Search Results — 2000 specimen records retrieved (1559 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
  SBBG15828  Abronia pogonantha W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  POM19206  Abronia pogonantha P. A. Munz 1923-5-27 6905 Los Angeles San Gabriel Mountains, Pallett Creek Comment
  RSA250605  Abronia pogonantha Robert F. Thorne, Arthur C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39512 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1433 Comment
  NY679483  Abronia umbellata L. T. Chamberlain 1899-1 s.n. Los Angeles Comment
  RSA623974  Abronia umbellata B. F. Krause 1921-4-6 352 Los Angeles Redondo Beach. Comment
  LA32315  Abronia umbellata subsp. umbellata M. Zaitlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA666852  Acacia cyclops A. C. Sanders, D. Malueg 2001-5-17 24335 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decomissioned. 122 Comment
  RSA703431  Acacia cyclops A. C. Sanders 1986-7-30 6808 Los Angeles El Segundo Dunes, immediately W of LA International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  SEINET10487474  Acacia decurrens David B. Dunn 1946-1 Dunn 1995 Los Angeles Cultivated and weedy plants in the yard at 4911 Pasadena Ave. Terrace, Los Angeles. Comment
  CATA3455  Acacia melanoxylon Julia Parish, Benjamin Dion, Olivia Reda, Jaimie Choi 2017-8-29 033 Los Angeles Santa Catalina Island: Interior; Baker's Dam Soutern California Edison Sub Station 98 Comment
  SEINET13710885  Acacia melanoxylon Edward Frederick Anderson, Edward Frederick Anderson 1963-1 Los Angeles Claremont, Corner of 5Th & College, Pomona College Campus Comment
  RSA651554  Acacia retinodes Joe Painter 1949-2-20 s.n. Los Angeles 8990 Atlantic Blvd., South Gate Comment
Read comments
Jan 11 2007
  CAS-BOT-BC331573  Acer macrophyllum Antone Blazic 1923-4-7 30 Los Angeles Los Angeles Comment
  RSA394172  Acer macrophyllum L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  SBBG127591  Acer negundo A. C. Sanders, T. B. Salvato 2009-5-20 36852 Los Angeles Rio Hondo at Rancho Lujan, between Montebello and S El Monte, E side of San Gabriel Blvd, SE of Darlington St intersection 61 Comment
  SBBG128267  Achillea millefolium D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 7 Los Angeles Deer Valley Trail 4 Comment
  RSA724982  Achnatherum coronatum K. Dobry 1991-6-27 d- 785 Los Angeles Santa Monica Mts 1 mi E of Las Virgenes Rd along Mulholland Hwy Comment
  CAS-BOT-BC260446  Achnatherum hymenoides A. D. E. Elmer 1902-6-1 3617 Los Angeles Lancaster Comment
  SEINET6794816 Image available Achnatherum occidentale subsp. pubescens R. G. Swinney 2009-1 11029 Los Angeles Transverse Range; San Gabriel Mtns. Horse Flats, 1 air mile ... 1720 Comment
  RSA191169  Achnatherum speciosum R. F. Thorne, M. Z. Thorne 1967-7-19 37149 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  RSA587389  Achnatherum speciosum Orlando Mistretta 1992-5-8 278 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E of Little Rock Creek Reservoir 1067 Comment
  SBBG31391  Acmispon americanus R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles Haypress Reservoir 411 Comment
  LA33632  Acmispon glaber Peter H. Raven; 1959-4-4 13967 Los Angeles SANTA MONICA MOUNTAINS, E of Zuma Beach. 30 Comment
  SDSU19977  Acmispon glaber S. H. Bullock 1968-4-6 34 Los Angeles Claremont, north of Foothill Blvd. between Dartmouth and College Ave. 366 Comment
  SBBG67379  Acmispon grandiflorus var. grandiflorus R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  UCD104220  Acmispon maritimus Daryl Koutnik; John Cuti 1978-4-12 343 Los Angeles Northeastern Verdugo Mountains near La Tuna Canyon. 609 Comment
  RSA0069364  Acmispon maritimus var. brevivexillus Dean W. Taylor 2003-3-26 18478 Los Angeles Vincent, ca. 1.5 air mile NW of Vincent electrical substation (along steel-tower electrical transmission line corridor); Soledad Pass vicinity. 1066 Comment
  UCD170820  Acmispon procumbens R. G. Swinney 2009-5-12 10717 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  SBBG3490  Acmispon strigosus H. and M. Dearing 1938-4-6 2955 Los Angeles Mint Cyn Comment
  SBBG47503  Acmispon strigosus M. B. Dunkle 1928-4-11 1850 Los Angeles Emerald Bay Comment
  SD64193  Acmispon strigosus Walter Bertsch 1954-5-12 610 Los Angeles Claremont, end of Mills Avenue 456 Comment
  SBBG117102  Acmispon wrangelianus S. A. Junak 2001-5-18 SCa 1566 Los Angeles S side of Fern Cyn (one of the middle S forks of Cottonwood Cyn), above first crk crossing in rd to Fern Cyn, ca. 0.5 mi upstream from jct with Cottonwood Cyn Rd, near UTM 11S 0365612E 3694395N 198 Comment
  RSA0113440  Acmispon wrangelianus Steven A. Junak 1999-5-21 SCa- 968 Los Angeles Santa Catalina Island. At ridge just E of KBRT Radio Station, along S side of Airport Road, plant stop, on E side of KBRT Valley. 445 Comment
  CAS-BOT-BC29198  Acourtia microcephala Alice Eastwood 1919-7-4 9291 Los Angeles Santa Monica Canyon, Los Angeles Comment
  UCR133645  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks 335 Comment
  SD107826  Acourtia microcephala Mark Hoefs 1973-7-13 374 Los Angeles Middle Ranch Canyon, just above reservoir on northside of main road, Santa Catalin Island. Comment
  LA82110  Adenostoma fasciculatum O. H. Kappler; 1940-5-18 23 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR124752  Adenostoma fasciculatum B. C. Templeton 1930-5-27 1453 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 600 Comment
  CAS-BOT-BC65575  Adiantum capillus-veneris Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8108 Los Angeles Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge 847 Comment
  UCR190779  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6693 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR193685  Adiantum capillus-veneris R. G. Swinney, Dave 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
  SEINET5338300  Adiantum capillus-veneris G. B. Grant 1903-7-2 971 Los Angeles San Gabriel Can? Comment
  CATA1059  Adiantum jordanii Mark L. Hoefs 1995-5-10 1992 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  LA200063  Adiantum jordanii Lawrence L. Kiefer; 1966-3-12 1696 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near road just S of Malibu Lake. 243 Comment
  LA94085  Adiantum jordanii Lawrence L. Kiefer; 1966-3-26 1774 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  UC811113  Adiantum jordanii F. R. Fosberg 1931-3-23 R 79 Los Angeles Hamilton Canyon; Santa Catalina Isl 30 Comment
  RSA687716  Adiantum jordanii House s.n. Los Angeles San Clemente Island Comment
  UC1930145  Adiantum jordanii Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 160 Los Angeles Channel Islands; San Clemente Island: Steep N. slopes. Comment
  JEPS40100  Aesculus californica Samuel B. Parish Jun 1888 1893 Los Angeles Antelope Valley Comment
  RSA0081386  Ageratina adenophora R. G. Swinney 2010-8-26 13590 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA720159  Ageratina adenophora LeRoy Gross 2007-4-21 2646 Los Angeles East end of the range; Small canyon or draw. End of Capistrano Ave. just pass the intersection with El Rito Ave. City of Glendale. 336 Comment
  UCR159700  Ageratina adenophora Orlando Mistretta 1992-7-14 714 Los Angeles Transverse Ranges, San Gabriel Mtns: Gold Canyon Trail, Tujunga Ranger District 614 Comment
  UCR258576  Ageratina adenophora R. G. Swinney 2010-4-23 12368 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA702906  Agoseris grandiflora Scott D. White, Pam De Vries 2004-5-18 10442 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
  RSA732779  Agoseris retrorsa R. G. Swinney 2000-6-19 7819 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  CAS-BOT-BC14784  Agoseris retrorsa G. B. Grant 1906-6-10 6684 Los Angeles Mount Lowe, Castle Canyon Comment
  RSA0022830  Agrostis exarata Duncan S. Bell, Caitlin Elam 2013-8-1 5557 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  RSA0089522  Agrostis exarata R. G. Swinney 2011-8-17 15624 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  HSC94029  Agrostis stolonifera L. C. Wheeler 1967-9-17 Los Angeles San Gabriel Mountains, foot of Holiday Hill Ski Lift. 1997 Comment
  RSA683189  Albizia julibrissin Scott D. White 2003-10-14 9830 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
  CHSC26036  Aliciella latifolia J. Baltierra 1971-5-2 23 Los Angeles 15 miles East of Palmdale at Lovejoy Buttes in Mojave Desert. 914 Comment
  UCR101197  Alisma triviale L. C. Wheeler 1947-9-17 6630 Los Angeles San Gabriel Valley, Rio Hondo: at Rosemead Blvd. 70 Comment
  JEPS8606  Allium lacunosum Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4186 Los Angeles along forest service road between Horse Flat Camp and Pinyon Flats; San Gabriel Mountains, Angeles National Forest 1889 Comment
Read comments
Nov 21 2010
  SD187453  Allophyllum divaricatum Valerie Soza, Laura Moore 2000-5-10 851 Los Angeles Verdugo Mountains, north side; Verdugo Crestline Dr., north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to power lines west of peak O' 1936. 563 Comment
  RSA735940  Allophyllum gilioides subsp. gilioides Justin M. Wood 2008-5-31 14 Los Angeles Santa Monica Mountains National Recreation Area, Malibu Canyon Road, approx. 2 miles N of PCH. Comment
  UCR61042  Alnus rhombifolia R. G. Swinney 1989-6-30 S.N. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, 1.5 mi NE of Glendora Mtn. Road 457 Comment
  UC1135171  Alnus rhombifolia Jerome S. Horton 1936-2-10 251 Los Angeles Below Bell & Volfe Canyon Flumes Comment
  RSA763023  Amaranthus albus R. G. Swinney 2009-3-13 10110 -A Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel. 192 Comment
  UCR210239  Amaranthus albus R. G. Swinney 2008-10-20 9656 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR277085  Amaranthus albus R. G. Swinney 2010-10-5 13980 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA0082904  Amaranthus blitoides Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3122 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Along upper terrace overlooking the ocean. 39 Comment
  SDSU2090  Amaranthus blitoides J. Youngberg 2841 Los Angeles Pomona College, Archery Field, Claremont. Comment
  SFV13507  Amaranthus californicus M. H. Grayum, D. L. Koutnik, B. Balch 1977-12-3 916 Los Angeles San Fernando Valley Basin of Chatsworth Reservoir. 244 Comment
  RSA402989  Amaranthus powellii E. S. Spalding 1922-11-26 s.n. Los Angeles Near Glendale. Comment
  LA50811  Ambrosia acanthicarpa Peter H. Raven; Henry J. Thompson 1960-7-17 15561 Los Angeles Santa Monica Mountains, Saddle Peak, shoulder of peak, 1 mi E of summit 609 Comment
  UCR258563  Ambrosia acanthicarpa R. G. Swinney 2010-5-29 13009 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  SD69456  Ambrosia chamissonis Robert F. Thorne, P. Everett 1965-6-23 34950 Los Angeles Santa Catalina Island, Ben Weston Beach, west side of island on dunes Comment
  UC896706  Ambrosia chamissonis F. R. Fosberg 1931-5-16 S 4879 Los Angeles Little Harbor; Santa Catalina Island 2 Comment
  CAS-BOT-BC45005  Ambrosia confertiflora Ivan Murray Johnston 1920-1-1 s.n. Los Angeles Arcadia along Huntington Drive 152 Comment
  RSA188003  Ambrosia psilostachya R. F. Thorne, Percy C. Everett 1965-6-24 35036 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon 45 Comment
  UCR137149  Ammannia coccinea Anstruther Davidson 1902-5-30 s.n. Los Angeles Southern Coast, Bixby Slough [=Harbor Lake/Harbor Park, near Long Beach] 8 Comment
  RSA77793  Ammannia coccinea F. W. Peirson 1918-08 2079 Los Angeles Long Beach Comment
  UC56593  Amorpha californica var. californica Ernest Braunton June 1902 424 Los Angeles Elysian Park Comment
  UC934021  Amorpha californica var. californica H. L. Cogswell 1951-6-9 121 Los Angeles 1 1/3 mi nnw Big Dalton Dam (Sec. DE-8, Plot 6); San Gabriel Mountains, Wood's Peak Comment
  SFV3054  Amsinckia douglasiana P. G. Kilburn 1958-4-11 706 Los Angeles Santa Susana Mountains Oat Mountain, north slope ravine. Roadside. 945 Comment
  CATA426  Amsinckia intermedia Sara L. Crockett, Sheila Schueller 1997-3-8 564 Los Angeles Santa Catalina Island: Valley of the Ollas, 2.8 miles W on Empire Landing Road from jct. with Airport Road; N side of the road, ca. 200 m toward San Pedro Channel 268 Comment
  LA81964  Amsinckia intermedia O. H. Kappler; 1941-3-15 136 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SD21299  Amsinckia intermedia Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island 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
  RSA0089646  Amsinckia intermedia Tim Ross, E. Kellogg 1992-4-13 6141 Los Angeles San Clemente Island. NW part of the island; coastal terrace in the vacinity of Darter. ( 340 degrees NNW, 1140m distant from 199 BM near Flasher; ca 250m NNW of the shifting sand.) 18 Comment
  SEINET1004524  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-1 26120 Los Angeles Western San Gabriel Mtns.; Castaic Messa, 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
  UCR275024  Amsinckia tessellata Michael Honer, Rachel Woodard 2006-4-18 2202 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile north of Hwy 138 1006 Comment
  RSA717376  Amsinckia tessellata var. tessellata Scott D. White, Pam De Vries 2006-5-9 11394 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA465129  Anagallis arvensis F. R. Fosberg 1931-4-1 S 4433 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 60 Comment
  SD234277  Ancistrocarphus filagineus A. C. Sanders 2003-4-29 26169 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 395 Comment
  RSA0073121  Anemopsis californica Mark L. Hoefs 1995-5-16 2027 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors. 104 Comment
  CAS-BOT-BC64019  Anisocoma acaulis A. D. E. Elmer 1902-6-1 3605 Los Angeles Acton, nr. Gleason Comment
  CAS-BOT-BC64022  Anisocoma acaulis Geo. L. Mosley 1922-4-17 928 Los Angeles Antelope Valley Comment
  RSA249783  Anisocoma acaulis R. F. Thorne, Gary D. Wallace 1973-4-25 43404 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  SBBG119295  Anthriscus caucalis V. Soza, K. Hughes 1999-6-17 531 Los Angeles Chantry Flat, off rd 2N41, W of water tank 701 Comment
  UCR189414  Anthriscus caucalis R. G. Swinney 1998-5-30 6166 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA0034298  Antirrhinum coulterianum Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  UC444961  Antirrhinum coulterianum Geo. B. Grant 1904-7-1 49 Los Angeles Covina Comment
  SBBG117036  Antirrhinum kelloggii S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1501 Los Angeles N side of Middle Ranch Cyn, just W of Cyn Rd, ca. 1.4 mi from intersection with Airport Rd 323 Comment
  RSA703502  Antirrhinum multiflorum Scott D. White 2004-7-28 10665 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
  SBBG118688  Antirrhinum multiflorum O. Mistretta 1992-6-17 575 Los Angeles Rd 2N09 EA; Curtis Haul Rd; Cow Cyn, from 2nd drainage down to Cattle Cyn Comment
  CATA2975  Antirrhinum nuttallianum Peter J. Dixon 2015-2-17 003 Los Angeles Santa Catalina Island: Ben Weston Ridge Rd. near feral animal removal fence gate. 60 m West of Middle Ranch Rd. 137 Comment
  CAS-BOT-BC176326  Aphanisma blitoides E. R. Blakley 1963-12-7 6359 Los Angeles East end of Pyramid Cove, San Clemente Island 3 Comment
  CATA2977  Aphanisma blitoides Peter J. Dixon 2015-2-17 005 Los Angeles Santa Catalina Island: Ragger's Point, North Ridge of Cottonwood Canyon 260 m East of Pacific Ocean, West of Two Harbors Rd. Growing on midden. Aspect; South 190 85 Comment
  SBBG12205  Aphanisma blitoides P. H. Raven 1962-4-9 17178 Los Angeles sides of small arroyo above Wilson Cove 60 Comment
  SD90556  Aphanisma blitoides Robert F. Thorne 1973-4-12 42950 Los Angeles San Clemente Island, Pyramid Cove at south end of island Comment
  SDSU5560  Aphanisma blitoides R. M. Beauchamp 1967-3-19 336 Los Angeles San Clemente Island. Comment
  SD237623  Aphyllon californicum subsp. feudgei R. G. Swinney 2009-5-6 10689 Los Angeles Transverse Range: San Gabriel Mountains/Western Mojave Desert: Carr Canyon at confluence with Little Rock Creek (Palmdale 7.5'Q) 908 Comment
  RSA730185  Apocynum androsaemifolium R. G. Swinney 1998-9-4 6904 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  UCR108451  Apocynum androsaemifolium L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp. 2012 Comment
  UCR258918  Apocynum cannabinum R. G. Swinney 2010-9-13 13814 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
  RSA733042  Aquilegia formosa R. G. Swinney 1998-8-6 6703 Los Angeles Alder Gulch, a western tributary of upper East Fork San Gabriel River. 1159 Comment
  UCR194308  Aquilegia formosa R. G. Swinney 1998-8-6 6676 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  HSC101891  Arabidopsis thaliana LeRoy Gross 2001-3-31 363 Los Angeles Los Angeles Basin, Verdugo Mountains Region: South side, at end of Olive Avenue in Burbank. 366 Comment
  UCSB69555  Arabidopsis thaliana Gross, LeRoy 2001-3-31 Los Angeles Los Angeles Basin: Verdugo Mts. Region: S Side: at end of Olive Ave.; park on Via Montana; city of Burbank; follow old overgrown road to faint trail, up to the main crest with Sunset Cyn. to the W and Story Cyn. on the E; T1N R14W SE/4, sec. 1 365 Comment
  RSA97428  Arceuthobium occidentale F. W. Peirson 1921-11-12 4302 Los Angeles Collins Ranch, Liebre Mts. 1372 Comment
  CAS-BOT-BC23856  Arctostaphylos catalinae Robert F. Thorne; P. C. Everett 1965-5-12 34599 Los Angeles Santa Catalina Island, wooded slopes of Bulrush Canyon. 274 Comment
  CAS-BOT-BC23860  Arctostaphylos catalinae Reid Moran 1949-2-8 3153 Los Angeles Catalina Island, canyon above Whites Landing 457 Comment
  CAS-BOT-BC23620  Arctostaphylos crustacea Peter H. Raven; Henry J. Thompson 1959-2-25 13807 Los Angeles Santa Monica Mountains, Saddle Peak, 1.2 miles east of summit. 670 Comment
  RSA626673  Arctostaphylos glandulosa subsp. mollis Allen Massihi, Jon E. Keeley 1992-7-27 15782 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Rd. San Gabriel Mtns. 1000 Comment
  SBBG112159  Arctostaphylos glandulosa subsp. mollis C. Bornstein, E. Collins 1997-4-14 Los Angeles Liebre-Sawmill Mtn Rd [USFS 7N23], Liebre Mtns 1684 Comment
  RSA48475  Arctostaphylos glauca F. W. Peirson 1924-12-5 5383 Los Angeles Little Santa Anita Trail 915 Comment
  RSA600774  Arctostaphylos glauca L. C. Wheeler 1962-6-30 8162 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  RSA616857  Arctostaphylos glauca Cary Otis 1927-1 s.n. Los Angeles Gold Bar Mill site Comment
  RSA630373  Arctostaphylos glauca L. C. Wheeler 1967-5-15 9587 Los Angeles San Gabriel Mountains: Elsmere Canyon, near mouth. 533 Comment
  RSA631571  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15644 Los Angeles Angeles Forest Highway, 2.8 km south of Hidden Springs Cafe. 900 Comment
  RSA631685  Arctostaphylos glauca Jon E. Keeley 1977-11-5 7012 Los Angeles Stunt Road, several km west of Stunt Ranch. 530 Comment
  RSA0046924  Arctostaphylos glauca Michael C. Long, J. E. Long 1974-3-24 s.n. Los Angeles Devil's Punchbowl Co. Park. 1463 Comment
  POM367289  Arctostaphylos glauca var. glauca Robert Gustafson 1978-6-1 938 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1311 Comment
  RSA641516  Arctostaphylos parryana L. C. Wheeler 1967-8-28 10554 Los Angeles Dollar Mine at head of Dry Gulch off Coldwater Canyon 2195 Comment
  RSA635056  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20371 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  RSA635063  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20584 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA635076  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20295 Los Angeles Road to Mt. Gleason, 1 km west of Mill Creek Summit, San Gabriel Mtns. 1550 Comment
  RSA635118  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20356 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635148  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22034 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA233450  Arctostaphylos patula R. F. Thorne 1968-11-9 37866 Los Angeles along trail up S slope of Mt. Williamson 2195 Comment
  RSA747681  Arctostaphylos patula R. G. Swinney 2001-8-27 8105 Los Angeles San Gabriel Mountains: Mt. Burnham, west of Mt. Baden-Powell. 2740 Comment
  UCR190002  Arctostaphylos patula R. G. Swinney 1998-6-16 6991 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR143129  Arctotis stoechadifolia L. C. Wheeler 1933-6-24 1889 Los Angeles San Gabriel Valley, Alosta Avenue at Glendora Avenue, Glendora 229 Comment
  RSA0005599  Arenaria kuschei J. Aug Kusche 1929-7-12 s.n. Los Angeles Forest Camp, Mohave Desert. Comment
  RSA529137  Arenaria macradenia var. arcuifolia Timothy S. Ross, Steve Boyd 1991-7-24 5615 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  CAS-BOT-BC401600  Argemone albiflora Theodore Payne 1934-4-1 s.n. Los Angeles Stone Canyon, Santa Monica Mts. Comment
  RSA729306  Argemone munita R. G. Swinney 1998-7-2 6229 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  CAS-BOT-BC401797  Argemone munita subsp. rotundata Ernest C. Twisselmann 1959-6-2 5341 Los Angeles Old Ridge Route, 0.8 mile south of Sandberg's Lodge 1234 Comment
  JEPS51647  Argemone rotundata Frank W. Peirson 1918-7-9 55 Los Angeles San Gabriel Mountains, San Antonio Canyon San Antonio Canyon; San Gabriel Mountains, San Antonio Canyon 1981 Comment
  CAS-BOT-BC102181  Argyranthemum foeniculaceum Timothy S. Ross; Angelika Brinkmann-Busi 1992-3-28 6055 Los Angeles Palos Verdes Peninsula: Palos Verdes Estates: Bluff Cove Comment
  SBBG62405  Artemisia biennis unknown 1895-1 Los Angeles Los Angeles County [no specific locality] Comment
  CAS-BOT-BC167092  Artemisia douglasiana A. C. Sanders; Mark A. Elvin 2002-8-26 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa 305 Comment
  SBBG79909  Artemisia douglasiana F. R. Fosberg 1931-7-11 5384 Los Angeles Cape Cyn 230 Comment
  CAS-BOT-BC90349  Artemisia douglasiana L. R. Abrams 1901-8-21 2181 Los Angeles Ballona Comment
  CAS-BOT-BC93830  Artemisia dracunculus Ernest Braunton 1902-6-8 437 Los Angeles Ballona Comment
  UCR259560  Artemisia dracunculus R. G. Swinney 2010-9-7 13691 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR273217  Artemisia dracunculus R. G. Swinney 2011-10-18 15833 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA417315  Artemisia dracunculus Robert Gustafson 1981-6-17 2235 Los Angeles Ballona Wetlands, Area 2. Comment
  UCD129234  Artemisia dracunculus F. R. Fosberg 1931-7-11 S 5384 Los Angeles Cape Canyon, Santa Catalina Island. 230 Comment
  CAS-BOT-BC93764  Artemisia ludoviciana subsp. albula Tim Ross 1990-8-17 3167 Los Angeles San Gabriel Mtns.: S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine. 2121 Comment
  SEINET6046651  Artemisia tridentata Unknown 1956-9-16 7239 Los Angeles San Gabriel Mountains. Guffy Camp, Blue Ridge. Comment
  UCR239961  Artemisia tridentata subsp. parishii R. G. Swinney 2009-11-13 11617 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  OBI6007  Artemisia tridentata subsp. tridentata Carl B. Wolf 1931-10-23 2493 Los Angeles San Gabriel mtns. Swartout Valley, 1 mi E of Wrightwood Lodge Comment
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Jul 4 2013
  RSA589095  Artemisia tridentata subsp. tridentata Orlando Mistretta 1994-9-13 1462 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  UCR149838  Asclepias californica Scott D. White, Pam Devries 2004-5-18 10402 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  RSA0117686  Asclepias eriocarpa Lyman Benson 1951-6-21 14787 Los Angeles Claremont - Wash P.C. [Pomona College; Thorne's comment on location] Comment
  HSC3300  Asclepias eriocarpa C. E. Fellows 1965-9-7 160 Los Angeles 1/4 mi. up Hwy. from Charlton Flats Information Station, N side of Angeles Crest Hwy. Comment
  RSA785816  Asclepias fascicularis K. Dobry 1991-6-13 736 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  RSA69908  Asclepias fascicularis F. W. Peirson 1918-8-16 149 Los Angeles San Gabriel Mtns: Camp Baldy. 1371 Comment
  RSA640650  Asphodelus fistulosus Steven A. Junak 1996-5-17 483 -A Los Angeles San Clemente Island: NE portion of island, E of SE end of airfield runways, just N of upper portion of road to Dolphin Bay. 49 Comment
  LA200069  Aspidotis californica Lawrence L. Kiefer; 1966-3-12 1708 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 3rd [4th?] switchback S of Monte Nido. 382 Comment
  LA200072  Aspidotis californica Lawrence L. Kiefer; 1966-3-12 1700 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Rd. S of Mulholland Hwy, just N of Cold Creek and E of road. 304 Comment
  UC688905  Aspidotis californica John Thomas Howell 1928-2-9 3324 Los Angeles between Sierra Madre and Santa Anita Canyon; San Gabriel Mts Comment
  POM4796  Aster greatae I. M. Johnston 1917-9-16 1725 Los Angeles Coldwater Fork of [Cattle] Cow Canyon 1219 Comment
  UCR146506  Aster greatae Scott D. White 2004-8-23 10743 Los Angeles San Gabriel Mountains, S of Upper Big Tujunga Canyon Rd., c. 3 air mi NW of jct. with Angeles Crest Hwy; Chilao Flat 1006 Comment
  UCR229520  Aster subulatus Jeremiah George 2011-9-28 s.n. Los Angeles South Coast, Long Beach, east side of Los Angeles River channel, south of West Shoreline Dr. offramp from 710 Fwy 4 Comment
  UCSB3037  Astragalus Robert H. Gill 1959-3-24 59 Los Angeles collected 0.5 mi from, along State Highway 138 near Gorman U S Highway 99 - State Highway 138, Gorman and U S Highway 99 Comment
  IRVC28126  Astragalus didymocarpus A. C. Sanders 2003-5-1 26259 Los Angeles SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property Western San Gabriel Mtns. 396 Comment
  SEINET898804  Astragalus didymocarpus Lois E. James 1946-1 1747 Los Angeles Along the railroad tracks at Acton, Soledad Canyon. Comment
  RSA0116123  Astragalus douglasii R. G. Swinney 2010-6-1 13165 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
  UCR277396  Astragalus douglasii R. G. Swinney 2010-6-1 13165 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
  UCSB33623  Astragalus douglasii Griesel, Wesley 1962-6-7 Los Angeles Big Pines, San Gabriel Mts. 1066 Comment
  RSA660072  Astragalus douglasii var. douglasii Orlando Mistretta 1992-5-25 400 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  UCD104759  Astragalus douglasii var. douglasii Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Table Mountain Campground. 2194 Comment
  RSA415513  Astragalus gambelianus F. R. Fosberg 1931-3-26 S- 4390 Los Angeles Santa Catalina Island. Hamilton Canyon. 5 Comment
  UCR187190  Astragalus gambelianus A. C. Sanders 2006-4-21 32149 B Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  RSA134859  Astragalus gambelianus P. H. Raven, Henry J. Thompson 15044 Los Angeles Just West of Triunfo Pass. 640 Comment
  SBBG96862  Astragalus miguelensis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4208 Los Angeles lower half of China Cyn Comment
  SD85144  Astragalus miguelensis E. R. Blakley 1962-6-9 5192 Los Angeles San Clemente Island, China Point, sandy loam soil 3 Comment
  UC557768  Astragalus nevinii Nell Murbarger April, 1936 124 Los Angeles w side and s end San Clemente Island (near the ocean); w side and s end San Clemente Island Comment
  CAS-BOT-BC194250  Astragalus pachypus Alice Eastwood; John Thomas Howell 1937-4-26 3973 Los Angeles Near Palmdale Comment
  RSA587502  Astragalus pachypus var. pachypus Orlando Mistretta 1995-3-28 1582 Los Angeles San Gabriel Mts.; Drainage W of Little Rock Creek Reservoir just S of dam. 1128 Comment
  RSA599654  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-5-1 9672 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
  NY345445  Astragalus pycnostachyus var. lanosissimus H. E. Hasse 1888-8-24 Los Angeles Near Palms Comment
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Mar 12 2011
  NY345447  Astragalus pycnostachyus var. lanosissimus H. E. Hasse 1888-8-24 s.n. Los Angeles Near Los Angeles Comment
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Mar 12 2011
  UC56521  Astragalus pycnostachyus var. lanosissimus Ernest Braunton Sept 1902 682 Los Angeles Ballona Slough Comment
  RSA415761  Astragalus trichopodus Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  UCSB43765  Astragalus trichopodus Nakashima, L. 1982-4-18 Los Angeles East side of Stage Road; 1 mile southeast of Catalina airfield on Santa Catalina Island 457 Comment
  UCR50685  Astragalus trichopodus subsp. leucopsis Lyman Benson, Joseph Lanjoiw, Robert Benson 1953-5-2 15111 Los Angeles Channel Islands, Santa Catalina Island, White's Landing. 15 Comment
  UC128407  Astragalus trichopodus var. lonchus Marcus E. Jones, A. M. 1903-5-15 Los Angeles Catalina Island 30 Comment
  SBBG44173  Astragalus trichopodus var. lonchus M. R. Benedict 1967-4-4 Los Angeles N side of Pacific Coast Hwy, 0.25 mi E of Encinal Cyn Rd Comment
  RSA595999  Astragalus trichopodus var. phoxus L. C. Wheeler 1967-5-2 9253 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 366 Comment
  UC1871182  Astragalus trichopodus var. phoxus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4943 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  CATA1675  Astragalus trichopodus var. trichopodus Mark L. Hoefs, Steven A. Junak, Bob Given, Keri Kirkland 1998-7-17 2966 Los Angeles Santa Catalina Island: At junction of Grand Canyon and Silver Canyon 109 Comment
  RSA692173  Astragalus trichopodus var. trichopodus Scott D. White 2003-5-20 9317 Los Angeles Northern Chino hills: Diamond Bar. Hills and canyons within gated community called The Country, east of Diamond Bar Blvd. Steep unnamed canyons draining southward into Tonner Canyon. 244 Comment
  LA32257  Athysanus pusillus Peter H. Raven; Henry J. Thompson 1959-4-3 13925 Los Angeles Santa Monica Mountains, just E of Malibu Junction 243 Comment
  SBBG114308  Atriplex argentea var. expansa M. R. Benedict 1971-6-26 Los Angeles low terrace 0.5 mi S of Wilson Cove Comment
  SBBG13507  Atriplex argentea var. expansa P. H. Raven 1962-5-8 17619 Los Angeles near summit of ridge above Wilson Cove 121 Comment
  SDSU5514  Atriplex argentea var. mohavensis R. M. Beauchamp 1967-3-18 295 Los Angeles San Clemente Island. Comment
  UCR119253  Atriplex californica Jeremiah George 2001-9-20 s.n. Los Angeles South Coastal Plains Region, Torrance, 'rat beach' c. 0.25 mi. north of Malaga Cove 3 Comment
  IRVC28760  Atriplex canescens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25547 Los Angeles Newhall Ranch, central Potrero Canyon, NE of old ranch headquarters NE end of Santa Susana Mtns. 366 Comment
  UCR140639  Atriplex canescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-17 3- 27 Los Angeles San Gabriel Mtns/Mojave Desert, Route 18 at W 263 Street, Site L3 1033 Comment
  OBI6971  Atriplex confertifolia Shirley Vaughan 1974-5-11 31 Los Angeles 10th st. E and Kettering St., Lancaster 718 Comment
  UCR138521  Atriplex lentiformis subsp. lentiformis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Sand Canyon, Head of Placerita Canyon Hwy, Placerita Canyon Road 610 Comment
  CATA1813  Atriplex prostrata Benjamin E. Carter 2012-8-23 7000 Los Angeles Santa Catalina Island: Two Harbors at top of Catalina Harbor 1 Comment
  RSA478380  Atriplex rosea Alva Watry 1930-7-28 s.n. Los Angeles Telegraph Road Comment
  POM219168  Atriplex semibaccata L. C. Wheeler 1931-9-25 158 Los Angeles Los Feliz Blvd at Los Angeles River 122 Comment
  RSA453962  Atriplex semibaccata Joseph A. Ewan 1931-7-31 4773 Los Angeles Telegraph Road near Santa Fe Crossing, East Los Angeles. Comment
  SEINET3127525  Atriplex serenana G. B. Grant 1904-8-5 85 /6341 Los Angeles Pasadena Comment
  SBBG107  Atriplex serenana var. serenana R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  RSA50602B  Atriplex torreyi Eugene Wells 1909-11-27 s.n. Los Angeles Lancaster Comment
  RSA453980  Atriplex watsonii M. B. Dunkle 1939-4-4 7264 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  RSA534124  Atriplex watsonii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5088 Los Angeles San Clemente Island, west Cove, SW of the new landing field 6 Comment
  RSA385378  Avena barbata Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  SBBG14037  Azolla filiculoides P. H. Raven 1962-5-22 17853 Los Angeles Middle Crk about 1 mi below ranch Comment
  RSA418210  Baccharis douglasii T. Gertrude Williamson 1924-8-22 s.n. Los Angeles Catalina Island, Toyon Canyon Comment
  UC63383  Baccharis glutinosa Ernest Braunton 1902-7-1 602 Los Angeles Los Angeles River Comment
  RSA0060475  Baccharis pilularis R. G. Swinney 2010-8-16 13534 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  LA201757  Baccharis plummerae subsp. plummerae Arthur C. Gibson; 2003-9-3 4841 Los Angeles Comment
  CAS-BOT-BC98166  Baccharis salicifolia Carl Epling; Lincoln Ellison 1929-4-27 s.n. Los Angeles Santa Monica Mountains - Topanga Canyon Comment
  POM350347  Baccharis salicifolia F. R. Fosberg 1931-3-23 4330 Los Angeles Hamilton Canyon, Santa Calalina Island 20 Comment
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Jun 5 2014
  POM350350  Baccharis salicifolia M. B. Dunkle 1933-6-17 3586 Los Angeles San Antonio River Canyon. Coastal Southern California. 915 Comment
  POM37520  Baccharis salicifolia Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  SFV14476  Baccharis salicifolia J. L. Reveal 1987-9-28 3896 Los Angeles San Fernando Valley Limekiln Canyon, north of Rinaldi. 366 Comment
  SFV21393  Baccharis salicifolia L. Gross 2002-3-7 489 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Off La Tuna Canyon Road in Santa Monica Mountains Conservancy land, south of 210 Freeway. Side Canyon off of La Tuna Canyon. 579 Comment
  UCR186594  Baccharis salicifolia T. B. Salvato, Sarah Flack 2007-8-8 3039 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  UCR197189  Baccharis salicifolia Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 669 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  CAS-BOT-BC75763  Berberis nevinii Charles Darland 1933-1-1 s.n. Los Angeles San Gabriel Mountains. Pacoima Wash near San Fernando. 365 Comment
  CATA1648  Beta vulgaris Mark L. Hoefs, Steven A. Junak 1998-6-12 2931 Los Angeles Santa Catalina Island: Hillside above Catalina Harbor 14 Comment
  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
  SEINET10757249  Bidens pilosa David B. Dunn 1941-2-23 Dunn 692 Los Angeles Two blocks north of Santa Monica Blvd. on Westwood Blvd. Comment
  RSA190922  Bloomeria crocea var. crocea Robert F. Thorne 1967-5-19 36893 Los Angeles Santa Catalina Island. Lower Middle Ranch Canyon below Eagles Nest 91 Comment
  RSA367454  Bloomeria crocea var. crocea A. M. Johnson 1934-4-7 4397 Los Angeles Botany Garden, Campus, UCLA Los Angeles Comment
  RSA367304  Bloomeria crocea var. crocea B. C. Templeton 1920-5-27 1465 Los Angeles Mulholland Drive. 300 Comment
  CAS-BOT-BC15866  Boechera arcuata George Loucks Moxley 1917-3-11 533 Los Angeles Pacoima Canyon near San Fernando. Comment
  RSA482644  Boechera arcuata Robert Gustafson 1973-5-17 s.n. Los Angeles 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Highway 1585 Comment
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Feb 15 2016
  RSA585530  Boechera californica Timothy S. Ross 1992-4-21 6231 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  UC1871064  Bolboschoenus maritimus subsp. paludosus T. S. Ross 1993-4-20 6824 Los Angeles Santa Catalina Island; NE side of Little Harbor near the outlet of Little Springs Canyon drainage. Comment
  UC196403  Bothriochloa barbinodis Mrs. H. S. Yates 1914-6-6 Los Angeles Pomona Comment
  POM6980  Bowlesia incana P. A. Munz, L. T. Street, G. Williams 1919-4-19 2471 Los Angeles Lone Hill, San Dimas. Comment
  RSA0069716  Brachypodium distachyon Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 6 Los Angeles Santa Catalina Island. Deer Valley Trail. 4 Comment
  SBBG20550  Brassica geniculata E. R. Blakley 1963-12-7 6374 Los Angeles 200 yds SE of new air strip 60 Comment
  SBBG98687  Brassica geniculata T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5050 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  UCSB2259  Brassica geniculata Wilson, Richard 1958-3-1 Los Angeles Santa Monica Mountains; 5 miles North of Topanga 304 Comment
  UCR127203  Brassica nigra A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26264 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 442 Comment
  CAS-BOT-BC100406  Brickellia californica John Thomas Howell 1927-10-16 3156 Los Angeles on trail from Santa Anita [Canon] Canyon to Sierra Madre, San Gabriel Mts. Comment
  CHSC20919  Brickellia californica Robert A. Schlising 1971-10-28 3007 Los Angeles Lopez Canyon, north of Pacoima. Comment
  SBBG66138  Brickellia californica R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  UC63365  Brickellia californica E. B. Babcock 1902-11-1 Los Angeles near Pomona Comment
  SEINET12053181  Brodiaea coronaria Unknown 1933-1 8465 Los Angeles near Los Angeles Comment
  RSA232814  Brodiaea kinkiensis Robert F. Thorne 1966-4-17 36089 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  CAS-BOT-BC520381  Bromus berteroanus Steve Boyd; Gary Wallace 2011-4-14 12308 Los Angeles Transverse Ranges: Liebre / San Gabriel Mtns region. Acton Wash ca 3 km E of jct of Soledad Canyon Rd and Crown Valley Rd 829 Comment
  LA33371  Bromus carinatus Henry J. Thompson; 1959-4-19 1950 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  RSA385302  Bromus carinatus H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  POM308936  Bromus carinatus var. carinatus Kay H. Beach 1943-7-30 704 Los Angeles Monroe Canyon bottom station no. 13, San Dimas Experimental Forest. U.S. Forest Dept. Comment
  RSA0095250  Bromus carinatus var. carinatus R. G. Swinney 2011-6-20 15226 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  RSA599944  Bromus carinatus var. carinatus L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  RSA718063  Bromus carinatus var. carinatus R. G. Swinney 1997-8-19 5817 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  CATA3359  Bromus catharticus Amy Catalano 2017-4-25 066 Los Angeles Santa Catalina Island: NW end of Little Harbor Campground, old horse tie-out post at campsite #2 13 Comment
  RSA533473  Bromus catharticus Timothy S. Ross 1991-4-21 4568 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  CATA62  Bromus diandrus USC Wrigley Interns: Sabrina Lawrence-Gomez, Daniel Kasang, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-8 38 Los Angeles Santa Catalina Island: Deer Valley Trail 92 Comment
  RSA347555  Bromus diandrus B. A. Prigge 1986-3-20 8873 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  RSA656418  Bromus diandrus Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 674 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  RSA598090  Bromus grandis Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3787 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  RSA0106845  Bromus hordeaceus R. G. Swinney 2011-5-10 14632 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  SBBG13291  Bromus hordeaceus M. A. Piehl 1962-6-9 62325 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  PASA648  Bromus mollis Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  POM363937  Bromus rubens Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  UCR186930  Bromus rubens A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32024 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  CHSC99438  Bromus sterilis LeRoy Gross; M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1054 Los Angeles Transverse Ranges: Verdugo Mountains region: South side of mountains; Brand Canyon, below the high waterfall, where the canyon forks off. UTM Zone 11: 3784447N 0383368E. A smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  UCR223117  Bromus tectorum R. G. Swinney 2009-5-20 10799 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR255757  Bromus tectorum R. G. Swinney 2010-5-12 12715 Los Angeles San Gabriel Mountains/Mojave Desert, 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
  RSA0019953  Bromus tectorum P. A. Munz 1921-6-17 4667 Los Angeles San Antonio Mountains: Swartout Valley near Wright's Ranch. 1921 Comment
  UC1870201  Buddleja asiatica LeRoy Gross 2001-5-28 410 Los Angeles Los Angeles Basin region: Verdugo Mountains, S side; Start from dead end st Mesa Lila Rd, in Verdugo City. Climb ridge between Henderson and Engleheard Cyns to main crest, then went a short distance down Brand Park Mountain Way from Verdugo Mountain Way. 548 Comment
  RSA563508  Buddleja saligna Tim Evans 1993-10-27 s.n. Los Angeles Santa Monica Mountains: just east of Saddle Peak area, about 400 meters south of Saddle Peak Road along Schueren Road. 701 Comment
  RSA764417  Caesalpinia gilliesii Justin M. Wood 2009-8-18 1250 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  CATA1244  Cakile maritima Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2322 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  SD66827  Cakile maritima R. Mitchel Beauchamp 1967-3-19 324 Los Angeles San Clement Island; West Cove. Comment
  SD90264  Cakile maritima Robert F. Thorne 1973-4-12 42916 Los Angeles San Clemente Island; dunes at Horse Cove, south end of island. 3 Comment
  IRVC26445  Calandrinia ciliata A. C. Sanders, Mark Elvin, et al. 2003-3-4 25694 Los Angeles Newhall Ranch, along dirt road on eastern slopes below "Grapevine Mesa," 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA466533  Calandrinia ciliata M. B. Dunkle 1929-4-21 2138 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  SEINET4087346  Calandrinia ciliata M. B. Dunkle 1939-1 7134 Los Angeles San Clemente Island. Comment
  RSA535280  Calandrinia ciliata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5319 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA0035043  Calandrinia ciliata var. menziesii Elwood Fordham 1951-3-15 s.n. Los Angeles Topanga. 304 Comment
  SD90420  Callitriche marginata Robert F. Thorne 1966-4-17 36088 Los Angeles San Clemente Island; muddy margin of small reservoir between Boulder & Horton, northeast side of island. 490 Comment
  UCR270495  Calocedrus decurrens R. G. Swinney 2011-11-1 15947 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  LA22304  Calochortus albus Flora Murray Scott; May 1926 sn Los Angeles Santa Monica Mountains, Malibu Ranch Comment
  CAS-BOT-BC132277  Calochortus catalinae John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  POM157977  Calochortus catalinae M. B. Dunkle 1928-3-17 1752 Los Angeles Santa Catalina Island. Isthmus. 91 Comment
  RSA377303  Calochortus catalinae Louis C. Wheeler 1932-5-7 686 Los Angeles U.C.L.A. Campus West of Los Angeles. 137 Comment
  UCD139488  Calochortus catalinae J. Dilley 1995-5-7 44 Los Angeles Calabasas, Santa Monica Mountains, Stunt Road, 0.5 mile south of Mulholland Hwy. 300 Comment
  SD41987  Calochortus clavatus Darley F. Howe 1947-5-3 Los Angeles Mint Canyon Comment
  RSA753866  Calochortus clavatus var. gracilis Frank Landis 2009-4-20 FCL- 2009 -20 Los Angeles Disturbed vegetation around base of electrical tower, NE of Corral Sunshine Mtwy. 777 Comment
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Aug 27 2012
  UC1043438  Calochortus invenustus Richard M. Straw 1954-6-16 619 Los Angeles Horse Flats road, off Angeles Crest Hwy San Gabriel Mts. Comment
  RSA0049505  Calochortus palmeri var. palmeri Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Liebre Mountains region: Bouquet Canyon. Comment
  RSA0020990  Calochortus plummerae Orlando Mistretta, Christine Mistretta 2011-7-5 5896 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1254 Comment
  RSA584771  Calochortus plummerae Timothy S. Ross 1992-7-17 6716 Los Angeles San Gabriel Mountains: Condor Peak and immediate vicinity. 1627 Comment
  SBBG126960  Calochortus plummerae A. Parikh, N. Gale 2011-6-28 3520 Los Angeles upper Big Tujunga Cyn, just N of Shortcut Station, 0.6 km N of St Hwy 2; San Gabriel Mtns 1280 Comment
  UC1178591  Calochortus plummerae Peter Kamb 1948-6-26 1136 Los Angeles near Reese Ranch; San Gabriel Mts., Little Tujunga Canyon 518 Comment
  UCR281597  Calochortus plummerae R. G. Swinney 2014-6-5 16698 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  RSA9067  Calochortus plummerae R. Johnson 1931-06 3194 Los Angeles Verdugo Mountains: Tuna Canyon, Johnsons Ranch. 351 Comment
  POM294644  Calochortus splendens Lyman Benson 1946-5-13 12083 Los Angeles Midway between Pomona and Brea. Pacific Slope Drainage Area, Puente Hills. 274 Comment
  SEINET11167488 Image available Calodendrum capense Unknown 2000-7-1 Los Angeles Long Beach Comment
  UCR281987  Calycoseris parryi R. G. Swinney 2014-4-18 16118 B Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  UCR223054  Calyptridium monandrum R. G. Swinney 2009-5-5 10646 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR259138  Calyptridium monandrum R. G. Swinney 2010-5-4 12519 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
  RSA600023  Calystegia longipes Steve Boyd, Lauren Raz 1997-5-29 9936 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1098 Comment
  CAS-BOT-BC215796  Calystegia macrostegia subsp. intermedia Timothy S. Ross; Darin Banks 1994-4-12 7482 Los Angeles Westerly draw draining from ridge which divides S. Fr. Cyn from Dy Canyon, ca 310 m S of where Drinkwater Canyon joins S. Fr. Canyon, San Francisquito Canyon, Liebre Mountains 554 Comment
  LA50066  Calystegia macrostegia subsp. intermedia LeRoy Abrams; 1963-3-8 3106 Los Angeles near Inglewood Comment
  RSA394902  Calystegia macrostegia subsp. intermedia E. S. Spalding 1923-5-30 s.n. Los Angeles Sierra Madre Canyon Comment
  UCR231171  Camissonia Dan S. Cooper 2011-6-30 611- 77 A Los Angeles South Coast, Ballona Wetlands Ecological Reserve, open parcel north of Culver Blvd. 4 Comment
  RSA465688  Camissonia bistorta Richard C. Barkelew 1929-4-17 s.n. Los Angeles Santa Monica Mountains, Mulholland Highlands, Los Angeles. Comment
  RSA466983  Camissonia bistorta L. E. Hoffman 1931-5-30 s.n. Los Angeles Cucamonga Wash Comment
  CAS-BOT-BC173253  Camissonia californica A. C. Sanders; Helen Kennedy 2005-4-13 29414 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA466144  Camissonia californica Fay A. MacFadden 1931-3-28 36 Los Angeles Verdugo Mountains, La Tuna Canyon Comment
  RSA756202  Camissonia campestris subsp. campestris Barbara Ertter, L. R. Heckard, T. Sholars, J. Hickman 1988-5-23 7478 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2) Comment
  UC147162  Camissonia campestris subsp. campestris H. M. Hall June, 1899 Los Angeles Swarthout Canyon San Antionio Mountains 2042 Comment
  UCD103401  Camissonia campestris subsp. campestris J. M. Tucker 1962-4-18 3619 Los Angeles Oso Canyon, 1.5 miles SE of Hamilton Field gate. 1188 Comment
  UCR62350  Camissonia hirtella Jeri Hirshberg, Theo Glenn 1990-5-12 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest; north of Oak Spring Canyon amd west of Pole Canyon, south of military reservation at mouth of Pole Canyon, where it joins Soledad Canyon 917 Comment
  RSA595939  Camissonia hirtella Louis C. Wheeler 1967-5-9 9411 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  RSA506206  Camissonia pallida subsp. pallida Louis C. Wheeler 1967-5-12 9437 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SEINET7040192  Camissonia pallida subsp. pallida A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  RSA454104  Camissonia strigulosa Ora M. Clark 1929-3-29 1806 Los Angeles E.W. Saugus Comment
  SBBG61466  Camissoniopsis hirtella R. Hoffmann 1929-5-21 Los Angeles hills above Elizabeth Lake Comment
  CATA3037  Camissoniopsis intermedia Amy Catalano 2016-3-18 044 Los Angeles Santa Catalina Island: On west side ca. 0.5 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road 308 Comment
  CAS-BOT-BC160531  Camissoniopsis lewisii H. Wedberg 1957-4-1 13 Los Angeles On Point Dume Comment
  RSA114408  Cannabis sativa P. A. Munz 1955-11-5 21486 Los Angeles at edge of pavement, 1.5 blks. N of Foothill Blvd. on Mills Ave., Claremont. Comment
  JEPS53287  Capsella bursa-pastoris Alice King Feb., 1908 Los Angeles Santa Ana Comment
  UCR126909  Cardamine A. C. Sanders 1996-2-24 17956 Los Angeles San Gabriel Valley, Claremont, grounds of the Rancho Santa Ana Botanic Garden 412 Comment
  LA200312  Cardamine californica Carl Epling; 1929-3-16 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA670692  Cardamine californica var. integrifolia Geo L. Moxley 1917-3-11 530 Los Angeles Pacoima Canyon, near San Fernando Comment
  UCR194591  Cardamine oligosperma R. G. Swinney 1999-4-9 7082 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  UC830162  Carex I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4612 Los Angeles s end Boquet Canyon 450 Comment
  UC1595323  Carex alma Tim Ross, Orlando Mistretta 1992-7-24 6769 Los Angeles 76 degrees ene, 900 m distant from Strawberry Peak summit (vicinity of Strawberry Spring); San Gabriel Mts., Strawberry Spring 1460 Comment
  RSA746856  Carex alma Orlando Mistretta 1992-5-21 377 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  CAS-BOT-BC19229  Carex barbarae Ernest Braunton 1903-1-20 799 Los Angeles Oak Knoll. Comment
  UCR149901  Carex douglasii R. G. Swinney 1999-6-18 7331 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR190759  Carex pellita R. G. Swinney 1999-7-5 7498 Los Angeles San Gabriel Mtns., head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2037 Comment
  CAS-BOT-BC118427  Carex praegracilis George B. Grant 1910-2-1 3425 Los Angeles Oak Knoll Pasadena Comment
  OBI35041  Carex praegracilis A. C. Sanders, K. R. Neisess & N. Smith, N. Smith 1980-6-4 1551 Los Angeles Peace Valley, about 3 mi SE of Gorman on the Old Gorman Post Rd 1219 Comment
  POM80375  Carex schottii George B. Grant s.n. Los Angeles Pasadena. Comment
  RSA232278  Carex schottii Robert F. Thorne 1969-7-10 38411 Los Angeles Along Mescal Creek. 2043 Comment
  RSA733428  Carex spissa R. G. Swinney 2000-5-25 7785 Los Angeles San Gabriel Mnts.: Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon. Comment
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Nov 4 2010
  CAS-BOT-BC116600  Carex subfusca Robert F. Thorne; M. Z. Thorne 1969-7-9 38559 Los Angeles San Gabriel Mts. Angeles National Forest, at Big Pines. 2087 Comment
  RSA771621  Carex triquetra D. Propst 1972-05 RFT- 42166 Los Angeles Santa Catalina Island. Comment
  SD90280  Carex tumulicola Robert F. Thorne 1973-4-11 42804 Los Angeles San Clememte Island; in moist gully leading into Middle Ranch Canyon. 427 Comment
  CDA35025  Carpobrotus chilensis M. O'Brien 2005-3-6 s.n. Los Angeles El Matador State Beach. Bluff top above the strand. 0 Comment
  RSA402599  Carpobrotus edulis Mary D. Merilatt 1936-7-15 s.n. Los Angeles Playa del Rey. Comment
  RSA604513  Castilleja affinis Sara L. Crockett, Sheila Schueller 1997-3-8 561 Los Angeles Santa Catalina Island. Point overlooking Cottowood Beach. 79 Comment
  SBBG17966  Castilleja affinis E. R. Blakley 1963-4-7 5500 Los Angeles Little Harbor 15 Comment
  UCSB21076  Castilleja affinis subsp. affinis Nitta, E. 1967-5-19 Los Angeles On south side of Bouquet Canyon Rd; 23 mi. east of jct. with Henry Way; San Gabriel Mtns 990 Comment
  UCR223147  Castilleja applegatei R. G. Swinney 2009-7-22 11329 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA729456  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6326 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  SD134379  Castilleja chromosa Craig Reiser 1991-5-6 Los Angeles Palmdale, Verde Ridge Comment
  CHSC14139  Castilleja exserta L. M. Mayer; I. J. Mayer 1974-4-10 146 Los Angeles Saugus turnoff e of Hwy 5. Comment
  UCR186984  Castilleja exserta A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32234 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
  JEPS32577  Castilleja foliolosa L. R. Heckard 1953-5-2 366 Los Angeles Mt. Orizaba, just off airport road Santa Catalina Island Comment
  SFV11228  Castilleja foliolosa D. K. Shayne 1966-3-9 101 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  RSA136582  Castilleja minor subsp. spiralis Peter H. Raven 1957-6-15 10914 Los Angeles Latigo Canyon Road at Newton Canyon Road. 549 Comment
  RSA630744  Castilleja minor subsp. spiralis LeRoy Gross 1999-8-21 164 Los Angeles San Gabriel Mountains: Charlton Flat. 1616 Comment
  UC57005  Castilleja subinclusa subsp. subinclusa H. M. Hall Apr 1902 3071 Los Angeles 10 mi w Palmdale; Antelope Valley Comment
  RSA165718  Caulanthus amplexicaulis var. amplexicaulis Brian C. Miller, W. Griesel 1963-7-2 s.n. Los Angeles Road between Liebre and Sawmill Mts. 1463 Comment
  LA51354  Caulanthus heterophyllus A. M. Johnson; 1935-4-26 4574 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CATA3035  Caulanthus lasiophyllus Amy Catalano 2016-3-17 042 Los Angeles Santa Catalina Island: On west side ca. 0.5 miles down of second Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, about 95 meters off road 320 Comment
  CAS-BOT-BC39568  Caulanthus major Joseph Andorfer Ewan; Nesta Ewan 1936-8-2 9897 Los Angeles San Gabriel Mountains. 1.5 mile below head of Cedar Canyon off Mescal Canyon. Comment
  UC1234759  Ceanothus arboreus Peter H. Raven 1962-5-20 17781 Los Angeles Farnsworth Loop on summit road Santa Catalina Island 243 Comment
  UCSB4013  Ceanothus arboreus Pyeatt, Lyle 1957-6-12 Los Angeles Renton mine, 1.5 miles S. of Avalon, Catalina Comment
  CAS-BOT-BC48751  Ceanothus crassifolius Rimo Bacigalupi 1925-4-18 1176 Los Angeles San Antonio Canyon near mouth San Gabriel Mts. Comment
  UC452582  Ceanothus crassifolius Geo. B. Grant 1901-1 147 Los Angeles Mt. Lowe Comment
  UCSB3862  Ceanothus crassifolius Ballard 1955-2-15 Los Angeles Lookout over San Gabriel Peak 914 Comment
  CAS-BOT-BC48871  Ceanothus cuneatus C. F. Baker 1904-3-18 4055 Los Angeles Claremont Comment
  IRVC28846  Ceanothus cuneatus Mark A. Elvin, Cathleen Weigand 2003-4-8 2458 Los Angeles Newhall Ranch, flats S of confluence of Hasley Canyon with Castaic Creek Santa Clarita Valley 297 Comment
  CHSC100413  Ceanothus cuneatus var. cuneatus John Dittes; Josephine Guardino 2008-2-20 1499 Los Angeles Western Transverse Ranges; Santa Monica Mountains; Malibu Canyon; downslope of Malibu Canyon Road; ca. 2.7 air-miles NE of Malibu Lagoon State Beach, ca. 1.0 air-mile south of intersection of Malibu Canyon Road and Piuma Road; just south of road tunnel. 123 Comment
  LA45126  Ceanothus greggii var. vestitus Carl Epling; 1931-5-16 5091 Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  RSA607190  Ceanothus integerrimus Louis C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1220 Comment
  RSA670705  Ceanothus integerrimus Bonnie C. Templeton 1956-6-3 7688 Los Angeles Between Mt. Wilson and Charlton Flats, San Gabriel Mountains. Comment
  UC18359  Ceanothus integerrimus A. Davidson 1892-1 Los Angeles Wilsons Peak 609 Comment
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Oct 3 2010
  CAS-BOT-BC50567  Ceanothus leucodermis Timothy S. Ross 1993-6-1 7348 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail between Chatry Flat and Hoegee Camp (on Winter Creek), 768 Comment
  CAS-BOT-BC50575  Ceanothus leucodermis W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon near Monrovia Comment
  CAS-BOT-BC50599  Ceanothus leucodermis H. E. McMinn 1921-7-1 1196 Los Angeles Big Bear Region Comment
  RSA399011  Ceanothus leucodermis Tisdale 1929-4-15 s.n. Los Angeles Topanga Canyon. Comment
  SEINET13387039 Image available Ceanothus leucodermis R. G. Swinney 2011-1 14071 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  UCR220368  Ceanothus leucodermis R. G. Swinney 2009-4-16 10351 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA399117A  Ceanothus megacarpus T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  RSA399706  Ceanothus megacarpus Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  CATA431  Ceanothus megacarpus var. insularis Sara L. Crockett 1997-3-13 569 Los Angeles Santa Catalina Island: 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road, 10 m W of road on edge of dry gully 335 Comment
  CAS-BOT-BC51424  Ceanothus megacarpus var. megacarpus John Thomas Howell 1928-3-2 3353 Los Angeles Griffith Park Comment
  LA43627  Ceanothus megacarpus var. megacarpus Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  CAS-BOT-BC50484  Ceanothus oliganthus Henry J. Thompson 1959-3-27 1890 Los Angeles Santa Monica Mountains - Saddle Mountain - 1.5 miles east of peak 731 Comment
  RSA277960  Ceanothus oliganthus var. oliganthus Austin P. Griffiths 1962-11-5 4499 Los Angeles Chantry Flat, Big Santa Anita Canyon, N. of Arcadia, San Gabriel Mts. Comment
  UCR147711  Ceanothus oliganthus var. oliganthus Valerie Soza, Et al. 2000-6-27 1032 b Los Angeles San Gabriel Mountains, Firebreak above Upper Winter Creek Trail, c. 2 mi NW of Chantry Flat along FSR 2N41.2 N of San Olene Canyon 823 Comment
  UCD170933  Ceanothus oliganthus var. sorediatus R. G. Swinney 2009-3-16 10117 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39. 227 Comment
  RSA128280  Ceanothus spinosus H. J. Thompson 1959-3-27 1891 Los Angeles Santa Monica Mountains: Saddle Peak, 1.5 miles east of peak. 750 Comment
  RSA0029518  Ceanothus spinosus Richard C. Barkelew 1929-4-17 s.n. Los Angeles Mulholland Highlands, Los Angeles Comment
  CDA1101  Cenchrus longispinus Garrettson s.n. Los Angeles Los Angeles County. 0 Comment
  CAS-BOT-BC272068  Centaurea melitensis Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass, Los Angeles - Ventura line Comment
  OBI35694  Centaurea melitensis Rebecca Cicoria 1982-5-8 72 Los Angeles Palos Verdes Peninsula: W end of Burma trl, Rancho Palos Verdes Comment
  POM199567  Centaurea melitensis Fordyce Grinnell Jr. 1903-6-27 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  POM351505  Centaurea melitensis Anstruther Davidson 1892-09 s.n. Los Angeles E. Los Angeles. Comment
  SDSU6456  Centaurea melitensis R. M. Beauchamp 1967-6-2 562 Los Angeles Area half way between Eel Point and The San Dunes on east side of dirt road, San Clemente Island. 30 Comment
  RSA0107119  Centranthus ruber R. F. Thorne, P. C. Everett 1994-2-7 33448 Los Angeles Santa Catalina Island. Just E of Avalon along road to Pebbly Beach. Comment
  RSA594296  Centranthus ruber Louis C. Wheeler 1947-5-24 6505 Los Angeles San Gabriel Mountains. South side of San Gabriel Canyon, 1/8 mi. upstream from mouth. Comment
  UCR123802  Centrostegia thurberi Steven R. Hill, K. Kramer 2001-4-22 33369 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  UCR282005  Centrostegia thurberi R. G. Swinney 2014-5-1 16323 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  RSA392722  Centrostegia thurberi var. thurberi Anstruther Davidson 1892-07 s.n. Los Angeles Lancaster. Comment
  RSA442196  Cerastium glomeratum Donald R. Bissing 1973-5-4 54 Los Angeles 0.4 mile from canyon mouth 725 Comment
  UCR259459  Ceratophyllum demersum R. G. Swinney 2010-9-7 13702 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  CAS-BOT-BC167127  Cercocarpus betuloides A. C. Sanders; Mark A. Elvin 2003-6-18 26947 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
  RSA167627  Cercocarpus betuloides Peter H. Raven, Robert F. Thorne 1964-5-7 19000 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UCR129428  Cercocarpus betuloides A. C. Sanders, Mark Elvin 2002-6-20 25209 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
  LA52109  Cercocarpus betuloides var. betuloides A. M. Johnson; Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA569955  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4867 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA592807  Cercocarpus betuloides var. betuloides Steve D. Boyd, Orlando Mistretta 1996-5-1 8759 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  LA88743  Cercocarpus betuloides var. blancheae Karen Searcy; 1967-1-28 26 Los Angeles Santa Catalina Island, Pebbly Beach Canyon on Renton Mine Rd 182 Comment
  RSA449429  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-8-13 55397 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon Comment
  RSA498795  Cercocarpus ledifolius Albert J. Perkins 1912-9-8 s.n. Los Angeles Mt San Antonio Trail. 2134 Comment
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Jun 5 2015
  SD84878  Cercocarpus traskiae Reid Moran 1941-3-5 678 Los Angeles Salta Vede, bottom of arroyo, Santa Catalina Island. 249 Comment
  CAS-BOT-BC279509  Chaenactis artemisiifolia Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  CAS-BOT-BC279531  Chaenactis artemisiifolia Alice Eastwood 1906-5-27 106 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  RSA0087064  Chaenactis artemisiifolia R. G. Swinney 2010-5-4 12518 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
  RSA351642  Chaenactis artemisiifolia Geo L. Moxley 1915-7-19 388 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  UCR280696  Chaenactis fremontii R. G. Swinney 2014-4-10 16048 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA714876  Chaenactis glabriuscula A. C. Sanders 2003-5-22 26817 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
  RSA747005  Chaenactis glabriuscula R. G. Swinney 2005-4-9 8211 Los Angeles San Dimas, Sycamore Canyon 396 Comment
  UCR190025  Chaenactis glabriuscula R. G. Swinney 1998-6-12 6956 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
  RSA0096982  Chaenactis glabriuscula var. glabriuscula Richard G. Swinney 2011-5-31 14905 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
  CAS-BOT-BC277367  Chaenactis glabriuscula var. glabriuscula Geo. L. Fisher 1929-6-9 s.n. Los Angeles San Fernando 304 Comment
  LA31658  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; Henry J. Thompson 1959-6-4 14316 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  UCR23738  Chaenactis santolinoides John C. Roos 1947-5-31 3667 Los Angeles San Gabriel Mountains, Big Pines 2134 Comment
  POM351856  Chaenactis xantiana Robert Gustafson 1978-6-1 947 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, area paralleling upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  OBI28066  Chaenactis xantiana David J. Keil, Dirk Walters 1977-4-30 12279 Los Angeles On S side of Calif Rte 138 in vincity of jctn with Los Angeles C Rd N-2, across hwy from Quail Reservoir Comment
  SD43384  Chaenactis xantiana Darley F. Howe 1948-5-4 1792 Los Angeles Goode Pass, San Gabriel Mountains 915 Comment
  SEINET11860938  Chaenactis xantiana H. M. Hall 1902-1 3073 Los Angeles Antelope Valley, vicinity of Elizabeth Lake 1067 Comment
  SBBG131599  Chamaesyce S. A. Junak 1999-7-15 SCa 1038 Los Angeles N border of lower reservoir in Bulrush Cyn 304 Comment
  SBBG131638  Chamaesyce S. A. Junak 1999-9-10 SCa 1089 Los Angeles upper reservoir, Bulrush Cyn 316 Comment
  RSA596023  Chamaesyce albomarginata T. S. Ross, J. Mark Porter 1995-5-4 8436 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA590930  Chamaesyce albomarginata Orlando Mistretta 1994-4-12 1021 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1159 Comment
  SEINET5742466 Image available Chamaesyce albomarginata D. Ward 1970-1 61 Los Angeles City of Los Angeles, ca. .2 mile CSCLA on hillside near State College Dr..; Los Angeles 122 Comment
  UC303791  Chamaesyce melanadenia I. M. Johnston 1917-11-30 1801 Los Angeles mouth Live Oak Canyon; San Antonio Mtns 457 Comment
  RSA70534  Chamaesyce melanadenia F. W. Peirson 1919-1-25 310 Los Angeles Arroyo Seco, near Pasadena 381 Comment
  RSA625516  Chamaesyce serpens L. C. Wheeler 1945-4-17 6020 Los Angeles Garfield Ave. 1 1/2 blocks south of east 3rd. street Montebello. Comment
  RSA685780  Cheilanthes newberryi Richard C. Barkelew 1929-4-17 s.n. Los Angeles Santa Monica Mountains, Mulholland Highlands, Los Angeles. Comment
  RSA685794  Cheilanthes newberryi M. B. Dunkle 1939-4-4 s.n. Los Angeles San Clemente Island. Comment
  UCR277234  Chenopodium R. G. Swinney 2010-10-5 13974 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA423274  Chenopodium album F. R. Fosberg 1930-7-7 S 3159 Los Angeles Alamitos Bay 3 Comment
  SD128655  Chenopodium album H. A. Wahl 1949-5-15 2079 Los Angeles One mile and a half west of intersection of Mulholland Drive and Laurel Canyon Boulevard, on Mulholland Drive, Santa Monica Mts. Comment
  RSA423406  Chenopodium ambrosioides Freda Detmers 1930-1-18 s.n. Los Angeles In vacant lot, Verdugo Village Comment
  RSA0048210  Chenopodium ambrosioides L. E. Hoffman 1963-7-7 s.n. Los Angeles Malibu Lagoon. 0 Comment
  UCR125400  Chenopodium berlandieri A. C. Sanders, Mark Elvin 2002-6-20 25231 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
  UCR209124  Chenopodium berlandieri R. G. Swinney 2008-6-24 9086 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  RSA0030916  Chenopodium botrys Louis Cutter Wheeler 1931-9-1 45 Los Angeles 2 mi. N Claremont. 411 Comment
  RSA632000  Chenopodium californicum L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 991 Comment
  UCR193571  Chenopodium californicum R. G. Swinney 1999-4-5 7049 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
  RSA794751  Chenopodium fremontii Jane Tirrell, Graham Bothwell 2012-7-11 LS 0106 Los Angeles Dry Big Rock Creek drainage, north side California State Route 2 2369 Comment
  RSA674748  Chenopodium murale Scott D. White, B. Leatherman 2001-7-25 8723 Los Angeles San Gabriel Mts: Hawthorne Youth Camp. About 6 miles W of Wrightwood, just N of Big Pines Hwy, near Jackson Lake. 1860 Comment
  RSA594394  Chenopodium rubrum Steve Boyd, Lauren Raz 1996-10-14 9071 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  RSA611489  Chenopodium strictum var. glaucophyllum L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  CAS-BOT-BC184878  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert. Antelope Valley. Gorman Highway 5 miles west of Highway 14. 1005 Comment
  CAS-BOT-BC178910  Chorizanthe Timothy S. Ross; J. Mark Porter 1995-5-4 8504 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  RSA712909  Chorizanthe coriacea A. C. Sanders, Mark A. Elvin 2003-4-16 26052 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  RSA726192  Chorizanthe parryi Mark A. Elvin 2003-6-19 2948 Los Angeles Western Tansverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch 366 Comment
  SDSU21089  Chorizanthe spinosa Ian Cain 2010-5-9 1398 Los Angeles East south east of Llano. Just north of the corner of Highway 138 and 185th street east 1003 Comment
  CAS-BOT-BC244814  Chorizanthe staticoides Alice Eastwood 1928-6-15 15379 Los Angeles Claremont Comment
  RSA392664  Chorizanthe staticoides L. E. Hoffman 1929-6-10 s.n. Los Angeles Arroyo Seco, below Strawberry Peak. Comment
  RSA65076  Chorizanthe staticoides J. T. Howell 1931-5-29 9377 Los Angeles East summit of Santa Susana Pass. Comment
  RSA65266  Chorizanthe staticoides F. W. Peirson 1918-6-15 26 Los Angeles Lower part of Mint Canyon, n.w. base of San Gabriel Mts. 457 Comment
  CAS-BOT-BC32830  Chorizanthe staticoides var. staticoides J. T. Howell 1928-6-10 3876 Los Angeles San Gabriel Mts., Monrovia Canyon, near Deer Park Comment
  UCR139146  Chorizanthe watsonii L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mtns./Mojave Desert, [0.5 mi. SE of Valerymo] 1159 Comment
  UCR179730  Chrysothamnus nauseosus R. G. Swinney, Dave Larson 1996-7-17 5139 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  SEINET7988607  Chrysothamnus nauseosus Louis C. Wheeler 1970-10-20 No determinado Los Angeles Los Angeles City, NortW corner Figueroa and Pico Comment
  RSA0070649  Cirsium mohavense P. A. Munz 1929-5-19 11457 Los Angeles 3 miles south of Rosamond, W Mojave Desert. Comment
  CAS-BOT-BC285400  Cirsium occidentale var. californicum Lewis S. Rose 1946-7-24 46247 Los Angeles S. slope of Cahuenga Peak, Los Angeles Comment
  RSA482517  Cirsium occidentale var. californicum Richard Noyes, L. Arnseth 1988-4-30 501 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  UCR138996  Cirsium occidentale var. californicum L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns, Bluebird Truck Trail, near Big Dalton Canyon 732 Comment
  SBBG95402  Cirsium occidentale var. coulteri M. B. Dunkle 1928-5-13 1938 Los Angeles roadside near Wishbone Loop, Coach Rd Comment
  CAS-BOT-BC438746  Cistanthe monandra Ernest Braunton 1902-4-29 251 Los Angeles N. Pomona Comment
  RSA466593  Cistanthe monandra L. C. Wheeler 1932-5-4 683 Los Angeles San Gabriel Wash 107 Comment
  RSA584978  Cistanthe monandra Timothy S. Ross 1993-5-16 7152 Los Angeles San Gabriel Mountains: Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  RSA746412  Cistanthe monandra R. G. Swinney 2008-5-12 8825 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  CAS-BOT-BC172438  Clarkia bottae Tim Ross; Orlando Mistretta 1993-5-27 7328 Los Angeles W end of San Gabriel Mtns., ridge dropping westward from Loop Canyon road (at 3060 ft) toward Wilson Canyon 670 Comment
  RSA666628  Clarkia bottae A. C. Sanders, D. Malueg 1998-6-22 22055 Los Angeles Little Tujunga Canyon near mile post 12, 3.5 miles south of Bear divide and 1 km (air) W of Dillon Divide. 701 Comment
  UCR90285  Clarkia deflexa Scott D. White, Chet McGaugh 1995-6-6 3225 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  RSA729105  Clarkia dudleyana R. G. Swinney, D. W. Larson 1999-7-21 7566 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  UC1122390  Clarkia dudleyana A. L. Haines and A. H. Warne 1935-7-11 206 Los Angeles just above Flume; Pomona Quadrangle, Bell Canyon Comment
  POM8249  Clarkia epilobioides P. A. Munz, R. D. Harwood 1920-5-15 3933 Los Angeles [Coldwater] Canyon 305 Comment
  UC1211097  Clarkia epilobioides Huron H. Smith 1912-5-17 4966 Los Angeles Eaton's Canyon Mt. Wilson 426 Comment
  POM19162  Clarkia heterandra P. A. Munz 1923-6-9 6938 Los Angeles Oakgrove Canyon, Liebre Mts. Comment
  UCR149772  Clarkia purpurea Scott D. White, Pam Devries 2004-5-18 10436 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  CAS-BOT-BC163722  Clarkia purpurea subsp. quadrivulnera Ernest Braunton 1902-4-29 s.n. Los Angeles N. Pomona Comment
  LA45559  Clarkia purpurea subsp. quadrivulnera H. L. Francis; 1943-6-16 sn Los Angeles Elysium Park Comment
  RSA37799  Clarkia purpurea subsp. quadrivulnera H. E. Hasse 1890-06 s.n. Los Angeles Foothills, Sierra Santa Monica [Santa Monica Mountains]. Comment
  RSA448283  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-5-5 s.n. Los Angeles Arroyo Seco near Pasadena 366 Comment
  UC1871032  Clarkia purpurea subsp. quadrivulnera T. S. Ross, W. Appleby 1993-5-19 7168 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 SE/4 sect 9; ca 3120 ft elevation. 951 Comment
  UC58867  Clarkia purpurea subsp. quadrivulnera H. P. Chandler 1897-5-24 Los Angeles Claremont Comment
  RSA779205  Clarkia rhomboidea R. G. Swinney 2009-6-3 11061 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA775863  Claytonia exigua subsp. exigua Orlando Mistretta, Christine Mistretta 2010-5-26 5197 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor 1463 Comment
  RSA750110  Claytonia parviflora R. G. Swinney 2008-5-5 8772 Los Angeles Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR263059  Claytonia parviflora Mitch Provance 2008-4-14 408- 08 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  CAS-BOT-BC439505  Claytonia parviflora subsp. parviflora Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Unspecified Comment
  RSA517153  Claytonia parviflora subsp. parviflora Timothy S. Ross, Steve Boyd 1990-5-14 2475 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1061 Comment
  UC50355  Claytonia perfoliata subsp. mexicana H. M. Hall Apr 1903 3745 Los Angeles Arroyo Seco Comment
  UCD100788  Claytonia perfoliata subsp. mexicana Kenneth A. Wilson 1961-2-18 847 Los Angeles Santa Monica Mtns., Calabasas. Mulholland Hwy. Comment
  RSA466702B  Claytonia perfoliata subsp. mexicana Ella M. Kennedy 1923-2-18 s.n. Los Angeles San Gabriel Canyon Comment
  RSA792835  Clematis lasiantha Justin M. Wood 2009-3-24 382 Los Angeles City of Claremont: Bernard Field Station, NW corner of Mills Ave. and Foothill Blvd. Northernmost portion of the station, east of RSABG. 410 Comment
  RSA584958  Clematis ligusticifolia Tim S. Ross, S. D. Boyd 1990-6-1 2773 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  CAS-BOT-BC423198  Cleomella parviflora L. R. Abrams 1927-4-30 11750 Los Angeles West of Lancaster Comment
  SBBG94267  Clinopodium douglasii F. R. Fosberg 1931-4-28 4702 Los Angeles Eagles Nest, Middle Ranch Cyn 180 Comment
  UC40887  Coffea arabica J. Burtt Davy Octo. 1896 Los Angeles Grown in the open, Hollywood near Los Angeles Comment
  RSA0042748  Coldenia nuttallii Bonnie C. Templeton 1971-5-16 11613 Los Angeles About 7 miles northeast of Palmdale. 815 Comment
  UC447150  Collinsia heterophylla J. Ewan 1931-5-30 4251 Los Angeles 1/2 mi below Sturtevant Camp (San Gabriel Mountains); San Gabriel Mountains Comment
  RSA0117338  Collinsia parryi Anstruther Davidson 1890-05 s.n. Los Angeles Arroyo, Pasadena. Comment
  RSA0117315  Collinsia parviflora Steve D. Boyd, Lauren Raz 1997-5-1 9674 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
  UC26665  Collinsia torreyi var. wrightii H. M. Hall 1900-6-6 1500 Los Angeles Swarthout Canyon San Antonio Mts. 2072 Comment
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Nov 28 2015
  SEINET10317250 Image available Collinsia wrightii Wesley O. Griesel 1962-5-28 Los Angeles Big Pines, San Gabriel Mountains 1829 Comment
  UCR179620  Colutea arborescens R. G. Swinney 1991-1 1597 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Debris Basin 335 Comment
  UC455778  Constancea nevinii I. J. Condit 1908-6-29 Los Angeles Catalina Island Comment
  RSA640957  Convolvulus arvensis L. C. Wheeler 1931-7-22 s.n. Los Angeles La Verne: Wheeler's residence. Comment
  SFV21878  Convolvulus arvensis L. L. Zung 2011-5-17 5 Los Angeles Mojave Desert Vacant lot in Little Rock. 860 Comment
  RSA0084751  Cordylanthus rigidus A. C. Sanders, Mark A. Elvin, Dave Fleitner 2003-8-6 27125 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters. 320 Comment
  UCR192041  Coreopsis bigelovii A. C. Sanders 2008-4-17 34951 Los Angeles Transverse Range, foot of hill c. 1 mile SW of Neenach School, c. 1.5 mi. west of mouth of Pine Canyon 945 Comment
  CAS-BOT-BC287090  Coreopsis douglasii Marcus E. Jones 1882-5-2 3361 Los Angeles Pasadena Comment
  CAS-BOT-BC105697  Corethrogyne filaginifolia Moxley 1920-8-28 812 Los Angeles Garpito Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC105700  Corethrogyne filaginifolia F. Grinnell Jr. 1917-8-28 s.n. Los Angeles Pine Flats, San Gabriel Mountains 1615 Comment
  HSC5416  Corethrogyne filaginifolia W. H. Kinch 1954-9-30 20 Los Angeles San Antonio Canyon 2 mi. N of ranger station 610 Comment
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Dec 23 2013
  JEPS26087  Corethrogyne filaginifolia Henry J. Thompson 1958-10-10 1808 Los Angeles 0.5 mi e Saddle Peak; Santa Monica Mountains, Saddle Peak 701 Comment
  POM356117  Corethrogyne filaginifolia L. E. Hoffman 1933-7-17 s.n. Los Angeles Hermosa Beach Comment
  CAS-BOT-BC212111  Cornus sericea Le Roy Abrams; E. A. McGregor 1908-7-5 653 Los Angeles Swawrtout Canyon, desert slopes of San Gabriel Mountains 1828 Comment
  CLARK-A1528-2437  Coronopus didymus John C. Roos 1957-5-20 6611 Los Angeles Los Angeles Comment
  SFV17858  Cortaderia selloana J. N. Hogue 1998-11-19 130 .4 Los Angeles San Gabriel Mountains Mouth of San Gabriel Canyon on Highway 39. On steep (cliff) hillside on east side of road next to flowing seep. 244 Comment
  RSA801741  Cotula australis Simonsen's Nursery 1953-1-24 s.n. Los Angeles Bellflower. Comment
  CAS-BOT-BC287267  Cotula australis J. H. Thomas 1956-4-4 5601 A Los Angeles Campus of Occidental College. Growing on bank behind Fowler Hall Comment
  LA94420  Cotula australis 1940-2-24 1082 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  CATA3125  Cotula coronopifolia Amy Catalano 2016-5-25 130 Los Angeles Santa Catalina Island: Main riparian area to east of south end of Big Springs Road 66 Comment
  SBBG37893  Crassula connata M. B. Dunkle 1939-4-6 7323 Los Angeles Mosquito Ridge Comment
  RSA155909  Cressa truxillensis var. vallicola P. H. Raven 1962-5-22 17838 Los Angeles Santa Catalina Island, slope E of Little Harbor 46 Comment
  CHSC34592  Crossosoma californicum James Henrickson 1979-1-10 17810 Los Angeles Palos Verdes Peninsula in Palos Verdes Estates, NE of school on Forestal Drive, at N-facing slope at mouth of steep bluff area. 152 Comment
  RSA233624  Crossosoma californicum R. F. Thorne 1970-3-5 39366 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  SBBG95425  Crossosoma californicum M. B. Dunkle 1932-1-24 2862 Los Angeles Avalon 91 Comment
  UC11996  Crossosoma californicum Blanche Trask 1896-1 Los Angeles Avalon Santa Catalina Island Comment
  UC303794  Croton californicus S. B. Parish 1918-6-5 11875 Los Angeles Playa del Rey Comment
  UCD141990  Croton californicus Louis C. Wheeler 1965-12-4 s.n. Los Angeles San Gabriel Mountains; Arroyo Seco, in vicinity of Pine Canyon. Comment
  UCR106297  Croton californicus B. G. Pitzer 1996-5-5 2848 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
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May 21 2013
  SEINET12143264  Croton californicus C. G. Pringle 1882-1 s.n. Los Angeles Wilmington Comment
  CATA1808  Croton setiger Benjamin E. Carter 2012-8-23 6992 Los Angeles Santa Catalina Island: Airport Road, ca. 1/2mi north of Middle Ranch Road 395 Comment
  CDA35296  Croton setiger Phillipson 1915-6-8 Los Angeles Monrovia. Comment
  UCD142189  Croton setiger Ted H. Thorsted Jr. 1970-8-20 s.n. Los Angeles California State College at Los Angeles. 121 Comment
  RSA608830  Crypsis schoenoides L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Soledad Canyon, Santa Clara River. 530 Comment
  CATA1340  Crypsis vaginiflora Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2443 Los Angeles Santa Catalina Island: Haypress Reservoir 420 Comment
  UCR220267  Cryptantha barbigera R. G. Swinney 2009-4-24 10498 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA250599  Cryptantha barbigera R. F. Thorne, J. P. Simon, D. J. McGillivray 1970-4-17 39583 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1432 Comment
  RSA585934  Cryptantha circumscissa T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2943 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
  UC61499  Cryptantha circumscissa J. Burtt Davy May 9 1896-May 24 1896 2522 Los Angeles Manzana Antelope Valley Comment
  SBBG63663  Cryptantha corollata R. Hoffmann 1930-6-6 Los Angeles Alamo Crk 792 Comment
  RSA729463  Cryptantha echinella R. G. Swinney 1998-7-8 6335 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  SBBG20570  Cryptantha intermedia E. R. Blakley 1963-12-7 6339 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 53 Comment
  SD85025  Cryptantha intermedia E. R. Blakley 1963-12-7 6339 Los Angeles San Clemente Island:Shallow canyon sloping to ocean, 200 feet north of Lighthouse, north of Pyramid Head. 53 Comment
  SBBG98530  Cryptantha intermedia T. Ross 1991-5-21 5432 Los Angeles upper Box Cyn above area where cyn bottom is 1175 ft 396 Comment
  SEINET12280825  Cryptantha intermedia J. F. Bright, Wyman, C. 1931-1 5502 Los Angeles foothills of Mt. Wilson Comment
  UCR264738  Cryptantha micrantha var. micrantha Steve Boyd, Gary D. Wallace 2011-4-14 12315 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  UCR95593  Cryptantha microstachys Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8552 Los Angeles Liebre Mtns., upper Osito Canyon between Interstate 5 and Old Ridge Route 854 Comment
  UC1063866  Cryptantha muricata Jerome S. Horton 1937-6-10 457 Los Angeles divide between East Fork San Diams Canyon and San Gabriel Canyon; Cucamonga Quad. 1325 Comment
  UCR157424  Cryptantha muricata L. F. LaPre, T. W. Mulroy 1986-4-7 s.n. Los Angeles San Gabriel Valley, City of Irwindale, near junction of Foothill Blvd & Irwindale Ave., between gravel pit and the San Gabriel River channel 168 Comment
  SD12595  Cryptantha muricata Edith A. Purer 1935-5-11 6589 Los Angeles Santa Monica Mountains Comment
  SEINET8555263  Cryptantha muricata var. muricata I. W. Clokey, B. C. Templeton 1935-5-18 5667 Los Angeles San Gabriel Canyon, one mile above dam. Comment
  RSA729476  Cryptantha nevadensis var. rigida R. G. Swinney 1999-6-21 7384 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine; riparian zone in pinyon-juniper woodland and Joshua tree woodland. With Salix, Rosa woodsii, etc. 1634 Comment
  UCR259198  Cryptantha nevadensis var. rigida Mitch Provance, Callen Huff 2009-4-29 10699 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  SBBG12469  Cryptantha oxygona E. R. Blakley 1958-5-9 2258 Los Angeles hills 2 mi E of Gorman 1097 Comment
  RSA0079294  Cryptantha pterocarya var. pterocarya R. F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41588 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  UCR280538  Cryptantha pterocarya var. purpusii R. G. Swinney 2014-4-10 16032 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  UCR192836  Cryptantha simulans R. G. Swinney 1998-7-6 6282 Los Angeles San Gabriel Mtns., Mescal Canyon, 0.8 mile north of junction of Hwy 2 and Mescal Canyon Rd. 1732 Comment
  UCR45030  Cucurbita foetidissima A. C. Sanders 1986-7-30 6805 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
  RSA719132  Cuscuta Naomi Fraga 2001-4-20 16 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  POM3645  Cuscuta californica L. R. Abrams 1902-7-5 2654 Los Angeles Azusa. Comment
  SBBG58149  Cuscuta californica R. Hoffmann 1927-9-30 Los Angeles E of Palmdale Comment
  UCR206513  Cuscuta pentagona A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36955 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  LA200381  Cuscuta salina var. major Jonathan Sauer; R. O. Baker 1973-5-18 5483 Los Angeles Santa Monica Mountains, Mugu Lagoon, eastern part of marsh Comment
  RSA550436  Cuscuta subinclusa T. S. Ross 1992-7-10 6647 Los Angeles Big Tujunga Canyon, between Coldwater and Wickiup Canyons; northeasterly slope on S side of creek 970 Comment
  UCR205656  Cuscuta subinclusa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36928 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  UCR192659  Cycladenia humilis R. G. Swinney 1999-8-9 7614 Los Angeles San Gabriel Mtns., along Bear Canyon Trail c. 1 mi south of West Baldy peak of Mt. San Antonio 2756 Comment
  SD39905  Cynodon dactylon E. A. Purer 1931-5-19 1508 Los Angeles El Segundo Comment
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Jul 10 2010
  SBBG128261  Cyperus eragrostis M. L. Hoefs, S. A. Junak 1996-7-9 2737 Los Angeles lower Cape Cyn Reservoir, Cape Cyn 237 Comment
  RSA365079  Cyperus erythrorhizos D. L. Crawford 1916-6-26 s.n. Los Angeles Laguna Canyon, [Orange Co?] Comment
  UC837687  Cyperus esculentus Louis C. Wheeler 1932-8-9 1127 Los Angeles 2 mi. s.w. Azusa 106 Comment
  UCD169670  Cyperus esculentus Louis C. Wheeler 1967-9-18 s.n. Los Angeles South side Los Feliz Blvd. at Los Angeles River. 116 Comment
  UCR126551  Cyperus esculentus Mark A. Elvin, Kim Marsden 2003-8-8 2977 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  UC2026508  Cyperus involucratus Louis C. Wheeler 1946-11-10 6442 a Los Angeles ROSEMEAD: Rio Hondo at Garvey Avenue. Comment
  CAS-BOT-BC113960  Cyperus odoratus Joseph Cook (Rev.) Nevin 1904-11-1 s.n. Los Angeles Wilson's (?) Lake Comment
  RSA703839  Cyperus odoratus A. C. Sanders, Mark A. Elvin 2002-6-20 25233 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
  POM264738  Cystopteris fragilis L. C. Wheeler 1932-5-28 775 Los Angeles San Gabriel Mtns.: Cascade Canyon off San Antonio Canyon. 1112 Comment
  SFV21410  Datisca glomerata L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1045 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon above the large waterfall where the canyon forks off, near above coordinates. Smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  SBBG84102  Datura wrightii M. N. Ackley -Sep-1929 1276 Los Angeles Eagle Rock 182 Comment
  UCR277135  Datura wrightii R. G. Swinney 2010-6-8 13224 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  UCD126642  Datura wrightii Kenneth A. Wilson 1961-4-26 1161 Los Angeles Soledad Canyon, small burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. Comment
  CATA952  Daucus pusillus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1817 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  RSA535294  Daucus pusillus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5341 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  UCR220229  Daucus pusillus R. G. Swinney 2009-4-7 10294 A Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA470774  Daucus pusillus A. M. Johnson 1933-5-20 4305 Los Angeles San Gabriel Mountains, Fish Canyon Wash, open flat, west of bridge, Foothill Boulevard. Comment
  JEPS15509  Deinandra fasciculata Peter H. Raven, H. J. Thompson, and S. R. Snow 1956-6-22 9448 Los Angeles below Mulholland Drive (above Sepulveda Boulevard); Santa Monica Mountains Comment
  SEINET12092462  Delphinium decorum I. W. Clokey, Anderson, E. G. 1935-1 6621 Los Angeles San Dimas Canyon Comment
  UCR127051  Delphinium parryi 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
  LA52173  Delphinium parryi subsp. parryi Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG128369  Delphinium parryi subsp. parryi M. L. Hoefs, A. D. Propst 1973-5-4 222 Los Angeles middle of Middle Ranch Cyn 243 Comment
  RSA0029535  Delphinium parryi subsp. purpureum Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Angeles Nat'l Forest; On the road between Liebre and Sawmill Mountains 1463 Comment
  POM147  Delphinium patens subsp. hepaticoideum L. T. Street 1918-5-19 s.n. Los Angeles Mt. Wilson - trail. Comment
  RSA400036  Delphinium patens subsp. hepaticoideum Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  CAS-BOT-BC82823  Dendromecon harfordii Carl B. Wolf 1932-10-5 4228 Los Angeles Santa Catalina Island, Black Jack Mine on slopes of Black Jack Peak. 426 Comment
  UC1302264  Dendromecon harfordii Robert F. Thorne and P. C. Everett 1964-2-6 33435 Los Angeles central part Santa Catalina Island (roadbank above airport road) 457 Comment
  RSA613264  Descurainia obtusa subsp. adenophora L. C. Wheeler 1932-8-2 1110 Los Angeles Crystal Lake, N fork San Gabriel River 1677 Comment
  UCR209493  Descurainia pinnata R. G. Swinney 2008-6-17 9045 Los Angeles San Gabriel Mountains, Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1952 Comment
  POM369384  Descurainia pinnata subsp. glabra Ora M. Clark 1929-3-30 s.n. Los Angeles E of Lancaster. Comment
  POM369413  Descurainia pinnata subsp. menziesii Thekla Mohr 1899-03 s.n. Los Angeles San Gabriel. Comment
  CAS-BOT-BC43488  Descurainia sophia Ernest C. Twisselmann 1962-4-10 6857 Los Angeles Mojave Desert. Antelope Valley. Avenue A, 2.8 miles west of Highway 6. 670 Comment
  CAS-BOT-BC209179  Dichanthelium acuminatum subsp. acuminatum Robert F. Thorne; M. Z. Thorne 1967-7-19 37129 Los Angeles Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River, San Gabriel Mts., Angeles National Forest 1249 Comment
  CATA1098  Dichelostemma capitatum Mark L. Hoefs 1995-5-23 2052 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  UC1133894  Dichelostemma capitatum A. D. Gifford 1935-3-6 445 Los Angeles 2.5 mi sw Red Mtn.; Angeles National Forest, Tejon Quad. 487 Comment
  UCR190345  Dichelostemma capitatum R. G. Swinney 2001-4-18 7897 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  UCSB17662  Dichelostemma capitatum Hurst, Linda 1963-5-3 Los Angeles Mint Canyon Campground on U.S. hwy 6, 7.7 miles north of Solemint 503 Comment
  RSA670385  Dichelostemma capitatum subsp. capitatum B. C. Templeton, I. W. Clokey 1930-4-8 1056 Los Angeles San Francisquito Canyon, San Gabriel Mts. 915 Comment
  SD112030  Dichelostemma capitatum subsp. capitatum Linda Allen, Betsy Carpenter 1975-3-20 Los Angeles Santa Catalina Island. In mid-Avalon Canyon, Hour Trail. Comment
  RSA590534  Dichelostemma capitatum subsp. capitatum Orlando Mistretta 1994-3-30 962 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of creek below Little Rock Dam. 991 Comment
  RSA652079  Dichelostemma capitatum subsp. capitatum Anonymous 1948-2-20 s.n. Los Angeles San Dimas: located Bass Cliff Farm. Comment
  SEINET10533945  Dichelostemma pulchellum Reid Moran 1941-3-11 Moran 699 Los Angeles In cactus and brush, ridge north of Middle Ranch, Santa Catalina Isalnd, Calif. 250 Comment
  RSA365101  Digitaria sanguinalis Gary D. Wallace 1979-5-2 1836 Los Angeles Vacant lot, corner of Baldwin Ave. and Foothill Blvd., Arcadia. Comment
  UCR142809  Digitaria sanguinalis L. C. Wheeler 1932-9-5 1339 Los Angeles San Gabriel Mtns, San Antonio Canyon 1067 Comment
  UCR261324  Dimorphotheca sinuata R. G. Swinney 2010-3-13 11886 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  CAS-BOT-BC153186  Diplacus johnstonii I. M. Johnston 1917-6-20 1486 Los Angeles Baldy Lookout of U.S.F.S. 2133 Comment
  SBBG31315  Diplacus puniceus R. F. Thorne with P. C. Everett 1965-5-10 34443 Los Angeles S slope of Black Jack Mtn, a few hundred ft below summit 487 Comment
  CATA1241  Distichlis spicata Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2319 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  POM3603  Dodecatheon clevelandii subsp. clevelandii I. M. Johnston 1917-1-28 Cf. 13783 Los Angeles Mouth of San Antonio Canyon Comment
  UC465843  Drosanthemum floribundum R. L. Pendleton 1909-7-2 1352 Los Angeles Road e of Avalon (Santa Catalina Island); Santa Catalina Island 6 Comment
  CAS-BOT-BC157701  Drymocallis glandulosa var. glandulosa John Thomas Howell 1928-5-4 3773 Los Angeles Near Deer Park, Monrovia [Canon] Canyon, San Gabriel Mts. Comment
  RSA723078  Dryopteris arguta LeRoy Gross, Naomi Fraga 2006-1-20 s.n. Los Angeles East end of the Verdugo's. North side of the main crest. A small draw south of Deer Creek that drains into Deer Creek, off of Beaudry Road. Southwest of Debris Basin. 412 Comment
  SBBG15506  Dryopteris arguta J. S. H. 1934-5-25 33 Los Angeles San Dimas Exp Forest; dam no 2; S1, T 1N, R 9W 762 Comment
  UCR194293  Dudleya cymosa R. G. Swinney, Dave Larson 1999-6-25 7403 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
  LA105029  Dudleya cymosa subsp. marcescens Peter H. Raven; David Verity 1960-5-7 15343 Los Angeles Santa Monica Mountains, ca 1 mi. SW of Seminole Hot Springs 335 Comment
  RSA730284  Dudleya cymosa subsp. pumila R. G. Swinney 1998-8-1 6626 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  UC1929332  Dudleya cymosa subsp. pumila Valerie Soza, Sarah J. De Groot 2003-6-18 1689 Los Angeles Transverse Ranges; San Gabriel Mountains region; Upper Cooper Canyon, along Forest Service Road 2000.5, northeast of Cloudburst Summit, approximatly 0.6 miles above Cooper Canyon trail Camp on east slopes of Winston Peak. 1982 Comment
  LA200384  Dudleya lanceolata Jonathan Sauer; H. N. Sauer, J. Zadny, M. Zadny 1971-6-6 4928 Los Angeles SANTA MONICA MOUNTAINS, upper Rustic Canyon Comment
  RSA0021511  Dudleya lanceolata Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5159 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA247427  Dudleya lanceolata Jack Delaini, Barbara Shervanick 1974-5-23 220 Los Angeles Lodi Canyon, San Dimas Experimental Forest 441 Comment
  SD82939  Dudleya multicaulis C. W. Tilforth 1971-5-30 381 Los Angeles Johnson's Pastures; hills north of Claraboya, Claremont. Comment
  UC2045314  Dudleya virens Reid Moran 1972-5-27 19143 Los Angeles Just east of Point Vicente. Comment
  RSA83353  Dudleya virens F. W. Peirson 1923-4-9 3487 Los Angeles San Clemente Island: at Middle Ranch Comment
  CAS-BOT-BC109728  Dudleya virens subsp. insularis Reid Moran 1941-5-27 874 Los Angeles Ocean bluff 0.25 mile east of Point Vincente. 20 Comment
  CAS-BOT-BC109757  Dudleya virens subsp. insularis Reid Moran 1941-5-27 872 Los Angeles Catalina Island. South of the school, Avalon. Comment
  SEINET3929120  Ehrharta calycina Valerie Soza, Leroy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains. San Dimas Experimental Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway.; 0 869 Comment
  CAS-BOT-BC113672  Eleocharis coloradoensis Peter H. Raven 1961-9-24 16749 Los Angeles Strand of Boquet Reservoir at E end. 914 Comment
  SBBG108967  Eleocharis macrostachya S. A. Junak 1997-4-8 SCl 796 Los Angeles main branch of Wall Rock Cyn, just downstream from upper fork 213 Comment
  RSA365360  Eleocharis montevidensis Grethe Markedahl 1923-4-23 s.n. Los Angeles San Gabriel River. Comment
  RSA712179  Eleocharis palustris A. C. Sanders 2005-5-5 29938 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, SW end of Cruzan Mesa at site of former dairy, east of Bench Mark Plum 655 Comment
  CAS-BOT-BC451521  Elodea canadensis Louis C. Wheeler 1933-12-13 2325 Los Angeles San Dimas Canyon Dam, San Gabriel Mts. 411 Comment
  UCR273412  Elymus X hansenii R. G. Swinney 2011-6-22 15251 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
  UCR94710  Elymus cinereus A. C. Sanders, E. J. Lott 1993-5-6 13967 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  UCR178793  Elymus elongatus R. G. Swinney 1989-7-12 s.n. Los Angeles San Gabriel Mtns, Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats', 1.5 miles NE of Glendora Mtn. Road 457 Comment
  CAS-BOT-BC207176  Elymus elymoides subsp. elymoides Timothy S. Ross; Steve Boyd 1995-6-29 8660 Los Angeles Near west summit of Liebre Mountain. 1706 Comment
  RSA3544  Elymus glaucus C. B. Wolf 1932-5-9 3488 Los Angeles At 2nd group of mine workings in left (east) fork of Pebbly Beach Canyon, Santa Catalina Island. 244 Comment
  UCR143223  Elymus glaucus F. R. Fosberg 1931-7-12 S- 4853 Los Angeles Channel Islands, Santa Catalina Island, Hay Press 427 Comment
  RSA611078  Elymus glaucus subsp. glaucus L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: Fish Fork. 1098 Comment
  UC174009  Elymus glaucus subsp. jepsonii G. B. Grant 1902-6-10 5109 Los Angeles Mt. Wilson; summit Comment
  UC821463  Elymus multisetus Geo. B. Grant May, 1901 1212 Los Angeles Pasadena Comment
  RSA729204  Elymus trachycaulus R. G. Swinney 1998-9-7 6930 Los Angeles Dawson Peak ridge, Dawson Peak Ridge Trail. West-facing slope; montane coniferous forest with Pinus contorta. 2756 Comment
  POM3679  Emmenanthe penduliflora P. A. Munz 1918-5-26 2275 Los Angeles Claremont. Near mouth of Live Oak Canyon. Comment
  RSA599674  Emmenanthe penduliflora Steve Boyd, Lauren Raz 1997-5-6 9693 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
  SEINET12330749  Emmenanthe penduliflora H. W. Graham 1927-1 9- 9 -5 Los Angeles Mt. Lowe to observatory on Mt. Wilson near Los Angeles Comment
  RSA590823  Encelia actoni Orlando Mistretta 1992-5-8 275 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  UCR223074  Encelia actoni R. G. Swinney 2009-5-13 10785 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  SDSU3832  Encelia californica R. M. Beauchamp 1967-1-29 151 Los Angeles Canyon west and below Marine Outpost above Pyramid Cove, San Clemente Island. Comment
  UCR258822  Encelia californica R. G. Swinney 2010-3-16 11923 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
  SEINET6051968  Encelia farinosa Louis C. Wheeler 1973-5-16 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC81810  Ephedra nevadensis Timothy S. Ross 1991-4-27 4635 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 1203 Comment
  RSA0046869  Ephedra nevadensis Robert F. Thorne, J. P. Simon, J. Dourley, H. Cayfield 1970-5-1 39540 Los Angeles Along road to Valyermo, ca. 1 mi. E of Pallett Ranch N of Pinyon Ridge. At foot of grade in Shoemaker Canyon. 1402 Comment
  UCR189703  Epilobium R. G. Swinney 1998-7-24 6574 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  CAS-BOT-BC166210  Epilobium canum subsp. canum Louis C. Wheeler 1931-9-26 160 Los Angeles 2 mi. N Claremont 411 Comment
  UC1122330  Epilobium canum subsp. canum Jerome S. Horton 1938-10-12 515 Los Angeles Tanbark Flats Pomona Quadrangle Comment
  CAS-BOT-BC166193  Epilobium canum subsp. canum R. J. Dobbs 1927-8-13 s.n. Los Angeles Arroyo - 1/2 mile above Coulter Ranger Station Comment
  RSA762337  Epilobium ciliatum R. G. Swinney 2008-10-22 9664 Los Angeles Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  UCR126716  Epilobium ciliatum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27147 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  RSA652778  Epilobium ciliatum subsp. ciliatum Monica Acosta 1998-5-25 37 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  RSA720179  Epilobium ciliatum subsp. ciliatum LeRoy Gross 2007-3-13 2611 Los Angeles Southern side of range: Wildwood Canyon. 499 Comment
  UC56057  Epilobium ciliatum subsp. ciliatum J. H. Barber 1898-8-3 Los Angeles Topango Comment
  UCR113664  Epilobium ciliatum subsp. ciliatum L. C. Wheeler 1968-6-14 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Spring on north side of Blue Ridge by Guffy Camp Comment
  UC1922359  Epilobium densiflorum Scott D. White, A. Warniment 2006-7-7 11619 Los Angeles SE TEHACHAPI MTNS.: Gorman area, Gorman Creek NE of the I-5 Freeway. Comment
  RSA600430  Epilobium paniculatum Louis C. Wheeler 1932-8-28 1306 Los Angeles San Jose Hills: 1/4 mile N of Puddingstone Dam. 274 Comment
  RSA792096  Epipactis gigantea Jane Tirrell, Shirley Imsand, Walter Fidler 2012-7-6 LS 0096 Los Angeles South side California State Route 2 near mile marker 67.7 2311 Comment
  RSA381698  Epipactis gigantea Geo L. Moxley 1915-5-30 235 Los Angeles Scholl's Canyon, San Rafael Hills Comment
  RSA702176  Equisetum arvense Scott D. White 2004-8-20 10731 Los Angeles Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  SBBG56341  Equisetum hyemale J. A. Ewan 1929-9-21 2295 Los Angeles upper Millard Cyn 1188 Comment
  SD19318  Equisetum hyemale subsp. affine F. Youngberg Apr 1934 Los Angeles San Dimas CaA'on Comment
  RSA84282B  Equisetum hyemale var. affine F. W. Peirson 1920-4-25 8450 B Los Angeles Arroyo Seco, Pasadena 411 Comment
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Jan 4 2014
  POM264915  Equisetum hyemale var. affine L. C. Wheeler 1933-10-14 2172 Los Angeles Shady creek bank. San Dimas Canyon, San Gabriel Mts. 534 Comment
  RSA684641  Equisetum laevigatum B. C. Templeton 1934-10-13 4796 Los Angeles Los Angeles River Comment
  LA94037  Equisetum telmateia subsp. braunii Lawrence L. Kiefer; 1966-4-10 1860 Los Angeles SANTA MONICA MOUNTAINS, Nichols Canyon, ca 1.5 mi N of Hollywood Blvd on Nichols Canyon Rd. 182 Comment
  RSA794889  Eragrostis cilianensis Justin M. Wood, Brandy Wood 2010-10-16 2941 Los Angeles City of Pomona: California State Polytechnic University, Pomona. Just southwest of intersection of Temple and Campus, just north of the Farm Store. 213 Comment
  UCR125248  Eragrostis mexicana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25534 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, "Potrero Mesa,' north of the mouth of Potrero Canyon, above the Santa Clara River 366 Comment
  RSA0030712  Eremalche exilis Pam De Vries 2014-3-25 7870 Los Angeles Mojave Desert (West); Near the town of Antelope Acres in an open field on the west side of 90th St, one mile south of Hwy 138. 735 Comment
  UC634848  Eremalche exilis H. L. Mason 1932-4-1 6870 Los Angeles 1 mi. e. Lancaster Comment
  POM199705  Eremocarpus setiger I. W. Clokey 1929-08 4599 Los Angeles Westwood. Mandeville Canyon, Santa Monica Mts. 200 Comment
  UC153537  Eremocarpus setiger LeRoy Abrams 1902-8-20 2966 Los Angeles near Inglewood Comment
  RSA0106905  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2008-10-8 9525 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  RSA0107959  Eriastrum densifolium subsp. elongatum Scott D. White 1997-5-14 5129 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  RSA0107781  Eriastrum densifolium subsp. mohavense Thomas T. Craig 1933-10-9 2029 Los Angeles 3 mi. N of Vincent, edge of San Gabriel Mountains. 1220 Comment
  SBBG52016  Eriastrum filifolium R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -274 Los Angeles S side of White's Landing Comment
  RSA0121162  Eriastrum pluriflorum subsp. sherman-hoytiae F. W. Peirson 1933-5-13 s.n. Los Angeles About 10 miles south of Munroc, Western Mojave Desert. Comment
  UC52785  Eriastrum sapphirinum Geo. B. Grant May 1901 3883 Los Angeles Pasadena Comment
  CAS-BOT-BC514983  Eriastrum sapphirinum subsp. dasyanthum C. B. Wolf 1931-7-2 2262 Los Angeles Little Tujunga Wash, 0.5 mi above the bridge on the road from Sunland to San Fernando 335 Comment
  UCR177465  Ericameria cooperi LeRoy Gross 2005-5-3 2230 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  CDA4614  Ericameria linearifolia G. C. Fleischman 1952-4-26 Los Angeles Mint Canyon Highway. 0 Comment
  RSA0098639  Ericameria linearifolia R. G. Swinney 2010-5-11 12687 Los Angeles San Gabriel Mountains: east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  SD72261  Ericameria linearifolia Jeannette L. Huber 1969-5-25 975 Los Angeles Chilao, 1 mile north of Chilao Fire Station. 1525 Comment
  UCR277141  Ericameria linearifolia R. G. Swinney 2011-6-15 15211 Los Angeles San Gabriel Mountains, Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy 1631 Comment
  SEINET10615749 Image available Ericameria monactis Adolph D. E. Elmer Elmer 3668 Los Angeles Comment
  CAS-BOT-BC298892  Ericameria nauseosa var. bernardina Charles F. Richter 1920-9-1 s.n. Los Angeles Big Pine Flat above Cold Brook, San Gabriel Mts Comment
  CAS-BOT-BC298186  Ericameria nauseosa var. oreophila I. M. Johnston 1917-8-21 1706 Los Angeles Upper San Antonio Canon 2286 Comment
  CAS-BOT-BC299522  Ericameria palmeri var. pachylepis Edith A. Purer 1933-10-7 5583 Los Angeles Los Angeles flood plain, east of El Segundo Comment
  CAS-BOT-BC131657  Ericameria parishii var. parishii Geo. L. Moxley 1914-9-7 275 a Los Angeles Trail to Switzer's camp, ridge above [Arroya] Arroyo Seco Comment
  JEPS19137  Ericameria parishii var. parishii Frank W. Peirson 1918-9-7 225 Los Angeles above Hennigers Toll Road; San Gabriel Mts. Comment
  OBI5702  Ericameria parishii var. parishii Carl B. Wolf 1931-8-5 2299 Los Angeles Just below the Padua Hills Theatre; above Claremont, San Gabriel Mts 457 Comment
  CAS-BOT-BC293125  Ericameria pinifolia David D. Keck 1932-10-14 1949 Los Angeles Tujunga Wash, 4 miles east of Van Nuys, on Van Owen Street Comment
  RSA652509  Ericameria pinifolia Jim Reutzel 1994-5-29 400 Los Angeles Los Angeles [Pomona], hills behind Cal Poly Pomona University, near the University house, up behind the water tower. Comment
  UC1118813  Ericameria pinifolia A. Lewis 1933-5-1 3074 Los Angeles Spunky Canyon Angeles National Forest, Elizabeth Quad., Spunky Canyon 914 Comment
  UCR272531  Ericameria pinifolia R. G. Swinney 2011-9-22 15688 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge 1009 Comment
  UC1465225  Ericameria pinifolia Miss E. D. Palmer Los Angeles Comment
  RSA0081638  Erigeron canadensis R. G. Swinney 2010-9-9 13735 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
  SBBG131986  Erigeron canadensis S. A. Junak, R. Philbrick 1990-11-8 SCI 132 Los Angeles Wilson Cove Comment
  SFV6859  Erigeron foliosus T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 575 Los Angeles San Gabriel Mountains Trail to Mount Baden-Powell. 2043 Comment
  UCR259088  Erigeron foliosus R. G. Swinney 2010-9-9 13752 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
  RSA785589  Eriodictyon crassifolium Doris Bowers 1957-5-12 905 Los Angeles Arroyo Seco, Pasadena. 457 Comment
  CAS-BOT-BC189116  Eriodictyon crassifolium var. crassifolium Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  HSC24501  Eriodictyon crassifolium var. crassifolium Arthur C. Gibson, Linda Gibson 1972-3-11 2788 Los Angeles Edges of Big Tujunga Wash below juvenile detention camp Comment
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Oct 21 2014
  UCR270521  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA658405  Eriodictyon trichocalyx R. Aguayo 1992-5-22 3 Los Angeles 13.5 mi. north of Interstate 210 in Azusa on Sate Hwy. 39 to gated road along West Fk. San Gabriel Riv. 0.3 mi. west of gate, roadside. 884 Comment
  SFV16065  Eriodictyon trichocalyx P. A. Krueger 1994-5-18 36 Los Angeles San Gabriel Mountains 5.5 miles north on Mount Lowe Truck Trail from Chaney Trail. 900 Comment
  UCR223150  Eriodictyon trichocalyx R. G. Swinney 2009-7-22 11334 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223170  Eriodictyon trichocalyx R. G. Swinney 2009-7-22 11323 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCD119326  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1973-7-21 s.n. Los Angeles San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway. Comment
  RSA455082  Eriodictyon trichocalyx var. trichocalyx Mildred E. Mathias 1931-6-23 S 5103 Los Angeles San Antonio Falls, Mt. San Antonio Comment
  UCR128098  Eriogonum angulosum Mark A. Elvin 2003-6-19 2949 Los Angeles Western Transverse Range, hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  UCR231901  Eriogonum angulosum Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 8016 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, c. 100 m east of Sierra Highway, 190 m west of 10th St, 535 m north of Ave C and one km south of Ave B 704 Comment
  CAS-BOT-BC248707  Eriogonum arborescens Eric Walther 1931-5-1 s.n. Los Angeles Santa Barbara Islands. Hugh Evans' place, Santa Monica Comment
  SBBG61887  Eriogonum baileyi P. A. Munz, I. M. Johnston 1928-9-4 11175 Los Angeles Rock Crk 1158 Comment
  RSA0013635  Eriogonum baileyi var. baileyi Orlando Mistretta, Youssef Atallah 2011-8-8 6011 Los Angeles Kentucky Springs Cyn. West side of Angeles Forest Hwy just S of Jct. with Mt. Emma Road. 1133 Comment
  CLARK-A1528-5717  Eriogonum cinereum John C. Roos 1937-6-29 1487 Los Angeles Malibu Beach Comment
  CHSC35461  Eriogonum cithariforme James Henrickson 1975-5-12 9604 Los Angeles 6 (air) miles SE of Pearblossom, 4.6 (rd) miles S of Llano in lower portion of Bob's Gap along 165 St.; in arroyo bottom. 1234 Comment
  SBBG33437  Eriogonum cithariforme A. D. E. Elmer -Jun-1902 3713 Los Angeles Acton Comment
  CAS-BOT-BC241929  Eriogonum cithariforme Dorothy Evans Noble 1917-11-4 s.n. Los Angeles Valyermo, Mohave [Mojave] Desert Comment
  RSA393164  Eriogonum cithariforme var. agninum Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA588139  Eriogonum cithariforme var. agninum Orlando Mistretta 1994-5-23 1234 Los Angeles Little Rock Creek, drainage E of Creek and N of Forest Rd. 4N15. 1311 Comment
  RSA709376  Eriogonum cithariforme var. agninum Mark A. Elvin 2003-5-25 2927 -A Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage. 595 Comment
  UCR127649  Eriogonum cithariforme var. agninum A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25579 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  LA82472  Eriogonum elongatum var. elongatum O. H. Kappler; 1942-11-1 355 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR271584  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-3 15999 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  OBI11112  Eriogonum fasciculatum Ron Pecoff 1961-3-27 s.n. Los Angeles Stunt Rd off Mulholland hwy, Santa Monica Mts 366 Comment
  UCR223693  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-24 11249 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  POM123081  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  RSA393409  Eriogonum fasciculatum var. foliolosum Lester H. Cushman 1933-6-4 s.n. Los Angeles Glendale 488 Comment
  RSA624994  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1963-6-25 8265 Los Angeles San Gabriel Mountains: Pacoima Canyon (Ore Hill Prospect) 1/4 mile east of Dorothy Canyon. 915 Comment
  RSA0088943  Eriogonum fasciculatum var. polifolium Bonnie C. Templeton 1971-5-16 11614 Los Angeles 7 mi. n. e. of Palmdale. 815 Comment
  UC1584236  Eriogonum fasciculatum var. polifolium Tim Ross, Steve Boyd 1990-6-6 2880 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn. USGS 7.5' quadrangle 644 Comment
  UCR141370  Eriogonum fasciculatum var. polifolium R. G. Swinney 1997-8-19 5819 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  RSA5989B  Eriogonum giganteum var. giganteum Carl B. Wolf 1932-10-4 4226 Los Angeles Santa Catalina Island; above the Amphitheater, Avalon 30 Comment
  RSA568838  Eriogonum gracile var. gracile Bonnie C. Templeton 1939-9-6 s.n. Los Angeles Playa del Rey. 40 Comment
  RSA656200  Eriogonum gracile var. gracile Joseph M. Keefe 1977-6-11 22188 Los Angeles Verdugo Mountains: Shoulder of Foothill Boulevard near Tujunga Wash, Sunland. Comment
  SBBG62156  Eriogonum heermannii V. Duran 1933-8-10 3545 Los Angeles South Fk Big Rock Crk 1394 Comment
  UCR117227  Eriogonum maculatum B. G. Pitzer 1998-5-12 3697 .1 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  RSA393686  Eriogonum mohavense T. W. Minthorn 1925-5-30 s.n. Los Angeles Palmdale ? Comment
  SBBG126  Eriogonum mohavense R. Hoffmann 1928-7-9 Los Angeles between Lancaster and Palmdale Comment
  SBBG64064  Eriogonum mohavense R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  UCR209258  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-10-7 9472 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209278  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-9-12 9444 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  UC1584890  Eriogonum nudum var. pauciflorum Tim Ross, Steve Boyd 1991-7-24 5621 Los Angeles ridge nne Granite Mountain; Pacifico Mountain USGS 7.5' quad 1865 Comment
  JEPS97057  Eriogonum nudum var. pauciflorum unknown 1928-7-9 Los Angeles Pine Canyon northern Los Angeles Co. Comment
  SBBG64160  Eriogonum nudum var. pubiflorum R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  SD186299  Eriogonum ordii A. C. Sanders, T. B. 2005-4-26 29730 Los Angeles Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon Road 609 Comment
  RSA393060  Eriogonum parvifolium var. parvifolium Wm. Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  SBBG17103  Eriogonum saxatile M. Vincent 1962-5-7 243 Los Angeles 1 mi from Pearblossom turnoff on rd to Valyermo Comment
  UCR192011  Eriogonum saxatile A. C. Sanders 2008-4-17 34918 Los Angeles Transverse Range, 1.5 mile SW of Neenach School, c. 0.75 mi. SW of VABM 'Pine', south of peak 3413 1012 Comment
  RSA424904A  Eriogonum saxatile M. A. Salazar 1969-8-12 s.n. Los Angeles San Gabriel Mountians: Mt. Baden Powell, ca. 5.0 mi. west of Big Pines 2439 Comment
  RSA766276  Eriogonum stellatum Joseph A. Ewan 1936-7-22 9830 Los Angeles Blue Ridge trail. San Gabriel Mts. 2317 Comment
  SEINET3816784 Image available Eriogonum umbellatum var. minus Joseph Andorfer Ewan 1934-8-6 8353 Los Angeles San Gabriel Mts., Mount Baldy 2743 Comment
  RSA755829  Eriogonum wrightii R. G. Swinney 2008-10-7 9482 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA0044670  Eriogonum wrightii var. membranaceum Lyman Benson 1947-10-9 12836 -A Los Angeles Five miles southwest [SE?] of Valyermo; Mountain Range: San Gabriel; Drainage Area: Mojave Desert 976 Comment
  JEPS97077  Eriogonum wrightii var. subscaposum Victor Duran 1933-7-28 3540 Los Angeles Buckhorn; San Gabriel Mtns 1981 Comment
  CAS-BOT-BC297946  Eriophyllum confertiflorum Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mts: Mill Canyon Comment
  POM357917  Eriophyllum confertiflorum L. S. Rose 1934-12-31 34535 Los Angeles Griffith Park. Comment
  POM357947  Eriophyllum confertiflorum M. B. Dunkle 1932-6-2 2163 Los Angeles Santa Catalina Island. White's landing Comment
  SEINET11850714  Eriophyllum confertiflorum H. W. Graham 1927-1 9 /9/2015 Los Angeles along trail & road from Mt. Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson, near Los Angeles Comment
  LA203576  Eriophyllum confertiflorum var. confertiflorum F. R. Fosberg; 1932-5-5 8104 Los Angeles Santa Catalina Island, Hill n. Avalon 40.0 Comment
  RSA549161  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3657 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  SBBG12000  Eriophyllum confertiflorum var. confertiflorum A. C. Sanders 2003-3-14 25761 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 520 Comment
  SD37563  Eriophyllum confertiflorum var. trifidum Edith A. Purer 1935-5-11 6546 Los Angeles Hillside, Malibou Lodge Road, Santa Monica Mountains. Comment
  UCR255853  Erodium Dan S. Cooper 2014-6-26 614- 62 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, along north side of Forest Lawn Rd. across from cemetery 152 Comment
  RSA584172  Erodium botrys Tim S. Ross 1990-5-15 2354 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA0047420  Erodium cicutarium R. G. Swinney 2010-5-4 12503 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
  RSA391810  Erodium cicutarium Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  UC1971455  Erodium cicutarium Louis C. Wheeler 1967-5-15 9571 Los Angeles SAN GABRIEL MOUNTAINS: Ridgetop east southeast of Fremont Pass. Comment
  UCD103188  Erodium cicutarium Geoffrey Levin 1974-4-22 24 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Comment
  UCR178897  Erysimum capitatum R. G. Swinney 1970-4-4 0013 Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 421 Comment
  RSA0091126  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-12 14714 Los Angeles along Cabin Canyon Creek near the confluence with Aliso Canyon 1195 Comment
  SBBG92024  Erysimum capitatum var. capitatum R. Hoffmann 1931-5-4 Los Angeles 5 mi N of Lancaster Comment
  UCSB21672  Erysimum suffrutescens Keefe, Joseph 1967-3-27 Los Angeles Marina del Rey, intersection of Vista del Mar and 66th Avenue, Playa del Rey 6 Comment
  SBBG31345  Erythranthe cardinalis R. F. Thorne with P. C. Everett 1965-6-23 34969 Los Angeles No 2 Reservoir, upper part of Middle Ranch Cyn 304 Comment
  SD236424  Erythranthe latidens A. C. Sanders 2005-5-11 30131 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on N side of canyon 573 Comment
  CAS-BOT-BC151587  Erythranthe parishii Carl B. Wolf 1932-8-11 4011 Los Angeles Desert slope of San Gabriel Mts., Big Rock Creek, 1 1/4 mi. below Big Rock Ranger Station 914 Comment
  CAS-BOT-BC403169  Eschscholzia californica C. F. Baker 1909-5-15 5307 Los Angeles Mts near Claremont Comment
  RSA433655  Eschscholzia californica N. C. Cooper 1945-5-1 2197 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA725900  Eschscholzia californica Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2920 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR127237  Eschscholzia californica Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2920 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR269967  Eschscholzia californica R. G. Swinney 2010-6-1 13105 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  RSA433675  Eschscholzia californica G. R. Johnstone 1930-4-6 s.n. Los Angeles Pine Canyon. Comment
  CAS-BOT-BC92217  Eschscholzia ramosa Carl B. Wolf 1932-5-9 3492 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due west of Pebbly Beach. 304 Comment
  SD51924  Eschscholzia ramosa Peter H. Raven 1962-5-9 17646 Los Angeles San Clemente Island, along road just north of Guds. 249 Comment
  UCR258948  Eucalyptus polyanthemos R. G. Swinney 2010-2-27 11762 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
  SBBG120062  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders 2003-4-14 25980 Los Angeles Newhall Ranch, ca. 0.4 mi N of St Hwy 126, W of Castaic Crk and N of its confluence with Santa Clara River, 0.6 mi S of Commerce Center Drive along Franklin Parkway 305 Comment
  UC187609  Eucrypta chrysanthemifolia var. chrysanthemifolia Mrs. T. S. Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  LA202520  Eulobus californicus Peter H. Raven; 1959-5-2 14046 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, 4.1 mi NW of Tapia Park on road to Malibu Lake. 182 Comment
  UCR258741  Eulobus californicus R. G. Swinney 2010-5-19 12825 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
  UCD142526  Euphorbia albomarginata James Henrickson 1966-4-17 2238 Los Angeles Soledad Canyon, along Escondito Canyon Road, 1 mile NW of Highway 14. 883 Comment
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Jul 9 2014
  UCR95266  Euphorbia albomarginata L. C. Wheeler 1946-8-28 6282 Los Angeles San Gabriel Mtns., Pearblossom Highway in Grandview Canyon drainage 1707 Comment
  UCR148842  Euphorbia dendroides Hartman 2002-5-21 PDR 1253860 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Big Santa Anita Canyon Comment
  SBBG124897  Euphorbia graminea J. M. Wood 2009-1-3 281 Los Angeles residential property, El Nido Drive; Monrovia 171 Comment
  SD144468  Euphorbia maculata Scott D. White 1996-8-31 4506 Los Angeles Clairment, Geneva Ave: N of San JosA^, S of Arrow Hwy; W of Indian Hill, E of Towne 320 Comment
  UCR210193  Euphorbia maculata R. G. Swinney 2008-10-22 9666 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  SFV21845  Euphorbia peplus J. D. Dilley 1997-3-29 152 Los Angeles Santa Monica Mountains Studio City. Beatty Dearing Trail, beginning on Mulholland Drive, 0.5 miles west of Laurel Canyon. 245 Comment
  UC519937  Euphorbia peplus Joseph Andorfer Ewan 1932-2-20 7022 Los Angeles Mandeville Canyon Santa Monica Mts. (near Administration Bldg) Comment
  UCD142446  Euphorbia peplus Gary D. Cromwell; David W. Wheat 1971-5-14 652 Los Angeles San Gabriel Mtns.; Angeles National Forest; Mystic Canyon; 2 mi. NE of Glendora. 373 Comment
  UCR109018  Euphorbia prostrata L. C. Wheeler 1949-10-12 6756 Los Angeles City of Los Angeles, University of Southern California campus, lawn west of Doherty Library on 36 Street. 74 Comment
  RSA716812  Euphorbia serpillifolia A. C. Sanders 2003-8-7 27167 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  UCR186562  Euphorbia spathulata A. C. Sanders 2006-4-25 32200 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  RSA258425  Euphorbia supina C. W. Tilforth 1972-4-5 527 Los Angeles Very common in all areas. Comment
  UCR149009  Euphorbia terracina Doug Gettinger 2004-5-27 s.n. Los Angeles Southern Coast, Ocean Trails, Rancho Palos Verdes, Thomas Bros. LA Co. map pg. 823, grids E-6 & F-6 183 Comment
  CATA1770  Festuca myuros Denise Kraus 2000-5-3 20 Los Angeles Santa Catalina Island: (Goat Harbor burn area) About 1100 feet north of Airport Road and 460 feet west of eastern fuel break ridge/road (which starts slighty east of parking loop). At GHB Transect 8 426 Comment
  SBBG19206  Festuca perennis M. A. Piehl 1963-12-8 631099 Los Angeles W border of airfield loading area 51 Comment
  UCR276748  Ficus carica R. G. Swinney 2010-8-11 13494 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  RSA0093711  Filago arizonica Steven A. Junak, Ralph N. Philbrick 2001-5-18 SCa- 1534 Los Angeles Santa Catalina Island. Cottonwood Canyon, just S of Cottonwood-Blackjack Road, ca. 2.6 miles inland from mouth of canyon. 256 Comment
  POM155638  Filago californica M. B. Dunkle 1928-4-10 1840 Los Angeles Johnson's Canyon. 91 Comment
  RSA393715  Filago californica M. B. Dunkle 1929-4-7 2103 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA660415  Filago californica Orlando Mistretta 1992-5-21 385 Los Angeles Right Star Mine, S of Acton. Comment
  UCR258805  Filago gallica R. G. Swinney 2010-5-25 12982 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA659538  Foeniculum vulgare Monica Acosta 1998-5-14 3 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. 225 Comment
  POM145720  Forestiera pubescens L. R. Abrams 1927-4-30 11747 Los Angeles West of Lancaster. Comment
  SBBG26927  Frangula californica subsp. cuspidata C. B. Wolf 1936-5-27 Los Angeles Indian Cyn Camp 2 mi off Soledad Cyn Comment
  RSA4831  Frankenia grandifolia James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Comment
  CAS-BOT-BC223752  Frankenia salina Alice Eastwood 1906-5-31 s.n. Los Angeles Near Bimini Baths Comment
  UC729777  Frankenia salina Carl B. Wolf 1932-5-12 Los Angeles Little Harbor Santa Catalina Island 3 Comment
  PASA834  Franseria dumosa Stason 1931-5-17 Los Angeles Mohave near Lancaster Comment
  NY169406  Franseria strigulosa L. T. Chamberlain s.n. Los Angeles Comment
  JEPS43923  Fraxinus dipetala Frank W. Peirson 1919-4-19 383 Los Angeles Pacoima Canyon San Gabriel Mountains 609 Comment
  NY42745  Fraxinus dipetala J. B. Walker 1995-3-28 1287 Los Angeles Angeles National Forest, Glendora Ridge Rd, 10km E of junction with Glendora Mtn Rd 1000 Comment
  SEINET8548541  Fraxinus dipetala L. C. Wheeler 1932-6-18 835 Los Angeles San Dimas Canyon, San Gabriel Mts. 427 Comment
  RSA776714  Fraxinus uhdei Steve Boyd, Rick Riefner 2007-4-27 11741 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  CDA39685  Fraxinus velutina A. C. Sanders 2003-3-14 25773 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. Comment
  SEINET10529036  Freesia refracta David B. Dunn 1946-1 Dunn 1999 Los Angeles Ornamental in yard at 316 n. Ave. 5O Comment
  RSA311427  Fremontodendron californicum subsp. californicum Michael C. Long 1974-5-19 s.n. Los Angeles Devil's Punchbowl County Park, south of parking area. Comment
  UC72260  Fritillaria biflora C. J. Fox 1903-4 Los Angeles Highland Park Comment
  CAS-BOT-BC130252  Fritillaria biflora Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Cahuenga Pass near Los Angeles Comment
  POM1726  Fritillaria biflora Philip A. Munz 1918-4-21 2909 Los Angeles South Hills near Pomona. 305 Comment
  RSA166483  Fritillaria biflora W. G. Webb 1935-2-23 s.n. Los Angeles Chevy Chase, San Rafael Hills, north of Glendale Comment
  RSA367730  Fritillaria biflora T. S. Clare 1929-4-7 s.n. Los Angeles Hollywood Country Club. Comment
  SEINET12054459  Fritillaria biflora J. F. Bright, Wyman, C. 1933-1 8157 Los Angeles near Hollywood Comment
  JEPS25741  Galium andrewsii subsp. intermedium John Weiler 1961-5-12 61112 a Los Angeles in e-facing ravine on Ridge Route Rd 0.4 mi n U.S. Weather Bureau lateral (1.9 mi se of the junction of Ridge Route Rd with State Hwy 138 (nr. Quail Lake)) Comment
  RSA770903  Galium angustifolium Robert F. Thorne, Percy C. Everett 1965-5-11 34675 Los Angeles Above summit road from Avalon to airport, Santa Catalina Island 61 Comment
  UCR223827  Galium angustifolium R. G. Swinney 2009-6-17 11199 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
  POM67531  Galium angustifolium subsp. angustifolium George B. Grant 1904-04 s.n. Los Angeles From Pasadena Comment
  UCR272478  Galium angustifolium subsp. angustifolium Mitch Provance 2016-6-27 616- 18 Los Angeles San Gabriel Mountians, Big Pines, Camp McClellan, N side of Table Mountain Rd. 2171 Comment
  POM219980  Galium angustifolium subsp. angustifolium F. R. Fosberg 1932-5-5 8109 Los Angeles Near Avalon, Santa Catalina Island. 30 Comment
  RSA527800  Galium angustifolium subsp. angustifolium Tim S. Ross, Annette Ross 1991-6-3 5534 Los Angeles Elephant Hill: west Pomona. 341 Comment
  RSA529209  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5609 Los Angeles Granite Mountain vicinity: ridge NNE of G.M. 1893 Comment
  POM367674  Galium angustifolium subsp. nudicaule L. E. Hoffman 1929-5-18 957 Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  SEINET12285260  Galium angustifolium var. siccatum M. T. Doutt 1931-1 651 Los Angeles Sierra Madre Mts., trail between Mt. Lowe & Mt. Wilson 1615 Comment
  JEPS6598  Galium aparine F. W. Peirson 1921-6-19 1184 Los Angeles North Fork San Gabriel River San Gabriel Mts. 1005 Comment
  RSA678129  Galium grande Valerie L. Soza, Monica Acosta 2001-6-20 1298 Los Angeles North of Mt. Bliss, along Van Tassel Truck Trail (FS Road 1N36), 0.15 mile north of junction with Van Tassel Ridge Road (FS Road 1N36A). 1067 Comment
  RSA529197  Galium johnstonii Tim S. Ross, Steve D. Boyd 1991-7-24 5659 -A Los Angeles Granite Mountain: San Gabriel Mountain Range. 1951 Comment
  RSA774803  Galium johnstonii R. G. Swinney 2009-7-23 11399 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  IRVC28999  Galium nuttallii A. C. Sanders, Mark A. Elvin 2003-6-18 26943 Los Angeles along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch Santa Susana Mountains 854 Comment
  RSA678819  Galium nuttallii Valerie L. Soza, Samantha Tessel 2001-6-18 1295 Los Angeles Firebreak above Chantry Flat heliport, ca. 0.2 mile west of heliport, off FS Road 2N41.2, west side Santa Anita Canyon. 838 Comment
  UCD121844  Galium nuttallii Kenneth A. Wilson 1961-3-10 965 Los Angeles Santa Monica Mtns. Old Topanga Canyon Rd., ca. 1/4 mile west of Topanga Canyon Rd. Comment
  CATA1677  Galium parisiense Mark L. Hoefs, Steven A. Junak, Bob Given, Keri Kirkland 1998-7-17 2968 Los Angeles Santa Catalina Island: At junction of Grand Canyon and Silver Canyon 109 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
  RSA656219A  Gamochaeta pensylvanica Joseph M. Keefe 1978-5-23 23249 -A Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  UCR145166  Garrya flavescens June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  RSA0016931  Garrya veatchii K. Bahns 1949-1-16 s.n. Los Angeles Found along Glendora Canyon-Mt. Baldy roadside. 305 Comment
  RSA3733  Gastridium phleoides C. B. Wolf 1932-5-10 3523 Los Angeles Santa Catalina Island. Equestrian Trail back of Avalon. 259 Comment
  RSA413932  Gastridium phleoides L. C. Wheeler 1932-6-4 803 Los Angeles Live Oak Canyon 518 Comment
  UCR276718  Gayophytum R. G. Swinney 2010-9-21 13864 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA578796  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-7 8136 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  RSA628813  Gayophytum oligospermum Scott D. White, Dave Bramlet 1998-6-29 6814 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA655783  Gazania linearis James Henrickson 2000-4-15 20698 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
  UCR150359B  Gazania linearis Scott D. White 2003-10-22 9837 Los Angeles San Gabriel Mtns, foothills above Altadena. Los Angeles Dept. of Public Works 'Kinneloa West' debris basin. Northern terminus of Brambling Lane 427 Comment
  RSA390989  Geranium carolinianum F. R. Fosberg 1931-3-20 s 4319 Los Angeles Hamilton Canyon, Santa Catalina Island 40 Comment
  RSA674585  Geranium carolinianum Scott D. White 2000-5-6 7781 Los Angeles Puente Hills: City of Rowland Heights, Rancho Rincon de la Brea near Bill Blevins Park. 213 Comment
  RSA70502  Geranium carolinianum F. W. Peirson 1919-5-18 437 Los Angeles Monrovia Canyon, south base of San Gabriel Mts. 457 Comment
  SD197791  Geranium dissectum A. C. Sanders, T. B. Salvato 2009-5-21 36902 Los Angeles San Gabriel Valley: Whittier Narrows, between San Gabriel River and Rio Hondo, west side of highway 19 (Rosemead Boulevard) along road to shooting area, south of Highway 60 along SCE powerlines 64 Comment
  RSA621041  Gilia aliquanta subsp. aliquanta J. Mark Porter 1998-4-27 11827 Los Angeles North Slope San Gabriel Mtns.: Z9 Road, off Largo Vista. 1371 Comment
  RSA757333  Gilia aliquanta subsp. aliquanta Orlando Mistretta, Christine Mistretta 2008-4-3 2272 Los Angeles Transverse Ranges; Liebre Mountains region: Southern California Edison transmission line tower (Segment 5, Structure 62, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass. Comment
  SBBG91841  Gilia angelensis S. A. Junak 1978-4-15 SCa 019 Los Angeles N side of Cherry Cove, just E of Chester Grave (1901 grave) 15 Comment
  UC52699  Gilia angelensis Geo. B. Grant March 1901 4945 Los Angeles Pasadena Comment
  UCR138495  Gilia angelensis L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  RSA597390  Gilia brecciarum subsp. brecciarum T. S. Ross, S. D. Boyd 1990-6-18 3508 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages; 1744 Comment
  RSA599510  Gilia brecciarum subsp. brecciarum Steve Boyd, Lauren Raz 1997-3-26 9335 Los Angeles Liebre Mountains Region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1098 Comment
  RSA0036975  Gilia capitata R. G. Swinney 2010-5-11 12666 Los Angeles San Gabriel Mountains: Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  SDSU21372  Gilia capitata S. H. Bullock 1968-4-6 46 Los Angeles Claremont. North side of Foothill Blvd. between Darthmouth and College Ave. 366 Comment
  UCD117671  Gilia capitata Lisa J. Seeman; Tony Machado 1993-4-28 s.n. Los Angeles 0.3 mile north on San Francisquito Canyon Road from Seco Canyon Road junction. 304 Comment
  RSA724532  Gilia capitata subsp. abrotanifolia K. Dobry 1991-5-22 d- 671 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UCSB29271  Gilia capitata subsp. abrotanifolia Blakley, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  CAS-BOT-BC226331  Gilia latiflora subsp. davyi W. R. Dudley; F. H. Lamb 1896-6-8 4381 Los Angeles Kings Canyon, Liebre Mountains Comment
  CAS-BOT-BC226345  Gilia latiflora subsp. davyi E. K. Balls; N. N. Balls 1966-3-17 12124 Los Angeles 1.5 mi E. of Llano along Hwy 138. Palmdale to the Cajon Pass Comment
  RSA60285  Gilia latiflora subsp. davyi E. K. Balls, Lee W. Lenz 1950-3-28 14470 Los Angeles 1 mile east of Quail Lake, Antelope Valley. 1067 Comment
  UC1080503  Gilia latiflora subsp. latiflora Verne and Alva Grant 1952-4-23 9123 Los Angeles just out Palmdale (on road to Saugus); just out of Palmdale on road to Saugus Comment
  UCR168450  Gilia leptantha subsp. transversa F. W. Peirson 1921-5-20 4132 Los Angeles Transverse Ranges; San Gabriel Mountains, Little Rock Creek 1006 Comment
  RSA597286  Gilia modocensis T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3740 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  SBBG126022  Gilia modocensis A. Parikh, N. Gale 2010-5-12 3159 Los Angeles 3.9 km S of Hwy 138, 0.2 km W of 120th St W 783 Comment
  UCR194089  Gilia modocensis A. C. Sanders 2008-4-25 35119 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  SDSU3091  Gilia nevinii R. M. Beauchamp 1967-6-2 536 Los Angeles Below Lemon Tank. San Clemente Island. 259 Comment
  RSA0017079  Gilia ochroleuca subsp. bizonata R. G. Swinney 1999-6-5 7271 Los Angeles San Gabriel Mtns.: ridge extending west from Big John Peak, above Big John Flat 1768 Comment
  RSA0017183  Gilia ochroleuca subsp. vivida Valerie L. Soza, Naomi Fraga 2003-6-13 1669 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  CAS-BOT-BC402060  Gilia ochroleuca subsp. vivida Geo. B. Grant 1902-6-6 355 Los Angeles Summit of Mt Wilson. South part of California Comment
  RSA0017174  Gilia ochroleuca subsp. vivida George B. Grant 1906-6-16 s.n. Los Angeles Mount Wilson: summit. Comment
  NY336879  Gilia prostrata C. C. Parry 1881-1 185 Los Angeles Comment
  RSA679881  Gilia sinuata LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 842 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  PASA723  Gilia tricolor J. E. Giguette May, 26 Los Angeles Flintridge Comment
  SBBG133903  Githopsis diffusa subsp. robusta R. Burgess, P. Munro 2005-5-18 6850 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 457 Comment
  UCR231388  Gnaphalium canescens subsp. microcephalum Dan S. Cooper 2011-10-5 1011- 123 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper Fern Canyon 188 Comment
  UCR204823  Gnaphalium luteoalbum R. G. Swinney 2005-8-22 8511 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  CAS-BOT-BC302599  Gnaphalium palustre E. Braunton 1902-5-15 s.n. Los Angeles Gardena Comment
  SBBG31331  Gnaphalium palustre R. F. Thorne with P. C. Everett 1965-6-23 34973 Los Angeles Haypress Reservoir 411 Comment
  SFV4895  Gnaphalium palustre M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. In small, dry wash. 152 Comment
  POM358927  Gnaphalium ramosissimum Louis Greata 1901-6-15 s.n. Los Angeles [Unspecified] Comment
  CAS-BOT-BC108967  Goodmania luteola R. C. Barneby 1954-5-7 11364 Los Angeles 1 mile north of Lancaster. 716 Comment
  RSA578736  Grayia spinosa T. S. Ross, J. M. Porter 1994-5-1 7594 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA608700  Grindelia camporum var. bracteosa L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail, near Big Dalton Canyon. 731 Comment
  CAS-BOT-BC305258  Grindelia hirsutula John Thomas Howell 1952-10-26 28881 Los Angeles Just north of Lancaster Comment
  CAS-BOT-BC305272  Grindelia hirsutula Lewis S. Rose 1946-7-21 46223 Los Angeles N. end of Hollywood Reservoir 228 Comment
  RSA430020A  Guillenia lasiophylla F. R. Fosberg 1931-4-8 4503 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 40 Comment
  LA203643  Gutierrezia californica Marion Olsen; 1923-7-1 sn Los Angeles Arcadia Comment
  JEPS30430  Gutierrezia sarothrae Peter H. Raven and Henry J. Thompson 1959-10-16 14655 Los Angeles 4.4 miles n Saugus (at mouth of Boquest Canyon); Boquet Canyon Comment
  UCR218010  Haplopappus venetus A. C. Sanders, Dan S. Cooper 2010-8-5 38576 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  POM155755  Harpagonella palmeri M. B. Dunkle 1928-4-22 1889 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  SBBG113115  Harpagonella palmeri S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 255 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  IRVC29535  Harpagonella palmeri A. C. Sanders 2003-4-29 26178 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA678688  Hazardia cana Mark Elvin, Orlando Mistretta 1996-3-24 138 Los Angeles San Clemente Island. Eagle Canyon. 244 Comment
  JEPS19465  Hazardia squarrosa var. grindelioides Peter H. Raven 1957-9-21 11325 Los Angeles nw end U.C.L.A. Campus; Los Angeles, U.C.L.A. Campus Comment
  LA203733  Hazardia squarrosa var. grindelioides Louis C. Wheeler; 1931-9-25 159 Los Angeles Eagle Rock 274 Comment
  RSA716928  Hedera helix LeRoy Gross, Naomi Fraga 2006-1-20 2448 Los Angeles East end of the Verdugo's. North side of the main crest. A small draw south of Deer Creek that drains into Deer Creek, off of Beaudry Road. Southwest of Debris Basin. 412 Comment
  SEINET10454454  Hedera helix Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4769 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA747200  Helenium bigelovii R. G. Swinney 2005-8-5 8382 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA594468  Helenium puberulum Steve Boyd, Lauren Raz 1996-9-24 8940 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
  RSA0067560  Helianthemum scoparium R. G. Swinney 2010-5-4 12499 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
  RSA679058  Helianthemum scoparium Valerie L. Soza, LeRoy Gross 2001-5-14 1219 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  RSA80682  Helianthemum scoparium F. W. Peirson 1920-4-22 115 Los Angeles foothill of Rubio Canyon 533 Comment
  SEINET6630147  Helianthemum scoparium I. W. Clokey, B. C. Templeton 1929-May 4490 Los Angeles Western Transverse Range; Santa Monica Mtns.; Mandeville Canyon 250 Comment
  RSA550718  Helianthus annuus subsp. lenticularis Timothy S. Ross, Annette Ross 1991-7-29 5685 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. mapped as Miocene Volcanic (Rhyolite). 232 Comment
  UCR269136  Helianthus gracilentus Orlando Mistretta, Christine Mistretta 2011-7-6 5917 Los Angeles San Gabriel Mountains, Fall Creek Canyon, tributary of North Fork Mill Creek, along Forest Road 3N27 1239 Comment
  RSA77877  Heliotropium curassavicum F. W. Peirson 1923-5-27 3542 Los Angeles Pallett Creek, tributary to Rock Creek, north slope of San Gabriel Mts. 1097 Comment
  RSA360327  Hemizonia australis Louis Greata 1900-08 4023 Los Angeles Cienega, Los Angeles. Comment
  CDA7031  Hemizonia fasciculata A. C. Browne 1953-7-3 Los Angeles 3 miles south of Gorman. 0 Comment
  UCR205709  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2009-5-18 36806 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  UCR240983  Hemizonia fasciculata Dan S. Cooper 2010-3-8 20100308- 34 A 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
  UCR209310  Hemizonia parryi subsp. australis A. C. Sanders 2009-11-6 37230 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UC1587704  Herniaria hirsuta subsp. cinerea Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5093 Los Angeles coastal flats wnw new landing field (North Head, San Clemente Island); San Clemente Island, North Head 15 Comment
  SBBG108961  Hesperevax sparsiflora S. A. Junak 1997-3-13 SCl 784 Los Angeles ridge between 2 forks of first cyn E of Mosquito Cyn, near head of W fork, ca. 0.54 mi E of Triangulation Pt "Rest" 365 Comment
  CAS-BOT-BC403841  Hesperocnide tenella John H. Thomas 1957-5-3 6733 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  LA201497  Hesperocnide tenella Arthur C. Gibson; 2003-4-24 4859 Los Angeles 243 Comment
  SBBG97023  Hesperocnide tenella S. Boyd with T. Ross, L. Arnseth 1990-4-8 4405 Los Angeles Bryce Cyn near Malo Pt Comment
  CAS-BOT-BC403835  Hesperocnide tenella G. B. Grant 1900-3-17 2296 Los Angeles Pasadena Comment
  RSA527620  Hesperocnide tenella Steve D. Boyd 1990-4-8 4405 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA92870  Hesperocnide tenella F. W. Peirson 1921-2-26 2356 Los Angeles Topango Canyon Divide. 488 Comment
  CATA1819  Hesperocyparis stephensonii Benjamin E. Carter 2012-8-31 7020 Los Angeles Santa Catalina Island: Black Jack Campground 459 Comment
  RSA667599  Heterodraba unilateralis Steve Boyd, Lee Lenz 2001-5-2 10421 Los Angeles along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. [Latitude should be 34 instead of 36] Comment
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Dec 17 2008
  RSA0020390  Heteromeles arbutifolia Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5155 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA449821  Heteromeles arbutifolia Freda Detmers 1929-7-18 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  SDSU9053  Heteromeles arbutifolia R. M. Beauchamp 1966-8-9 56 Los Angeles Between The Isthmus and Fourth of July Cove. Santa Catalina Island. Comment
  UC1128107  Heteromeles arbutifolia F. H. Raymond 1930-1-29 42 Los Angeles Santa Ynez Canyon; Calabasas Quad. 518 Comment
  UC1211003  Heteromeles arbutifolia Huron H. Smith 1912-6-18 5117 Los Angeles Santa Catalina Island; Rock Spring Canyon 15 Comment
  RSA0072413  Heteromeles arbutifolia M. B. Dunkle 1939-4-7 7337 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  SD141295  Heteromeles arbutifolia var. macrocarpa Reid Moran 1958-9-16 6845 Los Angeles San Clemete Island, Wall Rock Canyon, 2 miles SE of Eel Point 120 Comment
  SD141297  Heteromeles arbutifolia var. macrocarpa Reid Moran 1958-9-16 6847 Los Angeles In wash, Wall Rocky Canyon, 2 miles SE of Eel Point, San Clemente Island. Comment
  POM604733  Heterotheca fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-9-2 163 Los Angeles Lady Bug Canyon, Angeles Crest Highway Comment
  RSA0049475  Heterotheca fastigiata Richard G. Swinney 2010-5-7 12608 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
  RSA0074519  Heterotheca fastigiata Anstruther Davidson 1441 Los Angeles Rock Creek Comment
  CAS-BOT-BC318862  Heterotheca grandiflora C. B. Wolf 1931-5-13 2002 Los Angeles Pacoima Wash near bridge on the road from Tujunga to San Fernando 365 Comment
  RSA0074428  Heterotheca grandiflora Peter H. Raven, H. J. Thompson 1959-10-14 14642 Los Angeles Santa Monica Mountains: East end of Malibu Lake. (Lat. N. 34d; Long. 118d to 119d W) 221 Comment
  RSA0063275  Heuchera elegans R. G. Swinney 1998-6-16 6976 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  CAS-BOT-BC319770  Hieracium argutum G. B. Grant 1901-6-1 4466 Los Angeles Sturdevants Camp 1524 Comment
  CAS-BOT-BC55360  Hirschfeldia incana F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Near Los Angeles. Los Angeles River Bottom. Comment
  UCR147261  Holodiscus discolor Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region, Slope near E tributary of Fern Canyon, USFS Road 2N66 756 Comment
  SBBG59358  Hordeum brachyantherum R. Hoffmann 1929-5-21 Los Angeles Lancaster Village Comment
  CATA1994  Hordeum intercedens Steven A. Junak, Mark Hoefs, Janet Takara 1997-3-28 402 Los Angeles Santa Catalina Island: N side of Cherry Cove, at Birdie Chester gravesite (1906) 21 Comment
  POM50779  Hordeum jubatum A. D. E. Elmer 1902-06 3618 Los Angeles Lancaster. Comment
  RSA716645  Hordeum murinum Andrea Edwards, Pam De Vries 2005-3-29 50 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA347575  Hordeum murinum subsp. glaucum B. A. Prigge 1986-3-20 6963 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  RSA251483  Hordeum murinum subsp. leporinum R. F. Thorne 1973-4-11 42821 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  RSA639969  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-29 9767 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  RSA640940  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-8-2 10321 Los Angeles Angeles National Forest; Sulphur Spring 1585 Comment
  CATA1991  Hordeum vulgare Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 369 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road 228 Comment
  CAS-BOT-BC532291  Horkelia cuneata var. puberula Dr. H. E. Hasse 1888-7-10 s.n. Los Angeles Southern California, Glendale Comment
  SBBG106791  Hornungia procumbens V. Soza with L. Gross 2002-4-3 1382 Los Angeles W side of Bouquet Cyn, cyn opposite Texas Cyn 549 Comment
  UCR271962  Hulsea heterochroma R. G. Swinney 2011-5-31 14888 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  OBI56530  Hulsea heterochroma Tim Ross, Steve Boyd 1990-6-6 2839 Los Angeles Green Valley Pasture (in San Francisco pasture): T6N R14W, N1/2 NW 1/4 sec 7 on Lake Hughes USGS 7.5' quad 1036 Comment
  RSA720498  Hulsea vestita subsp. gabrielensis Naomi Fraga, Bill Hogshead 2006-5-31 1684 Los Angeles Along the Santa Clara Divide Road, between Indian Canyon and North Fork Station. Comment
  SEINET7047936  Hymenoclea salsola Steven R. Hill, Kate Kramer 2001-4-22 33393 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  UCR102376  Hyparrhenia hirta L. C. Wheeler 1947-6-15 6527 Los Angeles San Gabriel Mtns. Foothills, Altadena; Canyon Crest Drive and Lincoln Ave 396 Comment
  UCD124916  Hyptis emoryi J. N. Hogue; J. Dilley 23-24 Apr 1998 108 .6 Los Angeles chuckwalla Mountains, Corn Springs Wash at Corn Spring. 1600 Comment
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Nov 12 2013
  RSA366847  Iris pseudacorus Robert Gustafson 1981-3-18 2131 Los Angeles Ballona Wetlands, Area 3. Comment
  CAS-BOT-BC140528  Isocoma menziesii A. C. Sanders; T. B. Salvato 2009-5-19 36818 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  CATA1789  Isocoma menziesii var. vernonioides Benjamin E. Carter, John R. Clark 2012-8-9 6973 Los Angeles Santa Catalina Island: Twin Peaks, a ridge of limestone forming southwestern rim of Bulrush Canyon 390 Comment
  JEPS42710  Isomeris arborea W. L. Jepson 8935 Los Angeles mts above Castac Lake (foot of hill from Ridge Road, before Tejon Pass) 1219 Comment
  CAS-BOT-BC340172  Jaumea carnosa Carl B. Wolf 1932-9-16 4115 Los Angeles Bryant Ranch. W. side of San Gabriel Flood Control, about 1400 ft. south of 7th St., east of Long Beach 3 Comment
  JEPS4938  Jepsonia malvifolia Herman Schroeder 1953-11-26 Los Angeles above Avalon; Catalina Island Comment
  OBI69349  Jepsonia malvifolia John Knapp, Denise Knapp 2002-11-27 20 Los Angeles Santa Catalina Island 366 Comment
  UCR282022  Juglans californica R. G. Swinney 2014-5-21 16613 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  SACT002739  Juglans californica Herbert Copeland 1927-7-30 Los Angeles Small tree in gulches. Comment
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Oct 28 2015
  UCR169887  Juglans californica var. californica A. C. Sanders, Dan Malueg, K. D. Jones 1999-11-19 23259 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 595 Comment
  RSA0011171  Juglans californica var. californica Thomas Seerley 1948-2-22 s.n. Los Angeles San Gabriel Mountains, Glendora. 457 Comment
  CAS-BOT-BC110032  Juncus acutus L. R. Abrams 1901-5-28 1682 Los Angeles Ballona Harbor. Comment
  UCR277195  Juncus balticus R. G. Swinney 2010-6-8 13231 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA729721  Juncus balticus subsp. ater R. G. Swinney 1999-6-21 7348 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA601149  Juncus macrophyllus L. C. Wheeler 1966-9-6 8871 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  RSA670186  Juncus macrophyllus Ian Swift 2001-7-2 232 Los Angeles Middle Fish Canyon, 1.5 miles north of Cienega Campground 808 Comment
  RSA645706  Juncus mexicanus A. C. Sanders, E. J. Lott 1993-5-6 13954 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F . 701 Comment
  RSA605016  Juncus mexicanus L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA735910  Juncus patens Justin M. Wood 2008-5-31 6 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  RSA774837  Juncus rugulosus R. G. Swinney 2009-6-12 11137 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
  RSA368361  Juncus textilis L. C. Wheeler 1933-12-24 2347 Los Angeles San Dimas Canyon Dam, San Gabriel Mountains 427 Comment
  RSA517173  Juncus textilis Timothy S. Ross, Orlando Mistretta 1990-10-16 3280 Los Angeles San Gabriel Mountains: Mt Baldy Ranger District, Angeles National Forest. Cape Horn Canyon. 610 Comment
  UCR210299  Juncus xiphioides R. G. Swinney 2008-11-29 9850 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA569842  Keckiella breviflora var. breviflora Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4877 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA649980  Keckiella cordifolia Al Dugger 1948-5-16 18 Los Angeles at the side of Baseline road Claremont. 4 mi. N.E. of Pomona. 915 Comment
  SD69871  Keckiella cordifolia Robert F. Thorne, D. Propst 1968-5-27 37632 Los Angeles Santa Catalina Island, along small stream in Middle Ranch Canyon Comment
  UC1334661  Keckiella cordifolia J. E. Stumbo 1966-5-11 LASCA 545 Los Angeles Monrovia; wilderness area the Lux Arboretum Annex 762 Comment
  UCR132346  Keckiella cordifolia 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
  UCR170403  Keckiella cordifolia Alex R. Van Dam 2004-5-16 020 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park on hiking trail on N-facing slope 262 Comment
  CAS-BOT-BC246113  Keckiella ternata var. ternata C. F. Baker 1903-5-1 5067 Los Angeles Claremont Comment
  LA202285  Kickxia elatine Arthur C. Gibson; 2005-6-4 5032 Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near parking area along Mulholland Hwy opposite Seminole Dr. Comment
  UCR130841  Kochia californica David Charlton 1989-4-21 2887 Los Angeles Mojave Desert (W): Antelope Valley, Ave. 'B' between 120th and 140th St. East, just south of Edwards Air Force Base. 701 Comment
  LA82506  Koeleria macrantha O. H. Kappler; 1943-5-23 470 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA403463  Koeleria macrantha Geo. L. Moxley 1915-7-21 408 Los Angeles Barley Flats, San Gabriel Mountains. Comment
  UCR147625  Koeleria macrantha Naomi Fraga, Paul Morton 2004-5-18 1182 Los Angeles Transverse Ranges; San Gabriel Mountains region, On ridgeline of Mount Hillyer, near summit 1860 Comment
  LA204717  Krascheninnikovia lanata A. Handschiegel; 1925-5-19 sn Los Angeles Little Rock Creek Comment
  OBI6969  Krascheninnikovia lanata Shirley Vaughan 1974-5-11 32 Los Angeles 10th st. E and Kettering St., Lancaster 718 Comment
  CATA1738  Lamarckia aurea Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-13 3122 Los Angeles Santa Catalina Island: Near road above Empire Landing 137 Comment
  RSA707938  Lamarckia aurea L. M. Prince, N. Refulio 2002-3-25 2 -283 Los Angeles Claremont, Palmer Canyon. ~0.25 km north of Padua Ave. on Palmer Canyon Rd. 450 Comment
  RSA747555  Lamarckia aurea R. G. Swinney 2008-4-16 8678 Los Angeles San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  SEINET4670733  Lamarckia aurea G. Grant 1901 to 1905 665 Los Angeles Pacific Coast, Southern California, Pasadena Comment
  RSA512047  Lamium amplexicaule Louis C. Wheeler 1967-5-13 9538 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  POM280182  Lampranthus roseus Arthur L. Cohen 1934-8-2 520 Los Angeles Ocean Park. Comment
  RSA0004829  Langloisia flaviflora Anstruther Davidson 1922-5-28 3506 Los Angeles Willow Springs. Comment
  RSA652702  Lantana montevidensis Phillip Robinson 1991-5-12 361 Los Angeles Sycamore Canyon, 0.25 miles south of intersection of Beverly Blvd and Workman Mill. 0.8 miles east of Workman Mill Road on trail into Canyon. [City of Industry, SW of Rio Hondo College, east of 605 Fwy.] Comment
  RSA586025  Lasthenia californica Orlando Mistretta 1995-3-24 1558 A Los Angeles San Gabriel Mountains, Carr Canyon. 1052 Comment
  CAS-BOT-BC329156  Lasthenia glabrata subsp. coulteri H. E. Hasse 1892-5-15 25 Los Angeles Near Los Angeles Comment
  LA203788  Lasthenia glabrata subsp. coulteri A. M. Johnson; 1933-5-17 4267 Los Angeles Del Rey, Los Angeles Comment
  RSA177880  Lasthenia gracilis R. F. Thorne, P. Everett 1965-5-10 34520 Los Angeles Near upper end of Gallagher Canyon; Santa Catalina Island. 427 Comment
  UC284138  Lasthenia gracilis P. A. Munz 1923-4-8 6626 Los Angeles San Clemente Island Comment
  UCR192185  Lasthenia gracilis A. C. Sanders 2008-4-10 34812 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
  POM361599  Lasthenia gracilis Samuel R. Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon. 396 Comment
  UCR178387  Lathyrus vestitus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 717 Los Angeles Transverse Ranges: Verdugo Mountains, south side of mountains, off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. West-descending ridge down into Brand Canyon on east side of Brand Canyon 576 Comment
  RSA674718  Lathyrus vestitus subsp. vestitus Scott D. White, P. De Vries 2000-5-18 7906 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
  JEPS55286  Lathyrus vestitus var. vestitus Frank W. Peirson 1919-4-19 374 Los Angeles Pacoima Canyon San Gabriel Mountains 609 Comment
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Feb 25 2015
  RSA702156  Lathyrus vestitus var. vestitus Michael Honer 2004-6-22 1987 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  RSA90453  Lathyrus vestitus var. vestitus F. W. Peirson 1921-10-9 s.n. Los Angeles Tujunga Canyon Comment
  RSA434059  Lavatera assurgentiflora subsp. assurgentiflora Unspecified 1931-7-2 s.n. Los Angeles El Segundo. Comment
  CAS-BOT-BC321512  Layia glandulosa Carl B. Wolf 1937-4-28 8519 Los Angeles Western Mojave Desert. Antelope Valley, 4.5 mi S of Lancaster. Comment
  CHSC35827  Layia glandulosa William Fugimoto 1971-4-18 13 Los Angeles 5 miles SSW of Lancaster in Antelope Valley in Mojave Desert. 762 Comment
  OBI56578  Layia glandulosa Steve Boyd, Lauren Raz 1997-3-25 9269 Los Angeles Liebre mts region: Knapp ranch area at upper end of Cataic Crk drainage inbroad alluvial valley; at head of Cienaga cyn, S of Liebre mtn flats and slopes just NE of ranch compound. T7N R17W NE 1/4 NE 1/4 sec 22 1061 Comment
  RSA601776  Layia glandulosa L. C. Wheeler 1955-4-16 7128 Los Angeles San Gabriel Mountains: Pinyon Flat. Comment
  POM361622  Layia glandulosa Anstruther Davidson 1890-4-13 s.n. Los Angeles Arroyo Comment
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Aug 9 2010
  SFV4253A  Layia glandulosa K. A. Wilson, M. L. Vincent 1965-5-18 1338 Los Angeles Mojave Desert Pearblossom. Corner of Fort Tejon and Longview roads. Comment
  UC53938  Layia glandulosa Ernest Braunton 1902-5-10 324 Los Angeles Rivera Comment
  CAS-BOT-BC380215  Layia platyglossa M. E. Jones 1882-5-13 s.n. Los Angeles Pasadena Comment
  UC284183  Layia platyglossa P. A. Munz 1923-4-9 6673 Los Angeles e coast San Clemente Island Comment
  JEPS89220  Lemna gibba Geo. B. Grant 1904-7-8 6766428 Los Angeles Los Angeles Comment
  RSA300979  Lepechinia fragrans D. C. Michener, Walter Wisura 1982-8-7 4169 Los Angeles San Gabriel Mtns: Northeast-facing ridge between Wolfskill & West Fork of Palmer canyons. 1220 Comment
  UCD124946  Lepechinia fragrans Scott D. White; Brian Leatherman 2004-9-3 10744 Los Angeles San Gabriel Mountains; 'Grizzley Flat', ca. 1 air mile north of Angeles Crest Hwy and ca. 1 air mile south of Big Tujunga Canyon Road. 732 Comment
  CAS-BOT-BC33703  Lepechinia rossii Steve Boyd; Tammy Morgan 2004-5-11 11169 Los Angeles Transverse Ranges; Liebre Mountains region: Head of Ruby Canyon on northern flank of Red Mountain 305 Comment
  UCR187184  Lepidium dictyotum A. C. Sanders 2006-4-21 32149 D Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  UCD115627  Lepidium fremontii Steve Boyd 1986-3-31 1566 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  RSA679826  Lepidium fremontii var. fremontii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 849 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  RSA585323  Lepidium lasiocarpum Timothy S. Ross 1991-4-27 4719 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  RSA678411  Lepidium lasiocarpum Mark Elvin 1996-8-8 325 Los Angeles San Clemente Island. West dunes along road to south end of dunes 9 Comment
  SBBG112867  Lepidium strictum S. A. Junak with M. L. Hoefs, J. Takara 1998-3-22 SCa 507 Los Angeles SE end of Little Harbor Cmpgrd 18 Comment
  UC72930  Lepidium virginicum Miss E. D. Palmer Nov 1904 Los Angeles vicinity Los Angeles Comment
  RSA609383  Lepidium virginicum var. pubescens L. C. Wheeler 1931-3-29 s.n. Los Angeles San Dimas Wash 372 Comment
  RSA702163  Lepidium virginicum var. pubescens Michael Honer 2004-6-22 1996 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  RSA429656  Lepidium virginicum var. pubescens Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  RSA429663  Lepidium virginicum var. pubescens H. L. Bauer 1929-4-15 s.n. Los Angeles Long Beach. Comment
  CAS-BOT-BC328081  Lepidospartum squamatum H. M. Hall 1919-10-22 s.n. Los Angeles Antelope Valley, NW of Mojave Station Comment
  POM361764  Lepidospartum squamatum Anstruther Davidson 1889-09 s.n Los Angeles Los Angeles Comment
  SD186092  Lepidospartum squamatum A. C. Sanders 2003-3-14 25762 Los Angeles Long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gavriel River channel. 519 Comment
  UCR212813  Lepidospartum squamatum Ellen Mackey, Bart O'Brien, Blake Whittington 2006-10-19 NFWF- 1805 Los Angeles San Gabriel Valley, San Gabriel River [channel, northeast of East Huntington Drive], Lario San Gabriel River Trail Park 181 Comment
  UCSB6628  Lepidospartum squamatum Ballard 1954-9-28 Los Angeles One mile north of Route 66, Claremont 289 Comment
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Nov 5 2014
  CAS-BOT-BC273935  Leptochloa fusca subsp. fascicularis E. K. Balls 1953-7-15 18356 Los Angeles In Botanic Garden, Claremont 411 Comment
  UC30200  Leptodactylon californicum W. H. Brewer Feb. 1861 201 Los Angeles San Fernando Plain Comment
  RSA653742  Leptodactylon californicum subsp. glandulosum Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 894 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. 457 Comment
  SBBG31220  Leptosiphon bicolor R. F. Thorne 1966-4-6 Los Angeles ca. 1 mi W of Empire Landing 213 Comment
  POM21353  Leptosiphon breviculus Fordyce Grinnell Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  UCR259582  Leptosiphon parviflorus R. G. Swinney 2010-6-8 13183 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  RSA799679  Leptosyne bigelovii Pam De Vries 2013-4-3 7842 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. 1058 Comment
  UCR145173  Lessingia filaginifolia var. filaginifolia June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  CAS-BOT-BC339281  Lessingia glandulifera var. glandulifera F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  UCR149898  Lessingia glandulifera var. glandulifera R. G. Swinney 1999-6-18 7319 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  POM361802  Lessingia glandulifera var. glandulifera Louis C. Wheeler 1933-9-26 2130 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  POM798  Lewisia rediviva I. M. Johnston 1917-7-4 1470 Los Angeles San Antonio Mountains: south slope of Baldy 2744 Comment
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Jan 23 2011
  CAS-BOT-BC283775  Leymus cinereus Baily 1974-8-15 0526 Los Angeles Castaic Comment
  OBI35691  Leymus condensatus Rebecca Cicoria 1982-5-8 65 Los Angeles Palos Verdes Peninsula: Sepulveda Cyn, along Si's Trl, Rolling Hills Comment
  UCD64301  Leymus condensatus Daryl Koutnik 1978-6-3 s. n. Los Angeles Dry Canyon - Cold Creek Road between Mulholland Highway and Old Topanga Canyon Road. 304 Comment
  UCD64304  Leymus condensatus J. Warren 1952-5-15 Los Angeles Mulholland Drive. 457 Comment
  RSA584108  Ligustrum japonicum Tim S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  CAS-BOT-BC130571  Lilium humboldtii Peter H. Raven; H. L. Wedberg 1957-6-15 10901 Los Angeles In Latigo Canyon 0.8 miles n. of U.S. 101A, Santa Monica Mts. Comment
  RSA509587  Lilium parryi Louis C. Wheeler 1967-7-15 10013 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  SBBG88240  Limonium sinuatum A. C. Sanders 1987-10-13 7423 Los Angeles El Segundo dunes, W of Los Angeles Intl Airport and Pershing Dr 38 Comment
  RSA191374  Limosella acaulis Robert F. Thorne, M. Z. Thorne 1967-7-19 37210 Los Angeles Angeles National Forest, Crystal Lake Recreation Area 1692 Comment
  UC1257221  Limosella acaulis R. F. and M. Z. Thorne 1969-7-10 38381 Los Angeles margin Jackson Lake (Angeles National Forest); San Gabriel Mts., , Jackson Lake 1859 Comment
  UC1728657  Linanthus breviculus Richard Olmstead 1986-6-8 789 Los Angeles near picnic ground at Chilao Chilao 1600 Comment
  UCR124579  Linanthus breviculus B. C. Templeton 1932-6-17 4907 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  UCR7794  Linanthus breviculus Steven M. Hutchison 1971-5-22 s.n. Los Angeles Western Mojave Desert, Hwy 138, 2 mi. west of Pinon Hills, 40 yards from highway on narrow dirt road 1189 Comment
  CAS-BOT-BC226765  Linanthus californicus V. June Wetherell; C. F. Quibell 1960-4-29 242 Los Angeles Angeles National Forest, along road to Crystal Lake Recreation Area Comment
  HSC31670  Linanthus californicus Thomas E. Higley 1974-4-20 32 Los Angeles 20 mi. NE of Azusa along the E Fork of the San Gabriel River Trail 457 Comment
  LA52339  Linanthus californicus C. L. Hogue; 1954-3-13 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  RSA468457  Linanthus californicus N. C. Cooper 1949-6-18 4197 Los Angeles Mt. Baldy Resort. 1220 Comment
  RSA468477  Linanthus californicus Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  RSA652611  Linanthus californicus subsp. glandulosus A. Mayor, N. Daly 1973-5-5 s.n. Los Angeles Tapia Park, Malibu Cyn. Comment
  UC963788  Linanthus ciliatus Herbert L. Mason 1927-6-11 3747 Los Angeles Mount Wilson San Gabriel Mountains 1524 Comment
  UC52538  Linanthus dianthiflorus Harley P. Chandler 1897-1-1 Los Angeles Claremont 396 Comment
  UCD118536  Linanthus dichotomus Dan Axelrod 1932-3-21 s.n. Los Angeles 2 miles E of Fairmont, Antelope Valley. Comment
  SBBG127069  Linanthus dichotomus subsp. dichotomus A. Parikh, N. Gale 2011-6-14 3465 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1 km N of Aliso Cyn Rd; San Gabriel Mtns 1205 Comment
  RSA599289  Linanthus parryae Steve Boyd, Lauren Raz 1997-3-31 9425 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA73006  Linanthus parryae F. W. Peirson 1917-5-13 945 Los Angeles West of Little Rock. Comment
  SBBG13057  Linanthus parryae E. R. Blakley 1958-5-10 2281 Los Angeles 14 mi E of Quail Lake on St Hwy 138 914 Comment
  RSA587415  Linanthus pungens Orlando Mistretta 1995-3-28 1576 Los Angeles San Gabriel Mountains: Drainage W of Little Rock Creek Reservoir just S of dam. 1006 Comment
  SBBG13320  Linanthus pygmaeus subsp. pygmaeus M. A. Piehl, P. H. Raven 1962-6-9 62371 Los Angeles Thirst 597 Comment
  UC1587221  Linanthus pygmaeus subsp. pygmaeus Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5337 Los Angeles between Box Canyon and Horse Canyon (w side of San Clemente Island); San Clemente Island 484 Comment
  POM86716  Linum usitatissimum Marcus E. Jones 1882-05 s.n. Los Angeles Los Angeles. Comment
  RSA468208  Lithophragma affine subsp. mixtum Austin Campbell-Johnston 1904-03 s.n. Los Angeles Campbell Johnston Ranch. Comment
  CAS-BOT-BC432206  Lithophragma bolanderi G. B. Grant 1906-6-10 s.n. Los Angeles Castle Canyon, Mt. Lowe 1219 Comment
  CAS-BOT-BC432214  Lithophragma bolanderi Steve Boyd; Walter Appleby 1993-4-22 7983 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos spring, head of Los Pinetos Canyon. 975 Comment
  SEINET6032582  Lithophragma heterophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6668 Los Angeles San Dimas Canyon Comment
  RSA84380  Lithophragma tenellum F. W. Peirson 1921-6-16 4690 Los Angeles ridge west of summit of Mt. Waterman 2286 Comment
  POM4568  Lobelia dunnii var. serrata M. Hitchcock 1918-7-28 35 Los Angeles Pacoima Canyon. Comment
  UCR272515  Lobelia dunnii var. serrata R. G. Swinney 2011-10-27 15933 Los Angeles San Gabriel Mountains, 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway 634 Comment
  RSA0115834  Loeflingia squarrosa R. G. Swinney 2011-3-29 14271 B 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
  UCD98190  Loeflingia squarrosa Louis C. Wheeler 1967-5-18 9653 Los Angeles San Gabriel Mountains, Placerita Canyon, vicinity Oak of the golden dream. 478 Comment
  RSA690927  Loeseliastrum matthewsii J. Mark Porter, Lauren Machen 2004-5-2 14085 Los Angeles San Gabriel Mountains, northern foothills; ca. 0.25 mi. E of Largo Vista Road, several miles S of the California Aqueduct. 1360 Comment
  UC106715  Loeseliastrum matthewsii Mrs. K. Brandegee 1889-1 Los Angeles Ravena Comment
  CAS-BOT-BC342205  Logfia filaginoides L. R. Abrams 1901-4-1 1238 Los Angeles Ballona Harbor Comment
  RSA0042041  Logfia gallica R. G. Swinney 2010-5-4 12492 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
  RSA177704  Lolium perenne subsp. multiflorum R. F. Thorne, P. Everett 1965-5-11 34551 Los Angeles Santa Catalina Island, Little Harbor. 2 Comment
  RSA700297  Lolium temulentum Darron David 1992-5-15 23 Los Angeles Hacienda Heights, 3-3.7 miles south of the intersection of Colima Rd. and Haliburton Rd., respectively Comment
  RSA160507  Lomatium dasycarpum subsp. dasycarpum J. D. Olmsted 1959-4-15 377 Los Angeles 1/2 mile up Johnston's Pasture road north on Oxford from Baseline N of Claremont. Thompson Creek 579 Comment
  SFV21399  Lomatium dasycarpum subsp. dasycarpum L. Gross 2002-4-13 529 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Entered at the corners of Ledge Ave. & Tuxford St. off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow Hills where Sunland Blvd. runs through. 305 Comment
  UC1605267  Lomatium dissectum var. multifidum Tim Ross and Steve Boyd 1994-5-4 7676 Los Angeles Dogwood Canyon - narrow canyon draining n.e. to Burns Canyon from the n.e. summit of Grass Mt.; Liebre Mts., Lake Hughes Quad., Dogwood Canyon 1267 Comment
  RSA608884  Lomatium lucidum L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Center Creek off Gold Creek off Little Tujunga Creek. 853 Comment
  RSA452097  Lomatium mohavense Robert Gustafson, Gary D. Wallace 1982-4-26 2549 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 975 Comment
  RSA703899  Lomatium mohavense Gary D. Wallace, Ann Hiller 1983-5-18 2041 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E 945 Comment
  SBBG59782  Lomatium nevadense R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  POM13590  Lomatium nevadense var. parishii F. W. Peirson 1922-7-6 s.n. Los Angeles Blue Ridge near Swartout Valley. 2316 Comment
  UCR187094  Lomatium utriculatum A. C. Sanders 2006-5-16 32296 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
  UCR194139  Lomatium utriculatum A. C. Sanders 2008-4-25 35106 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  CAS-BOT-BC240483  Lonicera hispidula June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA522337  Lonicera interrupta T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4025 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  UCR147795  Lonicera interrupta Valerie Soza, LeRoy Gross 2000-6-13 1003 Los Angeles San Gabriel Mountains, SE-facing slope of Horse Canyon, above Horse Canyon Road (FSR 3M51), c. 1.75 mi south of Angeles Crest Hwy, within Horse Canyon Shooting Area 1768 Comment
  UCR124388  Lonicera subspicata I. W. Clokey, B. C. Templeton 1929-1 4554 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR260612  Lonicera subspicata R. G. Swinney 2010-8-9 13463 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  RSA455359  Lonicera subspicata var. denudata Fay A. MacFadden 1931-7-8 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA455379  Lonicera subspicata var. denudata B. C. Templeton 1930-6-17 1093 Los Angeles Franks [Franklin] Canyon, north of Beverly Hills. Comment
  SD69869  Lonicera subspicata var. johnstonii R. F. Thorne, D. Propst 1968-5-27 37623 Los Angeles Santa Catalina Island; in upper Skull Canyon. 299 Comment
  POM18426  Lotus argophyllus subsp. ornithopus P. A. Munz 1923-4-8 6611 Los Angeles San Clemente Island. Comment
  RSA584618  Lotus argophyllus subsp. ornithopus T. S. Ross 1992-4-14 6182 Los Angeles San Clemente Island, central E side of island just below the mouth of Nanny Canyon on the rocky, rutted slope that drains northward. 137 Comment
  RSA589230  Lotus argophyllus var. argophyllus T. S. Ross 1990-6-8 2917 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
  RSA406095  Lotus crassifolius var. crassifolius Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon 1524 Comment
  RSA563489  Lotus grandiflorus var. grandiflorus T. S. Ross 1993-5-13 7125 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  UC207655  Lotus heermannii Geo. B. Grant Apr 1902 716 Los Angeles Catalina Island Comment
  RSA522466  Lotus heermannii var. heermannii T. S. Ross 1990-7-10 4039 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. sandy beach near the intersection of Tie Canyon wash and A.F. Highway Comment
  RSA252895  Lotus humistratus R. F. Thorne 1973-5-11 43551 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
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Dec 22 2012
  RSA719588  Lotus oblongifolius var. oblongifolius R. G. Swinney 1997-7-16 5671 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  RSA782807  Lotus purshianus A. C. Sanders, Dan S. Cooper 2010-8-5 38536 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  SEINET3523774 Image available Lotus purshianus Lawrence M. Booth 1932-7-6 1258 Los Angeles Long Beach Comment
  UCR126571  Lotus salsuginosus A. C. Sanders, Andy Thomson 2003-4-15 25984 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  RSA0070329  Lotus scoparius var. scoparius R. G. Swinney 2010-5-7 12600 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  RSA406836  Lotus scoparius var. scoparius M. Bisbee 1917-5-1 s.n. Los Angeles North side of Eagle Rock Valley Comment
  RSA0111925  Lotus strigosus R. G. Swinney 2011-5-31 14930 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
  RSA498735  Lotus strigosus Dorothy Davis 1923-4-29 s.n. Los Angeles La Canada. Comment
  UC1129184  Lotus strigosus A. D. Gifford 1935-3-15 470 Los Angeles 2.5 mi from Elizabeth Lake Canyon mouth; Angeles National Forest, Tejon Quad. 426 Comment
  UCR124460  Lotus strigosus I. W. Clokey, B. C. Templeton 1929-1 4576 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 300 Comment
  UCR126746  Lotus strigosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26233 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  UCR205899  Lotus strigosus R. G. Swinney 2008-5-8 8785 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
  UCR259964  Lotus strigosus R. G. Swinney 2010-3-18 11980 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
  UCR270936  Lotus strigosus R. G. Swinney 2011-6-14 15123 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA498711  Lotus strigosus E. S. Spalding 1923-3-26 s.n. Los Angeles Sierra Madre, Sturtevant trail Comment
  RSA587525  Lotus strigosus Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1099 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  RSA230194  Lotus unifoliolatus R. F. Thorne 1969-7-2 38290 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  RSA133389  Lotus wrangelianus P. H. Raven 1959-5-3 1250 Los Angeles Santa Monica Mountains (34 deg.N; 118-119 deg.W). Mulholland Drive near Beverly Glen Boulevard 381 Comment
  UCR209433  Lotus wrangelianus Dan S. Cooper 2009-2-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  UCR190391  Lupinus R. G. Swinney 2000-6-19 7807 Los Angeles San Gabriel Mtns., west of Pine Mountain and north of Azusa, junction of FS Rd. 2N24 and Pine Mtn. spur rd. 1274 Comment
  UCR277262  Lupinus D. E. Bramlet 2011-8-13 4945 Los Angeles San Gabriel Mountains, Mt. Gleason, along Mt. Gleason Rd./ Forest Serv. Rd 3N17 1944 Comment
  UC1129285  Lupinus albifrons F. H. Raymond 1930-1-6 16 Los Angeles Escondido Canyon; Triunfo Pass Quad., Escondido Canyon 335 Comment
  UCR6033  Lupinus albifrons K. S. Gill 1965-3-20 s.n. Los Angeles San Gabriel Mountains, Foothills of Mt. Baldy, 2 mi N of Claremont 366 Comment
  SEINET10488412  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x arb. Hyb. (1) Comment
  CAS-BOT-BC201428  Lupinus albifrons var. albifrons Charles Piper Smith 1923-7-16 3790 Los Angeles Hollywood - Hollywood Blvd. Comment
  UC718435  Lupinus benthamii P. C. Everett 1935-6-10 7099 Los Angeles 1/4 mi e Gorman (Liebre Mts.); , e of Gorman 1219 Comment
  RSA199051  Lupinus bicolor W. M. Gauntt 1966-4-9 136 Los Angeles Junction of Glendora Mountain Road with Glendora Ridge Road. 915 Comment
  RSA350044  Lupinus bicolor Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  SD215533  Lupinus bicolor Steve Boyd, Lauren Raz 1997-3-26 9374 Los Angeles Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 975 Comment
  UCR186990  Lupinus bicolor A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31973 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  UCR272545  Lupinus bicolor R. G. Swinney 2011-5-6 14582 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  UCD107125  Lupinus bicolor C. F. Baker 1909-3-20 5252 Los Angeles Claremont. Comment
  SEINET10484867  Lupinus bicolor subsp. marginatus David B. Dunn, Carl C. Epling 1946-4-20 Dunn 2150 Los Angeles At sta. 66 Near the foothills on the w side of the mojave desert, n of Palmdale, on the grassy slopes, between the shrubs, and along the road 823 Comment
  POM350027  Lupinus bicolor subsp. microphyllus M. B. Dunkle 1928-3-31 1801 Los Angeles Cottonwood Canyon, Santa Catalina Island. 122 Comment
  RSA527784  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4348 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA545176  Lupinus bicolor subsp. umbellatus Tim S. Ross 1992-4-16 6199 Los Angeles Central part of island on upland Stipa pulchra grassland; 289 degrees WNW. 500m distant from 1603 peak above Stone station. San Clemente Island. 439 Comment
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Dec 24 2010
  CHSC98055  Lupinus concinnus LeRoy Gross 2003-3-9 806 Los Angeles Transverse Ranges: San Rafael hills, (Verdugo Mountains Flora): Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  UCR273247  Lupinus concinnus R. G. Swinney 2011-6-1 14944 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
  SEINET10485220  Lupinus densiflorus James S. Henrickson 1966-4-16 Henrickson 2250 Los Angeles 12 mi. E of gorman in open grassy fields; growing with eschscholzia Californica; common. 975 Comment
  CAS-BOT-BC205148  Lupinus elatus Robert F. Thorne; J. Dourley 1967-10-10 37376 Los Angeles San Gabriel Mts., Angeles National Forest: Cortelyou Springs 2072 Comment
  RSA250346  Lupinus elatus R. F. Thorne 1972-8-11 42209 Los Angeles Mt. Waterman: East end of Mt. Waterman ridge 2317 Comment
  SEINET10450533  Lupinus elatus C. W. Tilforth 1970-7-28 Tilforth 287 Los Angeles Gravelly, granitic soil, Cortelyou Springs, State Hwy. 2, San Gabriel Mtns. 2134 Comment
  UCR132316  Lupinus excubitus John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  CAS-BOT-BC205406  Lupinus excubitus var. austromontanus E. K. Balls 1952-4-26 8490 Los Angeles Junct. Hwy. 138 & side rd. to Victorville 9.6 mi. N.W. of Camp Cajon 914 Comment
  RSA87191  Lupinus excubitus var. johnstonii F. W. Peirson 1924-5-27 4637 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  POM2437  Lupinus formosus Will Crowley 1903-04 s.n. Los Angeles Collected near Pasadena Comment
  RSA0036524  Lupinus formosus var. formosus Daisie Huang 2007-5-28 07052802 Los Angeles Glendora Ridge Road. 1328 Comment
  POM11104  Lupinus formosus var. formosus H. D. Collins 1921-4-22 36 Los Angeles Claremont. 366 Comment
  LA52468  Lupinus hirsutissimus Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA250622  Lupinus hirsutissimus R. F. Thorne 1971-4-2 41408 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  POM277135  Lupinus hirsutissimus E. S. Steele, H. S. Pratt 1935-2-20 s.n. Los Angeles Glendale. Comment
  SDSU4979  Lupinus hirsutissimus Gerald Collier 1951-4-5 3672 Los Angeles Simi Hills near North American Testing Grounds about 3 miles northeast of Chattsworth Lake. Comment
  UCR147678  Lupinus latifolius subsp. parishii Steve Boyd, Amber Maurice 2004-5-18 11314 Los Angeles Transverse Ranges; Liebre Mtns region, Road leading down towards Atmore Meadows area from main road, on crest of Liebre Mountain at crossing of spring outflow 1437 Comment
  CAS-BOT-BC211725  Lupinus longifolius Charlotte M. Hoak 1933-7-1 s.n. Los Angeles Pacific Palisades, Santa Monica Comment
  UC15824  Lupinus longifolius J. H. Barber 1897-4 299 Los Angeles Santa Monica Canyon Comment
  SBBG3705  Lupinus microcarpus var. microcarpus R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  UCR141069  Lupinus odoratus June Latting 1973-4-29 s.n. Los Angeles Mojave Desert, near Three Sisters hills along Black Butte Road, Antelope Valley, NE of Llano 976 Comment
  SEINET10486197  Lupinus ruber David B. Dunn 1946-4-20 Dunn 2148 Los Angeles Station 64, west margin of Mohave Desert. Comment
  IRVC26946  Lupinus sparsiflorus A. C. Sanders, Tricia Wotipka 2003-4-28 26096 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA0077367  Lupinus sparsiflorus Orlando Mistretta, Christine Mistretta 2005-4-21 2066 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  SD215539  Lupinus sparsiflorus Steve Boyd, Lauren Raz 1997-3-31 9393 Los Angeles Knapp Ranch area at upper end of Castiac Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA0088829  Lupinus succulentus Bonnie C. Templeton, I. W. Clokey 1930-4-8 s.n. Los Angeles San Francesqueto Canyon. Comment
  UCR88508  Lupinus succulentus Scott D. White, Chet McGaugh 1995-5-16 3076 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  POM9619  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-5-15 4008 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  POM2387  Lupinus truncatus Edward L. Greene 1904-4-2 4099 Los Angeles Claremont. Comment
  SEINET3145146  Lupinus truncatus E. K. Balls, LW Lenz 1950-3-28 14452 Los Angeles 12 mi S of Castaic, Hwy 99 335 Comment
  LA90720  Lycium andersonii Ernie Small; 1967-5-7 sn Los Angeles Antelope Valley, Antelope Valley, S end of Edwards Air Force Base on 140th St Comment
  UCR250328  Lycium brevipes var. hassei R. E. Riefner Jr. 2011-8-19 11- 104 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, Paseo Del Mar at Palos Verdes Drive West 90 Comment
  UC729775  Lycium californicum Carl B. Wolf 1932-5-12 Los Angeles 1.5 mi from Little Harbor (on road to Isthmus); Santa Catalina Island 91 Comment
  UCD126612  Lycium cooperi T. E. Weier 1941-6-26 s.n. Los Angeles San Gabriel Mountains near Vincent. Comment
  UCR269929  Lycium cooperi R. G. Swinney 2010-6-1 13095 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  SD85168  Lyonothamnus floribundus subsp. aspleniifolius Martin A. Piehl 1962-6-9 62321 Los Angeles Dry slope, head of canyon north of Chenity and south of Mosquito Cove, San Clemente Island 305 Comment
  RSA187783  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne 1966-4-29 36320 Los Angeles Santa Catalina Island. Below road to White's Landing above turn-off to Echo Lake 404 Comment
  RSA578200  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8183 Los Angeles Santa Catalina Island. Vicinity of Twin Rocks, 260m S of 940-ft peak; midway, and on E side of easternmost blue-line drainage to Goat Harbor. 264 Comment
  RSA582449  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8180 Los Angeles Santa Catalina Island. 1055m NNE of Blackjack Mountain, 650m SSW of Echo Lake, on northeasterly slope draining to White Cove. 366 Comment
  SDSU9098  Lyonothamnus floribundus subsp. floribundus D. F. Howe 1953-5-2 2269 Los Angeles Head of Wain Canyon, Santa Catalina Island. Comment
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Jun 10 2014
  UCR223607  Machaeranthera canescens R. G. Swinney 2009-7-29 11441 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  RSA190905  Madia gracilis R. F. Thorne 1967-5-18 36857 Los Angeles Santa Catalina Island: Middle Bulrush Canyon 244 Comment
  RSA590594  Madia gracilis Timothy S. Ross, Walter Appleby 1993-5-20 7185 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  UCR50864  Magnolia grandiflora A. C. Sanders 1988-5-18 7834 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA134781  Mahonia pinnata R. Fowler, K. Kneen 1933-04 S.N. Los Angeles Boney Ridge. Comment
  CAS-BOT-BC512882  Maianthemum stellatum Tim Ross 1990-8-17 3176 Los Angeles San Gabriel Mts.,S side of Prairie Fork, in the vicinity of Columbine Spring. 2206 Comment
  UC1430061  Malacothamnus clementinus Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22697 Los Angeles China Canyon; San Clemente Island, China Canyon 130 Comment
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Aug 31 2006
  RSA433283  Malacothamnus davidsonii Anstruther Davidson 1920-05 s.n. Los Angeles Pacoima Comment
  RSA659859  Malacothamnus davidsonii Orlando Mistretta 1992-8-17 751 Los Angeles Haines Canyon Trail, Tujunga Ranger District. Comment
  RSA3902  Malacothamnus fasciculatus Carl B. Wolf 1932-5-11 3575 Los Angeles Santa Catalina Island, west side of Isthmus Harbor. 30 Comment
  UC410546  Malacothamnus fasciculatus var. fasciculatus Alice Eastwood 1928-6-15 15400 Los Angeles Claremont Comment
  RSA535886  Malacothamnus fasciculatus var. laxiflorus Tim S. Ross 1991-9-2 5911 Los Angeles Near Mulholland Hwy at Yerba Buena Rd. 503 Comment
  CAS-BOT-BC206365  Malacothamnus fremontii Ernest C. Twisselmann 1955-6-23 2198 Los Angeles Castaic Valley, 1.2 miles north of Gorman - San Emigdio Range 1219 Comment
  UC1929860  Malacothamnus marrubioides Michael Honer, Dylan Hannon 2003-7-1 1841 Los Angeles LIEBRE MTS: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway jtn. with Ridge Rt. Rd. Comment
  SBBG72791  Malacothamnus orbiculatus R. Hoffmann 1927-6-14 Los Angeles E end of Pine Cyn Comment
  CAS-BOT-BC345320  Malacothrix californica Alice Eastwood 1913-5-11 3163 Los Angeles San Fernando Wash Comment
  RSA126775  Malacothrix californica G. T. Nordstrom 1935-4-6 443 Los Angeles 2 1/4 miles northeast of Mouth of Snowy Creek 976 Comment
  POM6234  Malacothrix coulteri Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-8 s.n. Los Angeles Antelope Valley 762 Comment
  UC133516  Malacothrix foliosa Blanche Trask Los Angeles Santa Barbara Island Comment
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Feb 14 2006
  UC1594399  Malacothrix foliosa Tim Ross 1992-4-14 6175 Los Angeles coastal bluff on e escarpment ca 20 m s where Nanny Canyon drainage meets the sea (central e side of island); San Clemente Island 18 Comment
  RSA517997  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-31 1522 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCR259992  Malacothrix saxatilis R. G. Swinney 2010-3-16 11955 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
  CAS-BOT-BC347859  Malacothrix saxatilis var. implicata L. R. Abrams; I. L. Wiggins 1931-7-3 286 Los Angeles Channel Islands. Santa Barbara Island Comment
  CAS-BOT-BC347926  Malacothrix saxatilis var. tenuifolia F. A. Thackery 1928-6-3 439 Los Angeles Mulholland Drive Comment
  JEPS36769  Malacothrix saxatilis var. tenuifolia W. L. Jepson 1908-7-13 3063 Los Angeles Avalon Santa Catalina Island Comment
  RSA0042340  Malacothrix saxatilis var. tenuifolia Pam De Vries 2013-5-20 7860 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 Rd. 1036 Comment
  SD42639  Malacothrix saxatilis var. tenuifolia Darley F. Howe 1947-3-22 1600 Los Angeles Coast north of Santa Monica Comment
  UC124594  Malacothrix saxatilis var. tenuifolia H. M. Hall 1908-6-16 8279 Los Angeles Avalon Santa Catalina Island Comment
  SFV21461  Malosma laurina L. Gross, V. Soza, S. Tessel 2001-6-4 397 Los Angeles Verdugo Mountains Northwest side of mountains. Just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek in Sun Valley. Northwest-facing slope just above disturbed draw. 274 Comment
  RSA543157  Malva parviflora Tim S. Ross, Mike Hammitt, Orlando Mistretta 1991-5-17 5055 Los Angeles San Clemente Island: At West Cove, SW of the new landing field. 6 Comment
  SBBG39130  Malva parviflora E. R. Blakley 1963-4-10 5602 Los Angeles 1 mi S of Avalon 30 Comment
  RSA434892  Malva parviflora H. L. Bauer 1929-3-15 s.n. Los Angeles Long Beach. Comment
  CATA1335  Malvella leprosa Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2437 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  LA210296  Malvella leprosa A. M. Johnson; 1934-4-3 4392 Los Angeles Del Rey Hills Comment
  CATA77  Marah fabacea Mark L. Hoefs 1973-3-13 59 Los Angeles Santa Catalina Island: Upper Avalon Canyon, by water tank above Wrigley Memorial, north exposure 220 Comment
  RSA764300  Marah macrocarpa Doris Bowers 1957-3-10 793 Los Angeles Rocky Point, LaVerne. 335 Comment
  RSA652864  Marah macrocarpa Ron Martinolich 1991-5-3 62 Los Angeles Glendale, south of Figueroa Street dead end (at Marengo Drive). Past gate, south at T in road, to top of hill. Comment
  RSA656312  Marah macrocarpa var. macrocarpa Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 657 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 579 Comment
  JEPS63284  Marrubium vulgare Elizabeth Day Palmer 1908-8-1 Los Angeles Los Angeles Comment
  RSA0104994  Marrubium vulgare R. G. Swinney 2011-3-18 14144 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  PASA1162  Marrubium vulgare Sally Ellis 1939-4-28 Los Angeles Claremont Comment
  SBBG56311  Marsilea vestita R. Hoffmann 1929-4-28 Los Angeles Harold, near Palmdale Comment
  RSA583132  Matricaria matricarioides Timothy S. Ross 1993-4-22 6913 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon, along old dirt road (no longer maintained) that ascends the ridge to the N and drops to Thompson Dam. 236 Comment
  UCR167205  Matricaria matricarioides S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  UCR230897  Matricaria matricarioides Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8019 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 70 m west of Sierra Highway and 420 m north of Avenue F 702 Comment
  RSA445534  Meconella denticulata Bonnie C. Templeton 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles Nat'l Forest. Comment
  UCR24308  Meconella denticulata John C. Roos 1942-5-23 1069 Los Angeles San Gabriel Mtns., Santa Anita Canyon Comment
  POM2401  Medicago lupulina D. L. Crawford 1916-4-20 s.n. Los Angeles Claremont. Comment
  CATA135  Medicago polymorpha Peter Henrikson 1987-5-18 101 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  SBBG80283  Medicago polymorpha F. C. Boutin 1967-4-23 1637 Los Angeles Wilson Cove Comment
  UCR127888  Medicago polymorpha A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26109 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  CDA4223  Medicago polymorpha L. C. Wheeler 1967-5-18 9648 Los Angeles San Gabriel Mountains, vicinity of Oak of the Golden Dream. Comment
  OBI30169  Medicago polymorpha T. Pringle 1966-3-16 63 Los Angeles At La Alba and Cardesa Dr on a vacant lot. Whittier Comment
  SD30967  Medicago sativa Edith A. Purer 1931-3-26 Los Angeles Palos Verdes Hills, roadside Comment
  CAS-BOT-BC281530  Melica imperfecta W. R. Dudley 1900-7-9 s.n. Los Angeles San Gabriel Peak Comment
  LA89867  Melica imperfecta Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon-Cold Creek Road. Comment
  POM184513  Melica imperfecta Thos Craig 1927-6-8 424 Los Angeles Bear Canyon trail to summit of Mt. San Antonio. 1829 Comment
  UCR260326  Melica imperfecta R. G. Swinney 2010-5-4 12550 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  UCR260381  Melica imperfecta R. G. Swinney 2010-4-23 12374 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  SEINET10599466  Melica imperfecta Hermann E. Hasse, John H. Kellogg Hasse s.n. Los Angeles Comment
  CAS-BOT-BC281099  Melica stricta Steve Boyd; Lauren Raz 1997-5-20 9802 Los Angeles Liebre Mts Region: N flank of Sawmill Mts, upper Heryford Canyon drainage, just NE of Sawmill Summit at the junction of FS rds 7N23 and 7N08 1584 Comment
  SBBG31146  Melilotus albus R. F. Thorne 1966-4-29 36268 Los Angeles rd to Ben Weston Beach 60 Comment
  POM348189  Melilotus indicus Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  UCR50861  Melilotus indicus A. C. Sanders 1988-5-18 7821 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA127419  Mentha canadensis Peter H. Raven 1959-10-25 14710 Los Angeles With #14711; Malibu Creek 4.1 miles north of Coast Hwy. 91 Comment
  POM83634  Mentzelia dispersa George B. Grant 1906-6-15 s.n. Los Angeles Mount Wilson: summit. 1829 Comment
  RSA440452  Mentzelia laevicaulis Anstruther Davidson s.n. Los Angeles San Gabriel Mountains. Comment
  RSA602183  Mentzelia laevicaulis Louis C. Wheeler 1946-10-26 6393 Los Angeles San Gabriel Mountains: East Fork San Gabriel Canyon, at Graveyard Canyon. 480 Comment
  SEINET6084138  Mentzelia laevicaulis Unknown 1946-10-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UC187603  Mentzelia micrantha Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  UC19590  Mentzelia montana H. M. Hall 1899-6-22 1378 Los Angeles San Antonio Mountains, Schwartout Canyon 1981 Comment
  POM11577  Mentzelia montana P. A. Munz 1921-6-18 4585 Los Angeles Saw Mill, Swartout [Swarthout] Valley. 2073 Comment
  RSA640299  Mentzelia veatchiana Louis C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1220 Comment
  RSA175358  Mentzelia veatchiana E. Crow 1930-6-29 s.n. Los Angeles San Gabriel Mts. Trail between Camp Coldbrook and Pine Flats. Comment
  RSA757208  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-3 2289 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 63, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass Comment
  UCR68896  Mesembryanthemum crystallinum Steve Boyd, T. S. Ross, Laurel Arnseth 1990-4-7 4273 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA402605  Mesembryanthemum crystallinum I. M. Johnston 1917-4-11 s.n. Los Angeles Wilmington. Comment
  RSA402622  Mesembryanthemum nodiflorum M. B. Dunkle 1939-4-2 7215 Los Angeles San Clemente Island. Pyramid Cove. Comment
  UCD134512  Micropus californicus var. californicus M. Vincent 1963-5-22 358 Los Angeles Santa Monica Mountains. Intersection of Old Topanga Canyon and Mulholland. 1/2 mile off road. Comment
  SBBG117047  Microseris douglasii S. A. Junak 2001-5-4 SCa 1488 Los Angeles N side of rd to Parson's Landing, SE of beach at landing, ca. 0.6 mi W of gate at Emerald Bay 121 Comment
  RSA655238  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-4-15 2314 Los Angeles In the Puente Hills, approx. 274 m. NW of Pomona peak. The site is located some 1220m W of the intersection of the Pomona freeway and Chino Hills Parkway. 381 Comment
  SBBG58243  Microsteris gracilis M. N. Ackley -Mar-1926 835 Los Angeles Lake Hughes 1066 Comment
  SEINET6190458  Mimetanthe pilosa Wesley O. Griesel 1961-5-30 s.n. Los Angeles Devil's Gate Dam 457 Comment
  UCR71150  Mimulus aurantiacus var. parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4421 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  JEPS11719  Mimulus aurantiacus var. pubescens Francis W. Pennell 1940-6-25 26004 Los Angeles Mount Wilson 1676 Comment
  POM8128  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1917-4-3 s.n. Los Angeles Hills near Chatsworth Park. Comment
  RSA0056610  Mimulus aurantiacus var. pubescens Barry A. Prigge 1985-6-14 6396 Los Angeles Santa Monica Mountains, Cold Creek Canyon: along trail from upper gate of Cold Creek Preserve to Murphy Ranch site. 659 Comment
  RSA442660  Mimulus aurantiacus var. pubescens N. C. Cooper 1948-5-13 2754 Los Angeles Pomona. 244 Comment
  RSA668845  Mimulus aurantiacus var. pubescens Carl Wishner 2002-4-2 4230 Los Angeles Puente Hills (Whittier Hills portion), along Turnbull Canyon Road, 1,100 feet northwest of Workman Hill. 305 Comment
  UCR136949  Mimulus aurantiacus var. pubescens B. C. Templeton 1930-5-27 1417 Los Angeles Western Transverse Range; Santa Monica Mtns., Higgins Canyon, north of Beverly Hills 200 Comment
  UCR205676  Mimulus aurantiacus var. pubescens A. C. Sanders, T. B. Salvato 2009-5-29 37033 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  CAS-BOT-BC150856  Mimulus aurantiacus var. puniceus Reid Moran 1941-2-26 628 Los Angeles Johnson's Valley, Santa Catalina Island Comment
  RSA724667  Mimulus brevipes K. Dobry 1991-6-24 d- 747 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  RSA758007  Mimulus brevipes D. E. Bramlet, Jennifer Pareti 2008-5-6 4261 Los Angeles Ridgeline above Bouquet Cyn., 950m SE of Bouquet Cyn. Rd. and 1.61km N of Plum Cyn. 482 Comment
  UC76126  Mimulus brevipes E. D. Palmer Apr. 1902 Los Angeles near Monrovia Comment
  RSA80121  Mimulus cardinalis F. W. Peirson 1910-08 194 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  SEINET11262504  Mimulus cardinalis Timothy S. Ross, Steve Boyd 1994-9-20 8277 Los Angeles Lower Spunky Canyon. This stretch draining SSE exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle.; 0 934 Comment
  UCR190881  Mimulus floribundus R. G. Swinney 1999-7-14 7552 Los Angeles San Gabriel Mtns., Laurel Gulch, an eastern tributary of East Fork San Gabriel River Canyon 854 Comment
  UCR258556  Mimulus floribundus R. G. Swinney 2010-5-29 13020 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  RSA588089  Mimulus floribundus Orlando Mistretta 1994-5-25 1259 Los Angeles Little Rock Creek, near confluence of Little Rock Creek and S Fork of Little Rock Creek. 1280 Comment
  SFV16412  Mimulus floribundus J. H. Nishida 1991-8-24 Los Angeles San Gabriel Mountains Crystal Lake Campground. 1768 Comment
  RSA295243  Mimulus fremontii J. Doty 1969-5-19 630 Los Angeles Bob's Gap Road, 3.7 miles southeast of its junction with State Highway 138, ca. 10 miles southeast of Pearblosssom. 1098 Comment
  UC1537596  Mimulus fremontii var. fremontii Gordon H. True Jr. 1935-3-28 189 Los Angeles w Littlerock 914 Comment
  LA82051  Mimulus guttatus O. H. Kappler; 1943-4-28 378 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 243 Comment
  PASA111  Mimulus guttatus Sally Ellis 1939-4-7 Los Angeles Puddingstone Dam Comment
  SEINET3860457  Mimulus guttatus R. G. Swinney 2009-4-19 10389 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.; 0 213 Comment
  UCR124482  Mimulus guttatus B. C. Templeton 1932-7-20 5041 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCR190058  Mimulus guttatus R. G. Swinney 1998-9-7 6935 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
  POM62  Mimulus guttatus P. A. Munz 1918-4-5 2021 Los Angeles Pomona. Comment
  RSA447958  Mimulus guttatus Robert Kessler 1925-10 s.n. Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  RSA225922  Mimulus johnstonii Robert F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41082 Los Angeles SAN GABRIEL MOUNTAINS, ANGELES NATIONAL FOREST: E ridge of Mt. San Antonio (Old Baldy). Comment
  CDA41673  Mimulus longiflorus A. C. Sanders 2003-6-18 26950 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. 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
  RSA329645  Mimulus moschatus Gary D. Wallace 1975-7-12 1446 Los Angeles San Gabriel Mountains, along Angeles Crest Highway just W of Lodgepole Picnic Ground. E fork Dorr Canyon. 2311 Comment
  RSA447978  Mimulus moschatus Bonnie C. Templeton 1932-6-1 4677 Los Angeles Cienega, Big Pines Park, San Gabriel Mountains. 1982 Comment
  POM82647  Minuartia douglasii P. A. Munz 1925-4-23 9452 Los Angeles San Gabriel Canyon. 488 Comment
  UC1076480  Minuartia douglasii Herbert L. Mason 1927-6-11 3741 Los Angeles Mount Wilson San Gabriel Mountains 1524 Comment
  RSA632861  Minuartia nuttallii subsp. gracilis R. F. Thorne, Robert Frampton 1971-6-27 40981 Los Angeles San Gabriel Mountains: Angeles National Forest, West Baldy Peak. 3013 Comment
  RSA65593  Minuartia nuttallii subsp. gracilis F. W. Peirson 1921-6-17 2437 Los Angeles Divide between Little Rock Creek and Bear Creek, north side of San Gabriel Mountains 2073 Comment
  RSA0056449  Mirabilis bigelovii var. retrorsa Robert L. Rutherford 1943-11-20 977 Los Angeles Lancaster. 762 Comment
  UCR95316  Mirabilis californica L. C. Wheeler 1967-4-30 9213 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of foothills (of San Gabriel Mtns), between Bouquet Junction and Bonelli Ranch 396 Comment
  RSA464647  Mirabilis laevis var. crassifolia C. Epling, L. Ellison 1930-3-28 s.n. Los Angeles Las Flores Canyon. Santa Monica Mountains. Comment
  SD69362  Mirabilis laevis var. crassifolia Robert F. Thorne, P. Everett 1965-5-10 34451 Los Angeles Santa Catalina Island, Cape Canyon. Comment
  RSA0027966  Mirabilis laevis var. crassifolia Steve Boyd, L. Arnseth, T. S. Ross 1990-4-7 4187 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  LA63056  Monardella australis subsp. cinerea Robert L. Dressler; July 2324 1949 953 Los Angeles San Gabriel Mountains, S Hawkins Peak 2346 Comment
  UCSB41716  Monardella exilis Collins, Elizabeth 1977-5-21 Los Angeles Lovejoy Butte, .3 miles north of Palmdale Blvd. at 158th St. east Comment
  RSA563759  Monolopia lanceolata Wandalee Thompson 1974-4-13 96 Los Angeles Palmdale area, Joshua Tree Woodland with some Desert Transition Chaparral. 945 Comment
  SD227849  Morus alba Scott D. White 1997-5-14 5139 Los Angeles Big Tujunga Wash: Sunland-Tijunga area; alluvial fan below San Gabrial Mts. SW of I-210 Freeway, E of Hansen Dam and N of Wentworth St. USGS 7.5' Sunland quad. 86 Comment
  CAS-BOT-BC108995  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin Park. Albarnes Station, east side San Gabriel Wash, just north of Valley Boulevard. Comment
  RSA392632  Mucronea californica Anstruther Davidson 1891-06 s.n. Los Angeles Glendale. Comment
  RSA729786  Muhlenbergia californica R. G. Swinney 1998-8-10 6729 Los Angeles San Gabriel Mtns.: Cattle Canyon, west of (downstream from) Thompson Flat. 671 Comment
  RSA714522  Muhlenbergia microsperma A. C. Sanders, Lee Jones 2005-4-8 29325 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  SBBG31058  Muhlenbergia microsperma R. F. Thorne with P. C. Everett 1965-5-11 Los Angeles above Cottonwood Dam in Cottonwood Cyn Comment
  UCR137595  Muhlenbergia microsperma R. G. Swinney 1990-1-6 1510 Los Angeles San Gabriel Mtns, Glendora, c. 0.2 mi SW of Little Dalton Park on Glendora Mountain Road 427 Comment
  CAS-BOT-BC515103  Muilla maritima Timothy S. Ross; Steve Boyd 1994-5-11 7819 Los Angeles Sawmill Mountain, W summit area ca 260-350m, SE of Sawmill Campground, Burnt Peak 7.5' USGS Quadrangle 1621 Comment
  SDSU19647  Munzothamnus blairii Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2204 B Los Angeles San Clemente Island, south side of Eagle Canyon. 457 Comment
  RSA247974  Nama demissa Robert F. Thorne, Gary D. Wallace 1973-4-24 43440 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  SFV2976  Nama demissum M. L. Vincent 1962-5-19 252 Los Angeles Mojave Desert One mile from the Pearblossom turnoff to Valyermo. 975 Comment
  RSA716615  Nassella cernua Andrea Edwards, Pam De Vries 2006-5-15 113 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA0080162  Nassella lepida Orlando Mistretta 1992-7-9 667 Los Angeles San Gabriel Mtns: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA3589  Nasturtium officinale C. B. Wolf 1932-5-12 3606 Los Angeles Middle Ranch Canyon, near bridge on lower road to Isthmus, Santa Catalina Island 30 Comment
  RSA611058  Nasturtium officinale L. C. Wheeler 1968-5-15 s.n. Los Angeles San Antonio Canyon; T2N R8W S36, SW/4 975 Comment
  RSA601119  Navarretia atractyloides L. C. Wheeler 1967-6-26 9880 Los Angeles Elsmere Canyon. 441 Comment
  RSA661007  Navarretia hamata subsp. hamata LeRoy Gross, Steve Larson, Valerie Soza 2001-5-31 388 Los Angeles Vedugo Mountains Region: Southeast side. Dead Horse Canyon, along road (Heather Ridge Dr.) 335 Comment
  RSA469834  Navarretia hamata subsp. hamata Sam Tyson 1942-6-19 s.n. Los Angeles San Dimas Canyon, San Gabriel Mountains. 1067 Comment
  SBBG3750  Nemacladus rubescens R. Hoffmann 1929-5-20 Los Angeles Roosevelt Comment
  SEINET10939182  Nemacladus rubescens Hoffman 1929-5-20 HOFFMAN s.n. Los Angeles Roosevelt Comment
  RSA0068082  Nemacladus secundiflorus R. G. Swinney 2010-5-19 12841 Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  SD87770  Nemacladus sigmoideus Frank W. Peirson 1927-5-7 7265 Los Angeles 4.0 miles east of Lancaster. Comment
  SEINET10460885  Nemacladus sigmoideus Gustafson 1982-4-26 GUSTAFSON 2028 Los Angeles Fort Tejon Road, about 1 mile west of the junction with 121st Street 1006 Comment
  RSA595452  Nemophila menziesii var. menziesii Tim S. Ross, Victor W. Steinmann 1995-5-8 8570 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  SEINET3156503  Nemophila racemosa G. B. Grant, W. Wheeler 1904-4-21 831 /3671 Los Angeles On Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA729842  Nicotiana attenuata R. G. Swinney 1999-6-18 7335 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  OBI9179  Nicotiana glauca Unknown 1960-5-29 s.n. Los Angeles Chatsworth, Lake side Comment
  RSA3500  Nicotiana glauca Carl B. Wolf 1932-5-9 3443 Los Angeles Pebbly Beach, Santa Catalina Island. 8 Comment
  RSA80765  Nicotiana glauca F. W. Peirson 1920-4-25 352 Los Angeles Arroyo Seco Canyon, near Pasadena, Ca. 381 Comment
  UC68731  Nicotiana quadrivalvis H. M. Hall 1905-7-23 6711 Los Angeles San Francisquito Canyon 762 Comment
  UC72710  Nitrophila occidentalis Geo. B. Grant July 1902 841 Los Angeles Santa Monica Comment
  CAS-BOT-BC71161  Notholaena californica Louis C. Wheeler 1932-7-9 955 Los Angeles 3/4 mi. from mouth Rogers Canyon, San Gabriel Mts. 304 Comment
  RSA0069829  Nuttallanthus texanus R. G. Swinney 2010-3-22 11998 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR167550  Oenothera deltoides S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  SEINET10457478  Olea europaea Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4765 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SBBG12222  Oligomeris linifolia P. H. Raven 1962-5-8 17601 Los Angeles near S end of Seal Cove 15 Comment
  SBBG133005  Oligomeris linifolia J. Dunn 2003-5-9 JD 20035 Los Angeles S of Seal Cove on first terrace Comment
  SFV12551  Opuntia basilaris M. H. Grayum, D. L. Koutnik 1977-11-25 885 Los Angeles San Gabriel Mountains Sierra Pelona Valley. Along Anthony Road. 884 Comment
  CAS-BOT-BC56819  Opuntia basilaris var. basilaris W. R. Dudley; F. H. Lamb 1896-6-7 4344 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  POM311451A  Opuntia ficus-indica Lyman Benson 1963-3-22 16242 Los Angeles San Gabriel Mountains. Top of alluvial fan above (north of) Cucamonga. 457 Comment
  POM311524  Opuntia ficus-indica Lyman Benson 1963-6-20 16342 Los Angeles Pomona, Walnut Ave. 1/4 mile from Puddingdtone Ave just north of Carrion House. 274 Comment
  RSA228953  Oreonana vestita R. F. Thorne 1971-8-25 41283 Los Angeles San Gabriel Mts., Angeles National Forest. Along trail from Windy Gap to Mt. Hawkins. 2439 Comment
  RSA458969  Oreonana vestita Fred Burlew 1916-08 s.n. Los Angeles Mt. San Antonio Comment
  RSA595126  Orobanche fasciculata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8568 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
  UCR206423  Orobanche fasciculata R. G. Swinney 2008-6-4 8948 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  RSA0077922  Orobanche fasciculata Ivan M. Johnston 1917-6-20 1908 Los Angeles Camp Baldy. 1371 Comment
  RSA402081  Orthocarpus purpurascens Unspecified 1884-4-30 s.n. Los Angeles [No location information provided.] Comment
  RSA650602  Orthocarpus purpurascens J. Doty 1969-4-19 626 Los Angeles east side of Bouquet Canyon road, 6.9 miles north of junction with Francisquito Canyon road; San Gabriel Mountains. 488 Comment
  RSA591067  Orthocarpus purpurascens var. purpurascens J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10915 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  SEINET6645789  Oxalis albicans G. B. Grant 898 Los Angeles Pasadena Comment
  UCR205558  Oxalis corniculata R. G. Swinney 2008-5-30 8883 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  CDA43232  Oxalis pes-caprae Michael O Brien 2009-2-1 s.n. Los Angeles La Piedra State Beach. 0 Comment
  RSA608362  Oxytheca trilobata Louis C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. 1433 Comment
  UCR248299  Oxytheca trilobata Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 400 Los Angeles San Gabriel Mountains, Road 7N23, Liebre Mountains 1484 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
  RSA592893  Paeonia californica Louis C. Wheeler 1967-4-30 9226 Los Angeles Limekiln Canyon 564 Comment
  RSA603228  Panicum capillare L. C. Wheeler 1932-9-19 1398 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  CAS-BOT-BC274173  Pappostipa speciosa A. D. E. Elmer 1902-6-1 3709 Los Angeles Acton Comment
  CATA3127  Parapholis incurva Amy Catalano 2016-5-26 133 Los Angeles Santa Catalina Island: Drainage between upper and lower Buffalo Springs Reservoirs 382 Comment
  SBBG89763  Parietaria hespera var. californica F. R. Fosberg 1931-3-24 4349 Los Angeles Hamilton Cyn 50 Comment
  RSA605815  Paspalum dilatatum L. C. Wheeler 1966-10-27 9095 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  RSA733305  Paspalum vaginatum R. E. Riefner 2005-11-4 5 -744 Los Angeles City of Malibu, Zuma Lagoon, Westward Beach Road. 3 Comment
  HSC101612  Passiflora caerulea Steve Boyd, Rick Riefner 2007-4-27 11742 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
  RSA729975  Pectocarya penicillata R. G. Swinney 1999-4-5 7038 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  SEINET3084019 Image available Pectocarya penicillata A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7777 Los Angeles Mojave Desert, near Quartz Hill in Lancaster, S of Ave. L at 37th St. West. Comment
  IRVC29541  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  UCR184211  Pectocarya setosa A. C. Sanders 2007-4-19 33449 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA401943  Pedicularis densiflora Freda Detmers 1929-2-24 s.n. Los Angeles Laurel Canyon Comment
  RSA425310  Pedicularis semibarbata Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  UCR141027  Pedicularis semibarbata June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  SFV21847  Pellaea andromedifolia G. Beall, J. D. Dilley 1997-2-1 3 Los Angeles San Gabriel Mountains Colby Creek Canyon, along trail 110 yards from road and 20 feet from creek bed. 1065 Comment
  UCR88513  Pellaea andromedifolia Scott D. White, C. McGaugh 1995-5-16 3057 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  UCSC001087  Pellaea mucronata Steve Castagnoli 1980-5-8 124 Los Angeles Colby Canyon, San Gabriel Mts, Mt Lowe 1585 Comment
  RSA686888  Pellaea mucronata subsp. californica L. L. Kiefer 1963-3-10 449 Los Angeles San Gabiel Mountains; Mount Baldy. Comment
  CATA3506  Pennisetum setaceum Julia Parish 2017-11-5 039 Los Angeles Santa Catalina Island: Avalon; intersection of East Whittley Ave and Country Club Dr. at the Southern California Edison retention pond 64 Comment
  RSA595277  Pennisetum setaceum D. L. Banks, Eric H. Roalson 1996-4-29 917 Los Angeles Claremont, naturalized along the walls of abandoned buildings at the corner of Baseline Road and Monte Vista Ave. Comment
  RSA712716  Pennisetum setaceum A. C. Sanders 2003-3-14 25757 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
  SBBG118807  Penstemon centranthifolius G. D. Wallace with M. Wallace 1983-5-20 2073 Los Angeles Aliso Cyn rd between Acton and Angeles Nat Forest Hwy Comment
  SBBG66479  Penstemon centranthifolius M. N. Ackley -May-1922 1085 Los Angeles La Crescenta 457 Comment
  UCR252888  Penstemon centranthifolius R. G. Swinney 2010-5-11 12650 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
  RSA0047919  Penstemon grinnellii R. G. Swinney 2010-9-23 13874 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA296357  Penstemon grinnellii subsp. grinnellii R. C. Bacigalupi 1952-8-9 3906 Los Angeles summit of Blue ridge directly south of Wrightwood and above Swartout Valley, near Guffey Public Camp. 2439 Comment
  RSA746639  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2008-6-4 8929 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  NY601191  Penstemon grinnellii var. grinnellii R. M. Straw 1954-6-7 599 Los Angeles Upper San Gabriel River canyon, Crystal Lake, San Gabriel Mountains 1524.0 Comment
  RSA738049  Penstemon heterophyllus Bill Duval s.n. Los Angeles Montrose 61 Comment
  PASA877  Penstemon heterophyllus Loletta Hiebert Los Angeles Flintridge Comment
  LA201755  Penstemon heterophyllus var. australis Arthur C. Gibson; 2001-5-18 4810 Los Angeles Comment
  RSA0019900  Penstemon labrosus Orlando Mistretta, Christine Mistretta 2011-6-29 5760 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, near microwave tower 0.5 miles SE of summit. 1945 Comment
  RSA774793  Penstemon labrosus R. G. Swinney 2009-7-23 11391 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC1871301  Penstemon labrosus T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3896 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Comment
  SEINET13383122 Image available Penstemon spectabilis R. G. Swinney 2010-1 12108 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  POM305924  Penstemon spectabilis Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1224 Los Angeles Altadena, North Craig Ave. Comment
  POM199722  Penstemon spectabilis subsp. subviscosus I. W. Clokey, Bonnie C. Templeton 1929-03 4475 Los Angeles Open roacky ridge. 300 Comment
  POM7645  Penstemon spectabilis subsp. subviscosus C. F. Baker 1903-7-20 3348 Los Angeles Claremont. Comment
  RSA607094  Penstemon spectabilis subsp. subviscosus Louis C. Wheeler 1932-7-2 905 Los Angeles Brown's Flat 1311 Comment
  RSA719745  Penstemon spectabilis var. subviscosus R. G. Swinney, Dave Larson 1996-8-7 5231 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  UC56687  Penstemon spectabilis var. subviscosus Ernest Braunton 1903-1-15 806 Los Angeles Glendora Comment
  RSA0065221  Pentagramma triangularis Mark Hoefs 1973-3-13 70 Los Angeles Santa Catalina Island: upper Avalon Canyon, west of Memorial. 259 Comment
  LA94209  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-26 1789 Los Angeles SANTA MONICA MOUNTAINS, Woodland Hills, Mulholland Hwy [prob Dr.], ca 1 mi W of Topanga Canyon Rd. 304 Comment
  RSA687364  Pentagramma triangularis subsp. triangularis Blanche Trask 1900-03 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  SBBG70204  Peritoma arborea E. Rockwell -May-1929 Los Angeles Arcadia, Ridge St Hwy Comment
  SD255768  Phacelia brachyloba R. G. Swinney 2011-6-22 15257 Los Angeles San Gabriel Mountains; Devils Peak, SE of Doe Spring on ridge SE of Mt. Mooney west of Devils Canyon, 0.4 mile east of Angels Crest Highway. 1780 Comment
  UCR256175  Phacelia brachyloba R. G. Swinney 2010-6-4 13061 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  LA26125  Phacelia cicutaria var. hispida Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  LA38561  Phacelia cicutaria var. hispida W. O. Griesel; May 1938 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  RSA131238  Phacelia cicutaria var. hispida Percy C. Everett, E. K. Balls 1959-6-2 23824 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  UCR183500  Phacelia ciliata A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33536 Los Angeles Western Transverse Range; Liebre Mtns. Region, south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch 976 Comment
  RSA0055985  Phacelia distans Richard G. Swinney 2010-3-22 12037 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA772304  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles summit of Mt. Emma. 1585 Comment
  UC1069241  Phacelia distans A. D. Gifford 1935-3-17 493 Los Angeles 2 1/2 mi sw Red Mountain; Angeles National Forest, Tejon Quadrangle Comment
  UCR221911  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR231151  Phacelia distans R. F. Thorne, James Henrickson 1963-5-5 32311 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills, Cobal Canyon, 4 miles north of Claremont 518 Comment
  UCR256155  Phacelia distans R. G. Swinney 2010-6-4 13052 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
  UC24485  Phacelia distans Harley P. Chandler 1897-3-12 Los Angeles Claremont 365 Comment
  POM3794  Phacelia egena I. M. Johnston 1918-7-6 2092 Los Angeles Prairie Fork of San Gabriel River. 2058 Comment
  RSA579501  Phacelia egena Tim S. Ross, Steve D. Boyd 1994-6-23 8044 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA775876  Phacelia fremontii Orlando Mistretta, Christine Mistretta 2010-5-26 5212 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  RSA783256  Phacelia fremontii J. D. Olmsted 1959-4-25 473 Los Angeles 1 mile NNE of Valyermo P.O. along Holcomb Ridge east of the road from Wrightwood to Pearblossom 1128 Comment
  UCR124559  Phacelia fremontii B. C. Templeton 1932-6-1 5062 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2330 Comment
  LA38512  Phacelia grandiflora M. Zaitlin; 1951-5-18 sn Los Angeles Comment
  UCR19173  Phacelia hubbyi John C. Roos 1947-5-4 3603 Los Angeles San Gabriel Valley, Kellogg Hill, in hills west of Pomona 305 Comment
  RSA729812  Phacelia imbricata subsp. patula R. G. Swinney 1998-6-10 6381 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA187965  Phacelia lyonii Robert F. Thorne 1966-4-5 35810 Los Angeles Santa Catalina Island. Along small stream in Middle Ranch Canyon below Stage Station SW of Eagles Nest. 76 Comment
  UC131489  Phacelia minor Alice Eastwood 1891-3-28 Los Angeles Pasadena Comment
  UC1426010  Phacelia minor Donald R. Bissing 1973-5-18 82 Los Angeles ne slope of canyon 0.7 mi from canyon mouth; San Gabriel Mountains, Evey Canyon 780 Comment
  LA33994  Phacelia parryi Henry J. Thompson; 1959-3-31 1906 Los Angeles Santa Monica Mountains, Medea Creek, Cornell Rd, 1 mi N of Mulholland Hwy, 1.8 mi S of Malibu Junction 274 Comment
  CAS-BOT-BC154276  Phacelia ramosissima Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel river Comment
  LA81948  Phacelia ramosissima var. latifolia O. H. Kappler; 1943-5-23 466 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA428276A  Phacelia ramosissima var. latifolia F. R. Fosberg 1930-7-3 3927 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  UCR265023  Phacelia tanacetifolia Mitch Provance, Callen Huff 2009-4-28 10671 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  RSA670722  Phacelia tanacetifolia Bonnie C. Templeton, I. W. Clokey 1930-4-8 1029 Los Angeles Mojave Desert, W of Lancaster. 400 Comment
  UCSB5436  Phacelia tanacetifolia Wedberg, H. 1958-4-11 Los Angeles One mile north-west of Pearblossom Comment
  RSA623469  Phalaris aquatica L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mountains: Susanna Canyon, 1/4 mile upstream from mouth (San Gabriel Reservoir). Comment
  POM50687  Phalaris minor Le Roy Abrams 1901-04 1460 Los Angeles Inglewood Comment
  SD90273  Phalaris minor Robert F. Thorne 1973-4-12 42891 Los Angeles San Clemente Island; roadside among old buildings at old airfield 299 Comment
  POM356900  Phalaris minor F. R. Fosberg 1930-6-26 S 3005 Los Angeles Culver Garden. Comment
  SEINET10630704  Phaseolus vulgaris Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2546 Los Angeles City of Los Angeles. Little Tokyo. Enbun Market, 124 Japanese Village Plaza. Comment
  UC2071508  Phlebodium aureum R. E. Riefner Jr. 2015-12-13 15 -469 Los Angeles City of Malibu, Eastern Malibu, N side Pacific Coast Highway at Carbon Mesa Road W of Carbon Canyon Road. Comment
  RSA726060  Phlox diffusa R. G. Swinney 1997-6-25 5632 Los Angeles San Gabrial Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  SBBG37807  Pholistoma auritum R. Moran 1941-3-7 684 Los Angeles Middle Ranch 200 Comment
  SBBG95478  Pholistoma auritum M. B. Dunkle 1929-4-7 2089 Los Angeles White's Landing Comment
  UC880869  Pholistoma auritum F. R. Fosberg 1931-4-13 S 4592 Los Angeles right fork Pebble Beach Canyon; Santa Catalina Isl., Pebble Beach Canyon 30 Comment
  JEPS96577  Pholistoma auritum var. auritum Dean W. Taylor 1992-5-1 12490 Los Angeles 1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2) 1219 Comment
  RSA459288  Pholistoma membranaceum Robert Gustafson, Gary D. Wallace 1982-4-26 2519 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  RSA575201  Phoradendron pauciflorum Vanessa Ashworth, Nigel Boyle 1994-11-5 77 Los Angeles SE-facing slope just past Mt. Baldy ski lift immediately before end of paved road. Comment
  CAS-BOT-BC141160  Phoradendron serotinum subsp. macrophyllum Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  RSA683945  Phyllospadix scouleri E. Yale Dawson 1957-2-10 16052 Los Angeles Malibu Beach at end of Latigo Shore Road Road Comment
  LA200955  Phyllospadix torreyi John Bleck; 1965-10-2 Los Angeles 0 Comment
  RSA472033  Picris echioides A. M. Johnson 1933-5-17 s.n. Los Angeles Del Rey Salt Marsh. Comment
  UCR272926  Pinus halepensis Steven A. Junak 2000-10-14 SCa- 1418 Los Angeles Channel Islands, Santa Catalina Island, west flank of Black Jack Peak, above road to summit of peak, overlooking Black Jack Campground 527 Comment
  RSA0078386  Pinus lambertiana R. G. Swinney 2010-10-8 14007 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  RSA384362  Pinus monophylla George B. Grant 1903-1 989 Los Angeles Mt. Lowe Comment
  UCR124708  Pinus ponderosa B. C. Templeton 1932-6-19 4925 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  SBBG56395  Pinus sabiniana R. Hoffmann 1927-9-21 Los Angeles Sandberg's Comment
  RSA657217  Pinus torreyana Scarlett Mellin 1994-5-28 29 Los Angeles Diamond Bar Hills; Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive Comment
  CATA378  Piperia cooperi Mark L. Hoefs 1974-4-30 436 Los Angeles Santa Catalina Island: Hermit's Gulch, by trail 167 Comment
  RSA642717  Piperia elongata Orlando Mistretta 1992-7-13 685 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA382807  Piperia michaelii George Henry Grinnell 1929-4-15 s.n. Los Angeles Eagle Rock. Comment
  RSA382797  Piperia transversa George Henry Grinnell 1938-6-14 s.n. Los Angeles Near Malibu on Seminole Mountain. Comment
  CDA20542  Piptatherum miliaceum M. O'Brien 2005-7-3 MOB 4 -05 Los Angeles South Coast; La Piedra State Beach. 0 Comment
  UCR273442  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
  CAS-BOT-BC71778  Pityrogramma triangularis var. viscosa Grant 1900-3-29 2381 Los Angeles Avalon, Santa Catalina I. Comment
  RSA702542  Plagiobothrys arizonicus Scott D. White 2004-5-5 10306 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
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Dec 20 2007
  RSA614333  Plagiobothrys arizonicus L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs Canyon Substation. Soledad Canyon just west of Angeles Forest Highway. 975 Comment
  LA210027  Plagiobothrys canescens F. R. Fosberg; 10648 Los Angeles Santa Catalina Island, Ridges of Grand Canyon Comment
  POM3729  Plagiobothrys canescens L. T. Street, Williams 1919-4-12 2501 Los Angeles hills S of Covina Comment
  POM47619  Plagiobothrys collinus var. fulvescens F. W. Peirson 1921-6-15 997 Los Angeles Trail from Pine Flats to Chilao 1677 Comment
  SBBG113138  Plagiobothrys collinus var. gracilis S. A. Junak 1997-3-28 SCa 400 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 Comment
  UCR94690  Plagiobothrys leptocladus A. C. Sanders, E. J. Lott 1993-5-6 13948 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  POM368883  Plagiobothrys nothofulvus T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA719060  Plagiobothrys nothofulvus R. G. Swinney 1998-4-13 5948 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  POM3831  Plagiobothrys nothofulvus O. W. Robinson 1916-3-21 s.n. Los Angeles Wash near Greek Theater, Claremont. Comment
  SD69598  Plantago coronopus Robert Thorne, P. Everett 1965-5-11 Los Angeles Salt flat behind N beach at Little Harbor; Santa Catalina Island; 2 Comment
  SBBG91835  Plantago erecta S. A. Junak 1978-4-15 SCa 025 Los Angeles landslide area, N side of Cherry Valley, on slopes above Boy Scout Camp 60 Comment
  UC56865  Plantago erecta H. M. Hall 1902-5-11 3265 Los Angeles Sierra Santa Monica Comment
  POM277141  Plantago erecta E. S. Steele, H. S. Pratt 1935-3-3 s.n. Los Angeles Eagle Rock hills Comment
  CATA1053  Plantago lanceolata Mark L. Hoefs 1995-5-10 1985 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  RSA412536  Plantago major Dolores Bullock 1931-7-6 20631 Los Angeles S Broadway, Los Angeles Comment
  RSA641426  Platanthera sparsiflora Louis C. Wheeler 1967-7-15 10019 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA730706  Platanthera sparsiflora Richard G. Swinney 1997-5-31 5532 Los Angeles near Mt. Baldy School, south of Mt. Baldy village, c. 75 m east of San Antonio Canyon. Spring dense marshy meadow. 1280 Comment
  CAS-BOT-BC93187  Platanus racemosa Joseph Andorfer Ewan 1937-8-23 11050 Los Angeles San Gabriel Mountains. Tijuga Creek near mouth of canyon. Comment
  UCSB9367  Platanus racemosa Lloyd, Robert 1959-3-27 Los Angeles 1/2 mi S of dam in San Dimas Cyn; stream bed west of the San Dimas Cyn Road; San Gabriel Mt Range 365 Comment
  RSA445697  Platystemon californicus John P. Hill 1929-4-15 s.n. Los Angeles Verdugo Woodlands Comment
  SD237541  Platystemon californicus R. G. Swinney 2009-5-13 10763 Los Angeles Transverse Range: San Gabriel Mountains: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Road, immediately NW of Cima Mesa, Juniper Hills (Juniper Hills 7.5'Q) 1121 Comment
  POM6277  Platystemon californicus Caroline S. Weinland s.n. Los Angeles Indian Hill. Claremont. 366 Comment
  RSA709689  Platystemon californicus var. crinitus LeRoy Gross 2005-4-28 2178 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  CDA38756  Plecostachys serpyllifolia M. O Brien 2012-10-7 s.n. Los Angeles La Piedra State Beach. 0 Comment
  RSA433738  Plectritis macrocera Anstruther Davidson 1890-3-30 s.n. Los Angeles Near River Reservoir. Comment
  POM21359  Pluchea odorata Fordyce Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom, near Los Angeles. Comment
  SEINET3161607  Plumbago capensis D. B. Dunn 1951-8-20 7624 Los Angeles at 4911 Pasadena Ave. Terrace, L.A. 4 244 Comment
  SEINET13384064 Image available Poa bulbosa subsp. vivipara R. G. Swinney 2011-1 15308 Los Angeles Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  CAS-BOT-BC237686  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-25 321 Los Angeles On and above cutbank on county road N2 1219 Comment
  RSA579432  Poa secunda Timothy S. Ross 1994-5-31 7967 Los Angeles Pacifico Mountain: ca. 530 m. due W of the summit of 7124 ft. A low saddle-like area, functionally the head of Santiago Canyon. 2006 Comment
  RSA640239  Poa secunda R. F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41603 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  UCR277111  Poa secunda R. G. Swinney 2011-4-19 14408 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  CAS-BOT-BC236201  Poa secunda subsp. secunda A. J. McClatchie 189_ 2 Los Angeles Pasadena Comment
  UCD91683  Poa secunda subsp. secunda P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Canyon by golf-links. Comment
  UCD91689  Poa secunda subsp. secunda Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the W end of the San Fernando Valley. 365 Comment
  RSA65558  Polycarpon depressum F. W. Peirson 1918-6-4 46 Los Angeles Burned area in Hlls east of Rubio Canyon Comment
  CAS-BOT-BC419774  Polygonum argyrocoleon John Thomas Howell 1948-7-2 24770 Los Angeles Palos Verdes Hills Comment
  UCR217310  Polygonum aviculare R. G. Swinney 2009-3-10 10076 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  SEINET11931562  Polygonum douglasii R. F. Thorne, Tilforth, C. W.; Nilsson, S. 1972-1 42180 Los Angeles San Gabriel Mts, Angeles National Forest: dry margin of Big Meadow, Big Pines 2088 Comment
  CDA22823  Polygonum lapathifolium T. C. Fuller 1958-8-5 Los Angeles San Gabriel Boulevard Bridge, 1 mile east of Rosemead Boulevard. 0 Comment
  LA33811  Polypodium californicum Henry J. Thompson; 1959-2-20 1834 Los Angeles Santa Monica Mountains, La Tuna Canyon, 0.5 mi above ocean 76 Comment
  LA4266  Polypodium californicum A. M. Johnson; 1934-3-16 4346 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  LA94063  Polypodium californicum Lawrence L. Kiefer; 1966-3-20 1752 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 0.5 mi below Fernwood. 213 Comment
  POM12188  Polypodium californicum M. L. Kendall 1921-2-13 33 Los Angeles Palmer's Canyon 548 Comment
  UC1713557  Polypodium californicum Marcus E. Jones, A. M. 1924-2-15 Los Angeles San Antonio Canyon Claremont Comment
  RSA535336  Polypodium californicum T. S. Ross 1991-5-21 5396 Los Angeles San Clemente Island: upper easterly branch of Box Canyon 457 Comment
  CATA550  Polypogon interruptus Mark L. Hoefs, Robert F. Thorne 1975-8-7 814 Los Angeles Santa Catalina Island: By reservoir at Middle Ranch 213 Comment
  RSA595589  Polypogon monspeliensis Lauren Raz, Steve Boyd 1996-10-23 52 Los Angeles Liebre Mountains. Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. 609 Comment
  SEINET2473452 Image available Polypogon monspeliensis Richard G. Swinney 2009-1 10392 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. 210 Comment
  UC729670  Polypogon monspeliensis Carl B. Wolf 1932-5-9 3427 Los Angeles on road to Pebbly Beach 1/2 mi from Avalon Santa Catalina Island (Santa Catalina Island); , rd to Pebbly Beach 7 Comment
  RSA799896  Polystichum imbricans Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 4 Los Angeles Glendora Ridge Road 1288 Comment
  RSA693285  Polystichum scopulinum M. B. Dunkle 1933-6-17 3602 Los Angeles San Antonio River Canyon 915 Comment
  RSA573698  Populus balsamifera subsp. trichocarpa Tim S. Ross 1990-8-17 3154 Los Angeles Icy springs in upper Big Rock Creek 1752 Comment
  POM360753  Populus fremontii L. E. Hoffman 1931-11-9 s.n. Los Angeles Lower Big Rock Creek. Comment
  LA212147  Populus fremontii Elwood Fordham; 1951-4-20 s.n. Los Angeles Chatsworth Hills, near lake. Comment
  RSA613497  Portulaca oleracea L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  LA34193  Potamogeton pectinatus Peter H. Raven; Henry J. Thompson 1959-10-18 14672 Los Angeles Santa Monica Mountains, Medea Creek, mouth of Medea Creek, N arm of Malibu Lake 220 Comment
  UCR210133  Potentilla glandulosa R. G. Swinney 2008-8-13 9390 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  RSA567309  Prunus ilicifolia Tim S. Ross 1990-6-28 3987 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  SBBG79685  Pseudognaphalium biolettii F. R. Fosberg 1932-5-5 8112 Los Angeles hill N of Avalon 40 Comment
  SFV3675  Pseudognaphalium biolettii P. M. Kennamer 1959-3-23 s. n. Los Angeles Santa Susana Mountains Santa Susana Pass Road, hill southeast of entrance to Iverson Ranch. West facing slope. 396 Comment
  UC303989  Pseudognaphalium californicum S. B. Parish 1918-6-5 11867 Los Angeles Playa del Rey, coastal dunes Playa del Rey Comment
  LA25984  Pseudognaphalium microcephalum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  UCR155349  Psilocarphus brevissimus A. C. Sanders 2005-5-11 30134 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  RSA719731  Pteridium aquilinum var. pubescens R. G. Swinney 1996-8-7 5212 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown s Flat 1317 Comment
  SBBG76976  Pteridium aquilinum var. pubescens F. R. Fosberg 1931-5-7 4834 Los Angeles Cottonwood Cyn, right fork 200 Comment
  UC1495652  Pteridium aquilinum var. pubescens Robert T. Clausen 1963-4-6 63037 Los Angeles Solstice Canyon; Santa Monica Mts 35 Comment
  RSA228973  Pterospora andromedea R. F. Thorne 1971-8-25 41292 Los Angeles San Gabriel Mts., Angeles National Forest: Above Little Jimmy Springs along trail to Windy Gap 2287 Comment
  RSA229100  Pterospora andromedea R. F. Thorne 1969-7-29 38872 Los Angeles Near Lodgepole Picnic ground at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Hwy., 1.2 mi. SE of Dawson saddle. 2332 Comment
  RSA188097  Pterostegia drymarioides Robert F. Thorne, Percy C. Everett 1965-6-22 34844 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  RSA586345  Pterostegia drymarioides Orlando Mistretta 1995-3-17 1548 Los Angeles San Gabriel Mountains: slopes NW of Little Rock Reservoir. On Emma section of Little Rock creek Managment Unit. 1250 Comment
  RSA452003  Pterostegia drymarioides E. Crow 1928-4-11 237 Los Angeles Puddingstone Canyon Hills, S of San Dimas. Comment
  CAS-BOT-BC158661  Purshia tridentata var. glandulosa Elmer I. Applegate 1931-11-8 7004 Los Angeles 5 miles east of Little Rock, Big Rock Ranger Station, Big Rock Creek, north base of the San Gabriel Mountains Comment
  UC1128514  Purshia tridentata var. glandulosa R. St. John 1930-2-26 104 Los Angeles Hungry Valley and Peace Valley; Tejon Quad. 914 Comment
  SBBG31078  Quercus X macdonaldii R. F. Thorne 1966-4-28 36189 Los Angeles small stream running S of Hay Press Reservoir 396 Comment
  SBBG95458  Quercus X macdonaldii M. B. Dunkle 1928-10-14 20117 Los Angeles Renton Mine Comment
  UCD46915  Quercus X macdonaldii Mrs. Blanch Trask 1909-4-23 s.n. Los Angeles Catalina Isl. Comment
  UCD46917  Quercus X macdonaldii Robert F. Thorne 1966-9-15 36702 Los Angeles Santa Catalina Island: Cape Canyon near small reservoir; 320 Comment
  POM187673  Quercus berberidifolia Joseph A. Ewan 1931-10-24 5259 -c Los Angeles Santa Monica Mountains Comment
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Mar 9 2015
  RSA476594  Quercus berberidifolia Bonnie C. Templeton 1931-4-29 s.n. Los Angeles Mulholland Drive Comment
  RSA653519  Quercus berberidifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 280 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  RSA655466  Quercus berberidifolia LeRoy Gross 2000-11-12 325 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. 412 Comment
  UCR191291  Quercus berberidifolia T. B. Salvato 2008-4-22 3306 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  UCSB34840  Quercus berberidifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona 274 Comment
  RSA0030743  Quercus berberidifolia Sandy Leatherman 1998-11-10 62 Los Angeles E of Bouquet Canyon road, S of Esquerra 610 Comment
  CAS-BOT-BC62563  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1994-9-21 8304 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; 1623 Comment
  SBBG26454  Quercus chrysolepis R. F. Thorne with M. Z. Thorne 1966-5-31 Los Angeles ridge running from S end of Mt Orizaba, S side of S fork of Fern Cyn 487 Comment
  UCR187130  Quercus douglasii A. C. Sanders 2006-5-16 32361 Los Angeles Transverse Range; Liebre Mtns. Region, south of Hwy 138, 1.5 mi. ESE of Quail Lake in the San Andreas Rift Zone, NE of the Old Ridge Route 1037 Comment
  SD244717  Quercus dumosa David Keil 1986-9-27 19735 2 Los Angeles Along I-5, just south of Hungry Valley Road exit, roadside pullout 914 Comment
  UCD45853  Quercus dumosa J. Ewan 1931-10-24 5259 a Los Angeles Dominant plant on warm slope series of 3 forms (5259 abc) collected on acre area. One mile above Malibu Lake on Seminole Springe Rd., Los Angeles Co. Santa Monica Mts. Comment
  UCD45859  Quercus dumosa F. R. Fosberg 1931-7-16 S 5435 Los Angeles Location: Gallaghers Canyon, Santa Catalina Islands, Los Angeles Co. 100 Comment
  UCR180023  Quercus durata R. G. Swinney, Dave Larson 1996-8-7 5225 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  POM121997  Quercus durata var. gabrielensis Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  RSA87167  Quercus durata var. gabrielensis F. W. Peirson 1919-4-19 5341 Los Angeles Pacoima Canyon, west end of San Gabriel Mountains 534 Comment
  UCR203970  Quercus durata var. gabrielensis D. E. Bramlet 2007-7-12 4107 Los Angeles San Gabriel Mountains, La Verne, 152 m north of Baseline, 1.37 km west of Live Oak Canyon Road and 1.28 km east of Marshall Creek Comment
  UCR270167  Quercus durata var. gabrielensis R. G. Swinney 2011-4-9 14370 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  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-BC94161  Quercus engelmannii Louis C. Wheeler 1931-10-11 252 Los Angeles Thompson Wash 3 mi NE La Verne 403 Comment
  UC847939  Quercus engelmannii L. W. Nuttall 1920-5-7 149 Los Angeles Santa Catalina Island Comment
  RSA587491  Quercus john-tuckeri Orlando Mistretta 1994-9-13 1476 Los Angeles Santiago Canyon; Santiago Creek near junction of Forest Road 4N20 and BM 3980. 1213 Comment
  UCR146148  Quercus kelloggii June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, 0.5 mile west of Big Pines Ranger Station 2073 Comment
  UCR127398  Quercus lobata A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25564 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UC216195  Quercus lobata A. J. McClatchie 1896-4-20 1129 Los Angeles Oak Knoll [near Pasadena] Comment
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Mar 20 2018
  CATA1783  Quercus pacifica Benjamin E. Carter, John R. Clark 2012-8-9 6961 Los Angeles Santa Catalina Island: Bulrush Canyon, between reservoirs and Salta Verde turnoff 270 Comment
  RSA476562  Quercus pacifica F. R. Fosberg 1931-5-5 S 4771 Los Angeles Santa Catalina Island, Bullrush Canyon 60 Comment
  RSA12786  Quercus tomentella Percy C. Everett 1934-10-1 6207 Los Angeles Santa Catalina Island, east fork of Pebby Beach Canyon, 0.25 miles above Mexican Houses 122 Comment
  RSA157794  Quercus tomentella Peter H. Raven 1962-5-10 17726 Los Angeles Head of Horse Canyon, the large canyon west of Thirst, San Clemente Island 488 Comment
  UCR108598  Quercus tomentella F. C. Boutin 1967-4-23 1659 Los Angeles Channel Islands, E side of San Clemente Island, Lemon Tank, a dump site 305 Comment
  SFV21087  Quercus wislizeni var. frutescens L. Gross, V. Soza, N. Gilbert 2000-10-18 292 Los Angeles Verdugo Mountains Hostetter Mountainway. Along roadside near above coordinates. 915 Comment
  SFV6247  Quercus wislizeni var. frutescens M. H. Grayum, D. Gillen 1974-5-31 s. n. Los Angeles Santa Susana Mountains North side of Oat Mountain, along main ridge road. 1021 Comment
  SD53048  Rafinesquia californica Peter H. Raven 1962-5-22 17821 Los Angeles Santa Catalina Island, open grassland above Emerald Bay 120 Comment
  POM99239  Ranunculus hebecarpus Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  CATA1252  Raphanus raphanistrum Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2332 Los Angeles Santa Catalina Island: Catalina Harbor 3 Comment
  UCR186697  Raphanus sativus T. B. Salvato, Sandra Murcia 2007-3-28 2002 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
  RSA512050  Raphanus sativus L. C. Wheeler 1967-5-13 9507 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  SEINET3840105  Rehmannia angulata Unknown 1939-7-10 Los Angeles Los Angeles campus Comment
  RSA652635  Rhamnus californica subsp. californica Marion P. Harthill 1974-5-23 1514 Los Angeles Crystal Lake Rd., Rt. 39. 1098 Comment
  SEINET13946324 Image available Rhamnus crocea Paul Gripp 1954-1 s.n. Los Angeles Mt. Gleason Road Comment
  RSA7796  Rhamnus ilicifolia Carl B. Wolf 1927-7-24 670 Los Angeles 1/2 mi east of Montrose 457 Comment
  UCR17448  Rhamnus ilicifolia N. R. Zabriskie, W. W. Zabriskie 1970-4-12 282 Los Angeles San Gabriel Valley, E bank of Arroyo Seco, downstream from La Loma Street Bridge, extreme SW area of Pasadena 213 Comment
  UCR272352  Rhamnus ilicifolia R. G. Swinney 2011-3-15 14095 Los Angeles San Gabriel Mountains, Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park 232 Comment
  CAS-BOT-BC59793  Rhamnus pirifolia S. B. Parish 1916-3-31 5761 Los Angeles Santa Catalina Island. Comment
  RSA390858  Rhamnus pirifolia Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  SBBG105503  Rhamnus pirifolia R. F. Thorne 1966-9-16 36718 Los Angeles Renton Mine Rd, near upper end Pebbly Beach Cyn 259 Comment
  SBBG30983  Rhamnus pirifolia R. N. Philbrick 1964-6-12 B 64 -1 Los Angeles Black Pt, Lorenzo Beach area Comment
  UCR223461  Rhus aromatica R. G. Swinney 2009-6-8 11094 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
  UCSB24061  Rhus aromatica Wheeler, Louis 1932-4-9 Los Angeles Kings Canyon near Elizabeth Lake 1036 Comment
  POM8499  Rhus integrifolia P. A. Munz, R. D. Harwood 1920-5-15 3948 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA386484  Rhus integrifolia Larry E. DeBuhr, Gary Wallace 1972-9-4 721 Los Angeles San Clemente Island. In canyon West Cove on NW end of island. Comment
  RSA650023A  Rhus integrifolia Harold Lint, Dunn, Hoover 1948-3-10 328 Los Angeles San Gabriel Cyn. above Res. #1. Comment
  LA94280  Rhus ovata A. M. Johnson; 1934-3-24 4386 Los Angeles Santa Monica Mountains, Sepulveda Canyon, N side of mountains, 1 mi. from Beverly (Sunset) Boulevard Comment
  RSA76949  Rhus ovata F. W. Peirson 1920-5-1 106 Los Angeles South slope of the San Gabriel Mountains, Eaton Canyon. 609 Comment
  SFV2148  Rhus ovata O. Doubleday 1959-5-2 Los Angeles Santa Monica Mountains On north slope along Fernwood Drive about 8 miles west of Topanga Canyon Blvd. 762 Comment
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Jan 15 2015
  UCSB3761  Rhus ovata Wilson, Richard 1958-5-10 Los Angeles 6 miles N. of Foothills Blvd. on Angeles Crest Highway 1066 Comment
  SBBG2742  Ribes aureum var. gracillimum H. and M. Dearing 1935-3-9 575 Los Angeles Mint Cyn Comment
  POM371867  Ribes californicum var. hesperium Lyman Benson 1947-1-13 12274 Los Angeles Little Dalton Canyon, Glendora 396 Comment
  RSA476143  Ribes cereum var. cereum Bonnie C. Templeton 1933-5-16 5144 Los Angeles Big Pines Park. 2091 Comment
  RSA654356  Ribes cereum var. cereum Valerie L. Soza, LeRoy Gross 2000-5-23 957 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
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Dec 13 2013
  RSA0008287  Ribes divaricatum var. parishii Louis C. Wheeler 1933-7-7 1915 Los Angeles Lexington Wash near El Monte. Comment
  SEINET13942497 Image available Ribes hesperium Peter H. Raven 1959-1 13789 Los Angeles Benedict Canyon at Mullholland Drive, elevation 1100 feet 335 Comment
  CAS-BOT-BC173421  Ribes malvaceum Dr. H. E. Hasse 1888-12-1 s.n. Los Angeles Ostrich Farm 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
  UC934024 Image available Ribes malvaceum H. L. Cogswell 1950-3-10 61 Los Angeles nw slope Wood's Peak (Plot 6); San Gabriel Mountains 975 Comment
  SD90248  Ribes malvaceum var. viridifolium Benjamin C. Stone 1953-3-9 285 Los Angeles In chaparral on ridge above San Gabriel Dam. 1128 Comment
  RSA230180  Ribes nevadense Robert F. Thorne 1969-7-10 38394 Los Angeles San Gabriel Mountains; Angeles National Forest: Along Angeles Crest Hwy. 1.1 mile NE of Pine Hollow Picnic Ground. 2134 Comment
  UCR108182  Ribes nevadense L. C. Wheeler 1966-8-21 8837 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  UCR192896  Ribes nevadense R. G. Swinney 1999-8-14 7632 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
  RSA549794  Ribes roezlii Wandalee Thompson 1964-4-14 12 Los Angeles Mouth of Richardson Canyon, 2 miles W of Three Points on N-2 (Pine Canyon Road) 1128 Comment
  POM156177  Ribes speciosum L. R. Abrams 1902-3-11 3118 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  POM177973  Ribes speciosum Joseph A. Ewan 1931-3-3 4052 Los Angeles East Fork Sepulveda Canyon. Comment
  POM9722  Ribes speciosum P. A. Munz 1921-2-26 4686 Los Angeles South Hills (San Jose Hills) 5 miles east of Brea Canyon. 305 Comment
  RSA454974  Ribes viburnifolium Anstruther Davidson 1894-04 s.n. Los Angeles Catalina Island Comment
  CATA3457  Ricinus communis Benjamin J. Dion, Peter Dixon 2017-7-13 038 Los Angeles Santa Catalina Island: Channel Side; in thick drainage on borders of watersheds White's Landing, Echo Lake, and China Wall 48 Comment
  RSA480744  Ricinus communis Edwin Kline 1924-11-29 s.n Los Angeles Los Angeles River Bed. Comment
  UCR210083  Ricinus communis R. G. Swinney 2008-10-20 9639 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  SBBG118732  Rigiopappus leptocladus L. Gross with P. Morton 2004-6-10 1371 Los Angeles E end of the main crest; Rd 7N23, E to W from jct with Atmore Meadows Rd (7N19) along Sawmill Mtn to Burnt Pk Rd (7N23A): T7N R16W S8,9,16,15 1432 Comment
  RSA94631  Rigiopappus leptocladus F. W. Peirson 1922-6-3 3076 Los Angeles At Collins Ranch, north slope of Liebre Mts. 1143 Comment
  CHSC26121  Robinia pseudoacacia Lawrence Pinter 1965-5-4 271 Los Angeles Little Rock Canyon, San Gabriel Mtns. 975 Comment
  LA46148  Romneya trichocalyx Carl Epling; William Stewart sn Los Angeles 10 mi N of San Vicente Comment
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Oct 28 2015
  SEINET6039100  Rorippa curvisiliqua Unknown 1949-6-22 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  POM155775  Rosa californica M. B. Dunkle 1928-7-10 1991 Los Angeles Middle Ranch Gorge 30 Comment
  SEINET3558033 Image available Rosmarinus officinalis Bruno Klinger 1968-2-5 s.n. Los Angeles Pasadena, Pasadena. Comment
  RSA0073114  Rubus ursinus Mark L. Hoefs 1995-5-23 2079 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, near road to Bulrush Canyon. 116 Comment
  RSA466057  Rumex conglomeratus Louis C. Wheeler 1932-6-14 826 Los Angeles Pomona. 244 Comment
  RSA466077  Rumex crispus Bonnie C. Templeton 1932-7-20 5013 Los Angeles Big Pines Park. 2092 Comment
  UCR223723  Rumex crispus R. G. Swinney 2009-6-8 11107 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
  CAS-BOT-BC433250  Rumex crispus C. W. Tilforth 1970-3-30 254 Los Angeles Rancho Santa Ana Bot. Gard., Claremont Comment
  LA202426  Rumex fueginus Arthur C. Gibson; 2004-8-30 5081 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, along creek bed entering Lake Malibou, 200 m from bridge off Lake Vista Dr. Comment
  POM156281  Rumex maritimus L. R. Abrams 1902-6-20 2573 Los Angeles Ballona marshes near Mesmer. Comment
  CAS-BOT-BC433918  Rumex salicifolius W. R. Dudley; F. H. Lamb 1896-6-7 4351 Los Angeles Kings Canyon, Liebre Mountains Comment
  CATA1337  Rumex salicifolius Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2439 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  RSA466114  Rumex salicifolius Robert Gustafson 1981-7-15 2339 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA0055074  Salazaria mexicana James R. Shevock 1972-4-25 1589 Los Angeles Sierra Highway, near Palmdale. 967 Comment
  CATA343  Salicornia pacifica Mark L. Hoefs 1973-7-20 384 Los Angeles Santa Catalina Island: Along inland rim of Catalina Harbor 1 Comment
  RSA478890  Salicornia virginica Dolores Bullock 1931-7-13 s.n. Los Angeles S. Broadway, Los Angeles. Comment
  RSA610215  Salicornia virginica L. C. Wheeler 1970-9-5 s.n. Los Angeles Venice: Canal Street at Washington Blvd. Comment
  CAS-BOT-BC103155  Salix bonplandiana Peter H. Raven; Henry J. Thompson 1959-10-18 14668 Los Angeles mouth of Medea Creek, north arm of Malibu Lake 220 Comment
  UCR189669  Salix exigua R. G. Swinney 1998-7-6 6269 Los Angeles San Gabriel Mtns., near mouth of Mescal Canyon, 2.7 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1488 Comment
  UCR255777  Salix exigua R. G. Swinney 2010-4-15 12265 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  HSC19944  Salix exigua var. hindsiana G. E. Anderson 1966-4-6 44 Los Angeles 1 mi. N of Topanga, off Hwy. 27 on side road Comment
  RSA720364  Salix gooddingii LeRoy Gross 2007-4-6 2621 Los Angeles Southern base of the range: Debris basin behind Bel Aire Park, at the intersection of Cambridge Drive and Bel Aire Drive. City of Burbank. 273 Comment
  RSA92699  Salix laevigata F. W. Peirson 1921-4-3 2668 Los Angeles Pacoima Canyon, west end of San Gabriel Mountains 518 Comment
  POM177966  Salix lasiolepis Joseph A. Ewan 1931-2-2 4018 Los Angeles Rio Hondo River near Downey. Comment
  RSA639730  Salix lasiolepis Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1494 Comment
  SBBG57849  Salix lasiolepis C. W. Sharsmith 1932-2-11 10 Los Angeles lower San Gabriel Cyn, ca. 9.5 km above Azusa 300 Comment
  UC506460  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-1-28 7638 Los Angeles 4 hectometers e. of Radford Dr. Los Angeles R.; San Fernando Valley, Los Angeles R. Comment
  UCR223504  Salix lasiolepis R. G. Swinney 2009-5-28 10946 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR258735  Salix lasiolepis R. G. Swinney 2010-3-16 11930 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
  UCR92063  Salix lasiolepis Scott D. White 1995-2-7 2528 Los Angeles Santa Susana Mtns,, Sunshine Canyon. Landfill expansion area, driectly west of I-5, just south of interchange with Hwy 14 457 Comment
  CAS-BOT-BC107555  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles between Calabasas and Agoura 285 Comment
  CAS-BOT-BC128488  Salix lasiolepis var. lasiolepis W. R. Dudley 1895-1-3 s.n. Los Angeles Raymond, by railway. Comment
  UC1922588  Salsola australis Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1358 Los Angeles Transverse Ranges; Verdugo Mountains region; Whiting Woods Mtwy junction with Verdugo Mountain Mtwy, near radio facilities. 854 Comment
  RSA443538  Salsola tragus A. C. Sanders 1987-9-18 7358 Los Angeles El Segundo Dunes, W of L.A. International Airport and Pershing Drive. 38 Comment
  RSA424336  Salvia apiana William Emboden 1970-6-12 18 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  CATA3353  Salvia columbariae Amy Catalano 2017-4-21 059 Los Angeles Santa Catalina Island: N side of West End Rd. on S-facing hillside, 80 meters W of parking area at Lion Head 21 Comment
  LA36002  Salvia columbariae Peter H. Raven; 1960-5-21 15408 Los Angeles Santa Monica Mountains, La Sierra Canyon, Seminole Hot Springs 274 Comment
  RSA0039124  Salvia columbariae R. G. Swinney 2010-5-11 12669 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA651677  Salvia columbariae Dean Brown 1948-5-16 20 Los Angeles Near Mountain Avenue, 0.5 mile south of Angeles National Forest. 610 Comment
  UCR266126  Salvia dorrii subsp. dorrii Orlando Mistretta, Christine Mistretta 2005-4-21 2051 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  UC634912  Salvia dorrii var. pilosa H. L. Mason 1926-4-26 2974 Los Angeles 4 mi s Vincent (Mint Canyon Highway); Soledad Pass Comment
  UCSC001514  Salvia dorrii var. pilosa Peter Kamb 1948-5-6 977 Los Angeles Desert foothills of the San Gabriel Mts above Little Rock. Sandy flats & washes, Lower Sonoran Zone. 975 Comment
  RSA434101  Salvia leucophylla R. J. Tinkler 1969-7-12 s.n. Los Angeles Mullholland Drive, west of San Diego Freeway. Comment
  UCR126860  Salvia leucophylla A. C. Sanders 2003-4-29 26174 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  RSA446326  Salvia leucophylla Jessie Velo 1949-6-24 4222 Los Angeles Los Padres National Forest. 457 Comment
  IRVC28210  Salvia mellifera A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26283 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
  RSA562548  Salvia mellifera Steve Boyd, Walter Appleby 1993-4-22 7998 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA82404  Salvia mellifera Joseph A. Ewan 1932-5-10 7465 Los Angeles Hybrid colony on hot fire break, west rim of Verdugo Canyon Comment
  RSA434079  Salvia spathacea Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 300 Comment
  RSA477568  Sambucus mexicana Robert Gustafson 1978-6-1 988 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  RSA583060  Sambucus mexicana T. S. Ross 1993-4-23 6927 Los Angeles Santa Catalina Island: Canyon Road where it crosses over a northerly tributary NW of Thompson Dam. 181 Comment
  HSC3990  Sambucus nigra subsp. caerulea C. S. Apperson 1967-6-20 Los Angeles 2 mi. E from Sierra Pelona Lookout. Comment
  UCR272591  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
  UC284189  Sanicula arguta P. A. Munz 1923-4-9 6659 Los Angeles San Clemente Island Comment
  UC875439  Sanicula arguta E. Lloyd May 1933 Los Angeles Santa Monica Mountains, Temescal Canyon Temescal Canyon; Santa Monica Mountains, Temescal Canyon Comment
  RSA708101  Sanicula arguta Gary D. Wallace 1985-3-3 2189 Los Angeles Near Ventura-Los Angeles county line, 1/4 mi. E of junction of Pacific View Dr. and Deer Creek Rd. 463 Comment
  POM177953  Sanicula crassicaulis Joseph A. Ewan 1931-3-21 4064 Los Angeles Colony on moist slope under oaks at old ranch site, Los Flores Canyon. 457 Comment
  UCR266408  Sanicula crassicaulis D. E. Bramlet 2005-4-13 3796 Los Angeles Puente Hills, Powder Canyon 229 Comment
  RSA471119  Sarcodes sanguinea B. C. Templeton 1959-4-16 s.n. Los Angeles Charlton Flats Comment
  UCR190116  Sarcodes sanguinea R. G. Swinney 1998-8-27 6808 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  RSA5999  Satureja douglasii Carl B. Wolf 1932-10-5 4242 Los Angeles Santa Catalina Island. In ravine at junction of Isthmus road and road to Black Jack Peak. 244 Comment
  RSA660052  Schinus molle Stephen Hill 1981-2-26 20 Los Angeles E. of parking lot M. in field of Cal Poly Pomona Campus. Comment
  UCR151015  Schinus molle Scott D. White 1997-5-7 5054 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  SEINET7297420 Image available Schismus barbatus Robert F. Thorne, G. Wallace 1973-1 43411 Los Angeles San Gabriel Mts., Mojave Desert Slope: junction of Pallett Creek & Longview Roads, c. 4 mi S of Pear-blossom 1173 Comment
  CAS-BOT-BC111389  Schoenoplectus acutus var. occidentalis Peter H. Raven; Henry J. Thompson 1959-10-14 14640 Los Angeles East end of Maliby Lake, Santa Monica Mountains. 515 Comment
  CAS-BOT-BC111476  Schoenoplectus americanus I. Johnston 1917-5-13 s.n. Los Angeles El Monte, ditch along R. R. 83 Comment
  UC2154  Scirpus maritimus W. F. Parish 1891-1 Los Angeles Long Beach Comment
  UCR205839  Scirpus microcarpus R. G. Swinney 2008-6-9 8973 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  RSA650918  Scrophularia californica subsp. floribunda Matt Bogdanoff 1981-5-25 29 Los Angeles Glendora Mtn. Rd., 6.7 mi N of junction with Sierra Madre Ave., N of Glendora. 762 Comment
  SBBG131615  Scrophularia villosa S. A. Junak 1999-4-24 SCa 866 Los Angeles Cape, below Empire Landing Rd, N-facing slope 414 Comment
  UC1181404  Scrophularia villosa Robert Ornduff with R. L. Taylor 1960-3-19 5095 Los Angeles Santa Catalina Island, Golf Links Canyon Golf Links Canyon; Santa Catalina Island, Golf Links Canyon Comment
  RSA517166  Scutellaria siphocampyloides Tim S. Ross, Orlando Mistretta 1990-10-9 3264 Los Angeles San Gabriel Mountains: Upper Mill Creek Drainage; Tujunga Ranger District, Angeles National Forest. 1433 Comment
  RSA282771  Scutellaria tuberosa C. W. Tilforth, B. Busenberg 1980-2-28 1929 Los Angeles Above Thompson Creek, between Palmer Canyon & Live Oak Canyon, north of Claremont. Comment
  RSA651610  Secale cereale Harold Mosher 1948-5-4 s.n. Los Angeles On a farm near Littlerock. 2 miles W of Littlerock. 548 Comment
  RSA653262  Secale cereale A. C. Sanders, Steve Boyd 1997-4-20 20492 Los Angeles Antelope Valley: along Hwy 138 in vicinity of 230th St. West 890 Comment
  RSA0055083  Sedum spathulifolium Jim Shevock 1970-5-8 192 Los Angeles San Gabriel Mountains. 518 Comment
  CAS-BOT-BC61987  Selaginella asprella I. M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canyon 1752 Comment
  RSA613292  Selaginella asprella F. Raymond Fosberg, J. Ewan 1931-8-13 4883 Los Angeles San Gabriel Mountains. Islip Trail, near Islip-Hawkins divide. 2287 Comment
  UCR190078  Selaginella asprella R. G. Swinney 1998-8-27 6806 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  LA94001  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1704 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Rd. S of Mulholland Hwy, just N of Cold Creek and E of road. 304 Comment
  RSA0094718  Selaginella bigelovii R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14347 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  UC1584923  Selaginella bigelovii Tim Ross 1991-4-8 4451 Los Angeles western Pomona (Elephant Hill); San Dimas USGS 7.5' Quadrangle 228 Comment
  UCD135973  Selaginella bigelovii P. B. Kennedy 1928-3-28 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR61051  Selaginella bigelovii R. G. Swinney 1989-6-10 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 396 Comment
  OBI34020  Senecio douglasii var. douglasii Mark Schneider 1973-9-26 s.n. Los Angeles Tujunga Wash. Wentworth St. 100 yds W of Wheatland. Left hand side 457 Comment
  RSA444578  Senecio flaccidus var. douglasii B. Roy 1987-10-9 10- 9 -87/6 Los Angeles Bernard Field Station of the Claremont Colleges (Amherst and Foothill Blvd.), in the neck section (about where Rockford would bisect the station). 482 Comment
  RSA660445  Senecio flaccidus var. douglasii Orlando Mistretta 1992-6-17 584 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  UC535544  Senecio flaccidus var. douglasii Ira W. Clokey, B. Templeton July 1929 4592 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  CAS-BOT-BC341193  Senecio lyonii L. R. Abrams; I. L. Wiggins 1931-7-6 340 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  CAS-BOT-BC341210  Senecio lyonii R. M. Beauchamp 1967-1-27 126 Los Angeles Behind Wilson Cove pier. San Clemente Island Comment
  POM30496  Senecio lyonii George B. Grant, Walter Wheeler 1904-04 6134 Los Angeles Santa Catalina Island. Comment
  UC1302366  Senecio lyonii Robert F. Thorne and P. C. Everett 1964-2-6 33289 Los Angeles w of Catalina Island (at Isthmus); Santa Catalina Island 15 Comment
  UCR61054  Senecio mikanioides R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon 442 Comment
  RSA608380  Senecio vulgaris L. C. Wheeler 1933-5-30 1751 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  UCR217340  Sesuvium verrucosum David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, north of the spillway and 0.25 mi. south of Rosamond Dry Lake bed 713 Comment
  UCD92682  Setaria faberi Eldon Paddock 1951-8-1 s.n. Los Angeles S. P. tracks, 25 miles west of Alondra Rd. and Marquardt Ave., near Norwalk. Comment
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Jan 21 2015
  LA210135  Setaria gracilis R. L. Armacost; 1959-5-27 1153 Los Angeles SANTA MONICA MOUNTAINS, Near Riviera Country Club. Comment
  RSA303491  Setaria parviflora E. C. Twisselmann 1971-9-19 18513 Los Angeles Los Angeles, Ingraham Str at Lucas Str. 61 Comment
  RSA483320  Setaria parviflora Anstruther Davidson 1917-07 3260 Los Angeles Los Angeles Comment
  RSA595325  Setaria parviflora D. L. Banks 1996-4-24 911 Los Angeles Claremont, localized escape in the lawn at the corner of Doane Ave. & Guilford Ave. Comment
  UCD92611  Setaria parviflora Geoffrey Levin 1975-9-22 655 Los Angeles waste ares in Claremont. Alluvial fan of San Gabriel Mts. Santa Ana River; Pacific Slope. 335 Comment
  RSA533453  Silene gallica Timothy S. Ross 1991-4-21 4543 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridge on N side of Turnbull Canyon 305 Comment
  RSA0120022  Silene laciniata R. G. Swinney 2014-5-19 16559 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  JEPS50958  Silene laciniata subsp. major W. L. Jepson 1918-6-28 42 Los Angeles foothills e Rubio Canyon; e of Rubio Canyon 609 Comment
  RSA477913  Silene laciniata subsp. major James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  RSA477943  Silene laciniata subsp. major M. Bisbee 1917-6-6 s.n. Los Angeles North hills, Eagle Rock Comment
  UC852900  Silene lemmonii Louis C. Wheeler 1932-5-28 777 Los Angeles Cascade Canyon off San Antonio Canyon (San Gabriel Mts.); , Cascade Canyon off San Antonio Canyon 1112 Comment
  UCR142982  Silene lemmonii L. C. Wheeler 1932-5-28 777 Los Angeles San Gabriel Mtns, Cascade Canyon off San Antonio Canyon 1113 Comment
  SFV16953  Silene parishii J. N. Hogue, P. Wilson 1997-6-27 88 .1 Los Angeles San Gabriel Mountains Highway 2, mile marker 59.25. 2012 Comment
  CAS-BOT-BC175113  Silene verecunda Le Roy Abrams; E. A. McGregor 1908-6-20 379 Los Angeles Liebre Mountains 1524 Comment
  RSA60287  Silybum marianum S. L. Armstrong 1948-5-5 s.n. Los Angeles Los Angeles, in meadow, S of Chino Comment
  RSA785939  Silybum marianum Doris Bowers 1972-7-7 1864 Los Angeles Palos Verdes Pen., field N/o Ridgecrest School Comment
  IRVC28589  Sisymbrium altissimum A. C. Sanders, Mark Elvin 2002-6-19 25185 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  UCD115524  Sisymbrium altissimum R. F. Thorne; M. Z. Thorne 1969-7-9 38563 Los Angeles San Gabriel Mountains, Angeles National Forest, at Big Pines. 2087 Comment
  RSA652695  Sisymbrium irio Phillip Robinson 354 Los Angeles Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd & Workman Mill Road. 0.5 miles east of Workman Mill Rd on trail into canyon. [City of Industry, sw of Rio Hondo College, east of 605 Fwy] Comment
  UCR23433  Sisymbrium orientale John C. Roos 1954-4-30 s.n. Los Angeles Los Angeles, along a parking strip at Boyle St, and New Jersey St. 104 Comment
  UCD115669  Sisymbrium orientale Kenneth A. Wilson 1961-3-12 999 Los Angeles Zuma Beach. Comment
  RSA592414  Sisyrinchium bellum Mark Hoefs 1974-5-2 451 Los Angeles Santa Catalina Island: above Parsons Landing 61 Comment
  UC205493  Sisyrinchium bellum S. B. Parish 1919-4-19 19268 Los Angeles near San Dimas; Lone Hill Comment
  UC845026  Sisyrinchium bellum Ira W. Clokey, B. Templeton May 1929 4542 Los Angeles Mandeville Canyon; Santa Monica Mountains 500 Comment
  CDA39478  Sisyrinchium rosulatum A. C. Sanders, D. Malueg 2001-5-17 24313 Los Angeles Los Angeles Basin; Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. Comment
  RSA127449  Solanum americanum Peter H. Raven, Henry J. Thompson 1959-10-14 14635 Los Angeles East end of Malibu Lake. 221 Comment
  RSA716476  Solanum americanum Scott D. White, Andrea Warniment 2006-7-6 11602 Los Angeles SE Tehachapi Mtns: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. 1113 Comment
  RSA617703  Solanum douglasii Scott D. White 1997-2-2 4658 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, S of San Dimas Ave, and E of the I-210 Freeway. 244 Comment
  POM47793  Solanum douglasii Joseph A. Ewan 1930-10-10 3528 Los Angeles Hermit Trail of Big Santa Anita Canyon. 854 Comment
  SDSU11167  Solanum douglasii Gerald Collier 1951-3-22 M 455 Los Angeles Faculty Hill; 1/4 mile west of UCLA Campus, dense, shady hillside. Comment
  SEINET7262438 Image available Solanum douglasii Unknown 2015-4-4 1219 Los Angeles Pasadena Comment
  SEINET7262322 Image available Solanum elaeagnifolium J. A. Ewan 1932-1 680 Los Angeles West Los Angeles Comment
  CAS-BOT-BC156507  Solanum umbelliferum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards [Canon] Canyon, San Gabriel Mountains Comment
  RSA0081782  Solanum umbelliferum R. G. Swinney 2010-5-25 12953 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
  RSA573755  Solanum umbelliferum Tim S. Ross 1990-8-17 3169 Los Angeles S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2042 Comment
  CAS-BOT-BC154724  Solanum umbelliferum T. S. Ross; Boyd 1991-4-25 4606 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.) 530 Comment
  SBBG105473  Solanum wallacei F. R. Fosberg 1931-5-6 4812 Los Angeles Cape Cyn 200 Comment
  UC1211037  Solanum wallacei Huron H. Smith 1912-5-31 5045 Los Angeles Santa Catalina Island, Pebble Beach Road Santa Catalina Island; , Pebble Beach Road 7 Comment
  LA51825  Solanum xanti Mary Reynolds; 1937-4-12 70 Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  NY820441  Solanum xanti T. S. Elias 1984-4-29 8332 Los Angeles Angeles National Forest: Glendora Ridge, near Baldy Camp; along Forest Service road above ridge road Comment
  UCR155698  Solanum xanti A. C. Sanders, T. B. Salvato 2005-4-26 29710 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  SJSU7574  Solanum xanti G. K. Kattenhorn 1967-3-21 Los Angeles Little Dalton Cr, N of Glendora Comment
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Oct 27 2010
  UCR4116  Solanum xanti var. intermedium Ronald M. Cope 1965-3-27 s.n. Los Angeles San Gabriel Mtns., road from Devil's Canyon Wild Area to Azusa, 8-12 mi north of where the road crosses the west fork of the San Gabriel River 762 Comment
  RSA474084  Sonchus asper subsp. asper M. B. Dunkle 1933-6-17 3611 Los Angeles San Antonio River Canyon. 915 Comment
  RSA0021711  Sonchus oleraceus Duncan S. Bell, Caitlin Elam 2013-6-24 5261 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  RSA600754  Sonchus oleraceus L. C. Wheeler 1967-6-16 9848 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; N of Coulter Reservoir. 640 Comment
  SBBG12614  Sonchus oleraceus P. H. Raven 1962-4-9 17139 Los Angeles near barracks, Wilson Cove 60 Comment
  CATA3398  Sorghum bicolor Peter J. Dixon, Sula Vanderplank, Sarah Ratay, Scott Tremor 2017-5-5 088 Los Angeles Santa Catalina Island: Avalon Canyon, ridge above chimes tower, 480 m west of Casino building 128 Comment
  RSA0081799  Spartium junceum R. G. Swinney 2010-6-21 13302 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  RSA482000  Spartium junceum Richard Noyes 1988-5-12 561 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  RSA724592  Spartium junceum K. Dobry 1991-5-11 d- 195 Los Angeles Cold Creek Cyn. Santa Monica off Stunts Rd. Comment
  RSA747736  Spartium junceum Scott D. White, J. Wood, J. Miner 2009-5-12 12696 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  RSA0016937  Spartium junceum W. A. Reinke 1971-5-3 s.n. Los Angeles On Glendora Mtn. Rd. 8 mi. N. of Glendora Dam on E. side of rd. Comment
  RSA0098390  Spergularia macrotheca var. macrotheca P. H. Raven, Henry J. Thompson 1959-6-4 14342 Los Angeles Point Dume. 12 Comment
  CAS-BOT-BC390324  Spergularia macrotheca var. macrotheca Martin A. Piehl 1962-6-9 62361 Los Angeles California Channel Islands. At China Point (s. of lighthouse). San Clemente Island 15 Comment
  LA82419  Spergularia macrotheca var. macrotheca O. H. Kappler; 1944-5-15 619 Los Angeles 9 Comment
  SBBG31489  Spergularia marina R. F. Thorne 1966-4-4 Los Angeles tip of Ballast Pt, Catalina Harbor, isthmus Comment
  CAS-BOT-BC390793  Spergularia marina I. Johnston 1911-4-1 s.n. Los Angeles Compton Creek near Domniguez [Dominguez] Comment
  RSA0098598  Spergularia marina Peter H. Raven, Henry J. Thompson 1959-9-6 14390 Los Angeles Santa Monica Mountains. In salt marsh near mouth of Malibu Creek. 12 Comment
  UCR273639  Spergularia villosa Steven A. Junak 2001-5-4 SCa- 1492 Los Angeles Channel Islands, Santa Catalina Island, east of Parson's Landing 116 Comment
  UCR205663  Sporobolus indicus A. C. Sanders, T. B. Salvato 2009-5-20 36879 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
  SEINET4044589  Stachys ajugoides D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  RSA446642  Stachys bullata Louis Greata 1901-04 s.n. Los Angeles Santa Monica Range Canyon. Comment
  RSA611606  Stanleya pinnata var. pinnata L. C. Wheeler 1968-5-12 s.n. Los Angeles 2/3 mile E of Juniper Bowl, Juniper Hills. 1158 Comment
  CATA2782  Stebbinsoseris heterocarpa Robert F. Thorne 1973-4-11 42788 Los Angeles San Clemente Island: Plateau in Middle Ranch area at head of Middle Ranch Canyon 426 Comment
  RSA0085606  Stellaria media R. G. Swinney 2010-8-26 13589 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  UC853212  Stellaria nitens Ira W. Clokey, B. Templeton 1929-5-1 4462 Los Angeles Mandeville Canyon; Santa Monica Mountains 450 Comment
  RSA678435  Stephanomeria blairii Mark A. Elvin, Orlando Mistretta 1996-3-24 129 Los Angeles San Clemente Island. 427 Comment
  CAS-BOT-BC375144  Stephanomeria cichoriacea F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt Lowe, San Gabriel Ridge. San Gabriel Mountains 1615 Comment
  LA88577  Stephanomeria cichoriacea O. H. Kappler; 1943-9-5 528 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SFV21464  Stephanomeria cichoriacea L. Gross 2001-9-1 447 Los Angeles Verdugo Mountains North side of mountains. Along Verdugo Mountain Way east of Whiting Woods Mountain Way. Nortwest-facing cliff near the main crest at top of Henderson Canyon. 854 Comment
  UC62958  Stephanomeria exigua subsp. coronaria Geo. R. Hall Sept 1904 Los Angeles Swartout Canyon San Antonio Mts. 2133 Comment
  RSA474194  Stephanomeria exigua subsp. coronaria G. J. Hollenberg 1928-7-10 s.n. Los Angeles Between del Rey and El Segundo Comment
  RSA474241  Stephanomeria virgata E. A. McGregor 1963-9-15 s.n. Los Angeles Whittier, Los Angeles Comment
  UCR259932  Stipa lepida R. G. Swinney 2010-3-18 11969 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
  LA98898  Stipa speciosa Virginia Mars; 1978-4-23 78 166 Los Angeles Bob's Gap, Antelope Valley Comment
  UCR258711  Stipa speciosa R. G. Swinney 2010-5-19 12823 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
  RSA592833  Stylocline gnaphaloides L. C. Wheeler 1967-4-30 9214 1/2 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 396 Comment
  UCR165064  Stylocline gnaphaloides A. C. Sanders, Helen Kennedy 2005-4-13 29465 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0113506  Styrax redivivus Lyman Benson 1944-6-20 11548 Los Angeles Grade on Lake Arrowhead Road north of San Bernardino. Mt. Range: San Bernardino. 1371 Comment
  POM156157  Suaeda esteroa L. R. Abrams 1904-9-6 4195 Los Angeles San Pedro Comment
  UCD169514  Suaeda nigra R. G. Swinney 2009-5-5 10638 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing. 951 Comment
  LA200957  Suaeda taxifolia Carl Wishner; 1997-6-22 CW- 2525 Los Angeles Santa Monica Mountains, Zuma Beach, on intermediate coastal slope, adjacent to beach on n side of hwy 1 5.0 Comment
  SFV16959  Swertia neglecta J. N. Hogue, P. Wilson, et al. 1997-6-27 87 .2 Los Angeles San Gabriel Mountains Highway 2, mile marker 54.22. Near Camp Valcrest. 1829 Comment
  UC284170  Swertia neglecta P. A. Munz 1923-5-26 6830 Los Angeles Big Rock Creek San Gabriel Mts. 1584 Comment
  CAS-BOT-BC234674  Symphoricarpos mollis John H. Thomas 1957-5-3 6723 Los Angeles North of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  RSA177665  Symphoricarpos mollis Percy C. Everett 1965-5-12 34629 Los Angeles Upper end of Middle Canyon, Santa Catalina Island 305 Comment
  SD85189  Symphoricarpos mollis Martin A. Piehl 3-6 Oct 1962 62536 Los Angeles Santa Catalina Island;Cape Canyon near old gravel shoot. 239 Comment
  SFV3608  Symphoricarpos rotundifolius P. G. Kilburn 1958-6-18 840 Los Angeles San Gabriel Mountains Angeles Crest Highway near Big Pines. 0.8 miles southeast of Highway on gravel road. 2226 Comment
  UC63370  Symphyotrichum defoliatum Dr. A. Davidson Los Angeles Los Angeles Comment
  UC2047234  Symphyotrichum greatae R. G. Swinney 2008-9-12 9449 Los Angeles San Gabriel Mountains: Buckhorn Canyon, spring (not shown on topo) 0.3 mi. NE of Burkhart Trail parking lot. Waterman Mountain 7.5' Quad. Comment