42837 Los Angeles Norton Canyon San Clemente Island 274 Comment
  RSA755900  Mimulus pilosus R. G. Swinney 2008-7-24 9293 Los Angeles Waterman Mountain 2412 Comment
  SBBG10551  Mirabilis californica R. Moran 1959-3-9 7170 Los Angeles 2 mi SE of Eel Pt Comment
  CATA1952  Mirabilis laevis Robert F. Thorne, M. Z. Thorne 1973-2-12 42468 Los Angeles Santa Catalina Island: N of Marine Science Station at Fisherman's Cove 45 Comment
  RSA0004393  Mirabilis laevis var. cordifolia M. B. Dunkle 1939-4-3 7234 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  CATA3329  Mirabilis laevis var. crassifolia Amy Catalano 2017-4-13 046 Los Angeles Santa Catalina Island: Edge of small rivulet about 170 meters SW of junction of Silver Peak and Water Tank roads 291 Comment
  RSA59141  Mirabilis laevis var. crassifolia G. R. Campbell 1950-4-17 14585 Los Angeles Escondido Canyon, leading to Malibu Lake, ca. 5 miles above Highway Alt. 101. 457 Comment
  UC1124542  Monardella A. Simontacchi 1935-5-26 46 Los Angeles 1 1/4 mi ese Manzana; Tejon Quadrangle Comment
Read comments
Dec 10 2008
  SD65470  Monardella breweri subsp. lanceolata Reid Moran 1967-7-22 14085 Los Angeles Canyon south of Chilao, San Gabriel Mountains. 1550 Comment
  SDSU7181  Monardella exilis D. F Howe 1947-5-5 1527 Los Angeles Highway between Palmdale and Little rock Antelope Valley, LA. co. Comment
  UCR116289  Monardella exilis B. G. Pitzer 1998-5-12 3699 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  UCR234181  Monardella exilis B. G. Pitzer 1998-5-12 3680 Los Angeles Western Mojave Desert, c. 18 mi. north of Adelanto, on 240th Street East, c. 2.8 mi north of intersection with El Mirage Road (= Avenue 'P'), and 3.2 mi. south of Avenue 'J 953 Comment
  SEINET3996158 Image available Monardella exilis Victor Duran 1933-5-23 3415 Los Angeles Near Lancaster 716 Comment
  CAS-BOT-BC215612  Monardella linoides subsp. erecta Joseph Andorfer Ewan 1936-7-29 9865 Los Angeles North side of Table Mt. at summit, San Gabriel Mts. Comment
  RSA651647  Monardella linoides subsp. stricta Marion P. Harthill 1971-9-25 577 Los Angeles Mt. Baden Powell, Angeles National Forest. 2134 Comment
  UC527621  Mucronea californica C. B. Wolf 1931-7-2 2261 Los Angeles 1/2 mi above bridge on the road from Sunland to San Fernando; Little Tujunga Wash 335 Comment
  CAS-BOT-BC263357  Muhlenbergia asperifolia G. B. Grant 1897-9-11 s.n. Los Angeles Los Angeles Comment
  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
  POM210089  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork, Big Rock Creek 1600 Comment
  CDA30164  Muhlenbergia microsperma J. Dittes, J Guardino 2008-2-23 1501 Los Angeles Transverse Ranges; San Gabriel Mountains; Big Tujunga Canyon; circa 2.4 air-miles southeast of Mount McKinley, circa 4.3 air-miles west of Big Tujunga Reservoir, circa 3.4 air-miles northeast of Mount Gleason Jr. High School; near Delta Flat Picnic Area. Comment
  RSA535876  Muhlenbergia microsperma Timothy S. Ross 1991-9-1 5905 Los Angeles Near Mulholland Hwy x Yerba Buena Road. 405 Comment
  RSA739661  Muhlenbergia microsperma John Dittes 2006-6-4 1393 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Raod, 2.3 ir miles NW of chatsworth Highchool, 0.9 air mile W of Topanga Blvd, 0.8 air mile ENE of Santa Susana Pass 381 Comment
  UC60838  Muhlenbergia microsperma Dr. A. Davidson Los Angeles Los Angeles Comment
  LA10092  Muhlenbergia rigens Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA607624  Muhlenbergia rigens L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Goldenrod Spring, Ebey Canyon. 594 Comment
  RSA725113  Muilla maritima Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -55 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UCR273304  Muilla maritima R. G. Swinney 2011-5-10 14652 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  RSA377608  Muilla maritima Geo L. Moxley 1915-5-31 332 Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  LA201539  Myoporum laetum Arthur C. Gibson; 2001-5-19 4887 Los Angeles 12 Comment
  UC1929619  Nama demissa Scott D. White 2003-6-8 9505 Los Angeles W MOJAVE DESERT: Near Lake Los Angeles. North of Avenue O and east of 150th St. E. Comment
  UCR51505  Narcissus tazetta A. C. Sanders 1988-2-3 7608 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  LA99131  Nassella cernua R. L. Armacost; 1968-4-18 2363 Los Angeles SANTA MONICA MOUNTAINS, Franklin Hill. Comment
  UC1133145  Nassella cernua R. St. John 1933-3-25 356 Los Angeles Limekiln Canyon Santa Susana Quadrangle 396 Comment
  CAS-BOT-BC259919  Nassella lepida Geo. B. Grant 1904-3-31 3595 Los Angeles Pasadena Comment
  SBBG77204  Nassella lepida F. R. Fosberg 1931-3-19 4304 Los Angeles Hamilton Cyn near Avalon 10 Comment
  SBBG128266  Nassella pulchra D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 9 Los Angeles Deer Valley Trail 4 Comment
  RSA601171  Nasturtium officinale L. C. Wheeler 1967-6-26 9898 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  RSA736058  Nasturtium officinale L. M. Prince 2007-12-3 503 Los Angeles Vons grocery store. Baseline Road, Claremont. Comment
  LA206704  Navarretia hamata W. R. Ernst; May 1948 sn Los Angeles lower San Gabriel canyon Comment
  RSA65001  Nemacaulis denudata var. denudata F. W. Peirson 1951-8-18 1781 Los Angeles Alamitos, Long Beach Comment
  RSA778748  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-3 5246 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  JEPS5226  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 220 Los Angeles foothills e. of Rubio Canyon; San Gabriel Mountains 609 Comment
  UCR252886  Nemacladus secundiflorus R. G. Swinney 2010-5-11 12656 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA729679  Nemacladus sigmoideus R. G. Swinney 1999-6-21 7389 Los Angeles nameless canyon immediately west of Jesus Canyon. Dry, narrow, canyon bottom in pinyon-juniper woodland with Fremontodendrom and Pinus monophylla. 1585 Comment
  UCR223817  Nemacladus sigmoideus R. G. Swinney 2009-6-17 11169 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  JEPS31041  Nemacladus sigmoideus W. P. and A. G. Vestal 1963-5-22 63530 .2 Los Angeles ca 6 mi wsw Big Pines (n slope of San Gabriel Mts.); San Gabriel Mts. 1584 Comment
  SFV6664  Nemophila menziesii T. Gordon, K. A. Wilson, J. Cicero 1974-5-24 223 Los Angeles San Gabriel Mountains Gold Creek Canyon. Side canyon of Little Tujunga Canyon. Watts Ranch. 660 Comment
  RSA48457  Nemophila menziesii var. integrifolia P. A. Munz 1925-3-16 9356 Los Angeles Cobal Canyon, north of Claremont. 488 Comment
  RSA613606  Nerium oleander L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Pacoima Canyon at Ant Canyon. 678 Comment
  UC402659  Nicotiana attenuata Katharine Brandegee Los Angeles Ravena Comment
  UCR113694  Nicotiana attenuata L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mtns, Doe Flat, Graveyard Canyon 823 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
  RSA426786  Nicotiana glauca Howard Mullins 1931-3-15 s.n. Los Angeles Chatsworth. Comment
  SEINET10851870  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3957 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA686405  Notholaena californica W. G. Webb 1932-3-13 187 Los Angeles Fish Canyon 534 Comment
  SBBG14833  Notholaena californica L. L. Kiefer 1963-12-30 346 Los Angeles entrance to cyn, just E of cmpgrd, Placerita Cyn St Park 304 Comment
  UC1007095  Oenothera glazioviana P. A. Munz 1937-7-5 14696 Los Angeles Claremont Comment
  UCR205658  Oenothera laciniata A. C. Sanders, T. B. Salvato 2009-5-20 36871 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  SBBG126148  Oenothera rosea A. C. Sanders with T. B. Salvato 2009-5-21 36906 Los Angeles Whittier Narrows, between San Gabriel River and Rio Hondo, W side of Hwy 19 (Rosemead Blvd) along rd to shooting area, S of Hwy 60 along SCE powerlines 64 Comment
  RSA0076321  Opuntia basilaris var. basilaris T. S. Ross 1991-4-28 4780 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  CAS-BOT-BC56214  Opuntia basilaris var. basilaris Ira L. Wiggins 1937-3-10 8775 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA0080358  Opuntia basilaris var. brachyclada R. G. Swinney 2011-6-29 15339 Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon and confluence with Mill Creek. 1098 Comment
  RSA730394  Oreonana vestita R. G. Swinney 1998-8-27 6818 Los Angeles San Gabriel Mtns.: West Baldy Peak 3018 Comment
  RSA0084144  Orobanche californica subsp. feudgei Albert J. Perkins 1919-5-30 s.n. Los Angeles Big Rock Creek. Comment
  RSA0070939  Orobanche fasciculata Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge, at head of Brainard Canyon. 1402 Comment
  JEPS13148  Osmadenia tenella Elizabeth Day Palmer 1908-8-1 Los Angeles Los Angeles Comment
  POM295595  Osmorhiza brachypoda Lyman Benson 1945-3-30 11650 Los Angeles Canyon at Padua Hills above Claremont. 549 Comment
  CATA2894  Osteospermum fruticosum Sara L. Crockett 1996-10-28 14 Los Angeles Santa Catalina Island: Casino, along walkway and perimeter of building 9 Comment
  RSA785299  Oxalis corniculata Doris Bowers 1957-5-20 110 Los Angeles LaVerne College 305 Comment
  UCD110990  Oxalis pilosa E. K. Balls 1960-4-14 24087 Los Angeles in the Botanic Garden, Claremont. 396 Comment
  RSA732923  Oxytheca parishii var. parishii R. G. Swinney 1999-8-16 7636 Los Angeles San Gabriel Mtns.:Grandview Canyon, c. 100 m north of Big Pines Highway at All Nations Camp. 1695 Comment
  UC205609  Packera ionophylla I. M. Johnston 1918-7-6 2085 Los Angeles near Head of Prairie Fork of San Gabriel River; San Antonio Mountains, San Gabriel River 2286 Comment
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Sep 2 2014
  UCR271536  Paeonia californica R. G. Swinney 2011-3-18 14172 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA737847  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2008-10-5 08 -294 Los Angeles Los Angeles County: San Dimas, Puddingstone Reservoir, Bonelli Region County Park. 290 Comment
  UCR127172  Panicum miliaceum subsp. miliaceum A. C. Sanders, Mark A. Elvin 2003-6-20 27003 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  RSA445550  Papaver californicum Bonnie C. Templeton 1931-3-1 s.n. Los Angeles Mandeville Canyon. 350 Comment
  UC1870193  Parietaria hespera var. californica LeRoy Gross, Valerie Soza 2001-6-6 432 Los Angeles Los Angeles Basin: Verdugo Mountains Region: north side; Hostetter Mountain Way, off of La Tuna Canyon Road 701 Comment
  RSA716872  Parthenocissus vitacea Scott D. White, Andrea Warniment 2006-7-18 11635 Los Angeles SE Tehachapi Mtns: Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway. 1006 Comment
  RSA601137  Paspalum dilatatum L. C. Wheeler 1946-6-23 6216 Los Angeles Alhambra. 16 North Abramson St. Comment
  CDA36204  Passiflora caerulea A. C. Sanders, T. B. Salvato 2009-5-21 36900 Los Angeles San Gabriel Valley Whittier Narrows; Between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines. Comment
  RSA736336  Passiflora caerulea Scott D. White, Justin M. Wood 2008-5-19 12018 Los Angeles Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. 67 Comment
  UCR95371  Pectocarya anisocarpa T. S. Ross 1995-4-7 8350 Los Angeles 'Old Ridge Route': 3.95 mi north of its junction with Lake Hughes Road, west of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 631 Comment
  RSA0097168  Pectocarya linearis subsp. ferocula R. G. Swinney 2011-4-20 14457 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UCR255805  Pectocarya penicillata R. G. Swinney 2010-5-12 12751 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
  SD90384  Pectocarya setosa Robert F. Thorne, C. W. Tilforth 1973-4-20 42997 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1 mile north of Bob's Gap, 3.2 miles south of Llano, north slope of Holcomb Ridge 1145 Comment
  RSA80832  Pedicularis densiflora F. W. Peirson 1921-4-21 2363 Los Angeles Sycamore Flat Ridge, San Gabriel Mtns. 854 Comment
  SBBG68696  Pedicularis semibarbata Anstruther Davidson 1893-1 Los Angeles Rock Crk Comment
  LA94153  Pellaea andromedifolia Lawrence L. Kiefer; 1966-4-30 1951 Los Angeles SANTA MONICA MOUNTAINS, ca 1.5 mi SW of Lake Sherwood. 304 Comment
  SEINET6195227 Image available Pellaea andromedifolia A. Boynton 1966-1 18 Los Angeles Altadena, Millard Canyon, 15 mi. NW of Altadena on Chaney Trail 610 Comment
  UCR276914  Pellaea andromedifolia R. G. Swinney 2011-3-29 14283 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  CAS-BOT-BC67704  Pellaea andromedifolia unspecified 1902-5-23 221 Los Angeles Little Santa Anita Canyon 762 Comment
  CAS-BOT-BC67711  Pellaea andromedifolia R. M. Beauchamp 1967-1-27 112 Los Angeles San Clemente Island - field east of Wilson Cove area. Comment
  SD81804  Pellaea andromedifolia var. andromedifolia Fay A. MacFadden 1931-3-11 Los Angeles Tuna Canyon, Verdugo Hills Comment
  SEINET11713872  Pellaea mucronata W. R. Hamilton 1901-1 s.n. Los Angeles near Long Beach Comment
  UCR198287  Pennisetum clandestinum LeRoy Gross, Steve Boyd, Naomi Fraga, Valerie Soza 2006-3-17 2455 Los Angeles Transverse Ranges, Verdugo Mountains, north side of the range, Whiting Woods Road c. half way to the main crest 669 Comment
  RSA0055991  Pennisetum setaceum Richard G. Swinney 2010-3-16 11926 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
  SEINET210044  Penstemon centranthifolius P. S. Ratlle 1938-7-1 Los Angeles Found growing in the San Gabriel Mountains Comment
  RSA97010  Penstemon grinnellii subsp. grinnellii R. M. Straw 1954-6-7 599 Los Angeles Crystal Lake, upper San Gabriel River canyon, San gabriel Mountains. 1524 Comment
  NY601186  Penstemon grinnellii var. grinnellii C. B. Wolf 1936-5-27 7840 Los Angeles San Gabriel Mountains, Indian Canyon Camp, 2 miles off Soledad Canyon 914.4 Comment
  SFV18222  Penstemon grinnellii var. grinnellii M. Danielczyk 2001-5-16 33 Los Angeles San Gabriel Mountains Highway 2, mile marker 43.17. 1450 Comment
  UCR142909  Penstemon grinnellii var. scrophularioides Fay A. MacFadden 1931-4-22 2633 Los Angeles Transverse Ranges; Liebre Mtns region, Spunky Canyon, off Bouquet Canyon 1220 Comment
  UC1063389  Penstemon heterophyllus A. D. Gifford 1934-4-23 145 Los Angeles 1 mi w Castro Peak; Triunfo Pass Quadrangle Comment
  PASA879  Penstemon heterophyllus Frank W. Peirson 1929-7-1 Los Angeles Aliso Creek at Tie Canyon, San Gabriel Mts. 1356 Comment
  SEINET12320817  Penstemon spectabilis T. P. Spira 1976-1 59 Los Angeles ca 1 mi E of Las Virgenes Road, off of Mulholland Hwy Associates 152 Comment
  NY661214  Penstemon spectabilis var. subviscosus G. D. Wallace 1966-5-3 528 Los Angeles 1/2 mile south of Huntington Dr. on east side of Duarte Comment
  SFV14649  Pentagramma triangularis J. C. Dittes, C. Williams 1989-4-29 3 Los Angeles San Gabriel Mountains Upper Big Tujunga River (Wikiup), 0.25 miles downstream from bridge to Camp Colby. 915 Comment
  LA94203  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1963-6-9 542 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon 121 Comment
  SBBG13266  Pentagramma triangularis subsp. viscosa M. A. Piehl 1962-6-9 62322 a Los Angeles head of cyn just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  SEINET5767576  Peritoma arborea A. A. Heller 1908-6-19 8956 Los Angeles Santa Catalina Island, near Avalon Comment
  SJSU1844  Peritoma arborea C. W. Sharsmith 1957-4-13 6377 Los Angeles 1 mi S of Gorman 1066 Comment
  SD75607  Peritoma arborea var. globosa Reid Moran 1941-3-2 668 Los Angeles Santa Catalina Island; south of Wilson's Harbor. 24 Comment
  RSA535716  Perityle emoryi Timothy S. Ross 1991-5-22 5460 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
  RSA0072144  Petalonyx thurberi Orlando Mistretta, Mike Hammitt 1991-4-16 s.n. Los Angeles Bee Canyon. 582 Comment
  RSA226043  Petalonyx thurberi subsp. thurberi Robert F. Thorne, C. W. Tilforth 1971-6-17 39897 Los Angeles N slope of San Gabriel Mountains: near junction of Bee Canyon with Santa Clara River valley, 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter. 549 Comment
  PASA1366  Phacelia bicolor Stason 1930-3-18 Los Angeles W. of Adelanto Comment
  UCR277145  Phacelia brachyloba R. G. Swinney 2011-6-15 15208 Los Angeles San Gabriel Mountains, Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy 1631 Comment
  CLARK-A1528-5434  Phacelia cicutaria John C. Roos 1947-5-17 3627 Los Angeles Placerita Canyon Comment
  CHSC35485  Phacelia cicutaria var. hispida James Henrickson; E. Parker 1973-6-8 10648 Los Angeles Santa Monica Mts., 1/2 mile N of Topanga, on ridge above Topanga school. 259 Comment
  CHSC98105  Phacelia cicutaria var. hispida LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1031 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. East-facing near base of steep slope, some cliffy. UTM Zone 11; 3783279N, 0382445E. 262 Comment
  LA40167  Phacelia cicutaria var. hispida Pickman; 1961-5-11 10 Los Angeles Santa Monica Mountains, Mulholland Drive, Seminole Hot Springs 365 Comment
  RSA187968  Phacelia cicutaria var. hispida Robert F. Thorne 1966-4-7 35950 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  RSA582641  Phacelia cicutaria var. hispida E. Lloyd 1933-4-13 s.n. Los Angeles Santa Monica Mountains; Temescal Canyon Comment
  UCR126818  Phacelia cicutaria var. hispida A. C. Sanders, Mark A. Elvin 2003-6-18 26957 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
  RSA763228  Phacelia cryptantha Justin M. Wood 2010-5-10 1566 Los Angeles San Gabriel Mountains. Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  RSA597012  Phacelia curvipes Tim S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3807 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  UCR189724  Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 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
  POM73563  Phacelia distans Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  RSA134840  Phacelia distans Peter H. Raven 1960-4-2 14860 Los Angeles Mulholland Hwy, 1 mile W of Las Virgenes Road. Malibu Creek drainage 213 Comment
  RSA599547  Phacelia distans Steve Boyd, Lauren Raz 1997-4-16 9529 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
  SD139561  Phacelia distans Jon Rebman, Jonathan Dunn 1996-4-29 3102 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 10 Comment
  SFV3003  Phacelia distans H. L. Bauer 1941-4-21 647 Los Angeles Playa del Rey. 61 Comment
  LA81953  Phacelia distans O. H. Kappler; 1941-3-26 156 Los Angeles Santa Monica Mountains, Carbon Canyon, along US Hwy 101 Comment
  RSA229201  Phacelia distans Robert F. Thorne 1971-6-30 40825 Los Angeles San Gabriel Mountains. 1555 Comment
  RSA596372  Phacelia distans R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness park, Big Dalton Canyon. Big Dalton Canyon Rd, 1.4 mi. E of Glendora Mtn. Rd 457 Comment
  UC57028  Phacelia distans Geo. B. Grant April, 1902 4061 Los Angeles near Pasadena; Altadena Comment
  RSA60724  Phacelia douglasii Frank W. Gould 1944-4-1 s.n. Los Angeles Playa Del Rey, near and south of Los Angeles County. Comment
  UCR259903  Phacelia douglasii R. G. Swinney 2010-6-1 13083 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  RSA426163  Phacelia fremontii T. W. Minthorn 1923-5-30 s.n. Los Angeles 3 miles W of Palmdale Comment
  SFV16104  Phacelia fremontii S. Mason, et al. 1995-4-23 51 Los Angeles Mojave Desert Little Rock. Mount Emma Road, 0.8 miles above Fort Tejon Road on northern foothills of Transverse Range. 915 Comment
  RSA427970  Phacelia grandiflora L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA700379  Phacelia hubbyi Valerie L. Soza, LeRoy Gross 2000-5-25 963 -b Los Angeles South side; North of fire road between Ebey and Doane canyons, south of Goldenrod Spring, above Sunland. 549 Comment
  SFV6285  Phacelia imbricata M. H. Grayum, K. Felt 1974-5-22 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain. Along main ridge road. 1029 Comment
  UC1244094  Phacelia imbricata subsp. patula L. R. Heckard 1953-6-16 515 Los Angeles near Blue Ridge Camp Ground (above Swartout Valley); San Gabriel Mountains, Angeles National Forest, Blue Ridge 2529 Comment
  RSA733395  Phacelia lemmonii R. G. Swinney 2001-6-2 7956 Los Angeles San Gabriel Mtns./Mojave Desert: Juniper Hills, junction of Tumbleweed Rd. and Long View Rd. (131st St. East) in ravine west of Long View Comment
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May 13 2009
  RSA68362  Phacelia longipes Verne Grant 1951-7-17 16086 Los Angeles San Antonio Canyon. 1982 Comment
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Apr 24 2016
  UC1348981  Phacelia longipes Robert F. Thorne, M. Z. Thorne 1967-7-19 37199 Los Angeles between Deer Flat Camp and Big Cienega Springs (above Crystal Lake Recreation Area); San Gabriel Mts., Angeles National Forest 1950 Comment
  RSA198818  Phacelia lyonii Robert F. Thorne, D. Propst 1968-5-27 37638 Los Angeles Santa Catalina Island, lower end of Middle Ranch Canyon Comment
  SD85034  Phacelia lyonii E. R. Blakely 1962-6-9 5206 Los Angeles San Clemente Island, 2.5 miles north of China Point, canyon west of road 213 Comment
  CHSC95423  Phacelia minor LeRoy Gross 2005-4-28 2169 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road.Than dropped off reidge into canyon bottom back to origin. 1324 Comment
  UC1174711  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  UC1174717  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  UCR276912  Phacelia minor R. G. Swinney 2011-3-29 14261 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UCSB10359  Phacelia minor Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre Canyon, L.A. 304 Comment
  RSA783491  Phacelia parryi J. D. Olmsted 1958-3-11 44 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, [city of] Claremont near eastern boundary of Los Angeles County. 366 Comment
  UCSB10393  Phacelia parryi Wedberg, H. 1957-4-6 Los Angeles Latigo Canyon mouth Comment
  UC1069417  Phacelia ramosissima var. ramosissima Jerome S. Horton 1936-7-18 209 Los Angeles above Dalton Canyon C.C.C. Camp; Pomona Quadrangle, Dalton Watershed 426 Comment
  RSA426116  Phacelia stellaris T. W. Minthorn 1923-4-3 s.n. Los Angeles Los Angeles vicinity Comment
  POM73662  Phacelia viscida var. albiflora H. E. Hasse 1890-05 s.n. Los Angeles Hillside and Canyon Comment
  RSA584099  Phalaris aquatica Timothy S. Ross, Steve Boyd 1990-5-15 2525 Los Angeles Peripheral ridge N from Yerba Buena Ridge Rd. dividing tributaries of Oak Spring Canyon and Boulder Canyon. ...introduced along the Forest Service road margin, where common. 914 Comment
  UCD88789  Phalaris canariensis Robert F. Thorne 1966-6-1 36481 Los Angeles Santa Catalina Island. Bird Park, Avalon. 30 Comment
  UCR127052  Phlox gracilis M. S. Enright 2003-5-24 s.n. Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR191709  Phlox gracilis A. C. Sanders 2008-4-11 34863 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  RSA0097611  Phoenix canariensis R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14353 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 268 Comment
  POM3467  Pholistoma auritum George B. Grant 1902-04 832 Los Angeles Garvanza. Comment
  RSA527794  Pholistoma auritum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4359 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC1584874  Pholistoma auritum Tim Ross 1991-4-8 4458 Los Angeles western Pomona (Elephant Hill); San Dimas U.S.G.S. 7.5' Quad., , Elephant Hill 228 Comment
  CSUSB125  Pholistoma auritum Dick Bernier 1966-4-3 Los Angeles 500 yards along a woodland canyon at the end of 14th Street in Puente Hills. 213 Comment
  SDSU6892  Pholistoma auritum R. M Beauchamp 1967-3-18 293 Los Angeles Growing over debris at dump in canyon below Lemon Tank. San Clemente Island. Comment
  LA205674  Pholistoma auritum var. auritum J. Sauer; R. Brumbaugh 1973-4-28 5447 Los Angeles Santa Monica Mountains, Temescal Canyon, upper canyon Comment
  SEINET3101626 Image available Pholistoma membranaceum Richard G. Swinney 2009-4-2 10251 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1223 Comment
  UCR65231  Pholistoma racemosum R. F. Thorne 1973-4-11 s.n. Los Angeles Channel Islands, Santa Catalina Island: rocky slopes of upper part of Middle Ranch Canyon 381 Comment
  RSA527623  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4407 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UCR206450  Phoradendron densum R. G. Swinney 2008-6-9 8967 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA598086  Phoradendron pauciflorum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3782 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  RSA97451  Phoradendron villosum F. W. Peirson 1921-11-12 31 Los Angeles Collins Ranch, Liebre Mts. 1372 Comment
  RSA599606  Phragmites australis Steve Boyd, Lauren Raz 1997-4-16 9500 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5., Near 34? 41' 58.3''N 118 ? 46' 58.7''W. 853 Comment
  RSA682948  Phyllospadix torreyi E. Yale Dawson 1957-6-30 17175 Los Angeles Lunada Bay, Station #25. Comment
  RSA187693  Picris echioides R. F. Thorne 1966-9-14 36664 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  UCR97810  Picris echioides Scott D. White 1997-3-12 4745 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  HSC12254  Pinus attenuata Wendell Wood 1970-6-24 49 Los Angeles Switzer's Camp, Angeles Crest Hwy. 9 mi beyond intersection with Foothill Blvd. 915 Comment
  CATA1928  Pinus coulteri Amy Catalano, Anne Kelly 2014-10-14 019 Los Angeles Santa Catalina Island: One-quarter mile west of Cape Canyon reservoir, along Cape Canyon Road 315 Comment
  CAS-BOT-BC78599  Pinus flexilis Robert F. Thorne 1971-8-25 41277 Los Angeles San Gabriel Mts., Angeles National Forest: Summit of Mt. Hawkins 2697 Comment
  RSA229046  Pinus flexilis Robert F. Thorne 1971-8-25 41277 Los Angeles Mt. Hawkins 2698 Comment
  RSA250382  Pinus jeffreyi Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42243 Los Angeles Angeles National Forest; just east along trail from peak of Mount Islip 2439 Comment
  RSA384352  Pinus lambertiana B. C. Templeton 1932-5-31 4863 Los Angeles Between Big Pines Camp and Jackson Lake. Big Pines Park, Angeles National Forest 2000 Comment
  RSA585772  Pinus lambertiana Orlando Mistretta 1995-7-11 1884 Los Angeles Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  RSA771573  Pinus lambertiana R. G. Swinney 2009-6-2 11011 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA628322  Pinus monophylla L. C. Wheeler 1970-7-24 s.n. Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area; Pinyon Ridge; Pinyon Trail. 1768 Comment
  SBBG13828  Piperia cooperi E. R. Blakley 1962-10-5 5438 Los Angeles ca. 2 mi from Rancho Escondido on the rd toward the airport 228 Comment
  RSA0105043  Piptatherum miliaceum R. G. Swinney 2011-10-27 15918 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  CATA2198  Pittosporum undulatum Sara L. Crockett, Michael Daligdig 1996-10-21 3 Los Angeles Santa Catalina Island: Descanso Beach Club 15 Comment
  RSA653372  Pittosporum undulatum LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 268 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  UC1922900  Plagiobothrys canescens Scott D. White, Brian Leatherman 2005-3-18 10801 Los Angeles South Coast region: City of Glendora, South Hills, just north of the I-120 Freeway. Ca. 0.3 air mi ENE of the I-210 / Sunflower intersection. San Dimas 7.5' Quad. Comment
  POM368939  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-3-25 4379 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 100 Comment
  SBBG125471  Plagiobothrys collinus var. fulvescens A. Parikh, N. Gale 2010-6-18 3340 Los Angeles upper Big Tujunga Cyn, 0.9 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  JEPS6416  Plantago erecta John Thomas Howell 1928-3-20 3480 Los Angeles Vermont Canyon Griffith Park Comment
  UC1211109  Plantago erecta Huron H. Smith 1912-5-1 4890 Los Angeles Eagle Rock Valley 152 Comment
  RSA402027A  Plantago erecta Robert Gustafson, Christopher Davidson 1977-4-20 410 Los Angeles Escondido Cyn. Road, about 1 mi NE of junction with Agua Dulce Cyn. Road. 762 Comment
  RSA523630  Plantago erecta J. T. Howell 1928-3-20 3480 Los Angeles Vermont Canyon, Criffith Park. Comment
  SBBG112931  Plantago major S. A. Junak 1997-11-15 SCa 481 Los Angeles Avalon Cyn, at Los Angeles County Interpretive Center 76 Comment
  RSA228900  Platanthera sparsiflora Robert F. Thorne 1971-8-25 41297 Los Angeles San Gabriel Mountains, Angeles National Forest: At Little Jimmy Springs. 2256 Comment
  CAS-BOT-BC93182  Platanus racemosa Peter H. Raven 1957-9-21 11365 Los Angeles Topanga Canyon 2.3 miles above U.S. 101 alternate, Santa Monica Mountains. Comment
  UCR216903  Platanus racemosa R. G. Swinney 2009-3-11 10084 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA249790  Platystemon californicus Robert F. Thorne 1973-5-11 43480 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  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
  SBBG28922  Plectritis ciliosa subsp. ciliosa L. C. Wheeler 1932-3-26 537 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  POM21359  Pluchea odorata Fordyce Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom, near Los Angeles. Comment
  RSA624001  Poa annua Cora Mae Life 1935-03 s.n. Los Angeles Los Angeles - along roadside everywhere Comment
  RSA0091792  Poa secunda R. G. Swinney 2011-4-1 14292 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA586968  Poa secunda Orlando Mistretta 1995-5-23 1712 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. W side tributary drainage NE of Pacifico Mtn. 1875 Comment
  RSA771631  Poa secunda R. G. Swinney 2009-5-20 10800 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA773676  Poa secunda R. G. Swinney 2009-6-3 11045 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR221909  Poa secunda R. G. Swinney 2009-4-28 10533 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA92321  Poa secunda var. secunda F. W. Peirson 1921-5-3 1549 Los Angeles Bear Canyon Ridge west of Mt. Lowe 1219 Comment
  CATA3030  Polycarpon tetraphyllum Amy Catalano 2016-3-14 036 Los Angeles Santa Catalina Island: 106 Middle Ranch, backyard, along back side of house and sidewalk 202 Comment
  UCR276743  Polycarpon tetraphyllum R. G. Swinney 2010-8-11 13500 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  SD237567  Polygonum aviculare R. G. Swinney 2009-8-25 11473 Los Angeles Transverse Range: San Gabriel Mountains: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn, Road and Big Pines Road (Mescal Creek 7.5'Q) 2061 Comment
  UCR213576  Polygonum aviculare A. C. Sanders, Dan S. Cooper 2010-4-30 38161 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA607605  Polygonum lapathifolium Louis C. Wheeler 1966-10-27 9099 Los Angeles San Gabriel Mts., Angeles National Forest: in W fork of San Gabriel River at Camp Rincon. Comment
  CATA930  Polypodium californicum Mark L. Hoefs, Robert Given 1992-4-16 1789 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  POM12510  Polypodium californicum M. L. Kendall 1921-3-23 117 Los Angeles Lone Hill, San Dimas Comment
  RSA689888  Polypodium californicum M. B. Dunkle 1929-2-10 2050 Los Angeles Santa Catalina Island, Bullrush Canyon. 1000 Comment
  UC1584712  Polypodium californicum Tim Ross 1991-3-24 4300 Los Angeles small canyon that drains n to Turnbull Canyon from the nw side of Workman Hill; Whittier Hills (Puente Hills, pro parte) 341 Comment
  UCR194273  Polypodium californicum R. G. Swinney, Dave Larson 1999-6-25 7396 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  POM18424  Polypodium californicum P. A. Munz 1923-4-9 6653 Los Angeles San Clemente Island, north-facing canyon; east coast Comment
  UCSB62300  Polypodium californicum Kiefer, Lawrence 1966-9-5 Los Angeles San Gabriel Mtns., E fork of the San Gabriel River, ca. 0.5mi above Fish Fork Camp 1066 Comment
  UCSB62338  Polypodium californicum Kiefer, Lawrence 1967-4-1 Los Angeles San Gabriel Mtns., N of Pasadena, Pasadena Glen, ca. 1/2mi from the end of the road 609 Comment
  UCSB62378  Polypodium californicum Kiefer, Lawrence 1967-5-13 Los Angeles San Gabriel Mtns., N of Mt. Wilson, Shortcut Canyon, tributary of the W fork of the San Gabriel River 1066 Comment
  UCSB62402  Polypodium californicum Kendall, M 1921-3-19 Los Angeles Puddingstone Canyon Comment
  UCSB62425  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62461  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  CATA109  Polypogon interruptus Peter Henrikson 1987-4-23 81 Los Angeles Santa Catalina Island: Lower Middle Canyon 45 Comment
  CATA826  Polypogon monspeliensis Mark L. Hoefs 1991-6-17 1418 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon 329 Comment
  RSA601051  Polypogon monspeliensis Steve Boyd, Lauren Raz 1997-6-18 9977 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SBBG59504  Polypogon monspeliensis M. N. Ackley -Jun-1927 12 Los Angeles Sycamore Park 228 Comment
  UCR214647  Polypogon monspeliensis A. C. Sanders, Dan S. Cooper 2010-4-30 38157 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET3282793 Image available Polypogon viridis R. G. Swinney 2008-7-12 9169 Los Angeles San Gabriel Mtns.; San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon. 573 Comment
  RSA729890  Polystichum imbricans subsp. curtum R. G. Swinney 1998-8-30 6858 Los Angeles South fork of Dry Lake Canyon, a western tributary of San Antonio Canyon. 985 Comment
  CAS-BOT-BC410010  Populus X parryi Carl B. Wolf 1932-5-12 3603 Los Angeles Santa Catalina Island, Cottonwood Canyon at bridge on Isthmus Road 15 Comment
  RSA444308  Populus balsamifera subsp. trichocarpa Walter Wisura 1988-2-3 4179 Los Angeles San Antonio Canyon below the tunnels. Comment
  RSA5798  Populus fremontii B. D. Stark 1932-11-20 4422 Los Angeles Lobo Canyon, Santa Monica Mountains 274 Comment
  UCSB18521  Populus fremontii subsp. fremontii Gardner, Ivana 1963-3-29 Los Angeles Near buildings at railway and highway junction; 150 feet southwest of State Highway 126 and U.S. Highway 99, Castaic Junction 309 Comment
  UC624984  Populus trichocarpa F. R. Fosberg 1931-4-28 S 4704 Los Angeles Eagle's Nest Santa Catalina Id. (Middle Ranch Canyon); , Middle Ranch Canyon 180 Comment
  RSA732908  Potamogeton crispus R. G. Swinney 1997-6-19 5610 -B Los Angeles San Gabriel Mtns.: SE end of Jackson Lake, west of Wrightwood 1872 Comment
  RSA608016  Potamogeton foliosus var. foliosus L. C. Wheeler 1950-9-23 6793 Los Angeles San Gabriel Mountains: Paloma Flat. Big Tujunga Canyon. 560 Comment
  CAS-BOT-BC143085  Potentilla anserina subsp. pacifica Le Roy Abrams 1901-4-11 1463 Los Angeles Ballona Creek, Mesmer Comment
  LA34194  Potentilla glandulosa subsp. glandulosa Henry J. Thompson; 1959-5-31 2054 Los Angeles Santa Monica Mountains, just E of junction of Latigo Canyon Rd with Mulholland Hwy 518 Comment
  UC1128354  Prunus fasciculata H. A. Jensen 1933-5-9 295 Los Angeles NW of Shoemaker (Rock Creek) 1185 Comment
  UCSB8567  Prunus ilicifolia subsp. ilicifolia Kraebel, C. 1932-6-4 Los Angeles San Dimas Canyon, SRE plots Comment
  JEPS44614  Prunus ilicifolia subsp. lyonii W. L. Jepson 1908-7-12 3044 Los Angeles Santa Catalina Island Comment
  RSA150676  Prunus lyonii Peter H. Raven 1962-5-9 17643 Los Angeles Canyon just north of Guds [Gray?], San Clemente Island 198 Comment
  RSA533996  Prunus lyonii Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5134 Los Angeles San Clemente Island, eastern escarpment, 1400 ft SSE of Jack (not Jack Point), and 1350 ft NW of the mouth of Larkspur Canyon. 145 Comment
  RSA550703  Prunus munsoniana Tim S. Ross, Annette Ross 1991-7-29 5703 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 274 Comment
  RSA188126  Pseudognaphalium biolettii R. F. Thorne 1966-4-28 362236 Los Angeles Santa Catalina Island: along road from Avalon to Pebbly Beach 6 Comment
  POM214612  Pseudognaphalium biolettii Joseph A. Ewan 1932-3-5 7028 Los Angeles Ridge Mandeville Canyon 335 Comment
  RSA648682  Pseudognaphalium biolettii Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 30 Los Angeles 5.5 miles past the Pasadena city limits on the way towards mount Wilson on Angeles Crest Highway. Turn off on right as one goes up the hill. Comment
  CAS-BOT-BC356702  Pseudognaphalium californicum LeRoy Abrams 1902-6-15 2547 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC356717  Pseudognaphalium californicum Steven A. Junak 1997-4-24 SCI- 870 Los Angeles California Islands. San Clemente Island: W side of island, on terrace just S of Wall Rock Canyon, near small fork from S side 298 Comment
  RSA0091122  Pseudognaphalium californicum R. G. Swinney 2010-4-13 12190 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  RSA0062623  Pseudognaphalium canescens subsp. microcephalum R. G. Swinney 2010-8-16 13565 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  SFV15331  Pseudognaphalium leucocephalum J. C. Dittes, D. Stolp 1990-3-10 41 Los Angeles San Gabriel Mountains Streambed of Big Tujunga River, 0.5 miles upstream of the flood control reservoir. 732 Comment
  UC32039  Pseudognaphalium ramosissimum H. P. Chandler 1897-1-25 Los Angeles Leslie Canyon San Antonio Mts., Leslie Canyon 548 Comment
  UC62957  Pseudognaphalium stramineum G. R. Hall 1904-9-1 Los Angeles Swartout Canon San Antonio Mts., Swartout Canon 2133 Comment
  CAS-BOT-BC72574  Pteridium aquilinum Timothy S. Ross; Steve Boyd 1995-6-28 8652 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 737 Comment
  LA94225  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1962-9-22 362 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca 1 mi from Hwy 1. 60 Comment
  RSA584883  Pteridium aquilinum var. pubescens T. S. Ross, Steve Boyd 1990-6-1 2782 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA584053  Pterostegia drymarioides Tim S. Ross, S. D. Boyd 1991-4-25 4570 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  UCR270111  Pterostegia drymarioides R. G. Swinney 2010-4-15 12245 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  RSA526586  Pterostegia drymarioides Tim S. Ross 1991-3-24 4294 Los Angeles Whittier Hills (Puente Hills, pro parte). 313 Comment
  SBBG128222  Pulicaria paludosa B. E. Carter, J. R. Clark 2012-7-24 6907 Los Angeles Big springs, at rd crossing just E of Little Harbor 3 Comment
  UCR223028  Purshia glandulosa R. G. Swinney 2009-4-29 10615 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  CAS-BOT-BC158665  Purshia tridentata var. glandulosa Robert F. Thorne; C. W. Tilforth 1973-4-20 43029 Los Angeles Ridge N of Shoemaker Cnayon, 3 mi WNW of Mile High & c. 1.5 mi E of Big Rock Springs, Mojave Desert slopes - San Gabriel Mountains 1371 Comment
  CAS-BOT-BC45675  Quercus agrifolia LeRoy Abrams 1901-4-4 1334 Los Angeles Chatsworth Park Comment
  LA43657  Quercus agrifolia George R Smart; 1952-7-13 66 Los Angeles on Castaic-Lake Hughes Road, 4.7 miles from Castaic, W side of canyon near flowing stream 152 Comment
  LA91456  Quercus agrifolia Bruce Douglas Clayton; Greg Shaw 1972-4-4 sn Los Angeles Santa Monica Mountains, Mountain Park Research Campus, Upper of Temescal and Rustic Canyons; In Nettleburn Creek Canyon 554 Comment
  CDA988  Quercus berberidifolia D. G. Kelch 1991-3-23 1330 Los Angeles Catalina Island. East of Avalon. Comment
  POM187675  Quercus berberidifolia Joseph A. Ewan 1931-10-24 5259 Los Angeles 1 mile above Malibu Lake on Seminole Hot Springs Rd. Comment
  RSA477083  Quercus berberidifolia Theodore Payne 2809 Los Angeles Los Angeles. Comment
  SBBG111418  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles 11.4 mi W of Palmdale, beside rd to Elizabeth Lake Comment
  RSA624007  Quercus chrysolepis Raymond J. Dobbs 1924-6-6 269 Los Angeles 1/2 mile north of Switzer's, High trail Comment
  UC173875  Quercus chrysolepis Geo. B. Grant 1904-6-14 1085 Los Angeles Mt. Wilson Comment
  UCSB34090  Quercus chrysolepis Nixon, Kevin 1977-11-24 Los Angeles Pickens Canyon; 150 yds past end of flood control access road off of Canyonside rd, which is approximately 3mi n. of foothill rd off of Briggs rd; San Gabriel Mtns, La Crescenta 640 Comment
  CAS-BOT-BC86898  Quercus douglasii Timothy S. Ross; Steve Boyd 1994-9-21 8323 Los Angeles Sandberg: low, rounded knoll ca 150-260 m SW of town. Liebre Mountain. 7.5' USGS Quadrangle 1292 Comment
  CAS-BOT-BC86227  Quercus dumosa Reid Moran 1941-3-14 708 Los Angeles By creek, Middle Ranch, Santa Catalina Island Comment
  SEINET4077708  Quercus dumosa R. Moran 1941-1 707 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  UC337433  Quercus dumosa unknown 1891-7-18 Los Angeles near Pomona; San Antonio Canyon Comment
  LA46616  Quercus durata Louis Wheeler; 1931-11-6 323 Los Angeles San Gabriel Mountains, foothills; 0.5 mi. E. Palmer Canyon 609 Comment
  JEPS37777  Quercus durata var. gabrielensis Frank W. Peirson 1919-5-14 376 Los Angeles e trail Mt. Lowe San Gabriel Mountains, Mt. Lowe Comment
  RSA655357  Quercus durata var. gabrielensis LeRoy Gross 2000-11-4 321 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 396 Comment
  RSA0031750  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-9 3017 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 Comment
  CAS-BOT-BC94164  Quercus engelmannii William Marriott Canby; Sargent 1894-3-1 451 Los Angeles Pasadena Comment
  JEPS46153  Quercus engelmannii Louis C. Wheeler 1931-10-11 251 Los Angeles 1 mi e Palmer Canyon; San Gabriel Mts. 640 Comment
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Mar 28 2014
  POM295277  Quercus engelmannii Lyman Benson 1949-10-20 14269 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  RSA652365  Quercus engelmannii R. Carlston 1961-6-2 s.n. Los Angeles Santa Anita Canyon, Angeles Natl. Forest, N. of Arcadia. Comment
  RSA719928  Quercus engelmannii R. G. Swinney 1997-9-27 5881 Los Angeles between Live Oak Canyon and Marshall Canyon, 0.25 mi. NW of Live Oak Canyon Dam 512 Comment
  SEINET10962214 Image available Quercus engelmannii Joseph A. Ewan 1934-12-27 Ewan 8487 Los Angeles Tall chaparral of piedmont mesa. 2 mi. above A.T. & S.F. tracks at mouth of Sawpit Canyon (i.e. Monrovia C.) 229 Comment
  POM273367  Quercus john-tuckeri Lyman Benson 1947-10-9 12836 Los Angeles 5 miles northeast [NW?] of Big Pine on Valyermo Road. San Gabriel Mt. Mojave Desert. 1677 Comment
  CAS-BOT-BC61501  Quercus lobata Peter H. Raven; Henry J. Thompson 1959-4-3 13922 Los Angeles slopes just east of Malibu Junction. Santa Monica Mountains 243 Comment
  POM370196  Quercus lobata Lyman Benson 1946-10-16 12213 Los Angeles Between the first 2 summits north of Castaic. 762 Comment
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Jun 25 2014
  CATA42  Quercus pacifica USC Wrigley Interns: Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 23 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  RSA213358  Quercus pacifica Reid V. Moran 1941-3-14 707 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  RSA232629  Quercus tomentella Larry E. DeBuhr, Wallace 1972-9-2 700 Los Angeles San Clemente Island; In the second large canyon south of Lemon Tank 366 Comment
  RSA381392  Quercus tomentella Robert F. Thorne, Propst 1970-11-12 41566 Los Angeles Santa Catalina Island, Mount Orizaba along n-facing slopes of ridge from S end of mountain; S side S fork of Fern Canyon. 488 Comment
  RSA640284  Quercus tomentella Robert F. Thorne 1971-5-18 41361 Los Angeles Santa Catalina Island: upper part of West Fork of Gallagher Canyon. 381 Comment
  SBBG43931  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SBBG43937  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  POM295271  Quercus turbinella Lyman Benson 1949-11-17 14296 Los Angeles 1.5 miles south of Lebec Hill East of U.S99, Tehachapi Mt. San Joaquin Valley. 1159 Comment
  UCR273577  Quercus wislizeni R. G. Swinney 2011-7-7 15457 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  SD186108  Rafinesquia californica A. C. Sanders, Tricia Wotipka, et al. 2003-4-29 26154 Los Angeles Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon. 487 Comment
  UC1234686  Rafinesquia californica Peter H. Raven 1962-5-1 17505 Los Angeles 0.6 mi above junction Tuna Canyon (on road to Saddle Peak); Santa Monica Mountains 624 Comment
  SEINET3152709  Ramona grandiflora G. B. Grant 1104 Los Angeles Pasadena Comment
  POM156305  Ranunculus californicus L. R. Abrams 1903-3-8 3104 Los Angeles Near Inglewood. Comment
  RSA12278  Ranunculus californicus Carl B. Wolf 1934-4-11 5653 Los Angeles Bryant Ranch, E. of Long Beach. S of 7th st. just west of San Gabriel flood control. 427 Comment
  RSA162761  Ranunculus californicus J. D. Olmsted 1959-4-22 450 Los Angeles Sycamore Canyon along road leading up to reservoir on top of hill west of mouth of canyon, San Gabriel Mountains, Drainage Area to San Dimas Creek. Alt. 1500 ft. 457 Comment
  UC827654  Ranunculus californicus I. W. Clokey and E. G. Anderson 1935-5-9 6947 Los Angeles Pomona Hills 400 Comment
  RSA250078  Ranunculus cymbalaria var. saximontanus Robert F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42186 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault). 1570 Comment
  UC827828  Ranunculus hebecarpus Ira W. Clokey, B. Templeton Apr. 1929 4429 Los Angeles Mandeville Canyon Santa Monica Mountains (n slope) 300 Comment
  RSA679201  Raphanus raphanistrum Michael Denslow, S. D. Boyd 2003-5-7 1090 Los Angeles San Gabriel Mountains region: Glendora Ridge Motorway (1N26) west of intersection with Glendora Mountain Road (2N08). 762 Comment
  SBBG31095  Raphanus raphanistrum R. F. Thorne 1966-4-29 36272 a Los Angeles near temporary pool above ranch in Middle Ranch Cyn 228 Comment
  RSA657374  Raphanus sativus Joseph M. Keefe 2001-1-24 31031 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  SD143970  Raphanus sativus Scott D. White 1997-2-2 4656 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, just NW of Puddingstone Reservoir, S of San Dimas Ave and E of the 210 Freeway. 239 Comment
  LA200329  Raphanus sativus Jonathan Sauer; H. N. Sauer 1969-5-30 4557 Los Angeles Santa Monica Mountains, Tuna Canyon, lower portion of canyon Comment
  SBBG55162  Raphanus sativus S. Hales 1963-6-4 82 Los Angeles La Verne Rd, 0.25 mi S of Fire Stn 365 Comment
  SD113142  Raphanus sativus Darley F. Howe 1915-4-1 41 Los Angeles Claremont Comment
  SEINET11261080  Raphanus sativus Keith Dobry 1991-6-13 D 722 Los Angeles Santa Monica Mts, Las Virgenes & Mulholland Hwy at Doka Univ, SW section.; 0 Comment
  RSA399209  Reseda alba Anstruther Davidson 1893-6-10 s.n. Los Angeles Pasadena. Comment
  UC586872  Rhamnus californica Joseph Andorfer Ewan 1934-8-2 8479 Los Angeles San Antonio Canyon, at foot of Baldy Trail San Gabriel Mts. 1371 Comment
  UCR107831  Rhamnus californica Anna Christensen 1997-4-2 15 Los Angeles Claremont. Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Ave. and Foothill Blvd., 25 yds from E fence, 200 yds. into N. panhandle region. 412 Comment
  UCR151727  Rhamnus californica Steve Boyd, Amber Maurice 2004-5-18 11309 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  RSA0056327  Rhamnus crocea Elwood Fordham s.n. Los Angeles Topanga, Summit Road 1/4 mile from Topanga Highway. 304 Comment
  CAS-BOT-BC56003  Rhamnus ilicifolia J. H. Thomas 1957-5-11 6747 Los Angeles About 2 miles NE of La Canada near Angeles Crest Highway 609 Comment
  RSA226197  Rhamnus ilicifolia Gary D. Cromwell, David W. Wheat 1971-5-14 672 Los Angeles San Gabriel Mountians, Angeles National Forest: Mystic Canyon, 2 miles NE of Glendora 419 Comment
  UCR192155  Rhamnus ilicifolia A. C. Sanders 2008-4-18 34978 Los Angeles Transverse Range, upper Cow Spring Canyon, along wash 1072 Comment
  RSA390859  Rhamnus pirifolia G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  SD66856  Rhamnus pirifolia R. Mitchel Beauchamp 1967-3-20 340 Los Angeles On slope above Abalone Point, south of Avalon, Santa Catalina Island Comment
  RSA332043  Rhamnus tomentella subsp. cuspidata Wayne E. Sawyer 1981-7-10 89 Los Angeles Angeles National Forest: Hwy 2 between Dawson Saddle and junction of Highway 39, 1.6 mile from Dawson Saddle. 2302 Comment
  UCR167508  Rhamnus tomentella subsp. cuspidata Scott D. White, A. Warniment 2005-9-9 11222 Los Angeles Tehachapi Mtns, Oso Canyon, c. 1-2 air miles north of Quail Lake 1067 Comment
  CAS-BOT-BC199074  Rhus aromatica Timothy S. Ross; J. Mark Porter 1995-5-4 8472 Los Angeles Ca. 3.6 road miles NE of Bouquet Canyon Road - Liebre Mountains, Texas Canyon 682 Comment
  RSA233644  Rhus integrifolia R. F. Thorne 1970-3-5 39379 Los Angeles Santa Catalina Island. Upper Avalon Canyon. 61 Comment
  RSA239457  Rhus integrifolia E. R. Blakley 1963-12-7 6328 Los Angeles San Clemente Island, toward Pyramid Cove; mouth of first large canyon W. of Pyramid Head 23 Comment
  RSA643663  Rhus integrifolia C. B. Wolf 1927-12-31 1465 Los Angeles Hills at West side of town of Eagle Rock. Comment
  SD237283  Rhus integrifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37090 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santaa Fe Flood Control Basin, N of Arrow Hwy and soouth of Duarte. 139 Comment
  UCR145561  Rhus integrifolia Gordon Marsh 1965-7-31 11 Los Angeles Catalina Island, Fisherman Cove Comment
  CAS-BOT-BC167954  Rhus ovata A. J. Mc. 1892-5-14 s.n. Los Angeles In Santa Rosa Mts. Comment
  RSA523169  Rhus trilobata var. pilosissima T. S. Ross 1991-2-23 4112 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca 1/5 air-mile WNW of Turnbull Cyn Rd & Skyline Drive. 210 Comment
  RSA550390  Rhus trilobata var. quinata T. S. Ross 1992-7-10 6638 Los Angeles Big Tujunga Canyon, 310 m E of where Coldwater Canyon meets Big Tujunga Creek; E side of road to Colby Ranch. 963 Comment
  RSA584442  Ribes R. G. Swinney 1992-7-10 1856 Los Angeles San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  RSA221579  Ribes amarum Arthur C. Gibson 1971-3-27 1742 Los Angeles Evey Canyon, NE of Claremont Comment
  RSA653646  Ribes aureum S. Koukol, R. Koukol 1998-5-3 59 Los Angeles Claremont, appx. 100 m S of Baseline Road, in open field E of Mills Ave., W od Monte Vista Ave. 448 Comment
  RSA226247  Ribes californicum var. hesperium Gary D. Cromwell 1971-4-16 504 Los Angeles Mystic Canyon, Angeles National Forest. 2 miles NE of Glendora at upper canyon fork 427 Comment
  RSA748918  Ribes cereum R. G. Swinney 2001-8-27 8095 Los Angeles Throop Peak, west of Mt. Baden-Powell. 2780 Comment
  UC1127410  Ribes cereum A. Lewis 1932-6-18 118 Los Angeles 2 mi n Prairie Fork; San Antonio Quadrangle Comment
  LA205442  Ribes indecorum C. F. Baker; sn Los Angeles Claremont Comment
  UCR11991  Ribes indecorum H. J. Thompson 1959-2-20 1839 Los Angeles Western Transverse Range; Santa Monica Mtns., narrow portion of canyon, 2 mi from ocean, La Tuna Canyon 335 Comment
  RSA27109  Ribes malvaceum Roxana S. Ferris 1941-3-10 10324 Los Angeles Ridge west of US Hwy 99, near Pico Canyon road, Santa Susana Mtns. 473 Comment
  SFV16777  Ribes malvaceum J. D. Dilley 1997-1-17 s. n. Los Angeles Santa Monica Mountains Studio City. 0.5 miles down Betty Dearing Trail on Mulholland Drive west of Laurel Canyon Drive. 610 Comment
  LA33977  Ribes malvaceum var. viridifolium Peter H. Raven; 1959-2-15 13781 Los Angeles Santa Monica Mountains, Brown Canyon, Beverly Glen Canyon, 2.6 mi N of Sunset Boulevard 213 Comment
  RSA0110809  Ribes malvaceum var. viridifolium Richard G. Swinney 2011-4-28 14538 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
  RSA441466  Ribes malvaceum var. viridifolium Martha Hilrod 1929-1-14 s.n. Los Angeles Mt. Lowe. Comment
  CAS-BOT-BC219186  Ribes nevadense Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Valley Comment
  CAS-BOT-BC219299  Ribes nevadense Geo. B. Grant 1902-6-1 1125 Los Angeles Mount Wilson 1828 Comment
  RSA476198  Ribes nevadense George B. Grant 1904-5-17 1931 Los Angeles Mt. Wilson Comment
  SBBG72078  Ribes roezlii R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UC1929634  Ribes roezlii V. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 1460 Los Angeles Transverse Ranges; San Gabriel Mountains region; Along Sunset Ridge Fire Road, approximately 900 m southwest of Sunset Peak. UTM 11S: 37 85 387 N x 04 36 184 E. 1646 Comment
  UCR242851  Ribes roezlii R. G. Swinney 2009-8-8 11506 Los Angeles Transverse Range; San Gabriel Mtns., 0.2-1 mi. north of summit of Pacifico Mtn., SE fork of Santiago Canyon 2055 Comment
  CAS-BOT-BC168665  Ribes speciosum LeRoy Abrams 1899-3-1 249 Los Angeles Santa Monica Mountains Comment
  OBI53677  Ribes speciosum Bradley J. Kayl, Jon, Deren, and Paul Gardner 1994-4-30 21 Los Angeles Santa Monica Mts. Rustic Cyn, Santa Monica Comment
  RSA545258  Ribes viburnifolium D. Propst, Hoefs 1973-3-3 11 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 305 Comment
  SEINET12216218  Ribes viburnifolium W. Knight, Knight, I. 1982-1 4480 Los Angeles from Tilden Botanic Garden, Berkeley, originally collected from Catalina Island Comment
  RSA188148  Ricinus communis R. F. Thorne, P. C. Everett 1965-6-22 34875 Los Angeles Santa Catalina Island. Canyon behind Bird Park 91 Comment
  UC1584714  Ricinus communis Tim Ross, Annette Ross 1991-6-3 5521 Los Angeles Elephant Hill, west Pomona Elephant Hill; , west Pomona 240 Comment
  UCR199980  Ricinus communis Valerie Soza, L. Lubinsky 2001-5-16 1230 Los Angeles Transverse Ranges; Verdugo Mountains, Northern San Rafael Hills, Edison Fire Road to Forest Hill Drive 427 Comment
  UCR186918  Rigiopappus leptocladus A. C. Sanders 2006-4-25 32173 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA009300  Robinia pseudoacacia W. Bolander 1967-4-17 s.n. Los Angeles Verdugo Mountains: La Tuna Canyon. 457 Comment
  CAS-BOT-BC92176  Romneya coulteri var. coulteri June Giddings s.n. Los Angeles Altadena. Comment
  CAS-BOT-BC147482  Rosa californica June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island, Middle Ranch Comment
  RSA755845  Rubus parviflorus R. G. Swinney 2008-7-2 9126 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
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Jun 13 2013
  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
  RSA714607  Rumex A. C. Sanders, Mark A. Elvin 2002-6-20 25240 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
  RSA600373  Rumex conglomeratus Steve Boyd, Lauren Raz 1997-5-28 9865 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
  CATA1302  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2392 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  POM2344  Rumex conglomeratus W. R. Shaw 1900-7-3 77 Los Angeles Claremont. Comment
  CAS-BOT-BC433578  Rumex hymenosepalus Le Roy Abrams 1901-4-6 1399 Los Angeles Monte Vista Comment
  RSA466292  Rumex maritimus Anstruther Davidson 1917-05 s.n. Los Angeles Nigger Slough'. [locality name change to'Laguna Dominguez'] Comment
  UCR143188  Rumex salicifolius F. R. Fosberg 1931-4-29 S- 4731 Los Angeles Channel Islands, Santa Catalina Island, between Cottonwood and Middle Ranch Canyons 140 Comment
  POM215938  Rumex salicifolius Louis C. Wheeler 1932-6-17 831 Los Angeles 1 mile west of Claremont 366 Comment
  RSA466117  Rumex salicifolius Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  LA201522  Ruppia cirrhosa Arthur C. Gibson; 2003-8-25 4885 Los Angeles SANTA MONICA MOUNTAINS, Malibu Lagoon and salt marsh Comment
  UCR147838  Ruta graveolens L. C. Wheeler 1954-5-30 7058 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Eaton Wash about east of [fork of mansion?]. . Comment
  UCR197773  Salazaria mexicana Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 116 A Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
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May 3 2013
  UC465475  Salicornia virginica C. F. Millspaugh 1920-1-21 4611 Los Angeles Isthmus Santa Catalina Island Comment
  RSA578316  Salix exigua Tim S. Ross, Steve D. Boyd 1994-5-10 7713 Los Angeles Warm Springs Canyon: spring (un-named, but marked on topo map) along Warm Springs-Fish Canyon truck Trail (6N32); 2160 m NNW of Warm Springs Mtn. summit. 799 Comment
  UCR260015  Salix exigua R. G. Swinney 2010-4-1 12152 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
  LA208630  Salix exigua var. hindsiana F. R. Fosberg; 1932-3-3 7413 Los Angeles San Gabriel Mountains, Castaic Creek, below Castaic 300.0 Comment
  UC482093  Salix exigua var. hindsiana F. Ray Fosberg 1931-10-23 5850 Los Angeles between Calabasas and Agoura (near top of grade on hwy.); Santa Monica Mts. Comment
  POM362613  Salix laevigata I. W. Clokey, Bonnie C. Templeton 1930-4-8 4724 Los Angeles San Francisquito Canyon. 800 Comment
  LA208791  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-2-16 7652 Los Angeles Verdugo Canyon at Colina Drive [Area 3] Comment
  OBI70670  Salix lasiolepis Louis C. Wheeler 1962-6-30 8154 Los Angeles San Gabriel Mts. Pacoima Cyn at Bad Cyn 975 Comment
  POM362750  Salix lasiolepis Ora M. Clark 1929-2-3 1498 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  RSA0110533  Salix lasiolepis R. G. Swinney 2010-6-1 13132 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
  RSA636098  Salix lasiolepis Louis C. Wheeler 1954-8-31 7061 Los Angeles San Gabriel Mountains: Cooper Creek near confluence with Little Rock Creek, Buckhorn. Comment
  SBBG29034  Salix lasiolepis F. R. Fosberg 1932-1-26 7176 Los Angeles bottom of Topanga Cyn 225 Comment
  UC846652  Salix lasiolepis I. W. Clokey, E. G. Anderson 1931-3-11 5345 Los Angeles San Gabriel Canyon 1300 Comment
  CAS-BOT-BC128510  Salix lasiolepis var. lasiolepis Peter H. Raven 1959-3-8 13832 Los Angeles Growing along stream, Topanga Canyon 1.1 mile north of Coast Highway - Santa Monica Mountains 30 Comment
  CDA42359  Salsola australis Michael O Brien 2014-12-1 s.n. Los Angeles Malibu; County Line Beach , a unit of Leo Carrillo State Beach. 0 Comment
  RSA0060698  Salsola tragus Nancy Hamlett 2014-9-25 s.n. Los Angeles Bernard Field Station, area known as East Field. Approx. 1.5 m (larger plant) and 3 m (smaller plant west of Mills Ave. fence, about halfway between Foothill Blvd. fence and east-west fire road. 374 Comment
  RSA0062691  Salsola tragus R. G. Swinney 2010-10-13 14034 Los Angeles 200 meters south of Lily Spring. 2529 Comment
  UCD23438  Saltugilia splendens Robert C. Bechtel 1956-6-30 6 Los Angeles Camp Baldy, San Gabriel Mountains. 1676 Comment
  RSA0096979  Saltugilia splendens subsp. grantii Richard G. Swinney 2011-5-31 14908 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UC23847  Saltugilia splendens subsp. grantii J. H. Barber 1897-6-28 203 Los Angeles Aliso Canyon Comment
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Mar 5 2009
  UCR210163  Saltugilia splendens subsp. grantii R. G. Swinney 2008-8-13 9386 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  SBBG64617  Saltugilia splendens subsp. splendens R. Hoffmann 1925-5-17 Los Angeles Ridge Route (US Hwy 99) Comment
  UC52819  Saltugilia splendens subsp. splendens H. M. Hall 1903-5-3 3093 Los Angeles San Francisquito Pass San Franciquito Pass Comment
  CHSC90743  Salvia apiana John Gerard 1972-5-12 Los Angeles Hills behind the campus of California Polytechnic College. Pomona. Comment
  RSA145216  Salvia apiana Alice Ann Webb, R. Heald 1961-3-21 791 Los Angeles Johnson's Pasture, Claremont. San Gabriel Mt. Range, San Gabriel drainage area. 457 Comment
  RSA577970  Salvia apiana S. Carlquist 1983-7-20 15803 Los Angeles Canyon between chapel and gymnasium, Webb School, Claremont. Comment
  UC883843  Salvia apiana F. R. Fosberg 1931-5-6 S 4808 Los Angeles Cape Canyon Cape Canyon, Santa Catalina Island; Santa Catalina Island 280 Comment
  RSA401449B  Salvia columbariae Freda Detmers 1931-5-10 s.n. Los Angeles Foothill Blvd, Near Azusa. Comment
  SEINET4932267  Salvia columbariae Unknown 1995-3-30 1300 Los Angeles Los Angeles National Forest. Ridge Rt. USFS 8N04, 10km S of Hwy 138 Comment
  UCR194037  Salvia dorrii R. G. Swinney 1999-6-5 7245 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  CAS-BOT-BC224945  Salvia dorrii var. pilosa L. C. Wheeler 1933-4-9 573 Los Angeles Fairmont, Mohave [Mojave] Desert 914 Comment
  UCD125532  Salvia dorrii var. pilosa Ira L. Wiggins 1966-4-15 20588 Los Angeles immediately east of J.F.L. Motel, Pearblossom. Comment
  RSA573480  Salvia leucophylla Tim S. Ross 1992-6-15 6571 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 256 Comment
  SFV16058  Salvia leucophylla P. W. Byrne, M. Hill 1994-5-15 45 Los Angeles San Gabriel Mountains Bear Canyon at Liver Oak Campground. South side of dry riverbed. 600 Comment
  UC535551  Salvia mellifera Ira W. Clokey, B. Templeton May 1929 4478 Los Angeles Mandeville Canyon; Santa Monica Mountains 300 Comment
  RSA738056  Sambucus mexicana Jane Snyder 1966-5-10 6 Los Angeles San Rafael Hills 213 Comment
  RSA0087241  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-4 12532 Los Angeles 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
  RSA0098837  Sambucus nigra subsp. caerulea R. G. Swinney 2011-8-5 15608 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  SFV15568  Sambucus nigra subsp. caerulea R. K. Stachelek 1992-4-14 17 Los Angeles San Gabriel Mountains Sylmar, Stetson Ranch Park. Dirt road just past parking area. 500 Comment
  LA82386  Sanicula arguta O. H. Kappler; 1943-5-2 395 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM155858  Sanicula arguta M. B. Dunkle 1928-4-11 1849 Los Angeles Santa Catalina Island, Howlands Landing. 15 Comment
  RSA471441  Sanicula arguta Louis Greata 1901-03 1931 Los Angeles Garvanza Comment
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Aug 21 2007
  RSA595420  Sanicula arguta Mark Hoefs, Robert F. Thorne 1996-4-6 2642 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  UC1400390  Sanicula arguta Robert F. Thorne and M. Z. Thorne 1973-2-12 42463 Los Angeles Santa Catalina Island, Blue Cavern Point Blue Cavern Point; Santa Catalina Island, Blue Cavern Point 60 Comment
  UC1605252  Sanicula arguta Tim Ross 1993-4-22 6897 Los Angeles 750 m due n of Cactus Peak Summit (sw part of Santa Catalina Island, draining to middle Bullrush Canyon); Santa Catalina Island 335 Comment
  RSA527608  Sanicula arguta Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4435 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  LA32974  Sanicula crassicaulis Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA32982  Sanicula crassicaulis A. M. Johnson; 1934-5-4 4475 Los Angeles Santa Monica Mountains, Sepulveda Canyo, beyond tunnel, bottom of ravine Comment
  UCR266408  Sanicula crassicaulis D. E. Bramlet 2005-4-13 3796 Los Angeles Puente Hills, Powder Canyon 229 Comment
  SBBG113103  Sanicula crassicaulis S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 612 Los Angeles W side of Middle Ranch Cyn Rd, across from pump house, ca. 0.7 mi from intersection with Airport Rd 320 Comment
  POM183635  Satureja douglasii Joseph A. Ewan 1929-6-22 s.n. Los Angeles Santa Monica Mtns: Rodgers Canyon. Comment
  CAS-BOT-BC219080  Schinus molle Louis C. Wheeler 1932-9-6 1352 Los Angeles Thompson Wash near La Verne 373 Comment
  RSA0116339  Schinus molle Steven A. Junak 2000-3-31 SCa- 1150 Los Angeles Santa Catalina Island. Just inland from White's Landing, ca. 0.25 mi. inland from beach, at end of road in side canyon. 58 Comment
  CATA3250  Schismus arabicus Amy Catalano 2017-2-15 007 Los Angeles Santa Catalina Island: Middle Ranch, roadside between driveway to house #104 and house #103 171 Comment
  RSA640282  Schismus arabicus R. F. Thorne 1971-5-18 41363 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  UCD93272  Schismus barbatus Louis C. Wheeler 1973-4-8 s. n. Los Angeles San Gabriel Mountains: Little Tujunga Canyon. 426 Comment
  UCR155374  Schismus barbatus A. C. Sanders 2005-5-5 29915 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  UCR197203  Schismus barbatus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 699 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  RSA600602  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Big Rock Springs; Intersection of Valyermo Road and Bobs Gap Road. Comment
  RSA365980  Scirpus acutus var. occidentalis Wm Martin 1971-8-11 s.n. Los Angeles Along drainage of Malibu Creek, vicinity of Tapia Park Comment
  LA34186  Scirpus californicus Henry J. Thompson; 1959-5-31 2043 Los Angeles 291 Comment
  JEPS45900  Scirpus microcarpus Louis C. Wheeler 1932-9-5 1344 Los Angeles San Antonio Canyon San Gabriel Mts., San Antonio Canyon 1066 Comment
  POM8506  Scrophularia californica Philip A. Munz, R. D. Harwood 1920-5-15 3934 Los Angeles Santa Monica Mountains. Coldwater Canyon. 305 Comment
  RSA733719  Scrophularia californica subsp. floribunda R. G. Swinney 2000-6-25 7803 Los Angeles San Gabriel Mtns.: ridge top (hill 4413) on west side of San Antonio Canyon, between Evey Canyon and nameless 1st canyon to north, c. 3/4 mi. west of San Antonio Cyn. Rd. 1345 Comment
  CDA41982  Scrophularia peregrina T. S. Ross, Steve Boyd 1993-3-24 6819 Los Angeles RSABG; collected on the SE edge of Indian Hill Mesa (also observed in the Bernard Field Station to the E of the Botanic Garden) Comment
  UCR238645  Scutellaria siphocampyloides Anuja Parikh, Nathan Gale 2010-6-18 3337 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 1.2 km north of State Hwy 2 (Angeles Crest Hwy) 0.4 km west of Upper Big Tujunga Canyon Road 1220 Comment
  RSA0088408  Searsia lancea R. G. Swinney 2010-2-27 11764 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  RSA0021463  Selaginella bigelovii Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5154 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA640797  Selaginella bigelovii Louis Cutter Wheeler 1931-2-14 s.n. Los Angeles San Gabriel Mountains: San Dimas Wash. . Comment
  UCR252568  Selaginella bigelovii R. G. Swinney 2010-6-21 13258 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA624062  Selaginella bigelovii Louis Cutter Wheeler 1967-5-23 9674 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  SEINET4065922  Selaginella bigelovii G. B. Grant, W. Wheeler 1904-1 1191 Los Angeles Collected on Santa Catalina Island in the Pacific Ocean off southern California. Comment
  SEINET4691742  Senecio flaccidus var. douglasii R. G. Swinney 2009-1 11607 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  UCR132302  Senecio flaccidus var. douglasii John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam 366 Comment
  UCR149892  Senecio flaccidus var. douglasii R. G. Swinney 1999-6-18 7321 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  POM203  Senecio lyonii Verne Grant, Wheeler 1906-4-21 s.n. Los Angeles Santa Catalina Island Comment
  SBBG80286  Senecio lyonii F. C. Boutin 1967-4-24 1714 Los Angeles Wilson's (Wilson) Cove Comment
  SEINET4015257 Image available Senecio lyonii R. Moran 1941-1 665 Los Angeles Point between Wilson's Harbor and Howland's, Santa Catalina Island. 10 Comment
  RSA0055784  Senecio vulgaris R. G. Swinney 2010-4-28 12431 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. 488 Comment
  RSA0056347  Sequoia sempervirens P. R. Brown 1971-4-1 s.n. Los Angeles Pierce College Nature Center, upper end of Canon de Lana. 274 Comment
  UCR181164  Setaria adhaerens R. E. Riefner Jr. 2003-11-23 03- 475 Los Angeles South Coast, Signal Hill, west of 405 Freeway along Temple Ave. at 29th St. 24 Comment
  UCR142736  Setaria parviflora L. C. Wheeler 1966-10-25 9072 Los Angeles San Gabriel Mtns, E[dwin]Waldo Ward's grove, 0.25 mi. north of El Encanto, San Gabriel Canyon 244 Comment
  CAS-BOT-BC240233  Setaria viridis Ralph Hoffmann 1929-10-27 s.n. Los Angeles Field, 5 miles n. of Saugus Comment
  RSA608879  Setaria viridis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  SBBG94045  Sibara filifolia M. R. Benedict 1971-6-25 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  CAS-BOT-BC434375  Sidotheca trilobata A. Nesta Dunn; Joseph Andorfer Ewan 1933-7-23 7825 Los Angeles Tujunga Creek at Alder Cr. Jct., San Gabriel Mts. 1036 Comment
  RSA0086863  Silene antirrhina Steven A. Junak 1998-6-13 SCa- 751 Los Angeles Santa Catalina Island: W side of Avalon Canyon, upslope from fire station. 42 Comment
  RSA526554  Silene gallica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4240 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR106298  Silene gallica B. G. Pitzer 1996-5-5 2846 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  CAS-BOT-BC387021  Silene gallica Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4240 Los Angeles Los Angeles; Racho Santa Ana Botanic Garden; San Clemente Island Comment
  CAS-BOT-BC174894  Silene laciniata Peter H. Raven 1956-6-17 9424 Los Angeles N.W. of Sunset Blvd. at Sepulveda Blvd., Santa Monica Mts. Comment
  RSA784843  Silene laciniata J. D. Olmsted 1958-3-10 39 Los Angeles Along southwestward draining Liveoak Creek 4 miles N of Webb School on fireroad out of the Hill ranch and NE [NW] of Claremont. 610 Comment
  SFV15502  Silene laciniata subsp. laciniata E. J. Spencer 1992-4-29 14 Los Angeles San Gabriel Mountains Ruby Canyon, east of Lake Hughes Road, 12.4 miles from I-5. 549 Comment
  SBBG121235  Silene multinervia V. Soza, L. Moore 2000-5-10 858 Los Angeles Verdugo Crestline Dr, N of La Tuna Cyn and S of Pasko Park; fire rd S of Verdugo Crestline Dr from fire gate to power lines to peak 0'1936" 579 Comment
  CAS-BOT-BC175110  Silene verecunda Robert F. Thorne; C. W. Tilforth; John Dourley 1969-7-29 38851 Los Angeles San Gabriel Mts., Angeles National Forest: above Angeles Crest Hwy., N & below Lily Spring at headwater of S Fork, Big Rock Creek, c. 2 mi. S of Dawson Saddle 2042 Comment
  SEINET7042267  Silene verecunda A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  RSA586693  Silene verecunda subsp. platyota Orlando Mistretta 1995-6-20 1796 Los Angeles San Gabriel Mountains, Bare Mountain Canyon; Fountainhead Spring, E of Pacifico Mtn. 2012 Comment
  UCR98736  Silene verecunda subsp. platyota T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3357 Los Angeles San Gabriel Mtns., Big Rock Creek Canyon: c. 120 m NW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1732 Comment
  UC1075862  Silene vulgaris Geo. W. Garrettson 1955-4-22 20583 Los Angeles on Sierra Madre Avenue 1/3 mi e Azusa Ave. (Azusa); Azusa Comment
  UCR178898  Sisymbrium erysimoides R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, 0.8 mi east of Glendora Mtn Road 412 Comment
  RSA592838  Sisymbrium irio L. C. Wheeler 1967-4-30 9208 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 366 Comment
  RSA356026  Sisymbrium irio R. F. Thorne 1973-3-14 42651 Los Angeles San Dimas Canyon near its mouth. Comment
  RSA632015  Sisymbrium irio L. C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 670 Comment
  CDA34308  Sisymbrium orientale M. O'Brien 2011-6-15 14 -Nov Los Angeles Santa Monica Mountains; El Matador State Beach. 30 Comment
  RSA747880  Sisymbrium orientale Justin M. Wood 2009-3-6 336 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd., County line goes through property but most plants were collected in LA County. 402 Comment
  SBBG59349  Sisymbrium orientale S. A. Junak with M. L. Hoefs, M. Gay 1997-6-6 SCa 445 Los Angeles just inland from beach at White's Landing 3 Comment
  SBBG25551  Sisyrinchium bellum D. Emery 1947-4-20 Los Angeles Topanga Cyn Comment
  POM1768  Sisyrinchium bellum Bee Dee Abbott s.n. Los Angeles Live Oak Canyon 610 Comment
  SD48953  Solanum americanum Reid Moran 1958-9-15 6834 Los Angeles 1.8 miles SE of Eel Point, San Clemente Island 99 Comment
  UCR200307  Solanum americanum Steve Boyd, Mark A. Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11702 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
  JEPS12087  Solanum douglasii Julia A. Bettys 1929-4-29 Los Angeles Huntington Palisades Comment
  LA51799  Solanum douglasii Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  POM83699  Solanum douglasii Marcus E. Jones 1882-3-18 s.n. Los Angeles Pasadena. Comment
  RSA0053891  Solanum douglasii R. G. Swinney 2010-4-13 12204 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  SBBG49564  Solanum douglasii M. R. Benedict 1971-6-26 Los Angeles 0.5 mi S of Wilson Cove Comment
  RSA422395  Solanum douglasii E. S. Spalding 1925-4-26 15168 Los Angeles Arroyo Seco. Comment
  RSA80396  Solanum umbelliferum F. W. Peirson 1921-2-26 2792 Los Angeles Topango Canyon, Santa Monica Mts. 457 Comment
  UCR256209  Solanum umbelliferum R. G. Swinney 2010-3-22 12015 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  POM156292  Solanum umbelliferum L. R. Abrams 1902-6-29 2586 Los Angeles Mt. Wilson, San Gabriel Mountains. Comment
  RSA549575  Solanum umbelliferum Tim S. Ross 1992-4-27 6250 Los Angeles Claremont: S side of Indian Hill Mesa, SW of RSA ground. 393 Comment
  RSA233642  Solanum wallacei Robert F. Thorne 1970-3-5 39358 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  HSC34772  Solanum xanti R. E. Cooksey 1972-4-18 39 Los Angeles San Gabriel Mtns., San Dimas Canyon, 6.2-7 mi. from Hwy. 66 and San Dimas Rd. 564 Comment
  IRVC28162  Solanum xanti A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26276 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  RSA774055  Solidago californica R. G. Swinney 2009-6-12 11134 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
  SEINET6659388  Solidago californica Timothy S. Ross, Steve Boyd 1994-9-20 8269 Los Angeles Lower Spunky Canyon. This stretch draining SSE exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle.; 0 934 Comment
  UCR199858  Solidago californica LeRoy Gross, Naomi Fraga 2006-1-20 2450 Los Angeles Transverse Ranges, Verdugo Mountains, east end of the Verdugos, north side of the main crest. Deer Creek off of Beaudry Road, west of debris basin 448 Comment
  UCR203112  Solidago californica R. G. Swinney 2001-8-27 8111 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  RSA0116180  Solidago velutina subsp. californica R. G. Swinney 2010-10-5 13983 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR273302  Solidago velutina subsp. californica R. G. Swinney 2011-10-18 15838 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  CAS-BOT-BC365846  Soliva sessilis Martin F. Ray 1984-7-31 55 Los Angeles Santa Monica, Palisades Park Comment
  RSA604143  Soliva sessilis L. C. Wheeler 1957-3-22 7247 Los Angeles Los Angeles: NE of old wing of Los Angeles County Museum, Exposition Park. Comment
  RSA591920  Sonchus asper L. C. Wheeler 1967-5-8 9314 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  RSA771316  Sonchus asper R. F. Thorne, Percy C. Everett 1965-5-11 34565 Los Angeles Santa Catalina Island. N beach of Little Harbor. 2 Comment
  SBBG42260  Sonchus asper M. B. Dunkle 1939-4-2 7209 Los Angeles SE point of San Clemente Island Comment
  RSA0127006  Sonchus asper subsp. asper Louis C. Wheeler 1967-7-20 10124 Los Angeles Aliso Canyon. 1067 Comment
  CATA1093  Sonchus oleraceus Mark L. Hoefs 1995-5-16 2043 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  CATA1249  Sonchus oleraceus Mark L. Hoefs, Phil Hartman, Bret Marin 1995-1-27 2329 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 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
  RSA0077094  Sonchus oleraceus R. G. Swinney 2010-4-15 12225 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA474111  Sonchus oleraceus M. B. Dunkle 1931-4-22 2468 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA4781  Sonchus oleraceus James Snow s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  SD27747  Sonchus oleraceus Carl B. Wolf 1932-5-9 Los Angeles Santa Catalina Island, Avalon, near bathhouse. Comment
  CAS-BOT-BC374613  Sonchus oleraceus L. R. Abrams; I. L. Wiggins 1931-7-3 297 Los Angeles Channel Islands. Santa Barbara Island Comment
  RSA608063  Sonchus oleraceus L. C. Wheeler 1931-3-7 s.n. Los Angeles La Verne. Comment
  CHSC95858  Spartium junceum LeRoy Gross 2004-3-19 1209 Los Angeles Transverse Ranges; Verdugo Mountains region: San Rafael Hills: North section of hills; Gate #4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. Near 34.18091N, 118.21176W. UTM Zone; 3782685N 0388330E. Traveled SSW from this gate a few miles, running parallel with Camino San Rafael near top of ridge. This plant might be planted along the Ridge Motorway just north where it loops around a west trending ridge then comes back too Camino San Rafael. 502 Comment
  RSA594743  Spartium junceum T. S. Ross 1995-4-7 8361 Los Angeles Templin Highway ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  RSA0016926  Spartium junceum Kelly Middleton, David Middleton 1988-5-8 11 Los Angeles Glendora Ridge Road, 5.7 miles west of Mt. Baldy Road intersection. Roadside collection. 1220 Comment
  UCR274088  Spergularia bocconi Steven A. Junak 2000-5-19 SCa- 1326 Los Angeles California Islands, Santa Catalina Island, west side of first ridge west of Twin Rocks, c. 0.44 mile southeast of Goat Harbor 287 Comment
  RSA0098596  Spergularia marina L. R. Abrams 1901-4-10 1458 Los Angeles Hyde Park. Comment
  RSA0081387  Stachys albens R. G. Swinney 2010-8-26 13591 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA755587  Stachys albens R. G. Swinney 2008-7-12 9171 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UC25899  Stachys albens J. H. Barber 1897-6-24 187 Los Angeles above Lang; Soledad Canyon Comment
  RSA446651  Stachys bullata Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  POM331  Stanleya pinnata W. R. Dudley 1896-6-6 4324 Los Angeles Lancaster. Comment
  HSC24822  Stanleya pinnata James Henrickson 1971-5-2 5542 Los Angeles 15 mi. E of Palmdale, S slope of Lovejoy Buttes in Mojave Desert 854 Comment
  SFV1521  Stanleya pinnata L. Imamura 1958-7-20 s. n. Los Angeles About 0.25 miles northeast of Malibu pier on east side of Highway 101. 30 Comment
  UCSB40870  Stanleya pinnata Mckee, Walter 1963-5-9 Los Angeles Little Rock Dam, San Gabriel Mountains 914 Comment
  RSA672293  Stellaria media Joseph M. Keefe 2001-3-16 31122 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  UCR217313  Stellaria media R. G. Swinney 2009-2-26 10042 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR50074  Stellaria media Steve Morgan 1974-4-26 73 Los Angeles City of Studio City, Viewcrest Road. 313 Comment
  UCR90735  Stellaria media Scott D. White 1996-3-2 3816 Los Angeles Base of San Gabriel Mtns., City of Claremont, Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill, east of Towne. 323 Comment
  LA34252  Stellaria media Peter H. Raven; 1959-3-1 13822 Los Angeles Santa Monica Mountains, Griffith Park 213 Comment
  UCR146327  Stellaria nitens James Henrickson 1985-3-30 19792 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  RSA301950  Stephanomeria blairii M. A. Piehl 1962-6-10 62398 Los Angeles San Clemente Island: canyon E. of Thirst. 305 Comment
  IRVC26307  Stephanomeria cichoriacea Mark A. Elvin, Cathleen Weigand 2003-5-22 2907 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  RSA355906  Stephanomeria diegensis R. F. Thorne 1975-9-3 47375 Los Angeles Santa Catalina Island. S of docks at Fisherman's Cove Comment
  CAS-BOT-BC375192  Stephanomeria diegensis Peter H. Raven 1957-9-21 11339 Los Angeles Hill at n.w. of U.C.L.A. campus, Los Angeles Comment
  RSA579437  Stephanomeria exigua subsp. coronaria Timothy S. Ross 1994-6-22 7997 Los Angeles vicinity of Santiago Canyon: lower end of major NE-draining tributary of Santiago Canyon (originating at saddle with upper N fork of Tie canyon; joining Santiago Cyn stream at 4385 ft.) 1390 Comment
  UCD136406  Stephanomeria pauciflora Scott D. White; Pam DeVries 20-21 Nov 1997 6025 Los Angeles Big Tujunga Wash (San Gabriel Mountain Foothills/ East San Fernando Valley): west of Sunland, southwest of I-210 Freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  POM307004  Stephanomeria pauciflora Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1919 Los Angeles San Gabriel Wash. Comment
  PASA347  Stephanomeria runcinata Frank W. Peirson 1928-9-4 Los Angeles Roock Creek about 1 mile below canyon Comment
  SFV7106  Stephanomeria virgata K. A. Wilson 1974-8-21 1433A Los Angeles Santa Monica Mountains 0.3 miles west of Las Virgenes Road. Roadside bank. 185 Comment
  SBBG42905  Stephanomeria virgata subsp. virgata L. D. Gottlieb 1966-7-8 6647 Los Angeles Hwy 39, 0.75 mi W of Crystal Lake Cmpgrd 1676 Comment
  UCR51268  Stipa lepida Lyman Benson 1947-5-2 12350 Los Angeles South slope of San Gabriel Mtns., Indian Hill Boulevard, Claremont 427 Comment
  CATA811  Stipa miliacea var. miliacea Mark L. Hoefs, Robert Given 1991-6-12 1385 Los Angeles Santa Catalina Island: Near junction of road between Middle Canyon and Bulrush and road to Camp Cactus 228 Comment
  RSA191639  Stuckenia pectinata Robert F. Thorne, M. Z. Thorne 1966-8-29 36603 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines Recreation Area south of Jackson Lake on road from Big Pines to Valyermo 1860 Comment
  CHSC95507  Stylocline gnaphaloides LeRoy Gross; Valerie Soza 2003-5-15 911 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone: 3789935N, 0377377E. 534 Comment
  RSA66309  Stylomecon heterophylla F. W. Peirson 1923-4-9 3445 Los Angeles San Clemente Island: 5 miles SE of Wilson's Cove Comment
  SEINET269299  Suaeda moquinii A. C. Sanders, E. J. Lott 1993-5-6 13946 Los Angeles Mojave Desert: 12 miles N of Palmdale Sierra Hwy at Ave 'G' to 1/10 mi. NW of intersection. 706 Comment
  POM158311  Suaeda taxifolia M. B. Dunkle 1928-4-29 1895 Los Angeles Santa Catalina Island. Little Harbor Comment
  RSA602316  Symphoricarpos Steve Boyd, Lauren Raz 1997-6-17 9945 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
  POM4396  Symphoricarpos rotundifolius var. parishii I. M. Johnston 1917-9-16 1727 Los Angeles west slope of Baldy 2743 Comment
  UCR223483  Symphoricarpos rotundifolius var. parishii R. G. Swinney 2009-5-28 10918 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  CATA3501  Syzygium australe Julia Parish, Peter Dixon 2017-8-22 031 Los Angeles Santa Catalina Island: Interior; Black Jack Campground, near bbq southwest of the bathrooms 457 Comment
  SD239631  Tagetes palmeri R. G. Swinney 2008-6-24 9098 Los Angeles Transverse Range; San Gabriel Mountains: mouth of Roberts Canyon, c. 100 m. north of San Gabriel Canyon (Azusa 7.5'Q) 213 Comment
  RSA570020  Tamarix ramosissima Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4944 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  SBBG131038  Tamarix ramosissima S. A. Junak 1999-5-6 SCa 886 Los Angeles Parsons Landing, at W end of beach, just inland from crk mouth 6 Comment
  UCR142079  Tamarix ramosissima A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26225 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  UCR214639  Taraxacum officinale A. C. Sanders, Dan S. Cooper 2010-3-12 37377 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UC303507  Tauschia arguta Geo. B. Grant June, 1904 280 -6193 Los Angeles Pasadena Comment
  JEPS164  Tauschia parishii F. W. Peirson 1918-6-10 136 Los Angeles summit of Mt. Lowe; San Gabriel Mts., summit of Mt. Lowe Comment
  UC566901  Tauschia parishii H. L. Mason 1927-6-14 3764 Los Angeles camp mouth of Icehouse Canyon mouth of Icehouse Canyon; San Gabriel Mountains, mouth of Icehouse Canyon 1889 Comment
  RSA191641  Tetradymia canescens R. F. Thorne, M. Z. Thorne 1966-8-29 36600 Los Angeles Inspiration Lookout along Angeles Crest Hwy near junction with road to Blue Ridge Camp 2255 Comment
  UCR61033  Tetradymia comosa R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., in and Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill firebreak 488 Comment
  RSA612101  Tetradymia glabrata Steve Boyd, Kent Hughes 1998-5-5 10188 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  UCR190738  Thalictrum fendleri var. polycarpum R. G. Swinney 1999-6-30 7488 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  RSA596430  Thinopyrum intermedium Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8870 Los Angeles Liebre Mountains, along the Ridge Route west of Castaic Canyon, 3.5 miles north of the junction with Templin Highway, under high-tension power lines. 945 Comment
  RSA660399  Thinopyrum intermedium Orlando Mistretta 1992-6-17 588 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  RSA756903  Thinopyrum intermedium R. G. Swinney 2008-6-17 9025 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  CAS-BOT-BC88456  Thysanocarpus curvipes L. Street 1919-3-16 2393 Los Angeles Lone Hill. Comment
  LA200332  Thysanocarpus laciniatus W. O. Griesel; 1986-4-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA678391  Thysanocarpus laciniatus V. Soza, LeRoy Gross 2002-4-3 1374 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  UCR258721  Thysanocarpus laciniatus R. G. Swinney 2010-5-19 12827 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  CDA25258  Thysanocarpus laciniatus G. D. Barbe, T. C. Fuller 1973-4-9 1193 Los Angeles 4 miles (6.4 km) south of Palmdale on Sierra Highway, 5.3 miles (8.5 km) west of Highway 138. 0 Comment
  RSA0041683  Thysanocarpus laciniatus Sam Tyson 1943-3-26 s.n. Los Angeles San Dimas Canyon. 671 Comment
  SD143460  Thysanocarpus laciniatus var. laciniatus Darley F. Howe 1948-5-25 1813 Los Angeles Bouquet Canyon 760 Comment
  SD252271  Torilis arvensis Steven A. Junak 1999-5-21 Sca 979 Los Angeles Santa Catalina Island: Coffee Pot Canyon, just upstream from road crossing. 405 Comment
  RSA708820  Toxicodendron diversilobum Valerie Soza, Leland Lubinsky 2001-5-16 1233 Los Angeles Drainage off Whiting Woods Mtwy, ridge north of Henderson Canyon. 549 Comment
  UC1971178  Toxicodendron diversilobum Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon Comment
  RSA657372  Tribulus terrestris Joseph M. Keefe 2001-1-24 31037 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCR210116  Trichostema austromontanum R. G. Swinney 2008-7-24 9345 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  CDA40997  Trichostema lanatum A. C. Browne 1953-5-24 s.n. Los Angeles Van Alden Canyon, San Fernando Valley. 0 Comment
  UCR125962  Trichostema lanceolatum A. C. Sanders, Mark Elvin 2002-6-19 25154 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA0086543  Trifolium ciliolatum R. G. Swinney 2011-5-3 14574 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA652141  Trifolium ciliolatum Jami Liberi 1983-4-16 20 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  SBBG131621  Trifolium depauperatum var. amplectens S. A. Junak 1999-4-24 SCa 868 Los Angeles E of Empire Landing Rd 213 Comment
  POM9835  Trifolium depauperatum var. truncatum Philip A. Munz, Harwood 1920-3-13 3293 Los Angeles San Jose Hills; 2 miles west of Pomona. 305 Comment
  IRVC28753  Trifolium fragiferum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25530 Los Angeles Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle Santa Clara River Valley 274 Comment
  UC165607  Trifolium gracilentum E. D. Palmer 1902-5-1 Los Angeles near Glendora (roadside) Comment
  UCR192593  Trifolium gracilentum A. C. Sanders 2008-4-10 34838 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA91565  Trifolium gracilentum P. B. Kennedy 1907-4-21 s.n. Los Angeles Avalon, Catalina Island. Comment
  UCR190270  Trifolium hirtum R. G. Swinney 2001-4-17 7871 Los Angeles San Gabriel Mtns., Glendora, Morgan Canyon debris basin 351 Comment
  PASA238  Trifolium microcephalum Frank W. Peirson 1919-5-18 Los Angeles Monrovia Canyon, San Gabriel Mts. 457 Comment
  POM50245  Trifolium microcephalum L. W. Nuttall 1920-5-11 s.n. Los Angeles Santa Catalina Island. Comment
  UC631560  Trifolium microcephalum C. F. Baker 1909-3-20 5254 Los Angeles Claremont Comment
  RSA91112  Trifolium microcephalum P. B. Kennedy 1907-4-12 s.n. Los Angeles Avalon, Santa Catlina Island. Comment
  SBBG96660  Trifolium palmeri S. Boyd 1990-4-7 4249 Los Angeles lower half of China Cyn Comment
  RSA752796  Trifolium tridentatum Robert F. Thorne 1980-4-25 54136 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  RSA91134  Trifolium variegatum Joseph A. Ewan 1932-6-16 7292 Los Angeles about mile below Charlton flats, Pine Mt. Region Comment
  LA200501  Trifolium willdenovii W. O. Griesel; 1936-4-25 sn Los Angeles Santa Monica Mountains, Point Dume, on coastal bluff 15 Comment
  UCR167523  Trifolium willdenovii Scott D. White, Brian Leatherman 2005-3-18 10802 Los Angeles South Coast, City of Glendora: 'South Hills' just N of the I-210 freeway. c. 0.3 air mi ENE of the I-210/Sunflower intersection 335 Comment
  UCR275015  Trifolium willdenovii Michael Honer, Rachel Woodard 2006-4-18 2194 Los Angeles Tehachapi Mountains area, Grazed hills c. 2 miles east of Quail Lake; 1/2 mile north of Hwy 138 976 Comment
  RSA0085342  Trifolium willdenovii Steven A. Junak 2001-5-4 SCa- 1476 Los Angeles Santa Catalina Island. Coastal slopes overlooking Cherry Cove, upslope from road, on E side of cove. 70 Comment
  POM349605  Trifolium wormskioldii Freda Detmers 1931-5-10 s.n. Los Angeles Foothill Blvd, Near Azusa. Comment
  UCR138843  Trisetum spicatum L. C. Wheeler 1966-8-21 8833 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  RSA271747  Tristagma uniflorum C. A. Barber 1969-3-7 s.n. Los Angeles Planted borderplant, now spreading throughout adjacent 2 lawns Comment
  SD90513  Triteleia clementina Robert F. Thorne 1966-4-17 36122 Los Angeles San Clemente Island, on steep canyon slope near bottom of Box Canyon, northwest of Horse Canyon, Southwest of Thirst. 213 Comment
  SDSU11524  Triteleia clementina R. M. Beauchamp 1967-1-28 142 Los Angeles San Clemente Island, growing on knoll west of Lemon Tank. Comment
  RSA60197  Tropidocarpum gracile E. K. Balls, Lee W. Lenz 1950-3-28 14469 Los Angeles 1 mile east of junction of Hwys 99 and 138, just south of Gorman. 1159 Comment
  RSA674671  Tropidocarpum gracile Scott D. White, Kent Hughes 2000-5-17 7880 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  RSA716209  Tropidocarpum gracile Andrea Edwards, Pam De Vries 2006-4-11 72 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UCR223777  Turricula parryi R. G. Swinney 2009-6-17 11157 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR270117  Turricula parryi R. G. Swinney 2010-9-9 13798 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
  RSA0114942  Turritis glabra R. G. Swinney 2011-6-15 15185 Los Angeles San Gabriel Mountains; Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA651614  Typha latifolia Harold E. Fleming s.n. Los Angeles Bouquet Canyon, Angeles National Forest. 610 Comment
  CAS-BOT-BC91132  Umbellularia californica Henry J. Thompson 1959-2-20 1840 Los Angeles Santa Monica Mountains. 2 miles from the ocean, La Tuna Canyon. 365 Comment
  RSA652297  Umbellularia californica R. Carlston 1961-6-2 sn Los Angeles Santa Anita Canyon, Angeles Natl. Forest, N. of Arcadia. Comment
  SEINET3150245  Uropappus lindleyi G. B. Grant 1905-4-20 783 Los Angeles Pasadena Comment
  RSA0021283  Urtica dioica subsp. holosericea Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5078 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0091337  Urtica dioica subsp. holosericea R. G. Swinney 2011-6-29 15346 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR216869  Urtica urens R. G. Swinney 2009-3-13 10107 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
  RSA652059  Urtica urens Phil Henry 1953-1-29 s.n. Los Angeles W. side of Valley Ct., between Covina Blvd and Cienaga Ave., San Dimas. Comment
  CAS-BOT-BC327075  Venegasia carpesioides Louis C. Wheeler 1936-6-8 4133 Los Angeles Bell Canyon, San Gabriel Mts. 701 Comment
  JEPS34680  Venegasia carpesioides F. W. Peirson 1921-4-10 1365 Los Angeles San Dimas Canyon San Gabriel Mts., San Dimas Canyon 426 Comment
  RSA674316  Venegasia carpesioides LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 718 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 576 Comment
  UCR266374  Verbascum virgatum D. E. Bramlet, Allison D. Rudalevige 2009-4-28 4369 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Big Tujunga Canyon Rd., across from nursery 415 Comment
  UCR271168  Verbascum virgatum R. G. Swinney 2011-11-1 15977 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, 70-200 meters west (upstream) from confluence with North Fork, south side of FS Rd 2N25/W. Fork Scenic Bikeway 476 Comment
  UCR62091  Verbascum virgatum S. J. Myers, R. Montijo 1990-4-20 s.n. Los Angeles Powder Canyon, in city of La Habra Heights 245 Comment
  RSA632868  Verbena bracteata Robert F. Thorne, C. W. Tilforth 1971-6-29 40650 Los Angeles San Gabriel Mountains: Little Rock Reservoir, Angeles National Forest. 976 Comment
  RSA641513  Verbena lasiostachys var. scabrida Louis C. Wheeler 1967-8-28 10579 Los Angeles San Gabriel Mountains, Angeles National Forest: near Widco Mine, Dry Gulch off Coldwater Canyon. 1402 Comment
  POM187472  Verbesina encelioides subsp. exauriculata L. C. Wheeler 1933-6-24 1877 Los Angeles Sepulveda Blvd, at Sherman Way. San Fernando Valley 152 Comment
  CAS-BOT-BC320512  Veronica Peter Rubtzoff 1988-10-7 9957 Los Angeles Gold Creek Rd near jctn with Little Tujunga Rd, Little Tujunga Canyon, ca. 2 mi NE of the entrance to Angeles National Forest, or ca. 4 mi NE of jctn of Osborne St & Foothill Blvd., San Gabriel Mountains. 478 Comment
  RSA80069  Veronica arvensis F. W. Peirson 1919-4-25 1096 Los Angeles Lawn at 1077 New York Drive, Altadena. Comment
  POM6807  Vicia americana Philip A. Munz, L. T. Street, G. Williams 1919-4-19 2477 Los Angeles Lone Hill, San Dimas. Comment
  SBBG113079  Vicia hassei S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 630 Los Angeles just S of rd to East Pk, along ridgetop SW of Pk 1245; ca. 0.85 air mi NW of East Pk 341 Comment
  UCR187106  Vicia hassei A. C. Sanders 2006-5-16 32295 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  SBBG31520  Vicia ludoviciana R. M. Beauchamp 1967-3-20 351 Los Angeles Abalone Pt Comment
  OBI35601  Vicia sativa Rebecca Cicoria 1981-4-23 7 Los Angeles Just N of Peacock's Flat, Rancho Palos Verdes Comment
  RSA708766  Vinca major Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1145 Los Angeles McDonald Creek. 366 Comment
  LA210888  Viola pedunculata Arthur C. Gibson; 2003-5-6 4874 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, Deerlick Trail in meadows. Opposite Mulholland Highway. Comment
  RSA162725  Viola pedunculata John Olmsted 1958-3-9 29 Los Angeles Johnson's Pasture Road, 1.5 mile north of intersection of Mountain and Baseline, northwest of Claremont. S drainage to Johnson Creek. 610 Comment
  SBBG131812  Viola pedunculata S. A. Junak, B. Collins 1991-4-25 SCI 208 Los Angeles near site of Middle Ranch ruins, just N of rd of Middle Ranch Cyn 466 Comment
  UCSB41812  Viola pedunculata Holland, Don 1971-3-17 Los Angeles West end of Pudding- stone Reservoir, off San Dimas Ave 335 Comment
  UCR189275  Viola pinetorum R. G. Swinney 1998-5-16 6087 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  RSA725092  Viola purpurea subsp. mohavensis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 48 -B Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA0121952  Vitis girdiana Ellen Mackey, Barbara Eisenstein 2002-10-22 NFWF- 1748 Los Angeles Whittier Narrows. Comment
  UCR193937  Vitis girdiana A. C. Sanders 2008-7-10 35723 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA593193  Vulpia microstachys var. ciliata L. C. Wheeler 1967-5-8 9303 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 396 Comment
  RSA599512  Vulpia microstachys var. pauciflora Steve Boyd, Lauren Raz 1997-3-26 9337 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
  RSA639250  Vulpia myuros R. F. Thorne, M. Z. Thorne 1971-4-25 41339 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  CAS-BOT-BC178571  Vulpia myuros var. myuros Timothy S. Ross; Steve Boyd 1991-4-25 4577 Los Angeles Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River - San Gabriel Mtns. 865 Comment
  CAS-BOT-BC185858  Vulpia octoflora var. hirtella Frank W. Peirson 1922-5-30 4333 Los Angeles West spur of Mt. Lowe, San Gabriel Mts. 1371 Comment
  SFV20829  Vulpia octoflora var. octoflora L. Gross, V. Soza 2003-5-15 904 a Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains north of La Tuna Canyon road. Started at end of Elben Ave., climbed north to ridgetop south of McDonald Creek, then east along ridgeline, then came back down into a small canyon at the end of Elben Place just east of where started. North-facing slope near top of ridge. 518 Comment
  LA210184  Wigandia urens var. caracasana Mark A. Elvin; 2012-7-18 s.n. Los Angeles University of California, Los Angeles, Westwood; N side of Sunset Blvd, ca. 300 m N of I 405, across from S Thurston Ave 158 Comment
  RSA0062643  Woodwardia fimbriata R. Spencer 1974-8-15 s.n. Los Angeles Soldier Creek, San Gabriel Mountains. Comment
  HSC95399  Xanthium strumarium A. C. Sanders, Mark A. Elvin 2002-8-28 25599 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park. 360 Comment
  RSA5884  Xanthium strumarium C. B. Wolf 1932-9-16 4102 Los Angeles West of State Highway at SE corner of Pacific Western Oil Co. lease in 17 acre portion 2 Comment
  CATA259  Xylococcus bicolor Mark L. Hoefs, A. Douglas Propst 1973-5-4 265 Los Angeles Santa Catalina Island: By road just beyond Cherry Cove 53 Comment
  SEINET7047935  Xylorhiza tortifolia var. tortifolia Steven R. Hill, Kate Kramer 2001-4-22 33392 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
  UC1584872  Yucca elephantipes Tim Ross 1991-4-8 4481 Los Angeles Elephant Hill, w Pomona San Dimas USGS 7.5' Quad., Pomona 228 Comment
  SEINET10472690  Yucca guatemalensis Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4877 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CHSC34418  Yucca whipplei Philip A. Silverstone 1978-7-23 Los Angeles Santa Monica Mountains; Latigo Canyon Rd. 2.9 km inland from State 1. Comment
  UC1272478  Yucca whipplei Howard J. Arnott 1955-8-6 86 Los Angeles steep hillside 1/2 mi n Gorman (on old road (Hwy 99)) Comment
  UCR125157  Yucca whipplei A. C. Sanders, Mark Elvin 2002-6-18 25120 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
  RSA658359  Yucca whipplei var. whipplei Naomi Zohman 1985-4-28 22 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA594939  Zannichellia palustris Steve Boyd, Lauren Raz 1996-10-8 9004 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 0.9 miles south of junction with Forest Service Road 6N08. 561 Comment
  RSA0055004  Zauschneria cana James R. Shevock 1972-9-16 2268 Los Angeles Malibu Canyon. 304 Comment



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