Search Results — 2000 specimen records retrieved (1582 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
  RSA52488  Abronia maritima I. L. Wiggins 1949-2-22 11967 Los Angeles NW end of San Clemente Island Comment
  UC7623  Abronia pogonantha J. Burtt Davy May 9 1896-May 24 1896 2214 Los Angeles Antelope Valley Comment
  UCR193447  Abronia pogonantha R. G. Swinney 1999-6-18 7282 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  SBBG96659  Abronia umbellata S. Boyd with T. Ross, L. Arnseth 1990-4-7 4251 Los Angeles lower half of China Cyn, W side Comment
  HSC16145  Abronia villosa C. S. Apperson 1966-4-24 Los Angeles Junction of Palmdale Blvd. and 90th St. Comment
  CAS-BOT-BC412584  Acanthoscyphus parishii var. parishii James L. Reveal; Barbara J. Ertter 1976-6-28 4560 Los Angeles San Gabriel Mountains, along the Pacifico Mountain Road, 2.4 miles east of Mill Creek Summit 1767 Comment
  RSA0114708  Acer macrophyllum R. G. Swinney 2011-10-25 15869 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  UC870076  Acer macrophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6731 Los Angeles bottom of San Dimas Canyon San Dimas Canyon Comment
  UCR223129  Achillea millefolium R. G. Swinney 2009-7-22 11345 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  SEINET8911915  Achnatherum hymenoides D. J. M. 1991-1 Los Angeles Lake Los Angeles, Lovejoy Buttes in Lake Los Angeles 914 Comment
  UC1131584  Achnatherum hymenoides A. D. Gifford 1935-4-21 615 Los Angeles 2 1/2 mi nnw Manzana; Tejon Quadrangle Comment
  CAS-BOT-BC210902  Achnatherum parishii subsp. depauperatum Le Roy Abrams; E. A. McGregor 1908-7-3 623 Los Angeles Near Baldy Mountain, San Gabriel Mountains 2438 Comment
  RSA0013200  Achnatherum speciosum Orlando Mistretta, Christine Mistretta 2011-7-13 5935 Los Angeles Fall Creek Cyn near confluence with Big Tujunga Cyn, along Forest Road 3N27. 1005 Comment
  SDSU4280  Acmispon argophyllus var. adsurgens R. M. Beauchamp 1967-1-29 162 Los Angeles East side of Pyramid Cove below Marine outpost. Comment
  CAS-BOT-BC204775  Acmispon argophyllus var. argenteus Alice Eastwood 1917-7-20 6488 Los Angeles Santa Catalina Island Comment
  SD90500  Acmispon argophyllus var. argenteus Robert F. Thorne 1973-4-11 42875 Los Angeles San Clemente Island, NW part of island, dunes near Flasher 3 Comment
  SEINET5327399  Acmispon argophyllus var. argenteus G. B. Grant, Walter Wheeler 1904-4-21 708 Los Angeles Collected on Santa Catalina Island, Pacific Ocean, off Southern California Comment
  CATA110  Acmispon dendroideus var. dendroideus Mark L. Hoefs, A. Douglas Propst 1973-3-14 82 Los Angeles Santa Catalina Island: Cape Canyon 243 Comment
  UC557700  Acmispon dendroideus var. traskiae Nell Murbarger 1936-3-1 44 Los Angeles San Clemente Island. On both west and east sides of Island. Comment
  UCD104129  Acmispon glaber L. W. Nuttall 1920-5-1 58 Los Angeles Near top of road, summit. Comment
  UCD104242  Acmispon micranthus Louis C. Wheeler 1934-4-15 2526 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  SBBG68097  Acmispon strigosus R. Hoffmann 1927-6-11 Los Angeles near Castaic Comment
  UCD104443  Acmispon strigosus L. W. Nuttall 1920-5-15 210 Los Angeles Along the Coach Road, Santa Catalina Island. Comment
  SBBG117133  Acmispon wrangelianus S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1530 Los Angeles E of Little Harbor, near Sheep Chute Ridge Rd, ca. 0.5 mi from intersection with Little Harbor Rd 121 Comment
  POM6257  Acourtia microcephala I. M. Johnston 1918-7-22 2103 Los Angeles San Antonio Mountains, Cucamonga Canyon. 915 Comment
  UC75982  Acourtia microcephala Geo. B. Grant August 1902 945 Los Angeles Pasadena; Southern California Comment
  SFV9200  Adenocarpus battandieri D. L. Koutnik May 1975 s. n. Los Angeles Along fire road near Magic Mountain. 762 Comment
  CAS-BOT-BC133172  Adenostoma fasciculatum A. J. Hill 1963-8-25 s.n. Los Angeles Topanga Canyon near intersection with Entrada Drive Comment
  LA200814  Adenostoma fasciculatum Mary Reynolds; 1927-4-12 94 Los Angeles Santa Monica Mountains, Higgins Canyon Comment
  RSA682643  Adenostoma fasciculatum LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 946 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  RSA188325  Adenostoma fasciculatum var. fasciculatum Robert F. Thorne, Percy C. Everett 1965-6-22 34899 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road 183 Comment
  UC1127743  Adenostoma sparsifolium A. D. Gifford 1934-4-26 172 Los Angeles 3 mi. w. Castro Peak; Triunfo Pass Quad. Comment
  UCR224004  Adiantum capillus-veneris Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11692 Los Angeles Transverse Ranges; Verdugo Mountains region, Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservency reserve lands. Comment
  UCR182114  Adiantum jordanii R. G. Swinney 1994-5-7 2833 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  RSA0065475  Adiantum jordanii William Gilbert 1968-3-20 s.n. Los Angeles Glendora. Comment
  SEINET10482966  Aeonium haworthii Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4875 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
  UC1871266  Aesculus californica T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3862 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  CAS-BOT-BC183862  Agoseris retrorsa Timothy S. Ross; Steve Boyd 1994-5-4 7677 Los Angeles Dogwood Canyon: narrow canyon draining NW to Burns Canyon from the NE summit of Grass Mountain 1283 Comment
  UCR189888  Agoseris retrorsa R. G. Swinney 1998-7-27 6499 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  SEINET196195  Agrostis gigantea L. R. Abrams 1941-4-24 13952 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138. Comment
  UCR270807  Agrostis idahoensis R. G. Swinney 2011-8-17 15623 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR178792  Ailanthus altissima R. G. Swinney 1989-6-24 s.n. Los Angeles San Gabriel Mtns., Little Dalton Canyon 427 Comment
  SEINET10666943 Image available Allium cepa Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2574 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  RSA771903  Allium fimbriatum R. G. Swinney 2009-5-5 10631 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223014  Allium fimbriatum R. G. Swinney 2009-5-5 10631 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA632450  Allium fimbriatum var. fimbriatum L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 991 Comment
  RSA70220  Allium haematochiton F. W. Peirson 1921-4-21 2401 Los Angeles Trail below Sycamore Flat, on way to San Dimas, San Gabriel Mountains. Alt. 2600 ft. 793 Comment
  SBBG57513  Allium peninsulare M. N. Ackley -May-1924 626 Los Angeles Fish Cyn 2000 Comment
  CAS-BOT-BC475409  Allium praecox E. R. Blakley 1962-6-10 5243 Los Angeles Half way between Eel Point and seal Cove; San Clemente Island 45 Comment
  RSA0036425  Allophyllum glutinosum LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6981 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA726059  Allophyllum integrifolium R. G. Swinney 1997-6-25 5633 Los Angeles San Gabrial Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  CAS-BOT-BC170972  Alnus rhombifolia Lewis S. Rose 1935-12-26 34503 Los Angeles Arroyo Seco, Altadena Comment
  UCR270240  Alnus rhombifolia R. G. Swinney 2011-6-30 15402 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR109620  Alternanthera philoxeroides R. D. Goeden, Don W. Ricker 1965-9-23 s.n. Los Angeles San Gabriel Valley, Whittier Narrows 61 Comment
  RSA0019767  Amaranthus albus Orlando Mistretta, Christine Mistretta 2011-7-1 5890 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  SBBG133185  Amaranthus californicus B. C. Templeton 1942-10-14 6588 Los Angeles Griffith Park, near Municipal Nursery Comment
  UCR231395  Amaranthus deflexus Dan S. Cooper 2011-11-8 s.n. Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  POM193528  Ambrosia acanthicarpa L. R. Abrams 1930-9-19 12908 Los Angeles Vacant Lot. Comment
  SBBG12925  Ambrosia chamissonis E. R. Blakley 1962-6-10 5250 Los Angeles large beach dunes near Wall 2 20 Comment
  RSA187661  Ambrosia psilostachya R. F. Thorne 1966-9-14 36672 Los Angeles Santa Catalina Island. Where Isthmus road crosses Cottonwood Creek 30 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
  UC912555  Ambrosia salsola Herbert L. Mason 1926-4-26 2983 Los Angeles Vincent to Palmdale Comment
  UC450834  Amorpha californica var. californica Fay A. Macfadden 1931-4-25 2630 Los Angeles woods opposite Belmont Club; Verdugo Hills, Tuna Canyon Comment
  RSA91343  Amorpha californica var. californica F. W. Peirson 85 Los Angeles Near Kewen Lake, Pasadena Comment
Read comments
Oct 21 2014
  SBBG16885  Amsinckia menziesii var. menziesii K. A. Wilson 1961-3-7 948 Los Angeles Mulholland Hwy ca. 3 mi W of Las Virgenes Rd Comment
  RSA525313  Amsinckia tessellata W. Wisura 1991-4-27 4470 Los Angeles Along Lancaster Road, NW of Munz Ranch Road. Antelope Valley. Comment
  UCR264877  Amsinckia tessellata var. tessellata Mitch Provance, Callen Huff 2009-4-28 10667 Los Angeles Tehachapi Mountians, Steep slopes about 0.4 miles E of Gorman and 0.2 mi N of Hwy I-5 1255 Comment
  RSA0115707  Amsinckia vernicosa Andrew C. Sanders 2008-4-10 34789 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c.1 mile south of Neenach School, slopes N & E of VABM Pine. 915 Comment
  RSA607387  Ancistrocarphus filagineus L. C. Wheeler 1968-7-22 s.n. Los Angeles Devil's Canyon. 1433 Comment
  RSA639956  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1947-3-1 6459 Los Angeles San Gabriel Mountians: Eaton Canyon ca. 200 meters east of first fall. Comment
  RSA0113904  Androsace elongata subsp. acuta LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7548 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  RSA578728  Anisocoma acaulis Timothy S. Ross, J. Mark Porter 1994-5-1 7591 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA654562  Anthemis cotula Benjamen Rangel 1992-5-17 777 -47 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  PASA969  Antirrhinum glandulosum Margaret Stason 1930-6-1 Los Angeles Ridge Route Comment
  RSA425826A  Antirrhinum kelloggii Blanche Trask 1897-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCD123444  Antirrhinum kelloggii James Dilley 1997-4-13 s.n. Los Angeles Santa Monica Mountains, Corral Canyon Road, 0.5 miles south of pavement's end. 1 mile down fire road. Comment
  RSA582798  Antirrhinum multiflorum Tim S. Ross, Steve D. Boyd 1993-5-23 7286 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  RSA703502  Antirrhinum multiflorum Scott D. White 2004-7-28 10665 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  UCR181254  Antirrhinum multiflorum R. G. Swinney 1997-6-12 5564 Los Angeles San Gabriel Mtns, San Gabriel River Canyon north of Morris Dam, at private shore NE of dam 488 Comment
  UCR277030  Antirrhinum multiflorum R. G. Swinney 2010-5-25 12912 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  SBBG31219  Antirrhinum nuttallianum subsp. subsessile R. F. Thorne 1966-4-5 35876 Los Angeles lower portion of Cottonwood Cyn 106 Comment
  RSA150673  Aphanisma blitoides P. H. Raven 1962-5-8 17610 Los Angeles San Clemente Island: mouth of canyon at south end of Seal Cove 9 Comment
  SD237623  Aphyllon californicum subsp. feudgei R. G. Swinney 2009-5-6 10689 Los Angeles Transverse Range: San Gabriel Mountains/Western Mojave Desert: Carr Canyon at confluence with Little Rock Creek (Palmdale 7.5'Q) 908 Comment
  RSA151009  Apiastrum angustifolium P. H. Raven 1962-5-7 17584 Los Angeles San Clemente Island, 1 mile south of Wilson Cove 23 Comment
  RSA470288  Apiastrum angustifolium Anstruther Davidson 1914-5-1 2984 Los Angeles near Point Fermin Comment
  RSA596202  Apium graveolens Lauren Raz, Steve Boyd 1996-10-23 13 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
  UCSB4562  Apium graveolens Crum, Charles 1958-7-19 Los Angeles Topanga canyon roadside, near Los Angeles, California Comment
  SFV20828  Apocynum cannabinum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1109 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. South of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 457 Comment
  SDSU21068  Aquilegia formosa Ian Cain, Natasha Bartely 2010-6-23 1537 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 605 Comment
  UCR190805  Aquilegia formosa R. G. Swinney, Dave Larson 1999-6-12 7548 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  POM18142  Aquilegia formosa var. hypolasia P. A. Munz 1923-5-25 6810 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  UCR190544  Arabis R. G. Swinney 2000-6-19 7834 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UC1211162  Arabis glabra Huron H. Smith 1912-4-23 4807 Los Angeles Eagle Rock 213 Comment
  RSA66504  Arabis glabra F. W. Peirson 1919-4-9 390 Los Angeles Rubio Canyon. 549 Comment
  UCR223443  Arabis glabra var. glabra R. G. Swinney 2009-6-3 11059 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
  RSA0129416  Arabis perennans R. G. Swinney 1999-7-5 7506 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  SBBG119287  Arbutus menziesii V. Soza, L. Gross 1999-7-15 630 Los Angeles Helispot off Mt Wilson Trail, ca. 2.7 mi from trailhead in Sierra Madre; T1N R11W NW/4, NW/4 S9 822 Comment
  RSA611879  Arceuthobium campylopodum Louis C. Wheeler 1932-8-2 1115 Los Angeles Pine Flat, N Fork San Gabriel R., San Gabriel Mountains. 1738 Comment
  UCR141734  Arceuthobium divaricatum L. C. Wheeler 1973-3-17 s.n. Los Angeles San Gabriel Mountains, Punchbowl Canyon 1494 Comment
  UCR223915  Arctostaphylos glandulosa R. G. Swinney 2009-6-24 11280 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
  UCSB4729  Arctostaphylos glandulosa Ballard 1955-2-15 Los Angeles Lookout over San Gabriel Peak; San Gabriel Mt. Range 914 Comment
  RSA626719  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-11-15 25164 Los Angeles Shortcut, Angeles Crest Hwy. 1430 Comment
  RSA629089  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-6-18 15611 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  LA200423  Arctostaphylos glandulosa subsp. mollis Norman A. Cole; May 1964 374 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  RSA631421  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15984 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631636  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16018 Los Angeles Ridge Route, 23 km south of Liebre Gulch turnoff. 800 Comment
  RSA631703  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15841 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631708  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15678 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  RSA756172  Arctostaphylos glauca Orlando Mistretta, Christine Mistretta 2008-4-4 2337 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 53 per TRTP survey; 2008) 1220 Comment
  UCR95383  Arctostaphylos glauca L. C. Wheeler 1966-11-19 9138 Los Angeles San Gabriel Mtns., Dagger Flat vicinity, Pacoima Canyon 747 Comment
  SEINET11984070  Arctostaphylos glauca D. P. Reagan n d 22 Los Angeles about 2 mi W of Gorman Comment
  RSA128277  Arctostaphylos glauca var. glauca H. J. Thompson 1959-3-27 1883 Los Angeles Santa Monica Mountains: 0.5 mile east of peak, Saddle Peak, 701 Comment
  SBBG125328  Arctostaphylos parryana subsp. parryana A. Parikh, N. Gale 2010-6-19 3352 Los Angeles Upper Big Tujunga Cyn, 0.9 km W of Shortcut Station, 0.6 km N of St Hwy 2, San Gabriel Mtns 1247 Comment
  RSA634740  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20609 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.3 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1705 Comment
  RSA634814  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20228 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635059  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20361 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635195  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20392 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA250341  Arctostaphylos patula R. F. Thorne 1972-8-18 42244 Los Angeles San Gabriel Mts., Angeles National Forest: ridge running E from peak of Mt. Islip. 2407 Comment
  RSA635236  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20637 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  SD234373  Arctostaphylos patula R. G. Swinney 1998-8-13 6736 Los Angeles San Gabriel Mtns.: summit of Iron Mountain. South side of peak. 2427 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
  UCR157998  Arenaria macradenia var. arcuifolia Orlando Mistretta 1993-6-28 909 Los Angeles San Gabriel Mtns, Angeles National Forest, [Table Mountain,] on summit ridge running west 2287 Comment
  UC57615  Arenaria macradenia var. macradenia J. H. Barber 1897-7-11 n 18 Los Angeles Mt. Gleason Summit Comment
  UC854928  Argemone munita C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4614 Los Angeles Boquet Canyon 600 Comment
  UCR259558  Argemone munita R. G. Swinney 2010-9-7 13683 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA434293  Argemone munita N. R. Zabriskie, John Arozena, Miriam Arozena 1971-4-26 408 Los Angeles Loomis Ranch west of Chilao, San Gabriel Mtns. 1296 Comment
  RSA660416  Argemone munita Orlando Mistretta 1992-5-21 387 Los Angeles Right Star Mine, S of Acton. Comment
  RSA417234  Artemisia californica George R. Johnston 1934-5-20 18972 Los Angeles Descanso Canon, Santa Catalina Island. Comment
  RSA670297  Artemisia californica Joseph M. Keefe 2001-3-19 31140 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  RSA417272  Artemisia douglasiana F. R. Fosberg 1931-10-11 7214 Los Angeles Topanga Canyon. Santa Monica Mts. Comment
  UCR141850  Artemisia douglasiana R. G. Swinney 1997-9-6 5860 Los Angeles San Gabriel Mountains, Mescal Picnic Park [= Mescal Campground] about 200 m N of Big Pines Rd along Mescal Canyon bottom. 1854 Comment
  RSA158251  Artemisia nesiotica Peter H. Raven 1962-5-9 17709 Los Angeles Wilson's Cove, San Clemente Island 46 Comment
  SD52942  Artemisia nesiotica Peter H. Raven 1962-5-9 17709 Los Angeles San Clemente Island; Wilson Cove. 45 Comment
  RSA611050  Arundo donax L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 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
  RSA0104734  Asclepias eriocarpa LeRoy Gross 2001-5-27 420 Los Angeles 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. 470 Comment
  UC1584930  Asclepias eriocarpa Tim Ross, Steve Boyd 1991-7-24 5606 Los Angeles ridge nne Granite Mountain; Pacifico Mountain USGS 7.5' quad 1892 Comment
  UCR186410  Asclepias eriocarpa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2084 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  RSA729837  Asclepias fascicularis R. G. Swinney 1999-6-21 7355 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  SEINET179623  Asclepias fascicularis Victor Duran 1933-8-11 3547 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1524 Comment
  RSA191635  Asclepias fascicularis R. F. Thorne, M. Z. Thorne 1966-8-29 36588 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: below fountain near lodge, N end Crystal Lake at upper end of canyon of N Fork of San Gabriel River 1676 Comment
  UC1063742  Aspidotis californica R. St. John 1933-2-18 342 Los Angeles e Calabasas Peak; Calabasas Quadrangle 548 Comment
  UCR259160  Aspidotis californica R. G. Swinney 2010-8-30 13624 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
  POM281095  Aspidotis californica Lyman Benson 1945-1-20 11590 Los Angeles Upper end of upper reservoir, San Gabriel River Canyon. San Gabriel Mountains, Pacific Slope drainage. 427 Comment
  RSA417627  Aster bernardinus F. R. Fosberg 1930-10-18 4113 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  CAS-BOT-BC27560  Aster greatae L. A. Greata 1900-9-1 s.n. Los Angeles Eaton Canyon. Pasadena. Comment
  UCR70772  Aster greatae I. M. Johnston 1917-9-16 1725 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Coldwater Fork of Cattle Cyn. 1223 Comment
  RSA18725  Astragalus bicristatus Marcus E. Jones 1937-1 s.n. Los Angeles San Gabriel Mountians Comment
  UCD104716  Astragalus didymocarpus P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Comment
  POM19199  Astragalus lentiginosus var. variabilis P. A. Munz 1923-5-27 6907 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  UC1215214  Astragalus miguelensis Peter H. Raven 1962-4-11 17298 Los Angeles sandy beach behind Northwest Harbor (San Clemente Island); , behind Northwest Harbor 6 Comment
  UC557630  Astragalus miguelensis Nell Murbarger 1936-4-1 115 Los Angeles w side and s end San Clemente Island (in warm sandy locations near the ocean); w side and s end San Clemente Island Comment
  RSA598528  Astragalus nevinii J. P. Rebman, Jonathan Dunn 1996-4-29 3113 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island. 15 Comment
  SDSU19657  Astragalus nevinii Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas 2000-7-19 2185 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  UCR180561  Astragalus purshii var. tinctus Scott D. White, Pam Devries 2006-5-10 11428 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
  CAS-BOT-BC193027  Astragalus purshii var. tinctus Paul F. Covel 1938-4-20 1165 Los Angeles Antelope Valley east Gorman Comment
  UC55018  Astragalus pycnostachyus var. lanosissimus H. P. Chandler 1902-9-9 2045 Los Angeles Ballona Marshes Comment
  UCR70744  Astragalus trichopodus subsp. antisellii P. A. Munz, M. E. Jones 1934-4-26 s.n. Los Angeles Western Transverse Range, Castaic Canyon, Ridge Road Comment
  CAS-BOT-BC194036  Astragalus trichopodus var. lonchus Alice Eastwood 1906-5-27 159 Los Angeles San Pedro Comment
  LA82134  Astragalus trichopodus var. lonchus O. H. Kappler; 1941-3-12 710 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, Topanga Canyon State Park, 2.75 mi up Topanga Canyon Blvd. 152 Comment
  RSA126738  Astragalus trichopodus var. lonchus P. H. Raven 1959-3-15 13857 Los Angeles Just behind dunes E of Zuma Beach. Point Dume. 9 Comment
  HSC14542  Astragalus trichopodus var. phoxus David Porter 1965-4-29 Los Angeles .5 mi. N of Topanga Canyon, Santa Monica Mtn. 412 Comment
  IRVC28597  Astragalus trichopodus var. phoxus A. C. Sanders, Mark Elvin 2002-6-19 25198 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 282 Comment
  POM1846  Astragalus trichopodus var. phoxus H. M. Hall 1902-5-3 3096 Los Angeles San Francisquito Pass 609 Comment
  RSA600434  Astragalus trichopodus var. phoxus L. C. Wheeler 1931-11-11 349 Los Angeles Santa Monica Mountains: 1 mile SW of Girard. 426 Comment
  UCR252766  Astragalus trichopodus var. phoxus R. G. Swinney 2010-3-10 11809 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  OBI71769  Astragalus trichopodus var. trichopodus Suzan Barth, Steven Korenstein 1994-5-18 15 Los Angeles Towsley Cyn. Ed Davis Park 50 m S of upper parking lot 340 Comment
  RSA611646  Athysanus pusillus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10126 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1054 Comment
  RSA708578  Athysanus pusillus Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1164 Los Angeles Ridgetop above McDonald Creek. 427 Comment
  CDA31250  Atriplex californica M. O'Brien 2010-5-16 s.n. Los Angeles Santa Monica Mountains; El Matador State Beach. 15 Comment
  JEPS85111  Atriplex canescens Roy E. Buck, Rexford Palmer 1989-4-28 1221 Los Angeles ca 0.5 air km e Pyramid Rock summit (21 air km nw of Castaic, Piru Gorge below Pyramid Dam, in large w-draining side canyon (next large canyon s of Posey Canyon) near mouth); Piru Gorge below Pyramid Dam, s of Posey Canyon 731 Comment
  UCR166083  Atriplex canescens subsp. linearis Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  CAS-BOT-BC172647  Atriplex coulteri Parish 1904-4-1 2313 Los Angeles Santa Catalina Id., Isthmus Comment
  SBBG105330  Atriplex lentiformis subsp. breweri R. M. Beauchamp 1975-8-17 4010 Los Angeles above beach at Pyramid Cove Comment
  POM121940  Atriplex lentiformis subsp. breweri H. E. Hasse 1890-09 s.n. Los Angeles Santa Monica Comment
  POM122757  Atriplex leucophylla Marcus E. Jones 1925-9-19 s.n. Los Angeles Seal Beach Comment
  RSA102292  Atriplex orbicularis S. B. Parish, W. F. Parish 1881-10 1126 Los Angeles Santa Monica Comment
  CATA3140  Atriplex pacifica Sarah Ratay 2010-12-14 133 Los Angeles Santa Catalina Island: Ridge above Balboa Yacht Club, to the west 39 Comment
  CAS-BOT-BC176524  Atriplex polycarpa Ernest C. Twisselmann 1970-9-8 17480 Los Angeles Antelope Valley: Avenue A at 50th Street 731 Comment
  RSA187653  Atriplex prostrata R. F. Thorne 1966-9-14 s.n. Los Angeles Santa Catalina Island, Little Harbor 5 Comment
  SEINET4136267  Atriplex semibaccata Steve Boyd, Valerie Soza; Victoria Jotikasthira; L. Raz 1996-7-11 8907 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake.; 0 Comment
  UC1587710  Atriplex semibaccata Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5064 Los Angeles rocky draw sw of and above pier operations San Clemente Island (Lower Wilson Cove Canyon); , Lower Wilson Cove Canyon 15 Comment
  UCD169504  Atriplex suberecta R. G. Swinney 2008-12-6 9978 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel. 229 Comment
  UCR247547  Atriplex suberecta Dan S. Cooper 2013-7-29 713- 32 Los Angeles South Coast, Torrance; vacant lot just SW if Crenshaw Blvd. and East 208th St. intersection 23 Comment
  RSA50602B  Atriplex torreyi Eugene Wells 1909-11-27 s.n. Los Angeles Lancaster Comment
  SD90533  Atriplex watsonii Robert F. Thorne 1973-4-12 42896 Los Angeles San Clemente Island, China Point at end of road. 14 Comment
  CAS-BOT-BC146036  Avena barbata A. J. McClatchie 1895-4-1 s.n. Los Angeles Pasadena. Comment
  LA105404  Avena barbata Barry A. Prigge; 8507 Los Angeles between Falls Creek and Devil Canyon: ca 1 air mi NE of junction of Simi Valley Frwy and Topanga Canyon blvd 502 Comment
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Nov 11 2014
  RSA251428  Avena barbata R. F. Thorne 1966-4-17 36145 Los Angeles San Clemente Island: Near Lemon Tank S of Nanny, NE side of island. 305 Comment
  SDSU759  Avena barbata R. M. Beauchamp 1967-1-28 140 Los Angeles San Clemente Island, growing on grassy field on knoll near onld indian campsite west of Lemon Tank. Comment
  HSC9020  Avena fatua C. E. Fellows 1965-12-20 192 Los Angeles City of Reseda, 0.5 mi. S of Victory Blvd. on the Balboa Blvd. at Los Angeles River Comment
  RSA756078  Azolla filiculoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27131 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  SBBG31306  Azolla filiculoides R. F. Thorne 1966-9-14 Los Angeles lower Middle Ranch Cyn, ca. 0.75 mi above Ben Weston Beach 53 Comment
  UCR209966  Azolla filiculoides R. G. Swinney 2008-9-9 9335 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  SD85105  Azolla filiculoides Martin A. Piehl 3-6 Oct 1962 62522 Los Angeles Santa Catalina Island, Cottonwood Creek at bridge along main road, west side of island Comment
  UCR81449  Baccharis glutinosa F. R. Fosberg 1930-10-18 S- 4110 Los Angeles Coastal Plains and Basins; Los Angeles Basin, [Dominguez] Slough, Gardena 10 Comment
  RSA0008307  Baccharis malibuensis James Henrickson 1991-9-27 22451 Los Angeles 6 (air) miles nw of Malibu, 1.2 miles nw of w end of Malibu Lake on north slopes of flat top hill. 229 Comment
  RSA0008311  Baccharis malibuensis James Henrickson 1993-9-3 22470 Los Angeles 0.3 miles E of Las Virgenes Road along Las Virgenes Canyon Road towards Cottontail Ranch. plant under powerlines on north side of road across from home at 1643 Las Virgenes Canyon Road; On Soka University Property 235 Comment
  LA31674  Baccharis pilularis Peter H. Raven; 1959-10-4 14566 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 Comment
  RSA617180  Baccharis pilularis R. G. Swinney 1989-8-23 s.n. Los Angeles San Gabriel Mtns, and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries, Little Dalton Canyon, Little Dalton Debris basin 366 Comment
  RSA657106  Baccharis plummerae subsp. plummerae Carl Wishner 2000-10-13 3951 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot. 58 Comment
  CAS-BOT-BC98168  Baccharis salicifolia Marcus E. Jones 1882-2-25 3021 Los Angeles Pasadena Comment
  LA94396  Baccharis salicifolia Norman A. Cole; May 1964 383 B Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  UCR270106  Baccharis salicifolia R. G. Swinney 2011-3-17 14123 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCD129478  Baccharis salicifolia subsp. salicifolia Gordon Pilone 1960-4-21 13 Los Angeles Little Dalton Canyon above Glendora. San Gabriel Mountain Range. 365 Comment
  RSA727622  Bahiopsis laciniata R. G. Swinney 1998-5-4 6045 Los Angeles San Gabriel Valley: Irwindale-Azusa boundary, old gravel pit immediately north of 210 Fwy. 168 Comment
  JEPS26374  Balsamorhiza deltoidea Ernest C. Twisselmann 1959-6-2 5319 Los Angeles summit of Liebre Mountain Liebre Mountain 1638 Comment
  RSA12650  Bassia hyssopifolia C. B. Wolf 1934-8-16 6048 Los Angeles Bryant Ranch east of Long Beach., T4S R12W. 300 ft east of center of sect. 34 & 100 ft. so. of no. line of same 4 Comment
  CAS-BOT-BC75750  Berberis nevinii J. C. Nevin 1885-1-1 s.n. Los Angeles San Fernando. Comment
  CAS-BOT-BC75762  Berberis nevinii Elmer I. Applegate 1931-11-2 6826 Los Angeles San Fernando Wash, San Fernando. Comment
  SBBG37272  Berberis nevinii V. Soza, C. Bruscha, R. Bruscha, B. O'Brien, G. Wallace, S. Young 2000-11-16 1060 Los Angeles Griffith Park at water tank 113, N of Mt Hollywood, Del Valle Drive; Santa Monica Mtns 335 Comment
  UCR52148  Berberis nevinii Steve Boyd, Dave Kelly 1986-6-20 1959 Los Angeles Transverse range, San Francisquito Canyon at LADWP pump station #2 Comment
  SFV1328  Berberis pinnata M. L. Vincent 1962-4-6 160 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 2 miles west of New Topanga Road. Rocky hillside. Comment
  UC483195  Bergerocactus emoryi L. R. Abrams and I. L. Wiggins 1931-7-6 420 Los Angeles San Clemente Island; San Clemente Island, vicinity of Mosquito Harbor Comment
  SDSU6502  Bidens pilosa F. Young Berg 1933-10-9 1564 Los Angeles Orange orchard near Claremont. Comment
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Mar 3 2009
  LA211126  Bituminaria bituminosa Arthur C. Gibson; Jorge Ochoa 2009-4-18 5255 Los Angeles Hollywood Hills, Cedar Grove of Griffith Park. Comment
  SEINET11838156  Blennosperma nanum C. G. Pringle 1882-1 s.n. Los Angeles Wilmington Comment
  RSA601574  Bloomeria crocea L. C. Wheeler 1967-6-16 9845 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  UC450800  Bloomeria crocea Fay A. Macfadden 1931-4-28 80 E Los Angeles Tuna Canyon Verdugo Hills 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
  RSA652692  Bloomeria crocea Phillip Robinson 1991-5-19 368 Los Angeles Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd and Workman Mill Road. 1.75 miles east of Workman Mill Rd on trail into canyon. [City of Industry, SW of Rio Hondo College, east of 605 Fwy] Comment
  RSA674839  Boechera Scott D. White, Kent Hughes 2000-5-16 7835 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA649611  Boechera californica Lori Ackerman, Gerald Braden 1988-4-22 16 Los Angeles North end of West Fork [San Gabriel] River. Comment
  CAS-BOT-BC30970  Bolboschoenus maritimus Ernest Braunton 1902-9-1 677 Los Angeles Los Angeles. Comment
  UCD169667  Bolboschoenus robustus Louis C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. 116 Comment
  RSA682648  Bougainvillea glabra LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber. 2003-6-17 1033 Los Angeles South side of mountains:West side of Brand Canyon just a short distance above the cemetery. 307 Comment
  UCR76422  Bowlesia incana T. S. Ross, E. Kellogg 1992-4-12 6128 Los Angeles San Clemente Island, Head of Grove Cyn. 459 Comment
  RSA0014966  Boykinia rotundifolia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11694 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  RSA466771B  Boykinia rotundifolia Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail Comment
  SEINET3921354  Brachypodium distachyon Francis Raymond Fosberg 1931-5-22 S 4964 Los Angeles Isthmus Harbor. Santa Catalina Island.; 0 3 Comment
  UCR213507  Brachypodium distachyon A. C. Sanders, Karen Kirtland 2010-5-14 38351 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  UCR242920  Brassica geniculata R. G. Swinney 2009-8-6 11514 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR281333  Brassica geniculata R. G. Swinney 2014-5-27 16670 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  CAS-BOT-BC168645  Brassica nigra Jennifer H. Jones 2006-5-27 339 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns.: South Hills Park Glendora. E of Grand Avenue and S of Alosta Avenue 244 Comment
  RSA0066338  Brassica nigra S. Koukol, E. Lutz 1998-4-26 11 Los Angeles Claremont, along W side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  SEINET10626302  Brassica rapa Heidi H. Schmidt 1999-10-14 Schmidt 3814 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  POM305060  Brassica rapa Henry J. Ramsey, Henry J. Ramsey 1937-1-2 359 Los Angeles Altadena. 396 Comment
  RSA482922  Brassica rapa B. C. Templeton 1933-7-20 5050 Los Angeles Big Pines Park 2090 Comment
  SD31168  Brassica rapa Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Hills Comment
  LA31693  Brickellia californica Peter H. Raven; Henry J. Thompson 1959-10-31 14725 Los Angeles Santa Monica Mountains, Mandeville Canyon, 5.8(?) mi N of Sunset Blvd 365 Comment
  POM294582  Brickellia californica Lyman Benson 1945-12-10 11974 Los Angeles Mouth of Dalton Canyon. San Gabriel Mt. Ranges. 335 Comment
  POM351113  Brickellia californica Anstruther Davidson 1889-09 2006 Los Angeles Los Angeles Comment
  POM351118  Brickellia californica Samuel R. Tyson 1942-10-30 s.n. Los Angeles San Dimas Canyon. 457 Comment
  UCR210011  Brickellia californica R. G. Swinney 2008-10-7 9465 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  RSA729961  Brickellia microphylla R. G. Swinney 1998-10-24 7026 Los Angeles San Gabriel Mtns.: lower North Fork Lytle Creek ('Alpine Canyon'), east of saddle between Dawson Pk. and Pine Mtn. 2146 Comment
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Jun 7 2016
  UCR67647  Brickellia nevinii T. S. Ross, O. Mistretta 1990-10-24 3294 Los Angeles San Gabriel Mtns., San Gabriel Mountains, 0.6 mi. east of the San Gabriel Reservoir 745 Comment
  SEINET12044749  Brodiaea minor S. B. Parish 1887-1 s.n. Los Angeles Elizabeth Lake Comment
  POM294723  Bromus Lyman Benson 1946-5-13 12086 Los Angeles Midway between Pomona and Brea. Pacific Slope Drainage Area, Puente Hills. Alt. 900 feet. 274 Comment
  CAS-BOT-BC149416  Bromus berteroanus Timothy S. Ross 1991-4-28 4761 Los Angeles Adobe Mountain. Southwesterly extension of the mountain. 975 Comment
  LA13782  Bromus carinatus Marjorie Bowler; 1937-10-6 26 Los Angeles street car track on Venice Blvd., Venice Comment
  RSA595656  Bromus carinatus Timothy S. Ross, Victor W. Steinmann 1995-5-8 8551 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  SEINET2473417 Image available Bromus carinatus Richard G. Swinney 2009-1 11034 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
  SEINET4345041  Bromus carinatus G. B. Grant 1904-4-27 117 a/6162 Los Angeles Pasadena, So. Cal. Comment
  RSA598089  Bromus carinatus var. carinatus Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3786 Los Angeles San Gabriel Mountains. Natural depression SSW of Crystal Lake 1692 Comment
  RSA604198  Bromus carinatus var. carinatus L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  UC167146  Bromus carinatus var. carinatus Geo. B. Grant Jun 15 1906-Jun 18 1906 Los Angeles San Gabriel Mountains, Summit of Mount Wilson Mount Wilson; San Gabriel Mountains, Mount Wilson 1828 Comment
  UCR108642  Bromus carinatus var. carinatus L. C. Wheeler 1970-5-4 s.n. Los Angeles Altadena, 55 E. Pine Street Comment
  RSA0030744  Bromus carinatus var. carinatus Orlando Mistretta 1995-6-21 1823 Los Angeles San Gabriel Mountains: Emma section, lower Little Rock Creek drainage. Along road near Guard Station. 960 Comment
  RSA595324  Bromus catharticus D. L. Banks 1996-4-24 910 Los Angeles Claremont, localized escape in the lawn at the corner of Doane Ave. & Guilford Ave., The lawn has not been mowed in several weeks and is hosting several other escaped grass species, as well as introduced broad-leaved weeds such as Cerastium vulgare, Cotula australis, Erodium cicutarium, Brassica sp., etc. Comment
  SEINET3922291  Bromus diandrus Kelly Middleton, Kelly Middleton 1988-5-8 40 Los Angeles Glendora Ridge Roas, 5.7 miles west of Mt. Baldy Rd. intersection.; 0 1219 Comment
  UCR280683  Bromus diandrus R. G. Swinney 2014-5-27 16671 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  UCSB355  Bromus diandrus Albright, S. 1957-5-20 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  RSA527589  Bromus hordeaceus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4414 Los Angeles San Clemente Island. E side of island, Bryce Canyon near Malo Point. Comment
  RSA599505  Bromus hordeaceus Steve Boyd, Lauren Raz 1997-3-26 9330 Los Angeles Liebre Mountains Region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1098 Comment
  RSA599844  Bromus hordeaceus Steve Boyd, Lauren Raz 1997-5-6 9761 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA732909  Bromus hordeaceus R. G. Swinney 1997-6-25 5654 Los Angeles San Gabriel Mtns.: west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  RSA0091873  Bromus madritensis Steven A. Junak 2001-5-18 SCa- 1531 Los Angeles Santa Catalina Island. Avalon Canyon, at Wrigley Memorial Garden. Comment
  CATA702  Bromus madritensis subsp. rubens Mark L. Hoefs 1995-5-10 1199 Los Angeles Santa Catalina Island: Avalon Canyon, near #7 tee of golf course and horse trail 97 Comment
  CATA884  Bromus madritensis subsp. rubens Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1697 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  SD69357  Bromus madritensis subsp. rubens Robert P. Thorne, P. Everett 1965-5-10 34454 Los Angeles Santa Catalina Island; Echo Lake; weedy area around Lake 410 Comment
  SDSU960  Bromus madritensis subsp. rubens H. Wedberg 1966-4-3 1193 Los Angeles Above Hill Drive x neal, Eagle Rock 457 Comment
  POM50875  Bromus pseudolaevipes Le Roy Abrams 1901-06 1704 Los Angeles Santa Monica Mountains, Saddle Peak. Comment
  RSA533417  Bromus rubens Timothy S. Ross 1991-4-21 4526 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon, vicinity of old water tank. 229 Comment
  RSA534669  Bromus rubens Orlando Mistretta, Mike Hammit 1991-5-19 5248 Los Angeles San Clemente Island: Westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage begning 800 ft. N of rest [1336'] marker; 1800 ft. SE of Malo Knoll [1396']) Beginning of drainage 389 Comment
  UCR190729  Bromus rubens R. G. Swinney 1990-3-23 1540 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR200001  Bromus rubens Valerie Soza, Mariam Sidibeh 2003-3-26 1614 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  UCR223663  Bromus rubens R. G. Swinney 2009-6-12 11129 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
  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
  CATA3438  Caesalpinia spinosa Julia Parish, Peter Dixon 2017-8-22 032 Los Angeles Santa Catalina Island: Interior; Black Jack Campground, Southwest hillside among pines 465 Comment
  LA51496  Cakile edentula O. H. Kappler; 1944-4-1 565 Los Angeles Santa Monica Mountains, Zuma Beach 7 Comment
  CATA3302  Cakile maritima Amy Catalano, Jen Dreizehn 2017-3-16 019 Los Angeles Santa Catalina Island: Rippers Cove 4 Comment
  RSA466543  Calandrinia ciliata M. B. Dunkle 1929-4-21 2138 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  RSA0116195  Calandrinia ciliata Steven A. Junak 2000-4-15 SCa- 1204 Los Angeles Santa Catalina Island. On W side of road to Lone Tree, ca. 0.1 mi. from junction w/ Divide Road. 479 Comment
  RSA466548  Calandrinia ciliata Charles F. Seymour 1902-3-27 s.n. Los Angeles University Of Southern California, (college campus). Comment
  CATA662  Calandrinia menziesii Mark L. Hoefs 1991-4-23 1151 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  NY465059  Callitriche marginata H. E. Hasse 1890-3-18 4795 Los Angeles Near Santa Monica Comment
  RSA0081390  Calocedrus decurrens R. G. Swinney 2010-9-13 13810 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA786900  Calocedrus decurrens Doris Bowers 1957-4-27 36 Los Angeles Camp LaVerne, Barton Flats 2134 Comment
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Jul 19 2013
  LA33471  Calochortus albus Henry J. Thompson; 1959-4-19 1936 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  RSA377236  Calochortus albus H. Twining 1890-04 s.n. Los Angeles Colton, dry river bed Comment
  RSA785914  Calochortus albus K. Dobry 1992-4-9 327 Los Angeles West Santa Monica Mts. along E Arroyo Sequit 5 mi No. of Pacific Coast Hwy. At camp Shalom Comment
  CAS-BOT-BC487468  Calochortus albus Joseph Andorfer Ewan 1933-7-4 7860 Los Angeles E Fork Santa Anita Canyon; San Gabriel Mts. 1066 Comment
  CAS-BOT-BC492127  Calochortus albus Henry J. Thompson 1951-5-13 1474 Los Angeles Triunfo Canyon, at mouth of Lobo Canyon, Triunfo Pass Quadrange, Santa Monica Mts., western Los Angeles Co., near Cornell. 243 Comment
  SEINET3884913  Calochortus catalinae Keith Dobry 1991-5-22 D 627 Los Angeles Santa Monica Mts. 1 mi E of Las Virgenes off Mullholland Hwy. At Soka Univ. NE section.; 0 Comment
  SEINET4169778  Calochortus catalinae B. C. Templeton 1939-4-19 Los Angeles Huntington Palisades Comment
  UC1601656  Calochortus invenustus I. M. Johnston 1917-7-4 1397 Los Angeles s slope Baldy; San Antonio Mountains 2286 Comment
  UCR205277  Calochortus splendens Valerie Soza, LeRoy Gross 2001-5-22 1236 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat 686 Comment
  SBBG57742  Calochortus striatus W. B. Holt 1939-5-14 259 Los Angeles Lancaster Comment
  UC843716 Image available Calochortus venustus L. R. Abrams 1927-4-30 11667 Los Angeles Grapevine Grade Tejon Pass Comment
  UC1136684  Calyptridium monandrum Jerome S. Horton 1936-5-4 318 Los Angeles divide between North Fork and West Fork (San-Dimas Watershed, San Dimas Canyon, West Fork Road); San Dimas Experimental Forest, San Dimas Canyon, West Fork R 762 Comment
  RSA225930  Calyptridium parryi R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41066 Los Angeles Angeles National Forest: summit of Mt. San Antonio (Old Baldy) 3067 Comment
  RSA716890  Calystegia longipes LeRoy Gross 2006-6-19 2519 Los Angeles Forest Service road survey: Santa Clara Divide. Along road (3N17.6) from North Fork Saddle Station east to near 34.37875, 118.23062. Comment
  SFV2829  Calystegia macrostegia P. G. Kilburn 1958-3-1 628 Los Angeles Point Dume, just south of Zuma Beach. 3 Comment
  UC1794976  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-24 20006 Los Angeles San Gabriel Mountains, Mount Baldy Road above Claremont 800 Comment
  RSA394913  Calystegia macrostegia subsp. intermedia Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  UCR195262  Calystegia macrostegia subsp. intermedia Valerie Soza, Mariam Sidibeh 2003-3-26 1602 A Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Haines Canyon Park vicinity, SSW of Dorothy and Estepa Drive intersection 549 Comment
  CAS-BOT-BC215913  Calystegia peirsonii Lauren Raz; Steve Boyd 1997-4-30 9605 Los Angeles 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, Liebre Mountains 914 Comment
  CAS-BOT-BC215915  Calystegia peirsonii Timothy S. Ross; Steve Boyd 1994-5-25 7949 Los Angeles Hanging basin ca 470-830 m W of Warm Springs Mtn. Summit. The collections from ca 600-800 m WSW of summit, Necktie Basin, Liebre Mountains 1075 Comment
  IRVC27970  Calystegia peirsonii A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26128 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
  RSA0042677  Camissonia Laura Moore, Jean Moore 1999-4-25 030 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  RSA647970  Camissonia Michelle Manolovitz, Brian Manolovitz 1992-5-12 18 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 400 feet northwest of park office. Comment
  UCR55753  Camissonia bistorta J. A. Adams 1963-4-16 5 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  RSA465662  Camissonia bistorta E. A. Purer, F. Detmers 1931-3-12 s.n. Los Angeles El Segundo. Comment
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Nov 21 2019
  UCR193667  Camissonia boothii R. G. Swinney 1999-6-28 7425 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA570058  Camissonia californica Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4885 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  RSA611836  Camissonia campestris Steve Boyd, Valerie Soza 1998-4-28 10176 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  UCR222731  Camissonia campestris R. G. Swinney 2009-5-12 10729 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
  RSA454046  Camissonia cheiranthifolia subsp. suffruticosa A. Menke 1955-3-26 s.n. Los Angeles Point Dume, California. Comment
  UCR187023  Camissonia graciliflora A. C. Sanders 2006-4-25 32158 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA448984  Camissonia hirtella Robert L. Dressler 1949-6-18 883 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  RSA517119  Camissonia hirtella Tim S. Ross, Steve D. Boyd 1990-5-14 2474 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1015 Comment
  RSA75447  Camissonia hirtella F. W. Peirson 1919-6-14 478 Los Angeles Rock Creek [Big?] 1524 Comment
  RSA454083  Camissonia lewisii Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  RSA0096981  Camissonia strigulosa Richard G. Swinney 2011-5-31 14906 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA509589  Camissonia strigulosa Louis C. Wheeler 1967-5-23 9679 Los Angeles San Gabriel Mts., Angeles National Forest: ravine immediately SW of mouth of Bear Canyon of Soledad Canyon, dry sunny ridge about low bushes. 671 Comment
  SBBG126884  Camissoniopsis bistorta A. Parikh, N. Gale 2011-5-19 3391 Los Angeles San Gabriel River, Whittier Narrows Nature Center, 0.2 km SE of Durfee Ave, 0.8 km SW of Peck Rd 67 Comment
  CAS-BOT-BC160428  Camissoniopsis cheiranthifolia subsp. suffruticosa L. R. Abrams 1901-5-28 1679 Los Angeles Ballona Harbor Comment
  UC66875  Camissoniopsis cheiranthifolia subsp. suffruticosa N. K. Berg 1904-3-8 Los Angeles Redondo Comment
  CAS-BOT-BC160436  Camissoniopsis cheiranthifolia subsp. suffruticosa Julia A. Bettys 1929-5-20 s.n. Los Angeles Manhattan Beach, Los Angeles Comment
  LA46737  Camissoniopsis intermedia Carl Epling; Harvey Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  UC1537656  Camissoniopsis micrantha Gordon H. True Jr. 1938-6-22 883 Los Angeles near Bouquet Dam (roadside); Bouquet Canyon 609 Comment
  UC1595296  Cardamine oligosperma Tim Ross 1991-3-10 4213 Los Angeles e side RSA (Bernard Field Station, e side Rancho Santa Ana Botanic Garden); Claremont, Bernard Field Station, e side Rancho Santa Ana 391 Comment
  SEINET4044454 Image available Carduus pycnocephalus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 213 Comment
  UCR256476  Carduus pycnocephalus R. G. Swinney 2010-6-8 13206 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  UCR280879  Carduus pycnocephalus R. G. Swinney 2014-5-15 16525 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
  CAS-BOT-BC18180  Carex C. B. Clokey; B. C. Templeton; I. W. Clokey 1930-5-13 4613 Los Angeles South end of Bouquet Canyon. 500 Comment
  UC822622  Carex alma Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Secco 975 Comment
  UCR273809  Carex alma R. G. Swinney 2011-6-15 15198 A Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA577528  Carex densa L. C. Wheeler 1933-5-13 1727 Los Angeles Cobal Canyon 487 Comment
  RSA310126  Carex fracta Wayne E. Sawyer 1980-7-3 6 Los Angeles Angeles National Forest: CA. Higway 2 between Dawson Saddle and junction of Higway 39, 1.6 mile from Dawson Saddle 2302 Comment
  CAS-BOT-BC21762  Carex hassei Robert F. Thorne; J. Dourley 1967-10-10 37361 Los Angeles 1.5 miles E of Dawson Saddle. San Gabriel Moutains, Angeles National Forest. 2331 Comment
  RSA600053  Carex multicaulis Steve Boyd, Lauren Raz 1997-5-20 9808 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UC212047  Carex multicaulis I. Johnston 1917-7-4 1426 Los Angeles Bear Canyon San Antonio Mts. 1676 Comment
  SBBG57184  Carex praegracilis R. Hoffmann 1925-4-19 Los Angeles Antelope Valley to Elizabeth Lake Comment
  RSA0065722  Carex senta Justin M. Wood 2011-7-7 4340 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  UC212824  Carex spissa G. B. Grant 1904-5-5 6190 Los Angeles Arroyo Seco, Pasadena Comment
  CAS-BOT-BC116602  Carex subfusca John Thomas Howell 1947-7-18 23431 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  SBBG13648  Carex triquetra P. H. Raven 1962-5-21 17813 Los Angeles lower end of Bullrush Cyn 198 Comment
  RSA628634  Castanopsis sempervirens Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: West side Pallett Mountain. 2348 Comment
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Sep 2 2017
  RSA161236  Castilleja affinis Peter H. Raven 1962-5-22 17821 Los Angeles Santa Catalina Island, above Emerald Bay. 122 Comment
  RSA167808  Castilleja affinis Robert F. Thorne 1964-2-6 33307 Los Angeles W of Isthmus Cove, Santa Catalina Island 30 Comment
  RSA491784  Castilleja affinis James L. Reveal 1988-5-17 6792 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 the junction of Elizabeth Lake Road (County Road N2) in Leona Valley., At the junction of San Franciscito Road at the Angeles National Forest boundary. 1128 Comment
  SEINET12288576  Castilleja affinis I. W. Clokey, Templeton, B. 1929-1 4427 Los Angeles Mandeville Canyon, Santa Monica Mountains 425 Comment
  RSA772197  Castilleja applegatei R. G. Swinney 2009-5-27 10871 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  UC219115  Castilleja applegatei subsp. martinii D. L. C. 1915-6-30 Los Angeles mts above Claremont 2133 Comment
  UC1012116  Castilleja foliolosa Francis W. Pennell 1940-5-5 25323 Los Angeles San Fernando 396 Comment
  RSA101715  Castilleja foliolosa N. B. Perrue 1920-7-13 s.n. Los Angeles So. Pasadena Comment
  RSA547459  Castilleja minor subsp. spiralis Tim S. Ross, Orlando Mistretta 1992-7-24 6750 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  CATA2076  Casuarina equisetifolia Amy Catalano, Anne Kelly 2014-10-14 020 Los Angeles Santa Catalina Island: Blackjack Campground 460 Comment
  RSA11073  Caulanthus coulteri var. coulteri C. B. Wolf 1928-3-29 1557 Los Angeles Junction of Pine Canyon road and road to Sandbergs. 3 mi. S.W. of Neenach. 1067 Comment
  SEINET7907429  Caulanthus inflatus J. Massey, J. Henrickson 1966-1 Los Angeles 1 mi E of Jct of Ave J & 250, Saddle Back Butte Area Comment
  SBBG53170  Caulanthus lasiophyllus S. A. Junak 1978-4-15 SCa 5 Los Angeles S side of upper Cherry Valley, S of Pk 637 Comment
  RSA188104  Ceanothus arboreus Robert F. Thorne 1965-6-22 34850 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  UC1211068  Ceanothus arboreus Huron H. Smith 1912-5-29 5019 Los Angeles Santa Catalina Island, Summit Road 335 Comment
  JEPS42100  Ceanothus arboreus Charlotte M. Hoak 1924-2-2 Los Angeles near Los Angeles (Gibbs Estate, Alta Dena) Comment
  UC1070993  Ceanothus cordulatus H. A. Jensen 1933-3-24 276 Los Angeles Mount Islip Rock Creek quad, Angeles National Forest 2438 Comment
  CAS-BOT-BC48742  Ceanothus crassifolius Vernon Bailey 1907-10-30 s.n. Los Angeles Sangus Comment
  CAS-BOT-BC48746  Ceanothus crassifolius Geo. B. Grant 1901-1-1 s.n. Los Angeles So. Calif. From Mt. Lowe, S. Cal. Comment
  CAS-BOT-BC48749  Ceanothus crassifolius D. O. Burge 2007-3-23 DOB 806 b Los Angeles San Gabriel Mountains, Angeles National Forest, between Horse Canyon and Oak Canyon, above the San Gabriel River 630 Comment
  CHSC12153  Ceanothus crassifolius L. M. Mayer 1973-3-3 75 Los Angeles Locally abundant on the hillside, ca. 1.5 mi. nw of Honolulu Ave. and LaTuna Canyon Rd. junction and ca. 75 yds. w of LaTuna Canyon Rd. 457 Comment
  UCR155361  Ceanothus crassifolius A. C. Sanders 2005-5-5 29874 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  UCR95486  Ceanothus crassifolius L. C. Wheeler 1970-3-28 s.n. Los Angeles San Gabriel Mtns., Bootleggers Canyon 884 Comment
  JEPS42305  Ceanothus greggii var. vestitus F. W. Peirson 1919-6-14 415 a Los Angeles san Gabriel Mts. 1371 Comment
  CAS-BOT-BC50845  Ceanothus insularis Carl B. Wolf 1941-6-25 11221 Los Angeles Rancho Santa Ana Botanic Garden - Flat, in nersery. Originally collected: Santa Catalina Island, head of Avalon Canyon 121 Comment
  UCR277157  Ceanothus leucodermis R. G. Swinney 2011-6-15 15177 B Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  JEPS98621  Ceanothus megacarpus Dean Kelch 1993-6-1 Los Angeles Glendale Hills Glendale 120 Comment
  CATA421  Ceanothus megacarpus var. insularis Sara L. Crockett 1997-1-18 558 Los Angeles Santa Catalina Island: 2.2 miles NW on Stage Road frm jct. with Middle Ranch Road 365 Comment
  UC1184983  Ceanothus megacarpus var. megacarpus Huron H. Smith 1912-5-29 5031 Los Angeles Trail from summit, Santa Catalina Isl. 365 Comment
  LA103272  Ceanothus oliganthus Jonathan Sauer; E. R. Hobbs 1979-4-14 6061 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, Topanga look-out near peak. 609 Comment
  UCSB8402  Ceanothus oliganthus Haller, John 1950-3-26 Los Angeles San Gabriel Mtns., west ridge of Little Dalton Canyon 762 Comment
Read comments
Jan 20 2015
  POM126296  Ceanothus oliganthus var. oliganthus V. Newsom, M. Hilend 1927-4-13 s.n. Los Angeles Hills S.W. of Newhall. Comment
  RSA783278  Ceanothus spinosus J. D. Olmsted 1959-3-23 302 Los Angeles Foot of San Gabriel Mts: San Antonio wash. Blanchard park on Pomona college campus near Claremont. 366 Comment
  UCR275298  Ceanothus spinosus Dan S. Cooper 2010-1 s.n. Los Angeles Western Tarnsverse Range; eastern Santa Monica Mtns., Griffith Park, just east of Hollywood Reservoir 233 Comment
  UCR140608  Ceanothus vestitus Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-17 4- 31 Los Angeles San Gabriel Mtns/Mojave Desert, Largo Vista Road 3.1 mi south of Route 18, SE of Llano, Site L4 1275 Comment
  RSA611360  Cenchrus spinifex L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  UCR270655  Centaurea cyanus R. G. Swinney 2011-6-30 15374 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  CAS-BOT-BC272061  Centaurea melitensis Tim Ross 1992-6-15 6556 Los Angeles Upper end of Turnbull Canyon, Whittier Hills (local name for the western extremity of teh Puente Hills) 294 Comment
  SBBG31088  Centaurea solstitialis R. F. Thorne 1966-9-14 36624 Los Angeles Middle Ranch, Middle Ranch Cyn 213 Comment
  LA200177  Centaurea solstitialis Jonathan Sauer; A. Ahmedba 1974-9-12 5624 Los Angeles 15 Comment
  SFV12497  Centaurea solstitialis M. H. Grayum, H. Grayum, K. Felt, J. Horowitz 1977-10-30 842 Los Angeles Santa Monica Mountains Century Ranch. Roadside. 152 Comment
  RSA593398  Centaurium exaltatum Steve Boyd, Orlando Mistretta 1996-5-23 8822 B Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA236382  Centaurium venustum S. F. Blake 1910-7-26 497 Los Angeles Dry bank, near Pasadena Comment
  RSA705966  Centaurium venustum subsp. venustum M. Wall, Katie Sims 2005-6-9 394 Los Angeles Rancho Santa Ana Botanic Garden native to site in plant communities section D-13. Comment
  RSA613604  Centrostegia thurberi Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  POM214446  Cerastium glomeratum L. C. Wheeler 1934-3-18 2454 Los Angeles Lievoak Canyon 487 Comment
  RSA527630  Cerastium glomeratum Steve Boyd 1990-4-8 4386 -B Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC1211063  Cercocarpus betuloides Huron H. Smith 1912-6-24 5165 Los Angeles Santa Catalina Island, Rock Srings Canyon Rock Srings Canyon; Santa Catalina Island, Rock Srings Canyon 304 Comment
  UCR223651  Cercocarpus betuloides R. G. Swinney 2009-6-24 11267 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
  RSA611270  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1931-8-3 S- 40 Los Angeles San Gabriel Mountains 1/2 mile E of Palmer Canyon. 915 Comment
  JEPS45587  Cercocarpus betuloides var. blancheae S. B. Parish 1916-3-31 10752 Los Angeles Descanso Canyon, Santa Catalina Island Descanso Canyon; Santa Catalina Island, Descanso Canyon Comment
  SBBG17983  Cercocarpus betuloides var. blancheae E. R. Blakley 1963-4-8 5542 Los Angeles head of Avalon Valley near Wrigley Memorial 137 Comment
  SD121079  Cercocarpus betuloides var. blancheae Michael Curto, Linda Allen 1986-5-22 296 Los Angeles along un-named tributary to Malibu Cr., Malibu Creek Road, Malibu Cr State Park 198 Comment
  RSA561580  Chaenactis artemisiifolia Steve Boyd, Orlando Mistretta 1993-5-18 8150 Los Angeles Upper Sombrero Canyon, just below western end of Sombrero Rd. (3N64) 792 Comment
  UCSC001466  Chaenactis artemisiifolia Peter Kamb 1947-6-30 611 Los Angeles San Gabriel Canyon Rd. below Crystal Lake San Gabriel Canyon Rd., Crystal Lake - San Gabriel Mts. 1372 Comment
  CAS-BOT-BC276892  Chaenactis fremontii F. W. Peirson 1921-5-19 2409 Los Angeles Little Rock Creek, N slope of San Gabriel Mountains 960 Comment
  UCSB10325  Chaenactis fremontii Haller, John 1957-4-13 Los Angeles On Palmdale Ave. 0.7 miles E. of jct. with Calif. 138 and ca. 9 miles E. of center of Palmdale 762 Comment
  RSA771845  Chaenactis glabriuscula R. G. Swinney 2009-5-27 10904 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  JEPS34174  Chaenactis glabriuscula var. glabriuscula F. W. Peirson 1921-5-19 1399 Los Angeles Little Rock Creek San Gabriel Mts., Little Rock Creek 975 Comment
  RSA595117  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8577 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N05, 6.2 road miles from jtn with 8N05. 1174 Comment
  UCR259774  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-28 12389 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  POM175435  Chaenactis glabriuscula var. glabriuscula Joseph A. Ewan 1930-6-26 2696 Los Angeles West end of Pine Flats below Crystal Lake; San Gabriel Mts. 1585 Comment
  CAS-BOT-BC277523  Chaenactis glabriuscula var. lanosa I. Johnston 1917-4-28 1933 Los Angeles Wash west of Upland 365 Comment
  CAS-BOT-BC100655  Chaenactis glabriuscula var. orcuttiana Edith A. Purer 1935-5-12 6593 Los Angeles El Segundo Comment
  POM18257  Chaenactis stevioides var. brachypappa P. A. Munz 1923-5-26 6804 Los Angeles Big Rock Creek. 1280 Comment
Read comments
May 18 2016
  UCR149521  Chaenactis xantiana R. G. Swinney 1998-4-14 5997 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  UCR96132  Chaenactis xantiana B. G. Pitzer 1996-4-20 2691 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  RSA578651  Chaenactis xantiana Timothy S. Ross, J. Mark Porter 1994-5-1 7614 Los Angeles ca. 3950 m NNE of Moody Springs and 2620 m W of the LA/ San Bern. County Line. 873 Comment
  SEINET7063090  Chamaesyce albomarginata A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Mountains southeast of Bobs Gap on Big Pines Road. UTM Zone 11, 428035mE, 3808604mN. (WGS84/NAD83). 1571 Comment
  RSA599348  Chamaesyce melanadenia L. C. Wheeler 1968-3-17 s.n. Los Angeles Morgan Canyon at Ferguson Motorway 488 Comment
  RSA432498A  Chamaesyce polycarpa var. polycarpa Robert Gustafson 1981-7-15 2336 Los Angeles Ballona Wetlands, Area 2 Comment
  RSA641504  Cheilanthes covillei L. C. Wheeler 1967-7-25 70530 Los Angeles San Gabriel Mts., Angeles National Forest: near Reed Spring, South Fork Big Rock Creek, E side Mt. Williamson 1859 Comment
  RSA588153  Cheilanthes covillei Orlando Mistretta 1994-5-23 1239 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1220 Comment
  RSA0036772  Chenopodium Toad 1981-2-26 0010 -81 Los Angeles 130 W. Grondahl, Covina. Comment
  RSA608723  Chenopodium album L. C. Wheeler 1931-3-18 s.n. Los Angeles La Verne. Comment
  CATA1651  Chenopodium berlandieri Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-6-13 2937 Los Angeles Santa Catalina Island: Behind Little Harbor 9 Comment
  RSA706649  Chenopodium botrys A. C. Sanders, Mark Elvin 2002-6-20 25218 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  RSA713806  Chenopodium botrys Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1364 Los Angeles Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  CATA1185  Chenopodium californicum Mark L. Hoefs 1995-5-30 2186 Los Angeles Santa Catalina Island: Near Ben Weston Road 30 Comment
  RSA0083081  Chenopodium californicum R. G. Swinney 2010-3-22 12034 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA478476  Chenopodium californicum H. L. Bauer 1931-3-1 s.n. Los Angeles Tunas Canyon near Topanga Canyon. Comment
  RSA592785  Chenopodium californicum Steve Boyd 1996-4-25 8681 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 915 Comment
  RSA615712  Chenopodium californicum L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs County Park. Comment
  RSA64804  Chenopodium fremontii F. W. Peirson 1923-8-31 4023 Los Angeles Blue Ridge, north slope of San Gabriel Mountains. 2591 Comment
  RSA478534  Chenopodium murale Blanche Trask 1900-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG17118  Chenopodium murale K. A. Wilson 1961-2-21 872 Los Angeles San Fernando Valley State College campus; Northridge Comment
  RSA478455  Chenopodium pumilio F. R. Fosberg 1931-5-24 S 4971 Los Angeles Alluvial fan, La Crescenta Comment
  CAS-BOT-BC184881  Chloris virgata Steven A. Junak 1990-11-9 SCI- 143 Los Angeles San Clemente Island. North end of island, just southeast of passenger terminal building at airfield. 60 Comment
  CAS-BOT-BC252771  Chorizanthe parryi var. fernandina Alice Eastwood 1913-5-11 3139 Los Angeles San Fernando Wash Comment
  CAS-BOT-BC257197  Chorizanthe procumbens Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  POM6769  Chorizanthe procumbens P. A. Munz 1919-5-13 2790 Los Angeles Claremont. Comment
  UCR232383  Chorizanthe spinosa Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8023 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 45 m west of Sierra Highway and 125 m south of Avenue F 703 Comment
  CAS-BOT-BC244656  Chorizanthe staticoides James L. Reveal 1988-5-24 6870 Los Angeles In a sandy wash 0.2 mile east of the Los Angeles County Animal Center Number 6 in Castaic just south of Charlie Canyon 365 Comment
  CAS-BOT-BC244806  Chorizanthe staticoides Le Roy Abrams 1901-6-1 1708 Los Angeles Saddle Peak, Santa Monica Mts. Comment
  RSA725862  Chorizanthe staticoides R. G. Swinney 1998-5-15 6053 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  SBBG127092  Chorizanthe staticoides A. Parikh, N. Gale 2011-6-29 3525 Los Angeles upper Big Tujunga Cyn, 1.1 km WNW of Shortcut Station, 0.9 km N of St Hwy 2; San Gabriel Mtns 1263 Comment
  UC520247  Chorizanthe staticoides Carl Epling, N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon , Los Alisos Canyon (Santa Monica Mountains) Comment
  UCD99944  Chorizanthe staticoides Garm Beall 1997-5-9 23 Los Angeles Mullholland Highway, 1 mile east of Malibu Canyon Road. Comment
  RSA0066514  Chorizanthe staticoides Joseph A. Ewan 1932-5-31 7194 Los Angeles Tujunga Canyon, 3 miles above Hansen's. Comment
  RSA660084  Chorizanthe watsonii Orlando Mistretta 1992-5-25 433 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  UCR177279  Chorizanthe xanti var. xanti Scott D. White, Michael Honer 2003-5-7 9207 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  POM351983  Chrysothamnus nauseosus subsp. hololeucus Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  POM82890  Cicuta bolanderi H. E. Hasse 1890-07 s.n. Los Angeles [Unspecified] Comment
  SDSU3771  Cirsium occidentale Gerald Collier 1951-5-1 M 582 Los Angeles About 1/2 mile north of Sunset Blvd. on Barrington Avenue L.A. 49. Comment
  UC1583154  Cirsium occidentale Tim Ross and Steve Boyd 1990-5-14 2504 Los Angeles Tujunga Ranger District Angeles National Forest, San Gabriel Mountains, Yerba Buena 1130 Comment
  RSA0059669  Cirsium occidentale Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5325 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  UC1215143  Cirsium occidentale var. occidentale Peter H. Raven 1962-4-10 17186 Los Angeles small arroyo above Wilson Cove; San Clemente Island, Wilson Cove 60 Comment
  CAS-BOT-BC286518  Cirsium undulatum Alice Eastwood 1917-7-20 6510 Los Angeles Santa Catalina Island Comment
  UCR179469  Cirsium vulgare R. G. Swinney, Dave Larson 1996-8-7 5252 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
Read comments
Jun 10 2014
  RSA225874  Cistanthe monosperma C. W. Tilforth, John Dourley 1971-7-28 41053 Los Angeles San Gabriel Mts., San Bernardino National Forest: summit ridge of Dawson Peak, 2912 Comment
  RSA563516  Cistus creticus T. S. Ross, Walter Appleby 1993-4-15 6821 Los Angeles Western SAn Gabriel Mts: southerly draw ca 515 m ssw of May canyon saddle, draining to Wilson Canyon 1011 Comment
  RSA0116828  Cistus incanus R. G. Swinney 2010-8-11 13488 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  UCR276753  Cistus incanus R. G. Swinney 2010-8-11 13488 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  RSA599672  Cistus ladanifer Steve Boyd, Lauren Raz 1997-5-1 9691 Los Angeles Liebre Mountains region: Sierra Pelona Ridge east of San Francisquit Canyon and south of Leona Valley, along the Leona Divide truck trail (6N04.1) at sharp hairpin turn, head of Dowd Canyon. 1219 Comment
  LA200701  Clarkia bottae Sharon Johnston; 1957-5-14 35 Los Angeles Santa Monica Mountains, Mulholland Road, 6.0 mi W of Fire Station 396 Comment
  LA45533  Clarkia bottae J. A. Ewan; 1930-5-30 2251 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, above Hollywood Lake. 304 Comment
  RSA448243  Clarkia bottae I. W. Clokey 1929-05 4534 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  RSA448248  Clarkia bottae Robert M. Perkins 1936-4-27 180 Los Angeles Muholland drive. Comment
  HSC83415  Clarkia cylindrica D. L. Koutnik, Vickie Dawes 1978-5-12 489 Los Angeles Decker Rd., N of Mulholland Hwy. 488 Comment
  CAS-BOT-BC172247  Clarkia cylindrica subsp. cylindrica George L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  RSA165708  Clarkia cylindrica subsp. cylindrica Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Liebre Campground, Liebre Mtn. Angeles National Forest. 1646 Comment
  UCSB4293  Clarkia dudleyana Wilson, Richard 1958-5-16 Los Angeles 24 miles west of Palmdale; on U.S. 6 Mint Canyon area 762 Comment
  CAS-BOT-BC172005  Clarkia epilobioides H. D. Ripley; R. C. Barneby 1943-5-11 5199 Los Angeles Mint Canyon 822 Comment
  POM8249  Clarkia epilobioides P. A. Munz, R. D. Harwood 1920-5-15 3933 Los Angeles [Coldwater] Canyon 305 Comment
  SBBG101131  Clarkia epilobioides M. R. Benedict 1971-6-25 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SBBG31046  Clarkia epilobioides R. F. Thorne 1966-4-28 36227 Los Angeles near upper end of Renton Mine Rd in Pebbly Beach Cyn 259 Comment
  POM3034  Clarkia purpurea subsp. quadrivulnera D. L. Crawford 1916-4-15 s.n. Los Angeles Claremont. Comment
  RSA448286  Clarkia purpurea subsp. quadrivulnera M. Bisbee 1917-5-1 s.n. Los Angeles Grassy hills, East end of Eagle Rock Valley Comment
  UCD104949  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-6-15 9837 Los Angeles Liebre Mountains region. NE of Saugus. 396 Comment
  CAS-BOT-BC164726  Clarkia rhomboidea I. M. Johnston 1917-7-3 1404 Los Angeles San Antonio [Canon] Canyon 1524 Comment
  RSA579510  Clarkia rhomboidea Tim S. Ross, Steve D. Boyd 1994-6-23 8052 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA73350  Clarkia rhomboidea F. W. Peirson 1919-6-5 5307 -a Los Angeles San Antonio Canyon, along stream bed above bridge. 1448 Comment
  UCR223380  Clarkia rhomboidea R. G. Swinney 2009-5-27 10868 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  LA45500  Clarkia unguiculata Harvey Anderson; Carl Epling, Lincoln Ellison 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA448583  Clarkia unguiculata Fay A. MacFadden 1931-3-28 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA448588  Clarkia unguiculata Grace Shaffer s.n. Los Angeles Z trail above Sierra Madre. Comment
  SDSU8704  Clarkia unguiculata Gerald Collier 1951-5-15 M 336 Los Angeles Open Field near Provosts Residnece, Just So. of sunset Blvd. UCLA campus. Comment
  UCSB30566  Clarkia unguiculata Patterson, R. 1976-5-21 Los Angeles End of San Martinez Canyon Road, near the Los Angeles/Ventura county line 1500 Comment
  UCR271674  Clarkia xantiana R. G. Swinney 2011-5-31 14922 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
  RSA709622  Claytonia exigua subsp. exigua LeRoy Gross 2005-4-28 2128 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
  UCR190407  Claytonia parviflora R. G. Swinney 2000-5-20 7692 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  UCR190415  Claytonia parviflora R. G. Swinney 2000-5-20 7698 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 905 Comment
  RSA466712  Claytonia parviflora subsp. utahensis Ora M. Clark 1929-3-30 1909 Los Angeles W. of Lancaster Comment
  UCR142925  Claytonia perfoliata F. R. Fosberg 1931-4-1 S- 4435 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon near Avalon 75 Comment
  SBBG97022  Claytonia perfoliata subsp. mexicana S. Boyd with T. Ross, L. Arnseth 1990-4-8 4404 Los Angeles Bryce Cyn near Malo Pt Comment
  UCD100788  Claytonia perfoliata subsp. mexicana Kenneth A. Wilson 1961-2-18 847 Los Angeles Santa Monica Mtns., Calabasas. Mulholland Hwy. Comment
  UCR271087  Claytonia perfoliata subsp. mexicana R. G. Swinney 2011-6-6 14990 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  CAS-BOT-BC439960  Claytonia perfoliata subsp. mexicana Louis C. Wheeler 1933-4-15 1635 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  CHSC98602  Clematis lasiantha LeRoy Gross; Michael Honer, Leland Lubinsky 2000-4-27 198 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. Area that didn't burn; northwest facing slope. 487 Comment
  RSA386247  Clematis ligusticifolia Geo. L. Moxley 1915-9-6 445 Los Angeles Sawpit Canyon near Monrovia. Comment
  UCR177496  Collinsia bartsiifolia var. davidsonii LeRoy Gross 2005-5-19 2281 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
  UC26591  Collinsia callosa J. Burtt Davy May 9 1896-May 24 1896 2562 Los Angeles Manzana; Antelope Valley Comment
  RSA482001  Collinsia heterophylla Richard Noyes 1988-5-12 5562 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  RSA408271  Collinsia heterophylla Geo. L. Moxley 1913-9-1 187 Los Angeles Santa Anita Canyon. Comment
  RSA252239  Comarostaphylis diversifolia subsp. planifolia Gary D. Wallace 1975-1-18 1387 Los Angeles Santa Monica Mtns. 3.1 mi N of Hwy. 1 along Topanga Can. Blvd. Comment
  RSA0042229  Comarostaphylis diversifolia subsp. planifolia Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3029 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon. 152 Comment
  RSA0107658  Conium maculatum R. G. Swinney 2011-6-23 15305 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
  RSA470548  Conium maculatum E. S. Spalding 1924-5-24 s.n. Los Angeles Los Angeles. Comment
  SBBG10935  Constancea nevinii R. Moran 1958-9-15 6820 Los Angeles cyn 1.8 mi SE of Eel Pt 100 Comment
  SD48939  Constancea nevinii Reid Moran 1958-9-15 6820 Los Angeles San Clemente Island, canyon 1.8 miles southeast of Eel Point. 99 Comment
  RSA394789  Convolvulus arvensis M. B. Dunkle 1928-5-13 1947 Los Angeles Middle Ranch Canyon. 198 Comment
  RSA151315  Conyza canadensis Peter H. Raven 1962-7-11 17997 Los Angeles Just south of old airstrip, San Clemente Island Comment
  UCR182722  Conyza coulteri R. G. Swinney 1998-2-16 5898 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  RSA608448  Cordylanthus nevinii Louis C. Wheeler 1946-8-29 6314 Los Angeles San Gabriel Mountains: 0.1 mile SE Guffy Camp 2485 Comment
  UCR231169  Cordylanthus rigidus Dan S. Cooper 2011-9-28 911- 115 Los Angeles Western Transverse Range; Santa Monica Mtns., open space east of Laurel Canyon Blvd., east of Fryman Rd. intersection 250 Comment
  POM4480  Cordylanthus rigidus subsp. setiger C. F. Baker 1903-8-2 3655 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA0084750  Cordylanthus rigidus subsp. setiger Scott D. White, Pam De Vries 2004-6-14 10501 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA412296  Cordylanthus rigidus subsp. setiger G. R. Johnstone 1929-7-14 s.n. Los Angeles Chaparral at La Crescenta Comment
  UCR221902  Coreopsis bigelovii R. G. Swinney 2009-4-28 10538 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UC33135  Coreopsis californica var. californica Dr. A. Davidson 1890-1 Los Angeles Los Angeles Comment
  CAS-BOT-BC105677  Corethrogyne filaginifolia F. Grinnell 1917-8-28 s.n. Los Angeles Above Chiles, San Gabriel Mountains Comment
  CAS-BOT-BC105719  Corethrogyne filaginifolia Le Roy Abrams 1904-9-2 4123 Los Angeles Elysian Park, Los Angeles Comment
  RSA397681  Cornus californica Anstruther Davidson 1890-07 s.n. Los Angeles Cienega Comment
  UC875866  Cornus glabrata Carl B. Wolf 1932-10-4 4221 Los Angeles 200 ft above forks L. Fork Hamilton Canyon; Santa catalina Isl., L. Fork Hamilton Canyon 121 Comment
  RSA495629  Cornus sericea subsp. sericea S. Zona, D. Arias, O. Dorado, M. Hanson, Jose Luis Villasenor 1989-6-28 350 Los Angeles Mountain High Ski resort; W of Wrightwood, N slopes of San Gabriel Mountians 2017 Comment
  RSA587193  Cortaderia selloana Scott D. White 1995-12-5 3771 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  SFV17858  Cortaderia selloana J. N. Hogue 1998-11-19 130 .4 Los Angeles San Gabriel Mountains Mouth of San Gabriel Canyon on Highway 39. On steep (cliff) hillside on east side of road next to flowing seep. 244 Comment
  UCR101307  Cotoneaster pannosus L. C. Wheeler 1966-10-25 9079 Los Angeles San Gabriel Mtns, Vicinity of E[dwin] Waldo Ward's Grove, 0.25 mi north of El Encanto, San Gabriel Canyon 244 Comment
  RSA0076099  Cotoneaster pannosus Louis C. Wheeler 1966-10-25 9079 Los Angeles Vicinity of E. Waldo Ward's Grove, 1/4 mile N of El Encanto, San Gabriel Canyon. Comment
  UCR186695  Cotula australis T. B. Salvato, Sandra Murcia 2007-3-28 2000 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  POM356269  Cotula australis Donald R. Bissing 1973-5-4 51 Los Angeles 0.5 mile from canyon mouth 777 Comment
  SBBG130570  Cotula australis S. A. Junak 2000-4-1 SCa 1155 Los Angeles Cherry Valley, just inland from main rd, along trail 60 Comment
  UCSB9473  Cotula australis Charles Crum 1958-7-14 60 Los Angeles collected in the U. C. L. A. (Faculty Hill) Comment
  UCR216891  Crassula colligata subsp. lamprosperma R. G. Swinney 2009-2-20 10028 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA639755  Crassula connata L. C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Vogel Flat, Big Tujunga Canyon. 556 Comment
  RSA609510  Crassula connata L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, east of Glendora. Comment
  SEINET8194471  Crassula connata var. eremica E. Braunton 864 Los Angeles Playa del Rey Comment
  RSA613033  Crassula tillaea L. C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mountains: Millard Canyon between Canyon Crest Road and National Forest Boundary. Comment
  OBI69268  Crocanthemum scoparium John Knapp, Denise Knapp 2003-4-13 25 Los Angeles Catalina Island. 3695769.992N x 370288.942E 104 Comment
  RSA292456  Crossosoma californicum James Henrickson 1973-01 8107 Los Angeles Santa Catalina Island. 2 air miles WNW of Avalon near Haypress area and Airport Road Comment
  RSA397733  Crossosoma californicum Reid V. Moran 1941-2-28 655 Los Angeles Johnson Valley, Santa Catalina Island 250 Comment
  RSA397738  Crossosoma californicum Mark Parratt 1965-1-26 642 Los Angeles Santa Catalina Island near the Isthmus area. 0 Comment
  RSA602306  Croton californicus L. C. Wheeler 1946-12-14 6451 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  UCR210420  Croton californicus R. G. Swinney 2008-12-4 9931 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA0116193  Cryptantha R. G. Swinney 2011-4-1 14307 Los Angeles San Gabriel Mountains/SW Mojave Desert; WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR187016  Cryptantha A. C. Sanders 2006-4-25 32165 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR124691  Cryptantha affinis B. C. Templeton 1932-6-18 4931 Los Angeles San Gabriel Mtns, Angeles National Forest: Jackson Lake 1930 Comment
  LA94293  Cryptantha clevelandii Harlan Lewis; 1940-4-3 1282 Los Angeles Santa Monica Mountains, 10 mi. N [W] of Malibu Beach Comment
  UC1871037  Cryptantha clevelandii T. S. Ross 1990-6-28 3945 Los Angeles San Gabriel Mtns.; NW slope between Tentrock Canyon and Poison Oak Canyon 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
  RSA0014595  Cryptantha decipiens Orlando Mistretta, Christine Mistretta 2011-6-17 5705 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1087 Comment
  RSA646092  Cryptantha echinella Orlando Mistretta 1993-6-2 858 Los Angeles San Gabriel Mountains: Near Vincent Gap, south slope of Vincent Gulch. 2084 Comment
  RSA647872  Cryptantha intermedia LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 235 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 548 Comment
  SD86346  Cryptantha intermedia R. Mitchel Beauchamp, M. Douglas 1972-3-24 3242 Los Angeles San Clemente Island: on grassy slope, Thirst 600 Comment
  UC1552150  Cryptantha intermedia David Charlton 1988-4-2 1484 Los Angeles Cleghorn Road Turnoff on Cajon Pass, I 15, Swarthout Valley Road to end of pavement, site is under powerline Cajon Pass 1524 Comment
Read comments
Feb 4 2015
  UCR114186  Cryptantha intermedia A. C. Sanders, D. Malueg 1998-6-24 22066 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  RSA79600  Cryptantha intermedia F. W. Peirson 1923-4-9 3423 Los Angeles About 3 miles SE of Wilson s Cove, San Clemente Island Comment
  RSA0093138  Cryptantha micrantha Steve Boyd, Gary D. Wallace 2011-4-14 12315 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  UCR127092  Cryptantha micrantha var. lepida Mark A. Elvin, Cathleen Weigand 2003-4-7 2451 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  UCR264738  Cryptantha micrantha var. micrantha Steve Boyd, Gary D. Wallace 2011-4-14 12315 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA775952  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2010-6-23 5341 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  UCR108462  Cryptantha microstachys L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mtns., Mesa on the W side of Bear Creek, off West Fork of San Gabriel River 610 Comment
  RSA592284  Cryptantha microstachys L. C. Wheeler 1967-5-9 9413 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  UCR126569  Cryptantha muricata A. C. Sanders, Andy Thomson 2003-4-15 25987 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  RSA0079196  Cryptantha muricata var. denticulata P. A. Munz 1923-5-27 6873 Los Angeles Rock Creek; San Gabriel Mts 1296 Comment
  RSA0079198  Cryptantha muricata var. denticulata Helen E. Sweet, West, E. Crow 1930-7-12 s.n. Los Angeles Above Pine Flats, San Gabriel Mts. Comment
  SBBG63810  Cryptantha muricata var. jonesii R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA0079312  Cryptantha muricata var. jonesii Jack Rempel 1936-5-1 208 Los Angeles San Antonio Canyon. Comment
  RSA0079461  Cryptantha muricata var. jonesii F. W. Peirson 1925-4-23 5794 Los Angeles Burned hillslope at forks of San Gabriel River. 533 Comment
  RSA0103797  Cryptantha muricata var. muricata R. G. Swinney 2011-6-14 15112 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0079456  Cryptantha muricata var. muricata Anstruther Davidson 1904-6-1 1475 Los Angeles Wilson s Peak. Comment
  RSA0079619  Cryptantha muricata var. muricata C. Epling, Lincoln Ellison 1929-4-27 s.n. Los Angeles Santa Monica Mountains. Topango [Topanga] Canyon. Comment
  UCR150007  Cryptantha nevadensis Scott D. White 2004-5-5 10294 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  UC2049428  Cryptantha nevadensis var. rigida LeRoy Gross with Joy England, Naomi Fraga 2016-4-21 7534 Los Angeles Transverse Ranges; San Gabriel Mountains region: Arrastre Canyon. Started near mouth of canyon, near 34.44397N, 118.20032W . Ended on top of a small knoll, near 34.43011N, 188.18667W. Acton 7.5' Quad. Comment
  SEINET7047897  Cryptantha nevadensis var. rigida Steven R. Hill, Kate Kramer 2001-4-22 33344 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  SBBG125849  Cryptantha oxygona A. Parikh, N. Gale 2010-5-31 3239 Los Angeles Sierra Pelona, 4.1 km W of State Hwy 14, 1.8 km SW of California Aqueduct; E Liebre Mtns 1050 Comment
  SEINET9318798  Cryptantha pterocarya Unknown 2009-4-28 10537 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma (Pacifico Mtn). Pinyon-juniper woodland and chaparral, burned in c. 2006; with Quercus john-tuckeri, Eriogonum fasciculatum poliofolium, Poa secunda, etc. Comment
  UCD120011  Cryptantha pterocarya Geoffrey Levin 1975-5-17 515 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. 1158 Comment
  UCR190785  Cryptantha pterocarya var. pterocarya R. G. Swinney 2001-4-18 7920 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  RSA640241  Cryptantha similis R. F. Thorne, R. Carolin, C. Davidson 1967-3-23 41599 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  SEINET8550842  Cucurbita foetidissima G. R. Grant 1904-1 243 Los Angeles Pasadena. Comment
  POM126994  Cuscuta californica Jos. Burtt Davy 1896-5-9 2299 Los Angeles Antelope Valley Comment
  POM3665  Cuscuta californica L. R. Abrams 1902-7-5 1560 Los Angeles Azusa. Comment
  RSA0074188  Cuscuta californica Clare, G. R. Johnstone 1931-4-26 s.n. Los Angeles Playa del Rey. Comment
  SFV21096  Cuscuta campestris L. Gross, W. Law 2000-8-8 253 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  RSA641447  Cuscuta denticulata L. C. Wheeler 1967-7-23 10174 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Springs, San Andreas Rift Zone. Comment
  CHSC95477  Cuscuta pentagona LeRoy Gross; Wayne Law 2000-8-8 253 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  RSA522327  Cuscuta subinclusa T. S. Ross, Orlando Mistretta 1990-10-3 328 Los Angeles 0.62 Km E of Tie Summit Station and .62 km due s of Aliso spring, Tujunga Ranger District 1481 Comment
  RSA732818  Cycladenia humilis R. G. Swinney 2000-9-16 7867 Los Angeles San Gabriel Mtns.: Coldwater Canyon tributary, 1st canyon south of San Antonio Ridge. 2439 Comment
  RSA79251  Cycladenia humilis var. venusta Robert C. Frampton 1952-6-28 17295 Los Angeles south slope Mt. (''Baldy'') San Antonio 2621 Comment
  RSA0116826  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. 1067 Comment
  RSA598213  Cyperus eragrostis Sara L. Crockett, Mark Hoefs, Steven A. Junak, Gery Allan 1996-10-31 546 Los Angeles Santa Catalina Island. Haypress Reservoir. 457 Comment
  RSA618692  Cyperus involucratus LeRoy Gross 1998-9-20 73 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  CAS-BOT-BC113963  Cyperus odoratus Cecil Hart 1922-9-2 s.n. Los Angeles Howard & Smith's Nursery, Montibello Comment
  CAS-BOT-BC113995  Cyperus parishii A. Davidson 1901-9-1 s.n. Los Angeles Rock Creek Comment
  JEPS35047  Cystopteris fragilis Ernest Braunton 1932-3-27 1968 Los Angeles San Dimas Canyon; San Gabriel Mts Comment
  RSA692814  Cystopteris fragilis Charlotte M. Hoak 1931-2-22 33 Los Angeles San Dimas Canyon Comment
  RSA693734  Cystopteris fragilis M. B. Dunkle 1933-6-17 3603 Los Angeles San Antonio Canyon. 915 Comment
  RSA729609  Dactylis glomerata R. G. Swinney 1998-7-10 6406 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
  CDA36676  Datisca glomerata G. C. Fleischman 1943-8-8 Los Angeles Highway San Gabriel Mountains to Palmdale. 0 Comment
  RSA588158  Datisca glomerata Orlando Mistretta 1994-5-23 1245 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1220 Comment
  SBBG98088  Daucus pusillus T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5131 Los Angeles 1400 ft SSE of Jack (not Jack Pt), 1350 ft NW of mouth of Larkspur Cyn 144 Comment
  SBBG105380  Deinandra clementina R. M. Beauchamp 1976-5-22 4135 Los Angeles S side of rd to old sewer outfall W of old air field (VC3) 15 Comment
  UC1587227  Deinandra clementina Tim Ross 1991-5-20 5354 Los Angeles un-named knoll ca 5500 ft s Wilson Cove Settlement (westerly slope 2500 ft nw of the 750 ft BM); San Clemente Island 205 Comment
  UC897691  Deinandra clementina Carl B. Wolf 1932-10-3 Los Angeles at site of Tent City, Pebbly Beach Santa Catalina Island 7 Comment
  CAS-BOT-BC294073  Deinandra kelloggii J. Grinnell 1903-6-30 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC131017  Deinandra minthornii John Thomas Howell 1947-7-17 23375 Los Angeles Santa Susana Pass Comment
  CAS-BOT-BC9130  Delphinium cardinale LeRoy Abrams 1902-7-3 2647 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains Comment
  CHSC35813  Delphinium cardinale Philip A. Silverstone 1978-7-23 251 Los Angeles Santa Monica Mountains; Latigo Canyon Rd. 10.2 km from State 1. Near road. Comment
  UCD95644  Delphinium cardinale Daryl Koutnik 1978-6-24 554 Los Angeles Mulholland Highway, one mile south of Seminole Hot Springs. 335 Comment
  CAS-BOT-BC9127  Delphinium cardinale Muriel F. Wheeler 1938-7-23 952 Los Angeles San Dimas Canyon Wash, 0.5 mile northeast of San Dimas County Park Comment
  RSA394514  Delphinium cardinale Robert L. Dressler 1949-6-19 898 Los Angeles SanDimas Wash, ca. 1 mile N of San Dimas. 671 Comment
  SEINET12086820  Delphinium cardinale I. W. Clokey, Templeton, B. 1929-1 4580 Los Angeles Mandville Canyon, Santa Monica Mts 300 Comment
  RSA149665  Delphinium parishii Harlan Lewis 1941-4-17 s.n. Los Angeles State Highway #138, 10 miles East of Little Rock, Los Angeles Comment
  RSA0091875  Delphinium parryi subsp. maritimum Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1521 Los Angeles Santa Catalina Island. E of Little Harbor, just N of Sheep Chute Ridge Road, ca. 0.2 mile from intersection with Little Harbor Road, on S side of Big Springs Canyon. 79 Comment
  LA52178  Delphinium parryi subsp. parryi A. M. Johnson; 1934-5-4 4468 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  RSA182322  Delphinium patens subsp. hepaticoideum John Olmsted 1962-4-30 3411 Los Angeles 1960 Johnstone Park burn, from west fork of San Dimas Creek to Wolfskill Falls 457 Comment
  JEPS60628  Delphinium patens subsp. montanum Frank W. Peirson 1921-7-3 2479 Los Angeles Pinon Ridge San Gabriel Mountains (e end) 2286 Comment
  RSA783864  Delphinium variegatum subsp. thornei Bart O'Brien, Jason Koontz, Emma Havstad 2012-4-24 2012 -37 Los Angeles San Clemente Island. China Canyon. 375 Comment
  SEINET4090273  Delphinium variegatum subsp. thornei M. B. Dunkle 1939-1 7322 Los Angeles San Clemente Island. Comment
  SD45610  Dendromecon harfordii Darley F. Howe 1953-5-2 2272 Los Angeles Santa Catalina Island, Wain Canyon. Comment
  CAS-BOT-BC82902  Dendromecon rigida Le Roy Abrams; E. A. McGregor 1908-6-20 401 Los Angeles Liebre Mountains. Between Oakgrove Canyon and Elizabeth Lake. Comment
  CAS-BOT-BC82906  Dendromecon rigida Timothy S. Ross; Steve Boyd 1994-5-25 7930 Los Angeles Liebre Mountains. Necktie Basin. Hanging basin ca. 470-830 meters west of Warm Springs Mountain summit. 1075 Comment
  CAS-BOT-BC82909  Dendromecon rigida Henry J. Thompson 1959-3-27 1897 Los Angeles Santa Monica Mountains. Saddle Peak. 0.5 mile northeast of peak. 609 Comment
  LA82464  Dendromecon rigida O. H. Kappler; 1941-3-26 152 Los Angeles 609 Comment
  SEINET12088955  Dendromecon rigida C. V. Braun 1975-1 140 Los Angeles T6N, R15W, 2 mi SW of junction with Spunky Canyon Road Comment
  RSA229070  Deschampsia danthonioides R. F. Thorne, C. W. Tiforth 1971-6-30 40794 Los Angeles Angeles National Forest: S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area 1555 Comment
  RSA762525  Deschampsia danthonioides R. G. Swinney 2008-7-24 9342 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA0053897  Descurainia pinnata R. G. Swinney 2010-5-11 12622 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
  UCR184538  Descurainia pinnata A. C. Sanders, T. B. Salvato 2007-4-24 33509 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  CAS-BOT-BC43175  Descurainia pinnata subsp. brachycarpa Philip A. Munz 1928-3-7 11062 Los Angeles Claremont. Comment
  RSA0115072  Descurainia pinnata subsp. menziesii Steven A. Junak, Keri Kirkland 2001-4-13 SCa- 1437 Los Angeles Santa Catalina Island. Ridgetop N of Deer Valley Reservoir, just E of Two Harbors. 229 Comment
  RSA0047558  Descurainia sophia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-11 32020 Los Angeles 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
  UCR197792  Descurainia sophia Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 33 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
  UCD114781  Descurainia sophia J. Doty 1969-4-19 632 Los Angeles beside Avenue K-8, 0.5 mile west of 170th Street, 20 miles east of Lancaster in northeastern part of county. 762 Comment
  SEINET3245636  Dicentra chrysantha R. G. Swinney 2009-1 11290 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley; San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway (Azusa 7.5') 194 Comment
  UC450952  Dicentra chrysantha Fay A. MacFadden 1931-4-22 2637 Los Angeles San Francisquito Canyon Comment
  RSA599343  Dichelostemma capitatum Steve Boyd, Lauren Raz 1997-3-26 9372 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCR126644  Dichelostemma capitatum A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26117 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
  RSA534116  Dichelostemma capitatum subsp. capitatum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5096 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  RSA623779  Digitaria sanguinalis R. M. Selle 1931-7-4 s.n. Los Angeles Garden, Eagle Rock Comment
  OBI32771  Diplacus brevipes H. Anderson & Carl Epling, Carl Epling 1930-5-30 s.n. Los Angeles Santa Monica Mts, Mandeville Cyn Comment
  CAS-BOT-BC153055  Diplacus fremontii Le Roy Abrams 1901-4-6 1379 Los Angeles Big [Tunga] Tujunga Wash Comment
  RSA164871  Diplotaxis tenuifolia D. L. Crawford, H. D. Hiatt 1916-3-29 987 Los Angeles Topanga Canyon, Santa Monica Mountains Comment
  CATA12  Dissanthelium californicum Jenny L. McCune, Lauren K. Danner 2005-3-30 1 Los Angeles Santa Catalina Island: Airport burn area [burned January 2002]. NE of transect #10 259 Comment
  SD234240  Distichlis spicata A. C. Sanders 2003-6-20 27001 Los Angeles Western Transverse Range/Santa Clara River Watershed: off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur (Val Verde 7.5' Q) 305 Comment
  SEINET10564526  Distichlis spicata var. stricta F. R. Fosberg 1931-5-14 Fosberg S 4871 Los Angeles Middle Ranch Canyon, near mouth of Cape Canyon, Santa Catalina Island. Bottom of ravine. Upper Sonoran Zone. Comment
  CAS-BOT-BC43698  Dithyrea maritima Le Roy Abrams 1899-4-1 241 Los Angeles Near Redondo. Comment
  PASA9  Dodecatheon clevelandii Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA177790  Dodecatheon clevelandii subsp. insulare Robert F. Thorne, Percy C. Everett 1965-5-10 34465 Los Angeles Santa Catalina Island: N slope of Black Jack Mountain 457 Comment
  UCR204013  Dodecatheon redolens R. G. Swinney 2001-9-15 8135 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  UCSB23143  Drymocallis cuneifolia var. ewanii Wilken, Dieter 1967-6-1 Los Angeles Lily Springs north of Mt. Hawkins, along State Highway 2, San Gabriel Mtns. 2407 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
  UC859903  Drymocallis glandulosa I. M. Johnston 1918-4-28 1894 Los Angeles Trumbull Canyon Puente Hills, Trumbull Canyon (Southern California) 365 Comment
  IRVC26193  Dryopteris arguta Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2926 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  LA82518  Dryopteris arguta O. H. Kappler; 1941-3-9 107 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA654360  Dryopteris arguta Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 989 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy, above Stough Canyon, NE side of peak ''2646''. 762 Comment
  SD253314  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre (Mt. Wilson 7.5'Q) 622 Comment
  LA210123  Dudleya cymosa subsp. marcescens Peter H. Raven; 1980-5-25 612 Los Angeles Santa Monica Mountains, Little Sycamore Canyon at the junction of Cochran Rd. and Yerba Buena Rd 335.0 Comment
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Oct 28 2015
  LA47619  Dudleya cymosa subsp. ovatifolia Henry J. Thompson; 1960-6-7 3078 Los Angeles Santa Monica Mountains, 0.4 mi. S of Cornell junction and highway 101 (near Agoura) 304 Comment
  RSA423505  Dudleya cymosa subsp. pumila Anstruther Davidson s.n. Los Angeles San Gabriel Canyon Comment
  RSA668079  Dudleya cymosa subsp. pumila Michael C. Long 2001-6-5 MCL- 680 Los Angeles San Gabriel Mountains, Eaton Canyon 100m N of Mt. Wilson Toll Road (large white bridge, on lower West side canyon walls. 390 Comment
  RSA680105  Dudleya cymosa subsp. pumila LeRoy Gross, Michael Denslow 2003-6-4 983 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  UC212663  Dudleya cymosa subsp. pumila I. M. Johnston 1917-6-15 Los Angeles w end Ontario Peak; San Antonio Mtns 1828 Comment
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May 13 2016
  POM220650  Dudleya densiflora L. C. Wheeler 1932-6-26 876 Los Angeles San Gabriel Canyon 335 Comment
  CHSC35826  Dudleya lanceolata William Fugimoto 1971-5-9 48 Los Angeles Ca. 10 miles NE of Azusa, 2 miles So. Of Rincom Station on Hwy. 39 in San Gabriel Mtns. 365 Comment
  LA105001  Dudleya lanceolata Peter H. Raven; David S. Verity 1960-5-7 15326 -A Los Angeles Santa Monica Mountains, Arroyo Sequit, upper Arroyo Sequit 243 Comment
  UC205023  Dudleya lanceolata I. Johnston 1917-6-16 1294 Los Angeles Playa del Rey Comment
  CAS-BOT-BC411392  Dudleya lanceolata Geo. B. Grant 1904-6-17 s.n. Los Angeles Arroyo Seco, Pasadena Comment
  POM1534  Dudleya lanceolata Otis Hiatt 1916-6-3 s.n. Los Angeles Canyon: Santa Monica Mountains. Comment
  UC1127107  Dudleya lanceolata A. D. Gifford 1934-5-8 202 Los Angeles 2 mi s and 0.6 mi e Triunfo; Triunfo Pass Quadrangle 304 Comment
  SD135105  Dudleya sproulii Paul H. Thomson Unknown Los Angeles Santa Catalina Island Comment
  UC933204  Dudleya virens Reid Moran 1946-5-31 2075 Los Angeles 1/2 mi e Point Vincente Comment
  RSA167783  Dudleya virens subsp. hassei K. Thorne, P. C. Everett 1964-2-7 s.n. Los Angeles Santa Catalina Island. Just E of Avalon on rd to Pebbly Beach 8 Comment
  UCD98761  Dysphania botrys Scott D. White 1997-5-8 5092 Los Angeles San Gabriel Mountains, San Gabriel River Canyon: N of Azusa; canyon bottom ajd [sic] adjacent slopes below San Gabriel Reservoir. 365 Comment
  IRVC28757  Echinochloa colona A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25550 Los Angeles north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons Santa Clara River Valley 274 Comment
  SEINET8466417 Image available Echinodorus cordifolius L. C. Wheeler 1949-6-22 6708 Los Angeles Altadena. Devil's Gate Dam.; 321 Comment
  RSA631384  Ehrharta calycina Valerie L. Soza, LeRoy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway. 868 Comment
  RSA0068436  Ehrharta erecta R. G. Swinney 2010-8-16 13547 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  SBBG31400  Eleocharis macrostachya R. F. Thorne 1966-4-7 35979 Los Angeles one of upper small ponds near Arrow Pt 60 Comment
  RSA594979  Eleocharis palustris Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-12 2360 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 6 Comment
  UCR191201  Eleocharis parishii R. G. Swinney 1999-6-30 7477 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
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May 10 2012
  UC111285  Eleusine indica Ernest Braunton July 1907 1281 Los Angeles Los Angeles Comment
  UCR205531  Eleusine indica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36970 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  UCR194183  Elymus R. G. Swinney 1998-7-29 6528 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  RSA0108889  Elymus elymoides R. G. Swinney 2010-5-21 12875 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA225893  Elymus elymoides subsp. californicus R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41073 Los Angeles San Gabriel Mountains, Angeles National Forest: saddle ridge between West Baldy and Old Baldy. 3003 Comment
  UCR256617  Elymus elymoides subsp. elymoides Anuja Parikh, Nathan Gale 2011-6-8 3430 Los Angeles Western Transverse Range; eastern Liebre Mountains, Sierra Pelona, Portal Ridge, 1.5 km west of Godde Hill Road, 1.2 km south of California Aqueduct 1115 Comment
  RSA746423  Elymus glaucus Orlando Mistretta 1994-7-12 1399 Los Angeles Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Comment
  UC205193  Elymus glaucus D. L. Crawford 1916-5-20 Los Angeles mts. above Claremont Comment
  CAS-BOT-BC206761  Elymus glaucus subsp. glaucus Timothy S. Ross; Steve Boyd 1995-6-29 8659 Los Angeles Near west summit of Liebre Mountain. 1706 Comment
  RSA188521  Elymus glaucus subsp. glaucus R. F. Thorne, John Olmsted 1965-8-26 35385 Los Angeles San Gabriel Mountains: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  RSA600472  Elymus glaucus subsp. glaucus Steve Boyd, Lauren Raz 1997-4-30 9606 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
  UCR189883  Elymus stebbinsii R. G. Swinney 1998-7-27 6503 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  PASA2102  Emmenanthe penduliflora J. E. Giguette May, '26 Los Angeles Big Tujunga Comment
  LA38489  Emmenanthe penduliflora var. penduliflora Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA0036298  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6978 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA0080759  Encelia actoni R. G. Swinney 2010-6-1 13106 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  UC129021  Encelia actoni H. M. Hall and H. P. Chandler 1906-6-12 7402 Los Angeles San Francisquito Canyon Southern California Deserts, San Francisquito Canyon 548 Comment
  UCR197738  Encelia actoni Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 99 Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  UCR280731  Encelia actoni R. G. Swinney 2014-4-30 16284 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
  CAS-BOT-BC131191  Encelia californica I. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  JEPS34092  Encelia californica W. L. Jepson 1939-4-14 19114 Los Angeles Topanga Canyon Santa Monica Mts., Topanga Canyon Comment
  SD92015  Encelia californica Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22698 Los Angeles San Clemente Island 110 Comment
  UCR213515  Encelia californica A. C. Sanders, Karen Kirtland 2010-5-14 38345 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  RSA0055992  Encelia farinosa Richard G. Swinney 2010-3-16 11927 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
  RSA679207  Encelia farinosa Michael Denslow, Steve Boyd 2003-5-7 1086 Los Angeles Lower Glendora Ridge Motorway (1N26) above Azusa. 518 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
  UCR206164  Encelia farinosa var. phenicodonta A. C. Sanders, T. B. Salvato 2009-5-29 37043 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  CAS-BOT-BC81487  Ephedra aspera David Dreyer 1968-4-6 s.n. Los Angeles Along north slopes of San Gabriel Mts. 1615 Comment
  RSA590074  Ephedra nevadensis Orlando Mistretta 1994-3-30 979 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  UCR264733  Ephedra nevadensis var. nevadensis Steve Boyd, Gary D. Wallace 2011-4-14 12314 B Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA584025  Ephedra viridis T. S. Ross, Steve Boyd 1990-5-29 2705 Los Angeles San Gabriel Mountains. Big Rock Creek. Vicinity of an old, destroyed homestead on the W side of the riparian strip, just upstream from the Gaging Station. 1239 Comment
  SBBG404  Ephedra viridis H. and M. Dearing 1949-4-26 6756 Los Angeles near Pearblossom Heights Comment
  UCR197733  Ephedra viridis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 37 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
  UCR189703  Epilobium R. G. Swinney 1998-7-24 6574 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  SBBG13570  Epilobium canum subsp. canum E. R. Blakley 1961-9-24 4779 Los Angeles Little Harbor at mouth of Little Springs Cyn 6 Comment
  UC202531  Epilobium canum subsp. canum C. F. Baker 1903-8-2 3657 Los Angeles near Claremont; San Antonio Canyon Comment
  UC56483  Epilobium canum subsp. canum Miss E. D. Palmer 1901-1 Los Angeles Los Angeles Comment
  CAS-BOT-BC171917  Epilobium canum subsp. latifolium Peter H. Raven 1959-10-25 14696 Los Angeles Arroyo Sequit 1.6 miles north of Coast Highway, Santa Monica Mountains 137 Comment
  UCR259561  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-7 13699 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR203102  Epilobium ciliatum R. G. Swinney 2001-8-27 8112 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  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
  RSA588473  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1930-7-3 S- 3030 Los Angeles Lexington Wash, San Gabriel River, El Monte. Comment
  POM6278  Epipactis gigantea Arvis Smith 1899-06 105 Los Angeles Claremont. 366 Comment
  RSA0034625  Epipactis gigantea Bonnie C. Templeton 1936-5-18 5665 Los Angeles San Gabrie1 Canyon, 1/2 mile below dam. [San Gabriel Mounntains]. Comment
  SEINET187426 Image available Equisetum arvense F. R. Fosberg 1931-4-15 89 Los Angeles Eagle's Nest Middle Ranch Canyon Santa Catalina sland 180 Comment
  SEINET6050814  Equisetum arvense Unknown 1946-10-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SFV20854  Equisetum hyemale subsp. affine L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 719 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Bench near bottom of Brand Canyon. 576 Comment
  RSA600680  Equisetum hyemale var. affine L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road. 701 Comment
  RSA0073115  Equisetum telmateia subsp. braunii Mark L. Hoefs 1995-5-23 2075 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon, near road to Bulrush Canyon. 116 Comment
  CAS-BOT-BC213588  Eragrostis lehmanniana A. C. Sanders 2003-5-26 25861 Los Angeles Long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 Fwy. east of the San Gabriel River channel, Azusa 7.5' Q., San Gabriel Valley 171 Comment
  POM352253  Eragrostis pectinacea Robert M. Perkins 1936-5-26 179 Los Angeles West L.A. Comment
  RSA732721  Eremalche exilis A. C. Sanders, Tricis Wotipka, Mark A. Elvin 2003-4-28 26140 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UC18783  Eremalche exilis J. Burtt Davy May 9 1896-May 24 1896 2282 Los Angeles near Lancaster Lancaster; Antelope Valley Comment
  RSA578716  Eremalche exilis Tim S. Ross, J. Mark Porter 1994-5-1 7610 Los Angeles Southwestern Mojave Desert: open desert, ca 1740 m S of Black Butte and 1000m W of Three Sisters Buttes. 945 Comment
  SEINET12141702  Eremocarpus setiger E. A. Purer 1933-1 5597 Los Angeles El Segundo Comment
  LA200984  Eremothera boothii subsp. decorticans Carl Wishner; 1991-5-7 1947 Los Angeles 400.0 Comment
  SBBG4914  Eremothera boothii subsp. desertorum E. R. Blakley 1957-5-21 2172 Los Angeles 1 mi W of Littlerock on Hwy 138 877 Comment
  UC1586229  Eriastrum densifolium subsp. austromontanum Tim Ross 1991-8-16 5860 Los Angeles Horse Flats San Gabriel Mts., Chilao Flat USGS 7.5' quad (s end) 1720 Comment
  RSA0119646  Eriastrum densifolium subsp. mohavense P. A. Munz 1928-6-19 11069 Los Angeles Sand hills so. of Mohave. Comment
  UCD118271  Eriastrum eremicum subsp. eremicum Cameron Blake; Jane Turner, Francis M. Ball 1962-6-2 961 Los Angeles Pearblossom. 914 Comment
  RSA0043242  Eriastrum rosamondense LeRoy Gross 2005-5-19 2295 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A., Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  UC23882  Eriastrum sapphirinum J. H. Barber 1897-6-22 168 Los Angeles San Fernando Valley Comment
  RSA0122877  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 1997-6-12 5566 Los Angeles San Gabriel River Canyon north of Morris Dam, at private shore NE of dam. 426 Comment
  RSA0123073  Eriastrum sapphirinum subsp. dasyanthum Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  UCR186902  Ericameria cooperi A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32018 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
  CAS-BOT-BC286888  Ericameria ericoides A. J. McC. 1892-10-1 105 Los Angeles Pasadena 609 Comment
  CAS-BOT-BC287629  Ericameria linearifolia Peter H. Raven; Henry J. Thompson 1960-4-24 15126 Los Angeles Santa Monica Mts. Cornell Corners 213 Comment
  LA202487  Ericameria linearifolia W. R. Ernst; May 1948 sn Los Angeles San Gabriel Mountains, Big Rock Creek Comment
  UCSB50659  Ericameria linearifolia Wood, Kathy 1980-5-22 Los Angeles Interstate 5 north to Hungry Valley Road offramp 22 miles 914 Comment
  POM359395  Ericameria linearifolia Anonymous s.n. Los Angeles [Unspecified] Comment
  CAS-BOT-BC32823  Ericameria monactis Adolph Daniel Edward Elmer 1902-6-1 3668 Los Angeles Lancaster Comment
  CAS-BOT-BC299010  Ericameria nauseosa var. hololeuca Ernest C. Twisselmann 1961-10-31 6683 Los Angeles Liebre Mts: Leona Valley 929 Comment
  CAS-BOT-BC298052  Ericameria nauseosa var. mohavensis Ynez Whilton Winblad 1937-10-11 s.n. Los Angeles Ridge Route Comment
  SD247324  Ericameria nauseosa var. oreophila R. G. Swinney 2010-10-8 14006 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  UC1118785  Ericameria palmeri var. pachylepis A. D. Gifford 1935-1-8 416 Los Angeles mouth Grasshopper Canyon; Tejon Quadrangle Comment
  RSA547467  Ericameria parishii var. parishii Timothy S. Ross, Orlando Mistretta 1992-7-24 6742 Los Angeles NNE of Strawberry Peak between Colby Ranch and W branch of Wickiup Cyn stream 1207 Comment
  RSA628348  Ericameria pinifolia Steve Boyd 1998-10-7 10298 Los Angeles Bouquet Canyon, east of Bouquet Reservoir along Spunky Canyon Road just west of junction with Bouquet Canyon Road. 914 Comment
  RSA702194  Ericameria pinifolia Scott D. White, Pam De Vries 2004-5-18 10403 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
  RSA714987  Ericameria pinifolia A. C. Sanders 2003-5-22 26822 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  SD82972  Ericameria pinifolia James Henrickson 1971-10-14 Los Angeles Northeast Claremont along Padua Hills Road 455 Comment
  UC1118805  Ericameria pinifolia P. L. Johannsen 1934-2-15 285 Los Angeles 1 mi nw San Fernando Pass; S. Susana Quad. 441 Comment
  SBBG112831  Erigeron bonariensis S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 758 Los Angeles upper end of salina at mouth of Cherry Cyn 3 Comment
  OBI26285  Erigeron canadensis Mark Schneider 1974-1-8 s.n. Los Angeles Pierce College Hort. Unit 244 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
  CAS-BOT-BC296192  Erigeron foliosus var. foliosus Louis C. Wheeler 1968-7-23 s.n. Los Angeles North side of Burkhart Saddle, San Gabriel Mountains 2103 Comment
  UC31480  Erigeron foliosus var. foliosus J. H. Barber 1897-7-11 266 Los Angeles summit Mt. Gleason Comment
  RSA652801  Erigeron foliosus var. foliosus Jim Reutzel 1994-5-29 58 Los Angeles Found only below the ridge of the hill northeast of the reservoir, on a north facing slope. Hills behind Cal Poly Pomona campus. Comment
  CHSC3679  Eriodictyon Mary MacArthur 1966-5-26 30 Los Angeles Switzers Camp, San Gabriel Mountains. 91 Comment
  CAS-BOT-BC189152  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; J. Mark Porter 1995-5-4 8511 Los Angeles Texas Canyon, ca 3.6 road miles NE of Bouquet Canyon Road 682 Comment
  CAS-BOT-BC189187  Eriodictyon crassifolium var. nigrescens Ernest C. Twisselmann 1959-6-2 5342 Los Angeles Old Ridge Route, 1.2 miles S of the Lancaster Highway 1097 Comment
  RSA517145  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve Boyd 1990-5-14 2483 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger district. 1162 Comment
  SD131878  Eriodictyon crassifolium var. nigrescens Barbara Ertter 1988-5-23 7487 Los Angeles San Gabriel Mts, N side,along San Andreas fault, Pine Canyon Road (Co Rd N2) N side Comment
  SD53043  Eriodictyon traskiae Peter H. Raven 1962-5-20 17787 Los Angeles Santa Catalina Island; above White's Landing on Airport Road. 427 Comment
  SD72763  Eriodictyon traskiae F. R. Fosberg 1931-5-6 S 4790 Los Angeles Santa Catalina Island; just below junction of two main forks, Cape Canyon, near head. 249 Comment
  RSA455071  Eriodictyon trichocalyx var. trichocalyx F. R. Fosberg 1931-6-11 S 5662 Los Angeles Islip trail, S slope Mt. Hawkins. 2200 Comment
  SBBG133183  Eriogonum B. C. Templeton 1967-8-1 10218 Los Angeles half-mile N of Roundtop; San Gabriel Mtns 1890 Comment
  UCR223242  Eriogonum R. G. Swinney 2009-7-23 11373 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
  SBBG61886  Eriogonum baileyi P. A. Munz, I. M. Johnston 1928-9-5 11185 Los Angeles rd from Rock Crk to Swartout Valley 1676 Comment
  UCR209264  Eriogonum baileyi R. G. Swinney 2008-10-8 9540 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR239946  Eriogonum baileyi R. G. Swinney 2009-11-16 11625 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  CAS-BOT-BC241586  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1955-8-10 2331 Los Angeles San Emigdio Range. Upper Castaic Valley 1226 Comment
  RSA586031  Eriogonum baileyi var. baileyi Orlando Mistretta 1995-10-2 1947 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  CAS-BOT-BC244058  Eriogonum brachyanthum A. D. E. Elmer 1902-6-1 3688 Los Angeles Acton Comment
  CAS-BOT-BC244061  Eriogonum brachyanthum James L. Reveal 1978-6-25 4779 Los Angeles On the off-ramp of California Hghway 14 and Avenue P north of Palmdale 792 Comment
  OBI34897  Eriogonum cinereum David J. Keil 1983-8-23 17873 Los Angeles Just W of Leo Carillo State beach along hwy 1, ca. 1 mi E of Ventura County line Comment
  SEINET6332077  Eriogonum cinereum David J. Keil 1983-8-23 17873 Los Angeles South Coast; Just west of Leo Carrillo State beach along Hwy 1, c. 1 mi. south of Ventura Co. line 8 Comment
  UC534869  Eriogonum cinereum Mrs. H. P. Bracelin 1931-10-11 570 Los Angeles about 1 1/2 mi e ocean beach (Lower Topenga Canyon); Santa Monica Mts., Lower Topenga Canyon Comment
  UCR272629  Eriogonum davidsonii R. G. Swinney 2011-8-5 15597 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
  POM306178  Eriogonum davidsonii Henry J. Ramsey, Henry J. Ramsey 1937-9-2 s.n. Los Angeles Angeles Crest Highway. Comment
  RSA766329  Eriogonum davidsonii F. R. Fosberg, Joseph A. Ewan 1931-8-10 s.n. Los Angeles Crystal Lake, N fork San Gabriel River. San Gabriel Mountains. 1616 Comment
  RSA0056368  Eriogonum elongatum James R. Shevock 1978-9-16 2266 Los Angeles Malibu Cyn. 304 Comment
  RSA0031686  Eriogonum fasciculatum Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills. Comment
  RSA650856  Eriogonum fasciculatum K. C. Zakar 1969-08 s.n. Los Angeles Mt. Hollywood Road, Griffith Park. 305 Comment
  RSA654270  Eriogonum fasciculatum Monica Acosta 1998-5-25 21 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  RSA658410  Eriogonum fasciculatum Erinn Wilson 1996-5-18 30 Los Angeles Found in G canyon CPU Comment
  UCR271211  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. 671 Comment
  CAS-BOT-BC253206  Eriogonum fasciculatum var. fasciculatum Lewis S. Rose 1960-8-28 60087 Los Angeles E. slope of Coldwater Canyon, Santa Monica Mts. 335 Comment
  SBBG62051  Eriogonum fasciculatum var. fasciculatum R. Hoffmann 1931-4-28 Los Angeles Bouquet Cyn Comment
  LA52260  Eriogonum fasciculatum var. foliolosum Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM2245  Eriogonum fasciculatum var. foliolosum D. L. Crawford 1915-8-14 502 Los Angeles San Gabriel Mountains: Palmer Canyon, Claremont 1524 Comment
  RSA393409  Eriogonum fasciculatum var. foliolosum Lester H. Cushman 1933-6-4 s.n. Los Angeles Glendale 488 Comment
  UCSB1417  Eriogonum fasciculatum var. foliolosum White, Arthur 1960-5-13 Los Angeles Next to Hwy. 138, 1 mi. W of Pearblossom; Mojave desert Comment
  CDA1011  Eriogonum giganteum D. G. Kelch 1991-3-17 1322 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  UC1765236  Eriogonum giganteum A. C. Sanders 1988-5-18 7850 Los Angeles El Segundo Dunes, immediately W of L.A. Int. Airport and E of Vista Del Mar Blvd. From subsite 9 near the 15 border Comment
  SBBG128371  Eriogonum giganteum var. giganteum M. L. Hoefs 1973-5-21 295 Los Angeles rd on point past Pebbly Beach Cyn, by old dump 30 Comment
  CAS-BOT-BC253473  Eriogonum gracile Geo. B. Grant 1901-8-15 s.n. Los Angeles Pasadena Comment
  JEPS97055  Eriogonum gracile Ralph Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UC75289  Eriogonum gracile Abrams 1902-7-5 1561 Los Angeles Agusa Comment
  RSA656200  Eriogonum gracile var. gracile Joseph M. Keefe 1977-6-11 22188 Los Angeles Verdugo Mountains: Shoulder of Foothill Boulevard near Tujunga Wash, Sunland. Comment
  RSA710384  Eriogonum gracillimum LeRoy Gross 2005-5-3 2188 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA766506  Eriogonum gracillimum Ralph Hoffmann 1930-4-29 2861 Los Angeles Lancaster, Mojave Desert. 701 Comment
  RSA226964  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1971-8-25 41250 Los Angeles San Gabriel Mountains, Angeles National Forest: Summit of Throop Peak 2784 Comment
  SBBG64021  Eriogonum kennedyi var. kennedyi E. E. Morse 1940-4-14 Los Angeles toward mtn top above Big Pines Camp 2438 Comment
  RSA393659  Eriogonum maculatum Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  POM50859  Eriogonum maculatum A. D. E. Elmer 1902-06 3708 Los Angeles Acton. Comment
  UCSB30874  Eriogonum mohavense Burgess, Rick 1978-5-20 Los Angeles 106 St. East; 3 miles south of junction with Pear Blossom Hwy 914 Comment
  RSA0110661  Eriogonum nudum Richard G. Swinney 2010-9-30 13956 Los Angeles San Gabriel Mountains: 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCD100841  Eriogonum plumatella M. Vincent 1962-10-4 298 Los Angeles 31 St. east and Pallett Creek Road. Comment
Read comments
Jul 28 2014
  SD108955  Eriogonum roseum James Henrickson 1972-11-2 8087 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at Mc Bean Parkway near Orchard Village Rd. 372 Comment
  UC1584268  Eriogonum thurberi Tim Ross, Steve Boyd 1990-6-6 2849 Los Angeles Green Valley Pasture in San Francisquito Canyon San Francisquito Canyon, Lake Hughes USGS 7.5' quad. 926 Comment
  RSA293403  Eriogonum umbellatum var. minus Reino Alava, R. C. Bacigalupi 1958-7-20 2223 Los Angeles San Gabriel Mountains, Angeles Crest Highway (California Highway No. 2), west of Dawson Saddle, south of Mt. Lewis, Angeles National Forest 2430 Comment
  RSA756995  Eriogonum umbellatum var. minus R. G. Swinney 2008-7-3 9145 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp. 2329 Comment
  SBBG64209  Eriogonum vimineum R. Hoffmann 1928-11-11 Los Angeles near Harold Comment
  UCR209530  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-10-10 9571 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR276758  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2011-10-13 15790 Los Angeles San Gabriel Mountains, Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  SBBG28189  Eriogonum wrightii var. subscaposum V. Duran 1933-7-28 3540 Los Angeles Buckhorn 1981 Comment
  SD257357  Eriogonum wrightii var. subscaposum R. G. Swinney 2010-9-9 13760 Los Angeles San Gabriel Mountains: Big Cienaga, north of Crystal Lake Campground, 0.6 mile E of Deer Flats Campground, along FS Rd 3NO7.2/North Crystal Lake Rd. (Crystal Lake 7.5'Q) Comment
  OBI44799  Eriophyllum confertiflorum David J. Keil, V. L. Holland, Michael Stiles, and Francis Villiablanca 1987-5-1 20059 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  POM183627  Eriophyllum confertiflorum Joseph A. Ewan 1929-5-18 3422 Los Angeles Las Flores Canyon Comment
  RSA746416  Eriophyllum confertiflorum R. G. Swinney 2008-6-4 8931 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  RSA751117  Eriophyllum confertiflorum Justin M. Wood 2009-6-5 838 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SFV16063  Eriophyllum confertiflorum P. W. Byrne, H. Levin 1994-4-10 11 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  LA200195  Eriophyllum confertiflorum var. confertiflorum T. A. Geissman; 1966-5-14 TAG- 51466 -EC Los Angeles 329 Comment
  LA94440  Eriophyllum confertiflorum var. confertiflorum W. O. Griesel; 1934-5-3 4449 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SBBG12000  Eriophyllum confertiflorum var. confertiflorum A. C. Sanders 2003-3-14 25761 Los Angeles boundary of Irwindale and Azusa, E of Irwindale Ave, S of Interstate 210 (which bisects pit) and N of Santa Fe Railroad, E of the San Gabriel River channel 520 Comment
  UC566762  Eriophyllum confertiflorum var. confertiflorum H. L. Mason 1926-4-26 2957 Los Angeles 4 mi w Saugus Comment
  CAS-BOT-BC308351  Eriophyllum nevinii Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4280 Los Angeles Lower half of China Canyon, S end of island, W side, San Clemente Island Comment
  CAS-BOT-BC308368  Eriophyllum nevinii Alice Eastwood 1917-7-25 6448 Los Angeles Santa Catalina Isl. Comment
  SEINET3196472 Image available Eriophyllum wallacei Richard G. Swinney 2009-4-2 10245 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
  UC1428706  Eriophyllum wallacei J. L. Strother 1973-3-23 1153 Los Angeles 15 mi e Lancaster; Saddle Back Butte State Park Comment
  UCR170400  Eriophyllum wallacei John F. Green 2006-3-15 s.n. Los Angeles Mojave Desert, between Llano and Pearblossom, Hwy 138 at Big Rock Wash crossing, both sides of wash in zone being cleared for highway widening 963 Comment
  UC1260225  Eriophyllum wallacei Dale E. Johnson with J. L. Strother 1974-4-24 96 Los Angeles on CA 138 e of Pearblossom (7.1 km (4.4 mi) nw of border of San Bernardino Co., (pearblossom-Pinon Hills rd), just s of aqueduct crossing, s side of road); CA 138 Comment
  UCR73398  Erodium botrys T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-28 18 Los Angeles Channel Islands, San Clemente Island, 1100 ft. SSW of Twin Dams, 1450 ft. NNW of Boulder marker (1859 ft.). 503 Comment
  RSA0113439  Erodium botrys Steven A. Junak 1999-5-21 SCa- 965 Los Angeles Santa Catalina Island. At ridge just E of KBRT Radio Station, along S side of Airport Road, plant stop, on E side of KBRT Valley. Next to road. 445 Comment
  RSA0113727  Erodium botrys Steven A. Junak 1999-5-21 SCa- 998 Los Angeles Santa Catalina Island. Just S of main road intersection, along road to Coffee Pot Canyon. 497 Comment
  SD90517  Erodium botrys Robert F. Thorne 1966-4-17 36083 Los Angeles San Clemente Island: Grassland near reservoirs between Boulder and Horton, northeast side of island. 487 Comment
  UCR73410  Erodium brachycarpum T. S. Ross 1991-4-21 4549 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull & Sycamore Canyons 329 Comment
  CATA1622  Erodium cicutarium Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2895 Los Angeles Santa Catalina Island: Near Divide Road, east end, 1.8 miles from Wrigley Memorial 341 Comment
  SFV21395  Erodium cicutarium L. Gross 2002-3-7 491 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Off La Tuna Canyon Road in Santa Monica Mountains Conservancy land, south of 210 Freeway. 579 Comment
  UCR200142  Erodium cicutarium Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 806 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
  UCR281392  Erodium cicutarium R. G. Swinney 2014-5-27 16659 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  SEINET269165  Erodium moschatum Scott D. White 1995-3-15 2560 Los Angeles Upslope from Winter Canyon near Pepperdine Univ.; north of Pacific Coast Highway east of Malibu Canyon road south wes 91 Comment
  CAS-BOT-BC40700  Erysimum capitatum A. D. E. Elmer 1902-6-1 3699 Los Angeles Mount Gleason. Acton. Comment
  UCR108373  Erysimum capitatum var. capitatum L. C. Wheeler 1970-6-28 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp 2012 Comment
  CHSC95856  Erythranthe floribunda LeRoy Gross; M. Denslow, W. Hogshead, S. Swartzentruber 2003-6-17 1048 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. UTM Zone 11; 3784447N 0383368E. A smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall. (or seep). 519 Comment
  UCR157499  Eschscholzia caespitosa Scott D. White 1994-7-14 2261 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  UCR200043  Eschscholzia caespitosa Valerie Soza, B. Hogshead 2003-4-23 1644 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, ridgetop between Brand Canyon and Childs Canyon 595 Comment
  RSA66738  Eschscholzia caespitosa subsp. caespitosa F. W. Peirson 1921-7-16 2503 Los Angeles East fork of San Gabriel River. 1372 Comment
  CAS-BOT-BC403167  Eschscholzia californica Geo. Thurber 1852-5-1 603 Los Angeles San Pasqual Comment
  UC187404  Eschscholzia californica Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  CSUSB1753  Eschscholzia californica Keith Thompson 1970-3-29 Los Angeles Cedar Springs 1280 Comment
  RSA718269  Eschscholzia minutiflora R. G. Swinney 1998-4-14 5993 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  CATA688  Eschscholzia ramosa Mark L. Hoefs 1991-4-26 1179 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  SEINET12190762  Eucalyptus W. F. Wight 1907-1 1678 Los Angeles West Lake Park, Los Angeles Comment
  SEINET3463249  Eucalyptus globulosus Unknown 1939-7-10 119 Los Angeles Los Angeles, Los Angeles, Campus Comment
  LA34240  Eucalyptus globulus Peter H. Raven; 2013-6-29 13733 Los Angeles Santa Monica Mountains, near planted grove, Elysian Park 198 Comment
  RSA747883  Eucrypta chrysanthemifolia var. chrysanthemifolia Justin M. Wood 2009-3-6 332 Los Angeles City of Claremont: NW corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County. 402 Comment
  UC1922667  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie Soza, Miriam Sidibeh 2003-3-26 1608 Los Angeles Transverse Ranges; Verdugo Mountains region; Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  RSA0073113  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs 1991-4-8 1053 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel. 143 Comment
  RSA420820  Eucrypta chrysanthemifolia var. chrysanthemifolia Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. Comment
  SD252325  Euphorbia Steven A. Junak 2000-7-1 Sca 1365 Los Angeles Santa Catalina Island: L. County Interpretive Center. 73 Comment
  RSA727367  Euphorbia albomarginata R. G. Swinney 1998-5-16 6073 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  CLARK-A1528-2701  Euphorbia maculata John C. Roos 1942-9-12 1756 Los Angeles Los Angeles Comment
  SD215494  Euphorbia melanadenia Louis C. Wheeler 1936-7-3 4211 Los Angeles San Gabriel Mountains: Bailey Canyon. 395 Comment
  UCR190817  Euphorbia palmeri R. G. Swinney 1999-7-5 7507 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  UCR216556  Euphorbia peplus Dan S. Cooper 2010-4-23 410- 56 C Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Griffith Park, Western Canyon, ridge NW of the observatory 291 Comment
  UCR261539  Euphorbia peplus R. G. Swinney 2010-2-27 11701 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
  RSA702458  Euphorbia polycarpa Gary D. Wallace 1978-2-12 1580 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  RSA433507B  Euphorbia spathulata M. B. Dunkle 1928-5-13 1958 Los Angeles Santa Catalina Island. Head of Swain's Canyon. 396 Comment
  RSA69418  Eustoma exaltatum F. W. Peirson 1917-5-1 880 Los Angeles Topanga Canyon, Santa Monica Mountains. Comment
  CAS-BOT-BC239707  Fabaceae G. W. Garrettson 1954-7-9 s.n. Los Angeles On south side of Valley Boulevard, 1/4 mile east of Collins St., Spandra Comment
  SD69653  Festuca arundinacea Robert F. Thorne 1967-5-18 36861 Los Angeles Santa Catalina Island: Middle Bulrush Canyon, near stream bed 244 Comment
  RSA763750  Festuca californica subsp. parishii Orlando Mistretta, Christine Mistretta 2008-5-20 3142 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  RSA0092854  Festuca microstachys D. E. Bramlet 1999-4-27 2740 Los Angeles Western Transverse Range: Agoura Hills, Yerba Buena Elementary School proposed site (subsequently built), 34 acres, end of Reyes Adobe Rd. near Ventura Co. line. 317 Comment
  UCR273183  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 'Millie's Apple Orchard 912 Comment
  UCR127193  Festuca octoflora A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26279 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  CAS-BOT-BC500446  Ficus microcarpa R. E. Riefner, Jr. 2015-7-26 15 -209 Los Angeles City of Los Angeles, E side of Figueroa St. at 45th St. 42 Comment
  RSA675945  Filago californica LeRoy Gross 2003-3-9 804 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
  UCR136843  Filago gallica 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
  RSA590595  Filago gallica Timothy S. Ross, Walter Appleby 1993-5-20 7184 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  RSA602182  Foeniculum vulgare L. C. Wheeler 1946-10-26 6394 Los Angeles San Gabriel Mountains: West side of San Gabriel Canyon. 297 Comment
  SFV2744  Forestiera pubescens R. L. Armacost 1933-7-4 12 dup. Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  CAS-BOT-BC384172  Forestiera pubescens subsp. parvifolia Robert F. Thorne; Walter Wisura; Suzanne Granger; Pamela Burton 1982-4-20 55016 Los Angeles San Gabriel Mts: Near mouth of Rock Creek, N slope of mountains 1203 Comment
  RSA392133  Frasera neglecta Bonnie C. Templeton 1939-6-19 4932 Los Angeles Big Pines Park Comment
  UCR193635  Fraxinus pennsylvanica subsp. velutina A. C. Sanders 2008-7-10 35733 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
  UC1922447  Fraxinus uhdei LeRoy Gross 2007-5-16 2731 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southern side of the range: Entrance to Wildwood Canyon at intersection with Harvard Road and Wildwood Canyon Road. Near 387 Comment
  RSA0077520  Fremontia californica G. Wallace 1964-5-18 s.n. Los Angeles Dalton Canyon. Comment
  RSA749028  Fremontodendron californicum R. G. Swinney 2008-5-5 8748 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  UCR223716  Fremontodendron californicum R. G. Swinney 2009-6-17 11206 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA367720  Fritillaria biflora E. Crow 1929-4-14 327 Los Angeles Hills E of Glendora. Comment
  CAS-BOT-BC304324  Galinsoga parviflora F. W. Peirson 1931-4-11 9375 Los Angeles 1077 New York Ave, Altadena Comment
  UCR276973  Galium andrewsii R. G. Swinney 2010-6-1 13144 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  CAS-BOT-BC223026  Galium angustifolium A. C. Sanders; Helen Kennedy 2005-4-13 29458 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  LA208318  Galium angustifolium J. Sauer; R. Gibson 1971-5-1 4901 Los Angeles Piru Creek, Bailey Flats, site of the future Pyramid Reservoir Comment
  UCR260621  Galium angustifolium R. G. Swinney 2010-8-9 13456 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail 427 Comment
  SEINET12285257  Galium angustifolium E. A. Purer 1933-1 5582 Los Angeles El Segundo Comment
  LA50686  Galium angustifolium subsp. angustifolium Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA167631  Galium angustifolium subsp. angustifolium Peter H. Raven, Robert F. Thorne 1964-5-7 18997 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA600351  Galium angustifolium subsp. angustifolium Steve D. Boyd, Lauren Raz 1997-5-28 9889 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA647797  Galium angustifolium subsp. angustifolium LeRoy Gross, Laura Moore 2000-6-5 208 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 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
  POM367695  Galium angustifolium subsp. gabrielense M. B. Dunkle 1933-6-17 3612 Los Angeles San Antonio River Canyon. Coastal Southern California. 915 Comment
  RSA678206  Galium angustifolium subsp. gabrielense Valerie L. Soza, LeRoy Gross 2001-4-18 1133 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 793 Comment
  UCR111501  Galium angustifolium subsp. gabrielense A. C. Sanders, D. Malueg 1998-6-22 22026 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 Comment
  JEPS27192  Galium catalinense subsp. acrispum Reid Moran 1958-9-15 6822 Los Angeles canyon 1.8 mi se Eel Point; San Clemente Island 100 Comment
  SBBG96667  Galium catalinense subsp. acrispum S. Boyd with T. Ross, L. Arnseth 1990-4-7 4263 Los Angeles lower half of China Cyn Comment
  SD52882  Galium catalinense subsp. acrispum Peter H. Raven 1962-5-7 17583 Los Angeles San Clemente Island, just above coast 1 mile south of Wilson Cove 74 Comment
  POM367800  Galium catalinense subsp. catalinense George B. Grant, Walter Wheeler 1904-4-21 1931 -3574 Los Angeles Santa Catalina Island. Comment
  JEPS38129  Galium hallii Lauramay T. Dempster and Clare Hardham 1965-6-16 4125 Los Angeles Vincent Gulch Divide San Gabriel Mountains, Angeles Crest Highway 2007 Comment
  UC1584898  Galium johnstonii Tim Ross and Steve Boyd 1991-7-24 5609 Los Angeles ridge nne G.M.; Pacifico Mountain USGS 7.5' quad, Granite Mountain vicinity 1892 Comment
  POM155738  Galium nuttallii subsp. insulare M. B. Dunkle 1928-4-10 1936 Los Angeles Santa Catalina Island. Johnson's Canyon in Ironwood grove. 396 Comment
  CLARK-A1528-5726  Galium parvifolium John C. Roos 1937-7-16 484 Los Angeles San Gabriel Mountains Comment
  JEPS52955  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1964-1-26 3980 Los Angeles Angeles Crest Hwy at Brown Canyon; San Gabriel Canyon 731 Comment
  JEPS2601 Image available Galium siccatum var. anotinum Frank W. Peirson 1918-7-8 215 Los Angeles Baldy San Gabriel Mountains, Mt. San Antonio; Mt. San Antonio (Baldy), Los Angeles Co. 2133 Comment
  UCR214672  Gamochaeta pensylvanica A. C. Sanders, Dan S. Cooper 2010-4-30 38154 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA602400  Gamochaeta pensylvanica L. C. Wheeler 1946-12-14 6449 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  RSA642266  Gamochaeta pensylvanica C. F. Smith 1958-5-9 5771 Los Angeles At 1791 Rosa Villa, Pasadena. Comment
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Sep 3 2013
  RSA656224  Gamochaeta pensylvanica Joseph M. Keefe 1978-5-23 23276 Los Angeles Verdugo Mountains: Summit of hill, 200 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 317 Comment
  RSA392391  Garrya flavescens subsp. pallida Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  POM184689  Garrya veatchii Joseph A. Ewan 1932-6-18 7354 Los Angeles Clear Creek Fork of Jujunga Canyon. 762 Comment
  RSA719732  Garrya veatchii R. G. Swinney 1996-8-7 5214 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  RSA0099417  Gayophytum oligospermum R. G. Swinney 2011-8-5 15596 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
  UCR256605  Gayophytum racemosum Anuja Parikh, Nathan Gale 2011-7-6 3542 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 4.0 km west of Shortcut Station, 1.0 km north of State Hwy 2, Angeles Crest Hwy Comment
  CATA3525  Genista linifolia Kristy Lanz, Benjamin Dion, Niall Ogburn, Robert Gould 2018-4-9 001 Los Angeles Santa Catalina Island: Interior; Northwest-facing slope about 200 meters south of Haypress Reservoir in the Haypress watershed 407 Comment
  RSA390986  Geranium carolinianum F. R. Fosberg 1931-4-15 s 4627 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  UCR225179  Geranium dissectum Steve Boyd, Rick Riefner 2007-4-27 11744 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA0080772  Gilia R. G. Swinney 2010-5-19 12774 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
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Dec 7 2018
  RSA0108839  Gilia R. G. Swinney 2010-5-21 12898 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. W end of summit. 1299 Comment
  RSA587760  Gilia T. S. Ross 1991-4-27 4624 -c Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  SEINET6969900  Gilia Wanda P. Vestal, A. G. Vestal 1955-3-26 3479 Los Angeles East side of road in field, Antelope Valley east of Fairmont on 110th Street. Comment
  RSA640329  Gilia achilleifolia subsp. abrotanifolia L. C. Wheeler 1931-5-17 s.n. Los Angeles Base of San Gabriel Mountains: San Dimas canyon Comment
  RSA506806  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1967-5-12 9466 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA67338  Gilia aliquanta subsp. aliquanta D. D. Keck 1949-4-25 6261 Los Angeles NW of Cajon Pass on Hwy 138, near San Bernardino - Los Angeles county line. Comment
  SD45607  Gilia angelensis Darley F. Howe 1953-5-2 2275 Los Angeles Wain Canyon, Catalina Island. Comment
  UC1234703  Gilia angelensis Peter H. Raven 1962-3-27 17000 Los Angeles 1.4 mi e Portuguese Bend (Palos Verdes Hills along Palos Verdes Drive); Palos Verdes Hills, e of Portuguese Bend Comment
  RSA470100  Gilia angelensis Donald R. Bissing 1973-5-18 91 Los Angeles Evey Canyon, San Gabriel Mountains: roadside 0.4 mile from mouth of canyon. 732 Comment
  RSA72292  Gilia angelensis F. W. Peirson 1918-5-26 157 Los Angeles Hennigers Flat, Mt. Wilson Toll Road 853 Comment
  UCR214041  Gilia brecciarum A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37981 Los Angeles Tehachapi Mountains, west fork of Crane Canyon, 1.47 mi. SE (155 deg. ) of Castac Lake, 1.36 mi. NE (56 deg. ) of Gorman, just S of Kern Co. line 1221 Comment
  SEINET6061868  Gilia cana Scott D. White 1998-6-29 6832 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SD234476  Gilia capitata A. C. Sanders 2003-5-1 26243 Los Angeles Western San Gabriel Mtns.: SW side of Castaic Mesa, E of Lake Hughes Rd., and the filtration plant, Newhall Ranch (Newhall 7.5' Q) 395 Comment
  RSA470246  Gilia capitata subsp. abrotanifolia Geo L. Moxley 1915-5-8 318 Los Angeles Cota, near Long Beach. Comment
  RSA570061  Gilia capitata subsp. abrotanifolia T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4888 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity 492 Comment
  UCD117689  Gilia capitata subsp. abrotanifolia Robert F. Thorne; M. Z. Thorne 1967-6-25 37105 Los Angeles San Gabriel Mountains, Evey Canyon. 883 Comment
  RSA0115688  Gilia latiflora subsp. davyi A. C. Sanders 2007-4-25 33588 Los Angeles Tehachapi Mtns.: Oso Canyon, 075 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA86983  Gilia latiflora subsp. davyi Verne Grant 1955-4-16 20667 Los Angeles Head of Antelope Vallaey 34 miles above Lancater. Comment
  RSA600061  Gilia latiflora subsp. latiflora Steve Boyd, Lauren Raz 1997-5-20 9816 Los Angeles Liebre Mountains region: Eastern flank of Liebre Mountain, along ridge top firebreak near the head of the North Fork Fish Canyon, due north of Atmore meadows and west of the saddle between Liebre and Sawmill mountains. 1585 Comment
  UC23664  Gilia latiflora subsp. latiflora J. H. Barber 1897-6-28 208 Los Angeles Kentucky Springs Kentucky Springs (Southern California) Comment
  UC908483  Gilia latiflora subsp. latiflora Herbert L. Mason 1932-4-1 6869 Los Angeles one mi e Lancaster; Mohave Desert, e of Lancaster Comment
  SFV19333  Gilia leptantha subsp. transversa P. Wilson, J. N. Hogue 2005-5-23 4215 Los Angeles San Gabriel Mountains Highway 2, about 0.3 km east of Newcomb Ranch. In roadside depression. 1650 Comment
  UC1929545  Gilia leptantha subsp. transversa Valerie Soza, Naomi Fraga 2003-6-13 1669 Los Angeles Transverse Ranges; San Gabriel Mountains region; Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06; Mount San Antonio quad.; T3N R7W S18, SW/4; UTM 3800050N, 0439579E; elev. 8300 ft 2530 Comment
  UCR223811  Gilia leptantha subsp. transversa R. G. Swinney 2009-6-17 11195 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  CDA22265  Gilia tricolor subsp. tricolor Garrettson 1915-1 s.n.-A Los Angeles Montebello Hills District. 0 Comment
  SFV6448  Glyptopleura marginata T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 201 Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  HSC5675  Glyptopleura setulosa C. S. Apperson 1966-4-24 Los Angeles Junction of 240th St. and Ave. R8. Pearblossom area Comment
  POM358857  Gnaphalium beneolens Louis Greata 1900-9-16 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  UCR180039  Gnaphalium canescens R. G. Swinney, Dave Larson 1996-8-7 5230 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  UCR219473  Gnaphalium luteoalbum R. G. Swinney 2009-3-31 10220 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 0.7-1.2 mi. north and NE of Foothill Blvd, Azusa/Duarte 213 Comment
  RSA747421  Gnaphalium palustre R. G. Swinney 2008-5-12 8846 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  UC729769  Gnaphalium palustre Carl B. Wolf 1932-5-12 Los Angeles between Little Harbor and Cottonwood Creek; Santa Catalina Island 45 Comment
  RSA596080  Gnaphalium stramineum Timothy S. Ross, S. D. Boyd 1995-6-28 8649 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA776559  Gnaphalium stramineum Orlando Mistretta, Christine Mistretta 2010-6-15 5309 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  OBI36559  Goodmania luteola F. C. Vasek 1985-6-5 s.n. Los Angeles Antelope Valley, along Hwy 138, ca 2 mi W of hwy 14 Comment
  OBI6972  Grayia spinosa Shirley Vaughan 1974-5-11 30 Los Angeles Found at 10th St E and Kettering St., Lancaster Comment
  RSA756891  Grindelia camporum var. camporum Orlando Mistretta, Christine Mistretta 2008-4-8 2395 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  UC447142  Grindelia hirsutula J. Ewan 1931-5-11 4184 Los Angeles vacant lots at Bonnie Brae and Beverley; Los Angeles Comment
  RSA158268  Guillenia lasiophylla P. H. Raven 1962-7-10 17974 Los Angeles Upper reaches of Cave Canyon, the large canyon draining SW from large canyon draining SW from Thirst, San Clemente Island Comment
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Dec 22 2010
  UCR178176  Gutierrezia californica LeRoy Gross, Steve Fischer, G. D. Wallace, et al. 2002-12-7 676 Los Angeles Transverse Ranges: San Gabriel Mtns, Limekiln Canyon 518 Comment
  UCR261363  Gutierrezia californica R. G. Swinney 2010-4-1 12166 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCR239983  Gutierrezia microcephala R. G. Swinney 2009-11-13 11606 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  SEINET7989337  Haplopappus canus Reid Venable Moran 1975-8-24 22694 Los Angeles San Clemente Island, China Canyon, above confluence of Iwo Jima Gulch 200 Comment
  SEINET11849269  Haplopappus pinifolius J. C. Nevin n d 1800 Los Angeles Los Angeles Comment
  UCR119051  Haplopappus venetus Jeremiah George 2000-1 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes Estates, Malaga Cove 1 Comment
  SBBG113051  Harpagonella palmeri S. A. Junak with K. Kirkland 1998-4-30 SCa 577 Los Angeles ca. 0.35 mi ENE of East Summit at head of side branch of Hamilton Cyn 371 Comment
  UCR99403  Harpagonella palmeri Lauren Raz, Orlando Mistretta, M. Wall 1997-3-16 068 Los Angeles Channel Islands, Santa Catalina Island, Avalon Canyon via 'Divide Trail', NE of the Wrigley Botanical Garden 183 Comment
  SEINET10454454  Hedera helix Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4769 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CDA34301  Hedypnois cretica M. O'Brien 2011-6-14 MOB 11 -4 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  LA32026  Helenium puberulum Peter H. Raven; 1959-10-25 14713 Los Angeles 91 Comment
  CAS-BOT-BC223981  Helianthemum scoparium John I. Carlson 1918-4-29 s.n. Los Angeles Sierra Madre Comment
  UC1069456  Helianthus annuus R. St. John 1933-3-24 355 Los Angeles Aliso Canyon Santa Susana Quad., Aliso Canyon 487 Comment
  SD30981  Helianthus annuus Edith A. Purer 1931-2-21 Los Angeles Palos Verdes Comment
  POM306252  Helianthus annuus subsp. lenticularis Henry J. Ramsey, Henry J. Ramsey 1938-6-2 I 368 Los Angeles North Craig Ave., Altadena Comment
  POM223440  Helianthus californicus Garrettson 1936-4-29 29 Los Angeles Garfield Ave. near Grove Street, south of Monterey park Comment
  UC1069475  Helianthus gracilentus R. St. John 1931-4-30 211 Los Angeles Tejon Quadrangle, Palomas Canyon Comment
  SEINET3147444  Helianthus gracilentus H. M. Hall, G. R. Hall 1908-7-4 8333 Los Angeles San Francisco Canyon Comment
  POM369743  Heliotropium curassavicum var. oculatum Tom Burch 1940-06 s.n. Los Angeles Redondo Beach 0 Comment
  POM369748  Heliotropium curassavicum var. oculatum G. J. Hollenberg 1928-7-24 s.n. Los Angeles S of Del Rey, Palisadea along RR at foot of bluff Comment
  SD253392  Hemizonella minima R. G. Swinney 2011-6-7 15043 Los Angeles San Gabriel Mts.: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road (Chilao Flat 7.5'Q) 1584 Comment
  UCR238653  Hemizonella minima Anuja Parikh, Nathan Gale 2010-6-19 3343 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy), 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  POM360266  Hemizonia fasciculata Geo L. Moxley, Grinnell 1916-06 484 Los Angeles Hills near Santa Susanna Pass Comment
  RSA455893  Hemizonia fasciculata M. Bisbee 1917-5-29 s.n. Los Angeles Hills north side Eagle Rock Valley 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
  CAS-BOT-BC135950  Hesperoyucca whipplei Peter H. Raven; Henry J. Thompson 1959-5-5 14150 Los Angeles On chaparral burn, 4.1 miles north-west of Tapia Park on road to Malibu Lake - Santa Monica Mountains 182 Comment
  RSA550432  Heterocodon rariflorum T. S. Ross 1992-7-10 6657 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  SBBG27201  Heteromeles arbutifolia I. W. Clokey, B. Templeton -Jul-1929 4589 Los Angeles Mandeville Cyn 200 Comment
  UC860400  Heteromeles arbutifolia Carl B. Wolf 1932-10-6 Los Angeles w side Avalon; Santa Catalina Island 91 Comment
  SBBG95487  Heterotheca grandiflora M. B. Dunkle 1928-11-25 2036 Los Angeles Hamilton Beach Comment
  RSA0074414  Heterotheca grandiflora Anstruther Davidson 1999 Los Angeles Santa Monica. Comment
  RSA591558  Heterotheca grandiflora L. C. Wheeler 1966-9-21 8900 Los Angeles San Gabriel Mountains. North fork San Gabriel River, 1/4 mi. west of intersection of main road with road to upper Bichota Canyon 930 Comment
  UCR126333  Heterotheca sessiliflora A. C. Sanders 2003-8-5 27108 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UC212588  Heuchera abramsii I. M. Johnston 1918-7-6 2096 Los Angeles summit Baldy (Type Station); San Antonio Mountains 3048 Comment
  RSA0096741  Heuchera elegans F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5532 Los Angeles Mt. Islip, near summit. 2440 Comment
  RSA85508  Heuchera rubescens var. glandulosa G. R. Campbell 1954-2-5 18785 Los Angeles Grown at RSA Botanic Garden under Prop No. 8260, from seed collected by E.K. Balls and P.C. Everett, Oct 12, 1952. 7.2 miles SW of boundary of Lava Beds National Monument. Rd from Indian Well Ranger Station, Sikiyou Co, Cal. Comment
  UC306194  Hieracium argutum I. M. Johnston 1918-8-25 2129 Los Angeles shaded cliff in Evey Canyon (San Antonio Mountains); , Evey Canyon 914 Comment
  UCD115096  Hirschfeldia incana Jack Delaini 1974-4-25 129 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 426 Comment
  SEINET3132587  Hoita macrostachya Unknown 1902-7-6 2657 Los Angeles Near Azusa Comment
  RSA488446  Holodiscus discolor Mark Hoefs 1974-9-17 535 Los Angeles Santa Catalina Island. Gallagher's Canyon- lower west fork. 30 Comment
  CAS-BOT-BC149955  Holodiscus discolor var. discolor Joseph Andorfer Ewan 1933-7-4 7853 Los Angeles Sturdevant Trail, Santa Anita Canyon, San Gabriel Mts. 1066 Comment
  CAS-BOT-BC284993  Hordeum depressum Alice Eastwood 1906-5-27 178 Los Angeles Country adjacent to Los Angeles. San Pedro Comment
  CATA1994  Hordeum intercedens Steven A. Junak, Mark Hoefs, Janet Takara 1997-3-28 402 Los Angeles Santa Catalina Island: N side of Cherry Cove, at Birdie Chester gravesite (1906) 21 Comment
  CATA655  Hordeum intercedens Mark L. Hoefs 1991-4-18 1144 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  POM50779  Hordeum jubatum A. D. E. Elmer 1902-06 3618 Los Angeles Lancaster. Comment
  POM352452  Hordeum murinum subsp. glaucum Ida Lou Sayler 1942-4-10 s.n. Los Angeles Vacant lots, south Pasadena Comment
  UCD86229  Hordeum murinum subsp. leporinum Charles F. Hewitt 1975-3-13 LASCA 1044 Los Angeles Arcadia. Los Angeles State and County Arboretum. Tallac Knoll. Comment
  UCSB10674  Hordeum murinum subsp. leporinum Lloyd, Robert 1959-5-21 Los Angeles Pomona College Campus, Claremont, on the corner of 6th and College; San Gabriel Mtn. Range 365 Comment
  UCR189741  Hordeum vulgare R. G. Swinney 1998-7-10 6384 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
  POM50166  Horkelia cuneata subsp. puberula L. R. Abrams 1901-04 s.n. Los Angeles Devil's Gate Comment
  POM590  Horkelia cuneata subsp. puberula I. M. Johnston 1918-5-1 1892 Los Angeles San Antonio Canyon Wash between Upland and Claremont 366 Comment
  UC83512  Horkelia cuneata subsp. puberula J. C. Nevin Los Angeles near Los Angeles Comment
  CAS-BOT-BC532301  Horkelia cuneata var. puberula John I. Carlson 1918-4-26 s.n. Los Angeles Country adjacent to Los Angeles, Griffith Park Comment
  SBBG119360  Horkelia rydbergii O. Mistretta 1995-7-11 1871 Los Angeles head of Little Rock Crk ca. 0.5 mi downstream from Alder Saddle 1508 Comment
  RSA0047398  Hosackia crassifolia var. crassifolia Orlando Mistretta 1990-5-16 s.n. Los Angeles Vicinity of Big Pines. Mountain High Ski Area 2098 Comment
  RSA305978  Hulsea heterochroma J. L. Huber 1981-6-20 1806 Los Angeles Mt. Pacifico Rd., ca. 2 mi. north of Chilao Station, San Gabriel Mountains 1677 Comment
  RSA261751  Hulsea vestita subsp. gabrielensis D. H. Wilken 1973-6-3 11891 Los Angeles Along Devil's Backbone south side of Mt San Antonio. 2834 Comment
  UCR209625  Hypochaeris glabra R. G. Swinney 2008-12-2 9910 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  LA32110  Hypochaeris glabra Henry J. Thompson; 1959-5-24 2020 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  CDA5570  Ipomoea mutabilis T. C. Fuller 1963-4-25 10301 Los Angeles North of highway bridge over creek, Pacific Coast Highway (101 Alt.) mouth of Topanga Canyon. 0 Comment
  CATA1399  Isocoma menziesii var. menziesii Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2541 Los Angeles Santa Catalina Island: By road to Salta Verde, lower portion of road, toward Salta Verde 390 Comment
  RSA233628  Jepsonia malvifolia R. F. Thorne 1970-3-6 39392 Los Angeles Santa Catalina Island: near Blue Cavern Point 46 Comment
  RSA639133  Jepsonia malvifolia R. F. Thorne, Doug Propst 1967-10-27 37415 Los Angeles Santa Catalina Island: Fisherman's Cove, Isthmus. Near Blue Cavern Point north of Marine Laboratory. 30 Comment
  CAS-BOT-BC478181  Juglans californica R. E. Jr. Riefner 2015-8-21 15 -335 Los Angeles San Jose Hills, Unincorporated Los Angeles County, S of Interstate-10, E of Palomino Drive, E of Mesquite Lane, near end of Surry Drive, W of Forest Lawn Memorial Park 284 Comment
  UCR124387  Juglans californica I. W. Clokey, B. C. Templeton 1929-1 4585 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  SACT002740  Juglans californica Louis Wheeler 1932-4-2 Los Angeles North slope, sedimentary formation. Santa Monica Mountains. Comment
  RSA755954  Juncus Dan S. Cooper 2007-5-4 3 Los Angeles Griffith Park. c. 300 m south of Travel Town in small side canyon. Comment
  UC212778  Juncus ambiguus I. Johnston 1917-5-13 Los Angeles El Monte 91 Comment
  UCR259256  Juncus balticus R. G. Swinney 2010-6-4 12999 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
  SBBG32135  Juncus bufonius R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -219 Los Angeles lower-middle Bullrush Cyn, Salta Verde Comment
  UCR224020  Juncus bufonius Steve Boyd, Rick Riefner 2007-4-27 11735 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA639192  Juncus bufonius var. bufonius L. C. Wheeler 1967-5-31 9810 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  JEPS45902  Juncus duranii F. R. Fosberg and J. Ewan 1931-8-12 4978 Los Angeles 1/2 mi w of Windy Camp (Cienega, Mount Islip); Cienega, Mount Islip 2286 Comment
  RSA158263  Juncus patens Peter H. Raven 1962-4-10 17240 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 457 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
  UCR172294  Juncus rugulosus Anuja Parikh, Nathan Gale 2005-7-15 2140 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
  UCR269140  Juncus rugulosus Orlando Mistretta, Youssef C. Atallah 2011-8-16 6041 Los Angeles San Gabriel Mountains, Aliso Canyon near junction of Aliso anyon Road and Angeles Forest Hwy 1259 Comment
  RSA0011363  Juncus xiphioides Orlando Mistretta, Youssef Atallah 2011-8-12 6024 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy 1083 Comment
  RSA716869  Juncus xiphioides Scott D. White, Andrea Warniment 2006-7-18 11632 Los Angeles Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway. 1006 Comment
  UCR209873  Juncus xiphioides R. G. Swinney 2008-7-13 9189 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
  UCR270849  Juncus xiphioides R. G. Swinney 2011-6-29 15342 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA0084855  Juniperus californica R. G. Swinney 2010-6-23 13376 B Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA337426  Juniperus californica Robert F. Thorne 1973-5-11 43568 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  UCR259076  Juniperus californica R. G. Swinney 2010-6-23 13376 B Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR48946  Juniperus chinensis A. C. Sanders 1987-7-22 7149 ' Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA729773  Juniperus occidentalis var. australis R. G. Swinney 1999-8-9 7601 Los Angeles eastern end of Big Horn Ridge, SW of Mt. San Antonio. Ridge top; montane coniferous forest. 2793 Comment
  CAS-BOT-BC235747  Keckiella cordifolia L. R. Abrams 1917-7-7 6609 Los Angeles Laurel Canon [Canyon], Santa Monica Mts Comment
  LA200892  Keckiella cordifolia Jonathan Sauer; H. N. Sauer, L. Birindelli, D. Birindelli 1969-6-21 4591 Los Angeles SANTA MONICA MOUNTAINS, near Calabasas. Comment
  LA82044  Keckiella cordifolia O. H. Kappler; 1940-6-23 74 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  NY790240  Keckiella cordifolia P. A. Silverstone 1978-7-23 260 Los Angeles Santa Monica Mountains; junction Kanan Dume Road and Latigo Canyon Road, 16.6 km inland from junction Latigo Canyon Road and State 1; west side of Latigo Canyon Road. Comment
  RSA401769A  Keckiella cordifolia Donald R. Bissing 1973-6-2 101 Los Angeles Evey Canyon, San Gabriel Mountians: 0.3 mile from canyon mouth. 726 Comment
  SBBG66496  Keckiella cordifolia M. N. Ackley -Aug-1927 Los Angeles near Glendale, Verdugo Hills 274 Comment
  RSA522286  Kickxia spuria Steve D. Boyd 1989-6-28 3757 Los Angeles Grounds of Rancho Santa Ana Botanic Garden, planter to the N of E end of Administration building. Comment
  CLARK-A1528-2583  Kochia americana John C. Roos 1947-7-21 Los Angeles Lancaster Comment
  CAS-BOT-BC176819  Kochia californica Ernest C. Twisselmann 1970-9-8 17492 Los Angeles Antelope Valley: Highway 14 at Avenue A 762 Comment
  RSA601330  Lagophylla ramosissima subsp. ramosissima Steve Boyd, Lauren Raz 1997-6-18 9966 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  CATA944  Lamarckia aurea Mark L. Hoefs, Robert Given 1992-4-16 1808 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  SEINET3129413  Lamarckia aurea L. R. Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  CAS-BOT-BC412752  Lastarriaea coriacea A. J. McClatchie 1893-5-1 s.n. Los Angeles Pasadena Comment
  POM257556  Lasthenia californica C. B. Wolf 1932-5-10 3518 Los Angeles Santa Catalina Island. Equestrian Trail back of Avalon. 259 Comment
  SD133174  Lasthenia californica E. La Rue, R. Montijo 2-4 Apr 1991 91 15 Los Angeles Palmdale; south of Avenue M and E of Sierra Highway; north of Air Force Plant. 790 Comment
  RSA708573  Lasthenia coronaria Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1159 Los Angeles Ridgetop above McDonald Creek. 457 Comment
  CAS-BOT-BC352710  Lasthenia coronaria J. C. Nevin 1952-5-1 s.n. Los Angeles Burbank Comment
  HSC5899  Lasthenia glabrata G. E. Anderson 1966-4-4 17 Los Angeles 12 mi. N of Topanga near Hwy. 27 Comment
  UC303999  Lasthenia glabrata subsp. coulteri I. Johnston 1917-4-11 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  JEPS15065  Lasthenia gracilis G. B. Grant 1901-1-1 98 Los Angeles Pasadena Comment
  POM6025  Lasthenia gracilis George B. Grant 98 Los Angeles In the vicinity of Pasadena Comment
  RSA729794  Lasthenia gracilis R. G. Swinney 1998-6-12 6962 Los Angeles San Gabriel Mtns.: 3 miles west of Pinion Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek. 1378 Comment
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Mar 29 2009
  UC1118943  Lasthenia gracilis A. D. Gifford 1935-4-12 553 Los Angeles 2 mi w Manzana; Tejon Quadrangle Comment
  UCR51044  Lasthenia gracilis A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7778 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  SEINET12153850  Lathyrus laetiflorus E. A. Purer 1935-1 6561 Los Angeles Malibou Rd, Santa Monica Mts Comment
  UCD106352  Lathyrus latifolius Mary E. Manwell 1964-6-10 s.n. Los Angeles Along railroad right-of-way so. Of Locust St., between Hill St. and Holliston Ave., Pasadena, CA. Comment
  RSA760559  Lathyrus vestitus R. G. Swinney 2009-3-10 10059 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SEINET2062165 Image available Lathyrus vestitus subsp. alefeldii Mary V. Hood 1945-5-1 2235 Los Angeles Tapia Park area, Santa Monica Mts. 762 Comment
  RSA133390  Lathyrus vestitus subsp. laevicarpus P. H. Raven 1959-5-3 14071 Los Angeles Santa Monica Mountains (34 deg.N; 118-119 deg.W). Mulholland Drive 0.5 miles east of Beverly Glen Boulevard. 381 Comment
  RSA651068  Lathyrus vestitus subsp. vestitus Paul M. Inman 1983-5-8 50883 -22 Los Angeles Big Santa Anita Canyon in the Angeles National forest, San Gabriel Mountains, about 1 miles north of Arcadia. From east facing ridge. On upper Creek Trail leading to Hoegee's camp. 915 Comment
  LA200449  Lathyrus vestitus var. vestitus Martha Hilend Kinsey; 1934-3-10 sn Los Angeles Comment
  RSA587198  Lavatera cretica Scott D. White 1995-12-5 s.n. Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  SBBG96635  Lavatera cretica S. Boyd with O. Mistretta, L. Arnseth, B. O'Brien, T. Hayduk 1990-4-6 4171 Los Angeles head of Larkspur cyn, E side of island, S of US Navy site called 'Jack 213 Comment
  SBBG98083  Lavatera cretica T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5140 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 266 Comment
  UCR214634  Lavatera cretica A. C. Sanders, Dan S. Cooper 2010-3-12 37384 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  JEPS39204  Layia glandulosa F. W. Peirson 1919-3-30 345 Los Angeles Big Tujunga Canyon, San Gabriel Mts. 426 Comment
  OBI56578  Layia glandulosa Steve Boyd, Lauren Raz 1997-3-25 9269 Los Angeles Liebre mts region: Knapp ranch area at upper end of Cataic Crk drainage inbroad alluvial valley; at head of Cienaga cyn, S of Liebre mtn flats and slopes just NE of ranch compound. T7N R17W NE 1/4 NE 1/4 sec 22 1061 Comment
  POM361625  Layia glandulosa Louis Greata 1901-03 s.n. Los Angeles Pasadena. Comment
  RSA593689  Layia glandulosa Steve Boyd 1996-4-25 8708 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  RSA702959  Layia glandulosa Scott D. White, Michael Honer 2004-3-30 9971 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  SBBG98245  Layia glandulosa I. Johnston 1917-5-13 976 Los Angeles San Gabriel Wash 152 Comment
  RSA598144  Layia glandulosa V. W. Steinmann, T. S. Ross 1995-5-8 668 Los Angeles Liebre Mountains, slopes between Leona Valley and 'Lost Valley' 1100 Comment
  SD70967  Layia platyglossa subsp. campestris R. Mitchel Beauchamp 1967-3-17 274 Los Angeles San Clemente Island; on slope of canyon below Lemon Tank. Comment
  RSA127836  Layia platyglossa subsp. platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Point Dume, Santa Monica Mountains. 15 Comment
  UCR119565  Lemna minuta L. C. Wheeler 1952-11-29 7012 Los Angeles San Gabriel Mtns., Wildwood Canyon. Foothills north of San Dimas Comment
  RSA613092  Lemna valdiviana M. E. Siqueiros D. 1997-3-1 4356 Los Angeles Bernard Biological Field Station : Claremont Colleges. NW corner of Mills Avenue and Foothill Boulevard, Claremont 412 Comment
  CATA540  Lepechinia fragrans Sara L. Crockett 1997-5-1 700 Los Angeles Santa Catalina Island: 0.2 mile W of jct. of White's Landing Road with Airport Road, SW side of road 463 Comment
  CAS-BOT-BC33703  Lepechinia rossii Steve Boyd; Tammy Morgan 2004-5-11 11169 Los Angeles Transverse Ranges; Liebre Mountains region: Head of Ruby Canyon on northern flank of Red Mountain 305 Comment
  SBBG121654  Lepechinia rossii L. Gross, V. Arvizu, B. Hogshead 2005-5-24 2311 Los Angeles Ruby Clearwater Truck Trail, S of Ruby Cyn, N of Red Mtn; Liebre Mtns 788 Comment
  CAS-BOT-BC89084  Lepidium didymum J. H. Thomas 1957-5-13 6760 Los Angeles Occidental College. In quadrangle. Comment
  RSA429873  Lepidium flavum N. C. Cooper 1948-4-21 2698 Los Angeles Littlerock Creek. 762 Comment
  SFV10185  Lepidium flavum J. G. Cuti 1978-4-2 41 Los Angeles About 3 miles south of Saddleback Butte State Park on Highway 170th., off shoulder. 30 Comment
  CAS-BOT-BC167084  Lepidium nitidum A. C. Sanders 2003-3-14 25769 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 560 Comment
  RSA429625  Lepidium nitidum M. B. Dunkle 1928-2-12 1705 Los Angeles Salta Verde, Santa Catalina Island Comment
  CAS-BOT-BC12868  Lepidium pinnatifidum Peter H. Raven 1959-6-15 14358 Los Angeles Santa Monica Mountains. University of California, west Los Angeles. 121 Comment
  RSA0112020  Lepidium virginicum subsp. virginicum Richard G. Swinney 2011-3-29 14267 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
  LA202574  Lepidium virginicum var. pubescens Peter H. Raven; 1960-5-21 15391 Los Angeles Santa Monica Mountains, Tuna Canyon, 2.3 mi N of Pacific Coast Hwy 304 Comment
  POM307838  Lepidium virginicum var. robinsonii Henry J. Ramsey 1938-1-9 2763 Los Angeles North Craig Ave., Altadena Comment
  CAS-BOT-BC328051  Lepidospartum squamatum C. B. Wolf 1931-7-30 2298 Los Angeles About 2 mi S of San Fernando, San Fernando Valley 274 Comment
  CAS-BOT-BC328068  Lepidospartum squamatum Ernest C. Twisselmann 1955-8-10 2318 Los Angeles San Emigdio Range. Castaic Valley, 0.3 mi E of Kern County Line 1226 Comment
  POM361765  Lepidospartum squamatum F. R. Fosberg 1931-1-7 7108 Los Angeles Sierra Madre. 300 Comment
  UC1069792  Lepidospartum squamatum P. L. Johannsen 1934-2-8 270 Los Angeles 3/4 mi nw Newhall; Santa Susana Quad., Placerita Creek Comment
  POM272160  Lepidospartum squamatum var. squamatum Lyman Benson 1933-11-12 5729 Los Angeles Westwood, Beverly Hills. 122 Comment
  POM352261  Leptochloa fusca subsp. uninervia Jack Rempel 1936-5-22 s.n. Los Angeles Playa del Rey Comment
  UC881521  Leptodactylon californicum subsp. glandulosum Alice Eastwood 1913-5-11 Los Angeles San Fernando Wash Comment
  SEINET3361194 Image available Leptodactylon californicum subsp. glandulosum Roxana S. Ferris 1941-5-9 10322 Los Angeles In chaparral, Pico Canyon, Santa Susana Mountains, about 2 miles W of US Hwy 89 Comment
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Oct 1 2014
  RSA165703  Leptosiphon androsaceus Wesley O. Griesel, Brian C. Miller 1963-7-2 s.n. Los Angeles Liebre Campground, Liebre Mtn. Angeles National Forest. 1646 Comment
  HSC79975  Leptosiphon aureus James Henrickson 1973-5-12 9588 Los Angeles 9 mi. SW of Little Rock, .2 mi. S of Mt. Emma Rd., along Hwy. N3 1189 Comment
  POM3482  Leptosiphon aureus Henry M. Ford 1903-05 s.n. Los Angeles Collected near Pasadena. Comment
  RSA251416  Leptosiphon bicolor R. F. Thorne 1966-4-17 31627 Los Angeles San Clemente Island, Box Canyon, NW of Horse Canyon, SW of Thirst. 274 Comment
  RSA567537  Leptosiphon ciliatus T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3894 Los Angeles Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon. 1338 Comment
  RSA0081013  Leptosiphon parviflorus Timothy S. Ross, Steve Boyd 1994-5-25 7895 Los Angeles West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10. 1684 Comment
  LA200963  Leptosiphon pygmaeus subsp. continentalis Carl Wishner; 1997-4-3 CW- 2472 Los Angeles Santa Monica Mountains, Cornell, hills just E of Los Angeles County Fire Station 275.0 Comment
  UCR51072  Leptospermum laevigatum A. C. Sanders 1988-3-17 7730 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  PASA1689  Lessingia germanorum Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  SD28092  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-9-15 4078 Los Angeles Mint Canyon; 9.5 miles above Saugus. 455 Comment
  UCR98747  Lessingia glandulifera var. glandulifera T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3746 Los Angeles San Gabriel Mtns., Pinyon Ridge, western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1951 Comment
  RSA365308  Leymus condensatus George B. Grant 1902-6-25 1081 Los Angeles San Gabriel Canyon. Comment
  UC1584263  Leymus condensatus Tim Ross and Steve Boyd 1990-6-6 2838 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quad, San Francisquito Canyon 926 Comment
  UC335425  Limonium californicum unknown Los Angeles Santa Monica Comment
  UCR229154  Linanthus aureus Dan S. Cooper 2011-5-5 511- 50 A Los Angeles Western Mojave Desert, Antelope Valley, 5.4 mi southeast (119 deg. ) of Neenach, south of Ripley Reserve, south of Hwy 138 938 Comment
  SEINET2441267  Linanthus breviculus R. G. Swinney 2008-5-8 8800 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. (Valyermo 7.5 Q'). 1264 Comment
  PASA750  Linanthus ciliatus Margaret Stason 1932-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  RSA584900  Linanthus concinnus R. T. Hawke 1992-5-22 s.n. Los Angeles San Gabriel Mountains, Heath Canyon ridge. Comment
  RSA679942  Linanthus concinnus LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 941 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
  RSA0030713  Linanthus parryae Pam De Vries 2014-3-25 7871 Los Angeles Mojave Desert (West); Near the town of Antelope Acres in an open field on the west side of 90th St, one mile south of Hwy 138. 735 Comment
  UCR124025  Linanthus parryae George K. Helmkamp, E. A. Helmkamp 2001-5-2 6660 Los Angeles Western Mojave Desert, Antelope Valley, 0.1 mi west of Calif. Hwy 138 on Ave. W, then 0.3 mi S on [180th St. East] dirt road 976 Comment
  RSA166886  Linanthus parryae E. R. Blakley 1958-5-10 2281 Los Angeles 14 miles east of Quail Lake on state hwy 138- Antelope Valley. Comment
  UC146788  Linanthus parviflorus Orcutt 1884-7-3 1126 Los Angeles mts. n. Low. Cal.; Cotype <note on sheet pointing to Linanthus luteolus Greene annot.> Comment
  SBBG108416  Linanthus pygmaeus subsp. pygmaeus T. Ross, G. Allan 1995-5-21 8617 Los Angeles between main stem of Horse Beach Cyn on W and the main W stem of Chenetti Cyn on the e, 4790' NNW of Slope Triangulation Pt (781' and 5070' WSW of 1135' tri. p. near "Chenity" 315 Comment
  RSA0048507  Linaria canadensis E. F. 1951-4-5 s.n. Los Angeles Pierce College, Canoga Park. Comment
  SBBG122673  Linaria maroccana S. L. Crockett 1997-2-19 63 Los Angeles 0.3 mi NE of Wrigley Botanical Garden (toward Avalon) on Avalon Cyn Rd, LA County Interpretive Center 91 Comment
  CAS-BOT-BC110584  Lithophragma John H. Thomas 1957-5-25 6781 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles north northeast of Pasadena. 609 Comment
  POM1583A  Lithophragma affine D. L. Crawford 1916-3-1 s.n. Los Angeles Mountains above Claremont, Palmer s Canyon. Comment
  RSA674649  Lithophragma affine Scott D. White, Pam DeVries 2000-5-18 7893 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  CAS-BOT-BC426260  Lithophragma affine Geo. B. Grant 1902-3-12 2471 Los Angeles Pasadena Comment
  RSA84371  Lithophragma affine subsp. mixtum F. W. Peirson s.n. Los Angeles Nichols Canyon. Comment
  UCR238658  Lithophragma bolanderi Anuja Parikh, Nathan Gale 2010-6-23 3361 Los Angeles Transverse Range; San Gabriel Mtns., upper Shortcut Canyon, 1.4 km S of State Highway 2 (Angeles Crest Hwy), 1.3 km NNW of West Fork San Gabriel River 1275 Comment
  SD108979  Lithophragma heterophyllum James Henrickson 1973-5-12 9579 Los Angeles in granitic slopes of San Gabriel Mts. ca 6 (air) miles NE of La Canada, 3.1 (rd)miles N of N3, off Angeles Crest Hwy, in canyon along road 1036 Comment
  RSA608915  Lithophragma heterophyllum Louis C. Wheeler 1968-05 s.n. Los Angeles San Gabriel Mountains: Maher Canyon, Quail Spring. Comment
  CAS-BOT-BC174517  Loeflingia squarrosa Alice Eastwood 1913-5-11 3175 Los Angeles San Fernando Wash Comment
  UC1576172  Loeflingia squarrosa var. squarrosa Geo. B. Grant 1903-5-12 701 a-5486 Los Angeles Pasadena Comment
  RSA337418  Loeseliastrum matthewsii R. F. Thorne 1973-5-11 43533 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  OBI56580  Logfia filaginoides Steve Boyd, Lauren Raz 1997-3-25 9317 Los Angeles Liebre Mts Region: Upper end of broad alluvial vlley at head of Cienaga Cyn, southern base of Liebre Mtn, at end of dirt rd leading 1 km NE of Knapp Ranch. T7N R17W E 1/2 SW 1/4 sec 14 1280 Comment
  SDSU4136  Logfia filaginoides H. Wedberg 1966-4-3 1183 Los Angeles Above Hill Dr. x Neal, in Eagle Rock. 457 Comment
  CAS-BOT-BC269096  Lolium perenne Geo. B. Grant 1904-7-8 6318 Los Angeles Cienega Comment
  POM356962  Lolium perenne subsp. multiflorum M. R. Everett 1941-07 20503 Los Angeles Los Angeles Comment
  RSA600363  Lolium perenne subsp. multiflorum Steve Boyd, Lauren Raz 1997-5-28 9874 B Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UC777931  Lolium temulentum Frank W. Gould 1944-5-7 2336 Los Angeles 3 mi e Compton Comment
  SEINET7062868  Lomatium A. G. Vestal 1947-4-8 s.n. Los Angeles Open bush country. Sierra Pelona Valley. Vasquez Rocks County Park. (WGS84/NAD83). UTM Zone 11, 377983mE, 3815837mN. 698 Comment
  UCR190901  Lomatium dissectum R. G. Swinney 1998-7-2 6238 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA699224  Lomatium lucidum Vasu Dev, Barbara Dev 2003-5-5 s.n. Los Angeles Lone Pine Canyon Rd. 1.3 miles from its junction with Highway 138. [San Bernardino Co.] 1126 Comment
  UCR149325  Lomatium mohavense R. G. Swinney 1998-4-14 5994 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  UCSC001451  Lomatium mohavense Peter Kamb 1948-5-6 964 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock Little Rock, San Gabriel Mts 975 Comment
  SD104887  Lomatium mohavense subsp. longilobum Darley Howe 1979-4-30 5087 Los Angeles 2 miles northwest of Devil's Punch Bowl 1435 Comment
  RSA729778  Lomatium nevadense var. parishii R. G. Swinney 1998-7-6 6296 Los Angeles San Gabriel Mtns.: Grassy Hollow, east of Jackson Flats, on ridge c. 200 m north of entrance to Grassy Hollow Campground 2195 Comment
  RSA592022  Lonicera Mark Hoefs, D. Propst 1973-3-14 107 Los Angeles Santa Catalina Island: Moonstone canyon, east of Whites Landing; open canyon bottom 61 Comment
  CAS-BOT-BC240485  Lonicera hispidula H. E. McMinn 1924-7-1 1317 Los Angeles Santa Catalina Comment
  RSA188698  Lonicera hispidula var. vacillans R. F. Thorne 36339 Los Angeles Santa Catalina Island: in bottom of W fork of Gallagher's Canyon 61 Comment
  RSA455373  Lonicera subspicata var. denudata Donald R. Bissing 1973-6-2 143 Los Angeles Evey Canyon, 0.2 mi from mouth of Canyon. 726 Comment
  RSA455378  Lonicera subspicata var. denudata B. C. Templeton 1930-5-27 1418 Los Angeles Near Mulholland Drive, Santa Monica Mountains. North of Beverly Hills. 600 Comment
  RSA670931  Lonicera subspicata var. denudata Joseph M. Keefe 2001-1-19 30916 Los Angeles Roadside along Sholl Canyon Road, 3 meters north of beginning of the Eagle Rock Park Path, 200 meters north of Figueroa Street, Eagle Rock. 280 Comment
  SFV6954  Lonicera subspicata var. denudata T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1971-8-31 621 Los Angeles Santa Monica Mountains First canyon east of Stokes Canyon. About 1 mile due east of Claretville Seminary. 229 Comment
  UCR65559  Lotus argophyllus subsp. ornithopus Aaron Liston, Et al. 1989-4-30 803 - Los Angeles Channel Islands, San Clemente IslandPyramid Head, S end of the island 15 Comment
  RSA90045  Lotus argophyllus subsp. ornithopus F. W. Peirson 1923-4-9 3468 Los Angeles San Clemente Island: about 2 miles SE of Wilson's cove Comment
  POM219964  Lotus argophyllus var. ornithopus F. R. Fosberg 1932-5-5 8111 Los Angeles Hill N Avalon, Santa Catalina Island. Comment
  RSA406098  Lotus crassifolius var. crassifolius B. C. Templeton 1932-6-19 4939 Los Angeles Big Pines Park, San Gabriel Mountains. 2091 Comment
  UCR11624  Lotus davidsonii E. Lloyd 1933-4-8 3698 Los Angeles Western Transverse Range; Santa Monica Mtns., Temescal Canyon Comment
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Aug 29 2019
  UC864898  Lotus dendroideus var. dendroideus F. R. Fosberg 1931-3-19 S 4303 Los Angeles Hamilton Canyon Santa Catalina Island 2 Comment
  UCR155353  Lotus hamatus A. C. Sanders 2005-5-5 29857 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  RSA748345  Lotus heermannii Justin M. Wood 2009-6-1 793 Los Angeles Mill Creek Summit, roadisde turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction. 1399 Comment
  RSA406254  Lotus procumbens var. procumbens B. C. Templeton 1933-5-16 5133 Los Angeles West Blue Ridge, Big Pines Park. 2088 Comment
  CAS-BOT-BC168243  Lotus salsuginosus A. C. Sanders; Tricia Wotipka; Mark A. Elvin; et al. 2003-4-28 26135 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  IRVC26331  Lotus salsuginosus A. C. Sanders, Andy Thompson 2003-4-15 25984 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA762249  Lotus salsuginosus var. salsuginosus Orlando Mistretta, Christine Mistretta 2008-5-19 3115 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 103 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 976 Comment
  RSA652843  Lotus scoparius Roxanne Smith 1991-5-21 36 Los Angeles Hills 0.4 mile south-east of Golden Springs and Diamond Bar Blvd. Flat area. Comment
  SFV1855  Lotus scoparius P. G. Kilburn 1958-3-1 627 Los Angeles Point Dume, just south of Zuma Beach. 3 Comment
  RSA760567  Lotus scoparius subsp. brevialatus R. G. Swinney 2009-3-10 10080 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR148043  Lotus scoparius var. scoparius Steve Boyd, Amber Maurice 2004-5-18 11340 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  IRVC26454  Lotus strigosus A. C. Sanders, Mark Elvin, et al. 2003-3-4 25690 Los Angeles Newhall Ranch, along dirt road on eastern slopes below "Grapevine Mesa," 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA0116455  Lotus strigosus R. G. Swinney 2011-4-1 14308 Los Angeles San Gabriel Mountains/SW Mojave Desert; WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR187122  Lotus strigosus A. C. Sanders 2006-4-10 31982 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  RSA90383  Lotus strigosus F. W. Peirson 1919-3-27 351 Los Angeles Arroyo Seco, near Pasadena 396 Comment
  RSA498734  Lotus strigosus var. strigosus E. S. Spalding 1925-4-24 s.n. Los Angeles Turnbull Canyon. Comment
  POM127157  Lupinus albifrons var. eminens Katherine Brandegee 1916-3-17 s.n. Los Angeles Santa Catalina Island Comment
  RSA406975  Lupinus albifrons var. eminens F. R. Fosberg 1931-5-12 4849 Los Angeles Descanso Canyon near Coach Road, Santa Catalina Island Comment
  CAS-BOT-BC196401  Lupinus arboreus C. B. Wolf 1931-6-25 2241 Los Angeles Along Beverly Blvd., west of Los Angeles Botanic Garden 60 Comment
  CATA1200  Lupinus bicolor Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-6 2232 Los Angeles Santa Catalina Island: By Cape Canyon Road, middle of Cape Canyon 323 Comment
  SD116300  Lupinus bicolor David B. Dunn 1946-4-19 2120 Los Angeles Arid valley approaching the Mojave along the Newhall to Palmdale Hwy 6 near Acton 609 Comment
  SFV4885  Lupinus bicolor M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. 152 Comment
  UCR126750  Lupinus bicolor A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26228 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  UCR192595  Lupinus bicolor A. C. Sanders 2008-4-10 34836 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
  POM350019  Lupinus bicolor subsp. umbellatus M. B. Dunkle 1939-4-3 4 .00 Los Angeles San Clemente Island Comment
  RSA251423  Lupinus bicolor subsp. umbellatus Robert F. Thorne 1966-4-17 36099 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  CAS-BOT-BC187877  Lupinus chamissonis L. R. Abrams 1900-5-1 272 Los Angeles Ballona Harbor Comment
  RSA407131  Lupinus chamissonis E. S. Spalding 1931-7-31 s.n. Los Angeles Between Manhattan and Hermosa Beaches. Comment
  SFV13338  Lupinus chamissonis M. J. Thor 1983-4-8 156 Los Angeles Los Angeles Basin Playa del Rey, Ballona Wetlands. 2 Comment
  CATA1552  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2809 Los Angeles Santa Catalina Island: Hillside above upper Cape Canyon 359 Comment
  SD231312  Lupinus concinnus Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 1 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Highway (Road North) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA586644  Lupinus concinnus Orlando Mistretta 1995-6-1 1756 Los Angeles Carr Canyon. San Gabriel Mountains. 976 Comment
  RSA518015  Lupinus concinnus subsp. concinnus Steve D. Boyd, Orlando Mistretta 1986-3-31 1551 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  SEINET271859  Lupinus excubitus S. D. White 1996-3-18 3841 Los Angeles Marina Del Rey area; Ballona Ck. floodplain and adjacent N-faing slopw W of Lincoln Bl. and S of Jefferson BI. ca. 10ft 3 Comment
  RSA230753  Lupinus excubitus var. austromontanus R. F. Thorne 1969-7-9 38473 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  SBBG3604  Lupinus formosus R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  POM11097  Lupinus formosus var. formosus H. D. Collins 1921-4-22 45 Los Angeles Claremont. 366 Comment
  RSA607213  Lupinus latifolius subsp. latifolius L. C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1220 Comment
  UCR270639  Lupinus latifolius subsp. latifolius R. G. Swinney 2011-6-30 15376 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  SBBG69136  Lupinus latifolius subsp. parishii V. Duran 1933-7-21 3523 Los Angeles Buckhorn 1981 Comment
  CAS-BOT-BC211682  Lupinus longifolius Louis C. Wheeler 1936-6-8 4144 Los Angeles Mouth of Monroe Canyon, San Gabriel Mts. 548 Comment
  RSA2424  Lupinus longifolius I. M. Johnston 1917-7-1 1444 Los Angeles near Brown's flat 1357 Comment
  UCR95271  Lupinus microcarpus var. densiflorus T. S. Ross, J. M. Porter 1995-5-4 8474 Los Angeles Transverse Range, Texas Canyon: c. 3.6 road miles NE of Bouquet Canyon Road 683 Comment
  RSA165741  Lupinus microcarpus var. microcarpus Wesley O. Griesel 1960-4-14 165 Los Angeles Rock Creek, Sycamore Flats Public Camp. 915 Comment
  SFV15610  Lupinus microcarpus var. microcarpus B. de Guzman, A. Agdaian, L. Mesropi May 1992 11 Los Angeles Santa Monica Mountains Along Las Virgenes Road just 0.25 miles before road to Buddhist Temple. Comment
  RSA350742  Lupinus moranii Reid V. Moran 1941-2-18 587 Los Angeles San Clemente Island: Middle Ranch Creek 30 Comment
  UCR191286  Lupinus sparsiflorus T. B. Salvato 2008-4-22 3301 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  RSA414811  Lupinus sparsiflorus subsp. sparsiflorus T. S. Clare 1929-3-10 s.n. Los Angeles Topanga Canyon. Comment
  RSA617402  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White 1998-6-4 6647 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, North Lake Planned Community 425 Comment
  POM8704  Lupinus sparsiflorus subsp. sparsiflorus R. D. Harwood 1920-3-13 3320 Los Angeles San Jose Hills 4 mi. W of Pomona. 305 Comment
  SEINET11091455 Image available Lupinus sparsiflorus subsp. sparsiflorus G. B. Grant 1904-5-10 731 Los Angeles Pasadena Comment
  SBBG13601  Lupinus succulentus P. H. Raven 1962-5-9 17677 Los Angeles near head of cyn at S end of Mosquito Cove 335 Comment
  UCSB7109  Lupinus succulentus Haller, Norman 1953-3-29 Los Angeles Alongside parking lot across from Sorority Row, Hilgard Ave.; UCLA parking lot Comment
  CAS-BOT-BC231365  Lycium andersonii A. D. E. Elmer 1902-6-1 3757 Los Angeles Acton, Mt. Gleason Comment
  SBBG18820  Lycium californicum E. R. Blakley 1963-4-7 5498 Los Angeles Little Harbor 15 Comment
  RSA0110800  Lycium cooperi R. G. Swinney 2011-4-20 14443 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1220 Comment
  SBBG51756  Lycium cooperi R. Gustafson, C. Davidson 1977-4-20 423 Los Angeles Fort Tejon Rd, S of Littlerock ca. 1.5 mi E of the jct with 82nd St 975 Comment
  SBBG13643  Lyonothamnus floribundus var. floribundus P. H. Raven 1962-5-20 17786 Los Angeles above Whites Landing on Airport Rd 426 Comment
  UCR180337  Lythrum californicum Scott D. White, Andrea Warniment 2006-7-7 11621 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  UC54953  Lythrum californicum H. P. Chandler 1902-9-9 2036 Los Angeles Ballona Marsh Comment
  SBBG105549  Madia elegans T. S. Ross, S. Boyd 1944-5-4 7659 Los Angeles NE summit of Grass Mtn 1383 Comment
  SEINET7042260  Madia gracilis A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  UC187707  Madia sativa Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  POM362203  Madia sativa Louis Greata 1900-9-10 4097 Los Angeles Cambell-Johnston Ranch Comment
  UC557734  Malacothamnus clementinus Nell Murbarger May 1936 224 Los Angeles San Clemente Island Comment
  SEINET4044543  Malacothamnus fasciculatus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Malibu Creek State Park. 259 Comment
  RSA522442  Malacothamnus fremontii Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4063 Los Angeles NNE of Tie Summit Station and E of Angeles Forest Hwy, Tujunga Ranger District. 1564 Comment
  RSA660423  Malacothamnus fremontii Orlando Mistretta 1992-5-21 s.n. Los Angeles Right Star Mine, S of Acton. Comment
  RSA434851  Malacothamnus marrubioides Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  RSA678319  Malacothamnus marrubioides Valerie L. Soza, Steve D. Boyd 2002-4-10 1387 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
  RSA585336  Malacothrix coulteri Timothy S. Ross 1991-4-27 4725 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA534128  Malacothrix foliosa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5080 Los Angeles San Clemente Island: west Cove, SW of the new landing field 6 Comment
  RSA597448  Malacothrix foliosa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5231 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
  RSA598387  Malacothrix foliosa J. P. Rebman, Jonathan Dunn 1996-4-29 3107 Los Angeles San Clemente Island: Eel Cove and Eel Cove canyon on west side of island. 10 Comment
  RSA0116453  Malacothrix saxatilis R. G. Swinney 2010-8-11 13503 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  UCR219936  Malacothrix saxatilis R. G. Swinney 2009-4-16 10380 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  SBBG110451  Malephora crocea S. A. Junak 1997-8-26 SCl 936 Los Angeles Wilson Cove, along nature trail, on W side of cyn above pier 106 Comment
  LA94274  Malosma laurina Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  RSA144571  Malosma laurina P. H. Raven 1957-9-21 s.n. Los Angeles small brushy hill at NW end of UCLA campus. Comment
  RSA386410  Malosma laurina Gary D. Wallace 1978-2-12 1570 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  RSA723219  Malus LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2829 Los Angeles Southeast side of the San Rafael Hills: Behind a power substation, near a small pond. At end of Wierfield Drive. Near 313 Comment
  RSA656183  Malva nicaeensis Joseph M. Keefe 1978-4-11 22633 Los Angeles Verdugo Mountains: Verdugo Park, 1601 North Verdugo Road, Glendale. Comment
  RSA233616  Malva parviflora Robert F. Thorne 1970-3-6 39403 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  UCR255478  Malva pseudolavatera Dan S. Cooper 2014-6-26 614- 40 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  RSA580114  Malvella leprosa Tim S. Ross, Steve D. Boyd 1994-9-21 8332 Los Angeles 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100m W of the Cow Spring Canyon drainage. 1149 Comment
  UCR272757  Malvella leprosa Reid Moran 1962-10-3 5378 Los Angeles Channel Islands, Santa Catalina Island, banks around Wrigley Reservoir at summit of island road 427 Comment
  SEINET11982002  Malvella leprosa J. F. Bright, Wyman, C. 1931-1 5738 Los Angeles Hollywood Comment
  SEINET8895140  Malvella leprosa G. B. Grant 1904-6-5 1199 Los Angeles Ballona. Comment
  RSA440979  Marah macrocarpa Martha Hilend 1928-3-4 51 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  SFV3628  Marah macrocarpa K. A. Wilson, D. E. Bianchi 1961-2-2 820 Los Angeles San Gabriel Mountains Placerita Canyon, Placerita Road. Small, shaded gully 2 miles east of Route 6. 490 Comment
  UCR118960  Marah macrocarpa David Charlton 1989-4-30 2969 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  UCR259365  Marah macrocarpa R. G. Swinney 2010-4-23 12333 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR281338  Marah macrocarpa R. G. Swinney 2014-5-21 16626 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  SEINET13710414  Marah macrocarpa J. Adams, J. Adams (Botany) 1963-1 1 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  RSA652411  Marah macrocarpa var. macrocarpa W. A. Reinke 1971-5-3 s.n. Los Angeles On Glendora Mtn. rd., 1 mi. N. of Glendora Dam, on E. side of rd. Comment
  OBI26261  Marrubium vulgare Mark Schneider 1973-5-3 s.n. Los Angeles 1/4 mi past Topanga Cyn Blvd, Santa Monica Mts Comment
  POM19086  Marrubium vulgare P. A. Munz 1923-4-10 6745 Los Angeles San Clemente Island: canyon south of 'Lemon Tank'; west coast. Comment
  RSA608716  Marrubium vulgare Louis C. Wheeler 1931-3-31 s.n. Los Angeles Huntington's Grove, [Vicinity of Claremont]. Comment
  UCR167205  Matricaria matricarioides S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  CAS-BOT-BC422740  Meconella denticulata John Thomas Howell 1928-4-18 3726 Los Angeles N. side of Griffith Park Comment
  POM348013  Medicago lupulina Thekla Mohr 1912-01 s.n. Los Angeles Los Angeles. Comment
  RSA639975  Medicago polymorpha L. C. Wheeler 1967-5-29 9773 Los Angeles Cow Canyon Saddle, [covered former dump]. 1377 Comment
  SEINET269305  Medicago polymorpha Scott D. White, Chet McGaugh 1995-5-9 2993 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando road and 457 Comment
  UCR186780  Medicago polymorpha Gary Kovnat, LeRoy Gross 2003-2-16 25 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone 683 Comment
  UCR68930  Medicago polymorpha Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4269 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  LA210149  Medicago polymorpha Monte Lloyd; 1950-7-31 500731p- 1245 Los Angeles Santa Monica Mountains, UCLA campus 121 Comment
  LA33949  Medicago polymorpha Peter H. Raven; Henry J. Thompson 1959-5-5 14116 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  POM348026  Medicago polymorpha M. Bisbee 1917-4-10 s.n. Los Angeles Garden, Eagle Rock Comment
  RSA585684  Melia azedarach Tim S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-11 3020 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-BC281523  Melica imperfecta A. D. E. Elmer 1902-6-1 3646 Los Angeles Acton Comment
  CAS-BOT-BC281530  Melica imperfecta W. R. Dudley 1900-7-9 s.n. Los Angeles San Gabriel Peak Comment
  POM357036  Melica imperfecta C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  RSA626113  Melica imperfecta LeRoy Gross 1999-4-29 143 Los Angeles East end; Rice Canyon, north on interstate 5, exit Calgrove Ave. turn left to The Old Road, City of Newhall 487 Comment
  RSA660786  Melica imperfecta J. Doughty 1985-5-19 187 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. 1 mile north of San Gabriel Road. Comment
  UC53402  Melica imperfecta J. Burtt Davy 1896-5-20 2647 Los Angeles Leonis Valley; Eell's Comment
  UCD87788  Melica imperfecta W. Biehler 1951-4-27 s.n. Los Angeles Elizabeth Lake area. Comment
  UCR142483  Melica imperfecta F. R. Fosberg 1931-3-31 S- 4430 Los Angeles Channel Islands, Santa Catalina Island, Avalon 8 Comment
  UCR87376  Melica imperfecta R. G. Swinney 1994-5-7 2837 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  RSA549531  Melica stricta var. albicaulis Timothy S. Ross, Steve Boyd 1990-6-18 3449 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA782205  Melilotus albus R. G. Swinney 2009-8-25 11475 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  SBBG98424  Melilotus indicus T. Ross 1991-5-22 5453 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  SFV4398  Melilotus indicus J. Turner, F. M. Ball 1963-5-14 s. n. Los Angeles Los Angeles, Westwood. Edge of parking lot on Tiverton Ave., 1 block south of UCLA campus. 100 Comment
  UCD108092  Melilotus indicus Robert F. Thorne; P. C. Everett 1964-2-7 33455 Los Angeles Lower end of Pebbly Beach Canyon near road, E end of Santa Catalina Island. 76 Comment
  RSA652187  Melilotus indicus A. E. Hersh 1950-7-5 s.n. Los Angeles Garden 411 Wade St., Venice. 30 Comment
  UCR179615  Melinis repens R. G. Swinney 1992-11-11 1980 Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin, on Colby-Dalton Trail 366 Comment
  UCR123812  Mentzelia albicaulis Steven R. Hill, K. Kramer 2001-4-22 33342 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR201416  Mentzelia albicaulis Scott D. White, Michael Honer 2004-3-30 9958 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  RSA440478  Mentzelia lindleyi Geo. C. Johnstone 1926-5-6 s.n. Los Angeles Elysian Park, Los Angeles. Comment
  RSA188693  Mentzelia micrantha Robert F. Thorne 1966-6-1 36470 Los Angeles Santa Catalina Island: near base of rocky, E facing bluff opposite Pebbly Beach terminal. 8 Comment
  RSA599710  Mentzelia micrantha Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9459 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat , a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  UC457224  Mentzelia montana Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles San Gabriel Mts., Swartout Valley Comment
  RSA588052  Mentzelia montana Orlando Mistretta 1994-4-29 1098 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  RSA802051  Mentzelia obscura Orlando Mistretta, Kristie Haydu 2011-7-20 5956 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  RSA446905  Mentzelia ravenii Roy R. Snelling 1977-3-19 13 Los Angeles Mojave Desert, 2 miles S of Pearblossom. 1067 Comment
  RSA0036423  Mentzelia veatchiana LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6979 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA777872  Mentzelia veatchiana R. G. Swinney 2009-6-17 11203 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UC1537675  Mentzelia veatchiana Gordon H. True Jr. 1935-3-17 117 Los Angeles Lovejoy Butte 853 Comment
  UCR223185  Mentzelia veatchiana R. G. Swinney 2009-5-20 10805 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA446886  Mentzelia veatchiana Christopher Davidson 1975-5-25 2564 Los Angeles 3.5 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.1 mi past Sandberg Pk. 1646 Comment
  SBBG108134  Mesembryanthemum nodiflorum S. L. Crockett 1997-3-20 594 Los Angeles point overlooking and NE of Ben Weston Beach 164 Comment
  SBBG19211  Mesembryanthemum nodiflorum M. A. Piehl 1963-12-7 631046 Los Angeles SE tip of island opposite Pyramid Head 21 Comment
  UC1713562  Mesembryanthemum nodiflorum L. R. Abrams and I. L. Wiggins 1931-7-6 367 Los Angeles vicinity of Mosquito Harbor (San Clemente Island); San Clemente Island Comment
  LA202820  Mesembryanthemum nodiflorum J. D. Sauer; D. L. Johnson 1969-5-10 4500 Los Angeles San Clemente Island, N of Eel Point, central W coast Comment
  SFV10357  Micropus californicus M. L. Vincent 1963-5-22 358 Los Angeles Santa Monica Mountains Intersection of Old Topanga Canyon Road and Mulholland Highway, 0.5 miles off road. Comment
  JEPS31167  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles n side of canyon on the road to Mexican Mine; Tehachapi Mountains, Tejon Ranch, Oso Canyon 1005 Comment
  RSA592817  Microseris lindleyi Steve Boyd 1996-4-25 8669 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 915 Comment
  UCR126872  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26143 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
  UCR230271  Microseris lindleyi Dan S. Cooper 2011-4-18 411- 12 B Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, Padua Park, off Padua Ave. near Claremont 559 Comment
  RSA232788  Microseris lindleyi R. F. Thorne 1966-4-17 36130 a Los Angeles San Clemente Island, Box Canyon, NW of Horse Canyon, SW of Thirst. 274 Comment
  UCR255767  Mimulus R. G. Swinney 2010-5-12 12707 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  LA51920  Mimulus aurantiacus J. A. Ewan; 1930-5-30 2240 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Peak 556 Comment
  RSA420308  Mimulus aurantiacus var. pubescens R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  RSA442637  Mimulus aurantiacus var. pubescens Harvey Anderson, C. Epling 1930-5-30 s.n. Los Angeles Mandeville Canyon. Comment
  RSA580984  Mimulus aurantiacus var. pubescens Catherine A. Mish 1995-3-4 11 Los Angeles Santa Monica Mountains, Hollywood Reservoir. 250 Comment
  RSA597014  Mimulus aurantiacus var. pubescens Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3811 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  RSA102536  Mimulus aurantiacus var. puniceus C. S. Williamson 1901-7-24 s.n. Los Angeles Santa Catalina Island. Comment
  RSA80123  Mimulus brevipes F. W. Peirson 1923-5-21 195 Los Angeles Fish Canyon, San Bernardino Mountains 686 Comment
  UCR168409  Mimulus brevipes Fay A. MacFadden 1931-6-10 s.n. Los Angeles Transverse Range, La Tuna Canyon, Verdugo Hills 500 Comment
  UCR256857  Mimulus cardinalis R. G. Swinney 2010-10-13 14022 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA435504  Mimulus floribundus F. R. Fosberg 1931-8-12 S- 5599 Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  SFV21126  Mimulus floribundus L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1048 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Brand Canyon above the large waterfall where the canyon forks off, near above coordinates. Smaller side canyon that branches off to the east of the main canyon. Side canyon narrows quickly to a bedrock waterfall (or seep). 519 Comment
  RSA646132  Mimulus fremontii Orlando Mistretta 1993-5-10 837 Los Angeles San Gabriel Mountains: Big Pines Highway. 1326 Comment
  RSA80495  Mimulus fremontii F. W. Peirson 1917-5-13 1129 Los Angeles Roadside bear Little Rock, Antelop Valley. Comment
  RSA600539  Mimulus guttatus Steve Boyd, Lauren Raz 1997-5-28 9863 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UC1012128  Mimulus guttatus Francis W. Pennell 1940-4-18 25135 Los Angeles e Gorman (Route 99) 1127 Comment
  UCR205622  Mimulus guttatus R. G. Swinney 2008-5-13 8861 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  POM50  Mimulus guttatus D. L. Crawford 1915-6-30 s.n. Los Angeles Bear Flats, mountains above Claremont 2134 Comment
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Jan 20 2011
  RSA0056591  Mimulus johnstonii Robert F. Thorne, C. W. Tilforth 1971-6-30 40830 Los Angeles San Gabriel Mountains, Angeles National Forest: 3.3 miles below Alder Saddle along and above S Fork of Little Rock Creek. 1433 Comment
  UC1595436  Mimulus nasutus Tim Ross 1992-7-10 6674 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  RSA0014593  Mimulus parishii Orlando Mistretta, Christine Mistretta 2011-6-17 5707 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1087 Comment
  UCR140959  Mimulus pilosus June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, South Fork, Big Rock Creek 1402 Comment
  RSA229166  Mimulus pilosus Robert F. Thorne, C. W. Tilforth 1971-6-30 40828 -B Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA603730  Mimulus rubellus Louis C. Wheeler 1948-6-13 6648 Los Angeles San Gabriel Mountains: Depression Wickiup Creek. 1364 Comment
  RSA65506  Minuartia douglasii F. W. Peirson 1921-5-3 5315 Los Angeles Bear Canyon Ridge west of Mt. Lowe 1219 Comment
  PASA599  Mirabilis californica Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  CATA2928  Mirabilis jalapa Sara L. Crockett, Michael Daligdig 1996-11-11 45 Los Angeles Santa Catalina Island: Southern California Edison Station near Pebbly Beach 6 Comment
  RSA0087330  Mirabilis laevis R. G. Swinney 2010-3-13 11875 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  SEINET10478629  Mirabilis laevis Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4800 Los Angeles Santa Catalina Island; Catalina Conservancy Land, The James H. Ackerman Native Plant Nursery. In Middle Canyon, near Middle Ranch and Cape Canyon Trail. 10 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 230 Comment
  SFV1126  Mirabilis laevis K. A. Wilson 1961-3-5 942 Los Angeles Santa Monica Mountains Mulholland Highway, about 2 miles west of Las Virgenes Road. Comment
  SBBG69865  Mirabilis laevis var. crassifolia R. Hoffmann 1929-5-22 Los Angeles Del Sur to Elizabeth Lake Comment
  UCR281644  Mirabilis laevis var. crassifolia R. G. Swinney 2014-5-8 16454 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA0070133  Monardella breweri subsp. breweri Orlando Mistretta, Christine Mistretta 1982 Los Angeles Saddleback Butte State Park. 824 Comment
  SEINET3996177 Image available Monardella breweri subsp. lanceolata Victor Duran 1933-1 3514 Los Angeles Sulphur Springs, San Gabriel Mountains 1524 Comment
  RSA588735  Monardella cinerea Orlando Mistretta 1994-5-31 1282 Los Angeles Santiago canyon. N slope of Pacifico Mountain. 2027 Comment
  RSA729179  Monardella cinerea R. G. Swinney 1998-7-14 6439 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  CAS-BOT-BC220126  Monardella exilis Cecil Hart 1930-4-27 s.n. Los Angeles Between Lancaster & Victorville Comment
  CAS-BOT-BC220138  Monardella exilis Roxana S. Ferris 1918-6-12 925 Los Angeles Lancaster Comment
  CAS-BOT-BC349491  Monolopia lanceolata Le Roy Abrams 1901-4-1 1317 Los Angeles Santa Monica Mts Comment
  UC2030066  Monolopia lanceolata Steve Boyd, Lee Lenz 2001-5-2 10419 Los Angeles Transverse Ranges; Liebre Mountains region: along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. Comment
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Apr 24 2018
  POM363561  Monoptilon bellidiforme Christopher Davidson 1973-4-7 1907 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  UC1595330  Muhlenbergia californica Tim Ross and Orlando Mistretta 1992-7-24 6770 Los Angeles 76 degrees ene and 900 m from Strawberry Peak summit; San Gabriel Mts., vicinity of Strawberry Spring 1460 Comment
  RSA591199  Muhlenbergia microsperma L. C. Wheeler 1932-4-22 639 Los Angeles Mouth of Little Santa Anita Canyon 396 Comment
  RSA604535  Muhlenbergia microsperma Sara L. Crockett, S. Junak, M. Hoefs, Janet Takara 1997-3-28 623 Los Angeles Santa Catalina Island. N side of Cherry Harbor, overlooking mud flats, 20-30m upslope 43 Comment
  UCR260330  Muhlenbergia microsperma R. G. Swinney 2010-4-13 12213 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  SEINET10926903  Muhlenbergia richardsonis Victor Duran 1933-7-20 Duran 3522 Los Angeles Buckhorn, San Gabriel Mts., 1981 Comment
  RSA655749  Muilla maritima James Henrickson 2000-4-15 2068 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  RSA0046854  Myrica californica Anstruther Davidson 1892-08 s.n. Los Angeles Canyon, Santa Monica. Comment
  SBBG20559  Myriopteris newberryi E. R. Blakley 1963-12-7 6349 Los Angeles cyn between Pyramid Head and Cove, S of Triangulation Pt Guds 30 Comment
  POM118963  Najas guadalupensis H. E. Hasse 1889-08 s.n. Los Angeles Sierra Santa Monica. Comment
  RSA729958  Nama demissa var. demissa R. G. Swinney 1999-4-5 7062 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East. 1207 Comment
  RSA428287B  Nama stenocarpa Anstruther Davidson 1924-07 s.n. Los Angeles Bixby Slough Comment
  RSA565754  Nandina domestica Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles Arroyo Seco Canyon; between Gould Mesa Picnic area and Oakwilde Picnic area Comment
  CAS-BOT-BC433229  Nassella cernua A. C. Sanders 2006-5-16 32302 Los Angeles Transverse Range; Liebre Mtns. Region: 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 1006 Comment
  RSA187826  Nassella cernua R. F. Thorne 1966-4-28 36251 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
  RSA594735  Nassella lepida Timothy S. Ross 1995-4-7 8353 Los Angeles 'OLD RIDGE ROUTE'': 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 619 Comment
  RSA653866  Nassella lepida Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 881 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. 396 Comment
  RSA232808  Nassella pulchra R. F. Thorne 1966-4-16 36055 Los Angeles San Clemente Island, top of mesa S of Lemon Tank, S of Nanny, NE side of island 305 Comment
  SBBG108418  Nassella pulchra T. Ross, G. Allan, M. Elvin, J. Stone 1995-5-19 8587 Los Angeles northern tributary of Canchalagua Cyn, ca. 1070 ft NNE of the 1135 ft Triangulation Pt 256 Comment
  SEINET4056823  Nassella pulchra R. Moran 1941-1 570 Los Angeles West end of ravine, Middle Ranch, San Clemente Island. 500 Comment
  RSA774842  Nasturtium officinale R. G. Swinney 2009-6-12 11149 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  SD260234  Nasturtium officinale R. G. Swinney 2009-8-6 11540 Los Angeles Transverse Range; San Gabriel Mountains: San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom. 1073 Comment
  SD241134  Navarretia atractyloides Mark A. Elvin 2003-1-30 2960 Los Angeles Western Transverse Range; Santa Clarita Valley Area: Newall Ranch, west side of Grapevine Mesa, 4 km SW (216a^z) of intersection of I-5 Fwy and Hwy 126 (Val Verde 7.5'Q) 366 Comment
  UCR129431  Navarretia atractyloides A. C. Sanders, Mark Elvin 2002-6-18 25135 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  UCR276761  Nemacladus R. G. Swinney 2011-5-16 14747 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
  SD87808  Nemacladus longiflorus F. W. Peirson 1921-6-21 2453 Los Angeles West Fork of San Gabriel River. 640 Comment
  RSA659944  Nemacladus sigmoideus Orlando Mistretta 1992-5-18 354 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR272977  Nemacladus sigmoideus R. G. Swinney 2011-6-1 14955 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  SEINET10460868  Nemacladus sigmoideus Thorne THORNE 43359 Los Angeles MOJave Desert Slope 1158 Comment
  RSA421310  Nemophila menziesii var. integrifolia Elbert Benjamine 1929-3-31 86 Los Angeles Mint Canyon. Comment
  RSA669150  Nemophila menziesii var. integrifolia LeRoy Gross, Naomi S. Fraga 2002-4-4 509 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road., (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 532 Comment
  SBBG64800  Nemophila menziesii var. integrifolia R. Hoffmann 1927-6-14 Los Angeles Pine Cyn, Cottonwood Springs Comment
  RSA607025  Nemophila menziesii var. menziesii Louis C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope of Smith Mountain, along Bear Creek Trail. 1280 Comment
  RSA0107656  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA626983  Nicotiana attenuata Louis C. Wheeler 1973-7-15 s.n. Los Angeles Doe Flat; Graveyard Canyon. Comment
  RSA188389  Nicotiana bigelovii Robert F. Thorne, Percy C. Everett 1965-6-22 34883 Los Angeles Santa Catalina Island. Road to East Mountain, S end of island. 457 Comment
  RSA0060115  Nicotiana clevelandii F. W. Peirson 1091 Los Angeles Ballona, coast of Los Angeles Co. Comment
  CDA33960  Nicotiana glauca M. O'Brien 2006-10-1 MOB 06 -1 Los Angeles San Gabriel Mountains; San Gabriel River, Angeles National Forest. 7 miles above the dam. Comment
  CHSC95768  Nicotiana glauca LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1097 Los Angeles Transverse Ranges; Verdugo Mountains region: North side of mountains: Entered west of Haines Canyon Park, off of Estepa Dravie in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. In canyon bottom. The canyon is not that deep as the hills north of the 210 freeway are low. Homes are in the northern portion. The southern half gets just a little more steeper on the slopes, with more water in the creek. 457 Comment
  RSA0031688  Nicotiana glauca Carol Frazier 1966-6-3 s.n. Los Angeles San Rafael Hills. 274 Comment
  UC1280003  Nicotiana glauca Peter H. Raven 1957-9-21 11360 Los Angeles Topanga Canyon Santa Monica Mountains (2.5 mi above U.S. Hwy 101A) Comment
  UCR256869  Nicotiana glauca R. G. Swinney 2010-8-16 13546 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  SEINET6174946  Nicotiana quadrivalvis var. bigelovii G. B. Grant 839 Los Angeles Covina Comment
  SEINET10818926  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3966 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10950898  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3936 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  UCR157993  Nitrophila occidentalis David Charlton 1989-5-17 3182 Los Angeles Western Mojave Desert, southwest of Piute Ponds, Edwards Air Force Base 701 Comment
  UC1215148  Nuttallanthus texanus Peter H. Raven 1962-4-10 17212 Los Angeles about 2 mi n of Thirst (San Clemente Island); San Clemente Island 487 Comment
  CAS-BOT-BC167069  Oenothera californica Carl B. Wolf 1928-3-29 1592 Los Angeles So. base of Ridge Route, 1 mi. No. of Castaic 396 Comment
  HSC16520  Oenothera californica C. S. Apperson 1967-6-3 Los Angeles 12 mi. W on Ave. D off of the Sierra Hwy. 762 Comment
  UCR152536  Oenothera speciosa A. C. Sanders, Lee Jones 2005-4-8 29345 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  LA202439  Oenothera speciosa Arthur C. Gibson; 2006-8-9 5107 Los Angeles Comment
  SBBG112825  Oligomeris linifolia S. A. Junak with K. Kirkland 1998-7-17 SCa 786 Los Angeles just inland from mouth of Silver Cyn 6 Comment
  SEINET13387025 Image available Onagraceae R. G. Swinney 2011-1 15444 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  CATA1882  Ophioglossum californicum Lauren K. Danner, Jenny McCune 2005-3-1 Los Angeles Santa Catalina Island: Roughly half way between Black Jack Mountain and the aiport, to the northwest (315 deg. ) of Black Jack, ca. 40 m from streambed, found in oak releve #126, population is ca. 25m from reference corner which is a rusty T-post with a silver tag reading 2466 360 Comment
  UCR223582  Opuntia basilaris var. brachyclada R. G. Swinney 2009-6-17 11223 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  POM311526  Opuntia littoralis Lyman Benson 1963-6-20 16344 Los Angeles Pomona. Puddingstone Ave. just north of Carrion Bridge. 244 Comment
  UC1870332  Opuntia microdasys LeRoy Gross 2001-10-6 449 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Big Tujunga Wash, southern front of the San Gabriel Mountains 366 Comment
  RSA0059276  Orobanche bulbosa Meryl B. Dunkle 1931-4-22 2449 Los Angeles Head Swain's Canyon. Santa Catalina Island. Comment
  RSA0072126  Orobanche cooperi Robert Gustafson, Christopher Davidson 1977-4-20 425 Los Angeles Fort Tejon Road, south of Littlerock about 1.5 miles east of the junction with 82nd St. 975 Comment
  SD111598  Orobanche fasciculata W. P. Armstrong 1982-6-12 Los Angeles Southeast firebreak ridge of Lookout Mountain. 1790 Comment
  SBBG112823  Orobanche parishii subsp. brachyloba S. A. Junak 1998-7-17 SCa 788 Los Angeles just W of mouth of Silver Cyn, on coastal slopes just inland from beach 12 Comment
  POM157990  Orthocarpus purpurascens M. B. Dunkle 1928-3-17 1739 Los Angeles Santa Catalina Island. Johnson's [canyon/landing]. 61 Comment
  SEINET12270214  Orthocarpus purpurascens J. F. Bright, Wyman, C. 1933-1 8035 Los Angeles between Long Beach & Santa Monica Comment
  RSA656847  Osmorhiza berteroi Valerie L. Soza, Laura Moore 2000-6-14 1018 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  UCR204018  Osmorhiza chilensis R. G. Swinney 2001-9-15 8141 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
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Oct 8 2009
  PASA1829  Osmorhiza nuda Sally Ellis 1940-4-16 Los Angeles Eve's canyon, Claremont Comment
  RSA656419  Oxalis pes-caprae Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 673 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  UC6201  Oxytheca parishii var. parishii Dr. A. Davidson 1892-1 Los Angeles Wilsons Peak 1371 Comment
  CAS-BOT-BC121160  Paeonia californica Steve Boyd; Lauren Raz 1997-3-25 9273 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage at head of Cienaga Canyon 1060 Comment
  UCSB2027  Paeonia californica Wedberg, H. 1958-2-22 Los Angeles About 5 miles west of Beverly Glen on Mulholland Drive, Santa Monica Mts. Comment
  UCR281970  Panicum miliaceum R. G. Swinney 2014-5-15 16542 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
  POM48090  Papaver argemone J. B. Feudge 1923-4-26 13 Los Angeles Arrowhead Springs. 442 Comment
  UCR86543  Parapholis incurva T. S. Ross 1992-4-14 6183 Los Angeles San Clemente Island, Lemon Tank Road, c. 25 m ESE of its intersection with the main N-S island road. 341 Comment
  RSA150678  Parietaria hespera var. hespera Peter H. Raven 1962-4-12 17309 Los Angeles Head of canyon near the Tomb. Semishade. San Clemente Island Comment
  POM364359  Paspalum distichum Bonnie C. Templeton 1934-10-13 4795 Los Angeles Los Angeles River Comment
  UCR206491  Passiflora caerulea A. C. Sanders, T. B. Salvato 2009-5-21 36900 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  IRVC27797  Pectocarya linearis A. C. Sanders 2005-5-11 30172 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  POM3820  Pectocarya linearis C. F. Baker 4135 Los Angeles Hills near Claremont Comment
  RSA762714  Pectocarya linearis R. G. Swinney 2009-2-20 10029 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  CHSC34617  Pectocarya penicillata James Henrickson 1973-5-12 9592 Los Angeles 9 miles SW of Little Rock, .2 miles S of Mt. Emma Rd., along Hwy N3. 1188 Comment
  RSA599480  Pectocarya penicillata Steve Boyd, Lauren Raz 1997-3-26 9344 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UC1871150  Pectocarya penicillata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4986 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
  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
  RSA165679  Pectocarya penicillata Wesley O. Griesel 1963-4-26 769 Los Angeles About 1/2 mile southeast of Devil s Gate Dam, Pasadena. 366 Comment
  UC1871065  Pectocarya setosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4802 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  LA35253  Pedicularis densiflora Mary V. Hood; 1937-3-11 37 4 * Los Angeles Comment
  UCR9218  Pedicularis densiflora D. H. Wilken 1965-2-20 28 Los Angeles Western Transverse Range; Santa Monica Mtns., Upton Canyon, near Mulholland Hwy 488 Comment
  SD127610  Pedicularis semibarbata Scott Zona, D. Arias, O. Dorado, M. Hanson, J. -L. Villasenor 1989-6-21 343 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2018 Comment
  SEINET3124782 Image available Pellaea andromedifolia C. F. Shutts 1949-2-14 4 Los Angeles Little Dalton Canyon. 430 Comment
  UCR1104  Pellaea andromedifolia Shirley Ward 1957-4-21 s.n. Los Angeles San Gabriel Mtns., Monrovia Canyon, 1/2 mile from waterfalls 610 Comment
  SD107908  Pellaea andromedifolia var. pubescens Larry DeBuhr 1977-4-16 2569 Los Angeles Santa Catalina Island, coastal bluffs around Little and Shark Harbours Comment
  LA94181  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-12 1686 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 0.75 mi W of Triunfo Canyon Rd, bluff just N of Lobo Creek. 304 Comment
  RSA567271  Penstemon centranthifolius Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3940 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  OBI7907  Penstemon centranthifolius G. L. Parsons 1976-5-21 66 Los Angeles San Gabriel Mts., alongside rd, 5 mi SE of Valyermo Comment
  RSA412436  Penstemon centranthifolius Robert M. Perkins 1936-4-3 164 Los Angeles San Gabriel Canyon. Comment
  RSA773286  Penstemon grinnellii R. G. Swinney 2009-6-24 11276 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA68356  Penstemon grinnellii Verne Grant, Alva Grant 1951-6-11 16033 Los Angeles Near Hwy 2, several miles beyond Red Box Ranger Station. Comment
  RSA408051  Penstemon grinnellii subsp. grinnellii L. E. Hoffman 1929-7-23 s.n. Los Angeles Wash. Head [of] Pacoima Canyon, Angeles National Forest. Comment
  NY601245  Penstemon grinnellii var. scrophularioides T. S. Ross 1994-5-4 7647 Los Angeles Vicinity of Grass Mountain: ridge descending east-southeast from the north summit of Grass Mountain; margin of Grass Mountain - Leona Divide Truck Trail. 1274.1 Comment
  NY601696  Penstemon heterophyllus var. heterophyllus A. D. E. Elmer 06 1902 3707 Los Angeles Acton Comment
  UC184241  Penstemon heterophyllus var. heterophyllus A. D. E. Elmer June, 1902 3707 Los Angeles Acron , Mt. Gleason (Mt. Gleason) Comment
  UC1971162  Penstemon palmeri Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. Comment
  RSA401902  Penstemon spectabilis Bonnie C. Templeton 1931-3-29 s.n. Los Angeles Mandeville Canyon 200 Comment
  RSA401800  Penstemon spectabilis E. A. Purer 1935-5-11 6585 Los Angeles Santa Monica Hills. Comment
  POM184765  Penstemon spectabilis subsp. subviscosus Philip A. Munz 1932-5-17 12640 Los Angeles 1 mile north of Claremont. 396 Comment
  LA35185  Penstemon spectabilis var. subviscosus Mary V. Hood; 1941-4-27 41 74 k* Los Angeles SANTA MONICA MOUNTAINS, near Malibu Lake. 213 Comment
  RSA0066079  Pentagramma triangularis R. T. Hickernell 1948-5-8 7 Los Angeles One mile north of San Dimas Dam. 304 Comment
  LA94198  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1697 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near road just S of Malibu Lake. 243 Comment
  RSA687396  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1928-4-10 1832 Los Angeles Santa Catalina Island, Johnson's Canyon. 61 Comment
  UCSB62244  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-8-28 Los Angeles San Gabriel Mtns., vicinity of Mt. Gleason, Moody Cyn. Rd., ca. 3 miles down from Mt. Gleason Rd. 1463 Comment
  RSA3493  Perityle emoryi C. B. Wolf 1932-5-9 3436 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 7 Comment
  SBBG80321  Perityle emoryi F. C. Boutin 1967-4-23 1672 Los Angeles Lemon Tank 304 Comment
  LA200254  Perityle emoryi A. H. Lange; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  CAS-BOT-BC419006  Persicaria lapathifolia Louis C. Wheeler 1933-8-20 2087 Los Angeles Pine Canyon Dam, San Gabriel Canyon, San Gabriel Mts. 304 Comment
  RSA710708  Phacelia brachyloba Valerie L. Soza, Susan Caplow 2003-4-11 1624 Los Angeles Brand Park, just south of junction of Brand Park Mtwy and Verdugo Mtwy, alongside Brand Park Mtwy. Brand Burn 2002 area. 793 Comment
  UCR256175  Phacelia brachyloba R. G. Swinney 2010-6-4 13061 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256572  Phacelia brachyloba Anuja Parikh, Nathan Gale 2011-6-27 3513 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.1 km SW of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1277 Comment
  RSA427579  Phacelia brachyloba N. C. Cooper 1945-5-1 2199 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA0040541  Phacelia cicutaria var. hispida Orlando Mistretta 1990-4-15 s.n. Los Angeles Fish Canyon, tributary to the San Gabriel River 336 Comment
  RSA433468  Phacelia cicutaria var. hispida Tim S. Ross 1991-4-21 4558 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridgetop on N side of Turnbull Canyon. 294 Comment
  UCR215793  Phacelia cicutaria var. hubbyi Anuja Parikh, Nathan Gale 2009-5-21 2151 Los Angeles west side of Santa Susana Mountains, Newhall Ranch, between Potrereo/Pico Canyons, 5.6 km west of Hwy I-5, 1.4 km southwest of Potrero Canyon 515 Comment
  UCR52404  Phacelia ciliata David Charlton 1988-4-3 1717 Los Angeles Western Mojave Desert, W of Lancaster on Hwy 138. Quail Lake area between Gorman and Holiday Valley 1070 Comment
  UC1262267  Phacelia curvipes C. W. Tilforth, J. Dourley, W. Wisura 1978-4-17 1531 Los Angeles Bob's Gap, about 2 1/2 air miles NE of Valyermo, north slope of San Gabriel Mountains. 1097 Comment
  UCR138546  Phacelia curvipes Steve Boyd, Orlando Mistretta 1986-3-31 1560 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  SFV3003  Phacelia distans H. L. Bauer 1941-4-21 647 Los Angeles Playa del Rey. 61 Comment
  UC1211051  Phacelia distans Huron H. Smith 1912-5-9 4954 Los Angeles beach Redondo Comment
  RSA7495  Phacelia distans F. W. Peirson 1922-4-10 4121 Los Angeles 3-4 miles S of Seal Harbor, San Clemente Island. Comment
  SD75542  Phacelia distans M. B. Dunkle 1939-5-28 8122 Los Angeles San Clemente Island; east coast of island. Comment
  SEINET5760570  Phacelia distans J. H. Barber 1897-1 58 Los Angeles Santa Monica Forestry Station Comment
  RSA587038  Phacelia egena Orlando Mistretta 1995-5-10 1698 C Los Angeles San Gabriel Mountains, Bare Mountain Canyon, West Fork, 1540 Comment
  CAS-BOT-BC141542  Phacelia floribunda R. M. Beauchamp 1967-1-28 133 Los Angeles San Clemente Island, in rock at base of cliff 1/2 mile south of Eel Point Comment
  CATA2832  Phacelia floribunda R. Mitchel Beauchamp 1976-5-22 4149 Los Angeles San Clemente Island: Below Permit, west of Seal Cove, SCI Sector V 49.7 38 Comment
  RSA426164  Phacelia fremontii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA729647  Phacelia fremontii R. G. Swinney 1998-7-2 6232 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA710703  Phacelia grandiflora Valerie L. Soza, Susan Caplow 2003-4-11 1626 Los Angeles Brand Park, south of junction of Brand Park Mtwy and Verdugo Mtwy, alongside Brand Park Mtwy, head of Brand Canyon. 762 Comment
  UC1375327  Phacelia imbricata subsp. imbricata Robert F. Thorne and C. W. Tilforth 1971-6-29 40702 Los Angeles along creek at Tie Canyon where crossed by Angeles Forest Rd San Gabriel Mts. Angeles National Forest, Aliso Creek 1371 Comment
  UC1375248  Phacelia imbricata subsp. patula Robert F. Thorne 1969-7-2 38306 Los Angeles along Angeles Crest Hwy 3.2 mi wsw Cloudburst Summit; San Gabriel Mts., Angeles National Forest 1981 Comment
  RSA629691  Phacelia longipes Scott D. White, Dave Bramlet 1998-8-11 7046 Los Angeles 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
  RSA75934  Phacelia longipes F. W. Peirson 1928-6-2 7941 Los Angeles near foot of trail at 5000ft to near summit of ridge, trail up S Fork of Rock Creek, San Gabriel Range 2073 Comment
  UC1349371  Phacelia lyonii Robert F. Thorne 1966-4-5 35810 Los Angeles below Stage Station; Santa Catalina Island, Middle Ranch Canyon 76 Comment
  SDSU19986  Phacelia minor S. H. Bullock 1968-4-6 36 Los Angeles Claremont, north of Foothill Blvd. between Dartmouth and College Ave. 366 Comment
  POM8035  Phacelia minor P. A. Munz 1920-3-17 3349 Los Angeles San Dimas Canyon. 457 Comment
  UCR152474  Phacelia parryi A. C. Sanders, Lee Jones 2005-4-8 29335 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  NY83883  Phacelia polysperma L. Abrams 1908-7-2 560 Los Angeles Rock Creek, desert slope of the San Gabriel Mountains 1158.2 Comment
  UCR277190  Phacelia tanacetifolia R. G. Swinney 2011-4-19 14420 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
  CLARK-A1528-5109  Phacelia viscida John C. Roos 1937-7-7 404 Los Angeles La Crescenta 478 Comment
  UCR127033  Phacelia viscida Mark A. Elvin 2003-4-9 2472 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  CATA1234  Phalaris aquatica Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2304 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  SBBG133157  Phalaris lemmonii E. Howe 2010-5-16 SERG 10 -44 Los Angeles ephemeral pool on OP3 rd 519 Comment
  RSA232803  Phalaris minor R. F. Thorne 1966-4-16 36026 Los Angeles San Clemente Island: above Wilson Cove, NE end of island 30 Comment
  UCR88668  Phalaris minor Scott D. White, Chet McGaugh 1995-5-9 2986 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  RSA469918  Phlox diffusa B. C. Templeton 1932-5-31 5056 Los Angeles Big Pines Park, San Gabriel Mountains 2092 Comment
  CATA107  Pholistoma auritum Mark L. Hoefs, A. Douglas Propst 1973-3-14 80 Los Angeles Santa Catalina Island: Cape Canyon 289 Comment
  POM199736  Pholistoma auritum I. W. Clokey, Bonnie C. Templeton 1929-04 4437 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA459250  Pholistoma auritum L. E. Hoffman 1929-5-5 s.n. Los Angeles Hermon Hills, Ave-57. Pasadena. Comment
  UC1584874  Pholistoma auritum Tim Ross 1991-4-8 4458 Los Angeles western Pomona (Elephant Hill); San Dimas U.S.G.S. 7.5' Quad., , Elephant Hill 228 Comment
  UCR142488  Pholistoma auritum F. R. Fosberg 1931-4-13 S- 4592 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, right fork 290 Comment
  RSA233395  Pholistoma auritum Robert F. Thorne 1966-4-16 36076 Los Angeles San Clemente Island: Canyon below Lemon Tank near dump, S of Nanny, NE side of island 183 Comment
  CATA458  Pholistoma auritum var. auritum Sara L. Crockett, Mark Hoefs, Steve Junak 1997-3-27 601 Los Angeles Santa Catalina Island: 0.2 mile N on Lower Cape Canyon Reservoir Road from jct. with Cape Canyon Road; E of vernal stream bank ca. 5 m, near secondary drainage 286 Comment
  UCR60535  Pholistoma membranaceum R. F. Thorne, W. Wisura, S. Granger, Pamela Burton 1982-4-20 54999 Los Angeles San Gabriel Mountains, grassy slopes above Little Rock Creek, below dams 976 Comment
  SBBG95204  Pholistoma racemosum M. B. Dunkle 1928-3-31 1773 Los Angeles Little Harbor Comment
  UCR124412  Pholistoma racemosum B. C. Templeton 1968-2-25 11383 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  UCR282661  Phoradendron leucarpum subsp. macrophyllum Dan S. Cooper 2017-1-21 117- 03 Los Angeles Los Angeles, Griffith Park, Fern Canyon picnic area 148 Comment
  RSA420804  Phoradendron macrophyllum Edwin Kline 1925-8-16 s.n. Los Angeles Near Saugus. Comment
  POM354347  Phoradendron villosum Ora M. Clark 1929-3-29 1826 Los Angeles N. W. Sandberg. Comment
  RSA623935  Phoradendron villosum Kathleen J. Wilder 1991-5-25 122 Los Angeles Angeles Crest Forest, Chilao campground, up Horse Flats hiking trail to Mt. Hillyer trail. 1677 Comment
  LA97876  Pickeringia montana subsp. montana Kei Nakai; 1977-7-4 151 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, on Roger Rd, N 5.5 mi from Trippet Ranch 579 Comment
  RSA673605  Pinus attenuata LeRoy Gross 2003-1-18 684 Los Angeles Along dirt road that had a sign stating Plantation Lateral just off Verdugo Mountainway, along crest of the Verdugo's. 854 Comment
  RSA0065473  Pinus flexilis Rudolf Schmid 1962-6-2 s.n. Los Angeles By highway in vicinity of Crystal Lake, Angeles National Forest. 1828 Comment
  UCR223401  Pinus jeffreyi R. G. Swinney 2009-7-29 11429 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCSC001191  Pinus lambertiana Peter Kamb 1947-9-28 739 Los Angeles ridge west of Mt. Hawkins Mt. Hawkins - San Gabriel Mts. 2438 Comment
  RSA594936  Piptatherum miliaceum Steve Boyd, Lauren Raz 1996-10-8 9001 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  UCR273445  Piptatherum miliaceum R. G. Swinney 2011-10-25 15876 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  CHSC5083  Plagiobothrys Mary MacArthur 1967-6-24 68 Los Angeles .7 mi. from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittent stream bed, Angeles National Forest. 1584 Comment
  SBBG31245  Plagiobothrys collinus var. gracilis R. F. Thorne 1966-4-5 35804 Los Angeles W slope of Black Jack Mtn 518 Comment
  UCR187249  Plagiobothrys nothofulvus A. C. Sanders 2006-4-18 32118 Los Angeles Tehachapi Mtns. Foothills, hills south of Oso Canyon on the west side of the Cement Plant Rd., c. 0.75 mile north of Quail Lake 1067 Comment
  POM126479  Plagiobothrys nothofulvus E. D. Palmer 1903-05 s.n. Los Angeles Claremont Comment
  RSA592415  Plantago coronopus Mark Hoefs 1974-5-2 453 Los Angeles Santa Catalina Island. dry reservoir margin by road above Parson's Landing 30 Comment
  POM246421  Plantago erecta F. R. Fosberg 1931-3-20 S- 4317 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 2 Comment
  RSA187909  Plantago erecta Robert F. Thorne 1966-4-7 35937 Los Angeles Santa Catalina Island: Cherry Valley. 61 Comment
  UCR194146  Plantago erecta A. C. Sanders 2008-4-25 35103 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  RSA535291  Plantago erecta Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5333 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons 485 Comment
  RSA661086  Plantago erecta Orlando Mistretta 1992-4-5 198 Los Angeles Guds, San Clemente Island. Comment
  UCR106364  Plantago indica Scott D. White, Noel Davis 1997-8-1 5438 Los Angeles Foothills of San Gabriel Mtns., Big Tujunga Wash, east San Fernando Valley, west of Sunland, SW of Interstate Hwy 210, east of Hansen Dam, and north of Wentworth Street. 335 Comment
  RSA669339  Plantago lanceolata LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 563 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  RSA0021520  Plantago major Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5150 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  SFV3507  Plantago major H. N. Falb 1958-11-9 s. n. Los Angeles Santa Monica Mountains Malibu Canyon Road, Tapia Park. 150 Comment
  RSA412574  Plantago major Anstruther Davidson 1891-1 s.n. Los Angeles Los Angeles. Comment
  RSA764434  Plantago major Doris Bowers 1957-5-2 615 Los Angeles LaVerne College 320 Comment
  SBBG96845  Plantago ovata var. insularis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4219 Los Angeles lower half of China Cyn Comment
  RSA402023B  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7270 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA131977  Platanthera leucostachys Gale Sphon 1959-6-27 383 Los Angeles West of junction of Big Rock Creek Road with paved road, San Gabriel Mountains. 2058 Comment
  UCR189846  Platanthera sparsiflora R. G. Swinney 1998-7-21 6472 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  RSA616722  Platanthera sparsiflora Louis C. Wheeler 1966-8-21 8826 Los Angeles San Gabriel Mountains: Dorr Canyon, west side Mount Burnham.. . Comment
  RSA660222  Platanus racemosa Fred Brooks 1988-4-16 6 Los Angeles San Antonio Canyon, above lower ranger station along edges of canyon. 762 Comment
  SEINET4890923  Platanus racemosa J. H. Barber 1897-3-28 103 Los Angeles Santa Monica Forestry Station Comment
  SBBG70067  Platystemon californicus M. N. Ackley 1926-5-6 774 Los Angeles Little Rock foothills 914 Comment
  RSA445703  Platystemon californicus E. A. Purer 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA445741  Platystemon californicus Elbert Benjamine 1929-3-3 82 Los Angeles Antelope Valley Comment
  RSA748904  Poa annua R. G. Swinney 2008-5-30 8870 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  SBBG32095  Poa annua R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -192 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  RSA484196  Poa pratensis Robert M. Perkins 1935-5-4 55 Los Angeles Los Angeles; vacant lot Comment
  RSA788826  Poa pratensis Jane Tirrell, Shirley Imsand 2012-7-6 LS 0089 Los Angeles Little Jimmy Springs 2263 Comment
  SBBG133133  Poa secunda S. A. Junak 1996-4-12 SCI- 302 Los Angeles valley just NE of rd of Horse Beach Cyn, just W of rd to Pyramid Rd, ca. 2.85 mi SE of "Thirst" 396 Comment
  UCR25115  Poa secunda John C. Roos, L. Roos 1951-5-27 5055 Los Angeles Mojave Desert, flats between Lancaster and Rosamond 701 Comment
  LA33427  Poa secunda subsp. secunda Peter H. Raven; 1959-4-4 13963 Los Angeles SANTA MONICA MOUNTAINS, just E of Zuma Beach. 24 Comment
  RSA150709  Poa secunda subsp. secunda Brown, Lingenfelter 1961-5-18 19 Los Angeles canyon about 3 miles E of Mt. Gleason, 0.25 miles E of Nike site 1676 Comment
  UC188811  Poa secunda subsp. secunda H. M. Hall June 1899 1260 Los Angeles San Antonio Mts 2042 Comment
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Oct 6 2014
  RSA0082769  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-18 6954 Los Angeles Oso Canyon, 0.5 mile west of Coe Field fence. 1036 Comment
  UCR199991  Polygonum arenastrum Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1350 Los Angeles Transverse Ranges; Verdugo Mountains, near intersection of La Tuna Canyon and Las Barras Canyon at lower end of Hostetter Motorway 473 Comment
  SBBG17745  Polygonum arenastrum P. H. Raven 1962-7-11 17996 Los Angeles just S of old airstrip Comment
  SBBG31083  Polygonum arenastrum R. F. Thorne 1966-9-16 36713 Los Angeles margin of reservoir at Hay Press 411 Comment
  UCR272550  Polygonum aviculare R. G. Swinney 2011-10-27 15902 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
  UC1713683  Polygonum aviculare subsp. aviculare D. L. Crawford 1915-7-5 Los Angeles Claremont Comment
  POM296977  Polypodium californicum Karen Hosterman 1957-4-8 965 Los Angeles Santa Catalina Island: Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  RSA689870  Polypodium californicum J. A. Powell, C. B. Liter 1928-4-2 s.n. Los Angeles Avalon Valley, Santa Catalina Island. Comment
  SD84807  Polypodium californicum Reid Moran 1941-2-2 598 Los Angeles Middle Ranch, San Clemente Island Comment
  UCSB62425  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  CAS-BOT-BC232410  Polypogon monspeliensis Peter H. Raven 1962-7-12 18042 Los Angeles San Clemente Island. Wilson Cove, below barracks 45 Comment
  RSA600368  Polypogon monspeliensis Steve Boyd, Lauren Raz 1997-5-28 9870 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  SBBG59504  Polypogon monspeliensis M. N. Ackley -Jun-1927 12 Los Angeles Sycamore Park 228 Comment
  SBBG95220  Polypogon monspeliensis M. B. Dunkle 1928-4-29 1912 Los Angeles Little Harbor Comment
  UCR182243  Polypogon monspeliensis R. G. Swinney 1997-9-6 5875 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  UCD91456  Polypogon viridis P. C. Everett; E. K. Balls 1960-5-30 24133 Los Angeles San Gabriel Canyon, 2.5 mile from Azusa. 243 Comment
  RSA90271  Polypogon viridis F. W. Peirson 1922-7-5 5360 Los Angeles Swartout Valley 1 mile east of Big Pines, north slope of San Gabriel Mountains. Comment
  UCR261434  Polystichum imbricans Joseph Cahill 2011-1-22 111- 15 Los Angeles Transverse Range; San Gabriel Mountains, Angeles National Forest, along Glendora Ridge Rd. c. 2.5 miles from southwest of Mount Baldy Village 1216 Comment
  UCR255494  Populus balsamifera Dan S. Cooper 2014-6-26 614- 44 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  CAS-BOT-BC102545  Populus fremontii Alice Eastwood 1906-5-27 238 Los Angeles Roscoe Comment
  UCR193941  Populus fremontii A. C. Sanders 2008-7-10 35720 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
  LA208529  Populus fremontii subsp. fremontii Louis C. Wheeler; 1932-4-9 574 Los Angeles Kings Cayon, near Elizbenth Lake 1036 Comment
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Oct 22 2014
  SEINET12889161 Image available Potamogeton crispus R. F. Thorne 1966-1 36493 Los Angeles Upper end of Cape Canyon Comment
  CAS-BOT-BC453704  Potamogeton illinoensis F. Grinnell Jr. 1917-9-1 s.n. Los Angeles Crystal Lake near Mt Islip, San Gabriel Mountains Comment
  LA7144  Potamogeton pectinatus J. A. Ewan; 1931-10-24 5376 Los Angeles 219 Comment
  LA52093  Potentilla glandulosa subsp. glandulosa Carl Epling; Harvey Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UCR131592  Proboscidea louisianica L. C. Wheeler 1933-9-12 2111 Los Angeles San Gabriel Valley, Thompson Wash, 3 miles NE of La Verne 396 Comment
  RSA424605A  Prunella vulgaris subsp. lanceolata Fred Burlew 1926-07 s.n. Los Angeles Mt Islip. Comment
  RSA453209  Prunus emarginata Christopher Davidson 1975-5-25 2556 Los Angeles 3.3 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.2 mi past Sandberg Pk. 1692 Comment
  RSA586486B  Prunus emarginata Orlando Mistretta, Mark A. Elvin 1995-6-20 1812 Los Angeles San Gabriel Mountains:Bare Mountain Canyon. 1524 Comment
  CAS-BOT-BC167239  Prunus ilicifolia Jennifer H. Jones 2006-6-4 371 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns.: SW of Claremont Wilderness Park near the W end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel 476 Comment
  POM88069  Prunus ilicifolia Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  RSA497992  Prunus ilicifolia Freda Detmers 1931-5-17 s.n. Los Angeles Hillside, Mint Canyon. Comment
  UCR219560  Prunus ilicifolia R. G. Swinney 2009-3-28 10209 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  RSA547435  Prunus ilicifolia subsp. ilicifolia Unspecified 1992-5-17 6361 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River; 740 m distant from the mouth of Shoemaker Canyon 713 Comment
  RSA584218  Prunus ilicifolia subsp. ilicifolia Tim S. Ross, Orlando Mistretta 1993-5-27 7331 Los Angeles W end of San Gabriel Mountains: Ridge dropping westward from Loop Canyon Road (at 3060 ft.) toward Wilson Canyon. 625 Comment
  RSA702831  Prunus lyonii Scott D. White 2004-4-23 10234 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  SEINET3157252  Prunus occidentalis G. B. Grant 1045 Los Angeles Santa Catalina Island Comment
  CDA3912  Prunus persica T. S. Ross 1991-4-21 4499 Los Angeles Peninsular Ranges; Chino-Puente Hills region. Whittier hills (Puente hills, pro parte): Turnbull canyon drainage near mouth of Turnbull canyon. Comment
  CAS-BOT-BC356562  Pseudognaphalium biolettii Reid Moran 1941-2-19 595 Los Angeles Middle Ranch, San Clemente Island Comment
  UC1587672  Pseudognaphalium biolettii Tim Ross 1991-4-21 4540 Los Angeles ridge on N side of Turnbull Canyon; Whittier Hills (Puente Hills, pro parte) 304 Comment
  UCR68904  Pseudognaphalium biolettii Steve Boyd, T. Ross, L. Arnseth 1990-4-7 4201 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  RSA660881  Pseudognaphalium biolettii Orlando Mistretta 1992-4-5 144 Los Angeles Guds, San Clemente Island. Comment
  SFV5527  Pseudognaphalium biolettii W. A. Kelley Mar 1969 s. n. Los Angeles Santa Monica Mountains Mulholland near the San Diego Freeway. Comment
  CAS-BOT-BC356714  Pseudognaphalium californicum Tim Ross; Steve Boyd 1994-5-25 7954 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit 1075 Comment
  CATA1357  Pseudognaphalium luteoalbum Mark L. Hoefs, Robert F. Thorne 1995-7-26 2468 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below Eagle's Nest Lodge 134 Comment
  CATA1521  Pseudognaphalium luteoalbum Mark L. Hoefs, Steven A. Junak 1996-7-9 2739 Los Angeles Santa Catalina Island: Upper Cape Canyon Reservoir 341 Comment
  RSA0035029  Pseudotsuga macrocarpa Jack Pepper 1950-11-4 s.n. Los Angeles Charleton Flats. 1524 Comment
  SEINET10545325  Ptelea crenulata Walter H. Lewis Lewis 15644 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  LA94229  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-27 1810 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  UCR277169  Pteris multifida R. E. Riefner Jr. 2015-8-15 15- 228 Los Angeles South Coast, city of Los Angeles, Pacific Palisades, north side of Pacific Coast Hwy at Porto Marina Way near the PCH pedestrian bridge crossing 11 Comment
  UCR189384  Pteris vittata R. G. Swinney 1998-6-9 6180 Los Angeles San Gabriel Mtns., Fish Canyon at Fish Canyon Falls, 4.5 miles north of Fish Canyon Rd. at trail head 427 Comment
  RSA0055770  Pterostegia drymarioides R. G. Swinney 2010-4-28 12387 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
  UCR219478  Pterostegia drymarioides R. G. Swinney 2009-3-19 10146 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  SEINET12190595  Punica granatum J. F. Bright, Wyman, C. 1931-1 5273 Los Angeles Los Angeles Comment
  SD230247  Pycnanthemum californicum Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: south Fork Alder Gulch 1676 Comment
  SD4360  Pycnanthemum californicum Ruth B. Randall 7/1931 174 Los Angeles Angeles National Forest, Big Rock Creek Comment
  JEPS40261  Quercus X macdonaldii Mrs. Blanche Trask 1834-4-23 Los Angeles Catalina Island Comment
  UC847948  Quercus X macdonaldii F. R. Fosberg 1932-5-7 8153 Los Angeles Upper Grand Canyon Santa Catalina Island 200 Comment
  UCD21512  Quercus X macdonaldii Janet Takahara 1992-5-16 s.n. Los Angeles Santa Catalina Island, near Avalon. Black Jack Campground, next to tool shed. Comment
  UCD46916  Quercus X macdonaldii Herman Schroeder 1947-10-26 s.n. Los Angeles Only one such tree, in canyon behind Avalon, Catalina Island, Los Angeles County, California. Comment
  UC66745  Quercus agrifolia N. K. Berg 1904-3-24 Los Angeles Cahuenga Pass Los Angeles Comment
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Oct 31 2011
  RSA0114809  Quercus agrifolia var. agrifolia R. G. Swinney 2011-10-25 15883 Los Angeles San Gabriel Mountains; south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  RSA656188  Quercus agrifolia var. agrifolia Joseph M. Keefe 1978-5-11 22904 B Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  RSA660310  Quercus agrifolia var. agrifolia Jeff Weiler 1981-4-16 4 Los Angeles Cal Poly Pomona, NW slope of canyon behind Lot J. Comment
  UCR92097  Quercus berberidifolia Scott D. White 1995-2-7 2512 Los Angeles San Gabriel Mtns., Picnic area, Lopez Cyn. Rd. +-2 mi north of Foothill Boulevard 488 Comment
  RSA381391  Quercus chrysolepis Robert F. Thorne, D. Propst 1970-11-12 41565 Los Angeles Santa Catalina Island, Mount Orizaba along n-facing slopes of ridge from S end of mountain; S side S fork of Fern Canyon. 488 Comment
  RSA476899  Quercus chrysolepis Bonnie C. Templeton 1932-6-17 4894 Los Angeles Big Pines Park, San Gabriel Mtns. Comment
  RSA87176  Quercus chrysolepis F. W. Peirson 1920-5-28 16 Los Angeles San Antonio Canyon, San Gabriel Mts 1433 Comment
  UCR178060  Quercus chrysolepis LeRoy Gross 2003-3-1 751 Los Angeles Transverse Ranges: Verdugo mountains Region, South side; Along Stough Canyon Motorway (dirt road). Pass the nature center. 509 Comment
  UCR190128  Quercus chrysolepis R. G. Swinney 1998-8-27 6794 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  SEINET12034290  Quercus chrysolepis Unknown 1927-1 9- 9 -48 Los Angeles road from Mt Lowe Tavern, Mt Lowe, to observatory on Mt. Wilson,near Los Angeles Comment
  CAS-BOT-BC86363  Quercus dumosa Dr. H. E. Hasse Spring & Dec. 1891 A Los Angeles Foothills Sierra Santa Monica Comment
  UCR58160  Quercus dumosa Bill Wagner 1989-8-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Northern Santa Monica Mtns, c. 0.5 mi. south of Hwy 101 on E and W sides of Kanan Road, NE of Ladyface Comment
  RSA702173  Quercus durata var. gabrielensis Michael Honer 2004-6-22 2021 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  RSA747741  Quercus durata var. gabrielensis Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12689 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
  RSA592805  Quercus kelloggii Steve Boyd, Orlando Mistretta 1996-5-1 8761 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  UCSB33073  Quercus lobata Nixon, Kevin; Nixon, John 1977-11-25 Los Angeles Ridge route rd, 1/4 mi. south of Hwy 138, north side of Liebre mtns. 762 Comment
  CDA21991  Quercus pacifica J. M. Tucker 1992-4-1 s.n. Los Angeles Channel Islands; Santa Catalina Island; Above Cherry Valley Creek, roughly 1.5 miles northwest of the isthmus, 1/4 mile above road; elev. 300 ft Comment
  SBBG95705  Quercus tomentella M. B. Dunkle 1928-11-2 2028 Los Angeles Gallagher Cyn Comment
  UC92068  Rafinesquia californica T. S. Brandegee 1890-5-21 Los Angeles Santa Catalina Island Comment
  UCR190449  Rafinesquia californica R. G. Swinney 2000-6-19 7865 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA84264  Ranunculus aquatilis var. capillaceus F. W. Peirson 1923-6-9 4304 Los Angeles Bouquet Canyon, northwest part of San Gabriel Mts. 762 Comment
  RSA582954  Ranunculus hebecarpus Tim S. Ross, S. D. Boyd 1993-5-23 7267 Los Angeles Steep, northerly draw draining from saddle between Red Mtn's long E Ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 430-500 m SSW of Plum Spring. 875 Comment
  SBBG116978  Ranunculus hebecarpus S. A. Junak with K. Kirkland 2001-4-13 SCa 1425 Los Angeles just S of rd above Empire Landing 140 Comment
  SD69689  Raphanus raphanistrum Robert F. Thorne, P. Everett 1965-6-22 34924 Los Angeles Santa Catalina Island; south of Avalon golf course in open flat sandy bottom of Avalon Canyon. 89 Comment
  SFV21137  Raphanus sativus J. M. Keefe 2001-1-24 31031 Los Angeles San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street. 250 Comment
  UCSB2419  Raphanus sativus McElwain, Isabelle 1953-3-29 Los Angeles 500 yds. north of 18000 Bull Canyon Rd. 457 Comment
  RSA764061  Rhamnus californica R. G. Swinney 2008-8-13 9400 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  UCR223668  Rhamnus californica R. G. Swinney 2009-6-12 11123 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
  RSA652633  Rhamnus californica subsp. californica R. Carlston 1961-5-11 s.n. Los Angeles Big Dalton Canyon, N. of Glendora. Comment
  LA207790  Rhamnus crocea Paul Gripp; May 1954 sn Los Angeles Mt. Gleason Rd., Tujunga Comment
  RSA14668  Rhamnus crocea Fay A. MacFadden 1930-04 1202 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA0056327  Rhamnus crocea Elwood Fordham s.n. Los Angeles Topanga, Summit Road 1/4 mile from Topanga Highway. 304 Comment
  CAS-BOT-BC55993  Rhamnus ilicifolia V. B. 1907-9-2 1270 Los Angeles Cajon Pass 609 Comment
  UCR272352  Rhamnus ilicifolia R. G. Swinney 2011-3-15 14095 Los Angeles San Gabriel Mountains, Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park 232 Comment
  POM244778  Rhamnus pirifolia F. R. Fosberg 1931-3-18 S 4238 Los Angeles Hamilton Canyon. 10 Comment
  RSA596314  Rhamnus tomentella subsp. cuspidata Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-11 3367 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  UCR154019  Rhus aromatica A. C. Sanders 2005-5-11 30156 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  CAS-BOT-BC170448  Rhus integrifolia John Thomas Howell 1928-3-2 3367 Los Angeles Griffith Park Comment
  RSA592407  Rhus integrifolia Mark Hoefs 1973-3-13 78 Los Angeles Santa Catalina Island; Avalon Canyon on rocky hillside below Memorial Garden. 168 Comment
  UC17929  Rhus integrifolia Mrs. L. Trask June 1896 Los Angeles Santa Catalina Island Comment
  UCR38916  Rhus laurina B. A. Prigge 1985-6-14 6418 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail below Murphy Ranch Site 598 Comment
  RSA783434  Ribes J. D. Olmsted 1960-1-8 1091 Los Angeles Sycamore Canyon, just past No Trespassing sign, beginning of Wildwood T. T., San Gabriel Mts. 457 Comment
  CAS-BOT-BC92283  Ribes amarum Ellsworth Bethel 1920-2-11 s.n. Los Angeles Fish Canyon. San Gabriel Mountains. Back of Duarte. Comment
  UCR258962  Ribes aureum R. G. Swinney 2010-2-27 11746 Los Angeles San Gabriel Mountains/Verdugo Mountains, 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
  RSA639739  Ribes aureum var. gracillimum Louis C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Marek Canyon across the road from Karl Holton Camp. 427 Comment
  SEINET4050234  Ribes aureum var. gracillimum R. Gustafson 1977-1 sn Los Angeles Tapia Park, Malibu Canyon, Santa Monica Mts. Comment
  POM156178  Ribes californicum var. hesperium L. R. Abrams 1902-3-11 3119 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA191121  Ribes californicum var. hesperium Robert F. Thorne 1967-6-25 37124 Los Angeles San Gabriel Mountains: Lower end of Evey Canyon. 701 Comment
  UC212413  Ribes cereum I. Johnston 1917-7-4 1419 Los Angeles summit Baldy 3048 Comment
  RSA175370  Ribes cereum var. cereum Nathan C. Sweet, West, E. Crow 1930-7-12 s.n. Los Angeles Near North Baldy Peak, San Gabriel Mountains. Comment
  CAS-BOT-BC108882  Ribes divaricatum var. parishii A. J. McClatchie 1893-4-1 s.n. Los Angeles Near Pasadena. Comment
  UCR24340  Ribes divaricatum var. parishii John C. Roos, L. Roos 1950-7-15 4850 Los Angeles San Gabriel Valley, Whittier Narrows, San Gabriel River bed near Whittier 61 Comment
  UCR70821  Ribes divaricatum var. parishii L. C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River 73 Comment
  UC2062985  Ribes indecorum Mark Elvin with Michael Wall 1997-3-5 364 Los Angeles San Gabriel Mountains, off Mount Baldy Road 0.3 miles S from intersection with [Padua Avenue], 200 m off road. Comment
  UC921815  Ribes indecorum Prof. Baker Los Angeles Claremont Comment
  UCR11992  Ribes malvaceum H. J. Thompson 1959-2-20 1848 Los Angeles Western Transverse Range; Santa Monica Mtns., 2 mi east of Peak along Saddle Peak Road, Saddle Peak 701 Comment
  LA210742  Ribes malvaceum Arthur C. Gibson; 2004-1-17 5221 Los Angeles Runyon Canyon, Hollywood Hills. Comment
  RSA0025044  Ribes malvaceum var. viridifolium H. L. Bauer 1931-4-1 13963 Los Angeles Topango [Topanga] Canyon, Santa Monica Mts. Comment
  RSA787632  Ribes nevadense Jane Tirrell, Graham Bothwell, Walter Fidler, Thomas Stoughton 2012-5-15 LS 0046 Los Angeles Little Jimmy Springs. 2270 Comment
  CAS-BOT-BC209696  Ribes quercetorum Le Roy Abrams; E. A. McGregor 1908-6-19 319 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  CHSC14022  Ribes speciosum L. M. Mayer; I. J. Mayer 1974-4-6 135 Los Angeles 1/2 mi e of Topsia Park on Malibu Canyon. Las Virgenes Rd. Comment
  SEINET3151844  Ribes speciosum G. B. Grant 1127 Los Angeles Pasadena Comment
  UCR197176  Ribes speciosum Valerie Soza, LeRoy Gross 2001-5-9 1207 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 297 Comment
  SEINET10482962  Ribes viburnifolium Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4809 Los Angeles Santa Catalina Island; At the Airport In The Sky (Catalina Airfield). Planted native garden at the airport terminal. Airport 10.2 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 488 Comment
  CHSC53241  Ricinus communis L. P. Janeway 1988-12-24 3160 Los Angeles Puente Hills, between Whittier and La Puente. In Arroyo San Miguel. Oil company land. 175 Comment
  UCD142322  Ricinus communis P. Kilburn 1958-3-5 646 Los Angeles San Fernando Valley, base of Oat Mtn., Brown Canyon, 300 yds N. of Desoto Ave. storage pond. 365 Comment
  PASA2072  Rorippa nasturtium-aquaticum Sally Ellis 1939-4-7 Los Angeles Puddingstone dam Comment
  RSA529147  Rosa californica Tim S. Ross 1991-4-8 4477 Los Angeles Elephant Hill: western Pomona. 229 Comment
  RSA757071  Rosa californica R. G. Swinney 2008-10-7 9488 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA451663  Rosa woodsii subsp. gratissima Unspecified s.n. Los Angeles On the trail to Flumes 4 and 5, San Dimas Experimental Forest, U.S. Forest Department. Comment
  CAS-BOT-BC158816  Rubus ursinus P. A. Munz; L. Street; G. Williams 1919-4-5 2471 Los Angeles Puddingstone Canyon Comment
  LA52074  Rubus ursinus A. M. Johnson; 1928-2-16 43 b Los Angeles 121 Comment
  RSA572088  Rubus ursinus Reid V. Moran 1941-3-7 685 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  CAS-BOT-BC421760  Rumex conglomeratus Alice Eastwood 1906-5-27 87 Los Angeles Country adjacent to Los Angeles. Bimini Baths Comment
  LA33889  Rumex conglomeratus Henry J. Thompson; 1959-5-24 1994 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  UC72655  Rumex conglomeratus Miss E. D. Palmer 1904-11-28 Los Angeles Pico Heights Los Angeles Comment
  UCR223723  Rumex crispus R. G. Swinney 2009-6-8 11107 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  CAS-BOT-BC433919  Rumex salicifolius Ernest C. Twisselmann 1962-4-18 6977 Los Angeles Tehachapi Mountains. Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  PASA1148  Salazaria mexicana Sally Ellis 1939-5-5 Los Angeles Mohave Desert Comment
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Nov 20 2014
  RSA607226  Salazaria mexicana Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  HSC65731  Salicornia depressa R. F. Thorne 1974-9-13 45091 Los Angeles Santa Catalina Island, just above high tide line along E side of inner Catalina Harbor. 2 Comment
  RSA478890  Salicornia virginica Dolores Bullock 1931-7-13 s.n. Los Angeles S. Broadway, Los Angeles. Comment
  CAS-BOT-BC103150  Salix bonplandiana Louis C. Wheeler 1932-3-10 460 Los Angeles Big Dalton Canyon, San Gabriel Mts. 426 Comment
  IRVC27333  Salix exigua A. C. Sanders, Mark Elvin 2003-8-7 27164 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  UCR125257  Salix exigua A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25495 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  LA208675  Salix laevigata Carl W. Sharsmith; 1931-10-26 2 Los Angeles Santa Clara River Valley, 1.5 km N of Castaic 315.0 Comment
  RSA733155  Salix laevigata R. G. Swinney 1997-6-19 5623 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  SBBG27243  Salix laevigata Mrs. H. P. Bracelin, F. R. Fosberg 1931-10-11 568 Los Angeles lower Topanga Cyn, 2.5 km W of Ocean Beach Comment
  UCR95590  Salix laevigata L. C. Wheeler 1966-10-12 8980 Los Angeles San Gabriel Mtns., San Gabriel Canyon, E fork, 0.25 mi upstream from Heaton Flat 610 Comment
  CAS-BOT-BC128137  Salix lasiandra var. lasiandra A. J. McClatchie s.n. Los Angeles Pasadena Comment
  POM177966  Salix lasiolepis Joseph A. Ewan 1931-2-2 4018 Los Angeles Rio Hondo River near Downey. Comment
  RSA0034681  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Bottom of Topanga Canyon, Santa Monica Mts. 225 Comment
  RSA92621  Salix lasiolepis Mabel Peirson 1925-3-1 5434 Los Angeles Arroyo Seco below California Street bridge, Pasadena Comment
  CDA3166  Salsola australis R. E. Riefner Jr. 2007-3-1 07 -125 Los Angeles Palos Verdes Peninsula . Vicinity of Rolling Hills Road at Palos Verdes Drive. Comment
  UCR276994  Salsola tragus R. G. Swinney 2010-9-30 13916 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  CDA3219  Salsola tragus R. E. Riefner Jr. 2007-2-11 Jul- 50 Los Angeles City of Santa Fe Springs, near Alondra Street and Carmentia Street; south of Firestone Blvd. Comment
  UCSB1714  Salsola tragus Wedberg, H. 1958-7-24 Los Angeles Vincent-Littlerock Road, about 1 mile east of Hwy. 6 Comment
  RSA0115686  Saltugilia australis A. C. Sanders 2008-4-23 35078 Los Angeles Transverse Range; western San Gabriel Mtns: upper Cow Spring Canyon. 1090 Comment
  RSA733176  Saltugilia australis R. G. Swinney 1998-8-5 6665 Los Angeles San Gabriel Mtns.: East Fork San Gabriel River, c. 0.4 mi. south of Alder Gulch. 1098 Comment
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Aug 9 2009
  RSA756134  Saltugilia australis Orlando Mistretta, Christine Mistretta 2008-4-23 2524 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Structure 60 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1175 Comment
  UCR272597  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-7 15449 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  RSA215131  Salvia apiana Louis C. Wheeler 1932-5-21 731 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  SBBG71161  Salvia apiana M. N. Ackley -Jul-1927 456 Los Angeles Eagle Rock 243 Comment
  UCSB69527  Salvia apiana Gross, LeRoy 2001-5-31 Los Angeles Los Angeles Basin; Verdugo Mountains Region, Southeast side; Dead Horse Canyon; Collected on ridge north of this canyon 457 Comment
  RSA401629A  Salvia apiana William Emboden 1969-5-28 30 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442847  Salvia apiana William Emboden 1969-5-28 37 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  CHSC26066  Salvia carduacea M. Malody 1966-4-17 34 Los Angeles Mallard Canyon in the San Gabriel Mountains. 365 Comment
  PASA476  Salvia columbariae Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA401456B  Salvia columbariae Howard Mullins 1931-5-10 s.n. Los Angeles Malibu Lake. Comment
  RSA595675  Salvia columbariae Tim S. Ross, Victor W. Steinmann 1995-5-8 8553 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA727069  Salvia dorrii Jay Walker, R. C. Walker 3193 Los Angeles South of Little Rock, at jct of Fort Tejin road and 87th St. East. Comment
  RSA747147  Salvia dorrii R. G. Swinney 2008-5-8 8812 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCLA55962  Salvia grahamii Joseph Andorfer Ewan 1932-5-10 7451 Los Angeles Verdugo Canyon storm channel Verdugo Canyon Comment
  POM305733  Salvia leucophylla Henry J. Ramsey, Henry J. Ramsey 1937-6-27 921 Los Angeles Old Ridge Route, Liebre Mts., Angeles National Forest Comment
  SDSU12008  Salvia leucophylla David Shaari, Jennifer Swenson 1995-4-12 12 Los Angeles Located on the west side of the Cheesebro canyon, 1.2 miles north of fork with Chesebro Raod. 341 Comment
  CATA58  Salvia mellifera USC Wrigley Interns: Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 36 Los Angeles Santa Catalina Island: Deer Valley Trail 92 Comment
  SBBG31381  Salvia mellifera R. F. Thorne with P. C. Everett 1965-5-10 34444 Los Angeles Black Jack Mtn, few hundred feet below summit 487 Comment
  UC519725  Salvia mellifera Joseph Andorfer Ewan 1932-5-10 7452 Los Angeles Verdugo Canyon Storm Channel Comment
  UCD125553  Salvia mellifera G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  UCR259275  Salvia mellifera R. G. Swinney 2010-5-4 12514 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  POM180163  Sambucus mexicana Joseph A. Ewan 1931-10-29 5275 Los Angeles 1/2 mi. below Seminole Hot Springs. 396 Comment
  UCR127198  Sambucus mexicana A. C. Sanders 2003-5-1 26256 Los Angeles Western San Gabriel Mtns., SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property 396 Comment
  UCR19628  Sambucus mexicana Art Whistler 1966-6-23 s.n. Los Angeles San Gabriel Mtns., along California Hwy 2, past Mt. Wilson Road 1463 Comment
  UCR210740  Sambucus mexicana R. G. Swinney 2009-1-19 9994 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  SBBG13262  Sambucus nigra subsp. caerulea M. A. Piehl 1962-6-10 62393 Los Angeles E of Thirst 304 Comment
  SFV18441  Sambucus nigra subsp. caerulea C. Ferguson 1974-4-10 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Beside entrance to park. Comment
  UCD137673  Sambucus nigra subsp. caerulea Gordon Pilone 1961-5-7 100 Los Angeles South of Santa Ana Botanic Gardens in Claremont. San Gabriel Mt. Range. 390 Comment
  RSA3745  Sanicula arguta C. B. Wolf 1932-5-11 3571 Los Angeles Santa Catalina Island. Point west side of Fourth O July Cove. 30 Comment
  RSA97355  Sanicula arguta F. W. Peirson 1923-5-24 3489 Los Angeles Woods along west bank of Arroyo Seco, Pasadena. 335 Comment
  RSA97379  Sanicula bipinnata F. W. Peirson 2795 Los Angeles Santa Monica, Los Angeles. Comment
  RSA719055  Sanicula crassicaulis R. G. Swinney 1998-4-13 5952 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  UCR190116  Sarcodes sanguinea R. G. Swinney 1998-8-27 6808 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UCR223448  Sarcodes sanguinea R. G. Swinney 2009-6-3 11040 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
  RSA471118  Sarcodes sanguinea B. C. Templeton 1932-5-31 4865 Los Angeles Jackson Lake, Big Pines Park 1768 Comment
  RSA652848  Schinus molle Ron Martinolich 1991-4-7 36 Los Angeles Los Angeles, Griffith Park, Bee Rock Trail, from trailhead of upper, western end, east about 50 feet. Comment
  RSA673617  Schinus molle LeRoy Gross 2003-1-18 682 Los Angeles West side of saddle were Stough Canyon Mountainway and Verdugo Mountainway meet. 610 Comment
  UCR255473  Schinus molle Dan S. Cooper 2014-6-26 614- 29 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, north end of Fern Dell picnic area near Western Canyon Rd. 205 Comment
  CATA719  Schismus arabicus Mark L. Hoefs 1991-5-18 1226 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  SBBG132309  Schismus arabicus S. A. Junak, B. Collins 1991-4-26 SCI- 241 Los Angeles E side of island along main rd, S of airfield 115 Comment
  LA98896  Schismus barbatus E. R. Hobbs; 1979-5-6 79 -67 Los Angeles Placerita Canyon State and County Park Comment
  RSA0060477  Schismus barbatus R. G. Swinney 2010-3-10 11822 Los Angeles 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. 442 Comment
  UCSB70300  Schoenoplectus acutus Ferren, Wayne; Hamilton, Jason 1993-9-1 Los Angeles Santa Monica Mtns. Tapia County Park. Comment
  RSA366046  Schoenoplectus americanus H. L. Bauer 1928-10-15 s.n. Los Angeles Long Beach. Comment
  SEINET7591443 Image available Schoenoplectus americanus Louis C. Wheeler 1945-1 6068 Los Angeles SE of El Monte: San Gabriel River at Slaughter Avenue and Parkway Drive Comment
  RSA564241  Schoenoplectus californicus Scott D. White 1992-10-8 876 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  RSA92162  Schoenoplectus californicus F. W. Peirson 1906-7-19 1614 Los Angeles Inglewood. Comment
  RSA579312  Scirpus microcarpus Timothy S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8083 Los Angeles Sheep camp spring. 334 deg and 520 m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon. 1921 Comment
  UCR128158  Scrophularia californica Mark A. Elvin, Cathleen Weigand 2003-5-22 2900 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  UCR220202  Scrophularia californica R. G. Swinney 2009-4-3 10275 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  POM4115  Scutellaria siphocampyloides W. R. Dudley, F. H. Lamb 1896-6-12 4387 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA82355  Scutellaria tuberosa F. W. Peirson 1919-3-11 178 Los Angeles Small Canyon east of Rubio Canyon south base of San Gabriel Mtns. at 1800 ft. 549 Comment
  SFV5279  Scutellaria tuberosa W. A. Kelley 1969-3-30 s. n. Los Angeles Santa Susana Mountains Santa Susana Pass, Chatsworth. Comment
  LA103475  Secale cereale Barry A. Prigge; 1986-3-20 6975 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  JEPS19062  Selaginella bigelovii I. W. Clokey and E. G. Anderson 1935-5-9 6532 Los Angeles San Dimas Canyon Comment
  RSA617208  Selaginella bigelovii Louis Cutter Wheeler 1967-5-18 9635 Los Angeles San Gabriel Mountains: Placerita Canyon. T4N R15W sec. 4. 518 Comment
  POM952  Selaginella bigelovii Philip A. Munz 1918-3-28 2010 Los Angeles Claremont, wash of Palmer's Canyon. 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
  SEINET2054634 Image available Senecio californicus Norman C. Cooper 1948-4-21 2705 Los Angeles Saugus. 762 Comment
  RSA783539  Senecio douglasii J. D. Olmsted 1959-5-13 623 Los Angeles Camp Baldy Road near mouth of San Antonio Canyon, San Gabriel Mountains, Drainage Area to San Antonio Creek. 701 Comment
  SBBG98529  Senecio lyonii T. Ross 1991-5-21 5421 Los Angeles upper reaches of Box Cyn 365 Comment
  UCR86529  Senecio lyonii T. S. Ross, E. Kellogg 1992-4-13 6145 Los Angeles Channel Islands, NW part of San Clemente Island, terrace in vicinity of Darter 18 Comment
  RSA608380  Senecio vulgaris L. C. Wheeler 1933-5-30 1751 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  RSA785309  Senecio vulgaris Doris Bowers 1957-3-6 533 Los Angeles LaVerne College lawn (University of LaVerne) 457 Comment
  CAS-BOT-BC438166  Sesuvium verrucosum I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  UCR182248  Setaria parviflora R. G. Swinney 1997-12-31 5891 Los Angeles South Coast, Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway, about 300 m east of Irwindale Avenue 152 Comment
  CAS-BOT-BC384475  Silene antirrhina Alice Eastwood 1906-5-27 1 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  SBBG11610  Silene antirrhina P. H. Raven 1962-5-8 17637 Los Angeles W side of island, 2.4 mi S of Wilson Cove 137 Comment
  UCR270911  Silene antirrhina R. G. Swinney 2011-5-26 14858 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  SBBG134045  Silene antirrhina R. Burgess, P. Munro 2005-5-18 6861 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 426 Comment
  CATA379  Silene gallica Mark L. Hoefs 1974-4-30 437 Los Angeles Santa Catalina Island: Hermit's Gulch, by trail 91 Comment
  UCR106298  Silene gallica B. G. Pitzer 1996-5-5 2846 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR205130  Silene gallica R. G. Swinney 2008-4-17 8692 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  POM278  Silene gallica L. R. Abrams 1901-4-3 4642 Los Angeles Santa Monica Mountains. Comment
  UCD98686  Silene gallica Lydia Schallort 1940-4-25 4375 Los Angeles Monrovia. Comment
  CAS-BOT-BC174907  Silene laciniata I. Johnston 1917-5-3 1147 Los Angeles Hill south of Ontario 304 Comment
  RSA755337  Silene parishii R. G. Swinney 2008-7-25 9315 Los Angeles base of east slope of Mt. Waterman along Mt. Waterman Trail 0.4 mi. SW of Hwy 2 2110 Comment
  UCR280562  Sisymbrium altissimum R. G. Swinney 2014-4-10 16012 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA0113398  Sisymbrium irio LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7528 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  RSA651358  Sisymbrium irio Jim Kishi 1948-2-11 s.n. Los Angeles Located W. of Dalton Canyon at foot of mountain. Comment
  JEPS53883  Sisymbrium officinale Frank W. Peirson 1920-4-25 2109 Los Angeles Arroyo Seco; San Gabriel Mountains, Arroyo Seco 411 Comment
  RSA621257  Sisymbrium orientale L. C. Wheeler 1968-4-26 s.n. Los Angeles Saddle immediately east of Magic Mountain Comment
  RSA639098  Sisymbrium orientale L. C. Wheeler 1967-5-15 9561 Los Angeles East of Fremont Pass 579 Comment
  RSA782217  Sisymbrium orientale R. G. Swinney 2009-8-25 11500 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  LA200326  Sisymbrium orientale Jonathan Sauer; R. Sauer 1973-4-28 5444 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  RSA716476  Solanum americanum Scott D. White, Andrea Warniment 2006-7-6 11602 Los Angeles SE Tehachapi Mtns: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. 1113 Comment
  JEPS12079  Solanum douglasii Frank W. Peirson 1918-10-15 282 Los Angeles Rubio Canyon; San Gabriel Mountains, Rubio Canyon 701 Comment
  UCR280688  Solanum douglasii R. G. Swinney 2014-5-27 16676 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  CATA3507  Solanum elaeagnifolium Julia Parish 2017-11-30 040 Los Angeles Santa Catalina Island: Avalon; Avalon Canyon Road, on golf course across from school before school crossing stop sign 22 Comment
  CDA5974  Solanum mauritianum T. C. Fuller 1976-3-9 20120 Los Angeles 2235 Nichols Canyon Road at Dresden Drive, Santa Monica Mountains, Los Angeles. 0 Comment
  CHSC100180  Solanum nigrum John Dittes 2006-6-4 1392 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air miles northwest of Chatsworth High School, ca. 0.9 air mile west of Topanga Blvd., ca. 0.8 air mile east x northeast of Santa Susana Pass. 381 Comment
  RSA427432  Solanum umbelliferum Richard C. Barkelew 1929-2-23 s.n. Los Angeles Cahuenga Pass. Comment
  RSA587604  Solanum umbelliferum Orlando Mistretta 1994-4-29 1145 Los Angeles Santiago Canyon. Near confluence with Little Rock Creek. 1067 Comment
  RSA600058  Solanum umbelliferum Steve D. Boyd, Lauren Raz 1997-5-20 9813 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  RSA428779  Solanum umbelliferum E. A. McGregor 1965-5-5 s.n. Los Angeles Pearblossom, Antelope Valley. Comment
  SD69459  Solanum wallacei subsp. clokeyi Robert F. Thorne 1966-4-5 35798 Los Angeles Santa Catalina Island: N slope Black Jack Mt., 0.8 mile down road to White's Landing 410 Comment
Read comments
Jan 31 2012
  NY820487  Solanum xanti T. S. Ross 1990-6-18 3499 Los Angeles San Gabriel Mountains. Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages 1743 Comment
  CSUSB785  Solanum xanti var. intermedium S. Catsiff 1965-4-17 Los Angeles 0.5 mile west of Topanga on Old Topanga Road, by stream. Comment
  UCR141036  Solidago californica June Latting, Ted Hanes, et al 1977-10-15 s.n. Los Angeles San Gabriel Mountains, fuelbreak below Chilao Flat, Angeles Crest 1659 Comment
  RSA93081  Solidago confinis F. W. Peirson 1920-9-12 s.n. Los Angeles Bear Flat to Mt. Baldy trail, San Gabriel Mountains, eastern Los Angeles Co. 1707 Comment
  SEINET11801799  Solidago confinis J. F. Bright, Wyman, C. 1932-1 7973 Los Angeles Hollywood Comment
  UCR210313  Solidago occidentalis R. G. Swinney 2008-10-16 9586 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  LA209948  Solidago spectabilis Arthur C. Gibson; Tarja Sagar 2005-9-25 5101 Los Angeles Comment
  CATA1912  Solidago velutina subsp. californica Tony Summers 2011-9-30 1 Los Angeles Santa Catalina Island: Bulrush Canyon 263 Comment
  SFV6723  Solidago velutina subsp. californica R. Johnson Oct 1974 s. n. Los Angeles San Gabriel Mountains Wilson Canyon. 610 Comment
  RSA596813  Sonchus asper Timothy S. Ross, J. Mark Porter 1995-5-4 8471 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA599517  Sonchus asper Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9470 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA609981  Sonchus asper L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mountains: Little Fish Fork, Fish Fork Camp. 2012 Comment
  UC1348970  Sonchus oleraceus Robert F. Thorne 1966-4-7 35960 Los Angeles Santa Catalina Island 60 Comment
  SFV16833  Sonchus oleraceus K. Tajbakhsh 1996-4-13 25 Los Angeles California Channel Islands Catalina Island. Fisherman's Bay. Outside of USC Marine Research Station gates. Comment
  RSA187658  Sorghum bicolor R. F. Thorne 1966-9-15 36696 Los Angeles Santa Catalina Island, Volunteering along roadside near Bird Park, Avalon 15 Comment
  LA206418  Sorghum halepense Monte Lloyd; 1950-7-30 400730 p930 Los Angeles Florence Ave. and Cedar St., Huntington Park 106 Comment
  RSA483170  Spartina foliosa Anstruther Davidson 1892-08 s.n. Los Angeles Long Beach Comment
  RSA656665  Spartium junceum G. Pitto 1980-6-2 38 Los Angeles Verdugo Mountains Region: Road side end of [Markridge] Rd. and Cooks Canyon, La Crescenta. 579 Comment
  UCR259055  Spartium junceum R. G. Swinney 2010-6-21 13302 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  RSA576940  Spergula arvensis L. C. Wheeler 1932-3-12 487 Los Angeles La Verne. 305 Comment
  RSA0097065  Spergularia Anstruther Davidson 1923-05 s.n. Los Angeles Los Angeles. Comment
  RSA0097063  Spergularia gracilis Anstruther Davidson 1895-4-15 s.n. Los Angeles Fulton Wells. Comment
  CAS-BOT-BC390801  Spergularia marina Le Roy Abrams 1901-4-10 1458 Los Angeles Hyde Park (near) Comment
  UCR281834  Spergularia villosa Mitch Provance, Scott Duff 2017-6-29 617- 77 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  UC18960  Sphaeralcea ambigua var. ambigua J. Burtt Davy May 9-24 1896 2585 Los Angeles near West Palmdale; Antelope Valley Comment
  UC53721  Sporobolus airoides Jos. Burtt Davy 1896-5-19 2581 Los Angeles near Ell's West Palmdale Comment
  UCR142821  Sporobolus cryptandrus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mtns, Mountain Brook Ranch 1159 Comment
  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
  UCD125798  Stachys albens Shirley W. Campbell 1970-4-24 104 Los Angeles east bank of lower reach of the Arroyo Seco, southwestern Pasadena. Comment
  LA50763  Stachys bullata Peter H. Raven; Henry J. Thompson 1959-10-4 14562 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 Comment
  LA52376  Stachys bullata Martha Hilend; April 1929 sn Los Angeles 121 Comment
  RSA446638  Stachys bullata T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  SEINET11587856  Stachys bullata Unknown 2011-4-5 14343 Los Angeles San Gabriel Mountains Comment
  LA82038  Stachys rigida var. rigida O. H. Kappler; 1943-4-28 374 Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  IRVC26174  Stanleya pinnata var. pinnata Mark A. Elvin 2003-4-9 2468 Los Angeles Newhall Ranch Commerce Center, canyon N of SR 126 from 'Grapevine Mesa' Santa Clarita Valley 335 Comment
  SBBG117135  Stebbinsoseris heterocarpa S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1536 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
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