Search Results — 2000 specimen records retrieved (1598 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  POM310449  Abies concolor Margaret Hardinge 1945-10-14 118 Los Angeles San Antonio Canyon 1860 Comment
  RSA384190  Abies concolor F. R. Fosberg 1931-8-13 S 5675 Los Angeles Islip - Hawkins divide 2300 Comment
  CAS-BOT-BC229556  Abronia maritima Geo. B. Grant 1898-4-1 s.n. Los Angeles San Pedro Comment
  CAS-BOT-BC229371  Abronia umbellata Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  UCSB10457  Acacia baileyana Lloyd, Robert 1959-3-9 Los Angeles Fifth and College Street, Claremont; just south of Crookshank Hall, Pomona College; San Gabriel Mt. Range; Pacific slope drainage area 365 Comment
  LA49823  Acer macrophyllum Carl Epling; March 1937 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  POM5995  Achillea millefolium I. M. Johnston 1918-6-23 s.n. Los Angeles Spring Hill, San Antonio Canyon. 1310 Comment
  UCR25580  Achillea millefolium J. R. Seeba 1977-5-27 61 Los Angeles Fort Tejon along Hwy 5 948 Comment
  POM186248  Achillea millefolium Joseph A. Ewan 1933-7-4 7873 Los Angeles San Gabriel Mtns. Ridge east of Monrovia Peak 1372 Comment
  CHSC100198  Achnatherum speciosum John Dittes 2006-6-5 1404 Los Angeles Transverse Ranges; San Gabriel Mts.; Peace Valley, east of Gorman Creek; ca. 4.9 air-miles NW of Pyramid Lake dam, 6.7 air-miles SE of Gorman, and 0.6 air-miles N of Confluence of Gorman Creek and creek passing out of Canada de Los Alamos; east side of Interstate Hwy-5, north and east of Little Bear Road exit. 896 Comment
  JEPS75608  Achnatherum speciosum W. L. Jepson 1935-4-17 17061 Los Angeles Portal Ridge Comment
  RSA599810  Achnatherum speciosum Steve Boyd, Lauren Raz 1997-3-25 9302 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA717217  Achnatherum speciosum Scott D. White, Pam DeVries 2006-5-10 11435 Los Angeles St Tehachapi: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  SBBG57066  Achnatherum speciosum R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SD212604  Acmispon americanus Jennifer H. Jones 2006-6-4 376 Los Angeles Foothills of San Gabriel Mountains, southwest of Claremont Wilderness Park near the west end of Pomello Drive. 476 Comment
  CATA769  Acmispon argophyllus var. argenteus Mark L. Hoefs 1991-5-28 1309 Los Angeles Santa Catalina Island: Near road from Black Jack to Middle Canyon [Cape Canyon Road] 469 Comment
  SBBG108146  Acmispon argophyllus var. argenteus S. L. Crockett, S. A. Junak, M. L. Hoefs, J. Takara 1997-3-28 615 Los Angeles 1.1 mi S of Two Harbors on Cat Harbor Rd; ca. 30 m upslope 30 Comment
Read comments
May 24 2016
  SD168097  Acmispon argophyllus var. argenteus Grady L. Webster, Robert Thorne and John Tucker 1992-3-30 7754 Los Angeles Santa Catalina Island; along road from Little Harbor to Middle Ranch. 20 Comment
  SBBG125832  Acmispon brachycarpus A. Parikh, N. Gale 2010-5-24 3213 Los Angeles Sierra Pelona, 5.4 km W of State Hwy 14, 1.9 km SW of California Aqueduct 1105 Comment
  SEINET5327396  Acmispon micranthus L. Wheeler 1934-3-24 2476 Los Angeles Liveoak Canyon, San Gabriel Mts. south slope 488 Comment
  LA201183  Acmispon wrangelianus O. H. Kappler; 1941-5-8 270 Los Angeles Santa Monica Mountains, Zuma Canyon, near summit of Mulholland Hwy 640 Comment
  SBBG31482  Acmispon wrangelianus R. F. Thorne 1966-4-6 35894 Los Angeles between White and Moonstone Coves 15 Comment
  RSA0004108  Acrolasia davidsoniana L. R. Abrams 1902-6-30 2580 Los Angeles Mt. Wilson. Comment
  CATA239  Adenostoma fasciculatum Mark L. Hoefs, A. Douglas Propst 1973-5-4 235 Los Angeles Santa Catalina Island: Lower Middle Canyon 144 Comment
  RSA390566  Adenostoma fasciculatum M. Bisbee 1917-5-18 s.n. Los Angeles Hills, north of Eagle Rock Valley Comment
  UCR255792  Adenostoma fasciculatum R. G. Swinney 2010-3-10 11821 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  RSA0072131  Adenostoma fasciculatum Fran Dourisboure 1966-5-10 8 Los Angeles San Raphael Hills. 213 Comment
  RSA687679  Adiantum capillus-veneris M. B. Dunkle 1928-5-13 1952 Los Angeles Cottonwood Canyon, Santa Catalina Island. 9 Comment
  CHSC8344  Adiantum jordanii Edward L. Smith 1959-2-20 329 Los Angeles Located in Upper Palmer Canyon, San Gabriel Mtns. 762 Comment
  UC399482  Adiantum jordanii C. F. Millspaugh 1919-12-4 4463 Los Angeles Hamilton Beach Canyon; Santa Catalina Isl Comment
  UCR204194  Adiantum jordanii Mark A. Elvin 1996-4-20 160 Los Angeles Channel Islands, San Clemente Island 355 Comment
  CDA20327  Agave americana M. O'Brien 2005-3-25 s.n. Los Angeles El Matador State Beach. 0 Comment
  RSA527704  Agave americana Timothy S. Ross, Annette H. Ross 1991-3-7 4134 Los Angeles Elephant Hill: western Pomona. 244 Comment
  RSA578985  Agave attenuata Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7428 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; southerly coastal bluffs near Inspiration Point. 21 Comment
  SD144075  Ageratina adenophora Scott D. White 1997-3-12 4735 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  CDA6737  Ageratina adenophora L. C. Wheeler 1969-3-8 s.n. Los Angeles San Gabriel Mountains, southwest mouth of San Gabriel Canyon. 0 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
  SBBG66282  Agoseris retrorsa R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  RSA597277  Agoseris retrorsa Timothy S. Ross, Peter W. Fritsch, Steve Boyd, Orlando Mistretta 1990-6-22 3723 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA756785  Agoseris retrorsa Orlando Mistretta, Christine Mistretta 2008-4-28 2536 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Impact area 9 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1127 Comment
  UCR178784  Agropyron parishii R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  SEINET1908720 Image available Agrostis R. G. Swinney 1999-1 7625 Los Angeles San Gabriel Mtns: upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4 air mi. WSW of Dawson Peak 2146 Comment
  RSA618671  Agrostis exarata L. C. Wheeler 1966-8-21 8834 Los Angeles San Gabriel Mountains: Northwest slope, Mount Burnham Comment
  CAS-BOT-BC139056  Agrostis pallens Geo. B. Grant 1904-6-17 s.n. Los Angeles Arroyo Seco Canyon. Comment
  RSA647791  Agrostis pallens LeRoy Gross, Laura Moore 2000-6-5 227 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  UCR178931  Alisma triviale R. G. Swinney 1989-5-22 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon, Big Dalton Debris basin 366 Comment
  RSA597393  Allium fimbriatum var. fimbriatum Timothy S. Ross, Steve Boyd 1990-6-18 3497 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  CAS-BOT-BC135897  Allium haematochiton Marcus E. Jones 1927-4-20 s.n. Los Angeles San Dimas Comment
  UCR188654  Allium haematochiton R. G. Swinney 1990-3-23 1542 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  SEINET8467182 Image available Allium haematochiton W. V. Bauld 1962-3-24 Los Angeles Sunflower Canyon, S. Glendora 213 Comment
  SBBG133130  Allium peninsulare S. A. Junak 1996-4-13 SCI- 309 Los Angeles 0.09 mi NW of Camera Pad "Malo", W of head of 3rd cyn S of Bryce Cyn, in small swale 365 Comment
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Aug 5 2019
  RSA583037  Allium praecox Timothy S. Ross 1993-4-22 6872 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak. 419 Comment
  UC119954  Allium praecox T. S. Brandegee 1893-5-21 Los Angeles Santa Catalina Island Comment
  SEINET2444423  Allophyllum divaricatum Leigh A. Johnson 1997-6-21 97 -109 Los Angeles San Gabriel Mtns. This sample from 0.5 miles W of jct with Mt. Baldy Road. Comment
  SEINET2444428  Allophyllum divaricatum Leigh A. Johnson, Gery Allen 1997-5-26 97 -083 Los Angeles Angeles National Forest, San Gabriel Mtns. Ca. 1 miles down road to [crystal lake] creek from Glendora Ridge Road. 1000 Comment
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Jul 19 2016
  UCR101749  Allophyllum divaricatum L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mtns, Devil's Canyon, depression on bench NE of campground 1433 Comment
  RSA28263  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  RSA595876  Allophyllum gilioides subsp. gilioides T. S. Ross, Victor W. Steinmann 1995-5-8 8540 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  RSA549515  Allophyllum gilioides subsp. violaceum Tim Ross, Steve Boyd 1990-6-18 3469 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake 1878 Comment
  LA210334  Allophyllum glutinosum S. B. Parish; May 1926 Los Angeles Pasadena, Arroyo Seco Comment
  RSA410088  Allophyllum glutinosum H. L. Bauer 1932-6-1 s.n. Los Angeles Santa Monica Mountains. Near Saddle Peak. Comment
  RSA590850  Allophyllum glutinosum T. S. Ross, S. D. Boyd 1990-5-15 2544 Los Angeles Yerba Buena Ridge, Tujunga RAnger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE) 1012 Comment
  RSA639184  Allophyllum glutinosum L. C. Wheeler 1967-5-15 9559 Los Angeles San Gabriel Mountains: Ridge east of Fremont Pass. 571 Comment
  UC1293680  Allophyllum glutinosum P. C. Everett and E. K. Balls 1959-6-2 23832 Los Angeles 1 mi. n.e. of entrance to Stokes Canyon; Santa Monica Mts. 228 Comment
  RSA580315  Allophyllum violaceum T. S. Ross, S. D. Boyd 1994-5-24 7868 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  CAS-BOT-BC170973  Alnus rhombifolia Joseph Andorfer Ewan; Nesta Ewan 1936-8-2 9887 Los Angeles 1 mi below head of Cedar Canyon off Mescal Canyon. San Gabriel Mts. Comment
  CAS-BOT-BC170982  Alnus rhombifolia W. H. Brewer 1861-1-4 107 Los Angeles San Gabriel Comment
  SEINET1869719  Alnus rhombifolia A. C. Sanders, Mark Elvin, Dave Fleitner 2003-1 27143 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle. 280 Comment
  UCR48960  Aloe brevifolia A. C. Sanders 1987-7-22 7145 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  UCR182701  Alopecurus pratensis R. G. Swinney 1997-8-6 5767 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  UC116351  Alternanthera caracasana J. C. Nevin Los Angeles Los Angeles Comment
  SBBG72687  Amaranthus blitoides R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  CDA23678  Amaranthus californicus G. C. Fleischman 1946-10-2 Los Angeles Sana Bernardino Basin; Puddingstone Reservoir near San Dimas. 0 Comment
  RSA756353  Amaranthus cruentus A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37180 Los Angeles Los Angeles, Watts area, along Stanford Ave. between 111th Place and end at drainage ditch 34 Comment
  UCR23420  Amaranthus palmeri Alfred R. Roos 1945-10-23 s.n. Los Angeles San Fernando Valley, [Mission Hills], Sepulveda & Devonshire Blvds. Comment
  POM96197  Amaranthus powellii P. A. Munz 1925-11 10811 Los Angeles Claremont. 366 Comment
  UC520370  Amaranthus watsonii Louis C. Wheeler 1932-7-18 963 Los Angeles 2 mi n Claremont 411 Comment
  SBBG32084  Amblyopappus pusillus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -232 Los Angeles Indian Head Pt Comment
  SBBG98474  Amblyopappus pusillus T. Ross 1991-5-23 5499 Los Angeles lower Tota Cyn, E escarpment 88 Comment
  SD107919  Amblyopappus pusillus Larry DeBuhr 1977-4-16 2564 Los Angeles Santa Catalina; coastal bluffs around Little and Shark Harbours. Comment
  RSA416882  Amblyopappus pusillus Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  LA31631  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1959-9-6 14381 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  RSA607701  Ambrosia psilostachya Scott D. White 1997-11-5 6019 Los Angeles Mouth of Trancas Canyon, N of Pacific Coast Hwy (= CA Hwy 1). 8 Comment
  RSA550708  Ambrosia psilostachya Timothy S. Ross, Annette Ross 1991-7-29 5692 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  RSA0087093  Ambrosia salsola R. G. Swinney 2010-6-1 13074 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  SBBG20318  Ambrosia salsola var. salsola M. A. Piehl 1963-5-18 63308 Los Angeles foothills just N of Godde Pass 914 Comment
  UCSB11715  Ambrosia salsola var. salsola Stern, Lee 1962-5-4 Los Angeles On California 138, 10.1 miles E of Pearblossom 1051 Comment
  RSA247412  Amorpha californica Jack Delaini, Barbara Shervanick 1974-5-23 207 Los Angeles Lodi Canyon, San Dimas Experimental Forest. 412 Comment
  UCR222766  Amorpha californica R. G. Swinney 2009-5-8 10696 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  CAS-BOT-BC180603  Amorpha californica var. californica Charles Piper Smith 1914-6-20 2871 Los Angeles Mt. Wilson-Sierra Madre trail Comment
  CAS-BOT-BC180638  Amorpha californica var. californica Timothy S. Ross; Steve Boyd 1994-6-22 8014 Los Angeles 0.5 road mi W of Lake Hughes Road along Forest Service road 6N32, Warm Springs Canyon - Liebre Mountains 658 Comment
  POM1906  Amorpha californica var. californica O. W. Robinson 1916-4-7 s.n. Los Angeles Mtns above Claremont. (Johnson's Pasture) Comment
  RSA601122  Amorpha californica var. californica L. C. Wheeler 1967-6-26 9888 Los Angeles Elsmere Canyon. 441 Comment
  RSA592011  Amsinckia intermedia Mark Hoefs, D. Propst 1973-5-4 213 Los Angeles Middle of Middle Ranch Canyon; Santa Catalina Island. 244 Comment
  SD49387  Amsinckia intermedia Reid Moran 1959-3-9 7163 Los Angeles San Clemente Island, canyon 2 miles southeast of Eel Point 99 Comment
  SDSU4896  Amsinckia intermedia R. M. Beauchamp 1967-1-29 155 Los Angeles San Clemente Island. Comment
  VVC2916  Amsinckia menziesii Tim Thomas 2014-5-4 6287 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  UC723857  Amsinckia menziesii var. menziesii Louis C. Wheeler 1934-3-31 2495 Los Angeles La Verne 304 Comment
  RSA0091458  Amsinckia tessellata R. G. Swinney 2009-5-28 10937 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA717376  Amsinckia tessellata var. tessellata Scott D. White, Pam De Vries 2006-5-9 11394 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UCR223052  Amsinckia vernicosa R. G. Swinney 2009-5-5 10651 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  RSA0038443  Anagallis arvensis A. L. Haines 1962-4-9 s.n. Los Angeles Topanga Canyon, Santa Monica Mountains. 274 Comment
  RSA655780  Andropogon glomeratus var. scabriglumis LeRoy Gross, Wayne Law 2000-8-8 248 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 337 Comment
  JEPS20402  Androsace elongata subsp. acuta Philip A. Munz 1937-3-26 14937 Los Angeles San Dimas , San Dimas (Puddingstone Canyon) 304 Comment
  RSA0113904  Androsace elongata subsp. acuta LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7548 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
  UC597674  Androsace elongata subsp. acuta Philip A. Munz 1937-3-26 14937 Los Angeles San Dimas , San Dimas (Puddingstone Canyon) 304 Comment
  IRVC28559  Anemopsis californica A. C. Sanders 2003-8-6 27113 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  IRVC28696  Anemopsis californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25481 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 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
  CHSC34558  Anthemis cotula James Henrickson 1973-6-15 10705 Los Angeles City of Long Beach. At jct of Pacific Coast Highway and Colorado St. 3 Comment
  JEPS83425  Antirrhinum coulterianum David M. Thompson 1983-5-13 307 Los Angeles 1.5 mi w Mulholland Hwy. junction with Las Virgines Road (on Mulholland Hwy); Malibu Beach Quad. (7.5', 1951) 274 Comment
  UC130952  Antirrhinum coulterianum Katharine Brandegee May 1909 Los Angeles Saugus Comment
  UCR271315  Antirrhinum coulterianum R. G. Swinney 2011-5-12 14671 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA718112  Antirrhinum multiflorum R. G. Swinney 1997-6-12 5564 Los Angeles San Gabriel River Canyon north of Morris Dam, at private shore NE of dam. 488 Comment
  UC1063069  Antirrhinum multiflorum Jerome S. Horton 1935-6-4 169 Los Angeles Little Dalton Canyon Pomona Quad. (Glendora Motorway) 609 Comment
  JEPS30731  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-3-27 16998 Los Angeles 1.4 mi e Portugese Bend (along Palos Verdes Drive); Palos Verdes Hills Comment
  SBBG113055  Aphanes occidentalis S. A. Junak with K. Kirkland 1998-4-30 SCa 583 Los Angeles N side of ridge on N side of Hamilton Cyn 243 Comment
  SBBG19176  Aphanisma blitoides M. A. Piehl 1963-12-7 631052 Los Angeles edge of mesa on SE tip of island opposite Pyramid Head 22 Comment
  UCR68902  Aphanisma blitoides Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4283 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  LA200139  Apiastrum angustifolium O. H. Kappler; 1941-4-6 179 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC106514  Apiastrum angustifolium Brandegee May 1889 Los Angeles San Pedro Comment
  UCR13454  Apiastrum angustifolium O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  SD215379  Apocynum cannabinum Steve Boyd, Lauren Raz 1997-5-28 9842 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 865 Comment
  RSA589228  Apocynum cannabinum T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2912 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  RSA729606  Aquilegia formosa R. G. Swinney 1998-7-10 6368 Los Angeles confluence of Bear Gulch and Prairie Fork Canyon, souh side of canyon along Prairie Fork sream. Riparian zone in mantane coniferous forest; with Alnus rhombifolia. 1488 Comment
  UCR223762  Arabis glabra R. G. Swinney 2009-5-28 10977 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA0128827  Arabis sparsiflora R. G. Swinney 1998-4-13 5959 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  POM367170  Arbutus menziesii L. C. Wheeler 1932-4-16 619 Los Angeles W side Santa Anita Canyon. 762 Comment
  POM50605  Arbutus menziesii L. R. Abrams 1901-4-13 1515 Los Angeles Wilsons Peak Trail. Comment
  UCR138854  Arbutus menziesii L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mtns., Rincon Canyon at Pine Mountain Truck Trail 732 Comment
  CAS-BOT-BC410155  Arceuthobium occidentale Louis C. Wheeler 1932-4-9 579 Los Angeles Kings Canyon, Elizabeth Lake Region 1036 Comment
  RSA1427  Arctostaphylos catalinae Knopf, Johnson 1930-1-30 1463 Los Angeles Catalina Island Comment
  UCD50482  Arctostaphylos catalinae Robert F. Thorne; P. Everett 1965-5-12 34599 Los Angeles Bulrush Canyon, Santa Catalina Island. 274 Comment
  RSA626670  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15791 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Road, San Gabriel Mountains. 1000 Comment
  RSA626767  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-9 16011 Los Angeles Whitaker Peak, west of the Templin Highway. 1250 Comment
  RSA631213  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21973 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA706430  Arctostaphylos glandulosa subsp. mollis Tim Thibault, K. E. Olshewsky 2004-5-22 278 Los Angeles fire road off Hwy. 2 910 Comment
  UCSB4775  Arctostaphylos glandulosa subsp. mollis Decker, Helen 1946-4-14 Los Angeles South slope of Arroyo Seco Canyon Switzer's Camp, Arroyo Seco Canyon, San Gabriel Mountains 1036 Comment
  UC1120237  Arctostaphylos glandulosa subsp. zacaensis F. H. Raymond 1930-1-13 28 Los Angeles head of Corral Canyon Calabasas Quadrangle Comment
  CAS-BOT-BC39329  Arctostaphylos glauca Tim Ross; Steve Boyd 1993-5-23 7243 Los Angeles Liebre Mountains, Lower easterly ridge of Red Mt., on northerly to northeasterly slope ca 500-570 m 975 Comment
  LA204832  Arctostaphylos glauca J. Sauer; D. Bradbury, L. Wester 1969-10-9 4648 Los Angeles San Gabriel Mountains, lower limit of forest above Kentucky Springs 1371 Comment
  RSA631408  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15685 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  RSA631482  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15973 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631524  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15661 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631554  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15852 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631571  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15644 Los Angeles Angeles Forest Highway, 2.8 km south of Hidden Springs Cafe. 900 Comment
  UC56685  Arctostaphylos glauca Ernest Braunton 1903-1-10 790 Los Angeles Arroyo Seco Comment
  SEINET12524584 Image available Arctostaphylos glauca Unknown 1961-1 2075 Los Angeles Schurnem Rd. , near Saddle peal, Santa Monica Mts. 632 Comment
  UC1366115  Arctostaphylos parryana Jeannette L. Huber 1969-9-14 1036 Los Angeles c. 30 mi n Azusa; San Gabriel Mtns. 2286 Comment
  RSA634727  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20516 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634757  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22016 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634792  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20662 Los Angeles 7 km NW of Chilao Cpgrd., San Gabriel Mtns. 1790 Comment
  RSA635075  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20379 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  PASA831  Artemisia californica Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora 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
  UC447151  Artemisia californica J. Ewan 1931-2-2 4009 Los Angeles Rio Hondo R. at Telegraph Road Comment
  UCR273159  Artemisia douglasiana R. G. Swinney 2011-10-25 15853 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  RSA417270  Artemisia douglasiana F. R. Fosberg 1931-7-11 S- 5381 Los Angeles Santa Catalina Island. Cape Canyon. 220 Comment
  RSA729581  Artemisia dracunculus R. G. Swinney 1999-4-5 7061 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  SBBG62518  Artemisia ludoviciana R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  SD52942  Artemisia nesiotica Peter H. Raven 1962-5-9 17709 Los Angeles San Clemente Island; Wilson Cove. 45 Comment
  POM188352  Artemisia spinescens Philip A. Munz, T. Craig 1933-5-13 12941 Los Angeles 16 miles NE of Lancaster Comment
  RSA639754  Artemisia tridentata L. C. Wheeler 1956-9-16 7239 Los Angeles San Gabriel Mountains: Guffy Camp, Blue Ridge. Comment
  UC205927  Artemisia tridentata H. M. Hall 1917-10-27 10584 Los Angeles Lancaster Antelope Valley, Lancaster Comment
  CAS-BOT-BC97287  Artemisia tridentata subsp. parishii J. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley Comment
  RSA0040204  Artemisia tridentata subsp. tridentata Orlando Mistretta 1992-5-16 7 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area Comment
  LA11608  Arundo donax Louis Wheeler; 1931-9-12 142 Los Angeles Eagle Rock 243 Comment
  UCR193707  Arundo donax R. G. Swinney 1999-4-5 7067 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.2 mi. south of Ft. Tejon Rd. (Ave. Y) on 217th St. East 1183 Comment
  RSA681050  Asclepias eriocarpa Scott D. White 2003-6-2 9448 Los Angeles City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  RSA137681  Asclepias fascicularis R. F. Thorne 1966-9-15 36678 Los Angeles Above Parson s Landing, Santa Catalina Island. 76 Comment
  SEINET11262201  Asclepias fascicularis David Charlton 1989-6-10 3208 Los Angeles Tehachapi Mtns. Tejon Pass [Tejon Post Rd] Gorman Post Rd, 1 mi [S}SE of Gorman.; 0 1098 Comment
  UCR205640  Asclepias fascicularis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37004 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
  JEPS26573  Asclepias vestita Peter Kamb 1948-5-6 959 b Los Angeles desert foothills of the San Gabriel Mts above Little Rock 975 Comment
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Aug 15 2013
  RSA584038  Aspidotis californica T. S. Ross, Steve Boyd 1991-4-25 4588 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora). 536 Comment
  RSA84995  Asplenium vespertinum F. W. Peirson 1921-6-21 2840 Los Angeles West Fork of San Gabriel River. 610 Comment
  RSA417661  Aster greatae F. W. Peirson 1924-8-23 5053 Los Angeles W fork San Gabriel River, just above forks Comment
  UCR210488  Aster subulatus R. G. Swinney 2008-11-30 9869 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  RSA90181  Astragalus bicristatus F. W. Peirson 1921-7-17 2510 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains 2058 Comment
  UCR194142  Astragalus didymocarpus A. C. Sanders 2008-4-25 35109 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
  RSA632830  Astragalus douglasii R. F. Thorne, A. C. Gibron, J. P. Simon, D. J. McGillivray 1970-4-17 39483 Los Angeles Mojave Desert: Ca. 2 miles south of Highway 138, 8 miles ESE of Pearblossom on Grandview Canyon Road. 1188 Comment
  SD60381  Astragalus douglasii Peter H. Raven 1957-6-16 10924 Los Angeles 0.4 mile south of the sumit of Tejon Pass, Tehachapi Mountains. Comment
  OBI13362  Astragalus douglasii var. douglasii Wesley O. Griesel 1962-6-7 s.n. Los Angeles Big Pines, San Gabriel Mts 1067 Comment
  RSA415477  Astragalus douglasii var. douglasii Lewis S. Ross 1968-4-5 68019 Los Angeles 10 miles E of Gorman 854 Comment
  RSA5834  Astragalus douglasii var. douglasii C. B. Wolf 1932-10-21 4365 Los Angeles head of Swartout Valley, 1 mi. east (below) Big Pines Park 1982 Comment
  CAS-BOT-BC178346  Astragalus gambelianus Geo. B. Grant 1904-5-23 75 a Los Angeles Saugus Comment
  CHSC42318  Astragalus gambelianus Robert L. Dressler 1952-5-31 1221 Los Angeles Along trail from Miller Camp (lower Dalton Canyon) to Johnstone Peak, San Gabriel Mountains. Comment
  IRVC26984  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  SD178160  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles Northeast end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines. At foot of slope on canyon bottom. 395 Comment
  RSA533466  Astragalus gambelianus T. S. Ross 1991-4-21 4556 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  RSA615517  Astragalus gambelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  POM145515  Astragalus lentiginosus J. B. Feudge 1925-5-23 1133 Los Angeles Lancaster. 716 Comment
  POM49667  Astragalus lentiginosus var. albifolius A. D. E. Elmer 1902-06 3627 Los Angeles Lancaster. Comment
  RSA667964  Astragalus leucopsis Peter J. Mehringer 1958-3-8 s.n. Los Angeles Decker Canyon Road, and US 101, Santa Monica Mountains. 15 Comment
  RSA534120  Astragalus nevinii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5086 Los Angeles San Clemente Island: west Cove, SW of the new landing field 6 Comment
  UCD105445  Astragalus trichopodus R. Kinmont; Jill Farris 1997-2-14 6 Los Angeles Sycamore Canyon, off of Pacific Coast Highway, Santa Monica Mountains, north of Malibu, near entrance to mountain biking trail, the ocean on the opposite side of Pacific Coast Highway. Comment
  CAS-BOT-BC194035  Astragalus trichopodus var. lonchus Alice Eastwood 1919-7-4 9300 Los Angeles Santa Monica Canyon Comment
  CATA373  Astragalus trichopodus var. lonchus Mark L. Hoefs 1974-3-28 426 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 219 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
  SBBG3260  Astragalus trichopodus var. lonchus H. and M. Dearing 1938-5-22 2594 Los Angeles coast near Santa Monica Comment
  CAS-BOT-BC199096  Astragalus trichopodus var. phoxus Alice Eastwood; John Thomas Howell 1937-4-26 3940 Los Angeles Near Sangus. Comment
  RSA166665  Astragalus trichopodus var. phoxus W. G. Webb 1935-3-16 s.n. Los Angeles Tujunga Wash 1268 Comment
  RSA600434  Astragalus trichopodus var. phoxus L. C. Wheeler 1931-11-11 349 Los Angeles Santa Monica Mountains: 1 mile SW of Girard. 426 Comment
  UC1584215  Astragalus trichopodus var. phoxus Tim Ross, Steve Boyd 1990-6-6 2861 Los Angeles .3 mi ese Oak Flat Spring (nr the intersection of Threemile Grade x the road W to Camp Caula, Los Padres National Forest (admin. by Angeles N.F.)); Los Padres National Forest, ese of Oak Flat Spring 839 Comment
  UCR208859  Astragalus trichopodus var. phoxus L. C. Wheeler 1931-11-11 0345 Los Angeles Western Transverse Range; Santa Monica Mtns., Garapito Creek 518 Comment
  UCR119560  Atriplex argentea L. C. Wheeler 1968-9-16 s.n. Los Angeles Liebre Mtns, Una Lake, near Palmdale Comment
  RSA0084866  Atriplex canescens R. G. Swinney 2010-9-1 13674 Los Angeles Sunland/Lakeview Terrace, 0.1 mi. east of Orcas Park, Tujunga Valley, just south of I-210. 329 Comment
  RSA711442  Atriplex confertifolia LeRoy Gross 2005-5-19 2307 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  UCR126364  Atriplex heterosperma A. C. Sanders 2003-8-6 27121 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  POM158313  Atriplex leucophylla M. B. Dunkle 1928-4-29 1893 Los Angeles Little Harbor. 5 Comment
  SBBG12207  Atriplex leucophylla P. H. Raven 1962-7-12 18032 Los Angeles Northwest Harbor 9 Comment
  UC110244  Atriplex leucophylla T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  CAS-BOT-BC27903  Atriplex parishii Samuel Bonsal Parish; William Fletcher Parish 1881-10-1 1119 Los Angeles Costa Station Comment
  RSA65376  Atriplex rosea L. C. Wheeler 1932-9-5 10479 Los Angeles San Antonio Canyon 1066 Comment
  RSA509708  Atriplex semibaccata L. C. Wheeler 1967-6-26 9907 Los Angeles San Gabriel Mountains : Placerita Canyon. 548 Comment
  LA31605  Atriplex serenana var. serenana Peter H. Raven; Henry J. Thompson, Henry J. Thompson 1959-10-14 14619 Los Angeles Santa Monica Mountains, Malibu Junction 266 Comment
  RSA0097781  Avena barbata R. G. Swinney 2011-4-26 14520 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 378 Comment
  RSA0119757  Avena barbata R. G. Swinney 2014-5-27 16669 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA650454  Avena barbata A. E. Hersh 1950-8-3 s.n. Los Angeles UCLA campus. curbstone Hilgard Ave. before Botanic Garden entrance 61 Comment
  RSA385412  Avena sativa Robert M. Perkins 1936-4-4 198 Los Angeles Arcadia. Comment
  RSA710386  Avena sativa LeRoy Gross 2005-5-3 2185 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. 1085 Comment
  RSA694980  Azolla filiculoides George R. Johnstone 1936-3-22 s.n. Los Angeles Soledad Comment
  IRVC28560  Baccharis douglasii A. C. Sanders 2003-8-6 27116 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  UCR106302  Baccharis salicifolia B. G. Pitzer 1996-5-5 2865 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  SDSU6388  Baccharis salicifolia subsp. salicifolia A. H. Gallup 1949-2-14 304 Los Angeles Lasca - north of lake. 152 Comment
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Apr 29 2015
  RSA423219  Bassia hyssopifolia F. R. Fosberg 1931-8-19 7287 Los Angeles Compton. Comment
  LA204056  Berberis nevinii John Thomas Howell; Martha Hilend 1930-5-11 sn Los Angeles San Fernando Valley Comment
  LA29174  Berberis nevinii Mary V. Hood; 1941-3-11 41- 16 k* Los Angeles San Gabriel Mountains, Lopez Canyon 457 Comment
  RSA788770  Berberis nevinii Mark Elvin, M. Wall 1997-3-5 362 Los Angeles San Gabriel Mountains, off Mount Baldy Road 0.3 miles S from intersection w/ [Padua Avenue], 50 m off road. Sandy alluvial wash. 534 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
  RSA177680  Beta macrocarpa R. F. Thorne, P. C. Everett 1965-5-11 34538 Los Angeles Santa Catalina Island. Shoreline along Catalina Harbor. Comment
  CATA1648  Beta vulgaris Mark L. Hoefs, Steven A. Junak 1998-6-12 2931 Los Angeles Santa Catalina Island: Hillside above Catalina Harbor 14 Comment
  UCR126597  Beta vulgaris A. C. Sanders, Mark Elvin 2003-8-7 27158 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  POM21358  Bidens laevis Fordyce Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom, near Los Angeles. Comment
  CDA6796  Bidens pilosa Phillipson 1915-6-12 Los Angeles Monrovia. Comment
  POM178034  Bidens pilosa Joseph A. Ewan 1931-5-11 4187 Los Angeles Throughly naturalized in vacant lot Ocean View Street. Comment
  UC1375444  Bloomeria crocea Gary D. Cromwell and David W. Wheat 1971-5-14 631 Los Angeles Mystic Canyon San Gabriel Mts., Angeles National Forest (se-facing slope w of canyon mouth, 2 mi ne of Glendora) 411 Comment
  POM246472  Bloomeria crocea var. crocea F. R. Fosberg 1931-4-10 689 Los Angeles Santa Catalina Island. Avalon Canyon 150 Comment
  RSA367324  Bloomeria crocea var. crocea Geo L. Moxley 1915-5-9 320 Los Angeles East of Occidental College Comment
  SBBG72391  Boechera arcuata R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  CAS-BOT-BC16088  Boechera californica George B. Grant 1902-5-5 s.n. Los Angeles Garvanza Arroyo Seco. Comment
  UCR189993  Boschniakia strobilacea R. G. Swinney 1998-6-16 6993 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCD56814  Bothriochloa barbinodis Tom Yutani 1968-5-24 s.n. Los Angeles La Mirada. Highway Garden Service. 15016 Leffingwell Road. La Mirada, CA 90638. Comment
  CAS-BOT-BC95429  Bowlesia incana Le Roy Abrams 1899-3-31 307 Los Angeles Santa Monica Mtns., Sepulveda Canyon Comment
  POM264692  Bowlesia incana L. C. Wheeler 1933-4-15 1637 Los Angeles San Gabriel Mountains: Foothills; W Live Oak Canyon. 488 Comment
  RSA526063  Bowlesia incana Steve Boyd, Tim Ross, L. Arnseth 1990-4-6 4162 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  UCR220090  Brachychiton populneum Fred M. Roberts, Ian Cain, Chezzy W. Brungraber 2010-5-3 7293 Los Angeles Los Angeles Basin, Montebello, southwest corner of Neil Armstrong Street and Paramount Blvd, just north of the Pomona Fwy 125 Comment
  CATA394  Brachypodium distachyon Mark L. Hoefs, A. Douglas Propst 1974-5-10 463 Los Angeles Santa Catalina Island: Lower Fern Canyon 213 Comment
  RSA385259  Brachypodium distachyon F. R. Fosberg 1931-5-22 S- 4964 Los Angeles Isthmus Harbor, Santa Catalina Island. 3 Comment
  UCR150828  Brassica geniculata R. G. Swinney, Dave Larson 1999-5-15 7148 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  RSA642373  Brickellia californica Keith C. Hughes 1960-10-3 218 Los Angeles San Antonio Canyon. Mt. Range San Gabriel. 762 Comment
  UCR108330  Brickellia californica L. C. Wheeler 1952-10-11 6373 Los Angeles San Rafael Hills, Chevy Chase Drive Comment
  CAS-BOT-BC106128  Brickellia nevinii Joseph Andorfer Ewan 1937-8-15 10958 Los Angeles Jct. West Fork with No. Fork San Gabriel River - San Gabriel Mts. 609 Comment
  UCR61565  Brickellia nevinii R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Glendora Wilderness Park, south of water tank, N end of Englewild Ave. 351 Comment
Read comments
Mar 30 2010
  UC589649  Bromus arizonicus Nell Murbarger 1936-3-1 56 Los Angeles San Clemente Island Comment
  RSA311352  Bromus carinatus var. carinatus R. F. Thorne, M. Z. Thorne 1969-7-10 38431 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood 1951 Comment
  RSA599944  Bromus carinatus var. carinatus L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  UCR271667  Bromus diandrus R. G. Swinney 2011-3-26 14220 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-BC155584  Bromus grandis LeRoy Abrams 1902-6-29 2600 Los Angeles Summit of Mount Wilson. Comment
  RSA573465  Bromus grandis Timothy S. Ross 1992-5-8 6301 Los Angeles Glendora Ridge Road; steep northerly slope draining NW to Cattle Canyon; ca. 1480 meters NE of Peacock Saddle. 1146 Comment
  RSA600086  Bromus grandis Steve Boyd, Lauren Raz 1997-5-20 9799 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UCR271238  Bromus hallii R. G. Swinney 2011-6-1 14966 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1073 Comment
  CATA843  Bromus hordeaceus Mark L. Hoefs 1991-6-26 1443 Los Angeles Santa Catalina Island: Upper Cape Canyon at Cape Canyon Reservoir 390 Comment
  POM113989  Bromus hordeaceus Marcus E. Jones 1936-4-26 s.n. Los Angeles Malibu Hills. Santa Monica Mountains. Comment
  POM7110  Bromus hordeaceus P. A. Munz, L. T. Street, G. Williams 1919-4-19 2484 Los Angeles Lone Hill, San Dimas. Comment
  PASA646  Bromus rubens Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA0113219  Bromus rubens R. G. Swinney 2011-3-26 14221 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. 476 Comment
  RSA628954  Bromus rubens L. C. Wheeler 1968-4-26 s.n. Los Angeles Saddle immediately east of Magic Mountain Comment
  RSA605435  Bromus sterilis L. C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, just above the upper falls, below the campground, E of windy gap. 1006 Comment
  CAS-BOT-BC161406  Bromus tectorum Timothy S. Ross; Victor W. Steinmann 1995-5-8 8554 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  UCR186939  Bromus tectorum A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32072 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, north of Hwy 138 and the California Aqueduct at the crossing of Oso Canyon 976 Comment
  UCSB18587  Bromus tectorum Daniel, Dick 1964-5-15 Los Angeles Mint Canyon Campground; US Hwy 6, 7.7 mi NE of junction of Mint Canyon Rd and CA Hwy 126 640 Comment
  CAS-BOT-BC438409  Calandrinia ciliata Dr. Barton W. Evermann 1918-3-1 s.n. Los Angeles Santa Barbara Isl. Comment
  LA82410  Calandrinia ciliata O. H. Kappler; 1941-2-9 81 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA569918  Calandrinia ciliata Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-29 4829 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna 1119 Comment
  RSA608644  Calandrinia ciliata L. C. Wheeler 1931-3-8 s.n. Los Angeles Fischer s, [Vicinity of Claremont]. Comment
  CATA136  Calandrinia menziesii Mark L. Hoefs, A. Douglas Propst 1973-3-14 102 Los Angeles Santa Catalina Island: Upper Cape Canyon 335 Comment
  RSA352849  Calocedrus decurrens L. E. Hoffman 1934-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest, Upper canyon toward Mt. Williamson Comment
  UCR210132  Calocedrus decurrens R. G. Swinney 2008-8-13 9379 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  LA22314  Calochortus albus Carl Epling; 1931-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA0066236  Calochortus albus Kay H. Beach 1942-5-29 636 Los Angeles Flumes 4 and 5, on hill across from cabin, San Dimas Experimental Forest. San Gabriel Mountains. Comment
  RSA68671  Calochortus catalinae Frank W. Peirson 1920-5-16 2146 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 457 Comment
  UC741287  Calochortus catalinae B. C. Templeton 1939-4-19 4587 Los Angeles Huntington Palisades Santa Monica Mountains Comment
  RSA68673  Calochortus clavatus var. gracilis Frank W. Peirson 1921-6-21 2468 Los Angeles West Fork of San Gabriel River. 686 Comment
  SBBG122015  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-28 748 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 570 Comment
  RSA641685  Calochortus invenustus Orlando Mistretta 1993-6-2 855 Los Angeles San Gabriel Mountains: Vicinity of Mt. Baden Powell. Near Vincent Gap above Vincent Gulch. 2011 Comment
  UCR51540  Calochortus kennedyi K. S. Kamrath 1988-5-28 s.n. Los Angeles San Gabriel Mtns., Big Pines Hwy (N4), 4 mi east of Valyermo 1524 Comment
  UCR146266  Calochortus palmeri var. palmeri Orlando Mistretta 1995-6-23 1870 Los Angeles Transverse Ranges; San Gabriel Mountains, head of Little Rock Creek c. 0.5 mile downstream from Alder Saddle 1509 Comment
  RSA0021462  Calochortus plummerae Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5068 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA377433  Calochortus splendens F. R. Fosberg 1931-5-12 S- 4852 Los Angeles Renton Pass, Santa Catalina Island. Comment
  SBBG94248  Calochortus splendens F. R. Fosberg 1931-5-7 4844 Los Angeles Sweetwater Cyn 160 Comment
  CAS-BOT-BC493409  Calochortus splendens R. C. Foster 1937-6-6 343 Los Angeles In Chaparral on upper portion of canon sides, Cobal Canon (foothills of San Gabriel Mts.), north of Claremont Comment
  SEINET3885359  Calochortus splendens Louis C. Wheeler 1947-6-13 6516 Los Angeles San Gabriel Mountains: Mesa south of San Antonio Canyon.; 0 Comment
  CHSC100398  Calyptridium monandrum John Dittes; Josephine Guardino 2008-2-23 1503 Los Angeles Western Transverse Ranges; Santa Gabriel Mtns.; Big Tujunga Cyn; ca. 2.4 air-miles SE of Mt. McKinley, ca. 4.3 air-miles NE of Mt. Gleason Jr. Highschool; near Delta Flat Picnic Area; alluvial terrace north of Big Tujunga Creek. 529 Comment
  SD187463  Calyptridium monandrum Valeria Soza, Laura Moore 2000-5-10 849 Los Angeles Verdugo Mountains, North side, Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park, Power road south of Verdugo Crestline Dr. 563 Comment
  UCR117221  Calyptridium monandrum B. G. Pitzer 1998-5-12 3695 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  UCR192866  Calyptridium parryi R. G. Swinney 1999-8-9 7606 Los Angeles San Gabriel Mtns., east end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  SDSU5652  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1967-3-19 317 Los Angeles San Clemente Island. Comment
  OBI63065  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-24 20000 Los Angeles San Gabriel Mts, foot of Mt. Baldy rd just N of Claremont; 600 Comment
  POM3537  Calystegia macrostegia subsp. arida Caroline S. Weinland s.n. Los Angeles Claremont. 366 Comment
  RSA0110841  Calystegia macrostegia subsp. arida R. G. Swinney 2011-4-26 14519 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
  UCSB45206  Calystegia macrostegia subsp. cyclostegia Batson, J. 1979-2-24 Los Angeles End of Trancas Canyon Road near Malibu, CA 91 Comment
  CAS-BOT-BC215751  Calystegia macrostegia subsp. intermedia Geo. B. Grant 1905-4-19 212 Los Angeles Garvanza Comment
  UC1794980  Calystegia macrostegia subsp. intermedia R. K. Brummitt 1998-5-24 20019 Los Angeles San Gabriel Mountains, San Gabriel Canyon between two dams 400 Comment
  UC450949  Calystegia macrostegia subsp. intermedia Fay A. MacFadden 1931-4-1 46 E Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon (Verdugo Hills, waste land and along roadsides) Comment
  UCR223536  Calystegia occidentalis subsp. fulcrata R. G. Swinney 2009-5-27 10906 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  SBBG8209  Calystegia peirsonii A. Parikh, N. Gale 1999-5-22 LA- 6 Los Angeles Rio Dulce site, S of Agua Dulce and Hwy 14, E of Agua Dulce Cyn Rd, N of Soledad Cyn 750 Comment
  SD186168  Calystegia peirsonii A. C. Sanders, Mark Elvin, et al. 2003-4-14 25967 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain. 351 Comment
  RSA712217  Calystegia peirsonii Andrea Warniment 2005-4-8 ADW- 004 Los Angeles Transverse Ranges; Castaic Lake region: Victoria Debris Basin, on lower slope in sage scrub habitat. 415 Comment
  RSA0080778  Camissonia bistorta R. G. Swinney 2010-4-13 12201 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon. 561 Comment
  POM3106  Camissonia bistorta O. W. Robinson 1916-3-16 s.n. Los Angeles Wash near 2nd St. Claremont. Comment
  RSA465669  Camissonia bistorta Ralph Hoffmann 1930-6-7 s.n. Los Angeles Elizabeth Lake Canyon. Comment
  RSA774255  Camissonia boothii R. G. Swinney 2009-5-12 10750 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
  RSA229105  Camissonia boothii subsp. decorticans Robert F. Thorne, C. W. Tilforth 1971-6-30 40742 Los Angeles San Gabriel Mountains, Angeles National Forest. dry bank along Big Rock Creek above Sycamore Flat 1402 Comment
  CAS-BOT-BC173253  Camissonia californica A. C. Sanders; Helen Kennedy 2005-4-13 29414 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0042038  Camissonia californica R. G. Swinney 2010-5-4 12484 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR260088  Camissonia campestris Mitch Provance, Callen Huff 2009-4-28 10706 A Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  UCR275022  Camissonia campestris Michael Honer, Rachel Woodard 2006-4-17 2190 B Los Angeles Tehachapi Mountains area, Oso Canyon; c. 1 mile north of Quail Lake; 1 mile west of cement plant road 1067 Comment
  RSA454713  Camissonia campestris subsp. campestris Robert Gustafson, Gary D. Wallace 1982-4-26 2525 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  RSA744644  Camissonia campestris subsp. campestris Roy R. Snelling 1977-3-19 14 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  UCR177526  Camissonia campestris subsp. campestris LeRoy Gross 2005-4-28 2134 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
  UCR127170  Camissonia hirtella A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26136 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCR230253  Camissonia hirtella Dan S. Cooper 2011-4-26 411- 4 A Los Angeles Los Angeles Basin/San Gabriel Mtns. Foothills, Sunland, Big Tujunga Wash, between 210 Fwy and Foothill Blvd. 358 Comment
  RSA449017  Camissonia intermedia Anstruther Davidson 1903-5-8 1378 Los Angeles Hollywood. Comment
  RSA506206  Camissonia pallida subsp. pallida Louis C. Wheeler 1967-5-12 9437 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA592184  Camissonia palmeri Louis C. Wheeler 1967-5-12 9449 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  POM155676  Camissonia robusta M. B. Dunkle 1928-5-13 1937 Los Angeles Wishbone Loop, Santa Catalina Island. 244 Comment
  UCR229156  Camissonia strigulosa Dan S. Cooper 2011-4-22 411- 48 Los Angeles San Fernando Valley, Sun Valley, on Tujunga Ave near Keswick Street 240 Comment
  UCR270947  Camissoniopsis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14326 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
  UCR276982  Camissoniopsis R. G. Swinney 2010-6-1 13155 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
  UCD103418  Camissoniopsis bistorta Gerald Dickinson 1962-4-1 5 Los Angeles Vanowen and Coldwater Canyon, San Fernando Valley. 232 Comment
  CAS-BOT-BC160442  Camissoniopsis cheiranthifolia subsp. suffruticosa John H. Thomas 1957-4-27 6679 Los Angeles Pt. Dume, about 18 miles due west of Santa Monica 60 Comment
  UC1211085  Camissoniopsis cheiranthifolia subsp. suffruticosa Huron H. Smith 1912-5-9 4952 Los Angeles beach Redondo Comment
  UC874077  Camissoniopsis hirtella I. W. Clokey and B. C. Templeton 1930-4-8 4691 Los Angeles San Francisquito Canyon 900 Comment
  UCSB72233  Camissoniopsis hirtella Gross, LeRoy 2003-5-23 Los Angeles Transverse Ranges; San Gabriel Mountains region: Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff (Chilao Flat 7.5Quad.: T3N R11W S3, SWl/4,SWl/4) 1799 Comment
  UC1537656  Camissoniopsis micrantha Gordon H. True Jr. 1938-6-22 883 Los Angeles near Bouquet Dam (roadside); Bouquet Canyon 609 Comment
  SEINET5344156  Camissoniopsis micrantha P. B. Kennedy 1904-4-21 s.n. Los Angeles Avalon, Catalin Island Comment
  SBBG61352  Camissoniopsis pallida R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna, near Acton Comment
  SBBG70069  Canbya candida Anstruther Davidson -Jun-1893 Los Angeles Lancaster Comment
  SFV14550  Cannabis sativa V. E. Rudd Nov 1983 3669 Los Angeles San Fernando Valley Los Angeles, Reseda. 225 Comment
  CAS-BOT-BC403903  Cannabis sativa Philip A. Munz 1955-11-5 21486 Los Angeles 1 1/2 blks. n. of Foothill Blvd. on Mills Ave., Claremont Comment
  SD69467  Cardamine californica Robert F. Thorne 1966-4-7 35962 Los Angeles Santa Catalina Island; at bottom of canyon, Cherry Valley. 60 Comment
  UC10412  Cardamine californica J. H. Barber 1897-1-17 18 Los Angeles Sullivan's Canyon Sullivan's Canyon (Southern California) Comment
  CAS-BOT-BC37899  Cardamine oligosperma A. R. Roos 1958-6-12 s.n. Los Angeles Evans & Reeves Nursery, Brentwood. West Los Angeles. Comment
  POM156368  Cardionema ramosissimum L. R. Abrams 1902-6-11 2517 Los Angeles Playa del Rey. Comment
  CDA6820  Carduus nutans subsp. leiophyllus George Garrettson 1954-6-24 Los Angeles San Vicente Ranch, Walnut. 0 Comment
  RSA594633  Carex alma Steve Boyd, Lauren Raz 1996-10-29 9122 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  RSA0127510  Carex alma Louis C. Wheeler 1967-7-18 10096 Los Angeles Yerba Buena Spring, Gold Creek of Little Tujunga [Canyon]. 1189 Comment
  RSA596222  Carex alma Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3399 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  UCR101729  Carex globosa L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mtns., NW slope of Smith Mtn, along the Bear Creek Trail 1250 Comment
  RSA364555  Carex phaeocephala I. M. Johnston 1917-7-4 1399 Los Angeles Baldy Summit. 3049 Comment
  CAS-BOT-BC118416  Carex praegracilis LeRoy Abrams 1901-4-8 1447 Los Angeles Los Angeles River near Tropico Comment
  CAS-BOT-BC174975  Carex praegracilis Timothy S. Ross; Steve Boyd 1994-7-7 8153 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982) 1018 Comment
  CAS-BOT-BC118404  Carex praegracilis Fay A. Mac Fadden 1934-3-20 12525 Los Angeles Culver City Marshland. Comment
  CAS-BOT-BC117928  Carex schottii Louis C. Wheeler 1936-6-21 4169 Los Angeles W. Fk. Palmer Canyon, San Gabriel Mts. 640 Comment
  UC72471  Carex senta W. H. Brewer 1861-2-19 218 Los Angeles near San Fernando Comment
  RSA719931  Carex spissa R. G. Swinney 1997-10-18 5884 Los Angeles Harrow Canyon above Gelndora c. 0.25 mi. N of Harrow Canyon Debris Basin 488 Comment
  UCR58758  Carex tumulicola F. C. Boutin 1967-4-23 1690 Los Angeles Channel Islands, east side of San Clemente Island, next major drainageway & canyon SE of Lemon Tank Comment
  LA210892  Carthamus lanatus Tarja Sagar; 2010-9-2 s.n. Los Angeles SANTA MONICA MOUNTAINS, Stunt Ranch, near buildings. Comment
  RSA187750  Castilleja affinis Robert F. Thorne 1966-4-5 35831 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  SD21274  Castilleja affinis Norman E. Bilderback 1938-4-16 Los Angeles Avalon, Santa Catalina Island Comment
  RSA250619  Castilleja affinis subsp. affinis Robert F. Thorne 1971-4-2 41407 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  LA103299  Castilleja applegatei subsp. martinii Barry A. Prigge; 1986-3-19 6934 Los Angeles SANTA MONICA MOUNTAINS, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  RSA584018  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd 1991-4-25 4605 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  JEPS16149  Castilleja applegatei subsp. martinii Rimo Bacigalupi 1952-8-9 3902 Los Angeles directly s and above Swartout Valley (near Guffey's Public Camp, Summit of Blue Ridge); San Gabriel Range, Angeles National Forest, Blue Ridge 2438 Comment
  POM98087  Castilleja applegatei subsp. martinii M. Hill 1925-4-27 s.n. Los Angeles San Antonio Canyon. San Antonio Mountains. 1067 Comment
  SBBG53203  Castilleja exserta S. A. Junak 1978-4-15 SCa 29 Los Angeles just W of Chester grave site on N side of Cherry Cove Comment
  UC998920  Castilleja exserta P. O. Schallert 1944-4-28 Los Angeles Monrovia Comment
  UCR124624  Castilleja exserta I. W. Clokey, B. C. Templeton 1929-1 4479 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR127905  Castilleja exserta A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26101 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
  LA51882  Castilleja exserta subsp. exserta Elizabeth Levine; sn Los Angeles SANTA MONICA MOUNTAINS, Point Dume Comment
  RSA400541  Castilleja foliolosa Blanche Trask 1901-03 s.n. Los Angeles Catalina Island. Comment
  RSA400551  Castilleja foliolosa Elbert Benjamine 1929-3-2 43 Los Angeles Dry hilltop, Tujunga Comment
  UC885189  Castilleja foliolosa I. W. Clokey and B. C. Templeton 1930-4-8 4721 Los Angeles San Francisquito Canyon 800 Comment
  RSA400574  Castilleja foliolosa Evelyn Dorio 1934-3-18 s.n. Los Angeles Mt. Wilson Trail. Comment
  UCR65558  Castilleja gleasoni Orlando Mistretta 1987-6-25 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest. Lightning Point Group campground, near the perimeter of the campground Comment
  RSA298669  Castilleja grisea D. C. Michener, M. Beauchamp 1982-9-26 4196 Los Angeles San Clemente Island, first terrace above Sun Rock, west of Pyramid Point, east of mouth of canyon SE of Guds. 15 Comment
  RSA350376  Castilleja grisea M. B. Dunkle 1939-4-2 7201 Los Angeles Southeast corner of San Clemente Island Comment
  RSA755450  Castilleja miniata R. G. Swinney 2008-10-7 9476 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  CSUSB909  Castilleja miniata R. D. Keys 1973-5-6 Los Angeles Angeles National Forest 1/4 mile below Falling Springs Resort, San Gabriel Canyon Road, Angeles National Forest; on rock face 10 feet above road. 1219 Comment
  RSA747170  Castilleja minor subsp. spiralis Orlando Mistretta 1992-6-23 606 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  RSA641299  Castilleja plagiotoma Orlando Mistretta, R. T. Hawke 1995-6-29 1863 Los Angeles San Gabriel Mountains: Lightening Ridge Trail, Blue Ridge. Comment
  RSA600414  Caulanthus amplexicaulis Steve Boyd, Lauren Raz 1997-4-30 9633 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
  SBBG72105  Caulanthus amplexicaulis var. amplexicaulis R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  SBBG72110  Caulanthus coulteri R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  RSA597771  Caulanthus coulteri var. coulteri Steve Boyd, Lauren Raz 1997-3-14 9183 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  CAS-BOT-BC40221  Caulanthus lasiophyllus Louis C. Wheeler 1932-4-1 546 Los Angeles San Jose Hills at Pomona. 304 Comment
  OBI4112  Caulanthus lasiophyllus J. P. Broughton and K. K. Muller, K. K. Muller 1971-4-2 1353 Los Angeles Between Palmdale and Lancaster Comment
  CAS-BOT-BC47766  Ceanothus David Dreyer 1967-2-19 s.n. Los Angeles San Gabriel River canyon 426 Comment
  CAS-BOT-BC47904  Ceanothus arboreus Brandegee 1889-5-1 14 Los Angeles Santa Catalina Island Comment
  CATA464  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Santa Catalina Island: Ridge between Johnson's Valley and Howland's Valley 121 Comment
  LA88640  Ceanothus arboreus Robert F. Thorne; P. C. Everett 1965-6-22 34850 Los Angeles Santa Catalina Island, Renton Mine area 243 Comment
  POM158003  Ceanothus arboreus M. B. Dunkle 1928-2-12 1706 Los Angeles Santa Catalina Island. Hamilton Canyon. 396 Comment
  RSA650508  Ceanothus cordulatus T. C. Thomas 1974-7-5 s.n. Los Angeles Divide, Hwy 2, 7100'. 2165 Comment
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Mar 10 2015
  RSA706405  Ceanothus cordulatus Tim Thibault, K. E. Olshewsky 2004-5-23 301 Los Angeles Mt. Waterman, along Hwy. 2 at fire road 2055 Comment
  RSA580973  Ceanothus crassifolius Catherine A. Mish 1995-3-9 22 Los Angeles Santa Monica Mts., Hollywood Reservoir. 250 Comment
  RSA593002  Ceanothus crassifolius Steve Boyd, Orlando Mistretta 1996-5-1 8732 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Young Canyon along the Pacific Crest Trail. 854 Comment
  CAS-BOT-BC48876  Ceanothus cuneatus Henry J. Thompson 1959-3-22 1869 Los Angeles Lobo Canyon 1 mile west of Malibu Lake 274 Comment
  CAS-BOT-BC49262  Ceanothus cuneatus C. F. Baker 1904-2-17 4010 Los Angeles Claremont Comment
  RSA164759  Ceanothus cyaneus Wesley O. Griesel 1963-5-17 784 Los Angeles About 1/4 mi southeast of Devil's gate Dam Pasadena 366 Comment
  UCR182562  Ceanothus greggii Sharon Dougherty 2007-3-6 s.n. Los Angeles San Gabriel Mtns., Sycamore Flat and slopes of Johnstone Peak, San Dimas Experimental Forest, proposed communication site 854 Comment
  RSA95403  Ceanothus integerrimus F. W. Peirson 1919-6-14 729 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1707 Comment
  RSA399752  Ceanothus leucodermis F. R. Fosberg 1931-3-1 S- 4229 Los Angeles Topanga Canyon, Wildwood, Santa Monica Mountains. 220 Comment
  UCR223478  Ceanothus leucodermis R. G. Swinney 2009-5-28 10939 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA399108  Ceanothus megacarpus Ora M. Clark 1929-2-3 1497 Los Angeles Topanga Canyon. Comment
  SD208595  Ceanothus megacarpus Peter H. Raven 1962-5-9 17704 Los Angeles San Clemente Island; just north of Gray. 366 Comment
  CATA197  Ceanothus megacarpus var. insularis Mark L. Hoefs, A. Douglas Propst 1973-4-6 174 Los Angeles Santa Catalina Island: Mt. Black Jack, northeast exposure 518 Comment
  POM246611  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-5-6 S 4826 Los Angeles Cape Canyon. Santa Catalina Island. 280 Comment
  UCR3985  Ceanothus oliganthus Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  RSA399742  Ceanothus oliganthus var. oliganthus Albert J. Perkins 1920-3-20 s.n. Los Angeles San Gabriel Mts. Millards Canyon. Comment
  UC1070902  Ceanothus oliganthus var. oliganthus A. D. Gifford 1934-4-25 166 Los Angeles 1/2 mi ne Castro Pk.; Triunfo Pass quad. 762 Comment
  UC1071164  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-2-17 289 Los Angeles Pico Canyon Santa Susana quad. 640 Comment
  LA32022  Ceanothus spinosus Peter H. Raven; Henry J. Thompson 1959-4-3 13918 Los Angeles 822 Comment
  UC535518  Ceanothus spinosus Ira W. Clokey, B. Templeton Mar 1929 4438 Los Angeles Mandeville Canyon, Santa Monica Mountains 76 Comment
  UCR223807  Ceanothus vestitus R. G. Swinney 2009-6-17 11163 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  SEINET10899705  Cedrus deodara David B. Dunn 1939-10-18 Dunn UMO 46519 Los Angeles Male branch from the Park near Santa Monica Blvd and Wilshire Blvd. Young female cones from a tree along Sunset Blvd, near Beverly Hill Hotell. 213 Comment
  UCD129952  Centaurea cineraria Robert F. Thorne; P. Everett 1974-2-7 33443 Los Angeles Avalon, Santa Catalina Island. Comment
  LA202288  Centaurea cyanus Arthur C. Gibson; 2005-6-25 5035 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy. opposite Seminole Drive. Comment
  UCR148835  Centaurea diluta T. C. Fuller 1963-6-26 10713 Los Angeles Ball field in SE corner of Imperial and Success Aves., Watts. district, Los Angeles 26 Comment
  RSA723071  Centaurea melitensis LeRoy Gross 2007-5-16 2739 Los Angeles Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near 273 Comment
  RSA151321  Centaurea melitensis Peter H. Raven 1962-7-11 17988 Los Angeles Canyon N of station Nanny, N of Lemon Tank, San Clemente Island Comment
  UC934032  Centaurea melitensis H. L. Cogswell 1951-5-18 102 Los Angeles 0.6 mi n of San Dimas Park; San Gabriel Mountains 457 Comment
  RSA164783  Centaurea repens Brian C. Miller, W. Griesel 1963-7-2 s.n. Los Angeles Old Ridge Rte btwn Violin Summit & Reservoir Lookout. 1067 Comment
  UC878344  Centaurium davyi L. W. Nuttall 609 Los Angeles Santa Catalina Island Comment
  UC55744  Centrostegia thurberi var. thurberi J. Burtt Davy May 9 1896-May 24 1896 2317 Los Angeles Antelope Valley, Llano Verde, at Mr. Bell's Antelope Valley; , Llano Verde Comment
  CAS-BOT-BC388298  Cerastium glomeratum Munz; Street; Williams 1919-4-5 2468 Los Angeles Puddingston Canon [Canyon], Sam Dimas Comment
  SEINET179643  Cercocarpus betuloides Victor Duran 1933-8-10 3544 Los Angeles South Fork Rock Creek San Gabriel Mts. 1394 Comment
  CAS-BOT-BC142137  Cercocarpus betuloides var. betuloides Carl Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  CAS-BOT-BC142175  Cercocarpus betuloides var. betuloides Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon [Canon] - San Gabriel Mts. Comment
  UC1127860  Cercocarpus betuloides var. betuloides A. D. Gifford 1935-3-15 449 Los Angeles 1 1/2 mi ene of Whitaker Peak (Angeles National Forest); Angeles National Forest 1066 Comment
  CAS-BOT-BC142126  Cercocarpus betuloides var. betuloides George B. Grant 1901-1-1 158 Los Angeles Pasadena Angoz - Coast Range Comment
  CATA1784  Cercocarpus betuloides var. blancheae Benjamin E. Carter, John Clark 2012-8-9 6962 Los Angeles Santa Catalina Island: Bulrush Canyon, between reservoirs and Salta Verde turnoff 270 Comment
  RSA213335  Cercocarpus betuloides var. blancheae Reid V. Moran 1941-2-28 649 Los Angeles Santa Catalina Island. Head of Johnson's Canyon 350 Comment
  CAS-BOT-BC143818  Cercocarpus ledifolius var. ledifolius H. E. McMinn 1926-7-22 1792 Los Angeles Mt. San Antonio, Bear Flat Trail Comment
  CAS-BOT-BC143821  Cercocarpus ledifolius var. ledifolius Le Roy Abrams; E. A. McGregor 1908-7-3 616 Los Angeles North Baldy Mountain, San Gabriel Mountains 2438 Comment
  SEINET3162161  Cestrum elegans G. B. Grant 1906-3-15 159 Los Angeles Pasadena Comment
  LA209799  Chaenactis artemisiifolia J. Sauer; Stephanie Hedges 1978-5-27 6037 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, High ridge in park Comment
  UCR124432  Chaenactis artemisiifolia I. W. Clokey, B. C. Templeton 1929-1 4489 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA94394  Chaenactis fremontii F. W. Peirson 1921-5-19 2409 Los Angeles Little Rock Creek: N slope of San Gabriel Mountains 960 Comment
  SD40451  Chaenactis glabriuscula Edith A. Purer 1931-4-9 Los Angeles El Segundo Comment
  RSA620656  Chaenactis glabriuscula var. glabriuscula B. Pitzer 1998-5-23 3738 Los Angeles Western Transverse Range Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UC149135  Chaenactis glabriuscula var. glabriuscula LeRoy Abrams 1902-6-9 2503 Los Angeles edges of sand-dunes, Playa del Rey Playa del Rey Comment
  UCR256251  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-3-22 12083 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  POM14744  Chaenactis glabriuscula var. glabriuscula Joseph Clemens 1922-5-30 s.n. Los Angeles Base of Mt. Wilson Comment
  RSA182740  Chaenactis glabriuscula var. glabriuscula J. Massey 1966-4-22 1239 Los Angeles 1.5 miles NW of Hwy 19 on Escondido Canyon Road, 14 miles NNW of Palmdale 945 Comment
  CAS-BOT-BC277527  Chaenactis glabriuscula var. lanosa F. W. Peirson; Alice Ottley 1920-5-3 2121 Los Angeles Little Tujunga Wash at road crossing, San Gabriel Mts. 335 Comment
  RSA0008383  Chaenactis glabriuscula var. orcuttiana William Jones 2010-4-12 BOE- 1439 Los Angeles Ballona Lagoon, west bank- between Outrigger and Privateer Streets, Venice 2 Comment
  RSA729664  Chaenactis santolinoides R. G. Swinney 1998-7-2 6254 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA595470  Chaenactis stevioides L. C. Wheeler 1967-5-12 9477 Los Angeles San Gabriel Mountains. ca. 1/2 way between Hunt Canyon and Soledad Canyon at Vincent. 1158 Comment
  UCR261873  Chaenactis xantiana Tim Thomas, P. J. MacKay 2014-4-24 6270 C Los Angeles Tehachapi Mountains, 2 miles east of Gorman on Gorman Post Rd. 1549 Comment
  RSA0115077  Chamaesyce Steven A. Junak 2000-10-12 SCa- 1414 Los Angeles Santa Catalina Island. Middle Canyon, along N side of Thompson Reservoir, NW side of reservoir. 204 Comment
  JEPS51898  Chamaesyce maculata Geo. B. Grant 1904-9-2 427 Los Angeles Pasadena Comment
  JEPS60011  Cheilanthes covillei Joseph Ewan 1937-5-30 7207 Los Angeles Mill Creek near junction of North Fork Tujunga Creek 914 Comment
  RSA250670  Cheilanthes covillei R. F. Thorne, A. C. Gibson, J. P. Simon, D. J. McGillivray 1970-4-17 39505 Los Angeles edge of Angeles National Forest in Grandview Canyon, ca. 5 mi. S of Hwy 138, ca. 10 mi. SE of Pearblossom. 1432 Comment
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Oct 13 2010
  RSA533941  Cheilanthes newberryi T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5221 Los Angeles San Clemente Island. South-east end of island in the vicinity of Knob, 5100 feet NW of Guds. 271 Comment
  UCR277206  Chenopodium R. G. Swinney 2010-9-30 13952 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  RSA0072134  Chenopodium M. A. Savatgy 1966-5-10 s.n. Los Angeles San Raphael Hills. 60 Comment
  UC2030069  Chenopodium album Joseph Marlowe Keefe 2001-1-19 30905 Los Angeles Intersection of Upperton Avenue, Buena Vista Terrace and Nolden Street; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, CA 90042. Los Angeles County. Comment
  UCR186400  Chenopodium ambrosioides T. B. Salvato, Sarah Flack 2007-8-8 3044 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  RSA802337  Chenopodium atrovirens Orlando Mistretta, Christine Mistretta 2011-7-6 5920 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  RSA0042126  Chenopodium berlandieri Nancy Hamlett 2014-7-3 s.n. Los Angeles Bernard Field Station; Area known as the East Field, appox. 10 m north of Foothill Blvd. fence and appox. 10 m east of entry drive. 370 Comment
  RSA0082962  Chenopodium berlandieri R. G. Swinney 2010-4-23 12355 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR194011A  Chenopodium berlandieri R. G. Swinney 1998-8-21 6777 Los Angeles San Gabriel Mtns., Cow Canyon, upper NE fork, north of Cow Canyon Rd., c. 0.7 mi. NW of Cow Canyon Saddle 1402 Comment
  UCR273385  Chenopodium berlandieri R. G. Swinney 2011-10-18 15814 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA478445  Chenopodium berlandieri var. sinuatum F. R. Fosberg 1931-7-12 S 5388 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  SBBG94258  Chenopodium californicum F. R. Fosberg 1931-3-18 428 Los Angeles Hamilton Cyn 10 Comment
  CATA888  Chenopodium californicum Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1702 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  RSA533921  Chenopodium californicum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5240 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  RSA478527  Chenopodium multifidum George B. Grant 1901-06 1800 Los Angeles [Unspecified] Comment
  RSA703514  Chenopodium murale Michael Honer 2004-6-22 2022 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  RSA12396  Chenopodium murale C. B. Wolf 1934-4-11 5608 Los Angeles Bryant Ranch E. of Long Beach on mesa. 100 ft. NE of concrete mon. 1864.92 ft. so. of NW corner of section. 15 Comment
  RSA423239  Chenopodium murale Robert Gustafson 1981-4-29 2211 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA512052  Chenopodium pumilio L. C. Wheeler 1967-5-13 9512 Los Angeles new little used road on rocky gray clay in sun, vicinity of abandoned lemon grove on mesa between Little Dalton Canyon and Engelwild Canyons 381 Comment
  UCR138905  Chenopodium strictum var. glaucophyllum L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mtns, Mountain Brook Ranch 1159 Comment
  POM50604  Chimaphila menziesii L. R. Abrams 1901-7-10 1891 Los Angeles San Gabriel Mountains: Wilson's Peak Comment
  RSA0076019  Chorizanthe coriacea R. G. Swinney 2010-4-1 12132 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
  UCR126776  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns., Newhall Ranch, ridge c. 900 m SW of 'Airport Mesa 366 Comment
  UCR222986  Chorizanthe perfoliata R. G. Swinney 2009-5-5 10641 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  CAS-BOT-BC244652  Chorizanthe staticoides G. B. Grant 1904-6-17 s.n. Los Angeles Altadena Comment
  CAS-BOT-BC244722  Chorizanthe staticoides Ralph Hoffmann 1930-5-19 s.n. Los Angeles Mint Canyon, 4 miles east of Oaks Garage Comment
  IRVC28992  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch N end of Santa Susana Mtns. 366 Comment
  POM121987  Chorizanthe staticoides Marcus E. Jones 1902-6-28 s.n. Los Angeles Pasadena. Comment
  RSA11366  Chorizanthe staticoides C. Epling 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA65268  Chorizanthe staticoides F. W. Peirson 1921-5-20 5342 Los Angeles Little Rock Creek 1067 Comment
  SD186291  Chorizanthe staticoides Andy C. Sanders 2005-5-5 29872 Los Angeles Western San Gabriel Mtns, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint 518 Comment
  SD46365  Chorizanthe staticoides Darley F. Howe 1956-7-1 2551 Los Angeles Near San Fernando, San Gabriel Mts. Comment
  UCR256187  Chrysolepis sempervirens R. G. Swinney 2010-9-23 13879 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  IRVC28848  Chrysothamnus nauseosus Mark A. Elvin, Cathleen Weigand 2003-4-8 2456 Los Angeles Newhall Ranch, flats S of confluence of Hasley Canyon with Castaic Creek Santa Clarita Valley 297 Comment
  UCD150956  Chrysothamnus viscidiflorus D. S. Park 2010-4-26 41 Los Angeles Ranch Santa Ana Botanic Garden 401 Comment
  POM18107  Cirsium occidentale var. californicum P. A. Munz 1923-5-25 6814 Los Angeles Big Rock Creek, San Gabriel Mts. Wash among willows. 1280 Comment
  UCR270927  Cirsium occidentale var. californicum R. G. Swinney 2011-6-14 15124 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCSB7235  Cirsium occidentale var. californicum Haller, Norman 1953-5-17 Los Angeles Topanga Canyon 1 1/2 miles North of Topanga Shopping Center, Santa Monica Mts. 320 Comment
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Jul 1 2011
  POM53538  Cirsium occidentale var. occidentale C. F. Baker 1904-5-6 4842 Los Angeles Hills near Pomona Comment
  UCR260332  Cirsium vulgare R. G. Swinney 2010-5-4 12545 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA660880  Cistanthe maritima Orlando Mistretta 1992-4-5 143 Los Angeles Guds, San Clemente Island. Comment
  UCR206498  Cistus ladanifer A. C. Sanders, T. B. Salvato 2009-5-19 36832 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
  POM50320  Clarkia bottae L. R. Abrams 1901-6-4 1713 Los Angeles Los Tunas Canyon. Comment
  RSA17079  Clarkia bottae Carl B. Wolf 1936-5-27 7833 Los Angeles Indian Canyon Camp, 2 mi off Soledad Canyon 915 Comment
  SFV5496  Clarkia bottae W. A. Kelley Apr 1967 s. n. Los Angeles Santa Monica Mountains Studio City near Laurel Canyon. Comment
  RSA73317  Clarkia cylindrica subsp. cylindrica F. W. Peirson 1922-6-3 771 Los Angeles North slope of Liebre Mts. 1220 Comment
  UCSB4357  Clarkia dudleyana Nowell, J. 1958-5-16 Los Angeles Mint Canyon; 91/2 mi. from Solemint on HWY 6 Comment
  CAS-BOT-BC163717  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1932-5-13 3624 Los Angeles Santa Catalina Island. 3 1/2 mi. (by road) from Avalon on way to Isthmus 365 Comment
  POM3111  Clarkia purpurea subsp. viminea J. F. Illingworth 1898-06 39 Los Angeles Claremont Canyon. 610 Comment
  JEPS43822  Clarkia rhomboidea Frank W. Peirson 1920-6-10 2161 Los Angeles trail by Mt. Markham; San Gabriel Mountains 1645 Comment
  IRVC29103  Clarkia unguiculata A. C. Sanders 2003-6-20 26999 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  JEPS57331  Clarkia unguiculata L. R. Heckard 1968-5-11 1844 Los Angeles 1.3 mi below Newhall junction (along Highway 6, se of Newhall) 518 Comment
  LA45498  Clarkia unguiculata Harvey Anderson; Carl Epling 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  LA45500  Clarkia unguiculata Harvey Anderson; Carl Epling, Lincoln Ellison 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UCSB51886  Clarkia unguiculata Love, Milton 1967-5-12 Los Angeles South side of Cold Canyon Road, 1.2 miles east of its junction with Puma Road, Santa Monica Mountains 304 Comment
  CHSC108910  Claytonia parviflora R. G. Swinney 2009-4-28 10542 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma 1596 Comment
  UCR223516  Claytonia parviflora R. G. Swinney 2009-6-8 11075 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
  UCR252556  Claytonia parviflora R. G. Swinney 2010-5-11 12670 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  SFV16100  Claytonia parviflora J. M. Kneitel 1995-4-9 25 Los Angeles San Gabriel Mountains Angeles Forest Highway, 3.5 miles north of junction with Angeles Crest Highway. 915 Comment
  RSA679884  Claytonia parviflora subsp. viridis LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 844 -a Los Angeles East side of Punchbowl Canyon. 1585 Comment
  RSA0087861  Claytonia perfoliata R. G. Swinney 2010-6-21 13288 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
  UCR147788  Claytonia perfoliata Valerie Soza, Et al. 2000-6-28 1040 Los Angeles San Gabriel Mountains, Northwestern extension of Pine Mountain, 0.1 mi east of jct. with Rincon Red Box Road (FSR 2N24.2) and road to Pine Mountain (FSR 2N24A) along fire road 1280 Comment
  CAS-BOT-BC439912  Claytonia perfoliata subsp. intermontana C. F. Baker 1904-4-22 4726 Los Angeles Monrovia Comment
  RSA466717  Claytonia perfoliata subsp. mexicana M. Bisbee 1917-5-27 s.n. Los Angeles Near Verdugo road, Verdugo Canyon Comment
  SDSU9787  Claytonia perfoliata subsp. perfoliata A. H. Gallup 1949-3-17 344 Los Angeles Lasca- common along drainage areas. 152 Comment
  RSA126749  Clematis lasiantha Peter H. Raven, Henry J. Thompson 1959-4-3 s.n. Los Angeles North slope near summit of Saddle Peak. 838 Comment
  RSA247432  Clematis lasiantha Jack Delaini 1974-5-9 178 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest 762 Comment
  RSA650471  Clematis lasiantha Shlomo Gat 1959-03 16 Los Angeles Mount Baldy. Comment
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Nov 17 2013
  UC853899  Clematis lasiantha Ira W. Clokey, B. Templeton May 1929 4545 Los Angeles Santa Monica Mts., Mandeville Canyon 300 Comment
  UCR179265  Clematis lasiantha R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  RSA386249  Clematis ligusticifolia Edwin Kline 1924-8-31 s.n. Los Angeles San Fernando Valley 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
  RSA229096  Collinsia callosa Robert F. Thorne, C. W. Tilforth 1971-6-30 40766 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek c. 0.3 mile below Alder Saddle 1616 Comment
  UCR138844  Collinsia heterophylla L. C. Wheeler 1967-5-18 9621 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  CAS-BOT-BC240958  Collinsia parryi H. E. Hasse 1893-6-3 s.n. Los Angeles Newhall Comment
  LA104164  Collinsia parryi T. Thomas; April 1981 323 Los Angeles SANTA MONICA MOUNTAINS, Stokes Canyon, at ranger's residence. 228 Comment
  UCR191525  Collinsia torreyi R. G. Swinney 1998-7-8 6339 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  RSA639724  Collinsia torreyi var. wrightii Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  UCR179488  Colutea arborescens R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mountains, Glendora Wilderness Park, in Big Dalton Canyon. 1.6 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 473 Comment
  POM158333  Comarostaphylis diversifolia subsp. planifolia M. B. Dunkle 1928-3-4 1712 Los Angeles Santa Catalina Island, Orizaba canyon 290 Comment
  UCR119529  Commelina benghalensis L. C. Wheeler 1947-4-7 6462 Los Angeles Los Angeles Basin region; San Gabriel Valley, Rio Hondo at Garvey Blvd., 1 mi west of El Monte 70 Comment
  SEINET8129022 Image available Conium maculatum L. C. Wheeler 1933-1 1916 Los Angeles Edge of Salix-Populus jungle, Lexington Wash near El Monte Comment
  SBBG107236  Constancea nevinii J. Rebman, J. Dunn 1996-4-29 3112 Los Angeles between Eel Cove and Eel Cove Cyn 50 Comment
  SDSU4110  Constancea nevinii R. M. Beauchamp 1967-3-17 258 Los Angeles East of Date 2 storage area, south east of Wilson Cove, San Clemente Island. Comment
  UCR131449  Convolvulus arvensis Alison Lipman 1998-6-25 s.n. Los Angeles South Coastal Plains Region, Portuguese Bend, Rancho Palos Verdes 152 Comment
  RSA394794  Convolvulus arvensis E. S. Spalding 1925-4-26 s.n. Los Angeles Arroyo Seco Comment
  RSA398346  Convolvulus simulans Anstruther Davidson 2337 Los Angeles Bromholly Hill, Hollywood Comment
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Nov 12 2014
  SEINET4676056  Cordylanthus filifolius Keith Dobry 1991-6-27 d 780 Los Angeles Santa Monica Mountains at Soka University northeast section. 1 mile east of Las Virgenes Road off Mulholland Hwy.; 0 Comment
  LA211894  Cordylanthus nevinii Orlando Mistretta; 1992-8-20 769 Los Angeles SAN GABRIEL MOUNTAINS, Mt Gleason Management Unit., Mt Gleason. Tujunga Ranger District. Comment
  CDA41354  Cordylanthus rigidus subsp. setiger Phillipson 1915-7-9 13 .1.A Los Angeles Monrovia. Comment
  LA97399  Cordylanthus rigidus subsp. setiger Kei Nakai; 1976-7-7 TCSP 2 21 76 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon State Park, ca 0.5 mi due N from the windmill. Comment
  RSA599578  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-25 9305 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA765196  Coreopsis bigelovii Justin M. Wood 2010-5-10 1599 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  UCR90813  Coreopsis californica A. C. Sanders, G. K. Helmkamp 1996-3-24 18017 Los Angeles Mojave Desert, 240th Street. E, just north of Ave. 'O' & 4.7 mi south of Ave. 'J', 1 km NE of Moody Springs. 877 Comment
  SEINET11837047  Coreopsis calliopsidea J. F. Bright 1935-1 1007 Los Angeles Antelope Valley Comment
  CAS-BOT-BC101007  Coreopsis gigantea H. A. Thomas; J. H. Thomas 1954-3-27 484 Los Angeles West Zuma Beach, 8 miles east of Ventura - Los Angeles Co. line Comment
  RSA16865  Coreopsis gigantea C. B. Wolf 1932-5-14 s.n. Los Angeles Between Avalon and Pebbly Beach, Santa Catalina Island. 30 Comment
  UC55130  Coreopsis gigantea J. H. Barber 1898-3-7 372 Los Angeles Point Duma Comment
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Feb 20 2015
  CAS-BOT-BC105701  Corethrogyne filaginifolia Geo. L. Moxley 1916-9-4 514 Los Angeles Eaton Canyon [Canon] Comment
  POM356121  Corethrogyne filaginifolia H. E. Hasse 1899-7-30 s.n. Los Angeles Bluffs near Ballona Comment
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Jul 18 2010
  POM356141  Corethrogyne filaginifolia Wm Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  UCR277231  Corethrogyne filaginifolia R. G. Swinney 2010-10-5 13970 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  POM48100  Corethrogyne filaginifolia var. filaginifolia I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  POM57996  Corethrogyne filaginifolia var. filaginifolia L. R. Abrams 1904-9-2 4123 Los Angeles Elysian Park. Comment
  UCR205573  Coronopus didymus R. G. Swinney 2008-5-30 8878 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
  SD125358  Coronopus didymus Robert F. Thorne 1973-4-11 42726 Los Angeles Rancho Santa Ana Botanic Garden; Claremont. 365 Comment
  RSA579284  Cortaderia selloana Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7424 -A Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive; San Pedro 7.5' USGS quadrangle., Near 33?44'22''N 118?20'45''W 177 Comment
  RSA591674  Cortaderia selloana L. C. Wheeler 1966-9-21 8881 Los Angeles Angeles National Forest: San Gabriel Canyon, 1/3 mile inside mouth 244 Comment
  CDA21782  Cotula australis L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  UC485351  Cotula coronopifolia I. Johnston May 1917 1027 Los Angeles El Monte 82 Comment
  RSA423422  Crassula argentea Robert Gustafson 1981-3-26 2145 Los Angeles Ballona Wetlands, Area 1. Comment
  UCR220193  Crassula colligata subsp. lamprosperma R. G. Swinney 2009-4-7 10302 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
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Jul 11 2016
  RSA250639  Crassula connata R. F. Thorne 1971-4-2 41414 Los Angeles Johnson's Pasture, N. of Mountain Avenue, Claremont 549 Comment
  RSA772893  Crassula connata LeRoy Gross 2011-3-28 5436 Los Angeles Claremont McKenna College, along N. Mills Ave., north of E 6th. street. Claremont. Near the Athletic department. 375 Comment
  SBBG37879  Crassula connata R. Moran 1941-2-19 568 Los Angeles Middle Ranch Comment
  RSA423442  Crassula connata var. erectoides L. C. Wheeler 1934-3-29 2485 Los Angeles Sepulveda Canyon, Santa Monica Mountains. 183 Comment
  RSA670040  Crassula tetragona Joseph M. Keefe 2001-3-16 31102 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  CAS-BOT-BC427962  Crassula tillaea Steve Boyd 2003-1-17 10442 Los Angeles Los Angeles Basin region: Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. 177 Comment
  SD212576  Crassula tillaea A. C. Sanders 2003-3-14 25775 Los Angeles San Gabriel Valley; long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irindale Ave. and south of Foothill Blvd, north edge of 210 Freeway east of the San Gabriel River channel. 159 Comment
  SD232222  Crocanthemum scoparium Valerie 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. Comment
  CAS-BOT-BC175838  Crossosoma californicum Tim Ross 1993-4-22 6881 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 1000 m ESE of Cactus Peak summit 446 Comment
  CAS-BOT-BC181572  Crossosoma californicum James R. Shevock 1975-3-23 4046 Los Angeles North side of Orizaba Peak in the vicinity of Black Jack Campground - Santa Catalina Island 457 Comment
  CATA1462  Crossosoma californicum Mark L. Hoefs, Robert F. Thorne 1996-4-6 2646 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  SBBG30356  Crossosoma californicum R. N. Philbrick 1968-2-23 B 68 -6 Los Angeles Little Fisherman Cove Comment
  UCR141446  Crossosoma californicum June Latting, Bibb Latting 1975-3-23 s.n. Los Angeles Channel Islands, Santa Catalina Island, Black Jack Mountain 610 Comment
  UC1130368  Croton californicus A. D. Gifford 1934-5-15 244 Los Angeles Dume Point Triunfo Pass Quadrangle (on Plot #100) Comment
  UCR26459  Crypsis schoenoides A. C. Sanders 1981-9-12 2339 Los Angeles Mojave Desert, Edges of the large marsh at the W end of Rosamond Dry Lake 694 Comment
  UCD59970  Crypsis vaginiflora Frank W. Gould 1944-6-17 2349 Los Angeles Rosecrans Ave. just west of Western Ave. Comment
  RSA763225  Cryptantha barbigera Justin M. Wood 2010-5-10 1591 Los Angeles San Gabriel Mountains: Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  RSA772100  Cryptantha barbigera R. G. Swinney 2009-5-20 10853 -A Los Angeles Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  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
  CAS-BOT-BC189518  Cryptantha circumscissa var. circumscissa 1906-6-15 6691 Los Angeles Summit, Mount Wilson 1828 Comment
  CAS-BOT-BC189521  Cryptantha circumscissa var. circumscissa Roxana S. Ferris 1918-6-12 937 Los Angeles 5 miles S of Lancaster Comment
  LA204177  Cryptantha circumscissa var. circumscissa Carl Epling; May 1925 sn Los Angeles Mint Canon Comment
  UC78567  Cryptantha clevelandii LeRoy Abrams 1903-3-14 3139 Los Angeles near Malaga Cove (San Pedro hills); San Pedro Hills Comment
  POM246606  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 4350 Los Angeles Hamiltons Canyon, Santa Catalina Island 30 Comment
  RSA0013553  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2011-6-23 5747 Los Angeles SCE Power Line Road on ridgeline between Gleason Cyn and Beartrap Cyn, 1.3 air miles N of Mt. Gleason Rd. 1591 Comment
  RSA0076103  Cryptantha intermedia Scott D. White 1998-6-10 6714 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  RSA612076  Cryptantha intermedia Valerie L. Soza 1998-4-26 65 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 411 Comment
  UCSB5600  Cryptantha intermedia B., K. 1943-6-15 Los Angeles Weather station on Johnstone Peak, west of San Dimas Canyon, San Gabriel Mtns. 975 Comment
  RSA0075633  Cryptantha intermedia var. johnstonii T. S. Ross, Orlando Mistretta 1993-5-27 7322 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  RSA709538  Cryptantha microstachys A. C. Sanders 2003-4-29 26163 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  RSA733132  Cryptantha microstachys R. G. Swinney 1998-7-30 6596 Los Angeles San Gabriel Mtns.: lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  SD248350  Cryptantha microstachys R. G. Swinney 2010-8-30 13610 Los Angeles San Gabriel Mountains: East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Garieleno Trail to 0.5 mile upstream. 594 Comment
  SBBG63768  Cryptantha microstachys E. Rockwell -Mar-1920 39 Los Angeles Holly Springs Cyn, Hollywood 304 Comment
  LA94317  Cryptantha muricata A. M. Johnson; 1932-5-30 4094 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA0034449  Cryptantha muricata L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground 1433 Comment
  UCR129933  Cryptantha muricata Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1110 Los Angeles San Gabriel Mountains, Santiago Canyon, ridge on the W edge of Santiago Canyon watershed north of Forest Road 4N20 1372 Comment
  UCR205231  Cryptantha muricata R. G. Swinney 2008-5-2 8727 A Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR205620  Cryptantha muricata R. G. Swinney 2008-5-12 8827 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA0020987  Cryptantha muricata var. muricata Orlando Mistretta, Christine Mistretta 2011-7-1 5893 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA0079626  Cryptantha muricata var. muricata Orlando Mistretta 1994-4-12 1005 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1006 Comment
  RSA0119544  Cryptantha nevadensis var. rigida R. G. Swinney 2014-4-30 16259 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
  RSA617199  Cryptantha nevadensis var. rigida L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR99357  Cryptantha nevadensis var. rigida Steve Boyd, Lauren Raz 1997-4-16 9527 Los Angeles San Gabriel Mtns., NW end of range, Peace Valley due south of the junction of Interstate 5 and Hwy 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service Road 8N01. 960 Comment
  RSA756794  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2008-4-21 2510 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  UCR208134  Cryptantha oxygona F. W. Peirson 1921-6-15 2463 Los Angeles San Gabriel Mtns., trail from Pine Flats to Chilao Comment
  RSA0079329  Cryptantha pterocarya var. purpusii Barry Burnell 1970-4-24 187 Los Angeles San Gabriel Mts.: 3.2 miles south of Highway 138 on N4. 1371 Comment
  RSA725832  Cryptantha simulans R. G. Swinney 1997-6-25 5651 Los Angeles San Gabriel Mtns.: west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  UCR101258  Cryptantha simulans L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, south side of Devil's Cyn. 1402 Comment
  SEINET10625753  Cucumis melo Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2509 Los Angeles City of Pasadena. Good Food Market, 1864 E. Washington. Comment
  RSA682605  Cupressus arizonica Valerie Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabrield Mountains region: Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena. 915 Comment
  UCR178171  Cupressus guadalupensis var. forbesii LeRoy Gross 2002-2-23 480 Los Angeles Los Angeles Basin; Verdugo Mountains, Along Beaudry North Mountainway (dirt road) from bottom of Deer Creek to the main crest of the Verdugo Mtns 549 Comment
  PASA2336  Cupressus sempervirens Nora Serruirer Los Angeles Altadena Comment
  CAS-BOT-BC224475  Cuscuta californica Le Roy Abrams 1902-7-5 1560 Los Angeles Azusa Comment
  RSA724719  Cuscuta californica K. Dobry 1991-6-24 d- 773 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  RSA409681  Cuscuta californica Freda Detmers 1929-11-23 s.n. Los Angeles El Segundo. Comment
  RSA0051618  Cuscuta indecora Lee Haines 1950-07 s.n. Los Angeles Lancaster-Antelope Valley. Comment
  RSA0011357  Cuscuta subinclusa Orlando Mistretta, Youssef Atallah 2011-8-12 6016 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  RSA127865  Cuscuta subinclusa P. H. Raven, Henry J. Thompson 1958-10-11 13757 Los Angeles Saddle Peak, Santa Monica Mountains. 823 Comment
  UCR177772  Cuscuta subinclusa LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 395 Los Angeles Vedugo Mountains, Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  SD111591  Cycladenia humilis var. venusta Wayne P. Armstrong 1982-6-27 Los Angeles On steep ridge just below summit of Mt Baden Powell 2745 Comment
  UCD98527  Cycloloma atriplicifolium Henson - Goodwin 1932-7-6 s.n. Los Angeles Exact location unknown. Comment
  SEINET8481397 Image available Cylindropuntia echinocarpa R. G. Swinney 2009-11-13 11605 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert; confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  RSA365096  Cyperus niger var. capitatus H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  RSA365105  Cyperus niger var. castaneus Anstruther Davidson 1890-1 s.n. Los Angeles [Los Angeles?] River. Comment
  RSA365110  Cyperus odoratus Anstruther Davidson 1889-05 s.n. Los Angeles E. Los Angeles. Comment
  RSA365130  Cyperus squarrosus F. R. Fosberg, Joseph A. Ewan 1931-8-11 s 5500 Los Angeles Crystal Lake, N. fork San Gabriel Canyon, San Gabriel Mts. 1600 Comment
  UCR150858  Cystopteris fragilis R. G. Swinney 1999-8-16 7666 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  RSA587983  Cystopteris fragilis Orlando Mistretta, Timothy S. Ross 1994-6-1 1291 Los Angeles San Gabriel Mountains, Santiago Canyon, Pacifico Mountain, near top of Santiago Canyon 1930 Comment
  RSA670677  Cytisus linifolius B. C. Templeton 1939-4-7 657 Los Angeles Scool playground, Los Angeles. Comment
  CAS-BOT-BC198207  Cytisus striatus R. Leen 1987-5-29 s.n. Los Angeles Tujunga Canyon along Highway 210 between Tuna Canyon Road and Lowell Avenue Comment
  SD233691  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand, et al 2002-8-6 25552 Los Angeles Santa Clara river Valley: north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons. 274 Comment
  UCR142702  Datura stramonium L. C. Wheeler 1933-12-12 2323 Los Angeles Transverse Ranges; San Gabriel Mountains, behind San Dimas Canyon Dam 412 Comment
  RSA596703  Datura wrightii Steve D. Boyd, Lauren Raz 1996-9-24 8929 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
  RSA0124084  Datura wrightii Louis C. Wheeler 1967-7-18 10101 Los Angeles Little Tujunga Canyon at Gold Creek Road. 488 Comment
  CATA226  Daucus pusillus Mark L. Hoefs, A. Douglas Propst 1973-5-4 216 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon 243 Comment
  OBI69296  Daucus pusillus John Knapp, Denise Knapp 2003-5-10 47 Los Angeles Catalina Island. 367768.01N x 3696275.43 488 Comment
  UC1587698  Daucus pusillus Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-18 5188 Los Angeles at westerly of the 2 earthen dams Twin Dams; San Clemente Isl., Twin Dams 473 Comment
  UC1714545  Daucus pusillus Peter H. Raven 1962-5-7 17586 Los Angeles gully just above coast 1 mi. s. Wilson Cove (San Clemente Isl.); San Clemente Isl. 22 Comment
  CAS-BOT-BC130912  Deinandra clementina Katharine Brandegee s.n. Los Angeles Santa Catalina Id. Comment
  SBBG11604  Deinandra clementina P. H. Raven 1962-5-7 17575 Los Angeles Wilson Cove 45 Comment
  SD69621  Deinandra clementina Robert F. Thorne, P. Everett 1965-5-11 34588 Los Angeles Santa Catalina Island;rocky bluff at north side of north cove of Little Harbor. Comment
  UC1215240  Deinandra clementina Peter H. Raven 1962-4-9 17152 Los Angeles near barracks, Wilson Cove San Clemente Island, Wilson Cove 60 Comment
  SBBG105379  Deinandra fasciculata H. L. Ferguson 1979-6-12 4 Los Angeles San Clemente Island 215 Comment
  UC89082  Deinandra fasciculata M. K. Curran 1885-7-1 Los Angeles Downey Comment
  POM151043  Delphinium cardinale C. F. Baker 1903-6-22 5068 Los Angeles Claremont. Comment
  UC906484  Delphinium glaucum A. Nesta Dunn 1935-8-12 Los Angeles Guffys Spring San Gabriel Mts., Blue Ridge (hillside cienega) 2560 Comment
  UC2026432  Delphinium parishii Louis C. Wheeler 1975-6-8 s.n. Los Angeles SAN GABRIEL MOUNTAINS: ca. 1 mile E of mouth of little Tujunga Canyon. Comment
  UCR238986  Delphinium parishii subsp. parishii Anuja Parikh 2010-5-24 3215 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 5.4 km west of State Hwy 14, 1.9 km southwest of California Aqueduct 1105 Comment
  RSA398714  Delphinium parryi Reid V. Moran 1941-3-2 667 Los Angeles North of Wilson's Harbor, Santa Catalina Island. Comment
  RSA398734  Delphinium parryi Anstruther Davidson 1892-06 s.n. Los Angeles Los Angeles. Comment
  RSA654437  Delphinium parryi subsp. parryi Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 983 b Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, above Brace Canyon, W of junction with Stough Canyon Mtwy. 610 Comment
  CAS-BOT-BC116261  Delphinium parryi subsp. parryi John Gill Lemmon 1888-5-1 S.N. Los Angeles Santa Catalina Mountains Comment
  UC569959  Delphinium parryi subsp. purpureum A. Simontacchi 1935-5-26 41 Los Angeles 2 1/4 miles Southeast of Neenach 1066 Comment
  JEPS60628  Delphinium patens subsp. montanum Frank W. Peirson 1921-7-3 2479 Los Angeles Pinon Ridge San Gabriel Mountains (e end) 2286 Comment
  CHSC3676  Dendromecon rigida Mary Mae Arthur 1966-5-26 33 Los Angeles Switzers camp- San Gabriel Mts. 914 Comment
  OBI71767  Dendromecon rigida Tony Simon 1994-4-30 12 Los Angeles San Gabriel Mts. Big Tujunga Cyn Rd. 6 mi past jctn with Angeles Crest hwy- trl on left of road 762 Comment
  RSA0091340  Dendromecon rigida R. G. Swinney 2011-5-12 14691 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  RSA580739  Dendromecon rigida Tim S. Ross, S. D. Boyd 1994-5-25 7930 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  UC112875  Dendromecon rigida C. F. Baker 1904-4-4 4150 Los Angeles Claremont Comment
  UC9980  Dendromecon rigida H. P. Chandler 1897-5-4 Los Angeles Claremont 304 Comment
Read comments
Jul 21 2010
  POM369375  Descurainia obtusa subsp. adenophora F. R. Fosberg 1931-8-11 S 5487 Los Angeles Crystal Lake, N. fork San Gabriel Canyon, San Gabriel Mts. 1600 Comment
  UC1234805  Desmazeria rigida Peter H. Raven 1962-5-22 17826 Los Angeles Santa Catalina Island, near mouth of Cherry Canyon Cherry Canyon; Santa Catalina Island, Cherry Canyon 60 Comment
  RSA0053868  Dicentra chrysantha R. G. Swinney 2010-4-20 12296 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA737101  Dicentra chrysantha Scott D. White, Justin M. Wood 2008-10-7 12548 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  UC575009  Dichelostemma capitatum E. Lloyd 1933-3-2 Los Angeles Temescal Canyon Santa Monica Mts. Comment
  UCR223501  Dichelostemma capitatum R. G. Swinney 2009-5-28 10949 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 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
  SFV5522  Dichelostemma capitatum W. A. Kelley May 1969 s. n. Los Angeles Santa Susana Mountains Santa Susana Pass. Chatsworth. Comment
  LA200923  Dichelostemma capitatum subsp. capitatum Sharon Johnston; 1957-3-13 9 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  RSA376839  Dichelostemma capitatum subsp. capitatum Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  UCR150927  Dichelostemma capitatum subsp. capitatum Valerie Soza, LeRoy Gross 1999-5-10 462 Los Angeles San Gabriel Mountains, foothills above San Dimas, between Morgan and Wildwood Canyons 457 Comment
  UCR281633  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2014-6-5 16716 Los Angeles San Gabriel Mountains, Glendora, 0.53 mile north of jct. of Rainbow Drive and Sierra Madre Ave., at south base of ridge 463 Comment
  RSA652066  Dichelostemma capitatum subsp. capitatum Calvin Lohman 1948-5-20 sn Los Angeles 3.5 miles SW of San Dimas. 237 Comment
  RSA702217  Dieteria canescens var. canescens Scott D. White 2004-8-11 10695 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
Read comments
Aug 24 2013
  SBBG15831  Diplacus X australis W. G. Webb 1935-3-5 s.n. Los Angeles unknown Comment
  CAS-BOT-BC150646  Diplacus longiflorus W. I. Follett; E. B. Follett 1966-4-28 s.n. Los Angeles North Fork of San Gabriel River 12.7 miles north (by road) of Azusa Comment
  CAS-BOT-BC150650  Diplacus longiflorus E. L. Greene 1885-5-16 s.n. Los Angeles All Saints' Bay Comment
  SBBG106915  Distichlis spicata M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-25 2429 Los Angeles lower Buffalo Springs Reservoir 426 Comment
  RSA286657  Draba corrugata var. corrugata R. F. Thorne, Larry E. DeBuhr 1974-6-28 44780 Los Angeles near Lily Spring on N slope of Mt. Hawkins 2377 Comment
  RSA628805  Drymocallis glandulosa var. glandulosa Scott D. White, David E. Bramlet 1998-6-29 6834 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. [Correct TRS should be 3N, 9W] 1707 Comment
  RSA85787  Drymocallis glandulosa var. wrangelliana F. W. Peirson 696 Los Angeles Laurel Canyon Comment
  LA210523  Dryopteris arguta Barbara Joe; 1952-1-7 sn Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon Comment
  RSA0025906  Dryopteris arguta Justin M. Wood 2012-3-20 4638 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  SBBG128361  Dryopteris arguta B. E. Carter 2012-8-23 6994 Los Angeles below and W of Airport Rd N of of Middle Ranch Rd 370 Comment
  SEINET3871644  Dryopteris arguta Scott D. White 2004-7-28 10652 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'the Pines' picnic area, immediately S of Angeles Forest Hwy, ca 0.5 mi W of jtn. with Angeles Crest Hwy. Condor Peak.; 0 976 Comment
  LA200388  Dudleya caespitosa Kei Nakai; 1978-4-9 357 Los Angeles 27 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
  UC1015362  Dudleya cymosa subsp. ovatifolia Reid Moran 1948-5-28 3079 Los Angeles 2.3 mi above mouth of Topanga Canyon (cliffs on e side of canyon opposite roadside spring) Comment
  RSA587043  Dudleya cymosa subsp. pumila Orlando Mistretta 1994-5-10 1694 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. West Fork. 1585 Comment
  RSA613504  Dudleya cymosa subsp. pumila L. C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1220 Comment
  UCR124644  Dudleya densiflora B. C. Templeton, I. W. Clokey 1936-5-18 5660 Los Angeles San Gabriel Mountains, San Gabriel Canyon, from 0.5 mi. below dam to 1.0 mi. above 488 Comment
  RSA598225  Dudleya hassei James C. Dice, M. Donoghue 1983-5-20 347 Los Angeles Santa Catalina Island. Hamilton Cove, on slope above road to beach, .25 km NW of Lower Windsock. 61 Comment
  UC933287  Dudleya lanceolata Reid Moran 1946-5-30 2065 Los Angeles 2 mi above Coldbrook Guard Station (Soldier Canyon) 1158 Comment
  UC933322  Dudleya virens E. K. Balls 1949-5-11 13468 Los Angeles in Botanic Garden RSABG (material originally collected by Wolf on Santa Catalina Island, Fourth of July Canyon) Comment
  UCD98815  Dysphania multifida Louis C. Wheeler 1947-4-13 8936 Los Angeles San Gabriel Mountains: Ridge on south side of Millard Canyon. 640 Comment
  UCR104095  Echinochloa crus-galli Scott D. White 1997-5-21 5193 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  UCR59476  Echinochloa crus-galli 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
  RSA737116  Echinodorus berteroi Justin M. Wood 2008-10-11 182 Los Angeles San Jose Hills, Bonelli Regional Park, cove on west side of Puddingstone Reservoir. 299 Comment
  CDA2015  Ehrharta erecta A. C. Sanders, Dan Malueg 2001-5-17 24345 Los Angeles Los Angeles Basin; Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned Comment
  UCR239213  Ehrharta erecta Pamela Conway, LeRoy Gross 2010-12-27 1 Los Angeles Transverse Ranges; San Gabriel Mtns., Little Santa Anita Canyon; short distance west from the old Mt. Wilson toll road, along trail to Orchard Camp 395 Comment
  UCR247276  Eleocharis palustris Dan S. Cooper 2013-7-29 713- 38 Los Angeles South Coast, Torrance; vacant lot just SW if Crenshaw Blvd. and East 208th St. intersection 23 Comment
  RSA550378  Eleocharis parishii Timothy S. Ross 1992-7-10 6667 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  CAS-BOT-BC112217  Eleocharis rostellata Robert F. Thorne; M. Z. Thorne 1967-7-19 37175 Los Angeles Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  UCR130503  Eleusine indica R. E. Riefner Jr. 2003-10-5 03- 450 Los Angeles San Gabriel Mtns./S.G.Valley, City of Pasadena, Rose Bowl, Arroyo Blvd. and Seco St. 252 Comment
  CAS-BOT-BC208522  Elymus Rev. J. C. Nevin 1904-1-1 s.n. Los Angeles Unspecified Comment
  CAS-BOT-BC227504  Elymus elymoides Victor Duran 1933-7-9 3506 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  SEINET10564688  Elymus elymoides Adolph D. E. Elmer Elmer 4166 Los Angeles Acton. Comment
  RSA587089  Elymus elymoides subsp. elymoides Orlando Mistretta, Steve Boyd 1995-5-23 1727 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1372 Comment
  RSA3544  Elymus glaucus C. B. Wolf 1932-5-9 3488 Los Angeles At 2nd group of mine workings in left (east) fork of Pebbly Beach Canyon, Santa Catalina Island. 244 Comment
  POM359945  Elymus multisetus T. W. Minthorn 1925-5-30 s.n. Los Angeles Palmdale ? Comment
  UCR273149  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-6 14609 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  OBI69366  Encelia californica John Knapp, Denise Knapp 2002-11-27 9 Los Angeles Santa Catalina Island 3 Comment
  UCR56324  Encelia californica Bill Wagner 1989-3-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., c. 1/2 mi. south of Hwy 101 & 1/2 mi. west of Kanan Rd (N9), vicinity of Ladyface Peak. 457 Comment
  SBBG71689  Enemion occidentale R. Hoffmann 1931-4-28 335 Los Angeles upper Bouquet Cyn Comment
  RSA252878  Ephedra nevadensis Robert F. Thorne 1973-5-11 43538 Los Angeles Little Rock Creek [San Gabriel Mountains] 1037 Comment
Read comments
Apr 5 2012
  RSA552388  Ephedra nevadensis D. Charlton 1991-4-18 5181 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  RSA728298  Ephedra nevadensis G. D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1953 Los Angeles Fort Tejon Road Comment
  RSA383899  Ephedra viridis B. C. Templeton 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  RSA607562  Epidendrum obrienianum Louis C. Wheeler 1965-1-15 8652 Los Angeles Los Angeles: Kerckhoff Estate, University of Southern California, 734 W. Adams Blvd. Comment
  POM17792  Epilobium canum subsp. latifolium P. A. Munz 1923-9-1 7710 Los Angeles Swartout Valley, San Antonio Mtns. 2351 Comment
  RSA293437  Epilobium canum subsp. latifolium Reino Alava, R. C. Bacigalupi 1958-7-20 2208 Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Highway (California Highway N 2), Kratka Ridge (upper slopes of Little Rock Creek Canyon) about 1 mile west of Cedar Springs. 2073 Comment
  UCR271133  Epilobium canum subsp. latifolium R. G. Swinney 2011-10-10 15725 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  RSA747979  Epilobium ciliatum R. G. Swinney 2001-8-27 8122 Los Angeles San Gabriel Mtns.: Windy Spring, 0.3 mi. NW of Little Jimmy Campground. 2256 Comment
  UCR210265  Epilobium ciliatum R. G. Swinney 2008-8-13 9376 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  SBBG131548  Epilobium ciliatum subsp. ciliatum S. A. Junak 1999-7-16 SCa 1055 Los Angeles lower part of Cottonwood Cyn, below waterfall 12 Comment
  RSA589069  Epilobium densiflorum Orlando Mistretta 1994-6-6 1333 Los Angeles San Gabriel Mts: Little Rock Creek. Slopes on E side of canyon S of jct. of Forest Service roads 4N15 and 5N04.3. 1433 Comment
  RSA630356  Epilobium densiflorum R. E. Riefner Jr. 1999-1 99 -305 Los Angeles Elizabeth Lake. N ridge on River drive, Southern end Antelope Valley. Comment
  RSA304261  Epipactis gigantea James R. Shevock 1970-4-24 150 Los Angeles May Canyon, San Gabriel Mountains. 549 Comment
  RSA381698  Epipactis gigantea Geo L. Moxley 1915-5-30 235 Los Angeles Scholl's Canyon, San Rafael Hills Comment
  SEINET6050814  Equisetum arvense Unknown 1946-10-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC57320  Equisetum laevigatum I. Johnston 1917-5-13 27 V Los Angeles El Monte 106 Comment
  RSA0073365  Equisetum laevigatum R. G. Swinney 2010-3-16 11960 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  UCR177699  Equisetum laevigatum L. C. Wheeler 1933-10-7 2167 Los Angeles Transverse Ranges; San Gabriel Mountains, Liveoak Canyon 762 Comment
  POM9737  Equisetum laevigatum F. W. Peirson 1920-5-12 2133 Los Angeles El Monte Comment
  SBBG31233  Equisetum telmateia subsp. braunii R. F. Thorne with P. C. Everett 1965-6-23 Los Angeles lower portion of Middle Ranch Cyn 91 Comment
  UCR147702  Eragrostis cilianensis L. C. Wheeler 1967-8-8 10374 Los Angeles Transverse Ranges; San Gabriel Mts region, Angeles National Forest: Loomis Ranch, Alder Creek 1311 Comment
  UCR25092  Eragrostis mexicana subsp. virescens Alfred R. Roos 1939-6-8 7381 Los Angeles Burbank, N. Hollywood Comment
  SBBG71519  Eremalche exilis R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  RSA0034378  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10009 F 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
  RSA0107950  Eriastrum densifolium subsp. austromontanum T. S. Ross 1991-8-16 5860 Los Angeles San Gabriel Mountains, Horse Flats. 1721 Comment
  RSA0107979  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-7-14 134 Los Angeles San Gabriel Mtns.: Big Tujunga Creek (upper Tujunga Valley), in center of wash, 400m north of western end of Wentworth St. in city of Sunland. 378 Comment
  RSA0117603  Eriastrum pluriflorum subsp. pluriflorum Sarah J. J. De Groot, Janelle De Groot 2005-6-8 5040 Los Angeles Along Hungry Valley Road, 0.7 mile west of Interstate 5 and just south of intersection with Smokey Bear Road. Canada de los Alamos. 868 Comment
  RSA0118101  Eriastrum rosamondense Sarah J. J. De Groot 2005-5-19 4976 Los Angeles Antelope Valley, along Avenue G between 30th and 40th Streets. 702 Comment
  JEPS123275  Eriastrum sapphirinum David Gowen 2005-5-21 347 Los Angeles Hwy 138 (West Ave. D) west of Lancaster. Sandy soil at the SW corner of the intersection with 210th St. West Comment
  RSA0121262  Eriastrum sapphirinum subsp. dasyanthum Geo L. Moxley 1917-5-30 s.n. Los Angeles Eagle Rock. Comment
  RSA0122096  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1949-6-18 4191 Los Angeles San Gabriel Wash 366 Comment
  RSA589248  Ericameria cooperi Timothy S. Ross 1991-4-28 4742 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UC129109  Ericameria cooperi var. cooperi H. M. Hall and H. P. Chandler 1906-6-11 7389 Los Angeles near Lancaster Comment
  SBBG62602  Ericameria cuneata C. M. Hoak, M. N. Ackley 1930-12-7 195 Los Angeles Big Tujunga Lake 609 Comment
  CAS-BOT-BC286760  Ericameria cuneata var. cuneata Fordyce Grinnell, Jr. 1916-9-20 s.n. Los Angeles Mt. Waterman - San Gabriel Mts. - near Pasadena 2590 Comment
  RSA608229  Ericameria cuneata var. cuneata L. C. Wheeler 1946-9-1 6332 Los Angeles San Gabriel Mountains: West Fork San Gabriel Canyon, 0.1 mile upstream from confluence with North Fork. Comment
  RSA0039053  Ericameria nauseosa R. G. Swinney 2009-11-16 11649 Los Angeles Big Rock Wash, 1.2 miles south of Pallett Creek Rd. & Valyermo Rd. junction, 50 m west of Valyermo Rd. 1079 Comment
  UCR239978  Ericameria nauseosa R. G. Swinney 2009-11-16 11636 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  CAS-BOT-BC298892  Ericameria nauseosa var. bernardina Charles F. Richter 1920-9-1 s.n. Los Angeles Big Pine Flat above Cold Brook, San Gabriel Mts Comment
  CHSC20915  Ericameria palmeri var. pachylepis Robert A. Schlising 1971-10-28 3006 Los Angeles Lopez Canyon, north of Pacoima. Comment
  RSA616537  Ericameria palmeri var. pachylepis Scott D. White 1995-10-19 3715 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  SBBG62870  Ericameria palmeri var. pachylepis R. Hoffmann 1928-6-27 Los Angeles ca. 2 mi S of Castaic Comment
  UCR273160  Ericameria parishii R. G. Swinney 2011-10-18 15845 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  POM359449  Ericameria parishii var. parishii Chris Hernie 1946-10-18 s.n. Los Angeles Chilao spur off Angeles Crest Hwy, near Charlton Flats Comment
  SBBG17793  Erigeron bonariensis P. H. Raven 1962-5-8 17616 Los Angeles barracks area, Wilson Cove 76 Comment
  POM355840  Erigeron bonariensis Robert Gustafson 1980-8-29 1867 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  UCR179972  Erigeron breweri R. G. Swinney 1996-8-7 5216 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  POM357480  Erigeron divergens Anstruther Davidson 1910-07 2508 Los Angeles Hollywood Comment
  UC1375424  Erigeron divergens R. F. and M. Z. Thorne 1969-7-10 38407 Los Angeles just e Big Pines Ranger Station; San Gabriel Mts., Angeles National Forest 2072 Comment
  RSA748457  Erigeron foliosus R. G. Swinney 2001-8-18 8063 Los Angeles Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge. 2250 Comment
  SBBG94228  Erigeron foliosus var. foliosus F. R. Fosberg 1931-7-9 5361 Los Angeles Avalon 50 Comment
  RSA0105393  Erigeron foliosus var. stenophyllus Henry J. Ramsey, Henry J. Ramsey 1937-8-29 970 Los Angeles Altadena. 396 Comment
  SEINET3146649  Erigeron pumilus var. intermedius M. E. Jones 1897-6-18 sn Los Angeles Chat. [perhaps Chatsworth in Los Angeles Co.?] 1524 Comment
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Dec 18 2015
  UCR273202  Erigeron sumatrensis R. G. Swinney 2011-10-25 15888 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  HSC13530  Eriodictyon crassifolium C. E. Fellows 1965-4-15 27 Los Angeles 1 mile NW of Sunland city limits where Hwy. 118 crosses Tujunga Wash Comment
  CAS-BOT-BC189109  Eriodictyon crassifolium var. crassifolium Elmer I. Applegate 1927-2-28 4994 Los Angeles Ridge Road near summit of Tejon Pass, northern county Comment
  RSA0091115  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA569837  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4871 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UC127210  Eriodictyon crassifolium var. nigrescens H. M. Hall and H. P. Chandler 1906-6-12 7400 Los Angeles San Francisquito Canyon 914 Comment
  UC1871136  Eriodictyon crassifolium var. nigrescens T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4871 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  CAS-BOT-BC188947  Eriodictyon parryi F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mount Wilson, San Gabriel Mountains 1794 Comment
  RSA664092  Eriodictyon trichocalyx Marianne Marshall 1981-4-26 10 Los Angeles 1.0 mi N of fire station, East Fork of San Gabriel River on Hiking trail. Comment
  IRVC28633  Eriogonum Mark A. Elvin 2003-6-19 2949 Los Angeles hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch Western Transverse Range 366 Comment
  RSA749657  Eriogonum baileyi var. baileyi R. G. Swinney 2005-8-5 8362 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy. 1561 Comment
  RSA597195  Eriogonum baileyi var. baileyi Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3722 Los Angeles San Gabriel Mountains, Pinyon Ridge: eastern half of the ridge, directly N of Fenner Canyon. 1939 Comment
  RSA601142  Eriogonum baileyi var. baileyi Louis C. Wheeler 1966-10-23 9054 Los Angeles San Gabriel Mountains. Kentucky Springs. Comment
  RSA393104  Eriogonum brachyanthum Roy R. Snelling 1977-9-26 s.n. Los Angeles 2 miles south of Pearblossom 1067 Comment
  RSA680177  Eriogonum brachyanthum Scott D. White 2003-6-8 9503 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  SBBG61918  Eriogonum cinereum J. Ewan 1929-6-22 Los Angeles Roger's Cyn 144 Comment
  UCR241700  Eriogonum cinereum Dan S. Cooper 2012-9-6 912- 72 Los Angeles Los Angeles Basin, Culver City, Baldwin Hills Scenic Overlook 129 Comment
  RSA775873  Eriogonum cithariforme Orlando Mistretta, Christine Mistretta 2010-5-26 5208 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  RSA65966  Eriogonum cithariforme var. agninum Joseph A. Ewan 1930-10-22 3426 Los Angeles Bouquet canyon, 4 miles above mouth. Comment
  RSA393166  Eriogonum cithariforme var. cithariforme Anstruther Davidson 1905-10 1453 Los Angeles Santa Monica Hills west of [Encino?] Road Comment
  RSA0022259  Eriogonum davidsonii Duncan S. Bell, Caitlin Elam 2013-8-1 5549 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  RSA570167  Eriogonum davidsonii Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4819 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA766335  Eriogonum davidsonii Joseph A. Ewan, Nesta Ewan 1933-7-23 7829 Los Angeles Barley Flats Trail to Tejunga Creek. San Gabriel Mts. 1220 Comment
  RSA305709  Eriogonum fasciculatum Mark Hoefs 1973-7-13 351 Los Angeles Santa Catalina Island. Between airport and Escondido. Southeast side of Main Rd. 267 Comment
  RSA655592  Eriogonum fasciculatum A. C. Sanders 1999-11-20 23282 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln and Aliso Cyn watersheds. 610 Comment
  SEINET13203218 Image available Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-1 15860 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  LA52261  Eriogonum fasciculatum var. foliolosum Carl Epling; M. Epling 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA393414  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1930-10-22 3427 Los Angeles Bouquet canyon, 4 miles above mouth. Comment
  RSA393461  Eriogonum fasciculatum var. foliolosum M. B. Dunkle 1933-7-11 3646 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  UCR273394  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2011-3-18 14140 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UC1211165  Eriogonum giganteum Huron H. Smith 1912-7-2 5170 Los Angeles White's Beach Landing Santa Catalina Isl., White's Beach Landing 7 Comment
  JEPS56930  Eriogonum gracile var. gracile Ralph Hoffmann 1930-6-7 Los Angeles Elizabeth Lake Canyon Comment
  UCR159917  Eriogonum gracile var. gracile Orlando Mistretta 1992-9-4 793 Los Angeles San Gabriel Mountains, Yerba Buena Trail; Tujunga Ranger District 1433 Comment
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Sep 6 2009
  SEINET3237750 Image available Eriogonum heermannii R. G. Swinney 1999-8-16 7635 Los Angeles San Gabriel Mtns.; Grandview Canyon, c. 1/4 mile north of All Nations Camp and Big Pines Highway. 1732 Comment
  CAS-BOT-BC261173  Eriogonum heermannii var. heermannii Elmer I. Applegate 1931-11-8 7003 Los Angeles 5 miles east of Little Rock, Big Rock Creek Ranger Station, Big Rock Creek, north base of San Gabriel Mts. Comment
  SBBG61817  Eriogonum maculatum R. Hoffmann 1929-5-20 Los Angeles W Mojave Desert Comment
  RSA579570  Eriogonum nudum var. westonii Tim S. Ross, S. D. Boyd 1994-9-20 8242 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  CHSC113757  Eriogonum ordii Sandy Leatherman; Pam DeVries 2011-4-28 2011 -8 Los Angeles Los Angeles County. Transverse Ranges; Liebre Mountains region: Directly north of Esguerra Road, 1500 meters from Bouquet Canyon Road in Santa Clarita. Alt.: 491m/1610ft. UTM Zone 11S; 366107. 08E 3814909.99N. Comment
  RSA782635  Eriogonum parishii Elizabeth A. Kempton, Eric Paul 2006-8-5 420 Los Angeles San Gabriel Mountains Region, along Hwy. 2 at mile marker 59.0, 1.2 mile west of Krafka Ski Ridge Resort, 2 miles E of Buckhorn Flat campground 1998 Comment
  SBBG127043  Eriogonum parishii A. Parikh, N. Gale 2011-7-5 3533 Los Angeles rd to Barley Flats, 3.5 km W of Shortcut Station, 1.1 km N of St Hwy 2; San Gabriel Mtns 1683 Comment
  UCR190903  Eriogonum parishii R. G. Swinney 1998-7-2 6231 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA529904  Eriogonum parishii Tim S. Ross 1991-8-16 5811 Los Angeles San Gabriel Mountains: Angeles Crest Highway, just above Chilao Creek. 1671 Comment
  SFV12275  Eriogonum pusillum M. L. Vincent, L. Swade 1964-4-2 472 Los Angeles San Gabriel Mountains Valyermo Road, about 200 m (1/8 mile) north of Pallett Road. 1085 Comment
  RSA424903A  Eriogonum saxatile H. E. Hasse, Anstruther Davidson 1906-6-1 1615 Los Angeles Big Rock Creek. Comment
  RSA229110  Eriogonum saxatile Robert F. Thorne, C. W. Tilforth 1971-6-30 40743 Los Angeles San Gabriel Mountains, Angeles National Forest: ca. 0.5 mi. N of Chilao Station on W slopes of Mt. Hillyer 1585 Comment
  RSA65304  Eriogonum thurberi F. W. Peirson 1930-5-30 8901 Los Angeles shade of oaks, Mint Canyon 610 Comment
  UC586896  Eriogonum umbellatum var. minus Joseph Andorfer Ewan 1934-8-6 8353 Los Angeles e slope North Baldy San Gabriel Mts., North Baldy 2743 Comment
  UCR202686  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-9 8028 Los Angeles San Gabriel Mtns., Pleasant View Ridge c. 0.9 mi. NW of Mt. Williamson 2488 Comment
  UCR232382  Eriogonum viridescens Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8063 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m east of Sierra Highway and 630 m north of Avenue F 703 Comment
  LA104165  Eriogonum wrightii var. membranaceum T. Thomas; 1982-11-1 567 Los Angeles 609 Comment
  CAS-BOT-BC265001  Eriogonum wrightii var. subscaposum F. Grinnell Jr. 1908-9-14 s.n. Los Angeles Mt. Wilson 1794 Comment
  SD66902  Eriophyllum confertiflorum R. Mitchel Beauchamp 1967-3-20 356 Los Angeles Santa Catalina Island, above beach road south of Avalon. Comment
  UCD132151  Eriophyllum confertiflorum Daryl Koutnik 1978-5-2 450 Los Angeles Bell Canyon in the Simi Hills. 365 Comment
  RSA003874  Eriophyllum confertiflorum Fay A. MacFadden 1929-6-6 1189 Los Angeles Verdugo Mountains: La Tuna Canyon. Comment
  POM210097  Eriophyllum confertiflorum var. confertiflorum Victor Duran 1933-7-8 3502 Los Angeles Horse Flats, San Gabriel Mountains. 1676 Comment
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Aug 25 2014
  RSA0110203  Eriophyllum confertiflorum var. confertiflorum Richard G. Swinney 2011-5-16 14731 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA611604  Eriophyllum confertiflorum var. confertiflorum L. C. Wheeler 1968-5-27 s.n. Los Angeles Alimony Ridge, at head of Brainard Canyon. 1402 Comment
  SD253386  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-7 15447 Los Angeles San Gabriel Mts.: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Canyon (Chilao Flat 7.5'Q) 1220 Comment
  UC1118341  Eriophyllum confertiflorum var. confertiflorum G. T. Nordstrom 1935-3-25 404 Los Angeles 1.75 mi se of mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quadrangle 792 Comment
  UC566671  Eriophyllum confertiflorum var. confertiflorum Herbert L. Mason 1927-6-14 3766 Los Angeles San Gabriel Mts., San Antonio Canyon 1889 Comment
  UCR272620  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-7 15447 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  RSA0017049  Eriophyllum confertiflorum var. confertiflorum A. D. E. Elmer 1902-06 3712 Los Angeles Acton, Mt. Gleason. Comment
  CAS-BOT-BC308357  Eriophyllum nevinii Reid Moran 1941-4-27 833 Los Angeles Near east landing, Santa Barbara Island 10 Comment
  RSA0088417  Erodium cicutarium R. G. Swinney 2010-2-27 11745 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA391803  Erodium cicutarium T. S. Clare 1930-4-7 s.n. Los Angeles Sandberg. Comment
  RSA782487  Erodium cicutarium R. G. Swinney 2009-4-13 10315 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  SD231325  Erodium cicutarium Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 50506 39 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountins; Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SEINET13383541 Image available Erodium cicutarium R. G. Swinney 2010-1 11979 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 539 Comment
  SFV1982  Erodium cicutarium K. A. Wilson, D. E. Bianchi 1961-2-2 811 Los Angeles Santa Susana Mountains Granada Hills. Base of Limekiln Canyon. 350 Comment
  CAS-BOT-BC40776  Erysimum capitatum Timothy S. Ross 1994-5-31 7979 Los Angeles San Gabriel Mountains. Vicinity of Pacifico Mountain. Upper northerly slope of major flat topped ridge. 2048 Comment
  UCR190899  Erysimum capitatum R. G. Swinney 1998-7-2 6201 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  JEPS53546  Erysimum capitatum var. capitatum W. L. Jepson 1935-4-17 17036 Los Angeles mesa flats west Mohave Desert, Lancaster 716 Comment
  POM553  Erysimum capitatum var. capitatum L. R. Abrams 1901-04 1339 Los Angeles San Fernando Mts. 762 Comment
  RSA651368  Erysimum capitatum var. capitatum Michael Krawczyk 1981-4-26 7 Los Angeles North side of highway 39, at Falling Springs Resort Comment
  UC1871116  Erysimum capitatum var. capitatum T. S. Ross, Walter Appleby 1993-5-14 7143 Los Angeles Transverse Ranges; San Gabriel Mountains region; western San Gabriel Mtns: between May Canyon Saddle and May Peak [3948']; San Fernando quad; T3N R15W S11, SW/4 NW/4; elev. 3780 ft 1152 Comment
  UC129435  Eschscholzia George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 419 Los Angeles Santa Catalina Island Comment
  POM384  Eschscholzia caespitosa subsp. caespitosa Amos Shummway 1908-05 s.n. Los Angeles Near Pasadena. Comment
  LA32232  Eschscholzia californica Peter H. Raven; Henry J. Thompson 1959-6-4 14317 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 45 Comment
  SBBG70153  Eschscholzia californica R. Hoffmann 1925-4-19 Los Angeles W border of Antelope Valley Comment
  UCR223022  Eschscholzia minutiflora R. G. Swinney 2009-4-29 10621 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
  UCR214607  Eucalyptus camaldulensis A. C. Sanders, Dan S. Cooper 2010-4-30 38115 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0010844  Eucalyptus camaldulensis Tim S. Ross, W. Appleby 1993-6-7 7366 Los Angeles W end of the San Gabriel Mtns: Draw draining SW from May Canyon Saddle. 1085 Comment
  RSA0012583  Eucalyptus citriodora A. C. Sanders 2003-5-22 26813 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  RSA661178  Eucalyptus globulus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 408 Los Angeles Vedugo 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 427 Comment
  SFV21380  Eucalyptus globulus L. Gross, V. Soza, S. Tessel 2001-6-4 408 Los Angeles Verdugo Mountains Northwest side of mountains. Verdugo Crestiline Drive (fire road) just north of the 210 Freeway. Enter on the west side at Topley Lane off of Newhome Ave. in Sunland. Cleared area just north of rife road. Cleared for fire safety (as close to homes). 427 Comment
  RSA0012830  Eucalyptus rudis R. G. Swinney 1989-7-14 s.n. Los Angeles Base of San Gabriel Mtns., in and near the city of Glendora. S of water reservoir at N terminus of Englewild Ave. 396 Comment
  RSA673619  Eucalyptus rudis LeRoy Gross 2003-1-25 685 Los Angeles 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 549 Comment
  POM7010  Eucrypta chrysanthemifolia P. A. Munz, G. Williams 1919-4-5 2434 Los Angeles Puddingstone Canyon, San Dimas. Comment
  RSA420813  Eucrypta chrysanthemifolia F. R. Fosberg 1931-4-29 4723 Los Angeles 1/2 mile below Eagles nest, Middle Ranch Canyon, Santa Catalina Island. 140 Comment
  UCR95348  Eucrypta chrysanthemifolia L. C. Wheeler 1967-5-2 9255 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  RSA665305  Eucrypta chrysanthemifolia M. B. Dunkle 1929-4-7 2105 Los Angeles Moonstone Beach, Santa Catalina Island. Comment
  SBBG66015  Eucrypta chrysanthemifolia var. chrysanthemifolia S. A. Junak with M. L. Hoefs, L. Stratton 1998-3-21 SCa 490 Los Angeles W side of Cape Cyn, S of Black Jack Pk 475 Comment
  SBBG61342  Eulobus californicus R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  SFV17888  Eulobus californicus J. D. Dilley 1998-3-27 248 Los Angeles San Gabriel Mountains Junction of Gold Creek Road and Little Tujunga Canyon in the foothills above Sunland. 500 Comment
  SEINET6070302  Eulobus californicus Unknown 1929-4-1 4459 Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  RSA723217  Euphorbia lathyris LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2827 Los Angeles Southeast side of the San Rafael Hills: Behind a power substation, near a small pond. At end of Wierfield Drive. 313 Comment
  RSA583017  Euphorbia misera T. S. Ross, Janet Takara, Stacey Otte 1993-4-24 6944 Los Angeles Santa Catalina Island, ca. 1600 ft NE of Little Harbor on slope overlooking the harbor. 40 Comment
  SD69023  Euphorbia peplus Robert F. Thorne, B. Propst 1968-5-29 37702 Los Angeles Santa Catalina Island, bed of Hermit Gulch off Avalon Canyon 89 Comment
  UCR151010  Euphorbia peplus Scott D. White 1997-5-7 5063 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  SD69690  Euphorbia peplus Robert F. Thorne 1966-5-31 36426 Los Angeles Santa Catalina Island, Avalon, curbside weed 10 Comment
  UCD142449  Euphorbia peplus J. Ewan 1932-2-20 7022 Los Angeles Santa Monica Mts. Upper Sonoran Zone. Mandeville Canyon at Administration Bldg. Comment
  UCSB3592  Euphorbia spathulata Beach, Kay 1943-5-11 Los Angeles Woods trail about 1 mile above Dalton; San Dimas Exp. Forest Comment
  SFV21447  Euphorbia terracina A. E. Dorsey 2008-2-29 71 Los Angeles Santa Monica Mountains Solstice Canyon. At disturbed site by the Education Shelter. 90 Comment
  RSA0034249  Eurotia lanata Bonnie C. Templeton 1971-5-16 11617 Los Angeles About 7 mi. NE of Palmdale. 815 Comment
  RSA473725  Euthamia occidentalis Wm Martin 1971-8-25 s.n. Los Angeles Point Dume Comment
  SBBG98441  Extriplex californica T. Ross 1991-5-22 5440 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 5 Comment
  UCR260002  Festuca microstachys R. G. Swinney 2010-5-11 12632 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR178906  Festuca myuros R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 335 Comment
  SD124451  Festuca perennis Barry Prigge 1986-3-29 7144 Los Angeles San Gabriel Mountains: South of Canyon Country at Golden Valley X Antelope Valley Freeway (State Highway 14). 456 Comment
  CATA3512  Ficus carica Julia Parish 2017-12-30 045 Los Angeles Santa Catalina Island: Channel side; Upper middle canyon WMU, Renton Pass Rd, adjacent to Trans-Cat near water pipe 381 Comment
  RSA0113446  Filago arizonica Steven A. Junak 2001-4-13 SCa- 1432 Los Angeles Santa Catalina Island. Just S of old road, on ridgetop overlooking Empire Landing. 226 Comment
  UCR204886  Filago californica R. G. Swinney 2008-3-26 8572 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA534053  Filago californica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5300 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest 1336ft marker, 1800ft SE of Malo Knoll (1396ft). 274 Comment
  RSA547822  Filago gallica Timothy S. Ross, Peter Fritsch 1990-6-20 3623 Los Angeles San Gabriel Mountains: mouth of Burro Canyon near the confluence of the E and W Forks of the San Gabriel River; ranging from stream bottom to slopes. 445 Comment
  RSA718265  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  CAS-BOT-BC52556  Frangula californica subsp. californica Timothy S. Ross; Steve Boyd 1995-6-28 8651 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. Burnt Peak 7.5' USGS Quad 737 Comment
  RSA595419  Frankenia salina Mark Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2484 Los Angeles Santa Catalina Island: Little Harbor. 3 Comment
  SFV2325  Frankenia salina R. L. Armacost 1934-5-29 s. n. Los Angeles Los Angeles, Playa del Rey. Near salt marsh. 1 Comment
  UCR147289  Fraxinus dipetala Orlando Mistretta 1992-6-17 590 Los Angeles Transverse Ranges; San Gabriel Mountains, Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon Comment
  RSA77222  Fremontodendron californicum subsp. californicum Joseph A. Ewan 1932-5-29 7211 Los Angeles Arratre Canyon 1220 Comment
  UC1871090  Fremontodendron californicum subsp. californicum T. S. Ross, W. Appleby 1993-5-13 7130 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: 600 meters, 346 deg. NNW of Wilson Canyon Saddle, at the head of Whitney Canyon, about 100-120 meters WSW of the 3151-foot ridgetop knoll; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 section 9; ca 3060 feet el ... 933 Comment
  RSA746542  Funastrum cynanchoides var. hartwegii A. C. Sanders, T. B. Salvato 2009-5-20 36865 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines NE of Plaza Dr., SE of Montebello Blvd. and SW of San Gabriel Blvd. 96 Comment
  UC50784  Galinsoga parviflora var. parviflora Geo. B. Grant Oct 1902 486 Los Angeles Los Angeles Comment
  RSA587023  Galium andrewsii subsp. intermedium Orlando Mistretta 1994-6-15 1362 Los Angeles San Gabriel Mountains, Santiago Canyon. 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
  POM186345  Galium angustifolium subsp. angustifolium Joseph A. Ewan 1932-7-4 7575 Los Angeles Millard's Canyon, above the falls Comment
  SBBG84164  Galium angustifolium subsp. angustifolium G. R. Ballmer, G. Pratt 1986-3-25 Los Angeles El Segundo Dunes, back edge of the beach just W of Los Angeles International Airport 6 Comment
  UCR194604  Galium angustifolium subsp. gabrielense R. G. Swinney 1998-8-13 6755 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
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May 8 2012
  UCR271079  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-6-14 15131 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA607207  Galium angustifolium subsp. nudicaule Louis C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, just above the upper falls, below the campground, E of windy gap. 1006 Comment
  RSA592813  Galium aparine Steve D. Boyd, Orlando Mistretta 1996-5-1 8754 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
  UCR125776  Galium aparine A. C. Sanders 2003-5-26 26841 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  POM4535  Galium aparine D. L. Crawford, Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. Comment
  RSA534043  Galium aparine Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5261 Los Angeles San Clemente Island: westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of rest [1336'] marker; 1800 t SE of Malo Knoll [1396']) 384 Comment
  RSA286779  Galium bifolium Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44745 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  RSA632436  Galium californicum subsp. flaccidum Valerie L. Soza, LeRoy Gross 1999-7-15 627 Los Angeles San Gabriel Mountains: Mt. Wilson Trail above Little Santa Anita Canyon. 1067 Comment
  UC483360  Galium catalinense L. R. Abrams and I. L. Wiggins 1931-7-4 317 Los Angeles White's Landing Channel Islands, Santa Catalina Island Comment
  UCD65156  Galium catalinense G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7760 Los Angeles CATALINA ISLAND: seep slopes halfway from Little Harbor to Middle Ranch; flowers greenish-yellow. 200 Comment
  SDSU9324  Galium catalinense D. F. Howe 1953-5-3 2279 Los Angeles Hillside, mouth of Wain Canyon, Santa Catalina Island. Comment
  CATA248  Galium catalinense subsp. catalinense Mark L. Hoefs, A. Douglas Propst 1973-5-4 247 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  SBBG128364  Galium catalinense subsp. catalinense M. L. Hoefs 1991-6-5 1340 Los Angeles hillside SE of Hamilton Cove 60 Comment
  UC1584898  Galium johnstonii Tim Ross and Steve Boyd 1991-7-24 5609 Los Angeles ridge nne G.M.; Pacifico Mountain USGS 7.5' quad, Granite Mountain vicinity 1892 Comment
  UCD121800  Galium johnstonii Robert F. Thorne; M. Z. Thorne 1967-7-19 37168 Los Angeles San Gabriel Mts., Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1981 Comment
  RSA454409  Galium nuttallii Bonnie C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  SD253550  Galium porrigens R. G. Swinney 2011-5-19 14781 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch) 0.6 milse SSE of junction of Colby Ranch Road and FS Road 3N19, upper Big Tujunga Canyon, south side of Coldwater Canyon creek (Chiloao Flat 7.5'Q) 1073 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
  RSA424700A  Galvezia speciosa Reid V. Moran 1941-2-23 602 Los Angeles Northwest of Johnson's Valley, Santa Catalina Island. 10 Comment
  SBBG132297  Gambelia speciosa S. A. Junak, B. Collins 1991-4-25 SCI- 231 Los Angeles overlooking E side of island, Triangulation Point "Jack" 259 Comment
  UCR129779  Gamochaeta pensylvanica L. C. Wheeler 1936-3-8 4080 Los Angeles San Gabriel Mtns, Millard Canyon 457 Comment
  SBBG113105  Gamochaeta ustulata S. A. Junak 1998-5-1 SCa 614 Los Angeles E side of Haypress Reservoir 384 Comment
  SFV16898  Gamochaeta ustulata J. N. Hogue 1997-6-25 s. n. Los Angeles Los Angeles, Eagle Rock. 152 Comment
  CAS-BOT-BC186347  Garrya flavescens Timothy S. Ross; Steve Boyd 1994-7-7 8147 Los Angeles Liebre Mountains: W end of the mountain, along descending Forest Service Road (7N23), ca 1140 m SW of Sandberg Triangulation Point (5345-ft) 1438 Comment
  LA205403  Garrya flavescens J. Sauer; R. Gibson 1971-5-1 4880 Los Angeles Piru Creek, Bailey Flats, site of the future Pyramid Reservoir Comment
  CDA38576  Garrya flavescens R. F. Thorne, A. Takhtajan 1967-11-3 41873 Los Angeles San Gabriel Mountains; San Gabriel Mountains: San Antonio Canyon. 0 Comment
  RSA656929  Garrya veatchii Valerie L. Soza, Wayne Law, Laura Moore 2000-7-7 1057 Los Angeles San Gabriel Mountains: North of Mt. Bliss, Van Tassel Truck Trail (FS Road 1N36), 0.15 mile north of junction of Van Tassel Truck Trail and Van Tassel Road (FS Road 1N36A). 1082 Comment
  RSA235263  Gastridium phleoides M. A. Piehl 1962-6-10 62409 Los Angeles San Clemente Island: [Mount] Thirst. 579 Comment
  RSA413934  Gastridium phleoides Anstruther Davidson 1917-06 3252 Los Angeles Crescenta. Comment
  UCR190370  Gayophytum R. G. Swinney, Cody Clarke 2001-6-20 8003 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  RSA532641  Gayophytum diffusum subsp. parviflorum Tim S. Ross 1991-8-14 5753 Los Angeles Roundtop Mountain. 1893 Comment
  SEINET13203240 Image available Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-1 15255 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
  UCR256605  Gayophytum racemosum Anuja Parikh, Nathan Gale 2011-7-6 3542 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 4.0 km west of Shortcut Station, 1.0 km north of State Hwy 2, Angeles Crest Hwy Comment
  LA211190  Genista monspessulana Arthur C. Gibson; Barry A. Prigge 2008-4-16 5338 Los Angeles SANTA MONICA MOUNTAINS, Santa Inez Canyon. Comment
  UC17118  Geranium carolinianum J. H. Barber 1897-6-2 161 Los Angeles Santa Monica Experimental Station Comment
  LA211147  Geranium dissectum Arthur C. Gibson; 2011-6-8 5353 Los Angeles SANTA MONICA MOUNTAINS, Upper Stunt Trail, Stunt Rd., Calabasas. Comment
  RSA569938  Gilia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4847 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UCR214065  Gilia A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37950 Los Angeles Tehachapi Mountains, Crane Canyon, 0.83 mi. SE (142 deg. ) of Castac Lake, 1.81 mi. NE (35 deg. ) of Gorman, just S of Kern Co. line 1128 Comment
  RSA640329  Gilia achilleifolia subsp. abrotanifolia L. C. Wheeler 1931-5-17 s.n. Los Angeles Base of San Gabriel Mountains: San Dimas canyon Comment
  RSA781423  Gilia angelensis Erika Gardner, Nancy Hamlett 2012-3-23 6 Los Angeles City of Claremont, Bernard Field Station. South end of station along Foothill Blvd. About 3 meters from the chain-link fence, inside the field station. 396 Comment
  RSA72289  Gilia angelensis F. W. Peirson 1919-4-5 4706 Los Angeles Allen Ranch, Altadena. 366 Comment
  RSA590934  Gilia brecciarum subsp. brecciarum Orlando Mistretta 1994-4-12 1025 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1220 Comment
  SBBG125787  Gilia brecciarum subsp. neglecta A. Parikh, N. Gale 2010-6-10 3277 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.5 km NW of State Hwy 14; E Liebre Mtns 1100 Comment
  RSA470246  Gilia capitata subsp. abrotanifolia Geo L. Moxley 1915-5-8 318 Los Angeles Cota, near Long Beach. Comment
  RSA755272  Gilia capitata subsp. abrotanifolia Stephen Hill, Kate Kramer 2001-4-22 33353 Los Angeles North side of San Gabriel Mts., south side of Antelope Valley, Johnson Road, 6.2 miles NNE of junction with Elizabeth Lake Road, 3 miles S of junction of Avenue I and 110th Street West. 939 Comment
  SEINET3360605 Image available Gilia gilioides J. Craig 1927-6-8 405 Los Angeles Bear Canyon trail to summit of Mt. San Antonio, eastern Los Angeles Co. Comment
  RSA756125  Gilia latiflora subsp. cuyamensis Orlando Mistretta, Christine Mistretta 2008-4-30 2569 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  CAS-BOT-BC226329  Gilia latiflora subsp. davyi Mrs. G. Earle Kelly 1926-4-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  RSA77387  Gilia minor E. K. Balls 1952-4-26 8519 Los Angeles 9.7 miles NE & W of Desert Springs, along Hwy 138 to Palmdale. 1067 Comment
  RSA104272  Gilia modocensis Verne Grant 1956-6-14 21954 Los Angeles ridge SW of Big Pines, San Gabriel Mts. 1982 Comment
  SBBG98662  Gilia nevinii T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5210 Los Angeles upper Twin Dams Cyn 434 Comment
  CAS-BOT-BC402007  Gilia ochroleuca subsp. bizonata Louis C. Wheeler 1932-4-9 590 Los Angeles Mouth Kings Canyon, Elizabeth Lake Region 975 Comment
  UCR124249  Gilia ochroleuca subsp. bizonata L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns, Foothills of the mountains: 2 mi NE of Vincent 991 Comment
  RSA0083780  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1992-6-19 598 Los Angeles Transverse Ranges; San Gabriel Mtns.: Angeles National Forest; Timber Mountain. On saddle between Timber and Telegraph Pk. Comment
  RSA0017166  Gilia ochroleuca subsp. vivida R. F. Thorne, C. W. Tilforth 1971-6-30 40751 Los Angeles Pacifico Mountain 1951 Comment
  RSA469708  Gilia tricolor L. E. Hoffman 1934-7-24 s.n. Los Angeles Santa Monica Sand Dunes Comment
  RSA436244  Githopsis diffusa subsp. diffusa Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson's Trail. Comment
  UCSB51745  Glycyrrhiza lepidota Hodgson, John 1928-7-17 Los Angeles Along creek below Peace Valley, Santa Barbara-Tejon forest 609 Comment
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Apr 1 2015
  RSA596470  Gnaphalium beneolens Lauren Raz, S. D. Boyd 1996-10-23 008 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  RSA646277  Gnaphalium beneolens Orlando Mistretta 1992-9-14 804 Los Angeles San Gabriel Mountains: North Fork Saddle. Tujunga Ranger District. Comment
  POM358777  Gnaphalium californicum F. R. Fosberg 1931-4-2 4449 Los Angeles Santa Catalina Island. Camp Frost 300 Comment
  UCR272640  Gnaphalium microcephalum R. G. Swinney 2011-9-22 15682 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
  SD69457  Gnaphalium palustre Robert F. Thorne, P. Everett 1965-6-23 34973 Los Angeles Santa Catalina Island; Hay Press Reservoir. 409 Comment
  RSA660678  Goodmania luteola F. C. Vasek 1985-6-5 s.n. Los Angeles Antelope Valley, along Hwy 138, ca. 2 miles W of Hwy 14. Comment
  UC1076317  Grayia spinosa Herbert L. Mason 1926-4-26 2992 Los Angeles 1 mi. e. Palmdale Comment
  UCR116285  Grayia spinosa B. G. Pitzer 1998-5-12 3707 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  UCR117563  Grindelia camporum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23268 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 854 Comment
  CAS-BOT-BC305252  Grindelia hirsutula Delzie Demaree 1933-5-30 10371 Los Angeles S.W. Los Angles [Angeles] by Goodman Airport Comment
  RSA9687  Guillenia lasiophylla L. C. Wheeler 1932-4-1 546 Los Angeles San Jose Hills at Pomona. 305 Comment
  RSA0034637  Gutierrezia californica Scott D. White 1997-5-14 5128 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  UC63374  Gutierrezia californica Ernest Braunton 1902-7-1 570 Los Angeles Griffith Park Los Angeles, Griffith Park Comment
  CAS-BOT-BC282862  Hainardia cylindrica Le Roy Abrams 1901-6-1 1715 Los Angeles Ballona Harbor Comment
  CATA1284  Hainardia cylindrica Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-13 2371 Los Angeles Santa Catalina Island: By road to Catalina Harbor, across from yacht club on west side of road 12 Comment
  SBBG113283  Hainardia cylindrica S. A. Junak with M. L. Hoefs 1997-6-4 SCa 421 Los Angeles NE end of upper Buffalo Corral Reservoir 188 Comment
  UCR150560  Haplopappus squarrosus Scott D. White, Brian Leatherman 2003-11-17 9855 Los Angeles San Gabriel Mtns, Big Dalton Canyon, above Glendora. Big Dalton Canyon Road, above reservoir 549 Comment
  UCR95729  Haplopappus squarrosus Lauren Raz 1996-10-23 033 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  POM369710  Harpagonella palmeri M. B. Dunkle 1928-4-22 1889 Los Angeles Santa Catalina Island; Buttonshell Beach. 23 Comment
  RSA187720  Harpagonella palmeri R. F. Thorne 1966-4-5 35873 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  UC166870  Harpagonella palmeri George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 540 Los Angeles Santa Catalina Island Comment
  UC74042  Hazardia squarrosa var. grindelioides Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  RSA714192  Hedera canariensis Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1355 Los Angeles Whiting Woods Rd, mouth of Henderson Canyon. 396 Comment
  SBBG128320  Hedypnois cretica M. L. Hoefs 1995-5-16 2016 Los Angeles near Airport Rd, just past rd to Black Jack Cmpgrd 454 Comment
  RSA188503  Helenium bigelovii R. F. Thorne, John Olmsted 1965-8-26 35358 Los Angeles Angeles National Forest: along switchback below Guffy Camp on Blue Ridge 2470 Comment
  UC32246  Helenium bigelovii State Survey 1861-1-2 104 Los Angeles near San Gabriel Comment
  UCR189875  Helenium bigelovii R. G. Swinney 1998-7-21 6466 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail 1951 Comment
  RSA330786  Helenium bigelovii Wayne E. Sawyer 1981-7-10 85 Los Angeles Angeles National Forest: CA Hwy 2 between Dawson Saddle And junction of CA Hwy 39, 1.8 mi. from Dawson Saddle 2287 Comment
  RSA441796  Helianthemum scoparium var. vulgare Wm. Martin 1971-8-25 s.n. Los Angeles On road to Saddle Peak, about 3/4 mile from junction of Malibu Canyon Road Comment
  UCSB6596  Helianthus annuus Gill, Robert 1959-11-16 Los Angeles Wheeler-La Verne Rd., above baseline; San Gabriel Mt. Range; Pacific slope drainage area 396 Comment
  POM4952  Helianthus annuus subsp. lenticularis O. W. Robinson 1916-3-25 25 Los Angeles Claremont, wash near Gymnasium Comment
  RSA0083303  Helianthus gracilentus R. G. Swinney 2010-6-4 13044 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  CATA913  Heliotropium curassavicum Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-14 1757 Los Angeles Santa Catalina Island: Hillside south of Ben Weston Beach 30 Comment
  UCR131429  Heliotropium curassavicum Alison Lipman 1998-8-23 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
  JEPS30668  Helminthotheca echioides Peter H. Raven and Henry J. Thompson 1959-9-18 14437 Los Angeles Santa Monica Boulevard near Boverly Glen Boulevard; Santa Monica Mountains, West Los Angeles 76 Comment
  POM158115  Hemizonia australis L. R. Abrams 1902-8-24 2969 Los Angeles Mesmer (now Fox Hills SSE of Culver City) Comment
  POM30660  Hemizonia australis H. E. Hasse 1890-08 s.n. Los Angeles Flats near Ballona Comment
  RSA251475  Hemizonia clementina R. F. Thorne 1973-4-12 42905 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  POM199703  Hemizonia fasciculata I. W. Clokey, B. C. Templeton 1929-08 4600 Los Angeles Westwood. Mandeville Canyon, Santa Monica Mts. 200 Comment
  UCR17991  Hemizonia fasciculata G. R. Johnstone 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  UCR197232  Hemizonia fasciculata Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 982 Los Angeles Verdugo Mountains, southwest side, north of Chandler Fire Road (Verdugo Motorway), north of ''La Tuna'', above Chandler and Fisher canyons, south of La Tuna Canyon 488 Comment
  SEINET5782063 Image available Hemizonia fasciculata M. F. Wheeler 1938-7-2 Los Angeles at mouth of San Dunas Canyon (E approach), San Gabriel Mts Comment
  RSA615864  Hemizonia minthornii Scott D. White 1995-10-19 3701 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  CATA1282  Herniaria hirsuta var. cinerea Mark L. Hoefs, Steven A. Junak 1995-7-12 2369 Los Angeles Santa Catalina Island: Outside of Wrigley Garden Herbarium, upper Avalon Canyon 106 Comment
  SBBG113076  Herniaria hirsuta var. cinerea S. A. Junak 1998-5-2 SCa 628 Los Angeles rd to East Pk, just SW of Pk 1245, ca. 0.85 air mi NW of East Pk 347 Comment
  SEINET4118127  Hesperocnide tenella J. Mygatt, J. Takara 1997-1 M- 97 -311 Los Angeles Santa Catalina Island, Bulrush Canyon. Comment
  LA82192  Hesperolinon micranthum O. H. Kappler; 1944-6-25 690 Los Angeles 457 Comment
  CHSC95815  Heteromeles arbutifolia Joseph Marlowe Keefe 2001-1-19 30949 Los Angeles San Rafael Mountains. Eagle Rock District, Los Angeles, CA 90041 South by southeast face of The Eagle Rock. 304 Comment
  SBBG105350  Heteromeles arbutifolia H. L. Ferguson 1981-4-20 252 Los Angeles near mouth of Horse Beach Cyn 53 Comment
  UC1870245  Heteromeles arbutifolia LeRoy Gross 2001-11-10 450 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. South side of La Tuna Canyon Road just west of the 210 freeway La Tuna Canyon exit. On Santa Monica Mountains Conservancy Land 427 Comment
  RSA0051579  Heteromeles arbutifolia Lee Haines 1935-7-4 s.n. Los Angeles San Dimas Lookout Road, San Gabriel Mts. Comment
  RSA0072413  Heteromeles arbutifolia M. B. Dunkle 1939-4-7 7337 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  RSA0049475  Heterotheca fastigiata Richard G. Swinney 2010-5-7 12608 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA0074538  Heterotheca fastigiata Peter H. Raven 1959-11-7 14732 Los Angeles Santa Monica Mtns, Hills N of Franklin Canyon Reservoir. 274 Comment
  RSA0074081  Heterotheca grandiflora L. C. Wheeler 1945-8-15 6092 Los Angeles El Monte: Lake Shangri-La. Comment
  RSA0074412  Heterotheca grandiflora W. R. Shaw 1900-6-23 51 Los Angeles Claremont. Comment
  RSA0075803  Heterotheca grandiflora H. de Forest 1930-9-28 s.n. Los Angeles Playa del Rey. Comment
  UCR212807  Heterotheca sessiliflora Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1850 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  SJSU13545  Heterotheca sessiliflora subsp. fastigiata C. W. Sharsmith 1940-8-29 4230 Los Angeles head of Eaton Canyon, San Gabriel Mts 1371 Comment
  UCR180381  Heterotheca subaxillaris Scott D. White, Andrea Warniment 2006-7-6 11608 Los Angeles SE Tehachapi Mtns, Gorman area, sag ponds and adjacent slopes just N of Gorman Post Road 1143 Comment
  RSA0062943  Heuchera elegans R. G. Swinney 1998-8-13 6740 Los Angeles San Gabriel Mtns. Summit of Iron Mountain. 2427 Comment
  RSA0096741  Heuchera elegans F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5532 Los Angeles Mt. Islip, near summit. 2440 Comment
  CAS-BOT-BC319765  Hieracium argutum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena, San Gabriel Mountains Comment
  RSA674240  Hirschfeldia incana LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 692 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 783 Comment
  POM2578  Hoita macrostachya A. J. Cook 1900-6-12 31 Los Angeles Claremont Comment
  CAS-BOT-BC280877  Hordeum brachyantherum subsp. brachyantherum L. R. A. 1901-6-1 1718 Los Angeles Ballona Creek, Mesmer Comment
  POM128503  Hordeum brachyantherum subsp. californicum Le Roy Abrams 1901-06 1718 Los Angeles Mesmer. Comment
Read comments
Jun 26 2015
  CATA507  Hordeum intercedens Sara L. Crockett 1997-4-2 651 Los Angeles Santa Catalina Island: Clearing adjacent to point above Empire Landing Quarry site, 0.25 mile N of Empire Landing Road from point 2.4 miles W of jct. with Airport Road 240 Comment
  POM205087  Hordeum intercedens Le Roy Abrams 1901-5-28 1731 Los Angeles Ballona Harbor Comment
  SBBG131655  Hordeum intercedens S. A. Junak 1999-5-20 SCa 954 Los Angeles Cottonwood-Black Jack Rd 304 Comment
  RSA158316  Hordeum marinum subsp. gussoneanum P. H. Raven 1962-5-10 17725 Los Angeles Head of Horse Canyon, the large canyon west of Thirst; San Clemente Island 534 Comment
  SBBG32106  Hordeum murinum R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -246 Los Angeles Little Harbor Comment
  LA14704  Hordeum murinum subsp. glaucum Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  CAS-BOT-BC289406  Hordeum murinum subsp. leporinum Peter H. Raven; Henry J. Thompson 1959-5-5 14123 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Road Malibu Creek drainage, Santa Monica Mountains 274 Comment
  POM352463  Hordeum murinum subsp. leporinum Robert Gustafson 1978-6-1 979 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  UCR258964  Hordeum murinum subsp. leporinum R. G. Swinney 2010-2-27 11758 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
  SEINET7909225  Horkelia cuneata J. R. Massey 1966-1 Los Angeles Claremont, outside RSABG, Foothill Blvd Comment
  CAS-BOT-BC537284  Horkelia cuneata var. cuneata Le Roy Abrams 1901-4-1 1237 Los Angeles near Ballena Harbor Comment
  CAS-BOT-BC311944  Hulsea heterochroma R. J. Dobbs 1927-6-27 1478 Los Angeles Topango trail just below fire break 1005 Comment
  CDA38602  Hydrilla verticillata CDFA Staff 1980-10-15 s.n. Los Angeles Los Angeles Museum (of Natural History?) 0 Comment
  RSA657361  Hypochaeris glabra Joseph M. Keefe 1978-4-28 22808 Los Angeles Verdugo Mountains; Henderson Canyon Creek, 0.5 Km west of Lockerbie Road on Whitting Woods Road, La Crescenta. 427 Comment
  RSA226176  Hypochaeris glabra Gary D. Cromwell, David W. Wheat 1971-4-21 546 Los Angeles On W side of Mystic Canyon, 2 miles NE of Glendora; Angeles National Forest, San Gabriel Mts. 549 Comment
  POM4693  Isocoma menziesii T. S. Brandegee 1894-8-25 14344 Los Angeles San Clemente Island Comment
  SEINET3371873  Isocoma menziesii G. Rink 2011-6-1 10575 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  CHSC24686  Isomeris arborea D. Hattem 1976-4-18 7 Los Angeles Ca. 500 m. w of Hwy 5, ca. 15 mi n of Castaic. 975 Comment
  UCD51392  Jarava speciosa A. A. Beetle 1942-4-24 3215 Los Angeles Rt. 6, 6 miles south of Palmdale. Comment
  UCR265509  Juglans Dan S. Cooper 2015-4-3 315- 18 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon, above Travel Town, Los Angeles 180 Comment
  UC57607  Juglans californica var. californica J. H. Barber 1897-4-4 125 Los Angeles Santa Monica Forestry Station Comment
  UC847333  Juglans californica var. californica Ira W. Clokey, B. Templeton Apr. 1929 4465 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  SD253478  Juglans hindsii R. E. Riefner Jr. 2014-5-10 14 113 Los Angeles San Fernando Valley, Los Angeles, Sepulveda Flood Basin, Sepulveda Basin Wildlife Area, Haskell Creek near Woodley Park, E of Woodley Av3e, W of San Diego Freeway, N of Burbank Balvd. 213 Comment
  RSA709602  Juncus acutus A. C. Sanders, Mark A. Elvin 2003-8-7 27179 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  CAS-BOT-BC110043  Juncus acutus Carl B. Wolf 1932-9-16 4101 Los Angeles Bryant Ranch. 100 - 150 feet west of State Highway, at extreme southeast corner of Pacific Western Oil Company Lease. 3 Comment
  CATA759  Juncus acutus subsp. leopoldii Mark L. Hoefs 1991-5-22 1291 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  RSA358478  Juncus acutus subsp. leopoldii Robert F. Thorne 1973-09 44729 Los Angeles Santa Catalina Island: Big Spring. Comment
  SBBG32111  Juncus balticus R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -199 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  RSA747409  Juncus balticus subsp. ater R. G. Swinney 2008-6-9 8960 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  SD30903  Juncus balticus subsp. ater H. Ritter 1931-4-25 1977 Los Angeles Los Angeles River, near Los Feliz Road. Comment
  RSA799898  Juncus bufonius Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 6 Los Angeles Glendora Ridge Road 1288 Comment
  CATA1327  Juncus bufonius var. bufonius Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2428 Los Angeles Santa Catalina Island: Upper Buffalo Springs Reservoir 432 Comment
  UCD141427  Juncus covillei Louis C. Wheeler 1954-9-1 7088 a Los Angeles San Gabriel Mountains: Little Rock Creek at Buckhorn. Comment
  SD62216  Juncus duranii Victor Duran 1933-7-22 3527 Los Angeles Edge of stream, Buckhorn, San Gabriel Mountains. 1981 Comment
  UCR270633  Juncus duranii R. G. Swinney 2011-8-17 15647 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA368068  Juncus macrophyllus L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  RSA641437  Juncus macrophyllus L. C. Wheeler 1967-7-15 10052 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  RSA755826  Juncus macrophyllus R. G. Swinney 2008-10-7 9486 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak 1622 Comment
  RSA681153  Juncus macrophyllus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1072 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
  RSA628578  Juncus mexicanus L. C. Wheeler 1967-7-23 10164 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Springs, San Andreas Rift Zone. Comment
  RSA571884  Juncus phaeocephalus var. phaeocephalus Geo L. Moxley 1915-5-9 319 Los Angeles Canyon in hills east of Occidental College Comment
  UCR204745  Juncus rugulosus R. G. Swinney 2005-8-9 8420 A Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA587169  Juncus rugulosus Orlando Mistretta 1995-10-2 1934 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  RSA634221  Juncus saximontanus Robert F. Thorne 1969-7-9 38507 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station 2134 Comment
  RSA0065463  Juncus tenuis S. Granger 1974-6-29 s.n. Los Angeles Little Rock Creek Canyon. 1981 Comment
  RSA756155  Juncus textilis R. G. Swinney 2008-7-12 9178 Los Angeles San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
  RSA0022559  Juncus textilis Peter Rubtzoff 1988-10-7 9964 Los Angeles Gold Creek Road nesr junction with Little Tujunga Road, Little Tujunga Canyon, ca. 2 mi northeast of the entrance to Angeles National Forest, or ca. 4 mi northeast of junction of Osborne Street and Foothill Blvd. 479 Comment
  RSA228872  Juncus xiphioides Robert F. Thorne 1971-6-26 40629 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  RSA674581  Juncus xiphioides Scott D. White 2000-8-25 8127 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  UCR58439  Juniperus A. C. Sanders 1987-7-22 7168 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CHSC95800  Juniperus californica LeRoy Gross 2005-5-3 2244 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  RSA717984  Juniperus occidentalis var. australis R. G. Swinney 1997-4-25 5496 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
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Apr 15 2011
  CAS-BOT-BC235729  Keckiella cordifolia R. G. Swinney 2009-5-8 10693 Los Angeles Transverse Range; San Gabriel Mtns.: Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  CAS-BOT-BC235760  Keckiella cordifolia Grant 1901-7-26 4467 Los Angeles Sturtevant Camp Comment
  POM158262  Keckiella cordifolia M. B. Dunkle 1928-5-28 1968 Los Angeles Avalon Canyon, Santa Catalina Island. 46 Comment
  SBBG66496  Keckiella cordifolia M. N. Ackley -Aug-1927 Los Angeles near Glendale, Verdugo Hills 274 Comment
  POM4446  Keckiella ternata subsp. ternata C. F. Baker 5067 Los Angeles Claremont. Comment
  CAS-BOT-BC246109  Keckiella ternata var. ternata A. D. E. Elmer 1902-6-1 3597 Los Angeles Acton Comment
  UC990918  Kochia californica D. F. Howe 1948-5-3 Los Angeles 3 mi. n. Lancaster 609 Comment
  CAS-BOT-BC271344  Koeleria pyramidata W. R. Dudley; F. H. Lamb 1896-6-12 4466 Los Angeles Castaic Lake, Tejon Pass, Mt. Pinos Region Comment
  SBBG49899  Krascheninnikovia lanata L. S. Matlovsky 1975-3-27 DM- 1114 Los Angeles West Avenue S, near Palmdale Lake, Anaverde Valley Comment
  RSA250523  Lactuca serriola R. F. Thorne, John Dourley 1967-10-10 37333 Los Angeles Angeles National Forest: Jackson Lake, W end of lake. 1867 Comment
  UC1595409  Lactuca serriola Tim Ross and Annette H. Ross 1991-7-29 5701 Los Angeles Elephant Hill San Dimas USGS 7.5' Quad, W Pomona, Puente Hills (n-most point in Puente Hills, e and ne slopes of e summit area) 304 Comment
  RSA3414  Lamarckia aurea Le Roy Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  SBBG56851  Lamarckia aurea M. N. Ackley -Feb-1926 3 Los Angeles Eagle Rock 182 Comment
  PASA736  Langloisia matthewsii Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  RSA392646  Lastarriaea coriacea Anstruther Davidson 1902-04 s.n. Los Angeles Beach near Playa del Rey. Comment
  CAS-BOT-BC337928  Lasthenia californica A. C. Sanders; Mark Elvin; et al 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  CAS-BOT-BC338114  Lasthenia californica A. J. Mc. 1893-3-25 s.n. Los Angeles Pasadena Comment
  RSA596915  Lasthenia californica Timothy S. Ross, J. Mark Porter 1995-5-4 8525 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  CAS-BOT-BC366346  Lasthenia coronaria Marcus E. Jones 1882-2-27 3026 Los Angeles Pasadena Comment
  UCR124102  Lasthenia gracilis Steven R. Hill, K. Kramer 2001-4-22 33341 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR125484  Lasthenia gracilis A. C. Sanders, Mark Elvin 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126891  Lasthenia gracilis A. C. Sanders 2003-4-29 26168 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCR139266  Lasthenia gracilis A. C. Sanders, M. Elvin, et al 2003-4-16 26058 B Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UC537207  Lathyrus vestitus var. ochropetalus M. E. Jones 1934-3-24 Los Angeles n of Claremont (Webb School) Comment
  OBI69278  Lathyrus vestitus var. vestitus John Knapp, Denise Knapp 2003-4-13 3 Los Angeles Catalina Island, 3688953.820N x 377327.333E 37 Comment
  RSA199024  Lathyrus vestitus var. vestitus W. M. Gauntt 1966-4-16 157 Los Angeles Junction of Glendora Mountain Road and San Gabriel Canyon Road. 915 Comment
  SBBG78467  Lathyrus vestitus var. vestitus W. A. Wright 1931-3-6 Los Angeles Santa Catalina Island Comment
  POM11592  Lathyrus vestitus var. vestitus P. A. Munz 3828 Los Angeles San Dimas Canyon. 457 Comment
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Aug 21 2012
  SD53051  Lathyrus vestitus var. vestitus Peter H. Raven 1962-4-10 17247 Los Angeles San Clemente Island, In semi-shade on steep walls of gully to west side of island ca. 1.5 miles north of Thirst 456 Comment
  POM6997  Layia glandulosa P. A. Munz, L. T. Street, G. Williams 1919-4-19 2476 Los Angeles Lone Hill, San Dimas Comment
  RSA587960  Layia glandulosa Orlando Mistretta 1992-5-4 251 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  UCR186919  Layia glandulosa A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32237 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  CATA386  Layia platyglossa Mark L. Hoefs 1974-5-2 450 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  UC53939  Layia platyglossa Ernest Braunton 1902-4-29 233 Los Angeles north Pomona Comment
  CAS-BOT-BC377807  Layia platyglossa Geo. L. Moxley 1915-4-19 313 Los Angeles East Hollywood Comment
  JEPS31168  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles n side of Oso Canyon Road to Mexican Mine; Tejon Ranch 1005 Comment
  POM361680  Layia platyglossa subsp. campestris Fordyce Grinnell Jr 1910-05 s.n. Los Angeles Arroyo Seco, near Pasadena Comment
  UCSB43766  Lepechinia fragrans Nakashima, L. 1982-4-18 Los Angeles On east side of Stage Road, 1.4 miles south-east of Catalina Airfield on Santa Catalina Island 457 Comment
  SBBG126068  Lepidium draba D. Charlton 2010-7-21 Los Angeles SW of Piute Ponds and adjacent to Shuttle Rd and District 14 waste water outlet, W side of Shuttle Rd at curve; Edwards Air Force Base 698 Comment
  UCR211099  Lepidium latifolium Joseph Cahill 2009-7-22 3164 Los Angeles South Coast, Malibu Lagoon 1 Comment
  POM121543  Lepidium nitidum Marcus E. Jones 1882-11-29 3036 Los Angeles Pasadena. Comment
  POM391  Lepidium nitidum Dian Haynes 1893-03 s.n. Los Angeles Oak Knoll Park, Pasadena Comment
  SBBG13458  Lepidium nitidum E. R. Blakley 1962-6-9 5181 Los Angeles Triangulation Pt Thirst 598 Comment
  CAS-BOT-BC12983  Lepidium virginicum Ramsay Mar. 20 s.n. Los Angeles Foothills. Rubio Canyon. Comment
  CAS-BOT-BC60048  Lepidium virginicum var. menziesii Tim Ross; Steve Boyd 1991-4-25 4608 Los Angeles San Gabriel Mountains. Lower Graveyard Canyon (which joins the lower east Fork of the San Gabriel River). 469 Comment
  RSA0022513  Lepidospartum squamatum Duncan S. Bell, Caitlin Elam 2013-6-24 5233 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  UCR281848  Lepidospartum squamatum R. G. Swinney 2014-5-8 16435 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA653742  Leptodactylon californicum subsp. glandulosum Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 894 Los Angeles Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. 457 Comment
  SD43392  Leptosiphon aureus Darley F. Howe 1948-5-2 1779 Los Angeles Angelus Crest Highway to Mt. Wilson; desert side. 975 Comment
  UCD118442  Leptosiphon aureus Louis C. Wheeler 1967-5-9 9394 Los Angeles San Gabriel Mountains, Aliso Canyon east of Acton, 1 mile downstream from Wagonwheel Ranch. 914 Comment
  RSA239467  Leptosiphon bicolor E. R. Blakley 1963-12-8 6398 Los Angeles San Clemente Island, canyon head above Mosquito Cove, between triangulation points Malo and Chenity. 366 Comment
  RSA590840  Leptosiphon breviculus T. S. Ross, S. D. Boyd 1990-5-23 2613 Los Angeles Mt Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. 1720 Comment
  SEINET7968704 Image available Leptosiphon chrysanthus subsp. chrysanthus James Henrickson 1971-5-2 5538 Los Angeles 15 miles E of Palmdale, 3 miles N of Hwy 138 along 167 St, south of Lovejoy Buttes in Mojave Desert 945 Comment
  SBBG60880  Leptosyne bigelovii R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  SBBG55959  Leptosyne calliopsidea L. R. Bevier 1983-4-30 24 Los Angeles ca. 2.5 mi S of Ave J on 170th Street E 640 Comment
  UCR124728  Lessingia filaginifolia B. C. Templeton 1932-8-25 5079 Los Angeles San Gabriel Mtns., Table Mountain near Big Pines Park, Angeles National Forest 2091 Comment
  CAS-BOT-BC339270  Lessingia glandulifera var. glandulifera Timothy S. Ross; Steve Boyd 1990-5-29 2682 Los Angeles San Gabriel Mountains. SE edge of Valyermo: along NE side of Valyermo Rd from ca 3730-3750, then S of the road from ca 3750-3770 feet elevation 1149 Comment
  RSA0116902  Lessingia glandulifera var. glandulifera Lyman Benson 1945-9-26 11849 Los Angeles Claremont. 365 Comment
  CAS-BOT-BC341942  Lessingia pectinata var. pectinata C. F. Baker 1903-8-1 3444 Los Angeles Claremont Comment
  SBBG60774  Leucosyris carnosa R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  POM365306  Leymus condensatus Anstruther Davidson 1917-06 3190 Los Angeles Los Angeles. Comment
  CAS-BOT-BC274468  Leymus triticoides Edith A. Purer 1933-5-30 4999 Los Angeles Playa del Rey Comment
  SBBG12990  Leymus triticoides E. R. Blakley 1962-10-5 5448 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  SBBG33432  Leymus triticoides A. D. E. Elmer -Jun-1902 3652 Los Angeles Acton Comment
  RSA596373  Lilium humboldtii subsp. ocellatum Timothy S. Ross, Steve Boyd 1995-6-28 8620 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  SDSU21070  Lilium humboldtii subsp. ocellatum Ian Cain, Natasha Bartely 2010-6-23 1540 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 605 Comment
  UCD139734  Lilium humboldtii subsp. ocellatum J. E. Stumbo 1966-10-5 LASCA 560 Los Angeles Clamshell Canyon, extreme northwestern Monrovia. 457 Comment
  RSA68709  Lilium parryi Frank W. Peirson 1921-7-17 2515 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  CDA41277  Limonium sventenii M. O'Brien 2003-12-12 MOB 26 -03 Los Angeles South Coast; Malibu Creek State Park. Sheet 2 of 2 0 Comment
  RSA233373  Linanthus aureus Arthur C. Gibson, Linda Gibson 1972-3-11 2789 Los Angeles Vogel Flats, Big Tujunga Canyon Comment
  UCR192165  Linanthus aureus A. C. Sanders 2008-4-18 34977 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  RSA585334  Linanthus bigelovii T. S. Ross 1991-4-27 4708 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  UC909092  Linanthus breviculus Margaret Stason 1927-5-14 Los Angeles Big Pines San Gabriel Mts. Comment
  LA52338  Linanthus californicus Mary Reynolds; 1937-5-20 185 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  POM66660  Linanthus californicus Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon. San Antonio Mts. Comment
  UCSB42052  Linanthus californicus Palys, Joe 1978-6-3 Los Angeles Next to road, along Angeles Crest Highway, 1/2 mi. south of Mt. Gleason turnoff 914 Comment
  RSA695503  Linanthus concinnus Valerie L. Soza, Sarah J. De Groot 2003-6-18 1687 Los Angeles 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
  LA52349  Linanthus dianthiflorus Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  UCR259676  Linanthus dianthiflorus R. G. Swinney 2010-4-1 12140 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
  RSA606179  Linanthus parryae Leota Brice 1930-5-22 s.n. Los Angeles Palmdale Comment
  RSA659926  Linanthus parryae Orlando Mistretta 1992-5-18 341 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  POM86716  Linum usitatissimum Marcus E. Jones 1882-05 s.n. Los Angeles Los Angeles. Comment
  UCR178795  Lithophragma R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon 442 Comment
  RSA584621  Lithophragma affine T. S. Ross, Steve Boyd 1991-4-25 4612 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  POM20619  Lobelia cardinalis var. pseudosplendens Martha Hilend 1923-10 s.n. Los Angeles Camp Baldy, San Antonio Canyon. Comment
  RSA730704  Lobelia dunnii var. serrata R. G. Swinney 1997-5-31 5534 Los Angeles near Mt. Baldy School, south of Mt. Baldy village, c. 75 m east of San Antonio Canyon. Spring dense marshy meadow. 1280 Comment
  UC484281  Lobelia dunnii var. serrata Ernest Braunton Sept. 1928 1021 Los Angeles San Gabriel Canyon 609 Comment
  UC29185  Lobelia dunnii var. serrata H. M. Hall 1896-8-13 305 Los Angeles San Gabriel Mountains, San Antonio Canyon San Antonio Canyon; San Gabriel Mountains, San Antonio Canyon Comment
  RSA605864  Lobularia maritima L. C. Wheeler 1966-10-25 9073 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  CAS-BOT-BC342189  Logfia filaginoides Timothy S. Ross 1992-4-21 6233 Los Angeles San Gabriel Mountains. W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental forest 1072 Comment
  CDA2239  Lolium perenne L. C. Wheeler 1967-5-23 9677 Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA598358  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-5-24 9748 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA582053  Lolium rigidum L. C. Wheeler 1933-6-24 1875 Los Angeles Sepulveda Blvd. at Los Angeles River, San Fernando Valley 198 Comment
  UC219272  Lomatium dissectum var. multifidum P. A. Munz 1921-6-17 4621 Los Angeles head of Swartout Valley; San Antonio Mts., Swartout Valley 2072 Comment
  UCR61564  Lomatium lucidum R. G. Swinney 1969-5-5 436 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 358 Comment
  SD51655  Lomatium lucidum Gale Sphon 1959-5-8 331 Los Angeles Ca. 3.5 miles west of Soledad Canyon turnoff on Highway 6, Mint Canyon Comment
  UC1076665  Lomatium nevadense var. parishii Heckard with Bacigalupi 1953-6-16 514 Los Angeles Blue Ridge above Swartout Valley (San Gabriel Mts.); , Blue Ridge 2255 Comment
  POM243775  Lonicera hispidula var. vacillans F. R. Fosberg 1931-4-8 S- 4518 Los Angeles Santa Catalina Island; Avalon Valley 60 Comment
  SD69849  Lonicera hispidula var. vacillans Robert F. Thorne, D. Propst 1968-5-27 37624 Los Angeles Santa Catalina; in upper Skull Canyon. 299 Comment
  UC184329  Lonicera interrupta A. D. E. Elmer June, 1902 3694 Los Angeles Acton Mt. Gleason Comment
  UCR165068  Lonicera interrupta A. C. Sanders, Helen Kennedy 2005-4-13 29468 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
  CAS-BOT-BC234815  Lonicera subspicata John Thomas Howell 1927-10-16 3157 Los Angeles On trail from Santa Anita Canon [Canyon] to Sierra Madre, San Gabriel Mts. Comment
  CAS-BOT-BC234820  Lonicera subspicata G. Earle Kelley 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  RSA672303  Lonicera subspicata Joseph M. Keefe 2001-1-19 30916 Los Angeles Roadside along Sholl Canyon Road, 3 meters north of beginning of the Eagle Rock Park Path, 200 meters north of Figueroa Street, Eagle Rock. 280 Comment
  CAS-BOT-BC234869  Lonicera subspicata var. denudata Robert F. Thorne; D. Propst 1968-5-27 37623 Los Angeles Santa Catalina Island: in upper Skull Canyon 304 Comment
  UC535618  Lonicera subspicata var. denudata Ira W. Clokey, B. Templeton June 1929 4554 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  RSA294752  Lotus Lyman Benson 1945-5-21 11726 Los Angeles [Unspecified] 396 Comment
  UCR65563  Lotus argophyllus var. adsurgens Aaron Liston, Et al. 1989-4-30 803 -2 Los Angeles Channel Islands, San Clemente IslandPyramid Head, S end of the island 15 Comment
  UC729811  Lotus argophyllus var. argenteus Carl B. Wolf 1932-5-10 Los Angeles back of Avalon (summit of the Equestrian Trail); Santa Catalina Island 304 Comment
  RSA406098  Lotus crassifolius var. crassifolius B. C. Templeton 1932-6-19 4939 Los Angeles Big Pines Park, San Gabriel Mountains. 2091 Comment
  UC15715 Image available Lotus davidsonii Dr. A. Davidson 1892-8-1 Los Angeles Wilsons Peak; ; Wilson's Peak, Los Angeles Co. Comment
  RSA253143  Lotus dendroideus var. dendroideus Gary D. Wallace, Mark Hoefs 1975-3-23 1414 Los Angeles Santa Catalina Island. Near entrance to Arboretum in upper Avalon Canyon. Comment
  UC56577  Lotus grandiflorus H. M. Hall May 1 1902-May 3 1902 3085 Los Angeles vicinity Elizabeth Lake; Antelope Valley 1066 Comment
  UC1215250  Lotus hamatus Peter H. Raven 1962-5-8 17591 Los Angeles slopes above Seal Cove; San Clemente Island 24 Comment
  UCR211809  Lotus hamatus Valerie Soza, LeRoy Gross 2001-5-22 1244 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just (<100 ft.) below Ferguson Motorway 473 Comment
  RSA191178  Lotus heermannii var. heermannii R. F. Thorne 1967-7-19 37162 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1982 Comment
  UCR266290  Lotus humistratus D. E. Bramlet, Mike Ahmer 2005-4-14 3803 Los Angeles Puente Hills, Powder Canyon 229 Comment
  RSA641694  Lotus nevadensis var. davidsonii Orlando Mistretta 1993-6-2 868 Los Angeles San Gabriel Mountains: Vincent Gulch Mine. 2072 Comment
  UCR131380  Lotus purshianus Alison Lipman 1998-6-2 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
  UCR150549  Lotus purshianus R. G. Swinney 1999-6-21 7349 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA675736  Lotus salsuginosus Scott D. White 2001-6-5 8562 Los Angeles Liebre Mountains: Grasshopper Canyon area. 427 Comment
  UCR282023  Lotus salsuginosus R. G. Swinney 2014-5-21 16614 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
  UCR78089  Lotus salsuginosus var. salsuginosus David Charlton 1991-7-5 5502 Los Angeles San Gabriel Mtns., Lake Hughes Road, south of Castaic Lake, l mi. [NE] of Visitor Center 400 Comment
  RSA0038275  Lotus scoparius Carol Frazier 1966-6-3 s.n. Los Angeles San Rafael Hills. Comment
  POM96965  Lotus strigosus P. A. Munz 1925-4-23 9429 Los Angeles San Gabriel Canyon. 488 Comment
  RSA526567  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4252 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA702376  Lotus strigosus Scott D. White, Pam De Vries 2004-5-18 10413 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  SEINET3560035 Image available Lotus strigosus Alice M. Ottley 1920-5-5 599 Los Angeles Pasadena Comment
  UCR270858  Lotus strigosus R. G. Swinney 2011-5-24 14820 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR282043  Lotus strigosus R. G. Swinney 2014-4-18 16112 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
  LA210147  Lotus strigosus O. H. Kappler; Los Angeles Comment
  RSA303606  Lotus strigosus J. R. Shevock 1970-3-16 38 Los Angeles foothills of San Gabriel Mts. 457 Comment
  RSA187881  Lotus strigosus var. strigosus R. F. Thorne 1966-4-5 35871 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon 106 Comment
  CAS-BOT-BC201199  Lupinus P. A. Munz 1923-8-31 7674 Los Angeles Swartout [Swarthout] Valley, San Gabriel Mts. 2560 Comment
  UC729526  Lupinus albifrons Carl B. Wolf 1932-5-13 3627 Los Angeles on the Avalon-Isthmus Road 100 yds above The Wishbone, Santa Catalina Island (Santa Catalina Island); Santa Catalina Island 152 Comment
  SEINET10488412  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x arb. Hyb. (1) Comment
  RSA0070140  Lupinus albifrons var. austromontanus Daisie Huang 2009-5-10 09051001 Los Angeles Liebre Sawmill Road, Liebre Mountain. 1649 Comment
  RSA0094365  Lupinus bicolor R. G. Swinney 2011-5-31 14925 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA350044  Lupinus bicolor Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  UCR205211  Lupinus bicolor R. G. Swinney 2008-3-26 8575 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA599879  Lupinus bicolor subsp. marginatus Steve Boyd, Lauren Raz 1997-5-6 9724 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  CAS-BOT-BC187875  Lupinus chamissonis LeRoy Abrams 1902-6-9 2502 Los Angeles Playa del Rey Comment
  SFV1874  Lupinus concinnus P. G. Kilburn 1958-4-12 737 Los Angeles Saugus district of Angeles National Forest. Sawmill Mountain area, 0.5 miles east of entrance to Lower Shake Campground. 1250 Comment
  RSA0106880  Lupinus concinnus Steven A. Junak, Keri Kirkland 1998-5-2 SCA- 648 Los Angeles Santa Catalina Island. S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak. 243 Comment
  RSA597011  Lupinus elatus T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3806 Los Angeles ridgetop to the NW of Crystal Lake (ridge descending SSW from Mt. Islip) 2072 Comment
  SBBG69071  Lupinus excubitus R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  RSA413568  Lupinus excubitus var. austromontanus Robert Gustafson 1978-5-2 893 Los Angeles Off dirt road leading into Hungry Valley, 4 mile from the junction with the 2 lane paved Peace Valley Road, west of Gorman. 1250 Comment
  RSA599805  Lupinus excubitus var. austromontanus Steve Boyd, Lauren Raz 1997-3-25 9297 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA199044  Lupinus excubitus var. hallii W. M. Gauntt 1966-4-30 170 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  RSA598255  Lupinus excubitus var. hallii R. G. Swinney 1989-11-24 1494 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon area. Big Dalton Debris Basin. 365 Comment
  POM175570  Lupinus excubitus var. johnstonii E. Crow 1930-6-29 s.n. Los Angeles Along trail between Camp Coldbrook and Pine Flats, San Gabriel Mountains. Comment
  POM2546  Lupinus formosus var. formosus D. W. Sturges 1916-6-2 s.n. Los Angeles San Antonio Mt 1555 Comment
  RSA535694  Lupinus guadalupensis T. S. Ross 1991-5-22 5451 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  RSA608068  Lupinus hirsutissimus L. C. Wheeler 1931-3-1 s.n. Los Angeles Base of San Gabriel Mountains: Mouth of San Dimas [Canyon]. Comment
  RSA674250  Lupinus hirsutissimus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 701 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  SBBG112967  Lupinus hirsutissimus S. A. Junak 1998-6-13 SCa 752 Los Angeles W side of Avalon Cyn, upslope from fire stn 140 Comment
  UC1129486  Lupinus hirsutissimus A. D. Gifford 1938-5-8 671 Los Angeles 1 mi ne Whitaker Peak; Angeles National Forest, Tejon Quadrangle Comment
  UCR227532  Lupinus hirsutissimus Daisie Huang 2007-3-23 70323- 01 Los Angeles Claremont; Foothill Blvd. at Monte Vista, south side of road in culvert 402 Comment
  UCR280667  Lupinus hirsutissimus R. G. Swinney 2014-5-21 16617 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
  CAS-BOT-BC211685  Lupinus longifolius I. Johnston 1917-6-10 1337 Los Angeles Playa del Rey Comment
  LA200476  Lupinus longifolius Carl B. Wolf; 1931-5-14 2053 Los Angeles Comment
  SEINET10485602  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  RSA0044606  Lupinus microcarpus var. densiflorus A. C. Sanders 2007-4-19 33435 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  SBBG69044  Lupinus microcarpus var. densiflorus R. Hoffmann 1925-4-19 Los Angeles E side of Bouquet Cyn Comment
  UC155237  Lupinus sparsiflorus C. F. Baker 1904-4-15 4103 Los Angeles Claremont Comment
  UCR191286  Lupinus sparsiflorus T. B. Salvato 2008-4-22 3301 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
  UC73236  Lupinus sparsiflorus E. D. Palmer May 1903 Los Angeles near Occidental College; Los Angeles, near Occidental College Comment
  RSA586066  Lupinus sparsiflorus subsp. sparsiflorus Orlando Mistretta 1995-4-21 1640 Los Angeles San Gabriel Mountains, Little Rock Creek, un-named Canyon draining the west slopes of Little Rock Creek Canyon 0.5 mile N of Kitter Canyon 1280 Comment
  PASA1682  Lupinus succulentus Mary Hall 1939-4-28 Los Angeles Claremont Comment
  RSA485548  Lupinus succulentus T. S. Elias, Orlando Mistretta 1988-2-10 10664 Los Angeles San Clement Island: nursery on top of Marine Terrace Grade Comment
  UC865517  Lupinus truncatus F. R. Fosberg 1931-3-25 S 4374 Los Angeles Hamilton Canyon Santa Catalina Island (Santa Catalina Island); , Hamilton Canyon nr top s wall 100 Comment
  UCR281613  Lupinus truncatus R. G. Swinney 2014-5-19 16568 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  UCR57213  Lupinus truncatus R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 1 mi. east of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  RSA414385  Lupinus truncatus Fred Burlew 1920-05 s.n. Los Angeles Crescenta. Comment
  POM49431  Lycium andersonii A. D. E. Elmer 1902-06 3757 Los Angeles Acton, Mt. Gleason. Comment
  CAS-BOT-BC231603  Lycium cooperi Ralph Hoffmann 1932-4-26 s.n. Los Angeles Harold Comment
  CATA668  Lysimachia arvensis Mark L. Hoefs 1991-4-23 1157 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  RSA435271  Lythrum californicum Thekla Mohr 1915-1 s.n. Los Angeles North Fork, San Gabriel River. Comment
  UCR143071  Madia exigua F. R. Fosberg 1931-5-7 S- 4833 Los Angeles Channel Islands, Santa Catalina Island; Cottonwood Canyon, right/south fork 250 Comment
  LA88347  Madia gracilis O. H. Kappler; 1941-5-22 272 Los Angeles Santa Monica Mountains, Zuma Canyon, near summit of Mulholland Hwy and below Saddle Rock 609 Comment
  UCR231393  Madia gracilis Dan S. Cooper 2011-10-5 1011- 127 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper Fern Canyon 244 Comment
  RSA158336  Malacothamnus clementinus Peter H. Raven 1962-7-10 17977 Los Angeles Canyon below Lemon Tank in dump; San Clemente Island. 244 Comment
  SBBG52885  Malacothamnus clementinus F. C. Boutin 1967-4-23 1655 Los Angeles Lemon Tank 304 Comment
  NY37577  Malacothamnus clementinus R. M. Beauchamp 1972-3-24 3236 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM21363  Malacothamnus davidsonii Fordyce Grinnell Jr. 1917-8-19 s.n. Los Angeles Paicoma Wash near San Fernando Comment
  RSA82721  Malacothamnus davidsonii P. A. Munz 1925-4-19 9405 Los Angeles 2 miles east of San Fernando Comment
  RSA126677  Malacothamnus fasciculatus Peter H. Raven, H. J. Thompson 1958-10-11 13752 Los Angeles Santa Monica Mountains. Tuna Canyon Road 0.5 miles from Saddle Peak Road 518 Comment
  RSA719124  Malacothamnus fasciculatus Naomi S. Fraga 2002-4-28 73 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Box Canyon. Comment
  SD253496  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 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 (Sunland 7.5'Q) 494 Comment
  UC625105  Malacothamnus fasciculatus var. catalinensis F. R. Fosberg 1931-5-5 S 4770 Los Angeles Middle Ranch Dam; Santa Catalina Island; Middle Ranch Canyon 200 Comment
  RSA703158  Malacothamnus fremontii Scott D. White 2004-8-11 10705 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  UCR271973  Malacothamnus fremontii R. G. Swinney 2011-5-31 14909 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
  CAS-BOT-BC345316  Malacothrix californica H. M. Hall 1905-6-1 6252 Los Angeles San Fernando Valley Comment
  UC565546  Malacothrix coulteri Herbert L. Mason 1926-4-26 3008 Los Angeles Little Rock Creek Mohave Desert Comment
  RSA151026  Malacothrix foliosa P. H. Raven 1962-5-8 17606 Los Angeles On dunes on western side of island opposite Wilson Cove, San Clemente Island 30 Comment
  CAS-BOT-BC347918  Malacothrix saxatilis var. tenuifolia Malcom A. Nobs; S. Galen Smith 1948-9-8 644 Los Angeles Just west of Malibu Comment
  CAS-BOT-BC347921  Malacothrix saxatilis var. tenuifolia Alice Eastwood 1906-5-27 115 Los Angeles Country adjacent to Los Angeles. Laurel Canyon Comment
  SDSU4814  Malacothrix saxatilis var. tenuifolia H. Wedberg 1966-4-3 1192 Los Angeles Above Hill Dr. x Neal, in Eagle Rock. 457 Comment
  UC33296  Malacothrix saxatilis var. tenuifolia J. Burtt Davy 1888-1 2732 Los Angeles Santa Monica Comment
  RSA95021  Malacothrix saxatilis var. tenuifolia F. W. Peirson s.n. Los Angeles beach above Santa Monica Comment
  RSA0116829  Malosma laurina R. G. Swinney 2010-8-11 13489 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA754137  Malosma laurina Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1823 Los Angeles San Gabriel River main stem across from Morris Dam, CS1 402 Comment
  CAS-BOT-BC167850  Malosma laurina S. Y. Parnay Mar. s.n. Los Angeles Unspecified Comment
  UCR197085  Malus sylvestris LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2829 Los Angeles Transverse Ranges; Verdugo Mountains, southeast side of the San Rafael Hills, behind a power substation near a small pond, at end of Wierfield Drive 313 Comment
  UCR259265  Malva parviflora R. G. Swinney 2010-5-4 12525 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UCR187199  Marah fabacea A. C. Sanders 2006-4-18 32115 Los Angeles Tehachapi Mtns. Foothills, hills south of Oso Canyon on the west side of the Cement Plant Rd., c. 0.75 mile north of Quail Lake 1067 Comment
  RSA0117593  Marah horrida A. C. Sanders 2008-4-17 34922 Los Angeles Transverse Range: hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon. 1037 Comment
  UCR98787  Marah horrida Steve Boyd, T. S. Ross 1997-3-21 9218 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  LA200402  Marah macrocarpa A. M. Johnson; 1928-2-16 2797 Los Angeles Santa Monica Mountains, Griffith Park Comment
  LA200404  Marah macrocarpa Carl Epling; 1925-1-15 6401 Los Angeles SANTA MONICA MOUNTAINS, Santa Monica. Comment
  RSA440987  Marah macrocarpa Howard Mullins 1931-4-15 s.n. Los Angeles Griffith Park. Comment
  UCR16123  Marah macrocarpa R. D. Keys 1973-5-6 s.n. Los Angeles San Gabriel Mountains, 1 mi below Falling Springs Resort, San Gabriel Canyon Road, Angeles National Forest; 15-20 ft. below road on mountainside 1220 Comment
  UCR281992  Marah macrocarpa R. G. Swinney 2014-5-27 16690 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  UC284136  Marah macrocarpa P. A. Munz 1923-4-11 6779 Los Angeles e coast San Clemente Island Comment
  RSA409837  Marrubium vulgare Gale Sphon 1955-5-12 s.n. Los Angeles Mulholland Drive. On fire road opposite Sepulvada fire road. Comment
  SBBG128307  Marrubium vulgare M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Ratay 2011-7-8 25 Los Angeles Deer Valley Trail 62 Comment
  UCD125017  Marrubium vulgare Jack Delaini; Ken Zakar 1974-4-30 143 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 853 Comment
  CAS-BOT-BC348124  Matricaria discoidea Ernest C. Twisselmann 1962-4-10 6858 Los Angeles Mojave Desert. Antelope Valley: Avenue A, 5.2 miles west of Highway 6 670 Comment
  UCD115960  Matthiola incana Daryl Koutnik 1978-3-30 s.n. Los Angeles Dockweiler Beach, south of Ballona Creek. 15 Comment
  POM308888  Medicago lupulina Kay H. Beach 1943-8-12 664 Los Angeles Monroe Canyon above 2100ft in main Channel, San Dimas Experimental Forest. U.S. Forest. Dept., San Gabriel Mt. Range. 640 Comment
  SBBG12324  Medicago polymorpha P. H. Raven 1962-4-9 17131 Los Angeles near barracks, Wilson Cove 60 Comment
  RSA258363  Medicago polymorpha C. W. Tilforth 1973-4-23 772 Los Angeles a few plants found in block 17-16 Comment
  RSA0040467  Melaleuca viminalis R. E. Riefner Jr. 2007-7-28 07 -331 Los Angeles city of Malibu, Malibu Lagoon, east side of Hwy 1, Malibu Lagoon State Park 4 Comment
  POM263184  Melica imperfecta J. C. Roos 1937-3-25 442 Los Angeles 12 miles west of Lancaster Comment
  SD260159  Melica imperfecta R. G. Swinney 2010-5-19 12811 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd, just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy. 1335 Comment
  UCR223042  Melica imperfecta R. G. Swinney 2009-5-6 10661 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR147684  Melilotus albus Steve Boyd, Amber Maurice 2004-5-18 11329 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
  UCR190009  Melilotus albus R. G. Swinney 1998-8-1 6611 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  SD51885  Melilotus indicus Peter H. Raven 1962-4-9 17128 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  UCD108078  Melilotus indicus Daryl Koutnik 1978-3-30 s.n. Los Angeles Northwest of intersection of Pacific Avenue and Culver Boulevard near base of Ballona Bluffs. 3 Comment
  SD69379  Mentha spicata Robert F. Thorne 1966-9-14 36637 Los Angeles Santa Catalina Island; shallow water of small stream in lower Middle Ranch Canyon ca. 3/4 mi. above Ben Weston Beach. 174 Comment
Read comments
Apr 3 2012
  UCR261764  Mentha suaveolens R. G. Swinney 2010-9-13 13828 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR131363  Mentzelia Jeremiah George 2001-3-17 s.n. Los Angeles South Coastal Plains Region, City Hall property, Rancho Palos Verdes 213 Comment
  UCSB72213  Mentzelia affinis Blakley, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  UCR194152  Mentzelia albicaulis A. C. Sanders 2008-4-13 34877 Los Angeles Western Mojave Desert, Antelope Valley, northeastern Palmdale, Ave. 'O' at 90th St. East 786 Comment
  RSA0014582  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2011-6-18 5718 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  UCD117361  Mentzelia laevicaulis R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon. Comment
  IRVC28613  Mentzelia micrantha A. C. Sanders, Mark Elvin 2002-6-20 25238 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
  RSA0080069  Mentzelia micrantha R. G. Swinney 2010-6-4 13039 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  CAS-BOT-BC167612  Mentzelia veatchiana John Thomas Howell 1930-5-12 4872 Los Angeles 1 mile north of Acton Comment
  RSA314589  Mentzelia veatchiana Robert F. Thorne, C. W. Tilforth 1973-4-20 43018 Los Angeles San Gabriel Mts., Mojave Desert Slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 Comment
  RSA60194  Mentzelia veatchiana E. K. Balls, L. W. Lenz 1950-3-28 14466 Los Angeles 1 mile east of junction of Hwys 99 and 138, just south of Gorman. 1159 Comment
  UCR250378  Mentzelia veatchiana A. C. Sanders, Plant Tax. Class 2014-4-12 41010 Los Angeles Mojave Desert, NW of Pinon Hills, 233rd St. East, 0.2 km south of Hwy 138 1095 Comment
  UCR54649  Mentzelia veatchiana A. C. Sanders 1988-4-22 7795 Los Angeles Western Mojave Desert, near Quartz Hill in Lancaster, south of Avenue 'L' at 37th St. West 747 Comment
  RSA402614  Mesembryanthemum crystallinum F. R. Fosberg 1931-7-12 S- 5387 Los Angeles Bird Rock, Santa Catalina Island. Comment
  CAS-BOT-BC435237  Mesembryanthemum crystallinum I. Johnston 1917-4-11 s.n. Los Angeles Wilmington Comment
  UC851881  Mesembryanthemum nodiflorum F. R. Fosberg 1931-4-29 S 4732 Los Angeles 1 1/2 mi below Eagle's Nest (Middle Ranch Canyon); Santa Catalina Island, Middle Ranch Canyon 100 Comment
  RSA535299  Microseris douglasii subsp. platycarpha Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5329 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  UC557806  Microseris douglasii subsp. platycarpha Nell Murbarger 1936-3-1 51 Los Angeles San Clemente Island Comment
  RSA618728  Microseris heterocarpa Scott D. White 1998-5-19 6517 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I5fwy/ Old Ridge rout and the lake. Proposed N Lake Planned community. 427 Comment
  CATA61  Mimulus aurantiacus Mark L. Hoefs, A. Douglas Propst 1973-3-3 38 Los Angeles Santa Catalina Island: North slope of Mt. Black Jack 441 Comment
  LA51924  Mimulus aurantiacus Martha Hilend Kinsey; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA439235  Mimulus aurantiacus Jon Nickoloff 1973-5-2 730502 -4 Los Angeles N-facing slope, Mt. Wilson Trail; Siera Madre. 305 Comment
  RSA522341  Mimulus aurantiacus Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4021 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  RSA650916  Mimulus aurantiacus Dolores Perez 1981-5-3 34 Los Angeles Calif. Hwy 39, Crystal Lake Recreation Area. Roadside of lake bank. Comment
  UCR17993  Mimulus aurantiacus var. puniceus G. R. Johnstone 1934-5-20 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay 91 Comment
  RSA3719  Mimulus aurantiacus var. puniceus Carl B. Wolf 1932-5-10 3509 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 122 Comment
  RSA724667  Mimulus brevipes K. Dobry 1991-6-24 d- 747 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UC576458  Mimulus brevipes Edith A. Purer 1935-5-11 6591 Los Angeles Malibou Road Santa Monica Mts. Comment
  RSA420658  Mimulus cardinalis M. B. Dunkle 1930-7-13 2433 Los Angeles Grand Canyon, Santa Catalina Island. Comment
  POM246631  Mimulus floribundus F. R. Fosberg 1931-5-7 S- 4845 Los Angeles Santa Catalina Island. Cottonwood Canyon, rt. fork. 240 Comment
  RSA733676  Mimulus floribundus R. G. Swinney 1998-8-5 6651 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  RSA515211  Mimulus fremontii Steve Boyd 1986-3-30 1505 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA654417  Mimulus longiflorus Matt Brooks 1988-5-7 31 Los Angeles Whittier, Dark Canyon 0.2 miles east of its confluence with Sycamore Canyon. Comment
  RSA755846  Mimulus moschatus R. G. Swinney 2008-7-2 9124 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
  RSA447977  Mimulus moschatus Anstruther Davidson 1892-05 s.n. Los Angeles Glendale. Comment
  UC1587155  Mimulus nasutus Tim Ross 1991-5-21 5411 Los Angeles junction of upper two forks Box Canyon (sw side of island); San Clemente Island 449 Comment
  UC1930009  Minuartia douglasii V. Soza, LeRoy Gross 2002-4-3 1379 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  SBBG77687  Mirabilis californica F. R. Fosberg 1931-3-18 4293 Los Angeles Hamilton Cyn 10 Comment
  RSA0026046  Mirabilis jalapa Scott D. White 2003-7-31 9717 Los Angeles San Gabriel Mtn foothills: Tujunga area. Big Tujunga Wash at outlet of Hanes Canyon channel. 381 Comment
  RSA649339  Mirabilis laevis Don Holland 1971-3-17 P. 028 Los Angeles Collected on west end of Puddingstone Reservoir, off San Dimas Ave. 335 Comment
  SD84780  Mirabilis laevis var. crassifolia Reid Moran 1941-3-14 706 Los Angeles Santa Catalina Island, on ridge north of Middle Ranch. 299 Comment
  OBI30255  Mirabilis laevis var. crassifolia Robert Soper 1953-5-2 34 Los Angeles Near the sea just S of White's Cove, Catalina Island Comment
  UCR256610  Mirabilis multiflora var. pubescens Anuja Parikh, Nathan Gale 2011-6-1 3404 Los Angeles Mojave Desert, Antelope Valley, 0.6 km south of Avenue K, 0.2 km east of 90th St. West, under powerlines 760 Comment
  UCD86069  Monanthochloe littoralis F. M. Reed 1909-7-6 2856 Los Angeles Catalina Saltimus. Comment
Read comments
Dec 7 2014
  UC1602237  Monardella australis subsp. cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Little Baldy, type station San Antonio Mountains 2895 Comment
  UCR190735  Monardella breweri R. G. Swinney 2001-6-2 7963 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, plateau on east side of Cruthers Creek, 1.3 mi. south of Devils Punchbowl Rd. 1402 Comment
  CAS-BOT-BC219912  Monardella breweri subsp. glandulifera LeRoy Abrams 1902-7-7 2662 Los Angeles Glendora Comment
  RSA226993  Monardella cinerea Robert F. Thorne 1971-8-25 41240 Los Angeles summit of Mt. Baden Powell toward S ridge on crest at top. 2835 Comment
  JEPS73669  Monardella exilis Frank W. Peirson 1921-5-19 2416 Los Angeles Little Rock Creek San Gabriel Mts. 1036 Comment
  CAS-BOT-BC221716  Monardella hypoleuca subsp. intermedia Rev. J. C. Nevin 1882-1-1 s.n. Los Angeles San Juan Hot Springs Comment
  SEINET11263742  Monardella linoides Louis C. Wheeler 1946-8-29 6308 Los Angeles San Gabriel Mountains, Vincent Gap.; 0 2012 Comment
  RSA401626A  Monardella macrantha subsp. macrantha Fordyce Grinnell Jr. 1917-08 3265 Los Angeles near Barley Flats Comment
  UCR143044  Monardella viridis subsp. saxicola L. C. Wheeler 1936-7-2 4203 Los Angeles Transverse Ranges; San Gabriel Mtns, Bell Canyon 945 Comment
  SBBG45754  Monolopia lanceolata Leota Davidson 1966-3-19 218 Los Angeles ca. 1 mi back from head of Tick Cyn off Soledad Cyn Rd 609 Comment
  UC1484362  Monolopia lanceolata Dale E. Johnson with J. L. Strother 1974-4-24 92 Los Angeles 12.8 km (8 mi) e of I-5 (Lebec-Castaic Highway) on n side Antelope Valley Road; w Antelope Valley Comment
  RSA0081564  Monolopia major L. R. Abrams 1903-3-14 3142 Los Angeles San Pedro Hills, near Rocky Point. Comment
  SD227849  Morus alba Scott D. White 1997-5-14 5139 Los Angeles Big Tujunga Wash: Sunland-Tijunga area; alluvial fan below San Gabrial Mts. SW of I-210 Freeway, E of Hansen Dam and N of Wentworth St. USGS 7.5' Sunland quad. 86 Comment
  CHSC26287  Morus nigra James Henrickson 1970-5-2 4658 Los Angeles Claremont. 365 Comment
  LA9631  Muhlenbergia microsperma LeRoy Abrams; 1903-3-8 3111 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UC1109362  Muhlenbergia microsperma Peter H. Raven 1962-5-9 17651 Los Angeles along road just n Guds; San Clemente Island 249 Comment
  LA9692  Muhlenbergia richardsonis M. Lewis; 1933-7-20 3522 Los Angeles San Gabriel Mountains, Buckhorn 1981 Comment
  RSA332891  Muhlenbergia richardsonis Wayne E. Sawyer 1981-6-29 72 Los Angeles Angeles National Forest: CA Hwy 2 between Dawson Saddle and junction of Hwy 39, 2.75 miles from Dawson Saddle 2241 Comment
  RSA647900  Muhlenbergia rigens LeRoy Gross, Wayne Law 2000-8-8 249 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 337 Comment
  SD52293  Muhlenbergia rigens A. J. McClatchie 1891-8-3 11955 Los Angeles Pasadena Comment
  UC934034  Muhlenbergia rigens H. L. Cogswell 1951-5-8 96 Los Angeles small valley 2/3 mi n San Dimas Foothill County Park (small flat at brink (se-facing) of dry stream bed) 441 Comment
  RSA573743  Muilla maritima Timothy S. Ross 1992-7-17 6726 Los Angeles 300m W of the summit of Condor Peak 1588 Comment
  UCR119549  Muilla maritima L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  UCR256630  Muilla maritima Mitch Provance 2010-5-4 0510- 42 Los Angeles Tehachapi Mtns., ridgeline overlooking Hwy I-5 about 0.4 miles NE of Gorman 1430 Comment
  RSA0037414  Myriophyllum R. G. Swinney 2010-9-1 13644 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA421148  Nama demissa Robert Gustafson, Gary D. Wallace 1982-4-26 2537 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  UC1922878  Nassella lepida Valerie Soza, LeRoy Gross 2001-5-9 1192 Los Angeles Transverse Ranges; Verdugo Mountains region; Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  RSA589325  Nassella pulchra Timothy S. Ross, Gery Allan, Mark Elvin, Jennifer Stone 1995-5-19 8587 Los Angeles San Clemente Island: Northern tributary of Canchalagua Canyon, ca. 1070 ft NNE of the 1135-ft trangulation point., Near 32 51'03N 118 23'34W 256 Comment
  POM296755  Navarretia hamata subsp. hamata Lyman Benson 1945-5-11 11710 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  RSA464359  Nemacaulis denudata var. denudata Anstruther Davidson 1892-1 s.n. Los Angeles Los Angeles Comment
  RSA597744  Nemacladus sigmoideus T. S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3747 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA763255  Nemacladus sigmoideus Justin M. Wood 2010-5-10 1623 -B Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UCSB10525  Nemophila menziesii Youngberg, Florence 1937-04 Los Angeles Puddingstone; near San Dimas Comment
  RSA681345  Nemophila menziesii var. integrifolia LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 948 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  RSA653291  Nemophila pedunculata Kelly Middleton, David Middleton 1988-5-8 7 Los Angeles Glendora Ridge Road, 4.4 miles north of Glendora Mountain road and Sierra Madre Blvd. in Glendora 1220 Comment
  RSA0060123  Nicotiana clevelandii J. B. Feudge 1923-7-1 48 Los Angeles Manhattan Beach. 6 Comment
  RSA529146  Nicotiana glauca Tim S. Ross 1991-4-8 4474 Los Angeles Elephant Hill: western Pomona. 229 Comment
  SEINET10696857  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3937 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10696864  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3947 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA119438  Oenothera californica subsp. californica William M. Klein 1958-6-12 475 Los Angeles 23.2 mi north of Castaic on US 99 tp Los Angeles. Comment
  SBBG126926  Oenothera elata subsp. hirsutissima A. Parikh, N. Gale 2011-5-21 3394 Los Angeles San Gabriel River, just W of I-605, 0.7 km N of Lower Azusa Rd/Los Angeles St 109 Comment
  SBBG127075  Oenothera elata subsp. hirsutissima A. Parikh, N. Gale 2011-6-16 3474 Los Angeles Aliso Cyn, 1.5 km W of Angeles Forest Hwy, 0.1 km S of Aliso Cyn Rd; San Gabriel Mtns 1095 Comment
  POM201885  Oenothera elata subsp. hirsutissima L. M. Booth 1932-6-15 1190 Los Angeles East of Huntington Beach. Comment
  UC1870255  Olea europaea LeRoy Gross 2003-3-7 755 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
  SBBG112825  Oligomeris linifolia S. A. Junak with K. Kirkland 1998-7-17 SCa 786 Los Angeles just inland from mouth of Silver Cyn 6 Comment
  UCR225149  Oncosiphon piluliferum Steve Boyd 2006-5-11 11659 Los Angeles Transverse Ranges; San Gabriel Mountains region, Alluvial fan below San Antonio Canyon at southern base of the range, just west of Los Angeles/San Bernardino County line along north margin of the west-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp. 488 Comment
  RSA0097626  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18406 Los Angeles Claremont, 300m south of the SE base of Indian Hill. 394 Comment
  CAS-BOT-BC58028  Opuntia vaseyi Alice Eastwood 1913-5-11 3168 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA300678  Oreonana vestita J. R. Shevock 1974-10-5 3875 Los Angeles Summit of Mt. Baden-Powell. San Gabriel Mountains, Angeles National Forest 2847 Comment
  SD111593  Oreonana vestita Wayne P. Armstrong 1982-6-22 Los Angeles Summit of Mount Baden-Powell 2835 Comment
  POM13535  Orobanche californica subsp. feudgei F. W. Peirson 1922-7-7 s.n. Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  RSA402078  Orthocarpus purpurascens M. B. Dunkle 1932-6-2 2166 Los Angeles Santa Catalina Island. White's landing Comment
  JEPS2994  Osmorhiza brachypoda Frank W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco San Gabriel Mountains 609 Comment
  JEPS2995  Osmorhiza brachypoda Frank W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco San Gabriel Mountains 609 Comment
  RSA0062525  Osmorhiza brachypoda R. G. Swinney 2010-6-4 13050 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  RSA356025  Oxalis albicans subsp. californica Robert F. Thorne 1973-3-14 42648 Los Angeles San Dimas Canyon near its mouth. Comment
  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
  UCR259368  Oxytheca parishii var. parishii R. G. Swinney 2010-10-8 14010 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  POM175398  Packera ionophylla West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles Near north Baldy Peak. Comment
  RSA505264  Packera ionophylla S. Zona, D. Arias, Oscar Dorado, M. Hanson, J. L. Villasenor 1989-6-21 365 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  CHSC95431  Paeonia californica LeRoy Gross 2002-2-24 487 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northwest side; Entered at the corners of Ledge Ave. and Tuxford St. off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Low +- rounded foothills of Coastal sage scrub, horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow hills, where Sunland Blvd. runs through. 351 Comment
  RSA0053890  Paeonia californica R. G. Swinney 2010-4-13 12203 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  UC136333  Paeonia californica C. F. Baker 1903-4-1 5045 Los Angeles Claremont Comment
  RSA221498  Paeonia californica Arthur C. Gibson 1971-4-2 1811 Los Angeles Angeles National Forest, opposite Mountain Avenue near Lower San Antonio Ranger Station 762 Comment
  SEINET6045448  Paeonia californica Louis C. Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UC9344  Paeonia californica G. Survey 1861-2-14 188 Los Angeles Sierra Sta. Monica Comment
  POM8493  Papaver californicum P. A. Munz, R. D. Harwood 1920-4-21 3714 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA746999  Papaver californicum R. G. Swinney 2003-5-3 8191 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, upper drainage on ridge between Pavil and Pine canyons 793 Comment
  CATA283  Papaver heterophyllum Mark L. Hoefs 1973-5-21 297 Los Angeles Santa Catalina Island: Canyon above Renton Mine Road 304 Comment
  UCR181142  Parietaria hespera var. hespera R. G. Swinney 1997-5-13 5517 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  SD186361  Parthenocissus vitacea Andy C. Sanders, Andy Thompson 2003-4-15 26020 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park 316 Comment
  UC166837  Pectocarya anisocarpa Geo. B. Grant 1906-4-18 913 Los Angeles Pasadena Comment
  POM168937B  Pectocarya linearis subsp. ferocula M. B. Dunkle 1929-3-17 2061 Los Angeles Cape Canyon, Catalina Island Comment
  SD88133  Pectocarya linearis subsp. ferocula R. Mitchel Beauchamp, M. Douglas 1972-3-24 3254 Los Angeles San Clemente Island: grassy slope east of impact area above Pyramid Cove 349 Comment
  POM19186  Pectocarya linearis subsp. ferocula P. A. Munz 1923-4-9 6690 Los Angeles Lemon Tank, San Clemente Island Comment
  RSA594957  Pectocarya setosa T. S. Ross 1995-4-26 8392 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1204 Comment
  UCR276807  Pectocarya setosa R. G. Swinney 2010-5-21 12895 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
  RSA425329  Pedicularis semibarbata G. R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  POM348827  Pediomelum californicum Anstruther Davidson 1917-07 3247 Los Angeles Mt. Diablo Comment
  SBBG31296  Pelargonium X hortorum R. F. Thorne 1966-6-1 36477 Los Angeles rd to Pebbly Beach 30 Comment
  CATA658  Pellaea andromedifolia Mark L. Hoefs 1991-4-18 1147 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  SBBG80284  Pellaea andromedifolia F. C. Boutin 1967-4-23 1682 Los Angeles Lemon Tank 304 Comment
  UCR270087  Pellaea andromedifolia R. G. Swinney 2011-4-9 14378 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  CAS-BOT-BC67711  Pellaea andromedifolia R. M. Beauchamp 1967-1-27 112 Los Angeles San Clemente Island - field east of Wilson Cove area. Comment
  CAS-BOT-BC71341  Pellaea mucronata Le Roy Abrams 1901-4-8 1417 Los Angeles Verdugo Hills Comment
  RSA656425  Pellaea mucronata subsp. mucronata Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 707 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 579 Comment
  SD153121  Pellaea mucronata subsp. mucronata Steven A. Junak 1997-4-22 855 Los Angeles San Clemente Island; west side of island, just below rim on north side of Waynuk Canyon, just upstream from large drop-off, across canyon from old fenceline. 365 Comment
  RSA599493  Pellaea mucronata var. mucronata Steve Boyd, Lauren Raz 1997-3-25 9318 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  SEINET3873277  Pellaea mucronata var. mucronata K. Dobry 1991-4-22 441 Los Angeles West San Gabriel Mts. at Elsmere Cyn.; 0 Comment
  UCR101228  Pennisetum clandestinum L. C. Wheeler 1968-11-9 s.n. Los Angeles San Gabriel Mtns., 0.2 miles inside mouth of San Gabriel Canyon 232 Comment
  RSA714520  Pennisetum purpureum A. C. Sanders, Lee Jones 2005-4-8 29340 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UCR258688  Pennisetum setaceum R. G. Swinney 2010-3-16 11926 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  RSA0031685  Penstemon X parishii Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  OBI66301  Penstemon centranthifolius Steve Boyd, Amber Maurice 2004-5-18 11308 Los Angeles Transverse Ranges; Liebre Mts region: Atmore Meadows area Comment
  RSA412442  Penstemon centranthifolius Robin S. Collins 1973-5-28 327 Los Angeles Angeles National Forest, San Gabriel Mountains, Trail Canyon, from start of pack trail into canyon ca. 2 miles 609 Comment
  SEINET13387026 Image available Penstemon centranthifolius R. G. Swinney 2011-1 15169 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  UCR116294  Penstemon centranthifolius B. G. Pitzer 1998-5-12 3712 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  UCR271491  Penstemon centranthifolius R. G. Swinney 2011-5-3 14555 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  NY583871  Penstemon centranthifolius M. E. Jones 05 1882 s.n. Los Angeles Comment
  RSA412452  Penstemon centranthifolius L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  UC27491  Penstemon grinnellii var. scrophularioides J. Burtt Davy May 9 1896-May 24 1896 2476 Los Angeles near Manzana ((near Manzana = region of Sawmill Mountains)); Antelope Valley, near Manzana (= region Sawmill Mts.) Comment
  CLARK-A1528-4307  Penstemon heterophyllus Art Whistler 1966-6-20 9 Los Angeles Malibu Comment
  SEINET10445685  Penstemon labrosus Wesley O. Griesel 1961-6-29 Los Angeles Charleton Flats, San Gabriel Mts. 1524 Comment
  POM305924  Penstemon spectabilis Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1224 Los Angeles Altadena, North Craig Ave. Comment
  NY661219  Penstemon spectabilis var. subviscosus I. W. Clokey 03 1929 4475 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  UCR240545  Pentachaeta lyonii Tim Thomas 1991-5-20 1435 Los Angeles Santa Monica Mountains, ridge east of the intersection of Decker Road and Carlisle Road 358 Comment
  CAS-BOT-BC71666  Pentagramma triangularis subsp. triangularis Geo. B. Grant 1901-1-1 122 Los Angeles From Old Wilson Trail Comment
  SEINET5777425 Image available Pentagramma triangularis subsp. viscosa Marcus E. Jones 1882-1 Los Angeles Pasadena Comment
  CAS-BOT-BC211295  Perideridia gairdneri subsp. gairdneri Dr. H. E. Hasse 1890-8-1 s.n. Los Angeles Near Ballona Comment
  SD237289  Perideridia pringlei R. G. Swinney 2009-5-6 10655 Los Angeles Transverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon, 0.4 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. One population c. 0.8 mi. SE of Mt. Emma Rd. 963 Comment
  CAS-BOT-BC355969  Perityle emoryi G. B. Grant 1906-9-1 7167 Los Angeles Santa Catalina Island Comment
  SBBG11590  Perityle emoryi P. H. Raven 1962-5-9 17658 Los Angeles cyn just N of Guds 249 Comment
  SDSU384  Perityle emoryi R. M. Beauchamp 1967-3-19 321 Los Angeles 1/2 mile south of the runway at Sherman Field, San Clemente Island. Comment
  CHSC5082  Phacelia Mary MacArthur 1967-6-24 67 Los Angeles Angeles National Forest, .7 mi. from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittent stream bed. 1584 Comment
  IRVC27801  Phacelia cicutaria A. C. Sanders, T. B. Salvato 2005-4-26 29744 Los Angeles Santa Clarita area; S of Plum Cyn at end of Canyon Crest Dr, NW of mouth of Mint Cyn. Western San Gabriel/Liebre Mtns Region 488 Comment
  UC881135  Phacelia cicutaria var. hispida Carl B. Wolf 1932-5-11 3567 Los Angeles point on w side Fourth O' July Cove; Santa Catalina Island 30 Comment
  POM73400  Phacelia cicutaria var. hispida Marcus E. Jones 1902-6-27 s.n. Los Angeles Santa Catalina Island. Comment
  RSA748447  Phacelia cicutaria var. hispida Orlando Mistretta 1992-7-9 654 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA746776  Phacelia cicutaria var. hubbyi R. G. Swinney 2008-4-17 8681 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA659946  Phacelia cryptantha Orlando Mistretta 1992-5-18 352 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR280895  Phacelia cryptantha R. G. Swinney 2014-5-7 16410 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  JEPS8605  Phacelia davidsonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4182 Los Angeles junction of road to Horse Flat Public Camp and main (paved) road from Upper Chilao Recreation Area; San Gabriel Mountains, Angeles National Forest 1828 Comment
  RSA725204  Phacelia distans Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -43 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
  SD237469  Phacelia distans R. G. Swinney 2009-5-28 10950 Los Angeles Transverse Range: San Gabriel Mountains: Sulphur Springs Campground, South Fork of Little Rock Creek (Waterman Mtn. 7.5'Q) 1584 Comment
  UC73681  Phacelia distans Geo. B. Grant 1901-1 958 Los Angeles Garvanza Comment
  UCR272573  Phacelia distans R. G. Swinney 2011-5-26 14843 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
  RSA594613  Phacelia distans Louis C. Wheeler 1967-5-8 9328 Los Angeles Liebre Mountains. Between Bouquet Junction and Bonelli Ranch. 381 Comment
  RSA617207  Phacelia douglasii Louis C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs County Park. Comment
  UCR56322  Phacelia douglasii S. J. Myers, Ed LaRue 1989-3-20 s.n. Los Angeles Mojave Desert, Palmdale area, Elizabeth Lake Road at California Aqueduct, San Andreas Rift Zone bisects the site 884 Comment
  SBBG127056  Phacelia fremontii A. Parikh, N. Gale 2011-6-10 3444 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1.3 km N of Aliso Cyn Rd; San Gabriel Mtns 1170 Comment
  RSA0110844  Phacelia grandiflora R. G. Swinney 2011-4-26 14511 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
  UCR209142  Phacelia imbricata R. G. Swinney 2008-6-17 9052 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UC1584235  Phacelia longipes Tim Ross and Steve Boyd 1990-6-6 2878 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle (sw edge) 644 Comment
  RSA0060818  Phacelia minor LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6966 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA11077  Phacelia minor Carl B. Wolf 1928-3-29 1586 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  RSA428062  Phacelia minor Robert M. Perkins 1925-3-24 61 Los Angeles San Antonio Canyon. Comment
  RSA597031  Phacelia minor Tim S. Ross 1990-6-25 3845 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA233419  Phacelia ramosissima var. ramosissima Robert F. Thorne 1969-7-9 38589 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines. 2088 Comment
  CAS-BOT-BC154348  Phacelia stellaris David D. Keck 1935-3-18 3019 Los Angeles San Gabriel River, 2 mi. E. of El Monte 91 Comment
  HSC31662  Phacelia tanacetifolia Thomas E. Higley 1974-4-20 26 Los Angeles 20 mi. NE of Azusa along the E Fork of the San Gabriel River Trail 457 Comment
  PASA1329  Phacelia tanacetifolia Annetta Carter 1929-3-31 Los Angeles Near Clayton Comment
  RSA0048585  Phacelia tanacetifolia P. R. Brown 1970-4-14 43 Los Angeles Woodland Hills Nature Center, Amphitheater area, Canon de Lana. 274 Comment
  RSA426194  Phacelia tanacetifolia Anstruther Davidson 1930-1 s.n. Los Angeles [Unspecified] Comment
  CATA3079  Phalaris minor Amy Catalano, Steven Junak 2016-4-28 091 Los Angeles Santa Catalina Island: West side of Boushay Road, 1 mile from Silver Peak Road 188 Comment
  RSA534140  Phalaris minor Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5075 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  SD52898  Phalaris minor Peter H. Raven 1962-7-11 17993 Los Angeles San Clemente Island; upper reaches of canyon north of station Nanny, northeast of Lemon Tank Comment
  RSA594559  Phleum pratense F. R. Fosberg 1931-8-13 798 Los Angeles Big Cienega, Pine Flats, N Fork San Gabriel River. 2000 Comment
  RSA678691  Pholistoma Mark A. Elvin, Orlando Mistretta 1996-3-24 134 Los Angeles San Clemente Island. Eagle Canyon. Comment
  RSA678467  Pholistoma auritum Mark A. Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 164 Los Angeles San Clemente Island. Loamy bench on south side of canyon. 274 Comment
  CAS-BOT-BC222557  Pholistoma auritum var. auritum John Thomas Howell 1928-4-18 3725 Los Angeles N. side of Griffith Park, Los Angeles Comment
  LA81942  Pholistoma auritum var. auritum O. H. Kappler; 1944-4-2 574 Los Angeles Santa Monica Mountains, Las Flores-Cold Creek Road 548 Comment
  UCR124412  Pholistoma racemosum B. C. Templeton 1968-2-25 11383 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  SD75486  Pholistoma racemosum M. B. Dundle 1939-4-3 7219 Los Angeles San Clemente Island. In moist shaded area. Comment
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Feb 10 2015
  CAS-BOT-BC134958  Phoradendron bolleanum James R. Shevock 1976-4-24 5016 Los Angeles along Big Pines highway in the vicinity of Apple Tree Campground. San Gabriel Mts., Angeles National Forest 1524 Comment
  UCR168435  Phoradendron juniperinum subsp. libocedri I. M. Johnston 1917-8-23 1718 Los Angeles Transverse Ranges; San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 1524 Comment
  UCSB1323  Phoradendron leucarpum subsp. tomentosum Beach, Kay 1944-1-4 Los Angeles Near Tanbark Comment
  UCR168415  Phoradendron macrophyllum I. W. Clokey, B. C. Templeton 1929-4-17 4449 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR178911  Phoradendron macrophyllum R. G. Swinney 1989-7-31 s.n. Los Angeles San Gabriel Mtns., Glendora, 0.5 mi. east of Glendora Mtn. Road on Big Dalton Canyon Rd., south of road 366 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
  RSA587527  Phoradendron villosum Orlando Mistretta, Steve D. Boyd, D. L. Banks 1994-4-29 1101 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  RSA641500  Phragmites australis L. C. Wheeler 1967-8-27 10559 Los Angeles Blind Deer springs, first canyon beyond Shoemaker Canyon on W side of East Fork San Gabriel Pines at new road. Comment
  RSA384016  Phyllospadix torreyi Frances Holzwart 1929-3-21 s.n. Los Angeles Partuguese Bend Comment
  RSA683979  Phyllospadix torreyi E. Yale Dawson 1957-6-30 17203 Los Angeles Lunada Bay, Los Angelas County. Station # 25. Comment
  RSA0020258  Physalis acutifolia Louis C. Wheeler 1931-8-21 1 Los Angeles 1.5 mi N Claremont. 404 Comment
  SEINET5334640  Pinus lambertiana G. B. Grant, Walter Wheeler 1904-5-17 985 - 6233 Los Angeles collected at Mt. Wilson, southern California 1829 Comment
  RSA384364  Pinus monophylla George R. Johnstone 1928-03 s.n. Los Angeles Near Little Rock, Mojave Desert Comment
  UCSB97  Pinus monophylla Ralph, F. 1959-7-18 Los Angeles On U.S. 99, 6.9 miles S of its jct. with Calif. 138 762 Comment
  SEINET11740425  Pinus radiata R. H. Daily 1915-11-13 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC136552  Piperia cooperi Le Roy Abrams 1901-4-1 1525 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA534150  Piptatherum miliaceum Timothy S. Ross, O. Mistretta, M. Hammit 1991-5-17 5049 Los Angeles San Clemente Island: 650 ft. SE of air terminal (New airfield, N end of island). 64 Comment
  NY1154677  Plagiobothrys arizonicus N. H. Holmgren 1974-4-5 7631 Los Angeles North foothills of the San Gabriel Mountains, Portal Ridge, 13 airline miles west of Lancaster 1067 Comment
  UCR250209  Plagiobothrys arizonicus A. C. Sanders, Plant Tax. Class 2014-4-12 41011 Los Angeles Mojave Desert, NW of Pinon Hills, 233rd St. East, 0.2 km south of Hwy 138 1095 Comment
  UCR146347  Plagiobothrys canescens James Henrickson 1985-3-30 19780 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  UC1594387  Plagiobothrys canescens Tim Ross and Elizabeth Kellogg 1992-4-12 6125 Los Angeles 129 degrees se, 525 m distant from Vista (point) (near head of Grove Canyon); San Clemente Island 518 Comment
  UCR223097  Plagiobothrys tenellus R. G. Swinney 2009-6-2 11020 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
  RSA594992  Plantago coronopus Mark Hoefs, Robert F. Thorne 1992-4-1 1731 Los Angeles Emerald Bay. Santa Catalina Island 6 Comment
  POM61309  Plantago erecta L. R. Abrams 1903-4-10 3241 Los Angeles Near Mesmer. Comment
  RSA602076  Plantago erecta Louis C. Wheeler 1946-8-8 6224 Los Angeles San Gabriel Mountains: Lower Rincon. San Gabriel Canyon. Comment
  RSA616130  Platanthera sparsiflora Louis C. Wheeler 1966-8-21 8827 Los Angeles San Gabriel Mountains: Dorr Canyon, northwest side Mount Burnham. Comment
  UCR108191  Platanus racemosa M. E. Siqueiros D. 1997-3-19 4380 Los Angeles San Gabriel Mtns., Claremont, Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. & Foothill Blvd. west of main paved road, north of Foothill Blvd. 50 m from NW fence. 412 Comment
  UCR259972  Platanus racemosa R. G. Swinney 2010-4-20 12297 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR271739  Platanus racemosa R. G. Swinney 2011-10-27 15913 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  SEINET10530979  Platycladus orientalis David B. Dunn 1939-10-25 Dunn UMO 46533 Los Angeles Ornamental plants collected in the vicinity of Orange Dr. and Colorado Blvd., Pasadena. 274 Comment
  RSA0121226  Platystemon californicus M. B. Dunkle 1933-4-19 3321 Los Angeles Palos Verdes Hills. Comment
  UC56432  Platystemon californicus E. Braunton 867 Los Angeles Playa Comment
  UC53983  Pluchea odorata var. odorata H. P. Chandler 1902-9-9 2040 Los Angeles Ballona Marsh Comment
  SBBG32095  Poa annua R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -192 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  UCR198407  Poa annua LeRoy Gross 2007-3-30 2619 Los Angeles Transverse Ranges: Verdugo Mountains, northeast side of the range, unnamed canyon or east branch of Engleheard Canyon, dirt road near the mouth of the canyon 496 Comment
  RSA679196  Poa bulbosa Michael Denslow, LeRoy Gross 2003-5-12 1144 Los Angeles Along Rincon Red Box Road (2N24.1) near intersection with Valley Forge Canyon. 1250 Comment
  RSA599106  Poa pratensis V. W. Steinmann 1996-4-25 848 Los Angeles Claremont, N of Route 10, SW corner of Geneva Ave and Doane Ave 300 Comment
  UCR149902  Poa pratensis R. G. Swinney 1999-6-18 7333 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  RSA0091140  Poa secunda R. G. Swinney 2011-5-24 14804 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  UCR68905  Poa secunda Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4200 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  UC1132762  Poa secunda subsp. secunda A. D. Gifford 1935-3-17 447 Los Angeles 2 1/2 mi sw Red Mt; Angeles Nat'l Forest, Tejon Quadrangle 518 Comment
  SFV1212  Polycarpon tetraphyllum B. J. McCaskill 1965-6-6 700 Los Angeles San Gabriel Valley Pasadena. McCaskill Gardens, 25 South Michillinda Avenue. Comment
  UC1532942  Polygonum argyrocoleon Robert F. Thorne 1975-9-4 47394 Los Angeles Fisherman's Cove Santa Catalina Island, campus of USC Marine Science Center Comment
  CAS-BOT-BC414001  Polygonum aviculare subsp. aviculare Peter H. Raven; Henry J. Thompson 1959-9-18 14432 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Santa Monica Boulevard near Beverly Glen Boulevard, West Los Angeles 76 Comment
  UCR205737  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36985 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  RSA602344  Polygonum lapathifolium Scott D. White 1997-5-8 5087 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  UCSB62407  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canyon Comment
  SD112059  Polypodium calirhiza Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Santa Catalina Island: Mid-Avalon Canyon-Hour Trail Comment
  LA82502  Polypogon interruptus O. H. Kappler; 1943-5-9 407 Los Angeles 6 Comment
  RSA0021955  Polypogon maritimus Duncan S. Bell, Caitlin Elam 2013-6-24 5295 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  CAS-BOT-BC232419  Polypogon monspeliensis J. H. Thomas 1957-6-2 6806 Los Angeles Pasadena, Arroyo Seco under and near Colorado Street Bridge Comment
  RSA654299  Polypogon monspeliensis Monica Acosta 1998-5-22 16 Los Angeles The Center for Regenerative Stuedies, South of California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  SEINET10861092  Polypogon monspeliensis Carl C. Epling, M. Epling 1925-5-15 Epling s.n. Los Angeles Griffith Park Comment
  RSA229013  Polystichum imbricans subsp. curtum R. F. Thorne, C. W. Tilforth 1971-6-29 40732 Los Angeles San Gabriel Mountains: Angeles National Forest: Mixed evergreen forest on steep wooded bank of Lucas Creek S of Big Tujunga Narrows along Angeles Forest Rd. 914 Comment
  RSA587120  Polystichum imbricans subsp. imbricans Orlando Mistretta 1995-5-23 1727 A Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1372 Comment
  UCR205717  Populus balsamifera subsp. trichocarpa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36921 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  POM360750  Populus fremontii F. R. Fosberg 1931-5-16 S 4853 Los Angeles Santa Catalina Island. Coach Road bridge, Cottonwood Canyon. 50 Comment
  UCR192955  Populus fremontii Dan S. Cooper 2008-4-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Northwest entrance to Griffith Park, lower Oak Canyon adjacent to Travel Town, Los Angeles 165 Comment
  RSA158011  Populus trichocarpa M. B. Dunkle 1928-3-31 1804 Los Angeles Cottonwood Canyon, Santa Catalina Island. 122 Comment
Read comments
Aug 27 2010
  UCR137457  Potamogeton foliosus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Soledad Canyon, Santa Clara River 530 Comment
  LA201498  Potentilla glandulosa subsp. glandulosa Arthur C. Gibson; 2003-5-16 4858 Los Angeles Comment
  RSA0005769  Potentilla peirsonii F. W. Peirson 1919-6-16 493 Los Angeles S Fork of Rock Creek, San Gabriel Mts. 1982 Comment
  RSA7588  Prunus ilicifolia Carl B. Wolf 1933-11-9 5547 Los Angeles Placerita Creek, 1 mile E of Newhall. 396 Comment
  LA52088  Prunus ilicifolia subsp. ilicifolia A. M. Johnson; 1934-4-20 4436 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM140372  Prunus ilicifolia subsp. ilicifolia C. F. Baker 1903-8-2 3670 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  SBBG44676  Prunus ilicifolia subsp. lyonii W. A. Wright 1931-2-19 Los Angeles Bannings Cyn 152 Comment
  RSA549500  Prunus virginiana var. demissa Tim S. Ross, Steve D. Boyd 1990-6-18 3486 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  CAS-BOT-BC356410  Pseudognaphalium beneolens Timothy S. Ross; Steve Boyd 1994-9-20 8267 Los Angeles Liebre Mountains. Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir 934 Comment
  CAS-BOT-BC356561  Pseudognaphalium biolettii George B. Grant; Walter Wheeler 1904-4-21 6195 Los Angeles Isthmus. Santa Catalina Island, Pacific Ocean, off southern California Comment
  POM40451  Pseudognaphalium biolettii Marcus E. Jones 1882-3-2 s.n. Los Angeles Pasadena Comment
  RSA0068460  Pseudognaphalium biolettii R. G. Swinney 2010-3-16 11943 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
  RSA59144  Pseudognaphalium biolettii G. R. Campbell 1950-4-17 14853 Los Angeles Escondido Canyon, leading to Malibu Lake, ca. 5 miles above Highway Alt. 101. 457 Comment
  RSA617701  Pseudognaphalium biolettii Scott D. White 1997-2-2 4461 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, S of San Dimas Ave, and E of the I-210 Freeway. 244 Comment
  SD255661  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14139 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  UC74000  Pseudognaphalium biolettii Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  UCR258911  Pseudognaphalium biolettii R. G. Swinney 2010-4-23 12352 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR68904  Pseudognaphalium biolettii Steve Boyd, T. Ross, L. Arnseth 1990-4-7 4201 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side 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
  SBBG131718  Pseudognaphalium californicum S. A. Junak 1999-5-22 SCa 1004 Los Angeles end of Goat Harbor, W fork of cyn 54 Comment
  CAS-BOT-BC356701  Pseudognaphalium californicum Le Roy Abrams 1901-4-7 1426 Los Angeles Arroyo Seco Comment
  RSA0069650  Pseudognaphalium luteoalbum R. G. Swinney 2010-6-23 13342 Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  SEINET7063488  Pseudognaphalium ramosissimum A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta-Brea Canyon Road. Puenta Hills. UTM Zone 11, 415263mE, 3762506mN. (WGS84/NAD83). 126 Comment
  RSA0012268  Pseudognaphalium stramineum Orlando Mistretta, Youssef Atallah 2011-8-12 6026 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. 1083 Comment
  UCR270848  Pseudognaphalium stramineum R. G. Swinney 2011-6-29 15325 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  RSA656851  Pseudotsuga macrocarpa Valerie L. Soza, Laura Moore 2000-6-14 1014 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  UCR149058  Pseudotsuga macrocarpa June Latting 1973-1-3 s.n. Los Angeles San Gabriel Mountains., Big Rock Creek site, Fenner Canyon 1707 Comment
  RSA158301  Psilocarphus tenellus P. H. Raven 1962-5-9 17664 Los Angeles Near head of canyon at S end of Mosquito Cove, San Clemente Island 290 Comment
Read comments
Dec 25 2010
  SD144151  Pteris vittata Scott D. White, Pam DeVries 1997-11-25 6028 Los Angeles San Gabriel River Canyon: north of Azusa; parallel to Highway 39, along unnamed dirt access road to gauging station, below Morris Dam. 249 Comment
  RSA160887  Pteris vittata L. L. Kiefer 1963-2-17 432 Los Angeles Eaton Canyon; 50 yards above dam above 1st falls to 100 yards below 2nd falls 457 Comment
  UCR182736  Pterospora andromedea R. G. Swinney 1997-7-23 5737 A Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  UCR202516  Pterospora andromedea R. G. Swinney 2001-8-9 8020 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  RSA0062846  Pterostegia drymarioides LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6769 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR125495  Pterostegia drymarioides A. C. Sanders, Mark Elvin 2003-4-14 25976 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR155593  Pterostegia drymarioides A. C. Sanders, Helen Kennedy 2005-4-13 29455 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0080437  Purshia glandulosa R. G. Swinney 2010-5-19 12786 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA2104  Pycnanthemum californicum Ernest Braunton 1928-09 1022 Los Angeles San Gabriel Canyon. 20 miles up canyon. 610 Comment
  UC883752  Pycnanthemum californicum P. A. Munz 1922-7-17 6069 Los Angeles San Antonio Cayon San Gabriel Mts., San Antonio Canyon (hillside below Camp Baldy) 1280 Comment
  CAS-BOT-BC45783  Quercus J. H. Thomas 1957-5-11 6746 Los Angeles About 2 miles NE of La Canada, near Angeles Crest Highway. Upper Sonoran Zone 609 Comment
  CATA1785  Quercus X macdonaldii Benjamin E. Carter, John Clark 2012-8-9 6963 Los Angeles Santa Catalina Island: Bulrush Canyon, below Salta Verde turnoff 255 Comment
  UCSB34823  Quercus agrifolia var. agrifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona 274 Comment
  LA200022  Quercus berberidifolia Jonathan Sauer; 1974-10-5 5625 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  LA200024  Quercus berberidifolia A. M. Johnson; 1927-11-11 2680 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  LA46614  Quercus berberidifolia Robert Fowler; 1934-4-20 4400 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  RSA571667  Quercus berberidifolia Fay A. MacFadden 1931-7-8 3078 Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SFV12017  Quercus berberidifolia D. L. Koutnik, B. Holguin 1978-4-1 227 Los Angeles Antelope Valley side of road from Lake Hughes to Fairmont Reservoir. 1067 Comment
  UCR150957  Quercus berberidifolia Sandra L. Leatherman, Brian Daniels 1998-11-10 62 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon: Directly west of the intersection of Bouquet Canyon Road and Vasquez Canyon Road 488 Comment
  UCR208081  Quercus berberidifolia B. C. Templeton 1930-4-2 1433 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  UCSB58657  Quercus berberidifolia Muller, Cornelius 1937-8-27 Los Angeles Fillmore Valley and Ventura county line 182 Comment
  RSA475270  Quercus chrysolepis Mark Hoefs 1974-10-3 593 Los Angeles Santa Catalina Island: Upper Fern Canyon -ridge between Mt. Orizaba & Mt. Banning. 518 Comment
  RSA507982  Quercus chrysolepis Steve Boyd 1988-4-28 2239 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  SBBG119292  Quercus chrysolepis V. Soza, K. Hughes 1999-6-17 545 Los Angeles upper Winter Crk Trail at San Olene Cyn; T1N R11W SW/4 S3 731 Comment
  SBBG89560  Quercus chrysolepis J. Adams 1965-5-14 223 Los Angeles Mt San Antonio Cyn, 2.7 mi above lower San Antonio forest Stn 1011 Comment
  UC72508  Quercus chrysolepis Geo. B. Grant Jul 1902 1085 Los Angeles Mt. Lowe Comment
  CAS-BOT-BC86206  Quercus dumosa Marian L. Campbell 1921-3-28 130 Los Angeles Los Angeles Comment
  UCSC001117  Quercus dumosa Peter Kamb 1948-2-14 775 Los Angeles Santa Anita Canyon, San Gabriel Mountains 396 Comment
  POM123222A  Quercus durata var. gabrielensis Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  UCR270167  Quercus durata var. gabrielensis R. G. Swinney 2011-4-9 14370 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA748286  Quercus engelmannii Justin M. Wood 2009-4-13 500 Los Angeles Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 49 Comment
  CAS-BOT-BC94749  Quercus john-tuckeri Timothy S. Ross; Steve Boyd 1994-5-25 7926 Los Angeles Necktie Basib: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of 1075 Comment
  UCSB60670  Quercus kelloggii Muller, Cornelius 1937-8-7 Los Angeles 5 mi West of Swarthand, San Bernardino Mtns. 1524 Comment
  CAS-BOT-BC61549  Quercus lobata Louis Wheeler 1933-8-5 2050 Los Angeles Encino, S side San Fernando Valley 228 Comment
  POM20907  Quercus lobata Fordyce Grinnell Jr. 1917-4-10 s.n. Los Angeles Pasadena. Comment
  UCR280403  Quercus pacifica Jeremiah George, Eric Kline 2017-4-17 417- 06 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  SBBG41299  Quercus tomentella M. R. Benedict 1970-6-27 Los Angeles lower Cape Cyn about 1.5 mi above jct with Middle Cyn Comment
  SBBG41535  Quercus tomentella M. R. Benedict 1970-6-29 Los Angeles Orizaba Mtn head of Sweetwater Cyn Comment
  SD90619  Quercus tomentella Robert F. Thorne 1966-4-16 36074 Los Angeles San Clemente Island, NE side of island, south of Nanny, in bottom of canyon below Lemon Tank, near dump, small grove 182 Comment
  SEINET13953950 Image available Quercus tomentella Robert F. Thorne, P. Everett 1965-1 34503 Los Angeles along gully, upper end of Gallagher Canyon; Santa Catalina Island 411 Comment
  UCR258602  Quercus wislizeni R. G. Swinney 2010-8-11 13513 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  JEPS112753  Rafinesquia californica Dean W. Taylor 2002-4-30 18023 Los Angeles upper headwaters Haskell Canyon, Del Sur Ridge, Angeles National Forest 609 Comment
  RSA0088254  Rafinesquia californica R. G. Swinney 2010-5-25 12958 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
  UCD135329  Rafinesquia californica Daryl Koutnik 1978-5-2 462 Los Angeles Bell canyon in the Simi Hills. 426 Comment
  LA52188  Ranunculus californicus A. M. Johnson; 1928-2-16 126 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  PASA2627  Ranunculus californicus Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  POM99358  Ranunculus californicus Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA722372  Ranunculus californicus Frances Battey s.n. Los Angeles Laguna. Comment
  SBBG82792  Ranunculus californicus var. californicus M. Bufkin -Apr-1895 Los Angeles Pasadena Comment
  RSA400002  Ranunculus hebecarpus Bonnie C. Templeton 1947-5-21 6273 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA0098830  Rhamnus californica subsp. californica R. G. Swinney 2011-7-8 15517 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1171 Comment
  CAS-BOT-BC59974  Rhamnus crocea Carl B. Wolf 1932-3-4 2668 Los Angeles S. base of San Gabriel Mts. Thompson Creek, 3-4 mi. No. of Claremont. 457 Comment
  POM305830  Rhamnus crocea Henry J. Ramsey, Henry J. Ramsey 1940-3-4 1080 Los Angeles Foothill Blvd. West of San Gabriel Bridge. Comment
  SD237587  Rhamnus ilicifolia R. G. Swinney 2009-6-2 11006 Los Angeles Transverse Range: San Gabriel Mountains: east slope of Pacifico Mountain at Fountainhead Spring (Pacifico Mtn. 7.5'Q) 2012 Comment
  SEINET13946341 Image available Rhamnus ilicifolia Paul Gripp 1954-1 s.n. Los Angeles Malibu picnic park on way to YMCA camp Comment
  CAS-BOT-BC59777  Rhamnus pirifolia Carl B. Wolf 1932-10-5 4236 Los Angeles Santa Catalina Island. 1 mi. from Middle Ranch on road to Black Jack Peak. 274 Comment
  SBBG13072  Rhamnus pirifolia E. R. Blakley 1962-6-9 5120 Los Angeles head of a rocky cyn between Triangulation Pts "Chenity" and "Rest" 335 Comment
  UC1184982  Rhamnus pirifolia Huron H. Smith 1912-5-29 5026 Los Angeles Summit Road, Santa Catalina Island Santa Catalina Island 396 Comment
  RSA495627  Rhamnus tomentella subsp. cuspidata S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villase - or 1989-6-21 329 Los Angeles Mountain High Ski Resort. W of Wrightwood; N slopes of San Gabriel Mts. 2018 Comment
  LA32122  Rhamnus tomentella subsp. tomentella Peter H. Raven; 1959-10-18 14679 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy 2.9 mi E of Decker Rd. 662 Comment
  UCR200112  Rhus aromatica Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 655 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  CAS-BOT-BC170461  Rhus integrifolia Tim Ross; Laurel Arnseth; Steve Boyd 1990-4-8 4402 Los Angeles E side of island, Bryce Cyn near Malo Point - San Clemente Island Comment
  CATA1464  Rhus integrifolia Mark L. Hoefs, Robert F. Thorne 1996-4-6 2649 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  RSA121772  Rhus integrifolia P. L. Johannsen 1934-1-27 247 Los Angeles 1/2 mile N.W. Mission Point. 838 Comment
  RSA296859  Rhus integrifolia W. L. Jepson 1908-7-13 3054 Los Angeles Swain Canon Comment
  RSA0062682  Rhus laurina Matt Bogdanoff 1981-5-31 43 Los Angeles Big Dalton Canyon Road, 0.7 mi E of junction with Glendora Mountain Road, N of Glendora. 365 Comment
  CAS-BOT-BC167952  Rhus ovata C. F. B. 1903-4-2 4147 Los Angeles Hills near Monrovia Comment
  CATA3515  Rhus ovata Julia Parish 2017-12-31 048 Los Angeles Santa Catalina Island: Pacific side; Grand Canyon watershed; ridge south of Upper Coffeepot Road before it turns down to Coffeepot Canyon 404 Comment
  RSA612199  Rhus ovata Bill Campbell 1932-3-19 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  UCR220384  Rhus ovata R. G. Swinney 2009-4-16 10352 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  UCR252772  Rhus ovata R. G. Swinney 2010-3-10 11789 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR273129  Rhus ovata R. G. Swinney 2011-4-26 14523 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
  CHSC95384  Rhynchelytrum repens LeRoy Gross; Naomi Fraga, Bill Hogshead 2002-3-21 499 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southwest side: South of La Tuna Canyon Road, at end of Morning Glow Way. Slope on west side of Chandler Canyon. 449 Comment
  CAS-BOT-BC433165  Ribes Ernest Braunton 1903-1-10 793 Los Angeles Arroyo Seco Comment
  UCSB33720  Ribes aureum Miller, Brian 1963-3-15 Los Angeles Whittier Narrows; San Gabriel River 91 Comment
  RSA127414  Ribes aureum var. gracillimum H. J. Thompson 1959-3-22 1872 Los Angeles 1 mile west of Triunfo Canyon, 3 miles west of Malibu Lake, Lobo Canyon. Santa Monica Mountains. 244 Comment
  RSA522321  Ribes aureum var. gracillimum Steve Boyd 1990-2-3 3815 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon. Comment
  CAS-BOT-BC92456  Ribes aureum var. gracillimum H. E. McMinn 1924-8-4 1224 Los Angeles Huntington Drive near Pasadena. Comment
  SFV4829  Ribes californicum F. L. McPherson 1959-4-29 s. n. Los Angeles Santa Susana Mountains Oat Mountain. North side of mountain near top. 1128 Comment
  LA50719  Ribes californicum var. hesperium A. M. Johnson; 1934-3-24 4387 Los Angeles Santa Monica Mountains, Sepulveda Canyon, along Sepulveda Blvd 243 Comment
  RSA85322  Ribes californicum var. hesperium F. W. Peirson 1919-1-5 300 Los Angeles Sawpit Canyon or Monrovia Canyon (the fruiting branch from Fish Canyon), south base of San Gabriel Mts. 457 Comment
  UC1127404  Ribes californicum var. hesperium P. L. Johannsen 1934-2-15 284 Los Angeles Towsley Canyon Santa Susana Quadrangle Comment
  UCR145812  Ribes californicum var. hesperium June Latting 1973-2-24 s.n. Los Angeles San Gabriel Mountains, Monrovia Canyon 549 Comment
  UC586878  Ribes cereum Joseph Andorfer Ewan 1934-8-3 8319 Los Angeles region Swartout Valley (Table Mountain at head of Le Montaine Creek); San Gabriel Mts., Table Mt., Le Montaine Creek 2225 Comment
  UCR223686  Ribes cereum R. G. Swinney 2009-8-25 11485 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
  CAS-BOT-BC108875  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash. 91 Comment
  SEINET3151780  Ribes hesperium G. B. Grant 1906-2-21 1122 a-6593 Los Angeles Santa Anita Canyon, southern Cal. 762 Comment
  JEPS49340  Ribes indecorum Frank W. Peirson 1919-5-21 299 a Los Angeles San Gabriel Mountains, Arroyo Seco, Trail to Switzers Arroyo Seco; San Gabriel Mountains, Arroyo Seco 944 Comment
  RSA660227  Ribes indecorum Fred Brooks 1988-5-7 40 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  RSA675701  Ribes indecorum Scott D. White 2001-2-4 8156 Los Angeles Evey Canyon, a tributaryto San Antonio Cyn just above San Antonio Flood Control Dam. 732 Comment
  CAS-BOT-BC173429  Ribes malvaceum Roxana S. Ferris 1941-3-10 10324 Los Angeles West of U.S. Highway #99 near Pico Canyon road, Santa Susana Mountains 472 Comment
  SD215555  Ribes malvaceum var. malvaceum Tim Ross, Peter Fritsch 1990-6-20 3646 Los Angeles Rincon Red Box Road (1N24) 2.6 miles below Pine Mountain junction; 80 degrees ENE, ca. 1720 meters distant from Pine Mountain (4539'). 1032 Comment
  JEPS49350  Ribes malvaceum var. viridifolium Frank W. Peirson 1919-5-18 71 Los Angeles ridge between Monrovia Canyon and Fish Canyon 1066 Comment
  LA205477  Ribes malvaceum var. viridifolium Joseph Andorfer Ewan; 1929-5-11 2114 Los Angeles San Gabriel Mountains, Haines Canyon, Mt. Lukeus Trail 914 Comment
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Dec 17 2014
  POM187642  Ribes malvaceum var. viridifolium Joseph A. Ewan 1930-3-2 3713 Los Angeles Along trail thru, Higgins Canyon, Santa Monica Mts. Comment
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May 9 2014
  UC212583  Ribes montigenum I. M. Johnston 1917-7-4 1415 Los Angeles summit Baldy; San Antonio Mountains 3048 Comment
  RSA0021184  Ribes nevadense Duncan S. Bell 2013-7-11 5375 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  RSA573753  Ribes nevadense Tim S. Ross 1990-8-17 3168 Los Angeles S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2042 Comment
  UCR151719  Ribes nevadense Steve Boyd, Amber Maurice 2004-5-18 11306 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  UCR271218  Ribes nevadense R. G. Swinney 2011-9-27 15707 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  UCR95527  Ribes quercetorum Steve Boyd 1996-4-25 8679 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Cyn, south of Liebre Mtn. From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 1000 Comment
  RSA476239  Ribes roezlii Samuel R. Tyson 1943-4-28 s.n. Los Angeles San Gabriel Canyon. 1616 Comment
  UCR256580  Ribes roezlii var. roezlii Anuja Parikh, Nathan Gale 2011-7-7 3549 Los Angeles Transverse Range; San Gabriel Mountains, Barley Flats, 4.2 km west of Shortcut Station, 1.1 km north of State Hwy 2 (Angeles Crest Hwy) 1667 Comment
  LA50725  Ribes speciosum Barbara Crumly; 1953-4-4 sn Los Angeles Comment
  UC1127558  Ribes speciosum F. H. Raymond 1930-1-13 25 Los Angeles head Corral Canyon; Calabasas Quadrangle Comment
  UCR124748  Ribes speciosum B. C. Templeton, I. W. Clokey 1930-4-2 1423 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  CAS-BOT-BC173942  Ribes viburnifolium Blanche Trask 1896-3-22 s.n. Los Angeles Santa Catalina Island Comment
  RSA3692  Ribes viburnifolium Carl B. Wolf 1932-5-10 3538 Los Angeles Santa Catalina Island, ridge between Mt. Shatto and the summit of Equestrial Trail, back of Avalon. 335 Comment
  RSA592316  Ricinus communis L. C. Wheeler 1967-5-13 9499 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA76952  Ricinus communis F. W. Peirson 2047 Los Angeles New York Ave, Altadena. Comment
  CHSC26121  Robinia pseudoacacia Lawrence Pinter 1965-5-4 271 Los Angeles Little Rock Canyon, San Gabriel Mtns. 975 Comment
  SBBG31362  Romneya coulteri R. F. Thorne with P. C. Everett 1965-6-22 Los Angeles S of Avalon Golf Course 91 Comment
  CLARK-A1703-77  Romneya trichocalyx Art Whistler 1966-5-1 660501-4 Los Angeles Comment
  CATA115  Rosa californica Peter Henrikson 1987-5-8 86 Los Angeles Santa Catalina Island: Little Springs Canyon 30 Comment
  CHSC100160  Rosmarinus officinalis John Dittes; Josephine Guardino 2006-11-25 1432 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Little Tujunga Cyn; ca. 4.5 air-miles northeast of Pacoima Memorial Hospital, ca. 3.3 air-miles southwest of Magic Mountain Communications Facility, ca. 2.4 air-miles west of Mendenhall Peak; 0.2 air-mile southwest of Dillon Divide; west side of FS Route 3N322. 830 Comment
  SD230287  Rubus armeniacus Louis C. Wheeler 1969-12-22 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon. Clump in canyon bottom by abandoned cabin site. 579 Comment
  RSA591462  Rubus discolor Louis C. Wheeler 1966-10-12 8974 Los Angeles San Gabriel Mountains. East fork, San Gabriel River, 1/4 mi. upstream from Heaton Flat. 610 Comment
  CAS-BOT-BC156590  Rubus ulmifolius Louis C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: Big Santa Anita Canyon 579 Comment
  RSA773609  Rubus ursinus R. G. Swinney 2009-6-12 11119 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  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
  SD153085  Rumex conglomeratus Steven A. Junak 1996-5-18 SCI 488 a Los Angeles San Clemente Island, E side of island, at mouth of canyon at Mosquito Cove, canyon bottom 6 Comment
  RSA466077  Rumex crispus Bonnie C. Templeton 1932-7-20 5013 Los Angeles Big Pines Park. 2092 Comment
  POM1629  Rupertia physodes P. A. Munz 1918-5-25 2278 Los Angeles Claremont - Live Oak Canyon Comment
  RSA596175  Ruppia cirrhosa L. C. Wheeler 1946-8-28 6303 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  JEPS51082  Sagina apetala George B. Grant 1917-4-15 Los Angeles Pasadena Comment
  CAS-BOT-BC103143  Salix bonplandiana Grant 1902-3-16 4559 Los Angeles Pasadena, Eagle Rock Comment
  IRVC27333  Salix exigua A. C. Sanders, Mark Elvin 2003-8-7 27164 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  RSA589345  Salix exigua Orlando Mistretta 1994-3-30 951 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  RSA92544  Salix exigua F. W. Peirson 1921-3-6 9611 Los Angeles San Gabriel Wash. 213 Comment
  UCR271884  Salix gooddingii R. G. Swinney 2011-3-15 14070 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  LA208746  Salix laevigata Carl Hedin; Joseph Ewan 1932-4-30 7646 Los Angeles Above Ballona Creek, S of Culver City [Area 2] Comment
  SBBG59086  Salix laevigata C. W. Sharsmith 1932-1-17 11 Los Angeles San Gabriel Cyn, ca. 9.5 km above Azusa 91 Comment
  SD1034  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mountains 14 Comment
  UC492424  Salix laevigata Carl W. Sharsmith 1932-1-17 11 Los Angeles ca. 9.5 km. above Azusa; Lower San Gabriel Canyon 300 Comment
  POM362733  Salix lasiolepis Ora M. Clark 1929-1-13 1468 Los Angeles S. Los Angeles. Comment
  RSA602562  Salix lasiolepis Louis C. Wheeler 1967-9-2 10617 Los Angeles San Gabriel Mountains: Devil's Canyon, ca. 1/4 mile downstream from Devil's Canyon-Little Bear Creek Saddle 1951 Comment
  RSA762454  Salix lasiolepis R. G. Swinney 2009-2-20 10013 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39. 305 Comment
  SBBG57885  Salix lasiolepis F. R. Fosberg 1932-1-26 7172 Los Angeles top of grade between Calabasas and Agoura 285 Comment
  SJSU235  Salix lasiolepis C. W. Sharsmith 1931-11-15 3 Los Angeles foot of coastal headlands near mouth of Topanga Canyon, Santa Monica Mts 15 Comment
  UCR209275  Salix lasiolepis R. G. Swinney 2008-10-7 9483 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  RSA92644  Salix lasiolepis F. W. Peirson 1919-2-9 317 Los Angeles Fish Canyon, south base of San Gabriel Mountains 457 Comment
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Dec 10 2014
  RSA92645  Salix lasiolepis F. W. Peirson 1919-5-10 4281 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mountains. 838 Comment
  CDA20782  Salsola australis M. O'Brien 2006-10-8 s.n. Los Angeles Southern California Coast; Along Mulholland Hwy., between Stunt Rd. and Old Topanga Canyon Rd. 0 Comment
  CDA32774  Salsola australis M. O'Brien 2010-9-1 MOB 10 -04 Los Angeles South Coast; Intersection of Echo Park Ave. and Landa St., Los Angeles. 192 Comment
  RSA595791  Salsola tragus Steve Boyd, Lauren Raz 1996-10-8 9024 Los Angeles Liebre Mountains region, rugged hills at eastern edge of Bouquet Canyon, south of Vasquez Canyon and northwest of Cruzan Mesa, along Vasquez Canyon Road, ca. 0.9 miles east of junction with Bouquet Canyon Road. 524 Comment
  RSA0110503  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-7 15088 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
  UCR256563  Saltugilia splendens subsp. grantii Anuja Parikh, Nathan Gale 2011-6-24 3502 Los Angeles Transverse Ranage; San Gabriel Mountains, south of Iron Mountain, 1.5 km east of Angeles Forest Hwy, 0.9 km south of Monte Cristo Creek 1390 Comment
  RSA71817  Saltugilia splendens subsp. grantii Joseph A. Ewan 1929-7-9 2063 Los Angeles Dry gravelly bank, Old Wilson Trail above Orchard Cp., San Gabriel Mountains. 1220 Comment
  CHSC90743  Salvia apiana John Gerard 1972-5-12 Los Angeles Hills behind the campus of California Polytechnic College. Pomona. Comment
  LA99222  Salvia apiana R. L. Armacost; 1960-6-9 1298 Los Angeles 335 Comment
  RSA145219  Salvia apiana Alice Ann Webb 1961-2-9 766 Los Angeles Johnson's Pasture, Claremont, up fire road. Mountain Range - San Gabriel. 457 Comment
  RSA9744  Salvia apiana Louis C. Wheeler 1932-5-21 725 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  SBBG128120  Salvia apiana M. L. Hoefs 1994-7-18 1890 Los Angeles NE of upper end of rd to White's Landing 243 Comment
  SEINET3101621  Salvia apiana G. Rink 2011-6-1 10582 Los Angeles Chino Hills, northeast of La Brea. 260 Comment
  SBBG55043  Salvia apiana A. Heise 1950-5-8 49 Los Angeles 0.5 mi E of Claremont (Sixth and Colorado) 335 Comment
  RSA0081520  Salvia carduacea R. G. Swinney 2010-5-12 12763 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  NY42902  Salvia columbariae J. B. Walker 1995-3-30 1300 Los Angeles Angeles National Forest, Ridge Rt USFS 8N04, 10km S of Hwy 138 1300 Comment
  RSA567270  Salvia columbariae Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3939 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  UC578051  Salvia columbariae G. T. Nordstrom 1935-4-21 466 Los Angeles 0.5 mi n Tejon Pass; Tejon Quad. 1280 Comment
  UC883890  Salvia columbariae Ira W. Clokey, B. Templeton Apr 1929 4495 Los Angeles Mandeville Canyon; Santa Monica Mountains 350 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
  UCR198510  Salvia columbariae Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  CAS-BOT-BC183874  Salvia columbariae Timothy S. Ross; Steve Boyd 1994-5-4 7684 Los Angeles Head of South Portal Canyon: northwest of Grass Mountain on forest service road that follows South Portal Canyon 1179 Comment
  UCSB41790  Salvia columbariae Fall, G. 1970-3-25 Los Angeles along the roadside of 110th St; 2.6 mi. from intersection with K Ave; 11 mi. from Sierra Hwy 1036 Comment
  UCR24532  Salvia dorrii K. K. Muller 1957-5-14 814 Los Angeles Mint Canyon. Comment
  UCSB5787  Salvia dorrii var. dorrii Haller, John 1960-4-3 Los Angeles near cutoff road from Mint Canyon (US 6) to Littlerock; 0.7 miles northeast of US 6; at a point 4.2 miles south of Palmdale 914 Comment
  SBBG6479  Salvia dorrii var. pilosa H. and M. Dearing 1933-4-9 1555 Los Angeles Little River, Mint Cyn Rd [confusing locality despite typewritten label] Comment
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Jan 12 2015
  RSA446318  Salvia leucophylla Anstruther Davidson 1893-5-20 s.n. Los Angeles Newhall. 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
  UC1125369  Sambucus mexicana R. St. John 1930-2-15 96 Los Angeles Pico Canyon Santa Susana Quadrangle 533 Comment
  CAS-BOT-BC238755  Sambucus nigra subsp. caerulea Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Valley Comment
  UCR259132  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-4 12532 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UCR281167  Sambucus nigra subsp. caerulea R. G. Swinney 2014-6-5 16710 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  UC57558  Samolus parviflorus J. H. Barber 1898-7-3 Los Angeles Los Angeles County, California Los Angeles County; , California Comment
  UCR13455  Sanicula arguta O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA485829  Sanicula arguta T. S. Elias, Orlando Mistretta 1988-2-10 10671 Los Angeles San Clemente Island: just south of field station on East side of island. Comment
  RSA527608  Sanicula arguta Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4435 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA533883  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5159 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 441 Comment
  POM3422  Sanicula bipinnata L. R. Abrams 1901-4-3 1301 Los Angeles Los Angeles River, San Fernando Valley Comment
  RSA592771  Sanicula tuberosa Steve Boyd, Michael Wall 1996-4-4 8542 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17;, ca 0.4 road miles south of jtn with 5N30, south of Red Mountain. Near 34 deg 33.120'N, 118 deg 31.541'W. T5N R16W sec. 2. 701 Comment
  RSA471115  Sarcodes sanguinea F. R. Fosberg 1931-8-11 s 5649 Los Angeles Pine Flats, N fork San Gabriel Canyon 1900 Comment
  CHSC95411  Sarcostemma cynanchoides subsp. hartwegii LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 394 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  LA82092  Saxifraga californica O. H. Kappler; 1941-3-8 101 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA777430  Schedonorus arundinaceus R. G. Swinney 2009-5-27 10857 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  POM186325  Schinus molle L. C. Wheeler 1932-9-6 1352 Los Angeles Thompson wash near La Verne. 373 Comment
  RSA628879  Schismus arabicus L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  SEINET5322421  Schismus arabicus M. Mooney 1982-4-3 411 Los Angeles Mint Canyon off HWY 14 Comment
  RSA708676  Schismus barbatus Valerie L. Soza, Miriam Sidibeh 2003-3-26 1613 -a Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  UC116276  Schoenoplectus acutus var. occidentalis unknown Jun 1919 Los Angeles Compton Comptom Comment
  UC917898  Scirpus californicus Frank W. Gould 1944-4-12 2294 Los Angeles near junction of Imperial Blvd. and Carminata; near junction of Imperial Blvd. and Carminata Comment
  UC306134  Scirpus cernuus I. Johnston 1917-6-14 1344 Los Angeles w Pomona; w of Pomoma Comment
  UCR277211  Scrophularia californica R. G. Swinney 2010-5-25 12932 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA425194  Scrophularia californica subsp. floribunda H. L. Bauer 1932-5-1 16802 Los Angeles Topanga Canyon. Comment
  SEINET3371878  Scrophularia desertorum G. Rink 2011-6-3 10588 Los Angeles Hills east of Highway 605 and south of Highway 60, about 15 miles east of LA 223 Comment
  UCR89484  Scrophularia peregrina T. S. Ross, Steve Boyd 1993-3-24 6819 Los Angeles RSABG; collected on the SE edge of Indian Hill Mesa (also observed in the Bernard Field Station to the east of the Botanic Garden) 402 Comment
  POM210536  Scutellaria siphocampyloides Victor Duran 1933-7-8 3503 Los Angeles San Gabriel Mountains, Horse Flats. 1677 Comment
  UCD125683  Scutellaria siphocampyloides Cameron Blake; Jane Turner, Francis M. Ball 1962-6-2 954 Los Angeles Mill Creek Picnic Ground on Angeles Crest Highway. North of La Canada. 1097 Comment
  UCR149887  Scutellaria siphocampyloides R. G. Swinney 1999-6-18 7334 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR273567  Scutellaria siphocampyloides R. G. Swinney 2011-6-15 15184 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA594560  Scutellaria tuberosa Louis C. Wheeler 1967-5-7 9283 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 625 Comment
  LA209597  Selaginella asprella Lawrence L. Kiefer; 1966-10-22 2465 Los Angeles San Gabriel Mountains, upper Little Rock Creek, ca. 3 mi down from junction of Burkhart and Rattlesnake trails 1523 Comment
  LA209611  Selaginella asprella Lawrence L. Kiefer; 1966-7-31 2305 Los Angeles San Gabriel Mountains, NE of Buckhorn Camp, Rattlesnake Trail, between Rattlesnake Spring and Burkhart Trail 1828 Comment
  LA209613  Selaginella asprella Lawrence L. Kiefer; 1963-1-1 348 Los Angeles San Gabriel Mountains, Crystal Lake. Rock outcrops W of the N end of lake 1828 Comment
  SBBG96998  Selaginella bigelovii S. Boyd with T. Ross, L. Arnseth 1990-8-8 4400 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  RSA0070065  Selaginella bigelovii Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 18 Los Angeles Deer Valley Trail. 41 Comment
  CAS-BOT-BC333083  Senecio flaccidus var. douglasii Alice Eastwood 1919-6-21 9054 Los Angeles San Fernando Comment
  CAS-BOT-BC333106  Senecio flaccidus var. douglasii F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  CAS-BOT-BC333114  Senecio flaccidus var. douglasii Le Roy Abrams 1902-7-3 2646 Los Angeles Little Santa Anita Canyon Comment
  LA88555  Senecio flaccidus var. douglasii O. H. Kappler; 1941-6-3 284 Los Angeles Santa Monica Mountains, Escondido Canyon, along Latigo Canyon Road 457 Comment
  RSA0017016  Senecio flaccidus var. douglasii P. A. Munz 1923-5-27 6888 Los Angeles Wash east of Rock Creek. Comment
  RSA739776  Senecio mikanioides John Dittes, Eva M. Dittes 2005-12-30 1303 Los Angeles S Coast, Santa Monica Mtns, Topanga Canyon, 2.2 air miles N of intersection of Topanga Canyon Road and Pacific Coast Hwy, 1.6 air miles SE of intersection of Topanga Canyon road and Old Topanga Canyon Road., 1.5 air miles W of Santa Ynez Canyon, slope on W side of Topanga Canyon road. 130 Comment
  RSA604525  Senecio mikanioides Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2556 Los Angeles Santa Catalina Island; beach at empire landing. 3 Comment
  POM243A  Senecio vulgaris I. M. Johnston 1917-2-10 s.n. Los Angeles Pomona Comment
  RSA240681  Senecio vulgaris Donald R. Bissing 1973-4-20 43 Los Angeles Evey Canyon, San Gabriel Mountains. Growing along roadside 0.4 mile from mouth of canyon. 731 Comment
  RSA639744  Senecio vulgaris L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: Ridge east of Ham Canyon. 754 Comment
  RSA0056347  Sequoia sempervirens P. R. Brown 1971-4-1 s.n. Los Angeles Pierce College Nature Center, upper end of Canon de Lana. 274 Comment
  RSA670355  Setaria parviflora Bonnie C. Templeton 1956-7-4 7677 Los Angeles E. Los Angeles. Comment
  RSA683910  Setaria parviflora Michael Denslow 2003-11-8 1901 Los Angeles Northeast corner of Cambridge and Arrow Hwy. in Claremont. (Ontario Quad) 333 Comment
  CDA2454  Setaria viridis T. C. Fuller 1958-8-6 5118 Los Angeles West of 90th Street East, 1/4 mile south of Avenue I, 9 miles east of Lancaster. 0 Comment
  RSA599830  Setaria viridis Steve Boyd, Lauren Raz 1997-5-6 9741 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA590820  Sibara filifolia D. Propst, Mark Hoefs 1973-6-5 350 Los Angeles Santa Catalina Island, Cape Canyon. 305 Comment
  UCR154141  Silene antirrhina A. C. Sanders 2005-5-11 30166 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  RSA526149  Silene gallica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4143 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA592301  Silene gallica L. C. Wheeler 1967-5-13 9526 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 259 Comment
  SEINET4076467  Silene gallica M. B. Dunkle 1939-1 7305 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SEINET11944391  Silene laciniata J. F. Brigh, Wywman, C. 1933-1 8349 Los Angeles Boquet Canyon Comment
  UCR256221  Silene laciniata subsp. major R. G. Swinney 2010-6-4 13036 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  POM183626  Silene laciniata subsp. major Joseph A. Ewan 1929-5-18 1252 Los Angeles 1 mile above mouth of Los Flores Canyon. Comment
  RSA628810  Silene lemmonii Scott D. White, David E. Bramlet 1998-6-29 6817 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA135198  Silene multinervia Peter H. Raven, Henry J. Thompson 1960-5-16 15385 Los Angeles Along fire break in coastal sage association, ridge east of Temescal Canyon. 244 Comment
  RSA439082  Silene noctiflora Anstruther Davidson 1920-1 3336 Los Angeles Alvarodo St. Comment
  RSA438869  Silene verecunda subsp. platyota Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. Comment
  RSA65067  Silene verecunda subsp. platyota F. W. Peirson 1929-7-1 8433 Los Angeles San Gabriel Mountains: Tie Canyon, Aliso Creek tributary; trail to Mt. Pacifico 1433 Comment
  UCR205206  Sisymbrium altissimum R. G. Swinney 2006-6-18 8544 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR95336  Sisymbrium altissimum L. C. Wheeler 1946-8-28 6277 Los Angeles San Gabriel Mtns., Mescal Creek, just about (S of) Appletree Flat 1884 Comment
  RSA0087864  Sisymbrium orientale R. G. Swinney 2010-6-21 13298 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
  RSA724770  Sisymbrium orientale K. Dobry 1991-6-13 d- 718 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  RSA589143  Sisymbrium orientale Orlando Mistretta 1994-5-13 1222 Los Angeles Little Rock Creek, Slopes E of creek opposite confluence with Kitter Canyon 1402 Comment
  RSA755965  Sisymbrium orientale Orlando Mistretta, Christine Mistretta 2008-4-4 2314 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 54 per TRTP survey; 2008) 1341 Comment
  RSA366939  Sisyrinchium bellum T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  UCR124671  Sisyrinchium bellum B. C. Templeton 1933-7-21 5033 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  RSA422426  Solanum douglasii Tom Burch 1940-2-22 4018 -6 Los Angeles Redondo Beach Comment
  SDSU11167  Solanum douglasii Gerald Collier 1951-3-22 M 455 Los Angeles Faculty Hill; 1/4 mile west of UCLA Campus, dense, shady hillside. Comment
  RSA0069418  Solanum umbelliferum R. G. Swinney 2010-3-10 11803 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA182750  Solanum umbelliferum J. Massey 1966-3-26 1122 Los Angeles Cobal Canyon, ca. .5 mi from entrance. Comment
  RSA427426  Solanum umbelliferum C. Epling, Louis C. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  RSA648281  Solanum umbelliferum Jami Liberi 1983-5-19 22 Los Angeles Located in Claremont, across the [street] from the San Antonio Dam. 640 Comment
  UC457237  Solanum umbelliferum Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles San Gabriel Mountains, Big Pines Camp Big Pines Camp; San Gabriel Mountains, Big Pines Camp Comment
  UC574931  Solanum umbelliferum Carl Epling and Louis Wheeler 1933-6-4 1850 Los Angeles near Summit (Ridge Route); Ridge Route 1524 Comment
  CAS-BOT-BC236429  Solanum wallacei Carl B. Wolf 1932-5-9 3491 Los Angeles Along road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island 304 Comment
  UCR177294  Solanum xanti Scott D. White, Michael Honer 2003-5-7 9190 Los Angeles Santa Clarita area, South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway 366 Comment
  UCD127062  Solanum xanti Marc Meyer 1993-2-27 1 Los Angeles Santa Susana Mts., Moonshine Canyon Park, Porter Ranch, 1.0 miles north of Tampa offramp of 118 Freeway. 400 Comment
  RSA473607  Solidago californica Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  RSA701270  Solidago confinis LeRoy Gross 2003-5-4 817 Los Angeles South side of mountains: Along east side of Brand canyon in the upper reaches of this canyon. Narrow canyon with cascading waterfalls. 520 Comment
  SD255663  Solidago velutina subsp. californica R. G. Swinney 2010-9-9 13764 Los Angeles San Gabriel Mountains; Big Cienaga, north of Crystal Lake Campground, 0.6 mile east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. (Crystal Lake 7.5'Q) Comment
  UC1929629  Solidago velutina subsp. californica Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 353 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 1.8 mi w of gate. Comment
  SBBG67931  Sonchus oleraceus M. N. Ackley -Dec-1928 1165 Los Angeles Eagle Rock 182 Comment
  UCR259402  Sonchus oleraceus R. G. Swinney 2010-8-30 13635 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  SEINET10617738  Sonchus oleraceus David B. Dunn 1946-1 Dunn 2005 Los Angeles Weed in the yard at 316 N Ave. 50, Los Angeles. Comment
  UCD136185  Sonchus oleraceus James Henrickson 1963-4-30 1232 Los Angeles Evey Canyon, northeast of Claremont, along road to Mt. Baldy. 792 Comment
  RSA604492  Sorghum halepense L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, Old Point Comfort. Comment
  SBBG89559  Spartium junceum J. Adams 1965-4-29 155 Los Angeles Evey Cyn 762 Comment
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Jan 26 2015
  RSA188007  Spergula arvensis R. F. Thorne 1966-4-29 36292 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon 198 Comment
  UC2026412  Spergula arvensis Louis C. Wheeler 1946-7-9 6220 Los Angeles SAN GABRIEL: Garibaldi Avenue and San Gabriel Boulevard. Comment
  POM157992  Spergularia bocconi M. B. Dunkle 1928-3-17 1737 Los Angeles Santa Catalina Island, Howland s Landing. Comment
  SD90534  Spergularia macrotheca Ira L. Wiggins 1949-2-22 11962 Los Angeles Northern end of San Clemente Island. Comment
  NY482312  Spergularia macrotheca S. D. Boyd 1990-4-7 4250 Los Angeles San Clemente Island. Lower half of China Syn, S end of island, W side. Comment
  SBBG95276  Spergularia macrotheca var. macrotheca M. B. Dunkle 1928-4-9 1815 Los Angeles Emerald Bay 3 Comment
  SBBG98421  Spergularia macrotheca var. macrotheca T. Ross 1991-5-22 5443 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  RSA0098600  Spergularia marina L. R. Abrams 1901-4-1 1224 Los Angeles Ballona Harbor. Comment
  RSA0098590  Spergularia marina George Johnston s.n. Los Angeles Compton Creek near Domingez. Comment
  SEINET3372082  Spergularia rubra G. Rink 2011-6-6 10598 Los Angeles Just south of the Triple Clays Shooting Range in Whittier, weedy place 55 Comment
  UCD116780  Sphaeralcea ambigua T. E. Weier 1941-6-26 s.n. Los Angeles San Gabriel Mts. Near Vincent. Comment
  CAS-BOT-BC235434  Sporobolus airoides A. D. E. Elmer 1902-6-1 3623 Los Angeles Lancaster Comment
  RSA729768  Stachys albens R. G. Swinney 1998-8-6 6701 Los Angeles Alder Gulch, a western tributary of upper East Fork San Gabriel River. 1159 Comment
  RSA729887  Stachys albens R. G. Swinney 1998-8-28 6848 Los Angeles San Gabriel Mtns.: Stoddard Canyon at Stoddard Falls 915 Comment
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Dec 10 2020
  RSA446646  Stachys bullata T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  RSA446656  Stachys bullata Frances M. Morey 1922-5-15 s.n. Los Angeles Los Angeles. Comment
  RSA59142  Stachys bullata G. R. Campbell 1950-4-17 14588 Los Angeles Escondido Canyon, on road to Malibu Lake, 7 miles from Hwy Alt. 101. 457 Comment
  RSA784835  Stebbinsoseris heterocarpa J. D. Olmsted 1959-5-13 618 Los Angeles San Gabriel Mountains; Evey Canyon, 550 yards west of San Antonio Canyon 716 Comment
  RSA632944  Stellaria media Valerie L. Soza, Kent Hughes 1999-6-17 534 Los Angeles San Gabriel Mountains: Chantry Flat, off road 2N41, west of water tank 701 Comment
  UCR200132  Stellaria media Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 775 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, well of De Bell Municipal Golf Course, southeast of Starlight Theater 335 Comment
  UCR146327  Stellaria nitens James Henrickson 1985-3-30 19792 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  CAS-BOT-BC375142  Stephanomeria cichoriacea C. F. Baker 1903-8-2 3656 Los Angeles San Antonio Canon [Canyon] near Claremont Comment
  UCR209122  Stephanomeria cichoriacea R. G. Swinney 2008-6-24 9088 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  CAS-BOT-BC375358  Stephanomeria exigua subsp. coronaria Timothy S. Ross; Steve Boyd 1994-9-21 8280 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  RSA772396  Stephanomeria parryi R. G. Swinney 2009-5-12 10721 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  UCR281957  Stephanomeria parryi R. G. Swinney 2014-4-24 16192 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
  SBBG67911  Stephanomeria pauciflora R. Hoffmann 1927-8-31 Los Angeles E slope of divide in Mint Cyn Comment
  POM21361  Stephanomeria virgata Fordyce Grinnell Jr. 1917-8-19 s.n. Los Angeles Paicoma Wash near San Fernando Comment
  CATA3450  Stephanomeria virgata subsp. virgata Benjamin J. Dion, Stuart Olshevski 2017-6-28 032 Los Angeles Santa Catalina Island: Channel Side; on flat area along a cliff above the beach at Ripper's Cove 22 Comment
  UCR126999  Stipa cernua A. C. Sanders 2003-6-19 26967 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR192925  Stipa coronata Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, along footpath up ridge just above Sunset Ranch Stables, Los Angeles 335 Comment
  UCR280770  Stipa lepida R. G. Swinney 2014-5-19 16581 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA592833  Stylocline gnaphaloides L. C. Wheeler 1967-4-30 9214 1/2 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 396 Comment
  SBBG32131  Stylocline gnaphaloides R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -217 Los Angeles lower-middle Bullrush Cyn, Salta Verde Comment
  RSA549535  Stylocline gnaphaloides Timothy S. Ross 1992-4-27 6243 Los Angeles Claremont: S side of Indian Hill Mesa, SW of RSA ground. 393 Comment
  RSA713243  Stylocline psilocarphoides LeRoy Gross 2005-5-3 2228 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA446235  Stylomecon heterophylla Anstruther Davidson 1890-3-24 s.n. Los Angeles Foothills L.A. Comment
  RSA529156  Symphoricarpos rotundifolius var. parishii T. S. Ross, S. D. Boyd 1991-7-24 5634 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1902 Comment
  JEPS22807  Symphyotrichum greatae I. M. Johnston 1917-10-27 1761 Los Angeles Evey Canyon; San Antonio Mountains, Evey Canyon 914 Comment
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Aug 20 2007
  SBBG14286  Symphyotrichum greatae H. and M. Dearing 1944-5-10 5888 Los Angeles Charlton Flats, Angeles Crest Hwy Comment
  UC1929596  Symphyotrichum subulatum var. elongatum Steve Boyd, Mark Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11701 Los Angeles Transverse Ranges; Liebre Mountains region; southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains. 1024 Comment
  RSA595935  Syntrichopappus fremontii L. C. Wheeler 1967-5-12 9465 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA587150  Syntrichopappus lemmonii Orlando Mistretta 1995-4-28 1658 Los Angeles Kitter canyon. Slopes W of main Canyon. 1402 Comment
  RSA587959  Syntrichopappus lemmonii Orlando Mistretta 1994-4-15 1050 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  RSA0115858  Tamarix Steven A. Junak 1999-5-6 SCa- 886 Los Angeles Santa Catalina Island. Parsons Landing, at W wnd of beach, just inland from creek mouth. 6 Comment
  RSA669706  Tamarix aphylla LeRoy Gross 2002-2-2 470 Los Angeles North side: Shaved off peak top with concrete foundation, just west of McGroarty Cross, (near Pasko Park) off of Verdugo Crestline Drive, east of Woodward Ave., (Grown back and gone back to nature, but shown on The Thomas Guide, street guide and directory of 1999). South of Sunland-Tujunga and north of Verdugo Crestline Drive. 625 Comment
  RSA601152  Tamarix ramosissima Louis C. Wheeler 1966-9-6 8876 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir. Comment
  UCR187354  Tanacetum parthenium R. E. Riefner Jr. 2006-6-12 06- 237 Los Angeles Transverse Range, East of Sunland, Verdugo Mountains, north side of 210 Freeway c. 0.6 mi west of La Tuna Canyon Rd. intersection 475 Comment
  RSA455565  Tauschia arguta Louis Greata 1907-03 s.n. Los Angeles Near Eagle Rock Comment
  UCSB8527  Tauschia arguta Albright, S. 1957-4-7 Los Angeles Mulholland Drive 243 Comment
  RSA596419  Tauschia parishii T. S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3356 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1731 Comment
  UC1605262  Tauschia parishii Timothy S. Ross and Steve Boyd 1994-5-11 7788 Los Angeles ca 1750 m wsw Bear Gulch Camp (central summit area Liebre Mtn, Liebre Mountains); Liebre Mountains, Liebre Mtn Quad. 1694 Comment
  UC41570  Tecoma capensis Ernest Braunton May 1901 Los Angeles Singleton Court L. A. Comment
  SJSU2610  Tecomaria capensis C. W. Sharsmith 1962-12-29 6927 Los Angeles Tujunga Comment
  RSA763245  Tetradymia axillaris var. longispina Justin M. Wood 2010-5-10 1645 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UCD136745  Tetradymia comosa Daryl Koutnik 1978-5-2 458 Los Angeles Bell Canyon in the Simi Hills. 426 Comment
  RSA616939  Thalictrum fendleri var. fendleri Louis C. Wheeler 1967-8-8 10370 Los Angeles Middle Fork Alder Creek, ca. 1/4 mile SE of Loomis Ranch. 1311 Comment
  RSA660257  Thalictrum fendleri var. polycarpum Orlando Mistretta, Peter L. Morrell 1992-6-4 505 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  SBBG70258  Thelypodium integrifolium R. Hoffmann 1928-7-8 Los Angeles Lancaster Comment
  RSA762424  Thinopyrum intermedium R. G. Swinney 2008-7-24 9339 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA639064  Thinopyrum ponticum L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Foster Ranch, Sycamore Canyon. South slope Johnstone Peak 731 Comment
  UCR182716  Thysanocarpus R. G. Swinney 1998-4-11 5939 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  RSA721287  Thysanocarpus curvipes R. G. Swinney 1998-3-14 5907 Los Angeles Evey Canyon, ca. 0.75 mi. W of Mt. Baldy Rd., ca. 0.3 mi. NE of Potato Mtn. 793 Comment
  RSA430255  Thysanocarpus curvipes Geo L. Moxley 1914-2-15 200 Los Angeles Hills north of Highland Park Comment
  RSA527766  Thysanocarpus laciniatus Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-8 4329 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  SD143460  Thysanocarpus laciniatus var. laciniatus Darley F. Howe 1948-5-25 1813 Los Angeles Bouquet Canyon 760 Comment
  RSA751249  Tillandsia usneoides A. C. Sanders, Dan S. Cooper 2008-1-11 34412 Los Angeles Franklin Canyon, just above Franklin Canyon Ranch on side of Lake Dr. 157 Comment
  UCD169227  Tillandsia usneoides A. C. Sanders; Dan S. Cooper 2008-1-11 34412 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon, just above Franklin Canyon Ranch on side of Lake Dr. 157 Comment
  RSA235088  Tiquilia nuttallii James Henrickson 1971-5-2 5541 Los Angeles 15 miles E of Palmdale, S slope of Lovejoy Buttes. 854 Comment
  RSA0105222  Tribulus terrestris R. G. Swinney 2011-10-27 15901 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA0088139  Tribulus terrestris Steven A. Junak, Keri Kirkland, Margie Bushman 1998-10-21 SCa- 815 Los Angeles Santa Catalina Island. White's Landing, roadside, just inland from buildings. 6 Comment
  CAS-BOT-BC225151  Trichostema lanatum Tim Ross; Steve Boyd 1993-5-23 7252 a Los Angeles Lower, easterly ridge of Red Mtn., ca 700-840 m SE of the saddle between Ruby and Clearwater Cnayons, Green Valley 7.5' USGS quad, Liebre Mountains 963 Comment
  RSA682610  Trichostema lanatum Scott D. White, Michael Honer 2003-5-7 9220 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  SD185248  Trichostema lanatum A. C. Sanders, Helen Kennedy 2005-4-13 29461 Los Angeles Santa Clarita area, lower Mint Canyon. 456 Comment
  CDA40997  Trichostema lanatum A. C. Browne 1953-5-24 s.n. Los Angeles Van Alden Canyon, San Fernando Valley. 0 Comment
  RSA447117  Trichostema lanceolatum M. B. Dunkle 1929-11-3 2150 Los Angeles Santa Catalina Island; Summit Banning. Comment
  SEINET2082051  Trichostema lanceolatum S. Holiday 2003-7-17 Los Angeles Palmdale. Vacant lot behind Wal-Mart off Ave. P. 106 Comment
  RSA187769  Trichostema lanceolatum Robert F. Thorne 1966-9-15 36682 Los Angeles Santa Catalina Island: above and NW of Parson s Landing. 122 Comment
  RSA642419  Trichostema parishii Orlando Mistretta 1995-6-23 1842 Los Angeles San Gabriel Mountains: Lookout Mountain trail. 1814 Comment
  LA200498  Trifolium ciliolatum W. O. Griesel; 1936-5-9 s.n. Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, above Malibu Lake. 220 Comment
  UCR153129  Trifolium gracilentum A. C. Sanders 2005-5-5 29888 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA615303  Trifolium microcephalum Valerie L. Soza 1998-4-26 75 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard: West of main road, SE of Phake Lake, just N of foothill Boulevard. 412 Comment
  SBBG130702  Trifolium microcephalum S. A. Junak 2000-5-6 SCa 1271 Los Angeles just W of Upper Quarry Rd, above Empire Landing, ca. 2.0 mi W of intersection with rd to housing 292 Comment
  SBBG108897  Trifolium microcephalum S. A. Junak 1997-3-12 SCl 766 Los Angeles ridgetop on S side of second cyn S of Camera Pad "Malo" 365 Comment
  UCR209962  Trifolium monanthum R. G. Swinney 2008-7-15 9234 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  RSA724491  Trifolium obtusiflorum K. Dobry 1992-10-25 d- 1100 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  RSA0116240  Trifolium resupinatum A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-8-1 25531 Los Angeles Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  OBI70669  Trifolium variegatum Louis C. Wheeler 1961-6-9 7849 Los Angeles San Gabriel Mts. Big Tujunga Cyn at Vetter Gulch 1280 Comment
  PASA256  Trifolium variegatum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  UCR271196  Trifolium variegatum R. G. Swinney 2011-6-6 14997 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  CHSC5085  Trifolium variegatum var. geminiflorum Mary MacArthur 1967-6-24 70 Los Angeles .7 mi. from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittent stream bed, Angeles National F. 1584 Comment
  UC50340  Trifolium willdenovii H. M. Hall 1903-4-1 3753 Los Angeles Arroyo Seco Comment
  RSA771575  Triteleia lugens Richard G. Swinney 2009-6-2 11015 -B Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
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Jul 24 2018
  SD69671  Tropaeolum majus Robert F. Thorne, P. Everett 1965-6-22 34867 Los Angeles Santa Catalina Island: just south of Lookout Point 29 Comment
  IRVC29015  Typha domingensis A. C. Sanders, Mark Elvin 2002-6-25 25292 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
  CAS-BOT-BC91128  Umbellularia californica Timothy S. Ross 1992-4-21 6235 Los Angeles San Gabriel Mountains. Fallen Leaf Spring. Draining northward to Cow Canyon. 1341 Comment
  RSA0087378  Umbellularia californica R. G. Swinney 2010-8-9 13459 Los Angeles Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  UC1126320  Umbellularia californica R. St. John 1930-2-5 85 Los Angeles Oat Mountain 1066 Comment
  RSA0073589  Uropappus lindleyi Orlando Mistretta, Christine Mistretta 2005-4-21 2065 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  SBBG67839  Uropappus lindleyi R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  RSA126729  Urtica urens Peter H. Raven, Henry J. Thompson 1959-5-5 14128 Los Angeles Mulholland Highway, 1 mile W of Las Virgenes Road; Malibu Creek drainage. 305 Comment
  CAS-BOT-BC327071  Venegasia carpesioides LeRoy Abrams 1902-6-15 2542 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA475497  Venegasia carpesioides Geo. C. Johnstone 1929-5-19 14895 Los Angeles Puerco Canyon. Malibu Estate, 3-4 mi. from ocean. Comment
  UCR57211  Venegasia carpesioides R. G. Swinney 1989-5-25 s.n. Los Angeles San Gabriel Mtns, San Dimas Canyon, 0.25 mi north of Golden Hills Drive on San Dimas Canyon Road 427 Comment
  UCR204755  Verbena lasiostachys R. G. Swinney 2005-8-9 8429 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UC25165  Verbena lasiostachys var. lasiostachys J. Burtt Davy October 1896 2859 Los Angeles Pomona Comment
  RSA82223  Verbena lasiostachys var. lasiostachys F. W. Peirson 1919-7-1 175 Los Angeles Montovia Canyon, south base of San Gabriel Mountains. 381 Comment
  UC625057  Verbena lasiostachys var. scabrida F. R. Fosberg 1931-7-14 S 5412 Los Angeles Hamilton Canyon; Santa Catalina Isl 20 Comment
  POM145685  Vicia americana L. R. Abrams 1927-4-30 11714 Los Angeles Head of Antelope Valley. Comment
  RSA593892  Vicia americana Steve Boyd 1996-4-24 8666 Los Angeles Liebre Mountains, Liebre Gulch along Forest Service Road 8N01 near jtn with 8N05. 988 Comment
  CATA454  Vicia hassei Sara L. Crockett, Misty Gay 1997-3-21 597 Los Angeles Santa Catalina Island: 0.5 mile E of Cherry Valley on West End Road 36 Comment
  SBBG91830  Vicia ludoviciana S. A. Junak 1978-4-16 SCa 49 Los Angeles N side of Isthmus Cove, Two Harbors 36 Comment
  CATA2028  Vicia ludoviciana subsp. ludoviciana Steven A. Junak, Mark Hoefs, Lisa Stratton, Keri Kirkland 1998-5-2 638 Los Angeles Santa Catalina Island: S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak 256 Comment
  SEINET4856300  Viguiera blakei Carl F. Baker 1903-9-20 3692 Los Angeles San Antonio Canon near Claremont. Comment
  UCR205077  Vinca major R. G. Swinney 2008-4-9 8623 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  RSA773675  Viola douglasii R. G. Swinney 2009-6-3 11043 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC447168  Viola pedunculata J. Ewan 1931-2-20 4031 Los Angeles Dry Canyon near Westwood; Santa Monica Mountains, Dry Canyon Comment
  UC951221  Viola pedunculata R. B. Houghton 1949-4-12 1451 Los Angeles Puente Hills Comment
  RSA534023  Viola pedunculata Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5302 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove(drainage beginning 800 ft. N of Rest 1336' marker; 1800 ft SE of Malo Knoll (1396'). Upper portion of drainage. 386 Comment
  RSA640725  Viola pedunculata Louis C. Wheeler 1931-3-8 s.n. Los Angeles Fischer's, [Vicinity of Claremont]. Comment
  SBBG69217  Viola purpurea R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  RSA77722  Viola purpurea subsp. mohavensis F. W. Peirson 1921-6-15 2491 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  SEINET10852400  Vitis girdiana T. V. Munson 1889-1 Munson s.n. Los Angeles Los Angeles and vicinity Comment
  CAS-BOT-BC184336  Vulpia microstachys var. pauciflora S. B. Parish 1919-4-19 19250 Los Angeles Lone Hill, near San Dimas Comment
  RSA187943  Vulpia microstachys var. pauciflora R. F. Thorne 1966-5-28 36207 Los Angeles Santa Catalina Island. Along road to Renton Mine, Pebbly Beach Canyon 244 Comment
  RSA187989  Vulpia myuros var. hirsuta R. F. Thorne, PC Everett 1965-6-23 34981 Los Angeles Santa Catalina Island: Hay Press Reservoir. 412 Comment
  RSA609612  Vulpia octoflora var. hirtella L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 61 Comment
  RSA86696  Vulpia octoflora var. octoflora F. W. Peirson 1920-5-3 2124 Los Angeles Little Tujunga Wash, west end of San Gabriel Mts. 335 Comment
  CAS-BOT-BC77834  Woodwardia fimbriata J. Ewan 1931-10-24 5287 Los Angeles La Sierra Canyon above Seminole Hot Springs, Santa Monica Mts. Comment
  CATA129  Woodwardia fimbriata Sarah Ratay, Lauren Danner 2006-5-16 97 Los Angeles Santa Catalina Island: Quarry, Empire Landing 32 Comment
  RSA656841  Wyethia ovata Valerie L. Soza, Leland Lubinsky 2000-6-23 1024 Los Angeles San Gabriel Mountains: South Fork Little Rock Creek, SW Pinyon Flats, NE Alder Saddle. 1646 Comment
  RSA598348  Xanthium spinosum L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. Catalina Harbor (Isthmus). 3 Comment
  RSA594583  Xanthium strumarium L. C. Wheeler 1966-9-21 8887 Los Angeles East fork San Gabriel Canyon at Burro Canyon. 457 Comment
  RSA605811  Xanthium strumarium L. C. Wheeler 1966-10-25 9087 Los Angeles San Gabriel Mountains: El Encanto, San Gabriel Canyon. Comment
  UCD137151  Xanthium strumarium James A. Lockhart 1954-6-7 s.n. Los Angeles Vicinity of Plant Physiology Building, U.C.L.A. Comment
  RSA151512  Xylococcus bicolor P. H. Raven 1962-5-22 17832 Los Angeles Santa Catalina Island, first canyon west of Lions Head Point. Comment
  CAS-BOT-BC326883  Xylorhiza tortifolia Timothy S. Ross 1991-4-27 4718 Los Angeles Rocky easterly and northeasterly lsopes, Black Butte 1091 Comment
  SEINET10938208  Yucca gloriosa Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4847 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CAS-BOT-BC454238  Zannichellia palustris Robert F. Thorne; C. W. Tilforth 1971-6-29 40653 Los Angeles San Gabriel Mts., Angeles National Forest: locality of Little Rock Creek, just below Little Rock Forestry Station, 1/2 mi. below L. Rock Dam 944 Comment
  RSA512042  Zannichellia palustris L. C. Wheeler 1966-9-6 8867 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir Comment
  CATA276  Zeltnera venusta Mark L. Hoefs 1973-5-15 289 Los Angeles Santa Catalina Island: Open field, above #7 & #8 holes of golf course, Avalon Canyon 76 Comment
  RSA589189  Zigadenus brevibracteatus Timothy S. Ross 1991-4-27 4680 Los Angeles MOJAVE DESERT: Black Butte Basin Road at intersection with Avenue 'U, NW corner; 0.85 mile and ca 152 deg SW of Three Sisters (buttes). 959 Comment
  RSA356055  Zigadenus fremontii Robert F. Thorne 1973-3-26 42723 Los Angeles San Gabriel Mountains: Webb Canyon, N of Claremont 366 Comment
  RSA384036  Zostera marina Joel S. Goodman 1934-9-15 s.n. Los Angeles Bluff Cove [may be Rancho Palos Verdes Peninsula, Los Angeles Co.] Comment



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