Search Results — 2000 specimen records retrieved (1563 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA534113  Abronia maritima Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5097 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  UCD109628  Abronia maritima Kenneth A. Wilson 1961-3-12 1004 Los Angeles Zuma Beach. Comment
  NY679480  Abronia umbellata G. B. Grant 04 1899 2005 Los Angeles Southern California. Comment
  RSA460990  Abronia umbellata Ora M. Clark 1929-2-3 1501 Los Angeles Venice Comment
  CAS-BOT-BC229295  Abronia villosa J. C. Oliver 1884-1-1 s.n. Los Angeles Antelope Valley Comment
  UCR51073  Acacia longifolia A. C. Sanders 1988-3-17 7733 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  RSA772163  Acamptopappus sphaerocephalus R. G. Swinney 2009-5-12 10741 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg ) of Littlerock 1061 Comment
  CAS-BOT-BC412574  Acanthoscyphus parishii var. parishii Le Roy Abrams 1901-7-1 1893 Los Angeles Wilson's Pk 1767 Comment
  CLARK-A1528-104  Acer macrophyllum Richard A. Minnich 1968-4-18 10 Los Angeles San Gabriel Mountains Comment
  POM2832  Acer macrophyllum D. L. Crawford 1909-5-20 s.n. Los Angeles Claremont. Comment
  RSA0091160  Acer macrophyllum R. G. Swinney 2011-6-30 15399 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR219440  Acer macrophyllum R. G. Swinney 2009-3-28 10179 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  CATA22  Achillea millefolium USC Wrigley Interns: Daniel Kasang, Alexandria Cheung, Miller Zou, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-1 7 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  UC891012  Achillea millefolium F. R. Fosberg 1931-4-29 4713 Los Angeles small canyon between Cottonwood & Middle Ranch Canyon Santa Catalina Island 100 Comment
  UC91281  Achillea millefolium Brandegee May 1890 Los Angeles Santa Catalina Island Comment
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Jan 29 2008
  CAS-BOT-BC216458  Achnatherum occidentale subsp. californicum A. A. Beetle 1942-6-25 3641 Los Angeles Route 2, 2 miles N of Big Pine Camp, San Bernardino Mountains Comment
  RSA597191  Achnatherum speciosum Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3731 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  SEINET11854799  Achyrachaena mollis M. E. Jones 1882-1 Los Angeles Pasadena Comment
  SBBG118130  Acmispon argophyllus var. argenteus P. A. Munz 1923-4-9 6611 Los Angeles San Clemente Island Comment
  SEINET5327399  Acmispon argophyllus var. argenteus G. B. Grant, Walter Wheeler 1904-4-21 708 Los Angeles Collected on Santa Catalina Island, Pacific Ocean, off Southern California Comment
  SD47445  Acmispon dendroideus var. traskiae Ira L. Wiggins 1949-2-21 11956 Los Angeles Wilson Cove, on rocky side of ravine Comment
  CAS-BOT-BC518730  Acmispon glaber var. glaber R. G. Swinney 2010-5-12 12724 Los Angeles San Gabriel Mountains: Barrell Springs Road at jct with 42nd St East, on SW side of road from 30 to 150 meters W of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  LA52432  Acmispon glaber var. glaber Carl Epling; M. Epling May 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SD234952  Acmispon maritimus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26135 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Re., near Castaic Lake dam. 487 Comment
  LA99393  Acmispon maritimus var. maritimus Walt Westman; E. R. Hobbs 1979-3-30 sn Los Angeles Santa Monica Mountains, Leo Carrillo State Park, Site #1 45 Comment
  LA52407  Acmispon micranthus Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCSB13134  Acmispon nevadensis var. davidsonii 1961-8-4 Los Angeles Along roadside near Peavine Campground, 3 mi. W of Wrightwood on Big Pines Highway; San Gabriel Mtns. 1828 Comment
  SD231307  Acmispon procumbens Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 10 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Highway (Road north) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SBBG125330  Acmispon strigosus A. Parikh, N. Gale 2010-6-22 3359 Los Angeles Upper Shortcut Cyn, 0.9 km S of St Hwy 2, 1.4 km SE of intersection of St Hwy 2 and Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1370 Comment
  RSA660396  Acourtia microcephala Orlando Mistretta 1992-6-17 585 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  UCR270536  Acourtia microcephala R. G. Swinney 2010-5-7 12578 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  SFV16896  Acourtia microcephala J. N. Hogue 1997-6-22 s. n. Los Angeles Pasadena, near Rose Bowl. 300 Comment
  LA52118  Adenostoma fasciculatum Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. 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
  RSA276020  Adenostoma fasciculatum var. fasciculatum Jack Delaini 1974-5-9 179 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest 762 Comment
  RSA524973  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, Steve D. Boyd 1990-6-6 2828 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA611927  Adenostoma fasciculatum var. fasciculatum Bill Campbell 1932-4-30 s.n. Los Angeles Los Alisos Canyon. Comment
  LA52130  Adenostoma sparsifolium K. Kneen; 1933-8-25 sn Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  RSA250344  Adenostoma sparsifolium Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42233 Los Angeles Near top of steep roadbank where Angeles Crest Hwy crosses head of Canyon c. 2 miles W of Clear Creek Sta. at jct with Angeles Forest Hwy 915 Comment
  UC527187  Adenostoma sparsifolium B. D. Stark 1932-11-20 Los Angeles Lobo Canyon (a fork of Triunfo Canyon) Santa Monica Mts., Lobo Canyon 304 Comment
  RSA687665  Adiantum capillus-veneris F. R. Fosberg 1931-5-4 R 95 Los Angeles Bulrush Canyon, Santa Catalina Island. 100 Comment
  LA200054  Adiantum jordanii Lawrence L. Kiefer; 1966-3-12 1672 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi E of junction with Hwy 23 on Encinal Canyon Rd. 365 Comment
  RSA0080739  Ageratina adenophora R. G. Swinney 2010-4-23 12368 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA747046  Ageratina adenophora R. G. Swinney 2008-4-11 8661 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA652849  Ageratina adenophora Ron Martinolich 1991-4-7 38 Los Angeles Los Angeles, Griffith Park, north on Vista Del Valle Drive from west (upper) trailhead of Bee Rock Trail, 0.25 mile on east side of road, 20 feet down embankment. Comment
  RSA735913  Agoseris grandiflora Justin M. Wood 2008-5-31 7 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  UCR26069  Agoseris heterophylla John C. Roos 1937-3-17 2458 Los Angeles San Fernando Valley 305 Comment
  CAS-BOT-BC127230  Agrostis exarata Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8117 a Los Angeles Liebre Mountains. Tributary of Clearwater Canyon. Fork area of major blueline tributary which drains southward from Tule Ridge and joins Clearwater Canyon at Plum Spring. 847 Comment
  CAS-BOT-BC139357  Agrostis idahoensis Robert F. Thorne; J. Dourley 1967-10-10 37359 Los Angeles San Gabriel Mountains. Angeles National Forest. 1.5 mile east of Dawson Saddle. 2331 Comment
  CAS-BOT-BC139058  Agrostis pallens Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Near Soldiers Home. Comment
  CATA1850  Agrostis pallens Denise Kraus, Patricia Moore 2000-5-12 31 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On second ridge trending northwestward after large, obvious rocky outcrop (that outcrop is at end of western fuel break road/ ridge) 259 Comment
  HSC24471  Agrostis stolonifera R. F. Thorne, M. Z. Thorne 1969-7-9 38562 Los Angeles San Gabriel Mountains, Angeles National Forest; upper part of large sloping meadow at Big Pines 2088 Comment
  LA201823  Alcea rosea Arthur C. Gibson; 2003-7-18 Los Angeles Santa Monica Mountains, Along service road in Nickerson Arroyo Sequit NRA, near Mulholland Highway Comment
  RSA248876  Alchemilla occidentalis Robert F. Thorne 1973-4-12 42968 Los Angeles San Clemente Island: large canyon S. of Mosquito Cove N. of Chenity. 305 Comment
  RSA506822  Allium fimbriatum var. fimbriatum L. C. Wheeler 1967-5-12 9475 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  CAS-BOT-BC476832  Allium validum Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains. Table Mountain, above Wrightwood, in yellow-Jeffrey pine forest. 2133 Comment
  UCR277066  Allophyllum gilioides R. G. Swinney 2011-6-7 15073 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  SEINET12278602  Allophyllum gilioides I. W. Clokey, Templeton, B. 1929-1 4468 Los Angeles 425 Comment
  RSA639184  Allophyllum glutinosum L. C. Wheeler 1967-5-15 9559 Los Angeles San Gabriel Mountains: Ridge east of Fremont Pass. 571 Comment
  UC126060  Allophyllum glutinosum T. S. Brandegee 1890-5-20 Los Angeles Santa Catalina Isl. Comment
  UC57499  Alnus rhombifolia J. H. Barber 1898-2-22 370 Los Angeles Topango Canyon Comment
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May 22 2014
  POM725  Amaranthus albus W. R. Shaw 1908-7-2 78 Los Angeles Claremont. 365 Comment
  RSA763022  Amaranthus blitoides R. G. Swinney 2009-3-13 10110 -B 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
  UCR210348  Amaranthus blitoides A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37179 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, along Stanford Ave. between 111th Place and end at drainage ditch 34 Comment
  SDSU2090  Amaranthus blitoides J. Youngberg 2841 Los Angeles Pomona College, Archery Field, Claremont. Comment
  RSA151124  Amblyopappus pusillus Peter H. Raven 1962-5-8 17590 Los Angeles Slopes above Seal Cove, San Clemente Island 38 Comment
  RSA535692  Amblyopappus pusillus Timothy S. Ross 1991-5-22 5446 Los Angeles San Clemente Island. Spray [point], W side of island about 5300 feet N of El Point. Coastal terrace. 9 Comment
  CAS-BOT-BC13712  Ambrosia chamissonis Huron Herbert Smith 1912-5-9 4955 Los Angeles Redondo Comment
  RSA416920  Ambrosia chamissonis M. B. Dunkle 1928-4-29 1896 Los Angeles Santa Catalina Island. Little Harbor Comment
  SBBG31366  Ambrosia chamissonis R. F. Thorne with P. C. Everett 1965-5-11 34552 Los Angeles behind N beach at Little Harbor 1 Comment
  SBBG95444  Ambrosia chamissonis M. B. Dunkle 1928-4-29 1865 Los Angeles Little Harbor 1 Comment
  SBBG105354  Ambrosia chamissonis H. L. Ferguson 1980-4-15 161 Los Angeles near Pot Pound, area W of Wilson Cove 83 Comment
  UCR206168  Ambrosia confertiflora A. C. Sanders, T. B. Salvato 2009-5-29 37040 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  IRVC29178  Ambrosia psilostachya A. C. Sanders, Lee Jones 2004-11-7 29024 Los Angeles site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy San Fernando Valley 351 Comment
  LA91102  Ambrosia psilostachya T. A. Geissman; 1970-8-14 TAG 14870 MD Los Angeles Santa Monica Mountains, Mulholland Dr. at San Diego Frwy 365 Comment
  LA94829  Ambrosia psilostachya T. A. Geissman; 1968-4-20 TAG 42068 APM Los Angeles Santa Monica Mountains, Malibu Canyon, near entrance to canyon 9 Comment
  RSA416986  Ambrosia psilostachya M. B. Dunkle 1930-7-23 2439 Los Angeles Little Harbor, Santa Catalina Island. Comment
  UCR281983  Ambrosia salsola R. G. Swinney 2014-4-17 16089 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  POM2593  Amelanchier utahensis I. M. Johnston 1917-8-22 1711 Los Angeles Prarie Fork of San Gabriel River, San Antonio Mountains. 2134 Comment
  UCR126995  Ammi majus A. C. Sanders, Kim Marsden 2003-6-20 26987 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  UC1929555  Amorpha californica Scott D. White, Justin Wood 2008-5-6 11933 B Los Angeles Puente / Chino Hills: Chino Hills, NW of Carbon Canyon Rd and SE of Tonner Canyon, on SCE powerline corridor (SE corner of county). Firestone Boy Scout Reservation. Comment
  RSA746773  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  SDSU4890  Amsinckia intermedia A. H. Gallup 1948-4-26 145 Los Angeles The Wash, Claremont. 366 Comment
  UC174982  Amsinckia intermedia C. F. Baker 1903-4-1 4092 Los Angeles Claremont; Pacific Coast Comment
  RSA0079978  Amsinckia intermedia L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, east of Glendora. 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
  RSA702488  Amsinckia menziesii Scott D. White 2004-5-5 10303 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  LA40185  Amsinckia menziesii var. menziesii Robert G. Engman; sn Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  SD260216  Amsinckia tessellata R. G. Swinney 2010-5-19 12816 Los Angeles San Gabriel Mountains / Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Te. Access Rd., west of Angeles Natl. Forest boundary, 2.05 air miles due E of Angeles Forest Hwy., 0.8 miles due W of Mt. Emma Rd. 1335 Comment
  RSA347578  Amsinckia tessellata B. A. Prigge 1986-3-20 6967 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  UCR182847  Anagallis arvensis R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  RSA654410  Anagallis arvensis Matt Brooks 1988-5-12 61 Los Angeles Whittier, Turnbull Canyon Rd. 0.5 miles east of its intersection with Beverly Blvd. Comment
  RSA509581  Anemopsis californica L. C. Wheeler 1967-7-23 10163 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Springs, San Andreas Rift Zone. Comment
  SEINET3129611  Anemopsis californica G. B. Grant 1904-4-23 Ex 43 Los Angeles Redondo Comment
  RSA509604  Anisocoma acaulis L. C. Wheeler 1967-5-12 9453 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR189671  Anisocoma acaulis R. G. Swinney 1998-7-8 6307 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  CAS-BOT-BC59209  Antennaria dimorpha LeRoy Abrams 1902-7-11 2683 Los Angeles Coldwater Canyon Comment
  UCR124629  Anthemis cotula B. C. Templeton, I. W. Clokey 1936-5-18 5663 Los Angeles San Gabriel Valley; San Jose Hills, Puddingstone Dam 305 Comment
  RSA425829A  Antirrhinum coulterianum Albert J. Perkins 1920-2-16 s.n. Los Angeles Glendora, Little Dalton Trail Comment
  RSA505440  Antirrhinum kelloggii R. C. Bacigalupi 1957-5-12 5879 Los Angeles Slope above Las Flores Canon, 1/4 miles above US Army Nike launching site; Santa Monica Mts. 274 Comment
  CHSC22521  Antirrhinum multiflorum Robert A. Schlising 1971-5-19 2973 Los Angeles 1.3 miles NE of Jct Hwy 23 and Little Sycamore Canyon Road, along the latter. Comment
  RSA225694  Antirrhinum multiflorum Robert F. Thorne, Arthur C. Gibson 1971-5-22 39766 Los Angeles San Gabriel Mts., Angeles National Forest: upper Fish Canyon near Falls 396 Comment
  SBBG131497  Antirrhinum nuttallianum S. A. Junak, B. Collins 1991-4-24 SCI 184 Los Angeles W side of W Shore Rd 36 Comment
  RSA470370  Apiastrum angustifolium M. B. Dunkle 1929-3-23 2073 Los Angeles Santa Catalina Island. Salta Verde. Comment
  RSA605437  Apocynum cannabinum L. C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, CampgroundVicinity. 1220 Comment
  RSA729424  Aquilegia formosa R. G. Swinney 1998-7-14 6429 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  RSA0126361  Arabis glabra E. S. Spalding 1923-4-21 s.n. Los Angeles Laurel Canyon. Comment
  RSA0031446  Arabis glabra var. glabra Orlando Mistretta, Christine Mistretta 2008-5-19 3121 -a Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 103 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 976 Comment
  RSA0128662  Arabis repanda var. repanda F. W. Peirson 1919-6-14 507 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1707 Comment
  RSA0095311  Arabis sparsiflora Richard G. Swinney 2011-6-23 15321 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao visitor Center. 1582 Comment
  RSA470437  Aralia californica L. C. Wheeler 1931-8-5 s.n. Los Angeles San Dimas Canyon, San Gabriel Mts. 533 Comment
  POM354168  Arceuthobium campylopodum Fordyce Griffiths Jr. 1916-9-20 1410 Los Angeles San Gabriel Mountains: Barley Flats Comment
  UCD56653  Arctostaphylos glandulosa subsp. glaucomollis Louis C. Wheeler 1967-6-16 9859 Los Angeles San Gabriel Mountains. North side of Sunset Ridge under power line. 595 Comment
  RSA138250  Arctostaphylos glandulosa subsp. mollis P. H. Raven 1959-3-8 13840 Los Angeles Mulholland Dr., 5 miles west of Topanga Canyon 366 Comment
  RSA3281  Arctostaphylos glandulosa subsp. mollis D. L. Crawford 1916-3-1 s.n. Los Angeles mts. above Claremont 1220 Comment
  RSA589241  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1990-6-8 2905 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
  RSA247381  Arctostaphylos glandulosa var. cushingiana Gary D. Wallace, Gary D. Cromwell 1966-2-19 22 Los Angeles NE of Azusa, 2 mi. up Glendora Mtn. Rd. from Foothill Blvd. along a fire road. Comment
  RSA631555  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15807 Los Angeles San Gabriel Canyon, Highway 39, 9-10 km north of ORV area. 900 Comment
  RSA631561  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15805 Los Angeles San Gabriel Canyon, Highway 39, 9-10 km north of ORV area. 900 Comment
  RSA631703  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15841 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA640245  Arctostaphylos glauca R. F. Thorne, R. Carolin, C. Davidson 1967-3-23 41582 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  UCSB4731  Arctostaphylos glauca Gill, Robert 1959-2-25 Los Angeles San Dimas Canyon near road and gauging station; San Gabriel Mt. Range; Pacific Slope drainage area 365 Comment
  RSA0087354  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15826 Los Angeles San Gabriel Canyon, Hwy 39, 11-12 km N of ORV area, San Gabriel Mountains. 1100 Comment
  JEPS29394  Arctostaphylos parryana H. A. Jensen 1933-5-9 296 Los Angeles South Fork Rock Creek San Gabriel Mts. 1920 Comment
  RSA640939  Arctostaphylos parryana L. C. Wheeler 1967-8-9 10441 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1981 Comment
  SBBG125328  Arctostaphylos parryana subsp. parryana A. Parikh, N. Gale 2010-6-19 3352 Los Angeles Upper Big Tujunga Cyn, 0.9 km W of Shortcut Station, 0.6 km N of St Hwy 2, San Gabriel Mtns 1247 Comment
  RSA634725  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20524 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634764  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22029 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634770  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20425 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA634855  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20573 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634861  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20546 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  UCR150450  Arenaria macradenia R. G. Swinney 1999-6-21 7377 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  RSA729746  Arenaria macradenia var. arcuifolia R. G. Swinney 1998-7-2 6266 Los Angeles San Gabriel Mtns.: north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1963 Comment
  RSA423565  Arenaria macradenia var. arcuifolia Anstruther Davidson 1893-7-4 1485 Los Angeles Big Rock. Comment
  SEINET10901420  Aristida adscensionis Robert F. Thorne, Mae Z. Thorne 1973-2-12 Thorne 42473 Los Angeles Santa Catalina Island: N of Marine Science Station at Fisherman's Cove; bare, clayey openings in coastal sage scrub. 46 Comment
  CAS-BOT-BC90134  Artemisia biennis S. B. Parish; W. F. Parish 1882-10-1 1594 Los Angeles Near Santa Ana Comment
  CATA131  Artemisia californica Mark L. Hoefs, A. Douglas Propst 1973-3-14 99 Los Angeles Santa Catalina Island: Cape Canyon 289 Comment
  RSA188276  Artemisia californica R. F. Thorne 1966-5-31 36451 Los Angeles Santa Catalina Island. Rocky headland between Shark and Little Harbors 15 Comment
  UC750621  Artemisia californica Lewis S. Rose 1946-12-20 46294 Los Angeles Malibu 9 Comment
  RSA126674  Artemisia dracunculus Peter H. Raven, Henry J. Thompson 1959-9-27 14512 Los Angeles Sepulveda Canyon. (Lat N. 34Y, Long. 118Y to 119Y W.) 244 Comment
  SBBG105355  Artemisia nesiotica H. L. Ferguson 1979-12-17 163 Los Angeles just W of gas pumps in Wilson Cove area 38 Comment
  CAS-BOT-BC97282  Artemisia tridentata subsp. parishii H. J. Thompson 1951-1-1 1424 A Los Angeles Castaic River near wher it joins the Santa Clara River, 1 mi. E of Newhall Ranch along Hwy. #126 289 Comment
  CAS-BOT-BC97335  Artemisia tridentata subsp. tridentata H. M. Hall 1919-10-20 s.n. Los Angeles Mint [Canon] Canyon Comment
  RSA675005  Arundo donax LeRoy Gross 2003-2-22 737 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  SDSU750  Arundo donax A. H. Gallup 1949-2-21 311 Los Angeles Lasca, north end of meadow. Pacific Slope 152 Comment
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Apr 29 2015
  UC1929331  Asclepias californica Valerie Soza, Sarah J. De Groot 2003-6-18 1691 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
  SFV10926  Asclepias californica M. L. Vincent 1963-4-25 318 Los Angeles Santa Monica Mountains Mulholland Highway, 1.5 miles west of Cornell Road. Roadside on dry embankment. Comment
  UC566931  Asclepias vestita H. L. Mason 1934-3-30 8038 Los Angeles Yucca Grove Antelope Valley Comment
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Dec 13 2011
  POM8494  Aspidotis californica P. A. Munz, R. D. Harwood 1920-4-21 3713 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  UCR180716  Aspidotis californica R. G. Swinney 1995-4-4 3477 Los Angeles San Gabriel Mtns, Glendora, ridge overlooking south end of Mystic Canyon at Big Dalton Canyon 451 Comment
  UCSB8246  Aspidotis californica Wedberg, H. 1958-3-9 Los Angeles 1mi N of Chatsworth Comment
  RSA686322  Aspidotis californica B. C. Templeton 1931-4-12 s.n. Los Angeles Manderville Canyon 200 Comment
  CDA10226  Aster ascendens E. M. Becker Sep 1939 Los Angeles Union Pacific yards, Los Angeles. 0 Comment
  RSA5872  Aster bernardinus C. B. Wolf 1932-9-16 4123 Los Angeles Bryant Ranch, west side of San Gabriel River Flood Control, 1/2 mi. So. of 7th St (Long Beach), 1645 ft. East and 200 ft. No. of Center 8, Sect. 2. T5S. R12W. 3 Comment
  CLARK-A1528-4913  Astragalus bicristatus John C. Roos 1937-5-31 491 Los Angeles San Gabriel Mountains Comment
  RSA729100  Astragalus bicristatus R. G. Swinney 1999-7-5 7509 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  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
  RSA709462  Astragalus didymocarpus A. C. Sanders 2005-5-5 29906 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Cruzan Mesa along dirt road at NE end of mesa. 640 Comment
  UC56433  Astragalus didymocarpus Ernest Braunton Mar 1903 845 Los Angeles Los Angeles Comment
  SBBG89159  Astragalus douglasii A. C. Sanders, E. J. Lawlor 1988-4-3 7750 Los Angeles 1 mi NW of Gorman on a gasline rd, 0.4 mi above the old hwy 1280 Comment
  UC284764  Astragalus douglasii var. douglasii P. A. Munz 1923-8-31 7696 Los Angeles Mescal Creek , Mescal Creek (San Antonio Mts.) 1950 Comment
  CAS-BOT-BC182945  Astragalus filipes Ernest C. Twisselmann 1964-6-10 9624 Los Angeles Old Highway 101, 0.5 mile northwest of Gorman 1188 Comment
  RSA498291  Astragalus gambelianus Freda Detmers 1929-4-14 s.n Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  POM19199  Astragalus lentiginosus var. variabilis P. A. Munz 1923-5-27 6907 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  UCR18027  Astragalus leucolobus George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain 1982 Comment
  RSA415606  Astragalus miguelensis M. B. Dunkle 1939-4-5 7267 Los Angeles China Point, San Clemente Island Comment
  RSA598385  Astragalus miguelensis J. P. Rebman, Jonathan Dunn 1996-4-29 3103 Los Angeles San Clemente Island: Eel Cove and Eel Cove canyon on west side of island. 10 Comment
  SD51878  Astragalus nevinii Peter H. Raven 1962-5-8 17624 Los Angeles San Clemente Island, near western shore of island opposite Wilson Cove, on sandy slope Comment
  RSA0006828  Astragalus nevinii R. C. Barneby, H. D. Ripley 1961-1 s.n. Los Angeles San Clemente Island. West end, on dunes . Comment
  RSA415649  Astragalus pomonensis Cora Mae Life 1923-07 s.n. Los Angeles Lands End. Comment
  UCD105260  Astragalus purshii var. tinctus J. M. Tucker 1962-4-18 3622 Los Angeles Adjacent to the wash, Oso Canyon, Tehachapi Mountains. 975 Comment
  CAS-BOT-BC193348  Astragalus tener var. titi LeRoy Abrams 1903-4-12 3251 Los Angeles Near Hyde Park Comment
  RSA415844  Astragalus tener var. titi W. Fraiser, Davidson 1930-1 s.n. Los Angeles Santa Monica Comment
  POM66950  Astragalus trichopodus Marcus E. Jones 1924-4-25 s.n Los Angeles Brea Canyon Comment
  UCSB2983  Astragalus trichopodus Haller, John 1950-4-16 Los Angeles San Francisquito Canyon, 5 miles north of Saugus Comment
  RSA415741  Astragalus trichopodus var. lonchus I. M. Johnston 1917-4-11 965 Los Angeles N*r Slough. [locality name change to Laguna Dominguez] Comment
  UC729813  Astragalus trichopodus var. lonchus Carl B. Wolf 1932-5-10 3528 Los Angeles Summit of the Equestrian Trail back Avalon (Santa Catalina Island); , back of Avalon 304 Comment
  CAS-BOT-BC194074  Astragalus trichopodus var. lonchus Lewis S. Rose 1940-3-15 40123 Los Angeles Point Fermin 91 Comment
  RSA90708  Astragalus trichopodus var. lonchus F. W. Peirson 1921-2-26 586 Los Angeles Foot of Topanga Canyon, Santa Monica Mtns. Comment
  UC1234758  Astragalus trichopodus var. lonchus Peter H. Raven 1962-5-20 17794 Los Angeles Middle Canyon 2.9 mi above the Ranch (Santa Catalina Island); , Middle Canyon 243 Comment
  RSA131032  Astragalus trichopodus var. phoxus Percy C. Everett, E. K. Balls 1959-6-2 23844 Los Angeles 1 miles NE of entrance of Stokes Canyon, Santa Monica Mountains. 183 Comment
  SEINET1004484  Astragalus trichopodus var. phoxus A. C. Sanders 2005-1 29875 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, northeast rim Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  SBBG13584  Atriplex argentea var. expansa P. H. Raven 1962-7-11 17998 Los Angeles just S of old airstrip Comment
  RSA139590  Atriplex californica Reid V. Moran 1958-9-18 6853 Los Angeles San Clemente Island. 1.7 miles SE of Eel Point 10 Comment
  RSA452397  Atriplex californica Robert Gustafson 1981-4-14 2175 Los Angeles Ballona Wetlands, Area 1 Comment
  SBBG131636  Atriplex coulteri S. A. Junak 1999-9-10 SCa 1084 Los Angeles just S of Bulrush Cyn Trail 438 Comment
  RSA0002483  Atriplex johnstonii C. B. Wolf 1930-12-23 1821 Los Angeles Coastal bluffs at Playa del Rey 30 Comment
  POM246812  Atriplex leucophylla F. R. Fosberg 1931-5-18 S- 4894 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  SBBG37881  Atriplex leucophylla M. B. Dunkle 1939-4-5 7274 Los Angeles China Pt Comment
  SBBG94217  Atriplex leucophylla F. R. Fosberg 1931-5-18 4894 Los Angeles Little Harbor 20 Comment
  CAS-BOT-BC180903  Atriplex nummularia Carl B. Wolf 1934-6-9 5740 Los Angeles Playa del Rey, 10 m. W of Vista del Mar St. & 2.5 meters so. of no. curb of Freeman St. 30 Comment
  RSA188190  Atriplex pacifica R. F. Thorne, P. Everett 1965-6-24 35035 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon 45 Comment
  SBBG65387  Atriplex parryi R. Hoffmann 1931-9-28 Los Angeles Lancaster Comment
  JEPS59569  Atriplex rosea Frank W. Peirson 1923-8-30 4009 Los Angeles Lone Pine Canyon San Gabriel Mountains, Lone Pine Cayon, Cyde Ranch (Clyde Ranch) Comment
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Feb 21 2013
  IRVC28731  Atriplex rosea A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25515 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  RSA12639  Atriplex rosea C. B. Wolf 1934-8-16 s.n. Los Angeles Bryant Ranch east of Long Beach., T4S R12W SW 1/4 sect. 27 100 ft. S & 100 ft. W of center of section 27. 5 Comment
  SBBG13487  Atriplex semibaccata P. H. Raven 1962-7-12 18020 Los Angeles near point at E end of Northwest Harbor 30 Comment
  RSA478426  Atriplex serenana Anonymous 1925-9-19 s.n. Los Angeles Catalina [Island]. Comment
  SEINET4136174  Atriplex serenana var. serenana Steve Boyd, L. Raz 1996-10-14 9036 Los Angeles Liebre Moutains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road.; 0 671 Comment
  SBBG72602  Atriplex torreyi R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  SBBG13709  Atriplex watsonii P. H. Raven 1962-4-11 17255 Los Angeles due W of Wall 2 9 Comment
  SD90533  Atriplex watsonii Robert F. Thorne 1973-4-12 42896 Los Angeles San Clemente Island, China Point at end of road. 14 Comment
  UCR51523  Avena barbata A. C. Sanders 1987-12-4 7575 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  POM115201  Avena fatua S. M. Tracy 1887-7-5 s.n. Los Angeles Los Angeles. Comment
  UCR220219  Avena fatua R. G. Swinney 2009-4-7 10287 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
  LA201805  Avena fatua Arthur C. Gibson; 2001-4-20 4257 Los Angeles Comment
  SD178109  Azolla microphylla A. C. Sanders, Mark Elvin 2002-6-20 25227 Los Angeles Northeast end of Santa Susan Mountains; Santa Clara riverbed at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 289 Comment
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Mar 18 2011
  RSA418210  Baccharis douglasii T. Gertrude Williamson 1924-8-22 s.n. Los Angeles Catalina Island, Toyon Canyon Comment
  UC1605371  Baccharis malibuensis J. Henrickson 1991-9-27 22451 Los Angeles ca 6 air mi nw Malibu (1.2 mi nw of w end of Malibu Lake on n slopes of flat-topped hill); Santa Monica Mtns 228 Comment
  CAS-BOT-BC99409  Baccharis pilularis Peter H. Raven 1959-10-25 14704 Los Angeles Mulholland Highway 1.6 miles west of junction with Decker Road 304 Comment
  CAS-BOT-BC98173  Baccharis salicifolia June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - summit Comment
  POM50720  Baccharis salicifolia L. R. Abrams 1901-04 1393 Los Angeles Tujunga Wash 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
  RSA0082914  Bassia hyssopifolia Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-5-30 3134 Los Angeles Abalone Cove Reserve, Palos Verdes Nature Preserve. Immediately above beach at foot of cliff. 2 Comment
  CAS-BOT-BC75753  Berberis nevinii J. Ewan 1929-12-29 3734 Los Angeles Pacoima Wash, east of San Fernando. Comment
  RSA720153  Berberis nevinii LeRoy Gross 2007-4-6 2630 Los Angeles Southern front of the range: Wildwood Canyon. Area where the road drains into a debris dam, and parking area for one of the trails that climb to the crest of the range. 499 Comment
  UC854628  Berberis nevinii C. Darland 1932-5-12 Los Angeles San Fernando Comment
  CAS-BOT-BC59390  Bergerocactus emoryi L. R. Abrams; I. L. Wiggins 1931-7-6 s.n. Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA772276  Berula erecta R. G. Swinney 2009-5-8 10700 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA0058200  Bidens frondosa Richard G. Swinney 2010-9-1 13667 Los Angeles San Gabriel Mountains/Verdugo Mountains: Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  JEPS16885  Bidens pilosa Peter H. Raven 1956-6-17 9406 Los Angeles Westwood, Los Angeles Los Angeles, Westwood Comment
  CDA6796  Bidens pilosa Phillipson 1915-6-12 Los Angeles Monrovia. Comment
  UC894044  Bidens pilosa P. A. Munz 1922-11-20 6563 Los Angeles along Pacific Electric track, Charter Oak Charter Oak, Pacific Electric track Comment
  UCD129562  Bidens pilosa A. M. Johnson 1934-10-3 4536 Los Angeles along Selby Avenue, between Le Conte and Wilshire Blvd., West Los Angeles. Comment
  RSA367313  Bloomeria crocea var. crocea C. B. Liter, J. A. Powell 1928-4-2 s.n. Los Angeles Santa Catalina Island. NW of Avalon. Comment
  RSA367449  Bloomeria crocea var. crocea F. E. Durkee 1906-5-30 14767 Los Angeles Hollywood Canyon Comment
  LA204389  Boechera arcuata J. A. Ewan; 1929-5-11 2112 Los Angeles San Gabriel Mountains, Mt. Lukens Trail 1219 Comment
  POM541  Boechera californica I. M. Johnston 1918-5-12 1956 Los Angeles San Antonio Canyon (Camp Larkin) 1645 Comment
  RSA0129467  Boechera pulchra R. G. Swinney 1999-6-18 7309 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  SBBG108150  Bothriochloa barbinodis S. L. Crockett, M. L. Hoefs, S. A. Junak, J. Takara 1997-3-28 622 Los Angeles N side of Cherry Harbor, overlooking mud flats 42 Comment
  SBBG98415  Bowlesia incana T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5279 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 304 Comment
  UC1228869  Bowlesia incana Peter H. Raven 1962-4-12 17326 Los Angeles w side of San Clemente Island, soth of canyon below the Tomb San Clemente Island 137 Comment
  RSA161296  Boykinia rotundifolia P. H. Raven 1961-10-1 16779 Los Angeles San Gabriel Mountains: upper Evey Canyon 915 Comment
  RSA226233  Boykinia rotundifolia Gary D. Cromwell, David W. Wheat 1971-7-1 700 Los Angeles Mystic Canyon 412 Comment
  UCR189415  Boykinia rotundifolia R. G. Swinney 1998-5-30 6165 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR194587  Boykinia rotundifolia R. G. Swinney 1998-7-24 6568 Los Angeles San Gabriel Mtns., upper Fish Fork of San Gabriel River 1585 Comment
  RSA0073386  Brassica geniculata R. G. Swinney 2010-3-18 11986 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
  CAS-BOT-BC30313  Brassica nigra Peter H. Raven; Henry J. Thompson 1959-6-4 14347 Los Angeles Santa Monica Mountains. Point Dume. 15 Comment
  UC1584701  Brassica nigra Tim Ross 1991-3-24 4319 Los Angeles Whittier Hills (Puente Hills, pro parte): between Sycamore Canyon and Turnbull Canyons. 363 Comment
  IRVC26195  Brassica nigra A. C. Sanders 2003-6-19 26976 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA482923  Brassica rapa L. E. Hoffman 1932-2-3 s.n. Los Angeles Arroyo Seco, near Ave. 57, Pasadena. Comment
  CAS-BOT-BC100423  Brickellia californica Wesley O. Griesel 1961-9-23 s.n. Los Angeles [Switzers] Switzer Camp, San [Gavriel] Gabriel Mts. 762 Comment
  LA88581  Brickellia californica O. H. Kappler; 1943-9-15 538 Los Angeles 152 Comment
  RSA535547  Brickellia californica Timothy S. Ross, Annette Ross 1991-9-7 5948 Los Angeles Near Mulholland Highway x Yerba Buena Road; Triufno Pass 556 Comment
  UCR108330  Brickellia californica L. C. Wheeler 1952-10-11 6373 Los Angeles San Rafael Hills, Chevy Chase Drive Comment
  UCR201828  Brickellia nevinii Scott D. White, Justin M. Wood 2008-10-7 12556 Los Angeles San Gabriel Mountains, west fork of the San Gabriel River, between Bear Creek and Rincon Red Box Road 220 Comment
  RSA645572  Bromus berteroanus A. C. Sanders, E. J. Lott 1993-5-6 13951 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Highway at Ave G'' to 1/10 mi. NW of intersection., (34 deg 45'N, 118 deg 09'W; [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 706 Comment
  POM244885  Bromus carinatus F. R. Fosberg 1931-4-14 S- 4608 Los Angeles Eagles Nest. Middle Ranch Canyon. Santa Catalina Island. 180 Comment
  RSA92043  Bromus carinatus F. W. Peirson 1918-4-28 1558 Los Angeles Road east and south of El Monte. Comment
  RSA585669  Bromus carinatus var. carinatus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3345 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA598367  Bromus carinatus var. carinatus L. C. Wheeler 1967-5-24 9759 Los Angeles Indian Canyon, near mouth 701 Comment
  RSA612158  Bromus carinatus var. carinatus L. C. Wheeler 1932-7-2 912 Los Angeles Brown's Flat 1311 Comment
  UCR272601  Bromus carinatus var. marginatus R. G. Swinney 2011-6-7 15065 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  POM364005  Bromus catharticus S. F. Patton 1914-4-5 s.n. Los Angeles Los Angeles. Comment
  SBBG106882  Bromus diandrus M. L. Hoefs, R. F. Thorne 1996-4-6 2602 Los Angeles Pebbly Beach 6 Comment
  SD31186  Bromus diandrus Edith A. Purer 1931-5-12 956 Los Angeles Palos Verdes Hills, waste ground Comment
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Jul 11 2010
  UC1587617  Bromus diandrus Tim Ross 1991-4-21 4524 Los Angeles Whittier Hills; (Puente Hills, pro parte) Middle Turnbull Canyon drainage, just sw of old water tank 219 Comment
  CAS-BOT-BC155586  Bromus grandis I. M. Johnston 1917-7-28 1407 Los Angeles San Antonio Mountains. North Fork San Antonio Canyon. 2438 Comment
  RSA229188  Bromus grandis R. F. Thorne, C. W. Tilforth 1971-6-29 40731 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  UC1109361  Bromus hordeaceus Peter H. Raven 1962-4-9 17159 Los Angeles San Clemente Island, Wilson Cove, near barracks Wilson Cove; San Clemente Island, Wilson Cove 60 Comment
  UCD58657  Bromus hordeaceus Geoffrey Levin 1974-5-8 75 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Santa Ana River drainage. Pacific Slope. 335 Comment
  UCR2226  Bromus hordeaceus F. M. Reed 1920-4-11 4458 Los Angeles Reeves Ranch south of Covina 305 Comment
  UCR150600  Bromus madritensis L. C. Wheeler 1967-5-15 9552 Los Angeles San Gabriel Mtns, Fremont Pass, north side 564 Comment
  CATA580  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-4-7 1019 Los Angeles Santa Catalina Island: Cottonwood Canyon east of main road 64 Comment
  RSA642714  Bromus pseudolaevipes Orlando Mistretta 1992-7-13 689 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA0073608  Bromus rubens R. G. Swinney 2010-4-23 12332 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA591597  Bromus rubens C. Epling 1931-04 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  UCD59587  Bromus rubens Katharine Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  OBI35716  Bromus sterilis Rebecca Cicoria 1981-4-23 1 Los Angeles Palos Verdes Peninsula: in Upper Altamira Cyn, Rolling hIlls Comment
  RSA533942  Calandrinia ciliata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5220 Los Angeles San Clemente Island: South-east end of island in the vicinity of Knob, 5100 ft. NW of Guds. 274 Comment
  POM147541  Calandrinia maritima Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  SBBG117051  Calandrinia menziesii S. A. Junak with K. Kirkland 2001-4-14 SCa 1453 Los Angeles upper portion of Middle Cyn, just upslope from E side of Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 304 Comment
  CAS-BOT-BC132274  Calochortus catalinae Le Roy Abrams 1899-4-1 251 Los Angeles Santa Monica Mts., Sepulveda Can. Comment
  UC648349  Calochortus catalinae Marion Ownbey and Ruth P. Ownbey 1938-6-27 1667 Los Angeles mouth of Los Alisos Canyon Santa Monica Mountains, Los Alisos Canyon Comment
  UCR190907  Calochortus invenustus R. G. Swinney 1998-7-2 6239 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191272  Calochortus kennedyi R. G. Swinney 2001-6-16 7982 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR223104  Calochortus kennedyi var. kennedyi R. G. Swinney 2009-5-12 10734 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA584591  Calochortus plummerae Timothy S. Ross, Walter Appleby 1993-6-7 7372 Los Angeles W end of the San Gabriel Mountains:N near mouth of Wilson Canyon ca 1 mi leN of Olive View Hospital and 0.6 mile NW of the Wilson Debris Basin. 219 Comment
  SBBG32141  Calochortus splendens R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -230 Los Angeles between Middle Ranch Cyn and Cottonwood Cyn Comment
  UCD77255  Calochortus striatus Robert E. Preston 1998-6-19 1148 Los Angeles Lancaster, ca. 0.1 mi N of Avenue G, between railroad tracks and utility right-of-way. 705 Comment
  RSA590475  Calochortus venustus Timothy S. Ross, Walter Appleby 1993-5-20 7208 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  UCR280564  Calycoseris parryi R. G. Swinney 2014-4-10 16014 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
  RSA0095244  Calyptridium monandrum R. G. Swinney 2011-6-7 15025 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1585 Comment
  UC72619  Calyptridium monandrum Ernest Braunton 1902-4-29 251 Los Angeles North Pomona Pomona Comment
  UC1594401  Calystegia macrostegia subsp. amplissima Tim Ross 1992-4-14 6178 Los Angeles central e side San Clemente Island (stabilized rocky slop ca 230m distant from where Nanny Canyon drainage meets sea); central e side San Clemente Island, <nr> Nanny Canyon 74 Comment
  LA35973  Calystegia macrostegia subsp. cyclostegia Peter H. Raven; 1959-5-5 14057 Los Angeles Santa Monica Mountains, Mulholland Drive near Beverly Glen Blvd 137 Comment
  LA50075  Calystegia macrostegia subsp. intermedia Sharon Johnston; 1957-3-7 M 387 Los Angeles Vacant lot at Hilgard Ave. and Le Conte Ave. near UCLA 182 Comment
  RSA653471  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 748 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 426 Comment
  SDSU14830  Calystegia macrostegia subsp. macrostegia Patrick McConnell 2003-4-27 28 Los Angeles Chalk Canyon, approx 1/2 mile inland from Horse Beach, growing among Rhus, Encelia and Malacothamnus clementinus, SHOBA zone of San Clemente Island. 30 Comment
  RSA574329  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1994-6-20 2955 Los Angeles South Fork Lytle Creek 1000 Comment
  RSA729451  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1998-7-8 6311 Los Angeles San Gabriel Mtns.: N of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA762262  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2594 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  RSA624542  Camissonia boothii subsp. decorticans Louis C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: Between Little Tujunga and Oliver Canyons 556 Comment
  RSA244397  Camissonia californica Robin S. Collins 1973-4-9 229 Los Angeles San Gabriel Mountains, Angeles National Forest, Trail Canyon, near trail ca. 1/2 mile from its start. 609 Comment
  RSA279019  Camissonia californica Robert F. Thorne, C. W. Tilforth 1971-4-9 41556 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  OBI44912  Camissonia campestris subsp. campestris David J. Keil, V. L. Holland, Michael Stiles, & Francis Villablanca 1987-5-1 20062 Los Angeles San Gabriel Mts. Along Big Pine hwy W of Jackson Lake Comment
  POM7094  Camissonia micrantha P. A. Munz, L. T. Street, G. Williams 1919-3-8 2300 Los Angeles Pomona. Comment
  UCR223068  Camissonia pallida R. G. Swinney 2009-5-6 10681 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA727337  Camissonia pallida subsp. pallida R. G. Swinney 1998-5-16 6060 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  POM31973  Camissonia strigulosa E. D. Palmer 1902-04 s.n. Los Angeles Sandy wash S.E. of Glendora. Comment
  UC1122293  Camissonia strigulosa Jerome S. Horton 1936-5-26 348 Los Angeles Brown's Flat Cucamonga Quadrangle Comment
  UCSB8428  Camissoniopsis cheiranthifolia subsp. suffruticosa Wedberg, Lee 1954-4-19 Los Angeles Playa dal Rey 30 Comment
  CAS-BOT-BC160528  Camissoniopsis lewisii Alice Eastwood 1906-6-2 166 Los Angeles San Pedro Comment
  UC10291  Capsella bursa-pastoris W. H. Brewer Feb. 1861 169 Los Angeles San Gabriel Comment
  CDA24743  Capsella bursa-pastoris L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains; 0.4 mile southwest of Big Cienega on ridge on south side Big Dalton Canyon near mouth. Comment
  CAS-BOT-BC37901  Cardamine oligosperma Louis C. Wheeler 1932-3-20 506 Los Angeles San Dimas Canyon. San Gabriel Mountains. 518 Comment
  POM222249  Cardamine oligosperma L. C. Wheeler 1936-4-5 4083 Los Angeles San Dimas Canyon, San Gabriel Mts 670 Comment
  CATA1481  Carduus pycnocephalus Mark L. Hoefs, Steven A. Junak 1996-4-30 2682 Los Angeles Santa Catalina Island: By road past Parson's Junction, toward west end, just before Starlight Beach 152 Comment
  RSA0069438  Carduus pycnocephalus R. G. Swinney 2010-6-8 13206 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  SBBG117118  Carduus pycnocephalus subsp. pycnocephalus S. A. Junak with M. L. Hoefs, R. N. Philbrick 2001-5-18 SCa 1532 Los Angeles Cottonwood Cyn, ca. 2 mi inland from mouth of cyn 97 Comment
  RSA729951  Carex alma R. G. Swinney 1999-5-8 7127 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  SBBG119322  Carex densa V. Soza with S. Boyd 2002-4-10 1405 Los Angeles Haskell Cyn, Del Sur Ridge, Stables Fire 2001 area; T5N R15W S19, SW/4, SE/4 518 Comment
  RSA729709  Carex douglasii R. G. Swinney 1999-6-18 7331 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA600843  Carex fracta L. C. Wheeler 1966-9-21 8907 Los Angeles San Gabriel Mountains. South fork of Big Rock Creek in the vicinity of Lily Spring. 2529 Comment
  CAS-BOT-BC20856  Carex globosa Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3793 Los Angeles San Gabriel Mountains. Natural depression SSW of Crystal Lake. 1703 Comment
  POM21287  Carex senta Phillip A. Munz 1923-5-1 7775 Los Angeles Puddingstone Canyon, San Dimas 244 Comment
  CAS-BOT-BC116602  Carex subfusca John Thomas Howell 1947-7-18 23431 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  UCR130210  Carex triquetra M. B. Dunkle 1929-4-21 2140 Los Angeles Channel Islands, Santa Catalina Island, [near Avalon] Rock Spring Canyon Comment
  RSA364540  Carex triquetra Anstruther Davidson 1879-4-25 s.n. Los Angeles N of E R [Eagle Rock?] Comment
Read comments
Oct 25 2015
  UCR282320  Carthamus baeticus D. E. Bramlet 2011-5-11 4832 Los Angeles Puente Hills south of Rowland Heights, near site of old Nike missile base, 1.5 miles west of Brea Canyon Rd. and 2800 ft. east of Vantage Pointe Dr., south of Pathfinder Rd. 413 Comment
  LA52000  Castilleja affinis Carl Epling; M. Epling 1940-2-4 s.n. Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  LA82997  Castilleja affinis subsp. affinis O. H. Kappler; 1946-4-13 Los Angeles Antelope Valley, 10 mi S of Palmdale 914 Comment
  UCR131394  Castilleja exserta Alison Lipman 1998-5-3 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  POM292883  Castilleja foliolosa Lyman D. Benson, Joseph Lanjour, Robert Benson 1953-5-2 15104 Los Angeles Hills, north face of Swain Canyon, Whites Landing Santa Catalina Island. 61 Comment
  RSA0044703  Castilleja foliolosa Valerie L. Soza, Steve D. Boyd, Leland Lubinsky 2000-6-29 1046 Los Angeles Liebre Mountains: Knapp (Kelly) Ranch, Upper Cienega Canyon, off FS Road 7N22.1 976 Comment
  RSA400550  Castilleja foliolosa N. C. Cooper 1949-4-19 3624 Los Angeles Newhall. 457 Comment
  RSA0019746  Castilleja gleasoni Naomi Fraga, Emily Biben, Katie VinZant, Dani Henning 2013-7-12 4339 Los Angeles Of FS Road 3N17 near Mount Gleason. 1890 Comment
  UCR256858  Castilleja miniata subsp. miniata R. G. Swinney 2010-10-13 14016 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA0126994  Castilleja minor subsp. spiralis Louis C. Wheeler 1967-7-15 10021 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  UCR271975  Caulanthus amplexicaulis R. G. Swinney 2011-5-31 14893 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
  RSA628353  Caulanthus amplexicaulis var. amplexicaulis Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10234 Los Angeles Liebre Mountains region: Warm Springs Mountain, ca. 0.5 miles west of the peak along ridgeline dividing Warm Springs Canyon and Necktie Basin. 1189 Comment
  SFV22146  Caulanthus heterophyllus V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 771 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Alongside trail along south-southwest-facing slope. 518 Comment
  RSA0069889  Ceanothus crassifolius R. G. Swinney 2010-2-27 11742 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  RSA182756  Ceanothus crassifolius J. Massey, James Henrickson 1966-3-4 1049 Los Angeles Entrance of Coban Canyon. [Cobal Canyon] Comment
  RSA399846  Ceanothus crassifolius L. E. Hoffman 1932-3-8 s.n. Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC49265  Ceanothus cuneatus Carl B. Wolf; E. Norland 1941-7-1 11244 Los Angeles Rancho Santa Ana Botanic Garden - Prop. #4226 - Origin of propataion material - 6 3/10 mi. W. of Palmdale 883 Comment
  LA200798  Ceanothus cuneatus Norman A. Cole; May 1964 394 Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, 3.1 mi E of junction of Mulholland and Cornell Rd, Site No.5. 274 Comment
  RSA598934  Ceanothus cuneatus var. cuneatus Steve Boyd, Tim S. Ross 1997-3-21 9193 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SBBG119978  Ceanothus cuneatus var. cuneatus A. C. Sanders 2003-4-30 26198 Los Angeles Castaic Valley at W foot of Castaic Mesa, Newhall Ranch 366 Comment
  UC1745665  Ceanothus greggii var. vestitus Annetta M. Carter 1951-5-21 3059 Los Angeles Fork of Little Rock Creek 1.3 mi. S of Little Cedars Campground. San Gabriel Mtns. Comment
  CAS-BOT-BC50145  Ceanothus integerrimus H. E. McMinn 1926-7-22 1771 C Los Angeles Bear Canyon - about 1 mi from Eleven Oaks Camp - thence on trail to almost Bear Flat Comment
  CAS-BOT-BC50157  Ceanothus integerrimus Geo. B. Grant 1904-3-18 s.n. Los Angeles Summit Mt. Wilson 1676 Comment
  RSA606989  Ceanothus integerrimus Louis C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1250 Comment
  SEINET5339321  Ceanothus integerrimus A. A. Davidson 1892-1 s.n. Los Angeles Wilson's Peak Comment
  RSA562545  Ceanothus leucodermis Steve Boyd, W. Appleby 1993-4-22 8001 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
  SBBG68457  Ceanothus leucodermis M. N. Ackley -Apr-1929 Los Angeles La Crescenta 365 Comment
  UCR270492  Ceanothus leucodermis R. G. Swinney 2011-5-12 14687 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  POM9556  Ceanothus leucodermis P. A. Munz 1920-3-10 3330 Los Angeles 1.5 mi. east of Claremont. 366 Comment
  RSA399111  Ceanothus megacarpus Louis C. Wheeler 1932-2-20 448 Los Angeles Mandeville canyon, Santa Monica mtns. 137 Comment
  SD84808  Ceanothus megacarpus Reid Moran 1941-3-5 679 Los Angeles Side and bottom of Arroyo, Salta Verde, Santa Catalina Island 349 Comment
  UCR68909  Ceanothus megacarpus var. insularis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4194 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  CAS-BOT-BC51437  Ceanothus megacarpus var. megacarpus Geo. B. Grant 1901-4-21 s.n. Los Angeles Griffith Park Comment
  LA52227  Ceanothus megacarpus var. megacarpus Sharon Johnston; 1957-3-3 M- 302 Los Angeles Santa Monica Mountains, La Tuna Canyon, Tuna Canyon 1/2 way to top of ridge 152 Comment
  UC1070876  Ceanothus megacarpus var. megacarpus R. St. John 1930-1-20 75 Los Angeles 2 1/2 miles E of Triunfo Pass 640 Comment
  CAS-BOT-BC50488  Ceanothus oliganthus Brandegee 1889-5-1 31 Los Angeles Pasadena Comment
  HSC34726  Ceanothus oliganthus R. E. Cooksey Apr 1974 175 Los Angeles Little Dalton Canyon, above Glendora 457 Comment
  LA43644  Ceanothus oliganthus O. A. Plunkett; 1926-3-6 sn Los Angeles San Gabriel Mountains, Santa Anita Canyon Comment
  SEINET13946029 Image available Ceanothus oliganthus E. K. Balls 1950-1 14448 Los Angeles La Crescenta at upper end of town, on highway; 1563 ft alt. 476 Comment
  RSA0106841  Ceanothus oliganthus subsp. oliganthus R. G. Swinney 2011-5-10 14638 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
  SBBG54063  Ceanothus oliganthus var. oliganthus A. Griffith 1962-11-15 4499 Los Angeles Chantry Flat, Big Santa Anita Cyn Comment
  CAS-BOT-BC126850  Ceanothus pauciflorus Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Head of North Fork of Pacoima Canyon 1310 Comment
  LA42092  Ceanothus spinosus Harlan Lewis; 1940-2-24 1076 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  UC66842  Ceanothus spinosus N. K. Berg 1904-3-7 Los Angeles Santa Monica Comment
  CAS-BOT-BC277003  Centaurea diluta Grace Cole Fleischman 1952-6-9 s.n. Los Angeles At intersection of Antwerp & Imperial Aves., Watts Comment
  CDA1094  Centaurea melitensis Michael O Brien 2006-5-28 s.n. Los Angeles Malibu; El Pescador State Beach. Comment
  JEPS44128  Centaurea melitensis Elizabeth Day Palmer 1908-7-28 Los Angeles Comment
  LA200179  Centaurea melitensis Jonathan Sauer; R. Thaman 1970-6-6 4818 Los Angeles Santa Monica Mountains, Temescal Canyon, upper canyon 365 Comment
  POM155615  Centaurea repens M. L. Bryan 1928-7-30 31 Los Angeles Los Angeles Comment
  UCR99463  Centaurea repens L. C. Wheeler 1948-6-22 6658 Los Angeles South Coastal Plain, Culver City: Higuera Road at Ballona Creek Comment
  UC61537  Centaurium venustum Ernest Braunton Jun 1903 890 Los Angeles Glendale to Burbank Comment
  RSA0051678  Centranthus ruber Carol Haines 1964-5-7 116 Los Angeles Topanga Canyon Blvd., 5.5 miles NE of Highway 101, Santa Monica Mountains. 259 Comment
  CAS-BOT-BC279597  Centromadia pungens subsp. pungens Ernest Braunton 1903-6-1 899 Los Angeles L. A. River Comment
  SBBG118582  Centrostegia thurberi L. Gross with O. Mistretta, V. Soza 2003-5-13 871 Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  UC635057  Centrostegia thurberi var. thurberi Margaret Stason 1927-5-14 Los Angeles near Palmdale (Mohave Desert); Mohave Desert Comment
  UCR167316  Cerastium glomeratum Scott D. White, Brian Leatherman 2005-3-18 10797 Los Angeles South Coast, City of Glendora: 'South Hills' just N of the I-210 freeway. c. 0.3 air mi ENE of the I-210/Sunflower intersection 335 Comment
  RSA632002  Cerastium glomeratum L. C. Wheeler 1969-5-3 s.n. Los Angeles Bluebird truck trail. 716 Comment
  RSA453268  Cercocarpus betuloides var. betuloides L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest 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
  RSA599256  Cercocarpus betuloides var. betuloides Steve D. Boyd, Lauren Raz 1997-3-31 9431 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
  POM96076  Cercocarpus betuloides var. betuloides Philip A. Munz 1926-4-4 9999 Los Angeles Bouquet Canyon. 915 Comment
  UC415485  Cercocarpus betuloides var. betuloides unknown March 1901 Los Angeles Southern California 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
  RSA449417  Cercocarpus betuloides var. blancheae R. J. Smith 1934-5-25 s.n. Los Angeles Santa Catalina Island. Comment
  SEINET10483777  Cercocarpus betuloides var. blancheae Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4776 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
  UC453983  Cercocarpus betuloides var. blancheae I. J. Condit 1908-6-29 Los Angeles Santa Catalina Island Comment
  UC625129  Cercocarpus betuloides var. blancheae F. R. Fosberg 1931-5-6 54798 Los Angeles Cape Canyon, Santa Catalina Island Cape Canyon; Santa Catalina Island, Cape Canyon Comment
  POM11603  Cercocarpus ledifolius Philip A. Munz 1921-6-18 4562 Los Angeles San Antonio Mountains, Swartout Valley. 1829 Comment
  RSA449449  Cercocarpus ledifolius L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  UCR141372  Cercocarpus ledifolius R. G. Swinney 1997-8-19 5821 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
  CAS-BOT-BC143818  Cercocarpus ledifolius var. ledifolius H. E. McMinn 1926-7-22 1792 Los Angeles Mt. San Antonio, Bear Flat Trail Comment
  RSA729422  Cercocarpus ledifolius var. ledifolius R. G. Swinney 1998-8-27 6793 Los Angeles ridge due north of Big Horn Ridge and south of San Antonio Ridge hight spor on ridge above Coldwater Canyon. Montane coniferous forest and chaparral on ridge top. 2378 Comment
  RSA190888  Cercocarpus traskiae Robert F. Thorne 1967-5-18 36877 Los Angeles Santa Catalina Island, Wild Boar Gully (Cercocarpus Arroyo). 137 Comment
  SD112026  Cercocarpus traskiae Betsy Carpenter, Linda Allen 1975-3-23 Los Angeles Santa Catalina Island; Collected from the Botanical Garden by Mark Hoefs. Comment
  CAS-BOT-BC279513  Chaenactis artemisiifolia W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe Comment
  RSA0058225  Chaenactis artemisiifolia Richard G. Swinney 2010-4-23 12351 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  CAS-BOT-BC276894  Chaenactis fremontii Ira L. Wiggins; W. R. Ernst 1958-5-2 230 Los Angeles Desert flats 1 mile NW of Little Rock Comment
  UCR111499  Chaenactis glabriuscula A. C. Sanders, D. Malueg 1998-6-22 22023 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 Comment
  RSA0065464  Chaenactis glabriuscula D. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Avenue near Irwindale Avenue, Irwindale. Comment
  CAS-BOT-BC277348  Chaenactis glabriuscula var. glabriuscula Le Roy Abrams; E. A. McGregor 1908-6-20 362 Los Angeles Liebre Mountains 1371 Comment
  CAS-BOT-BC277365  Chaenactis glabriuscula var. glabriuscula Alice Eastwood 1919-5-29 8965 Los Angeles San Gabriel Canyon Comment
  POM351760  Chaenactis glabriuscula var. glabriuscula George B. Grant 1906-6-17 249 -6919 Los Angeles summit of Mt. Wilson Comment
  UCD130388  Chaenactis glabriuscula var. glabriuscula L. B. Ware 1971-4-24 s.n. Los Angeles West of Saint Bernard High School, Playa del Rey. Comment
  RSA765543  Chaenactis glabriuscula var. orcuttiana William Jones 2010-2-26 BOE- 1436 Los Angeles Ballona Lagoon, west bank- between Outrigger and Privateer Streets, Venice. 2 Comment
  UC284269  Chaenactis stevioides P. A. Munz 1923-5-26 6804 Los Angeles Big Rock Creek San Gabriel Mts., Big Rock Creek 1280 Comment
  CAS-BOT-BC279724  Chaenactis xantiana Timothy S. Ross 1995-4-26 8378 a Los Angeles Liebre Mountains. Southwesterly slope of Liebre Mountain along Forest Service Road 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft.) 1444 Comment
  RSA595461  Chaenactis xantiana Timothy S. Ross, Victor W. Steinmann 1995-5-8 8557 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  SBBG126033  Chaenactis xantiana A. Parikh, N. Gale 2010-5-10 3148 Los Angeles under power transmission lines just S of Hwy 138, 0.4 km E of 140th St W 785 Comment
  UCSB18319  Chaenactis xantiana Mori, Dianna 1964-5-3 Los Angeles Old Ridge Road, 3 miles from State Highway 138 1127 Comment
  RSA725194  Chamaesyce albomarginata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -47 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA435966  Chamaesyce albomarginata E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  LA50649  Chamaesyce melanadenia Mary Reynolds; 1937-4-15 114 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA70535  Chamaesyce melanadenia F. W. Peirson 1924-12-5 5380 Los Angeles Large colony on open bank above trail; Little Samnta Anita Canyon. Comment
  RSA128786  Chamaesyce polycarpa var. polycarpa P. H. Raven 1959-5-3 s.n. Los Angeles Matted on banks; open in oak woodland, Woodland Wilson Drive 1.6 miles west of Cahuenga Pass. 305 Comment
  CDA4803  Chamaesyce prostrata L. C. Wheeler 1969-5-8 s.n. Los Angeles Sierra Madre Elementary School: 160 Canon Ave. Sierra Madre. . 0 Comment
  RSA550684  Chamaesyce serpens T. S. Ross, Annette Ross 1991-7-29 5713 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  LA210141  Chamaesyce serpillifolia subsp. hirtula Arthur C. Gibson; 2007-8-15 5213 Los Angeles Santa Monica Mountains, Entering Lake Malibou 200 m. from bridge off Lake Vista Dirve Comment
  RSA716886  Chamaesyce serpillifolia subsp. serpillifolia LeRoy Gross 2006-6-19 2521 Los Angeles Forest Service road survey: Santa Clara Divide. Along road (3N17.6) from North Fork Saddle Station east to near 34.37875, 118.23062. Comment
  JEPS39323  Chamerion angustifolium subsp. circumvagum Frank W. Peirson 1921-7-17 2506 Los Angeles Prairie Fork <of> San Gabriel River San Gabriel Mountains 2133 Comment
  CAS-BOT-BC70018  Cheilanthes covillei Marcus E. Jones 1882-2-27 3033 Los Angeles Pasadena Comment
  RSA587482  Cheilanthes covillei Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1131 Los Angeles San Gabriel Mountains. Santiago Canyon. Slopes W of main drainage below Mt Emma. 1220 Comment
  RSA258388  Chenopodium ambrosioides C. W. Tilforth 1972-6-7 569 Los Angeles [Unspecified] Comment
  RSA592434  Chenopodium berlandieri L. C. Wheeler 1966-9-21 8903 Los Angeles San Gabriel Mountains. Upper Coldbrook Creek. 1448 Comment
  RSA226053  Chenopodium botrys R. F. Thorne, C. W. Tilforth 1971-6-17 39921 Los Angeles 0.6 mi. below Bear Divide station, San Gabriel Mountains, Angeles National Forest 732 Comment
  RSA3527  Chenopodium californicum C. B. Wolf 1932-5-9 3470 Los Angeles Santa Catalina Island. Pebbly Beach Canyon. about 1/2 mi. way to Mexican Houses. 61 Comment
  SBBG110449  Chenopodium californicum S. A. Junak 1997-10-20 SCl 967 Los Angeles coastal slopes just S of southernmost cyn in Bryce Cyn complex 54 Comment
  UC1136400  Chenopodium californicum Jerome S. Horton 1936-4-17 287 Los Angeles old road n Flume #10; Pomona Quadrangle, Monroe Watershed, Monroe Canyon 609 Comment
  UCR255801  Chenopodium californicum R. G. Swinney 2010-5-12 12740 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  LA50750  Chenopodium californicum A. H. Lange; 1951-5-17 Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  UCR272527  Chenopodium fremontii R. G. Swinney 2011-7-8 15468 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
Read comments
Jan 24 2017
  RSA478520  Chenopodium macrospermum var. farinosum Anstruther Davidson 1896-10 s.n. Los Angeles San Pedro. Comment
  UC1211160  Chenopodium murale Huron H. Smith 1912-5-3 4918 Los Angeles Azusa 243 Comment
  RSA534019  Chenopodium murale T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5306 Los Angeles San Clemente Island, ridge between the two forks of Near-Death Canyon (draining to Mosquito Cove). About 1000 ft. NNE of Rest (1336 ) marker. 396 Comment
  RSA748059  Chenopodium pratericola R. G. Swinney 2005-7-21 8329 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UCR66734  Chenopodium pumilio L. C. Wheeler 1932-7-2 00894 Los Angeles San Gabriel Mtns., San Dimas Canyon 457 Comment
  RSA624498  Chenopodium pumilio L. C. Wheeler 1936-6-8 4137 Los Angeles San Gabriel Mountains: Mouth of Bell Canyon. 609 Comment
  RSA670803  Chlorogalum pomeridianum var. pomeridianum Joseph M. Keefe 2001-3-13 31086 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042 256 Comment
  CAS-BOT-BC257278  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-4-24 2527 Los Angeles Santa Clara River Valley: Valencia, Newhall Ranch, entrance to Magic Mountain Theme Park, survey area 62 549 Comment
  NY468364  Chorizanthe parryi var. fernandina S. B. Parish 06 1887 1987 Los Angeles San Fernando Valley Comment
  POM2186  Chorizanthe parryi var. fernandina L. R. Abrams 1901-4-4 1337 Los Angeles Chatsworth Park. Comment
  UCD170166  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-4-24 2527 Los Angeles Santa Clara River Valley: Valencia, Newhall Ranch, entrance to Magic Mountain Theme Park, survey area 62. 366 Comment
  JEPS108295  Chorizanthe spinosa David Gowen 2005-5-21 352 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th St. West. Comment
  SBBG36976  Chorizanthe staticoides Anstruther Davidson 1895-1 Los Angeles Los Angeles Comment
  UCR155359  Chorizanthe staticoides A. C. Sanders 2005-5-5 29872 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  UCR195289  Chorizanthe staticoides Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1170 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 518 Comment
  RSA392769  Chorizanthe watsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA698751  Chorizanthe watsonii LeRoy Gross, Paul Morton 2004-6-9 1360 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1732 Comment
  UCR45033  Chrysanthemum coronarium A. C. Sanders 1986-7-30 6809 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
  CDA1279  Cirsium mohavense T. C. Fuller 1960-7-14 4912 -A Los Angeles W side of Hwy 6, 4 mi. N/Lancaster, 0.5 mi. S/ Hwy 138. Comment
  CAS-BOT-BC285401  Cirsium occidentale var. californicum Geo. W. Garrettson 1954-7-21 s.n. Los Angeles Puente Hills Comment
  UCR256463  Cirsium occidentale var. coulteri R. G. Swinney 2010-6-8 13188 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  POM352179  Cirsium occidentale var. occidentale F. R. Fosberg 1931-5-14 4876 Los Angeles Santa Catalina Island. Middle Ranch Canyon, above ranch. 220 Comment
  UCR150847  Cirsium vulgare R. G. Swinney, Dave Larson 1999-5-15 7163 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  CAS-BOT-BC285794  Cirsium vulgare E. R. Blakley 1962-10-5 5466 Los Angeles Middle Ranch Canyon between the mouth of Cape Canyon and its head. Santa Catalina Island 228 Comment
  RSA550682  Cirsium vulgare Timothy S. Ross, Annette Ross 1991-7-29 5725 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  SBBG20576  Cistanthe maritima E. R. Blakley 1963-12-7 6317 Los Angeles W of Pyramid Head, S of Lighthouse 38 Comment
  SBBG98081  Cistanthe maritima T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5211 Los Angeles 1300 ft NNW of Guds (888') marker 228 Comment
  RSA466595  Cistanthe monandra Fay A. MacFadden 1931-4-9 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA578281  Cistanthe monandra Timothy S. Ross, Steve Boyd 1994-5-4 7644 Los Angeles Liebre Mountains, San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit. 1055 Comment
  RSA725130  Cistanthe monandra Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -61 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  CATA3003  Cistus incanus Peter J. Dixon 2015-3-17 037 Los Angeles Santa Catalina Island: Hamilton Cove, 288 m west of ocean 70 Comment
  SFV17370  Cistus incanus J. N. Hogue, D. L. Bishop 1998-5-28 110 .5 Los Angeles San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area. 976 Comment
  UCSB42349  Cistus ladanifer Taylor, A. 1980-5-17 Los Angeles S side of Glendora Mountain Road; 8.6 miles east of San Gabriel Canyon Road, San Gabriel Mtns. 944 Comment
  RSA0085031  Clarkia bottae R. G. Swinney 2010-6-21 13277 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  CAS-BOT-BC172254  Clarkia cylindrica subsp. cylindrica W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Liebre Campground, Liebre Mtn., Angeles National Forest 1645 Comment
  POM153209  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 44 Los Angeles On Ridge Route, 1.5 miles S of Lebec 1200 Comment
  UC501457  Clarkia cylindrica subsp. cylindrica Frank W. Peirson 1922-6-3 771 Los Angeles Collin Ranch, n slope of mts. Liebre Mts. 1219 Comment
  UC114014  Clarkia dudleyana R. D. Williams 1905-6-19 Los Angeles Burbank Canyon Claremont 609 Comment
  UC146459  Clarkia dudleyana LeRoy Abrams 1902-7-1 2625 Los Angeles near Santa Anita Canyon; Wildon's Trail; Wilson's trail, near Santa Anita Canyon, Los Angeles Co. 762 Comment
  POM153246  Clarkia purpurea subsp. quadrivulnera C. L. Hitchcock 1928-5-1 53 Los Angeles Evey s Canyon, near Claremont. 274 Comment
  SD3276  Clarkia purpurea subsp. viminea Ruth B. Randall 4/1925 213 Los Angeles Mint Canyon Comment
  UCR192886  Clarkia rhomboidea R. G. Swinney 1998-7-10 6354 Los Angeles San Gabriel Mtns., Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  RSA545319  Clarkia similis Tim S. Ross 1992-5-17 6342 Los Angeles San Gabriel Mountains: center W side of the San Gabriel Reservoir; short easterly spur canyon along Highway 39. 463 Comment
  SD197834  Clarkia similis Peter L. Morrell, L. D. Gottlieb, Vera Ford 1996-4-10 489 Los Angeles San Gabriel Mountains: San Antonio Canyon, Mount Baldy Road, along edges of trail in Evey Canyon, trail begins beyond curve within 200 meters of entrance, just beyond large rock outcrop. 719 Comment
  CHSC96309  Clarkia unguiculata LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 949 Los Angeles Transverse Ranges: Verdugo Mountains region: West end of the mountains: At junction (saddle) of Verdugo Motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway) Basically a triangle. UTM Zone: 3787689N 0378361E. 563 Comment
  RSA596803  Clarkia unguiculata Tim S. Ross, J. Mark Porter 1995-5-4 8500 Los Angeles Texas Canyon: ca 2.65 road miles NE of Bouquet Canyon Road. 610 Comment
  UC1719584  Clarkia xantiana subsp. parviflora Monica Geber with Vincent Eckhart 1995-6-6 Los Angeles Northern foothills of San Gabriel Mountains, off L. A. County Road just W of the mouth of the canyon of Big Rock Creek, about 2 km SE of Valyermo Post Office. Comment
  CAS-BOT-BC439509  Claytonia parviflora subsp. parviflora Le Roy Abrams; E. A. McGregor 1908-6-19 345 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA587106  Claytonia parviflora subsp. utahensis Orlando Mistretta 1995-4-21 1626 Los Angeles San Gabriel Mts., Little Rock Creek, Unnamed Canyon draining the west slopes of Little Rock Creek Canyon 0.5 mile North of Kitter Canyon. 1037 Comment
  SFV1191  Claytonia perfoliata P. G. Kilburn 1958-3-29 668 Los Angeles Santa Susana Mountains Oat Mountain, Phil Gentile Ranch. On north slope, 200 yards west of road. Comment
  UCR172705  Claytonia perfoliata Jun Hu, Weena Sangkatavat 2000-4-22 02 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  SEINET13386995 Image available Claytonia perfoliata subsp. mexicana R. G. Swinney 2011-1 15035 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road (Chilao Flat 7.5' Q.) (T3N R11W S27) 1585 Comment
  UC852089  Claytonia perfoliata subsp. mexicana Ira W. Clokey, B. Templeton Mar 1929 4525 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 275 Comment
  UCR272584  Claytonia perfoliata subsp. mexicana R. G. Swinney 2011-6-7 15035 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  RSA600350  Claytonia perfoliata subsp. perfoliata Steve Boyd, Lauren Raz 1997-3-26 9380 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 1311 Comment
  RSA650584  Claytonia perfoliata subsp. perfoliata P. A. Hall 1948-4-17 s.n. Los Angeles 5 mi. from Glendora up the Glendora Mt. Road. 518 Comment
  RSA15255  Clematis lasiantha Fay A. MacFadden 1931-05 3007 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA0087235  Clematis ligusticifolia R. G. Swinney 2010-9-13 13819 Los Angeles 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
  RSA191015  Clematis ligusticifolia Robert F. Thorne 1963-7-11 32782 Los Angeles Foothill Woodland-Mixed Evergreen Forest near entrance to Upper Shake Campground, ca 3 miles W of Lake Hughes, Angeles National Forest. Comment
  RSA65781  Cleomella parviflora Mabel Peirson 1932-4-17 9858 Los Angeles Lovejoy Dam, Lovejoy Butte, SW Mojave Desert. Comment
  UCR142534  Cnicus benedictus L. C. Wheeler 1967-6-26 9915 Los Angeles San Gabriel Mtns, Placerita Canyon; c. 0.25 mile east of highway 457 Comment
  RSA639235  Cnicus benedictus R. F. Thorne 1971-5-18 41354 -A Los Angeles Santa Catalina Island: Near mine on Blackjack Mountain. 518 Comment
  CAS-BOT-BC240957  Collinsia parryi Thomas Craig 1927-5-4 296 Los Angeles Cobal Canyon, above Claremont 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
  RSA0073300  Collinsia torreyi var. wrightii Bonnie C. Templeton 1932-6-1 4868 Los Angeles East Blue Ridge, Big Pines Park, San Gabriel Mts. 1829 Comment
  SEINET10317250 Image available Collinsia wrightii Wesley O. Griesel 1962-5-28 Los Angeles Big Pines, San Gabriel Mountains 1829 Comment
  RSA165690  Collomia grandiflora Lawrence T. McHargue, Brian C. Miller 1963-7-6 s.n. Los Angeles Sawmill Mt. Campground 1616 Comment
  RSA71951  Collomia grandiflora F. W. Peirson 1923-6-9 3548 Los Angeles Pine Canyon, Elizabeth Lake 1159 Comment
  SEINET2445249  Collomia grandiflora Leigh A. Johnson 1994-6-9 94 -038 Los Angeles Angeles Natl. Forest, Burnt Peak vicinity. 0.6 miles W along FS rd. 7N23 from jct. with 7N23B (2.5 miles from HWY N2 access to Upper Shake Campground).; 0 1500 Comment
  RSA253126  Comarostaphylis diversifolia subsp. planifolia Gary D. Wallace 1975-3-22 1404 Los Angeles Santa Catalina Island, WNW of Mt. Orizaba, NNE of Mt. Banning, in canon that is a branch of Cottonwood Canyon. 287 Comment
  RSA467085  Comarostaphylis diversifolia subsp. planifolia Katherine Kneen 1933-8-5 s.n. Los Angeles Santa Monica Mountains: W side Topango [Topanga] Canyon; ca. 3 miles from mouth. 152 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
  RSA0002500  Convolvulus peirsonii F. W. Peirson 1923-5-27 3537 Los Angeles On north bank of canyon of Rock Crrek, north base of San Gabriel Mts. Comment
  UCR209877  Conyza canadensis R. G. Swinney 2008-9-9 9330 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA301930  Conyza canadensis J. R. Shevock 1972-9-16 2259 Los Angeles Along Malibu Creek, Malibu Canyon. 305 Comment
  POM355863  Conyza coulteri Robert Gustafson 1980-8-29 1882 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  UC195500  Conyza floribunda D. L. Crawford 1915-8-10 548 Los Angeles Claremont Comment
  RSA602561  Cordylanthus rigidus subsp. setiger Louis C. Wheeler 1967-8-28 10551 Los Angeles San Gabriel Mountains: Gold Dollar Mine at head of Dry Gulch off Coldwater Canyon. 2195 Comment
  SFV3358  Cordylanthus rigidus subsp. setigerus F. M. Ball 1962-8-22 Los Angeles Cold Canyon Road about 0.25 miles northeast of Monte Nido Fire Station. Open areas on gentle slope near road. Comment
  CAS-BOT-BC101021  Coreopsis gigantea Geo. B. Grant s.n. Los Angeles Catalina Comment
  NY43413  Coreopsis gigantea J. B. Walker 1995-6-5 1430 Los Angeles Santa Catalina Island, 2km S of Avalon 4 Comment
  CAS-BOT-BC105718  Corethrogyne filaginifolia Le Roy Abrams 1904-9-2 4170 Los Angeles Elysian Park, Los Angeles Comment
  RSA597784  Corethrogyne filaginifolia Scott D. White 1996-3-18 3837 Los Angeles Marina del Rey area. Ballona Creek, floodplain and adjacent N-facing slope, W of Lincoln Blvd. and S of Jefferson Blvd. 3 Comment
  UC586862  Corethrogyne filaginifolia Joseph Andorfer Ewan 1934-8-11 8333 Los Angeles Chilao San Gabriel Mts. 1645 Comment
  RSA3600  Cornus glabrata C. B. Wolf 1932-5-13 3617 Los Angeles Forks of Hamilton Canyon, Santa Catalina Island 91 Comment
  UC21510  Cornus glabrata Blanche Trask June, 1890 Los Angeles Santa Catalina Isl., Avalon Comment
  RSA659153  Cortaderia selloana Scarlett Mellin 1994-5-28 23 Los Angeles Diamond Bar Hills; Sycamore Canyon Park, N. of Grand Ave. on Golden Springs Drive. Comment
  UCR48973  Cortaderia selloana A. C. Sanders 1987-9-18 7372 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  CAS-BOT-BC291371  Cotula coronopifolia Le Roy Abrams 1899-3-4 863 Los Angeles Inglewood Comment
  SFV1572  Crassula connata K. A. Wilson 1962-4-3 1262 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of New Topanga Canyon Road. 245 Comment
  RSA609510  Crassula connata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, east of Glendora. Comment
  CATA349  Cressa truxillensis Mark L. Hoefs 1973-7-20 392 Los Angeles Santa Catalina Island: By main road at Little Harbor 4 Comment
  UC879477  Cressa truxillensis L. W. Nuttall 804 Los Angeles Santa Catalina Isl. Comment
  UC1929561  Crocanthemum scoparium var. vulgare V. Soza, LeRoy Gross 2001-5-14 1219 Los Angeles Transverse Ranges; San Gabriel Mountains region; Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UC73466  Crocanthemum scoparium var. vulgare Miss E. D. Palmer 1904-11-1 Los Angeles vicinity Los Angeles Comment
  RSA12744  Crossosoma californicum C. B. Wolf 1932-5-9 6095 Los Angeles Santa Catalina Island. Junction of Upper Pebbly Beach Road and road to Renton Mine. 121 Comment
  UC792951  Crossosoma californicum R. V. Moran 1949-2-9 3154 Los Angeles Cherry Valley Catalina Island Comment
  POM93651  Crossosoma californicum George B. Grant 1898-2-19 6408 Los Angeles Santa Catalina Island Comment
  RSA480566  Croton californicus Ora M. Clark 1928-12-23 1382 Los Angeles Hermosa. Comment
  RSA569530  Croton californicus E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  UC917889  Croton californicus Frank W. Gould 1944-3-26 2180 Los Angeles near Walteria; Palos Verdes Hills Comment
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May 24 2013
  UCR252564  Cryptantha R. G. Swinney 2010-6-21 13261 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
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Dec 7 2018
  CAS-BOT-BC189395  Cryptantha circumscissa Ernest C. Twisselmann 1959-6-2 5343 Los Angeles Old Ridge Route, 1.2 miles S of the Lancaster Highway 1097 Comment
  RSA0113437  Cryptantha circumscissa var. circumscissa LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7540 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  SBBG79099  Cryptantha clevelandii F. R. Fosberg 1931-3-24 4350 Los Angeles Hamilton Cyn 30 Comment
  UCR131373  Cryptantha clevelandii Jeremiah George 2001-5-29 01 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  UCR155115  Cryptantha clevelandii A. C. Sanders 2005-5-5 29910 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  RSA802445  Cryptantha clokeyi Orlando Mistretta, Youssef Atallah 2011-8-16 6049 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  UCR127891  Cryptantha corollata A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26092 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
  RSA761148  Cryptantha intermedia R. G. Swinney 2008-10-10 9564 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  SD90553  Cryptantha intermedia Robert F. Thorne 1973-4-11 42782 Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon 424 Comment
  UCR177761  Cryptantha intermedia LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1075 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  UCR205105  Cryptantha intermedia R. G. Swinney 2008-4-11 8667 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR259682  Cryptantha intermedia R. G. Swinney 2010-4-1 12124 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA79568  Cryptantha intermedia F. W. Peirson 1919-2-12 320 Los Angeles Hills west of Arroyo Seco, near Pasadena 427 Comment
  RSA0001777  Cryptantha intermedia var. johnstonii I. M. Johnston 1918-5-15 1938 Los Angeles Claremont. [Campus by Harwood Hall.] 366 Comment
  RSA611427  Cryptantha micromeres L. C. Wheeler 1936-6-1 4107 Los Angeles Tan Bark Flat, San Dimas Canyon. 853 Comment
  UCR127070  Cryptantha microstachys Mark A. Elvin, Cathleen Weigand 2003-4-8 2464 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  UCR177304  Cryptantha microstachys LeRoy Gross 2003-5-4 820 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, along east side of Brand canyon a short distance above the large waterfall 393 Comment
  UCR108466  Cryptantha muricata L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mtns., Mesa on the W side of Bear Creek, off West Fork of San Gabriel River 610 Comment
  UCR220247  Cryptantha muricata R. G. Swinney 2009-4-28 10516 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA587335  Cryptantha muricata Orlando Mistretta 1992-05 211 Los Angeles San Gabriel Mountains: Little Rock Creek. Alimony Ridge. 1463 Comment
  RSA115723  Cryptantha nevadensis var. rigida E. C. Twisselmann 1955-6-23 2206 Los Angeles Mt Abel Road, at Kern County line 1646 Comment
  UC1178543  Cryptantha pterocarya Peter Kamb 1948-5-6 933 Los Angeles above Little Rock (foothills of San Gabriel Mts.); San Gabriel Mts. 975 Comment
  UCR280533  Cryptantha pterocarya var. purpusii R. G. Swinney 2014-4-10 16021 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
  UCR281324  Cryptantha pterocarya var. purpusii R. G. Swinney 2014-4-30 16257 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  JEPS18416  Cryptantha traskiae P. A. Munz 1923-4-9 6674 Los Angeles San Clemente Island, on e coast San Clemente Island Comment
  SEINET10682293  Cucurbita Heidi H. Schmidt 1999-10-14 Schmidt 3833 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  CAS-BOT-BC8996  Cupressus arizonica Scott D. White; Justin Wood 2008-5-6 11393 Los Angeles Puente/Chino Hills 365 Comment
  CAS-BOT-BC224480  Cuscuta californica I. M. Johnston 1917-8-22 1686 Los Angeles San Antonio Mountains. Pine Mt. 2438 Comment
  LA105156  Cuscuta californica A. C. Sanders; 1987-7-22 7173 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd 30 Comment
  CATA520  Cuscuta californica var. californica Sara L. Crockett 1997-4-22 667 Los Angeles Santa Catalina Island: First N/S-trending ridge toward Pacific Ocean, E of jct. of Wrigley Memorial Trail with East End Road, ca. 75 m S of road 291 Comment
  RSA588684  Cuscuta denticulata Orlando Mistretta 1995-7-12 1898 Los Angeles Little Rock Creek, just N of Guard Station along Little Rock Creek, below dam 976 Comment
  UCR95755  Cuscuta subinclusa Lauren Raz, Steve Boyd 1996-10-23 15 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  UC23278  Cuscuta subinclusa Brewer 1800-1 68 Los Angeles Comment
  JEPS22773  Cycladenia humilis var. venusta Rimo Bacigalupi with Reino Alava 1958-7-20 6430 Los Angeles along Angeles Crest Highway (State Highway 2) just s Mt. Lewis (just w of Dawson Saddle, above headwaters of South Fork of Big Rock Creek, San Gabriel Mts.); San Gabriel Mts., above headwaters South Fork Big Rock Creek 2429 Comment
  CAS-BOT-BC56698  Cylindropuntia californica var. parkeri Alice Eastwood 1913-5-11 3169 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA483539  Cynodon dactylon F. R. Fosberg 1930-6-26 S- 3044 Los Angeles Lower Ballona Creek. 7 Comment
  SEINET10468126  Cynodon dactylon David B. Dunn 1947-7-20 Dunn 2992 Los Angeles Collected at 316 n avenue 50. Comment
  SD215320  Cyperus difformis Louis C Wheeler 1946-9-8 6361 Los Angeles San Gabriel Mountains: San Gabriel Canyon, 1/4 mile below forks along highway on west side. Comment
  SEINET7581651 Image available Cyperus eragrostis Steve Boyd, Orlando Mistretta 1996-5-23 8827 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 469 Comment
  RSA762264  Cyperus eragrostis Orlando Mistretta, Christine Mistretta 2008-5-5 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  UCSC000703  Datura stramonium var. stramonium Louis C. Wheeler 1932-8-17 1138 Los Angeles 2 mi. N Claremont. Sandy soil in Citrus grove Claremont, Citrus grove 411 Comment
  CATA2939  Datura wrightii Sarah Ratay, Sula Vanderplank, Lucinda McDade, Jeanie Shelton 2009-10-26 108 Los Angeles Santa Catalina Island: Up road from top end of Wrigley Botanic Garden 130 Comment
  SBBG84735  Deinandra clementina M. R. Benedict 1971-6-25 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  CAS-BOT-BC299270  Deinandra fasciculata John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  CAS-BOT-BC299311  Deinandra fasciculata E. M. Anderson; I. W. Clokey 1935-5-9 6948 Los Angeles Pomona Hills 400 Comment
  UC34681  Deinandra fasciculata H. M. Hall 1902-5-12 3289 Los Angeles near Los Angeles; Howard Summit Comment
  UC2026453  Deinandra kelloggii Louis C. Wheeler 1965-6-21 8696 Los Angeles LIEBRE MOUNTAIN: Two Shay Ranch, Bouquet Canyon. Comment
  CAS-BOT-BC9097  Delphinium cardinale Louis Cutter Wheeler 1947-6-27 6531 Los Angeles San Gabriel Mountains: San Gabriel Wash, 0.25 miles south of Arrow Highway Comment
  UC1595397  Delphinium cardinale Tim Ross and Peter Fritsch 1990-6-20 3697 Los Angeles w side of canyon on Forest Service Rd 1N36 heading s from Rincon-Red Box Rd; San Gabriel Mountains, Van Tassel Canyon 472 Comment
  UC854075  Delphinium cardinale Ira W. Clokey, B. Templeton 1929-8-1 4601 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  RSA394495  Delphinium cardinale Wm. Martin 1971-8-25 s.n. Los Angeles On the road to Saddle Peak, Santa Monica Mountains. Comment
  SBBG53215  Delphinium parryi subsp. maritimum S. A. Junak 1978-4-16 SCa 43 Los Angeles small cyn W of Fourth of July Cove Comment
  UCR270642  Delphinium parryi subsp. parryi R. G. Swinney 2011-3-22 14188 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  POM307819  Delphinium parryi subsp. parryi Henry J. Ramsey, Henry J. Ramsey 1938-6-11 2741 Los Angeles Eaton Canyon Park, Altadena. Comment
  CAS-BOT-BC33225  Delphinium parryi var. maritimum LeRoy Abrams 1901-4-1 1186 Los Angeles Near Ballona Harbor Comment
  UCD96559  Delphinium patens subsp. hepaticoideum James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles San Gabriel Mts., Angeles National Forest, Trail Canyon, off of Big Tujunga Cyn Rd. About 1 mile up the trail. Comment
  UCSB33257  Delphinium patens subsp. hepaticoideum Miller, Brian 1963-6-15 Los Angeles Singing Springs, Mill Creek Canyon San Gabriel Mts. 1219 Comment
  NY42970  Dendromecon rigida J. B. Walker 1995-3-29 1290 Los Angeles Angeles National Forest, Angeles Crest Hwy, 6km W of Rt N3 1000 Comment
  RSA0034896  Dendromecon rigida Kelly Williams 1980-4-30 21 Los Angeles 1.5 mi. E of Stunt Rd., Mulholland Hwy. 457 Comment
  RSA595955  Deschampsia danthonioides J. Travis Columbus, C. R. Annable, C. dos Santos, J. Mark Porter, M. E. Siqueiros D 1996-6-5 2688 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 rd. mi. W from jct. with Sierra Hwy., In vernal pool basin (not evident from rd.) on shelf just N of and above Plum Canyon bottom and rd turnout with an adjacent Populus sp., in NE of 3 small depressions within basin 610 Comment
  UCR273569  Deschampsia danthonioides R. G. Swinney 2011-6-15 15179 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA763231  Descurainia pinnata Justin M. Wood 2010-5-10 1569 Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  UCR184538  Descurainia pinnata A. C. Sanders, T. B. Salvato 2007-4-24 33509 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  UCR190458  Descurainia pinnata R. G. Swinney 2001-4-18 7888 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  RSA651376  Descurainia pinnata Charles D. Dunn 1972-4-2 s.n. Los Angeles Palmdale. 975 Comment
  SD1933  Descurainia pinnata subsp. glabra Ruth B. Randall 1931-7-9 176 Los Angeles Recreation Ground, Big Pine Swartout Comment
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Jul 5 2010
  UC10803  Descurainia pinnata subsp. menziesii W. H. Brewer 1861-2-16 197 Los Angeles San Fernando Valley Comment
  CLARK-A1528-2309  Descurainia sophia Alfred R. Roos 1954-5-4 Los Angeles Encino Comment
  UCD114788  Descurainia sophia M. P. Kelly 1918-5-23 s.n. Los Angeles Antelope Valley, Mahone Ranch. Comment
  UCD114810  Descurainia sophia M. Vincent 1962-2-19 135 Los Angeles near Piuma Road, 5 miles east of Malibu Canyon Road. Comment
  RSA199185  Desmazeria rigida R. F. Thorne, D. Propst 1968-5-28 37658 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  CAS-BOT-BC402269  Dicentra chrysantha Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. near Pasadena Comment
  RSA433593  Dicentra ochroleuca Bonnie C. Templeton, I. W. Clokey 1930-4-2 s.n. Los Angeles Mandeville Canyon, Santa Monica Mts Comment
  CATA1026  Dichelostemma capitatum Mark L. Hoefs 1995-5-4 1947 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  UCR270992  Dichelostemma capitatum R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14334 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
  CAS-BOT-BC483615  Dichelostemma capitatum I. W. Clokey; R. C. Anderson 1938-5-17 7875 Los Angeles Lovell Canyon 1600 Comment
  POM17606  Dieteria canescens var. canescens P. A. Munz 1923-8-30 7664 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  UCR260814  Digitaria Steve Ries 2009-12-10 s.n. Los Angeles South Coastal Plain Region, weed in turf on north edge of Los Angeles Basin Comment
  HSC5262  Digitaria sanguinalis John Warner Hosking 1964-10-26 Los Angeles El Camino College Comment
  CAS-BOT-BC152899  Diplacus brevipes Grant 1901-4-7 3770 Los Angeles Near Laurel [Canon] Canyon Comment
  CAS-BOT-BC153055  Diplacus fremontii Le Roy Abrams 1901-4-6 1379 Los Angeles Big [Tunga] Tujunga Wash Comment
  SD72760  Distichlis spicata F. R. Fosberg 1931-4-29 S 4726 Los Angeles Cottonwood Canyon, Santa Catalina Island, on flat 2 Comment
  UC56907  Dithyrea maritima Ernest Braunton 1902-5-25 285 Los Angeles Hermosa Beach Comment
  UCR140426  Dodecatheon clevelandii June Latting 1958-3-30 218 Los Angeles San Gabriel Mtns., end of Live Oak Canyon Road, 3 miles north of Claremont 610 Comment
  RSA461487  Dodecatheon clevelandii Anstruther Davidson 1890-02 s.n. Los Angeles Los Angeles. Comment
  POM145394  Dodecatheon clevelandii subsp. clevelandii Marcus E. Jones 1928-4-8 s.n. Los Angeles Johnson's Pasture, 3 miles north of Claremont. Comment
  SD90429  Dodecatheon clevelandii subsp. insulare Robert F. Thorn, M. Z. Thorne 1973-2-12 42465 Los Angeles Santa Catalina Island; Blue Cavern Point 60 Comment
  UCR282210  Draba cuneifolia Gary Hans 2015-2-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south of 'one-mile tree 281 Comment
  CAS-BOT-BC157700  Drymocallis glandulosa var. glandulosa Alice Eastwood 1919-5-29 8992 Los Angeles San Gabriel Canyon Comment
  LA200106  Dryopteris arguta Lawrence L. Kiefer; 1966-4-10 1847 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi below Camp Josepho. 304 Comment
  LA94253  Dryopteris arguta Lawrence L. Kiefer; 1966-4-30 1916 Los Angeles SANTA MONICA MOUNTAINS, Serrano Canyon Road, ca 2 mi W of Yerba Buena Rd. 396 Comment
  UCR259074  Dryopteris arguta R. G. Swinney 2010-8-9 13481 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  CAS-BOT-BC67901  Dryopteris arguta Mrs. Frank 1900-2-1 s.n. Los Angeles Sta. Catalina Island Comment
  UCR16122  Dudleya cymosa subsp. minor William E. Wayburn 1973-5-30 730530- 01 Los Angeles San Gabriel Mtns., c. 1 mi west from Baldy Village, 1/2 mi southwest of Cow Canyon Saddle on [Sunset Ridge Fire Road], Sunset Peak 1524 Comment
  LA93289  Dudleya cymosa subsp. ovatifolia David S. Verity; 1975-6-1 sn Los Angeles Santa Monica Mountains, Malibu Creek State Park, rock cliff below dam Comment
  RSA587043  Dudleya cymosa subsp. pumila Orlando Mistretta 1994-5-10 1694 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. West Fork. 1585 Comment
  RSA423524  Dudleya densiflora Erwin Miller 19243 Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  LA200386  Dudleya lanceolata Kei Nakai; 1980-5-25 609 Los Angeles 274 Comment
  RSA131252  Dudleya lanceolata P. C. Everett, E. K. Balls 1959-5-22 23805 Los Angeles Big Rock Creek, N slopes, San Gabriel Mts, from Valyermo 1220 Comment
  CAS-BOT-BC411382  Dudleya lanceolata Geo. L. Fisher 1929-6-9 s.n. Los Angeles San Fernando 304 Comment
  UC1015161  Dudleya lanceolata Reid Moran 1946-5-30 2062 Los Angeles 2.5 mi below Rincon Guard Station (near topotype); San Gabriel Canyon 518 Comment
  RSA527809  Dudleya multicaulis T. S. Ross, Annette H. Ross 1991-6-3 5529 Los Angeles Elephant Hill: W Pomona. 287 Comment
  RSA135890  Dudleya virens P. H. Raven 1962-5-8 17607 Los Angeles San Clemente Island, 1.8 miles S of Eel Point Comment
  RSA506752  Dudleya virens subsp. insularis Reid V. Moran 1972-5-27 19143 Los Angeles to 50m seal bluffs just east of Pt. Vicente 5 Comment
  RSA127812  Echinochloa colona P. H. Raven, H. J. Thompson 1959-9-18 14445 Los Angeles University of California, West Los Angeles. Santa Monica Mountains 130 Comment
  RSA594400  Echinochloa crus-galli Steve Boyd, Lauren Raz 1996-10-14 9077 Los Angeles Liebre Mountains region, 'Cow Spring Pond', a sag pond along the San Andreas Fault at the north base of Liebre Mountain in Oakdale Canyon, just west of confluence of Cow Spring Canyon. 1159 Comment
  RSA608331  Echinodorus berteroi L. C. Wheeler 1951-8-20 6835 Los Angeles Pasadena: Devils Gate Dam. Comment
  UCR73185  Echium candicans Scott D. White 1992-10-8 883 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  LA29207  Ehrendorferia ochroleuca Blaire; Mary V. Hood, Jean Wylie 1936-5-17 100 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  CATA1755  Ehrharta calycina Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3197 Los Angeles Santa Catalina Island: Upper Bulrush Canyon, below 2nd reservoir 304 Comment
  RSA746792  Ehrharta calycina R. G. Swinney 2008-3-26 8567 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  IRVC28416  Ehrharta erecta A. C. Sanders 2003-5-26 26838 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel San Gabriel Valley 171 Comment
  RSA732911  Eleocharis parishii R. G. Swinney 1997-6-19 5613 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  RSA729584  Eleocharis rostellata R. G. Swinney 1999-7-5 7496 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
  UCR102373  Elymus elongatus L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mtns., E fork of Alder Creek off Big Tujunga, below Charlton Flat; future dam site Comment
  POM114272  Elymus elymoides Marcus E. Jones 1926-6-7 s.n. Los Angeles South of Lebec. Comment
  RSA733123  Elymus glaucus R. G. Swinney 1998-7-24 6573 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  RSA226225  Elymus glaucus subsp. glaucus Gary D. Cromwell, David W. Wheat 1971-5-14 654 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest, two miles NE of Glendora 396 Comment
  RSA0127509  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-7-18 10097 Los Angeles Yerba Buena Spring, Gold Creek of Little Tujunga [Canyon]. 1189 Comment
  SBBG33329  Elymus multisetus A. D. E. Elmer -Jun-1902 3749 Los Angeles Lancaster Comment
  CATA256  Emmenanthe penduliflora Mark L. Hoefs, A. Douglas Propst 1973-5-4 260 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  UC1922863  Emmenanthe penduliflora Valerie Soza, Bill Hogshead 2003-4-23 1637 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park, Brand Canyon. 457 Comment
  UC31398  Encelia actoni J. Burtt Davy May 9 1896-May 24 1896 2643 Los Angeles Leonis Valley Antelope Valley, Leonis Valley Comment
  UCR223719  Encelia actoni R. G. Swinney 2009-6-17 11209 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
  CAS-BOT-BC131206  Encelia californica Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  POM289851  Encelia californica Arthur L. Cohen 1934-8-2 501 Los Angeles Botton of Hills, 3 miles from mouth of canyon. Topango [Topanga] Canyon. Malibu; Topango [Topanga] Creek Watershed. 30 Comment
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Apr 10 2014
  POM356651  Encelia californica M. B. Dunkle 1933-4-19 3314 Los Angeles Palos Verdes Hills. Comment
  RSA603325  Encelia farinosa Scott D. White 1997-5-21 5187 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  IRVC24711  Ephedra nevadensis Karlin G. Marsh 1988-4-7 s.n. Los Angeles Palmdale; Anaverde Basin S of Rayburn Rd. between Tierra Subida Dr. and the Antelope Valley Fwy. Mojave Desert 854 Comment
  CAS-BOT-BC81971  Ephedra viridis I. M. Johnston 1917-8-23 1721 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 1524 Comment
  UCR218019  Epilobium campestre A. C. Sanders, Dan S. Cooper 2010-8-5 38535 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA786884  Epilobium canum Doris Bowers 1967-8-3 417 Los Angeles Palos Verdes Pen. 0 Comment
  POM145745  Epilobium canum subsp. canum Thomas Craig 1927-6-19 496 Los Angeles 10 miles west of Ravenna. Comment
  SEINET4040455  Epilobium canum subsp. canum M. B. Dunkle 1939-1 7340 Los Angeles Canyon head, Mosquito Summit, San Clemente Island. Comment
  SBBG60146  Epilobium canum subsp. latifolium R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA0116574  Epilobium ciliatum R. G. Swinney 2010-9-30 13935 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCR159903  Epilobium ciliatum Orlando Mistretta 1993-7-6 926 Los Angeles Transverse Ranges; San Gabriel Mountains, Buckhorn Canyon, near exit to Buckhorn Canyon Campground Comment
  POM308914  Epilobium ciliatum subsp. ciliatum Kay H. Beach 1943-8-24 1900 Los Angeles Tankbark Creek near Cottage of U.S. Forest Dept. San Dimas Experimental Forest. Comment
  RSA381715  Epipactis gigantea Bonnie C. Templeton, I. W. Clokey 1936-5-18 5665 Los Angeles San Gabrie1 Canyon, 1/2 mile below dam. [San Gabriel Mounntains]. Comment
  SD838  Epipactis gigantea Ruth B. Randall Jul 1924 Los Angeles Southern California, San Gabriel Canyon. Comment
  IRVC26903  Equisetum telmateia L. C. Wheeler 1932-3-17 505 Los Angeles Los Angeles River: at Los Feliz Blvd. 122 Comment
  RSA684718  Equisetum telmateia var. braunii M. B. Dunkle 1931-4-22 2458 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  POM352250  Eragrostis barrelieri Arthur Howe 1980-6-17 s.n. Los Angeles Ladera Heights Comment
  CAS-BOT-BC204582  Eragrostis mexicana subsp. virescens G. B. Grant 1901-4-3 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC162973  Eremothera boothii subsp. decorticans A. Davidson 1893-7-1 s.n. Los Angeles Rock Creek, Mojave Desert Comment
  RSA0107973  Eriastrum densifolium subsp. austromontanum Steve Boyd, Laura Moore, Michael Wall 1997-7-24 10021 A Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  UCR191305  Eriastrum densifolium subsp. densifolium R. G. Swinney 1998-7-2 6247 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  SEINET8242388  Eriastrum pluriflorum Philip A. Munz 1933-5-13 12925 Los Angeles desert 10 miles south of Muroc. Comment
  RSA0084780  Eriastrum sapphirinum R. G. Swinney 2010-6-23 13311 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  UCR242049  Eriastrum sapphirinum Dan S. Cooper 2012-6-22 612- 27 Los Angeles Western Transverse Range; Santa Monica Mountains, Topanga, Will Geer Road 405 Comment
  RSA0123048  Eriastrum sapphirinum subsp. brevibracteatum Freda Detmers 1931-5-17 s.n. Los Angeles Mojave Desert. Comment
  RSA0121824  Eriastrum sapphirinum subsp. dasyanthum Lyman Benson 1945-5-21 11721 Los Angeles Claremont: Indian Hill. Pacific Slope Drainage Area. 396 Comment
  RSA0121825  Eriastrum sapphirinum subsp. dasyanthum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1093 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. 598 Comment
  CAS-BOT-BC514974  Eriastrum sapphirinum subsp. dasyanthum Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon Comment
  RSA0121260  Eriastrum sapphirinum subsp. dasyanthum John Olmsted 1958-6-9 150 Los Angeles Blanchard Park on Pomona College Campus E of Claremont and near boundary of Los Angeles and San Bernardino Counties. At foot of San Gabriels. San Antonio creek drainage area. 366 Comment
  RSA0121275  Eriastrum sapphirinum subsp. dasyanthum D. E. Bramlet 1976-5-27 53 a Los Angeles California State Polytechnic University campus. Found east of upper parking lot (behind the health center). 274 Comment
  UCSB28769  Eriastrum sapphirinum subsp. dasyanthum Tanowitz, B. 1974-7-1 Los Angeles Beverly Glen Blvd., approximately 0.5 mi south of its junction with Mulholland Dr. (Brown Cyn.) 365 Comment
  RSA0121291  Eriastrum sapphirinum subsp. sapphirinum Anstruther Davidson 1920-06 s.n. Los Angeles Hollywood. Comment
  RSA601845  Ericameria cooperi Steve Boyd, Timothy S. Ross, Laura Moore, Valerie L. Soza 1997-7-8 10007 Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1524 Comment
  RSA725079  Ericameria cooperi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -74 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  POM359325  Ericameria cuneata var. cuneata George R. Johnstone 1927-10-30 s.n. Los Angeles Big Tujunga Canyon. Comment
  RSA717209  Ericameria linearifolia Scott D. White, Pam De Vries 2006-5-10 11424 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC672315  Ericameria linearifolia H. L. Mason 1930-4-20 5596 Los Angeles hills in the Rock Creek region Mohave Desert, Rock Creek Comment
  UCD19288  Ericameria nauseosa Norman Frazier 1988-4-23 3 Los Angeles Los Angeles: Three Points, Rd. N2. Comment
  CAS-BOT-BC298895  Ericameria nauseosa var. bernardina I. M. Johnston 1917-8-22 1652 Los Angeles San Antonio Mts. Pine Mt Ridge 2438 Comment
  CAS-BOT-BC299015  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-27 10586 Los Angeles 16 km W of Lancaster, Antelope Valley Comment
  CAS-BOT-BC299020  Ericameria nauseosa var. hololeuca Helen D. Geis 1909-1-1 s.n. Los Angeles Newhall Comment
  OBI49588  Ericameria nauseosa var. hololeuca David J. Keil 1986-9-27 19739 -2 Los Angeles NW Los Angeles County; along I-5, just S of Hungry Valley Rd exit. roadside pullout 914 Comment
  POM359437  Ericameria palmeri var. pachylepis F. R. Fosberg 1931-8-23 7289 Los Angeles Lomita Quarry, San Pedro Hills 100 Comment
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Jul 3 2014
  UC1118786  Ericameria palmeri var. pachylepis P. L. Johannsen 1933-12-14 204 Los Angeles 1 mi e and 1 mi s Calabasas; Calabasas Quadrangle Comment
  RSA90915  Ericameria parishii var. parishii F. W. Peirson 1922-9-14 8216 Los Angeles Along trail up the east bank of San Antonio Canyon, San Gabriel Mts., on Los Angeles-San Bernardino County line 991 Comment
  CAS-BOT-BC293150  Ericameria pinifolia Javier Penalosa 1960-9-1 908 Los Angeles Eastern Los Angeles Co. San Dimas Canyon Park Comment
  UCR272965  Ericameria pinifolia R. G. Swinney 2011-6-29 15335 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  SD69733  Erigeron bonariensis Robert F. Thorne 1966-4-28 36187 Los Angeles Santa Catalina Island; Avalon, at SCI Co. parking lot. 14 Comment
  CHSC99200  Erigeron canadensis John C. Dittes; Rudolph A. Dittes 2006-10-30 1420 Los Angeles South Coast Subregion; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 2.2 air-miles southwest of Van Nuys Civic Center, ca. 0.9 air-mile south of victory Blvd, 0.9 air-mile west of the San Diego Freeway (405), 0.6 air-mile north of the Ventura Freeway (101); next to Apollo Field Model Airport, north bank of the Los Angeles River. 207 Comment
  UCR209413  Erigeron foliosus R. G. Swinney 2008-10-8 9521 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  SFV3881  Erigeron foliosus var. foliosus M. L. Vincent 1962-7-10 274 Los Angeles Santa Monica Mountains Dry Canyon, 0.5 miles west of Old Topanga Canyon Road. 360 Comment
  CAS-BOT-BC296191  Erigeron foliosus var. foliosus John H. Thomas 1957-5-31 6791 Los Angeles Occidental College Campus, Los Angeles Comment
  POM357483  Erigeron foliosus var. foliosus Wm Martin 1971-8-18 s.n. Los Angeles San Gabriel Mountains. Comment
  SFV15632  Eriodictyon crassifolium M. Merchant 1982-4-18 16 Los Angeles San Gabriel Mountains Sunland. In wash at mouth of Big Tujunga Canyon. End of Tujunga Valley Street. 385 Comment
  CAS-BOT-BC189150  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Steve Boyd 1994-5-10 7691 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon, vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132), ca 2920 meters NNW of Warm Springs Mountain summit 585 Comment
  LA205618  Eriodictyon crassifolium var. nigrescens George R Smart; 1952-7-13 81 Los Angeles Pine Canyon, Castaic-Lake Hughes Road, 19.8 mi. from Castaic 609 Comment
  RSA578096  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd 1994-5-31 7691 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit 854 Comment
  UCR260619  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12376 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
  POM3878  Eriodictyon trichocalyx var. trichocalyx I. M. Johnston 1917-5-6 s.n. Los Angeles Mouth of San Antonio Canon. 610 Comment
  UCSC011220  Eriogonum Adam Searcy 2015-7-10 80 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  UC545884  Eriogonum angulosum Carl B. Wolf 1932-10-21 4362 Los Angeles 1/2 mi e Palmdale; Mojave Desert 1112 Comment
  LA211267  Eriogonum angulosum Arthur C. Gibson; Tarja Sagar 2004-9-21 5195 Los Angeles SIMI HILLS, Cheeseboro SMMNRA, along Cheeseboro Ridge Trail about 1 mile north S end of Sulphur Springs Trail. Comment
  POM187759  Eriogonum baileyi var. baileyi Thos. Craig 1932-10-9 2026 Los Angeles Hills 3 mi south of Vincent; border of San Gabriel Mts. 1220 Comment
  RSA250478  Eriogonum baileyi var. baileyi Robert F. Thorne, John Dourley 1967-10-10 37343 Los Angeles Angeles National Forest: Blue Ridge. 2256 Comment
  SBBG61918  Eriogonum cinereum J. Ewan 1929-6-22 Los Angeles Roger's Cyn 144 Comment
  RSA677793  Eriogonum cithariforme var. agninum Michael Denslow, V. Soza 2002-7-10 695 Los Angeles North side of mountains. Road side; off Big Rock Creek road on the road to south fork campground. 1372 Comment
  RSA0057901  Eriogonum davidsonii Richard G. Swinney 2010-9-7 13709 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UCR137723  Eriogonum davidsonii L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  UCR209866  Eriogonum davidsonii R. G. Swinney 2008-7-15 9194 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR277150  Eriogonum davidsonii R. G. Swinney 2011-6-15 15201 Los Angeles San Gabriel Mountains, SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail 1622 Comment
  RSA13698  Eriogonum davidsonii Louis C. Wheeler 1933-10-22 2191 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  RSA609126  Eriogonum davidsonii Louis C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek at end of road and beginning of Burkhart Trail. 1585 Comment
  LA202582  Eriogonum elongatum var. elongatum Norman A. Cole; May 1964 389 .5 Los Angeles Santa Monica Mountains, La Sierra Canyon, 3.1 mi E of junction of Mulholland and Cornell Rd 274 Comment
  CAS-BOT-BC253276  Eriogonum fasciculatum var. foliolosum Elmer I. Applegate 1931-11-2 6832 Los Angeles Along main highway to Mojave, Mint Canyon Comment
  POM306265  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1938-1-1 1413 Los Angeles North Craig Ave., Altadena. Comment
  RSA15332  Eriogonum fasciculatum var. foliolosum Carl B. Wolf 1926-3-17 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  UCR139928  Eriogonum fasciculatum var. foliolosum Scott D. White 1997-5-15 5150 Los Angeles Mojave Desert, Big Tujunga Wash. Sunland-Tujunga area; alluvial fan below San Gabriel Mtns. SW of I-210 Fwy, east of Hansen Dam, and N of Wentworth Street 351 Comment
  CAS-BOT-BC250101  Eriogonum fasciculatum var. polifolium Tim Ross; Steve Boyd 1992-7-5 6605 Los Angeles Liebre Mountains. Red Mountain: rocky summit area 1217 Comment
  UC56804  Eriogonum fasciculatum var. polifolium J. B. Davy 1896-10-18 2880 Los Angeles Pomona Comment
  UCR280525  Eriogonum fasciculatum var. polifolium R. G. Swinney 2014-4-10 16060 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
  SEINET7862101  Eriogonum gracile var. gracile M. 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
  UCR147271  Eriogonum microthecum var. johnstonii Orlando Mistretta 1991-7-30 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Mt. Baldy, West Baldy Ridge Comment
  RSA393690  Eriogonum mohavense Anstruther Davidson 1928-7-7 s.n. Los Angeles Acton. Comment
  CAS-BOT-BC258575  Eriogonum ordii Ralph Hoffmann 1930-6-6 s.n. Los Angeles Liebre Station Comment
  SD22463  Eriogonum parishii Susan G. Stokes 1910-8-29 Los Angeles Old Baldy Comment
  SBBG65200  Eriogonum plumatella R. Hoffmann 1927-8-31 Los Angeles Acton to Palmdale Comment
  RSA781234  Eriogonum pusillum R. G. Swinney 2009-5-13 10789 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  SBBG64255  Eriogonum roseum R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  UCD170273  Eriogonum trichopes R. G. Swinney 2009-4-29 10604 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 963 Comment
  RSA329727  Eriogonum umbellatum subsp. minus Gary D. Wallace 1975-7-12 1442 Los Angeles Along Angeles Crest Highway, San Gabriel Mountains. 2305 Comment
  POM122957  Eriogonum wrightii var. subscaposum Marcus E. Jones 1926-9-12 s.n. Los Angeles Swartout Valley. Comment
  CAS-BOT-BC140529  Eriophyllum confertiflorum A. C. Sanders; T. B. Salvato 2009-5-19 36827 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
  CATA996  Eriophyllum confertiflorum Mark L. Hoefs 1994-5-21 1871 Los Angeles Santa Catalina Island: Near Renton Mine Road 195 Comment
  CDA5245  Eriophyllum confertiflorum J. E. Law 1923-5-22 272 Los Angeles Flume trail, Eaton Canyon, Altadena. 0 Comment
  CHSC327  Eriophyllum confertiflorum E. Thomas 1940-4-6 Los Angeles Above Claremont. Comment
  JEPS34715  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1919-5-10 409 Los Angeles Arraster Canyon San Gabriel Mts., Arraster Canyon 838 Comment
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Aug 21 2014
  LA31653  Eriophyllum confertiflorum var. confertiflorum Henry J. Thompson; 1959-5-24 1986 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.3 mi N of Coast Hwy 45 Comment
  RSA584138  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-8 2980 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
  SBBG61128  Eriophyllum confertiflorum var. confertiflorum V. Duran 1933-7-8 3502 Los Angeles Horse Flats 1676 Comment
  UC1118343  Eriophyllum confertiflorum var. confertiflorum A. D. Gifford 1935-1-7 408 Los Angeles 6.5 mi ese of Whitaker Peak; Tejon Quadrangle 518 Comment
  UC468939  Eriophyllum confertiflorum var. confertiflorum Crawford and Hiatt 1916-3-28 576 Los Angeles Santa Monica Mts 304 Comment
  POM358092  Eriophyllum nevinii Larry E. DeBuhr, Gary D. Wallace 1972-9-3 705 Los Angeles San Clemente Island, near base of Canyon at south end of cove south of Eel Point. 91 Comment
  RSA527604  Eriophyllum nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4431 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA249758  Eriophyllum pringlei R. F. Thorne, C. W. Tilforth 1973-4-20 s.n. Los Angeles San Gabriel Mountains. 1143 Comment
  SFV20810  Erodium botrys L. Gross, N. Fraga 2002-4-4 504 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 606 Comment
  RSA0058224  Erodium cicutarium Richard G. Swinney 2010-4-23 12350 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA632004  Erodium cicutarium Louis C. Wheeler 1969-3-9 s.n. Los Angeles San Gabriel Mountains: Ridge between mouth of Big & Little Dalton Canyon. 351 Comment
  RSA650527  Erodium cicutarium Richard A. Goodfellow 1948-2-29 s.n. Los Angeles Corner of Wilson and Glendale Ave., Glendale 174 Comment
  UCR194565  Erodium macrophyllum A. C. Sanders 2008-4-25 35112 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
  POM127731  Erodium moschatum George B. Grant 1901-1 447 Los Angeles From Pasadena Collected, 1901-1905 Comment
  RSA660470  Erodium moschatum Mary C. Hunter 1994-5-23 14 Los Angeles Arroyo Seco; West of Aqueduct; South of 134 overpass; Near building P, Pasadena. Comment
  SEINET12182172  Erodium moschatum J. F. Bright, Wyman, C. 1933-1 8017 Los Angeles Comment
  UC450918  Erysimum capitatum F. A. MacF. 1931-3-12 Los Angeles hillsides Verduga Hills, Tuna Canyon Comment
  UCR271747  Erysimum capitatum R. G. Swinney 2011-3-26 14230 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  CAS-BOT-BC40724  Erysimum capitatum Timothy S. Ross; Steve Boyd 1994-5-4 7686 Los Angeles Liebre Mountains. Spruce Draw, draining northwest off the saddle between Grass Mountain's main and northeast summits. 1143 Comment
  UC1536946  Erysimum capitatum var. capitatum Gordon H. True Jr. 1935-3-27 179 Los Angeles slope 5 mi sw Palmdale; City Ranch 944 Comment
  UCR108373  Erysimum capitatum var. capitatum L. C. Wheeler 1970-6-28 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp 2012 Comment
  RSA530307  Erysimum capitatum var. capitatum Robert Gustafson, Christopher Davidson 1977-4-20 430 Los Angeles Devils Punch Bowl County Park, along the trail descending to the stream below the campsite 1219 Comment
  RSA530226  Erysimum suffrutescens Howard Mullins 1931-2-28 s.n. Los Angeles El Segundo. Comment
  UC57537  Eschscholzia Geo. B. Grant May 1901 3777 Los Angeles Catalina Island Comment
  RSA0095245  Eschscholzia caespitosa R. G. Swinney 2011-5-6 14578 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA656477  Eschscholzia caespitosa Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 728 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 518 Comment
  RSA0060779  Eschscholzia californica LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6811 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UC64877  Eschscholzia californica H. M. Hall May 1 1902-May 3 1902 Los Angeles Vicinity of Palmdale Antelope Valley 792 Comment
  JEPS51799  Eschscholzia californica Frank W. Peirson 1919-2-12 319 Los Angeles Arroyo Seco San Gabriel Mts. 457 Comment
  RSA433678  Eschscholzia californica A. G. Goodwin 1940-05 s.n. Los Angeles San Fernando Comment
  RSA570171  Eschscholzia californica var. peninsularis Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4784 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA659945  Eschscholzia minutiflora Orlando Mistretta 1992-5-18 353 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA151283  Eschscholzia ramosa Peter H. Raven 1962-4-9 17165 Los Angeles Near barracks, Wilson Cove, San Clemente Island. 61 Comment
  UCR272709  Eschscholzia ramosa M. B. Dunkle 1939-4-2 7213 Los Angeles Channel Islands, San Clemente Island, Pyramid Point 61 Comment
  UCR193478  Eucalyptus camaldulensis R. G. Swinney 1999-4-8 7072 Los Angeles San Gabriel Mtns., Claremont, north of Via Santa Catarina and Mountain Ave. 488 Comment
  UCR260372  Eucalyptus camaldulensis R. G. Swinney 2010-2-27 11664 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
  UCR178041  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  UCR259928  Eulobus californicus R. G. Swinney 2010-3-18 11974 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  SD231286  Euphorbia albomarginata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 50506 47 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA140023  Euphorbia dendroides Jim Morre 1961-01 s.n Los Angeles On Arroyo Seco Freeway between Pasadena and L.A. Comment
  POM264765  Euphorbia helioscopia L. C. Wheeler 1933-11-9 2239 Los Angeles Rich soil in walnut grove. 2 miles SE El Monte. Comment
  CAS-BOT-BC32680  Euphorbia melanadenia Huron Herbert Smith 1912-5-3 4933 Los Angeles Azusa 243 Comment
  RSA0117871  Euphorbia melanadenia Robert L. Benson 1960-4-21 25 Los Angeles Little Dalton Canyon above Glendora. Mt. Range: San Gabriel. 365 Comment
  RSA225726  Euphorbia melanadenia R. F. Thorne 1971-5-22 39738 Los Angeles Fish Canyon. 305 Comment
  CATA1437  Euphorbia peplus Mark L. Hoefs, Robert F. Thorne 1996-4-6 2600 Los Angeles Santa Catalina Island: Pebbly Beach 6 Comment
  UC1587649  Euphorbia peplus Tim Ross 1991-4-21 4563 Los Angeles head of Turnbull Canyon Whittier Hills (Puente Hills, pro parte) (Skyline Drive) 353 Comment
  RSA0102537  Euphorbia serpillifolia Richard G. Swinney 2010-9-30 13895 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  CATA3134  Euphorbia spathulata Sarah Ratay 2010-6-3 122 Los Angeles Santa Catalina Island: Wild Boar Gully exclosure, southern end 173 Comment
  LA200268  Euthamia occidentalis Jonathan Sauer; Frank Almeda 1975-10-23 5748 Los Angeles Santa Monica Mountains, Arroyo Sequit, University Santa Monica Reserve, 4.5 mi. inland from Leo Carillo Beach 213 Comment
  RSA596467  Euthamia occidentalis Lauren Raz, Steve Boyd 1996-10-23 005 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  CATA1189  Festuca temulenta Mark L. Hoefs 1995-5-30 2190 Los Angeles Santa Catalina Island: Near Ben Weston Road 57 Comment
  RSA188163  Filago arizonica R. F. Thorne 1966-4-4 35760 a Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus 61 Comment
  RSA515135  Filago californica Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 8005 Los Angeles [San Clemente Island] Comment
  UCR209284  Filago gallica Dan S. Cooper 2009-5-30 509- 09 Los Angeles Eastern Santa Monica Mtns., debris basin along Forest Lawn Dr., west of the cemetery 169 Comment
  OBI52026  Forestiera pubescens Michael Curto 1990-5-4 639 Los Angeles Angeles NF, Littlerock Reservoir, near Juniper Grove C6, Pacifico Mt Quad, T5N R11W S34 sw1/4 Comment
  RSA729527  Forestiera pubescens R. G. Swinney 1999-6-28 7450 Los Angeles Graham Canyon, south of Mescal Highlands Rd. Narrow canyon, sandy soil with boulders, one area with moist soil but no water flow; riparian vegetation surrounded by pinyon-juniper woodland. 1341 Comment
  CAS-BOT-BC223847  Frankenia palmeri I. Johnston 1917-6-10 1269 Los Angeles Ballona Creek near Mesmer Comment
  CATA344  Frankenia salina Mark L. Hoefs 1973-7-20 385 Los Angeles Santa Catalina Island: Along inland rim of Catalina Harbor 1 Comment
  SBBG20567  Frankenia salina E. R. Blakley 1963-12-8 6406 Los Angeles Horse Beach Cyn which is first cyn E of China Pt 3 Comment
  LA50940  Fraxinus pennsylvanica Joseph Andorfer Ewan; 1932-4-30 7439 Los Angeles Ballma Creek, at Higuera Road, Culver City Comment
  UCR224026  Fraxinus uhdei Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11684 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  CAS-BOT-BC211013  Fraxinus velutina Le Roy Abrams; E. A. McGregor 1908-6-20 400 Los Angeles Liebre Mountains. Between Oakgrove Canyon & Elizabeth Lake Comment
  LA50935  Fraxinus velutina Louis C. Wheeler; 1933-8-20 2091 Los Angeles San Gabriel Mountains, San Gabriel Canyon, 0.5 below Pine Canyon Dam 289 Comment
  UCR150614  Fraxinus velutina Scott D. White 1997-5-8 5088 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  POM184718  Fremontodendron californicum Joseph A. Ewan 1932-3-29 7211 Los Angeles Arrastre Canyon. 1220 Comment
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Dec 17 2014
  UCR137735  Fremontodendron californicum subsp. californicum L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Spring c. 2/3 mi. east of Juniper Bowl, Juniper Hills 1159 Comment
  LA29020  Fritillaria biflora var. biflora Mary V. Hood; 1940-3-8 40 13 k* a,b Los Angeles 335 Comment
  POM47624  Galinsoga parviflora var. parviflora E. S. Spalding 1923-6-8 s.n. Los Angeles U. S. C. campus, Los Angeles. Comment
  RSA770904  Galium angustifolium Robert F. Thorne, Percy C. Everett 1965-5-12 34634 Los Angeles Santa Catalina Island, upper end of Middle Canyon. 305 Comment
  SBBG128172  Galium angustifolium B. E. Carter 2012-8-23 6983 Los Angeles Middle Ranch Cyn, at Pump Station 2 310 Comment
  UCR277077  Galium angustifolium R. G. Swinney 2011-6-7 15092 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  UCSB6249  Galium angustifolium Kraebel, C. 1931-9-10 Los Angeles San Dimas Canyon SRE plot Comment
  RSA512152  Galium angustifolium subsp. angustifolium S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. 884 Comment
  UC440442  Galium angustifolium subsp. angustifolium Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topango Canyon Santa Monica Mountains Comment
  RSA250342  Galium angustifolium subsp. nudicaule Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42245 Los Angeles San Gabriel Mountains, Angeles National Forest; just below peak of Mount Islip. 2500 Comment
  JEPS6598  Galium aparine F. W. Peirson 1921-6-19 1184 Los Angeles North Fork San Gabriel River San Gabriel Mts. 1005 Comment
  UCD121730  Galium aparine Robert F. Thorne; J. Henrickson 1963-5-5 32317 Los Angeles Open slopes of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 mi. N of Claremont. 518 Comment
  UCR150898  Galium aparine Valerie Soza, Kent Hughes 1999-6-17 529 Los Angeles Transverse Ranges; San Gabriel Mountains, Chantry Flat, off road 2N41, west of water tank 701 Comment
  CATA652  Galium catalinense Mark L. Hoefs 1991-4-18 1137 Los Angeles Santa Catalina Island: Near road above Howlands Landing 70 Comment
  POM367802  Galium catalinense subsp. catalinense F. R. Fosberg 1931-4-12 S- 4572 Los Angeles Cliffs near Jewfish Point, Santa Catalina Island. 10 Comment
  SBBG17885  Galium catalinense subsp. catalinense P. H. Raven 1962-5-7 17583 Los Angeles just above coast 1 mi S of Wilson Cove 22 Comment
  RSA678815  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1291 -b Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.5 miles from trailhead out of Chantry Flat area. 823 Comment
  UCR147787  Galium grande Valerie Soza, Et al. 2000-7-5 1050 Los Angeles San Gabriel Mountains, Above San Gabriel Canyon, west of Morris Reservoir; adjacent to E-facing firebreak and west of Silver Fish Road (FSR 2N28), c. 3.2 mi west of San Gabriel Canyon Road (Hwy 39) along Silver Fish Road 793 Comment
  JEPS9442  Galium hallii Frank W. Peirson 1923-9-1 4013 Los Angeles in small canyon back of old sawmill (w end of valley); Swartout Valley Comment
  JEPS21682  Galium jepsonii Rimo Bacigalupi with Reino Alava 1958-7-20 6422 Los Angeles about 1 mi w Cedar Spring (upper slopes of Little Rock Creek Canyon, near base of n-facing side of Kratka Ridge); San Gabriel Mountains, Angeles National Forest, Little Rock 2072 Comment
  SBBG41336  Galium nuttallii subsp. insulare M. R. Benedict 1970-6-30 Los Angeles ca. 0.5 mi W of Eagles Nest Comment
  RSA0045218  Galium porrigens R. G. Swinney 2010-6-21 13267 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 561 Comment
  JEPS114007  Galium porrigens var. porrigens Timothy S. Ross and Steve Boyd 1992-7-5 6629 Los Angeles Red Mountain: mesic draw draining E from the saddle between the Red Mountain summit area and the 3704-foot knoll to the SE of it. Comment
  UC1586227  Galium porrigens var. porrigens Tim Ross 1991-8-16 5862 Los Angeles Horse Flats San Gabriel Mts., Chilao Flat USGS 7.5' Quad (s end) 1740 Comment
  SEINET10547581  Galvezia speciosa Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4811 Los Angeles Santa Catalina Island; At the Airport In The Sky (Catalina Airfield). Planted native garden at the airport terminal. Airport 10.2 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 488 Comment
  CATA2072  Gambelia speciosa 1929-4-20 Los Angeles Santa Catalina Island 0 Comment
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Apr 28 2015
  SBBG97016  Gambelia speciosa S. Boyd with T. Ross, L. Arnseth 1990-4-8 4430 Los Angeles Bryce Cyn near Malo Pt Comment
  UCR280570  Gamochaeta pensylvanica R. G. Swinney 2014-5-13 16480 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  RSA161125  Gamochaeta pensylvanica Peter H. Raven 1961-10-29 16869 Los Angeles Weed in the Botanic Garden, near the front gate, Calremont. 259 Comment
  SD194289  Gamochaeta pensylvanica Clifton F. Smith 1958-5-9 5771 Los Angeles In driveway at 1791 Rosa Villa, Pasadena. Comment
  POM48101  Garrya flavescens I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1585 Comment
  CAS-BOT-BC158012  Garrya veatchii Louis C. Wheeler 1931-12-30 424 Los Angeles San Antonio Wash 670 Comment
  RSA392405  Garrya veatchii Bonnie C. Templeton 1959-5-9 s.n. Los Angeles On Angeles Crest Highway between Mill Creek Road Junction and Red Box Gap, 1220 Comment
  SDSU7167  Garrya veatchii J. Godsil 1953-3-9 499 Los Angeles Little Dalton Canyon, above San Gabriel Lakes. 960 Comment
  CAS-BOT-BC282619  Gastridium phleoides Eric Walther 1921-7-1 s.n. Los Angeles Howard and Smiths Nursery Comment
  CDA5230  Gaura sinuata Johnson 1939-8-1 5 Los Angeles West Covina. 0 Comment
  SBBG118696  Gayophytum diffusum subsp. parviflorum O. Mistretta with P. L. Morrell 1992-6-4 504 Los Angeles Short Cut Cyn, OVH area, Arroyo District, paralleling Big Tujunga; T2N R11W S9 Comment
  RSA533519  Gazania longiscapa Timothy S. Ross 1991-3-9 4163 Los Angeles Whittier Hills (Puente Hills, pro parte): Seepage ca. 300 feet SW of Colima Road & Camino del Sur. 213 Comment
  SBBG118148  Geranium carolinianum F. R. Fosberg 1931-3-20 4319 Los Angeles Hamilton Cyn 40 Comment
  RSA570309  Gilia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4973 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  UCR276805  Gilia R. G. Swinney 2010-5-21 12898 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  UCR281322  Gilia R. G. Swinney 2014-4-24 16211 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  UCR259072  Gilia achilleifolia R. G. Swinney 2010-6-23 13325 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  RSA618586  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/2 mile south-southwest of Blum Ranch. 975 Comment
  UCR209282  Gilia angelensis Dan S. Cooper 2009-3-11 309- 10 B Los Angeles Los Angeles Basin Region, adjacent to radio towers in Kenneth Hahn Recreation Area, Baldwin Hills, Los Angeles 138 Comment
  SBBG127018  Gilia brecciarum subsp. brecciarum A. Parikh, N. Gale 2011-6-8 3435 Los Angeles Portal Ridge, 1.2 km W of Godde Hill Rd, 1 km S of California Aqueduct 1110 Comment
  UCR229163  Gilia brecciarum subsp. brecciarum Dan S. Cooper 2011-5-5 511- 54 Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  SEINET3860407  Gilia cana R. G. Swinney 2009-4-28 10504 Los Angeles Transverse Range: San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  UCR194043  Gilia cana R. G. Swinney 1999-6-5 7241 B Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  LA200748  Gilia capitata subsp. abrotanifolia A. M. Johnson; 1934-3-16 4369 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA152186  Gilia capitata subsp. abrotanifolia Wesley O. Griesel 1962-4-29 s.n. Los Angeles Arroyo Seco near Brookside Park, Pasadena. 366 Comment
  RSA470215  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1908-5-14 s.n. Los Angeles Sierra Madre. Comment
  UC1123667  Gilia capitata subsp. staminea A. D. Gifford 1935-4-15 584 Los Angeles 1 mi ne Quail; Tejon Quad., ne of Quail Comment
  SEINET883640 Image available Gilia collina var. grantii G. B. Grant 1902-1 503 Los Angeles Mount Wilson. Comment
  RSA311308  Gilia diegensis R. F. Thorne, Gary D. Wallace 1973-4-24 43424 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  RSA469398  Gilia latiflora subsp. davyi Christopher Davidson 1973-4-1 1890 Los Angeles 1 mile south of Littlerock. 762 Comment
  UCR223526  Gilia latiflora subsp. davyi R. G. Swinney 2009-5-28 10920 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SFV19331  Gilia ochroleuca subsp. vivida P. Wilson, J. N. Hogue 243.4 2005-5-23 4213 Los Angeles San Gabriel Mountains Near Winston Peak, along trail from Cloudburst Summit, north of Highway 2. About 0.75 km from highway. 2075 Comment
  UCR223475  Gilia splendens R. G. Swinney 2009-5-28 10936 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA0068084  Glechoma hederacea Michael C. Long 2015-5-1 925 Los Angeles San Gabriel Mtns., Upper Arroyo Seco, ca. 0.6 mi. SW of Switzer's Picnic Area, at first river crossing south of Switzer's, along E edge of trail. 929 Comment
  RSA591973  Gnaphalium californicum Mark Hoefs 1974-4-30 431 Los Angeles Santa Catalina Island: by trail in Hermit's Gulch. 91 Comment
  RSA628552  Gnaphalium canescens subsp. thermale L. C. Wheeler 1967-8-24 10503 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2042 Comment
  POM244226  Gnaphalium chilense F. R. Fosberg 1931-3-23 4338 Los Angeles Hamilton Canyon, Santa Catalina Island. 15 Comment
  POM358861  Gnaphalium microcephalum Louis Greata 1900-9-16 s.n. Los Angeles Los Angeles. Comment
  RSA535726  Gnaphalium microcephalum Timothy S. Ross 1991-5-22 545 Los Angeles San Clemente Island: Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 79 Comment
  SBBG122109  Gnaphalium palustre A. Parikh, N. Gale 2003-5-24 738 Los Angeles Plum Cyn, 1.6 km SW of Cruzan Mesa, 2.8 km W of Sierra Hwy 570 Comment
  SEINET7881045 Image available Gnaphalium palustre F. R. Fosberg, J. A. Ewan 1931-1 S 5501 Los Angeles Crystal Lake, N. fork San Gabriel Canyon, San Gabriel Mts. Comment
  RSA645574  Goodmania luteola A. C. Sanders, E. J. Lott 1993-5-6 13947 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Highway at Ave ''G'' to 1/10 mi. NW of intersection. [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 706 Comment
  UCD132543  Grindelia camporum Louis C. Wheeler 1946-8-27 6262 Los Angeles San Gabriel Mountains, Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1112 Comment
  CAS-BOT-BC305270  Grindelia hirsutula John Thomas Howell 1931-5-29 6562 Los Angeles Hills of Santa Monica Mts. at Santa Monica Comment
  IRVC27658  Grindelia robusta Anstruther Davidson 1915-6-24 s.n. Los Angeles Near Santa Susanna Santa Susanna Mtns Comment
  UC1563060  Guillenia lasiophylla Steve Boyd and Orlando Mistretta 1986-3-31 1565 Los Angeles 4 mi e Highway 138 junction with Highway 18 (ne of Pinyon Hills); Mojave Desert Comment
  JEPS54102  Guillenia lasiophylla Frank W. Peirson 1919-5-27 327 Los Angeles hills w Arroyo Seco; San Gabriel Mountains 426 Comment
  CAS-BOT-BC302086  Gutierrezia microcephala Joseph Andorfer Ewan 1934-8-3 8339 Los Angeles Table Mt., at head Le Montaine Cr., San Gabriel Mts. 2255 Comment
  SEINET11849269  Haplopappus pinifolius J. C. Nevin n d 1800 Los Angeles Los Angeles Comment
  SEINET3148103  Harpaecarpus minimus G. B. Grant 1906-6-17 543 a-6689 Los Angeles Summit Mt. Wilson 1829 Comment
  UCR272922  Harpagonella palmeri Steven A. Junak 2000-4-15 SCa- 1219 Los Angeles Channel Islands, Santa Catalina Island, east of Lone Tree, at head of canyon, next to top of south-facing bluffs 445 Comment
  SBBG53959  Hazardia squarrosa K. R. Montgomery, T. W. Strid 1973-8-23 73 -170 Los Angeles Dillon Divide; site of LASCA Cistus field plot Comment
  CAS-BOT-BC307296  Hazardia squarrosa var. grindelioides C. F. Baker 1903-10-10 3732 Los Angeles San Antonio Canyon near Claremont Comment
  RSA188132  Hazardia squarrosa var. grindelioides R. F. Thorne 1966-4-28 36242 Los Angeles Santa Catalina Island. Near junction of Wrigley Drive and Renton Mine Road. 91 Comment
  RSA594912  Hazardia squarrosa var. grindelioides John H. Thomas 1956-11-8 6472 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena. 610 Comment
  UC586946  Helenium bigelovii Joseph Andorfer Ewan 1934-8-5 8455 Los Angeles Prairie Fork Ranger Station San Gabriel Mts. 1767 Comment
  UCR277401  Helianthemum scoparium R. G. Swinney 2010-8-23 13574 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  SD262190  Helianthus annuus R. G. Swinney 2014-5-27 16656 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forksof Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. Debris basin. 445 Comment
  SEINET13383995 Image available Helianthus annuus R. G. Swinney 2010-1 12322 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UC1069456  Helianthus annuus R. St. John 1933-3-24 355 Los Angeles Aliso Canyon Santa Susana Quad., Aliso Canyon 487 Comment
  RSA92488  Helianthus ciliaris A. J. Barton 1936-1 12074 Los Angeles Low hills south of San Gabriel and west of San Gabriel River Comment
  UCR238989  Helianthus gracilentus Anuja Parikh, Nathan Gale 2010-5-24 3211 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 5.0 km west of State Hwy 14, 1.6 km southwest of California Aqueduct, under powerlines 1005 Comment
  CAS-BOT-BC305787  Helianthus nuttallii Ernest Braunton 1902-9-1 698 Los Angeles East Los Angeles Comment
  UCR209123  Heliotropium curassavicum R. G. Swinney 2008-6-24 9087 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  OBI35599  Helminthotheca echioides Rebecca Cicoria 1981-4-23 13 Los Angeles Upper end of Altamira Cyn, adj to Crest Rd, Rolling Hills Comment
  UCR88687  Hemizonia minthornii Scott D. White 1995-10-19 3721 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR177503  Hemizonia pungens subsp. pungens LeRoy Gross 2005-5-19 2304 Los Angeles Western Mojave Desert, S of Ave A (Kern Count boundary) east of the #14 freeway. south of the city of Rosamond. Between 20th Street W and Sierra Highway. Started at Ave A 728 Comment
  SEINET11848437  Hemizonia ramosissima I. W. Clokey, Templeton, B. 1929-1 4600 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  IRVC28681  Heteromeles arbutifolia A. C. Sanders, Mark Elvin 2002-6-18 25128 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  SBBG13424  Heteromeles arbutifolia E. R. Blakley 1968-6-9 5201 Los Angeles cyn W of rd, 2.5 mi N of China Pt 167 Comment
  RSA0072414  Heteromeles arbutifolia Tim S. Ross 1991-2-23 4081 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 293 Comment
  RSA0072415  Heteromeles arbutifolia Gene Cooper 1961-4-11 s.n. Los Angeles Glendora Ranch Wildwood, near SE of office. Glendora. Comment
  RSA449830  Heteromeles arbutifolia Edwin Kline 1924-8-13 s.n. Los Angeles San Fernando Mountains Comment
  SD211347  Heteromeles arbutifolia var. macrocarpa L. M. Huey 1925-12-12 Los Angeles San Clemente Island. Comment
  SD52900  Heteromeles arbutifolia var. macrocarpa Peter H. Raven 1962-7-10 17985 Los Angeles San Clemente Island: Canyon below Lemon Tank 244 Comment
  RSA0075644  Heterotheca grandiflora Scott D. White, P. De Vries 2000-5-18 7919 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
  RSA0075645  Heterotheca grandiflora F. W. Peirson 1918-10-15 281 Los Angeles Foot of Echo Mountain Trail, south base of San Gabriel Mts. 548 Comment
  CAS-BOT-BC310854  Heterotheca sessiliflora subsp. fastigiata F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CHSC85569  Heterotheca sessiliflora subsp. fastigiata John Dittes 2003-12-27 860 C Los Angeles Western Transverse Range; Big Tujunga Canyon; floodplain of Big Tujunga Creek; ca. 1.8 air-miles north by northeast of Sunland, ca. 2.2 air-mile north by northeast of Verdugo Hills High School, ca. 0.9 air-mile southwest of confluence Gold Canyon. 520 Comment
  LA203939  Heterotheca sessiliflora subsp. fastigiata Louis Wheeler; 1933-9-26 2134 Los Angeles San Gabriel Mountains, San Gabriel Canyon 335 Comment
  RSA0118521  Hirschfeldia incana Steven A. Junak, Mark Hoefs, Keri Kirkland 1997-11-14 SCa- 478 Los Angeles Santa Catalina Island. Upper edge of camp at Emerald Bay, just N of main road. 18 Comment
  JEPS45050  Holodiscus discolor Frank W. Peirson 1918-7-13 75 Los Angeles Santa Anita Canyon, San Gabriel Mts. 914 Comment
  UCR179260  Holodiscus discolor R. G. Swinney 1989-7-17 s.n. Los Angeles San Gabriel Mtns., in and near Glendora [= Big Dalton] Wilderness Park, in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 610 Comment
  UCR271580  Hordeum brachyantherum R. G. Swinney 2011-6-23 15289 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  RSA658597  Hordeum depressum D. E. Bramlet 2001-6-5 3155 Los Angeles Grasshopper Canyon, 1.77km north of the mouth of the canyon and 396m east of the old ridge route, UTM 11S 03 50 155m E, X 38 20 932m N 437 Comment
  UCD85597  Hordeum depressum Brandegee Date Unknown s.n. Los Angeles Santa Catlina Island Sol. Comment
  CATA2206  Hordeum jubatum Sara L. Crockett 1997-2-24 75 Los Angeles Santa Catalina Island: Sol Vista housing development, WSW of corner of Beacon and Lower Terrace Streets 21 Comment
  UCR94711  Hordeum jubatum A. C. Sanders, E. J. Lott 1993-5-6 13992 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  SBBG17867  Hordeum murinum P. H. Raven 1962-4-11 17275 Los Angeles due W of Wall 2 6 Comment
  UCR256434  Hordeum murinum R. G. Swinney 2010-6-8 13196 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA669630  Hordeum murinum subsp. glaucum LeRoy Gross 2002-4-13 526 Los Angeles At intersection of Stough Canyon Mountainway and Verdugo Mountainway, along main crest. 579 Comment
  LA35609  Hordeum murinum subsp. glaucum A. K. Khudairi; 1951-5-13 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  CATA716  Hordeum murinum subsp. leporinum Mark L. Hoefs 1991-5-3 1216 Los Angeles Santa Catalina Island: Above road on north-west side of Descanso Canyon, near entry to Hamilton Cove 79 Comment
  RSA661019  Hordeum murinum subsp. leporinum Orlando Mistretta 1992-4-5 159 Los Angeles Guds, San Clemente Island. Comment
  CAS-BOT-BC273518  Hordeum vulgare Timothy S. Ross 1995-4-7 8362 Los Angeles Liebre Mountains. Templin Highway ca. 1800-1900 ft NE of its intersection with the Old Ridge Route 841 Comment
  RSA729487  Horkelia rydbergii R. G. Swinney 1999-6-21 7387 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  SEINET13384055 Image available Horkelia rydbergii R. G. Swinney 2011-1 15312 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  SEINET3245996  Hosackia crassifolia R. G. Swinney 2009-1 11479 Los Angeles Transverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. Mescal Creek. 628 Comment
  PASA733  Hugelia virgata M. Stason 1930-5-8 Los Angeles Desert Near Lancaster Comment
  RSA0064063  Hulsea heterochroma R. G. Swinney 2010-10-13 14031 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  SFV3992  Hypochaeris glabra M. Wisotsky 1958-5-30 s. n. Los Angeles San Fernando Valley In front of house at 12904 Osborne Ave. Northeast corner of fence. Comment
  POM308900  Imperata brevifolia Kay H. Beach 1943-8-27 661 Los Angeles West side of the N Fork above Flume no. 5, San Dimas Experinemtal Forest Comment
  CHSC62038  Isocoma menziesii var. menziesii L. P. Janeway 1993-10-5 4606 Los Angeles Puente Hills; at the head of Arroyo San Miguel. Dirt road and drilling pad. 228 Comment
  UC1587741  Isocoma menziesii var. menziesii Tim Ross 1991-3-9 4167 Los Angeles just sw of Colima Road x Camino del Sur; Whittier Hills (Puente Hills) Comment
  POM359496  Isocoma menziesii var. vernonioides George R. Johnstone 1932-9-30 15843 Los Angeles Palos Verdes Hills. Comment
  RSA279098  Isocoma menziesii var. vernonioides R. F. Thorne, D. Propst, Mark Hoefs 1974-9-12 45112 Los Angeles Santa Catalina Island: near Buffalo Springs Reservoir. 427 Comment
  UCR119050  Isomeris arborea Jeremiah George 2000-1 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes Estates, Malaga Cove 1 Comment
  UCR213954  Isomeris arborea var. globosa Dave Silverman, Cindy Hopkins 2007-4-27 6778 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 1600m SE of National Cement and 1200m NE of Oso 3804 benchmark 1000 Comment
  SD230172  Iva axillaris Louis C. Wheeler 1956-9-15 7235 Los Angeles San Gabriel Mountains: Caldwell Lake, on San Andreas Fault. Comment
  CATA2957  Jepsonia malvifolia Sarah Ratay 2006-10-12 101 Los Angeles Santa Catalina Island: In Cottonwood Canyon below the airport burn of 2003 0 Comment
  CAS-BOT-BC101905  Juglans californica Louis C. Wheeler 1931-11-11 351 Los Angeles N side Santa Monica Mts. opp. Franklin Canyon 365 Comment
  RSA19622  Juglans californica Fay A. MacFadden 1931-3-15 2597 Los Angeles Verdugo Mountains: Tuna Canyon 335 Comment
  SD20465  Juglans californica var. californica Charles F. Harbison 1938-2-20 Los Angeles Topanga Canyon. Comment
  CAS-BOT-BC110033  Juncus acutus Le Roy Abrams 1901-5-28 1682 Los Angeles Ballona Harbor. Comment
  RSA0116575  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. 573 Comment
  RSA725757  Juncus balticus A. C. Sanders 2003-5-1 26248 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  SEINET3877472  Juncus balticus Timothy S. Ross, Steve Boyd 1994-9-21 8336 Los Angeles CowW SPRING POND': sag pond on the San Andreas Fault Zone at the North foot of Liebre Mtn. and on the South side of West Oakdale Canyon Road, ca 100 m West of the Cow Spring Canyon drainage. Liebre Mountain. 7.5' USGS Quadrangle.; 0 1149 Comment
  RSA368128  Juncus balticus Anonymous s.n. Los Angeles Verdugo Canyon Comment
  UC1971179  Juncus bufonius Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon Comment
  RSA0036821  Juncus bufonius var. congestus Justin M. Wood 2011-7-7 4332 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  RSA0112557  Juncus bufonius var. occidentalis R. G. Swinney 2011-6-15 15187 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  UCR177220  Juncus macrophyllus LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1072 Los Angeles Verdugo Mountains, North side of the mountains, south of Hostetter Motorway just off La Tuna Canyon Road, south of the 210 Fwy 564 Comment
  UCR223580  Juncus macrophyllus R. G. Swinney 2009-6-8 11070 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
  UCR273381  Juncus macrophyllus R. G. Swinney 2011-10-18 15806 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
  RSA0126995  Juncus mexicanus Louis C. Wheeler 1967-7-15 10026 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  POM1611  Juncus phaeocephalus var. paniculatus Phillip A. Munz 1918-5-19 2262 Los Angeles Pomona. Comment
  UC520009  Juncus ranarius Joseph Andorfer Ewan 1932-4-30 7437 Los Angeles n end Baldwin Hills; Culver City Comment
  RSA0022517  Juncus rugulosus Duncan S. Bell, Caitlin Elam 2013-6-24 5237 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  CATA151  Juncus textilis Peter Henrikson 1987-5-21 115 Los Angeles Santa Catalina Island: Bulrush Canyon 243 Comment
  UCR148045  Juncus textilis Steve Boyd, Amber Maurice 2004-5-18 11335 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR210028  Juncus textilis R. G. Swinney 2008-7-12 9178 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
  RSA624648  Juncus tiehmii L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  IRVC29012  Juncus torreyi A. C. Sanders, Mark Elvin 2002-6-25 25288 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  CHSC35205  Juncus xiphioides James Henrickson 1973-6-23 10913 Los Angeles Santa Monica Mts., Topanga Canyon, 3/4 mile N of Topanga P.O. along old Topanga Canyon Road; in stream bed. 243 Comment
  HSC79773  Juncus xiphioides James Henrickson 1973-6-23 10913 Los Angeles Santa Monica Mtns., Topanga Canyon, 0.75 mi. N of Topanga P.O. along old Topanga Canyon Rd. 244 Comment
  UCR270849  Juncus xiphioides R. G. Swinney 2011-6-29 15342 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA682451  Juncus xiphioides LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1066 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway., Near 34.23286N, 118.28306W. 550 Comment
  POM19149  Juniperus californica Philip A. Munz 1923-5-27 6892 Los Angeles Pallett Creek. Comment
  CAS-BOT-BC235734  Keckiella cordifolia C. F. Baker 1903-7-20 3441 Los Angeles Claremont Comment
  POM50424  Keckiella cordifolia L. R. Abrams 1907-4-11 1468 Los Angeles Santa Monica Canyon Comment
  RSA199167  Keckiella cordifolia Robert F. Thorne, D. Propst 1968-5-28 37667 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA226196  Keckiella cordifolia Gary D. Cromwell, David W. Wheat 1971-4-30 591 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains 2 miles NE of Glendora. 457 Comment
  RSA401700  Keckiella cordifolia V. V. Giles 1936-7-5 47 Los Angeles Crystal Lake Road 1220 Comment
  RSA401756A  Keckiella cordifolia F. R. Fosberg 1931-5-21 S- 4937 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  SBBG31377  Keckiella cordifolia R. F. Thorne with P. C. Everett 1965-5-10 34427 Los Angeles Cape Cyn 289 Comment
  SD52966  Keckiella cordifolia Peter H. Raven 1962-5-10 1773 Los Angeles San Clemente Island, Horse Canyon, the large canyon west of Thirst 274 Comment
  JEPS21118  Keckiella ternata var. septentrionalis A. D. E. Elmer Jun 1902 3597 Los Angeles Acton; Mt. Gleason Comment
  UC1714356  Kochia californica Katharine Brandegee Los Angeles Lancaster Comment
  POM7121  Koeleria macrantha L. S., G. W 1919-5-10 2753 Los Angeles Turnbull Canyon, near Whittier 305 Comment
  RSA703903  Krascheninnikovia lanata Gary D. Wallace, Ann Hiller 1983-5-18 2045 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road 945 Comment
  SBBG72610  Krascheninnikovia lanata R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  UC1093935  Krascheninnikovia lanata Herbert L. Mason 1926-4-26 2993 Los Angeles 1 mi. e. Palmdale Comment
  LA202102  Lactuca serriola Monte Lloyd; 1950-7-31 500731p- 1715 Los Angeles University of California, Los Angeles, between athletic field and Faculty Hill 114 Comment
  RSA640521  Lactuca serriola Steven A. Junak 1996-9-28 672 Los Angeles San Clement Island: W side of island, in middle portion of Box Canyon 335 Comment
Read comments
Jun 23 2015
  CATA1250  Lagunaria patersonia Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2330 Los Angeles Santa Catalina Island: Catalina Harbor 3 Comment
  CAS-BOT-BC273827  Lamarckia aurea David B. Weissman 1971-6-26 180 Los Angeles San Clemente Island. Gravel surface area above Mosquito Cove 345 Comment
  UC30429  Lasthenia californica J. Burtt Davy May 9 1896-May 24 1896 2558 a Los Angeles Manzana Antelope Valley, Manzana Comment
  POM361498  Lasthenia californica E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  UC89997  Lasthenia coronaria J. C. Nevin Los Angeles Los Angeles Comment
  SBBG119488  Lasthenia gracilis P. H. Raven 1962-4-10 17193 Los Angeles S of Wilson Cove 91 Comment
  UC1211099  Lasthenia gracilis Huron H. Smith 1912-5-29 5027 Los Angeles summit road Santa Catalina Island 396 Comment
  UC130771  Lasthenia gracilis unknown 1893-5-21 Los Angeles Acton Comment
  UC1614261  Lasthenia gracilis Charles M. Belshaw 1935-3-29 504 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp, W. Antelope Valley); W. Antelope Valley, La Liebre Scarp Comment
  UCR170391  Lasthenia gracilis A. C. Sanders 2005-5-5 29939 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  UCR71379  Lasthenia gracilis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4384 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  SEINET8721391 Image available Lathyrus laetiflorus F. R. Fosberg 1931-1 S 4226 Los Angeles Topanga Canyon, 1 1/2 mi. below Wildwood, Santa Monica Mts. Comment
  RSA592367  Lathyrus vestitus subsp. alefeldii Mark Hoefs 1974-4-30 435 Los Angeles Santa Catalina Island; wooded hillside by trail in Hermit's Gulch 122 Comment
  POM244876  Lathyrus vestitus subsp. laetiflorus F. R. Fosberg 1931-3-25 S- 4373 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 100 Comment
  POM29614  Lathyrus vestitus subsp. laetiflorus Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  RSA536053  Lathyrus vestitus subsp. laetiflorus T. S. Ross 1991-5-21 5406 Los Angeles San Clemente Island: ridgetop of the 'armpit' where the two upper forks of Box Canyon join together 457 Comment
  UCR50690  Lathyrus vestitus subsp. vestitus Lyman Benson 1945-3-25 11615 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Big Dalton Canyon, Glendora. 351 Comment
  SD90476  Lathyrus vestitus var. vestitus Robert F. Thorne 1973-4-11 42850 Los Angeles San Clemente Island, middle portion of Norton Canyon, weedy canyon bottom 274 Comment
  RSA239455  Lavatera assurgentiflora subsp. assurgentiflora E. R. Blakley 1963-12-8 6414 Los Angeles San Clemente Island, south end of mesa and just under northwest edge of new air strip, about 150 ft north of West Cove 23 Comment
  RSA434060  Lavatera assurgentiflora subsp. assurgentiflora H. L. Bauer 1931-7-19 s.n. Los Angeles Sawtelle. Comment
  UCR272688  Lavatera assurgentiflora subsp. glabra Reid Moran 1941-2-26 625 Los Angeles Channel Islands, Santa Catalina Island, Indian Rock at Wilson's Harbor 5 Comment
  RSA728338  Layia glandulosa Gary D. Wallace 1982-4-17 1906 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  POM277122  Layia glandulosa subsp. glandulosa E. S. Steele, H. S. Pratt 1934-3-21 s.n. Los Angeles Northwest of Lancaster, Mojave Desert. Comment
  UC1348961  Layia platyglossa Robert F. Thorne 1966-4-4 35779 Los Angeles ne of Isthmus Cove Blue Cavern Point; Santa Catalina Island 30 Comment
  UC194114  Layia platyglossa S. B. and W. F. Parish Jun 1887 1924 Los Angeles Elizabeth Lake Comment
  UCR259093  Lemna R. G. Swinney 2010-10-15 14060 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  JEPS53625  Lepidium fremontii W. L. Jepson 1935-4-17 17037 Los Angeles Lancaster, w Mohave Desert Mohave Desert 716 Comment
  HSC6819  Lepidium fremontii C. S. Apperson 1966-3-30 Los Angeles Tujunga wash, 1 mi. E of Hansen dam on Foothill Blvd. Comment
  CAS-BOT-BC12474  Lepidium nitidum Cecil Hart 1927-1-29 s.n. Los Angeles Montebello. Comment
  UCR190608  Lepidium nitidum R. G. Swinney 1990-3-23 1535 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  CATA873  Lepidium nitidum Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1682 Los Angeles Santa Catalina Island: Upper Gallagher's Canyon, just below Bow Camp 390 Comment
  RSA485846  Lepidium nitidum T. S. Elias, Orlando Mistretta 1988-2-10 10663 Los Angeles San Clemente Island, near top of Marine Terrace Grade Comment
  UC465736  Lepidium perfoliatum Marjorie Shaw, Edna Spaulding, and Mrs. C. L. Walton Apr 6 1917-Apr 8 1917 988 Los Angeles Antelope Valley Mojave Desert Comment
  UCR256432  Lepidium strictum R. G. Swinney 2010-6-8 13198 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA482382  Leptochloa fusca subsp. uninervia Richard Noyes 1988-8-24 634 Los Angeles Claremont. Intersection of Mills Ave. and Baseline Ave. Comment
  UCR175043  Leptodactylon californicum Holly Summers 2006-6-4 46 Los Angeles San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon 701 Comment
  POM65855  Leptosiphon aureus L. R. Abrams 1901-04 s.n. Los Angeles Tujunga Wash Comment
  POM175418  Leptosiphon breviculus Joseph A. Ewan 1930-6-24 2645 Los Angeles Crystal Lake, N. Fork San Gabriel R. 1706 Comment
  RSA73036  Leptosiphon breviculus F. W. Peirson 1921-6-19 937 Los Angeles North Fork of San Gabriel River. 1646 Comment
  UCSB6465  Leptosyne californica Haller, John 1957-4-13 Los Angeles On Palmdale Ave. 0.7 miles E. of junc. with Calif. 138 and ca. 9 miles E. of center of Palmdale 762 Comment
  UCR141812  Lessingia filaginifolia June Latting 1978-9-17 s.n. Los Angeles San Gabriel Mountains, roadside between Grassy Hollow Campground andVincent Gap on the Angeles Crest Hwy, Angeles National Forest 2317 Comment
  POM49618  Lessingia glandulifera var. glandulifera A. D. E. Elmer 1902-06 3620 Los Angeles Palmdale Comment
  RSA91295  Lessingia glandulifera var. glandulifera F. W. Peirson 1918-10-17 278 Los Angeles Pacoima Valley, west end of San Gabriel River 457 Comment
  RSA65446A  Lewisia rediviva F. W. Peirson 1905-7-14 37 Los Angeles South of summit of Mt. San Antonio, San Gabriel Mountains Comment
  RSA187706  Leymus condensatus R. F. Thorne 1966-9-11 36640 Los Angeles Santa Catalina Island: lower Middle Ranch Canyon, ca. 0.75 mile above Ben Weston Beach 53 Comment
  RSA660433  Lilium parryi Orlando Mistretta 1992-6-25 616 Los Angeles Burkhart Trail, out of Buckhorn Campground. Comment
  RSA68752  Limonium californicum F. W. Peirson 850 Los Angeles Long Beach. Comment
  CATA3527  Limonium perezii Peter J. Dixon 2017-7-8 094 Los Angeles Santa Catalina Island: Channel side; Avalon, Chimes Tower Rd, near the Zane Grey Hotel, bare roadcut 0 Comment
  RSA760608  Limonium perezii R. G. Swinney 2008-12-6 9974 Los Angeles Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel. 229 Comment
  CAS-BOT-BC226760  Linanthus californicus Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont Comment
  LA200752  Linanthus californicus Jonathan Sauer; H. N. Sauer, R. Dix, A. Dix 1969-3-21 4406 Los Angeles Comment
  UCD118512  Linanthus californicus Dan Axelrod 1932-3-21 s.n. Los Angeles 10 miles north of San Fernando. Comment
  UCD118514  Linanthus californicus James Dilley 1997-2-3 s.n. Los Angeles Porter Ranch Park in Chatsworth. On Browns Canyon Road north of Fwy 118. Comment
  SBBG98237  Linanthus dianthiflorus C. B. Wolf 1932-3-4 2669 Los Angeles Thompson Crk, 3-4 mi N of Claremont 457 Comment
  UCR191293  Linanthus dichotomus T. B. Salvato 2008-4-22 3308 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
  RSA586623  Linanthus dichotomus T. S. Ross, S. D. Boyd 1991-3-23 4280 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  RSA0068961  Linanthus dichotomus subsp. pattersonii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4856 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA0014785  Linanthus liniflorus Robert L. Dressler 1949-6-18 878 Los Angeles Johnstone Peak, San Gabriel Mts. 853 Comment
  RSA593455  Linanthus parryae Steve Boyd 1996-4-24 8640 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  SBBG64498  Linanthus parryae R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  JEPS58130  Linanthus parviflorus Frank W. Peirson 1919-4-19 377 Los Angeles Pacoima Canyon San Gabriel Mountains 579 Comment
  UCR192541  Linanthus parviflorus T. B. Salvato 2008-4-25 3344 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, south of Hwy 138, foothills between Horse Camp Canyon and Cow Spring Canyon, 1/4 mi southwest of VABM(3291 ft) Zana 945 Comment
  CAS-BOT-BC426266  Lithophragma affine Le Roy Abrams 1901-4-3 1250 Los Angeles Santa Monica Mts. 304 Comment
  POM6604  Lithophragma affine subsp. mixtum P. A. Munz, L. T. Street, G. Williams 1919-4-19 2497 Los Angeles Lone Hill, San Dimas. Comment
  RSA579494  Lithophragma parviflorum var. parviflorum T. S. Ross, Steve Boyd 1994-5-11 7822 Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. 1500 Comment
  POM11823A  Lithophragma tenellum P. A. Munz 1922-5-30 5577 Los Angeles Head of Swartout Valley. 2195 Comment
  CAS-BOT-BC342195  Logfia filaginoides F. W. Peirson 1921-6-20 5278 Los Angeles West fork San Gabriel River, San Gabriel Mts. 533 Comment
  UC405419  Logfia filaginoides Katharine Brandegee 1889-5-1 Los Angeles Santa Catalina Island Comment
  UC1922639  Logfia gallica Valerie Soza, Laura Moore 2000-5-10 830 Los Angeles Transverse Ranges: Verdugo Mountains; Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 595 Comment
  CAS-BOT-BC269096  Lolium perenne Geo. B. Grant 1904-7-8 6318 Los Angeles Cienega Comment
  RSA624636  Lolium perenne L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  UCR205566  Lolium perenne R. G. Swinney 2008-5-30 8901 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  UCR280668  Lomatium lucidum R. G. Swinney 2014-5-21 16632 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
  RSA452105  Lomatium mohavense Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA506824  Lomatium mohavense L. C. Wheeler 1967-5-12 9467 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA598858  Lomatium nevadense var. parishii Steve Boyd, Timothy S. Ross 1997-3-21 9234 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  UC1375308  Lomatium nevadense var. parishii R. F. and M. Z. Thorne 1969-7-9 38543 Los Angeles Table Mountain, summit, above Big Pines Ranger Station San Gabriel Mountains, Angeles National Forest 2133 Comment
  UC1211056  Lonicera hispidula var. vacillans Huron H. Smith 1912-6-13 5104 Los Angeles Rock Springs Canyon Santa Catalina Island 91 Comment
  CAS-BOT-BC234860  Lonicera subspicata var. denudata L. A. Greata 1900-9-23 s.n. Los Angeles Eagle Rock Canon [Canyon] Comment
  JEPS12863  Lonicera subspicata var. denudata C. E. Hutchinson 1892-6-28 Los Angeles San Gabriel Canyon 914 Comment
  SD253425  Lonicera subspicata var. denudata R. G. Swinney 2011-11-3 15990 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  RSA589332  Lotus argophyllus subsp. ornithopus T. S. Ross 1995-5-20 8594 Los Angeles San Clemente Island. Southwesterly-trending ridge 1640 ft due S of Guse (888 ft) triangulation point. 145 Comment
  RSA589334  Lotus argophyllus subsp. ornithopus T. S. Ross 1995-5-20 8595 Los Angeles San Clemente Island. Southwesterly-trending ridge ca. 1640 ft due S of Guds (888-ft) triangulation point. 145 Comment
  RSA590420  Lotus argophyllus subsp. ornithopus T. S. Ross 1993-4-21 6845 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'' 397 Comment
  POM24834  Lotus argophyllus subsp. ornithopus George B. Grant 1906-9-1 7162 Los Angeles Santa Catalina Island Comment
  RSA155785  Lotus argophyllus var. ornithopus P. H. Raven 1962-5-22 17843 Los Angeles Middle Ranch, Santa Catalina Island. 213 Comment
  UCR57526  Lotus corniculatus Bill Wagner 1989-8-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Northern Santa Monica Mtns, c. 0.5 mi. south of Hwy 101 on E and W sides of Kanan Road, NE of Ladyface Comment
  CATA1376  Lotus corniculatus Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2498 Los Angeles Santa Catalina Island: Upper Bulrush Reservoir 292 Comment
  UC457232  Lotus crassifolius var. crassifolius Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  UC56576  Lotus grandiflorus H. M. Hall 1902-5-11 3273 Los Angeles Sierra Santa Monica Comment
  RSA176757  Lotus grandiflorus var. grandiflorus Donald W. Kyhos 1962-4-8 62 -82 Los Angeles Stuntz Road 2.2 miles from junction with Mulholland Highway Comment
  UC80812  Lotus heermannii Ernest Braunton 1902-5-10 330 Los Angeles Rivera Comment
  RSA191353  Lotus heermannii var. heermannii R. F. Thorne 1967-7-19 37152 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  UCR183995  Lotus humistratus A. C. Sanders 2007-4-19 33427 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR187187  Lotus humistratus A. C. Sanders 2006-4-21 32141 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  UC15714  Lotus nevadensis var. davidsonii H. M. Hall Jun 1899 1253 Los Angeles Swartout Canyon San Antonio Mountains 2133 Comment
  SEINET6655526  Lotus nevadensis var. davidsonii Orlando Mistretta 1992-6-12 564 Los Angeles Transverse Ranges; San Gabriel Mtns region: Cow Canyon (Road 2N29 EA- from Saddle to 2nd main drainage).; 0 Comment
  RSA729965  Lotus oblongifolius var. oblongifolius R. G. Swinney 1999-5-22 7200 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.25 mi. south of Camp Jubilee Rd. 1610 Comment
  RSA588156  Lotus oblongifolius var. oblongifolius Orlando Mistretta 1994-5-23 1244 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1220 Comment
  RSA733282  Lotus procumbens R. G. Swinney 2001-6-16 7977 Los Angeles San Gabriel Mtns.: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
  UCR276983  Lotus procumbens R. G. Swinney 2010-6-1 13156 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
  UCR78128  Lotus salsuginosus Wandalee Thompson 1964-4-11 9 Los Angeles San Gabriel Mtns., Liebre Mountains, Angeles National Forest, near Green Valley, San Francisquito Canyon 854 Comment
  SFV17856  Lotus salsuginosus var. salsuginosus J. N. Hogue 1998-11-19 130 .3 Los Angeles San Gabriel Mountains San Gabriel Canyon, Highway 39 just west of Morris Reservoir. 396 Comment
  UC1870218  Lotus salsuginosus var. salsuginosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 710 Los Angeles Transverse Ranges; Verdugo Mountains region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 576 Comment
  UC1922303  Lotus salsuginosus var. salsuginosus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 697 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 18'' N 118deg 17' 17.4'' W T2N R Comment
  RSA533442  Lotus salsuginosus var. salsuginosus T. S. Ross 1991-4-21 4507 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  POM306251  Lotus scoparius Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1369 Los Angeles North Craig Ave., Altadena. Comment
  RSA658473  Lotus scoparius Erinn Wilson 1996-4-26 2 Los Angeles G Canyon on Cal Poly Campus Pomona. Comment
  UCR205643  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37020 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA406298  Lotus strigosus Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  RSA406461  Lotus strigosus Ora M. Clark 1929-3-30 1898 Los Angeles W. of Lancaster Comment
  RSA498735  Lotus strigosus Dorothy Davis 1923-4-29 s.n. Los Angeles La Canada. Comment
  RSA656330  Lotus strigosus Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 680 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 579 Comment
  RSA774738  Lotus strigosus R. G. Swinney 2009-6-17 11172 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  SEINET3560035 Image available Lotus strigosus Alice M. Ottley 1920-5-5 599 Los Angeles Pasadena Comment
  UCR187122  Lotus strigosus A. C. Sanders 2006-4-10 31982 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  PASA1111  Lotus strigosus Sally Ellis 1939-3-24 Los Angeles Claremont Comment
  SEINET3560008 Image available Lotus strigosus Noel H. Holmgren, Patricia K. Holmgren 1974-4-5 7628 Los Angeles North foothills of San Gabriel Mountain, Portal Ridge, 13 air miles W of Lancaster 1067 Comment
  RSA611628  Lotus wrangelianus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10110 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  RSA0108860  Lotus wrangelianus Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 SCa- 528 Los Angeles Santa Catalina Island: Little Ripper's Canyon, just inland from beach. 51 Comment
  RSA772285  Lupinus R. G. Swinney 2009-5-9 10707 Los Angeles Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway. 183 Comment
  UCR209913  Lupinus R. G. Swinney 2008-7-25 9306 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
  SEINET10688762  Lupinus arizonicus subsp. arizonicus David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3623 Los Angeles South facing side of ravine west of the buildings of California Poly. Campus. 3 1/2 miles SW of San Dimas. Comment
  HSC87154  Lupinus bicolor Steve Boyd, T. S. Elias 1987-4-14 2040 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  LA33933  Lupinus bicolor Henry J. Thompson; 1959-4-19 1935 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  RSA279113  Lupinus bicolor R. F. Thorne 1971-3-18 41498 Los Angeles Cobal Canyon, 3 miles N of Claremont. 502 Comment
  UC73220  Lupinus bicolor E. D. Palmer Apr. 1903 Los Angeles Los Angeles Comment
  UCR270806  Lupinus bicolor R. G. Swinney 2010-6-1 13114 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
  UCR51007  Lupinus bicolor A. C. Sanders, E. J. Lawlor 1988-4-3 7747 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  UCR60558  Lupinus bicolor R. F. Thorne, W. Wisura, S. Granger, Pamela Burton 1982-4-20 55000 Los Angeles San Gabriel Mountains, grassy slopes above Little Rock Creek, below dams 976 Comment
  OBI70748  Lupinus bicolor Louis C. Wheeler 1969-5-3 s.n. Los Angeles San Gabriel Mts: Bluebird truck trl. T1N R9W SW 1/4 sec 22 716 Comment
  SEINET7047887 Image available Lupinus bicolor Steven R. Hill, Kate Kramer 2001-4-22 33335 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  SFV22038  Lupinus bicolor subsp. microphyllus V. Soza, L. Gross, A. Munoz 2000-5-12 887 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. East-northeast-facing slope alongside trail to fire road, near junction. 396 Comment
  POM350024  Lupinus bicolor subsp. microphyllus M. B. Dunkle 1938-3-20 5251 Los Angeles Rolling hills, Palos Verdes Hills, Los Angeles. Comment
  SEINET10484875  Lupinus bicolor subsp. microphyllus Robert F. Thorne 1966-4-28 Thorne 35256 Los Angeles Dry, eroded, clayey slopes, hay press area, with calystegia macrostegia Cyclostegia, gnaphalium purpureum, stipa cernua, helianthemum scoparium, Plagiobothrys arizonicus catalinensis, brodiaea jolonensis, navarettia hamata, Lotus spp 427 Comment
  RSA609504  Lupinus chamissonis L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  CATA1576  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2845 Los Angeles Santa Catalina Island: By upper end of road to Toyon Beach 411 Comment
  RSA0088572  Lupinus concinnus R. G. Swinney 2010-5-11 12692 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  UCR192159  Lupinus concinnus A. C. Sanders 2008-4-18 34973 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  RSA210096  Lupinus elatus Victor Duran 1933-7-26 3535 Los Angeles Buckhorn 1982 Comment
  UCR193666  Lupinus excubitus R. G. Swinney 1999-6-5 7270 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  RSA755626  Lupinus excubitus var. austromontanus R. G. Swinney 2008-7-15 9204 Los Angeles Winston Peak. 2275 Comment
  RSA0105029  Lupinus excubitus var. hallii R. G. Swinney 2011-4-26 14498 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA529143  Lupinus excubitus var. johnstonii T. S. Ross 1991-7-24 5636 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1902 Comment
  POM2587  Lupinus formosus var. formosus Darwin C. Raetlinger 1903-4-26 s.n. Los Angeles Arroyo, near Pasadena. Comment
  UC1129469  Lupinus formosus var. robustus A. D. Gifford 1935-4-11 362 Los Angeles 3 mi sse Manzana; Tejon Quadrangle Comment
  RSA0114165  Lupinus hirsutissimus Steven A. Junak 1998-6-13 SCa- 752 Los Angeles Santa Catalina Island. W side of Avalon Canyon, upslope from fire station. 140 Comment
  CAS-BOT-BC211713  Lupinus longifolius Alice Eastwood 1906-5-27 139 Los Angeles Laurel Canyon Comment
  RSA517110  Lupinus longifolius T. S. Ross 1990-5-14 2465 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1152 Comment
  CAS-BOT-BC8456  Lupinus microcarpus var. densiflorus LeRoy Abrams; Ernest Alexander McGregor 1908-7-2 551 Los Angeles san Gabriel Mountains, Rock Creek 1158 Comment
  IRVC26358  Lupinus microcarpus var. densiflorus A. C. Sanders, Mark A. Elvin 2003-4-16 26036 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  CAS-BOT-BC207246  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  UC1129705  Lupinus sparsiflorus A. D. Gifford 1935-3-27 518 Los Angeles Kings Canyon; Tejon Quad., Kings Canyon Comment
  UCR177755  Lupinus sparsiflorus LeRoy Gross 2005-4-28 2157 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UCR259763  Lupinus sparsiflorus R. G. Swinney 2010-4-20 12295 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR266384  Lupinus sparsiflorus D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4365 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  UC15869  Lupinus sparsiflorus J. H. Barber 1907-4-20 141 Los Angeles Pomona Experiment Station Comment
  RSA590526  Lupinus sparsiflorus subsp. sparsiflorus Orlando Mistretta 1994-3-30 965 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  RSA86965  Lupinus stiversii F. W. Peirson 1921-5-3 2405 Los Angeles Ridge Westward from Mt. Lowe near pint where the trail from Millard's Canyon crosses it, San Gabriel Mts 1296 Comment
  RSA414823  Lupinus succulentus T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  SBBG13601  Lupinus succulentus P. H. Raven 1962-5-9 17677 Los Angeles near head of cyn at S end of Mosquito Cove 335 Comment
  UCR258564  Lupinus succulentus R. G. Swinney 2010-3-10 11811 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  CHSC25044  Lupinus truncatus L. M. Mayer 1974-4-5 126 Los Angeles Big Tujunga Canyon Rd. ca. 3/4 mi e of intersection with Mt. Gleason Blvd. (near Tujunga). Comment
  LA52452  Lupinus truncatus Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA598376  Lupinus truncatus L. C. Wheeler 1967-5-24 9758 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA599785  Lupinus truncatus Steve Boyd, Lauren Raz 1997-3-25 9278 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  SBBG89750  Lupinus truncatus M. B. Dunkle 1939-4-7 7334 Los Angeles Pyramid Cove Comment
  UC557771  Lupinus truncatus Nell Murbarger 1936-3-1 35 Los Angeles San Clemente Island Comment
  CAS-BOT-BC233481  Lycium californicum L. R. Abrams; I. L. Wiggins 1931-7-7 409 Los Angeles Catalina Harbor, Santa Catalina Island Comment
  SBBG17876  Lycium californicum P. H. Raven 1962-4-9 17155 Los Angeles Wilson's (Wilson) Cove 91 Comment
  CAS-BOT-BC231600  Lycium cooperi Timothy S. Ross; J. Mark Porter 1994-5-1 7580 Los Angeles Southwestern Mojave Desert: Open desert, ca 1870 m SW of Three Sisters buttes, along Black Butte Basin Road 966 Comment
  UCR141205  Lycium cooperi June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  UC557826  Lycium fremontii Nell Murbarger May 1936 196 Los Angeles Northwest Harbor San Clemente Island Comment
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Aug 9 2007
  UC1244219  Lyonothamnus floribundus subsp. aspleniifolius Peter H. Raven 1962-5-9 17682 Los Angeles steep canyon wall near head of canyon above Mosquito Cove; San Clemente Island 274 Comment
  CAS-BOT-BC142324  Lyonothamnus floribundus subsp. floribundus W. S. Lyon 1884-7-1 s.n. Los Angeles Mt. top of Santa Catalina Island Comment
  RSA578208  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8191 a Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 125 Comment
  UCR65198  Lyonothamnus floribundus subsp. floribundus Reid Moran 1941-2-28 652 Los Angeles Channel Islands, Santa Catalina Island, head of Johnson's Canyon 400 Comment
  RSA0035881  Lythrum californicum R. G. Swinney 2009-11-9 11587 B Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA611587  Lythrum californicum Louis C. Wheeler 1946-9-8 6359 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 mile west of Bear Creek. 518 Comment
  POM308912  Lythrum californicum Unspecified 1942-5-22 627 Los Angeles trail to Flumes 4 and 5 N side, San Dimas Experimental Forest, San Gabriel Mt. Comment
  RSA748445  Madia elegans subsp. elegans Orlando Mistretta 1992-8-20 755 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  POM49828  Madia gracilis L. R. Abrams 1901-06 1710 Los Angeles Santa Monica Mts Comment
  RSA770896  Madia gracilis R. F. Thorne 1965-5-10 34481 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  SD132671  Madia gracilis F. R. Fosberg 1931-4-10 S 4528 Los Angeles Santa Catalina Island; Hamilto Canyon 39 Comment
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Feb 20 2012
  RSA773672  Madia minima R. G. Swinney 2009-6-3 11039 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA188134  Madia sativa R. F. Thorne 1966-4-28 36220 Los Angeles Santa Catalina Island, west-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon 259 Comment
  CAS-BOT-BC343599  Madia sativa Rev. J. C. Nevin 1882-1-1 s.n. Los Angeles Verdugo Canon [Canyon] Comment
  NY24350  Mahonia nevinii P. A. Munz 1924-4-12 7940 Los Angeles 2 miles east of San Fernando Comment
  RSA229101  Maianthemum stellatum Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38890 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area, at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway, 1.2 mile SE of Dawson Saddle 2332 Comment
  SD92014  Malacothamnus clementinus Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-24 22697 Los Angeles San Clemente Island; on cliff, China Canyon. 130 Comment
  RSA563514  Malacothamnus davidsonii Tim S. Ross, Steve D. Boyd 1993-6-30 7387 Los Angeles Western SAN GABRIEL MTS.: near middle portion of Loop Canyon. 684 Comment
  UC284178  Malacothamnus davidsonii P. A. Munz 1923-9-1 7723 Los Angeles near edge of meadow (at Ranger Station); San Antonio Mts., Swartout Valley 1828 Comment
  RSA673606  Malacothamnus davidsonii LeRoy Gross 2003-1-18 681 Los Angeles Along dirt road of Stough canyon Mountainway, before saddle were it meets verdugo Mountainway. 585 Comment
  CHSC34388  Malacothamnus fasciculatus Phillip A. Silverstone 1978-7-23 232 Los Angeles Santa Monica Mountains; Latigo Canyon Rd. 0.3 km inland from State 1. Comment
  HSC15980  Malacothamnus fasciculatus C. S. Apperson 1967-6-15 Los Angeles 1 mi. down Canton Canyon trail off the end of Townsend Pk. Rd. Comment
  RSA670363  Malacothamnus fasciculatus Bonnie C. Templeton, H. J. Andrews 1938-6-22 1693 Los Angeles Mint Canyon Comment
  CATA28  Malacothamnus fasciculatus var. catalinensis USC Wrigley Interns: Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 11 Los Angeles Santa Catalina Island: Deer Valley Trail, Aspect: Northwest, Slope: approx. 30% 22 Comment
  CHSC62046  Malacothamnus fasciculatus var. fasciculatus L. P. Janeway 1993-10-5 4607 Los Angeles Puente Hills; at the head of Arroyo San Miguel 228 Comment
  UC566271  Malacothamnus fasciculatus var. fasciculatus A. D. Gifford 1935-1-7 406 Los Angeles 6 1/2 mi se Whitaker Peak; Tejon Quadrangle 518 Comment
  CAS-BOT-BC206310  Malacothamnus fremontii I. M. Johnston 1917-8-22 1673 Los Angeles Prairie Fk. of San Gabriel R., San Antonio Mountains 1889 Comment
  RSA0048472  Malacothrix Bruce Haines 1962-5-4 177 Los Angeles 5.8 miles East of junction with U.S. HIghway 6 on California 138. 883 Comment
  UC166690  Malacothrix clevelandii unknown 1906-6-10 Los Angeles Mt. Lowe San Gabriel Mts., Mt. Lowe Comment
  IRVC27981  Malacothrix coulteri A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26112 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  SBBG131906  Malacothrix saxatilis var. arachnoidea S. A. Junak 2000-6-30 SCa 1362 Los Angeles just SE of summit of Mt Torquemada 402 Comment
  CAS-BOT-BC347912  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1899-3-30 s.n. Los Angeles Sepulverda Canon [Sepulveda Canyon], Santa Monica Mts. Comment
  CAS-BOT-BC347929  Malacothrix saxatilis var. tenuifolia H. E. McMinn 1924-6-29 1359 Los Angeles Turnbull Canon [Canyon], Whittier Comment
  RSA754363  Malosma laurina Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1757 Los Angeles Turnbull Canyon, Turnbull Canyon Road 337 Comment
  UCD116866  Malosma laurina G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  UCSB8653  Malosma laurina McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd., Granada Hills 457 Comment
  RSA434889  Malva parviflora John E. Marble 1894-3-22 s.n. Los Angeles Cahuenga Comment
  RSA592432  Malva parviflora Louis C. Wheeler 1967-5-13 9497 Los Angeles On mesa between Little Dalton and Englewild canyons, in vicinity of abandoned lemon grove. 381 Comment
  SD125984  Malva pseudolavatera A. C. Sanders 1988-5-18 7818 Los Angeles El Segundo Dunes, immediately west of L. A. Int. Airport and east of Vista Del Mar Blvd. Comment
  RSA0091494  Marah macrocarpa R. G. Swinney 2010-3-13 11890 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA341425  Marah macrocarpa F. C. Boutin 1967-4-23 1665 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site 305 Comment
  SBBG19194  Marah macrocarpa M. A. Piehl 1965-12-7 631064 Los Angeles base of Pyramid Head 6 Comment
  UCR259684  Marah macrocarpa R. G. Swinney 2010-4-15 12228 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR281365  Marah macrocarpa R. G. Swinney 2014-5-15 16518 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  LA57526  Marah macrocarpa s.n. Los Angeles SANTA MONICA MOUNTAINS, Comment
  RSA441000  Marah macrocarpa var. macrocarpa F. R. Fosberg 1931-1-7 7112 Los Angeles Sierra Madre. 300 Comment
  RSA440969  Marah macrocarpa var. major Blanche Trask 1900-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA0031678  Marrubium vulgare J. B. 1968-12-13 2 Los Angeles La Tuna Canyon. 548 Comment
  RSA409833  Marrubium vulgare F. R. Fosberg 1931-4-2 S- 4459 Los Angeles Santa Catalina Island. Descanso Canyon. 30 Comment
  SBBG128431  Marrubium vulgare M. L. Hoefs 1994-5-21 1844 Los Angeles SE end of Renton Mine Rd 262 Comment
  POM362438  Matricaria matricarioides L. C. Wheeler 1934-4-24 2558 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA445530  Meconella denticulata Louis C. Wheeler 1934-3-23 2466 Los Angeles San Dimas Canyon 427 Comment
  PASA198  Medicago hispida Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  HSC98389  Medicago lupulina Wendell Wood 1970-6-17 5 Los Angeles 3135 Linda Vista Rd., Glendale 366 Comment
  POM2401  Medicago lupulina D. L. Crawford 1916-4-20 s.n. Los Angeles Claremont. Comment
  UCR155933  Medicago polymorpha A. C. Sanders 2005-5-5 29894 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  CAS-BOT-BC281515  Melica imperfecta Reeder, John R. & Charlotte G. Reeder 1973-6-1 6229 Los Angeles Angeles National Forest, San Gabriel Mts, Monte Cristo Campground 1097 Comment
  POM357044  Melica imperfecta George R. Johnstone 1925-4-11 s.n. Los Angeles Mt. Lowe Comment
  RSA0091132  Melica imperfecta R. G. Swinney 2010-4-13 12197 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCD87787  Melica imperfecta A. A. Beetle 1946-4-20 4741 Los Angeles Palos Verdes Hills, near Los Angeles. Comment
  UCSB12229  Melica imperfecta Hochberg, Fred 1961-3-17 Los Angeles North slope 1/2 mile from Middle Ranch into Cape Canyon, Catalina Island Comment
  RSA550428  Melilotus albus T. S. Ross 1992-7-10 6664 Los Angeles Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  UCR210336  Melilotus albus R. G. Swinney 2008-10-16 9587 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  RSA533444  Melilotus indicus Tim S. Ross 1991-4-21 4505 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  RSA659445  Melilotus indicus Monica Acosta 1998-5-25 18 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  RSA440352  Mentzelia affinis Anstruther Davidson 1912-05 2805 Los Angeles Van Nuys Comment
  SFV2372  Mentzelia affinis P. G. Kilburn 1958-4-12 720 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  SBBG105339  Mentzelia affinis H. L. Ferguson 1980-4-16 151 Los Angeles Westshore Gr. Near Skeet range turnoff 18 Comment
  RSA741036  Mentzelia albicaulis Scott D. White 2004-5-5 10296 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  SBBG69294  Mentzelia albicaulis R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UCR91566  Mentzelia albicaulis A. C. Sanders, E. J. Lawlor 1988-4-3 7736 Los Angeles Southern Mojave Desert, 1.3 mi. NW of the San Bernardino County line on Hwy 138, c. 2 mi. NW of Pinyon Hills. 1159 Comment
  SBBG49901  Mentzelia albicaulis L. S. Matlovsky 1975-3-28 DM 0011 -16 Los Angeles near Butte Valley Wild Flower Sanctuary Comment
  RSA0097173  Mentzelia dispersa R. G. Swinney 2011-6-1 14969 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA660115  Mentzelia dispersa Orlando Mistretta 1992-6-12 559 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR263211  Mentzelia jonesii Ed Kentner 2014-3-21 361 Los Angeles Western Mojave Desert, c. 13 km east of Pearblossom, near the corner of Largo Vista Road and Avenue X-8 1876 Comment
  JEPS42852  Mentzelia laevicaulis var. laevicaulis F. W. Peirson 1918-6-16 121 Los Angeles San Gabriel Mts., Rock Creek Comment
  CATA1883  Mentzelia micrantha Denise Knapp 2005-3-4 Los Angeles Santa Catalina Island: Airport Burn, near transect #8 342 Comment
  UCR192875  Mentzelia micrantha R. G. Swinney 1998-8-6 6721 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, c. 0.25 mi. above confluence of Falls Gulch on west side of river 1012 Comment
  JEPS42751  Mentzelia micrantha Frank W. Peirson 1918-6-12 119 Los Angeles San Gabriel Mts., Lower Rubio Canyon 579 Comment
  CAS-BOT-BC167617  Mentzelia veatchiana G. B. Grant 1933-4-23 s.n. Los Angeles Saugus Comment
  RSA774746  Mentzelia veatchiana R. G. Swinney 2009-6-17 11166 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  UC1293709  Mentzelia veatchiana P. C. Everett and E. K. Balls 1959-5-22 23801 Los Angeles 1/2 to 1 mi se Fairview; Antelope Valley, San Adreas Rift 853 Comment
  RSA587524  Mentzelia veatchiana Orlando Mistretta, Steve D. Boyd, D. L. Banks 1994-4-29 1098 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  SBBG31430  Mesembryanthemum crystallinum R. F. Thorne 1966-4-4 35783 Los Angeles Bird Rock, N of Isthmus Cove 7 Comment
  RSA710280  Metrosideros kermadecensis A. C. Sanders, Lee Jones 2005-4-8 29364 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UCR142804  Micropus californicus var. californicus L. C. Wheeler 1967-5-18 9613 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  IRVC27957  Microseris heterocarpa A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26116 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  POM6705  Microseris lindleyi L. T. Street, G. Williams 1919-4-5 2427 Los Angeles Puddingstone Canyon, San Dimas Comment
  UCR259588  Microseris lindleyi R. G. Swinney 2010-4-15 12227 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  POM246448  Microseris lindleyi F. R. Fosberg 1931-3-27 4419 Los Angeles Pebble Beach Road, Santa Catalina Island. 5 Comment
  RSA650922  Mimulus aurantiacus Peter J. Estournes 1981-5-5 4 Los Angeles Mt. Baldy. Just above the flood dam, southern side of mountain. Comment
  SDSU10744  Mimulus aurantiacus R. M. Beauchamp 1967-6-3 563 Los Angeles On rocky outcropping on north side of canyon south of Thirst. San Clemente Island. Comment
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May 16 2008
  UCR260800  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-8-9 13468 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCR92062  Mimulus aurantiacus var. pubescens Scott D. White 1995-2-7 2527 Los Angeles San Gabriel Mtns., Santa Susana Mtns, Sunshine Canyon, directly west of Hwy I-5 just south of interchange with Hwy 14 457 Comment
  POM246800  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-3-31 S- 4429 Los Angeles Santa Catalina Island. Divide between Hamilton and Descanso Canyons. 40 Comment
  UCR142496  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-4-2 S- 4451 Los Angeles Channel Islands, Hamilton Canyon, near Avalon, Santa Catalina Island 200 Comment
  LA32125  Mimulus cardinalis Peter H. Raven; 1959-10-25 14690 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  RSA0080650  Mimulus cardinalis R. G. Swinney 2010-5-29 13010 Los Angeles 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
  RSA0106863  Mimulus cardinalis R. G. Swinney 2011-7-29 15573 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA5496  Mimulus cardinalis Carl B. Wolf 1932-8-11 4012 Los Angeles Big Rock Creek, 1 1/4 mi. below Big Rock Ranger Station 915 Comment
  RSA80121  Mimulus cardinalis F. W. Peirson 1910-08 194 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  UC886128  Mimulus cardinalis Ezra C. Knopf 136 Los Angeles Santa Catalina Island Comment
  UCR258525  Mimulus cardinalis R. G. Swinney 2010-8-9 13473 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  SEINET12269807  Mimulus cardinalis Unknown 1933-1 8415 Los Angeles near Los Angeles Comment
  RSA0091981  Mimulus floribundus R. G. Swinney 2011-6-30 15413 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA602555  Mimulus floribundus Louis C. Wheeler 1967-8-9 10418 Los Angeles San Gabriel Mountains: Headwaters of Devil's Canyon on S side Mt. Waterman. 2195 Comment
  UCR209135  Mimulus floribundus R. G. Swinney 2008-6-24 9085 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR270930  Mimulus floribundus R. G. Swinney 2011-5-26 14884 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA588060  Mimulus fremontii var. fremontii Orlando Mistretta 1994-4-15 1043 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1037 Comment
  RSA624023  Mimulus fremontii var. fremontii S. Brock 1963-5-11 20 Los Angeles 1.5 mi. above Little Rock lake, S of dirt road in wash. 915 Comment
  UCR16005  Mimulus fremontii var. fremontii Steve Stadler 1966-4-17 41766- 64 Los Angeles E side of San Gabriel Mtns., 0.5 mi. north of Mile High on road [N4] that connects Mile High with the Palmdale - Cajon Junction Road [Hwy 138] 1463 Comment
  SFV3395  Mimulus guttatus K. A. Wilson 1962-5-12 1274 Los Angeles San Gabriel Mountains Canyon with public campgrounds leading to Devil's Punch Bowl Trail. North slope of San Gabriel Mountains. 1400 Comment
  JEPS84376  Mimulus guttatus Roxanne Bittman 1977-5-14 47 Los Angeles 14 mi w Elizabeth Lake Road (on n side of Bouquet Canyon Road) 731 Comment
  RSA657444  Mimulus guttatus Gerald Pitto 1980-6-8 46 Los Angeles Verdugo Mountains: 1/4 mile up Cook's Canyon, end of Markridge Road, top of Lowell Ave. La Crescenta. 579 Comment
  SEINET3159701  Mimulus puniceus G. B. Grant 1904-4-24 285 Los Angeles Santa Catalina Island. Comment
  RSA423551  Minuartia douglasii I. M. Johnston 1917-6-20 1356 Los Angeles Baldy Lookout of USFS. 2134 Comment
  CAS-BOT-BC434650  Mirabilis laevis var. crassifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8475 Los Angeles Liebre Mountains. Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  POM13369  Monardella australis subsp. cinerea P. A. Munz 1922-7-21 6114 Los Angeles Saddle between Baldy and Little Baldy. 2866 Comment
  CAS-BOT-BC219836  Monardella breweri Roxana S. Ferris 1918-6-12 949 Los Angeles 3 miles above Acton on Palmdale - Saugus Rd. Comment
  RSA733284  Monardella breweri R. G. Swinney 2001-5-17 7950 Los Angeles San Gabriel Mtns./Mojave Desert: Largo Vista area, along Panorama Rd. c. I mile west of Largo Vista Rd. 1338 Comment
  SD239800  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin, Adam Clause 2008-5-30 5972 Los Angeles Transverse Ranges: Santa Monica Mountains: Santa Ynez Canyon, ca. 300 m N of Verde De La Montura Road Comment
  RSA29720  Monardella lanceolata var. lanceolata Louis C. Wheeler 1932-6-4 797 Los Angeles San Gabriel Wash at Arrow Hwy. 107 Comment
  RSA508661  Monardella lanceolata var. lanceolata Gordon Pilone, Mark Parratt 1962-6-24 508 Los Angeles 1 mile W of Topanga Canyon Road on [Robinson?] Road 305 Comment
  RSA408589  Monardella lanceolata var. lanceolata Ducelia Sabb 1937-6-28 s.n. Los Angeles Near Los Angeles. Comment
  UCR124721  Monardella linoides subsp. stricta B. C. Templeton 1932-8-25 5067 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UC1069956  Monolopia lanceolata G. T. Nordstrom 1935-4-6 416 Los Angeles 1.1 mi sse Gorman; Tejon Quad. Comment
  RSA729922  Muhlenbergia californica R. G. Swinney 1998-7-28 6512 Los Angeles Cat Canyon, a western tributary of San Antonio Canyon, south of Sunset Peak. 1024 Comment
  POM220643  Muhlenbergia microsperma L. C. Wheeler 1932-8-9 1129 Los Angeles 2 miles SW [of] Azusa 107 Comment
  SEINET3129570  Muhlenbergia microsperma L. R. Abrams 1903-3-11 3111 Los Angeles Sepulveda canyon, Santa Monica Mts Comment
  UC1109355  Muhlenbergia microsperma Peter H. Raven 1962-4-12 17324 Los Angeles near foot of canyon s of canyon below the Tomb (w side San Clemente Island); w side San Clemente Island 137 Comment
  RSA0085092  Muilla maritima R. G. Swinney 2010-4-1 12167 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA590611  Muilla maritima Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2949 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
  SBBG20585  Munzothamnus blairii E. R. Blakley 1963-12-8 6385 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 304 Comment
  CATA3375  Myoporum laetum Peter J. Dixon, Matt Guillams, Steve Junak, Amy Catalano 2016-5-11 049 Los Angeles Santa Catalina Island: Avalon Canyon, drainage adjacent to fallow field, above Machado Field 58 Comment
  RSA0119546  Nama demissa R. G. Swinney 2014-4-30 16265 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  UCR282040  Nama demissa R. G. Swinney 2014-4-18 16109 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
  UCR51505  Narcissus tazetta A. C. Sanders 1988-2-3 7608 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  POM353180  Nassella cernua Robert Gustafson 1978-6-1 978 Los Angeles Off dirt road leading into Hungry Valley, ca. .2 mile from the junction with thepaved 2-lane Peace Valley Rd., west of Gorman. 1220 Comment
  RSA728783  Nassella cernua Gary D. Wallace 1979-4-19 1685 b Los Angeles Mojave Desert, w. of Fairmont along Lancaster Rd. Comment
  UC821953  Nassella lepida Marcus E. Jones, A. M. 1882-5-2 3544 Los Angeles Pasadena Comment
  RSA550588  Nassella pulchra Fred M. Roberts, R. E. Riefner, P. Bowler 1989-4-4 4231 Los Angeles San Clemente Island: Stone Survey Marker Field Station, 10.3km SSE Wilson Cove along eastern escarpment. alt 360m 360 Comment
  SBBG108418  Nassella pulchra T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-19 8587 Los Angeles northern tributary of Canchalagua Cyn, ca. 1070 ft NNE of the 1135 ft Triangulation Pt 256 Comment
  RSA127448  Nasturtium officinale P. H. Raven, H. J. Thompson 1959-10-14 14632 Los Angeles Santa Monica Mountains: East end of Malibu Lake. (Lat. N. 34d; Long. 118d to 119d W) 221 Comment
  RSA648714  Nasturtium officinale Dolores Perez 1981-5-3 33 Los Angeles Hwy 39, Crystal Lake Recreation Area Comment
  SD178203  Navarretia jaredii A. C. Sanders, T. B. Salvato 2005-5-24 30280 Los Angeles Western San Gabriel /Liebre Mtns. Region: Santa Clarita area, ca. 0.5 mi. northwest of community of Mint Canyon. 548 Comment
  UCR148996  Navarretia prostrata Beecher Crampton 1963-5-8 6794 Los Angeles Coastal Plains & Basins; Los Angeles Basin region., Los Angeles, north of Gardena, Rosecrans Ave. just west of its junction with Western Ave. Comment
  SBBG122011  Navarretia setiloba A. Parikh, N. Gale 2003-6-13 756 Los Angeles E of dirt track between Cruzan Mesa and Plum Cyn, 2 km W of Sierra Hwy, 1.9 km SW of Vazquez Cyn Rd 665 Comment
  RSA628957  Nemacladus longiflorus var. breviflorus L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UC76658  Nemacladus longiflorus var. longiflorus unknown May 1902 828 Los Angeles Arcadia Comment
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Jan 7 2015
  RSA579473  Nemophila menziesii var. integrifolia Tim S. Ross, Steve D. Boyd 1994-5-10 7727 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  SBBG15951  Nemophila menziesii var. integrifolia W. G. Webb 1935-3-24 Los Angeles Glendale Comment
  RSA0043176  Nemophila pedunculata A. C. Sanders, Mark A. Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25723 Los Angeles NE end of Santa Susand Mtns.: Newhall Ranch, canyon NE of Grapevine Mesa, SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of oil tanks near BM 1073. Comment
  UCR269968  Nemophila spatulata R. G. Swinney 2010-6-1 13102 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
  UC2042003  Nephrolepis cordifolia R. E. Riefner Jr. 2014-7-27 14 -261 Los Angeles City of Long Beach, N of E 2nd St. and W of Marine Stadium Park, Alamitos Bay, along docks on Bay Shore Ave. between Monroe Ave. and E. Vista St. Comment
  UCR260374  Nerium oleander R. G. Swinney 2010-4-1 12157 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  HSC21275  Nicotiana glauca C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA651990  Nicotiana glauca T. E. Hesketh 1948-2-7 s.n. Los Angeles Griffeth Park, Los Angeles. 305 Comment
  UCR259627  Nicotiana glauca R. G. Swinney 2010-4-15 12219 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  LA51858  Nicotiana glauca A. M. Johnson; 1928-2-16 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  LA94876  Nicotiana glauca K. Larson; J. Neel 1950-4-2 32 Los Angeles SANTA MONICA MOUNTAINS, Mulhollanbd Dr 5 mi west of intersection with Beverly Glen. Comment
  RSA0043347  Nicotiana glauca Ron Martinolich 1991-5-3 60 Los Angeles Glendale, Flint Peak access road, 0.1 mi. east of water tower. Comment
  SBBG122029  Nicotiana quadrivalvis S. D. White with A. Warniment 2005-9-13 11224 Los Angeles slopes and plateaus W of Oso Cyn, ca. 1-2 air mi N of Quail Lake, Tehachapi Mtns 1067 Comment
  RSA273018  Nierembergia hippomanica Sharon Haennelt 1977-1 s.n. Los Angeles Hills around county and state park, Placerita Canyon. 488 Comment
  UCR143178  Notholaena californica subsp. californica L. C. Wheeler 1932-6-26 878 Los Angeles San Gabriel Mtns, San Gabriel Canyon 335 Comment
  RSA617157  Nothoscordum borbonicum Scott D. White 1996-4-13 3929 Los Angeles Geneva Avenue: N of San Jose, S of Arrow Highway, W of Indian Hill, E of Towne. 323 Comment
  SBBG98671  Nuttallanthus texanus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5181 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  UCD124109  Nuttallanthus texanus Daryl Koutnik 1978-4-14 363 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  CAS-BOT-BC167063  Oenothera californica J. H. Thomas 1949-4-24 476 Los Angeles Five miles south of Lancaster, western Mojave Desert Comment
  POM213104  Oenothera deltoides subsp. deltoides P. A. Munz 1935-4-3 13646 Los Angeles Mojave Desert; 25 miles NW of Adelanto. Comment
  CATA3077  Oligomeris linifolia Amy Catalano, Steven Junak 2016-4-27 088 Los Angeles Santa Catalina Island: Along main ridge running to West Point, south facing slope 140 Comment
  SD92019  Opuntia X occidentalis Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22690 Los Angeles San Clemente Island: common on slopes, near mouth of Red Rock Canyon. (IPB 9/07) 24 Comment
  RSA0116487  Opuntia basilaris R. G. Swinney 2010-6-1 13087 D Los Angeles San Gabriel Mountains; Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA0080358  Opuntia basilaris var. brachyclada R. G. Swinney 2011-6-29 15339 Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon and confluence with Mill Creek. 1098 Comment
  RSA572096  Opuntia littoralis F. H. Elmore 1939-11-23 382 Los Angeles Northwest harbor of San Clemente Island Comment
  CAS-BOT-BC56861  Opuntia oricola LeRoy Abrams 1902-6-9 2515 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  SD31221  Opuntia oricola Edith A. Purer 1931-8-15 2183 Los Angeles Palos Verdes, south exposed hills. Comment
  RSA631389  Opuntia vaseyi Valerie L. Soza, LeRoy Gross 1999-5-10 461 Los Angeles Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 377 Comment
  LA34421  Oreonana vestita W. R. Ernst; summer 1947 Los Angeles SAN GABRIEL MOUNTAINS, Mt. Hawkins, on the summits of, top of San Gabriel Canyon. 2438 Comment
  CAS-BOT-BC502619  Orobanche bulbosa Tim Ross; Steve Boyd 1993-5-23 7284 Los Angeles Liebre Mountains, NW Los Angeles Co: Upper Clearwater Canyon, margin of USFS rd (6N24) ca 790 m ENE of Ruby Canyon/Clearwater Canyon saddle 873 Comment
  CAS-BOT-BC502622  Orobanche bulbosa Ernest C. Twisselmann 1959-6-2 5354 Los Angeles Liebre Mountain Road, 0.3 i E of the old Ridge Route 1249 Comment
  RSA603788  Orobanche fasciculata Louis C. Wheeler 1948-6-13 6639 Los Angeles San Gabriel Mountains: North side Big Tujunga, opposite Coldwater Canyon. 1006 Comment
  CAS-BOT-BC243694  Orobanche valida W. P. Arkstrong 1979-8-15 s.n. Los Angeles SE firebreak ridge of Lookout Mtn., W side of ridge 1798 Comment
  RSA278881  Orobanche valida subsp. valida W. P. Armstrong 1979-7-12 s.n. Los Angeles Trail up S Fork of Big Rock Creek, approximately 2.4 km southwest of South Fork Campground. 1707 Comment
  UC166735  Osmadenia tenella unknown 1904-5-24 125 Los Angeles Pasadena Comment
  CAS-BOT-BC355765  Osmadenia tenella G. B. Grant 1902-6-1 s.n. Los Angeles Los Ang. [Angeles] Comment
  UC1424823  Osmorhiza brachypoda C. W. Tilforth 1976-3-30 1207 Los Angeles n Claremont; San Gabriel Mountains, Evey Canyon Comment
  RSA669694  Osmorhiza brachypoda LeRoy Gross 2002-4-28 536 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 549 Comment
  RSA97392  Osmorhiza brachypoda F. W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco Canyon, near Pasadena. 610 Comment
  CATA3382  Osteospermum fruticosum Peter J. Dixon 2016-6-15 059 Los Angeles Santa Catalina Island: Residence at junction of Airport Rd. and Renton Pass Rd (KBRT) 426 Comment
  POM353416  Oxalis albicans subsp. californica Richard C. Barkelew 1929-2-23 s.n. Los Angeles Cahuenga Pass. Comment
  CLARK-A1528-3925  Oxalis albicans subsp. pilosa John C. Roos 1937-9-2 520 Los Angeles Redondo Beach Comment
  RSA598807  Oxalis albicans subsp. pilosa R. G. Swinney 1989-11-24 1483 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon area. Mouth of Waterpipe Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road. 427 Comment
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Jul 23 2010
  UCR271719  Oxalis pes-caprae R. G. Swinney 2011-3-26 14229 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  HSC79848  Oxalis pes-caprae Bill Fugimoto 1971-5-2 23 Los Angeles About 4 mi. W of Malibu, 1 mi. N of Pacific Coast Hwy. in Los Flores Canyon in Santa Monica Mtns. 305 Comment
  UC205920  Oxytheca caryophylloides I. M. Johnston 1917-6-20 1259 Los Angeles Baldy U.S.F.S. Lookout San Antonio Mountains 2057 Comment
  RSA392905  Oxytheca parishii F. R. Fosberg, Joseph A. Ewan 1931-8-11 4949 Los Angeles Mt. Islip near Islip-Hawkins Divide 2287 Comment
  RSA628554  Oxytheca parishii var. parishii Louis C. Wheeler 1967-8-24 10509 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2043 Comment
  LA200956  Panicum miliaceum Peter H. Raven; 1960-4-24 15125 Los Angeles 609 Comment
  RSA448004  Parietaria hespera var. hespera F. R. Fosberg 1931-4-12 S- 4570 Los Angeles Cliffs near Jewfish Point, Santa Catalina Island. 10 Comment
  RSA595017  Parietaria hespera var. hespera Mark Hoefs, Robert F. Thorne 1996-4-6 2599 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  SBBG131581  Parietaria hespera var. hespera S. A. Junak 2000-4-15 SCa 1210 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  UCD111502  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 Los Angeles San Gabriel Valley. On boundary between Irwindale and Azusa, E of Irwindale Ave., S of 210 Fwy (which bisects pit) and N of Santa Fe R.R., E of the San Gabriel River channel. 170 Comment
  RSA720239  Parkinsonia aculeata LeRoy Gross 2007-4-27 2660 Los Angeles Southern front of the range; Debris basin behind Bel Aire ball park. Corner of Cambridge Drive and Bel Aire Drive in Burbank. Near. 273 Comment
  CATA1509  Paspalum dilatatum Mark L. Hoefs, Steven A. Junak 1996-7-9 2722 Los Angeles Santa Catalina Island: By bunkhouse at Middle Ranch, Middle Canyon 207 Comment
  RSA482384  Paspalum dilatatum Richard Noyes 1988-8-24 636 Los Angeles Claremont. Intersection of Mills Ave. and Baseline Ave. Comment
  RSA733306  Paspalum vaginatum R. E. Riefner 2006-7-29 6 -327 Los Angeles City of Carson, near Victoria Park, Dominguez Channel, at Del Amo Blvd. near Carson St. 7 Comment
  UCR204901  Paspalum vaginatum R. E. Riefner Jr. 2005-11-4 05- 744 Los Angeles South Coast, city of Malibu, Zuma Lagoon, Westward Beach Road 3 Comment
  UCR93943  Passiflora caerulea B. G. Pitzer, Paul Gomez 1996-4-28 2746 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  OBI34032  Passiflora caerulea Mark Schneider 1973-5-16 29 Los Angeles Pierce College horticulture area, cultivated Comment
  POM368751  Pectocarya linearis subsp. ferocula F. R. Fosberg 1932-5-7 10644 Los Angeles Summit of Coach Road, Santa Catalina Island. 250 Comment
  UC1870256  Pectocarya linearis subsp. ferocula LeRoy Gross 2003-3-7 756 Los Angeles Transverse Ranges; Verdugo Mountains region; Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  UC206176  Pectocarya linearis subsp. ferocula unknown 1904-4-1 4135 Los Angeles Claremont Comment
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Jun 3 2012
  UCR47490  Pectocarya linearis var. ferocula F. R. Fosberg 1932-5-7 10644 Los Angeles Channel Islands, Santa Catalina Island, summit of Coach Road Comment
  RSA0036271  Pectocarya penicillata Philip A. Munz 1949-4-26 13084 Los Angeles near Phelan, Mojave Desert 944 Comment
  JEPS108271  Pectocarya platycarpa David Gowen 2005-5-11 305 Los Angeles HWY 138 (West Ave. D) west of Lancaster. Sandy soil at the SW corner of the intersection with 210 St. West. Comment
  RSA614824  Pectocarya setosa L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR189259  Pectocarya setosa R. G. Swinney 1998-5-16 6074 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  LA51895  Pedicularis densiflora C. L. Hogue; 1954-3-6 sn Los Angeles Comment
  RSA128261  Pedicularis densiflora H. J. Thompson 1959-3-31 1010 Los Angeles 0.7 mi from Triunfo Canyon, 2 mi. west of Cornell, Lobo Canyon. 244 Comment
  UC812328  Pellaea andromedifolia Ira W. Clokey, B. Templeton 1929-5-1 4536 Los Angeles Mandeville Canyon; Santa Monica Mts 450 Comment
  RSA52504  Pellaea andromedifolia I. L. Wiggins 1949-2-22 11963 Los Angeles hillside near north-east end of San Clemente Island 30 Comment
  SEINET4556461 Image available Pellaea andromedifolia George B. Grant May 1902 918 Los Angeles South West California Comment
  RSA657442  Pellaea mucronata subsp. mucronata Joseph M. Keefe 2001-1-19 30983 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, California 91040. 385 Comment
  POM364499  Pennisetum setaceum H. L. Bauer 1932-10-1 16814 Los Angeles Along road to Saddle Peak Comment
  UCR203105  Penstemon caesius R. G. Swinney 2001-8-27 8104 Los Angeles San Gabriel Mountains, Mt. Burnham, west of Mt. Baden-Powell 2743 Comment
  RSA0097147  Penstemon centranthifolius R. G. Swinney 2011-5-31 14911 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
  CDA41871  Penstemon grinnellii subsp. grinnellii G. D. Barbe, T. C. Fuller 1973-5-21 1402 Los Angeles 4 miles (6.4 km) east of Highway138 on Highway 18; 0.5 mile (0.8 km) west of San Bernardino County line. 0 Comment
  POM156330  Penstemon labrosus L. R. Abrams 1902-6-30 2606 Los Angeles San Gabriel Mountains: Mt. Wilson. Comment
  SBBG118437  Penstemon labrosus O. Mistretta 1993-6-28 906 Los Angeles Table Mtn, Sunrise Ski Area Comment
  UC27445  Penstemon speciosus H. M. Hall Jun 1899 1259 Los Angeles <Swartout Canyon> Schwartout Canyon San Antonio Mountains 1828 Comment
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Mar 21 2014
  UC27506  Penstemon spectabilis var. spectabilis Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  SEINET13276836 Image available Pentagramma triangularis R. G. Swinney 2011-1 14189 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  RSA0062912  Pentagramma triangularis T. S. Ross, Steve Boyd 1991-4-25 4581 Los Angeles San Gabriel Mountains: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E fork of the San Gabriel River). 792 Comment
  CAS-BOT-BC71668  Pentagramma triangularis subsp. triangularis Le Roy Abrams 1999-3-11 s.n. Los Angeles Millards Canyon Comment
  LA33801  Pentagramma triangularis subsp. triangularis Henry J. Thompson; 1959-3-31 1915 Los Angeles SANTA MONICA MOUNTAINS, 1.2 mi SW of Seminole Hot Springs, about 2 mi SW of Cornell. 396 Comment
  LA3431  Pentagramma triangularis subsp. triangularis A. M. Johnson; 1928-2-16 51 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  LA94190  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1723 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, Tuna Canyon Road, ca 3 mi above Hwy 1, ravine just W of road. 289 Comment
  SBBG38807  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1939-4-4 7244 Los Angeles Chenetti Cyn Comment
  OBI70933  Peritoma arborea Steve Boyd, Lauren Raz 1997-3-25 9311 Los Angeles Liebre Mts region: Upper end of broad alluvial valley at head of Cienaga cyn, southern base of Liebre mtn, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  CAS-BOT-BC73732  Peritoma arborea var. globosa LeRoy Abrams 1902-6-10 2509 Los Angeles Playa del Rey Comment
  SFV2975  Phacelia M. L. Vincent 1962-5-19 245 Los Angeles Mojave Desert One mile from the Pearblossom turnoff to Valyermo. 975 Comment
  POM127608  Phacelia bicolor Katherine Brandegee s.n. Los Angeles Lancaster. Comment
  UCR266382  Phacelia cicutaria D. E. Bramlet, Allison D. Rudalevige 2009-4-29 4374 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, west of Big Tujunga Canyon Rd., SW of County Probation Camp 15 450 Comment
  VVC265  Phacelia cicutaria P. J. MacKay 1975-5-10 s.n. Los Angeles San Gabriel Mtns., Hwy N4, ca 1 mile north of Mile High, 2040 Comment
  SBBG31473  Phacelia cicutaria var. hispida R. F. Thorne 1966-4-5 Los Angeles Cottonwood Crk, Cottonwood Cyn 106 Comment
  UCR274134  Phacelia cicutaria var. hispida Steven A. Junak 1999-7-17 SCa- 1074 Los Angeles Channel Islands, Santa Catalina Island, Cape Canyon 238 Comment
  UCSB11633  Phacelia cicutaria var. hispida Wisehart, Karen 1962-4-19 Los Angeles South end of Louise Street, Encino 213 Comment
  RSA483581  Phacelia ciliata D. Charlton 1988-4-3 1717 Los Angeles West of Lancaster on Hwy 138. Quail Lake area between Gorman and Holiday Valley. 1067 Comment
  UCSC001209  Phacelia curvipes Peter Kamb 1948-5-6 949 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock, sandy and gravelly flats San Gabriel Mts. (Lower Sonoran Zone) Comment
  UC1745624  Phacelia davidsonii Annetta M. Carter 1951-5-21 3058 Los Angeles Horse Flats, San Gabriel Mtns. Comment
  RSA785821  Phacelia distans K. Dobry 1991-4-4 405 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  SD197802  Phacelia distans R. G. Swinney 2008-5-2 8742 Los Angeles San Gabriel Mountains: Big Rock Creek at Paradise Springs, on campground property. 1470 Comment
  UC1595472  Phacelia distans Tim Ross 1992-4-4 6096 Los Angeles Adobe Mountain SW Mojave Desert, Adobe Mtn USGS 7.5' topo 926 Comment
  UCR146464  Phacelia distans Orlando Mistretta 1992-6-12 556 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  UCR259060  Phacelia distans R. G. Swinney 2010-5-12 12764 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA580947  Phacelia distans Catherine A. Mish 1995-2-25 8 Los Angeles Santa Monica Mtns, Malibu State Park 300 Comment
  UC284749  Phacelia distans P. A. Munz 1923-4-10 6738 Los Angeles bottom of canyon s Lemon Tank (w coast of island); San Clemente Island Comment
  RSA595455  Phacelia douglasii Tim S. Ross, Victor W. Steinmann 1995-5-8 8564 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCR147722  Phacelia egena Steve Boyd, Amber Maurice 2004-5-18 11326 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA756900  Phacelia fremontii R. G. Swinney 2008-6-17 9028 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  UCR121213  Phacelia fremontii June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  RSA0055049  Phacelia fremontii James R. Shevock 1972-4-25 1590 Los Angeles Sierra Hwy., 5 mi. W. of Palmdale. 967 Comment
  RSA588072  Phacelia fremontii Orlando Mistretta 1994-4-15 1059 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  RSA678204  Phacelia grandiflora Valerie L. Soza, LeRoy Gross 2001-5-14 1212 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UCD120447  Phacelia grandiflora Gene Bishop 1994-5-19 T- 5 Los Angeles Topanga Canyon, halfway between coast and Calabasas. Comment
  NY57340  Phacelia heterosperma S. B. Parish 06 1887 1980 Los Angeles Rock Creek Comment
  SBBG65324  Phacelia imbricata R. Hoffmann 1925-5-16 Los Angeles E Bouquet Cyn Comment
  UCR191260  Phacelia imbricata R. G. Swinney 1998-7-2 6216 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA230718  Phacelia imbricata subsp. patula Robert F. Thorne 1969-7-9 38506 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  UC1400323  Phacelia imbricata subsp. patula Robert F. Thorne, C. W. Tilforth, J. Dourly, and R. Scogin 1972-8-11 42225 Los Angeles n slope of mt. near Buckhorn Station; San Gabriel Mts., Angeles National Forest, Mt. Waterman 2133 Comment
  RSA587149  Phacelia longipes Orlando Mistretta 1995-4-28 1657 Los Angeles San Gabriel Moutains: Santiago Canyon. Slopes W of main canyon. 1372 Comment
  UC702361  Phacelia longipes John Thomas Howell 1928-6-10 3889 Los Angeles Fish Canyon San Gabriel Mts. Comment
  UCSC001305  Phacelia longipes Peter Kamb 1947-6-9 589 Los Angeles San Gabriel, Little Rock creek 1890 Comment
  SBBG93598  Phacelia lyonii M. B. Dunkle 1928-5-12 1929 Los Angeles Empire Landing, along old rd Comment
  RSA0031809  Phacelia minor Geraldine Dodd 1992-5-9 009 Los Angeles San Gabriel Mts. 3 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena.Sam Merrill hiking trail. 1066 Comment
  RSA0091495  Phacelia minor R. G. Swinney 2010-3-13 11891 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA674273  Phacelia minor LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 707 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 622 Comment
  SFV21670  Phacelia mohavensis H. Wisch 2008-6-16 s. n. Los Angeles San Gabriel Mountains Near upper reaches of small tributary of South Fork Little Rock Creek, just off of Highway 2 about 1 mile east of Three Points. 1895 Comment
  UC535043  Phacelia mohavensis Victor Duran 1933-7-11 3512 Los Angeles Sulphur Springs San Gabriel Mts. Comment
  RSA602244  Phacelia viscida R. S. Woglum 1934-4-8 1281 Los Angeles Western Transverse Ranges: San Fernando Valley, North Hollywood. Comment
  RSA678320  Phacelia viscida Valerie L. Soza, Steve D. Boyd 2002-4-10 1388 Los Angeles Ridge above east fork of Haskell Canyon, ridge just west of Del Sur Ridge. Approx. 2 miles NW along Coarse Gold Canyon fire road from Bouquet Canyon. Stables Fire 2001 area. 655 Comment
  UCR127033  Phacelia viscida Mark A. Elvin 2003-4-9 2472 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  RSA251545  Phalaris caroliniana R. F. Thorne 1973-4-12 42956 Los Angeles San Clemente Island, south of Pyramid Cove near Silver Mine, bottom of old bomb crater. 30 Comment
  SD264714  Phalaris paradoxa Steven A. Junak, Mark Hoefs 1998-6-12 Sca 733 Los Angeles Santa Catalina Island: Along Banning House Road, ca. 1.0 mile from Two Harbors. 228 Comment
  RSA435572  Pholisma arenarium F. R. Fosberg 1931-10-4 s 5838 Los Angeles El Segundo. Comment
  RSA435574  Pholisma arenarium Frances L. Cramer 1934-5-18 18840 Los Angeles El Segundo. Comment
  RSA435593  Pholisma arenarium Bonnie C. Templeton 1938-8-31 6514 Los Angeles Dune Ravine, El Segundo 10 Comment
  UC440367  Pholistoma auritum Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Las Flores Canyon Santa Monica Mts., Las Flores Canyon Comment
  CAS-BOT-BC222562  Pholistoma auritum var. auritum Louis C. Wheeler 1967-5-15 9593 Los Angeles San Gabriel Mountains: Elsmere Canyon, near mouth 441 Comment
  RSA640457  Pholistoma auritum var. auritum Louis C. Wheeler 1967-5-15 9593 Los Angeles San Gabriel Mountains. Elsmere Canyon, near mouth. 442 Comment
  UC1245414  Pholistoma membranaceum Joseph T. Gregory 1932-3-31 70 Los Angeles edge of Mojave Desert Little Rock Creek; Mojave Desert, Little Rock Creek 914 Comment
  SBBG37808  Pholistoma racemosum M. B. Dunkle 1939-4-3 7219 Los Angeles San Clemente Island Comment
  SD28071  Pholistoma racemosum Carl B. Wolf 1932-5-9 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due west of Pebbly Beach. 305 Comment
  UCR98826  Phoradendron libocedri T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3370 Los Angeles San Gabriel Mtns., Big Rock Creek Canyon: c. 130m N to 250 m NNW of Icy Springs 1733 Comment
  POM123322  Phoradendron macrophyllum Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  RSA133180  Phoradendron macrophyllum Del Wiens 1958-12-10 2427 Los Angeles Cobal Canyon north of Claremont. 427 Comment
  RSA585825  Phoradendron macrophyllum Tim S. Ross 1990-5-15 2514 Los Angeles Soledad Campground, Tujunga Ranger District, Angeles National Forest, ca 1.5 linear miles E of Agua Dulce Canyon. 622 Comment
  UCR85819  Phoradendron pauciflorum T. S. Ross, Steve Boyd 1991-7-24 5630 Los Angeles San Gabriel Mtns, Ridge NNE of Granite Mountain 1942 Comment
  CAS-BOT-BC141300  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd 1990-5-23 2625 Los Angeles Mt Gleason Area: NNW ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon. San Gabriel Mountains 1719 Comment
  RSA719819  Phoradendron serotinum subsp. tomentosum R. G. Swinney 1997-7-14 5678 Los Angeles West of Wrightwood, Table Mtn. area, approx. 100 m NW of amphitheater and Table Mtn. Campground. 2207 Comment
  UCR95509  Phoradendron villosum L. C. Wheeler 1966-10-12 8976 Los Angeles San Gabriel Mtns., San Gabriel Canyon, E fork, 0.25 mi upstream from Heaton Flat 610 Comment
  RSA683953  Phyllospadix scouleri E. Yale Dawson 1957-11-7 17728 Los Angeles Dead Man s Cove. Portuguese Point. Comment
  UC1821267 Image available Phyllospadix scouleri E. Yale Dawson 1956-11-16 15279 Los Angeles Cobblestone rocky shore near Topanga Canyon Blvd, Station No. 2 Comment
  RSA684069  Phyllospadix torreyi E. Yale Dawson 1957-10-8 17770 Los Angeles Lunada Bay. Station no 25. 200 ft from shore base point Comment
  POM980  Pinus attenuata I. M. Johnston 1916-11-21 s.n. Los Angeles San Antonio Canyon Comment
  SD108755  Pinus contorta subsp. murrayana Barry Prigge 1970-12-12 109 Los Angeles San Gabriel Mountains, 18 air miles north of San Dimas, 1 mile south of Dawson Saddle on State Highway #2 2745 Comment
  UCSB11338  Pinus contorta subsp. murrayana Haller, John 1961-8-29 Los Angeles At Lodgepole Picnic Area, Angeles Crest Highway, 9.3 mi. by road west of Big Pines Ranger Station, 1.5 miles east of Dawson Saddle; San Gabriel Mts. 2316 Comment
  SFV16296  Pinus coulteri J. D. Dilley 1996-7-18 84 Los Angeles San Gabriel Mountains Angeles National Forest, Mill Creek Summit on Angeles Forest Highway. Growing in gravely soil on a ridge top. 1494 Comment
  RSA788823  Pinus flexilis Jane Tirrell 2012-7-10 LS 0099 Los Angeles At a saddle along Pacific Crest Trail approx. 0.75 mi west of Mt, Hawkins 2542 Comment
  UCR256141  Pinus jeffreyi R. G. Swinney 2010-9-7 13717 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  CATA1151  Piperia cooperi Mark L. Hoefs 1995-5-23 2142 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  CAS-BOT-BC136553  Piperia cooperi Grant 1901-4-14 3804 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA611524  Piptatherum miliaceum L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Mouth of Roberts Canyon, San Gabriel Canyon, on west side of Roberts Canyon. 251 Comment
  UCR229132  Piptatherum miliaceum Dan S. Cooper 2011-1-8 s.n. Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC71779  Pityrogramma triangularis var. viscosa Geo. L. Moxley 1919-5-6 688 Los Angeles Catalina Island Comment
  POM368909  Plagiobothrys M. B. Dunkle 1928-2-12 1701 Los Angeles Middle Ranch Canyon 335 Comment
  RSA599776  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-3-25 9270 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
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Dec 20 2007
  UCR147852  Plagiobothrys arizonicus LeRoy Gross, Paul Morton 2004-6-9 1347 Los Angeles Transverse Ranges; Liebre Mountains region, West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road. Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  UCR176954  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9340 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 396 Comment
  UCR220049  Plagiobothrys arizonicus R. G. Swinney 2009-4-24 10450 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UC61156  Plagiobothrys arizonicus J. Burtt Davy May 9 1896-May 24 1896 2301 Los Angeles Llano Verde Antelope Valley Comment
  RSA591994  Plagiobothrys canescens var. catalinensis Mark Hoefs 1974-3-28 422 Los Angeles Santa Catalina Island; upper Bulrush Canyon. 220 Comment
  POM368938  Plagiobothrys collinus var. gracilis M. B. Dunkle 1932-2-27 2870 Los Angeles Palisades Ridge, Santa Catalina Island Comment
  IRVC26316  Plagiobothrys nothofulvus A. C. Sanders, Andy Thompson 2003-4-15 25983 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  UC766213  Plagiobothrys nothofulvus R. F. Hoover 1938-4-16 3116 Los Angeles near Bailey's (upper Antelope Valley); Antelope Valley Comment
  RSA603534  Plantago coronopus Sara L. Crockett 1997-4-2 650 Los Angeles Point above Empire Landing Quarry site, ca 0.25 mile N of Empire Landing Road, from point 2.4 miles from jct with Airport Road. Comment
  POM243749  Plantago erecta F. R. Fosberg 1931-4-15 S- 4629 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  SD251773  Plantago ovata M. B. Dunkle 1939-4-5 7269 Los Angeles San Clemente Island: China Point. Comment
  RSA209615  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7270 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA70081  Platanthera sparsiflora Frank W. Peirson 1919-6-15 505 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  CAS-BOT-BC93179  Platanus racemosa Le Roy Abrams 1899-3-1 s.n. Los Angeles Between Los Angeles and Pasadena. Comment
  RSA0102693  Platanus racemosa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2087 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon. 1000 Comment
  UC72614  Platanus racemosa E. D. Palmer 1901-1 Los Angeles Claremont Comment
  UCR249910  Platanus racemosa Mark A. Elvin, Tarja Sagar 2013-5-31 7153 Los Angeles Western Transverse Ranges: Santa Monica Mountains, along Malibu Canyon Road south of tunnel, in main drainage and tributaries 168 Comment
  UC56742  Platystemon californicus Arthur M. Cleghorn 1902-6-11 20 Los Angeles Claremont Comment
  POM11215  Platystemon californicus George B. Grant 1904-5-14 s.n. Los Angeles Playa del Rey. Comment
  RSA18339  Platystemon californicus Carl B. Wolf 1926-5-1 493 Los Angeles 3 miles W of San Fernando Comment
  SBBG123196  Plecostachys serpyllifolia R. Riefner 2009-6-9 09 -113 Los Angeles ca. 0.2 mi W of La Piedra State Beach; Malibu 6 Comment
  RSA472107  Pluchea odorata L. C. Wheeler 1932-8-28 1305 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  SBBG116988  Poa annua S. A. Junak 2001-5-4 SCa 1482 Los Angeles rd between Cherry Cove and 4th of July Cove, ca. 0.1 mi W of ridge between the two coves Comment
  RSA592490  Poa secunda Michael C. Long 1974-4-21 s.n. Los Angeles San Gabriel Mountains: Holocomb canyon 1220 Comment
  RSA639182  Poa secunda L. C. Wheeler 1967-5-15 9591 Los Angeles San Gabriel Mountains: Elsmere Canyon, near mouth. 441 Comment
  RSA771631  Poa secunda R. G. Swinney 2009-5-20 10800 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  CAS-BOT-BC236206  Poa secunda subsp. secunda L. R. A. 1901-4-1 1416 Los Angeles Verdugo Hills Comment
  RSA115020  Poa secunda var. secunda George B. Grant 1923-04 1015 Los Angeles Old Wilson Trail. Comment
  CATA1283  Polycarpon tetraphyllum Mark L. Hoefs, Steven A. Junak 1995-7-12 2370 Los Angeles Santa Catalina Island: Outside of Wrigley Garden Herbarium, upper Avalon Canyon 106 Comment
  RSA460141  Polygala cornuta var. fishiae Theodore Payne 1917-08 3263 Los Angeles Craggs Club [possibly The Crags Country Club] Santa Monica Range Comment
  CAS-BOT-BC419773  Polygonum argyrocoleon Carl B. Wolf No date on label 4216 Los Angeles Santa Catalina Island. Around the Rock Crusher, at mouth of Pebbly Beach Canyon. 22 Comment
  UCR223798  Polygonum aviculare R. G. Swinney 2009-8-25 11473 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA466386  Polygonum aviculare subsp. aviculare F. R. Fosberg 1931-4-8 S- 4510 Los Angeles Santa Catalina Island; Avalon Valley 30 Comment
  RSA607505  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1973-6-14 s.n. Los Angeles California State University, Long Beach. Comment
  RSA609071  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1931-3-7 s.n. Los Angeles 2 miles NE. La Verne. 381 Comment
  UCR210493  Polygonum hydropiperoides R. G. Swinney 2008-11-30 9862 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  CHSC8330  Polypodium californicum Edward L. Smith 1957-5-30 12 Los Angeles Located at Little Dalton Canyon, San Gabriel Mts. 365 Comment
  POM310153  Polypodium californicum Hulda Crooks 1946-3-11 232 Los Angeles Big Dalton Canyon. 366 Comment
  RSA592376  Polypodium californicum Mark Hoefs, Doug Propst 1973-3-14 83 Los Angeles Santa Catalina Island: Cape Canyon. 244 Comment
  RSA689869  Polypodium californicum Albert J. Perkins 1895-4-18 s.n. Los Angeles Mt. Lowe Comment
  CAS-BOT-BC71891  Polypodium californicum Geo. B. Grant 1902-6-12 s.n. Los Angeles Mt. Wilson Comment
  UCSB62447  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone, San Dimas Comment
  UCSB62498  Polypodium californicum Kiefer, Lawrence 1966-6-12 Los Angeles San Gabriel Mtns., Horse Canyon tributary of the E fork of the San Gabriel River, ca. 0.25mi from mouth 609 Comment
  RSA733135  Polypogon australis R. G. Swinney 1998-8-1 6608 Los Angeles Mine Gulch at East Fork of San Gabriel River Canyon. Open canyon bottom, lower Mine Gulch with no riparian development except right at aconfluence; sandy-silty soil with rocks. 1341 Comment
  RSA750230  Polypogon interruptus A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37068 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  SBBG59504  Polypogon monspeliensis M. N. Ackley -Jun-1927 12 Los Angeles Sycamore Park 228 Comment
  SBBG59510  Polypogon monspeliensis R. Hoffmann 1926-4-19 Los Angeles Antelope Valley Comment
  RSA155328  Polypogon viridis P. H. Raven 1962-5-22 17844 Los Angeles Santa Catalina Island: Middle Ranch 213 Comment
  RSA385484  Polypogon viridis Anstruther Davidson 1889-1 s.n. Los Angeles Los Angeles. Comment
  SEINET3282760 Image available Polypogon viridis R. G. Swinney 2008-5-30 8913 Los Angeles San Gabriel Mtns.; San Gabriel Canyon, 0.4 mi. above (east) of El Encanto post office, on shoulder of the old road. 268 Comment
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Apr 11 2014
  CAS-BOT-BC72277  Polystichum imbricans subsp. curtum A. R. Kruckeberg 1939-9-17 s.n. Los Angeles East Fork, Santa Anita Creek, San Gabriel Mts. Comment
  RSA230190  Polystichum imbricans subsp. imbricans R. F. Thorne 1969-7-2 38253 Los Angeles San Gabriel Mtns., Angeles National Forest: Crevices under outcropping boulders along small intermittent stream (left fork of Alder Creek) in sandy bottom of arroyo, Charlton Flat burn (of 1954) 1584 Comment
  RSA733227  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-8-17 6769 Los Angeles Upper Coldwater Canyon at NE end of Heaton Flat Trail 1244 Comment
  SD43035  Polystichum imbricans subsp. imbricans H. De Forest 1931-5-1 Los Angeles Near Crystal Lake Comment
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Oct 9 2010
  RSA693294  Polystichum imbricans subsp. imbricans Robin S. Collins 1973-5-28 302 Los Angeles Angeles National Forest: Trail Canyon, ca. 3 miles into canyon from beginning of pack trail. 976 Comment
  CAS-BOT-BC102548  Populus fremontii Peter H. Raven 1958-3-23 11965 Los Angeles along Big Rock Creek near road 4.3 miles south of Pearblossom, San Gabriel Mountains Comment
  RSA0091097  Portulaca oleracea R. G. Swinney 2011-7-7 15464 Los Angeles Camp Colby (Colby Ranch), central camp area 1098 Comment
  RSA0115816  Potamogeton Steven A. Junak 1999-9-10 SCa- 1092 Los Angeles Santa Catalina Island. NW end of lower reservoir, Bulrush Canyon. 305 Comment
  POM219132  Potamogeton foliosus L. C. Wheeler 1932-8-28 1303 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  CAS-BOT-BC453704  Potamogeton illinoensis F. Grinnell Jr. 1917-9-1 s.n. Los Angeles Crystal Lake near Mt Islip, San Gabriel Mountains Comment
  UCR202749  Potentilla glandulosa R. G. Swinney 2001-8-27 8087 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCD122093  Proboscidea lutea C. W. Tilforth 1969-10-25 237 Los Angeles Rancho Santa Ana Bot. Gard., Claremont. Comment
  CAS-BOT-BC157934  Prunus emarginata I. M. Johnston 1917-8-21 1666 Los Angeles Upper San Antonio [Canon] Canyon 2377 Comment
  SD114334  Prunus fasciculata Darley F. Howe 1947-5-6 1561 Los Angeles North face of San Gabriel Mountains. 1676 Comment
  RSA123185  Prunus fasciculata var. fasciculata H. S. Yates 1936-4-6 5404 Los Angeles Near Valgerma [Valyermo?]. 1372 Comment
  CAS-BOT-BC154944  Prunus ilicifolia John H. Thomas 1957-5-3 6727 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  UC861058  Prunus ilicifolia Ira W. Clokey, B. Templeton May 1929 4482 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 250 Comment
  CDA970  Prunus ilicifolia subsp. ilicifolia D. G. Kelch 1991-3-24 1337 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  UC1922295  Prunus ilicifolia subsp. ilicifolia Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 823 Los Angeles Verdugo Mountains; south side, Stough Canyon. Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  RSA232621  Prunus lyonii Larry E. DeBuhr, Gary D. Wallace 1972-9-2 697 Los Angeles San Clemente Island: near top of the canyon from Lemon Tank on east side of Island. 366 Comment
  UCR149861  Prunus lyonii Scott D. White 2004-4-23 10234 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  CATA607  Pseudognaphalium biolettii Mark L. Hoefs 1991-4-8 1054 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  RSA746626  Pseudognaphalium biolettii R. G. Swinney 2008-4-10 8639 Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  CAS-BOT-BC356558  Pseudognaphalium biolettii Peter H. Raven 1959-3-15 13856 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Shore just east of Zuma Beach, Point Dume 9 Comment
  POM358725  Pseudognaphalium biolettii Louis Greata 1900-9-23 s.n. Los Angeles Eagle Rock. Comment
  RSA219965  Pseudognaphalium biolettii F. R. Fosberg 1932-5-5 8112 Los Angeles Hills N Avalon, Santa Catalina Island 40 Comment
  CAS-BOT-BC356723  Pseudognaphalium californicum Geo. B. Grant 1901-5-14 s.n. Los Angeles Pasadena Comment
  LA200207  Pseudognaphalium californicum A. M. Johnson; 1928-2-16 118 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA0088251  Pseudognaphalium californicum R. G. Swinney 2010-5-25 12963 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
  CAS-BOT-BC357625  Pseudognaphalium stramineum Geo. B. Grant 1902-5-10 s.n. Los Angeles Arcadia Comment
  CAS-BOT-BC80057  Pseudotsuga macrocarpa E. W. Lathrop 1976-11-1 7603 Los Angeles North slope of Pleasant Peak, Main Divide Truck Trail Comment
  RSA0035029  Pseudotsuga macrocarpa Jack Pepper 1950-11-4 s.n. Los Angeles Charleton Flats. 1524 Comment
  SEINET10530885  Pseudotsuga macrocarpa Victor Duran 1933-7-27 Duran 3537 Los Angeles Little Rock Creek, San Gabriel Mountains. 1676 Comment
  RSA393782  Psilocarphus tenellus L. C. Wheeler 1934-3-29 2482 Los Angeles Sepulveda Canyon, Santa Monica Mountains. 183 Comment
  CATA866  Pterostegia drymarioides Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1675 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  LA82482  Pterostegia drymarioides O. H. Kappler; 1943-4-18 368 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA598141  Pterostegia drymarioides Victor W. Steinmann, Tim S. Ross 1995-5-8 664 Los Angeles Liebre Mountains, along Bouquet Canyon Road, ca. 1 km (by air) ENE of the Bouquet Guard Station and adjacent to Bouquet Campground #3 725 Comment
  UCR194740  Pterostegia drymarioides Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 745 Los Angeles Transverse Range: Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motortway 427 Comment
  UCR270973  Pterostegia drymarioides R. G. Swinney 2011-4-28 14551 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  POM199535  Pterostegia drymarioides I. W. Clokey, Bonnie C. Templeton 1929-03 4523 Los Angeles Mandeville Canyon. 350 Comment
  SEINET11929216  Pterostegia drymarioides I. W. Clokey, Templeton, B. 1929-1 4523 Los Angeles Mandeville Canyon, Monica Mountains 350 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
  OBI50372  Purshia tridentata var. glandulosa R. A. Oyler 1975-5-2 603 Los Angeles One mi N of Holcomb ridge, 2 mi W of Largo Vista, 1 mi S of fort Tejon rd, Pearblossom 1230 Comment
  RSA451425  Purshia tridentata var. glandulosa M. H. thompson 1959-4-26 s.n. Los Angeles Near Valyermo, Big Rock Creek Comment
  RSA622840  Pycnanthemum californicum Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: West of heliport. 1585 Comment
  CAS-BOT-BC45784  Quercus Marcus E. Jones 1923-10-10 s.n. Los Angeles Cajon Pass Comment
  UC993206  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  CAS-BOT-BC104378  Quercus X macdonaldii James William Toumey 1894-9-14 s.n. Los Angeles Catalina Island Comment
  UCD46921  Quercus X macdonaldii Warren Roberts; Dick Hildreth and Karl Raven 1973-9-19 SCI73 20 Los Angeles Santa Cruz Island. Comment
  UCD170505  Quercus agrifolia var. agrifolia D. O. Burge 2017-4-3 2239 Los Angeles Santa Monica Mountains, Rocky Oaks Dam. 530 Comment
  UCR178211  Quercus berberidifolia LeRoy Gross 2000-11-4 316 Los Angeles Verdugo Mountains, trail at end of Morning Glow, past Sunglow Way, east of La Tuna Canyon Road, Sun Valley 366 Comment
  RSA313420  Quercus chrysolepis T. S. Elias 1984-4-29 8325 Los Angeles Angeles National Forest; Glendora Ridge near Baldy Camp; along forest service road above ridge road Comment
  RSA573414  Quercus chrysolepis Louis C. Wheeler 1931-11-8 339 Los Angeles San Antonio Canyon 945 Comment
  SEINET3127565  Quercus chrysolepis G. B. Grant 1904-6-14 1085 Los Angeles Mt. Wilson 1524 Comment
  UCR223486  Quercus chrysolepis R. G. Swinney 2009-6-8 11064 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
  UCR223611  Quercus chrysolepis R. G. Swinney 2009-7-29 11433 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC86897  Quercus douglasii Timothy S. Ross; Steve Boyd 1994-9-21 8315 Los Angeles Sandberg: 150-170 m SSE of town along the Old Ridge Route. Liebre Mountain. 7.5' USGS Quadrangle 1277 Comment
  SACT002659  Quercus dumosa Louis Wheeler 1932-4-1 Los Angeles Northeast La Verne. Semi-shde on clay mesa. Comment
  UCD45876  Quercus dumosa Karsten Ingebrigtsen; J. M. Tucker 1962-4-17 3 Los Angeles In San Antonio Canyon, 3 miles (by road) northeast of junction of Mt. Baldy Road and Padua Avenue, Los Angeles County, California. Comment
  CHSC111041  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles Transverse Ranges; San Gabriel Mountains region: Middle of Maple Canyon, 490m east of Big Tujunga Rd. and 47m W of Angeles Forest Hwy. 786 Comment
  POM19010  Quercus durata var. gabrielensis E. S. Spalding 1921-2-23 s.n. Los Angeles Near Palmer Canyon, north of Claremont. Comment
  RSA737486  Quercus durata var. gabrielensis D. E. Bramlet 2007-7-12 4107 Los Angeles La Verne. 152m N Baseline, 1.37km west of Live Oak Cyn Road & 1.28km east of Marshall Creek Comment
  LA30676  Quercus engelmannii Mildred E. Mathias; 1956-5-8 sn Los Angeles Comment
  UCSB58221  Quercus engelmannii Muller, Cornelius 1937-8-11 Los Angeles Huntington Gardens, Pasadena Comment
  UCSB34858  Quercus pacifica Muller, Cornelius 1953-5-2 Los Angeles Lower end of Swain Canyon, Santa Catalina Island Comment
  CAS-BOT-BC258365  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 240 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  SD107828  Quercus tomentella Larry DeBuhr, Gary Wallace 1972-9-2 700 Los Angeles San Clemente Island, on rocky canyon walls in the second large canyon south of Lemon Tank 366 Comment
  RSA729924  Quercus wislizeni var. frutescens R. G. Swinney, Dave Larson 1998-4-26 6044 Los Angeles Browns Flat, San Dimas Experimental Forest 1317 Comment
  UCR270994  Quercus wislizeni var. frutescens R. G. Swinney 2011-4-28 14543 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  RSA0001998  Radicula sinuata var. truncata F. W. Peirson 1921-6-19 2450 Los Angeles Crystal Lake, San Gabriel Mts. 1677 Comment
  CAS-BOT-BC362463  Rafinesquia californica A. C. Sanders; Tricia Wotipka; Mark A. Elvin; et al 2003-4-29 26154 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. 488 Comment
  RSA617730  Rafinesquia californica Scott D. White, Sandy Leatherman 1998-5-22 6561 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  SD51911  Rafinesquia californica Peter H. Raven 1962-5-8 17608 Los Angeles San Clemente Island, second canyon south of Seal Cove 29 Comment
  UC54142  Rafinesquia californica H. M. Hall May 1902 3098 Los Angeles San Francisquito 457 Comment
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Jun 16 2009
  RSA533899  Rafinesquia californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5145 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage, 1600 feet SE of the 924' BM at the E end of the old airfield landing strip 250 Comment
  RSA762137  Rafinesquia californica Orlando Mistretta, Christine Mistretta 2008-5-15 3067 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  CATA1118  Raphanus sativus Mark L. Hoefs 1995-5-23 2082 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  RSA654729  Raphanus sativus Scott Lowe 1991-5-7 13 Los Angeles San Gabriel river channel, about 50 m. south of the San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  SEINET11261090  Raphanus sativus Robin Schramm, Richard Schoeninger; Vicki Schramm; Bill Schramm 1998-3-15 22 Los Angeles Whittier Hills, formerly Cheveron Oil property. Overgrown fire road beginning at Bacon Rd and extending behind Mar Vista School and Catalina Ave.; 0 Comment
  UCSB2425  Raphanus sativus Haller, Norman 1953-4-18 Los Angeles Two lots up from Tri-Delt house, Hilgard Ave., University of Calif. at Los Angeles Comment
  RSA0116814  Rhamnus californica R. G. Swinney 2011-6-7 15093 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA757715  Rhamnus californica R. G. Swinney 2008-6-18 9077 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  UC1121750  Rhamnus californica A. D. Gifford 1934-4-26 170 Los Angeles Head of Ramera Canyon Triunfo Pass 609 Comment
  CHSC35812  Rhamnus californica subsp. californica Philip A. Silverstone 1981-5-17 521 Los Angeles Santa Monica Mtns.; Malibu Creek State Park; Mulholland Hwy. 2.4 km E Las Virgenes Rd. 210 Comment
  RSA585761  Rhamnus californica subsp. californica Orlando Mistretta 1995-7-11 1894 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  RSA594650  Rhamnus californica subsp. californica Steve Boyd, Lauren Raz 1996-10-29 9105 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  LA200807  Rhamnus crocea Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA651858  Rhamnus crocea Daniel Curran 1981-2-25 40 Los Angeles San Dimas Canyon Rd. 0.3 miles S of San Dimas Dam. Comment
  UC1595460  Rhamnus crocea Tim Ross 1992-4-27 6251 Los Angeles s side Indian Hill Mesa (sw of RSA grounds); Claremont, Ontario U.S.G.S. 7.5' Quad. 393 Comment
  UC450951  Rhamnus crocea Fay A. MacFadden 1931-3-10 39 E Los Angeles Tuna Canyon Verdugo Hills Comment
  SEINET13710409  Rhamnus crocea J. Adams, J. Adams (Botany) 1965-1 84 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  LA207826  Rhamnus crocea subsp. ilicifolia Carl B. Wolf; 1928-5-11 2178 Los Angeles on Newhall Grade, just above the place where the Los Angeles Aqueduct crosses highway Comment
  CAS-BOT-BC56014  Rhamnus ilicifolia C. F. B. 1903-8-2 3653 Los Angeles San Antonio Canyon near Claremont Comment
  LA52145  Rhamnus ilicifolia A. M. Johnson; 1934-4-20 4431 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA391039  Rhamnus ilicifolia I. M. Johnston 1917-2-10 13809 Los Angeles Hills south of Pomona. Hillside under oak. 366 Comment
  RSA669692  Rhamnus ilicifolia LeRoy Gross 2002-4-28 535 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 549 Comment
  RSA7796  Rhamnus ilicifolia Carl B. Wolf 1927-7-24 670 Los Angeles 1/2 mi east of Montrose 457 Comment
  SD253536  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris bsin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  SEINET3163334  Rhamnus ilicifolia G. B. Grant 1115 Los Angeles Collected at Pasadena Comment
  SBBG78557  Rhamnus pirifolia F. R. Fosberg 1931-3-18 4238 Los Angeles Hamilton Cyn 10 Comment
  CAS-BOT-BC168138  Rhus aromatica W. R. Dudley; F. H. Lamb 1896-6-9 4412 Los Angeles Elizabeth Lake [Canon] Canyon, Liebre Mountains Comment
  CAS-BOT-BC200706  Rhus aromatica Alice Eastwood 1906-6-5 227 Los Angeles Roscoe Comment
  UCD116877  Rhus aromatica Dan Axelrod 1932-3-21 s.n. Los Angeles Vasquez Rocks, Antelope Valley. Comment
  RSA590486  Rhus integrifolia T. S. Ross, Walter Appleby 1993-5-20 7202 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  SD237283  Rhus integrifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37090 Los Angeles San Gabriel Valley: west edge of I-605 and c. 1 mile west of the center of the Santaa Fe Flood Control Basin, N of Arrow Hwy and soouth of Duarte. 139 Comment
  UCR145561  Rhus integrifolia Gordon Marsh 1965-7-31 11 Los Angeles Catalina Island, Fisherman Cove Comment
  UCR38965  Rhus integrifolia David J. Keil 1983-8-23 17868 Los Angeles South Coast, Just west of Leo Carrillo State beach along Hwy 1, c. 1 mi. south of Ventura Co. line 30 Comment
  UCR95481  Rhus integrifolia R. F. Thorne 1967-5-19 36886 Los Angeles Santa Catalina Island; at head of Sweetwater Cyn. 457 Comment
  LA82202  Rhus ovata O. H. Kappler; 1944-2-13 546 Los Angeles SANTA MONICA MOUNTAINS, Lechusa Canyon, along Decker Rd. 152 Comment
  RSA600979  Rhus ovata L. C. Wheeler 1967-6-26 9875 Los Angeles Elsmere Canyon 441 Comment
  SD253353  Rhus ovata R. G. Swinney 2011-10-27 15924 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters E (downstream) of entrance gat to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  UCR256559  Ribes amarum Anuja Parikh, Nathan Gale 2011-7-15 3559 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 3.4 km west of State Hwy 39, San Gabriel Canyon Road 535 Comment
  UCSB2580  Ribes amarum Beach, Kay 1943-3-10 Los Angeles San Dimas Exp. Forest; SW branch canyon of Monroe Comment
  SD253553  Ribes californicum R. G. Swinney 2011-3-26 14211 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  PASA2245  Ribes californicum var. hesperium Annetta Carter 1929-1-6 Los Angeles Sturdevant Trail above Half Way House 457 Comment
  POM293808  Ribes californicum var. hesperium Lyman Benson 1945-1-20 11588 Los Angeles Lower reservoir, San Gabriel River Canyon, San Gabriel Mt 305 Comment
  POM48559  Ribes californicum var. hesperium Alice Eastwood 1904-2-17 s.n. Los Angeles San Antonio Canyon Comment
  RSA652597  Ribes californicum var. hesperium Marion P. Harthill 1972-4-8 s.n. Los Angeles Glendora Cny. Rd. 610 Comment
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Jun 13 2015
  RSA788177  Ribes californicum var. hesperium Doris Bowers 1957-2-3 328 Los Angeles Dalton Canyon above Glendora 610 Comment
  CAS-BOT-BC93109  Ribes californicum var. hesperium Henry J. Thompson 1959-2-20 1842 Los Angeles Santa Monica Mountains. 1 mile east of Malibu Creek, along Piuma Road. 243 Comment
  RSA84848  Ribes cereum var. cereum F. W. Peirson 1922-7-6 4433 Los Angeles Big Pines 2104 Comment
  CAS-BOT-BC173105  Ribes indecorum L. R. Abrams 1916-1-3 5572 Los Angeles Between Duarte and Azusa Comment
  UC921815  Ribes indecorum Prof. Baker Los Angeles Claremont Comment
  UC1871026  Ribes malvaceum T. S. Ross 1993-5-20 7191 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W, T3N, NE/4 SE/4 Sec. 9; ca 3110 ft. elevation 947 Comment
  RSA19891  Ribes malvaceum var. viridifolium I. W. Clokey 1930-4-2 4607 Los Angeles Mulholland Drive. Comment
  UCR190126  Ribes roezlii R. G. Swinney 1998-8-27 6799 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
  CAS-BOT-BC168660  Ribes speciosum Louis C. Wheeler 1932-1-10 436 Los Angeles Puddingstone Dam 304 Comment
  LA50718  Ribes speciosum C. & M. Epling; 1925-5-18 sn Los Angeles 131 Comment
  CAS-BOT-BC173933  Ribes viburnifolium Blanche Trask 1900-4-1 s.n. Los Angeles Santa Catalina Island Comment
  UCR95376  Robinia pseudoacacia Steve Boyd, Lauren Raz 1996-10-8 9003 Los Angeles Liebre Mtns area, Bouquet Canyon, c. 0.9 mi. south of junction with Forest Service Road 6N08 561 Comment
  RSA0057899  Rorippa curvipes var. truncata Richard G. Swinney 2010-9-7 13703 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  IRVC28608  Rorippa nasturtium-aquaticum A. C. Sanders, Mark Elvin 2002-6-20 25225 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  CATA3102  Rosa californica Amy Catalano 2016-5-11 105 Los Angeles Santa Catalina Island: South side of Middle Ranch Road, 200 meters down canyon from Pumphouse 2 291 Comment
  POM2666  Rosa californica I. M. Johnston 1918-8-14 2121 Los Angeles Hills west of Pomona, 305 Comment
  RSA449699  Rosa californica Geo. L. Moxley 1914-5-30 230 Los Angeles San Rafael Hills Comment
  RSA0062837  Rosmarinus officinalis LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6760 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA0020293  Rubus leucodermis Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5112 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  LA52073  Rubus ursinus J. A. Ewan; 1931-3-21 4063 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon 457 Comment
  SEINET3157597  Rubus vitifolius G. B. Grant 1136 Los Angeles Pasadena Comment
  HSC79768  Rumex conglomeratus James Henrickson 1973-6-23 10928 Los Angeles Santa Monica Mtns., Topanga Canyon, 0.75 mi. N of Topanga P.O. along old Topanga Canyon Rd. 244 Comment
  IRVC29000  Rumex conglomeratus A. C. Sanders, Mark Elvin 2002-6-25 25266 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  RSA65920  Rumex conglomeratus F. W. Peirson s.n. Los Angeles Arroyo Seco Canyon, San Gabriel Mts. Comment
  RSA65455  Rumex obtusifolius Joseph A. Ewan 1932-7-4 11153 Los Angeles Millards Canyon, San Gabriel Mts Comment
  SD85198  Rumex salicifolius Martin A. Piehl 1962-10-3 62500 Los Angeles Santa Catalina Island, Echo lake Comment
  UCR256596  Rumex stenophyllus Anuja Parikh, Nathan Gale 2010-5-21 3393 Los Angeles San Gabriel River, just west of Hwy I-605, 0.7 km north of Lower Azusa Road/Los Angeles St 109 Comment
  RSA248885  Ruppia maritima Robert F. Thorne 1973-4-12 42934 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  SEINET3893350  Ruppia maritima Robert F. Thorne, D. Propt; class 1971-5-17 41353 Los Angeles Santa Catalina Island: Pond southeast of Isthmus.; 0 213 Comment
  RSA477730  Sagina decumbens subsp. occidentalis F. R. Fosberg 1931-3-23 S- 4331 Los Angeles Hamilton Canyon, mouth near Avalon, Catalina Island. 2 Comment
  POM50176  Salazaria mexicana A. D. E. Elmer 1902-06 s.n. Los Angeles Palmdale. Comment
  UC25644  Salazaria mexicana Dr. A. Davidson 1895-1 Los Angeles Antelope Valley Comment
  RSA248903  Salicornia virginica R. F. Thorne 1973-4-12 42914 Los Angeles San Clemente Island, Salina at Horse Cove, S end of island 3 Comment
  RSA610215  Salicornia virginica L. C. Wheeler 1970-9-5 s.n. Los Angeles Venice: Canal Street at Washington Blvd. Comment
  CAS-BOT-BC103169  Salix bonplandiana F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mts. 15 Comment
  CAS-BOT-BC108062  Salix exigua Carl W. Sharsmith 1932-1-17 13 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  RSA226137  Salix exigua Robert F. Thorne, C. W. Tilforth 1971-6-17 39954 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  UCR212768  Salix exigua Ellen Mackey, Bart O'Brien, Blake Whittington 2006-10-19 NFWF- 1807 Los Angeles San Gabriel Valley, San Gabriel River [channel, northeast of East Huntington Drive], Lario San Gabriel River Trail Park 180 Comment
  UCSB962  Salix exigua Haller, Norman 1953-4-18 Los Angeles Hwy 99, 12 miles south of Gorman near Piru Creek crossing Comment
  OBI80551  Salix gooddingii A. C. Sanders, Dan S. Cooper 2010-4-30 38128 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  UCR191721  Salix gooddingii A. C. Sanders 2008-4-11 34849 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, vicinity of mapped spring NW of VABM 'Pine 973 Comment
  UCSB981  Salix gooddingii Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate dam, Pasadena 548 Comment
  CAS-BOT-BC104145  Salix hindsiana F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  RSA6438  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon. 15 Comment
  UC1135108  Salix laevigata Jerome S. Horton 1937-4-26 434 Los Angeles Tanbark Flats San Dimas Experimental Forest, Pomona Quad., Tanbark Flats Comment
  UC506464  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-15 7620 Los Angeles at Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  UCR192196  Salix laevigata A. C. Sanders 2008-4-18 34981 Los Angeles Transverse Range, upper Cow Spring Canyon, along wash 1072 Comment
  LA94889  Salix laevigata K. Larson; J. Neel 1950-4-8 39 Los Angeles 0.7 mi N of Ranch O' Daly, Maclay St., N San Fernando Valley Comment
  POM362724  Salix lasiolepis E. S. Spalding 1922-12-27 s.n. Los Angeles S. Pasadena Comment
  POM362751  Salix lasiolepis Ora M. Clark 1929-1-27 1486 Los Angeles Along Los Angeles river, W. Glendale Comment
  RSA507006  Salix lasiolepis Robert F. Thorne 1969-7-2 38335 Los Angeles San Gabriel Mountains, Angeles National Forest; c. 1.8 miles S of Dawsons saddle on Angeles Crest Highway. (NW slope of Mt. Hawkins) 2271 Comment
  UC1134985  Salix lasiolepis P. L. Johannsen 1934-3-1 311 Los Angeles 1/2 mi s.w. Castaic; Santa Susana Quad. Comment
  CAS-BOT-BC107535  Salix lasiolepis var. lasiolepis Carl Epling; Lincoln Ellison 1930-3-1 s.n. Los Angeles Mandeville Canyon Comment
  CAS-BOT-BC107557  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1931-11-15 3 Los Angeles Santa Monica Mountains, near mouth of Topanga Canyon 15 Comment
  RSA92715  Salix lucida subsp. lasiandra Mabel Peirson 1925-3-1 9605 Los Angeles Arroyo Seco, west of Pasadena Comment
  CLARK-A1528-4060  Salix scouleriana John C. Roos 1937-7-16 620 Los Angeles San Gabriel Mountains Comment
  CAS-BOT-BC126296  Salix sessilifolia I. Johnston 1917-5-13 1242 Los Angeles El Monte 91 Comment
  SD252320  Salsola Steven A. Junak 1999-9-10 Sca 1083 Los Angeles Santa Catalina Island: Along Bulrush Canyon Trail, above plant stop. 438 Comment
  CDA20797  Salsola australis B. Villegas 2002-8-21 B 247 -1 Los Angeles Los Angeles Basin; Calabasas, near Ventura Co. line. 0 Comment
  CDA37038  Salsola australis M. O'Brien 2004-11-17 s.n. Los Angeles Southern California Coast; Malibu Creek State Park. Sheet 2 of 2. 0 Comment
  RSA624447  Salsola tragus L. C. Wheeler 1932-9-5 1342 Los Angeles San Antonio Canyon 1066 Comment
  SFV18440  Salsola tragus S. Haennelt 1976-8-9 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  RSA570026  Saltugilia australis T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4916 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity 492 Comment
  HSC17015  Saltugilia grinnellii subsp. grinnellii C. S. Apperson 1967-6-21 Los Angeles Cienega Campgrounds, 13 mi. from Castaic Comment
  RSA469674  Saltugilia splendens Anstruther Davidson 1914-05 2986 Los Angeles San Fernando Comment
  RSA0082877  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-21 15547 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA469660  Saltugilia splendens subsp. grantii Geo L. Moxley 1915-7-19 379 Los Angeles Arroyo Seco Canyon at Switzer's Camp. San Gabriel Mountains. Comment
  SEINET12273380  Salvia C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles, Ramona Comment
  RSA145220  Salvia apiana Alice Ann Webb 1961-3-17 784 Los Angeles End of Indian Hill (N.), where bulldozers were messing around, Claremont. Mt. Range - San Gabriel. 457 Comment
  RSA215194  Salvia apiana Louis C. Wheeler 1932-5-21 728 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  RSA424342  Salvia apiana William Emboden 1970-6-12 13 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA424344  Salvia apiana William Emboden 1970-6-12 14 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA442845  Salvia apiana William Emboden 1969-5-28 35 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA785722  Salvia apiana Doris Bowers 1957-6-22 305 Los Angeles Arroyo Seca, Pasadena 457 Comment
  RSA411365  Salvia carduacea Anstruther Davidson 1890-5-1 s.n. Los Angeles Near Burbank Comment
  UC1871309  Salvia carduacea T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5010 Los Angeles Transverse Ranges; Liebre Mountains region; Paris: ca. one mile E of Acton, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash, T5N R12W SW 1/4 NE 1/4 SW 1/4 section 31; elevation ca. 2740 ft. 835 Comment
  RSA0073249  Salvia carnosa Bonnie C. Templeton, H. J. Andrews 1938-3-22 1688 Los Angeles Mint Canyon. Comment
  RSA569936  Salvia columbariae Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4844 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA599328  Salvia columbariae Steve Boyd, Lauren Raz 1997-3-26 9356 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCR153567  Salvia columbariae A. C. Sanders 2005-5-11 30180 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  RSA0056295  Salvia columbariae Geo. E. Julian 1963-4-20 s.n. Los Angeles Cal Poly, Kellogg Campus, Pomona. Comment
  SFV3207  Salvia dorrii J. C. Crawford 1958-4-18 s. n. Los Angeles Mojave Desert Antelope Valley. Palmdale, 2.1 miles west on Ave. N. 790 Comment
  CAS-BOT-BC224952  Salvia dorrii var. pilosa A. D. E. Elmer 1902-6-1 3696 Los Angeles Vincent Comment
  RSA590068  Salvia dorrii var. pilosa Orlando Mistretta 1994-3-30 986 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1159 Comment
  CAS-BOT-BC233653  Salvia leucophylla Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills Comment
  CAS-BOT-BC233297  Salvia mellifera Peter H. Raven; Robert F. Thorne 1964-5-7 19005 A Los Angeles Saddle Rock Ranch near Seminole Hot Springs, Santa Monica Mountains Comment
  OBI26263  Salvia mellifera Mark Schneider 1973-5-17 20 Los Angeles Seven Hills Ranch, Tujunga, San Bernardino Mts 549 Comment
  POM13943B  Salvia mellifera P. A. Munz 1922-4-15 5146 Los Angeles Claremont: wash, east of town, 1/2 mi from Columbia Ave 381 Comment
  POM4035  Salvia mellifera C. F. Baker 1909-5-15 s.n. Los Angeles San Antonio Canyon, Claremont. Comment
  POM8251  Salvia mellifera P. A. Munz, R. D. Harwood 1920-5-15 3930 Los Angeles [Coldwater] Canyon 305 Comment
  RSA434118  Salvia mellifera Anstruther Davidson 1890-06 s.n. Los Angeles Los Angeles. Comment
  RSA434156  Salvia mellifera R. J. Tinkler 1969-7-12 s.n. Los Angeles Mullholland Drive, west of San Diego Freeway. Comment
  UCSB9276  Salvia mellifera Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre 304 Comment
  RSA434074  Salvia spathacea E. Crow 1929-4-18 253 Los Angeles Santa Monica Mountains. Comment
  POM4447  Sambucus mexicana M. Hitchcock 1918-5-30 s.n. Los Angeles Claremont. 365 Comment
  RSA303605  Sambucus mexicana J. R. Shevock 1970-3-23 50 Los Angeles Along roads in Sylmer. 274 Comment
  RSA654186  Sambucus mexicana Marilyn Porter 1991-5-19 34 Los Angeles Upland at San Bernardino County line south from parking area at Shinn Road and Mount Baldy Road. Followed abandoned road beginning from road side to San Antonio Dam. 671 Comment
  UCR271986  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-31 14912 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  SD30992  Sambucus nigra subsp. caerulea Edith A. Purer 1931-3-26 Los Angeles Comment
  LA202575  Sanguisorba minor subsp. muricata Elizabeth McClintock; 1943-3-27 176 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park, E of Greek Theater. Comment
  POM3419  Sanicula arguta L. R. Abrams 1901-04 1242 Los Angeles Inglewood Comment
  LA32917  Sanicula arguta Jean Wylie; 1936-4-18 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  RSA470996  Sanicula arguta E. Crow 1928-4-11 246 Los Angeles hills south of Pomona Comment
  POM3414  Sanicula bipinnata P. A. Munz 1918-4-11 2035 Los Angeles Lone Hill near Glendora. Comment
  RSA250677  Sanicula bipinnatifida R. F. Thorne 1971-4-2 41427 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont 549 Comment
  RSA126693  Sanicula crassicaulis H. J. Thompson 1959-4-9 1941 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage. 274 Comment
  RSA785909  Sanicula tuberosa K. Dobry 1991-4-22 449 Los Angeles West San Gabriel Mts. at Elsmere Cyn Comment
  RSA471117  Sarcodes sanguinea L. E. Hoffman 1932-7-4 s.n. Los Angeles Big Pines Park, Swarthout Canyon. Comment
  SD69005  Satureja douglasii Robert F. Thorne, D. Propst 1968-5-28 37647 Los Angeles Santa Catalina Island, middle Bulrush Canyon 244 Comment
  UC188199  Satureja mimuloides G. L. M. 1915-7-24 437 Los Angeles 1/2 mi above Oak Wilde Camp; San Gabriel Mts., Arroyo Seco Canyon Comment
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Sep 12 2013
  RSA762053  Schedonorus arundinaceus Orlando Mistretta, Christine Mistretta 2008-5-19 3107 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 100 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 1209 Comment
  POM186324  Schinus molle L. C. Wheeler 1933-1-28 1456 Los Angeles San Gabriel Mountains, San Dimas Canyon. 388 Comment
  RSA673617  Schinus molle LeRoy Gross 2003-1-18 682 Los Angeles West side of saddle were Stough Canyon Mountainway and Verdugo Mountainway meet. 610 Comment
  UCR48968  Schinus terebinthifolius A. C. Sanders 1987-9-18 7362 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  RSA0065636  Schismus arabicus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6791 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR281351  Schismus arabicus R. G. Swinney 2014-4-24 16191 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  UCR258803  Schismus barbatus R. G. Swinney 2010-3-16 11942 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
  RSA596985  Schoenoplectus americanus Steve Boyd, Lauren Raz 1996-9-24 8959 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
  SEINET11754494  Schoenoplectus californicus S. B. Parish, Parish, W. F. 1881-1 1114 Los Angeles Compton Comment
  UCR128158  Scrophularia californica Mark A. Elvin, Cathleen Weigand 2003-5-22 2900 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  LA99458  Scrophularia californica subsp. californica Hisao P. Arai; 1957-5-7 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  UCR199979  Scrophularia californica subsp. californica Valerie Soza, L. Lubinsky 2001-5-16 1227 Los Angeles Transverse Ranges; Verdugo Mountains, Northern San Rafael Hills, Liz's Loop (Edison Road) to Cherry Canyon Fire Road 442 Comment
  RSA719101  Scrophularia californica subsp. floribunda Naomi S. Fraga 2001-5-27 52 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  SD52973  Scrophularia villosa Peter H. Raven 1962-5-21 17806 Los Angeles Santa Catalina Island, Camp Cactus Road just about turn to Camp Cactus, about 0.5 miles east of Carlos Comment
  SBBG125935  Scutellaria mexicana A. Parikh, N. Gale 2010-6-4 3259 Los Angeles Sierra Pelona, 2.8 km W of State Hwy 14, 1.3 km S of Avenue S; E Liebre Mtns 987 Comment
  SD255778  Scutellaria mexicana Ian Cain 2010-5-9 1399 Los Angeles East south east of Llano. Just north of the corner of Highway 138 and 185th street east. 1003 Comment
  RSA0105011  Scutellaria siphocampyloides R. G. Swinney 2011-6-23 15298 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA587984  Scutellaria siphocampyloides Orlando Mistretta, T. S. Ross 1994-6-1 1312 Los Angeles San Gabriel mountains, Santiago Canyon. 1402 Comment
  JEPS62867  Scutellaria tuberosa Frank W. Peirson 1918-5-26 178 Los Angeles Henninger Flats; San Gabriel Mountains, Henninger Flats 868 Comment
  POM4105  Scutellaria tuberosa W. M. S. s.n. Los Angeles Ganesha Hills [Pomona] Comment
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Mar 25 2014
  UCR190789  Scutellaria tuberosa R. G. Swinney 2001-4-17 7874 Los Angeles San Gabriel Mtns., Glendora, Morgan Canyon plateau 402 Comment
  RSA445372  Scutellaria tuberosa F. H. Elmore 1934-3-4 s.n. Los Angeles [Beudiets sp?] Canyon, Hollywood. Comment
  LA209598  Selaginella asprella Lawrence L. Kiefer; 1966-10-15 2427 Los Angeles San Gabriel Mountains, Bear Canyon-Devil's Canyon Primitive Area, ca. 0.5 mi down the stream below Snow Spring on Hwy. 39 1523 Comment
  CAS-BOT-BC62045  Selaginella bigelovii Timothy S. Ross; Steve Boyd 1994-5-25 7951 Los Angeles Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit, ca 600-800 m WSW of summit, 1075 Comment
  RSA601571  Selaginella bigelovii Louis Cutter Wheeler 1967-6-15 9823 Los Angeles San Gabriel Mountains: South side Fremont Pass. Land Grant 564 Comment
  POM952  Selaginella bigelovii Philip A. Munz 1918-3-28 2010 Los Angeles Claremont, wash of Palmer's Canyon. Comment
  RSA151122  Selaginella bigelovii Peter H. Raven 1962-4-12 17322 Los Angeles Rocky walls of canyon, with Galvezia, in canyon below the Tomb, San Clemente Island 122 Comment
  UCSC001217  Selaginella bigelovii Peter Kamb 1948-1-10 744 Los Angeles San Gabriel Mts, Millards Canyon 671 Comment
  UCR256963  Senecio breweri Mitch Provance 2010-5-12 0510- 56 Los Angeles Western Transverse Range/W Mojave Desert, south side of Hwy 138, c. 1.3 miles east of intersection with Ridge Route (N2) and 7 miles west of Neenach Comment
  CAS-BOT-BC333110  Senecio flaccidus var. douglasii A. D. E. Elmer 1902-6-1 3735 Los Angeles Acton Comment
  CAS-BOT-BC333125  Senecio flaccidus var. douglasii Bell Richardson Jackson 1941-6-1 s.n. Los Angeles San Gabriel Wash, N.E. of Claremont Comment
  UCR207799  Senecio flaccidus var. douglasii O. F. Clarke 2004-5-24 s.n. Los Angeles San Gabriel Mtns. Foothills, Lake Ave., Pasadena 553 Comment
  RSA588732  Senecio ionophyllus Orlando Mistretta 1994-5-31 1279 Los Angeles Santiago Canyon: N slope of Pacifico Mountain 2027 Comment
  RSA702829  Senecio mikanioides Scott D. White 2004-4-23 10232 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA171021  Senecio vulgaris R. F. Thorne, James Henrickson 1963-5-5 32277 Los Angeles Near Mouth of Cobal Canyon. Foothill of San Gabriel Mts. ca. 4 mi. N of Claremont. 518 Comment
  POM9052  Senecio vulgaris P. A. Munz, R. D. Harwood 1920-3-13 336 Los Angeles Puddingstone Canyon, San Dimas 304 Comment
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Aug 21 2012
  POM293782  Setaria viridis Lyman Benson 1946-10-14 12271 Los Angeles Claremont. 351 Comment
  UCR209306  Setaria viridis var. viridis A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37185 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  CAS-BOT-BC434371  Sidotheca trilobata Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10004 Los Angeles Liebre Mountains Region: Saddle between Sawmill Mountain and Liebre Mountain, at the head of the north fork of Fish Canyon. 1456 Comment
  CAS-BOT-BC384475  Silene antirrhina Alice Eastwood 1906-5-27 1 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  UCR190416  Silene antirrhina R. G. Swinney 2000-5-20 7689 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  SFV4909  Silene antirrhina M. H. Grayum 1971-5-20 s. n. Los Angeles Santa Monica Mountains Headwaters of Cold Creek near Stunt Road. 488 Comment
  UC852875  Silene californica C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4747 Los Angeles Bouquet Canyon 750 Comment
  UC166886  Silene gallica Geo. B. Grant 1905-4-2 1206 Los Angeles Pasadena Pasadena (southern California) Comment
  CAS-BOT-BC387016  Silene gallica Carl B. Wolf 1932-5-11 3545 Los Angeles Santa Catalina Island; W side of Isthmus Harbor 30 Comment
  CDA3469  Silene gallica Phillipson 1916-5-3 Los Angeles Monrovia. Comment
  SDSU17722  Silene gallica S. H. Bullock 1968-3-23 Los Angeles Claremont, ca. 200 yards West of Mills Ave. and Sixth Street. 351 Comment
  POM9220  Silene laciniata subsp. major P. A. Munz, R. D. Harwood 1920-5-17 3981 Los Angeles Topanga Canyon, Santa Monica Mountains 152 Comment
  RSA654516  Silene laciniata subsp. major Brian McColgan 1988-5-14 13 Los Angeles 1 mile N of Padua on Mt. Blady Rd. 1067 Comment
  CAS-BOT-BC175099  Silene verecunda Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  UCR190890  Silene verecunda R. G. Swinney, Cody Clarke 2001-6-20 7994 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR51920  Silene verecunda Steve Boyd, Laura Kopase 1987-6-8 2075 Los Angeles San Gabriel Mtns., 5 mi. WNW of Wrightwood in Cedar Canyon, near junction with Mescal Creek 1524 Comment
  RSA230691  Silene verecunda subsp. platyota R. F. Thorne, M. Z. Thorne 1969-7-9 38528 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines. 2088 Comment
  UCR272987  Silybum marianum R. G. Swinney 2011-4-26 14509 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA0115447  Sisymbrium altissimum R. G. Swinney 2011-10-13 15782 Los Angeles San Gabriel Mountains: Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  UCR124754  Sisymbrium altissimum B. C. Templeton 1932-6-17 4912 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  UCR280562  Sisymbrium altissimum R. G. Swinney 2014-4-10 16012 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
  RSA431704  Sisymbrium altissimum Freda Detmers 1931-5-17 s.n. Los Angeles Big Rock Canyon Comment
  RSA0081298  Sisymbrium officinale R. G. Swinney 2010-4-30 12477 Los Angeles Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon. 482 Comment
  RSA726751  Sisymbrium officinale Anstruther Davidson 1993-05 s.n. Los Angeles 4th & Wall St. Comment
  UCR91366  Sisymbrium orientale Scott D. White 1995-3-15 2566 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  UCR179293  Sisyrinchium bellum R. G. Swinney 1969-5-5 435 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 358 Comment
  RSA250666  Sisyrinchium bellum Robert F. Thorne 1971-3-31 41455 Los Angeles Johnsons Pastures, N of Mountain Ave., Claremont. 549 Comment
  UCR190731  Smilacina stellata R. G. Swinney 1999-7-5 7494 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
  RSA0108891  Solanum douglasii Richard G. Swinney 2010-8-11 13512 Los Angeles San Gabriel Mountains: San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/service road. 595 Comment
  RSA187717  Solanum douglasii Robert F. Thorne 1966-4-5 35863 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  SD69442  Solanum douglasii Robert F. Thorne 1966-4-28 36247 Los Angeles Santa Catalina Island: margin of deep gully, Hay Press area 427 Comment
  UC1125086  Solanum douglasii Jerome S. Horton 1935-5-22 143 Los Angeles below C. C. C. Camp (Dalton Canyon, Dalton Watershed); Dalton Canyon 304 Comment
  SBBG31536  Solanum douglasii R. M. Beauchamp 1967-3-17 243 Los Angeles near rocks E of Wilson Cove Comment
  RSA427304  Solanum elaeagnifolium F. H. Elmore 1935-10-7 19274 Los Angeles Parking lot opposite Aeneas Hall, U. S. C. Campus. Comment
  SEINET7262340 Image available Solanum elaeagnifolium J. A. Ewan 1932-1 680 Los Angeles West Los Angeles Comment
  UCR136963  Solanum nigrum B. C. Templeton 1929-11-17 1450 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 250 Comment
  UCR123288  Solanum triflorum Steve Boyd 1988-7-12 2534 Los Angeles Claremont, grounds of Rancho Santa Ana Botanic Garden 404 Comment
  POM339143  Solanum umbelliferum F. R. Fosberg 1932-5-19 8186 Los Angeles Alluvial ban at mouth of San Dimas Blvd. Comment
  RSA187749  Solanum wallacei Robert F. Thorne 1966-4-5 35798 Los Angeles Santa Catalina Island. North slope of Black Jack Mountain, 1/8 mile down road to White's Landing 412 Comment
  SBBG70641  Solanum xanti R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  SBBG63042  Solidago confinis R. Hoffmann 1927-9-21 Los Angeles Gorman, Ridge Route (US Hwy 99) Comment
  RSA0116180  Solidago velutina subsp. californica R. G. Swinney 2010-10-5 13983 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA600479  Sonchus asper subsp. asper Steve Boyd, Lauren Raz 1997-4-30 9612 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  UCD136131  Sonchus asper subsp. asper Daryl Koutnik 1978-3-31 199 Los Angeles west fork of Triunfo Creek near Westlake Village homes. 274 Comment
  UCR260393  Sonchus oleraceus R. G. Swinney 2010-6-21 13283 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  CAS-BOT-BC374614  Sonchus oleraceus E. R. Blakley 1962-6-10 5259 Los Angeles San Clemente Island 15 Comment
  RSA738076  Sorghum halepense Kitty Brauer 1966-07 s.n. Los Angeles La Crescenta Comment
  LA33432  Sorghum halepense Peter H. Raven; 1959-3-1 13817 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park 243 Comment
  CSUSB1338  Spartium junceum Brian Scott 1968-5-11 Los Angeles Mount Baldy. Mount Baldy Road, roadside for 3 miles. 762-914 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
  RSA596363  Spartium junceum R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. ''Owl Flats,'' Big Dalton Canyon, 1.4 mi NE of Glendora Mtn. Road. 457 Comment
  UCR91410  Spartium junceum Scott D. White 1995-3-15 2553 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  RSA0097889  Spergularia bocconi Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 984 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, above Brace Canyon, W of junction with Stough Canyon Mtwy. 610 Comment
  RSA0097063  Spergularia gracilis Anstruther Davidson 1895-4-15 s.n. Los Angeles Fulton Wells. Comment
  SD90424  Spergularia macrotheca var. macrotheca Robert F. Thorne 1966-4-15 36019 Los Angeles San Clemente Island; 0.5 mile southsoutheast of Eel Point southwest side of island. Comment
  RSA0089478  Spergularia villosa Steven A. Junak, Keri Kirkland 1998-4-30 SCa- 586 Los Angeles Santa Catalina Island. On ridge along N side of upper Hamilton Canyon. 341 Comment
  RSA0012263  Stachys albens Orlando Mistretta, Youssef Atallah 2011-8-16 6055 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  RSA447290  Stachys albens Anstruther Davidson 1922-5-1 3553 Los Angeles Playa del Rey. Comment
  RSA603333  Stachys albens Scott D. White 1997-5-21 5202 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  SBBG80012  Stachys albens R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake to Palmdale Comment
  RSA0051602  Stachys albens Harold L. Pirie 1963-7-27 s.n. Los Angeles Cold Creek of Stunt Rd. in the Santa Monica Mts. 563 Comment
  RSA446641  Stachys bullata N. C. Cooper 1945-5-1 2238 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  SBBG80000  Stachys bullata M. M. Rice -Mar-1928 474 Los Angeles Hollywood 304 Comment
  UCR127062  Stanleya pinnata var. pinnata Mark A. Elvin 2003-4-9 2468 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  RSA0110610  Stebbinsoseris heterocarpa Steven A. Junak 1999-4-23 SCa- 853 Los Angeles Santa Catalina Island. Plant stop. 347 Comment
  UC1408997  Stebbinsoseris heterocarpa Robert F. Thorne 1973-4-11 42788 Los Angeles plateau in Middle Ranch area at head Middle Ranch Canyon (San Clemente Island); , plateau in Middle Ranch area at head Mi 426 Comment
  UCD99449  Stellaria media Colin M. Wainwright 1971-3-26 121 Los Angeles 5 miles north of Claremont. Evey Canyon, off Baldy Road. 1036 Comment
  RSA65759  Stellaria media F. W. Peirson 1919-2-26 368 Los Angeles Brae Burn Road, Atadena Comment
  IRVC26307  Stephanomeria cichoriacea Mark A. Elvin, Cathleen Weigand 2003-5-22 2907 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  UC830535  Stephanomeria diegensis Carl B. Wolf 1932-10-3 Los Angeles about 1.25 mi from Wrigley Drive (on road to Renton Mine, about head of right fork of Pebbly Beach Canyon); Santa Catalina Island, Pebbly Beach Canyon 304 Comment
  UCD136378  Stephanomeria exigua subsp. coronaria R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon. Comment
  RSA474197  Stephanomeria exigua subsp. coronaria F. R. Fosberg 1931-9-17 5698 Los Angeles Los Angeles. 40 Comment
  SBBG67890  Stephanomeria exigua subsp. exigua R. Hoffmann 1927-4-30 Los Angeles Palmdale Comment
  JEPS52079  Stephanomeria pauciflora Ernest C. Twisselmann 1965-7-23 11073 Los Angeles n side Antelope Valley; Mojave Desert, Antelope Valley 1203 Comment
  SFV4126  Stephanomeria virgata K. A. Wilson 1963-10-24 1304 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  UCR258570  Stephanomeria virgata R. G. Swinney 2010-6-23 13310 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  POM184069  Stephanomeria virgata P. A. Munz 1932-8-31 12816 Los Angeles Playa Del Rey Comment
  CATA7  Stipa miliacea var. miliacea Lauren K. Danner 2006-3-8 2 Los Angeles Santa Catalina Island: Disturbed roadside near Middle Ranch 198 Comment
  UCR193677  Stipa speciosa R. G. Swinney 1999-6-5 7268 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  UCR223102  Stipa speciosa R. G. Swinney 2009-5-12 10732 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UC604844  Streptanthella longirostris Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9496 Los Angeles Highway between Adelanto and Lancaster Comment
  RSA383484  Stuckenia pectinata L. C. Wheeler 1933-10-22 2197 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  UCR165422  Stylocline gnaphaloides A. C. Sanders, Helen Kennedy 2005-4-13 29488 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  RSA148428  Stylomecon heterophylla L. R. Abrams 1899-03 233 Los Angeles Ballona Harbor Comment
  RSA54055  Suaeda taxifolia J. T. Howell 1948-7-2 24764 Los Angeles Redondo Beach. Comment
  SDSU143  Suaeda taxifolia R. M. Beauchamp 1967-1-27 116 Los Angeles Growing on sea bluff east of mian Wilson Cove area. San Clemente Island Comment
  SFV2770  Swertia neglecta M. L. Vincent 1960-3-23 78 Los Angeles San Gabriel Mountains Big Pine camping area. Across Highway 138 [actually across Big Pines Highway, Hwy-N4] from Jackson Lake. 1829 Comment