Search Results — 2000 specimen records retrieved (1607 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
  RSA323740  Abronia maritima F. H. Elmore 1939-2-18 381 Los Angeles San Clemente Island. Comment
  RSA460921  Abronia maritima G. J. Hollenberg 1928-7-10 s.n. Los Angeles south part of Venice, south of Del Rey Palisades Comment
  SBBG38782  Abronia maritima R. Moran 1941-3-4 675 Los Angeles Little Harbor 5 Comment
  LA30863  Abronia maritima Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 166 Los Angeles Santa Monica Mountains, Point Dume 365 Comment
  IRVC26141  Abronia pogonantha B. C. Templeton 1931-5-17 1201 Los Angeles between Palmdale and Lancaster Mojave Desert 762 Comment
  RSA522289  Acacia baileyana Steve Boyd 1990-2-3 3822 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon Comment
  UC1765237  Acacia retinodes A. C. Sanders 1988-2-3 7599 Los Angeles El Segundo Dunes, immediately W of LA International Airport & Pershing Dr., E of Vista Del Mar Blvd. Coastal dunes formerly largely occupied by residential neighborhoods, the houses removed ca. 15 yrs ago. 30 Comment
  CAS-BOT-BC30943  Acamptopappus sphaerocephalus R. S. Ferris 1918-6-12 945 Los Angeles 5 mi south of Lancaster Comment
  RSA0110591  Acer macrophyllum Richard G. Swinney 2010-6-8 13235 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. 598 Comment
  RSA479900  Acer macrophyllum Steve D. Boyd, Thomas S. Elias 1987-4-14 2032 Los Angeles Rincon - Red Box Rd. S. of Rincon Forest Station, N. of Glendora Comment
  RSA654654  Acer macrophyllum Fred Brooks 1988-5-7 36 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff, on west side of canyon, above river. 1372 Comment
  CAS-BOT-BC21682  Achillea millefolium R. E. Snodgrass 1901-8-1 s.n. Los Angeles Santa Barbara Island Comment
  RSA702081  Achillea millefolium Scott D. White, Pam DeVries 2004-5-18 10446 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
  RSA191103  Achnatherum coronatum R. F. Thorne 1967-6-25 37072 Los Angeles Along fire-road between Cobal and Evey Canyons 732 Comment
  OBI69279  Acmispon dendroideus var. dendroideus John Knapp, Denise Knapp 2003-4-13 2 Los Angeles Catalina island 3688953.820Nx 377327.333E 37 Comment
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Jun 17 2014
  SBBG101159  Acmispon dendroideus var. traskiae T. Ross 1992-4-14 6158 Los Angeles just below the mouth of Nanny Cyn on ridge that separates Nanny Cyn drainage from the escarpment 99 Comment
  SD249200  Acmispon dendroideus var. traskiae Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2207 Los Angeles San Clemente Island, south side of Eagle Canyon. 344 Comment
  LA33636  Acmispon grandiflorus var. grandiflorus Henry J. Thompson; 1959-3-27 1896 Los Angeles 701 Comment
  SBBG118733  Acmispon grandiflorus var. grandiflorus L. Gross, P. Morton 2004-6-10 1367 Los Angeles E end of the main crest; Rd 7N23, E to W from jct with Atmore Meadows Rd (7N19) along Sawmill Mtn to Burnt Pk Rd (7N23A): T7N R16W S8,9,16,15 1432 Comment
  SBBG127509  Acmispon micranthus M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2834 Los Angeles hillside above New York Harbor 79 Comment
  SD232249  Acmispon nevadensis var. davidsonii Valerie Soza, Naomi Fraga 2003-6-13 1671 Los Angeles Transverse Ranges; San Gabriel Mountains region: Blue Ridge just west of Guffy Camp, on ridgetop and slopes abbove FS Road 3N06. 2530 Comment
  SD234030  Acourtia microcephala Mary H. Ward 1970-6-19 Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena. 305 Comment
  UCR124941  Adenostoma fasciculatum B. C. Templeton 1960-5-14 8446 Los Angeles Western San Gabriel Mtns., Mint Canyon near Solemint 500 Comment
  RSA390495  Adenostoma fasciculatum Bonnie C. Templeton 1931-3-29 s.n. Los Angeles Ridge west of Maudeville Canyon 550 Comment
  RSA660208  Adenostoma fasciculatum var. fasciculatum Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 25 Los Angeles 5.5 miles past the Pasadena city limits on the way towards mount Wilson on Angeles Crest Highway. Turn off on right as one goes up the hill. Comment
  SBBG31287  Adenostoma fasciculatum var. fasciculatum R. F. Thorne with P. C. Everett 1965-5-10 Los Angeles S slope of Black Jack Mtn, a few hundred ft below summit 487 Comment
  RSA584059  Adiantum capillus-veneris T. S. Ross, Steve Boyd 1991-4-25 4609 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora). 536 Comment
  RSA729755  Adiantum capillus-veneris R. G. Swinney 1999-7-28 7592 Los Angeles Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon. 1098 Comment
  RSA730071  Adiantum capillus-veneris R. G. Swinney, D. W. Larson 1999-5-29 7235 Los Angeles lower East Fork San Dimas Canyon. 573 Comment
  RSA757713  Adiantum capillus-veneris R. G. Swinney 2008-6-24 9081 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  LA94086  Adiantum jordanii Lawrence L. Kiefer; 1966-3-19 1744 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3 mi from mouth. 304 Comment
  UC399480  Adiantum jordanii C. F. Millspaugh 1920-3-25 4859 Los Angeles Rattlesnake Canyon; Santa Catalina Isl Comment
  UCR190263  Adiantum jordanii R. G. Swinney 2000-5-21 7774 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  RSA729968  Ageratina adenophora R. G. Swinney, D. W. Larson 1999-5-29 7228 Los Angeles San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork 600 m north of confluence with East Fork Comment
  CAS-BOT-BC127585  Agropyron cristatum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritschs 1990-6-22 3764 Los Angeles San Gabriel Mountains. Pinyon Ridge. Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone. 1950 Comment
  RSA586824  Agrostis exarata Orlando Mistretta 1994-6-15 1352 -A Los Angeles San Gabriel Mountains, Santiago Canyon. Side drainage entering Santiago Canyon from W, ca. 3 miles S of confluence of Santiago Creek and Little Rock Creek. 1280 Comment
  RSA607826  Agrostis exarata L. C. Wheeler 1947-6-8 6515 Los Angeles San Gabriel Mountains: Millard Canyon. Comment
  SEINET10810367  Agrostis exarata Louis C. Wheeler 1967-7-30 Wheeler 10287 Los Angeles San Gabriel Mountains. Trail Canyon, vicinity of falls near confluence with McKinley Canyon. T3N R13 W. 732 Comment
  RSA129197  Agrostis stolonifera H. S. Yates 1936-8-28 6366 Los Angeles Big Pine Park, San Antonio quadrangle: T3N R8W, sec. 2. 1982 Comment
  RSA584449  Allium burlewii R. G. Swinney 1992-7-10 1845 Los Angeles San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  RSA0073266  Allium fimbriatum var. fimbriatum Orlando Mistretta, Christine Mistretta 2005-4-21 2071 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA708543  Allium haematochiton Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1182 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon. Near junction of Green Verdugo Fire Road from 210 Fwy and road to Green Verdugo Reservoir. 457 Comment
  UCR200194  Allium haematochiton Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 904 Los Angeles Verdugo Mountains, northwest side, northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of and above 210 Fwy and west of fire road, west-northwest of water tank 457 Comment
  RSA639734  Allium haematochiton L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: Divide between west fork Ebey & Little Tujunga Canyons. 609 Comment
  CHSC59620  Allium lacunosum var. lacunosum Daryl Koutnik 1978-4-28 431 Los Angeles Fireroad north of Mulholland Highway and northwest of Saddle rock. 609 Comment
  CAS-BOT-BC472941  Allium monticola H. M. Hall 1899-6-1 s.n. Los Angeles San Antonio St. 3048 Comment
  RSA660250  Allophyllum divaricatum Orlando Mistretta, Peter L. Morrell 1992-6-4 482 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA0110930  Allophyllum gilioides R. G. Swinney 2011-6-7 15073 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stoney Ridge Observatory. 1768 Comment
  RSA410093  Allophyllum glutinosum B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  RSA724539  Allophyllum glutinosum K. Dobry 1991-6-24 d- 757 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  SEINET4044460  Allophyllum glutinosum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  SFV846  Alnus rhombifolia A. Thompson 1959-4-18 s. n. Los Angeles Soledad Campground, along stream. Comment
  UCR104745  Alnus rhombifolia David Charlton 1989-4-30 2999 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  CAS-BOT-BC138031  Alopecurus carolinianus LeRoy Abrams 1901-4-1 1455 Los Angeles Inglewood. Comment
  SBBG131732  Amaranthus S. A. Junak 1999-5-22 SCa 1013 Los Angeles Avalon Cyn, at entrance to Catalina Stables 48 Comment
  RSA573476  Amaranthus albus T. S. Ross 1992-6-15 6564 Los Angeles Whitier Hills(local namefor the western extremity of the Puente Hills) Knoll at the head of the S fork of Sycamore Canyon. 372 Comment
  POM30499  Amblyopappus pusillus George B. Grant, Wheeler 1904-5-7 38 Los Angeles Glendora. Comment
  SD41391  Amblyopappus pusillus Edith A. Purer 1932-4-23 Los Angeles El Segundo Comment
  POM122294  Amblyopappus pusillus Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  CHSC26545  Ambrosia acanthicarpa James Henrickson 1971-10-14 7188 Los Angeles NE Claremont along Foothill Blvd. 457 Comment
  UCSB27676  Ambrosia acanthicarpa Lavinger, S. 1975-10-6 Los Angeles On Los Angeles Crest Highway, 0.3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains 762 Comment
  UC88843  Ambrosia chamissonis T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  UCSB31574  Ambrosia chamissonis McHargue, Lawrence 1962-5-26 Los Angeles Zuma Beach 2 Comment
  CAS-BOT-BC45006  Ambrosia confertiflora P. H. Raven 1959-11-7 14733 Los Angeles Just below Hollywood Reservoir 182 Comment
  POM155780  Ambrosia psilostachya M. B. Dunkle 1928-10-7 1997 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 152 Comment
  SEINET13383546 Image available Ambrosia salsola R. G. Swinney 2010-1 13074 Los Angeles San Gabriel Mountains: Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd.; 34.46306 -118.11222 1067 Comment
  CAS-BOT-BC180644  Amorpha californica var. californica LeRoy Abrams 1902-7-1 2622 Los Angeles Little Santa Anita Canyon Comment
  RSA0079966  Amsinckia intermedia T. S. Elias, Orlando Mistretta 1988-2-10 10668 Los Angeles San Clemente Island: Dead Man s Curve adjacent to Eagle Canyon; east side of island. Comment
  UC198494 Image available Amsinckia lycopsoides Katharine Brandegee May 1916 Los Angeles Santa Catalina Island Comment
  RSA799974  Amsinckia menziesii Pam De Vries 2013-4-3 7826 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  LA40182  Amsinckia menziesii A. M. Johnson; 1933-4-18 4195 Los Angeles U.C.L.A. Botanical Garden Comment
  IRVC26443  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, et al. 2003-3-5 25716 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  SBBG96950  Amsinckia spectabilis S. Boyd with T. Ross, L. Arnseth 1990-4-8 4311 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  SDSU4842  Amsinckia spectabilis var. spectabilis R. M. Beauchamp 1967-3-19 325 Los Angeles San Clemente Island. 1/2 miles south of the west end of runway at Sherman Field. 6 Comment
  UC1084566  Amsinckia tessellata var. gloriosa Francia Chisaki, Peter M. Ray 1952-5-1 2247 Los Angeles 2 mi s Gorman (on US Hwy #99) Comment
  RSA249770  Amsinckia tessellata var. tessellata R. F. Thorne, C. W. Tilforth 1973-4-20 43017 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA465145  Anagallis arvensis Richard C. Barkelew 1929-7-4 s.n. Los Angeles Mulholland Highlands near Los Angeles. Comment
  UC129388  Ancistrocarphus filagineus H. M. Hall 7397 Los Angeles vicinity Elizabeth Lake Comment
  UCR147600  Angelica tomentosa Naomi Fraga, Et al. 2004-6-30 1291 Los Angeles Transverse Ranges; San Gabriel Mtns, Near Grapevine Springs, along FS Road 1N34 1220 Comment
  RSA626985  Antirrhinum coulterianum Louis C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Doe Flat; Graveyard Canyon.. . Comment
  SBBG83174  Antirrhinum coulterianum R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  SD253519  Antirrhinum coulterianum R. G. Swinney 2011-6-14 15155 Los Angeles San Gabriel Mountains; upper Charlton Flat Campground, 0.53 air-mile SSW of the junction of Angeles Crest Highway and Charlton Flat entrance road. 1646 Comment
  RSA678398  Antirrhinum kelloggii Valerie L. Soza, Steve D. Boyd 2002-4-10 1386 Los Angeles Ridge above east fork of Haskell Canyon, ridge just west of Del Sur Ridge. Approx. 1.8 miles NW along Coarse Gold Canyon fire road from Bouquet Canyon. Stables Fire 2001 area. 640 Comment
  RSA729337  Antirrhinum multiflorum R. G. Swinney 1999-7-28 7583 Los Angeles San Gabriel Mtns.: Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence. 951 Comment
  RSA712213  Antirrhinum multiflorum Andrea Warniment, J. Pareti 2005-6-13 ADW- 7 Los Angeles Victoria Debris Basin. 415 Comment
  RSA232825  Aphanisma blitoides R. F. Thorne 1966-4-16 36044 Los Angeles San Clemente Island: c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  SBBG11608  Aphanisma blitoides P. H. Raven 1962-5-8 17610 Los Angeles steep walls of second cyn S of Seal Cove 30 Comment
  CLARK-A1528-1426  Apium leptophyllum John C. Roos 1937-4-21 Los Angeles Claremont Comment
  RSA624645  Apocynum cannabinum L. C. Wheeler 1973-05 s.n. Los Angeles Whittier Narrows. Comment
  UCR19854  Aquilegia formosa L. E. Hoffman 1932-8-14 s.n. Los Angeles Los Angeles National Forest; Crystal Lake Comment
  RSA0126430  Arabis glabra var. glabra R. F. Thorne, M. Z. Thorne 1967-6-25 37106 Los Angeles Evey Canyon 883 Comment
  RSA229073  Arabis perennans R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38915 Los Angeles San Gabriel Mountains, Angeles National Forest: S slope Table Mountain above Big Pines 2119 Comment
  UCR51862  Arabis pulchra Steve Boyd, T. S. Elias 1987-4-14 2051 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  OBI30080  Arbutus menziesii Ted L. Hanes 1967-3-2 s.n. Los Angeles Pine Mountain Truck trail, 6 mi SE Rincon, San Gabriel Mts 1067 Comment
  RSA595690  Arbutus menziesii L. C. Wheeler 1970-1-4 s.n. Los Angeles San Gabriel Mountains. East fork Santa Anita Canyon, Madrone Flat. 883 Comment
  POM9794  Arceuthobium occidentale Philip A. Munz 1921-4-24 4423 Los Angeles Sandbergs, Ridge Road. 1524 Comment
  RSA626723  Arctostaphylos glandulosa Jon E. Keeley 22065 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on road to Pacifico Mountain. 2000 Comment
  RSA629099  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20242 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA631671  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20489 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA634718  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20521 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634765  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20607 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634790  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20433 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA634841  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20479 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA634887  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20448 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
  RSA634900  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20309 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA635191  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20385 Los Angeles Road to Pacifico Mtn., 3.7 km east of Mill Creek Summit, San Gabriel Mtns. 1710 Comment
  RSA0060509  Arctostaphylos patula R. G. Swinney 2010-9-23 13878 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA603625  Arenaria macradenia var. arcuifolia Steve Boyd, Laura Moore, Michael Wall 1997-7-24 10025 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle at head of North Fork Fish Canyon, north of Atmore Meadows and south of Oak Flat, along Forest Service road 7N23 4.2 miles west of junction with 7N08. 1719 Comment
  UCR101511  Arenaria macradenia var. arcuifolia Steve Boyd, Et al. 1997-7-8 10006 B Los Angeles Liebre Mountian Region, SE flank of Liebre Mtn., along ridge dividing Fish Cyn. and Bear Cyn. drainages, NE of Atmore meadows, along rough dirt track following old fuel break. 1744 Comment
  UC57615  Arenaria macradenia var. macradenia J. H. Barber 1897-7-11 n 18 Los Angeles Mt. Gleason Summit Comment
  JEPS48604  Argemone munita Charles J. Lovell 1942-5-24 Los Angeles Mescal Canyon approach to Mohave Desert Mescal Canyon Comment
  UCD95203  Argemone munita R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon Desert. Comment
  SEINET7595529 Image available Aristida adscensionis H. E. Hasse 1890-1 46045 Los Angeles Sierra Madre Comment
  RSA133744  Artemisia californica Peter H. Raven 1959-2-15 13782 Los Angeles Beverly Glen Canyon 2.6 miles north of Sunset Blvd. 213 Comment
  RSA417233  Artemisia californica M. B. Dunkle 1928-10-14 2015 Los Angeles Santa Catalina Island. Renton Mine Comment
  RSA0116189  Artemisia douglasiana R. G. Swinney 2011-10-13 15776 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  UCR117549  Artemisia douglasiana A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23277 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  POM294273  Artemisia douglasiana Lyman Benson 1944-12-6 11572 Los Angeles Claremont. 335 Comment
  RSA417277  Artemisia douglasiana Robert Gustafson 1980-8-29 1889 Los Angeles Ballona wetlands, Area 1. in Area 1 but also present in areas 2-3. Comment
  SFV18422  Artemisia douglasiana anonymous s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  UCR127374  Artemisia dracunculus A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25577 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  UCR273217  Artemisia dracunculus R. G. Swinney 2011-10-18 15833 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  CAS-BOT-BC93874  Artemisia dracunculus A. J. McC 1892-9-10 s.n. Los Angeles Pasadena, Arroyo Seco Comment
  RSA228866  Artemisia dracunculus R. F. Thorne 1971-6-26 40636 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  RSA239862  Artemisia dracunculus John Dourley, Nick Lolonis 1968-8-20 s.n. Los Angeles near the base of Mt. Baden-Powell trail 2194 Comment
  CAS-BOT-BC93652  Artemisia ludoviciana subsp. incompta C. B. Wolf 1931-10-23 2492 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  JEPS36952  Artemisia ludoviciana subsp. incompta Joseph Andorfer Ewan 1936-8-9 10020 Los Angeles s end Blue Ridge (Guffy's Spring); San Gabriel Mountains 2560 Comment
  SBBG108932  Artemisia nesiotica S. A. Junak 1996-9-30 SCl 688 Los Angeles W fork of Norton Cyn 320 Comment
  RSA2897  Artemisia tridentata C. B. Wolf 1931-10-23 2493 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mountains 1829 Comment
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Jul 4 2013
  UCR189822  Artemisia tridentata R. G. Swinney 1998-9-4 6895 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCSB21996  Arundo donax Keefe, Joseph 1967-2-17 Los Angeles Hungry Valley Rd, 1 mi S of US Hwy 99, SW of Gorman 1161 Comment
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Jan 9 2019
  UCR276765  Asclepias californica R. G. Swinney 2011-5-16 14743 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  RSA589064  Asclepias californica Orlando Mistretta 1994-6-6 1327 Los Angeles SAN GABRIEL MTNS: Little Rock Creek. Slopes on E side of canyon S of jct. of Forest Service roads 4N15 and 5N04.3. 1433 Comment
  PASA1940  Asclepias eriocarpa Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA0117686  Asclepias eriocarpa Lyman Benson 1951-6-21 14787 Los Angeles Claremont - Wash P.C. [Pomona College; Thorne's comment on location] Comment
  SBBG50866  Asclepias fascicularis R. S. Woglum 1937-7-17 838 Los Angeles Soldier Crk, San Gabriel River Cyn Comment
  SEINET10359296 Image available Asparagus aethiopicus Unknown 2015-1 504 Los Angeles Santa Monica, CALIFORNIA. Los Angeles Co.: Santa Monica, behind Loews Santa Monica Beach Hotel, along Ocean Ave. Comment
  UC535315  Aspidotis californica Ira W. Clokey, B. Templeton Apr. 1929 4435 Los Angeles Mandeville Canyon; Santa Monica Mts 300 Comment
  SEINET11168772 Image available Asplenium bulbiferum Unknown 1988-10-23 Los Angeles Long Beach Comment
  UC42282  Asplenium vespertinum A. J. McClatchie March 1894 Los Angeles near Pasadena; Millard's Canyon Comment
  CAS-BOT-BC180493  Astragalus brauntonii Ernest Braunton 1901-1-18 s.n. Los Angeles Foothills near Sherman Comment
  UC397264  Astragalus didymocarpus Geo. B. Grant Mar 1903 78 Los Angeles Garvanza Comment
  SEINET3127326  Astragalus didymocarpus var. didymocarpus G. B. Grant 563 Los Angeles Garvanza Comment
  UCR94445  Astragalus douglasii R. G. Swinney 1996-5-27 4733 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  RSA569415  Astragalus douglasii var. douglasii B. C. Templeton 1933-5-15 5124 Los Angeles Ranger Station, Big Pines Park, San Gabriel Mountains. 2088 Comment
  RSA746771  Astragalus gambelianus R. G. Swinney 2008-4-17 8688 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  CAS-BOT-BC187082  Astragalus lentiginosus var. antonius Louis C. Wheeler 1956-9-14 7234 Los Angeles San Gabriel Mountains: Prairie Fork 1798 Comment
  RSA600743  Astragalus lentiginosus var. antonius L. C. Wheeler 1956-9-14 7234 Los Angeles San Gabriel Mountains: Praire Fork 1798 Comment
  JEPS54727  Astragalus lentiginosus var. variabilis Dr. A. Davidson 1893-1 Los Angeles Lancaster , Lancaster (Mojave Desert) Comment
  SBBG132303  Astragalus miguelensis S. A. Junak 1995-1-6 SCI- 247 Los Angeles just inland from cove by "Flasher" 15 Comment
  UCR65530  Astragalus nevinii Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 801- 01 Los Angeles South Channel Islands, San Clemente Island, main dune area at Darter Road. NW part of island Comment
  CAS-BOT-BC193085  Astragalus pycnostachyus var. lanosissimus Geo. B. Grant 1904-7-8 6317 Los Angeles Cienaga Comment
  JEPS127386  Astragalus trichopodus Robert Steers 2004-12-21 Los Angeles Palos Verdes Peninsula. Rancho Palos Verdes. Comment
  POM293746  Astragalus trichopodus var. lonchus Lyman Benson, Robert Benson, Joseph Lanjouw 1953-5-2 15111 Los Angeles Catalina Island. White's Landing 15 Comment
  SBBG22648  Astragalus trichopodus var. lonchus S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 639 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 256 Comment
  UCSB45417  Astragalus trichopodus var. lonchus Kaplan, Lisa 1979-3-10 Los Angeles Crest Rd., 1 mile north of Ganado Dr., Rancho Palos Verdes 335 Comment
  SBBG44173  Astragalus trichopodus var. lonchus M. R. Benedict 1967-4-4 Los Angeles N side of Pacific Coast Hwy, 0.25 mi E of Encinal Cyn Rd Comment
  UC942899  Astragalus trichopodus var. lonchus Lewis S. Rose 1949-4-22 49107 Los Angeles U.S. Highway 101 5 mi e Ventura Co. line; e of Ventura Co. line Comment
  NY42976  Astragalus trichopodus var. phoxus J. B. Walker 1995-3-31 1307 Los Angeles Angeles National Forest, 5km E of Castaic, along USFS Rd 5N17 500 Comment
  NY43096  Atriplex californica J. B. Walker 1995-6-7 1444 Los Angeles Santa Catalina Island, at Little Harbor 2 Comment
  RSA0086995  Atriplex canescens R. G. Swinney 2010-6-1 13076 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA65360  Atriplex canescens F. W. Peirson 1921-7-1 1811 Los Angeles Soledad Canyon, north base of San Gabriel Mountains. 442 Comment
  CDA23246  Atriplex canescens subsp. canescens LeRoy Gross 1998-11-1 99 Los Angeles Southern Base San Gabriel Mountains; Big Tujunga wash. West of 210 freeway, city of Sunland. Under south bridge of 210 freeway. Comment
  CHSC95347  Atriplex confertifolia LeRoy Gross 2005-5-19 2307 Los Angeles Mojave Desert; West Mojave Desert region: 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, then walked south. 722 Comment
  RSA0110577  Atriplex confertifolia Richard G. Swinney 2011-4-19 14423 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  UCR265469  Atriplex coronata Jordan Zylstra 2015-4-10 15003 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1016 Comment
  SD69680  Atriplex coulteri Robert F. Thorne, P. Everett 1965-6-23 34980 Los Angeles Santa Catalina Island; dry roadside at Hay Press Reservoir. 409 Comment
  UCD97669  Atriplex rosea Daryl Koutnik 1978-9-3 s.n. Los Angeles northwest of the junction of Saticoy and Winnetka in the San Fernando Valley. 243 Comment
  UC625131  Atriplex semibaccata F. R. Fosberg 1931-3-26 S 4396 Los Angeles hillside above St. Catherine Hotel (Santa Catalina Island); Santa Catalina Island 10 Comment
  LA94372  Atriplex semibaccata Norman A. Cole; May 1964 347 Los Angeles Santa Monica Mountains, Point Mugu Beach, just W of Point Mugu, No. 10 0 Comment
  SD51872  Atriplex semibaccata Peter H. Raven 1962-7-11 17999 Los Angeles San Clemente Island; just south of the old airstrip. Comment
  UCR213547  Atriplex suberecta Michael Honer 2003-7-8 1846 A Los Angeles Transverse Range, Liebre Mountains, Tapia Canyon area, c. 2-3 air miles west of I-5 Freeway junction with Ridge Route Rd. 549 Comment
  UCR246456  Atriplex suberecta R. E. Riefner Jr. 2008-7-28 08- 254 Los Angeles South Coast, Harbor City, Bixby Slough, Harbor Regional Park, Harbor Lake, vicinity of Vermont Ave and Normande Ave 1 Comment
  RSA213403  Atriplex watsonii M. B. Dunkle 1939-4-4 7264 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  RSA652771  Avena barbata Monica Acosta 1998-5-14 8 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. 225 Comment
  SD253330  Avena barbata R. G. Swinney 2011-3-26 14232 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  SEINET3875614  Azolla filiculoides Steve Boyd 1996-4-25 8693 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienega Canyon, south of Liebre Mountain.; 0 914 Comment
  SEINET4142883  Azolla filiculoides R. G. Swinney 2008-9-9 9335 Los Angeles San Gabriel Mtns. Little Rock Creek, 0.2 mil north of Little Rock Reservoir. (Pacifico Mountain 7.5' Q.).; 0 960 Comment
  RSA418209  Baccharis douglasii F. R. Fosberg 1931-5-18 4906 Los Angeles Cottonwood Canyon near mouth Santa Catalina Island 30 Comment
  RSA609752  Baccharis emoryi L. C. Wheeler 1946-9-9 6368 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 0.5 mile E of Bear Creek 518 Comment
  RSA596206  Baccharis pilularis Lauren Raz, Steve Boyd 1996-10-23 017 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
  RSA0088413  Baccharis salicifolia R. G. Swinney 2010-2-27 11747 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
  UCR131427  Baccharis salicifolia Alison Lipman 1998-5-3 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  UCR269990  Baccharis salicifolia R. G. Swinney 2010-5-12 12726 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  JEPS49063  Baccharis salicifolia subsp. salicifolia Lewis S. Rose 1966-12-18 66113 Los Angeles Santa Monica Mountains, Franklin Canyon 335 Comment
  UC1118900  Baccharis salicifolia subsp. salicifolia F. H. Raymond 1930-3-3 55 Los Angeles San Rafael Mountains Pasadena Quadrangle, San Rafael Mountains 243 Comment
  SEINET11861852  Baileya pauciradiata J. F. Bright, Wyman, C. 1931-4-12 5301 Los Angeles Antelope Valley Comment
  SD90564  Bassia hyssopifolia Robert F. Thorne 1973-4-12 42980 Los Angeles San Clemente Island, just southeast of Airfield Operations. 60 Comment
  POM123140  Batis maritima Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA0048466  Beloperone californica Carol Haines 1964-3-23 s.n. Los Angeles Junction of State Highway 60 and 70. 533 Comment
  CAS-BOT-BC75758  Berberis nevinii Margaret Stason; John Thomas Howell 1927-3-22 s.n. Los Angeles Pasadena. At the Devil's Gate in the Arroyo Seco. Comment
  RSA435911  Berberis nevinii Luellapearl Hammer 1929-04 s.n. Los Angeles Sandy slope, Arroyo Seco Comment
  RSA647858  Bidens pilosa var. pilosa LeRoy Gross, Laura Moore 2000-6-5 213 Los Angeles Verdugo Mountains: Brand Canyon, a short distance above the cemetery 350 Comment
  LA200932  Bloomeria crocea Jonathan Sauer; S. Modry 1969-6-4 4567 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  RSA652655  Bloomeria crocea R. S. Woglum 1930-4-28 2439 Los Angeles Glendora. Hills South toward San Dimas. Comment
  UCR153980  Bloomeria crocea A. C. Sanders, T. B. Salvato 2005-4-26 29746 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  UCR155146  Bloomeria crocea A. C. Sanders 2005-5-5 29928 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  RSA0051628  Bloomeria crocea Dennis Fordham 1951-5-20 s.n. Los Angeles Topanga, highway side near Kneen Place. 274 Comment
  CAS-BOT-BC482133  Bloomeria crocea var. montana Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10015 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site 1584 Comment
  RSA600137  Bloomeria crocea var. montana Steve Boyd, Lauren Raz 1997-5-29 9918 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  CHSC83650  Boechera arcuata John Dittes; Chris Williams 1989-4-29 5 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Upper Big Tujunga Creek; ca. 0.25 mi. downstream of bridge to Camp Colby. On upper slope above creek bank. 929 Comment
  SBBG72403  Boechera pulchra R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  RSA0129235  Boechera pulchra Andrea Edwards, Pam De Vries 2005-3-29 54 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  POM50052  Boisduvalia glabella L. R. Abrams 1901-6-6 1740 Los Angeles Ballona Creek, Mesmer. Comment
  CATA566  Bolboschoenus maritimus subsp. paludosus Mark L. Hoefs, Robert F. Thorne 1975-8-7 831 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  CATA3122  Bothriochloa barbinodis Amy Catalano 2016-5-24 127 Los Angeles Santa Catalina Island: Old grass production field at junction of Cape Canyon and Middle Canyon roads 172 Comment
  CAS-BOT-BC95434  Bowlesia incana John Thomas Howell 1928-3-20 3458 Los Angeles Griffith Park in Los Angeles Comment
  UCR133749  Bowlesia incana F. R. Fosberg 1931-3-20 S- 4320 Los Angeles Channel Islands, Hamilton Canyon, Santa Catalina Island 25 Comment
  UCR124484  Brassica rapa B. C. Templeton 1932-7-20 5050 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  CAS-BOT-BC100426  Brickellia californica Timothy S. Ross; Steve Boyd 1994-9-20 8262 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle 934 Comment
  POM351106  Brickellia californica F. R. Fosberg 1931-7-11 7205 Los Angeles Near Reservoir Summit, Ridge Route, western Sierra Madre Mountains. 1200 Comment
  RSA127982  Brickellia californica H. J. Thompson 1958-10-22 1812 Los Angeles Santa Monica Mountains, N slope of Mt. Hollywood 381 Comment
  RSA164851  Brickellia californica Wesley O. Griesel 1962-9-14 738 Los Angeles State Hwy. 2 between Islip Saddle and Dawson Saddle. 2134 Comment
  SFV14725  Brickellia californica J. C. Dittes, P. Dittes 1989-10-28 17 Los Angeles San Gabriel Mountains West Fork of San Gabriel River. 0.5 miles up river from highway. 640 Comment
  UCR101180  Brickellia microphylla L. C. Wheeler 1970-9-12 s.n. Los Angeles San Gabriel Mtns., Mine Gulch Camp, E fork of San Gabriel River 1372 Comment
  CAS-BOT-BC106130  Brickellia nevinii Louis C. Wheeler 1931-9-27 163 Los Angeles San Dimas Canyon, San Gabriel Mts. 609 Comment
  RSA0115260  Brickellia nevinii Richard G. Swinney 2010-10-5 13958 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  SD253372  Brickellia nevinii R. G. Swinney 2011-11-3 16000 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wildon Trail, 1-2 miles up from trailhead in town of Sierra Madre. 548 Comment
  UC202369  Brickellia nevinii Geo. L. Moxley 1916-9-4 517 Los Angeles Eaton Canyon Comment
  UC571020  Brickellia nevinii Frank W. Peirson 1924-12-5 5382 Los Angeles Head of Eaton Canyon, s face of San Gabriel Peak, San Gabriel Mountains San Gabriel Mountains, San Gabriel Peak, Eaton Canyon 1645 Comment
  UCR231165  Brickellia nevinii Dan S. Cooper 2011-9-27 911- 111 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, slope south of Forest Lawn Dr. just west of Travel Town 178 Comment
  RSA0034356  Bromus arenarius A. C. Sanders 2007-4-19 33423 Los Angeles Hills north of Oso Canyon and south of the National Cement Plant, Seen only in one place today: 34 deg 48 02N, 118 deg 44 52W. 1006 Comment
  RSA603769  Bromus carinatus L. C. Wheeler 1936-4-10 4086 Los Angeles 2 miles NE La Verne. 381 Comment
  UCR274083  Bromus carinatus Steven A. Junak 1999-5-8 SCa- 918 Los Angeles California Islands, Santa Catalina Island, Fern Canyon, Cottonwood Canyon watershed, just upstream from fenceline Comment
  RSA629687  Bromus carinatus var. carinatus Scott D. White, Dave Bramlet 1998-8-11 7052 Los Angeles San Gabriel Mts.: West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA562677  Bromus diandrus D. Charlton 1993-4-24 s.. Los Angeles Edwards AFB, Western Mojave Desert. 701 Comment
  RSA522469  Bromus grandis Timothy S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4035 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  SD50765  Bromus grandis Darley F. Howe 1959-6-21 2720 Los Angeles 4.8 miles west of Camp Baldy, roadside. 1372 Comment
  RSA0022982  Bromus hallii Duncan S. Bell, Caitlin Elam 2013-8-1 5571 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Lupine Campground area and below Columbine Spring. 2031 Comment
  CHSC36027  Bromus hordeaceus James Henrickson 1979-5-18 18136 Los Angeles Ca 1 mile N of Valencia, E of College of the Canyon between Valencia and McBean Parkway. 426 Comment
  POM155634  Bromus hordeaceus M. B. Dunkle 1928-4-10 1842 Los Angeles Santa Catalina Island. Above Parson's. 244 Comment
  RSA654301  Bromus hordeaceus Monica Acosta 1998-5-14 9 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. 225 Comment
  SBBG128339  Bromus hordeaceus M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Ratay 2011-7-8 22 Los Angeles Deer Valley Trail 42 Comment
  UCD58782  Bromus hordeaceus B. Pitzer 1996-5-5 2863 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills. San Pedro Naval Fuel Depot, at San Pedro Hill. 408 Comment
  CAS-BOT-BC155335  Bromus laevipes Naomi Fraga; Paul Morton 2004-5-18 1183 Los Angeles Transverse Ranges. San Gabrile Mountains region. On ridgeline of Mount Hillyer, near summit. 1860 Comment
  UC1584044  Bromus laevipes Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4023 Los Angeles ne of Tie Summit Station (e of Angeles Forest Highway, San Gabriel Mountains, Angeles National Forest, Tujunga Ranger District, (w drainage that meets Tie Canyon)); San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1524 Comment
  PASA650  Bromus rigidus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  POM363938  Bromus rubens Anstruther Davidson 1917-04 3229 Los Angeles E. Los Angeles. Comment
  RSA706982  Bromus rubens L. M. Prince, N. Refulio 2002-3-25 2 -279 Los Angeles Claremont. ca. 1 km south of San Antonio Dam on Mount Baldy Rd. 600 Comment
  UCR281854  Bromus rubens R. G. Swinney 2014-4-10 16061 A Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  POM296807  Bromus stamineus Lyman Benson 1947-4-30 12348 Los Angeles Indian Hill, Claremont. 427 Comment
  RSA717859  Bromus tectorum R. G. Swinney 1997-4-25 5511 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  RSA52938  Buddleja saligna George T. Hastings s.n. Los Angeles Saddle Peak, Santa Monica Mountains Comment
  RSA466541  Calandrinia ciliata F. R. Fosberg 1931-4-15 S 4639 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA533926  Calandrinia maritima Timothy S. Ross, Orlando Mistetta, Mike Hammitt 1991-5-19 5233 Los Angeles San Clemente Island: southeast end of island; easternmost branch of Snake Cactus Canyon (drainage beginning 2350 feet due W of Guds) 131 Comment
  SD162718  Callistemon citrinus A. C. Sanders 1988-2-18 7686 Los Angeles El Segundo Dunes, west of L. A. International Airport, between Pershing Drive and Vista Del Mar Blvd. Comment
  POM199150  Callitriche marginata L. C. Wheeler 1933-4-9 1630 Los Angeles La Verne (Damar Sta.) 274 Comment
  RSA733392  Calocedrus decurrens R. G. Swinney 2001-6-2 7966 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  OBI60246  Calochortus catalinae Kim Sheffron 1994-5-10 17 Los Angeles Calabasas, 1 mi SE on Stunt Rd from jctn with Mulholland hwy Comment
  POM1719  Calochortus catalinae D. L. Crawford, Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. Comment
  RSA377292  Calochortus catalinae N. C. Cooper 1945-5-1 2224 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA377300  Calochortus catalinae Gale Sphon 1955-5-5 s.n. Los Angeles 0.5 miles west of Beverly Glen on Mulholland Drive Comment
  UC170827  Calochortus catalinae George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 126 a/1847 Los Angeles Santa Catalina Island Comment
  UCSB618  Calochortus catalinae Wedberg, H. 1958-4-26 Los Angeles Mulholland Drive, 2-3 miles west of Beverly Glen, Santa Monica Mts Comment
  SBBG927  Calochortus clavatus H. and M. Dearing 1940-4-29 4235 Los Angeles Vale Verde Rd near Castaic Jct Comment
  RSA377335A  Calochortus clavatus var. clavatus Gale Sphon, Diane Hearn 1956-05 s.n. Los Angeles 1 mile past Palmdale Turnoff, Highway 99. Comment
  SBBG57691  Calochortus kennedyi R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk 1066 Comment
  UC3467  Calochortus palmeri J. Burtt Davy May 9 1896-May 24 1896 2608 Los Angeles Leonis Valley Antelope Valley Comment
  RSA0020990  Calochortus plummerae Orlando Mistretta, Christine Mistretta 2011-7-5 5896 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1254 Comment
  RSA641079  Calochortus plummerae Orlando Mistretta 1995-6-23 1838 -A Los Angeles San Gabriel Mountains: Lookout Mountain trail. 1814 Comment
  SBBG124397  Calochortus plummerae A. Parikh, N. Gale 2010-6-19 3350 Los Angeles Upper Big Tujunga Cyn, 0.7 km WNW of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1273 Comment
  RSA670593  Calochortus splendens Bonnie C. Templeton 1930-5-13 1469 Los Angeles Bouquet Canyon. Comment
  SBBG96533  Calochortus splendens M. C. Carroll 1990-9-29 3009 Los Angeles W of Lion's Head 60 Comment
  RSA645575  Calochortus striatus A. C. Sanders, E. J. Lott 1993-5-6 13940 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Highway at Ave G to 1/10 mi. NW of intersection. 706 Comment
  CAS-BOT-BC496764  Calochortus venustus James L. Reveal 1988-5-17 6788 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon) Road and 3.3 miles southwest of Elizabeth Lake Road (County Road N2) in Leona Valley, at the junction on San Francisco Road at the . 1127 Comment
  UCR276887  Calyptridium monandrum R. G. Swinney 2011-6-7 15094 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
  RSA0034117  Calystegia felix Maureen Adler 2014-6-25 s.n. Los Angeles City of Long Beach. El Dorado East Regional Park, located between San Gabriel River (west) and Coyote Creek (east). 5 Comment
  UCR131409  Calystegia macrostegia Alison Lipman 1998-9-28 s.n. Los Angeles South Coastal Plains Region, George F Canyon, Palos Verdes Peninsula 305 Comment
  RSA158256  Calystegia macrostegia subsp. amplissima P. H. Raven 1962-7-12 18030 Los Angeles Northwest Harbor, San Clemente Island 15 Comment
  RSA650294  Calystegia macrostegia subsp. cyclostegia K. M. Kosak 1961-5-17 s.n. Los Angeles San Dimas Ave., S. Puddingstone Dam, San Dimas. Comment
  RSA3497  Calystegia macrostegia subsp. intermedia C. B. Wolf 1932-5-9 3440 Los Angeles Opposite the tent city, Pebbly Beach, Santa Catalina island. Comment
  RSA394898  Calystegia macrostegia subsp. intermedia F. R. Fosberg 1931-3-23 S- 4335 Los Angeles Descanso Canyon, Santa Catalina Island. 40 Comment
  RSA746575  Calystegia peirsonii R. G. Swinney 2008-5-13 8853 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. (Lat/Long +/- 1000m) 1293 Comment
  POM305882  Camissonia bistorta Henry J. Ramsey, Henry J. Ramsey 1937-5-16 1138 Los Angeles Altadena, North Craig Avenue. 396 Comment
  RSA599777  Camissonia bistorta Steve Boyd, Lauren Raz 1997-3-25 9271 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA587004  Camissonia boothii subsp. decorticans Orlando Mistretta 1992-5-8 292 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  RSA615522  Camissonia californica Louis C. Wheeler 1967-5-18 9615 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  POM96344  Camissonia californica P. A. Munz 1926-4-4 10012 Los Angeles 2 miles north of Saugus. Comment
  UCR101715  Camissonia campestris B. G. Pitzer 1998-5-23 3754 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UC874012  Camissonia campestris subsp. campestris I. W. Clokey and B. C. Templeton 1930-4-8 4653 Los Angeles w Lanchaster 400 Comment
  RSA702954  Camissonia claviformis Scott D. White, Michael Honer 2004-3-30 9965 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  RSA670381  Camissonia confusa Bonnie C. Templeton, I. W. Clokey 1930-4-8 1046 Los Angeles San Francisquito Canyon, San Gabriel Mts. 915 Comment
  RSA593458  Camissonia graciliflora Steve Boyd 1996-4-24 8637 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  UCR186994  Camissonia graciliflora A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31961 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  POM212255  Camissonia graciliflora G. H. True 1935-3-27 168 Los Angeles City Ranch, 4 miles W of Palmdale 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
  RSA250438  Camissonia ignota Robert F. Thorne, R. Carolin, C. Davidson 1967-3-23 41607 Los Angeles San Gabriel Mountains 1067 Comment
  RSA186709  Camissonia intermedia Peter H. Raven 1962-5-1 17511 Los Angeles Stuntz [Stunts] Canyon Road 3.1 miles below junction to Saddle Peak 366 Comment
  RSA187566  Camissonia intermedia Peter H. Raven 1963-4-17 18171 Los Angeles Santa Catalina Island: progeny of no. 17857, cultivated at Stanford. Comment
  RSA186563  Camissonia pallida subsp. pallida Peter H. Raven 1959-4-13 13995 Los Angeles Mojave Desert, 1 miles W of Little Rock 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
  RSA618100  Camissonia strigulosa Louis C. Wheeler 1967-5-18 9644 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  SEINET5344152  Camissoniopsis cheiranthifolia N. K. Berg 2004-8-3 s.n. Los Angeles Redondo Comment
  RSA0094548  Camissoniopsis confusa Richard G. Swinney 2011-6-6 15002 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  SBBG61440  Camissoniopsis hirtella R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  JEPS31788  Camissoniopsis hirtella C. E. Hutchinson 1892-6-4 Los Angeles San Gabriel Canyon San Gabriel Mts. 487 Comment
  RSA669634  Capsella bursa-pastoris LeRoy Gross 2002-3-7 488 Los Angeles North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. South of 210 Freeway. 579 Comment
  UC10288  Capsella bursa-pastoris Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  CDA24743  Capsella bursa-pastoris L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains; 0.4 mile southwest of Big Cienega on ridge on south side Big Dalton Canyon near mouth. Comment
  RSA658633  Capsella bursa-pastoris R. W. Hufstader 1971-3-22 36 Los Angeles Collected at Puddingstone Resevoir. Off San Dimas Rd. at entrance to resevoir. 213 Comment
  SD153104  Capsella bursa-pastoris Steven A. Junak 1997-2-24 SCI 719 Los Angeles San Clemente Island; along San Clemente Island Ridge Road, just south of road to trailer at Triangulation Station Boulder. 575 Comment
  LA32259  Cardamine californica Henry J. Thompson; 1959-3-22 1871 Los Angeles Santa Monica Mountains, Lobo Canyon, 1 mi. W of Triunfo Canyon 274 Comment
  RSA732821  Cardamine californica R. G. Swinney 2000-5-21 7775 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station, ca. 1000m. 610 Comment
  UC402548  Cardamine californica A. R. Davis 1915-7-4 556 Los Angeles mountains above Claremont (Southern California); mountains above Claremont Comment
  JEPS53396  Cardamine californica var. integrifolia Frank W. Peirson 1918-5-21 265 a Los Angeles Arroyo Seco San Gabriel Mountains, Arroyo Seco 487 Comment
  RSA484637  Cardamine oligosperma Samuel R. Tyson 1942-4-24 1650 Los Angeles San Dimas Canyon. 502 Comment
  CDA19946  Cardaria chalepensis J. Santos 2002-7-1 PDR 053581 Los Angeles Southern California; 98th St W & Leona Valley Ave. 0 Comment
  RSA714513  Cardaria draba A. C. Sanders, Andy Thompson 2003-4-15 26019 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park. 316 Comment
  UCR150826  Carduus pycnocephalus R. G. Swinney, Dave Larson 1999-5-15 7160 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  RSA0112840  Carduus pycnocephalus Steven A. Junak 1999-5-20 SCa- 958 Los Angeles Santa Catalina Island. Along Cottonwood-Black Jack Road, plant stop. 341 Comment
  UC837257  Carex P. A. Munz 1922-7-21 6118 Los Angeles e slope Mt. San Antonio 2987 Comment
  CAS-BOT-BC17686  Carex alma I. Johnston 1917-5-13 27 E Los Angeles El Monte. 121 Comment
  SEINET3167055  Carex alma G. B. Grant 138 -a Los Angeles Pasadena Comment
  UCR190936  Carex alma R. G. Swinney 1999-7-14 7556 Los Angeles San Gabriel Mtns., Allison Gulch, at confluence with East Fork San Gabriel River Canyon 732 Comment
  CAS-BOT-BC19227  Carex barbarae I. M. Johnston 1918-8-18 2117 Los Angeles San Antonio Mountains. Live Oak Canyon. On west canyon side. 411 Comment
  RSA0047332  Carex douglasii Orlando Mistretta 1990-5-16 s.n. Los Angeles Vicinity of Big Pines. Mountain High Ski Area 2098 Comment
  RSA191154  Carex fracta Robert F. Thorne, M. Z. Thorne 1967-7-19 37195 Los Angeles San Gabriel Mountains. 1981 Comment
  LA200999  Carex globosa Carl Wishner; 1996-8-5 2352 Los Angeles SANTA MONICA MOUNTAINS, Corral Creek Divide, end of road, at the first outcrop NW of parking lot. 615 Comment
  SFV20706  Carex globosa T. Sagar, C. Wishner 2004-4-17 1 Los Angeles Santa Monica Mountains Seminole Hot Springs. National Park Service Hennesy Property. 260 Comment
  POM1491  Carex multicaulis Le Roy Abrams 1901-07 1885 Los Angeles San Gabriel Mountains: West Fork of San Gabriel River. Comment
  UCR209961  Carex praegracilis R. G. Swinney 2008-7-15 9239 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  POM155897  Carex praegracilis 1919-5-10 2699 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA0106849  Carex rossii R. G. Swinney 2011-8-5 15612 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  UC837149  Carex schottii I. M. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4613 Los Angeles Bouquet Canyon 450 Comment
  CAS-BOT-BC117421  Carex senta Louis C. Wheeler 1933-3-31 1557 Los Angeles Topango Canyon, Santa Monica Mts. 152 Comment
  UCR200156  Carex spissa Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 814 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 549 Comment
  RSA549914  Carpobrotus chilensis Peter L. Morrell, O. Mistretta, L. Arsneth 1992-4-4 125 Los Angeles San Clemente Island. WNW-facing slope, approx. 2 km SSW of Wilson Cove on W Side of Island. 20 Comment
  SD186070  Carthamus creticus A. C. Sanders 2005-5-5 29884 Los Angeles Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool. 655 Comment
  CHSC114469  Castilleja Duncan S. Bell; Caitlin Elam, Evan Meyer 2013-6-13 5079 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wildernesss; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  POM155672  Castilleja affinis M. B. Dunkle 1928-5-13 1957 Los Angeles Pebbly Beach Canyon, Santa Catalina Island. 46 Comment
  RSA177855  Castilleja affinis Robert F. Thorne, Percy C. Everett 1965-5-11 34659 Los Angeles Santa Catalina Island, along road from Rancho Escondido to Little Harbor. 122 Comment
  RSA425862  Castilleja affinis M. B. Dunkle 1929-2-10 s.n. Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  LA82059  Castilleja affinis O. H. Kappler; 1944-4-30 599 Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Comment
  SD66871  Castilleja affinis R. Mitchell Beauchamp 1967-3-20 373 Los Angeles on cliffs and slopes above beach road, south of Avalon Comment
  JEPS3181  Castilleja applegatei subsp. martinii John Thomas Howell 1928-5-6 3781 Los Angeles trail to Madrono Flat San Gabriel Mts., East Fork Santa Anita Canyon Comment
  JEPS66320  Castilleja applegatei subsp. martinii L. R. Heckard 1971-5-25 2584 Los Angeles just above the canyon bridge along road (N3) over San Gabriel Mts. to Palmdale San Gabriel Mts. 1341 Comment
  UCR126591  Castilleja exserta A. C. Sanders 2003-4-17 26069 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCR131394  Castilleja exserta Alison Lipman 1998-5-3 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  SBBG66889  Castilleja foliolosa R. Hoffmann 1927-6-14 Los Angeles E end of Pine Cyn Comment
  RSA593400  Castilleja minor subsp. spiralis Steve D. Boyd, Orlando Mistretta 1996-5-23 8821 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA595580  Castilleja minor subsp. spiralis Lauren Raz, Steve D. Boyd 1996-10-23 45 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 610 Comment
  RSA747330  Castilleja minor subsp. spiralis R. G. Swinney 2005-8-9 8431 Los Angeles San Gabriel Mts: Big Rock Creek at Paradise Springs. 1439 Comment
  SD215667  Castilleja plagiotoma Louis C. Wheeler 1968-4-17 Los Angeles San Gabriel Mountains: Big Rock Creek, 3/4 mile north of Big Rock Springs 1157 Comment
  UCR280757  Caulanthus cooperi R. G. Swinney 2014-4-30 16268 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  SBBG129109  Caulanthus coulteri S. Leatherman, J. Pareti 2014-4-17 Los Angeles Castaic Lake area in the Grasshopper Cyn Watershed, E of Interste 5 and W of the Castaic Lake Dam 1370 Comment
  RSA0084172  Caulanthus heterophyllus D. E. Bramlet, Jennifer S. Pareti 2008-4-14 4184 Los Angeles Transverse Ranges: Liebre Mtns region: Bouquet Cyn, 762m southeast of Bouquet Cyn. Road, and 549m S of Hayfork Road. Comment
  RSA750698  Caulanthus heterophyllus D. E. Bramlet 2008-3-26 4123 Los Angeles Bee Canyon. Bowerman landfill site. 202 m S of the Bee Cyn access road, 151 m W of the landfill entrance. Comment
  SFV7994  Caulanthus heterophyllus T. Gordon, M. H. Grayum, K. Felt 1976-5-7 1360 Los Angeles San Gabriel Mountains On hillside adjacent to lower Trail Canyon. 793 Comment
  RSA66756  Caulanthus heterophyllus var. heterophyllus F. W. Peirson 1925-4-23 5786 Los Angeles Forks of San Gabriel River. 534 Comment
  UCR108342  Caulanthus inflatus L. C. Wheeler 1973-4-20 S.N. Los Angeles San Gabriel Mtns., Edge of Antelope Valley. 40th Street East, between the California Water Project Canal and Barrel Springs Road 927 Comment
  UCD114580  Caulanthus lasiophyllus Collector Unknown 1923-5-22 264 Los Angeles Eaton Canyon over Oak Flat. Comment
  LA41958  Ceanothus arboreus F. R. Fosberg; 1932-5-6 8126 Los Angeles Santa Catalina Island, Big Wash Canyon, Avalon 25.0 Comment
  UC1302359  Ceanothus arboreus Robert F. Thorne and P. C. Everett 1964-2-6 33293 Los Angeles above Fourth of July Cove Santa Catalina Island 30 Comment
  RSA398869  Ceanothus crassifolius Unspecified 1936-5-12 20548 Los Angeles San Antonio Canyon. Comment
  UC1071020  Ceanothus crassifolius A. D. Gifford 1934-4-24 160 Los Angeles 2 mi nw Castro Peak; Truinfo Pass quad 548 Comment
  JEPS42106  Ceanothus cuneatus Miss C. M. Hoak before Feb 2 1924 Los Angeles Pasadena Comment
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May 7 2008
  UC18461  Ceanothus greggii var. vestitus A. Davidson 1892-1 Los Angeles Comment
  CAS-BOT-BC50080  Ceanothus insularis Peter H. Raven 1962-5-20 17783 Los Angeles Santa Catalina Island: Airport Road on main ridge about 1.5 miles west of Middle Ranch turn-off Comment
  UCR168291  Ceanothus insularis F. R. Fosberg 1931-5-6 S- 4826 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 280 Comment
  RSA658364  Ceanothus integerrimus Naomi Zohman 1985-4-28 6 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  UC147943  Ceanothus integerrimus C. F. Baker 1909-5-15 5341 Los Angeles San Antonio Canyon, Claremont Comment
  CAS-BOT-BC50600  Ceanothus leucodermis George B. Grant; Walter Wheeler 1904-5-17 145 a Los Angeles Mt. Wilson 1828 Comment
  RSA399750  Ceanothus leucodermis Joseph A. Ewan 1931-8-11 S 5495 Los Angeles Lower Pine Flats, First Camp, N. fork San Gabriel Canyon, San Gabriel Mts. Sonoran Zone. 1500 Comment
  SD254696  Ceanothus leucodermis R. G. Swinney 2011-7-8 15484 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5'Q) 1427 Comment
  UC1871312  Ceanothus leucodermis T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5004 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  RSA399123  Ceanothus megacarpus Richard C. Barkelew 1929-4-17 s.n. Los Angeles Mulholland Highlands, Los Angeles Comment
  UC1070876  Ceanothus megacarpus var. megacarpus R. St. John 1930-1-20 75 Los Angeles 2 1/2 miles E of Triunfo Pass 640 Comment
  UC1070884  Ceanothus megacarpus var. megacarpus H. A. Jensen 1933-4-10 286 Los Angeles Hollywood Lake Santa Monica quad. 243 Comment
  CAS-BOT-BC50486  Ceanothus oliganthus H. E. McMinn 1925-8-6 1551 c Los Angeles Sawpit Canyon, San Gabriel Mts. Comment
  POM85940  Ceanothus oliganthus Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  RSA398903  Ceanothus oliganthus Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  UC1071162  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-2-26 307 Los Angeles 1/4 mi s San Fernando Pass; Santa Susana quad. 441 Comment
  SFV2233  Ceanothus spinosus P. G. Kilburn 1958-2-15 608 Los Angeles Santa Monica Mountains Sepulveda Canyon. Mission Fire Trail. 300 Comment
  SEINET12210839  Ceanothus spinosus W. Knight, Knight, I. 1982-1 4487 Los Angeles From Tilden Botanic garden, Berkeley Comment
  UCR193642  Celtis australis A. C. Sanders 2008-7-10 35730 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR193948  Celtis sinensis A. C. Sanders 2008-7-10 35741 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UC1131363  Cenchrus longispinus H. S. Yates 1936-8-28 6356 Los Angeles 5 mi ese Palmdale; Elizabeth Lake Quad. Comment
  CATA243  Centaurea melitensis Mark L. Hoefs, A. Douglas Propst 1973-5-4 240 Los Angeles Santa Catalina Island: Indian Head Point 60 Comment
  RSA607947  Centaurea melitensis L. C. Wheeler 1932-9-5 1348 Los Angeles San Antonio Canyon, San Gabriel Mountains. 884 Comment
  RSA653765  Centaurea melitensis J. Bogdanoff-Lord 1989-5-21 23 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  POM199567  Centaurea melitensis Fordyce Grinnell Jr. 1903-6-27 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  UCR95171  Centaurea solstitialis Steve Boyd, M. Elvin, V. Jotikasthira 1996-6-25 8867 Los Angeles Liebre Mtns, along the Ridge Route west of Castaic Cyn, 1.3 mi. north of the jct w/ Templin Hwy. 854 Comment
  SEINET12651363 Image available Centaurium venustum Muriel F. Wheeler 1938-6-13 975 Los Angeles San Dimas Wash, .5 mi NE of San Dimas County Park 360 Comment
  UCR205570  Centranthus ruber R. G. Swinney 2008-5-30 8873 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
  CATA1015  Cerastium glomeratum Mark L. Hoefs 1995-5-4 1930 Los Angeles Santa Catalina Island: Above Howlands Landing 60 Comment
  RSA632002  Cerastium glomeratum L. C. Wheeler 1969-5-3 s.n. Los Angeles Bluebird truck trail. 716 Comment
  SEINET238659  Cercocarpus betuloides A. C. Sanders, D. Malueg 1998-6-24 22072 Los Angeles San Gabriel Mountains: brushy southeast facing slope on ridge ca. 3.5 miles northeast of Big Tujunga Dam just below VA 1305 Comment
  SD85192  Cercocarpus betuloides var. betuloides E. R. Blakley 1962-10-6 5478 Los Angeles Santa Catalina Island. Bullrush Canyon south of Middle Ranch. 228 Comment
  RSA190891  Cercocarpus betuloides var. blancheae Robert F. Thorne 1967-5-18 36875 Los Angeles Santa Catalina Island. In bottom of Wild Boar Gully. 137 Comment
  RSA235230  Cercocarpus betuloides var. blancheae E. R. Blakley 1963-4-7 5534 Los Angeles Catalina Island. Farnsworth Spring NW of Avalon on the Island Rd. 366 Comment
  RSA449413  Cercocarpus betuloides var. blancheae M. B. Dunkle 1929-3-3 2057 Los Angeles Hamilton Canyon, Santa Catalina Island. 5 Comment
  UC729520  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-5-13 3619 Los Angeles Hamilton Canyon, along ridge fence-line Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 243 Comment
  CATA934  Cercocarpus traskiae Mark L. Hoefs, Robert Given 1992-4-16 1794 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  RSA449456  Cercocarpus traskiae Blanche Trask 1901-03 1931 Los Angeles Avalon, Catalina Island. Comment
  LA31657  Chaenactis artemisiifolia Henry J. Thompson; 1959-5-31 2049 Los Angeles Santa Monica Mountains, Decker Road 0.7 mi. S of Ventura-Los Angeles county line 426 Comment
  UCR223732  Chaenactis artemisiifolia R. G. Swinney 2009-6-12 11139 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR256184  Chaenactis artemisiifolia R. G. Swinney 2010-6-4 13070 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA732932  Chaenactis glabriuscula R. G. Swinney 2000-5-21 7772 Los Angeles NE of Azusa, Rincon Canyon, c. 300 m SW of Rincon Rd. entrance and Hwy 39, on plateau W of Rincon Rd. 549 Comment
  RSA747463  Chaenactis glabriuscula R. G. Swinney 2008-4-4 8614 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  CAS-BOT-BC277352  Chaenactis glabriuscula var. glabriuscula Carl B. Wolf 1936-5-27 7839 Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  UC1119704  Chaenactis glabriuscula var. glabriuscula A. D. Gifford 1935-3-6 8256 Los Angeles 2 8/10 mi sw of Red Mtn.; Angeles National Forest, Tejon 609 Comment
  SEINET3146215  Chaenactis santolinoides G. B. Grant 1904-1 164 Los Angeles Mt. Wilson, Pasadena Comment
  UC1584220  Chaenactis santolinoides Tim Ross and Steve Boyd 1990-5-17 2592 Los Angeles Mill Creek Tree Plantation, Tujunga District San Gabriel Mts., Angeles National Forest 1612 Comment
  PASA2198  Chaenactis stevioides Frank W. Peirson 1923-5-25 Los Angeles Rock Creek, San Gabriel Mts. 1295 Comment
  RSA772397  Chaenactis stevioides R. G. Swinney 2009-5-12 10724 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
  UCR190379  Chaenactis stevioides R. G. Swinney 2001-4-18 7917 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR205902  Chaenactis stevioides R. G. Swinney 2008-5-8 8823 B Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA250633  Chamaesyce albomarginata R. F. Thorne 1971-3-31 41444 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  RSA638205  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1945-6-3 6063 Los Angeles San Gabriel Canyon: West Fork San Gabriel Canyon ca 1 mile west of the forks. . Comment
  UC56928  Chamaesyce serpyllifolia Miss E. D. Palmer July 1902 Los Angeles Claremont Comment
  CAS-BOT-BC70016  Cheilanthes covillei John Thomas Howell 1928-2-11 3344 Los Angeles along trail from Haines Canyon to Mt. Lukens, San Gabriel Mts. Comment
  SEINET10470300  Cheilanthes fendleri Jason R. Grant, W. Wheeler 1904-5-17 Grant UMO 32272 Los Angeles Collected at Mt. Wilson, southern California. In crevices of rocks. 1524 Comment
  RSA591667  Chenopodium berlandieri L. C. Wheeler 1966-9-21 8889 Los Angeles East fork San Gabriel Canyon at Burro Canyon. 457 Comment
  RSA653534  Chenopodium berlandieri LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 275 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  UCR265517  Chenopodium berlandieri Dan S. Cooper 2015-3-22 315- 24 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. along dirt service road at northern edge of Commonwealth Nursery 250 Comment
  RSA167810  Chenopodium californicum R. F. Thorne, P. C. Everett 1964-2-7 33460 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  UC723836  Chenopodium californicum Joseph Andorfer Ewan IX, 1933 10926 Los Angeles Higgins Canyon Santa Monica Mts. Comment
  UCR191693  Chenopodium californicum A. C. Sanders 2008-4-23 35074 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  UCR197163  Chenopodium californicum Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1143 Los Angeles Transverse Ranges: Verdugo Mountains, mouth of McDonald Creek 335 Comment
  RSA603814  Chenopodium leptophyllum Steve Boyd 1997-9-10 10030 Los Angeles Liebre Mountains Region: High point of Liebre Mountain near old radio tower site, at divide between Horse Camp Canyon and Castaic Creek watershed., Near 34 deg 43' 07.6''N 118 deg 40' 07.7''W. 1743 Comment
  POM294054  Chenopodium multifidum Lyman Benson 1945-10-22 11899 Los Angeles Claremont. 335 Comment
  RSA627726  Chenopodium multifidum Steven A. Junak 1996-9-28 SC- 671 Los Angeles E edge of central portion of mesa, in parking area at Stone Field Station. 457 Comment
  RSA126736  Chenopodium murale P. H. Raven 1959-3-15 13850 Los Angeles Stream east of Zuma Beach, Point Dume. 9 Comment
  RSA509609  Chenopodium pumilio L. C. Wheeler 1966-10-25 9088 Los Angeles San Gabriel Canyon at El Encanto. Comment
  RSA670803  Chlorogalum pomeridianum var. pomeridianum Joseph M. Keefe 2001-3-13 31086 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042 256 Comment
  RSA586668  Chorizanthe brevicornu var. brevicornu Orlando Mistretta 1995-6-1 1740 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  CAS-BOT-BC252765  Chorizanthe parryi var. fernandina Le Roy Abrams 1901-4-1 1337 Los Angeles Chatsworth Park Comment
  RSA596839  Chorizanthe parryi var. parryi Tim S. Ross, J. Mark Porter 1995-5-4 8492 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA609046  Chorizanthe staticoides Louis C. Wheeler 1934-6-12 821 Los Angeles San Dimas Canyon, San Gabriel Mountains. 549 Comment
  RSA714684  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26954 Los Angeles Western Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  SBBG12109  Chorizanthe staticoides H. and M. Dearing 1940-4-21 4219 Los Angeles Bouquet Cyn Comment
  UC52617  Chorizanthe staticoides J. H. Barber 1897-6-24 173 Los Angeles Mountains near Newhall (Southern California); Mountains near Newhall Comment
  RSA226028  Chorizanthe xanti Robert F. Thorne, C. W. Tilforth 1971-6-29 40671 Los Angeles San Gabriel Mountains, Angeles National Forest: ca. 1/2 mi W of Soledad near mouth of Kentucky Springs Canyon 945 Comment
  SEINET11838025  Chrysothamnus M. T. Doutt 1931-1 642 Los Angeles Sierra Madre Mts., trail from Mt. Lowe to Mt. Wilson 1615 Comment
  RSA608445  Chrysothamnus nauseosus subsp. bernardinus L. C. Wheeler 1946-8-29 6311 Los Angeles San Gabriel Mountains: Vincent Gap. 2011 Comment
  POM290506  Chrysothamnus nauseosus subsp. hololeucus Lyman Benson 1949-11-7 14280 Los Angeles 10 miles northwest of Big Pine. San Gabriel Mountains. Mojave Desert Drainage Area. 1753 Comment
  POM352145  Cirsium occidentale var. californicum Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  UCD130641  Cirsium occidentale var. californicum Daryl Koutnik 1978-3-27 164 Los Angeles Johnson's Pasture in Live Oak Canyon drainage at end of Mountain Ave., Claremont. 579 Comment
  RSA0070680  Cirsium occidentale var. californicum Gary D. Cromwell, David W. Wheat 1971-4-30 608 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi NE of Glendora. 457 Comment
  CAS-BOT-BC292693  Cirsium occidentale var. venustum Le Roy Abrams; E. A. McGregor 1908-6-20 411 Los Angeles Elizabeth Lake, Liebre Mountains 1219 Comment
  RSA252965  Cistanthe monandra R. F. Thorne, C. W. Tilforth 1973-4-20 43108 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1036 Comment
  SFV17370  Cistus incanus J. N. Hogue, D. L. Bishop 1998-5-28 110 .5 Los Angeles San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area. 976 Comment
  RSA747094  Cistus ladanifer A. C. Sanders, T. B. Salvato 2009-5-19 36832 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  SEINET12235911  Citrus W. F. Wight 1909-1 3566 Los Angeles San Dimas Comment
  HSC16283  Clarkia bottae C. S. Apperson 1967-6-11 Los Angeles 1.0 mi. down Canton Canyon trail from the end of Townsend Park Rd. Comment
  UCSB10879  Clarkia cylindrica Creighton, B. 1961-5-5 Los Angeles at Mint Canyon Camp Ground; 7.7 miles northeast of Solemint; on US Highway 6 624 Comment
  CAS-BOT-BC172249  Clarkia cylindrica subsp. cylindrica Marcus E. Jones 1927-4-24 s.n. Los Angeles North of Lebec Comment
  POM184623  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-22 56 Los Angeles Bouquet Canyon, north of Saugus. 600 Comment
  UCR90285  Clarkia deflexa Scott D. White, Chet McGaugh 1995-6-6 3225 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  CAS-BOT-BC164326  Clarkia dudleyana F. Grinnell Jr. 1910-6-4 s.n. Los Angeles San Gabriel Mts., Long [Canon] Canyon 914 Comment
  CSUSB226  Clarkia dudleyana Art Whistler 1966-5-1 Los Angeles Roadside near intersection of Mulholland Drive and Valley Circle Blvd.; San Fernando Valley. Comment
  UCD21826  Clarkia dudleyana L. D. Gottlieb 2003-5-19 301 Los Angeles Tanbark Flats Forest Experiment Station, Angeles Natioinal Forest, San Gabriel Mts. The population was growing along the south bank of creek, on a north-facing slope about 1/4 mile from roadside near the entrance to the station, about 75 feet above the creekbed. The site is probably the one cited in Lewis and Lewis, 1955, as Lewis and Lewis 511. The specimen was transplanted to LDG's backyard and grown to flowering. Comment
  UCR238656  Clarkia dudleyana Anuja Parikh, Nathan Gale 2010-6-22 3357 Los Angeles Transverse Range, San Gabriel Mountains, Upper Shortcut Canyon, 1.1 km south of State Hwy 2 (Angeles Crest Hwy), 1.3 km southeast of intersection of State Hwy 2 and Upper Big Tujunga Canyon Road 1330 Comment
  UCSB4357  Clarkia dudleyana Nowell, J. 1958-5-16 Los Angeles Mint Canyon; 91/2 mi. from Solemint on HWY 6 Comment
  CAS-BOT-BC172015  Clarkia epilobioides Robert F. Thorne; D. Propst 1968-5-28 37650 Los Angeles Along small stream in central part of Bulrush Canyon, Santa Catalina Island 243 Comment
  POM219968  Clarkia epilobioides F. R. Fosberg 1932-5-5 8117 Los Angeles Canyon above Villa Park. Avalon, Catalina Island 40 Comment
  RSA73331  Clarkia epilobioides F. W. Peirson 1921-4-21 47025 Los Angeles Trail to Sycamore Flat, San Gabriel Mountains. 530 Comment
  CAS-BOT-BC163711  Clarkia purpurea subsp. quadrivulnera R. J. Dobbs 1924-6-5 s.n. Los Angeles Swetzers [Switzer] Comment
  LA32202  Clarkia purpurea subsp. quadrivulnera Henry J. Thompson; 1959-5-24 2019 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  SD253503  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2011-6-23 15286 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek, 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 Comment
  UC1143240  Clarkia purpurea subsp. quadrivulnera H. Lewis and M. Lewis 1947-5-7 210 Los Angeles 0.9 mi n Ranger Station (Decker Road); Santa Monica Mts. Comment
  CAS-BOT-BC164726  Clarkia rhomboidea I. M. Johnston 1917-7-3 1404 Los Angeles San Antonio [Canon] Canyon 1524 Comment
  RSA614820  Clarkia rhomboidea Louis C. Wheeler 1968-6-1 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1220 Comment
  RSA725926  Clarkia unguiculata A. C. Sanders 2003-5-1 26244 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  SD125706  Clarkia unguiculata K. Harper 1986-5-17 Los Angeles San Gabriel Mountains, Little Tujunga to Sand Canyon Road in the vicinity of Mendenhall Peak. Comment
  SEINET10492199  Clarkia unguiculata Tim Holtsford 1992-7-3 Holtsford 920703 -2 Los Angeles Under the interchange between i-5 and state hwy 14. Park by a metal gate that Goes down the rr tracks, pop is on a ne-facing slope, ca 30 yards s of gate. Ne-facing slope. Blue oaks, tree tobacco, anise, phacelia, atriplex, puncture Vine, lots of weeds. Vegetation looks like it's closing in; c.u. Probably will Not persist. Comment
  CAS-BOT-BC439124  Claytonia exigua subsp. exigua Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4816 Los Angeles Liebre Mountains, NW Los Angeles County. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna. 1259 Comment
  RSA527825  Claytonia parviflora subsp. viridis Timothy S. Ross, Steve Boyd 1990-6-18 3453 Los Angeles San Gabriel Mountains: Angeles National Forest. Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1877 Comment
  CATA184  Claytonia perfoliata Mark L. Hoefs, A. Douglas Propst 1973-4-6 153 Los Angeles Santa Catalina Island: Middle of Cape Canyon 304 Comment
  RSA729662  Claytonia perfoliata R. G. Swinney 1998-7-2 6261 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.8 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  SBBG131883  Claytonia perfoliata S. A. Junak, D. Wilken 1996-3-26 SCI 254 Los Angeles terrace on S side of Lemon Tank Cyn, just E of rd to "Tank" 335 Comment
  CAS-BOT-BC439916  Claytonia perfoliata subsp. intermontana John H. Thomas 1957-5-11 6753 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  CHSC83608  Claytonia perfoliata subsp. mexicana John Dittes 1990-6-7 79 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Big Tujunga Creek; ca. 1.2 air miles northeast of dam. 922 Comment
  RSA678207  Claytonia perfoliata subsp. mexicana V. Soza, LeRoy Gross 2001-4-18 1133 -b Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 793 Comment
  RSA466697  Claytonia perfoliata subsp. mexicana L. C. Wheeler 1932-3-12 474 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  RSA466700  Claytonia perfoliata subsp. perfoliata T. S. Clare 1929-03 s.n. Los Angeles Topanga Canyon. Comment
  CAS-BOT-BC91377  Clematis lasiantha John Thomas Howell 1928-3-4 3372 Los Angeles Santa Monica Mountains, northeast of Pacific Palisades. Comment
  UCD95613  Clematis lasiantha John Ingrum 1997-3-6 017 Los Angeles Santa Monica Mountains, off Kanan Road, on the Backbone trail, 60m from the trail head into Newton Canyon. Comment
  POM374  Clematis ligusticifolia Unspecified 1889-06 s.n. Los Angeles San Gabriel. Comment
  RSA760604  Clematis ligusticifolia R. G. Swinney 2008-9-10 9414 Los Angeles South Fork Big Rock Creek 1463 Comment
  UCSB12509  Clematis ligusticifolia Breedlove, Dennis 1961-9-24 Los Angeles Middle Ranch Canyon; 0.5 mi above Ben Weston Beach Santa Catalina Island 60 Comment
  UC729472  Cleomella obtusifolia Carl B. Wolf 1932-9-15 Los Angeles 2 blocks w center of town of Lancaster; Mojave Desert, Antelope Valley 718 Comment
  POM355813  Cnicus benedictus Elbert Benjamine 1929-4-15 166 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA680486  Cnicus benedictus Scott D. White, Michael Honer 2003-6-23 9578 Los Angeles Newhall Area: South Fork, Santa Clarita Riv. between Lyons Ave. and Magic Mountain Parkway. 351 Comment
  SBBG66411  Collinsia bartsiifolia var. davidsonii S. W. Hutchinson -May-1926 1026 Los Angeles Lancaster 715 Comment
  SBBG6851  Collinsia bartsiifolia var. davidsonii H. and M. Dearing 1938-5-1 2690 Los Angeles near Palmdale Comment
  LA52025  Collinsia heterophylla J. A. Ewan; 1929-5-4 3464 Los Angeles Comment
  RSA408290  Collinsia heterophylla Thomas Moore 1947-5-3 32 Los Angeles Topanga Canyon. Comment
  UCR124565  Collinsia torreyi B. C. Templeton 1932-6-17 4908 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  RSA747742  Colutea arborescens Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12688 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  CATA306  Convolvulus arvensis Mark L. Hoefs 1973-6-5 329 Los Angeles Santa Catalina Island: Middle Ranch Canyon, in field by main road 243 Comment
  SFV7154  Convolvulus arvensis V. E. Rudd 1974-8-5 3428 Los Angeles San Fernando Valley Los Angeles, Reseda. 225 Comment
  SBBG122018  Convolvulus simulans A. Parikh, N. Gale 2003-5-31 751 Los Angeles 0.1 km N of Hwy 101, 0.5 km E of Cheeseboro Rd; Agoura Hills 270 Comment
  RSA587187  Conyza canadensis Scott D. White 1995-12-5 3765 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  UCR209678  Conyza canadensis Dan S. Cooper 2008-1 1108- 19 Los Angeles Eastern Santa Monica Mtns., Los Angeles, Griffith Park, Coolidge Canyon 198 Comment
  JEPS70058  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-28 2839 Los Angeles On Mulholland hwy just e of junction with Little Sycamore Rd. Santa Monica Mts. 518 Comment
  RSA412296  Cordylanthus rigidus subsp. setiger G. R. Johnstone 1929-7-14 s.n. Los Angeles Chaparral at La Crescenta Comment
  CAS-BOT-BC287746  Coreopsis bigelovii Steve Boyd; Lauren Raz 1997-3-25 9305 Los Angeles Liebre Mts Region: Upper end of broad alluvial valley at head of Cienaga Canyon, S base of LIebre Mt, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  RSA249802  Coreopsis bigelovii R. F. Thorne, C. W. Tilforth 1973-4-20 43022 Los Angeles San Gabriel Mountains. 1143 Comment
  UCR281969  Coreopsis californica R. G. Swinney 2014-4-17 16087 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  POM356000  Coreopsis californica Geo. L. Moxley 1914-2-23 207 Los Angeles Foot Hills Comment
  RSA92473  Coreopsis californica F. W. Peirson 1917-5-13 2780 Los Angeles Near Little Rock, Mojave Desert. Comment
  CAS-BOT-BC105720  Corethrogyne filaginifolia Le Roy Abrams 1902-8-27 2981 Los Angeles Edges of sand dunes, Play del Rey Comment
  CAS-BOT-BC105746  Corethrogyne filaginifolia Henry J. Thompson 1958-10-10 1808 Los Angeles 0.5 mile east of peak, Saddle Peak - Santa Monica Mountains 701 Comment
  OBI34891  Corethrogyne filaginifolia David J. Keil 1983-8-23 17864 Los Angeles Just W of Leo Carillo State Beach along hwy 1, ca 1 mi E of Ventura County line Comment
  SBBG60701  Corethrogyne filaginifolia R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  UC55081  Corethrogyne filaginifolia Miss E. D. Palmer Los Angeles Los Angeles Comment
  UCD130852  Corethrogyne filaginifolia Gordon Pilone 1960-10-19 57 Los Angeles chaparral area east of Santa Ana Botanical Gardens in Claremont. San Gabriel Mountain Range. Pacific Slope Drainage Area. 390 Comment
  UCR260361  Corethrogyne filaginifolia R. G. Swinney 2010-4-30 12447 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  POM40861  Corethrogyne filaginifolia var. filaginifolia Marcus E. Jones 1882-05 s.n. Los Angeles Pasadena. Comment
  POM187607  Cornus occidentalis Joseph A. Ewan 1928-6-9 3634 Los Angeles Formerly abundant locally (at date of collection) in stream bottom thicket, Verdugo Canyon at Colima Drive Comment
  RSA611653  Crassula connata Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10083 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA608351  Crassula connata var. connata L. C. Wheeler 1931-2-22 s.n. Los Angeles 1/4 mile north, Woods Grove: (vicinity of Claremont). Comment
  POM356341  Crepis nana Fred Burlew 1916-08 3140 Los Angeles Mt. San Antonio Comment
  UC527605  Crocanthemum scoparium var. vulgare C. B. Wolf 1931-6-25 Los Angeles sw of California Botanic Garden; Mandeville Canyon 60 Comment
  UC73466  Crocanthemum scoparium var. vulgare Miss E. D. Palmer 1904-11-1 Los Angeles vicinity Los Angeles Comment
  RSA199159  Crossosoma californicum R. F. Thorne 1968-5-29 37706 Los Angeles Santa Catalina Island. Lower end of Hamilton Canyon, ca. .5 miles NNW of Avalon. 30 Comment
  RSA579224  Crossosoma californicum T. S. Ross 1994-3-28 7411 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  RSA679303  Crossosoma californicum Mark Elvin, Michael Wall 1997-3-18 378 Los Angeles Santa Catalina Island. Cape Canyon Ridge. W side of canyon. With Rock outcrop 200' above valley floor. Approx. 1/2 mile south of well house along Cape Canyon Road. Comment
  SBBG44378  Croton californicus G. Sphon, D. Hearn 1956-5-30 8 Los Angeles Black Butte Comment
  SFV2078  Croton setiger K. A. Wilson 1961-4-27 1164 Los Angeles San Gabriel Mountains Soledad Canyon. Base of small canyon adjacent to Bee Canyon. 610 Comment
  RSA604529  Crypsis vaginiflora Mark Hoefs, R. F. Thorne, Janet Takara, M. Gay 1995-7-27 2491 Los Angeles Santa Catalina Island, Upper Bulrush Reservoir. 293 Comment
  RSA0115809  Crypsis vaginiflora Steven A. Junak 1999-9-11 SCa- 1099 Los Angeles Santa Catalina Island. W side of upper Buffalo SPrings reservoir. 433 Comment
  UCR205220  Cryptantha R. G. Swinney 2006-6-18 8532 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
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Feb 19 2020
  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
  SEINET7063086  Cryptantha circumscissa A. G. Vestal 1963-5-22 s.n. Los Angeles Outside Bobs Gap, Antelop Valley. UTM Zone 11, 425337mE, 3812845mN. (WGS84/NAD83). 1247 Comment
  UC280372  Cryptantha clevelandii J. H. Barber 1897-3-14 48 Los Angeles Santa Monica Forestry Station Comment
  RSA3543  Cryptantha clevelandii var. florosa C. B. Wolf 1932-5-9 3487 Los Angeles At 2nd group of mine workings in left (east) fork of Pebbly Beach Canyon, Santa Catalina Island. 244 Comment
  SBBG126942  Cryptantha clokeyi A. Parikh, N. Gale 2011-6-23 3499 Los Angeles Iron Mtn, 1.6 km E of Angeles Forest Hwy, 1.1 km S of Monte Cristo Crk 1523 Comment
  UCR126681  Cryptantha corollata A. C. Sanders, Mark A. Elvin 2003-4-16 26040 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 366 Comment
  SD239637  Cryptantha echinella R. G. Swinney 2008-6-17 9029 Los Angeles San Gabriel Mountains: 2.3 miles north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway (Valyermo 7.5'Q) 1992 Comment
  SD241776  Cryptantha echinella R. G. Swinney 2009-5-12 10726 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd., and to 1/2 mi. NW up ridge. 1435 Comment
  UCR222722  Cryptantha echinella R. G. Swinney 2009-5-12 10726 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  LA94301  Cryptantha intermedia Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  UC598546  Cryptantha intermedia John Bright 1936-4-16 12712 Los Angeles Santa Monica Mts. Comment
  UCR142973  Cryptantha intermedia T. S. Ross, Steve Boyd 1990-6-6 2856 Los Angeles Green Valley Pasture, in San Francisquito Canyon 1037 Comment
  CAS-BOT-BC520382  Cryptantha micrantha var. micrantha Steve Boyd; Gary Wallace 2011-4-14 12315 Los Angeles Transverse Ranges: Liebre / San Gabriel Mtns region. Acton Wash ca 3 km E of jct of Soledad Canyon Rd and Crown Valley Rd 829 Comment
  UCR258877  Cryptantha micromeres R. G. Swinney 2010-5-7 12610 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
  RSA126670  Cryptantha microstachys P. H. Raven, H. J. Thompson 1959-5-5 14139 Los Angeles Mulholland Hwy, 1mile W of Las Virgenes Road, Malibu Creek drainage. 366 Comment
  RSA596076  Cryptantha microstachys T. S. Ross, Steve D. Boyd 1995-6-28 8623 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA646972  Cryptantha microstachys LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 243 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 727 Comment
  RSA678252  Cryptantha microstachys Valerie Soza, Steve D. Boyd 2002-4-10 1394 Los Angeles Ridge above east fork of Haskell Canyon, ridge just west of Del Sur Ridge. Approx. 2 miles NW along Coarse Gold Canyon fire road from Bouquet Canyon., Stables Fire 2001 area. 655 Comment
  UCR271550  Cryptantha microstachys R. G. Swinney 2011-5-19 14763 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  POM211518  Cryptantha microstachys L. C. Wheeler 1934-4-24 2541 Los Angeles Liveoak Canyon Dam 457 Comment
  UCR190777  Cryptantha muricata R. G. Swinney 1999-7-5 7533 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR260334  Cryptantha muricata R. G. Swinney 2010-5-4 12541 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
  SD181666  Cryptantha muricata Louis C. Wheeler 1973-4-20 Los Angeles San Gabriel Mountains; Aliso Canyon 0.25 mile southsouthwest of Blum Randh. 914 Comment
  UCSB5594  Cryptantha muricata B., K. 1944-6-14 Los Angeles Near Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mtns. 822 Comment
  RSA0079443  Cryptantha muricata var. jonesii H. L. Bauer 1931-6-1 s.n. Los Angeles Topango Santa Monica Mts. Comment
  RSA0079587  Cryptantha muricata var. muricata C. B. Wolf 1928-4-1 1613 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA0079201  Cryptantha muricata var. muricata Orlando Mistretta 1994-4-29 1110 Los Angeles San Gabriel Mountains: Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N of Forest Road 4N20. 1372 Comment
  RSA0079457  Cryptantha muricata var. muricata Anstruther Davidson 1920-06 s.n. Los Angeles Acton. Comment
  RSA0079628  Cryptantha muricata var. muricata R. F. Thorne 1974-4-9 44703 Los Angeles Bob's Gap in Holocomb Ridge. 1219 Comment
  RSA725108  Cryptantha nevadensis var. rigida Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -50 Los Angeles San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA709951  Cryptantha oxygona LeRoy Gross 2005-4-28 2161 -d Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  UCR184200  Cryptantha oxygona A. C. Sanders 2007-4-19 33450 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR194009A  Cryptantha oxygona R. G. Swinney 1999-6-5 7253 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA0079036  Cryptantha pterocarya var. pterocarya LeRoy Gross 2005-4-28 2147 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  UCR205454  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-2 8730 B Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR143927  Cucurbita foetidissima A. C. Sanders, Lee Jones 2004-11-7 29029 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  UC1602382  Cucurbita foetidissima Louis C. Wheeler 1931-8-22 10 Los Angeles 2 mi. n.-n.e. La Verne 402 Comment
  UCR146494  Cupressus arizonica Scott D. White 2004-7-27 10645 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  CHSC95488  Cupressus forbesii LeRoy Gross 2002-2-23 480 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northeast side: Along Beaudry North Mountainway (dirt road) from bottom of Deer Creek this road leads to the main crest of the Verdugo's. Entered at the intersection of Beaudry Blvd. and Beaudry Terrace. 458 Comment
  RSA667601  Cupressus forbesii Steve Boyd, Lee Lenz 2001-5-2 10425 Los Angeles Warm Springs Mountain, along road to summit, just west of cutoff to Necktie Basin on slope between road and steep escarpment into Warm Springs Canyon. Comment
  RSA600012  Cuscuta californica Steve Boyd, Lauren Raz 1997-5-29 9924 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  UCR255472  Cuscuta californica Dan S. Cooper 2014-6-26 614- 30 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., southeastern corner of Griffith Park, slope north of Commonwealth Nursery site, above Vista del Valle Dr. 276 Comment
  UCR277918  Cuscuta californica Mitch Provance, Jon True 2015-6-30 615- 01 Los Angeles Western Transverse Ranges, Bouquet Canyon, 4.5 miles WNW of Newhall, S of Corner of David Way and Bouquet Canyon Rd. 431 Comment
  LA105115  Cuscuta californica Barry A. Prigge; 1988-6-9 8625 Los Angeles Santa Monica Mountains, 0.3 mi. SE of N-junction of Mulholland Hwy. and Old Topanga Rd., S. of Calabasas High School 405 Comment
  JEPS47096  Cuscuta denticulata K. Brandegee Los Angeles Ravenna Comment
  RSA661187  Cuscuta subinclusa LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 395 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  UCR210494  Cuscuta subinclusa R. G. Swinney 2008-11-30 9861 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  RSA250557  Cycladenia humilis var. venusta R. F. Thorne, John Dourley 1967-10-3 37297 Los Angeles Mt. Baden-Powell: just N of summit 2805 Comment
  UCR276958  Cylindropuntia echinocarpa R. G. Swinney 2010-6-1 13087 B Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  CAS-BOT-BC190263  Cynodon dactylon Tim Ross 1992-6-15 6593 Los Angeles Whittier Hills (local name for western extremity of the Puente Hills). Head of Turnbull Canyon, about 80 m southwest of the intersection Skyline Drive with Turnbull Canyon Road. 349 Comment
  RSA747056  Cynodon dactylon R. G. Swinney 2008-5-30 8886 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR223271  Cyperus eragrostis R. G. Swinney 2009-8-19 11455 Los Angeles Transverse Range; San Gabriel Mtns., confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  RSA365125  Cyperus involucratus T. S. Clare 1929-4-13 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  LA33493  Cyperus odoratus Peter H. Raven; Henry J. Thompson 1959-10-14 14623 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E end of lake 220 Comment
  RSA365132  Cyperus squarrosus V. V. Giles 1936-7-5 s.n. Los Angeles Crystal Lake Comment
  RSA226933  Cystopteris fragilis R. F. Thorne 1971-8-25 41265 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  UCR143250  Cytisus multiflorus LeRoy Gross 2004-3-30 1212 Los Angeles Transverse Ranges, Verdugo Mountains region; north side of the mountains; off the south side of the 210 fwy between La Tuna Canyon Road and Lowell Ave. in the city Tujunga 549 Comment
  RSA729551  Dactylis glomerata R. G. Swinney, D. W. Larson 1999-6-12 7544 Los Angeles San Gabriel Mtns.: upper East Fork San Dimas Canyon, north of confluence with Fern Canyon. 869 Comment
  RSA599850  Datisca glomerata Steve Boyd, Lauren Raz 1997-5-6 9766 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA682456  Datisca glomerata LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1045 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 519 Comment
  UCR271810  Datisca glomerata R. G. Swinney 2011-6-23 15306 Los Angeles San Gabriel Mountains, Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  JEPS12203  Datura stramonium Louis C. Wheeler 1933-12-12 2323 Los Angeles behind San Dimas Cayon Dam (San Gabriel Mts.); , behind San Dimas Canyon Dam 411 Comment
  UCR259385  Datura wrightii R. G. Swinney 2010-4-20 12282 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA526525  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4264 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR136826  Daucus pusillus John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  CAS-BOT-BC299295  Deinandra fasciculata Joseph Andorfer Ewan 1933-6-29 10822 Los Angeles Ballona Marshes near Playa del Rey Comment
  UC897744  Deinandra fasciculata Ezra C. Knopf 140 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC9098  Delphinium cardinale LeRoy Abrams 1901-7-1 1875 Los Angeles West Fork of San Gabriel River Comment
  RSA394508  Delphinium cardinale Fay A. MacFadden 1931-6-24 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  POM199601  Delphinium cardinale I. W. Clokey, Bonnie C. Templeton 1929-08 4601 Los Angeles Mandeville Canyon. 300 Comment
  UCSB50281  Delphinium cardinale Reisentz, Paul 1975-6-7 Los Angeles Twin Falls Reserve; 1 mile east on Stunt Road from Mulholland Hwy 274 Comment
  CAS-BOT-BC7962  Delphinium parishii subsp. parishii Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon 731 Comment
  CHSC95803  Delphinium parishii subsp. parishii LeRoy Gross 2005-5-3 2241 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
  UC64118  Delphinium parishii subsp. parishii H. M. Hall June 1899 1243 Los Angeles San Antonio Mts. 1752 Comment
  CAS-BOT-BC33224  Delphinium parryi LeRoy Abrams 1901-4-1 1186 Los Angeles Ballona Harbor Comment
  RSA398706  Delphinium parryi R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  RSA398714  Delphinium parryi Reid V. Moran 1941-3-2 667 Los Angeles North of Wilson's Harbor, Santa Catalina Island. Comment
  UC450838  Delphinium parryi Fay A. Macfadden 1931-4-22 2635 Los Angeles grassy hillside San Franscito Canyon Comment
  CAS-BOT-BC116270  Delphinium parryi subsp. parryi Cecil Hart 1925-5-18 s.n. Los Angeles Pasadena Comment
  POM230715  Delphinium patens subsp. hepaticoideum I. W. Clokey, E. G. Anderson 1935-5-9 6621 Los Angeles San Dimas Canyon Comment
  POM346612  Delphinium patens subsp. hepaticoideum Barry Burnell 1971-4-26 325 Los Angeles San Dimas Canyon: 6.2 mi. from intersection of Foothill Road and San Dimas Canyon Road. San Dimas Canyon to Pacific Slope Drainage Area. 480 Comment
  UC854193  Delphinium patens subsp. hepaticoideum I. W. Clokey and E. G. Anderson 1935-5-9 6621 Los Angeles San Dimas Canyon Comment
  UCD96567  Delphinium patens subsp. hepaticoideum Curtis Schway 1993-3-28 2 Los Angeles Santa Monica Mtns., Malibu State Park, Corner of Mullholland Dr. and Cornell Rd, .5 mi. N.E. on the upper fork of Yearling Trail. 245 Comment
  RSA0080672  Delphinium patens subsp. hepaticoideum Tim S. Ross 1992-5-8 6300 Los Angeles San Gabriel Mountains: Glendora Ridge Road; steep northerly slope overlooking Coldwater Canyon to the N; ca. 640 ft. NNW of Dora triangulation point (4547 ft.). 1244 Comment
  UC792946  Dendromecon harfordii Reid Moran 1949-2-7 3150 Los Angeles Johnson's Cove Catalina Island (ne slope) Comment
  RSA0004633  Dendromecon piercei Marcus E. Jones 1929-5-25 26109 Los Angeles Claremont. Comment
  CAS-BOT-BC82908  Dendromecon rigida C. F. Baker 1904-4-4 4150 Los Angeles Claremont. Comment
  IRVC26286  Dendromecon rigida Mark A. Elvin, Cathleen Weigand 2003-5-22 2898 Los Angeles crest of mountains at head of Salt Canyon, Newhall Ranch Santa Susana Mtns. 915 Comment
  RSA433210  Dendromecon rigida T. W. Minthorn 1924-4-1 s.n. Los Angeles Mint Canyon. Bet. Newhall and Palmdale. Comment
  RSA507521  Descurainia pinnata subsp. halictorum L. C. Wheeler 1967-5-12 9463 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  CAS-BOT-BC43490  Descurainia sophia Ira L. Wiggins 1966-5-15 20594 Los Angeles Mohave Desert. Desert wash immediately east of J.F.L. Motel. Pearblossom. Comment
  CAS-BOT-BC402257  Dicentra chrysantha Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3761 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 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
  JEPS64192  Dichelostemma capitatum Frank W. Peirson 1918-5-21 7 Los Angeles Arroyo Seco San Gabriel Mts. Comment
  UC440431  Dichelostemma capitatum Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Las Flores Canyon Santa Monica Mountains Comment
  UC792431  Dichelostemma capitatum Ira L. Wiggins 1949-2-22 11959 Los Angeles n end San Clemente Island Comment
  RSA251402  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1966-4-16 36071 Los Angeles San Clemente Island, canyon below Lemon Tank near dump, S of Nanny, NE side of island 183 Comment
  SD52446  Diplacus longiflorus Benjamin C. Stone April 1953 331 Los Angeles San Gabriel Mt. Range, hills above Big Dalton Canyon 1189 Comment
  LA200776  Dodecatheon clevelandii Jonathan Sauer; Robin Smith-Cox 1981-2-22 6125 Los Angeles 91 Comment
  POM3639  Dodecatheon redolens I. M. Johnston 1917-8-22 1648 Los Angeles Prarie Fork of San Gabriel River, San Antonio Mountains. 2134 Comment
  UCR31795  Dodecatheon redolens T. P. Krantz 1980-7-4 s.n. Los Angeles San Gabriel Mtns, Lily Springs Comment
  POM370047  Draba cuneifolia Blanche Trask 1902-04 s.n. Los Angeles Avalon. Santa Catalina Island. Comment
  CATA2954  Drymocallis glandulosa Sarah Ratay 2006-8-9 98 Los Angeles Santa Catalina Island: Middle Canyon, NW side of drainage, few hundred meters E of Three Oaks Turnout, growing on NW side of a Malosma laurinia shrub 128 Comment
  RSA0127371  Drymocallis glandulosa Louis C. Wheeler 1967-7-15 10041 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  UCR280493  Dryopteris arguta R. G. Swinney 2014-6-5 16707 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  RSA650213  Dryopteris arguta Henry Pasek 1949-2-2 s.n. Los Angeles Campus Cal Poly 228 Comment
  UC792928  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1948-6-8 3086 Los Angeles Mouth of Winter Canyon Malibu Beach (Malibu Beach) 76 Comment
  RSA720613  Dudleya cymosa subsp. ovatifolia Naomi Fraga, Janell Cassianni, Ryan Gilmore 2006-7-25 1733 Los Angeles Malibu Canyon, small side drainage just south of Malibu Canyon tunnel. 259 Comment
  UCR213785  Dudleya cymosa subsp. pumila Scott D. White, Justin M. Wood 2009-5-6 12660 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  UC933194  Dudleya hassei Carl B. Wolf 1950-4-28 3629 Los Angeles facing Pebbly Beach; Santa Catalina Island Comment
  SD143942  Dudleya lanceolata Scott D. White 1997-5-22 5216 Los Angeles San Gabriel River Wash: Azusa; alluvial fan east and west of levee. 180 Comment
  UCR194008  Dudleya lanceolata R. G. Swinney 1998-8-17 6768 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  RSA247427  Dudleya lanceolata Jack Delaini, Barbara Shervanick 1974-5-23 220 Los Angeles Lodi Canyon, San Dimas Experimental Forest 441 Comment
  RSA723077  Dudleya pulverulenta subsp. pulverulenta LeRoy Gross 2007-5-2 2673 Los Angeles Southern part of the range; Stough Canyon just below the nature center. Near 427 Comment
  CAS-BOT-BC109736  Dudleya virens subsp. hassei Reid Moran 1941-5-27 873 Los Angeles Lovers' Cove, near Avalon, Catalina Island. Comment
  POM180095  Dudleya virens subsp. hassei F. R. Fosberg 1931-4-7 684 Los Angeles Hamilton Beach, Santa Catalina Island. 2 Comment
  UCR271167  Dysphania botrys R. G. Swinney 2011-9-27 15703 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
  RSA610545  Echinochloa crus-galli L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Canyon Spring. 854 Comment
  RSA600809  Echinochloa crus-pavonis L. C. Wheeler 1966-11-23 9154 Los Angeles San Gabriel Mountains. Between head of Morris Reservoir and San Gabriel Dam. Comment
  RSA702549  Eclipta prostrata Scott D. White 2004-10-15 10778 Los Angeles San Gabriel Mountains: Foothills above Monrovia. Sawpit Canyon below Sawpit Dam. 396 Comment
  HSC8367  Ehrendorferia chrysantha C. S. Apperson 1967-6-20 Los Angeles 2 mi. E of Sierra Pelona lookout, off Big Oak Tree trail Comment
  UCSB42947  Ehrendorferia ochroleuca Martincich, M. 1980-4-5 Los Angeles Highway 23 at summit, east of Highway 1 731 Comment
  RSA228843  Eleocharis parishii Robert F. Thorne 1971-6-26 40620 Los Angeles San Gabriel Mtns., Angeles National Forest: Shallow water at mouth of Big Tujunga Canyon. 426 Comment
  UCR99559  Eleocharis parishii B. G. Pitzer, Paul Gomez 1996-4-28 2749 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  RSA600599  Eleocharis rostellata L. C. Wheeler 1968-9-3 s.n. Los Angeles San Gabriel Mountains: Widman Ranch, near house. Comment
  CAS-BOT-BC221835  Eleusine indica E. Braunton 1907-8-1 s.n. Los Angeles Verduga Hills bordering Tujunga Wash Comment
  UCR216569  Elymus condensatus Dan S. Cooper 2010-6-16 610- 71 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Cadman Drive, SE corner of Griffith Park 137 Comment
  POM50623  Elymus elymoides A. D. E. Elmer 1902-06 3749 Los Angeles Lancaster. Comment
  RSA773281  Elymus elymoides R. G. Swinney 2009-5-20 10815 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  SEINET4134699  Elymus elymoides subsp. elymoides Scott D. White, Pam DeVries 1998-1 6762 Los Angeles Soledad Canyon Area: Proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. USGS 7.5' Agua Dulce quad.; 0 549 Comment
  POM178021  Elymus glaucus Joseph A. Ewan 1931-5-16 4202 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 366 Comment
  UC1595343  Elymus glaucus Tim Ross 1992-5-17 6364 Los Angeles lower Shoemaker Canyon San Gabriel Mts. (draining to E fork of San Gabriel River and joining it at 2125 ft elevation) 688 Comment
  JEPS1573  Emmenanthe penduliflora W. L. Jepson 1935-4-17 17069 Los Angeles Portal Ridge; N Los Angeles County Comment
  RSA0064059  Emmenanthe penduliflora R. G. Swinney 2010-4-20 12307 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  CAS-BOT-BC131193  Encelia californica R. M. Beauchamp 1967-1-29 151 Los Angeles In canyon west and below Marine Outpost above Pyramid Cove, San Clemente Island Comment
  UC1922585  Encelia californica Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1169 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 518 Comment
  UC472317  Encelia californica Crawford and Hiatt 1916-3-28 575 Los Angeles Santa Monica Mts Santa Monica Mts (hillsides) Comment
  LA94427  Encelia californica A. M. Johnson; 1932-5-14 4071 Los Angeles 7 Comment
  UCR146111  Encelia farinosa Michael Denslow, Steve Boyd 2003-5-7 1086 Los Angeles Transverse Ranges; San Gabriel Mountains region, Lower Glendora Ridge Motorway (1N26) above Azusa 518 Comment
  UCR161206  Endolepis covillei T. B. Salvato, Melissa Clemons 2005-9-27 1233 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  CAS-BOT-BC81508  Ephedra californica Ynez Whilton Winblad 1941-6-4 s.n. Los Angeles Antelope Valley. Between Lancaster and highway 99 Comment
  LA28379  Ephedra californica H. Lewis; 1940-4-5 1365 Los Angeles Palmdale Comment
  CAS-BOT-BC81806  Ephedra nevadensis Robert F. Thorne 1973-5-11 43500 Los Angeles San Gabriel Mts., Mojave Desert Slope: [Bob's] Bobs Gap, Holcomb Ridge 1219 Comment
  NY70348  Ephedra nevadensis R. F. Thorne 1973-5-11 43538 Los Angeles San Gabriel Mountains, Mojave Desert Slope: along Mt. Emma Road, 0.5 mile east of Little Rock Creek below the dam 1036.3 Comment
  RSA383904  Ephedra nevadensis N. C. Cooper 1943-11-20 990 Los Angeles Lancaster. Mojave Desert 762 Comment
  SEINET13386999 Image available Epilobium brachycarpum R. G. Swinney 2011-1 15896 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 (Azusa 7.5' Q.) 649 Comment
  UCR223305  Epilobium canum R. G. Swinney 2009-7-29 11410 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC166272  Epilobium canum subsp. canum G. L. M. 1915-10-12 452 Los Angeles Hills near Southwest Museum, Los Angeles Comment
  CATA3157  Epilobium canum subsp. canum Amy Catalano 2016-6-14 144 Los Angeles Santa Catalina Island: Southwest of Cape Canyon corrals, east of Cape Canyon Road 171 Comment
  RSA550706  Epilobium canum subsp. canum Tim S. Ross, Annette Ross 1991-7-29 5687 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  SBBG60117  Epilobium canum subsp. canum R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) Comment
  SDSU8892  Epilobium canum subsp. canum Harvey 1938-8-7 2201 Los Angeles Near Malibu. Comment
  UC213261  Epilobium canum subsp. canum I. M. Johnston 1917-11-30 1801 Los Angeles w mouth of Live Oak Canyon; San Antonio Mountains 457 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
  RSA588450  Epilobium canum subsp. latifolium Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
  RSA611537  Epilobium canum subsp. latifolium Louis C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mountains: Cattle Canyon, 1 mile E of mouth of Coldwater Canyon. 945 Comment
  UCR159903  Epilobium ciliatum Orlando Mistretta 1993-7-6 926 Los Angeles Transverse Ranges; San Gabriel Mountains, Buckhorn Canyon, near exit to Buckhorn Canyon Campground Comment
  RSA311283  Epilobium ciliatum subsp. ciliatum Robert F. Thorne 1969-7-10 38419 Los Angeles San Gabriel Mts; Angeles National Forest; south of Wrightwood-Big Pines Hwy, c. 1.5 miles W of Wrightwood, Swarthout Valley 1951 Comment
  UC56105  Epilobium ciliatum subsp. ciliatum J. H. Barber 1898-8-3 Los Angeles Topango Comment
  RSA330812  Epilobium ciliatum subsp. glandulosum Wayen E. Sawyer 1981-7-5 77 Los Angeles Angeles National Forest: Ca Hwy 2 between Dawson Saddle and junction of Ca Hwy 39, 2.75 mi. from Dawson Saddle. 2241 Comment
  RSA732925  Epilobium ciliatum subsp. glandulosum R. G. Swinney 1999-8-14 7627 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
  RSA747971  Epilobium glaberrimum R. G. Swinney 2001-9-16 8170 Los Angeles San Gabriel Mountains: 100 m east of Little Jimmy Spring Canyon, south fork, south of Hwy 2, 0.6 mile due east of Mt. Islip and c. 2 miles north of Crystal Lake. 2207 Comment
  RSA748886  Epilobium glaberrimum R. G. Swinney 2001-8-11 8035 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  RSA381695  Epipactis gigantea George Henry Grinnell 1923-5-30 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  UCD169202  Epipactis helleborine A. C. Sanders; T. B. Salvato 2009-5-19 36838 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  UCR189859  Equisetum arvense R. G. Swinney 1998-7-10 6411 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1585 Comment
  POM18114  Equisetum arvense P. A. Munz 1923-5-26 6839 Los Angeles Head of Vincent Gulch, San Gabriel Mts. springy places 1982 Comment
  RSA585680  Equisetum hyemale var. affine T. S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3334 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  CAS-BOT-BC57758  Equisetum telmateia Louis C. Wheeler 1932-6-13 809 Los Angeles At Los Feliz Blvd., Los Angeles River. 121 Comment
  RSA612917  Equisetum telmateia var. braunii L. C. Wheeler 1931-8-27 29 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  UCR127667  Eragrostis barrelieri A. C. Sanders, Mark A. Elvin 2002-8-27 25593 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, Santa Clara River Valley, south of Hwy 126 274 Comment
  RSA639264  Eragrostis curvula L. F. Lane 1965-05 41832 Los Angeles Mountains North of Los Angeles [Santa Monica Mts?]. Comment
  RSA657156  Eremocarpus setiger Joseph M. Keefe 2001-1-19 30911 Los Angeles Along footpath between Betty Place and intersection of Upperton Avenue and Buena Vista Terrace and Nolden Street; ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles; 90042. 244 Comment
  RSA0105515  Eriastrum densifolium subsp. austromontanum J. Mark Porter, Lauren Machen 2012-5-30 15131 .1 Los Angeles Along Lone Pine Canyon Road, near the junction with CA Hwy 138 near Mormon Rocks Ranger Station. 1026 Comment
  UCSB23330  Eriastrum densifolium subsp. austromontanum McPherson, J. 1966-5-24 Los Angeles Santa Clara River bed, about 0.75 mi. west of Saugus on Saugus-Castaic Road 304 Comment
  RSA0107974  Eriastrum densifolium subsp. austromontanum R. E. Riefner 1996-6-7 96 -111 Los Angeles Santa Clarita, Hwy. 14 along Placer Creek. Comment
  RSA0104116  Eriastrum densifolium subsp. elongatum L. E. Hoffman 1929-6-23 s.n. Los Angeles Mouth [of] Pacoima Canyon. San Gabriel Mountains, Angeles Forest. Comment
  RSA599688  Eriastrum filifolium Steve Boyd, Lauren Raz 1997-5-6 9706 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
  UCD150803  Eriastrum pluriflorum C. C. Crampton 1941-1 s.n. Los Angeles California, Los Angeles County, Gorman. Elevation estimated with Google Earth. 1158 Comment
  RSA0121814  Eriastrum sapphirinum subsp. dasyanthum Michael Wall 2003-6-11 336 Los Angeles City of Claremont, vacant lot sold for commercial development at NW corner of Monte Vista Ave. and Foothill Blvd. 427 Comment
  CAS-BOT-BC514995  Eriastrum sapphirinum subsp. dasyanthum Verne Grant 1951-5-24 16001 Los Angeles North of Claremont 518 Comment
  RSA0121283  Eriastrum sapphirinum subsp. dasyanthum K. Dobry 1991-6-24 d- 759 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UCR280870  Ericameria cooperi R. G. Swinney 2014-5-1 16333 Los Angeles San Gabriel Mountains/Mojave Desert, NW of Valyermo, extreme west end of Holcomb Ridge, 400-500 meters NE of Valyermo Rd. and 250 m east of Big Rock Wash, 0.3 mile north of jct. of Pallett Creek Rd. and Valyermo Rd. 1110 Comment
  SBBG62824  Ericameria cooperi var. cooperi R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  UCR124590  Ericameria linearifolia B. C. Templeton, I. W. Clokey 1930-4-8 1065 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  LA204643  Ericameria nauseosa J. Sauer; D. Bradbury, L. Wester 1969-10-19 4657 Los Angeles San Gabriel Mountains, Mount Pacifico 2133 Comment
  UCR5059  Ericameria nauseosa var. hololeuca Mark A. Dimmitt 1970-10-20 s.n. Los Angeles Western Mojave Desert, [toward] Cajon Pass, c. 4 mi above Llano 1220 Comment
  CAS-BOT-BC298188  Ericameria nauseosa var. oreophila Ernest C. Twisselmann 1970-9-8 17491 Los Angeles Mojave Desert: Antelope Valley: Highway 14 at Avenue B 731 Comment
  POM359450  Ericameria parishii Anstruther Davidson 1911-07 3146 Los Angeles Low foothills, Crescenta Comment
  RSA660424  Ericameria parishii Orlando Mistretta 1992-5-21 s.n. Los Angeles Right Star Mine, S of Acton. Comment
  SFV16376  Ericameria parishii P. M. Schiffman, R. van de Hoek 1996-9-30 s. n. Los Angeles San Gabriel Mountains Roadside along Bear Divide Road, on slope above Pacoima Canyon. Comment
  CAS-BOT-BC293150  Ericameria pinifolia Javier Penalosa 1960-9-1 908 Los Angeles Eastern Los Angeles Co. San Dimas Canyon Park Comment
  UC407070  Ericameria pinifolia L. R. Abrams 1916-10-30 6377 Los Angeles near Azusa Comment
  OBI16775  Ericameria teretifolia Robert F. Hoover 1966-10-16 10193 Los Angeles 3 mi S of Palmdale Comment
  SEINET6066358  Erigeron Unknown 9025 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UC135181  Erigeron breweri var. bisanctus C. F. Baker 1903-8-2 3658 Los Angeles near Claremont; San Antonio Canon Comment
  RSA0047904  Erigeron foliosus R. G. Swinney 2010-6-4 13064 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
  RSA838  Erigeron foliosus J. T. Howell 1928-6-29 998 Los Angeles Seminole Hot Springs Road, Santa Monica Mountains 457 Comment
  CAS-BOT-BC376122  Eriodictyon crassifolium var. crassifolium Marck Menke 2002-3-29 134 Los Angeles San Gabriel Mts., Angeles Crest Highway (Hwy. 2) at a pullout southeast of the intersection with Angeles Forest Highway Comment
  UCR273041  Eriodictyon parryi R. G. Swinney 2011-7-8 15522 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
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Jan 24 2017
  RSA455106  Eriodictyon traskiae M. B. Dunkle 1931-4-22 2455 Los Angeles Head of Swain s Canyon. Comment
  CAS-BOT-BC222688  Eriodictyon trichocalyx Clare B. Hardham 1959-6-16 4871 Los Angeles Near Pear Blossom Comment
  CAS-BOT-BC222689  Eriodictyon trichocalyx P. A. Munz 1918-5-16 2250 Los Angeles Claremont Comment
  RSA455077  Eriodictyon trichocalyx Bonnie C. Templeton 1930-6-11 1098 Los Angeles Franks [Franklin] Canyon, near Mulholland Drive Comment
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Jan 12 2008
  RSA611616  Eriodictyon trichocalyx Damian Ross 1997-3-29 17 Los Angeles Bernard Biological Field Station, Claremont Colleges. NE side of Phake Lake. 412 Comment
  LA205725  Eriodictyon trichocalyx var. trichocalyx Elizabeth Levine; 1949-5-8 sn Los Angeles San Gabriel Mountains, Big Tujunga Wash N of the bridge Comment
  RSA608199  Eriogonum R. S. Woglum 1940-5-15 2912 Los Angeles South Coast: Tujunga Wash; San Fernando Valley. . Comment
  IRVC27446  Eriogonum baileyi var. baileyi David Charlton, Robb Fishman 1990-8-30 3905 Los Angeles NE Palmdale, corner of Ave "P" and Sierra Hwy. Western Mojave Desert 793 Comment
  RSA596214  Eriogonum baileyi var. baileyi Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3384 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  SD234490  Eriogonum baileyi var. baileyi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3003 Los Angeles Santa Carita Valley: Newhall Ranch, mouth of Castaic Creek, S of SR 126. 289 Comment
  RSA563032  Eriogonum brachyanthum D. Charlton 1991-5-27 5309 Los Angeles Junction 90th and C St. west of Palmdale and south of Little Rock on road to Edwards AFB 945 Comment
  RSA393146  Eriogonum cinereum Ora M. Clark 1928-10-21 1220 Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  UC6578  Eriogonum cinereum W. H. Brewer 1860-12-21 80 Los Angeles Sierra Santa Monica Comment
  CAS-BOT-BC242757  Eriogonum davidsonii Joseph Andorfer Ewan 1936-8-9 10028 Los Angeles 1/4 mi. n. of Bald Flat, Blue Ridge, San Gabriel Mts. 2529 Comment
  JEPS56706  Eriogonum davidsonii Frank W. Peirson 1918-6-30 18 Los Angeles summit Mt. Wilson San Gabriel Mts., Mt. Wilson Comment
  RSA0103798  Eriogonum davidsonii R. G. Swinney 2011-6-14 15111 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UCR189835  Eriogonum davidsonii R. G. Swinney 1998-9-4 6884 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  SD121302  Eriogonum davidsonii Gordon Pratt 1984-7-24 Los Angeles San Gabriel Mountains, Mt. Harwood, just above the Mt. Baldy Ski Lodge 2591 Comment
  SBBG62013  Eriogonum elongatum var. elongatum J. A. Ewan 1929-9-21 1503 Los Angeles mouth of Millard Cyn 518 Comment
  RSA0098362  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2011-11-1 15961 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  UCR277124  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13242 Los Angeles San Gabriel Mountains, May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54 854 Comment
  RSA226167  Eriogonum fasciculatum var. foliolosum Gary D. Cromwell, David W. Wheat 1971-5-14 666 Los Angeles San Gabriel Mountians, Angeles National Forest: Mystic Canyon, 2 miles NE of Glendora 419 Comment
  RSA393461  Eriogonum fasciculatum var. foliolosum M. B. Dunkle 1933-7-11 3646 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  RSA486467  Eriogonum fasciculatum var. foliolosum Richard Noyes 1988-7-30 602 Los Angeles Claremont. foothills of the San Gabriel Mountains. Burbank Canyon, NW of Thompson Creek Dam 500 Comment
  RSA550714  Eriogonum fasciculatum var. foliolosum Tim S. Ross, Annette H. Ross 1991-7-29 5684 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA653900  Eriogonum fasciculatum var. foliolosum Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 818 Los Angeles Verdugo Mountains, south side: Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, W of De Bell Municipal Golf Course. 396 Comment
  UC1032041  Eriogonum fasciculatum var. foliolosum P. L. Johannsen 1933-12-20 209 Los Angeles 3 1/2 mi s Reseda; Calabasa Quarangle Comment
  UC205118  Eriogonum fasciculatum var. foliolosum J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena, Arroyo Seco Comment
  UC56931  Eriogonum fasciculatum var. foliolosum E. B. Babcock Nov 1902 Los Angeles near Pomona Comment
  UCR212782  Eriogonum fasciculatum var. foliolosum Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1836 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UC128613  Eriogonum fasciculatum var. polifolium H. M. Hall 1905-7-23 6720 Los Angeles Elizabeth Lake Comment
  UC205950  Eriogonum fasciculatum var. polifolium D. L. Crawford Los Angeles Mts. above Claremont Comment
  RSA0124089  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-7-20 10120 Los Angeles Aliso Canyon. 1067 Comment
  RSA393368  Eriogonum giganteum var. giganteum T. Gertrude Williamson 1924-08 s.n. Los Angeles Santa Catalina Island. Comment
  OBI43743  Eriogonum gracile A. C. Sanders 1986-7-30 6818 Los Angeles El Segundo Dunes, immed W of LA International Airport and Pershing dr, E of Vista Del Mar Blvd 30 Comment
  SBBG62094  Eriogonum gracile R. Hoffmann 1927-9-21 Los Angeles Castaic Comment
  UCR159706  Eriogonum gracile var. gracile Orlando Mistretta 1992-9-16 811 Los Angeles Transverse Ranges (San Gabriel Mtns), N of Oak Springs. Oak Springs Trail, Tujunga Ranger District 793 Comment
  JEPS97033  Eriogonum gracillimum Ralph Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  POM49331  Eriogonum grande var. grande L. W. Nuttall 1920-6-28 s.n. Los Angeles Santa Catalina Island. East of Avalon. Comment
  RSA5498  Eriogonum heermannii var. heermannii Carl B. Wolf 1932-8-11 4009 Los Angeles Big Rock Creek. Desert Slope of San Gabriel Mountains. 1/8 mile below Big Rock Creek Ranger Station 1067 Comment
  RSA0025354  Eriogonum hirtiflorum Anuja Parikh, Nathan Gale 2010-6-18 3339 Los Angeles TR, SnGb, Upper Big Tujunga Canyon, 0.9 km N of State Highway 2 (SH 2, Angeles Crest Hwy), 0.3 km W of Upper Big Tujunga Canyon Road. 1240 Comment
  UCR239043  Eriogonum inflatum Anuja Parikh, Nathan Gale 2010-6-8 3266 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, northwest of Vincent and Soledad Pass, 3.3 km northwest of State Hwy 14, under power lines 1150 Comment
  RSA589191  Eriogonum maculatum Tim S. Ross 1991-4-27 4684 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
  UCR106895  Eriogonum microthecum var. corymbosoides L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mtns., Little Rock Creek by the abandoned pumphouse and dam 1951 Comment
  RSA66039  Eriogonum mohavense F. W. Peirson 1919-5-11 407 Los Angeles Soledad Canyon, about 1 mile below Acton, sw. Mojave Desert. 808 Comment
  RSA634222  Eriogonum nudum var. pauciflorum Robert F. Thorne 1969-7-9 38490 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
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Aug 20 2013
  CAS-BOT-BC269776  Eriogonum nudum var. pauciflorum Ernest C. Twisselmann 1961-10-31 6675 Los Angeles Liebre Mountains: Pine Canyon 6.2 miles north of Pine Canyon Guard Station 975 Comment
  RSA424840  Eriogonum pusillum Robert Gustafson, Gary D. Wallace 1982-4-26 2542 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  UCR191159  Eriogonum pusillum R. G. Swinney 1999-6-28 7457 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
  CAS-BOT-BC267755  Eriogonum roseum A. D. E. Elmer 1902-6-1 3725 Los Angeles Acton Comment
  CAS-BOT-BC267620  Eriogonum saxatile Victor Duran 1933-7-27 3538 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  POM2362A  Eriogonum saxatile I. M. Johnston 1917-7-3 1463 Los Angeles San Antonio Mountains: Upper San Antonio Canyon 1982 Comment
  UCR141802  Eriogonum saxatile June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2786 Comment
  RSA420654  Eriogonum umbellatum var. minus F. R. Fosberg, Joseph A. Ewan 1931-8-12 4884 Los Angeles San Gabriel Mountains: summit of Mt. Islip 2500 Comment
  RSA602310  Eriogonum umbellatum var. munzii Steve Boyd, Lauren Raz 1997-6-17 9937 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  RSA782515  Eriogonum wrightii var. subscaposum Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 8 Los Angeles Road 7N23 turn from road 7N08 Comment
  UCR202519  Eriogonum wrightii var. subscaposum R. G. Swinney 2001-8-9 8018 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  CAS-BOT-BC297948  Eriophyllum confertiflorum Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4353 Los Angeles San Clemente Island, E side of island, near Malo Point, third cyn S of Bryce Cyn Comment
  OBI16511  Eriophyllum confertiflorum Robert J. Rodin 1953-5-17 5823 Los Angeles Near hwy 101 3 miles S of Gorman Comment
  POM183627  Eriophyllum confertiflorum Joseph A. Ewan 1929-5-18 3422 Los Angeles Las Flores Canyon Comment
  RSA0062516  Eriophyllum confertiflorum R. G. Swinney 2010-4-20 12315 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  UCD168221  Eriophyllum confertiflorum J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  JEPS17966  Eriophyllum confertiflorum var. confertiflorum George B. Rossbach 1955-6-20 532 Los Angeles Los Angeles Crest Highway (Route 2) about 2 mi n Mill Creek Summit (near Aliso Canyon Road) 1219 Comment
  RSA165695  Eriophyllum confertiflorum var. confertiflorum Brian C. Miller 1963-6-15 s.n. Los Angeles Singing Springs, Mill Creek Canyon, San Gabriel Mountains. 1220 Comment
  RSA587232  Eriophyllum confertiflorum var. confertiflorum Orlando Mistretta 1994-5-11 1178 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 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
  RSA786899  Eriophyllum confertiflorum var. confertiflorum Doris Bowers 1957-5-12 547 Los Angeles Arroyo Seco, Pasadena. 305 Comment
  RSA190995  Eriophyllum pringlei R. F. Thorne 1963-5-15 31682 Los Angeles San Gabriel Mountains region: 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  CAS-BOT-BC296964  Eriophyllum wallacei Alice Eastwood 1906-5-27 260 Los Angeles Roscoe. Country adjacent to Los Angeles Comment
  UC1871250  Eriophyllum wallacei T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4966 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  RSA316354  Eriophyllum wallacei R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54976 Los Angeles San Gabriel Mts: 1158 Comment
  RSA602106  Erodium botrys Scott D. White 1997-5-7 5067 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. 320 Comment
  CLARK-A1528-5432  Erodium botrys John C. Roos 1943-3-27 2622 Los Angeles West Los Angeles 0 Comment
  RSA0088789  Erodium brachycarpum Steven A. Junak, Mark Hoefs, Janet Takara 1998-3-22 SCa- 508 Los Angeles Santa Catalina Island: Next to isolated campsite at SE end of Little Harbor Campground. 36 Comment
  RSA616932  Erodium cicutarium Louis C. Wheeler 1968-4-26 s.n. Los Angeles Saddle immediately east of Magic Mountain Comment
  UC1922284  Erodium cicutarium Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 702 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 14.5'' N 118deg 17' 15.8'' W T2N Comment
  RSA638930  Erodium cicutarium Louis C. Wheeler 1967-5-15 9571 Los Angeles San Gabriel Mountains: Ridgetop ESE of Fremont Pass. 595 Comment
  RSA660846  Erodium cicutarium Ann Williams 1992-5-14 12 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UCSB42182  Erodium cicutarium Roos, Alfred 1958-6-3 Los Angeles Evans-Reeves Nursery; Brentwood; West Los Angeles Comment
  SBBG106910  Erodium moschatum M. L. Hoefs, R. F. Thorne 1996-4-6 2601 Los Angeles Pebbly Beach 6 Comment
  CAS-BOT-BC41439  Eruca vesicaria subsp. sativa Louis C. Wheeler 1955-4-12 7124 Los Angeles Chavez Ravine, Los Angeles. Vacant lot at Coronel and Adobe Street. Comment
  CAS-BOT-BC40702  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9485 Los Angeles 16 miles from Lancaster on the Muroc Road. Comment
  RSA608048  Erysimum capitatum var. capitatum L. C. Wheeler 1931-1-20 s.n. Los Angeles North Hills, vicinity of Claremont Comment
  RSA530228  Erysimum suffrutescens James B. McNair 1934-4-16 4528 Los Angeles El Segundo. Comment
  SD40150  Erysimum suffrutescens Edith A. Purer 1935-5-12 6598 Los Angeles El Segundo Comment
  UCR233749  Erysimum suffrutescens Jeremiah George 2012-3-11 s.n. Los Angeles South Coast, Palos Verdes Estates, just east of junction of Palos Verdes Blvd., Palos Verdes West and Palos Verdes Dr. North 73 Comment
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Aug 27 2013
  SDSU10774  Erythranthe guttata R. M. Beauchamp 1967-6-3 555 Los Angeles On side of Horse Canyon. San Clemente Island. 366 Comment
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Oct 13 2011
  CAS-BOT-BC403179  Eschscholzia californica Geo. B. Grant 1904-5-14 6206 Los Angeles Playa del Rey Comment
  UCR205101  Eschscholzia californica R. G. Swinney 2008-4-11 8663 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  CAS-BOT-BC5928  Eschscholzia minutiflora Samuel Bonsal Parish 1887-6-1 1951 Los Angeles Alpine Comment
  POM18263  Eschscholzia minutiflora P. A. Munz 1923-5-26 6802 Los Angeles Big Rock Creek. 1280 Comment
  POM18760  Eschscholzia minutiflora P. A. Munz 1923-5-25 6802 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  CATA69  Eschscholzia ramosa Mark L. Hoefs 1973-3-11 53 Los Angeles Santa Catalina Island: Renton Mine Road 213 Comment
  UCR260372  Eucalyptus camaldulensis R. G. Swinney 2010-2-27 11664 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  SD248455  Eucalyptus cornuta R. E. Riefner Jr. 2007-3-10 07 122 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, N of Palos Verdes Drive West, Malaga Creek, Via Alar at Via Corta. 41 Comment
  RSA0019740  Eucalyptus globulus Naomi S. Fraga, Jennifer Pilapil 2012-10-9 4144 Los Angeles Evan's property, City of Claremont north of Towne Avenue. 413 Comment
  RSA674885  Eucalyptus robusta LeRoy Gross 2003-2-22 740 Los Angeles South side; A short distance up mouth of Brand Canyon, north of Brand Canyon Cemetery. North of the Debris Basin. At end of road. 287 Comment
  RSA580964  Eucrypta chrysanthemifolia Catherine A. Mish 1995-3-18 25 Los Angeles Santa Monica Mountains: Fryman Canyon 500 Comment
  UCR259081  Eulobus californicus R. G. Swinney 2010-10-15 14052 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  RSA599733  Eupatorium adenophorum L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road. 701 Comment
  RSA0012042  Euphorbia albomarginata R. G. Swinney 2009-4-29 10599 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCR186062  Euphorbia albomarginata T. B. Salvato, M. A. Hasskamp 2006-4-24 1346 Los Angeles Tehachapi Mtns Foothills, c. 4 mi east of Quail Lake and 0.5 mi north of Hwy 138 976 Comment
  UCR23597  Euphorbia albomarginata John C. Roos 1942-9-26 1728 Los Angeles Westwood Village, Los Angeles 90 Comment
  UCD142373  Euphorbia crenulata T. C. Fuller 1967-10-23 16495 Los Angeles UCLA, Westwood, Botanic Garden. Comment
  RSA601100  Euphorbia dendroides D. Koutnik 1996-4-20 s.n. Los Angeles foothills above Pasadena, side canyon of Eaton Wash along New York Drive, 0.25 Mi. N of Sierra Madre Blvd. 300 Comment
  RSA674605  Euphorbia maculata Scott D. White 2000-6-24 8095 Los Angeles Puente Hills: City of Rowland Heights, Rancho Rincon de la Brea near Bill Blevins Park. 213 Comment
  UC1971450  Euphorbia melanadenia Louis C. Wheeler 1936-7-3 4211 Los Angeles SAN GABRIEL MOUNTAINS: Bailey Canyon. Comment
  SBBG108142  Euphorbia misera S. L. Crockett 1997-4-1 629 Los Angeles 0.3 mi WNW on Two Harbors Rd from jct with upper rd leading into Little Harbor cmpgrd 45 Comment
  RSA432441  Euphorbia palmeri B. C. Templeton 1932-6-19 4919 Los Angeles Big Pines Park Comment
  UCR210413  Euphorbia peplus R. G. Swinney 2008-12-4 9952 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  RSA0042679  Euphorbia peplus Laura Moore, Jean Moore 1999-4-25 032 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  UCR125160  Euphorbia polycarpa A. C. Sanders, Mark Elvin 2002-6-18 25123 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  RSA654224  Euphorbia spathulata Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 944 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 655 Comment
  UCR155368  Euphorbia spathulata A. C. Sanders 2005-5-11 30126 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  SBBG17778  Euphorbia spathulata P. H. Raven 1962-5-9 17675 Los Angeles above Mosquito Cove 335 Comment
  UCR239952  Euthamia occidentalis R. G. Swinney 2009-11-16 11643 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
  CATA2689  Extriplex californica Howard L. Ferguson 1980-4-16 020 Los Angeles San Clemente Island: West shore Dr. near Eel Pt. Grade by coast 22 Comment
  CDA2176  Festuca arundinacea T. S. Ross, Annette Ross 1991-6-3 5514 Los Angeles Elephant Hill, W Pomona. Comment
  CATA3249  Festuca myuros Amy Catalano 2017-2-15 006 Los Angeles Santa Catalina Island: Middle Ranch, roadside between driveway to house #104 and house #103 171 Comment
  RSA0110754  Festuca myuros R. G. Swinney 2011-5-19 14758 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  LA14251  Festuca perennis Don P. Mullally; 1950-7-21 Los Angeles SANTA MONICA MOUNTAINS, UCLA campus. 121 Comment
  RSA0082593  Festuca perennis R. G. Swinney 2010-6-4 13003 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  SBBG130704  Festuca perennis S. A. Junak 2000-5-6 SCa 1283 Los Angeles just N of Upper Quarry Rd, ca. 2.4 mi W of jct with rd to housing at Empire Landing 289 Comment
  CATA1360  Festuca temulenta Mark L. Hoefs, Robert F. Thorne 1995-7-26 2472 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below Eagle's Nest Lodge 134 Comment
  UCR132350  Ficus carica John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  RSA507983  Filago californica Steve Boyd, Timothy S. Ross 1988-4-28 2241 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  UCR255784  Filago californica R. G. Swinney 2010-4-20 12298 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  RSA659732  Filago californica Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 90 Los Angeles San Clemente Island. Comment
  SBBG11101  Foeniculum vulgare D. E. Breedlove 1961-9-23 1289 Los Angeles Middle Ranch Crk, 1 mi from ocean 91 Comment
  UC54944  Foeniculum vulgare H. P. Chandler 1902-9-9 2018 Los Angeles roadside near Ballona Lagoon Comment
  RSA608604  Foeniculum vulgare L. C. Wheeler 1974-5-13 s.n. Los Angeles Pasadena: Prebles, 115 E. Glenarm. Comment
  RSA729489  Forestiera pubescens R. G. Swinney 1999-6-21 7381 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  HSC12476  Frangula californica Wendell Wood 1970-6-24 46 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  CAS-BOT-BC223743  Frankenia salina L. R. Abrams; I. L. Wiggins 1931-7-7 402 Los Angeles Catalina Harbor, Santa Catalina Island Comment
  CAS-BOT-BC223754  Frankenia salina J. Ewan 1931-7-31 4769 Los Angeles Telegraph Road near Santa Fe R.R. Crossing Comment
  LA205388  Frankenia salina J. Burtt Davy; October 1896 2948 Los Angeles Antelope Valley, near Rosamond Comment
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Jul 23 2014
  SEINET3151938  Frankenia salina G. B. Grant 1905-1-1 469 Los Angeles Redondo Comment
  CAS-BOT-BC223414  Fraxinus dipetala Tim Ross 1992-7-26 6784 Los Angeles Liebre Mountains. North foot of Red Mtn on the S side of Ruby Canyon stream ca 320-360 m WNW of Ruby Spring 792 Comment
  RSA585565  Fraxinus dipetala Tim S. Ross 1992-4-21 6218 Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon and Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  UC878069  Fraxinus dipetala Louis C. Wheeler 1932-6-18 835 Los Angeles n slope San Dimas Canyon; San Gabriel Mts. 426 Comment
  SEINET4689912  Fraxinus dipetala Leila M. Shultz 1980-4-28 4030 Los Angeles Rancho Santa Ana Botanical Garden, San Gabriel Mountains Comment
  CAS-BOT-BC212387  Fremontodendron californicum W. R. Dudley; F. H. Lamb 1896-6-1 s.n. Los Angeles Kings Canyon, Antelope Valley Comment
  CAS-BOT-BC130254  Fritillaria biflora Louis C. Wheeler 1932-3-6 453 Los Angeles Near mouth San Dimas Canyon, San Gabriel Mts. 426 Comment
  SBBG17155  Fritillaria pinetorum M. Vincent 1962-5-7 238 Los Angeles Big Pine Camp area, on Santa Monica Girl Scout Camp Comment
  SBBG133174  Galium B. C. Templeton 1967-8-1 10219 Los Angeles half-mile N of Roundtop; San Gabriel Mtns 1890 Comment
  RSA702457  Galium Gary D. Wallace 1978-2-12 1581 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  JEPS52808  Galium andrewsii subsp. intermedium Lauramay T. Dempster and G. L. Stebbins 1964-1-27 3983 Los Angeles Hwy 99 4.1 mi s junction with Hwy 38 (e side of ridge, n-facing slope, se of Gorman) Comment
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Jul 16 2008
  UCR223482  Galium angustifolium R. G. Swinney 2009-5-28 10917 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR231394  Galium angustifolium Dan S. Cooper 2011-10-5 1011- 126 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Five-Points 305 Comment
  RSA584970  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-1 2759 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  UC1584717  Galium angustifolium subsp. angustifolium Tim Ross and Annette Ross 1991-6-3 5534 Los Angeles summit ridge west Pomona, Elephant Hill Comment
  UCR160090  Galium angustifolium subsp. angustifolium L. C. Wheeler 1968-7-3 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, north side of Bichota Canyon, east of heliport 1402 Comment
  UCR271243  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-6-1 14979 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  UC575026  Galium angustifolium subsp. angustifolium E. Lloyd 1933-5-5 Los Angeles Topanga Canyon Santa Monica Mts. Comment
  UC28209  Galium catalinense Blanche Trask July 1896 Los Angeles Avalon Santa Catalina Island Comment
  SD181347  Galium grande V. Soza, Monica Acosta 2001-6-20 1299 b Los Angeles San Gabriel Mountains region; Above Cold Springs Canyon, east of White Saddle, along Silver Fish Road, ca. 1.54 miles east of junction with Van Tassel Truck Trail 854 Comment
  RSA579525  Galium hallii Tim S. Ross, Steve D. Boyd 1994-6-23 8055 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. ([TRS] projected from section 14) 1463 Comment
  RSA78380  Galium hallii J. C. Roos 1951-7-30 5074 Los Angeles Big Rock Creek, San Gabriel Mts. 1677 Comment
  SD134381  Galium hallii Craig Reiser 1990-5-16 Los Angeles Ritter Ranch, Palmdale Comment
  SBBG128308  Galium nuttallii M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Ratay 2011-7-8 26 Los Angeles Deer Valley Trail 62 Comment
  SBBG105079  Galium nuttallii subsp. insulare T. Ross 1993-4-21 6860 Los Angeles vicinity of Cactus Pk (1560); slope and small ridges N of Cactus Pk summit 402 Comment
  CATA1867  Galium parisiense Denise Kraus 2000-7-27 47 Los Angeles Santa Catalina Island: Wild Boar Gully, northern edge of inner Cercocarpus exclosure (across gully and above C. traskiae ""B"") 182 Comment
  RSA424704A  Galvezia speciosa M. B. Dunkle 1939-4-4 7249 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  CATA1549  Gamochaeta ustulata Mark L. Hoefs, Steven A. Junak, Misty Gay 1997-6-6 2789 Los Angeles Santa Catalina Island: Upper Buffalo Springs reservoir 435 Comment
  POM3237  Garrya veatchii D. L. Crawford 1915-6-30 s.n. Los Angeles Mts above Claremont 1524 Comment
  RSA573734  Garrya veatchii Tim S. Ross 1992-7-17 6712 Los Angeles Condor Peak and immediate vicinity; on the SE slope of the peak just SW of the saddle 1555 Comment
  RSA776551  Garrya veatchii Orlando Mistretta, Christine Mistretta 2010-6-15 5320 Los Angeles Upper Big Tujunga canyon; Lynx Gulch. Along Lynx Gulch Road, 0.44 road miles N of junction with Upper Big Tujunga Canyon Road. 1018 Comment
  UC1122738  Garrya veatchii Louis C. Wheeler 1936-6-23 360 Los Angeles San Dimas Canyon; San Dimas Experimental Forest, Pomona Quad. 731 Comment
  UCR143078  Garrya veatchii Fordyce Grinnell Jr. 1910-1 s.n. Los Angeles San Gabriel Mountains, Switzer's Trail Comment
  RSA579301  Gaura sinuata Tim S. Ross, Carolyn Neal, Janet Takara 1994-8-4 8214 Los Angeles Santa Catalina Island: Middle Ranch, ca. 120m NNE of Thompson Dam. 184 Comment
  UCR276718  Gayophytum R. G. Swinney 2010-9-21 13864 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA776489  Gayophytum decipiens LeRoy Gross, Jane Tirrell 2011-7-20 5522 Los Angeles Spring, along Angeles Crest Highway, north of Lily Spring. 2287 Comment
  RSA579450  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd 1994-6-23 8039 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 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
  UC73311  Gayophytum heterozygum Geo. B. Grant May 1902 492 Los Angeles Mt. Wilson Comment
  CAS-BOT-BC208062  Genista monspessulana Carl B. Wolf 1941-6-25 s.n. Los Angeles Santa Catalina Island. About 1 mi. NE. of Wrigley Mausoleum at head of Avalon Valley 121 Comment
  UCD119672  Genista monspessulana Annabelle Kleist 2009-4-11 LC- 35 Los Angeles Los Angeles, Foothill Blvd. Comment
  UCR271736  Genista monspessulana R. G. Swinney 2011-3-26 14235 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
  UCR124476  Geranium californicum B. C. Templeton 1932-7-20 5018 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  LA51410  Geranium carolinianum Peter H. Raven; 1960-4-2 14850 Los Angeles Santa Monica Mountains, Old Topanga Canyon, 0.7 mi NW of Topanga Canyon 243 Comment
  CAS-BOT-BC539374  Gilia R. G. Swinney 2008-5-8 8791 Los Angeles San Gabriel Mtns: West Fork Punchbowl Canyon near north boundary of Devils Punchboal Co. Park, 0.6. mi SW of Big Rock Creek Rd 1263 Comment
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Aug 14 2017
  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
  UCD117601  Gilia angelensis Robert F. Thorne; P. Everett 1965-5-11 34574 Los Angeles N side of N beach of Little Harbor, Santa Catalina Island. 15 Comment
  RSA599510  Gilia brecciarum subsp. brecciarum Steve Boyd, Lauren Raz 1997-3-26 9335 Los Angeles Liebre Mountains Region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1098 Comment
  RSA756120  Gilia brecciarum subsp. brecciarum Orlando Mistretta, Christine Mistretta 2008-4-30 2574 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
  IRVC26466  Gilia capitata A. C. Sanders, Mark Elvin, et al. 2003-3-5 25710 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  RSA0083311  Gilia capitata R. G. Swinney 2010-3-22 12016 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA674640  Gilia capitata Scott D. White 2000-5-16 7859 Los Angeles Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA717370  Gilia capitata Scott D. White, Pam De Vries 2006-5-9 11386 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  LA52326  Gilia capitata subsp. abrotanifolia Elizabeth McClintock; 1936-4-18 sn Los Angeles Santa Monica Mountains, at mouth of Malibu Creek Comment
  UCR200034  Gilia capitata subsp. abrotanifolia Valerie Soza, Susan Caplow 2003-4-11 1627 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park vicinity, upper Brand Canyon, alongside Brand Park Motorway, north side of powerline tower 640 Comment
  RSA0077392  Gilia capitata subsp. abrotanifolia Orlando Mistretta 1992-9-16 809 Los Angeles San Gabriel Mountains: Oak Spring Trail; Tujunga Ranger District. Near nothern end of trail. Comment
  UCR271977  Gilia diegensis R. G. Swinney 2011-5-31 14890 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-BC123783  Gilia inconspicua var. dentiflora Anstruther Davidson 1926-5-1 3617 Los Angeles Lancaster. Mohave Desert. Comment
  LA206989  Gilia latiflora A. Handschiegel; 1920-5-17 sn Los Angeles Little Rock Creek Comment
  UCR124680  Gilia latiflora B. C. Templeton, I. W. Clokey 1930-4-8 1032 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  SD231379  Gilia latiflora subsp. davyi Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 90 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. Comment
  LA88523  Gilia latiflora subsp. davyi O. H. Kappler; 1946-4-13 1125 Los Angeles 4 mi S of Palmdale, Southern Antelope Valley 914 Comment
  RSA0115692  Gilia latiflora subsp. elongata A. C. Sanders 2008-4-16 34895 Los Angeles Tehachapi Mnts. Foothills/W Mojave Desert; west end of Antelope Valley, hills c. 1.25 mi NE of Quial Lake, c. 0.7 mile north of Hwy 138. 970 Comment
  UCR222759  Gilia leptantha subsp. transversa R. G. Swinney 2009-5-12 10753 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  SD139205  Gilia nevinii Jon Rebman 1996-4-26 3098 Los Angeles San Clemente Island; Knob Canyon on southeast side of island 199 Comment
  SD114220  Gilia ochroleuca subsp. bizonata Darley F. Howe 1947-5-6 1564 Los Angeles North face of San Gabriel Mountains. 1676 Comment
  RSA0017125  Gilia ochroleuca subsp. bizonata C. B. Wolf 1935-5-23 6994 Los Angeles Liebre Mts 1/2 mile East of Gorman 1159 Comment
  UC2026411  Gilia ochroleuca subsp. vivida Louis C. Wheeler 1964-6-20 8492 Los Angeles Mt. Waterman. Comment
  CAS-BOT-BC402070  Gilia ochroleuca subsp. vivida Wesley O. Griesel 1962-6-6 s.n. Los Angeles State Hwy. 2, east of Newcomb's Ranch, San Gabriel Mts. 1828 Comment
  RSA679881  Gilia sinuata LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 842 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  RSA550211  Gilia tricolor subsp. diffusa W. Wisura, E. Roeder 1992-4-21 4703 Los Angeles West Mohave: Valyermo Rd.3 mi. N of turnoff to St. Andrews. Comment
  LA32023  Glebionis coronaria Peter H. Raven; Henry J. Thompson 1959-6-4 14325 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  UC1536769  Glyptopleura setulosa G. H. True Jr. 1935-4-19 247 Los Angeles s of Lovejoy Butte 853 Comment
  CAS-BOT-BC303867  Gnaphalium Clifton F. Smith 1958-5-9 5771 Los Angeles In driveway at 1791 Rosa Villa, Pasadena Comment
  RSA230673  Gnaphalium palustre R. F. Thorne, M. Z. Thorne 1969-7-9 38511 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  RSA640638  Gnaphalium palustre L. C. Wheeler 1966-10-1 8928 Los Angeles San Gabriel Mountains: Big Tujunga Canyon at Colby Ranch Road. 960 Comment
  OBI37941  Goodmania luteola David J. Keil, V. L. Holland 1980-4-18 s.n. Los Angeles 1 mi W of jctn with Calif 14 along Clalif 138 762 Comment
  UC6612  Goodmania luteola Dr. A. Davidson May, 1895 Los Angeles Lancaster Comment
  RSA586446  Grayia spinosa Orlando Mistretta 1995-2-28 1517 Los Angeles Carr Canyon 1012 Comment
  UCR141019  Grayia spinosa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  SEINET238661  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 Canyon watersheds. 700 Comment
  UCR138490  Grindelia camporum var. camporum L. C. Wheeler 1976-8-4 s.n. Los Angeles Dominguez Hills: Near Wilmington and Victoria Street 49 Comment
  UC55184  Grindelia hirsutula H. M. Hall 1902-5-13 3290 Los Angeles near Los Angeles (Howard Summit); Howard Summit Comment
  RSA3552  Guillenia lasiophylla C. B. Wolf 1932-5-9 3496 Los Angeles Santa Catalina Island. Along the road to Renton Mine, about due west of Pebbly Beach. 305 Comment
  RSA430047  Guillenia lasiophylla Christopher Davidson 1973-4-7 1894 Los Angeles Juniper Hills toward Devil's Punchbowl, east side of San Gabriel Mtns. 1066 Comment
  RSA608876  Guillenia lasiophylla L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  RSA158213  Guillenia lasiophylla P. H. Raven 1962-5-9 17679 Los Angeles Near head of canyon above Mosquito Cove, San Clemente Island 335 Comment
  UCR182389  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  UCR277089  Gutierrezia californica R. G. Swinney 2010-10-5 13988 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  CAS-BOT-BC302087  Gutierrezia microcephala Joseph Andorfer Ewan 1934-8-3 8339 Los Angeles Table Mt., at head of Le Montaine Cr., San Gabriel Mts. 2255 Comment
  POM359224  Gutierrezia sarothrae L. C. Wheeler 1931-8-11 s.n. Los Angeles 2 miles NE of La Verne. 375 Comment
  RSA739668  Gutierrezia sarothrae John Dittes, Josephine Guardino 2006-11-25 1434 Los Angeles Western Transverse Ranges, San Gabriel Mtns, Little Tujunga Canyon, 1.6 air miles NE of Pacoima Reservoir Dam, 3.8 air mile SW of Magic Mtn Communication facility, 0.8 air mile SE of Bear Divide. 681 Comment
  UC1211080  Gutierrezia sarothrae Huron H. Smith 1912-5-3 4924 Los Angeles Azusa 243 Comment
  UC1870225  Hedera helix LeRoy Gross 2003-2-22 744 Los Angeles Transverse Ranges; Verdugo Mountains region; South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  UC32244  Helenium puberulum Brewer 1861-1-2 104 Los Angeles Presumably San Gabriel Mountains Comment
  CAS-BOT-BC223981  Helianthemum scoparium John I. Carlson 1918-4-29 s.n. Los Angeles Sierra Madre Comment
  RSA295260  Helianthemum scoparium Jon Nickoloff 1973-5-2 730502 -5 Los Angeles on ridge 600' N. of Mt. Wilson trail, Sierra Madre; S facing ridge. 304 Comment
  RSA0048578  Helianthus annuus A. Lee Haines 1970-5-26 s.n. Los Angeles Topanga Canyon Blvd. and Mullholland, Woodland Hills. 304 Comment
  SD90304  Helianthus annuus R. F. Thorne, M. Z. Thorne 1972-1-30 42171 Los Angeles San Gabriel Mountains; Johnson's Pastures and dow Gail Canyon, north of Claremont. 490 Comment
  RSA598814  Helianthus annuus subsp. lenticularis R. G. Swinney 1989-11-24 1495 Los Angeles vicinity Glendora Wilderness Park, Big Dalton Cyn Rd. 366 Comment
  RSA651098  Helianthus annuus subsp. lenticularis Brian Koch 1981-5-26 2 Los Angeles Junction of Lido Canyon and San Dimas Canyon. Comment
  CAS-BOT-BC305696  Helianthus gracilentus Moxley; Grinnell 1916-6-15 477 Los Angeles Hills near Santa Susanna [Susana] Pass Comment
  UC75964  Helianthus nuttallii subsp. parishii Geo. B. Grant 1901-1-1 548 Los Angeles Oak Knoll Comment
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Jul 6 2010
  UCSB5616  Heliotropium curassavicum DeWitt, Jack 1959-5-15 Los Angeles Mint Canyon Campground; 4.3 miles E of Solemint 609 Comment
  POM360236  Hemizonia clementina F. R. Fosberg 1931-5-18 S 4990 Los Angeles Little Harbor, Santa Catalina Island. 5 Comment
  RSA30667A  Hemizonia clementina Marcus E. Jones 1902-6-27 s.n. Los Angeles Santa Catalina Island. Comment
  POM147458  Hemizonia fasciculata Marcus E. Jones 1927-5-20 s.n. Los Angeles Isthmus, Catalina Island Comment
  RSA675968  Hemizonia fasciculata LeRoy Gross 2003-3-9 810 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  UCR143397  Hemizonia fasciculata F. R. Fosberg 1931-5-21 S- 4930 Los Angeles Channel Islands, Santa Catalina Island, Parson's Landing 20 Comment
  CDA7035  Hemizonia fasciculata T. C. Fuller 1962-6-7 8876 Los Angeles Road to Brea, Puente Hills, ca. 3 miles southwest of Pomona. 0 Comment
  UCR88687  Hemizonia minthornii Scott D. White 1995-10-19 3721 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  CHSC95506  Hesperocnide tenella LeRoy Gross; Valerie Soza 2003-5-15 913 a Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone; 3789207N, 0377280E. 366 Comment
  CATA3165  Hesperolinon micranthum Amy Catalano, Lizz Bailey, Nina Garcia, Perla Sitzes, Triana Markowitz, Vincente Osegueda 2016-7-11 149 Los Angeles Santa Catalina Island: Wild Boar Gully, ridge east of Cerocarpus traskiae Tree A 149 Comment
  RSA0119670  Hesperoyucca whipplei R. G. Swinney 2014-5-19 16567 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  UCD169113  Hesperoyucca whipplei R. G. Swinney 2009-5-13 10794 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  LA91406  Heteromeles arbutifolia Bruce Douglas Clayton; Greg Shaw 1972-3-16 6 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus 518 Comment
  RSA544554  Heteromeles arbutifolia Tim S. Ross, E. Kellogg 1992-4-11 6112 Los Angeles San Clemente Island: W of the west fork of China Canyon. 80 degrees E, 405m distant from 1448'BM. 404 Comment
  SBBG38898  Heteromeles arbutifolia K. K. Muller 1953-5-2 595 Los Angeles Swain Cyn above Camp Orizaba Comment
  SD146169  Heteromeles arbutifolia Andy C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23273 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Canyon watersheds 609 Comment
  UC860308  Heteromeles arbutifolia L. W. Nuttall 1920-5-5 117 Los Angeles Santa Catalina Island Comment
  UCR189931  Heterotheca grandiflora T. B. Salvato, Sandra Murcia 2007-10-18 3086 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  JEPS2415  Heterotheca sessiliflora subsp. fastigiata Frank W. Peirson 1918-10-16 285 Los Angeles Pacoima Canyon San Gabriel Mountains 533 Comment
  RSA0062944  Heuchera elegans F. W. Peirson 1928-6-2 7935 Los Angeles Trail up south fork of Rock Creek, north face of San Gabriel Mts. 1905 Comment
  RSA0048636  Heuchera sanguinea Jack Pepper 1953-4-10 s.n. Los Angeles Cheviot Hills. Comment
  OBI69290  Hordeum intercedens John Knapp, Denise Knapp 2003-5-11 41 Los Angeles Catalina Island, 364659.30N x 3692730.04E. 198 Comment
  RSA0110608  Hordeum intercedens Steven A. Junak 1999-4-23 SCa- 850 Los Angeles Santa Catalina Island. Lower part of Ridge Road to west end, 1.0 mi. from Two Harbors. 42 Comment
  SBBG131445  Hordeum intercedens S. A. Junak 1996-4-11 SCI 287 Los Angeles W edge of coastal flats, ca. 0.1 mi N of Triangulation Pt "Red" 12 Comment
  UCR139952  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1945-4-17 6018 Los Angeles Los Angeles Basin, near intersection of Slauson and Garfield Ave., [city of Commerce] 3 miles south of Montebello 44 Comment
  LA51650  Hordeum marinum subsp. gussoneanum Peter H. Raven; David S. Verity 1960-5-7 15349 Los Angeles SANTA MONICA MOUNTAINS, Cornell Corners, just W of Cornell Corners. 213 Comment
  RSA0060871  Hordeum murinum R. G. Swinney 2010-6-8 13196 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0070324  Hordeum murinum R. G. Swinney 2010-5-7 12605 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  RSA779998  Hordeum murinum R. G. Swinney 2009-4-7 10281 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, under 2nd span from west 184 Comment
  POM1302  Hordeum murinum subsp. glaucum B. Sanford 1909-05 s.n. Los Angeles Claremont. Comment
  CATA721  Hordeum vulgare Mark L. Hoefs 1991-5-18 1228 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  CAS-BOT-BC537284  Horkelia cuneata var. cuneata Le Roy Abrams 1901-4-1 1237 Los Angeles near Ballena Harbor Comment
  CAS-BOT-BC532294  Horkelia cuneata var. puberula John Thomas Howell 1929-3-2 4099 Los Angeles San Gabriel Wash, 2 miles S of Azusa Comment
  POM43358  Horkelia rydbergii Robert Kessler 1921-7-4 3442 Los Angeles Pine Flats. Comment
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Jul 29 2016
  RSA747172  Horkelia rydbergii Orlando Mistretta 1992-6-23 608 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  RSA85241  Horkelia rydbergii F. W. Peirson 1921-6-16 2448 Los Angeles Pine Flats. 1524 Comment
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Jul 29 2016
  SD65467  Horkelia rydbergii Reid Moran 1967-7-22 14087 Los Angeles canyon south of Chilao, San Gabriel Mountains 1550 Comment
  UC10310  Hornungia procumbens A. Davidson 1893-5-11 Los Angeles Del Sur Comment
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Jan 26 2011
  SBBG15511  Hosackia oblongifolia var. oblongifolia W. G. Webb 1935-7-30 Los Angeles Big Pines area Comment
  UCR204834  Hulsea heterochroma R. G. Swinney 2005-8-11 8462 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  CAS-BOT-BC312602  Hulsea vestita subsp. gabrielensis Timothy S. Ross; Steve Boyd 1990-5-23 2608 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon 1798 Comment
  RSA366725  Hydrilla verticillata Christopher Davidson, B. Gustafson 1980-10-10 10715 Los Angeles Garden of the Natural History Museum. Comment
  CAS-BOT-BC400797  Hypericum anagalloides R. J. Dobbs 1924-7-15 s.n. Los Angeles Windy Camp - Mt. Islip Comment
  SBBG31092  Hypochaeris glabra R. F. Thorne 1966-4-29 36305 Los Angeles Airport Rd before turnoff to Middle Ranch Cyn 457 Comment
  RSA527606  Hypochaeris glabra Steve Boyd, L. Arnseth 1990-4-8 4433 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  SBBG13809  Isocoma menziesii M. A. Piehl 1962-10-3 62509 Los Angeles Ironwood Gully Comment
  RSA670683  Isocoma menziesii var. sedoides B. C. Templeton 1955-9-4 7706 Los Angeles Near Malibu. Comment
  UC1871208  Isocoma menziesii var. sedoides Tim Ross with Amirchan Amirchanov, Yuri Gorbunov, Peter Gorovoy, Steve Junak, and Carol Galbraith 1992-9-17 6798 Los Angeles Santa Cruz Island: S side of the island; sandy beach at the mouth of Laguna Canyon. Comment
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Feb 19 2015
  UCSB9932  Isocoma menziesii var. sedoides Wedberg, H. 1958-7-19 Los Angeles Point Dume Comment
  UC212647  Isomeris arborea I. Johnston 1917-4-11 Los Angeles Dominguez Mesa Comment
  RSA600173  Isopyrum occidentale Steve Boyd, Lauren Raz 1997-5-1 9665 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  JEPS41100  Iva axillaris subsp. robustior Frank W. Peirson 1921-7-2 1322 Los Angeles near n base San Gabriel Mountains (about 5 mi due n of Pearblossom); southern edge of Mohave Desert, Pallett Creek 1097 Comment
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Jul 28 2014
  SEINET7063580  Jarava speciosa A. G. Vestal 1947-4-8 s.n. Los Angeles UTM Zone 11, 378612mE, 3818944mN. (WGS84/NAD83). 783 Comment
  SEINET10500165  Jasminum officinale David B. Dunn 1947-7-20 Dunn 2997 Los Angeles Collected at 316 n avenue 50. Comment
  SFV7067  Jaumea carnosa T. Gordon, M. H. Grayum, D. R. Perry, K. Felt 1974-11-3 767 Los Angeles Santa Monica Mountains Malibu Creek, about 0.5 miles from ocean. Comment
  POM122626  Jepsonia malvifolia Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  POM199723  Juglans californica I. W. Clokey, Bonnie C. Templeton 1929-04 4465 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
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Jan 1 2012
  POM302280  Juglans californica Lyman Benson 1957-4-17 15721 Los Angeles Kellogg Campus, California Polytechnic Institute. San Jose Hills. Pacific Slope drainage area. 305 Comment
  UCR261129  Juglans californica R. G. Swinney 2010-6-21 13294 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCSB57483  Juglans californica Griesel, Wesley 1986-4-25 Los Angeles San Gabriel Mountains; Elsmere Canyon area 548 Comment
  LA200577  Juglans californica var. californica Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  POM2129  Juglans californica var. californica D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA0011172  Juglans californica var. californica R. G. Swinney 1969-4-25 359 Los Angeles San Gabriel Mts: In and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Harrow Canyon, 200 yards S of Harrow Canyon debris basin on Easley Canyon Road. 381 Comment
  UCR282437  Juglans hindsii D. E. Bramlet, Robt. L. Allen 2011-5-23 4841 Los Angeles Whittier Narrows Recreation Area, 150 ft. east of the Rio Hondo Channel, 2,125 ft west of Rosemead Blvd. , 720 ft. east of San Gabriel Blvd. & 30 ft. west of the Bike path 63 Comment
  SBBG90458  Juncus acutus M. C. Hochberg 1985-4-7 1203 Los Angeles Little Springs Cyn 243 Comment
  RSA0107857  Juncus acutus subsp. leopoldii Steven A. Junak, Mark Hoefs, Misty Gay 1997-6-6 SCa- 437 Los Angeles Santa Catalina Island. Along N end of Upper Buffalo Springs Reservoir, just NW of Airport. 435 Comment
  UCR204758  Juncus bufonius R. G. Swinney 2005-8-9 8432 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA0116659  Juncus macrophyllus R. G. Swinney 2008-10-10 9583 Los Angeles San Gabriel Mtns.; Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA230240  Juncus macrophyllus Robert F. Thorne 1969-7-2 38220 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  UCR194169  Juncus macrophyllus R. G. Swinney 1998-7-24 6556 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR269965  Juncus macrophyllus R. G. Swinney 2010-9-9 13791 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR172295  Juncus mexicanus Anuja Parikh, Nathan Gale 2005-7-16 2141 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  POM123289  Juncus phaeocephalus George B. Grant 1904-6-10 s.n. Los Angeles Sherman. Comment
  RSA188486  Juncus rugulosus Robert F. Thorne, John Olmsted 1965-8-26 35421 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River 1585 Comment
  RSA608458  Juncus rugulosus L. C. Wheeler 1946-9-2 6338 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  RSA802565  Juncus rugulosus Orlando Mistretta, Christine Mistretta 2011-7-6 5902 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 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
  RSA368356  Juncus textilis Robin S. Collins 1973-5-28 328 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 1098 Comment
  UC213636  Juncus textilis I. Johnston 1917-5-13 27 C Los Angeles El Monte 121 Comment
  SJSU2609  Juniperus californica G. Edward Eberle 1962-11-24 58 Los Angeles Desert Springs, 5 mi N of Wrightwood, SW portion Mojave Desert Comment
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Oct 31 2014
  RSA596129  Keckiella breviflora var. breviflora Tim S. Ross, Steve D. Boyd 1995-6-28 8625 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  CAS-BOT-BC235770  Keckiella cordifolia Herman Knoche 1919-6-25 Series A, No. 907 Los Angeles Avalon, Santa Catalina Island Comment
  UC1745887  Keckiella cordifolia Annetta M. Carter 1935-9-14 995 Los Angeles Mouth of Little Santa Anita Canyon. Sierra Madre. Comment
  POM292884  Keckiella ternata subsp. septentrionalis Lyman D. Benson, Robert Benson, Joseph Lanjouw 1953-5-2 15099 Los Angeles Santa Catalina Island, north face of Swain Canyon, Whites Landing 183 Comment
  SEINET13387005 Image available Keckiella ternata subsp. ternata R. G. Swinney 2011-1 15683 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  NY790458  Keckiella ternata var. septentrionalis T. S. Ross 1992-7-5 6603 Los Angeles Red Mountain: east ridge of Red Mountain, ca. 530 m east of the summit. Warm Springs Mountain 7.5' USGS quardrangle 1118.6 Comment
  CAS-BOT-BC246107  Keckiella ternata var. ternata Tim Ross 1992-7-17 6728 Los Angeles Summit of Condor Peak, Condor Peak 7.5' USGS quadrangle, San Gabriel Mtns. 1659 Comment
  UCR107791  Kochia californica Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10152 Los Angeles Mojave Desert, Antelope Valley, Amargosa Creek drainage at W G Street, west of Hwy 14, SW of Rosamond Dry Lake. 793 Comment
  LA200970  Kochia scoparia Carl Wishner; 1989-5-20 1660 Los Angeles 325.0 Comment
  RSA87127  Koeleria macrantha F. W. Peirson 1918-6-30 1597 Los Angeles Summit of Mt. Wilson, San Gabriel Mountains. Comment
  SEINET190477 Image available Koeleria macrantha V. Duran 1933-7-9 3505 Los Angeles Horse Flats San Gabriel Mts 1676 Comment
  UC1584888  Koeleria macrantha Tim Ross and Steve Boyd 1991-7-24 5619 Los Angeles ridge nne Granite Mountain; Pacifico Mountain Quad., Granite Mountain vicin 1889 Comment
  UCR137177  Koeleria macrantha Victor Duran 1933-7-9 3505 Los Angeles San Gabriel Mtns., Horse Flats 1677 Comment
  RSA720490  Koelreuteria bipinnata R. G. Swinney 1997-9-27 5878 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam. 488 Comment
  UC1537381  Krascheninnikovia lanata Gordon H. True Jr. 1935-5-17 307 Los Angeles hills s. of Littlerock 914 Comment
  UCR225195  Kyllinga brevifolia Steve Boyd 2005-7-27 11634 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, Pasadena, southeastern side of campus of California Institute of Technology, just west of front entrance to the Athenaeum (Faculty Club) 247 Comment
  CAS-BOT-BC341494  Lagophylla ramosissima Carl Epling; Louis Wheeler 1933-6-4 1844 Los Angeles Quail Lake, head of Antelope Valley 1219 Comment
  POM352651  Lamarckia aurea E. S. Spalding 1926-8-13 15045 Los Angeles Monrovia Canyon [San Gabriel Mountains] Comment
  SEINET200268 Image available Lamarckia aurea Unknown 20 -25 Los Angeles San Gabriel Valley near Claremont Comment
  UC1114362  Lamarckia aurea C. G. Pringle 1882-3 Los Angeles Los Angeles; Pacific Slope, Los Angeles Comment
  UCD63296  Lamarckia aurea J. E. Law 1923-3-18 250 Los Angeles Altadena. Comment
  RSA662138  Lamium amplexicaule Carol Zuck 1981-2-3 11 Los Angeles Cul de sac at the end of Springfield St. Comment
  CATA252  Lasthenia californica Mark L. Hoefs, A. Douglas Propst 1973-5-4 252 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  POM361499  Lasthenia californica Helen M. Oster 1924-4-27 s.n. Los Angeles Foothills N, between Vermont and Western Ave- Los Angeles Comment
  UC62980 Image available Lasthenia californica subsp. californica H. M. Hall 1902-5-3 3100 Los Angeles San Francisquito 457 Comment
  POM50717  Lasthenia coronaria L. R. Abrams 1901-04 1388 Los Angeles Monte Vista. Comment
  UCR178186  Lasthenia coronaria LeRoy Gross, Valerie Soza 2003-5-15 907 Los Angeles Transverse Ranges; Verdugo Mountains region, Northwest side of mtns, along ridgetop N of La Tuna Canyon Road and south of McDonald Creek, east of Elben Avenue and west of small canyon at the end of Elben Place 518 Comment
  SBBG12613  Lasthenia gracilis P. H. Raven 1962-4-11 17283 Los Angeles due W of Wall 2 9 Comment
  SEINET4044579  Lathyrus vestitus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Peperdine University. 182 Comment
  RSA137019  Lathyrus vestitus subsp. laetiflorus Percy C. Everett, E. K. Balls 1959-6-2 23835 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  SBBG84134  Lavatera assurgentiflora subsp. glabra F. C. Boutin 1967-4-23 1623 Los Angeles N end of island SW of airstrip runway Comment
  CAS-BOT-BC321502  Layia glandulosa Frank W. Pierson 1921-5-19 2413 Los Angeles Little Rock Creek Comment
  RSA570188  Layia glandulosa Timothy S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5025 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  UCR100072  Layia glandulosa R. G. Swinney 1969-4-22 337 Los Angeles San Gabriel Valley, N and adjacent to Barnes Park along Rivergrade Rd., Baldwin Park. c. 200 yards east of San Gabriel River Channel. 91 Comment
  RSA92284  Layia glandulosa F. W. Peirson 1925-4-23 5803 Los Angeles River bottom, San Gabriel River 396 Comment
  SEINET3448048  Layia glandulosa W. P. Vestal, A. G. Vestal 1955-3-26 3485 Los Angeles Antelope Valley, Antelope Valley, east of Fairmont Street on 110th Street, Gilia expanse, east side of road Comment
  LA31661  Layia platyglossa Peter H. Raven; 1959-4-4 13972 Los Angeles Santa Monica Mountains, Point Dume, behind point 15 Comment
  SBBG31370  Layia platyglossa R. F. Thorne with P. C. Everett 1965-5-11 34549 Los Angeles about halfway between Little Harbor and Isthmus Cove 152 Comment
  POM4842  Layia platyglossa subsp. campestris C. F. Baker 1904-4-1 4129 Los Angeles Claremont. 365 Comment
  CAS-BOT-BC534350  Lemna gibba Miss S. P. Monks 1900-12-1 s.n. Los Angeles Los Angeles River Comment
  RSA253134  Lepechinia fragrans Gary D. Wallace 1975-3-23 1405 Los Angeles Along road NW of Black Jack Camp, Santa Catalina Island. 503 Comment
  RSA782107  Lepidium didymum A. C. Sanders, Dan S. Cooper 2010-4-30 38136 Los Angeles Madrona Marsh, Torrance 24 Comment
  RSA597815  Lepidium didymum L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mts; Placerita Canyon. 579 Comment
  CAS-BOT-BC89307  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  UC856434  Lepidium flavum Lewis S. Rose 1937-4-9 37084 Los Angeles 6 mi se Llano 1036 Comment
  UC311259  Lepidium nitidum Philip A. Munz 1926-4-4 9992 Los Angeles 5 mi n Elizabeth Lake Comment
  UC10672  Lepidium nitidum J. H. Barber 1897-4 293 Los Angeles Sierra de Santa Monica Comment
  CATA858  Lepidium oblongum Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1667 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  UCR266386  Lepidium virginicum D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4363 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  RSA726750  Lepidium virginicum H. L. Bauer 1932-1-6 16798 Los Angeles Santa Monica Mtns. Comment
  POM132  Lepidium virginicum var. pubescens D. L. Crawford 1909-4-20 s.n. Los Angeles Claremont. Comment
  CAS-BOT-BC329382  Lepidospartum latisquamum Marcus E. Jones 1924-9-10 s.n. Los Angeles Swartout Valley Comment
  POM308166  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1937-8-7 2909 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  PASA2012  Leptodactylon californicum Loletta Hiebert Los Angeles Rubio Canyon Comment
  UCR189964  Leptodactylon pungens R. G. Swinney 1998-8-27 6827 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  RSA594882  Leptosiphon androsaceus T. S. Ross 1995-4-26 8399 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
  RSA251549  Leptosiphon bicolor R. F. Thorne 1973-4-12 42960 Los Angeles San Clemente Island, S of Mosquito Cove, N of Chenity. 335 Comment
  RSA230189  Leptosiphon breviculus R. F. Thorne 1969-7-2 38226 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  SD65479  Leptosiphon breviculus Reid Moran 1967-7-22 14093 Los Angeles Canyon south of Chilao, San Gabriel Mountains. 1550 Comment
  SBBG125207  Leptosiphon ciliatus A. Parikh, N. Gale 2010-6-19 3351 Los Angeles upper Big Tujunga Cyn, 1.1 km W of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1237 Comment
  POM364634  Leptosiphon liniflorus Museum Jrs. 1945-06 2134 Los Angeles Seminole Hot Springs. Comment
  LA33440  Leptosiphon parviflorus Peter H. Raven; Henry J. Thompson 1959-5-5 14127 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  RSA73049  Leptosiphon parviflorus F. W. Peirson 1919-4-19 377 Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 579 Comment
  SJSU1846  Leptosyne bigelovii C. W. Sharsmith 1957-4-13 6375 Los Angeles 1 mi S of Gorman, northwestern Los Angeles County 1066 Comment
  RSA601145  Lessingia glandulifera var. glandulifera Louis C. Wheeler 1966-10-23 9056 Los Angeles San Gabriel Mountains. Kentucky Springs. Comment
  UCSB30425  Lessingia glandulifera var. glandulifera Wheeler, William 1975-5-18 Los Angeles 0.8 mi. south of Ave. N on Old Sierra Hwy. 762 Comment
  RSA0035138  Leucojum aestivum Lee Haines 1951-3-11 3 Los Angeles Topanga Canyon. 259 Comment
  UC625076  Leymus triticoides F. R. Fosberg 1931-5-18 S 4991 Los Angeles Little Harbor Santa Catalina Island 2 Comment
  RSA547442  Lilium humboldtii subsp. ocellatum Timothy S. Ross 1992-5-17 6373 Los Angeles San Gabriel Mountains: lower Shoemaker Canyon, draining to E fork of San Gabriel River, joining it at 2125 ft. elevation 723 Comment
  RSA468559  Linanthus androsaceus subsp. luteolus Richard C. Barkelew 1929-4-7 1584 Los Angeles Mulholland Highway Comment
  RSA469960  Linanthus aureus Fordyce Grinnell Jr. 1916-4-9 s.n. Los Angeles Near San Fernando. Comment
  UCR272480  Linanthus breviculus Mitch Provance 2016-6-27 616- 16 Los Angeles San Gabriel Mountians, Big Pines, Camp McClellan, N side of Table Mountain Rd. 2171 Comment
  RSA468481  Linanthus californicus N. C. Cooper 1949-4-19 3618 Los Angeles Newhall. 457 Comment
  SD111573  Linanthus californicus W. P. Armstrong 1982-6-12 Los Angeles Southeast firebreak ridge of Lookout Mountain. 1790 Comment
  RSA0116600  Linanthus concinnus Orlando Mistretta, Christine Mistretta 2010-6-1 5221 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  RSA233370  Linanthus dianthiflorus subsp. dianthiflorus Arthur C. Gibson, Linda Gibson 1972-3-4 2769 Los Angeles Dume Road near Point Dume. Comment
  SBBG64498  Linanthus parryae R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UCR220045  Linanthus parryae R. G. Swinney 2009-4-24 10453 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA587225  Linanthus parryae Orlando Mistretta 1995-4-25 1647 Los Angeles San Gabriel Mtns, Kitter Canyon. 1113 Comment
  UC880286  Linanthus parviflorus C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4765 Los Angeles Bouquet Canyon 650 Comment
  RSA187927  Linaria canadensis var. texana Robert F. Thorne 1966-4-29 36277 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. 213 Comment
  RSA84365  Lithophragma affine F. W. Peirson 1925-4-23 5805 Los Angeles San Gabriel River 365 Comment
  POM155812  Lithophragma affine subsp. mixtum M. B. Dunkle 1928-4-21 s.n. Los Angeles Santa Catalina Island. Renton Mine Road 274 Comment
  RSA0088868  Lithophragma bolanderi Anuja Parikh, Nathan Gale 2012-5-2 3576 Los Angeles TR, SnGb, West Fork San Gabriel River, 0.8 km E of Cogswell Dam. 650 Comment
  SBBG127048  Lithophragma bolanderi A. Parikh, N. Gale 2011-7-5 3538 Los Angeles rd to Barley Flats, 3.9 km W of Shortcut Station, 1.1 km N of St Hwy 2; San Gabriel Mtns 1665 Comment
  SBBG129324  Lithophragma bolanderi A. Parikh, N. Gale 2012-5-2 3576 Los Angeles W Fork San Gabriel River, 0.8 km E of Cogswell Dam 650 Comment
  RSA229197  Lithophragma heterophyllum R. F. Thorne, C. W. Tilforth 1971-6-29 40735 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  UCR149338  Lithophragma heterophyllum R. G. Swinney 1998-4-13 5966 Los Angeles San Gabriel Mtns., Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of north end of Mills Ave., on Cobal Canyon Rd. 543 Comment
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May 8 2012
  POM97176  Lithophragma heterophyllum P. A. Munz 1925-3-18 8922 Los Angeles Newhall Grade. 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
  RSA441651  Loeflingia squarrosa George B. Grant 5486 Los Angeles [Unspecified] Comment
  CAS-BOT-BC342185  Logfia filaginoides Geo. B. Grant 1898-4-1 s.n. Los Angeles Santa Anita Comment
  CATA1608  Logfia gallica Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2877 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  UCR276900  Logfia gallica R. G. Swinney 2011-3-29 14268 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UCR100609  Lolium perenne B. G. Pitzer 1996-5-5 2863 .1 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  RSA610972  Lolium temulentum L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: East Fork San Gabriel River, ca. 0.3 miles upstream from Alder Gulch 1226 Comment
  RSA608884  Lomatium lucidum L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Center Creek off Gold Creek off Little Tujunga Creek. 853 Comment
  UCR176945  Lomatium utriculatum Scott D. White, S. Leatherman, D. E. Bramlet, A. Oneal, Weena Sangkatavat 2001-4-24 8415 Los Angeles Southwestern Liebre Mtns, Grasshopper Canyon area near Castaic Lake 701 Comment
  RSA452147  Lomatium vaginatum Frances Runyan 1973-4-14 70 Los Angeles On dirt road just out of Gorman. 1067 Comment
  RSA583075  Lonicera hispidula var. vacillans T. S. Ross 1993-4-22 6911 Los Angeles Santa Catalina Island: SW part of the island in Bullrush canyon; near dogleg. 236 Comment
  CAS-BOT-BC234870  Lonicera subspicata var. denudata Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  RSA0105491  Lonicera subspicata var. denudata R. G. Swinney 2011-11-3 15990 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  UCR212810  Lonicera subspicata var. denudata Ellen Mackey, Bart O'Brien, Blake Whittington 2006-11-14 NFWF- 1854 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, Webb Canyon Road bridge 413 Comment
  UCR223262  Lotus crassifolius R. G. Swinney 2009-8-25 11470 Los Angeles Transverse Range; San Gabriel Mtns., west summit of Table Mountain, NE of Big Pines 2291 Comment
  UC864893  Lotus dendroideus var. dendroideus Carl B. Wolf 1932-5-9 Los Angeles 0.5 mi from Avalon (on road to Pebbly Beach); Santa Catalina Island 7 Comment
  RSA724420  Lotus grandiflorus K. Dobry 1991-4-4 d- 212 Los Angeles Santa Monica Mts at Stunt Ranch off Stunt Rd. Cold Creek Cyn Comment
  IRVC27962  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26122 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  IRVC28122  Lotus humistratus A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26280 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  RSA586283  Lotus humistratus Orlando Mistretta 1995-3-14 1536 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  SEINET10450490  Lotus oblongifolius David B. Dunn 1955-5-6 Dunn 11853 Los Angeles Collected in stoddard canyon below th eofrk in rd in san antonion canyon. About 1.25 Yrs after the fire went through striping the chaparralout. A few of the Sycamores had a narrow strip of cambium sruvive on the down canyon side. Live Oaks resprouting from many branches. Shrubs stumbp sprouting and an abundance Of herbaceous species. Comment
  RSA652443  Lotus oblongifolius var. oblongifolius Marion P. Harthill 1972-4-8 640 Los Angeles [San Gabriel Mountains] Azuza Canyon, Angeles National Forest. 457 Comment
  RSA0042224  Lotus salsuginosus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2850 Los Angeles Santa Catalina Island: Upper end of road to Toyon Beach. 381 Comment
  RSA406818  Lotus salsuginosus var. salsuginosus Howard Mullins 1931-5-9 s.n. Los Angeles Griffith Park Comment
  UC15590  Lotus scoparius var. brevialatus Harley P. Chandler 1897-5-11 Los Angeles Claremont 457 Comment
  RSA0053898  Lotus strigosus R. G. Swinney 2010-5-11 12621 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0113232  Lotus strigosus R. G. Swinney 2011-3-29 14272 Los Angeles San Gabriel Mts.; Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel. 366 Comment
  RSA679926  Lotus strigosus LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 937 Los Angeles 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. 1784 Comment
  UC56563  Lotus strigosus Miss E. D. Palmer before Feb 1902 Los Angeles Los Angeles Comment
  POM304912  Lotus strigosus H. J. Ramsey 1937-3-21 279 Los Angeles Altadena. Alt. 1300 ft. 396 Comment
  RSA545339  Lotus strigosus T. S. Ross 1992-4-14 6179 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  POM2491  Lotus unifoliolatus C. S. Jones s.n. Los Angeles Claremont. 366 Comment
  RSA599263  Lotus wrangelianus Steve Boyd, Lauren Raz 1997-3-31 9438 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  UCR200202  Lotus wrangelianus Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 902 Los Angeles Transverse Ranges; Verdugo Mountains, northwest side, northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank 488 Comment
  LA205015  Lupinus albifrons Harlan Lewis; 1937-3-25 sn Los Angeles Santa Catalina Island, Catalina Island 457 Comment
  HSC101289  Lupinus bicolor R. G. Swinney 2009-4-28 10505 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  RSA0099414  Lupinus bicolor R. G. Swinney 2011-6-7 15052 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  UCR119282  Lupinus bicolor A. C. Sanders, D. Malueg 1998-6-22 22042 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCR185589  Lupinus bicolor A. C. Sanders 2007-4-25 33585 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  SD90632  Lupinus bicolor Robert F. Thorne 1966-4-17 36099 Los Angeles San Clemente Island, dessicated vernal pool just NW of Thirst 548 Comment
  UC1401266  Lupinus bicolor David B. Dunn and Epling 1946-4-19 2138 Los Angeles small knoll on Hwy 138, 0.2 mi n of the junction of the Old Ridge Route 853 Comment
  RSA598938  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1997-3-21 9196 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR71261  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4348 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA406961  Lupinus concinnus F. R. Fosberg 1931-3-27 4413 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon. 120 Comment
  SEINET10450542  Lupinus elatus Robert F. Thorne 1969-7-2 Thorne 38322 Los Angeles San Gabriel Mts., Angeles National Forest: Loose talus of road bank, 1 mile SW of Kratka Ridge along Angeles Crest Hwy. 2073 Comment
  UCR213435  Lupinus excubitus A. C. Sanders, Dan S. Cooper 2010-3-12 37343 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR186956  Lupinus excubitus subsp. austromontanus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31968 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  UCSB41989  Lupinus excubitus var. excubitus Purviance, Susan 1979-3-28 Los Angeles At terminus of Munz Ranch Road; Elizabeth Lake 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
  SBBG98282  Lupinus formosus G. L. Moxley 1916-6-15 490 Los Angeles Santa Susana foothills Comment
  UCR209500  Lupinus formosus R. G. Swinney 2008-6-17 9037 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  RSA519413  Lupinus formosus var. formosus Anstruther Davidson 1892-05 s.n. Los Angeles Glendale. Comment
  UC1587165  Lupinus guadalupensis Tim Ross 1991-5-21 5416 Los Angeles sw side San Clemente Island (upper reaches Box Canyon); , upper reaches Box Canyon 403 Comment
  RSA413672  Lupinus hirsutissimus Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  UCR276790  Lupinus hirsutissimus R. G. Swinney 2011-3-29 14259 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA0062868  Lupinus longifolius Daisie Huang 2008-4-6 08040601 Los Angeles Deer Creek Rd, right off of PCH. Malibu. 17 Comment
  RSA617305  Lupinus longifolius R. S. Woglum 1934-3-25 1473 B Los Angeles South Coast: Pacoima; San Fernando Valley. Comment
  RSA626108  Lupinus microcarpus var. densiflorus LeRoy Gross 1999-5-1 150 Los Angeles Santa Susana Mountains, east end: Wiley Canyon, north on interstate 5, exit Calgrove Ave. turn left to the old road, City of Newhall. 549 Comment
  SBBG114156  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-16 1349 Los Angeles St Hwy 198, 3.1 mi W of jct of County Rd N2, 5.6 mi W Gorman Post Rd and Interstate 5 Comment
  UC1076227  Lupinus odoratus Herbert L. Mason 1926-4-26 3018 Los Angeles Little Rock Comment
  UCSB3333  Lupinus odoratus Ralph, F. 1960-4-1 Los Angeles N side of Calif. Hwy. 138, 9.0 miles E of its jct. with road to Valyermo and Big Pines E of Pearblossom and 0.6 miles W of jct. of the road to Victorville Comment
  RSA414248  Lupinus shockleyi Christopher Davidson 1973-4-7 1909 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  SBBG67041  Lupinus sparsiflorus R. Hoffmann 1929-4-26 Los Angeles Soledad Cyn Comment
  SEINET3225750 Image available Lupinus sparsiflorus R. G. Swinney 2009-4-2 10269 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road (Valyermo 7.5' Q.). 1223 Comment
  UCR192578  Lupinus sparsiflorus A. C. Sanders 2008-4-10 34822 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR230899  Lupinus sparsiflorus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8049 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 950 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1116 Comment
  RSA414255  Lupinus sparsiflorus subsp. sparsiflorus Mary H. Ward, Shirley W. Campbell 1970-4-16 s.n. Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena 304 Comment
  RSA0097614  Lupinus truncatus R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14332 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
  RSA600471  Lupinus truncatus Steve Boyd, Lauren Raz 1997-4-30 9607 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
  RSA799925  Lupinus truncatus Justin M. Wood 2009-3-20 371 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  UCR259996  Lupinus truncatus R. G. Swinney 2010-3-16 11964 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
  UCR68891  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4205 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  UCR272853  Luzula comosa R. G. Swinney 2011-7-29 15564 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  CATA209  Lycium californicum Mark L. Hoefs 1973-4-15 191 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  SBBG20560  Lycium californicum E. R. Blakley 1963-12-8 6401 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 7 Comment
  RSA774243  Lycium cooperi R. G. Swinney 2009-5-5 10642 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing. 951 Comment
  UC26131  Lycium cooperi Dr. A. Davidson May 1895 Los Angeles Lancaster Comment
  UC557826  Lycium fremontii Nell Murbarger May 1936 196 Los Angeles Northwest Harbor San Clemente Island Comment
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Aug 9 2007
  SD92002  Lyonothamnus floribundus subsp. aspleniifolius Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22679 Los Angeles Two on canyonside, west fork of Red Rock Canyon, San Clemente Island 349 Comment
  SBBG31125  Lyonothamnus floribundus var. floribundus R. F. Thorne 1966-4-29 36320 Los Angeles ravine below rd to White's Landing above turn-off to Echo Lake 403 Comment
  POM263557  Madia elegans subsp. elegans J. C. Roos 1937-7-18 401 Los Angeles Mirror Lake, San Antonio Canyon. Boundary between Los Angeles and San Antonio Canyon Comment
  UCR190246  Madia gracilis R. G. Swinney 2000-6-19 7810 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR256442  Malacothamnus R. G. Swinney 2010-3-10 11837 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
  SD60292  Malacothamnus davidsonii C. B. Wolf 1932-9-15 4076 Los Angeles Ca. 0.5 mile south of San Fernando and 2 blocks east of San Fernando Road on Vaughn Ave. 305 Comment
  CAS-BOT-BC206232  Malacothamnus fasciculatus Rev. J. C. Nevin 1904-1-1 s.n. Los Angeles Cahuenga Pass Comment
  UCR205888  Malacothamnus fasciculatus A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37088 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  POM9158  Malacothamnus fasciculatus C. F. Baker 3346 Los Angeles Claremont. Comment
  SBBG72792  Malacothamnus orbiculatus R. Hoffmann 1931-10-1 Los Angeles near Oak's Garage, Mint Cyn Comment
  CAS-BOT-BC345412  Malacothrix clevelandii Carl Epling; Lincoln Ellison 1929-5-18 s.n. Los Angeles Santa Monica Mountains, Topango [Topanga] Canyon Comment
  CAS-BOT-BC323293  Malacothrix foliosa Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4238 Los Angeles Lower half of China Canyon, south end of island, west side, San Clemente Island Comment
  RSA727533  Malacothrix glabrata R. G. Swinney 1998-5-16 6081 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA660078  Malacothrix glabrata Orlando Mistretta 1992-5-25 416 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  CAS-BOT-BC347923  Malacothrix saxatilis var. tenuifolia LeRoy Abrams 1902-6-20 2568 Los Angeles Near Soldiers Home Comment
  RSA225981  Malacothrix saxatilis var. tenuifolia R. F. Thorne, A. C. Gibson 1971-5-22 39754 Los Angeles San Gabriel Mts., Angeles National Forest: upper Fish Canyon near Falls 396 Comment
  RSA527693  Malacothrix saxatilis var. tenuifolia Timothy S. Ross 1991-6-3 5516 Los Angeles Elephant hill: W Pomona 268 Comment
  SBBG95393  Malacothrix saxatilis var. tenuifolia M. B. Dunkle 1928-5-13 1956 Los Angeles Pebbly Beach, by rd Comment
  UC1069910  Malacothrix saxatilis var. tenuifolia A. D. Gifford 1934-5-8 204 Los Angeles 3 2/10 mi w and 1 3/10 mi n Castro Pk; Triunfo Pass Quad. Comment
  CAS-BOT-BC347935  Malacothrix saxatilis var. tenuifolia L. E. Cox 1908-3-28 s.n. Los Angeles Catalina Island Comment
  RSA922  Malacothrix saxatilis var. tenuifolia J. T. Howell 1928-6-29 995 Los Angeles Neaar Santa Monica 76 Comment
  CAS-BOT-BC348000  Malacothrix sonchoides A. D. E. Elmer 1902-6-1 3986 Los Angeles Lancaster Comment
  RSA0084784  Malosma laurina R. G. Swinney 2010-6-23 13317 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  UCD116867  Malosma laurina M. Vincent 1962-7-10 279 Los Angeles Piuma Road, 1 1/2 miles east of Malibu Canyon Road. Comment
  SBBG98689  Malva parviflora T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5055 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  RSA652286  Malva parviflora A. E. Hersh 1950-7-6 s.n. Los Angeles Garden 4111 Wade St., Venice. 30 Comment
  POM307069  Malvella leprosa Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1937 Los Angeles Near Walnut, roadside. Comment
  RSA4834  Malvella leprosa James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Comment
  CATA77  Marah fabacea Mark L. Hoefs 1973-3-13 59 Los Angeles Santa Catalina Island: Upper Avalon Canyon, by water tank above Wrigley Memorial, north exposure 220 Comment
  CDA42221  Marah macrocarpa S. Minor 2008-5-6 PDR# 1440786 Los Angeles Los Angeles, 948 Stone Canyon Rd. 0 Comment
  RSA440963  Marah macrocarpa F. R. Fosberg 1931-4-15 4628 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  UCSB6288  Marah macrocarpa Kamb, Peter 1948-2-14 Los Angeles Little Santa Anita Canyon, San Gabriel Mts. 396 Comment
  SBBG12656  Marrubium vulgare E. R. Blakley 1962-6-10 5241 Los Angeles stone check dam halfway up cyn, halfway between Eel Pt and Seal Cove 53 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
  SEINET3347181  Matricaria discoidea R. G. Swinney 2009-4-24 10497 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert; Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam (Pacifico Mountain 7.5' Q) 963 Comment
  UC166694  Matricaria discoidea unknown 1901-3-14 Los Angeles Pasadena Comment
  CAS-BOT-BC348126  Matricaria discoidea LeRoy Abrams 1902-5-31 2487 Los Angeles Along streets, Inglewood Comment
  RSA431438  Matthiola incana Anstruther Davidson 1921-5-1 s.n. Los Angeles Acton. Comment
  CAS-BOT-BC422743  Meconella denticulata Frank W. Peirson 1925-4-23 5806 Los Angeles San Gabriel Canyon below Forks 365 Comment
  PASA1605  Meconella oregana var. denticulata Frank W. Peirson 1925-4-23 Los Angeles San Gabriel River 365 Comment
  RSA683178  Medicago lupulina LeRoy Gross 2003-5-19 1026 Los Angeles Bluff south side of Big Tujunga Wash, weed in yard in housing tract called Sunhill Estates. City of Sunland. 366 Comment
  UC1870274  Medicago lupulina LeRoy Gross 2003-5-19 1026 Los Angeles Coastal Plains & Basins; San Fernando Valley Basin region; City of Sunland. 366 Comment
  RSA762347  Medicago polymorpha R. G. Swinney 2009-3-10 10073 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR219462  Medicago polymorpha R. G. Swinney 2009-3-25 10154 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  LA210151  Medicago polymorpha D. Dunn; 1941-2-22 682 Los Angeles Santa Monica Mountains, Westwood Blvd, UCLA campus Comment
  RSA177711  Medicago sativa Robert F. Thorne 1965-5-12 34635 Los Angeles Middle Ranch in Middle Canyon, Santa Catalina Island 198 Comment
  SBBG49312  Medicago sativa P. T. Hom 1974-5-11 49 Los Angeles Pasadena, E on Avenue 52 ca. 0.2 mi from Pasadena Freeway Comment
  UCR48972  Melaleuca nesophila A. C. Sanders 1987-9-18 7373 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  CATA738  Melica imperfecta Mark L. Hoefs 1991-5-22 1263 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  RSA0089142  Melica imperfecta R. G. Swinney 2010-4-28 12397 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UCD87959  Melica imperfecta R. L. Pendleton; F. M. Reed 1909-7-2 1371 Los Angeles Santa Catalina Island. 9 Comment
  UCD88019  Melica imperfecta F. M. Reed 1925-5-18 5134 Los Angeles La Canada. 396 Comment
  UCR270040  Melica imperfecta R. G. Swinney 2011-4-9 14377 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
  UCR216914  Melilotus indicus R. G. Swinney 2009-3-16 10120 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  RSA602207  Melilotus indicus L. C. Wheeler 1945-6-3 6059 Los Angeles San Gabriel Mountains.: West Fork, San Gabriel Canyon, ca. 1 mile west of Forks. Comment
  RSA652187  Melilotus indicus A. E. Hersh 1950-7-5 s.n. Los Angeles Garden 411 Wade St., Venice. 30 Comment
  SD51885  Melilotus indicus Peter H. Raven 1962-4-9 17128 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  RSA782214  Mentha spicata R. G. Swinney 2009-8-25 11491 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA0019860  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2011-6-29 5768 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, near microwave tower 0.5 miles SE of summit. 1945 Comment
  UCR206428  Mentzelia laevicaulis R. G. Swinney 2008-6-10 8994 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  UCR259549  Mentzelia laevicaulis R. G. Swinney 2010-9-1 13673 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  UC124598  Mentzelia micrantha H. M. Hall 8286 Los Angeles Avalon, Santa Catalina Isl. Comment
  UCR256176  Mentzelia micrantha R. G. Swinney 2010-6-4 13060 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
  UCR184121  Mentzelia veatchiana A. C. Sanders, T. B. Salvato 2007-4-24 33494 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  RSA303805  Mentzelia veatchiana Jim R. Shevock 1970-5-8 194 Los Angeles Mendenal Rd. San Gabriel Mts. 915 Comment
  RSA587524  Mentzelia veatchiana Orlando Mistretta, Steve D. Boyd, D. L. Banks 1994-4-29 1098 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  SBBG13173  Mesembryanthemum nodiflorum E. R. Blakley 1962-6-10 5215 Los Angeles Wilson Cove 9 Comment
  SD2089  Micranthes californica Ruth B. Randall August 1928 280 Los Angeles Big Tujunga Canyon Comment
  RSA251538  Microseris heterocarpa R. F. Thorne 1973-4-11 42820 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  UCR127021  Microseris lindleyi Mark A. Elvin, Cathleen Weigand 2003-4-8 2462 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  UCR197776  Microseris lindleyi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 13 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  UCR220270  Microseris lindleyi R. G. Swinney 2009-4-24 10494 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA469891  Microsteris gracilis subsp. gracilis L. C. Wheeler 1932-3-13 473 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  RSA442635  Mimulus aurantiacus N. C. Cooper 1949-6-18 4216 Los Angeles Angeles Crest Highway. 610 Comment
  RSA725419  Mimulus aurantiacus K. Dobry 1991-5-20 599 Los Angeles West San Gabriel Mts. along Little Tujunga Rd up to Bear Divide. Comment
  UC1870286  Mimulus aurantiacus LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1078 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  UCR213691  Mimulus aurantiacus Justin M. Wood 2009-6-1 787 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  JEPS87272  Mimulus aurantiacus var. pubescens David M. Thompson 1992-6-14 1128 Los Angeles 2.0 mi e Pacifico Mt. turnoff (along dirt road that connects Hwy 2 with Angeles Forest Hwy (Hwy N3)) 1740 Comment
  LA85932  Mimulus aurantiacus var. pubescens O. H. Kappler; 1944-6-4 640 Los Angeles San Gabriel Mountains, Tujunga Canyon 457 Comment
  RSA439237  Mimulus aurantiacus var. pubescens Fay A. MacFadden 1931-4-9 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UC943858  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-10 1913 C Los Angeles e Whittier (near summit of grade); Turnbull Canyon Comment
  CAS-BOT-BC150856  Mimulus aurantiacus var. puniceus Reid Moran 1941-2-26 628 Los Angeles Johnson's Valley, Santa Catalina Island Comment
  LA200853  Mimulus brevipes Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  LA35212  Mimulus brevipes Mary V. Hood; 1938-5-23 38- 10 -a Los Angeles SANTA MONICA MOUNTAINS, Beverly Hills. Comment
  UC886138  Mimulus cardinalis F. R. Fosberg 1931-5-7 S 4846 Los Angeles Cottonwood Canyon, rt. fork Santa Catalina Island 220 Comment
  SFV6852  Mimulus cardinalis T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 582 Los Angeles San Gabriel Mountains Lamel Spring. 2378 Comment
  UC1537593  Mimulus fremontii var. fremontii Gordon H. True Jr. 1935-4-19 243 Los Angeles 4 mi n San Bernardino (mouth of canyon); Devil Canyon 609 Comment
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Jun 5 2015
  RSA80136  Mimulus guttatus F. W. Peirson 1903-4-2 1126 Los Angeles Ditch near Elysian Park, Los Angeles. Comment
  JEPS79790  Mimulus johnstonii Frank W. Peirson 1919-6-13 480 Los Angeles San Gabriel Mountains, Rock Creek Rock Creek; San Gabriel Mountains, Rock Creek 1295 Comment
  RSA250364  Mimulus johnstonii Robert F. Thorne, Tilforth, Dourley, Scogin 1972-8-11 42199 Los Angeles Angeles National Forest; Along Angeles Crest Hwy near Three Points. 1829 Comment
  SEINET12269818  Mimulus johnstonii H. W. Graham 1927-1 9- 9 -8 Los Angeles along trail & road from Mt. Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson near Los Angeles Comment
  UCR190808  Mimulus moschatus R. G. Swinney 1999-7-5 7521 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR273300  Mimulus pilosus R. G. Swinney 2011-10-18 15837 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
  RSA586971  Mimulus rubellus Orlando Mistretta 1995-5-23 1709 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. W side tributary drainage NE of Pacifico Mtn. 1905 Comment
  CAS-BOT-BC388660  Minuartia douglasii Philip A. Munz 1925-4-23 9452 Los Angeles San Gabriel Canyon 487 Comment
  UC205826  Minuartia douglasii I. M. Johnston 1917-6-20 1356 Los Angeles Baldy Lookout of U.S.F.S. San Antonio Mountains 2133 Comment
  RSA592233  Mirabilis californica var. californica Louis C. Wheeler 1967-4-30 9245 Los Angeles Limekiln Canyon 549 Comment
  RSA657202  Mirabilis laevis var. crassifolia Joseph M. Keefe 2001-1-19 30980 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  SBBG126929  Mirabilis multiflora var. pubescens A. Parikh, N. Gale 2011-6-1 3404 Los Angeles 0.6 km S of Avenue K, 0.2 km E of 90th St W; Antelope Valley 760 Comment
  UC1136570  Mirabilis multiflora var. pubescens A. Simontacchi 1935-5-26 45 Los Angeles 1 3/4 mi wsw Manzana; Tejon Quadrangle Comment
  UCR217706  Mollugo verticillata A. C. Sanders, Dan S. Cooper 2010-8-5 38534 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR223144  Monardella breweri subsp. lanceolata R. G. Swinney 2009-7-22 11338 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA0088944  Monardella candicans Bonnie C. Templeton 1971-5-16 11609 Los Angeles About 7 mi. n.e. of Palmdale. 815 Comment
  RSA0042751  Monardella candicans Bonnie C. Templeton 1971-5-16 11609 Los Angeles About 7 miles northeast of Palmdale. 815 Comment
  PASA1139  Monardella cinerea Frank W. Peirson 1920-9-12 Los Angeles San Antonio Peak 2819 Comment
  CAS-BOT-BC220135  Monardella exilis Robert F. Thorne; G. Wallace 1973-4-24 43450 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano 914 Comment
  JEPS51856  Monardella exilis Frank W. Peirson 1921-5-19 2416 Los Angeles Little Rock Creek San Gabriel Mts. 1036 Comment
  LA62775  Monardella exilis Victor Duran; 1933-5-23 3415 Los Angeles near Lancaster 716 Comment
  LA62782  Monardella exilis Carl Epling; 1944-7-1 sn Los Angeles W of Little Rock Creek and N of Little Rock Comment
  SEINET2054748 Image available Monardella exilis B. Pitzer 1998-5-21 3680 Los Angeles Western Mojave Desert; ca. 18 mi. N of Adelanto, on 240th Street East, ca. 2.8 mi N of intersection with El Mirage Road (=Avenue ''P''), and 3.2 mi S of Avenue ''J'' (N5). Adobe Mtn. 7.5' Quadrangle. 952 Comment
  UC1995353  Monardella exilis P. A. Munz and T. Craig 1933-5-13 12939 Los Angeles 10 mi s Muroc Comment
  RSA401602  Monardella linoides subsp. stricta Anstruther Davidson 1893-7-4 1871 Los Angeles Big Rock Creek. Comment
  CAS-BOT-BC220437  Monardella saxicola Louis C. Wheeler 1933-8-14 2081 Los Angeles San Dimas Canyon, San Gabriel Mts. 640 Comment
  RSA252918  Monoptilon bellidiforme R. F. Thorne, C. W. Tilforth 1973-4-20 43062 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  POM50480  Muhlenbergia rigens Le Roy Abrams 1901-07 1867 Los Angeles San Gabriel Mountains: West Fork of San Gabriel River 1067 Comment
  RSA586172  Muhlenbergia rigens Orlando Mistretta 1995-10-2 1943 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground. 1052 Comment
  RSA0098769  Muilla maritima R. G. Swinney 2011-7-8 15485 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CAS-BOT-BC515096  Muilla maritima Le Roy Abrams 1901-4-6 1384 Los Angeles Big Tujunga Wash Comment
  RSA0010803  Myoporum laetum Scott D. White 1995-3-15 2575 Los Angeles Malibu. Upslope from Winter Canyon, near Pepperdine Univ., N of Pacific coast Hwy., E of Malibu cyn. rd., SW of Malibu Civic Center Way. 91 Comment
  UCR107805  Myosurus minimus Steve Boyd, Kent Hughes 1998-5-5 10179 Los Angeles Liebre Mountains, Portal Ridge, north of the San Andreas Rift Zon, in the Cow Spring drainage along the Pacific Crest Trail. 1159 Comment
  SBBG107227  Myriopteris newberryi J. Rebman 1996-4-28 3101 Los Angeles Eagle Cyn on SE side of island 150 Comment
  NY1082298  Nama demissum N. H. Holmgren 1974-4-4 7622 Los Angeles Mohave Desert, Antelope Valley, just north of Lovejoy Buttes, 18 airline miles east-southeast of downtown Lancaster 823 Comment
  RSA596848  Narcissus papyraceus Steve Boyd, Timothy S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9127 Los Angeles Liebre Mountains region, along Old Ridge Route north of Templin Highway and west of the confluence of Castaic Creek and Fish Creek. 957 Comment
  RSA702538  Nassella cernua Scott D. White 2004-5-5 10285 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA0107267  Nassella cernua Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 SCa- 548 Los Angeles Santa Catalina Island. Just N of road to Toyon Bay, 1.1 road miles from intersection with Airport Road. 317 Comment
  RSA187846  Nassella lepida R. F. Thorne 1966-4-28 36203 Los Angeles Santa Catalina Island, road to Renton Mine, Pebbly Beach Canyon 244 Comment
  SBBG128214  Nassella lepida M. L. Hoefs, S. A. Junak, J. T. Columbus 2001-5-25 3187 Los Angeles ridge above KBRT radio station, W of airport rd jct 432 Comment
  LA9421  Nassella pulchra A. M. Johnson; 1932-3-12 3848 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  RSA603554  Nassella pulchra Sara L. Crockett, Mark Hoefs, Steven A. Junak, Janet Takara 1997-3-28 620 Los Angeles N side of Cherry Harbor, overlooking harbor, ca. 60 m upslope. 75 Comment
  SBBG108129  Nassella pulchra S. L. Crockett, S. Schueller 1997-3-8 562 Los Angeles Cottonwood Beach, ca. 25 m W of rd 79 Comment
  SBBG128445  Nassella pulchra M. L. Hoefs, R. Given 1992-5-16 1791 Los Angeles Wild Boar Gully 152 Comment
  RSA631373  Nasturtium officinale L. C. Wheeler 1967-5-31 9808 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  JEPS123341  Navarretia David Gowen 2010-5-12 1111 Los Angeles Northwest of Lancaster at Avenue D adn 40th Street Comment
  SBBG78924  Navarretia hamata F. R. Fosberg 1932-5-7 8165 Los Angeles summit of Coach Rd [Stagecoach Rd] 250 Comment
  RSA589322  Navarretia hamata subsp. hamata Gery Allan 1995-5-21 8616 Los Angeles San Clemente Island. Slope between major terraces, between the main westerly stem of Horse Beach Canyon on the W and the main westerly stem of Chenetti Canyon on the E, 4790 ft WSW of 1135-tri.pt.nearChenity. 316 Comment
  RSA190960  Navarretia hamata subsp. leptantha R. F. Thorne 1966-4-28 36257 -a Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
  RSA605181  Navarretia hamata subsp. leptantha L. C. Wheeler 1962-5-19 8069 Los Angeles Catalina Island: Empire Landing Station. Comment
  RSA75134  Nemacladus ramosissimus F. W. Peirson 1925-4-23 5784 Los Angeles Forks of San Gabriel River. 534 Comment
  RSA775512  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 2010-5-20 5173 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  UCR192043  Nemacladus sigmoideus A. C. Sanders 2008-4-23 35068 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon, gravelly draw on slope in side canyon to the east 1108 Comment
  UCR223786  Nemacladus sigmoideus R. G. Swinney 2009-5-28 10955 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SBBG117922  Nemophila menziesii var. integrifolia G. B. Grant -Mar-1903 833 Los Angeles Pasadena Comment
  SD113484  Nemophila menziesii var. integrifolia Darley F. Howe 34 Los Angeles Claremont Comment
  SFV21021  Nemophila menziesii var. menziesii L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 697 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. South side of slope at saddle of Verdugo Motorway and Brand Park Motorway on the crest of mountains. 823 Comment
  RSA0070948  Nemophila menziesii var. menziesii Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8297 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest: side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  UCR139907  Nerium oleander Scott D. White 1997-5-14 5137 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  RSA0103429  Nicotiana attenuata R. G. Swinney 2011-7-7 15417 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA426652  Nicotiana attenuata F. R. Fosberg, Joseph A. Ewan 1931-8-11 S 5505 Los Angeles Crystal Lake, N. fork San Gabriel Canyon, San Gabriel Mts. 1600 Comment
  RSA597197  Nicotiana attenuata Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3726 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  CLARK-A1528-5113  Nicotiana glauca John C. Roos 1942-9-20 1746 Los Angeles West Los Angeles Comment
  RSA660475  Nicotiana glauca Ian Thompson 1997-3-22 38 Los Angeles Cal Poly Pomona Ecological Reserve, open land below Culvert canyon. Comment
  RSA69944  Nitrophila occidentalis F. W. Peirson 1924-10-19 5229 Los Angeles Clearwater. Comment
  SBBG66365  Nuttallanthus texanus M. N. Ackley -Feb-1928 1030 Los Angeles near Lankershim 191 Comment
  JEPS11302  Nuttallanthus texanus Frank W. Peirson 1919-1 187 a Los Angeles San Gabriel Mountains, Rubio Canyon Rubio Canyon; San Gabriel Mountains, Rubio Canyon Comment
  RSA458915  Oenanthe sarmentosa Anonymous s.n. Los Angeles Cienega Comment
  RSA72198  Oenothera californica subsp. californica F. W. Peirson 1921-5-19 2408 Los Angeles Little Rock Creek, San Gabriel Mts. 1037 Comment
  IRVC28614  Oenothera elata A. C. Sanders, Mark Elvin 2002-6-20 25239 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
  UCR215154  Oenothera elata Kimberly Doughty, Darran Doughty 2008-5-24 37 Los Angeles Baldwin Hills, Los Angeles, Kenneth Hahn Park 88 Comment
  UC1007152  Oenothera elata subsp. hirsutissima P. A. Munz 1938-6-15 15241 Los Angeles Claremont Comment
  CAS-BOT-BC427445  Oligomeris linifolia LeRoy Abrams 1903-3-14 3135 Los Angeles San Pedro hills, near Rocky Pt. Comment
  SEINET10732307  Opuntia basilaris var. brachyclada Joseph A. Ewan 1936-8-2 Ewan 9917 A Los Angeles Mescal Creek 1615 Comment
  RSA661004  Opuntia ficus-indica LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 396 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  SBBG98471  Opuntia ficus-indica T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5063 Los Angeles lower Wilson Cyn; SW of and above pier operations 15 Comment
  POM284096B  Opuntia littoralis Lyman Benson 1955-9-3 15590 Los Angeles Wash at Gladstone Ave Bridge west of San Dimas. 244 Comment
  UCR130509  Orcuttia californica R. E. Riefner Jr. 2003-7-26 03- 328 Los Angeles Western San Gabriel Mtns., Near Solemint, in Plum Canyon, near intersection with Arline Drive and Sierra Hwy. 587 Comment
  RSA458968  Oreonana vestita George R. Johnstone 1928-6-10 15493 Los Angeles above Manker Flats on the N slope near Sierra Club Cabin Comment
  RSA597037  Oreonana vestita T. S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3837 Los Angeles Ridgetop to the NNW of Crystal Lake (ridge descending SSW from Mt. Islip) 2232 Comment
  RSA0070989  Orobanche californica subsp. feudgei Robert F. Thorne, Mae Z. Thorne 1969-7-10 38434 Los Angeles San Gabriel Mts., Angeles National Forest: C. 1.5 miles W of Wrightwood. 1950 Comment
  RSA353689  Orobanche californica subsp. feudgei R. N. Philbrick 1965-5-20 B 65 -1180 Los Angeles South fork of Little Rock Creek. 1052 Comment
  RSA646961  Orobanche californica subsp. feudgei Orlando Mistretta 1992-9-9 801 Los Angeles San Gabriel Mountains: North side of Mt. Gleason Road. Little Gleason Management Unit; Tujunga Ranger District. Comment
  RSA0066530  Orobanche fasciculata Robert L. Pendleton 1909-7-2 1353 Los Angeles Santa Catalina Island. Road east of Avalon. 6 Comment
  CAS-BOT-BC243680  Orobanche parishii I. M. Johnston 1917-7-1 1431 Los Angeles Evey Canyon, San Antonio Mountains 838 Comment
  RSA0020699  Orobanche valida subsp. valida Orlando Mistretta 1995-6-30 1867 Los Angeles San Gabriel Mountains: Big Rock Creek; along trail (above). Orobanche valida survey site C. 1662 Comment
  RSA401970B  Orthocarpus densiflorus T. S. Clare 1929-3-17 13720 Los Angeles Topanga Canyon. Comment
  RSA747446  Osmorhiza berteroi R. G. Swinney 2001-9-15 8141 Los Angeles Lily Spring, N slope of Mt. Hawkins , 7.5 air miles W SW of Wrightwood, 2561 Comment
  RSA497252  Osmorhiza berteroi L. C. Wheeler 1966-9-21 8919 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2439 Comment
  UCR150885  Osmorhiza brachypoda Valerie Soza, LeRoy Gross 1999-7-15 628 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt Wilson Trail above Little Santa Anita Canyon 1067 Comment
  RSA592380  Oxalis albicans subsp. californica Mark Hoefs, Doug Propst 1974-4-27 s.n. Los Angeles Santa Catalina Island. Last ridge before Ben Weston Beach. 9 Comment
  LA50662  Oxalis californica Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG106252  Oxalis corniculata S. A. Junak 1985-5-14 SCl 56 Los Angeles Wilson Cove, along rd to pier 30 Comment
  UCR202931  Oxytheca parishii R. G. Swinney 2001-8-22 8070 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA230205  Oxytheca parishii var. parishii Robert F. Thorne 1969-7-2 38329 Los Angeles San Gabriel Mountains, Angeles National Forest: Jarvis Memorial Vista near Islip Saddle on Angeles Crest Hwy. 2058 Comment
  RSA729748  Oxytheca parishii var. parishii R. G. Swinney 1998-7-2 6267 Los Angeles San Gabriel Mtns.: north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1963 Comment
  RSA595618  Oxytheca trilobata Louis C. Wheeler 1970-8-30 s.n. Los Angeles San Gabriel Mountains. Ridge east of Chimney Canyon. 1677 Comment
  UC205686  Packera ionophylla I. M. Johnston 1917-8-24 1658 Los Angeles Head of Prairie Fork San Antonio Mountains Comment
Read comments
Aug 26 2014
  LA200723  Paeonia californica Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles Santa Monica Mountains, Cahuenga Hills, Hollywood Reservoir, W of Hollywood Lake Comment
  UC1126126  Paeonia californica P. L. Johannsen 1934-2-17 287 Los Angeles Pico Canyon Santa Susana Quadrangle Comment
  UCR258833  Paeonia californica R. G. Swinney 2010-3-22 12020 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  CAS-BOT-BC422786  Papaver californicum Le Roy Abrams 1901-4-11 1470 Los Angeles Santa Monica Mts., Santa Monica Canon [Canyon] Comment
  CATA2036  Parietaria hespera var. californica Steven A. Junak, Keri Kirkland 1998-5-2 652 Los Angeles Santa Catalina Island: Near top of coastal bluffs, ca. 1.0 air miles W of East Peak, at end of ridge SW of Peak 1245 228 Comment
  UCR177758  Parietaria hespera var. hespera LeRoy Gross, B. Hogshead, Valerie Soza 2003-5-29 956 Los Angeles Transverse Ranges; Verdugo Mountains, West end of the mtns at junction (saddle) of Verdugo motorway and Wildwood Fire Road. Small draw NE of saddle, and canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) 564 Comment
  CATA1388  Paspalum dilatatum Mark L. Hoefs, Steven A. Junak, Allan Fone 1995-11-8 2521 Los Angeles Santa Catalina Island: Haypress Reservoir 414 Comment
  UCR99497  Paspalum distichum Steve Boyd, Lauren Raz 1997-5-28 9878 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Cyn, south of Liebre Mtn. 939 Comment
  UCR154026  Pectocarya anisocarpa A. C. Sanders 2005-5-11 30172 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
  LA40175  Pectocarya linearis subsp. ferocula A. M. Johnson; 1932-3-12 3849 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  SBBG79041  Pectocarya linearis subsp. ferocula F. R. Fosberg 1932-5-7 8150 Los Angeles Grand Cyn, above falls 150 Comment
  UCR130052  Pectocarya penicillata George K. Helmkamp, E. A. Helmkamp 1998-5-21 4048 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  LA51895  Pedicularis densiflora C. L. Hogue; 1954-3-6 sn Los Angeles Comment
  RSA0021480  Pedicularis semibarbata Duncan S. Bell, Caitlin Elam 2013-7-11 5352 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  UCR216754  Pellaea andromedifolia R. G. Swinney 2009-2-20 10006 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA686937  Pellaea mucronata subsp. californica T. R. Pray 1955-10-8 1036 Los Angeles Little Rock Canyon; Santiago Branch, on N side of San Bernardino Mts. Comment
  UC1063630  Pellaea mucronata var. mucronata F. H. Raymond 1930-1-29 48 Los Angeles head Corral Canyon; Calabasas Quadrangle 670 Comment
  RSA226977  Penstemon caesius Robert F. Thorne 1971-8-25 41251 Los Angeles San Gabriel Mountains, Angeles National Forest: Summit of Throop Peak 2784 Comment
  RSA285576  Penstemon caesius D. C. Michener 1981-8-30 4027 Los Angeles San Gabriel Mountains, north-facing ridge of Throop Peak. Comment
  RSA774266  Penstemon centranthifolius R. G. Swinney 2009-6-8 11087 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA285613  Penstemon centranthifolius D. C. Michener 1980-6-30 3690 Los Angeles San Gabriel Mountains. Circa 0.5 mile north of Aldeer Saddle on the road to Little Rock Creek. Comment
  RSA0096804  Penstemon grinnellii R. G. Swinney 2011-10-10 15753 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 1537 Comment
  RSA285694  Penstemon grinnellii subsp. grinnellii D. C. Michener 1980-6-29 3688 Los Angeles San Gabriel Mountains. Big Rock Creek road ca 0.5 mile northwest of Vincent Gap. Comment
  RSA746639  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2008-6-4 8929 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  NY601657  Penstemon heterophyllus var. australis P. A. Munz 1923-6-9 6923 Los Angeles Bouquet Canyon, Liebre Mountains 670.6 Comment
  RSA700487  Penstemon labrosus LeRoy Gross, Paul Morton 2004-6-9 1357 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1732 Comment
  PASA1018  Penstemon palmeri Stason 1931-5-9 Los Angeles Near Willow Springs Comment
  SEINET10376032 Image available Penstemon rostriflorus Wesley O. Griesel 1961-1 Los Angeles State Hwy. 2 near White Thorn Picnic Area, San Gabriel Mountains 2286 Comment
  RSA402120  Penstemon rostriflorus L. E. Hoffman 1932-8-14 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Islip 1982 Comment
  RSA401798  Penstemon spectabilis Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  SFV17399  Penstemon spectabilis M. S. Valenzuela 1998-5-20 64 Los Angeles Santa Monica Mountains Along Mulholland Drive at mile marker 24.57. West of Cold Canyon. 305 Comment
  RSA0008519  Pentachaeta lyonii P. H. Raven, Robert F. Thorne 1964-5-7 19017 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA0070816  Pentagramma triangularis R. F. Thorne 1971-4-23 41466 Los Angeles San Gabriel Mts., Angeles National Forest: along trail from Chantry Flats into Santa Anita Canyon. 609 Comment
  LA94183  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1673 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi E of junction with Hwy 23 on Encinal Canyon Rd. 365 Comment
  UCSB62235  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-10-1 Los Angeles San Gabriel Mtns., ravine just above Angeles Forest Hwy. ca. 1/2 mi. of hwy. 2 1066 Comment
  RSA0070744  Pentagramma viscosa T. R. Pray 1965-9-14 3232 Los Angeles Santa Catalina Island, Catalina Head. Comment
  CAS-BOT-BC211295  Perideridia gairdneri subsp. gairdneri Dr. H. E. Hasse 1890-8-1 s.n. Los Angeles Near Ballona Comment
  UC1586221  Perideridia parishii subsp. latifolia Tim Ross 1991-8-16 5842 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad. 1719 Comment
  SD227880  Persicaria hydropiperoides Scott D. White 1997-5-14 5125 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mts. SW of I-210 Freeway, E of Hansen Dam and N of Wentworth St. USGS 7.5' Sunland quad. 320 Comment
  SD237571  Persicaria hydropiperoides A. C. Sanders 2009-11-6 37218 Los Angeles South Coast: Madrona Marsh, Torrance (Torrance 7.5'Q) 24 Comment
  JEPS2116  Phacelia austromontana Frank W. Peirson 1928-6-2 7940 Los Angeles South Fork Rock Creek San Gabriel Range 1828 Comment
  POM188388  Phacelia bicolor P. A. Munz, Thos. Craig 1933-5-13 12937 Los Angeles 10 miles south of Muroc. Comment
  RSA660397  Phacelia brachyloba Orlando Mistretta 1992-6-17 586 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  CAS-BOT-BC133976  Phacelia cicutaria var. hispida John H. Thomas 1957-4-27 6706 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume. 15 miles due west of Santa Monica. 152 Comment
  LA38559  Phacelia cicutaria var. hispida Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA40168  Phacelia cicutaria var. hispida Pickman; 1961-5-11 11 Los Angeles Santa Monica Mountains, Piuma Rd, 4 mi E of Las Virgenes Rd 457 Comment
  RSA0062564  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12310 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA607003  Phacelia cicutaria var. hispida Leota Brice 1930-6-2 s.n. Los Angeles San Gabriel Canyon. Comment
  RSA647800  Phacelia cicutaria var. hispida LeRoy Gross, Laura Moore 2000-6-5 211 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  SFV20833  Phacelia cryptantha L. Gross 2005-4-28 2153 Los Angeles San Gabriel Mountains Ridgeline to Mount Emma and canyon south of this ridge. West from Mount Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest). East of Mount Emma Road near above coordinates then dropped off ridge into canyon bottom back to origin. From a slight decline bench south of the ridgeline. 1235 Comment
  RSA632447  Phacelia cryptantha Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  RSA0069643  Phacelia distans R. G. Swinney 2010-5-19 12826 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
  RSA617482  Phacelia distans Scott D. White 1998-6-23 6775 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 548 Comment
  UC66744  Phacelia distans N. K. Berg 1904-3-8 Los Angeles Redondo Comment
  UCR192952  Phacelia distans Dan S. Cooper 2008-3-25 s.n. Los Angeles Los Angeles Basin, 300 m north of end of Catalina Ave., Whittier 111 Comment
  UCR221911  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA0034412  Phacelia distans C. F. Baker 1904-4-20 4724 Los Angeles Claremont. Comment
  RSA639565  Phacelia distans Louis C. Wheeler 1967-5-23 9672 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  UCR259903  Phacelia douglasii R. G. Swinney 2010-6-1 13083 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  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
  SD113330  Phacelia douglasii Darley F. Howe 1948-5-2 1780 Los Angeles Desert side of Angeles Crest Highway. 1584 Comment
  UCR147797  Phacelia egena Valerie Soza, LeRoy Gross 2000-6-13 1000 Los Angeles San Gabriel Mountains, SE-facing slope of Horse Canyon, above Horse Canyon Road (FSR 3M51), c. 1.75 mi south of Angeles Crest Hwy, within Horse Canyon Shooting Area 1768 Comment
  RSA151211  Phacelia floribunda Peter H. Raven 1962-4-10 17243 Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  UC557756  Phacelia floribunda Nell Murbarger May, 1936 198 Los Angeles extreme n end of island near beach San Clemente Island Comment
  UCR86548  Phacelia grandiflora T. S. Ross 1992-5-17 6331 Los Angeles San Gabriel Mtns., Center W side of the San Gabriel Reservoir; short easterly spur canyon along Hwy 39 463 Comment
  NY57338  Phacelia heterosperma S. B. Parish 06 1887 1980 Los Angeles Rock Creek Comment
  SDSU21057  Phacelia imbricata subsp. patula Ian Cain, Ryan Gilmore 2010-6-3 1490 Los Angeles Angeles National Forest, San Gabrial Mountains. Roughly 2.49km east of Mount Gleason summit 1730 Comment
  UCR205608  Phacelia lemmonii R. G. Swinney 2008-5-12 8847 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
  SDSU6630  Phacelia longipes D. F. Howe 1953-5-31 2295 Los Angeles Arroyo Seco, Angeles Crest Highway, San Gabriel Mts. 671 Comment
  UC881190  Phacelia lyonii Ezra C. Knopf 163 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC482461  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2--0.4 mi N of Gavina Ave., near E end of Wallabi Ave. 433 Comment
  RSA674273  Phacelia minor LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 707 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 622 Comment
  UCR258910  Phacelia minor R. G. Swinney 2010-4-23 12353 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCD120565  Phacelia minor Arthur Alcantara 1993-4-1 s.n. Los Angeles Stetson Ranch, Santa Susana Mtns. N. on Balboa past I-5 fwy., rt. On Foothill Blvd., lt. on Glenoaks Blvd. and then a quick lt. onto dirt road, trail to top of hillside, on rt. Side of trail. 390 Comment
  UCSB42096  Phacelia minor Palys, Joe 1978-6-4 Los Angeles North side of Angeles Crest Highway, next to road; 17.2 mi. east of Mt. Gleason turnoff 1371 Comment
  UCR149526  Phacelia ramosissima R. G. Swinney 1997-6-25 5634 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  UCR179681  Phacelia ramosissima R. G. Swinney, Dave Larson 1996-8-7 5241 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  SEINET12280344  Phacelia ramosissima Unknown 1933-1 8520 Los Angeles desert valley near Los Angeles Comment
  RSA669279  Phacelia ramosissima var. latifolia LeRoy Gross, Naomi S. Fraga, Steve Williams 2002-7-17 550 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  RSA697062  Phacelia ramosissima var. latifolia LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1061 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  RSA428241  Phacelia viscida Louis C. Wheeler 1932-3-20 512 Los Angeles Head of Mandeville Canyon, Santa Monica Mts 488 Comment
  CATA111  Phalaris aquatica Peter Henrikson 1987-4-23 82 Los Angeles Santa Catalina Island: Middle Ranch 213 Comment
  RSA640649  Phalaris lemmonii Steven A. Junak 1997-5-20 SCI- 880 Los Angeles San Clemente Island. SW side of San Clemente Island Ridge Road, 0.73 mile SSE of Thirst Peak, in extreme upper reaches of Cave Canyon 540 Comment
  RSA72012  Phlox diffusa F. W. Peirson 1922-7-6 3179 Los Angeles Blue Ridge, near Swartout Valley. 2287 Comment
  RSA0098822  Pholistoma auritum var. auritum R. G. Swinney 2011-4-28 14541 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  SFV12409  Pholistoma membranaceum D. L. Koutnik, V. Dawes 1978-4-6 289 Los Angeles Mojave Desert CA Highway 18, just east of Valyermo turnoff. 945 Comment
  UC1971603  Pholistoma membranaceum Louis C. Wheeler 1968-4-17 s.n. Los Angeles SAN GABRIEL MTNS.: Big Rock Creek, 3/4 mile north of Big Rock Springs. Comment
  UCR95768  Pholistoma membranaceum L. C. Wheeler 1967-5-12 9490 Los Angeles San Gabriel Mtns., Ravine south of summit 4174, east of Vincent 1250 Comment
  RSA536047  Pholistoma racemosum Tim S. Ross 1991-5-21 5395 Los Angeles San Clemente Island: Upper easterly branch of Box Canyon, affected by recent burn 473 Comment
  SBBG78975  Pholistoma racemosum F. R. Fosberg 1931-3-23 4333 Los Angeles Hamilton Cyn 75 Comment
  HSC15908  Phoradendron bolleanum C. E. Fellows 1965-10-28 183 Los Angeles 1 mi. SE of Longview Rd. (L.A. Co. N6) on Devils Punchbowl Park Rd., N foothills of San Gabriel Mtns. Comment
  RSA133174  Phoradendron macrophyllum Philip A. Munz 1960-1 s.n. Los Angeles 4141 Via Padova, Padua Hills, three miles north of Claremont. 518 Comment
  UCR258617  Phoradendron tomentosum R. G. Swinney 2010-9-13 13808 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  RSA773784  Phoradendron villosum R. G. Swinney 2009-7-22 11304 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  SD69723  Phyllospadix torreyi Robert F. Thorne 1966-5-31 36442 Los Angeles Santa Catalina Island; beach, on N side of Little Harbor in shallow water Comment
  UC884815  Physalis acutifolia Louis C. Wheeler 1932-7-19 964 Los Angeles 2 mi n Claremont 411 Comment
  RSA0020253  Physalis acutifolia Louis C. Wheeler 1932-7-19 964 Los Angeles 2 miles N Claremont. 412 Comment
  SEINET10696945  Physalis ixocarpa Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2624 Los Angeles Temple City, Valumart Food Warehouse, 6340 Rosemead. Comment
  UCR131611  Physalis lancifolia L. C. Wheeler 1932-8-29 1309 Los Angeles San Gabriel Valley, 2 miles NE of La Verne 373 Comment
  RSA611055  Pinus coulteri L. C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek at end of road and beginning of Burkhart Trail. 1585 Comment
  CAS-BOT-BC73160  Pinus jeffreyi Geo. B. Grant 1897-12-29 s.n. Los Angeles Summit of Mt. Wilson. Comment
  RSA585772  Pinus lambertiana Orlando Mistretta 1995-7-11 1884 Los Angeles Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  UCR149006  Pinus monophylla June Latting 1973-1-7 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek, Pseudotsuga study site, Fenner Canyon 1707 Comment
  POM184701  Pinus ponderosa Joseph A. Ewan 1932-5-29 7218 Los Angeles Open forest on summit of Mt. Gleason 1890 Comment
  SEINET10530875  Pinus torreyana Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4820 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
  RSA70073  Piperia cooperi Frank W. Peirson 1919-5-18 449 Los Angeles Monrovia Canyon, San Gabriel Mountains 381 Comment
  CDA29521  Piptatherum miliaceum Michael O Brien 2009-7-12 PDR# 1535008 Los Angeles Nearest the town of Calabasas in Tapia Park, a unit of Malibu Creek State Park, near the entrance to the Salvation Army Camp. Comment
  UCR119236  Piptatherum miliaceum T. S. Ross, Peter Fritsch 1990-6-20 3595 Los Angeles San Gabriel Mtns., Mouth of Burro Canyon near the confluence of the E and W forks of the San Gabriel River 466 Comment
  UCR193715  Piptatherum miliaceum R. G. Swinney, Dave Larson 1999-5-29 7232 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR95313  Plagiobothrys arizonicus T. S. Ross, V. W. Steinmann 1995-5-8 8573 Los Angeles San Gabriel Mtns., Slopes between leona Valley and Lost Valley. 1183 Comment
  RSA655994  Plagiobothrys canescens James Henrickson 1985-3-30 19780 Los Angeles Ca. 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  RSA710274  Plagiobothrys canescens A. C. Sanders, Mark Elvin 2003-4-14 25948 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
  POM8685  Plagiobothrys canescens P. A. Munz 1920-3-2 3267 Los Angeles Hills S of Pomona 305 Comment
  SBBG131651  Plagiobothrys canescens var. catalinensis S. A. Junak 1999-5-8 SCa 913 Los Angeles Fern Cyn, Cottonwood Cyn watershed, where fenceline crosses cyn 134 Comment
  CATA1725  Plagiobothrys collinus Mark L. Hoefs, Steven A. Junak 2000-4-14 3072 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor 469 Comment
  UCR94672  Plagiobothrys leptocladus A. C. Sanders, E. J. Lott 1993-5-6 13977 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  POM243751  Plantago coronopus F. R. Fosberg 1931-4-16 4657 Los Angeles Bulrush Ridge, Santa Catalina Island. 200 Comment
  POM246418  Plantago erecta F. R. Fosberg 1931-3-26 S- 4383 Los Angeles W Hamilton Canyon, Santa Catalina Island. 80 Comment
  RSA187909  Plantago erecta Robert F. Thorne 1966-4-7 35937 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  UCR143208  Plantago erecta F. R. Fosberg 1931-3-25 S- 4360 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon above Hamilton Beach 140 Comment
  SD39910  Plantago erecta EA Purer 1931-3-12 1515 Los Angeles Near El Segundo, Grassy flat. Comment
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Nov 21 2019
  RSA780003  Plantago indica R. G. Swinney 2009-4-7 10293 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UC28014  Plantago major J. H. Barber 1897-4 306 Los Angeles Santa Monica Canyon Comment
  UCR272513  Plantago major R. G. Swinney 2011-10-27 15931 Los Angeles San Gabriel Mountains, 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway 634 Comment
  LA212300  Plantago major E. E. Gripp; 1951-7-28 s.n. Los Angeles Winetka near River. Comment
  POM312788  Plantago major D. Taylor 1952-10-26 353 Los Angeles San Antonio Canyon. 915 Comment
  SD69564  Plantago major Robert F. Thorne 1966-6-1 36485 Los Angeles Santa Catalina Island; weed in former lawn of razed St. Catherine's Hotel, north of Avalon. 4 Comment
  SEINET10297475  Platanthera sparsiflora Unknown 1967-7-19 37181 Los Angeles SAN GABIREL MTS., ANGELES NATIONAL FOREST: Big Cienega Springs above Crystal Lake Recreation Area, moist, mountianside meadow in yellow pine forest, elev. ca. 6500 ft. 1981 Comment
  CAS-BOT-BC91675  Platystemon californicus A. C. Sanders 2003-4-16 26041 Los Angeles Santa Clara River watershed. Newhall Ranch, ca. 0.4 north of Highway 126. 366 Comment
  RSA445688  Platystemon californicus Geo. Cantwell 1930-05 s.n. Los Angeles Mint Canyon. Comment
  POM7034  Plectritis ciliosa subsp. insignis Philip A. Munz, L. T. Street, G. Williams 1919-4-5 2416 Los Angeles Puddingstone Canyon. San Dimas. 259 Comment
  IRVC29044  Pluchea sericea A. C. Sanders, Mark Elvin 2002-6-25 25276 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  CAS-BOT-BC237685  Poa secunda Timothy S. Ross; Steve Boyd 1994-5-11 7769 Los Angeles Liebre Mountains. central summit area, ca. 1750 m WSW of Bear Gulch Camp 1732 Comment
  POM158251  Poa secunda M. B. Dunkle 1928-3-31 1782 Los Angeles Santa Catalina Island. Campo Blanco 152 Comment
  RSA17209  Poa secunda P. H. Raven 1962-4-10 17209 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA484189  Poa secunda George B. Grant 1903-04 1015 Los Angeles Old Wilson Trail Comment
  RSA756994  Poa secunda R. G. Swinney 2008-7-3 9146 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  RSA91515  Poa secunda F. W. Peirson 1918-04 1550 Los Angeles Arroyo Seco above Devil's Gate, West of Pasadena Comment
  RSA9661  Poa secunda L. C. Wheeler 1932-3-26 538 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  UCSB458  Poa secunda subsp. secunda H., J. 1935-4-24 Los Angeles San Dimas Exp. Forest; East Fork watershed; trail to flumes 4 & 5; sec. 7, T 1N, R 8W 609 Comment
  RSA653887  Polycarpon tetraphyllum Valerie L. Soza, Steve Boyd 2000-4-26 791 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  LA35991  Polycarpon tetraphyllum Peter H. Raven; 1960-5-16 15381 Los Angeles 121 Comment
  RSA135188  Polycarpon tetraphyllum P. H. Raven 1960-5-16 15381 Los Angeles Santa Monica Mountains. Topanga Canyon, 0.6 miles north of Coast Highway. 122 Comment
  UCR146690  Polygonum aviculare Scott D. White 2004-7-27 10623 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  UCR246494  Polygonum hydropiperoides Dan S. Cooper 2011-7-23 711- 90 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA607605  Polygonum lapathifolium Louis C. Wheeler 1966-10-27 9099 Los Angeles San Gabriel Mts., Angeles National Forest: in W fork of San Gabriel River at Camp Rincon. Comment
  UC1713702  Polygonum lapathifolium I. Johnston 1917-6-14 1343 Los Angeles w Pomona (along creek) Comment
  RSA641209  Polygonum orientale Louis C. Wheeler 1966-5-7 s.n. Los Angeles Rio Hondo, south El Monte. Comment
  CAS-BOT-BC71887  Polypodium californicum M. B. Dunkle 1939-4-4 7248 Los Angeles Chenetti Canyon, San Clemente Island Comment
  UCR194050  Polypodium californicum R. G. Swinney 1998-8-21 6780 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  UCR272556  Polypodium californicum R. G. Swinney 2011-10-27 15897 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
  UC121355  Polypogon interruptus T. S. Brandegee 1890-5-13 61 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC232400  Polypogon monspeliensis Alice Eastwood 1906-5-27 83 Los Angeles Bimini Baths Comment
  RSA550385  Polypogon monspeliensis Timothy S. Ross, David W. Wheat 1992-7-10 6665 Los Angeles Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon. 967 Comment
  UCR205650  Polypogon monspeliensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36930 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA191036  Polypogon viridis R. F. Thorne 1963-1 s.n. Los Angeles Rancho Santa Ana Botanic Garden, Claremont. 396 Comment
  SBBG77360  Populus balsamifera subsp. trichocarpa F. R. Fosberg 1932-5-7 8147 Los Angeles Grand Cyn, foot of upper falls 130 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
  UCR219946  Populus fremontii R. G. Swinney, Jane Strong 2009-4-21 10411 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  RSA592277  Populus fremontii subsp. fremontii Louis C. Wheeler 1967-5-9 9399 Los Angeles San Gabriel Mountains. Gleason Canyon, south of Aliso Canyon. 945 Comment
  SEINET3892989  Potamogeton pectinatus Louis C. Wheeler 1945-8-15 6088 Los Angeles El Monte: Lake Shangri-La. Margin of sunny lake.; 0 Comment
  UCR223340  Potentilla glandulosa R. G. Swinney 2009-5-20 10840 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223725  Potentilla glandulosa R. G. Swinney 2009-6-8 11105 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
  UCR271474  Potentilla glandulosa R. G. Swinney 2011-5-3 14569 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  HSC24469  Potentilla gracilis var. fastigiata R. F. Thorne, M. Z. Thorne 1969-7-9 38571 Los Angeles Angeles National Forest, at Big Pines 2073 Comment
  SEINET10684862  Prunus Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2628 Los Angeles Temple City, Valumart Food Warehouse, 6340 Rosemead. Comment
  RSA453303  Prunus fasciculata var. fasciculata Christopher Davidson 1973-4-7 1901 Los Angeles Bob's Gap Rd., ca 3 mi toward desert, 3 mi south of Hwy. 138 (Pearblossom Hwy). 1098 Comment
  RSA12024  Prunus ilicifolia Fay A. MacFadden 1929-6-6 1071 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA695390  Prunus ilicifolia subsp. ilicifolia A. C. Sanders, Mark A. Elvin 2002-6-19 25187 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  SFV21008  Prunus ilicifolia subsp. ilicifolia L. Gross 2003-3-7 780 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Verdugo Crestline Dr. (fire road) just north of the 210 Freeway. Entered on the west side at Topley Lane, off of Newhome Ave. in Sunland. Just past a saddle along the road on northwest-facing slope on north side of ridge near above coordinates. 518 Comment
  SD53064  Prunus ilicifolia subsp. lyonii Peter H. Raven 1962-5-22 17828 Los Angeles Santa Catalina Island, near mouth of Cherry canyon 60 Comment
  UC1971275  Prunus ilicifolia subsp. lyonii Carl B. Wolf 1932-5-11 3574 Los Angeles Santa Catalina Island. Cherry Valley between the road and ocean.; Upper Sonoran Comment
  RSA652648  Prunus lyonii Giancarlo Massarotto 1981-5-28 43 Los Angeles Private home garden 1020 So. Valinda Ave. W. Covina. Comment
  SEINET10483466  Prunus lyonii Lyman D. Benson 1960-7-20 Benson 16077 Los Angeles Seedling volunteers on the pomona college campus, pacific slope 366 Comment
  CATA607  Pseudognaphalium biolettii Mark L. Hoefs 1991-4-8 1054 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  POM158323  Pseudognaphalium biolettii M. B. Dunkle 1928-3-31 1771 Los Angeles Little Harbor, Santa Catalina Island. 91 Comment
  RSA675811  Pseudognaphalium biolettii LeRoy Gross 2003-3-7 758 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 Comment
  UCR126230  Pseudognaphalium biolettii A. C. Sanders 2003-3-14 25759 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  SFV3674  Pseudognaphalium biolettii J. R. Swanson 1963-3-14 744 Los Angeles Santa Monica Mountains 0.5 miles south of the top of New Topanga Canyon Road. Level roadside area. Comment
  CHSC57896  Pseudognaphalium californicum Blake A. Rowe 1986-6-30 33 Los Angeles Along the edges of Hwy 126, 1 km s of Canyon Country, Los Angeles. 250 Comment
  LA200207  Pseudognaphalium californicum A. M. Johnson; 1928-2-16 118 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  UCR281381  Pseudognaphalium californicum R. G. Swinney 2014-5-15 16523 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  CATA1218  Pseudognaphalium luteoalbum Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2277 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  SBBG14338  Pseudognaphalium luteoalbum E. R. Blakley 1962-10-5 5441 Los Angeles Cottonwood Cyn, 0.5 mi upstream from the ocean 30 Comment
  LA32055  Pseudognaphalium microcephalum Peter H. Raven; 1959-9-28 13738 Los Angeles Santa Monica Mountains, Elysian Park 213 Comment
  RSA574305  Pseudognaphalium stramineum R. G. Swinney 1994-5-7 2824 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  UCR170408  Pteridium aquilinum Alex R. Van Dam 2004-5-16 003 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park near the corner of Franklin Canyon and Lake Drive 261 Comment
  UCR270301  Pteridium aquilinum R. G. Swinney 2011-6-30 15403 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  SEINET3874204 Image available Pteridium aquilinum var. pubescens F. R. Fosberg 1931-5-7 S 4834 Los Angeles Cottonwood Canyon, rt. fk. Santa Catalina Island.; 0 200 Comment
  UCR247416  Pteris vittata Joseph Cahill 2011-2-5 s.n. Los Angeles San Gabriel Mountains, Rubio Canyon, c. 0.8 mi. NW of trailhead at Rubio Vista Rd. 664 Comment
  UC2029925  Pterostegia drymarioides S. D. White, Kent Hughes 2000-5-16 7837 Los Angeles SAN GABRIEL MTS.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. Comment
  RSA526586  Pterostegia drymarioides Tim S. Ross 1991-3-24 4294 Los Angeles Whittier Hills (Puente Hills, pro parte). 313 Comment
  RSA772424  Purshia glandulosa R. G. Swinney 2009-4-29 10615 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UC624996  Quercus X macdonaldii F. R. Fosberg 1931-12-10 7152 Los Angeles Pebble Beach Canyon, left fork Santa Catalina Island 40 Comment
  UCSB28157  Quercus agrifolia var. agrifolia Lloyd, Robert 1959-3-24 Los Angeles at Oak Flats Fire Station, 10 mi. north of Castaic, on U.S. Hwy, 99, Tehachapi Mts. 822 Comment
  RSA613170  Quercus berberidifolia C. Epling 1931-10-24 s.n. Los Angeles Between Sandbergs and Pine Canyon Comment
  SFV907  Quercus berberidifolia P. G. Kilburn 1958-9-19 875 Los Angeles Santa Susana Mountains Oat Mountain. 945 Comment
  UCR95382  Quercus berberidifolia L. C. Wheeler 1966-11-23 9152 Los Angeles San Gabriel Mtns., Chileno Canyon, 0.25 mi. upstream from mouth. Comment
  UCSB68623  Quercus berberidifolia Gross, LeRoy 2000-11-11 Los Angeles Verdugo Mountains: Along Foothill Blvd. just west of Hillrose Street in Sunland 365 Comment
  CAS-BOT-BC62529  Quercus chrysolepis G. B. Grant 1902-5-27 156 Los Angeles Santa Anita Canon Comment
  RSA476905  Quercus chrysolepis Ora M. Clark 1928-12-8 1363 Los Angeles S Baldy Camp, Mountain Canyons Comment
  RSA635031  Quercus chrysolepis Valerie L. Soza, Kent Hughes 1999-6-17 545 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  CATA1762  Quercus douglasii E. R. Blakley 1962-10-6 5475 Los Angeles Santa Catalina Island: 0.25 mile below the lower reservoir in Bulrush Canyon 243 Comment
  CAS-BOT-BC86234  Quercus dumosa Le Roy Abrams 1901-4-7 1419 Los Angeles Verdugo Hills Comment
  CAS-BOT-BC86394  Quercus dumosa Herman Knoche 1919-6-24 860 Los Angeles Catalina Island Comment
  UCD45795  Quercus dumosa J. Ewan 1931-10-11 5242 Los Angeles Sepulveda Canyon Rd. north of Mulholland. Santa Monica Mts. Comment
  RSA476760  Quercus durata var. gabrielensis Bonnie C. Templeton 1929-12-15 1448 Los Angeles Arroyo Seco, near Camp Switzers. 900 Comment
  UC2042126  Quercus durata var. gabrielensis Orlando Mistretta 1995-1-10 1955 Los Angeles Transverse Ranges; San Gabriel Mountains region: near Glendora Mountain Road, about 4 miles W of junction with Mt. Baldy Road. Comment
  CHSC98399  Quercus engelmannii LeRoy Gross 2001-3-23 344 Los Angeles Verdugo Mountains Region: North side: Whiting Woods Mountainway; dirt road at end of Whiting Woods Road, in the city of Verdugo City, road starts at Henderson Canyon and climbs to the main crest. On sunny ridge just above road. 487 Comment
  UC630412  Quercus engelmannii Annetta Carter 1940-1-11 1489 c Los Angeles e side of canyon at head of Baldwin Avenue (foothills of the San Gabriel Mountains); Sierra Madre, San Gabriel Mountains 320 Comment
  SFV6843  Quercus kelloggii T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 591 Los Angeles San Gabriel Mountains Adjacent to County Road N4 (Big Pines Highway), 2.2 miles east of Largo Vista Road. 1677 Comment
  CAS-BOT-BC61540  Quercus lobata Le Roy Abrams 1901-4-4 1335 Los Angeles Chatsworth Park Comment
  JEPS37327  Quercus pacifica W. L. Jepson 1908-7-13 3047 Los Angeles Catalina Island Comment
  SBBG21460  Quercus pacifica D. E. Breedlove 1961-9-23 1268 Los Angeles S side of Fourth of July Cove 30 Comment
  UCD14054  Quercus pacifica John M. Tucker 1992-3-31 No. 1 Los Angeles California, Los Angeles Co.; Santa Catalina Island, upper Middle Ranch Canyon below pump station, roughly 4 1/2 mi. west of Avalon, Comment
  UCD81369  Quercus palmeri D. Charles Dailey 1973-12-31 1275 Los Angeles 0.94 mile south of Valyermo Road on Pallett Creek Road, ca. 1-1.25 mile west of Valyermo (Big Rock) Fire Station. Comment
  UC557784  Quercus tomentella Nell Murbarger Apr 1936 122 Los Angeles e side San Clemente Island Comment
  UCR143424  Quercus tomentella Larry E. DeBuhr, G. D. Wallace 1972-9-2 700 Los Angeles Channel Islands, San Clemente Island; In the second large canyon north of Lemon Tank 366 Comment
  UC1135895  Quercus wislizeni G. E. Sindel 1935-6-6 117 Los Angeles 4 mi se Quail Lake; Angeles National Forest, Tejon Quad. 1127 Comment
  UCR273153  Rafinesquia californica R. G. Swinney 2011-6-22 15277 Los Angeles San Gabriel Mountains, Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy 1598 Comment
  RSA536081  Rafinesquia californica Timothy S. Ross 1991-5-21 5426 Los Angeles San Clemente Island: Upper reaches of Box Canyon, SW side of the Island. 404 Comment
  LA36079  Ranunculus hebecarpus Peter H. Raven; Henry J. Thompson 1960-4-24 15123 Los Angeles 609 Comment
  UCR271486  Ranunculus hebecarpus R. G. Swinney 2011-5-3 14561 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA400649  Ranunculus repens Cora Mae Life 1923-07 41 Los Angeles U.C. campus. Comment
  RSA188243  Raphanus raphanistrum R. F. Thorne, P. Everett 1965-6-22 34924 Los Angeles Catalina Island. South of Avalon golf course. 91 Comment
  POM293233  Raphanus sativus Lyman Benson 1948-3-27 12857 Los Angeles Claremont. 366 Comment
  RSA431502  Raphanus sativus N. C. Cooper 1944-4-23 1152 Los Angeles Pomona 244 Comment
  POM220016  Reseda odorata F. R. Fosberg 1932-6-5 8135 Los Angeles Mouth of Big Wash Can. Avalon, Santa Catalina Island. 20 Comment
  RSA652639  Rhamnus californica Marion P. Harthill 1974-4-22 1670 Los Angeles Mojave Hwy. and N4. Comment
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Jan 4 2012
  UC1071545  Rhamnus californica A. Lewis Feb 1934 252 Los Angeles Indian Canyon Angeles National Forest, San Fernando Quad. 609 Comment
  UCR223521  Rhamnus californica R. G. Swinney 2009-6-24 11232 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA0094361  Rhamnus californica subsp. californica R. G. Swinney 2011-5-31 14903 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
  RSA585761  Rhamnus californica subsp. californica Orlando Mistretta 1995-7-11 1894 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  CAS-BOT-BC59929  Rhamnus crocea Alice Cooper 1908-7-21 s.n. Los Angeles Sawpit Canyon. San Gabriel Mts. Comment
  LA207789  Rhamnus crocea Paul Gripp; May 1954 sn Los Angeles Mt. Gleason Rd., Tujunga Comment
  LA207807  Rhamnus crocea subsp. ilicifolia Lincoln Ellison; 1929-5-19 sn Los Angeles Big Santa Anita Dam Comment
  CAS-BOT-BC55978  Rhamnus ilicifolia Herman Knoche 1919-6-25 Series A, No. 886 Los Angeles Catalina Island, Avalon Comment
  CAS-BOT-BC55981  Rhamnus ilicifolia F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena, San Gabriel Mountains Comment
  LA207820  Rhamnus ilicifolia Carl Epling; M. Epling May 1925 sn Los Angeles Arroyo Seco Comment
  RSA599808  Rhamnus ilicifolia Steve Boyd, Lauren Raz 1997-3-25 9300 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
  UC18550  Rhamnus ilicifolia J. Burtt Davy May 9 1896-May 24 1896 2604 Los Angeles near Eell's; Antelope Valley, Leonis Valley Comment
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Aug 5 2014
  SEINET11244036  Rhamnus ilicifolia G. B. Grant 1115 Los Angeles Garvanza. Comment
  RSA177839  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-5-10 34474 Los Angeles Santa Catalina Island, near Echo Lake 427 Comment
  RSA526532  Rhamnus pirifolia Steve Boyd, Tim S. Ross, Arnseth 1990-4-7 4270 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  LA62892  Rhus aromatica Carl Epling; 1926-4-24 sn Los Angeles Mint Canyon Comment
  RSA0091736  Rhus aromatica R. G. Swinney 2011-5-12 14684 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  CAS-BOT-BC170441  Rhus integrifolia Louis C. Wheeler 1933-3-31 1560 Los Angeles Topango Canyon, Santa Monica Mts. 152 Comment
  CAS-BOT-BC170472  Rhus integrifolia Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  RSA526574  Rhus integrifolia T. S. Ross 1991-3-24 4309 Los Angeles Whittier Hills. 238 Comment
  RSA643663  Rhus integrifolia C. B. Wolf 1927-12-31 1465 Los Angeles Hills at West side of town of Eagle Rock. Comment
  SBBG64583  Rhus integrifolia T. Ross 1991-9-2 5938 Los Angeles near Mulholland Hwy and Yerba Buena Rd [putative hybrid w/ R. ovata] 541 Comment
  SBBG98462  Rhus integrifolia T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5057 Los Angeles lower Wilson Cyn; SW of and above pier operations 15 Comment
  SBBG98599  Rhus integrifolia T. Ross 1999-3-9 4183 Los Angeles Whittier Hills (Puente Hills); SE side of ridgetop knoll, head of Oak Cyn 368 Comment
  SEINET3155707  Rhus integrifolia var. integrifolia G. B. Grant 1120 Los Angeles Pasadena Comment
  UCR132308  Rhus ovata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  UCR256233  Rhus ovata R. G. Swinney 2010-6-4 13041 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
  RSA584035  Rhus trilobata var. quinata T. S. Ross, Steve D. Boyd 1991-4-25 4575 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  OBI32606  Ribes Henry J. Thompson 1959-2-20 1848 Los Angeles Santa Monica Mts. 2 mi E of peak along Saddle Peak Rd Comment
  UCR200113  Ribes aureum Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 654 B 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
  RSA651631  Ribes aureum var. gracillimum Brent Mishler s.n. Los Angeles San Gabriel R. flood control - Iwindale. 152 Comment
  CLARK-A1528-4120  Ribes californicum var. hesperium John C. Roos 1966-2-4 Los Angeles Claremont Comment
  UCR202744  Ribes cereum R. G. Swinney 2001-8-27 8095 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  RSA729811  Ribes cereum var. cereum R. G. Swinney 1998-7-10 6388 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2. 2250 Comment
  CAS-BOT-BC108876  Ribes divaricatum var. parishii F. V. Coville; R. Bacigalupi 1925-4-18 171 Los Angeles Lexington Wash at El Monte. Comment
  UCR24339  Ribes divaricatum var. parishii John C. Roos, L. Roos 1951-3-10 5032 Los Angeles San Gabriel River at Whittier Narrows 61 Comment
  LA50729  Ribes indecorum A. M. Johnson; 1934-4-20 4440 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA0025047  Ribes indecorum Valerie L. Soza 1997-4-11 39 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Boulevard. East of School of Theology, east of cluster of pines. 412 Comment
  UC519968 Image available Ribes indecorum Louis Wheeler 1933-3-4 1510 Los Angeles Claremont 388 Comment
  CAS-BOT-BC173414  Ribes malvaceum John Thomas Howell 1928-3-4 3378 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  LA33980  Ribes malvaceum var. viridifolium Peter H. Raven; 1959-3-1 13823 Los Angeles 396 Comment
  RSA724675  Ribes malvaceum var. viridifolium K. Dobry 1992-4-14 d- 1140 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  SD8348  Ribes malvaceum var. viridifolium J. C. Nevin Los Angeles Los Angeles. Comment
  UCR151719  Ribes nevadense Steve Boyd, Amber Maurice 2004-5-18 11306 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  RSA587274  Ribes roezlii Tim S. Ross 1990-5-17 2553 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA84973  Ribes roezlii F. W. Peirson 1919-6-14 690 Los Angeles near top of Big Rock Creek 1951 Comment
  UC150060  Ribes speciosum LeRoy Abrams 1902-3-11 3118 Los Angeles Sepulveda Canyon Santa Ana Mts. Comment
  RSA640986  Ribes viburnifolium Robert F. Thorne 1977-3-22 45760 Los Angeles Santa Catalina Island: ENE slope of Blackjack Mine. 457 Comment
  SD114013  Ribes viburnifolium Darley F. Howe 1968-2-25 4488 Los Angeles Santa Catalina Island; hillside north of Fourth of July Cove. Comment
  CHSC95749  Ricinus communis Joseph Marlowe Keefe 2001-1-19 30900 Los Angeles San Rafael Mountains. South facing slope on north side of Upperton Avenue (north across the street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California, 90042. 262 Comment
  CHSC98043  Ricinus communis LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1030 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains. Along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. UTM Zone 11; 3783279N 0382445E. 262 Comment
  RSA0073372  Ricinus communis R. G. Swinney 2010-3-16 11957 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
  RSA480742  Ricinus communis Robert Gustafson 1981-4-29 2213 Los Angeles Ballona Wetlands, Area 2. Comment
  UCR177219  Ricinus communis LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1030 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon 262 Comment
  RSA0092239  Rorippa curvipes var. truncata R. G. Swinney 2010-9-7 13703 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. Mostly N shore. 1683 Comment
  UCR206505  Rorippa curvisiliqua A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36969 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  POM155661  Rosa californica M. B. Dunkle 1928-5-13 1946 Los Angeles Santa Catalina Island, Middle Ranch Canyon. 213 Comment
  CAS-BOT-BC148392  Rubus leucodermis A. Davison 1893-7-21 s.n. Los Angeles Wilson's Peak Comment
  POM366431  Rubus ursinus Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  RSA0011381  Rubus ursinus Orlando Mistretta, Christine Mistretta 2011-7-13 5943 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  RSA653629  Rubus ursinus S. Koukol, R. Koukol 1998-5-3 46 Los Angeles La Verne, Foothill Blvd., 125 m W. of Wheeler Avenue 344 Comment
  SEINET13203289 Image available Rubus ursinus R. G. Swinney 2011-1 14171 Los Angeles San Gabriel Mts.: Glendora foothills, Mull Canyon below debris basin, along Mull Cyn. Road (Glendora 7.5' Q.) (T1N R9W S28) 329 Comment
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Oct 19 2018
  UCR271898  Rubus ursinus R. G. Swinney 2011-3-15 14069 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  CDA2880  Rumex acetosella Phillipson 1915-9-3 Los Angeles Monrovia. Comment
  RSA0115838  Rumex conglomeratus Steven A. Junak 1999-7-15 SCa- 1029 Los Angeles Santa Catalina Island. Bulrush Canyon. 237 Comment
  RSA0116797  Rumex crispus Richard G. Swinney 2010-5-25 12935 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA762381  Rumex crispus R. G. Swinney 2009-3-10 10067 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA595456  Rumex hymenosepalus Tim S. Ross, Victor W. Steinmann 1995-5-8 8550 Los Angeles NE side of Bouquet Reservoir; Spunky Canyon Road ca 500 m SE of the mouth of Spunky Canyon 919 Comment
  RSA466265A  Rumex salicifolius var. salicifolius Freda Detmers 1931-5-17 s.n. Los Angeles Hillside, Mint Canyon. Comment
  LA200489  Rupertia physodes A. M. Johnson; 1932-5-30 4103 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  UCR141105  Ruppia maritima R. F. Thorne 1971-5-17 41353 Los Angeles Santa Catalina Island: Pond southeast of Isthmus 213 Comment
  SEINET3893350  Ruppia maritima Robert F. Thorne, D. Propt; class 1971-5-17 41353 Los Angeles Santa Catalina Island: Pond southeast of Isthmus.; 0 213 Comment
  RSA477740  Sagina saginoides F. R. Fosberg, J. Ewan 1931-8-12 s.n. Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  RSA640932  Sagina saginoides L. C. Wheeler 1967-8-9 10420 Los Angeles San Gabriel Mts., Angeles National Forest: headwaters of Devil's Canyon on S side Mt. Waterman. 2133 Comment
  RSA616131  Sagina saginoides L. C. Wheeler 1966-8-21 8839 Los Angeles San Gabriel Mountains: Dorr Canyon, northwest side Mount Burnham. Comment
  JEPS62516  Salazaria mexicana Frank W. Peirson 1919-6-15 498 Los Angeles Rock Creek; San Gabriel Mts., Rock Creek 1341 Comment
  RSA611048  Salazaria mexicana Louis C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1159 Comment
  UCSC001511  Salazaria mexicana Peter Kamb 1948-5-6 971 Los Angeles Hot hillside above wash San Gabriel Mts, Little Rock (Lower Sonoran Zone. Desert foothills of the San Gabriel Mts above Little Rock) 975 Comment
  SBBG12694  Salicornia pacifica E. R. Blakley 1962-10-4 5404 Los Angeles Ballast Pt, Catalina Harbor at the isthmus 1 Comment
  RSA0115850  Salix Steven A. Junak 1999-5-20 SCa- 927 Los Angeles Santa Catalina Island. Cottonwood Canyon, at reservoir. 134 Comment
  RSA624066  Salix exigua Louis C. Wheeler 1967-5-23 9665 Los Angeles 1.25 mile ESE Honby 457 Comment
  UCR107256  Salix exigua R. G. Swinney 1994-8-23 3224 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  UC184286  Salix exigua var. hindsiana A. D. E. Elmer June, 1902 3650 Los Angeles Saugus Comment
  RSA482505  Salix gooddingii Richard Noyes, L. Arnseth 1988-4-30 541 Los Angeles Claremont. Foothills of San Gabriel Mountains. North facing slope of Thompson Creek Dam. 500 Comment
  LA208693  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-11 7669 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  LA208748  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-25 7648 Los Angeles Verdugo Canyon, Area 3 Comment
  RSA584022  Salix laevigata Tim S. Ross, Steve D. Boyd 1990-5-29 2709 Los Angeles San Gabriel Mtns: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging Station. 1236 Comment
  SBBG59099  Salix laevigata Mrs. H. P. Bracelin, F. R. Fosberg 1931-10-11 568 Los Angeles lower Topanga Cyn 15 Comment
  RSA549796  Salix lasiolepis Wandalee Thompson 1964-4-22 36 Los Angeles Liebre Mtns.: Cottonwood Campground, Elizabeth Lake Canyon Road, Angeles National Forest. 808 Comment
  UCR277175  Salix lasiolepis R. G. Swinney 2010-9-30 13949 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
  SEINET12512726  Salix lasiolepis Unknown 1896-1 s.n. Los Angeles Avalon, Santa Catalina Island;Channel Islands;;; Comment
  SFV21133  Salix lucida subsp. lasiandra J. M. Keefe 2001-2-7 31046 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. Along freeway onramp on north-facing slope, 3 m north of Ventura Freeway (Highway 134), 5 meters east of Figueroa St., southwest of Eagle Rock Park. 280 Comment
  UCR207626  Salpichroa origanifolia O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  UCR223669  Salsola R. G. Swinney 2009-8-25 11493 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
  SD252321  Salsola Steven A. Junak 1999-9-9 Sca 1077 Los Angeles Santa Catalina Island: Top of Black Jack Peak, at microwave installation. 609 Comment
  CDA43373  Salsola australis Michael O Brien 2014-11-9 s.n. Los Angeles El Matador State Beach, Malibu. 0 Comment
  RSA0097178  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-1 14978 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA585941  Saltugilia splendens subsp. grantii T. S. Ross, S. D. Boyd 1990-5-23 2637 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon. 1308 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
  RSA226243  Salvia apiana Gary D. Cromwell, David W. Wheat 1971-7-1 705 Los Angeles Near canyon mouth just above creek bed. Mystic Canyon, San Gabriel Mountains, Angeles National Forest. Two miles NE of Glendora. 366 Comment
  RSA401633B  Salvia apiana William Emboden 1970-6-12 25 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA411302  Salvia apiana L. E. Hoffman 1929-6-10 s.n. Los Angeles Arroyo Seco, below Strawberry Peak. Comment
  UC57017  Salvia apiana Ernest Braunton 1902-6-1 387 Los Angeles Elysian Park Comment
  UC883843  Salvia apiana F. R. Fosberg 1931-5-6 S 4808 Los Angeles Cape Canyon Cape Canyon, Santa Catalina Island; Santa Catalina Island 280 Comment
  RSA247975  Salvia carduacea Robert F. Thorne, Gary D. Wallace 1973-4-24 43452 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  RSA411357  Salvia carduacea M. Vincent 1962-5-7 241 Los Angeles Llano at junction of road to Mile High [N4]. Comment
  RSA651664  Salvia carduacea Arthur L. Smith 1955-5-15 s.n. Los Angeles Llano Antalope Valley [Antelope Valley?] 1037 Comment
  CAS-BOT-BC173255  Salvia columbariae A. C. Sanders; Helen Kennedy 2005-4-13 29413 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA401449B  Salvia columbariae Freda Detmers 1931-5-10 s.n. Los Angeles Foothill Blvd, Near Azusa. Comment
  RSA580467  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-5-11 7793 Los Angeles Atmore Meadows spur road: east end of Liebre Mountain near the head of North Fork Fish Canyon. 1500 Comment
  RSA592509  Salvia columbariae Mark Hoefs, Doug Propst 1973-3-14 101 Los Angeles Santa Catalina Island: upper Cape Canyon; east exp. 488 Comment
  SFV22140  Salvia columbariae V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 761 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Open, west-northwest-facing slope below trail along ridgetop. 488 Comment
  RSA0051682  Salvia columbariae S. Karlin 1960-05 s.n. Los Angeles Santa Monica Mountains. Comment
  RSA704238  Salvia columbariae Gary D. Wallace 1982-4-17 1914 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UC76197  Salvia columbariae Miss E. D. Palmer Nov 1904 Los Angeles vicinity Los Angeles Comment
  SEINET192417  Salvia dorrii var. pilosa L. R. Abrams 1941-4-24 13952 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138. Comment
  UCR222735  Salvia dorrii var. pilosa R. G. Swinney 2009-5-12 10714 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  RSA0017012  Salvia dorrii var. pilosa Unspecified 1906-6-1 s.n. Los Angeles Big Rock Creek. Comment
  RSA0088258  Salvia mellifera R. G. Swinney 2010-5-25 12969 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
  RSA0094716  Salvia mellifera R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14323 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
  RSA3509  Salvia mellifera Carl B. Wolf 1932-5-9 3452 Los Angeles Pebbly Beach, Santa Catalina Island. 30 Comment
  RSA434108  Salvia mellifera F. R. Fosberg 1931-5-6 S 4810 Los Angeles Santa Catalina Island. Head of Cape Canyon, near pump house. 280 Comment
  SBBG119539  Salvia mellifera A. C. Sanders, H. Kennedy 2005-4-13 29432 Los Angeles lower Mint Cyn at the community of Mint Cyn 457 Comment
  UC1922276  Salvia mellifera Valerie Soza, Miriam Sidibeh 2003-3-26 1601 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  RSA0034493  Salvia mellifera Vincent Arellano 1980-6-2 34 Los Angeles 2.5 miles south of Placerita at marker 480. west side of road. 640 Comment
  LA82002  Salvia spathacea O. H. Kappler; 1940-5-26 31 Los Angeles 365 Comment
  RSA434069  Salvia spathacea Dorothy Davis 1923-4-29 s.n. Los Angeles La Canada. Comment
  CAS-BOT-BC235021  Sambucus Marcus E. Jones 1926-5-21 s.n. Los Angeles Mountains near Claremont Comment
  UCR114927  Sambucus mexicana C. B. Wolf 1932-7-6 03833 Los Angeles San Fernando Valley, Van Nuys Blvd., 1/2 mile east of Pacoima Post Office 335 Comment
  UCR95474  Sambucus mexicana L. C. Wheeler 1967-4-30 9201 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of foothills (of San Gabriel Mtns), between Bouquet Junction and Bonelli Ranch 396 Comment
  UCR270450  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-12 14686 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
  RSA460825  Samolus parviflorus Louis Greata 1900-9-16 s.n. Los Angeles Los Angeles. Comment
  RSA250677  Sanicula bipinnatifida R. F. Thorne 1971-4-2 41427 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont 549 Comment
  POM50459  Sanicula crassicaulis L. R. Abrams 1901-4-3 1282 Los Angeles Santa Monica Mountains. Comment
  SFV22089  Sanicula crassicaulis V. Soza, L. Gross, B. Hogshead 2001-4-26 1187 Los Angeles Verdugo Mountains Northwestern edge of Verdugo Mountains. North of La Tuna Canyon, southeast of Green Verdugo Reservoir. 457 Comment
  POM183609  Sanicula crassicaulis Joseph A. Ewan 1929-5-25 3483 Los Angeles Ridge amove Providencio Rancho. Santa Monica Mountains. Comment
  RSA549492  Sarcodes sanguinea T. S. Ross 1990-6-18 3473 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  POM18177  Saxifraga californica P. A. Munz 1923-3-14 6593 Los Angeles Coble [Cobal] Canyon, north of Claremont. 518 Comment
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Nov 25 2014
  RSA610961  Schinus molle L. C. Wheeler 1932-9-8 1357 Los Angeles [County line: Los Angeles/ San Bernardino] San Antonio wash at Foothill Blvd. Comment
  SBBG113113  Schismus arabicus S. A. Junak 1998-5-2 SCa 624 Los Angeles upper portion of Avalon Cyn watershed, along Memorial Rd, ca. 0.7 mi rd mi above Wrigley Memorial 213 Comment
  RSA563505  Schismus barbatus Timothy S. Ross 1993-5-13 7123 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  UC1182203  Schismus barbatus Mr. Brown 1958-1 Los Angeles Monrovia Comment
  RSA366001  Schoenoplectus californicus Louis Greata 1901-9-2 s.n. Los Angeles Ballona. Comment
  RSA92162  Schoenoplectus californicus F. W. Peirson 1906-7-19 1614 Los Angeles Inglewood. Comment
  SBBG27156  Scrophularia californica I. W. Clokey, B. Templeton -Jul-1929 4573 Los Angeles Mandeville Cyn 300 Comment
  LA51847  Scrophularia californica subsp. californica Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA733719  Scrophularia californica subsp. floribunda R. G. Swinney 2000-6-25 7803 Los Angeles San Gabriel Mtns.: ridge top (hill 4413) on west side of San Antonio Canyon, between Evey Canyon and nameless 1st canyon to north, c. 3/4 mi. west of San Antonio Cyn. Rd. 1345 Comment
  SBBG79217  Scrophularia villosa F. R. Fosberg 1931-4-8 4520 Los Angeles Avalon Valley 60 Comment
  UC1234775  Scrophularia villosa Peter H. Raven 1962-5-22 17831 Los Angeles first canyon w Lions Head Point; Santa Catalina Isl Comment
  POM19034  Scutellaria siphocampyloides P. A. Munz 1923-6-9 6924 Los Angeles Bouquet Canyon, near Saugus. 1006 Comment
  RSA445335B  Scutellaria siphocampyloides Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  POM69997  Scutellaria tuberosa Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  UCD169411  Secale cereale A. C. Sanders; S. D. Boyd 1997-4-19 20492 Los Angeles Antelope Valley, along Hwy 138 in vicinity of 230th St. West. 890 Comment
  CAS-BOT-BC63894  Sedum spathulifolium I. M. Johnston 1919-6-7 2170 Los Angeles San Antonip Mountains, Cucamonga Canyon. Comment
  JEPS60159  Selaginella asprella F. R. Fosberg and J. Ewan Aug 1931 4883 Los Angeles Islip - Hawkins divide San Gabriel Mountains Comment
  LA200009  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-19 1748 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3.5 mi from mouth of canyon. 304 Comment
  LA200013  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-27 1815 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  POM246613  Selaginella bigelovii F. Raymond Fosberg 1931-5-7 R 96 Los Angeles Cottonwood Canyon, Santa Catalina Island 100 Comment
  RSA0093051  Selaginella bigelovii Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14347 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA601571  Selaginella bigelovii Louis Cutter Wheeler 1967-6-15 9823 Los Angeles San Gabriel Mountains: South side Fremont Pass. Land Grant 564 Comment
  POM296980  Selaginella bigelovii Karen Hosterman 1957-4-8 977 Los Angeles Catalina [Island]; north side of Avalon. Comment
  RSA527614  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1990-4-8 4400 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA683748  Selaginella bigelovii F. Raymond Fosberg 1931-5-7 R 96 Los Angeles Cottonwood Canyon, Santa Catalina Island 100 Comment
  RSA683755  Selaginella bigelovii Howard de Forest 1929-2-9 s.n. Los Angeles Griffith Park. Comment
  SEINET2122162  Senecio M. L. Carson 1968-12-19 1303 a Los Angeles 7.9 mi S of State Highway 138 and 19.4 mi N of Castaic 1220 Comment
  UC91479  Senecio astephanus Dr. A. Davidson Los Angeles Comment
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Nov 3 2006
  POM199  Senecio californicus I. M. Johnston 1917-3-29 1250 Los Angeles Above Claremont. Comment
  JEPS37309  Senecio flaccidus var. douglasii C. E. Hutchinson 1892-7-20 Los Angeles Old Mt. Wilson Trail San Gabriel Mts. 304 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
  RSA661016  Senecio lyonii Orlando Mistretta 1992-4-5 156 Los Angeles Guds, San Clemente Island. Comment
  UC284133  Senecio lyonii P. A. Munz 1923-4-8 6629 Los Angeles Wilsons Cove San Clemente Island Comment
  CAS-BOT-BC243623  Setaria pumila Peter H. Raven 1956-6-17 9407 Los Angeles Westwood, Los Angeles Comment
  HSC10917  Setaria viridis C. E. Fellows 1965-8-22 116 Los Angeles 2.5 mi. NE of Sunland city limits, 1/10 mi. SW of bridge on Big Tujunga Rd. Comment
  RSA602635  Sherardia arvensis B. Pitzer 1996-4-28 2731 Los Angeles City of Long Beach, Bixby Park, on Junipero Avenue, 1 block E of the beach. Comment
  CATA2986  Sibara filifolia Peter J. Dixon 2015-2-25 018 Los Angeles Santa Catalina Island: Wild Boar Gully, Triangle Population, 350m SW of Wild Boar Gully Rd. 238 Comment
  SBBG108979  Sibara filifolia S. A. Junak 1997-3-11 SCl 742 Los Angeles Sibara Ridge overlooking Pyramid Cove, ca. 0.25 mi S of Triangulation Pt Guds 164 Comment
  CAS-BOT-BC213325  Sidalcea A. D. E. Elmer 1902-6-1 3612 Los Angeles Palmdale Comment
  UCR180359  Sidalcea malviflora Scott D. White, Pam Devries 2006-5-9 11391 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  UCR186913  Sidalcea malviflora A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32021 A Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  RSA433866  Sidalcea malviflora Thekla Mohr 1911-1 1931 Los Angeles Los Angeles. Comment
  UCR95417  Sidalcea malviflora subsp. sparsifolia T. S. Ross, V. W. Steinmann 1995-5-8 8535 Los Angeles Liebre Mtns., Bouquet Canyon, along Bouquet Canyon Road near Bouquet Campground No. 3. 744 Comment
  RSA617732  Silene gallica Scott D. White 1998-5-22 6557 Los Angeles Castaic Lake Area: Grasshopper Cyn. watershed, between 1-5Fwy./Old Ridge Route and the Lake. Proposed North Lake Planned community. Large area, has evidenly been heavily grazed for many years. 427 Comment
  UCR213422  Silene gallica A. C. Sanders, Dan S. Cooper 2010-3-12 37321 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR255776  Silene gallica R. G. Swinney 2010-5-4 12490 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
  RSA748583  Silene laciniata Scott D. White, Justin M. Wood 2009-5-6 12641 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  RSA658892  Silene laciniata subsp. major Geraldine Dodd 1992-5-25 021 Los Angeles 2 miles north of corner of Mira Monte Ave. & Mt. Wilson Trail Dr. in Sierra Madre, Mt Wilson Hiking Trail. San Gabriel Mtns. 762 Comment
  POM11236  Silene lemmonii George B. Grant 1906-6-10 s.n. Los Angeles Mt. Lowe 1524 Comment
  UCR209972  Silene parishii R. G. Swinney 2008-7-25 9315 Los Angeles San Gabriel Mtns., base of east slope of Mt. Waterman along Mt. Waterman Trail 0.4 mi. SW of Hwy 2 2110 Comment
  CAS-BOT-BC175114  Silene verecunda John Thomas Howell 1947-7-18 23396 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  UCR181268  Silene verecunda subsp. platyota R. G. Swinney 1997-6-13 5576 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 0.5 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 2073 Comment
  UC218196  Silene verecunda subsp. platyota P. A. Munz 1922-7-21 6119 Los Angeles Little Baldy San Gabriel Mts., Little Baldy 2895 Comment
  CDA20717  Sinapis arvensis Hartman 2006-7-26 PDR 1353126 Los Angeles E. Spring St., Long Beach, CA. Comment
  RSA562557  Sisymbrium altissimum Steve Boyd, Orlando Mistretta 1993-5-11 8123 Los Angeles North of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon. 488 Comment
  UCR224264  Sisymbrium altissimum R. G. Swinney 2009-6-24 11278 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  RSA0087032  Sisymbrium orientale R. G. Swinney 2010-4-13 12207 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  UC168874  Sisyrinchium bellum George B. Grant and Walter Wheeler 1904-5-7 1210 Los Angeles Glendora Comment
  SEINET6086994  Sisyrinchium bellum Unknown 1975-5-13 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA730753  Solanum americanum A. C. Sanders, Mark A. Elvin 2002-6-18 25115 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusment park. 328 Comment
  UC519959  Solanum americanum Louis C. Wheeler 1932-10-29 1439 Los Angeles 8 mi n of Long Beach (Atlantic Avenue); Atlantic Avenue 45 Comment
  POM4248  Solanum douglasii O. Kenney 1893-6-8 s.n. Los Angeles Roadside, collected near Pasadena Comment
  UCR186753  Solanum douglasii T. B. Salvato, Sandra Murcia 2007-3-28 2018 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  SBBG128372  Solanum elaeagnifolium M. L. Hoefs 1973-6-4 308 Los Angeles field above golf course #4 green, Avalon Cyn 53 Comment
  RSA613501  Solanum elaeagnifolium Louis C. Wheeler 1946-8-23 6229 Los Angeles Pomona: 861 Columbia Avenue. Comment
  POM220639  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1932-8-6 1125 Los Angeles 2 mi. NNE Claremont 427 Comment
  CAS-BOT-BC156849  Solanum umbelliferum Prof. W. R. Dudley 1907-12-18 s.n. Los Angeles Sawpit [Canon] Canyon (near Monrovia) Comment
  UCD127091  Solanum xanti Dan Axelrod 1932-3-21 s.n. Los Angeles 1 mile east of Claremont, Antelope Valley. Comment
  RSA127808  Solidago californica P. H. Raven, Henry J. Thompson 1959-9-27 14552 Los Angeles Latigo Canyon, 1.1 miles north of Coast Highway 213 Comment
  PASA1701  Solidago confinis Frank W. Peirson 1920-9-12 Los Angeles Bear Flat, trail to Mt. San Antonio 1706 Comment
  SEINET10970376  Sollya fusiformis Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4770 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CHSC98404  Sonchus oleraceus LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 236 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy land. On trail up out of canyon and going to the crest folllowing a ridge running northwest from the crest. 548 Comment
  RSA0036768  Sonchus oleraceus Toad 1981-3-3 0013 -81 Los Angeles 130 W. Grondahl, Covina. On NW corner of property. Comment
  RSA638813  Sonchus oleraceus Valerie L. Soza, Laura Moore 1999-6-30 589 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  SBBG13282  Sonchus oleraceus M. A. Piehl, P. H. Raven 1962-6-9 62358 Los Angeles China Pt, S of lighthouse 3 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
  UCR256966  Sorghum halepense Jeremiah George 2012-4-25 s.n. Los Angeles Compton, decommissioned railroad right-of-way NW of intersection of W Carob St. and South Acacia Ct., c. 1000 ft. west of Compton Creek channel, south of W Greenleaf Blvd., Rancho Dominguez area 21 Comment
  UCD15668  Spartium junceum Anne B. Overturf 1989-5-28 24 Los Angeles Eaton Canyon. 365 Comment
  RSA602077  Spergula arvensis L. C. Wheeler 1946-7-9 6220 Los Angeles San Gabriel: Garibaldi Avenue and San Gabriel Boulevard. Comment
  SD252308  Spergularia bocconi Steven A. Junak 2000-5-19 Sca 1326 Los Angeles Santa Catalina Island: on W side of 1st ridge W of Twin Rocks, ca. 0.44 mile SE of Goat Harbor. 285 Comment
  RSA0097928  Spergularia bocconi R. F. Thorne 1966-4-28 36208 Los Angeles Santa Catalina Island, along roadside to Renton Mine, Pebbly Beach Canyon. 244 Comment
  SD132653  Spergularia macrotheca M. B. Dunkle 1939-4-2 7205 Los Angeles San Clemente Island, southeast point. Comment
  RSA0098584  Spergularia villosa F. L. Robinson 1921-5-9 55 Los Angeles Claremont. Comment
  SEINET3150438  Sphaerostigma micranthum G. B. Grant 1233 Los Angeles Pasadena Comment
  UCR182741  Sphenosciadium capitellatum R. G. Swinney 1997-7-16 5658 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  RSA601158  Sporobolus cryptandrus L. C. Wheeler 1966-10-22 9045 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  UCR240251  Stachys Dan S. Cooper 2012-4-14 412- 22 B Los Angeles Western Transverse Range; Hollywood Hills, 1-mile Tree, off Western Canyon Rd., Griffith Park 270 Comment
  POM306198  Stachys albens Henry J. Ramsey, Henry J. Ramsey 1937-7-18 s.n. Los Angeles Altadena, San Gabriel Mts., Soldier's Creek. Comment
  UCR127386  Stachys albens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25527 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR210707  Stachys albens R. G. Swinney 2008-9-10 9412 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  SEINET9297262  Stachys bullata Unknown 2009-4-16 10350 Los Angeles San Gabriel Mountains Comment
  SFV12374  Stachys bullata D. L. Koutnik, V. Dawes 1978-5-12 480 Los Angeles Santa Monica Mountains Arroyo Sequit along Mulholland Highway. 549 Comment
  SFV5485  Stachys bullata W. A. Kelley Jun 1967 s. n. Los Angeles Santa Monica Mountains Stream near Fire Road #9, near Laurel Canyon. Comment
  UC1818706  Stachys bullata Richard S. Hood 1970-5-16 307 Los Angeles 1.9 mi n Pacific Coast Hwy. (on Tuna Canyon Road); Santa Monica Mtns., Tuna Canyon Comment
  UC57553  Stachys bullata J. H. Barber 1897-3-21 78 Los Angeles Santa Monica Forestry Station Comment
  SEINET3860008  Stanleya pinnata R. G. Swinney 2009-4-24 10433 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campground.; 0 915 Comment
  PASA2083  Stanleya pinnata Stason 1930-5-15 Los Angeles Lovejoy Buttes Comment
  RSA725069  Stanleya pinnata var. pinnata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -78 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 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
  SEINET269222  Stellaria media Scott D. White, Chet McGaugh 1995-5-16 3059 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts.'Sunshine Cyn': W of San Fernando Rd. and I-5 fwy SW of interchange w/ 457 Comment
  SFV6164  Stellaria media T. Gordon 1974-3-20 84 Los Angeles San Fernando Valley Los Angeles, Northridge. CSUN campus orange grove. 260 Comment
  UCR258708  Stellaria media R. G. Swinney 2010-3-16 11934 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
  RSA747283  Stellaria media R. G. Swinney 2008-5-30 8879 Los Angeles San Gabriel Mtns.: San Gabriel Canyon along old road/trail at El Encanto 256 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
  SFV12396  Stellaria nitens D. L. Koutnik 1978-5-2 454 Los Angeles Simi Hills. Bell Canyon. 427 Comment
  RSA139165  Stephanomeria blairii Reid V. Moran 1958-9-15 6824 Los Angeles San Clemente Island: canyon 1.8 miles SE of Eel Point. 100 Comment
  UC485641  Stephanomeria diegensis C. F. Millspaugh 1920-1-3 4534 Los Angeles Descanso Canyon Santa Catalina Island Comment
  UCR88661  Stephanomeria diegensis Scott D. White 1995-10-19 3709 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR209244  Stephanomeria exigua R. G. Swinney 2008-10-7 9480 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  JEPS36880  Stephanomeria exigua subsp. coronaria Frank W. Peirson 1923-8-31 4014 Los Angeles Blue Ridge San Gabriel Mountains 2529 Comment
  RSA95221  Stephanomeria pauciflora var. pauciflora F. W. Peirson 1928-9-4 8189 Los Angeles Rock Creek about 1 mile below Pallett Creek Comment
  RSA774736  Stephanomeria virgata R. G. Swinney 2009-6-17 11178 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA787282  Stephanomeria virgata R. G. Swinney 2009-7-29 11408 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC1870187  Stillingia linearifolia LeRoy Gross 2001-5-27 425 Los Angeles Los Angeles Basin region; Verdugo Mountains, northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek 305 Comment
  UCR24293  Stipa cernua John C. Roos 1945-3-14 s.n. Los Angeles Los Angeles, Olympic Blvd., west of Fox Studios Comment
  HSC83394  Stipa coronata D. L. Koutnik 1978-6-3 Los Angeles Dry Canyon - Cold Creek Rd., between Mulholland Hwy. and Old Topanga Canyon Rd. 305 Comment
  OBI25683  Stipa coronata David J. Keil 1977-4-30 12312 Los Angeles Ridge Rte, ca. 9 mi from jctn with Los Angeles Co Rd N-2 Comment
  OBI2591  Stipa coronata Larry E. Brown 1970-5-2 1796 Los Angeles Along State Rte 2, ca 5 mi from La Canada Comment
  UCR125633  Stipa coronata A. C. Sanders 2003-5-26 25863 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  UCR186412  Stipa hymenoides T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2081 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  RSA188167  Stylocline gnaphaloides R. F. Thorne 1966-4