Search Results — 2000 specimen records retrieved (1575 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  POM743  Abronia maritima L. R. Abrams 1901-4-1 1193 Los Angeles Ballona Harbor. Comment
  RSA460913  Abronia maritima F. R. Fosberg 1930-6-7 53066 Los Angeles Alamitos Bay. 7 Comment
  RSA460955  Abronia pogonantha Anstruther Davidson 1892-07 s.n. Los Angeles Acton Comment
Read comments
Jul 2 2009
  RSA0025873  Abronia umbellata Robert F. Thorne, P. Everett 1965-6-23 34934 Los Angeles Santa Catalina Island: Ben Weston Beach, W side of island. Comment
  RSA657476  Acacia cyclops Joseph M. Keefe 2001-1-19 30946 Los Angeles south by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles, 90041. 305 Comment
  SBBG126150  Acacia cyclops A. C. Sanders with T. B. Salvato 2009-5-19 36813 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd and W of Plaza Dr, S of large shopping mall called Montebello Town Center 110 Comment
  SBBG31270  Acacia pycnantha R. F. Thorne 1966-6-1 36462 Los Angeles Pebbly Beach Drive, SE of Avalon 45 Comment
  CAS-BOT-BC331553  Acer macrophyllum Geo. B. Grant 1904-5-1 s.n. (Ex. 17 .) Los Angeles Mt. Wilson Comment
  POM183629  Acer macrophyllum Joseph A. Ewan 1929-5-18 1254 Los Angeles Las Flores Canyon Comment
  RSA724649  Acer macrophyllum K. Dobry 1991-5-2 582 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  LA49820  Acer macrophyllum W. O. Griesel; 1936-6-18 s.n. Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon Comment
  RSA176284  Achillea millefolium R. F. Thorne, J. Henrickson 1963-5-5 32323 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA592416  Achillea millefolium Mark Hoefs, D. Propst 1973-3-14 91 Los Angeles Santa Catalina Island: Cape Canyon. 244 Comment
  UC557664  Achillea millefolium Nell Murbarger 1936-3-1 47 Los Angeles San Clemente Island Comment
  SEINET255878  Achnatherum occidentale subsp. pubescens Mary E. Barkworth, LR Firestone 1982-8-26 4086 Los Angeles Angeles National Forest ; Campground on Cal 2 in Angeles Nat. For. 2240 Comment
  RSA571282  Achnatherum speciosum Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8323 Los Angeles Side draw on northeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  SBBG57067  Achnatherum speciosum R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  RSA91667  Achnatherum speciosum Joseph A. Ewan 1932-5-29 7197 Los Angeles Lower Arrastre Canyon 854 Comment
  CAS-BOT-BC198615  Acmispon argophyllus var. adsurgens Steven A. Junak 1996-6-1 567 Los Angeles S end of island, along E rim of upper china canyno, at head of small side canyn, ca. 0.2 mile SW of top of China Point Road, San Clemente Island 393 Comment
  CAS-BOT-BC204774  Acmispon argophyllus var. argenteus Mrs. Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island Comment
  SD53040  Acmispon argophyllus var. argenteus Peter H. Raven 1962-5-22 17843 Los Angeles Santa Catalina Island, Middle Ranch 213 Comment
  LA48000  Acmispon dendroideus var. dendroideus Harlan Lewis; 1937-3-24 sn Los Angeles Santa Catalina Island 91 Comment
  SD52853  Acmispon dendroideus var. traskiae Peter H. Raven 1962-7-12 18044 Los Angeles San Clemente Island, Wilson Cove, dry rocky grassland near barracks area 75 Comment
  LA210145  Acmispon glaber var. glaber Harlan Lewis; 1940-4-3 1273 Los Angeles Santa Monica Mountains, 10 mi. W of Malibu Beach 22 Comment
  SD37797  Acmispon maritimus Edith A. Purer 1931-5-8 2050 B Los Angeles Griffith Park, bare chaparral slope Comment
  CATA1837  Acmispon micranthus Denise Kraus 2000-4-27 16 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On eastern side of large, obvious rocky outcrop which is on western fuel break road. At GHB Transect 15 381 Comment
  SBBG113149  Acmispon micranthus S. A. Junak 1997-3-28 SCa 398 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 Comment
  OBI70616  Acmispon wrangelianus Steve Boyd, Lauren Raz 1997-3-31 9438 Los Angeles Liebre Mts Region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre mtn, T7N R17W NE 1/4 NE 1/4 sec 22 1158 Comment
  SBBG117102  Acmispon wrangelianus S. A. Junak 2001-5-18 SCa 1566 Los Angeles S side of Fern Cyn (one of the middle S forks of Cottonwood Cyn), above first crk crossing in rd to Fern Cyn, ca. 0.5 mi upstream from jct with Cottonwood Cyn Rd, near UTM 11S 0365612E 3694395N 198 Comment
  CAS-BOT-BC29209  Acourtia microcephala Herman Knoche 1919-6-24 883 Los Angeles Avalon, Santa Catalina Island Comment
  LA35984  Acourtia microcephala Peter H. Raven; 1960-5-15 15376 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  RSA652780  Acourtia microcephala Monica Acosta 1998-5-19 39 Los Angeles The Voorhi Ecological Reserve at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  LA52119  Adenostoma fasciculatum A. M. Johnson; 1932-5-14 4062 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  OBI26244  Adenostoma fasciculatum Mark Schneider 1973-5-17 27 Los Angeles Seven Hills Ranch, Tujunga, San Bernardino Mts 549 Comment
  SD25787  Adenostoma fasciculatum A. J. Stover 1939-7-31 267 Los Angeles Eagle Rock Comment
  UCR124752  Adenostoma fasciculatum B. C. Templeton 1930-5-27 1453 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 600 Comment
  POM881  Adiantum capillus-veneris L. R. Abrams 1901-7-1 1878 Los Angeles West fork of San Gabriel River. Comment
  UCR261528  Adiantum capillus-veneris Joseph Cahill 2010-12-22 1210- 09 Los Angeles Western Transverse Range; Santa Monica Mountains, Solstice Canyon, c. 1 mile from Pacific Coast Highway, near base of Solstice Canyon falls 73 Comment
  POM182469  Adiantum capillus-veneris F. G. Floyd 1930-12-11 s.n. Los Angeles San Gabriel Mnts, Angeles National Forest, Big Santa Anita Canyon. On cliffs below the dam 305 Comment
  CAS-BOT-BC65640  Adiantum jordanii Alice Eastwood 1917-7-20 6465 Los Angeles Santa Catalina Island Comment
  UC811133  Adiantum jordanii I. W. Clokey and E. G. Anderson 1935-5-9 6505 Los Angeles San Dimas Canyon Comment
  POM50090  Adiantum jordanii L. W. Nuttall 1921-1-15 1126 Los Angeles Santa Catalina Island: Pebble [Pebbly] Beach Canyon. Comment
  UCR191733  Aesculus californica A. C. Sanders 2008-4-23 35082 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  RSA674319  Ageratina adenophora LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 721 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 576 Comment
  RSA720159  Ageratina adenophora LeRoy Gross 2007-4-21 2646 Los Angeles East end of the range; Small canyon or draw. End of Capistrano Ave. just pass the intersection with El Rito Ave. City of Glendale. 336 Comment
  UCR151022  Ageratina adenophora Scott D. White 1997-5-7 5065 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  RSA726054  Agropyron cristatum R. G. Swinney 1997-6-25 5638 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  CAS-BOT-BC384740  Agrostemma githago C. F. Baker 1912-2-1 s.n. Los Angeles Claremont Comment
  IRVC26647  Agrostis exarata L. C. Wheeler 1936-6-8 4130 Los Angeles Bell-W Fork of San Dimas Canyon divide. San Gabriel Mtns. 884 Comment
  RSA0087050  Agrostis stolonifera R. G. Swinney 2010-9-9 13789 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA682516  Ailanthus altissima Scott D. White, Michael Honer 2003-5-7 9189 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  RSA756575  Allium fimbriatum var. fimbriatum Orlando Mistretta, Christine Mistretta 2008-4-30 2561 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  UC440353  Allium lacunosum C. Epling, L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  SBBG129307  Allium lacunosum var. davisiae A. Parikh, N. Gale 2012-5-12 3593 Los Angeles Aliso Cyn, 1.3 km W of Angeles Forest Hwy, 0.1 km N of Aliso Cyn Rd; San Gabriel Mtns Comment
  JEPS61524  Allium monticola Frank W. Peirson 1923-5-25 3547 Los Angeles Rock Creek 1295 Comment
  POM220017  Allium praecox F. R. Fosberg 1932-5-5 8132 Los Angeles n. [north of?] Avalon, Santa Catalina Island 40 Comment
  RSA583037  Allium praecox Timothy S. Ross 1993-4-22 6872 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak. 419 Comment
  SBBG98468  Allium praecox T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5267 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 312 Comment
  RSA596086  Allophyllum divaricatum T. S. Ross, S. D. Boyd 1995-6-28 8642 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  SEINET4044461  Allophyllum glutinosum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  SD7933  Alnus oblongifolia J. C. Nevin Unknown Los Angeles Los Angeles Comment
  POM184703  Alnus rhombifolia Joseph A. Ewan 1932-5-29 7182 Los Angeles Along stream at head of arrastre Canyon North slope Mt. Gleason. Upper Sonoran 1524 Comment
  RSA763023  Amaranthus albus R. G. Swinney 2009-3-13 10110 -A Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel. 192 Comment
  UCR259592  Amaranthus albus R. G. Swinney 2010-9-7 13678 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA5215  Amaranthus hybridus C. B. Wolf 1932-9-13 4070 ` Los Angeles Bryant Ranch near middle of S boundary of SE 1/4 sect 27., [50 ft. N & 1/4 mi: (less 100 ft.) W of SE corner of SE 1/4 sect 27 T4S R12 W] 5 Comment
  UCR150958  Amaranthus palmeri Sandra L. Leatherman, Brian Daniels 1998-10-27 56 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon: adjacent to Bouquet Canyon Road, south of Vasquez Canyon Road and north of Esguerra Road 488 Comment
  RSA600440  Amaranthus retroflexus L. C. Wheeler 1932-9-2 1312 Los Angeles La Verne: 2 miles NE of. 373 Comment
  RSA188160  Amblyopappus pusillus R. F. Thorne 1966-4-7 35982 Los Angeles Santa Catalina Island. Above beach near Parson Landing W of Arrow Point 5 Comment
  SBBG98422  Amblyopappus pusillus T. Ross 1991-5-22 5446 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  RSA239441  Amblyopappus pusillus E. R. Blakley 1962-6-10 5232 Los Angeles Canyon mouth SE of Eel Point, half way toward Seal Cove, San Clemente Island 6 Comment
  RSA522939  Ambrosia acanthicarpa Timothy S. Ross, Orlando Mistretta 1990-10-24 3307 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  POM13559  Ambrosia acanthicarpa Philip A. Munz 1922-11-20 6564 Los Angeles Charter Oak, near Covina. Comment
  SBBG12925  Ambrosia chamissonis E. R. Blakley 1962-6-10 5250 Los Angeles large beach dunes near Wall 2 20 Comment
  LA31632  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  UCR223105  Ambrosia salsola R. G. Swinney 2009-4-29 10613 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  RSA573720  Amelanchier utahensis Tim S. Ross 1990-8-17 3172 Los Angeles S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2042 Comment
  RSA593500  Amorpha californica var. californica Steve Boyd, Michael Wall 1996-5-16 8767 Los Angeles Liebre Mountains, Charlie Canyon in vicinity of prominent sandstone outcrop visible from Lake Hughes Road east of Castaic Lake 549 Comment
  UCR208997  Amorpha californica var. californica Wesley O. Griesel 1962-5-24 s.n. Los Angeles Verdugo Mountains region, San Rafael Hills, Glendale 305 Comment
  RSA0118868  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32081 Los Angeles Transverse Range; Liebre Mtns. Region: 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 976 Comment
  RSA670443  Amsinckia intermedia I. W. Clokey, B. Templeton 1929-03 4467 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UC1922226  Amsinckia menziesii var. menziesii Valerie L. Soza, Laura Moore 2000-5-10 853 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. Near 34deg 14' 28.7'' N 118deg 17' 59.5'' W T2N R14W NE/4, SW/4 & NW/4, Comment
  UC78274 Image available Amsinckia punctata E. L. Greene 1885-3-1 Los Angeles Sepulveda Comment
  SBBG96685  Amsinckia spectabilis S. Boyd 1990-4-7 4274 Los Angeles lower half of China Cyn, W side at cyn mouth Comment
  UCR221906  Amsinckia tessellata R. G. Swinney 2009-4-28 10521 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA571539  Amsinckia tessellata var. tessellata Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8304 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  RSA0091449  Amsinckia tessellata var. tessellata Tim Ross 1991-4-28 4771 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 927 Comment
  RSA0030942  Anagallis arvensis Fran Dourisboure 1966-5-10 s.n. Los Angeles San Rafael Mountains. 213 Comment
  RSA465149  Anagallis arvensis Nellie Fowler 1884-5-10 s.n. Los Angeles Found near University of Southern California. Comment
  RSA0015841  Andropogon glomeratus var. scabriglumis LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6209 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  RSA611645  Androsace elongata subsp. acuta Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10125 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 1055 Comment
  CAS-BOT-BC400315  Anemopsis californica Volney Rattan 1887-6-1 s.n. Los Angeles San Anthonia Comment
  CAS-BOT-BC64024  Anisocoma acaulis Frank W. Peirson 1924-5-14 4608 Los Angeles Near Summit Cajon Pass Comment
  RSA0120032  Anthriscus caucalis R. G. Swinney 2014-5-15 16524 Los Angeles San Gabriel Mountains; Azusa Peak, 0.06 miles s. of Glendora Ridge Mtwy., 1.34 mi. due east of Hwy. 39, 0.15 miles e. of north Garcia Trailhead, in Colby Fire burn area of Jan. 2014. 625 Comment
  JEPS83425  Antirrhinum coulterianum David M. Thompson 1983-5-13 307 Los Angeles 1.5 mi w Mulholland Hwy. junction with Las Virgines Road (on Mulholland Hwy); Malibu Beach Quad. (7.5', 1951) 274 Comment
  LA200850  Antirrhinum coulterianum Norman A. Cole; May 1964 404 .8 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, at junction of Cornell Rd and Lake Vista Rd 213 Comment
  SBBG83173  Antirrhinum coulterianum R. Hoffmann 1929-5-19 Los Angeles 5 mi W of Castaic Comment
  RSA0116689  Antirrhinum kelloggii R. G. Swinney 2010-5-25 12926 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  POM354864  Antirrhinum multiflorum H. L. Bauer 1932-4-1 15396 Los Angeles Near Topanga. Santa Monica Mountains. Comment
  RSA590517  Antirrhinum multiflorum Tim S. Ross, W. Appleby 1993-5-19 7176 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 854 Comment
  CAS-BOT-BC226797  Aphanes occidentalis Tim Ross; Janet Takara; Stacey Otte 1993-4-25 6966 Los Angeles Santa Catalina Island: head of south fork Descanso Canyon 207 Comment
  SBBG108980  Aphanes occidentalis S. A. Junak 1997-3-13 SCl 774 Los Angeles head of E fork of first cyn E of Mosquito Cyn 304 Comment
  SBBG34567  Aphanes occidentalis S. A. Junak with M. L. Hoefs, L. Stratton 1998-3-21 SCa 499 Los Angeles Cape Cyn, just E of Cape Cyn Rd, ca. 3.1 rd mi from top of Black Jack Rd 304 Comment
  RSA726023  Apiastrum angustifolium A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26123 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, 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
  POM19133  Apiastrum angustifolium P. A. Munz 1923-4-9 6675 Los Angeles San Clemente Island. 6 mi SE of Casa Blanca. Comment
  RSA151013  Apiastrum angustifolium P. H. Raven 1962-5-9 17665 Los Angeles Canyon south of Mosquito Cove, San Clemente Island 320 Comment
  SBBG59625  Apium graveolens R. Hoffmann 1927-6-14 Los Angeles Gorman Comment
  UCR73383  Apocynum androsaemifolium T. S. Ross 1991-8-14 5776 Los Angeles San Gabriel Mtns, Roundtop Mountain 1768 Comment
  RSA0087234  Aquilegia formosa R. G. Swinney 2010-9-13 13823 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA0077512  Aquilegia formosa var. truncata G. Wallace 1965-6-16 s.n. Los Angeles Cattle Canyon above Azusa. Comment
  JEPS53034  Arabis glabra Frank W. Peirson 1919-4-9 390 Los Angeles Rubio Canyon San Gabriel Mountains 548 Comment
  UCR203194  Arabis pulchra R. G. Swinney 2005-5-21 8260 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
Read comments
Jul 7 2020
  SEINET5340787  Arabis sparsiflora G. B. Grant 1904-4-4 53 a-5633 Los Angeles Collected at Garvanza. Comment
  UC2026394  Arabis sparsiflora var. californica Louis C. Wheeler 1968-5-31 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, Campground Vicinity. Comment
  RSA470435  Aralia californica Louis Greata 1900-8-30 s.n. Los Angeles Eaton Canyon near Eagle Rock Comment
  UCR101745  Arbutus menziesii L. C. Wheeler 1969-12-6 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Little Santa Anita Canyon along Mt. Wilson Trail 838 Comment
  POM2150  Arceuthobium campylopodum I. M. Johnston 1917-8-22 1720 Los Angeles Prairie Fork of San Gabriel River. 1982 Comment
  RSA635133  Arctostaphylos Jon E. Keeley, Allen Massihi 1992-8-20 20217 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  LA34180  Arctostaphylos glandulosa Peter H. Raven; Henry J. Thompson 1959-2-25 13807 Los Angeles Santa Monica Mountains, 1.2 mi E of Saddle Peak 670 Comment
  SFV2637  Arctostaphylos glandulosa K. A. Wilson 1963-5-12 1300 Los Angeles Santa Susana Mountains Orcutt Ranch in the vicinity of Mission Peak. Comment
  RSA70900  Arctostaphylos glandulosa subsp. cushingiana F. W. Peirson 1918-5-26 141 Los Angeles summit of Mt. Wilson 1738 Comment
  RSA721290  Arctostaphylos glandulosa subsp. cushingiana R. G. Swinney 1998-3-14 5904 Los Angeles Potato Mtn. NW of Upland 1043 Comment
  RSA626784  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20214 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA719062  Arctostaphylos glandulosa subsp. mollis R. G. Swinney 1998-4-11 5945 Los Angeles Claremont, hills c. 0.75 mi. NE of Padua Hills Restaurant, 0.4 SW of Potato Mtn. 823 Comment
  RSA247381  Arctostaphylos glandulosa var. cushingiana Gary D. Wallace, Gary D. Cromwell 1966-2-19 22 Los Angeles NE of Azusa, 2 mi. up Glendora Mtn. Rd. from Foothill Blvd. along a fire road. Comment
  POM367306  Arctostaphylos glauca Fay A. MacFadden 1931-4-25 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA608520  Arctostaphylos glauca L. C. Wheeler 1931-1-5 s.n. Los Angeles La Verne. Comment
  RSA631574  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15939 Los Angeles Hughes Lake Road, 7 km north of Highway 5. 400 Comment
  RSA631592  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15859 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631643  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15637 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631665  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15814 Los Angeles San Gabriel Canyon, Highway 39, 9-10 km north of ORV area. 900 Comment
  RSA634714  Arctostaphylos parryana subsp. tumescens John Crandell, Jon E. Keeley 1992-4-5 15046 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1480 Comment
  RSA634725  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20524 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634931  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20538 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635061  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20383 Los Angeles Road to Pacifico Mtn., 3.7 km east of Mill Creek Summit, San Gabriel Mtns. 1710 Comment
  RSA635120  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20312 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  UC1584049  Arenaria macradenia var. arcuifolia Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4061 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Tujunga Ranger District, Angeles Nat'l Forest. San Gabriel Mountains,Tujunga Ranger District 1755 Comment
  UC2026415  Arenaria macradenia var. arcuifolia Steve Boyd, Laura Moore, M. Wall 1997-7-24 10018 Los Angeles LIEBRE MOUNTAINS REGION: Summit of Liebre Mountain, saddle between Richardson and Bear canyon, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). Comment
  UCR270215  Argemone munita R. G. Swinney 2011-7-7 15435 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
  POM244222  Artemisia californica F. R. Fosberg 1931-12-10 7156 Los Angeles Pebble [Pebbly] Beach Canyon, lf. fk. Santa Catalina Island. 20 Comment
  RSA188275  Artemisia californica R. F. Thorne 1966-6-1 36455 Los Angeles Santa Catalina Island. On dry NE-facing bluff along Pebbly Beach Drive SE of Avalon 30 Comment
  RSA417237  Artemisia californica Larry E. DeBuhr, Gary D. Wallace 1972-9-3 713 Los Angeles San Clemente Island. Horse Canyon west of Thirst Pk. 488 Comment
  RSA527595  Artemisia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4420 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA754112  Artemisia californica Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1815 Los Angeles San Gabriel River main stem across from Morris Dam, CS1 402 Comment
  JEPS52167  Artemisia dracunculus Ernest C. Twisselmann 1966-9-8 12789 Los Angeles Upper Castaic Valley San Emigdio Range 1188 Comment
  UCR223303  Artemisia tridentata R. G. Swinney 2009-7-29 11427 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC97274  Artemisia tridentata subsp. parishii J. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley Comment
  CLARK-A1528-1595  Artemisia tridentata subsp. parishii John C. Roos 1949-11-24 4699 Los Angeles Lancaster Comment
  RSA706431  Asclepias californica LeRoy Gross 2005-6-23 2373 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1642 Comment
  SFV2797  Asclepias californica K. A. Wilson 1962-5-12 1280 Los Angeles San Gabriel Mountains Canyon with public campgrounds leading to Devil's Punch Bowl Trail. North slope of San Gabriel Mountains. 1400 Comment
  UCR276765  Asclepias californica R. G. Swinney 2011-5-16 14743 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  UC1584719  Asclepias eriocarpa Tim Ross, Annette Ross 1991-6-3 5547 Los Angeles Elephant Hill, e from e ridge summit, west Pomona Pomona 304 Comment
  SEINET3158760  Asclepias fascicularis G. B. Grant 1994-7-8 63 -6319 Los Angeles at Cienega Comment
  CATA3530  Asparagus officinalis Peter J. Dixon 2017-8-23 097 Los Angeles Santa Catalina Island: Interior; Black Jack Campground, n toe of slope, sw of campsites. Likely established during historical period at Black Jack Hunting camp 0 Comment
  CHSC99436  Aspidotis californica LeRoy Gross 2000-10-28 313 Los Angeles Verdugo Mountains: Along Brand Park Mountainway road. 548 Comment
  POM8494  Aspidotis californica P. A. Munz, R. D. Harwood 1920-4-21 3713 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  UCR201832  Aster greatae Scott D. White, Chris Huntley 2008-9-30 12546 Los Angeles San Gabriel Mountains, San Gabriel River, west fork between Bear Creek and Cogswell Dam 610 Comment
  JEPS54555  Astragalus bicristatus Frank W. Peirson 1921-7-17 2510 Los Angeles San Gabriel River, Prairie Fork 2057 Comment
  RSA680205  Astragalus bicristatus Valerie L. Soza, Sarah J. De Groot 2003-6-11 1660 Los Angeles San Gabriel Mountains: Praire Fork, southeast of Cabin Flat. 1799 Comment
  SBBG68399  Astragalus bicristatus R. Hoffmann 1929-5-19 Los Angeles Los Angeles Recreation Park 1828 Comment
  UCD168217  Astragalus douglasii J. W. Barry Apr1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UC63674  Astragalus douglasii var. douglasii H. M. Hall Jun 3 1900-Jun 6 1900 1531 Los Angeles at summit Swarthout Canyon (San Antonio Mountains); , Swarthout Canyon 2091 Comment
  UCR109028  Astragalus gambelianus L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  SBBG68272  Astragalus lentiginosus var. albifolius R. Hoffmann 1925-5-17 Los Angeles Lancaster Comment
  SD90623  Astragalus nevinii Robert F. Thorne 1966-4-15 35994 Los Angeles San Clemente Island, 2/3 mile SSE of Eel Point, north of Seal Cove, SW side of island, in sand of old raised beach 29 Comment
  RSA0006828  Astragalus nevinii R. C. Barneby, H. D. Ripley 1961-1 s.n. Los Angeles San Clemente Island. West end, on dunes . Comment
  SEINET948689  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-1 9956 Los Angeles Liebre mountain regio; summit of Burnt Peak, generally to the northeast of the FFA site. 1707 Comment
  UCD105260  Astragalus purshii var. tinctus J. M. Tucker 1962-4-18 3622 Los Angeles Adjacent to the wash, Oso Canyon, Tehachapi Mountains. 975 Comment
  UCR51676  Astragalus trichopodus subsp. antisellii Lyman Benson 1953-5-17 15118 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Oak Flats Guard Station, 1 mi. north of second summit of Castaic 823 Comment
  POM243733  Astragalus trichopodus var. lonchus F. R. Fosberg 1931-5-5 54778 Los Angeles Bullrush Canyon, Santa Catalina Island. 320 Comment
  CAS-BOT-BC199089  Astragalus trichopodus var. phoxus Louis C. Wheeler 1973-5-6 s.n. Los Angeles Near the mouth, east side little Tujunga, near BM. 1227, San Gabriel Mountains 396 Comment
  NY42976  Astragalus trichopodus var. phoxus J. B. Walker 1995-3-31 1307 Los Angeles Angeles National Forest, 5km E of Castaic, along USFS Rd 5N17 500 Comment
  CAS-BOT-BC200836  Astragalus trichopodus var. trichopodus G. P. Rixford 1914-5-1 s.n. Los Angeles Avalon, Catalina Island Comment
  UCR119560  Atriplex argentea L. C. Wheeler 1968-9-16 s.n. Los Angeles Liebre Mtns, Una Lake, near Palmdale Comment
  SD215464  Atriplex canescens Timothy S. Ross, Steve Boyd and Peter W. Fritsch 1990-6-11 3387 Los Angeles Joshua tree Campoground on the southwest side of Little Rock Reservoir 997 Comment
  RSA452426  Atriplex confertifolia George R. Johnstone 1929-9-8 s.n. Los Angeles Lancaster, Mojave Desert. Comment
  SBBG131698  Atriplex coulteri S. A. Junak 1999-9-11 SCa 1102 Los Angeles W side of Twin Peaks, in middle of burn area 390 Comment
  UCR125261  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25539 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  RSA0002483  Atriplex johnstonii C. B. Wolf 1930-12-23 1821 Los Angeles Coastal bluffs at Playa del Rey 30 Comment
  CAS-BOT-BC170109  Atriplex lentiformis I. Johnston 1917-6-10 1900 Los Angeles Playa del Rey Comment
  CLARK-A1528-2525  Atriplex lentiformis subsp. breweri John C. Roos 1948-9-15 Los Angeles Santa Monica Comment
  UCR187355  Atriplex lentiformis subsp. lentiformis R. E. Riefner Jr. 2006-7-29 06- 328 Los Angeles South Coast, Torrance, Victoria Park, Dominguez Channel, vicinity of Del Amo Blvd. and Carson Plaza Dr 9 Comment
  UC56776  Atriplex leucophylla Ernest Braunton Oct 1902 711 Los Angeles Ballona Ballona (on beach) Comment
  CAS-BOT-BC180941  Atriplex nummularia Edith A. Purer 1935-5-11 6586 Los Angeles Playa del Rey Comment
  LA210079  Atriplex nummularia Philip A. Munz; 1932-8-31 12817 Los Angeles Playa del Rey Comment
  UC527385  Atriplex nummularia Carl B. Wolf 1931-12-30 2636 Los Angeles coastal bluffs at Playa del Rey 30 Comment
  SDSU19644  Atriplex pacifica Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2201 Los Angeles San Clemente Island, ca. 0.7 mile north-northwest of South Point, along ridge. 152 Comment
  CATA43  Atriplex semibaccata USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 24 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  UC56781  Atriplex semibaccata Ernest Braunton Jun 1902 523 Los Angeles Gardena Comment
  POM254665  Atriplex serenana F. W. Peirson 1923-10-7 4162 Los Angeles Santa Clara River at Aqueduct crossing. Comment
  CAS-BOT-BC176737  Atriplex serenana var. serenana Geo. B. Grant 6341 Los Angeles Pasadena Comment
  LA31605  Atriplex serenana var. serenana Peter H. Raven; Henry J. Thompson, Henry J. Thompson 1959-10-14 14619 Los Angeles Santa Monica Mountains, Malibu Junction 266 Comment
  SBBG128822  Atriplex suberecta M. A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Newhall Ranch, Salt Crk 274 Comment
  RSA251429  Atriplex watsonii R. F. Thorne 1966-4-16 36034 Los Angeles San Clemente Island, 2/3 mile SSE of Eel point and N of seal Cove, SW side of island. 30 Comment
  RSA453978  Atriplex watsonii M. B. Dunkle 1939-4-5 7274 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  CHSC99439  Avena barbata LeRoy Gross 2001-3-31 373 Los Angeles Los Angeles Basin: Verdugo Mountains Region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road. The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 457 Comment
  UCR271756  Avena barbata R. G. Swinney 2011-3-26 14232 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR278422  Avena barbata R. G. Swinney 2010-5-12 12732 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  RSA707935  Avena fatua L. M. Prince, N. Refulio Rodriguez 2002-3-25 2 -286 Los Angeles Claremont, Palmer Canyon. ~0.25 km north of Padua Ave. on Palmer Canyon Rd. 450 Comment
  RSA472105  Baccharis glutinosa M. B. Dunkle 1928-10-7 1993 Los Angeles Middle Ranch Gorge 46 Comment
  UC63383  Baccharis glutinosa Ernest Braunton 1902-7-1 602 Los Angeles Los Angeles River Comment
  UC1118878  Baccharis pilularis R. St. John 1930-1-21 76 Los Angeles creek bottom w of Plot #12; Triunfo Pass Quad. 335 Comment
  SDSU6386  Baccharis plummerae D. F. Howe 1959-11-8 2822 Los Angeles Topanga Canyon, 3 mi. from mouth. 152 Comment
  UCR282612  Baccharis plummerae Dan S. Cooper 2016-8-17 816- 10 Los Angeles Temescal Canyon Park, east of Temescal Canyon Rd. 18 Comment
  CATA66  Baccharis salicifolia Mark L. Hoefs, A. Douglas Propst 1973-3-3 46 Los Angeles Santa Catalina Island: Cottonwood Canyon, just below Escondido 213 Comment
  UCR212824  Baccharis salicifolia Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1835 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  SFV3766  Bidens frondosa K. A. Wilson, D. E. Bianchi 1961-2-2 813 Los Angeles Santa Susana Mountains Granada Hills. Base of Limekiln Canyon. 350 Comment
  UCD129566  Bidens pilosa Louis C. Wheeler 1968-11-9 s. n. Los Angeles San Gabriel Mountains: 0.2 mile inside mouth of San Gabriel Canyon. 231 Comment
  CAS-BOT-BC101994  Bidens pilosa Brandegee s.n. Los Angeles Los Angeles Comment
  POM178034  Bidens pilosa Joseph A. Ewan 1931-5-11 4187 Los Angeles Throughly naturalized in vacant lot Ocean View Street. Comment
  CDA3997  Bituminaria bituminosa T. C. Fuller 1963-4-25 10298 Los Angeles San Gabriel Mountains: Brown Mountain, 0.5 mile northwest above Millard Canyon campground at end of pavement. 0 Comment
  RSA712218  Bituminaria bituminosa Andrea Warniment, Pam De Vries 2005-3-24 ADW- 005 Los Angeles Transverse Ranges; San Gabriel Mtns. region: Lannan Debris Basin, in foothills of San Gabriel Mtns., above the City of Sierra Madre. 317 Comment
  RSA724646  Bloomeria crocea K. Dobry 1991-5-22 D- 654 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  SEINET7063483  Bloomeria crocea A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta-Brea Canyon Road. Puenta Hills. UTM Zone 11, 415263mE, 3762506mN. (WGS84/NAD83). 126 Comment
  RSA482664  Boechera californica Robert Gustafson 1985-5-8 3113 Los Angeles Angeles National Forest, Sawpit Canyon, ca 4-5 miles above reservoir Comment
  SBBG59614  Bowlesia incana M. N. Ackley -Apr-1928 1107 Los Angeles Santa Monica Mtns 274 Comment
  LA201701  Boykinia rotundifolia Arthur C. Gibson; 2001-5-18 4830 Los Angeles SANTA MONICA MOUNTAINS, Big Sycamore Canyon, Point Mugu State Park, near boundary of Point Mugu State Park and Circle X. Comment
  RSA729421  Boykinia rotundifolia R. G. Swinney 1998-8-21 6786 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  RSA466769  Boykinia rotundifolia Albert J. Perkins 1918-8-14 s.n. Los Angeles Santa Anita Canyon Comment
  SD52980  Brachypodium distachyon Peter H. Raven 1962-5-20 17771 Los Angeles Santa Catalina Island; road above Pebbly Beach 60 Comment
  UCR260620  Brassica geniculata R. G. Swinney 2010-6-21 13296 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR260328  Brassica nigra R. G. Swinney 2010-5-4 12553 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA482932  Brassica rapa Freda Detmers 1930-1-18 s.n. Los Angeles In vacant lot, Verdugo near Glendale. Comment
  RSA66080  Brassica rapa F. W. Peirson 1919-1-26 306 Los Angeles Hills east of Rubio Canyon 548 Comment
  SEINET4565796 Image available Brassica rapa LeRoy Gross 2006-1-28 2452 Los Angeles Transverse Ranges, Verdugo Mountains; northwest tip of the Verdugo Range, just east of Hansen Dam, west side of Wentworth Street, north of Stonehurst Avenue 305 Comment
  OBI30164  Brassica rapa A. H. Teramura 1970-3-19 E 25 Los Angeles In a cyn 300 yds NW of San Dimas Ave, 0.25 mi from Gate 6 of Puddingstone Park 366 Comment
  CAS-BOT-BC100429  Brickellia californica Tim Ross 1990-8-17 3129 Los Angeles San Gabriel Mtns: S side of the Blue Ridge, 0.6 mi E of Vincent Gap along the Angeles Crest Highway (Hwy 2) 2060 Comment
  RSA127982  Brickellia californica H. J. Thompson 1958-10-22 1812 Los Angeles Santa Monica Mountains, N slope of Mt. Hollywood 381 Comment
  SD251183  Brickellia californica Jane Tirrell 2012-8-31 LSO 168 Los Angeles Transverse Ranges: San Gabriel Mountains region: South side of California State Rote 2, on bank of culvert draining Big Rock Creek, ca. 1.5 mile west of Dawson Saddle. 2309 Comment
  UC101923  Brickellia californica C. F. Baker 1903-8-2 3696 Los Angeles near Claremont; San Antonio Canyon Comment
  UCR210636  Brickellia californica R. G. Swinney 2008-10-22 9676 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  RSA314058  Briza maxima C. W. Tilforth 1983-6-21 2225 Los Angeles Along east wall of potting shed, RSABG, Claremont Comment
  POM364038  Bromus Robert M. Perkins 1936-2-23 95 Los Angeles Los Angeles. Comment
  RSA0097777  Bromus R. G. Swinney 2011-7-8 15491 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  SEINET13203243 Image available Bromus R. G. Swinney 2011-1 15491 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  RSA787613  Bromus D. M. McF 1953-5-27 2 Los Angeles Lancastar [Lancaster?] Farms. Comment
  RSA0110660  Bromus carinatus Richard G. Swinney 2011-6-7 15105 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile due east of Angeles Crest Hwy and 0.5 mile due north of jct. of Angeles Crest Hwy. and entrance to Charlton Flats, 0.32 mile WNW of Mt. Mooney Rd. jct. with dirt road to Stony Ridge Observatory. 1768 Comment
  RSA638215  Bromus carinatus L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, Fishermans Cove: USC Marine lab. 152 Comment
  RSA771552  Bromus carinatus R. G. Swinney 2009-5-28 10952 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA773617  Bromus carinatus R. G. Swinney 2009-6-24 11236 Los Angeles summit of Granite Mountain 1988 Comment
  RSA719752  Bromus carinatus var. carinatus R. G. Swinney, Dave Larson 1996-7-17 5141 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 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
  RSA0093470  Bromus carinatus var. marginatus Richard G. Swinney 2011-6-7 15065 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy.2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  CATA1510  Bromus catharticus Mark L. Hoefs, Steven A. Junak 1996-7-9 2723 Los Angeles Santa Catalina Island: By bunkhouse at Middle Ranch, Middle Canyon 207 Comment
  UC1584716  Bromus catharticus Tim Ross, Annette Ross 1991-6-3 5546 Los Angeles Elephant Hill, West Pomona Elephant Hill; , West Pomona 274 Comment
  POM363407  Bromus diandrus Stone 1936-3-23 s.n. Los Angeles SW Los Angeles. Comment
  RSA574479  Bromus grandis R. G. Swinney 1993-8-2 2549 Los Angeles Eastern San Gabriel Mountains: Unnamed tributary to Lytle Creek, 2.7 miles N of Devore Road. Approx. 1 mile W of Lytle Creek. 1098 Comment
  UC1587655  Bromus grandis Tim Ross 1991-8-14 5780 Los Angeles San Gabriel Mountains, Roundtop Mountain Roundtop Mountain; San Gabriel Mountains, Roundtop Mountain 1767 Comment
  CAS-BOT-BC155393  Bromus hordeaceus Timothy S. Ross; J. Mark Porter 1995-5-4 8514 Los Angeles Liebre Mountains. Texas Canyon. Ca. 3.6 road miles northeast of Bouquet Canyon Road. 682 Comment
  UCD58706  Bromus hordeaceus Geoffrey Levin 1975-5-25 653 Los Angeles Blanchard Park. Pomona College. Claremont. 335 Comment
  RSA530060  Bromus inermis subsp. inermis Timothy S. Ross 1991-8-16 5846 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  CDA1842  Bromus madritensis subsp. madritensis L. C. Wheeler 1975-4-27 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Fish Canyon.. . 0 Comment
  CATA639  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-4-16 1104 Los Angeles Santa Catalina Island: Renton Mine Road 249 Comment
  CATA953  Bromus madritensis subsp. rubens Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1818 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  POM145682  Bromus rubens Le Roy Abrams 1927-4-30 11709 Los Angeles Head of Antelope Valley. Comment
  POM158255  Bromus rubens M. B. Dunkle 1928-3-31 1778 Los Angeles Little Harbor, Santa Catalina Island. 152 Comment
  RSA721302  Bromus rubens R. G. Swinney 1998-4-11 5936 Los Angeles Claremont, 0.5 mi. to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr 768 Comment
  SBBG14233  Bromus rubens M. A. Piehl 1962-10-3 62484 Los Angeles S fork of Gallagher Cyn 304 Comment
  RSA0019719  Bromus tectorum Timothy S. Ross, Steve Boyd, L. Arnseth 1991-4-29 4842 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna 1119 Comment
  SEINET3923581  Bromus tectorum Louis C. Wheeler 1967-5-29 9764 Los Angeles San GABRIEL MOUNTAINS: San Antonio Canyon, southwest of Spring Hill. Between Dry Lake Canyon and Wildcat Canyon.; 0 884 Comment
  LA33358  Bromus tectorum Peter H. Raven; Henry J. Thompson 1959-5-5 14109 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  UCR113021  Bromus trinii L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  SBBG13109  Cakile maritima E. R. Blakley 1962-10-5 5427 Los Angeles N of White's Landing 3 Comment
  JEPS5837  Calandrinia breweri Frank W. Peirson 1919-3-27 357 Los Angeles hills w Arroyo Seco; San Gabriel Mountains 426 Comment
  RSA611357  Calandrinia ciliata Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10107 B Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  UC7745  Calandrinia ciliata W. H. Brewer Feb., 1861 192 Los Angeles San Fernando Plains Comment
  CAS-BOT-BC80414  Calocedrus decurrens Joseph Andorfer Ewan 1936-8-2 9926 Los Angeles Cedar Canyon off Mescale Creek, San Gabriel Mts. 1920 Comment
  LA210885  Calocedrus decurrens Arthur C. Gibson; Hanan Abels Sullivan, Tarja Sagar 2009-6-19 5252 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, near culvert beneath trail, Buldog Trail. Comment
  RSA352843  Calocedrus decurrens Mary D. Merilatt 1936-7-15 s.n. Los Angeles Los Angeles Calif South Park. Canyon, mountain slopes. Comment
  CAS-BOT-BC132272  Calochortus catalinae George B. Grant; Walter Wheeler 1904-4-21 126 a/1847 Los Angeles On Santa Catalina Island, Pacific Ocean, off southern California Comment
  LA22345  Calochortus catalinae Mary Reynolds; 1937-4-29 152 Los Angeles Highland Park Comment
  SBBG25543  Calochortus catalinae D. Emery 1947-4-20 Los Angeles Topanga Cyn Comment
  SEINET4169778  Calochortus catalinae B. C. Templeton 1939-4-19 Los Angeles Huntington Palisades Comment
  UC1043435  Calochortus invenustus Richard M. Straw 1954-6-16 628 Los Angeles Horse Flats road, off Angeles Crest Hwy San Gabriel Mts., Angeles National Forest Comment
  UC1601656  Calochortus invenustus I. M. Johnston 1917-7-4 1397 Los Angeles s slope Baldy; San Antonio Mountains 2286 Comment
  CATA2243  Calochortus luteus Sara L. Crockett 1997-2-24 76 Los Angeles Santa Catalina Island: Sol Vista housing development, WSW of corner of Beacon and Lower Terrace Streets 21 Comment
  UCR205833  Calochortus palmeri var. palmeri R. G. Swinney 2008-5-8 8798 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  CAS-BOT-BC132485  Calochortus plummerae R. C. Foster 1937-6-3 337 Los Angeles Along Mills Ave., Claremont Comment
  RSA681148  Calochortus plummerae LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1052 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 519 Comment
  RSA729493  Calochortus plummerae Richard G. Swinney 1998-8-1 6613 Los Angeles Vincent Gulch, c. 2 mi. ENE of the summit of Mt, Baden-Powell, 0.8 mi. SE of Vincent Gap Trail Head. Motane conifeous forest, at the edge of a burn. 1707 Comment
  RSA0017035  Calochortus plummerae Dave Renaker 1960-5-28 30 Los Angeles Hill above 1003 W. Hillcrest, Monrovia; Mt Range: Sierra Madre; Drainage Area: San Gabriel River. 213 Comment
  SBBG51310  Calochortus splendens J. Doty 1969-5-16 670 Los Angeles Elizabeth Lake Cyn, 1.4 mi N of jct with Violin Cyn Rd, 7.7 mi N of Castaic Jct 396 Comment
  CAS-BOT-BC493413  Calochortus splendens R. C. Foster 1937-6-6 343 Los Angeles In Chaparral on upper portion of canon sides, Cobal Canon (foothills of San Gabriel Mts.), north of Claremont Comment
  UCR232364  Calochortus striatus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7989 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, c. 120 m west of Sierra Hwy and 140 m north of Avenue B, just north of a rectangular pond 703 Comment
  POM351392  Calycadenia tenella L. C. Wheeler 1932-6-4 799 Los Angeles Live Oak Canyon 518 Comment
  SEINET3146181  Calycadenia tenella G. B. Grant 1904-5-24 125 Los Angeles Pasadena; S CA Comment
  JEPS18471  Calyptridium monandrum Rimo Bacigalupi with J. Robert Sweeney 1957-5-12 5875 Los Angeles 1/4 mi above U.S. Army Nike launching site (above Las Flores Canyon); Santa Monica Mountains 274 Comment
  RSA0115753  Calyptridium monandrum R. G. Swinney 2011-3-29 14277 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
  RSA600023  Calystegia longipes Steve Boyd, Lauren Raz 1997-5-29 9936 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1098 Comment
  RSA133739  Calystegia macrostegia subsp. cyclostegia P. H. Raven 1959-4-4 13953 Los Angeles Just east of Zuma Beach, Point Dume. 15 Comment
  RSA529301  Calystegia macrostegia subsp. intermedia Tim Ross 1991-4-8 4466 Los Angeles Elephant Hill; western Pomona. 229 Comment
  RSA298500  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1919-6-14 497 Los Angeles Rock Creek. 1905 Comment
  IRVC28598  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-19 25200 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
  SD38592  Calystegia soldanella Edith A. Purer 1932-3-12 2848 Los Angeles El Segundo. Comment
  RSA749843  Camissonia D. Bramlet 2008-3-26 4122 Los Angeles Bee Canyon. Bowerman landfill site. 202 m S of the Bee Cyn. access road, 151 m W of the landfill entrance. Comment
  UCR165416  Camissonia bistorta A. C. Sanders, Helen Kennedy 2005-4-13 29490 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  UCR259773  Camissonia bistorta R. G. Swinney 2010-4-28 12390 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
  RSA465661  Camissonia bistorta M. Bisbee 1917-5-12 s.n. Los Angeles Hills north side of Eagle Rock Valley Comment
  RSA0029400  Camissonia boothii subsp. decorticans Justin M. Wood, K. VinZant, T. Valentovich 2012-6-6 4779 Los Angeles Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  RSA0115833  Camissonia californica R. G. Swinney 2011-3-29 14253 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
  HSC24818  Camissonia campestris subsp. campestris James Henrickson 1971-5-2 5536 Los Angeles 15 mi. E of Palmdale, 3 mi. N of Hwy. 138 along 167 St. S of Lovejoy Buttes in the Mojave Desert 945 Comment
  RSA587244  Camissonia campestris subsp. campestris Orlando Mistretta 1994-5-11 1180 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground. 1372 Comment
  RSA600030  Camissonia campestris subsp. campestris Steve Boyd, Lauren Raz 1997-3-25 9250 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  SBBG17255  Camissonia campestris subsp. campestris K. A. Wilson 1962-5-12 1267 Los Angeles Antelope Valley, 2 mi W of Littlerock on Hwy 138 Comment
  UCR270048  Camissonia campestris subsp. campestris R. G. Swinney 2011-4-20 14432 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. 1268 Comment
  RSA454045  Camissonia cheiranthifolia subsp. suffruticosa Gale Sphon 1955-4-12 s.n. Los Angeles Open sandy area near beach, Point Dume. Comment
  RSA515098  Camissonia guadalupensis subsp. clementina Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 801 -5 Los Angeles San Clemente Island: Main dune area at Darter Road, NW part of the island. Comment
  RSA599761  Camissonia ignota Steve Boyd, Lauren Raz 1997-5-6 9780 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA186689  Camissonia intermedia Peter H. Raven 1962-5-1 17509 Los Angeles Saddle Peak Road 0.9 miles above Stuntz Canyon Road. 671 Comment
  RSA755983  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-12 2427 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  RSA0030722  Camissonia strigulosa Bonnie C. Templeton, I. W. Clokey 1930-4-8 1017 Los Angeles San Fernando Road. 305 Comment
  UC517557  Camissoniopsis bistorta John Thomas Howell 1928-3-20 3456 Los Angeles Vermont Canyon Los Angeles, Griffith Park Comment
  CHSC95473  Camissoniopsis pallida subsp. pallida LeRoy Gross 2005-4-28 2144 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  CATA967  Capsella bursa-pastoris Mark L. Hoefs 1994-5-21 1835 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  CAS-BOT-BC37455  Cardamine californica W. R. Dudley 1907-12-16 s.n. Los Angeles Deer Park Canyon (near Monrovia). Comment
  UCR216748  Cardamine hirsuta R. G. Swinney 2009-2-20 10005 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA595521  Cardamine oligosperma L. C. Wheeler 1969-4-20 s.n. Los Angeles Pasadena. Brookside Park, near West Drive and Seco Street. Comment
  SEINET3897006  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just sourht of Santa Clara River (Val Verd 7.5').; 0 305 Comment
  UC822620  Carex alma I. W. Clokey and E. G. Anderson 1935-5-9 6530 Los Angeles San Dimas Canyon Comment
  UCR205093  Carex alma R. G. Swinney 2008-4-11 8649 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR182758  Carex fracta R. G. Swinney 1997-7-22 5709 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  CAS-BOT-BC118972  Carex pellita John Thomas Howell 1947-7-18 23429 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  CAS-BOT-BC118414  Carex praegracilis LeRoy Abrams 1899-3-1 201 Los Angeles Cienega Comment
  UCR180371  Carex praegracilis Scott D. White, Pam Devries 2006-5-9 11417 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-BC117319  Carex spissa Samuel B. Parish 1901-4-1 3747 Los Angeles Santa Monica Range. Comment
  UC1116255  Carex triquetra F. R. Fosberg 1931-4-16 S 4645 Los Angeles Eagles Nest Santa Catalina Island, Middle Ranch Canyon Comment
  UCD96847  Carpobrotus edulis Kenneth A. Wilson 1961-3-12 1002 Los Angeles Zuma Beach. Comment
  SEINET9122022  Carpobrotus edulis F. C. Boutin 1967-1 1724 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  SBBG66844  Castilleja affinis R. Hoffmann 1928-7-7 Los Angeles Soledad Cyn Comment
  RSA425916  Castilleja affinis Richard C. Barkelew 1929-4-17 s.n. Los Angeles Mulholland Highlands, Los Angeles Comment
  SFV13109  Castilleja affinis subsp. affinis W. M. Perry 1980-5-25 35 Los Angeles San Gabriel Mountains On firebreak on east side of Cattle Canyon. 1050 Comment
  CATA3304  Castilleja exserta Amy Catalano 2017-3-22 021 Los Angeles Santa Catalina Island: On the se facing slope of the ridge leading towards (sw) the Skull Canyon-Middle Ranch roads junction 201 Comment
  SBBG79305  Castilleja exserta F. R. Fosberg 1932-5-5 8107 Los Angeles hill N of Avalon 40 Comment
  UC1063460  Castilleja exserta A. D. Gifford 1935-3-28 302 Los Angeles 5 mi nne Tecuya Mountain; Tejon Quad. 365 Comment
  UCR182695  Castilleja exserta R. G. Swinney 1998-4-11 5931 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  RSA595120  Castilleja foliolosa Steve D. Boyd, Orlando Mistretta, John Dolan 1996-4-18 8574 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N01, 6.2 road miles from jtn with 8N05. 1174 Comment
  SD138805  Castilleja gleasoni Craig Reiser 1994-5-3 Los Angeles South of Kentucky Springs; east of Mount Gleason; Angeles Crest Highway below forest station Comment
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Nov 12 2014
  NY28966  Castilleja grisea P. H. Raven 1962-5-10 17735 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA0005966  Castilleja martinii L. R. Abrams 1901-7-10 1881 Los Angeles San Gabriel Mountains: Wilson's Peak Comment
  RSA628632  Castilleja miniata subsp. miniata Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: South fork Big Rock Creek, at Angeles Crest Highway. 2309 Comment
  UCR150046  Castilleja minor subsp. spiralis L. C. Wheeler 1967-9-4 10686 Los Angeles Transverse Ranges; San Gabriel Mountains, Ravine south of Camp Lupine, Prairie Fork 2043 Comment
  UC1922353  Castilleja minor var. spiralis Scott D. White 2004-8-20 10734 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. Comment
  RSA605498  Castilleja plagiotoma Louis C. Wheeler 1968-5-27 s.n. Los Angeles Alimony Ridge. 1433 Comment
  UCR238988  Castilleja subinclusa subsp. subinclusa Anuja Parikh, Nathan Gale 2010-5-24 3212 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 5.0 km west of State Hwy 14, 1.6 km southwest of California Aqueduct, under powerlines 1005 Comment
  UCR98800  Castilleja subinclusa subsp. subinclusa Steve Boyd, T. S. Ross 1997-3-21 9229 Los Angeles Liebre Mtns., Portal Ridge, upper Broad Canyon, c. 1 mi east of VABM King and 1.2 mi east of the jct of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  RSA60193  Caulanthus coulteri var. coulteri E. K. Balls, Lee W. Lenz 1950-3-28 14465 Los Angeles 1 mile east of junction of Hwys 99 and 138, just south of Gorman. 1159 Comment
  UCR117551  Ceanothus A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23293 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 976 Comment
  UCR190110  Ceanothus cordulatus R. G. Swinney 1998-8-27 6790 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
  LA105403  Ceanothus crassifolius Barry A. Prigge; 8504 Los Angeles Santa Susana Mountains, Blind Canyon, ca 1.5 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 449 Comment
  LA41980  Ceanothus crassifolius Willis H. Wheeler; 1930-3-8 sn Los Angeles San Gabriel Mountains, Thompson Creek Wash 411 Comment
  RSA398866  Ceanothus crassifolius Samuel R. Tyson 1942-3-20 s.n. Los Angeles San Dimas Canyon 945 Comment
  UC1871016  Ceanothus crassifolius T. S. Ross, W. Appleby 1993-5-19 7180 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W T3N NE/4 NW/4 SW/4 sect 15; elevation ca. 2520 ft. 768 Comment
  UCR111527  Ceanothus crassifolius A. C. Sanders, D. Malueg 1998-6-22 22032 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  CHSC25949  Ceanothus crassifolius var. crassifolius James Henrickson 1972-3-19 7180 Los Angeles 9 air miles NE of La Canada, in margin of Upper Big Tujunga canyon about 1 air mile N of Hwy 2. 1341 Comment
  UC79865  Ceanothus cuneatus var. cuneatus Katharine Brandegee May 1889 Los Angeles Pasadena Comment
  RSA0028428  Ceanothus cyaneus Peter Gail 1961-5-27 s.n. Los Angeles Mt. Wilson Rd., 3 miles S. of Hotel. Comment
  UCR182562  Ceanothus greggii Sharon Dougherty 2007-3-6 s.n. Los Angeles San Gabriel Mtns., Sycamore Flat and slopes of Johnstone Peak, San Dimas Experimental Forest, proposed communication site 854 Comment
  RSA164763  Ceanothus greggii var. vestitus Wesley O. Griesel 1963-5-26 797 Los Angeles Between Mile High Ranch and Big Pines 1677 Comment
  CAS-BOT-BC50160  Ceanothus integerrimus Timothy S. Ross; Steve Boyd 1990-5-17 2550 Los Angeles North Fork Mill Creek: along Forest Service Road 3N27, 8.7 road miles N of Big Tujunga Canyon Rd, 1286 Comment
  RSA95404  Ceanothus integerrimus F. W. Peirson 1920-5-16 2138 Los Angeles Delta Canyon branch of Tujunga Canyon, west end of San Gabriel Mountains 518 Comment
  RSA399011  Ceanothus leucodermis Tisdale 1929-4-15 s.n. Los Angeles Topanga Canyon. Comment
  UC1070858  Ceanothus leucodermis A. Lewis Jan 1934 244 Los Angeles Elizabeth Lake Canyon Elizabeth Lake quad., Angeles National Forest 883 Comment
  RSA19616  Ceanothus megacarpus I. W. Clokey, Bonnie C. Templeton 1929-04 4508 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA177788  Ceanothus megacarpus var. insularis Robert F. Thorne, Percy C. Everett 1965-5-10 34445 Los Angeles Black Jack Mt., few hundred feet below summit; Santa Catalina Island 488 Comment
  RSA292461  Ceanothus megacarpus var. insularis James Henrickson 1973-01 8120 Los Angeles Santa Catalina Island. 2 air miles WNW of Avalon. Comment
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Feb 9 2017
  SD117616  Ceanothus megacarpus var. insularis Tom Scott 1985-7-7 Los Angeles San Clemente Island, Horse Canyon, ca. 3 km. WSW of Mt. Thirst 249 Comment
  LA200805  Ceanothus megacarpus var. megacarpus Norman A. Cole; May 1964 352 .2 Los Angeles SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico. 335 Comment
  UCSB3927  Ceanothus megacarpus var. megacarpus Wedberg, H. 1958-2-22 Los Angeles About 5 miles W. of Beverly Glen Blvd. on Mullholland Drive, Santa Monica Mts. Comment
  CAS-BOT-BC50484  Ceanothus oliganthus Henry J. Thompson 1959-3-27 1890 Los Angeles Santa Monica Mountains - Saddle Mountain - 1.5 miles east of peak 731 Comment
  RSA399741  Ceanothus oliganthus H. L. Bauer 1932-03 15375 Los Angeles Chaparral N slope along road to Saddle Peak. 671 Comment
  SEINET12210588  Ceanothus oliganthus R. F. Thorne 1971-1 41509 Los Angeles San Gabriel Mts.: lower Evey Canyon off San Antonio Canyon 716 Comment
  RSA0106841  Ceanothus oliganthus subsp. oliganthus R. G. Swinney 2011-5-10 14638 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  RSA719641  Ceanothus oliganthus var. oliganthus R. G. Swinney 1998-3-14 5915 Los Angeles Evey Canyon, ca. 0.75 mi. W of Mt. Baldy Rd., ca. 0.3 mi. NE of Potato Mtn. 793 Comment
  LA82208  Ceanothus spinosus O. H. Kappler; 1941-3-30 161 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC1071370  Ceanothus spinosus P. L. Johannsen 1934-1-18 230 Los Angeles Topanga Canyon Calabasas Quarangle Comment
  UCD112712  Ceanothus spinosus Gerald Dickinson 1962-5-17 39 Los Angeles Topanga Canyon and Upper Robinson Rd. Santa Monica Mts. 304 Comment
  SEINET3464285  Ceanothus thyrsiflorus Unknown 1939-7-19 1468 Los Angeles Los Angeles, Los Angeles, College grounds Comment
  RSA188093  Centaurea cineraria R. F. Thorne 1966-4-28 36239 Los Angeles Santa Catalina Island. Wrigley Drive near Avalon. 91 Comment
  JEPS26162  Centaurea melitensis Peter H. Raven and Henry J. Thompson 1959-6-4 14323 Los Angeles Point Dume Santa Monica Mountains, Point Dume 45 Comment
  UCR157905  Centaurea melitensis Robert J. Steers 2005-5-8 10 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  UCR205275  Centranthus ruber R. G. Swinney 2008-4-30 8700 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Rd., 1.7 mi. NE of Glendora Mtn. Road 473 Comment
  RSA304178  Centranthus ruber James R. Shevock 1970-9-12 463 Los Angeles Malibu Canyon. 152 Comment
  RSA0135654  Centrostegia thurberi David E. Bramlet 2016-6-2 5315 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  UCSB30866  Centrostegia thurberi Burgess, Rick 1978-5-20 Los Angeles 106 St. East, 3 miles south of junction with Pearblossom Hwy. 914 Comment
  RSA10946  Centrostegia thurberi var. thurberi Victor Duran 1933-5-23 3417 Los Angeles near Lancaster Comment
  PASA1323  Cerastium viscosum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA598253  Ceratonia siliqua R. G. Swinney 1989-8-6 s.n. Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon; Big Dalton Canyon Road, 1.0 miles NE of Glendora Mountain Road, 50 yards S of City Day Camp restroom 442 Comment
  CAS-BOT-BC142104  Cercocarpus betuloides var. betuloides W. R. Dudley 1907-11-18 s.n. Los Angeles Near Monrovia Comment
  RSA0091483  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-6-15 15170 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  UC1127853  Cercocarpus betuloides var. betuloides F. H. Raymond 1930-1-8 20 Los Angeles head of Encinal Canyon Encinal Canyon 365 Comment
  UC195331  Cercocarpus betuloides var. betuloides S. B. Parish 1916-3-27 10743 Los Angeles summit of Laurel Canyon Comment
  UC481490  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1931-8-3 Los Angeles 1 mi e of Palmer Canyon (San Antonio Mountains); San Antonio Mountains 609 Comment
  CAS-BOT-BC142159  Cercocarpus betuloides var. betuloides Bunch 1974-8-15 0508 Los Angeles West end of archery course - Castaic Comment
  CAS-BOT-BC137236  Cercocarpus betuloides var. blancheae Robert F. Thorne 1967-5-18 36876 Los Angeles Santa Catalina Island: slope of Wild Boar Gully 152 Comment
  LA88743  Cercocarpus betuloides var. blancheae Karen Searcy; 1967-1-28 26 Los Angeles Santa Catalina Island, Pebbly Beach Canyon on Renton Mine Rd 182 Comment
  RSA1186  Cercocarpus betuloides var. blancheae Carl B. Wolf 1930-1-30 1462 Los Angeles Head of Descanso Canyon, Catalina Island. Comment
  RSA187660  Cercocarpus betuloides var. blancheae Robert F. Thorne 1966-9-16 36721 Los Angeles Santa Catalina Island. Near terminus of Renton Mine Rd.; upper end of Pebbly Beach Canyon 274 Comment
  CAS-BOT-BC147718  Cercocarpus betuloides var. traskiae Robert F. Thorne 1967-5-18 36872 Los Angeles Santa Catalina Island: Wild Boar Gully 167 Comment
  CATA1776  Cercocarpus traskiae Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6916 Los Angeles Santa Catalina Island: Wild Boar Gully 110 Comment
  CAS-BOT-BC279445  Chaenactis S. B. P. 1887-6-1 1934 Los Angeles Gormans Station, near Tejon Pass Comment
  CAS-BOT-BC279509  Chaenactis artemisiifolia Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  CHSC100187  Chaenactis artemisiifolia John Dittes 2006-6-4 1394 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air miles northwest of Chatsworth High School, ca. 1.1 air mile west of Topanga Blvd. ca. 0.7 air miles east x northeast of Santa Susana Pass. 403 Comment
  CHSC98405  Chaenactis artemisiifolia LeRoy Gross 2001-5-6 380 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd city of Sun Valley. Sunny open southeast facing slope near ridgetop. Comment
  SEINET7379758 Image available Chaenactis artemisiifolia G. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  RSA679957  Chaenactis fremontii LeRoy Gross, Orlando Mistretta, Valerie L. Sosa 2003-5-13 862 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UCSB10326  Chaenactis fremontii Phillips, Priscilla 1958-4-26 Los Angeles 2 miles south of Palmdale, route 138 Comment
  SEINET7063584  Chaenactis glabriuscula A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on Pearblossom Highway. UTM Zone 11, 410583mE, 3820399mN. (WGS84/NAD83). 887 Comment
  CAS-BOT-BC277384  Chaenactis glabriuscula var. glabriuscula John H. Thomas 1957-5-3 6728 Los Angeles North of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  POM5994  Chaenactis glabriuscula var. glabriuscula L. R. Abrams 1902-6-9 15733 Los Angeles Playa Del Rey Comment
  RSA659953  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta 1992-5-18 345 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  UCR120619  Chaenactis glabriuscula var. tenuifolia Steve Boyd, T. S. Ross 1988-4-28 2231 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  CAS-BOT-BC277824  Chaenactis santolinoides A. D. E. Elmer 1902-6-1 3802 Los Angeles Acton, Mt. Gleason Comment
  PASA2198  Chaenactis stevioides Frank W. Peirson 1923-5-25 Los Angeles Rock Creek, San Gabriel Mts. 1295 Comment
  RSA552590  Chaenactis stevioides D. Charlton 1991-5-18 5196 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  RSA755975  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2008-4-12 2419 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  VVC2832  Chaenactis xantiana Tim Thomas, P. J. MacKay 2014-4-24 6270 C Los Angeles Tehachapi Mtns, 2 miles East of Gorman on Gorman Post Rd. 1549 Comment
  SBBG131599  Chamaesyce S. A. Junak 1999-7-15 SCa 1038 Los Angeles N border of lower reservoir in Bulrush Cyn 304 Comment
  RSA592827  Chamaesyce albomarginata Steve Boyd 1996-4-24 8655 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA499112  Chamaesyce albomarginata L. C. Wheeler 1936-4-12 4091 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  RSA601657  Chamaesyce albomarginata L. C. Wheeler 1946-8-28 6282 Los Angeles San Gabriel Mountains. Pear Blossom Highway in Grandview Canyon drainage. 1706 Comment
  RSA585912  Chamaesyce maculata T. S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: granitic alluvium of slight southwesterly slope on the NW side of Indian Hill Mesa (i.e. The Back 40'). 409 Comment
  POM2806  Chamaesyce melanadenia Jack Kellogg s.n. Los Angeles Claremont. 305 Comment
  SBBG118147  Chamaesyce serpyllifolia F. R. Fosberg 1931-5-18 4912 Los Angeles rd between Eagles' Nest and Sweetwater Cyn Comment
  SBBG130719  Chamaesyce serpyllifolia S. A. Junak 2000-7-1 SCa 1365 Los Angeles LA County Interpretive Center, Avalon 73 Comment
  CATA2920  Chamelaucium uncinatum Sara L. Crockett 1997-4-15 124 Los Angeles Santa Catalina Island: 326 Sumner Avenue 15 Comment
  CAS-BOT-BC70014  Cheilanthes covillei Geo. B. Grant 1904-5-18 6264 Los Angeles Mt. Wilson 1828 Comment
  UC399615  Cheilanthes covillei Geo. L. Moxley 1915-7-21 399 Los Angeles on trail to Barley Flats; San Gabriel Mts 1524 Comment
  UCR191194  Chenopodium R. G. Swinney 1999-7-5 7527 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  SD128655  Chenopodium album H. A. Wahl 1949-5-15 2079 Los Angeles One mile and a half west of intersection of Mulholland Drive and Laurel Canyon Boulevard, on Mulholland Drive, Santa Monica Mts. Comment
  RSA715159  Chenopodium album var. album A. C. Sanders 2003-5-22 26808 Los Angeles Sa gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., S of 210 Fwy and N of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA0080644  Chenopodium berlandieri R. G. Swinney 2010-5-29 13008 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  UCR210202  Chenopodium berlandieri R. G. Swinney 2008-9-4 9410 Los Angeles San Gabriel Mtns., Dry Lake, Blue Ridge, SW of Wrightwood and 0.4 mi. east of junction of Hwy 2 and road 3N06/Blue Ridge Rd. 2250 Comment
  RSA478443  Chenopodium berlandieri var. sinuatum F. R. Fosberg 1931-4-8 S 4508 Los Angeles Santa Catalina Island. Avalon Valley, near golf course. 30 Comment
  RSA526150  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4144 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  LA50756  Chenopodium macrospermum var. farinosum Zaitlin; 1951-4-8 Los Angeles Point Dume Comment
  CLARK-A1528-2567  Chenopodium multifidum John C. Roos 1937-7-19 1159 Los Angeles Pasadena Comment
  RSA1232  Chenopodium murale Fay A. MacFadden 1929-09 1703 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  POM265711  Chenopodium pumilio J. C. Roos 1942-6-17 1276 Los Angeles Garden, mouth of Mandeville Canyon. Comment
  UC519964  Chenopodium pumilio Louis Wheeler 1932-10-7 1428 Los Angeles San Gabriel 106 Comment
  UCR84563  Chenopodium rubrum T. S. Ross 1994-9-21 8334 b Los Angeles San Gabriel Mtns., 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the south side of W Oakdale Canyon Rd, c. 100 m west of the Cow Spring Drainage. 1155 Comment
  UC2026424  Chenopodium strictum var. glaucophyllum Louis C. Wheeler 1966-10-25 9068 Los Angeles SAN GABRIEL MOUNTAINS: E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  SEINET4044527  Chlorogalum pomeridianum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  POM156534  Chlorogalum pomeridianum var. pomeridianum Le Roy Abrams 1902-7-2 2634 Los Angeles Sierra Madre. Comment
  CAS-BOT-BC252763  Chorizanthe parryi var. fernandina Vipul Joshi; Mark Elvin; Tricia Wotipka 2003-6-11 2940 Los Angeles Newhall Ranch, ridge ca 900 m SW of Airport Mesa, Val Verde 7.5' Q., N end of Santa Susana Mtns. 365 Comment
  RSA122736  Chorizanthe staticoides A. D. Gifford 1935-5-8 682 Los Angeles Junction of Castaic and Elizabeth Lake Canyon. 366 Comment
  RSA716902  Chorizanthe staticoides LeRoy Gross 2006-5-30 2461 Los Angeles Along Whitaker Peak Road (6N53). West of Interstate Freeway 5 and the old Golden State Highway, near Whitaker Summit., Survey along road Southwest of the peak from Whitaker Peak Lookout along the northeast side of Whitaker peak to a saddle that divides Ruby Canyon and Canton Canyon drainages, short distance west from Road 6N53B. Near start of survey. 1244 Comment
  UC1870197  Chorizanthe staticoides LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 241 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. Near N34° 13' 34.8'' W118° 17' 45.1''. Elev. 2384 Feet. 726 Comment
  RSA725105  Chorizanthe watsonii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -17 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SEINET13383403 Image available Chorizanthe xanti var. xanti R. G. Swinney 2010-1 13079 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1073 Comment
  RSA756784  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2008-4-28 2537 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Impact area 9 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1127 Comment
  RSA188561  Chrysolepis sempervirens Robert F. Thorne 1965-8-26 35353 Los Angeles San Gabriel Mountains; Angeles National Forest, near top of Blue Ridge SE of Holiday Hill Ski Lift 2561 Comment
  RSA703160  Chrysothamnus nauseosus subsp. consimilis Scott D. White 2004-8-11 10698 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA589097  Chrysothamnus nauseosus subsp. hololeucus Orlando Mistretta 1994-9-13 1460 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  UCR146532  Chrysothamnus nauseosus subsp. mohavensis Scott D. White 2004-8-11 10698 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  UC1537650  Chylismia claviformis subsp. claviformis Gordon H. True Jr. 1935-3-27 182 Los Angeles 3 mi sw Palmdale (s slope of foothills) 914 Comment
  POM82890  Cicuta bolanderi H. E. Hasse 1890-07 s.n. Los Angeles [Unspecified] Comment
  PASA85  Cirsium californicum Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  CAS-BOT-BC280036  Cirsium mohavense John Thomas Howell 1952-10-26 28880 Los Angeles Lancaster Comment
  CDA1300  Cirsium occidentale var. californicum T. C. Fuller 1958-3-18 1182 58 C Los Angeles Wash below Padua Hill, L.A. County. (Claremont). Comment
  RSA138270  Cirsium occidentale var. occidentale Percy C. Everett, E. K. Balls 1960-6-10 24163 Los Angeles Claremont. 366 Comment
  UCR65557  Cirsium occidentale var. occidentale T. S. Ross, Steve Boyd 1990-5-14 2504 Los Angeles San Gabriel Mtns., Angeles National Forest, Yerba Buena Ridge, Tujunga Ranger District 1101 Comment
  CAS-BOT-BC286519  Cirsium undulatum Herman Knoche 1919-6-30 Series A, No. 965 Los Angeles Avalon, Catalina Island Comment
  SFV3838  Cirsium vulgare P. H. Raven 1962-7-14 18046 Los Angeles San Gabriel Valley Claremont. Rancho Santa Ana Botanic Garden. 320 Comment
  RSA658412  Cirsium vulgare Erinn Wilson 1996-4-26 14 Los Angeles G Canyon on Cal Poly Campus Pomona. Comment
  CAS-BOT-BC438750  Cistanthe monandra V. W. Steinman 1996-6-17 916 Los Angeles San Gabriel Mountains, ca. 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail 2850 Comment
  RSA584175  Cistus ladanifer T. S. Ross 1990-5-15 2530 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  UCR1430  Cistus ladanifer Bland Ewing 1961-3-30 300361- 9 -16 Los Angeles San Gabriel Mtns., Brown Mtn. Fire Control Rd., El Prieto Canyon, Altadena Comment
  UC535310  Clarkia bottae Ira W. Clokey, B. Templeton May 1929 4534 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  UCR246411  Clarkia cylindrica Dan S. Cooper 2011-7-20 711- 98 Los Angeles W Transverse Range/Tehachapi Mtns. Junction, Gorman Ranch, 5.4 km NW of Quail Lake 1386 Comment
  SD43733  Clarkia cylindrica Darley F. Howe 1948-5-29 1983 Los Angeles Santa Monica Mountains, California, Los Angeles County Comment
  RSA453463  Clarkia cylindrica subsp. cylindrica Freda Detmers 1931-5-17 s.n. Los Angeles Mint Canon. [canyon] Comment
  UC1143191  Clarkia cylindrica subsp. cylindrica H. Lewis and M. Lewis 1947-5-7 212 Los Angeles 0.4 mi n Latigo Canyon Road (Decker Road); Santa Monica Mts. Comment
  UC373528  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 55 Los Angeles 8 mi w Elizabeth Lake 1000 Comment
  RSA627098  Clarkia dudleyana Scott D. White 1998-6-10 6713 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  POM199780  Clarkia epilobioides I. W. Clokey 1929-05 4533 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  CAS-BOT-BC163710  Clarkia purpurea subsp. quadrivulnera Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  POM153232  Clarkia purpurea subsp. quadrivulnera C. L. Hitchcock 1928-5-19 54 Los Angeles Palmer s Canyon. 900 Comment
  RSA73329  Clarkia purpurea subsp. quadrivulnera F. W. Peirson 1920-4-26 2114 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  SBBG131135  Clarkia purpurea subsp. quadrivulnera S. A. Junak 1999-5-21 SCa 973 Los Angeles upper reaches of Coffee Pot Cyn, near Benchmark 1732, N facing slope 527 Comment
  UCR277212  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-5-25 12946 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  CSUSB244  Clarkia unguiculata Art Whistler 1966-5-1 Los Angeles Roadside near Semmole Hot Springs near Mulholland Drive and Cornell Street. Comment
  RSA448595  Clarkia unguiculata Ron Yee 1979-5-12 139 Los Angeles Winding Way, private road near Malibu. 152 Comment
  RSA0059501  Claytonia exigua subsp. exigua Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4978 Los Angeles Soledad Canyon Wash between Acton and Paris. 835 Comment
  RSA586966  Claytonia parviflora subsp. parviflora Orlando Mistretta, Steve Boyd 1995-5-23 1736 A Los Angeles Bare Mt. Canyon near summit of Bae mt. on N ridge. 1768 Comment
  RSA779212  Claytonia perfoliata R. G. Swinney 2009-6-8 11079 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC439787  Claytonia perfoliata Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  CATA1022  Claytonia perfoliata subsp. mexicana Mark L. Hoefs 1995-5-4 1939 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  RSA466686  Claytonia perfoliata subsp. mexicana C. B. Liter, J. A. Powell?? 1928-4-3 s.n. Los Angeles Santa Catalina Island. West of St. Catherine Hotel. Comment
  RSA466689  Claytonia perfoliata subsp. mexicana F. H. Elmore 418 Los Angeles San Clemente Island. Comment
  RSA65739  Claytonia perfoliata subsp. mexicana F. W. Peirson 1919-1-5 35 Los Angeles Monrovia Canyon, San Gabriel Mountains 579 Comment
  CAS-BOT-BC443733  Claytonia rubra subsp. rubra Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  RSA386243  Clematis ligusticifolia F. R. Fosberg, Joseph A. Ewan 1931-8-11 S- 5557 Los Angeles Pine Flats, Islip Trail, 1/2 mile below Big Cienega, N fork San Gabriel Canyon, San Gabriel Mountains. 1900 Comment
  SBBG13508  Clematis ligusticifolia E. R. Blakley 1962-10-5 5450 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  UCSB12509  Clematis ligusticifolia Breedlove, Dennis 1961-9-24 Los Angeles Middle Ranch Canyon; 0.5 mi above Ben Weston Beach Santa Catalina Island 60 Comment
  RSA126659  Clematis ligusticifolia Peter H. Raven, Henry J. Thompson 1958-10-11 s.n. Los Angeles Piuma Road 4.9 miles east of summit of Saddle Peak 366 Comment
  UC56204  Collinsia bartsiifolia var. bartsiifolia H. M. Hall May 1 1902-May 3 1902 3062 b Los Angeles vicinity of Elizabeth Lake; Antelope Valley 1066 Comment
  POM49311  Collinsia heterophylla Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA408281  Collinsia heterophylla Dorothy Davis 1922-05 s.n. Los Angeles Hills around San Fernando Valley Comment
  CAS-BOT-BC240956  Collinsia parryi Frank W. Peirson 1918-5-26 193 Los Angeles Toll Road to Mt. Wilson at Hennigers Flat, San Gabriel Mts. 868 Comment
  UCSB33262  Collinsia torreyi var. wrightii Griesel, Wesley 1982-6-6 Los Angeles Dawson Saddle; San Gabriel Mts 2438 Comment
  POM223076  Conium maculatum L. C. Wheeler 1933-7-7 1916 Los Angeles Lexington Wash near El Monte. 73 Comment
  SBBG13722  Constancea nevinii P. H. Raven 1962-4-12 17312 Los Angeles below the Tomb 121 Comment
  SD5703  Constancea nevinii Mary S. Snyder Unknown Los Angeles San Clemente Island Comment
  RSA394791  Convolvulus arvensis Robert Gustafson 1980-8-29 1886 Los Angeles Ballona Wetlands, Area 3. Comment
  UCR217708  Conyza bonariensis A. C. Sanders, Dan S. Cooper 2010-8-5 38551 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  LA31701  Conyza canadensis Peter H. Raven; Henry J. Thompson 1959-9-27 14506 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon 243 Comment
  POM355841  Conyza canadensis Larry E. DeBuhr, Gary D. Wallace 1972-9-4 715 Los Angeles San Clemente Island. In seepage area below barracks at Wilson Cove. Comment
  UCR277091  Cordylanthus rigidus R. G. Swinney 2010-10-5 13990 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA599578  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-25 9305 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA716362  Coreopsis bigelovii Andrea Edwards, Pam De Vries 2006-4-11 94 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UC566773  Coreopsis bigelovii Herbert L. Mason 1926-4-27 3046 Los Angeles between Rock Creek and Little Rock Creek (on Big Pines Recreation Camp road) Comment
  POM356001  Coreopsis californica var. californica Thekla Mohr 1897-04 s.n. Los Angeles Eaton Canyon. Comment
  CAS-BOT-BC105689  Corethrogyne filaginifolia W. R. O 73 -656 Los Angeles Small canyon along Rd. S.E. of Aedionda Lagoon between Palomar Airport and El Camino Real Comment
  CAS-BOT-BC105710  Corethrogyne filaginifolia Alice Eastwood 1918-6-10 s.n. Los Angeles The Isthmus, Santa Catalina Island Comment
  POM11455  Corethrogyne filaginifolia P. A. Munz, R. D. Harwood 1920-8-11 4380 Los Angeles 1 mi. So. of Claremont. 366 Comment
  POM356134  Corethrogyne filaginifolia var. filaginifolia L. E. Hoffman 1927-8-19 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest, Clear Creek. Comment
  RSA653525  Corethrogyne filaginifolia var. filaginifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 287 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  SFV3857  Cotula coronopifolia M. L. Vincent 1960-3-24 59 Los Angeles Santa Monica Mountains Temescal Canyon beside dry streambed. Comment
  NY387836  Cotyledon nudicaule L. Abrams 1902-7-4 2652 Los Angeles San Gabriel Cañon. Comment
  UCR216370  Crassula aquatica Dan S. Cooper 2010-5-27 510- 36 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA653698  Crassula connata Valerie L. Soza, Laura Moore 2000-5-10 859 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  SEINET13387058 Image available Crassula tillaea R. G. Swinney 2011-1 14075 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  CAS-BOT-BC427959  Crassula tillaea Louis C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco between El Prieto and Fern Canyon. East side of Arroyo. Comment
  SD51733  Cressa truxillensis var. vallicola L. W. Nuttall Unknown 804 Los Angeles Santa Catalina Island Comment
  NY268584  Crossosoma californicum A. Davidson 06 1892 5785 Los Angeles Santa Catalina Island. Comment
  RSA582965  Crossosoma californicum T. S. Ross, Janet Takara 1993-4-23 6937 -b Los Angeles Santa Catalina Island. SW part of the island in Cape Canyon, just above bed of canyon near roadside. 256 Comment
  HSC101376  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
  LA82170  Croton californicus O. H. Kappler; 1941-5-22 273 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  RSA620041  Croton californicus LeRoy Gross 1998-11-1 95 Los Angeles Southern base San Gabriel Mtns.: Big Tujunga Wash. East of 210 freeway, city of Sunland. 366 Comment
  RSA703833  Croton californicus A. C. Sanders, Mark Elvin 2002-6-25 25277 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 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
  UCR124028  Croton setiger A. C. Sanders, Mark A. Elvin 2002-8-28 25596 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  UCR273410  Cryptantha R. G. Swinney 2011-6-22 15247 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
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Dec 6 2018
  RSA250599  Cryptantha barbigera R. F. Thorne, J. P. Simon, D. J. McGillivray 1970-4-17 39583 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1432 Comment
  RSA587752  Cryptantha circumscissa T. S. Ross 1991-4-27 4623 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  UCR131373  Cryptantha clevelandii Jeremiah George 2001-5-29 01 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  RSA0031375  Cryptantha clevelandii Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4321 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  POM246606  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 4350 Los Angeles Hamiltons Canyon, Santa Catalina Island 30 Comment
  UCR98788  Cryptantha decipiens Steve Boyd, L. Raz 1997-4-30 9594 Los Angeles Liebre Mountains, About the confluence of Bear Canyon & Pine Canyon, between the southern flank of Liebre Mountain & northern flank of Red Rock Mountain, SW of Gillette Mine 915 Comment
  IRVC26355  Cryptantha intermedia A. C. Sanders, Mark A. Elvin 2003-4-16 26039 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  RSA499600  Cryptantha intermedia L. E. Hoffman 1927-7-10 s.n. Los Angeles Swartout Canyon, Big Pines. Comment
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Jan 4 2012
  RSA654443  Cryptantha intermedia Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 978 Los Angeles Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler and Fisher canyons, S of La Tuna Canyon. 457 Comment
  SBBG63815  Cryptantha intermedia R. Hoffmann 1930-6-6 Los Angeles Piru Crk Comment
  SBBG63824  Cryptantha intermedia R. Hoffmann 1929-4-26 Los Angeles near Castaic, Soledad Cyn Comment
  SFV21796  Cryptantha intermedia V. Soza, L. Gross, A. Munoz 2000-5-12 889 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. East-northeast-facing slope alongside trail to fire road, near junction. 396 Comment
  UC450111  Cryptantha intermedia Ernest Braunton Mar 1903 837 Los Angeles Playa del Rey 76 Comment
  RSA534002  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5132 Los Angeles San Clemente Island: eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA0039734  Cryptantha intermedia var. intermedia Roxanne Smith 1991-4-30 6 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/4 mi. north of intersection Clear Crk. Cyn. Drive and Steep Cyn. Road. Comment
  RSA0075637  Cryptantha intermedia var. johnstonii Mary C. Hunter 1994-5-25 26 Los Angeles Altadena foothills; Top of Lake Ave; East of Lake Ave. Comment
  RSA725855  Cryptantha micrantha subsp. micrantha John 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
  RSA654033  Cryptantha micromeres Valerie L. Soza, Laura Moore 2000-5-10 854 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak 1936. 579 Comment
  RSA660820  Cryptantha microstachys LeRoy Gross 2001-5-27 422 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 427 Comment
  RSA682519  Cryptantha microstachys Scott D. White, Michael Honer 2003-5-7 9192 Los Angeles South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  UCR259157  Cryptantha microstachys R. G. Swinney 2010-8-30 13610 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCSB5601  Cryptantha microstachys B., K. 1943-6-22 Los Angeles Sycamore Flat trail, 1/2 mile above Sycamore Flat, San Dimas Experimental Forest, San Gabriel Mtns. Comment
  RSA802427  Cryptantha muricata Orlando Mistretta, Cher Batchelor 2011-7-27 5995 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  UCR127175  Cryptantha muricata A. C. Sanders, Mark A. Elvin 2003-6-20 27007 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  RSA0079394  Cryptantha muricata var. jonesii Pam De Vries 2011-5-4 7766 Los Angeles Southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita). 501 Comment
  UCR214385  Cryptantha nevadensis var. rigida A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37951 Los Angeles Tehachapi Mountains, Crane Canyon, 0.83 mi. SE (142 deg. ) of Castac Lake, 1.81 mi. NE (35 deg. ) of Gorman, just S of Kern Co. line 1128 Comment
  RSA643167  Cryptantha nevadensis var. rigida Orlando Mistretta 1994-4-15 1055 Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit; Santiago Creek Section. 1188 Comment
  SDSU21017  Cryptantha oxygona R. G. Swinney 2009-4-29 10580 Los Angeles Transverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence (Palmdale 7.5' +/- 1000m; T5N R11W S22). Broad wash bottom, low adjacent relief; creosote bush scrub and Joshua tree woodland with Tetradymia glabrata, Juniperus californica, Ephedra nevadensis, Encelia actoni, Hymenoclea salsola, Salazaria mexicana, Yucca brevifolia, Larrea tridentata, Quercus john-tuckeri. 945 Comment
  UCR153355  Cryptantha oxygona LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 841 Los Angeles Transverse Ranges/San Gabriel Mtns region, E side of Punchbowl Canyon 1585 Comment
  RSA756957  Cryptantha oxygona Orlando Mistretta, Christine Mistretta 2008-4-14 2454 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  JEPS67802  Cryptantha pterocarya Frank W. Peirson 1919-6-14 477 Los Angeles Rock Creek San Gabriel Mountains 1691 Comment
  RSA0079293  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-5-6 10677 Los Angeles San Gabriel Mtns./Western Mojave Desert: Carr Canyon at confluence with Little Rock Creek. 909 Comment
  UCR190350  Cryptantha pterocarya var. pterocarya R. G. Swinney 2001-6-16 7979 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
  UCR270499  Cryptantha pterocarya var. pterocarya R. G. Swinney 2011-4-1 14289 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
  POM3825  Cryptantha similis George B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson 1829 Comment
  UCR190886  Cryptantha similis R. G. Swinney 2001-4-18 7910 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  SBBG63965  Cryptantha simulans R. Hoffmann 1927-6-17 Los Angeles Pine Cyn Comment
  RSA232822  Cryptantha traskiae R. F. Thorne 1966-4-15 35992 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove), SW side of island 30 Comment
  SEINET10625758  Cucumis melo Heidi H. Schmidt 1999-10-14 Schmidt 3838 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  CHSC95352  Cupressus arizonica LeRoy Gross 2002-2-2 471 Los Angeles Los Angeles Basin; Verdugo Mountains Region: North side: Shaved off peak top with concrete foundation, just west of McGroarty Cross, (near Pasko Park) off of Verdugo Crestline Drive, east of Woodward Ave. (grown back and gone back to nature, but shown on The Thomas Guide, street guide and directory of 1999). South of Sunland-Tujunga and north of Verdugo Crestline Drive. 625 Comment
  UCR200690  Cupressus guadalupensis var. forbesii Steve Boyd 2004-4-15 10899 Los Angeles Transverse Ranges; Liebre Mountains region, Rowher Flats area, near off-highway vehicle staging areas at end of Angeles National Forest road 5N14 Comment
  CAS-BOT-BC224479  Cuscuta californica G. B. Grant 1901-5-18 s.n. Los Angeles Pasadena Comment
  UCR47257  Cuscuta californica A. C. Sanders 1987-6-10 7122 Los Angeles South Coast, Dunes at W end of the Los Angeles International Airport [LAX] 30 Comment
  RSA628304  Cuscuta californica var. californica L. C. Wheeler 1973-11-20 s.n. Los Angeles San Gabriel Mountains: Chaney Trail ca. 1/2 way up. Comment
  RSA594931  Cuscuta ceanothi Steve Boyd, Lauren Raz 1996-10-8 8997 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  IRVC27953  Cuscuta subinclusa A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27144 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  CDA33865  Cuscuta subinclusa Pat Akers 2008-9-1 PDR# 1440793 Los Angeles El Monte; On San Gabriel, north of Thienes 0 Comment
  CDA3127  Cycloloma atriplicifolium Henson, Goodwin 1932-7-6 Los Angeles 0 Comment
  SEINET10400893  Cylindropuntia echinocarpa Marc A. Baker, Bruce D. Parfitt 1987-4-15 7518 Los Angeles 1.3 km S of Pearblossom Hwy along 165th St. E.; ca. 4 km N. of Holcomb Ridge. 990 Comment
  UCR180181  Cynodon dactylon R. G. Swinney 1989-4-6 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, debris basin parking area 351 Comment
  RSA574268  Cynosurus echinatus Timothy S. Ross, Steve Boyd 1993-6-29 7383 Los Angeles Western San Gabriel Mountains: 530 m WNW of Wilson Canyon Saddle; 340 m NNE of the Radio Facility. 1000 Comment
  SD252218  Cyperus Steven A. Junak 1999-7-16 Sca 1048 Los Angeles Santa Catalina Island. Lower part of Cottonwood Canyon, just upstream from road to Ben Weston Beach. 29 Comment
  CATA1352  Cyperus eragrostis Mark L. Hoefs, Robert F. Thorne 1995-7-26 2459 Los Angeles Santa Catalina Island: Middle Canyon in stream bed just below reservoir 169 Comment
  UCR231391  Cyperus eragrostis Dan S. Cooper 2011-9-30 911- 128 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Royce Canyon 264 Comment
  SEINET7581650 Image available Cyperus eragrostis Louis C. Wheeler 1966-10-25 9081 Los Angeles San Gabriel Mountains, vicinity of E Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  CDA2586  Cyperus gracilis Tom Yutani 1983-9-2 Los Angeles Santa Monica. 0 Comment
  SBBG127973  Cyperus odoratus M. L. Hoefs, S. A. Junak 1996-7-9 2719 Los Angeles Middle Ranch Reservoir, Middle Cyn 201 Comment
  SBBG130604  Cyperus odoratus S. A. Junak 2000-10-12 SCa 1409 Los Angeles N side of Thompson Reservoir 195 Comment
  RSA0055951  Cystopteris fragilis Richard G. Swinney 2010-10-13 14013 Los Angeles San Gabriel Mountains: Lily Spring, within 100 meters of main spring. 2454 Comment
  UCR129691  Cystopteris fragilis R. F. Thorne 1971-6-30 40791 Los Angeles San Gabriel Mtns., south fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area 1555 Comment
  CAS-BOT-BC198207  Cytisus striatus R. Leen 1987-5-29 s.n. Los Angeles Tujunga Canyon along Highway 210 between Tuna Canyon Road and Lowell Avenue Comment
  UCD170925  Cytisus striatus A. C. Sanders; T. B. Salvato 2009-5-20 36864 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines NE of Plaza Dr., SE of Montebello Blvd. and SW of San Gabriel Blvd. 96 Comment
  UC1375434  Datisca glomerata Robert F. Thorne and C. W. Tilforth 1971-6-29 40713 Los Angeles along Aliso Creek at Tie Canyon where crossed by Angeles Forest Road Aliso Creek; San Gabriel Mountains, Angeles National Forest 1371 Comment
  CHSC95371  Datura wrightii LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 286 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 914 Comment
  RSA421877  Datura wrightii D. S. Krause 1939-07 s.n. Los Angeles Hillsides above La Canada Comment
  HSC21243  Datura wrightii C. E. Fellows 1965-9-3 122 Los Angeles 3/10 mi. W of Cold Creek Rd. on Mulholland Rd. Comment
  RSA421890  Datura wrightii E. Fitzgerald 1930-5-8 s.n. Los Angeles Sandy wash, Sunland Comment
  RSA596510  Datura wrightii Louis C. Wheeler 1966-11-19 9126 Los Angeles San Gabriel Mountains. Pacoima Canyon. Dillon Ranch Road at Little Tujunga Canyon Road. 747 Comment
  RSA648206  Datura wrightii Dan Milojevich 1981-5-15 41 Los Angeles 40 N. of Avocado orchard near Bld. 8, Cal Poly. Comment
  SEINET6168337  Datura wrightii N. K. Berg 1904-4-14 s.n. Los Angeles Santa Monica Comment
  SBBG52778  Daucus pusillus M. B. Dunkle 1939-4-6 Los Angeles Mosquito Harbor Comment
  SDSU2269  Daucus pusillus R. M. Beauchamp 1967-6-3 553 Los Angeles On south hillside above Horse Canyon, San Clemente Island. 427 Comment
  CAS-BOT-BC130924  Deinandra clementina Herman Knoche 1919-7-4 Series A, No. 983 Los Angeles Camp Mesquite, San Clemente Island Comment
  SBBG34796  Deinandra clementina S. A. Junak with M. L. Hoefs 1998-6-12 SCa 722 Los Angeles just W of N end of Catalina Harbor, just upslope from powerline 36 Comment
  UCD131052  Deinandra fasciculata Justin Albert 1993-5-4 s.n. Los Angeles Santa Monica Mtns., Granada Hills, 1/4 mile from intersection of Balboa and Sesnon. On the left hand trail from the right fork. Located about 5m. off the trail, about 100 m. from the fork. Comment
  UC2026453  Deinandra kelloggii Louis C. Wheeler 1965-6-21 8696 Los Angeles LIEBRE MOUNTAIN: Two Shay Ranch, Bouquet Canyon. Comment
  SBBG126972  Delphinium cardinale A. Parikh, N. Gale 2011-7-12 3554 Los Angeles West Fork San Gabriel River, 2.6 km W of St Hwy 39; San Gabriel Mtns 523 Comment
  UC450963  Delphinium cardinale F. A. MacF. 1931-6-24 2958 Los Angeles hillsides Verdugo Hills, Tuna Canyon Comment
  POM152  Delphinium cardinale C. Vesta Sturges 1908-6-6 s.n. Los Angeles Claremont. 400 Comment
  RSA394515  Delphinium cardinale V. V. Giles 1936-7-5 49 Los Angeles San Gabriel Mountains: Crystal Lake. Comment
  SEINET12099517  Delphinium decorum I. W. Clokey, Templeton, B. 1929-1 4433 Los Angeles Mandeville Canyon, Santa Monica Mts 425 Comment
  CAS-BOT-BC126744  Delphinium parishii R. G. Swinney 2009-5-12 10715 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  RSA398702  Delphinium parishii subsp. parishii Gale Sphon 1959-5-9 333 Los Angeles Big Rock Public Camp, Angeles National Forest. Comment
  RSA715156  Delphinium parryi A. C. Sanders, Mark A. Elvin 2003-4-14 25982 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  UC854178  Delphinium parryi John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island Comment
  LA212286  Delphinium parryi Carol Haines; 1964-5-23 s.n. Los Angeles 1 miles from beginning of Old Ridge Route. 426 Comment
  UCR124568  Delphinium patens subsp. montanum B. C. Templeton 1932-6-17 4914 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  LA200718  Dendromecon rigida Sharon Johnston; 1957-4-11 20 Los Angeles 548 Comment
  LA45871  Dendromecon rigida Doris L. Dow; 1940-5-1 34 Los Angeles Elizabeth Lake C Comment
  SFV15498  Dendromecon rigida E. J. Spencer 1992-3-9 13 Los Angeles San Gabriel Mountains Little Tujunga Canyon Road, just south of junction with Bear Canyon Divide Road. 732 Comment
  UC1563054  Descurainia pinnata Steve Boyd and Orlando Mistretta 1986-3-31 1546 Los Angeles 4 mi e Highway 138 junction with Highway 18 ne of Pinyon Hills (Highway 138); Mojave Desert Comment
  UCR131385  Descurainia pinnata Alison Lipman 1998-3-23 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA599612  Descurainia pinnata subsp. glabra Steve Boyd, Lauren Raz 1997-4-16 9506 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  RSA65821  Descurainia pinnata subsp. menziesii F. W. Peirson 1918-03 1900 Los Angeles At Altadena. 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
  RSA588141  Dicentra chrysantha Orlando Mistretta 1994-5-23 1232 Los Angeles Little Rock Creek, drainage E of Creek and N of Forest Rd. 4N15. 1311 Comment
  SD80984  Dicentra ochroleuca G. Zimmerman 1969-5-24 Los Angeles Mulholland Dr.; 6 miles west of San Diego Freeway, Santa Monica Mtns. 609 Comment
  UCR48043  Dicentra ochroleuca Kathy Harper 1987-5-2 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy, between Las Virgenes Valley Overlook [34 deg. 06' 07'N, 118 deg. 41' 37'W) and Yerba Buena Rd.; at Yerba Buena Road Comment
  RSA660833  Dichelostemma capitatum subsp. capitatum Gerald Braden, Lori Ackerman 1988-5-19 18 Los Angeles Strawberry Peak. Comment
  SBBG61166  Dicoria canescens R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  CAS-BOT-BC292136  Dicoria canescens Dr. A. Davidson 1892-1-1 s.n. Los Angeles At Los Angeles Comment
  UCR99343  Digitaria ischaemum L. C. Wheeler 1945-10-30 6163 Los Angeles San Gabriel Mtns, Kinneloa Canyon 366 Comment
  SEINET8044070 Image available Dimorphotheca sinuata R. G. Swinney 2010-1 11886 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  CAS-BOT-BC152904  Diplacus brevipes John H. Thomas 1957-5-25 6786 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 Comment
  CAS-BOT-BC150639  Diplacus longiflorus Le Roy Abrams 1899-3-30 329 Los Angeles Sepulveda [Canon] Canyon, S. Monica Mts. Comment
  CHSC95485  Diplacus longiflorus LeRoy Gross 2001-5-28 417 Los Angeles Los Angeles Basin region: Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. A small side canyon on the south side near the mouth of Henderson Canyon. 476 Comment
  CAS-BOT-BC150572  Diplacus parviflorus Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4421 Los Angeles San Clemente Island. E side of island, Bryce Cyn near Malo Point Comment
  CAS-BOT-BC150866  Diplacus puniceus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  CATA3371  Dissanthelium californicum Peter J. Dixon 2016-4-14 045 Los Angeles Santa Catalina Island: Isthmus area, Deer Springs watershed, 680 m north of Tower Peak 216 Comment
  RSA602954  Distichlis spicata var. stolonifera Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-11-9 2546 Los Angeles Santa Catalina Island. Lower road to Salta Verde Beach. 15 Comment
  UC673300  Dithyrea californica Herbert L. Mason 1926-4-27 3065 Los Angeles 30 mi w Victorville; Mohave Desert Comment
  LA35918  Dodecatheon clevelandii Peter H. Raven; 1960-4-2 14867 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, 2.6 mi N of Pacific Coast Hwy. 243 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
  UC195502  Draba corrugata unknown Jul 1916 Los Angeles Mt. San Antonio Comment
  CAS-BOT-BC41603  Draba corrugata var. corrugata R. J. Dobbs 1924-7-18 2921 Los Angeles Near top of Mount Islip. 2511 Comment
  CAS-BOT-BC157703  Drymocallis glandulosa var. glandulosa Dr. A. Davidson 1891-1-1 s.n. Los Angeles Los Angeles Comment
  RSA729699  Drymocallis glandulosa var. reflexa R. G. Swinney 1998-8-31 6873 Los Angeles San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy. 2378 Comment
  RSA747685  Drymocallis glandulosa var. viscida R. G. Swinney 2001-8-27 8107 Los Angeles Throop Peak, west of Mt. Baden-Powell. 2780 Comment
Read comments
Oct 25 2012
  LA1776  Dryopteris arguta M. E. Jones; 1928-5-3 sn Los Angeles SANTA MONICA MOUNTAINS, Santa Monica. Comment
  LA2193  Dryopteris arguta E. Lloyd; 1933-4-1 sn Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon Comment
  CAS-BOT-BC67903  Dryopteris arguta M. N. Ackley 1936-2-1 s.n. Los Angeles Malibu Hills Comment
  RSA650214  Dryopteris arguta Jerry Davids 1949-2-2 s.n. Los Angeles Collected- Cal Poly campus. 182 Comment
  RSA762066  Dryopteris arguta Orlando Mistretta, Christine Mistretta 2008-5-16 3091 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 107 per TRTP Survey 2008), Upper Fish Canyon 1073 Comment
  RSA423509  Dudleya cymosa subsp. pumila L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA598224  Dudleya hassei James C. Dice, M. Donoghue 1983-5-20 346 Los Angeles Santa Catalina Island. NE facing slope above Pebbly Beach Dr. between Avalon Bay and Abalone Point. 23 Comment
  UCR258931  Dudleya lanceolata R. G. Swinney 2010-5-7 12614 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  RSA423506  Dudleya lanceolata Kessler 1930-1 s.n. Los Angeles Fish Canyon Comment
  RSA9668  Dudleya multicaulis L. C. Wheeler 1932-5-8 695 Los Angeles Puddingstone Dam; San Jose Hills 304 Comment
  SEINET8044387 Image available Dudleya virens Reid Moran 1972-1 19143 Los Angeles Sea bluffs just E of Pt. Vicente. 50 Comment
  CAS-BOT-BC109754  Dudleya virens subsp. insularis C. B. Wolf 1932-5-12 3588 Los Angeles Santa Catalina Island. 0.75 mile from Little Harbor, in gorge parallel to Isthmus Road. 30 Comment
  SEINET13311319  Dudleya virens subsp. insularis Reid Moran 1972-5-27 19143 Los Angeles Just east of Pt. Vicente 5 Comment
  SFV12544  Eclipta prostrata M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-20 857 Los Angeles San Fernando Valley Big Tujunga Wash,, on mud flats just behind Hansen Dam. 305 Comment
  POM356594  Eclipta prostrata F. R. Fosberg 1930-10-18 4108 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  RSA0115452  Ehrharta calycina R. G. Swinney 2010-5-25 12909 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA594450  Ehrharta erecta D. L. Banks 1996-1-31 861 Los Angeles Claremont; Oakwood Apartments; 580 S. Bucknell Avenue; NW side of building in landscape plantings. Comment
  UC1922954  Ehrharta erecta LeRoy Gross, R. E. Riefner Jr. 2007-6-25 2828 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southeast side of the San Rafael Hills: Behind a power substation, below dam wall of a small pond. At end of Wierfield Drive. Near 305 Comment
  SD215477  Elaeagnus angustifolia Timothy S. Ross, Steve Boyd 1990-6-18 3496 Los Angeles Big Pines Highway: Roadside circa 900meter East-southeast from Jackson Lake, just on the West side of upper Mescal Creek drainage. 1876 Comment
  RSA0087304  Eleocharis R. G. Swinney 2010-9-13 13820 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  UCR253384  Eleocharis R. G. Swinney 2010-9-1 13658 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA727268  Eleocharis acicularis var. acicularis R. G. Swinney 1997-6-19 5612 Los Angeles San Gabriel Mtns.: SE end of Jackson Lake, west of Wrightwood 1872 Comment
  JEPS45929  Eleocharis macrostachya Louis C. Wheeler 1934-5-14 2591 Los Angeles San Dimas Canyon San Gabriel Mountains 441 Comment
  JEPS45926  Eleocharis montevidensis Louis C. Wheeler 1934-5-14 2592 Los Angeles mouth of San Dimas Canyon San Gabriel Mountains 441 Comment
  RSA365463  Eleocharis montevidensis L. C. Wheeler 1934-5-14 2592 Los Angeles Sunny seasonal stream in meadow near mouth San Dimas Canyon, San Gabriel Mtns. 441 Comment
  RSA365445  Eleocharis montevidensis var. montevidensis Robert Gustafson 1981-4-29 2231 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA602451  Eleocharis parishii Scott D. White 1997-5-14 5127 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  RSA729330  Eleocharis parishii R. G. Swinney 1999-6-30 7472 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. Riparian zone with Alnus rhombifolia, surrounded by pinyon-juniper woodland. 1561 Comment
  CAS-BOT-BC451521  Elodea canadensis Louis C. Wheeler 1933-12-13 2325 Los Angeles San Dimas Canyon Dam, San Gabriel Mts. 411 Comment
  RSA624019  Elymus K. Scott 1921-4-20 165 Los Angeles Occidental College Campus, Highland Park Comment
  SBBG119037  Elymus elymoides G. D. Wallace 1982-4-26 1948 Los Angeles Ft Tejon Rd Comment
  RSA773823  Elymus glaucus R. G. Swinney 2009-6-3 11033 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA647807  Elymus glaucus subsp. glaucus LeRoy Gross, Laura Moore 2000-6-5 231 Los Angeles Short distance south from La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land 488 Comment
  RSA597734  Elymus trachycaulus subsp. subsecundus Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3790 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  CAS-BOT-BC204363  Elymus trachycaulus subsp. trachycaulus I. M. Johnston 1917-7-28 1512 Los Angeles San Antonio Mountains. N. Fk. San Antonio Canon [Canyon] 2438 Comment
  RSA719737  Elymus trachycaulus subsp. trachycaulus R. G. Swinney 1996-8-7 5220 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  UCR204055  Elymus triticoides R. G. Swinney 2005-7-8 8277 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  RSA609968  Emex spinosa Louis C. Wheeler 1970-5-14 s.n. Los Angeles Watts: 103rd Street and Grandee Street. Comment
  POM305408  Emmenanthe penduliflora Henry J. Ramsey, Henry J. Ramsey 1937-5-16 692 Los Angeles Altadena, North Craig Avenue. 396 Comment
  SBBG133010  Emmenanthe penduliflora E. Howe, K. Merrill, E. Havstad 2013-4-6 13 -13 Los Angeles China Cyn 288 Comment
  SFV2955  Emmenanthe penduliflora K. A. Wilson 1961-4-26 1159 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. 610 Comment
  RSA660093  Emmenanthe penduliflora var. penduliflora Orlando Mistretta 1992-6-12 543 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR280535  Encelia actoni R. G. Swinney 2014-4-10 16027 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
  CAS-BOT-BC131208  Encelia californica Peter H. Raven 1959-4-4 13946 Los Angeles East of Zuma Beach, Point Dume 10 Comment
  SBBG121470  Encelia californica R. Burgess, P. Munro 1998-1-25 2633 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  UCR129429  Encelia californica A. C. Sanders, Mark Elvin 2002-6-20 25206 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR261126  Encelia californica R. G. Swinney 2010-2-27 11722 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
  UCR258725  Ephedra nevadensis R. G. Swinney 2010-5-19 12836 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  POM156720  Epilobium angustifolium subsp. circumvagum L. R. Abrams 1902-7-12 2709 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  CAS-BOT-BC166219  Epilobium canum subsp. canum F. Grinnell Jr. 1917-8-12 s.n. Los Angeles Big Santa Anita [Canon] Canyon, San Gabriel Mountains 1127 Comment
Read comments
Jul 25 2017
  RSA588404  Epilobium canum subsp. canum H. L. Bauer 1932-10-15 s.n. Los Angeles Topango [Topanga] Canyon. Comment
Read comments
May 29 2014
  RSA588445  Epilobium canum subsp. canum F. H. Elmore 1939-11-26 s.n. Los Angeles Wilson Cove, San Clemente Island Comment
  RSA595642  Epilobium canum subsp. canum Steve Boyd, Lauren Raz 1996-10-8 9005 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 0.9 miles south of junction with Forest Service Road 6N08. 561 Comment
  RSA0116571  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-30 13932 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
  RSA652549  Epilobium canum subsp. latifolium Marion P. Harthill 1971-9-25 586 Los Angeles Baden Powell, Angeles National Forest. Comment
  RSA72098  Epilobium canum subsp. latifolium F. W. Peirson 1923-9-1 4027 Los Angeles San Gabriel Mts. Saw Mill Canyon at west end of Swartout Valley. 2012 Comment
  RSA0069202  Epilobium ciliatum R. G. Swinney 2010-9-9 13774 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  UCR210713  Epilobium ciliatum R. G. Swinney 2008-9-10 9419 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  RSA586816  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Steve D. Boyd 1994-6-21 1383 Los Angeles San Gabriel Mountains, Santiago canyon, drainage northwest of Pacifico Mountain. 1646 Comment
  UCR108658  Epilobium ciliatum subsp. ciliatum L. C. Wheeler 1966-8-21 8824 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  SD237533  Epilobium pygmaeum A. C. Sanders, Dan S. Cooper 2010-4-30 38147 Los Angeles South Coat: Madrona Marsh, Torrance. Former oil field with gravel service road remnants. 24 Comment
  RSA381699  Epipactis gigantea George Henry Grinnell 1924-5-28 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA729391  Epipactis gigantea Richard G. Swinney 1998-7-21 6474 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  POM308103  Epipactis gigantea Henry J. Ramsey, Henry J. Ramsey 1937-7-18 2947 Los Angeles Soldiers Creek, San Gabriel Mountains Comment
  RSA629738  Equisetum hyemale var. affine L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains: Graveyard Canyon, second side canyon.. . Comment
  LA94014  Equisetum laevigatum Lawrence L. Kiefer; 1966-3-27 1805 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 2 mi above Sunset Blvd. 243 Comment
  RSA617454  Equisetum laevigatum L. C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  RSA684616  Equisetum laevigatum B. C. Templeton 1932-7-20 5011 Los Angeles Big Pines Park 2092 Comment
  RSA684619  Equisetum laevigatum F. R. Fosberg 1931-4-15 R- 90 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  CAS-BOT-BC204479  Eragrostis cilianensis Peter H. Raven 1961-9-24 16751 Los Angeles Bouquet Reservoir 914 Comment
  RSA723065  Eragrostis cilianensis LeRoy Gross 2007-5-16 2733 Los Angeles Southern side of the range: Near parking area for the trails to hike out of Wildwood Canyon. 427 Comment
  POM114646  Eragrostis mexicana subsp. mexicana H. E. Hasse 1890-05 s.n. Los Angeles [No further locality information] Comment
  CAS-BOT-BC204583  Eragrostis mexicana subsp. virescens Ralph Hoffmann 1929-10-27 s.n. Los Angeles Field 5 miles n. of Saugus Comment
  UCR163174  Eragrostis pectinacea var. pectinacea Anuja Parikh, Nathan Gale 2004-6-2 2027 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  RSA680166  Eremalche exilis Scott D. White 2003-6-8 9517 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  UC634850  Eremalche exilis H. L. Mason 1926-4-26 2985 Los Angeles desert slopes from Vincent to Palmdale Comment
  SEINET3164604  Eremocarpus setiger G. B. Grant 1904-9-1 445 Los Angeles from Pasadena Comment
  RSA609112  Eremocarpus setiger L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Loop Canyon. 1127 Comment
  UCD98131  Eremogone macradenia Susan Hutchinson 1930-6-11 s.n. Los Angeles Mohave Desert, near Lancaster. 731 Comment
  JEPS116899  Eriastrum densifolium David Gowen 2008-6-20 955 Los Angeles Plum Canyon Road at drainage from north, just southwest of following coordinates. Comment
  CAS-BOT-BC514369  Eriastrum densifolium subsp. elongatum Ernest C. Twisselmann 1955-8-10 2327 Los Angeles San Emigdio Range: Upper Castaic Valley 1226 Comment
  UCSB46871  Eriastrum eremicum Lawrence, M. 1982-5-20 Los Angeles Junction of Interstate 5 and Hungry Valley Road. 2 miles south of Tejon Pass 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
  RSA0122858  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1998-6-12 6964 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
  RSA0103452  Eriastrum sapphirinum subsp. brevibracteatum Anstruther Davidson 1892-7-11 s.n. Los Angeles Lancaster. Comment
  SBBG127063  Eriastrum sapphirinum subsp. dasyanthum A. Parikh, N. Gale 2011-6-11 3451 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1 km N of Aliso Cyn Rd; San Gabriel Mtns 1190 Comment
  RSA0123073  Eriastrum sapphirinum subsp. dasyanthum Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA160442  Ericameria cooperi J. D. Olmsted 1959-4-25 483 Los Angeles 1 mile NNE of Valyermo P. O. along Holcomb ridge, east of Wrightwood-Pearblossom road; Mt. Range: San Gabriels; Drainage area: Big Rock Creek. 1082 Comment
  SD90390  Ericameria cooperi var. cooperi Robert F. Thorne 1973-5-11 43493 Los Angeles San Gabriel Mountains; 0.5 mile north of Bob's Gap, nborth slope of Holcomb Ridge. 1160 Comment
  HSC5748  Ericameria linearifolia L. S. Rose 1968-4-5 68016 Los Angeles Acton 823 Comment
  RSA0085503  Ericameria linearifolia R. G. Swinney 2010-6-1 13123 Los Angeles Lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  RSA34906  Ericameria linearifolia D. F. Howe 1947-5-5 s.n. Los Angeles San Gabriel Mts. Comment
  UC1118733  Ericameria linearifolia N. French 1934-5-11 346 Los Angeles 1 mi ne of Ravenna; Tujunga Quadrangle Comment
  UC1478731  Ericameria linearifolia J. Douglas Ripley 1971-4-25 1917 Los Angeles Willow Springs area Mojave Desert, Granite Mountains (central Mojave Desert) 1219 Comment
  UCR258714  Ericameria linearifolia R. G. Swinney 2010-5-19 12820 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR240026  Ericameria nauseosa R. G. Swinney 2009-11-13 11600 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  CAS-BOT-BC298900  Ericameria nauseosa var. bernardina Marcus E. Jones 1926-9-12 s.n. Los Angeles Swartout Valley, San Gabriel Mts Comment
  SFV18292  Ericameria nauseosa var. hololeuca J. N. Hogue 2001-7-27 164 .1 Los Angeles San Gabriel Mountains Camp Cumorah Crest, 3 km northeast of Newcomb Ranch. 1860 Comment
  LA200227  Ericameria palmeri var. pachylepis Louis Wheeler; 1931-10-16 254 Los Angeles University of California, Los Angeles, UCLA Campus Comment
  POM182357  Ericameria palmeri var. pachylepis J. Ewan 1931-10-24 5288 Los Angeles Dume - La Sierra Canyon Divide. Santa Monica Mts. 518 Comment
  SBBG62870  Ericameria palmeri var. pachylepis R. Hoffmann 1928-6-27 Los Angeles ca. 2 mi S of Castaic Comment
  JEPS30502  Ericameria parishii var. parishii Peter H. Raven and Henry J. Thompson 1959-10-31 14722 Los Angeles 5.8 mi n Sunset Boulevard; Santa Monica Mountains, Mandeville Canyon 365 Comment
  RSA549232  Ericameria pinifolia Scott D. White 1992-10-8 882 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
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Sep 21 2017
  SBBG62809  Ericameria pinifolia R. Hoffmann 1928-9-11 Los Angeles ca. 5 mi E of Saugus Comment
  UC1118801  Ericameria pinifolia A. Lewis 1933-5-1 204 Los Angeles San Francisquito Canyon Elizabeth Lake Quad., San Francisquito Canyon 914 Comment
  CAS-BOT-BC294827  Erigeron breweri var. covillei Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3748 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  SD262189  Erigeron foliosus Mitch Provance 2017-6-30 617 35 Los Angeles Catalina Island: Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  LA200193  Erigeron foliosus var. foliosus Jonathan Sauer; David McJunkin 1977-5-29 5977 Los Angeles Santa Monica Mountains, Tuna Canyon, nonspecific Comment
  UC31478  Erigeron foliosus var. franciscensis J. H. Barber 1897-4-9 Los Angeles Santa Monica Canon Comment
  POM357477  Erigeron foliosus var. stenophyllus Robert Gustafson 1978-6-21 1026 Los Angeles Lower Hungry Valley, near the Canada de Los Alamos, about 4 mi. south of Gorman. 915 Comment
  HSC13528  Eriodictyon crassifolium C. S. Apperson 1967-6-15 Los Angeles 1.0 mi. down Canton Canyon Trail from the Townsend Park Rd. Comment
  SFV16064  Eriodictyon crassifolium P. W. Byrne, H. Levin 1994-4-23 17 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  SEINET6046086  Eriodictyon crassifolium Louis C. Wheeler 1967-5-23 9689 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC189190  Eriodictyon crassifolium var. nigrescens Alice Eastwood; John Thomas Howell 1937-4-26 3947 Los Angeles Mint Canyon Comment
  LA200560  Eriodictyon crassifolium var. nigrescens A. M. Johnson; 1934-3-16 4366 Los Angeles Simi Hills-Santa Susana Mountains, Santa Susana Pass, beyond Chatsworth, summit of pass Comment
  RSA582246  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1936-7-1 4204 Los Angeles Bell Canyon. 945 Comment
  UCR125932  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark Elvin 2002-6-19 25193 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR271526  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-31 14901 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  CAS-BOT-BC188951  Eriodictyon parryi G. B. Grant 1901-5-23 11761 Los Angeles Above Alpine Tavern, Mount Lowe 1584 Comment
  UC1369825  Eriodictyon traskiae Robert F. Thorne and D. Propst 1968-5-29 37694 Los Angeles on n slope Black Jack Mt. (at upper end Swain's Canyon toward Echo Lake); Santa Catalina Island, n slope Black Jack Mt., Echo Lake 396 Comment
  RSA658375  Eriodictyon trichocalyx Naomi Zohman 1985-4-28 16 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  RSA0091095  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2011-6-29 15355 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA455088  Eriodictyon trichocalyx var. trichocalyx Mildred E. Mathias 1931-6-23 S 5310 Los Angeles San Antonio Falls, Mt. San Antonio Comment
  RSA783132  Eriogonum J. D. Olmsted 1959-9-21 973 Los Angeles 1/2 mi SW of intersection of roads from Tanbark Flat and Glendora Mt. Rd. along Rd. from Big Dalton dam, San Dimas Experimental Forest. 823 Comment
  RSA640934  Eriogonum angulosum Louis C. Wheeler 1967-7-23 10177 Los Angeles San Gabriel Mountains. Mojave Desert slope: pond 1/2 mi W from Barrel Springs, San Andreas Rift Zone. Comment
  UCR180580  Eriogonum angulosum Scott D. White, Pam Devries 2006-5-10 11452 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
  UCR215348  Eriogonum angulosum Michael Honer, Crissy Slaughter, Julie Love 2009-4-29 3288 Los Angeles Western Mojave Desert, Antelope Valley; 0.75 mi. north of Hwy 138, 1.2 miles east of 170th St. 793 Comment
  RSA755727  Eriogonum baileyi R. G. Swinney 2008-10-7 9478 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA603816  Eriogonum baileyi var. baileyi Steve Boyd 1997-9-10 10032 Los Angeles Liebre Mountains Region: High point of Liebre Mountain near old radio tower site, at divide between Horse Camp Canyon and Castaic Creek watershed. 1744 Comment
  RSA0034246  Eriogonum brachyanthum Bonnie C. Templeton 1971-6-16 11618 Los Angeles About 7 mi. NE of Palmdale. 815 Comment
  CAS-BOT-BC244063  Eriogonum brachyanthum Oliver 1916-1-1 s.n. Los Angeles Antelope Valley Comment
  RSA766377  Eriogonum cinereum Joseph A. Ewan 1929-8-17 1504 Los Angeles Trancas Canyon, near Point Dume. Santa Monica Mountains. 8 Comment
  HSC17388  Eriogonum cithariforme C. E. Fellows 1965-9-3 124 Los Angeles 3/10 mi. W of Cold Creek Rd. on Mulholland Rd. Comment
  UC1537290  Eriogonum clavatum Gordon H. True Jr. 1936-5-16 295 Los Angeles 4 mi s Palmdale (head of Mint Canyon); Mint Canyon 914 Comment
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Dec 22 2020
  CAS-BOT-BC242777  Eriogonum davidsonii LeRoy Abrams 1902-6-29 2592 Los Angeles Mt Wilson Comment
  RSA766420  Eriogonum davidsonii Joseph A. Ewan 1936-8-6 9978 Los Angeles Upper Cedar Canyon off Mescal Canyon. San Gabriel Mtns. 1982 Comment
  CAS-BOT-BC242756  Eriogonum davidsonii Joseph Andorfer Ewan 1932-6-12 7367 Los Angeles North Fork Tujunga Creek, San Gabriel Mts. 914 Comment
  POM184684  Eriogonum davidsonii Joseph A. Ewan 1932-6-12 7367 Los Angeles San Gabriel Mountains: 1/4 mi above North Fork Camp, N.F. Tujunga Creek 915 Comment
  RSA755174  Eriogonum davidsonii Robert F. Thorne, M. Z. Thorne 1969-7-10 38398 Los Angeles San Gabriel Mts., Angeles National Forest: along Mescal Creek 2027 Comment
  SDSU6568  Eriogonum elongatum J. E. Fitch 1940-10-26 Los Angeles Claremont. Comment
  CHSC36043  Eriogonum elongatum var. elongatum James Henrickson 1972-11-2 8098 Los Angeles 8 mi. NW of Newhall, ca. 1 mi. W. of Hwy. 5 on grassy slopes above Hasley Cyn. Rd. 365 Comment
  RSA292657  Eriogonum elongatum var. elongatum James Henrickson 1972-11-2 8083 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. 372 Comment
  RSA522936  Eriogonum elongatum var. elongatum Tim S. Ross, Orlando Mistretta 1990-10-24 3298 Los Angeles San Gabriel Mountains: between Venedo and Minero Canyons, 0.6 mi E of the San Gabriel Reservoir. 745 Comment
  SD108962  Eriogonum elongatum var. elongatum James Henrickson 1972-11-2 8083 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. 372 Comment
  UC1032004  Eriogonum elongatum var. elongatum G. E. Sindel 1935-1-16 118 Los Angeles 4 mi s Neenach; Angeles National Forest, Tejon Quadrangle Comment
  RSA393301  Eriogonum elongatum var. elongatum M. Bisbee 1917-9-20 148 Los Angeles North hills, Eagle Rock Comment
  UCR259098  Eriogonum fasciculatum subsp. polifolium Mitch Provance, Callen Huff 2009-4-29 10688 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  LA52257  Eriogonum fasciculatum var. fasciculatum Harlan Lewis; 1940-2-24 1086 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  POM279961  Eriogonum fasciculatum var. foliolosum Lyman Benson 1933-11-12 5731 Los Angeles Westwood, Beverly Hills. 122 Comment
  RSA0106499  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2011-10-18 15835 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA393464  Eriogonum fasciculatum var. polifolium Roger Minahan 1934-06 s.n. Los Angeles Valyermo, San Gabriel Mountains. Comment
  SBBG62071  Eriogonum fasciculatum var. polifolium R. Hoffmann 1927-6-14 Los Angeles E end of Pine Cyn Comment
  SD21296  Eriogonum giganteum var. giganteum Norman E. Bilderback 1938-4-17 Los Angeles Avalon Comment
  SD85199  Eriogonum giganteum var. giganteum E. R. Blakley 1962-10-3 5375 Los Angeles Common, sun, rocky clay soil, banks around Wrigley Reservoir, summit of island road. Santa Catalina Island 424 Comment
  UC1930069  Eriogonum gracile Scott D. White, Michael Honer 2003-6-11 9538 Los Angeles LIEBRE MOUNTAINS: Tapia Canyon. About 2 air miles east of Interstate 5 junction at Old Ridge Route. (Newhall) Comment
  RSA393232  Eriogonum gracile var. gracile Bonnie C. Templeton 1939-9-6 s.n. Los Angeles Playa del Rey. 40 Comment
  UCR110470  Eriogonum gracillimum Sue Bell 1998-5-2 331 Los Angeles Mojave Desert, Lake Los Angeles, 2 miles south of Antelope Valley Indian Museum 825 Comment
  SBBG62156  Eriogonum heermannii V. Duran 1933-8-10 3545 Los Angeles South Fk Big Rock Crk 1394 Comment
  CAS-BOT-BC261171  Eriogonum heermannii var. heermannii C. B. Wolf 1931-11-8 1430 Los Angeles Big Rock Creek, Desert Slope of San Gabriel Mts., 1/8 mile below Big Rock Ranger Station 1066 Comment
  UCR238646  Eriogonum hirtiflorum Anuja Parikh, Nathan Gale 2010-6-18 3339 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
  JEPS57520  Eriogonum inerme Ralph Hoffmann 1927-6-14 1407 Los Angeles near Neenach; Antelope Valley, Pine Canyon Comment
  RSA680169  Eriogonum mohavense Scott D. White 2003-6-8 9514 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  SBBG44386  Eriogonum mohavense G. Sphon, D. Hearn 1956-5-30 13 Los Angeles Black Butte Comment
  LA39064  Eriogonum nudum var. pauciflorum H. Lewis; 1940-8-5 sn Los Angeles San Gabriel Mountains, Charleston Flats 1371 Comment
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Feb 17 2015
  CAS-BOT-BC227685  Eriogonum nudum var. pauciflorum Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8138 Los Angeles Liebre Mountains. Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  POM158213  Eriogonum nudum var. pauciflorum P. A. Munz, I. M. Johnston 1928-9-5 11188 Los Angeles Swartout Valley, San Gabriel Mountains 1982 Comment
  RSA660160  Eriogonum nudum var. pauciflorum Orlando Mistretta 1992-5-25 424 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  RSA766390  Eriogonum plumatella Joseph A. Ewan 1927-10-16 1515 Los Angeles Five miles west of Palmdale 854 Comment
  CAS-BOT-BC258232  Eriogonum pusillum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3744 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  RSA586678  Eriogonum pusillum Orlando Mistretta, Mark A. Elvin 1995-5-10 1704 A Los Angeles San Gabriel Mts. Bare Mountains Canyon. West Fork. 1250 Comment
  SBBG65435  Eriogonum reniforme R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  UCR270253  Eriogonum saxatile R. G. Swinney 2011-10-10 15736 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  RSA0099412  Eriogonum umbellatum var. minus R. G. Swinney 2011-8-5 15593 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
  UCR209618  Eriogonum umbellatum var. minus R. G. Swinney 2008-7-3 9145 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  CAS-BOT-BC268211  Eriogonum umbellatum var. munzii Dr. H. E. Hasse 1893-8-1 s.n. Los Angeles Acton Comment
  SEINET6046032  Eriogonum wrightii Louis Wheeler 1968-7-23 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  POM4920  Eriophyllum confertiflorum M. Hitchcock 1918-7-3 36 Los Angeles Topango [Topanga] Canyon, Santa Monica Mountains. Comment
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May 29 2014
  SBBG98517  Eriophyllum confertiflorum var. confertiflorum T. Ross 1991-5-23 5488 Los Angeles lower Tota Cyn 60 Comment
  SEINET3146676  Eriophyllum confertiflorum var. confertiflorum G. B. Grant 409 Los Angeles Pasadena Comment
  SD45602  Eriophyllum confertiflorum var. trifidum Darley F. Howe 1953-5-3 Los Angeles Santa Catalina Island, hillside at mouth of Wain Canyon. Comment
  SEINET7067000  Eriophyllum lanatum J. L. Crane, Payam M. Fallah 2003-7-9 Mar- 79 Los Angeles Along the Angeles Crest highway (Route 2). San Gabriel Mountains. Coordinate datum: NAD27. UTM Zone 11, 431889mE, 3803999mN. Comment
  RSA526572  Eriophyllum nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4280 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  RSA719028  Eriophyllum pringlei R. G. Swinney 1998-4-14 5974 Los Angeles Pinyon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands. 1299 Comment
  UCR194842  Eriophyllum pringlei R. G. Swinney 1999-5-1 7093 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  UCR269987  Eriophyllum wallacei R. G. Swinney 2010-5-19 12800 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  SFV20810  Erodium botrys L. Gross, N. Fraga 2002-4-4 504 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 606 Comment
  CAS-BOT-BC168145  Erodium cicutarium Timothy S. Ross; Steve Boyd 1994-5-4 7638 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  RSA612653  Erodium cicutarium Damian Ross 1997-3-8 2 Los Angeles Bernard Biological Field Station Claremont Colleges. Just west of Infirmary Rd., about 1/2 distance between Foothill Blvd. and former Infirmary building (single patch). 412 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
  UCR219559  Erodium cicutarium R. G. Swinney 2009-3-28 10210 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
  UCSB10224  Erodium cicutarium Garrett, S. 1956-4-13 Los Angeles On sandy desert at foot of Mtns; l6 mi E. of Little Rock & 6 mi. from Llano Comment
  IRVC28211  Erodium macrophyllum A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26263 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 442 Comment
  RSA592167  Erodium moschatum Louis C. Wheeler 1967-5-7 9292 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  UCR209935  Erysimum capitatum R. G. Swinney 2008-7-15 9214 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA0056534  Erysimum capitatum Orlando Mistretta 1992-5-16 17 Los Angeles Vicinity of Big Pines; Head of Swarthout Valley; Mountain High Ski area, San Gabriel Mountains region. Comment
  JEPS53579  Erysimum capitatum var. capitatum Frank W. Peirson 1919-3-27 337 Los Angeles Arroyo Seco Canyon San Gabriel Mountains 411 Comment
  RSA654646  Erysimum capitatum var. capitatum Fred Brooks, P. Sobkowiak 1988-4-23 15 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  CAS-BOT-BC55207  Erysimum suffrutescens Le Roy Abrams 1901-4-1 1200 Los Angeles Ballona Harbor. Comment
  SD41965  Erysimum suffrutescens Darley F. Howe 1947-3-23 1521 Los Angeles El Segundo beach Comment
  UC129363  Eschscholzia Geo. B. Grant 1894-3 419 a Los Angeles Santa Catalina Island Comment
  UC187405  Eschscholzia Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC403159  Eschscholzia californica Peter H. Raven 1962-5-22 17834 Los Angeles Santa Catalina Island: first canyon west of Lions Head Point 51 Comment
  SBBG70146  Eschscholzia californica R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  UC855150  Eschscholzia californica I. W. Clokey 1942-4-19 5973 Los Angeles West Arcadia 250 Comment
  UCR271069  Eschscholzia californica R. G. Swinney 2011-4-28 14544 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  RSA0008255  Eschscholzia californica Sara L. Crockett 1997-4-2 644 Los Angeles Santa Catalina Island. Middle Canyon, 2.5 miles NE of jct. with Skull Canyon Road; E side of road. 299 Comment
  POM243801  Eschscholzia californica var. peninsularis F. R. Fosberg 1931-4-16 4650 Los Angeles Eagle Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  CAS-BOT-BC5928  Eschscholzia minutiflora Samuel Bonsal Parish 1887-6-1 1951 Los Angeles Alpine Comment
  SBBG128384  Eschscholzia ramosa M. L. Hoefs 1991-4-16 1100 Los Angeles Renton Mine Rd 249 Comment
  UCSB43818  Eschscholzia ramosa Morales, M. 1982-4-17 Los Angeles On Renton Mine Road; .6 miles south of junction; with Mt. Ada Road; Santa Catalina Island 167 Comment
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Dec 8 2014
  RSA0010846  Eucalyptus camaldulensis R. G. Swinney 1999-4-8 7071 Los Angeles Claremont, north of Via Santa Catarina and Mountain Ave. 488 Comment
  UCR188653  Eucalyptus camaldulensis R. G. Swinney 1990-4-28 1576 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora; at the east boundary of the South Hills Park, in a canyon running east-west 305 Comment
  SD248455  Eucalyptus cornuta R. E. Riefner Jr. 2007-3-10 07 122 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, N of Palos Verdes Drive West, Malaga Creek, Via Alar at Via Corta. 41 Comment
  CHSC95746  Eucalyptus robusta LeRoy Gross 2003-2-22 740 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. At end of road. 287 Comment
  CDA9421  Eucrypta chrysanthemifolia D. G. Kelch 1991-3-23 s.n. Los Angeles Catalina Island. East of Avalon. Comment
  CHSC36433  Eucrypta chrysanthemifolia Arthur W. Dawson 1982-4-11 3 Los Angeles Roadside ca. 2 m n of Tuna Canyon Rd. and ca. 1.0 km n of Pacific Coast Highway, ca. 6.0 air km w of Pacific Palisades. 65 Comment
  RSA0115828  Eucrypta chrysanthemifolia R. G. Swinney 2011-3-29 14244 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
  RSA420814  Eucrypta chrysanthemifolia F. R. Fosberg 1931-3-27 4412 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island 60 Comment
  UCR165419  Eucrypta chrysanthemifolia A. C. Sanders, Helen Kennedy 2005-4-13 29489 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  RSA420825  Eucrypta chrysanthemifolia H. L. Bauer 1932-03 1538 Los Angeles Santa Monica Mts. 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
  UCR281335  Eucrypta chrysanthemifolia var. chrysanthemifolia R. G. Swinney 2014-5-21 16627 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
  UCR152537  Euphorbia albomarginata A. C. Sanders, Lee Jones 2005-4-8 29336 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR43323  Euphorbia albomarginata David Charlton 1986-6-15 309 Los Angeles San Gabriel Mtns., Mile High, intersection of Swarthout Canyon Road and Largo Vista Road (N4) 1067 Comment
  UCR105728  Euphorbia esula L. C. Wheeler 1974-5-19 s.n. Los Angeles City of Pasadena, S edge of Kinneloa Mesa by New York Avenue. 293 Comment
  UCD142590  Euphorbia maculata S. I. Apfelbaum 1980-9-26 23 Los Angeles International airport. Comment
  RSA729587  Euphorbia palmeri R. G. Swinney 1999-6-30 7486 Los Angeles San Gabriel Mtns.: Grand View Canyon, c. 1.1 mi. north of Big Pines hwy at All Nation Camp 1585 Comment
  RSA720156  Euphorbia peplus LeRoy Gross 2007-4-21 2648 Los Angeles East end of the range; Small canyon or draw. End of Capistrano Ave. just pass the intersection with El Rito Ave. City of Glendale. 336 Comment
  RSA585026  Euphorbia peplus T. S. Ross 1991-11-15 s.n Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  RSA600890  Euphorbia peplus L. C. Wheeler 1946-4-14 6183 Los Angeles San Gabriel Mountains. Fish Canyon ca. one mile downstream from falls. 396 Comment
  UCSB18973  Euphorbia peplus Keefe, Joseph 1962-12-25 Los Angeles 325 West Norman Avenue, West Arcadia Comment
  CAS-BOT-BC312241  Euthamia occidentalis I. M. Johnston 1917-8-22 1674 Los Angeles Prairie Fk of San Gabriel R., San Antonio Mountains 1524 Comment
  UCR191720  Festuca microstachys var. pauciflora A. C. Sanders 2008-4-11 34865 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  UCR220348  Festuca myuros R. G. Swinney 2009-4-13 10318 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR259643  Festuca myuros R. G. Swinney 2010-4-1 12126 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
  OBI21826  Festuca octoflora Leo Whitney 1935-3-29 3011 b Los Angeles 20 mi W of Lancaster Comment
  RSA616311  Filago californica Scott D. White, Pam De Vries 1998-4-20 6308 Los Angeles Liebre Mts., Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  RSA747055  Filago gallica R. G. Swinney 2008-5-30 8885 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR150902  Filago gallica Valerie Soza, Kent Hughes 1999-6-17 560 Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Winter Creek Trail, above San Olene Canyon 747 Comment
  RSA393740  Filago gallica L. C. Wheeler 1934-4-27 2521 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  RSA0048218  Firmiana simplex Lee Haines 1951-10-7 s.n. Los Angeles 16043 Rinaldi St., San Fernando. Comment
  UC874971  Foeniculum vulgare Carl B. Wolf 1932-10-3 4214 Los Angeles ca. 1 1/4 mi. from Wrigley Dr. on rd. to Renton Mine (about head of right fork of Pebbly Beach Canyon); Santa Catalina Isl. 304 Comment
  UCD112548  Frangula californica Geoffrey Levin 1974-5-31 190 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Santa Ana River drainage area. Alluvial fan of Mt. San Antonio (San Gabriel Mountains.) 335 Comment
  LA52238  Frangula californica subsp. californica A. M. Johnson; 1934-5-4 4456 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SBBG26943  Frangula californica subsp. californica I. W. Clokey, B. Templeton -Apr-1929 4442 Los Angeles Mandeville Cyn 200 Comment
  RSA729323  Frangula californica subsp. cuspidata R. G. Swinney 1999-6-30 7470 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills. 1463 Comment
  SBBG128074  Frankenia salina B. E. Carter 2012-8-23 6999 Los Angeles Two Harbors at top of Catalina Harbor 1 Comment
  UC407283  Frankenia salina LeRoy Abrams 1902-6-9 2500 Los Angeles Playa del Rey Comment
  SFV2750  Fraxinus dipetala K. A. Wilson 1961-3-11 976 Los Angeles San Gabriel Mountains Placerita Canyon Road. Wash 3 miles east of Placerita Canyon State Park. 410 Comment
  SBBG121649  Fraxinus uhdei L. Gross 2007-5-16 2731 Los Angeles entrance to Wildwood Cyn at intersection with Harvard Rd and Wildwood Cyn Rd 387 Comment
  CAS-BOT-BC211011  Fraxinus velutina Joseph Andorfer Ewan 1937-8-15 10968 Los Angeles West Fork San Gabriel River, San Gabriel Mts. 518 Comment
  CAS-BOT-BC218563  Fraxinus velutina I. M. Johnston 1918-7-28 2097 Los Angeles San Gabriel River at El Monte 91 Comment
  LA49809  Fraxinus velutina R. L. Armacost; May 1963 sn Los Angeles Tapia Park, Malibu Creek Comment
  CAS-BOT-BC212394  Fremontodendron californicum Elizabeth McClintock 1965-7-2 s.n. Los Angeles Table Mountain above Wrightwood, San Gabriel Mountains 2133 Comment
  UC843900  Fritillaria pinetorum P. A. Munz 1922-5-30 5573 Los Angeles head of Swartout Valley (San Antonio Mountains); , Swartout Valley 2194 Comment
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Dec 13 2011
  RSA600054  Galium andrewsii Steve D. Boyd, Lauren Raz 1997-5-20 9809 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
  RSA702032  Galium andrewsii Steve D. Boyd, Amber Maurice 2004-5-18 11311 Los Angeles Atmore Meadows area. Comment
  JEPS114005  Galium andrewsii subsp. andrewsii Timothy S. Ross and Steve Boyd 1994-5-4 7615 Los Angeles San Fracisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit. Comment
  LA208402  Galium angustifolium J. Ewan; 1931-8-3 Los Angeles San Gabriel Mountains, Dry grassyslope under pines S slope Strawberry Peak at Rim o' World Monument 1615 Comment
  CATA271  Galium angustifolium subsp. angustifolium Mark L. Hoefs 1973-5-15 280 Los Angeles Santa Catalina Island: By horse trail, Avalon Canyon, east exposure 83 Comment
  UC1143130  Galium angustifolium subsp. angustifolium A. Simontacchi 1935-5-26 49 Los Angeles 3 mi sse Neenach; Tejon Quadrangle Comment
  UCR178787  Galium angustifolium subsp. angustifolium R. G. Swinney 1989-5-17 s.n. Los Angeles San Gabriel Mtns, SW border of Glendora Wilderness Park, along fire road at Bluebird Hill 390 Comment
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Mar 10 2013
  POM367678  Galium angustifolium subsp. angustifolium Anstruther Davidson 1899-6-25 s.n. Los Angeles Santa Monica. Comment
  RSA670033  Galium aparine Joseph M. Keefe 2001-3-13 31081 Los Angeles North across street from 774 Tipton Terrace, 0.3 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 262 Comment
  POM367748  Galium aparine D. A. Young 1969-3-10 P 385 Los Angeles 1/2 mi. from gate 6 of Puddingstone State Park off of san Dimas Ave., in a canyon 300 yds. NW of the road. 305 Comment
  CAS-BOT-BC217452  Galium catalinense Frank W. Peirson 1923-4-9 3432 Los Angeles North slope canyon at Lemmon Tank, San Clemente Island Comment
  CAS-BOT-BC217465  Galium catalinense Reid Moran 1941-3-11 700 Los Angeles North of Middle RanchSanta Catalina Island 250 Comment
  RSA678131  Galium grande Valerie L. Soza, Monica Acosta 2001-6-20 1299 -b Los Angeles Above Cold Springs Canyon, east of White Saddle, along Silver Fish Road (FS Road 1N29), ca. 1.54 miles east of junction with Van Tassel Truck Trail (FS Road 1N36). 854 Comment
  UCR238649  Galium grande Anuja Parikh, Nathan Gale 2010-6-28 3366 Los Angeles Transverse Range; San Gabriel Mtns., ridge between Fish and Sawpit canyons, 0.4 km SE of White Saddle, 1.1 km NW of Mount Bliss, under powerlines 985 Comment
  POM4419  Galium hallii L. R. Abrams, E. A. McGregor 1908-7-3 598 Los Angeles North Baldy Mt., Rock Creek Canyon. 1524 Comment
  RSA532652  Galium jepsonii Tim S. Ross 1991-8-14 5769 Los Angeles Roundtop [Mountain]: San Gabriel Mountains: Southwesterly ridge descending from the summit. 1829 Comment
  LA201530  Galium parisiense Arthur C. Gibson; 2003-6-4 4898 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  RSA599179  Galium porrigens Scott D. White 1997-3-12 4767 Los Angeles NW of Zuma Beach, Encinal Canyon Rd. between Pacific Coast Hwy and Mulholland Hwy. 305 Comment
  UC1952538  Gambelia speciosa Reid Moran 1941-2-23 602 Los Angeles Northwest of Johnson's Valley, Santa Catalina Island. Comment
  CATA1705  Gamochaeta ustulata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3025 Los Angeles Santa Catalina Island: Lower Fern Canyon 195 Comment
  UCR84487  Gamochaeta ustulata T. S. Ross, J. Takara 1993-4-23 6943 Los Angeles Channel Islands, Santa Catalina Island, Upper E side of Cottonwood Canyon Drainage, c. 1035 m WNW of Black Jack Mtn. Summit 436 Comment
  RSA596415  Garrya flavescens Tim S. Ross 1990-6-11 3352 Los Angeles Big Rock Creek canyon. 120m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1732 Comment
  RSA597121  Garrya flavescens Tim S. Ross 1990-6-22 3713 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  UC1122737  Garrya veatchii Jerome S. Horton 1935-7-18 228 Los Angeles divide between East Fork San Dimas Canyon and San Gabriel Canyon; San Dimas Experiamental Forest, Cucamonga Quad. 1325 Comment
  CAS-BOT-BC282617  Gastridium phleoides Carl B. Wolf 1932-5-10 3523 Los Angeles Along the Equestrian Trail, back of Avalon, Santa Catalina Island 259 Comment
  POM249876  Gaura sinuata E. Johnson 1939-08 s.n. Los Angeles Citrus Ave., west of Cameron, West Covina. Comment
  UCR193138  Gayophytum R. G. Swinney 1998-7-14 6449 A Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  RSA229068  Gayophytum decipiens Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38863 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, open N-facing slope above Angeles Crest Hwy. at headwater of S Fork, Big Rock Creek, c. 1.7 mi. S of Dawson Saddle. 2317 Comment
  CATA3343  Geranium californicum Amy Catalano, Jen Dreizehn 2017-3-23 030 Los Angeles Santa Catalina Island: Near drainage bottom of Swains Canyon, directly west of ""duck head"" in Toyon Rd, north facing slope 96 Comment
  RSA609600  Geranium carolinianum Louis C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, Shuler Canyon. 389 Comment
  POM50156  Gilia angelensis L. R. Abrams 1901-04 1406 Los Angeles Verdugo Hills Comment
  RSA187908  Gilia angelensis R. F. Thorne 1966-4-5 35845 Los Angeles Santa Catalina Island, Cottonwood Canyon. 107 Comment
  RSA639179  Gilia angelensis L. C. Wheeler 1967-5-29 9774 Los Angeles Cow Canyon Saddle, [covered former dump]. 1377 Comment
  SFV21730  Gilia angelensis A. Dittmer 2005-1-26 81 Los Angeles Santa Monica Mountains Red Rock Canyon, about 0.25 miles from main parking inside eastern entrance of park. 350 Comment
  UC909023  Gilia angelensis Margaret Stason 1927-3-13 Los Angeles Pasadena Comment
  RSA334180  Gilia brecciarum subsp. brecciarum R. F. Thorne 1973-5-11 43560 Los Angeles Along Mt. Emma Road: 1.9 mi W of Little Rock Creek below the dam. 1159 Comment
  RSA67726  Gilia brecciarum subsp. brecciarum Verne Grant, Alva Grant 1952-4-23 17579 Los Angeles Foothills, s. side of Antelope V., rd. to Lake Hughes. Comment
  LA52328  Gilia capitata subsp. abrotanifolia W. O. Griesel; 1936-4-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SEINET14642418  Gilia capitata subsp. abrotanifolia H. M. Halol 1902-5-1 3059 Los Angeles Near Elizabeth Lake. Comment
  RSA470218  Gilia capitata subsp. abrotanifolia Anstruther Davidson s.n. Los Angeles Hollywood or Toluca. Comment
  CAS-BOT-BC226339  Gilia latiflora subsp. davyi Herbert L. Mason 1932-4-1 6869 Los Angeles One mile east of Lancaster, Mohave [Mojave] Desert Comment
  LA206526  Gilia latiflora subsp. davyi Elizabeth Grant; 1937-5-8 sn Los Angeles Mint Canyon 1523 Comment
  POM3440  Gilia latiflora subsp. davyi Marjorie Shaw, Edna S. Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Bouquet Canyon. Comment
  RSA493816  Gilia latiflora subsp. davyi A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7775 Los Angeles Mojave Desert, near Quartz Hill in Lancaster. S of Avenue L at 37th St. West 746 Comment
  UCR168450  Gilia leptantha subsp. transversa F. W. Peirson 1921-5-20 4132 Los Angeles Transverse Ranges; San Gabriel Mountains, Little Rock Creek 1006 Comment
  UCR227607  Gilia leptantha subsp. transversa Orlando Mistretta, Christine Mistretta 2010-6-1 5230 Los Angeles San Gabriel Mountains, Mill Creek Canyon along Southern California Edison transmission line corridor, c. 1.0 air mi south of Mill Creek Summit, near spur road to Falcon Mine 1280 Comment
  RSA549586  Gilia minor T. S. Ross 1992-4-4 6080 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA587166  Gilia modocensis Orlando Mistretta 1995-4-28 1653 Los Angeles Kitter Canyon; Slopes W of main canyon. 1280 Comment
  CAS-BOT-BC402025  Gilia ochroleuca subsp. bizonata E. K. Balls; L. W. Lenz 1950-3-28 14464 Los Angeles 1 mi. e. of junction of Hwys 99 and 138, just s. of Gorman 1158 Comment
  CAS-BOT-BC402067  Gilia ochroleuca subsp. vivida Geo. B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson, San Gabriel Mts. 1828 Comment
  UC23662  Gilia ochroleuca subsp. vivida H. M. Hall 1896-8-7 300 Los Angeles Schwartout Canyon , Schwartout Canyon (San Antonio Mountains) 2042 Comment
  RSA0113524  Gilia virgata var. dasyantha Henry J. Ramsey, Henry J. Ramsey 1938-6-12 2735 Los Angeles North Craig Ave., Altadena. Comment
  SBBG68426  Glycyrrhiza lepidota R. Hoffmann 1927-6-14 Los Angeles Hughes Lake Comment
  UCR129396  Glycyrrhiza lepidota A. C. Sanders, Mark Elvin 2002-6-20 25252 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
  UCR179727  Gnaphalium californicum R. G. Swinney, Dave Larson 1996-7-17 5146 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA91756  Gnaphalium californicum F. W. Peirson 1925-4-23 5808 Los Angeles San Gabriel River 305 Comment
  RSA534058  Gnaphalium luteoalbum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5265 Los Angeles San Clemente Island: Westerly fork of near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336ft) marker, 1800ft SE of Malo Knoll (1396ft). 313 Comment
  POM358868  Gnaphalium microcephalum Anstruther Davidson 1887-07 2010 Los Angeles Temple. Comment
  RSA0127385  Gnaphalium palustre Louis C. Wheeler 1967-7-20 10128 Los Angeles Aliso Canyon. 1067 Comment
  CAS-BOT-BC110278  Grayia spinosa A. D. E. Elmer 1902-6-1 3613 Los Angeles Palmdale. Comment
  UCR229505  Grindelia Dan S. Cooper 2010-9-24 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Primera Dr., vicinity of Griffith Park, Los Angeles 258 Comment
  RSA430048  Guillenia lasiophylla Robert Gustafson, Christopher Davidson 1977-4-20 404 Los Angeles Escondido Cyn. Road, about 1 mi NE of junction with Agua Dulce Cyn. Road. 762 Comment
  UCR210525  Gutierrezia californica R. G. Swinney 2008-12-6 9958 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  POM153301  Gutierrezia microcephala P. A. Munz, I. M. Johnston 1928-9-5 11170 Los Angeles mouth of Rock Creek 1158 Comment
  RSA756583  Gutierrezia sarothrae Orlando Mistretta, Christine Mistretta 2008-4-3 2276 Los Angeles Transverse Ranges; Liebre Mountains region: Southern California Edison transmission line tower (Segment 5, Structure 62, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass. Comment
  UC1118616  Gutierrezia sarothrae J. Horton 1937-7-17 485 Los Angeles San Dimas Wash San Dimas Experimental Forest, Pomona Quadrangle Comment
  RSA0000378  Habenaria leucostachys var. virida Frank W. Peirson 1918-7-8 12 Los Angeles San Antonio Canyon, San Gabriel Mountains. Comment
  UCR126836  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-26 25582 Los Angeles Western Transverse Range/Santa Clara River Watershed, Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  RSA590422  Harpagonella palmeri T. S. Ross 1993-4-21 6843 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'' 397 Comment
  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
  CAS-BOT-BC307299  Hazardia squarrosa var. grindelioides Peter H. Raven 1959-10-25 14705 Los Angeles Mulholland Highway 1.6 miles west of Decker Road, Santa Monica Mountains 304 Comment
  POM156151  Hazardia squarrosa var. grindelioides L. R. Abrams 1904-9-2 4180 Los Angeles Elysian Park. Comment
  RSA14705  Hazardia squarrosa var. grindelioides Peter H. Raven 1959-10-25 14705 Los Angeles Mulholland Hwy 1.6 miles W of Decker Road 305 Comment
  CAS-BOT-BC306643  Helenium bigelovii I. M. Johnston 1917-7-28 1525 Los Angeles San Antonio Mountains. N. Fk San Antonio Canon [Canyon] (Gold Ridge Mine) 2438 Comment
  SEINET6044334  Helenium bigelovii Louis Wheeler 1968-7-23 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UC57412  Helenium puberulum J. H. Barber 1898-8-3 Los Angeles Topanga Comment
  LA94378  Helianthemum scoparium Carl Epling; M. Dunn 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SFV12379  Helianthemum scoparium D. L. Koutnik 1978-5-10 475 Los Angeles Santa Monica Mountains End of Corral Canyon Road. 732 Comment
  UC1746078  Helianthus annuus Annetta M. Carter 1946-4-23 1758 Los Angeles Sierra Madre. Crest of first hill on Mt. Wilson Trail. 365 Comment
  UCR177736  Helianthus gracilentus LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1090 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. 598 Comment
  UC1010488  Heliotropium amplexicaule P. A. Munz 1954-9-5 20183 Los Angeles 3 mi. n. Claremont (vacant lots at Padua Hills); Padua Hills 487 Comment
  UCR209879  Heliotropium curassavicum R. G. Swinney 2008-9-9 9329 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA534109  Hemizonia clementina Timothy S. Ross 1991-5-17 5060 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage, 1600 feet SE of the 924'BM at the E end of the old airfield landing strip. 250 Comment
  SBBG97023  Hesperocnide tenella S. Boyd with T. Ross, L. Arnseth 1990-4-8 4405 Los Angeles Bryce Cyn near Malo Pt Comment
  CAS-BOT-BC143703  Heteromeles arbutifolia L. R. Abrams; I. L. Wiggins 1931-7-6 385 Los Angeles Vicinity of Mosquito Harbor Comment
  LA52107  Heteromeles arbutifolia A. M. Johnson; 1927-11-11 2681 Los Angeles 121 Comment
  POM199549  Heteromeles arbutifolia I. W. Clokey, Bonnie C. Templeton 1929-07 4589 Los Angeles Mandeville Canyon. 200 Comment
  SBBG12777  Heteromeles arbutifolia E. R. Blakley 1961-9-23 4745 Los Angeles beach bluff between Isthmus Harbor and Fisherman's Cove 6 Comment
  UCR212815  Heteromeles arbutifolia Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1774 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, [San Dimas Canyon] downstream from San Dimas Dam 403 Comment
  RSA0074541  Heterotheca fastigiata Timothy S. Ross, Orlando Mistretta 1990-10-24 3306 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  UC897761  Heterotheca grandiflora I. W. Clokey and E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon Comment
  UCR150354B  Heterotheca grandiflora Scott D. White 2003-10-14 9828 Los Angeles San Gabriel Mtns, foothills above Sierra Madres. Los Angeles Dept. of Public Works 'Auburn' debris basin, above the north terminus of Auburn Avenue 396 Comment
  RSA0074407  Heterotheca grandiflora M. B. Dunkle 1928-11-25 2036 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  UCR181109  Heuchera elegans R. G. Swinney 1997-4-25 5508 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  RSA0063111  Heuchera elegans Orlando Mistretta, Mark Elvin 1995-5-10 1698 Los Angeles San Gabriel Mountains. Bare Mountain Canyon, West Fork. 1540 Comment
  UCR191311  Hieracium albiflorum R. G. Swinney 1998-7-10 6359 Los Angeles San Gabriel Mtns., Prairie Fork, 300 m west of Cabin Flats Campground 1598 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
  RSA405278  Hoffmannseggia glauca Theodore Payne 1917-1 s.n Los Angeles Coyote Pass, Los Angeles. Comment
  UC535385  Holodiscus discolor Ira W. Clokey, B. Templeton 1929-5-1 4547 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 400 Comment
  RSA0096802  Holodiscus microphyllus var. microphyllus R. G. Swinney 2011-9-27 15695 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  SEINET259020 Image available Hordeum bulbosum B. L. Johnson, Hall Los Angeles CULTIVATED ; CULTIVATED at Univ of California-Los Angeles; seed collected at 171 km SW of Ersurum Turkey Comment
  UCR157441  Hordeum depressum A. C. Sanders, E. J. Lott 1993-5-6 13959 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  SBBG113058  Hordeum intercedens S. A. Junak 1998-5-1 SCa 596 Los Angeles small rise just NE of Airport Rd, just S of ridge with Whitney's Pk 426 Comment
  UCR259899  Hordeum murinum R. G. Swinney 2010-3-18 11988 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCR260362  Hordeum murinum R. G. Swinney 2010-6-21 13275 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR90017  Hordeum murinum Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  CATA1991  Hordeum vulgare Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 369 Los Angeles Santa Catalina Island: Skull Canyon, at edge of hayfield at storage yard gate, ca. 0.4 road miles from intersection with Middle Ranch Canyon Road 228 Comment
  RSA651812  Hordeum vulgare R. Danborn 1948-2-23 sn Los Angeles Near Los Angeles County Fairgrounds. Comment
  RSA711503  Horkelia cuneata J. George 2001-08 s.n. Los Angeles South Coastal Plains Region: Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA18523  Horkelia cuneata subsp. puberula Carl B. Wolf 1927-7-24 675 Los Angeles 1/2 mile east of Montrose Comment
  UCR272948  Hulsea heterochroma R. G. Swinney 2011-8-5 15609 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
  RSA588895  Hulsea vestita subsp. gabrielensis Timothy S. Ross, S. D. Boyd 1990-5-17 2552 Los Angeles forest Service Road 3N27, 11.3 road miles N of Big Tujunga Canyon Rd. ca 785 m NNE of Ed Triangulation Point (4990 ft.) and ca 560 m SSW (airline) of jtn with Mt. Gleason Rd 1578 Comment
  RSA659915  Hulsea vestita subsp. gabrielensis Orlando Mistretta 1991-10-14 s.n. Los Angeles Magic Mtn., San Gabriel Mountains. Comment
  CAS-BOT-BC312622  Hulsea vestita subsp. vestita Wesley O. Griesel 1961-6-1 s.n. Los Angeles State Hwy. 2 near Camp Valcrest, San Gabriel Mts. 1828 Comment
  LA105581  Hypochaeris glabra Barry A. Prigge; 1989-5-10 8705 Los Angeles Santa Monica Mountains, Point Dume, above Dume Cove 45 Comment
  UC1132123  Imperata brevifolia Jerome S. Horton 1937-10-12 500 Los Angeles West Fork San Dimas Canyon, San Dimas Experimental Forest West Fork San Dimas Canyon; , San Dimas Experimental Forest Comment
  SBBG43844  Isocoma menziesii M. R. Benedict 1971-6-27 Los Angeles rd immediately S of barracks area, about 0.3 mi S of pier at Wilson's Cove Comment
  JEPS19123  Isocoma menziesii var. vernonioides Frank W. Peirson 1921-11-11 2596 Los Angeles Saugus Comment
  RSA5540  Isocoma menziesii var. vernonioides C. B. Wolf 1932-10-4 4223 Los Angeles Santa Catalina Island. Near base of cliff along road to Pebbly Beach, 1/4 mile from Avalon. 8 Comment
  CAS-BOT-BC340170  Jaumea carnosa Peter H. Raven; Henry J. Thompson 1959-9-6 14363 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). At mouth of Malibu Creek 1 Comment
  POM246811  Jaumea carnosa F. R. Fosberg 1931-5-18 4895 Los Angeles Little Harbor, Santa Catalina Island 4 Comment
  RSA771949  Jepsonia malvifolia R. F. Thorne 1968-2-24 37918 Los Angeles Santa Catalina Island. Blue Cavern Point. Comment
  NY201870  Juglans californica J. B. Walker 1994-8-10 885 Los Angeles 4km S of Gormon, next to I-5 200 Comment
  UCR261129  Juglans californica R. G. Swinney 2010-6-21 13294 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA0011188  Juglans californica Ron Martinolich 1991-4-7 18 Los Angeles Griffith Park, Bee Rock Trail, from trail head of lower eastern end, west 50 feet. Comment
  POM280163  Juglans californica var. californica Lyman Benson 1933-4-2 4300 Los Angeles US 99 Saugus Rd Junction. 152 Comment
  RSA629707  Juglans californica var. californica Louis C. Wheeler 1967-7-6 9921 Los Angeles San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  UC767799  Juglans californica var. californica Wm. H. Brewer December, 1860 66 Los Angeles in canyon Sierra Santa Monica Comment
  RSA0011171  Juglans californica var. californica Thomas Seerley 1948-2-22 s.n. Los Angeles San Gabriel Mountains, Glendora. 457 Comment
  RSA614987  Juglans regia Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: North Fork Lytle Creek; ca. 1/4 mile upstream form Alpine Canyon (USFS D2). Bluebird Ranch. 518 Comment
  UC1950784  Juncus A. C. Sanders, Mark A. Elvin 2002-6-22 25279 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  CAS-BOT-BC110039  Juncus acutus E. R. Blakley 1961-9-24 4784 Los Angeles Santa Catalina Island. Little Springs Canyon. 15 Comment
  RSA771571  Juncus balticus R. G. Swinney 2009-5-6 10658 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR142541  Juncus bufonius var. bufonius L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mtns., foot of Holiday Hill Ski Lift [c. 1 mi. SE of Big Pines] 1997 Comment
  SD260149  Juncus macrophyllus R. G. Swinney 2011-6-1 14940 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Criso Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy (Chilao Flat 7.5'Q) 1096 Comment
  IRVC5043  Juncus mexicanus H. J. Thompson 1959-5-31 2052 Los Angeles East of junction of Latigo Canyon Road and Mulholland Highway, roadside ditch. 518 Comment
  RSA368348  Juncus occidentalis L. C. Wheeler 1934-5-14 2594 Los Angeles Sunny seasonal stream in meadow near mouth San Dimas Canyon, San Gabriel Mtns. 441 Comment
  UCR178954  Juncus rugulosus R. G. Swinney 1988-9-5 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon Debris basin 335 Comment
  RSA587169  Juncus rugulosus Orlando Mistretta 1995-10-2 1934 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  RSA776391  Juncus tiehmii Orlando Mistretta, Christine Mistretta 2010-5-22 5188 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  RSA589070  Juncus tiehmii Orlando Mistretta 1994-6-6 1335 Los Angeles San Gabriel Mountains: Little Rock Creek, Slopes on E side of canyon S of junction of Forest Service roads 4N15 and 5N04.3 1220 Comment
  IRVC5004  Juncus xiphioides Peter H. Raven, H. J. Thompson 1960-7-17 15559 Los Angeles Santa Monica Mountains, along Malibu Creek 2 miles above the ocean. Comment
  RSA0091975  Juncus xiphioides R. G. Swinney 2011-6-30 15405 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR209134  Juncus xiphioides R. G. Swinney 2008-6-24 9084 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR210258  Juncus xiphioides R. G. Swinney 2008-8-13 9367 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 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
  SFV293  Juniperus californica P. G. Kilburn 1957-12-1 561 Los Angeles Near Vincent on US #6, 1 block south of Vincent. Comment
  UCR239962  Juniperus californica R. G. Swinney 2009-11-13 11619 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
  SEINET3864772 Image available Juniperus occidentalis Barry Burnell 1970-4-24 192 Los Angeles 3.2 miles south of Highway 138 on N4. San Gabriel Mts. Mojave Desert to the Colorado River drainage area.; 0 1372 Comment
  SEINET10531113  Juniperus virginiana var. silicicola David B. Dunn 1939-10-18 Dunn UMO 46525 Los Angeles Cultivated plant growing in Lafayette Park, Los Angeles, Calif. Comment
  NY786813  Keckiella breviflora var. breviflora T. S. Ross 1990-6-28 3960 Los Angeles Liebre Mountain: southerly slopes to the south and southwest of the West Summit and ridge to its W. Liebre Mountain 7.5' USGS Quadrangle. 1389.9 Comment
  CATA799  Keckiella cordifolia Mark L. Hoefs, Robert Given 1991-6-12 1371 Los Angeles Santa Catalina Island: 1/2 mile from Camp Cactus near road between Middle Canyon and Bulrush Canyon 231 Comment
  RSA533939  Keckiella cordifolia Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5217 Los Angeles San Clemente Island: south-east end of island in the vicinity of Knob, 5100 feet NW of Guds. 271 Comment
  RSA752579  Keckiella cordifolia Justin M. Wood 2009-6-8 859 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  SFV21122  Keckiella cordifolia L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1060 Los Angeles Verdugo Mountains South side of Verdugo Mountains. West side of Brand Canyon just a short distance above the cemetery. East side of canyon near above coordinates. 307 Comment
  JEPS24107  Keckiella cordifolia Henry J. Thompson 1959-5-2 1959 Los Angeles Little Sycamore Canyon Santa Monica Mountains (along Yerba Buena Road, 1.1 mi up the canyon from the Coast Highway) 121 Comment
  LA209320  Keckiella ternata Carl Epling; N. Dunn 1931-6-28 Los Angeles near Sandbergs, Ridge Route Comment
  CHSC84004  Koeleria macrantha John Dittes 1990-6-20 148 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  RSA650319  Krascheninnikovia lanata Marion P. Harthill 1972-5-22 s.n. Los Angeles Mojave Desert Hwy N4 1310 Comment
  SBBG72610  Krascheninnikovia lanata R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  CAS-BOT-BC111950  Kyllinga brevifolia Grace Cole Fleischman 1957-4-1 s.n. Los Angeles In flat of Dichondra. Comment
  RSA639176  Lactuca serriola L. C. Wheeler 1967-7-6 9934 Los Angeles San Gabriel Mountains: San Dimas Canyon. 441 Comment
  UCR162593  Lagophylla ramosissima subsp. ramosissima Anuja Parikh, Nathan Gale 2004-7-8 2080 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 18), south of the river near upper Potrero Canyon 366 Comment
  RSA623827  Lamarckia aurea K. Scott 1921-3-3 s.n. Los Angeles Campus, (Occidental College), Eagle Rock. Comment
  UC1109360  Lamarckia aurea Peter H. Raven 1962-4-9 17156 Los Angeles San Clemente Island, Wilson Cove, near barracks Wilson Cove; San Clemente Island, Wilson Cove 60 Comment
  UCR131408  Lamarckia aurea Alison Lipman 1998-4-16 s.n. Los Angeles South Coastal Plains Region, George F Canyon, Palos Verdes Peninsula 305 Comment
  SEINET10598999  Lamarckia aurea Roland McKee 1920-5-12 McKee s.n. Los Angeles Los Angeles Comment
  SEINET10959809  Lamarckia aurea Camp 1912-6-10 CAMP s.n. Los Angeles Claremount. Comment
  UCR273553  Lamium amplexicaule R. G. Swinney 2011-5-10 14657 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  SD253562  Lantana camara R. G. Swinney 2011-3-18 14165 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshal Trail (Glendora 7.5'Q) 366 Comment
  OBI7878  Larrea divaricata G. L. Parsons 1976-5-21 47 Los Angeles Mojave Desert, 20 mi E of Lancaster Comment
  SBBG67804  Larrea tridentata R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  SFV2006  Larrea tridentata M. L. Vincent 1962-10-4 292 Los Angeles Mojave Desert Antelope Valley. 2 miles north of Littlerock off main Highway 138, in back of Telephone building. Comment
  RSA612075  Lastarriaea coriacea Valerie L. Soza 1998-4-26 64 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  SEINET2053250 Image available Lasthenia californica Steve Myers, Ed LaRue 1989-3-21 Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. San Andreas rift zone bisects the site. 883 Comment
  CAS-BOT-BC338132  Lasthenia californica A. R. Kruckeberg 1940-3-9 s.n. Los Angeles Summit of Pine Canon [Canyon] Road, Liebre Mts. Comment
  UCR259665  Lasthenia coronaria R. G. Swinney 2010-4-1 12144 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
  RSA347521  Lasthenia gracilis B. A. Prigge 1986-3-19 6932 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  RSA593444  Lasthenia gracilis Steve Boyd 1996-4-24 8645 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  UCR76421  Lasthenia gracilis T. S. Ross, A. Kendall 1992-4-15 6194 Los Angeles San Clemente Island, Central upland portion of the island, SW of 'Ledge' (1328' knoll of Stone field station), 236 degrees SW, c. 170m distant from summit of 'Ledge' 393 Comment
  UCR78126  Lathyrus vestitus Wandalee Thompson 1964-4-11 7 Los Angeles Transverse Range; Liebre Mtns., De La Fodor Ranch, Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  UC864426  Lathyrus vestitus subsp. laevicarpus Ira W. Clokey, B. Templeton Mar 1929 4463 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  RSA583071  Lathyrus vestitus subsp. vestitus T. S. Ross 1993-4-22 6910 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; 1080 m due N of Cactus Peak (1560 ft); on terrace-like portion near base of northerly slope 259 Comment
  SDSU4459  Lathyrus vestitus var. alefeldii Gerald Collier 1951-5-5 273 Los Angeles Santa Anita Canyon, San Gabriel Mts. About 1/4 mile down Chantrx Flats Trail. Comment
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Aug 4 2016
  UC557810  Lathyrus vestitus var. vestitus Nell Murbarger 1936-3-1 32 Los Angeles e side San Clemente Island Comment
  UC73254  Lathyrus vestitus var. vestitus E. D. Palmer Jun 1903 Los Angeles Garvanza Comment
  RSA630279  Lathyrus vestitus var. vestitus LeRoy Gross 1999-2-25 118 Los Angeles Verdugo Mountains: Side canyon, drains north into La Tuna Canyon 609 Comment
  RSA0034180  Layia glandulosa Pam De Vries 2013-4-13 7847 Los Angeles About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1054 Comment
  UCR270224  Layia glandulosa R. G. Swinney 2011-6-15 15159 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  RSA704354  Layia glandulosa Gary D. Wallace, M. Z. Wallace 1982-4-24 1923 Los Angeles West of Palmdale, south end of Munz Ranch road. Comment
  SEINET11447755 Image available Layia glandulosa G. B. Grant 1904-5-5 112 /6188 Los Angeles Arroyo Seco Canyon, Sierra Madre Mts. Comment
  POM362206  Layia hieracioides N. C. Cooper 1945-5-1 2200 Los Angeles Tapia Park area, Santa Monica Mountains 610 Comment
  SDSU4711  Layia platyglossa R. M. Beauchamp 1967-3-18 274 Los Angeles Below Lemon Tank; San Clemente Island. Comment
  UC828946  Layia platyglossa F. R. Fosberg 1931-5-6 s 4814 Los Angeles Cape Canyon; Santa Catalina Island 200 Comment
  POM361667  Layia platyglossa subsp. campestris Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  RSA177835  Layia platyglossa subsp. campestris R. F. Thorne 1965-5-11 34549 Los Angeles Along road to Rancho Escondito above Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  RSA11174  Layia platyglossa subsp. campestris C. B. Wolf 1926-4-3 197 Los Angeles 1/2 mile east of San Fernando Comment
  RSA409624  Lepechinia fragrans Christopher Davidson, B. Gustafson 1975-6-24 2870 Los Angeles Big Tujunga Canyon, ca. 5 mi NE of Sunland on rd 2N78 in a small side canyon running SW. 686 Comment
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Oct 21 2014
  UC1595683  Lepidium fremontii W. Wisura and E. Roeder 1992-4-21 4691 Los Angeles 2.3 mi w Hwy. 138 (on Fort Tejon Rd, w Mohave); Mohave Comment
  CAS-BOT-BC12470  Lepidium nitidum Dr. Barton W. Evermann 1918-3-1 s.n. Los Angeles Santa Barbara Island. Comment
  UCR108350  Lepidium oblongum L. C. Wheeler 1970-6-2 s.n. Los Angeles USC Campus. 56 Comment
  RSA597533  Lepidium strictum L. C. Wheeler 1957-5-17 7268 Los Angeles Pasadena. Northwest corner Cal Tech campus, San Pasqual and North Wilson Avenue. Comment
  CAS-BOT-BC60044  Lepidium virginicum var. menziesii Geo. B. Grant 1901-6-5 s.n. Los Angeles Pasadena. Comment
  RSA479519  Lepidium virginicum var. pubescens Steve Boyd, Thomas Elias 1987-4-14 2060 Los Angeles Ridge between Pine Mountain and Silver Mountain, S of Rincon - Red Box Rd., N of Glendora. Comment
  LA92024  Lepidospartum squamatum Peter H. Raven; 1961-10-15 16863 Los Angeles Claremont. In wash in front of Botanic Garden 259 Comment
  LA33410  Leptochloa fusca subsp. uninervia Peter H. Raven; Henry J. Thompson 1959-10-14 14641 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA0035861  Leptochloa fusca subsp. uninervia R. G. Swinney 2009-11-9 11594 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA762342  Leptochloa fusca subsp. uninervia R. G. Swinney 2008-10-20 9643 Los Angeles San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA628814  Leptodactylon pungens Scott D. White, Dave Bramlet 1998-6-29 6822 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  SBBG17869  Leptosiphon bicolor P. H. Raven 1962-4-10 17226 Los Angeles summit ridge, ca. 2 mi N of Thirst 487 Comment
  RSA226549  Leptosiphon breviculus C. W. Tilforth 1971-4-13 423 Los Angeles Hook Creek Rd., s.e. of Cedar Glen, Lake Arrowhead. 1570 Comment
  RSA78095  Leptosiphon breviculus Verne Grant, Alva Grant 1953-6-24 18498 Los Angeles San Gabriel Canyon, San Gabriel Mts. Comment
  RSA598849  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, T. S. Ross 1997-3-21 9221 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1310 Comment
  CAS-BOT-BC339272  Lessingia glandulifera var. glandulifera B. Ertter; J. Strachan 1979-6-29 3008 Los Angeles N edge of Angeles Nat'l Forest ca 9 air-miles ESE of Pearblossom, 1.7 mi N of Mile High on County Hwy N4 1463 Comment
  POM361805  Lessingia glandulifera var. glandulifera George B. Grant 1906-9-14 s.n. Los Angeles Pasadena. Comment
  RSA126888  Lessingia glandulifera var. glandulifera H. S. Yates 1936-8-28 6369 Los Angeles 2 miles southeast of Big Pine Park 1905 Comment
  RSA561599  Leymus condensatus Steve Boyd, Walter Appleby 1993-5-24 8168 Los Angeles Seepages along upper end of Wilson canyon Rd, S of Wilson Canyon Saddle and E of the communication facility 944 Comment
  RSA713912  Lilium humboldtii subsp. ocellatum R. E. Riefner 2006-6-12 6 -236 Los Angeles Verdugo Mountains, N side of 210 Freeway, W ca. 0.6 mi from La Tuna Canyon Rd. exit. 488 Comment
  RSA381421  Limosella acaulis Robert F. Thorne 1968-9-24 41383 Los Angeles Angeles National Forest: Jackson Lake 1860 Comment
  RSA468561  Linanthus androsaceus subsp. luteolus N. C. Cooper 1948-4-21 2724 Los Angeles Littlerock. 762 Comment
  UC52363  Linanthus aureus H. M. Hall Apr 1902 3031 Los Angeles Antelope Valley 1219 Comment
  UCR193539  Linanthus bigelovii R. G. Swinney 1999-6-28 7428 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
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Jul 31 2010
  SEINET13383041 Image available Linanthus californicus R. G. Swinney 2011-1 15315 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
  SD107817  Linanthus dianthiflorus Larry DeBuhr 1977-4-16 2567 Los Angeles Santa Catalina Island; coastal bluffs around Little and Shark Harbors Comment
  UCSB36486  Linanthus dianthiflorus Gordon, Patricia 1980-2-17 Los Angeles 1 mi. w. of junc. of Agoura Rd. & Hwy. 101, on Agoura Rd. 304 Comment
  RSA187937  Linaria canadensis var. texana Robert F. Thorne 1966-4-28 36244 Los Angeles Santa Catalina Island. Near junction of Wrigley Drive and Renton Mine Road. 91 Comment
  RSA166500  Linaria canadensis var. texana W. G. Webb 1935-2-16 s.n. Los Angeles Chevy Chase, Glendale Comment
  UCR3263  Lithophragma affine Frances Miller 1964-4-11 M 6419 Los Angeles S slopes of Mount Wilson, 3 mi. up Orchard Camp Trail from Sierra Madre 915 Comment
  RSA682118  Lithophragma affine Valerie L. Soza, Bill Hogshead 2003-5-6 1650 Los Angeles Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  UC858175  Lithophragma bolanderi I. W. Clokey and E. G. Anderson 1935-5-9 6668 Los Angeles San Dimas Canyon; wooded rocky slopes Comment
  JEPS4923  Lobelia dunnii var. serrata G. B. Grant 1901-7-25 4453 Los Angeles Sturtevant Camp at e base of Mount Wilson, in e fork of Santa Anita Canyon, in the San Gabriel Range and in the Angeles National Fores Santa Anita Canyon; Angeles National Forest, San Gabriel Range, Mount Wilson Comment
  UCR259574  Lobularia maritima R. G. Swinney 2010-4-1 12135 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
  CAS-BOT-BC342204  Logfia filaginoides John H. Thomas 1957-4-27 6693 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume. 15 miles due west of Santa Monica 152 Comment
  CATA1768  Logfia filaginoides Denise Kraus 2000-4-27 19 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On western side of large, obvious rocky outcrop which is on western fuel break ridge 381 Comment
  SFV4889  Logfia filaginoides M. H. Grayum 1971-5-3 s. n. Los Angeles Santa Monica Mountains Tapia Park. 152 Comment
  RSA0112061  Lolium Steven A. Junak 2000-5-6 SCa- 1266 Los Angeles Santa Catalina Island. Small reservoir, along S side of Upper Empire Quarry Road, 0.8 mi. W of intersection w/road to Empire Landing housing. 97 Comment
  RSA588901  Lolium perenne subsp. multiflorum Timothy S. Ross, Steve Boyd 1990-5-15 2540 Los Angeles Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE). 1012 Comment
  UCR12136  Lomatium dasycarpum Art Whistler 1966-4-17 s.n. Los Angeles Western Transverse Range, Canoga Park, west of Cohasset, above Roscoe Blvd., near Valley Circle Blvd. Comment
  UC21201  Lomatium dasycarpum subsp. dasycarpum Dr. A. Davidson 1893-1 Los Angeles Los Angeles Comment
  RSA160507  Lomatium dasycarpum subsp. dasycarpum J. D. Olmsted 1959-4-15 377 Los Angeles 1/2 mile up Johnston's Pasture road north on Oxford from Baseline N of Claremont. Thompson Creek 579 Comment
  RSA452084  Lomatium dasycarpum subsp. dasycarpum George R. Johnston 1931-5-3 s.n. Los Angeles Santa Susana Mountains, Pico Canon. Comment
  POM8782  Lomatium lucidum P. A. Munz, R. D. Harwood 1920-5-2 3819 Los Angeles San Dimas Canyon. 457 Comment
  UCR197774  Lomatium mohavense Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 48 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
  RSA608911  Lomatium mohavense subsp. mohavense L. C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek at end of road and beginning of Burkhart Trail. 1585 Comment
  RSA0084176  Lomatium utriculatum Scott D. White, Sandra L. Leatherman 1998-5-19 6526 Los Angeles Castaic Lake Area: Grasshopper Cyn. watershed, between 1-5Fwy./Old Ridge Route and the Lake. Proposed North Lake Planned community. Large area, has evidenly been heavily grazed for many years. 427 Comment
  CAS-BOT-BC240493  Lonicera hispidula Lester Rowntree 1938-3-15 s.n. Los Angeles Catalina Comment
  POM4407  Lonicera interrupta I. M. Johnston 1917-8-23 1713 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  UC1587613  Lonicera interrupta Tim Ross 1991-8-14 5765 Los Angeles sw ridge descending from summit Roundtop [Mtn.]; San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1828 Comment
  JEPS12862  Lonicera subspicata var. denudata John Thomas Howell 1927-10-16 3157 Los Angeles between Sierra Madre and Santa Anita Canyon; San Gabriel Mts. Comment
  UCR179975  Lonicera subspicata var. denudata R. G. Swinney 1996-8-7 5210 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  RSA406757  Lotus argophyllus var. ornithopus Anonymous 1906-07 s.n. Los Angeles Santa Catalina Island Comment
  SEINET10907089  Lotus crassifolius Zona 1989-6-21 ZONA 345 Los Angeles Mtn high ski resort; w of wrightwood, n slopes of san gabriel mts. Abies Concolor, pinus jeffreyi, p. Ponderosa, quercus kelloggii, ceanothus cordulatus. Common herb in sunny areas on ski runs and at the base of slopes in disturbed Areas. Flowers pale yellow. Comment
  RSA229022  Lotus crassifolius var. crassifolius R. F. Thorne 1971-6-30 40752 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1616 Comment
  RSA561596  Lotus crassifolius var. crassifolius Steve Boyd 1993-5-24 8165 Los Angeles Ridgeline SE of saddle leading to May Peak 1097 Comment
  RSA527782  Lotus dendroideus var. traskiae Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4346 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA545195  Lotus dendroideus var. traskiae T. S. Ross 1992-4-14 6174 Los Angeles San Clemente Island, central E side of island; coastal bluff on E escarpment ca 20 m S of where Nanny Cyn drainage meets the sea 18 Comment
  RSA612083  Lotus hamatus Valerie L. Soza 1998-4-26 72 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. [Coordinates given are] at center of BFS. 411 Comment
  UCR131437  Lotus heermannii Alison Lipman 1998-4-24 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA579310  Lotus oblongifolius var. oblongifolius T. S. Ross 1994-7-1 8085 Los Angeles Sheep camp spring. 334 deg. and 520 m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon. 1921 Comment
  SFV1844  Lotus salsuginosus M. L. Vincent 1962-4-6 164 Los Angeles Santa Monica Mountain Old Topanga Canyon Road, 3 miles south of Ventura Blvd. Hillside. 400 Comment
  UC56568  Lotus salsuginosus W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  UCR156105  Lotus salsuginosus A. C. Sanders 2005-5-5 29882 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  UCR281642  Lotus salsuginosus R. G. Swinney 2014-5-8 16476 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
  RSA38855  Lotus salsuginosus E. A. Purer 1935-5-11 6549 Los Angeles Hillside, Malibu Road Comment
  SFV10441  Lotus salsuginosus var. salsuginosus M. J. Teiman 1979-4-27 20 Los Angeles Santa Susana Mountains Browns Canyon. Dry, disturbed field by road side. 365 Comment
  RSA0031844  Lotus scoparius Geraldine Dodd 1992-5-9 006 Los Angeles 3 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts. 1066 Comment
  RSA128253  Lotus scoparius H. J. Thompson 1959-10-23 1822 Los Angeles Point Dume. 30 Comment
  UC527635  Lotus scoparius C. B. Wolf 1931-7-2 Los Angeles 0.5 mi above the bridge on the road from Sunland to San Fernando; Little Tujunga Wash 335 Comment
  RSA498861  Lotus scoparius H. L. Bauer 1929-4-1 s.n. Los Angeles Santa Monica. Comment
  UCR190795  Lotus scoparius subsp. brevialatus R. G. Swinney 2001-5-18 7935 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCR177739  Lotus scoparius var. scoparius LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1088 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. 598 Comment
  LA52438  Lotus strigosus Louis C. Wheeler; 1932-3-23 520 Los Angeles Santa Monica Mountains, Westwood, near UCLA campus 121 Comment
  RSA0080793  Lotus strigosus R. G. Swinney 2010-4-13 12186 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom. 610 Comment
  RSA587349  Lotus strigosus Orlando Mistretta 1992-5-4 226 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  UCR209150  Lotus strigosus Dan S. Cooper 2009-4-22 409- 1 .1 Los Angeles Eastern Santa Monica Mtns., Burbank Peak, Griffith Park, Los Angeles 512 Comment
  POM11265  Lotus strigosus F. L. Robinson 1921-5-18 82 Los Angeles Claremont. 365 Comment
  POM304912  Lotus strigosus H. J. Ramsey 1937-3-21 279 Los Angeles Altadena. Alt. 1300 ft. 396 Comment
  CATA1375  Lotus unifoliolatus Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2497 Los Angeles Santa Catalina Island: Upper Bulrush Reservoir 292 Comment
  RSA568546  Lotus unifoliolatus G. R. Johnstone 1929-6-11 14915 Los Angeles Alhambra Comment
  POM9714  Lotus wrangelianus P. A. Munz 1921-4-24 4436 Los Angeles Ridge Road, near Castaic. 610 Comment
  RSA593760  Lotus wrangelianus Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8551 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  RSA0042215  Lotus wrangelianus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2831 Los Angeles Santa Catalina Island: Hillside above New York Harbor. 55 Comment
  RSA722937  Ludwigia grandiflora subsp. hexapetala R. E. Riefner Jr. 2007-6-28 7 -283 Los Angeles Harbor City, Bixby Slough, vicinity of 255th Street and Dodge Ave. 40 Comment
  UCR205648  Ludwigia peploides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36941 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  UCR275823  Lupinus D. E. Bramlet 2011-9-21 4950 Los Angeles San Gabriel Mountains, Pacifico Mountain 2163 Comment
  UCSB43746  Lupinus albifrons Morales, M. 1982-4-18 Los Angeles 1 mile southeast of Avalon across from Safeway dock on Crescent Road 6 Comment
  SBBG78234  Lupinus albifrons var. douglasii F. R. Fosberg 1931-5-12 4849 Los Angeles Descanso Cyn near Coach Rd [Stagecoach Rd] 300 Comment
  RSA414444  Lupinus arbustus B. C. Templeton 1932-5-31 4857 Los Angeles Big Pines Camp, Angeles National Forest 2134 Comment
  RSA0085281  Lupinus bicolor R. G. Swinney 2010-4-30 12468 Los Angeles near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  SD69603  Lupinus bicolor Robert F. Thorne, P. Everett 1965-5-12 34608 Los Angeles Bulrush Canyon, Santa Catalina Island. 244 Comment
  UC1129387  Lupinus bicolor A. D. Gifford 1935-3-15 475 Los Angeles mouth of Elizabeth Lake Canyon; Angeles National Forest, Tejon Quad. Comment
  UC865332  Lupinus bicolor F. R. Fosberg 1931-3-29 S 4377 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island (Santa Catalina Island); , Hamilton Canyon 100 Comment
  UCR255827  Lupinus bicolor R. G. Swinney 2010-5-12 12737 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  POM350036  Lupinus bicolor subsp. microphyllus Richard C. Barkelew 1929-4-22 16772 Los Angeles Malibu Hill, Los Angeles Comment
  SFV13338  Lupinus chamissonis M. J. Thor 1983-4-8 156 Los Angeles Los Angeles Basin Playa del Rey, Ballona Wetlands. 2 Comment
  CATA3403  Lupinus concinnus Peter J. Dixon 2016-5-12 052 Los Angeles Santa Catalina Island: Lower Coffee Pot Canyon, .5 mi east of Red Ridge Rd 200 Comment
  CATA469  Lupinus concinnus Sara L. Crockett, Steve Junak 1997-3-27 611 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly above beach; ca. 50 m upslope 42 Comment
  RSA87314  Lupinus concinnus F. W. Peirson 1919-5-11 2436 Los Angeles Arraster [Arrastre] Creek, north slope of San Gabriel Mts. 853 Comment
  RSA599284  Lupinus concinnus subsp. optatus Steve Boyd, Lauren Raz 1997-3-31 9420 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  POM11400  Lupinus elatus P. A. Munz 1921-6-18 4568 Los Angeles San Antonio Mountains, Swartout Valley. 1829 Comment
  UC311823  Lupinus elatus P. A. Munz 1921-6-18 4568 Los Angeles Swartout Valley; San Antonio Mtns., Swartout Valley 1828 Comment
  UCR14487  Lupinus elatus George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest, on Calif. Hwy 39 2134 Comment
  POM307957  Lupinus excubitus var. austromontanus Lyman D. Benson 1963-5-3 16257 Los Angeles Tejon Ranch, 1 mile east of State 138 and US99 near Gorman, Tehachapi Mt Range. 1220 Comment
  UCR186493  Lupinus excubitus var. austromontanus T. B. Salvato 2007-4-27 2095 Los Angeles Tehachapi Mountains Foothills, Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek 1098 Comment
  UC15868  Lupinus formosus J. H. Barber 1892-6-29 213 Los Angeles near Acton; near Acton Comment
  POM2543  Lupinus formosus var. formosus D. W. Sturges 1916-04 s.n. Los Angeles Foothills north of Claremont Comment
  SBBG38734  Lupinus guadalupensis R. Moran 1941-2-18 587 Los Angeles Middle Ranch Crk; ISOTYPE: L. moranii 30 Comment
  CATA587  Lupinus hirsutissimus Mark L. Hoefs 1991-4-7 1026 Los Angeles Santa Catalina Island: Upper Avalon Canyon, south-west of Divide Road 377 Comment
  RSA0087086  Lupinus hirsutissimus R. G. Swinney 2010-3-18 11975 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA515132  Lupinus hirsutissimus Aaron Liston, Orlando Mistretta, Loran Rieseberg 1989-4-28 795 -1 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  SFV7337  Lupinus hirsutissimus T. Gordon, M. H. Grayum 1975-3-21 853 Los Angeles Santa Monica Mountains Along Mulholland Highway about 5 miles west of Malibu Canyon Road. 305 Comment
  UC535506  Lupinus hirsutissimus Ira W. Clokey, B. Templeton Mar. 1929 4474 Los Angeles Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 250 Comment
  OBI69324  Lupinus hirsutissimus John Knapp, Denise Knapp 2003-5-10 68 Los Angeles Catalina Island, 367196.09N x 3695593.63E 27 Comment
  POM277135  Lupinus hirsutissimus E. S. Steele, H. S. Pratt 1935-2-20 s.n. Los Angeles Glendale. Comment
  RSA0091106  Lupinus latifolius subsp. latifolius R. G. Swinney 2011-6-30 15376 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA479881  Lupinus latifolius subsp. parishii Walter Wisura 1988-8-5 4248 Los Angeles Litlle fish fork of San Gabriel River above and around campground Comment
  SEINET10485636  Lupinus longifolius Hitchcock 1918-7-3 HITCHCOCK 17 Los Angeles Topanga canyon. Dry hillside. Comment
  RSA0003469  Lupinus moranii Reid V. Moran 1941-2-18 587 Los Angeles San Clemente Island: Middle Ranch Creek 30 Comment
  SEINET10841252  Lupinus odoratus var. odoratus David B. Dunn 1946-4-20 Dunn 2144 Los Angeles Station 13, west margin of Mohave Desert. Comment
  UCR256250  Lupinus sparsiflorus R. G. Swinney 2010-3-22 12082 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA611663  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10093 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  SBBG38750  Lupinus succulentus R. Moran 1941-3-4 676 Los Angeles Rocky Pt, Little Harbor 15 Comment
  SEINET953020  Lupinus succulentus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-1 26138 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, noth of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Cataic Lake dam (Warm Springs Mtn. 7.5' Q). 488 Comment
  LA52463  Lupinus succulentus H. Lewis; 1940-2-4 1052 Los Angeles Mulholland Hwy 304 Comment
  RSA251399  Lupinus succulentus Robert F. Thorne 1966-4-15 35995 Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 Comment
  UCSB3346  Lupinus succulentus McElwain, Isabelle 1953-4-12 Los Angeles Shoshone Ave. short distance N of intersection of Shoshone and Highwater Rd., Granada Hills 457 Comment
  CAS-BOT-BC176967  Lupinus truncatus A. C. Sanders 2003-3-14 25778 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
  CLARK-A1528-2852  Lupinus truncatus Art Whistler 1966-3-20 Los Angeles Chatsworth Comment
  UCR186696  Lupinus truncatus T. B. Salvato, Sandra Murcia 2007-3-28 2001 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
  RSA414388  Lupinus truncatus Robert M. Perkins 1936-5-3 182 Los Angeles San Gabriel Canyon Comment
  RSA228960  Luzula comosa var. laxa Robert F. Thorne 1971-8-25 41310 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  UC1871308  Lycium cooperi T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5011 Los Angeles Transverse Ranges; Liebre Mountains region; Paris: ca. one mile E of Acton, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash, T5N R12W SW 1/4 NE 1/4 SW 1/4 section 31; elevation ca. 2740 ft. 835 Comment
  RSA579134  Lycopersicon esculentum Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7437 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point. 12 Comment
  RSA628363  Lyonothamnus floribundus subsp. aspleniifolius Steven A. Junak 1997-8-28 SCI- 959 Los Angeles San Clemente Island: E escarpment of island, above first canyon N of Knob Canyon, near UTM 11 0370950E 3634300N 250 Comment
  RSA167789  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne, Percy C. Everett 1964-2-6 33431 Los Angeles ENE slope of Black Jack Mt. above airport road, central part of Santa Catalina Island 457 Comment
  RSA578203  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8187 Los Angeles Santa Catalina Island. 915m due SW from the Catalina Airfield runway, at the head of a Cottonwood Canyon tributary. 320 Comment
  RSA589871  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8208 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system, at head of Bouchette Canyon draining NE to Johnson's Landing. 405 Comment
  SD90357  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne, Doug Propst 1973-2-14 42479 Los Angeles Canta Catalina Island: Ironwood Gully on slopes of hill E of Isthmus above Banning House 182 Comment
  SBBG13265  Lyonothamnus floribundus var. aspleniifolius M. A. Piehl 1962-6-9 62321 Los Angeles head of cyn just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  POM3038  Lythrum californicum M. Hitchock 1918-7-28 27 Los Angeles Pacoima Canyon. Comment
  POM49335  Madia gracilis L. W. Nuttall 1920-6-1 s.n. Los Angeles Santa Catalina Island Comment
  SBBG31087  Madia sativa R. F. Thorne 1966-6-1 36460 Los Angeles Pebbly Beach Drive, SE of Avalon 7 Comment
  CAS-BOT-BC343599  Madia sativa Rev. J. C. Nevin 1882-1-1 s.n. Los Angeles Verdugo Canon [Canyon] Comment
  RSA0056244  Malacothamnus Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon. 543 Comment
  CAS-BOT-BC230901  Malacothamnus davidsonii C. B. Wolf 1931-10-23 2496 Los Angeles Swartout Valley, 1/8 ,i. E. of Wrightwood Lodge, San Gabriel Mts. 1828 Comment
  POM21363  Malacothamnus davidsonii Fordyce Grinnell Jr. 1917-8-19 s.n. Los Angeles Paicoma Wash near San Fernando Comment
  UC198500  Malacothamnus marrubioides Katharine Brandegee c. 1889 Los Angeles Comment
  UC1375262  Malacothamnus orbiculatus Robert F. Thorne and C. W. Tilforth 1971-6-29 40710 Los Angeles at Tie Canyon where crossed by Angeles Forest Rd.; San Gabriel Mountains, Angeles National Forest, Aliso Creek 1371 Comment
  UCR190088  Malacothrix clevelandii R. G. Swinney 1998-8-5 6646 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  RSA182743  Malacothrix coulteri J. Massey, James Henrickson 1966-4-9 1200 Los Angeles Mojave Desert, east of High Vista Comment
  POM362304  Malacothrix glabrata B. C. Templeton 1930-5-19 1462 Los Angeles Mint Canyon, San Gabriel Mts. 600 Comment
  RSA547431  Malacothrix glabrata Timothy S. Ross 1992-5-17 6357 Los Angeles E Fork of the the San Gabriel River; about 95m S of the mouth of Shoemaker Canyon 655 Comment
  LA32065  Malacothrix saxatilis var. tenuifolia Peter H. Raven; 1959-2-23 13804 Los Angeles Santa Monica Mountains, Mulholland Dr 3.1 mi. E of Decker Road 548 Comment
  UC750620  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1946-12-20 46283 Los Angeles Malibu Comment
  POM126439  Malosma laurina R. L. Pendleton 1909-7-7 s.n. Los Angeles Moonstone Beach, Santa Catalina Island. 6 Comment
  CAS-BOT-BC206650  Malva assurgentiflora Reid Moran 1941-2-26 625 Los Angeles Northeast slope of rock, Indian Rock, Wilson's Harbor, Santa Catalina Island 5 Comment
  UCR50856  Malva nicaeensis A. C. Sanders 1988-5-18 7818 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR274961  Marah fabacea Michael Honer, Rachel Woodard 2006-4-11 2175 Los Angeles Tehachapi Mountains area, Grazed hills c. 3.5 miles ENE of Quail Lake 976 Comment
  RSA598846  Marah horrida Steve Boyd, Timothy S. Ross 1997-3-21 9218 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR192161  Marah horrida A. C. Sanders 2008-4-18 34979 Los Angeles Transverse Range, upper Cow Spring Canyon, along wash 1072 Comment
  RSA0119799  Marah macrocarpa R. G. Swinney 2014-5-15 16518 Los Angeles San Gabriel Mountains; Azusa Peak, 0.06 miles s. of Glendora Ridge Mtwy., 1.34 mi. due east of Hwy. 39, 0.15 miles e. of north Garcia Trailhead, in Colby Fire burn area of Jan. 2014. 625 Comment
  RSA121896  Marah macrocarpa A. D. Gifford 1935-4-14 578 Los Angeles 2 1/2 miles E. of Whitaker Pk. 915 Comment
  RSA440964  Marah macrocarpa F. R. Fosberg 1931-3-18 4287 Los Angeles Hamilton Canyon. 10 Comment
  UC557758  Marah macrocarpa Nell Murbarger May, 1936 240 Los Angeles San Clemente Island Comment
  SDSU7022  Marrubium vulgare D. F. Howe 1915-4-1 38 Los Angeles Claremont. Comment
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Dec 5 2008
  UCR3959  Marrubium vulgare Art Whistler 1965-5-1 s.n. Los Angeles San Fernando Valley, Chatsworth, at the W base of 'Stony Point,' which is at the N end of Topanga Canyon Blvd. 305 Comment
  UCD125009  Marrubium vulgare Gordon Pilone 1961-3-22 168 Los Angeles south of the Santa Anna Botanic Gardens in Claremont, San Gabriel Mountain Range. Comment
  CAS-BOT-BC422740  Meconella denticulata John Thomas Howell 1928-4-18 3726 Los Angeles N. side of Griffith Park Comment
  LA206254  Meconella denticulata Louis C. Wheeler; 1934-3-23 2466 Los Angeles San Gabriel Mountains, San Dimas Canyon 426 Comment
  OBI35717  Medicago polymorpha Rebecca Cicoria 1982-4-25 46 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling Hills Comment
  SDSU5046  Medicago polymorpha Gerald Collier 1951-4-7 3688 Los Angeles Edge of beach 80 yards from shore in sand. Zuma beach north of Malibu just off U.S. highway 101. Comment
  RSA773854  Medicago sativa R. G. Swinney 2009-8-19 11458 Los Angeles Confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  UCR223266  Medicago sativa R. G. Swinney 2009-8-19 11458 Los Angeles Transverse Range; San Gabriel Mtns., confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  CAS-BOT-BC281512  Melica imperfecta Timothy S. Ross; Steve Boyd 1991-4-25 4600 Los Angeles San Gabriel Mts: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft elev) 557 Comment
  POM357041  Melica imperfecta Freda Detmers, Edith Purer 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  UC1108611  Melica imperfecta Huron H. Smith 1912-5-31 5059 Los Angeles Pebble Beach Road; Santa Catalina Island 7 Comment
  UCR2560  Melica imperfecta F. M. Reed 1909-7-2 2807 Los Angeles Channel Islands, Santa Catalina Island, Pebbly Beach Road near Avalon 12 Comment
  RSA0030866  Melica imperfecta Carl Epling 1931-4-25 Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA126735  Melilotus indicus Peter H. Raven 1959-4-4 13978 Los Angeles Point Dume, near houses behind point. 21 Comment
  UC1211017  Melilotus indicus Huron H. Smith 1912-6-13 5101 Los Angeles Rock Spring Canyon Santa Catalina Island 60 Comment
  HSC15024  Melilotus indicus C. S. Apperson 1967-6-3 Los Angeles 4 mi. from Gorman on Hwy. 138 Comment
  POM348182  Melilotus indicus Patricia Krueger 1940-7-20 20516 Los Angeles Compton, Los Angeles County Comment
  RSA649799  Melilotus indicus Matt Brooks 1988-5-7 30 Los Angeles Whittier, Dark Canyon 0.2 miles east of its confluence with Sycamore Canyon. Comment
  RSA654341  Melilotus officinalis Valerie L. Soza, Laura Moore 2000-5-30 970 Los Angeles Liebre Mountains: San Francisquito Canyon, at Los Angeles Dept of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, W of San Francisquito Canyon Road. 487 Comment
  UCR189281  Mentzelia R. G. Swinney 1998-5-16 6095 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  UCR231915  Mentzelia affinis Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7994 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m west of Sierra Highway and 200 m south of Avenue A 703 Comment
  SBBG125862  Mentzelia congesta A. Parikh, N. Gale 2010-6-10 3279 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.5 km NW of State Hwy 14; E Liebre Mtns 1100 Comment
  RSA440461  Mentzelia laevicaulis G. R. Johnstone 1930-8-10 s.n. Los Angeles San Gabriel Canyon. 457 Comment
  UCR272686  Mentzelia micrantha Steven A. Junak 2000-5-18 SCa- 1289 Los Angeles Channel Islands, Santa Catalina Island, west side of Avalon Canyon, overlooking Las Lomas Road, just downslope fom Hogsback Road 91 Comment
  RSA0106884  Mentzelia micrantha Steven A. Junak, Mark Hoefs 1997-6-4 SCa- 410 Los Angeles Santa Catalina Island. W end of Empire Landing rock quarry site, on E side of small canyon just E of UTM 11. 36 Comment
  CHSC35803  Mentzelia veatchiana Roberta G. Robertson 1974-4-27 219 Los Angeles 3.0 mi S. of junction Pearblossom Hwy. (Hwy 138) and Largo Vista Rd (Hwy N4) on Largo Vista Rd., Antelope Valley, 20.7 air miles ESE Palmdale. 1036 Comment
  RSA0060683  Mentzelia veatchiana R. G. Swinney 2009-4-2 10259 Los Angeles Bob s Gap, 3.2 miles south of Hwy 138 on east side of Bob s Gap Road. 1223 Comment
  UCR250378  Mentzelia veatchiana A. C. Sanders, Plant Tax. Class 2014-4-12 41010 Los Angeles Mojave Desert, NW of Pinon Hills, 233rd St. East, 0.2 km south of Hwy 138 1095 Comment
  RSA402637  Mesembryanthemum nodiflorum Robert Gustafson 1980-8-29 1798 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  SBBG108956  Micranthes californica S. A. Junak 1997-3-13 SCl 770 Los Angeles just downstream from head of E fork of first cyn E of Mosquito Cyn 347 Comment
  SBBG113265  Microseris douglasii S. A. Junak 1997-3-27 SCa 357 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  POM363438  Microseris lindleyi Anstruther Davidson, H. E. Hasse 1906-06 1473 Los Angeles Big Rock Creek. Comment
  UCR108334  Microseris lindleyi L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mtns., N of Mill Canyon off Soledad Canyon, near Ravenna 716 Comment
  UCR126898  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26150 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  SEINET6043913  Microsteris gracilis Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UC1587739  Mimulus Tim Ross and Steve Boyd 1990-6-6 2879 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle 644 Comment
  RSA447918  Mimulus aurantiacus R. S. Felger 1968-6-13 s.n. Los Angeles Elsmere Canyon, Angeles Natl. Forest, ca. 2 mi SE of Newhall. 518 Comment
  RSA0085079  Mimulus aurantiacus Sam Tyson 1943-4-24 s.n. Los Angeles San Dimas Canyon. 427 Comment
  RSA0087021  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-4-30 12450 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA248671  Mimulus aurantiacus var. pubescens Christopher Davidson 1974-6-4 2287 Los Angeles Tapia Park, off Malibu Canyon Rd. Comment
  UC688888  Mimulus aurantiacus var. pubescens J. F. Ashley 1941-5-10 Los Angeles Chatsworth Lake Comment
  RSA0105041  Mimulus brevipes R. G. Swinney 2011-4-26 14469 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA652952  Mimulus cardinalis A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23276 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln and Aliso Canyon watersheds. 610 Comment
  POM308488  Mimulus cardinalis Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3083 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  RSA420657  Mimulus cardinalis T. Gertrude Williamson 1924-08 s.n. Los Angeles Catalina Island. Comment
  JEPS16271  Mimulus constrictus A. D. Gifford 1935-5-11 709 Los Angeles 2 1/2 mi s Neenach; Tejon Quadrangle Comment
  RSA682650  Mimulus guttatus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1038 Los Angeles South side of mountains: Brand Canyon, below the large waterfall, where the canyon forks off. 393 Comment
  RSA80137  Mimulus guttatus F. W. Peirson 1918-6-28 259 Los Angeles Sierra Madre trail to Mt. Wilson, San Gabriel Mountains 838 Comment
  UC27140  Mimulus johnstonii A. Davidson Aug. 1892 Los Angeles Wilson's Peak Comment
  RSA589102  Mimulus moschatus Orlando Mistretta, Tim S. Ross, Carolyn Neal 1994-7-1 1397 Los Angeles San Gabriel Mtns; Santiago Canyon, Sheep Camp Spring, NW of summit of Pacifico Mountain. 1921 Comment
  RSA80486  Mimulus palmeri F. W. Peirson 1907-7-9 1124 Los Angeles Pine Flats Comment
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Dec 10 2014
  UCR271066  Mimulus palmeri R. G. Swinney 2011-6-6 15013 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  POM145762  Mimulus parishii Thos. Craig 1927-6-19 489 Los Angeles 10 miles west of Ravenna. Comment
  POM306773  Mimulus pilosus Henry J. Ramsey, Henry J. Ramsey 1937-9-2 1624 Los Angeles Ladybug Canyon, Angeles Crest Highway. Comment
  CAS-BOT-BC174702  Minuartia nuttallii A. J. McClatchie 1893-8-16 182 Los Angeles Summit San Antonio Mt. Comment
  RSA602805  Minuartia nuttallii subsp. gracilis L. C. Wheeler 1967-9-13 10744 Los Angeles San Gabriel Mountains: West Baldy. 3018 Comment
  RSA771768  Mirabilis laevis R. G. Swinney 2009-5-20 10812 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  CAS-BOT-BC434643  Mirabilis laevis var. crassifolia John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  CATA255  Mirabilis laevis var. crassifolia Mark L. Hoefs, A. Douglas Propst 1973-5-4 259 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  RSA464644  Mirabilis laevis var. crassifolia Bonnie C. Templeton 1968-2-25 11388 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  UC7655  Mirabilis laevis var. crassifolia Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  NY622188  Mirabilis laevis var. crassifolia Mr. Rich s.n. Los Angeles Comment
  RSA0027962  Mirabilis laevis var. crassifolia Diane Elliott 1985-5-10 25 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  RSA0119031  Mirabilis multiflora var. pubescens Michael Honer 2007-4-24 2526 Los Angeles Tehachapi Mnts Foothills: east end of Oso Canyon c. 1.5 mi north of Hwy 138. 976 Comment
  UCR36458  Mirabilis multiflora var. pubescens A. C. Sanders, F. C. Vasek 1984-6-6 5085 Los Angeles Mojave Desert, Antelope Valley, dry grain field along Hwy 138 [at Ave 100 West], 0.6 mi east of where it crosses the California Aqueduct, 7 mi east of Ave. 170 W 884 Comment
  RSA461755  Mollugo verticillata Anstruther Davidson 1893-8-13 s.n. Los Angeles Garvanza. Comment
  RSA638956  Monardella australis subsp. australis Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: North side of Burkhart Saddle. 2104 Comment
  UC1584902  Monardella australis subsp. cinerea Tim Ross, Steve Boyd 1991-7-24 5594 Los Angeles near Pacifico Mountain Road x Roundtop Truck Road intersection; Pacifico Mtn. USGS 7.5 quad., Grantite Mountain vicinity 1901 Comment
  CAS-BOT-BC219843  Monardella breweri subsp. breweri Ynez Whilton Winblad 1941-6-4 s.n. Los Angeles Antelope Valley, between Lancaster and highway 99 Comment
  RSA311431  Monardella breweri subsp. breweri Michael C. Long 1974-5-19 s.n. Los Angeles 1/4 mi S of parking area, Devil s Punchbowl Co. Park. San Gabriel Mountains. 1463 Comment
  RSA0091157  Monardella breweri subsp. lanceolata R. G. Swinney 2011-10-10 15737 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  UCR223144  Monardella breweri subsp. lanceolata R. G. Swinney 2009-7-22 11338 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR192893  Monardella cinerea R. G. Swinney 1999-8-9 7608 Los Angeles San Gabriel Mtns., east end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  RSA230204  Monardella lanceolata var. lanceolata Robert F. Thorne 1969-7-2 38268 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  SFV20885  Morus alba L. Gross, B. Hogshead, V. Soza 2003-5-29 965 Los Angeles Verdugo Mountains West end of Verdugo 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). Went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). 549 Comment
  RSA603263  Muhlenbergia californica L. C. Wheeler 1932-9-9 1360 Los Angeles San Antonio Canyon 1067 Comment
  RSA739661  Muhlenbergia microsperma John Dittes 2006-6-4 1393 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Raod, 2.3 ir miles NW of chatsworth Highchool, 0.9 air mile W of Topanga Blvd, 0.8 air mile ENE of Santa Susana Pass 381 Comment
  RSA0091861  Muhlenbergia microsperma Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1523 Los Angeles Santa Catalina Island. E of Little Harbor, just S of Sheep Chute Ridge Road, ca. 0.2 mile from intersection with Little Harbor Road, overlooking Campo Blanco Canyon. 79 Comment
  UCR209876  Muhlenbergia rigens R. G. Swinney 2008-7-13 9190 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
  UCR181243  Muilla coronata R. G. Swinney 1997-6-13 5569 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 0.5 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 2073 Comment
  POM175352  Muilla maritima E. Crow, L. West 1930-6-29 s.n. Los Angeles San Gabriel Mts. Trail below Crystal Lake. Comment
  UCR189890  Muilla maritima R. G. Swinney 1998-7-27 6496 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCSB41565  Muilla maritima Eldred, E. 1977-5-30 Los Angeles Rte. 39, 3 miles south of Crystal Lake 1219 Comment
  SBBG97030  Myriopteris newberryi S. Boyd with T. Ross, L. Arnseth 1990-4-8 4413 Los Angeles Bryce Cyn near Malo Pt Comment
  RSA421091  Nama californica Anstruther Davidson 1907-1 s.n. Los Angeles Antelope Valley Comment
  POM4190  Nama stenocarpa L. R. Abrams 1899-04 340 Los Angeles Soldier s Home. 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
  RSA526618  Nassella cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4206 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA702538  Nassella cernua Scott D. White 2004-5-5 10285 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA656212  Nassella lepida Joseph M. Keefe 1978-5-23 23252 Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  RSA609016  Nasturtium officinale L. C. Wheeler 1931-4-17 s.n. Los Angeles San Dimas: Puddingstone. Comment
  RSA258417  Nasturtium officinale C. W. Tilforth 1972-4-19 503 Los Angeles Rancho Santa Ana Botanic Garden. In and near trickle ponds on the mesa. Comment
  POM219974  Navarretia hamata subsp. leptantha F. R. Fosberg 1932-5-7 8165 Los Angeles Santa Catalina Island. Summit of Coach Road. Comment
  UC709723  Navarretia prostrata Rev. J. C. Nevin May 1882 Los Angeles near Wilmington Comment
  CAS-BOT-BC109083  Nemacaulis denudata var. denudata Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA777355  Nemacladus longiflorus var. breviflorus Orlando Mistretta, Christine Mistretta 2010-5-19 5102 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA587205  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 1995-5-2 1660 Los Angeles San Gabriel Mountains, Carr Canyon. 1036 Comment
  SEINET269310  Nemophila menziesii Scott D. White, Chet McGaugh 1995-5-9 3017 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando road and 457 Comment
  SFV2986  Nemophila menziesii P. G. Kilburn 1958-3-29 669 Los Angeles Santa Susana Mountains Phil Gentile Ranch. 450 Comment
  RSA607224  Nemophila menziesii var. integrifolia Louis C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon. 1128 Comment
  UCR265030  Nemophila pulchella var. fremontii Mitch Provance, Callen Huff 2009-4-28 10765 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  LA52034  Neogaerrhinum kelloggii Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA52040  Neogaerrhinum kelloggii Carl Epling; 1926-2-21 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  CATA2879  Nerium oleander Sara L. Crockett, Michael Daligdig 1996-11-4 37 Los Angeles Santa Catalina Island: Directly across from Tuna Club, adjacent to street 9 Comment
  UCR210433  Nerium oleander R. G. Swinney 2008-11-30 9879 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  RSA668154  Nicotiana attenuata Ian Swift 2001-5-17 131 Los Angeles Upper Soledad Cyn., Santa Clara River wash, 0.5 mi. southeast of Acton. 939 Comment
  RSA729607  Nicotiana attenuata R. G. Swinney 1998-7-10 6370 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  RSA699999  Nicotiana bigelovii Kenneth Beard s.n. Los Angeles Along coast highway; north of Santa Monica Comment
  POM4066  Nicotiana bigelovii var. wallacei Voorhees 1900-5-11 s.n. Los Angeles Claremont. 366 Comment
  LA45886  Nicotiana glauca W. R. Ernst; April 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  LA200073  Notholaena californica Lawrence L. Kiefer; 1962-12-30 345 Los Angeles SIMI HILLS, hills NW of Chatsworth (Simi Hills?). 304 Comment
  CAS-BOT-BC71161  Notholaena californica Louis C. Wheeler 1932-7-9 955 Los Angeles 3/4 mi. from mouth Rogers Canyon, San Gabriel Mts. 304 Comment
  SBBG112780  Nuttallanthus texanus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 527 Los Angeles Little Ripper's Cyn, just inland from beach 36 Comment
  UC20405  Oenothera californica subsp. californica J. H. Barber 1897-6-27 197 a Los Angeles Aliso Canyon Comment
  IRVC28614  Oenothera elata A. C. Sanders, Mark Elvin 2002-6-20 25239 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  POM3090  Oenothera elata subsp. hirsutissima M. Hitchcock 1918-7-28 26 Los Angeles Pacoima Canyon. Near San Fernando Valley. Comment
  SD197842  Oenothera rosea A. C. Sanders, T. B. Salvato 2009-5-21 36906 Los Angeles San Gabriel Valley: Whittier Narrows, between San Gabriel River and Rio Hondo, west side of highway 19 (Rosemead Boulevard) along road to shooting area, south of highway 60 along SCE powerlines. 64 Comment
  CATA3489  Oenothera speciosa Olivia Reda, Jaimie Choi, Julia Parish 2017-6-7 003 Los Angeles Santa Catalina Island: Channel side; by the flag pole at White's Landing, about 10m west of beach 7 Comment
  CATA3444  Oligomeris linifolia Benjamin J. Dion, Tobias Nickel 2017-5-11 026 Los Angeles Santa Catalina Island: Pacific Side; edge of cliff in Cactus Bay watershed 331 Comment
  CAS-BOT-BC427451  Oligomeris linifolia Geo. B. Grant 1902-7-1 869 Los Angeles Unspecified Comment
  RSA459622  Opuntia basilaris Ora M. Clark 1929-3-30 1911 Los Angeles W. Lancaster. Comment
Read comments
Apr 10 2012
  UCSB24419  Opuntia basilaris Rieser, R. 1966-5-13 Los Angeles Mint Canyon Campground; on west side of State 6; 8.5 miles north of intersection of State 6 and Soledad Canyon Rd. 640 Comment
  CAS-BOT-BC56214  Opuntia basilaris var. basilaris Ira L. Wiggins 1937-3-10 8775 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  POM286852  Opuntia basilaris var. brachyclada Edwin F. Wiegand 184 Los Angeles Collected at Valyermo Comment
  PASA1870  Opuntia lindheimeri Chester T. Allcott Los Angeles Arroyo Seco Comment
  CAS-BOT-BC56850  Opuntia littoralis E. R. Blakley 1962-6-10 5248 Los Angeles Field redacted by CAS, contact the data manager for more information 7 Comment
  UCR178226  Oreonana vestita LeRoy Gross, Valerie Soza 2003-6-10 1018 Los Angeles Transverse Ranges; San Gabriel Mountains region, Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy 2896 Comment
  RSA0066505  Orobanche californica subsp. feudgei Robert F. Thorne, C. W. Tilforth 1971-6-30 40755 Los Angeles San Gabriel Mts., Angeles National Forest: ca. 0.3 mi. below Alder Saddle along a dry branch of the S Fork of Little Rock Creek. 1615 Comment
  RSA714691  Orobanche fasciculata A. C. Sanders, Mark A. Elvin 2003-6-18 26946 Los Angeles Around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  UCR128015  Orobanche parishii subsp. parishii Mark A. Elvin 2003-8-13 2980 Los Angeles NE end of the Santa Susana Mtns., Newhall Ranch, Potrero Canyon south of Potrero Creek 360 Comment
  RSA0059159  Orobanche parishii subsp. parishii Anstruther Davidson 1889-08 s.n. Los Angeles North of River Reservoir. Los Angeles. Comment
  CAS-BOT-BC502952  Orobanche vallicola Fay A. Mac Fadden 1942-3-8 16187 Los Angeles Tick Canyon; between MInt and Soledad canyons, north of San Fernando [elev. is for this canyon floor per note on sheet] 762 Comment
  RSA0059341  Orobanche vallicola Wayne P. Armstrong 1979-7-6 s.n. Los Angeles Claremont: Pomona College Campus; park area W of junction between Mills Avenue and Blanchard Place; S of observatory area. Comment
  RSA402082  Orthocarpus purpurascens George R. Johnston 1932-4-24 15119 Los Angeles 15 mi. E of Palmdale Comment
  SEINET10661460  Oryza sativa Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3889 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  POM68648  Osmorhiza brachypoda Marcus E. Jones 1924-4-16 s.n. Los Angeles Stoddard Canon. Mouth of San Antonio Canyon. Comment
  RSA225722  Oxalis albicans subsp. californica Robert F. Thorne, Arthur C. Gibson 1971-5-22 39737 Los Angeles Fish Canyon. 305 Comment
  SD232783  Oxytheca luteola A. C. Sanders, E. J. Lott 1993-5-6 13947 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Hwy at Ave G, to 1/10 mi NW of intersection. 705 Comment
  RSA392907  Oxytheca parishii var. parishii F. R. Fosberg, Joseph A. Ewan 1931-12-8 s.n. Los Angeles Buckhorn Trail, Islip-Williamson divide, between Bear Creek and Big Rock Creek, San Gabriel Mountains. 2000 Comment
  RSA529188  Oxytheca parishii var. parishii Tim S. Ross, Steve Boyd 1991-7-24 5647 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1915 Comment
  SD247487  Oxytheca parishii var. parishii R. G. Swinney 2010-10-8 14010 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mount Hawkins on Hawkins Ridge (Crystal Lake 7.5'Q) 2421 Comment
  CAS-BOT-BC317059  Packera multilobata Robert F. Thorne 1969-7-2 38334 Los Angeles San Gabriel Mountains, Angeles National Forest: at Cortalyou Spring, ca. 1 mile E of Islip Saddle on Angeles Crest Highway 2072 Comment
  UCR125406  Paeonia californica A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25698 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCSB49819  Paeonia californica Reisentz, Paul 1975-3-16 Los Angeles 2 miles east on Stunt Rd. from Mulholland Hwy., Santa Monica Mtns. 365 Comment
  CAS-BOT-BC253672  Panicum capillare F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottoms, near Los Angeles Comment
  RSA657222  Paspalum dilatatum Patricia Kouo 1994-4-27 944144 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  SEINET255569 Image available Paspalum vaginatum C. Wishner, A. Gale, 2005-8-12 Los Angeles Santa Monica Mountains, Malibu Lagoon State Bench. 3 Comment
  UCR117134  Passiflora caerulea A. C. Sanders, D. Malueg 2001-5-17 24330 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  RSA654020  Pectocarya linearis subsp. ferocula Valerie L. Soza, Laura Moore 2000-5-10 842 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines. 579 Comment
  POM368760  Pectocarya linearis subsp. ferocula Anonymous 1921-4-3 s.n. Los Angeles Santa Monica Mountains Comment
  UCR125409  Pectocarya penicillata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25701 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR214047  Pectocarya penicillata A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37973 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  RSA587346  Pectocarya setosa Orlando Mistretta 1992-5-4 223 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  POM4361  Pedicularis densiflora G. Bragg s.n. Los Angeles Mts. above Claremont. Johnson. Comment
  IRVC29544  Pellaea andromedifolia A. C. Sanders 2003-4-29 26162 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  LA94139  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-6 1647 Los Angeles SANTA MONICA MOUNTAINS, [San] Nicholas Canyon, ca 1 mi. from canyon mouth. 182 Comment
  RSA526594  Pellaea andromedifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4178 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  RSA686723  Pellaea andromedifolia M. Bisbee 1917-5-3 s.n. Los Angeles N side Eagle Rock Valley Comment
  UC792410  Pellaea andromedifolia Ira L. Wiggins 1949-2-22 11963 Los Angeles ne end San Clemente Isl 30 Comment
  RSA187952  Pellaea andromedifolia var. andromedifolia R. F. Thorne 1966-4-28 36232 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  SEINET6626522  Pellaea mucronata G. B. Grant, W. Wheeler 1904-1 920 /6194 Los Angeles Santa Catalina Island, off southern California Comment
  SFV22074  Pellaea mucronata R. G. Swinney, J. Strong 2009-4-7 10304 Los Angeles San Gabriel Mountains San Antonio Canyon, 2.4 miles north of Shinn Road. Canyon bottom at pond. 1073 Comment
  UCSB45224  Pennisetum setaceum Batson, J. 1979-5-12 Los Angeles Highway 1 at its junction with Highway 23 near Malibu 22 Comment
  RSA171017  Penstemon centranthifolius Robert F. Thorne 1963-7-11 32777 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  RSA573733  Penstemon centranthifolius Tim S. Ross 1992-7-17 6722 Los Angeles San Gabriel Mtns: Summit of Condor Peak. 1645 Comment
  RSA613609  Penstemon centranthifolius Louis C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Head of Mattox Canyon at Santa Clara Divide Road. 1250 Comment
  SEINET2042297 Image available Penstemon centranthifolius B. Pitzer 1998-5-12 3712 Los Angeles Western Mojave Desert; HWY 18 (=Hwy 138 = Palmdale Hwy), ca. 1 mi W of the San Bernardino Co. Line. (Mescal cCreek 7.5') 1171 Comment
  UC566018  Penstemon centranthifolius A. D. Gifford 1935-2-12 432 Los Angeles 2 1/2 mi ssw Redrock Mountain; Tejon Quadrangle Comment
  RSA285889  Penstemon centranthifolius D. C. Michener 1982-5-12 4039 Los Angeles 0.5 mile west of junction of Valyermo and Pallette Creek Road, on latter. Comment
  UCSB18468  Penstemon centranthifolius Lakatos, Susie 1964-3-28 Los Angeles fire road behind Topanga Elementary School; 4.3 miles on Topanga Canyon Blvd. from intersection with U.S. Highway 101 Comment
  RSA0057886  Penstemon grinnellii Richard G. Swinney 2010-9-7 13698 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA97112  Penstemon grinnellii subsp. grinnellii R. M. Straw 1954-6-17 629 Los Angeles Red Box Canyon, 2 miles west of road junction; Angeles National Forest, San Gabriel Mountains. Comment
  UC1063208  Penstemon grinnellii var. scrophularioides A. D. Gifford 1935-3-19 474 Los Angeles 1 mi ne Sawmill Mountain; Angeles National Forest, Tejon Quad., ne of Sawmill Mt. 1493 Comment
  RSA670700  Penstemon heterophyllus Bonnie C. Templeton 1947-5-21 6285 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA755839  Penstemon heterophyllus R. G. Swinney 2008-6-25 9100 Los Angeles Glendora, West Harrow Canyon, 0.4 mi. NW of Harrow Canyon Debris Basin 439 Comment
  RSA248652  Penstemon heterophyllus Christopher Davidson 1974-6-4 2284 Los Angeles Tapia Park, off Malibu Canyon Rd. Comment
  SEINET12272293  Penstemon heterophyllus Unknown 1936-1 Los Angeles Santa Monica Mts., Mt. Malabu Comment
  RSA226345B  Penstemon heterophyllus var. australis Robert F. Thorne, C. W. Tilforth 1971-6-17 39917 Los Angeles 1.4 mile along Placerita Canyon Road beyond Sand Road Junction, W end of San Gabriel Mountains 610 Comment
  RSA408091  Penstemon heterophyllus var. australis T. W. Minthorn 1913-5-25 s.n. Los Angeles Santa Anita Canyon. Comment
  RSA567160  Penstemon labrosus Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3896 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  SEINET13276749 Image available Penstemon labrosus R. G. Swinney 2011-1 15717 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
  SD230301  Penstemon rostriflorus Steve Boyd 1997-7-5 10005 Los Angeles Liebre Mountains Region: Southeastern flank of Liebre Mt. along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuel break. 1524 Comment
  RSA712715  Penstemon spectabilis A. C. Sanders 2003-3-14 25764 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  UCSB32473  Penstemon spectabilis Coz, Susan 1977-6-4 Los Angeles Across from Tapia Park, 5 mi. north of Malibu Canyon Road from Hwy. 1, on East side of road 182 Comment
  UCD124336  Penstemon spectabilis var. subviscosus Geoffrey Levin 1974-5-2 67 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. 335 Comment
  UC88028  Pentachaeta fragilis T. S. Brandegee Los Angeles San Pedro Comment
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Nov 11 2010
  RSA687377  Pentagramma triangularis subsp. triangularis B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  UCSB62248  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-6-5 Los Angeles San Gabriel Mtns., Glendora Ridge Rd., ca. 1 mi. e. of Peacock Saddle 1158 Comment
  UCSB30919  Pentagramma triangularis subsp. viscosa Parker, V. 1974-3-27 Los Angeles On ocean exposed NE slope 600 ft. above ocean; Fisherman's Cove, Santa Catalina Island 182 Comment
  UC586881  Perideridia parishii subsp. latifolia Joseph Andorfer Ewan 1934-8-13 8302 Los Angeles 1/2 mi w Windy Camp (about spring); San Gabriel Mts., Mt. Islip 2286 Comment
  RSA471843  Perityle emoryi F. R. Fosberg 1931-4-29 4715 Los Angeles 1/2 mile below Eagles nest Middle Ranch Canyon, Santa Catalina Island 160 Comment
  UC56822  Petunia parviflora Ernest Braunton 1901-5-10 348 Los Angeles Studebaker Comment
  UCR219942  Phacelia brachyloba R. G. Swinney, Jane Strong 2009-4-21 10407 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  RSA428305A  Phacelia brachyloba George C. Johnston 1927-10-30 s.n. Los Angeles Upper part of Big Tujunga Canyon. Comment
  RSA136784  Phacelia cicutaria var. hispida Percy C. Everett 1960-5-30 24136 Los Angeles San Gabriel Canyon, 2.2 mi. from entrance to Angeles Nat. Forest. 366 Comment
  RSA427635  Phacelia cicutaria var. hispida Richard C. Barkelew 1929-4-7 15835 Los Angeles Mulholland Highlands Comment
  UC1870170  Phacelia cryptantha LeRoy Gross 2005-4-28 2153 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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 1324 Comment
  UC1594360  Phacelia distans Tim Ross 1992-5-17 6346 Los Angeles 260 m w mouth of Cattle Canyon (near elbow of river); San Gabriel Mountains, E Fork of the San Gabriel River 576 Comment
  RSA226937  Phacelia distans Robert F. Thorne 1971-6-17 39964 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA426231  Phacelia distans Robin S. Collins 1973-5-15 276 Los Angeles Trail Canyon, within 1 mile of beginning of pack trail 671 Comment
  RSA571536  Phacelia distans Steve Boyd 1994-4-29 8299 Los Angeles Side draw on northeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  RSA615711  Phacelia distans Louis C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravennna. 716 Comment
  SEINET12280103  Phacelia distans E. A. Purer 1935-1 6596 Los Angeles Comment
  JEPS2329  Phacelia douglasii W. L. Jepson 1935-4-17 17049 Los Angeles 6 1/2 mi w Lancaster; w. Mohave Desert 731 Comment
  RSA533936  Phacelia floribunda Tim S. Ross, Mistretta, Hammitt 1991-5-18 5225 Los Angeles San Clemente Island, southeast end of island; easternmost branch of Snake cactus canyon (drainage beginning 2350 ft due W of Guds) 130 Comment
  SFV16223  Phacelia grandiflora P. A. Krueger 1994-5-18 44 Los Angeles San Gabriel Mountains 2.4 miles north on Mount Lowe Truck Trail from Chaney Trail. 900 Comment
  POM4506  Phacelia imbricata subsp. bernardina Dian Haynes s.n. Los Angeles Near Pasadena. Comment
  RSA134016  Phacelia imbricata subsp. imbricata L. R. Heckard 1953-6-15 502 Los Angeles along road to Mt. Gleason, ca. 9 miles up Tujunga Canyon from highway 118. 976 Comment
  RSA730249  Phacelia imbricata subsp. patula R. G. Swinney 1999-6-5 7269 Los Angeles San Gabriel Mtns.: western end of ridge extending from Big John Peak, above Big John Flat 1768 Comment
  RSA651302  Phacelia minor Lori Ackerman, Gerald Braden 1988-4-22 2 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  SBBG82793  Phacelia minor M. Bufkin -Apr-1895 Los Angeles near Pasadena Comment
  UCR271822  Phacelia minor R. G. Swinney 2010-4-28 12402 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
  UCR256462  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 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
  RSA426118  Phacelia stellaris Jack Rempel 1932-4-24 15236 Los Angeles El Segundo. Comment
  UCR265023  Phacelia tanacetifolia Mitch Provance, Callen Huff 2009-4-28 10671 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  CAS-BOT-BC133980  Phacelia tanacetifolia Le Roy Abrams 1901-4-1 1316 Los Angeles Santa Monico Mts. between Cahuenga Pass & Encino Comment
  RSA618702  Phalaris caroliniana Scott D. White, Sandy Leatherman 1998-5-22 6552 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. 426 Comment
  RSA251426  Phalaris lemmonii R. F. Thorne 1966-4-17 36090 Los Angeles San Clemente Island, small reservoir between Boulder & Horton, NE side of island. 488 Comment
  CAS-BOT-BC250593  Phalaris minor Carl B. Wolf 1932-5-12 3581 Los Angeles Santa Catalina Island. Hillside, E. of the Isthmus 30 Comment
  RSA158310  Phalaris minor P. H. Raven 1962-4-11 17302 Los Angeles Northwest end of island between Driggs and West Rock, San Clemente Island 15 Comment
  RSA356916  Phalaris minor F. R. Fosberg 1931-4-13 S 4595 Los Angeles Pebble [Pebbly] Beach wash, Santa Catalina Island. 10 Comment
  UCR56171  Philadelphus lewisii J. A. Adams 1963-5-9 19 Los Angeles San Gabriel Mtns., Little Dalton Canyon 366 Comment
  RSA0101432  Phlox gracilis Gordon H. True 1935-3-27 173 Los Angeles 5 miles SW of Palmdale. 944 Comment
  CDA38599  Pholisma arenarium L. D. McCorkingdale 1958-7-16 930 -58 Los Angeles State Highway Ave. D. & 180th St. W., Lancaster. 0 Comment
  HSC46676  Pholisma arenarium B. C. Templeton 1938-8-31 6514 Los Angeles Dune Ravine, El Segundo; Upper Sonoran Zone 10 Comment
  UC1587167  Pholistoma auritum Tim Ross 1991-5-21 5412 Los Angeles s.w. side San Clemente Isl. (upper reaches of Box Canyon); , Box Canyon 411 Comment
  UCR143398  Pholistoma auritum F. R. Fosberg 1931-4-13 S- 4592 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, right fork 290 Comment
  RSA459285  Pholistoma membranaceum J. P. Broughton, K. K. Muller 1971-4-2 1350 Los Angeles Soledad Canyon Road, ca. 5 miles south of Palmdale. Comment
  SD85080  Pholistoma racemosum E. R. Blakley 1963-4-9 5559 Los Angeles Santa Catalina Island. On shady cleft of a rocky cliff. 14 Comment
  UCR259896  Phoradendron bolleanum R. G. Swinney 2010-6-1 13084 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  POM354313  Phoradendron densum Albert J. Perkins 1919-5-30 s.n. Los Angeles Big Rock Creek, Antelope Valley. Comment
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Apr 10 2012
  CAS-BOT-BC135148  Phoradendron juniperinum James R. Shevock 1976-4-24 5014 Los Angeles along Big Pines highway in the vicinity of Apple Tree Campground. San Gabriel Mts., Angeles National Forest 1524 Comment
  RSA600684  Phoradendron macrophyllum Louis C. Wheeler 1936-6-30 4200 Los Angeles San Gabriel Mountains: San Dimas Canyon, near dam. 427 Comment
  RSA603678  Phoradendron villosum Steve D. Boyd 1997-9-17 10044 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. 915 Comment
  CATA1594  Phyla nodiflora Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2863 Los Angeles Santa Catalina Island: Toyon Bay 30 Comment
  CAS-BOT-BC451998  Phyllospadix scouleri Robert F. Thorne 1966-4-16 36040 Los Angeles San Clemente Island: sea bluff between Seal Cove and Eel Point (2/3 mile SSE of Point), SW side of island. 0 Comment
  RSA660989  Pickeringia montana var. montana LeRoy Gross 2001-5-28 411 Los Angeles Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. 549 Comment
  UCR162061  Picris echioides Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  UCR132336  Pinus halepensis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  UCR223401  Pinus jeffreyi R. G. Swinney 2009-7-29 11429 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC78749  Pinus lambertiana A. J. McClatchie s.n. Los Angeles Wilson Peak, San Gabriel Mts. Comment
  UCR124708  Pinus ponderosa B. C. Templeton 1932-6-19 4925 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  CATA1818  Pinus radiata Benjamin E. Carter 2012-8-31 7018 Los Angeles Santa Catalina Island: Black Jack Campground 459 Comment
  UC845545  Piperia cooperi F. R. Fosberg 1931-5-14 S 4867 Los Angeles near mouth of Cape Canyon; Santa Catalina Island, Middle Ranch Canyon 200 Comment
  RSA0008145  Piptatherum miliaceum P. H. Raven 1959-9-6 14391 Los Angeles Near mouth of Malibu Creek. Santa Monica Mountains. 12 Comment
  CHSC98050  Pittosporum undulatum LeRoy Gross 2003-2-22 748 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; a short distance up mouth of Brand Canyon, south next of Brand Canyon Cemetery, north of the Debris Basin. 287 Comment
  SEINET3161353  Pittosporum undulatum C. F. Baker 1909-9-15 119 Los Angeles At Claremont. Comment
  CAS-BOT-BC71776  Pityrogramma triangularis var. viscosa George B. Grant; Walter Wheeler 1904-4-21 530 a/3350 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  CAS-BOT-BC183849  Plagiobothrys acanthocarpus Tim Ross 1993-4-22 6895 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 1200 m ESE of Cactus Peak summit; SE slope of 1528-foot peak, not far below its summit 455 Comment
  RSA0047911  Plagiobothrys arizonicus R. G. Swinney 2010-5-12 12749 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0087328  Plagiobothrys canescens R. G. Swinney 2010-3-13 11877 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  SBBG118601  Plagiobothrys canescens J. Henrickson 1979-4-18 17818 Los Angeles just N of Valencia, E of Interstate 5, between McBean Parkway and Valencia Parkway, E of College of Cyns 362 Comment
  POM246609  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-3-24 668 Los Angeles Hamilton s canyon, Santa Catalina Island 2 Comment
  JEPS68011  Plagiobothrys collinus Frank W. Peirson 1921-6-15 997 Los Angeles Pine Flats to Chilao; San Gabriel Mountains 1676 Comment
  UCR94690  Plagiobothrys leptocladus A. C. Sanders, E. J. Lott 1993-5-6 13948 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  RSA0116321  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31974 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  RSA638224  Plagiobothrys nothofulvus L. C. Wheeler 1969-5-3 s.n. Los Angeles Bluebird truck trail. 716 Comment
  CATA1986  Plantago erecta Steven A. Junak, Mark Hoef, Sara Crockett 1997-3-27 354 Los Angeles Santa Catalina Island: Upper part of Cape Canyon drainage, about 0.65 miles SW of Black Jack Peak 396 Comment
  RSA401965A  Plantago erecta M. B. Dunkle 1929-3-17 2060 Los Angeles Cape Canyon. Santa Catalina Island. Comment
  POM156194  Plantago lanceolata L. R. Abrams 1902-6-12 2532 Los Angeles Ballona Creek, near Mesmer. Comment
  SBBG31209  Plantago major R. F. Thorne 1966-6-1 36485 Los Angeles of razed St. Catherine's Hotel, N of Avalon 4 Comment
  UCR252751  Plantago major R. G. Swinney 2010-9-1 13657 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  SD69564  Plantago major Robert F. Thorne 1966-6-1 36485 Los Angeles Santa Catalina Island; weed in former lawn of razed St. Catherine's Hotel, north of Avalon. 4 Comment
  SBBG128195  Plantago ovata M. G. Simpson, A. Russell, J. Dunn, D. Pivorunas, M. Walgren 2000-7-19 2188 Los Angeles ca. 0.2 mi S from the end of rd that runs S from Eel Point 69 Comment
  SBBG20526  Plantago ovata var. insularis E. R. Blakley 1963-12-7 6356 Los Angeles mouth of cyn between Pyramid Head and Cove and S of Triangulation Pt Guds 15 Comment
  RSA0025155  Platanthera sparsiflora Jane Tirrell, Walter Fidler 2012-6-11 LS 0067 Los Angeles Middle fork of drainage above California State Route 2 at mile marker 67.7, approximately 100 feet above highway. 2347 Comment
  RSA720611  Platanthera sparsiflora Richard G. Swinney 1997-7-22 5710 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area 2073 Comment
  RSA0069416  Platanus racemosa Richard G. Swinney 2010-3-10 11807 Los Angeles San Gabriel Mountains/Verdugo Mountains: Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA518252  Platanus racemosa A. C. Sanders 1987-12-4 7570 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. 30 Comment
  UCD169362  Platanus racemosa R. G. Swinney 2008-11-30 9890 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy. 165 Comment
  RSA445702  Platystemon californicus G. R. Johnstone 1931-5-3 s.n. Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA606156  Platystemon californicus R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  RSA595335  Platystemon californicus var. californicus Louis C. Wheeler 1967-5-8 9342 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  UCR222651  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-27 08- 385 Los Angeles South Coast, city of Malibu, ocean bluff west of El Matador State Park 6 Comment
  RSA607956  Pluchea odorata L. C. Wheeler 1932-8-28 1305 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  CATA2204  Plumbago auriculata Sara L. Crockett, Michael Daligdig 1996-10-21 5 Los Angeles Santa Catalina Island: Descanso Beach Club 6 Comment
  POM1248  Poa annua I. M. Johnston 1916-12-29 s.n. Los Angeles Claremont 366 Comment
  RSA616151  Poa annua Valerie L. Soza 1998-5-3 95 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  SBBG113259  Poa annua S. A. Junak 1997-6-3 SCa 434 Los Angeles Avalon, along lower Summer Street, just S of Atwater Hotel Building 6 Comment
  RSA729843  Poa pratensis R. G. Swinney 1999-6-18 7333 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA596888  Poa secunda Timothy S. Ross, J. Mark Porter 1995-5-4 8515 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA715214  Poa secunda Gary D. Wallace, Bob Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1949 Los Angeles Fort Tejon Road. Comment
  UCR221909  Poa secunda R. G. Swinney 2009-4-28 10533 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA0094923  Poa secunda subsp. juncifolia R. G. Swinney 2011-6-20 15231 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  UC1930128  Poa secunda subsp. juncifolia V. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 1463 Los Angeles Transverse Ranges; San Gabriel Mountains region; Along Sunset Peak Road, 2.8 km ESE from Glendora Ridge Road. UTM 11S: 37 86 174 N x 04 35 497 E. 1494 Comment
  CAS-BOT-BC236205  Poa secunda subsp. secunda L. R. A. 1901-4-1 1262 Los Angeles Santa Monica Mountains Comment
  CATA880  Poa secunda subsp. secunda Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1692 Los Angeles Santa Catalina Island: Above Black Jack Road by fenced mine shaft 411 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
  UCR276743  Polycarpon tetraphyllum R. G. Swinney 2010-8-11 13500 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  UCR43566  Polygala cornuta var. fishiae B. A. Prigge 1985-6-14 6419 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail below Murphy Ranch Site 598 Comment
  UCR66493  Polygala cornuta var. fishiae Anstruther Davidson 1917-8-17 s.n. Los Angeles Crater Camp near Calabasas Comment
  UCR210187  Polygonum hydropiperoides R. G. Swinney 2008-10-22 9663 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  RSA689904  Polypodium californicum George B. Grant 1902-06 s.n. Los Angeles Sierra Madre Mts. LA Co. Comment
  UC812492  Polypodium californicum Ira W. Clokey, B. Templeton May 1929 4483 Los Angeles Mandeville Canyon; Santa Monica Mts. 300 Comment
  UCSB62489  Polypodium californicum Kiefer, Lawrence 1966-4-16 Los Angeles Santa Monica Mtns., S of Tarzana, Caballero Creek, ca. 1mi S of the end of Reseda Blvd 304 Comment
  UCSB8302  Polypodium californicum Jacobson, A. 1959-3-28 Los Angeles Topanga Canyon, 10 mi inland from Hwy 101. Comment
  RSA585122  Polypogon interruptus L. C. Wheeler 1933-12-24 2338 Los Angeles San Dimas Canyon Dam, San Gabriel Mountains 427 Comment
  RSA0039063  Polypogon monspeliensis R. G. Swinney 2009-11-18 11656 Los Angeles 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  UCR261758  Polypogon semiverticillatus R. G. Swinney 2010-9-13 13835 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  SD254485  Polystichum imbricans subsp. curtum R. G Swinney 2011-7-7 15467 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area. 1098 Comment
  CAS-BOT-BC410009  Populus X parryi Joseph Andorfer Ewan 1932-4-22 7181 Los Angeles along Los Angeles River, San Fernando Valley Comment
  POM360754  Populus fremontii J. A. Comstock 1938-4-18 s.n. Los Angeles Near Little Rock. Comment
  UCR271868  Populus trichocarpa R. G. Swinney 2011-6-23 15319 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
  UCR182213  Potamogeton crispus R. G. Swinney 1997-6-19 5610 B Los Angeles San Gabriel Mtns., SE end of Jackson Lake, west of Wrightwood 1872 Comment
  RSA230370  Potentilla glandulosa subsp. ewanii Robert F. Thorne, M. Z. Thorne 1969-7-10 38365 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1951 Comment
  RSA85766  Potentilla glandulosa subsp. nevadensis F. W. Peirson 1921-7-17 2678 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2058 Comment
  SD65468  Potentilla glandulosa subsp. reflexa Reid Moran 1967-7-22 14094 Los Angeles canyon south of Chilao, San Gabriel Mountains 1550 Comment
  SEINET10852924  Prunus Mary Merello, Heidi H. Schmidt 1999-12-6 Merello 2626 Los Angeles Temple City, Valumart Food Warehouse, 6340 Rosemead. Comment
  RSA454131  Prunus ilicifolia Kenneth A. Wilson 1962-5-26 s.n. Los Angeles Soledad Canyon Road, about 3 miles east of Agua Dulce Canyon. Comment
  UCR124169  Prunus ilicifolia June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  LA208108  Prunus ilicifolia subsp. ilicifolia Carl Epling; October 1925 8533 Los Angeles San Bernardino Mountains, Camp Baldy 1066 Comment
  LA33816  Prunus ilicifolia subsp. ilicifolia Henry J. Thompson; 1959-3-27 1892 Los Angeles 731 Comment
  RSA724443  Prunus ilicifolia subsp. ilicifolia K. Dobry 1992-4-9 d- 347 Los Angeles West Santa Monica Mts. along E Arroyo Sequit 5 mi No. of Pacific Coast Hwy. At camp Shalom. Comment
  UC12771  Prunus ilicifolia subsp. lyonii J. G. Cooper Los Angeles Santa Catalina Island Comment
  UC861064  Prunus ilicifolia subsp. lyonii F. R. Fosberg 1931-4-2 S 4446 Los Angeles Santa Catalina Island, Hamilton Canyon just below road Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 350 Comment
  RSA187780  Prunus lyonii Robert F. Thorne 1966-4-29 36313 Los Angeles Santa Catalina Island. In canyon leading to N slope of Black Jack Mt. 366 Comment
  HSC101292  Pseudognaphalium biolettii R. G. Swinney 2009-3-28 10190 Los Angeles Transverse Range, San Gabriel Mtns.: Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi. up canyon 366 Comment
  UCR47373  Pseudognaphalium biolettii David Charlton 1987-1-31 640 Los Angeles Western Transverse Range; Santa Monica Mtns., Saddle Peak 610 Comment
  UCR86846  Pseudognaphalium biolettii Scott D. White 1995-4-27 2969 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  POM4621  Pseudognaphalium biolettii P. A. Munz 1918-4-5 2025 Los Angeles Pomona. Comment
  CAS-BOT-BC356715  Pseudognaphalium californicum Tim Ross; Steve Boyd 1994-5-10 7694 Los Angeles Liebre Mountains. Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  UC1871019  Pseudognaphalium californicum T. S. Ross, Walter Appleby 1993-5-13 7124 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  UC485692  Pseudognaphalium californicum Katharine Brandegee Los Angeles Antonio, n of Surf; Antonio Comment
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May 17 2014
  UCR273754  Pseudognaphalium californicum R. G. Swinney 2011-5-10 14634 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  LA32059  Pseudognaphalium californicum Peter H. Raven; Henry J. Thompson 1959-6-4 14326 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  UC1118550  Pseudognaphalium stramineum J. Horton 1936-4-28 315 Los Angeles n end of San Dimas Reservoir Pomona Quadrangle, San Dimas Watershed 457 Comment
  UCR103484  Pseudotsuga macrocarpa David Charlton 1989-4-30 3002 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway c. 2.5 mi. (airline) north of the southern boundary of the Angeles National Forest, c. 1.25 mi. west of Lower Switzer Campground 1311 Comment
  RSA251396  Psilocarphus brevissimus R. F. Thorne 1966-4-17 36087 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  UCR194148  Psoralea californica A. C. Sanders 2008-4-25 35108 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  CAS-BOT-BC72576  Pteridium aquilinum Geo. B. Grant 1904-5-5 6175 Los Angeles Pasadena Comment
  RSA332612  Pterospora andromedea Wayen E. Sawyer 1981-8-11 130 Los Angeles CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.8 mi from Dawson Saddle 2256 Comment
  HSC101300  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, ~100 m north of Hwy. 39 230 Comment
  RSA482497  Pterostegia drymarioides Richard Noyes, L. Arnseth 1988-4-30 538 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  RSA579150  Pterostegia drymarioides Tim S. Ross, Darin Banks 1994-4-12 7477 Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon; ca 630 m s of where Drinkwater Canyon joins S. Fr. Canyon. 518 Comment
  RSA584974  Pterostegia drymarioides Tim S. Ross 1993-5-16 7156 Los Angeles San Gabriel Mountains: Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  RSA0073593  Purshia tridentata var. glandulosa Orlando Mistretta, Christine Mistretta 2005-4-21 2061 Los Angeles Transverse ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  SEINET7968328  Pycnanthemum californicum J. H. Barber 1897-6-30 239 Los Angeles Bear Canyon. Comment
  UCR205701  Pyracantha koidzumii A. C. Sanders, T. B. Salvato 2009-5-19 36839 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N Montebello Blvd. 117 Comment
  CAS-BOT-BC45777  Quercus I. M. Johnston 1918-9-1 2138 Los Angeles near Brown's Flats (just north of Pomona College P), Upper Sonoran Zone 1371 Comment
  UCSB27958  Quercus X grandidentata Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona, California 274 Comment
  SEINET4958711  Quercus X grandidentata Unknown 1934-12-27 8487 Los Angeles 2 miles above AT & SF tracks at mouth of Sawpit Canyon (i.e. Monrovia C.), San Gabriel Mts. Comment
  UC624996  Quercus X macdonaldii F. R. Fosberg 1931-12-10 7152 Los Angeles Pebble Beach Canyon, left fork Santa Catalina Island 40 Comment
  CAS-BOT-BC45675  Quercus agrifolia LeRoy Abrams 1901-4-4 1334 Los Angeles Chatsworth Park Comment
  RSA476856  Quercus agrifolia var. agrifolia G. R. Johnstone 1927-10-9 s.n. Los Angeles Switzer's Camp Comment
  RSA596089  Quercus agrifolia var. agrifolia Tim S. Ross, Steve D. Boyd 1995-6-28 8621 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  UCSB1037  Quercus agrifolia var. agrifolia Wedberg, H. 1957-3-3 Los Angeles Old Topanga Canyon Comment
  LA200041  Quercus berberidifolia A. M. Johnson; 1934-4-20 4433 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  RSA655364  Quercus berberidifolia LeRoy Gross 2000-11-4 316 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 366 Comment
  SFV906  Quercus berberidifolia P. G. Kilburn 1958-9-19 874 Los Angeles Santa Susana Mountains Oat Mountain. 945 Comment
  UCSB34872  Quercus berberidifolia Lloyd, Robert 1959-3-3 Los Angeles In Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona 274 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
  SFV16679  Quercus chrysolepis P. Wilson, J. M. Albert 1996-6-12 3444 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 52.85, near Three Points. 1799 Comment
  UCR258513  Quercus chrysolepis R. G. Swinney 2010-9-13 13812 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  UCR187115  Quercus douglasii A. C. Sanders 2006-5-16 32365 Los Angeles Transverse Range; Liebre Mtns. Region, south of Hwy 138, 1.5 mi. ESE of Quail Lake in the San Andreas Rift Zone, NE of the Old Ridge Route 1037 Comment
  CAS-BOT-BC86202  Quercus dumosa Henry J. Thompson 1959-3-27 1889 Los Angeles Santa Monica Mountains. Saddle Peak, 1.5 miles E of Peak 731 Comment
  UCSB68622  Quercus durata Gross, LeRoy; Fraga, Naomi; Hogshead, Bill 2003-6-19 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway; (Burbank 7.5 Quad.: T2N R13W S30, NW1/4) 556 Comment
  RSA733148  Quercus engelmannii Susan Grose, L. Braccio, L. Gross 2007-11-11 185 Los Angeles Monrovia, Hidden Valley Canyon. 525 N. Alta Vista, Monrovia. 277 Comment
  SBBG89127  Quercus engelmannii L. Benson 1960-7-20 16073 Los Angeles Ganesha Hills, Pomona 365 Comment
  SBBG11823  Quercus john-tuckeri D. E. Breedlove 1961-8-4 923 Los Angeles intersection with Big Pines Hwy and Largo Vista Rd 1371 Comment
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Jan 23 2015
  UCSB34851  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge; West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  RSA476571  Quercus pacifica Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  SBBG13571  Quercus pacifica E. R. Blakley 1961-9-23 4755 Los Angeles small cyn at E end of Isthmus Harbor Comment
  SBBG37693  Quercus pacifica R. Moran 1941-3-14 708 Los Angeles Middle Ranch, near crk 200 Comment
  CAS-BOT-BC250924  Quercus tomentella P. S. Manos 1988-10-28 696 Los Angeles San Clemente Island, N fork of Eagle Canyon 243 Comment
  CAS-BOT-BC258361  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 233 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  RSA0110912  Quercus wislizeni Richard G. Swinney 2011-9-22 15685 Los Angeles San Gabriel Mountains: SE side of Camp Colby (colby Ranch), Colby Grave marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  UCR182255  Quercus wislizeni R. G. Swinney, Dave Larson 1998-4-26 6044 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  SEINET7143825  Quercus wislizeni Ralph R. Wilson 1941-4-18 514 Los Angeles San Dimas Experimental Forest above Glendora.; 0 914 Comment
  RSA579572  Quercus wislizeni var. frutescens Tim S. Ross, Steve D. Boyd 1994-9-20 8245 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  RSA729924  Quercus wislizeni var. frutescens R. G. Swinney, Dave Larson 1998-4-26 6044 Los Angeles Browns Flat, San Dimas Experimental Forest 1317 Comment
  UCR127183  Rafinesquia californica A. C. Sanders 2003-6-20 26996 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 c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  RSA526551  Rafinesquia californica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4237 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  RSA639094  Rafinesquia californica L. C. Wheeler 1967-5-15 9581 a Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  RSA399379  Ranunculus californicus T. S. Clare, McDougal 1930-4-7 s.n. Los Angeles Above Sandberg. Comment
  CAS-BOT-BC378879  Ranunculus californicus var. californicus Wesley O. Griesel 1962-3-17 s.n. Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  SEINET10838524  Raphanus sativus David B. Dunn 1941-2-22 Dunn 681 Los Angeles Collected on westwood blvd., 2 Blocks south of santa monica blvd. Comment
  POM2703  Rhamnus californica Arvis Smith 1899-5-12 s.n. Los Angeles Claremont. 366 Comment
  RSA613301  Rhamnus californica E. Lloyd 1933-3-25 s.n. Los Angeles Temescal canon. Comment
  UCR193536  Rhamnus californica R. G. Swinney 1999-6-18 7289 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR130585  Rhamnus californica subsp. californica R. E. Riefner Jr. 2000-8-29 00- 755 Los Angeles Western Transverse Range; Verdugo Mtns., La Tuna Canyon, Verdugo Mtns. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. 2.5 miles south of 210 Freeway exit 462 Comment
  RSA626406  Rhamnus crocea LeRoy Gross 1999-4-16 135 Los Angeles Big Tujunga Wash, east of 210 freeway 366 Comment
  RSA754352  Rhamnus crocea Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-11-14 NFWF- 1853 Los Angeles San Gabriel River Watershed; Webb Canyon Road, next to road. 434 Comment
  SEINET12210179  Rhamnus crocea var. ilicifolia I. W. Clokey, Templeton, B. 1929-1 4575 Los Angeles Mandeville Canyon, Santa Monica Mountains 275 Comment
  CAS-BOT-BC55983  Rhamnus ilicifolia LeRoy Abrams 1903-3-11 3114 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  POM156311  Rhamnus ilicifolia L. R. Abrams 1903-3-11 3114 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  POM2715  Rhamnus ilicifolia D. L. Crawford 1915-06 s.n. Los Angeles Bear Ca - on above Claremont Comment
  RSA276022  Rhamnus ilicifolia Jack Delaini, K. C. Zakar 1974-4-11 116 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest 396 Comment
  RSA390836  Rhamnus ilicifolia Sam Tyson 1943-4-2 ** Los Angeles Big Dalton Canyon 366 Comment
  RSA390839  Rhamnus ilicifolia Elbert Benjamine 1929-2-24 59 Los Angeles Laurel Canyon, Hollywood Comment
  RSA630374  Rhamnus ilicifolia Louis C. Wheeler 1967-5-15 9590 Los Angeles San Gabriel Mountains: Elsmere Canyon, near mouth. 442 Comment
  SEINET3245895  Rhamnus ilicifolia T. B. Salvato, Sandra Murcia 2007-1 2004 Los Angeles San Gabriel Mountains: Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi S of the Elkins Avengue entrance gate. 640 Comment
  UC18551  Rhamnus ilicifolia J. Burtt Davy May 9 1896-May 24 1896 2541 Los Angeles Oak Canyon Antelope Valley, Manzana Comment
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Apr 10 2012
  CAS-BOT-BC59783  Rhamnus pirifolia Peter H. Raven 1962-5-9 17683 Los Angeles Near head of canyon above Mosquito Cove. 274 Comment
  POM323028  Rhamnus pirifolia Reid V. Moran 1975-8-23 22682 Los Angeles San Clemente Island: west fork of Red Rock Canyon. 280 Comment
  SD84811  Rhamnus pirifolia Reid Moran 1941-2-24 608 Los Angeles Johnson's Valley, Santa Catalina Lisland 20 Comment
  POM243720  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1928-3-29 1578 Los Angeles 2 mi. from Sandbergs on the Ridge Route, on road to Elizabeth Lake. 1098 Comment
  UCR219556  Rhus aromatica R. G. Swinney 2009-3-28 10213 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
  UCR125784  Rhus integrifolia A. C. Sanders 2003-5-26 26835 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
  CAS-BOT-BC167943  Rhus ovata Robert F. Thorne 1970-3-5 39379 Los Angeles Santa Catalina Island: Upper Avalon Canyon 60 Comment
  LA94284  Rhus ovata Carl Epling; 1926-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
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Apr 22 2014
  RSA773830  Rhus ovata R. G. Swinney 2009-6-12 11145 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
  UCR129426  Rhus ovata A. C. Sanders, Mark Elvin 2002-6-20 25210 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR252772  Rhus ovata R. G. Swinney 2010-3-10 11789 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  SEINET5319881  Rhus ovata Larry E. Brown 1967-12-23 Los Angeles Along roadside of SR 2, at 3,000 ft. elevation in the San Gabriel Mountains above Los Angeles 914 Comment
  RSA603180  Ribes aureum var. gracillimum Louis C. Wheeler 1970-7-22 s.n. Los Angeles San Gabriel Mountains: Vicinity of Fascination Spring. 335 Comment
  UCR62226  Ribes aureum var. gracillimum R. G. Swinney 1990-1-13 1511 Los Angeles San Gabriel Mtns, Glendora, 'South Hills'; west end on ridge top at 'South Hills Park 305 Comment
  SBBG98200  Ribes californicum I. W. Clokey, B. Templeton -Mar-1929 Los Angeles Mandeville Cyn 300 Comment
  CAS-BOT-BC93397  Ribes cereum Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  CAS-BOT-BC108883  Ribes divaricatum var. parishii A. Davidson 1894-4-1 s.n. Los Angeles El Monte. Comment
  CAS-BOT-BC6064  Ribes hesperium Alfred James McClatchie 1894-1-1 s.n. Los Angeles Canons San Gabriel Mts. near Pasadena Comment
  RSA712177  Ribes malvaceum Kerry Knudsen, Rolf Muertter, Teresa Proscewicz 2005-2-10 2371 Los Angeles Los Angeles, Griffith Park, north side of Mt. Hollywood 425 Comment
  RSA764951  Ribes malvaceum Doris Bowers 1957-11 334 .1 Los Angeles Upper Millard's Canyon, trail to Echo Mt. 610 Comment
  POM441480  Ribes malvaceum var. viridifolium G. R. Proctor 1944-4-9 838 Los Angeles Near Monrovia Peak Trail 1220 Comment
  RSA230180  Ribes nevadense Robert F. Thorne 1969-7-10 38394 Los Angeles San Gabriel Mountains; Angeles National Forest: Along Angeles Crest Hwy. 1.1 mile NE of Pine Hollow Picnic Ground. 2134 Comment
  RSA476197  Ribes nevadense C. Epling 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  RSA476243  Ribes roezlii Bonnie C. Templeton 1933-5-15 5128 Los Angeles Ranger Station, Big Pines Park, San Gabriel Mountains. 2088 Comment
  RSA575561  Ribes roezlii R. G. Swinney 1994-6-12 2886 Los Angeles Sheep Mtn Wilderness, Prairie Fork Canyon, 2.1 miles SE of jct of FS road 3N06 and 3N39, at road 3N39, S of road 2195 Comment
  RSA602472  Ribes roezlii Scott D. White 1997-5-8 5076 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  CAS-BOT-BC168664  Ribes speciosum LeRoy Abrams 1902-6-17 2563 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  LA26151  Ribes speciosum Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  CHSC95749  Ricinus communis Joseph Marlowe Keefe 2001-1-19 30900 Los Angeles San Rafael Mountains. South facing slope on north side of Upperton Avenue (north across the street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California, 90042. 262 Comment
  RSA0060882  Ricinus communis R. G. Swinney 2010-8-16 13563 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  SFV10301  Ricinus communis L. Comee 1978-10-31 s. n. Los Angeles Santa Monica Mountains Topanga Canyon, 0.5 miles from Pacific Coast Highway. Comment
  RSA747743  Robinia pseudoacacia Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12687 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
  RSA435944  Rorippa curvipes var. truncata F. R. Fosberg, J. A. Ewan 1931-8-11 s 5508 Los Angeles Crystal Lake: north fork of San Gabriel Canyon 1600 Comment
  UC72928  Rorippa nasturtium-aquaticum Pupils of Los Angeles High School 1903-4 Los Angeles Los Angeles Comment
  RSA584471  Rosa californica R. G. Swinney 1993-6-4 2255 Los Angeles San Gabriel Mountains. 0.8 mile E of Glendora Mountain Road at Big Dalton Canyon Road. 378 Comment
  RSA545321  Rubus discolor Tim S. Ross 1992-5-17 6344 Los Angeles San Gabriel Mountains; near elbow of the E fork of the San Gabriel River. 260m W of the mouth of Cattle Canyon 576 Comment
  RSA606037  Rubus discolor Louis C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: Big Santa Anita Canyon. 579 Comment
  CAS-BOT-BC158822  Rubus ursinus Timothy S. Ross 1994-4-28 7567 Los Angeles Cottonwood Swamp: Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Moutnain - Liebre Mountains 515 Comment
  RSA240667  Rubus ursinus Donald R. Bissing 1973-5-18 96 Los Angeles Evey Canyon, in NE side of canyon, 0.3 mile from mouth of canyon near stream. 720 Comment
  RSA499371  Rubus ursinus Albert J. Perkins 1915-10-31 s.n. Los Angeles Clear Creek Trail, Tujunga Ca - on Comment
  RSA650870  Rubus ursinus Marion P. Harthill 1974-5-23 1516 Los Angeles Crystal Lake Rd., Rt. 39. 1098 Comment
  RSA764454  Rubus ursinus Doris Bowers 1966-4-16 146 A Los Angeles Malibu Canyon 91 Comment
  LA211122  Rumex Arthur C. Gibson; Tarja Sagar 2009-6-30 5259 Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Peter Strauss. Comment
  UC52228  Rumex acetosella unknown May 1903 Los Angeles Comment
  SBBG95280  Rumex crispus M. B. Dunkle 1928-4-29 1919 Los Angeles Little Harbor Comment
  LA38632  Rumex crispus Henry J. Thompson; 1959-11-23 3011 Los Angeles Santa Monica Mountains, Franklin Canyon, S shore of upper Franklin Canyon Reservoir 259 Comment
  POM2339  Rumex hymenosepalus A. L. Barrows 1903-5-12 s.n. Los Angeles Claremont. 366 Comment
  UCD101394  Rumex obtusifolius A. C. Sanders; Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26223 Los Angeles Western San Gabriel Mtns.: Castaic Valley along Castaic Creek 0-2km downstream from Lake Hughes Rd., Newhall Ranch. 351 Comment
  RSA65455  Rumex obtusifolius Joseph A. Ewan 1932-7-4 11153 Los Angeles Millards Canyon, San Gabriel Mts Comment
  RSA593576  Rumex pulcher Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8913 B Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  SEINET4178302  Rumex salicifolius var. salicifolius J. H. Barber 1897-6-26 196 Los Angeles aliso Canon Comment
  RSA607621  Rupertia physodes L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  UCR275343  Sagina Jeremiah George, Audrey J. George 2012-4-15 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  RSA518460  Salazaria mexicana Gary D. Wallace 1966-4-24 500 Los Angeles Along Hwy 138 just 1/2 mile south of where it joins Pearblossom Hwy. 9 miles east of Pearblossom. 762 Comment
  UCR222742  Salazaria mexicana R. G. Swinney 2009-4-29 10611 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCSC001511  Salazaria mexicana Peter Kamb 1948-5-6 971 Los Angeles Hot hillside above wash San Gabriel Mts, Little Rock (Lower Sonoran Zone. Desert foothills of the San Gabriel Mts above Little Rock) 975 Comment
  RSA478893  Salicornia virginica F. R. Fosberg 1930-6-23 S 2952 Los Angeles Del Rey. 1 Comment
  CAS-BOT-BC103161  Salix bonplandiana Peter H. Raven 1962-5-20 17790 Los Angeles Santa Catalina Island, Cape Canyon Comment
  POM360987  Salix exigua Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  RSA630276  Salix exigua LeRoy Gross 1999-2-25 123 Los Angeles Verdugo Mountains: Along dirt road called Hostetler Mountain Way, right across La Tuna Canyon exit coming east bound on 210 freeway. 610 Comment
  UCR150620  Salix exigua Scott D. White 1997-5-8 5093 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  SBBG131555  Salix exigua S. A. Junak 1999-7-16 SCa 1051 Los Angeles lower Cottonwood Cyn, just downstream from crossing of rd to Ben Weston Beach 27 Comment
  LA208644  Salix exigua var. hindsiana Louis C. Wheeler; 1933-5-12 1723 Los Angeles San Jose Hills, Puddingstone Canyon 243 Comment
  UCR197127  Salix gooddingii LeRoy Gross 2007-4-6 2627 Los Angeles Transverse Ranges; Verdugo Mountains, southern front of the range, Wildwood Canyon where the road drains into a debris dam, and parking area for one of the trails that climb to the crest of the range. 499 Comment
  LA33900  Salix laevigata Peter H. Raven; Henry J. Thompson 1959-10-18 14668 Los Angeles Santa Monica Mountains, Medea Creek, mouth of Medea Creek, N arm of Malibu Lake 220 Comment
  RSA586819  Salix laevigata Orlando Mistretta, Steve D. Boyd 1994-6-21 1387 Los Angeles Santiago Canyon, drainage northwest of Pacifico Mountain. 1585 Comment
  UC519398  Salix laevigata Ernest Braunton 1932-4-17 1067 Los Angeles Tujunga Canyon San Gabriel Mts. Tujunga Canyon Comment
  UCD111119  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mts. Comment
  UCR125957  Salix laevigata A. C. Sanders, Mark Elvin 2002-6-19 25150 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  CAS-BOT-BC128137  Salix lasiandra var. lasiandra A. J. McClatchie s.n. Los Angeles Pasadena Comment
  CATA105  Salix lasiolepis Peter Henrikson 1987-4-23 78 Los Angeles Santa Catalina Island: Lower Middle Canyon 15 Comment
  POM177966  Salix lasiolepis Joseph A. Ewan 1931-2-2 4018 Los Angeles Rio Hondo River near Downey. Comment
  POM184877  Salix lasiolepis Carl. W. Sharsmith 1932-2-14 9 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  RSA0088405  Salix lasiolepis R. G. Swinney 2010-2-27 11755 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA527711  Salix lasiolepis Tim S. Ross, Annette Ross 1991-3-7 4137 Los Angeles Elephant Hill, western Pomona. 230 Comment
  UC474004  Salix lasiolepis F. A. MacFadden Apr. 1931 3073 Los Angeles Tejunga Canyon Comment
  UC483061  Salix lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles top of grade between Calabasas and Agoura Comment
  UC506420  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-3-11 7667 Los Angeles Ballona Creek at Ballona Marshes (back of dike); Ballona Creek at Ballona Marshes Comment
  UCR189877  Salix lasiolepis R. G. Swinney 1998-7-21 6475 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
  RSA0034684  Salix lasiolepis Carl W. Sharsmith 1932-1-17 09 Los Angeles Lower San Gabriel Canyon about 9.5 km. above Azusa. 300 Comment
  RSA670161  Salix lucida subsp. lasiandra Joseph M. Keefe 2000-12-12 30877 Los Angeles North side of wet ravine, west side of bridge, Fire Road east of Aviation Buildings, Glendale College, 1500 North Verdugo Road, Glendale, CA 91208. 250 Comment
  CAS-BOT-BC126289  Salix sessilifolia L. A. Greata 1900-9-1 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC180744  Salsola tragus Ernest C. Twisselmann 1970-9-8 17479 Los Angeles Antelope Valley, Avenue A at 50th Street West - Mojave Desert 731 Comment
  RSA0091537  Saltugilia australis R. G. Swinney 2011-5-26 14876 Los Angeles 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. 1061 Comment
  RSA0116643  Saltugilia australis Steve Boyd, Lauren Raz 1997-3-25 9283 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  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
  RSA469651  Saltugilia splendens subsp. grantii N. C. Cooper 1949-6-29 4385 Los Angeles Dripping Springs, San Gabriel Canyon. 1220 Comment
  RSA67055  Saltugilia splendens subsp. grantii Verne Grant, Alva Grant 1951-6-11 16030 Los Angeles Along road to Mt. Wilson about 2 miles W of summit 1220 Comment
  RSA71890  Saltugilia splendens subsp. splendens F. W. Peirson 1918-10-16 s.n. Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 534 Comment
  UC729590  Salvia apiana Carl B. Wolf 1932-5-9 Los Angeles e fork (left) Pebbly Beach Canyon (0.33 mi above Mexican Houses); Santa Catalina Island 152 Comment
  RSA651277  Salvia apiana Edward Kai 1970-3-19 s.n. Los Angeles Diamond Bar. 1/2 W. of Golden Springs Dr. below 2000 ft. 610 Comment
  POM4138  Salvia carduacea Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Comment
  RSA411362  Salvia carduacea Jack Rempel 1932-5-16 s.n. Los Angeles El Segundo. Comment
  UC1124668  Salvia carduacea A. D. Gifford 1935-3-29 529 Los Angeles 5.5 mi nw Redrock Mountain; Angeles National Forest, Tejon Quad. 1249 Comment
  POM96088  Salvia carduacea P. A. Munz 1926-4-4 10010 Los Angeles 2 miles north of Saugus. Comment
  RSA595133  Salvia columbariae Steve Boyd 1996-4-25 8706 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
  UCD125726  Salvia columbariae Steve Boyd; Orlando Mistretta 1986-3-31 1521 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct with Hwy 18 NE of Pinyon Hills. Comment
  RSA0056281  Salvia columbariae L. Bullington 1961-4-27 s.n. Los Angeles Dry Canyon, Mulholland Rd. 457 Comment
  RSA446277  Salvia dorrii var. pilosa Robert Gustafson, Christopher Davidson 1977-4-20 415 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  SFV4260  Salvia leucophylla W. A. Emboden, Jr. 1962-5-6 2058 b Los Angeles Santa Monica Mountains Mulholland Drive, 1 mile west of Roscomare Drive [Road]. 365 Comment
  CAS-BOT-BC229929  Salvia mellifera Peter H. Raven 1959-5-3 14096 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mulholland Drive at Laurel Pass 350 Comment
  LA82004  Salvia mellifera Harlan Lewis; 1940-4-3 1292 Los Angeles Santa Monica Mountains, 15 mi. N [W] of Malibu Beach Comment
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Jun 16 2015
  UC1124835  Salvia mellifera A. D. Gifford 1935-4-20 607 Los Angeles 2.5 mi e Whitaker Pk.; Angeles National Forest, Tejon Quad. 914 Comment
  RSA177668  Sambucus mexicana R. F. Thorne, P. Everett 1965-5-10 34441 Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  RSA477548  Sambucus mexicana N. C. Cooper 1948-4-21 2704 Los Angeles Saugus. 762 Comment
  RSA660778  Sambucus mexicana Jeff Weiler 1981-4-26 30 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Comment
  UC557760  Sambucus mexicana Nell Murbarger April, 1936 140 Los Angeles San Clemente Island; e, w, and s slopes of island Comment
  UCR259132  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-4 12532 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  POM366641  Sanguisorba minor Louis C. Wheeler 1933-7-3 1891 Los Angeles Thompson Wash near La Verne. 378 Comment
  RSA592419  Sanicula arguta Mark Hoefs, Doug Propst 1973-3-3 28 Los Angeles Santa Catalina Island. Rocky slope on open hillside in upper Cottonwood Canyon, west of Black Jack Mountain 366 Comment
  SEINET4069693 Image available Sanicula arguta M. B. Dunkle 1939-1 7236 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA533883  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5159 Los Angeles San Clemente Island: 950 ft WNW of Stone at the begining of the Stone Canyon drainage. 441 Comment
  UC1619331  Sanicula crassicaulis Timothy S. Ross 1995-4-7 8355 Los Angeles Templin Highway, 100-250 ft NE of int. with the Old Ridge Route (near headwaters of Violin Canyon) Liebre Mountains 865 Comment
  RSA471493  Sanicula tuberosa Samuel R. Tyson 1943-3-20 s.n. Los Angeles [San Gabriel Mountains] San Dimas Canyon. 671 Comment
  RSA17551  Sarcodes sanguinea C. B. Wolf 1936-5-27 7860 Los Angeles Aliso Canyon to Buckhorn flats road, 5 2/10 mi. above Tie Camp summit 1828 Comment
  RSA190896  Schedonorus arundinaceus R. F. Thorne 1967-5-18 36861 Los Angeles Santa Catalina Island: Middle Bulrush Canyon 244 Comment
  RSA533458  Schinus molle T. S. Ross 1991-4-21 4548 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  SBBG130752  Schinus molle S. A. Junak 2000-3-31 SCa 1150 Los Angeles just inland from White's Landing, ca. 0.25 mi inland from beach, at end of rd in side cyn 57 Comment
  SEINET10454090  Schinus molle Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4789 Los Angeles Santa Catalina Island; Catalina Conservancy Land, Middle Canyon, just downstream of Pump Station #2. Along Middle Canyon Trail (Road), between the Middle Ranch Junction and Cape Canyon Trail. 7-8 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 350 Comment
  CATA2010  Schismus arabicus Steven A. Junak 1998-3-22 502 Los Angeles Santa Catalina Island: Avalon Canyon, along W side of Avalon Canyon Road, just N of entrance to Wrigley Memorial Botanical Garden 106 Comment
  SBBG112873  Schismus arabicus S. A. Junak 1998-3-21 SCa 495 Los Angeles ridge on W side of Cape Cyn, SSW of Black Jack Pk 374 Comment
  LA103207  Schoenoplectus acutus var. occidentalis Barry A. Prigge; 1985-6-14 6414 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail below Murphy Ranch site. 597 Comment
  CAS-BOT-BC111510  Schoenoplectus americanus Alice Eastwood 1906-5-27 100 Los Angeles Bimini Baths Comment
  RSA366072  Schoenoplectus maritimus Wm Martin 1971-8-25 s.n. Los Angeles Point Dume Comment
  RSA60718  Schoenoplectus maritimus Frank W. Gould 1944-4-12 2280 Los Angeles Western Avenue at 131st Street, south of Los Angeles. Comment
  RSA365978  Scirpus acutus var. occidentalis B. C. Templeton 1934-10-13 4804 Los Angeles Los Angeles River Comment
  UC2026510  Scirpus californicus Louis C. Wheeler 1946-7-28 6221 Los Angeles SAN GABRIEL: Rio Hondo, 1/4 mile north of San Gabriel Boulevard. Comment
  UC8040694  Scirpus cernuus I. Johnston 1917-6-14 1344 Los Angeles w Pomona; w of Pomona Comment
  RSA0116794  Scrophularia californica R. G. Swinney 2010-5-25 12932 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  POM157994  Scrophularia villosa M. B. Dunkle 1928-3-17 1736 Los Angeles Santa Catalina Island, Cherry Valley 61 Comment
  RSA167786  Scrophularia villosa Robert F. Thorne, Percy C. Everett 1964-2-6 33298 Los Angeles Santa Catalina Island above Fourth of July Cove. 30 Comment
  RSA11010  Scutellaria tuberosa Carl B. Wolf 1928-4-1 1618 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  SD38741  Scutellaria tuberosa F. McCulloch 1931-3-15 2069 A Los Angeles Santa Susanna Pass [county a guess; possibly SLO county] Comment
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Jul 11 2010
  UCR114587  Secale cereale A. C. Sanders, Steve Boyd 1997-4-20 20492 Los Angeles Antelope Valley, along Hwy 138 in vicinity of 230th St. West 890 Comment
  RSA607215  Selaginella asprella Louis Cutter Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon. 1249 Comment
  CAS-BOT-BC62028  Selaginella bigelovii George B. Grant; Walter Wheeler 1904-4-21 H 6144 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  CAS-BOT-BC62044  Selaginella bigelovii Marcus E. Jones 1882-2-25 3023 Los Angeles Pasadena Comment
  RSA600212  Selaginella bigelovii Steve Boyd, Lauren Raz 1997-5-28 9898 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
  RSA675817  Selaginella bigelovii LeRoy Gross 2003-3-7 774 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  UC1874982  Selaginella bigelovii Ruth Kirkpatrick 2001-7-30 1081 Los Angeles San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box 1432 Comment
  UCR217417  Selaginella bigelovii R. G. Swinney 2009-3-10 10071 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA639389  Selaginella bigelovii Louis Cutter Wheeler 1933-2-23 1482 Los Angeles Vasquez Rocks, Soledad Canyon drainage 838 Comment
  RSA683765  Selaginella bigelovii Meryl B. Dunkle 1932-1-10 2859 Los Angeles Lower Silver Canyon cliff. Santa Catalina Island Comment
  UCR209594  Selaginella watsonii R. G. Swinney 2008-9-12 9447 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  RSA472945  Senecio flaccidus var. douglasii Robert Gustafson 1978-6-21 1033 Los Angeles Hungry Valley, about 1/4 mile north of the Lane Ranch, near wire gate, about 3 miles south of Gorman 945 Comment
  RSA596207  Senecio flaccidus var. douglasii Lauren Raz, S. D. Boyd 1996-10-23 018 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
  RSA659924  Senecio ionophyllus Orlando Mistretta 1992-8-28 782 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mt. Gleason Management Unit. Angeles National Forest. Tujunga Ranger District. 1814 Comment
  SBBG42306  Senecio lyonii R. Moran 1941-2-18 589 Los Angeles E side of cyn, mouth of Middle Ranch Cyn 150 Comment
  UCR142900  Senecio lyonii Reid Moran 1941-3-2 665 Los Angeles Channel Islands, point between Wilson's Harbor [Emerald Bay] and Howland's, Santa Catalina Island 10 Comment
  RSA0009751  Senecio lyonii Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA682080  Senecio mikanioides Scott D. White 2003-1-7 8796 Los Angeles Cismontane Interior Valley: Claremont. Blaisdell Park, east of College Ave. and north of Oak Park Dr. Southeast corner of the park. 332 Comment
  POM324250  Senecio vulgaris Cynthia Anderson 1963-4-25 24 Los Angeles San Jose Hills, near Diamond Bar area. 305 Comment
  RSA659125  Senecio vulgaris LeRoy Gross 2001-3-31 366 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road., The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 396 Comment
  RSA383926  Sequoia sempervirens B. Davies s.n. Los Angeles Los Angeles (cultivated) Woods. Comment
  UCR143428  Sesuvium verrucosum I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
  UCR18379  Setaria viridis O. F. Clarke 1977-7-4 s.n. Los Angeles Pasadena, residential garden at 384 North Oakland Avenue 268 Comment
  RSA593579  Silene gallica Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8911 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  CAS-BOT-BC387014  Silene gallica LeRoy Abrams 1901-4-3 1270 Los Angeles Santa Monica Mountains 228 Comment
  POM186341  Silene gallica Joseph A. Ewan 1932-6-29 7567 Los Angeles Arizona Ave. four miles W of Hawthorn. Comment
  SEINET11944389  Silene laciniata C. Wyman, Bright, J. F. 1931-1 172 Los Angeles San Fernando Valley Comment
  RSA609019  Silene laciniata subsp. major L. C. Wheeler 1931-4-27 s.n. Los Angeles San Gabriel Mountains: Burbank Canyon. Comment
  POM183626  Silene laciniata subsp. major Joseph A. Ewan 1929-5-18 1252 Los Angeles 1 mile above mouth of Los Flores Canyon. Comment
  POM17852  Silene verecunda subsp. platyota P. A. Munz 1923-9-1 7704 Los Angeles Swartout Valley, San Gabriel Mts. Narrow north-facing canyon at old sawmill. 2042 Comment
  SFV15547  Silybum marianum R. K. Stachelek 1992-5-2 34 Los Angeles Santa Monica Mountains Roadside of Las Virgenes Road, about 1 mile north of Tapia Park entrance. 180 Comment
  LA201838  Sisymbrium irio Arthur C. Gibson; 2003-5-24 4930 Los Angeles Simi Hills, West Hills Comment
  PASA2078  Sisymbrium irio Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA651358  Sisymbrium irio Jim Kishi 1948-2-11 s.n. Los Angeles Located W. of Dalton Canyon at foot of mountain. Comment
  UCR207700  Sisymbrium orientale Justin M. Wood 2009-4-2 459 Los Angeles city of Claremont; Bernard Field Station, northwest corner of Mills Ave. and Foothill Blvd. 421 Comment
  UCR258555  Sisymbrium orientale R. G. Swinney 2010-5-29 13021 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  RSA431759  Sisymbrium orientale Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  RSA366940  Sisyrinchium bellum Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  RSA381587  Solanum americanum Steven A. Junak 1981-7-31 SCL- 45 Los Angeles San Clemente Island. Sand dunes at northwest end of Island, Northeast of Benchmark 199. 30 Comment
  CHSC34430  Solanum douglasii Ken Cole 1972-5-28 ML- 12 Los Angeles North of Malibu and Hwy. 1 in Malibu Cyn. in Santa Monica Mtns. 152 Comment
  POM83699  Solanum douglasii Marcus E. Jones 1882-3-18 s.n. Los Angeles Pasadena. Comment
  SD114439  Solanum douglasii Darley F. Howe 1915-4-1 50 Los Angeles Claremont Comment
  UC284785  Solanum douglasii P. A. Munz 1923-4-8 6605 Los Angeles San Clemente Island Comment
  RSA0040208  Solanum douglasii Orlando Mistretta 1989-5-15 s.n. Los Angeles San Clemente Island, Bryce Canyon. Comment
  RSA422410  Solanum douglasii E. S. Spalding 1931-7-31 s.n. Los Angeles Between Manhattan and Hermosa Beaches. Comment
  SBBG19137  Solanum douglasii M. A. Piehl 1963-12-8 631092 Los Angeles Cove Cyn 0.25 mi from mouth 9 Comment
  UCR129399  Solanum physalifolium var. nitidibaccatum A. C. Sanders, Mark Elvin 2002-6-20 25217 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
  CAS-BOT-BC156473  Solanum umbelliferum L. Abrams 1899-3-31 342 Los Angeles Sepulveda [Canon] Canyon, Santa Monica Mts. Comment
  RSA597395  Solanum umbelliferum Tim S. Ross, Steve D. Boyd 1990-6-18 3499 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  UC303691  Solanum umbelliferum I. Johnston 1917-5-6 118 Los Angeles Evey Canyon Comment
  CHSC34393  Solanum xanti Karen Murata; Esther Lee 1975-5-4 14 Los Angeles Ca. 10 mi. N. of Azuza, E. branch of San Gabriel River of San Gabriel Canyon in San Gabriel Mts. range. 640 Comment
  SBBG70661  Solanum xanti R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  POM155782  Solidago californica M. B. Dunkle 1928-10-7 2001 Los Angeles Middle Ranch Canyon 168 Comment
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Jun 5 2014
  RSA0091148  Solidago californica R. G. Swinney 2011-10-10 15761 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA547477  Solidago californica Timothy S. Ross, Orlando Mistretta 1992-7-24 6764 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  RSA749114  Solidago confinis R. G. Swinney 2005-8-9 8424 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  SEINET5506777 Image available Solidago spectabilis Randy L. Smith 1986-1 26 Los Angeles Upper Winter Creek Trail, between Chantry Flat and Hoegee's Camp, Angeles National Forest; Arroyo Seco Ranger Dist 762 Comment
  CAS-BOT-BC365030  Solidago velutina subsp. californica I. M. Johnston 1917-8-22 1710 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 2057 Comment
  CATA1912  Solidago velutina subsp. californica Tony Summers 2011-9-30 1 Los Angeles Santa Catalina Island: Bulrush Canyon 263 Comment
  CDA7648  Soliva sessilis G. C. Fleischman 1950-6-18 Los Angeles Pasadena Civic Center 0 Comment
  POM12307  Sonchus asper F. L. Robinson 1921-6-2 91 Los Angeles Between Claremont and Upland Comment
  RSA594990  Sonchus oleraceus Mark Hoefs, R. F. Thorne 1996-4-6 2633 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
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Nov 20 2009
  RSA592295  Sonchus oleraceus L. C. Wheeler 1967-5-13 9544 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 262 Comment
  UCR168228  Sorghum halepense G. D. Wallace 1979-5-2 1835 Los Angeles San Gabriel Valley, Arcadia, vacant lot at SW corner of N Baldwin Ave. and W Foothill Blvd. 194 Comment
  CDA12035  Spartium junceum A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; near summit of Mt. Wilson. Comment
  RSA0097907  Spergularia bocconi Valerie L. Soza, Steve Boyd 2000-4-26 790 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  UCD170124  Spergularia bocconi R. G. Swinney 2009-3-12 10102 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  SFV1236  Spergularia macrotheca R. L. Armacost 1959-8-10 1240 Los Angeles Near Malibu salt marsh. Comment
  RSA0029487  Spergularia macrotheca var. macrotheca Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2740 Los Angeles Santa Catalina Island. Bluff below U.S.C. building at Fisherman s Cove. 6 Comment
  CAS-BOT-BC390796  Spergularia marina Carl B. Wolf 1932-5-9 3441 Los Angeles Santa Catalina Island. Pebbly Beach 7 Comment
  RSA0098139  Spergularia rubra Orlando Mistretta, Christine Mistretta 2010-6-23 5349 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  CAS-BOT-BC235435  Sporobolus airoides Roxana S. Ferris 1918-6-12 907 Los Angeles In desert road between Oban and Lancaster Comment
  UC519977  Stachys albens Louis C. Wheeler 1932-8-28 1295 Los Angeles Puddingstone Dam San Jose Hills 274 Comment
  UCSB29309  Stachys albens Hook, J. 1972-5-27 Los Angeles Bouquet Canyon Rd; 14.6 m. east of junction with Sand Canyon Rd; Angeles National Forest 518 Comment
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May 11 2016
  LA201932  Stachys bullata Arthur C. Gibson; 2001-5-19 4920 Los Angeles 121 Comment
  RSA446634  Stachys bullata Anstruther Davidson 1889-05 s.n. Los Angeles Los Angeles. Comment
  RSA446650  Stachys bullata Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 350 Comment
  UCD115765  Stanleya pinnata var. pinnata R. A. Blanchard 1931-5-2 2189 Los Angeles Lancaster Comment
  CAS-BOT-BC393691  Stellaria media Reid Moran 1941-3-14 706 Los Angeles Middle Ranch, Santa Calina Island Comment
  SBBG19171  Stellaria media M. A. Piehl 19